/* roulang page: index */
:root{
  --bg-0:#070C15;
  --bg-1:#0C1424;
  --bg-2:#101B2F;
  --surface:rgba(18,29,48,.62);
  --line:rgba(140,180,230,.14);
  --line-strong:rgba(140,180,230,.28);
  --brand:#E4B34A;
  --brand-strong:#F6C85C;
  --accent:#3FD0E0;
  --text-1:#EAF1FB;
  --text-2:#A8B7CE;
  --text-3:#6F819C;
  --ok:#4ADE9B;
  --warn:#F2705F;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(0,0,0,.4), 0 24px 60px -24px rgba(0,0,0,.7);
  --shadow-brand:0 8px 28px -10px rgba(228,179,74,.65);
  --t:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:'PingFang SC','Microsoft YaHei','Source Han Sans',system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(140,180,230,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(140,180,230,.05) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand-strong);}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;font-weight:700;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:104px 0;position:relative;}
.section-sm{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--accent);
  border:1px solid var(--line);border-radius:999px;
  padding:5px 14px;background:rgba(63,208,224,.06);margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
h2.section-title{font-size:28px;line-height:38px;margin-bottom:14px;}
.section-sub{color:var(--text-2);font-size:15px;line-height:1.85;}
.glass{
  background:var(--surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06), var(--shadow-card);
}
.hairline{height:1px;background:linear-gradient(90deg, transparent, var(--line-strong), transparent);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  padding:13px 26px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform var(--t), box-shadow var(--t), background-color var(--t), border-color var(--t), color var(--t);
  white-space:nowrap;
}
.btn-brand{
  background:linear-gradient(180deg,var(--brand-strong),var(--brand));
  color:#231703;
  box-shadow:var(--shadow-brand);
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 14px 36px -12px rgba(228,179,74,.85);color:#231703;filter:brightness(1.06);}
.btn-ghost{
  border-color:var(--line-strong);
  color:var(--text-1);
  background:rgba(63,208,224,.03);
}
.btn-ghost:hover{background:rgba(228,179,74,.08);border-color:var(--brand);color:var(--brand-strong);transform:translateY(-2px);}
.btn-cyan{border-color:rgba(63,208,224,.45);color:var(--accent);background:rgba(63,208,224,.06);}
.btn-cyan:hover{background:rgba(63,208,224,.14);color:var(--accent);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,21,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand-strong),#B98C2C);
  display:grid;place-items:center;
  box-shadow:0 6px 18px -8px rgba(228,179,74,.9);
  position:relative;
}
.brand-mark span{
  width:12px;height:12px;border:2px solid #231703;border-radius:3px;
  transform:rotate(45deg);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text-1);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:8px 14px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);
  transition:color var(--t), background-color var(--t);
}
.nav-link:hover{color:var(--text-1);background:rgba(140,180,230,.07);}
.nav-link.is-active{color:var(--brand-strong);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;box-shadow:0 0 12px rgba(228,179,74,.8);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:10px;
  background:rgba(12,20,36,.7);
  padding:7px 10px 7px 12px;
  min-width:216px;
  transition:border-color var(--t), box-shadow var(--t);
}
.cmd-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(228,179,74,.16);}
.cmd-search svg{width:15px;height:15px;color:var(--text-3);flex-shrink:0;}
.cmd-search input{
  background:none;border:0;outline:none;width:100%;
  font-size:13.5px;color:var(--text-1);
}
.cmd-search input::placeholder{color:var(--text-3);}
.kbd{
  font-size:11px;color:var(--text-3);
  border:1px solid var(--line);border-radius:5px;
  padding:1px 6px;background:rgba(140,180,230,.06);flex-shrink:0;
}
.icon-btn{
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--text-2);transition:all var(--t);
}
.icon-btn:hover{color:var(--brand-strong);border-color:var(--brand);background:rgba(228,179,74,.08);}
.mobile-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);place-items:center;color:var(--text-1);}
.mobile-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.mobile-toggle span::before,.mobile-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px;}
.mobile-toggle span::before{top:-5px;}
.mobile-toggle span::after{top:5px;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(7,12,21,.96);padding:16px 24px 22px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a.m-link{display:block;padding:12px 4px;border-bottom:1px solid var(--line);color:var(--text-2);font-size:15px;}
.mobile-drawer a.m-link.is-active{color:var(--brand-strong);}
.mobile-drawer .m-search{margin:14px 0;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:88px 0 96px;
  background:
    linear-gradient(90deg, rgba(7,12,21,.96) 0%, rgba(7,12,21,.72) 46%, rgba(7,12,21,.42) 100%),
    linear-gradient(180deg, rgba(7,12,21,.55) 0%, rgba(7,12,21,.94) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero h1{font-size:40px;line-height:52px;margin-bottom:18px;}
.hero h1 .hl{
  color:var(--brand-strong);
  background:linear-gradient(180deg,transparent 62%, rgba(228,179,74,.28) 62%);
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);}
.trust-item i{
  width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  background:rgba(63,208,224,.12);color:var(--accent);font-size:11px;font-style:normal;font-weight:700;
}
.hero-cards{position:relative;min-height:340px;}
.h-card{
  border-radius:var(--radius-card);
  padding:20px 22px;
  position:absolute;left:0;right:0;
}
.h-card.c1{top:0;right:44px;left:0;z-index:3;}
.h-card.c2{top:132px;left:44px;right:0;z-index:2;}
.h-card.c3{top:262px;right:36px;left:36px;z-index:1;}
.card-badge{
  position:absolute;top:-11px;right:18px;
  font-size:11.5px;font-weight:700;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;
  background:linear-gradient(180deg,var(--brand-strong),var(--brand));color:#231703;
  box-shadow:0 6px 18px -8px rgba(228,179,74,.9);
}
.badge-cyan{background:linear-gradient(180deg,#6FE3EF,#2BB6C6);color:#052A2F;box-shadow:0 6px 18px -8px rgba(63,208,224,.9);}
.h-card-title{font-size:15px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;}
.h-card-title small{font-size:12px;color:var(--text-3);font-weight:400;}
.status-badge{font-size:11.5px;padding:2px 10px;border-radius:999px;border:1px solid rgba(74,222,155,.4);color:var(--ok);background:rgba(74,222,155,.1);}
.progress{height:6px;border-radius:999px;background:rgba(140,180,230,.14);overflow:hidden;}
.progress > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-strong));}
.progress.cyan > i{background:linear-gradient(90deg,#2BB6C6,var(--accent));}
.h-card-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-3);margin-top:8px;font-variant-numeric:tabular-nums;}
.mini-list{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:var(--text-2);}
.mini-list li{display:flex;justify-content:space-between;gap:12px;}
.mini-list b{color:var(--brand-strong);font-variant-numeric:tabular-nums;}

/* ---------- 阶梯 ---------- */
.step-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.step-item{
  position:relative;
  padding:0 20px;
  border-left:1px solid var(--line);
}
.step-item:first-child{border-left:0;padding-left:0;}
.step-item::before{
  content:"";position:absolute;left:0;top:15px;width:100%;height:1px;
  background:linear-gradient(90deg,var(--line-strong),transparent);
}
.step-item:first-child::before{background:linear-gradient(90deg,rgba(228,179,74,.5),transparent);}
.step-node{
  position:relative;z-index:1;
  width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;
  font-size:12.5px;font-weight:700;
  border:1px solid var(--line-strong);
  background:var(--bg-1);color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.step-item.is-current .step-node{
  background:linear-gradient(180deg,var(--brand-strong),var(--brand));
  border-color:transparent;color:#231703;
  box-shadow:0 0 0 6px rgba(228,179,74,.12), 0 0 22px rgba(228,179,74,.55);
}
.step-item h3{font-size:17px;margin:18px 0 8px;}
.step-item p{font-size:14px;color:var(--text-2);min-height:44px;}
.step-meta{
  font-size:13px;color:var(--text-3);margin:14px 0 12px;
  font-variant-numeric:tabular-nums;
  border-top:1px dashed var(--line);padding-top:12px;
}
.step-meta strong{color:var(--brand-strong);font-size:16px;}
.step-link{font-size:13.5px;color:var(--accent);display:inline-flex;gap:6px;align-items:center;transition:gap var(--t), color var(--t);}
.step-link:hover{gap:11px;color:var(--brand-strong);}

/* ---------- 套餐对比 ---------- */
.plan-table{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:rgba(12,20,36,.5);}
.plan-row{display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;border-top:1px solid var(--line);}
.plan-row:first-child{border-top:0;}
.plan-cell{padding:16px 20px;font-size:14.5px;color:var(--text-2);border-left:1px solid var(--line);display:flex;align-items:center;gap:8px;}
.plan-cell:first-child{border-left:0;}
.plan-cell.plan-feature{color:var(--text-1);font-weight:600;background:rgba(140,180,230,.03);}
.plan-head .plan-cell{color:var(--text-1);font-weight:700;font-size:15px;background:rgba(140,180,230,.05);padding-top:22px;padding-bottom:18px;}
.plan-head .plan-cell small{display:block;font-size:12.5px;color:var(--text-3);font-weight:400;margin-top:2px;}
.plan-col.recommend{
  position:relative;
  background:linear-gradient(180deg, rgba(228,179,74,.14), rgba(228,179,74,.03));
  border-left:1px solid rgba(228,179,74,.5);
  border-right:1px solid rgba(228,179,74,.28);
  box-shadow:0 0 40px -18px rgba(228,179,74,.9) inset;
  color:var(--text-1);
}
.plan-head .plan-col.recommend::after{
  content:"推荐";
  position:absolute;top:0;left:50%;transform:translate(-50%,-50%);
  font-size:11.5px;font-weight:700;padding:3px 12px;border-radius:999px;
  background:linear-gradient(180deg,var(--brand-strong),var(--brand));color:#231703;
}
.plan-price{font-size:22px;font-weight:700;color:var(--brand-strong);font-variant-numeric:tabular-nums;}
.plan-price small{font-size:12.5px;color:var(--text-3);font-weight:400;margin-left:4px;}
.check{color:var(--ok);font-weight:700;}
.dash{color:var(--text-3);}
.plan-foot{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;margin-top:24px;}

/* ---------- 限时 ---------- */
.flash-wrap{
  border-radius:var(--radius-card);
  padding:40px 44px;
  display:grid;grid-template-columns:1.25fr .95fr;gap:40px;align-items:center;
  border:1px solid rgba(228,179,74,.32);
  background:linear-gradient(120deg, rgba(228,179,74,.12), rgba(12,20,36,.7) 58%);
}
.flash-wrap h2{font-size:26px;line-height:36px;margin-bottom:12px;}
.countdown{display:flex;align-items:center;gap:10px;margin:22px 0 20px;}
.cd-block{
  min-width:66px;padding:12px 8px;text-align:center;
  border-radius:12px;border:1px solid var(--line);
  background:rgba(7,12,21,.72);
  font-size:26px;font-weight:700;color:var(--brand-strong);
  font-variant-numeric:tabular-nums;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.cd-sep{font-size:22px;color:var(--text-3);font-weight:700;}
.cd-label{font-size:12px;color:var(--text-3);display:block;font-weight:400;margin-top:2px;letter-spacing:.02em;}
.flash-side .quota-num{font-size:30px;font-weight:700;color:var(--brand-strong);font-variant-numeric:tabular-nums;}
.flash-side p{font-size:13.5px;color:var(--text-2);margin:10px 0 16px;}

/* ---------- 资讯卡 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:rgba(12,20,36,.56);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t), border-color var(--t), box-shadow var(--t);
}
.post-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.post-thumb{
  position:relative;aspect-ratio:16/9;background:linear-gradient(140deg,#0D1729,#16233A);
  overflow:hidden;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-badge{
  position:absolute;left:12px;top:12px;
  font-size:11.5px;padding:3px 10px;border-radius:999px;
  background:rgba(7,12,21,.78);border:1px solid var(--line);color:var(--accent);
  backdrop-filter:blur(8px);
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.post-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);margin-top:auto;font-variant-numeric:tabular-nums;}
.post-more{color:var(--accent);font-size:13px;display:inline-flex;gap:6px;transition:gap var(--t);}
.post-more:hover{gap:11px;color:var(--brand-strong);}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:52px 24px;text-align:center;color:var(--text-2);background:rgba(12,20,36,.45);
}
.empty-state .ico{
  width:52px;height:52px;border-radius:16px;margin:0 auto 16px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-3);font-size:20px;
}
.empty-state p{font-size:14.5px;margin-bottom:18px;}

/* ---------- 分类宫格 ---------- */
.cat-mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.cat-card{
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:rgba(12,20,36,.55);
  padding:24px 26px;
  display:flex;flex-direction:column;gap:10px;
  transition:transform var(--t), border-color var(--t), background-color var(--t);
  position:relative;overflow:hidden;
}
.cat-card::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle, rgba(228,179,74,.16), transparent 70%);
}
.cat-card:hover{transform:translateY(-2px);border-color:rgba(228,179,74,.45);background:rgba(18,29,48,.75);}
.cat-card h3{font-size:19px;}
.cat-card p{font-size:13.5px;color:var(--text-2);}
.cat-card .cat-tag{font-size:12px;color:var(--accent);letter-spacing:.04em;}
.cat-a{grid-column:span 5;}
.cat-b{grid-column:span 4;}
.cat-c{grid-column:span 3;}
.cat-d{grid-column:span 12;flex-direction:row;align-items:center;justify-content:space-between;gap:24px;}
.cat-d p{max-width:640px;}

/* ---------- 口碑 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.proof-item{
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;background:rgba(12,20,36,.5);
}
.proof-num{font-size:30px;font-weight:700;color:var(--brand-strong);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.proof-item p{font-size:13.5px;color:var(--text-2);margin-top:8px;}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px;}
.quote-card{border:1px solid var(--line);border-left:2px solid var(--brand);border-radius:12px;padding:22px 24px;background:rgba(12,20,36,.42);}
.quote-card p{font-size:14.5px;color:var(--text-2);}
.quote-user{margin-top:14px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:10px;}
.quote-user span.avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(140deg,var(--brand),#8C671F);display:inline-block;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 18px 16px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
  transition:color var(--t), padding-left var(--t);
}
.faq-q:hover{color:var(--brand-strong);}
.faq-q .icon{position:relative;width:16px;height:16px;flex-shrink:0;}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;transition:transform var(--t), background-color var(--t);
}
.faq-q .icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-q .icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-q{color:var(--brand-strong);padding-left:14px;}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--brand);box-shadow:0 0 14px rgba(228,179,74,.8);}
.faq-item.is-open .faq-q .icon::after{transform:rotate(90deg);}
.faq-item.is-open .faq-q .icon::before{background:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--text-2);padding:0 40px 20px 14px;}

/* ---------- 表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.form-card{border-radius:var(--radius-card);border:1px solid var(--line);background:rgba(12,20,36,.6);padding:32px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;}
.field label .req{color:var(--warn);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:rgba(7,12,21,.66);
  font-size:14.5px;color:var(--text-1);
  transition:border-color var(--t), box-shadow var(--t);
}
.field textarea{min-height:104px;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px, calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(228,179,74,.14);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--warn);box-shadow:0 0 0 3px rgba(242,112,95,.12);}
.field .err{display:none;font-size:13px;color:var(--warn);margin-top:6px;}
.field.has-error .err{display:block;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;}
.side-card{border-radius:var(--radius-card);border:1px solid var(--line);background:rgba(18,29,48,.5);padding:32px;}
.side-card h3{font-size:19px;margin-bottom:16px;}
.promise-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2);padding:12px 0;border-bottom:1px dashed var(--line);}
.promise-list li:last-child{border-bottom:0;}
.promise-list i{color:var(--brand);font-style:normal;font-weight:700;}

/* ---------- 页脚 ---------- */
.site-footer{background:#050A12;border-top:1px solid var(--line);margin-top:24px;}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1);}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color var(--t), padding-left var(--t);}
.footer-col a:hover{color:var(--brand-strong);padding-left:4px;}
.footer-col p{font-size:14px;color:var(--text-2);padding:4px 0;}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0 34px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3);}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand-strong);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .cmd-search{min-width:170px;}
  .main-nav .nav-link{padding:8px 10px;font-size:14px;}
}
@media (max-width:1023px){
  .main-nav,.nav-right .cmd-search,.nav-right .icon-btn{display:none;}
  .mobile-toggle{display:grid;}
  .nav-right{gap:10px;}
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero h1{font-size:32px;line-height:42px;}
  .hero-cards{min-height:auto;}
  .h-card{position:static;margin-bottom:16px;}
  .h-card.c2,.h-card.c3{left:auto;right:auto;}
  .step-rail{grid-template-columns:1fr;gap:22px;}
  .step-item{border-left:0;padding:0 0 0 46px;}
  .step-item::before{left:16px;top:0;bottom:0;width:1px;height:auto;background:linear-gradient(180deg,var(--line-strong),transparent);}
  .step-node{position:absolute;left:0;top:0;}
  .step-item h3{margin-top:0;}
  .flash-wrap{grid-template-columns:1fr;padding:32px 26px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-a,.cat-b,.cat-c{grid-column:span 6;}
  .cat-d{grid-column:span 12;}
}
@media (max-width:767px){
  .section{padding:64px 0;}
  .section-sm{padding:52px 0;}
  .container{padding:0 16px;}
  h2.section-title{font-size:23px;line-height:32px;}
  .hero h1{font-size:29px;line-height:39px;}
  .plan-table{border:0;background:none;}
  .plan-head{display:none;}
  .plan-row{grid-template-columns:1fr;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;background:rgba(12,20,36,.55);}
  .plan-cell{border-left:0;border-top:1px solid var(--line);padding:12px 16px;font-size:14px;}
  .plan-cell:first-child{border-top:0;}
  .plan-cell.plan-feature{background:rgba(228,179,74,.08);color:var(--brand-strong);}
  .plan-cell[data-label]::before{content:attr(data-label) "：";color:var(--text-3);font-size:13px;flex-shrink:0;}
  .plan-col.recommend{border-left:0;border-right:0;box-shadow:none;background:rgba(228,179,74,.09);}
  .plan-foot{justify-content:stretch;}
  .plan-foot .btn{flex:1;}
  .post-grid{grid-template-columns:1fr;}
  .cat-a,.cat-b,.cat-c,.cat-d{grid-column:span 12;}
  .cat-d{flex-direction:column;align-items:flex-start;}
  .proof-grid{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr;padding:48px 0 32px;}
  .form-card,.side-card{padding:24px;}
  .cd-block{min-width:56px;font-size:22px;padding:10px 6px;}
}
@media (max-width:520px){
  .hero-cta .btn{width:100%;}
  .trust-row{gap:14px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --bg-0:#070C15;
  --bg-1:#0C1424;
  --surface:rgba(18,29,48,.62);
  --line:rgba(140,180,230,.14);
  --line-strong:rgba(140,180,230,.28);
  --brand:#E4B34A;
  --brand-strong:#F6C85C;
  --accent:#3FD0E0;
  --text-1:#EAF1FB;
  --text-2:#A8B7CE;
  --text-3:#6F819C;
  --ok:#4ADE9B;
  --warn:#F2705F;
  --r-card:16px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(0,0,0,.4);
  --sh-2:0 24px 60px -24px rgba(0,0,0,.7);
  --sh-brand:0 8px 28px -10px rgba(228,179,74,.65);
  --t:200ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;line-height:1.32;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(228,179,74,.3);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){ .container{max-width:1320px;} }

.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(9,15,26,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  position:relative;width:26px;height:26px;border-radius:8px;
  background:linear-gradient(140deg,var(--brand-strong),#B98A25);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px -6px rgba(228,179,74,.75);
}
.brand-mark span{width:9px;height:9px;border-radius:3px;background:#0A101C;transform:rotate(45deg);}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--text-1);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;padding:20px 12px;font-size:14.5px;color:var(--text-2);
  white-space:nowrap;border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:12px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 10px 0 12px;min-width:216px;
  background:rgba(16,27,46,.85);
  border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--text-3);transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.command-search:focus-within{
  border-color:rgba(228,179,74,.55);
  box-shadow:0 0 0 3px rgba(228,179,74,.12);
  background:rgba(20,32,52,.95);
}
.command-search svg{flex-shrink:0;opacity:.8;}
.command-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:13.5px;color:var(--text-1);
}
.command-search input::placeholder{color:var(--text-3);}
.command-search kbd{
  font-size:11px;font-family:inherit;color:var(--text-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;background:rgba(255,255,255,.03);
}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-2);background:rgba(16,27,46,.6);
  transition:all var(--t);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(228,179,74,.45);transform:translateY(-1px);}
.nav-toggle{display:none;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-2);}
.nav-toggle:hover{color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),border-color var(--t),color var(--t);
}
.btn-brand{
  background:linear-gradient(140deg,var(--brand-strong),var(--brand));
  color:#161006;box-shadow:var(--sh-brand);
}
.btn-brand:hover{background:linear-gradient(140deg,#FFD776,#EFBF55);transform:translateY(-2px);box-shadow:0 12px 34px -10px rgba(228,179,74,.85);}
.btn-ghost{
  border:1px solid var(--line-strong);color:var(--text-1);background:transparent;
}
.btn-ghost:hover{border-color:rgba(63,208,224,.55);background:rgba(63,208,224,.08);color:#DDF8FC;transform:translateY(-2px);}
.btn-accent{
  border:1px solid rgba(63,208,224,.45);color:var(--accent);background:rgba(63,208,224,.06);
}
.btn-accent:hover{background:rgba(63,208,224,.14);transform:translateY(-2px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:13.5px;font-weight:600;}
.link-arrow:hover{gap:10px;color:#7FE6F0;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(9,15,26,.97);
  padding:16px 24px 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-link{
  display:block;padding:12px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-link.is-active{color:var(--brand);font-weight:600;}
.mobile-drawer .drawer-actions{display:flex;gap:12px;margin-top:16px;}
.mobile-drawer .drawer-actions .btn{flex:1;}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(10,17,30,.5);}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 0;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--text-1);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;
  padding:56px 0 44px;
  background:
    linear-gradient(180deg,rgba(7,12,21,.72),rgba(7,12,21,.96)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(720px 320px at 18% 12%,rgba(228,179,74,.16),transparent 70%);
}
.article-hero .container{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;color:var(--brand);background:var(--brand-soft);border:1px solid rgba(228,179,74,.32);
}
.article-hero h1{
  margin-top:16px;font-size:40px;line-height:1.28;max-width:24ch;color:#fff;
}
.hero-sub{margin-top:14px;font-size:15.5px;color:var(--text-2);max-width:66ch;}
.meta-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:var(--text-3);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(16,27,46,.7);color:var(--text-2);font-size:12.5px;
}
.meta-chip.is-brand{color:var(--brand);border-color:rgba(228,179,74,.34);background:var(--brand-soft);}

/* ---------- 主体布局 ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;
  padding:48px 0 0;align-items:start;
}
@media (max-width:1023px){ .layout{grid-template-columns:minmax(0,1fr);gap:32px;} }

.article-body{max-width:840px;}
.cover-wrap{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1),var(--sh-2);background:linear-gradient(160deg,#101B2E,#0A121F);
}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-cap{font-size:13px;color:var(--text-3);padding:10px 4px 0;}

/* ---------- 正文排版 ---------- */
.prose{
  margin-top:32px;font-size:16.5px;line-height:1.85;color:var(--text-1);word-break:break-word;
}
.prose > * + *{margin-top:18px;}
.prose h2{
  font-size:26px;line-height:1.4;margin-top:44px;padding-left:14px;
  border-left:3px solid var(--brand);color:#fff;
}
.prose h3{font-size:19.5px;line-height:1.45;margin-top:32px;color:#fff;}
.prose h4{font-size:17px;margin-top:26px;color:var(--text-1);}
.prose p{color:var(--text-2);}
.prose strong{color:var(--text-1);font-weight:600;}
.prose a{color:var(--accent);border-bottom:1px solid rgba(63,208,224,.4);}
.prose a:hover{color:#8CEBF4;border-color:#8CEBF4;}
.prose ul,.prose ol{padding-left:0;}
.prose ul li,.prose ol li{
  position:relative;padding-left:24px;margin:10px 0;color:var(--text-2);
}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:13px;width:7px;height:7px;border-radius:2px;
  background:var(--brand);transform:rotate(45deg);box-shadow:0 0 10px rgba(228,179,74,.6);
}
.prose ol{counter-reset:item;}
.prose ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--brand);
  border:1px solid rgba(228,179,74,.4);background:var(--brand-soft);
}
.prose blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--accent);
  background:rgba(63,208,224,.07);border-radius:0 var(--r-btn) var(--r-btn) 0;color:var(--text-1);
}
.prose blockquote p{color:var(--text-1);}
.prose img{border-radius:14px;margin:22px auto;border:1px solid var(--line);}
.prose figcaption,.prose .caption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.prose th{background:rgba(228,179,74,.1);color:var(--brand);font-weight:600;text-align:left;}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--line);}
.prose tbody tr:last-child td{border-bottom:0;}
.prose tbody tr:hover{background:rgba(255,255,255,.02);}
.prose code{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;
  background:rgba(63,208,224,.1);color:#9FE9F2;padding:2px 6px;border-radius:6px;
}
.prose pre{
  background:#0A121F;border:1px solid var(--line);border-radius:14px;padding:18px;
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.prose pre code{background:none;padding:0;color:#CFE3F5;}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* 空态 */
.empty-state{
  margin-top:32px;padding:44px 28px;text-align:center;
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:rgba(16,27,46,.5);
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-3);background:rgba(255,255,255,.02);
}
.empty-state h3{font-size:18px;color:var(--text-1);}
.empty-state p{margin-top:8px;color:var(--text-3);font-size:14px;}
.empty-state .btn{margin-top:20px;}

/* ---------- 标签云 ---------- */
.tag-block{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.tag-block h3{font-size:14px;color:var(--text-3);font-weight:600;letter-spacing:.04em;}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);border:1px solid var(--line);background:rgba(16,27,46,.6);
  transition:all var(--t);
}
.tag:hover{color:var(--brand);border-color:rgba(228,179,74,.45);background:var(--brand-soft);transform:translateY(-1px);}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.section-head h2{font-size:24px;}
.section-head p{margin-top:8px;color:var(--text-3);font-size:14px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:24px;}
@media (max-width:1023px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:639px){ .card-grid{grid-template-columns:minmax(0,1fr);} }
.card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(165deg,rgba(20,32,52,.9),rgba(12,20,36,.9));
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.card:hover{transform:translateY(-2px);border-color:rgba(228,179,74,.42);box-shadow:0 1px 2px rgba(0,0,0,.4),0 26px 54px -26px rgba(0,0,0,.9);}
.card-media{position:relative;aspect-ratio:16/9;background:#0A121F;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease;}
.card:hover .card-media img{transform:scale(1.04);}
.badge{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;color:#17110A;
  background:linear-gradient(140deg,var(--brand-strong),var(--brand));
  box-shadow:0 6px 16px -8px rgba(228,179,74,.9);
}
.badge.is-accent{background:rgba(63,208,224,.16);color:var(--accent);border:1px solid rgba(63,208,224,.4);box-shadow:none;}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:16.5px;line-height:1.5;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-body h3{color:var(--brand-strong);}
.card-body p{
  font-size:13.5px;color:var(--text-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px;}
.card-foot time{font-size:12.5px;color:var(--text-3);}

/* ---------- 上一篇/下一篇 ---------- */
.pager{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:48px;
}
@media (max-width:639px){ .pager{grid-template-columns:minmax(0,1fr);} }
.pager a{
  display:flex;flex-direction:column;gap:8px;padding:18px 20px;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(16,27,46,.55);transition:all var(--t);
}
.pager a:hover{border-color:rgba(63,208,224,.45);background:rgba(63,208,224,.06);transform:translateY(-2px);}
.pager span{font-size:12.5px;color:var(--text-3);}
.pager strong{font-size:15px;color:var(--text-1);font-weight:600;}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
@media (max-width:1023px){ .sidebar{display:none;} }
.side-card{
  border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
  background:linear-gradient(170deg,rgba(20,32,52,.75),rgba(12,20,36,.85));
  box-shadow:var(--sh-1);
}
.side-card h3{font-size:14.5px;color:var(--text-1);display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand);}
.toc{margin-top:14px;display:flex;flex-direction:column;}
.toc a{
  font-size:13.5px;color:var(--text-2);padding:9px 0 9px 12px;border-left:1px solid var(--line);
  transition:all var(--t);
}
.toc a:hover{color:var(--brand);border-left-color:var(--brand);padding-left:16px;}
.toc a.is-sub{padding-left:24px;font-size:13px;color:var(--text-3);}
.toc .toc-empty{font-size:13px;color:var(--text-3);padding:8px 0;}
.hot-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);
}
.hot-list a:last-child{border-bottom:0;}
.hot-list .rank{
  flex-shrink:0;width:22px;height:22px;border-radius:7px;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--text-3);border:1px solid var(--line);
}
.hot-list a:hover .rank{color:#17110A;background:linear-gradient(140deg,var(--brand-strong),var(--brand));border-color:transparent;}
.hot-list p{font-size:13.5px;color:var(--text-2);line-height:1.6;}
.hot-list a:hover p{color:var(--text-1);}
.side-cta{
  border:1px solid rgba(228,179,74,.35);border-radius:var(--r-card);padding:20px;
  background:radial-gradient(320px 180px at 80% 0%,rgba(228,179,74,.16),transparent 70%),rgba(16,27,46,.7);
}
.side-cta h3{font-size:16px;color:#fff;}
.side-cta p{margin-top:8px;font-size:13.5px;color:var(--text-2);}
.side-cta .btn{width:100%;margin-top:16px;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  margin:88px 0 0;padding:44px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(560px 240px at 12% 0%,rgba(228,179,74,.14),transparent 70%),
    radial-gradient(520px 220px at 88% 100%,rgba(63,208,224,.12),transparent 72%),
    rgba(10,17,30,.72);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:26px;color:#fff;}
.cta-inner p{margin-top:10px;color:var(--text-2);font-size:14.5px;max-width:62ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#05090F;border-top:1px solid var(--line);margin-top:0;padding:64px 0 28px;}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;}
@media (max-width:1023px){ .footer-main{grid-template-columns:1fr 1fr;gap:32px;} }
@media (max-width:639px){ .footer-main{grid-template-columns:1fr;} }
.footer-brand p{margin-top:14px;font-size:13.5px;color:var(--text-3);max-width:34ch;line-height:1.8;}
.footer-col h4{font-size:13.5px;color:var(--text-1);letter-spacing:.05em;margin-bottom:14px;}
.footer-col a{display:block;font-size:13.5px;color:var(--text-3);padding:6px 0;}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:13.5px;color:var(--text-3);padding:5px 0;}
.hairline{border:0;border-top:1px solid var(--line);margin:36px 0 20px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .command-search{min-width:170px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .command-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-hero h1{font-size:32px;max-width:none;}
  .header-inner{gap:12px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .article-hero{padding:38px 0 32px;}
  .article-hero h1{font-size:27px;line-height:1.36;}
  .hero-sub{font-size:14.5px;}
  .layout{padding-top:32px;}
  .prose{font-size:16px;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:18px;}
  .cta-band{margin-top:60px;padding:34px 0;}
  .cta-inner h2{font-size:21px;}
  .site-footer{padding:48px 0 24px;}
  .related{margin-top:48px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070C15;
  --bg-1:#0C1424;
  --surface:rgba(18,29,48,.62);
  --line:rgba(140,180,230,.14);
  --line-strong:rgba(140,180,230,.28);
  --brand:#E4B34A;
  --brand-strong:#F6C85C;
  --accent:#3FD0E0;
  --text-1:#EAF1FB;
  --text-2:#A8B7CE;
  --text-3:#6F819C;
  --ok:#4ADE9B;
  --warn:#F2705F;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-near:0 1px 2px rgba(0,0,0,.4);
  --shadow-far:0 24px 60px -24px rgba(0,0,0,.7);
  --shadow-gold:0 8px 28px -10px rgba(228,179,74,.65);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:'PingFang SC','Microsoft YaHei','Source Han Sans',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(720px 420px at 82% -8%, rgba(228,179,74,.10), transparent 62%),
    radial-gradient(680px 420px at 6% 12%, rgba(63,208,224,.08), transparent 65%);
  z-index:0;
}
h1,h2,h3,h4{letter-spacing:-.01em;font-weight:700;margin:0;color:var(--text-1)}
h1{font-size:40px;line-height:52px}
h2{font-size:28px;line-height:38px}
h3{font-size:20px;line-height:28px}
p{margin:0}
a{color:var(--accent);text-decoration:none;transition:color var(--ease),opacity var(--ease)}
a:hover{color:#6fe2ee}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.hairline{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}
.glass{
  background:var(--surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-near),var(--shadow-far),inset 0 1px 0 rgba(255,255,255,.06);
}
.tabular{font-variant-numeric:tabular-nums}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:64px;
  background:rgba(9,15,26,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);flex:0 0 auto}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(140deg,var(--brand-strong),#b8862c);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px -8px rgba(228,179,74,.9);
  flex:0 0 auto;
}
.brand-mark span{
  width:10px;height:10px;border:2px solid rgba(7,12,21,.85);border-radius:3px;display:block;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:64px;
  padding:0 14px;font-size:15px;color:var(--text-2);
  transition:color var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--text-1)}
.nav-link.is-active{color:var(--text-1);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;box-shadow:0 0 12px rgba(228,179,74,.7);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 10px 0 12px;
  background:rgba(18,29,48,.7);
  border:1px solid var(--line);border-radius:10px;
  min-width:230px;transition:border-color var(--ease),box-shadow var(--ease);
}
.command-search:focus-within{border-color:rgba(228,179,74,.6);box-shadow:0 0 0 3px rgba(228,179,74,.12)}
.command-search svg{flex:0 0 auto;opacity:.7}
.command-search input{
  border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--text-1);
}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  font-size:11px;color:var(--text-3);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;white-space:nowrap;background:rgba(255,255,255,.03);
}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:rgba(18,29,48,.55);
  color:var(--text-2);cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{color:var(--text-1);border-color:var(--line-strong);transform:translateY(-1px)}
.nav-toggle{display:none}
.nav-drawer{display:none}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all var(--ease);white-space:nowrap;
}
.btn-gold{
  background:linear-gradient(135deg,var(--brand-strong),var(--brand));
  color:#141002;
  box-shadow:var(--shadow-gold);
}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 36px -10px rgba(228,179,74,.8);color:#141002}
.btn-outline{
  background:transparent;color:var(--accent);border-color:rgba(63,208,224,.45);
}
.btn-outline:hover{background:rgba(63,208,224,.08);color:#7ceaf5;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-loading{opacity:.75;pointer-events:none}

/* ===== Hero ===== */
.cat-hero{
  position:relative;
  padding:88px 0 72px;
  background-image:linear-gradient(90deg,rgba(7,12,21,.94) 0%,rgba(7,12,21,.72) 46%,rgba(7,12,21,.42) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,transparent,var(--bg-0));pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{opacity:.5}
.cat-hero h1{max-width:760px}
.cat-hero .lede{margin-top:16px;max-width:660px;color:var(--text-2);font-size:17px;line-height:1.8}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.hero-metrics{
  margin-top:36px;display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr));max-width:720px;
}
.metric{padding:16px 18px;border-radius:14px;border:1px solid var(--line);background:rgba(18,29,48,.55)}
.metric strong{display:block;font-size:24px;line-height:1.2;color:var(--brand);font-variant-numeric:tabular-nums}
.metric span{font-size:13px;color:var(--text-3)}

/* ===== 通用板块标题 ===== */
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);
  margin-bottom:12px;letter-spacing:.06em;
}
.sec-head .eyebrow::before{content:"";width:18px;height:1px;background:var(--brand);display:block}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px}

/* ===== 双栏图文列表 ===== */
.feature-list{display:flex;flex-direction:column;gap:28px}
.feature-row{
  display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);
  gap:32px;align-items:center;
  padding:24px;border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(18,29,48,.72),rgba(12,20,36,.55));
  box-shadow:var(--shadow-near);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.feature-row:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-near),var(--shadow-far)}
.feature-row.is-reverse .feature-media{order:2}
.feature-media{
  position:relative;border-radius:14px;overflow:hidden;
  aspect-ratio:16/9;background:#0A1220;border:1px solid var(--line);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.feature-row:hover .feature-media img{transform:scale(1.04)}
.feature-media .tag-corner{
  position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:999px;font-size:12px;
  background:rgba(7,12,21,.78);border:1px solid rgba(228,179,74,.5);color:var(--brand-strong);
}
.feature-body h3{font-size:21px;margin-bottom:10px}
.feature-body .desc{color:var(--text-2);font-size:15px}
.feature-points{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}
.point{
  font-size:13px;color:var(--text-2);border:1px solid var(--line);border-radius:999px;
  padding:5px 12px;background:rgba(255,255,255,.02);
}
.feature-foot{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;
}
.data-chip{font-size:13px;color:var(--text-3)}
.data-chip b{color:var(--text-1);font-weight:600;font-variant-numeric:tabular-nums}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
}
.text-link:hover{color:var(--brand-strong);gap:10px}
.text-link::after{content:"→";transition:transform var(--ease)}
.text-link.is-cyan{color:var(--accent)}
.text-link.is-cyan:hover{color:#7ceaf5}

/* ===== 阶梯 ===== */
.step-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;margin-top:8px}
.step{
  position:relative;padding:24px 20px 24px 26px;border:1px solid var(--line);
  background:rgba(18,29,48,.5);border-radius:14px;margin-right:14px;
  transition:all var(--ease);
}
.step:last-child{margin-right:0}
.step:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.step .node{
  position:absolute;left:-7px;top:28px;width:14px;height:14px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px rgba(228,179,74,.16),0 0 18px rgba(228,179,74,.6);
}
.step.is-idle .node{background:transparent;border:2px solid var(--brand);box-shadow:none}
.step .lvl{font-size:12px;color:var(--brand);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;margin:8px 0 6px}
.step p{font-size:14px;color:var(--text-2)}
.step .thr{margin-top:14px;font-size:13px;color:var(--text-3)}
.step .thr b{color:var(--text-1);font-variant-numeric:tabular-nums}

/* ===== 须知 ===== */
.notice-panel{
  border-radius:var(--radius-card);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(18,29,48,.72),rgba(12,20,36,.5));
  padding:32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;
}
.notice-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);
}
.notice-list li:last-child{border-bottom:0}
.notice-list .num{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:#141002;background:linear-gradient(135deg,var(--brand-strong),var(--brand));font-weight:700;
}
.notice-side .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.02);
}
.badge.is-brand{border-color:rgba(228,179,74,.45);color:var(--brand-strong);background:rgba(228,179,74,.08)}
.badge.is-cyan{border-color:rgba(63,208,224,.4);color:var(--accent);background:rgba(63,208,224,.07)}
.badge.is-ok{border-color:rgba(74,222,155,.4);color:var(--ok);background:rgba(74,222,155,.07)}
.progress-track{height:8px;border-radius:999px;background:rgba(140,180,230,.14);overflow:hidden;margin:12px 0 8px}
.progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-strong));width:0}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:14px 4px;text-align:left;font-size:16px;font-weight:600;
  color:var(--text-1);cursor:pointer;transition:color var(--ease);
}
.faq-q:hover{color:var(--brand-strong)}
.faq-q .sign{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);
  transition:transform var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);border-color:rgba(228,179,74,.6)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 260ms ease-out;
  border-left:2px solid transparent;
}
.faq-item.is-open .faq-a{border-left:2px solid var(--brand)}
.faq-a .inner{padding:2px 0 20px 16px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ===== CTA 条 ===== */
.cta-band{
  border-radius:var(--radius-card);
  border:1px solid rgba(228,179,74,.32);
  background:linear-gradient(120deg,rgba(228,179,74,.14),rgba(63,208,224,.07) 70%,transparent);
  padding:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow-near),var(--shadow-far);
}
.cta-band h2{font-size:24px}
.cta-band p{margin-top:8px;color:var(--text-2);font-size:15px;max-width:560px}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{
  background:#05090F;
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:96px;
}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand p{margin-top:14px;color:var(--text-3);font-size:14px;max-width:320px}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em}
.footer-col a,.footer-col p{display:block;color:var(--text-2);font-size:14px;padding:5px 0}
.footer-col a:hover{color:var(--brand)}
.site-footer .hairline{margin:36px 0 20px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--text-3);font-size:13px}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{max-width:1200px}
}
@media (max-width:1023px){
  h1{font-size:32px;line-height:42px}
  h2{font-size:24px;line-height:34px}
  .section{padding:72px 0}
  .main-nav{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-drawer{
    display:block;position:fixed;top:64px;left:0;right:0;bottom:0;z-index:55;
    background:rgba(7,12,21,.97);backdrop-filter:blur(14px);
    padding:24px;transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform 260ms ease-out,opacity 200ms ease-out;overflow-y:auto;
  }
  .nav-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-drawer a{
    display:block;padding:16px 4px;font-size:17px;color:var(--text-2);border-bottom:1px solid var(--line);
  }
  .nav-drawer a.is-active{color:var(--brand)}
  .nav-drawer .drawer-search{margin:20px 0}
  .feature-row{grid-template-columns:1fr;gap:20px}
  .feature-row.is-reverse .feature-media{order:0}
  .step-rail{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step{margin-right:12px;margin-bottom:12px}
  .notice-panel{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr}
  .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  h1{font-size:30px;line-height:40px}
  h2{font-size:22px;line-height:32px}
  .cat-hero{padding:64px 0 52px}
  .hero-metrics{grid-template-columns:1fr;gap:12px}
  .step-rail{grid-template-columns:1fr}
  .step{margin-right:0}
  .cta-band{padding:28px}
  .notice-panel{padding:24px}
  .footer-main{grid-template-columns:1fr;gap:24px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .cta-band .actions{width:100%}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .feature-row{padding:16px}
  .feature-body h3{font-size:18px}
}

/* roulang page: category2 */
:root{
  --bg-0:#070C15;
  --bg-1:#0C1424;
  --surface:rgba(18,29,48,.62);
  --surface-solid:#101B2E;
  --line:rgba(140,180,230,.14);
  --line-strong:rgba(140,180,230,.30);
  --brand:#E4B34A;
  --brand-strong:#F6C85C;
  --accent:#3FD0E0;
  --text-1:#EAF1FB;
  --text-2:#A8B7CE;
  --text-3:#6F819C;
  --ok:#4ADE9B;
  --warn:#F2705F;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(0,0,0,.4),0 24px 60px -24px rgba(0,0,0,.7);
  --shadow-brand:0 8px 28px -10px rgba(228,179,74,.65);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.3;font-weight:700}
p{margin:0}
hr{border:0;margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.hairline{height:1px;background:var(--line);width:100%}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,21,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(140deg,var(--brand-strong),#B7803A 70%);
  display:grid;place-items:center;
  box-shadow:0 4px 14px -4px rgba(228,179,74,.7);
}
.brand-mark span{width:9px;height:9px;border-radius:3px;background:#1a1206;transform:rotate(45deg)}
.brand-text{font-weight:700;font-size:16.5px;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.045)}
.nav-link.is-active{color:var(--text-1);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-strong));
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:8px;width:236px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:7px 10px;color:var(--text-3);font-size:13.5px;transition:border-color var(--ease),box-shadow var(--ease);
}
.command-search:hover{border-color:var(--line-strong)}
.command-search:focus-within{border-color:rgba(228,179,74,.55);box-shadow:0 0 0 3px rgba(228,179,74,.12)}
.command-search input{background:none;border:0;outline:none;width:100%;font-size:13.5px;color:var(--text-1)}
.command-search input::placeholder{color:var(--text-3)}
.kbd{
  font-size:11px;line-height:1.6;padding:0 6px;border-radius:6px;
  border:1px solid var(--line);color:var(--text-3);flex:0 0 auto;
}
.icon-btn{
  width:36px;height:36px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line);color:var(--text-2);transition:all var(--ease);
}
.icon-btn:hover{color:var(--accent);border-color:rgba(63,208,224,.42);background:rgba(63,208,224,.07)}
.nav-toggle{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text-2)}
.nav-toggle span{display:block;width:16px;height:1.6px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.6px;background:currentColor}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:10px 18px;font-size:14.5px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn-brand{
  background:linear-gradient(180deg,var(--brand-strong),var(--brand));
  color:#241804;box-shadow:var(--shadow-brand);
}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 36px -10px rgba(228,179,74,.75)}
.btn-ghost{border-color:rgba(63,208,224,.42);color:var(--accent);background:transparent}
.btn-ghost:hover{background:rgba(63,208,224,.09);transform:translateY(-2px)}
.btn-sm{padding:8px 14px;font-size:13.5px}

/* ---------- hero slim ---------- */
.hero-slim{
  position:relative;overflow:hidden;
  padding:76px 0 60px;
  background-image:
    linear-gradient(90deg,rgba(7,12,21,.96) 0%,rgba(7,12,21,.78) 46%,rgba(7,12,21,.5) 100%),
    linear-gradient(180deg,rgba(7,12,21,.55),rgba(7,12,21,.98)),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover,cover,cover;
  background-position:center,center,center;
}
.hero-slim::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(680px 300px at 82% 8%,rgba(63,208,224,.14),transparent 70%);
  pointer-events:none;
}
.hero-slim .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;color:var(--text-3);font-size:13px;margin-bottom:18px}
.crumb a:hover{color:var(--accent)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--brand);
  border:1px solid rgba(228,179,74,.36);background:rgba(228,179,74,.08);
  border-radius:var(--r-pill);padding:4px 12px;margin-bottom:18px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
h1.hero-title{font-size:40px;line-height:1.28;max-width:860px}
h1.hero-title em{font-style:normal;color:var(--brand-strong)}
.hero-lead{margin-top:16px;color:var(--text-2);font-size:16.5px;max-width:760px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* stat strip */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;margin-top:38px;
}
.stat-cell{background:rgba(12,20,36,.86);padding:18px 20px}
.stat-num{font-size:24px;font-weight:700;color:var(--brand-strong);line-height:1.2}
.stat-label{font-size:13px;color:var(--text-3);margin-top:4px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-kicker{font-size:13px;letter-spacing:.12em;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.sec-title{font-size:28px;line-height:1.38}
.sec-desc{color:var(--text-2);margin-top:12px;font-size:15.5px}

/* filter bar */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:28px}
.chip{
  padding:7px 15px;border-radius:var(--r-pill);border:1px solid var(--line);
  color:var(--text-2);font-size:13.5px;transition:all var(--ease);
}
.chip:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(255,255,255,.04)}
.chip.is-on{color:#241804;background:linear-gradient(180deg,var(--brand-strong),var(--brand));border-color:transparent;font-weight:600}
.filter-note{font-size:13px;color:var(--text-3);margin-left:auto}

/* card grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 1px 2px rgba(0,0,0,.45),0 30px 64px -26px rgba(0,0,0,.85)}
.card-cover{position:relative;aspect-ratio:16/9;background:#0d1729;overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,21,0) 42%,rgba(7,12,21,.72))}
.card-badge{
  position:absolute;left:12px;bottom:12px;z-index:1;
  font-size:12px;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(7,12,21,.72);border:1px solid rgba(228,179,74,.42);color:var(--brand-strong);
  backdrop-filter:blur(6px);
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17.5px;line-height:1.45}
.card-text{color:var(--text-2);font-size:14px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.card-meta{font-size:12.5px;color:var(--text-3)}
.link-arrow{color:var(--accent);font-size:13.5px;display:inline-flex;align-items:center;gap:6px;transition:gap var(--ease),color var(--ease)}
.link-arrow:hover{gap:10px;color:#6FE6F2}

/* step rail */
.step-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative}
.step-item{
  position:relative;background:rgba(12,20,36,.72);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px 22px;
}
.step-item::before{
  content:"";position:absolute;top:38px;right:-22px;width:22px;height:1px;
  background:linear-gradient(90deg,rgba(228,179,74,.7),rgba(228,179,74,0));
}
.step-item:last-child::before{display:none}
.step-dot{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#241804;
  background:linear-gradient(180deg,var(--brand-strong),var(--brand));
  box-shadow:0 0 0 4px rgba(228,179,74,.12);
}
.step-item h3{font-size:18px;margin-top:16px}
.step-item p{color:var(--text-2);font-size:14px;margin-top:10px}
.step-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.step-list li{position:relative;padding-left:16px;font-size:13.5px;color:var(--text-2)}
.step-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.8}

/* panel */
.panel-row{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-card);
}
.panel h3{font-size:19px}
.panel p{color:var(--text-2);font-size:14.5px;margin-top:10px}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.check-list li i{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:5px;
  border:1px solid rgba(74,222,155,.6);color:var(--ok);display:grid;place-items:center;font-size:11px;font-style:normal;
}

/* FAQ */
.faq-wrap{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative;transition:background var(--ease)}
.faq-item::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;border-radius:2px;background:transparent;transition:background var(--ease)}
.faq-item.is-open::before{background:linear-gradient(180deg,var(--brand-strong),var(--brand))}
.faq-item.is-open{background:rgba(228,179,74,.035)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 8px 14px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-sign{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform var(--ease)}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-sign::before{left:0;top:10px;width:22px;height:2px}
.faq-sign::after{left:10px;top:0;width:2px;height:22px;transition:transform var(--ease),opacity var(--ease)}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease,padding var(--ease)}
.faq-item.is-open .faq-a{max-height:420px;padding:0 18px 18px}
.faq-a p{color:var(--text-2);font-size:15px;line-height:1.8}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;border:1px solid rgba(228,179,74,.28);border-radius:20px;
  background:
    radial-gradient(620px 240px at 88% 0%,rgba(228,179,74,.18),transparent 68%),
    linear-gradient(120deg,rgba(12,20,36,.96),rgba(18,29,48,.72));
  padding:42px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:24px}
.cta-band p{color:var(--text-2);margin-top:8px;font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* footer */
.site-footer{background:#050A12;border-top:1px solid var(--line);margin-top:0}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 34px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:14px;max-width:320px}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em}
.footer-col a{display:block;color:var(--text-2);font-size:14px;padding:5px 0;transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:var(--brand-strong);transform:translateX(2px)}
.footer-col p{color:var(--text-2);font-size:14px;padding:4px 0}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0 34px;color:var(--text-3);font-size:13px}

/* drawer */
.drawer{
  position:fixed;left:0;right:0;top:64px;z-index:55;
  background:rgba(7,12,21,.98);border-bottom:1px solid var(--line);
  padding:18px 24px 24px;display:none;flex-direction:column;gap:6px;
  backdrop-filter:blur(16px);
}
.drawer.is-open{display:flex}
.drawer .nav-link{padding:12px 10px;font-size:15.5px}
.drawer .nav-link.is-active::after{left:10px;right:auto;width:22px}
.drawer-actions{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap}

/* responsive */
@media (max-width:1180px){
  .command-search{width:190px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .panel-row{grid-template-columns:1fr}
  .step-rail{grid-template-columns:1fr}
  .step-item::before{display:none}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-main{grid-template-columns:1fr 1fr;gap:26px}
  .section{padding:66px 0}
  h1.hero-title{font-size:32px}
  .cta-band{padding:32px 26px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-actions .btn-brand{display:none}
  .hero-slim{padding:52px 0 44px}
  h1.hero-title{font-size:28px;line-height:1.34}
  .hero-lead{font-size:15.5px}
  .sec-title{font-size:23px}
  .grid-3{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-cell{padding:15px 16px}
  .stat-num{font-size:20px}
  .footer-main{grid-template-columns:1fr;padding:44px 0 26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .filter-note{margin-left:0;width:100%}
}
@media (max-width:519px){
  .container{padding:0 16px}
  h1.hero-title{font-size:25px}
  .brand-text{font-size:15px}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .card-body{padding:16px}
  .panel{padding:20px}
}

/* roulang page: category3 */
:root{
    --bg-0:#070C15;
    --bg-1:#0C1424;
    --surface:rgba(18,29,48,.62);
    --line:rgba(140,180,230,.14);
    --brand:#E4B34A;
    --brand-strong:#F6C85C;
    --accent:#3FD0E0;
    --text-1:#EAF1FB;
    --text-2:#A8B7CE;
    --text-3:#6F819C;
    --ok:#4ADE9B;
    --warn:#F2705F;
    --radius-card:16px;
    --radius-btn:10px;
    --shadow-card:0 1px 2px rgba(0,0,0,.4),0 24px 60px -24px rgba(0,0,0,.7);
    --shadow-brand:0 8px 28px -10px rgba(228,179,74,.65);
    --ease:180ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--text-1);
    font-family:'PingFang SC','Microsoft YaHei','Source Han Sans',system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;line-height:1.35}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  .hairline{height:1px;border:0;background:var(--line);margin:0}
  .num{font-variant-numeric:tabular-nums}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(9,15,26,.78);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  }
  .header-inner{
    display:flex;align-items:center;gap:22px;height:64px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:28px;height:28px;border-radius:9px;
    background:linear-gradient(140deg,var(--brand-strong),#C99533 70%);
    display:grid;place-items:center;
    box-shadow:0 6px 18px -8px rgba(228,179,74,.8);
  }
  .brand-mark span{
    width:10px;height:10px;border-radius:3px;
    background:var(--bg-0);
    transform:rotate(45deg);
    display:block;
  }
  .brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}

  .main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
  .nav-link{
    position:relative;
    padding:20px 12px;
    font-size:14.5px;color:var(--text-2);
    transition:color var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:'';position:absolute;left:12px;right:12px;bottom:12px;height:2px;
    background:var(--brand);border-radius:2px;transform:scaleX(0);
    transition:transform var(--ease);
  }
  .nav-link:hover{color:var(--text-1)}
  .nav-link:hover::after{transform:scaleX(.5)}
  .nav-link.is-active{color:var(--text-1);font-weight:600}
  .nav-link.is-active::after{transform:scaleX(1)}

  .header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
  .command-search{
    display:flex;align-items:center;gap:8px;
    width:216px;height:38px;padding:0 10px 0 12px;
    background:rgba(13,21,36,.9);
    border:1px solid var(--line);
    border-radius:10px;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .command-search:focus-within{
    border-color:rgba(228,179,74,.6);
    box-shadow:0 0 0 3px rgba(228,179,74,.12);
  }
  .command-search i{color:var(--text-3);font-size:13px}
  .command-search input{
    flex:1;background:transparent;border:0;outline:0;
    font-size:13.5px;color:var(--text-1);min-width:0;
  }
  .command-search input::placeholder{color:var(--text-3)}
  .kbd{
    font-size:11px;color:var(--text-3);
    border:1px solid var(--line);border-radius:6px;
    padding:1px 6px;background:rgba(255,255,255,.03);
    font-variant-numeric:tabular-nums;
  }
  .icon-btn{
    width:38px;height:38px;border-radius:10px;
    border:1px solid var(--line);background:rgba(13,21,36,.7);
    display:grid;place-items:center;color:var(--text-2);
    cursor:pointer;transition:all var(--ease);
  }
  .icon-btn:hover{color:var(--text-1);border-color:rgba(63,208,224,.5);transform:translateY(-1px)}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);
    padding:0 18px;height:40px;
    font-size:14.5px;font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:all var(--ease);
    white-space:nowrap;
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--brand-strong),var(--brand));
    color:#1A1305;
    box-shadow:var(--shadow-brand);
  }
  .btn-primary:hover{
    filter:brightness(1.06);
    transform:translateY(-2px);
    box-shadow:0 12px 34px -10px rgba(228,179,74,.8);
  }
  .btn-ghost{
    background:transparent;
    border-color:rgba(63,208,224,.45);
    color:var(--accent);
  }
  .btn-ghost:hover{background:rgba(63,208,224,.1);transform:translateY(-2px)}
  .btn-lg{height:48px;padding:0 24px;font-size:15.5px}

  .nav-toggle{display:none}
  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:rgba(9,15,26,.98);
    padding:16px 24px 22px;
  }
  .mobile-drawer.open{display:block}
  .mobile-drawer .drawer-link{
    display:block;padding:11px 0;font-size:15px;color:var(--text-2);
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer .drawer-link.is-active{color:var(--brand);font-weight:600}
  .mobile-drawer .command-search{width:100%;margin:14px 0 12px}

  /* ============ 通用板块 ============ */
  main{display:block}
  .section{padding:96px 0}
  .section-tight{padding:72px 0}
  .section-head{margin-bottom:36px;max-width:760px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:.14em;color:var(--brand);
    text-transform:uppercase;margin-bottom:12px;font-weight:600;
  }
  .eyebrow::before{content:'';width:22px;height:1px;background:var(--brand);display:block}
  .h2{font-size:28px;line-height:1.4}
  .lead{color:var(--text-2);font-size:15.5px;margin-top:12px;max-width:720px}
  .muted{color:var(--text-3);font-size:13px}
  .text-2{color:var(--text-2)}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    height:24px;padding:0 10px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.02em;
    background:var(--brand-soft);color:var(--brand-strong);
    border:1px solid rgba(228,179,74,.3);
  }
  .badge-cyan{background:rgba(63,208,224,.12);color:var(--accent);border-color:rgba(63,208,224,.3)}
  .badge-ok{background:rgba(74,222,155,.12);color:var(--ok);border-color:rgba(74,222,155,.3)}
  .badge-plain{background:rgba(255,255,255,.04);color:var(--text-2);border-color:var(--line)}

  .card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  }
  .card:hover{transform:translateY(-2px);border-color:rgba(140,180,230,.3);box-shadow:0 1px 2px rgba(0,0,0,.45),0 30px 70px -26px rgba(0,0,0,.85)}

  /* ============ 内页瘦身 Hero ============ */
  .page-hero{
    position:relative;
    padding:56px 0 52px;
    background-image:
      linear-gradient(90deg,rgba(7,12,21,.96) 0%,rgba(7,12,21,.82) 52%,rgba(7,12,21,.55) 100%),
      linear-gradient(180deg,rgba(7,12,21,.6),rgba(7,12,21,.96)),
      url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .page-hero::after{
    content:'';position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(560px 280px at 84% 18%,rgba(228,179,74,.14),transparent 68%);
  }
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;position:relative;z-index:1}
  .crumbs a:hover{color:var(--accent)}
  .crumbs .sep{color:var(--text-3);opacity:.6}
  .crumbs .current{color:var(--text-2)}
  .page-hero h1{
    font-size:40px;line-height:1.28;position:relative;z-index:1;max-width:900px;
  }
  .page-hero .page-lead{
    position:relative;z-index:1;
    margin-top:16px;font-size:16.5px;color:var(--text-2);max-width:680px;
  }
  .hero-stats{
    position:relative;z-index:1;
    display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;
  }
  .stat-chip{
    display:flex;align-items:baseline;gap:8px;
    padding:12px 16px;border-radius:12px;
    background:rgba(13,21,36,.66);
    border:1px solid var(--line);
  }
  .stat-chip b{font-size:20px;color:var(--brand-strong);font-variant-numeric:tabular-nums}
  .stat-chip span{font-size:13px;color:var(--text-3)}

  /* ============ 更新条 ============ */
  .update-bar{
    display:flex;align-items:center;gap:16px;
    padding:14px 18px;
    border:1px solid var(--line);
    border-radius:14px;
    background:linear-gradient(90deg,rgba(228,179,74,.1),rgba(13,21,36,.6) 42%);
  }
  .update-bar .live{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--brand-strong);white-space:nowrap;
  }
  .dot-live{
    width:8px;height:8px;border-radius:50%;background:var(--brand);
    box-shadow:0 0 0 4px rgba(228,179,74,.16);
  }
  .update-scroll{
    display:flex;gap:12px;overflow-x:auto;padding-bottom:2px;
    scrollbar-width:thin;
  }
  .update-scroll::-webkit-scrollbar{height:5px}
  .update-scroll::-webkit-scrollbar-thumb{background:rgba(140,180,230,.2);border-radius:99px}
  .update-pill{
    flex:0 0 auto;
    display:flex;align-items:center;gap:10px;
    padding:8px 14px;border-radius:999px;
    border:1px solid var(--line);
    background:rgba(7,12,21,.6);
    font-size:13.5px;color:var(--text-2);
    transition:all var(--ease);
  }
  .update-pill time{color:var(--text-3);font-size:12.5px;font-variant-numeric:tabular-nums}
  .update-pill:hover{border-color:rgba(63,208,224,.4);color:var(--text-1)}

  /* ============ 时间轴 + 侧栏 ============ */
  .track-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}

  .timeline{position:relative;padding-left:38px}
  .timeline::before{
    content:'';position:absolute;left:9px;top:10px;bottom:14px;width:1px;
    background:linear-gradient(180deg,rgba(228,179,74,.65),rgba(63,208,224,.3) 55%,rgba(140,180,230,.05));
  }
  .tl-item{position:relative;padding-bottom:26px}
  .tl-item:last-child{padding-bottom:0}
  .tl-item::before{
    content:'';position:absolute;left:-35px;top:12px;
    width:18px;height:18px;border-radius:50%;
    background:var(--bg-0);
    border:1px solid rgba(228,179,74,.5);
    transition:all var(--ease);
  }
  .tl-item.is-current::before{
    background:var(--brand);
    border-color:var(--brand-strong);
    box-shadow:0 0 0 4px rgba(228,179,74,.14),0 0 20px rgba(228,179,74,.6);
  }
  .tl-card{
    padding:22px 24px;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:var(--surface);
    box-shadow:var(--shadow-card);
    transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  }
  .tl-card:hover{transform:translateY(-2px);border-color:rgba(228,179,74,.34);box-shadow:0 1px 2px rgba(0,0,0,.45),0 30px 70px -26px rgba(0,0,0,.85)}
  .tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
  .tl-meta time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
  .tl-card h3{font-size:19px;line-height:1.45}
  .tl-card p{margin-top:10px;font-size:14.8px;color:var(--text-2)}
  .tl-points{margin-top:14px;display:grid;gap:8px}
  .tl-points li{display:flex;gap:10px;font-size:14.2px;color:var(--text-2);align-items:flex-start}
  .tl-points li i{color:var(--accent);font-size:12px;margin-top:6px}
  .tl-diff{
    margin-top:16px;display:grid;gap:10px;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .diff-box{
    padding:12px 14px;border-radius:12px;
    background:rgba(7,12,21,.6);
    border:1px solid var(--line);
  }
  .diff-box em{display:block;font-style:normal;font-size:12px;color:var(--text-3);margin-bottom:4px}
  .diff-box span{font-size:14px;color:var(--text-1)}

  .aside{position:sticky;top:88px;display:grid;gap:18px}
  .aside-card{
    padding:22px;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:var(--surface);
    box-shadow:var(--shadow-card);
  }
  .aside-card h3{font-size:16px;display:flex;align-items:center;gap:8px}
  .aside-card h3 i{color:var(--brand)}
  .aside-card p{margin-top:10px;font-size:14px;color:var(--text-2)}
  .aside-list{margin-top:14px;display:grid;gap:12px}
  .aside-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
  .aside-list li b{color:var(--text-1);font-weight:600}
  .aside-list .idx{
    flex:0 0 auto;width:22px;height:22px;border-radius:7px;
    display:grid;place-items:center;font-size:12px;
    background:rgba(63,208,224,.12);color:var(--accent);
    font-variant-numeric:tabular-nums;
  }
  .aside-cta{margin-top:16px;width:100%}
  .bullet-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line)}
  .bullet-row:last-child{border-bottom:0}
  .bullet-row b{color:var(--text-1);font-variant-numeric:tabular-nums}

  /* ============ 专题横向卡 ============ */
  .topic-scroll{
    display:flex;gap:20px;overflow-x:auto;padding:4px 4px 14px;
    scroll-snap-type:x mandatory;
    scrollbar-width:thin;
  }
  .topic-scroll::-webkit-scrollbar{height:6px}
  .topic-scroll::-webkit-scrollbar-thumb{background:rgba(140,180,230,.2);border-radius:99px}
  .topic-card{
    flex:0 0 340px;scroll-snap-align:start;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:var(--surface);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform var(--ease),border-color var(--ease);
  }
  .topic-card:hover{transform:translateY(-2px);border-color:rgba(63,208,224,.36)}
  .topic-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-1);overflow:hidden}
  .topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
  .topic-card:hover .topic-thumb img{transform:scale(1.04)}
  .topic-thumb .badge{position:absolute;left:12px;top:12px}
  .topic-body{padding:18px 20px 20px}
  .topic-body h3{font-size:17px;line-height:1.5}
  .topic-body p{margin-top:8px;font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .topic-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
  .link-more{color:var(--accent);font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
  .link-more:hover{gap:9px}

  /* ============ 关注方向 ============ */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
  .tag{
    padding:9px 16px;border-radius:999px;font-size:14px;
    border:1px solid var(--line);background:rgba(13,21,36,.6);
    color:var(--text-2);transition:all var(--ease);
  }
  .tag:hover{border-color:rgba(228,179,74,.5);color:var(--brand-strong);transform:translateY(-2px)}
  .tag.is-on{background:var(--brand-soft);border-color:rgba(228,179,74,.55);color:var(--brand-strong);font-weight:600}

  .focus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}
  .focus-card{
    padding:24px;border-radius:var(--radius-card);
    border:1px solid var(--line);background:var(--surface);
    box-shadow:var(--shadow-card);transition:all var(--ease);
  }
  .focus-card:hover{transform:translateY(-2px);border-color:rgba(63,208,224,.34)}
  .focus-icon{
    width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
    background:rgba(228,179,74,.12);color:var(--brand-strong);font-size:17px;margin-bottom:16px;
  }
  .focus-card h3{font-size:17px}
  .focus-card p{margin-top:10px;font-size:14.2px;color:var(--text-2)}

  /* ============ CTA 条 ============ */
  .cta-band{
    position:relative;overflow:hidden;
    border-radius:20px;
    border:1px solid rgba(228,179,74,.34);
    background:
      radial-gradient(620px 240px at 88% 12%,rgba(228,179,74,.2),transparent 66%),
      linear-gradient(135deg,rgba(18,29,48,.92),rgba(9,15,26,.94));
    padding:40px 40px;
    box-shadow:var(--shadow-card);
  }
  .cta-band h2{font-size:26px;line-height:1.4}
  .cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:640px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
  .cta-note{margin-top:18px;font-size:13px;color:var(--text-3)}

  /* ============ FAQ ============ */
  .faq-list{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    min-height:56px;padding:16px 0;
    background:transparent;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:600;color:var(--text-1);
    transition:color var(--ease),padding var(--ease);
  }
  .faq-q:hover{color:var(--brand-strong)}
  .faq-item.open .faq-q{color:var(--brand-strong);padding-left:14px;border-left:2px solid var(--brand)}
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:8px;
    border:1px solid var(--line);display:grid;place-items:center;
    color:var(--text-2);font-size:12px;transition:transform var(--ease),background var(--ease);
  }
  .faq-item.open .faq-icon{transform:rotate(135deg);background:var(--brand-soft);color:var(--brand-strong)}
  .faq-a{
    display:none;
    padding:0 0 20px 14px;
    font-size:15px;line-height:1.8;color:var(--text-2);
    border-left:2px solid rgba(228,179,74,.35);
  }
  .faq-item.open .faq-a{display:block}

  /* ============ 页脚 ============ */
  .site-footer{
    background:#05090F;
    border-top:1px solid var(--line);
    padding:64px 0 28px;
    margin-top:24px;
  }
  .footer-main{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:36px;
    padding-bottom:40px;
  }
  .footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);max-width:320px}
  .footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em}
  .footer-col a{display:block;font-size:14px;color:var(--text-3);padding:6px 0;transition:color var(--ease),transform var(--ease)}
  .footer-col a:hover{color:var(--accent);transform:translateX(3px)}
  .footer-col p{font-size:14px;color:var(--text-3);padding:6px 0}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    padding-top:24px;font-size:13px;color:var(--text-3);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .track-layout{grid-template-columns:minmax(0,1fr) 310px;gap:24px}
  }
  @media (max-width:1023px){
    .main-nav{display:none}
    .command-search{display:none}
    .header-tools .icon-btn{display:none}
    .nav-toggle{display:grid}
    .header-tools{margin-left:auto}
    .track-layout{grid-template-columns:minmax(0,1fr)}
    .aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
    .focus-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    .section{padding:72px 0}
    .page-hero h1{font-size:34px}
  }
  @media (max-width:767px){
    .container{padding:0 16px}
    .section{padding:56px 0}
    .section-tight{padding:48px 0}
    .page-hero{padding:40px 0 40px}
    .page-hero h1{font-size:30px;line-height:1.4}
    .h2{font-size:23px}
    .aside{grid-template-columns:minmax(0,1fr)}
    .focus-grid{grid-template-columns:minmax(0,1fr)}
    .tl-diff{grid-template-columns:minmax(0,1fr)}
    .cta-band{padding:28px 22px}
    .cta-band h2{font-size:22px}
    .topic-card{flex:0 0 268px}
  }
  @media (max-width:520px){
    .brand-text{font-size:15.5px}
    .hero-stats{gap:10px}
    .stat-chip{padding:10px 13px}
    .stat-chip b{font-size:18px}
    .footer-main{grid-template-columns:minmax(0,1fr);gap:26px}
    .timeline{padding-left:30px}
    .tl-item::before{left:-27px}
    .btn{width:100%}
    .cta-actions{flex-direction:column}
    .update-bar{flex-direction:column;align-items:flex-start;gap:10px}
  }

/* roulang page: category4 */
:root{
    --bg-0:#070C15;
    --bg-1:#0C1424;
    --surface:rgba(18,29,48,.62);
    --line:rgba(140,180,230,.14);
    --line-strong:rgba(140,180,230,.28);
    --brand:#E4B34A;
    --brand-strong:#F6C85C;
    --accent:#3FD0E0;
    --text-1:#EAF1FB;
    --text-2:#A8B7CE;
    --text-3:#6F819C;
    --ok:#4ADE9B;
    --warn:#F2705F;
    --radius-card:16px;
    --radius-btn:10px;
    --shadow-near:0 1px 2px rgba(0,0,0,.4);
    --shadow-far:0 24px 60px -24px rgba(0,0,0,.7);
    --shadow-card:var(--shadow-near),var(--shadow-far);
    --ease:200ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:
      radial-gradient(900px 520px at 82% -8%, rgba(228,179,74,.10), transparent 62%),
      radial-gradient(760px 460px at 6% 6%, rgba(63,208,224,.08), transparent 60%),
      var(--bg-0);
    color:var(--text-1);
    font-family:'PingFang SC','Microsoft YaHei','Source Han Sans','system-ui',-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:.005em;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
  a:hover{color:var(--brand-strong);}
  button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
  input,select,textarea{font:inherit;color:inherit;}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;line-height:1.3;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  table{border-collapse:separate;border-spacing:0;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
  ::selection{background:rgba(228,179,74,.28);}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  @media (min-width:1280px){.container{max-width:1320px;}}

  .hairline{height:1px;border:0;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:0;}
  .glass{
    background:var(--surface);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid var(--line);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  }
  .num{font-variant-numeric:tabular-nums;}

  /* ============ HEADER / NAV ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(7,12,21,.78);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;align-items:center;gap:22px;
    height:64px;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:28px;height:28px;border-radius:9px;
    display:grid;place-items:center;
    background:linear-gradient(140deg,var(--brand-strong),var(--brand));
    box-shadow:0 8px 22px -10px rgba(228,179,74,.8);
    transform:rotate(45deg);
  }
  .brand-mark span{
    width:9px;height:9px;border-radius:2px;
    background:#0A101C;display:block;
  }
  .brand-text{
    font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text-1);
    white-space:nowrap;
  }
  .brand:hover .brand-text{color:var(--brand-strong);}

  .main-nav{display:flex;align-items:center;gap:4px;margin-left:2px;}
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    height:64px;padding:0 14px;
    font-size:14.5px;color:var(--text-2);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
    background:var(--brand);border-radius:2px;
    transform:scaleX(0);transform-origin:center;
    transition:transform var(--ease);
  }
  .nav-link:hover{color:var(--text-1);}
  .nav-link:hover::after{transform:scaleX(.55);}
  .nav-link.is-active{color:var(--text-1);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);}

  .nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
  .command-search{
    display:flex;align-items:center;gap:9px;
    width:236px;height:38px;padding:0 10px 0 12px;
    border-radius:10px;
    background:rgba(12,20,36,.7);
    border:1px solid var(--line);
    color:var(--text-3);font-size:13.5px;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .command-search:focus-within{
    border-color:rgba(228,179,74,.55);
    box-shadow:0 0 0 3px rgba(228,179,74,.12);
  }
  .command-search input{
    flex:1;min-width:0;border:0;background:transparent;outline:none;
    color:var(--text-1);font-size:13.5px;
  }
  .command-search input::placeholder{color:var(--text-3);}
  .keycap{
    display:inline-flex;align-items:center;gap:2px;
    padding:2px 6px;border-radius:6px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    font-size:11px;color:var(--text-3);white-space:nowrap;
  }
  .icon-btn{
    width:38px;height:38px;border-radius:10px;
    display:grid;place-items:center;
    border:1px solid var(--line);
    color:var(--text-2);
    transition:border-color var(--ease),color var(--ease),transform var(--ease);
  }
  .icon-btn:hover{border-color:var(--line-strong);color:var(--brand-strong);transform:translateY(-1px);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:42px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:14.5px;font-weight:600;white-space:nowrap;
    transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  }
  .btn-sm{height:38px;padding:0 16px;font-size:14px;}
  .btn-brand{
    background:linear-gradient(180deg,var(--brand-strong),var(--brand));
    color:#0A101C;
    box-shadow:0 8px 28px -10px rgba(228,179,74,.65);
  }
  .btn-brand:hover{
    filter:brightness(1.06);transform:translateY(-2px);
    box-shadow:0 14px 34px -10px rgba(228,179,74,.8);
    color:#0A101C;
  }
  .btn-ghost{
    border:1px solid rgba(63,208,224,.4);
    color:var(--accent);
    background:transparent;
  }
  .btn-ghost:hover{
    background:rgba(63,208,224,.1);
    border-color:var(--accent);
    color:var(--accent);
    transform:translateY(-2px);
  }

  .nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);place-items:center;color:var(--text-1);}

  .drawer{
    display:none;
    border-top:1px solid var(--line);
    background:rgba(7,12,21,.97);
    padding:18px 0 24px;
  }
  .drawer.is-open{display:block;}
  .drawer .drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
  .drawer .drawer-nav a{
    padding:12px 4px;border-bottom:1px solid var(--line);
    color:var(--text-2);font-size:15px;
  }
  .drawer .drawer-nav a.is-active{color:var(--brand-strong);font-weight:600;}
  .drawer .command-search{width:100%;margin-bottom:14px;}
  .drawer .btn{width:100%;}

  @media (max-width:1023px){
    .main-nav{display:none;}
    .nav-right .command-search,.nav-right .icon-btn{display:none;}
    .nav-toggle{display:grid;}
    .nav-right{gap:10px;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .brand-text{font-size:15.5px;}
    .nav-right .btn{display:none;}
  }

  /* ============ HERO ============ */
  .slim-hero{
    position:relative;
    padding:76px 0 68px;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .slim-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    opacity:.26;
  }
  .slim-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,var(--bg-0) 8%,rgba(7,12,21,.72) 48%,rgba(7,12,21,.9) 100%);
  }
  .hero-inner{position:relative;z-index:2;max-width:820px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:5px 12px;border-radius:999px;
    border:1px solid rgba(228,179,74,.35);
    background:rgba(228,179,74,.08);
    color:var(--brand-strong);font-size:12.5px;font-weight:600;
    margin-bottom:20px;
  }
  .slim-hero h1{
    font-size:40px;line-height:1.28;font-weight:700;letter-spacing:-.01em;
    margin-bottom:16px;
  }
  .slim-hero h1 em{font-style:normal;color:var(--brand-strong);}
  .hero-lead{font-size:16.5px;color:var(--text-2);max-width:720px;}
  .hero-metrics{
    display:flex;flex-wrap:wrap;gap:28px;margin-top:32px;
  }
  .metric-item{display:flex;flex-direction:column;gap:2px;}
  .metric-item strong{font-size:24px;color:var(--brand-strong);font-weight:700;line-height:1.2;}
  .metric-item span{font-size:13px;color:var(--text-3);}
  @media (max-width:640px){
    .slim-hero{padding:52px 0 46px;}
    .slim-hero h1{font-size:30px;line-height:1.34;}
    .hero-lead{font-size:15.5px;}
    .hero-metrics{gap:20px;}
    .metric-item strong{font-size:20px;}
  }

  /* ============ SECTION SHELL ============ */
  .section{padding:96px 0;}
  .section-tight{padding:64px 0;}
  .section-head{margin-bottom:40px;max-width:760px;}
  .section-head h2{font-size:28px;line-height:1.35;margin-bottom:12px;}
  .section-head p{color:var(--text-2);font-size:15.5px;}
  .kicker{
    display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.14em;
    color:var(--accent);text-transform:uppercase;margin-bottom:10px;
  }
  @media (max-width:640px){
    .section{padding:60px 0;}
    .section-tight{padding:44px 0;}
    .section-head{margin-bottom:28px;}
    .section-head h2{font-size:22px;}
  }

  /* ============ TAG ROW ============ */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:7px 14px;border-radius:999px;
    border:1px solid var(--line);
    background:rgba(12,20,36,.6);
    color:var(--text-2);font-size:13.5px;
    transition:border-color var(--ease),color var(--ease),transform var(--ease),background var(--ease);
  }
  .tag:hover{border-color:rgba(228,179,74,.5);color:var(--brand-strong);background:rgba(228,179,74,.08);transform:translateY(-1px);}
  .tag.is-on{border-color:rgba(228,179,74,.55);color:var(--brand-strong);background:rgba(228,179,74,.1);}

  /* ============ COMPARE TABLE ============ */
  .table-card{
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(18,29,48,.78),rgba(12,20,36,.62));
    box-shadow:var(--shadow-card);
    overflow:hidden;
  }
  .compare-table{width:100%;}
  .compare-table thead th{
    text-align:left;font-size:13px;font-weight:600;color:var(--text-3);
    letter-spacing:.04em;
    padding:18px 20px;
    background:rgba(7,12,21,.55);
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .compare-table tbody td{
    padding:20px;
    font-size:14.5px;color:var(--text-2);
    border-bottom:1px solid var(--line);
    vertical-align:top;
  }
  .compare-table tbody tr:last-child td{border-bottom:0;}
  .compare-table tbody tr{transition:background var(--ease);}
  .compare-table tbody tr:hover{background:rgba(228,179,74,.05);}
  .compare-table td.cell-key{
    color:var(--text-1);font-weight:600;font-size:15px;
    white-space:nowrap;
  }
  .cell-time{color:var(--accent);font-weight:600;white-space:nowrap;}
  .tag-mini{
    display:inline-block;padding:3px 9px;border-radius:999px;
    font-size:12px;font-weight:600;
    border:1px solid rgba(63,208,224,.32);color:var(--accent);
    background:rgba(63,208,224,.08);
  }

  @media (max-width:820px){
    .compare-table thead{display:none;}
    .compare-table tbody tr{
      display:block;padding:6px 0;
      border-bottom:1px solid var(--line);
      background:transparent;
    }
    .compare-table tbody tr:last-child{border-bottom:0;}
    .compare-table tbody td{
      display:flex;gap:16px;justify-content:space-between;align-items:flex-start;
      padding:9px 18px;border-bottom:0;font-size:14px;
    }
    .compare-table tbody td::before{
      content:attr(data-label);
      flex:0 0 84px;
      color:var(--text-3);font-size:12.5px;font-weight:600;
      padding-top:2px;
    }
    .compare-table td.cell-key{white-space:normal;}
    .compare-table td.cell-key::before{color:var(--text-3);}
  }

  /* ============ HELP CARDS ============ */
  .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  @media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:640px){.card-grid{grid-template-columns:1fr;}}

  .info-card{
    display:flex;flex-direction:column;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(18,29,48,.7),rgba(11,18,32,.66));
    box-shadow:var(--shadow-card);
    overflow:hidden;
    transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  }
  .info-card:hover{
    transform:translateY(-2px);
    border-color:rgba(228,179,74,.42);
    box-shadow:0 1px 2px rgba(0,0,0,.4),0 30px 66px -26px rgba(0,0,0,.85);
  }
  .card-media{
    position:relative;width:100%;aspect-ratio:16/9;
    background:linear-gradient(140deg,#111C30,#0A1220);
    overflow:hidden;
  }
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out;}
  .info-card:hover .card-media img{transform:scale(1.04);}
  .card-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 40%,rgba(7,12,21,.7));
  }
  .card-badge{
    position:absolute;top:12px;left:12px;z-index:2;
    padding:4px 11px;border-radius:999px;
    font-size:12px;font-weight:600;
    background:rgba(228,179,74,.92);color:#0A101C;
  }
  .card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .card-body h3{font-size:18px;line-height:1.45;}
  .card-body p{color:var(--text-2);font-size:14.5px;}
  .card-foot{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;
    padding-top:14px;border-top:1px solid var(--line);
    font-size:13px;color:var(--text-3);
  }
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--accent);font-size:14px;font-weight:600;
  }
  .text-link i{transition:transform var(--ease);}
  .text-link:hover i{transform:translateX(3px);}

  /* ============ FAQ ============ */
  .faq-wrap{
    display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;
    align-items:start;
  }
  @media (max-width:1023px){.faq-wrap{grid-template-columns:1fr;gap:28px;}}

  .faq-list{
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(18,29,48,.62),rgba(10,17,30,.6));
    box-shadow:var(--shadow-card);
    overflow:hidden;
  }
  .faq-item{
    position:relative;
    border-bottom:1px solid var(--line);
    transition:background var(--ease);
  }
  .faq-item:last-child{border-bottom:0;}
  .faq-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
    background:linear-gradient(180deg,var(--brand-strong),rgba(228,179,74,0));
    opacity:0;transition:opacity var(--ease);
  }
  .faq-item.is-open::before{opacity:1;}
  .faq-item.is-open{background:rgba(228,179,74,.045);}
  .faq-q{
    width:100%;min-height:56px;
    display:flex;align-items:center;gap:16px;justify-content:space-between;
    padding:16px 22px;
    text-align:left;font-size:15.5px;font-weight:600;color:var(--text-1);
  }
  .faq-q:hover{color:var(--brand-strong);}
  .faq-icon{
    flex:0 0 auto;width:24px;height:24px;border-radius:999px;
    display:grid;place-items:center;
    border:1px solid var(--line);
    color:var(--accent);font-size:13px;
    transition:transform var(--ease),border-color var(--ease),color var(--ease);
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brand);color:var(--brand-strong);}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height 300ms ease-out;
  }
  .faq-item.is-open .faq-a{max-height:520px;}
  .faq-a-inner{
    padding:0 22px 22px 22px;
    color:var(--text-2);font-size:15px;line-height:1.8;
  }
  .faq-a-inner strong{color:var(--text-1);}

  .side-card{
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    background:linear-gradient(180deg,rgba(18,29,48,.72),rgba(11,18,32,.68));
    box-shadow:var(--shadow-card);
    padding:24px;
    position:sticky;top:88px;
  }
  .side-card h3{font-size:17px;margin-bottom:16px;}
  .side-list{display:flex;flex-direction:column;gap:14px;}
  .side-list li{
    display:flex;gap:12px;align-items:flex-start;
    font-size:14.5px;color:var(--text-2);
    padding-bottom:14px;border-bottom:1px dashed var(--line);
  }
  .side-list li:last-child{padding-bottom:0;border-bottom:0;}
  .side-list i{color:var(--brand);margin-top:5px;font-size:13px;}

  /* ============ CTA BAND ============ */
  .cta-band{
    position:relative;overflow:hidden;
    border-radius:var(--radius-card);
    border:1px solid rgba(228,179,74,.28);
    background:linear-gradient(120deg,rgba(228,179,74,.14),rgba(18,29,48,.7) 46%,rgba(63,208,224,.1));
    box-shadow:var(--shadow-card);
    padding:44px 40px;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
  }
  .cta-band::before{
    content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(228,179,74,.24),transparent 68%);
  }
  .cta-band h2{font-size:26px;margin-bottom:10px;position:relative;}
  .cta-band p{color:var(--text-2);font-size:15px;max-width:640px;position:relative;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
  @media (max-width:860px){
    .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;}
    .cta-band h2{font-size:21px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1;}
  }

  /* ============ FOOTER ============ */
  .site-footer{
    background:#050A12;
    border-top:1px solid var(--line);
    padding:64px 0 28px;
    margin-top:0;
  }
  .footer-main{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:36px;
    padding-bottom:36px;
  }
  .footer-brand p{color:var(--text-3);font-size:14px;margin-top:14px;max-width:320px;}
  .footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
  .footer-col a,.footer-col p{
    display:block;color:var(--text-3);font-size:14px;margin-bottom:10px;
  }
  .footer-col a:hover{color:var(--brand-strong);}
  .footer-bottom{
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    padding-top:22px;color:var(--text-3);font-size:13px;
  }
  @media (max-width:900px){
    .footer-main{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:560px){
    .footer-main{grid-template-columns:1fr;}
    .site-footer{padding:44px 0 22px;}
    .footer-bottom{flex-direction:column;gap:8px;}
  }