/* roulang page: index */
:root{
  --brand:#1a1f3d;
  --brand-2:#262d5c;
  --brand-3:#333c78;
  --gold:#ffb400;
  --gold-2:#ffd35c;
  --gold-soft:#fff4d6;
  --bg:#f4f5fb;
  --surface:#ffffff;
  --ink:#151a33;
  --text:#333a5c;
  --muted:#6b7292;
  --line:#e3e6f3;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow:0 14px 36px rgba(26,31,61,.10);
  --shadow-lg:0 26px 60px rgba(26,31,61,.22);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:8px}
::selection{background:rgba(255,180,0,.32)}

.shell{width:100%;max-width:1240px;margin-inline:auto;padding-inline:20px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(18,22,48,.97);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:78px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;font-weight:800;font-size:20px;letter-spacing:.5px}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,#ffd35c,#ffb400);color:#2a1c00;font-size:16px;font-weight:900;
  box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.logo:hover{color:#ffd35c}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;min-width:180px}
.nav-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:rgba(255,255,255,.55);fill:none;stroke-width:2;pointer-events:none}
.nav-search input{
  width:100%;height:44px;border-radius:999px;padding:0 108px 0 44px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.08);color:#fff;font-size:14px;
  transition:border-color .22s,background .22s,box-shadow .22s;
}
.nav-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-search input:focus{outline:none;border-color:rgba(255,180,0,.72);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,180,0,.13)}
.nav-search button{
  position:absolute;right:5px;top:5px;height:34px;padding:0 18px;border:0;border-radius:999px;
  background:linear-gradient(135deg,#ffd35c,#ffb400);color:#2a1c00;font-size:13.5px;font-weight:700;
  transition:transform .2s,box-shadow .2s;
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,180,0,.35)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:rgba(255,255,255,.76);white-space:nowrap;transition:.22s;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.main-nav a.active{
  color:#2a1c00;font-weight:700;
  background:linear-gradient(135deg,#ffd35c,#ffb400);
  box-shadow:0 6px 16px rgba(255,180,0,.3);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-gold{
  background:linear-gradient(135deg,#ffd35c,#ffb400 60%,#f0990a);color:#2a1c00;
  box-shadow:0 12px 28px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,180,0,.42);color:#2a1c00}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px);color:#fff}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#121634 0%,#1a1f3d 42%,#2c3468 100%)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/aece799f3c562fe0.webp') center/cover no-repeat;
  opacity:.24;mix-blend-mode:screen;
}
.hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.3),transparent 66%);
}
.hero .shell{position:relative;z-index:2;padding-block:66px 78px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
  color:#ffd35c;font-size:13px;font-weight:700;letter-spacing:.6px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#ffd35c;display:block}
.hero h1{
  margin:22px 0 0;color:#fff;font-weight:800;letter-spacing:-.4px;
  font-size:clamp(28px,3.6vw,46px);line-height:1.28;
}
.hero h1 em{font-style:normal;color:#ffd35c}
.hero-slogan{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;
  color:rgba(255,255,255,.82);font-size:14.5px;font-weight:600;letter-spacing:.5px;
}
.hero-slogan span{display:inline-flex;align-items:center;gap:7px}
.hero-slogan span::before{content:"";width:6px;height:6px;border-radius:2px;background:#ffb400;display:block}
.hero-desc{margin-top:20px;color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.95;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 36px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats b{display:block;color:#ffd35c;font-size:26px;font-weight:800;letter-spacing:-.5px;line-height:1.2}
.hero-stats span{color:rgba(255,255,255,.62);font-size:13px}
.hero-visual{position:relative}
.hero-shot{
  position:relative;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.18);
  box-shadow:var(--shadow-lg);background:#0f1330;
}
.hero-shot img{width:100%;height:340px;object-fit:cover}
.hero-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,52,0) 40%,rgba(18,22,52,.72) 100%)}
.hero-shot figcaption{
  position:absolute;left:22px;right:22px;bottom:18px;z-index:2;color:#fff;font-size:14px;font-weight:600;letter-spacing:.4px;
}
.hero-float{
  position:absolute;right:-10px;bottom:-26px;z-index:3;
  background:#fff;border-radius:16px;padding:16px 22px;box-shadow:var(--shadow);
  border:1px solid var(--line);text-align:center;
}
.hero-float b{display:block;font-size:26px;color:var(--brand);font-weight:800;line-height:1.1}
.hero-float span{font-size:12.5px;color:var(--muted)}

/* ---------- section base ---------- */
.section{padding:76px 0;position:relative}
.section--light{background:#fff;border-block:1px solid var(--line)}
.section--tint{background:linear-gradient(180deg,#f4f5fb 0%,#eef0f9 100%)}
.section-head{max-width:740px;margin-bottom:42px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
  background:var(--gold-soft);border:1px solid #ffe4a8;color:#a06d00;
  font-size:12.5px;font-weight:700;letter-spacing:1.4px;margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(23px,2.7vw,33px);font-weight:800;color:var(--ink);line-height:1.36;letter-spacing:-.3px;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:700px}
.section-head--center{margin-inline:auto;text-align:center}
.section-head--center p{margin-inline:auto}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.metric::after{content:"";position:absolute;right:-34px;bottom:-34px;width:96px;height:96px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.2),transparent 70%)}
.metric b{display:block;font-size:31px;font-weight:800;color:var(--brand);letter-spacing:-1px;line-height:1.15}
.metric span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* ---------- cards ---------- */
.card-soft{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card-soft:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d3d9ef}
.icon-dot{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,#fff0c8,#ffd98a);color:#8a5d00;font-weight:800;font-size:18px;
}
.card-soft h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.5}
.card-soft p{font-size:14.5px;color:var(--muted);line-height:1.85}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--gold-soft);border:1px solid #ffe4a8;color:#a06d00;font-size:12.5px;font-weight:700;
}

/* ---------- feature bento ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bento-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.bento-item.wide{grid-column:span 2}
.bento-item h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px}
.bento-item p{font-size:14.5px;color:var(--muted)}
.bento-media{margin-top:18px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line)}
.bento-media img{width:100%;height:170px;object-fit:cover}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
  padding:5px 12px;border-radius:8px;background:#f1f3fb;border:1px solid var(--line);
  font-size:12.5px;color:var(--brand-2);font-weight:600;
}

/* ---------- category entry ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  position:relative;overflow:hidden;display:block;padding:30px 28px;border-radius:var(--radius);
  background:linear-gradient(140deg,#1a1f3d,#2b3366);color:#fff;border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);color:#fff}
.cat-card::after{content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.34),transparent 70%)}
.cat-card .cat-no{font-size:12.5px;font-weight:700;letter-spacing:2px;color:#ffd35c}
.cat-card h3{font-size:21px;font-weight:800;margin:12px 0 10px}
.cat-card p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8}
.cat-card .cat-go{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13.5px;font-weight:700;color:#ffd35c}
.cat-card:hover .cat-go{gap:14px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 26px 28px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-15px;left:26px;padding:4px 14px;border-radius:999px;
  background:linear-gradient(135deg,#ffd35c,#ffb400);color:#2a1c00;font-size:13px;font-weight:800;
  box-shadow:0 8px 16px rgba(255,180,0,.3);
}
.step h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- fan list ---------- */
.fan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:16px}
.fan-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:border-color .22s,box-shadow .22s,transform .22s;
}
.fan-item:hover{border-color:#ffd98a;box-shadow:0 12px 26px rgba(255,180,0,.16);transform:translateY(-3px)}
.fan-item .dot{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand);color:#ffd35c;font-size:13.5px;font-weight:800;
}
.fan-item h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:4px}
.fan-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- device panel ---------- */
.device-panel{
  position:relative;overflow:hidden;border-radius:24px;padding:46px;
  background:linear-gradient(135deg,#1a1f3d,#2c3468);color:#fff;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.device-panel::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/d21ce61106187105.webp') center/cover;
  opacity:.16;mix-blend-mode:screen;
}
.device-panel > *{position:relative;z-index:2}
.device-panel h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;line-height:1.4}
.device-panel p{margin-top:14px;color:rgba(255,255,255,.75);font-size:15px}
.device-list{display:grid;gap:14px}
.device-row{
  display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  transition:background .22s,transform .22s;
}
.device-row:hover{background:rgba(255,255,255,.15);transform:translateX(4px)}
.device-row b{display:block;font-size:15px;color:#fff}
.device-row span{font-size:13px;color:rgba(255,255,255,.62)}
.device-ico{flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(255,180,0,.18);color:#ffd35c;font-weight:800;font-size:14px}

/* ---------- bars ---------- */
.chart-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;box-shadow:var(--shadow-sm)}
.bars{display:grid;gap:20px;margin-top:8px}
.bar-row{display:grid;grid-template-columns:132px 1fr 62px;align-items:center;gap:16px;font-size:14px}
.bar-row .bar-name{color:var(--text);font-weight:600}
.bar-track{height:10px;border-radius:999px;background:#e9ecf8;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#ffd35c,#ffb400)}
.bar-row .bar-val{text-align:right;color:var(--brand);font-weight:800;font-size:13.5px}
.chart-note{margin-top:22px;font-size:13px;color:var(--muted)}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.topic-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d8ddf2}
.topic-media{position:relative;height:180px;overflow:hidden}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.topic-card:hover .topic-media img{transform:scale(1.06)}
.topic-body{padding:22px 24px 26px}
.topic-body h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:8px;line-height:1.5}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- quotes ---------- */
.quote{
  height:100%;display:flex;flex-direction:column;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.quote p{font-size:14.8px;color:var(--text);line-height:1.9}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:6px}
.avatar{
  flex:0 0 42px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#2c3468,#1a1f3d);color:#ffd35c;font-size:15px;font-weight:800;
}
.quote-who b{display:block;font-size:14.5px;color:var(--ink)}
.quote-who span{font-size:12.5px;color:var(--muted)}

/* ---------- requirements ---------- */
.req-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.req{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:var(--radius-sm);padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s;
}
.req:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.req h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:8px}
.req p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:920px}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s,box-shadow .22s;
}
.faq details[open]{border-color:#ffd98a;box-shadow:0 12px 28px rgba(255,180,0,.14)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-weight:700;color:var(--ink);font-size:15.5px;line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;font-weight:400;color:#c99a1a;line-height:1;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ---------- news / cms ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:26px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .24s,box-shadow .24s,border-color .24s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#ffd98a}
.news-item h3{font-size:17.5px;font-weight:800;color:var(--ink);margin:10px 0 8px;line-height:1.55}
.news-item p{font-size:14.4px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  display:inline-block;padding:3px 11px;border-radius:999px;
  background:var(--gold-soft);border:1px solid #ffe4a8;color:#a06d00;font-size:12.5px;font-weight:700;
}
.news-time{display:block;margin-top:12px;font-size:12.5px;color:#9aa0bd}
.side-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
}
.side-panel h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:6px}
.side-panel .side-sub{font-size:13px;color:var(--muted);margin-bottom:14px}
.side-item{
  display:block;padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:14.4px;color:var(--text);line-height:1.7;transition:color .2s,padding-left .2s;
}
.side-item:last-child{border-bottom:0}
.side-item:hover{color:#a06d00;padding-left:4px}
.cms-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:34px 26px;text-align:center;color:var(--muted);font-size:14.5px;
}

/* ---------- final cta ---------- */
.final-cta{
  position:relative;overflow:hidden;border-radius:26px;padding:56px 48px;text-align:center;
  background:linear-gradient(135deg,#1a1f3d,#2c3468);color:#fff;box-shadow:var(--shadow-lg);
}
.final-cta::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/a17d093a1f9f201e.webp') center/cover;
  opacity:.14;mix-blend-mode:screen;
}
.final-cta::after{
  content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);
  width:520px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.26),transparent 70%);
}
.final-cta > *{position:relative;z-index:2}
.final-cta h2{font-size:clamp(23px,3vw,34px);font-weight:800;color:#fff;line-height:1.4}
.final-cta p{margin:16px auto 0;max-width:640px;color:rgba(255,255,255,.78);font-size:15.5px}
.final-cta .btn{margin-top:30px}

/* ---------- footer ---------- */
.site-footer{background:#12162f;color:rgba(255,255,255,.7);padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;margin-bottom:16px}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:10px;font-size:14px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:420px}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s}
.footer-col a:hover{color:#ffd35c}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom .dot-sep{opacity:.4}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .header-inner{flex-wrap:wrap;gap:12px;padding-block:12px;min-height:auto}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .main-nav{order:2;margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-shot img{height:300px}
  .device-panel{grid-template-columns:1fr;padding:36px}
  .news-layout{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-item.wide{grid-column:span 2}
}
@media (max-width:900px){
  .section{padding:60px 0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-about{max-width:none}
}
@media (max-width:720px){
  .bento{grid-template-columns:1fr}
  .bento-item.wide{grid-column:span 1}
  .topic-grid{grid-template-columns:1fr}
  .hero .shell{padding-block:48px 56px}
  .hero-float{right:0;bottom:-20px;padding:12px 18px}
  .hero-float b{font-size:22px}
  .bar-row{grid-template-columns:94px 1fr 52px;gap:12px;font-size:13.5px}
  .final-cta{padding:44px 26px}
  .device-panel{padding:28px}
  .chart-card{padding:26px 22px}
}
@media (max-width:560px){
  .logo{font-size:18px}
  .main-nav a{padding:8px 12px;font-size:13.5px}
  .metrics{grid-template-columns:1fr}
  .hero-stats{gap:16px 26px}
  .hero-stats b{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .nav-search input{padding-right:96px;font-size:13.5px}
  .nav-search button{padding:0 14px;font-size:12.5px}
  .news-item{padding:20px}
  .faq summary{padding:16px 18px;font-size:14.5px}
  .faq .faq-body{padding:0 18px 18px}
}

/* roulang page: article */
:root{
 --brand:#1a1f3d;
 --brand-2:#262d5c;
 --brand-3:#333c78;
 --gold:#ffb400;
 --gold-2:#ffd35c;
 --gold-soft:#fff4d6;
 --bg:#f4f5fb;
 --surface:#ffffff;
 --ink:#151a33;
 --text:#333a5c;
 --muted:#6b7292;
 --line:#e3e6f3;
 --radius:18px;
 --radius-sm:12px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 14px 36px rgba(26,31,61,.10);
 --shadow-lg:0 26px 60px rgba(26,31,61,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 color:var(--text);
 background:var(--bg);
 line-height:1.75;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.35}
p{margin:0}
.shell{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(18,22,48,.97);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:78px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;font-weight:800;font-size:20px;letter-spacing:.5px}
.logo-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffd35c,#ffb400);color:#2a1c00;font-size:16px;font-weight:900;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.logo:hover{color:#ffd35c}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;min-width:180px}
.nav-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:rgba(255,255,255,.55);fill:none;stroke-width:2;pointer-events:none}
.nav-search input{
 width:100%;height:44px;border-radius:999px;padding:0 108px 0 44px;
 border:1px solid rgba(255,255,255,.14);
 background:rgba(255,255,255,.08);color:#fff;font-size:14px;
 transition:border-color .22s,background .22s,box-shadow .22s;
}
.nav-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-search input:focus{outline:none;border-color:rgba(255,180,0,.72);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,180,0,.13)}
.nav-search button{
 position:absolute;right:5px;top:5px;height:34px;padding:0 18px;border:0;border-radius:999px;
 background:linear-gradient(135deg,#ffd35c,#ffb400);color:#2a1c00;font-size:13.5px;font-weight:700;
 transition:transform .2s,box-shadow .2s;
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,180,0,.35)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{
 padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
 color:rgba(255,255,255,.76);white-space:nowrap;transition:.22s;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.main-nav a.active{
 color:#2a1c00;font-weight:700;
 background:linear-gradient(135deg,#ffd35c,#ffb400);
 box-shadow:0 6px 16px rgba(255,180,0,.3);
}
.main-nav a:focus-visible,.logo:focus-visible,.btn:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-gold{
 background:linear-gradient(135deg,#ffd35c,#ffb400 60%,#f0990a);color:#2a1c00;
 box-shadow:0 12px 28px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,180,0,.42);color:#2a1c00}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px);color:#fff}
.btn-line{background:#fff;color:var(--brand);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:var(--gold);color:#8a5c00;transform:translateY(-2px)}
/* ---------- article hero ---------- */
.article-hero{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(135deg,#121634 0%,#1a1f3d 45%,#2c3468 100%);
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/aece799f3c562fe0.webp') center/cover no-repeat;
 opacity:.2;mix-blend-mode:screen;
}
.article-hero::after{
 content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 66%);
}
.article-hero .shell{position:relative;z-index:2;padding-block:52px 60px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#ffd35c}
.crumb span{opacity:.5}
.article-hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:46px;align-items:start}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.4px;
 background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.42);color:#ffd35c;
}
.tag-plain{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.82)}
.article-hero h1{
 font-size:clamp(25px,3.1vw,40px);line-height:1.34;letter-spacing:-.4px;color:#fff;
 font-weight:800;word-break:break-word;
}
.hero-abs{margin-top:18px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.95;max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;color:rgba(255,255,255,.66)}
.hero-meta b{color:#ffd35c;font-weight:700}
.compare-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius);padding:22px;backdrop-filter:blur(6px);box-shadow:var(--shadow-lg);
}
.compare-card h2{font-size:15px;color:#fff;letter-spacing:.5px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.compare-card h2 i{width:6px;height:16px;border-radius:3px;background:linear-gradient(180deg,#ffd35c,#ffb400);display:block}
.compare-item{border-radius:var(--radius-sm);padding:13px 15px;margin-bottom:10px;font-size:13.8px;line-height:1.8}
.compare-item:last-child{margin-bottom:0}
.compare-before{background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.22);color:rgba(255,255,255,.68)}
.compare-after{background:linear-gradient(135deg,rgba(255,180,0,.2),rgba(255,180,0,.08));border:1px solid rgba(255,180,0,.42);color:#fff2cf}
.compare-item strong{display:block;font-size:12px;letter-spacing:1px;margin-bottom:4px;font-weight:800}
.compare-before strong{color:rgba(255,255,255,.5)}
.compare-after strong{color:#ffd35c}
.compare-arrow{text-align:center;color:rgba(255,255,255,.45);font-size:12px;margin:2px 0 8px;letter-spacing:2px}
/* ---------- generic section ---------- */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.section-kicker{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;color:#a97a00;
 padding:5px 13px;border-radius:999px;background:var(--gold-soft);margin-bottom:14px;
}
.section-head h2{font-size:clamp(21px,2.4vw,30px);letter-spacing:-.3px}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px}
/* ---------- article body ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:0}
.article-panel{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:clamp(20px,3.4vw,46px);box-shadow:var(--shadow-sm);
}
.article-prose{font-size:16.5px;line-height:2;color:var(--text);word-break:break-word}
.article-prose>*:first-child{margin-top:0}
.article-prose h2{
 font-size:clamp(19px,2.1vw,25px);margin:36px 0 14px;padding-left:14px;
 border-left:4px solid var(--gold);line-height:1.5;
}
.article-prose h3{font-size:18px;margin:26px 0 10px;color:var(--ink)}
.article-prose h4{font-size:16px;margin:20px 0 8px;color:var(--ink)}
.article-prose p{margin:0 0 16px}
.article-prose ul,.article-prose ol{margin:0 0 18px;padding-left:22px}
.article-prose li{margin-bottom:8px}
.article-prose img{border-radius:var(--radius-sm);margin:18px 0;box-shadow:var(--shadow-sm)}
.article-prose blockquote{
 margin:20px 0;padding:14px 20px;border-left:4px solid var(--gold);
 background:var(--gold-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#6b5217;
}
.article-prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.article-prose th,.article-prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-prose th{background:#eef1fa;color:var(--ink);font-weight:700}
.article-prose a{color:#3a44a8;text-decoration:underline;text-underline-offset:3px}
.article-prose a:hover{color:#a97a00}
.article-foot{
 display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:34px;padding-top:22px;
 border-top:1px dashed var(--line);font-size:13.5px;color:var(--muted);
}
.pill{
 display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
 background:#eef1fa;color:var(--brand-3);font-size:12.5px;font-weight:700;
}
.empty-state{text-align:center;padding:40px 16px}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:22px}
/* ---------- key points ---------- */
.key-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.key-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
 height:100%;
}
.key-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6ef}
.key-num{
 display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
 background:linear-gradient(140deg,#ffd35c,#ffb400);color:#2a1c00;font-weight:900;font-size:15px;
 margin-bottom:16px;box-shadow:0 8px 18px rgba(255,180,0,.28);
}
.key-card h3{font-size:16.5px;margin-bottom:10px}
.key-card p{font-size:14px;color:var(--muted);line-height:1.9}
/* ---------- example ---------- */
.example-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.example-card{
 border-radius:var(--radius);padding:26px 24px;border:1px solid var(--line);
 background:var(--surface);box-shadow:var(--shadow-sm);
}
.example-card.is-after{border-color:rgba(255,180,0,.55);background:linear-gradient(180deg,#fffdf5,#ffffff)}
.example-label{
 display:inline-block;font-size:12px;font-weight:800;letter-spacing:1.4px;
 padding:4px 12px;border-radius:999px;margin-bottom:14px;
 background:#eef1fa;color:var(--brand-3);
}
.example-card.is-after .example-label{background:var(--gold-soft);color:#8a5c00}
.example-card h3{font-size:17px;margin-bottom:12px}
.example-card p{font-size:14.3px;color:var(--muted);line-height:1.95}
.example-card ul{margin:12px 0 0;padding-left:20px;font-size:14px;color:var(--text)}
.example-card li{margin-bottom:7px}
.example-figure{margin-top:26px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:var(--surface)}
.example-figure img{width:100%;height:280px;object-fit:cover}
.example-figure figcaption{padding:14px 20px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line)}
/* ---------- lookup table ---------- */
.lookup{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
.lookup table{width:100%;border-collapse:collapse;font-size:14.5px}
.lookup th{
 background:var(--brand);color:#fff;text-align:left;padding:14px 20px;font-weight:700;
 font-size:13.5px;letter-spacing:.6px;
}
.lookup td{padding:14px 20px;border-top:1px solid var(--line);color:var(--text);vertical-align:top}
.lookup tbody tr:hover td{background:#f8f9ff}
.lookup td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 display:flex;flex-direction:column;gap:10px;justify-content:space-between;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
 min-height:140px;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6ef}
.post-card h3{font-size:16px;line-height:1.6}
.post-card .more{font-size:13px;font-weight:800;color:#a97a00;letter-spacing:.5px}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:0 10px 26px rgba(26,31,61,.1)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--gold);line-height:1;
 transition:transform .22s;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:#8a5c00}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.95}
/* ---------- cta ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius);
 background:linear-gradient(120deg,#151a33,#262d5c 55%,#39437f);
 padding:clamp(28px,4vw,48px);color:#fff;
 box-shadow:var(--shadow);
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/d21ce61106187105.webp') center/cover no-repeat;opacity:.18;mix-blend-mode:screen;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.4vw,28px);letter-spacing:-.3px}
.cta-inner p{margin-top:10px;color:rgba(255,255,255,.74);font-size:14.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- footer ---------- */
.site-footer{background:#11152c;color:rgba(255,255,255,.7);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.95;color:rgba(255,255,255,.6);max-width:420px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:#ffd35c}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;align-items:center;
 margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:rgba(255,255,255,.5);
}
.dot-sep{position:relative;padding-left:14px}
.dot-sep::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:rgba(255,180,0,.8)}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .header-inner{flex-wrap:wrap;gap:12px;padding:14px 0;min-height:0}
 .nav-search{order:3;flex:1 1 100%;max-width:none}
 .main-nav{order:2;margin-left:auto}
 .article-hero-grid{grid-template-columns:1fr;gap:32px}
 .key-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-grid>div:first-child{grid-column:1/-1}
 .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .hero-meta{gap:8px 18px}
 .example-wrap{grid-template-columns:1fr}
 .lookup{overflow-x:auto}
 .lookup table{min-width:560px}
 .cta-inner{flex-direction:column;align-items:flex-start}
 .related-grid{grid-template-columns:1fr}
 .example-figure img{height:220px}
}
@media (max-width:520px){
 .logo{font-size:18px}
 .logo-mark{width:32px;height:32px;border-radius:10px;font-size:14px}
 .main-nav a{padding:8px 12px;font-size:13.5px}
 .nav-search input{height:42px;padding-right:96px;font-size:13.5px}
 .nav-search button{height:32px;padding:0 14px;font-size:13px}
 .key-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .article-panel{padding:20px 16px}
 .article-prose{font-size:16px}
}

/* roulang page: category1 */
:root{
 --brand:#1a1f3d;
 --brand-2:#262d5c;
 --brand-3:#333c78;
 --gold:#ffb400;
 --gold-2:#ffd35c;
 --gold-soft:#fff4d6;
 --bg:#f4f5fb;
 --surface:#ffffff;
 --ink:#151a33;
 --text:#333a5c;
 --muted:#6b7292;
 --line:#e3e6f3;
 --radius:18px;
 --radius-sm:12px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 14px 36px rgba(26,31,61,.10);
 --shadow-lg:0 26px 60px rgba(26,31,61,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 color:var(--text);
 background:var(--bg);
 line-height:1.75;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:800;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding-inline:24px}

/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(18,22,48,.97);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:78px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;font-weight:800;font-size:20px;letter-spacing:.5px}
.logo-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffd35c,#ffb400);color:#2a1c00;font-size:16px;font-weight:900;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.logo:hover{color:#ffd35c}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;min-width:180px}
.nav-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:rgba(255,255,255,.55);fill:none;stroke-width:2;pointer-events:none}
.nav-search input{
 width:100%;height:44px;border-radius:999px;padding:0 108px 0 44px;
 border:1px solid rgba(255,255,255,.14);
 background:rgba(255,255,255,.08);color:#fff;font-size:14px;
 transition:border-color .22s,background .22s,box-shadow .22s;
}
.nav-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-search input:focus{outline:none;border-color:rgba(255,180,0,.72);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,180,0,.13)}
.nav-search button{
 position:absolute;right:5px;top:5px;height:34px;padding:0 18px;border:0;border-radius:999px;
 background:linear-gradient(135deg,#ffd35c,#ffb400);color:#2a1c00;font-size:13.5px;font-weight:700;
 transition:transform .2s,box-shadow .2s;
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,180,0,.35)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{
 padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
 color:rgba(255,255,255,.76);white-space:nowrap;transition:.22s;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.main-nav a.active{
 color:#2a1c00;font-weight:700;
 background:linear-gradient(135deg,#ffd35c,#ffb400);
 box-shadow:0 6px 16px rgba(255,180,0,.3);
}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-gold{
 background:linear-gradient(135deg,#ffd35c,#ffb400 60%,#f0990a);color:#2a1c00;
 box-shadow:0 12px 28px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,180,0,.42);color:#2a1c00}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px);color:#fff}

/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#111533 0%,#1a1f3d 44%,#2d3569 100%);color:#fff}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/d21ce61106187105.webp') center/cover no-repeat;
 opacity:.2;mix-blend-mode:screen;
}
.cat-hero::after{
 content:"";position:absolute;width:520px;height:520px;right:-170px;top:-200px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.3),transparent 66%);
}
.cat-hero .shell{position:relative;z-index:2;padding-top:62px;padding-bottom:70px}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:#ffd35c}
.crumbs span.sep{opacity:.45}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
 color:#ffd35c;font-size:13px;font-weight:700;letter-spacing:.6px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#ffd35c;display:block}
.cat-hero h1{
 margin-top:20px;color:#fff;font-weight:800;letter-spacing:-.4px;
 font-size:clamp(27px,3.4vw,44px);line-height:1.3;
}
.cat-hero h1 em{font-style:normal;color:#ffd35c}
.hero-lead{margin-top:20px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.95;max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 38px;margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.hero-meta b{display:block;color:#ffd35c;font-size:24px;font-weight:800;letter-spacing:-.5px;line-height:1.2}
.hero-meta span{color:rgba(255,255,255,.6);font-size:13px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-panel{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 border-radius:22px;padding:26px 26px 22px;box-shadow:0 24px 60px rgba(0,0,0,.3);
 backdrop-filter:blur(6px);
}
.hero-panel h2{color:#fff;font-size:16.5px;margin-bottom:6px}
.hero-panel .panel-sub{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px}
.meter-item{margin-bottom:16px}
.meter-row{display:flex;justify-content:space-between;align-items:baseline;font-size:13.5px;color:rgba(255,255,255,.8);margin-bottom:7px;font-weight:600}
.meter-row b{color:#ffd35c;font-weight:800}
.meter{height:8px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffb400,#ffd35c)}
.panel-foot{margin-top:18px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.2);font-size:13px;color:rgba(255,255,255,.6);line-height:1.8}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section.alt{background:var(--surface)}
.section.dark{background:linear-gradient(140deg,#151a38,#232a55);color:rgba(255,255,255,.8)}
.section.dark h2,.section.dark h3{color:#fff}
.section-head{max-width:780px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:1.8px;color:#a97a00}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:linear-gradient(90deg,#ffb400,#ffd35c)}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin-top:12px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.92}
.section.dark .section-head p,.section.dark .eyebrow{color:rgba(255,255,255,.66)}
.section.dark .eyebrow{color:#ffd35c}

/* ---------- fact cards ---------- */
.fact-card{
 height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.fact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d5daf0}
.fact-num{
 display:inline-grid;place-items:center;width:44px;height:44px;border-radius:13px;
 background:var(--gold-soft);color:#8a5f00;font-weight:900;font-size:15px;letter-spacing:.5px;
 border:1px solid #ffe3a3;
}
.fact-card h3{font-size:17.5px;margin-top:16px}
.fact-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85}
.fact-card ul{margin-top:12px}
.fact-card li{position:relative;padding-left:16px;font-size:14px;color:var(--text);line-height:1.8}
.fact-card li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--gold)}

/* ---------- rule group cards ---------- */
.rule-card{
 height:100%;display:flex;flex-direction:column;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.rule-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.rule-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#dadff0}
.rule-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rule-card:hover .rule-thumb img{transform:scale(1.05)}
.rule-thumb .tag{
 position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;
 background:rgba(18,22,48,.82);color:#ffd35c;font-size:12px;font-weight:700;letter-spacing:.5px;
}
.rule-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.rule-body h3{font-size:18px}
.rule-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85;flex:1}
.rule-points{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:8px}
.chip{
 display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
 background:#f2f4fd;border:1px solid var(--line);color:#4a5280;font-size:12.5px;font-weight:600;
}

/* ---------- flow timeline ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:flow}
.flow-item{
 position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:24px 22px 22px;transition:background .25s,transform .25s;
}
.flow-item:hover{background:rgba(255,255,255,.11);transform:translateY(-4px)}
.flow-item::before{
 counter-increment:flow;content:"0" counter(flow);
 display:block;font-size:24px;font-weight:900;color:#ffb400;letter-spacing:-.5px;line-height:1;
 margin-bottom:14px;
}
.flow-item h3{font-size:16.5px;color:#fff}
.flow-item p{margin-top:9px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.85}

/* ---------- example block ---------- */
.example-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center}
.example-figure{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#dfe3f4}
.example-figure img{width:100%;height:100%;min-height:340px;object-fit:cover}
.example-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:38px 22px 18px;
 background:linear-gradient(180deg,rgba(21,26,56,0) 0%,rgba(21,26,56,.82) 100%);
 color:#fff;font-size:13.5px;font-weight:600;
}
.example-list{display:grid;gap:16px;margin-top:24px}
.example-item{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm);transition:border-color .22s,transform .22s}
.example-item:hover{border-color:#d3d9f1;transform:translateX(3px)}
.example-item .step{
 flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffd35c,#ffb400);color:#2a1c00;font-weight:900;font-size:13px;
}
.example-item h3{font-size:15.5px}
.example-item p{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.compare-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-sm);height:100%;
 transition:box-shadow .25s,transform .25s;
}
.compare-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.compare-card h3{font-size:16.5px;display:flex;align-items:center;gap:8px}
.compare-card h3 .dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(140deg,#ffd35c,#ffb400);display:inline-block}
.compare-card dl{margin:14px 0 0}
.compare-card dt{font-size:13px;font-weight:800;color:#8a5f00;letter-spacing:.4px;margin-top:12px}
.compare-card dd{margin:4px 0 0;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- latest posts ---------- */
.post-card{
 height:100%;display:flex;flex-direction:column;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d5daf0}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#dfe3f4}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.tag{
 display:inline-flex;align-self:flex-start;padding:4px 11px;border-radius:999px;
 background:var(--gold-soft);color:#8a5f00;font-size:12px;font-weight:700;border:1px solid #ffe3a3;
}
.post-body h3{font-size:16.5px;margin-top:12px;line-height:1.55}
.post-body h3 a:hover{color:#b57b00}
.post-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;flex:1}
.post-date{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:12.5px;color:#8d94b3}
.empty-note{
 padding:40px 24px;text-align:center;border:1px dashed #ccd2ea;border-radius:var(--radius);
 background:#fafbff;color:var(--muted);font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:14px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:6px 20px;box-shadow:var(--shadow-sm);transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:#ffdd9a;box-shadow:0 12px 30px rgba(26,31,61,.09)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:16px 34px 16px 0;position:relative;
 font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:#f2f4fd;color:#5b6390;font-weight:800;font-size:16px;transition:.22s;
}
.faq-item[open] summary::after{content:"−";background:linear-gradient(140deg,#ffd35c,#ffb400);color:#2a1c00}
.faq-item p{padding:0 34px 18px 0;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:24px;padding:52px 44px;
 background:linear-gradient(135deg,#1a1f3d 0%,#262d5c 52%,#333c78 100%);
 color:#fff;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;width:380px;height:380px;right:-120px;bottom:-180px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,30px);position:relative;z-index:2}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.76);font-size:15px;line-height:1.9;max-width:600px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:#12162f;color:rgba(255,255,255,.72);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;margin-bottom:14px;letter-spacing:.4px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:430px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#ffd35c}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
 font-size:13px;color:rgba(255,255,255,.5);
}
.dot-sep::before{content:"·";margin-right:8px;color:rgba(255,255,255,.35)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:38px}
 .cat-hero .shell{padding-top:48px;padding-bottom:56px}
 .hero-panel{max-width:560px}
 .example-grid{grid-template-columns:1fr;gap:32px}
 .example-figure img{min-height:280px}
 .flow{grid-template-columns:repeat(2,1fr)}
 .compare-grid{grid-template-columns:1fr 1fr}
 .cta-band{grid-template-columns:1fr;padding:40px 30px}
 .cta-actions{justify-content:flex-start}
 .section{padding:60px 0}
}
@media (max-width:991px){
 .header-inner{flex-wrap:wrap;gap:12px;padding-block:14px;min-height:auto}
 .nav-search{order:3;flex:1 1 100%;max-width:none}
 .main-nav{margin-left:0;order:2;flex:1 1 auto;justify-content:flex-end}
}
@media (max-width:768px){
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-about{max-width:none}
 .flow{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .hero-meta{gap:14px 26px}
 .hero-meta b{font-size:21px}
}
@media (max-width:640px){
 .header-inner{gap:10px}
 .logo{font-size:18px}
 .logo-mark{width:32px;height:32px;border-radius:9px;font-size:14px}
 .main-nav{order:4;width:100%;justify-content:flex-start;padding-bottom:4px}
 .main-nav a{padding:8px 13px;font-size:14px}
 .nav-search input{height:42px;padding-right:96px}
 .nav-search button{height:32px;padding:0 14px}
 .shell{padding-inline:18px}
 .cat-hero h1{font-size:26px}
 .hero-lead{font-size:15px}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .cta-band{padding:32px 22px;border-radius:20px}
 .section{padding:52px 0}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
 .fact-card,.rule-body,.compare-card,.post-body{padding-inline:18px}
 .hero-panel{padding:20px 18px}
 .faq-item{padding:4px 16px}
}

/* roulang page: category2 */
:root{
 --brand:#1a1f3d;
 --brand-2:#262d5c;
 --brand-3:#333c78;
 --gold:#ffb400;
 --gold-2:#ffd35c;
 --gold-soft:#fff4d6;
 --bg:#f4f5fb;
 --surface:#ffffff;
 --ink:#151a33;
 --text:#333a5c;
 --muted:#6b7292;
 --line:#e3e6f3;
 --radius:18px;
 --radius-sm:12px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 14px 36px rgba(26,31,61,.10);
 --shadow-lg:0 26px 60px rgba(26,31,61,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 color:var(--text);
 background:var(--bg);
 line-height:1.75;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.shell{width:min(1200px,92%);margin-inline:auto}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* header / nav */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(18,22,48,.97);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:78px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;font-weight:800;font-size:20px;letter-spacing:.5px}
.logo-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffd35c,#ffb400);color:#2a1c00;font-size:16px;font-weight:900;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.logo:hover{color:#ffd35c}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;min-width:180px}
.nav-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:rgba(255,255,255,.55);fill:none;stroke-width:2;pointer-events:none}
.nav-search input{
 width:100%;height:44px;border-radius:999px;padding:0 108px 0 44px;
 border:1px solid rgba(255,255,255,.14);
 background:rgba(255,255,255,.08);color:#fff;font-size:14px;
 transition:border-color .22s,background .22s,box-shadow .22s;
}
.nav-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-search input:focus{outline:none;border-color:rgba(255,180,0,.72);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,180,0,.13)}
.nav-search button{
 position:absolute;right:5px;top:5px;height:34px;padding:0 18px;border:0;border-radius:999px;
 background:linear-gradient(135deg,#ffd35c,#ffb400);color:#2a1c00;font-size:13.5px;font-weight:700;
 transition:transform .2s,box-shadow .2s;
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,180,0,.35)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{
 padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
 color:rgba(255,255,255,.76);white-space:nowrap;transition:.22s;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.main-nav a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.main-nav a.active{
 color:#2a1c00;font-weight:700;
 background:linear-gradient(135deg,#ffd35c,#ffb400);
 box-shadow:0 6px 16px rgba(255,180,0,.3);
}
/* buttons */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px}
.btn-gold{
 background:linear-gradient(135deg,#ffd35c,#ffb400 60%,#f0990a);color:#2a1c00;
 box-shadow:0 12px 28px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,180,0,.42);color:#2a1c00}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:#0f1330;transform:translateY(-2px);color:#fff}
/* page hero */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#121634 0%,#1a1f3d 44%,#2c3468 100%);color:#fff}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/d21ce61106187105.webp') center/cover no-repeat;
 opacity:.22;mix-blend-mode:screen;
}
.cat-hero::after{
 content:"";position:absolute;width:540px;height:540px;right:-160px;top:-200px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 66%);
}
.cat-hero .shell{position:relative;z-index:2;padding-block:52px 64px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:var(--gold-2)}
.crumb span{color:rgba(255,255,255,.35)}
.hero-two{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.kicker{
 display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
 color:#ffd35c;font-size:13px;font-weight:700;letter-spacing:.6px;
}
.kicker i{width:7px;height:7px;border-radius:50%;background:#ffd35c;display:block}
.cat-hero h1{
 margin:20px 0 0;color:#fff;font-weight:800;
 font-size:clamp(27px,3.4vw,44px);line-height:1.3;letter-spacing:-.5px;
}
.cat-hero h1 em{font-style:normal;color:#ffd35c}
.hero-summary{margin-top:18px;color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.95;max-width:600px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags span{
 padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
 color:rgba(255,255,255,.85);background:rgba(255,255,255,.09);
 border:1px solid rgba(255,255,255,.14);
}
.hero-metrics{display:flex;flex-wrap:wrap;gap:18px 38px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.hero-metrics b{display:block;color:#ffd35c;font-size:25px;font-weight:800;letter-spacing:-.5px;line-height:1.2}
.hero-metrics span{color:rgba(255,255,255,.6);font-size:13px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.pick-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
 border-radius:24px;padding:14px;box-shadow:var(--shadow-lg);backdrop-filter:blur(6px);
}
.pick-card figure{margin:0;position:relative;border-radius:18px;overflow:hidden}
.pick-card img{width:100%;height:250px;object-fit:cover;transition:transform .5s ease}
.pick-card:hover img{transform:scale(1.04)}
.pick-card figcaption{
 position:absolute;left:16px;bottom:14px;right:16px;
 color:#fff;font-size:13.5px;font-weight:700;letter-spacing:.3px;
 text-shadow:0 2px 12px rgba(0,0,0,.6);
}
.pick-body{padding:18px 8px 8px}
.pick-body h2{color:#fff;font-size:16.5px;font-weight:800;margin-bottom:12px}
.pick-list{display:grid;gap:10px}
.pick-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.74);line-height:1.6}
.pick-list li::before{
 content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:2px;
 background:linear-gradient(135deg,#ffd35c,#ffb400);
}
/* sections */
.sec{padding:74px 0}
.sec-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-dark{background:linear-gradient(135deg,#151a37 0%,#232a55 62%,#2b336a 100%);color:rgba(255,255,255,.78);position:relative;overflow:hidden}
.sec-dark::before{content:"";position:absolute;width:420px;height:420px;left:-140px;bottom:-220px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.18),transparent 68%)}
.sec-dark .shell{position:relative;z-index:2}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px 32px;margin-bottom:36px}
.sec-title{font-size:clamp(21px,2.3vw,29px);font-weight:800}
.sec-dark .sec-title{color:#fff}
.sec-sub{color:var(--muted);font-size:14.5px;max-width:640px;margin-top:8px}
.sec-dark .sec-sub{color:rgba(255,255,255,.66)}
.sec-eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:1.4px;color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.sec-link{font-size:14px;font-weight:700;color:var(--brand-3);border-bottom:2px solid rgba(255,180,0,.5);padding-bottom:2px}
.sec-link:hover{color:var(--brand);border-bottom-color:var(--gold)}
/* skill cards */
.skill-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.skill-lead{
 position:relative;border-radius:var(--radius);overflow:hidden;min-height:340px;
 display:flex;align-items:flex-end;padding:30px;color:#fff;
 box-shadow:var(--shadow);border:1px solid rgba(26,31,61,.06);
}
.skill-lead img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .6s ease}
.skill-lead:hover img{transform:scale(1.05)}
.skill-lead::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,52,.15) 22%,rgba(18,22,52,.88) 100%);z-index:1}
.skill-lead-body{position:relative;z-index:2}
.skill-lead-body h3{color:#fff;font-size:21px;font-weight:800;margin-bottom:10px}
.skill-lead-body p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.82)}
.skill-minis{display:grid;gap:22px}
.skill-mini{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.skill-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.skill-mini .n{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;margin-bottom:14px;
 background:var(--gold-soft);color:#8a5f00;font-weight:800;font-size:14px;
}
.skill-mini h3{font-size:17px;font-weight:800;margin-bottom:8px}
.skill-mini p{font-size:14px;color:var(--muted);line-height:1.85}
/* scene list */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-item{
 display:flex;gap:18px;padding:24px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s;
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.scene-num{
 flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(140deg,#262d5c,#1a1f3d);color:#ffd35c;font-weight:800;font-size:15px;
}
.scene-item h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.scene-item p{font-size:14px;color:var(--muted);line-height:1.8}
.scene-tag{
 display:inline-block;margin-top:12px;padding:4px 11px;border-radius:999px;
 font-size:12px;font-weight:700;color:#8a5f00;background:var(--gold-soft);
}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.flow-step{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:26px 22px;transition:background .25s,transform .25s,border-color .25s;
}
.flow-step:hover{background:rgba(255,255,255,.11);transform:translateY(-4px);border-color:rgba(255,180,0,.5)}
.flow-step b{
 display:block;font-size:12.5px;letter-spacing:1.4px;color:#ffd35c;font-weight:800;margin-bottom:12px;
}
.flow-step h3{color:#fff;font-size:17px;font-weight:800;margin-bottom:10px}
.flow-step p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.85}
/* stage cards */
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stage-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
 transition:transform .25s,box-shadow .25s;
}
.stage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stage-card .badge-pill{
 align-self:flex-start;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:800;
 color:var(--brand);background:rgba(26,31,61,.07);margin-bottom:16px;letter-spacing:.4px;
}
.stage-card h3{font-size:18px;font-weight:800;margin-bottom:12px}
.stage-card ul{display:grid;gap:10px}
.stage-card li{position:relative;padding-left:18px;font-size:14px;color:var(--muted);line-height:1.8}
.stage-card li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
 background:linear-gradient(135deg,#ffd35c,#ffb400);
}
/* demo */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.demo-figure{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);position:relative;background:#fff}
.demo-figure img{width:100%;height:360px;object-fit:cover}
.demo-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
 background:linear-gradient(180deg,rgba(21,26,51,0),rgba(21,26,51,.86));
 color:#fff;font-size:13.5px;font-weight:600;
}
.demo-text h2{font-size:clamp(20px,2.2vw,27px);font-weight:800;margin-bottom:14px}
.demo-text > p{color:var(--muted);font-size:15px;line-height:1.95}
.demo-steps{display:grid;gap:14px;margin-top:22px}
.demo-steps li{
 display:flex;gap:12px;font-size:14.5px;line-height:1.8;color:var(--text);
 padding:14px 16px;border-radius:var(--radius-sm);background:var(--surface);
 border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.demo-steps li span{
 flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffd35c,#ffb400);color:#2a1c00;font-size:12px;font-weight:900;margin-top:2px;
}
/* myth */
.myth-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start}
.myth-lead h2{font-size:clamp(20px,2.2vw,28px);font-weight:800;margin-bottom:14px}
.myth-lead p{color:var(--muted);font-size:14.5px;line-height:1.95}
.myth-list{display:grid;gap:16px}
.myth-item{
 background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-sm);
}
.myth-item h3{font-size:16px;font-weight:800;margin-bottom:8px}
.myth-item p{font-size:14px;color:var(--muted);line-height:1.85}
/* voice */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.voice-card p{font-size:14.5px;line-height:1.9;color:var(--text)}
.voice-meta{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line)}
.avatar{
 width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
 background:linear-gradient(140deg,#262d5c,#1a1f3d);color:#ffd35c;font-weight:800;font-size:14px;
}
.voice-meta b{display:block;font-size:14px;color:var(--ink)}
.voice-meta span{font-size:12.5px;color:var(--muted)}
/* cta band */
.cta-band{
 margin:0 auto;border-radius:26px;padding:46px 40px;
 background:linear-gradient(135deg,#ffd35c 0%,#ffb400 58%,#f0990a 100%);
 color:#2a1c00;box-shadow:0 24px 54px rgba(255,180,0,.3);
 display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center;
}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);font-weight:900;color:#2a1c00;margin-bottom:12px}
.cta-band p{font-size:15px;line-height:1.9;color:rgba(42,28,0,.82);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-band .btn-dark{box-shadow:0 14px 30px rgba(26,31,61,.3)}
.cta-band .btn-line{background:rgba(255,255,255,.6);color:#2a1c00;border-color:rgba(42,28,0,.18)}
.cta-band .btn-line:hover{background:#fff;transform:translateY(-2px)}
/* faq */
.faq-wrap{max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:4px 22px;margin-bottom:14px;box-shadow:var(--shadow-sm);transition:border-color .25s,box-shadow .25s;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;
 font-size:16px;font-weight:800;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
 width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
 background:var(--gold-soft);color:#8a5f00;font-weight:900;font-size:16px;line-height:1;
 transition:transform .25s,background .25s;
}
.faq-item[open] summary::after{content:"−";background:linear-gradient(135deg,#ffd35c,#ffb400);color:#2a1c00}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:4px;border-radius:8px}
.faq-item p{padding:0 0 20px;font-size:14.5px;color:var(--muted);line-height:1.95;max-width:760px}
/* footer */
.site-footer{background:#131734;color:rgba(255,255,255,.72);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:430px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#ffd35c}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
 border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;
 font-size:13px;color:rgba(255,255,255,.5);
}
.dot-sep{color:rgba(255,255,255,.42)}
/* responsive */
@media (max-width:1100px){
 .header-inner{flex-wrap:wrap;padding-block:12px;min-height:unset;gap:12px}
 .nav-search{order:3;flex:1 1 100%;max-width:none}
 .main-nav{order:2;margin-left:0;flex:1 1 auto;justify-content:flex-end}
}
@media (max-width:1024px){
 .hero-two{grid-template-columns:1fr;gap:34px}
 .hero-summary{max-width:none}
 .skill-grid{grid-template-columns:1fr}
 .skill-lead{min-height:280px}
 .demo-grid{grid-template-columns:1fr;gap:28px}
 .flow{grid-template-columns:repeat(2,1fr)}
 .stage-grid{grid-template-columns:repeat(2,1fr)}
 .scene-grid{grid-template-columns:1fr}
 .myth-grid{grid-template-columns:1fr;gap:22px}
 .voice-grid{grid-template-columns:1fr}
 .cta-band{grid-template-columns:1fr;padding:38px 28px}
 .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
 .sec{padding:52px 0}
 .cat-hero .shell{padding-block:36px 48px}
 .hero-metrics{gap:16px 26px}
 .hero-metrics b{font-size:22px}
 .pick-card img{height:210px}
 .demo-figure img{height:270px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .sec-head{margin-bottom:26px}
}
@media (max-width:560px){
 .logo{font-size:18px}
 .main-nav a{padding:8px 12px;font-size:13.5px}
 .nav-search input{height:42px;padding-right:92px;font-size:13.5px}
 .nav-search button{padding:0 14px;font-size:13px}
 .flow{grid-template-columns:1fr}
 .stage-grid{grid-template-columns:1fr}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .skill-lead{padding:22px;min-height:250px}
 .scene-item{flex-direction:column;gap:12px}
 .cta-band{padding:30px 22px;border-radius:20px}
 .faq-item{padding:2px 18px}
 .faq-item summary{font-size:15px}
}

/* roulang page: category3 */
:root{
 --brand:#1a1f3d;
 --brand-2:#262d5c;
 --brand-3:#333c78;
 --gold:#ffb400;
 --gold-2:#ffd35c;
 --gold-soft:#fff4d6;
 --bg:#f4f5fb;
 --surface:#ffffff;
 --ink:#151a33;
 --text:#333a5c;
 --muted:#6b7292;
 --line:#e3e6f3;
 --radius:18px;
 --radius-sm:12px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 14px 36px rgba(26,31,61,.10);
 --shadow-lg:0 26px 60px rgba(26,31,61,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 color:var(--text);
 background:var(--bg);
 line-height:1.75;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(18,22,48,.97);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:78px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;font-weight:800;font-size:20px;letter-spacing:.5px}
.logo-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffd35c,#ffb400);color:#2a1c00;font-size:16px;font-weight:900;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.logo:hover{color:#ffd35c}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;min-width:180px}
.nav-search .search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:rgba(255,255,255,.55);fill:none;stroke-width:2;pointer-events:none}
.nav-search input{
 width:100%;height:44px;border-radius:999px;padding:0 108px 0 44px;
 border:1px solid rgba(255,255,255,.14);
 background:rgba(255,255,255,.08);color:#fff;font-size:14px;
 transition:border-color .22s,background .22s,box-shadow .22s;
}
.nav-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-search input:focus{outline:none;border-color:rgba(255,180,0,.72);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,180,0,.13)}
.nav-search button{
 position:absolute;right:5px;top:5px;height:34px;padding:0 18px;border:0;border-radius:999px;
 background:linear-gradient(135deg,#ffd35c,#ffb400);color:#2a1c00;font-size:13.5px;font-weight:700;
 transition:transform .2s,box-shadow .2s;
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,180,0,.35)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{
 padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
 color:rgba(255,255,255,.76);white-space:nowrap;transition:.22s;
}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.main-nav a.active{
 color:#2a1c00;font-weight:700;
 background:linear-gradient(135deg,#ffd35c,#ffb400);
 box-shadow:0 6px 16px rgba(255,180,0,.3);
}
.main-nav a:focus-visible,.logo:focus-visible,.btn:focus-visible,.nav-search button:focus-visible{outline:2px solid #ffd35c;outline-offset:3px}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;border:1px solid transparent;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn-gold{
 background:linear-gradient(135deg,#ffd35c,#ffb400 60%,#f0990a);color:#2a1c00;
 box-shadow:0 12px 28px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,180,0,.42);color:#2a1c00}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff}
.btn-dark{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-dark:hover{background:#0e1229;transform:translateY(-2px);color:#fff}
.btn-line{background:#fff;color:var(--brand);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:var(--gold);color:var(--brand);transform:translateY(-2px)}
/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#121634 0%,#1a1f3d 44%,#2c3468 100%)}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/aece799f3c562fe0.webp') center/cover no-repeat;
 opacity:.22;mix-blend-mode:screen;
}
.cat-hero::after{
 content:"";position:absolute;width:600px;height:600px;right:-200px;top:-240px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 66%);
}
.cat-hero .shell{position:relative;z-index:2;padding-block:58px 62px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:rgba(255,255,255,.55);font-size:13px;margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.7)}
.crumb a:hover{color:#ffd35c}
.crumb span{opacity:.5}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
 color:#ffd35c;font-size:13px;font-weight:700;letter-spacing:.6px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#ffd35c;display:block}
.cat-hero h1{
 margin:20px 0 0;color:#fff;font-weight:800;letter-spacing:-.4px;
 font-size:clamp(27px,3.6vw,44px);line-height:1.28;
}
.cat-hero h1 em{font-style:normal;color:#ffd35c}
.cat-hero .hero-lead{
 margin-top:18px;max-width:760px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.95;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
 margin-top:38px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-facts div b{display:block;color:#ffd35c;font-size:26px;font-weight:800;letter-spacing:-.5px;line-height:1.2}
.hero-facts div span{color:rgba(255,255,255,.62);font-size:13px}
/* ---------- sections ---------- */
.section{padding-block:72px}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head .eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;
 color:#a06e00;background:var(--gold-soft);border:1px solid rgba(255,180,0,.35);
 padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(22px,2.5vw,32px);letter-spacing:-.3px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
/* cards */
.card-soft{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:28px;box-shadow:var(--shadow-sm);
 transition:transform .25s,box-shadow .25s,border-color .25s;
 height:100%;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6dbee}
.card-soft h3{font-size:18.5px;margin-bottom:10px}
.card-soft p{color:var(--muted);font-size:14.8px;line-height:1.85}
.card-soft .icon-chip{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 background:linear-gradient(140deg,#262d5c,#1a1f3d);color:#ffd35c;font-weight:800;font-size:16px;
 margin-bottom:16px;box-shadow:0 8px 18px rgba(26,31,61,.18);
}
.card-media{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.card-media:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-media img{width:100%;height:190px;object-fit:cover}
.card-media .body{padding:22px 24px 26px;flex:1}
.card-media h3{font-size:17.5px;margin-bottom:9px}
.card-media p{color:var(--muted);font-size:14.5px;line-height:1.8}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.3px;
 background:rgba(26,31,61,.06);color:var(--brand-3);border:1px solid rgba(26,31,61,.1);
}
.tag-gold{background:var(--gold-soft);color:#8a5f00;border-color:rgba(255,180,0,.4)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
/* change list */
.change-panel{
 background:linear-gradient(160deg,#1a1f3d 0%,#262d5c 55%,#333c78 100%);
 border-radius:22px;padding:38px;color:#fff;box-shadow:var(--shadow);
 position:relative;overflow:hidden;
}
.change-panel::after{
 content:"";position:absolute;width:420px;height:420px;right:-160px;bottom:-200px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.22),transparent 68%);
}
.change-panel h2{color:#fff;font-size:clamp(21px,2.3vw,28px);position:relative;z-index:2}
.change-panel .lead{color:rgba(255,255,255,.72);margin-top:12px;font-size:15px;position:relative;z-index:2;max-width:640px}
.change-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px;position:relative;z-index:2}
.change-list li{
 display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:14px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
}
.change-list li b{color:#ffd35c;font-size:13px;font-weight:800;min-width:64px;letter-spacing:.5px}
.change-list li span{color:rgba(255,255,255,.82);font-size:14.2px;line-height:1.7}
/* timeline */
.timeline{position:relative;margin-top:8px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,#ffb400,#d9ddf0)}
.timeline li{position:relative;padding:0 0 30px 22px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
 content:"";position:absolute;left:-26px;top:8px;width:16px;height:16px;border-radius:50%;
 background:#fff;border:3px solid #ffb400;box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.timeline h3{font-size:17px;margin-bottom:6px}
.timeline .meta{font-size:12.5px;color:#a06e00;font-weight:700;letter-spacing:.5px;margin-bottom:8px;display:block}
.timeline p{color:var(--muted);font-size:14.6px;line-height:1.85}
/* stat band */
.stat-band{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:32px;box-shadow:var(--shadow-sm);
}
.stat-band div b{display:block;font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-.6px;line-height:1.15}
.stat-band div p{margin-top:6px;color:var(--muted);font-size:13.5px}
/* post list */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:8px}
.post-card{
 display:flex;flex-direction:column;gap:12px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
 box-shadow:var(--shadow-sm);height:100%;
 transition:transform .25s,box-shadow .25s,border-color .25s;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6dbee}
.post-card h3{font-size:16.8px;line-height:1.55}
.post-card p{color:var(--muted);font-size:14.3px;line-height:1.8;flex:1}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:#8a90ab}
.post-more{display:inline-flex;align-items:center;gap:6px;color:#a06e00;font-weight:700;font-size:13.5px}
.post-card:hover .post-more{color:#7a5200}
.empty-note{padding:26px;border-radius:var(--radius);background:#fff;border:1px dashed var(--line);color:var(--muted);text-align:center}
/* faq */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s,box-shadow .22s}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;color:var(--ink);font-size:16px;
 display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:#ffb400;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:14.8px;line-height:1.9}
/* cta */
.cta-band{
 position:relative;overflow:hidden;border-radius:24px;padding:52px 44px;
 background:linear-gradient(135deg,#1a1f3d 0%,#2c3468 62%,#3b4487 100%);
 color:#fff;box-shadow:var(--shadow-lg);
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/d21ce61106187105.webp') center/cover no-repeat;opacity:.16;mix-blend-mode:screen;
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,30px);max-width:620px}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ---------- footer ---------- */
.site-footer{background:#121634;color:rgba(255,255,255,.68);padding-block:58px 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;margin-bottom:16px}
.footer-about{font-size:14.2px;line-height:1.9;color:rgba(255,255,255,.6);max-width:420px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.2px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#ffd35c}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 padding-block:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13.2px;color:rgba(255,255,255,.5);
}
.footer-bottom .dot-sep{opacity:.8}
/* ---------- responsive ---------- */
@media (max-width:1100px){
 .header-inner{flex-wrap:wrap;padding-block:12px;gap:12px;min-height:auto}
 .nav-search{order:3;flex:1 0 100%;max-width:none}
 .main-nav{order:2}
 .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
 .grid-3{grid-template-columns:1fr}
 .grid-2{grid-template-columns:1fr}
 .change-list{grid-template-columns:1fr}
 .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:26px}
 .section{padding-block:54px}
 .cat-hero .shell{padding-block:44px 48px}
 .cta-band{padding:38px 26px}
}
@media (max-width:720px){
 .main-nav{order:3;flex:1 0 100%;margin-left:0;justify-content:flex-start;border-top:1px solid rgba(255,255,255,.08);padding-top:10px}
 .nav-search{order:2}
 .nav-search input{padding-right:96px}
 .nav-search button{padding:0 14px}
 .post-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .hero-actions .btn,.cta-actions .btn{width:100%}
}
@media (max-width:520px){
 .shell{padding:0 16px}
 body{font-size:15.5px}
 .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
 .hero-facts div b{font-size:22px}
 .change-panel{padding:26px 20px}
 .card-soft{padding:22px}
 .stat-band{grid-template-columns:1fr;gap:14px}
 .stat-band div b{font-size:26px}
 .cta-band{border-radius:18px}
 .faq-item summary{padding:16px 18px;font-size:15px}
 .faq-item .faq-body{padding:0 18px 18px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}