/* roulang page: index */
:root {
  --gold: #C9A063;
  --gold-dark: #B8904F;
  --gold-light: #D4B078;
  --dark: #0E141B;
  --dark-card: #18212B;
  --teal: #2DD4BF;
  --gray-blue: #6B7B8D;
  --bg: #F7F5F1;
  --text: #222222;
  --text-light: #666666;
  --text-muted: #999999;
  --border: rgba(0, 0, 0, 0.08);
  --white: #FFFFFF;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(14, 20, 27, 0.05);
  --shadow-hover: 0 12px 40px rgba(14, 20, 27, 0.10);
  --transition: all 0.2s ease-out;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--text); background: var(--bg); line-height: 1.8; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

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

/* ===== Topbar ===== */
.topbar { background: var(--dark); height: 36px; display: flex; align-items: center; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; }
.topbar-text { color: rgba(255, 255, 255, 0.55); font-size: 12px; }
.topbar-links { display: flex; gap: 24px; }
.topbar-links a { color: rgba(255, 255, 255, 0.55); font-size: 12px; }
.topbar-links a:hover { color: var(--gold); }

/* ===== Header / Nav ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.97); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand-logo { font-size: 24px; font-weight: 700; color: var(--text); letter-spacing: 0.5px; }
.brand-logo span { color: var(--gold); }
.main-nav { display: flex; gap: 40px; align-items: center; }
.main-nav a { font-size: 15px; color: #222; position: relative; padding: 6px 2px; }
.main-nav a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 20px; height: 2px; background: var(--gold); opacity: 0; transition: all 0.25s ease-out; }
.main-nav a:hover::after { width: 40px; opacity: 1; }
.main-nav a.active { color: var(--gold-dark); background: rgba(230, 190, 120, 0.12); border-radius: 999px; padding: 8px 16px; }
.main-nav a.active::after { display: none; }
.main-nav a:hover { color: var(--gold-dark); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.btn-fav { font-size: 13px; color: var(--text); border: 1px solid rgba(0, 0, 0, 0.15); border-radius: 999px; padding: 8px 20px; transition: var(--transition); }
.btn-fav:hover { border-color: var(--gold); color: var(--gold-dark); }
.btn-arrow { width: 36px; height: 36px; border-radius: 10px; border: 1px solid rgba(0, 0, 0, 0.15); display: flex; align-items: center; justify-content: center; color: var(--gold-dark); font-size: 16px; transition: var(--transition); }
.btn-arrow:hover { background: var(--gold); color: var(--white); border-color: var(--gold); }
.mobile-menu-btn { display: none; font-size: 15px; color: var(--text); background: none; border: 1px solid rgba(0, 0, 0, 0.15); border-radius: 999px; padding: 8px 18px; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 780px; display: flex; align-items: center; background: url('/assets/images/backpic/back-1.png') center / cover no-repeat; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(10, 14, 22, 0.85) 0%, rgba(10, 14, 22, 0.4) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 720px; padding-top: 40px; }
.hero-kicker { display: inline-flex; align-items: center; gap: 12px; color: var(--gold); font-size: 13px; letter-spacing: 2px; margin-bottom: 24px; }
.hero-kicker::before { content: ''; width: 1px; height: 18px; background: var(--gold); }
.hero h1 { font-size: 44px; line-height: 1.3; color: var(--white); font-weight: 700; margin-bottom: 20px; }
.hero-subtitle { font-size: 18px; color: rgba(255, 255, 255, 0.8); line-height: 1.8; margin-bottom: 40px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #D4B078 0%, #B8904F 100%); color: #1A1A1A; font-size: 15px; font-weight: 600; height: 48px; padding: 0 32px; border-radius: 999px; border: none; transition: var(--transition); }
.btn-primary:hover { filter: brightness(1.05); box-shadow: 0 8px 24px rgba(201, 160, 99, 0.3); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.97); }
.btn-ghost { display: inline-flex; align-items: center; justify-content: center; background: transparent; color: var(--white); font-size: 15px; font-weight: 500; height: 48px; padding: 0 32px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.6); transition: var(--transition); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.hero-badges { position: absolute; right: 40px; bottom: 60px; z-index: 2; display: flex; flex-direction: column; gap: 16px; }
.badge-item { background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 12px; padding: 16px 24px; text-align: center; backdrop-filter: blur(8px); min-width: 120px; }
.badge-num { display: block; font-family: var(--font-num); font-size: 28px; font-weight: 700; color: var(--gold); line-height: 1.2; }
.badge-label { display: block; font-size: 12px; color: rgba(255, 255, 255, 0.7); margin-top: 4px; }

/* ===== Section spacing ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--white); }
.section-header { margin-bottom: 48px; }
.section-header .section-label { font-size: 13px; color: var(--gold-dark); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.section-header h2 { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1.4; margin-bottom: 12px; }
.section-header p { font-size: 16px; color: var(--text-light); max-width: 640px; }

/* ===== Collection Directory ===== */
.directory-section { background: var(--bg); }
.directory-grid { display: flex; gap: 48px; align-items: stretch; }
.directory-list { flex: 1.2; }
.directory-item { display: flex; align-items: center; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--border); transition: var(--transition); }
.directory-item:last-child { border-bottom: none; }
.directory-item:hover { transform: translateX(4px); }
.directory-num { font-family: var(--font-num); font-size: 14px; color: var(--gray-blue); min-width: 32px; transition: var(--transition); }
.directory-item:hover .directory-num { color: var(--gold); }
.directory-name { font-size: 17px; font-weight: 600; color: var(--text); flex: 1; transition: var(--transition); }
.directory-item:hover .directory-name { font-weight: 700; color: var(--text); }
.directory-count { font-size: 12px; color: var(--gray-blue); background: rgba(0, 0, 0, 0.04); border-radius: 999px; padding: 4px 14px; }
.directory-arrow { color: var(--gray-blue); font-size: 18px; transition: var(--transition); }
.directory-item:hover .directory-arrow { color: var(--gold); transform: translateX(4px); }
.directory-panel { flex: 0.8; background: var(--dark); border-radius: 20px; padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.directory-panel p { color: rgba(255, 255, 255, 0.8); font-size: 15px; line-height: 1.9; margin-bottom: 24px; }
.directory-panel .gold-line { width: 40px; height: 2px; background: var(--gold); margin-bottom: 24px; }
.directory-panel a { color: var(--gold); font-size: 14px; font-weight: 500; }
.directory-panel a:hover { text-decoration: underline; }

/* ===== Featured Cards ===== */
.featured-cards .featured-card { display: flex; background: var(--white); border-radius: 16px; border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 40px; transition: var(--transition); }
.featured-cards .featured-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.featured-card .card-image { flex: 1; overflow: hidden; }
.featured-card .card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.25s ease-out; }
.featured-card:hover .card-image img { transform: scale(1.03); }
.featured-card .card-body { flex: 1; padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.featured-card:nth-child(2) .card-image { order: 2; }
.featured-card .card-tag { font-size: 12px; color: var(--gold-dark); letter-spacing: 1px; margin-bottom: 12px; }
.featured-card h3 { font-size: 22px; font-weight: 700; line-height: 1.5; margin-bottom: 16px; color: var(--text); }
.featured-card h3 a:hover { color: var(--gold-dark); }
.featured-card .card-summary { font-size: 15px; color: var(--text-light); line-height: 1.8; margin-bottom: 20px; }
.featured-card .card-meta { display: flex; gap: 20px; font-size: 12px; color: var(--gray-blue); margin-bottom: 20px; }
.featured-card .card-link { color: var(--gold-dark); font-size: 14px; font-weight: 500; }
.featured-card .card-link:hover { text-decoration: underline; }

/* ===== News List ===== */
.news-section { background: var(--white); }
.news-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 40px; }
.news-header h2 { font-size: 28px; font-weight: 700; }
.news-viewall { color: var(--gold-dark); font-size: 14px; font-weight: 500; }
.news-viewall:hover { text-decoration: underline; }
.news-list .news-item { display: flex; align-items: center; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--border); transition: var(--transition); }
.news-list .news-item:last-child { border-bottom: none; }
.news-list .news-item:hover { background: rgba(247, 245, 241, 0.6); }
.news-date { background: var(--dark); border-radius: 10px; padding: 10px 16px; text-align: center; min-width: 60px; }
.news-month { display: block; font-family: var(--font-num); font-size: 12px; color: var(--gold); line-height: 1.2; }
.news-day { display: block; font-family: var(--font-num); font-size: 22px; color: var(--white); font-weight: 700; line-height: 1.2; }
.news-main { flex: 1; min-width: 0; }
.news-title { font-size: 16px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: var(--transition); }
.news-title a:hover { color: var(--gold-dark); }
.news-summary { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-category { font-size: 12px; color: var(--text-light); border: 1px solid rgba(0, 0, 0, 0.15); border-radius: 999px; padding: 4px 14px; white-space: nowrap; }
.news-empty { text-align: center; border: 2px dashed rgba(0, 0, 0, 0.1); border-radius: 16px; padding: 60px 20px; background: rgba(0, 0, 0, 0.02); }
.news-empty .empty-icon { font-size: 32px; color: rgba(0, 0, 0, 0.15); margin-bottom: 12px; }
.news-empty p { color: var(--text-muted); font-size: 14px; }

/* ===== Recommendations ===== */
.recommend-section { background: var(--bg); }
.recommend-cards { display: flex; gap: 32px; }
.recommend-card { flex: 1; background: var(--white); border-radius: 16px; border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; transition: var(--transition); }
.recommend-card:hover { box-shadow: var(--shadow-hover); }
.recommend-card .rec-image { overflow: hidden; }
.recommend-card .rec-image img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 0.25s ease-out; }
.recommend-card:hover .rec-image img { transform: scale(1.03); }
.recommend-card .rec-body { padding: 24px; }
.rec-tag { font-size: 12px; color: var(--gold-dark); margin-bottom: 8px; display: block; }
.rec-title { font-size: 16px; font-weight: 600; color: var(--text); line-height: 1.5; margin-bottom: 8px; }
.rec-title a:hover { color: var(--gold-dark); }
.rec-summary { font-size: 13px; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rec-footer { border-top: 1px solid var(--border); padding-top: 12px; display: flex; justify-content: space-between; font-size: 12px; color: var(--gray-blue); }
.recommend-cards .recommend-card:nth-child(2) { margin-top: -20px; }

/* ===== FAQ ===== */
.faq-section { background: var(--white); }
.faq-left h2 { font-size: 28px; font-weight: 700; margin-bottom: 16px; }
.faq-left p { font-size: 15px; color: var(--text-light); line-height: 1.8; margin-bottom: 24px; }
.faq-left a { color: var(--gold-dark); font-size: 14px; font-weight: 500; }
.faq-left a:hover { text-decoration: underline; }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-question { display: flex; align-items: center; gap: 16px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text); transition: var(--transition); }
.faq-question:hover { color: var(--gold-dark); }
.faq-icon { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, 0.2); font-size: 14px; color: var(--gold-dark); flex-shrink: 0; transition: var(--transition); }
.faq-item.open .faq-icon { background: var(--gold); color: var(--white); transform: rotate(45deg); border-color: var(--gold); }
.faq-answer { display: none; padding-left: 38px; padding-top: 12px; font-size: 14px; color: var(--text-light); line-height: 1.8; }
.faq-item.open .faq-answer { display: block; animation: fadeIn 0.25s ease-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ===== CTA ===== */
.cta-section { background: var(--bg); }
.cta-card { background: linear-gradient(135deg, #0E141B 0%, #1A2430 100%); border-radius: 20px; padding: 48px 60px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-brand { font-size: 32px; font-weight: 700; color: var(--white); white-space: nowrap; }
.cta-brand span { color: var(--gold); }
.cta-text { color: rgba(255, 255, 255, 0.8); font-size: 15px; flex: 1; }
.cta-buttons { display: flex; gap: 16px; }
.cta-buttons .btn-primary { white-space: nowrap; }
.btn-outline-light { display: inline-flex; align-items: center; justify-content: center; background: transparent; color: var(--white); font-size: 14px; height: 48px; padding: 0 28px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.6); transition: var(--transition); white-space: nowrap; }
.btn-outline-light:hover { border-color: var(--gold); color: var(--gold); }

/* ===== Footer ===== */
.site-footer { background: var(--dark); padding: 80px 0 0; }
.footer-grid { display: flex; gap: 60px; padding-bottom: 60px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.footer-brand { flex: 1.4; }
.footer-brand .brand-logo { color: var(--white); font-size: 22px; }
.footer-brand .brand-logo span { color: var(--gold); }
.footer-desc { font-size: 13px; color: #8B96A4; line-height: 1.8; margin-top: 16px; max-width: 320px; }
.footer-col { flex: 1; }
.footer-col h4 { font-size: 14px; color: var(--white); font-weight: 600; margin-bottom: 20px; }
.footer-col a { display: block; font-size: 13px; color: #8B96A4; padding: 6px 0; transition: var(--transition); position: relative; }
.footer-col a:hover { color: var(--white); }
.footer-col a:hover::after { content: ''; position: absolute; left: 0; bottom: 2px; width: 20px; height: 1px; background: var(--gold); }
.footer-bottom { padding: 24px 0; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: rgba(255, 255, 255, 0.5); flex-wrap: wrap; gap: 12px; }

/* ===== Mobile Menu ===== */
.mobile-menu-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--white); z-index: 200; padding: 32px 24px; display: none; flex-direction: column; }
.mobile-menu-overlay.active { display: flex; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.mobile-menu-close { font-size: 14px; color: var(--text); border: 1px solid rgba(0, 0, 0, 0.15); border-radius: 999px; padding: 8px 18px; background: none; }
.mobile-menu-overlay a.mobile-nav-link { font-size: 20px; font-weight: 600; color: var(--text); padding: 18px 0; border-bottom: 1px solid var(--border); display: block; }
.mobile-menu-overlay a.mobile-nav-link:hover { color: var(--gold-dark); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero { min-height: 700px; }
  .hero h1 { font-size: 36px; }
  .directory-grid { flex-direction: column; gap: 32px; }
  .featured-card .card-body { padding: 28px; }
  .recommend-cards { flex-wrap: wrap; gap: 24px; }
  .recommend-card { flex: 0 0 calc(50% - 12px); }
  .recommend-cards .recommend-card:nth-child(2) { margin-top: 0; }
  .cta-card { flex-direction: column; text-align: center; padding: 40px 32px; }
  .cta-brand { font-size: 26px; }
  .footer-grid { flex-wrap: wrap; gap: 40px; }
  .footer-brand { flex: 0 0 100%; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .topbar-text { display: none; }
  .topbar .container { justify-content: center; }
  .main-nav { display: none; }
  .mobile-menu-btn { display: inline-block; }
  .header-actions .btn-fav { display: none; }
  .hero { min-height: 580px; padding: 80px 0; }
  .hero h1 { font-size: 28px; line-height: 1.35; }
  .hero-subtitle { font-size: 16px; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons a { width: 100%; }
  .hero-badges { position: static; flex-direction: row; margin-top: 40px; overflow-x: auto; padding-bottom: 8px; }
  .badge-item { min-width: 100px; flex-shrink: 0; }
  .section { padding: 64px 0; }
  .directory-item { gap: 16px; padding: 20px 0; }
  .directory-name { font-size: 15px; }
  .directory-panel { padding: 28px; }
  .featured-card { flex-direction: column; }
  .featured-card:nth-child(2) .card-image { order: 0; }
  .featured-card .card-image img { aspect-ratio: 16 / 9; object-fit: cover; }
  .featured-card .card-body { padding: 24px; }
  .featured-card h3 { font-size: 18px; }
  .news-header { flex-direction: column; gap: 8px; margin-bottom: 24px; }
  .news-item { flex-wrap: wrap; gap: 12px; }
  .news-date { padding: 6px 12px; min-width: 48px; }
  .news-day { font-size: 18px; }
  .news-main { flex: 0 0 100%; order: 3; }
  .news-title { white-space: normal; }
  .recommend-card { flex: 0 0 100%; }
  .faq-question { font-size: 15px; }
  .cta-card { padding: 32px 24px; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons a { width: 100%; }
  .footer-grid { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root {
  --gold: #C9A063;
  --gold-dark: #B8904F;
  --gold-light: #D4B078;
  --ink: #0E141B;
  --ink-2: #18212B;
  --paper: #F7F5F1;
  --text: #222222;
  --text-light: #6B7B8D;
  --text-weak: #8B96A4;
  --line: rgba(0,0,0,0.08);
  --line-light: rgba(0,0,0,0.06);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 4px 20px rgba(14,20,27,0.05);
  --shadow-hover: 0 12px 40px rgba(14,20,27,0.10);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-cn);
  background: var(--paper);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease-out, background 0.2s ease-out, border-color 0.2s ease-out, box-shadow 0.2s ease-out, transform 0.2s ease-out; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
/* ========== Header / Nav ========== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96); backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--line-light); }
.top-strip { height: 36px; background: var(--ink); color: rgba(255,255,255,0.55); font-size: 12px; display: flex; align-items: center; }
.top-strip-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.top-strip-links { display: flex; gap: 24px; }
.top-strip-links a { color: rgba(255,255,255,0.55); transition: color 0.2s ease-out; }
.top-strip-links a:hover { color: var(--gold-light); }
.nav-wrap { border-bottom: 1px solid var(--line-light); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand-logo { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: 0.02em; white-space: nowrap; }
.brand-logo span { color: var(--gold-dark); font-weight: 800; }
.main-nav { display: flex; align-items: center; gap: 40px; }
.main-nav a { font-size: 15px; color: #333; position: relative; padding: 6px 2px; font-weight: 500; }
.main-nav a::after { content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background: var(--gold); border-radius: 2px; transition: width 0.25s ease-out; }
.main-nav a:hover { color: var(--gold-dark); }
.main-nav a:hover::after { width: 40px; }
.main-nav a.active { color: var(--gold-dark); background: rgba(200,170,110,0.12); border-radius: 999px; padding: 8px 16px; }
.main-nav a.active::after { display: none; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.collect-btn { height: 38px; padding: 0 20px; border: 1px solid rgba(0,0,0,0.12); border-radius: 999px; font-size: 13px; color: #555; display: inline-flex; align-items: center; gap: 6px; background: transparent; transition: all 0.2s ease-out; }
.collect-btn:hover { border-color: var(--gold); color: var(--gold-dark); box-shadow: 0 4px 16px rgba(201,160,99,0.15); }
.arrow-btn { width: 38px; height: 38px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.12); display: inline-flex; align-items: center; justify-content: center; color: var(--ink); font-size: 16px; transition: all 0.2s ease-out; background: linear-gradient(135deg, var(--gold-light), var(--gold-dark)); border-color: transparent; }
.arrow-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,160,99,0.3); }
.menu-toggle { display: none; height: 38px; padding: 0 18px; border: 1px solid rgba(0,0,0,0.12); border-radius: 999px; background: transparent; font-size: 14px; color: #333; }
.menu-toggle:hover { border-color: var(--gold); color: var(--gold-dark); }
/* ========== Breadcrumb ========== */
.breadcrumb-bar { background: #fff; border-bottom: 1px solid var(--line-light); }
.breadcrumb-inner { display: flex; justify-content: space-between; align-items: center; height: 56px; font-size: 13px; color: var(--text-weak); }
.breadcrumb-links { display: flex; align-items: center; gap: 8px; min-width: 0; }
.breadcrumb-links a { color: var(--text-weak); transition: color 0.2s ease-out; }
.breadcrumb-links a:hover { color: var(--gold-dark); }
.breadcrumb-links .sep { color: #ccc; }
.breadcrumb-links .crumb-title { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #999; }
.breadcrumb-date { color: var(--text-weak); font-size: 13px; white-space: nowrap; }
/* ========== Article ========== */
.article-main { padding: 60px 0 20px; }
.article-wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.article-header { text-align: center; margin-bottom: 40px; }
.article-cat { display: inline-block; font-size: 13px; color: var(--gold-dark); font-weight: 600; letter-spacing: 0.08em; padding: 4px 16px; border: 1px solid rgba(201,160,99,0.35); border-radius: 999px; margin-bottom: 20px; background: rgba(201,160,99,0.06); }
.article-header h1 { font-size: 36px; line-height: 1.3; font-weight: 700; margin: 0 0 16px; color: var(--text); letter-spacing: 0.02em; }
.article-desc { font-size: 18px; color: #555; line-height: 1.7; margin: 0 0 24px; }
.article-meta { display: flex; justify-content: center; align-items: center; gap: 8px; font-size: 14px; color: var(--text-weak); flex-wrap: wrap; }
.article-meta .meta-dot { color: #ccc; }
.article-body { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.article-body p { margin: 0 0 1.5em; line-height: 1.8; }
.article-body h3 { font-size: 22px; font-weight: 700; margin: 2em 0 1em; color: var(--text); line-height: 1.4; }
.article-body h4 { font-size: 18px; font-weight: 600; margin: 1.8em 0 0.8em; color: var(--text); }
.article-body a { color: var(--gold-dark); text-decoration: underline; text-underline-offset: 4px; }
.article-body a:hover { color: #9A7436; }
.article-body img { border-radius: var(--radius-sm); margin: 1.5em 0; }
.article-body blockquote { border-left: 3px solid var(--gold); background: #f0ede8; padding: 16px 24px; margin: 0 0 1.5em; color: #555; border-radius: 0 8px 8px 0; }
.article-body ul, .article-body ol { padding-left: 1.5em; margin: 0 0 1.5em; }
.article-body li { margin-bottom: 0.5em; }
.article-body table { width: 100%; border-collapse: collapse; margin: 0 0 1.5em; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.article-body th { background: #f0ede8; font-weight: 600; }
.not-found-box { text-align: center; padding: 60px 24px; background: rgba(0,0,0,0.02); border: 1px dashed rgba(0,0,0,0.12); border-radius: var(--radius-lg); }
.not-found-box p { font-size: 18px; color: #666; margin: 0 0 16px; }
.not-found-box a { display: inline-block; padding: 10px 28px; border-radius: 999px; border: 1px solid rgba(0,0,0,0.15); font-size: 14px; color: var(--text); transition: all 0.2s ease-out; }
.not-found-box a:hover { border-color: var(--gold); color: var(--gold-dark); }
/* ========== Article Pagination ========== */
.article-pagination { max-width: 760px; margin: 60px auto 0; padding: 0 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.page-link { display: block; padding: 20px 24px; background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius-md); transition: all 0.25s ease-out; }
.page-link:hover { border-color: var(--gold); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.page-link .page-label { font-size: 12px; color: var(--text-weak); letter-spacing: 0.06em; text-transform: uppercase; }
.page-link .page-title { display: block; font-size: 15px; font-weight: 600; color: var(--text); margin-top: 6px; }
.page-link.next { text-align: right; }
/* ========== Related Section ========== */
.related-section { padding: 100px 0 60px; }
.section-head { margin-bottom: 48px; }
.section-head h2 { font-size: 28px; font-weight: 700; color: var(--text); position: relative; display: inline-block; }
.section-head h2::before { content: ""; position: absolute; left: 0; bottom: -8px; width: 36px; height: 2px; background: var(--gold); border-radius: 2px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.related-card { background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--line-light); box-shadow: var(--shadow-card); transition: all 0.25s ease-out; display: block; }
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(201,160,99,0.2); }
.related-card .related-img { aspect-ratio: 16/9; overflow: hidden; background: #eee; }
.related-card .related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease-out; }
.related-card:hover .related-img img { transform: scale(1.04); }
.related-card .related-body { padding: 24px; }
.card-tag { display: inline-block; font-size: 12px; color: var(--gold-dark); font-weight: 600; letter-spacing: 0.06em; padding: 3px 12px; border: 1px solid rgba(201,160,99,0.3); border-radius: 999px; margin-bottom: 12px; }
.related-card h3 { font-size: 18px; font-weight: 600; margin: 0 0 8px; color: var(--text); line-height: 1.4; transition: color 0.2s ease-out; }
.related-card:hover h3 { color: var(--gold-dark); }
.related-card p { font-size: 14px; color: #666; line-height: 1.6; margin: 0 0 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-meta { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-weak); border-top: 1px solid var(--line-light); padding-top: 14px; }
/* ========== Back Section ========== */
.back-section { padding: 20px 0 100px; text-align: center; }
.back-btn { display: inline-block; height: 48px; line-height: 48px; padding: 0 36px; border: 1px solid rgba(0,0,0,0.15); border-radius: 999px; font-size: 15px; color: var(--text); transition: all 0.25s ease-out; }
.back-btn:hover { border-color: var(--gold); background: linear-gradient(135deg, var(--gold-light), var(--gold-dark)); color: #fff; box-shadow: 0 8px 24px rgba(201,160,99,0.3); }
/* ========== Footer ========== */
.site-footer { background: var(--ink); color: var(--text-weak); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand-logo { color: #fff; font-size: 20px; margin-bottom: 16px; display: inline-block; }
.footer-brand .brand-logo span { color: var(--gold-light); }
.footer-desc { font-size: 13px; line-height: 1.7; color: #8B96A4; margin: 0; max-width: 300px; }
.footer-col h4 { font-size: 14px; color: #fff; font-weight: 600; margin: 0 0 16px; letter-spacing: 0.04em; }
.footer-col a { display: block; font-size: 13px; color: #8B96A4; padding: 4px 0; transition: color 0.2s ease-out; }
.footer-col a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--gold); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 12px; color: rgba(255,255,255,0.5); flex-wrap: wrap; gap: 8px; }
/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .main-nav { gap: 24px; }
  .nav-inner { height: 70px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .related-card:nth-child(3) { grid-column: span 2; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .top-strip-inner { font-size: 11px; }
  .top-strip-links { gap: 12px; }
  .nav-inner { height: 64px; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px 24px 28px; gap: 0; border-bottom: 1px solid var(--line-light); box-shadow: 0 12px 40px rgba(14,20,27,0.1); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--line-light); font-size: 15px; }
  .main-nav a::after { display: none; }
  .menu-toggle { display: inline-flex; }
  .collect-btn { display: none; }
  .arrow-btn { width: 38px; height: 38px; }
  .breadcrumb-inner { height: auto; flex-direction: column; padding: 12px 0; gap: 4px; }
  .breadcrumb-links { font-size: 12px; }
  .breadcrumb-links .crumb-title { max-width: 180px; }
  .article-header h1 { font-size: 28px; }
  .article-desc { font-size: 16px; }
  .article-main { padding: 40px 0 20px; }
  .related-section { padding: 64px 0 40px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-card:nth-child(3) { grid-column: span 1; }
  .article-pagination { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .back-section { padding: 20px 0 64px; }
}

/* roulang page: category1 */
:root {
            --gold: #C9A063;
            --gold-dark: #B8904F;
            --gold-light: #D4B078;
            --gold-soft: rgba(200, 170, 110, 0.12);
            --dark: #0E141B;
            --dark-2: #18212B;
            --cyan: #2DD4BF;
            --gray-blue: #6B7B8D;
            --bg: #F7F5F1;
            --text-main: #222222;
            --text-sub: #555555;
            --border: rgba(0, 0, 0, 0.08);
            --white-border: rgba(255, 255, 255, 0.1);
            --radius-xl: 20px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(14, 20, 27, 0.05);
            --shadow-hover: 0 12px 40px rgba(14, 20, 27, 0.10);
            --transition: all 0.2s ease-out;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }

        input,
        select {
            font-family: inherit;
            outline: none;
        }

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

        /* ===== 顶部信息条 ===== */
        .top-info {
            height: 36px;
            background: var(--dark);
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
            display: flex;
            align-items: center;
        }

        .top-info .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .top-links {
            display: flex;
            gap: 24px;
        }

        .top-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .top-links a:hover {
            color: var(--gold-light);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 245, 241, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 32px;
        }

        .brand-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
        }

        .brand-logo span {
            color: var(--gold-dark);
            font-weight: 800;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 40px;
            margin: 0 auto;
        }

        .main-nav a {
            font-size: 15px;
            color: var(--text-main);
            padding: 8px 4px;
            position: relative;
            letter-spacing: 0.01em;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: width 0.25s ease-out;
        }

        .main-nav a:hover {
            color: var(--gold-dark);
        }

        .main-nav a:hover::after {
            width: 40px;
        }

        .main-nav a.active {
            background: var(--gold-soft);
            color: var(--gold-dark);
            border-radius: var(--radius-pill);
            padding: 8px 20px;
        }

        .main-nav a.active::after {
            display: none;
        }

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

        .btn-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            background: #fff;
            transition: var(--transition);
        }

        .btn-icon:hover {
            border-color: var(--gold);
            color: var(--gold-dark);
            background: var(--gold-soft);
        }

        .btn-arrow {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            color: #0e141b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }

        .btn-arrow:hover {
            transform: translateX(3px);
            box-shadow: 0 4px 14px rgba(201, 160, 99, 0.4);
        }

        .menu-toggle {
            display: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            padding: 8px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            background: #fff;
        }

        /* ===== 分类Hero ===== */
        .category-hero {
            position: relative;
            min-height: 220px;
            background: linear-gradient(100deg, rgba(14, 20, 27, 0.92) 0%, rgba(14, 20, 27, 0.72) 60%, rgba(14, 20, 27, 0.55) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            display: flex;
            align-items: center;
            padding: 48px 0;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
        }

        .category-hero .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            position: relative;
            padding-left: 18px;
        }

        .hero-content h1::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .hero-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            max-width: 560px;
        }

        .hero-badge {
            display: flex;
            gap: 16px;
            flex-shrink: 0;
        }

        .badge-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            text-align: center;
            min-width: 110px;
            backdrop-filter: blur(4px);
        }

        .badge-num {
            display: block;
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--gold-light);
            line-height: 1.2;
        }

        .badge-label {
            display: block;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.05em;
        }

        /* ===== 卖点条 ===== */
        .feature-strip {
            padding: 64px 0 0;
        }

        .feature-strip .row {
            margin: 0 -12px;
        }

        .feature-strip .columns {
            padding: 0 12px;
        }

        .feature-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gold-soft);
            color: var(--gold-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .feature-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .feature-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ===== 筛选条 ===== */
        .filter-bar {
            margin-top: 48px;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .filter-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 20px;
            flex-wrap: wrap;
            padding: 8px 24px;
        }

        .filter-left {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .select-wrap {
            position: relative;
        }

        .custom-select {
            appearance: none;
            -webkit-appearance: none;
            background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236B7B8D' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 16px center;
            border: 1px solid rgba(0, 0, 0, 0.12);
            border-radius: var(--radius-pill);
            height: 40px;
            padding: 0 40px 0 18px;
            font-size: 14px;
            color: var(--text-main);
            cursor: pointer;
        }

        .custom-select:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 2px rgba(201, 160, 99, 0.2);
        }

        .filter-tabs {
            display: flex;
            gap: 8px;
        }

        .tab-btn {
            font-size: 14px;
            color: var(--text-sub);
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .tab-btn:hover {
            color: var(--gold-dark);
            border-color: var(--gold);
        }

        .tab-btn.active {
            background: var(--gold-soft);
            color: var(--gold-dark);
            border-color: rgba(200, 170, 110, 0.3);
            font-weight: 600;
        }

        .filter-right {
            display: flex;
            align-items: center;
        }

        .search-box {
            position: relative;
        }

        .search-box i {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            color: var(--gray-blue);
        }

        .search-box input {
            height: 40px;
            width: 200px;
            border: 1px solid rgba(0, 0, 0, 0.12);
            border-radius: var(--radius-pill);
            padding: 0 16px 0 38px;
            font-size: 14px;
            background: #fff;
            transition: var(--transition);
        }

        .search-box input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 2px rgba(201, 160, 99, 0.2);
            width: 240px;
        }

        /* ===== 分类内容区 ===== */
        .category-content {
            padding: 64px 0 48px;
        }

        .masonry-grid {
            columns: 2;
            column-gap: 32px;
        }

        .masonry-item {
            break-inside: avoid;
            margin-bottom: 32px;
        }

        .card-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

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

        .card-media {
            overflow: hidden;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .card-media img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform 0.25s ease-out;
        }

        .card-item:hover .card-media img {
            transform: scale(1.03);
        }

        .card-body {
            padding: 24px;
        }

        .card-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--gold-dark);
            background: var(--gold-soft);
            border: 1px solid rgba(200, 170, 110, 0.25);
            border-radius: var(--radius-pill);
            padding: 3px 12px;
            margin-bottom: 12px;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .card-body h3:hover {
            color: var(--gold-dark);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--gray-blue);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* ===== 分页 ===== */
        .pagination-wrap {
            text-align: center;
            padding: 24px 0 16px;
        }

        .btn-load-more {
            width: 220px;
            height: 48px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 0, 0, 0.18);
            font-size: 15px;
            color: var(--text-main);
            background: #fff;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-load-more:hover {
            background: var(--gold);
            border-color: var(--gold);
            color: #fff;
            box-shadow: 0 8px 24px rgba(201, 160, 99, 0.3);
        }

        .btn-load-more:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .page-num {
            display: block;
            font-size: 13px;
            color: var(--gray-blue);
            margin-top: 12px;
            font-family: var(--font-num);
        }

        /* ===== 适用场景与流程 ===== */
        .how-section {
            padding: 64px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .how-grid {
            display: flex;
            gap: 48px;
        }

        .how-left,
        .how-right {
            flex: 1;
        }

        .how-left h2,
        .how-right h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 24px;
            position: relative;
            padding-left: 16px;
        }

        .how-left h2::before,
        .how-right h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 3px;
            background: var(--gold);
            border-radius: 2px;
        }

        .scenario-list {
            list-style: none;
        }

        .scenario-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .scenario-list li i {
            color: var(--gold-dark);
            font-size: 14px;
            width: 20px;
            text-align: center;
        }

        .steps {
            counter-reset: step;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--gold-soft);
            color: var(--gold-dark);
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
        }

        .faq-grid {
            display: flex;
            gap: 64px;
        }

        .faq-left {
            flex: 0 0 320px;
        }

        .faq-left h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .faq-left p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .link-more {
            font-size: 15px;
            color: var(--gold-dark);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .link-more:hover {
            color: #9a7436;
            gap: 12px;
        }

        .faq-right {
            flex: 1;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
        }

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

        .faq-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 1px solid currentColor;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: transform 0.25s ease-out;
        }

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

        .faq-question i {
            margin-left: auto;
            font-size: 13px;
            color: var(--gray-blue);
            transition: transform 0.25s ease-out;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            padding: 0 32px 20px 32px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0 0 80px;
        }

        .cta-bar {
            background: linear-gradient(120deg, #0e141b 0%, #18212b 70%, #1f2a36 100%);
            border-radius: var(--radius-xl);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            border: 1px solid var(--white-border);
            position: relative;
            overflow: hidden;
        }

        .cta-bar::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 160, 99, 0.15), transparent 70%);
        }

        .cta-brand {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .cta-brand span {
            color: var(--gold-light);
        }

        .cta-text {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            flex: 1;
            min-width: 200px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
        }

        .btn-primary {
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
            color: #0e141b;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 8px 24px rgba(201, 160, 99, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-ghost {
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            transition: var(--transition);
        }

        .btn-ghost:hover {
            border-color: var(--gold);
            color: var(--gold-light);
        }

        .btn-ghost:active {
            transform: scale(0.97);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            padding-top: 64px;
            border-top: 1px solid var(--white-border);
        }

        .footer-grid {
            display: flex;
            gap: 48px;
            padding-bottom: 48px;
            flex-wrap: wrap;
        }

        .footer-brand {
            flex: 1 1 280px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 22px;
        }

        .footer-brand .brand-logo span {
            color: var(--gold-light);
        }

        .footer-desc {
            font-size: 13px;
            color: #8B96A4;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 320px;
        }

        .footer-col {
            flex: 1 1 160px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: #8B96A4;
            line-height: 2.2;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
            border-left: 2px solid var(--gold);
            padding-left: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }

            .header-inner {
                gap: 16px;
            }

            .how-grid {
                flex-direction: column;
                gap: 32px;
            }

            .faq-grid {
                flex-direction: column;
                gap: 40px;
            }

            .faq-left {
                flex: 1;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
                border-bottom: 1px solid var(--border);
                z-index: 99;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-md);
            }

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

            .menu-toggle {
                display: block;
            }

            .header-actions .btn-icon,
            .header-actions .btn-arrow {
                display: none;
            }

            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .hero-content h1 {
                font-size: 28px;
            }

            .hero-badge {
                flex-direction: row;
                overflow-x: auto;
                width: 100%;
                padding-bottom: 4px;
            }

            .badge-item {
                min-width: 100px;
                flex-shrink: 0;
            }

            .masonry-grid {
                columns: 1;
            }

            .filter-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
            }

            .filter-left {
                width: 100%;
                justify-content: space-between;
            }

            .filter-right {
                width: 100%;
            }

            .search-box input {
                width: 100%;
            }

            .search-box input:focus {
                width: 100%;
            }

            .cta-bar {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }

            .cta-actions {
                width: 100%;
                justify-content: flex-start;
            }

            .footer-grid {
                flex-direction: column;
                gap: 32px;
            }

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

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

            .header-inner {
                height: 64px;
            }

            .brand-logo {
                font-size: 20px;
            }

            .menu-toggle {
                padding: 6px 14px;
            }

            .category-hero {
                min-height: 200px;
                padding: 32px 0;
            }

            .hero-content h1 {
                font-size: 24px;
            }

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

            .feature-strip .columns {
                flex: 0 0 100%;
                max-width: 100%;
                margin-bottom: 16px;
            }

            .filter-left {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .filter-tabs {
                width: 100%;
            }

            .tab-btn {
                flex: 1;
                text-align: center;
            }

            .btn-load-more {
                width: 180px;
                height: 44px;
            }

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

            .btn-primary,
            .btn-ghost {
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #C9A063;
  --primary-dark: #B8904F;
  --primary-light: #D4B078;
  --primary-soft: rgba(201, 160, 99, 0.12);
  --ink: #0E141B;
  --ink-light: #18212B;
  --teal: #2DD4BF;
  --steel: #6B7B8D;
  --porcelain: #F7F5F1;
  --red: #D64545;
  --white: #FFFFFF;
  --text-main: #222222;
  --text-sub: #555555;
  --text-weak: #8B96A4;
  --border-light: rgba(0, 0, 0, 0.06);
  --border-med: rgba(0, 0, 0, 0.12);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 20px rgba(14, 20, 27, 0.05);
  --shadow-hover: 0 12px 40px rgba(14, 20, 27, 0.10);
  --transition: 200ms ease-out;
  --font-num: "DIN Alternate", "Bahnschrift", "Roboto Mono", monospace;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  background: var(--porcelain);
  color: var(--text-main);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button, input, select { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }

/* Top Bar */
.top-info-bar {
  height: 36px;
  background: var(--ink);
  display: flex;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}
.top-info-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-info-bar .top-links { display: flex; gap: 24px; }
.top-info-bar a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.top-info-bar a:hover { color: rgba(255,255,255,0.9); }

/* Main Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 241, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}
.main-nav {
  display: flex;
  align-items: center;
  height: 76px;
  gap: 40px;
}
.brand-logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
  margin-right: 24px;
}
.brand-logo span {
  color: var(--primary);
  font-weight: 800;
}
.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
  flex: 1;
}
.nav-links a {
  font-size: 15px;
  color: #222;
  font-weight: 400;
  padding: 8px 4px;
  position: relative;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  opacity: 0;
  transition: all 0.25s ease-out;
}
.nav-links a:hover::after { width: 40px; opacity: 1; }
.nav-links a.active {
  color: var(--primary-dark);
  background: var(--primary-soft);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
}
.nav-links a.active::after { display: none; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn-fav {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border-med);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--steel);
  transition: all 0.2s;
}
.btn-fav:hover { border-color: var(--primary); color: var(--primary); }
.btn-arrow-gold {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
}
.btn-arrow-gold:hover { box-shadow: 0 8px 24px rgba(201,160,99,0.3); }

/* Mobile Nav */
.nav-toggle-mobile { display: none; }
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--porcelain);
  z-index: 200;
  padding: 24px;
  flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-menu-close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  color: var(--text-main);
}
.mobile-menu a {
  font-size: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
  font-weight: 600;
}
.mobile-menu a.active { color: var(--primary); }

/* Category Banner */
.category-banner {
  background: var(--ink);
  min-height: 220px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.category-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}
.category-banner .container {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}
.category-banner .banner-content { max-width: 640px; }
.category-banner h1 {
  font-size: 36px;
  color: #fff;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.category-banner .banner-desc {
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  line-height: 1.8;
  max-width: 520px;
}
.banner-badge {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-align: center;
  min-width: 120px;
}
.banner-badge .num {
  font-family: var(--font-num);
  font-size: 28px;
  color: var(--primary);
  font-weight: 700;
  line-height: 1.2;
}
.banner-badge .label {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* Filter bar */
.filter-bar {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  padding: 16px 0;
  position: sticky;
  top: 76px;
  z-index: 50;
}
.filter-bar .container {
  display: flex;
  align-items: center;
  gap: 20px;
}
.filter-sort {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
}
.filter-sort select {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--border-med);
  border-radius: var(--radius-pill);
  padding: 8px 32px 8px 16px;
  font-size: 13px;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%236B7B8D' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  cursor: pointer;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s;
}
.filter-sort select:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(201,160,99,0.2); }
.filter-tabs {
  display: flex;
  gap: 4px;
  align-items: center;
}
.filter-tabs a {
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--text-sub);
  transition: all 0.2s;
  border: 1px solid transparent;
}
.filter-tabs a:hover { color: var(--primary); }
.filter-tabs a.active {
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-weight: 600;
  border-color: rgba(201,160,99,0.3);
}
.filter-search {
  margin-left: auto;
  position: relative;
}
.filter-search input {
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-med);
  padding: 0 40px 0 16px;
  font-size: 14px;
  width: 200px;
  outline: none;
  background: #fff;
  transition: all 0.2s;
}
.filter-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(201,160,99,0.2);
  width: 240px;
}
.filter-search .search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--steel);
  font-size: 13px;
  pointer-events: none;
}

/* Category Content */
.category-content { padding: 48px 0 80px; }
.category-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.cat-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease-out;
  border: 1px solid var(--border-light);
}
.cat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.cat-card .card-img {
  overflow: hidden;
  aspect-ratio: 16/10;
  position: relative;
}
.cat-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease-out;
}
.cat-card:hover .card-img img { transform: scale(1.03); }
.cat-card .card-body { padding: 24px; }
.cat-card .card-tag {
  font-size: 12px;
  color: var(--primary-dark);
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  display: inline-block;
  margin-bottom: 12px;
  font-weight: 500;
}
.cat-card h2 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--text-main);
  transition: color 0.2s;
}
.cat-card h2:hover { color: var(--primary); }
.cat-card .card-summary {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.cat-card .card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--steel);
}
.cat-card .card-meta .tag {
  font-size: 12px;
  border: 1px solid var(--border-med);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  color: var(--text-sub);
}

/* Load More */
.load-more-wrap {
  text-align: center;
  padding: 48px 0 16px;
}
.btn-load-more {
  width: 220px;
  height: 48px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-med);
  background: transparent;
  font-size: 15px;
  cursor: pointer;
  color: var(--text-main);
  transition: all 0.2s;
  font-weight: 500;
}
.btn-load-more:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  border-color: transparent;
  color: var(--ink);
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(201,160,99,0.3);
}
.page-num {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-weak);
  font-family: var(--font-num);
}

/* Feature Section */
.feature-section { padding: 80px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}
.section-head .section-sub {
  font-size: 14px;
  color: var(--text-sub);
  max-width: 400px;
  text-align: right;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.25s ease-out;
  position: relative;
  overflow: hidden;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(201,160,99,0.3); }
.feature-card .feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 20px;
}
.feature-card h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature-card p {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  line-height: 1.8;
}
.feature-card .feature-num {
  position: absolute;
  right: 20px;
  top: 16px;
  font-family: var(--font-num);
  font-size: 14px;
  color: rgba(255,255,255,0.2);
  font-weight: 700;
}

/* FAQ Section */
.faq-section { padding: 80px 0; background: #fff; border-top: 1px solid var(--border-light); }
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.faq-left h2 { font-size: 28px; font-weight: 700; color: var(--ink); margin-bottom: 16px; }
.faq-left p { color: var(--text-sub); font-size: 14px; line-height: 1.8; margin-bottom: 24px; }
.faq-contact {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--border-med);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--text-main);
  transition: all 0.2s;
}
.faq-contact:hover { border-color: var(--primary); color: var(--primary); }
.faq-list .faq-item {
  border-bottom: 1px solid var(--border-light);
  padding: 20px 0;
}
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  list-style: none;
  transition: color 0.2s;
}
.faq-item summary:hover { color: var(--primary); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .faq-q {
  display: flex;
  align-items: center;
  gap: 12px;
}
.faq-item .plus-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border-med);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.2s;
  flex-shrink: 0;
}
.faq-item[open] .plus-icon { background: var(--primary); color: #fff; border-color: var(--primary); transform: rotate(45deg); }
.faq-item[open] .faq-q .plus-icon { transform: rotate(45deg); }
.faq-item .answer {
  padding: 16px 0 8px 32px;
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

/* CTA Section */
.cta-section { padding: 48px 0 80px; }
.cta-box {
  background: linear-gradient(135deg, #0E141B 0%, #1A2530 100%);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  gap: 32px;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
}
.cta-box > * { position: relative; z-index: 1; }
.cta-brand {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}
.cta-brand span { color: var(--primary); }
.cta-text { color: rgba(255,255,255,0.75); font-size: 14px; line-height: 1.8; }
.cta-actions { display: flex; gap: 12px; justify-content: flex-end; }
.btn-cta {
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}
.btn-cta-gold { background: linear-gradient(135deg, var(--primary-light), var(--primary-dark)); color: var(--ink); font-weight: 600; }
.btn-cta-gold:hover { box-shadow: 0 8px 24px rgba(201,160,99,0.3); transform: translateY(-2px); }
.btn-cta-ghost { background: transparent; border: 1px solid rgba(255,255,255,0.5); color: #fff; }
.btn-cta-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* Footer */
.site-footer {
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 60px 0 24px;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .brand-logo { color: #fff; margin-bottom: 16px; }
.footer-brand .brand-logo span { color: var(--primary); }
.footer-desc {
  color: var(--text-weak);
  font-size: 13px;
  line-height: 1.8;
  max-width: 360px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-col a {
  display: block;
  color: var(--text-weak);
  font-size: 13px;
  padding: 6px 0;
  transition: all 0.2s;
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* Media Queries */
@media screen and (max-width: 1024px) {
  .nav-links { gap: 24px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-box { grid-template-columns: 1fr; text-align: center; }
  .cta-actions { justify-content: center; flex-wrap: wrap; }
}

@media screen and (max-width: 768px) {
  .desktop-nav { display: none; }
  .nav-toggle-mobile {
    display: flex;
    align-items: center;
    margin-left: auto;
    gap: 4px;
    background: none;
    border: none;
    font-size: 14px;
    cursor: pointer;
    color: var(--text-main);
    padding: 8px;
  }
  .container { padding: 0 16px; }
  .top-info-bar .top-links { display: none; }
  .category-banner { min-height: 200px; }
  .category-banner h1 { font-size: 28px; }
  .category-banner .container { flex-direction: column; align-items: flex-start; gap: 16px; text-align: left; }
  .banner-badge { min-width: auto; padding: 12px 16px; }
  .banner-badge .num { font-size: 22px; }
  .filter-bar { position: relative; top: 0; }
  .filter-bar .container { flex-wrap: wrap; gap: 12px; }
  .filter-search { margin-left: 0; width: 100%; }
  .filter-search input { width: 100%; }
  .filter-search input:focus { width: 100%; }
  .category-grid { grid-template-columns: 1fr; gap: 24px; }
  .faq-grid { grid-template-columns: 1fr; gap: 40px; }
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .feature-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section-head .section-sub { text-align: left; }
}

@media screen and (max-width: 520px) {
  .main-nav { height: 64px; }
  .brand-logo { font-size: 18px; }
  .nav-actions .btn-arrow-gold { display: none; }
  .category-banner h1 { font-size: 24px; }
}