/* roulang page: index */
:root {
  --primary: #1a2b4c;
  --primary-dark: #101f38;
  --primary-light: #2d4870;
  --accent: #d4a24c;
  --accent-strong: #c08a2e;
  --accent-light: #f5e3c2;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --dark: #0e1826;
  --text: #1f2a3a;
  --text-light: #63748a;
  --border: #dfe5ec;
  --shadow-sm: 0 2px 10px rgba(10,20,35,.05);
  --shadow-md: 0 8px 28px rgba(10,20,35,.08);
  --shadow-lg: 0 18px 48px rgba(10,20,35,.13);
  --radius: 14px;
  --radius-sm: 9px;
  --transition: all .25s ease;
  --font: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:86px 0}
.section-head{max-width:720px;margin:0 auto 46px;text-align:center}
.section-tag{display:inline-block;background:var(--accent-light);color:var(--accent-strong);font-size:13px;font-weight:700;padding:5px 16px;border-radius:30px;letter-spacing:.5px;margin-bottom:14px}
.section-head h2{font-size:33px;color:var(--primary);line-height:1.35;font-weight:800;letter-spacing:-.5px;margin-bottom:10px}
.section-head p{color:var(--text-light);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:600;text-decoration:none;border-radius:10px;transition:var(--transition);line-height:1.2;font-size:16px}
.btn-primary{background:var(--primary);color:#fff;padding:13px 30px}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--accent);color:#fff;padding:13px 30px}
.btn-accent:hover{background:var(--accent-strong);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.72);padding:11px 26px}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-lg{padding:15px 38px;font-size:17px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--primary);white-space:nowrap;transition:var(--transition)}
.brand:hover{opacity:.86}
.brand-icon{color:var(--accent);font-size:25px;line-height:1}
.brand-text{letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{padding:9px 18px;border-radius:8px;color:var(--text);font-weight:500;transition:var(--transition);font-size:15px}
.nav-link:hover{background:var(--bg);color:var(--primary)}
.nav-link.active{background:var(--primary);color:#fff}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--primary);line-height:1;padding:4px}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;background-color:var(--dark);background-image:linear-gradient(135deg,rgba(14,24,38,.95) 0%,rgba(26,43,76,.84) 55%,rgba(45,72,112,.66) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;background-repeat:no-repeat;padding:112px 0 128px;text-align:center}
.hero-badge{display:inline-block;background:rgba(212,162,76,.22);border:1px solid rgba(212,162,76,.55);color:#f7d69a;font-size:13px;font-weight:600;padding:6px 20px;border-radius:30px;letter-spacing:1px;margin-bottom:26px}
.hero-title{font-size:52px;font-weight:900;letter-spacing:-1px;line-height:1.2;margin-bottom:20px;text-shadow:0 4px 18px rgba(0,0,0,.3)}
.hero-title span{color:var(--accent)}
.hero-desc{font-size:18px;color:rgba(255,255,255,.86);line-height:1.8;max-width:680px;margin:0 auto 36px}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero-meta{display:flex;justify-content:center;gap:26px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.82)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta span::before{content:"✓";color:var(--accent);font-weight:700}

/* ===== Ticker ===== */
.ticker{background:var(--accent);color:var(--dark);padding:11px 0;overflow:hidden}
.ticker-track{display:flex;gap:48px;white-space:nowrap;animation:tickerMove 26s linear infinite;width:max-content}
.ticker-track span{font-size:14px;font-weight:600;letter-spacing:.3px}
.ticker-track i{font-style:normal;opacity:.6;margin:0 4px}
@keyframes tickerMove{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ===== Features ===== */
.feature-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);padding:34px 28px;text-align:center;transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent);opacity:0;transition:var(--transition)}
.feature-card:hover::before{opacity:1}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-icon{width:62px;height:62px;border-radius:16px;background:var(--accent-light);color:var(--accent-strong);font-size:28px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.feature-card h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-light);line-height:1.7}

/* ===== Categories ===== */
.categories{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.category-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.category-card img{width:100%;height:190px;object-fit:cover;transition:var(--transition)}
.category-card:hover img{transform:scale(1.04)}
.category-card-body{padding:25px;flex:1;display:flex;flex-direction:column}
.category-label{display:inline-block;background:var(--accent-light);color:var(--accent-strong);font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;align-self:flex-start;margin-bottom:12px}
.category-card h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:8px}
.category-card p{font-size:14px;color:var(--text-light);line-height:1.7;flex:1}
.category-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;margin-top:18px;transition:var(--transition)}
.category-link:hover{color:var(--accent-strong);gap:10px}

/* ===== Featured ===== */
.featured-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.featured-image{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.featured-image img{width:100%;height:100%;min-height:360px;object-fit:cover}
.featured-image::after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,rgba(26,43,76,.18),transparent 60%)}
.featured-content h2{font-size:32px;color:var(--primary);font-weight:800;line-height:1.4;margin-bottom:18px}
.featured-content>p{color:var(--text-light);line-height:1.8;margin-bottom:26px}
.featured-list{list-style:none;margin-bottom:30px}
.featured-list li{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:15px;color:var(--text)}
.featured-list .check{color:var(--accent-strong);font-weight:800;font-size:18px}

/* ===== News ===== */
.news-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.news-item{display:grid;grid-template-columns:8px 92px 1fr auto;align-items:center;gap:18px;padding:20px 24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);text-decoration:none;color:var(--text);transition:var(--transition)}
.news-item:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--accent)}
.news-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}
.news-cat{font-size:13px;font-weight:600;color:var(--accent-strong);background:var(--accent-light);padding:4px 12px;border-radius:20px;text-align:center;white-space:nowrap}
.news-title{font-size:16px;font-weight:600;line-height:1.45;}
.news-summary{font-size:13px;color:var(--text-light);grid-column:1;-webkit-line-clamp:1;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden;margin-top:2px}
.news-date{font-size:13px;color:var(--text-light);white-space:nowrap}
.news-empty{text-align:center;padding:40px 0;color:var(--text-light);background:var(--surface);border-radius:var(--radius-sm);border:1px dashed var(--border)}

/* ===== Stats ===== */
.stats-section{background:var(--dark);background-image:linear-gradient(135deg,rgba(14,24,38,.94),rgba(26,43,76,.88)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;padding:84px 0;color:#fff;text-align:center}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{padding:20px}
.stat-number{display:block;font-size:44px;font-weight:900;color:var(--accent);line-height:1.2;margin-bottom:8px}
.stat-label{display:block;font-size:15px;color:rgba(255,255,255,.74);letter-spacing:.5px}

/* ===== Steps ===== */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:34px 26px;text-align:center;position:relative;transition:var(--transition)}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;font-size:20px;font-weight:800;margin-bottom:20px;position:relative;z-index:1}
.step-card h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:10px}
.step-card p{font-size:14px;color:var(--text-light);line-height:1.7}
.step-card::after{content:"";position:absolute;top:50%;right:-14px;width:28px;height:2px;background:var(--border);display:none}
.step-card:not(:last-child)::after{display:block}

/* ===== FAQ ===== */
.faq-section{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:var(--transition)}
.faq-item.active{border-color:var(--accent);box-shadow:var(--shadow-sm)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:none;padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);text-align:left;transition:var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--accent-light);color:var(--accent-strong);font-size:18px;font-weight:700;flex-shrink:0;transition:var(--transition)}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease, padding .3s ease;padding:0 24px;color:var(--text-light);font-size:14px;line-height:1.8}
.faq-item.active .faq-answer{max-height:500px;padding:0 24px 22px}

/* ===== CTA ===== */
.cta-section{padding:90px 0}
.cta-box{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 60%,var(--accent-strong) 130%);border-radius:var(--radius);padding:60px 48px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;top:-60px;right:-60px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-box h2{font-size:32px;font-weight:800;margin-bottom:12px}
.cta-box p{font-size:16px;color:rgba(255,255,255,.82);margin-bottom:30px}
.cta-box .btn-accent{background:#fff;color:var(--primary)}
.cta-box .btn-accent:hover{background:var(--accent-light);color:var(--primary);transform:translateY(-2px)}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.74);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .footer-logo{font-size:22px;font-weight:800;color:#fff;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.footer-brand .footer-logo .logo-icon{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.7;max-width:300px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.68);transition:var(--transition)}
.footer-col a:hover{color:var(--accent);padding-left:6px}
.footer-col p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.58)}
.footer-bottom{padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--accent)}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:42px}
}
@media (max-width: 768px) {
  .section{padding:64px 0}
  .hero{padding:86px 0 96px}
  .hero-title{font-size:34px}
  .hero-desc{font-size:16px}
  .main-nav{position:fixed;top:76px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;gap:4px;box-shadow:var(--shadow-lg);transform:translateY(-120%);transition:var(--transition);border-radius:0 0 16px 16px;z-index:99;opacity:0}
  .main-nav.open{transform:translateY(0);opacity:1}
  .nav-link{display:block;padding:12px 16px;font-size:16px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;background:var(--bg);border-radius:10px}
  .header-actions .btn-sm{display:none}
  .section-head h2{font-size:26px}
  .featured-grid{grid-template-columns:1fr;gap:32px}
  .featured-image img{min-height:240px}
  .news-item{grid-template-columns:1fr auto;gap:6px 12px;padding:16px 18px}
  .news-dot{display:none}
  .news-summary{grid-column:1 / -1;margin-top:2px}
  .news-cat{grid-column:1;justify-self:start;font-size:12px}
  .news-title{font-size:15px;grid-column:1 / -1}
  .news-date{grid-column:2;grid-row:1;font-size:12px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .stat-number{font-size:36px}
  .cta-box{padding:44px 24px}
  .cta-box h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 520px) {
  .container{padding:0 16px}
  .brand-text{font-size:17px}
  .hero-title{font-size:30px}
  .hero-actions .btn{width:100%;max-width:280px}
  .feature-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .step-card::after{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{font-size:12px}
  .news-item{padding:14px}
}

/* ===== Focus ===== */
:focus-visible{outline:3px solid rgba(212,162,76,.5);outline-offset:2px}
.btn:active,.nav-link:active,.category-card:active,.news-item:active{transform:scale(.98)}

/* roulang page: article */
:root {
  --primary: #1a4fd6;
  --primary-dark: #0f3a9e;
  --primary-light: #e8efff;
  --accent: #ff7a1a;
  --accent-light: #fff1e6;
  --bg: #f5f7fb;
  --bg-white: #ffffff;
  --bg-dark: #0e1a2e;
  --border: #e3e8f0;
  --border-light: #eef1f6;
  --text: #1a2333;
  --text-body: #3d4a5c;
  --text-muted: #8494a8;
  --text-light: #ffffff;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(30, 50, 90, 0.06);
  --shadow: 0 6px 24px rgba(30, 50, 90, 0.08);
  --shadow-lg: 0 14px 40px rgba(30, 50, 90, 0.12);
  --transition: 0.25s ease;
  --spacing: 96px;
  --container: 1280px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

input, textarea {
  font-family: var(--font-family);
  font-size: 14px;
}

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

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 2px 12px rgba(30, 50, 90, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

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

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), #3b6bff);
  color: #fff;
  border-radius: 10px;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(26, 79, 214, 0.28);
}

.brand-text {
  background: linear-gradient(135deg, var(--primary), #2563eb);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-body);
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  box-shadow: inset 0 0 0 1px rgba(26, 79, 214, 0.08);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 700;
  border-radius: 10px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #3b6bff);
  color: #fff;
  border: none;
  box-shadow: 0 4px 16px rgba(26, 79, 214, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #1a4fd6);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(26, 79, 214, 0.32);
}

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

.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  align-items: center;
  justify-content: center;
}

.nav-toggle:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

/* ===== Article Page ===== */
.article-banner {
  position: relative;
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #0e1a2e 0%, #142a4d 50%, #1a3a6b 100%);
  color: white;
  overflow: hidden;
}

.article-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(10, 20, 40, 0.7), rgba(10, 20, 40, 0.7)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}

.article-banner::after {
  content: "";
  position: absolute;
  bottom: -80px;
  right: -40px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(59, 107, 255, 0.3), transparent 70%);
  border-radius: 50%;
  z-index: 1;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb-sep {
  opacity: 0.5;
}

.article-title {
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.3;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  max-width: 900px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}

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

.meta-icon {
  opacity: 0.7;
}

.meta-cat {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 2px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

/* Main Layout */
.article-layout {
  padding: 60px 0 80px;
}

.article-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.article-body-wrap {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.article-body {
  padding: 40px 44px;
}

.article-body h2 {
  font-size: 24px;
  color: var(--text);
  margin: 36px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-light);
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.article-body h3 {
  font-size: 20px;
  color: var(--text);
  margin: 28px 0 12px;
  line-height: 1.4;
}

.article-body p {
  margin-bottom: 18px;
  line-height: 1.9;
  color: var(--text-body);
  font-size: 16px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 20px;
  padding: 0;
  line-height: 1.9;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body strong {
  color: var(--text);
  font-weight: 700;
}

.article-body blockquote {
  margin: 28px 0;
  padding: 20px 28px;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.8;
}

.article-body img {
  border-radius: var(--radius);
  margin: 28px 0;
  box-shadow: var(--shadow-sm);
}

.article-body .content-footnote {
  margin-top: 40px;
  padding: 20px 24px;
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Sidebar */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  transition: box-shadow var(--transition);
}

.sidebar-card:hover {
  box-shadow: var(--shadow);
}

.sidebar-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card-title .icon {
  color: var(--primary);
}

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

.sidebar-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-light);
  font-size: 14px;
  line-height: 1.6;
}

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

.sidebar-list .num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.sidebar-list li:nth-child(1) .num {
  background: linear-gradient(135deg, #ff7a1a, #ff9d4d);
  color: #fff;
}

.sidebar-list li:nth-child(2) .num {
  background: linear-gradient(135deg, #3b6bff, #5b8bff);
  color: #fff;
}

.sidebar-list li:nth-child(3) .num {
  background: linear-gradient(135deg, #10b981, #34d399);
  color: #fff;
}

.sidebar-list a {
  color: var(--text-body);
  font-weight: 500;
  line-height: 1.5;
}

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

.sidebar-cta {
  background: linear-gradient(135deg, #0e1a2e, #1a3a6b);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.sidebar-cta::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 140px;
  height: 140px;
  background: rgba(59, 107, 255, 0.3);
  border-radius: 50%;
}

.sidebar-cta h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.sidebar-cta p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.sidebar-cta .btn {
  position: relative;
  z-index: 1;
  width: 100%;
  background: #fff;
  color: var(--primary);
}

.sidebar-cta .btn:hover {
  background: var(--accent);
  color: #fff;
}

/* Related Articles */
.related-section {
  margin-top: 60px;
}

.related-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 36px;
  letter-spacing: -0.01em;
}

.related-title span {
  color: var(--primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.related-card-image {
  height: 180px;
  overflow: hidden;
  background: var(--primary-light);
}

.related-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.related-card:hover .related-card-image img {
  transform: scale(1.05);
}

.related-card-body {
  padding: 20px 22px 24px;
}

.related-card-body h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card-body h4 a {
  color: var(--text);
}

.related-card-body h4 a:hover {
  color: var(--primary);
}

.related-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.related-card-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  display: inline-block;
}

/* CTA Section */
.article-cta {
  margin-top: 60px;
  padding: 48px 40px;
  background: linear-gradient(135deg, var(--primary), #3b6bff);
  border-radius: var(--radius-lg);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(26, 79, 214, 0.25);
}

.article-cta::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.article-cta::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -30px;
  width: 160px;
  height: 160px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.article-cta h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.article-cta p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.article-cta .btn {
  background: #fff;
  color: var(--primary);
  font-size: 16px;
  padding: 14px 36px;
  border-radius: 12px;
  font-weight: 700;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.article-cta .btn:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
}

/* Footer */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.footer-logo:hover {
  color: #fff;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary), #3b6bff);
  color: #fff;
  border-radius: 9px;
  font-size: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 2.2;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: #fff;
}

.footer-col p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom p {
  margin: 0;
}

/* Status / Error */
.notfound-box {
  padding: 80px 24px;
  text-align: center;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
}

.notfound-box .icon {
  font-size: 56px;
  margin-bottom: 16px;
  color: var(--accent);
}

.notfound-box h1 {
  font-size: 26px;
  color: var(--text);
  margin-bottom: 12px;
}

.notfound-box p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.notfound-box .btn {
  font-size: 15px;
  padding: 12px 32px;
}

/* Responsive */
@media (max-width: 1024px) {
  .article-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid var(--border);
  }

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

  .nav-toggle {
    display: inline-flex;
  }

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

  .article-banner {
    padding: 48px 0 36px;
  }

  .article-body {
    padding: 28px 24px;
  }

  .article-body h2 {
    font-size: 20px;
  }

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

  .article-cta {
    padding: 36px 24px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  :root {
    --spacing: 60px;
  }
}

@media (max-width: 520px) {
  .header-inner {
    height: 64px;
  }

  .brand-text {
    font-size: 17px;
  }

  .brand-icon {
    width: 30px;
    height: 30px;
    font-size: 15px;
  }

  .article-title {
    font-size: 24px;
  }

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

  .article-body {
    padding: 22px 16px;
  }

  .sidebar-card {
    padding: 20px;
  }

  .footer-grid {
    padding-bottom: 32px;
  }

  .related-card-image {
    height: 160px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

/* roulang page: category1 */
:root{
  --primary:#14215c;
  --primary-2:#1a2a6c;
  --primary-light:#2d3f8f;
  --accent:#f0a14a;
  --accent-2:#f59e0b;
  --accent-soft:#fff7ed;
  --bg:#f6f8fc;
  --bg-white:#ffffff;
  --bg-dark:#0e1533;
  --text:#1d2b4f;
  --text-body:#3e4a63;
  --text-weak:#7a86a1;
  --border:#e4e9f2;
  --border-dark:#2a3560;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(20,33,92,.06);
  --shadow-md:0 6px 24px rgba(20,33,92,.08);
  --shadow-lg:0 16px 48px rgba(20,33,92,.14);
  --container:1200px;
  --space-section:100px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text-body);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:color .25s ease}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:44px;gap:24px;flex-wrap:wrap}
.section-kicker{font-size:13px;letter-spacing:3px;color:var(--accent);font-weight:700;text-transform:uppercase;margin-bottom:8px;display:block}
.section-title{font-size:32px;font-weight:800;color:var(--primary);line-height:1.3}
.section-desc{color:var(--text-weak);max-width:580px;margin-top:10px;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:600;border-radius:var(--radius-sm);transition:all .25s ease;outline:none}
.btn:focus-visible{box-shadow:0 0 0 4px rgba(240,161,74,.35)}
.btn-primary{background:linear-gradient(135deg,var(--accent-2),#e07b1f);color:#fff;box-shadow:0 6px 18px rgba(240,126,36,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(240,126,36,.45);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(0,0,0,.12)}
.btn-light:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 34px;font-size:16px;border-radius:12px}
.btn-sm{padding:9px 22px;font-size:14px;border-radius:10px}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px;flex-shrink:0}
.brand-icon{color:var(--accent);font-size:22px;line-height:1}
.main-nav{display:flex;gap:6px;align-items:center}
.nav-link{
  padding:10px 18px;border-radius:999px;font-weight:500;
  color:var(--text-body);font-size:15px;line-height:1.4;
  transition:all .25s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:var(--bg)}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(26,42,108,.25)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;background:none;border:1px solid var(--border);border-radius:8px;
  width:40px;height:40px;font-size:20px;color:var(--primary);cursor:pointer;
  align-items:center;justify-content:center;transition:all .25s ease;
}
.nav-toggle:hover{background:var(--bg);border-color:var(--primary)}
.page-banner{
  position:relative;
  background:linear-gradient(120deg,rgba(8,15,44,.92) 20%,rgba(26,42,108,.78) 60%,rgba(45,63,143,.66)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;padding:110px 0 120px;overflow:hidden;
}
.banner-inner{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 24px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  color:#fde7c8;padding:7px 18px;border-radius:999px;font-size:13px;
  margin-bottom:22px;backdrop-filter:blur(6px);letter-spacing:1px;
}
.banner-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.banner-title{font-size:48px;line-height:1.18;font-weight:800;margin-bottom:18px;color:#fff;max-width:640px}
.banner-title span{color:var(--accent)}
.banner-desc{font-size:18px;color:rgba(255,255,255,.85);max-width:600px;margin-bottom:32px;line-height:1.8}
.banner-actions{display:flex;gap:16px;flex-wrap:wrap}
.banner-note{display:flex;align-items:center;gap:8px;margin-top:30px;font-size:13px;color:rgba(255,255,255,.6)}
.banner-note i{font-style:normal;color:var(--accent)}
.stats-wrapper{position:relative;z-index:5;margin-top:-52px;padding:0 24px;max-width:var(--container);margin-left:auto;margin-right:auto}
.stats-strip{
  background:#fff;border-radius:20px;box-shadow:var(--shadow-lg);
  padding:36px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border:1px solid rgba(228,233,242,.7);
}
.stat-item{text-align:center;padding:8px 12px;position:relative}
.stat-item + .stat-item::before{content:"";position:absolute;left:-12px;top:20%;height:60%;width:1px;background:var(--border)}
.stat-num{font-size:34px;font-weight:800;color:var(--primary);line-height:1.2}
.stat-num small{font-size:16px;font-weight:700;color:var(--accent)}
.stat-label{font-size:14px;color:var(--text-weak);margin-top:8px;letter-spacing:.5px}
.entrance-section{background:var(--bg)}
.entrance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.entrance-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:all .3s ease;display:flex;flex-direction:column;
  position:relative;
}
.entrance-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.entrance-thumb{position:relative;height:185px;overflow:hidden}
.entrance-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.entrance-card:hover .entrance-thumb img{transform:scale(1.07)}
.entrance-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,18,50,.35))}
.entrance-tag{
  position:absolute;top:16px;left:16px;z-index:2;
  background:rgba(15,23,42,.75);color:#fff;font-size:12px;
  padding:5px 14px;border-radius:999px;backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.15);letter-spacing:.5px;
}
.entrance-body{padding:26px;display:flex;flex-direction:column;flex:1}
.entrance-body h3{font-size:19px;font-weight:700;color:var(--primary);margin-bottom:10px;line-height:1.4}
.entrance-body p{font-size:14px;color:var(--text-weak);line-height:1.75;flex:1}
.entrance-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  color:var(--accent);font-weight:600;font-size:14px;transition:gap .25s ease;
}
.entrance-link:hover{gap:12px;color:#d97706}
.entrance-link::after{content:"→";transition:transform .25s ease}
.ranking-section{background:var(--bg-white);border-top:1px solid var(--border)}
.ranking-header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ranking-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);border:1px solid #fde3c0;color:#b45309;font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px}
.ranking-list{display:grid;gap:14px;margin-top:40px}
.ranking-item{
  display:flex;align-items:center;gap:20px;
  background:var(--bg);border-radius:var(--radius-md);
  padding:20px 24px;transition:all .25s ease;
  border:1px solid transparent;
}
.ranking-item:hover{background:#fff;border-color:var(--border);box-shadow:var(--shadow-md);transform:translateX(8px)}
.rank-num{font-size:22px;font-weight:800;color:#c0c7d8;min-width:44px;font-family:Georgia,"Times New Roman",serif}
.ranking-item:nth-child(1) .rank-num{color:var(--accent);font-size:26px}
.ranking-item:nth-child(2) .rank-num{color:#c0a37a}
.ranking-item:nth-child(3) .rank-num{color:#b08d6a}
.rank-info{flex:1;min-width:0}
.rank-info h4{font-size:16px;font-weight:600;color:var(--primary);margin-bottom:2px}
.rank-info p{font-size:13px;color:var(--text-weak);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-meta{font-size:13px;color:var(--text-weak);background:#fff;padding:6px 16px;border-radius:999px;border:1px solid var(--border);white-space:nowrap;flex-shrink:0}
.rank-meta strong{color:var(--accent);font-weight:700;margin-right:2px}
.steps-section{
  background:linear-gradient(135deg,#0e1533,#1a2a6c);color:#fff;
  position:relative;overflow:hidden;
}
.steps-section::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.12;
}
.steps-section .section-kicker{color:var(--accent)}
.steps-section .section-title{color:#fff}
.steps-section .section-desc{color:rgba(255,255,255,.65)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2}
.step-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:32px 28px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:all .3s ease;position:relative;
}
.step-card::before{content:"";position:absolute;top:0;left:28px;right:28px;height:2px;background:linear-gradient(90deg,var(--accent),transparent);border-radius:2px;opacity:0;transition:opacity .3s ease}
.step-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.step-card:hover::before{opacity:1}
.step-num{font-size:38px;font-weight:800;line-height:1;background:linear-gradient(135deg,var(--accent),#e07b1f);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.step-card h3{font-size:18px;font-weight:600;color:#fff;margin:20px 0 10px}
.step-card p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.news-section{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.news-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px 24px;display:flex;gap:18px;align-items:flex-start;
  transition:all .25s ease;
}
.news-item:hover{box-shadow:var(--shadow-md);border-color:transparent;transform:translateY(-4px)}
.news-dot{flex-shrink:0;width:10px;height:10px;border-radius:50%;background:var(--accent);margin-top:9px;box-shadow:0 0 0 4px rgba(240,161,74,.15)}
.news-item:nth-child(2) .news-dot{background:#6c8cff;box-shadow:0 0 0 4px rgba(108,140,255,.15)}
.news-item:nth-child(3) .news-dot{background:#34c88a;box-shadow:0 0 0 4px rgba(52,200,138,.15)}
.news-item:nth-child(4) .news-dot{background:#b78bff;box-shadow:0 0 0 4px rgba(183,139,255,.15)}
.news-content{min-width:0}
.news-content h4{font-size:16px;font-weight:600;color:var(--primary);margin-bottom:4px;line-height:1.5}
.news-content p{font-size:14px;color:var(--text-weak);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{font-size:12px;color:#9aa7bf;margin-top:8px;display:block}
.faq-section{background:var(--bg-white);border-top:1px solid var(--border)}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:all .25s ease}
.faq-item:hover{border-color:#d8deec;box-shadow:var(--shadow-sm)}
.faq-item[open]{border-color:#f0d5b0;box-shadow:var(--shadow-md)}
.faq-summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;cursor:pointer;font-weight:600;color:var(--primary);
  font-size:16px;line-height:1.5;list-style:none;user-select:none;
}
.faq-summary::-webkit-details-marker{display:none}
.faq-summary::after{content:"+";font-size:26px;font-weight:400;color:var(--accent);transition:transform .3s ease;flex-shrink:0;line-height:1}
.faq-item[open] .faq-summary::after{transform:rotate(45deg)}
.faq-answer{
  padding:18px 26px 24px;font-size:14px;color:var(--text-weak);line-height:1.85;
  border-top:1px solid var(--border);background:var(--bg)
}
.cta-section{padding:70px 0 90px}
.cta-box{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  border-radius:24px;padding:56px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-lg);color:#fff;position:relative;overflow:hidden;
}
.cta-box::before{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;background:rgba(255,255,255,.05);border-radius:50%}
.cta-box::after{content:"";position:absolute;left:-50px;bottom:-100px;width:220px;height:220px;background:rgba(240,161,74,.12);border-radius:50%}
.cta-content{position:relative;z-index:2}
.cta-content h2{font-size:30px;font-weight:800;margin-bottom:12px;line-height:1.3}
.cta-content p{color:rgba(255,255,255,.78);max-width:480px;font-size:15px;line-height:1.8}
.cta-action{position:relative;z-index:2;flex-shrink:0}
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.7);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.4fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-logo{font-size:22px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.logo-icon{color:var(--accent);font-size:20px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.5)}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--accent);border-radius:2px}
.footer-col a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:6px 0;transition:all .25s ease}
.footer-col a:hover{color:var(--accent);padding-left:8px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.5)}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.35)}
@media (max-width:1024px){
  :root{--space-section:80px}
  .section{padding:70px 0}
  .entrance-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .banner-title{font-size:40px}
  .banner-desc{font-size:17px}
  .page-banner{padding:90px 0 110px}
  .cta-box{padding:44px 38px}
}
@media (max-width:768px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;background:#fff;
    flex-direction:column;padding:18px 24px;gap:8px;
    box-shadow:var(--shadow-lg);border-radius:0 0 18px 18px;
    border-bottom:1px solid var(--border);
    display:none;z-index:99;align-items:stretch;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 18px;border-radius:12px}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .stats-strip{grid-template-columns:repeat(2,1fr);padding:28px 20px;gap:20px}
  .stat-item + .stat-item::before{display:none}
  .news-grid{grid-template-columns:1fr}
  .banner-title{font-size:33px}
  .banner-desc{font-size:16px}
  .page-banner{padding:70px 0 100px}
  .section-title{font-size:27px}
  .section-head{margin-bottom:32px}
  .ranking-item{gap:14px;padding:16px 18px}
  .rank-meta{white-space:normal;font-size:12px}
  .cta-box{padding:36px 28px;flex-direction:column;text-align:center}
  .cta-content p{margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 28px}
  .steps-grid{gap:18px}
  .step-card{padding:26px 22px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .entrance-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .banner-title{font-size:28px}
  .banner-desc{font-size:15px}
  .banner-actions .btn{width:100%}
  .stats-strip{padding:24px 16px;gap:16px}
  .stat-num{font-size:27px}
  .stat-label{font-size:13px}
  .ranking-item{flex-wrap:wrap}
  .rank-info p{white-space:normal}
  .rank-meta{order:3;width:100%;text-align:center}
  .cta-box{padding:32px 22px}
  .cta-content h2{font-size:24px}
  .cta-action .btn{width:100%}
  .btn-lg{padding:13px 24px;font-size:15px}
}