/* roulang page: index */
:root {
  --ink: #0b1b3a;
  --brand: #0d1830;
  --brand-2: #132a55;
  --gold: #c9a44c;
  --gold-soft: #e6c87a;
  --bg-body: #f4f5fa;
  --bg-dark: #081020;
  --text: #182a4b;
  --text-light: #5c6b8a;
  --text-invert: #f2f5fb;
  --border: #dde2ef;
  --border-dark: rgba(255,255,255,0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 20px 50px rgba(11,27,58,0.08);
  --shadow-lg: 0 30px 80px rgba(8,16,32,0.18);
  --transition: all .3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }
.container-site { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; width: 100%; }
.site-header { position: fixed; top: 18px; left: 0; right: 0; z-index: 100; padding: 0 16px; display: flex; justify-content: center; pointer-events: none; }
.nav-dock { pointer-events: auto; display: flex; align-items: center; justify-content: space-between; width: min(1180px, 100%); padding: 10px 20px; background: rgba(9,15,32,0.78); border: 1px solid rgba(255,255,255,0.14); border-radius: 999px; box-shadow: 0 14px 40px rgba(0,0,0,0.28); -webkit-backdrop-filter: blur(20px) saturate(150%); backdrop-filter: blur(20px) saturate(150%); gap: 20px; }
.brand-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: linear-gradient(135deg, #e6c87a, #c9a44c); color: #10142a; border-radius: 12px; font-weight: 800; font-size: 18px; letter-spacing: .5px; box-shadow: 0 4px 12px rgba(201,164,76,0.35); }
.logo-text { font-size: 18px; font-weight: 700; color: #f0f3fa; letter-spacing: .04em; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link { padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 500; color: rgba(240,243,250,0.78); transition: var(--transition); }
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }
.nav-link.active { color: #10142a; background: linear-gradient(135deg, #e6c87a, #c9a44c); font-weight: 600; box-shadow: 0 4px 16px rgba(201,164,76,0.36); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 12px; color: #fff; background: rgba(255,255,255,0.12); font-size: 18px; align-items: center; justify-content: center; transition: var(--transition); }
.menu-toggle:hover { background: rgba(255,255,255,0.2); }
.mobile-menu { display: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 999px; font-size: 15px; font-weight: 600; letter-spacing: .01em; transition: var(--transition); border: 1px solid transparent; cursor: pointer; white-space: nowrap; }
.btn-gold { background: linear-gradient(135deg, var(--gold-soft), var(--gold)); color: #10142a; box-shadow: 0 8px 24px rgba(201,164,76,0.35); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(201,164,76,0.45); }
.btn-outline { border-color: rgba(255,255,255,0.35); color: #fff; background: rgba(255,255,255,0.08); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn-outline:hover { background: rgba(255,255,255,0.14); transform: translateY(-2px); }
.btn-dark { background: var(--ink); color: #fff; box-shadow: 0 8px 24px rgba(11,27,58,0.2); }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(11,27,58,0.3); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; background: linear-gradient(135deg, rgba(7,15,31,0.92) 0%, rgba(13,29,58,0.78) 52%, rgba(8,16,32,0.86) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat; }
.hero-content { padding: 160px 0 100px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; background: rgba(201,164,76,0.14); border: 1px solid rgba(201,164,76,0.35); border-radius: 999px; color: var(--gold-soft); font-size: 13px; font-weight: 600; letter-spacing: .06em; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.hero-title { font-size: clamp(44px, 7vw, 80px); font-weight: 900; color: #fff; letter-spacing: -0.03em; line-height: 1.08; margin-top: 24px; text-shadow: 0 6px 30px rgba(0,0,0,0.3); }
.hero-title .gold-text { background: linear-gradient(135deg, #f4d789, #c9a44c); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { margin-top: 22px; font-size: 18px; line-height: 1.85; color: rgba(235,240,250,0.85); max-width: 680px; }
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 16px; }
.hero-meta { margin-top: 56px; display: flex; flex-wrap: wrap; gap: 10px 28px; color: rgba(225,232,245,0.65); font-size: 14px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.stats-section { background: var(--bg-dark); border-bottom: 1px solid rgba(255,255,255,0.06); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 54px 0; }
.stat-item { text-align: center; padding: 20px 10px; border-radius: var(--radius); background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); transition: var(--transition); }
.stat-item:hover { background: rgba(255,255,255,0.06); transform: translateY(-4px); }
.stat-icon { font-size: 28px; color: var(--gold); }
.stat-number { font-size: clamp(30px, 4vw, 42px); font-weight: 800; color: #fff; margin-top: 8px; line-height: 1.2; }
.stat-label { font-size: 14px; color: rgba(225,232,245,0.6); margin-top: 4px; }
.section-padding { padding: 110px 0; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; background: rgba(201,164,76,0.14); color: #a38034; border: 1px solid rgba(201,164,76,0.32); border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: .05em; }
.section-title { font-size: clamp(30px, 4vw, 42px); font-weight: 800; color: var(--ink); line-height: 1.2; margin-top: 18px; letter-spacing: -0.02em; }
.section-desc { margin-top: 16px; font-size: 16px; color: var(--text-light); max-width: 660px; line-height: 1.8; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-top: 54px; }
.about-media { position: relative; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-lg); }
.about-media img { width: 100%; height: 100%; object-fit: cover; }
.about-media .media-card { position: absolute; bottom: 20px; left: 20px; right: 20px; padding: 18px 22px; background: rgba(11,27,58,0.78); border: 1px solid rgba(255,255,255,0.14); border-radius: 16px; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); color: #fff; font-size: 14px; display: flex; align-items: center; gap: 12px; }
.about-content .check-list { margin-top: 30px; display: grid; gap: 16px; }
.about-content .check-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 16px; color: var(--text); }
.about-content .check-list i { color: var(--gold); margin-top: 5px; font-size: 15px; }
.cats-section { background: #fff; }
.cats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; margin-top: 54px; }
.cat-card { position: relative; border-radius: 24px; overflow: hidden; background: #0d1830; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-card img { width: 100%; height: 260px; object-fit: cover; transition: transform .6s ease; }
.cat-card:hover img { transform: scale(1.05); }
.cat-card .cat-info { padding: 28px; background: #fff; position: relative; }
.cat-card .cat-info h3 { font-size: 24px; font-weight: 800; color: var(--ink); }
.cat-card .cat-info p { margin-top: 8px; color: var(--text-light); font-size: 15px; line-height: 1.7; }
.cat-card .cat-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--gold); font-weight: 600; font-size: 14px; transition: var(--transition); }
.cat-card .cat-link:hover { gap: 14px; color: #8a6a2b; }
.news-section { background: var(--bg-body); }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 50px; }
.news-item { background: #fff; border-radius: 20px; padding: 28px 30px; border: 1px solid var(--border); box-shadow: 0 6px 20px rgba(11,27,58,0.04); transition: var(--transition); display: flex; flex-direction: column; }
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(201,164,76,0.35); }
.news-tag { align-self: flex-start; padding: 5px 14px; background: rgba(201,164,76,0.12); color: #a38034; border-radius: 999px; font-size: 12px; font-weight: 600; }
.news-title { margin-top: 14px; font-size: 18px; font-weight: 700; color: var(--ink); line-height: 1.5; }
.news-desc { margin-top: 8px; font-size: 14px; color: var(--text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { margin-top: 18px; display: flex; align-items: center; gap: 16px; font-size: 13px; color: #94a3bd; border-top: 1px solid #edf0f6; padding-top: 14px; }
.news-meta i { color: var(--gold); }
.empty-tip { grid-column: 1 / -1; text-align: center; padding: 60px 20px; background: #fff; border-radius: 20px; border: 1px dashed var(--border); color: var(--text-light); font-size: 15px; }
.features-section { background: linear-gradient(135deg, #0b1b3a, #0d1830); position: relative; overflow: hidden; }
.features-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.12; }
.features-section .container-site { position: relative; z-index: 1; }
.features-section .section-title { color: #fff; }
.features-section .section-desc { color: rgba(225,232,245,0.7); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 52px; }
.feature-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 20px; padding: 30px 24px; transition: var(--transition); }
.feature-card:hover { background: rgba(255,255,255,0.09); transform: translateY(-4px); border-color: rgba(201,164,76,0.35); }
.feature-icon { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, rgba(201,164,76,0.3), rgba(201,164,76,0.16)); display: flex; align-items: center; justify-content: center; color: var(--gold-soft); font-size: 22px; }
.feature-card h3 { margin-top: 18px; color: #fff; font-size: 17px; font-weight: 700; }
.feature-card p { margin-top: 8px; color: rgba(225,232,245,0.65); font-size: 14px; line-height: 1.7; }
.faq-section { background: #fff; }
.faq-grid { max-width: 860px; margin: 48px auto 0; display: grid; gap: 16px; }
.faq-item { background: var(--bg-body); border: 1px solid var(--border); border-radius: 18px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(201,164,76,0.35); }
.faq-q { width: 100%; padding: 20px 26px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 16px; font-weight: 600; color: var(--ink); text-align: left; }
.faq-q i { color: var(--gold); transition: transform .35s ease; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .4s ease; padding: 0 26px; font-size: 15px; color: var(--text-light); line-height: 1.8; }
.faq-item.open .faq-a { max-height: 320px; padding: 0 26px 22px; }
.cta-section { background: linear-gradient(135deg, #0b1b3a, #132a55); padding: 80px 0; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center/cover no-repeat; opacity: 0.18; }
.cta-box { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-box h2 { color: #fff; font-size: clamp(28px, 4vw, 42px); font-weight: 800; line-height: 1.25; }
.cta-box p { color: rgba(225,232,245,0.75); margin-top: 14px; font-size: 16px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.site-footer { background: #071020; padding-top: 70px; padding-bottom: 30px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand-logo .logo-text { color: #fff; }
.footer-brand p { margin-top: 18px; color: rgba(200,212,235,0.6); font-size: 14px; line-height: 1.8; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .04em; margin-bottom: 18px; }
.footer-col a { display: block; padding: 6px 0; color: rgba(200,212,235,0.6); font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: var(--gold); padding-left: 6px; }
.footer-copyright { padding-top: 28px; text-align: center; color: rgba(200,212,235,0.4); font-size: 13px; }
.footer-copyright a { color: rgba(200,212,235,0.5); }
.footer-copyright a:hover { color: var(--gold); }
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 40px; }
  .hero-content { padding: 140px 0 80px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu.open { display: flex; flex-direction: column; position: fixed; top: 80px; left: 16px; right: 16px; background: rgba(9,15,32,0.96); border: 1px solid var(--border-dark); border-radius: 24px; padding: 20px; z-index: 99; gap: 8px; -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: var(--shadow-lg); }
  .mobile-menu .nav-link { color: #f0f3fa; padding: 12px 16px; border-radius: 14px; }
  .mobile-menu .nav-link.active { background: linear-gradient(135deg, #e6c87a, #c9a44c); color: #10142a; }
  .hero { min-height: 88vh; }
  .hero-content { padding: 130px 0 70px; }
  .hero-title { font-size: clamp(36px, 10vw, 54px); }
  .hero-sub { font-size: 16px; }
  .about-grid { grid-template-columns: 1fr; }
  .cats-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .section-padding { padding: 72px 0; }
  .cat-card img { height: 200px; }
}
@media (max-width: 520px) {
  .container-site { padding-left: 16px; padding-right: 16px; }
  .nav-dock { padding: 8px 14px; gap: 10px; }
  .logo-text { font-size: 15px; }
  .logo-mark { width: 32px; height: 32px; font-size: 15px; }
  .nav-actions .btn { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; padding: 38px 0; }
  .stat-number { font-size: 26px; }
  .hero-actions .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
}

:root {
  --ink: #0b1b3a;
  --brand: #0d1830;
  --brand-2: #132a55;
  --gold: #c9a44c;
  --gold-soft: #e6c87a;
  --bg-body: #f4f5fa;
  --bg-dark: #081020;
  --text: #182a4b;
  --text-light: #5c6b8a;
  --text-invert: #f2f5fb;
  --border: #dde2ef;
  --border-dark: rgba(255,255,255,0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 20px 50px rgba(11,27,58,0.08);
  --shadow-lg: 0 30px 80px rgba(8,16,32,0.18);
  --transition: all .3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; color: var(--text); background: var(--bg-body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }
.container-site { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; width: 100%; }
.site-header { position: fixed; top: 18px; left: 0; right: 0; z-index: 100; padding: 0 16px; display: flex; justify-content: center; pointer-events: none; }
.nav-dock { pointer-events: auto; display: flex; align-items: center; justify-content: space-between; width: min(1180px, 100%); padding: 10px 20px; background: rgba(9,15,32,0.78); border: 1px solid rgba(255,255,255,0.14); border-radius: 999px; box-shadow: 0 14px 40px rgba(0,0,0,0.28); -webkit-backdrop-filter: blur(20px) saturate(150%); backdrop-filter: blur(20px) saturate(150%); gap: 20px; }
.brand-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: linear-gradient(135deg, #e6c87a, #c9a44c); color: #10142a; border-radius: 12px; font-weight: 800; font-size: 18px; letter-spacing: .5px; box-shadow: 0 4px 12px rgba(201,164,76,0.35); }
.logo-text { font-size: 18px; font-weight: 700; color: #f0f3fa; letter-spacing: .04em; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link { padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 500; color: rgba(240,243,250,0.78); transition: var(--transition); }
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }
.nav-link.active { color: #10142a; background: linear-gradient(135deg, #e6c87a, #c9a44c); font-weight: 600; box-shadow: 0 4px 16px rgba(201,164,76,0.36); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 12px; color: #fff; background: rgba(255,255,255,0.12); font-size: 18px; align-items: center; justify-content: center; transition: var(--transition); }
.menu-toggle:hover { background: rgba(255,255,255,0.2); }
.mobile-menu { display: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 999px; font-size: 15px; font-weight: 600; letter-spacing: .01em; transition: var(--transition); border: 1px solid transparent; cursor: pointer; white-space: nowrap; }
.btn-gold { background: linear-gradient(135deg, var(--gold-soft), var(--gold)); color: #10142a; box-shadow: 0 8px 24px rgba(201,164,76,0.35); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(201,164,76,0.45); }
.btn-outline { border-color: rgba(255,255,255,0.35); color: #fff; background: rgba(255,255,255,0.08); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn-outline:hover { background: rgba(255,255,255,0.14); transform: translateY(-2px); }
.btn-dark { background: var(--ink); color: #fff; box-shadow: 0 8px 24px rgba(11,27,58,0.2); }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(11,27,58,0.3); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.page-banner { position: relative; padding: 170px 0 90px; background: linear-gradient(135deg, rgba(7,15,31,0.92), rgba(13,29,58,0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; }
.page-banner-breadcrumb { display: flex; align-items: center; gap: 10px; color: rgba(225,232,245,0.7); font-size: 14px; }
.page-banner-breadcrumb a:hover { color: var(--gold); }
.page-banner-title { font-size: clamp(34px, 5vw, 52px); font-weight: 900; color: #fff; margin-top: 20px; line-height: 1.2; letter-spacing: -0.02em; }
.page-banner-sub { margin-top: 16px; color: rgba(225,232,245,0.8); font-size: 17px; max-width: 660px; line-height: 1.8; }
.section-padding { padding: 100px 0; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; background: rgba(201,164,76,0.14); color: #a38034; border: 1px solid rgba(201,164,76,0.32); border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: .05em; }
.section-title { font-size: clamp(30px, 4vw, 40px); font-weight: 800; color: var(--ink); line-height: 1.2; margin-top: 18px; letter-spacing: -0.02em; }
.section-desc { margin-top: 16px; font-size: 16px; color: var(--text-light); max-width: 640px; line-height: 1.8; }
.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 52px; }
.entry-card { background: #fff; border-radius: 22px; padding: 34px 28px; border: 1px solid var(--border); box-shadow: 0 8px 24px rgba(11,27,58,0.04); transition: var(--transition); }
.entry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(201,164,76,0.35); }
.entry-icon { width: 58px; height: 58px; border-radius: 16px; background: linear-gradient(135deg, rgba(201,164,76,0.18), rgba(201,164,76,0.06)); display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 24px; }
.entry-card h3 { margin-top: 22px; font-size: 20px; font-weight: 700; color: var(--ink); }
.entry-card p { margin-top: 10px; font-size: 15px; color: var(--text-light); line-height: 1.75; }
.steps-section { background: #fff; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 52px; }
.step-card { position: relative; background: var(--bg-body); border-radius: 20px; padding: 32px 24px; border: 1px solid var(--border); transition: var(--transition); }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-num { font-size: 42px; font-weight: 900; color: rgba(201,164,76,0.3); line-height: 1; }
.step-card h3 { margin-top: 18px; font-size: 17px; font-weight: 700; color: var(--ink); }
.step-card p { margin-top: 8px; font-size: 14px; color: var(--text-light); line-height: 1.7; }
.faq-section { background: var(--bg-body); }
.faq-grid { max-width: 860px; margin: 48px auto 0; display: grid; gap: 16px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 18px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(201,164,76,0.35); }
.faq-q { width: 100%; padding: 20px 26px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 16px; font-weight: 600; color: var(--ink); text-align: left; }
.faq-q i { color: var(--gold); transition: transform .35s ease; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .4s ease; padding: 0 26px; font-size: 15px; color: var(--text-light); line-height: 1.8; }
.faq-item.open .faq-a { max-height: 320px; padding: 0 26px 22px; }
.rel-section { background: #fff; }
.rel-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 48px; }
.rel-card { position: relative; border-radius: 22px; overflow: hidden; border: 1px solid var(--border); transition: var(--transition); background: #fff; }
.rel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.rel-card img { width: 100%; height: 200px; object-fit: cover; }
.rel-card .rel-info { padding: 24px 26px; }
.rel-card .rel-info h3 { font-size: 19px; font-weight: 700; color: var(--ink); }
.rel-card .rel-info p { margin-top: 8px; font-size: 14px; color: var(--text-light); line-height: 1.7; }
.rel-card .rel-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; color: var(--gold); font-weight: 600; font-size: 14px; transition: var(--transition); }
.cta-section { background: linear-gradient(135deg, #0b1b3a, #132a55); padding: 80px 0; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center/cover no-repeat; opacity: 0.18; }
.cta-box { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-box h2 { color: #fff; font-size: clamp(28px, 4vw, 42px); font-weight: 800; line-height: 1.25; }
.cta-box p { color: rgba(225,232,245,0.75); margin-top: 14px; font-size: 16px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.site-footer { background: #071020; padding-top: 70px; padding-bottom: 30px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand-logo .logo-text { color: #fff; }
.footer-brand p { margin-top: 18px; color: rgba(200,212,235,0.6); font-size: 14px; line-height: 1.8; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .04em; margin-bottom: 18px; }
.footer-col a { display: block; padding: 6px 0; color: rgba(200,212,235,0.6); font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: var(--gold); padding-left: 6px; }
.footer-copyright { padding-top: 28px; text-align: center; color: rgba(200,212,235,0.4); font-size: 13px; }
.footer-copyright a { color: rgba(200,212,235,0.5); }
.footer-copyright a:hover { color: var(--gold); }
@media (max-width: 1024px) {
  .entry-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu.open { display: flex; flex-direction: column; position: fixed; top: 80px; left: 16px; right: 16px; background: rgba(9,15,32,0.96); border: 1px solid var(--border-dark); border-radius: 24px; padding: 20px; z-index: 99; gap: 8px; -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: var(--shadow-lg); }
  .mobile-menu .nav-link { color: #f0f3fa; padding: 12px 16px; border-radius: 14px; }
  .mobile-menu .nav-link.active { background: linear-gradient(135deg, #e6c87a, #c9a44c); color: #10142a; }
  .page-banner { padding: 140px 0 70px; }
  .entry-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .rel-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .section-padding { padding: 72px 0; }
}
@media (max-width: 520px) {
  .container-site { padding-left: 16px; padding-right: 16px; }
  .nav-dock { padding: 8px 14px; gap: 10px; }
  .logo-text { font-size: 15px; }
  .logo-mark { width: 32px; height: 32px; font-size: 15px; }
  .nav-actions .btn { display: none; }
  .cta-actions .btn { width: 100%; }
}

:root {
  --ink: #0b1b3a;
  --brand: #0d1830;
  --brand-2: #132a55;
  --gold: #c9a44c;
  --gold-soft: #e6c87a;
  --bg-body: #f4f5fa;
  --bg-dark: #081020;
  --text: #182a4b;
  --text-light: #5c6b8a;
  --text-invert: #f2f5fb;
  --border: #dde2ef;
  --border-dark: rgba(255,255,255,0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 20px 50px rgba(11,27,58,0.08);
  --shadow-lg: 0 30px 80px rgba(8,16,32,0.18);
  --transition: all .3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; color: var(--text); background: var(--bg-body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }
.container-site { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; width: 100%; }
.site-header { position: fixed; top: 18px; left: 0; right: 0; z-index: 100; padding: 0 16px; display: flex; justify-content: center; pointer-events: none; }
.nav-dock { pointer-events: auto; display: flex; align-items: center; justify-content: space-between; width: min(1180px, 100%); padding: 10px 20px; background: rgba(9,15,32,0.78); border: 1px solid rgba(255,255,255,0.14); border-radius: 999px; box-shadow: 0 14px 40px rgba(0,0,0,0.28); -webkit-backdrop-filter: blur(20px) saturate(150%); backdrop-filter: blur(20px) saturate(150%); gap: 20px; }
.brand-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: linear-gradient(135deg, #e6c87a, #c9a44c); color: #10142a; border-radius: 12px; font-weight: 800; font-size: 18px; letter-spacing: .5px; box-shadow: 0 4px 12px rgba(201,164,76,0.35); }
.logo-text { font-size: 18px; font-weight: 700; color: #f0f3fa; letter-spacing: .04em; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link { padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 500; color: rgba(240,243,250,0.78); transition: var(--transition); }
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }
.nav-link.active { color: #10142a; background: linear-gradient(135deg, #e6c87a, #c9a44c); font-weight: 600; box-shadow: 0 4px 16px rgba(201,164,76,0.36); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 12px; color: #fff; background: rgba(255,255,255,0.12); font-size: 18px; align-items: center; justify-content: center; transition: var(--transition); }
.menu-toggle:hover { background: rgba(255,255,255,0.2); }
.mobile-menu { display: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 999px; font-size: 15px; font-weight: 600; letter-spacing: .01em; transition: var(--transition); border: 1px solid transparent; cursor: pointer; white-space: nowrap; }
.btn-gold { background: linear-gradient(135deg, var(--gold-soft), var(--gold)); color: #10142a; box-shadow: 0 8px 24px rgba(201,164,76,0.35); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(201,164,76,0.45); }
.btn-outline { border-color: rgba(255,255,255,0.35); color: #fff; background: rgba(255,255,255,0.08); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn-outline:hover { background: rgba(255,255,255,0.14); transform: translateY(-2px); }
.btn-dark { background: var(--ink); color: #fff; box-shadow: 0 8px 24px rgba(11,27,58,0.2); }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(11,27,58,0.3); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.page-banner { position: relative; padding: 170px 0 90px; background: linear-gradient(135deg, rgba(7,15,31,0.92), rgba(13,29,58,0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; }
.page-banner-breadcrumb { display: flex; align-items: center; gap: 10px; color: rgba(225,232,245,0.7); font-size: 14px; }
.page-banner-breadcrumb a:hover { color: var(--gold); }
.page-banner-title { font-size: clamp(34px, 5vw, 52px); font-weight: 900; color: #fff; margin-top: 20px; line-height: 1.2; letter-spacing: -0.02em; }
.page-banner-sub { margin-top: 16px; color: rgba(225,232,245,0.8); font-size: 17px; max-width: 680px; line-height: 1.8; }
.section-padding { padding: 100px 0; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; background: rgba(201,164,76,0.14); color: #a38034; border: 1px solid rgba(201,164,76,0.32); border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: .05em; }
.section-title { font-size: clamp(30px, 4vw, 40px); font-weight: 800; color: var(--ink); line-height: 1.2; margin-top: 18px; letter-spacing: -0.02em; }
.section-desc { margin-top: 16px; font-size: 16px; color: var(--text-light); max-width: 640px; line-height: 1.8; }
.mod-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 52px; }
.mod-card { display: flex; gap: 22px; background: #fff; border-radius: 22px; padding: 30px 28px; border: 1px solid var(--border); box-shadow: 0 8px 24px rgba(11,27,58,0.04); transition: var(--transition); }
.mod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(201,164,76,0.35); }
.mod-icon { flex: 0 0 54px; width: 54px; height: 54px; border-radius: 14px; background: linear-gradient(135deg, rgba(201,164,76,0.2), rgba(201,164,76,0.06)); display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 22px; }
.mod-card h3 { font-size: 19px; font-weight: 700; color: var(--ink); }
.mod-card p { margin-top: 8px; font-size: 14px; color: var(--text-light); line-height: 1.7; }
.scenario-section { background: #fff; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 52px; }
.scenario-card { border-radius: 20px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 6px 20px rgba(11,27,58,0.04); transition: var(--transition); background: #fff; }
.scenario-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.scenario-card img { width: 100%; height: 180px; object-fit: cover; }
.scenario-card .scenario-info { padding: 24px; }
.scenario-card h3 { font-size: 18px; font-weight: 700; color: var(--ink); }
.scenario-card p { margin-top: 8px; font-size: 14px; color: var(--text-light); line-height: 1.7; }
.flow-section { background: var(--bg-body); }
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 52px; }
.flow-step { position: relative; background: #fff; border-radius: 20px; padding: 30px 24px; border: 1px solid var(--border); transition: var(--transition); text-align: center; }
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.flow-num { font-size: 34px; font-weight: 900; color: rgba(201,164,76,0.3); line-height: 1; }
.flow-step h3 { margin-top: 16px; font-size: 16px; font-weight: 700; color: var(--ink); }
.flow-step p { margin-top: 8px; font-size: 14px; color: var(--text-light); line-height: 1.7; }
.list-section { background: #fff; }
.list-card { margin-top: 44px; background: var(--bg-body); border-radius: 24px; padding: 40px; border: 1px solid var(--border); }
.list-card ul { display: grid; gap: 18px; }
.list-card li { display: flex; align-items: flex-start; gap: 12px; font-size: 16px; color: var(--text); padding: 12px 16px; background: #fff; border-radius: 14px; border: 1px solid var(--border); transition: var(--transition); }
.list-card li:hover { transform: translateX(6px); border-color: rgba(201,164,76,0.4); }
.list-card i { color: var(--gold); margin-top: 5px; }
.rel-section { background: var(--bg-body); }
.rel-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 48px; }
.rel-card { position: relative; border-radius: 22px; overflow: hidden; border: 1px solid var(--border); transition: var(--transition); background: #fff; }
.rel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.rel-card img { width: 100%; height: 200px; object-fit: cover; }
.rel-card .rel-info { padding: 24px 26px; }
.rel-card .rel-info h3 { font-size: 19px; font-weight: 700; color: var(--ink); }
.rel-card .rel-info p { margin-top: 8px; font-size: 14px; color: var(--text-light); line-height: 1.7; }
.rel-card .rel-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; color: var(--gold); font-weight: 600; font-size: 14px; transition: var(--transition); }
.cta-section { background: linear-gradient(135deg, #0b1b3a, #132a55); padding: 80px 0; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center/cover no-repeat; opacity: 0.18; }
.cta-box { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-box h2 { color: #fff; font-size: clamp(28px, 4vw, 42px); font-weight: 800; line-height: 1.25; }
.cta-box p { color: rgba(225,232,245,0.75); margin-top: 14px; font-size: 16px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.site-footer { background: #071020; padding-top: 70px; padding-bottom: 30px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand-logo .logo-text { color: #fff; }
.footer-brand p { margin-top: 18px; color: rgba(200,212,235,0.6); font-size: 14px; line-height: 1.8; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .04em; margin-bottom: 18px; }
.footer-col a { display: block; padding: 6px 0; color: rgba(200,212,235,0.6); font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: var(--gold); padding-left: 6px; }
.footer-copyright { padding-top: 28px; text-align: center; color: rgba(200,212,235,0.4); font-size: 13px; }
.footer-copyright a { color: rgba(200,212,235,0.5); }
.footer-copyright a:hover { color: var(--gold); }
@media (max-width: 1024px) {
  .mod-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu.open { display: flex; flex-direction: column; position: fixed; top: 80px; left: 16px; right: 16px; background: rgba(9,15,32,0.96); border: 1px solid var(--border-dark); border-radius: 24px; padding: 20px; z-index: 99; gap: 8px; -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: var(--shadow-lg); }
  .mobile-menu .nav-link { color: #f0f3fa; padding: 12px 16px; border-radius: 14px; }
  .mobile-menu .nav-link.active { background: linear-gradient(135deg, #e6c87a, #c9a44c); color: #10142a; }
  .page-banner { padding: 140px 0 70px; }
  .scenario-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .rel-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .section-padding { padding: 72px 0; }
  .list-card { padding: 24px; }
}
@media (max-width: 520px) {
  .container-site { padding-left: 16px; padding-right: 16px; }
  .nav-dock { padding: 8px 14px; gap: 10px; }
  .logo-text { font-size: 15px; }
  .logo-mark { width: 32px; height: 32px; font-size: 15px; }
  .nav-actions .btn { display: none; }
  .mod-card { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
}

:root {
  --ink: #0b1b3a;
  --brand: #0d1830;
  --brand-2: #132a55;
  --gold: #c9a44c;
  --gold-soft: #e6c87a;
  --bg-body: #f4f5fa;
  --bg-dark: #081020;
  --text: #182a4b;
  --text-light: #5c6b8a;
  --text-invert: #f2f5fb;
  --border: #dde2ef;
  --border-dark: rgba(255,255,255,0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow: 0 20px 50px rgba(11,27,58,0.08);
  --shadow-lg: 0 30px 80px rgba(8,16,32,0.18);
  --transition: all .3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; color: var(--text); background: var(--bg-body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }
.container-site { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; width: 100%; }
.site-header { position: fixed; top: 18px; left: 0; right: 0; z-index: 100; padding: 0 16px; display: flex; justify-content: center; pointer-events: none; }
.nav-dock { pointer-events: auto; display: flex; align-items: center; justify-content: space-between; width: min(1180px, 100%); padding: 10px 20px; background: rgba(9,15,32,0.78); border: 1px solid rgba(255,255,255,0.14); border-radius: 999px; box-shadow: 0 14px 40px rgba(0,0,0,0.28); -webkit-backdrop-filter: blur(20px) saturate(150%); backdrop-filter: blur(20px) saturate(150%); gap: 20px; }
.brand-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: linear-gradient(135deg, #e6c87a, #c9a44c); color: #10142a; border-radius: 12px; font-weight: 800; font-size: 18px; letter-spacing: .5px; box-shadow: 0 4px 12px rgba(201,164,76,0.35); }
.logo-text { font-size: 18px; font-weight: 700; color: #f0f3fa; letter-spacing: .04em; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link { padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 500; color: rgba(240,243,250,0.78); transition: var(--transition); }
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }
.nav-link.active { color: #10142a; background: linear-gradient(135deg, #e6c87a, #c9a44c); font-weight: 600; box-shadow: 0 4px 16px rgba(201,164,76,0.36); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 12px; color: #fff; background: rgba(255,255,255,0.12); font-size: 18px; align-items: center; justify-content: center; transition: var(--transition); }
.menu-toggle:hover { background: rgba(255,255,255,0.2); }
.mobile-menu { display: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 999px; font-size: 15px; font-weight: 600; letter-spacing: .01em; transition: var(--transition); border: 1px solid transparent; cursor: pointer; white-space: nowrap; }
.btn-gold { background: linear-gradient(135deg, var(--gold-soft), var(--gold)); color: #10142a; box-shadow: 0 8px 24px rgba(201,164,76,0.35); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(201,164,76,0.45); }
.btn-outline { border-color: rgba(255,255,255,0.35); color: #fff; background: rgba(255,255,255,0.08); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn-outline:hover { background: rgba(255,255,255,0.14); transform: translateY(-2px); }
.btn-dark { background: var(--ink); color: #fff; box-shadow: 0 8px 24px rgba(11,27,58,0.2); }
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(11,27,58,0.3); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.article-banner { position: relative; padding: 170px 0 80px; background: linear-gradient(135deg, rgba(7,15,31,0.92), rgba(13,29,58,0.78)), url('/assets/images/backpic/back-3.png') center/cover no-repeat; }
.article-banner-breadcrumb { display: flex; align-items: center; gap: 10px; color: rgba(225,232,245,0.7); font-size: 14px; flex-wrap: wrap; }
.article-banner-breadcrumb a:hover { color: var(--gold); }
.article-banner .article-title { font-size: clamp(30px, 4.5vw, 48px); font-weight: 900; color: #fff; margin-top: 20px; line-height: 1.3; letter-spacing: -0.02em; max-width: 860px; }
.article-banner .article-meta { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 16px 26px; color: rgba(225,232,245,0.7); font-size: 14px; }
.article-banner .article-meta span { display: inline-flex; align-items: center; gap: 8px; }
.article-banner .article-meta i { color: var(--gold); }
.article-body-section { padding: 80px 0 100px; }
.article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 50px; align-items: start; }
.article-main { background: #fff; border-radius: 24px; padding: 44px 46px; border: 1px solid var(--border); box-shadow: 0 8px 30px rgba(11,27,58,0.05); }
.article-body { font-size: 16px; line-height: 1.95; color: var(--text); }
.article-body h2 { font-size: 26px; font-weight: 800; color: var(--ink); margin-top: 32px; margin-bottom: 14px; }
.article-body h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-top: 26px; margin-bottom: 10px; }
.article-body p { margin-bottom: 16px; }
.article-body img { border-radius: 16px; margin: 20px 0; }
.article-body ul { list-style: disc; padding-left: 24px; margin-bottom: 16px; }
.article-body ol { list-style: decimal; padding-left: 24px; margin-bottom: 16px; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote { background: var(--bg-body); border-left: 4px solid var(--gold); padding: 16px 20px; border-radius: 0 12px 12px 0; margin: 20px 0; color: var(--text-light); }
.article-not-found { text-align: center; padding: 70px 30px; }
.article-not-found .icon-circle { width: 72px; height: 72px; margin: 0 auto 24px; border-radius: 50%; background: rgba(201,164,76,0.12); display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 30px; }
.article-not-found h2 { font-size: 28px; font-weight: 800; color: var(--ink); }
.article-not-found p { margin-top: 10px; color: var(--text-light); }
.article-not-found .btn { margin-top: 30px; }
.article-sidebar { display: grid; gap: 26px; position: sticky; top: 110px; }
.sidebar-card { background: #fff; border-radius: 22px; padding: 28px; border: 1px solid var(--border); box-shadow: 0 6px 20px rgba(11,27,58,0.04); }
.sidebar-card h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.sidebar-card h3 i { color: var(--gold); }
.sidebar-card ul { display: grid; gap: 12px; }
.sidebar-card ul li a { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: var(--bg-body); border-radius: 14px; font-size: 14px; color: var(--text); transition: var(--transition); border: 1px solid transparent; }
.sidebar-card ul li a:hover { border-color: rgba(201,164,76,0.3); background: #fff; transform: translateX(4px); }
.sidebar-card ul li a i { color: var(--gold); font-size: 13px; }
.sidebar-cta { background: linear-gradient(135deg, #0b1b3a, #132a55); border: none; text-align: center; }
.sidebar-cta h3 { color: #fff; justify-content: center; }
.sidebar-cta p { color: rgba(225,232,245,0.7); font-size: 14px; margin-bottom: 20px; line-height: 1.7; }
.sidebar-cta .btn { width: 100%; }
.section-padding { padding: 100px 0; }
.section-tag { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; background: rgba(201,164,76,0.14); color: #a38034; border: 1px solid rgba(201,164,76,0.32); border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: .05em; }
.section-title { font-size: clamp(30px, 4vw, 40px); font-weight: 800; color: var(--ink); line-height: 1.2; margin-top: 18px; letter-spacing: -0.02em; }
.section-desc { margin-top: 16px; font-size: 16px; color: var(--text-light); max-width: 640px; line-height: 1.8; }
.cta-section { background: linear-gradient(135deg, #0b1b3a, #132a55); padding: 80px 0; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; opacity: 0.16; }
.cta-box { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-box h2 { color: #fff; font-size: clamp(28px, 4vw, 42px); font-weight: 800; line-height: 1.25; }
.cta-box p { color: rgba(225,232,245,0.75); margin-top: 14px; font-size: 16px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.site-footer { background: #071020; padding-top: 70px; padding-bottom: 30px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand-logo .logo-text { color: #fff; }
.footer-brand p { margin-top: 18px; color: rgba(200,212,235,0.6); font-size: 14px; line-height: 1.8; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .04em; margin-bottom: 18px; }
.footer-col a { display: block; padding: 6px 0; color: rgba(200,212,235,0.6); font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: var(--gold); padding-left: 6px; }
.footer-copyright { padding-top: 28px; text-align: center; color: rgba(200,212,235,0.4); font-size: 13px; }
.footer-copyright a { color: rgba(200,212,235,0.5); }
.footer-copyright a:hover { color: var(--gold); }
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu.open { display: flex; flex-direction: column; position: fixed; top: 80px; left: 16px; right: 16px; background: rgba(9,15,32,0.96); border: 1px solid var(--border-dark); border-radius: 24px; padding: 20px; z-index: 99; gap: 8px; -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: var(--shadow-lg); }
  .mobile-menu .nav-link { color: #f0f3fa; padding: 12px 16px; border-radius: 14px; }
  .mobile-menu .nav-link.active { background: linear-gradient(135deg, #e6c87a, #c9a44c); color: #10142a; }
  .article-banner { padding: 140px 0 60px; }
  .article-body-section { padding: 60px 0 70px; }
  .article-main { padding: 26px 22px; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 520px) {
  .container-site { padding-left: 16px; padding-right: 16px; }
  .nav-dock { padding: 8px 14px; gap: 10px; }
  .logo-text { font-size: 15px; }
  .logo-mark { width: 32px; height: 32px; font-size: 15px; }
  .nav-actions .btn { display: none; }
  .article-banner .article-title { font-size: 26px; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: article */
:root {
    --primary: #13324a;
    --primary-deep: #0b1f2f;
    --primary-soft: #1c4a68;
    --accent: #d4a437;
    --accent-dark: #b8862a;
    --accent-soft: rgba(212, 164, 55, 0.16);
    --bg: #f4f6f8;
    --card-bg: #ffffff;
    --text: #1c2a38;
    --muted: #607080;
    --border: rgba(19, 50, 74, 0.12);
    --white: #ffffff;
    --radius: 18px;
    --radius-lg: 28px;
    --shadow-sm: 0 4px 18px rgba(15, 40, 60, 0.07);
    --shadow-md: 0 14px 44px rgba(15, 40, 60, 0.12);
    --shadow-lg: 0 28px 80px rgba(15, 40, 60, 0.18);
    --font-main: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-main);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

  button {
    font-family: inherit;
    cursor: pointer;
  }

  .container-site {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
  }

  .page-wrap {
    padding-top: 110px;
  }

  /* ===== Floating Dock Navigation ===== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 18px 24px 0;
    pointer-events: none;
  }

  .dock-nav {
    pointer-events: auto;
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 9px 10px 9px 24px;
    border-radius: 60px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow: 0 12px 48px rgba(12, 35, 55, 0.16);
    transition: box-shadow 0.3s ease;
  }

  .dock-nav:hover {
    box-shadow: 0 16px 56px rgba(12, 35, 55, 0.22);
  }

  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(140deg, var(--primary), var(--primary-soft));
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.5px;
    box-shadow: 0 6px 16px rgba(19, 50, 74, 0.28);
  }

  .logo-text {
    font-weight: 800;
    color: var(--primary);
    font-size: 18px;
    letter-spacing: 0.5px;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: #3c4a58;
    transition: all 0.25s ease;
    white-space: nowrap;
  }

  .nav-link:hover {
    background: var(--accent-soft);
    color: var(--accent-dark);
  }

  .nav-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(19, 50, 74, 0.26);
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 24px;
    border-radius: 999px;
    background: linear-gradient(135deg, #e8b64c, #c9962e);
    color: #fff;
    font-weight: 700;
    font-size: 14.5px;
    box-shadow: 0 8px 24px rgba(212, 164, 55, 0.4);
    transition: all 0.28s ease;
    white-space: nowrap;
  }

  .nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(212, 164, 55, 0.5);
  }

  .nav-cta i {
    font-size: 14px;
  }

  /* ===== Article Hero ===== */
  .article-hero {
    position: relative;
    min-height: 430px;
    display: flex;
    align-items: center;
    padding: 120px 0 90px;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    overflow: hidden;
  }

  .article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(8, 22, 36, 0.92) 0%, rgba(12, 35, 55, 0.78) 55%, rgba(18, 42, 62, 0.55) 100%);
  }

  .article-hero .container-site {
    position: relative;
    z-index: 2;
    width: 100%;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 24px;
  }

  .breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.2s ease;
  }

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

  .breadcrumb span {
    color: var(--accent);
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    padding: 8px 18px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
  }

  .hero-kicker i {
    color: var(--accent);
  }

  .article-title {
    font-size: clamp(30px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.3;
    color: #fff;
    max-width: 880px;
    margin: 0 0 24px;
    letter-spacing: 0.5px;
  }

  .hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px 28px;
  }

  .hero-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 14.5px;
  }

  .hero-meta-item i {
    color: var(--accent);
    width: 16px;
  }

  .hero-meta-item .badge {
    background: var(--accent);
    color: #fff;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
  }

  /* ===== Section General ===== */
  .section {
    padding: 90px 0;
  }

  .section-alt {
    background: var(--white);
  }

  .section-head {
    margin-bottom: 44px;
  }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-dark);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: clamp(26px, 3.6vw, 40px);
    font-weight: 800;
    color: var(--primary-deep);
    line-height: 1.3;
    margin: 0;
  }

  .section-sub {
    color: var(--muted);
    font-size: 16px;
    max-width: 640px;
    margin-top: 12px;
  }

  /* ===== Article Main Layout ===== */
  .article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 344px;
    gap: 44px;
    align-items: start;
  }

  .article-main-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 48px 52px;
    overflow: hidden;
  }

  .sidebar-stack {
    display: flex;
    flex-direction: column;
    gap: 28px;
  }

  .side-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 26px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .side-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }

  .side-card-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--primary-deep);
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .side-card-title i {
    color: var(--accent);
  }

  .side-cover {
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 18px;
    position: relative;
  }

  .side-cover img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .side-cover:hover img {
    transform: scale(1.05);
  }

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

  .side-list li {
    padding: 11px 0;
    border-bottom: 1px dashed rgba(19, 50, 74, 0.12);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14.5px;
    color: var(--text);
    transition: color 0.2s ease;
  }

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

  .side-list li i {
    color: var(--accent);
    font-size: 12px;
  }

  .side-list li:hover {
    color: var(--accent-dark);
  }

  .side-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 18px;
    padding: 13px 20px;
    border-radius: 999px;
    background: linear-gradient(135deg, #e8b64c, #c9962e);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 10px 24px rgba(212, 164, 55, 0.35);
    transition: all 0.28s ease;
  }

  .side-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(212, 164, 55, 0.48);
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 999px;
    background: linear-gradient(135deg, #e8b64c, #c9962e);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    border: none;
    box-shadow: 0 10px 26px rgba(212, 164, 55, 0.36);
    transition: all 0.28s ease;
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(212, 164, 55, 0.5);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 999px;
    border: 2px solid var(--primary);
    color: var(--primary);
    font-size: 15px;
    font-weight: 700;
    background: transparent;
    transition: all 0.28s ease;
  }

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

  .btn-primary:focus,
  .btn-outline:focus,
  .nav-link:focus,
  .nav-cta:focus,
  .side-btn:focus {
    outline: 3px solid rgba(212, 164, 55, 0.45);
    outline-offset: 2px;
  }

  /* ===== Article Content Typography ===== */
  .article-content {
    font-size: 16.5px;
    line-height: 1.95;
    color: var(--text);
  }

  .article-content > *:first-child {
    margin-top: 0;
  }

  .article-content h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary-deep);
    margin: 40px 0 16px;
    padding-left: 16px;
    border-left: 4px solid var(--accent);
    line-height: 1.4;
  }

  .article-content h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    margin: 30px 0 12px;
  }

  .article-content p {
    margin: 18px 0;
    color: #33434f;
  }

  .article-content a {
    color: var(--accent-dark);
    font-weight: 600;
    border-bottom: 1px solid rgba(184, 134, 42, 0.35);
    transition: border-color 0.2s;
  }

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

  .article-content ul,
  .article-content ol {
    margin: 18px 0;
    padding-left: 24px;
  }

  .article-content li {
    margin: 8px 0;
  }

  .article-content ul li::marker {
    color: var(--accent);
  }

  .article-content blockquote {
    margin: 24px 0;
    padding: 22px 26px;
    background: var(--accent-soft);
    border-left: 4px solid var(--accent);
    border-radius: 12px;
    color: #3d3d2b;
    font-style: italic;
  }

  .article-content img {
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    margin: 24px auto;
  }

  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 22px 0;
    border-radius: 12px;
    overflow: hidden;
  }

  .article-content th,
  .article-content td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
  }

  .article-content th {
    background: var(--primary);
    color: #fff;
    font-weight: 700;
  }

  .article-content tr:nth-child(even) {
    background: #f8fafb;
  }

  /* ===== Article Footer Meta ===== */
  .article-bottom-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 42px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
  }

  .share-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }

  .share-label {
    font-size: 14px;
    color: var(--muted);
    font-weight: 600;
  }

  .share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg);
    color: var(--primary);
    border: 1px solid var(--border);
    transition: all 0.25s ease;
  }

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

  /* ===== Feature Cards ===== */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .feature-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 34px 28px;
    box-shadow: var(--shadow-sm);
    transition: all 0.32s ease;
    position: relative;
    overflow: hidden;
  }

  .feature-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #f0cb7a);
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
  }

  .feature-card:hover::after {
    opacity: 1;
  }

  .feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 23px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    margin-bottom: 18px;
  }

  .feature-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-deep);
    margin: 0 0 10px;
  }

  .feature-card p {
    font-size: 15px;
    color: var(--muted);
    margin: 0;
    line-height: 1.8;
  }

  /* ===== Info Cards / Data Strip ===== */
  .data-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: var(--primary-deep);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
  }

  .data-strip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 0%, rgba(212, 164, 55, 0.2), transparent 45%);
  }

  .data-item {
    position: relative;
    text-align: center;
    padding: 10px;
  }

  .data-num {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
  }

  .data-num span {
    color: var(--accent);
  }

  .data-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.72);
    margin-top: 8px;
  }

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

  .info-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.32s ease;
  }

  .info-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
  }

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

  .info-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
  }

  .info-card:hover .info-card-img img {
    transform: scale(1.07);
  }

  .info-card-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 30, 45, 0.55), transparent 60%);
  }

  .info-card-tag {
    position: absolute;
    left: 16px;
    bottom: 14px;
    z-index: 2;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 13px;
    border-radius: 999px;
  }

  .info-card-body {
    padding: 22px 24px 26px;
  }

  .info-card-body h3 {
    font-size: 17.5px;
    font-weight: 800;
    color: var(--primary-deep);
    margin: 0 0 10px;
    line-height: 1.5;
  }

  .info-card-body p {
    font-size: 14.5px;
    color: var(--muted);
    margin: 0;
    line-height: 1.75;
  }

  /* ===== FAQ ===== */
  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-md);
  }

  .faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 26px;
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-deep);
    cursor: pointer;
    transition: background 0.2s;
    list-style: none;
  }

  .faq-q::-webkit-details-marker {
    display: none;
  }

  .faq-item[open] .faq-q {
    background: var(--accent-soft);
  }

  .faq-q i {
    color: var(--accent-dark);
    transition: transform 0.3s ease;
    flex-shrink: 0;
  }

  .faq-item[open] .faq-q i {
    transform: rotate(45deg);
  }

  .faq-a {
    padding: 0 26px 22px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.85;
    border-top: 1px solid var(--border);
    background: var(--card-bg);
  }

  .faq-a p {
    margin: 18px 0 0;
  }

  /* ===== CTA ===== */
  .cta-section {
    position: relative;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    padding: 100px 0;
    overflow: hidden;
  }

  .cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(8, 22, 36, 0.94), rgba(11, 35, 55, 0.82));
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
  }

  .cta-inner h2 {
    color: #fff;
    font-size: clamp(27px, 4vw, 42px);
    font-weight: 800;
    margin: 0 0 18px;
    line-height: 1.35;
  }

  .cta-inner p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 16px;
    margin: 0 0 38px;
  }

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

  /* ===== Footer ===== */
  .site-footer {
    background: var(--primary-deep);
    color: rgba(255, 255, 255, 0.72);
    padding: 72px 0 34px;
    border-top: 4px solid var(--accent);
  }

  .footer-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-brand .brand-logo {
    margin-bottom: 16px;
  }

  .footer-brand .logo-text {
    color: #fff;
  }

  .footer-brand .logo-mark {
    background: linear-gradient(140deg, var(--accent), var(--accent-dark));
    color: #fff;
  }

  .footer-brand p {
    font-size: 14.5px;
    line-height: 1.85;
    margin: 0;
    max-width: 360px;
  }

  .footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    margin: 0 0 18px;
  }

  .footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.68);
    font-size: 14.5px;
    padding: 5px 0;
    transition: color 0.2s ease, transform 0.2s ease;
  }

  .footer-col a:hover {
    color: var(--accent);
    transform: translateX(4px);
  }

  .footer-copyright {
    padding-top: 26px;
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
  }

  .footer-copyright a {
    color: var(--accent);
    font-weight: 600;
  }

  .footer-copyright a:hover {
    text-decoration: underline;
  }

  /* ===== Not Found ===== */
  .not-found {
    text-align: center;
    padding: 40px 20px;
  }

  .not-found-icon {
    font-size: 52px;
    color: var(--accent);
    margin-bottom: 16px;
  }

  .not-found h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--primary-deep);
    margin: 0 0 12px;
  }

  .not-found p {
    color: var(--muted);
    font-size: 15px;
    margin: 0 0 28px;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .article-layout {
      grid-template-columns: 1fr;
    }

    .sidebar-stack {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
    }

    .feature-grid,
    .info-card-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .data-strip {
      grid-template-columns: repeat(2, 1fr);
      padding: 40px 32px;
      gap: 32px;
    }
  }

  @media (max-width: 768px) {
    .site-header {
      padding: 14px 14px 0;
    }

    .dock-nav {
      gap: 10px;
      padding: 8px 10px 8px 18px;
      border-radius: 28px;
      flex-wrap: wrap;
    }

    .logo-text {
      font-size: 15px;
    }

    .logo-mark {
      width: 32px;
      height: 32px;
      font-size: 13px;
    }

    .nav-links {
      order: 3;
      width: 100%;
      justify-content: center;
      padding-top: 8px;
      border-top: 1px solid var(--border);
      overflow-x: auto;
    }

    .nav-link {
      padding: 8px 14px;
      font-size: 13.5px;
    }

    .nav-cta {
      padding: 9px 16px;
      font-size: 13.5px;
    }

    .article-hero {
      min-height: 380px;
      padding: 100px 0 70px;
    }

    .section {
      padding: 64px 0;
    }

    .article-main-card {
      padding: 30px 26px;
    }

    .sidebar-stack {
      grid-template-columns: 1fr;
    }

    .feature-grid,
    .info-card-grid,
    .faq-grid,
    .footer-main {
      grid-template-columns: 1fr;
    }

    .cta-section {
      padding: 72px 0;
    }
  }

  @media (max-width: 520px) {
    .container-site {
      padding: 0 18px;
    }

    .dock-nav {
      border-radius: 22px;
    }

    .brand-logo {
      gap: 6px;
    }

    .logo-text {
      font-size: 13.5px;
    }

    .article-title {
      font-size: 26px;
    }

    .hero-meta {
      gap: 10px 16px;
    }

    .article-main-card {
      padding: 24px 18px;
      border-radius: 20px;
    }

    .article-content {
      font-size: 15.5px;
    }

    .article-content h2 {
      font-size: 22px;
    }

    .data-strip {
      grid-template-columns: 1fr 1fr;
      padding: 32px 20px;
      gap: 24px;
    }

    .data-num {
      font-size: 30px;
    }

    .feature-grid,
    .info-card-grid {
      grid-template-columns: 1fr;
    }

    .cta-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .cta-actions .btn-primary,
    .cta-actions .btn-outline {
      width: 100%;
    }

    .btn-outline {
      border-color: rgba(255, 255, 255, 0.8);
      color: #fff;
    }

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

    .article-bottom-meta {
      flex-direction: column;
      align-items: flex-start;
    }

    .footer-main {
      gap: 32px;
    }
  }

/* roulang page: category1 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b5bdb;
            --accent: #d4a853;
            --accent-light: #f0c96a;
            --dark: #0f172a;
            --dark-soft: #1e293b;
            --light: #f8fafc;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 20px;
            --radius-sm: 14px;
            --shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: #f8fafc;
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

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

        /* ===== Header & Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 0 20px;
        }

        .nav-dock {
            max-width: 1180px;
            margin: 0 auto;
            padding: 12px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 100px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            box-shadow: 0 8px 32px rgba(15, 23, 42, 0.1);
            transition: var(--transition);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: linear-gradient(135deg, #1e3a8a, #312e81);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 14px rgba(30, 58, 138, 0.35);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #0f172a;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: #475569;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(30, 58, 138, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(30, 58, 138, 0.1);
            font-weight: 600;
        }

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

        .btn-nav-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            border-radius: 100px;
            background: linear-gradient(135deg, #1e3a8a, #312e81);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(30, 58, 138, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-nav-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(30, 58, 138, 0.4);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: linear-gradient(135deg, #1e3a8a, #312e81);
            color: #fff;
            border: none;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            transform: scale(1.04);
            box-shadow: 0 6px 20px rgba(30, 58, 138, 0.35);
        }

        .mobile-menu {
            display: none;
            max-width: 500px;
            margin: 12px auto 0;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.6);
            padding: 14px;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu-link {
            display: block;
            padding: 13px 18px;
            border-radius: 14px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }

        .mobile-menu-link:hover,
        .mobile-menu-link.active {
            background: rgba(30, 58, 138, 0.08);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 660px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.82), rgba(15, 23, 42, 0.45), rgba(30, 58, 138, 0.55));
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 24px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #f1f5f9;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            backdrop-filter: blur(10px);
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: clamp(36px, 5.6vw, 62px);
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--accent-light);
        }

        .hero-subtitle {
            font-size: clamp(16px, 2vw, 20px);
            color: rgba(241, 245, 249, 0.9);
            line-height: 1.8;
            max-width: 720px;
            margin: 0 auto 36px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 100px;
            background: linear-gradient(135deg, #1e3a8a, #312e81);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 8px 28px rgba(30, 58, 138, 0.4);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(30, 58, 138, 0.5);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.28);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.22);
            transform: translateY(-3px);
        }

        /* ===== Guarantee Bar ===== */
        .guarantee-bar {
            background: #ffffff;
            padding: 36px 0;
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 5;
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            color: var(--dark-soft);
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.04), rgba(212, 168, 83, 0.04));
            border: 1px solid rgba(30, 58, 138, 0.08);
        }

        .guarantee-item i {
            font-size: 20px;
            color: var(--primary);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 96px 0;
        }

        .section-alt {
            background: #f1f5f9;
        }

        .section-dark {
            background: linear-gradient(135deg, #0f172a, #1e2a4a);
            color: #e2e8f0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 100px;
            background: rgba(30, 58, 138, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: clamp(28px, 3.4vw, 38px);
            font-weight: 800;
            color: #0f172a;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 580px;
            margin: 0 auto;
        }

        .section-dark .section-title {
            color: #ffffff;
        }

        .section-dark .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }

        .section-dark .section-subtitle {
            color: rgba(226, 232, 240, 0.7);
        }

        /* ===== Cards ===== */
        .card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 36px 30px;
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
            height: 100%;
        }

        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 48px rgba(15, 23, 42, 0.1);
            border-color: rgba(30, 58, 138, 0.2);
        }

        .card-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.1), rgba(212, 168, 83, 0.1));
            margin-bottom: 24px;
        }

        .card h3 {
            font-size: 20px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 12px;
        }

        .card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

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

        .card-link:hover {
            gap: 10px;
            color: var(--primary-light);
        }

        /* ===== Steps ===== */
        .step-item {
            position: relative;
            padding: 32px 24px;
            border-radius: 24px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            transition: var(--transition);
            height: 100%;
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .step-number {
            font-size: 48px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
        }

        .step-item h4 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: rgba(226, 232, 240, 0.75);
            line-height: 1.7;
        }

        /* ===== Security Box ===== */
        .security-box {
            position: relative;
            border-radius: 32px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .security-box-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        }

        .security-box-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.93), rgba(30, 58, 138, 0.82));
        }

        .security-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 18px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: var(--transition);
        }

        .security-item:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .security-item i {
            font-size: 20px;
            color: var(--accent-light);
            margin-top: 2px;
        }

        .security-item strong {
            display: block;
            color: #f8fafc;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }

        .security-item span {
            color: rgba(226, 232, 240, 0.7);
            font-size: 14px;
            line-height: 1.6;
        }

        /* ===== Cover Cards ===== */
        .cover-card {
            display: block;
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
            height: 100%;
        }

        .cover-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 18px 44px rgba(15, 23, 42, 0.1);
        }

        .cover-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .cover-card-body {
            padding: 20px 22px 24px;
        }

        .cover-card-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: #0f172a;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .cover-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .cover-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .cover-card-meta i {
            color: var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.open {
            border-color: rgba(30, 58, 138, 0.25);
            box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: #0f172a;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(30, 58, 138, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 28px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            transition: var(--transition);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding-bottom: 24px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 110px 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            overflow: hidden;
            text-align: center;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(30, 58, 138, 0.8));
        }

        .cta-section h2 {
            font-size: clamp(28px, 3.6vw, 42px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }

        .cta-section p {
            font-size: 18px;
            color: rgba(241, 245, 249, 0.85);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 100px;
            background: linear-gradient(135deg, #d4a853, #f0c96a);
            color: #0f172a;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 10px 36px rgba(212, 168, 83, 0.4);
            transition: var(--transition);
        }

        .btn-cta:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 16px 48px rgba(212, 168, 83, 0.55);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 76px 0 30px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(148, 163, 184, 0.14);
        }

        .footer-brand p {
            margin-top: 18px;
            font-size: 14px;
            line-height: 1.8;
            color: #94a3b8;
            max-width: 420px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 20px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: #94a3b8;
            line-height: 2.2;
            transition: var(--transition);
        }

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

        .footer-copyright {
            padding-top: 28px;
            text-align: center;
            font-size: 14px;
            color: #64748b;
        }

        .footer-copyright a {
            color: #94a3b8;
            transition: var(--transition);
        }

        .footer-copyright a:hover {
            color: var(--accent-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-main {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

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

            .nav-toggle {
                display: flex;
            }

            .site-header {
                top: 14px;
                padding: 0 14px;
            }

            .nav-dock {
                padding: 10px 14px;
                border-radius: 24px;
            }

            .logo-text {
                font-size: 16px;
            }

            .logo-mark {
                width: 38px;
                height: 38px;
                border-radius: 12px;
                font-size: 13px;
            }

            .hero-section {
                min-height: 580px;
                padding: 110px 0 60px;
            }

            .section {
                padding: 64px 0;
            }

            .card {
                padding: 28px 22px;
            }

            .step-item {
                padding: 26px 20px;
            }

            .cta-section {
                padding: 80px 0;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .faq-item.open .faq-answer {
                padding-bottom: 20px;
            }
        }

        @media (max-width: 520px) {
            .container-site {
                padding: 0 16px;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
                padding: 0 16px;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }

            .guarantee-item {
                flex-direction: column;
                text-align: center;
                padding: 14px;
                font-size: 14px;
            }

            .section-title {
                font-size: 26px;
            }

            .security-box .security-grid {
                grid-template-columns: 1fr;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 20px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #4f46e5;
            --color-primary-light: #6366f1;
            --color-primary-dark: #4338ca;
            --color-accent: #d4a55a;
            --color-dark: #0b1220;
            --color-dark-2: #1e293b;
            --color-light: #f8fafc;
            --color-white: #ffffff;
            --color-text: #334155;
            --color-text-light: #64748b;
            --color-border: #e2e8f0;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
            --shadow-xl: 0 20px 60px rgba(15, 23, 42, 0.14);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--color-light);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header Dock Nav */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 20px;
            pointer-events: none;
        }
        .dock-nav {
            pointer-events: auto;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-full);
            padding: 10px 14px 10px 22px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.65);
            transition: box-shadow 0.3s ease;
        }
        .dock-nav:hover {
            box-shadow: var(--shadow-xl);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            border-radius: 14px;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: -0.2px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
        }
        .nav-link {
            display: inline-block;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(79, 70, 229, 0.07);
        }
        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            background: var(--color-dark);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .btn-nav-cta:hover {
            background: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3);
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: none;
            background: var(--color-light);
            color: var(--color-dark);
            font-size: 16px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
        }
        .menu-toggle:hover {
            background: rgba(79, 70, 229, 0.1);
            color: var(--color-primary);
        }
        /* Hero */
        .hero-section {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding: 140px 24px 80px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 18, 32, 0.92) 0%, rgba(15, 23, 42, 0.78) 55%, rgba(79, 70, 229, 0.45) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 920px;
            text-align: center;
        }
        .hero-tag {
            display: inline-block;
            padding: 7px 20px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }
        .hero-content h1 {
            font-size: clamp(42px, 7vw, 72px);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-content h1 .text-gradient {
            background: linear-gradient(120deg, #fff 30%, #a5b4fc 70%, #d4a55a 95%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 640px;
            margin: 0 auto 36px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(79, 70, 229, 0.45);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 30px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.1);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
            letter-spacing: 1px;
        }
        /* Section */
        .section {
            padding: 96px 0;
        }
        .section-light {
            background: var(--color-white);
        }
        .section-dark {
            background: var(--color-dark);
            color: #fff;
        }
        .section-muted {
            background: var(--color-light);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 64px;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            background: rgba(79, 70, 229, 0.1);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: clamp(30px, 4vw, 40px);
            font-weight: 800;
            color: var(--color-dark);
            line-height: 1.3;
            letter-spacing: -0.5px;
        }
        .section-dark .section-head h2 {
            color: #fff;
        }
        .section-head p {
            font-size: 16px;
            color: var(--color-text-light);
            margin-top: 14px;
            line-height: 1.8;
        }
        .section-dark .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }
        /* Cards */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(79, 70, 229, 0.2);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 22px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(79, 70, 229, 0.06));
            color: var(--color-primary);
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14.5px;
            color: var(--color-text-light);
            line-height: 1.75;
        }
        /* Tutorial card */
        .tutorial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: var(--shadow-sm);
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .tutorial-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: rgba(79, 70, 229, 0.15);
        }
        .tutorial-card-cover {
            position: relative;
            height: 210px;
            overflow: hidden;
        }
        .tutorial-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .tutorial-card:hover .tutorial-card-cover img {
            transform: scale(1.06);
        }
        .tutorial-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 18, 32, 0.45), transparent 60%);
        }
        .tutorial-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.92);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-sm);
        }
        .tutorial-card-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tutorial-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 8px;
        }
        .tutorial-card-body p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.75;
            flex: 1;
        }
        .tutorial-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid rgba(226, 232, 240, 0.7);
        }
        .tutorial-card-meta .tag {
            font-size: 12px;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .tutorial-card-meta .link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .tutorial-card-meta .link:hover {
            gap: 10px;
            color: var(--color-primary-dark);
        }
        /* Flow */
        .flow-section {
            background: var(--color-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .flow-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.3), transparent 70%);
            border-radius: 50%;
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
            z-index: 2;
        }
        .flow-step {
            text-align: center;
            position: relative;
            padding: 28px 12px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
            backdrop-filter: blur(8px);
        }
        .flow-step:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }
        .flow-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(79, 70, 229, 0.4);
        }
        .flow-step h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }
        .flow-arrow {
            position: absolute;
            top: 40%;
            right: -18px;
            color: rgba(255, 255, 255, 0.3);
            font-size: 16px;
            z-index: 3;
        }
        /* Stat cards */
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 38px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 14px;
            color: var(--color-text-light);
            margin-top: 8px;
        }
        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: var(--shadow-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 22px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-family: inherit;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-dark);
            transition: all 0.25s ease;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(79, 70, 229, 0.1);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform 0.35s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer p {
            padding: 0 28px 24px;
            font-size: 14.5px;
            color: var(--color-text-light);
            line-height: 1.8;
            border-top: 1px solid rgba(226, 232, 240, 0.5);
            padding-top: 18px;
            margin: 0 28px 0;
            padding-left: 0;
            padding-right: 0;
        }
        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, var(--color-dark) 0%, #1e1b4b 100%);
            border-radius: 32px;
            padding: 72px 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.5), transparent 70%);
            border-radius: 50%;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(212, 165, 90, 0.25), transparent 70%);
            border-radius: 50%;
        }
        .cta-box h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
        }
        .cta-box .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 16px;
            padding: 15px 36px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
        }
        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 72px 0 0;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            padding: 5px 0;
            color: rgba(255, 255, 255, 0.6);
            transition: all 0.25s ease;
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-copyright {
            padding: 28px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 0;
        }
        .footer-copyright a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: underline;
        }
        .footer-copyright a:hover {
            color: #fff;
        }
        /* Mobile responsive */
        @media (max-width: 1024px) {
            .flow-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .flow-step:nth-child(n+4) {
                margin-top: 16px;
            }
            .flow-arrow {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 72px 0;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(20px);
                border-radius: 24px;
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                box-shadow: var(--shadow-xl);
                border: 1px solid rgba(226, 232, 240, 0.5);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 20px;
                border-radius: 14px;
                text-align: center;
                font-size: 15px;
            }
            .menu-toggle {
                display: flex;
            }
            .btn-nav-cta span {
                display: none;
            }
            .btn-nav-cta {
                padding: 10px 14px;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-section {
                min-height: 520px;
                padding: 120px 20px 60px;
            }
            .hero-content h1 {
                font-size: 38px;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
            }
            .cta-box {
                padding: 48px 28px;
                border-radius: 24px;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 56px 0;
            }
            .container-site {
                padding: 0 16px;
            }
            .dock-nav {
                padding: 8px 8px 8px 14px;
                border-radius: 20px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                border-radius: 12px;
                font-size: 12px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-content p {
                font-size: 15px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .num {
                font-size: 24px;
            }
            .hero-stat .label {
                font-size: 11px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 14px;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .flow-step:nth-child(n+2) {
                margin-top: 0;
            }
            .cta-box h2 {
                font-size: 26px;
            }
            .footer-brand .logo-text {
                font-size: 18px;
            }
        }
        @media (min-width: 769px) and (max-width: 900px) {
            .nav-link {
                padding: 8px 13px;
                font-size: 13px;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
        }