/* roulang page: index */
/* ========== Design Tokens ========== */
:root{
  --primary:#4f46e5;
  --primary-hover:#4338ca;
  --primary-soft:#eef2ff;
  --accent:#06b6d4;
  --accent-hover:#0891b2;
  --accent-soft:#ecfeff;
  --dark:#0b1120;
  --dark-soft:#111c2e;
  --dark-card:#16233a;
  --bg:#f6f8fb;
  --surface:#ffffff;
  --surface-2:#f1f5f9;
  --text:#1e293b;
  --text-muted:#64748b;
  --border:#e2e8f0;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --shadow-sm:0 2px 12px rgba(15,23,42,.06);
  --shadow:0 8px 30px rgba(15,23,42,.08);
  --shadow-lg:0 16px 50px rgba(15,23,42,.12);
  --transition:.3s ease;
  --container-width:1200px;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}

/* ========== Reset / Base ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{text-decoration:none;color:inherit;transition:color var(--transition);}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
input,textarea{font-family:inherit;}
ul,ol{list-style:none;}
.container{max-width:var(--container-width);margin:0 auto;padding:0 24px;}

/* ========== Buttons ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:50px;font-size:15px;font-weight:600;
  letter-spacing:.02em;transition:all var(--transition);white-space:nowrap;
  border:2px solid transparent;line-height:1.4;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 18px rgba(79,70,229,.25);}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 28px rgba(79,70,229,.32);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 10px rgba(79,70,229,.22);}
.btn-outline{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(6px);}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary);box-shadow:var(--shadow-sm);}
.btn-light:hover{background:var(--primary-soft);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-2px);color:#fff;}
.btn-icon{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--surface);color:var(--text);transition:all var(--transition);box-shadow:var(--shadow-sm);}
.btn-icon:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}

/* ========== Section ========== */
.section{padding:96px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center;}
.section-title{font-size:clamp(28px,4vw,38px);font-weight:800;line-height:1.3;margin-bottom:14px;letter-spacing:-.01em;}
.section-title span{color:var(--primary);}
.section-sub{font-size:16px;color:var(--text-muted);line-height:1.8;}
.section-label{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;background:var(--primary-soft);color:var(--primary);border-radius:50px;font-size:13px;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.section-label::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary);}

/* ========== Floating Dock Nav ========== */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1000;padding:0 20px;
  pointer-events:none;
}
.dock-nav{
  pointer-events:auto;
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  border-radius:60px;
  padding:10px 24px;border:1px solid rgba(255,255,255,.4);
  box-shadow:0 10px 40px rgba(15,23,42,.10),inset 0 1px 0 rgba(255,255,255,.8);
}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--text);letter-spacing:-.01em;}
.dock-logo:hover{color:var(--primary);}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;box-shadow:0 4px 12px rgba(79,70,229,.3);}
.dock-links{display:flex;gap:4px;align-items:center;}
.dock-links a{
  padding:8px 18px;border-radius:50px;font-size:14px;font-weight:600;color:var(--text-muted);
  transition:all var(--transition);position:relative;white-space:nowrap;
}
.dock-links a:hover{color:var(--primary);background:var(--primary-soft);}
.dock-links a.active{color:var(--primary);background:var(--primary-soft);}
.dock-links a.active::after{
  content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--primary);
}
.dock-actions{display:flex;align-items:center;gap:10px;}
.search-icon-btn{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all var(--transition);font-size:14px;}
.search-icon-btn:hover{background:var(--surface-2);color:var(--primary);}
.dock-cta{
  padding:9px 22px;background:var(--primary);color:#fff;border-radius:50px;
  font-size:14px;font-weight:700;transition:all var(--transition);
  box-shadow:0 4px 14px rgba(79,70,229,.28);display:inline-flex;align-items:center;gap:6px;
}
.dock-cta:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 22px rgba(79,70,229,.35);color:#fff;}
.menu-toggle{display:none;width:36px;height:36px;border-radius:50%;align-items:center;justify-content:center;color:var(--text);font-size:16px;transition:all var(--transition);}
.menu-toggle:hover{background:var(--surface-2);}

/* Mobile Menu */
.mobile-menu{
  display:none;pointer-events:auto;max-width:1120px;margin:10px auto 0;
  background:rgba(255,255,255,.96);backdrop-filter:blur(16px);
  border-radius:20px;padding:10px 20px;box-shadow:var(--shadow-lg);
  flex-direction:column;border:1px solid var(--border);
}
.mobile-menu.open{display:flex;}
.mobile-menu a{
  padding:12px 16px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text);
  transition:all var(--transition);border-bottom:1px solid var(--border);
}
.mobile-menu a:last-child{border-bottom:none;}
.mobile-menu a:hover,.mobile-menu a.active{background:var(--primary-soft);color:var(--primary);}

/* ========== Hero ========== */
.hero{
  position:relative;min-height:720px;display:flex;align-items:center;
  padding:140px 0 100px;color:#fff;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,17,32,.88) 0%,rgba(11,17,32,.72) 45%,rgba(79,70,229,.55) 100%);z-index:-1;}
.hero-content{max-width:700px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:50px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:600;letter-spacing:.05em;margin-bottom:24px;backdrop-filter:blur(8px);
}
.hero-badge i{color:var(--accent);}
.hero h1{
  font-size:clamp(36px,6vw,60px);font-weight:900;line-height:1.15;
  margin-bottom:22px;letter-spacing:-.02em;text-shadow:0 2px 20px rgba(0,0,0,.2);
}
.hero h1 span{background:linear-gradient(90deg,var(--accent),#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.hero-desc{
  font-size:17px;color:rgba(255,255,255,.82);line-height:1.8;margin-bottom:36px;max-width:560px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{
  display:flex;gap:36px;margin-top:56px;flex-wrap:wrap;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.15);
}
.hero-stat .num{font-size:28px;font-weight:800;line-height:1.2;}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.65);margin-top:2px;}

/* ========== About / Intro ========== */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;}
.about-media{position:relative;}
.about-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);object-fit:cover;}
.about-media .float-card{
  position:absolute;bottom:-20px;left:-20px;background:#fff;border-radius:var(--radius);
  padding:18px 24px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:14px;
  border:1px solid var(--border);
}
.float-card .fc-icon{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;}
.float-card .fc-num{font-size:20px;font-weight:800;line-height:1.2;}
.float-card .fc-text{font-size:13px;color:var(--text-muted);}
.about-copy h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.35;margin-bottom:18px;}
.about-copy h2 span{color:var(--primary);}
.about-copy p{color:var(--text-muted);line-height:1.85;margin-bottom:20px;}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0 32px;}
.about-point{display:flex;align-items:flex-start;gap:10px;font-size:14px;font-weight:600;color:var(--text);}
.about-point i{color:var(--accent);margin-top:2px;}

/* ========== Categories ========== */
.cat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.cat-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:#fff;box-shadow:var(--shadow-sm);border:1px solid var(--border);
  transition:all var(--transition);
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.cat-card-img{position:relative;height:220px;overflow:hidden;}
.cat-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.cat-card:hover .cat-card-img img{transform:scale(1.05);}
.cat-card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(11,17,32,.55),transparent 60%);}
.cat-card-body{padding:24px;}
.cat-card-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.cat-card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:14px;}
.cat-card-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary);transition:gap var(--transition);}
.cat-card-link:hover{gap:10px;color:var(--primary-hover);}

/* ========== Latest News ========== */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  display:flex;gap:20px;padding:24px;background:var(--surface);
  border-radius:var(--radius);border:1px solid var(--border);
  box-shadow:var(--shadow-sm);transition:all var(--transition);align-items:flex-start;
}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--primary);}
.news-date{
  flex-shrink:0;width:56px;height:56px;border-radius:14px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;line-height:1.2;
}
.news-date b{font-size:20px;font-weight:800;}
.news-content{flex:1;min-width:0;}
.news-meta{display:flex;gap:12px;align-items:center;margin-bottom:6px;flex-wrap:wrap;}
.news-tag{display:inline-block;padding:3px 12px;border-radius:50px;background:var(--accent-soft);color:var(--accent-hover);font-size:12px;font-weight:700;}
.news-card h3{font-size:16px;font-weight:700;line-height:1.45;margin-bottom:6px;color:var(--text);transition:color var(--transition);}
.news-card:hover h3{color:var(--primary);}
.news-card p{font-size:13px;color:var(--text-muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-empty{
  grid-column:1/-1;text-align:center;padding:60px 24px;background:var(--surface);
  border-radius:var(--radius);border:1px dashed var(--border);color:var(--text-muted);font-size:15px;
}

/* ========== Stats / Data ========== */
.stats-section{
  position:relative;padding:100px 0;background-size:cover;background-position:center;
  color:#fff;background-color:var(--dark);
}
.stats-section::before{content:'';position:absolute;inset:0;background:rgba(11,17,32,.82);}
.stats-inner{position:relative;z-index:2;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center;}
.stat-item{padding:36px 20px;background:rgba(255,255,255,.06);border-radius:var(--radius);border:1px solid rgba(255,255,255,.1);transition:all var(--transition);}
.stat-item:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);}
.stat-item .num{font-size:40px;font-weight:900;line-height:1.2;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.stat-item .lbl{font-size:14px;color:rgba(255,255,255,.7);margin-top:6px;font-weight:500;}

/* ========== Features / Service ========== */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.feat-card{
  background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);border:1px solid var(--border);display:flex;flex-direction:column;
  transition:all var(--transition);
}
.feat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.feat-cover{height:180px;overflow:hidden;position:relative;}
.feat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.feat-card:hover .feat-cover img{transform:scale(1.06);}
.feat-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(11,17,32,.25),transparent 55%);}
.feat-body{padding:26px;display:flex;flex-direction:column;flex:1;}
.feat-icon{width:46px;height:46px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;}
.feat-body h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.feat-body p{font-size:14px;color:var(--text-muted);line-height:1.75;flex:1;margin-bottom:16px;}
.feat-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--accent-hover);transition:gap var(--transition);}
.feat-link:hover{gap:10px;}

/* ========== Process / Workflow ========== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.process-grid::before{
  content:'';position:absolute;top:32px;left:10%;right:10%;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.25;
}
.process-step{position:relative;padding:0 12px;text-align:center;}
.process-idx{
  width:64px;height:64px;border-radius:50%;background:var(--surface);
  border:2px solid var(--primary);color:var(--primary);font-size:22px;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
  box-shadow:0 8px 24px rgba(79,70,229,.15);position:relative;z-index:2;transition:all var(--transition);
}
.process-step:hover .process-idx{background:var(--primary);color:#fff;transform:scale(1.06);}
.process-step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.process-step p{font-size:13px;color:var(--text-muted);line-height:1.6;}

/* ========== FAQ ========== */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:16px;overflow:hidden;transition:all var(--transition);box-shadow:var(--shadow-sm);
}
.faq-item[open]{border-color:var(--primary);box-shadow:var(--shadow);}
.faq-item summary{
  padding:22px 26px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;font-size:13px;color:var(--text-muted);transition:transform .3s ease;}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--primary);}
.faq-answer{padding:0 26px 24px;color:var(--text-muted);font-size:15px;line-height:1.8;}

/* ========== CTA ========== */
.cta-section{position:relative;padding:80px 0;background-size:cover;background-position:center;color:#fff;overflow:hidden;}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(11,17,32,.92),rgba(79,70,229,.68));}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:680px;margin:0 auto;}
.cta-inner h2{font-size:clamp(28px,4vw,38px);font-weight:800;margin-bottom:16px;line-height:1.3;}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;margin-bottom:32px;}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ========== Footer ========== */
.site-footer{background:var(--dark);color:#94a3b8;padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:50px;}
.footer-brand .logo-text{font-size:20px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:#94a3b8;transition:all var(--transition);}
.footer-col ul a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;
}
.footer-bottom a{color:#64748b;transition:color var(--transition);}
.footer-bottom a:hover{color:#fff;}

/* ========== Responsive ========== */
@media screen and (max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:48px;}
  .about-media .float-card{left:12px;}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid::before{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .cat-cards,.feat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:80px 0;}
}
@media screen and (max-width:768px){
  .dock-links{display:none;}
  .menu-toggle{display:flex;}
  .dock-cta{display:none;}
  .site-header{padding:0 12px;}
  .dock-nav{padding:8px 16px;border-radius:40px;}
  .hero{min-height:auto;padding:130px 0 70px;}
  .hero-stats{gap:20px;flex-direction:column;}
  .news-grid{grid-template-columns:1fr;}
  .cat-cards{grid-template-columns:1fr;}
  .feat-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-item{padding:22px 14px;}
  .stat-item .num{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .section{padding:64px 0;}
  .cta-btns{flex-direction:column;align-items:center;}
}
@media screen and (max-width:520px){
  .process-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columnors:1fr 1fr;}
  .hero h1{font-size:32px;}
  .hero-btns{flex-direction:column;}
  .dock-nav{padding:8px 14px;}
  .news-card{flex-direction:column;}
}

/* roulang page: category1 */
:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --primary-light: #ede9fe;
  --secondary: #f59e0b;
  --secondary-dark: #d97706;
  --bg: #f8fafc;
  --bg-dark: #0f172a;
  --bg-alt: #f1f5f9;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #f8fafc;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
  --header-h: 70px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

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

/* ========== 顶部 Dock 导航 ========== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 1000;
  padding: 0 24px;
  pointer-events: none;
  margin-top: 16px;
}

.site-header .container {
  pointer-events: auto;
}

.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 60px;
  padding: 0 28px;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
  transition: var(--transition);
}

.dock-nav:hover {
  box-shadow: 0 12px 44px rgba(15, 23, 42, 0.18);
  background: rgba(255, 255, 255, 0.95);
}

.logo-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 12px;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.dock-links {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-alt);
  padding: 5px;
  border-radius: 40px;
}

.dock-links a {
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}

.dock-links a:hover {
  color: var(--primary);
  background: rgba(124, 58, 237, 0.08);
}

.dock-links a.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.dock-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.dock-search {
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border-radius: 30px;
  padding: 0 16px;
  height: 40px;
  border: 1px solid transparent;
  transition: var(--transition);
}

.dock-search:hover,
.dock-search:focus-within {
  border-color: var(--primary);
  background: #fff;
}

.dock-search input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.88rem;
  width: 140px;
  color: var(--text);
}

.dock-search input::placeholder { color: var(--text-light); }
.dock-search i { color: var(--text-light); font-size: 0.85rem; }

.dock-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
  transition: var(--transition);
}

.dock-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.45);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text);
  padding: 6px;
}

@media (max-width: 1024px) {
  .dock-links a { padding: 8px 14px; font-size: 0.85rem; }
  .dock-search input { width: 100px; }
  .dock-cta span { display: none; }
  .dock-cta { padding: 10px 16px; }
}

@media (max-width: 768px) {
  .site-header { top: 10px; padding: 0 12px; }
  .dock-nav { height: 60px; padding: 0 16px; }
  .logo-text { font-size: 1.1rem; }
  .logo-mark { width: 32px; height: 32px; font-size: 0.85rem; }
  .dock-links {
    position: fixed;
    top: 78px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.2);
    padding: 12px;
    gap: 4px;
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
    transition: var(--transition);
    border: 1px solid var(--border);
  }
  .dock-links.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .dock-links a {
    padding: 12px 20px;
    border-radius: 12px;
    width: 100%;
    text-align: center;
    font-size: 1rem;
  }
  .dock-search { display: none; }
  .dock-cta span { display: inline; }
  .mobile-toggle { display: block; }
}

/* ========== 分类页 Banner / Hero ========== */
.page-banner {
  position: relative;
  padding: 100px 0 80px;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  text-align: center;
  margin-top: -16px;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.7) 60%, rgba(15, 23, 42, 0.6) 100%);
}

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

.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 8px 20px;
  border-radius: 40px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.banner-tag i { color: var(--secondary); }

.page-banner h1 {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.page-banner p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 680px;
  margin: 0 auto 32px;
}

.banner-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.banner-stat {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 16px 28px;
  text-align: center;
  min-width: 140px;
}

.banner-stat b {
  display: block;
  font-size: 1.8rem;
  color: var(--secondary);
  font-weight: 800;
}

.banner-stat span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

@media (max-width: 768px) {
  .page-banner { padding: 80px 0 60px; }
  .page-banner h1 { font-size: 2rem; }
  .page-banner p { font-size: 1rem; }
  .banner-stat { min-width: 110px; padding: 12px 18px; }
  .banner-stat b { font-size: 1.4rem; }
}

/* ========== 版块通用 ========== */
.section {
  padding: 80px 0;
}

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

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
  flex-wrap: wrap;
}

.section-head-left { max-width: 600px; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 8px;
}

.section-subtitle {
  color: var(--text-light);
  font-size: 1rem;
  line-height: 1.6;
}

.section-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 500;
  font-size: 0.92rem;
}

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

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

/* ========== 赛事分类标签 ========== */
.match-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 4px;
  margin-bottom: 8px;
}

.match-tab-btn {
  padding: 10px 22px;
  border-radius: 30px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.match-tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.match-tab-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
}

/* ========== 赛事卡片列表 ========== */
.match-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.match-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.match-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(124, 58, 237, 0.2);
}

.match-card-media {
  position: relative;
  min-height: 200px;
  overflow: hidden;
}

.match-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: var(--transition);
}

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

.match-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(15, 23, 42, 0.2));
}

.match-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  color: var(--secondary);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.match-card-body {
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.match-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.match-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.match-meta .meta-live {
  color: #ef4444;
  font-weight: 600;
}

.match-meta .meta-live::before {
  content: '';
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.match-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}

.match-card h3 a:hover { color: var(--primary); }

.match-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 16px;
}

.match-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.match-cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.match-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.match-read-more:hover { color: var(--primary-dark); }
.match-read-more i { transition: transform 0.3s; }
.match-read-more:hover i { transform: translateX(4px); }

@media (max-width: 768px) {
  .match-card { grid-template-columns: 1fr; }
  .match-card-media { min-height: 200px; }
  .match-card-body { padding: 20px; }
}

/* ========== 热门赛事横向滚动 ========== */
.hot-section {
  background: var(--bg-dark);
}

.hot-section .section-title { color: #fff; }
.hot-section .section-subtitle { color: rgba(255, 255, 255, 0.6); }

.hot-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 8px 4px 20px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.hot-scroll::-webkit-scrollbar {
  height: 6px;
}

.hot-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.hot-scroll::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 10px;
}

.hot-card {
  flex: 0 0 280px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
  scroll-snap-align: start;
  transition: var(--transition);
}

.hot-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-4px);
}

.hot-card-media {
  position: relative;
  height: 160px;
  overflow: hidden;
}

.hot-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.hot-card:hover .hot-card-media img { transform: scale(1.08); }

.hot-card-media .hot-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--secondary);
  color: var(--bg-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

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

.hot-card-body h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
}

.hot-card-body p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.82rem;
  line-height: 1.6;
}

.hot-card-stats {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hot-card-stats span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
}

.hot-card-stats i { color: var(--secondary); }

/* ========== 赛程时间线 ========== */
.schedule-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.schedule-block {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.schedule-block-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}

.schedule-block-title i {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.9rem;
}

.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 20px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -21px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--primary-light);
}

.timeline-item .date {
  font-size: 0.78rem;
  color: var(--text-light);
  font-weight: 500;
}

.timeline-item .name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 2px;
}

.timeline-item .desc {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 2px;
}

@media (max-width: 768px) {
  .schedule-wrap { grid-template-columns: 1fr; }
}

/* ========== 数据统计板块 ========== */
.hero-stats-section {
  background: url('/assets/images/backpic/back-2.png') center/cover fixed no-repeat;
  position: relative;
  padding: 80px 0;
}

.hero-stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.88);
}

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

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.hero-stat-card {
  text-align: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 28px 16px;
  transition: var(--transition);
}

.hero-stat-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

.hero-stat-card i {
  font-size: 1.8rem;
  color: var(--secondary);
  margin-bottom: 12px;
}

.hero-stat-card b {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-stat-card span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
  .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========== 最新动态资讯列表 ========== */
.news-list-wrap {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.news-list-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-row {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.news-row:hover {
  border-color: rgba(124, 58, 237, 0.25);
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}

.news-row-img {
  width: 88px;
  height: 88px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}

.news-row-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.news-row-body .tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 500;
  margin-bottom: 6px;
}

.news-row-body h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-row-body h4 a:hover { color: var(--primary); }

.news-row-body .date {
  font-size: 0.78rem;
  color: var(--text-light);
}

.news-row-arrow {
  color: var(--border);
  font-size: 1rem;
  flex-shrink: 0;
}

.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.sidebar-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card h4 i { color: var(--primary); }

.rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rank-num {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-alt);
  color: var(--text-light);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.rank-item:first-child .rank-num {
  background: var(--secondary);
  color: #fff;
}

.rank-item:nth-child(2) .rank-num {
  background: #94a3b8;
  color: #fff;
}

.rank-item:nth-child(3) .rank-num {
  background: #b45309;
  color: #fff;
}

.rank-name {
  flex: 1;
  min-width: 0;
}

.rank-name b {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-name span {
  font-size: 0.75rem;
  color: var(--text-light);
}

.rank-val {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

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

.tag-cloud a {
  padding: 5px 16px;
  border-radius: 20px;
  background: var(--bg-alt);
  color: var(--text-light);
  font-size: 0.8rem;
  border: 1px solid transparent;
  transition: var(--transition);
}

.tag-cloud a:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .news-list-wrap { grid-template-columns: 1fr; }
  .news-row { flex-wrap: wrap; }
  .news-row-img { width: 64px; height: 64px; }
  .news-row-arrow { display: none; }
}

/* ========== FAQ 板块 ========== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  cursor: pointer;
}

.faq-item:hover {
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: var(--shadow);
}

.faq-item h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.faq-item h4 i { color: var(--primary); font-size: 0.9rem; margin-top: 3px; }

.faq-item p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-left: 24px;
}

@media (max-width: 768px) {
  .faq-wrap { grid-template-columns: 1fr; }
}

/* ========== CTA 板块 ========== */
.cta-section {
  padding: 70px 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  position: relative;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.9), rgba(15, 23, 42, 0.85));
}

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

.cta-title {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.cta-text {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin: 0 auto 28px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 40px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
}

.btn-primary-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .cta-title { font-size: 1.6rem; }
  .btn { padding: 10px 22px; font-size: 0.9rem; }
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-dark);
  padding: 60px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-brand .logo-text {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 340px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}

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

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ========== 响应式容器适配 ========== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
}

/* ========== 焦点可访问性 ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* roulang page: article */
:root {
  --primary: #7C3AED;
  --primary-dark: #6D28D9;
  --primary-light: #A78BFA;
  --accent: #F59E0B;
  --accent-light: #FCD34D;
  --dark-bg: #0F0E1A;
  --body-bg: #F7F7FB;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #E8E8F0;
  --card-bg: #FFFFFF;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-dock: 0 10px 40px rgba(0, 0, 0, 0.08);
  --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --space-section: 96px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  background: var(--body-bg);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
}

/* ---------- Header / Dock Navigation ---------- */
.site-header {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 20px;
  pointer-events: none;
}
.site-header .container { pointer-events: auto; }
.dock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 60px;
  padding: 12px 28px;
  box-shadow: var(--shadow-dock);
  border: 1px solid rgba(255, 255, 255, 0.7);
  transition: box-shadow 0.3s;
}
.dock-bar:hover { box-shadow: 0 12px 44px rgba(0, 0, 0, 0.12); }
.logo-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo-mark {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, #8B5CF6 60%, var(--accent) 130%);
  color: #fff;
  font-size: 17px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}
.dock-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.dock-links a {
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.25s;
  white-space: nowrap;
}
.dock-links a:hover {
  color: var(--primary);
  background: rgba(124, 58, 237, 0.08);
}
.dock-links a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #8B5CF6);
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}
.dock-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-nav {
  padding: 9px 22px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  background: var(--dark-bg);
  color: #fff;
  transition: all 0.25s;
  white-space: nowrap;
}
.btn-nav:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(15, 14, 26, 0.25);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--dark-bg);
  color: #fff;
  font-size: 17px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
@media (max-width: 992px) {
  .dock-bar { flex-wrap: wrap; border-radius: 28px; padding: 14px 20px; }
  .dock-links {
    order: 3;
    flex-basis: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    gap: 6px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    margin-top: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .dock-links a { flex-shrink: 0; padding: 6px 16px; font-size: 14px; }
}
@media (max-width: 768px) {
  .site-header { top: 10px; padding: 0 12px; }
  .dock-bar { border-radius: 24px; padding: 12px 16px; }
  .logo-text { font-size: 19px; }
  .logo-mark { width: 34px; height: 34px; font-size: 15px; border-radius: 10px; }
  .dock-actions .btn-nav { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- Article Hero ---------- */
.article-hero {
  position: relative;
  padding: 190px 0 90px;
  background: urL('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  min-height: 460px;
  display: flex;
  align-items: center;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 8, 25, 0.95) 0%, rgba(76, 29, 149, 0.72) 70%, rgba(124, 58, 237, 0.5) 100%);
}
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.85); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: 0.5; }
.article-hero h1 {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.25;
  max-width: 860px;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #0F0E1A;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 40px;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}
.hero-date {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.12);
  padding: 5px 16px;
  border-radius: 40px;
  backdrop-filter: blur(8px);
}
@media (max-width: 768px) {
  .article-hero { padding: 150px 0 60px; min-height: 380px; }
  .article-hero h1 { font-size: 26px; }
}

/* ---------- Article Main Layout ---------- */
.article-main {
  padding: 64px 0 80px;
  background: var(--body-bg);
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}
.article-body {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 48px;
  min-height: 300px;
  border: 1px solid rgba(232, 232, 240, 0.6);
}
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-main);
}
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 36px 0 16px;
  color: var(--text-main);
  line-height: 1.35;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
}
.article-content h3 {
  font-size: 21px;
  font-weight: 700;
  margin: 28px 0 14px;
  color: var(--text-main);
}
.article-content p {
  margin-bottom: 18px;
  color: #334155;
}
.article-content ul,
.article-content ol {
  margin: 18px 0 22px;
  padding-left: 26px;
  color: #334155;
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li {
  margin-bottom: 8px;
  line-height: 1.75;
}
.article-content blockquote {
  margin: 24px 0;
  padding: 18px 24px;
  background: #F3EEFF;
  border-radius: 14px;
  border-left: 4px solid var(--primary);
  color: #4C3590;
  font-style: italic;
}
.article-content img {
  border-radius: var(--radius-md);
  margin: 22px 0;
  box-shadow: var(--shadow-card);
}
.article-content a {
  color: var(--primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover { color: var(--primary-dark); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.article-content table th {
  background: #F3EEFF;
  font-weight: 700;
  color: var(--text-main);
}
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.tag-label {
  font-size: 14px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 4px;
}
.tag {
  display: inline-block;
  padding: 5px 16px;
  background: #F1F0F9;
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  border-radius: 40px;
  transition: all 0.2s;
}
.tag:hover {
  background: var(--primary);
  color: #fff;
}
.not-found {
  text-align: center;
  padding: 50px 20px;
}
.not-found-icon {
  font-size: 52px;
  color: var(--primary-light);
  margin-bottom: 18px;
}
.not-found h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}
.not-found p {
  color: var(--text-muted);
  margin-bottom: 26px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s;
  line-height: 1.4;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #8B5CF6);
  color: #fff;
  box-shadow: 0 4px 18px rgba(124, 58, 237, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(124, 58, 237, 0.45);
  color: #fff;
}

/* ---------- Sidebar ---------- */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.sidebar-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px;
  border: 1px solid rgba(232, 232, 240, 0.6);
}
.sidebar-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-card h3 i {
  color: var(--primary);
  font-size: 16px;
}
.sidebar-image-card {
  position: relative;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.sidebar-image-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.sidebar-image-card .overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to top, rgba(15, 14, 26, 0.92), rgba(15, 14, 26, 0.15));
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.sidebar-list li {
  border-bottom: 1px solid #F1F0F9;
  padding: 12px 0;
}
.sidebar-list li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-list li:first-child { padding-top: 0; }
.sidebar-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.2s;
}
.sidebar-list a:hover { transform: translateX(4px); }
.sidebar-list .list-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sidebar-list a:hover .list-title { color: var(--primary); }
.sidebar-list .list-date {
  font-size: 12px;
  color: var(--text-light);
}
.sidebar-cats {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: #F8F7FC;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  transition: all 0.25s;
  border: 1px solid transparent;
}
.cat-item::before {
  content: '\f0da';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--primary);
  font-size: 12px;
}
.cat-item:hover {
  background: rgba(124, 58, 237, 0.08);
  color: var(--primary);
  border-color: rgba(124, 58, 237, 0.2);
  transform: translateX(4px);
}
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 28px;
  }
  .article-body { padding: 36px; }
}
@media (max-width: 768px) {
  .article-main { padding: 36px 0 60px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-body { padding: 28px 22px; }
  .article-content { font-size: 15px; }
}

/* ---------- Related Posts ---------- */
.related-posts {
  background: #fff;
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  text-align: center;
  margin-bottom: 44px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 42px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.section-head p {
  color: var(--text-muted);
  font-size: 15px;
  margin-top: 14px;
}
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.post-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(232, 232, 240, 0.7);
  transition: all 0.35s;
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.card-img-wrap {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.post-card:hover .card-img-wrap img { transform: scale(1.06); }
.card-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 14, 26, 0.35), transparent 50%);
  opacity: 0.6;
  transition: opacity 0.3s;
}
.post-card:hover .card-img-wrap::after { opacity: 1; }
.card-body {
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-cat {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: #F3EEFF;
  display: inline-block;
  padding: 3px 12px;
  border-radius: 30px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-body h3 a {
  transition: color 0.2s;
}
.card-body h3 a:hover { color: var(--primary); }
.card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-light);
}
.empty-tip {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  grid-column: 1 / -1;
}
@media (max-width: 992px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .related-posts { padding: 56px 0; }
  .posts-grid { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 24px; }
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: var(--dark-bg);
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.15;
}
.cta-box {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}
.cta-box h2 {
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  margin-bottom: 34px;
}
.cta-btns {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-light {
  background: #fff;
  color: var(--text-main);
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.2);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 255, 255, 0.3);
  color: var(--text-main);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
  padding: 11px 26px;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}
@media (max-width: 640px) {
  .cta-section { padding: 56px 0; }
  .cta-box h2 { font-size: 24px; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0B0914;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .logo-text {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 380px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: all 0.2s;
}
.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px 0 28px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category2 */
:root {
    --primary: #7c4dff;
    --primary-dark: #5e35b1;
    --primary-light: #b39ddb;
    --accent: #00e5a0;
    --accent-dark: #00a87b;
    --bg: #0b0d14;
    --bg-soft: #12151f;
    --bg-card: #1a1e2c;
    --bg-card-hover: #222738;
    --text: #eef0f4;
    --text-weak: #9aa3b5;
    --border: rgba(255, 255, 255, 0.08);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    --shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul, ol {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* ========== Floating Dock Navigation ========== */
.site-header {
    position: fixed;
    top: 20px;
    left: 0;
    right: 0;
    z-index: 999;
    pointer-events: none;
}

.dock-bar {
    pointer-events: auto;
    max-width: 980px;
    margin: 0 auto;
    background: rgba(18, 21, 31, 0.75);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border: 1px solid var(--border);
    border-radius: 60px;
    padding: 12px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
    transition: var(--transition);
}

.dock-bar .logo-text {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.dock-bar .logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 0 20px rgba(124, 77, 255, 0.4);
}

.dock-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}

.dock-links a {
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-weak);
    white-space: nowrap;
    transition: var(--transition);
}

.dock-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.dock-links a.active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 4px 20px rgba(124, 77, 255, 0.35);
}

.dock-cta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dock-cta .btn-search {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    color: var(--text-weak);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.dock-cta .btn-search:hover {
    color: #fff;
    border-color: var(--primary);
    background: rgba(124, 77, 255, 0.15);
}

.dock-burger {
    display: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

/* Mobile dock menu */
.dock-mobile-menu {
    pointer-events: auto;
    display: none;
    max-width: 980px;
    margin: 10px auto 0;
    background: rgba(18, 21, 31, 0.95);
    backdrop-filter: blur(22px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 16px 20px;
    box-shadow: var(--shadow);
}

.dock-mobile-menu a {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--text-weak);
    font-weight: 500;
    transition: var(--transition);
}

.dock-mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.dock-mobile-menu a.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

/* ========== Page Banner ========== */
.page-banner {
    position: relative;
    padding: 170px 0 90px;
    background: linear-gradient(135deg, #0b0d14 0%, #1a1028 50%, #0b0d14 100%);
    overflow: hidden;
}

.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity: 0.25;
}

.page-banner::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 13, 20, 0.7) 0%, rgba(11, 13, 20, 0.4) 50%, var(--bg) 100%);
}

.banner-inner {
    position: relative;
    z-index: 2;
    text-align: center;
}

.banner-tag {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 30px;
    background: rgba(124, 77, 255, 0.15);
    border: 1px solid rgba(124, 77, 255, 0.3);
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 22px;
}

.banner-inner h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 18px;
    background: linear-gradient(90deg, #fff, #c9b8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner-inner p {
    max-width: 660px;
    margin: 0 auto;
    color: var(--text-weak);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ========== Featured Guides ========== */
.section-block {
    padding: 80px 0;
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
}

.section-header .sec-label {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
}

.section-header p {
    color: var(--text-weak);
    font-size: 0.95rem;
    max-width: 420px;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.guide-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.guide-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(124, 77, 255, 0.25);
    background: var(--bg-card-hover);
}

.guide-card .card-cover {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.guide-card:hover .card-cover img {
    transform: scale(1.05);
}

.guide-card .card-cover .badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.guide-card .card-body {
    padding: 24px;
}

.guide-card .card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--text-weak);
    margin-bottom: 10px;
}

.guide-card .card-meta .dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-weak);
    opacity: 0.5;
}

.guide-card h3 {
    font-size: 1.18rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
}

.guide-card h3 a:hover {
    color: var(--primary-light);
}

.guide-card .card-desc {
    color: var(--text-weak);
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.guide-card .card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.guide-card .read-more {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 6px;
}

.guide-card .read-more i {
    transition: transform 0.3s ease;
}

.guide-card .read-more:hover i {
    transform: translateX(4px);
}

.guide-card .card-stats {
    display: flex;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-weak);
}

.guide-card .card-stats i {
    margin-right: 4px;
    font-size: 0.75rem;
}

/* ========== Tabs ========== */
.tabs-section {
    background: var(--bg-soft);
    padding: 80px 0;
}

.tabs-panel {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 10px 26px;
    border-radius: 30px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-weak);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--text);
    border-color: rgba(124, 77, 255, 0.4);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(124, 77, 255, 0.3);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.tab-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 26px;
    transition: var(--transition);
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.tab-item:hover {
    background: var(--bg-card-hover);
    border-left: 3px solid var(--primary);
    transform: translateX(4px);
}

.tab-item .num {
    font-size: 2rem;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px rgba(124, 77, 255, 0.5);
    line-height: 1;
    min-width: 50px;
}

.tab-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.tab-item p {
    font-size: 0.86rem;
    color: var(--text-weak);
    line-height: 1.6;
}

/* ========== Step-by-step ========== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step-card {
    position: relative;
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.step-card .step-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(124, 77, 255, 0.2), rgba(0, 229, 160, 0.15));
    border: 1px solid rgba(124, 77, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-light);
    margin: 0 auto 18px;
}

.step-card .step-num {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-light);
    background: rgba(124, 77, 255, 0.12);
    padding: 4px 12px;
    border-radius: 20px;
}

.step-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.86rem;
    color: var(--text-weak);
    line-height: 1.65;
}

/* ========== Learning Path / Content List ========== */
.path-section {
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
}

.path-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.path-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow);
}

.path-visual img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.path-visual .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.85));
    color: #fff;
}

.path-visual .overlay h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.path-visual .overlay p {
    font-size: 0.88rem;
    opacity: 0.8;
}

.path-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.path-list-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
}

.path-list-item:hover {
    background: var(--bg-card-hover);
    border-color: rgba(124, 77, 255, 0.25);
    transform: translateX(4px);
}

.path-list-item .index-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(124, 77, 255, 0.12);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.path-list-item .item-body h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.path-list-item .item-body p {
    font-size: 0.84rem;
    color: var(--text-weak);
    line-height: 1.5;
}

.path-list-item .item-tag {
    margin-left: auto;
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(0, 229, 160, 0.1);
    color: var(--accent);
    font-weight: 600;
}

/* ========== Data Stats ========== */
.stats-section {
    padding: 70px 0;
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.stat-item {
    padding: 30px 20px;
}

.stat-item .stat-num {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 8px;
}

.stat-item .stat-label {
    font-size: 0.9rem;
    color: var(--text-weak);
    font-weight: 500;
}

/* ========== FAQ ========== */
.faq-section {
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(124, 77, 255, 0.25);
}

.faq-item summary {
    padding: 22px 26px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    transition: var(--transition);
}

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

.faq-item summary::after {
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.8rem;
    color: var(--text-weak);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

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

.faq-item summary:hover {
    color: var(--primary-light);
}

.faq-item .faq-answer {
    padding: 0 26px 22px;
    color: var(--text-weak);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* ========== CTA ========== */
.cta-section {
    padding: 80px 0 100px;
}

.cta-box {
    position: relative;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #00c896 100%);
    border-radius: var(--radius-lg);
    padding: 60px 50px;
    text-align: center;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(124, 77, 255, 0.3);
}

.cta-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    opacity: 0.15;
}

.cta-box > * {
    position: relative;
    z-index: 1;
}

.cta-box h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.cta-box p {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 560px;
    margin: 0 auto 30px;
}

.cta-box .btn-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 36px;
    border-radius: 50px;
    background: #fff;
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.cta-box .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

/* ========== Footer ========== */
.site-footer {
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-brand .logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer-brand .logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
}

.footer-brand p {
    color: var(--text-weak);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 10px;
    position: relative;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

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

.footer-col ul li a {
    color: var(--text-weak);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-light);
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--text-weak);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--text-weak);
}

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

/* ========== Responsive ========== */
@media screen and (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tab-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .path-layout {
        grid-template-columns: 1fr;
    }
    .dock-links a {
        padding: 8px 12px;
        font-size: 0.86rem;
    }
}

@media screen and (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    .dock-links {
        display: none;
    }
    .dock-burger {
        display: flex;
    }
    .dock-cta .btn-search {
        display: none;
    }
    .dock-mobile-menu.open {
        display: block;
    }
    .dock-bar {
        padding: 10px 20px;
    }
    .page-banner {
        padding: 140px 0 60px;
    }
    .banner-inner h1 {
        font-size: 2.2rem;
    }
    .section-block {
        padding: 60px 0;
    }
    .featured-grid {
        grid-template-columns: 1fr;
    }
    .tab-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid,
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .cta-box {
        padding: 40px 24px;
    }
    .cta-box h3 {
        font-size: 1.4rem;
    }
}

@media screen and (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .dock-bar {
        padding: 8px 16px;
    }
    .dock-bar .logo-text {
        font-size: 1rem;
    }
    .steps-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .step-card {
        padding: 28px 20px;
    }
    .banner-inner h1 {
        font-size: 1.8rem;
    }
    .banner-tag {
        font-size: 0.78rem;
        padding: 5px 14px;
    }
    .path-visual img {
        height: 280px;
    }
    .path-list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 18px;
    }
    .path-list-item .item-tag {
        margin-left: 0;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category3 */
:root {
      --primary: #2d5cf6;
      --primary-dark: #1e40e4;
      --primary-light: #e9efff;
      --secondary: #7c3aed;
      --accent: #f59e0b;
      --bg: #f6f7fb;
      --bg-deep: #0b1526;
      --surface: #ffffff;
      --text: #0f172a;
      --text-weak: #5b6b82;
      --border: #e2e8f0;
      --radius-lg: 22px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-sm: 0 2px 10px rgba(15, 23, 42, .05);
      --shadow-md: 0 14px 32px rgba(15, 23, 42, .08);
      --shadow-lg: 0 26px 52px rgba(15, 23, 42, .12);
      --space-section: 96px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color .2s ease;
    }

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

    ul,
    ol {
      list-style: none;
    }

    button,
    input,
    textarea {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section {
      padding: var(--space-section) 0;
    }

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

    .section-deep {
      background: var(--bg-deep);
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 44px;
    }

    .section-head.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1.5px;
      padding: 6px 16px;
      border-radius: 30px;
      margin-bottom: 14px;
    }

    .section-head h2 {
      font-size: clamp(24px, 3vw, 36px);
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 12px;
      color: var(--text);
    }

    .section-head p {
      color: var(--text-weak);
      font-size: 15.5px;
      line-height: 1.75;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 40px;
      font-size: 15px;
      font-weight: 700;
      border: 2px solid transparent;
      cursor: pointer;
      line-height: 1.2;
      transition: all .25s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 8px 22px rgba(45, 92, 246, .30);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(45, 92, 246, .42);
      color: #fff;
    }

    .btn-outline {
      border-color: rgba(255, 255, 255, .55);
      color: #fff;
      background: transparent;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, .14);
      border-color: #fff;
      transform: translateY(-2px);
      color: #fff;
    }

    .btn-light {
      background: #fff;
      color: var(--primary);
      box-shadow: 0 8px 20px rgba(0, 0, 0, .10);
    }

    .btn-light:hover {
      background: #eef2ff;
      transform: translateY(-2px);
      color: var(--primary-dark);
    }

    /* ===== Header / Dock Nav ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 16px 0 10px;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      max-width: 1280px;
      margin: 0 auto;
      padding: 12px 16px 12px 24px;
      background: rgba(255, 255, 255, .85);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, .65);
      border-radius: 60px;
      box-shadow: 0 8px 32px rgba(2, 8, 30, .10);
      position: relative;
      z-index: 100;
    }

    .logo-text {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 20px;
      letter-spacing: .5px;
      color: var(--text);
      white-space: nowrap;
    }

    .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      font-size: 16px;
      box-shadow: 0 6px 16px rgba(45, 92, 246, .30);
    }

    .dock-links {
      display: flex;
      align-items: center;
      gap: 6px;
      background: rgba(15, 23, 42, .04);
      padding: 6px;
      border-radius: 40px;
    }

    .dock-links a {
      padding: 9px 18px;
      border-radius: 30px;
      font-size: 14.5px;
      font-weight: 600;
      color: var(--text-weak);
      transition: all .25s ease;
      white-space: nowrap;
    }

    .dock-links a:hover {
      color: var(--text);
      background: rgba(255, 255, 255, .85);
    }

    .dock-links a.active {
      background: var(--text);
      color: #fff;
      box-shadow: 0 4px 12px rgba(15, 23, 42, .18);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .header-actions .btn {
      padding: 10px 22px;
      font-size: 14px;
    }

    /* ===== Page Banner ===== */
    .page-banner {
      position: relative;
      min-height: 620px;
      display: flex;
      align-items: center;
      background: linear-gradient(120deg, rgba(8, 15, 35, .94), rgba(22, 34, 70, .86) 48%, rgba(55, 30, 95, .74)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      padding: 150px 0 90px;
      color: #fff;
    }

    .banner-inner {
      max-width: 860px;
    }

    .banner-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .22);
      padding: 7px 18px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 1px;
      margin-bottom: 22px;
    }

    .page-banner h1 {
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.18;
      font-weight: 900;
      margin-bottom: 20px;
      letter-spacing: 1px;
    }

    .page-banner .banner-desc {
      font-size: clamp(15px, 1.6vw, 18px);
      color: rgba(255, 255, 255, .84);
      max-width: 680px;
      margin-bottom: 32px;
      line-height: 1.8;
    }

    .banner-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 44px;
    }

    .banner-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 40px;
    }

    .stat-item .num {
      font-size: 30px;
      font-weight: 900;
      line-height: 1.2;
      color: #fff;
    }

    .stat-item .label {
      font-size: 13px;
      color: rgba(255, 255, 255, .68);
      margin-top: 2px;
    }

    /* ===== Category Cards ===== */
    .category-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 28px 26px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: transform .3s ease, box-shadow .3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .category-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #d2defc;
    }

    .card-icon {
      width: 54px;
      height: 54px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 21px;
      color: #fff;
      margin-bottom: 18px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 8px 18px rgba(45, 92, 246, .24);
    }

    .category-card h3 {
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text);
    }

    .category-card p {
      font-size: 14.5px;
      color: var(--text-weak);
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
    }

    .card-link {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap .2s ease;
    }

    .card-link:hover {
      gap: 10px;
    }

    /* ===== Split Feature ===== */
    .split-media {
      border-radius: 26px;
      overflow: hidden;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .split-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 340px;
    }

    .split-content h2 {
      font-size: clamp(22px, 2.6vw, 32px);
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .split-content .lead {
      color: var(--text-weak);
      font-size: 15.5px;
      margin-bottom: 24px;
    }

    .check-list li {
      display: flex;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 15px;
      color: var(--text);
      align-items: flex-start;
    }

    .check-list i {
      color: var(--primary);
      font-size: 16px;
      margin-top: 5px;
    }

    .check-list strong {
      font-weight: 700;
    }

    .split-content .btn {
      margin-top: 8px;
    }

    /* ===== Stats Block ===== */
    .stats-block {
      background: linear-gradient(135deg, #0b1526, #152042, #1b1a4a);
      color: #fff;
      padding: 84px 0;
    }

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

    .stats-block .section-head p {
      color: rgba(255, 255, 255, .7);
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 34px;
      text-align: center;
    }

    .stats-item {
      background: rgba(255, 255, 255, .05);
      border: 1px solid rgba(255, 255, 255, .08);
      border-radius: var(--radius-lg);
      padding: 36px 20px;
      transition: transform .3s, background .3s;
    }

    .stats-item:hover {
      background: rgba(255, 255, 255, .10);
      transform: translateY(-4px);
    }

    .stats-item .num {
      font-size: 42px;
      font-weight: 900;
      background: linear-gradient(135deg, #fff, #c7d2fe);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .stats-item .label {
      font-size: 14px;
      color: rgba(255, 255, 255, .72);
    }

    /* ===== Article Cards ===== */
    .article-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: transform .3s ease, box-shadow .3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .article-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .article-thumb {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #e8edf5;
    }

    .article-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .article-card:hover .article-thumb img {
      transform: scale(1.04);
    }

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

    .article-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 10px;
    }

    .tag {
      font-size: 12px;
      font-weight: 600;
      background: var(--primary-light);
      color: var(--primary);
      padding: 4px 12px;
      border-radius: 20px;
    }

    .article-body h3 {
      font-size: 17px;
      font-weight: 800;
      line-height: 1.5;
      margin-bottom: 8px;
      color: var(--text);
    }

    .article-body p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.65;
    }

    .article-footer {
      margin-top: auto;
      padding-top: 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #94a3b8;
      border-top: 1px solid #f1f5f9;
    }

    /* ===== Steps ===== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
    }

    .step-item {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 38px 26px 30px;
      text-align: center;
      border: 1px solid var(--border);
      position: relative;
      transition: transform .3s, box-shadow .3s;
    }

    .step-item:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 18px;
      box-shadow: 0 8px 18px rgba(45, 92, 246, .26);
    }

    .step-item h3 {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.65;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      padding: 22px 28px;
      transition: border-color .3s, box-shadow .3s;
    }

    .faq-item:hover {
      border-color: #c7d6fe;
      box-shadow: var(--shadow-sm);
    }

    .faq-item summary {
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      line-height: 1.5;
    }

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

    .faq-item summary::after {
      content: '\f078';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      color: var(--text-weak);
      font-size: 14px;
      transition: transform .3s ease;
      flex-shrink: 0;
    }

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

    .faq-answer {
      color: var(--text-weak);
      font-size: 15px;
      line-height: 1.8;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px dashed var(--border);
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 90px 0;
    }

    .cta-box {
      border-radius: 28px;
      padding: 72px 56px;
      background: linear-gradient(120deg, rgba(9, 16, 36, .92), rgba(36, 48, 100, .85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      color: #fff;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-box h2 {
      font-size: clamp(24px, 3vw, 36px);
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .cta-box p {
      font-size: 15.5px;
      color: rgba(255, 255, 255, .82);
      max-width: 640px;
      margin: 0 auto 30px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      justify-content: center;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0b1526;
      color: #94a3b8;
      padding: 70px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 44px;
    }

    .footer-brand .logo-text {
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 14.5px;
      line-height: 1.75;
      max-width: 380px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
      letter-spacing: .5px;
    }

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

    .footer-col a {
      font-size: 14px;
      color: #94a3b8;
      transition: color .2s, padding-left .2s;
    }

    .footer-col a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 13px;
    }

    .footer-bottom a {
      color: #c7d2fe;
    }

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

    /* ===== Focus Accessibility ===== */
    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(45, 92, 246, .4);
      outline-offset: 2px;
      border-radius: 4px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .header-inner {
        flex-wrap: wrap;
        padding: 12px 16px;
        border-radius: 28px;
        gap: 10px;
      }

      .dock-links {
        order: 3;
        width: 100%;
        justify-content: center;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding: 4px 6px;
        scrollbar-width: none;
      }

      .dock-links::-webkit-scrollbar {
        display: none;
      }

      .dock-links a {
        padding: 8px 16px;
        font-size: 14px;
        flex-shrink: 0;
      }

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

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

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --space-section: 64px;
      }

      .section {
        padding: 64px 0;
      }

      .page-banner {
        min-height: 540px;
        padding: 130px 0 70px;
      }

      .banner-stats {
        gap: 20px;
        flex-direction: column;
        align-items: flex-start;
      }

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

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

      .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }

      .stats-item .num {
        font-size: 32px;
      }

      .cta-box {
        padding: 48px 26px;
        border-radius: 22px;
      }

      .split-content {
        margin-top: 28px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }

      .header-inner {
        border-radius: 24px;
        padding: 10px 14px;
        gap: 8px;
      }

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

      .logo-mark {
        width: 32px;
        height: 32px;
        font-size: 14px;
        border-radius: 10px;
      }

      .dock-links a {
        padding: 8px 13px;
        font-size: 13px;
      }

      .header-actions .btn {
        padding: 9px 16px;
        font-size: 13px;
      }

      .page-banner h1 {
        font-size: 28px;
      }

      .page-banner .banner-desc {
        font-size: 14.5px;
      }

      .banner-actions .btn {
        width: 100%;
      }

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

      .article-body h3 {
        font-size: 16px;
      }

      .faq-item {
        padding: 18px 20px;
      }

      .faq-item summary {
        font-size: 15px;
      }

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

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