/* roulang page: index */
:root {
    --primary: #0D4A43;
    --primary-dark: #08332E;
    --primary-soft: #E3EFEB;
    --accent: #C6A664;
    --accent-dark: #9B7B3C;
    --accent-light: #E3CFA0;
    --bg: #F7F4EE;
    --bg-alt: #EFE9DD;
    --surface: #FFFFFF;
    --text: #1F2320;
    --text-secondary: #5C635F;
    --border: #E2DCD0;
    --radius-card: 12px;
    --radius-btn: 8px;
    --shadow-card: 0 1px 2px rgba(13, 74, 67, 0.04), 0 2px 8px rgba(13, 74, 67, 0.04);
    --shadow-hover: 0 8px 24px rgba(13, 74, 67, 0.08);
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    font-size: 16px;
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button,
input {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    cursor: pointer;
}
.container-custom {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}
@media (max-width: 768px) {
    .container-custom {
        padding: 0 16px;
    }
}
/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 72px;
    background: rgba(247, 244, 238, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    transition: background .2s ease, box-shadow .2s ease;
}
.site-header.scrolled {
    box-shadow: 0 2px 12px rgba(13, 74, 67, 0.06);
}
.site-header-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
@media (max-width: 768px) {
    .site-header-inner {
        padding: 0 16px;
        height: 60px;
        max-height: 60px;
    }
    .site-header {
        height: 60px;
    }
}
.logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.01em;
}
.logo-dot {
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    margin-left: 4px;
    display: inline-block;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-menu .nav-link {
    font-size: 16px;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 6px;
    transition: color .2s ease, background .2s ease;
    position: relative;
    font-weight: 400;
}
.nav-menu .nav-link:hover {
    color: var(--primary);
    background: rgba(227, 239, 235, 0.4);
}
.nav-menu .nav-link.active {
    color: var(--primary);
    font-weight: 500;
}
.nav-menu .nav-link.active::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.nav-menu .nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 6px;
}
.header-cta {
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background .2s ease, transform .2s ease;
    display: inline-block;
    letter-spacing: 0.02em;
}
.header-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: transparent;
    border: 1px solid var(--border);
    position: relative;
    cursor: pointer;
}
.nav-toggle-line {
    position: absolute;
    left: 12px;
    right: 12px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all .3s ease;
}
.nav-toggle-line:nth-child(1) {
    top: 14px;
}
.nav-toggle-line:nth-child(2) {
    bottom: 14px;
}
.nav-toggle.active .nav-toggle-line:nth-child(1) {
    top: 19px;
    transform: rotate(45deg);
}
.nav-toggle.active .nav-toggle-line:nth-child(2) {
    bottom: 19px;
    transform: rotate(-45deg);
}
.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
    z-index: 99;
    box-shadow: 0 8px 20px rgba(13, 74, 67, 0.08);
}
.mobile-menu.open {
    display: block;
}
.mobile-menu a {
    display: block;
    padding: 12px 8px;
    font-size: 16px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    font-weight: 400;
    transition: color .2s ease, padding-left .2s ease;
}
.mobile-menu a:last-child {
    border-bottom: none;
}
.mobile-menu a:hover {
    color: var(--primary);
    padding-left: 16px;
}
.mobile-menu a.active {
    color: var(--primary);
    font-weight: 500;
}
@media (max-width: 768px) {
    .nav-menu,
    .header-cta-desktop {
        display: none !important;
    }
    .nav-toggle {
        display: block;
    }
}
/* Hero */
.hero-section {
    padding: 160px 0 96px;
    position: relative;
    overflow: hidden;
    background: var(--bg);
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 20px;
    right: 40px;
    width: 1px;
    height: 120px;
    background: var(--accent);
    opacity: 0.5;
}
.hero-section::after {
    content: '';
    position: absolute;
    top: 36px;
    right: 46px;
    width: 2px;
    height: 90px;
    background: var(--accent);
    opacity: 0.3;
}
.hero-grid {
    display: grid;
    grid-template-columns: 65% 35%;
    gap: 48px;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    color: var(--accent-dark);
    font-weight: 500;
    letter-spacing: 0.04em;
}
.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    margin-right: 8px;
}
.hero-title {
    font-size: clamp(30px, 4.8vw, 52px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin: 20px 0 20px;
    color: var(--text);
}
.hero-title .brand {
    color: var(--primary);
}
.hero-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.6;
    margin-bottom: 32px;
}
.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    height: 44px;
    padding: 0 28px;
    border-radius: 8px;
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
    letter-spacing: 0.02em;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 74, 67, 0.2);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--primary);
    font-size: 16px;
    font-weight: 500;
    height: 44px;
    padding: 0 28px;
    border-radius: 8px;
    border: 1px solid var(--primary);
    transition: background .2s ease, transform .2s ease;
}
.btn-secondary:hover {
    background: var(--primary-soft);
    transform: translateY(-1px);
}
.btn-ghost-link {
    display: inline-flex;
    align-items: center;
    font-size: 16px;
    color: var(--primary);
    font-weight: 500;
    gap: 6px;
    transition: gap .2s ease;
}
.btn-ghost-link:hover {
    gap: 12px;
}
.hero-meta {
    margin-top: 28px;
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}
.hero-meta span {
    display: inline-flex;
    align-items: center;
}
.hero-meta i {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    margin-right: 6px;
}
.hero-image-wrap {
    position: relative;
}
.hero-image-main {
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
    aspect-ratio: 4 / 5;
}
.hero-image-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-float-card {
    position: absolute;
    bottom: -20px;
    left: -30px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 260px;
    border: 1px solid rgba(255, 255, 255, 0.6);
}
.hero-float-status {
    width: 8px;
    height: 8px;
    background: #2E9E6B;
    border-radius: 50%;
    flex-shrink: 0;
}
.hero-float-text {
    font-size: 14px;
    color: var(--text);
    font-weight: 500;
}
.hero-float-sub {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-float-card {
        position: static;
        margin-top: 16px;
        max-width: 100%;
    }
}
@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 64px;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
    }
}
/* Section common */
.section-title-wrap {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
    gap: 24px;
}
.section-title {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 600;
    line-height: 1.3;
    position: relative;
    padding-left: 16px;
}
.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    background: var(--accent);
    border-radius: 2px;
}
.section-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 12px;
    max-width: 480px;
}
.section-link {
    font-size: 16px;
    color: var(--primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap .2s ease;
    white-space: nowrap;
}
.section-link:hover {
    gap: 10px;
}
@media (max-width: 768px) {
    .section-title-wrap {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}
/* Collection cards */
.collection-section {
    padding: 96px 0;
    background: var(--bg);
}
.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.collection-card {
    background: var(--surface);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease;
    display: block;
}
.collection-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.collection-card-cover {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}
.collection-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease;
}
.collection-card:hover .collection-card-cover img {
    transform: scale(1.04);
}
.collection-card-body {
    padding: 24px;
}
.collection-num {
    font-family: "SF Mono", Consolas, "Roboto Mono", monospace;
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 8px;
}
.collection-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    transition: color .2s ease;
}
.collection-card:hover .collection-card-title {
    color: var(--primary);
}
.collection-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
@media (max-width: 1024px) {
    .collection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .collection-grid {
        grid-template-columns: 1fr;
    }
    .collection-section {
        padding: 64px 0;
    }
}
/* News CMS section */
.news-section {
    padding: 96px 0;
    background: var(--bg-alt);
}
.news-layout {
    display: grid;
    grid-template-columns: 32% 68%;
    gap: 48px;
    align-items: start;
}
.news-left {
    padding-right: 24px;
}
.news-left .section-title {
    margin-bottom: 16px;
}
.news-left-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}
.news-list {
    display: flex;
    flex-direction: column;
}
.news-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    transition: background .2s ease;
}
.news-item:last-child {
    border-bottom: none;
}
.news-date {
    width: 64px;
    flex-shrink: 0;
    text-align: center;
}
.news-month {
    font-size: 22px;
    font-weight: 600;
    color: var(--accent);
    display: block;
    font-family: "SF Mono", Consolas, "Roboto Mono", monospace;
    line-height: 1.2;
}
.news-day {
    font-size: 12px;
    color: var(--text-secondary);
    display: block;
    margin-top: 2px;
}
.news-content {
    flex: 1;
    min-width: 0;
}
.news-content h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    line-height: 1.4;
    transition: color .2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-item:hover .news-content h3 {
    color: var(--primary);
}
.news-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}
.news-category {
    display: inline-block;
    font-size: 12px;
    color: var(--accent-dark);
    border: 1px solid var(--accent);
    padding: 2px 10px;
    border-radius: 999px;
    background: transparent;
}
.news-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .2s ease, border-color .2s ease, color .2s ease;
    color: var(--primary);
    font-size: 16px;
}
.news-item:hover .news-arrow {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.news-empty {
    border: 1px dashed var(--border);
    border-radius: 12px;
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
    gap: 8px;
}
.news-empty-icon {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border);
    border-radius: 6px;
    position: relative;
}
.news-empty-icon::before {
    content: '';
    position: absolute;
    top: 7px;
    left: 7px;
    right: 7px;
    bottom: 7px;
    border: 1px solid var(--border);
    border-radius: 2px;
}
@media (max-width: 1024px) {
    .news-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .news-left {
        padding-right: 0;
    }
}
@media (max-width: 768px) {
    .news-section {
        padding: 64px 0;
    }
    .news-item {
        flex-wrap: wrap;
        gap: 12px;
    }
    .news-date {
        width: auto;
        display: flex;
        align-items: baseline;
        gap: 6px;
    }
}
/* Featured section */
.featured-section {
    padding: 96px 0;
    background: var(--bg);
}
.featured-main {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 0;
    background: var(--surface);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: 24px;
    transition: box-shadow .2s ease;
    display: block;
}
.featured-main:hover {
    box-shadow: var(--shadow-hover);
}
.featured-main-media {
    position: relative;
    overflow: hidden;
    min-height: 280px;
}
.featured-main-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}
.featured-main-body {
    padding: 32px;
}
.featured-badge {
    display: inline-block;
    font-size: 12px;
    color: var(--accent-dark);
    border: 1px solid var(--accent);
    padding: 2px 12px;
    border-radius: 999px;
    margin-bottom: 14px;
    background: rgba(198, 166, 100, 0.08);
}
.featured-main-title {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--text);
}
.featured-main-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.featured-main-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}
.featured-sub-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.featured-sub-card {
    display: flex;
    gap: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: box-shadow .2s ease, border-color .2s ease;
}
.featured-sub-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}
.featured-sub-thumb {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}
.featured-sub-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.featured-sub-body {
    flex: 1;
    min-width: 0;
}
.featured-sub-body h3 {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 4px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s ease;
}
.featured-sub-card:hover .featured-sub-body h3 {
    color: var(--primary);
}
.featured-sub-body span {
    font-size: 12px;
    color: var(--text-secondary);
}
@media (max-width: 768px) {
    .featured-main {
        grid-template-columns: 1fr;
    }
    .featured-main-media {
        min-height: 200px;
        position: relative;
        padding-top: 60%;
    }
    .featured-main-media img {
        position: absolute;
        top: 0;
    }
    .featured-sub-grid {
        grid-template-columns: 1fr;
    }
    .featured-section {
        padding: 64px 0;
    }
}
/* Related section */
.related-section {
    padding: 96px 0;
    background: var(--bg-alt);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: transform .2s ease, box-shadow .2s ease;
    position: relative;
}
.related-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.related-card-cover {
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
}
.related-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease;
}
.related-card:hover .related-card-cover img {
    transform: scale(1.04);
}
.related-card-body h3 {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 6px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s ease;
}
.related-card:hover .related-card-body h3 {
    color: var(--primary);
}
.related-card-body p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-tag {
    display: inline-block;
    font-size: 11px;
    color: var(--accent-dark);
    background: rgba(227, 239, 235, 0.6);
    padding: 2px 10px;
    border-radius: 999px;
    transition: background .2s ease;
}
.related-card:hover .related-tag {
    background: var(--primary-soft);
}
.fav-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .2s ease;
    color: var(--text-secondary);
}
.fav-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.fav-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
    .related-section {
        padding: 64px 0;
    }
}
/* CTA share */
.cta-share-section {
    padding: 96px 0;
    background: var(--bg);
}
.cta-block {
    background: var(--primary);
    border-radius: 16px;
    padding: 48px 40px;
    display: grid;
    grid-template-columns: 70% 30%;
    gap: 32px;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.cta-block::before {
    content: '';
    position: absolute;
    top: 0;
    right: 20%;
    width: 1px;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
}
.cta-title-line {
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 16px;
}
.cta-title {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 600;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 8px;
}
.cta-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 440px;
}
.cta-share-btns {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}
.share-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s ease, transform .2s ease;
    cursor: pointer;
    color: #fff;
}
.share-btn:hover {
    background: var(--accent);
    transform: translateY(-2px);
    color: #1F2320;
}
.cta-divider {
    margin-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 20px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}
@media (max-width: 768px) {
    .cta-block {
        grid-template-columns: 1fr;
        padding: 32px 24px;
    }
    .cta-share-btns {
        justify-content: flex-start;
    }
}
/* FAQ */
.faq-section {
    padding: 96px 0;
    background: var(--bg-alt);
}
.faq-container {
    max-width: 720px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
}
.faq-question {
    display: flex;
    align-items: center;
    padding: 16px 0;
    cursor: pointer;
    user-select: none;
    gap: 16px;
}
.faq-num {
    font-family: "SF Mono", Consolas, "Roboto Mono", monospace;
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
    width: 32px;
    flex-shrink: 0;
}
.faq-q-text {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.5;
    transition: color .2s ease;
}
.faq-item:hover .faq-q-text {
    color: var(--primary);
}
.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--primary);
    flex-shrink: 0;
    transition: background .2s ease, border-color .2s ease, color .2s ease, transform .3s ease;
}
.faq-item.active .faq-icon {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: rotate(135deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}
.faq-answer-inner {
    padding: 0 48px 20px 48px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}
@media (max-width: 768px) {
    .faq-section {
        padding: 64px 0;
    }
    .faq-answer-inner {
        padding: 0 32px 20px 32px;
    }
}
/* Footer */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 48px;
}
.footer-brand {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}
.footer-brand-dot {
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    margin-left: 4px;
    display: inline-block;
}
.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 240px;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    transition: all .2s ease;
}
.footer-social-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #1F2320;
}
.footer-title {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    transition: color .2s ease, padding-left .2s ease;
    padding-left: 0;
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-contact {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}
.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
}
.footer-contact a:hover {
    color: var(--accent);
}
.footer-login-link {
    display: inline-block;
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 0;
    transition: color .2s ease;
}
.footer-login-link:hover {
    color: var(--accent-light);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 20px 0;
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .site-footer {
        padding: 56px 0 0;
    }
}
/* Utility */
.text-muted {
    color: var(--text-secondary);
}
.mt-8 {
    margin-top: 32px;
}
.mb-4 {
    margin-bottom: 16px;
}
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
}
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* roulang page: category1 */
:root {
    --primary: #0D4A43;
    --primary-dark: #08332E;
    --primary-soft: #E3EFEB;
    --accent: #C6A664;
    --accent-dark: #9B7B3C;
    --accent-light: #E3CFA0;
    --bg: #F7F4EE;
    --bg-alt: #EFE9DD;
    --surface: #FFFFFF;
    --text: #1F2320;
    --text-secondary: #5C635F;
    --border: #E2DCD0;
    --radius-card: 12px;
    --radius-btn: 8px;
    --shadow-card: 0 1px 2px rgba(13,74,67,0.04), 0 2px 8px rgba(13,74,67,0.04);
    --shadow-hover: 0 8px 24px rgba(13,74,67,0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "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;
    padding-top: 72px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
.container-custom { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 72px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    transition: background .2s ease, box-shadow .2s ease;
}
.site-header.scrolled {
    background: rgba(247,244,238,0.92);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 8px rgba(13,74,67,0.06);
}
.site-header-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    letter-spacing: -0.01em;
}
.logo-dot {
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
}
.nav-menu { display: flex; align-items: center; gap: 2px; }
.nav-link {
    font-size: 15px;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 6px;
    transition: color .2s ease, background .2s ease;
    position: relative;
    font-weight: 400;
}
.nav-link:hover { color: var(--primary); background: var(--primary-soft); }
.nav-link.active { color: var(--primary); font-weight: 500; }
.nav-link.active::after {
    content: '';
    position: absolute;
    left: 50%; transform: translateX(-50%);
    bottom: 2px;
    width: 20px; height: 3px;
    border-radius: 3px;
    background: var(--accent);
}
.nav-divider { width: 1px; height: 16px; background: var(--border); margin: 0 6px; }
.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 8px;
    transition: background .2s ease, transform .2s ease;
    line-height: 1.4;
}
.header-cta:hover { background: var(--primary-dark); }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.nav-toggle-line {
    width: 20px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle.open .nav-toggle-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .nav-toggle-line:nth-child(2) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px; left: 0; right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 24px 20px;
        gap: 0;
        box-shadow: 0 8px 20px rgba(13,74,67,0.06);
    }
    .nav-menu.open { display: flex; }
    .nav-link { padding: 14px 12px; font-size: 16px; }
    .nav-divider { display: none; }
    .header-cta-desktop { display: none !important; }
    .mobile-cta { display: flex; margin-top: 12px; width: 100%; justify-content: center; }
}
@media (min-width: 769px) {
    .mobile-cta { display: none !important; }
}
@media (max-width: 520px) {
    .container-custom { padding: 0 16px; }
    body { padding-top: 60px; }
    .site-header, .site-header-inner { height: 60px; }
    .nav-menu { top: 60px; }
    .logo { font-size: 18px; }
    .header-cta { padding: 8px 16px; font-size: 13px; }
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 28px;
    border-radius: 8px;
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
    line-height: 1.5;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(13,74,67,0.15); }
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    font-size: 15px;
    font-weight: 500;
    padding: 12px 28px;
    border-radius: 8px;
    transition: background .2s ease, transform .2s ease;
}
.btn-secondary:hover { background: var(--primary-soft); transform: translateY(-1px); }
.btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #1F2320;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 28px;
    border-radius: 8px;
    transition: background .2s ease, transform .2s ease;
}
.btn-gold:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }

/* Section spacing */
.section-block { padding: 80px 0; }
.section-block-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
@media (max-width: 768px) {
    .section-block { padding: 60px 0; }
}

/* Section title */
.section-title-wrap { margin-bottom: 40px; }
.section-title {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text);
    position: relative;
    padding-left: 16px;
}
.section-title::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 4px; height: 22px;
    border-radius: 4px;
    background: var(--accent);
}
.section-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
    padding-left: 16px;
}

/* Category hero */
.category-hero {
    background: var(--bg);
    padding: 64px 0 48px;
    position: relative;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}
.category-hero::before {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 200px; height: 200px;
    background: linear-gradient(135deg, transparent 45%, rgba(198,166,100,0.08) 46%, rgba(198,166,100,0.08) 50%, transparent 51%);
    background-size: 6px 6px;
    pointer-events: none;
}
.category-hero-inner { text-align: center; max-width: 720px; margin: 0 auto; }
.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: 0.12em;
    color: var(--accent-dark);
    text-transform: uppercase;
    margin-bottom: 16px;
    font-weight: 500;
}
.hero-kicker-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
}
.category-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
    letter-spacing: -0.01em;
}
.category-hero .hero-sub {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 16px;
    line-height: 1.7;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}
.category-hero .hero-actions {
    margin-top: 28px;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
@media (max-width: 768px) {
    .category-hero { padding: 48px 0 40px; }
}

/* Category main layout */
.category-layout {
    display: grid;
    grid-template-columns: 68% 32%;
    gap: 40px;
    align-items: start;
}
@media (max-width: 1024px) {
    .category-layout { grid-template-columns: 1fr; gap: 32px; }
}
.category-content { min-width: 0; }
.category-sidebar { position: sticky; top: 96px; }
@media (max-width: 1024px) {
    .category-sidebar { position: static; }
}

/* Guide cards */
.guide-card {
    display: flex;
    gap: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    transition: box-shadow .2s ease, transform .2s ease;
    margin-bottom: 16px;
}
.guide-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}
.guide-card-img {
    width: 160px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}
.guide-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.guide-card:hover .guide-card-img img { transform: scale(1.04); }
.guide-card-body { flex: 1; min-width: 0; }
.guide-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
    transition: color .2s ease;
    display: block;
}
.guide-card-title:hover { color: var(--primary); }
.guide-card-summary {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-top: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.guide-card-meta { margin-top: 10px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge-tag {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    color: var(--accent-dark);
    border: 1px solid var(--accent);
    padding: 2px 12px;
    border-radius: 999px;
    background: rgba(198,166,100,0.06);
    font-weight: 500;
    line-height: 1.5;
}
.guide-card .card-link {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap .2s ease;
}
.guide-card .card-link:hover { gap: 8px; }
@media (max-width: 520px) {
    .guide-card { flex-direction: column; padding: 12px; }
    .guide-card-img { width: 100%; height: 160px; }
}

/* Sidebar card */
.sidebar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
}
.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.sidebar-title::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0;
    width: 32px; height: 2px;
    background: var(--accent);
}
.sidebar-list { list-style: none; }
.sidebar-list li { border-bottom: 1px solid var(--border); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 4px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: color .2s ease, padding-left .2s ease;
    line-height: 1.5;
}
.sidebar-list a:hover {
    color: var(--primary);
    padding-left: 8px;
}
.sidebar-list a::after {
    content: '→';
    color: var(--accent);
    font-size: 16px;
    opacity: 0;
    transition: opacity .2s ease, transform .2s ease;
}
.sidebar-list a:hover::after { opacity: 1; transform: translateX(2px); }
.sidebar-cta {
    display: block;
    text-align: center;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 20px;
    border-radius: 8px;
    margin-top: 16px;
    transition: background .2s ease;
}
.sidebar-cta:hover { background: var(--primary-dark); }
.sidebar-note {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 12px;
    line-height: 1.6;
}

/* Process section */
.process-section { background: var(--bg-alt); }
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}
@media (max-width: 1024px) {
    .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 568px) {
    .process-grid { grid-template-columns: 1fr; }
}
.process-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 24px;
    text-align: center;
    position: relative;
    transition: box-shadow .2s ease, transform .2s ease;
}
.process-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.process-number {
    font-family: "SF Mono", Consolas, "Roboto Mono", monospace;
    font-size: 28px;
    font-weight: 500;
    color: var(--accent);
    line-height: 1.2;
    display: block;
    margin-bottom: 12px;
}
.process-item h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}
.process-item p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0;
}
.process-arrow {
    position: absolute;
    top: 50%; right: -18px;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 18px;
    z-index: 2;
    pointer-events: none;
}
@media (max-width: 1024px) {
    .process-arrow { display: none; }
}

/* Scenario section */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}
@media (max-width: 1024px) {
    .scenario-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .scenario-grid { grid-template-columns: 1fr; }
}
.scenario-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 24px;
    transition: box-shadow .2s ease, transform .2s ease;
}
.scenario-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.scenario-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--primary);
}
.scenario-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}
.scenario-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* News block */
.news-timeline { margin-top: 40px; max-width: 820px; }
.news-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}
.news-item:last-child { border-bottom: none; }
.news-date {
    width: 72px;
    flex-shrink: 0;
    text-align: center;
    background: var(--primary-soft);
    border-radius: 8px;
    padding: 8px 4px;
}
.news-date .day {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.3;
    font-variant-numeric: tabular-nums;
}
.news-date .month {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
}
.news-item-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.5;
    flex: 1;
    transition: color .2s ease;
}
.news-item-title:hover { color: var(--primary); }
.news-item .badge-new {
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 999px;
    font-weight: 500;
}
@media (max-width: 568px) {
    .news-item { flex-wrap: wrap; gap: 12px; }
    .news-date { width: 60px; }
}

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    height: 56px;
    padding: 0 4px;
    text-align: left;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    transition: color .2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-number {
    font-family: "SF Mono", Consolas, "Roboto Mono", monospace;
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
    min-width: 28px;
}
.faq-icon {
    margin-left: auto;
    width: 24px; height: 24px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-style: normal;
    font-size: 14px;
    color: var(--text-secondary);
    transition: transform .2s ease, background .2s ease, border-color .2s ease;
    flex-shrink: 0;
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}
.faq-answer-inner {
    padding: 0 4px 20px 44px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA */
.cta-block {
    background: var(--primary);
    border-radius: 16px;
    padding: 48px 48px;
    display: flex;
    align-items: center;
    gap: 40px;
    position: relative;
    overflow: hidden;
}
.cta-block::after {
    content: '';
    position: absolute;
    top: -40px; right: 30px;
    width: 120px; height: 120px;
    border: 2px solid rgba(198,166,100,0.15);
    border-radius: 50%;
    pointer-events: none;
}
.cta-text { flex: 1; position: relative; z-index: 1; }
.cta-title {
    font-size: 26px;
    font-weight: 600;
    color: #fff;
    line-height: 1.35;
    margin-bottom: 8px;
}
.cta-title-gold {
    display: inline-block;
    width: 32px; height: 3px;
    background: var(--accent);
    border-radius: 3px;
    margin-bottom: 16px;
}
.cta-sub {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    max-width: 420px;
}
.cta-actions { position: relative; z-index: 1; flex-shrink: 0; display: flex; flex-direction: column; gap: 12px; align-items: center; }
.cta-domain {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    text-align: center;
    margin-top: 4px;
}
@media (max-width: 768px) {
    .cta-block { flex-direction: column; padding: 36px 24px; text-align: center; }
    .cta-sub { margin: 0 auto; }
    .cta-title-gold { margin-left: auto; margin-right: auto; }
}

/* Footer */
.site-footer {
    background: var(--primary);
    color: rgba(255,255,255,0.85);
    padding: 72px 0 0;
    margin-top: 80px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
}
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 568px) {
    .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-brand-dot {
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
}
.footer-desc {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.7);
    margin: 16px 0 20px;
    max-width: 280px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social-btn {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.footer-social-btn:hover { background: var(--accent); color: #1F2320; border-color: var(--accent); }
.footer-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 16px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    transition: color .2s ease;
    line-height: 1.5;
}
.footer-links a:hover { color: var(--accent); }
.footer-contact p {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin-bottom: 6px;
}
.footer-contact a {
    color: rgba(255,255,255,0.85);
    transition: color .2s ease;
}
.footer-contact a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding: 20px 0;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    text-align: center;
}

/* Json-LD helper */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: article */
:root {
    --primary: #0D4A43;
    --primary-dark: #08332E;
    --primary-soft: #E3EFEB;
    --accent: #C6A664;
    --accent-dark: #9B7B3C;
    --accent-light: #E3CFA0;
    --bg: #F7F4EE;
    --bg-alt: #EFE9DD;
    --surface: #FFFFFF;
    --text: #1F2320;
    --text-secondary: #5C635F;
    --border: #E2DCD0;
    --radius-card: 12px;
    --radius-btn: 8px;
    --shadow-card: 0 1px 2px rgba(13, 74, 67, 0.04), 0 2px 8px rgba(13, 74, 67, 0.04);
    --shadow-hover: 0 8px 24px rgba(13, 74, 67, 0.08);
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "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;
}
img {
    max-width: 100%;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
}
ul, ol {
    list-style: none;
}
button, input {
    font-family: inherit;
}
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.container-custom {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(247, 244, 238, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    height: 72px;
    transition: background .2s ease, box-shadow .2s ease;
}
.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(13, 74, 67, 0.06);
}
.site-header-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}
.logo {
    display: inline-flex;
    align-items: center;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.01em;
    white-space: nowrap;
}
.logo-dot {
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    margin-left: 6px;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-link {
    font-size: 15px;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 6px;
    position: relative;
    transition: color .2s ease;
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--primary);
}
.nav-link.active {
    color: var(--primary);
}
.nav-link.active::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 2px;
    height: 3px;
    border-radius: 2px;
    background: var(--accent);
}
.nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
    flex-shrink: 0;
}
.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    height: 44px;
    padding: 0 22px;
    border-radius: var(--radius-btn);
    transition: background .2s ease, transform .2s ease;
    white-space: nowrap;
}
.header-cta:hover {
    background: var(--primary-dark);
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}
.nav-toggle-line {
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle.open .nav-toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open .nav-toggle-line:nth-child(2) {
    transform: translateY(-7px) rotate(-45deg);
}
.mobile-cta {
    display: none;
}

/* ===== Article Main ===== */
.article-main {
    padding-top: 96px;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 20px 0;
    font-size: 13px;
    color: var(--text-secondary);
}
.breadcrumb a {
    color: var(--text-secondary);
    transition: color .2s ease;
}
.breadcrumb a:hover {
    color: var(--primary);
}
.breadcrumb-sep {
    color: var(--border);
    font-size: 12px;
}
.breadcrumb-current {
    color: var(--text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}
.article-header {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    padding: 32px 0 28px;
}
.article-header h1 {
    font-size: clamp(24px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--text);
}
.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}
.article-category {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--accent);
    color: var(--accent-dark);
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 12px;
    background: var(--surface);
}
.article-meta-divider {
    width: 1px;
    height: 14px;
    background: var(--border);
}
.article-hero-image {
    max-width: 960px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.article-hero-image img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 8;
    object-fit: cover;
}
.article-content-wrap {
    max-width: 720px;
    margin: 0 auto;
    padding-top: 40px;
}
.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
}
.article-content p {
    margin-bottom: 20px;
}
.article-content h2 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
    line-height: 1.3;
}
.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 12px;
    line-height: 1.4;
}
.article-content ul {
    margin: 20px 0;
    padding-left: 24px;
}
.article-content ul li {
    position: relative;
    padding-left: 6px;
    margin-bottom: 8px;
}
.article-content ul li::before {
    content: '';
    position: absolute;
    left: -18px;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}
.article-content ol {
    margin: 20px 0;
    padding-left: 24px;
    list-style: decimal;
}
.article-content ol li {
    margin-bottom: 8px;
    padding-left: 4px;
}
.article-content blockquote {
    border-left: 3px solid var(--accent);
    background: var(--bg-alt);
    padding: 16px 24px;
    border-radius: 8px;
    margin: 24px 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}
.article-content code {
    background: var(--bg-alt);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 14px;
    font-family: "SF Mono", Consolas, "Roboto Mono", monospace;
}
.article-content pre {
    background: var(--bg-alt);
    padding: 20px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 24px 0;
    line-height: 1.6;
}
.article-content pre code {
    background: none;
    padding: 0;
    border-radius: 0;
}
.article-content img {
    border-radius: 12px;
    margin: 24px auto;
    max-width: 100%;
    height: auto;
}
.article-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 40px 0;
}
.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color .2s ease;
}
.article-content a:hover {
    color: var(--accent-dark);
}
.article-not-found {
    text-align: center;
    padding: 80px 24px;
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius-card);
}
.article-not-found p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}
.article-not-found a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 500;
    font-size: 15px;
    transition: color .2s ease;
}
.article-not-found a:hover {
    color: var(--accent-dark);
}
.article-tags {
    max-width: 720px;
    margin: 48px auto 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}
.article-tags-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 4px;
}
.article-tags a {
    display: inline-flex;
    padding: 6px 16px;
    border: 1px solid var(--accent);
    color: var(--accent-dark);
    background: var(--accent-light);
    border-radius: 999px;
    font-size: 13px;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.article-tags a:hover {
    background: var(--accent);
    color: var(--primary-dark);
}
.article-prev-next {
    max-width: 720px;
    margin: 48px auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    border-top: 1px solid var(--border);
    padding-top: 32px;
}
.article-prev-next-item {
    display: block;
}
.article-prev-next-item.next {
    text-align: right;
}
.article-prev-next-item .pn-label {
    display: block;
    font-size: 12px;
    color: var(--accent-dark);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 6px;
}
.article-prev-next-item a {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    transition: color .2s ease;
}
.article-prev-next-item a:hover {
    color: var(--primary);
}
.article-back {
    max-width: 720px;
    margin: 48px auto 0;
    text-align: center;
    padding-bottom: 80px;
}
.article-back a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 15px;
    font-weight: 500;
    transition: color .2s ease, gap .2s ease;
}
.article-back a:hover {
    color: var(--accent-dark);
    gap: 12px;
}

/* ===== Related Section ===== */
.related-section {
    padding: 80px 0;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}
.related-section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 8px;
}
.related-title {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 14px;
}
.related-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--accent);
    border-radius: 2px;
}
.related-desc {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.6;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}
.related-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .2s ease, box-shadow .2s ease;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.related-card-img {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
}
.related-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .2s ease;
}
.related-card:hover .related-card-img img {
    transform: scale(1.04);
}
.related-card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.related-card-body h3 {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
    color: var(--text);
    transition: color .2s ease;
}
.related-card:hover .related-card-body h3 {
    color: var(--primary);
}
.related-card-body p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: auto;
}
.related-card-tag {
    display: inline-flex;
    align-self: flex-start;
    margin-top: 14px;
    font-size: 12px;
    color: var(--accent-dark);
    border: 1px solid var(--accent);
    padding: 3px 12px;
    border-radius: 999px;
    background: var(--accent-light);
    transition: background .2s ease;
}
.related-card:hover .related-card-tag {
    background: var(--accent);
    color: var(--primary-dark);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 56px;
}
.footer-brand {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
}
.footer-brand-dot {
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    margin-left: 6px;
}
.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
    line-height: 1.7;
    max-width: 280px;
}
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}
.footer-social-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    background: transparent;
    cursor: pointer;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.footer-social-btn:hover {
    background: var(--accent);
    color: var(--primary-dark);
    border-color: var(--accent);
}
.footer-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 20px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    transition: color .2s ease;
}
.footer-links a:hover {
    color: var(--accent);
}
.footer-links li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.6;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 20px 0;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-bottom p {
    margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-desc {
        max-width: 100%;
        flex-basis: 100%;
    }
}
@media (max-width: 768px) {
    .site-header {
        height: 60px;
    }
    .site-header-inner {
        padding: 0 16px;
    }
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px 24px;
        box-shadow: 0 12px 24px rgba(13, 74, 67, 0.08);
        z-index: 99;
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-link {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
        font-size: 16px;
        border-radius: 0;
    }
    .nav-link.active::after {
        content: none;
    }
    .nav-link.active {
        color: var(--primary);
        font-weight: 600;
    }
    .nav-divider {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .mobile-cta {
        display: flex;
        margin-top: 20px;
        justify-content: center;
        width: 100%;
    }
    .header-cta-desktop {
        display: none !important;
    }
    .article-main {
        padding-top: 84px;
    }
    .breadcrumb {
        padding: 16px 0;
        font-size: 12px;
    }
    .article-header {
        padding: 24px 0 20px;
    }
    .article-content-wrap {
        padding-top: 32px;
    }
    .article-prev-next {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .article-prev-next-item.next {
        text-align: left;
    }
    .related-section {
        padding: 64px 0;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 40px;
    }
    .site-footer {
        padding-top: 64px;
    }
    .container-custom {
        padding: 0 16px;
    }
}
@media (max-width: 520px) {
    .breadcrumb-current {
        max-width: 180px;
    }
    .article-meta {
        gap: 8px;
    }
    .article-meta-divider {
        display: none;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
}