/* roulang page: index */
:root {
  --primary: #c9a84c;
  --primary-light: #e8cc7a;
  --primary-dark: #a8862d;
  --secondary: #1a1a2e;
  --bg-dark: #0b0b16;
  --bg-card: #13132a;
  --bg-card-hover: #1a1a38;
  --bg-section: #0f0f20;
  --bg-section-alt: #14142c;
  --text-light: #f5f0e8;
  --text-body: #d4cdc4;
  --text-muted: #8a8278;
  --text-dark: #0b0b16;
  --border-color: #2a2a4a;
  --border-light: #3a3a5a;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-hover: 0 12px 48px rgba(0,0,0,0.6);
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
  --font-sans: 'Noto Sans SC', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-sans);background:var(--bg-dark);color:var(--text-body);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;}
a{color:var(--primary);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--primary-light);}
a:focus-visible{outline:2px solid var(--primary);outline-offset:4px;border-radius:4px;}
img{max-width:100%;height:auto;display:block;}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none;}
button{cursor:pointer;background:none;}
ul,ol{list-style:none;}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;color:var(--text-light);}
h1{font-size:clamp(2.2rem,6vw,4.2rem);font-weight:900;letter-spacing:-0.02em;}
h2{font-size:clamp(1.6rem,3.5vw,2.6rem);letter-spacing:-0.01em;}
h3{font-size:clamp(1.2rem,2vw,1.6rem);}
h4{font-size:1.15rem;}
p{margin-bottom:1rem;}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-alt{background:var(--bg-section-alt);}
.section-title{text-align:center;margin-bottom:16px;}
.section-sub{text-align:center;color:var(--text-muted);max-width:680px;margin:0 auto 48px;font-size:1.05rem;}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 36px;border-radius:50px;font-weight:600;font-size:1rem;transition:all var(--transition);border:2px solid transparent;position:relative;overflow:hidden;}
.btn-primary{background:var(--primary);color:var(--text-dark);border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-light);border-color:var(--primary-light);color:var(--text-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(201,168,76,0.35);}
.btn-outline{background:transparent;color:var(--text-light);border-color:var(--border-light);}
.btn-outline:hover{background:var(--primary);border-color:var(--primary);color:var(--text-dark);transform:translateY(-2px);}
.btn-lg{padding:18px 48px;font-size:1.1rem;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:50px;font-size:0.8rem;font-weight:500;background:rgba(201,168,76,0.15);color:var(--primary-light);border:1px solid rgba(201,168,76,0.2);}
.badge-solid{background:var(--primary);color:var(--text-dark);border:none;font-weight:600;}
.tag{display:inline-block;padding:4px 14px;border-radius:50px;font-size:0.75rem;font-weight:500;background:rgba(201,168,76,0.1);color:var(--primary);border:1px solid rgba(201,168,76,0.15);transition:all var(--transition);}
.tag:hover{background:var(--primary);color:var(--text-dark);}
.card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);overflow:hidden;transition:all var(--transition);}
.card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.card-img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;}
.card-body{padding:24px;}
.card-title{font-size:1.2rem;font-weight:600;margin-bottom:8px;}
.card-text{color:var(--text-muted);font-size:0.95rem;line-height:1.6;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.gap-lg{gap:40px;}
.flex-center{display:flex;align-items:center;justify-content:center;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.text-center{text-align:center;}
.mt-1{margin-top:12px;}
.mt-2{margin-top:24px;}
.mt-3{margin-top:40px;}
.mb-1{margin-bottom:12px;}
.mb-2{margin-bottom:24px;}
.mb-3{margin-bottom:40px;}

/* Header & Nav */
header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(11,11,22,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(42,42,74,0.5);transition:all var(--transition);}
header.scrolled{border-bottom-color:var(--border-color);box-shadow:0 4px 30px rgba(0,0,0,0.3);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-height);}
.logo{font-size:1.35rem;font-weight:900;color:var(--text-light);letter-spacing:-0.01em;display:flex;align-items:center;gap:10px;}
.logo i{color:var(--primary);font-size:1.5rem;}
.logo span{color:var(--primary);}
.nav{display:flex;align-items:center;gap:8px;}
.nav a{color:var(--text-muted);font-weight:500;font-size:0.95rem;padding:8px 18px;border-radius:50px;transition:all var(--transition);position:relative;}
.nav a:hover{color:var(--text-light);background:rgba(201,168,76,0.08);}
.nav a.active{color:var(--primary);background:rgba(201,168,76,0.12);}
.nav a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--primary);border-radius:2px;}
.nav-cta{margin-left:8px;}
.nav-cta a{background:var(--primary);color:var(--text-dark)!important;padding:10px 24px!important;font-weight:600!important;}
.nav-cta a:hover{background:var(--primary-light)!important;transform:translateY(-1px);}
.mobile-toggle{display:none;font-size:1.5rem;color:var(--text-light);padding:8px;border-radius:8px;cursor:pointer;transition:background var(--transition);}
.mobile-toggle:hover{background:rgba(255,255,255,0.05);}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:120px 0 80px;background:linear-gradient(135deg, #0b0b16 0%, #16162a 50%, #0b0b16 100%);overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.25;z-index:0;}
.hero-bg::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center, transparent 0%, var(--bg-dark) 80%);}
.hero .container{position:relative;z-index:1;}
.hero-content{max-width:780px;}
.hero-badge{margin-bottom:20px;}
.hero h1{font-size:clamp(2.4rem,7vw,4.8rem);line-height:1.1;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero p{font-size:1.15rem;color:var(--text-muted);max-width:600px;margin-bottom:36px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:48px;margin-top:60px;padding-top:40px;border-top:1px solid rgba(42,42,74,0.5);}
.hero-stat{text-align:left;}
.hero-stat-num{font-size:2.2rem;font-weight:900;color:var(--text-light);line-height:1;}
.hero-stat-label{font-size:0.85rem;color:var(--text-muted);margin-top:4px;}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.feature-card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);padding:36px 28px;text-align:center;transition:all var(--transition);}
.feature-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.feature-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:16px;background:rgba(201,168,76,0.1);display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:var(--primary);border:1px solid rgba(201,168,76,0.15);}
.feature-card h3{font-size:1.2rem;margin-bottom:10px;}
.feature-card p{color:var(--text-muted);font-size:0.95rem;margin:0;}

/* Categories / Modes */
.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.mode-card{display:flex;flex-direction:column;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);overflow:hidden;transition:all var(--transition);}
.mode-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-light);}
.mode-img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mode-body{padding:24px;flex:1;display:flex;flex-direction:column;}
.mode-body h3{font-size:1.15rem;margin-bottom:8px;}
.mode-body p{color:var(--text-muted);font-size:0.92rem;flex:1;}
.mode-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* Latest Posts / CMS */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);overflow:hidden;transition:all var(--transition);}
.post-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.post-card-img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.post-card-body{padding:20px;}
.post-meta{display:flex;align-items:center;gap:12px;font-size:0.8rem;color:var(--text-muted);margin-bottom:8px;}
.post-meta .post-cat{color:var(--primary);font-weight:500;}
.post-card-body h3{font-size:1rem;font-weight:600;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card-body p{font-size:0.88rem;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-empty{text-align:center;padding:60px 20px;color:var(--text-muted);font-size:1.05rem;grid-column:1/-1;}

/* Stats / Data */
.stats-banner{background:linear-gradient(135deg, #1a1a2e 0%, #0b0b16 100%);border-radius:var(--radius-lg);padding:60px 40px;border:1px solid var(--border-color);position:relative;overflow:hidden;}
.stats-banner::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.1;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1;}
.stat-item{text-align:center;padding:20px;}
.stat-item .num{font-size:2.8rem;font-weight:900;color:var(--primary);line-height:1;}
.stat-item .label{font-size:0.9rem;color:var(--text-muted);margin-top:8px;}
.stat-item .desc{font-size:0.8rem;color:var(--text-muted);margin-top:4px;opacity:0.7;}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border-color);overflow:hidden;transition:all var(--transition);}
.faq-item:hover{border-color:var(--border-light);}
.faq-q{width:100%;text-align:left;padding:20px 24px;font-size:1rem;font-weight:500;color:var(--text-light);display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:none;cursor:pointer;transition:color var(--transition);}
.faq-q:hover{color:var(--primary);}
.faq-q i{font-size:0.8rem;transition:transform var(--transition);color:var(--text-muted);}
.faq-item.active .faq-q i{transform:rotate(180deg);color:var(--primary);}
.faq-a{padding:0 24px 0;max-height:0;overflow:hidden;transition:all 0.4s ease;color:var(--text-muted);font-size:0.95rem;line-height:1.7;}
.faq-item.active .faq-a{padding:0 24px 24px;max-height:400px;}

/* CTA */
.cta-section{background:linear-gradient(135deg, #0b0b16 0%, #1a1a2e 100%);position:relative;overflow:hidden;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:0.08;}
.cta-content{position:relative;z-index:1;text-align:center;max-width:700px;margin:0 auto;}
.cta-content h2{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:16px;}
.cta-content p{font-size:1.05rem;color:var(--text-muted);margin-bottom:32px;}

/* Footer */
footer{background:var(--bg-dark);border-top:1px solid var(--border-color);padding:48px 0 32px;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:32px;}
.footer-brand .logo{margin-bottom:12px;}
.footer-brand p{font-size:0.9rem;color:var(--text-muted);max-width:360px;}
.footer-links h4{font-size:0.95rem;font-weight:600;margin-bottom:16px;color:var(--text-light);}
.footer-links ul li{margin-bottom:8px;}
.footer-links ul li a{color:var(--text-muted);font-size:0.9rem;transition:color var(--transition);}
.footer-links ul li a:hover{color:var(--primary);}
.footer-bottom{border-top:1px solid var(--border-color);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:0.85rem;color:var(--text-muted);}
.footer-bottom a{color:var(--text-muted);}
.footer-bottom a:hover{color:var(--primary);}

/* Mobile Nav */
@media(max-width:1024px){
  .nav{gap:4px;}
  .nav a{padding:6px 14px;font-size:0.88rem;}
}
@media(max-width:768px){
  .mobile-toggle{display:block;}
  .nav{position:fixed;top:var(--nav-height);left:0;width:100%;background:rgba(11,11,22,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:20px 24px;gap:4px;border-bottom:1px solid var(--border-color);transform:translateY(-120%);opacity:0;pointer-events:none;transition:all 0.4s ease;}
  .nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav a{width:100%;padding:14px 18px!important;border-radius:8px!important;}
  .nav a.active{background:rgba(201,168,76,0.1);}
  .nav a.active::after{display:none;}
  .nav-cta{margin-left:0;margin-top:8px;}
  .nav-cta a{text-align:center!important;}
  .hero-stats{gap:24px;flex-wrap:wrap;}
  .hero-stat{flex:1;min-width:120px;}
  .features-grid,.grid-3,.posts-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .section{padding:60px 0;}
  .mode-grid{grid-template-columns:1fr;}
}
@media(max-width:520px){
  .features-grid,.grid-3,.posts-grid,.grid-2{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .hero-stats{gap:16px;}
  .hero-stat-num{font-size:1.6rem;}
  .footer-inner{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .stats-banner{padding:32px 20px;}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #c8102e;
  --primary-dark: #a00d24;
  --primary-light: #e84c5e;
  --secondary: #1a1a2e;
  --accent: #f5c518;
  --accent-dark: #d4a814;
  --bg-dark: #0d0d1a;
  --bg-card: #16162a;
  --bg-section: #111122;
  --bg-light: #f8f6f2;
  --text-light: #f0ede8;
  --text-muted: #9a95a8;
  --text-dark: #1a1a2e;
  --border-color: rgba(255,255,255,0.08);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.5);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
/* ===== 导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13,13,26,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: 0.5px;
}
.logo i { color: var(--accent); font-size: 1.7rem; }
.logo span { color: var(--accent); font-weight: 700; }
.logo:hover { color: var(--text-light); }
.logo:hover span { color: var(--accent-dark); }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
  border-radius: 2px;
}
.nav a:hover { color: var(--text-light); }
.nav a:hover::after { width: 100%; }
.nav a.active { color: var(--text-light); }
.nav a.active::after { width: 100%; }
.nav-cta a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--accent);
  color: var(--text-dark);
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.nav-cta a::after { display: none; }
.nav-cta a:hover { background: var(--accent-dark); color: var(--text-dark); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(245,197,24,0.3); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.mobile-toggle span { display: block; width: 26px; height: 2px; background: var(--text-light); border-radius: 2px; transition: var(--transition); }
/* ===== 文章 Banner ===== */
.article-banner {
  padding: 160px 0 60px;
  background: linear-gradient(135deg, #0d0d1a 0%, #1a0a0a 60%, #0d0d1a 100%);
  position: relative;
  overflow: hidden;
}
.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  opacity: 0.25;
  mix-blend-mode: overlay;
}
.article-banner .container { position: relative; z-index: 2; }
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.article-breadcrumb a { color: var(--accent); }
.article-breadcrumb a:hover { color: var(--accent-dark); }
.article-breadcrumb .sep { color: var(--text-muted); opacity: 0.5; }
.article-category {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent);
  color: var(--text-dark);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.article-banner h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.25;
  max-width: 800px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #f0ede8 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.article-meta i { color: var(--accent); margin-right: 6px; }
/* ===== 文章正文 ===== */
.article-main {
  padding: 60px 0 80px;
  background: var(--bg-section);
}
.article-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}
.article-content .featured-image {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  max-height: 460px;
  object-fit: cover;
}
.article-content .body-text {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-light);
}
.article-content .body-text p {
  margin-bottom: 1.4em;
}
.article-content .body-text h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 2em 0 0.8em;
  color: var(--accent);
  border-left: 4px solid var(--accent);
  padding-left: 16px;
}
.article-content .body-text h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.6em 0 0.6em;
  color: var(--text-light);
}
.article-content .body-text ul, .article-content .body-text ol {
  margin: 1em 0;
  padding-left: 24px;
}
.article-content .body-text ul li, .article-content .body-text ol li {
  margin-bottom: 0.5em;
  position: relative;
}
.article-content .body-text ul li::before {
  content: '▸';
  color: var(--accent);
  position: absolute;
  left: -18px;
}
.article-content .body-text a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content .body-text a:hover { color: var(--accent-dark); }
.article-content .body-text blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(245,197,24,0.06);
  padding: 16px 24px;
  margin: 1.5em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-muted);
}
.article-content .body-text img {
  border-radius: var(--radius-md);
  margin: 1.5em auto;
  max-width: 100%;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}
.article-tags .tag {
  padding: 6px 16px;
  background: rgba(245,197,24,0.1);
  border: 1px solid rgba(245,197,24,0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent);
  transition: all var(--transition);
}
.article-tags .tag:hover { background: var(--accent); color: var(--text-dark); border-color: var(--accent); }
/* ===== 相关文章 ===== */
.related-section {
  padding: 60px 0;
  background: var(--bg-dark);
}
.related-section h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 40px;
  text-align: center;
  position: relative;
}
.related-section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 12px auto 0;
  border-radius: 3px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(245,197,24,0.2); }
.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.related-card .card-body {
  padding: 20px;
}
.related-card .card-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}
.related-card .card-body h3 a { color: var(--text-light); }
.related-card .card-body h3 a:hover { color: var(--accent); }
.related-card .card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.related-card .card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 12px;
}
/* ===== CTA ===== */
.article-cta {
  padding: 60px 0;
  background: linear-gradient(135deg, #1a0a0a 0%, #0d0d1a 100%);
  position: relative;
  overflow: hidden;
}
.article-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: 0.15;
  mix-blend-mode: overlay;
}
.article-cta .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.article-cta h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.article-cta p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
}
.article-cta .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 40px;
  background: var(--accent);
  color: var(--text-dark);
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.05rem;
  transition: all var(--transition);
}
.article-cta .btn-cta:hover { background: var(--accent-dark); color: var(--text-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,197,24,0.25); }
/* ===== 页脚 ===== */
footer {
  background: var(--secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo { font-size: 1.3rem; margin-bottom: 16px; display: inline-flex; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
.footer-links h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 16px;
}
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { color: var(--text-muted); font-size: 0.9rem; transition: color var(--transition); }
.footer-links ul li a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: var(--accent); }
.footer-bottom a:hover { color: var(--accent-dark); }
/* ===== 未找到文章 ===== */
.not-found-box {
  text-align: center;
  padding: 80px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  max-width: 600px;
  margin: 0 auto;
}
.not-found-box i { font-size: 3.5rem; color: var(--text-muted); margin-bottom: 20px; display: block; }
.not-found-box h2 { font-size: 1.6rem; margin-bottom: 12px; }
.not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
.not-found-box .btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 28px;
  background: var(--accent);
  color: var(--text-dark);
  border-radius: 50px;
  font-weight: 600;
  transition: all var(--transition);
}
.not-found-box .btn-back:hover { background: var(--accent-dark); color: var(--text-dark); transform: translateY(-2px); }
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-banner h1 { font-size: 2.2rem; }
  .article-content { padding: 36px 32px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .nav { position: fixed; top: 72px; left: 0; right: 0; background: rgba(13,13,26,0.98); backdrop-filter: blur(20px); flex-direction: column; gap: 0; padding: 16px 24px; border-bottom: 1px solid var(--border-color); transform: translateY(-120%); opacity: 0; transition: all 0.4s ease; pointer-events: none; }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { padding: 14px 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.04); }
  .nav a::after { display: none; }
  .nav a.active { color: var(--accent); }
  .nav-cta { width: 100%; padding-top: 12px; }
  .nav-cta a { width: 100%; justify-content: center; }
  .article-banner { padding: 130px 0 40px; }
  .article-banner h1 { font-size: 1.6rem; }
  .article-content { padding: 24px 20px; }
  .article-content .body-text { font-size: 0.98rem; }
  .article-meta { gap: 12px; font-size: 0.8rem; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .article-cta h2 { font-size: 1.5rem; }
  .article-cta p { font-size: 0.95rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header .container { height: 64px; }
  .logo { font-size: 1.1rem; }
  .logo i { font-size: 1.3rem; }
  .article-banner h1 { font-size: 1.3rem; }
  .article-content { padding: 16px 14px; border-radius: var(--radius-md); }
  .article-content .body-text { font-size: 0.92rem; }
  .article-breadcrumb { font-size: 0.75rem; }
  .related-section h2 { font-size: 1.4rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #d4a017;
            --primary-dark: #b8860b;
            --primary-light: #f0d060;
            --primary-gradient: linear-gradient(135deg, #d4a017 0%, #f0d060 50%, #d4a017 100%);
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #e85d04;
            --accent-light: #f48c06;
            --bg-dark: #0d0d1a;
            --bg-card: #16162a;
            --bg-section: #111122;
            --bg-light: #f8f4ec;
            --text-primary: #f5f0e8;
            --text-secondary: #c8c0b0;
            --text-muted: #8a7e6a;
            --text-dark: #1a1a2e;
            --border-color: rgba(212, 160, 23, 0.2);
            --border-glow: rgba(212, 160, 23, 0.4);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(212, 160, 23, 0.15);
            --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 70px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-dark);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 分隔线装饰 ===== */
        .section-divider {
            width: 80px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 4px;
            margin: 16px auto 32px;
        }
        .section-divider.left {
            margin: 16px 0 32px;
        }

        /* ===== 徽章/标签 ===== */
        .badge {
            display: inline-block;
            padding: 4px 16px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: var(--primary-gradient);
            color: var(--text-dark);
            border-radius: 50px;
            box-shadow: 0 2px 12px rgba(212, 160, 23, 0.3);
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            box-shadow: none;
        }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(13, 13, 26, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(212, 160, 23, 0.1);
            transition: background var(--transition), border-color var(--transition);
            height: var(--header-height);
        }
        .header.scrolled {
            background: rgba(13, 13, 26, 0.98);
            border-bottom-color: rgba(212, 160, 23, 0.2);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: 1px;
            transition: opacity var(--transition);
            flex-shrink: 0;
        }
        .logo:hover {
            opacity: 0.9;
            color: var(--text-primary);
        }
        .logo i {
            font-size: 1.6rem;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 900;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav a:hover {
            color: var(--primary);
        }
        .nav a:hover::after {
            width: 100%;
        }
        .nav a.active {
            color: var(--primary);
        }
        .nav a.active::after {
            width: 100%;
        }

        .nav-cta {
            margin-left: 8px;
        }
        .nav-cta a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 24px;
            background: var(--primary-gradient);
            color: var(--text-dark) !important;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 20px rgba(212, 160, 23, 0.3);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .nav-cta a::after {
            display: none;
        }
        .nav-cta a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 160, 23, 0.4);
            color: var(--text-dark) !important;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(13, 13, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: center;
                padding: 80px 40px 40px;
                gap: 24px;
                transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-left: 1px solid rgba(212, 160, 23, 0.1);
                box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
            }
            .nav.open {
                right: 0;
            }
            .nav a {
                font-size: 1.1rem;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 16px;
            }
            .nav-cta a {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.95) 0%, rgba(22, 22, 42, 0.9) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 160, 23, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0.6;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero .badge {
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: 2px;
            margin-bottom: 16px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .page-hero .hero-meta {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .page-hero .hero-meta i {
            color: var(--primary);
            margin-right: 6px;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 60px;
                min-height: 260px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .page-hero .hero-meta {
                gap: 16px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-section);
        }
        .section-card {
            background: var(--bg-card);
        }
        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }
        .section-light h2,
        .section-light h3,
        .section-light h4 {
            color: var(--text-dark);
        }
        .section-light .text-muted {
            color: #6b5e4a;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            text-align: center;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }
        .section-title .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto 8px;
        }
        .section-light .section-subtitle {
            color: #6b5e4a;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 48px;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            border-color: rgba(212, 160, 23, 0.4);
        }
        .card:hover::before {
            opacity: 1;
        }
        .card .card-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 160, 23, 0.1);
            border-radius: var(--radius-md);
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 20px;
            transition: background var(--transition), transform var(--transition);
        }
        .card:hover .card-icon {
            background: rgba(212, 160, 23, 0.2);
            transform: scale(1.05);
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .card .card-tags span {
            padding: 2px 12px;
            font-size: 0.75rem;
            background: rgba(212, 160, 23, 0.1);
            color: var(--primary);
            border-radius: 50px;
            border: 1px solid rgba(212, 160, 23, 0.15);
        }
        .card-light {
            background: #fff;
            border-color: rgba(26, 26, 46, 0.08);
            color: var(--text-dark);
        }
        .card-light h3 {
            color: var(--text-dark);
        }
        .card-light p {
            color: #5a4e3a;
        }
        .card-light .card-icon {
            background: rgba(212, 160, 23, 0.12);
            color: var(--primary-dark);
        }
        .card-light .card-tags span {
            background: rgba(212, 160, 23, 0.08);
            color: var(--primary-dark);
            border-color: rgba(212, 160, 23, 0.2);
        }
        .card-light::before {
            background: var(--primary-dark);
        }

        /* ===== 图文区块 ===== */
        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-top: 48px;
        }
        .content-block.reverse {
            direction: rtl;
        }
        .content-block.reverse>* {
            direction: ltr;
        }
        .content-block .text-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .content-block .text-content p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .content-block .text-content ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 20px;
        }
        .content-block .text-content ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .content-block .text-content ul li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .content-block .image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .content-block .image-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .content-block .image-wrap:hover img {
            transform: scale(1.03);
        }
        .section-light .content-block .text-content p {
            color: #5a4e3a;
        }
        .section-light .content-block .text-content ul li {
            color: #5a4e3a;
        }

        @media (max-width: 900px) {
            .content-block {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .content-block.reverse {
                direction: ltr;
            }
            .content-block .image-wrap img {
                height: 260px;
            }
            .content-block .text-content h3 {
                font-size: 1.3rem;
            }
        }

        /* ===== 步骤/流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
            counter-reset: step;
        }
        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
            counter-increment: step;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
        }
        .step-item .step-number {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-gradient);
            color: var(--text-dark);
            font-weight: 900;
            font-size: 1.2rem;
            border-radius: 50%;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(212, 160, 23, 0.3);
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.6;
        }
        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 数据/统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 48px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: rgba(212, 160, 23, 0.05);
            border: 1px solid rgba(212, 160, 23, 0.12);
            border-radius: var(--radius-lg);
            transition: background var(--transition), transform var(--transition);
        }
        .stat-item:hover {
            background: rgba(212, 160, 23, 0.1);
            transform: translateY(-2px);
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 8px;
            font-weight: 500;
        }
        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item {
                padding: 24px 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 48px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(212, 160, 23, 0.3);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 28px;
            background: none;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(212, 160, 23, 0.04);
        }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 28px;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 28px 24px;
        }
        .section-light .faq-item {
            background: #fff;
            border-color: rgba(26, 26, 46, 0.1);
        }
        .section-light .faq-question {
            color: var(--text-dark);
        }
        .section-light .faq-question:hover {
            background: rgba(212, 160, 23, 0.04);
        }
        .section-light .faq-answer {
            color: #5a4e3a;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 20px;
                font-size: 0.93rem;
            }
            .faq-answer {
                padding: 0 20px;
                font-size: 0.88rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 20px 20px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.97) 0%, rgba(22, 22, 42, 0.95) 100%),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(212, 160, 23, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 16px;
        }
        .cta-section h2 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 50px;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            cursor: pointer;
            letter-spacing: 0.5px;
            border: none;
        }
        .btn-primary {
            background: var(--primary-gradient);
            color: var(--text-dark);
            box-shadow: 0 4px 24px rgba(212, 160, 23, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 40px rgba(212, 160, 23, 0.45);
            color: var(--text-dark);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid rgba(212, 160, 23, 0.5);
        }
        .btn-outline:hover {
            background: rgba(212, 160, 23, 0.1);
            border-color: var(--primary);
            transform: translateY(-3px);
            color: var(--text-primary);
        }
        .btn-sm {
            padding: 10px 24px;
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ===== Footer ===== */
        footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(212, 160, 23, 0.08);
            padding: 60px 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(212, 160, 23, 0.06);
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition), padding-left var(--transition);
            display: inline-flex;
            align-items: center;
        }
        .footer-links ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-links ul li a i {
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0 32px;
            color: var(--text-muted);
            font-size: 0.82rem;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 返回顶部 ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--primary-gradient);
            color: var(--text-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(212, 160, 23, 0.3);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
            border: none;
            cursor: pointer;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(212, 160, 23, 0.4);
        }

        @media (max-width: 768px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

        /* ===== 额外：列表样式 ===== */
        .checklist {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }
        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .checklist li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .section-light .checklist li {
            color: #5a4e3a;
        }

        /* ===== 标签云/分类标签 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 32px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 8px 20px;
            background: rgba(212, 160, 23, 0.08);
            border: 1px solid rgba(212, 160, 23, 0.15);
            border-radius: 50px;
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            background: rgba(212, 160, 23, 0.18);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .section-light .tag-cloud a {
            background: rgba(212, 160, 23, 0.06);
            border-color: rgba(212, 160, 23, 0.2);
            color: #5a4e3a;
        }
        .section-light .tag-cloud a:hover {
            background: rgba(212, 160, 23, 0.15);
            color: var(--primary-dark);
        }

        /* ===== 内容列表 ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 32px;
        }
        .content-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .content-list-item:hover {
            border-color: rgba(212, 160, 23, 0.3);
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
        }
        .content-list-item .cli-index {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 160, 23, 0.1);
            color: var(--primary);
            font-weight: 700;
            border-radius: 50%;
            flex-shrink: 0;
            font-size: 0.9rem;
        }
        .content-list-item .cli-text {
            flex: 1;
            color: var(--text-secondary);
            font-size: 0.92rem;
        }
        .content-list-item .cli-text strong {
            color: var(--text-primary);
        }
        .section-light .content-list-item {
            background: #fff;
            border-color: rgba(26, 26, 46, 0.08);
        }
        .section-light .content-list-item .cli-text {
            color: #5a4e3a;
        }
        .section-light .content-list-item .cli-text strong {
            color: var(--text-dark);
        }
        .section-light .content-list-item .cli-index {
            background: rgba(212, 160, 23, 0.12);
            color: var(--primary-dark);
        }

        @media (max-width: 640px) {
            .content-list-item {
                padding: 14px 16px;
            }
        }

        /* ===== 图片画廊 ===== */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .gallery-grid .gallery-item {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 10;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .gallery-grid .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .gallery-grid .gallery-item:hover {
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }
        .gallery-grid .gallery-item:hover img {
            transform: scale(1.08);
        }
        @media (max-width: 768px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .gallery-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 占位适配 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }