/* roulang page: index */
/* ===== Design Variables ===== */
:root{
  --primary:#0b2545;
  --primary-2:#13315c;
  --accent:#e9a13b;
  --accent-2:#ffcc6b;
  --deep:#071528;
  --deep-2:#0c233f;
  --bg:#f4f7fc;
  --surface:#ffffff;
  --ink:#141b29;
  --ink-weak:#5c6a80;
  --line:#e2e8f2;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 6px 24px rgba(11,37,69,.06);
  --shadow-lg:0 18px 50px rgba(11,37,69,.13);
  --transition:all .25s cubic-bezier(.4,0,.2,1);
  --container:1200px;
}

/* ===== Reset & Base ===== */
*,*::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(--ink);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}

/* ===== Container & Utilities ===== */
.container{max-width:var(--container);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section-head{max-width:640px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:700;
  margin-bottom:10px;
}
.section-head h2{
  font-size:34px;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:12px;
  color:var(--primary);
}
.section-head p{color:var(--ink-weak);font-size:16px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:14px;
  border:1px solid transparent;
  cursor:pointer;
  transition:var(--transition);
  line-height:1.4;
  justify-content:center;
}
.btn-primary{
  background:var(--accent);
  color:#141b29;
  box-shadow:0 8px 24px rgba(233,161,59,.3);
}
.btn-primary:hover{
  background:var(--accent-2);
  transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(233,161,59,.4);
}
.btn-outline{
  border-color:rgba(255,255,255,.4);
  color:#fff;
  background:transparent;
}
.btn-outline:hover{
  border-color:#fff;
  background:rgba(255,255,255,.08);
  transform:translateY(-2px);
}
.btn-ghost{
  border-color:var(--line);
  color:var(--primary);
  background:var(--surface);
}
.btn-ghost:hover{
  border-color:var(--primary);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}
.btn-sm{padding:8px 18px;font-size:13px}
.btn:focus-visible{outline:3px solid rgba(233,161,59,.5);outline-offset:2px}

/* ===== Badges ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:#f0f3fa;
  color:var(--primary-2);
  border:1px solid var(--line);
  white-space:nowrap;
}
.badge-accent{
  background:rgba(233,161,59,.12);
  color:#b7791f;
  border-color:rgba(233,161,59,.25);
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.is-stuck{box-shadow:0 6px 30px rgba(11,37,69,.08)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-dot{
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--accent);
  box-shadow:0 0 0 5px rgba(233,161,59,.18);
}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--primary);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  padding:8px 16px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-weak);
  border-radius:999px;
  transition:var(--transition);
}
.nav-link:hover{color:var(--primary);background:#f2f6fc}
.nav-link.active{
  color:var(--primary);
  font-weight:600;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:12px;
  cursor:pointer;
}
.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:var(--transition);
}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:130px 0 140px;
  background:
    linear-gradient(120deg,rgba(7,21,40,.92) 0%,rgba(11,37,69,.82) 55%,rgba(19,49,92,.72) 100%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  bottom:-80px;
  right:-40px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(233,161,59,.18),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero .eyebrow{
  color:var(--accent-2);
  font-size:13px;
}
.hero h1{
  font-size:50px;
  line-height:1.12;
  letter-spacing:-.02em;
  font-weight:800;
  margin:18px 0 20px;
  text-shadow:0 4px 30px rgba(0,0,0,.2);
}
.hero p{
  font-size:17px;
  color:rgba(255,255,255,.82);
  max-width:620px;
  margin-bottom:34px;
}
.hero-btns{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:40px;
}
.hero-tags .badge{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.18);
  color:rgba(255,255,255,.88);
}

/* ===== Ticker ===== */
.ticker{
  background:var(--deep);
  border-bottom:1px solid rgba(255,255,255,.06);
  padding:14px 0;
  color:rgba(255,255,255,.75);
  font-size:13px;
}
.ticker-inner{
  display:flex;
  align-items:center;
  gap:16px;
  overflow:hidden;
  white-space:nowrap;
}
.ticker-icon{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  color:var(--accent-2);
  flex-shrink:0;
}
.ticker-icon i{font-style:normal}

/* ===== Intro Features ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.feature-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:linear-gradient(90deg,var(--accent),transparent);
  opacity:0;
  transition:var(--transition);
}
.feature-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(233,161,59,.4);
}
.feature-card:hover::before{opacity:1}
.feature-icon{
  width:56px;
  height:56px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,rgba(233,161,59,.18),rgba(233,161,59,.08));
  margin-bottom:20px;
  font-size:24px;
}
.feature-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:10px;
}
.feature-card p{color:var(--ink-weak);font-size:14px;line-height:1.7}

/* ===== Category Cards ===== */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.cat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.cat-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.cat-card-cover{
  position:relative;
  height:190px;
  overflow:hidden;
}
.cat-card-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.cat-card:hover .cat-card-cover img{transform:scale(1.06)}
.cat-card-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(11,37,69,.25));
}
.cat-card-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.cat-card-body h3{
  font-size:18px;
  color:var(--primary);
  font-weight:700;
  margin-bottom:8px;
}
.cat-card-body p{
  color:var(--ink-weak);
  font-size:14px;
  line-height:1.65;
  margin-bottom:16px;
  flex:1;
}
.cat-card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
  transition:var(--transition);
}
.cat-card-link:hover{gap:12px;color:#b7791f}

/* ===== Latest List ===== */
.latest-section{background:var(--surface)}
.latest-section .section{padding-top:80px}
.latest-list{
  display:grid;
  gap:14px;
}
.latest-item{
  display:flex;
  align-items:center;
  gap:22px;
  padding:22px 26px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:var(--transition);
}
.latest-item:hover{
  border-color:rgba(233,161,59,.45);
  box-shadow:var(--shadow);
  transform:translateX(4px);
  background:var(--surface);
}
.latest-item--info{
  flex:1;
  min-width:0;
}
.latest-item--title{
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:4px;
  transition:var(--transition);
}
.latest-item:hover .latest-item--title{color:var(--primary)}
.latest-item--desc{
  color:var(--ink-weak);
  font-size:13px;
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}
.latest-item--meta{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
  flex-shrink:0;
}
.latest-item--meta time{
  font-size:12px;
  color:var(--ink-weak);
}
.empty-tip{
  padding:60px 30px;
  text-align:center;
  color:var(--ink-weak);
  background:var(--bg);
  border:1px dashed var(--line);
  border-radius:var(--radius);
  font-size:15px;
}

/* ===== Stats ===== */
.stats-section{
  background:
    linear-gradient(135deg,rgba(7,21,40,.94),rgba(11,37,69,.88)),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  color:#fff;
  text-align:center;
}
.stats-section .section-head h2{color:#fff}
.stats-section .section-head p{color:rgba(255,255,255,.7)}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
  margin-top:24px;
}
.stat-card{
  padding:36px 20px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);
  transition:var(--transition);
}
.stat-card:hover{
  background:rgba(255,255,255,.09);
  transform:translateY(-4px);
}
.stat-num{
  font-size:42px;
  font-weight:800;
  color:var(--accent-2);
  line-height:1.2;
  margin-bottom:6px;
  letter-spacing:-.02em;
}
.stat-label{color:rgba(255,255,255,.7);font-size:14px}

/* ===== Steps ===== */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
}
.step-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:32px 26px;
  position:relative;
  transition:var(--transition);
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.step-num{
  font-size:15px;
  font-weight:800;
  color:#fff;
  background:var(--primary);
  width:38px;
  height:38px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
}
.step-card h3{
  font-size:17px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:8px;
}
.step-card p{color:var(--ink-weak);font-size:14px}

/* ===== Topics ===== */
.topic-track{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:6px 6px 22px;
  scroll-snap-type:x mandatory;
}
.topic-track::-webkit-scrollbar{height:8px}
.topic-track::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px}
.topic-track::-webkit-scrollbar-track{background:#eef2f8}
.topic-card{
  flex:0 0 320px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  scroll-snap-align:start;
  transition:var(--transition);
}
.topic-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
}
.topic-cover{
  height:140px;
  overflow:hidden;
  position:relative;
}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.topic-card:hover .topic-cover img{transform:scale(1.05)}
.topic-cover::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,37,69,.35));
}
.topic-body{padding:22px 22px 26px}
.topic-body h3{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:8px}
.topic-body p{color:var(--ink-weak);font-size:13px;line-height:1.65;margin-bottom:14px}
.topic-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--accent);
}

/* ===== FAQ ===== */
.faq-section{background:var(--surface)}
.faq-list{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:12px;
  background:var(--bg);
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{border-color:rgba(233,161,59,.3)}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--primary);
}
.faq-question .faq-icon{
  width:28px;
  height:28px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  color:var(--accent);
  transition:var(--transition);
  flex-shrink:0;
}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-answer-inner{
  padding:0 24px 22px;
  color:var(--ink-weak);
  font-size:14px;
  line-height:1.75;
}

/* ===== CTA ===== */
.cta-section{
  background:
    linear-gradient(120deg,rgba(7,21,40,.9),rgba(19,49,92,.85)),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  color:#fff;
  text-align:center;
}
.cta-inner{
  max-width:760px;
  margin:0 auto;
  padding:70px 0 80px;
}
.cta-inner h2{
  font-size:36px;
  line-height:1.25;
  margin-bottom:16px;
  font-weight:800;
}
.cta-inner p{
  color:rgba(255,255,255,.8);
  font-size:16px;
  margin-bottom:32px;
}
.cta-btns{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.75);
  padding-top:70px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;
  padding-bottom:50px;
}
.footer-brand .brand-text{color:#fff;font-size:18px}
.footer-brand .brand-dot{background:var(--accent-2)}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  transition:var(--transition);
}
.footer-col ul li a:hover{
  color:var(--accent-2);
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom .domain-color{color:var(--accent-2)}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .feature-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:80px 0}
}
@media (max-width:768px){
  .header-inner{height:64px}
  .menu-toggle{display:flex}
  .main-nav{
    position:fixed;
    top:64px;
    left:0;
    right:0;
    background:var(--surface);
    flex-direction:column;
    align-items:stretch;
    padding:18px 24px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lg);
    transform:translateY(-130%);
    opacity:0;
    visibility:hidden;
    transition:transform .35s ease,opacity .3s ease,visibility .3s;
    z-index:99;
  }
  .main-nav.open{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
  }
  .nav-link{
    padding:14px 10px;
    border-bottom:1px solid #f1f4fa;
    border-radius:0;
  }
  .nav-link:last-child{border-bottom:none}
  .header-actions .btn{display:none}
  .hero{padding:90px 0 110px}
  .hero h1{font-size:38px}
  .hero p{font-size:15px}
  .section{padding:64px 0}
  .section-head h2{font-size:28px}
  .latest-item{flex-direction:column;align-items:flex-start;gap:12px;padding:18px 20px}
  .latest-item--meta{flex-direction:row;align-items:center}
  .footer-grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:30px}
  .hero{padding:70px 0 90px}
  .feature-grid,.cat-grid,.steps-grid,.stats-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .topic-card{flex-basis:270px}
  .hero-btns .btn,.cta-btns .btn{width:100%}
  .brand-text{font-size:15px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
}
@media (max-width:380px){
  .brand-dot{display:none}
  .brand-text{font-size:14px}
}

/* roulang page: article */
:root {
  --primary: #0f2b4c;
  --primary-600: #16407a;
  --primary-100: #e8eef7;
  --accent: #e8a33d;
  --accent-600: #d18e2a;
  --accent-100: #fdf2df;
  --bg: #f5f7fa;
  --white: #ffffff;
  --text: #1c2a3a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 16px rgba(15, 43, 76, 0.06);
  --shadow: 0 12px 32px rgba(15, 43, 76, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 43, 76, 0.12);
  --transition: all 0.3s ease;
  --container-w: 1200px;
  --header-h: 76px;
}
*, *::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; font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container { width: 100%; max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }

/* Header */
.site-header { background: var(--white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px); background: rgba(255,255,255,0.92); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(232,163,61,0.18); }
.brand-text { font-size: 22px; font-weight: 800; letter-spacing: 0.5px; color: var(--primary); white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 36px; }
.nav-link { font-size: 15px; font-weight: 500; color: var(--text); position: relative; padding: 8px 2px; letter-spacing: 0.2px; }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--accent); border-radius: 2px; transition: var(--transition); }
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { width: 100%; }
.nav-toggle { display: none; background: none; border: none; width: 42px; height: 42px; border-radius: var(--radius-sm); align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 20px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Page Banner */
.page-banner { background: linear-gradient(120deg, rgba(15,43,76,0.92), rgba(22,64,122,0.86)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; color: var(--white); padding: 72px 0 64px; position: relative; }
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.72); margin-bottom: 18px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 11px; color: rgba(255,255,255,0.5); }
.banner-title { font-size: 36px; font-weight: 800; line-height: 1.3; letter-spacing: 0.5px; margin-bottom: 12px; }
.banner-desc { font-size: 16px; color: rgba(255,255,255,0.8); max-width: 720px; line-height: 1.7; }

/* Article Layout */
.article-section { padding: 56px 0 72px; }
.article-grid { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.article-main { min-width: 0; }
.article-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; }
.article-header { padding: 40px 44px 24px; border-bottom: 1px solid var(--border); }
.badge { display: inline-flex; align-items: center; gap: 6px; background: var(--accent-100); color: var(--accent-600); font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }
.badge i { font-size: 12px; }
.article-title { font-size: 30px; font-weight: 800; line-height: 1.4; color: var(--primary); margin-bottom: 14px; }
.article-meta { display: flex; align-items: center; gap: 18px; color: var(--text-muted); font-size: 14px; flex-wrap: wrap; }
.article-meta i { font-size: 13px; margin-right: 5px; }
.article-body { padding: 36px 44px 44px; font-size: 16px; line-height: 1.9; color: var(--text); }
.article-body p { margin-bottom: 18px; }
.article-body h2 { font-size: 23px; font-weight: 700; color: var(--primary); margin: 36px 0 16px; padding-left: 14px; border-left: 4px solid var(--accent); line-height: 1.4; }
.article-body h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin: 28px 0 12px; }
.article-body ul, .article-body ol { margin-bottom: 18px; padding-left: 22px; }
.article-body ul li { list-style: disc; margin-bottom: 8px; }
.article-body ol li { list-style: decimal; margin-bottom: 8px; }
.article-body blockquote { background: var(--primary-100); border-left: 4px solid var(--primary); padding: 18px 22px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 24px 0; color: var(--primary); font-style: normal; }
.article-body img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin: 24px 0; }
.image-grid { display: grid; gap: 16px; margin: 24px 0; }
.image-grid img { width: 100%; object-fit: cover; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.tag { display: inline-block; background: var(--bg); border: 1px solid var(--border); color: var(--text); font-size: 13px; padding: 6px 14px; border-radius: 999px; transition: var(--transition); }
.tag:hover { background: var(--primary); border-color: var(--primary); color: var(--white); }
.article-footer { padding: 24px 44px; background: var(--bg); border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.action-btns { display: flex; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 24px; border-radius: 999px; font-weight: 600; font-size: 14px; line-height: 1.4; border: 1px solid transparent; transition: var(--transition); }
.btn:hover { transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #1a1a1a; box-shadow: 0 6px 18px rgba(232,163,61,0.3); }
.btn-accent:hover { background: var(--accent-600); box-shadow: 0 10px 26px rgba(232,163,61,0.4); }
.btn-outline { border-color: var(--border); color: var(--primary); background: var(--white); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-sm); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--primary-100); transform: translateY(-2px); }

/* Sidebar */
.article-side { display: flex; flex-direction: column; gap: 24px; position: sticky; top: calc(var(--header-h) + 24px); }
.side-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 28px; border: 1px solid rgba(226,232,240,0.6); }
.side-card-title { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.side-card-title i { color: var(--accent); font-size: 16px; }
.side-intro p { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 12px; }
.side-intro p:last-child { margin-bottom: 0; }
.side-highlights { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.side-highlight { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text); padding: 10px 14px; background: var(--bg); border-radius: var(--radius-sm); }
.side-highlight i { color: var(--accent); flex-shrink: 0; }
.side-nav { display: flex; flex-direction: column; gap: 4px; }
.side-nav-item { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--radius-md); transition: var(--transition); font-size: 14px; font-weight: 500; }
.side-nav-item i { width: 24px; text-align: center; color: var(--primary); }
.side-nav-item:hover { background: var(--primary-100); color: var(--primary); transform: translateX(4px); }
.side-list { display: flex; flex-direction: column; gap: 12px; }
.side-list-item { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.side-list-item:last-child { border-bottom: none; }
.side-list-icon { width: 32px; height: 32px; flex-shrink: 0; background: var(--accent-100); color: var(--accent-600); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 13px; }

/* Error state */
.not-found-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 60px 44px; text-align: center; }
.not-found-icon { font-size: 48px; color: var(--accent); margin-bottom: 20px; }
.not-found-card h2 { font-size: 28px; color: var(--primary); margin-bottom: 12px; }
.not-found-card p { color: var(--text-muted); margin-bottom: 28px; }
.error-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Category cards */
.cat-section { background: var(--white); padding: 72px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--accent-600); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
.section-title { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.35; margin-bottom: 12px; }
.section-desc { font-size: 16px; color: var(--text-muted); line-height: 1.8; }
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 28px; transition: var(--transition); position: relative; overflow: hidden; }
.cat-card::before { content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--accent); border-radius: 0 4px 4px 0; }
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(232,163,61,0.4); }
.cat-card-icon { width: 52px; height: 52px; background: var(--white); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--primary); margin-bottom: 18px; box-shadow: var(--shadow-sm); }
.cat-card h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.cat-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.cat-card-link { font-size: 14px; font-weight: 600; color: var(--accent-600); display: inline-flex; align-items: center; gap: 6px; }
.cat-card-link i { transition: var(--transition); font-size: 12px; }
.cat-card-link:hover i { transform: translateX(4px); }

/* Recommend */
.recommend-section { padding: 72px 0; }
.recommend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.recommend-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.recommend-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.recommend-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.recommend-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.recommend-card:hover .recommend-img img { transform: scale(1.05); }
.recommend-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(15,43,76,0.25)); }
.recommend-cat { position: absolute; top: 14px; left: 14px; z-index: 2; background: rgba(255,255,255,0.92); color: var(--primary); font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 999px; backdrop-filter: blur(4px); }
.recommend-body { padding: 22px 24px 26px; }
.recommend-body h3 { font-size: 16px; font-weight: 700; color: var(--primary); line-height: 1.5; margin-bottom: 8px; }
.recommend-body p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
.recommend-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--accent-600); }
.recommend-link:hover { color: var(--primary); }
.recommend-link:hover i { transform: translateX(4px); }
.recommend-link i { transition: var(--transition); font-size: 11px; }

/* FAQ */
.faq-section { background: var(--white); padding: 72px 0; border-top: 1px solid var(--border); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(232,163,61,0.4); }
.faq-item.open { background: var(--white); box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; background: none; border: none; font-size: 15px; font-weight: 600; color: var(--primary); text-align: left; }
.faq-question i { color: var(--accent); font-size: 14px; transition: var(--transition); flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 24px 22px; font-size: 14px; color: var(--text-muted); line-height: 1.85; }

/* CTA */
.cta-section { padding: 72px 0; }
.cta-box { background: linear-gradient(120deg, rgba(15,43,76,0.94), rgba(22,64,122,0.9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; border-radius: var(--radius-lg); padding: 64px; text-align: center; position: relative; overflow: hidden; }
.cta-box::before { content: ""; position: absolute; top: -80px; right: -80px; width: 260px; height: 260px; background: rgba(232,163,61,0.15); border-radius: 50%; }
.cta-box::after { content: ""; position: absolute; bottom: -100px; left: -60px; width: 220px; height: 220px; background: rgba(255,255,255,0.06); border-radius: 50%; }
.cta-box h2 { font-size: 30px; font-weight: 800; color: var(--white); margin-bottom: 14px; position: relative; z-index: 1; }
.cta-box p { font-size: 16px; color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 32px; line-height: 1.8; position: relative; z-index: 1; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* Footer */
.site-footer { background: var(--primary); color: rgba(255,255,255,0.75); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .brand-text { color: var(--white); font-size: 20px; }
.footer-brand .brand-dot { background: var(--accent); box-shadow: 0 0 0 4px rgba(232,163,61,0.18); }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 18px; max-width: 320px; color: rgba(255,255,255,0.6); }
.footer-col h4 { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,0.65); transition: var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,0.5); }
.domain-color { color: var(--accent); font-weight: 500; }

/* Responsive */
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: 1fr; gap: 32px; }
  .article-side { position: static; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .recommend-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .header-inner { height: 64px; }
  .nav-toggle { display: flex; }
  .main-nav { position: fixed; top: 64px; left: 0; right: 0; background: var(--white); flex-direction: column; align-items: flex-start; padding: 20px 24px; gap: 4px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); transform: translateY(-120%); transition: var(--transition); opacity: 0; pointer-events: none; }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { padding: 14px 0; font-size: 16px; width: 100%; }
  .nav-link.active { color: var(--accent-600); }
  .nav-link.active::after { display: none; }
  .page-banner { padding: 48px 0; }
  .banner-title { font-size: 26px; }
  .article-header { padding: 28px 24px 20px; }
  .article-body { padding: 24px; font-size: 15px; }
  .article-footer { padding: 20px 24px; }
  .cat-grid { grid-template-columns: 1fr; }
  .recommend-grid { grid-template-columns: 1fr; }
  .article-side { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .brand-text { font-size: 18px; }
  .section-title { font-size: 24px; }
  .banner-title { font-size: 22px; }
  .article-title { font-size: 22px; }
  .action-btns { flex-direction: column; width: 100%; }
  .action-btns .btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .article-meta { flex-direction: column; gap: 8px; align-items: flex-start; }
  .tags { gap: 8px; }
}

/* roulang page: category1 */
:root {
      --primary: #0b2a4a;
      --primary-light: #11456e;
      --primary-deep: #071a30;
      --accent: #c9a45c;
      --accent-dark: #a98643;
      --bg: #f6f8fb;
      --white: #ffffff;
      --text: #1c2733;
      --muted: #5c6b7a;
      --border: #e2e8f0;
      --radius: 14px;
      --radius-lg: 20px;
      --radius-xl: 28px;
      --shadow-sm: 0 2px 10px rgba(15, 32, 52, .06);
      --shadow-md: 0 14px 36px rgba(15, 32, 52, .09);
      --shadow-lg: 0 24px 60px rgba(15, 32, 52, .14);
      --container: 1200px;
      --header-h: 76px;
      --transition: .25s cubic-bezier(.4, 0, .2, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", 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;
    }

    ul {
      list-style: none;
    }

    button, input {
      font-family: inherit;
    }

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

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: var(--header-h);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.12rem;
      color: var(--primary);
      letter-spacing: .5px;
      transition: opacity var(--transition);
    }

    .brand:hover {
      opacity: .85;
    }

    .brand-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 4px rgba(201, 164, 92, .22);
      flex-shrink: 0;
    }

    .brand-text {
      white-space: nowrap;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 34px;
    }

    .nav-link {
      position: relative;
      font-size: .95rem;
      font-weight: 500;
      color: #334155;
      padding: 8px 2px;
      transition: color var(--transition);
      white-space: nowrap;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 0;
      height: 2px;
      border-radius: 2px;
      background: var(--accent);
      transition: width var(--transition);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--primary);
    }

    .nav-link.active::after,
    .nav-link:hover::after {
      width: 100%;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: var(--white);
      color: var(--primary);
      font-size: 1.1rem;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: border-color var(--transition), background var(--transition);
    }

    .nav-toggle:hover {
      border-color: var(--accent);
      background: rgba(201, 164, 92, .08);
    }

    /* ===== Page Hero ===== */
    .page-hero {
      position: relative;
      padding: 118px 0 104px;
      background: linear-gradient(135deg, rgba(6, 22, 40, .88), rgba(11, 69, 110, .76)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
      color: var(--white);
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(6, 22, 40, .25) 0%, rgba(6, 22, 40, .55) 100%);
      pointer-events: none;
    }

    .page-hero .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      font-size: .85rem;
      color: rgba(255, 255, 255, .72);
      margin-bottom: 22px;
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, .9);
      transition: color var(--transition);
    }

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

    .breadcrumb .sep {
      color: rgba(255, 255, 255, .5);
      font-size: .72rem;
    }

    .page-hero h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.22;
      letter-spacing: 1px;
      max-width: 720px;
    }

    .page-hero .hero-desc {
      font-size: 1.08rem;
      color: rgba(255, 255, 255, .82);
      max-width: 660px;
      margin-top: 18px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .82rem;
      font-weight: 600;
      padding: 7px 16px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .22);
      color: #fff;
      backdrop-filter: blur(6px);
    }

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

    /* ===== Section Common ===== */
    .section {
      padding: 84px 0;
    }

    .section-head {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .82rem;
      font-weight: 600;
      letter-spacing: 1px;
      color: var(--accent-dark);
      background: rgba(201, 164, 92, .12);
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-desc {
      color: var(--muted);
      font-size: .98rem;
    }

    /* ===== Intro ===== */
    .intro-section {
      padding: 84px 0;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 56px;
      align-items: center;
    }

    .intro-content .section-tag {
      margin-bottom: 16px;
    }

    .intro-content h2 {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.35;
      margin-bottom: 18px;
    }

    .intro-content p {
      color: var(--muted);
      margin-bottom: 14px;
    }

    .intro-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 24px;
    }

    .intro-points li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #334155;
      font-weight: 500;
      font-size: .9rem;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 10px 16px;
      box-shadow: var(--shadow-sm);
    }

    .intro-points i {
      color: var(--accent);
    }

    .intro-panel {
      display: grid;
      gap: 20px;
    }

    .panel-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 26px;
      box-shadow: var(--shadow-sm);
    }

    .panel-title {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 16px;
      font-size: .95rem;
    }

    .panel-title i {
      color: var(--accent);
      font-size: 1.05rem;
    }

    .status-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 11px 0;
      border-bottom: 1px dashed var(--border);
      font-size: .9rem;
    }

    .status-item:last-child {
      border-bottom: none;
    }

    .status-left {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 500;
      color: #334155;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .status-online {
      background: #22c55e;
      box-shadow: 0 0 0 4px rgba(34, 197, 94, .15);
    }

    .status-wait {
      background: var(--accent);
      box-shadow: 0 0 0 4px rgba(201, 164, 92, .18);
    }

    .status-right {
      color: var(--muted);
      font-size: .8rem;
    }

    .stat-card {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .stat-mini {
      text-align: center;
      padding: 10px 4px;
      border-radius: 12px;
      background: var(--bg);
      border: 1px solid var(--border);
    }

    .stat-num {
      display: block;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.25;
    }

    .stat-label {
      font-size: .78rem;
      color: var(--muted);
    }

    /* ===== Entry Cards ===== */
    .entry-section {
      background: var(--white);
      padding: 84px 0;
    }

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

    .entry-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .entry-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: rgba(201, 164, 92, .35);
      background: var(--white);
    }

    .entry-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 18px;
      box-shadow: 0 10px 24px rgba(11, 42, 74, .18);
      transition: background var(--transition), transform var(--transition);
    }

    .entry-card:hover .entry-icon {
      background: var(--accent-dark);
      transform: scale(1.04);
    }

    .entry-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .entry-card p {
      font-size: .88rem;
      color: var(--muted);
      line-height: 1.7;
    }

    /* ===== Steps ===== */
    .steps-section {
      padding: 84px 0;
      background: linear-gradient(rgba(7, 26, 48, .94), rgba(7, 26, 48, .92)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
      color: #fff;
    }

    .steps-section .section-title {
      color: #fff;
    }

    .steps-section .section-desc {
      color: rgba(255, 255, 255, .72);
    }

    .steps-section .section-tag {
      background: rgba(255, 255, 255, .12);
      color: #fff;
    }

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

    .step-item {
      background: rgba(255, 255, 255, .07);
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: var(--radius-lg);
      padding: 30px 26px;
      backdrop-filter: blur(8px);
      transition: background var(--transition), transform var(--transition);
    }

    .step-item:hover {
      background: rgba(255, 255, 255, .12);
      transform: translateY(-5px);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .82rem;
      font-weight: 800;
      letter-spacing: 2px;
      color: var(--accent);
      margin-bottom: 16px;
    }

    .step-num span {
      width: 30px;
      height: 30px;
      border-radius: 10px;
      background: rgba(201, 164, 92, .18);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: .85rem;
    }

    .step-item h3 {
      color: #fff;
      font-size: 1.02rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .step-item p {
      color: rgba(255, 255, 255, .72);
      font-size: .88rem;
      line-height: 1.7;
    }

    /* ===== Articles ===== */
    .article-section {
      padding: 84px 0;
    }

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

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

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

    .article-cover {
      aspect-ratio: 16 / 10;
      overflow: hidden;
    }

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

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

    .article-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .article-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: .8rem;
      color: var(--muted);
      margin-bottom: 12px;
    }

    .article-body h3 {
      font-size: 1.06rem;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.5;
      margin-bottom: 10px;
    }

    .article-body p {
      font-size: .88rem;
      color: var(--muted);
      line-height: 1.72;
      flex: 1;
    }

    .article-footer {
      margin-top: 18px;
    }

    .article-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .84rem;
      font-weight: 600;
      color: var(--accent-dark);
      transition: gap var(--transition), color var(--transition);
    }

    .article-link:hover {
      gap: 14px;
      color: var(--primary);
    }

    .badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 999px;
      font-size: .76rem;
      font-weight: 600;
      letter-spacing: .3px;
    }

    .badge-blue {
      background: rgba(17, 69, 110, .1);
      color: var(--primary-light);
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--white);
      padding: 84px 0;
    }

    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .faq-item[open] {
      border-color: rgba(201, 164, 92, .4);
      background: var(--white);
      box-shadow: var(--shadow-sm);
    }

    .faq-item summary {
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      font-weight: 600;
      font-size: .98rem;
      color: var(--primary);
      transition: color 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: .8rem;
      color: var(--accent);
      transition: transform var(--transition);
      flex-shrink: 0;
    }

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

    .faq-body {
      padding: 0 24px 22px;
      color: var(--muted);
      font-size: .92rem;
      line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 84px 0;
      background: var(--bg);
    }

    .cta-box {
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, rgba(7, 26, 48, .92), rgba(11, 69, 110, .86)), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
      border-radius: var(--radius-xl);
      padding: 64px;
      text-align: center;
      color: #fff;
      box-shadow: var(--shadow-lg);
    }

    .cta-box h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 12px;
      letter-spacing: .5px;
    }

    .cta-box p {
      color: rgba(255, 255, 255, .82);
      max-width: 600px;
      margin: 0 auto;
      font-size: .98rem;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 13px 30px;
      border-radius: 999px;
      font-weight: 600;
      font-size: .94rem;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(201, 164, 92, .35);
    }

    .btn-light {
      background: #fff;
      color: var(--primary);
    }

    .btn-light:hover {
      background: rgba(255, 255, 255, .9);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(0, 0, 0, .18);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #081a2c;
      color: #aab9c7;
      padding-top: 64px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
    }

    .footer-brand .brand {
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-brand p {
      color: #7f93a5;
      font-size: .9rem;
      line-height: 1.8;
      margin-top: 12px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: .95rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

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

    .footer-col a {
      color: #7f93a5;
      font-size: .88rem;
      transition: color var(--transition), padding-left var(--transition);
    }

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

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      padding: 20px 0;
      border-top: 1px solid rgba(255, 255, 255, .08);
      font-size: .84rem;
      color: #64798c;
    }

    .footer-bottom .domain-color {
      color: var(--accent);
      font-weight: 600;
    }

    /* ===== Focus ===== */
    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(201, 164, 92, .45);
      outline-offset: 4px;
      border-radius: 6px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .entry-grid {
        grid-template-columns: repeat(2, 1fr);
      }

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

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

      .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
    }

    @media (max-width: 820px) {
      .nav-toggle {
        display: flex;
      }

      .main-nav {
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        background: rgba(255, 255, 255, .98);
        border-bottom: 1px solid var(--border);
        padding: 12px 24px 18px;
        display: none;
        box-shadow: var(--shadow-md);
      }

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

      .nav-link {
        font-size: 1rem;
        padding: 12px 12px;
        border-radius: 10px;
      }

      .nav-link:hover,
      .nav-link.active {
        background: rgba(201, 164, 92, .1);
        color: var(--primary);
      }

      .nav-link::after {
        display: none;
      }

      .page-hero {
        padding: 88px 0 76px;
      }

      .page-hero h1 {
        font-size: 2.1rem;
      }

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

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

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

      .hero-tags {
        gap: 8px;
      }

      .hero-tag {
        font-size: .76rem;
        padding: 5px 12px;
      }

      .section-title {
        font-size: 1.55rem;
      }

      .intro-points {
        grid-template-columns: 1fr;
      }

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

      .stat-card {
        gap: 8px;
      }

      .stat-num {
        font-size: 1.2rem;
      }

      .page-hero h1 {
        font-size: 1.75rem;
      }

      .page-hero .hero-desc {
        font-size: .96rem;
      }

      .cta-box {
        padding: 40px 22px;
      }

      .cta-box h2 {
        font-size: 1.6rem;
      }

      .cta-actions {
        flex-direction: column;
        align-items: center;
      }

      .btn {
        width: 100%;
        justify-content: center;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .footer-brand {
        grid-column: auto;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
        padding: 18px 0;
      }
    }

/* roulang page: category2 */
/* ============ Design Tokens ============ */
:root {
  --primary: #0e1a35;
  --primary-2: #16264f;
  --accent: #c9a45c;
  --accent-dark: #ad8a46;
  --accent-soft: #f6efe1;
  --bg: #f6f8fb;
  --white: #ffffff;
  --text: #1a2340;
  --text-muted: #5f6c88;
  --border: #e3e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 16px rgba(14,26,53,.06);
  --shadow-md: 0 12px 36px rgba(14,26,53,.1);
  --shadow-lg: 0 24px 64px rgba(14,26,53,.16);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
}

/* ============ Reset & Base ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll {
  overflow: hidden;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease;
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input {
  font-family: inherit;
  border: none;
  outline: none;
}
:focus-visible {
  outline: 3px solid rgba(201,164,92,.45);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============ Layout ============ */
.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}
.section {
  padding: 88px 0;
}
.section-header {
  max-width: 680px;
  margin-bottom: 48px;
}
.section-header.center {
  margin-inline: auto;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid rgba(201,164,92,.35);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -.01em;
  margin-bottom: 12px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(201,164,92,.2);
  flex-shrink: 0;
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.01em;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  position: relative;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 999px;
  transition: color .25s ease, background .25s ease;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(14,26,53,.04);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(14,26,53,.06);
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(14,26,53,.04);
  align-items: center;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============ Hero ============ */
.page-hero {
  position: relative;
  padding: 110px 0 96px;
  background:
    linear-gradient(180deg, rgba(14,26,53,.86) 0%, rgba(14,26,53,.72) 50%, rgba(14,26,53,.88) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: var(--white);
}
.page-hero .container {
  position: relative;
  z-index: 2;
  max-width: 860px;
  text-align: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: #f4e6c8;
  background: rgba(201,164,92,.18);
  border: 1px solid rgba(201,164,92,.45);
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.page-hero h1 {
  font-size: 46px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.page-hero h1 span {
  color: var(--accent);
}
.page-hero .hero-desc {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255,255,255,.85);
  max-width: 640px;
  margin: 0 auto 36px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  transition: all .3s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 4px 18px rgba(201,164,92,.35);
}
.btn-primary:hover {
  background: #d6b26c;
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(201,164,92,.45);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,.55);
  color: var(--white);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--primary);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--primary-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(14,26,53,.22);
}

/* ============ Game Categories Section ============ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201,164,92,.4);
}
.cat-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  margin-bottom: 20px;
  border: 1px solid rgba(201,164,92,.25);
}
.cat-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.cat-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.cat-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .25s ease;
}
.cat-link:hover {
  gap: 10px;
}

/* ============ Process Section ============ */
.process-section {
  background: var(--primary);
  color: var(--white);
  border-radius: 0;
}
.section-title.light {
  color: var(--white);
}
.section-desc.light {
  color: rgba(255,255,255,.75);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 56px;
  position: relative;
}
.process-grid::before {
  content: "";
  position: absolute;
  top: 38px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, rgba(201,164,92,.5), rgba(255,255,255,.15));
  z-index: 1;
}
.process-item {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 10px;
}
.process-step {
  width: 76px;
  height: 76px;
  margin: 0 auto 20px;
  border-radius: 24px;
  background: var(--primary-2);
  border: 1px solid rgba(201,164,92,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  box-shadow: 0 0 0 6px rgba(201,164,92,.12);
}
.process-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.process-item p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.72);
}

/* ============ Rules Section ============ */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rule-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.rule-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.rule-card .rule-num {
  font-size: 34px;
  font-weight: 800;
  color: rgba(201,164,92,.35);
  line-height: 1;
  margin-bottom: 16px;
}
.rule-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
}
.rule-card ul li {
  position: relative;
  padding: 7px 0 7px 22px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}
.rule-card ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .7;
}

/* ============ News / Info Cards ============ */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.info-cover {
  position: relative;
  aspect-ratio: 16 / 8;
  overflow: hidden;
}
.info-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.info-card:hover .info-cover img {
  transform: scale(1.05);
}
.info-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(14,26,53,.85);
  backdrop-filter: blur(6px);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  letter-spacing: .04em;
}
.info-body {
  padding: 26px 28px 28px;
}
.info-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.info-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
}
.info-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.5;
}
.info-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ============ FAQ ============ */
.faq-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  background: var(--bg);
  transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item:hover {
  border-color: rgba(201,164,92,.45);
}
.faq-item[open] {
  border-color: rgba(201,164,92,.5);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--accent);
  transition: transform .3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item .faq-body {
  padding: 0 24px 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ============ CTA ============ */
.cta-section {
  padding: 80px 0;
  background:
    linear-gradient(120deg, rgba(14,26,53,.92) 0%, rgba(22,38,79,.85) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color: var(--white);
  text-align: center;
}
.cta-section .container {
  max-width: 640px;
}
.cta-section h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,.78);
  margin-bottom: 32px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ Footer ============ */
.site-footer {
  background: #0a142e;
  color: rgba(255,255,255,.7);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-text {
  color: var(--white);
}
.footer-brand p {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255,255,255,.55);
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  transition: color .25s ease;
}
.footer-col ul a:hover {
  color: var(--accent);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 28px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
.domain-color {
  color: var(--accent);
  font-weight: 600;
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .section {
    padding: 72px 0;
  }
  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .process-grid {
    gap: 24px;
  }
  .process-grid::before {
    display: none;
  }
  .rules-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 32px, var(--container));
  }
  .site-header .container {
    width: 100%;
    padding: 0 20px;
  }
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 6px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform .35s ease, opacity .35s ease, visibility .35s;
    z-index: 99;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-link {
    padding: 14px 20px;
    font-size: 16px;
    border-radius: 12px;
  }
  .nav-link.active::after {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .page-hero {
    padding: 80px 0 68px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .page-hero .hero-desc {
    font-size: 15px;
  }
  .section-title {
    font-size: 27px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 20px;
  }
  .rules-grid {
    grid-template-columns: 1fr;
  }
  .info-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta-actions .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, var(--container));
  }
  .section {
    padding: 60px 0;
  }
  .cat-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .brand-text {
    font-size: 18px;
  }
  .info-body {
    padding: 20px;
  }
}

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0b1f3a;
            --primary-light: #16365e;
            --accent: #c9a15e;
            --accent-dark: #a8853f;
            --accent-light: #e6ce9f;
            --bg-body: #f4f6fa;
            --bg-white: #ffffff;
            --bg-dark: #081526;
            --bg-gray: #eef1f6;
            --text-main: #1c2b3a;
            --text-weak: #6b7a8d;
            --text-light: #ffffff;
            --border: #e2e8f0;
            --border-dark: #263b52;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(12, 32, 58, 0.06);
            --shadow-md: 0 8px 24px rgba(12, 32, 58, 0.10);
            --shadow-lg: 0 16px 40px rgba(12, 32, 58, 0.14);
            --spacing-section: 100px;
            --spacing-card: 28px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container--narrow {
            max-width: 860px;
        }

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

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

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

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

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-head .section-subtitle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-dark);
            background: rgba(201, 161, 94, 0.12);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 18px;
        }

        .section-head .section-subtitle i {
            font-size: 12px;
        }

        .section-head h2 {
            font-size: 40px;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-head p {
            font-size: 17px;
            color: var(--text-weak);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn--primary {
            background: var(--accent);
            color: #12233a;
        }

        .btn--primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(201, 161, 94, 0.3);
        }

        .btn--outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn--outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn--dark {
            background: var(--primary);
            color: #fff;
        }

        .btn--dark:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== 标签 ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 161, 94, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 100px;
            letter-spacing: 0.3px;
        }

        .badge--dot::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            background: var(--bg-gray);
            color: var(--text-weak);
            transition: var(--transition);
        }

        .tag--gold {
            background: rgba(201, 161, 94, 0.15);
            color: var(--accent-dark);
        }

        .tag--blue {
            background: rgba(22, 54, 94, 0.08);
            color: var(--primary-light);
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.3px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .brand-dot {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .brand-dot::after {
            content: "乐";
            font-size: 16px;
            font-weight: 800;
            color: #12233a;
        }

        .brand-text {
            font-size: 19px;
        }

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

        .main-nav .nav-link {
            position: relative;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: 100px;
            transition: var(--transition);
            letter-spacing: 0.2px;
        }

        .main-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(11, 31, 58, 0.05);
        }

        .main-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 2px;
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

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

        .nav-cta a {
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 100px;
            border: 1.5px solid var(--border);
            color: var(--text-main);
            transition: var(--transition);
        }

        .nav-cta a:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            font-size: 18px;
            color: var(--primary);
            align-items: center;
            justify-content: center;
        }

        /* ========== Hero/Banner ========== */
        .page-hero {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, rgba(8, 21, 38, 0.92), rgba(11, 31, 58, 0.82)),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: var(--text-light);
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 161, 94, 0.2), transparent 70%);
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 100px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            font-size: 14px;
            letter-spacing: 1px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
        }

        .page-hero .hero-badge i {
            color: var(--accent);
        }

        .page-hero h1 {
            font-size: 54px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .page-hero h1 span {
            color: var(--accent);
        }

        .page-hero .hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            background: var(--bg-white);
        }

        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-weak);
        }

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

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

        .breadcrumb i {
            font-size: 12px;
            color: #b0b8c4;
        }

        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
        }

        /* ========== 卡片 ========== */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(201, 161, 94, 0.4);
        }

        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(201, 161, 94, 0.14), rgba(201, 161, 94, 0.06));
            color: var(--accent-dark);
        }

        .card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .card p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.7;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .card-link i {
            transition: transform 0.3s;
        }

        .card-link:hover {
            color: var(--accent-dark);
        }

        .card-link:hover i {
            transform: translateX(4px);
        }

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

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

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        /* ========== 数据/统计 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-block {
            padding: 36px 24px;
        }

        .stat-block .stat-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -1px;
        }

        .stat-block .stat-label {
            font-size: 15px;
            color: var(--text-weak);
            margin-top: 8px;
        }

        .stat-block .stat-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
        }

        /* ========== 时间线 ========== */
        .timeline {
            position: relative;
            padding: 20px 0;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, rgba(201, 161, 94, 0.4), rgba(22, 54, 94, 0.15));
        }

        .timeline-item {
            position: relative;
            padding: 0 0 36px 64px;
        }

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

        .timeline-item::before {
            content: "";
            position: absolute;
            left: 13px;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 4px solid var(--accent);
            box-shadow: 0 0 0 4px rgba(201, 161, 94, 0.15);
        }

        .timeline-item .tl-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .timeline-item h3 {
            font-size: 20px;
            margin-bottom: 8px;
        }

        .timeline-item p {
            color: var(--text-weak);
            font-size: 15px;
            max-width: 560px;
        }

        /* ========== 内容列表 / 资讯 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 24px 8px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .news-item:first-child {
            padding-top: 0;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 16px;
        }

        .news-item .news-date {
            flex-shrink: 0;
            width: 72px;
            text-align: center;
            padding: 10px 8px;
            border-radius: var(--radius-md);
            background: var(--bg-gray);
        }

        .news-item .news-date .day {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .news-item .news-date .month {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 1px;
        }

        .news-item .news-body {
            flex: 1;
        }

        .news-item .news-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
            transition: var(--transition);
        }

        .news-item:hover .news-body h3 {
            color: var(--accent-dark);
        }

        .news-item .news-body p {
            font-size: 14px;
            color: var(--text-weak);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .tags {
            display: flex;
            gap: 6px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        /* ========== 图文区块 ========== */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .split-block .split-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .split-block .split-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .split-block .split-image:hover img {
            transform: scale(1.04);
        }

        .split-block .split-content h2 {
            font-size: 34px;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .split-block .split-content p {
            color: var(--text-weak);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .split-block .feature-list {
            margin: 24px 0;
        }

        .split-block .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 8px 0;
            color: var(--text-main);
        }

        .split-block .feature-list li i {
            color: var(--accent);
            margin-top: 6px;
            font-size: 14px;
        }

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

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

        .faq-item:hover {
            border-color: rgba(201, 161, 94, 0.4);
        }

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

        .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: 14px;
            color: var(--accent-dark);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

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

        .faq-item .faq-answer {
            padding: 0 28px 24px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            padding-top: 18px;
            margin-left: 28px;
            margin-right: 28px;
            padding-left: 0;
            padding-right: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--bg-dark));
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 80px 0;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            left: 50%;
            top: -240px;
            transform: translateX(-50%);
            width: 760px;
            height: 480px;
            background: radial-gradient(circle, rgba(201, 161, 94, 0.18), transparent 70%);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 38px;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-section .hero-actions {
            justify-content: center;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 72px 0 32px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 32px;
        }

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

        .site-footer .brand-text {
            color: #fff;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
            font-weight: 600;
        }

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

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .domain-color {
            color: var(--accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 80px;
            }

            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .split-block {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

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

            .nav-inner {
                height: 68px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 24px;
                box-shadow: var(--shadow-md);
                border-radius: 0 0 20px 20px;
                gap: 4px;
                align-items: flex-start;
            }

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

            .main-nav .nav-link {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }

            .main-nav .nav-link.active::after {
                left: 16px;
                transform: none;
                width: 24px;
                bottom: 8px;
            }

            .nav-cta {
                display: none;
            }

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

            .page-hero {
                padding: 80px 0 64px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .page-hero .hero-desc {
                font-size: 16px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .section-head p {
                font-size: 15px;
            }

            .grid-3,
            .grid-2,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .stat-block .stat-number {
                font-size: 32px;
            }

            .split-block .split-image img {
                height: 280px;
            }

            .split-block .split-content h2 {
                font-size: 26px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .news-item .news-date {
                width: auto;
                text-align: left;
                display: inline-flex;
                align-items: center;
                gap: 8px;
                padding: 6px 12px;
            }

            .news-item .news-date .day {
                font-size: 18px;
            }

            .cta-section h2 {
                font-size: 28px;
            }

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

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

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

            .brand-text {
                font-size: 16px;
            }

            .brand-dot {
                width: 30px;
                height: 30px;
            }

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

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

            .section-head h2 {
                font-size: 24px;
            }

            .grid-3,
            .grid-4,
            .grid-2 {
                gap: 16px;
            }

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

            .timeline-item {
                padding-left: 48px;
            }

            .timeline::before {
                left: 16px;
            }

            .timeline-item::before {
                left: 9px;
                width: 14px;
                height: 14px;
            }

            .faq-item summary {
                padding: 18px 20px;
                font-size: 15px;
            }

            .footer-bottom {
                font-size: 12px;
            }
        }