/* roulang page: index */
:root {
    --primary: #0C6B58;
    --primary-dark: #063F36;
    --amber: #E0A458;
    --ink: #10201C;
    --bg: #F7F4EF;
    --card: #FFFFFF;
    --body: #1B2824;
    --muted: #667B74;
    --white: #F4F9F7;
    --line: rgba(16, 32, 28, 0.10);
    --glass-bg: rgba(12, 30, 26, 0.28);
    --glass-border: rgba(255, 255, 255, 0.18);
    --nav-solid: rgba(247, 244, 239, 0.92);
    --radius-lg: 20px;
    --radius-md: 14px;
    --shadow: 0 12px 32px rgba(20, 48, 42, 0.08);
    --shadow-hover: 0 20px 50px rgba(20, 48, 42, 0.14);
    --container: 1280px;
    --gutter: 32px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
    line-height: 1.8;
    color: var(--body);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}

button,
input,
textarea {
    font-family: inherit;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
h4,
p {
    margin: 0;
}

h1,
h2,
h3,
h4 {
    color: var(--ink);
    font-weight: 700;
    line-height: 1.3;
}

strong {
    font-weight: 700;
}

:focus-visible {
    outline: 2px solid var(--amber);
    outline-offset: 3px;
}

.container {
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 28px;
    border: none;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(12, 107, 88, 0.18);
}

.btn:active {
    transform: translateY(0);
    filter: brightness(0.92);
}

.btn-amber {
    background: var(--amber);
    color: var(--ink);
}

.btn-amber:hover {
    background: #d4933f;
    color: var(--ink);
}

.btn-light {
    background: #fff;
    color: var(--primary-dark);
}

.btn-light:hover {
    background: #eef3f0;
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: #fff;
}

.btn-line {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 24px;
    border: 1px solid rgba(12, 107, 88, 0.35);
    border-radius: 999px;
    font-weight: 700;
    color: var(--primary);
    background: transparent;
    transition: all 0.25s ease;
}

.btn-line:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn-nav {
    min-height: 40px;
    padding: 0 22px;
    font-size: 0.9rem;
    background: var(--amber);
    color: var(--ink);
}

.btn-nav:hover {
    background: #d4933f;
    color: var(--ink);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.14);
    transform: translateY(-1px);
}

.btn-xl {
    min-height: 56px;
    padding: 0 40px;
    font-size: 1.05rem;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 72px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--glass-border);
    color: #fff;
    transition: background 0.35s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.nav-scrolled {
    background: var(--nav-solid);
    border-bottom: 1px solid rgba(16, 32, 28, 0.08);
    box-shadow: 0 8px 30px rgba(16, 32, 28, 0.06);
    color: var(--ink);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-mark {
    display: inline-block;
    width: 4px;
    height: 34px;
    background: var(--amber);
    border-radius: 4px;
}

.brand-text {
    font-size: 1.12rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
    color: #fff;
    transition: color 0.3s ease;
}

.nav-scrolled .brand-text {
    color: var(--ink);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-left: 28px;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 4px;
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.94);
    transition: color 0.3s ease;
}

.nav-scrolled .nav-link {
    color: var(--body);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 4px;
    height: 2px;
    border-radius: 4px;
    background: var(--amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
}

.nav-scrolled .nav-link:hover,
.nav-scrolled .nav-link.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-left: 18px;
}

.nav-search {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.26);
    color: #fff;
    font-size: 0.92rem;
    transition: all 0.25s ease;
}

.nav-search:hover {
    background: rgba(255, 255, 255, 0.14);
    color: var(--amber);
}

.nav-scrolled .nav-search {
    border-color: rgba(16, 32, 28, 0.18);
    color: var(--ink);
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 50%;
    background: transparent;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.25s ease;
}

.nav-scrolled .nav-toggle {
    color: var(--ink);
    border-color: rgba(16, 32, 28, 0.18);
}

.mobile-menu {
    display: none;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 92vh;
    padding: 160px 0 110px;
    display: flex;
    align-items: center;
    color: #fff;
    background-image: linear-gradient(100deg, rgba(4, 24, 20, 0.94) 0%, rgba(6, 63, 54, 0.78) 52%, rgba(10, 45, 38, 0.62) 100%), url("/assets/images/backpic/back-1.png");
    background-size: cover;
    background-position: center 25%;
    overflow: hidden;
}

.hero-grid {
    width: 100%;
}

.hero-copy {
    position: relative;
    z-index: 2;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.94);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.eyebrow i {
    color: var(--amber);
    font-size: 0.8rem;
}

.hero-copy h1 {
    color: #fff;
    font-size: clamp(2.4rem, 6vw, 4.4rem);
    line-height: 1.12;
    max-width: 620px;
    text-wrap: balance;
}

.hero-sub {
    margin-top: 24px;
    max-width: 560px;
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.78);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 42px;
}

.hero-access-card {
    position: relative;
    z-index: 2;
    margin-left: auto;
    max-width: 460px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    background: rgba(6, 40, 34, 0.42);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    box-shadow: 0 30px 70px rgba(5, 28, 23, 0.35);
    color: #fff;
}

.access-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.78);
}

.status-left {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #7ad0b2;
    box-shadow: 0 0 0 4px rgba(122, 208, 178, 0.15);
    animation: statusPulse 2s infinite ease-in-out;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.55; }
}

.access-status i {
    color: var(--amber);
}

.access-title {
    margin-top: 24px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.qr-zone {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-mock {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 154px;
    height: 154px;
    border-radius: 18px;
    background: #f9f7f2;
    color: var(--primary-dark);
    font-size: 3.2rem;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.qr-zone p {
    margin-top: 14px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.74);
}

.access-note {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

.access-note i {
    color: var(--amber);
    margin-right: 6px;
}

.hero-access-card .btn {
    width: 100%;
    margin-top: 20px;
}

/* ---------- Section Common ---------- */
.realm-section {
    padding: 108px 0;
    position: relative;
}

.section-with-bg {
    background: var(--card);
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    margin-bottom: 14px;
}

.section-kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--amber);
}

.section-head h2 {
    font-size: clamp(1.8rem, 3.2vw, 2.7rem);
    line-height: 1.25;
}

.section-lead {
    max-width: 560px;
    margin-top: 16px;
    color: var(--muted);
    font-size: 1rem;
}

.split-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.split-head .section-head {
    max-width: 720px;
    margin-bottom: 0;
}

/* ---------- Value Section ---------- */
.value-section {
    background: var(--bg);
}

.value-section-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 1.5fr;
    gap: 72px;
    align-items: start;
}

.value-intro h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.value-intro p {
    margin-top: 20px;
    color: var(--muted);
    font-size: 0.99rem;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 30px;
    font-weight: 700;
    color: var(--primary);
    font-size: 0.95rem;
}

.link-arrow i {
    transition: transform 0.25s ease;
}

.link-arrow:hover i {
    transform: translateX(4px);
}

.value-list {
    border-top: 1px solid var(--line);
}

.value-row {
    display: grid;
    grid-template-columns: 76px 1fr;
    align-items: flex-start;
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
}

.value-idx {
    font-size: 1rem;
    font-weight: 700;
    color: var(--amber);
    letter-spacing: 0.08em;
    line-height: 1.4;
}

.value-row h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.value-row p {
    color: var(--muted);
    font-size: 0.95rem;
    max-width: 600px;
}

/* ---------- Feature Section ---------- */
.feature-section {
    background: linear-gradient(180deg, #fbfaf6 0%, var(--card) 100%);
}

.feature-grid {
    align-items: stretch;
}

.feature-main-card {
    display: flex;
    flex-direction: column;
    align-self: stretch;
    height: 100%;
    overflow: hidden;
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(16, 32, 28, 0.06);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-main-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.feature-main-card .feature-media {
    overflow: hidden;
    height: 280px;
}

.feature-main-card .feature-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}

.feature-main-card:hover .feature-media img {
    transform: scale(1.03);
}

.feature-main-body {
    padding: 34px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-main-body h3 {
    font-size: 1.55rem;
    line-height: 1.35;
}

.feature-main-body p {
    color: var(--muted);
    font-size: 0.98rem;
    margin-top: 4px;
    margin-bottom: 4px;
}

.feature-main-body .link-arrow {
    margin-top: auto;
}

.feature-stack {
    display: flex;
    flex-direction: column;
    gap: 24px;
    height: 100%;
}

.feature-compact-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 32px;
    background: var(--card);
    border: 1px solid rgba(16, 32, 28, 0.06);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(16, 32, 28, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-compact-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.feature-compact-card .feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(12, 107, 88, 0.1);
    color: var(--primary);
    font-size: 1.35rem;
    margin-bottom: auto;
}

.feature-compact-card:nth-child(2) .feature-icon {
    background: rgba(224, 164, 88, 0.16);
    color: #b5792d;
}

.feature-compact-card h3 {
    font-size: 1.3rem;
    margin-top: 20px;
}

.feature-compact-card p {
    color: var(--muted);
    font-size: 0.93rem;
    margin: 10px 0 20px;
}

.feature-compact-card .link-arrow {
    margin-top: auto;
    margin-bottom: 0;
}

/* ---------- Scene Section ---------- */
.scene-section {
    background: var(--bg);
}

.scene-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.scene-item {
    position: relative;
    min-height: 320px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 34px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scene-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.scene-bg {
    position: absolute;
    inset: 0;
    background-position: center;
    background-size: cover;
    transition: transform 0.5s ease;
}

.scene-item:hover .scene-bg {
    transform: scale(1.03);
}

.scene-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(12, 32, 27, 0.06) 0%, rgba(4, 24, 20, 0.88) 100%);
}

.scene-copy {
    position: relative;
    z-index: 2;
    color: #fff;
    width: 100%;
}

.scene-copy h3 {
    color: #fff;
    font-size: 1.4rem;
    line-height: 1.4;
}

.scene-copy p {
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.92rem;
    margin-top: 6px;
    max-width: 420px;
}

.scene-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.scene-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
}

/* ---------- News Section ---------- */
.news-section {
    background: #fdfcf8;
}

.news-menu-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--primary);
}

.news-menu-link i {
    transition: transform 0.25s ease;
}

.news-menu-link:hover i {
    transform: translateX(4px);
}

.news-layout {
    gap: 26px;
}

.news-feature-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--card);
    border: 1px solid rgba(16, 32, 28, 0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.news-feature-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.news-feature-link {
    display: block;
    height: 255px;
    overflow: hidden;
}

.news-feature-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}

.news-feature-card:hover .news-feature-link img {
    transform: scale(1.04);
}

.news-feature-body {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.news-feature-body h3 {
    font-size: 1.32rem;
    line-height: 1.45;
    margin: 16px 0 12px;
}

.news-feature-body h3 a {
    color: var(--ink);
}

.news-feature-body h3 a:hover {
    color: var(--primary);
}

.news-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8125rem;
    color: var(--muted);
}

.news-meta .badge {
    background: rgba(12, 107, 88, 0.1);
    color: var(--primary);
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 999px;
}

.news-summary {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 14px 0 8px;
}

.news-read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    margin-top: auto;
}

.news-read-more i {
    transition: transform 0.25s ease;
}

.news-feature-card:hover .news-read-more i {
    transform: translateX(4px);
}

.news-side-list {
    padding: 0 2px;
}

.news-side-item {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.news-side-item:first-child {
    padding-top: 4px;
}

.news-side-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.news-side-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.5;
}

.news-side-item h3 a {
    color: var(--ink);
    transition: color 0.2s ease;
}

.news-side-item h3 a:hover {
    color: var(--primary);
}

.news-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 1rem;
    text-align: center;
}

.news-empty i {
    font-size: 2.4rem;
    color: var(--primary);
    opacity: 0.5;
    margin-bottom: 14px;
}

/* ---------- Trust Section ---------- */
.trust-section {
    background: var(--bg);
}

.trust-wrap {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 80px;
    align-items: center;
}

.trust-photos {
    display: grid;
    grid-template-columns: 62% 34%;
    grid-template-rows: 1fr 1fr;
    gap: 18px;
    align-items: stretch;
}

.trust-photo {
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.trust-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.trust-photo-main {
    grid-row: span 2;
}

.trust-photo-second img {
    object-position: center 20%;
}

.trust-copy h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.trust-copy > p {
    margin-top: 20px;
    color: var(--muted);
    font-size: 0.98rem;
}

.trust-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px 20px;
    margin-top: 36px;
}

.trust-point {
    background: var(--card);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 6px 18px rgba(16, 32, 28, 0.05);
    border: 1px solid rgba(16, 32, 28, 0.05);
    transition: transform 0.25s ease;
}

.trust-point:hover {
    transform: translateY(-2px);
}

.trust-point i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(12, 107, 88, 0.1);
    color: var(--primary);
    font-size: 1rem;
}

.trust-point strong {
    display: block;
    margin-top: 12px;
    font-size: 0.98rem;
    color: var(--ink);
}

.trust-point span {
    font-size: 0.86rem;
    color: var(--muted);
    line-height: 1.55;
    display: block;
    margin-top: 4px;
}

.trust-action {
    margin-top: 34px;
}

/* ---------- Plan Section ---------- */
.plan-section {
    background: #fff;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    align-items: stretch;
}

.plan-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 38px 34px;
    border-radius: var(--radius-lg);
    background: var(--card);
    border: 1px solid rgba(16, 32, 28, 0.06);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.plan-flag {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(12, 107, 88, 0.1);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
}

.plan-card h3 {
    font-size: 1.45rem;
    margin-top: 20px;
}

.plan-card .plan-desc {
    color: var(--muted);
    font-size: 0.92rem;
    margin: 8px 0 22px;
    min-height: 50px;
}

.plan-list {
    margin-bottom: 30px;
}

.plan-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 0;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--body);
}

.plan-list li i {
    color: var(--primary);
    font-size: 0.8rem;
    margin-top: 7px;
}

.plan-card .btn {
    margin-top: auto;
}

.plan-card--dark {
    background: var(--primary-dark);
    border: 1px solid var(--amber);
    color: rgba(255, 255, 255, 0.88);
    box-shadow: 0 28px 56px rgba(6, 63, 54, 0.24);
}

.plan-card--dark .plan-flag {
    background: var(--amber);
    color: var(--ink);
}

.plan-card--dark h3,
.plan-card--dark .plan-list li {
    color: #fff;
}

.plan-card--dark .plan-desc {
    color: rgba(255, 255, 255, 0.72);
}

.plan-card--dark .plan-list li i {
    color: var(--amber);
}

/* ---------- FAQ ---------- */
.faq-section {
    background: var(--bg);
}

.faq-layout {
    max-width: 900px;
    margin: 0 auto;
}

.realm-accordion {
    border-top: 1px solid var(--line);
    margin-top: 20px;
    background: transparent;
}

.realm-accordion .accordion-item {
    border-bottom: 1px solid var(--line);
    background: transparent;
    list-style: none;
    position: relative;
}

.realm-accordion .accordion-item .accordion-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: transparent;
    color: var(--ink);
    font-size: 1.1rem;
    font-weight: 700;
    padding: 24px 10px;
    line-height: 1.5;
    border: 0;
}

.realm-accordion .accordion-item .accordion-title:hover,
.realm-accordion .accordion-item .accordion-title:focus {
    color: var(--primary);
    background: rgba(12, 107, 88, 0.03);
}

.faq-plus {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(12, 107, 88, 0.1);
    color: var(--primary);
    font-size: 0.9rem;
    transition: transform 0.3s ease, background 0.3s ease;
}

.accordion-item.is-active .faq-plus {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.realm-accordion .accordion-content {
    color: var(--muted);
    font-size: 0.96rem;
    padding: 0 58px 28px 10px;
    line-height: 1.9;
}

.realm-accordion .accordion-content p {
    margin-bottom: 8px;
}

/* ---------- CTA ---------- */
.cta-section {
    background-image: linear-gradient(120deg, rgba(6, 63, 54, 0.96) 0%, rgba(16, 32, 28, 0.94) 100%), url("/assets/images/backpic/back-3.png");
    background-size: cover;
    background-position: center;
    padding: 110px 0;
    color: #fff;
}

.cta-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    flex-wrap: wrap;
}

.cta-copy {
    flex: 1 1 560px;
    max-width: 760px;
}

.cta-copy .section-kicker {
    color: var(--amber);
}

.cta-copy h2 {
    color: #fff;
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    line-height: 1.25;
    max-width: 620px;
}

.cta-copy p {
    max-width: 520px;
    color: rgba(255, 255, 255, 0.82);
    margin-top: 18px;
    font-size: 1.02rem;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.cta-aside {
    flex: 0 1 320px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cta-tip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.9rem;
}

.cta-tip i {
    color: var(--amber);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* ---------- Footer ---------- */
.site-footer {
    background: #0E1C18;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}

.footer-top {
    padding: 84px 0 50px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 48px;
}

.footer-brand .brand-text {
    color: #fff;
}

.footer-desc {
    margin-top: 20px;
    font-size: 0.9rem;
    line-height: 1.9;
    max-width: 360px;
    color: rgba(255, 255, 255, 0.58);
}

.footer-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-list li {
    margin-bottom: 12px;
}

.footer-list a {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.9rem;
}

.footer-list a:hover {
    color: var(--amber);
}

.footer-contact {
    font-size: 0.88rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.55);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.82rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
    color: var(--amber);
}

/* ---------- Responsive ---------- */
@media screen and (max-width: 1023px) {
    .main-nav,
    .nav-actions .btn-nav,
    .nav-actions .nav-search {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .site-header.menu-open {
        background: rgba(6, 42, 35, 0.97);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .site-header.menu-open .brand-text,
    .site-header.menu-open .nav-toggle {
        color: #fff;
    }

    .site-header.menu-open .nav-toggle {
        border-color: rgba(255, 255, 255, 0.2);
    }

    .mobile-menu {
        display: block;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        min-height: calc(100vh - 72px);
        background: rgba(6, 42, 35, 0.97);
        -webkit-backdrop-filter: blur(18px);
        backdrop-filter: blur(18px);
        padding: 30px 28px 40px;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: all 0.3s ease;
        z-index: 99;
        overflow-y: auto;
    }

    .site-header.menu-open .mobile-menu {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .mobile-menu nav {
        display: flex;
        flex-direction: column;
    }

    .mobile-menu nav a {
        display: flex;
        align-items: center;
        min-height: 52px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        color: #fff;
        font-size: 1.05rem;
        font-weight: 600;
    }

    .mobile-menu nav a.active {
        color: var(--amber);
    }

    .mobile-menu-end {
        margin-top: 40px;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .mobile-menu-end a {
        width: 100%;
    }

    .mobile-menu-end .btn-line {
        border-color: rgba(255, 255, 255, 0.4);
        color: #fff;
    }

    .mobile-menu-end .btn-line:hover {
        background: rgba(255, 255, 255, 0.12);
    }

    .value-section-inner,
    .trust-wrap,
    .footer-top {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .plan-card--dark {
        order: -1;
    }

    .scene-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 767px) {
    :root {
        --gutter: 20px;
    }

    .site-header,
    .header-inner {
        height: 60px;
    }

    .mobile-menu {
        top: 60px;
        min-height: calc(100vh - 60px);
    }

    .brand-mark {
        height: 28px;
    }

    .brand-text {
        font-size: 1rem;
    }

    .hero {
        min-height: auto;
        padding: 132px 0 72px;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .hero-access-card {
        margin-left: 0;
        margin-top: 44px;
    }

    .realm-section {
        padding: 76px 0;
    }

    .cta-section {
        padding: 80px 0;
    }

    .plan-grid {
        grid-template-columns: 1fr;
    }

    .plan-card--dark {
        order: 0;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .trust-points {
        grid-template-columns: 1fr;
    }

    .trust-photos {
        grid-template-columns: 1fr;
    }

    .trust-photo-main {
        grid-row: auto;
    }

    .trust-photo-main {
        min-height: 260px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-wrap {
        flex-direction: column;
    }
}

@media screen and (max-width: 520px) {
    .section-head h2,
    .value-intro h2 {
        font-size: 1.8rem;
    }

    .hero-access-card {
        padding: 22px;
    }

    .realm-accordion .accordion-item .accordion-title {
        font-size: 1rem;
        padding: 20px 4px;
    }

    .realm-accordion .accordion-content {
        padding: 0 22px 22px 4px;
    }

    .btn-xl {
        padding: 0 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* roulang page: article */
:root{
    --brand:#0C6B58;
    --brand-deep:#063F36;
    --accent:#E0A458;
    --ink:#10201C;
    --paper:#F7F4EF;
    --card:#FFFFFF;
    --line:rgba(16,32,28,0.10);
    --text:#1B2824;
    --text-weak:#667B74;
    --text-white:#F4F9F7;
    --radius-lg:20px;
    --radius-md:14px;
    --shadow-card:0 12px 32px rgba(20,48,42,0.08);
    --shadow-hover:0 20px 50px rgba(20,48,42,0.14);
    --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
}

html{
    scroll-behavior:smooth;
}

*{
    box-sizing:border-box;
}

body{
    margin:0;
    font-family:var(--font);
    font-size:16px;
    line-height:1.8;
    color:var(--text);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
}

body,div,section,article,p,h1,h2,h3,h4,h5,h6,ul,ol,li,blockquote,table,figure{
    margin:0;
    padding:0;
}

a{
    color:var(--brand);
    text-decoration:none;
    transition:color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease, opacity .25s ease;
}

img{
    max-width:100%;
    display:block;
    height:auto;
}

button,input,select,textarea{
    font-family:var(--font);
    font-size:1rem;
}

h1,h2,h3,h4,h5,h6{
    color:var(--ink);
    line-height:1.3;
    font-weight:700;
}

p{
    line-height:1.8;
}

.container{
    max-width:1280px;
    margin:0 auto;
    padding:0 32px;
}

a:focus-visible,button:focus-visible,input:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
}

::selection{
    background:rgba(224,164,88,.25);
    color:var(--ink);
}

/* ========== 通用按钮 ========== */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    min-height:44px;
    padding:12px 24px;
    border-radius:999px;
    border:1px solid transparent;
    font-weight:600;
    font-size:.95rem;
    line-height:1;
    cursor:pointer;
    text-align:center;
    transition:all .25s ease;
    background:var(--brand);
    color:#fff;
}

.btn i{
    font-size:.9rem;
}

.btn:hover{
    background:var(--brand-deep);
    color:#fff;
    transform:translateY(-1px);
    box-shadow:0 12px 24px rgba(6,63,54,.18);
}

.btn:active{
    transform:translateY(0);
    filter:brightness(.94);
}

.btn-amber{
    background:var(--accent);
    color:var(--ink);
}

.btn-amber:hover{
    background:#c9863d;
    color:#fff;
}

.btn-outline{
    background:transparent;
    border:1px solid rgba(255,255,255,.5);
    color:#fff;
}

.btn-outline:hover{
    background:rgba(255,255,255,.12);
    border-color:#fff;
    color:#fff;
}

.btn-ghost{
    background:transparent;
    border:1px solid var(--line);
    color:var(--brand);
}

.btn-ghost:hover{
    border-color:var(--brand);
    background:rgba(12,107,88,.06);
    color:var(--brand-deep);
}

/* ========== 导航 ========== */
.site-header{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    z-index:999;
    height:72px;
    background:rgba(12,30,26,.28);
    border-bottom:1px solid rgba(255,255,255,.18);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    box-shadow:0 4px 20px rgba(6,30,26,.06);
    transition:background .35s ease,border-color .35s ease,box-shadow .35s ease;
}

.site-header.scrolled{
    background:rgba(247,244,239,.96);
    border-bottom-color:var(--line);
    box-shadow:0 6px 24px rgba(16,32,28,.07);
}

.site-header.menu-open{
    background:rgba(6,63,54,.98);
    border-bottom-color:transparent;
}

.header-inner{
    height:72px;
    display:flex;
    align-items:center;
    gap:18px;
}

.brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
}

.brand-mark{
    display:inline-block;
    width:8px;
    height:30px;
    background:var(--accent);
    border-radius:4px;
    flex-shrink:0;
}

.brand-text{
    font-weight:800;
    font-size:1.02rem;
    letter-spacing:.02em;
    white-space:nowrap;
    color:#fff;
    transition:color .3s ease;
}

.site-header.scrolled .brand-text{
    color:var(--ink);
}

.main-nav{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
}

.nav-link{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:36px;
    padding:6px 12px;
    border-radius:999px;
    color:rgba(255,255,255,.86);
    font-size:.94rem;
    font-weight:500;
    position:relative;
}

.nav-link:hover{
    color:#fff;
    background:rgba(255,255,255,.08);
}

.nav-link.active{
    color:#fff;
}

.nav-link.active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:2px;
    transform:translateX(-50%);
    width:20px;
    height:3px;
    border-radius:4px;
    background:var(--accent);
}

.site-header.scrolled .nav-link{
    color:var(--primary-text,var(--text));
}

.site-header.scrolled .nav-link:hover{
    color:var(--brand-deep);
    background:rgba(12,107,88,.06);
}

.site-header.scrolled .nav-link.active{
    color:var(--brand-deep);
}

.site-header.scrolled .nav-link.active::after{
    background:var(--accent);
}

.nav-actions{
    display:flex;
    align-items:center;
    gap:10px;
    margin-left:auto;
}

.main-nav + .nav-actions{
    margin-left:14px;
}

.nav-search{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    border-radius:50%;
    color:#fff;
    font-size:1rem;
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    transition:all .25s ease;
}

.nav-search:hover{
    color:var(--accent);
    border-color:var(--accent);
    transform:translateY(-1px);
}

.site-header.scrolled .nav-search{
    color:var(--ink);
    background:rgba(12,107,88,.06);
    border-color:var(--line);
}

.nav-toggle{
    display:none;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.08);
    color:#fff;
    font-size:1.05rem;
    cursor:pointer;
}

.btn-nav{
    min-height:40px;
    padding:9px 22px;
    font-size:.9rem;
}

/* 移动端菜单 */
.mobile-menu{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100vh;
    height:100dvh;
    z-index:900;
    background:var(--brand-deep);
    padding:110px 28px 40px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-18px);
    display:flex;
    flex-direction:column;
    transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}

.mobile-menu.open{
    opacity:1;
    visibility:visible;
    transform:none;
}

.mobile-menu nav{
    display:flex;
    flex-direction:column;
}

.mobile-menu nav a{
    color:rgba(255,255,255,.9);
    font-size:1.12rem;
    font-weight:600;
    line-height:48px;
    padding:0 8px;
    border-bottom:1px solid rgba(255,255,255,.12);
    display:flex;
    align-items:center;
}

.mobile-menu nav a:hover,
.mobile-menu nav a.active{
    color:var(--accent);
    border-bottom-color:rgba(224,164,88,.4);
}

.mobile-menu-end{
    margin-top:auto;
    display:flex;
    flex-direction:column;
    gap:12px;
    padding-top:24px;
}

@media screen and (min-width:1025px){
    .mobile-menu{
        display:none !important;
    }
}

/* ========== 页面 Hero / 文章头部 ========== */
.page-hero{
    position:relative;
    min-height:360px;
    padding:150px 0 92px;
    display:flex;
    align-items:flex-end;
    background:
        linear-gradient(105deg,rgba(6,63,54,.92) 0%,rgba(6,63,54,.72) 68%,rgba(12,107,88,.46) 100%),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    overflow:hidden;
    color:var(--text-white);
}

.page-hero::after{
    content:"";
    position:absolute;
    right:0;
    bottom:0;
    width:54%;
    height:100%;
    background:linear-gradient(100deg,rgba(6,63,54,0) 0%,rgba(6,63,54,.22) 100%);
    pointer-events:none;
}

.page-hero .container{
    position:relative;
    z-index:2;
}

.breadcrumb-line{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:.84rem;
    color:rgba(255,255,255,.6);
    margin-bottom:20px;
}

.breadcrumb-line a{
    color:rgba(255,255,255,.66);
}

.breadcrumb-line a:hover{
    color:var(--accent);
}

.breadcrumb-line i{
    font-size:.55rem;
    color:rgba(255,255,255,.35);
}

.hero-article-cat{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.22);
    color:#fff;
    border-radius:999px;
    padding:6px 16px;
    font-size:.82rem;
    font-weight:600;
    letter-spacing:.02em;
    margin-bottom:14px;
}

.hero-article-cat i{
    color:var(--accent);
}

.hero-title{
    color:#fff;
    font-size:clamp(1.9rem,5vw,3.5rem);
    font-weight:800;
    line-height:1.18;
    max-width:920px;
    text-wrap:balance;
}

.hero-meta-row{
    display:flex;
    flex-wrap:wrap;
    gap:14px 24px;
    margin-top:20px;
    color:rgba(255,255,255,.66);
    font-size:.9rem;
}

.hero-meta-row i{
    color:var(--accent);
    margin-right:6px;
}

/* ========== 文章主区 ========== */
.article-section{
    padding:0 0 48px;
    background:var(--paper);
}

.article-layer{
    margin-top:-52px;
    position:relative;
    z-index:5;
}

.article-main-card{
    background:var(--card);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-card);
    padding:46px 52px 56px;
}

.post-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px 24px;
    padding-bottom:26px;
    border-bottom:1px solid var(--line);
    margin-bottom:34px;
    font-size:.88rem;
    color:var(--text-weak);
}

.post-meta span{
    display:inline-flex;
    align-items:center;
    gap:7px;
}

.post-meta .divider-dot{
    width:4px;
    height:4px;
    border-radius:50%;
    background:rgba(16,32,28,.2);
    display:inline-block;
    padding:0;
}

.article-cat-tag{
    display:inline-flex;
    background:rgba(12,107,88,.1);
    color:var(--brand);
    padding:3px 13px;
    border-radius:999px;
    font-size:.8rem;
    font-weight:600;
}

/* 文章正文排版 */
.article-body{
    font-size:1.0625rem;
    line-height:1.9;
    color:#24312D;
    word-wrap:break-word;
}

.article-body p{
    margin-bottom:24px;
}

.article-body p:last-child{
    margin-bottom:0;
}

.article-body h2{
    font-size:1.55rem;
    color:var(--ink);
    margin:38px 0 18px;
    padding-bottom:12px;
    border-bottom:2px solid var(--brand);
    border-image:linear-gradient(90deg,var(--brand) 0%,var(--accent) 100%) 0 0 2 0;
    border-image-width:0 0 2px 0;
}

.article-body h3{
    font-size:1.28rem;
    color:var(--ink);
    margin:30px 0 14px;
}

.article-body h4{
    font-size:1.12rem;
    color:var(--brand-deep);
    margin:26px 0 12px;
}

.article-body ul,
.article-body ol{
    margin:0 0 24px 22px;
    padding-left:8px;
}

.article-body li{
    margin-bottom:9px;
    padding-left:4px;
    line-height:1.85;
}

.article-body a{
    color:var(--brand);
    font-weight:600;
    text-decoration:underline;
    text-underline-offset:4px;
    text-decoration-color:rgba(12,107,88,.28);
}

.article-body a:hover{
    color:var(--accent);
    text-decoration-color:var(--accent);
}

.article-body blockquote{
    background:rgba(12,107,88,.06);
    border-left:4px solid var(--brand);
    border-radius:0 16px 16px 0;
    padding:20px 26px;
    margin:28px 0;
    color:var(--text-weak);
    font-size:1.02rem;
}

.article-body img{
    border-radius:18px;
    box-shadow:0 10px 30px rgba(20,48,42,.12);
    margin:28px auto;
}

.article-body figure{
    margin:30px 0;
}

.article-body figcaption{
    text-align:center;
    font-size:.84rem;
    color:var(--text-weak);
    margin-top:10px;
    line-height:1.6;
}

.article-body table{
    width:100%;
    border-collapse:collapse;
    margin:30px 0;
    font-size:.95rem;
    background:#fff;
    border-radius:12px;
    overflow:hidden;
}

.article-body th{
    background:var(--brand-deep);
    color:#fff;
    padding:13px 16px;
    text-align:left;
    font-weight:600;
}

.article-body td{
    padding:12px 16px;
    border-bottom:1px solid var(--line);
}

.article-body tr:last-child td{
    border-bottom:0;
}

.article-body code{
    background:rgba(224,164,88,.18);
    color:var(--brand-deep);
    padding:2px 7px;
    border-radius:6px;
    font-size:.92em;
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

.document-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    align-items:center;
    margin-top:46px;
    padding-top:28px;
    border-top:1px solid var(--line);
}

.icon-action{
    display:inline-flex;
    align-items:center;
    gap:8px;
    min-height:44px;
    padding:0 18px;
    border-radius:999px;
    border:1px solid var(--line);
    background:transparent;
    color:var(--text-weak);
    cursor:pointer;
    font-size:.88rem;
    font-weight:600;
    transition:all .25s ease;
}

.icon-action:hover{
    border-color:var(--brand);
    color:var(--brand);
    background:rgba(12,107,88,.05);
}

/* ========== 相关导航 / 继续了解 ========== */
.related-section{
    padding:48px 0;
}

.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
    margin-bottom:30px;
}

.section-kicker{
    font-size:.84rem;
    font-weight:700;
    color:var(--brand);
    letter-spacing:.08em;
    text-transform:uppercase;
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-bottom:8px;
}

.section-kicker::before{
    content:"";
    width:26px;
    height:2px;
    background:var(--accent);
    border-radius:2px;
}

.section-title{
    font-size:clamp(1.6rem,3vw,2.2rem);
    font-weight:800;
    color:var(--ink);
    line-height:1.3;
}

.section-more a{
    color:var(--brand);
    font-weight:600;
    display:inline-flex;
    align-items:center;
    gap:8px;
}

.section-more a:hover{
    color:var(--accent);
}

.related-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}

.related-card{
    background:#fff;
    border-radius:var(--radius-lg);
    border:1px solid transparent;
    overflow:hidden;
    box-shadow:var(--shadow-card);
    display:flex;
    flex-direction:column;
    color:var(--text);
    transition:all .3s ease;
    height:100%;
}

.related-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(224,164,88,.2);
}

.related-media{
    height:180px;
    overflow:hidden;
    position:relative;
    background:var(--brand-deep);
}

.related-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .5s ease;
}

.related-card:hover .related-media img{
    transform:scale(1.04);
}

.related-body{
    padding:22px 22px 24px;
    display:flex;
    flex-direction:column;
    flex:1;
}

.related-body h3{
    font-size:1.06rem;
    line-height:1.5;
    color:var(--ink);
    font-weight:700;
    margin-bottom:8px;
}

.related-body h3 a{
    color:inherit;
}

.related-body p{
    font-size:.9rem;
    color:var(--text-weak);
    line-height:1.7;
    flex:1;
}

.related-meta{
    display:flex;
    align-items:center;
    gap:12px;
    margin-top:18px;
    font-size:.78rem;
    color:var(--text-weak);
}

.related-meta i{
    color:var(--accent);
    margin-right:4px;
}

/* ========== 空状态 ========== */
.empty-state{
    background:#fff;
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-card);
    padding:60px 36px;
    text-align:center;
}

.empty-state-icon{
    width:68px;
    height:68px;
    border-radius:50%;
    background:rgba(12,107,88,.1);
    color:var(--brand);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:1.8rem;
    margin-bottom:18px;
}

.empty-state h2{
    font-size:1.55rem;
    margin-bottom:8px;
}

.empty-state p{
    color:var(--text-weak);
    max-width:420px;
    margin:0 auto 28px;
}

/* ========== FAQ 模块 ========== */
.faq-section{
    background:var(--paper);
    padding:40px 0 56px;
}

.faq-panel{
    max-width:920px;
    margin:0 auto;
    background:#fff;
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-card);
    padding:38px 44px;
}

.faq-panel .faq-title{
    font-size:clamp(1.4rem,2.4vw,1.9rem);
    margin-bottom:22px;
    display:flex;
    align-items:center;
    gap:12px;
}

.faq-panel .faq-title i{
    color:var(--accent);
}

.faq-list{
    list-style:none;
    margin:0;
    padding:0;
}

.faq-list .accordion-item{
    background:transparent;
    border:0;
    border-bottom:1px solid var(--line);
    margin-bottom:0;
    border-radius:0 !important;
    box-shadow:none !important;
}

.faq-list .accordion-title{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    background:transparent !important;
    color:var(--ink) !important;
    font-size:1.03rem;
    font-weight:600;
    line-height:1.5;
    padding:20px 6px;
    border:0 !important;
    cursor:pointer;
    transition:color .25s ease,background .25s ease;
}

.faq-list .accordion-title:hover,
.faq-list .accordion-item.is-active .accordion-title{
    color:var(--brand) !important;
    background:rgba(12,107,88,.02) !important;
}

.faq-list .accordion-title::before{
    content:"";
    display:none;
}

.faq-list .accordion-title::after{
    content:"\f067" !important;
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    color:var(--brand);
    font-size:.9rem;
    margin-left:auto;
    order:2;
    width:28px;
    height:28px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:rgba(12,107,88,.08);
    transition:all .3s ease;
    transform:none !important;
}

.faq-list .accordion-item.is-active .accordion-title::after{
    content:"\f068" !important;
    transform:rotate(180deg);
}

.faq-list .accordion-content{
    background:transparent !important;
    color:var(--text-weak) !important;
    border:0 !important;
    padding:0 6px 24px 6px !important;
    line-height:1.85;
}

/* ========== CTA ========== */
.cta-section{
    padding:72px 0;
    background:
        linear-gradient(115deg,rgba(6,63,54,.94) 0%,rgba(6,63,54,.84) 60%,rgba(12,107,88,.72) 100%),
        url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    color:#fff;
}

.cta-section h2{
    color:#fff;
    font-size:clamp(1.7rem,3vw,2.4rem);
    line-height:1.3;
    margin-bottom:16px;
}

.cta-section p{
    color:rgba(255,255,255,.74);
    font-size:1rem;
    max-width:560px;
    margin-bottom:32px;
}

.cta-buttons{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
}

.cta-note{
    display:flex;
    align-items:center;
    gap:12px;
    color:rgba(255,255,255,.56);
    font-size:.88rem;
    margin-top:22px;
}

.cta-note i{
    color:var(--accent);
    font-size:1.05rem;
}

/* ========== 页脚 ========== */
.site-footer{
    background:var(--brand-deep);
    color:rgba(255,255,255,.74);
    padding:68px 0 0;
}

.footer-top{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1.3fr;
    gap:42px;
    padding-bottom:52px;
}

.footer-brand .brand-text{
    color:#fff;
    font-size:1.05rem;
    margin-top:2px;
}

.footer-brand .brand-mark{
    height:26px;
}

.footer-desc{
    color:rgba(255,255,255,.55);
    font-size:.92rem;
    line-height:1.85;
    margin:18px 0 0;
    max-width:330px;
}

.footer-title{
    color:#fff;
    font-size:1rem;
    font-weight:700;
    margin-bottom:18px;
    letter-spacing:.03em;
    position:relative;
    padding-bottom:12px;
}

.footer-title::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:24px;
    height:2px;
    background:var(--accent);
    border-radius:2px;
}

.footer-list{
    list-style:none;
}

.footer-list li{
    margin-bottom:10px;
}

.footer-list a{
    color:rgba(255,255,255,.6);
    font-size:.92rem;
    line-height:1.7;
    padding:3px 0;
    display:inline-block;
}

.footer-list a:hover{
    color:var(--accent);
    transform:translateX(3px);
}

.footer-contact p{
    font-size:.9rem;
    color:rgba(255,255,255,.5);
    line-height:1.85;
}

.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding:22px 0;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    flex-wrap:wrap;
    color:rgba(255,255,255,.4);
    font-size:.82rem;
}

.footer-bottom span{
    line-height:1.6;
}

@media screen and (max-width:1024px){
    .main-nav{
        display:none;
    }

    .nav-actions .nav-search,
    .nav-actions .btn-nav{
        display:none;
    }

    .nav-toggle{
        display:inline-flex;
    }

    .nav-actions{
        margin-left:auto;
    }

    .footer-top{
        grid-template-columns:1fr 1fr;
        gap:38px;
    }

    .related-grid{
        grid-template-columns:repeat(2,1fr);
    }
}

@media screen and (max-width:767px){
    .container{
        padding:0 20px;
    }

    .site-header,.header-inner{
        height:60px;
    }

    .header-inner{
        gap:10px;
    }

    .mobile-menu{
        padding-left:20px;
        padding-right:20px;
        padding-bottom:24px;
    }

    .brand-text{
        font-size:.95rem;
    }

    .brand-mark{
        width:6px;
        height:22px;
    }

    .page-hero{
        min-height:340px;
        padding:120px 0 70px;
    }

    .hero-title{
        font-size:1.85rem;
    }

    .article-main-card{
        padding:28px 20px 36px;
        border-radius:16px;
    }

    .post-meta{
        gap:10px 14px;
        font-size:.82rem;
    }

    .article-body{
        font-size:1rem;
        line-height:1.85;
    }

    .article-body h2{
        font-size:1.35rem;
    }

    .article-body h3{
        font-size:1.2rem;
    }

    .section-head{
        flex-direction:column;
        align-items:flex-start;
        gap:12px;
    }

    .faq-panel{
        padding:28px 20px;
    }

    .faq-list .accordion-title{
        font-size:.96rem;
        padding:18px 2px;
    }

    .cta-section{
        padding:54px 0;
    }

    .footer-top{
        grid-template-columns:1fr;
        gap:30px;
        padding-bottom:36px;
    }

    .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
    }
}

@media screen and (max-width:640px){
    .related-grid{
        grid-template-columns:1fr;
    }

    .article-layer{
        margin-top:-28px;
    }

    .section-more{
        display:flex;
        width:100%;
    }

    .section-more a{
        flex:1;
        justify-content:center;
        min-height:44px;
        border:1px solid var(--line);
        border-radius:999px;
    }

    .cta-buttons{
        flex-direction:column;
        width:100%;
    }

    .cta-buttons .btn{
        width:100%;
    }
}

@media (prefers-reduced-motion: reduce){
    *, *::before, *::after{
        animation-duration:.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:.01ms !important;
        scroll-behavior:auto !important;
    }
}

/* roulang page: category1 */
:root {
            --brand: #0C6B58;
            --brand-dark: #063F36;
            --brand-deeper: #10201C;
            --amber: #E0A458;
            --paper: #F7F4EF;
            --card: #FFFFFF;
            --ink: #1B2824;
            --muted: #667B74;
            --light: #F4F9F7;
            --line: rgba(16, 32, 28, 0.10);
            --nav-glass: rgba(12, 30, 26, 0.28);
            --nav-border: rgba(255, 255, 255, 0.18);
            --nav-solid: rgba(247, 244, 239, 0.92);
            --radius: 20px;
            --radius-sub: 14px;
            --shadow: 0 12px 32px rgba(20, 48, 42, 0.08);
            --shadow-hover: 0 20px 50px rgba(20, 48, 42, 0.14);
            --maxw: 1280px;
            --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--paper);
            color: var(--ink);
            font-family: var(--font);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

        button {
            font-family: inherit;
            border: 0;
            cursor: pointer;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            margin: 0 0 0.7em;
            line-height: 1.3;
            color: var(--brand-deeper);
            font-weight: 700;
        }

        h1 {
            font-size: clamp(2.2rem, 4.4vw, 3.4rem);
            line-height: 1.2;
        }

        h2 {
            font-size: clamp(1.7rem, 2.8vw, 2.4rem);
        }

        h3 {
            font-size: 1.2rem;
        }

        p {
            margin: 0 0 1.15rem;
        }

        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container,
        .row {
            max-width: var(--maxw);
            padding-right: 32px;
            padding-left: 32px;
            margin-left: auto;
            margin-right: auto;
        }

        .row .columns {
            padding-right: 16px;
            padding-left: 16px;
        }

        a:focus-visible,
        button:focus-visible,
        .accordion-title:focus-visible {
            outline: 3px solid var(--amber);
            outline-offset: 3px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 120;
            background: var(--nav-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--nav-border);
            box-shadow: 0 6px 18px rgba(6, 20, 16, 0.10);
            transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
        }

        .site-header.is-solid {
            background: var(--nav-solid);
            border-bottom-color: var(--line);
            box-shadow: 0 6px 18px rgba(16, 32, 28, 0.05);
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: nowrap;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 6px;
            height: 32px;
            border-radius: 999px;
            background: var(--amber);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 1.16rem;
            font-weight: 800;
            letter-spacing: 0.01em;
            color: #ffffff;
            white-space: nowrap;
            transition: color 0.35s ease;
        }

        .site-header.is-solid .brand-text {
            color: var(--brand-dark);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            margin-left: auto;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.92);
            transition: background 0.25s ease, color 0.25s ease;
        }

        .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
        }

        .site-header.is-solid .nav-link {
            color: #25362f;
        }

        .site-header.is-solid .nav-link:hover {
            color: #062820;
            background: rgba(12, 107, 88, 0.08);
        }

        .nav-link.active {
            color: #ffffff;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 3px;
            height: 3px;
            border-radius: 999px;
            background: var(--amber);
        }

        .site-header.is-solid .nav-link.active {
            color: var(--brand-dark);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 999px;
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.16);
            transition: all 0.25s ease;
        }

        .nav-search:hover {
            background: rgba(255, 255, 255, 0.24);
            color: #ffffff;
        }

        .site-header.is-solid .nav-search {
            color: var(--brand-dark);
            background: rgba(12, 107, 88, 0.06);
            border-color: rgba(12, 107, 88, 0.14);
        }

        .site-header.is-solid .nav-search:hover {
            background: rgba(12, 107, 88, 0.12);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 22px;
            border-radius: 999px;
            border: 1px solid transparent;
            font-weight: 700;
            font-size: 0.92rem;
            line-height: 1;
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .btn-brand {
            background: var(--brand);
            color: #ffffff;
        }

        .btn-brand:hover {
            background: var(--brand-dark);
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(12, 107, 88, 0.22);
            color: #ffffff;
        }

        .btn-amber {
            background: var(--amber);
            color: #1d2c26;
        }

        .btn-amber:hover {
            background: #d69542;
            color: #1d2c26;
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(224, 164, 88, 0.24);
        }

        .btn-line {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.45);
        }

        .btn-line:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-nav {
            background: var(--brand);
            color: #ffffff;
            min-height: 38px;
            padding: 0 18px;
            font-size: 0.9rem;
        }

        .btn-nav:hover {
            background: var(--amber);
            color: var(--brand-deeper);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 999px;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all 0.25s ease;
        }

        .site-header.is-solid .nav-toggle {
            color: var(--brand-deeper);
            background: rgba(12, 107, 88, 0.06);
        }

        .mobile-menu {
            position: fixed;
            left: 0;
            right: 0;
            top: 60px;
            padding: 18px 20px 24px;
            background: rgba(10, 28, 22, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.14);
            box-shadow: 0 24px 50px rgba(0, 0, 0, 0.22);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-12px);
            transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
            z-index: 119;
        }

        .site-header.menu-open .mobile-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mobile-menu nav {
            display: flex;
            flex-direction: column;
        }

        .mobile-menu nav a {
            display: flex;
            align-items: center;
            min-height: 50px;
            padding: 0 10px;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.92);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu nav a.active {
            color: var(--amber);
            font-weight: 600;
        }

        .mobile-menu-end {
            display: flex;
            gap: 10px;
            margin-top: 18px;
            flex-wrap: wrap;
        }

        .mobile-menu-end .btn {
            flex: 1;
            min-width: 130px;
        }

        .category-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            overflow: hidden;
            background-color: #071F1A;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .category-hero-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 36, 29, 0.30) 0%, rgba(7, 32, 26, 0.72) 68%, rgba(5, 24, 20, 0.92) 100%);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 110px;
            background: linear-gradient(180deg, rgba(247, 244, 239, 0) 0%, rgba(247, 244, 239, 0.55) 100%);
        }

        .category-hero-content {
            position: relative;
            z-index: 6;
            width: 100%;
            padding-top: 80px;
            padding-bottom: 58px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.88rem;
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.88);
        }

        .breadcrumb a:hover {
            color: var(--amber);
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.5);
        }

        .breadcrumb .current {
            color: var(--amber);
        }

        .category-hero h1 {
            color: #ffffff;
            margin-bottom: 12px;
        }

        .hero-desc {
            max-width: 620px;
            color: rgba(255, 255, 255, 0.92);
            font-size: 1.05rem;
            line-height: 1.9;
            margin: 0;
        }

        .hero-meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
            padding: 5px 12px;
            background: rgba(224, 164, 88, 0.16);
            border: 1px solid rgba(224, 164, 88, 0.32);
            border-radius: 999px;
            color: var(--amber);
            font-size: 0.82rem;
        }

        .section-block {
            padding: 96px 0;
        }

        .section-block.paper-bg {
            background: var(--paper);
        }

        .section-block.white-bg {
            background: #ffffff;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
            color: var(--brand);
            font-size: 0.92rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .section-kicker i {
            color: var(--amber);
        }

        .content-split-cover {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--card);
        }

        .content-split-cover img {
            width: 100%;
            height: 500px;
            object-fit: cover;
        }

        .content-split-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, rgba(16, 32, 29, 0) 20%, rgba(16, 32, 29, 0.18) 100%);
            pointer-events: none;
        }

        .cover-float-tag {
            position: absolute;
            left: 20px;
            bottom: 20px;
            z-index: 3;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 16px;
            background: rgba(247, 244, 239, 0.9);
            border-radius: 999px;
            color: var(--brand-dark);
            font-size: 0.85rem;
            font-weight: 700;
            backdrop-filter: blur(8px);
            box-shadow: 0 8px 20px rgba(16, 32, 28, 0.16);
        }

        .cover-float-tag i {
            color: var(--amber);
        }

        .split-content {
            padding-left: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .split-content p {
            color: #48625a;
        }

        .feature-rows {
            margin: 22px 0 24px;
            border-top: 1px solid var(--line);
        }

        .feature-row {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--line);
        }

        .feature-row .row-num {
            font-size: 0.92rem;
            font-weight: 800;
            color: var(--amber);
            line-height: 1.7;
            min-width: 24px;
        }

        .feature-row h3 {
            margin-bottom: 5px;
            font-size: 1.05rem;
        }

        .feature-row p {
            margin: 0;
            font-size: 0.92rem;
            color: var(--muted);
        }

        .visual-route-card {
            position: relative;
            border-radius: 30px;
            overflow: hidden;
            background-size: cover;
            background-position: center;
            background-color: #071F1A;
            box-shadow: var(--shadow);
        }

        .visual-route-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(118deg, rgba(5, 27, 21, 0.93) 0%, rgba(7, 36, 29, 0.80) 55%, rgba(11, 54, 44, 0.70) 100%);
        }

        .route-inner {
            position: relative;
            z-index: 2;
            padding: 64px 56px;
            color: #ffffff;
        }

        .route-inner .section-kicker {
            color: var(--amber);
        }

        .route-inner .section-kicker i {
            color: var(--amber);
        }

        .route-inner h2 {
            color: #ffffff;
        }

        .route-copy {
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            margin-bottom: 36px;
        }

        .route-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .route-step {
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 18px;
            padding: 24px;
            transition: background 0.3s ease, transform 0.3s ease;
        }

        .route-step:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-2px);
        }

        .step-index {
            display: inline-block;
            width: 36px;
            height: 36px;
            line-height: 36px;
            text-align: center;
            border-radius: 999px;
            background: var(--amber);
            color: #182620;
            font-weight: 800;
            font-size: 0.9rem;
            margin-bottom: 14px;
        }

        .route-step h3 {
            color: #ffffff;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .route-step p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            margin: 0;
        }

        .assist-below {
            display: flex;
            gap: 28px;
            align-items: stretch;
            margin-top: 28px;
        }

        .assist-card {
            background: #ffffff;
            border-radius: 22px;
            padding: 30px;
            flex: 1;
            border: 1px solid rgba(16, 32, 28, 0.05);
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .assist-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .assist-card .assist-icon {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            width: 48px;
            height: 48px;
            border-radius: 15px;
            background: rgba(12, 107, 88, 0.08);
            color: var(--brand);
            font-size: 1.15rem;
            margin-bottom: 18px;
        }

        .assist-card h3 {
            font-size: 1.16rem;
        }

        .assist-card p {
            color: var(--muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            margin-bottom: 36px;
        }

        .section-head h2 {
            max-width: 560px;
            margin-bottom: 0;
        }

        .section-head p {
            color: var(--muted);
            max-width: 380px;
            margin: 0;
        }

        .viewport-card-row {
            margin-top: 28px;
        }

        .viewport-card-row .columns {
            margin-bottom: 26px;
        }

        .viewport-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: #ffffff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(16, 32, 28, 0.04);
            box-shadow: var(--shadow);
            transition: box-shadow 0.35s ease, transform 0.35s ease;
        }

        .viewport-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .viewport-card-media {
            position: relative;
            overflow: hidden;
        }

        .viewport-card-media img {
            width: 100%;
            height: 158px;
            object-fit: cover;
            transition: transform 0.55s ease;
        }

        .viewport-card:hover .viewport-card-media img {
            transform: scale(1.04);
        }

        .viewport-card-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, rgba(16, 32, 28, 0) 26%, rgba(16, 32, 28, 0.65) 100%);
        }

        .viewport-card-icon {
            position: absolute;
            right: 14px;
            bottom: 14px;
            z-index: 2;
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(247, 244, 239, 0.9);
            color: var(--brand);
            border-radius: 999px;
            font-size: 1rem;
            backdrop-filter: blur(6px);
        }

        .viewport-card-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .viewport-card-body .tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            gap: 5px;
            padding: 4px 11px;
            border-radius: 999px;
            background: rgba(224, 164, 88, 0.14);
            color: #a0692c;
            font-size: 0.77rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .viewport-card-body h3 {
            font-size: 1.12rem;
            margin-bottom: 10px;
        }

        .viewport-card-body p {
            color: var(--muted);
            font-size: 0.92rem;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            margin-top: 14px;
            color: var(--brand);
            font-size: 0.92rem;
            font-weight: 600;
        }

        .card-link i {
            transition: transform 0.25s ease;
        }

        .card-link:hover i {
            transform: translateX(4px);
        }

        .faq-section {
            background: #ffffff;
        }

        .faq-title-wrap {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 44px;
        }

        .faq-title-wrap h2 {
            margin-bottom: 10px;
        }

        .faq-title-wrap p {
            color: var(--muted);
        }

        .faq-list-wrap {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-list {
            background: var(--paper);
            border-radius: 24px;
            padding: 12px 22px;
        }

        .accordion-item {
            background: transparent;
            border-radius: 0;
            border-bottom: 1px solid var(--line);
            margin: 0;
            list-style: none;
        }

        .accordion-item:last-child {
            border-bottom: 0;
        }

        .accordion-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            background: transparent;
            padding: 22px 8px;
            color: var(--brand-deeper);
            font-weight: 700;
            font-size: 1.02rem;
            border-radius: 0;
            transition: color 0.25s ease;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--brand);
            background: transparent;
        }

        .accordion-title .faq-question-mark {
            width: 26px;
            color: var(--amber);
        }

        .accordion-title::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.9rem;
            color: var(--brand);
            background: transparent;
            width: 0;
            height: 0;
            margin: 0;
            border: 0;
            border-radius: 0;
            transform: none;
            line-height: 1;
        }

        .accordion-title:hover::after {
            background: transparent;
            color: var(--amber);
        }

        .accordion-item.is-active > .accordion-title::after {
            content: "\f068";
            color: var(--amber);
            background: transparent;
        }

        .accordion-content {
            background: transparent;
            line-height: 1.95;
            color: #4F6E65;
            padding: 0 30px 26px 42px;
            font-size: 0.95rem;
        }

        .accordion-content p {
            margin-bottom: 0.5rem;
        }

        .cta-area {
            padding: 90px 0;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            border-radius: 32px;
            background-color: #061F19;
            padding: 60px;
            box-shadow: var(--shadow);
        }

        .cta-panel-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .cta-panel-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(4, 26, 20, 0.96) 22%, rgba(8, 48, 38, 0.68) 100%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .cta-content .section-kicker {
            color: var(--amber);
        }

        .cta-content .section-kicker i {
            color: var(--amber);
        }

        .cta-content h2 {
            color: #ffffff;
            max-width: 560px;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.82);
            max-width: 590px;
        }

        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }

        .cta-note {
            margin-top: 22px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
        }

        .site-footer {
            background: #0A211B;
            color: rgba(255, 255, 255, 0.72);
            padding: 70px 0 24px;
        }

        .site-footer .brand .brand-text {
            color: #fff;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 0.85fr 0.95fr 1.15fr;
            gap: 42px;
            margin-bottom: 44px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .footer-brand .brand {
            margin-bottom: 18px;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            margin: 0;
            line-height: 1.9;
        }

        .footer-title {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .footer-list li {
            margin-bottom: 8px;
        }

        .footer-list a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.9rem;
            transition: color 0.25s ease, padding 0.25s ease;
        }

        .footer-list a:hover {
            color: var(--amber);
            padding-left: 4px;
        }

        .footer-list a[data-slug] {
            display: inline-block;
        }

        .footer-contact p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.9;
            margin: 0;
        }

        .footer-bottom {
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom span:last-child {
            opacity: 0.85;
        }

        @media (max-width: 1200px) {
            .main-nav {
                gap: 0;
            }

            .nav-link {
                padding: 10px 10px;
                font-size: 0.87rem;
            }

            .brand-text {
                font-size: 1.05rem;
            }

            .header-inner {
                gap: 12px;
            }

            .content-split-cover img {
                height: 430px;
            }

            .split-content {
                padding-left: 26px;
            }
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-inner {
                height: 60px;
            }

            .mobile-menu {
                top: 60px;
            }

            .brand-text {
                font-size: 1rem;
            }

            .content-split-cover img {
                height: 380px;
            }

            .split-content {
                padding-left: 0;
                padding-top: 28px;
            }

            .assist-below {
                flex-direction: column;
            }

            .route-inner {
                padding: 44px 32px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 34px;
            }
        }

        @media (max-width: 860px) {
            .category-hero {
                min-height: 330px;
            }

            .category-hero-content {
                padding-top: 72px;
            }

            .section-block {
                padding: 72px 0;
            }

            .route-steps {
                grid-template-columns: 1fr;
            }

            .section-head {
                align-items: flex-start;
                flex-direction: column;
                gap: 10px;
            }

            .viewport-card-media img {
                height: 175px;
            }
        }

        @media (max-width: 640px) {
            .container,
            .row {
                padding-right: 20px;
                padding-left: 20px;
            }

            .section-block {
                padding: 58px 0;
            }

            .category-hero {
                min-height: 310px;
            }

            .category-hero-content {
                padding-bottom: 36px;
            }

            .category-hero h1 {
                font-size: 2.05rem;
            }

            .hero-desc {
                font-size: 0.95rem;
            }

            .cta-panel {
                padding: 38px 26px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 5px;
            }

            .mobile-menu-end .btn {
                min-width: 130px;
                flex: none;
                width: 100%;
            }

            .footer-top {
                grid-template-columns: 1fr;
            }

            .route-inner {
                padding: 34px 22px;
            }

            .faq-list {
                padding: 10px 14px;
            }

            .accordion-title .faq-question-mark {
                display: none;
            }

            .content-split-cover img {
                height: 260px;
            }

            .feature-row {
                gap: 12px;
            }
        }

        @media (max-width: 420px) {
            .brand-text {
                font-size: 0.88rem;
            }

            .brand-mark {
                height: 24px;
            }

            nav-actions .btn-nav {
                padding: 0 13px;
                font-size: 0.82rem;
            }

            .section-head h2 {
                font-size: 1.7rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.001s !important;
                transition-duration: 0.001s !important;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0C6B58;
            --primary-dark: #063F36;
            --accent: #E0A458;
            --ink: #10201C;
            --paper: #F7F4EF;
            --card: #FFFFFF;
            --divider: rgba(16, 32, 28, 0.10);
            --text-main: #1B2824;
            --text-sub: #667B74;
            --text-light: #F4F9F7;
            --glass-bg: rgba(12, 30, 26, 0.28);
            --glass-border: rgba(255, 255, 255, 0.18);
            --glass-solid: rgba(247, 244, 239, 0.92);
            --radius-main: 20px;
            --radius-sub: 14px;
            --shadow-card: 0 12px 32px rgba(20, 48, 42, 0.08);
            --shadow-hover: 0 20px 50px rgba(20, 48, 42, 0.14);
            --transition: 0.3s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font-family);
            background: var(--paper);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; display: block; }
        ul, ol { list-style: none; }

        .container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

        .df { display: flex; align-items: center; }
        .df-between { display: flex; align-items: center; justify-content: space-between; }
        .df-center { display: flex; align-items: center; justify-content: center; }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: var(--glass-bg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--glass-border);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: var(--glass-solid);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--divider);
            box-shadow: 0 6px 24px rgba(16, 32, 28, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1280px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
        }

        .brand:hover { color: var(--text-light); opacity: 0.9; }

        .site-header.scrolled .brand { color: var(--ink); }
        .site-header.scrolled .brand:hover { color: var(--primary); }

        .brand-mark {
            display: inline-block;
            width: 8px;
            height: 30px;
            background: var(--accent);
            border-radius: 3px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .main-nav { display: flex; align-items: center; gap: 6px; margin: 0 auto 0 32px; }

        .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.94rem;
            padding: 8px 14px;
            border-radius: 6px;
            position: relative;
            transition: all var(--transition);
            line-height: 1.4;
        }

        .nav-link:hover { color: #ffffff; background: rgba(255, 255, 255, 0.12); }

        .nav-link.active { color: #ffffff; font-weight: 600; }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .site-header.scrolled .nav-link { color: rgba(16, 32, 28, 0.82); }
        .site-header.scrolled .nav-link:hover { color: var(--primary); background: rgba(12, 107, 88, 0.08); }
        .site-header.scrolled .nav-link.active { color: var(--primary); }
        .site-header.scrolled .nav-link.active::after { background: var(--accent); }

        .nav-actions { display: flex; align-items: center; gap: 12px; }

        .nav-search {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all var(--transition);
        }

        .nav-search:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.10);
        }

        .site-header.scrolled .nav-search { color: var(--ink); }
        .site-header.scrolled .nav-search:hover { color: var(--primary); background: rgba(12, 107, 88, 0.08); }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 10px 24px;
            border-radius: 999px;
            border: none;
            font-family: var(--font-family);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            line-height: 1.2;
            white-space: nowrap;
        }

        .btn:active { transform: translateY(1px); filter: brightness(0.95); }

        .btn-nav {
            background: var(--primary);
            color: #fff;
            min-height: 38px;
            padding: 6px 22px;
            font-size: 0.9rem;
        }

        .btn-nav:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: #ffffff;
            font-size: 1.2rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .nav-toggle:hover { background: rgba(255,255,255,0.12); }

        .site-header.scrolled .nav-toggle { color: var(--ink); }
        .site-header.scrolled .nav-toggle:hover { background: rgba(12, 107, 88, 0.08); }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(6, 40, 34, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding: 24px 24px 32px;
            z-index: 999;
            max-height: calc(100vh - 60px);
            overflow-y: auto;
        }

        .mobile-menu.open { display: block; animation: fadeSlideDown 0.3s ease; }

        .mobile-menu nav { display: flex; flex-direction: column; }

        .mobile-menu nav a {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.05rem;
            padding: 14px 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            text-decoration: none;
            line-height: 1.6;
            transition: all var(--transition);
        }

        .mobile-menu nav a:hover { color: var(--accent); padding-left: 8px; }
        .mobile-menu nav a.active { color: var(--accent); font-weight: 600; }

        .mobile-menu-end {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding-top: 24px;
        }

        .btn-amber { background: var(--accent); color: #1B2824; }
        .btn-amber:hover { background: #d49440; color: #1B2824; transform: translateY(-1px); }
        .btn-line { background: transparent; border: 1px solid rgba(255,255,255,0.5); color: #fff; }
        .btn-line:hover { border-color: var(--accent); color: var(--accent); background: rgba(255,255,255,0.05); transform: translateY(-1px); }

        @keyframes fadeSlideDown {
            from { opacity: 0; transform: translateY(-16px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Hero Banner */
        .page-banner {
            position: relative;
            padding: 150px 0 70px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, #082822 50%, #0e3a30 100%);
            color: #fff;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.22;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 80%;
            background: linear-gradient(to top, var(--primary-dark), transparent);
            z-index: 0;
            pointer-events: none;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .breadcrumb {
            font-size: 0.875rem;
            color: rgba(255,255,255,0.65);
            margin-bottom: 20px;
        }

        .breadcrumb a { color: rgba(255,255,255,0.65); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb .sep { margin: 0 8px; opacity: 0.5; }

        .page-banner h1 {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 18px;
            max-width: 700px;
        }

        .banner-sub {
            font-size: 1.04rem;
            color: rgba(255,255,255,0.8);
            max-width: 560px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        .badge-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(224, 164, 88, 0.18);
            border: 1px solid rgba(224, 164, 88, 0.4);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        /* Category Layout A */
        .section-cat-a { padding: 72px 0 56px; }
        .cat-a-grid { display: flex; gap: 56px; align-items: center; }

        .cat-a-media { flex: 0 0 55%; }
        .cat-a-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-main);
            box-shadow: var(--shadow-card);
        }

        .cat-a-content { flex: 1; }
        .cat-a-content h2 {
            font-size: clamp(1.6rem, 2.4vw, 2rem);
            color: var(--ink);
            font-weight: 700;
            margin-bottom: 18px;
            line-height: 1.4;
        }

        .cat-a-content p {
            color: var(--text-sub);
            font-size: 0.98rem;
            line-height: 2;
            margin-bottom: 18px;
        }

        .cat-a-content .detail-tags { margin: 10px 0 0; }
        .detail-tags .tag { margin-bottom: 8px; margin-right: 8px; }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            margin-right: 12px;
        }

        .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(12, 107, 88, 0.3); }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover { background: rgba(12, 107, 88, 0.07); color: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            background: rgba(12, 107, 88, 0.08);
            color: var(--primary);
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .tag-accent { background: rgba(224, 164, 88, 0.15); color: #a56a2a; }

        /* features divider cards */
        .cat-b-section { padding: 60px 0; background: #fff; }

        .cat-b-section .section-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 2.8vw, 2rem);
            color: var(--ink);
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .section-head h3 { font-size: 1.4rem; color: var(--ink); font-weight: 700; margin-bottom: 12px; line-height: 1.4; }
        .section-head .section-sub {
            color: var(--text-sub);
            font-size: 0.98rem;
            line-height: 1.8;
            max-width: 600px;
            margin: 0 auto;
        }

        .cat-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .cat-card {
            background: #fff;
            border: 1px solid rgba(16, 32, 28, 0.06);
            border-radius: var(--radius-main);
            padding: 28px 26px;
            box-shadow: 0 6px 20px rgba(16, 32, 28, 0.04);
            transition: all var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .cat-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 4px;
            height: 0;
            background: var(--accent);
            border-radius: 0 4px 4px 0;
            transition: height var(--transition);
        }

        .cat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: transparent; }
        .cat-card:hover::before { height: 100%; }

        .cat-card .card-num {
            font-size: 2.2rem;
            color: rgba(12, 107, 88, 0.18);
            font-weight: 700;
            line-height: 1;
            margin-bottom: 12px;
        }

        .cat-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .cat-card p {
            font-size: 0.92rem;
            color: var(--text-sub);
            margin-bottom: 14px;
            flex: 1;
        }
        
        .cat-card .link-more { font-size: 0.88rem; color: var(--primary); font-weight: 500; }
        .cat-card .link-more i { margin-left: 4px; transition: margin-left var(--transition); }
        .cat-card .link-more:hover i { margin-left: 8px; }
        .cat-card-flex{
            display:flex; align-items:flex-start; flex-wrap: wrap;
        }

        .cat-detail-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 28px;
        }

        .detail-card {
            background: var(--card);
            border: 1px solid rgba(16, 32, 28, 0.06);
            border-radius: var(--radius-sub);
            padding: 26px 24px;
            transition: all var(--transition);
            display: flex;
            gap: 18px;
            position: relative;
        }

        .detail-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }

        .detail-icon {
            flex: 0 0 52px;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(12, 107, 88, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.25rem;
        }

        .detail-card h3 { font-size: 1.1rem; color: var(--ink); font-weight: 700; margin-bottom: 8px; }
        .detail-card p { font-size: 0.92rem; color: var(--text-sub); line-height: 1.8; }

        .btn-wrap { margin-top: 36px; text-align: center; }

        /* Devices section */
        .device-section {
            padding: 80px 0;
            background: var(--paper);
        }
        .device-section.gray-bg { background: #fff; }

        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
        }

        .section-title-row h2 { color: var(--ink); font-weight: 700; line-height: 1.4; margin-bottom: 6px; }

        .section-title-row h2 small {
            display: block;
            font-size: 1.4rem;
            color: transparent;
            -webkit-background-clip: none;
            background: none;
        }
        .section-title-row .left-desc {
            color: var(--text-sub);
            font-size: 0.95rem;
            max-width: 500px;
            line-height: 1.8;
        }

        .device-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .device-item {
            background: var(--card);
            border: 1px solid rgba(16,32,28,0.06);
            border-radius: var(--radius-sub);
            padding: 28px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }

        .device-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }

        .device-icon {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 18px;
        }

        .device-item h3 { font-size: 1.08rem; color: var(--ink); font-weight: 700; margin-bottom: 6px; }

        .device-item p { font-size: 0.85rem; color: var(--text-sub); margin-bottom: 16px; line-height: 1.8; }

        .device-badge {
            background: rgba(12, 107, 88, 0.08);
            color: var(--primary);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 0.78rem;
            font-weight: 500;
        }

        .icon-primary { background: rgba(12, 107, 88, 0.12); color: var(--primary); }
        .icon-amber { background: rgba(224, 164, 88, 0.15); color: #a56a2a; }
        .icon-dark { background: rgba(16, 32, 28, 0.08); color: var(--ink); }
        .icon-light { background: rgba(12, 107, 88, 0.06); color: var(--primary-dark); }

        /* FAQ section */
        .faq-section { padding: 80px 0; background: #fff; }
        .faq-inner { max-width: 860px; margin: 0 auto; }

        .accordion-item {
            background: var(--paper);
            border-radius: var(--radius-sub);
            margin-bottom: 12px;
            border: 1px solid rgba(16,32,28,0.05);
            transition: all var(--transition);
        }

        .accordion-item.is-active { background: #fff; box-shadow: var(--shadow-card); border-color: transparent; }

        .accordion-button {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            background: none;
            border: none;
            white-space: normal;
            font-family: var(--font-family);
            font-size: 1.02rem;
            font-weight: 500;
            color: var(--ink);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            border-radius: var(--radius-sub);
            position: relative;
            outline: none;
            transition: background 0.2s;
        }

        .accordion-button:focus-visible { box-shadow: 0 0 0 3px rgba(12,107,88,0.3); }

        .accordion-icon {
            flex: 0 0 28px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(12, 107, 88, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: transform var(--transition);
        }

        .accordion-item.is-active .accordion-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }

        .accordion-body { display: none; padding: 0 24px 22px; }
        .accordion-item.is-active .accordion-body { display: block; animation: fadeIn 0.3s ease; }
        .accordion-body p { color: var(--text-sub); font-size: 0.95rem; line-height: 1.9; margin-bottom: 0; }

        @keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(120deg, var(--ink), var(--primary-dark));
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0; right: 0;
            width: 45%; height: 100%;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .cta-content { position: relative; z-index: 2; max-width: 1280px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }

        .cta-left h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); color:#fff; margin-bottom: 16px; line-height:1.4; font-weight: 700; }
        .cta-left p { color: rgba(255,255,255,0.75); font-size: 1rem; line-height: 1.9; margin-bottom: 24px; max-width: 600px; margin-top: 0; }
        .align-l { display: flex; gap: 14px; flex-wrap: wrap; }

        .btn-cta-amber { background: var(--accent); color: var(--ink); }
        .btn-cta-amber:hover { background: #d49440; color: var(--ink); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(224, 164, 88, 0.3); }

        .btn-cta-line { background: transparent; border: 1px solid rgba(255,255,255,0.6); color: #fff; }
        .btn-cta-line:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: #fff; transform: translateY(-1px); }

        .cta-note { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 12px; line-height: 1.7; }

        .cta-tips {
            display: inline-flex;
            gap: 12px;
            align-items: flex-start;
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            border-left: 2px solid rgba(255,255,255,0.2);
            padding-left: 24px;
            line-height: 2;
        }
        .cta-tips span { color: var(--accent); }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.75);
            padding: 64px 0 26px;
        }

        .site-footer .container { max-width: 1280px; }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand .brand { color: #fff; margin-bottom: 16px; }
        .footer-brand .brand:hover { color: var(--accent); }
        .footer-desc { font-size: 0.92rem; line-height: 1.9; color: rgba(255,255,255,0.6); max-width: 320px; margin-top: 0; }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-list li { margin-bottom: 8px; }
        .footer-list a { color: rgba(255,255,255,0.6); font-size: 0.92rem; transition: all var(--transition); line-height: 1; display: inline-block; padding: 2px 0; }
        .footer-list a:hover { color: var(--accent); padding-left: 4px; }

        .footer-contact p { color: rgba(255,255,255,0.5); font-size: 0.88rem; line-height: 1.9; margin-bottom: 0; }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
        }

        /* Tablet */
        @media (max-width: 1024px) {
            body { font-size: 15px; }
            .container, .page-banner .banner-content, .cta-content { padding: 0 24px; }
            .main-nav { margin-left: 12px; gap: 2px; }
            .nav-link { padding: 6px 10px; font-size: 0.85rem; }
            .cat-a-grid { gap: 32px; flex-direction: column; }
            .cat-a-media { flex: 0 0 100%; }
            .cat-a-media img { height: 300px; }
            .device-row { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .cat-card-grid { grid-template-columns: repeat(2, 1fr); }
            .cat-detail-grid { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
        }

        /* Mobile */
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .nav-actions .nav-search { display: none; }
            .nav-actions .btn-nav { display: none; }
            .nav-toggle { display: flex; }
            .site-header { height: 60px; }
            .mobile-menu { top: 60px; }
            .page-banner { padding: 112px 0 48px; }
            .page-banner::before { width: 100%; opacity: 0.12; }
            .banner-content .container, .page-banner .banner-content { padding: 0 20px; }
            .cat-a-grid { gap: 24px; }
            .cat-a-media img { height: 220px; }
            .cat-card-grid { grid-template-columns: 1fr; }
            .cta-content { flex-direction: column; gap: 24px; padding: 0 20px; }
            .cta-left, .cta-right { width: 100%; }
            .cta-tips { border-left: none; border-top: 2px solid rgba(255,255,255,0.2); padding-top: 16px; padding-left: 0; display: block; }
            .footer-top { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; }
        }

        @media (max-width: 520px) {
            .container, .page-banner .banner-content, .cta-content { padding: 0 20px; }
            .brand-text { font-size: 0.96rem; }
            .device-row { grid-template-columns: 1fr; }
            .btn-wrap .btn { display: block; width: 100%; margin-bottom: 12px; margin-right: 0; }
            .btn-outline { width: 100%; }
            .detail-card { flex-direction: column; gap: 10px; }
            .accordion-button { font-size: 0.94rem; padding: 18px 18px; }
            .accordion-body { padding: 0 18px 18px; }
            .banner-sub { font-size: 0.95rem; }
            .align-l { flex-direction: column; align-items: stretch; width: 100%; }
            .align-l .btn { width: 100%; }
        }
        .focus-ring:focus-visible { outline: 3px solid rgba(12, 107, 88, 0.5); outline-offset: 2px; }
        .footer-link:focus-visible, .nav-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
        .page-banner h1 .mark { color: var(--accent); }

/* roulang page: category3 */
:root {
        --brand: #0C6B58;
        --brand-dark: #063F36;
        --amber: #E0A458;
        --ink: #10201C;
        --paper: #F7F4EF;
        --card: #FFFFFF;
        --text: #1B2824;
        --muted: #667B74;
        --light: #F4F9F7;
        --line: rgba(16, 32, 28, 0.10);
        --hero-line: rgba(255, 255, 255, 0.18);
        --radius-main: 20px;
        --radius-box: 14px;
        --shadow: 0 12px 32px rgba(20, 48, 42, 0.08);
        --shadow-lift: 0 20px 50px rgba(20, 48, 42, 0.14);
        --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
    }

    * {
        box-sizing: border-box;
    }

    html,
    body {
        margin: 0;
        padding: 0;
    }

    body {
        background: var(--paper);
        color: var(--text);
        font-family: var(--font);
        font-size: 16px;
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease;
    }

    img {
        max-width: 100%;
        display: block;
    }

    ul {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    button,
    input {
        font-family: var(--font);
    }

    a:focus-visible,
    button:focus-visible {
        outline: 2px solid var(--amber);
        outline-offset: 3px;
    }

    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 32px;
    }

    .section {
        padding: 100px 0;
    }

    .row {
        max-width: 100%;
    }

    .section-head {
        max-width: 780px;
        margin: 0 auto 48px;
        text-align: center;
    }

    .section-head h2 {
        font-size: clamp(1.8rem, 3.2vw, 2.7rem);
        line-height: 1.25;
        color: var(--ink);
        font-weight: 700;
        margin: 16px 0 0;
    }

    .section-head p {
        color: var(--muted);
        margin: 20px 0 0;
        font-size: 1.05rem;
    }

    .kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 4px 16px;
        border-radius: 999px;
        background: rgba(12, 107, 88, .10);
        color: var(--brand);
        font-size: .85rem;
        font-weight: 600;
        letter-spacing: .03em;
    }

    .btn {
        appearance: none;
        -webkit-appearance: none;
        border: 1px solid transparent;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 44px;
        height: auto;
        padding: 0 26px;
        border-radius: 999px;
        font-size: .95rem;
        font-weight: 600;
        cursor: pointer;
        background: var(--brand);
        color: #fff;
        transition: transform .25s ease, filter .25s ease, background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease;
    }

    .btn:hover {
        transform: translateY(-1px);
        box-shadow: var(--shadow);
    }

    .btn:active {
        transform: translateY(0) scale(.98);
        filter: brightness(.95);
    }

    .btn-amber {
        background: var(--amber);
        color: var(--ink);
    }

    .btn-amber:hover {
        background: #eab876;
    }

    .btn-dark {
        background: var(--brand-dark);
        color: #fff;
    }

    .btn-line {
        background: transparent;
        border-color: rgba(255, 255, 255, .6);
        color: #fff;
    }

    .btn-line:hover {
        background: rgba(255, 255, 255, .12);
        border-color: #fff;
    }

    .btn-outline {
        border-color: var(--brand);
        color: var(--brand);
        background: transparent;
    }

    .btn-outline:hover {
        background: rgba(12, 107, 88, .08);
    }

    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: 72px;
        display: flex;
        align-items: center;
        background: rgba(12, 30, 26, 0.28);
        border-bottom: 1px solid var(--hero-line);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 4px 18px rgba(12, 30, 26, 0.10);
        transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 22px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        color: #fff;
        flex-shrink: 0;
    }

    .brand-mark {
        width: 28px;
        height: 5px;
        border-radius: 999px;
        background: var(--amber);
        flex-shrink: 0;
    }

    .brand-text {
        font-size: 1.08rem;
        font-weight: 700;
        letter-spacing: .02em;
        white-space: nowrap;
        color: inherit;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 2px;
        margin: 0 auto;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        min-height: 40px;
        padding: 0 16px;
        border-radius: 8px;
        color: rgba(255, 255, 255, 0.9);
        font-size: .95rem;
        font-weight: 500;
        border-bottom: 2px solid transparent;
    }

    .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, .10);
    }

    .nav-link.active {
        color: #fff;
        border-bottom-color: var(--amber);
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .nav-search {
        width: 40px;
        height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        color: rgba(255, 255, 255, .9);
        font-size: .95rem;
    }

    .nav-search:hover {
        background: rgba(255, 255, 255, .12);
        color: #fff;
    }

    .btn-nav {
        min-height: 40px;
        padding: 0 22px;
        background: var(--brand);
        color: #fff;
    }

    .btn-nav:hover {
        background: #0f7d68;
        box-shadow: none;
    }

    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        padding: 0;
        border: 0;
        border-radius: 10px;
        background: transparent;
        color: #fff;
        font-size: 20px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .mobile-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        z-index: 999;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
        background: rgba(16, 32, 28, .96);
        backdrop-filter: blur(22px);
        -webkit-backdrop-filter: blur(22px);
        border-bottom: 1px solid var(--hero-line);
        padding: 8px 0 24px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
    }

    .mobile-menu.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .mobile-menu nav {
        display: flex;
        flex-direction: column;
        padding: 0 24px;
    }

    .mobile-menu nav a {
        display: flex;
        align-items: center;
        color: #fff;
        font-size: 17px;
        line-height: 52px;
        border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .mobile-menu nav a.active,
    .mobile-menu nav a:hover {
        color: var(--amber);
    }

    .mobile-menu-end {
        display: flex;
        gap: 12px;
        padding: 20px 24px 8px;
    }

    .mobile-menu-end .btn {
        flex: 1;
    }

    .site-header.scrolled {
        background: rgba(247, 244, 239, .92);
        border-bottom-color: rgba(16, 32, 28, .08);
        box-shadow: 0 6px 20px rgba(20, 48, 42, .06);
    }

    .site-header.scrolled .brand {
        color: var(--ink);
    }

    .site-header.scrolled .nav-link {
        color: var(--text);
    }

    .site-header.scrolled .nav-link:hover {
        background: rgba(12, 107, 88, .08);
        color: var(--brand);
    }

    .site-header.scrolled .nav-link.active {
        color: var(--brand);
        border-bottom-color: var(--brand);
    }

    .site-header.scrolled .nav-search {
        color: var(--text);
    }

    .site-header.scrolled .nav-search:hover {
        background: rgba(12, 107, 88, .12);
        color: var(--brand);
    }

    .site-header.scrolled .nav-toggle {
        color: var(--text);
    }

    .page-hero {
        position: relative;
        padding: 176px 0 88px;
        color: #fff;
        background: linear-gradient(100deg, rgba(6, 63, 54, .95) 0%, rgba(10, 55, 46, .78) 48%, rgba(16, 32, 28, .72) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    }

    .hero-crumb {
        display: flex;
        align-items: center;
        gap: 10px;
        color: rgba(255, 255, 255, .72);
        font-size: .875rem;
        margin-bottom: 32px;
    }

    .hero-crumb a {
        color: rgba(255, 255, 255, .86);
    }

    .hero-crumb a:hover {
        color: var(--amber);
    }

    .hero-crumb i {
        font-size: .75rem;
        color: rgba(255, 255, 255, .5);
    }

    .page-hero h1 {
        font-size: clamp(2.4rem, 4.6vw, 3.8rem);
        line-height: 1.15;
        margin: 0 0 22px;
        color: #fff;
        font-weight: 700;
        letter-spacing: .01em;
    }

    .hero-note p {
        font-size: 1.06rem;
        line-height: 1.9;
        color: rgba(255, 255, 255, .86);
        margin: 0 0 26px;
    }

    .hero-note .hero-mini {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: rgba(255, 255, 255, .66);
        font-size: .875rem;
        background: rgba(255, 255, 255, .08);
        border: 1px solid rgba(255, 255, 255, .16);
        padding: 8px 14px;
        border-radius: 999px;
    }

    .lead-area {
        background: var(--card);
        padding: 100px 0;
    }

    .lead-figure {
        position: relative;
        margin: 0;
        border-radius: 24px;
        overflow: hidden;
        box-shadow: var(--shadow);
    }

    .lead-figure img {
        width: 100%;
        aspect-ratio: 4 / 3;
        object-fit: cover;
        transition: transform .5s ease;
    }

    .lead-figure:hover img {
        transform: scale(1.03);
    }

    .lead-copy .kicker {
        margin-bottom: 20px;
    }

    .lead-copy h2 {
        font-size: clamp(1.8rem, 3vw, 2.5rem);
        line-height: 1.25;
        margin: 0 0 24px;
        color: var(--ink);
        font-weight: 700;
    }

    .lead-copy p {
        color: var(--muted);
        font-size: 1.02rem;
        margin: 0 0 30px;
    }

    .check-list {
        margin: 0 0 36px;
        padding: 0;
    }

    .check-list li {
        position: relative;
        padding: 0 0 16px 40px;
        color: var(--text);
        font-size: .98rem;
    }

    .check-list li + li {
        margin-top: 12px;
        border-top: 1px solid var(--line);
        padding-top: 20px;
    }

    .check-list li i {
        position: absolute;
        left: 0;
        top: 2px;
        width: 28px;
        height: 28px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        background: rgba(12, 107, 88, .12);
        color: var(--brand);
        font-size: .8rem;
    }

    .lead-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    .steps-area {
        background: var(--paper);
        padding: 100px 0;
    }

    .step-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 48px;
    }

    .step-item {
        position: relative;
        background: var(--card);
        border-radius: var(--radius-main);
        border-top: 4px solid var(--brand);
        padding: 52px 26px 30px;
        box-shadow: var(--shadow);
        transition: transform .3s ease, box-shadow .3s ease;
    }

    .step-item:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lift);
    }

    .step-no {
        position: absolute;
        top: 18px;
        right: 22px;
        font-size: 2.2rem;
        font-weight: 800;
        letter-spacing: .03em;
        line-height: 1;
        color: rgba(12, 107, 88, .16);
    }

    .step-item h3 {
        font-size: 1.16rem;
        color: var(--ink);
        margin: 0 0 12px;
        font-weight: 700;
    }

    .step-item p {
        color: var(--muted);
        font-size: .925rem;
        margin: 0;
        line-height: 1.8;
    }

    .method-area {
        background: var(--card);
        padding: 100px 0;
    }

    .method-panel {
        background: linear-gradient(135deg, #063F36 0%, #0C6B58 100%);
        border-radius: 28px;
        padding: 64px;
        color: var(--light);
        box-shadow: var(--shadow);
    }

    .method-panel .kicker {
        background: rgba(255, 255, 255, .12);
        color: #fff;
    }

    .method-panel h2 {
        color: #fff;
        margin: 18px 0 0;
        font-size: clamp(1.8rem, 3vw, 2.6rem);
        font-weight: 700;
        line-height: 1.25;
    }

    .method-panel-desc {
        color: rgba(255, 255, 255, .78);
        max-width: 720px;
        margin: 20px 0 0;
        font-size: 1rem;
    }

    .method-grid {
        display: grid;
        grid-template-columns: 1.2fr 1fr 1fr;
        gap: 8px;
        margin-top: 48px;
    }

    .method-cell {
        border-left: 1px solid rgba(255, 255, 255, .22);
        padding: 12px 0 0 30px;
    }

    .method-cell i {
        width: 44px;
        height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        background: rgba(255, 255, 255, .14);
        color: var(--amber);
        font-size: 17px;
        margin-bottom: 20px;
    }

    .method-cell h3 {
        color: #fff;
        font-size: 1.15rem;
        margin: 0 0 10px;
        font-weight: 700;
    }

    .method-cell p {
        color: rgba(255, 255, 255, .72);
        font-size: .92rem;
        margin: 0;
        line-height: 1.85;
    }

    .support-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        margin-top: 64px;
    }

    .support-card {
        background: var(--card);
        border: 1px solid var(--line);
        border-radius: var(--radius-main);
        padding: 30px 30px 28px;
        box-shadow: 0 8px 22px rgba(20, 48, 42, .04);
        transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .support-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lift);
        border-color: rgba(12, 107, 88, .28);
    }

    .support-card .icon {
        width: 48px;
        height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        background: rgba(12, 107, 88, .12);
        color: var(--brand);
        font-size: 18px;
        margin-bottom: 18px;
    }

    .support-card h3 {
        font-size: 1.2rem;
        color: var(--ink);
        margin: 0 0 10px;
        font-weight: 700;
    }

    .support-card p {
        color: var(--muted);
        font-size: .93rem;
        margin: 0;
        line-height: 1.85;
    }

    .safety-area {
        background: var(--paper);
    }

    .safety-panel {
        background: var(--ink);
        border-radius: 28px;
        padding: 54px;
        display: flex;
        align-items: center;
        gap: 48px;
        color: #fff;
        position: relative;
        overflow: hidden;
    }

    .safety-panel::before {
        content: '';
        position: absolute;
        right: -80px;
        top: -80px;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(224, 164, 88, .28) 0%, rgba(224, 164, 88, 0) 70%);
    }

    .safety-icon {
        flex: 0 0 auto;
        width: 96px;
        height: 96px;
        border-radius: 26px;
        background: rgba(224, 164, 88, .14);
        border: 1px solid rgba(224, 164, 88, .35);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 36px;
        color: var(--amber);
    }

    .safety-panel h2 {
        font-size: clamp(1.6rem, 2.8vw, 2.3rem);
        color: #fff;
        margin: 0 0 14px;
        font-weight: 700;
    }

    .safety-panel p {
        color: rgba(255, 255, 255, .78);
        margin: 0 0 22px;
        font-size: 1rem;
        max-width: 720px;
    }

    .safety-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 0;
        padding: 0;
    }

    .safety-tags li {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 255, 255, .08);
        border: 1px solid rgba(255, 255, 255, .15);
        padding: 8px 16px;
        border-radius: 999px;
        color: rgba(255, 255, 255, .9);
        font-size: .875rem;
    }

    .safety-tags li i {
        color: var(--amber);
        font-size: .9rem;
    }

    .faq-area {
        background: var(--card);
        padding: 100px 0;
    }

    .faq-wrap {
        max-width: 920px;
        margin: 0 auto;
    }

    .custom-accordion .accordion-item {
        background: var(--card);
        border: 1px solid var(--line);
        border-radius: 16px;
        margin-bottom: 18px;
        overflow: hidden;
        box-shadow: 0 8px 20px rgba(20, 48, 42, .04);
    }

    .custom-accordion .accordion-title {
        display: flex;
        align-items: center;
        gap: 14px;
        background: transparent;
        border: 0;
        color: var(--ink);
        padding: 24px 28px;
        font-size: 1.05rem;
        font-weight: 700;
        line-height: 1.6;
    }

    .custom-accordion .accordion-title:hover,
    .custom-accordion .accordion-title:focus {
        color: var(--brand);
        background: rgba(12, 107, 88, .04);
    }

    .custom-accordion .accordion-title::before,
    .custom-accordion .accordion-title::after {
        display: none;
    }

    .custom-accordion .acc-toggle {
        width: 32px;
        height: 32px;
        flex: 0 0 auto;
        border-radius: 50%;
        background: rgba(12, 107, 88, .10);
        color: var(--brand);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: .85rem;
        margin-left: auto;
        transition: transform .25s ease, background .25s ease;
    }

    .custom-accordion .is-active .acc-toggle {
        transform: rotate(45deg);
        background: var(--brand);
        color: #fff;
    }

    .custom-accordion .accordion-content {
        background: transparent;
        color: var(--muted);
        border: 0;
        padding: 0 28px 28px;
        line-height: 1.9;
        font-size: .97rem;
    }

    .custom-accordion .accordion-content p {
        margin: 0 0 12px;
    }

    .custom-accordion .accordion-content p:last-child {
        margin-bottom: 0;
    }

    .cta-area {
        background: var(--brand-dark);
        padding: 100px 0;
    }

    .cta-box {
        position: relative;
        overflow: hidden;
        border-radius: 28px;
        background: linear-gradient(110deg, rgba(6, 63, 54, .96) 0%, rgba(16, 32, 28, .94) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
        color: #fff;
        padding: 66px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
    }

    .cta-box h2 {
        font-size: clamp(1.9rem, 3.4vw, 2.9rem);
        margin: 0 0 16px;
        color: #fff;
        font-weight: 700;
    }

    .cta-box p {
        color: rgba(255, 255, 255, .82);
        margin: 0 0 28px;
        max-width: 620px;
    }

    .cta-box .cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    .cta-side {
        border-left: 1px solid rgba(255, 255, 255, .18);
        padding-left: 36px;
        min-width: 300px;
    }

    .cta-side h3 {
        color: #fff;
        margin: 0 0 16px;
        font-size: 1.1rem;
        font-weight: 700;
    }

    .cta-side ul {
        margin: 0;
        padding: 0;
    }

    .cta-side li {
        padding: 4px 0;
        color: rgba(255, 255, 255, .78);
        font-size: .92rem;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .cta-side li i {
        color: var(--amber);
        font-size: .9rem;
    }

    .site-footer {
        background: #0F1D19;
        color: rgba(255, 255, 255, .75);
        padding: 70px 0 26px;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
        gap: 48px;
        padding-bottom: 42px;
        border-bottom: 1px solid rgba(255, 255, 255, .10);
    }

    .footer-brand .brand {
        color: #fff;
        margin-bottom: 16px;
    }

    .footer-desc {
        color: rgba(255, 255, 255, .62);
        font-size: .92rem;
        line-height: 1.85;
        margin: 0;
        max-width: 360px;
    }

    .footer-title {
        color: #fff;
        font-size: 1rem;
        margin: 0 0 20px;
        font-weight: 700;
        letter-spacing: .02em;
    }

    .footer-list {
        margin: 0;
        padding: 0;
    }

    .footer-list li {
        padding: 6px 0;
    }

    .footer-list a {
        color: rgba(255, 255, 255, .68);
        font-size: .92rem;
    }

    .footer-list a:hover {
        color: var(--amber);
    }

    .footer-contact {
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .08);
        border-radius: 14px;
        padding: 20px;
    }

    .footer-contact p {
        margin: 0;
        font-size: .88rem;
        line-height: 1.85;
        color: rgba(255, 255, 255, .6);
    }

    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 10px;
        padding-top: 22px;
        color: rgba(255, 255, 255, .5);
        font-size: .85rem;
    }

    @media (max-width: 1024px) {
        .main-nav {
            display: none;
        }

        .nav-toggle {
            display: inline-flex;
        }

        .nav-search {
            display: none;
        }

        .footer-top {
            grid-template-columns: 1fr 1fr;
        }

        .step-grid {
            grid-template-columns: 1fr 1fr;
        }

        .method-panel {
            padding: 44px 36px;
        }

        .method-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .method-cell {
            border-left: 0;
            padding: 0 0 0 0;
            border-bottom: 1px solid rgba(255, 255, 255, .18);
            padding-bottom: 24px;
        }

        .safety-panel {
            flex-direction: column;
            align-items: flex-start;
            padding: 44px 36px;
        }

        .cta-box {
            flex-direction: column;
            align-items: flex-start;
            padding: 48px 36px;
        }

        .cta-side {
            border-left: 0;
            padding-left: 0;
            min-width: 0;
            border-top: 1px solid rgba(255, 255, 255, .18);
            padding-top: 24px;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 72px 0;
        }

        .lead-area,
        .method-area,
        .steps-area {
            padding: 72px 0;
        }

        .faq-area {
            padding: 72px 0;
        }

        .support-grid {
            grid-template-columns: 1fr;
        }

        .page-hero {
            padding-top: 150px;
            padding-bottom: 60px;
        }

        .footer-top {
            grid-template-columns: 1fr;
            gap: 34px;
        }

        .lead-actions .btn {
            width: 100%;
        }

        .safety-panel {
            background: var(--ink);
        }

        .method-panel {
            padding: 36px 24px;
        }

        .cta-box {
            padding: 36px 24px;
        }

        .hero-note .hero-mini {
            width: 100%;
        }
    }

    @media (max-width: 640px) {
        .container {
            padding: 0 20px;
        }

        .step-grid {
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .brand-text {
            font-size: .95rem;
        }

        .brand-mark {
            width: 22px;
        }

        .section-head {
            margin-bottom: 32px;
        }

        .support-grid {
            margin-top: 40px;
        }

        .support-card {
            padding: 24px;
        }

        .check-list li {
            padding-right: 0;
        }

        .lead-actions .btn {
            width: 100%;
        }

        .safety-panel {
            padding: 32px 22px;
        }

        .safety-icon {
            width: 68px;
            height: 68px;
            font-size: 26px;
        }

        .cta-actions .btn {
            width: 100%;
        }

        .cta-actions .btn-line {
            border-color: rgba(255, 255, 255, .6);
        }

        .custom-accordion .accordion-title {
            padding: 20px 18px;
            font-size: .98rem;
        }

        .custom-accordion .accordion-content {
            padding: 0 18px 22px;
        }

        .page-hero h1 {
            font-size: 2.2rem;
        }

        .hero-note p {
            font-size: .97rem;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: .01ms !important;
            transition-duration: .01ms !important;
        }
    }

/* roulang page: category4 */
:root {
            --brand: #0C6B58;
            --brand-deep: #063F36;
            --amber: #E0A458;
            --ink: #10201C;
            --text: #1B2824;
            --muted: #667B74;
            --paper: #F7F4EF;
            --card: #FFFFFF;
            --line: rgba(16, 32, 28, 0.10);
            --white: #F4F9F7;
            --glass-bg: rgba(12, 30, 26, 0.28);
            --glass-border: rgba(255, 255, 255, 0.18);
            --scrolled-bg: rgba(247, 244, 239, 0.92);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-soft: 0 12px 32px rgba(20, 48, 42, 0.08);
            --shadow-hover: 0 20px 50px rgba(20, 48, 42, 0.14);
            --transition: all .3s cubic-bezier(.25, .46, .45, .94);
            --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--paper);
            color: var(--text);
            font-size: 17px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        p {
            margin: 0 0 1.2rem;
            color: inherit;
        }

        h1,
        h2,
        h3,
        h4 {
            margin: 0 0 0.65em;
            color: var(--ink);
            line-height: 1.3;
            font-weight: 700;
        }

        h1 {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            line-height: 1.15;
        }

        h2 {
            font-size: clamp(1.8rem, 3.2vw, 2.7rem);
            margin-bottom: 0.45em;
        }

        h3 {
            font-size: 1.3rem;
            margin-bottom: .5rem;
        }

        button,
        input {
            font-family: inherit;
            border: 0;
        }

        :focus-visible {
            outline: 3px solid rgba(12, 107, 88, .45);
            outline-offset: 4px;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
            width: 100%;
        }

        .container .row {
            max-width: none;
            margin-left: auto;
            margin-right: auto;
        }

        .section {
            padding: 96px 0;
            position: relative;
        }

        .section-head {
            max-width: 860px;
            margin-bottom: 48px;
        }

        .section-head .lead {
            font-size: 17px;
            color: var(--muted);
            margin-top: 14px;
            margin-bottom: 0;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--brand);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .12em;
            margin-bottom: 14px;
        }

        .eyebrow::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--amber);
            border-radius: 99px;
            flex: none;
        }

        .eyebrow.light {
            color: var(--amber);
        }

        .eyebrow.center::before {
            display: none;
        }

        .eyebrow.center::after {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--amber);
            border-radius: 99px;
        }

        .section-head.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-head.center .eyebrow {
            justify-content: center;
        }

        .muted {
            color: var(--muted);
        }

        .mark {
            color: var(--brand);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 44px;
            padding: 0 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            text-align: center;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-amber {
            background: var(--amber);
            color: #10201C;
            border-color: var(--amber);
        }

        .btn-amber:hover {
            background: #d89a49;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(224, 164, 88, .25);
        }

        .btn-amber:active {
            transform: translateY(0);
            filter: brightness(.96);
            box-shadow: none;
        }

        .btn-deep {
            background: var(--brand-deep);
            color: var(--white);
            border-color: var(--brand-deep);
        }

        .btn-deep:hover {
            background: #0A4D43;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(6, 63, 54, .22);
        }

        .btn-line-light {
            background: rgba(255, 255, 255, .08);
            color: var(--white);
            border-color: rgba(255, 255, 255, .6);
            backdrop-filter: blur(6px);
        }

        .btn-line-light:hover {
            background: rgba(255, 255, 255, .16);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-line {
            background: transparent;
            color: var(--brand-deep);
            border-color: rgba(6, 63, 54, .35);
        }

        .btn-line:hover {
            background: rgba(12, 107, 88, .08);
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-1px);
        }

        .btn-nav {
            background: var(--brand);
            color: #fff;
            min-height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .btn-nav:hover {
            background: var(--amber);
            color: #10201C;
        }

        .btn-full {
            width: 100%;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: var(--glass-bg);
            border-bottom: 1px solid transparent;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: var(--transition);
        }

        .site-header.is-scrolled {
            background: var(--scrolled-bg);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 8px 30px rgba(20, 48, 42, .08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 72px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex: none;
        }

        .brand-mark {
            width: 6px;
            height: 34px;
            border-radius: 999px;
            background: var(--amber);
            flex: none;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: .01em;
            white-space: nowrap;
            line-height: 1.4;
            transition: var(--transition);
        }

        .site-header.is-scrolled .brand-text {
            color: var(--ink);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
            margin-right: 12px;
        }

        .main-nav .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            padding: 0 16px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(244, 249, 247, .92);
            border-radius: 999px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--amber);
            opacity: 0;
            transform: scaleX(.4);
            transition: var(--transition);
        }

        .main-nav .nav-link:hover {
            color: var(--white);
            background: rgba(255, 255, 255, .08);
        }

        .main-nav .nav-link.active {
            color: var(--white);
            font-weight: 700;
        }

        .main-nav .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .site-header.is-scrolled .main-nav .nav-link {
            color: var(--text);
        }

        .site-header.is-scrolled .main-nav .nav-link:hover {
            color: var(--brand);
            background: rgba(12, 107, 88, .08);
        }

        .site-header.is-scrolled .main-nav .nav-link.active {
            color: var(--brand);
        }

        .site-header.is-scrolled .main-nav .nav-link.active::after {
            background: var(--amber);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-search {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--white);
            font-size: 15px;
            transition: var(--transition);
        }

        .site-header.is-scrolled .nav-search {
            color: var(--text);
        }

        .nav-search:hover {
            color: var(--amber);
            background: rgba(224, 164, 88, .12);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 12px;
            color: var(--white);
            font-size: 19px;
            cursor: pointer;
        }

        .is-scrolled .nav-toggle {
            color: var(--text);
            background: transparent;
            border-color: var(--line);
        }

        .mobile-menu {
            display: block;
            position: fixed;
            top: 64px;
            left: 16px;
            right: 16px;
            z-index: 99;
            background: rgba(6, 34, 29, .94);
            border: 1px solid rgba(255, 255, 255, .16);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 24px;
            padding: 18px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-16px);
            transition: var(--transition);
            box-shadow: 0 30px 80px rgba(0, 0, 0, .24);
        }

        .mobile-menu.is-open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mobile-menu nav a {
            display: block;
            padding: 13px 10px;
            color: rgba(244, 249, 247, .92);
            font-size: 17px;
            font-weight: 500;
            border-radius: 14px;
            transition: var(--transition);
        }

        .mobile-menu nav a:hover {
            background: rgba(255, 255, 255, .09);
            color: var(--amber);
            transform: translateX(4px);
        }

        .mobile-menu nav a.active {
            color: var(--amber);
            background: rgba(224, 164, 88, .1);
        }

        .mobile-menu-end {
            margin-top: 18px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, .14);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .mobile-menu-end .btn {
            flex: 1 1 auto;
            min-width: 130px;
        }

        .page-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            padding: 150px 0 56px;
            color: var(--white);
            overflow: hidden;
        }

        .secure-hero {
            background: linear-gradient(110deg, rgba(6, 63, 54, .97) 0%, rgba(6, 63, 54, .78) 42%, rgba(9, 58, 50, .46) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: auto -10% -120px 45%;
            width: 55%;
            height: 260px;
            background: radial-gradient(circle, rgba(224, 164, 88, .16), transparent 68%);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: rgba(244, 249, 247, .72);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: rgba(244, 249, 247, .82);
            transition: var(--transition);
            padding: 4px 0;
        }

        .breadcrumb a:hover {
            color: var(--amber);
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, .4);
        }

        .hero-title-wrap {
            max-width: 760px;
        }

        .hero-title-wrap .eyebrow {
            margin-bottom: 16px;
        }

        .hero-title-wrap h1 {
            color: var(--white);
            margin-bottom: .25em;
        }

        .hero-title-wrap p {
            color: rgba(244, 249, 247, .88);
            font-size: 18px;
            max-width: 660px;
            margin: 18px 0 0;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 30px;
        }

        .hero-note {
            flex-basis: 100%;
            font-size: 14px;
            color: rgba(244, 249, 247, .68);
        }

        .hero-note i {
            margin-right: 6px;
            color: var(--amber);
        }

        .intro-section {
            background: var(--paper);
            padding-top: 100px;
        }

        .intro-row {
            align-items: center;
            row-gap: 32px;
        }

        .intro-row .columns {
            margin-bottom: 0;
        }

        .media-frame {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            background: var(--card);
            border: 1px solid rgba(255, 255, 255, .64);
        }

        .media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .media-frame:hover img {
            transform: scale(1.03);
        }

        .media-frame .frame-tip {
            position: absolute;
            left: 20px;
            bottom: 20px;
            right: 20px;
            background: rgba(6, 63, 54, .7);
            border: 1px solid rgba(255, 255, 255, .18);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 16px;
            padding: 12px 18px;
            color: var(--white);
            font-size: 14px;
        }

        .frame-tip i {
            color: var(--amber);
            margin-right: 8px;
        }

        .intro-copy h2 {
            color: var(--ink);
        }

        .intro-copy p {
            color: var(--muted);
            font-size: 17px;
        }

        .intro-vlist {
            margin-top: 28px;
        }

        .intro-vlist li {
            display: grid;
            grid-template-columns: 58px 1fr;
            gap: 14px;
            padding: 22px 0;
            border-top: 1px solid var(--line);
        }

        .intro-vlist li:last-child {
            border-bottom: 1px solid var(--line);
        }

        .intro-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--amber);
            letter-spacing: .02em;
            line-height: 1.2;
        }

        .intro-vlist h3 {
            font-size: 1.13rem;
            margin-bottom: 6px;
        }

        .intro-vlist p {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .route-section {
            margin: 0;
            background: var(--brand-deep);
            color: var(--white);
            border-radius: 0;
            padding: 96px 0;
        }

        .route-section .section-head h2,
        .route-section .section-head p {
            color: var(--white);
        }

        .route-section .section-head h2 {
            color: #FDFBF7;
        }

        .route-section .section-head p {
            color: rgba(244, 249, 247, .75);
        }

        .route-panel {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 28px;
            padding: 36px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .path-map {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            position: relative;
        }

        .path-item {
            position: relative;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: var(--radius-lg);
            padding: 26px 22px 24px;
            min-height: 190px;
            transition: var(--transition);
        }

        .path-item:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, .14);
            border-color: rgba(224, 164, 88, .55);
            box-shadow: 0 18px 40px rgba(0, 0, 0, .2);
        }

        .path-item::after {
            content: "";
            position: absolute;
            top: 50%;
            right: -15px;
            width: 18px;
            height: 2px;
            background: rgba(224, 164, 88, .7);
        }

        .path-item:last-child::after {
            display: none;
        }

        .path-step {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--amber);
            color: #10201C;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 16px;
            box-shadow: 0 8px 22px rgba(224, 164, 88, .22);
        }

        .path-item h3 {
            color: #FDFBF7;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .path-item p {
            color: rgba(244, 249, 247, .74);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .scene-section {
            background: var(--paper);
        }

        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .scene-card {
            position: relative;
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            transition: var(--transition);
            min-height: 260px;
        }

        .scene-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .scene-cover {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .22;
            transition: transform .6s ease, opacity .4s ease;
        }

        .scene-card:hover .scene-cover {
            transform: scale(1.05);
            opacity: .16;
        }

        .scene-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 260px;
            padding: 28px 28px 26px;
            background: linear-gradient(to top, rgba(247, 244, 239, .16), rgba(255, 255, 255, .82) 60%);
        }

        .scene-icon {
            position: absolute;
            top: -4px;
            right: 26px;
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: rgba(12, 107, 88, .12);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .scene-card:hover .scene-icon {
            background: var(--brand);
            color: #fff;
            transform: rotate(-6deg) scale(1.05);
        }

        .scene-content .ctag {
            display: inline-block;
            background: rgba(224, 164, 88, .18);
            color: #7a5c2b;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 11px;
            border-radius: 999px;
            letter-spacing: .04em;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .scene-content h3 {
            margin-bottom: 6px;
            font-size: 1.2rem;
        }

        .scene-content p {
            font-size: 15px;
            color: var(--muted);
            max-width: 430px;
            margin-bottom: 14px;
        }

        .scene-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            min-height: 40px;
        }

        .scene-link:hover {
            color: var(--amber);
            gap: 12px;
        }

        .check-section {
            background: #FCFAF6;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .check-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .check-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: 0 8px 20px rgba(20, 48, 42, .04);
            transition: var(--transition);
        }

        .check-card:hover {
            box-shadow: var(--shadow-soft);
            transform: translateY(-3px);
        }

        .check-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--brand);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            margin-bottom: 20px;
        }

        .check-card h3 {
            font-size: 1.12rem;
            margin-bottom: 8px;
        }

        .check-card p {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        .faq-section {
            background: var(--paper);
            padding-bottom: 100px;
        }

        .faq-wrap {
            max-width: 980px;
            margin: 0 auto;
        }

        .faq-panel {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 28px;
            padding: 30px 34px;
            box-shadow: var(--shadow-soft);
        }

        .faq-accordion {
            background: transparent;
        }

        .faq-accordion .accordion-item {
            background: transparent;
            border: 0;
        }

        .faq-accordion .accordion-title {
            position: relative;
            background: #fff;
            color: var(--ink);
            font-size: 17px;
            font-weight: 600;
            line-height: 1.6;
            padding: 22px 56px 22px 0;
            border-bottom: 1px solid var(--line);
            display: block;
            transition: var(--transition);
        }

        .faq-accordion .accordion-title:hover {
            color: var(--brand);
            background: #fff;
        }

        .faq-accordion .accordion-title::before {
            content: "";
            position: absolute;
            top: 50%;
            right: 2px;
            width: 42px;
            height: 42px;
            transform: translateY(-50%);
            background: rgba(12, 107, 88, .1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 400;
            transition: var(--transition);
        }

        .faq-accordion .accordion-title::after {
            content: "\002B";
            position: absolute;
            top: 50%;
            right: 0;
            width: 42px;
            height: 42px;
            transform: translateY(-50%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand);
            transition: var(--transition);
            pointer-events: none;
        }

        .faq-accordion .accordion-item.is-active > .accordion-title::before {
            background: var(--brand);
        }

        .faq-accordion .accordion-item.is-active > .accordion-title::after {
            content: "\2212";
            color: #fff;
        }

        .faq-accordion .accordion-title.active {
            color: var(--brand);
        }

        .faq-accordion .accordion-content {
            background: #fff;
            border: 0;
            padding: 24px 56px 24px 0 !important;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.9;
        }

        .faq-accordion .accordion-content p {
            margin: 0;
        }

        .cta-section {
            background: linear-gradient(120deg, rgba(6, 63, 54, .96), rgba(6, 63, 54, .86)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: var(--white);
            padding: 92px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-copy {
            max-width: 760px;
        }

        .cta-copy h2 {
            color: #fff;
            margin-bottom: .25em;
        }

        .cta-copy p {
            color: rgba(244, 249, 247, .8);
            font-size: 17px;
            margin: 14px 0 0;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            flex: 1 1 260px;
            max-width: 420px;
            justify-content: flex-start;
            align-items: center;
        }

        .cta-actions .btn {
            min-height: 50px;
            padding: 0 34px;
        }

        .cta-actions .btn-line-light {
            border-color: rgba(255, 255, 255, .46);
        }

        .site-footer {
            background: #071411;
            color: rgba(244, 249, 247, .76);
            padding: 68px 0 26px;
        }

        .site-footer .brand-text {
            color: #fff;
        }

        .site-footer .container .footer-top {
            display: grid;
            grid-template-columns: 1.4fr .8fr .9fr 1.1fr;
            gap: 40px;
            padding-bottom: 42px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 15px;
            line-height: 1.8;
            max-width: 360px;
            color: rgba(244, 249, 247, .68);
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            margin-bottom: 18px;
        }

        .footer-list li {
            margin-bottom: 10px;
        }

        .footer-list a {
            color: rgba(244, 249, 247, .72);
            font-size: 15px;
            line-height: 1.6;
            transition: var(--transition);
            display: inline-flex;
            padding: 3px 0;
        }

        .footer-list a:hover {
            color: var(--amber);
            transform: translateX(4px);
        }

        .footer-contact p {
            font-size: 15px;
            line-height: 1.7;
            color: rgba(244, 249, 247, .66);
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(244, 249, 247, .58);
            font-size: 14px;
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .page-hero {
                min-height: 380px;
                padding: 140px 0 44px;
            }

            .hero-title-wrap p {
                font-size: 17px;
            }

            .path-map {
                grid-template-columns: repeat(2, 1fr);
            }

            .path-item::after {
                display: none;
            }

            .check-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .scene-content p {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 72px 0;
            }

            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .header-inner {
                min-height: 60px;
            }

            .brand-text {
                font-size: 16px;
            }

            .main-nav .nav-link {
                font-size: 15px;
            }

            .page-hero {
                min-height: 320px;
                padding: 116px 0 38px;
            }

            .breadcrumb {
                font-size: 13px;
            }

            .scene-grid {
                grid-template-columns: 1fr;
            }

            .scene-content,
            .scene-card {
                min-height: 240px;
            }

            .scene-content {
                padding: 24px 20px 20px;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-actions {
                max-width: 100%;
            }

            .faq-panel {
                padding: 22px 20px;
            }

            .site-footer .container .footer-top {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .footer-list a {
                padding: 5px 0;
            }

            .route-panel {
                padding: 24px;
            }

            .path-item {
                min-height: auto;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-bottom span {
                display: inline-block;
            }
        }

        @media (max-width: 640px) {
            body {
                font-size: 16px;
            }

            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .header-inner {
                gap: 8px;
            }

            .brand-mark {
                height: 30px;
            }

            .brand-text {
                font-size: 15px;
                max-width: 220px;
                white-space: normal;
                line-height: 1.3;
            }

            .nav-actions .btn-nav {
                display: none;
            }

            .hero-title-wrap h1 {
                font-size: clamp(2.1rem, 10vw, 3.2rem);
            }

            .hero-title-wrap p {
                font-size: 16px;
                line-height: 1.7;
            }

            .hero-actions .btn {
                width: 100%;
                max-width: none;
            }

            .section-head {
                margin-bottom: 32px;
            }

            .intro-vlist li {
                grid-template-columns: 46px 1fr;
                gap: 10px;
            }

            .path-map {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .route-panel {
                padding: 18px;
            }

            .check-list {
                grid-template-columns: 1fr;
            }

            .scene-content {
                min-height: 230px;
            }

            .scene-icon {
                top: -2px;
                right: 16px;
            }

            .faq-accordion .accordion-title {
                font-size: 16px;
                padding: 20px 48px 20px 0;
            }

            .faq-accordion .accordion-content {
                padding: 20px 0 !important;
                font-size: 15px;
            }

            .faq-panel {
                padding: 16px 16px 6px;
                border-radius: 20px;
            }

            .mobile-menu {
                top: 56px;
                left: 10px;
                right: 10px;
                border-radius: 20px;
            }

            .mobile-menu nav a {
                line-height: 48px;
                padding-top: 0;
                padding-bottom: 0;
                font-size: 17px;
            }

            .cta-section {
                padding: 64px 0;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .site-footer .container .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                align-items: flex-start;
                text-align: left;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
                scroll-behavior: auto !important;
            }
        }