/* roulang page: index */
:root {
  --brand: #1a2f4b;
  --brand-dark: #12233a;
  --gold: #f0a500;
  --gold-light: #fbbf24;
  --sky: #0ea5e9;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg-soft: #f8fafc;
  --radius: 16px;
  --radius-lg: 20px;
  --shadow: 0 10px 30px rgba(26,47,75,0.08);
  --shadow-lg: 0 20px 44px rgba(26,47,75,0.12);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }
.section-pad { padding: 5rem 0; }
.section-title { font-size: 2rem; font-weight: 800; color: var(--brand); line-height: 1.3; }
.section-sub { color: var(--muted); margin-top: 0.6rem; }

.topbar {
  background: #071828;
  color: #94a3b8;
  font-size: 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 0; flex-wrap: wrap; gap: 0.35rem; }
.topbar-info i, .topbar-tip i { color: var(--gold); margin-right: 0.35rem; }

.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 0; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; font-weight: 800; font-size: 1.15rem; color: var(--brand); white-space: nowrap; }
.brand-icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; background: linear-gradient(135deg, var(--brand), var(--sky)); color: #fff; border-radius: 12px; font-size: 1.25rem; box-shadow: 0 4px 14px rgba(26,47,75,0.3); }
.main-nav { display: flex; align-items: center; gap: 0.25rem; }
.nav-link { padding: 0.55rem 1.1rem; border-radius: 10px; font-size: 0.95rem; font-weight: 500; color: var(--muted); transition: all 0.25s ease; position: relative; }
.nav-link:hover { color: var(--brand); background: rgba(14,165,233,0.08); }
.nav-link.active { color: var(--brand); background: rgba(14,165,233,0.12); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; left: 1.1rem; right: 1.1rem; bottom: 0.2rem; height: 2px; background: var(--gold); border-radius: 2px; }
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; font-weight: 600; border-radius: 12px; transition: all 0.25s ease; border: 1px solid transparent; cursor: pointer; line-height: 1.2; }
.btn-primary { background: linear-gradient(135deg, var(--gold), #d97706); color: #fff; box-shadow: 0 4px 14px rgba(240,165,0,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(240,165,0,0.4); }
.btn-ghost { border-color: rgba(255,255,255,0.5); color: #fff; background: rgba(255,255,255,0.08); }
.btn-ghost:hover { background: rgba(255,255,255,0.18); border-color: #fff; transform: translateY(-2px); }
.btn-brand { background: var(--brand); color: #fff; box-shadow: 0 4px 14px rgba(26,47,75,0.25); }
.btn-brand:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(26,47,75,0.3); }
.btn-lg { padding: 0.85rem 1.8rem; font-size: 1rem; }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn-xl { padding: 1rem 2.2rem; font-size: 1.05rem; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--brand); margin: 5px 0; border-radius: 2px; transition: transform 0.3s; }
@media (max-width: 768px) {
  .main-nav {
    position: fixed; top: 0; right: -280px; width: 260px; height: 100vh;
    background: #fff; flex-direction: column; justify-content: flex-start;
    padding: 5rem 1.5rem 2rem; gap: 0.5rem;
    box-shadow: -10px 0 30px rgba(0,0,0,0.08);
    transition: right 0.3s ease; z-index: 200;
  }
  .main-nav.open { right: 0; }
  .nav-toggle { display: block; z-index: 21; }
  .nav-link { padding: 0.75rem 1rem; border-radius: 10px; width: 100%; }
  .nav-link.active::after { display: none; }
  .header-actions .btn-sm { display: none; }
}

.hero {
  position: relative;
  background-size: cover; background-position: center;
  min-height: 620px;
  display: flex; align-items: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(7,24,40,0.92) 25%, rgba(26,47,75,0.72) 60%, rgba(26,47,75,0.35) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 5.5rem 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(240,165,0,0.15); border: 1px solid rgba(240,165,0,0.35); color: #fbbf24; padding: 0.4rem 1.1rem; border-radius: 999px; font-size: 0.85rem; font-weight: 600; margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 900; line-height: 1.15; color: #fff; margin-bottom: 1.2rem; letter-spacing: -0.02em; }
.hero-desc { font-size: 1.1rem; color: #cbd5e1; max-width: 560px; margin-bottom: 2rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: 2.5rem; color: #cbd5e1; font-size: 0.92rem; }

.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); transition: all 0.3s ease; overflow: hidden; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(14,165,233,0.3); }
.feature-icon { width: 54px; height: 54px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; font-size: 1.4rem; color: #fff; background: linear-gradient(135deg, var(--brand), var(--sky)); box-shadow: 0 6px 16px rgba(14,165,233,0.25); }

.stats-block { background: linear-gradient(135deg, #0f2740, #1a2f4b 60%, #0ea5e9); border-radius: 24px; padding: 3rem 2.5rem; color: #fff; position: relative; overflow: hidden; }
.stats-block::after { content: ''; position: absolute; top: -60px; right: -60px; width: 220px; height: 220px; background: rgba(240,165,0,0.15); border-radius: 50%; }
.stat-number { font-size: 2.6rem; font-weight: 900; color: var(--gold); }
.stat-label { color: #cbd5e1; font-size: 0.9rem; margin-top: 0.25rem; }

.step-item { position: relative; }
.step-line { position: absolute; left: 32px; top: 64px; bottom: -16px; width: 2px; background: linear-gradient(to bottom, var(--sky), rgba(14,165,233,0.05)); }
.step-item:last-child .step-line { display: none; }
.step-dot { width: 64px; height: 64px; border-radius: 18px; background: linear-gradient(135deg, var(--brand), var(--sky)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; box-shadow: 0 8px 20px rgba(26,47,75,0.25); position: relative; z-index: 2; }

.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; margin-bottom: 1rem; box-shadow: 0 2px 8px rgba(0,0,0,0.03); transition: box-shadow 0.3s; }
.faq-item:hover { box-shadow: var(--shadow); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 1.2rem 1.4rem; cursor: pointer; font-weight: 600; color: var(--brand); }
.faq-question i { color: var(--sky); transition: transform 0.3s; }
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 1.4rem 1.3rem; color: var(--muted); line-height: 1.75; }

.article-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 1.6rem; transition: all 0.3s ease; display: block; box-shadow: 0 2px 10px rgba(0,0,0,0.03); }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(240,165,0,0.4); }
.article-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem; }
.badge { display: inline-flex; align-items: center; gap: 0.3rem; background: rgba(14,165,233,0.1); color: var(--sky); padding: 0.25rem 0.75rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.article-time { font-size: 0.78rem; color: var(--muted); }
.article-title { font-size: 1.1rem; font-weight: 700; color: var(--text); line-height: 1.4; margin-bottom: 0.5rem; }
.article-summary { font-size: 0.9rem; color: var(--muted); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 1rem; }
.article-more { color: var(--gold); font-size: 0.85rem; font-weight: 600; display: inline-flex; align-items: center; gap: 0.4rem; }
.article-more i { transition: transform 0.3s; }
.article-card:hover .article-more i { transform: translateX(4px); }

.cta-section { background: linear-gradient(135deg, #0b1f35, #1a2f4b 55%, #0ea5e9); border-radius: 28px; padding: 3.5rem; color: #fff; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -80px; right: -40px; width: 260px; height: 260px; border-radius: 50%; background: rgba(240,165,0,0.14); }
.cta-section::after { content: ''; position: absolute; bottom: -60px; left: 20%; width: 160px; height: 160px; border-radius: 50%; background: rgba(255,255,255,0.06); }

.site-footer { background: #0b1a2b; color: #b6c2d1; padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer-logo { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 0.75rem; }
.footer-logo .dot { color: var(--gold); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: #94a3b8; }
.footer-domain { display: inline-block; margin-top: 0.8rem; padding: 0.25rem 0.85rem; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1); border-radius: 999px; font-size: 0.8rem; color: #d3dbe6; }
.footer-title { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 1rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links a { color: #94a3b8; font-size: 0.9rem; transition: color 0.25s; }
.footer-links a:hover { color: var(--gold); }
.footer-contact p { font-size: 0.9rem; color: #94a3b8; margin-bottom: 0.4rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; font-size: 0.85rem; color: #64748b; }
.footer-safe { color: #94a3b8; }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .section-pad { padding: 3.5rem 0; }
  .cta-section { padding: 2rem 1.5rem; }
  .step-line { display: none; }
}
@media (max-width: 640px) {
  .hero { min-height: auto; }
  .hero-content { padding: 4rem 0 3.5rem; }
  .brand-text { font-size: 1rem; }
}
a:focus-visible, button:focus-visible { outline: 3px solid rgba(240,165,0,0.5); outline-offset: 2px; border-radius: 8px; }

/* roulang page: article */
:root {
  --primary: #0b3d91;
  --primary-dark: #082a6a;
  --primary-light: #1e5cbf;
  --primary-bg: #eff6ff;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-bg: #fef3c7;
  --bg-body: #f5f7fb;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 12px rgba(2,12,27,0.06);
  --shadow-md: 0 6px 28px rgba(2,12,27,0.08);
  --shadow-lg: 0 16px 44px rgba(2,12,27,0.12);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter','PingFang SC','Microsoft YaHei',sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(226,232,240,0.7); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-height); }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand-icon { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg,var(--primary),var(--primary-light)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; margin-right: 10px; box-shadow: 0 4px 14px rgba(11,61,145,0.3); }
.brand-text { font-weight: 800; font-size: 18px; letter-spacing: 0.5px; color: var(--text-main); }
.main-nav { display: flex; gap: 4px; align-items: center; }
.nav-link { padding: 10px 18px; border-radius: 10px; font-size: 15px; font-weight: 500; color: var(--text-main); transition: var(--transition); position: relative; }
.nav-link:hover { background: var(--primary-bg); color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(11,61,145,0.28); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border-color); padding: 8px; background: #fff; }
.nav-toggle span { display: block; height: 2px; width: 100%; background: var(--text-main); border-radius: 2px; transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: 12px; font-weight: 600; font-size: 15px; transition: var(--transition); cursor: pointer; border: none; }
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid rgba(245,158,11,0.5); outline-offset: 2px; }
.btn-primary { background: linear-gradient(135deg,var(--primary),var(--primary-light)); color: #fff; box-shadow: 0 6px 20px rgba(11,61,145,0.35); }
.btn-primary:hover { box-shadow: 0 10px 30px rgba(11,61,145,0.45); }
.btn-accent { background: linear-gradient(135deg,var(--accent),#fbbf24); color: #fff; box-shadow: 0 6px 20px rgba(245,158,11,0.35); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary-bg); transform: translateY(-2px); }
.btn-sm { padding: 8px 16px; font-size: 14px; border-radius: 10px; }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 14px; }
.btn-block { width: 100%; margin-bottom: 12px; }

.article-hero { position: relative; padding: 84px 0 72px; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(2,12,27,0.88) 0%, rgba(11,61,145,0.72) 100%); }
.article-hero .container { position: relative; z-index: 1; color: #fff; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.75); margin-bottom: 28px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { font-size: 10px; opacity: 0.6; }
.breadcrumb .current { color: rgba(255,255,255,0.95); font-weight: 500; max-width: 260px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.article-hero .badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(245,158,11,0.2); border: 1px solid rgba(245,158,11,0.4); color: #fbbf24; padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 18px; }
.article-hero h1 { font-size: clamp(28px, 5vw, 44px); font-weight: 800; line-height: 1.3; margin-bottom: 16px; max-width: 860px; }
.article-hero .meta { display: flex; gap: 24px; font-size: 14px; color: rgba(255,255,255,0.75); flex-wrap: wrap; }
.article-hero .meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-hero .meta i { color: rgba(245,158,11,0.9); }

.article-main { padding: 56px 0 64px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; align-items: start; }
.article-body { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 44px; }
.article-content { font-size: 16px; line-height: 2; color: #334155; }
.article-content p { margin-bottom: 20px; }
.article-content h2 { font-size: 24px; font-weight: 700; margin: 32px 0 16px; color: var(--text-main); line-height: 1.4; }
.article-content h3 { font-size: 20px; font-weight: 700; margin: 28px 0 12px; color: var(--text-main); }
.article-content ul, .article-content ol { margin: 16px 0 20px; padding-left: 26px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote { border-left: 4px solid var(--primary); background: var(--primary-bg); padding: 16px 20px; border-radius: 0 12px 12px 0; margin: 24px 0; color: #334155; }
.article-content img { border-radius: var(--radius-md); margin: 24px 0; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-content table th, .article-content table td { padding: 12px 14px; border: 1px solid var(--border-color); text-align: left; }
.article-content table th { background: var(--primary-bg); font-weight: 600; }
.article-content strong { color: var(--text-main); }

.article-divider { height: 1px; background: var(--border-color); margin: 36px 0 24px; }
.article-footer-meta { display: flex; flex-wrap: wrap; gap: 12px; }
.article-footer-meta .tag { display: inline-flex; align-items: center; gap: 6px; background: var(--primary-bg); color: var(--primary); font-size: 13px; font-weight: 500; padding: 6px 14px; border-radius: 999px; }

.not-found { text-align: center; padding: 60px 30px; }
.not-found i { font-size: 52px; color: var(--accent); margin-bottom: 20px; display: block; }
.not-found h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.not-found p { color: var(--text-muted); margin-bottom: 28px; }

.article-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: calc(var(--header-height) + 24px); }
.sidebar-widget { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 28px; }
.sidebar-widget .widget-title { font-size: 18px; font-weight: 700; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 2px solid var(--border-color); display: flex; align-items: center; gap: 8px; }
.sidebar-widget .widget-title i { color: var(--primary); }
.sidebar-list { list-style: none; }
.sidebar-list li { padding: 14px 0; border-bottom: 1px solid rgba(226,232,240,0.6); transition: var(--transition); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list li:hover { padding-left: 6px; }
.sidebar-list .sidebar-num { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 6px; background: var(--primary-bg); color: var(--primary); font-size: 12px; font-weight: 700; margin-right: 8px; }
.sidebar-list li:nth-child(1) .sidebar-num { background: var(--accent); color: #fff; }
.sidebar-list li:nth-child(2) .sidebar-num { background: var(--accent); color: #fff; }
.sidebar-list li:nth-child(3) .sidebar-num { background: #fbbf24; color: #fff; }
.sidebar-list a { font-size: 14px; font-weight: 500; line-height: 1.6; display: block; }
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list .sidebar-time { font-size: 12px; color: var(--text-muted); display: block; margin-top: 4px; }
.sidebar-empty { font-size: 14px; color: var(--text-muted); text-align: center; padding: 16px 0; }

.related-section { padding: 64px 0 80px; background: linear-gradient(180deg, var(--bg-body) 0%, #eef2f7 100%); }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 36px; flex-wrap: wrap; gap: 12px; }
.section-header h2 { font-size: 30px; font-weight: 800; line-height: 1.3; }
.section-header h2 span { color: var(--primary); }
.section-header .section-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.section-header .section-link:hover { gap: 10px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-cover { height: 190px; overflow: hidden; position: relative; }
.related-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-cover img { transform: scale(1.05); }
.related-cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(2,12,27,0.3)); }
.related-info { padding: 22px; display: flex; flex-direction: column; flex-grow: 1; }
.related-info .badge { align-self: flex-start; background: var(--accent-bg); color: var(--accent-dark); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; margin-bottom: 10px; }
.related-info h3 { font-size: 16px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-info p { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-info .time { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; margin-top: auto; }

.cta-section { padding: 84px 0; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%); position: relative; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover; opacity: 0.08; }
.cta-inner { position: relative; z-index: 1; text-align: center; max-width: 680px; margin: 0 auto; color: #fff; }
.cta-inner h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 16px; color: rgba(255,255,255,0.8); margin-bottom: 32px; line-height: 1.8; }
.cta-inner .btn-white { background: #fff; color: var(--primary); box-shadow: 0 8px 30px rgba(255,255,255,0.25); }
.cta-inner .btn-white:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(255,255,255,0.35); }
.cta-inner .btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); }
.cta-inner .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

.site-footer { background: #0b1220; color: rgba(255,255,255,0.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .footer-logo { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-brand .footer-logo .dot { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 14px; }
.footer-domain { display: inline-block; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); color: rgba(255,255,255,0.7); font-size: 13px; font-weight: 500; padding: 6px 14px; border-radius: 999px; }
.footer-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact p { font-size: 14px; color: rgba(255,255,255,0.55); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--accent); }
.footer-bottom { padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.35); }
.footer-bottom .footer-safe { display: flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.45); }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .sidebar-widget { flex: 1; min-width: 280px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { position: fixed; top: var(--header-height); left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 16px 24px; box-shadow: 0 20px 50px rgba(2,12,27,0.15); transform: translateY(-130%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1); z-index: 999; gap: 4px; border-bottom: 1px solid var(--border-color); }
  .main-nav.open { transform: translateY(0); }
  .nav-link { padding: 14px 16px; border-radius: 12px; }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
  .article-body { padding: 24px; }
  .article-hero { padding: 56px 0 48px; }
  .article-hero h1 { font-size: 26px; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand-text { font-size: 16px; }
  .brand-icon { width: 34px; height: 34px; font-size: 15px; }
  .article-body { padding: 20px; border-radius: 16px; }
  .article-content { font-size: 15px; }
  .related-cover { height: 160px; }
  .section-header h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .breadcrumb { font-size: 12px; gap: 4px; }
}

/* roulang page: category1 */
:root {
    --primary: #0284c7;
    --primary-dark: #075985;
    --primary-light: #e0f2fe;
    --accent: #14b8a6;
    --deep: #0c1a32;
    --bg: #f0f9ff;
    --surface: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(2, 32, 71, 0.07);
    --shadow-lg: 0 16px 48px rgba(2, 32, 71, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

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

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s ease;
  }

  .site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
  }

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

  .brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, #0284c7, #14b8a6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
    transition: var(--transition);
  }

  .brand:hover .brand-icon {
    transform: rotate(-8deg) scale(1.05);
  }

  .brand-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--deep);
    letter-spacing: 0.5px;
  }

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

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

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
  }

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

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

  .nav-link.active {
    color: var(--primary);
    font-weight: 600;
  }

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

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

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    padding: 10px 22px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.4;
  }

  .btn-primary {
    background: linear-gradient(135deg, #0284c7, #0ea5e9);
    color: #fff;
    box-shadow: 0 4px 16px rgba(2, 132, 199, 0.3);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.4);
  }

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

  .btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
  }

  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
  }

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

  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    padding: 10px;
    transition: var(--transition);
  }

  .nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
  }

  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Page Hero */
  .page-hero {
    position: relative;
    min-height: 380px;
    display: flex;
    align-items: center;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: #fff;
    overflow: hidden;
  }

  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.88) 0%, rgba(12, 26, 50, 0.82) 100%);
  }

  .page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(14, 165, 233, 0.25) 0%, transparent 60%);
  }

  .page-hero .container {
    position: relative;
    z-index: 2;
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .hero-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.12);
    padding: 6px 16px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    margin-bottom: 20px;
  }

  .hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s;
  }

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

  .hero-breadcrumb i {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
  }

  .page-hero h1 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }

  .page-hero h1 .highlight {
    color: #7dd3fc;
    display: inline-block;
  }

  .hero-desc {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.88);
    max-width: 640px;
    margin-bottom: 28px;
  }

  .hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    backdrop-filter: blur(4px);
  }

  .hero-badge i {
    color: #7dd3fc;
  }

  /* Section Base */
  .section-block {
    padding: 72px 0;
  }

  .section-head {
    text-align: center;
    margin-bottom: 52px;
  }

  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px 16px;
    border-radius: 20px;
    letter-spacing: 1px;
    margin-bottom: 14px;
  }

  .section-head h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--deep);
    line-height: 1.25;
    margin-bottom: 10px;
  }

  .section-head p {
    font-size: 15px;
    color: var(--muted);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
  }

  /* Entry Method Cards */
  .entry-methods {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .method-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
  }

  .method-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(2, 132, 199, 0.3);
  }

  .method-card-img {
    height: 180px;
    overflow: hidden;
    position: relative;
  }

  .method-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .method-card:hover .method-card-img img {
    transform: scale(1.06);
  }

  .method-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(2, 132, 199, 0.15));
  }

  .method-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .method-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #e0f2fe, #bae6fd);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    margin-bottom: 16px;
    margin-top: -40px;
    position: relative;
    z-index: 2;
    border: 3px solid #fff;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
  }

  .method-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--deep);
    margin-bottom: 8px;
  }

  .method-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    flex: 1;
  }

  .method-card .method-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 16px;
    transition: var(--transition);
  }

  .method-card .method-link:hover {
    gap: 12px;
    color: var(--primary-dark);
  }

  /* Login Steps */
  .login-steps {
    background: var(--bg);
    position: relative;
  }

  .login-steps .section-head h2 {
    position: relative;
  }

  .steps-route {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    position: relative;
    padding-top: 20px;
  }

  .steps-route::before {
    content: '';
    position: absolute;
    top: 65px;
    left: 8%;
    right: 8%;
    border-top: 2px dashed rgba(2, 132, 199, 0.35);
    z-index: 0;
  }

  .step-item {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 8px;
  }

  .step-node {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0284c7, #14b8a6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    box-shadow: 0 0 0 6px rgba(2, 132, 199, 0.15), 0 8px 24px rgba(2, 132, 199, 0.25);
    margin-bottom: 20px;
    transition: var(--transition);
  }

  .step-item:hover .step-node {
    transform: scale(1.1);
    box-shadow: 0 0 0 8px rgba(2, 132, 199, 0.12), 0 12px 32px rgba(2, 132, 199, 0.35);
  }

  .step-num {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 8px;
  }

  .step-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--deep);
    margin-bottom: 8px;
  }

  .step-item p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.65;
    max-width: 200px;
  }

  .step-item .step-location {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--accent);
    background: rgba(20, 184, 166, 0.1);
    padding: 4px 12px;
    border-radius: 12px;
    margin-top: 10px;
    font-weight: 500;
  }

  /* Security Tips */
  .security-tips {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .tips-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .tip-card {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 28px 22px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }

  .tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
  }

  .tip-card:hover {
    border-color: rgba(2, 132, 199, 0.25);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
  }

  .tip-card:hover::before {
    transform: scaleX(1);
  }

  .tip-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 18px;
  }

  .tip-icon.tip-blue {
    background: #dbeafe;
    color: #1d4ed8;
  }

  .tip-icon.tip-teal {
    background: #ccfbf1;
    color: #0f766e;
  }

  .tip-icon.tip-amber {
    background: #fef3c7;
    color: #b45309;
  }

  .tip-icon.tip-rose {
    background: #ffe4e6;
    color: #be123c;
  }

  .tip-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--deep);
    margin-bottom: 8px;
  }

  .tip-card p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.7;
  }

  .tip-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    margin-top: 12px;
    letter-spacing: 0.5px;
  }

  .tip-badge.badge-safe {
    background: #d1fae5;
    color: #065f46;
  }

  .tip-badge.badge-warn {
    background: #fef3c7;
    color: #92400e;
  }

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

  .faq-wrap {
    max-width: 760px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
  }

  .faq-item:hover {
    border-color: rgba(2, 132, 199, 0.25);
    box-shadow: var(--shadow);
  }

  .faq-item.open {
    border-color: rgba(2, 132, 199, 0.4);
    box-shadow: var(--shadow);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--deep);
    transition: var(--transition);
    user-select: none;
  }

  .faq-question:hover {
    background: rgba(224, 242, 254, 0.3);
  }

  .faq-question .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    transition: var(--transition);
  }

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

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.8;
    border-top: 1px dashed var(--border);
    padding-top: 16px;
    margin: 0 24px;
    padding: 16px 0 20px;
  }

  .faq-item.open .faq-answer {
    max-height: 300px;
  }

  /* CTA */
  .cta-section {
    background: linear-gradient(135deg, #0c1a32 0%, #075985 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    padding: 80px 0;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.3) 0%, transparent 70%);
  }

  .cta-section::after {
    content: '';
    position: absolute;
    bottom: -80%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.25) 0%, transparent 70%);
  }

  .cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 620px;
    margin: 0 auto;
  }

  .cta-content h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
  }

  .cta-content p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.7;
  }

  .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }

  .cta-buttons .btn-white {
    background: #fff;
    color: var(--primary-dark);
    padding: 12px 30px;
    border-radius: 10px;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
  }

  .cta-buttons .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.3);
  }

  .cta-buttons .btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 12px 30px;
    border-radius: 10px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
  }

  .cta-buttons .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
  }

  /* Footer */
  .site-footer {
    background: var(--deep);
    color: rgba(255, 255, 255, 0.8);
    padding: 64px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 0.8fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .footer-logo {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
  }

  .footer-logo .dot {
    color: var(--accent);
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.65);
    max-width: 380px;
    margin-bottom: 20px;
  }

  .footer-domain {
    display: inline-block;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    font-family: 'SF Mono', 'Consolas', monospace;
    letter-spacing: 0.5px;
  }

  .footer-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    transition: var(--transition);
  }

  .footer-links a:hover {
    color: #7dd3fc;
    padding-left: 4px;
  }

  .footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
  }

  .footer-contact i {
    color: var(--accent);
    width: 20px;
  }

  .footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
  }

  .footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
  }

  .footer-safe {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
  }

  .footer-safe i {
    color: #f59e0b;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .method-grid {
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .tips-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .steps-route {
      grid-template-columns: repeat(2, 1fr);
      gap: 36px 20px;
    }

    .steps-route::before {
      display: none;
    }

    .page-hero h1 {
      font-size: 36px;
    }

    .section-head h2 {
      font-size: 28px;
    }
  }

  @media (max-width: 768px) {
    .header-inner {
      height: 64px;
    }

    .nav-toggle {
      display: flex;
    }

    .main-nav {
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: #fff;
      padding: 20px 24px;
      flex-direction: column;
      align-items: flex-start;
      gap: 6px;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
      transform: translateY(-120%);
      transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      z-index: 99;
    }

    .main-nav.open {
      transform: translateY(0);
    }

    .main-nav .nav-link {
      display: block;
      width: 100%;
      padding: 12px 8px;
      font-size: 15px;
      color: var(--text);
      border-radius: 8px;
    }

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

    .main-nav .nav-link::after {
      display: none;
    }

    .section-block {
      padding: 56px 0;
    }

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

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

    .steps-route {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .step-item {
      flex-direction: row;
      text-align: left;
      gap: 20px;
      align-items: flex-start;
    }

    .step-node {
      flex-shrink: 0;
      margin-bottom: 0;
    }

    .step-item .step-location {
      margin-top: 6px;
    }

    .page-hero {
      min-height: 320px;
    }

    .page-hero h1 {
      font-size: 30px;
    }

    .hero-desc {
      font-size: 14px;
    }

    .hero-badges {
      gap: 8px;
    }

    .header-actions .btn-primary {
      display: none;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }

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

    .cta-content h2 {
      font-size: 26px;
    }

    .section-head h2 {
      font-size: 26px;
    }
  }

  @media (max-width: 420px) {
    .brand-text {
      font-size: 17px;
    }

    .brand-icon {
      width: 36px;
      height: 36px;
      font-size: 15px;
    }

    .header-inner {
      height: 60px;
    }

    .main-nav {
      top: 60px;
    }

    .page-hero {
      min-height: 280px;
    }

    .page-hero h1 {
      font-size: 26px;
    }

    .hero-badges {
      flex-direction: column;
      align-items: flex-start;
    }

    .section-head h2 {
      font-size: 22px;
    }

    .cta-buttons {
      flex-direction: column;
      align-items: center;
    }
  }