/* roulang page: index */
:root {
  --primary: #0a4d8c;
  --primary-dark: #083d72;
  --primary-light: #1a6bbb;
  --primary-alpha: rgba(10, 77, 140, 0.08);
  --accent: #f0a920;
  --accent-hover: #d8941a;
  --accent-light: #fdf3e0;
  --bg: #f6f8fb;
  --bg-deep: #0b2340;
  --white: #ffffff;
  --text: #162636;
  --text-muted: #5b6e82;
  --border: #dfe7ef;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(8, 40, 80, 0.05);
  --shadow-md: 0 8px 28px rgba(8, 40, 80, 0.09);
  --shadow-lg: 0 20px 50px rgba(8, 40, 80, 0.15);
  --gradient-hero: linear-gradient(135deg, rgba(8, 55, 100, 0.94) 0%, rgba(5, 35, 70, 0.88) 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font-family: inherit; font-size: 100%; }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
.section { padding: 84px 0; position: relative; overflow: hidden; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-kicker { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); background: var(--accent-light); padding: 5px 16px; border-radius: 100px; margin-bottom: 14px; }
.section-title { font-size: clamp(26px, 4vw, 40px); line-height: 1.25; font-weight: 800; color: var(--text); margin-bottom: 14px; }
.section-sub { font-size: 16px; color: var(--text-muted); line-height: 1.8; }

/* ===== Header ===== */
.site-header { background: rgba(255,255,255,0.92); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 999; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--text); white-space: nowrap; }
.logo-icon { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; box-shadow: 0 4px 12px rgba(10,77,140,0.3); }
.logo span { background: linear-gradient(120deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-desktop { display: flex; align-items: center; gap: 8px; }
.nav-desktop a { display: inline-flex; align-items: center; gap: 7px; padding: 8px 18px; border-radius: 100px; font-weight: 500; font-size: 15px; color: var(--text-muted); transition: all 0.3s ease; }
.nav-desktop a:hover { color: var(--primary); background: var(--primary-alpha); }
.nav-desktop a.active { color: var(--primary); background: var(--primary-alpha); font-weight: 600; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 26px; border-radius: 100px; font-weight: 600; font-size: 15px; border: none; cursor: pointer; transition: all 0.3s ease; line-height: 1.5; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(10,77,140,0.28); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,77,140,0.35); }
.btn-accent { background: var(--accent); color: #1c1c1c; box-shadow: 0 4px 16px rgba(240,169,32,0.3); }
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(240,169,32,0.4); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }
.header-cta { display: flex; align-items: center; gap: 10px; }

/* ===== Mobile Bottom Nav ===== */
.mobile-bottom-nav { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: rgba(255,255,255,0.96); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-top: 1px solid var(--border); z-index: 1000; padding: 6px 10px calc(10px + env(safe-area-inset-bottom, 0px)); box-shadow: 0 -4px 20px rgba(0,0,0,0.05); }
.mobile-bottom-nav .mbn-inner { display: flex; justify-content: space-around; align-items: center; max-width: 420px; margin: 0 auto; }
.mbn-item { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 6px 10px; border-radius: 12px; font-size: 11px; color: var(--text-muted); transition: all 0.3s; flex: 1; }
.mbn-item i { font-size: 18px; }
.mbn-item.active, .mbn-item:hover { color: var(--primary); background: var(--primary-alpha); }
.mbn-main { flex: 0 0 auto; }
.mbn-main .mbn-btn { width: 52px; height: 52px; border-radius: 50% !important; background: linear-gradient(135deg, var(--accent), #ffbe45); color: #1c1c1c; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 18px rgba(240,169,32,0.4); border: 3px solid #fff; margin-top: -18px; transition: all 0.3s; }
.mbn-main .mbn-btn i { font-size: 20px; }
.mbn-main .mbn-btn:hover { transform: translateY(-2px) scale(1.03); }

/* ===== Hero ===== */
.hero { position: relative; background: var(--bg-deep); min-height: 680px; display: flex; align-items: center; overflow: hidden; padding: 80px 0; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: 0.3; }
.hero-overlay { position: absolute; inset: 0; background: var(--gradient-hero); }
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 640px; padding: 30px 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.14); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.2); padding: 7px 18px; border-radius: 100px; font-size: 13px; font-weight: 500; margin-bottom: 24px; color: #f0e6ff; }
.hero-badge i { color: var(--accent); }
.hero-title { font-size: clamp(32px, 5vw, 54px); font-weight: 900; line-height: 1.2; margin-bottom: 20px; letter-spacing: -0.02em; }
.hero-title .highlight { color: var(--accent); position: relative; white-space: nowrap; }
.hero-desc { font-size: 17px; line-height: 1.9; color: rgba(255,255,255,0.88); margin-bottom: 32px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 42px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 28px; }
.hero-stat .num { font-size: 30px; font-weight: 800; color: #fff; line-height: 1.2; }
.hero-stat .num i { font-size: 24px; color: var(--accent); margin-right: 4px; }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,0.65); margin-top: 4px; }
.hero-card-side { position: absolute; right: 32px; bottom: 40px; z-index: 2; background: rgba(255,255,255,0.1); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.2); border-radius: 20px; padding: 24px; color: #fff; max-width: 300px; }
.hero-card-side .card-title { font-weight: 700; font-size: 18px; margin-bottom: 12px; }
.hero-card-side .card-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 14px; color: rgba(255,255,255,0.85); }
.hero-card-side .card-item i { color: var(--accent); margin-top: 3px; }
.btn-login-hero { background: #fff; color: var(--primary); font-weight: 700; padding: 12px 30px; border-radius: 100px; display: inline-flex; align-items: center; gap: 8px; font-size: 16px; box-shadow: 0 8px 30px rgba(0,0,0,0.15); transition: all 0.3s; }
.btn-login-hero:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 12px 34px rgba(0,0,0,0.2); }

/* ===== Trust bar ===== */
.trust-bar { background: #fff; border-bottom: 1px solid var(--border); padding: 18px 0; }
.trust-bar-inner { display: flex; flex-wrap: wrap; gap: 12px 30px; justify-content: center; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-muted); font-weight: 500; }
.trust-item i { color: var(--accent); font-size: 16px; }

/* ===== Card / Feature ===== */
.card { background: var(--gradient-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 30px; transition: all 0.35s ease; height: 100%; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 20px; }
.card-icon.blue { background: var(--primary-alpha); color: var(--primary); }
.card-icon.gold { background: var(--accent-light); color: var(--accent); }
.card-icon.green { background: #e6f7ed; color: #16a34a; }
.card h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.feature-card { text-align: left; }

/* ===== Feature grid ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-list { margin-top: 10px; display: flex; flex-direction: column; gap: 10px; }
.feature-list li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); }
.feature-list li i { color: #16a34a; font-size: 14px; flex: none; }

/* ===== Split banner ===== */
.split-section { display: flex; align-items: center; gap: 48px; flex-wrap: wrap; }
.split-media { flex: 1 1 420px; position: relative; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-lg); }
.split-media img { width: 100%; height: 100%; object-fit: cover; min-height: 300px; }
.split-media .media-tag { position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,0.92); backdrop-filter: blur(6px); padding: 6px 14px; border-radius: 100px; font-size: 13px; font-weight: 600; color: var(--primary); }
.split-content { flex: 1 1 380px; }
.split-content h2 { font-size: 28px; font-weight: 800; line-height: 1.4; margin-bottom: 16px; }
.split-content p { color: var(--text-muted); line-height: 1.9; margin-bottom: 18px; }
.check-list { margin: 20px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; }
.check-list li { display: flex; align-items: center; gap: 8px; font-size: 15px; color: var(--text); font-weight: 500; }
.check-list li i { color: #16a34a; }
.two-col-list { columns: 2; gap: 16px; margin: 16px 0; }
.two-col-list li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-muted); margin-bottom: 10px; break-inside: avoid; }
.two-col-list li i { color: var(--accent); font-size: 13px; flex: none; }

/* ===== Categories ===== */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.category-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: #fff; border: 1px solid var(--border); transition: all 0.4s ease; display: block; }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-card img { width: 100%; height: 160px; object-fit: cover; }
.category-card .cc-body { padding: 22px; }
.category-card .cc-tag { display: inline-block; background: var(--primary-alpha); color: var(--primary); font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: 100px; margin-bottom: 10px; }
.category-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.category-card p { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.7; }
.category-card .cc-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.category-card .cc-link i { transition: transform 0.3s; }
.category-card:hover .cc-link i { transform: translateX(4px); }

/* ===== Content / CMS list ===== */
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.content-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: all 0.35s ease; height: 100%; display: flex; flex-direction: column; }
.content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.content-card .cc-cover { position: relative; height: 180px; overflow: hidden; }
.content-card .cc-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.content-card:hover .cc-cover img { transform: scale(1.05); }
.content-card .cc-cover .cover-mask { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.35), transparent 60%); }
.content-card .cc-badge { position: absolute; top: 14px; left: 14px; background: rgba(255,255,255,0.94); padding: 5px 14px; border-radius: 100px; font-size: 12px; font-weight: 600; color: var(--primary); box-shadow: var(--shadow-sm); }
.content-card .cc-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.content-card .cc-meta { display: flex; align-items: center; gap: 14px; font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.content-card .cc-meta i { font-size: 12px; }
.content-card h3 { font-size: 17px; line-height: 1.5; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.content-card h3 a:hover { color: var(--primary); }
.content-card .cc-excerpt { font-size: 14px; color: var(--text-muted); line-height: 1.8; flex: 1; }
.content-card .cc-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; font-size: 13px; color: var(--text-muted); }
.content-card .cc-footer a { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.empty-tip { grid-column: 1 / -1; text-align: center; padding: 40px; color: var(--text-muted); background: #fff; border: 1px dashed var(--border); border-radius: var(--radius-md); }

/* ===== Stats band ===== */
.stats-band { background: linear-gradient(135deg, var(--bg-deep) 0%, #133a63 100%); padding: 70px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-item { text-align: center; color: #fff; padding: 20px 10px; border-radius: var(--radius-md); background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); }
.stat-item .num { font-size: 40px; font-weight: 900; background: linear-gradient(135deg, var(--accent), #ffce6b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1.3; }
.stat-item .label { font-size: 14px; color: rgba(255,255,255,0.75); margin-top: 8px; }

/* ===== Process ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-step { text-align: center; padding: 34px 20px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); transition: all 0.3s ease; position: relative; }
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-num { width: 44px; height: 44px; margin: 0 auto 18px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; box-shadow: 0 6px 18px rgba(10,77,140,0.3); }
.process-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
.process-step .step-icon { position: absolute; top: 18px; right: 18px; color: var(--border); font-size: 20px; }

/* ===== Comparison ===== */
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.compare-table th { background: var(--primary-alpha); font-weight: 700; color: var(--primary); }
.compare-table tr:last-child th, .compare-table tr:last-child td { border-bottom: none; }
.compare-table td:first-child { font-weight: 600; }
.compare-table .yes { color: #16a34a; }
.compare-table .no { color: #dc2626; }
.compare-table tr:hover td { background: #f9fbfc; }

/* ===== Feedback / Testimonials ===== */
.feedback-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feedback-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px; transition: all 0.3s ease; }
.feedback-card:hover { box-shadow: var(--shadow-md); }
.feedback-card .stars { color: var(--accent); font-size: 15px; margin-bottom: 16px; letter-spacing: 2px; }
.feedback-card blockquote { font-size: 15px; line-height: 1.8; color: var(--text); margin: 0 0 18px; border: none; padding: 0; }
.feedback-card .person { display: flex; align-items: center; gap: 12px; }
.feedback-card .person-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--primary-alpha); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.feedback-card .person-name { font-size: 14px; font-weight: 600; color: var(--text); }
.feedback-card .person-role { font-size: 12px; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 14px; overflow: hidden; transition: box-shadow 0.3s ease; }
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item details summary { list-style: none; cursor: pointer; padding: 22px 28px; display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 16px; color: var(--text); transition: color 0.3s; user-select: none; }
.faq-item details summary::-webkit-details-marker { display: none; }
.faq-item details summary:hover { color: var(--primary); }
.faq-item details summary .faq-icon { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--text-muted); flex: none; transition: all 0.35s ease; }
.faq-item details[open] summary { border-bottom: 1px solid var(--border); }
.faq-item details[open] summary .faq-icon { background: var(--primary); border-color: var(--primary); color: #fff; transform: rotate(180deg); }
.faq-item details .faq-answer { padding: 18px 28px; line-height: 1.85; font-size: 15px; color: var(--text-muted); }

/* ===== CTA ===== */
.cta-section { position: relative; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; padding: 90px 0; text-align: center; }
.cta-overlay { position: absolute; inset: 0; background: var(--gradient-hero); }
.cta-inner { position: relative; z-index: 2; color: #fff; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 16px; color: rgba(255,255,255,0.85); margin-bottom: 32px; line-height: 1.8; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: #0c1a2e; color: #93a4b8; padding-top: 70px; padding-bottom: 30px; }
.site-footer .footer-top { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; margin-bottom: 50px; }
.site-footer .footer-brand { flex: 1 1 300px; max-width: 360px; }
.site-footer .footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.site-footer .footer-brand p { font-size: 14px; line-height: 1.8; }
.site-footer h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.site-footer .column { flex: 1 1 160px; }
.site-footer .footer-links li { margin-bottom: 10px; }
.site-footer .footer-links a { font-size: 14px; color: #93a4b8; transition: all 0.3s; }
.site-footer .footer-links a:hover { color: var(--accent); }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 12px; }
.footer-contact i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 13px; }
.footer-bottom a { color: #93a4b8; }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero { min-height: 600px; }
  .hero-card-side { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid { grid-template-columns: repeat(2, 1fr); }
  .feedback-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .split-section { gap: 36px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav-desktop { display: none; }
  .header-cta .btn { display: none; } 
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: 70px; }
  .site-header { height: 64px; }
  .header-inner { height: 64px; }
  .hero { min-height: 560px; padding: 60px 0; }
  .hero-title { font-size: 30px; }
  .hero-stats { gap: 20px; }
  .hero-stat .num { font-size: 24px; }
  .feature-grid, .category-grid, .content-grid, .feedback-grid, .process-grid, .stats-grid { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .compare-table { font-size: 13px; }
  .compare-table th, .compare-table td { padding: 12px 14px; font-size: 13px; }
  .container { padding: 0 18px; }
  .footer-top { flex-direction: column; gap: 30px; }
  .two-col-list { columns: 1; }
  .cta-section { padding: 70px 0; }
  .section-head { margin-bottom: 34px; }
}

@media (max-width: 520px) {
  .hero { min-height: auto; padding: 48px 0 48px; }
  .hero-title { font-size: 26px; }
  .hero-desc { font-size: 15px; }
  .hero-actions .btn { padding: 12px 24px; font-size: 14px; width: 100%; justify-content: center; }
  .hero-actions .btn-outline { width: 100%; }
  .feature-grid, .category-grid, .content-grid, .feedback-grid, .process-grid, .stats-grid { grid-template-columns: 1fr; }
  .card { padding: 24px 20px; }
  .content-card .cc-cover { height: 140px; }
  .section-title { font-size: 24px; }
  .section-sub { font-size: 14px; }
  .compare-table th, .compare-table td { padding: 10px 10px; font-size: 12px; }
  .compare-table th:last-child, .compare-table td:last-child { display: table-cell; }
  .faq-item details summary { padding: 18px 20px; font-size: 15px; }
  .faq-item details .faq-answer { padding: 14px 20px; }
}

@media (max-width: 400px) {
  .compare-table th:nth-child(2), .compare-table td:nth-child(2) { display: none; } 
  .mobile-bottom-nav .mbn-item { padding: 6px 6px; font-size: 10px; }
}

/* focus accessibility */
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid rgba(10,77,140,0.4); outline-offset: 2px; border-radius: 6px; }

/* roulang page: article */
:root {
            --primary: #0B2A4A;
            --primary-light: #1E4A76;
            --accent: #D4A853;
            --accent-light: #E6C273;
            --bg: #F4F7FB;
            --card-bg: #FFFFFF;
            --text: #1E293B;
            --muted: #5B6B7F;
            --border: #E2E8F0;
            --radius-lg: 20px;
            --radius-md: 12px;
            --shadow-sm: 0 2px 8px rgba(11, 42, 74, 0.06);
            --shadow-md: 0 8px 30px rgba(11, 42, 74, 0.10);
            --shadow-lg: 0 20px 50px rgba(11, 42, 74, 0.15);
            --space-section: 5rem;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        /* ===== Foundation Overrides & Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        ul, ol {
            list-style-position: inside;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .grid-container {
            max-width: 1200px;
        }
        .cell {
            margin-bottom: 24px;
        }

        /* ===== Mobile Bottom Tab Navigation ===== */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-top: 1px solid var(--border);
            z-index: 1000;
            padding: 8px 16px;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
            justify-content: space-around;
            align-items: center;
        }
        .mobile-bottom-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 12px;
            color: var(--muted);
            gap: 4px;
            padding: 6px 12px;
            border-radius: var(--radius-md);
        }
        .mobile-bottom-nav a i {
            font-size: 20px;
        }
        .mobile-bottom-nav a.active,
        .mobile-bottom-nav a:hover {
            color: var(--primary);
            background: rgba(11, 42, 74, 0.05);
        }
        .mobile-bottom-nav .tab-cta {
            color: var(--accent);
        }

        /* ===== Header & Desktop Navigation ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: var(--shadow-sm);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-desktop a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 100px;
            font-weight: 500;
            color: var(--muted);
            font-size: 0.95rem;
        }
        .nav-desktop a i {
            font-size: 0.9rem;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            background: rgba(11, 42, 74, 0.06);
            color: var(--primary);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== Buttons & Badges ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
            box-shadow: 0 4px 15px rgba(11, 42, 74, 0.2);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(11, 42, 74, 0.3);
            color: #fff;
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            color: #fff;
            box-shadow: 0 4px 15px rgba(212, 168, 83, 0.3);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 8px 25px rgba(212, 168, 83, 0.4);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--border);
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(11, 42, 74, 0.02);
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(212, 168, 83, 0.15);
            color: var(--accent);
        }
        .badge-blue {
            background: rgba(11, 42, 74, 0.08);
            color: var(--primary);
        }

        /* ===== Page Banner (Article Hero) ===== */
        .page-banner {
            background: linear-gradient(135deg, rgba(11, 42, 74, 0.92), rgba(30, 74, 118, 0.85)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 6rem 0 4rem 0;
            color: #fff;
            position: relative;
        }
        .page-banner .badge {
            background: rgba(255, 255, 255, 0.15);
            color: var(--accent-light);
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -1px;
            margin: 16px 0 12px 0;
            max-width: 800px;
        }
        .page-banner .banner-meta {
            display: flex;
            gap: 20px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .page-banner .banner-meta i {
            color: var(--accent-light);
            margin-right: 6px;
        }

        /* ===== Article Main Layout ===== */
        .article-wrap {
            padding: var(--space-section) 0;
        }
        .article-main {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
            border: 1px solid var(--border);
            margin-bottom: 30px;
        }
        .article-content {
            font-size: 1.05rem;
            color: #334155;
            line-height: 2;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text);
            margin: 40px 0 16px 0;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .article-content h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background: var(--accent);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 12px 0;
        }
        .article-content p {
            margin-bottom: 20px;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 20px;
            padding-left: 20px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(212, 168, 83, 0.08);
            padding: 16px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            color: var(--muted);
        }

        /* ===== Sidebar ===== */
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .sidebar-card h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--accent);
        }
        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text);
        }
        .sidebar-link:last-child {
            border-bottom: none;
        }
        .sidebar-link i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .sidebar-link:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .help-card {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
            border: none;
            text-align: center;
        }
        .help-card h3 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }
        .help-card p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .help-card .btn {
            background: #fff;
            color: var(--primary);
        }
        .help-card .btn:hover {
            background: var(--accent-light);
            color: var(--primary);
        }

        /* ===== Related / Latest Section ===== */
        .related-section {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
            border: 1px solid var(--border);
        }
        .related-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title i {
            color: var(--accent);
        }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .related-card h4 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .related-card h4 a {
            color: var(--text);
        }
        .related-card h4 a:hover {
            color: var(--primary);
        }
        .related-card .meta {
            font-size: 0.8rem;
            color: var(--muted);
            display: flex;
            gap: 16px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(11, 42, 74, 0.95), rgba(30, 74, 118, 0.9)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            margin-top: 60px;
            color: #fff;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 30px auto;
        }
        .cta-section .btn {
            font-size: 1rem;
            padding: 14px 32px;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: var(--space-section) 0 0 0;
        }
        .faq-section .section-title {
            font-size: 2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .faq-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 12px;
            display: flex;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--accent);
        }
        .faq-item p {
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0B1A2B;
            color: #94A3B8;
            padding-top: 60px;
            margin-top: 80px;
            border-radius: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-brand .logo-icon {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            width: 34px;
            height: 34px;
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 6px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }
        .footer-contact i {
            color: var(--accent);
            width: 20px;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.85rem;
        }

        /* ===== Foundation Overrides ===== */
        .grid-x {
            margin: 0 -12px;
        }
        .cell {
            padding: 0 12px;
        }

        /* ===== Responsive Breakpoints ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 4rem;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .header-cta .btn-primary {
                display: none;
            }
            .mobile-bottom-nav {
                display: flex;
            }
            body {
                padding-bottom: 70px;
            }
            .header-inner {
                height: 60px;
            }
            .page-banner {
                padding: 4rem 0 3rem 0;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .article-main {
                padding: 24px;
            }
            .related-section {
                padding: 24px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .article-wrap .grid-x {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .banner-meta {
                font-size: 0.8rem;
                gap: 12px;
            }
            .article-content {
                font-size: 1rem;
                line-height: 1.9;
            }
            .article-content h2 {
                font-size: 1.35rem;
            }
            .related-card {
                margin-bottom: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Focus Accessibility ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
  --primary: #0d3b66;
  --primary-light: #1a5a96;
  --primary-dark: #082a4a;
  --accent: #c9a86a;
  --accent-light: #e0c88e;
  --accent-dark: #a8854a;
  --bg: #f4f7fb;
  --bg-white: #ffffff;
  --bg-dark: #0a2740;
  --text: #1f2a37;
  --text-light: #667085;
  --text-invert: #f0f4fa;
  --border: #e3e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(13, 59, 102, 0.08);
  --shadow-lg: 0 20px 48px rgba(13, 59, 102, 0.14);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s ease;
  --container-w: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

section {
  padding: 92px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 106, 0.14);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 7px 16px;
  border-radius: 30px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-label i {
  font-size: 14px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--primary-dark);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.7;
  max-width: 640px;
}

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.text-center {
  text-align: center;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.4;
  text-decoration: none;
}

.btn i {
  font-size: 15px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 8px 22px rgba(13, 59, 102, 0.28);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(13, 59, 102, 0.34);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px rgba(13, 59, 102, 0.24);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 8px 22px rgba(201, 168, 106, 0.32);
}

.btn-accent:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(201, 168, 106, 0.4);
}

.btn-light {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(6px);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.28);
  color: #fff;
  transform: translateY(-2px);
}

.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(201, 168, 106, 0.5);
  outline-offset: 2px;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(13, 59, 102, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 17px;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(13, 59, 102, 0.28);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-desktop a {
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.nav-desktop a i {
  font-size: 14px;
  opacity: 0.8;
}

.nav-desktop a:hover {
  color: var(--primary);
  background: rgba(13, 59, 102, 0.06);
}

.nav-desktop a.active {
  color: var(--primary);
  background: rgba(13, 59, 102, 0.08);
  font-weight: 700;
}

.nav-desktop a.active i {
  opacity: 1;
}

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

.header-cta .btn {
  padding: 11px 22px;
  font-size: 14px;
  border-radius: 10px;
}

/* ============ Page Hero ============ */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(8, 42, 74, 0.92), rgba(13, 59, 102, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 120px 0 112px;
  color: #fff;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 2px solid rgba(201, 168, 106, 0.35);
  box-shadow: 0 0 0 46px rgba(201, 168, 106, 0.08), 0 0 0 96px rgba(201, 168, 106, 0.04);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 22px;
}

.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.hero-breadcrumb a:hover {
  color: var(--accent-light);
}

.hero-breadcrumb i {
  font-size: 12px;
  opacity: 0.6;
}

.hero-breadcrumb .breadcrumb-current {
  color: var(--accent-light);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 106, 0.2);
  border: 1px solid rgba(201, 168, 106, 0.35);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 30px;
  margin-bottom: 22px;
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-title .gradient-text {
  background: linear-gradient(120deg, var(--accent-light), #f0d9ac);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 36px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ============ Card ============ */
.card {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 36px 30px;
  transition: var(--transition);
  height: 100%;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201, 168, 106, 0.4);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 22px;
  background: linear-gradient(135deg, rgba(13, 59, 102, 0.08), rgba(201, 168, 106, 0.12));
  color: var(--primary);
}

.card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.card p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 16px;
}

.card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-dark);
  background: rgba(201, 168, 106, 0.12);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

/* ============ 登录方式对比 ============ */
.methods-section {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.methods-section .section-head {
  margin-bottom: 48px;
}

.method-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201, 168, 106, 0.45);
}

.method-card .method-number {
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 44px;
  font-weight: 900;
  color: rgba(13, 59, 102, 0.07);
  line-height: 1;
}

.method-card .card-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 8px 18px rgba(13, 59, 102, 0.24);
}

.method-card h3 {
  font-size: 21px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.method-card .method-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 20px;
  flex: 1;
}

.method-features {
  margin-bottom: 24px;
}

.method-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  padding: 6px 0;
  line-height: 1.6;
}

.method-features li i {
  color: var(--accent);
  font-size: 13px;
  margin-top: 5px;
}

.method-card .btn {
  width: 100%;
  padding: 12px 20px;
  font-size: 14px;
}

/* ============ 流程 ============ */
.process-section {
  background: var(--bg);
}

.steps-grid {
  margin-top: 48px;
}

.step-item {
  text-align: center;
  position: relative;
  padding: 0 20px;
}

.step-number {
  width: 76px;
  height: 76px;
  border-radius: 24px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(13, 59, 102, 0.3);
  position: relative;
  z-index: 2;
}

.step-item::before {
  content: '';
  position: absolute;
  top: 38px;
  left: -64px;
  width: 128px;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(201, 168, 106, 0.7) 0 6px, transparent 6px 12px);
  z-index: 1;
}

.step-item:first-child::before {
  display: none;
}

.step-item h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.step-item p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  max-width: 240px;
  margin: 0 auto;
}

/* ============ 清单区 ============ */
.checklist-section {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.checklist-wrap {
  display: flex;
  align-items: center;
  gap: 64px;
}

.checklist-left {
  flex: 1;
}

.checklist-right {
  flex: 1;
  display: flex;
  justify-content: center;
}

.checklist-right img {
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  height: 360px;
  object-fit: cover;
}

.checklist-items {
  margin-top: 30px;
}

.checklist-items li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--border);
  align-items: flex-start;
}

.checklist-items li:last-child {
  border-bottom: none;
}

.check-list-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(201, 168, 106, 0.14);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 4px;
}

.checklist-items li strong {
  display: block;
  font-size: 16px;
  color: var(--text);
  font-weight: 700;
}

.checklist-items li span {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============ 数据统计 ============ */
.stats-section {
  background: linear-gradient(135deg, rgba(10, 39, 64, 0.95), rgba(13, 59, 102, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 80px 0;
  color: #fff;
}

.stat-item {
  text-align: center;
  padding: 20px 16px;
}

.stat-number {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 900;
  color: var(--accent-light);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 500;
}

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

.faq-wrap {
  max-width: 860px;
  margin: 44px auto 0;
}

.accordion {
  background: transparent;
  margin: 0;
}

.accordion-item {
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item.is-active {
  border-color: rgba(201, 168, 106, 0.5);
  box-shadow: var(--shadow-lg);
}

.accordion-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text) !important;
  background: var(--bg-white) !important;
  border: none !important;
  padding: 24px 28px !important;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
}

.accordion-title::before, .accordion-title::after {
  content: none !important;
}

.accordion-title .faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(13, 59, 102, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}

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

.accordion-content {
  background: var(--bg-white) !important;
  border: none !important;
  padding: 0 28px 24px 28px !important;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}

/* ============ CTA ============ */
.cta-section {
  background: var(--bg-white);
  padding: 90px 0;
}

.cta-box {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: 28px;
  padding: 60px 56px;
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -70px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 1px solid rgba(201, 168, 106, 0.4);
  box-shadow: 0 0 0 30px rgba(201, 168, 106, 0.08), 0 0 0 62px rgba(201, 168, 106, 0.04);
}

.cta-box h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}

.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 32px;
  position: relative;
  z-index: 2;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* ============ Footer ============ */
.site-footer {
  background: #081f36;
  color: rgba(255, 255, 255, 0.72);
  padding-top: 64px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.62);
  max-width: 360px;
}

.site-footer .column h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-links li, .footer-contact li {
  margin-bottom: 12px;
  font-size: 14px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.62);
}

.footer-contact i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0 28px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.46);
}

/* ============ 移动端底部 Tab ============ */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(13, 59, 102, 0.08);
  box-shadow: 0 -4px 16px rgba(13, 59, 102, 0.06);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  justify-content: space-around;
  border-radius: 20px 20px 0 0;
}

.mobile-tabbar .tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
  min-width: 80px;
}

.mobile-tabbar .tab-item i {
  font-size: 20px;
}

.mobile-tabbar .tab-item.active {
  color: var(--primary);
  background: rgba(13, 59, 102, 0.08);
  font-weight: 700;
}

.mobile-tabbar .tab-item.tab-cta {
  color: var(--primary);
  background: linear-gradient(135deg, rgba(13, 59, 102, 0.1), rgba(201, 168, 106, 0.16));
}

/* ============ Media Queries ============ */
@media (max-width: 1024px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .checklist-wrap {
    gap: 40px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }
  .checklist-wrap {
    flex-direction: column;
  }
  .checklist-right img {
    max-width: 100%;
    height: 280px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 70px 0;
  }
  .page-hero {
    padding: 90px 0 80px;
  }
  .header-inner {
    height: 68px;
  }
  .header-cta .btn span {
    display: none;
  }
  .header-cta .btn {
    padding: 10px 14px;
    font-size: 14px;
  }
  .header-cta .btn i {
    font-size: 15px;
    margin: 0;
  }
  .logo {
    font-size: 17px;
  }
  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }
  .step-item::before {
    display: none;
  }
  .step-item {
    padding: 24px;
  }
  .steps-grid {
    gap: 20px;
  }
  .cta-box {
    padding: 44px 24px;
    border-radius: 20px;
  }
  .mobile-tabbar {
    display: flex;
  }
  body {
    padding-bottom: 76px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .site-footer {
    padding-top: 48px;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .method-card {
    padding: 28px 22px;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .checklist-right img {
    height: 220px;
  }
  .mobile-tabbar .tab-item {
    min-width: 64px;
    padding: 6px 8px;
    font-size: 11px;
  }
  .mobile-tabbar .tab-item i {
    font-size: 18px;
  }
  .accordion-title {
    padding: 18px 18px !important;
    font-size: 15px;
  }
  .accordion-content {
    padding: 0 18px 18px 18px !important;
    font-size: 14px;
  }
}