/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #e11d48;
  --primary-dark: #be123c;
  --primary-light: #fb7185;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 10px 30px rgba(0,0,0,.07);
  --shadow-lg: 0 20px 50px rgba(0,0,0,.12);
  --shadow-primary: 0 10px 30px rgba(225,29,72,.25);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",sans-serif;
  --spacing-section: 96px;
  --spacing-section-sm: 64px;
}

/* ========== 基础重置 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 16px; line-height: 1.75; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; border-radius: var(--radius-sm); }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; font-size: 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 16px; background: #fff; transition: var(--transition); }
input:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(225,29,72,.1); }
ul, ol { list-style: none; }

/* ========== 容器 ========== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 1400px) { .container { max-width: 1280px; } }

/* ========== 顶部导航 ========== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(15,23,42,.96); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,.08); }
.header-brand-row { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.logo { display: flex; align-items: center; gap: 12px; font-size: 1.55rem; font-weight: 800; color: #fff; letter-spacing: .5px; }
.logo-icon { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff; box-shadow: var(--shadow-primary); }
.logo span em { font-style: normal; color: var(--accent); }
.header-search { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); border-radius: 40px; padding: 6px 6px 6px 16px; width: 300px; }
.header-search input { background: transparent; border: none; color: #fff; padding: 6px 0; width: 100%; font-size: .9rem; }
.header-search input::placeholder { color: rgba(255,255,255,.5); }
.header-search input:focus { box-shadow: none; border: none; }
.header-search button { background: var(--primary); color: #fff; border-radius: 32px; padding: 8px 18px; font-size: .85rem; font-weight: 600; transition: var(--transition); }
.header-search button:hover { background: var(--primary-dark); }

.header-channel-row { border-top: 1px solid rgba(255,255,255,.06); }
.header-channel-row .container { display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.header-channel-row .container::-webkit-scrollbar { display: none; }
.channel-nav { display: flex; align-items: center; gap: 2px; white-space: nowrap; }
.channel-nav a { display: inline-flex; align-items: center; gap: 6px; padding: 12px 20px; font-size: .95rem; font-weight: 500; color: rgba(255,255,255,.7); border-bottom: 2px solid transparent; transition: var(--transition); }
.channel-nav a:hover { color: #fff; background: rgba(255,255,255,.06); }
.channel-nav a.active { color: #fff; border-bottom-color: var(--accent); background: rgba(255,255,255,.04); }
.channel-nav a .nav-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: inline-block; }
.channel-nav a:not(.active) .nav-dot { background: rgba(255,255,255,.25); }
.channel-cta { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.channel-cta .live-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(239,68,68,.2); border: 1px solid rgba(239,68,68,.4); color: #fca5a5; font-size: .78rem; font-weight: 600; padding: 4px 14px; border-radius: 20px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #ef4444; animation: pulse-dot 1.5s infinite; }
@keyframes pulse-dot { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(.8); } }

/* 移动端导航按钮 */
.mobile-toggle { display: none; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); border-radius: 10px; padding: 8px 10px; color: #fff; font-size: 1.1rem; line-height: 1; }
.mobile-toggle span { display: block; }

/* ========== 通用板块 ========== */
.section { padding: var(--spacing-section) 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-dark { background: var(--dark); color: #fff; position: relative; overflow: hidden; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(225,29,72,.08); color: var(--primary); font-size: .82rem; font-weight: 700; padding: 6px 18px; border-radius: 40px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.section-head h2 { font-size: 2.4rem; font-weight: 800; line-height: 1.3; margin-bottom: 12px; color: var(--text); letter-spacing: -.5px; }
.section-dark .section-head h2 { color: #fff; }
.section-head p { color: var(--text-muted); font-size: 1.05rem; line-height: 1.7; }
.section-dark .section-head p { color: rgba(255,255,255,.7); }

/* ========== Hero 首屏 ========== */
.hero { position: relative; min-height: 620px; display: flex; align-items: center; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(15,23,42,.9) 0%, rgba(15,23,42,.6) 50%, rgba(15,23,42,.3) 100%); z-index: -1; }
.hero-inner { max-width: 680px; }
.hero .container { display: flex; align-items: center; min-height: 620px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25); color: #fff; padding: 8px 20px; border-radius: 40px; font-size: .88rem; font-weight: 500; backdrop-filter: blur(6px); margin-bottom: 28px; }
.hero-badge i { font-style: normal; color: var(--accent); }
.hero h1 { font-size: 3.4rem; font-weight: 900; color: #fff; line-height: 1.15; margin-bottom: 20px; letter-spacing: -1px; }
.hero h1 span { color: var(--accent); }
.hero-sub { font-size: 1.15rem; color: rgba(255,255,255,.8); line-height: 1.8; margin-bottom: 36px; max-width: 560px; }
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 50px; font-size: 1rem; font-weight: 600; transition: var(--transition); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-primary); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 14px 34px rgba(225,29,72,.35); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.5); }
.btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.1); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--dark); }
.btn-light:hover { background: var(--accent); color: var(--dark); transform: translateY(-2px); }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; }
.hero-stat { text-align: left; }
.hero-stat strong { display: block; font-size: 2rem; font-weight: 800; color: #fff; line-height: 1.2; }
.hero-stat span { font-size: .85rem; color: rgba(255,255,255,.6); }

/* ========== 数据块 ========== */
.stats-section { padding: 40px 0; background: var(--dark); border-bottom: 1px solid rgba(255,255,255,.06); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-item { text-align: center; padding: 20px; }
.stat-number { font-size: 2.8rem; font-weight: 900; color: var(--accent); line-height: 1.1; }
.stat-item h4 { color: #fff; font-size: 1rem; margin-top: 8px; }
.stat-item p { color: rgba(255,255,255,.5); font-size: .85rem; margin-top: 4px; }

/* ========== 核心说明 ========== */
.feature-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.feature-intro .intro-media { position: relative; }
.feature-intro .intro-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.feature-intro .intro-media::after { content: ""; position: absolute; inset: 20px -20px -20px 20px; border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(225,29,72,.15), rgba(245,158,11,.1)); z-index: -1; }
.intro-tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.intro-tag { background: rgba(225,29,72,.06); border: 1px solid rgba(225,29,72,.12); color: var(--primary); font-size: .85rem; font-weight: 600; padding: 6px 16px; border-radius: 40px; }
.intro-list { margin: 24px 0; }
.intro-list li { position: relative; padding-left: 28px; margin-bottom: 14px; color: var(--text); line-height: 1.7; }
.intro-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; background: rgba(225,29,72,.12); color: var(--primary); border-radius: 50%; font-size: .8rem; display: flex; align-items: center; justify-content: center; font-weight: 700; }

/* ========== 分类入口卡片 ========== */
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.category-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: var(--transition); position: relative; overflow: hidden; }
.category-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0; transition: var(--transition); }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(225,29,72,.2); }
.category-card:hover::before { opacity: 1; }
.category-card .card-icon { width: 56px; height: 56px; border-radius: 14px; background: linear-gradient(135deg, rgba(225,29,72,.1), rgba(245,158,11,.1)); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin-bottom: 20px; }
.category-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.category-card p { color: var(--text-muted); font-size: .9rem; line-height: 1.6; }
.category-card .card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: .9rem; font-weight: 600; color: var(--primary); }
.category-card .card-link:hover { gap: 10px; color: var(--primary-dark); }

/* ========== 最新资讯列表 ========== */
.news-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.news-card { display: flex; gap: 20px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: var(--transition); }
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: rgba(225,29,72,.2); }
.news-thumb { width: 120px; height: 90px; flex-shrink: 0; border-radius: var(--radius-sm); overflow: hidden; background: var(--dark-light); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.3); font-size: .8rem; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-content { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.badge { display: inline-block; font-size: .75rem; font-weight: 600; padding: 4px 12px; border-radius: 30px; background: rgba(225,29,72,.08); color: var(--primary); }
.badge-accent { background: rgba(245,158,11,.1); color: var(--accent-dark); }
.news-meta time { font-size: .8rem; color: var(--text-muted); }
.news-content h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.5; margin-bottom: 6px; }
.news-content h3 a { color: var(--text); }
.news-content h3 a:hover { color: var(--primary); }
.news-content p { font-size: .88rem; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty-tip { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-muted); background: var(--bg); border: 1px dashed var(--border); border-radius: var(--radius); font-size: 1rem; }

/* ========== 图文内容区块 ========== */
.showcase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.showcase-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 320px; display: flex; align-items: flex-end; background: var(--dark-light); box-shadow: var(--shadow); }
.showcase-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: transform .6s ease; }
.showcase-card:hover img { transform: scale(1.05); }
.showcase-overlay { position: relative; z-index: 2; padding: 28px; background: linear-gradient(to top, rgba(15,23,42,.92) 0%, rgba(15,23,42,.6) 60%, transparent 100%); color: #fff; width: 100%; }
.showcase-overlay .badge { background: rgba(245,158,11,.25); color: var(--accent); margin-bottom: 10px; }
.showcase-overlay h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.showcase-overlay p { font-size: .9rem; color: rgba(255,255,255,.7); margin-bottom: 12px; }
.showcase-overlay a { color: var(--accent); font-weight: 600; font-size: .9rem; }

/* ========== 流程/步骤 ========== */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.steps-grid::before { content: ""; position: absolute; top: 40px; left: 15%; right: 15%; height: 2px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: .3; z-index: 0; }
.step-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 38px 30px; text-align: center; position: relative; z-index: 1; transition: var(--transition); }
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-number { width: 80px; height: 80px; margin: 0 auto 20px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; font-weight: 800; color: #fff; box-shadow: var(--shadow-primary); }
.step-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.step-card p { color: var(--text-muted); font-size: .9rem; line-height: 1.7; }

/* ========== FAQ ========== */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(225,29,72,.25); }
.faq-item.open { box-shadow: var(--shadow); border-color: rgba(225,29,72,.3); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 22px 28px; cursor: pointer; font-weight: 600; font-size: 1.05rem; color: var(--text); transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon { width: 32px; height: 32px; border-radius: 50%; background: rgba(225,29,72,.08); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--primary); transition: var(--transition); font-style: normal; }
.faq-item.open .faq-question .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { padding: 0 28px; max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .3s ease; }
.faq-item.open .faq-answer { padding: 0 28px 24px; max-height: 500px; }
.faq-answer p { color: var(--text-muted); line-height: 1.7; font-size: .95rem; }

/* ========== CTA 区域 ========== */
.cta-section { position: relative; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; isolation: isolate; padding: 80px 0; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(225,29,72,.95), rgba(245,158,11,.85)); z-index: -1; }
.cta-inner { text-align: center; max-width: 640px; margin: 0 auto; color: #fff; }
.cta-inner h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; line-height: 1.3; }
.cta-inner p { font-size: 1.1rem; opacity: .9; margin-bottom: 32px; }
.cta-inner .btn { background: #fff; color: var(--primary); }
.cta-inner .btn:hover { background: var(--dark); color: #fff; transform: translateY(-2px); }

/* ========== 页脚 ========== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding-top: 60px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: .9rem; line-height: 1.7; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.6); font-size: .9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { padding: 20px 0; font-size: .85rem; color: rgba(255,255,255,.4); text-align: center; }
.footer-bottom .footer-links { display: inline-flex; gap: 20px; margin-left: 16px; }
.footer-bottom .footer-links a { color: rgba(255,255,255,.4); font-size: .85rem; }
.footer-bottom .footer-links a:hover { color: var(--accent); }

/* ========== 响应式断点 ========== */
@media (max-width: 1024px) {
  :root { --spacing-section: 72px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .feature-intro { gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .header-search { width: 220px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --spacing-section: 56px; }
  .site-header { position: relative; }
  .header-search { display: none; }
  .mobile-toggle { display: block; }
  .header-channel-row { display: block; position: absolute; top: 100%; left: 0; right: 0; background: var(--dark); border-bottom: 1px solid rgba(255,255,255,.08); max-height: 0; overflow: hidden; transition: max-height .4s ease; }
  .header-channel-row.open { max-height: 400px; }
  .header-channel-row .container { flex-direction: column; align-items: flex-start; padding: 12px 24px; }
  .channel-nav { flex-direction: column; width: 100%; }
  .channel-nav a { width: 100%; padding: 14px 12px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .channel-cta { width: 100%; padding: 12px; border-top: 1px solid rgba(255,255,255,.08); }
  .hero, .hero .container { min-height: 520px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 1rem; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .hero-stats .hero-stat { flex: 1 1 40%; }
  .feature-intro { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 20px; }
  .steps-grid::before { display: none; }
  .category-grid { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .section-head h2 { font-size: 2rem; }
  .news-grid { gap: 16px; }
  .news-card { flex-direction: column; padding: 18px; }
  .news-thumb { width: 100%; height: 160px; }
  .faq-question { padding: 18px 20px; font-size: .95rem; }
  .faq-answer { padding: 0 20px; }
  .faq-item.open .faq-answer { padding: 0 20px 20px; }
  .cta-inner h2 { font-size: 1.8rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-sub { font-size: .95rem; }
  .hero-actions .btn { padding: 12px 24px; font-size: .9rem; }
  .section-head h2 { font-size: 1.6rem; }
  .stats-grid { grid-template-columns: 1fr; gap: 12px; }
  .logo { font-size: 1.2rem; }
  .logo-icon { width: 36px; height: 36px; font-size: 1.2rem; }
  .footer-bottom { text-align: center; }
  .footer-bottom .footer-links { display: flex; justify-content: center; margin: 8px 0 0; flex-wrap: wrap; gap: 12px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fef3c7;
  --primary-glow: rgba(245, 158, 11, 0.22);
  --dark: #0f172a;
  --dark-2: #1e293b;
  --bg: #f8fafc;
  --white: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.13);
  --transition: all 0.3s ease;
  --container: 1200px;
}

/* ===== 基础 Reset ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

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

input,
textarea {
  font-family: inherit;
  border: none;
  outline: none;
  background: transparent;
}

ul,
ol {
  list-style: none;
}

::selection {
  background: var(--primary);
  color: var(--dark);
}

/* ===== 容器 ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.btn-sm {
  padding: 8px 22px;
  font-size: 14px;
  border-radius: 8px;
}

.btn-primary {
  background: var(--primary);
  color: var(--dark);
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(217, 119, 6, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: translateY(0);
}

/* ===== 标签 / 徽章 ===== */
.tag {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  backdrop-filter: blur(6px);
  white-space: nowrap;
}

.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  background: var(--primary-light);
  color: var(--primary-dark);
}

/* ===== 站点头部 ===== */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), #ef4444);
  border-radius: 12px;
  color: var(--white);
  font-size: 21px;
  box-shadow: 0 4px 14px var(--primary-glow);
  flex-shrink: 0;
}

.logo em {
  font-style: normal;
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-tag {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 2px;
  font-weight: 500;
}

/* 频道栏 */
.channel-bar {
  background: var(--dark);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.channel-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.channel-nav::-webkit-scrollbar {
  display: none;
}

.channel-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
}

.channel-nav a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.channel-nav a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
  color: var(--white);
}

.channel-nav a.active {
  color: var(--white);
  border-bottom-color: var(--primary);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.03);
}

.nav-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transition: var(--transition);
  flex-shrink: 0;
}

.channel-nav a.active .nav-dot {
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

/* ===== 页头横幅 ===== */
.page-hero {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 100px 0 90px;
  position: relative;
  isolation: isolate;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.93) 0%, rgba(15, 23, 42, 0.75) 50%, rgba(245, 158, 11, 0.28) 100%);
  z-index: -1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
}

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

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.35);
}

.breadcrumb .current {
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
}

.page-hero h1 {
  font-size: 52px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 18px;
  letter-spacing: 3px;
  line-height: 1.2;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 580px;
  line-height: 1.85;
  margin-bottom: 0;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}

/* ===== 通用板块 ===== */
.section {
  padding: 90px 0;
}

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

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  padding: 5px 18px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 14px;
  line-height: 1.3;
  letter-spacing: 1px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== 分类卡片 ===== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.guide-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.guide-card:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.card-media {
  position: relative;
  height: 225px;
  overflow: hidden;
  background: var(--dark);
}

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

.guide-card:hover .card-media img {
  transform: scale(1.06);
}

.card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.15), transparent 50%);
}

.card-body {
  padding: 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body .badge {
  align-self: flex-start;
  margin-bottom: 12px;
  border: 1px solid var(--primary-light);
}

.card-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.45;
}

.card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 18px;
  flex: 1;
}

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

.card-link:hover {
  gap: 12px;
  color: var(--primary-dark);
}

.card-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 内容列表 ===== */
.list-section .section-head {
  text-align: left;
  max-width: 100%;
  margin: 0 0 44px;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.content-item {
  display: flex;
  gap: 18px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  align-items: flex-start;
}

.content-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
  transform: translateX(4px);
}

.content-item:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.item-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-light), rgba(245, 158, 11, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  border: 1px solid rgba(245, 158, 11, 0.18);
}

.item-body {
  flex: 1;
  min-width: 0;
}

.item-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.item-meta .badge {
  background: var(--primary);
  color: var(--dark);
  font-size: 11px;
  padding: 2px 10px;
}

.item-meta .badge-b {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.item-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.55;
  margin-bottom: 4px;
}

.item-body h3 a:hover {
  color: var(--primary-dark);
}

.item-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== 流程板块 ===== */
.process-section {
  background: var(--dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.process-section .section-head h2 {
  color: var(--white);
}

.process-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}

.process-section .section-tag {
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.process-step {
  padding: 36px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
}

.process-step:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(245, 158, 11, 0.4);
  transform: translateY(-5px);
}

.step-num {
  font-size: 42px;
  font-weight: 800;
  color: rgba(245, 158, 11, 0.5);
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
  position: absolute;
  top: 18px;
  right: 24px;
  line-height: 1;
}

.step-icon {
  font-size: 34px;
  margin-bottom: 18px;
  display: block;
}

.process-step h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.75;
}

/* ===== 数据板块 ===== */
.stats-section {
  padding: 70px 0;
  background: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 44px 28px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #ef4444);
  opacity: 0;
  transition: var(--transition);
}

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

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

.stat-num {
  font-size: 46px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.15;
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
}

.stat-num span {
  font-size: 24px;
  font-weight: 700;
}

.stat-label {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 10px;
  font-weight: 500;
}

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

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: var(--shadow);
}

.faq-item[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.faq-item summary {
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  user-select: none;
}

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

.faq-item summary::after {
  content: '+';
  font-size: 24px;
  color: var(--primary);
  font-weight: 700;
  transition: var(--transition);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

.faq-answer {
  padding: 4px 28px 24px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.85;
  border-top: 1px dashed var(--border);
  margin: 0 0;
}

/* ===== CTA 板块 ===== */
.cta-section {
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--dark);
  isolation: isolate;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  opacity: 0.18;
  z-index: -1;
}

.cta-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.08), transparent 70%);
  z-index: -1;
}

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

.cta-content h2 {
  font-size: 38px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.cta-content p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 68px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
  font-size: 22px;
}

.footer-brand .logo em {
  color: var(--primary);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  max-width: 340px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 22px;
  letter-spacing: 0.5px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.45);
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--primary);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

  .page-hero {
    padding: 80px 0 70px;
  }

  .page-hero h1 {
    font-size: 44px;
  }

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 768px) {
  .header-top {
    padding: 14px 20px;
  }

  .header-tag {
    display: none;
  }

  .channel-nav a {
    padding: 12px 16px;
    font-size: 14px;
  }

  .page-hero {
    padding: 60px 0 52px;
  }

  .page-hero h1 {
    font-size: 36px;
    letter-spacing: 1px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .section {
    padding: 60px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section-head h2 {
    font-size: 30px;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 36px;
  }

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

  .cta-content h2 {
    font-size: 30px;
  }

  .cta-buttons .btn {
    min-width: 200px;
  }
}

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

  .guide-grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-num {
    font-size: 36px;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .hero-tags {
    gap: 8px;
  }

  .hero-tags .tag {
    font-size: 12px;
    padding: 4px 12px;
  }

  .channel-nav a {
    padding: 10px 14px;
    font-size: 13px;
  }

  .card-body h3 {
    font-size: 18px;
  }

  .content-item {
    padding: 16px;
    flex-direction: column;
  }

  .item-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }

  .process-step {
    padding: 28px 22px;
  }

  .btn {
    width: 100%;
    padding: 14px 20px;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .footer-links {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
}

/* roulang page: article */
:root {
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --primary-soft: #fef3c7;
  --primary-grad: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
  --dark: #0b1220;
  --dark-2: #111c30;
  --dark-3: #182848;
  --body-text: #1e293b;
  --muted-text: #64748b;
  --border: #e2e8f0;
  --surface: #ffffff;
  --bg-soft: #f4f6fa;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(2, 6, 23, 0.06);
  --shadow-lg: 0 16px 48px rgba(2, 6, 23, 0.1);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--body-text); background: var(--bg-soft); line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button, input { font-family: inherit; font-size: inherit; }
::selection { background: var(--primary); color: #fff; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.site-header { position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 16px rgba(2, 6, 23, 0.08); }
.header-top { background: #fff; }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; min-height: 70px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--dark); letter-spacing: 0.5px; }
.logo-icon { width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; background: var(--primary-grad); color: #fff; border-radius: 12px; font-size: 22px; box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35); }
.logo em { font-style: normal; color: var(--primary); }
.header-tag { font-size: 0.85rem; color: var(--muted-text); letter-spacing: 1px; }
.header-nav { background: linear-gradient(90deg, var(--dark) 0%, var(--dark-2) 100%); border-top: 1px solid rgba(255,255,255,0.06); }
.channel-nav { display: flex; align-items: center; gap: 8px; min-height: 52px; }
.channel-nav a { display: inline-flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.8); font-size: 0.95rem; font-weight: 500; padding: 10px 20px; border-radius: 999px; margin: 8px 4px 8px 0; transition: var(--transition); }
.channel-nav a:hover { color: #fff; background: rgba(255,255,255,0.1); }
.channel-nav a.active { color: #fff; background: var(--primary-grad); box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35); }
.nav-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: 0.6; }

.page-banner { position: relative; padding: 72px 0 60px; background: linear-gradient(120deg, rgba(11,18,32,0.92) 0%, rgba(17,28,48,0.82) 60%, rgba(245,158,11,0.5) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat; color: #fff; overflow: hidden; }
.page-banner::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px; background: var(--primary-grad); }
.page-banner .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb .current { color: var(--primary); font-weight: 500; }
.banner-badge { margin-bottom: 14px; }
.badge { display: inline-block; padding: 5px 14px; border-radius: 999px; background: var(--primary-soft); color: var(--primary-hover); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px; }
.badge-light { background: rgba(255,255,255,0.18); color: #fff; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.25); }
.page-banner h1 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; line-height: 1.32; max-width: 820px; margin-bottom: 18px; text-shadow: 0 2px 20px rgba(0,0,0,0.35); }
.banner-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 0.9rem; color: rgba(255,255,255,0.82); }
.meta-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--primary); display: inline-block; margin-right: 8px; vertical-align: middle; }

.article-wrap { padding: 48px 0 64px; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 32px; align-items: start; }
.article-main { min-width: 0; }
.article-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.article-card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; padding: 22px 36px; border-bottom: 1px solid var(--border); background: var(--bg-soft); font-size: 0.88rem; color: var(--muted-text); }
.article-card-head .badge { background: var(--primary-grad); color: #fff; }
.article-cover { margin: 0; }
.article-cover img { width: 100%; max-height: 440px; object-fit: cover; }
.article-content { padding: 36px; font-size: 1rem; line-height: 1.9; }
.article-content p { margin-bottom: 1.4em; }
.article-content h2 { font-size: 1.5rem; font-weight: 700; margin: 1.6em 0 0.6em; color: var(--dark); }
.article-content h3 { font-size: 1.2rem; font-weight: 700; margin: 1.4em 0 0.5em; color: var(--dark); }
.article-content h4 { font-size: 1.05rem; font-weight: 700; margin: 1.2em 0 0.4em; color: var(--dark); }
.article-content a { color: var(--primary-hover); border-bottom: 1px solid rgba(217, 119, 6, 0.3); }
.article-content a:hover { color: var(--primary); border-bottom-color: var(--primary); }
.article-content img { border-radius: var(--radius-sm); margin: 1.5em 0; box-shadow: var(--shadow); }
.article-content blockquote { border-left: 4px solid var(--primary); background: var(--primary-soft); padding: 16px 22px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 1.4em 0; color: var(--dark-2); }
.article-content ul, .article-content ol { margin: 0 0 1.4em 1.4em; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 0.5em; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.4em 0; font-size: 0.9rem; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content th { background: var(--dark); color: #fff; font-weight: 600; }
.article-content tr:nth-child(even) { background: var(--bg-soft); }
.article-footer { padding: 26px 36px 36px; border-top: 1px solid var(--border); background: var(--bg-soft); border-radius: 0 0 var(--radius) var(--radius); }
.article-tags { margin-bottom: 20px; }
.tag-label { font-size: 0.85rem; font-weight: 600; margin-right: 8px; color: var(--dark); }
.tag { display: inline-block; padding: 4px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--muted-text); font-size: 0.8rem; margin: 4px; transition: var(--transition); }
.tag:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary-hover); }
.article-nav { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 999px; font-weight: 600; font-size: 0.95rem; border: 2px solid transparent; cursor: pointer; transition: var(--transition); line-height: 1.2; }
.btn-primary { background: var(--primary-grad); color: #fff; box-shadow: 0 8px 24px rgba(245, 158, 11, 0.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(245, 158, 11, 0.4); }
.btn-outline { border-color: var(--border); color: var(--dark); background: #fff; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary-hover); background: var(--primary-soft); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--dark); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255,255,255,0.2); }
.btn-gold { background: var(--primary-grad); color: #fff; box-shadow: 0 8px 24px rgba(245, 158, 11, 0.32); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(245, 158, 11, 0.5); }
.btn-dark { background: var(--dark); color: #fff; border-color: rgba(255,255,255,0.2); }
.btn-dark:hover { background: var(--dark-2); transform: translateY(-2px); }
.btn-block { width: 100%; }

.article-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.sidebar-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 16px; padding-bottom: 12px; position: relative; }
.sidebar-card h3::after { content: ''; position: absolute; left: 0; bottom: 0; width: 48px; height: 2px; background: var(--primary-grad); border-radius: 2px; }
.info-list li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 0.9rem; }
.info-list li:last-child { border-bottom: none; }
.info-list span { color: var(--muted-text); }
.info-list strong { font-weight: 600; color: var(--dark); }
.side-post-list li { border-bottom: 1px dashed var(--border); }
.side-post-list li:last-child { border-bottom: none; }
.side-post-list a { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; }
.side-post-list a:hover { color: var(--primary-hover); }
.side-post-title { flex: 1; font-size: 0.9rem; font-weight: 500; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-post-cat { color: var(--primary-hover); background: var(--primary-soft); border-radius: 999px; font-size: 0.7rem; padding: 2px 8px; height: fit-content; white-space: nowrap; }
.cta-card { background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%); color: #fff; }
.cta-card h3 { color: #fff; }
.cta-card h3::after { background: var(--primary-grad); }
.cta-card p { font-size: 0.9rem; color: rgba(255,255,255,0.75); margin-bottom: 16px; }
.subscribe-form input { width: 100%; padding: 10px 14px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.1); border-radius: 10px; color: #fff; margin-bottom: 12px; outline: none; transition: var(--transition); }
.subscribe-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3); }
.subscribe-form input::placeholder { color: rgba(255,255,255,0.5); }
.form-tip { display: block; font-size: 0.8rem; color: var(--primary); margin-top: 8px; }

.not-found-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 64px 32px; text-align: center; }
.not-found-icon { font-size: 3.5rem; margin-bottom: 16px; }
.not-found-card h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 12px; color: var(--dark); }
.not-found-card p { color: var(--muted-text); margin-bottom: 24px; }
.empty-tip { color: var(--muted-text); font-size: 0.9rem; padding: 16px 0; text-align: center; }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-tag { display: inline-block; padding: 4px 16px; border-radius: 999px; background: var(--primary-soft); color: var(--primary-hover); font-size: 0.8rem; font-weight: 700; letter-spacing: 1px; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 12px; }
.section-head p { color: var(--muted-text); }
.section-head.light { color: #fff; }
.section-head.light p { color: rgba(255,255,255,0.7); }
.section-head.light .section-tag { background: rgba(245, 158, 11, 0.2); color: var(--primary); }

.related-section { padding: 72px 0; background: var(--surface); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); display: block; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.related-cover { position: relative; }
.related-cover img { width: 100%; height: 180px; object-fit: cover; }
.related-cat { position: absolute; top: 12px; left: 12px; background: rgba(11, 18, 32, 0.78); color: #fff; padding: 3px 12px; border-radius: 999px; font-size: 0.75rem; backdrop-filter: blur(6px); }
.related-body { padding: 20px; }
.related-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-body p { font-size: 0.85rem; color: var(--muted-text); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-date { font-size: 0.78rem; color: var(--muted-text); }

.faq-section { padding: 80px 0; background: radial-gradient(ellipse at top, rgba(245,158,11,0.1) 0%, transparent 60%), var(--dark); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.faq-item { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 28px; transition: var(--transition); }
.faq-item:hover { background: rgba(255,255,255,0.08); border-color: rgba(245, 158, 11, 0.5); transform: translateY(-2px); }
.faq-item h3 { color: #fff; font-size: 1rem; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; font-weight: 700; }
.faq-item h3::before { content: ''; width: 6px; height: 6px; background: var(--primary); border-radius: 50%; flex-shrink: 0; }
.faq-item p { color: rgba(255,255,255,0.7); font-size: 0.9rem; line-height: 1.75; }

.cta-section { padding: 64px 0; }
.cta-card-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; background: linear-gradient(135deg, rgba(245,158,11,0.14), rgba(255,255,255,0.03)), var(--dark-2); border: 1px solid rgba(245,158,11,0.25); border-radius: 24px; padding: 44px 52px; box-shadow: var(--shadow-lg); }
.cta-text h2 { font-size: clamp(1.3rem, 2.4vw, 1.8rem); font-weight: 800; color: #fff; margin-bottom: 8px; }
.cta-text p { color: rgba(255,255,255,0.7); font-size: 0.95rem; }
.cta-actions { display: flex; gap: 12px; flex-shrink: 0; }

.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 60px 0 24px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.75; max-width: 380px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 700; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding-top: 24px; font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.footer-links { display: flex; gap: 16px; }
.footer-links a:hover { color: var(--primary); }

@media (min-width: 1025px) {
  .article-sidebar { position: sticky; top: 90px; }
}
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .header-tag { display: none; }
  .header-top-inner { min-height: 62px; }
  .logo { font-size: 1.25rem; }
  .logo-icon { width: 36px; height: 36px; font-size: 18px; }
  .channel-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .channel-nav::-webkit-scrollbar { display: none; }
  .channel-nav a { white-space: nowrap; }
  .page-banner { padding: 52px 0 44px; }
  .article-card-head, .article-content, .article-footer { padding-left: 20px; padding-right: 20px; }
  .article-content { font-size: 0.95rem; }
  .faq-grid { grid-template-columns: 1fr; }
  .cta-card-inner { flex-direction: column; text-align: center; padding: 32px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-section, .faq-section, .cta-section { padding: 56px 0; }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
  .banner-meta { gap: 10px; }
  .page-banner h1 { font-size: 1.5rem; }
  .article-nav .btn { padding: 10px 18px; font-size: 0.85rem; }
  .channel-nav a { padding: 8px 14px; font-size: 0.85rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}