/* roulang page: index */
:root {
    --primary: #0F766E;
    --primary-dark: #134E4A;
    --primary-light: #2E8B7A;
    --primary-gradient: linear-gradient(135deg, #0F766E, #2E8B7A, #369B87);
    --accent: #C8963E;
    --accent-light: #E2C078;
    --bg: #F7F4EB;
    --dark-panel: #14302B;
    --text: #334E4A;
    --text-light: #6B8A85;
    --text-white: rgba(255, 255, 255, 0.92);
    --border: rgba(15, 118, 110, 0.15);
    --radius-lg: 24px;
    --radius-md: 12px;
    --radius-pill: 999px;
    --shadow: 0 8px 24px rgba(15, 118, 110, 0.08);
    --shadow-lg: 0 16px 40px rgba(15, 118, 110, 0.16);
    --container: 1200px;
    --section-gap: 6rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
}

a:hover {
    color: var(--primary-light);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 640px) {
    .container {
        padding: 0 20px;
    }
}

.section-spacing {
    padding-top: var(--section-gap);
    padding-bottom: var(--section-gap);
}

@media (max-width: 768px) {
    :root {
        --section-gap: 3.5rem;
    }
}

/* 导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(15, 118, 110, 0.08);
    box-shadow: 0 4px 20px rgba(15, 118, 110, 0.04);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 20px;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
    box-shadow: 0 0 0 4px rgba(200, 150, 62, 0.18);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    padding: 8px 4px;
    position: relative;
    white-space: nowrap;
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width .25s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary);
    font-weight: 700;
}

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

.new-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(200, 150, 62, 0.14);
    color: #A8762A;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    white-space: nowrap;
}

.new-tag::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .5; transform: scale(1.4); }
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: center;
    background: rgba(15, 118, 110, 0.06);
    color: var(--primary);
}

.nav-toggle:hover {
    background: rgba(15, 118, 110, 0.12);
}

.mobile-menu {
    display: none;
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 16px 24px 20px;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid rgba(15, 118, 110, 0.06);
}

.mobile-menu a:last-child {
    border-bottom: none;
}

.mobile-menu a.active {
    color: var(--primary);
    font-weight: 700;
}

.mobile-menu .btn-primary {
    margin-top: 14px;
    justify-content: center;
}

@media (max-width: 1024px) {
    .nav-links {
        gap: 20px;
    }
    .new-tag {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .nav-actions .btn-primary,
    .nav-actions .new-tag {
        display: none;
    }
    .nav-toggle {
        display: inline-flex;
    }
}

/* 按钮 */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--primary-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.22);
    transition: all .25s ease;
    border: none;
    white-space: nowrap;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0d635c, #2c7d6e, #328b77);
    box-shadow: 0 12px 28px rgba(15, 118, 110, 0.3);
    transform: translateY(-1px);
    color: #fff;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 6px 14px rgba(15, 118, 110, 0.2);
}

.btn-primary:focus-visible,
.btn-secondary:focus-visible {
    outline: 3px solid rgba(15, 118, 110, 0.35);
    outline-offset: 2px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    border: 2px solid rgba(255, 255, 255, 0.55);
    transition: all .25s ease;
    backdrop-filter: blur(8px);
    white-space: nowrap;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    background: rgba(255, 255, 255, 0.12);
}

.btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: #14302B;
    font-weight: 800;
    font-size: 16px;
    padding: 14px 36px;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(200, 150, 62, 0.3);
    transition: all .25s ease;
    border: none;
}

.btn-gold:hover {
    background: var(--accent-light);
    color: #14302B;
    box-shadow: 0 12px 30px rgba(200, 150, 62, 0.4);
    transform: translateY(-1px);
}

/* Hero */
.hero {
    position: relative;
    background-image: linear-gradient(100deg, rgba(13, 42, 38, 0.92) 0%, rgba(18, 58, 52, 0.82) 45%, rgba(15, 76, 68, 0.72) 100%), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    padding: 110px 0 100px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -60%;
    right: -10%;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(200, 150, 62, 0.22), transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.hero h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: 0.02em;
    margin-bottom: 22px;
    color: #fff;
}

.hero p {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 52px;
}

.hero-data {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.data-badge {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 18px 26px;
    min-width: 140px;
    display: flex;
    flex-direction: column;
    transition: all .25s ease;
}

.data-badge:hover {
    border-color: rgba(200, 150, 62, 0.5);
    transform: translateY(-2px);
}

.data-badge .num {
    font-size: 30px;
    font-weight: 800;
    color: var(--accent-light);
    line-height: 1.2;
    letter-spacing: 0.02em;
}

.data-badge .label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 4px;
}

@media (max-width: 768px) {
    .hero {
        background-attachment: scroll;
        padding: 72px 0 64px;
    }
    .hero h1 {
        font-size: 32px;
    }
    .hero p {
        font-size: 16px;
    }
    .hero-actions {
        gap: 12px;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: calc(50% - 6px);
        padding: 12px 18px;
        font-size: 14px;
    }
    .data-badge {
        min-width: calc(33.33% - 12px);
        padding: 14px 12px;
        text-align: center;
    }
    .data-badge .num {
        font-size: 22px;
    }
}

/* 区块标题 */
.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

.section-head h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 0.02em;
    line-height: 1.3;
    margin-bottom: 12px;
}

.section-head p {
    font-size: 16px;
    color: var(--text-light);
}

@media (max-width: 640px) {
    .section-head h2 {
        font-size: 26px;
    }
}

/* 权益对比表 */
.compare-section {
    background: #fff;
}

.compare-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.compare-table {
    width: 100%;
    min-width: 780px;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.compare-table thead th {
    background: var(--primary-dark);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    padding: 22px 20px;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.compare-table thead th:last-child {
    border-right: none;
}

.compare-table tbody td {
    padding: 22px 20px;
    text-align: center;
    font-size: 15px;
    border-bottom: 1px solid rgba(15, 118, 110, 0.08);
    border-right: 1px solid rgba(15, 118, 110, 0.06);
    vertical-align: middle;
}

.compare-table tbody td:last-child {
    border-right: none;
}

.compare-table tbody tr:last-child td {
    border-bottom: none;
}

.compare-table .row-recommend {
    background: linear-gradient(180deg, rgba(255, 248, 230, 0.8), rgba(255, 244, 215, 0.5));
    border: 2px solid var(--accent) !important;
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(200, 150, 62, 0.3);
}

.compare-table .row-recommend td {
    border-bottom-color: rgba(200, 150, 62, 0.14);
}

.level-name {
    font-weight: 800;
    font-size: 17px;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.level-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.recommend-tag {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: var(--radius-pill);
    margin-top: 6px;
}

.benefit-list {
    text-align: left;
    list-style: none;
    display: inline-block;
    min-width: 180px;
}

.benefit-list li {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text);
    padding-left: 18px;
    position: relative;
}

.benefit-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

.status-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    white-space: nowrap;
}

.status-open {
    background: rgba(15, 118, 110, 0.1);
    color: var(--primary);
}

.status-soon {
    background: rgba(200, 150, 62, 0.14);
    color: #A8762A;
}

/* 等级亮点 */
.level-highlight-section {
    background: var(--bg);
}

.level-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    max-width: 1000px;
    margin: 0 auto;
}

.level-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 34px 32px;
    position: relative;
    transition: all .3s ease;
    border: 1px solid rgba(15, 118, 110, 0.06);
}

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

.level-card .card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.level-card .level-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-dark);
}

.level-card .level-desc {
    font-size: 15px;
    color: var(--text-light);
    margin-top: 6px;
}

.level-card ul {
    list-style: none;
    margin-top: 18px;
}

.level-card ul li {
    font-size: 15px;
    color: var(--text);
    padding: 6px 0 6px 26px;
    position: relative;
}

.level-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 6px;
    color: var(--primary);
    font-weight: 700;
}

.card-badge {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: #fff;
    border-radius: 20px;
    min-width: 64px;
    padding: 10px 12px;
    text-align: center;
    box-shadow: 0 8px 18px rgba(15, 118, 110, 0.2);
}

.card-badge .badge-num {
    font-size: 22px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--accent-light);
}

.card-badge .badge-label {
    font-size: 11px;
    opacity: 0.85;
}

.level-card.gold {
    border: 2px solid var(--accent);
    background: linear-gradient(165deg, #fff 70%, rgba(255, 248, 230, 0.6) 100%);
    grid-column: auto;
}

.level-card.gold .card-badge {
    background: linear-gradient(135deg, #C8963E, #E2C078);
    box-shadow: 0 8px 18px rgba(200, 150, 62, 0.3);
}

.level-card.gold .card-badge .badge-num {
    color: #fff;
}

.level-card.gold .level-title {
    color: #A8762A;
}

@media (max-width: 768px) {
    .level-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .level-card {
        padding: 28px 24px;
    }
}

/* 专属内容预览 */
.preview-section {
    background: #fff;
}

.preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    max-width: 1040px;
    margin: 0 auto;
}

.preview-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 280px;
    transition: transform .45s ease;
}

.preview-image:hover img {
    transform: scale(1.03);
}

.preview-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(20, 48, 43, 0.45));
}

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

.preview-list li {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid rgba(15, 118, 110, 0.08);
}

.preview-list li:last-child {
    border-bottom: none;
}

.preview-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 14px;
    background: rgba(15, 118, 110, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 18px;
}

.preview-list h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.preview-list p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .preview-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .preview-image img {
        min-height: 220px;
    }
}

/* CMS 最新信息 */
.latest-section {
    background: var(--bg);
}

.cms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: var(--container);
    margin: 0 auto;
}

.cms-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all .3s ease;
    border: 1px solid rgba(15, 118, 110, 0.06);
    color: var(--text);
}

.cms-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    color: var(--text);
}

.cms-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--primary-dark);
}

.cms-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.cms-card:hover .cms-thumb img {
    transform: scale(1.05);
}

.cms-body {
    padding: 22px 22px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.cms-tag {
    display: inline-block;
    align-self: flex-start;
    background: rgba(15, 118, 110, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 12px;
}

.cms-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s;
}

.cms-card:hover .cms-body h3 {
    color: var(--primary);
}

.cms-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
    flex: 1;
}

.cms-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: #9AAEA9;
}

.cms-meta time::before {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    vertical-align: -2px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239AAEA9' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z'/%3E%3C/svg%3E");
    background-size: contain;
}

.cms-card .cms-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    gap: 2px;
}

.cms-card .cms-link::after {
    content: "→";
    transition: transform .2s;
}

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

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 56px 24px;
}

.empty-state p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.empty-state .btn-secondary {
    color: var(--primary);
    border-color: var(--border);
    background: transparent;
}

.empty-state .btn-secondary:hover {
    border-color: var(--accent);
    color: #A8762A;
}

@media (max-width: 1024px) {
    .cms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* FAQ */
.faq-section {
    background: #fff;
}

.faq-list {
    max-width: 780px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg);
    border-radius: 20px;
    margin-bottom: 16px;
    overflow: hidden;
    border: 1px solid rgba(15, 118, 110, 0.08);
    transition: box-shadow .25s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    min-height: 56px;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    text-align: left;
    transition: background .2s;
}

.faq-question .q-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(200, 150, 62, 0.16);
    color: #A8762A;
    font-size: 14px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.faq-question .arrow {
    margin-left: auto;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    color: var(--text-light);
    transition: transform .3s ease;
}

.faq-question.active .arrow {
    transform: rotate(45deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
}

.faq-answer .inner {
    padding: 0 24px 22px 72px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text);
    border-top: 2px solid var(--primary);
}

.faq-answer.open {
    max-height: 400px;
}

@media (max-width: 640px) {
    .faq-question {
        padding: 16px 18px;
        font-size: 15px;
    }
    .faq-answer .inner {
        padding: 0 18px 18px 50px;
    }
}

/* CTA */
.cta-section {
    position: relative;
    background: linear-gradient(120deg, #0F766E, #134E4A);
    overflow: hidden;
    color: #fff;
}

.cta-section::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 150, 62, 0.22), transparent 65%);
    bottom: -60%;
    left: -5%;
}

.cta-section::after {
    content: "";
    position: absolute;
    width: 200px;
    height: 200px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transform: rotate(45deg);
    top: -80px;
    right: 60px;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.cta-text h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 0.02em;
}

.cta-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 640px) {
    .cta-inner {
        flex-direction: column;
        text-align: center;
        justify-content: center;
    }
    .cta-text h2 {
        font-size: 24px;
    }
}

/* 页脚 */
.site-footer {
    background: var(--dark-panel);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 64px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 0.8fr 0.8fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.6);
    max-width: 340px;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
}

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

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

.footer-col ul a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: all .2s;
}

.footer-col ul a:hover {
    color: var(--accent-light);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact .ico {
    color: var(--accent);
    font-size: 15px;
}

.footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a:hover {
    color: #fff;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* roulang page: article */
:root {
        --primary: #0F766E;
        --primary-light: #2E8B7A;
        --primary-lighter: #369B87;
        --accent: #C8963E;
        --bg: #F7F4EB;
        --dark: #14302B;
        --text: #334E4A;
        --text-light: #6B7D78;
        --border: rgba(15, 118, 110, 0.14);
        --radius-lg: 22px;
        --radius-md: 14px;
        --radius-sm: 10px;
        --shadow-card: 0 8px 24px rgba(15, 118, 110, 0.08);
        --shadow-hover: 0 16px 40px rgba(15, 118, 110, 0.16);
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.75;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease;
    }
    a:hover {
        color: var(--primary);
    }
    img {
        max-width: 100%;
        display: block;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .site-header {
        position: sticky;
        top: 0;
        z-index: 50;
        background: rgba(255, 255, 255, .92);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(15, 118, 110, .10);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 20px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        color: #fff;
        font-size: 18px;
        box-shadow: 0 4px 14px rgba(15, 118, 110, .25);
    }
    .logo-text {
        font-size: 19px;
        font-weight: 800;
        color: var(--dark);
        letter-spacing: .02em;
        line-height: 1.2;
    }
    .logo-text small {
        display: block;
        font-size: 11px;
        font-weight: 500;
        color: var(--primary);
        letter-spacing: .06em;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-links a {
        padding: 8px 18px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text);
        transition: all .22s ease;
    }
    .nav-links a:hover {
        color: var(--primary);
        background: rgba(15, 118, 110, .06);
    }
    .nav-links a.active {
        color: #fff;
        background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
        box-shadow: 0 4px 14px rgba(15, 118, 110, .22);
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: 12px;
        font-weight: 600;
        cursor: pointer;
        transition: all .22s ease;
        border: 1px solid transparent;
        line-height: 1;
    }
    .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
        color: #fff;
        padding: 12px 28px;
        box-shadow: 0 6px 18px rgba(15, 118, 110, .25);
    }
    .btn-primary:hover {
        background: linear-gradient(135deg, var(--primary-light), var(--primary-lighter));
        transform: translateY(-2px);
        box-shadow: 0 10px 28px rgba(15, 118, 110, .3);
    }
    .btn-outline {
        background: transparent;
        border: 1.5px solid rgba(15, 118, 110, .35);
        color: var(--primary);
        padding: 11px 26px;
    }
    .btn-outline:hover {
        border-color: var(--accent);
        color: var(--primary);
        background: rgba(200, 150, 62, .06);
        transform: translateY(-2px);
    }
    .btn-sm {
        padding: 9px 20px;
        font-size: 14px;
        border-radius: 10px;
    }
    .btn-gold {
        background: linear-gradient(135deg, var(--accent), #e0ae5f);
        color: var(--dark);
        padding: 12px 32px;
        font-weight: 700;
        box-shadow: 0 6px 20px rgba(200, 150, 62, .35);
    }
    .btn-gold:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(200, 150, 62, .42);
        color: var(--dark);
    }
    .badge-status {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        background: rgba(200, 150, 62, .14);
        color: var(--accent);
        border: 1px solid rgba(200, 150, 62, .3);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        letter-spacing: .04em;
    }
    .nav-toggle {
        display: none;
        background: none;
        border: 1px solid var(--border);
        border-radius: 10px;
        width: 44px;
        height: 44px;
        font-size: 20px;
        cursor: pointer;
        color: var(--primary);
        align-items: center;
        justify-content: center;
        transition: background .2s;
    }
    .nav-toggle:hover {
        background: rgba(15, 118, 110, .06);
    }
    @media (max-width: 900px) {
        .nav-links {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            padding: 16px 24px 24px;
            gap: 4px;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 20px 40px rgba(20, 48, 43, .1);
            transform: translateY(-130%);
            transition: transform .3s ease;
            z-index: 49;
            border-radius: 0 0 20px 20px;
        }
        .nav-links.open {
            transform: translateY(0);
        }
        .nav-links a {
            display: block;
            text-align: center;
            padding: 12px 16px;
            font-size: 16px;
        }
        .nav-toggle {
            display: flex;
        }
        .header-actions .badge-status {
            display: none;
        }
    }
    @media (max-width: 520px) {
        .header-inner {
            height: 64px;
        }
        .logo-text {
            font-size: 16px;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 15px;
        }
        .header-actions .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
        }
    }

    .page-hero {
        background: linear-gradient(135deg, rgba(15, 118, 110, .95), rgba(20, 48, 43, .9)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        padding: 56px 0 60px;
        color: #fff;
    }
    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, .75);
        margin-bottom: 20px;
    }
    .breadcrumb a {
        color: rgba(255, 255, 255, .85);
    }
    .breadcrumb a:hover {
        color: #fff;
        text-decoration: underline;
    }
    .breadcrumb .sep {
        opacity: .6;
    }
    .page-hero h1 {
        font-size: clamp(28px, 4vw, 38px);
        font-weight: 800;
        line-height: 1.3;
        color: #fff;
        letter-spacing: .02em;
        max-width: 800px;
        margin-bottom: 14px;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        align-items: center;
        font-size: 14px;
        color: rgba(255, 255, 255, .7);
    }
    .article-meta .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 255, 255, .1);
        padding: 4px 12px;
        border-radius: 999px;
        backdrop-filter: blur(4px);
    }
    .article-meta .meta-item strong {
        color: #fff;
        font-weight: 600;
    }

    .article-main {
        padding: 50px 0 30px;
    }
    .article-layout {
        display: flex;
        gap: 48px;
        align-items: flex-start;
    }
    .article-body-wrap {
        max-width: 720px;
        margin: 0 auto;
        width: 100%;
        background: #fff;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 48px 56px;
    }
    .article-body {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text);
    }
    .article-body p {
        margin-bottom: 1.5em;
        text-align: justify;
    }
    .article-body h2 {
        font-size: 24px;
        font-weight: 700;
        color: var(--dark);
        margin: 2em 0 .8em;
        padding-bottom: .3em;
        border-bottom: 2px solid rgba(15, 118, 110, .12);
        letter-spacing: .02em;
    }
    .article-body h3 {
        font-size: 20px;
        font-weight: 600;
        color: var(--dark);
        margin: 1.8em 0 .6em;
    }
    .article-body ul,
    .article-body ol {
        padding-left: 1.4em;
        margin-bottom: 1.5em;
    }
    .article-body li {
        margin-bottom: .6em;
    }
    .article-body blockquote {
        border-left: 4px solid var(--accent);
        background: var(--bg);
        padding: 18px 24px;
        margin: 1.8em 0;
        border-radius: 0 12px 12px 0;
        color: var(--dark);
        font-style: normal;
    }
    .article-body img {
        border-radius: 16px;
        margin: 1.8em auto;
        max-width: 100%;
        height: auto;
    }
    .article-body img+em,
    .article-body img+figcaption {
        display: block;
        text-align: center;
        font-size: 13px;
        color: var(--text-light);
        margin-top: -1em;
        margin-bottom: 1.8em;
    }
    .article-body a {
        color: var(--primary);
        text-decoration: underline;
        text-underline-offset: 3px;
    }
    .article-body a:hover {
        color: var(--accent);
    }
    .article-body hr {
        border: none;
        border-top: 1px solid rgba(15, 118, 110, .1);
        margin: 2em 0;
    }

    .article-footer-line {
        margin-top: 36px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 14px;
    }
    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .article-tags span {
        background: rgba(15, 118, 110, .08);
        color: var(--primary);
        font-size: 13px;
        font-weight: 500;
        padding: 5px 14px;
        border-radius: 999px;
    }
    .back-home {
        font-size: 14px;
        font-weight: 500;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: color .2s;
    }
    .back-home:hover {
        color: var(--accent);
    }

    .not-found-box {
        max-width: 640px;
        margin: 0 auto;
        background: #fff;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 60px 40px;
        text-align: center;
    }
    .not-found-box .nf-code {
        font-size: 72px;
        font-weight: 800;
        color: var(--primary);
        line-height: 1;
        margin-bottom: 12px;
    }
    .not-found-box h1 {
        font-size: 26px;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 10px;
    }
    .not-found-box p {
        color: var(--text-light);
        margin-bottom: 26px;
    }

    .related-section {
        padding: 50px 0 70px;
    }
    .related-section .section-head {
        text-align: center;
        margin-bottom: 36px;
    }
    .related-section .section-head h2 {
        font-size: 28px;
        font-weight: 700;
        color: var(--dark);
        position: relative;
        display: inline-block;
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .related-card {
        background: #fff;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: all .3s ease;
        display: flex;
        flex-direction: column;
    }
    .related-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }
    .related-card .card-img {
        aspect-ratio: 16 / 9;
        overflow: hidden;
    }
    .related-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .45s ease;
    }
    .related-card:hover .card-img img {
        transform: scale(1.05);
    }
    .related-card .card-body {
        padding: 20px 22px 22px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .related-card .card-body h3 {
        font-size: 17px;
        font-weight: 600;
        color: var(--dark);
        line-height: 1.5;
        margin-bottom: 8px;
        transition: color .2s;
    }
    .related-card .card-body h3:hover {
        color: var(--primary);
    }
    .related-card .card-body p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.65;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .related-card .card-foot {
        margin-top: auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: var(--text-light);
    }
    .related-card .card-foot a {
        color: var(--primary);
        font-weight: 500;
    }

    .site-footer {
        background: var(--dark);
        color: rgba(255, 255, 255, .8);
        padding: 64px 0 0;
        margin-top: 20px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 44px;
    }
    .footer-brand h3 {
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
        letter-spacing: .02em;
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255, 255, 255, .6);
        max-width: 320px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: .04em;
    }
    .footer-col ul {
        list-style: none;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul a {
        color: rgba(255, 255, 255, .65);
        font-size: 14px;
        transition: color .2s;
    }
    .footer-col ul a:hover {
        color: var(--accent);
    }
    .footer-contact p {
        font-size: 14px;
        color: rgba(255, 255, 255, .65);
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-contact .ico {
        color: var(--accent);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .08);
        padding: 20px 0;
        text-align: center;
    }
    .footer-bottom p {
        font-size: 12px;
        color: rgba(255, 255, 255, .4);
    }
    @media (max-width: 900px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 640px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .article-body-wrap {
            padding: 32px 22px;
            border-radius: 16px;
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .page-hero {
            padding: 40px 0 44px;
        }
    }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
  :root {
    --primary: #0F766E;
    --primary-light: #2E8B7A;
    --primary-lighter: #369B87;
    --accent: #C8963E;
    --accent-light: #E5C07B;
    --cream: #F7F4EB;
    --dark-green: #14302B;
    --body: #334E4A;
    --card-bg: #ffffff;
    --border: rgba(15, 118, 110, 0.15);
    --radius-card: 22px;
    --radius-btn: 12px;
    --radius-badge: 999px;
    --shadow-card: 0 8px 24px rgba(15, 118, 110, 0.08);
    --shadow-card-hover: 0 16px 40px rgba(15, 118, 110, 0.16);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--cream);
    color: var(--body);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
  a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
  img { max-width: 100%; height: auto; display: block; }

  /* ===== 导航 ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
  .logo-text { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: 0.02em; white-space: nowrap; }
  .logo-text span { color: var(--accent); }
  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-links a { font-size: 15px; color: var(--body); font-weight: 500; position: relative; padding: 6px 2px; white-space: nowrap; }
  .nav-links a:hover { color: var(--primary); }
  .nav-links a.active { color: var(--primary); font-weight: 600; }
  .nav-links a.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
  }
  .header-cta { display: flex; align-items: center; gap: 12px; }
  .btn-primary {
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
    color: #fff; font-size: 15px; font-weight: 600;
    padding: 10px 24px; border-radius: var(--radius-btn); border: none;
    cursor: pointer; transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(15,118,110,0.25); white-space: nowrap;
  }
  .btn-primary:hover { background: linear-gradient(135deg, #0d6b64, #2c7d6e); box-shadow: 0 6px 20px rgba(15,118,110,0.35); transform: translateY(-2px); }
  .btn-outline {
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent; color: var(--primary); font-size: 15px; font-weight: 600;
    padding: 10px 24px; border-radius: var(--radius-btn);
    border: 1.5px solid var(--primary); cursor: pointer; transition: all 0.3s ease; white-space: nowrap;
  }
  .btn-outline:hover { border-color: var(--accent); background: rgba(200,150,62,0.08); }
  .badge-new {
    background: linear-gradient(135deg, var(--accent), #e0b061);
    color: var(--dark-green); font-size: 12px; font-weight: 700;
    padding: 4px 10px; border-radius: var(--radius-badge); letter-spacing: 0.02em; white-space: nowrap;
  }
  .hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
  .hamburger span { width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: all 0.3s; }
  .mobile-nav { display: none; background: #fff; border-top: 1px solid var(--border); padding: 16px 24px; }
  .mobile-nav.open { display: block; }
  .mobile-nav a { display: block; padding: 12px 0; font-size: 16px; font-weight: 500; color: var(--body); border-bottom: 1px solid rgba(15,118,110,0.08); }
  .mobile-nav a.active { color: var(--primary); font-weight: 600; }

  /* ===== 分类页 Hero ===== */
  .category-hero {
    position: relative;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 96px 0 72px;
  }
  .category-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(120deg, rgba(20,48,43,0.92) 20%, rgba(15,118,110,0.75) 60%, rgba(20,48,43,0.55) 100%);
  }
  .category-hero .container { position: relative; z-index: 2; }
  .hero-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 20px; flex-wrap: wrap; }
  .hero-breadcrumb a:hover { color: var(--accent-light); }
  .hero-breadcrumb .sep { opacity: 0.5; }
  .category-hero h1 { font-size: 40px; font-weight: 800; color: #fff; line-height: 1.3; letter-spacing: 0.02em; margin-bottom: 16px; }
  .category-hero h1 span.brand { color: var(--accent-light); }
  .category-hero .subtitle { font-size: 17px; color: rgba(255,255,255,0.88); max-width: 620px; line-height: 1.7; }
  .hero-stats { display: flex; gap: 24px; margin-top: 36px; flex-wrap: wrap; }
  .stat-badge {
    background: rgba(20,48,43,0.65);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 16px 24px;
    display: flex; flex-direction: column; gap: 4px;
    min-width: 140px;
  }
  .stat-badge .num { font-size: 32px; font-weight: 800; color: var(--accent); line-height: 1.2; }
  .stat-badge .label { font-size: 14px; color: rgba(255,255,255,0.85); }

  /* ===== 通用区块 ===== */
  .section { padding: 72px 0; }
  .section-alt { background: #fff; }
  .section-title-wrap { max-width: 720px; margin-bottom: 48px; }
  .section-title { font-size: 30px; font-weight: 700; color: var(--dark-green); letter-spacing: 0.02em; line-height: 1.35; margin-bottom: 14px; }
  .section-title span { color: var(--primary); }
  .section-subtitle { font-size: 16px; color: var(--body); line-height: 1.7; }
  .section-tag {
    display: inline-flex; align-items: center;
    background: rgba(15,118,110,0.08); color: var(--primary);
    font-size: 13px; font-weight: 600;
    padding: 6px 16px; border-radius: var(--radius-badge);
    margin-bottom: 16px; border: 1px solid rgba(15,118,110,0.15);
  }

  /* ===== 等级卡片 ===== */
  .level-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .level-card {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(15,118,110,0.06);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .level-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--primary); opacity: 0.6; }
  .level-card.featured { border-color: var(--accent); border-width: 2px; box-shadow: 0 8px 30px rgba(200,150,62,0.15); }
  .level-card.featured::before { background: linear-gradient(90deg, var(--accent), var(--accent-light)); height: 5px; opacity: 1; }
  .level-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
  .level-icon {
    width: 52px; height: 52px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-lighter)); color: #fff;
  }
  .level-card.featured .level-icon { background: linear-gradient(135deg, var(--accent), #e5c07b); color: var(--dark-green); }
  .level-card.level-elite .level-icon { background: linear-gradient(135deg, #14302B, var(--primary)); }
  .level-card.level-bronze .level-icon { background: linear-gradient(135deg, #8B6F4E, #C8963E); }
  .level-name { font-size: 18px; font-weight: 700; color: var(--dark-green); margin-bottom: 4px; }
  .level-desc { font-size: 14px; color: var(--body); line-height: 1.6; margin-bottom: 16px; }
  .level-features { list-style: none; padding: 0; margin: 0 0 20px; }
  .level-features li { font-size: 14px; color: var(--body); padding: 4px 0; position: relative; padding-left: 20px; }
  .level-features li::before { content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: 700; font-size: 13px; }
  .level-features li.highlight { color: var(--primary); font-weight: 600; }
  .level-features li.gold { color: var(--accent); font-weight: 600; }
  .level-tag {
    display: inline-block;
    font-size: 12px; font-weight: 700;
    padding: 3px 12px;
    border-radius: var(--radius-badge);
    background: rgba(15,118,110,0.08);
    color: var(--primary);
    margin-bottom: 10px;
  }
  .level-card.featured .level-tag { background: rgba(200,150,62,0.12); color: var(--accent); }

  /* ===== 权益细则 ===== */
  .benefits-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
  .benefits-image { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); position: relative; }
  .benefits-image img { width: 100%; height: 100%; object-fit: cover; min-height: 380px; }
  .benefits-image .img-caption {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: rgba(20,48,43,0.78);
    backdrop-filter: blur(4px);
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    padding: 12px 20px;
    text-align: center;
  }
  .benefit-list { list-style: none; padding: 0; margin: 0; }
  .benefit-item { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--border); }
  .benefit-item:last-child { border-bottom: none; }
  .benefit-icon {
    width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px;
    background: rgba(15,118,110,0.08);
    display: flex; align-items: center; justify-content: center;
    font-size: 19px; color: var(--primary);
  }
  .benefit-content h3 { font-size: 17px; font-weight: 600; color: var(--dark-green); margin-bottom: 4px; }
  .benefit-content p { font-size: 14px; color: var(--body); line-height: 1.65; }

  /* ===== 开通流程 ===== */
  .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .step-card {
    background: var(--card-bg);
    border-radius: var(--radius-card);
    padding: 36px 28px;
    box-shadow: var(--shadow-card);
    text-align: center;
    border: 1px solid rgba(15,118,110,0.06);
    transition: all 0.3s ease;
    position: relative;
  }
  .step-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
  .step-num {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
    color: #fff; font-size: 20px; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px;
  }
  .step-card h3 { font-size: 18px; font-weight: 600; color: var(--dark-green); margin-bottom: 10px; }
  .step-card p { font-size: 14px; color: var(--body); line-height: 1.65; }
  .step-arrow {
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 24px;
    z-index: 2;
    background: transparent;
  }

  /* ===== 站内相关跳转 ===== */
  .related-section { background: var(--dark-green); padding: 64px 0; }
  .related-section .section-title { color: #fff; }
  .related-section .section-subtitle { color: rgba(255,255,255,0.7); }
  .related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .related-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    padding: 26px 22px;
    transition: all 0.3s ease;
  }
  .related-card:hover { background: rgba(255,255,255,0.10); transform: translateY(-3px); }
  .related-card h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 6px; }
  .related-card p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.5; }
  .related-card .arrow { color: var(--accent-light); font-size: 13px; margin-top: 12px; display: inline-block; font-weight: 600; }

  /* ===== CTA ===== */
  .cta-section {
    padding: 72px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark-green) 100%);
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute; top: -60px; right: -20px;
    width: 200px; height: 200px;
    border: 2px solid rgba(200,150,62,0.3); border-radius: 50%; z-index: 1;
  }
  .cta-section::after {
    content: '';
    position: absolute; bottom: -80px; left: -40px;
    width: 260px; height: 260px;
    border: 2px solid rgba(255,255,255,0.08); border-radius: 50%; z-index: 1;
  }
  .cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
  .cta-content h2 { font-size: 30px; font-weight: 700; color: #fff; margin-bottom: 10px; }
  .cta-content p { font-size: 16px; color: rgba(255,255,255,0.85); max-width: 560px; }
  .btn-accent {
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--accent), #e5c07b);
    color: var(--dark-green); font-size: 16px; font-weight: 700;
    padding: 14px 36px; border-radius: var(--radius-btn); border: none;
    cursor: pointer; transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(200,150,62,0.35); white-space: nowrap;
  }
  .btn-accent:hover { box-shadow: 0 8px 24px rgba(200,150,62,0.5); transform: translateY(-2px); }

  /* ===== 页脚 ===== */
  .site-footer { background: var(--dark-green); color: rgba(255,255,255,0.85); padding: 64px 0 0; }
  .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
  .footer-brand h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 12px; }
  .footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); }
  .footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
  .footer-col ul { list-style: none; padding: 0; margin: 0; }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: all 0.3s; }
  .footer-col ul li a:hover { color: var(--accent-light); }
  .footer-contact p { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
  .footer-contact .ico { color: var(--accent); font-style: normal; }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; }
  .footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.5); }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .level-grid { grid-template-columns: repeat(2, 1fr); }
    .benefits-layout { grid-template-columns: 1fr; gap: 28px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .step-arrow { display: none; }
  }
  @media (max-width: 768px) {
    .nav-links, .header-cta .btn-primary, .badge-new { display: none; }
    .hamburger { display: flex; }
    .header-cta .btn-primary.mobile-show { display: inline-flex; font-size: 14px; padding: 8px 18px; }
    .category-hero { padding: 64px 0 44px; }
    .category-hero h1 { font-size: 28px; }
    .hero-stats { gap: 12px; }
    .stat-badge { padding: 12px 16px; min-width: 100px; }
    .stat-badge .num { font-size: 24px; }
    .section { padding: 48px 0; }
    .section-title { font-size: 24px; }
    .steps-grid { grid-template-columns: 1fr; }
    .cta-inner { flex-direction: column; text-align: center; }
    .cta-content p { margin: 0 auto; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  }
  @media (max-width: 520px) {
    .container { padding: 0 20px; }
    .level-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .category-hero h1 { font-size: 24px; }
    .hero-stats { flex-direction: column; }
    .stat-badge { width: 100%; }
    .section-title-wrap { margin-bottom: 32px; }
    .cta-section { padding: 56px 0; }
    .cta-content h2 { font-size: 24px; }
    .btn-accent { width: 100%; }
  }

/* roulang page: category1 */
:root {
  --primary: #0F766E;
  --primary-light: #2E8B7A;
  --primary-dark: #14302B;
  --accent: #C8963E;
  --accent-light: #E8C47C;
  --bg: #F7F4EB;
  --bg-light: #FBF9F3;
  --text: #334E4A;
  --text-light: #6B7F7B;
  --white: #ffffff;
  --border: rgba(15, 118, 110, 0.14);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 24px rgba(15, 118, 110, 0.08);
  --shadow-hover: 0 16px 40px rgba(15, 118, 110, 0.16);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--primary-dark);
  letter-spacing: 0.02em;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
}
.logo-name { color: var(--primary-dark); }
.nav-links { display: flex; gap: 6px; }
.nav-links a {
  position: relative;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all 0.2s;
}
.nav-links a:hover { color: var(--primary); background: rgba(15, 118, 110, 0.06); }
.nav-links a.active { color: var(--primary); background: rgba(15, 118, 110, 0.1); font-weight: 600; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.tag-new {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  background: #FFF3E0;
  color: #B45309;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(200, 150, 62, 0.4);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--primary); border-radius: 2px; transition: transform 0.2s; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 4px 16px rgba(15, 118, 110, 0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0b5d57, #24806f);
  box-shadow: 0 8px 24px rgba(15, 118, 110, 0.35);
  transform: translateY(-2px);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.24); border-color: var(--accent); color: var(--accent-light); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { border-color: var(--accent); color: var(--primary); background: rgba(15, 118, 110, 0.05); transform: translateY(-2px); }
.btn-gold {
  background: linear-gradient(135deg, var(--accent), #E6C574);
  color: #2B1E09;
  box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #b9852f, #ddb966);
  box-shadow: 0 10px 28px rgba(200, 150, 62, 0.45);
  transform: translateY(-2px);
}
.btn-sm { padding: 8px 18px; font-size: 14px; border-radius: 10px; }
.btn-lg { padding: 14px 34px; font-size: 16px; border-radius: 14px; }
.btn:focus-visible, .nav-links a:focus-visible, .faq-question:focus-visible, .nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ========== Badges ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.badge-accent {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(4px);
}

/* ========== Section common ========== */
.block-section { padding: 96px 0; }
.block-section.bg-light { background: var(--bg-light); }
.dark-section {
  background: linear-gradient(135deg, var(--primary-dark), #1A3B34);
  color: rgba(255, 255, 255, 0.88);
}
.dark-section h2 { color: #fff; }
.text-center { text-align: center; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-tag::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  display: inline-block;
}
.section-tag-light { color: var(--accent-light); }
.section-tag-light::before { background: var(--accent-light); }
h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.lead { font-size: 16px; line-height: 1.8; color: var(--text-light); margin-bottom: 0; }
.dark-section .lead { color: rgba(255, 255, 255, 0.75); }

/* ========== Page Hero ========== */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center center;
  padding: 88px 0 96px;
  overflow: hidden;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(20, 48, 43, 0.92) 0%, rgba(15, 118, 110, 0.78) 50%, rgba(20, 48, 43, 0.65) 100%);
}
.page-hero-content { position: relative; z-index: 2; max-width: 760px; }
.page-hero-content h1 {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 42px;
  line-height: 1.18;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
  margin: 18px 0 20px;
}
.page-hero-content p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
}
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

/* ========== Figure ========== */
.figure-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: #fff;
}
.figure-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: transform 0.4s ease;
}
.figure-wrap:hover img { transform: scale(1.03); }

/* ========== Content side ========== */
.content-side h2 { margin-bottom: 16px; }
.content-side p { margin-bottom: 18px; font-size: 16px; color: var(--text); }

/* ========== Feature List ========== */
.feature-list { list-style: none; margin: 24px 0; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text);
}
.feat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: rgba(15, 118, 110, 0.12);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ========== Stat Badges ========== */
.stat-badges { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.badge-data {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 18px 24px;
  border-radius: var(--radius-md);
  background: var(--bg);
  border: 1px solid rgba(200, 150, 62, 0.35);
  box-shadow: var(--shadow-card);
}
.bd-num { font-size: 26px; font-weight: 800; color: var(--primary); letter-spacing: 0.02em; }
.bd-label { font-size: 13px; color: var(--text-light); }

/* ========== Dark Stats ========== */
.dark-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin: 40px 0 48px;
}
.dark-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 150px;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all 0.25s;
}
.dark-stat:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }
.dark-stat-num { font-size: 34px; font-weight: 800; color: var(--accent-light); letter-spacing: 0.02em; }
.dark-stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.72); }

/* ========== Tier List ========== */
.tier-list { display: flex; flex-direction: column; gap: 14px; max-width: 860px; margin: 0 auto; }
.tier-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.25s;
}
.tier-item:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }
.tier-item-highlight {
  border: 2px solid var(--accent);
  background: rgba(200, 150, 62, 0.14);
}
.tier-item-highlight:hover { background: rgba(200, 150, 62, 0.2); }
.tier-icon { font-size: 22px; color: var(--accent-light); flex-shrink: 0; }
.tier-item-highlight .tier-icon { color: var(--accent); }
.tier-info { flex: 1; }
.tier-info h3 { font-size: 18px; font-weight: 700; color: #fff; margin: 0 0 4px; }
.tier-info p { font-size: 14px; color: rgba(255, 255, 255, 0.7); margin: 0; line-height: 1.65; }
.tier-status {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  white-space: nowrap;
}
.tier-item-highlight .tier-status { background: var(--accent); color: #2B1E09; }

/* ========== Link Cards ========== */
.link-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.link-card {
  display: block;
  padding: 34px 30px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: all 0.25s;
}
.link-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: rgba(200, 150, 62, 0.4);
}
.link-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 20px;
  margin-bottom: 20px;
}
.link-card h3 { font-size: 20px; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
.link-card p { font-size: 14px; color: var(--text-light); margin-bottom: 20px; line-height: 1.7; }
.link-more { font-size: 14px; font-weight: 600; color: var(--primary); }

/* ========== FAQ ========== */
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow 0.25s;
}
.faq-item.open { box-shadow: var(--shadow-hover); border-color: rgba(200, 150, 62, 0.4); }
.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 22px;
  background: transparent;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-dark);
  min-height: 44px;
  transition: background 0.2s;
}
.faq-question:hover { background: rgba(15, 118, 110, 0.04); }
.faq-q-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--accent);
  color: #2B1E09;
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
}
.faq-q-text { flex: 1; }
.faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(15, 118, 110, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  transition: all 0.2s;
  flex-shrink: 0;
}
.faq-item.open .faq-toggle { background: var(--accent); color: #2B1E09; }
.faq-answer { display: none; padding: 0 22px 22px 66px; }
.faq-item.open .faq-answer { display: block; animation: fadeIn 0.25s ease; }
.faq-answer p { font-size: 15px; color: var(--text); line-height: 1.75; margin: 0; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== CTA ========== */
.cta-banner {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
  background: linear-gradient(135deg, #0F766E, #14302B);
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 150, 62, 0.25), transparent 70%);
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 10%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-inner h2 { color: #fff; font-size: 30px; font-weight: 700; margin-bottom: 8px; }
.cta-inner p { color: rgba(255, 255, 255, 0.8); font-size: 16px; }

/* ========== Footer ========== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.78);
  padding: 70px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand h3 { font-size: 18px; color: #fff; margin-bottom: 12px; font-weight: 700; }
.footer-brand p { font-size: 14px; line-height: 1.75; color: rgba(255, 255, 255, 0.62); }
.footer-col h4 { font-size: 15px; color: #fff; margin-bottom: 14px; font-weight: 600; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a, .footer-contact p { font-size: 14px; color: rgba(255, 255, 255, 0.6); transition: color 0.2s; }
.footer-col ul a:hover { color: var(--accent-light); }
.footer-contact p { margin-bottom: 6px; }
.ico { color: var(--accent); margin-right: 6px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 22px; text-align: center; }
.footer-bottom p { font-size: 12px; color: rgba(255, 255, 255, 0.5); }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .page-hero-content h1 { font-size: 36px; }
}
@media (max-width: 768px) {
  .block-section { padding: 64px 0; }
  .page-hero { padding: 64px 0 72px; }
  .page-hero-content h1 { font-size: 30px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    box-shadow: 0 16px 40px rgba(15, 118, 110, 0.12);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; font-size: 16px; }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .tag-new { display: none; }
  .link-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .tier-item { flex-wrap: wrap; gap: 12px; }
  .faq-answer { padding-left: 22px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

/* roulang page: category3 */
:root {
            --primary: #0F766E;
            --primary-gradient: linear-gradient(135deg, #0F766E 0%, #2E8B7A 50%, #369B87 100%);
            --gold: #C8963E;
            --bg: #F7F4EB;
            --dark-panel: #14302B;
            --text: #334E4A;
            --text-light: #6B8A85;
            --border: rgba(15, 118, 110, 0.15);
            --radius-lg: 24px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(15, 118, 110, 0.08);
            --shadow-hover: 0 16px 40px rgba(15, 118, 110, 0.16);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

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

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all .25s;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(15, 118, 110, 0.06);
        }

        .nav-links a.active {
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
            font-weight: 700;
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border: 2px solid transparent;
            transition: all .25s;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 16px rgba(15, 118, 110, 0.25);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 24px rgba(15, 118, 110, 0.35);
            transform: translateY(-1px);
            filter: brightness(1.05);
        }

        .btn-gold {
            background: var(--gold);
            color: #1a1a1a;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }

        .btn-gold:hover {
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.45);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

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

        .btn-outline-dark:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        /* Badges */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            background: rgba(15, 118, 110, 0.1);
            color: var(--primary);
        }

        .badge-gold {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            background: rgba(200, 150, 62, 0.15);
            color: #a0762a;
        }

        .badge-new {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 700;
            background: var(--gold);
            color: #1a1a1a;
            letter-spacing: 0.04em;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            background: rgba(20, 48, 43, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .data-badge .num {
            font-size: 24px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .data-badge .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.4;
        }

        /* Hero */
        .page-hero {
            position: relative;
            background: linear-gradient(rgba(20, 48, 43, 0.84), rgba(15, 118, 110, 0.80)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 96px 0 80px;
            color: #fff;
            text-align: center;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 32px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark-panel);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-head .section-tag {
            display: inline-block;
            margin-bottom: 14px;
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px;
            transition: all .3s;
            border: 1px solid rgba(15, 118, 110, 0.06);
        }

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

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            color: #fff;
            font-style: normal;
        }

        .card-icon.gold {
            background: linear-gradient(135deg, #C8963E, #E0B36A);
        }

        .card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--dark-panel);
        }

        .card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Feature list */
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 24px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            line-height: 1.65;
            color: var(--text);
        }

        .feature-list .fi {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(15, 118, 110, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 2px;
            font-style: normal;
        }

        /* Split grid */
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .split-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .split-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .split-visual .visual-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 1;
        }

        .split-copy h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark-panel);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .split-copy .lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .content-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: rgba(15, 118, 110, 0.08);
            border: 1px solid rgba(15, 118, 110, 0.12);
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
        }

        .content-chip.gold {
            background: rgba(200, 150, 62, 0.1);
            border-color: rgba(200, 150, 62, 0.25);
            color: #a0762a;
        }

        /* Steps */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(15, 118, 110, 0.04);
            transition: all .3s;
        }

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

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-variant-numeric: tabular-nums;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark-panel);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
        }

        /* Jump links */
        .jump-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .jump-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: flex-end;
            padding: 24px;
            text-decoration: none;
            color: #fff;
            transition: all .3s;
            box-shadow: var(--shadow-card);
        }

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

        .jump-card .jump-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .jump-card .jump-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 0%, rgba(20, 48, 43, 0.88) 100%);
            transition: background .3s;
        }

        .jump-card:hover .jump-mask {
            background: linear-gradient(180deg, transparent 0%, rgba(20, 48, 43, 0.92) 100%);
        }

        .jump-card .jump-content {
            position: relative;
            z-index: 1;
        }

        .jump-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .jump-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.5;
        }

        .jump-card .go-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
        }

        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid rgba(15, 118, 110, 0.06);
            transition: box-shadow .25s;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            min-height: 44px;
            font-weight: 600;
            font-size: 16px;
            color: var(--dark-panel);
            user-select: none;
        }

        .faq-q .q-mark {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gold);
            color: #1a1a1a;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            flex-shrink: 0;
        }

        .faq-q .faq-arrow {
            margin-left: auto;
            transition: transform .3s;
            color: var(--text-light);
            font-size: 18px;
            font-style: normal;
            line-height: 1;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(45deg);
        }

        .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all .35s ease;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
        }

        .faq-item.active .faq-a {
            padding: 4px 24px 20px 64px;
            max-height: 500px;
            background: var(--bg);
            margin: 0 16px 16px;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            border-top: 2px solid var(--primary);
        }

        /* CTA */
        .cta-banner {
            position: relative;
            background: linear-gradient(135deg, #0F766E 0%, #14302B 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            overflow: hidden;
            flex-wrap: wrap;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.15);
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 20%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-text h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-panel);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand h3 {
            font-size: 18px;
            color: #fff;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-col h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 600;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color .2s;
        }

        .footer-col ul li a:hover {
            color: var(--gold);
        }

        .footer-contact p {
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact .ico {
            color: var(--gold);
            font-style: normal;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* Mobile nav */
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: none;
            border: none;
            border-radius: var(--radius-md);
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--dark-panel);
            transition: background .2s;
        }

        .menu-toggle:hover {
            background: rgba(15, 118, 110, 0.08);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
            padding: 16px 20px 24px;
            border-radius: 0 0 20px 20px;
            z-index: 99;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 4px;
        }

        .mobile-menu a:hover {
            background: rgba(15, 118, 110, 0.05);
        }

        .mobile-menu a.active {
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            font-weight: 700;
        }

        .mobile-menu .btn {
            margin-top: 12px;
            width: 100%;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-cta .btn {
                display: none;
            }
            .nav-cta .badge-new {
                display: none;
            }
            .jump-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .split-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 72px 0 56px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero .hero-sub {
                font-size: 16px;
            }
            .section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .cta-banner {
                padding: 36px 24px;
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .cta-text {
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 240px;
            }
            .split-copy h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .data-badge {
                padding: 8px 16px;
            }
            .data-badge .num {
                font-size: 20px;
            }
            .card {
                padding: 24px;
            }
            .faq-q {
                padding: 16px;
                font-size: 15px;
            }
            .faq-item.active .faq-a {
                padding: 4px 16px 16px 48px;
            }
        }

/* roulang page: category4 */
:root {
    --primary: #0F766E;
    --primary-light: #2E8B7A;
    --primary-lighter: #369B87;
    --gold: #C8963E;
    --gold-light: #E8C88A;
    --bg: #F7F4EB;
    --dark: #14302B;
    --text: #334E4A;
    --text-light: #6B8A85;
    --border: rgba(15, 118, 110, 0.14);
    --shadow-sm: 0 4px 12px rgba(15, 118, 110, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 118, 110, 0.08);
    --shadow-lg: 0 16px 40px rgba(15, 118, 110, 0.16);
    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --radius-pill: 999px;
}

html { scroll-behavior: smooth; }

body {
    font-family: apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(15, 118, 110, 0.08);
    box-shadow: 0 2px 16px rgba(15, 118, 110, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.logo i {
    color: var(--gold);
    font-size: 18px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    transition: all 0.25s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(15, 118, 110, 0.06);
}

.nav-links a.active {
    color: var(--primary);
    background: rgba(15, 118, 110, 0.1);
    font-weight: 600;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    border-radius: 3px;
    background: var(--gold);
}

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

.badge-gold {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, #F5DFA8, #E8C88A);
    color: #7A5A1E;
    font-size: 12px;
    font-weight: 700;
    border: 1px solid rgba(200, 150, 62, 0.35);
    box-shadow: 0 2px 6px rgba(200, 150, 62, 0.15);
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--primary);
    font-size: 18px;
    align-items: center;
    justify-content: center;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(15, 118, 110, 0.12);
    padding: 16px 20px 24px;
    z-index: 99;
}

.mobile-menu.open { display: block; }

.mobile-menu a {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid rgba(15, 118, 110, 0.05);
}

.mobile-menu a.active {
    color: var(--primary);
    background: rgba(15, 118, 110, 0.06);
    font-weight: 600;
}

.mobile-menu .btn { margin-top: 12px; text-align: center; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
    color: #fff;
    box-shadow: 0 4px 16px rgba(15, 118, 110, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0c645d, var(--primary-light));
    box-shadow: 0 8px 24px rgba(15, 118, 110, 0.35);
    transform: translateY(-2px);
    color: #fff;
}

.btn-primary:active { transform: translateY(0); }

.btn-gold {
    background: linear-gradient(135deg, #E8C88A, #C8963E);
    color: #2A1F0E;
    box-shadow: 0 4px 16px rgba(200, 150, 62, 0.3);
}

.btn-gold:hover {
    background: linear-gradient(135deg, #F2D79F, #D4A54E);
    box-shadow: 0 8px 24px rgba(200, 150, 62, 0.4);
    transform: translateY(-2px);
    color: #2A1F0E;
}

.btn-outline {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold-light);
    background: rgba(255, 255, 255, 0.06);
}

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

.btn-outline-dark:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(200, 150, 62, 0.05);
}

.btn-sm { padding: 8px 20px; font-size: 14px; border-radius: 12px; }
.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: 14px; }

/* ===== Hero ===== */
.category-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    background-image: linear-gradient(rgba(12, 58, 52, 0.75), rgba(20, 48, 43, 0.85)), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 80px 0 60px;
}

.category-hero .hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.category-hero h1 {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
    max-width: 720px;
}

.category-hero p {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    max-width: 640px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 16px;
}

.hero-badge i { color: var(--gold-light); }

/* ===== Section Styling ===== */
.section {
    padding: 72px 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.section-header .section-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    background: rgba(15, 118, 110, 0.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.section-header p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.7;
}

/* ===== FAQ Cards ===== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.faq-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 28px 28px 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
}

.faq-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(15, 118, 110, 0.25);
}

.faq-card .q-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold), #E8C88A);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 14px;
}

.faq-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.5;
}

.faq-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 0;
}

/* ===== Content & Service Section ===== */
.service-section {
    background: #fff;
    border-top: 1px solid rgba(15, 118, 110, 0.06);
    border-bottom: 1px solid rgba(15, 118, 110, 0.06);
}

.service-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.service-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.4;
    margin-bottom: 16px;
}

.service-text p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 16px;
}

.service-text ul {
    margin-top: 20px;
}

.service-text ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text);
}

.service-text ul li i {
    color: var(--gold);
    margin-top: 5px;
    font-size: 14px;
}

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

.service-image img {
    width: 100%;
    height: 340px;
    object-fit: cover;
}

/* ===== Steps ===== */
.steps-section {
    padding: 72px 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 960px;
    margin: 0 auto;
}

.step-item {
    text-align: center;
    position: relative;
    padding: 32px 20px 24px;
}

.step-item .step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.25);
}

.step-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.step-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -16px;
    width: 32px;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent);
}

/* ===== Related Links ===== */
.related-section {
    background: var(--dark);
    background-image: linear-gradient(135deg, #14302B 0%, #1A3D36 60%, #205043 100%);
    padding: 72px 0;
    color: #fff;
}

.related-section .section-header h2 {
    color: #fff;
}

.related-section .section-header .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--gold-light);
}

.related-section .section-header p {
    color: rgba(255, 255, 255, 0.7);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.related-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: all 0.3s ease;
    display: block;
}

.related-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold);
    transform: translateY(-4px);
}

.related-card i {
    font-size: 28px;
    color: var(--gold);
    margin-bottom: 14px;
    display: block;
}

.related-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.related-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ===== CTA Banner ===== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
    border-radius: var(--radius-lg);
    padding: 48px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
}

.cta-banner::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(200, 150, 62, 0.15);
    top: -80px;
    right: 80px;
}

.cta-banner::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(200, 150, 62, 0.1);
    bottom: -40px;
    right: 240px;
}

.cta-text {
    position: relative;
    z-index: 2;
}

.cta-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    line-height: 1.3;
}

.cta-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
}

.cta-banner .btn-gold {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer-brand h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.4;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    transition: all 0.25s ease;
}

.footer-col ul li a:hover {
    color: var(--gold-light);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact .ico {
    color: var(--gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .nav-links { display: none; }
    .header-actions .badge-gold { display: none; }
    .menu-toggle { display: flex; }
    .category-hero h1 { font-size: 32px; }
    .service-grid { gap: 32px; }
}

@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .category-hero { min-height: 360px; padding: 64px 0 48px; }
    .category-hero h1 { font-size: 28px; }
    .category-hero p { font-size: 15px; }
    .faq-grid { grid-template-columns: 1fr; gap: 16px; }
    .service-grid { grid-template-columns: 1fr; }
    .service-image img { height: 260px; }
    .steps-grid { grid-template-columns: 1fr; gap: 24px; max-width: 480px; }
    .step-item:not(:last-child)::after { display: none; }
    .related-grid { grid-template-columns: 1fr; max-width: 480px; }
    .cta-banner { flex-direction: column; padding: 36px 28px; text-align: center; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .header-inner { height: 64px; }
    .logo { font-size: 18px; }
    .category-hero h1 { font-size: 24px; }
    .category-hero p { font-size: 14px; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .section-header h2 { font-size: 24px; }
    .cta-banner { padding: 28px 20px; }
    .cta-text h2 { font-size: 22px; }
}

/* ===== Focus states ===== */
a:focus-visible, .btn:focus-visible, button:focus-visible {
    outline: 3px solid rgba(200, 150, 62, 0.5);
    outline-offset: 2px;
    border-radius: 8px;
}