/* roulang page: index */
:root{--primary:#1a56db;--primary-dark:#1e3a8a;--primary-light:#dbeafe;--accent:#f59e0b;--accent-light:#fef3c7;--dark:#0b1220;--dark-soft:#162036;--bg:#f6f8fc;--surface:#fff;--text:#1e293b;--text-soft:#64748b;--border:#e2e8f0;--radius:16px;--radius-sm:10px;--radius-lg:24px;--shadow:0 4px 20px rgba(15,23,42,.08);--shadow-lg:0 16px 40px rgba(15,23,42,.12);--header-h:74px;--tr:.3s ease}
*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'PingFang SC','Microsoft YaHei',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}img{max-width:100%;display:block}a{text-decoration:none;color:inherit;transition:var(--tr)}button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:999px;font-weight:600;font-size:15px;transition:var(--tr);line-height:1.4}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(26,86,219,.3)}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,86,219,.4)}.btn-outline{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}.btn-outline:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}.btn-accent{background:var(--accent);color:#0b1220;box-shadow:0 4px 16px rgba(245,158,11,.3)}.btn-accent:hover{background:#e6a00e;transform:translateY(-2px)}.btn-sm{padding:9px 20px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:rgba(255,255,255,.16);color:#fff;font-size:13px;font-weight:500;border:1px solid rgba(255,255,255,.18)}.badge-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;animation:pulse 2s infinite}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.section{padding:90px 0}.section-head{max-width:720px;margin:0 auto 56px;text-align:center}.section-title{font-size:clamp(28px,3.6vw,40px);font-weight:800;color:var(--dark);letter-spacing:-.02em;margin-bottom:12px}.section-sub{font-size:16px;color:var(--text-soft);line-height:1.7}.section-head-line{width:56px;height:4px;border-radius:4px;background:var(--accent);margin:18px auto 0}
.site-header{position:sticky;top:0;z-index:100;height:var(--header-h);background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.6);box-shadow:0 1px 12px rgba(15,23,42,.06)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}.brand-logo{font-size:22px;font-weight:800;color:var(--dark);display:flex;align-items:center;gap:4px;letter-spacing:-.01em}.brand-logo span{color:var(--primary)}.main-nav{display:flex;gap:8px}.main-nav .nav-link{padding:10px 18px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text-soft);transition:var(--tr)}.main-nav .nav-link:hover{color:var(--primary);background:var(--primary-light)}.main-nav .nav-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(26,86,219,.25)}.header-actions{display:flex;align-items:center;gap:12px}.nav-toggle{display:none;flex-direction:column;gap:6px;width:40px;height:40px;align-items:center;justify-content:center;border-radius:10px;transition:var(--tr)}.nav-toggle:hover{background:var(--bg)}.nav-toggle span{width:20px;height:2px;background:var(--dark);border-radius:2px;transition:var(--tr)}.nav-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}.nav-toggle.active span:nth-child(2){opacity:0}.nav-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.hero{position:relative;min-height:680px;display:flex;align-items:center;background:linear-gradient(135deg,rgba(11,18,32,.92),rgba(26,86,219,.7)),url(/assets/images/backpic/back-1.png) center/cover no-repeat;color:#fff;padding:100px 0;overflow:hidden}.hero-content{max-width:680px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);font-size:13px;font-weight:500;margin-bottom:28px;backdrop-filter:blur(8px)}.hero-title{font-size:clamp(34px,5.2vw,56px);font-weight:900;line-height:1.15;letter-spacing:-.02em;margin-bottom:18px}.hero-title em{font-style:normal;color:#fcd34d}.hero-subtitle{font-size:clamp(16px,1.6vw,20px);line-height:1.8;color:rgba(255,255,255,.85);margin-bottom:36px;max-width:560px}.hero-actions{display:flex;gap:16px;flex-wrap:wrap}.hero-meta{display:flex;gap:24px;margin-top:56px;flex-wrap:wrap}.hero-meta-item{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.8)}.hero-meta-item i{font-size:18px;color:#fcd34d}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 26px;transition:var(--tr)}.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(26,86,219,.2)}.feature-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px;background:var(--primary-light);color:var(--primary)}.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--dark)}.feature-card p{font-size:14px;color:var(--text-soft);line-height:1.7}
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}.category-card{background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:var(--tr)}.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.category-card-img{height:220px;overflow:hidden;position:relative}.category-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.category-card:hover .category-card-img img{transform:scale(1.05)}.category-card-img .category-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(11,18,32,.5),transparent)}.category-card-body{padding:30px;position:relative}.category-card-body .cat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;background:var(--accent-light);color:#b45309;margin-top:-56px;position:relative;z-index:2;box-shadow:var(--shadow);border:3px solid #fff}.category-card-body h3{font-size:21px;font-weight:700;color:var(--dark);margin-bottom:8px}.category-card-body p{font-size:14px;color:var(--text-soft);line-height:1.7;margin-bottom:18px}.category-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--primary)}.category-link i{transition:transform .3s}.category-link:hover i{transform:translateX(4px)}
.news-panel{background:var(--surface);border-radius:var(--radius-lg);padding:36px 40px;box-shadow:var(--shadow);border:1px solid var(--border)}.news-list{display:flex;flex-direction:column}.news-item{display:flex;align-items:center;gap:16px;padding:18px 12px;border-bottom:1px solid var(--border);transition:var(--tr);border-radius:12px}.news-item:last-child{border-bottom:none}.news-item:hover{background:var(--bg)}.news-tag{flex-shrink:0;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;background:var(--primary-light);color:var(--primary)}.news-title{flex:1;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-item:hover .news-title{color:var(--primary)}.news-date{flex-shrink:0;font-size:13px;color:var(--text-soft)}.empty-tip{text-align:center;padding:40px 20px;color:var(--text-soft);font-size:15px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.stat-item{text-align:center;padding:36px 20px;background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);transition:var(--tr)}.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.stat-num{font-size:42px;font-weight:900;color:var(--primary);line-height:1.2;letter-spacing:-.02em}.stat-num span{font-size:22px;font-weight:700}.stat-label{font-size:14px;color:var(--text-soft);margin-top:8px}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:step}.step-item{position:relative;background:var(--surface);border-radius:var(--radius-lg);padding:40px 24px 28px;border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--tr)}.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.step-item::before{counter-increment:step;content:counter(step);position:absolute;top:-16px;left:24px;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(245,158,11,.3)}.step-icon{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;background:var(--primary-light);color:var(--primary);margin-bottom:16px}.step-item h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--dark)}.step-item p{font-size:14px;color:var(--text-soft);line-height:1.7}
.faq-list{max-width:800px;margin:0 auto}.faq-item{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:16px;overflow:hidden;transition:var(--tr)}.faq-item:hover{border-color:rgba(26,86,219,.3)}.faq-q{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 28px;font-weight:600;font-size:16px;color:var(--dark);cursor:pointer;user-select:none}.faq-q i{color:var(--primary);font-size:18px;transition:transform .3s}.faq-item.open .faq-q i{transform:rotate(180deg)}.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 28px}.faq-item.open .faq-a{max-height:600px;padding-bottom:22px}.faq-a p{padding-top:4px;font-size:15px;color:var(--text-soft);line-height:1.8}
.cta-box{background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:var(--radius-lg);padding:64px 40px;position:relative;overflow:hidden;text-align:center;color:#fff}.cta-box::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.08)}.cta-box::after{content:'';position:absolute;bottom:-80px;left:-40px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.06)}.cta-title{font-size:clamp(26px,3vw,38px);font-weight:800;margin-bottom:14px;position:relative;z-index:1}.cta-sub{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:32px;position:relative;z-index:1}.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:60px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}.footer-brand .brand-logo{color:#fff;margin-bottom:16px}.footer-brand p{font-size:14px;line-height:1.8;max-width:360px}.footer-links h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}.footer-links a{display:block;padding:5px 0;font-size:14px;transition:var(--tr)}.footer-links a:hover{color:var(--accent);padding-left:6px}.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:20px 0;font-size:13px;color:rgba(255,255,255,.45)}.footer-bottom a{color:rgba(255,255,255,.45)}.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){.features-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}.steps-grid{grid-template-columns:repeat(2,1fr)}.hero{min-height:560px}.category-grid{grid-template-columns:1fr}}
@media(max-width:768px){.container{padding:0 16px}.section{padding:60px 0}.header-actions .btn{display:none}.nav-toggle{display:flex}.main-nav{position:fixed;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;padding:16px;gap:6px;transform:translateY(-16px);opacity:0;visibility:hidden;transition:var(--tr);box-shadow:var(--shadow-lg);border-radius:0 0 16px 16px;z-index:99}.main-nav.open{transform:translateY(0);opacity:1;visibility:visible}.main-nav .nav-link{padding:14px 20px;border-radius:12px;font-size:16px}.hero{padding:70px 0;min-height:auto}.hero-actions{flex-direction:column;width:100%}.hero-actions .btn{width:100%}.hero-meta{margin-top:36px;gap:14px}.footer-grid{grid-template-columns:1fr;gap:28px}.news-panel{padding:20px}.news-item{flex-wrap:wrap;gap:8px}.news-title{white-space:normal;font-size:14px}.news-date{font-size:12px;width:100%;padding-left:4px}}
@media(max-width:520px){.features-grid,.stats-grid{grid-template-columns:1fr}.steps-grid{grid-template-columns:1fr}.category-card-body{padding:22px}.cta-box{padding:44px 20px}.cta-actions .btn{width:100%}.footer-bottom{flex-direction:column;text-align:center}}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #1e2a4a;
  --primary-dark: #141d36;
  --primary-light: #2b3a61;
  --accent: #e8a33d;
  --accent-dark: #cf8a27;
  --accent-light: #fdf1dc;
  --blue: #4a67f5;
  --bg: #f4f6fb;
  --card-bg: #ffffff;
  --text: #1a1f36;
  --muted: #6b7280;
  --border: #e5e9f2;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(30, 42, 74, 0.08);
  --shadow-hover: 0 10px 34px rgba(30, 42, 74, 0.14);
  --transition: all 0.3s ease;
  --container: 1200px;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}
input, textarea {
  font-family: inherit;
}
ul, ol {
  list-style: none;
}
.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: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, #f0b54a 0%, var(--accent) 55%, var(--accent-dark) 100%);
  color: #1e2a4a;
  box-shadow: 0 4px 16px rgba(232, 163, 61, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 163, 61, 0.45);
  color: var(--primary-dark);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(232, 163, 61, 0.3);
}
.btn-primary:focus-visible {
  outline: 3px solid rgba(232, 163, 61, 0.5);
  outline-offset: 2px;
}
.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}
.btn-lg {
  padding: 14px 38px;
  font-size: 16px;
}
.btn-block {
  width: 100%;
}
.btn-light {
  background: #ffffff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.btn-light:hover {
  transform: translateY(-2px);
  background: var(--accent-light);
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn-outline-light {
  border-color: rgba(255,255,255,0.4);
  color: #fff;
  background: transparent;
}
.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* ===== 导航 ===== */
.site-header {
  background: var(--primary);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(20, 29, 54, 0.4);
  border-bottom: 3px solid var(--accent);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.brand-logo {
  display: inline-flex;
  align-items: baseline;
  font-size: 22px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 1px;
  white-space: nowrap;
}
.brand-logo span {
  color: var(--accent);
  font-weight: 800;
  margin-left: 1px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}
.nav-link {
  position: relative;
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 0;
  letter-spacing: 0.5px;
}
.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 8px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  gap: 5px;
  padding: 0 9px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle:hover {
  background: rgba(255,255,255,0.2);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(20,29,54,0.94) 0%, rgba(43,58,97,0.88) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 80px 0 64px;
  color: #ffffff;
  overflow: hidden;
}
.article-hero::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,163,61,0.25) 0%, transparent 70%);
  pointer-events: none;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 18px;
  gap: 6px;
}
.breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.7);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb-sep {
  color: rgba(255,255,255,0.3);
}
.article-hero-badge {
  margin-bottom: 14px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 50px;
  letter-spacing: 0.5px;
}
.badge-gold {
  background: rgba(232, 163, 61, 0.18);
  color: var(--accent);
  border: 1px solid rgba(232, 163, 61, 0.35);
}
.article-hero h1 {
  font-size: 38px;
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: 0.5px;
  max-width: 860px;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.meta-icon {
  color: var(--accent);
}

/* ===== 文章主体布局 ===== */
.article-body-section {
  padding: 60px 0 70px;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 44px;
  align-items: start;
}
.article-content-wrapper {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 48px 52px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

/* ===== 文章排版 ===== */
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: #2d3149;
}
.article-content > * + * {
  margin-top: 1.3em;
}
.article-content h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.4;
  margin-top: 1.8em;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
  border-radius: 0 6px 6px 0;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 1.5em;
}
.article-content p {
  margin-bottom: 0;
}
.article-content a {
  color: var(--blue);
  border-bottom: 1px solid rgba(74, 103, 245, 0.3);
}
.article-content a:hover {
  color: var(--accent-dark);
  border-color: var(--accent);
}
.article-content ul,
.article-content ol {
  margin: 1.2em 0;
  padding-left: 1.6em;
  list-style: disc;
}
.article-content ul li,
.article-content ol li {
  margin-bottom: 0.5em;
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-light);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: normal;
  color: #4a3f2e;
}
.article-content img {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  margin: 24px 0;
}
.article-content strong {
  color: var(--primary);
  font-weight: 700;
}

/* ===== 未找到 ===== */
.not-found-box {
  text-align: center;
  padding: 60px 20px;
}
.not-found-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--accent);
}
.not-found-box h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
}
.not-found-box p {
  color: var(--muted);
  max-width: 380px;
  margin: 0 auto 24px;
}

/* ===== 侧边栏 ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 92px;
}
.sidebar-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.side-brand-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  background: var(--primary);
  color: #ffffff;
  border: none;
}
.side-brand-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;
  opacity: 0.2;
}
.side-brand-content {
  position: relative;
  z-index: 1;
}
.side-brand-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, #f0b54a, var(--accent-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary-dark);
  box-shadow: 0 8px 20px rgba(232,163,61,0.35);
}
.side-brand-content h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}
.side-brand-content p {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 18px;
  line-height: 1.7;
}
.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.sidebar-title i {
  color: var(--accent);
}
.side-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.side-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  background: transparent;
  transition: var(--transition);
}
.side-links a i {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-light);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}
.side-links a:hover {
  background: var(--bg);
  color: var(--accent-dark);
  transform: translateX(4px);
}
.side-links a:hover i {
  background: var(--accent);
  color: #ffffff;
}
.hot-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hot-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}
.hot-list a {
  flex: 1;
  color: var(--text);
  font-weight: 500;
  padding: 6px 4px;
  border-radius: 6px;
  transition: var(--transition);
}
.hot-list a:hover {
  color: var(--accent-dark);
  padding-left: 10px;
}
.hot-num {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
  flex-shrink: 0;
}
.hot-list li:nth-child(1) .hot-num {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}
.hot-list li:nth-child(2) .hot-num {
  color: var(--accent-dark);
  border-color: rgba(232,163,61,0.4);
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 70px 0;
  background: #ffffff;
}
.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 42px;
}
.section-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.3;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(30,42,74,0.04);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.related-cover {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-cover img {
  transform: scale(1.06);
}
.related-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  letter-spacing: 0.5px;
}
.related-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.related-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.5;
  transition: var(--transition);
}
.related-card:hover .related-body h3 {
  color: var(--accent-dark);
}
.related-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ===== 平台数据 ===== */
.stats-section {
  padding: 0;
  position: relative;
  background: var(--primary-dark);
  color: #ffffff;
}
.stats-bg {
  padding: 70px 0;
  background: linear-gradient(135deg, rgba(20,29,54,0.94) 0%, rgba(30,42,74,0.85) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  position: relative;
  overflow: hidden;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  text-align: center;
}
.stat-item {
  padding: 10px 14px;
}
.stat-num {
  font-size: 40px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.3;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 70px 0;
  background: var(--bg);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(232,163,61,0.4);
}
.faq-item.active {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
}
.faq-question i {
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 22px;
}
.faq-answer p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 70px 0;
}
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 24px;
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(30,42,74,0.25);
}
.cta-banner::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,163,61,0.3) 0%, transparent 70%);
  top: -100px;
  right: -50px;
}
.cta-banner::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  bottom: -60px;
  left: 30px;
}
.cta-info {
  position: relative;
  z-index: 2;
  flex: 1;
  min-width: 260px;
}
.cta-info h2 {
  color: #ffffff;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.4;
}
.cta-info p {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
}
.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.75);
  padding-top: 70px;
  border-top: 4px solid var(--accent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  padding-bottom: 50px;
}
.footer-brand .brand-logo {
  font-size: 26px;
  margin-bottom: 16px;
  display: inline-block;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  max-width: 420px;
  margin-top: 14px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-links h4 {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  padding: 5px 0;
  transition: var(--transition);
  display: inline-block;
}
.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ===== 移动端浮动操作条 ===== */
.mobile-fab {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 900;
}
.fab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 14px;
  padding: 12px 20px;
  border-radius: 50px;
  box-shadow: 0 8px 24px rgba(232, 163, 61, 0.5);
  transition: var(--transition);
}
.fab-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(232,163,61,0.6);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr 300px;
    gap: 32px;
  }
  .article-content-wrapper {
    padding: 36px 36px;
  }
  .related-grid {
    gap: 20px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 20px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 64px);
    flex-direction: column;
    align-items: stretch;
    background: var(--primary-dark);
    padding: 30px 24px;
    gap: 12px;
    transition: right 0.4s ease;
    margin-left: 0;
    box-shadow: -8px 0 30px rgba(0,0,0,0.3);
  }
  .main-nav.open {
    right: 0;
  }
  .nav-link {
    padding: 14px 10px;
    font-size: 16px;
    border-radius: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-link::after {
    display: none;
  }
  .nav-link:hover,
  .nav-link.active {
    background: rgba(255,255,255,0.08);
  }
  .header-actions {
    margin-left: 0;
    margin-right: auto;
  }
  .article-hero {
    padding: 60px 0 50px;
  }
  .article-hero h1 {
    font-size: 28px;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .sidebar-card {
    flex: 1;
    min-width: 260px;
  }
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-banner {
    padding: 36px 30px;
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .mobile-fab {
    display: block;
  }
}

@media (max-width: 520px) {
  .article-content-wrapper {
    padding: 28px 20px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .article-hero h1 {
    font-size: 24px;
  }
  .article-meta {
    gap: 12px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .cta-banner {
    padding: 28px 20px;
  }
  .cta-actions {
    width: 100%;
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
  .faq-question {
    font-size: 15px;
    padding: 16px 18px;
  }
  .faq-item.active .faq-answer {
    padding: 0 18px 18px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #1a2b4a;
  --primary-light: #2d4a7d;
  --primary-dark: #0f1b30;
  --accent: #f0b429;
  --accent-hover: #d19a1c;
  --bg: #f5f7fb;
  --white: #ffffff;
  --text: #1a2332;
  --text-light: #5a6b82;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 28px rgba(22, 42, 74, 0.08);
  --shadow-hover: 0 16px 40px rgba(22, 42, 74, 0.15);
  --transition: 0.3s ease;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 3px solid rgba(240, 180, 41, 0.6);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 28px;
  border: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #f0b429, #e07b1a);
  color: #fff;
  box-shadow: 0 4px 14px rgba(240, 180, 41, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240, 180, 41, 0.45);
  background: linear-gradient(135deg, #f5c344, #e8892e);
  color: #fff;
}

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

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  color: #fff;
}

.btn-sm {
  padding: 7px 20px;
  font-size: 0.85rem;
}

/* ===== Header / 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

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

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

.nav-link {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(240, 180, 41, 0.1);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(240, 180, 41, 0.15);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== 页面横幅 ===== */
.page-hero {
  position: relative;
  padding: 96px 0 76px;
  background-size: cover;
  background-position: center;
  color: #fff;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 27, 48, 0.92), rgba(26, 43, 74, 0.78));
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb i {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

.hero-tag {
  display: inline-block;
  background: rgba(240, 180, 41, 0.18);
  border: 1px solid rgba(240, 180, 41, 0.5);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.page-hero h1 {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

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

.hero-desc {
  max-width: 760px;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
  text-align: center;
  padding: 8px;
}

.stat-item strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
}

.stat-item span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
}

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

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-overline {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  background: rgba(240, 180, 41, 0.12);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.section-head p {
  color: var(--text-light);
  font-size: 1rem;
}

.section-head.light h2 {
  color: #fff;
}

.section-head.light p {
  color: rgba(255, 255, 255, 0.75);
}

.section-head.light .section-overline {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent);
}

/* ===== 核心优势卡片 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(240, 180, 41, 0.45);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(240, 180, 41, 0.15), rgba(224, 123, 26, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform var(--transition);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--primary);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ===== 图文详细指引 ===== */
.content-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 72px;
}

.content-block:last-child {
  margin-bottom: 0;
}

.content-block.reverse .content-image {
  order: 2;
}

.content-block.reverse .content-text {
  order: 1;
}

.content-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.content-tag {
  display: inline-block;
  background: rgba(240, 180, 41, 0.12);
  color: #c77a11;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.content-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.35;
}

.content-text p {
  color: var(--text-light);
  margin-bottom: 12px;
  font-size: 0.98rem;
  line-height: 1.7;
}

.content-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.95rem;
  color: var(--text);
}

.content-list i {
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ===== 快速上手流程 ===== */
.guide-steps {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}

.guide-steps::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(240, 180, 41, 0.08);
  pointer-events: none;
}

.guide-steps::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(45, 74, 125, 0.25);
  pointer-events: none;
}

.guide-steps .container {
  position: relative;
  z-index: 1;
}

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

.step-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
  border-color: rgba(240, 180, 41, 0.35);
}

.step-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 12px;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1;
}

.step-card h3 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step-card p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== 实用提示 ===== */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tip-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.tip-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #e07b1a);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.tip-card:hover::after {
  transform: scaleX(1);
}

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

.tip-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(240, 180, 41, 0.12);
  color: var(--accent);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: transform var(--transition);
}

.tip-card:hover .tip-icon {
  transform: scale(1.08);
}

.tip-card h3 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.tip-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(22, 42, 74, 0.04);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item.active {
  border-color: rgba(240, 180, 41, 0.5);
  box-shadow: 0 6px 20px rgba(240, 180, 41, 0.12);
}

.faq-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  background: none;
  text-align: left;
  transition: color var(--transition);
}

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

.faq-toggle i {
  color: var(--text-light);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-toggle i {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer p {
  padding: 14px 20px 18px;
  border-top: 1px dashed var(--border);
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ===== CTA ===== */
.cta {
  position: relative;
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
  padding: 100px 0;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 27, 48, 0.92), rgba(26, 43, 74, 0.82));
}

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

.cta h2 {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.cta p {
  max-width: 560px;
  margin: 0 auto 32px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  line-height: 1.7;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: #0f1b30;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .brand-logo {
  color: #fff;
  font-size: 1.5rem;
}

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

.footer-brand p {
  margin-top: 14px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 360px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.footer-links a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .content-block {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 99;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 12px 20px;
    font-size: 1rem;
  }

  .content-block,
  .content-block.reverse {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .content-block.reverse .content-image {
    order: 1;
  }

  .content-block.reverse .content-text {
    order: 2;
  }

  .content-image img {
    height: 240px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta {
    padding: 70px 0;
  }

  .cta h2 {
    font-size: 1.7rem;
  }
}

@media (max-width: 520px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .header-actions .btn {
    display: none;
  }

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

  .page-hero h1 {
    font-size: 1.6rem;
  }

  .hero-desc {
    font-size: 0.98rem;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 32px;
    padding-top: 24px;
  }

  .section-head h2 {
    font-size: 1.5rem;
  }

  .content-text h3 {
    font-size: 1.25rem;
  }

  .faq-toggle {
    font-size: 0.95rem;
    padding: 16px;
  }

  .faq-answer p {
    font-size: 0.9rem;
  }

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

  .cta-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* roulang page: category2 */
:root {
  --primary: #F6B400;
  --primary-hover: #FFC933;
  --accent: #7C5CFC;
  --dark-bg: #0B1020;
  --dark-bg-2: #111830;
  --light-bg: #F4F6FB;
  --white: #FFFFFF;
  --text: #1A2233;
  --text-muted: #667085;
  --border: #E5E9F2;
  --danger: #F04438;
  --success: #12B76A;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 6px 24px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 16px 48px rgba(16, 24, 40, 0.12);
  --transition: all 0.3s ease;
  --container-width: 1200px;
  --header-height: 72px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--light-bg);
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
/* ===== Header Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 16, 32, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.18);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}
.brand-logo {
  font-size: 24px;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: 0.5px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0;
}
.brand-logo span {
  color: var(--primary);
  margin-left: 2px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.72);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}
.nav-link.active {
  color: var(--primary);
  background: rgba(246, 180, 0, 0.1);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #111830;
  box-shadow: 0 4px 16px rgba(246, 180, 0, 0.3);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(246, 180, 0, 0.4);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(246, 180, 0, 0.2);
}
.btn-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}
.btn-dark:hover {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.06);
}
.btn-sm {
  padding: 10px 22px;
  font-size: 14px;
}
.btn-md {
  padding: 14px 32px;
  font-size: 16px;
}
.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}
/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 110px 0 90px;
  color: #FFFFFF;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 16, 32, 0.94) 20%, rgba(11, 16, 32, 0.72) 55%, rgba(124, 92, 252, 0.35) 100%);
}
.page-banner::after {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(246, 180, 0, 0.22) 0%, transparent 70%);
  top: -120px;
  right: -80px;
  pointer-events: none;
}
.banner-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #FFE59A;
  margin-bottom: 22px;
}
.banner-tag i {
  color: var(--primary);
}
.banner-inner h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 1px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #FFFFFF 30%, #FFE59A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.banner-inner p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 640px;
}
.banner-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.stat-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  min-width: 130px;
  backdrop-filter: blur(6px);
  text-align: center;
  transition: var(--transition);
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}
.stat-item strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stat-item span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
  display: block;
}
/* ===== Tag Section ===== */
.tag-section {
  padding: 40px 0 8px;
  position: relative;
  z-index: 3;
}
.tag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.tag-row-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: 14px;
  color: var(--text);
  margin-right: 6px;
  white-space: nowrap;
}
.tag-row-label i {
  color: var(--danger);
}
.tag-item {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--light-bg);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: var(--transition);
}
.tag-item:hover {
  color: var(--primary);
  background: rgba(246, 180, 0, 0.08);
  border-color: rgba(246, 180, 0, 0.3);
}
.tag-item.active {
  background: var(--dark-bg);
  color: var(--primary);
  border-color: var(--dark-bg);
}
/* ===== Section Common ===== */
.section {
  padding: 80px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--text);
}
.section-head .section-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-top: 8px;
  max-width: 520px;
}
.section-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--accent);
  white-space: nowrap;
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(124, 92, 252, 0.06);
  border: 1px solid rgba(124, 92, 252, 0.12);
  transition: var(--transition);
}
.section-more:hover {
  background: var(--accent);
  color: #fff;
  transform: translateX(4px);
  border-color: var(--accent);
}
/* ===== News Section ===== */
.news-section {
  padding: 60px 0 30px;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(246, 180, 0, 0.3);
}
.news-card.featured {
  grid-column: span 2;
  grid-row: span 1;
}
.news-card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--dark-bg-2);
}
.news-card.featured .news-card-cover {
  aspect-ratio: 16 / 10;
}
.news-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.news-card:hover .news-card-cover img {
  transform: scale(1.06);
}
.news-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 16, 32, 0.5) 0%, transparent 40%);
  opacity: 0;
  transition: var(--transition);
}
.news-card:hover .news-card-cover::after {
  opacity: 1;
}
.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(246, 180, 0, 0.95);
  color: #111830;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 999px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(4px);
}
.card-badge.hot {
  background: rgba(240, 68, 56, 0.95);
  color: #fff;
}
.card-more {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}
.news-card:hover .card-more {
  opacity: 1;
  transform: translateY(0);
}
.news-card-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.card-meta .meta-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-meta .meta-date i {
  color: var(--accent);
  font-size: 12px;
}
.card-meta .meta-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-meta .meta-read i {
  color: var(--danger);
  font-size: 12px;
}
.news-card-body h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text);
  transition: var(--transition);
}
.news-card-body h3 a:hover {
  color: var(--accent);
}
.news-card.featured .news-card-body h3 {
  font-size: 22px;
}
.news-card-body p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(229, 233, 242, 0.7);
}
.card-cate {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(124, 92, 252, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
}
.card-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.card-link:hover {
  color: var(--primary);
  gap: 10px;
}
/* ===== Featured Section ===== */
.featured-section {
  padding: 70px 0;
  background: linear-gradient(180deg, var(--light-bg) 0%, #EDF0F7 100%);
}
.featured-card {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  background: var(--white);
  border-radius: calc(var(--radius-lg) * 1.4);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.featured-image {
  position: relative;
  min-height: 400px;
  overflow: hidden;
}
.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 0.8s ease;
}
.featured-card:hover .featured-image img {
  transform: scale(1.04);
}
.featured-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 70%, rgba(11, 16, 32, 0.3));
}
.featured-content {
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  background: linear-gradient(135deg, var(--accent), #9B8CFF);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
  box-shadow: 0 4px 14px rgba(124, 92, 252, 0.32);
}
.featured-content h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 18px;
  color: var(--text);
}
.featured-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.featured-list {
  margin-bottom: 24px;
}
.featured-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 14.5px;
  color: var(--text);
}
.featured-list li i {
  color: var(--success);
  margin-top: 4px;
  font-size: 14px;
}
.featured-content .btn {
  align-self: flex-start;
}
.btn-outline-primary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline-primary:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 92, 252, 0.28);
}
/* ===== Rank Section ===== */
.rank-section {
  padding: 70px 0;
}
.rank-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.rank-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(246, 180, 0, 0.4);
}
.rank-num {
  font-size: 26px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  min-width: 44px;
  text-align: center;
  font-style: italic;
}
.rank-item:nth-child(1) .rank-num {
  color: var(--danger);
}
.rank-item:nth-child(2) .rank-num {
  color: var(--primary);
}
.rank-item:nth-child(3) .rank-num {
  color: var(--accent);
}
.rank-content {
  flex: 1;
  min-width: 0;
}
.rank-content h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rank-content p {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rank-link {
  color: var(--text-muted);
  font-size: 14px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--light-bg);
  transition: var(--transition);
  flex-shrink: 0;
}
.rank-item:hover .rank-link {
  background: var(--primary);
  color: #111830;
}
/* ===== Newsletter CTA ===== */
.newsletter-section {
  padding: 70px 0;
  position: relative;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.newsletter-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 16, 32, 0.92) 20%, rgba(11, 16, 32, 0.78) 60%, rgba(124, 92, 252, 0.4) 100%);
}
.newsletter-box {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}
.newsletter-box h2 {
  font-size: 30px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
}
.newsletter-box p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  margin-bottom: 32px;
}
.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 16px;
}
.newsletter-form input {
  flex: 1;
  height: 52px;
  border-radius: 999px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 15px;
  transition: var(--transition);
}
.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}
.newsletter-form input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.16);
  box-shadow: 0 0 0 4px rgba(246, 180, 0, 0.15);
}
.newsletter-tip {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}
/* ===== FAQ Section ===== */
.faq-section {
  padding: 70px 0;
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 10px;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(246, 180, 0, 0.35);
  box-shadow: var(--shadow-md);
}
.faq-item h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.faq-item h4 i {
  color: var(--primary);
  font-size: 13px;
  width: 22px;
  height: 22px;
  background: rgba(246, 180, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}
.faq-item p {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-muted);
  padding-left: 32px;
}
/* ===== Footer ===== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand .brand-logo {
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 360px;
}
.footer-links h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--primary);
  padding-left: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a:hover {
  color: var(--primary);
}
/* ===== Back to top ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--dark-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 6px 20px rgba(11, 16, 32, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  border: 1px solid rgba(246, 180, 0, 0.2);
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  background: var(--primary);
  color: #111830;
  transform: translateY(-4px);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-card.featured {
    grid-column: span 2;
  }
  .featured-card {
    grid-template-columns: 1fr;
  }
  .featured-image {
    min-height: 300px;
  }
  .featured-image img {
    position: relative;
  }
  .rank-list {
    grid-template-columns: 1fr;
  }
  .main-nav {
    gap: 2px;
  }
  .nav-link {
    padding: 8px 14px;
    font-size: 14px;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }
  .header-inner {
    height: 62px;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--dark-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 24px 30px;
    gap: 6px;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    z-index: 99;
  }
  .main-nav.open {
    right: 0;
  }
  .nav-link {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
  }
  .nav-link.active {
    background: rgba(246, 180, 0, 0.1);
  }
  .nav-link.active::after {
    display: none;
  }
  .nav-toggle {
    display: flex;
    z-index: 101;
  }
  .header-actions .btn-sm {
    font-size: 13px;
    padding: 8px 14px;
  }
  .page-banner {
    padding: 70px 0 50px;
  }
  .page-banner h1 {
    font-size: 34px;
  }
  .page-banner p {
    font-size: 15px;
  }
  .stat-item {
    padding: 12px 18px;
    min-width: 100px;
  }
  .stat-item strong {
    font-size: 22px;
  }
  .section {
    padding: 50px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 28px;
  }
  .news-section {
    padding: 40px 0 20px;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .news-card.featured {
    grid-column: span 1;
  }
  .news-card.featured .news-card-cover {
    aspect-ratio: 3 / 2;
  }
  .featured-card {
    border-radius: var(--radius-lg);
  }
  .featured-content {
    padding: 30px 24px;
  }
  .featured-list li {
    font-size: 14px;
  }
  .rank-section {
    padding: 50px 0;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-box {
    padding: 36px 22px;
  }
  .newsletter-form {
    flex-direction: column;
  }
  .newsletter-form input {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 30px;
  }
  .newsletter-section {
    background-attachment: scroll;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 14px;
  }
  .brand-logo {
    font-size: 18px;
  }
  .header-actions .btn-sm {
    display: none;
  }
  .page-banner {
    padding: 54px 0 40px;
  }
  .page-banner h1 {
    font-size: 28px;
  }
  .banner-stats {
    gap: 8px;
  }
  .stat-item {
    min-width: 0;
    flex: 1;
    padding: 10px 8px;
  }
  .stat-item strong {
    font-size: 18px;
  }
  .stat-item span {
    font-size: 11px;
  }
  .tag-row {
    padding: 12px;
    gap: 8px;
  }
  .tag-item {
    padding: 5px 12px;
    font-size: 12px;
  }
  .news-card-body {
    padding: 18px;
  }
  .news-card-body h3 {
    font-size: 16.5px;
  }
  .news-card.featured .news-card-body h3 {
    font-size: 18px;
  }
  .section-more {
    font-size: 13px;
    padding: 8px 16px;
  }
  .rank-item {
    padding: 14px;
  }
  .rank-num {
    font-size: 20px;
    min-width: 32px;
  }
  .rank-content h4 {
    font-size: 14.5px;
  }
  .rank-content p {
    font-size: 12px;
  }
  .faq-item {
    padding: 20px;
  }
  .faq-item p {
    padding-left: 0;
    font-size: 14px;
  }
  .faq-item h4 {
    font-size: 15px;
  }
  .newsletter-box h2 {
    font-size: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}