/* roulang page: index */
:root{
  --ink:#0b1f30;
  --ink-2:#122c42;
  --ink-3:#1b3b55;
  --gold:#e4b25c;
  --gold-deep:#c9973f;
  --paper:#ffffff;
  --paper-2:#f3f7fb;
  --paper-3:#eaf1f8;
  --line:#e0e9f2;
  --text:#182a3a;
  --muted:#63788d;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 22px rgba(11,31,48,.07);
  --shadow-hover:0 16px 36px rgba(11,31,48,.14);
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.78;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(4,16,27,.42)}
.header-inner{display:flex;align-items:center;height:64px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 34px;
  background:linear-gradient(140deg,var(--gold),#a97d2f);
  display:grid;place-items:center;color:#0f2436;font-weight:800;font-size:15px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45);
}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  display:inline-block;padding:8px 14px;border-radius:9px;
  color:rgba(255,255,255,.76);font-size:15px;line-height:1.4;
  transition:color var(--ease),background var(--ease);
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.active{color:var(--gold);background:rgba(228,178,92,.13)}
.header-cta{
  display:inline-block;padding:9px 20px;border-radius:9px;
  background:var(--gold);color:#12293c;font-weight:700;font-size:14.5px;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
  box-shadow:0 4px 14px rgba(228,178,92,.22);
}
.header-cta:hover{background:#f0c273;transform:translateY(-1px);box-shadow:0 8px 20px rgba(228,178,92,.32)}
.header-cta:focus-visible{outline:2px solid #fff;outline-offset:3px}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:9px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ hero ============ */
.hero{
  position:relative;color:#e9f1f8;
  background:var(--ink) url('/assets/images/c8c8f02bd7485b8f.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,22,35,.95) 8%,rgba(7,22,35,.82) 52%,rgba(7,22,35,.58) 100%);
}
.hero-inner{position:relative;z-index:2;padding:74px 0 0}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.6px;
  color:var(--gold);background:rgba(228,178,92,.12);border:1px solid rgba(228,178,92,.34);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block}
.hero h1{
  font-size:42px;line-height:1.28;font-weight:800;color:#fff;
  margin:20px 0 14px;max-width:820px;letter-spacing:-.5px;
}
.hero-sub{font-size:17px;color:rgba(233,241,248,.86);max-width:760px}
.hero-desc{
  margin-top:16px;max-width:760px;font-size:15.5px;line-height:1.85;
  color:rgba(218,230,240,.78);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:9px;font-weight:700;font-size:15px;
  border:1px solid transparent;transition:all var(--ease);cursor:pointer;
}
.btn-gold{background:var(--gold);color:#12293c;box-shadow:0 8px 22px rgba(228,178,92,.26)}
.btn-gold:hover{background:#f0c273;transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,178,92,.34)}
.btn-ghost{background:transparent;color:#dfeaf4;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.metric-bar{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);
}
.metric{padding:24px 22px 30px;border-right:1px solid rgba(255,255,255,.1)}
.metric:last-child{border-right:none}
.metric-num{font-size:27px;font-weight:800;color:var(--gold);line-height:1.2}
.metric-num small{font-size:14px;font-weight:600;margin-left:3px;color:rgba(228,178,92,.85)}
.metric-label{font-size:13.5px;color:rgba(212,226,238,.72);margin-top:6px;letter-spacing:.3px}

.hero-pills{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 30px}
.pill{
  display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;
  color:rgba(224,236,246,.9);background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
}

/* ============ section base ============ */
.section{padding:78px 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--ink);color:#dbe7f2}
.section--line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;letter-spacing:1.4px;color:var(--gold-deep);font-weight:700;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;display:block}
.section--dark .eyebrow{color:var(--gold)}
.section-title{font-size:30px;line-height:1.36;font-weight:800;color:var(--ink);margin:12px 0 12px;letter-spacing:-.3px}
.section--dark .section-title{color:#fff}
.section-desc{font-size:15.5px;color:var(--muted);max-width:740px}
.section--dark .section-desc{color:rgba(206,222,236,.8)}
.section-head{margin-bottom:38px;max-width:780px}

/* ============ cards ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9dcee}
.card-icon{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:var(--paper-3);color:var(--ink-2);margin-bottom:15px;
}
.card-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17.5px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.5}
.card p{font-size:14.5px;color:var(--muted);line-height:1.78}
.card-num{font-size:13px;font-weight:800;color:var(--gold-deep);letter-spacing:1.5px;margin-bottom:10px}
.tag{
  display:inline-block;padding:4px 11px;border-radius:6px;font-size:12.5px;
  background:var(--paper-3);color:#33566f;border:1px solid #d8e5f1;font-weight:600;
}

/* ============ solution steps ============ */
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:28px 22px 30px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:none}
.step-idx{font-size:34px;font-weight:800;color:#d9e6f2;line-height:1;letter-spacing:-1px}
.step h3{font-size:16.5px;font-weight:700;margin:12px 0 8px;color:var(--ink)}
.step p{font-size:14px;color:var(--muted);line-height:1.75}

/* ============ band 图文 ============ */
.band{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.band-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--line)}
.band-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.band-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,48,0) 55%,rgba(11,31,48,.5))}
.band-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  padding:7px 14px;border-radius:8px;font-size:13px;font-weight:700;
  background:rgba(11,31,48,.82);color:var(--gold);border:1px solid rgba(228,178,92,.4);
  backdrop-filter:blur(4px);
}
.band-body p{font-size:15px;color:var(--muted);margin-top:14px;line-height:1.85}
.check-list{margin-top:20px;display:grid;gap:11px}
.check-list li{display:flex;gap:11px;font-size:14.5px;color:#33566f;align-items:flex-start;line-height:1.7}
.check-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;border-radius:2px;margin-top:9px;
  background:var(--gold);transform:rotate(45deg);
}

/* ============ 场景演示 ============ */
.demo{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start}
.demo-media{border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 20px 44px rgba(2,12,22,.45)}
.demo-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.demo-steps{display:grid;gap:16px}
.demo-item{
  display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;
  padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.demo-item:hover{background:rgba(255,255,255,.09);border-color:rgba(228,178,92,.45);transform:translateY(-2px)}
.demo-item span{
  width:52px;height:52px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#12293c;background:var(--gold);
}
.demo-item h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:5px}
.demo-item p{font-size:14px;color:rgba(203,220,235,.82);line-height:1.72}

/* ============ 分类入口 ============ */
.cat-card{
  position:relative;display:block;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#bed6ea}
.cat-thumb{position:relative;overflow:hidden}
.cat-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.cat-card:hover .cat-thumb img{transform:scale(1.05)}
.cat-body{padding:22px}
.cat-body h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px}
.cat-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.cat-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:14px;font-weight:700;color:var(--gold-deep);
}
.cat-card:hover .cat-more{color:#a97d2f}

/* ============ 评价 ============ */
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease)}
.voice:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.voice p{font-size:15px;color:#2c455c;line-height:1.8}
.voice-meta{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--paper-3);color:var(--ink-2);font-weight:800;font-size:14px}
.voice-name{font-size:14px;font-weight:700;color:var(--ink)}
.voice-role{font-size:12.5px;color:var(--muted)}

/* ============ 资讯 CMS ============ */
.news-wrap{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start}
.news-main{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:132px 1fr;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c9dcee}
.news-thumb{border-radius:10px;overflow:hidden;background:var(--paper-3)}
.news-thumb img{width:100%;height:100%;min-height:88px;object-fit:cover}
.news-item h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.55;margin-bottom:6px}
.news-item h3 a:hover{color:var(--gold-deep)}
.news-item p{font-size:13.8px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;font-size:12.5px;color:#7d90a3}
.news-meta em{font-style:normal;color:var(--gold-deep);font-weight:700}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.news-side h3{font-size:16px;font-weight:800;color:var(--ink);padding-bottom:13px;border-bottom:1px solid var(--line);margin-bottom:6px}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:none}
.side-list a{font-size:14.2px;color:#2c455c;line-height:1.65;display:block;transition:color var(--ease)}
.side-list a:hover{color:var(--gold-deep)}
.side-list span{display:block;font-size:12.3px;color:#8298ab;margin-top:4px}
.empty-note{padding:26px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);font-size:14.5px;background:#fff}

/* ============ 专题卡 ============ */
.topic{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9dcee}
.topic h3{font-size:16.5px;font-weight:700;color:var(--ink);margin:12px 0 8px}
.topic p{font-size:14px;color:var(--muted);line-height:1.72}

/* ============ 对比 ============ */
.compare{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:none}
.compare-row > div{padding:18px 22px;font-size:14.5px;line-height:1.72}
.compare-head{background:var(--ink-2);color:#fff}
.compare-head > div{font-weight:700;font-size:15px;color:#fff}
.compare-head > div:nth-child(3){color:var(--gold)}
.compare-row > div:first-child{font-weight:700;color:var(--ink);background:var(--paper-2)}
.compare-row > div:nth-child(2){color:var(--muted)}
.compare-row > div:nth-child(3){color:#25506d;background:#f7fbfe}
.compare-row:hover > div:nth-child(3){background:#eef7ff}

/* ============ 保障条 ============ */
.guard{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard-item{
  display:flex;gap:14px;align-items:flex-start;padding:20px;
  border-radius:var(--radius-sm);background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.guard-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.guard-icon{
  flex:0 0 38px;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(228,178,92,.16);color:var(--gold-deep);
}
.guard-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.guard-item h3{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:5px}
.guard-item p{font-size:13.6px;color:var(--muted);line-height:1.68}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;max-width:900px}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow);transition:border-color var(--ease),box-shadow var(--ease);
}
.faq details[open]{border-color:#c3d9ec;box-shadow:var(--shadow-hover)}
.faq summary{
  cursor:pointer;font-size:16px;font-weight:700;color:var(--ink);
  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--gold-deep);font-weight:700;transition:transform var(--ease)}
.faq details[open] summary::after{content:"–"}
.faq summary:focus-visible{outline:2px solid var(--gold);outline-offset:4px;border-radius:6px}
.faq p{margin-top:12px;font-size:14.8px;color:var(--muted);line-height:1.82}

/* ============ 表单 ============ */
.lead-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start}
.lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-hover)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.6px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:9px;border:1px solid var(--line);
  background:#fbfdff;font-size:14.5px;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);background:#fff;
  box-shadow:0 0 0 3px rgba(228,178,92,.2);
}
.form-tip{margin-top:12px;font-size:13.6px;color:var(--gold-deep);font-weight:600;min-height:20px}
.lead-points{display:grid;gap:16px;margin-top:26px}
.lead-points li{display:flex;gap:12px;font-size:14.8px;color:#cfdfec;line-height:1.75}
.lead-points li::before{content:"";flex:0 0 8px;width:8px;height:8px;background:var(--gold);border-radius:2px;transform:rotate(45deg);margin-top:9px}

/* ============ footer ============ */
.site-footer{background:#08192a;color:#b9cddd;border-top:1px solid rgba(255,255,255,.1);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.15fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-about p{font-size:13.8px;color:#8ba7bd;line-height:1.8;max-width:300px}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.8px;color:#9db8cd;transition:color var(--ease),padding-left var(--ease)}
.footer-col a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7893a8;
}
.footer-bottom span{color:#8fa9be}

/* ============ responsive ============ */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .step-list{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:none}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .band,.demo,.lead-wrap{grid-template-columns:1fr;gap:32px}
  .news-wrap{grid-template-columns:1fr}
  .guard{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero h1{font-size:34px}
  .section-title{font-size:26px}
  .metric-bar{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:none}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1)}
}
@media (max-width:860px){
  .nav{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--ink-2);padding:12px 16px 18px;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 18px 32px rgba(3,14,24,.45);
    display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:12px 14px;font-size:15.5px}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:10px}
}
@media (max-width:768px){
  .hero-inner{padding:52px 0 0}
  .hero h1{font-size:28px;line-height:1.35}
  .hero-sub{font-size:15.5px}
  .section{padding:56px 0}
  .section-title{font-size:23px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr 1fr 1fr}
  .compare-row > div{padding:14px 12px;font-size:13.2px}
  .news-item{grid-template-columns:104px 1fr;gap:14px}
  .guard{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand{font-size:15px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px}
  .hero h1{font-size:24px}
  .metric-bar{grid-template-columns:1fr}
  .metric{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:18px 4px}
  .metric:last-child{border-bottom:none}
  .grid-4{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .step{border-right:none;border-bottom:1px solid var(--line);padding:22px 4px}
  .step:last-child{border-bottom:none}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .news-item{grid-template-columns:1fr}
  .news-thumb img{min-height:150px}
  .compare-row{grid-template-columns:1fr;border-bottom:2px solid var(--line)}
  .compare-row > div:nth-child(2){background:#fafcfe}
  .compare-head{display:none}
}

/* roulang page: article */
:root{
 --ink:#0b1f30;
 --ink-2:#122c42;
 --ink-3:#1b3b55;
 --gold:#e4b25c;
 --gold-deep:#c9973f;
 --paper:#ffffff;
 --paper-2:#f3f7fb;
 --paper-3:#eaf1f8;
 --line:#e0e9f2;
 --text:#182a3a;
 --muted:#63788d;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 6px 22px rgba(11,31,48,.07);
 --shadow-hover:0 16px 36px rgba(11,31,48,.14);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--paper);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ header ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.08);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(4,16,27,.42)}
.header-inner{display:flex;align-items:center;height:64px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.brand-mark{
 width:34px;height:34px;border-radius:9px;flex:0 0 34px;
 background:linear-gradient(140deg,var(--gold),#a97d2f);
 display:grid;place-items:center;color:#0f2436;font-weight:800;font-size:15px;
 box-shadow:inset 0 1px 0 rgba(255,255,255,.45);
}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
 display:inline-block;padding:8px 14px;border-radius:9px;
 color:rgba(255,255,255,.76);font-size:15px;line-height:1.4;
 transition:color var(--ease),background var(--ease);
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.active{color:var(--gold);background:rgba(228,178,92,.13)}
.header-cta{
 display:inline-block;padding:9px 20px;border-radius:9px;
 background:var(--gold);color:#12293c;font-weight:700;font-size:14.5px;
 transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
 box-shadow:0 4px 14px rgba(228,178,92,.22);
}
.header-cta:hover{background:#f0c273;transform:translateY(-1px);box-shadow:0 8px 20px rgba(228,178,92,.32)}
.header-cta:focus-visible{outline:2px solid #fff;outline-offset:3px}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:9px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.skip-link{
 position:absolute;left:-9999px;top:0;z-index:200;
 background:var(--gold);color:#12293c;padding:10px 18px;border-radius:0 0 10px 0;font-weight:700;
}
.skip-link:focus{left:0}

/* ============ buttons ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:9px;font-weight:700;font-size:15px;
 border:1px solid transparent;transition:all var(--ease);cursor:pointer;
}
.btn-gold{background:var(--gold);color:#12293c;box-shadow:0 8px 22px rgba(228,178,92,.26)}
.btn-gold:hover{background:#f0c273;transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,178,92,.34)}
.btn-ghost{background:transparent;color:#dfeaf4;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ============ article hero ============ */
.article-hero{
 position:relative;overflow:hidden;color:#e9f1f8;
 background:var(--ink) url('/assets/images/f8202b6795cc13e2.webp') center/cover no-repeat;
 padding:44px 0 56px;
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(6,20,32,.96) 0%,rgba(6,20,32,.88) 46%,rgba(6,20,32,.62) 100%);
}
.article-hero-inner{position:relative;z-index:2;max-width:900px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(214,228,240,.66);margin-bottom:20px}
.crumb a{transition:color var(--ease)}
.crumb a:hover{color:var(--gold)}
.crumb .sep{opacity:.45}
.article-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px}
.kicker-tag{
 display:inline-flex;align-items:center;padding:5px 15px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.6px;color:#12293c;background:var(--gold);
}
.kicker-date{font-size:13.5px;color:rgba(214,228,240,.72)}
.article-hero h1{
 font-size:38px;line-height:1.34;font-weight:800;color:#fff;
 letter-spacing:-.5px;margin-bottom:18px;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{
 display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;
 color:rgba(224,236,246,.9);background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
}

/* ============ section base ============ */
.section{padding:74px 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--ink);color:#dbe7f2}
.section--line{border-top:1px solid var(--line)}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;letter-spacing:1.4px;color:var(--gold-deep);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;display:block}
.section--dark .eyebrow{color:var(--gold)}
.section-title{font-size:29px;line-height:1.38;font-weight:800;color:var(--ink);margin:12px 0 12px;letter-spacing:-.3px}
.section--dark .section-title{color:#fff}
.section-desc{font-size:15.5px;color:var(--muted);max-width:760px}
.section--dark .section-desc{color:rgba(206,222,236,.8)}
.section-head{margin-bottom:36px;max-width:780px}

/* ============ article body ============ */
.article-wrap{max-width:880px;margin:0 auto}
.prose{font-size:16px;line-height:1.85;color:var(--text)}
.prose > *:first-child{margin-top:0}
.prose h2{
 font-size:24px;line-height:1.45;font-weight:800;color:var(--ink);
 margin:40px 0 14px;padding-left:14px;border-left:4px solid var(--gold);
}
.prose h3{font-size:19px;line-height:1.5;font-weight:700;color:var(--ink-2);margin:30px 0 12px}
.prose h4{font-size:17px;font-weight:700;color:var(--ink-2);margin:24px 0 10px}
.prose p{margin:0 0 18px}
.prose a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--ink)}
.prose strong{color:var(--ink);font-weight:700}
.prose ul,.prose ol{margin:0 0 20px;padding-left:24px;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:9px;line-height:1.8}
.prose blockquote{
 margin:26px 0;padding:20px 24px;border-radius:var(--radius-sm);
 background:var(--paper-2);border-left:4px solid var(--gold);
 color:var(--ink-2);font-size:15.5px;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{
 border-radius:var(--radius);box-shadow:var(--shadow);margin:24px 0;
 width:100%;object-fit:cover;
}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:var(--radius-sm);overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose th{background:var(--paper-2);color:var(--ink);font-weight:700}
.prose hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.empty-state{
 text-align:center;padding:60px 24px;border-radius:var(--radius);
 background:var(--paper-2);border:1px solid var(--line);
}
.empty-state h2{font-size:24px;font-weight:800;color:var(--ink);margin-bottom:22px}

/* ============ cards ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfe0ef}
.card-num{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:rgba(228,178,92,.14);color:var(--gold-deep);
 font-weight:800;font-size:15px;margin-bottom:16px;
 border:1px solid rgba(228,178,92,.32);
}
.card h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);margin-bottom:10px}
.card p{font-size:14.5px;line-height:1.78;color:var(--muted)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:18px}
.tag{
 display:inline-block;padding:4px 11px;border-radius:999px;font-size:12.5px;
 color:var(--ink-3);background:var(--paper-3);border:1px solid var(--line);
}
.tag--gold{color:var(--gold-deep);background:rgba(228,178,92,.12);border-color:rgba(228,178,92,.3)}

/* ============ pull quote ============ */
.quote-band{
 background:var(--ink-2) url('/assets/images/8ea9b1fd1cb70779.webp') center/cover no-repeat;
 position:relative;padding:64px 0;color:#e3eef7;overflow:hidden;
}
.quote-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(9,27,43,.95),rgba(9,27,43,.8))}
.quote-inner{position:relative;z-index:2;max-width:860px}
.quote-mark{font-size:52px;line-height:1;color:rgba(228,178,92,.6);font-family:Georgia,serif;margin-bottom:6px}
.quote-text{font-size:23px;line-height:1.6;font-weight:700;color:#fff;letter-spacing:-.2px}
.quote-from{margin-top:18px;font-size:14px;color:rgba(206,222,236,.72)}

/* ============ read list ============ */
.read-list{display:flex;flex-direction:column;gap:12px;max-width:880px;margin:0 auto}
.read-item{
 display:flex;align-items:center;gap:16px;padding:18px 22px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
 box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.read-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:#cfe0ef}
.read-index{font-size:13px;font-weight:800;color:var(--gold-deep);letter-spacing:1px;flex:0 0 auto}
.read-title{flex:1;font-size:15.5px;line-height:1.6;color:var(--ink);font-weight:600}
.read-arrow{color:var(--muted);font-size:15px;transition:color var(--ease),transform var(--ease)}
.read-item:hover .read-arrow{color:var(--gold-deep);transform:translateX(3px)}
.list-foot{margin-top:26px;text-align:center}

/* ============ channel grid ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
 display:flex;flex-direction:column;gap:10px;
 padding:26px 24px;border-radius:var(--radius);
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
 transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.channel-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(228,178,92,.5)}
.channel-card h3{font-size:18px;font-weight:700;color:#fff}
.channel-card p{font-size:14px;line-height:1.75;color:rgba(206,222,236,.78)}
.channel-link{font-size:14px;font-weight:700;color:var(--gold);display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px}

/* ============ faq ============ */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:22px 24px;box-shadow:var(--shadow);
 transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#cfe0ef;box-shadow:var(--shadow-hover)}
.faq-item h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.faq-item p{font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ============ cta band ============ */
.cta-band{
 background:var(--ink) url('/assets/images/55aaf38834c766d0.webp') center/cover no-repeat;
 position:relative;padding:64px 0;color:#e6f0f8;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,22,35,.96),rgba(7,22,35,.78))}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-inner h2{font-size:27px;font-weight:800;color:#fff;line-height:1.42}
.cta-inner p{font-size:15px;color:rgba(206,222,236,.82);margin-top:8px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:rgba(206,222,236,.78);padding:58px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16.5px;margin-bottom:14px}
.footer-about p{font-size:14px;line-height:1.85;max-width:340px;color:rgba(198,215,230,.76)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(198,215,230,.76);transition:color var(--ease),padding-left var(--ease)}
.footer-col a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
 padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:rgba(178,199,218,.62);
}

/* ============ responsive ============ */
@media (max-width:1024px){
 .article-hero h1{font-size:32px}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .channel-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px}
 .section{padding:60px 0}
}
@media (max-width:860px){
 .nav{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:var(--ink);padding:10px 16px 18px;display:none;
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 30px rgba(4,16,27,.4);
 }
 .nav.is-open{display:flex}
 .nav a{padding:12px 14px;font-size:15.5px}
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .article-hero{padding:34px 0 44px}
 .article-hero h1{font-size:27px}
 .cta-inner h2{font-size:23px}
 .quote-text{font-size:19px}
}
@media (max-width:768px){
 .grid-3,.grid-2,.channel-grid{grid-template-columns:1fr}
 .section{padding:52px 0}
 .section-title{font-size:24px}
 .prose{font-size:15.5px}
 .prose h2{font-size:21px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-about{grid-column:1 / -1}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand{font-size:15.5px}
 .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:13.5px}
 .article-hero h1{font-size:23px;letter-spacing:0}
 .btn{padding:11px 20px;font-size:14.5px;width:100%}
 .cta-actions{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .read-item{padding:15px 16px;gap:12px}
 .read-title{font-size:14.5px}
 .faq-item{padding:18px}
}

/* roulang page: category1 */
:root{
  --ink:#0b1f30;
  --ink-2:#122c42;
  --ink-3:#1b3b55;
  --gold:#e4b25c;
  --gold-deep:#c9973f;
  --paper:#ffffff;
  --paper-2:#f3f7fb;
  --paper-3:#eaf1f8;
  --line:#e0e9f2;
  --text:#182a3a;
  --muted:#63788d;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 22px rgba(11,31,48,.07);
  --shadow-hover:0 16px 36px rgba(11,31,48,.14);
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.78;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(4,16,27,.42)}
.header-inner{display:flex;align-items:center;height:64px;gap:18px;position:relative}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 34px;
  background:linear-gradient(140deg,var(--gold),#a97d2f);
  display:grid;place-items:center;color:#0f2436;font-weight:800;font-size:15px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45);
}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  display:inline-block;padding:8px 14px;border-radius:9px;
  color:rgba(255,255,255,.76);font-size:15px;line-height:1.4;
  transition:color var(--ease),background var(--ease);
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.active{color:var(--gold);background:rgba(228,178,92,.13)}
.header-cta{
  display:inline-block;padding:9px 20px;border-radius:9px;
  background:var(--gold);color:#12293c;font-weight:700;font-size:14.5px;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
  box-shadow:0 4px 14px rgba(228,178,92,.22);
}
.header-cta:hover{background:#f0c273;transform:translateY(-1px);box-shadow:0 8px 20px rgba(228,178,92,.32)}
.header-cta:focus-visible{outline:2px solid #fff;outline-offset:3px}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:9px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ============ hero ============ */
.hero{
  position:relative;color:#e9f1f8;
  background:var(--ink) url('/assets/images/c8c8f02bd7485b8f.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,22,35,.96) 6%,rgba(7,22,35,.86) 50%,rgba(7,22,35,.6) 100%);
}
.hero-inner{position:relative;z-index:2;padding:60px 0 0}
.hero-split{display:grid;grid-template-columns:minmax(0,1.14fr) minmax(0,.8fr);gap:48px;align-items:center}
.hero-copy{min-width:0}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.6px;
  color:var(--gold);background:rgba(228,178,92,.12);border:1px solid rgba(228,178,92,.34);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block}
.hero h1{
  font-size:40px;line-height:1.3;font-weight:800;color:#fff;
  margin:20px 0 14px;letter-spacing:-.4px;
}
.hero-sub{font-size:17px;color:rgba(233,241,248,.88);max-width:720px}
.hero-desc{margin-top:14px;max-width:720px;font-size:15.5px;line-height:1.85;color:rgba(216,229,240,.78)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-pills{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;padding:24px 0 30px}
.pill{
  display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;
  color:rgba(224,236,246,.9);background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
}

/* 竖屏主视觉 */
.shot-wrap{display:flex;justify-content:center;position:relative}
.shot-frame{
  position:relative;width:100%;max-width:292px;aspect-ratio:9/16;
  border-radius:18px;overflow:hidden;background:#0d2233;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 26px 60px rgba(3,14,24,.58);
}
.shot-frame img{width:100%;height:100%;object-fit:cover;opacity:.94}
.shot-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,22,35,.06) 0%,rgba(7,22,35,.2) 46%,rgba(7,22,35,.9) 100%);
}
.shot-badge{
  position:absolute;top:14px;left:14px;z-index:3;
  padding:5px 12px;border-radius:999px;background:rgba(228,178,92,.94);
  color:#12293c;font-size:12px;font-weight:700;letter-spacing:.4px;
}
.shot-stat{
  position:absolute;top:58px;right:14px;z-index:3;text-align:right;
  background:rgba(9,25,39,.74);border:1px solid rgba(255,255,255,.14);
  border-radius:10px;padding:9px 13px;backdrop-filter:blur(4px);
}
.shot-stat b{display:block;color:var(--gold);font-size:16px;line-height:1.3}
.shot-stat em{font-style:normal;font-size:11.5px;color:rgba(214,229,241,.75)}
.shot-caption{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;color:#eef5fb}
.shot-caption strong{display:block;font-size:15px;letter-spacing:.3px;margin-bottom:4px}
.shot-caption span{font-size:12.5px;line-height:1.6;color:rgba(214,229,241,.8)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:9px;font-weight:700;font-size:15px;
  border:1px solid transparent;transition:all var(--ease);cursor:pointer;
}
.btn-gold{background:var(--gold);color:#12293c;box-shadow:0 8px 22px rgba(228,178,92,.26)}
.btn-gold:hover{background:#f0c273;transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,178,92,.34)}
.btn-ghost{background:transparent;color:#dfeaf4;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ============ section ============ */
.section{padding:74px 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--ink);color:#dbe7f2}
.section--line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;letter-spacing:1.6px;color:var(--gold-deep);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;display:block}
.section--dark .eyebrow{color:var(--gold)}
.section-title{font-size:29px;line-height:1.4;font-weight:800;color:var(--ink);margin:12px 0 12px;letter-spacing:-.2px}
.section--dark .section-title{color:#fff}
.section-desc{font-size:15.5px;color:var(--muted);max-width:760px}
.section--dark .section-desc{color:rgba(206,222,236,.82)}
.section-head{margin-bottom:36px;max-width:790px}

/* ============ cards ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c9dbea}
.card h3{font-size:17.5px;line-height:1.5;font-weight:800;color:var(--ink);margin-bottom:9px}
.card p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.model-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;margin-bottom:16px;
  background:rgba(228,178,92,.14);color:var(--gold-deep);
  font-weight:800;font-size:15px;letter-spacing:.5px;
}
.card--media{padding:0;overflow:hidden}
.card-media{position:relative;overflow:hidden;background:var(--paper-3)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.card--media:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{margin-bottom:8px}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;
  color:var(--gold-deep);background:rgba(228,178,92,.13);
  border:1px solid rgba(201,151,63,.24);font-weight:600;
}
.link-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:700;color:var(--gold-deep);
  transition:color var(--ease),gap var(--ease);
}
.link-more:hover{color:#a97d2f;gap:10px}

/* ============ compare table ============ */
.table-scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;border:1px solid var(--line)}
.compare-table{width:100%;min-width:660px;border-collapse:collapse;font-size:14.5px}
.compare-table thead th{
  background:var(--ink);color:#fff;text-align:left;
  padding:15px 18px;font-weight:600;font-size:14px;letter-spacing:.4px;white-space:nowrap;
}
.compare-table tbody td{
  padding:15px 18px;border-top:1px solid var(--line);color:var(--text);vertical-align:top;
}
.compare-table tbody tr:nth-child(even){background:var(--paper-2)}
.compare-table tbody tr:hover{background:var(--paper-3)}
.compare-table tbody td:first-child{font-weight:700;color:var(--ink)}

/* ============ steps ============ */
.step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step-index{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:1.4px;
  color:var(--gold-deep);margin-bottom:10px;
}
.step h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ============ pain list ============ */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pain-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pain-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#c9dbea}
.pain-dot{
  flex:0 0 10px;width:10px;height:10px;border-radius:50%;
  background:var(--gold);margin-top:11px;
}
.pain-item h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:6px}
.pain-item p{font-size:14.5px;color:var(--muted);line-height:1.78}

/* ============ posts ============ */
.post-card{padding:0;overflow:hidden}
.post-media{position:relative;overflow:hidden;background:var(--paper-3)}
.post-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-media img{transform:scale(1.04)}
.post-type{
  position:absolute;left:12px;top:12px;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(11,31,48,.82);color:var(--gold);border:1px solid rgba(228,178,92,.3);
}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:16.5px;line-height:1.55;font-weight:800;color:var(--ink);margin-bottom:8px}
.post-body h3 a{transition:color var(--ease)}
.post-body h3 a:hover{color:var(--gold-deep)}
.post-body p{font-size:14px;color:var(--muted);line-height:1.76}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:auto;padding-top:16px;font-size:12.5px;color:#8a9dae;
}
.post-meta span{display:inline-flex;align-items:center;gap:5px}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#c3d1de;display:inline-block}
.empty-note{
  background:#fff;border:1px dashed #c9dbea;border-radius:var(--radius);
  padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}

/* ============ voices ============ */
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.voice:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.voice mark{
  display:block;width:26px;height:3px;border-radius:2px;background:var(--gold);
  margin-bottom:14px;
}
.voice p{font-size:15px;line-height:1.85;color:#2c4356}
.voice footer{margin-top:16px;font-size:13px;color:#8a9dae;font-weight:600}

/* ============ faq ============ */
.faq-list{max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#c9dbea;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:700;font-size:15.5px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--gold-deep);font-size:21px;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{background:var(--paper-2)}
.faq-answer{padding:4px 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.85}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}

/* ============ cta band ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;
  background:var(--ink) url('/assets/images/f8202b6795cc13e2.webp') center/cover no-repeat;
  box-shadow:0 24px 54px rgba(11,31,48,.24);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(7,22,35,.95) 0%,rgba(7,22,35,.82) 56%,rgba(7,22,35,.55) 100%);
}
.cta-inner{position:relative;z-index:2;padding:46px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;line-height:1.4;font-weight:800;color:#fff;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(214,229,241,.82);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:rgba(219,231,242,.82);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16.5px;margin-bottom:14px}
.footer-about p{font-size:14px;line-height:1.85;color:rgba(200,217,231,.72);max-width:330px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.5px;font-weight:700}
.footer-col ul li{margin-bottom:9px}
.footer-col a{font-size:14px;color:rgba(200,217,231,.76);transition:color var(--ease)}
.footer-col a:hover{color:var(--gold)}
.footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(180,200,216,.62);
}

/* ============ responsive ============ */
@media (max-width:1024px){
  .hero-split{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .step-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .cta-inner{padding:40px 32px}
}
@media (max-width:900px){
  .nav{
    position:absolute;top:64px;left:-20px;right:-20px;
    background:var(--ink-2);flex-direction:column;align-items:stretch;
    padding:10px 20px 16px;gap:2px;display:none;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 20px 40px rgba(4,16,27,.42);
  }
  .nav.is-open{display:flex}
  .nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:flex}
  .header-cta{display:none}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .hero-inner{padding-top:44px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .section-title{font-size:23px}
  .grid-3,.grid-2,.grid-4,.pain-grid{grid-template-columns:1fr}
  .shot-frame{max-width:250px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-inner{padding:34px 24px}
  .cta-inner h2{font-size:22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand{font-size:15px}
  .hero h1{font-size:25px;line-height:1.34}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .pain-item{padding:18px}
  .card{padding:20px 18px}
}

/* roulang page: category2 */
:root{
 --ink:#0b1f30;
 --ink-2:#122c42;
 --ink-3:#1b3b55;
 --gold:#e4b25c;
 --gold-deep:#c9973f;
 --paper:#ffffff;
 --paper-2:#f3f7fb;
 --paper-3:#eaf1f8;
 --line:#e0e9f2;
 --text:#182a3a;
 --muted:#63788d;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 6px 22px rgba(11,31,48,.07);
 --shadow-hover:0 16px 36px rgba(11,31,48,.14);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--paper);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ header ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.08);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(4,16,27,.42)}
.header-inner{display:flex;align-items:center;height:64px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.brand-mark{
 width:34px;height:34px;border-radius:9px;flex:0 0 34px;
 background:linear-gradient(140deg,var(--gold),#a97d2f);
 display:grid;place-items:center;color:#0f2436;font-weight:800;font-size:15px;
 box-shadow:inset 0 1px 0 rgba(255,255,255,.45);
}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
 display:inline-block;padding:8px 14px;border-radius:9px;
 color:rgba(255,255,255,.76);font-size:15px;line-height:1.4;
 transition:color var(--ease),background var(--ease);
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.active{color:var(--gold);background:rgba(228,178,92,.13)}
.header-cta{
 display:inline-block;padding:9px 20px;border-radius:9px;
 background:var(--gold);color:#12293c;font-weight:700;font-size:14.5px;
 transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
 box-shadow:0 4px 14px rgba(228,178,92,.22);
}
.header-cta:hover{background:#f0c273;transform:translateY(-1px);box-shadow:0 8px 20px rgba(228,178,92,.32)}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:9px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ buttons & tags ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:9px;font-weight:700;font-size:15px;
 border:1px solid transparent;transition:all var(--ease);cursor:pointer;
}
.btn-gold{background:var(--gold);color:#12293c;box-shadow:0 8px 22px rgba(228,178,92,.26)}
.btn-gold:hover{background:#f0c273;transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,178,92,.34)}
.btn-ghost{background:transparent;color:#dfeaf4;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.pill{
 display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;
 color:rgba(224,236,246,.9);background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
}
.tag{
 display:inline-block;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
 color:var(--gold-deep);background:rgba(228,178,92,.14);border:1px solid rgba(228,178,92,.3);
}
.tag--ink{color:#2b4b66;background:var(--paper-3);border-color:#d7e4ef}

/* ============ hero ============ */
.cat-hero{
 position:relative;color:#e9f1f8;overflow:hidden;
 background:var(--ink) url('/assets/images/f8202b6795cc13e2.webp') center/cover no-repeat;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(104deg,rgba(7,22,35,.96) 0%,rgba(7,22,35,.86) 46%,rgba(7,22,35,.6) 100%);
}
.cat-hero__inner{
 position:relative;z-index:2;display:grid;grid-template-columns:1.28fr .82fr;
 gap:44px;align-items:center;padding:62px 20px 58px;
}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.6px;
 color:var(--gold);background:rgba(228,178,92,.12);border:1px solid rgba(228,178,92,.34);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block}
.cat-hero h1{
 font-size:38px;line-height:1.3;font-weight:800;color:#fff;
 margin:18px 0 14px;letter-spacing:-.5px;
}
.cat-hero__lead{font-size:16px;color:rgba(226,238,248,.86);max-width:640px;line-height:1.85}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cat-panel{
 background:rgba(10,28,44,.8);border:1px solid rgba(255,255,255,.14);
 border-radius:16px;padding:22px;box-shadow:0 18px 40px rgba(3,12,21,.35);
}
.cat-panel h2{font-size:15px;color:var(--gold);letter-spacing:.6px;font-weight:700}
.cat-panel__note{font-size:13px;color:rgba(206,222,236,.72);margin-top:6px;margin-bottom:14px}
.cat-panel__row{padding:12px 0;border-top:1px dashed rgba(255,255,255,.14)}
.cat-panel__row-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-size:14px}
.cat-panel__row-top span{color:rgba(216,230,242,.82)}
.cat-panel__row-top b{color:#fff;font-weight:700}
.cat-panel__bar{height:6px;border-radius:99px;background:rgba(255,255,255,.14);overflow:hidden;margin-top:8px}
.cat-panel__bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold),#f4d79f)}

/* ============ section base ============ */
.section{padding:76px 0}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--ink);color:#dbe7f2}
.section--line{border-top:1px solid var(--line)}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;letter-spacing:1.4px;color:var(--gold-deep);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;display:block}
.section--dark .eyebrow{color:var(--gold)}
.section-title{font-size:30px;line-height:1.36;font-weight:800;color:var(--ink);margin:12px 0 12px;letter-spacing:-.3px}
.section--dark .section-title{color:#fff}
.section-desc{font-size:15.5px;color:var(--muted);max-width:760px}
.section--dark .section-desc{color:rgba(206,222,236,.82)}
.section-head{margin-bottom:36px;max-width:800px}

/* ============ grids & cards ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9dcec}
.card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.45}
.card p{font-size:14.6px;color:#42586c;line-height:1.78}
.card__tag{margin-bottom:12px}
.card__foot{margin-top:auto;padding-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.card__index{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 background:var(--paper-3);color:var(--ink-2);font-weight:800;font-size:13px;margin-bottom:14px;
}

/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.stat{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.stat strong{display:block;font-size:28px;font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:-.5px}
.stat strong em{font-style:normal;font-size:15px;color:var(--gold-deep);margin-left:4px;font-weight:700}
.stat span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px}

/* tier cards with image */
.tier-card{overflow:hidden;padding:0}
.tier-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-3)}
.tier-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.tier-card:hover .tier-card__media img{transform:scale(1.05)}
.tier-card__body{padding:22px}
.tier-card__body h3{font-size:18px;font-weight:800;color:var(--ink);margin:12px 0 8px}
.tier-card__body p{font-size:14.5px;color:#42586c}
.tier-card__meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.8px;color:var(--muted)}

/* split 图文 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}
.split + .split{margin-top:52px}
.split__media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.split__body h3{font-size:23px;font-weight:800;color:var(--ink);margin:12px 0 12px;line-height:1.4}
.split__body p{font-size:15px;color:#42586c;line-height:1.82}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:22px;font-size:14.6px;color:#33475a}
.check-list li::before{
 content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
 background:var(--gold);transform:rotate(45deg);
}
.split--reverse .split__media{order:2}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
 position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:26px 22px 22px;
 transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(228,178,92,.45)}
.step::before{
 counter-increment:step;content:"0" counter(step);
 display:block;font-size:13px;font-weight:800;color:var(--gold);letter-spacing:1.4px;margin-bottom:10px;
}
.step h3{font-size:17.5px;font-weight:800;color:#fff;margin-bottom:8px}
.step p{font-size:14.3px;color:rgba(206,222,236,.84);line-height:1.78}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare__col{border-radius:var(--radius);padding:26px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.compare__col--bad{background:#fdf7f5;border-color:#f0ddd6}
.compare__col--good{background:#f7fbf8;border-color:#d9ecdf}
.compare__col h3{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:800;color:var(--ink);margin-bottom:16px}
.compare__col h3 i{width:10px;height:10px;border-radius:3px;display:block}
.compare__col--bad h3 i{background:#dd9d8b}
.compare__col--good h3 i{background:#7cb991}
.compare__col li{position:relative;padding-left:20px;margin-bottom:13px;font-size:14.7px;color:#33475a;line-height:1.75}
.compare__col li:last-child{margin-bottom:0}
.compare__col li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:#c9d6e2}
.compare__col--bad li::before{background:#e6b3a4}
.compare__col--good li::before{background:#8ac59d}

/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9dcec}
.news-card h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.5;margin-bottom:10px}
.news-card p{font-size:14.3px;color:#42586c;line-height:1.75}
.news-meta{
 margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
 display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
 font-size:12.8px;color:var(--muted);
}
.news-empty{
 padding:34px 22px;border:1px dashed #c9dcec;border-radius:var(--radius);
 background:var(--paper-2);color:var(--muted);font-size:14.5px;text-align:center;
}

/* faq */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:18px 22px;box-shadow:var(--shadow);transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#c9dcec;box-shadow:var(--shadow-hover)}
.faq-item summary{
 cursor:pointer;font-weight:700;color:var(--ink);font-size:16px;line-height:1.6;
 list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--gold-deep);font-size:20px;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin-top:12px;color:#3d5166;font-size:14.8px;line-height:1.82}

/* cta band */
.cta-band{
 position:relative;overflow:hidden;color:#e9f2fa;
 background:var(--ink-2) url('/assets/images/1fdf49b9e7f94bb6.webp') center/cover no-repeat;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(8,24,38,.95) 0%,rgba(8,24,38,.78) 58%,rgba(8,24,38,.62) 100%)}
.cta-band__inner{position:relative;z-index:2;padding:64px 0;display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:center}
.cta-band h2{font-size:29px;line-height:1.38;font-weight:800;color:#fff;margin:12px 0 14px;letter-spacing:-.3px}
.cta-band p{font-size:15.4px;color:rgba(214,228,240,.86);max-width:660px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-aside{
 background:rgba(10,28,44,.72);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius);padding:22px;
}
.cta-aside h3{font-size:15px;color:var(--gold);font-weight:700;margin-bottom:12px;letter-spacing:.4px}
.cta-aside li{
 font-size:14px;color:rgba(214,228,240,.86);
 padding:9px 0;border-top:1px dashed rgba(255,255,255,.14);
 display:flex;justify-content:space-between;gap:10px;
}
.cta-aside li:first-child{border-top:0}
.cta-aside li b{color:#fff;font-weight:700}

/* footer */
.site-footer{background:var(--ink);color:#c7d6e4;padding:56px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-about p{font-size:14px;color:rgba(199,214,228,.78);line-height:1.82}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:rgba(199,214,228,.78);transition:color var(--ease)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);padding:18px 0 24px;
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:rgba(199,214,228,.6);
}

/* responsive */
@media(max-width:1024px){
 .cat-hero__inner{grid-template-columns:1fr;gap:32px;padding:54px 20px 50px}
 .cat-hero h1{font-size:32px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta-band__inner{grid-template-columns:1fr;padding:54px 0}
 .split{gap:28px}
}
@media(max-width:900px){
 .nav{display:none}
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .nav.is-open{
  display:flex;position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:6px;
  background:var(--ink-2);padding:14px 20px 20px;
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 34px rgba(4,16,27,.45);
 }
 .nav.is-open a{width:100%;padding:12px 14px;font-size:15.5px}
}
@media(max-width:768px){
 body{font-size:15.5px}
 .section{padding:56px 0}
 .section-title{font-size:24px}
 .cat-hero h1{font-size:27px}
 .cat-hero__lead{font-size:15px}
 .grid-3,.grid-2,.news-grid,.compare{grid-template-columns:1fr}
 .split{grid-template-columns:1fr}
 .split--reverse .split__media{order:0}
 .split__body h3{font-size:20px}
 .btn{padding:11px 20px;font-size:14.5px}
 .step{padding:22px 18px}
 .cat-panel{padding:18px}
}
@media(max-width:520px){
 .brand{font-size:15px}
 .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px}
 .header-inner{height:60px;gap:10px}
 .nav.is-open{top:60px}
 .cat-hero__inner{padding:42px 20px 40px}
 .cat-hero h1{font-size:24px;line-height:1.34}
 .stat-strip,.grid-4,.steps{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:6px}
 .section{padding:46px 0}
}

/* roulang page: category3 */
:root{
 --ink:#0b1f30;
 --ink-2:#122c42;
 --ink-3:#1b3b55;
 --gold:#e4b25c;
 --gold-deep:#c9973f;
 --paper:#ffffff;
 --paper-2:#f3f7fb;
 --paper-3:#eaf1f8;
 --line:#e0e9f2;
 --text:#182a3a;
 --muted:#63788d;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 6px 22px rgba(11,31,48,.07);
 --shadow-hover:0 16px 36px rgba(11,31,48,.14);
 --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);background:var(--paper);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
body .container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ============ header ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:var(--ink);
 border-bottom:1px solid rgba(255,255,255,.08);
 transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(4,16,27,.42)}
.header-inner{display:flex;align-items:center;height:64px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.brand-mark{
 width:34px;height:34px;border-radius:9px;flex:0 0 34px;
 background:linear-gradient(140deg,var(--gold),#a97d2f);
 display:grid;place-items:center;color:#0f2436;font-weight:800;font-size:15px;
 box-shadow:inset 0 1px 0 rgba(255,255,255,.45);
}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
 display:inline-block;padding:8px 14px;border-radius:9px;
 color:rgba(255,255,255,.76);font-size:15px;line-height:1.4;
 transition:color var(--ease),background var(--ease);
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.active{color:var(--gold);background:rgba(228,178,92,.13)}
.header-cta{
 display:inline-block;padding:9px 20px;border-radius:9px;
 background:var(--gold);color:#12293c;font-weight:700;font-size:14.5px;
 transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
 box-shadow:0 4px 14px rgba(228,178,92,.22);
}
.header-cta:hover{background:#f0c273;transform:translateY(-1px);box-shadow:0 8px 20px rgba(228,178,92,.32)}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:9px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ hero ============ */
.cat-hero{
 position:relative;color:#e9f1f8;overflow:hidden;
 background:var(--ink) url('/assets/images/8ba200226b75cd17.webp') center/cover no-repeat;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(102deg,rgba(7,22,35,.96) 6%,rgba(7,22,35,.86) 48%,rgba(7,22,35,.62) 100%);
}
.hero-grid{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:start;
 padding:60px 0 50px;
}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.6px;
 color:var(--gold);background:rgba(228,178,92,.12);border:1px solid rgba(228,178,92,.34);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:block}
.cat-hero h1{
 font-size:40px;line-height:1.3;font-weight:800;color:#fff;
 margin:18px 0 14px;letter-spacing:-.5px;
}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(233,241,248,.9);max-width:640px}
.hero-desc{margin-top:14px;font-size:15px;line-height:1.88;color:rgba(214,228,240,.76);max-width:640px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
 display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;
 color:rgba(224,236,246,.9);background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
}
.team-panel{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.15);
 border-radius:var(--radius);
 padding:26px 24px;
 backdrop-filter:blur(3px);
 box-shadow:0 18px 40px rgba(4,16,27,.32);
}
.team-panel h2{font-size:17px;font-weight:700;color:#fff;margin:0 0 6px}
.team-panel .team-note{font-size:13.5px;color:rgba(206,222,236,.72)}
.team-count{display:flex;align-items:baseline;gap:8px;margin:16px 0 4px}
.team-count strong{font-size:34px;font-weight:800;color:var(--gold);line-height:1}
.team-count span{font-size:14px;color:rgba(220,233,244,.8)}
.team-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;margin:12px 0 8px}
.team-bar em{display:block;height:100%;width:80%;border-radius:999px;background:linear-gradient(90deg,var(--gold-deep),var(--gold))}
.team-meta{display:grid;gap:8px;margin:16px 0 20px;font-size:14px;color:rgba(214,228,240,.82)}
.team-meta li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed rgba(255,255,255,.12);padding-bottom:7px}
.team-meta b{color:#fff;font-weight:600}
.team-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ buttons ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:9px;font-weight:700;font-size:15px;
 border:1px solid transparent;transition:all var(--ease);cursor:pointer;line-height:1.3;
}
.btn-gold{background:var(--gold);color:#12293c;box-shadow:0 8px 22px rgba(228,178,92,.26)}
.btn-gold:hover{background:#f0c273;transform:translateY(-2px);box-shadow:0 14px 28px rgba(228,178,92,.34)}
.btn-ghost{background:transparent;color:#dfeaf4;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--ink-2);border-color:var(--line);box-shadow:var(--shadow)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ section ============ */
.section{padding:76px 0}
.section--alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--ink);color:#dbe7f2}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;letter-spacing:1.4px;color:var(--gold-deep);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);border-radius:2px;display:block}
.section--dark .eyebrow{color:var(--gold)}
.section-title{font-size:29px;line-height:1.4;font-weight:800;color:var(--ink);margin:12px 0 12px;letter-spacing:-.3px}
.section--dark .section-title{color:#fff}
.section-desc{font-size:15.5px;color:var(--muted);max-width:760px}
.section--dark .section-desc{color:rgba(206,222,236,.8)}
.section-head{margin-bottom:36px;max-width:800px}

/* ============ grids & cards ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfe0f0}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--paper-3)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.tag{
 display:inline-block;align-self:flex-start;padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:600;color:var(--gold-deep);
 background:rgba(228,178,92,.12);border:1px solid rgba(228,178,92,.28);
}
.tag--blue{color:#2a5b86;background:rgba(42,91,134,.09);border-color:rgba(42,91,134,.2)}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:6px}
.tl-item{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease);
}
.tl-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.tl-num{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 background:var(--ink);color:var(--gold);font-weight:800;font-size:15px;margin-bottom:12px;
}
.tl-item h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* tiers */
.tier{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfe0f0}
.tier-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.tier-head h3{font-size:18px;font-weight:800;color:var(--ink)}
.tier-people{font-size:13px;color:var(--gold-deep);font-weight:700;background:rgba(228,178,92,.13);border-radius:999px;padding:4px 12px}
.tier-list{display:grid;gap:9px;font-size:14.3px;color:var(--muted)}
.tier-list li{display:flex;gap:9px;align-items:flex-start}
.tier-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);margin-top:9px;flex:0 0 6px}
.tier-list b{color:var(--ink-2);font-weight:600}

/* stats & quotes */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.stat{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px 20px;
}
.stat-num{font-size:30px;font-weight:800;color:var(--gold);line-height:1.1;letter-spacing:-.5px}
.stat-label{display:block;margin-top:8px;font-size:13.5px;color:rgba(206,222,236,.78)}
.quote{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);
 border-left:3px solid var(--gold);border-radius:var(--radius);
 padding:24px 24px 20px;
}
.quote p{font-size:15px;line-height:1.85;color:rgba(226,238,248,.92)}
.quote-by{display:block;margin-top:14px;font-size:13.5px;color:var(--gold)}
.scene-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfe0f0}
.scene-card h3{font-size:17px;font-weight:700;color:var(--ink);margin:12px 0 8px}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.scene-icon{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:var(--paper-3);color:var(--ink-2);border:1px solid var(--line);
}
.scene-icon svg{width:20px;height:20px}

/* news list */
.post-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#cfe0f0}
.post-card h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.55}
.post-card p{font-size:14.3px;color:var(--muted);line-height:1.8}
.post-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.8px;color:#8a9cad;margin-top:auto}
.empty-note{
 grid-column:1/-1;padding:30px 24px;border:1px dashed var(--line);border-radius:var(--radius);
 background:#fff;color:var(--muted);font-size:14.5px;text-align:center;
}

/* faq */
.faq{display:grid;gap:14px;max-width:900px}
.faq details{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:0;overflow:hidden;
 transition:border-color var(--ease),box-shadow var(--ease);
}
.faq details[open]{border-color:rgba(228,178,92,.55);box-shadow:0 10px 26px rgba(11,31,48,.09)}
.faq summary{
 list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
 font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
 border-right:2px solid var(--gold-deep);border-bottom:2px solid var(--gold-deep);
 transform:translateY(-70%) rotate(45deg);transition:transform var(--ease);
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq .faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.85}
.guard-note{
 margin-top:26px;display:flex;gap:14px;align-items:flex-start;
 background:var(--paper-3);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;font-size:14px;color:var(--muted);line-height:1.8;
}
.guard-note strong{color:var(--ink-2)}

/* cta band */
.cta-band{
 background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 58%,#20455f 100%);
 border-radius:16px;padding:44px 40px;color:#fff;
 display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
 box-shadow:0 20px 44px rgba(11,31,48,.22);
}
.cta-band h2{font-size:26px;font-weight:800;color:#fff;margin-bottom:10px;letter-spacing:-.3px}
.cta-band p{font-size:15px;color:rgba(214,228,240,.82);max-width:600px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{background:#081a29;color:rgba(206,222,236,.78);padding:60px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16.5px;margin-bottom:14px}
.footer-about p{font-size:14.3px;line-height:1.85;color:rgba(190,210,228,.72);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.2px;color:rgba(190,210,228,.78);transition:color var(--ease),transform var(--ease);display:inline-block}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
 font-size:13.2px;color:rgba(170,192,212,.66);
}

/* responsive */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;padding:52px 0 44px}
 .cat-hero h1{font-size:34px}
 .grid-4,.stats{grid-template-columns:repeat(2,1fr)}
 .timeline{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:820px){
 .nav{
  position:absolute;top:64px;left:0;right:0;display:none;
  flex-direction:column;align-items:stretch;gap:4px;
  background:var(--ink);padding:14px 20px 20px;
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 18px 30px rgba(4,16,27,.4);
 }
 .nav.is-open{display:flex}
 .nav a{padding:12px 14px;font-size:15.5px}
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .section{padding:56px 0}
 .section-title{font-size:24px}
 .cat-hero h1{font-size:29px}
 .hero-sub{font-size:16px}
 .grid-2,.grid-3,.grid-4,.stats,.timeline{grid-template-columns:1fr}
 .cta-band{padding:32px 24px}
 .cta-band h2{font-size:22px}
}
@media (max-width:520px){
 .header-inner{gap:10px}
 .brand{font-size:15px}
 .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:14px}
 .cat-hero h1{font-size:25px;line-height:1.36}
 .hero-grid{padding:40px 0 36px}
 .team-panel{padding:22px 18px}
 .section{padding:46px 0}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:8px}
 .btn{width:100%}
 .team-actions .btn{width:100%}
}