/* roulang page: index */
:root {
    --primary: #101828;
    --primary-light: #1d2939;
    --primary-dark: #0a0f1a;
    --accent: #c8933c;
    --accent-light: #e0aa55;
    --accent-dark: #a9752a;
    --bg: #f5f6f8;
    --bg-alt: #ffffff;
    --text: #1a202c;
    --text-weak: #667085;
    --border: #e4e7ec;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(16, 24, 40, 0.08);
    --shadow-lg: 0 16px 48px rgba(16, 24, 40, 0.14);
    --spacer: 96px;
    --font-head: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-head);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color .2s ease; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 52px;
}
.section-tag {
    display: inline-block;
    background: rgba(200, 147, 60, 0.12);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    padding: 6px 18px;
    border-radius: 30px;
    margin-bottom: 14px;
    text-transform: uppercase;
}
.section-head h2 {
    font-size: clamp(28px, 3.4vw, 38px);
    font-weight: 700;
    color: var(--primary);
    line-height: 1.3;
    margin-bottom: 12px;
}
.section-head p {
    color: var(--text-weak);
    font-size: 16px;
}
/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(16, 24, 40, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
}
.site-header .navbar { padding: 16px 0; }
.site-header .navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .5px;
}
.site-header .brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 17px;
    box-shadow: 0 4px 12px rgba(200, 147, 60, 0.35);
}
.site-header .nav-link {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 18px !important;
    border-radius: 30px;
    transition: all .25s ease;
}
.site-header .nav-link:hover,
.site-header .nav-link:focus {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}
.site-header .nav-link.active {
    color: #fff;
    background: rgba(200, 147, 60, 0.2);
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--primary);
    font-weight: 600;
    border: none;
    border-radius: 30px;
    padding: 10px 26px;
    font-size: 15px;
    box-shadow: 0 4px 16px rgba(200, 147, 60, 0.3);
    transition: transform .25s ease, box-shadow .25s ease;
}
.btn-accent:hover, .btn-accent:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 147, 60, 0.4);
    color: var(--primary);
}
.btn-outline-light-custom {
    border: 2px solid rgba(255, 255, 255, 0.6);
    color: #fff;
    border-radius: 30px;
    padding: 10px 26px;
    font-weight: 500;
    background: transparent;
    transition: all .25s ease;
}
.btn-outline-light-custom:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
}
.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
    padding: 6px 10px;
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(200, 147, 60, 0.5);
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 640px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 24, 40, 0.92) 0%, rgba(16, 24, 40, 0.72) 55%, rgba(16, 24, 40, 0.35) 100%);
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 147, 60, 0.25), transparent 70%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 720px; padding: 80px 0; }
.hero-badge {
    background: rgba(200, 147, 60, 0.18);
    color: var(--accent-light);
    border: 1px solid rgba(200, 147, 60, 0.4);
    font-size: 13px;
    font-weight: 600;
    padding: 7px 20px;
    border-radius: 30px;
    letter-spacing: .5px;
    margin-bottom: 22px;
}
.hero-content h1 {
    font-size: clamp(36px, 5vw, 58px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 1px;
}
.hero-content h1 span { color: var(--accent-light); }
.hero-content p {
    font-size: clamp(16px, 1.6vw, 19px);
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 32px;
    max-width: 600px;
    line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta {
    display: flex;
    gap: 26px;
    margin-top: 40px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
}
.hero-meta span { display: flex; align-items: center; gap: 8px; }
/* ===== Ticker ===== */
.ticker-bar {
    background: var(--primary-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 10px 0;
    overflow: hidden;
}
.ticker-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    white-space: nowrap;
    animation: tickerSlide 28s linear infinite;
}
.ticker-label {
    flex-shrink: 0;
    background: var(--accent);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.ticker-items {
    color: rgba(255, 255, 255, 0.82);
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
}
@keyframes tickerSlide {
    0% { transform: translateX(0); }
    100% { transform: translateX(-180px); }
}
/* ===== Feature Cards ===== */
.feature-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    height: 100%;
    transition: transform .3s ease, box-shadow .3s ease;
    position: relative;
    overflow: hidden;
}
.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-card:hover::after { transform: scaleX(1); }
.feature-card .feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 14px;
    background: rgba(200, 147, 60, 0.1);
    color: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.feature-card p { color: var(--text-weak); font-size: 15px; line-height: 1.75; }
/* ===== Category Card ===== */
.category-card {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    min-height: 320px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    color: #fff;
    box-shadow: var(--shadow);
    transition: transform .35s ease, box-shadow .35s ease;
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(16, 24, 40, 0.05) 0%, rgba(16, 24, 40, 0.88) 100%);
}
.category-card .category-card-body {
    position: relative;
    z-index: 2;
    padding: 32px;
    width: 100%;
}
.category-card .category-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent-light);
    margin-bottom: 16px;
}
.category-card h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
}
.category-card p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    margin-bottom: 18px;
    max-width: 440px;
}
.category-card .btn {
    border-radius: 30px;
    padding: 9px 24px;
    font-size: 14px;
    font-weight: 600;
}
/* ===== News Cards ===== */
.news-card {
    display: block;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: transform .3s ease, box-shadow .3s ease;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.news-card-img {
    position: relative;
    height: 190px;
    overflow: hidden;
}
.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(16, 24, 40, 0.3));
}
.news-card-body { padding: 24px 22px; }
.news-card-body .badge {
    background: rgba(200, 147, 60, 0.12);
    color: var(--accent-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
}
.news-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card-body p {
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.65;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-meta {
    font-size: 13px;
    color: #98a2b3;
    display: flex;
    align-items: center;
    gap: 6px;
}
/* ===== Stats ===== */
.stats-section {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 90px 0;
    color: #fff;
}
.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 24, 40, 0.94), rgba(16, 24, 40, 0.82));
}
.stats-section .container { position: relative; z-index: 2; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}
.stat-item {}
.stat-num {
    font-size: clamp(34px, 4vw, 52px);
    font-weight: 800;
    color: var(--accent-light);
    display: block;
    line-height: 1.2;
    margin-bottom: 6px;
}
.stat-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: .5px;
}
/* ===== Process ===== */
.process-step {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 34px 26px;
    height: 100%;
    text-align: center;
    position: relative;
    transition: transform .3s ease, box-shadow .3s ease;
}
.process-step:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.process-step .step-num {
    display: inline-block;
    font-size: 34px;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 2px var(--accent);
    margin-bottom: 14px;
}
.process-step h4 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.process-step p { color: var(--text-weak); font-size: 14px; line-height: 1.7; }
/* ===== FAQ ===== */
.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) !important;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: none;
}
.accordion-button {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    padding: 20px 24px;
    background: var(--bg-alt);
    border: none;
    box-shadow: none;
}
.accordion-button:not(.collapsed) {
    background: rgba(200, 147, 60, 0.05);
    color: var(--accent-dark);
    box-shadow: none;
}
.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(200, 147, 60, 0.15);
    border-color: rgba(200, 147, 60, 0.4);
}
.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c8933c'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}
.accordion-body {
    padding: 0 24px 20px;
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.75;
    background: var(--bg-alt);
}
/* ===== CTA ===== */
.cta-section {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 100px 0;
    color: #fff;
    text-align: center;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 24, 40, 0.92), rgba(16, 24, 40, 0.75));
}
.cta-section .container { position: relative; z-index: 2; }
.cta-content { max-width: 620px; margin: 0 auto; }
.cta-content h2 {
    font-size: clamp(28px, 3.4vw, 38px);
    font-weight: 800;
    margin-bottom: 14px;
}
.cta-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 17px;
    margin-bottom: 30px;
}
/* ===== Footer ===== */
.site-footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 70px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}
.footer-brand .brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 17px;
}
.footer-about p { font-size: 15px; line-height: 1.8; max-width: 340px; }
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 15px;
    transition: color .2s ease, padding-left .2s ease;
}
.footer-col ul li a:hover {
    color: var(--accent-light);
    padding-left: 4px;
}
.footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
/* ===== Empty State ===== */
.empty-box {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-alt);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-weak);
    font-size: 16px;
}
/* ===== Article Page ===== */
.article-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 80px 0;
    color: #fff;
}
.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 24, 40, 0.92), rgba(16, 24, 40, 0.7));
}
.article-hero .container { position: relative; z-index: 2; }
.article-hero .badge {
    background: rgba(200, 147, 60, 0.2);
    color: var(--accent-light);
    border: 1px solid rgba(200, 147, 60, 0.3);
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 16px;
}
.article-hero h1 {
    font-size: clamp(26px, 3.2vw, 42px);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 14px;
    max-width: 760px;
}
.article-meta {
    display: flex;
    gap: 22px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    flex-wrap: wrap;
}
.article-meta span { display: flex; align-items: center; gap: 6px; }
.article-body {
    padding: 60px 0;
}
.article-content {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    line-height: 1.95;
    font-size: 16px;
    color: var(--text);
    box-shadow: var(--shadow);
}
.article-content h2, .article-content h3, .article-content h4 {
    color: var(--primary);
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 14px;
}
.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }
.article-content p { margin-bottom: 18px; }
.article-content ul, .article-content ol {
    margin-bottom: 18px;
    padding-left: 22px;
}
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--accent-dark); font-weight: 500; }
.article-content a:hover { text-decoration: underline; }
.article-content blockquote {
    border-left: 4px solid var(--accent);
    padding: 14px 22px;
    background: rgba(200, 147, 60, 0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 24px 0;
    color: var(--text-weak);
}
.not-found-box {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 80px 30px;
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}
.not-found-box .nf-icon {
    font-size: 56px;
    color: var(--accent);
    margin-bottom: 20px;
}
.not-found-box h2 { font-size: 24px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.not-found-box p { color: var(--text-weak); margin-bottom: 24px; }
/* ===== Category Page ===== */
.cat-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 90px 0;
    color: #fff;
}
.cat-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(16, 24, 40, 0.9), rgba(16, 24, 40, 0.66));
}
.cat-hero .container { position: relative; z-index: 2; }
.cat-hero h1 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
}
.cat-hero p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 620px;
    margin-bottom: 28px;
}
.cat-hero .btn { margin-right: 10px; margin-bottom: 10px; }
.cat-intro-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    margin-top: -60px;
    position: relative;
    z-index: 3;
    box-shadow: var(--shadow-lg);
}
.cat-intro-card h3 { font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 14px; }
.cat-intro-card p { color: var(--text-weak); line-height: 1.8; }
.cat-grid-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
    transition: transform .3s ease, box-shadow .3s ease;
}
.cat-grid-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.cat-grid-card .cat-grid-img {
    height: 190px;
    overflow: hidden;
}
.cat-grid-card .cat-grid-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.cat-grid-card:hover .cat-grid-img img { transform: scale(1.05); }
.cat-grid-card .cat-grid-body { padding: 26px 22px; }
.cat-grid-card .cat-grid-body h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.cat-grid-card .cat-grid-body p { color: var(--text-weak); font-size: 14px; line-height: 1.7; margin-bottom: 14px; }
.cat-grid-card .cat-grid-body .btn {
    font-size: 14px;
    padding: 7px 20px;
    border-radius: 30px;
}
/* ===== Pagination / Back ===== */
.back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: 1px solid var(--border);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    background: var(--bg-alt);
    transition: all .25s ease;
}
.back-home:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
/* ===== Responsive ===== */
@media (max-width: 991px) {
    .section { padding: 60px 0; }
    .site-header .navbar-nav {
        padding: 16px 0;
    }
    .site-header .nav-link {
        padding: 12px 18px !important;
    }
    .site-header .nav-cta {
        margin-left: 12px !important;
        margin-top: 8px;
    }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    .hero { min-height: 520px; }
    .hero-content { padding: 60px 0; }
}
@media (max-width: 767px) {
    .section { padding: 48px 0; }
    .section-head { margin-bottom: 36px; }
    .hero { min-height: 460px; }
    .hero-content h1 { font-size: 32px; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .hero-meta { flex-direction: column; gap: 10px; margin-top: 24px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .article-content { padding: 28px 20px; }
    .cat-intro-card { padding: 28px 20px; margin-top: -40px; }
    .ticker-inner { animation-duration: 38s; }
}
@media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .hero-content h1 { font-size: 27px; }
    .hero-content p { font-size: 15px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .category-card { min-height: 260px; }
    .category-card .category-card-body { padding: 22px; }
    .cta-section { padding: 70px 0; }
}

/* roulang page: category1 */
:root {
            --brand: #0f766e;
            --brand-dark: #0b5e58;
            --brand-light: #ccfbf1;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --ink: #1e293b;
            --muted: #64748b;
            --bg: #f4f7fb;
            --card: #ffffff;
            --border: #dce6f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 32px rgba(15, 23, 42, .08);
            --shadow-lg: 0 22px 50px rgba(15, 23, 42, .14);
            --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            color: var(--ink);
            background: var(--bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding: 0 20px;
        }

        /* header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(15, 23, 42, .05);
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--ink);
            letter-spacing: .5px;
        }
        .navbar-brand:hover {
            color: var(--brand);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand), var(--brand-dark));
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
            box-shadow: 0 6px 14px rgba(15, 118, 110, .3);
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--ink);
            padding: 8px 16px;
            border-radius: 8px;
            transition: all .25s;
            position: relative;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--brand);
            background: var(--brand-light);
        }
        .nav-cta {
            padding: 10px 22px;
            font-weight: 700;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            border: none;
            box-shadow: 0 6px 16px rgba(245, 158, 11, .35);
            transition: all .25s;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245, 158, 11, .45);
            color: #fff;
        }
        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(15, 118, 110, .15);
        }

        /* page hero */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #0b2e2b 0%, var(--brand-dark) 55%, var(--brand) 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 88px 0 88px;
            color: #fff;
            isolation: isolate;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(6, 30, 28, .92) 10%, rgba(11, 60, 56, .78) 60%, rgba(15, 118, 110, .55) 100%);
            z-index: -1;
        }
        .page-hero .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .page-hero h1 {
            font-size: clamp(1.9rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-hero p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .85);
            max-width: 640px;
            margin-bottom: 28px;
        }
        .breadcrumb-hero {
            background: transparent;
            padding: 0;
            margin-bottom: 18px;
        }
        .breadcrumb-hero .breadcrumb-item,
        .breadcrumb-hero .breadcrumb-item a {
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
        }
        .breadcrumb-hero .breadcrumb-item a:hover {
            color: #fff;
        }
        .breadcrumb-hero .breadcrumb-item.active {
            color: #fff;
        }
        .breadcrumb-hero .breadcrumb-item::before {
            color: rgba(255, 255, 255, .5);
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-badges .badge {
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 600;
            font-size: .85rem;
            backdrop-filter: blur(6px);
        }

        /* section */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-tag {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand-dark);
            font-size: .8rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 10px;
        }
        .section-head p {
            color: var(--muted);
            max-width: 620px;
        }

        /* quick access cards */
        .access-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            height: 100%;
            transition: transform .3s, box-shadow .3s, border-color .3s;
            position: relative;
            overflow: hidden;
        }
        .access-card::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 78px;
            height: 78px;
            background: radial-gradient(circle at top right, rgba(15, 118, 110, .08), transparent 70%);
            border-radius: 0 0 0 40px;
        }
        .access-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 118, 110, .35);
        }
        .access-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand), var(--brand-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
            box-shadow: 0 8px 18px rgba(15, 118, 110, .25);
        }
        .access-card .badge-status {
            position: absolute;
            top: 20px;
            right: 20px;
            font-weight: 700;
            font-size: .75rem;
            padding: 4px 10px;
            border-radius: 30px;
        }
        .badge-status.online {
            background: #d1fae5;
            color: #047857;
        }
        .badge-status.maintain {
            background: #fef3c7;
            color: #b45309;
        }
        .access-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }
        .access-card p {
            color: var(--muted);
            font-size: .92rem;
            margin-bottom: 14px;
        }
        .access-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: .82rem;
        }
        .access-meta i {
            color: var(--brand);
        }

        /* cover card */
        .cover-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--card);
            border: 1px solid var(--border);
            transition: transform .3s, box-shadow .3s;
            height: 100%;
        }
        .cover-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .cover-card .cover-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .cover-card .cover-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .cover-card:hover .cover-img img {
            transform: scale(1.05);
        }
        .cover-card .cover-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(2, 24, 22, .55), transparent 70%);
        }
        .cover-card .cover-body {
            padding: 22px;
        }
        .cover-card .cover-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }
        .cover-card .cover-body p {
            color: var(--muted);
            font-size: .92rem;
            margin-bottom: 14px;
        }

        /* steps */
        .step-flow {
            counter-reset: step;
        }
        .step-item {
            position: relative;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 26px 26px 78px;
            height: 100%;
            transition: transform .3s, box-shadow .3s;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .step-item::before {
            counter-increment: step;
            content: "0" counter(step);
            position: absolute;
            left: 24px;
            top: 24px;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--brand);
            background: var(--brand-light);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
        }
        .step-item h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }
        .step-item p {
            color: var(--muted);
            font-size: .92rem;
            margin: 0;
        }
        .step-icon {
            position: absolute;
            right: 20px;
            bottom: 20px;
            font-size: 1.6rem;
            color: rgba(15, 118, 110, .12);
        }

        /* notice list */
        .notice-list {
            list-style: none;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .notice-list li {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            border-bottom: 1px solid #edf2f7;
            transition: background .25s;
        }
        .notice-list li:last-child {
            border-bottom: none;
        }
        .notice-list li:hover {
            background: #f8fafc;
        }
        .notice-tag {
            flex-shrink: 0;
            font-size: .75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 6px;
            background: var(--brand-light);
            color: var(--brand-dark);
        }
        .notice-tag.hot {
            background: #fee2e2;
            color: #b91c1c;
        }
        .notice-tag.new {
            background: #dbeafe;
            color: #1d4ed8;
        }
        .notice-text {
            flex: 1;
            font-weight: 600;
            color: var(--ink);
        }
        .notice-meta {
            color: var(--muted);
            font-size: .82rem;
            white-space: nowrap;
        }

        /* faq */
        .faq-wrap .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--card);
            box-shadow: 0 2px 8px rgba(15, 23, 42, .03);
        }
        .faq-wrap .accordion-button {
            font-weight: 700;
            color: var(--ink);
            background: var(--card);
            padding: 18px 22px;
            font-size: 1rem;
            border: none;
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            background: var(--brand-light);
            color: var(--brand-dark);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(15, 118, 110, .12);
        }
        .faq-wrap .accordion-body {
            color: var(--muted);
            padding: 6px 22px 20px;
            font-size: .95rem;
        }
        .faq-wrap .accordion-button::after {
            background-size: 14px;
        }

        /* cta */
        .cta-panel {
            background: linear-gradient(120deg, #093a36, var(--brand-dark) 55%, #0d6b62);
            border-radius: 24px;
            padding: 54px 50px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            top: -70px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }
        .cta-panel h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-panel p {
            color: rgba(255, 255, 255, .85);
            margin-bottom: 28px;
            max-width: 520px;
        }
        .cta-panel .btn-light {
            background: #fff;
            color: var(--brand-dark);
            font-weight: 700;
            border: none;
            border-radius: 12px;
            padding: 12px 30px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, .15);
            transition: all .3s;
        }
        .cta-panel .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, .22);
        }
        .cta-panel .btn-outline-light {
            border: 1.5px solid rgba(255, 255, 255, .45);
            color: #fff;
            background: transparent;
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 24px;
            transition: all .3s;
        }
        .cta-panel .btn-outline-light:hover {
            background: rgba(255, 255, 255, .15);
            color: #fff;
        }

        /* footer */
        .site-footer {
            background: #0b2422;
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 0;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            margin-bottom: 16px;
        }
        .footer-about p {
            font-size: .92rem;
            color: rgba(255, 255, 255, .65);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, .65);
            font-size: .92rem;
            transition: color .25s;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
        }

        /* responsive */
        @media (max-width: 1024px) {
            .section {
                padding: 64px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 60px 0;
            }
            .navbar-collapse {
                background: #fff;
                padding: 14px 12px;
                border-radius: 14px;
                margin-top: 12px;
                box-shadow: var(--shadow);
                border: 1px solid var(--border);
            }
            .navbar-nav .nav-link {
                padding: 10px 14px;
            }
            .nav-cta {
                width: 100%;
                text-align: center;
                margin-top: 8px;
            }
            .section-head {
                margin-bottom: 28px;
            }
            .step-item {
                padding-left: 48px;
            }
            .step-item::before {
                width: 32px;
                height: 32px;
                left: 14px;
                top: 24px;
                font-size: .95rem;
            }
            .cta-panel {
                padding: 38px 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .notice-list li {
                flex-wrap: wrap;
                gap: 10px;
            }
            .notice-meta {
                width: 100%;
                padding-left: 0;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 48px 0;
            }
            .navbar-brand {
                font-size: 1rem;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: .9rem;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: .95rem;
            }
            .hero-badges .badge {
                font-size: .78rem;
                padding: 6px 12px;
            }
            .access-card {
                padding: 22px 18px;
            }
            .cta-panel .btn-light,
            .cta-panel .btn-outline-light {
                width: 100%;
                margin-bottom: 10px;
            }
            .footer-bottom {
                font-size: .8rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #0e2a47;
            --primary-deep: #081f35;
            --accent: #ff6b35;
            --accent-dark: #e6551a;
            --teal: #0fb9a6;
            --bg-light: #f4f7fc;
            --text-dark: #1f2937;
            --text-muted: #64748b;
            --border: #e6ebf2;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-sm: 0 4px 16px rgba(14, 42, 71, 0.07);
            --shadow-md: 0 12px 30px rgba(14, 42, 71, 0.11);
            --shadow-hover: 0 18px 42px rgba(14, 42, 71, 0.15);
            --transition: all .3s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: #fff;
            color: var(--text-dark);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            transition: var(--transition);
        }

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

        .container {
            max-width: 1200px;
        }

        a:focus-visible,
        button:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 107, 53, .25);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 14px rgba(14, 42, 71, .06);
        }

        .navbar {
            min-height: 74px;
            padding: .7rem 0;
        }

        .navbar-brand {
            font-size: 1.22rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: .6rem;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #ff6b35, #ff9d5c);
            color: #fff;
            border-radius: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(255, 107, 53, .35);
            animation: floatIcon 3s ease-in-out infinite;
        }

        @keyframes floatIcon {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }

        .navbar .nav-link {
            color: #334155;
            font-weight: 600;
            padding: .55rem 1rem;
            border-radius: 10px;
            font-size: .95rem;
        }

        .navbar .nav-link:hover {
            color: var(--accent);
            background: rgba(255, 107, 53, .08);
        }

        .navbar .nav-link.active {
            color: var(--accent);
            background: rgba(255, 107, 53, .1);
        }

        .nav-cta {
            background: var(--accent);
            border: none;
            color: #fff;
            font-weight: 600;
            padding: .7rem 1.4rem;
            border-radius: 999px;
            box-shadow: 0 6px 16px rgba(255, 107, 53, .3);
        }

        .nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(255, 107, 53, .4);
        }

        .nav-cta:active {
            transform: scale(.98);
        }

        .navbar-toggler {
            border: none;
            padding: .45rem .7rem;
            border-radius: 10px;
            background: #f1f5f9;
        }

        .navbar-toggler:focus,
        .navbar-toggler:focus-visible {
            box-shadow: 0 0 0 3px rgba(255, 107, 53, .25);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(14,42,71,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 5.5rem 0 4.5rem;
            background-size: cover;
            background-position: center 22%;
            background-color: var(--primary-deep);
            color: #fff;
        }

        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 31, 53, .78), rgba(8, 31, 53, .68));
        }

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

        .breadcrumb-nav {
            font-size: .88rem;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 1.6rem;
            display: flex;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .75);
        }

        .breadcrumb-nav a:hover {
            color: #fff;
        }

        .breadcrumb-nav span {
            margin: 0 .5rem;
            color: rgba(255, 255, 255, .4);
        }

        .breadcrumb-nav .current {
            color: rgba(255, 255, 255, .95);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .35);
            color: #fff;
            font-size: .8rem;
            font-weight: 600;
            padding: .3rem 1rem;
            border-radius: 999px;
            margin-bottom: 1.1rem;
            letter-spacing: .05em;
        }

        .article-hero h1 {
            font-size: 2.3rem;
            font-weight: 800;
            max-width: 850px;
            line-height: 1.35;
            margin-bottom: 1.1rem;
        }

        .article-hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .86);
            max-width: 760px;
            margin-bottom: 1.4rem;
        }

        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.4rem;
            font-size: .9rem;
            color: rgba(255, 255, 255, .76);
        }

        .article-hero-meta i {
            margin-right: .4rem;
            color: #ffd3c2;
        }

        /* ===== Article Main ===== */
        .article-main-section {
            background: var(--bg-light);
            padding: 3.5rem 0;
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 2.6rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .article-prose {
            font-size: 1.02rem;
            line-height: 1.9;
            color: #374151;
        }

        .article-prose h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-bottom: .55rem;
            border-bottom: 2px solid #f0f4fa;
        }

        .article-prose h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin: 1.6rem 0 .8rem;
        }

        .article-prose p {
            margin-bottom: 1.15rem;
        }

        .article-prose a {
            color: var(--accent);
            font-weight: 600;
            border-bottom: 1px solid rgba(255, 107, 53, .35);
        }

        .article-prose a:hover {
            color: var(--accent-dark);
            border-bottom-color: var(--accent-dark);
        }

        .article-prose ul,
        .article-prose ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }

        .article-prose ul li,
        .article-prose ol li {
            margin-bottom: .45rem;
        }

        .article-prose img {
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            margin: 1.2rem 0;
            width: auto;
            height: auto;
        }

        .article-prose blockquote {
            border-left: 4px solid var(--accent);
            background: #fff8f5;
            padding: 1rem 1.4rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            color: #526274;
        }

        .article-prose table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }

        .article-prose table th,
        .article-prose table td {
            border: 1px solid var(--border);
            padding: .7rem 1rem;
        }

        .article-prose table th {
            background: #f8fafc;
            font-weight: 600;
            color: var(--primary);
        }

        .article-footer-tags {
            margin-top: 2rem;
            padding-top: 1.3rem;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .6rem;
            font-size: .9rem;
            color: var(--text-muted);
        }

        .tag-link {
            display: inline-block;
            background: #f1f5f9;
            color: #475569;
            padding: .35rem .9rem;
            border-radius: 999px;
            font-size: .83rem;
            font-weight: 600;
        }

        .tag-link:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ==== Not Found ==== */
        .not-found-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed #d8dee9;
            padding: 4.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .nf-icon {
            width: 68px;
            height: 68px;
            background: #fff1ec;
            color: var(--accent);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 1.2rem;
        }

        .not-found-card h2 {
            font-size: 1.55rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: .8rem;
        }

        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 1.6rem;
        }

        /* ===== Sidebar ===== */
        .article-sidebar .sidebar-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.6rem;
            box-shadow: var(--shadow-sm);
            margin-bottom: 1.5rem;
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: .55rem;
        }

        .sidebar-card h3 i {
            color: var(--accent);
        }

        .sidebar-card p {
            font-size: .92rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
        }

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

        .sidebar-list li {
            display: flex;
            align-items: flex-start;
            gap: .6rem;
            padding: .45rem 0;
            font-size: .92rem;
            color: #475569;
            border-bottom: 1px dashed #edf1f6;
        }

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

        .sidebar-list i {
            color: var(--teal);
            margin-top: .3rem;
        }

        .cta-card {
            background: linear-gradient(135deg, var(--primary), #1a4a75);
            border: none !important;
        }

        .cta-card h3 {
            color: #fff;
        }

        .cta-card h3 i {
            color: #ffb194;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .8);
        }

        .cta-card .btn-accent {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            border: none;
            padding: .75rem 1.4rem;
            border-radius: 999px;
            box-shadow: 0 8px 18px rgba(255, 107, 53, .35);
            transition: var(--transition);
        }

        .cta-card .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: .55rem;
        }

        .tag-badge {
            display: inline-block;
            background: #f1f5f9;
            color: #475569;
            padding: .4rem 1rem;
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 600;
            border: 1px solid transparent;
        }

        .tag-badge:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        /* ===== Featured ===== */
        .featured-section {
            padding: 4.5rem 0;
            background: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 2.6rem;
        }

        .section-eyebrow {
            display: inline-block;
            background: #fff1ec;
            color: var(--accent);
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .14em;
            padding: .35rem 1.1rem;
            border-radius: 999px;
            margin-bottom: .8rem;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: .65rem;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: .98rem;
        }

        .feature-card {
            display: block;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: #ffd3c2;
        }

        .feature-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .feature-card-body {
            padding: 1.5rem 1.6rem 1.7rem;
        }

        .feature-card-body .feature-label {
            display: inline-block;
            background: #eaf7f6;
            color: #0b8f82;
            font-size: .78rem;
            font-weight: 700;
            border-radius: 999px;
            padding: .25rem .85rem;
            margin-bottom: .9rem;
        }

        .feature-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: .5rem;
        }

        .feature-card-body p {
            font-size: .92rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .feature-more {
            font-size: .9rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: .3rem;
        }

        .feature-more i {
            transition: transform .3s;
        }

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

        /* ===== Guide ===== */
        .guide-section {
            background: linear-gradient(135deg, var(--primary), #174870);
            padding: 4.5rem 0;
            color: #fff;
        }

        .section-head.light h2 {
            color: #fff;
        }

        .section-head.light p {
            color: rgba(255, 255, 255, .75);
        }

        .step-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: var(--radius);
            padding: 1.8rem 1.5rem;
            backdrop-filter: blur(8px);
            transition: var(--transition);
            height: 100%;
        }

        .step-card:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-4px);
        }

        .step-num {
            width: 44px;
            height: 44px;
            background: var(--accent);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 1.1rem;
            box-shadow: 0 6px 16px rgba(255, 107, 53, .4);
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: .55rem;
        }

        .step-card p {
            font-size: .9rem;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 4.5rem 0;
            background: var(--bg-light);
        }

        .accordion {
            --bs-accordion-border-color: var(--border);
            --bs-accordion-border-radius: 14px;
            --bs-accordion-btn-bg: #fff;
            --bs-accordion-active-bg: #fff;
            --bs-accordion-active-color: var(--accent);
            --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(255, 107, 53, .18);
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: 14px !important;
            overflow: hidden;
            margin-bottom: 1rem;
            box-shadow: var(--shadow-sm);
        }

        .accordion-button {
            font-weight: 600;
            color: var(--primary);
            padding: 1.25rem 1.4rem;
        }

        .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: #fffaf7;
        }

        .accordion-button:not(.collapsed)::after {
            filter: none;
        }

        .accordion-body {
            color: #526274;
            font-size: .95rem;
            line-height: 1.85;
            padding: 0 1.4rem 1.3rem;
            border-top: 1px solid #f4f6fa;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 4.5rem 0;
            background-size: cover;
            background-position: center;
            text-align: center;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 31, 53, .88), rgba(23, 72, 112, .82));
        }

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

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .82);
            font-size: 1.05rem;
            max-width: 620px;
            margin: 0 auto 1.8rem;
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            border-radius: 999px;
            padding: .8rem 2rem;
            border: none;
            box-shadow: 0 10px 24px rgba(0, 0, 0, .2);
            transition: var(--transition);
        }

        .btn-light:hover {
            background: #ffe0d4;
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(0, 0, 0, .25);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, .75);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 2.5rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: .6rem;
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-brand .brand-icon {
            animation: none;
        }

        .footer-about p {
            font-size: .9rem;
            color: rgba(255, 255, 255, .6);
            max-width: 420px;
            line-height: 1.8;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.1rem;
        }

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

        .footer-col ul li {
            margin-bottom: .55rem;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, .65);
            font-size: .92rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 1.4rem 0;
            text-align: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: #fff;
                border: 1px solid var(--border);
                border-radius: var(--radius-sm);
                margin-top: 1rem;
                padding: 1rem;
                box-shadow: var(--shadow-md);
            }

            .navbar-nav .nav-item {
                margin: .3rem 0;
            }

            .navbar-nav .nav-cta {
                margin-left: 0 !important;
                width: 100%;
                text-align: center;
                margin-top: .6rem;
            }

            .article-sidebar {
                margin-top: 1rem;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 3.5rem 0;
            }

            .article-hero h1 {
                font-size: 1.7rem;
            }

            .article-card {
                padding: 1.5rem;
            }

            .section-head h2 {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .article-main-section {
                padding: 2.5rem 0;
            }

            .featured-section,
            .guide-section,
            .faq-section,
            .cta-section {
                padding: 3rem 0;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.05rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: .9rem;
            }

            .article-hero h1 {
                font-size: 1.45rem;
            }

            .article-hero-meta {
                gap: .8rem;
            }

            .article-card {
                padding: 1.15rem;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .article-prose {
                font-size: .98rem;
            }
        }