/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252c54;
  --ink-line:#333c6b;
  --gold:#ffb400;
  --gold-light:#ffd166;
  --blue:#3b6bff;
  --blue-soft:#e8eeff;
  --bg:#f4f6fc;
  --surface:#ffffff;
  --text:#1b2138;
  --muted:#5f6884;
  --line:#e4e9f5;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 10px 30px rgba(26,31,61,.08);
  --shadow-hover:0 18px 42px rgba(26,31,61,.14);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(26,31,61,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 24px rgba(15,19,40,.28);
}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:18px;min-height:76px;
}
.nav-side{display:flex;align-items:center;gap:6px}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:10px;
  color:#c8cfe8;font-size:15px;font-weight:500;letter-spacing:.2px;
  transition:color .22s ease,background .22s ease,transform .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,180,0,.14);transform:translateY(-1px)}
.nav-link.active{color:var(--gold-light)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-light));
}
.brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:8px 20px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(59,107,255,.16));
  border:1px solid rgba(255,180,0,.32);
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.6px;
  box-shadow:0 6px 18px rgba(0,0,0,.25);
  transition:transform .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.brand:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.22)}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.nav-toggle{
  display:none;align-items:center;gap:8px;justify-self:start;
  padding:8px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  color:#e8ecfb;font-size:14px;
}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.mobile-menu{
  display:none;flex-direction:column;gap:4px;
  padding:10px 24px 20px;border-top:1px solid rgba(255,255,255,.08);
  background:rgba(21,26,52,.99);
}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{display:block;padding:11px 12px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-weight:700;font-size:15.5px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  border:1px solid transparent;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);
  color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-line{
  background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow);
}
.btn-line:hover{border-color:var(--gold);color:#8a6100;transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.32;filter:saturate(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:radial-gradient(circle at 18% 20%,rgba(59,107,255,.42),transparent 55%),
             linear-gradient(140deg,rgba(20,24,48,.94) 0%,rgba(26,31,61,.90) 52%,rgba(36,24,64,.94) 100%);
}
.hero-inner{position:relative;z-index:2;padding:86px 0 74px;max-width:900px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13.5px;letter-spacing:.6px;
  color:var(--gold-light);border:1px solid rgba(255,180,0,.38);
  background:rgba(255,180,0,.10);
}
.hero h1{
  margin:22px 0 16px;
  font-size:clamp(30px,5vw,50px);line-height:1.22;letter-spacing:1px;
  color:#fff;font-weight:800;
  text-shadow:0 6px 28px rgba(0,0,0,.42);
}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero-sub{
  font-size:clamp(16px,2.2vw,20px);color:#c9d2ef;font-weight:600;
  margin-bottom:16px;
}
.hero-lead{
  font-size:16px;color:#aab4d4;max-width:760px;line-height:1.95;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 38px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:26px;
}
.hero-stat b{
  display:block;font-size:clamp(20px,2.6vw,28px);color:var(--gold-light);
  font-weight:800;letter-spacing:.5px;
}
.hero-stat span{font-size:13.5px;color:#98a2c4}

/* ---------- Countdown bar ---------- */
.countdown-bar{
  background:linear-gradient(90deg,#1a1f3d,#2a2160 60%,#1a1f3d);
  border-bottom:1px solid rgba(255,180,0,.24);
  color:#dfe5fb;font-size:14px;
}
.countdown-inner{
  max-width:var(--container);margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.countdown-label{display:inline-flex;align-items:center;gap:8px;color:var(--gold-light);font-weight:700}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--gold);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.32;transform:scale(.8)}}
.countdown-clock{
  font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:2px;
  color:#fff;background:rgba(255,255,255,.10);padding:2px 12px;border-radius:8px;
  border:1px solid rgba(255,255,255,.14);
}
.countdown-note{color:#9aa4c8;margin-left:auto}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section--white{background:var(--surface)}
.section--dark{background:var(--ink);color:#dbe2f7}
.section--dark .eyebrow{color:var(--gold-light)}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:#8a6100;text-transform:uppercase;margin-bottom:12px;
  padding-left:2px;
}
.section h2{
  font-size:clamp(23px,3vw,32px);line-height:1.36;font-weight:800;color:var(--ink);
  letter-spacing:.5px;
}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.section--dark .section-desc{color:#a4aed2}

/* ---------- Grids & Cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d5deef}
.card-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(59,107,255,.14),rgba(255,180,0,.18));
  color:var(--ink);font-weight:800;font-size:18px;margin-bottom:16px;
}
.card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.5}
.card p{font-size:14.8px;color:var(--muted);line-height:1.85}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--blue-soft);color:#2c4bb8;border:1px solid #d5e0ff;
}
.tag-gold{background:rgba(255,180,0,.14);color:#8a6100;border-color:rgba(255,180,0,.34)}
.tag-dark{background:rgba(255,255,255,.08);color:#cfd7f2;border-color:rgba(255,255,255,.16)}

/* ---------- Metrics ---------- */
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease;
}
.metric::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--blue));
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.metric b{
  display:block;font-size:clamp(26px,3.4vw,36px);font-weight:800;color:var(--ink);
  line-height:1.2;letter-spacing:.5px;
}
.metric b span{font-size:16px;color:var(--muted);font-weight:700;margin-left:4px}
.metric small{display:block;margin-top:8px;color:var(--muted);font-size:13.8px;line-height:1.7}

/* ---------- Checklist ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);
  transition:border-color .22s ease,transform .22s ease;
}
.check-item:hover{border-color:rgba(255,180,0,.5);transform:translateY(-2px)}
.check-num{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--gold),var(--gold-light));
  color:#1a1f3d;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.check-item h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:6px}
.check-item p{font-size:14px;color:var(--muted);line-height:1.78}

/* ---------- Badges ---------- */
.badge-wall{display:flex;flex-wrap:wrap;gap:14px}
.badge-item{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  color:#dbe2f7;font-size:14.2px;font-weight:600;
  transition:background .22s ease,transform .22s ease;
}
.badge-item:hover{background:rgba(255,180,0,.14);transform:translateY(-2px)}
.badge-item i{
  width:8px;height:8px;border-radius:50%;background:var(--gold);display:inline-block;font-style:normal;
}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-panel{
  border-radius:var(--radius);padding:28px;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow);
}
.compare-panel.is-good{border-color:rgba(255,180,0,.5);background:linear-gradient(180deg,#fffaf0,#fff)}
.compare-panel h3{font-size:18px;font-weight:800;margin-bottom:18px;color:var(--ink)}
.compare-panel li{
  position:relative;padding-left:24px;margin-bottom:12px;font-size:14.6px;color:var(--muted);line-height:1.8;
}
.compare-panel li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
  background:#c9d2e8;
}
.compare-panel.is-good li::before{background:var(--gold)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:28px}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(59,107,255,.4),transparent);
}
.timeline-item{position:relative;padding-bottom:26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-28px;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.timeline-item h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:6px}
.timeline-item p{font-size:14.4px;color:var(--muted);line-height:1.8}
.timeline-item em{font-style:normal;color:#8a6100;font-weight:700;margin-right:10px;font-size:14px}

/* ---------- Rail ---------- */
.rail-scroll{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail-scroll::-webkit-scrollbar{height:8px}
.rail-scroll::-webkit-scrollbar-thumb{background:#cfd8ee;border-radius:8px}
.rail-card{
  flex:0 0 268px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rail-card img{width:100%;height:150px;object-fit:cover}
.rail-body{padding:16px 18px 20px}
.rail-body h3{font-size:15.5px;font-weight:800;color:var(--ink);margin:8px 0 8px;line-height:1.55}
.rail-body p{font-size:13.8px;color:var(--muted);line-height:1.75}
.rail-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}

/* ---------- News ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:28px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-hover)}
.news-meta{font-size:12.8px;color:#8590ad;letter-spacing:.4px}
.news-title{font-size:16.5px;font-weight:800;color:var(--ink);margin:8px 0 8px;line-height:1.6}
.news-desc{font-size:14.2px;color:var(--muted);line-height:1.8}
.news-side{display:flex;flex-direction:column;gap:14px}
.side-card{
  background:linear-gradient(160deg,#1a1f3d,#2a2f5e);color:#dbe2f7;
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.08);
}
.side-card h3{font-size:16px;color:#fff;font-weight:800;margin-bottom:14px}
.side-mini{
  display:block;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.14);
  transition:color .2s ease;
}
.side-mini:last-child{border-bottom:0}
.side-mini:hover{color:var(--gold-light)}
.side-mini span{display:block;font-size:12.5px;color:#8f9ac0;margin-bottom:4px}
.side-mini strong{font-size:14.2px;font-weight:700;line-height:1.6;color:#e6ebfd}
.empty-tip{color:var(--muted);font-size:14.5px;padding:22px;background:#fff;border-radius:var(--radius);border:1px dashed var(--line)}
.more-line{margin-top:22px}

/* ---------- Guarantee ---------- */
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guarantee-item{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:24px;
  transition:background .22s ease,transform .22s ease;
}
.guarantee-item:hover{background:rgba(255,180,0,.10);transform:translateY(-3px)}
.guarantee-item b{display:block;color:var(--gold-light);font-size:16px;margin-bottom:10px;font-weight:800}
.guarantee-item p{font-size:14.2px;color:#a9b3d6;line-height:1.8}

/* ---------- Voice ---------- */
.voice{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.voice-stars{color:var(--gold);letter-spacing:3px;font-size:14px;margin-bottom:12px}
.voice-item p{font-size:14.6px;color:#414a68;line-height:1.85}
.voice-user{display:flex;align-items:center;gap:10px;margin-top:18px}
.voice-avatar{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#3b6bff,#1a1f3d);color:#fff;font-weight:800;font-size:14px;
}
.voice-user span{font-size:13.5px;color:var(--muted)}

/* ---------- Quick answers ---------- */
.qa-list{display:flex;flex-direction:column;gap:14px}
.qa-item{
  display:grid;grid-template-columns:170px 1fr;gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;box-shadow:var(--shadow);
}
.qa-item b{font-size:15px;color:var(--ink);font-weight:800}
.qa-item p{font-size:14.4px;color:var(--muted);line-height:1.82}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  font-size:15.8px;font-weight:800;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--gold);font-weight:700;line-height:1;flex:0 0 auto;
  transition:transform .2s ease;
}
.faq-item[open] summary{background:#fffaf0;color:#8a6100}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 24px 22px;font-size:14.6px;color:var(--muted);line-height:1.9}

/* ---------- Form ---------- */
.cta-panel{
  background:linear-gradient(135deg,#1a1f3d 0%,#2a2160 58%,#1e2447 100%);
  border-radius:var(--radius-lg);padding:44px;color:#dbe2f7;
  display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
  box-shadow:0 24px 60px rgba(26,31,61,.28);
  border:1px solid rgba(255,255,255,.08);
}
.cta-panel h2{font-size:clamp(22px,2.8vw,30px);color:#fff;line-height:1.4;font-weight:800}
.cta-panel p{margin-top:14px;font-size:15px;color:#a9b3d6;line-height:1.9}
.form-grid{display:grid;gap:14px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field label{font-size:13.5px;color:#9aa4c8;font-weight:600}
.form-field input{
  width:100%;padding:13px 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14.6px;transition:border-color .2s ease,background .2s ease;
}
.form-field input::placeholder{color:#7b86ab}
.form-field input:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.12)}
.form-tip{font-size:13px;color:#8a94ba;line-height:1.7}
.form-msg{font-size:14px;color:var(--gold-light);min-height:20px}

/* ---------- Footer ---------- */
.site-footer{background:#141833;color:#9aa4c8;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.07)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;margin-bottom:36px}
.footer-brand{color:#fff;font-weight:800;font-size:18px;margin-bottom:12px;display:inline-flex;align-items:center;gap:8px}
.footer-text{font-size:14px;line-height:1.9;color:#8f9ac0;max-width:340px}
.footer-col h4{font-size:14.5px;color:#dfe5fb;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:#8f9ac0;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.2px;color:#79839f;
}
.footer-bottom a{color:#98a2c4}
.footer-bottom a:hover{color:var(--gold-light)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-link{padding:8px 10px;font-size:14.2px}
  .brand{font-size:15.5px;padding:7px 14px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .guarantee{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-wrap{grid-template-columns:auto 1fr auto;min-height:66px}
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .brand{justify-self:center;font-size:15px;padding:7px 14px}
  .hero-inner{padding:60px 0 52px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px}
  .grid-3{grid-template-columns:1fr 1fr}
  .compare{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .voice{grid-template-columns:1fr}
  .qa-item{grid-template-columns:1fr;gap:8px}
  .section{padding:58px 0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-wrap{padding:0 16px}
  .countdown-inner{padding:10px 16px;font-size:13px}
  .countdown-note{margin-left:0;width:100%}
  .hero h1{font-size:26px}
  .hero-lead{font-size:14.8px}
  .hero-actions .btn{flex:1 1 100%}
  .grid-2,.grid-3,.grid-4,.guarantee{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .metric b{font-size:26px}
  .cta-panel{padding:26px 20px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .rail-card{flex:0 0 82%}
  .section h2{font-size:22px}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-item .faq-body{padding:0 18px 18px}
}

/* roulang page: article */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252c54;
  --ink-line:#333c6b;
  --gold:#ffb400;
  --gold-light:#ffd166;
  --blue:#3b6bff;
  --blue-soft:#e8eeff;
  --bg:#f4f6fc;
  --surface:#ffffff;
  --text:#1b2138;
  --muted:#5f6884;
  --line:#e4e9f5;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 10px 30px rgba(26,31,61,.08);
  --shadow-hover:0 18px 42px rgba(26,31,61,.14);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:20px}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(26,31,61,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 24px rgba(15,19,40,.28);
}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:18px;min-height:76px;
}
.nav-side{display:flex;align-items:center;gap:6px}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:10px;
  color:#c8cfe8;font-size:15px;font-weight:500;letter-spacing:.2px;
  transition:color .22s ease,background .22s ease,transform .22s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,180,0,.14);transform:translateY(-1px)}
.nav-link.active{color:var(--gold-light)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-light));
}
.brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:8px 20px;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(59,107,255,.16));
  border:1px solid rgba(255,180,0,.32);
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.6px;
  box-shadow:0 6px 18px rgba(0,0,0,.25);
  transition:transform .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.brand:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.22)}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.nav-toggle{
  display:none;align-items:center;gap:8px;justify-self:start;
  padding:8px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  color:#e8ecfb;font-size:14px;
}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.mobile-menu{
  display:none;flex-direction:column;gap:4px;
  padding:10px 24px 20px;border-top:1px solid rgba(255,255,255,.08);
  background:rgba(21,26,52,.99);
}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{display:block;padding:11px 12px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-weight:700;font-size:15.5px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);
  color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow)}
.btn-line:hover{border-color:var(--gold);color:#8a6100;transform:translateY(-2px)}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section--white{background:var(--surface)}
.section--soft{background:linear-gradient(180deg,#f7f9ff 0%,#eef2fc 100%)}
.section--dark{background:var(--ink);color:#dbe2f7}
.section--dark .eyebrow{color:var(--gold-light)}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:780px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:#8a6100;text-transform:uppercase;margin-bottom:12px;padding-left:2px;
}
.section h2{font-size:clamp(23px,3vw,32px);line-height:1.36;font-weight:800;color:var(--ink);letter-spacing:.5px}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.section--dark .section-desc{color:#a4aed2}

/* ---------- Ticker ---------- */
.ticker{background:linear-gradient(90deg,#ffb400 0%,#ffd166 100%);color:#221a00}
.ticker-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:11px 0;font-size:14px;font-weight:700;flex-wrap:wrap;
}
.ticker-label{display:inline-flex;align-items:center;gap:8px;letter-spacing:.4px}
.ticker-label::before{content:"";width:8px;height:8px;border-radius:50%;background:#1a1f3d;box-shadow:0 0 0 4px rgba(26,31,61,.14)}
.cd{font-variant-numeric:tabular-nums;letter-spacing:1.4px;background:#1a1f3d;color:var(--gold-light);padding:4px 14px;border-radius:8px;font-weight:800}

/* ---------- Article Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;filter:saturate(1.05)}
.hero-veil{
  position:absolute;inset:0;
  background:radial-gradient(circle at 16% 18%,rgba(59,107,255,.42),transparent 55%),
             linear-gradient(140deg,rgba(18,22,44,.95) 0%,rgba(26,31,61,.92) 54%,rgba(38,26,66,.95) 100%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.28fr .72fr;gap:44px;align-items:center;
  padding:56px 0 64px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#98a2c4}
.breadcrumb a:hover{color:var(--gold-light)}
.breadcrumb span.sep{opacity:.5}
.chip{
  display:inline-flex;align-items:center;gap:7px;margin-top:18px;
  padding:6px 15px;border-radius:999px;font-size:13px;letter-spacing:.5px;
  color:var(--gold-light);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.38);
}
.article-title{
  margin:16px 0 16px;color:#fff;font-weight:800;letter-spacing:.6px;
  font-size:clamp(26px,3.6vw,42px);line-height:1.3;
  text-shadow:0 6px 28px rgba(0,0,0,.42);
}
.article-lead{color:#b9c3e2;font-size:16px;line-height:1.95;max-width:660px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:22px;font-size:13.5px;color:#9aa4c6}
.article-meta b{color:#e6ebff;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:24px;margin-top:30px;
  position:relative;z-index:2;
}
.hero-stat b{display:block;font-size:clamp(19px,2.4vw,27px);color:var(--gold-light);font-weight:800;letter-spacing:.5px}
.hero-stat span{font-size:13px;color:#98a2c4}
.cover-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 22px 50px rgba(0,0,0,.42);
}
.cover-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cover-body{padding:16px 18px 20px}
.cover-body h3{color:#fff;font-size:16px;font-weight:700;margin-bottom:6px}
.cover-body p{color:#a9b3d4;font-size:13.5px;line-height:1.8}
.cover-tag{
  display:inline-block;margin-top:12px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;color:#221a00;background:linear-gradient(135deg,var(--gold),var(--gold-light));font-weight:700;
}

/* ---------- Article body ---------- */
.article-shell{max-width:860px;margin:0 auto}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px 44px;box-shadow:var(--shadow)}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);line-height:1.45;color:var(--ink);
  margin:34px 0 14px;padding-left:14px;position:relative;font-weight:800;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--gold),var(--gold-light));
}
.article-body h3{font-size:18px;color:var(--ink-soft);margin:26px 0 12px;font-weight:700}
.article-body p{margin:0 0 18px;color:#333c58;line-height:1.95}
.article-body ul,.article-body ol{margin:0 0 18px;color:#333c58}
.article-body li{margin-bottom:8px;line-height:1.9}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:#2a52cc;border-bottom:1px dashed rgba(42,82,204,.45)}
.article-body a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.article-body img{border-radius:var(--radius);margin:24px 0;box-shadow:var(--shadow)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:4px solid var(--gold);
  background:#fff9ea;border-radius:0 var(--radius) var(--radius) 0;color:#6b5320;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;background:#fff}
.article-body th{background:#f0f3fb;color:var(--ink);text-align:left;padding:12px 14px;border:1px solid var(--line);font-weight:700}
.article-body td{padding:12px 14px;border:1px solid var(--line);color:#3a4460}
.article-empty{text-align:center;padding:34px 10px}
.article-empty h2{font-size:24px;color:var(--ink);margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:24px}

/* ---------- Stat cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.48)}
.info-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-bottom:16px;
  background:linear-gradient(135deg,var(--ink),var(--ink-line));
  color:var(--gold-light);font-weight:800;font-size:17px;
}
.info-card h3{font-size:17.5px;color:var(--ink);margin-bottom:10px;font-weight:800}
.info-card p{color:var(--muted);font-size:14.7px;line-height:1.9}
.info-card .tag{
  display:inline-block;margin-top:14px;padding:4px 11px;border-radius:999px;
  background:var(--blue-soft);color:#26418f;font-size:12.5px;font-weight:700;
}

/* ---------- Compare table ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
}
table.cmp{width:100%;border-collapse:collapse;min-width:680px}
table.cmp thead th{
  background:linear-gradient(180deg,#20264a,#1a1f3d);color:#fff;
  text-align:left;padding:15px 20px;font-size:14px;font-weight:700;letter-spacing:.4px;white-space:nowrap;
}
table.cmp tbody td{padding:15px 20px;border-bottom:1px solid var(--line);font-size:14.6px;color:#3a4460;vertical-align:top}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:#fafbff}
table.cmp tbody td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:700}
.pill-gold{background:#fff3d4;color:#8a6100}
.pill-blue{background:var(--blue-soft);color:#26418f}
.pill-red{background:#ffe9e6;color:#a8331f}

/* ---------- Timeline ---------- */
.timeline{display:grid;gap:18px}
.tl-item{
  display:grid;grid-template-columns:60px 1fr;gap:20px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease;
}
.tl-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover)}
.tl-num{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--ink),var(--ink-line));color:var(--gold-light);
  font-weight:800;font-size:16px;letter-spacing:.5px;
}
.tl-item h3{font-size:17px;color:var(--ink);margin-bottom:8px;font-weight:800}
.tl-item p{color:var(--muted);font-size:14.7px;line-height:1.9}

/* ---------- Pitfalls ---------- */
.pit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px}
.pit-item{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);
  border-left:3px solid var(--gold);border-radius:12px;padding:20px 22px;
  transition:background .24s ease,transform .24s ease;
}
.pit-item:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.pit-item h3{font-size:16.5px;margin-bottom:8px;font-weight:800}
.pit-item p{color:#a9b3d4;font-size:14.5px;line-height:1.9}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 24px;font-weight:700;color:var(--ink);
  font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#f0f3fb;color:#4a5478;font-weight:800;font-size:16px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item summary:hover{color:#8a6100;background:#fffdf6}
.faq-item[open] summary{color:#8a6100}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--gold);color:#221a00}
.faq-body{padding:0 24px 20px;color:var(--muted);font-size:14.8px;line-height:1.92}

/* ---------- Channel grid ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.55)}
.channel-card .ch-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:#fff3d4;color:#8a6100;margin-bottom:14px;
}
.channel-card h3{font-size:17.5px;color:var(--ink);margin-bottom:10px;font-weight:800}
.channel-card p{color:var(--muted);font-size:14.6px;line-height:1.9}
.channel-card .ch-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:#2a52cc}
.channel-card:hover .ch-more{color:#8a6100}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,#1a1f3d 0%,#2b2450 58%,#3a2a5f 100%);
  border-radius:22px;padding:44px 46px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:26px;
  box-shadow:0 24px 54px rgba(26,31,61,.28);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,28px);font-weight:800;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{color:#b3bde0;font-size:15px;max-width:620px;position:relative;z-index:2}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#a9b3d4;padding:60px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{
  display:inline-flex;align-items:center;gap:9px;color:#fff;font-weight:800;
  font-size:17px;letter-spacing:.5px;margin-bottom:14px;
}
.footer-text{font-size:14px;line-height:1.9;color:#98a2c4;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.footer-col a{display:block;font-size:14px;color:#9aa4c6;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#8b95b8;
}
.footer-bottom a{color:#b9c3e2}
.footer-bottom a:hover{color:var(--gold-light)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:44px 0 52px}
  .cover-card{max-width:520px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-body{padding:32px 28px}
}
@media (max-width:900px){
  .nav-wrap{grid-template-columns:auto 1fr;min-height:66px}
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .brand{justify-self:end;font-size:15px;padding:7px 14px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .grid-3,.grid-2,.channel-grid,.pit-list{grid-template-columns:1fr}
  .cta-band{padding:32px 26px}
  .article-body{padding:26px 20px}
  .article-body h2{margin-top:28px}
  .tl-item{grid-template-columns:1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-text{max-width:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-wrap{padding:0 16px}
  .mobile-menu{padding:10px 16px 18px}
  body{font-size:15.5px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .ticker-inner{font-size:13px}
  .article-body{padding:22px 16px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  .cta-band{padding:28px 20px}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252c54;
 --ink-line:#333c6b;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --blue:#3b6bff;
 --blue-soft:#e8eeff;
 --bg:#f4f6fc;
 --surface:#ffffff;
 --text:#1b2138;
 --muted:#5f6884;
 --line:#e4e9f5;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 10px 30px rgba(26,31,61,.08);
 --shadow-hover:0 18px 42px rgba(26,31,61,.14);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{list-style:none;padding:0}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- Header / Nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(26,31,61,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 6px 24px rgba(15,19,40,.28);
}
.nav-wrap{
 max-width:var(--container);margin:0 auto;padding:0 24px;
 display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
 gap:18px;min-height:76px;
}
.nav-side{display:flex;align-items:center;gap:6px}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.nav-link{
 position:relative;display:inline-block;padding:9px 14px;border-radius:10px;
 color:#c8cfe8;font-size:15px;font-weight:500;letter-spacing:.2px;
 transition:color .22s ease,background .22s ease,transform .22s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,180,0,.14);transform:translateY(-1px)}
.nav-link:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-link.active{color:var(--gold-light)}
.nav-link.active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
 border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-light));
}
.brand{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:8px 20px;border-radius:14px;
 background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(59,107,255,.16));
 border:1px solid rgba(255,180,0,.32);
 color:#fff;font-weight:800;font-size:17px;letter-spacing:.6px;
 box-shadow:0 6px 18px rgba(0,0,0,.25);
 transition:transform .22s ease,box-shadow .22s ease;
 white-space:nowrap;
}
.brand:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.22)}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.nav-toggle{
 display:none;align-items:center;gap:8px;justify-self:start;
 padding:8px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
 color:#e8ecfb;font-size:14px;
}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.mobile-menu{
 display:none;flex-direction:column;gap:4px;
 padding:10px 24px 20px;border-top:1px solid rgba(255,255,255,.08);
 background:rgba(21,26,52,.99);
}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{display:block;padding:11px 12px}
/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:12px;font-weight:700;font-size:15.5px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 border:1px solid transparent;
}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.btn-gold{
 background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);
 color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
 background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-line{
 background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow);
}
.btn-line:hover{border-color:var(--gold);color:#8a6100;transform:translateY(-2px)}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink)}
.hero-bg{
 position:absolute;inset:0;background-size:cover;background-position:center;
 opacity:.32;filter:saturate(1.05);
}
.hero-veil{
 position:absolute;inset:0;
 background:radial-gradient(circle at 18% 20%,rgba(59,107,255,.42),transparent 55%),
 linear-gradient(140deg,rgba(20,24,48,.94) 0%,rgba(26,31,61,.90) 52%,rgba(36,24,64,.94) 100%);
}
.hero-inner{position:relative;z-index:2;padding:86px 0 74px;max-width:900px}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;font-size:13.5px;letter-spacing:.6px;
 color:var(--gold-light);border:1px solid rgba(255,180,0,.38);
 background:rgba(255,180,0,.10);
}
.hero h1{
 margin:22px 0 16px;
 font-size:clamp(30px,5vw,50px);line-height:1.22;letter-spacing:1px;
 color:#fff;font-weight:800;
 text-shadow:0 6px 28px rgba(0,0,0,.42);
}
.hero-sub{
 font-size:clamp(16px,2.2vw,20px);color:#c9d2ef;font-weight:600;
 margin-bottom:16px;
}
.hero-lead{
 font-size:16px;color:#aab4d4;max-width:760px;line-height:1.95;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 38px}
/* ---------- Profile Hero ---------- */
.hero--profile .hero-inner{max-width:100%;padding:60px 0 56px}
.profile-card{display:grid;grid-template-columns:auto 1fr auto;gap:30px;align-items:center}
.profile-avatar{
 width:116px;height:116px;border-radius:50%;overflow:hidden;
 border:3px solid rgba(255,180,0,.55);box-shadow:0 14px 34px rgba(0,0,0,.38);
 flex:none;
}
.profile-avatar img{width:100%;height:100%;object-fit:cover}
.profile-main h1{margin:16px 0 12px}
.profile-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.profile-side{display:flex;flex-direction:column;gap:10px;min-width:208px}
.badge-chip{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:11px 16px;border-radius:12px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 color:#dfe5f8;font-size:14px;
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.badge-chip b{color:var(--gold-light);font-size:16px;letter-spacing:.4px}
.badge-chip:hover{background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.42);transform:translateY(-2px)}
/* ---------- Sections ---------- */
.section{padding:76px 0}
.section--white{background:var(--surface)}
.section--dark{background:var(--ink);color:#dbe2f7}
.section--dark .eyebrow{color:var(--gold-light)}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:780px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
 color:#8a6100;text-transform:uppercase;margin-bottom:12px;
 padding-left:2px;
}
.section h2{
 font-size:clamp(23px,3vw,32px);line-height:1.36;font-weight:800;color:var(--ink);
 letter-spacing:.5px;
}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.section--dark .section-desc{color:#a4aed2}
/* ---------- Grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
/* ---------- Stat Cards ---------- */
.stat-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.45)}
.stat-card .stat-num{
 display:block;font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--ink);
 letter-spacing:.5px;line-height:1.2;
}
.stat-card .stat-num small{font-size:15px;font-weight:700;color:var(--muted);margin-left:4px}
.stat-card .stat-label{display:block;margin-top:8px;font-size:14px;color:var(--muted)}
.stat-card .stat-note{
 margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);
 font-size:13.5px;color:#6b7characters;
}
.stat-card .stat-note{color:#6b748f}
/* ---------- Stage Cards ---------- */
.stage-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
 transition:transform .22s ease,box-shadow .22s ease;
}
.stage-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.stage-media{position:relative;height:168px;overflow:hidden;background:var(--ink-soft)}
.stage-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.stage-card:hover .stage-media img{transform:scale(1.06)}
.stage-media .stage-index{
 position:absolute;left:14px;top:14px;padding:4px 12px;border-radius:999px;
 background:rgba(26,31,61,.82);color:var(--gold-light);font-size:12.5px;font-weight:700;
 letter-spacing:1px;border:1px solid rgba(255,180,0,.35);
}
.stage-body{padding:20px 22px 24px}
.stage-body h3{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.3px}
.stage-body p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85}
.stage-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
 display:inline-block;padding:4px 11px;border-radius:999px;
 background:var(--blue-soft);color:#28479c;font-size:12.5px;font-weight:600;
}
.tag-gold{background:rgba(255,180,0,.16);color:#8a6100}
/* ---------- Compare ---------- */
.compare-list{display:flex;flex-direction:column;gap:20px}
.compare-row{
 display:grid;grid-template-columns:170px 1fr 96px;align-items:center;gap:18px;
 padding:18px 22px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow);
 transition:border-color .22s ease,transform .22s ease;
}
.compare-row:hover{border-color:rgba(59,107,255,.45);transform:translateX(4px)}
.compare-name{font-weight:700;color:var(--ink);font-size:15.5px}
.compare-name span{display:block;font-size:12.5px;font-weight:500;color:var(--muted)}
.bar{height:12px;border-radius:999px;background:var(--blue-soft);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),#7d95ff)}
.bar.gold i{background:linear-gradient(90deg,var(--gold),var(--gold-light))}
.compare-value{text-align:right;font-weight:800;color:var(--ink);font-size:16px}
.compare-value small{display:block;font-size:12px;font-weight:500;color:var(--muted)}
/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:30px;border-left:2px dashed rgba(255,180,0,.42)}
.timeline li{position:relative;padding:0 0 30px 4px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
 content:"";position:absolute;left:-39px;top:8px;width:14px;height:14px;border-radius:50%;
 background:var(--gold);box-shadow:0 0 0 5px rgba(255,180,0,.18);
}
.timeline b{display:block;color:#fff;font-size:17px;letter-spacing:.4px}
.timeline .tl-time{display:block;font-size:13px;color:var(--gold-light);letter-spacing:1px;margin-bottom:6px}
.timeline p{color:#a4aed2;font-size:14.5px;line-height:1.85;margin-top:6px}
/* ---------- CMS Post List ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
 display:flex;flex-direction:column;gap:12px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.45)}
.post-card h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.5}
.post-card p{font-size:14.5px;color:var(--muted);line-height:1.85;flex:1}
.post-meta{
 display:flex;justify-content:space-between;gap:12px;padding-top:12px;
 border-top:1px dashed var(--line);font-size:12.5px;color:#7d87a2;
}
.empty-tip{
 padding:34px 22px;text-align:center;color:var(--muted);
 background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
}
/* ---------- Guard Cards ---------- */
.guard-item{
 display:flex;gap:16px;align-items:flex-start;padding:22px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius);transition:background .22s ease,border-color .22s ease;
}
.guard-item:hover{background:rgba(255,180,0,.10);border-color:rgba(255,180,0,.38)}
.guard-icon{
 flex:none;width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#1a1f3d;font-weight:800;font-size:16px;
}
.guard-item h3{font-size:16.5px;color:#fff;font-weight:700}
.guard-item p{margin-top:8px;font-size:14px;color:#a4aed2;line-height:1.85}
/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;transition:border-color .22s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.5)}
.faq-item summary{
 display:flex;justify-content:space-between;align-items:center;gap:16px;
 padding:18px 22px;font-weight:700;color:var(--ink);font-size:16px;cursor:pointer;
 list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";color:var(--gold);font-size:22px;line-height:1;font-weight:700;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.9}
/* ---------- Form ---------- */
.form-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:34px;box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{
 width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
 background:#fbfcff;color:var(--text);font-size:15px;
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);background:#fff;
 box-shadow:0 0 0 3px rgba(255,180,0,.18);
}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px}
.form-note{font-size:13.5px;color:var(--muted);line-height:1.8}
.form-note.is-ok{color:#1f7a44;font-weight:600}
/* ---------- CTA Band ---------- */
.cta-band{
 display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap;
 background:linear-gradient(135deg,var(--ink) 0%,#2b2350 100%);
 border:1px solid rgba(255,180,0,.28);border-radius:var(--radius-lg);
 padding:36px 38px;box-shadow:0 20px 46px rgba(26,31,61,.24);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,27px);font-weight:800;letter-spacing:.5px}
.cta-band p{margin-top:10px;color:#aab4d4;font-size:15px;max-width:640px;line-height:1.85}
/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#aab4d4;padding:64px 0 28px;border-top:3px solid var(--gold)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer-brand{
 display:inline-flex;align-items:center;gap:9px;color:#fff;font-weight:800;
 font-size:18px;letter-spacing:.5px;margin-bottom:14px;
}
.footer-text{font-size:14.5px;line-height:1.9;color:#98a2c4;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{display:block;padding:6px 0;color:#9aa4c6;font-size:14.5px;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 border-top:1px solid rgba(255,255,255,.10);margin-top:44px;padding-top:22px;
 font-size:13.5px;color:#7d87a8;
}
.footer-bottom a{color:#9aa4c6}
.footer-bottom a:hover{color:var(--gold-light)}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .profile-card{grid-template-columns:auto 1fr;gap:24px}
 .profile-side{grid-column:1 / -1;flex-direction:row;flex-wrap:wrap}
 .badge-chip{flex:1 1 180px}
 .compare-row{grid-template-columns:140px 1fr 86px}
}
@media (max-width:900px){
 .nav-wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;min-height:64px;padding:12px 20px}
 .nav-side{display:none}
 .nav-toggle{display:inline-flex}
 .brand{font-size:15.5px;padding:7px 14px}
 .section{padding:58px 0}
 .hero--profile .hero-inner{padding:44px 0 46px}
}
@media (max-width:768px){
 .grid-2,.grid-3,.grid-4,.post-grid{grid-template-columns:1fr}
 .profile-card{grid-template-columns:1fr;text-align:left}
 .profile-avatar{width:88px;height:88px}
 .profile-side{flex-direction:column}
 .compare-row{grid-template-columns:1fr;gap:10px}
 .compare-value{text-align:left}
 .form-grid{grid-template-columns:1fr}
 .form-card{padding:24px 20px}
 .cta-band{padding:28px 22px}
 .footer-grid{grid-template-columns:1fr}
 .footer-text{max-width:none}
 .container{padding:0 18px}
}
@media (max-width:520px){
 .hero h1{font-size:27px;letter-spacing:.5px}
 .hero-sub{font-size:15.5px}
 .hero-lead{font-size:14.5px}
 .btn{width:100%;padding:12px 18px}
 .profile-actions{flex-direction:column;align-items:stretch}
 .stat-card{padding:20px 18px}
 .section{padding:46px 0}
 .timeline{padding-left:22px}
 .timeline li::before{left:-31px}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252c54;
 --ink-line:#333c6b;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --blue:#3b6bff;
 --blue-soft:#e8eeff;
 --bg:#f4f6fc;
 --surface:#ffffff;
 --text:#1b2138;
 --muted:#5f6884;
 --line:#e4e9f5;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 10px 30px rgba(26,31,61,.08);
 --shadow-hover:0 18px 42px rgba(26,31,61,.14);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ Header / Nav ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(26,31,61,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 6px 24px rgba(15,19,40,.28);
}
.nav-wrap{
 max-width:var(--container);margin:0 auto;padding:0 24px;
 display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
 gap:18px;min-height:76px;
}
.nav-side{display:flex;align-items:center;gap:6px}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.nav-link{
 position:relative;display:inline-block;padding:9px 14px;border-radius:10px;
 color:#c8cfe8;font-size:15px;font-weight:500;letter-spacing:.2px;
 transition:color .22s ease,background .22s ease,transform .22s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,180,0,.14);transform:translateY(-1px)}
.nav-link.active{color:var(--gold-light)}
.nav-link.active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
 border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-light));
}
.brand{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:8px 20px;border-radius:14px;
 background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(59,107,255,.16));
 border:1px solid rgba(255,180,0,.32);
 color:#fff;font-weight:800;font-size:17px;letter-spacing:.6px;
 box-shadow:0 6px 18px rgba(0,0,0,.25);
 transition:transform .22s ease,box-shadow .22s ease;
 white-space:nowrap;
}
.brand:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.22)}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.nav-toggle{
 display:none;align-items:center;gap:8px;justify-self:start;
 padding:8px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
 color:#e8ecfb;font-size:14px;transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.mobile-menu{
 display:none;flex-direction:column;gap:4px;
 padding:10px 24px 20px;border-top:1px solid rgba(255,255,255,.08);
 background:rgba(21,26,52,.99);
}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{display:block;padding:11px 12px}

/* ============ Buttons ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:12px;font-weight:700;font-size:15.5px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
 border:1px solid transparent;
}
.btn-gold{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow)}
.btn-line:hover{border-color:var(--gold);color:#8a6100;transform:translateY(-2px)}

/* ============ Category Hero ============ */
.hero-cat{position:relative;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;filter:saturate(1.05)}
.hero-veil{
 position:absolute;inset:0;
 background:radial-gradient(circle at 82% 18%,rgba(255,180,0,.20),transparent 52%),
 radial-gradient(circle at 12% 76%,rgba(59,107,255,.34),transparent 58%),
 linear-gradient(135deg,rgba(19,23,46,.95) 0%,rgba(26,31,61,.92) 58%,rgba(35,26,66,.95) 100%);
}
.hero-grid{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.25fr .85fr;gap:48px;align-items:center;
 padding:72px 0 76px;
}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;font-size:13.5px;letter-spacing:.6px;
 color:var(--gold-light);border:1px solid rgba(255,180,0,.38);
 background:rgba(255,180,0,.10);
}
.hero-cat h1{
 margin:20px 0 16px;
 font-size:clamp(28px,3.7vw,44px);line-height:1.26;letter-spacing:.6px;
 color:#fff;font-weight:800;text-shadow:0 6px 28px rgba(0,0,0,.42);
}
.hero-cat h1 em{font-style:normal;color:var(--gold)}
.hero-sub{font-size:clamp(15.5px,1.9vw,19px);color:#c9d2ef;font-weight:600;margin-bottom:14px;line-height:1.7}
.hero-lead{font-size:15.5px;color:#a9b3d3;line-height:1.95;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
 display:inline-block;padding:6px 14px;border-radius:999px;font-size:13px;
 color:#c3cdea;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 transition:background .2s ease,color .2s ease;
}
.tag:hover{background:rgba(255,180,0,.16);color:var(--gold-light)}

/* Hero right panel */
.level-panel{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:26px 24px 24px;
 box-shadow:0 22px 50px rgba(8,11,26,.42);
 backdrop-filter:blur(4px);
}
.panel-title{
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 font-size:14px;color:#aeb8d8;letter-spacing:.5px;margin-bottom:14px;
}
.panel-title span:last-child{color:var(--gold-light);font-weight:700}
.ring-wrap{position:relative;width:150px;height:150px;margin:2px auto 16px}
.ring{width:150px;height:150px;display:block}
.ring-center{
 position:absolute;inset:0;display:flex;flex-direction:column;
 align-items:center;justify-content:center;text-align:center;
}
.ring-center b{font-size:26px;color:#fff;font-weight:800;letter-spacing:.5px}
.ring-center small{font-size:12px;color:#9aa5c8;letter-spacing:1px}
.panel-list{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.panel-list li{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:10px 12px;border-radius:10px;
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
 font-size:13.5px;color:#b7c0dd;
}
.panel-list b{color:var(--gold-light);font-weight:700;font-size:14px}

/* ============ Sections ============ */
.section{padding:76px 0}
.section--white{background:var(--surface)}
.section--alt{background:linear-gradient(180deg,#f4f6fc 0%,#eef2fb 100%)}
.section--dark{background:var(--ink);color:#dbe2f7}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark .section-desc{color:#a4aed2}
.section-head{max-width:780px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;
 color:#8a6100;margin-bottom:12px;padding:4px 12px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.28);
}
.section--dark .eyebrow{color:var(--gold-light);background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.32)}
.section h2{font-size:clamp(22px,2.9vw,31px);line-height:1.38;font-weight:800;color:var(--ink);letter-spacing:.4px}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.92}

/* ============ Stat board ============ */
.stat-board{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.5)}
.stat-card b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--ink);letter-spacing:.5px;line-height:1.2}
.stat-card b i{font-style:normal;font-size:14px;color:var(--muted);font-weight:600;margin-left:4px}
.stat-card span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}
.stat-card .bar{height:5px;border-radius:99px;background:#eef1f9;margin-top:14px;overflow:hidden}
.stat-card .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold),var(--gold-light))}

/* ============ Stage cards ============ */
.stage-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.stage-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
 display:flex;flex-direction:column;
}
.stage-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(59,107,255,.3)}
.stage-media{position:relative;height:172px;overflow:hidden;background:#dfe5f5}
.stage-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.stage-card:hover .stage-media img{transform:scale(1.06)}
.stage-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,25,50,.06),rgba(20,25,50,.62))}
.stage-no{
 position:absolute;top:14px;left:14px;z-index:2;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.6px;
 color:#1a1f3d;background:linear-gradient(135deg,var(--gold),var(--gold-light));
 box-shadow:0 6px 16px rgba(255,180,0,.32);
}
.stage-cap{
 position:absolute;bottom:14px;left:16px;right:16px;z-index:2;
 color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px;text-shadow:0 3px 14px rgba(0,0,0,.5);
}
.stage-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.stage-body p{font-size:14.8px;color:var(--muted);line-height:1.9}
.stage-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.chip{
 display:inline-block;padding:5px 12px;border-radius:8px;font-size:12.5px;font-weight:600;
 color:#2b3a6b;background:var(--blue-soft);border:1px solid #d6e0ff;
}
.chip--gold{color:#8a6100;background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.34)}

/* ============ Nodes ============ */
.node-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.node-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow);position:relative;overflow:hidden;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.node-card::before{
 content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
 background:linear-gradient(180deg,var(--gold),rgba(255,180,0,0));
}
.node-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.45)}
.node-card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:10px;letter-spacing:.3px}
.node-card p{font-size:14.8px;color:var(--muted);line-height:1.9}
.node-card .fix{
 display:block;margin-top:14px;padding:10px 12px;border-radius:10px;
 background:var(--blue-soft);font-size:13.6px;color:#2b3a6b;line-height:1.7;
}

/* ============ Compare ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.compare-card{
 border-radius:var(--radius-lg);padding:28px 26px;border:1px solid var(--line);
 background:var(--surface);box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.compare-card.is-good{border-color:rgba(255,180,0,.55);background:linear-gradient(180deg,#fffdf5 0%,#ffffff 62%)}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.compare-head h3{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.3px}
.verdict{
 font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
 color:#7a5200;background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.36);
}
.verdict--muted{color:#5f6884;background:#eef1f9;border-color:#dde3f2}
.compare-list li{
 display:flex;gap:10px;font-size:14.8px;color:var(--muted);line-height:1.85;
 padding:9px 0;border-bottom:1px dashed var(--line);
}
.compare-list li:last-child{border-bottom:0}
.compare-list li span{flex:0 0 20px;color:var(--gold);font-weight:800}
.compare-foot{margin-top:16px;font-size:14px;color:var(--ink);font-weight:700}

/* ============ Timeline ============ */
.milestone-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mile-card{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:24px 20px;
 transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.mile-card:hover{transform:translateY(-4px);background:rgba(255,180,0,.10);border-color:rgba(255,180,0,.42)}
.mile-step{font-size:12.5px;letter-spacing:1.6px;color:var(--gold-light);font-weight:700}
.mile-card b{display:block;margin:10px 0 8px;font-size:22px;color:#fff;font-weight:800;letter-spacing:.5px}
.mile-card p{font-size:13.8px;color:#a9b3d3;line-height:1.85}
.mile-bar{height:5px;border-radius:99px;background:rgba(255,255,255,.14);margin-top:16px;overflow:hidden}
.mile-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold),var(--gold-light))}

/* ============ Posts ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
 display:flex;flex-direction:column;gap:12px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(59,107,255,.32)}
.post-cat{
 align-self:flex-start;font-size:12.5px;font-weight:700;padding:4px 11px;border-radius:8px;
 color:#8a6100;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);
}
.post-card h3{font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.6;letter-spacing:.2px}
.post-card:hover h3{color:#2b3a6b}
.post-card p{font-size:14.2px;color:var(--muted);line-height:1.86;flex:1}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.8px;color:#8b93ad;padding-top:10px;border-top:1px dashed var(--line)}
.empty-note{
 padding:26px 22px;border-radius:var(--radius);border:1px dashed var(--line);
 background:var(--surface);color:var(--muted);font-size:14.5px;
}

/* ============ Assure ============ */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.assure-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease;
}
.assure-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.assure-ico{
 width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(59,107,255,.18));
 border:1px solid rgba(255,180,0,.3);margin-bottom:14px;color:#8a6100;font-weight:800;
}
.assure-card h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:8px}
.assure-card p{font-size:14.2px;color:var(--muted);line-height:1.86}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,180,0,.45)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;
 font-size:16px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 transition:color .2s ease,background .2s ease;
}
.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 .24s ease;
}
.faq-item[open] summary{color:#8a6100;background:#fffdf5}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.92}

/* ============ Form ============ */
.form-wrap{
 display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:40px 38px;box-shadow:var(--shadow);
}
.form-copy h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;color:var(--ink);line-height:1.4}
.form-copy p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.92}
.form-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.feedback-form{display:grid;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;font-weight:700;color:#3a4468;letter-spacing:.2px}
.field input,.field select,.field textarea{
 width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);
 background:#fbfcff;color:var(--text);font-size:14.6px;font-family:inherit;
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);background:#fff;
 box-shadow:0 0 0 3px rgba(255,180,0,.18);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px}
.form-note{font-size:13.2px;color:var(--muted);line-height:1.7}

/* ============ Footer ============ */
.site-footer{background:var(--ink);color:#aab4d4;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px}
.footer-brand{
 display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:800;
 font-size:18px;letter-spacing:.5px;margin-bottom:14px;
 transition:color .2s ease;
}
.footer-brand:hover{color:var(--gold-light)}
.footer-text{font-size:14px;line-height:1.92;color:#98a2c4;max-width:380px}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin:0 0 14px;letter-spacing:.4px}
.footer-col a{
 display:block;font-size:14px;color:#98a2c4;padding:5px 0;
 transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:20px;
 display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:#7d88ad;
}
.footer-bottom a{color:#b9c2e0;border-bottom:1px dotted rgba(185,194,224,.45)}
.footer-bottom a:hover{color:var(--gold-light)}

/* ============ Responsive ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;padding:58px 0 62px}
 .level-panel{max-width:520px}
 .stat-board{grid-template-columns:repeat(2,1fr)}
 .milestone-row{grid-template-columns:repeat(2,1fr)}
 .assure-grid{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
 .form-wrap{grid-template-columns:1fr;padding:32px 26px}
}
@media (max-width:900px){
 .nav-wrap{grid-template-columns:auto 1fr auto;min-height:66px;gap:10px}
 .nav-side{display:none}
 .nav-toggle{display:inline-flex}
 .brand{font-size:15.5px;padding:7px 14px;justify-self:center}
 .section{padding:58px 0}
 .stage-grid{grid-template-columns:1fr}
 .node-grid{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .nav-wrap{padding:0 18px}
 .post-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
 .hero-actions{gap:10px}
 .btn{padding:12px 20px;font-size:14.6px}
 .section h2{font-size:22px}
}
@media (max-width:520px){
 .stat-board{grid-template-columns:1fr}
 .milestone-row{grid-template-columns:1fr}
 .assure-grid{grid-template-columns:1fr}
 .form-row{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .hero-cat h1{font-size:26px}
 .hero-actions .btn{width:100%}
 .stage-media{height:150px}
 .form-wrap{padding:26px 20px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252c54;
 --ink-line:#333c6b;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --blue:#3b6bff;
 --blue-soft:#e8eeff;
 --bg:#f4f6fc;
 --surface:#ffffff;
 --text:#1b2138;
 --muted:#5f6884;
 --line:#e4e9f5;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 10px 30px rgba(26,31,61,.08);
 --shadow-hover:0 18px 42px rgba(26,31,61,.14);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);color:var(--text);line-height:1.78;font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:3px solid rgba(59,107,255,.55);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header / Nav ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(26,31,61,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.08);
 box-shadow:0 6px 24px rgba(15,19,40,.28);
}
.nav-wrap{
 max-width:var(--container);margin:0 auto;padding:0 24px;
 display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
 gap:18px;min-height:76px;
}
.nav-side{display:flex;align-items:center;gap:6px}
.nav-left{justify-content:flex-end}
.nav-right{justify-content:flex-start}
.nav-link{
 position:relative;display:inline-block;padding:9px 14px;border-radius:10px;
 color:#c8cfe8;font-size:15px;font-weight:500;letter-spacing:.2px;
 transition:color .22s ease,background .22s ease,transform .22s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,180,0,.14);transform:translateY(-1px)}
.nav-link.active{color:var(--gold-light)}
.nav-link.active::after{
 content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
 border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-light));
}
.brand{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:8px 20px;border-radius:14px;
 background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(59,107,255,.16));
 border:1px solid rgba(255,180,0,.32);
 color:#fff;font-weight:800;font-size:17px;letter-spacing:.6px;
 box-shadow:0 6px 18px rgba(0,0,0,.25);
 transition:transform .22s ease,box-shadow .22s ease;
 white-space:nowrap;
}
.brand:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,180,0,.22)}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);flex:0 0 auto}
.nav-toggle{
 display:none;align-items:center;gap:8px;justify-self:start;
 padding:8px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
 color:#e8ecfb;font-size:14px;
}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.mobile-menu{
 display:none;flex-direction:column;gap:4px;
 padding:10px 24px 20px;border-top:1px solid rgba(255,255,255,.08);
 background:rgba(21,26,52,.99);
}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{display:block;padding:11px 12px}

/* ---------- Buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:12px;font-weight:700;font-size:15.5px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 border:1px solid transparent;
}
.btn-gold{
 background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);
 color:#1a1f3d;box-shadow:0 10px 24px rgba(255,180,0,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.42)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
 background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-line{
 background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow);
}
.btn-line:hover{border-color:var(--gold);color:#8a6100;transform:translateY(-2px)}

/* ---------- Page Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink)}
.hero-bg{
 position:absolute;inset:0;background-size:cover;background-position:center;
 opacity:.30;filter:saturate(1.05);
}
.hero-veil{
 position:absolute;inset:0;
 background:radial-gradient(circle at 80% 12%,rgba(59,107,255,.40),transparent 55%),
 linear-gradient(140deg,rgba(20,24,48,.95) 0%,rgba(26,31,61,.91) 52%,rgba(36,24,64,.95) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:34px 0 70px}
.channel-bar{
 display:flex;flex-wrap:wrap;gap:10px;align-items:center;
 padding-bottom:26px;margin-bottom:30px;
 border-bottom:1px solid rgba(255,255,255,.12);
}
.channel-bar .bar-label{
 font-size:12.5px;letter-spacing:2px;color:#8f9ac0;font-weight:700;margin-right:4px;
}
.channel-bar a{
 display:inline-block;padding:8px 16px;border-radius:999px;font-size:14px;
 color:#dfe5f8;background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.channel-bar a:hover{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.42);color:#ffe0a3;transform:translateY(-1px)}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;font-size:13.5px;letter-spacing:.6px;
 color:var(--gold-light);border:1px solid rgba(255,180,0,.38);
 background:rgba(255,180,0,.10);
}
.page-hero h1{
 margin:22px 0 16px;max-width:900px;
 font-size:clamp(28px,4.6vw,46px);line-height:1.26;letter-spacing:.8px;
 color:#fff;font-weight:800;text-shadow:0 6px 28px rgba(0,0,0,.42);
}
.page-hero h1 em{font-style:normal;color:var(--gold)}
.hero-sub{font-size:clamp(15.5px,2vw,19px);color:#c9d2ef;font-weight:600;margin-bottom:14px}
.hero-lead{font-size:15.8px;color:#aab4d4;max-width:800px;line-height:1.95}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section--white{background:var(--surface)}
.section--dark{background:var(--ink);color:#dbe2f7}
.section--dark .eyebrow{color:var(--gold-light)}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:780px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
 color:#8a6100;margin-bottom:12px;padding-left:2px;
}
.section h2{
 font-size:clamp(23px,3vw,32px);line-height:1.36;font-weight:800;color:var(--ink);
 letter-spacing:.5px;
}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.section--dark .section-desc{color:#a4aed2}

/* ---------- Grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ---------- Cards ---------- */
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:26px 24px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.45)}
.card h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:10px;letter-spacing:.3px}
.card p{color:var(--muted);font-size:15px;line-height:1.88}
.card-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;margin-bottom:14px;
 font-size:14px;font-weight:800;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-light));
 box-shadow:0 6px 16px rgba(255,180,0,.28);
}
.tag{
 display:inline-block;padding:4px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.4px;
 color:#2a3d8f;background:var(--blue-soft);border:1px solid rgba(59,107,255,.16);
}

/* ---------- Stat board ---------- */
.stat-board{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-card b{
 display:block;font-size:clamp(24px,3vw,32px);line-height:1.2;
 color:#8a6100;font-weight:800;letter-spacing:.5px;
}
.stat-card span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);font-weight:600}
.stat-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-panel{
 border-radius:var(--radius-lg);padding:28px 26px;border:1px solid var(--line);
 background:var(--surface);box-shadow:var(--shadow);
}
.compare-panel.good{border-top:4px solid var(--gold)}
.compare-panel.bad{border-top:4px solid #7c86ad;background:#fbfcff}
.compare-panel h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:6px}
.compare-panel .panel-note{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.check-list li{
 position:relative;padding-left:26px;margin-bottom:13px;
 font-size:15px;color:#3d4560;line-height:1.82;
}
.check-list li::before{
 content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold),var(--gold-light));
}
.compare-panel.bad .check-list li::before{background:#c2c9dd}
.check-list li b{color:var(--ink)}

/* ---------- Figure ---------- */
.figure-block{margin-top:34px;border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.figure-block img{width:100%;height:auto;aspect-ratio:16/7;object-fit:cover}
.figure-block figcaption{padding:16px 22px;font-size:14px;color:var(--muted);border-top:1px solid var(--line);background:#fafbff}

/* ---------- Ladder ---------- */
.ladder{display:grid;gap:16px}
.ladder-step{
 display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;
 padding:22px 24px;border-radius:var(--radius);
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.12);
 transition:background .22s ease,transform .22s ease,border-color .22s ease;
}
.ladder-step:hover{background:rgba(255,180,0,.10);border-color:rgba(255,180,0,.36);transform:translateX(4px)}
.ladder-step i{
 font-style:normal;display:flex;align-items:center;justify-content:center;
 width:44px;height:44px;border-radius:12px;
 font-size:16px;font-weight:800;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-light));
}
.ladder-step h3{font-size:17.5px;font-weight:800;color:#fff;margin-bottom:6px}
.ladder-step p{font-size:14.8px;color:#a9b3d5;line-height:1.85}

/* ---------- Post list ---------- */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.45)}
.post-card-link{display:block;padding:24px 24px 22px;height:100%}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.post-meta time{font-size:13px;color:#8b93ab}
.post-card h3{font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.5;margin-bottom:10px}
.post-card p{font-size:14.6px;color:var(--muted);line-height:1.85}
.post-more{
 display:inline-flex;align-items:center;gap:6px;margin-top:16px;
 font-size:14px;font-weight:700;color:#8a6100;
}
.post-card:hover .post-more{color:var(--ink)}
.empty-note{
 padding:40px 24px;text-align:center;color:var(--muted);font-size:15px;
 background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,180,0,.5)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";color:var(--gold);font-size:22px;font-weight:800;line-height:1;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{background:#fffdf7}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15.2px;line-height:1.92}

/* ---------- CTA band ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:56px 44px;text-align:center;
 background:linear-gradient(135deg,#1f2649 0%,#2a2058 100%);
 border:1px solid rgba(255,180,0,.24);
 box-shadow:0 24px 60px rgba(20,24,48,.30);
}
.cta-band::before{
 content:"";position:absolute;inset:-40% -10% auto auto;width:420px;height:420px;
 background:radial-gradient(circle,rgba(255,180,0,.22),transparent 65%);
 pointer-events:none;
}
.cta-band h2{position:relative;color:#fff;font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.4}
.cta-band p{position:relative;margin-top:14px;color:#b9c2e0;font-size:15.5px;line-height:1.9;max-width:700px;margin-left:auto;margin-right:auto}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#a9b3d5;padding:64px 0 26px;margin-top:0}
.footer-grid{
 display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
 padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{
 display:inline-flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:17px;letter-spacing:.5px;margin-bottom:14px;
}
.footer-text{font-size:14.2px;line-height:1.9;color:#95a0c2;max-width:340px}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.6px}
.footer-col a{
 display:block;font-size:14.2px;color:#9aa4c6;padding:5px 0;
 transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 padding-top:22px;font-size:13.2px;color:#8892b4;
}
.footer-bottom a{color:#b6c0e0;border-bottom:1px dashed rgba(182,192,224,.45)}
.footer-bottom a:hover{color:var(--gold-light);border-bottom-color:rgba(255,180,0,.6)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
 .nav-wrap{grid-template-columns:1fr auto 1fr;min-height:70px}
 .nav-side{display:none}
 .nav-toggle{display:inline-flex;justify-self:start}
 .brand{font-size:15.5px;padding:8px 14px}
 .grid-3,.post-list{grid-template-columns:repeat(2,1fr)}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .stat-board{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
 .section{padding:64px 0}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .nav-wrap{padding:0 18px;grid-template-columns:1fr auto;gap:10px}
 .brand{justify-self:start;font-size:14.5px}
 .nav-toggle{justify-self:end}
 .page-hero-inner{padding:26px 0 54px}
 .grid-2,.grid-3,.grid-4,.post-list,.compare{grid-template-columns:1fr}
 .stat-board{grid-template-columns:1fr}
 .ladder-step{grid-template-columns:44px 1fr;gap:14px;padding:20px}
 .section{padding:54px 0}
 .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
 .cta-band{padding:40px 22px}
 .figure-block img{aspect-ratio:16/10}
}
@media (max-width:520px){
 .page-hero h1{font-size:26px;letter-spacing:.4px}
 .hero-lead{font-size:15px}
 .hero-actions .btn{width:100%}
 .stat-card b{font-size:26px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .brand{font-size:13.5px;padding:7px 11px;letter-spacing:.2px}
 .nav-toggle{font-size:13px;padding:7px 11px}
}