/* roulang page: index */
:root{
  --bg:#131120;
  --bg-deep:#0E0C19;
  --surface:rgba(255,255,255,.045);
  --surface-2:#1A1828;
  --primary:#E9A94D;
  --primary-hover:#F2B968;
  --secondary:#4FB3A8;
  --text:#EDEAF4;
  --muted:#A2A0B8;
  --line:rgba(237,234,244,.10);
  --line-amber:rgba(233,169,77,.14);
  --radius:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --section-gap:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(233,169,77,.10) 0, rgba(233,169,77,0) 32%),
    radial-gradient(circle at 88% 0%, rgba(79,179,168,.08) 0, rgba(79,179,168,0) 30%),
    linear-gradient(180deg,#131120 0%,#0E0C19 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.section{padding-top:var(--section-gap);padding-bottom:0}
.section:last-of-type{padding-bottom:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
h1,h2,h3{letter-spacing:-0.01em;margin:0}
h2{font-size:30px;line-height:1.35;font-weight:700}
h3{font-size:21px;line-height:1.5;font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  text-transform:uppercase;font-weight:600;margin-bottom:10px;
}
.lead-muted{color:var(--muted);font-size:15px;max-width:640px;margin:0}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;padding-top:16px}
.nav-panel{
  display:flex;align-items:center;gap:20px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:18px;
  padding:12px 16px;
  box-shadow:0 14px 34px rgba(0,0,0,.42);
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 42px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(233,169,77,.22),rgba(79,179,168,.12));
  border:1px solid rgba(233,169,77,.34);
  color:var(--primary);font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-0.02em}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase}
.nav-cards{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--muted);
  border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.nav-card i{font-size:14px;opacity:.85}
.nav-card:hover{background:rgba(255,255,255,.06);color:var(--text)}
.nav-card.active{
  color:var(--text);background:rgba(233,169,77,.10);
  border-color:rgba(233,169,77,.28);
  box-shadow:inset 0 -2px 0 var(--primary);
}
.nav-card.active i{color:var(--primary)}
.nav-cta{flex-shrink:0;margin-left:6px}
.nav-toggle{
  display:none;background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text);width:42px;height:42px;border-radius:var(--radius-sm);
  font-size:16px;cursor:pointer;
}
.mobile-nav{display:none;margin-top:12px;padding:14px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.mobile-nav.open{display:block}
.mobile-nav a{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--muted);border:1px solid transparent;
}
.mobile-nav a.active{color:var(--text);background:rgba(233,169,77,.10);border-color:rgba(233,169,77,.28)}
.mobile-nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.mobile-nav .btn-star{margin-top:10px;width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;
  line-height:1.4;text-align:center;
}
.btn-star{background:var(--primary);color:#131120;box-shadow:0 8px 22px rgba(233,169,77,.22)}
.btn-star:hover{background:var(--primary-hover);color:#131120;transform:translateY(-1px);box-shadow:0 12px 26px rgba(233,169,77,.30)}
.btn-star:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(237,234,244,.22);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--text);background:rgba(233,169,77,.08)}
.btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:15px;padding:6px 0}
.btn-text i{transition:transform .2s ease}
.btn-text:hover i{transform:translateX(4px)}
.btn-text:hover{color:var(--primary-hover)}

/* ============ Hero ============ */
.hero{padding-top:56px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(233,169,77,.42);color:var(--primary);
  font-size:13px;font-weight:600;background:rgba(233,169,77,.07);
}
.hero h1{
  font-size:46px;line-height:1.25;font-weight:800;letter-spacing:-0.02em;
  margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{color:var(--muted);font-size:16.5px;line-height:1.85;margin:0 0 28px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;padding-top:22px;border-top:1px dashed rgba(237,234,244,.14)}
.stat-num{font-size:26px;font-weight:800;color:var(--primary);line-height:1.2;letter-spacing:-0.02em}
.stat-label{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(233,169,77,.20);box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.hero-frame img{width:100%;height:100%;object-fit:cover;filter:brightness(.62) saturate(.9)}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,12,25,.15) 0%,rgba(14,12,25,.72) 100%);
}
.frame-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(14,12,25,.72);border:1px solid rgba(233,169,77,.30);
  border-radius:var(--radius-pill);padding:7px 16px;font-size:13px;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.frame-tag i{color:var(--primary)}
.frame-caliper{
  position:absolute;top:14px;right:16px;z-index:2;
  width:38px;height:38px;border-top:1px solid rgba(233,169,77,.55);
  border-right:1px solid rgba(233,169,77,.55);opacity:.9;
}
.frame-caliper::before{
  content:"";position:absolute;top:-3px;left:-3px;width:5px;height:5px;
  border-radius:50%;background:var(--primary);
}

/* ============ 特性小卡 ============ */
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.mini-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;display:flex;gap:16px;align-items:flex-start;
  transition:all .22s ease;
}
.mini-card:hover{border-color:rgba(233,169,77,.38);transform:translateY(-4px);box-shadow:var(--shadow)}
.mini-ico{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(233,169,77,.12);border:1px solid rgba(233,169,77,.26);color:var(--primary);
  font-size:16px;
}
.mini-card h3{font-size:16.5px;margin-bottom:6px}
.mini-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 步骤 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px 24px;transition:all .22s ease;
}
.step-card:hover{border-color:rgba(233,169,77,.38);transform:translateY(-4px);box-shadow:var(--shadow)}
.step-num{
  font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--primary);
  display:block;margin-bottom:14px;
}
.step-card h3{font-size:17px;margin-bottom:8px}
.step-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 入口目录 ============ */
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dir-card{
  background:var(--surface);border:1px solid var(--line-amber);
  border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;
  min-height:250px;transition:all .22s ease;position:relative;overflow:hidden;
}
.dir-card:hover{border-color:rgba(233,169,77,.42);transform:translateY(-4px);box-shadow:var(--shadow)}
.dir-no{font-size:13px;letter-spacing:.18em;color:var(--primary);font-weight:700}
.dir-card h3{font-size:20px;margin:12px 0 10px}
.dir-card p{margin:0 0 20px;font-size:14.5px;color:var(--muted);line-height:1.85;flex:1}
.dir-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}
.count-badge{
  font-size:12.5px;color:var(--secondary);border:1px solid rgba(79,179,168,.34);
  background:rgba(79,179,168,.08);border-radius:var(--radius-pill);padding:4px 12px;
}
.dir-arrow{color:var(--primary);font-size:14px;transition:transform .2s ease}
.dir-card:hover .dir-arrow{transform:translateX(4px)}

/* ============ 精选 ============ */
.feature-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}
.feature-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .22s ease;display:flex;flex-direction:column;
}
.feature-main:hover{border-color:rgba(233,169,77,.38);transform:translateY(-4px);box-shadow:var(--shadow)}
.feature-main .thumb{aspect-ratio:16/9;overflow:hidden;position:relative}
.feature-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;filter:brightness(.85)}
.feature-main:hover .thumb img{transform:scale(1.03)}
.thumb-badge{
  position:absolute;top:14px;left:14px;background:rgba(14,12,25,.78);
  border:1px solid rgba(233,169,77,.32);border-radius:var(--radius-pill);
  padding:4px 12px;font-size:12.5px;color:var(--primary);
}
.feature-body{padding:26px;display:flex;flex-direction:column;flex:1}
.feature-body h3{font-size:22px;margin-bottom:12px}
.feature-body p{color:var(--muted);font-size:14.5px;line-height:1.85;margin:0 0 20px;flex:1}
.meta-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(237,234,244,.34)}
.side-stack{display:flex;flex-direction:column;gap:24px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;gap:18px;align-items:flex-start;flex:1;
  transition:all .22s ease;
}
.side-card:hover{border-color:rgba(233,169,77,.38);transform:translateY(-4px);box-shadow:var(--shadow)}
.side-thumb{width:96px;height:96px;flex:0 0 96px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.side-thumb img{width:100%;height:100%;object-fit:cover;filter:brightness(.86)}
.side-body h3{font-size:17px;margin-bottom:8px;line-height:1.5}
.side-body p{margin:0 0 10px;font-size:13.5px;color:var(--muted);line-height:1.8}

/* ============ CMS 最新信息 ============ */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cms-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:all .22s ease;min-height:210px;
}
.cms-card:hover{border-color:rgba(233,169,77,.38);transform:translateY(-4px);box-shadow:var(--shadow)}
.cms-card h3{font-size:17.5px;line-height:1.55}
.cms-card h3 a:hover{color:var(--primary)}
.cms-card p{
  margin:0;font-size:14px;color:var(--muted);line-height:1.8;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;padding:3px 11px;border-radius:var(--radius-pill);
  background:rgba(79,179,168,.10);border:1px solid rgba(79,179,168,.30);color:var(--secondary);
}
.cms-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  border:1px dashed rgba(237,234,244,.16);border-radius:var(--radius);
  background:var(--surface);color:var(--muted);
}
.cms-empty i{font-size:26px;color:var(--primary);display:block;margin-bottom:12px}
.cms-empty p{margin:0 0 18px;font-size:14.5px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);margin-bottom:14px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  width:100%;background:transparent;border:0;text-align:left;
  padding:20px 24px;color:var(--text);font-size:16.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:none;cursor:pointer;transition:color .2s ease;
}
.accordion-button:hover{color:var(--primary)}
.accordion-button::after{display:none}
.accordion-button .sign{color:var(--primary);font-size:15px;transition:transform .25s ease;flex-shrink:0}
.accordion-button[aria-expanded="true"]{color:var(--primary)}
.accordion-button[aria-expanded="true"] .sign{transform:rotate(45deg)}
.accordion-body{
  padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);
}
.accordion-item:has(.accordion-button[aria-expanded="true"]){border-color:rgba(233,169,77,.38)}

/* ============ CTA ============ */
.cta-bar{
  margin-top:var(--section-gap);
  background:linear-gradient(120deg,rgba(26,24,40,.96),rgba(19,17,32,.96));
  border:1px solid rgba(233,169,77,.20);border-radius:24px;
  padding:40px;position:relative;overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;left:40px;right:40px;bottom:16px;height:1px;
  background:repeating-linear-gradient(90deg,rgba(233,169,77,.35) 0 6px,transparent 6px 16px);
  opacity:.5;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:24px;margin-bottom:6px}
.cta-inner p{margin:0;color:var(--muted);font-size:14.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--section-gap);border-top:1px solid var(--line);padding:64px 0 28px;background:rgba(14,12,25,.55)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:17px;font-weight:800}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.9;margin:0;max-width:320px}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin:0 0 16px}
.footer-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{font-size:14px;color:var(--muted)}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom .dot-sep{display:inline-block;margin:0 8px;opacity:.5}

/* ============ 装饰 ============ */
.starline{
  height:1px;margin-top:var(--section-gap);
  background:repeating-linear-gradient(90deg,rgba(237,234,244,.16) 0 5px,transparent 5px 14px);
  opacity:.55;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero h1{font-size:40px}
  .cms-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  :root{--section-gap:72px}
  .nav-cards{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .hero h1{font-size:34px}
  .feature-row{grid-template-columns:1fr;gap:16px}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .dir-grid{grid-template-columns:1fr}
  .feature-layout{grid-template-columns:1fr}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-bar{padding:28px}
}
@media (max-width:767px){
  :root{--section-gap:56px}
  .container{padding-left:18px;padding-right:18px}
  h2{font-size:24px}
  .hero{padding-top:36px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:22px}
  .stat-num{font-size:22px}
  .step-grid{grid-template-columns:1fr}
  .cms-grid{grid-template-columns:1fr}
  .side-card{flex-direction:column}
  .side-thumb{width:100%;height:150px;flex:none}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .brand-text small{display:none}
  .brand-text strong{font-size:15.5px}
  .feature-body h3{font-size:19px}
}

/* roulang page: article */
:root{
  --bg:#0E0C19;
  --bg-soft:#131120;
  --surface:rgba(255,255,255,.045);
  --surface-solid:#1A1828;
  --primary:#E9A94D;
  --primary-hover:#F2B968;
  --secondary:#4FB3A8;
  --text:#EDEAF4;
  --muted:#A2A0B8;
  --line:rgba(237,234,244,.10);
  --line-strong:rgba(233,169,77,.14);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 10% 4%, rgba(233,169,77,.07), transparent 40%),
    radial-gradient(circle at 92% 0%, rgba(79,179,168,.06), transparent 38%);
  background-repeat:no-repeat;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;}
::selection{background:rgba(233,169,77,.28);color:#fff;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--primary);color:#131120;}
.btn-primary:hover{background:var(--primary-hover);color:#131120;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(237,234,244,.22);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);color:var(--text);background:rgba(233,169,77,.08);}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;}
.link-arrow i{font-size:12px;transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}
/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  padding:14px 0;
  background:rgba(14,12,25,.94);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  background:var(--surface-solid);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:12px 18px;
  box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(233,169,77,.24),rgba(233,169,77,.06));
  border:1px solid rgba(233,169,77,.35);
  color:var(--primary);font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-card{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:8px;
  font-size:14px;color:var(--muted);
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-card i{font-size:13px;color:var(--secondary);}
.nav-card:hover{background:rgba(255,255,255,.06);color:var(--text);}
.nav-card.active{color:var(--text);background:rgba(255,255,255,.06);}
.nav-card.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.nav-cta{padding:10px 18px;font-size:14px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text);font-size:16px;cursor:pointer;
}
.nav-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:52px 0 40px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,12,25,.90),rgba(14,12,25,.97));
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(233,169,77,.6) 1px,transparent 1px);
  background-size:180px 140px;
  opacity:.14;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb-line a{color:var(--muted);}
.breadcrumb-line a:hover{color:var(--primary);}
.breadcrumb-line .sep{
  width:4px;height:4px;border-radius:50%;
  background:rgba(237,234,244,.34);display:inline-block;flex-shrink:0;
}
.breadcrumb-line .current{color:var(--text);}
.article-title{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;line-height:1.28;letter-spacing:-.02em;
  max-width:920px;margin-bottom:22px;color:var(--text);
}
.meta-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item i{font-size:12px;color:var(--secondary);}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;color:var(--primary);
  border:1px solid rgba(233,169,77,.38);
  background:rgba(233,169,77,.08);
}
/* ============ 正文布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 240px;
  gap:48px;
  align-items:start;
  padding:56px 0 80px;
}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:40px 44px 44px;
  box-shadow:var(--shadow);
}
.article-body{
  max-width:800px;
  font-size:16.5px;
  line-height:1.95;
  color:#DDD9EA;
}
.article-body > p:first-of-type{
  font-size:1.07rem;font-weight:500;color:var(--text);
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:28px;font-weight:700;line-height:1.35;
  color:var(--text);margin:52px 0 18px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";display:block;width:16px;height:3px;
  background:var(--primary);border-radius:2px;margin-bottom:14px;
}
.article-body h3{
  font-size:20px;font-weight:600;line-height:1.5;
  color:var(--text);margin:34px 0 12px;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--text);margin:26px 0 10px;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.55em;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--primary-hover);}
.article-body strong{color:var(--text);font-weight:600;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(233,169,77,.07);
  border-radius:0 10px 10px 0;
  color:var(--muted);font-size:15.5px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px auto;filter:brightness(.94);}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  font-size:13px;color:var(--muted);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 16px;border:1px solid var(--line);text-align:left;
}
.article-body th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.88em;padding:2px 6px;border-radius:6px;
  background:rgba(255,255,255,.08);color:var(--primary);
}
.article-body pre{
  background:#0B0A14;border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;overflow-x:auto;margin:24px 0;
}
.article-body pre code{background:none;padding:0;color:#D9D5E8;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body::after{content:"";display:block;clear:both;}
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
}
.article-foot .note{font-size:13px;color:var(--muted);}
/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(233,169,77,.10);border:1px solid rgba(233,169,77,.30);
  color:var(--primary);font-size:22px;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--text);margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:24px;}
/* 侧栏 */
.side-rail{
  position:sticky;top:100px;
  display:flex;flex-direction:column;gap:18px;
}
.rail-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px;
}
.rail-title{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;
}
.rail-title i{font-size:12px;color:var(--primary);}
#tocList{
  list-style:none;margin:0;padding:0;
  display:flex;flex-direction:column;
  border-left:1px solid var(--line);
}
#tocList a{
  display:block;padding:7px 0 7px 14px;margin-left:-1px;
  font-size:13.5px;line-height:1.5;color:var(--muted);
  border-left:2px solid transparent;
}
#tocList a:hover{color:var(--primary);border-left-color:var(--primary);}
.rail-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.rail-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:13.5px;color:var(--muted);
  padding:9px 12px;border-radius:8px;
  background:rgba(255,255,255,.04);
  border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.rail-links a:hover{background:rgba(255,255,255,.08);border-color:rgba(233,169,77,.30);color:var(--text);}
.rail-links i{font-size:11px;color:var(--secondary);}
/* ============ 相关推荐 ============ */
.related{padding:0 0 88px;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--text);
  letter-spacing:-.01em;line-height:1.35;
}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;max-width:56ch;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{
  transform:translateY(-4px);
  border-color:rgba(233,169,77,.38);
  box-shadow:var(--shadow),0 0 0 1px rgba(233,169,77,.35);
  color:inherit;
}
.post-cover{aspect-ratio:16/9;overflow:hidden;background:#1A1828;}
.post-cover img{width:100%;height:100%;object-fit:cover;filter:brightness(.9);transition:transform .35s ease;}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{padding:20px 22px 24px;}
.tag{
  display:inline-block;font-size:12px;color:var(--secondary);
  border:1px solid rgba(79,179,168,.35);background:rgba(79,179,168,.08);
  border-radius:999px;padding:3px 10px;margin-bottom:10px;
}
.post-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:8px;}
.post-body p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12.5px;color:var(--muted);}
/* ============ 页脚 ============ */
.site-footer{background:#0B0A14;border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:16px;}
.footer-brand strong{font-weight:700;color:var(--text);}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:13px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--muted);max-width:36ch;}
.footer-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-list li{font-size:14px;color:var(--muted);line-height:1.7;}
.footer-list a{color:var(--muted);}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;padding:22px 0;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.dot-sep{margin:0 8px;opacity:.5;}
/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:36px;}
  .article-card{padding:34px 34px 38px;}
}
@media (max-width:991px){
  .header-inner{flex-wrap:wrap;gap:12px;}
  .nav-cards{
    display:none;width:100%;order:3;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;
    margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  }
  .header-inner.nav-open .nav-cards{display:flex;}
  .header-inner.nav-open .nav-cta{display:flex;order:4;width:100%;margin-top:10px;}
  .nav-cta{display:none;}
  .nav-card{padding:11px 14px;background:rgba(255,255,255,.04);}
  .nav-card.active::after{left:14px;right:auto;width:22px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .brand{margin-right:auto;}
  .article-layout{grid-template-columns:1fr;gap:32px;padding:44px 0 64px;}
  .side-rail{display:none;}
  .article-card{padding:28px 26px 32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-hero{padding:40px 0 32px;}
  .article-body h2{font-size:24px;margin-top:40px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .article-title{font-size:26px;line-height:1.35;}
  .article-layout{padding:32px 0 56px;}
  .article-card{padding:22px 18px 26px;border-radius:14px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .related{padding:0 0 64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .article-foot .btn{width:100%;}
  .section-head h2{font-size:21px;}
}
@media (max-width:520px){
  .brand-text span{display:none;}
  .brand-text strong{font-size:15px;}
  .article-hero{padding:30px 0 26px;}
  .article-title{font-size:23px;}
  .breadcrumb-line{font-size:12px;gap:8px;}
  .meta-line{font-size:12.5px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category1 */
:root{
  --bg:#131120;
  --bg-deep:#0E0C19;
  --surface:#1A1828;
  --surface-2:rgba(255,255,255,.045);
  --primary:#E9A94D;
  --primary-hover:#F2B968;
  --secondary:#4FB3A8;
  --text:#EDEAF4;
  --muted:#A2A0B8;
  --line:rgba(237,234,244,.10);
  --line-warm:rgba(233,169,77,.14);
  --line-warm-strong:rgba(233,169,77,.38);
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(233,169,77,.14) 0 1px, transparent 1.6px),
    radial-gradient(circle at 78% 32%, rgba(237,234,244,.10) 0 1px, transparent 1.6px),
    radial-gradient(circle at 42% 76%, rgba(79,179,168,.12) 0 1px, transparent 1.6px);
  background-size:520px 520px, 640px 640px, 780px 780px;
  opacity:.9;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:var(--section) 0;position:relative;z-index:1;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head h2{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.01em;
  margin:0 0 14px;
}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--primary);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;
  background:var(--primary);
  display:inline-block;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(19,17,32,.97);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.38);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:76px;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:11px;
  display:grid;place-items:center;
  background:rgba(233,169,77,.12);
  border:1px solid rgba(233,169,77,.42);
  color:var(--primary);
  font-size:14px;
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text strong{font-size:15px;font-weight:800;letter-spacing:.01em;color:var(--text);}
.logo-text span{font-size:10.5px;color:var(--muted);letter-spacing:.14em;margin-top:2px;}

.nav-cards{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-left:8px;
}
.nav-card{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 15px;
  border-radius:var(--radius-sm);
  font-size:14px;
  color:var(--muted);
  border:1px solid transparent;
  transition:all .2s ease;
  white-space:nowrap;
}
.nav-card i{font-size:12px;opacity:.85;}
.nav-card:hover{
  background:rgba(255,255,255,.06);
  color:var(--text);
  border-color:var(--line);
}
.nav-card.active{
  color:var(--text);
  background:rgba(233,169,77,.10);
  border-color:rgba(233,169,77,.20);
}
.nav-card.active::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
}
.header-cta{margin-left:auto;flex-shrink:0;}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  font-size:16px;
  cursor:pointer;
  transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--line-warm-strong);color:var(--primary);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .22s ease;
  box-shadow:none;
}
.btn:focus,.btn:focus-visible{box-shadow:none;outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary{
  background:var(--primary);
  color:var(--bg-deep);
  border-color:var(--primary);
}
.btn-primary:hover{
  background:var(--primary-hover);
  border-color:var(--primary-hover);
  color:var(--bg-deep);
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:rgba(237,234,244,.22);
}
.btn-ghost:hover{
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-1px);
}
.btn-line{
  background:transparent;
  color:var(--primary);
  border:none;
  padding:6px 0;
  font-size:14.5px;
}
.btn-line i{transition:transform .22s ease;}
.btn-line:hover{color:var(--primary-hover);}
.btn-line:hover i{transform:translateX(4px);}
.btn-sm{padding:9px 16px;font-size:13.5px;}

/* ===== 分类页头 ===== */
.page-hero{
  position:relative;
  padding:76px 0 84px;
  background-image:linear-gradient(180deg, rgba(14,12,25,.94) 0%, rgba(19,17,32,.97) 78%, var(--bg) 100%), url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  z-index:1;
}
.page-hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 14px;
  border-radius:999px;
  font-size:12.5px;
  letter-spacing:.05em;
  color:var(--primary);
  border:1px solid rgba(233,169,77,.42);
  background:rgba(233,169,77,.07);
  margin-bottom:20px;
}
.badge-pill i{font-size:10px;}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.02em;
  margin:0 0 20px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--primary);
}
.hero-lead{
  font-size:16.5px;
  color:var(--muted);
  max-width:600px;
  margin-bottom:28px;
}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:38px;
  padding-top:26px;
  border-top:1px dashed var(--line);
}
.hero-metrics li{display:flex;flex-direction:column;}
.hero-metrics strong{
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  line-height:1.2;
  letter-spacing:-.02em;
}
.hero-metrics span{font-size:13px;color:var(--muted);margin-top:4px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius);
  border:1px solid var(--line-warm);
  box-shadow:var(--shadow);
  filter:brightness(.82) saturate(1.05);
}
.hero-media::before{
  content:"";
  position:absolute;
  top:-10px;left:-10px;
  width:34px;height:34px;
  border-top:1px solid rgba(233,169,77,.55);
  border-left:1px solid rgba(233,169,77,.55);
  border-top-left-radius:8px;
}
.hero-media::after{
  content:"";
  position:absolute;
  bottom:-10px;right:-10px;
  width:34px;height:34px;
  border-bottom:1px solid rgba(233,169,77,.55);
  border-right:1px solid rgba(233,169,77,.55);
  border-bottom-right-radius:8px;
}
.hero-caption{
  margin-top:16px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-caption::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--secondary);
  display:inline-block;
}

/* ===== 特性小卡 ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature-card{
  background:var(--surface-2);
  border:1px solid var(--line-warm);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:all .22s ease;
  box-shadow:0 10px 26px rgba(0,0,0,.28);
}
.feature-card:hover{
  border-color:var(--line-warm-strong);
  transform:translateY(-4px);
  box-shadow:var(--shadow), 0 0 0 1px rgba(233,169,77,.30);
}
.feature-icon{
  width:42px;height:42px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(79,179,168,.10);
  border:1px solid rgba(79,179,168,.30);
  color:var(--secondary);
  font-size:16px;
  margin-bottom:18px;
}
.feature-card:nth-child(2) .feature-icon{
  background:rgba(233,169,77,.10);
  border-color:rgba(233,169,77,.34);
  color:var(--primary);
}
.feature-card h3{
  font-size:19px;
  font-weight:600;
  margin:0 0 10px;
  line-height:1.5;
}
.feature-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ===== 场景卡 ===== */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.scene-card{
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 20px;
  transition:all .22s ease;
}
.scene-card:hover{
  border-color:var(--line-warm-strong);
  transform:translateY(-4px);
}
.scene-tag{
  display:inline-block;
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--secondary);
  border:1px solid rgba(79,179,168,.32);
  border-radius:999px;
  padding:2px 10px;
  margin-bottom:14px;
}
.scene-card h3{
  font-size:17px;
  font-weight:600;
  margin:0 0 10px;
  line-height:1.5;
}
.scene-card p{font-size:14px;color:var(--muted);margin:0;}

/* ===== 步骤 ===== */
.steps-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:44px 40px;
  box-shadow:var(--shadow);
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  counter-reset:step;
}
.step-item{position:relative;padding-top:8px;}
.step-num{
  font-size:30px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:-.02em;
  line-height:1;
  margin-bottom:16px;
  display:block;
  opacity:.92;
}
.step-item h3{
  font-size:17px;
  font-weight:600;
  margin:0 0 10px;
}
.step-item p{font-size:14px;color:var(--muted);margin:0;}
.step-item::after{
  content:"";
  position:absolute;
  top:22px;right:-14px;
  width:14px;height:1px;
  background:repeating-linear-gradient(90deg, rgba(233,169,77,.55) 0 4px, transparent 4px 8px);
}
.step-item:last-child::after{display:none;}

/* ===== 核对清单 ===== */
.check-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.check-card{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 28px;
  transition:border-color .22s ease;
}
.check-card:hover{border-color:var(--line-warm-strong);}
.check-card h3{
  font-size:19px;
  font-weight:600;
  margin:0 0 6px;
  display:flex;
  align-items:center;
  gap:10px;
}
.check-card h3 i{color:var(--primary);font-size:15px;}
.check-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:14.5px;
  color:#D7D3E4;
  margin-bottom:14px;
  line-height:1.75;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 3px rgba(233,169,77,.14);
}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:all .22s ease;
}
.faq-item[open]{
  border-color:rgba(233,169,77,.42);
  background:rgba(255,255,255,.055);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary::after{
  content:"\2b";
  font-size:18px;
  color:var(--primary);
  font-weight:400;
  flex-shrink:0;
  transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"\2212";}
.faq-answer{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}

/* ===== 相关分类 ===== */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.related-card{
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 24px;
  border-radius:var(--radius);
  background:var(--surface-2);
  border:1px solid var(--line);
  transition:all .22s ease;
}
.related-card:hover{
  border-color:var(--line-warm-strong);
  transform:translateY(-4px);
  background:rgba(255,255,255,.06);
}
.related-icon{
  width:40px;height:40px;
  border-radius:11px;
  display:grid;place-items:center;
  background:rgba(233,169,77,.10);
  border:1px solid rgba(233,169,77,.30);
  color:var(--primary);
  flex-shrink:0;
  font-size:15px;
}
.related-card strong{
  display:block;
  font-size:16px;
  font-weight:600;
  margin-bottom:3px;
}
.related-card span{font-size:13px;color:var(--muted);}
.related-card .arrow{margin-left:auto;color:var(--muted);font-size:13px;transition:all .22s ease;}
.related-card:hover .arrow{color:var(--primary);transform:translateX(4px);}

/* ===== CTA 条 ===== */
.cta-band{
  background:linear-gradient(90deg, rgba(26,24,40,1) 0%, rgba(20,18,34,1) 100%);
  border:1px solid var(--line-warm);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:repeating-linear-gradient(90deg, rgba(233,169,77,.35) 0 6px, transparent 6px 14px);
}
.cta-band h2{
  font-size:24px;
  font-weight:700;
  margin:0 0 8px;
  letter-spacing:-.01em;
}
.cta-band p{margin:0;font-size:14.5px;color:var(--muted);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:var(--section);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:44px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:16px;
}
.footer-brand strong{font-size:16px;font-weight:700;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.85;margin:0;max-width:340px;}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin:0 0 18px;
}
.footer-list li{margin-bottom:12px;font-size:14px;color:var(--muted);}
.footer-list li:last-child{margin-bottom:0;}
.footer-list a{color:var(--muted);}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--muted);
}
.dot-sep{margin:0 8px;opacity:.6;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--section:80px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  :root{--section:72px;}
  .header-inner{gap:14px;}
  .nav-toggle{display:grid;place-items:center;}
  .header-cta{display:none;}
  .nav-cards{
    display:none;
    position:absolute;
    top:76px;left:0;right:0;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(0,0,0,.5);
    padding:16px 24px 20px;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    margin-left:0;
  }
  .nav-cards.open{display:flex;}
  .nav-card{padding:12px 16px;font-size:15px;}
  .nav-card.active::after{left:16px;right:16px;}
  .page-hero{padding:56px 0 64px;}
  .page-hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media img{aspect-ratio:16/9;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .steps-wrap{padding:32px 24px;}
  .steps-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step-item:nth-child(2)::after{display:none;}
  .check-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{padding:32px 28px;}
}
@media (max-width:767px){
  :root{--section:56px;}
  body{font-size:15.5px;}
  .container{padding-left:18px;padding-right:18px;}
  .header-inner{padding:0 18px;height:68px;}
  .nav-cards{top:68px;padding:14px 18px 18px;}
  .logo-text strong{font-size:14px;}
  .logo-text span{font-size:9.5px;letter-spacing:.1em;}
  .page-hero h1{font-size:27px;}
  .hero-lead{font-size:15px;}
  .btn-row{gap:12px;}
  .btn-row .btn{flex:1 1 100%;}
  .hero-metrics{gap:22px;}
  .hero-metrics strong{font-size:22px;}
  .feature-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr;gap:26px;}
  .step-item::after{display:none;}
  .section-head h2{font-size:23px;}
  .faq-item summary{padding:17px 18px;font-size:15.5px;}
  .faq-answer{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:28px 20px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .dot-sep{display:none;}
}

/* roulang page: category2 */
:root{
    --bg:#131120;
    --bg-deep:#0E0C19;
    --surface:rgba(255,255,255,.045);
    --surface-solid:#1A1828;
    --surface-hover:rgba(255,255,255,.075);
    --primary:#E9A94D;
    --primary-hi:#F2B968;
    --secondary:#4FB3A8;
    --text:#EDEAF4;
    --muted:#A2A0B8;
    --line:rgba(237,234,244,.10);
    --line-gold:rgba(233,169,77,.14);
    --line-gold-strong:rgba(233,169,77,.38);
    --radius:16px;
    --radius-sm:10px;
    --radius-pill:999px;
    --shadow:0 16px 40px rgba(0,0,0,.45);
    --space:96px;
    --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font);
    font-size:16px;
    line-height:1.9;
    color:var(--text);
    background-color:var(--bg);
    background-image:
      radial-gradient(circle at 12% 6%,rgba(233,169,77,.10),transparent 32%),
      radial-gradient(circle at 88% 2%,rgba(79,179,168,.08),transparent 30%),
      radial-gradient(1px 1px at 18% 24%,rgba(237,234,244,.20),transparent 100%),
      radial-gradient(1px 1px at 72% 16%,rgba(237,234,244,.14),transparent 100%),
      radial-gradient(1px 1px at 44% 48%,rgba(237,234,244,.10),transparent 100%);
    background-attachment:fixed;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease;}
  a:hover{color:var(--primary);}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

  /* ============ 站点头部 ============ */
  .site-header{
    position:sticky;top:0;z-index:1030;
    background:rgba(26,24,40,.96);
    border-bottom:1px solid var(--line);
    box-shadow:0 10px 30px rgba(0,0,0,.35);
  }
  .header-inner{
    display:flex;align-items:center;gap:20px;
    min-height:76px;padding-top:12px;padding-bottom:12px;
  }
  .logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .brand-mark{
    width:38px;height:38px;border-radius:11px;
    display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(150deg,rgba(233,169,77,.22),rgba(79,179,168,.16));
    border:1px solid var(--line-gold);
    color:var(--primary);font-size:16px;
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.25;}
  .logo-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
  .logo-text small{font-size:11px;color:var(--muted);letter-spacing:.04em;}
  .nav-cards{display:flex;align-items:center;gap:8px;margin-left:8px;flex:1 1 auto;}
  .nav-card{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 14px;border-radius:8px;
    font-size:14px;font-weight:600;color:var(--muted);
    border:1px solid transparent;position:relative;
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .nav-card i{font-size:13px;color:var(--secondary);transition:color .2s ease;}
  .nav-card:hover{background:var(--surface-hover);color:var(--text);border-color:var(--line);}
  .nav-card:hover i{color:var(--primary);}
  .nav-card.active{color:var(--text);background:var(--surface);border-color:var(--line-gold);}
  .nav-card.active i{color:var(--primary);}
  .nav-card.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
    background:var(--primary);border-radius:2px;
  }
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:10px;
    background:var(--surface);border:1px solid var(--line);color:var(--text);
  }
  .nav-toggle:hover{border-color:var(--line-gold-strong);color:var(--primary);}
  .mobile-nav{padding:8px 0 20px;display:flex;flex-direction:column;gap:8px;}
  .mobile-nav .nav-card{width:100%;justify-content:flex-start;padding:13px 16px;background:var(--surface);}
  .mobile-nav .btn{width:100%;justify-content:center;margin-top:6px;}

  /* ============ 通用按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--radius-sm);
    font-size:15px;font-weight:600;line-height:1.4;
    border:1px solid transparent;cursor:pointer;
    transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
  }
  .btn-primary{background:var(--primary);color:#131120;border-color:var(--primary);}
  .btn-primary:hover{background:var(--primary-hi);border-color:var(--primary-hi);color:#131120;transform:translateY(-1px);}
  .btn-ghost{background:transparent;color:var(--text);border-color:rgba(237,234,244,.24);}
  .btn-ghost:hover{border-color:var(--primary);color:var(--text);transform:translateY(-1px);}
  .btn-sm{padding:9px 16px;font-size:14px;}
  .btn-link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--primary);font-weight:600;font-size:14px;background:none;border:0;padding:0;
  }
  .btn-link-arrow i{transition:transform .2s ease;}
  .btn-link-arrow:hover i{transform:translateX(4px);}

  /* ============ 英雄 / 分类页头 ============ */
  .hero-head{
    position:relative;overflow:hidden;
    border-bottom:1px solid var(--line);
    background-color:var(--bg-deep);
  }
  .hero-head::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(100deg,rgba(14,12,25,.96) 30%,rgba(14,12,25,.72) 100%),url("/assets/images/backpic/back-2.webp");
    background-size:cover;background-position:center;
    opacity:.85;
  }
  .hero-head::after{
    content:"";position:absolute;right:6%;top:26px;width:120px;height:120px;
    background-image:radial-gradient(circle,rgba(233,169,77,.55) 1px,transparent 1.6px);
    background-size:20px 20px;opacity:.18;pointer-events:none;
  }
  .hero-head .container{position:relative;z-index:2;}
  .hero-grid{
    display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
    padding:56px 0 64px;
  }
  .breadcrumb-line{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    font-size:13px;color:var(--muted);margin-bottom:18px;
  }
  .breadcrumb-line .dot-sep{color:var(--primary);opacity:.8;}
  .tag-pill{
    display:inline-flex;align-items:center;gap:7px;
    padding:5px 14px;border-radius:var(--radius-pill);
    font-size:13px;font-weight:600;color:var(--primary);
    border:1px solid rgba(233,169,77,.45);background:rgba(233,169,77,.08);
    margin-bottom:18px;
  }
  .hero-head h1{
    font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.02em;
    margin-bottom:18px;
  }
  .hero-head h1 em{font-style:normal;color:var(--primary);}
  .hero-lead{font-size:16px;color:var(--muted);max-width:560px;margin-bottom:26px;}
  .hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:34px;}
  .hero-stat b{display:block;font-size:26px;font-weight:800;color:var(--primary);line-height:1.2;}
  .hero-stat span{font-size:13px;color:var(--muted);}
  .hero-figure{position:relative;}
  .hero-figure img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:var(--radius);border:1px solid var(--line-gold);
    box-shadow:var(--shadow);
  }
  .hero-figure::after{
    content:"";position:absolute;left:-10px;top:-10px;width:38px;height:38px;
    border-left:1px solid rgba(233,169,77,.5);border-top:1px solid rgba(233,169,77,.5);
    border-top-left-radius:10px;opacity:.55;
  }

  /* ============ 板块骨架 ============ */
  main{display:block;}
  .section{padding:var(--space) 0;}
  .section-tight{padding:64px 0;}
  .section-head{max-width:720px;margin-bottom:40px;}
  .eyebrow{
    display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
    color:var(--secondary);margin-bottom:10px;
  }
  .section-head h2{font-size:30px;line-height:1.35;font-weight:700;margin-bottom:14px;letter-spacing:-.01em;}
  .section-head p{color:var(--muted);font-size:15px;}
  .divider-star{
    display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;
    margin-bottom:26px;
  }
  .divider-star::after{content:"";flex:1;height:1px;background:var(--line);}

  /* ============ 特性小卡 ============ */
  .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .feature-card{
    padding:26px 24px;border-radius:var(--radius);
    background:var(--surface);border:1px solid var(--line-gold);
    transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  }
  .feature-card:hover{transform:translateY(-4px);border-color:var(--line-gold-strong);box-shadow:var(--shadow);}
  .feature-icon{
    width:42px;height:42px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
    background:rgba(79,179,168,.12);border:1px solid rgba(79,179,168,.3);
    color:var(--secondary);font-size:16px;margin-bottom:16px;
  }
  .feature-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
  .feature-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}

  /* ============ 两列宽卡（带摘要） ============ */
  .wide-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .wide-card{
    display:grid;grid-template-columns:132px 1fr;gap:20px;
    padding:20px;border-radius:var(--radius);
    background:var(--surface);border:1px solid var(--line-gold);
    transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  }
  .wide-card:hover{transform:translateY(-4px);border-color:var(--line-gold-strong);box-shadow:var(--shadow);}
  .wide-card .thumb{
    width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px;
    border:1px solid var(--line);
  }
  .wide-card-body{display:flex;flex-direction:column;gap:8px;}
  .card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
  .badge{
    display:inline-flex;align-items:center;
    padding:3px 10px;border-radius:var(--radius-pill);
    font-size:12px;font-weight:600;line-height:1.6;
    color:var(--secondary);background:rgba(79,179,168,.10);
    border:1px solid rgba(79,179,168,.28);
  }
  .badge-gold{color:var(--primary);background:rgba(233,169,77,.10);border-color:rgba(233,169,77,.32);}
  .wide-card h3{font-size:18px;font-weight:600;line-height:1.5;}
  .wide-card p{font-size:14px;color:var(--muted);line-height:1.85;}
  .wide-card .more{margin-top:auto;}

  /* ============ 自查流程 ============ */
  .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
  .step-card{
    padding:26px 22px;border-radius:var(--radius);
    background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
    border:1px solid var(--line);
    transition:border-color .22s ease,transform .22s ease;
  }
  .step-card:hover{border-color:var(--line-gold-strong);transform:translateY(-4px);}
  .step-num{
    font-size:15px;font-weight:800;color:var(--primary);letter-spacing:.12em;
    font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
  }
  .step-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
  .step-card p{font-size:14px;color:var(--muted);line-height:1.8;}

  /* ============ 检查清单 ============ */
  .check-panel{
    display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;
    padding:40px;border-radius:var(--radius);
    background:var(--surface);border:1px solid var(--line-gold);
  }
  .check-panel img{
    width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:12px;border:1px solid var(--line);
  }
  .check-panel h2{font-size:26px;font-weight:700;line-height:1.4;margin-bottom:14px;}
  .check-panel .lead{color:var(--muted);font-size:15px;margin-bottom:22px;}
  .check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;}
  .check-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:14.5px;color:var(--text);line-height:1.75;
  }
  .check-list li i{color:var(--secondary);font-size:13px;margin-top:6px;}

  /* ============ FAQ ============ */
  .faq{display:flex;flex-direction:column;gap:14px;}
  .faq .accordion-item{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;transition:border-color .22s ease;
  }
  .faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--line-gold-strong);}
  .faq .accordion-button{
    background:transparent;color:var(--text);
    font-size:17px;font-weight:600;line-height:1.6;
    padding:20px 56px 20px 24px;box-shadow:none;border:0;
  }
  .faq .accordion-button:not(.collapsed){color:var(--primary);background:transparent;}
  .faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
  .faq .accordion-button::after{
    content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
    background-image:none;width:auto;height:auto;
    font-size:20px;font-weight:400;color:var(--primary);line-height:1;
  }
  .faq .accordion-button:not(.collapsed)::after{content:"−";}
  .faq .accordion-body{
    padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;
    border-top:1px solid var(--line);padding-top:16px;
  }

  /* ============ 相关分类 ============ */
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .related-card{
    display:flex;flex-direction:column;gap:10px;
    padding:26px 24px;border-radius:var(--radius);
    background:var(--surface);border:1px solid var(--line);
    transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  }
  .related-card:hover{transform:translateY(-4px);border-color:var(--line-gold-strong);box-shadow:var(--shadow);}
  .related-card i.lead-icon{color:var(--primary);font-size:18px;}
  .related-card h3{font-size:18px;font-weight:600;}
  .related-card p{font-size:14px;color:var(--muted);line-height:1.8;}
  .related-card .go{color:var(--primary);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
  .related-card:hover .go i{transform:translateX(4px);}
  .related-card .go i{transition:transform .2s ease;}

  /* ============ CTA 条 ============ */
  .cta-bar{
    position:relative;overflow:hidden;
    border-radius:var(--radius);
    background:linear-gradient(120deg,#191729,#12101F 70%);
    border:1px solid var(--line-gold);
    padding:34px 36px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  }
  .cta-bar::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(233,169,77,.55),transparent);
    opacity:.6;
  }
  .cta-bar h2{font-size:22px;font-weight:700;margin-bottom:6px;}
  .cta-bar p{color:var(--muted);font-size:14px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:24px;background:var(--bg-deep);
    border-top:1px solid var(--line);
    padding:64px 0 28px;
  }
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
  .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
  .footer-brand strong{font-size:16px;font-weight:800;}
  .footer-desc{font-size:14px;color:var(--muted);line-height:1.85;max-width:340px;}
  .footer-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px;}
  .footer-list{display:flex;flex-direction:column;gap:10px;}
  .footer-list li{font-size:14px;color:var(--muted);line-height:1.7;}
  .footer-list a{color:var(--muted);}
  .footer-list a:hover{color:var(--primary);}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:var(--muted);
  }
  .dot-sep{margin:0 8px;color:rgba(237,234,244,.35);}

  /* ============ 响应式 ============ */
  @media (max-width:1199px){
    .hero-head h1{font-size:40px;}
    .check-panel{padding:32px;gap:32px;}
  }
  @media (max-width:991px){
    :root{--space:72px;}
    .hero-grid{grid-template-columns:1fr;gap:32px;padding:40px 0 52px;}
    .hero-figure{order:-1;}
    .hero-figure img{aspect-ratio:16/9;}
    .hero-head h1{font-size:34px;}
    .feature-grid{grid-template-columns:1fr 1fr;}
    .steps-grid{grid-template-columns:1fr 1fr;}
    .check-panel{grid-template-columns:1fr;}
    .related-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .section-head h2{font-size:26px;}
  }
  @media (max-width:767px){
    :root{--space:56px;}
    .wide-list{grid-template-columns:1fr;}
    .wide-card{grid-template-columns:96px 1fr;gap:16px;padding:16px;}
    .feature-grid{grid-template-columns:1fr;}
    .steps-grid{grid-template-columns:1fr;}
    .related-grid{grid-template-columns:1fr;}
    .check-list{grid-template-columns:1fr;}
    .hero-head h1{font-size:28px;}
    .hero-stats{gap:22px;}
    .hero-stat b{font-size:22px;}
    .cta-bar{padding:26px 22px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 140px;}
    .faq .accordion-button{font-size:16px;padding:18px 50px 18px 18px;}
    .faq .accordion-button::after{right:18px;}
    .faq .accordion-body{padding:14px 18px 18px;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .header-inner{gap:10px;}
    .logo-text small{display:none;}
    .logo-text strong{font-size:15px;}
    .hero-head h1{font-size:26px;}
    .hero-lead{font-size:15px;}
    .hero-btns .btn{flex:1 1 100%;}
    .wide-card{grid-template-columns:1fr;}
    .wide-card .thumb{aspect-ratio:16/9;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;}
    .check-panel{padding:22px;}
    .section-head h2{font-size:23px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category3 */
:root{
  --bg:#131120;
  --bg-deep:#0E0C19;
  --surface:rgba(255,255,255,.045);
  --surface-2:#1A1828;
  --primary:#E9A94D;
  --primary-soft:#F2B968;
  --secondary:#4FB3A8;
  --text:#EDEAF4;
  --muted:#A2A0B8;
  --line:rgba(237,234,244,.10);
  --line-gold:rgba(233,169,77,.14);
  --line-gold-strong:rgba(233,169,77,.38);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 16px 40px rgba(0,0,0,.45);
  --space:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.9;color:var(--text);
  background:radial-gradient(circle at 10% 4%,rgba(233,169,77,.055),transparent 42%),
             radial-gradient(circle at 90% 0%,rgba(79,179,168,.05),transparent 38%),
             var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,border-color .18s ease}
a:hover{color:var(--primary-soft)}
button{font-family:inherit}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.section{padding:var(--space) 0;position:relative}
.section-tight{padding:72px 0}
.dot-sep{margin:0 8px;color:rgba(237,234,244,.28)}

/* ===== Header / 卡片化导航面板 ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(26,24,40,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.42);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:76px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid rgba(233,169,77,.35);background:rgba(233,169,77,.12);
  color:var(--primary);font-size:15px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.nav-cards{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:8px;
  font-size:14px;color:var(--muted);position:relative;white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-card i{font-size:12.5px;opacity:.85}
.nav-card:hover{background:rgba(255,255,255,.06);color:var(--text)}
.nav-card.active{color:var(--text);background:rgba(233,169,77,.10)}
.nav-card.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-star,.btn-ghost,.btn-quiet{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  line-height:1.4;cursor:pointer;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-star{background:var(--primary);color:#131120;border-color:var(--primary)}
.btn-star:hover{background:var(--primary-soft);color:#131120;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(237,234,244,.22)}
.btn-ghost:hover{border-color:var(--primary);color:var(--text);transform:translateY(-1px)}
.btn-quiet{background:transparent;color:var(--primary);padding:6px 0;font-weight:600}
.btn-quiet i{transition:transform .2s ease}
.btn-quiet:hover i{transform:translateX(4px)}
.btn-sm{padding:9px 16px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;padding:8px 24px 20px;border-top:1px solid var(--line)}
.mobile-panel.open{display:block}
.mobile-panel .nav-card{display:flex;width:100%;padding:12px 14px;margin-bottom:6px;font-size:15px}
.mobile-panel .nav-card.active::after{display:none}
.mobile-panel .nav-card.active{border-left:2px solid var(--primary);border-radius:4px 8px 8px 4px}
.mobile-panel .btn-star{width:100%;margin-top:8px}

/* ===== 通用板块头 ===== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:36px}
.section-head h2{font-size:30px;font-weight:700;margin-bottom:10px}
.section-head p{margin:0;color:var(--muted);font-size:14.5px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;color:var(--primary);
  border:1px solid rgba(233,169,77,.4);background:rgba(233,169,77,.08);
}
.badge-tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12px;line-height:1.6;white-space:nowrap;
  color:var(--secondary);border:1px solid rgba(79,179,168,.35);background:rgba(79,179,168,.08);
}

/* ===== 页面头（分类 Hero） ===== */
.page-hero{padding:72px 0 64px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:radial-gradient(rgba(237,234,244,.7) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 88%);
          mask-image:linear-gradient(180deg,#000,transparent 88%);
}
.page-hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;position:relative;z-index:1}
.breadcrumb-star{font-size:13px;color:var(--muted);margin-bottom:20px;letter-spacing:.02em}
.breadcrumb-star a{color:var(--muted)}
.breadcrumb-star a:hover{color:var(--primary)}
.page-hero h1{font-size:42px;line-height:1.28;font-weight:800;letter-spacing:-.02em;margin:18px 0 18px}
.page-hero .lead{font-size:16.5px;line-height:1.9;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px}
.hero-stats .stat-num{font-size:24px;font-weight:800;color:var(--primary);line-height:1.2;letter-spacing:-.01em}
.hero-stats .stat-label{font-size:13px;color:var(--muted);margin-top:4px}
.page-hero-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-gold);box-shadow:var(--shadow)}
.page-hero-media img{width:100%;aspect-ratio:4/3.1;object-fit:cover;filter:brightness(.72) saturate(.92)}
.page-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(19,17,32,.15),rgba(14,12,25,.72));
  pointer-events:none;
}
.media-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;color:var(--text);
  border:1px solid rgba(237,234,244,.2);background:rgba(19,17,32,.72);
}
.media-tag i{color:var(--primary);font-size:11px}

/* ===== 特性小卡 ===== */
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:-34px;position:relative;z-index:3}
.feature-card{
  background:var(--surface-2);border:1px solid var(--line-gold);border-radius:var(--radius);
  padding:22px 24px;display:flex;gap:16px;align-items:flex-start;box-shadow:var(--shadow);
}
.feature-card i{
  width:34px;height:34px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;
  background:rgba(233,169,77,.12);color:var(--primary);font-size:14px;border:1px solid rgba(233,169,77,.25);
}
.feature-card h3{font-size:15.5px;font-weight:600;margin-bottom:4px}
.feature-card p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ===== 紧凑问题列表 ===== */
.q-list{border-top:1px solid var(--line)}
.q-row{
  display:grid;grid-template-columns:54px 1fr auto 26px;align-items:center;gap:20px;
  padding:18px 10px;border-bottom:1px solid var(--line);color:var(--text);
  transition:background .2s ease,padding .2s ease;
}
.q-row:hover{background:rgba(255,255,255,.04);padding-left:18px;padding-right:18px;color:var(--text)}
.q-no{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--primary);font-variant-numeric:tabular-nums}
.q-body strong{display:block;font-size:16px;font-weight:600;margin-bottom:3px;line-height:1.6}
.q-body em{font-style:normal;font-size:13.5px;color:var(--muted);line-height:1.7;display:block}
.q-row > i{color:var(--muted);font-size:13px;transition:transform .2s ease,color .2s ease}
.q-row:hover > i{color:var(--primary);transform:translateX(4px)}
.list-note{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:26px;font-size:13.5px;color:var(--muted)}

/* ===== 流程板块 ===== */
.flow-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.flow-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.flow-media img{width:100%;aspect-ratio:5/4;object-fit:cover;filter:brightness(.76)}
.flow-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(14,12,25,.05),rgba(14,12,25,.55))}
.step-list{display:flex;flex-direction:column;gap:2px}
.step-item{
  display:grid;grid-template-columns:46px 1fr;gap:18px;padding:20px 0;border-bottom:1px dashed var(--line);
}
.step-item:last-child{border-bottom:0}
.step-num{
  font-size:13px;font-weight:800;color:var(--primary);letter-spacing:.06em;
  border:1px solid rgba(233,169,77,.3);border-radius:8px;height:34px;display:grid;place-items:center;
  background:rgba(233,169,77,.07);font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
.step-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.85}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line-gold);border-radius:var(--radius);
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item.open{border-color:var(--line-gold-strong);background:rgba(255,255,255,.06)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:transparent;border:0;color:var(--text);
  font-size:17px;font-weight:600;text-align:left;cursor:pointer;line-height:1.6;
}
.faq-q:hover{color:var(--primary-soft)}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(233,169,77,.45);color:var(--primary);font-size:13px;line-height:1;
  transition:transform .22s ease,background .22s ease;
}
.faq-item.open .faq-icon{background:rgba(233,169,77,.18);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{margin:0;padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ===== 相关分类 ===== */
.cat-card{
  display:block;height:100%;background:var(--surface);border:1px solid var(--line-gold);
  border-radius:var(--radius);padding:26px 24px;color:var(--text);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-gold-strong);color:var(--text);box-shadow:var(--shadow)}
.cat-card i{color:var(--secondary);font-size:16px;margin-bottom:14px;display:block}
.cat-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.cat-card p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.8}
.cat-card .cat-more{margin-top:16px;font-size:13px;color:var(--primary);display:inline-flex;align-items:center;gap:7px}
.cat-card:hover .cat-more i{transform:translateX(4px)}
.cat-card .cat-more i{font-size:12px;margin:0;transition:transform .2s ease}
.cat-card.current{border-color:rgba(79,179,168,.4);background:rgba(79,179,168,.06)}

/* ===== CTA 条 ===== */
.cta-bar{
  background:var(--surface-2);border:1px solid var(--line-gold);border-radius:var(--radius);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;box-shadow:var(--shadow);flex-wrap:wrap;
}
.cta-bar::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(233,169,77,.5),transparent);opacity:.4;
}
.cta-bar h2{font-size:22px;font-weight:700;margin-bottom:6px}
.cta-bar p{margin:0;font-size:14px;color:var(--muted)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:15.5px;font-weight:700}
.footer-desc{font-size:13.5px;line-height:1.85;color:var(--muted);margin:0;max-width:340px}
.footer-title{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-list li{font-size:14px;color:var(--muted);margin-bottom:10px;line-height:1.7}
.footer-list a{color:var(--muted)}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:48px;padding:20px 0;font-size:13px;color:var(--muted);
}

/* ===== 提示 ===== */
.tip-toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);
  background:var(--surface-2);border:1px solid var(--line-gold-strong);color:var(--text);
  padding:12px 22px;border-radius:999px;font-size:14px;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;z-index:1200;
}
.tip-toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .page-hero h1{font-size:38px}
  .flow-wrap{gap:40px}
}
@media (max-width:991px){
  :root{--space:72px}
  .nav-cards{display:none}
  .header-cta .btn-star{display:none}
  .nav-toggle{display:flex}
  .page-hero{padding:52px 0 48px}
  .page-hero-inner{grid-template-columns:1fr;gap:36px}
  .page-hero h1{font-size:34px}
  .feature-strip{grid-template-columns:1fr;margin-top:28px}
  .flow-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .q-row{grid-template-columns:44px 1fr auto;gap:14px}
  .q-row > i{display:none}
}
@media (max-width:767px){
  :root{--space:56px}
  body{font-size:15.5px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .section-head h2{font-size:24px}
  .page-hero h1{font-size:29px;line-height:1.35}
  .page-hero .lead{font-size:15px}
  .hero-actions .btn-star,.hero-actions .btn-ghost{flex:1 1 auto}
  .hero-stats{gap:24px}
  .q-row{grid-template-columns:38px 1fr;row-gap:8px}
  .q-row .badge-tag{grid-column:2;justify-self:start}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px;font-size:14px}
  .cta-bar{padding:24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-star,.cta-actions .btn-ghost{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding-left:18px;padding-right:18px}
  .brand-text small{display:none}
  .page-hero h1{font-size:26px}
  .hero-stats .stat-num{font-size:21px}
}