/* roulang page: index */
:root {
  --teal-900: #0B3232;
  --teal-800: #0E5E5E;
  --teal-700: #0F4A4A;
  --gold-500: #D4A24C;
  --gold-400: #E0B45E;
  --warm-bg: #F7F5F1;
  --text-main: #1F2937;
  --text-sub: #6B7280;
  --text-mute: #9CA3AF;
  --border: #E5E7EB;
  --success: #2F855A;
  --danger: #C53030;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --shadow-hover: 0 4px 12px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--warm-bg);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  background: var(--teal-800);
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.header-left { display: flex; align-items: center; padding-left: 16px; flex: 1; min-width: 0; }
.header-right { display: flex; align-items: center; gap: 12px; padding-right: 16px; }
.site-logo { display: flex; align-items: center; gap: 8px; }
.logo-icon { width: 30px; height: 30px; background: var(--gold-500); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--teal-900); font-size: 0.85rem; flex-shrink: 0; }
.logo-text { font-size: 1.1rem; font-weight: 700; color: #fff; letter-spacing: 0.01em; white-space: nowrap; }
.main-nav { display: none; }
.search-toggle { display: none; width: 36px; height: 36px; border-radius: 8px; color: #fff; font-size: 0.9rem; align-items: center; justify-content: center; transition: background .2s; }
.search-toggle:hover { background: rgba(255,255,255,.12); color: var(--gold-400); }
.header-cta { display: none; background: var(--gold-500); color: var(--teal-900); font-weight: 600; font-size: 0.9rem; padding: 8px 20px; border-radius: 8px; transition: background .2s, transform .2s; }
.header-cta:hover { background: var(--gold-400); transform: translateY(-1px); }
.mobile-toggle { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
.mobile-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s, opacity .3s; }
.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  right: 0;
  width: 260px;
  height: calc(100vh - 56px);
  background: var(--teal-800);
  padding: 24px 20px;
  flex-direction: column;
  gap: 6px;
  z-index: 99;
  box-shadow: -8px 0 24px rgba(0,0,0,.2);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 14px 16px; color: #fff; border-radius: 8px; font-size: 1.02rem; font-weight: 500; transition: background .2s, color .2s; }
.mobile-menu a:hover { background: rgba(255,255,255,.08); color: var(--gold-400); }
.mobile-menu a.active { color: var(--gold-400); }
.mobile-menu .mobile-cta { margin-top: 12px; background: var(--gold-500); color: var(--teal-900); text-align: center; font-weight: 600; }
.mobile-menu .mobile-cta:hover { background: var(--gold-400); color: var(--teal-900); }
@media (min-width: 1024px) {
  .site-header { height: 64px; background: transparent; box-shadow: none; justify-content: flex-start; }
  .header-left { flex: 0 0 58%; padding-left: 24px; position: relative; background: transparent; transition: background .3s ease; }
  .header-left::after { content: ''; position: absolute; right: 0; top: 0; height: 100%; width: 1px; background: linear-gradient(to bottom, var(--gold-500), rgba(212,162,76,.3)); }
  .header-right { flex: 1; height: 64px; background: var(--teal-800); display: flex; align-items: center; justify-content: flex-end; gap: 14px; padding-right: 24px; }
  .site-logo { margin-right: 0; }
  .logo-text { color: var(--teal-700); transition: color .3s; }
  .main-nav { display: flex; align-items: center; gap: 28px; margin-left: 36px; }
  .nav-link { font-size: 0.95rem; font-weight: 500; color: var(--teal-700); padding: 6px 2px; position: relative; transition: color .3s; }
  .nav-link::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--gold-500); border-radius: 2px; transition: width .3s; }
  .nav-link:hover::after { width: 100%; }
  .nav-link.active { color: var(--teal-700); }
  .nav-link.active::after { width: 100%; }
  .search-toggle { display: flex; }
  .header-cta { display: inline-flex; align-items: center; }
  .mobile-toggle { display: none; }
  .mobile-menu { display: none !important; }
  .site-header.scrolled { background: var(--teal-800); box-shadow: 0 2px 12px rgba(0,0,0,.15); }
  .site-header.scrolled .header-left { background: var(--teal-800); }
  .site-header.scrolled .logo-text { color: #fff; }
  .site-header.scrolled .nav-link { color: rgba(255,255,255,.85); }
  .site-header.scrolled .nav-link.active { color: #fff; }
  .site-header.scrolled .nav-link.active::after { background: var(--gold-500); }
}
@media (min-width: 1248px) {
  .header-left { padding-left: calc((100vw - 1200px) / 2 + 24px); }
  .header-right { padding-right: calc((100vw - 1200px) / 2 + 24px); }
}

/* hero */
.hero { background: var(--warm-bg); }
.hero-inner { display: flex; flex-direction: column; }
.hero-content { padding: 2.5rem 1rem 2rem; max-width: 580px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(212,162,76,.15); color: var(--teal-800);
  border: 1px solid rgba(212,162,76,.4); border-radius: 999px;
  padding: 6px 16px; font-size: 0.85rem; font-weight: 600; margin-bottom: 1.5rem;
}
.hero-badge i { color: var(--gold-500); }
.hero-title { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; line-height: 1.25; color: var(--teal-700); margin-bottom: 0.6em; }
.hero-desc { font-size: 1.125rem; color: var(--text-sub); line-height: 1.75; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 28px; border-radius: 8px; font-weight: 600; font-size: 1rem; transition: all .2s ease; }
.btn-gold { background: var(--gold-500); color: var(--teal-900); }
.btn-gold:hover { background: var(--gold-400); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(212,162,76,.35); }
.btn-gold:active { transform: translateY(0); }
.btn-outline { border: 1.5px solid var(--teal-700); color: var(--teal-700); background: transparent; }
.btn-outline:hover { background: rgba(15,74,74,.06); transform: translateY(-2px); }
.btn-outline-light { border-color: rgba(255,255,255,.7); color: var(--teal-800); }
.btn-outline-light:hover { background: rgba(255,255,255,.1); color: var(--teal-900); }
.btn:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 2px; }
.btn-block { width: 100%; }
.hero-visual { position: relative; overflow: hidden; height: 280px; background: var(--teal-800); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual-mask { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11,50,50,.6) 0%, rgba(11,50,50,.15) 60%, rgba(11,50,50,.4) 100%); }
.hero-status-card {
  position: absolute; bottom: 24px; left: 24px;
  background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-radius: 12px; padding: 10px 16px;
  color: var(--teal-800); font-weight: 600; font-size: 0.9rem;
  box-shadow: var(--shadow-card); display: flex; align-items: center; gap: 8px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px rgba(47,133,90,.2); }
@media (min-width: 1024px) {
  .hero-inner { flex-direction: row; min-height: calc(90vh - 64px); }
  .hero-content { flex: 0 0 58%; padding: 0 60px 0 24px; display: flex; flex-direction: column; justify-content: center; }
  .hero-visual { flex: 1; height: auto; }
}
@media (min-width: 1248px) {
  .hero-content { padding-left: calc((100vw - 1200px) / 2 + 24px); }
}

/* section common */
.section { padding: 3.5rem 0; }
@media (min-width: 768px) { .section { padding: 5rem 0; } }
.section-head { max-width: 640px; margin-bottom: 2.5rem; }
.section-head h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; color: var(--teal-700); margin-bottom: .75rem; line-height: 1.3; }
.section-head p { color: var(--text-sub); font-size: 1rem; }

/* metrics */
.metrics { padding: 2.5rem 0 4rem; }
.metric-card {
  background: #fff; border-radius: var(--radius-lg); padding: 1.5rem;
  box-shadow: var(--shadow-card); border-top: 4px solid var(--gold-500);
  transition: box-shadow .3s, transform .3s; height: 100%;
}
.metric-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.metric-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(212,162,76,.15); color: var(--gold-500); display: flex; align-items: center; justify-content: center; font-size: 1rem; margin-bottom: 1rem; }
.metric-num { font-size: 2.2rem; font-weight: 800; color: var(--teal-800); line-height: 1.15; }
.metric-label { font-size: 0.95rem; font-weight: 600; color: var(--text-main); margin-top: 0.5rem; }
.metric-sub { font-size: 0.8rem; color: var(--text-mute); margin-top: 0.25rem; }
@media (min-width: 1024px) { .metric-num { font-size: 2.5rem; } }

/* services */
.services { background: #fff; }
.services-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.service-card {
  background: var(--warm-bg); border-radius: var(--radius-lg); padding: 2rem;
  box-shadow: var(--shadow-card); border: 1px solid transparent;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(15,74,74,.3); }
.service-card:hover .service-icon { background: var(--teal-800); color: var(--gold-400); }
.service-card:hover .service-link i { transform: translateX(4px); }
.service-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(212,162,76,.15); color: var(--gold-500); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; margin-bottom: 1.25rem; transition: background .3s, color .3s; }
.service-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-main); margin-bottom: .75rem; }
.service-card p { color: var(--text-sub); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.25rem; }
.service-link { color: var(--teal-800); font-weight: 600; font-size: 0.95rem; }
.service-link i { transition: transform .3s; margin-left: 4px; }
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: 7fr 5fr; }
  .service-card:nth-child(1) { grid-column: 1; grid-row: 1; }
  .service-card:nth-child(2) { grid-column: 2; grid-row: 1; }
  .service-card:nth-child(3) { grid-column: 2; grid-row: 2; }
  .service-card:nth-child(4) { grid-column: 1; grid-row: 2; }
}

/* comparison */
.comparison-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.compare-block { border-radius: var(--radius-lg); padding: 2rem; }
.compare-bad { background: #fff; border: 1px solid var(--border); }
.compare-good { background: #FDF8EE; border: 1px solid rgba(212,162,76,.35); }
.compare-block h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; display: flex; align-items: center; gap: 8px; }
.compare-bad h3 { color: var(--danger); }
.compare-good h3 { color: var(--teal-800); }
.compare-block ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.compare-block li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; line-height: 1.6; }
.compare-bad li { color: var(--text-sub); }
.compare-good li { color: var(--text-main); }
.cmp-icon { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.7rem; margin-top: 2px; }
.cmp-minus { background: rgba(197,48,48,.12); color: var(--danger); }
.cmp-check { background: rgba(47,133,90,.12); color: var(--success); }
.compare-arrow { display: flex; justify-content: center; align-items: center; font-size: 1.6rem; color: var(--gold-500); }
@media (max-width: 1023px) { .compare-arrow { transform: rotate(90deg); } }
@media (min-width: 1024px) {
  .comparison-grid { grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: center; }
}

/* news */
.news { background: #fff; }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex; align-items: center; gap: 20px;
  background: var(--warm-bg); border-radius: var(--radius-md);
  padding: 16px; border: 1px solid transparent; transition: all .3s;
}
.news-item:hover { background: #fff; box-shadow: var(--shadow-card); border-color: var(--border); }
.news-item:hover .news-thumb img { transform: scale(1.05); }
.news-thumb { width: 80px; height: 80px; border-radius: 12px; overflow: hidden; flex-shrink: 0; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.news-main { flex: 1; min-width: 0; }
.news-main h3 { font-size: 1rem; font-weight: 600; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 4px; }
.news-main p { font-size: 0.85rem; color: var(--text-sub); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; flex-shrink: 0; }
.news-tag { background: rgba(15,74,74,.08); color: var(--teal-700); font-size: 0.75rem; font-weight: 600; padding: 4px 12px; border-radius: 999px; }
.news-meta time { font-size: 0.8rem; color: var(--text-mute); }
.news-empty { padding: 3rem 1rem; text-align: center; color: var(--text-mute); background: var(--warm-bg); border-radius: var(--radius-lg); font-size: 0.95rem; }
.news-empty i { font-size: 2rem; margin-bottom: 0.75rem; color: var(--gold-500); display: block; }
@media (max-width: 520px) {
  .news-item { flex-direction: column; align-items: flex-start; gap: 12px; }
  .news-thumb { width: 100%; height: 160px; }
  .news-meta { flex-direction: row; align-items: center; }
}

/* faq */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-card); border: 1px solid var(--border); transition: box-shadow .3s, border-color .3s; }
.faq-item.active { box-shadow: var(--shadow-hover); border-color: rgba(212,162,76,.4); }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 1.25rem 1.5rem; font-size: 1rem; font-weight: 600; color: var(--text-main); text-align: left; transition: color .2s; }
.faq-question:hover { color: var(--teal-700); }
.faq-question:focus-visible { outline: 2px solid var(--gold-500); outline-offset: -2px; border-radius: 12px; }
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: rgba(15,74,74,.08); display: flex; align-items: center; justify-content: center; color: var(--teal-700); font-size: 0.8rem; transition: all .3s; flex-shrink: 0; }
.faq-item.active .faq-icon { background: var(--gold-500); color: var(--teal-900); transform: rotate(225deg); }
.faq-answer { display: none; padding: 0 1.5rem 1.5rem; color: var(--text-sub); }
.faq-item.active .faq-answer { display: block; padding-top: 1rem; border-top: 2px solid var(--gold-500); }
.faq-answer p { font-size: 0.95rem; line-height: 1.75; }

/* cta form */
.cta-form { background: var(--teal-800); }
.cta-wrap { display: grid; gap: 2.5rem; }
.cta-left h2 { font-size: clamp(1.75rem, 2.5vw, 2.25rem); font-weight: 700; color: #fff; margin-bottom: 1rem; line-height: 1.3; }
.cta-left > p { color: rgba(255,255,255,.75); margin-bottom: 1.5rem; font-size: 1rem; }
.cta-points { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.cta-points li { color: rgba(255,255,255,.85); font-size: 0.9rem; display: flex; align-items: center; gap: 10px; }
.cta-points i { color: var(--gold-400); width: 16px; text-align: center; }
.contact-form { background: #fff; border-radius: var(--radius-lg); padding: 2rem; box-shadow: 0 8px 32px rgba(0,0,0,.15); }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-main); margin-bottom: 6px; }
.form-group input, .form-group select { width: 100%; padding: 12px 14px; border: 1px solid #D1D5DB; border-radius: var(--radius-sm); font-size: 0.95rem; transition: border-color .2s, box-shadow .2s; background: #fff; color: var(--text-main); }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--gold-500); box-shadow: 0 0 0 3px rgba(212,162,76,.15); }
.form-group input::placeholder { color: var(--text-mute); }
.form-privacy { font-size: 0.8rem; color: var(--text-sub); text-align: center; margin-top: 0.75rem; }
@media (min-width: 1024px) {
  .cta-wrap { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
}

/* footer */
.site-footer { background: var(--teal-900); color: rgba(255,255,255,.7); padding: 4rem 0 0; }
.footer-grid { display: grid; gap: 2.5rem; padding-bottom: 3rem; }
.footer-logo { font-size: 1.25rem; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 1rem; }
.footer-logo .logo-icon { width: 34px; height: 34px; background: var(--gold-500); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--teal-900); font-size: 0.95rem; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,.6); line-height: 1.7; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.footer-col a { display: block; color: rgba(255,255,255,.65); font-size: 0.9rem; padding: 5px 0; transition: color .2s; }
.footer-col a:hover { color: var(--gold-400); }
.footer-col p { font-size: 0.85rem; color: rgba(255,255,255,.55); margin-bottom: 1rem; }
.safe-badge { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--gold-500); color: var(--gold-400); border-radius: 999px; padding: 6px 14px; font-size: 0.8rem; font-weight: 600; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1.5rem 0; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,.45); }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }

/* roulang page: article */
:root {
            --teal-dark: #0B3232;
            --teal: #0F4A4A;
            --teal-light: #0E5E5E;
            --gold: #D4A24C;
            --gold-light: #E0B45E;
            --bg-warm: #F7F5F1;
            --text-main: #1F2937;
            --text-sub: #6B7280;
            --text-weak: #9CA3AF;
            --border: #E5E7EB;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 12px rgba(0, 0, 0, .04);
            --shadow-hover: 0 4px 12px rgba(0, 0, 0, .08), 0 12px 32px rgba(0, 0, 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 SC", sans-serif;
            background: var(--bg-warm);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header Navigation ===== */
        .site-header {
            background: var(--teal-dark);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 4px rgba(0, 0, 0, .3);
        }
        .site-header.scrolled {
            background: var(--teal-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, .25);
        }
        .nav-link {
            position: relative;
            color: #fff;
            padding: 6px 2px;
            font-size: .95rem;
            font-weight: 500;
            border-bottom: 2px solid transparent;
            transition: color .2s ease, border-color .2s ease;
        }
        .nav-link:hover {
            color: var(--gold-light);
        }
        .nav-link.active {
            color: var(--gold-light);
            border-bottom-color: var(--gold);
        }
        .btn-gold {
            background: var(--gold);
            color: var(--teal-dark);
            font-weight: 600;
            border-radius: 8px;
            padding: 10px 22px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
            box-shadow: 0 2px 8px rgba(212, 162, 76, .3);
        }
        .btn-gold:hover {
            background: var(--gold-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(212, 162, 76, .4);
        }
        .btn-gold:active {
            transform: translateY(0);
        }
        .btn-outline {
            border: 1.5px solid var(--gold);
            color: var(--gold);
            border-radius: 8px;
            padding: 10px 22px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .2s ease;
        }
        .btn-outline:hover {
            background: rgba(212, 162, 76, .12);
            color: var(--gold-light);
            border-color: var(--gold-light);
        }
        .search-btn {
            background: transparent;
            border: none;
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            cursor: pointer;
            transition: background .2s ease, color .2s ease;
        }
        .search-btn:hover {
            background: rgba(255, 255, 255, .1);
            color: var(--gold-light);
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: var(--teal-dark);
            z-index: 100;
            padding: 80px 24px 24px;
            transition: right .3s ease;
            box-shadow: -4px 0 24px rgba(0, 0, 0, .4);
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-menu a {
            display: block;
            color: #fff;
            padding: 14px 8px;
            font-size: 1.05rem;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .mobile-menu a:hover {
            color: var(--gold-light);
        }
        .mobile-menu a.active {
            color: var(--gold-light);
            padding-left: 16px;
            border-left: 3px solid var(--gold);
        }
        .menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .5);
            z-index: 90;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease;
        }
        .menu-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        .mobile-toggle {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, .1);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-bar a:hover {
            color: var(--teal);
        }
        .breadcrumb-title {
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
            vertical-align: bottom;
        }

        /* ===== Article Header ===== */
        .article-header {
            background: #fff;
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(15, 74, 74, .08);
            color: var(--teal);
            font-size: .8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(15, 74, 74, .15);
        }
        .article-title {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--teal-dark);
            margin-top: 18px;
            letter-spacing: -0.01em;
        }
        .article-meta-row {
            color: var(--text-weak);
            font-size: .875rem;
            margin-top: 16px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-meta-row span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Article Content ===== */
        .article-body {
            background: var(--bg-warm);
            padding: 56px 0 64px;
        }
        .article-content {
            max-width: 720px;
            margin: 0 auto;
            font-size: 1rem;
            line-height: 1.85;
            color: var(--text-main);
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--teal);
            margin: 1.8em 0 .8em;
            line-height: 1.4;
            padding-bottom: .4em;
            border-bottom: 2px solid rgba(212, 162, 76, .3);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--teal-dark);
            margin: 1.5em 0 .6em;
        }
        .article-content p {
            margin-bottom: 1.25em;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25em;
            padding-left: 1.6em;
        }
        .article-content li {
            margin: .5em 0;
        }
        .article-content blockquote {
            border-left: 4px solid var(--gold);
            background: #FDF8EE;
            padding: 1em 1.2em;
            border-radius: 0 10px 10px 0;
            margin: 1.5em 0;
            color: var(--text-sub);
            font-style: normal;
        }
        .article-content img {
            border-radius: 12px;
            margin: 1.5em 0;
            box-shadow: var(--shadow-card);
        }
        .article-content code {
            background: #F1F0EC;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: .9em;
            color: var(--teal);
        }
        .article-content pre {
            background: var(--teal-dark);
            color: #e5e7eb;
            padding: 1.2em;
            border-radius: 12px;
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: .9rem;
            line-height: 1.6;
        }
        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .article-content a {
            color: var(--teal);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--gold);
        }

        /* ===== Empty State ===== */
        .empty-state {
            max-width: 520px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 24px;
        }
        .empty-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-weak);
            font-size: 1.6rem;
            box-shadow: var(--shadow-card);
        }

        /* ===== Related ===== */
        .related-section {
            background: #fff;
            padding: 56px 0 64px;
            border-top: 1px solid var(--border);
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--teal-dark);
            position: relative;
            padding-bottom: 14px;
            margin-bottom: 32px;
            text-align: center;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 56px;
            height: 4px;
            background: var(--gold);
            border-radius: 999px;
        }
        .related-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(229, 231, 235, .6);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            display: block;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(15, 74, 74, .2);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 20px;
        }
        .related-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color .2s;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .related-card:hover h3 {
            color: var(--teal);
        }
        .related-card .card-date {
            font-size: .8rem;
            color: var(--text-weak);
        }

        /* ===== Back Links ===== */
        .back-links {
            background: var(--bg-warm);
            padding: 24px 0 48px;
            border-top: 1px solid var(--border);
        }
        .back-links .inner {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .back-links a {
            color: var(--teal);
            font-size: .925rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 0;
        }
        .back-links a:hover {
            color: var(--gold);
        }

        /* ===== CTA Strip ===== */
        .cta-strip {
            background: var(--teal-dark);
            padding: 48px 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--teal-dark);
            color: rgba(255, 255, 255, .8);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 700;
        }
        .footer-brand p {
            margin-top: 12px;
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            color: rgba(255, 255, 255, .6);
            font-size: .875rem;
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--gold-light);
        }
        .footer-col p {
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
        }
        .safe-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--gold);
            color: var(--gold-light);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: .8rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            text-align: center;
            font-size: .8rem;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                display: none !important;
            }
            .header-actions {
                display: none !important;
            }
        }
        @media (min-width: 1025px) {
            .mobile-toggle {
                display: none !important;
            }
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-header {
                padding: 32px 0 28px;
            }
            .article-body {
                padding: 40px 0;
            }
            .related-section {
                padding: 40px 0;
            }
            .breadcrumb-title {
                max-width: 180px;
            }
        }
        @media (max-width: 520px) {
            .article-title {
                font-size: 1.5rem;
            }
            .related-card img {
                height: 150px;
            }
            .cta-strip .inner {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
  --teal-900: #0B3232;
  --teal-700: #0E5E5E;
  --teal-600: #0F4A4A;
  --gold-500: #D4A24C;
  --gold-400: #E0B45E;
  --bg: #F7F5F1;
  --text: #1F2937;
  --text-sub: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --success: #2F855A;
  --danger: #C53030;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
  --shadow-hover: 0 4px 12px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 1rem;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 50, 50, 0.97);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  border-bottom: 1px solid rgba(212,162,76,.25);
  backdrop-filter: blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-left { display: flex; align-items: center; gap: 32px; }
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
  white-space: nowrap;
  transition: color .2s;
}
.logo:hover { color: var(--gold-400); }
.logo-icon {
  width: 32px; height: 32px;
  background: var(--gold-500);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-900);
  font-size: 0.9rem;
  transition: background .2s;
}
.logo:hover .logo-icon { background: var(--gold-400); }
.main-nav { display: flex; align-items: center; gap: 24px; }
.nav-link {
  color: rgba(255,255,255,.85);
  font-size: 0.9375rem;
  padding: 6px 2px;
  position: relative;
  transition: color .2s;
}
.nav-link:hover { color: #fff; }
.nav-link.active { color: var(--gold-400); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--gold-400);
  border-radius: 2px;
}
.nav-right { display: flex; align-items: center; gap: 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all .2s ease;
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.btn-gold {
  background: var(--gold-500);
  color: var(--teal-900);
  padding: 10px 20px;
  font-size: 0.9375rem;
}
.btn-gold:hover {
  background: var(--gold-400);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(212,162,76,.35);
}
.btn-gold:active { transform: translateY(0); box-shadow: none; }
.btn-outline {
  border: 1.5px solid rgba(255,255,255,.7);
  color: #fff;
  padding: 9px 18px;
  font-size: 0.9375rem;
}
.btn-outline:hover { border-color: var(--gold-400); color: var(--gold-400); }
.btn-outline-gold {
  border: 1.5px solid var(--gold-500);
  color: var(--gold-500);
  padding: 11px 24px;
  font-size: 0.9375rem;
  background: transparent;
}
.btn-outline-gold:hover { background: var(--gold-500); color: var(--teal-900); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(212,162,76,.3); }
.nav-toggle {
  display: none;
  color: #fff;
  font-size: 1.25rem;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background .2s;
}
.nav-toggle:hover { background: rgba(255,255,255,.1); }

/* Page Hero */
.page-hero {
  margin-top: 64px;
  background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-700) 100%);
  color: #fff;
  overflow: hidden;
  position: relative;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(212,162,76,.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 64px;
  padding-bottom: 64px;
  min-height: 340px;
  position: relative;
  z-index: 1;
}
.page-hero-content { flex: 0 0 55%; max-width: 640px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gold-500);
  color: var(--teal-900);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 14px rgba(212,162,76,.3);
}
.page-hero h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #fff;
}
.page-hero-content > p {
  color: rgba(255,255,255,.85);
  font-size: 1.0625rem;
  margin-bottom: 24px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  display: inline-block;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  padding: 5px 16px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,.9);
  transition: all .2s;
}
.tag:hover { background: rgba(255,255,255,.2); border-color: var(--gold-400); color: var(--gold-400); }
.page-hero-visual {
  flex: 0 0 42%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 3px solid rgba(212,162,76,.45);
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
  transition: box-shadow .3s;
}
.page-hero-visual:hover { box-shadow: 0 24px 60px rgba(0,0,0,.45); }
.page-hero-visual img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; }

/* Content Section */
.content-section { padding: 64px 0; }
.content-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: start;
}
.content-main { display: flex; flex-direction: column; gap: 32px; }
.content-block {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 36px;
  border: 1px solid rgba(229,231,235,.7);
  transition: box-shadow .25s;
}
.content-block:hover { box-shadow: var(--shadow-hover); }
.content-block h2 {
  font-size: 1.5rem;
  color: var(--teal-600);
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold-500);
  display: inline-block;
}
.content-block .lead { color: var(--text-sub); margin-bottom: 28px; }

/* Point Grid */
.point-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.point-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  border: 1px solid var(--border);
  transition: all .25s ease;
  height: 100%;
}
.point-card:hover {
  border-color: var(--gold-500);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.point-icon {
  width: 40px; height: 40px;
  background: var(--gold-500);
  color: var(--teal-900);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-bottom: 14px;
  transition: all .25s;
}
.point-card:hover .point-icon { background: var(--teal-600); color: var(--gold-400); }
.point-card h3 { font-size: 1rem; margin-bottom: 8px; color: var(--teal-600); font-weight: 600; }
.point-card p { font-size: 0.875rem; color: var(--text-sub); line-height: 1.65; }

/* Steps */
.steps { display: flex; flex-direction: column; gap: 0; }
.step-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px dashed var(--border);
}
.step-item:last-child { border-bottom: none; }
.step-num {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gold-500);
  line-height: 1;
  min-width: 52px;
  font-variant-numeric: tabular-nums;
}
.step-item h3 { font-size: 1.0625rem; color: var(--teal-600); margin-bottom: 6px; font-weight: 600; }
.step-item p { color: var(--text-sub); font-size: 0.9375rem; }

/* Verify Wrap */
.verify-wrap {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  align-items: center;
}
.verify-list { display: flex; flex-direction: column; gap: 14px; }
.verify-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  border: 1px solid var(--border);
  transition: all .2s;
}
.verify-item:hover { border-color: var(--gold-500); box-shadow: var(--shadow); }
.verify-item > i { color: var(--success); font-size: 1.25rem; margin-top: 4px; flex-shrink: 0; }
.verify-item h3 { font-size: 1rem; color: var(--teal-600); margin-bottom: 4px; font-weight: 600; }
.verify-item p { font-size: 0.875rem; color: var(--text-sub); }
.verify-image img {
  border-radius: var(--radius-md);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
}

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item.active { border-color: var(--gold-500); box-shadow: var(--shadow); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color .2s;
}
.faq-question:hover { color: var(--teal-600); }
.faq-arrow {
  color: var(--gold-500);
  transition: transform .2s ease;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.faq-item.active .faq-arrow { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 20px 18px; }
.faq-item.active .faq-answer { display: block; }
.faq-answer p {
  color: var(--text-sub);
  font-size: 0.9375rem;
  border-top: 2px solid var(--gold-500);
  padding-top: 12px;
}

/* Sidebar */
.content-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 88px; }
.sidebar-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px;
  border: 1px solid rgba(229,231,235,.7);
}
.sidebar-card h3 {
  font-size: 1.0625rem;
  color: var(--teal-600);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}
.sidebar-link {
  display: block;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  font-size: 0.9375rem;
  margin-bottom: 8px;
  transition: all .2s;
  border: 1px solid transparent;
}
.sidebar-link:hover { background: var(--bg); color: var(--teal-600); border-color: var(--border); }
.sidebar-link.active {
  background: rgba(212,162,76,.12);
  color: var(--teal-600);
  font-weight: 600;
  border-color: var(--gold-500);
}
.security-card {
  background: linear-gradient(rgba(11,50,50,.92), rgba(11,50,50,.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  border: none;
}
.security-card h3 { color: var(--gold-400); }
.security-card p { color: rgba(255,255,255,.82); font-size: 0.875rem; margin-bottom: 16px; }
.safe-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--gold-500);
  color: var(--gold-400);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.4;
}
.sidebar-cta { text-align: center; }
.sidebar-cta p { color: var(--text-sub); font-size: 0.875rem; margin-bottom: 18px; }
.sidebar-cta .btn { width: 100%; }

/* CTA Strip */
.cta-strip {
  background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-400) 100%);
}
.cta-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 44px;
  padding-bottom: 44px;
  flex-wrap: wrap;
}
.cta-strip h2 {
  font-size: 1.375rem;
  color: var(--teal-900);
  margin-bottom: 6px;
  font-weight: 700;
}
.cta-strip p { color: rgba(11,50,50,.75); font-size: 0.9375rem; }

/* Footer */
.site-footer {
  background: var(--teal-900);
  color: rgba(255,255,255,.8);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 16px;
}
.footer-logo .logo-icon { width: 28px; height: 28px; font-size: 0.8rem; }
.footer-brand p { font-size: 0.875rem; color: rgba(255,255,255,.6); max-width: 320px; line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 0.9375rem; margin-bottom: 16px; font-weight: 600; }
.footer-col a {
  display: block;
  color: rgba(255,255,255,.6);
  font-size: 0.875rem;
  margin-bottom: 10px;
  transition: color .2s, padding-left .2s;
}
.footer-col a:hover { color: var(--gold-400); padding-left: 4px; }
.footer-col p { font-size: 0.875rem; color: rgba(255,255,255,.6); margin-bottom: 12px; line-height: 1.7; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,.4);
}

/* Focus states */
a:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 64px;
    right: 0;
    bottom: 0;
    width: 280px;
    background: var(--teal-900);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 24px 20px;
    transform: translateX(100%);
    transition: transform .3s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,.25);
    z-index: 200;
  }
  .main-nav.open { transform: translateX(0); }
  .nav-link { display: block; width: 100%; padding: 14px 12px; font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,.06); border-radius: 8px; }
  .nav-link.active::after { display: none; }
  .nav-link.active { background: rgba(212,162,76,.14); color: var(--gold-400); }
  .page-hero-inner { flex-direction: column; padding-top: 48px; padding-bottom: 48px; text-align: center; }
  .page-hero-content { flex: 0 0 100%; max-width: 100%; }
  .hero-tags { justify-content: center; }
  .page-hero-visual { flex: 0 0 100%; max-width: 100%; }
  .point-grid { grid-template-columns: 1fr; }
  .content-layout { grid-template-columns: 1fr; }
  .content-sidebar { position: static; }
  .cta-strip-inner { flex-direction: column; text-align: center; }
  .verify-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .content-section { padding: 48px 0; }
  .content-block { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .page-hero h1 { font-size: 1.625rem; }
  .page-hero-inner { padding-top: 36px; padding-bottom: 36px; min-height: 0; }
  .header-inner { height: 56px; }
  .logo { font-size: 1rem; }
  .logo-icon { width: 28px; height: 28px; font-size: 0.8rem; }
  .main-nav { top: 56px; }
  .nav-cta { display: none; }
  .content-block h2 { font-size: 1.25rem; }
  .step-num { font-size: 1.375rem; min-width: 42px; }
  .faq-question { font-size: 0.875rem; }
}
@media (max-width: 520px) {
  .cta-strip-inner { padding-top: 34px; padding-bottom: 34px; }
  .content-main { gap: 24px; }
  .sidebar-card { padding: 22px; }
}

/* roulang page: category2 */
:root {
            --primary: #0F4A4A;
            --primary-dark: #0B3232;
            --primary-light: #1A5F5F;
            --accent: #D4A24C;
            --accent-light: #E0B45E;
            --bg: #F7F5F1;
            --text: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --success: #2F855A;
            --danger: #C53030;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 12px rgba(0, 0, 0, .04);
            --shadow-hover: 0 4px 12px rgba(0, 0, 0, .08), 0 12px 32px rgba(0, 0, 0, .08);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --header-h: 64px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
        }
        ul,
        ol {
            list-style: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--primary-dark);
            height: var(--header-h);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, .25);
        }
        .header-inner {
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            min-width: 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            color: rgba(255, 255, 255, .75);
            font-size: .95rem;
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color .2s ease, border-color .2s ease;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link.active {
            color: #fff;
            border-bottom-color: var(--accent);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-btn {
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, .08);
            border-radius: 8px;
            color: #fff;
            font-size: .9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .2s ease;
        }
        .search-btn:hover {
            background: rgba(255, 255, 255, .18);
        }
        .cta-btn {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: .9rem;
            padding: 8px 20px;
            border-radius: 8px;
            transition: background .2s ease, transform .15s ease;
        }
        .cta-btn:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
        }
        .cta-btn:active {
            transform: translateY(1px);
        }
        .menu-toggle {
            display: none;
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, .08);
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
            align-items: center;
            justify-content: center;
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: var(--primary-dark);
            z-index: 200;
            padding: 80px 24px 24px;
            box-shadow: -8px 0 30px rgba(0, 0, 0, .3);
        }
        .mobile-drawer.open {
            display: block;
        }
        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-drawer a {
            display: block;
            color: rgba(255, 255, 255, .8);
            font-size: 1.05rem;
            padding: 14px 12px;
            border-radius: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .mobile-drawer a:hover {
            background: rgba(255, 255, 255, .06);
            color: #fff;
        }
        .mobile-drawer a.active {
            color: var(--accent);
        }

        .page-hero {
            position: relative;
            background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 100%);
            overflow: hidden;
            padding: 72px 0;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: .12;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 48px;
            align-items: center;
        }
        .page-hero-content {
            color: #fff;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 162, 76, .15);
            border: 1px solid rgba(212, 162, 76, .4);
            color: var(--accent-light);
            padding: 4px 16px;
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .page-hero p {
            color: rgba(255, 255, 255, .8);
            max-width: 520px;
            margin-bottom: 24px;
        }
        .hero-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-tags span {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: .8rem;
            color: rgba(255, 255, 255, .9);
        }
        .page-hero-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, .3);
        }
        .page-hero-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .main-wrap {
            padding: 64px 0;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .content-block {
            margin-bottom: 56px;
        }
        .content-block:last-child {
            margin-bottom: 0;
        }
        .content-block h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .content-block h2::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 56px;
            height: 2px;
            background: var(--accent);
        }
        .content-block p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .content-block img.block-img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }
        .entry-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 24px;
        }
        .entry-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .entry-card .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--accent);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .entry-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .entry-card p {
            font-size: .88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .steps-list {
            margin-top: 24px;
        }
        .step-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
        }
        .step-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .step-body p {
            font-size: .9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .check-list {
            margin-top: 24px;
        }
        .check-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 14px;
            transition: box-shadow .3s ease;
        }
        .check-item:hover {
            box-shadow: var(--shadow-card);
        }
        .check-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(47, 133, 90, .12);
            color: var(--success);
            font-size: .8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .check-item h3 {
            font-size: .98rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .check-item p {
            font-size: .87rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .sidebar .side-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        .sidebar .side-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .sidebar .side-card h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 40px;
            height: 2px;
            background: var(--accent);
        }
        .side-category-list li {
            margin-bottom: 10px;
        }
        .side-category-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: .92rem;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: all .2s ease;
        }
        .side-category-list a:hover {
            background: rgba(15, 74, 74, .08);
            color: var(--primary);
        }
        .side-category-list a i {
            color: var(--accent);
            font-size: .75rem;
            width: 16px;
            text-align: center;
        }
        .side-category-list a.active {
            background: var(--primary);
            color: #fff;
        }
        .side-category-list a.active i {
            color: var(--accent);
        }
        .safety-card {
            background: var(--primary-dark);
            border: 1px solid rgba(212, 162, 76, .3);
            border-radius: var(--radius-md);
            padding: 20px;
            color: rgba(255, 255, 255, .9);
        }
        .safety-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid rgba(212, 162, 76, .6);
            color: var(--accent-light);
            padding: 3px 12px;
            border-radius: 999px;
            font-size: .75rem;
            margin-bottom: 12px;
        }
        .safety-card p {
            font-size: .88rem;
            color: rgba(255, 255, 255, .75);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .side-cta {
            display: block;
            text-align: center;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            transition: all .2s ease;
        }
        .side-cta:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(212, 162, 76, .3);
        }
        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: .9rem;
            font-weight: 500;
            margin-top: 24px;
            transition: gap .2s ease;
        }
        .back-link:hover {
            gap: 12px;
            color: var(--accent);
        }

        .cta-banner {
            background: var(--primary-dark);
            padding: 52px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .08;
            pointer-events: none;
        }
        .cta-banner .container {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, .75);
            font-size: .95rem;
        }
        .cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-gold {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all .2s ease;
        }
        .btn-gold:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            display: inline-block;
            border: 1px solid rgba(255, 255, 255, .5);
            color: #fff;
            font-weight: 500;
            padding: 11px 24px;
            border-radius: var(--radius-sm);
            transition: all .2s ease;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .8);
            padding: 56px 0 0;
            border-top: 3px solid var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .footer-logo .logo-icon {
            width: 30px;
            height: 30px;
            font-size: .8rem;
        }
        .footer-brand p {
            font-size: .88rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, .6);
            font-size: .88rem;
            padding: 5px 0;
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-col p {
            font-size: .85rem;
            color: rgba(255, 255, 255, .55);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .safe-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(212, 162, 76, .5);
            color: var(--accent-light);
            font-size: .8rem;
            padding: 5px 14px;
            border-radius: 999px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: .82rem;
            color: rgba(255, 255, 255, .4);
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 16px;
            }
            .nav-link {
                font-size: .88rem;
            }
            .header-left {
                gap: 20px;
            }
            .main-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .page-hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .page-hero-visual img {
                height: 260px;
            }
            .entry-cards {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 56px;
            }
            .header-inner {
                height: var(--header-h);
            }
            .main-nav {
                display: none;
            }
            .search-btn {
                display: none;
            }
            .header-right .cta-btn {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .page-hero {
                padding: 48px 0;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .main-wrap {
                padding: 48px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-banner .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner {
                padding: 36px 0;
            }
            .step-item {
                gap: 14px;
            }
            .step-num {
                width: 34px;
                height: 34px;
                font-size: .88rem;
            }
            .content-block img.block-img {
                height: 180px;
            }
        }
        @media (max-width: 520px) {
            .entry-cards {
                grid-template-columns: 1fr;
            }
            .hero-tags {
                gap: 8px;
            }
            .page-hero p {
                font-size: .92rem;
            }
            .page-hero-visual img {
                height: 200px;
            }
        }