/* roulang page: index */
:root{
  --ink:#1B1F3B;
  --ink-deep:#11142A;
  --amber:#F2B441;
  --amber-light:#FFC65C;
  --violet:#6C8CE8;
  --mint:#8FD6C4;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --text:#3C4056;
  --muted:#7A7F96;
  --line:#EDEBE3;
  --line-strong:#D9D7CE;
  --r-card:14px;
  --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(27,31,59,.06),0 6px 20px rgba(27,31,59,.06);
  --shadow-lg:0 10px 30px rgba(27,31,59,.12);
  --container:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--violet);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ink)}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:700}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--violet);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-title{position:relative;padding-left:16px;font-size:32px}
.section-title::before{content:"";position:absolute;left:0;top:6px;width:3px;height:18px;border-radius:2px;background:var(--amber)}
.section-sub{margin:10px 0 0;font-size:15px;color:var(--muted);max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--amber);color:var(--ink);box-shadow:0 2px 0 rgba(27,31,59,.08)}
.btn-primary:hover{background:var(--amber-light);color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,180,65,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 0 rgba(27,31,59,.08)}
.btn-ghost{background:transparent;border-color:rgba(27,31,59,.3);color:var(--ink)}
.btn-ghost:hover{background:rgba(27,31,59,.06);color:var(--ink)}
.btn-ghost-light{background:transparent;border-color:rgba(245,243,238,.42);color:#F5F3EE}
.btn-ghost-light:hover{background:rgba(245,243,238,.12);color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1}
.badge-cat{background:#E9EDFB;color:#3C4F9E}
.badge-ok{background:#E4F5F0;color:#226B58}
.badge-rec{background:var(--amber);color:var(--ink)}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink);border-bottom:1px solid rgba(245,243,238,.10);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(17,20,42,.28)}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;color:#F5F3EE;font-weight:700;letter-spacing:.01em;flex-shrink:0}
.logo:hover{color:#fff}
.logo svg{flex-shrink:0}
.logo .logo-thin{font-weight:400;color:rgba(245,243,238,.78)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{position:relative;display:inline-block;padding:8px 12px;font-size:14.5px;color:rgba(245,243,238,.74);border-radius:8px;transition:color .18s ease,background .18s ease}
.nav-links a:hover{color:#F5F3EE;background:rgba(245,243,238,.08)}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--amber)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{position:relative}
.nav-search input{width:200px;height:38px;padding:0 12px 0 34px;border-radius:var(--r-btn);border:1px solid rgba(245,243,238,.22);background:rgba(245,243,238,.08);color:#F5F3EE;font-size:13.5px;font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.nav-search input::placeholder{color:rgba(245,243,238,.5);font-size:13px}
.nav-search input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(242,180,65,.24);background:rgba(245,243,238,.12)}
.nav-search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);opacity:.6}
.nav-login{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-btn);border:1px solid rgba(245,243,238,.34);background:transparent;color:#F5F3EE;cursor:pointer;transition:background .18s ease,border-color .18s ease}
.nav-login:hover{background:rgba(245,243,238,.14);border-color:rgba(245,243,238,.5)}
.nav-cta{height:38px;padding:0 18px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid rgba(245,243,238,.26);border-radius:10px;background:transparent;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:#F5F3EE;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{display:none;border-top:1px solid rgba(245,243,238,.12);background:var(--ink-deep);padding:16px 24px 24px}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:block;padding:12px 4px;color:rgba(245,243,238,.82);font-size:15px;border-bottom:1px solid rgba(245,243,238,.08)}
.mobile-panel a.is-active{color:#fff}
.mobile-panel .mobile-actions{display:grid;gap:10px;margin-top:18px}
.mobile-panel .nav-search input{width:100%}
.mobile-panel .mobile-search{margin-top:16px;position:relative}
.mobile-panel .mobile-search input{width:100%;height:42px;padding:0 12px 0 34px;border-radius:var(--r-btn);border:1px solid rgba(245,243,238,.22);background:rgba(245,243,238,.08);color:#F5F3EE;font-size:14px;font-family:inherit}
.mobile-panel .mobile-search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);opacity:.6}

/* hero */
.hero{position:relative;background:var(--ink);color:#F5F3EE;overflow:hidden;padding:72px 0 78px}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 12% 18%,rgba(242,180,65,.20),transparent 42%),radial-gradient(circle at 82% 8%,rgba(108,140,232,.22),transparent 46%),radial-gradient(circle at 66% 92%,rgba(143,214,196,.12),transparent 40%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(245,243,238,.20) 1px,transparent 1px);background-size:38px 38px;opacity:.5;pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero h1{font-size:44px;color:#F5F3EE;letter-spacing:-.01em}
.hero-sub{margin:20px 0 0;font-size:17px;line-height:1.8;color:rgba(245,243,238,.76);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;align-items:center;gap:18px;margin-top:36px;font-size:14px;color:rgba(245,243,238,.66);flex-wrap:wrap}
.hero-stats span.divider{width:1px;height:14px;background:rgba(245,243,238,.24)}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(242,180,65,.45);box-shadow:0 24px 60px rgba(17,20,42,.5)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#252A4A}
.hero-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:rgba(245,243,238,.86);background:linear-gradient(180deg,rgba(17,20,42,0),rgba(17,20,42,.86))}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.step::before{content:"";position:absolute;top:0;left:22px;right:22px;height:2px;background:var(--line)}
.step-dot{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:999px;background:var(--amber);color:var(--ink);font-size:13px;font-weight:700;box-shadow:0 0 0 4px #fff;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0}

/* highlights */
.highlight-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.hl-main{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.hl-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.hl-main img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#E8E6DE}
.hl-main-body{padding:24px}
.hl-main-body h3{font-size:22px;margin-bottom:10px}
.hl-main-body p{font-size:15px;color:var(--text);margin:0}
.hl-side{display:grid;gap:24px}
.hl-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px 24px 26px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.hl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.hl-card::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;background:var(--amber)}
.hl-card h3{font-size:18px;margin-bottom:8px}
.hl-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75}
.hl-card .hl-tag{display:inline-block;margin-bottom:10px;font-size:12px;font-weight:600;color:#3C4F9E;background:#E9EDFB;border-radius:999px;padding:2px 10px}

/* metrics */
.metrics{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{padding:32px 24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric-num{font-size:34px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.metric-num small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px}
.metric-label{margin-top:8px;font-size:14px;color:var(--muted)}

/* cms list */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.post-thumb{position:relative;background:#EDEBE3;aspect-ratio:16/9;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;line-height:1.5;transition:color .18s ease}
.post-card:hover .post-body h3{color:var(--violet)}
.post-desc{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.post-meta{margin-top:auto;padding-top:12px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:56px 24px;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--r-card);color:var(--muted);font-size:15px;text-align:center}
.list-more{display:flex;justify-content:center;margin-top:36px}

/* plans */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.plan:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.plan--rec{border-color:var(--amber);box-shadow:0 10px 30px rgba(242,180,65,.16)}
.plan--rec .plan-rec{position:absolute;top:-12px;left:24px}
.plan h3{font-size:20px;margin-bottom:8px}
.plan-desc{font-size:14.5px;color:var(--muted);margin-bottom:20px;line-height:1.7}
.plan ul{display:grid;gap:12px;margin-bottom:26px}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--text);line-height:1.7}
.plan li svg{flex-shrink:0;margin-top:5px}
.plan .btn{margin-top:auto}

/* faq */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;transition:background .18s ease}
.faq-q:hover{background:#FBFAF6}
.faq-icon{position:relative;flex-shrink:0;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;transform:translate(-50%,-50%);transition:transform .18s ease,opacity .18s ease}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text)}

/* cta */
.cta{position:relative;background:var(--ink-deep);color:#F5F3EE;overflow:hidden;text-align:center;padding:86px 0}
.cta::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 50% 0%,rgba(242,180,65,.20),transparent 58%),radial-gradient(rgba(245,243,238,.16) 1px,transparent 1px);background-size:auto,42px 42px;pointer-events:none}
.cta .container{position:relative;z-index:2}
.cta h2{color:#F5F3EE;font-size:32px}
.cta p{margin:16px auto 30px;max-width:620px;color:rgba(245,243,238,.72);font-size:16px}
.cta-note{margin-top:20px;font-size:12px;color:rgba(245,243,238,.5)}

/* footer */
.site-footer{background:var(--ink);color:rgba(245,243,238,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.footer-brand .logo{font-size:18px;margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(245,243,238,.62);margin:0;max-width:300px}
.footer-col h4{font-size:14px;color:#F5F3EE;margin-bottom:16px;font-weight:700}
.footer-col a,.footer-col li{display:block;font-size:13px;color:rgba(245,243,238,.62);margin-bottom:10px;line-height:1.7}
.footer-col a:hover{color:var(--amber)}
.footer-col address{font-style:normal;font-size:13px;color:rgba(245,243,238,.62);line-height:1.8}
.footer-bottom{border-top:1px solid rgba(245,243,238,.12);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(245,243,238,.48)}
.footer-bottom a{color:rgba(245,243,238,.62)}
.footer-bottom a:hover{color:var(--amber)}

/* responsive */
@media (max-width:1200px){
  .nav-links a{padding:8px 9px;font-size:14px}
  .nav-search input{width:160px}
  .hero h1{font-size:38px}
  .highlight-grid{grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:992px){
  .nav-links,.nav-search,.nav-login,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-right{margin-left:auto}
  .section{padding:68px 0}
  .hero{padding:56px 0 62px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .hero-sub{max-width:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:1fr}
  .plan--rec{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section-title{font-size:26px}
  .cta h2{font-size:26px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-head,.list-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .hero h1{font-size:30px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:12px;font-size:13px}
  .highlight-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line);padding:24px 18px}
  .metric:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .hero h1{font-size:26px}
  .section-title{font-size:23px}
  .hl-main-body h3,.cta h2{font-size:22px}
  .faq-q{font-size:15px;padding:18px 16px}
  .faq-a-inner{padding:0 16px 18px}
  .plan{padding:24px 18px}
}

/* roulang page: category1 */
:root{
  --ink:#1B1F3B;
  --ink-deep:#11142A;
  --amber:#F2B441;
  --amber-soft:#FFC65C;
  --violet:#6C8CE8;
  --mint:#8FD6C4;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --text:#3C4056;
  --muted:#7A7F96;
  --line:#EDEBE3;
  --line-strong:#D9D7CE;
  --light:#F5F3EE;
  --light-sub:rgba(245,243,238,.72);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(27,31,59,.06),0 6px 20px rgba(27,31,59,.06);
  --shadow-hover:0 10px 30px rgba(27,31,59,.12);
  --ease:200ms ease;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.3em;}
img{max-width:100%;display:block;}
a{color:var(--violet);text-decoration:none;transition:color var(--ease);}
a:hover{color:#4d6ed6;text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--amber);color:var(--ink);box-shadow:0 2px 8px rgba(242,180,65,.28);}
.btn-primary:hover{background:var(--amber-soft);color:var(--ink);box-shadow:0 6px 18px rgba(242,180,65,.36);}
.btn-outline{border-color:rgba(27,31,59,.3);color:var(--ink);}
.btn-outline:hover{background:rgba(27,31,59,.06);color:var(--ink);border-color:rgba(27,31,59,.55);}
.btn-ghost-light{border-color:rgba(245,243,238,.4);color:var(--light);}
.btn-ghost-light:hover{background:rgba(245,243,238,.12);color:var(--light);border-color:rgba(245,243,238,.7);}
.btn-block{width:100%;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(245,243,238,.10);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,14,32,.35);}
.nav{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.logo{display:inline-flex;align-items:center;gap:9px;color:var(--light);font-weight:700;font-size:19px;letter-spacing:.4px;}
.logo:hover{color:var(--light);text-decoration:none;}
.logo-thin{font-weight:400;color:rgba(245,243,238,.82);}
.logo svg{flex:none;}
.nav-links{display:flex;align-items:center;gap:24px;flex:1;}
.nav-links a{
  position:relative;color:rgba(245,243,238,.74);font-size:15px;padding:6px 0;
  transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--light);text-decoration:none;}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--light);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;width:200px;height:38px;padding:0 12px;
  background:rgba(245,243,238,.08);border:1px solid rgba(245,243,238,.16);border-radius:var(--r-btn);
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-search svg{opacity:.7;flex:none;}
.nav-search input{
  width:100%;background:transparent;border:0;color:var(--light);font-size:13px;outline:none;
}
.nav-search input::placeholder{color:rgba(245,243,238,.5);}
.nav-search:focus-within{border-color:var(--amber);background:rgba(245,243,238,.12);box-shadow:0 0 0 3px rgba(242,180,65,.16);}
.nav-login{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(245,243,238,.4);color:var(--light);font-size:14px;font-weight:500;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.nav-login:hover{background:rgba(245,243,238,.12);border-color:rgba(245,243,238,.7);color:var(--light);text-decoration:none;}
.nav-cta{height:38px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:0;background:transparent;padding:0;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--light);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;padding:16px 24px 24px;background:var(--ink-deep);
  border-top:1px solid rgba(245,243,238,.1);
}
.mobile-panel.is-open{display:block;}
.mobile-panel > a{
  display:block;padding:13px 4px;color:rgba(245,243,238,.8);font-size:15px;
  border-bottom:1px solid rgba(245,243,238,.08);
}
.mobile-panel > a:hover,.mobile-panel > a.is-active{color:var(--amber);text-decoration:none;}
.mobile-search{
  display:flex;align-items:center;gap:8px;margin:16px 0;height:42px;padding:0 12px;
  background:rgba(245,243,238,.08);border:1px solid rgba(245,243,238,.16);border-radius:var(--r-btn);
}
.mobile-search input{width:100%;background:transparent;border:0;color:var(--light);font-size:14px;outline:none;}
.mobile-search input::placeholder{color:rgba(245,243,238,.5);}
.mobile-actions{display:grid;gap:10px;}

/* ---------- breadcrumb & hero ---------- */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:12px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--violet);text-decoration:none;}
.crumb .sep{color:#C6C4BA;}
.crumb .current{color:var(--ink);font-weight:600;}

.cat-hero{
  position:relative;overflow:hidden;color:var(--light);
  background:
    radial-gradient(circle at 84% 18%,rgba(242,180,65,.20),transparent 46%),
    radial-gradient(circle at 12% 88%,rgba(108,140,232,.24),transparent 52%),
    linear-gradient(120deg,#1B1F3B 0%,#161A34 58%,#11142A 100%);
  border-bottom:1px solid rgba(245,243,238,.08);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.14;
}
.cat-hero .container{position:relative;z-index:1;}
.cat-hero-inner{padding:52px 0 54px;max-width:780px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(242,180,65,.16);border:1px solid rgba(242,180,65,.45);color:var(--amber);
  font-size:12px;font-weight:600;letter-spacing:.5px;
}
.cat-hero h1{
  margin:18px 0 14px;font-size:44px;line-height:1.28;font-weight:700;color:var(--light);letter-spacing:.5px;
}
.cat-hero p.sub{font-size:16px;line-height:1.8;color:var(--light-sub);max-width:620px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:0;margin-top:26px;font-size:14px;color:var(--light-sub);}
.hero-facts span{padding:0 18px;border-left:1px solid rgba(245,243,238,.2);}
.hero-facts span:first-child{padding-left:0;border-left:0;}

/* ---------- anchor pills ---------- */
.anchor-strip{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:var(--nav-h);z-index:40;}
.pill-nav{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.pill-nav::-webkit-scrollbar{display:none;}
.pill{
  flex:none;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:var(--card);color:var(--text);font-size:14px;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.pill:hover{background:#FBFAF6;color:var(--ink);text-decoration:none;border-color:#C4C1B6;}
.pill.is-active{background:var(--amber);border-color:var(--amber);color:var(--ink);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:76px 0;}
.section.tight{padding:56px 0;}
.section.alt{background:#FBFAF6;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:36px;}
.sec-head h2{
  position:relative;padding-left:14px;font-size:32px;line-height:1.32;color:var(--ink);font-weight:700;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:18px;border-radius:2px;background:var(--amber);
}
.sec-head p{margin-top:12px;font-size:15.5px;color:var(--muted);line-height:1.85;}

/* ---------- card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.item-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.item-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#E2DFD4;}
.item-card .idx{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;
  background:rgba(108,140,232,.12);color:#3F5AB8;font-size:13px;font-weight:700;margin-bottom:14px;
}
.item-card h3{font-size:19px;line-height:1.5;color:var(--ink);font-weight:700;}
.item-card p{margin-top:10px;font-size:15px;color:var(--text);line-height:1.85;}
.item-card .more{
  margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--violet);
}
.item-card .more:hover{gap:10px;text-decoration:none;color:#4d6ed6;}
.item-card .more span{transition:margin var(--ease);}

/* ---------- steps ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}
.steps{list-style:none;margin:0;padding:0;position:relative;}
.steps::before{content:"";position:absolute;left:13px;top:10px;bottom:16px;width:2px;background:var(--line);}
.steps li{position:relative;padding-left:46px;margin-bottom:26px;}
.steps li:last-child{margin-bottom:0;}
.steps .dot{
  position:absolute;left:6px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--amber);border:4px solid var(--card);box-shadow:0 0 0 2px rgba(242,180,65,.35);
}
.steps h3{font-size:18px;color:var(--ink);font-weight:700;}
.steps p{margin-top:6px;font-size:15px;color:var(--muted);}
.figure-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
}
.figure-card .img-wrap{aspect-ratio:16/10;background:#EFEEE8;overflow:hidden;}
.figure-card .img-wrap img{width:100%;height:100%;object-fit:cover;}
.figure-card figcaption{padding:18px 22px;font-size:14px;color:var(--muted);line-height:1.8;border-top:1px solid var(--line);}
.figure-card figcaption strong{display:block;color:var(--ink);font-size:15px;margin-bottom:4px;}

/* ---------- device table-ish ---------- */
.device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.device-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);
}
.device-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.device-card .cap{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(143,214,196,.22);color:#256E5C;margin-bottom:12px;
}
.device-card h3{font-size:19px;color:var(--ink);font-weight:700;}
.device-card ul{list-style:none;padding:0;margin:14px 0 0;}
.device-card li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--text);line-height:1.8;margin-bottom:8px;
}
.device-card li::before{
  content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:2px;
  background:rgba(108,140,232,.5);transform:rotate(45deg);
}
.device-card li:last-child{margin-bottom:0;}

/* ---------- note bar ---------- */
.note-bar{
  display:flex;gap:16px;align-items:flex-start;margin-top:32px;padding:22px 24px;
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--amber);
  border-radius:var(--r-card);box-shadow:var(--shadow);
}
.note-bar h4{font-size:16px;color:var(--ink);margin-bottom:6px;}
.note-bar p{font-size:14.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:background var(--ease);
}
.faq-q:hover{background:#FBFAF6;}
.faq-q .sign{
  flex:none;width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(242,180,65,.18);color:#8A5F09;font-size:17px;font-weight:700;line-height:1;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-q{background:#FBFAF6;}
.faq-item.is-open .faq-q .sign{background:var(--amber);color:var(--ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 180ms ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--text);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:
    radial-gradient(circle at 20% 20%,rgba(242,180,65,.16),transparent 46%),
    radial-gradient(circle at 82% 76%,rgba(108,140,232,.22),transparent 52%),
    linear-gradient(120deg,#1B1F3B,#11142A);
  color:var(--light);
  border-radius:0;
}
.cta-inner{padding:70px 0;text-align:center;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:30px;line-height:1.35;color:var(--light);font-weight:700;}
.cta-inner p{margin-top:14px;font-size:15.5px;color:var(--light-sub);}
.cta-actions{display:flex;justify-content:center;gap:14px;margin-top:28px;flex-wrap:wrap;}
.cta-fine{margin-top:18px;font-size:12px;color:rgba(245,243,238,.55);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--light-sub);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(245,243,238,.66);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--light);margin-bottom:14px;}
.footer-col a{display:block;font-size:13px;color:rgba(245,243,238,.66);padding:5px 0;transition:color var(--ease);}
.footer-col a:hover{color:var(--amber);text-decoration:none;}
.footer-col address{font-style:normal;font-size:13px;line-height:1.95;color:rgba(245,243,238,.66);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid rgba(245,243,238,.12);
  font-size:12px;color:rgba(245,243,238,.52);
}
.footer-bottom a{color:rgba(245,243,238,.72);}
.footer-bottom a:hover{color:var(--amber);text-decoration:none;}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .cat-hero h1{font-size:38px;}
  .nav-links{gap:18px;}
  .nav-search{width:170px;}
}
@media (max-width:992px){
  .nav-links,.nav-search,.nav-login{display:none;}
  .nav-toggle{display:flex;}
  .nav-right{margin-left:auto;}
  .nav-cta{display:none;}
  .section{padding:60px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .device-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cat-hero-inner{padding:44px 0;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .cat-hero h1{font-size:32px;}
  .cat-hero p.sub{font-size:15px;}
  .card-grid{grid-template-columns:1fr;}
  .sec-head h2{font-size:26px;}
  .section{padding:48px 0;}
  .section.tight{padding:40px 0;}
  .hero-facts{font-size:13px;}
  .hero-facts span{padding:0 12px;}
  .cta-inner{padding:52px 0;}
  .cta-inner h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .item-card{padding:22px;}
  .anchor-strip{top:var(--nav-h);}
}
@media (max-width:520px){
  .logo{font-size:17px;}
  .cat-hero h1{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .steps li{padding-left:38px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;}
  .pin{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#1B1F3B;
  --ink-2:#11142A;
  --amber:#F2B441;
  --amber-hover:#FFC65C;
  --violet:#6C8CE8;
  --violet-soft:#E7ECFB;
  --violet-text:#3A4C9B;
  --mint:#8FD6C4;
  --mint-soft:#E1F5EF;
  --mint-text:#226B57;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --text:#3C4056;
  --muted:#7A7F96;
  --line:#EDEBE3;
  --line-strong:#D9D7CE;
  --light-1:#F5F3EE;
  --r-card:14px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(27,31,59,.06),0 6px 20px rgba(27,31,59,.06);
  --shadow-hover:0 10px 30px rgba(27,31,59,.12);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--violet);text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:#4F6FD2}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:700}
p{margin:0 0 18px}
ul,ol{margin:0 0 18px}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--amber);color:#2A2205;box-shadow:0 4px 14px rgba(242,180,65,.26)}
.btn-primary:hover{background:var(--amber-hover);color:#2A2205;transform:translateY(-1px);box-shadow:0 8px 22px rgba(242,180,65,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(242,180,65,.28)}
.btn-ghost{background:transparent;border-color:rgba(27,31,59,.3);color:var(--ink)}
.btn-ghost:hover{background:rgba(27,31,59,.06);color:var(--ink)}
.btn-ghost-light{background:transparent;border-color:rgba(245,243,238,.4);color:var(--light-1)}
.btn-ghost-light:hover{background:rgba(245,243,238,.12);color:#fff}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-cat{background:var(--violet-soft);color:var(--violet-text)}
.badge-state{background:var(--mint-soft);color:var(--mint-text)}
.badge-rec{background:var(--amber);color:#2A2205}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--ink);
  border-bottom:1px solid rgba(245,243,238,.10);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(17,20,42,.22)}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.logo{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--light-1);font-size:17px;font-weight:700;letter-spacing:.2px;
  flex-shrink:0;
}
.logo:hover{color:#fff}
.logo .logo-thin{font-weight:400;opacity:.86}
.nav-links{display:flex;align-items:center;gap:22px;margin-right:auto}
.nav-links a{
  position:relative;color:rgba(245,243,238,.74);font-size:14.5px;font-weight:500;
  padding:6px 0;transition:color .18s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:200px;
  padding:0 12px;border-radius:var(--r-btn);
  background:rgba(245,243,238,.08);border:1px solid rgba(245,243,238,.14);
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(242,180,65,.18);background:rgba(245,243,238,.12)}
.nav-search svg{flex-shrink:0;opacity:.8}
.nav-search input{
  width:100%;height:100%;border:0;background:transparent;color:var(--light-1);
  font-size:13px;outline:none;
}
.nav-search input::placeholder{color:rgba(245,243,238,.52)}
.nav-login{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(245,243,238,.4);color:var(--light-1);font-size:14px;font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.nav-login:hover{background:rgba(245,243,238,.12);color:#fff}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;width:40px;height:40px;border:0;background:transparent;
  flex-direction:column;justify-content:center;gap:5px;padding:0 8px;margin-left:auto;
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--light-1);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{display:none;background:var(--ink-2);border-top:1px solid rgba(245,243,238,.1);padding:12px 0 20px}
.site-header.nav-open .mobile-panel{display:block}
.mobile-panel a{
  display:block;padding:13px 24px;color:rgba(245,243,238,.82);font-size:15px;
  border-bottom:1px solid rgba(245,243,238,.07);
}
.mobile-panel a.is-active{color:var(--amber)}
.mobile-search{
  display:flex;align-items:center;gap:8px;margin:14px 24px 0;height:42px;padding:0 12px;
  background:rgba(245,243,238,.08);border:1px solid rgba(245,243,238,.16);border-radius:var(--r-btn);
}
.mobile-search input{width:100%;height:100%;border:0;background:transparent;color:var(--light-1);font-size:14px;outline:none}
.mobile-search input::placeholder{color:rgba(245,243,238,.5)}
.mobile-actions{display:flex;gap:10px;margin:16px 24px 0}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--card);border-bottom:1px solid var(--line)}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0;font-size:12px;color:var(--muted);
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--violet)}
.crumb .sep{color:#C6C3B8}
.crumb .current{color:#5A5F73}

/* ============ 文章头部 ============ */
.article-head{background:var(--card);padding:28px 0 34px}
.article-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--violet-text);background:var(--violet-soft);border-radius:999px;padding:5px 12px;
}
.article-head h1{
  font-size:clamp(28px,4vw,46px);line-height:1.3;margin:16px 0 16px;letter-spacing:-.4px;
  max-width:900px;
}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.meta .vline{width:1px;height:12px;background:var(--line-strong)}
.cover{
  margin-top:28px;border-radius:var(--r-card);overflow:hidden;background:#EDEBE3;
  aspect-ratio:16/9;box-shadow:var(--shadow-card);
}
.cover img{width:100%;height:100%;object-fit:cover}

/* ============ 正文布局 ============ */
.article-wrap{padding:48px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;align-items:start}
.article-main{width:100%;max-width:760px}
.entry-content{font-size:16px;line-height:1.9;color:var(--text)}
.entry-content>*:first-child{margin-top:0}
.entry-content p{margin:0 0 22px}
.entry-content h2{
  position:relative;font-size:24px;line-height:1.4;margin:40px 0 16px;padding-left:14px;
}
.entry-content h2::before{
  content:"";position:absolute;left:0;top:.35em;width:3px;height:18px;
  background:var(--amber);border-radius:2px;
}
.entry-content h3{font-size:20px;margin:32px 0 14px;color:#252A47}
.entry-content h4{font-size:17px;margin:24px 0 12px}
.entry-content ul,.entry-content ol{padding-left:1.4em;margin:0 0 22px}
.entry-content li{margin:0 0 10px}
.entry-content li::marker{color:var(--violet)}
.entry-content blockquote{
  margin:0 0 24px;padding:16px 20px;background:#FBFAF6;
  border-left:3px solid var(--amber);border-radius:0 10px 10px 0;color:#4A4F66;
}
.entry-content blockquote p:last-child{margin-bottom:0}
.entry-content table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px}
.entry-content th,.entry-content td{border:1px solid var(--line-strong);padding:10px 14px;text-align:left}
.entry-content th{background:#FBFAF6;color:var(--ink);font-weight:600}
.entry-content code{background:#F1EFE8;padding:2px 6px;border-radius:4px;font-size:14px}
.entry-content img{border-radius:var(--r-card);margin:0 0 24px}
.entry-content a{border-bottom:1px solid rgba(108,140,232,.4)}
.entry-content a:hover{border-bottom-color:var(--violet)}
.entry-content hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 文末信息条 */
.post-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:36px;padding:18px 22px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);
}
.post-foot .tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.post-foot .acts{display:flex;gap:10px}
.post-foot .acts button{
  height:36px;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--line-strong);
  background:var(--card);color:var(--ink);font-size:13px;font-weight:600;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.post-foot .acts button:hover{background:#FBFAF6;border-color:rgba(27,31,59,.34);color:var(--ink)}

/* 侧栏 */
.article-aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.aside-card h3{font-size:15px;margin-bottom:14px;letter-spacing:.2px}
.aside-list{list-style:none;margin:0;padding:0}
.aside-list li{border-top:1px solid var(--line)}
.aside-list li:first-child{border-top:0}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:13.5px;color:var(--text);
}
.aside-list a:hover{color:var(--violet)}
.aside-list a span{color:#B7B4A9;font-size:12px}
.aside-note{
  background:var(--ink);color:rgba(245,243,238,.78);border-radius:var(--r-card);
  padding:22px;font-size:13px;line-height:1.8;
}
.aside-note strong{display:block;color:#fff;font-size:14.5px;margin-bottom:8px}
.aside-note .btn{margin-top:14px}

/* 相关栏目 */
.related{padding:8px 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{position:relative;font-size:26px;padding-left:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:18px;background:var(--amber);border-radius:2px;
}
.section-head .link-more{font-size:14px;font-weight:600}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.rel-card .thumb{aspect-ratio:16/9;background:#EDEBE3;overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px}
.rel-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.8}
.rel-card .go{margin-top:auto;font-size:13.5px;font-weight:600}

/* 返回条 */
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 28px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-card);margin-bottom:8px;
}
.back-bar p{margin:0;font-size:14px;color:var(--muted)}
.back-bar .acts{display:flex;flex-wrap:wrap;gap:12px}

/* 空状态 */
.empty-state{
  text-align:center;padding:64px 24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:var(--violet-soft);display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:14.5px;max-width:420px;margin:0 auto 22px}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--card);border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:center;color:var(--ink);
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,background .18s ease,border-color .18s ease;
  z-index:50;
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:#FBFAF6;border-color:rgba(27,31,59,.34)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(245,243,238,.72);padding:64px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13px;line-height:1.9;color:rgba(245,243,238,.6);max-width:300px;margin:0}
.footer-col h4{font-size:14px;color:var(--light-1);margin-bottom:14px;font-weight:700}
.footer-col a{display:block;font-size:13px;color:rgba(245,243,238,.66);padding:6px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--amber)}
.footer-col address{font-style:normal;font-size:13px;line-height:2;color:rgba(245,243,238,.62)}
.footer-bottom{
  border-top:1px solid rgba(245,243,238,.1);padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12px;color:rgba(245,243,238,.5);
}
.footer-bottom a{color:rgba(245,243,238,.6)}
.footer-bottom a:hover{color:var(--amber)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-aside{display:none}
  .article-main{max-width:820px;margin:0 auto}
}
@media (max-width:992px){
  .nav-links,.nav-right{display:none}
  .nav-toggle{display:flex}
  .nav{height:64px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .article-wrap{padding:36px 0 56px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-head{padding:22px 0 26px}
  .article-head h1{font-size:clamp(24px,6vw,32px)}
  .entry-content{font-size:15.5px}
  .entry-content h2{font-size:21px;margin:32px 0 14px}
  .entry-content h3{font-size:18.5px}
  .section-head h2{font-size:22px}
  .back-bar{padding:20px}
  .back-bar .acts{width:100%}
  .back-bar .acts .btn{flex:1}
  .post-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .cover{aspect-ratio:4/3}
  .to-top{right:16px;bottom:16px}
  .footer-bottom{flex-direction:column}
  .mobile-actions{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --ink:#1B1F3B;
  --ink-deep:#11142A;
  --amber:#F2B441;
  --amber-hover:#FFC65C;
  --violet:#6C8CE8;
  --violet-deep:#4E6FD4;
  --violet-soft:#E9EEFB;
  --mint:#8FD6C4;
  --mint-soft:#E4F5F0;
  --paper:#F7F6F2;
  --paper-alt:#FBFAF6;
  --card:#FFFFFF;
  --line:#EDEBE3;
  --line-strong:#D9D7CE;
  --text:#3C4056;
  --text-soft:#7A7F96;
  --text-title:#1B1F3B;
  --on-dark:#F5F3EE;
  --on-dark-soft:rgba(245,243,238,.72);
  --on-dark-line:rgba(245,243,238,.12);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(27,31,59,.06),0 6px 20px rgba(27,31,59,.06);
  --shadow-hover:0 10px 30px rgba(27,31,59,.12);
  --container:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.3em;}
img{max-width:100%;display:block;border:0;}
a{color:var(--violet);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--violet-deep);}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--ink);
  border-bottom:1px solid rgba(245,243,238,.10);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(17,20,42,.30);}
.nav{display:flex;align-items:center;gap:24px;height:68px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:17px;
  font-weight:700;
  letter-spacing:.4px;
  color:var(--on-dark);
  flex-shrink:0;
}
.logo:hover{color:var(--on-dark);}
.logo-thin{font-weight:400;color:rgba(245,243,238,.80);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-links a{
  position:relative;
  padding:8px 11px;
  font-size:14.5px;
  color:rgba(245,243,238,.72);
  border-radius:8px;
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--on-dark);background:rgba(245,243,238,.07);}
.nav-links a.is-active{color:var(--on-dark);font-weight:600;}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  bottom:-1px;
  height:2px;
  border-radius:2px;
  background:var(--amber);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  width:200px;
  padding:0 12px;
  border-radius:var(--radius-btn);
  background:rgba(245,243,238,.08);
  border:1px solid rgba(245,243,238,.14);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search:focus-within{
  border-color:var(--amber);
  background:rgba(245,243,238,.13);
  box-shadow:0 0 0 2px rgba(242,180,65,.22);
}
.nav-search svg{flex-shrink:0;opacity:.85;}
.nav-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  color:var(--on-dark);
  font-size:13px;
  line-height:1.4;
  outline:none;
}
.nav-search input::placeholder{color:rgba(245,243,238,.50);}
.nav-login{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  font-size:14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(245,243,238,.30);
  color:rgba(245,243,238,.92);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-login:hover{border-color:var(--amber);color:var(--amber);background:rgba(242,180,65,.08);}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;
  height:40px;
  margin-left:auto;
  border-radius:8px;
  border:1px solid rgba(245,243,238,.22);
  padding:0 9px;
}
.nav-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--on-dark);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;
  background:var(--ink-deep);
  border-top:1px solid rgba(245,243,238,.10);
  padding:12px 24px 26px;
}
.mobile-panel.is-open{display:block;animation:panelIn .2s ease;}
@keyframes panelIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
.mobile-panel > a{
  display:block;
  padding:13px 4px;
  font-size:15.5px;
  color:rgba(245,243,238,.78);
  border-bottom:1px solid rgba(245,243,238,.08);
}
.mobile-panel > a:hover{color:var(--on-dark);}
.mobile-panel > a.is-active{color:var(--amber);font-weight:600;}
.mobile-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  margin:18px 0 14px;
  padding:0 12px;
  border-radius:var(--radius-btn);
  background:rgba(245,243,238,.08);
  border:1px solid rgba(245,243,238,.16);
}
.mobile-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  color:var(--on-dark);
  font-size:14px;
  outline:none;
}
.mobile-search input::placeholder{color:rgba(245,243,238,.5);}
.mobile-actions{display:grid;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--amber);color:var(--ink);}
.btn-primary:hover{background:var(--amber-hover);color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,180,65,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(27,31,59,.30);color:var(--ink);}
.btn-ghost:hover{background:rgba(27,31,59,.06);color:var(--ink);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost-light{background:transparent;border-color:rgba(245,243,238,.40);color:var(--on-dark);}
.btn-ghost-light:hover{background:rgba(245,243,238,.10);color:var(--on-dark);transform:translateY(-1px);}
.btn-ghost-light:active{transform:translateY(0);}
.btn-block{width:100%;}

/* ---------- 内页横幅 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:var(--on-dark);
  padding:52px 0 56px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.30;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 16% 26%, rgba(242,180,65,.20), transparent 46%),
    radial-gradient(circle at 88% 78%, rgba(108,140,232,.22), transparent 52%),
    linear-gradient(180deg, rgba(17,20,42,.52), rgba(17,20,42,.93));
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:rgba(245,243,238,.58);
  margin-bottom:20px;
}
.crumbs a{color:rgba(245,243,238,.72);}
.crumbs a:hover{color:var(--amber);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:rgba(245,243,238,.88);}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:26px;
  padding:0 12px;
  margin-bottom:16px;
  border-radius:var(--radius-pill);
  background:rgba(143,214,196,.16);
  border:1px solid rgba(143,214,196,.42);
  color:#B8E9DC;
  font-size:12px;
  letter-spacing:.5px;
}
.hero-badge::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--mint);
}
.page-hero h1{
  font-size:40px;
  line-height:1.28;
  font-weight:700;
  color:var(--on-dark);
  letter-spacing:.5px;
  max-width:820px;
}
.page-hero .hero-sub{
  margin-top:16px;
  font-size:16.5px;
  line-height:1.8;
  color:var(--on-dark-soft);
  max-width:680px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:26px;
  font-size:13px;
  color:rgba(245,243,238,.62);
}
.hero-meta .dot{width:1px;height:12px;background:rgba(245,243,238,.24);}

/* ---------- 锚点导航 ---------- */
.anchor-bar{
  position:relative;
  z-index:3;
  background:var(--card);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 14px rgba(27,31,59,.04);
}
.anchor-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding:16px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 17px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  background:var(--card);
  color:var(--text);
  font-size:14px;
  white-space:nowrap;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.pill:hover{border-color:var(--amber);color:var(--ink);background:var(--paper-alt);}
.pill.is-active{background:var(--amber);border-color:var(--amber);color:var(--ink);font-weight:600;}

/* ---------- 通用板块 ---------- */
.section{padding:78px 0;}
.section-alt{background:var(--paper-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-title{
  position:relative;
  padding-left:15px;
  font-size:30px;
  line-height:1.32;
  font-weight:700;
  color:var(--text-title);
  letter-spacing:.3px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--amber);
}
.section-desc{
  margin-top:10px;
  font-size:15px;
  color:var(--text-soft);
  max-width:720px;
}
.section-link{
  flex-shrink:0;
  font-size:14px;
  font-weight:600;
  color:var(--violet);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.section-link:hover{color:var(--violet-deep);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 数据条 ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 22px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#E2DFD3;}
.stat-num{
  font-size:38px;
  font-weight:700;
  line-height:1.1;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.stat-num small{font-size:15px;font-weight:600;color:var(--text-soft);margin-left:4px;}
.stat-label{
  margin-top:10px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text-title);
}
.stat-note{
  margin-top:6px;
  font-size:13px;
  line-height:1.7;
  color:var(--text-soft);
}

/* ---------- 条目卡片流 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 26px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#E4E1D5;}
.card-tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 11px;
  border-radius:var(--radius-pill);
  background:var(--violet-soft);
  color:#40508F;
  font-size:12px;
  font-weight:600;
  letter-spacing:.3px;
}
.card-tag.mint{background:var(--mint-soft);color:#2C6B5B;}
.card-tag.amber{background:rgba(242,180,65,.20);color:#8A5D0B;}
.info-card h3{
  margin-top:14px;
  font-size:20px;
  line-height:1.45;
  font-weight:700;
  color:var(--text-title);
}
.info-card p{
  margin-top:10px;
  font-size:15px;
  line-height:1.85;
  color:var(--text);
}
.card-link{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:14px;
  font-weight:600;
  color:var(--violet);
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
}
.card-link:hover{color:var(--violet-deep);gap:10px;}

/* ---------- 验证方式图文 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:center;
}
.figure{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#ECEAE2;
  box-shadow:var(--shadow-card);
}
.figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.verify-list{list-style:none;padding:0;margin:26px 0 0;}
.verify-list li{
  display:flex;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.verify-list li:last-child{border-bottom:0;}
.verify-index{
  flex-shrink:0;
  width:34px;
  height:34px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(242,180,65,.18);
  border:1px solid rgba(242,180,65,.55);
  color:#8A5D0B;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.verify-body h4{
  font-size:17px;
  font-weight:700;
  color:var(--text-title);
  line-height:1.5;
}
.verify-body p{
  margin-top:6px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-soft);
}

/* ---------- 风险对照表 ---------- */
.risk-table{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.risk-row{
  display:grid;
  grid-template-columns:1.1fr 1fr 1.3fr;
  border-bottom:1px solid var(--line);
}
.risk-row:last-child{border-bottom:0;}
.risk-cell{
  padding:20px 22px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--text);
  border-right:1px solid var(--line);
}
.risk-cell:last-child{border-right:0;}
.risk-row.head .risk-cell{
  background:var(--paper-alt);
  font-size:13.5px;
  font-weight:700;
  color:var(--text-title);
  letter-spacing:.4px;
  padding-top:16px;
  padding-bottom:16px;
}
.risk-cell strong{color:var(--text-title);font-weight:600;}
.risk-cell .flag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 9px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  background:rgba(242,180,65,.20);
  color:#8A5D0B;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  margin-bottom:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:last-child{margin-bottom:0;}
.faq-item.is-open{border-color:rgba(242,180,65,.62);box-shadow:var(--shadow-hover);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-title);
  line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--violet-deep);}
.faq-icon{
  flex-shrink:0;
  width:24px;
  height:24px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:600;
  line-height:1;
  color:var(--text-soft);
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  background:var(--amber);
  border-color:var(--amber);
  color:var(--ink);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .18s ease;
}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text);
}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-deep);
  color:var(--on-dark);
  padding:72px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 22% 24%, rgba(242,180,65,.18), transparent 46%),
    radial-gradient(circle at 78% 76%, rgba(108,140,232,.20), transparent 50%);
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto;}
.cta-inner h2{
  font-size:32px;
  line-height:1.34;
  font-weight:700;
  color:var(--on-dark);
}
.cta-inner p{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--on-dark-soft);
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  margin-top:30px;
}
.cta-note{
  margin-top:20px;
  font-size:12.5px;
  color:rgba(245,243,238,.50);
  letter-spacing:.3px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  padding:64px 0 0;
  border-top:1px solid rgba(245,243,238,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{
  font-size:13.5px;
  line-height:1.9;
  color:var(--on-dark-soft);
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--on-dark);
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col a{
  display:block;
  font-size:13px;
  line-height:1.9;
  color:var(--on-dark-soft);
  padding:5px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:var(--amber);transform:translateX(2px);}
.footer-col address{
  font-style:normal;
  font-size:13px;
  line-height:1.95;
  color:var(--on-dark-soft);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0;
  border-top:1px solid rgba(245,243,238,.10);
  font-size:12.5px;
  color:rgba(245,243,238,.52);
}
.footer-bottom a{color:rgba(245,243,238,.72);}
.footer-bottom a:hover{color:var(--amber);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-search{width:170px;}
  .nav-links a{padding:8px 9px;font-size:14px;}
  .split{gap:32px;}
}
@media (max-width:992px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-right{margin-left:auto;gap:10px;}
  .nav-login{display:inline-flex;}
  .page-hero h1{font-size:34px;}
  .section{padding:66px 0;}
  .section-title{font-size:26px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:1fr;gap:20px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .figure{order:-1;}
  .risk-row{grid-template-columns:1fr;}
  .risk-cell{border-right:0;border-bottom:1px solid var(--line);}
  .risk-row .risk-cell:last-child{border-bottom:0;}
  .risk-row.head{display:none;}
  .risk-cell::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    font-weight:700;
    color:var(--text-soft);
    letter-spacing:.4px;
    margin-bottom:6px;
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .cta-inner h2{font-size:27px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .nav{height:62px;gap:12px;}
  .nav-login{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .page-hero{padding:38px 0 42px;}
  .page-hero h1{font-size:27px;letter-spacing:.2px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-meta{font-size:12.5px;gap:10px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-title{font-size:23px;}
  .section-desc{font-size:14px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .stat-card{padding:20px 18px;}
  .stat-num{font-size:30px;}
  .info-card{padding:22px 20px;}
  .info-card h3{font-size:18.5px;}
  .faq-q{padding:17px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:56px 0;}
  .cta-inner h2{font-size:23px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:480px){
  .logo{font-size:15.5px;}
  .page-hero h1{font-size:24px;line-height:1.34;}
  .hero-badge{font-size:11.5px;}
  .stat-grid{grid-template-columns:1fr;}
  .anchor-inner{padding:13px 0;}
  .pill{height:33px;padding:0 14px;font-size:13px;}
  .btn{height:42px;padding:0 18px;font-size:14.5px;}
}

/* roulang page: category2 */
:root{
  --ink:#1B1F3B;
  --ink-deep:#11142A;
  --amber:#F2B441;
  --amber-light:#FFC65C;
  --blue:#6C8CE8;
  --mint:#8FD6C4;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#EDEBE3;
  --line-strong:#D9D7CE;
  --text:#3C4056;
  --muted:#7A7F96;
  --light:#F5F3EE;
  --light-dim:rgba(245,243,238,.72);
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(27,31,59,.06), 0 6px 20px rgba(27,31,59,.06);
  --shadow-md:0 10px 30px rgba(27,31,59,.12);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--blue);text-decoration:none;transition:color .2s}
a:hover{color:#4E6ED0}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{color:var(--ink);line-height:1.28;font-weight:700}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink);border-bottom:1px solid rgba(245,243,238,.10)}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(17,20,42,.30)}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:8px;color:var(--light);font-size:17px;font-weight:700;letter-spacing:.3px;white-space:nowrap}
.logo:hover{color:var(--light)}
.logo svg{flex:none}
.logo-thin{font-weight:400;opacity:.78}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:14px}
.nav-links a{position:relative;color:rgba(245,243,238,.74);font-size:15px;padding:6px 0}
.nav-links a:hover{color:var(--light)}
.nav-links a.is-active{color:var(--light);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--amber);border-radius:2px}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;width:200px;padding:0 12px;background:rgba(245,243,238,.08);border:1px solid rgba(245,243,238,.18);border-radius:var(--radius-btn);transition:border-color .2s,box-shadow .2s,background .2s}
.nav-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 2px rgba(242,180,65,.22);background:rgba(245,243,238,.12)}
.nav-search input{width:100%;border:0;outline:0;background:transparent;color:var(--light);font-size:13px}
.nav-search input::placeholder{color:rgba(245,243,238,.5)}
.nav-login{height:40px;display:inline-flex;align-items:center;padding:0 18px;border:1px solid rgba(245,243,238,.4);border-radius:var(--radius-btn);color:var(--light);font-size:14px}
.nav-login:hover{background:rgba(245,243,238,.08);border-color:rgba(245,243,238,.7);color:var(--light)}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;padding:10px;margin-left:auto;background:transparent;border:1px solid rgba(245,243,238,.24);border-radius:var(--radius-btn);cursor:pointer;transition:border-color .2s,background .2s}
.nav-toggle:hover{background:rgba(245,243,238,.08)}
.nav-toggle span{display:block;height:2px;background:var(--light);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle span+span{margin-top:5px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{position:absolute;left:0;right:0;top:68px;max-height:0;overflow:hidden;visibility:hidden;opacity:0;background:#161A33;border-bottom:1px solid rgba(245,243,238,.1);transition:max-height .24s ease,padding .24s ease,opacity .2s}
.mobile-panel.is-open{max-height:calc(100vh - 68px);overflow-y:auto;visibility:visible;opacity:1;padding:16px 24px 24px}
.mobile-panel a{display:block;color:rgba(245,243,238,.8);padding:12px 0;font-size:15px;border-bottom:1px solid rgba(245,243,238,.08)}
.mobile-panel a.is-active{color:var(--amber)}
.mobile-search{display:flex;align-items:center;gap:8px;height:40px;margin:14px 0;padding:0 12px;border:1px solid rgba(245,243,238,.18);border-radius:var(--radius-btn);background:rgba(245,243,238,.06)}
.mobile-search:focus-within{border-color:var(--amber)}
.mobile-search input{flex:1;border:0;outline:0;background:transparent;color:var(--light);font-size:13px}
.mobile-actions{display:grid;gap:10px;margin-top:8px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;text-align:center;transition:background-color .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s}
.btn-primary{background:var(--amber);color:var(--ink)}
.btn-primary:hover{background:var(--amber-light);color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(242,180,65,.32)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(27,31,59,.3);color:var(--ink)}
.btn-ghost:hover{background:rgba(27,31,59,.06);color:var(--ink)}
.btn-ghost-light{background:transparent;border-color:rgba(245,243,238,.4);color:var(--light)}
.btn-ghost-light:hover{background:rgba(245,243,238,.1);color:var(--light)}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* 徽章 */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px}
.badge-cat{background:rgba(108,140,232,.16);color:#3A56A8}
.badge-status{background:rgba(143,214,196,.3);color:#245F50}
.badge-amber{background:var(--amber);color:var(--ink)}

/* 页头横幅 */
.page-banner{position:relative;padding:60px 0 54px;color:var(--light);overflow:hidden;background:var(--ink) url('/assets/images/backpic/back-2.png') center/cover no-repeat}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(17,20,42,.95) 0%,rgba(17,20,42,.87) 46%,rgba(27,31,59,.62) 100%)}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:18px;font-size:12px;color:rgba(245,243,238,.58)}
.breadcrumb a{color:rgba(245,243,238,.7)}
.breadcrumb a:hover{color:var(--amber)}
.page-banner h1{margin:0 0 14px;max-width:860px;font-size:44px;line-height:1.28;color:var(--light)}
.banner-sub{margin:0 0 22px;font-size:18px;color:rgba(245,243,238,.78)}
.banner-meta{display:flex;flex-wrap:wrap;font-size:14px;color:rgba(245,243,238,.62)}
.banner-meta span{padding:0 14px;border-left:1px solid rgba(245,243,238,.18)}
.banner-meta span:first-child{padding-left:0;border-left:0}

/* 锚点导航 */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line)}
.anchor-pills{display:flex;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.anchor-pills::-webkit-scrollbar{display:none}
.pill{flex:none;display:inline-flex;align-items:center;height:34px;padding:0 16px;border:1px solid var(--line-strong);border-radius:999px;background:#fff;color:var(--text);font-size:14px}
.pill:hover{border-color:var(--amber);color:var(--ink)}
.pill.is-active{background:var(--amber);border-color:var(--amber);color:var(--ink);font-weight:600}
.pill:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* 板块 */
.section{padding:80px 0}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-title{display:flex;align-items:center;margin:0;font-size:32px;line-height:1.28;color:var(--ink)}
.section-title::before{content:"";flex:none;width:3px;height:22px;margin-right:12px;background:var(--amber);border-radius:2px}
.section-desc{max-width:560px;margin:10px 0 0;font-size:15px;color:var(--muted);line-height:1.85}
.section-more{font-size:14px;font-weight:600;color:var(--blue)}

/* 功能卡片 */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.feature-card{display:flex;flex-direction:column;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#E2DFD4}
.feature-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;margin-bottom:16px;border-radius:10px;background:rgba(108,140,232,.12);color:#3A56A8;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.feature-card h3{margin:0 0 8px;font-size:19px;color:var(--ink)}
.feature-card p{margin:0 0 16px;font-size:14.5px;line-height:1.8;color:var(--text)}
.feature-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--blue)}
.feature-link:hover{text-decoration:underline;text-underline-offset:3px}

/* 对照区 */
.compare-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.compare-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare-head,.compare-row{display:grid;grid-template-columns:130px 160px 1fr;gap:16px;align-items:center;padding:14px 20px;font-size:14px}
.compare-head{background:#FBFAF6;border-bottom:1px solid var(--line);font-size:12px;font-weight:600;letter-spacing:.6px;color:var(--muted)}
.compare-row{border-bottom:1px solid var(--line);transition:background .2s}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:#FBFAF6}
.compare-row .name{font-size:15px;font-weight:600;color:var(--ink)}
.compare-row .pos{font-size:13px;color:var(--blue)}
.compare-row .use{font-size:13.5px;line-height:1.7;color:var(--muted)}
.side-card{background:var(--ink);border:1px solid rgba(245,243,238,.12);border-radius:var(--radius-card);overflow:hidden}
.side-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92}
.side-card-body{padding:22px}
.side-card h3{margin:0 0 10px;font-size:19px;color:var(--light)}
.side-card p{margin:0 0 16px;font-size:14px;line-height:1.8;color:rgba(245,243,238,.72)}
.side-card .badge{margin-bottom:12px}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.flow-step{padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.flow-num{display:flex;align-items:center;justify-content:center;width:34px;height:34px;margin-bottom:14px;border-radius:50%;background:var(--amber);color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.flow-step h3{margin:0 0 8px;font-size:17px;color:var(--ink)}
.flow-step p{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}

/* 提醒 */
.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.tips-copy h2{margin:0 0 14px;font-size:32px;line-height:1.28;color:var(--ink)}
.tips-copy>p{font-size:15.5px;color:var(--text)}
.tips-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.check-list{display:grid;gap:14px;margin:22px 0 0;list-style:none}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--text)}
.check-list li::before{content:"✓";flex:none;display:flex;align-items:center;justify-content:center;width:22px;height:22px;margin-top:3px;border-radius:50%;background:rgba(143,214,196,.3);color:#245F50;font-size:12px;font-weight:700}

/* FAQ */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.is-open{border-color:#E4D6B0;box-shadow:var(--shadow-sm)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--ink)}
.faq-q:focus-visible{outline:2px solid var(--blue);outline-offset:-2px}
.faq-icon{position:relative;flex:none;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .18s ease,opacity .18s ease}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 22px 20px;margin:0;font-size:15px;line-height:1.85;color:var(--text)}

/* 行动条 */
.cta-band{padding:76px 0;text-align:center;color:var(--light);background:var(--ink-deep) radial-gradient(circle at 18% 22%,rgba(242,180,65,.16),transparent 58%),radial-gradient(circle at 82% 78%,rgba(108,140,232,.18),transparent 60%)}
.cta-band h2{margin:0 0 12px;font-size:32px;color:var(--light)}
.cta-band p{max-width:580px;margin:0 auto 26px;font-size:15.5px;color:rgba(245,243,238,.74)}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:18px;font-size:12px;color:rgba(245,243,238,.5)}

/* 页脚 */
.site-footer{padding:64px 0 0;background:var(--ink);color:rgba(245,243,238,.72);border-top:1px solid rgba(245,243,238,.1)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{margin:0;font-size:13.5px;line-height:1.9;color:rgba(245,243,238,.62)}
.footer-col h4{margin:0 0 16px;font-size:14px;color:var(--light)}
.footer-col a{display:block;padding:6px 0;font-size:13px;color:rgba(245,243,238,.66)}
.footer-col a:hover{color:var(--amber)}
.footer-col address{font-style:normal;font-size:13px;line-height:1.9;color:rgba(245,243,238,.62)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;padding:20px 0;border-top:1px solid rgba(245,243,238,.1);font-size:12px;color:rgba(245,243,238,.5)}
.footer-bottom a{color:rgba(245,243,238,.7)}
.footer-bottom a:hover{color:var(--amber)}

/* 响应式 */
@media (max-width:1200px){
  .container{padding:0 22px}
  .page-banner h1{font-size:38px}
  .nav-links{gap:20px;margin-left:6px}
}
@media (max-width:992px){
  .nav-links,.nav-search,.nav-login,.nav-cta{display:none}
  .nav-toggle{display:block}
  .page-banner{padding:52px 0 46px}
  .page-banner h1{font-size:32px}
  .banner-sub{font-size:16px}
  .section{padding:64px 0}
  .section-title{font-size:27px}
  .compare-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tips-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .feature-grid{grid-template-columns:1fr}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:4px;padding:16px 18px}
  .flow-grid{grid-template-columns:1fr}
  .tips-copy h2{font-size:26px}
  .cta-band h2{font-size:26px}
  .section-head{margin-bottom:28px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .page-banner h1{font-size:27px}
  .section{padding:48px 0}
  .section-title{font-size:23px}
  .banner-meta{font-size:13px}
  .banner-meta span{padding:0 10px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category4 */
:root{
  --ink:#1B1F3B;
  --ink-deep:#11142A;
  --amber:#F2B441;
  --amber-light:#FFC65C;
  --orbit:#6C8CE8;
  --orbit-deep:#3E5AB0;
  --mint:#8FD6C4;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#EDEBE3;
  --line-strong:#DFDCD2;
  --text:#3C4056;
  --muted:#7A7F96;
  --light:#F5F3EE;
  --light-soft:rgba(245,243,238,.72);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(27,31,59,.06),0 6px 20px rgba(27,31,59,.06);
  --shadow-hover:0 10px 30px rgba(27,31,59,.12);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--orbit);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orbit-deep)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.28;font-weight:700}
p{margin:0}
::selection{background:rgba(242,180,65,.35);color:var(--ink-deep)}
:focus-visible{outline:2px solid var(--orbit);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--ink);
  color:var(--light);
  border-bottom:1px solid rgba(245,243,238,.10);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(17,20,42,.34)}
.nav{display:flex;align-items:center;gap:20px;height:68px}
.logo{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--light);font-size:17px;font-weight:700;letter-spacing:.4px;
  white-space:nowrap;
}
.logo svg{flex:none}
.logo:hover{color:#fff}
.logo-thin{font-weight:400;opacity:.82}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px 9px;
  font-size:14.5px;
  color:var(--light-soft);
  border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--light);background:rgba(245,243,238,.07)}
.nav-links a.is-active{color:var(--light);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--amber);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:210px;height:40px;padding:0 12px;
  background:rgba(245,243,238,.08);
  border:1px solid rgba(245,243,238,.16);
  border-radius:var(--radius-sm);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search:hover{background:rgba(245,243,238,.11)}
.nav-search:focus-within{
  border-color:var(--amber);
  box-shadow:0 0 0 3px rgba(242,180,65,.18);
  background:rgba(245,243,238,.12);
}
.nav-search svg{flex:none;opacity:.7}
.nav-search input{
  width:100%;background:transparent;border:0;outline:0;
  color:var(--light);font-size:13.5px;line-height:1.4;
}
.nav-search input::placeholder{color:rgba(245,243,238,.48)}
.nav-login{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 16px;font-size:14px;
  color:var(--light);
  border:1px solid rgba(245,243,238,.38);
  border-radius:var(--radius-sm);
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.nav-login:hover{background:rgba(245,243,238,.12);border-color:rgba(245,243,238,.6);color:#fff}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.nav-toggle{
  display:none;flex-direction:column;gap:4px;
  padding:8px;margin-left:auto;border-radius:8px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--light);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{display:none;background:var(--ink-deep);border-top:1px solid rgba(245,243,238,.10);padding:14px 24px 22px}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;padding:12px 4px;font-size:15px;
  color:rgba(245,243,238,.78);
  border-bottom:1px solid rgba(245,243,238,.08);
}
.mobile-panel a:hover{color:#fff}
.mobile-panel a.is-active{color:var(--amber);font-weight:600}
.mobile-search{
  display:flex;align-items:center;gap:8px;
  height:42px;margin:16px 0;padding:0 12px;
  background:rgba(245,243,238,.08);
  border:1px solid rgba(245,243,238,.16);
  border-radius:var(--radius-sm);
}
.mobile-search:focus-within{border-color:var(--amber);box-shadow:0 0 0 3px rgba(242,180,65,.18)}
.mobile-search input{flex:1;background:transparent;border:0;outline:0;color:var(--light);font-size:14px}
.mobile-search input::placeholder{color:rgba(245,243,238,.48)}
.mobile-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;border-radius:var(--radius-sm);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--amber);color:var(--ink-deep);box-shadow:0 4px 14px rgba(242,180,65,.28)}
.btn-primary:hover{background:var(--amber-light);color:var(--ink-deep);transform:translateY(-1px);box-shadow:0 8px 22px rgba(242,180,65,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(242,180,65,.3)}
.btn-primary:focus-visible{outline:2px solid var(--orbit);outline-offset:3px}
.btn-ghost-light{background:transparent;border-color:rgba(245,243,238,.42);color:var(--light)}
.btn-ghost-light:hover{background:rgba(245,243,238,.12);border-color:rgba(245,243,238,.66);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(27,31,59,.26);color:var(--ink)}
.btn-ghost:hover{background:rgba(27,31,59,.06);border-color:rgba(27,31,59,.44)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--orbit)}
.link-arrow:hover{color:var(--orbit-deep);text-decoration:underline;text-underline-offset:3px}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:52px 0 48px;
  color:var(--light);
  background:var(--ink) url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 16%,rgba(108,140,232,.30),transparent 52%),
    radial-gradient(circle at 84% 82%,rgba(242,180,65,.20),transparent 48%),
    linear-gradient(104deg,rgba(17,20,42,.95) 0%,rgba(27,31,59,.88) 58%,rgba(17,20,42,.80) 100%);
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:rgba(245,243,238,.58);margin-bottom:18px}
.crumbs a{color:rgba(245,243,238,.72)}
.crumbs a:hover{color:var(--amber)}
.crumbs .sep{opacity:.5}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  color:var(--light);
  letter-spacing:.2px;
  max-width:900px;
}
.hero-sub{
  margin-top:16px;font-size:16px;line-height:1.8;
  color:rgba(245,243,238,.76);
  max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-soft{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  font-size:12.5px;color:rgba(245,243,238,.88);
  background:rgba(245,243,238,.10);
  border:1px solid rgba(245,243,238,.20);
  border-radius:999px;
}
.tag-soft.amber{color:var(--ink-deep);background:var(--amber);border-color:var(--amber);font-weight:600}

/* ---------- anchor nav ---------- */
.anchor-wrap{
  position:sticky;top:68px;z-index:70;
  background:rgba(247,246,242,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-nav{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-nav::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  font-size:13.5px;color:var(--text);white-space:nowrap;
  background:#fff;border:1px solid var(--line-strong);
  border-radius:999px;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.pill:hover{background:#FBFAF6;border-color:rgba(242,180,65,.7);transform:translateY(-1px);color:var(--ink)}
.pill.is-current{background:var(--amber);border-color:var(--amber);color:var(--ink-deep);font-weight:600}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section--paper{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:60px 0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-title{
  position:relative;
  font-size:clamp(23px,2.6vw,32px);
  padding-left:16px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--amber);border-radius:2px;
}
.sec-desc{margin-top:12px;font-size:15.5px;line-height:1.9;color:var(--muted)}

/* ---------- quick look ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.kpi{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.kpi:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.kpi-num{
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--orbit-deep);
  background:rgba(108,140,232,.12);
  border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:26px;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.kpi h3{font-size:16.5px;margin-bottom:8px}
.kpi p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:14px}
.kpi .link-arrow{margin-top:auto;font-size:13.5px}

/* ---------- q cards ---------- */
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.qcard{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.qcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.qcard-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  font-size:12px;font-weight:600;width:fit-content;
  color:var(--orbit-deep);background:rgba(108,140,232,.14);
  border-radius:999px;margin-bottom:14px;
}
.qcard-badge.mint{color:#256B58;background:rgba(143,214,196,.28)}
.qcard h3{font-size:18px;margin-bottom:10px}
.qcard p{font-size:14.5px;line-height:1.82;color:var(--muted);margin-bottom:18px}
.qcard .link-arrow{margin-top:auto}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.split-media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#EFEDE6;
  aspect-ratio:16/10;
}
.split-media img{width:100%;height:100%;object-fit:cover}
.plain-list{border-top:1px solid var(--line);margin-top:8px}
.plain-item{padding:18px 6px;border-bottom:1px solid var(--line);transition:background .18s ease}
.plain-item:hover{background:#FBFAF6}
.plain-item h3{font-size:16.5px;margin-bottom:6px}
.plain-item p{font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:30px;margin-bottom:14px;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--ink-deep);background:rgba(242,180,65,.26);
  border-radius:8px;
}
.flow-step h3{font-size:16.5px;margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.8;color:var(--muted)}

/* ---------- checklist ---------- */
.check-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
}
.check-list li{
  position:relative;
  padding:12px 0 12px 34px;
  font-size:14.5px;
  line-height:1.82;
  color:var(--text);
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:19px;
  width:16px;height:9px;
  border-left:2px solid var(--mint);
  border-bottom:2px solid var(--mint);
  transform:rotate(-45deg);
  border-radius:1px;
}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:rgba(242,180,65,.65);box-shadow:0 8px 24px rgba(27,31,59,.08)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--ink);
  text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--ink-deep)}
.faq-icon{
  position:relative;flex:none;
  width:22px;height:22px;border-radius:50%;
  background:rgba(108,140,232,.14);
  transition:background .2s ease,transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--orbit-deep);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{background:rgba(242,180,65,.32)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  background:var(--ink-deep);
  color:var(--light);
  padding:72px 0;
  text-align:center;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 24% 26%,rgba(108,140,232,.24),transparent 50%),
    radial-gradient(circle at 78% 72%,rgba(242,180,65,.16),transparent 48%);
}
.cta-band .container{position:relative;z-index:1}
.cta-band h2{font-size:clamp(23px,2.7vw,32px);color:var(--light);margin-bottom:14px}
.cta-band p{font-size:15.5px;line-height:1.85;color:rgba(245,243,238,.76);max-width:620px;margin:0 auto 28px}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-note{margin-top:20px;font-size:12.5px;color:rgba(245,243,238,.52)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(245,243,238,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.9;max-width:330px;color:rgba(245,243,238,.64)}
.footer-col h4{font-size:14px;color:var(--light);margin-bottom:14px;letter-spacing:.04em}
.footer-col a{display:block;padding:5px 0;font-size:13.5px;color:rgba(245,243,238,.66)}
.footer-col a:hover{color:var(--amber)}
.footer-col address{font-style:normal;font-size:13px;line-height:2;color:rgba(245,243,238,.64)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:18px 0 22px;
  border-top:1px solid rgba(245,243,238,.12);
  font-size:12.5px;color:rgba(245,243,238,.55);
}
.footer-bottom a{color:rgba(245,243,238,.7)}
.footer-bottom a:hover{color:var(--amber)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 22px}
  .nav-search{width:180px}
  .split{gap:36px}
}
@media (max-width:992px){
  .nav-links,.nav-search,.nav-login,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav{gap:12px}
  .mobile-actions .btn{height:42px;font-size:14px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:30px}
  .split-media{order:-1}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:64px 0}
  .anchor-wrap{top:64px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .page-hero{padding:40px 0 38px}
  .hero-sub{font-size:15px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .cards-2,.cards-3,.kpi-grid,.flow{grid-template-columns:1fr}
  .sec-head{margin-bottom:26px}
  .qcard,.kpi,.flow-step{padding:20px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px}
  .cta-band{padding:52px 0}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-brand p{max-width:none}
  .footer-bottom{justify-content:flex-start}
  .nav{height:64px}
  .anchor-wrap{top:64px}
  .pill{height:34px;padding:0 14px;font-size:13px}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px;line-height:1.34}
  .sec-title{font-size:22px;padding-left:14px}
  .hero-tags{gap:8px}
  .tag-soft{height:26px;padding:0 12px;font-size:12px}
  .check-panel{padding:20px}
  .btn{width:100%}
  .link-arrow{font-size:13.5px}
  .mobile-actions{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}