/* roulang page: index */
:root {
    --primary: #38BDF8;
    --secondary: #34D399;
    --accent: #F59E0B;
    --bg-dark: #070D1A;
    --bg-deep: #050A14;
    --bg-card: #0B1120;
    --text-main: #E2E8F0;
    --text-muted: rgba(255,255,255,0.55);
    --text-dim: rgba(255,255,255,0.35);
    --glass-bg: rgba(255,255,255,0.06);
    --glass-border: rgba(255,255,255,0.12);
    --glass-hover: rgba(255,255,255,0.10);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 12px 32px rgba(2,10,25,0.4);
    --shadow-btn: 0 0 16px rgba(56,189,248,0.5), 0 4px 24px rgba(52,211,153,0.3);
    --transition: all 0.3s ease;
    --section-pad: 96px 0;
    --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { font-family: var(--font-main); background: var(--bg-dark); color: var(--text-main); font-size: 16px; line-height: 1.8; overflow-x: hidden; }
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--secondary); }
img { max-width: 100%; height: auto; }
ul, ol { padding-left: 1.2rem; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
::selection { background: rgba(56,189,248,0.3); color: #fff; }
.container { max-width: 1160px; padding: 0 20px; }
section { position: relative; }
.section-padding { padding: var(--section-pad); }
.section-label { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--primary); background: rgba(56,189,248,0.08); border: 1px solid rgba(56,189,248,0.2); padding: 4px 16px; border-radius: 30px; margin-bottom: 16px; letter-spacing: 0.5px; }
.section-title { font-size: 30px; font-weight: 700; line-height: 1.3; margin-bottom: 16px; position: relative; }
.section-subtitle { font-size: 16px; color: var(--text-muted); max-width: 640px; margin-bottom: 40px; line-height: 1.8; }
.btn { border-radius: var(--radius-md); padding: 12px 28px; font-weight: 600; font-size: 15px; transition: var(--transition); border: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; letter-spacing: 0.3px; }
.btn-primary-custom { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #06121B; box-shadow: var(--shadow-btn); }
.btn-primary-custom:hover { color: #06121B; transform: translateY(-2px); box-shadow: 0 0 24px rgba(56,189,248,0.7), 0 8px 32px rgba(52,211,153,0.4); }
.btn-primary-custom:active { transform: translateY(0) scale(0.97); }
.btn-outline-custom { background: rgba(255,255,255,0.06); color: #fff; border: 1px solid rgba(255,255,255,0.25); backdrop-filter: blur(10px); }
.btn-outline-custom:hover { border-color: var(--primary); color: var(--primary); background: rgba(56,189,248,0.1); transform: translateY(-2px); }
.btn:focus-visible, .form-control:focus-visible, .navbar-toggler:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.badge { border-radius: 30px; padding: 4px 12px; font-size: 12px; font-weight: 600; letter-spacing: 0.3px; }
.badge-primary { background: rgba(56,189,248,0.15); color: var(--primary); border: 1px solid rgba(56,189,248,0.25); }
.badge-secondary { background: rgba(52,211,153,0.15); color: var(--secondary); border: 1px solid rgba(52,211,153,0.25); }
.badge-accent { background: rgba(245,158,11,0.15); color: var(--accent); border: 1px solid rgba(245,158,11,0.25); }
.glass-card { background: var(--glass-bg); backdrop-filter: blur(14px); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); transition: var(--transition); position: relative; overflow: hidden; }
.glass-card::before { content: ''; position: absolute; top: 0; left: 20px; right: 20px; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent); }
.glass-card:hover { background: var(--glass-hover); transform: translateY(-6px); border-color: rgba(56,189,248,0.35); box-shadow: 0 20px 40px rgba(2,10,25,0.6), 0 0 20px rgba(56,189,248,0.1); }
.header-main { position: fixed; top: 0; left: 0; right: 0; z-index: 1050; padding: 14px 0; background: transparent; transition: var(--transition); }
.header-main.scrolled { background: rgba(7,13,26,0.82); backdrop-filter: blur(16px); padding: 10px 0; box-shadow: 0 1px 0 rgba(255,255,255,0.08); }
.navbar-custom { padding: 0; }
.navbar-brand { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: #fff; }
.navbar-brand:hover { color: var(--primary); }
.brand-icon { display: inline-flex; align-items: flex-end; gap: 2px; width: 30px; height: 24px; }
.brand-icon span { display: block; width: 3px; border-radius: 2px; background: linear-gradient(180deg, var(--primary), var(--secondary)); animation: waveLine 1.4s ease-in-out infinite; }
.brand-icon span:nth-child(1) { height: 8px; animation-delay: 0s; }
.brand-icon span:nth-child(2) { height: 16px; animation-delay: 0.15s; }
.brand-icon span:nth-child(3) { height: 12px; animation-delay: 0.3s; }
.brand-icon span:nth-child(4) { height: 20px; animation-delay: 0.45s; }
.brand-icon span:nth-child(5) { height: 10px; animation-delay: 0.6s; }
@keyframes waveLine { 0%,100% { transform: scaleY(0.5); opacity: 0.7; } 50% { transform: scaleY(1); opacity: 1; } }
.navbar-nav .nav-link { color: rgba(255,255,255,0.75); font-size: 15px; font-weight: 500; padding: 8px 16px; margin: 0 4px; border-radius: 8px; transition: var(--transition); position: relative; }
.navbar-nav .nav-link:hover { color: var(--primary); background: rgba(56,189,248,0.05); }
.navbar-nav .nav-link.active { color: var(--primary); background: rgba(56,189,248,0.08); }
.navbar-nav .nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 16px; right: 16px; height: 2px; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 2px; }
.nav-cta { padding: 8px 24px; font-size: 14px; border-radius: 10px; }
.navbar-toggler { border-color: rgba(255,255,255,0.2); }
.navbar-toggler-icon { background-image: none; position: relative; width: 22px; height: 2px; background: #fff; border-radius: 2px; display: inline-block; transition: var(--transition); }
.navbar-toggler-icon::before, .navbar-toggler-icon::after { content: ''; position: absolute; left: 0; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
.navbar-toggler-icon::before { top: -7px; }
.navbar-toggler-icon::after { top: 7px; }
.hero-section { min-height: 80vh; display: flex; align-items: center; position: relative; padding: 140px 0 100px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; background-attachment: scroll; }
.hero-bg::before { content: ''; position: absolute; inset: 0; background: rgba(7,13,26,0.72); }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 70% 30%, rgba(56,189,248,0.20) 0%, transparent 65%); }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 860px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(56,189,248,0.12); border: 1px solid rgba(56,189,248,0.25); color: var(--primary); border-radius: 30px; padding: 6px 20px; font-size: 13px; font-weight: 500; margin-bottom: 28px; backdrop-filter: blur(6px); }
.hero-badge i { font-size: 12px; }
.hero-title { font-size: 44px; font-weight: 700; line-height: 1.2; margin-bottom: 20px; color: #fff; letter-spacing: 0.5px; }
.hero-title .gradient-text { background: linear-gradient(120deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 18px; color: rgba(255,255,255,0.75); margin-bottom: 36px; line-height: 1.7; max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 6px; color: rgba(255,255,255,0.4); font-size: 12px; }
.hero-scroll i { font-size: 20px; animation: bounceDown 2s infinite; }
@keyframes bounceDown { 0%,100% { transform: translateY(0); opacity: 0.6; } 50% { transform: translateY(8px); opacity: 1; } }
.section-divider { width: 56px; height: 2px; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 2px; margin-bottom: 32px; }
.timeline-section { background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%); position: relative; }
.timeline-dots { position: absolute; top: 0; left: 50%; transform: translateX(-50%); text-align: center; font-size: 12px; color: var(--text-dim); letter-spacing: 12px; line-height: 1; }
.timeline-wrap { position: relative; padding: 20px 0 0; }
.timeline-line { position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary), var(--secondary), transparent); transform: translateX(-50%); }
.timeline-line::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%) rotate(45deg); width: 8px; height: 8px; background: var(--primary); border-radius: 2px; }
.timeline-item { position: relative; display: flex; align-items: center; margin-bottom: 40px; }
.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-dot { position: absolute; left: 50%; transform: translateX(-50%); width: 16px; height: 16px; border-radius: 50%; background: var(--bg-dark); border: 3px solid var(--primary); box-shadow: 0 0 16px rgba(56,189,248,0.5); z-index: 2; }
.timeline-dot::after { content: ''; position: absolute; inset: 3px; border-radius: 50%; background: var(--secondary); opacity: 0.7; }
.timeline-card { width: calc(50% - 48px); padding: 24px 28px; text-align: left; }
.timeline-item:nth-child(odd) .timeline-card { margin-right: auto; }
.timeline-item:nth-child(even) .timeline-card { margin-left: auto; }
.timeline-time { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 4px; letter-spacing: 0.5px; }
.timeline-name { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 6px; }
.timeline-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.highlight-card { padding: 40px 32px; height: 100%; }
.highlight-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 20px; }
.highlight-icon.teal { background: rgba(52,211,153,0.15); color: var(--secondary); }
.highlight-icon.blue { background: rgba(56,189,248,0.15); color: var(--primary); }
.highlight-icon.amber { background: rgba(245,158,11,0.15); color: var(--accent); }
.highlight-title { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.highlight-text { font-size: 15px; color: var(--text-muted); line-height: 1.7; }
.news-section { background: var(--bg-dark); }
.news-list { display: flex; flex-direction: column; gap: 24px; }
.news-card-h { display: flex; gap: 24px; padding: 24px; cursor: pointer; }
.news-cover { flex-shrink: 0; width: 220px; height: 140px; border-radius: var(--radius-md); overflow: hidden; position: relative; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card-h:hover .news-cover img { transform: scale(1.05); }
.news-body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.news-meta .time { font-size: 13px; color: var(--text-dim); }
.news-title { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 8px; line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-title:hover { color: var(--primary); }
.news-excerpt { font-size: 14px; color: var(--text-muted); line-height: 1.7; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin-bottom: 12px; }
.news-link { font-size: 14px; font-weight: 500; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.news-link:hover { gap: 8px; color: var(--secondary); }
.empty-state { min-height: 200px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(255,255,255,0.04); border: 1px dashed rgba(255,255,255,0.15); border-radius: var(--radius-lg); color: var(--text-dim); font-size: 15px; }
.empty-state i { font-size: 36px; margin-bottom: 12px; color: var(--text-dim); }
.tickets-section { background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%); }
.ticket-card { padding: 36px 32px; text-align: center; height: 100%; display: flex; flex-direction: column; }
.ticket-card.featured { border: 1px solid rgba(56,189,248,0.4); box-shadow: 0 0 30px rgba(56,189,248,0.15), var(--shadow-card); transform: scale(1.02); }
.ticket-card.featured::before { background: linear-gradient(90deg, transparent, rgba(56,189,248,0.6), transparent); }
.ticket-card.featured:hover { transform: scale(1.02) translateY(-6px); }
.ticket-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--accent), #FBBF24); color: #1a1202; font-size: 12px; font-weight: 700; padding: 3px 18px; border-radius: 30px; box-shadow: 0 0 20px rgba(245,158,11,0.4); white-space: nowrap; }
.ticket-name { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.ticket-price { font-size: 48px; font-weight: 700; color: #fff; margin-bottom: 20px; line-height: 1; }
.ticket-price small { font-size: 18px; font-weight: 400; color: var(--text-muted); margin-right: 4px; }
.ticket-price .unit { font-size: 14px; color: var(--text-dim); font-weight: 400; }
.ticket-features { list-style: none; padding: 0; margin: 0 0 28px; flex-grow: 1; }
.ticket-features li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-main); padding: 6px 0; text-align: left; }
.ticket-features li i { color: var(--secondary); font-size: 12px; flex-shrink: 0; }
.ticket-features li.not-included { color: var(--text-dim); }
.ticket-features li.not-included i { color: var(--text-dim); opacity: 0.5; }
.register-section { background: var(--bg-card); position: relative; }
.register-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; opacity: 0.25; }
.register-bg::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(7,13,26,0.5) 0%, rgba(7,13,26,0.9) 100%); }
.register-content { position: relative; z-index: 2; }
.register-card { padding: 40px; }
.form-label-custom { font-size: 14px; color: rgba(255,255,255,0.65); font-weight: 500; margin-bottom: 8px; display: block; }
.form-control-custom { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15); border-radius: 10px; color: #fff; padding: 12px 16px; width: 100%; transition: var(--transition); }
.form-control-custom::placeholder { color: rgba(255,255,255,0.3); }
.form-control-custom:focus { background: rgba(255,255,255,0.08); border-color: var(--primary); outline: none; box-shadow: 0 0 0 4px rgba(56,189,248,0.15); color: #fff; }
.form-control-custom.error { border-color: #ef4444; box-shadow: 0 0 0 4px rgba(239,68,68,0.1); }
.form-control-custom.success { border-color: var(--secondary); box-shadow: 0 0 0 4px rgba(52,211,153,0.1); }
select.form-control-custom option { background: var(--bg-card); color: var(--text-main); }
.faq-accordion .accordion-item { background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border); border-radius: var(--radius-md) !important; margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) { border-color: rgba(56,189,248,0.4); }
.faq-accordion .accordion-button { background: transparent; color: #fff; font-size: 16px; font-weight: 500; padding: 18px 20px; box-shadow: none; border-radius: var(--radius-md) !important; }
.faq-accordion .accordion-button::after { color: var(--primary); background-image: none; content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 12px; width: auto; height: auto; }
.faq-accordion .accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
.faq-accordion .accordion-button:not(.collapsed) { background: rgba(56,189,248,0.04); }
.faq-accordion .accordion-body { color: var(--text-muted); font-size: 15px; line-height: 1.7; padding: 0 20px 18px; }
.faq-accordion .accordion-button:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }
.footer-main { background: var(--bg-deep); padding: 70px 0 0; position: relative; }
.footer-main::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(56,189,248,0.5), rgba(52,211,153,0.5), transparent); }
.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 24px; max-width: 280px; }
.footer-title { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 2px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-muted); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--primary); }
.footer-links a i { font-size: 10px; }
.footer-contact li { display: flex; gap: 12px; font-size: 14px; color: var(--text-muted); margin-bottom: 12px; align-items: flex-start; }
.footer-contact i { color: var(--primary); margin-top: 4px; }
.footer-subscribe form { display: flex; gap: 8px; }
.footer-subscribe .form-control-custom { padding: 10px 14px; }
.footer-subscribe .btn { padding: 10px 20px; font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; margin-top: 50px; }
.footer-bottom-text { font-size: 13px; color: var(--text-dim); text-align: center; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 991px) {
    :root { --section-pad: 70px 0; }
    .hero-title { font-size: 36px; }
    .timeline-line { left: 20px; transform: none; }
    .timeline-dot { left: 20px; transform: translateX(-50%); }
    .timeline-item, .timeline-item:nth-child(even), .timeline-item:nth-child(odd) { flex-direction: column; align-items: flex-start; padding-left: 48px; }
    .timeline-card { width: 100%; margin-left: 0 !important; margin-right: 0 !important; }
    .navbar-collapse { background: rgba(7,13,26,0.95); backdrop-filter: blur(16px); border-radius: 0 0 var(--radius-md) var(--radius-md); padding: 16px 20px; margin-top: 12px; border-bottom: 1px solid rgba(255,255,255,0.08); }
    .navbar-nav .nav-link { padding: 12px 16px; }
    .nav-cta { margin-top: 8px; width: 100%; }
    .news-card-h { flex-direction: column; }
    .news-cover { width: 100%; height: 200px; }
    .register-card { padding: 28px; }
}
@media (max-width: 767px) {
    :root { --section-pad: 48px 0; }
    .hero-title { font-size: 30px; }
    .hero-subtitle { font-size: 16px; }
    .hero-actions .btn { width: 100%; margin-bottom: 8px; }
    .section-title { font-size: 26px; }
    .highlight-card { padding: 28px 20px; }
    .ticket-card.featured { transform: none; }
    .ticket-card.featured:hover { transform: translateY(-4px); }
    .footer-bottom-text { font-size: 12px; }
    .footer-subscribe form { flex-direction: column; }
    .footer-subscribe .btn { width: 100%; }
    .hero-scroll { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #38BDF8;
  --primary-rgb: 56, 189, 248;
  --secondary: #34D399;
  --secondary-rgb: 52, 211, 153;
  --accent: #F59E0B;
  --accent-rgb: 245, 158, 11;
  --bg-deep: #070D1A;
  --bg-body: #0B1120;
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-hover: rgba(255, 255, 255, 0.09);
  --border-soft: rgba(255, 255, 255, 0.12);
  --border-light: rgba(255, 255, 255, 0.2);
  --text-title: #F8FAFC;
  --text-body: rgba(255, 255, 255, 0.82);
  --text-muted: rgba(255, 255, 255, 0.55);
  --text-faint: rgba(255, 255, 255, 0.36);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 12px 32px rgba(2, 10, 25, 0.4);
  --shadow-btn: 0 0 16px rgba(56, 189, 248, 0.5), 0 4px 24px rgba(52, 211, 153, 0.3);
  --shadow-primary: 0 6px 24px rgba(56, 189, 248, 0.35);
  --transition: 0.25s ease;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background-color: var(--bg-body);
  background-image: radial-gradient(ellipse 80% 50% at 20% -10%, rgba(56, 189, 248, 0.08), transparent), radial-gradient(ellipse 60% 40% at 90% 10%, rgba(52, 211, 153, 0.06), transparent);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--secondary);
  text-decoration: none;
}

ul, ol {
  margin: 0;
  padding: 0;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-title);
}

p {
  margin: 0 0 1em;
}

/* ===== Bootstrap 覆盖 ===== */
.btn {
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #06121B;
  background: linear-gradient(135deg, #38BDF8, #34D399);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-btn);
  transition: all var(--transition);
}

.btn-primary-custom:hover {
  color: #06121B;
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.7), 0 8px 32px rgba(52, 211, 153, 0.45);
}

.btn-primary-custom:active {
  transform: translateY(0);
  filter: brightness(0.92);
}

.btn-primary-custom:focus-visible,
.btn-outline-custom:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.6);
  outline-offset: 3px;
}

.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

.btn-outline-custom:hover {
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
}

.badge {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 30px;
  letter-spacing: 0.3px;
}

.badge-primary {
  background: rgba(56, 189, 248, 0.16);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--primary);
}

.badge-secondary {
  background: rgba(52, 211, 153, 0.14);
  border: 1px solid rgba(52, 211, 153, 0.32);
  color: var(--secondary);
}

.badge-accent {
  background: rgba(245, 158, 11, 0.16);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--accent);
}

.badge-soft {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.8);
}

/* ===== 容器与通用间距 ===== */
.container {
  max-width: 1280px;
}

.section-padding {
  padding: 90px 0;
}

.section-title-wrap {
  margin-bottom: 48px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 640px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.section-head .section-title {
  margin-bottom: 0;
}

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

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

/* ===== 导航 ===== */
.header-main {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.header-main.is-scrolled {
  background: rgba(7, 13, 26, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-custom {
  padding: 14px 0;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-title) !important;
  letter-spacing: 0.3px;
  padding: 0;
}

.brand-icon {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 26px;
}

.brand-icon span {
  display: block;
  width: 4px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  transition: height 0.3s ease;
}

.brand-icon span:nth-child(1) { height: 12px; }
.brand-icon span:nth-child(2) { height: 22px; }
.brand-icon span:nth-child(3) { height: 8px; }
.brand-icon span:nth-child(4) { height: 18px; }
.brand-icon span:nth-child(5) { height: 14px; }

.navbar-custom .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px !important;
  border-radius: 8px;
  position: relative;
  transition: color var(--transition), background var(--transition);
}

.navbar-custom .navbar-nav .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

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

.navbar-custom .navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.nav-cta {
  padding: 10px 22px;
  font-size: 14px;
  box-shadow: none;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.25);
  border-radius: 8px;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.3);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(11, 17, 32, 0.96);
    backdrop-filter: blur(16px);
    border-radius: 16px;
    border: 1px solid var(--border-soft);
    padding: 20px;
    margin-top: 12px;
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
  }
  .navbar-custom .navbar-nav .nav-link {
    padding: 12px 16px !important;
    font-size: 16px;
  }
  .navbar-custom .navbar-nav .nav-link.active::after {
    left: 16px;
    right: auto;
    width: 24px;
    bottom: 8px;
  }
  .nav-cta {
    margin-top: 16px;
    width: 100%;
  }
}

/* ===== 分类页 Banner ===== */
.category-banner {
  position: relative;
  padding: 180px 0 100px;
  background: linear-gradient(135deg, rgba(7, 13, 26, 0.72), rgba(11, 17, 32, 0.55)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.category-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 20%, rgba(56, 189, 248, 0.16), transparent), radial-gradient(ellipse 40% 60% at 20% 80%, rgba(52, 211, 153, 0.1), transparent);
  pointer-events: none;
}

.category-banner .container {
  position: relative;
  z-index: 2;
}

.category-banner .category-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.category-banner h1 {
  font-size: 44px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  line-height: 1.25;
  max-width: 760px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.category-banner p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 640px;
  margin-bottom: 28px;
  line-height: 1.8;
}

.category-banner .breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
  font-size: 13px;
}

.category-banner .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.6);
}

.category-banner .breadcrumb-item a:hover {
  color: var(--primary);
}

.category-banner .breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.85);
}

.category-banner .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.3);
  content: "/";
  padding: 0 8px;
}

@media (max-width: 767.98px) {
  .category-banner {
    padding: 140px 0 70px;
  }
  .category-banner h1 {
    font-size: 30px;
  }
  .category-banner p {
    font-size: 15px;
  }
}

/* ===== 数据统计带 ===== */
.stats-band {
  padding: 50px 0;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stat-item {
  text-align: center;
  padding: 10px 0;
}

.stat-number {
  font-size: 38px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.2;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

@media (max-width: 767.98px) {
  .stats-band {
    padding: 32px 0;
  }
  .stat-item {
    margin-bottom: 20px;
  }
  .stat-number {
    font-size: 28px;
  }
}

/* ===== 频道内容区 ===== */
.category-content {
  padding: 70px 0 90px;
}

/* ===== 分类卡片 ===== */
.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.6), transparent);
  z-index: 2;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 44px rgba(2, 10, 25, 0.55), 0 0 40px rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.3);
}

.feature-card .feature-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 7;
}

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

.feature-card:hover .feature-media img {
  transform: scale(1.04);
}

.feature-card .feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(7, 13, 26, 0.4));
  pointer-events: none;
}

.feature-card .feature-kicker {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
}

.feature-card .feature-body {
  padding: 26px 28px 28px;
}

.feature-card .feature-body h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.feature-card .feature-body p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

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

/* ===== 资讯卡 ===== */
.info-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.info-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.45), transparent);
  z-index: 2;
  pointer-events: none;
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(2, 10, 25, 0.5), 0 0 32px rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
}

.info-card .info-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

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

.info-card:hover .info-media img {
  transform: scale(1.05);
}

.info-card .info-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
}

.info-card .info-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.info-card .info-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.info-card .info-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  font-size: 13px;
  color: var(--text-muted);
}

.info-card .info-meta .info-time i {
  color: var(--primary);
  margin-right: 4px;
}

.info-card .info-meta .info-cat {
  display: inline-block;
  font-size: 12px;
  padding: 3px 12px;
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--secondary);
  border-radius: 20px;
}

.info-card .info-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 12px;
  transition: color var(--transition), gap var(--transition);
}

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

/* ===== 分页器 ===== */
.pagination-custom {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination-custom .page-item {
  list-style: none;
}

.pagination-custom .page-item .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-soft);
  border-radius: 50px;
  transition: all var(--transition);
}

.pagination-custom .page-item .page-link:hover {
  color: #fff;
  background: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.4);
}

.pagination-custom .page-item.active .page-link {
  color: #06121B;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-color: transparent;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
}

.pagination-custom .page-item.disabled .page-link {
  color: rgba(255, 255, 255, 0.3);
  pointer-events: none;
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.06);
}

/* ===== 侧边栏 ===== */
.sidebar-widget {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 26px;
  margin-bottom: 28px;
  overflow: hidden;
}

.sidebar-widget::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.4), transparent);
}

.sidebar-widget .widget-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-widget .widget-title i {
  color: var(--primary);
  font-size: 16px;
}

.sidebar-widget .widget-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin-left: 4px;
}

.search-form {
  display: flex;
  gap: 8px;
}

.form-control-custom {
  flex: 1;
  padding: 10px 16px;
  font-size: 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.form-control-custom::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-control-custom:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #06121B;
  font-size: 16px;
  cursor: pointer;
  transition: all var(--transition);
}

.search-btn:hover {
  box-shadow: var(--shadow-btn);
  transform: translateY(-1px);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud .tag-item {
  display: inline-block;
  padding: 5px 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  transition: all var(--transition);
}

.tag-cloud .tag-item:hover {
  color: var(--primary);
  border-color: rgba(56, 189, 248, 0.5);
  background: rgba(56, 189, 248, 0.1);
}

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

.latest-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.latest-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.latest-list .latest-num {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(56, 189, 248, 0.12);
  border-radius: 8px;
}

.latest-list .latest-content {
  flex: 1;
  min-width: 0;
}

.latest-list .latest-content a {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  margin-bottom: 2px;
  transition: color var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.latest-list .latest-content a:hover {
  color: var(--primary);
}

.latest-list .latest-date {
  font-size: 12px;
  color: var(--text-faint);
}

.sidebar-cta {
  background: linear-gradient(145deg, rgba(56, 189, 248, 0.12), rgba(52, 211, 153, 0.08));
  border-color: rgba(56, 189, 248, 0.25);
  text-align: center;
}

.sidebar-cta .cta-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  background: rgba(56, 189, 248, 0.12);
  border-radius: 50%;
}

.sidebar-cta h4 {
  font-size: 18px;
  margin-bottom: 8px;
}

.sidebar-cta p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

@media (max-width: 991.98px) {
  .sidebar-wrapper {
    margin-top: 40px;
  }
}

/* ===== CTA 区块 ===== */
.cta-section {
  position: relative;
  padding: 90px 0;
  background: linear-gradient(135deg, rgba(7, 13, 26, 0.82), rgba(11, 17, 32, 0.7)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.cta-box {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
}

.cta-box .cta-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  background: rgba(56, 189, 248, 0.14);
  border-radius: 50%;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.cta-box h2 {
  font-size: 28px;
  margin-bottom: 10px;
}

.cta-box p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.cta-box .btn {
  min-width: 170px;
}

@media (max-width: 575.98px) {
  .cta-box {
    padding: 36px 22px;
  }
  .cta-box h2 {
    font-size: 22px;
  }
  .cta-box .btn {
    width: 100%;
    margin-bottom: 10px;
  }
}

/* ===== FAQ ===== */
.faq-section {
  padding: 90px 0;
  background: var(--bg-body);
}

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

.faq-item {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 24px 30px;
  margin-bottom: 16px;
  transition: all var(--transition);
  cursor: pointer;
}

.faq-item:hover {
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.faq-item.open {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.12);
}

.faq-item .faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
}

.faq-item .faq-num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 50%;
}

.faq-item .faq-question h3 {
  flex: 1;
  font-size: 17px;
  font-weight: 600;
  margin: 0;
}

.faq-item .faq-toggle {
  font-size: 18px;
  color: var(--text-muted);
  transition: all var(--transition);
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-item .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding-left: 50px;
}

.faq-item.open .faq-answer {
  max-height: 180px;
}

.faq-item .faq-answer p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  padding-top: 14px;
  margin: 0;
}

@media (max-width: 575.98px) {
  .faq-item {
    padding: 18px 18px;
  }
  .faq-item .faq-answer {
    padding-left: 0;
  }
}

/* ===== 页脚 ===== */
.footer-main {
  position: relative;
  background: #050A14;
  border-top: 1px solid rgba(56, 189, 248, 0.2);
  padding-top: 64px;
  padding-bottom: 0;
}

.footer-main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition), transform var(--transition);
}

.footer-links li a i {
  font-size: 10px;
  color: var(--primary);
  transition: transform var(--transition);
}

.footer-links li a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-contact {
  padding: 0;
  margin: 0;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 12px;
}

.footer-contact li i {
  color: var(--primary);
  font-size: 14px;
  margin-top: 4px;
}

.footer-subscribe .form-control-custom {
  width: 100%;
}

.footer-subscribe .btn {
  width: 100%;
}

.footer-bottom {
  margin-top: 48px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.footer-bottom-text {
  font-size: 13px;
  color: var(--text-faint);
  margin: 0;
}

.footer-bottom-text .mx-2 {
  color: rgba(255, 255, 255, 0.2);
}

/* ===== 滚动渐入动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ===== 通用工具 ===== */
.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
  .category-banner h1 {
    font-size: 36px;
  }
}

@media (max-width: 991.98px) {
  .section-padding {
    padding: 65px 0;
  }
  .section-title {
    font-size: 26px;
  }
}

@media (max-width: 767.98px) {
  .section-padding {
    padding: 45px 0;
  }
  .section-title {
    font-size: 23px;
  }
  .info-card .info-body h3 {
    font-size: 16px;
  }
  .feature-card .feature-body h3 {
    font-size: 18px;
  }
  .feature-card .feature-body {
    padding: 18px 18px 20px;
  }
  .feature-card .feature-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .category-content {
    padding: 50px 0 60px;
  }
  .faq-section {
    padding: 50px 0;
  }
  .cta-section {
    padding: 50px 0;
  }
}

/* roulang page: article */
:root {
            --primary: #38BDF8;
            --secondary: #34D399;
            --accent: #F59E0B;
            --bg-dark: #070D1A;
            --bg-card: #0B1120;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.12);
            --text-light: #F1F5F9;
            --text-body: #CBD5E1;
            --text-muted: rgba(255, 255, 255, 0.55);
            --radius-lg: 18px;
            --radius-md: 12px;
            --shadow-card: 0 12px 32px rgba(2, 10, 25, 0.4);
            --shadow-primary: 0 0 16px rgba(56, 189, 248, 0.5), 0 4px 24px rgba(52, 211, 153, 0.3);
            --transition: 0.25s ease;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg-dark);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--secondary);
        }

        .container {
            max-width: 1200px;
        }

        .section-spacing {
            padding: 90px 0;
        }

        /* 按钮 */
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #06121B;
            border: none;
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            box-shadow: var(--shadow-primary);
            transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            color: #06121B;
            box-shadow: 0 0 24px rgba(56, 189, 248, 0.65), 0 6px 32px rgba(52, 211, 153, 0.4);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            filter: brightness(0.94);
        }

        .btn-primary-custom:focus-visible {
            outline: 3px solid rgba(56, 189, 248, 0.6);
            outline-offset: 2px;
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: var(--text-light);
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.2);
        }

        .btn-outline-custom:focus-visible {
            outline: 3px solid rgba(56, 189, 248, 0.5);
            outline-offset: 2px;
        }

        /* 徽章 */
        .badge-primary {
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--primary);
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
        }

        .badge-secondary {
            background: rgba(52, 211, 153, 0.12);
            border: 1px solid rgba(52, 211, 153, 0.3);
            color: var(--secondary);
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
        }

        /* 导航 */
        .header-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
            border-bottom: 1px solid transparent;
        }

        .header-main.scrolled {
            background: rgba(7, 13, 26, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom-color: rgba(255, 255, 255, 0.08);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }

        .navbar-custom {
            padding: 16px 0;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-light);
            text-decoration: none;
        }

        .navbar-brand:hover {
            color: var(--text-light);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            width: 28px;
            height: 28px;
        }

        .brand-icon span {
            display: block;
            width: 3px;
            border-radius: 3px;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            animation: soundwave 1.2s ease-in-out infinite alternate;
        }

        .brand-icon span:nth-child(1) {
            height: 8px;
            animation-delay: 0.1s;
        }
        .brand-icon span:nth-child(2) {
            height: 16px;
            animation-delay: 0.2s;
        }
        .brand-icon span:nth-child(3) {
            height: 22px;
            animation-delay: 0.3s;
        }
        .brand-icon span:nth-child(4) {
            height: 14px;
            animation-delay: 0.4s;
        }
        .brand-icon span:nth-child(5) {
            height: 9px;
            animation-delay: 0.5s;
        }

        @keyframes soundwave {
            0% {
                transform: scaleY(0.6);
                opacity: 0.7;
            }
            100% {
                transform: scaleY(1);
                opacity: 1;
            }
        }

        .navbar-custom .nav-link {
            color: var(--text-body);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 18px !important;
            border-radius: 10px;
            transition: color 0.25s ease, background 0.25s ease;
            position: relative;
        }

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

        .navbar-custom .nav-link.active {
            color: var(--primary);
            background: rgba(56, 189, 248, 0.08);
        }

        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 12px;
            border-radius: 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.3);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        /* 面包屑 */
        .breadcrumb-area {
            padding: 120px 0 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 14px 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            margin-bottom: 36px;
        }

        .breadcrumb-custom a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s;
        }

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

        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.25);
        }

        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* 文章标题区 */
        .article-header {
            padding: 30px 0 24px;
        }

        .article-header .category-badge {
            display: inline-block;
            padding: 5px 16px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.3);
            color: var(--primary);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 18px;
        }

        .article-header h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.3;
            margin: 0 0 20px;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: var(--text-muted);
            font-size: 14px;
            align-items: center;
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--primary);
            font-size: 14px;
        }

        .article-meta .meta-author {
            display: inline-flex;
            align-items: center;
        }

        .article-meta .meta-author .avatar {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: #06121B;
            margin-right: 6px;
        }

        /* 封面图 */
        .article-cover {
            border-radius: 18px;
            overflow: hidden;
            margin-bottom: 40px;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .article-cover img {
            width: 100%;
            height: 440px;
            object-fit: cover;
            display: block;
        }

        .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(7, 13, 26, 0.35));
            pointer-events: none;
        }

        /* 正文区 */
        .article-content {
            padding: 10px 0 80px;
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            color: var(--text-body);
            font-size: 16.5px;
            line-height: 1.9;
        }

        .article-body p {
            margin-bottom: 1.6em;
            text-align: left;
        }

        .article-body h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-light);
            margin: 2em 0 0.8em;
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-light);
            margin: 1.8em 0 0.6em;
            line-height: 1.4;
        }

        .article-body h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-light);
            margin: 1.5em 0 0.5em;
        }

        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(56, 189, 248, 0.3);
            transition: border-color 0.25s;
        }

        .article-body a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.3em;
            margin-bottom: 1.6em;
        }

        .article-body li {
            margin-bottom: 0.5em;
        }

        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: rgba(56, 189, 248, 0.07);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            margin: 1.6em 0;
            color: var(--text-light);
            font-style: normal;
        }

        .article-body blockquote p {
            margin-bottom: 0;
        }

        .article-body img {
            max-width: 100%;
            border-radius: 14px;
            margin: 1.6em 0;
            border: 1px solid var(--glass-border);
        }

        .article-body figure {
            margin: 1.6em 0;
        }

        .article-body figcaption {
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 8px;
        }

        .article-body pre {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 1.6em 0;
            color: var(--text-light);
        }

        .article-body code {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            background: rgba(255, 255, 255, 0.08);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.9em;
        }

        .article-body pre code {
            background: transparent;
            padding: 0;
        }

        /* 内容未找到 */
        .not-found-card {
            max-width: 560px;
            margin: 60px auto;
            text-align: center;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            box-shadow: var(--shadow-card);
        }

        .not-found-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
        }

        .not-found-card h2 {
            color: var(--text-light);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .not-found-card p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* 相关推荐 */
        .related-posts {
            padding: 80px 0;
            background: linear-gradient(180deg, transparent, rgba(11, 17, 32, 0.6));
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        .related-posts .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
            position: relative;
            display: inline-block;
        }

        .related-posts .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 40px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .related-posts .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 40px;
        }

        .related-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
            display: block;
            color: var(--text-body);
            text-decoration: none;
        }

        .related-card:hover {
            transform: translateY(-5px);
            border-color: rgba(56, 189, 248, 0.45);
            box-shadow: var(--shadow-card);
            color: var(--text-body);
        }

        .related-card .card-cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .related-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .related-card .card-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(7, 13, 26, 0.65);
            backdrop-filter: blur(8px);
            color: var(--text-light);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .related-card .card-body {
            padding: 20px;
        }

        .related-card .card-cat {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
            text-transform: lowercase;
        }

        .related-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            line-height: 1.55;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-sum {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* CTA条 */
        .article-cta {
            padding: 70px 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat fixed;
            position: relative;
        }

        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(7, 13, 26, 0.78);
        }

        .article-cta .container {
            position: relative;
            z-index: 1;
        }

        .cta-wrapper {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-wrapper h2 {
            color: var(--text-light);
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-wrapper p {
            color: var(--text-body);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .cta-wrapper .btn-lg-custom {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* 页脚 */
        .footer-main {
            background: #050A14;
            padding: 60px 0 0;
            position: relative;
            border-top: 1px solid rgba(56, 189, 248, 0.15);
        }

        .footer-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 18px;
            max-width: 340px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.25s, padding-left 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a i {
            font-size: 11px;
            color: var(--primary);
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 3px;
        }

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

        .footer-contact li {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact li i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }

        .form-control-custom {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            color: var(--text-light);
            padding: 12px 16px;
            font-size: 14px;
            transition: border-color 0.25s, box-shadow 0.25s;
            width: 100%;
        }

        .form-control-custom:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-light);
            outline: none;
        }

        .form-control-custom::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-subscribe .btn {
            width: 100%;
            margin-top: 10px;
        }

        .footer-bottom {
            margin-top: 48px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .footer-bottom-text {
            margin: 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* 滚动渐入 */
        .reveal {
            opacity: 0;
            transform: translateY(18px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: none;
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(7, 13, 26, 0.95);
                backdrop-filter: blur(20px);
                border-radius: 16px;
                padding: 20px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            }

            .navbar-custom .nav-link {
                padding: 12px 16px !important;
                border-radius: 10px;
                font-size: 15px;
            }

            .navbar-custom .nav-link.active::after {
                left: 16px;
                right: 16px;
                bottom: 4px;
            }

            .nav-cta {
                margin-top: 16px;
                width: 100%;
                justify-content: center;
            }

            .article-header h1 {
                font-size: 32px;
            }

            .article-cover img {
                height: 320px;
            }

            .related-posts .row {
                row-gap: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .section-spacing {
                padding: 60px 0;
            }

            .breadcrumb-area {
                padding: 100px 0 0;
            }

            .breadcrumb-custom {
                font-size: 13px;
                padding: 12px 16px;
            }

            .article-header {
                padding: 20px 0 16px;
            }

            .article-header h1 {
                font-size: 28px;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-cover {
                margin-bottom: 32px;
            }

            .article-cover img {
                height: 220px;
            }

            .article-body {
                font-size: 16px;
            }

            .article-body h2 {
                font-size: 24px;
            }

            .article-body h3 {
                font-size: 20px;
            }

            .article-content {
                padding: 0 0 60px;
            }

            .related-posts {
                padding: 60px 0;
            }

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

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

            .article-cta {
                background-attachment: scroll;
            }

            .footer-main {
                padding-top: 40px;
            }
        }

        @media (max-width: 520px) {
            .article-header h1 {
                font-size: 24px;
            }

            .article-meta {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }

            .article-cover img {
                height: 180px;
            }

            .not-found-card {
                padding: 40px 24px;
                margin: 30px auto;
            }

            .not-found-card h2 {
                font-size: 22px;
            }

            .related-card .card-cover {
                height: 150px;
            }

            .cta-wrapper h2 {
                font-size: 22px;
            }

            .footer-bottom-text {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #38BDF8;
  --secondary: #34D399;
  --accent: #F59E0B;
  --bg: #070D1A;
  --bg-deep: #0B1120;
  --bg-footer: #050A14;
  --card-bg: rgba(255,255,255,0.06);
  --line: rgba(255,255,255,0.12);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.55);
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-card: 0 12px 32px rgba(2,10,25,0.4);
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; padding: 0; margin: 0; }
:focus-visible { outline: 3px solid rgba(56,189,248,0.55); outline-offset: 2px; border-radius: 6px; }

.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #06121B;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: none;
  border-radius: var(--radius-md);
  padding: 13px 28px;
  box-shadow: 0 0 16px rgba(56,189,248,0.5), 0 4px 24px rgba(52,211,153,0.3);
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary-custom:hover {
  color: #06121B;
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(56,189,248,0.7), 0 8px 32px rgba(52,211,153,0.4);
}
.btn-primary-custom:active { transform: translateY(0); box-shadow: 0 0 14px rgba(56,189,248,0.4); }
.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-md);
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline-custom:hover { color: var(--primary); border-color: var(--primary); box-shadow: 0 0 20px rgba(56,189,248,0.2); transform: translateY(-2px); }
.btn-outline-custom:active { transform: translateY(0); }

.header-main { position: sticky; top: 0; left: 0; right: 0; z-index: 1080; background: transparent; transition: background 0.3s ease, border-color 0.3s ease; }
.header-main.scrolled { background: rgba(7,13,26,0.82); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(56,189,248,0.18); }
.navbar-custom { padding-top: 12px; padding-bottom: 12px; }
.navbar-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-size: 22px; font-weight: 700; letter-spacing: 0.01em; }
.navbar-brand:hover { color: #fff; }
.brand-icon { display: inline-flex; align-items: flex-end; height: 22px; gap: 3px; }
.brand-icon span { display: inline-block; width: 4px; border-radius: 2px; background: linear-gradient(180deg, var(--primary), var(--secondary)); }
.brand-icon span:nth-child(1) { height: 8px; }
.brand-icon span:nth-child(2) { height: 14px; }
.brand-icon span:nth-child(3) { height: 20px; }
.brand-icon span:nth-child(4) { height: 14px; }
.brand-icon span:nth-child(5) { height: 8px; }
.navbar-custom .navbar-nav { align-items: center; }
.navbar-custom .nav-link {
  position: relative;
  color: rgba(255,255,255,0.72);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px !important;
  border-radius: 10px;
  transition: color 0.3s ease, background 0.3s ease;
}
.navbar-custom .nav-link::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active { color: #fff; }
.navbar-custom .nav-link:hover::after,
.navbar-custom .nav-link.active::after { opacity: 1; transform: scaleX(1); }
.nav-cta { margin-left: 14px; padding: 9px 22px; font-size: 14px; white-space: nowrap; }
.navbar-toggler { border: 1px solid rgba(255,255,255,0.25); border-radius: 10px; padding: 8px 12px; background: rgba(255,255,255,0.04); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(56,189,248,0.3); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

.page-hero {
  position: relative;
  min-height: 64vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 110px 0 100px;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  overflow: hidden;
}
.page-hero::before { content: ""; position: absolute; inset: 0; background: rgba(7,13,26,0.68); z-index: 1; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 55% at 50% 62%, rgba(56,189,248,0.18), transparent 70%); z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; padding: 0 20px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: 50px; background: rgba(52,211,153,0.1); border: 1px solid rgba(52,211,153,0.25); color: var(--secondary); font-size: 13px; letter-spacing: 0.12em; margin-bottom: 22px; }
.page-hero h1 { margin: 0 0 18px; color: #fff; font-size: clamp(32px, 5.6vw, 52px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.25; }
.page-hero .hero-sub { margin: 0 auto 34px; max-width: 660px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.scroll-line { display: block; width: 26px; height: 44px; margin: 34px auto 0; border: 2px solid rgba(255,255,255,0.4); border-radius: 20px; position: relative; }
.scroll-line::after { content: ""; position: absolute; top: 8px; left: 50%; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 3px; background: var(--primary); animation: scrollHint 1.6s ease-in-out infinite; }
@keyframes scrollHint { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

.section-heading { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-heading h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); font-weight: 700; line-height: 1.35; margin-bottom: 12px; }
.section-heading p { color: var(--muted); font-size: 16px; }
.heading-tag { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 10px; color: var(--secondary); font-size: 13px; letter-spacing: 0.12em; background: rgba(52,211,153,0.1); border: 1px solid rgba(52,211,153,0.2); padding: 5px 14px; border-radius: 50px; }

.stats-band { background: linear-gradient(180deg, var(--bg), var(--bg-deep) 120%); padding: 26px 0; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.stat-num { font-size: clamp(30px, 4.6vw, 44px); font-weight: 700; line-height: 1.2; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { margin-top: 8px; color: var(--muted); font-size: 14px; }

.reviews-section { padding: 100px 0; }
.review-item { margin-bottom: 84px; }
.review-item:last-child { margin-bottom: 0; }
.review-row-inner { display: grid; grid-template-columns: 1.08fr 1fr; gap: 56px; align-items: center; }
.review-item:nth-child(odd) .review-panel-text { margin-top: 54px; }
.review-item:nth-child(even) .review-panel-media { margin-top: 54px; }
.review-panel-media .media-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16 / 10; box-shadow: var(--shadow-card); }
.review-panel-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.review-panel-media:hover img { transform: scale(1.04); }
.review-panel-text { position: relative; padding: 30px; border-radius: var(--radius-lg); background: var(--card-bg); border: 1px solid var(--line); box-shadow: var(--shadow-card); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); overflow: hidden; }
.review-panel-text::before { content: ""; position: absolute; top: 0; left: 10%; right: 10%; height: 1px; background: linear-gradient(90deg, transparent, rgba(56,189,248,0.6), transparent); }
.review-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.review-cat { display: inline-flex; align-items: center; background: rgba(245,158,11,0.14); border: 1px solid rgba(245,158,11,0.3); color: var(--accent); padding: 3px 10px; border-radius: 50px; font-size: 12.5px; font-weight: 500; }
.review-date { display: inline-flex; align-items: center; color: var(--muted); font-size: 13px; }
.review-panel-text h3 { color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 12px; line-height: 1.5; }
.review-summary { color: var(--muted); font-size: 15px; margin-bottom: 20px; }
.link-more { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: 14px; font-weight: 600; }
.link-more:hover { gap: 10px; color: var(--secondary); }

.gallery-section { padding-bottom: 100px; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 180px; gap: 16px; }
.gallery-item { position: relative; border-radius: 14px; overflow: hidden; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(7,13,26,0.68), transparent 58%); }
.gallery-cap { position: absolute; left: 16px; bottom: 14px; z-index: 2; color: #fff; font-size: 14px; font-weight: 600; line-height: 1.4; }
.item-1 { grid-column: span 2; grid-row: span 2; }
.item-6 { grid-column: span 2; }

.testimonials-section { padding-bottom: 100px; }
.testimonial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.testimonial-card { position: relative; margin: 0; padding: 34px 32px; border-radius: var(--radius-lg); background: var(--card-bg); border: 1px solid var(--line); box-shadow: var(--shadow-card); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.testimonial-card::before { content: "“"; position: absolute; top: 8px; right: 22px; font-size: 64px; line-height: 1; color: var(--primary); opacity: 0.4; font-family: Georgia, serif; }
.testimonial-card blockquote { color: rgba(255,255,255,0.86); font-size: 15px; margin-bottom: 16px; }
.testimonial-card figcaption { color: var(--muted); font-size: 13px; }
.testimonial-card:last-child { margin-top: 56px; }

.cta-section { padding-bottom: 100px; }
.cta-box { position: relative; text-align: center; padding: 60px 40px; border-radius: 24px; background: var(--card-bg); border: 1px solid var(--line); box-shadow: var(--shadow-card); overflow: hidden; backdrop-filter: blur(14px); }
.cta-box::before { content: ""; position: absolute; top: 0; left: 8%; right: 8%; height: 1px; background: linear-gradient(90deg, transparent, var(--primary), transparent); }
.cta-box::after { content: ""; position: absolute; bottom: -220px; left: 50%; transform: translateX(-50%); width: 480px; height: 480px; border-radius: 50%; background: radial-gradient(circle, rgba(56,189,248,0.18), transparent 70%); pointer-events: none; }
.cta-box h2 { position: relative; z-index: 1; color: #fff; font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; }
.cta-box p { position: relative; z-index: 1; max-width: 580px; margin: 0 auto 32px; color: var(--muted); font-size: 15.5px; }
.cta-box .btn-primary-custom { position: relative; z-index: 1; }

.footer-main { background: var(--bg-footer); padding: 60px 0 0; margin-top: 40px; border-top: 1px solid rgba(56,189,248,0.2); position: relative; }
.footer-main::before { content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--primary), transparent); }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.footer-desc { max-width: 320px; color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.footer-title { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-links { padding: 0; list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact { padding: 0; list-style: none; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; color: var(--muted); font-size: 14px; }
.footer-contact i { color: var(--primary); width: 16px; text-align: center; }
.footer-subscribe-tip { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.form-control-custom { width: 100%; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-md); padding: 12px 16px; color: #fff; font-size: 14px; transition: border-color 0.3s ease, box-shadow 0.3s ease; }
.form-control-custom::placeholder { color: rgba(255,255,255,0.35); }
.form-control-custom:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); }
.badge-primary { background: rgba(56,189,248,0.12); color: var(--primary); border: 1px solid rgba(56,189,248,0.3); border-radius: 6px; padding: 6px 10px; font-size: 13px; font-weight: 500; }
.badge-secondary { background: rgba(52,211,153,0.12); color: var(--secondary); border: 1px solid rgba(52,211,153,0.3); border-radius: 6px; padding: 6px 10px; font-size: 13px; font-weight: 500; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 44px; padding: 20px 0; text-align: center; }
.footer-bottom-text { color: var(--muted); font-size: 13px; margin: 0; }

.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .reveal.reveal-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1199.98px) {
  .review-row-inner { gap: 36px; }
}
@media (max-width: 991.98px) {
  .navbar-custom .navbar-collapse { background: rgba(7,13,26,0.96); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 18px 16px; margin-top: 14px; }
  .navbar-custom .nav-link { padding: 11px 14px !important; color: rgba(255,255,255,0.85); }
  .navbar-custom .nav-link::after { display: none; }
  .navbar-custom .nav-link:hover { background: rgba(56,189,248,0.1); }
  .navbar-custom .nav-link.active { background: linear-gradient(135deg, rgba(56,189,248,0.18), rgba(52,211,153,0.14)); }
  .nav-cta { display: block; width: 100%; text-align: center; margin: 14px 0 0; }
  .reviews-section { padding: 70px 0; }
  .review-item { margin-bottom: 56px; }
  .review-row-inner { grid-template-columns: 1fr; gap: 24px; }
  .review-item:nth-child(odd) .review-panel-text,
  .review-item:nth-child(even) .review-panel-media { margin-top: 0; }
  .gallery-section, .testimonials-section, .cta-section { padding-bottom: 70px; }
  .section-heading { margin-bottom: 40px; }
}
@media (max-width: 767.98px) {
  .stats-band { padding: 18px 0; }
  .section-heading p { font-size: 15px; }
  .review-panel-text { padding: 24px; }
  .testimonial-grid { grid-template-columns: 1fr; gap: 24px; }
  .testimonial-card:last-child { margin-top: 0; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0,1fr)); grid-auto-rows: 140px; }
  .cta-box { padding: 44px 24px; }
}
@media (max-width: 575.98px) {
  .page-hero { min-height: 0; padding: 80px 0 56px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero .hero-sub { font-size: 15px; }
  .scroll-line { display: none; }
  .hero-actions .btn { width: 100%; max-width: 260px; }
  .gallery-grid { grid-auto-rows: 120px; gap: 10px; }
  .gallery-cap { left: 12px; bottom: 10px; font-size: 13px; }
}