/* roulang page: index */
:root {
  --bg: #0B0F1A;
  --bg-deep: #070A12;
  --bg-input: #0E1526;
  --card: #131A2C;
  --card-hover: #182136;
  --primary: #5AC8E8;
  --secondary: #9A8CFF;
  --gold: #F2C879;
  --text-main: #F2F6FC;
  --text-sub: #A5B3CC;
  --text-muted: #6C7E9E;
  --border: #24314D;
  --border-light: #2A3A5E;
  --radius: 14px;
  --radius-btn: 8px;
  --shadow: 0 8px 30px rgba(0,0,0,0.25);
  --shadow-hover: 0 14px 40px rgba(0,0,0,0.35);
  --transition: all 0.3s ease;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text-main); font-family: var(--font); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold); text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
select { -webkit-appearance: none; appearance: none; background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A5B3CC' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 14px center; background-size: 14px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.row { max-width: 1200px; margin-left: auto; margin-right: auto; }
.columns { padding-left: 12px; padding-right: 12px; }
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 740px; margin: 0 auto 56px; }
.section-head .eyebrow { display: inline-block; color: var(--secondary); font-size: 13px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; }
.section-head h2 { font-size: 36px; font-weight: 800; line-height: 1.3; margin-bottom: 14px; color: var(--text-main); }
.section-head p { color: var(--text-sub); font-size: 16px; line-height: 1.7; }
.eyebrow-line { display: inline-flex; align-items: center; gap: 10px; }
.eyebrow-line::before, .eyebrow-line::after { content: ''; width: 28px; height: 1px; background: var(--secondary); opacity: 0.5; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius-btn); font-weight: 600; font-size: 16px; line-height: 1.2; border: 1px solid transparent; cursor: pointer; transition: var(--transition); }
.btn-primary { background: var(--primary); color: var(--bg-deep); }
.btn-primary:hover { background: var(--gold); color: var(--bg-deep); text-decoration: none; box-shadow: 0 0 18px rgba(242,200,121,0.5); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); color: var(--primary); text-decoration: none; box-shadow: 0 0 12px rgba(90,200,232,0.35); transform: translateY(-1px); }
.btn-lg { padding: 16px 36px; font-size: 17px; }
.btn-block { width: 100%; }
.btn-header { padding: 10px 22px; font-size: 15px; }
.tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(90,200,232,0.12); color: var(--primary); border: 1px solid rgba(90,200,232,0.35); padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.badge-deadline { display: inline-flex; align-items: center; gap: 8px; background: rgba(242,200,121,0.12); color: var(--gold); border: 1px solid rgba(242,200,121,0.35); padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(11,15,26,0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.header-top { display: flex; align-items: center; gap: 28px; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; letter-spacing: 0.5px; color: var(--text-main); white-space: nowrap; }
.brand:hover { color: var(--text-main); }
.brand-star { color: var(--gold); font-size: 18px; animation: starPulse 3s ease-in-out infinite; }
@keyframes starPulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.7; transform: scale(0.92); } }
.header-search { flex: 1; max-width: 440px; margin-left: auto; }
.search-form { position: relative; display: flex; align-items: center; }
.search-form .search-icon { position: absolute; left: 16px; color: var(--text-muted); font-size: 14px; pointer-events: none; }
.search-form input[type="search"] { width: 100%; background: var(--bg-deep); border: 1px solid var(--border); border-radius: 999px; padding: 10px 18px 10px 42px; color: var(--text-main); font-size: 14px; outline: none; transition: var(--transition); }
.search-form input[type="search"]::placeholder { color: var(--text-muted); }
.search-form input[type="search"]:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(90,200,232,0.25); }
.nav-tabs-wrap { position: relative; }
.nav-tabs-wrap::after { content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 56px; pointer-events: none; background: linear-gradient(to left, rgba(11,15,26,0.95), transparent); z-index: 2; }
.nav-tabs { display: flex; gap: 8px; padding: 10px 0 12px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tabs a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 20px; border-radius: 999px; color: var(--text-sub); font-weight: 600; font-size: 15px; border: 1px solid transparent; white-space: nowrap; transition: var(--transition); }
.nav-tabs a:hover { color: var(--primary); border-color: rgba(90,200,232,0.35); background: rgba(90,200,232,0.08); text-decoration: none; }
.nav-tabs a.active { color: var(--bg-deep); background: var(--primary); font-weight: 700; border-color: var(--primary); box-shadow: 0 0 14px rgba(90,200,232,0.4); }
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: rgba(5,8,16,0.65); z-index: 1; }
.hero::after { content: ''; position: absolute; bottom: 0; left: 8%; right: 8%; height: 1px; background: linear-gradient(to right, transparent, rgba(90,200,232,0.5), transparent); z-index: 2; }
.hero-content { position: relative; z-index: 3; max-width: 880px; padding: 80px 24px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(90,200,232,0.14); color: var(--primary); border: 1px solid rgba(90,200,232,0.35); padding: 6px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; margin-bottom: 28px; }
.hero-badge i { color: var(--gold); }
.hero h1 { font-size: 54px; font-weight: 800; line-height: 1.2; letter-spacing: 1px; margin-bottom: 18px; color: var(--text-main); }
.hero-sub { font-size: 20px; color: var(--text-sub); line-height: 1.6; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 30px; }
.hero-note { color: var(--text-muted); font-size: 14px; letter-spacing: 0.3px; }
.stats-band { background: var(--bg-deep); border-bottom: 1px solid var(--border); padding: 40px 0; }
.stats-row { display: flex; flex-wrap: wrap; }
.stat-item { text-align: center; padding: 16px 8px; }
.stat-num { font-size: 40px; font-weight: 800; color: var(--text-main); font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat-num span { color: var(--gold); font-size: 28px; margin-left: 2px; }
.stat-label { color: var(--text-sub); font-size: 15px; margin-top: 6px; }
.highlights { background: var(--bg); }
.highlight-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 28px; height: 100%; transition: var(--transition); }
.highlight-card:hover { transform: translateY(-4px); border-color: var(--primary); box-shadow: var(--shadow-hover), 0 0 24px rgba(90,200,232,0.12); }
.highlight-icon { width: 52px; height: 52px; border-radius: 12px; background: rgba(90,200,232,0.12); border: 1px solid rgba(90,200,232,0.25); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--primary); font-size: 20px; transition: var(--transition); }
.highlight-card:hover .highlight-icon { background: var(--secondary); color: var(--bg-deep); border-color: var(--secondary); }
.highlight-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text-main); }
.highlight-card p { color: var(--text-sub); font-size: 14px; line-height: 1.7; }
.agenda { background: var(--bg); }
.timeline { position: relative; max-width: 960px; margin: 0 auto; padding: 24px 0; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--border); }
.timeline-item { position: relative; width: 50%; padding: 0 40px 40px; }
.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; text-align: left; }
.timeline-item .node { position: absolute; top: 6px; width: 32px; height: 32px; border-radius: 50%; background: var(--card); border: 2px solid var(--gold); display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 12px; z-index: 2; }
.timeline-item:nth-child(odd) .node { right: -16px; }
.timeline-item:nth-child(even) .node { left: -16px; }
.timeline-inner { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: var(--transition); }
.timeline-inner:hover { border-color: var(--primary); box-shadow: 0 8px 30px rgba(0,0,0,0.25); }
.timeline-time { display: inline-flex; align-items: center; gap: 6px; color: var(--gold); font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; margin-bottom: 8px; }
.timeline-date { display: block; color: var(--text-muted); font-size: 13px; font-weight: 400; margin-left: 4px; }
.timeline-title { font-size: 19px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; line-height: 1.4; }
.timeline-tag { display: inline-block; background: rgba(154,140,255,0.12); color: var(--secondary); border: 1px solid rgba(154,140,255,0.35); padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; margin-bottom: 10px; }
.timeline-desc { color: var(--text-sub); font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
.timeline-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.timeline-link:hover { color: var(--gold); }
.agenda-more { text-align: center; margin-top: 40px; }
.speakers { background: var(--bg-deep); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.speaker-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px 24px 28px; text-align: center; height: 100%; transition: var(--transition); }
.speaker-card:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: 0 10px 32px rgba(0,0,0,0.3); }
.speaker-card img { width: 112px; height: 112px; border-radius: 50%; object-fit: cover; margin: 0 auto 18px; border: 3px solid var(--border); transition: var(--transition); }
.speaker-card:hover img { border-color: var(--primary); }
.speaker-card h3 { font-size: 19px; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.speaker-org { color: var(--text-sub); font-size: 14px; margin-bottom: 12px; }
.speaker-field { display: inline-block; background: rgba(90,200,232,0.12); color: var(--primary); border: 1px solid rgba(90,200,232,0.35); padding: 2px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.speakers-more { text-align: center; margin-top: 48px; }
.tickets { background: var(--bg); }
.ticket-card { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 30px; height: 100%; display: flex; flex-direction: column; transition: var(--transition); }
.ticket-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.ticket-card.featured { border-color: var(--gold); box-shadow: 0 0 30px rgba(242,200,121,0.12); }
.ticket-card.featured::before { content: '推荐'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--gold); color: var(--bg-deep); font-size: 12px; font-weight: 800; padding: 4px 16px; border-radius: 999px; letter-spacing: 1px; }
.ticket-name { font-size: 20px; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.ticket-desc { color: var(--text-sub); font-size: 14px; margin-bottom: 20px; line-height: 1.6; min-height: 48px; }
.ticket-price { font-size: 46px; font-weight: 800; color: var(--text-main); font-variant-numeric: tabular-nums; margin-bottom: 22px; }
.ticket-price .symbol { font-size: 24px; vertical-align: top; margin-right: 2px; color: var(--gold); }
.ticket-price .unit { font-size: 15px; color: var(--text-muted); font-weight: 400; margin-left: 4px; }
.ticket-list { flex: 1; margin-bottom: 28px; }
.ticket-list li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; color: var(--text-sub); font-size: 14px; border-bottom: 1px solid var(--border); }
.ticket-list li:last-child { border-bottom: none; }
.ticket-list li i { margin-top: 3px; font-size: 13px; color: var(--primary); }
.ticket-list li.no i { color: var(--text-muted); opacity: 0.5; }
.ticket-list li.no span { opacity: 0.6; }
.register { position: relative; background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat fixed; }
.register::before { content: ''; position: absolute; inset: 0; background: rgba(5,8,16,0.85); }
.register .container { position: relative; z-index: 2; }
.register-wrap { display: flex; gap: 56px; align-items: center; }
.register-info { flex: 1; }
.register-info h2 { font-size: 36px; font-weight: 800; line-height: 1.3; margin-bottom: 20px; }
.register-info .lead { color: var(--text-sub); font-size: 16px; line-height: 1.8; margin-bottom: 32px; }
.register-list { margin-bottom: 32px; }
.register-list li { display: flex; align-items: center; gap: 12px; padding: 10px 0; color: var(--text-sub); font-size: 15px; }
.register-list li i { width: 24px; height: 24px; border-radius: 50%; background: rgba(90,200,232,0.12); color: var(--primary); font-size: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.register-form { flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px 36px; position: relative; box-shadow: var(--shadow); }
.form-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; gap: 16px; flex-wrap: wrap; }
.form-top h3 { font-size: 22px; font-weight: 800; color: var(--text-main); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; color: var(--text-sub); margin-bottom: 8px; }
.form-group label .required { color: var(--gold); margin-left: 2px; }
.form-group input, .form-group select { width: 100%; background: var(--bg-input); border: 1px solid var(--border-light); border-radius: var(--radius-btn); padding: 13px 16px; color: var(--text-main); font-size: 15px; outline: none; transition: var(--transition); }
.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(90,200,232,0.22); }
.form-group select option { background: var(--card); color: var(--text-main); }
.form-success { display: none; margin-top: 16px; background: rgba(242,200,121,0.1); border: 1px solid rgba(242,200,121,0.35); color: var(--gold); padding: 14px 18px; border-radius: var(--radius-btn); font-size: 14px; line-height: 1.6; }
.form-note { margin-top: 16px; color: var(--text-muted); font-size: 13px; text-align: center; }
.news { background: var(--bg); }
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.news-card { display: flex; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.news-card:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: var(--shadow-hover); }
.news-thumb { width: 200px; min-height: 100%; flex-shrink: 0; background: var(--bg-deep); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
.news-body { padding: 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.news-meta .date { color: var(--text-muted); font-size: 13px; display: inline-flex; align-items: center; gap: 5px; }
.news-body h3 { font-size: 18px; font-weight: 700; color: var(--text-main); line-height: 1.45; margin-bottom: 8px; }
.news-body p { color: var(--text-sub); font-size: 14px; line-height: 1.7; flex: 1; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-more { margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.news-more:hover { color: var(--gold); }
.news-empty { grid-column: 1 / -1; background: var(--card); border: 1px dashed var(--border-light); border-radius: var(--radius); padding: 60px 30px; text-align: center; }
.news-empty i { font-size: 34px; color: var(--secondary); margin-bottom: 12px; display: block; }
.news-empty p { color: var(--text-sub); font-size: 15px; }
.faq { background: var(--bg-deep); border-top: 1px solid var(--border); }
.faq .accordion { margin: 0; background: transparent; border: none; border-radius: 0; }
.accordion-item { background: var(--card); border: 1px solid var(--border) !important; border-radius: var(--radius) !important; margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.accordion-item:hover { border-color: var(--border-light); }
.accordion-title { background: transparent !important; color: var(--text-main) !important; border: none !important; font-size: 17px; font-weight: 700; padding: 20px 56px 20px 24px; line-height: 1.5; position: relative; display: block; width: 100%; text-align: left; outline: none; transition: var(--transition); }
.accordion-title:hover { background: rgba(90,200,232,0.06) !important; color: var(--primary) !important; }
.accordion-title:focus-visible { box-shadow: inset 0 0 0 2px var(--primary); }
.accordion-title::before { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 14px; color: var(--secondary); position: absolute; right: 24px; top: 50%; transform: translateY(-50%); background: transparent !important; border: none !important; width: auto; height: auto; transition: transform 0.3s ease; }
.accordion-item.is-active .accordion-title::before { transform: translateY(-50%) rotate(180deg); color: var(--gold); }
.accordion-content { background: transparent !important; color: var(--text-sub) !important; border-top: 1px solid var(--border); padding: 0 24px 22px !important; font-size: 15px; line-height: 1.75; }
.cta-bottom { position: relative; background: url('/assets/images/backpic/back-3.png') center 40% / cover no-repeat; padding: 100px 0; overflow: hidden; }
.cta-bottom::before { content: ''; position: absolute; inset: 0; background: rgba(5,8,16,0.75); }
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 720px; margin: 0 auto; padding: 0 24px; }
.cta-inner h2 { font-size: 38px; font-weight: 800; line-height: 1.3; margin-bottom: 18px; }
.cta-inner p { color: var(--text-sub); font-size: 17px; margin-bottom: 36px; line-height: 1.7; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.site-footer { background: var(--bg-deep); border-top: 1px solid var(--border); }
.footer-top { padding: 60px 0 40px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-main); margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--text-main); margin-bottom: 12px; }
.footer-brand i { color: var(--gold); font-size: 16px; }
.footer-about { color: var(--text-sub); font-size: 14px; line-height: 1.8; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-sub); font-size: 14px; }
.footer-links a:hover { color: var(--primary); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-sub); font-size: 14px; margin-bottom: 12px; line-height: 1.6; }
.footer-contact li i { color: var(--primary); font-size: 13px; margin-top: 4px; width: 16px; flex-shrink: 0; text-align: center; }
.footer-bottom { border-top: 1px solid var(--border); padding: 22px 0; }
.footer-copyright { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--text-muted); font-size: 13px; }
@media (max-width: 1024px) {
  .section { padding: 76px 0; }
  .hero h1 { font-size: 46px; }
  .speaker-card img { width: 96px; height: 96px; }
  .register-wrap { gap: 36px; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 30px; }
  .header-top { gap: 16px; }
  .header-search { max-width: none; order: 3; flex-basis: 100%; }
  .header-top .btn-header { margin-left: auto; }
  .brand { font-size: 20px; }
  .hero { min-height: 90vh; }
  .hero h1 { font-size: 36px; }
  .hero-sub { font-size: 17px; }
  .timeline::before { left: 16px; }
  .timeline-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 32px 48px; }
  .timeline-item .node { left: 0 !important; right: auto !important; top: 4px; }
  .register-wrap { flex-direction: column; }
  .register-form { width: 100%; }
  .news-list { grid-template-columns: 1fr; }
  .news-thumb { width: 100%; }
  .news-thumb img { min-height: 200px; }
  .footer-col { margin-bottom: 32px; }
  .footer-bottom .footer-copyright { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .section-head p { font-size: 15px; }
  .btn { padding: 12px 22px; font-size: 15px; }
  .btn-lg { padding: 14px 26px; font-size: 16px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .stat-num { font-size: 32px; }
  .highlight-card { padding: 24px 20px; }
  .timeline-item { padding-left: 40px; }
  .timeline-inner { padding: 18px; }
  .timeline-title { font-size: 17px; }
  .speaker-card { padding: 24px 16px; }
  .speaker-card img { width: 84px; height: 84px; }
  .ticket-card { padding: 28px 22px; }
  .ticket-price { font-size: 38px; }
  .register-form { padding: 28px 22px; }
  .form-top h3 { font-size: 20px; }
  .news-card { flex-direction: column; }
  .news-thumb img { min-height: 170px; }
  .cta-inner h2 { font-size: 28px; }
  .cta-inner p { font-size: 15px; }
  .accordion-title { font-size: 16px; padding: 18px 48px 18px 20px; }
}

/* roulang page: category1 */
:root {
      --bg-body: #0B0F1A;
      --bg-card: #131A2C;
      --bg-input: #0E1526;
      --bg-footer: #070A12;
      --primary: #5AC8E8;
      --secondary: #9A8CFF;
      --gold: #F2C879;
      --text-main: #F2F6FC;
      --text-secondary: #A5B3CC;
      --text-muted: #6C7E9E;
      --border: #24314D;
      --border-light: #2A3A5E;
      --radius: 14px;
      --radius-btn: 8px;
      --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
      --shadow-glow: 0 0 18px rgba(90, 200, 232, 0.35);
      --header-h: 113px;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--bg-body);
      color: var(--text-main);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.3s;
    }
    a:hover {
      color: var(--gold);
      text-decoration: underline;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      box-shadow: 0 0 0 4px rgba(90, 200, 232, 0.25);
      border-radius: 4px;
    }
    img {
      max-width: 100%;
      display: block;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 15px;
      line-height: 1.2;
      border-radius: var(--radius-btn);
      padding: 14px 28px;
      cursor: pointer;
      transition: all 0.3s ease;
      border: 1px solid transparent;
      text-decoration: none;
    }
    .btn-primary {
      background: var(--primary);
      color: #0B0F1A;
    }
    .btn-primary:hover {
      background: var(--gold);
      color: #0B0F1A;
      box-shadow: 0 0 18px rgba(242, 200, 121, 0.45);
      transform: translateY(-2px);
      text-decoration: none;
    }
    .btn-secondary {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      color: var(--primary);
      box-shadow: 0 0 18px rgba(90, 200, 232, 0.25);
      transform: translateY(-2px);
      text-decoration: none;
    }
    .pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 4px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      background: rgba(90, 200, 232, 0.12);
      color: var(--primary);
      border: 1px solid rgba(90, 200, 232, 0.35);
      white-space: nowrap;
    }
    .pill-purple {
      background: rgba(154, 140, 255, 0.12);
      color: var(--secondary);
      border-color: rgba(154, 140, 255, 0.35);
    }
    .pill-gold {
      background: rgba(242, 200, 121, 0.12);
      color: var(--gold);
      border-color: rgba(242, 200, 121, 0.35);
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .section-tag::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }
    .section-head h2 {
      font-size: 34px;
      font-weight: 800;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.02em;
    }
    .section-head p {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(11, 15, 26, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
    }
    .header-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: 64px;
      padding: 8px 0;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      text-decoration: none;
      letter-spacing: 0.02em;
      white-space: nowrap;
    }
    .brand:hover {
      color: var(--text-main);
      text-decoration: none;
    }
    .brand-star {
      color: var(--gold);
      font-size: 20px;
    }
    .header-search {
      flex: 1;
      max-width: 420px;
      margin: 0 auto;
    }
    .search-form {
      position: relative;
      display: flex;
      align-items: center;
    }
    .search-form .search-icon {
      position: absolute;
      left: 14px;
      color: var(--text-muted);
      font-size: 14px;
      pointer-events: none;
    }
    .search-form input[type="search"] {
      width: 100%;
      background: var(--bg-input);
      border: 1px solid var(--border-light);
      border-radius: 999px;
      padding: 10px 18px 10px 40px;
      font-size: 14px;
      color: var(--text-main);
      transition: border-color 0.3s, box-shadow 0.3s;
      -webkit-appearance: none;
    }
    .search-form input[type="search"]::placeholder {
      color: var(--text-muted);
    }
    .search-form input[type="search"]:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(90, 200, 232, 0.2);
    }
    .btn-header {
      padding: 10px 24px;
      font-size: 14px;
      white-space: nowrap;
    }
    .nav-tabs-wrap {
      border-top: 1px solid rgba(36, 49, 77, 0.4);
    }
    .nav-tabs {
      display: flex;
      gap: 4px;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 8px 0;
      position: relative;
    }
    .nav-tabs::-webkit-scrollbar {
      display: none;
    }
    .nav-tabs a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 22px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-secondary);
      white-space: nowrap;
      text-decoration: none;
      transition: all 0.3s;
      border: 1px solid transparent;
    }
    .nav-tabs a:hover {
      color: var(--primary);
      background: rgba(90, 200, 232, 0.08);
    }
    .nav-tabs a.active {
      color: #0B0F1A;
      background: var(--primary);
      font-weight: 600;
      box-shadow: 0 0 12px rgba(90, 200, 232, 0.3);
    }
    .page-hero {
      position: relative;
      min-height: 460px;
      display: flex;
      align-items: center;
      justify-content: center;
      background-size: cover;
      background-position: center;
      background-color: #0B0F1A;
      padding: 80px 0;
      overflow: hidden;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: rgba(5, 8, 16, 0.65);
      z-index: 1;
    }
    .hero-overlay::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      background: radial-gradient(circle at 70% 20%, rgba(90, 200, 232, 0.12), transparent 45%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 860px;
      padding: 0 24px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(154, 140, 255, 0.12);
      border: 1px solid rgba(154, 140, 255, 0.4);
      color: var(--secondary);
      font-size: 14px;
      font-weight: 600;
      padding: 6px 18px;
      border-radius: 999px;
      margin-bottom: 24px;
    }
    .hero-badge i {
      font-size: 12px;
    }
    .page-hero h1 {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 18px;
      letter-spacing: -0.02em;
      color: var(--text-main);
    }
    .hero-subtitle {
      font-size: 18px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 640px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .section-stats {
      background: var(--bg-body);
      padding: 72px 0 56px;
      border-bottom: 1px solid rgba(36, 49, 77, 0.5);
    }
    .stats-row {
      row-gap: 24px;
    }
    .stat-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 30px 20px;
      text-align: center;
      box-shadow: var(--shadow-card);
      transition: transform 0.3s, border-color 0.3s;
      height: 100%;
    }
    .stat-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 20px rgba(90, 200, 232, 0.12);
    }
    .stat-num {
      display: block;
      font-size: 40px;
      font-weight: 800;
      color: var(--primary);
      font-family: "SF Mono", "Menlo", monospace;
      letter-spacing: -0.01em;
      margin-bottom: 4px;
      line-height: 1.2;
    }
    .stat-label {
      font-size: 14px;
      color: var(--text-secondary);
      font-weight: 500;
    }
    .date-index-sticky {
      position: sticky;
      top: var(--header-h);
      z-index: 800;
      background: rgba(11, 15, 26, 0.94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      padding: 14px 0;
    }
    .date-index-wrap {
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .date-pill {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 10px 24px;
      border-radius: 999px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s;
      white-space: nowrap;
    }
    .date-pill span {
      font-size: 13px;
      color: var(--text-muted);
      transition: color 0.3s;
    }
    .date-pill:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(90, 200, 232, 0.08);
      text-decoration: none;
    }
    .date-pill.active {
      background: var(--primary);
      color: #0B0F1A;
      border-color: var(--primary);
      box-shadow: 0 0 16px rgba(90, 200, 232, 0.35);
    }
    .date-pill.active span {
      color: rgba(11, 15, 26, 0.7);
    }
    .schedule-section {
      padding: 80px 0 24px;
    }
    .schedule-section:first-of-type {
      padding-top: 72px;
    }
    .schedule-day-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 18px;
      box-shadow: var(--shadow-card);
      padding: 40px;
      margin-bottom: 56px;
      transition: border-color 0.3s;
      scroll-margin-top: calc(var(--header-h) + 60px);
    }
    .schedule-day-card:target {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(90, 200, 232, 0.15);
    }
    .day-head {
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
      padding-bottom: 28px;
      margin-bottom: 32px;
      border-bottom: 1px solid rgba(36, 49, 77, 0.6);
    }
    .day-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 78px;
      height: 78px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(90, 200, 232, 0.15), rgba(154, 140, 255, 0.12));
      border: 1px solid rgba(90, 200, 232, 0.3);
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      flex-shrink: 0;
      letter-spacing: 0.02em;
    }
    .day-date {
      flex: 1;
      min-width: 200px;
    }
    .day-date h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 2px;
    }
    .day-date p {
      color: var(--text-secondary);
      font-size: 14px;
    }
    .day-theme {
      padding: 6px 18px;
      border-radius: 999px;
      background: rgba(242, 200, 121, 0.08);
      border: 1px solid rgba(242, 200, 121, 0.3);
      color: var(--gold);
      font-size: 13px;
      font-weight: 500;
      white-space: nowrap;
    }
    .schedule-session {
      margin-bottom: 32px;
    }
    .schedule-session:last-child {
      margin-bottom: 0;
    }
    .session-title {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 1px dashed rgba(36, 49, 77, 0.7);
    }
    .session-title i {
      color: var(--secondary);
      font-size: 16px;
    }
    .schedule-list {
      display: flex;
      flex-direction: column;
      gap: 0;
    }
    .schedule-item {
      display: flex;
      gap: 24px;
      padding: 18px 20px;
      border-radius: 12px;
      transition: background 0.3s, border-color 0.3s;
      border: 1px solid transparent;
    }
    .schedule-item:nth-child(odd) {
      background: rgba(11, 15, 26, 0.3);
    }
    .schedule-item:hover {
      background: rgba(90, 200, 232, 0.05);
      border-color: rgba(90, 200, 232, 0.25);
    }
    .schedule-time {
      width: 90px;
      flex-shrink: 0;
      text-align: right;
      font-family: "SF Mono", "Menlo", Consolas, monospace;
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.4;
    }
    .schedule-time span {
      display: block;
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 400;
      text-transform: uppercase;
    }
    .schedule-info {
      flex: 1;
    }
    .schedule-info h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
      line-height: 1.4;
    }
    .schedule-info p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 8px;
    }
    .schedule-meta {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .section-highlights {
      background: linear-gradient(180deg, var(--bg-body) 0%, #0D1322 100%);
      padding: 80px 0;
    }
    .highlight-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      height: 100%;
      transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
      box-shadow: var(--shadow-card);
    }
    .highlight-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 24px rgba(90, 200, 232, 0.12);
    }
    .highlight-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .highlight-card .highlight-body {
      padding: 24px;
    }
    .highlight-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .highlight-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
      margin-bottom: 0;
    }
    .section-guide {
      padding: 80px 0;
      background: var(--bg-body);
    }
    .guide-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 36px 32px;
      height: 100%;
      text-align: center;
      transition: transform 0.3s, border-color 0.3s;
    }
    .guide-card:hover {
      transform: translateY(-4px);
      border-color: var(--secondary);
    }
    .guide-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: rgba(90, 200, 232, 0.12);
      border: 1px solid rgba(90, 200, 232, 0.3);
      color: var(--primary);
      font-size: 22px;
      margin-bottom: 18px;
    }
    .guide-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .guide-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
      margin-bottom: 0;
    }
    .section-faq {
      background: #0D1322;
      padding: 80px 0;
    }
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-accordion .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 14px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.3s;
    }
    .faq-accordion .accordion-item:hover {
      border-color: rgba(90, 200, 232, 0.4);
    }
    .faq-accordion .accordion-item.is-active {
      border-color: var(--primary);
    }
    .faq-accordion .accordion-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-main);
      padding: 20px 24px;
      background: transparent;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      transition: color 0.3s;
      position: relative;
    }
    .faq-accordion .accordion-title::after {
      content: "\f078";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 14px;
      color: var(--secondary);
      transition: transform 0.3s;
    }
    .faq-accordion .accordion-title:hover {
      color: var(--primary);
      background: rgba(90, 200, 232, 0.05);
    }
    .faq-accordion .accordion-item.is-active .accordion-title::after {
      transform: rotate(180deg);
    }
    .faq-accordion .accordion-content {
      padding: 0 24px 20px;
      border-top: 1px solid rgba(36, 49, 77, 0.5);
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.75;
    }
    .faq-accordion .accordion-content p {
      margin-top: 16px;
    }
    .section-cta {
      padding: 80px 0;
      background: var(--bg-body);
    }
    .cta-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 48px;
      text-align: center;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .cta-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 60%;
      height: 4px;
      background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
      border-radius: 4px;
    }
    .cta-card h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .cta-card p {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto 30px;
    }
    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .back-home {
      margin-top: 28px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.3s;
    }
    .back-home:hover {
      color: var(--primary);
      text-decoration: none;
    }
    .site-footer {
      background: var(--bg-footer);
      border-top: 1px solid #1C2740;
      padding: 60px 0 0;
    }
    .footer-top {
      padding-bottom: 40px;
      border-bottom: 1px solid #1C2740;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .footer-brand i {
      color: var(--gold);
    }
    .footer-about {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 0;
      max-width: 320px;
    }
    .site-footer h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-links,
    .footer-contact {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 14px;
      color: var(--text-secondary);
      text-decoration: none;
      transition: color 0.3s;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 10px;
    }
    .footer-contact i {
      color: var(--primary);
      width: 16px;
      text-align: center;
    }
    .footer-bottom {
      padding: 20px 0;
    }
    .footer-copyright {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 13px;
      color: var(--text-muted);
    }
    @media (max-width: 1024px) {
      .header-top {
        gap: 16px;
      }
      .header-search {
        max-width: 280px;
      }
      .page-hero h1 {
        font-size: 42px;
      }
      .schedule-item {
        gap: 16px;
      }
      .schedule-time {
        width: 76px;
      }
    }
    @media (max-width: 768px) {
      :root {
        --header-h: 102px;
      }
      .header-top {
        flex-wrap: wrap;
        padding: 8px 0 4px;
        min-height: 56px;
      }
      .brand {
        font-size: 19px;
      }
      .brand-star {
        font-size: 17px;
      }
      .header-search {
        order: 3;
        max-width: 100%;
        flex-basis: 100%;
        margin: 4px 0 0;
      }
      .btn-header {
        padding: 8px 16px;
        font-size: 13px;
      }
      .nav-tabs {
        padding: 6px 0;
      }
      .nav-tabs a {
        padding: 7px 16px;
        font-size: 14px;
      }
      .page-hero {
        min-height: 400px;
        padding: 60px 0;
      }
      .page-hero h1 {
        font-size: 34px;
      }
      .hero-subtitle {
        font-size: 16px;
      }
      .hero-actions {
        flex-direction: column;
        align-items: center;
      }
      .hero-actions .btn {
        width: 100%;
        max-width: 280px;
      }
      .section-stats {
        padding: 48px 0 32px;
      }
      .stat-card {
        padding: 20px 12px;
      }
      .stat-num {
        font-size: 30px;
      }
      .date-index-sticky {
        padding: 10px 0;
      }
      .date-pill {
        padding: 8px 16px;
        font-size: 13px;
        gap: 6px;
      }
      .schedule-section {
        padding: 48px 0 16px;
      }
      .schedule-day-card {
        padding: 24px 16px;
        margin-bottom: 40px;
      }
      .day-head {
        gap: 16px;
      }
      .day-badge {
        width: 60px;
        height: 60px;
        font-size: 14px;
        border-radius: 14px;
      }
      .day-date h3 {
        font-size: 20px;
      }
      .day-theme {
        font-size: 12px;
        padding: 4px 12px;
      }
      .session-title {
        font-size: 16px;
      }
      .schedule-item {
        flex-direction: column;
        gap: 8px;
        padding: 16px 14px;
      }
      .schedule-time {
        text-align: left;
        width: auto;
        font-size: 15px;
      }
      .schedule-info h4 {
        font-size: 16px;
      }
      .schedule-info p {
        font-size: 14px;
      }
      .section-highlights,
      .section-guide,
      .section-faq,
      .section-cta {
        padding: 56px 0;
      }
      .section-head h2 {
        font-size: 26px;
      }
      .highlight-card img {
        height: 160px;
      }
      .highlight-card .highlight-body {
        padding: 18px;
      }
      .highlight-card h3 {
        font-size: 16px;
      }
      .guide-card {
        padding: 24px 20px;
      }
      .cta-card {
        padding: 32px 20px;
      }
      .cta-card h2 {
        font-size: 26px;
      }
      .cta-actions {
        flex-direction: column;
        align-items: center;
      }
      .cta-actions .btn {
        width: 100%;
        max-width: 280px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }
      .page-hero h1 {
        font-size: 30px;
      }
      .hero-badge {
        font-size: 13px;
        padding: 4px 14px;
      }
      .stats-row {
        margin: 0 -4px;
      }
      .stat-card {
        padding: 16px 10px;
      }
      .stat-num {
        font-size: 26px;
      }
      .stat-label {
        font-size: 13px;
      }
      .date-index-wrap {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        scrollbar-width: none;
        padding-bottom: 4px;
      }
      .date-index-wrap::-webkit-scrollbar {
        display: none;
      }
      .date-pill {
        flex-shrink: 0;
      }
      .schedule-day-card {
        padding: 20px 12px;
      }
      .day-head {
        gap: 12px;
      }
      .day-badge {
        width: 52px;
        height: 52px;
        font-size: 13px;
      }
      .day-theme {
        width: 100%;
        text-align: center;
      }
      .schedule-meta {
        gap: 6px;
      }
      .schedule-meta .pill {
        font-size: 12px;
        padding: 3px 10px;
      }
      .faq-accordion .accordion-title {
        font-size: 15px;
        padding: 16px 16px;
      }
      .faq-accordion .accordion-content {
        padding: 0 16px 16px;
      }
    }

/* roulang page: article */
:root{
  --bg:#0B0F1A;
  --bg-soft:#0E1526;
  --card:#131A2C;
  --primary:#5AC8E8;
  --accent:#9A8CFF;
  --gold:#F2C879;
  --text:#F2F6FC;
  --text-2:#A5B3CC;
  --text-3:#6C7E9E;
  --line:#24314D;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 8px 30px rgba(0,0,0,.25);
  --shadow-lg:0 16px 50px rgba(0,0,0,.35);
  --ff:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --maxw:1200px;
  --sp:96px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--ff);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--gold)}
button,input,select,textarea{font-family:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.row{max-width:var(--maxw)}

/* ---------- Button ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;transition:all .3s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#0B1B2A;border-color:var(--primary)}
.btn-primary:hover{
  background:var(--gold);color:#1A1608;border-color:var(--gold);
  box-shadow:0 0 18px rgba(242,200,121,.45);
}
.btn-secondary{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-secondary:hover{
  background:rgba(255,255,255,.1);color:var(--primary);
  box-shadow:0 0 16px rgba(90,200,232,.25);
}
.btn-block{display:flex;width:100%;justify-content:center}
.btn-header{padding:10px 22px}
.btn-lg{padding:16px 36px;font-size:16px}

/* ---------- Badge & Tag ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:500;
  background:rgba(90,200,232,.12);
  color:var(--primary);
  border:1px solid rgba(90,200,232,.35);
}
.badge-gold{
  background:rgba(242,200,121,.12);
  color:var(--gold);
  border-color:rgba(242,200,121,.4);
}
.badge-accent{
  background:rgba(154,140,255,.12);
  color:var(--accent);
  border-color:rgba(154,140,255,.35);
}
.pill{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:13px;color:var(--primary);
  background:rgba(90,200,232,.08);
  border:1px solid rgba(90,200,232,.25);
}

/* ---------- Header ---------- */
.site-header{
  position:relative;width:100%;z-index:50;
  background:rgba(11,15,26,.96);
  border-bottom:1px solid var(--line);
}
.header-top{
  display:flex;align-items:center;gap:20px;
  padding:18px 0;
}
.brand{
  display:flex;align-items:center;gap:10px;
  color:var(--text);font-size:24px;font-weight:800;
  letter-spacing:1px;
}
.brand:hover{color:var(--text)}
.brand-star{color:var(--gold);font-size:22px;filter:drop-shadow(0 0 6px rgba(242,200,121,.35))}
.header-search{flex:1;max-width:440px;margin-left:auto}
.search-form{
  display:flex;align-items:center;gap:10px;
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;transition:border-color .3s,box-shadow .3s;
}
.search-form:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(90,200,232,.18);
}
.search-icon{color:var(--text-3);font-size:14px}
.search-form input{
  flex:1;background:transparent;border:none;outline:none;
  color:var(--text);font-size:14px;
}
.search-form input::placeholder{color:var(--text-3)}
.btn-header{margin-left:auto}
.nav-tabs-wrap{
  border-top:1px solid rgba(36,49,77,.6);
  position:relative;
}
.nav-tabs{
  display:flex;gap:4px;padding:8px 0;
  overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tabs a{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 22px;border-radius:999px;
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:all .25s ease;
}
.nav-tabs a:hover{color:var(--primary);background:rgba(90,200,232,.08)}
.nav-tabs a.active{
  color:#07121C;background:var(--primary);
  font-weight:600;box-shadow:0 0 14px rgba(90,200,232,.35);
}
.nav-tabs a.active:hover{color:#07121C}

/* Header scrolled */
.site-header.is-scrolled{
  position:sticky;top:0;
  background:rgba(11,15,26,.92);
  box-shadow:0 8px 30px rgba(0,0,0,.22);
  transition:background .3s ease,box-shadow .3s ease;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--text-3);
  padding:18px 0 0;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb-sep{color:var(--text-3)}

/* ---------- Article Hero ---------- */
.article-hero{
  position:relative;
  background-repeat:no-repeat;background-position:center;background-size:cover;
  padding-bottom:56px;
  border-bottom:1px solid var(--line);
}
.article-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,16,.72),rgba(11,15,26,.92));
}
.article-hero .container{position:relative;z-index:2}
.article-hero-content{
  max-width:860px;margin:0 auto;
  text-align:center;padding:64px 0 0;
}
.article-h1{
  font-size:38px;line-height:1.3;font-weight:800;
  color:var(--text);margin:20px 0 20px;
  letter-spacing:.5px;
}
.article-meta{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px 24px;
  color:var(--text-2);font-size:14px;
}
.article-meta i{color:var(--gold);margin-right:6px}

/* ---------- Article Main ---------- */
.article-section{padding:72px 0 80px}
.article-main{}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:40px 44px;
  box-shadow:var(--shadow);
}
.article-body{
  max-width:760px;
  margin:0 auto;
  color:#DCE4F1;
  font-size:16px;
  line-height:1.85;
}
.article-body>h2{
  font-size:27px;color:var(--text);margin:2em 0 .9em;
  padding-left:16px;border-left:4px solid var(--gold);
  line-height:1.4;
}
.article-body>h3{
  font-size:21px;color:var(--text);margin:1.8em 0 .8em;
}
.article-body>p{margin:0 0 1.5em}
.article-body>p strong{color:var(--primary);font-weight:600}
.article-body blockquote{
  margin:1.8em 0;padding:22px 28px;
  background:#0C1220;border-left:4px solid var(--gold);
  border-radius:0 10px 10px 0;
  color:var(--text-2);font-size:15px;line-height:1.75;
}
.article-body blockquote p{margin-bottom:8px}
.article-body ul,.article-body ol{
  margin:0 0 1.5em;padding-left:1.6em;
}
.article-body li{margin-bottom:.5em}
.article-body a{
  color:var(--primary);text-decoration:underline;
  text-underline-offset:4px;
}
.article-body a:hover{color:var(--gold)}
.article-body img{
  border-radius:12px;border:1px solid var(--line);
  margin:1.8em 0;width:100%;
}
.article-body figcaption{
  text-align:center;color:var(--text-3);font-size:13px;
  margin-top:-1.2em;margin-bottom:2em;
}
.article-body code{
  background:#0C1220;border:1px solid var(--line);
  padding:2px 10px;border-radius:6px;
  font-size:14px;color:var(--gold);
}
.article-body pre{
  background:#0C1220;border:1px solid var(--line);
  border-radius:10px;padding:20px 24px;
  overflow-x:auto;margin:1.8em 0;
}
.article-body pre code{background:none;border:none;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:14px}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 16px;text-align:left;
}
.article-body th{background:#0E1526;color:var(--text);font-weight:600}

/* Empty state */
.article-empty{
  text-align:center;padding:60px 24px;
}
.article-empty .empty-star{
  display:inline-flex;align-items:center;justify-content:center;
  width:64px;height:64px;border-radius:50%;
  background:rgba(90,200,232,.12);
  border:1px solid rgba(90,200,232,.3);
  color:var(--primary);font-size:26px;
  margin-bottom:20px;
}
.article-empty h2{font-size:24px;color:var(--text);font-weight:700;margin-bottom:10px}
.article-empty p{color:var(--text-2);margin-bottom:24px}
.article-empty .btn{display:inline-flex}

/* ---------- Sidebar ---------- */
.article-side{
  display:flex;flex-direction:column;gap:24px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 26px;
  transition:border-color .3s,box-shadow .3s;
}
.side-card:hover{
  border-color:rgba(90,200,232,.35);
  box-shadow:var(--shadow);
}
.side-card-title{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--text);
  margin-bottom:18px;
}
.side-card-title i{color:var(--gold);width:22px;text-align:center}
.side-card-list{list-style:none;padding:0;margin:0}
.side-card-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px solid rgba(36,49,77,.5);
  font-size:14px;color:var(--text-2);
}
.side-card-list li:last-child{border-bottom:none}
.side-card-list strong{color:var(--text);font-weight:600;min-width:56px}
.side-card-text{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.side-cat-list{list-style:none;padding:0;margin:0}
.side-cat-list li{margin-bottom:10px}
.side-cat-list a{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 16px;border-radius:10px;
  background:rgba(11,15,26,.55);
  border:1px solid rgba(36,49,77,.6);
  color:var(--text-2);font-size:14px;transition:all .25s ease;
}
.side-cat-list a:hover{
  color:var(--primary);border-color:rgba(90,200,232,.4);
  background:rgba(90,200,232,.06);
}
.side-cat-list i{color:var(--primary);font-size:13px}
.side-card-note{
  font-size:13px;color:var(--text-3);
  padding-top:14px;margin-top:14px;
  border-top:1px dashed rgba(36,49,77,.7);
}

/* ---------- CTA Band ---------- */
.cta-band{
  position:relative;
  background-repeat:no-repeat;background-position:center;background-size:cover;
  padding:96px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,8,16,.92),rgba(11,15,26,.75));
}
.cta-inner{position:relative;z-index:2;max-width:720px}
.cta-inner h2{font-size:34px;line-height:1.35;color:var(--text);font-weight:800;margin-bottom:18px}
.cta-inner h2 span{color:var(--gold)}
.cta-inner p{font-size:16px;color:var(--text-2);line-height:1.8;margin-bottom:30px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Related ---------- */
.related-section{padding:80px 0 90px}
.related-header{
  display:flex;justify-content:space-between;align-items:flex-end;
  margin-bottom:34px;
}
.related-header h2{font-size:30px;font-weight:800;color:var(--text)}
.related-header .related-desc{color:var(--text-3);font-size:14px}
.related-grid .columns{margin-bottom:10px}
.article-card-small{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;flex-direction:column;height:100%;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.article-card-small:hover{
  transform:translateY(-4px);
  border-color:rgba(90,200,232,.45);
  box-shadow:var(--shadow-lg);
}
.article-card-small .cover{
  aspect-ratio:4/3;overflow:hidden;
}
.article-card-small .cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.article-card-small:hover .cover img{transform:scale(1.05)}
.card-pad{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.card-head .pill{font-size:12px}
.card-head time{font-size:13px;color:var(--text-3)}
.article-card-small h3{font-size:17px;line-height:1.5;font-weight:700;margin-bottom:10px}
.article-card-small h3 a{color:var(--text)}
.article-card-small h3 a:hover{color:var(--primary)}
.article-card-small .summary{
  font-size:14px;color:var(--text-2);line-height:1.7;
  margin-bottom:18px;flex:1;
}
.card-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--primary);
}
.card-link i{transition:transform .3s}
.card-link:hover i{transform:translateX(4px)}
.card-link:hover{color:var(--gold)}

/* ---------- Footer ---------- */
.site-footer{background:#070A12;border-top:1px solid #1C2740;padding-top:64px}
.footer-top{padding-bottom:44px}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:22px;font-weight:800;color:var(--text);
  margin-bottom:16px;
}
.footer-brand i{color:var(--gold);font-size:19px}
.footer-about{color:var(--text-3);font-size:14px;line-height:1.8;max-width:280px}
.site-footer h4{
  font-size:16px;font-weight:600;color:var(--text);
  margin-bottom:16px;
}
.footer-links,.footer-contact{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-2);font-size:14px}
.footer-links a:hover{color:var(--primary)}
.footer-contact li{
  color:var(--text-2);font-size:14px;
  display:flex;align-items:center;gap:10px;margin-bottom:12px;
}
.footer-contact i{color:var(--primary);width:18px;text-align:center}
.footer-bottom{
  border-top:1px solid #1C2740;
  padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;
}
.footer-copyright{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;
  color:var(--text-3);font-size:13px;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .article-side{flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 280px}
}
@media (max-width:768px){
  :root{--sp:64px}
  .header-top{gap:12px;flex-wrap:wrap}
  .header-search{max-width:100%;order:3;flex-basis:100%}
  .brand{font-size:20px}
  .btn-header{padding:9px 16px;font-size:14px}
  .article-hero-content{padding-top:36px}
  .article-h1{font-size:30px}
  .article-section{padding:48px 0 60px}
  .article-card{padding:26px 20px}
  .article-body{font-size:15px}
  .article-body>h2{font-size:23px}
  .article-body>h3{font-size:19px}
  .cta-band{padding:68px 0}
  .cta-inner h2{font-size:27px}
  .related-header{flex-direction:column;align-items:flex-start;gap:8px}
  .related-header h2{font-size:25px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .nav-tabs a{padding:8px 16px;font-size:14px}
}
@media (max-width:520px){
  .header-top{padding:14px 0}
  .brand{font-size:18px}
  .brand-star{font-size:18px}
  .article-card{padding:22px 16px}
  .article-h1{font-size:26px}
  .article-meta{gap:8px 16px;font-size:13px}
  .article-body blockquote{padding:18px 20px;font-size:14px}
}

/* roulang page: category3 */
:root {
    --bg-page: #0B0F1A;
    --bg-card: #131A2C;
    --bg-input: #0E1526;
    --bg-footer: #070A12;
    --primary: #5AC8E8;
    --secondary: #9A8CFF;
    --accent: #F2C879;
    --text-main: #F2F6FC;
    --text-sub: #A5B3CC;
    --text-weak: #6C7E9E;
    --border: #24314D;
    --border-light: #2A3A5E;
    --shadow-card: 0 8px 30px rgba(0,0,0,.25);
    --shadow-hover: 0 16px 40px rgba(0,0,0,.35);
    --radius-card: 14px;
    --radius-btn: 8px;
    --radius-tag: 999px;
    --space-section: 100px;
    --font-stack: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-stack);
    background: var(--bg-page);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  ul, ol { list-style: none; }
  a {
    color: var(--primary);
    text-decoration: none;
    transition: color .3s ease;
  }
  a:hover { color: var(--accent); }
  button { font-family: inherit; border: none; background: none; cursor: pointer; }
  input, select, textarea { font-family: inherit; }
  :focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

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

  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11,15,26,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--text-main);
    white-space: nowrap;
  }
  .brand-star { color: var(--accent); font-size: 20px; }
  .header-search { flex: 1; max-width: 420px; }
  .search-form { position: relative; }
  .search-form .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-weak);
    font-size: 14px;
  }
  .search-form input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-btn);
    padding: 9px 16px 9px 38px;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    transition: border-color .3s, box-shadow .3s;
  }
  .search-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(90,200,232,.15);
  }
  .search-form input::placeholder { color: var(--text-weak); }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    padding: 13px 28px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    cursor: pointer;
    transition: all .3s ease;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--primary);
    color: #0A1220;
  }
  .btn-primary:hover {
    background: var(--accent);
    color: #141828;
    box-shadow: 0 0 18px rgba(242,200,121,.4);
    transform: translateY(-1px);
  }
  .btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
  }
  .btn-outline:hover {
    background: rgba(255,255,255,.1);
    color: #fff;
    box-shadow: 0 0 12px rgba(90,200,232,.3);
    transform: translateY(-1px);
  }
  .btn-header { padding: 9px 20px; font-size: 14px; }

  .nav-tabs-wrap { position: relative; overflow: hidden; }
  .nav-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 0 12px;
  }
  .nav-tabs::-webkit-scrollbar { display: none; }
  .nav-tabs a {
    flex: 0 0 auto;
    padding: 9px 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-sub);
    border: 1px solid transparent;
    transition: all .3s ease;
  }
  .nav-tabs a:hover {
    color: var(--primary);
    border-color: var(--border-light);
  }
  .nav-tabs a.active {
    background: rgba(90,200,232,.12);
    color: var(--primary);
    border-color: rgba(90,200,232,.35);
  }

  .hero {
    position: relative;
    min-height: 72vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 110px 0;
    background-size: cover;
    background-position: center;
  }
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(5,8,16,.65);
  }
  .hero .container { position: relative; z-index: 2; }
  .hero-crumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-sub);
    background: rgba(11,15,26,.5);
    border: 1px solid var(--border);
    backdrop-filter: blur(6px);
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 22px;
  }
  .hero-crumb a { color: var(--primary); }
  .hero-crumb a:hover { color: var(--accent); }
  .hero h1 {
    font-size: 46px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 18px;
    letter-spacing: 1px;
  }
  .hero p {
    font-size: 18px;
    color: var(--text-sub);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.8;
  }
  .hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .section { padding: var(--space-section) 0; }
  .section-alt { background: #0D1322; }
  .section-head {
    text-align: center;
    max-width: 740px;
    margin: 0 auto 52px;
  }
  .section-head .label {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 10px;
  }
  .section-head h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
    line-height: 1.3;
  }
  .section-head p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.8;
  }

  .card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 26px;
    transition: transform .3s, box-shadow .3s, border-color .3s;
    height: 100%;
  }
  .card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: var(--shadow-hover), 0 0 24px rgba(90,200,232,.1);
  }

  .icon-card { text-align: left; }
  .icon-card .icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(90,200,232,.1);
    border: 1px solid rgba(90,200,232,.25);
    color: var(--primary);
    font-size: 24px;
    margin-bottom: 18px;
    transition: all .3s ease;
  }
  .icon-card:hover .icon {
    background: rgba(154,140,255,.12);
    border-color: rgba(154,140,255,.4);
    color: var(--secondary);
  }
  .icon-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
  .icon-card p { color: var(--text-sub); font-size: 14px; line-height: 1.7; }

  .pricing-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: all .3s ease;
    box-shadow: var(--shadow-card);
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  .pricing-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
  }
  .pricing-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(242,200,121,.12);
  }
  .pricing-card.featured:hover {
    border-color: var(--accent);
    box-shadow: 0 0 40px rgba(242,200,121,.18), var(--shadow-hover);
  }
  .pricing-card .cover {
    position: relative;
    height: 150px;
    overflow: hidden;
  }
  .pricing-card .cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }
  .pricing-card:hover .cover img { transform: scale(1.04); }
  .pricing-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent);
    color: #141828;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(0,0,0,.3);
    z-index: 2;
  }
  .pricing-body {
    padding: 24px 26px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .pricing-name { font-size: 19px; font-weight: 800; }
  .pricing-price {
    font-size: 30px;
    font-weight: 800;
    color: var(--accent);
    margin: 8px 0 4px;
    font-variant-numeric: tabular-nums;
  }
  .pricing-price small { font-size: 13px; color: var(--text-weak); font-weight: 400; }
  .pricing-desc { color: var(--text-weak); font-size: 13px; margin-bottom: 14px; }
  .pricing-list { margin: 14px 0 22px; flex: 1; }
  .pricing-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 6px 0;
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.6;
  }
  .pricing-list li i { color: var(--primary); margin-top: 4px; font-size: 13px; }
  .pricing-list li.dim i { color: var(--text-weak); }

  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
  }
  .step-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px 22px;
    text-align: center;
    transition: all .3s ease;
    box-shadow: var(--shadow-card);
  }
  .step-card:hover {
    border-color: var(--secondary);
    transform: translateY(-2px);
  }
  .step-card:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 54px;
    right: -12px;
    width: 24px;
    height: 1px;
    background: var(--border-light);
  }
  .step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(154,140,255,.1);
    border: 1px solid rgba(154,140,255,.35);
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 17px;
    margin: 0 auto 18px;
    transition: all .3s ease;
  }
  .step-card:hover .step-num {
    background: rgba(154,140,255,.2);
    border-color: var(--secondary);
  }
  .step-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
  .step-card p { color: var(--text-sub); font-size: 14px; line-height: 1.7; }

  .accordion { background: transparent; }
  .accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .3s;
  }
  .accordion-item.is-active { border-color: rgba(90,200,232,.4); }
  .accordion-title {
    display: flex;
    align-items: center;
    background: transparent !important;
    color: var(--text-main) !important;
    font-size: 15px;
    font-weight: 700;
    padding: 20px 24px;
    position: relative;
    border: none !important;
    transition: background .3s;
  }
  .accordion-title:hover { background: rgba(90,200,232,.05) !important; }
  .accordion-title::before { content: none !important; }
  .accordion-title i {
    margin-left: auto;
    padding-left: 14px;
    color: var(--secondary);
    transition: transform .3s;
    font-size: 14px;
  }
  .accordion-item.is-active .accordion-title i { transform: rotate(180deg); }
  .accordion-title:focus { outline: 2px solid rgba(90,200,232,.6); outline-offset: -2px; }
  .accordion-content {
    background: transparent !important;
    border: none !important;
    padding: 0 24px 22px !important;
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.8;
  }
  .accordion-content p { margin-bottom: 0; }

  .contact-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px 36px;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-card);
  }
  .contact-bar h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
  .contact-bar p { color: var(--text-sub); font-size: 14px; }
  .contact-bar .mail { color: var(--primary); font-weight: 600; }

  .form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 36px;
    box-shadow: var(--shadow-card);
  }
  .form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .form-grid .full-width { grid-column: span 3; }
  .form-group label {
    display: block;
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 8px;
    font-weight: 600;
  }
  .form-group label .required { color: var(--accent); margin-left: 2px; }
  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-btn);
    padding: 12px 16px;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    transition: border-color .3s, box-shadow .3s;
  }
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(90,200,232,.15);
  }
  .form-group input::placeholder,
  .form-group textarea::placeholder { color: var(--text-weak); }
  .form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236C7E9E' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
  }
  .form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 26px;
    flex-wrap: wrap;
  }
  .form-success {
    background: rgba(90,200,232,.08);
    border: 1px solid rgba(90,200,232,.35);
    color: var(--primary);
    border-radius: var(--radius-btn);
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 600;
    display: none;
    align-items: center;
    gap: 8px;
  }
  .form-success.show { display: inline-flex; }

  .cta-band {
    position: relative;
    padding: 90px 0;
    background-size: cover;
    background-position: center;
    text-align: center;
  }
  .cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(5,8,16,.72);
  }
  .cta-band .container { position: relative; z-index: 2; }
  .cta-band h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
  }
  .cta-band p {
    color: var(--text-sub);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto 28px;
    line-height: 1.8;
  }

  .site-footer {
    background: var(--bg-footer);
    border-top: 1px solid #1C2740;
    padding-top: 60px;
  }
  .footer-top { padding-bottom: 40px; border-bottom: 1px solid #1C2740; }
  .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--text-main);
  }
  .footer-brand i { color: var(--accent); font-size: 18px; }
  .footer-about {
    color: var(--text-weak);
    font-size: 14px;
    max-width: 280px;
    line-height: 1.7;
  }
  .site-footer h4 {
    font-size: 15px;
    color: var(--text-main);
    font-weight: 700;
    margin-bottom: 16px;
  }
  .footer-links li { margin-bottom: 10px; }
  .footer-links a { color: var(--text-sub); font-size: 14px; transition: color .3s; }
  .footer-links a:hover { color: var(--primary); }
  .footer-contact li {
    display: flex;
    gap: 10px;
    align-items: center;
    color: var(--text-sub);
    font-size: 14px;
    margin-bottom: 10px;
  }
  .footer-contact i { color: var(--secondary); width: 18px; text-align: center; }
  .footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--text-weak);
    font-size: 13px;
  }

  @media (max-width: 1023px) {
    :root { --space-section: 80px; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .step-card:not(:last-child)::after { display: none; }
    .form-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid .full-width { grid-column: span 2; }
    .hero h1 { font-size: 38px; }
  }

  @media (max-width: 767px) {
    .header-top { flex-wrap: wrap; gap: 12px; }
    .header-search { order: 3; max-width: none; width: 100%; }
    .hero { min-height: 60vh; padding: 80px 0; }
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .section-head h2 { font-size: 28px; }
    .cta-band h2 { font-size: 28px; }
    .pricing-card.featured { transform: none; }
    .form-card { padding: 26px; }
  }

  @media (max-width: 639px) {
    :root { --space-section: 64px; }
    .steps-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-grid .full-width { grid-column: span 1; }
    .hero-actions .btn { flex: 1; }
    .brand { font-size: 19px; }
    .nav-tabs a { padding: 8px 18px; font-size: 13px; }
    .contact-bar { padding: 22px; }
    .footer-bottom { flex-direction: column; }
    .footer-bottom span { display: block; }
  }

/* roulang page: category2 */
:root {
  --bg: #0B0F1A;
  --bg-deep: #070A12;
  --card-bg: #131A2C;
  --card-bg-2: #182136;
  --input-bg: #0E1526;
  --primary: #5AC8E8;
  --primary-glow: rgba(90, 200, 232, 0.35);
  --secondary: #9A8CFF;
  --accent: #F2C879;
  --text-main: #F2F6FC;
  --text-secondary: #A5B3CC;
  --text-muted: #6C7E9E;
  --border: #24314D;
  --input-border: #2A3A5E;
  --radius-card: 14px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.25);
  --shadow-hover: 0 14px 40px rgba(0,0,0,0.36), 0 0 0 1px rgba(90,200,232,0.35);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", 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-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(90,200,232,0.22);
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.row { max-width: 1200px; margin: 0 auto; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .3s ease;
  letter-spacing: .02em;
}
.btn-primary {
  background: var(--primary);
  color: #0B0F1A;
  box-shadow: 0 4px 18px rgba(90,200,232,0.28);
}
.btn-primary:hover {
  background: var(--accent);
  color: #0B0F1A;
  box-shadow: 0 0 18px rgba(242,200,121,0.45);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 16px rgba(90,200,232,0.3);
  transform: translateY(-2px);
}
.btn-outline:active { transform: translateY(0); }
.btn-header { padding: 10px 22px; font-size: 14px; }

/* ========== 标签 ========== */
.pill {
  display: inline-block;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--radius-pill);
  background: rgba(90,200,232,0.12);
  color: var(--primary);
  border: 1px solid rgba(90,200,232,0.35);
  white-space: nowrap;
}

/* ========== 站点头部 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,15,26,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: .02em;
  flex-shrink: 0;
}
.brand:hover { color: var(--primary); }
.brand-star {
  color: var(--accent);
  font-size: 20px;
  filter: drop-shadow(0 0 8px rgba(242,200,121,0.5));
}
.header-search {
  flex: 1;
  max-width: 420px;
  margin: 0 auto;
}
.search-form {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}
.search-form input[type="search"] {
  width: 100%;
  padding: 10px 16px 10px 40px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-btn);
  color: var(--text-main);
  font-size: 14px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.search-form input[type="search"]::placeholder { color: var(--text-muted); }
.search-form input[type="search"]:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(90,200,232,0.22);
}

/* 频道导航 */
.nav-tabs-wrap {
  position: relative;
  border-top: 1px solid rgba(36,49,77,0.5);
  overflow: hidden;
}
.nav-tabs {
  display: flex;
  gap: 8px;
  padding: 10px 0;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tabs a {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: all .25s ease;
  flex-shrink: 0;
}
.nav-tabs a:hover { color: var(--primary); background: rgba(90,200,232,0.08); }
.nav-tabs a.active {
  background: rgba(90,200,232,0.14);
  border-color: rgba(90,200,232,0.4);
  color: var(--primary);
}
.nav-tabs-wrap::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 40px;
  background: linear-gradient(to left, rgba(11,15,26,1), rgba(11,15,26,0));
  pointer-events: none;
}

/* ========== Hero ========== */
.speaker-hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 96px 0 88px;
  overflow: hidden;
}
.speaker-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(5,8,16,0.65);
  z-index: 1;
}
.speaker-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 20% 25%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 45% 70%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 62% 18%, rgba(255,255,255,0.55), transparent),
    radial-gradient(2px 2px at 78% 55%, rgba(255,255,255,0.45), transparent),
    radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.4), transparent);
  background-size: 220px 160px;
  z-index: 1;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(242,200,121,0.1);
  border: 1px solid rgba(242,200,121,0.25);
  border-radius: var(--radius-pill);
  margin-bottom: 22px;
}
.hero-inner h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 18px;
  color: var(--text-main);
  letter-spacing: .02em;
}
.hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 30px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-secondary);
}
.hero-meta i { margin-right: 6px; color: var(--primary); }

/* ========== 数据栏 ========== */
.stats-section {
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
}
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 26px 20px;
  text-align: center;
  margin-bottom: 24px;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(90,200,232,0.4);
  box-shadow: var(--shadow-hover);
}
.stat-num {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
  letter-spacing: -.02em;
}
.stat-label { font-size: 14px; color: var(--text-secondary); }

/* ========== 嘉宾区 ========== */
.speakers-section {
  padding: 96px 0;
  background: var(--bg);
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  padding: 6px 16px;
  border: 1px solid rgba(154,140,255,0.3);
  background: rgba(154,140,255,0.08);
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0 0 12px;
  letter-spacing: .01em;
}
.section-head p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}
.speaker-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 8px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all .25s ease;
}
.filter-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(90,200,232,0.08);
}
.filter-btn.active {
  color: var(--primary);
  border-color: rgba(90,200,232,0.4);
  background: rgba(90,200,232,0.14);
}
.speaker-card {
  margin-bottom: 28px;
}
.speaker-card.is-hidden { display: none; }
.speaker-card-inner {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 22px 24px;
  height: 100%;
  text-align: center;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
  display: flex;
  flex-direction: column;
}
.speaker-card-inner:hover {
  transform: translateY(-4px);
  border-color: rgba(90,200,232,0.45);
  box-shadow: var(--shadow-hover);
}
.speaker-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin: 0 auto 18px;
  overflow: hidden;
  border: 2px solid rgba(90,200,232,0.4);
  box-shadow: 0 0 0 5px rgba(90,200,232,0.1), 0 0 24px rgba(90,200,232,0.12);
  flex-shrink: 0;
}
.speaker-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.speaker-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 4px;
  line-height: 1.3;
}
.speaker-org {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 14px;
  line-height: 1.5;
}
.speaker-tags {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.speaker-tags .pill { font-size: 12px; padding: 4px 12px; }
.speaker-bio {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

/* ========== 议题区块 ========== */
.topics-section {
  padding: 96px 0;
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.topic-card {
  background: linear-gradient(135deg, #131A2C 0%, #1A2238 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 26px;
  height: 100%;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.topic-card:hover {
  transform: translateY(-3px);
  border-color: rgba(154,140,255,0.35);
  box-shadow: 0 12px 36px rgba(0,0,0,0.3);
}
.topic-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(154,140,255,0.14);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}
.topic-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 10px;
  line-height: 1.4;
}
.topic-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

/* ========== 邀约理由 ========== */
.why-section {
  padding: 96px 0;
  background: var(--bg);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-item {
  text-align: center;
  padding: 32px 22px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  transition: transform .3s ease, border-color .3s ease;
}
.why-item:hover {
  transform: translateY(-4px);
  border-color: rgba(242,200,121,0.35);
}
.why-icon {
  font-size: 26px;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}
.why-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 8px;
}
.why-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}
@media (max-width: 1023.98px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 519.98px) {
  .why-grid { grid-template-columns: 1fr; }
}

/* ========== CTA / 报名 ========== */
.cta-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  padding: 96px 0;
  border-top: 1px solid var(--border);
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(5,8,16,0.78);
}
.cta-section .container { position: relative; z-index: 2; }
.cta-intro h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0 0 16px;
  line-height: 1.3;
}
.cta-intro p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin: 0 0 28px;
}
.cta-points {
  list-style: none;
  padding: 0;
  margin: 0;
}
.cta-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.cta-points i { color: var(--primary); width: 18px; text-align: center; flex-shrink: 0; }

.cta-form-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 36px 32px;
  position: relative;
}
.form-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: var(--accent);
  color: #0B0F1A;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(242,200,121,0.35);
}
.cta-form-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 24px;
}
.form-label {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}
.form-label .req { color: var(--accent); margin-left: 2px; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-btn);
  color: var(--text-main);
  font-size: 15px;
  transition: border-color .25s ease, box-shadow .25s ease;
  margin-bottom: 20px;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(90,200,232,0.22);
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23A5B3CC' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-submit {
  width: 100%;
  margin-top: 4px;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 96px 0;
  background: var(--bg);
}
.faq-accordion {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}
.faq-accordion .accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s ease;
}
.faq-accordion .accordion-item:hover {
  border-color: rgba(90,200,232,0.3);
}
.faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  background: transparent;
  border: none;
  line-height: 1.5;
  position: relative;
  cursor: pointer;
}
.faq-accordion .accordion-title::before {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--secondary);
  order: 2;
  flex-shrink: 0;
  transition: transform .3s ease;
  border: none;
  background: transparent;
}
.faq-accordion .accordion-item.is-active .accordion-title::before {
  transform: rotate(180deg);
}
.faq-accordion .accordion-content {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  background: transparent;
  border: none;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid #1C2740;
  padding: 64px 0 0;
}
.footer-top {
  padding-bottom: 40px;
  border-bottom: 1px solid #1C2740;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-brand i {
  color: var(--accent);
  font-size: 18px;
}
.footer-about {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 320px;
  margin-bottom: 0;
}
.site-footer h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 18px;
}
.footer-links,
.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color .25s ease;
}
.footer-links a:hover { color: var(--primary); }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.footer-contact i {
  color: var(--primary);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}
.footer-bottom {
  padding: 20px 0;
}
.footer-copyright {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

/* ========== 响应式 ========== */
@media (max-width: 1023.98px) {
  .speakers-section,
  .topics-section,
  .why-section,
  .faq-section,
  .cta-section {
    padding: 72px 0;
  }
  .hero-inner { padding: 40px 0; }
  .hero-inner h1 { font-size: 38px; }
  .stat-num { font-size: 32px; }
}

@media (max-width: 767.98px) {
  .container { padding: 0 18px; }
  .header-search { display: none; }
  .header-top { flex-wrap: wrap; gap: 12px; }
  .brand { font-size: 19px; }
  .btn-header { font-size: 13px; padding: 9px 18px; }
  .hero-inner { padding: 32px 0; }
  .hero-inner h1 { font-size: 30px; }
  .hero-subtitle { font-size: 15px; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn { width: 100%; }
  .section-head h2 { font-size: 26px; }
  .speakers-section,
  .topics-section,
  .why-section,
  .faq-section,
  .cta-section {
    padding: 60px 0;
  }
  .footer-bottom { padding: 16px 0; }
  .footer-copyright { flex-direction: column; text-align: center; }
}

@media (max-width: 519.98px) {
  .hero-meta {
    gap: 12px;
    flex-direction: column;
    align-items: center;
  }
  .speaker-filter { gap: 8px; }
  .filter-btn { padding: 7px 16px; font-size: 13px; }
  .cta-form-card { padding: 28px 20px; }
  .faq-accordion .accordion-title { font-size: 15px; padding: 18px 18px; }
  .faq-accordion .accordion-content { padding: 0 18px 20px; font-size: 14px; }
}