/* roulang page: index */
:root{
  --brand:#FF5A2B;
  --brand-2:#6C3BFF;
  --accent:#FFE14D;
  --grad-brand:linear-gradient(120deg,#FF5A2B 0%,#FF2D78 50%,#6C3BFF 100%);
  --bg:#FBF8F5;
  --card:#FFFFFF;
  --soft:#EFEAE4;
  --tint:#FFF3EC;
  --ink-bg:#141227;
  --text:#1A1826;
  --text-2:#5B5870;
  --text-3:#8C8798;
  --line:#ECE7E1;
  --ok:#16C79A;
  --warn:#FFAA2B;
  --err:#E0453B;
  --r-pill:999px;
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-input:12px;
  --r-panel:14px;
  --sh-card:0 8px 28px rgba(20,18,39,.08);
  --sh-hover:0 16px 44px rgba(20,18,39,.14);
  --sh-dark:0 12px 36px rgba(0,0,0,.35);
  --ease:.25s cubic-bezier(.4,.2,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:transparent;transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);border-bottom:1px solid transparent}
.site-header.is-stuck{background:rgba(251,248,245,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(20,18,39,.06)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:78px}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;padding:6px 4px}
.brand-mark{width:38px;height:38px;border-radius:12px;background-image:var(--grad-brand);display:grid;place-items:center;color:#fff;flex:0 0 auto;box-shadow:0 6px 18px rgba(255,90,43,.28)}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav{display:flex;align-items:center;gap:26px}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:8px 2px;transition:color var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background-image:var(--grad-brand);transform:scaleX(0);transform-origin:center;transition:transform var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-mini{display:none;justify-self:end;font-size:13px;font-weight:600;color:#fff;background-image:var(--grad-brand);padding:9px 16px;border-radius:var(--r-pill)}
.mobile-panel{position:fixed;top:0;left:0;right:0;z-index:70;background:var(--bg);border-bottom:1px solid var(--line);padding:88px 24px 28px;transform:translateY(-100%);transition:transform .3s ease;box-shadow:0 20px 40px rgba(20,18,39,.14);max-height:100vh;overflow-y:auto}
.mobile-panel.is-open{transform:translateY(0)}
.mobile-panel a{display:flex;align-items:center;height:56px;font-size:17px;color:var(--text);border-bottom:1px solid var(--line)}
.mobile-panel a.active{color:var(--brand);font-weight:600}
.mobile-panel .m-cta{margin-top:20px;justify-content:center;height:52px;color:#fff;background-image:var(--grad-brand);border-radius:var(--r-pill);border:0;font-weight:600}
.mobile-mask{position:fixed;inset:0;background:rgba(20,18,39,.45);z-index:65;opacity:0;pointer-events:none;transition:opacity .3s ease}
.mobile-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);padding:14px 28px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease)}
.btn-primary{color:#fff;background-image:var(--grad-brand);background-size:200% 100%;background-position:0 0}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,90,43,.28);background-position:100% 0}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 14px rgba(255,90,43,.22)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:var(--tint)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px}
.text-link svg{transition:transform var(--ease)}
.text-link:hover svg{transform:translateX(4px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;white-space:nowrap}
.badge-cat{background:var(--tint);color:var(--brand)}
.badge-time{background:var(--soft);color:var(--text-2);font-variant-numeric:tabular-nums}
.badge-live{background:var(--accent);color:#3A2B08}
.badge-dark{background:var(--ink-bg);color:#fff}

/* ---------- hero ---------- */
.hero{position:relative;padding:126px 0 76px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(118deg,rgba(20,18,39,.93) 0%,rgba(38,20,44,.82) 42%,rgba(108,59,255,.62) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero-grid{position:relative;display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start}
.cover-card{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-dark);aspect-ratio:16/9;background:var(--soft)}
.cover-card img{width:100%;height:100%;object-fit:cover}
.cover-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,39,.05) 0%,rgba(20,18,39,.52) 58%,rgba(20,18,39,.88) 100%)}
.cover-top{position:absolute;top:18px;left:18px;z-index:2;display:flex;gap:10px;align-items:center}
.cover-caption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:28px}
.cover-caption h1{font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.01em;color:#fff;max-width:20em}
.cover-caption .hero-sub{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);max-width:44em}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.fact{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;border-radius:var(--r-pill);padding:8px 16px;font-size:13px}
.fact svg{color:var(--accent);flex:0 0 auto}
.countdown{display:none;gap:12px;margin-top:20px}
.countdown.is-on{display:flex}
.cd-cell{width:64px;height:64px;border-radius:var(--r-img);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--sh-card)}
.cd-num{font-size:26px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;color:var(--text)}
.cd-cell.sec .cd-num{color:#B98600}
.cd-label{font-size:12px;color:var(--text-3);margin-top:4px}
.hero-side{display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-dark)}
.side-card h2{font-size:17px;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.side-card h2 .dot{width:8px;height:8px;border-radius:50%;background-image:var(--grad-brand)}
.spot-list{margin-top:4px}
.spot-item{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);line-height:1.7}
.spot-item:last-child{border-bottom:0;padding-bottom:0}
.spot-num{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--tint);color:var(--brand);font-size:12px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.remind-form{margin-top:16px}
.field{display:block;margin-bottom:12px}
.field span{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input{width:100%;height:48px;border-radius:var(--r-input);border:1px solid var(--line);padding:0 14px;background:#fff;transition:border-color var(--ease),box-shadow var(--ease)}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,43,.18)}
.field.error input{border-color:var(--err)}
.field .field-err{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.error .field-err{display:block}
.form-note{font-size:12px;color:var(--text-3);margin-top:10px;line-height:1.7}
.form-ok{display:none;margin-top:12px;background:rgba(22,199,154,.12);border:1px solid rgba(22,199,154,.4);color:#0E7C60;border-radius:var(--r-input);padding:10px 14px;font-size:13px}
.form-ok.is-on{display:block}
.outline-card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:none}
.outline-card p{font-size:13px;color:var(--text-2);margin-top:10px}

/* ---------- band ---------- */
.stat-band{background:var(--ink-bg);padding:36px 0}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.band-item{display:flex;gap:14px;align-items:flex-start}
.band-icon{width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:var(--accent);flex:0 0 auto}
.band-label{color:#fff;font-size:15px;font-weight:600}
.band-text{color:rgba(255,255,255,.62);font-size:13px;line-height:1.7;margin-top:2px}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{margin-bottom:40px}
.section-head h2{position:relative;padding-left:16px;font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:24px;border-radius:2px;background-image:var(--grad-brand)}
.section-head p{margin-top:10px;padding-left:16px;font-size:14px;color:var(--text-2);max-width:62em}
.section-head.with-link{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- nine grid ---------- */
.nine-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tile{position:relative;display:flex;flex-direction:column;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.tile::before{content:"";position:absolute;inset:0;border-radius:var(--r-md);padding:1px;background-image:var(--grad-brand);opacity:0;transition:opacity var(--ease);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.tile:hover::before{opacity:1}
.tile-icon{width:46px;height:46px;border-radius:14px;background:var(--tint);color:var(--brand);display:grid;place-items:center;transition:transform var(--ease)}
.tile:hover .tile-icon{transform:translateY(-2px)}
.tile-label{font-size:16px;font-weight:600;letter-spacing:-.01em}
.tile-desc{font-size:13px;color:var(--text-2);line-height:1.7}

/* ---------- rail ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px max(32px,calc(50vw - 568px)) 24px;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,90,43,.35)}
.rail-media{position:relative;aspect-ratio:16/9;background:var(--soft)}
.rail-media img{width:100%;height:100%;object-fit:cover}
.rail-media .badge{position:absolute;top:12px;left:12px}
.rail-body{padding:20px}
.rail-body h3{font-size:17px;font-weight:600;line-height:1.5;letter-spacing:-.01em;transition:color var(--ease)}
.rail-card:hover h3{color:var(--brand)}
.rail-body p{font-size:13px;color:var(--text-2);margin-top:8px;line-height:1.7}
.rail-meta{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}

/* ---------- cms list ---------- */
.cms-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cms-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.cms-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,90,43,.35)}
.cms-thumb{flex:0 0 96px;height:72px;border-radius:12px;overflow:hidden;background:var(--soft)}
.cms-thumb img{width:100%;height:100%;object-fit:cover}
.cms-body{min-width:0;flex:1}
.cms-title{font-size:16px;font-weight:600;line-height:1.55;margin-top:10px;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--ease)}
.cms-item:hover .cms-title{color:var(--brand)}
.cms-summary{font-size:14px;color:var(--text-2);line-height:1.7;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px}
.cms-meta svg{color:var(--brand);transition:transform var(--ease)}
.cms-item:hover .cms-meta svg{transform:translateX(4px)}
.list-foot{display:flex;justify-content:center;margin-top:40px}
.empty-state{grid-column:1/-1;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px}
.empty-state .empty-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:20px;background:var(--tint);color:var(--brand);display:grid;place-items:center}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px}
.skeleton{background:linear-gradient(90deg,#F0EBE6 25%,#E6E0DA 37%,#F0EBE6 63%);background-size:400% 100%;animation:breath 1.4s ease infinite}
@keyframes breath{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px;position:relative}
.step::after{content:"";position:absolute;top:52px;right:-32px;width:32px;border-top:1px dashed var(--line)}
.step:last-child::after{display:none}
.step-num{width:36px;height:36px;border-radius:50%;background-image:var(--grad-brand);color:#fff;font-weight:800;display:grid;place-items:center;font-size:15px;font-variant-numeric:tabular-nums}
.step h3{font-size:19px;font-weight:600;margin-top:16px;letter-spacing:-.01em}
.step p{font-size:14px;color:var(--text-2);margin-top:10px}

/* ---------- faq ---------- */
.faq{max-width:900px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);margin-bottom:14px;transition:border-color var(--ease),box-shadow var(--ease)}
.faq details[open]{border-color:rgba(255,90,43,.35);box-shadow:var(--sh-card)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 22px;font-size:16px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--tint);color:var(--brand);display:grid;place-items:center;font-size:15px;line-height:1;transition:transform var(--ease),background-color var(--ease)}
.faq details[open] summary .plus{transform:rotate(180deg);background-image:var(--grad-brand);color:#fff}
.faq .faq-body{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:700px;border-top:1px solid var(--line);padding-top:16px;margin:0 22px 20px;transition:border-color var(--ease)}

/* ---------- cta ---------- */
.cta-section{padding:0 0 96px}
.cta-band{position:relative;border-radius:28px;overflow:hidden;padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;background-image:linear-gradient(120deg,rgba(20,18,39,.72),rgba(20,18,39,.32)),var(--grad-brand);box-shadow:0 24px 60px rgba(108,59,255,.24)}
.cta-band h2{color:#fff;font-size:30px;font-weight:700;letter-spacing:-.01em;line-height:1.3}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin-top:10px;max-width:34em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.24)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-bg);color:rgba(255,255,255,.72);border-top:2px solid transparent;border-image:var(--grad-brand) 1;position:relative}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:64px 0 48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;letter-spacing:-.01em}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;max-width:30em}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;transition:color var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--brand)}

@media (max-width:1280px){
  .hero-grid{grid-template-columns:1.4fr 1fr}
  .cover-caption h1{font-size:38px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:112px 0 64px}
  .hero-grid{grid-template-columns:1fr}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .nine-grid{grid-template-columns:repeat(3,1fr)}
  .cms-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:20px}
  .step::after{display:none}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .rail-card{flex:0 0 300px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav,.nav-mini{display:none}
  .nav-toggle{display:flex;justify-self:start}
  .nav-mini{display:inline-flex;align-items:center;justify-self:end;padding:8px 14px;font-size:12px}
  .brand-text{font-size:16px}
  .brand-mark{width:32px;height:32px}
  .header-inner{height:64px}
  .brand{justify-self:center}
  .hero{padding:96px 0 48px}
  .hero-bg{background-image:linear-gradient(120deg,rgba(20,18,39,.95) 0%,rgba(60,24,68,.9) 55%,rgba(108,59,255,.8) 100%)}
  .cover-caption{padding:20px}
  .cover-caption h1{font-size:30px;line-height:1.28}
  .cover-caption .hero-sub{font-size:14px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .band-grid{grid-template-columns:1fr}
  .nine-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .tile{padding:18px}
  .rail{gap:16px;padding:8px 16px 20px}
  .rail-card{flex:0 0 76vw}
  .cms-item{flex-direction:column}
  .cms-thumb{flex:none;width:100%;height:150px}
  .cta-band{padding:36px 24px;border-radius:22px}
  .cta-band h2{font-size:24px}
  .footer-top{grid-template-columns:1fr 1fr;padding:48px 0 36px}
}
@media (max-width:480px){
  .cover-caption h1{font-size:26px}
  .nine-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head.with-link{align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A2B;
  --brand-2:#6C3BFF;
  --accent:#FFE14D;
  --grad-brand:linear-gradient(120deg,#FF5A2B 0%,#FF2D78 50%,#6C3BFF 100%);
  --bg:#FBF8F5;
  --card:#FFFFFF;
  --soft:#EFEAE4;
  --soft-2:#FFF3EC;
  --ink:#1A1826;
  --ink-2:#5B5870;
  --ink-3:#8C8798;
  --line:#ECE7E1;
  --ink-bg:#141227;
  --ok:#16C79A;
  --warn:#FFAA2B;
  --err:#E0453B;
  --r-pill:999px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --sh-1:0 8px 28px rgba(20,18,39,.08);
  --sh-2:0 16px 44px rgba(20,18,39,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:#E0453B;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.container{max-width:1320px;}}
@media (max-width:768px){.container{padding:0 16px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background-position .4s ease,border-color .22s ease,background-color .22s ease;
}
.btn-primary{
  background-image:var(--grad-brand);background-size:160% 100%;background-position:0 0;
  color:#fff;box-shadow:0 8px 22px rgba(255,90,43,.22);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,90,43,.28);background-position:100% 0;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,90,43,.2);}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand);}
.btn-ghost:hover{background:var(--soft-2);border-color:var(--brand);color:var(--brand);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);border-bottom:1px solid rgba(255,90,43,.35);padding-bottom:2px;}
.text-link svg{transition:transform .22s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,245,0);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{background:rgba(251,248,245,.86);backdrop-filter:blur(8px);border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(20,18,39,.05);}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
  height:74px;
}
.nav{display:flex;align-items:center;gap:6px;}
.nav-left{justify-self:start;}
.nav-right{justify-self:end;}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:8px 12px;border-radius:10px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(255,243,236,.9);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background-image:var(--grad-brand);
}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:-0.01em;}
.brand:hover{color:var(--brand);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background-image:var(--grad-brand);color:#fff;
  box-shadow:0 6px 16px rgba(255,90,43,.24);
}
.brand-text{white-space:nowrap;}
.nav-mini{
  display:none;align-items:center;justify-content:center;
  padding:9px 14px;border-radius:var(--r-pill);
  background-image:var(--grad-brand);color:#fff;
  font-size:13px;font-weight:600;line-height:1;
  box-shadow:0 6px 16px rgba(255,90,43,.22);
}
.nav-mini:hover{color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span::before{position:absolute;top:-6px;}
.nav-toggle span::after{position:absolute;top:6px;}
.site-header.nav-open .nav-toggle span{background:transparent;}
.site-header.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
.site-header.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;
  margin-top:-74px;
  padding:150px 0 56px;
  background:
    linear-gradient(100deg,rgba(20,18,39,.9) 0%,rgba(255,45,120,.72) 58%,rgba(108,59,255,.6) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:40px;bottom:26px;width:96px;height:96px;
  background-image:radial-gradient(circle,rgba(255,255,255,.28) 2px,transparent 2.4px);
  background-size:32px 32px;opacity:.5;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:end;}
.hero-title{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.2;color:#fff;}
.hero-title .hl{background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.hb{
  min-width:112px;padding:14px 18px;border-radius:18px;
  background:rgba(20,18,39,.42);border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(4px);
}
.hb-num{display:block;font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2;}
.hb-label{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:#fff;}
.breadcrumb{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9C3BC;}
.breadcrumb .current{color:var(--ink-2);}

/* ---------- 主体布局 ---------- */
.page-main{padding:56px 0 0;}
.content-grid{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start;}
.anchor-nav{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:24px;}
.anchor-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:12px;}
.anchor-list li+li{margin-top:4px;}
.anchor-list a{
  display:block;padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--ink-2);border-left:3px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-list a:hover{background:var(--soft-2);color:var(--brand);border-left-color:rgba(255,90,43,.5);}
.anchor-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.8;color:var(--ink-3);}

/* ---------- 板块 ---------- */
.section{margin-bottom:72px;scroll-margin-top:100px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--ink);}
.section-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:24px;border-radius:2px;background-image:var(--grad-brand);
}
.section-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:760px;}
.lead{font-size:16px;line-height:1.85;color:var(--ink-2);max-width:820px;}

/* ---------- 更新提示条 ---------- */
.update-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:14px 18px;margin-bottom:28px;
  background:var(--soft-2);border:1px solid rgba(255,90,43,.22);border-radius:var(--r-sm);
  font-size:14px;color:var(--ink-2);
}
.update-bar strong{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:48px;}
.timeline::before{content:"";position:absolute;left:18px;top:12px;bottom:12px;width:1px;background:linear-gradient(180deg,rgba(255,90,43,.45),rgba(108,59,255,.35),rgba(236,231,225,.9));}
.tl-item{position:relative;margin-bottom:24px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-40px;top:26px;
  width:20px;height:20px;border-radius:50%;
  background-image:var(--grad-brand);
  box-shadow:0 0 0 5px rgba(255,90,43,.12);
}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,43,.35);}
.tl-card{display:flex;gap:20px;align-items:flex-start;padding:24px;}
.tl-body{flex:1 1 auto;min-width:0;}
.tl-title{margin-top:12px;font-size:20px;font-weight:600;color:var(--ink);}
.tl-desc{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.tl-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;}
.tl-thumb{
  flex:0 0 auto;width:128px;height:86px;border-radius:var(--r-xs);
  object-fit:cover;background:var(--soft);
}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;}
.badge-step{background:rgba(255,90,43,.1);color:var(--brand);border:1px solid rgba(255,90,43,.24);}
.badge-time{background:var(--soft);color:var(--ink-2);font-variant-numeric:tabular-nums;}
.badge-soft{background:rgba(108,59,255,.1);color:var(--brand-2);border:1px solid rgba(108,59,255,.2);}
.tl-tag{font-size:13px;color:var(--ink-3);}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--sh-1);}
table.data-table{width:100%;border-collapse:collapse;min-width:720px;}
.data-table thead th{
  background:var(--ink-bg);color:#fff;font-size:13px;font-weight:600;text-align:left;
  padding:14px 18px;white-space:nowrap;
}
.data-table tbody td{padding:16px 18px;font-size:14px;color:var(--ink-2);border-top:1px solid var(--line);vertical-align:top;}
.data-table tbody tr:hover td{background:#FFF9F5;}
.data-table tbody td:first-child{color:var(--ink);font-weight:600;}

/* ---------- 排查清单 ---------- */
.check-list{display:grid;gap:14px;}
.check-item{display:flex;gap:14px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
.check-item:hover{border-color:rgba(255,90,43,.35);transform:translateY(-2px);box-shadow:var(--sh-1);}
.check-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background-image:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.check-body h3{font-size:17px;font-weight:600;color:var(--ink);}
.check-body p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 4px;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  transition:transform .25s ease,background-color .2s ease,border-color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--soft-2);border-color:rgba(255,90,43,.35);}
.faq-a{padding:0 4px 22px;max-width:700px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  padding:48px;background-image:var(--grad-brand);color:#fff;
  box-shadow:0 20px 50px rgba(255,45,120,.22);
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,18,39,.74),rgba(20,18,39,.3));}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;}
.cta-text{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:620px;}
.cta-band .btn-primary{background-image:none;background-color:#fff;color:var(--brand);box-shadow:0 10px 26px rgba(0,0,0,.24);}
.cta-band .btn-primary:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,0,0,.3);}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-bg);color:rgba(255,255,255,.72);margin-top:96px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background-image:var(--grad-brand);}
.container.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:64px 32px 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:9px;box-shadow:none;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:360px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col li+li{margin-top:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.container.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 32px 32px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom .links a{color:rgba(255,255,255,.6);margin-left:20px;}
.footer-bottom .links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .content-grid{grid-template-columns:260px 1fr;gap:32px;}
}
@media (max-width:1024px){
  .content-grid{grid-template-columns:1fr;gap:32px;}
  .anchor-nav{position:static;padding:16px;}
  .anchor-list{display:flex;flex-wrap:wrap;gap:8px;}
  .anchor-list li+li{margin-top:0;}
  .anchor-list a{border-left:0;border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 14px;font-size:13px;}
  .anchor-list a:hover{border-color:rgba(255,90,43,.5);}
  .anchor-note{display:none;}
  .hero-inner{grid-template-columns:1fr;align-items:start;gap:28px;}
  .hero-badges{justify-content:flex-start;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .header-inner{
    grid-template-columns:auto 1fr auto;
    grid-template-areas:"toggle brand mini";
    height:62px;gap:12px;padding:0 16px;
  }
  .nav-toggle{display:flex;grid-area:toggle;}
  .brand{grid-area:brand;font-size:15px;justify-self:center;}
  .brand-mark{width:28px;height:28px;border-radius:9px;}
  .nav-mini{display:inline-flex;grid-area:mini;}
  .site-header .nav{display:none;}
  .site-header.nav-open{background:rgba(251,248,245,.98);backdrop-filter:blur(8px);border-bottom-color:var(--line);box-shadow:var(--sh-1);}
  .site-header.nav-open .header-inner{
    grid-template-areas:"toggle brand mini" "left left left" "right right right";
    height:auto;padding-bottom:12px;
  }
  .site-header.nav-open .nav-left{display:flex;grid-area:left;}
  .site-header.nav-open .nav-right{display:flex;grid-area:right;}
  .site-header.nav-open .nav{flex-direction:column;align-items:stretch;gap:0;border-top:1px solid var(--line);padding-top:6px;}
  .site-header.nav-open .nav-right{border-top:0;padding-top:0;}
  .site-header.nav-open .nav-link{font-size:17px;line-height:56px;padding:0 4px;border-radius:0;border-bottom:1px solid var(--line);}
  .site-header.nav-open .nav-link.active::after{left:4px;right:auto;width:28px;bottom:8px;}
  .page-hero{
    margin-top:-62px;padding:120px 0 44px;
    background-image:var(--grad-brand);
    background-color:#FF5A2B;
  }
  .page-hero::after{display:none;}
  .hero-sub{font-size:15px;}
  .hb{min-width:96px;padding:12px 14px;}
  .tl-card{flex-direction:column;padding:16px;}
  .tl-thumb{width:100%;height:auto;aspect-ratio:16/9;}
  .timeline{padding-left:32px;}
  .timeline::before{left:8px;}
  .tl-item::before{left:-32px;width:16px;height:16px;top:24px;}
  .cta-band{padding:32px 24px;}
  .section{margin-bottom:56px;}
  .site-footer{margin-top:56px;}
  .container.footer-top{grid-template-columns:1fr 1fr;padding:40px 16px 28px;gap:24px;}
  .container.footer-bottom{padding:18px 16px 26px;}
  .footer-bottom .links a{margin-left:0;margin-right:16px;}
}
@media (max-width:480px){
  .brand-text{font-size:14px;}
  .nav-mini{padding:8px 11px;font-size:12px;}
  .container.footer-top{grid-template-columns:1fr;}
  .check-item{flex-direction:row;}
  .tl-meta{gap:8px;}
}

/* roulang page: article */
:root{
  --brand:#FF5A2B;
  --brand-deep:#E8451A;
  --brand-2:#6C3BFF;
  --accent:#FFE14D;
  --grad-brand:linear-gradient(120deg,#FF5A2B 0%,#FF2D78 50%,#6C3BFF 100%);
  --bg:#FBF8F5;
  --card:#FFFFFF;
  --soft:#EFEAE4;
  --soft-brand:#FFF3EC;
  --ink-bg:#141227;
  --text:#1A1826;
  --text-2:#5B5870;
  --text-3:#8C8798;
  --border:#ECE7E1;
  --border-hover:rgba(255,90,43,.35);
  --ok:#16C79A;
  --warn:#FFAA2B;
  --err:#E0453B;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --r-pill:999px;
  --sh-1:0 8px 28px rgba(20,18,39,.08);
  --sh-2:0 16px 44px rgba(20,18,39,.14);
  --sh-brand:0 12px 28px rgba(255,90,43,.28);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0}
:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1320px}}
.section{padding:96px 0}
.section-soft{background:var(--soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{
  position:relative;
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:26px;border-radius:2px;background:var(--grad-brand);
}
.section-head p{font-size:15px;color:var(--text-2);margin-top:8px}
.section-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.section-more svg{transition:transform .2s ease}
.section-more:hover svg{transform:translateX(4px)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(255,90,43,.22)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-brand)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,90,43,.2)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--brand)}
.btn-ghost:hover{border-color:var(--border-hover);background:var(--soft-brand);color:var(--brand-deep)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-cat{background:var(--soft-brand);color:var(--brand);border:1px solid rgba(255,90,43,.28)}
.badge-time{background:var(--soft);color:var(--text-2)}
.badge-data{background:var(--accent);color:#2B2404}
.badge-dark{background:var(--ink-bg);color:#fff}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,245,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:0 6px 24px rgba(20,18,39,.06)}
.header-inner{display:flex;align-items:center;gap:16px;min-height:68px}
.nav{display:flex;align-items:center;gap:26px}
.nav-left{flex:1;justify-content:flex-start}
.nav-right{flex:1;justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 2px;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:center;transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(255,90,43,.28);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em}
.nav-mini{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 6px 16px rgba(255,90,43,.22);transition:transform .2s ease,box-shadow .2s ease;
}
.nav-mini:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-brand)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--border);
  background:#fff;cursor:pointer;position:relative;flex:0 0 auto;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--text);
  transform:translateX(-50%);transition:.24s ease;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px;left:0;transform:none}
.nav-toggle span::after{top:6px;left:0;transform:none}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* 移动端面板 */
.mobile-mask{
  position:fixed;inset:0;background:rgba(20,18,39,.45);z-index:65;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mobile-mask.is-open{opacity:1;visibility:visible}
.mobile-panel{
  position:fixed;top:68px;left:0;right:0;z-index:70;background:#fff;
  padding:16px 20px 24px;border-bottom:1px solid var(--border);
  box-shadow:0 18px 40px rgba(20,18,39,.14);
  transform:translateY(-14px);opacity:0;visibility:hidden;
  transition:transform .28s ease,opacity .28s ease,visibility .28s ease;
}
.mobile-panel.is-open{transform:translateY(0);opacity:1;visibility:visible}
.mobile-panel nav{display:flex;flex-direction:column}
.m-link{
  font-size:17px;line-height:56px;color:var(--text);border-bottom:1px solid var(--border);
}
.m-link:hover{color:var(--brand)}
.mobile-panel .btn{margin-top:18px}
body.no-scroll{overflow:hidden}

/* 文章页头 */
.page-hero{position:relative;overflow:hidden;background:var(--ink-bg)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(20,18,39,.92) 0%,rgba(20,18,39,.74) 46%,rgba(108,59,255,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:40px;padding-bottom:56px;color:#fff}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .crumb-current{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{margin-top:26px;max-width:860px}
.article-head .badge-cat{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.34)}
.article-head h1{
  margin-top:16px;font-size:38px;line-height:1.28;font-weight:800;letter-spacing:-.01em;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:18px;
  font-size:13px;color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.5);display:inline-block}

/* 正文 */
.article-section{padding:64px 0 80px}
.article-panel{max-width:820px;margin:0 auto}
.article-body{font-size:17px;line-height:1.9;color:#26233A}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.01em;
  margin:46px 0 18px;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:24px;border-radius:2px;background:var(--grad-brand);
}
.article-body h3{
  position:relative;font-size:20px;font-weight:600;margin:34px 0 14px;padding-left:20px;
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.52em;width:8px;height:8px;border-radius:2px;background:var(--accent);
}
.article-body h4{font-size:17px;font-weight:600;margin:26px 0 10px;color:var(--text)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-deep);text-decoration-thickness:2px}
.article-body strong{font-weight:600;color:#15131F}
.article-body ul,.article-body ol{list-style:none;margin:0 0 22px;padding:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--grad-brand);
}
.article-body ol{counter-reset:item}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  background:var(--soft-brand);color:var(--brand);font-size:12px;font-weight:700;line-height:1;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:var(--soft-brand);
  border-left:3px solid var(--brand);border-radius:0 var(--r-xs) var(--r-xs) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:26px 0;border-radius:var(--r-xs);
}
.article-body th{
  background:var(--ink-bg);color:#fff;font-weight:600;text-align:left;
  padding:12px 16px;white-space:nowrap;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-2)}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  background:var(--soft);border-radius:6px;padding:2px 6px;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body hr{border:0;border-top:1px solid var(--border);margin:40px 0}
.article-body .breath{height:56px}

/* 正文内嵌入口卡 */
.inline-cta{
  position:relative;margin:40px 0 0;padding:26px 26px 26px 30px;
  background:#fff;border:1px solid rgba(255,90,43,.35);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
}
.inline-cta::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand)}
.inline-cta h3{font-size:19px;font-weight:700;margin-bottom:8px}
.inline-cta p{font-size:15px;color:var(--text-2);margin-bottom:18px}
.inline-cta .actions{display:flex;flex-wrap:wrap;gap:12px}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
}
.empty-state svg{margin:0 auto 20px;color:var(--text-3)}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:24px}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--border-hover)}
.card-media{position:relative;aspect-ratio:16/9;background:var(--soft);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .tag{
  position:absolute;left:12px;top:12px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;background:var(--accent);color:#2B2404;font-size:12px;font-weight:700;
}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45;transition:color .2s ease}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14px;line-height:1.7;color:var(--text-2)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}

/* 返回行 */
.back-row{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-top:48px;padding-top:28px;border-top:1px solid var(--border);
}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600}
.back-link svg{transition:transform .2s ease}
.back-link:hover svg{transform:translateX(-4px)}
.nav-pair{display:flex;gap:12px;flex-wrap:wrap}
.nav-pair a{
  font-size:14px;color:var(--text-2);background:#fff;border:1px solid var(--border);
  border-radius:var(--r-pill);padding:10px 18px;transition:.2s ease;
}
.nav-pair a:hover{color:var(--brand);border-color:var(--border-hover);background:var(--soft-brand)}

/* CTA 通栏 */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--grad-brand);box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,39,.28) 0%,rgba(20,18,39,.52) 100%);
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.86)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.22)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}

/* 页脚 */
.site-footer{background:var(--ink-bg);color:rgba(255,255,255,.72);margin-top:0;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-brand)}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-top:64px;padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:28px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a{color:rgba(255,255,255,.55);font-size:13px}
.footer-bottom .links a:hover{color:#fff}

/* 响应式 */
@media (max-width:1280px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-head h2{font-size:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav{gap:18px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:block}
  .header-inner{justify-content:space-between;min-height:60px}
  .brand-text{font-size:15px}
  .nav-mini{height:34px;padding:0 14px;font-size:13px}
  .mobile-panel{top:60px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .section-head h2{font-size:24px}
  .page-hero::after{background:linear-gradient(150deg,rgba(20,18,39,.94) 0%,rgba(108,59,255,.62) 100%)}
  .hero-inner{padding-top:28px;padding-bottom:40px}
  .article-head h1{font-size:26px}
  .article-section{padding:44px 0 60px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .card-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 24px;border-radius:22px}
  .cta-band h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .inline-cta{padding:22px 20px 22px 24px}
  .back-row{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .header-inner{gap:10px}
  .brand-text{font-size:14px}
  .nav-mini{display:none}
  .footer-top{grid-template-columns:1fr;gap:24px;padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-head h1{font-size:23px}
  .breadcrumb .crumb-current{max-width:160px}
  .btn{padding:13px 22px;font-size:14px}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A2B;
  --brand-2:#6C3BFF;
  --accent:#FFE14D;
  --grad-brand:linear-gradient(120deg,#FF5A2B 0%,#FF2D78 52%,#6C3BFF 100%);
  --bg:#FBF8F5;
  --card:#FFFFFF;
  --soft:#EFEAE4;
  --soft-brand:#FFF3EC;
  --ink:#1A1826;
  --ink-2:#5B5870;
  --ink-3:#8C8798;
  --ink-bg:#141227;
  --border:#ECE7E1;
  --ok:#16C79A;
  --warn:#FFAA2B;
  --err:#E0453B;
  --r-pill:999px;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 28px rgba(20,18,39,.08);
  --sh-2:0 16px 44px rgba(20,18,39,.14);
  --sh-btn:0 10px 24px rgba(255,90,43,.24);
  --c-max:1200px;
  --pad-x:32px;
  --gap:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--c-max);margin:0 auto;padding:0 var(--pad-x)}
.section{padding:96px 0}
.section-alt{background:#fff}
.section-soft{background:var(--soft-brand)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
h2.section-title{font-size:32px;line-height:1.3;display:flex;align-items:center;gap:16px}
h2.section-title::before{content:"";flex:0 0 4px;width:4px;height:24px;border-radius:2px;background:var(--grad-brand)}
.section-head.center h2.section-title{justify-content:center}
.section-sub{margin-top:14px;font-size:15px;color:var(--ink-2);line-height:1.8}
.lead{font-size:16px;color:var(--ink-2)}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:14px 28px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .3s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background-image:var(--grad-brand);background-size:170% 100%;background-position:0 0;color:#fff;box-shadow:var(--sh-btn)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,90,43,.28);background-position:100% 0}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,90,43,.2)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:var(--soft-brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.42);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}
.link-arrow{color:var(--brand);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;position:relative}
.link-arrow::after{content:"→";transition:transform .22s ease}
.link-arrow:hover::after{transform:translateX(4px)}
.link-arrow:hover{color:#E0451C}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1}
.badge-cat{background:var(--soft-brand);color:var(--brand);border:1px solid rgba(255,90,43,.24)}
.badge-time{background:var(--soft);color:var(--ink-2)}
.badge-live{background:var(--accent);color:#2A2410}
.badge-change{background:#FFF1F0;color:#E0453B;border:1px solid rgba(224,69,59,.24)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,248,245,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:0 6px 24px rgba(20,18,39,.06)}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{position:absolute;left:50%;transform:translateX(-50%);display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:10px;background-image:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(255,90,43,.28)}
.brand-text{line-height:1}
.nav{display:flex;align-items:center;gap:22px}
.nav-link{position:relative;font-size:14px;color:var(--ink-2);padding:6px 0;transition:color .2s ease}
.nav-link:hover{color:var(--brand)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background-image:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-mini{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);font-size:13px;font-weight:600;color:#fff;background-image:var(--grad-brand);background-size:170% 100%;box-shadow:0 8px 20px rgba(255,90,43,.22);transition:transform .22s ease,background-position .3s ease}
.nav-mini:hover{transform:translateY(-2px);background-position:100% 0}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,top .25s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-panel{position:fixed;top:72px;left:0;right:0;z-index:79;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:0 24px 44px rgba(20,18,39,.14);max-height:0;overflow:hidden;transition:max-height .32s ease}
.mobile-panel.is-open{max-height:80vh;overflow-y:auto}
.mobile-panel .panel-inner{padding:12px var(--pad-x) 28px}
.mobile-panel a{display:block;font-size:17px;line-height:56px;color:var(--ink);border-bottom:1px solid var(--border)}
.mobile-panel a.is-active{color:var(--brand);font-weight:600}
.mobile-panel .panel-cta{margin-top:20px;display:flex}
.mobile-panel .panel-cta .btn{width:100%}
.nav-overlay{position:fixed;inset:0;background:rgba(20,18,39,.45);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:78}
.nav-overlay.is-open{opacity:1;pointer-events:auto}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#141227;color:#fff;padding:92px 0 72px}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(105deg,rgba(20,18,39,.92) 0%,rgba(20,18,39,.68) 46%,rgba(108,59,255,.44) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,225,77,.16);border:1px solid rgba(255,225,77,.45);color:var(--accent);font-size:12px;font-weight:600;margin-bottom:20px}
h1.hero-title{font-size:48px;line-height:1.2;font-weight:800}
h1.hero-title em{font-style:normal;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:560px}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.hero-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:20px 18px;backdrop-filter:blur(4px)}
.hero-stat .num{display:block;font-size:28px;font-weight:800;line-height:1.2;color:var(--accent);font-variant-numeric:tabular-nums}
.hero-stat .label{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.6}
.dot-grid{
  position:absolute;right:5%;bottom:34px;width:66px;height:66px;z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.35) 2px,transparent 2px);
  background-size:22px 22px;opacity:.35;
}
.crumb-bar{background:#fff;border-bottom:1px solid var(--border)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:14px 0}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C9C3BC}
.breadcrumb .current{color:var(--ink)}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap)}
.bento-card{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,43,.35)}
.bento-lg{grid-column:span 6;grid-row:span 2;padding:0;overflow:hidden;display:flex;flex-direction:column}
.bento-lg .media{position:relative;min-height:250px;flex:1 1 auto;background:var(--soft)}
.bento-lg .media img{width:100%;height:100%;min-height:250px;object-fit:cover}
.bento-lg .media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,39,.15) 0%,rgba(20,18,39,.72) 100%)}
.bento-lg .tag{position:absolute;top:18px;left:18px;z-index:2}
.bento-lg .caption{position:absolute;left:24px;right:24px;bottom:20px;z-index:2;color:#fff}
.bento-lg .caption h3{font-size:22px;line-height:1.4;color:#fff}
.bento-lg .body{padding:22px 24px 26px;border-top:1px solid var(--border)}
.bento-lg .body p{font-size:14px;color:var(--ink-2);line-height:1.75}
.bento-sm{grid-column:span 3;display:flex;flex-direction:column;justify-content:space-between;gap:12px;min-height:178px}
.bento-sm .stat-num{font-size:28px;font-weight:800;line-height:1.15;color:var(--brand);font-variant-numeric:tabular-nums}
.bento-sm h3{font-size:16px;line-height:1.5}
.bento-sm p{font-size:13px;color:var(--ink-2);line-height:1.7}
.bento-wide{grid-column:span 12;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:26px 28px}
.bento-wide .wide-text{display:flex;align-items:center;gap:20px;min-width:0}
.bento-wide .thumb{flex:0 0 96px;width:96px;height:72px;border-radius:var(--r-sm);overflow:hidden;background:var(--soft)}
.bento-wide .thumb img{width:100%;height:100%;object-fit:cover}
.bento-wide h3{font-size:19px;margin-bottom:6px}
.bento-wide p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- 双栏 + 订阅 ---------- */
.split{display:grid;grid-template-columns:1.85fr 1fr;gap:48px;align-items:start}
.prose-block h2{font-size:28px;line-height:1.35;display:flex;align-items:center;gap:14px;margin-bottom:18px}
.prose-block h2::before{content:"";flex:0 0 4px;width:4px;height:22px;border-radius:2px;background:var(--grad-brand)}
.prose-block h3{font-size:20px;line-height:1.45;margin-bottom:12px}
.prose-block p{color:var(--ink-2);margin-bottom:16px}
.prose-block p:last-child{margin-bottom:0}
.prose-block + .prose-block{margin-top:44px;padding-top:40px;border-top:1px solid var(--border)}
.plain-list{margin-top:18px;display:grid;gap:14px}
.plain-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);line-height:1.8}
.plain-list li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:3px;background-image:var(--grad-brand)}
.note{background:var(--soft-brand);border-left:3px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;padding:18px 20px;font-size:14px;color:var(--ink-2);line-height:1.8;margin-top:20px}

.sub-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--sh-1);padding:28px;position:sticky;top:96px}
.sub-card h3{font-size:20px;margin-bottom:10px}
.sub-card .sub-desc{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;font-weight:600}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--border);background:#fff;
  padding:0 14px;font-size:14px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,43,.18)}
.field input.is-error{border-color:var(--err);box-shadow:0 0 0 4px rgba(224,69,59,.14)}
.field .err-text{display:none;margin-top:8px;font-size:13px;color:var(--err)}
.field.has-error .err-text{display:block}
.form-note{margin-top:14px;font-size:12px;color:var(--ink-3);line-height:1.7}
.form-msg{display:none;margin-top:16px;border-radius:var(--r-sm);padding:12px 14px;font-size:13px;line-height:1.7}
.form-msg.is-success{display:block;background:rgba(22,199,154,.12);color:#0E8C6C;border:1px solid rgba(22,199,154,.3)}
.form-msg.is-error{display:block;background:rgba(224,69,59,.1);color:var(--err);border:1px solid rgba(224,69,59,.28)}
.sub-facts{margin-top:22px;padding-top:20px;border-top:1px solid var(--border);display:grid;gap:10px}
.sub-facts li{font-size:13px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;line-height:1.7}
.sub-facts li span{color:var(--brand);font-weight:700}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:44px}
.step{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background-image:var(--grad-brand);color:#fff;font-size:15px;font-weight:800;margin-bottom:14px;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}
.step::after{content:"";position:absolute;top:44px;right:-24px;width:16px;border-top:1px dashed #D8D1C9}
.step:last-child::after{display:none}

/* ---------- 方式列表 ---------- */
.method-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--sh-1);overflow:hidden}
.method-row{display:grid;grid-template-columns:.9fr 1.6fr auto;gap:24px;align-items:center;padding:24px 28px;border-bottom:1px solid var(--border);transition:background .22s ease}
.method-row:last-child{border-bottom:none}
.method-row:hover{background:var(--soft-brand)}
.method-row .name{font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px}
.method-row .desc{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--sh-1);overflow:hidden}
.faq details{border-bottom:1px solid var(--border)}
.faq details:last-child{border-bottom:none}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 28px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease,background .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand);background:#FFFAF6}
.faq summary .ico{position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--soft-brand);transition:transform .28s ease}
.faq summary .ico::before,.faq summary .ico::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%)}
.faq summary .ico::before{width:10px;height:2px}
.faq summary .ico::after{width:2px;height:10px}
.faq details[open] summary .ico{transform:rotate(180deg)}
.faq details[open] summary .ico::after{opacity:0}
.faq .answer{padding:0 28px 24px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  background-image:linear-gradient(120deg,rgba(20,18,39,.78),rgba(20,18,39,.42)),var(--grad-brand);
  color:#fff;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:0 24px 60px rgba(108,59,255,.24);
}
.cta-band h2{font-size:30px;line-height:1.35;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.82);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-wrap{padding-bottom:96px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-bg);color:#fff;position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background-image:var(--grad-brand)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:72px 32px 48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:360px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 32px 32px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--accent)}
.footer-top,.footer-bottom{max-width:var(--c-max);margin:0 auto}

@media (min-width:1440px){:root{--c-max:1320px}}

@media (max-width:1280px){
  .split{grid-template-columns:1.6fr 1fr;gap:36px}
  .sub-card{position:static}
}
@media (max-width:1024px){
  :root{--pad-x:24px}
  .section{padding:72px 0}
  .nav-mini{display:none}
  .nav{gap:18px}
  .nav-link{font-size:13.5px}
  h1.hero-title{font-size:38px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .bento{grid-template-columns:repeat(6,1fr)}
  .bento-lg{grid-column:span 6;grid-row:auto}
  .bento-sm{grid-column:span 3}
  .bento-wide{grid-column:span 6}
  .split{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr;gap:20px}
  .step::after{display:none}
  .method-row{grid-template-columns:1fr;gap:10px;padding:22px}
  .footer-top{grid-template-columns:1fr 1fr;padding:56px 24px 40px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:768px){
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px;gap:12px}
  .brand{position:static;transform:none;font-size:15px;flex:1;justify-content:center}
  .brand-mark{width:26px;height:26px;border-radius:9px}
  .nav-mini{display:inline-flex;height:34px;padding:0 14px;font-size:12px}
  .mobile-panel{top:64px}
  .page-hero{padding:64px 0 48px;background:#141227}
  .page-hero::before{background-image:linear-gradient(120deg,rgba(20,18,39,.94),rgba(108,59,255,.5)),var(--grad-brand);background-size:auto}
  .dot-grid{display:none}
  h1.hero-title{font-size:31px}
  .hero-sub{font-size:15px}
  h2.section-title{font-size:25px}
  .section{padding:56px 0}
  .bento{grid-template-columns:1fr}
  .bento-lg,.bento-sm,.bento-wide{grid-column:span 1}
  .bento-wide{flex-direction:column;align-items:flex-start;gap:18px}
  .bento-wide .wide-text{flex-direction:column;align-items:flex-start;gap:14px}
  .bento-sm{min-height:0}
  .hero-stats{grid-template-columns:1fr 1fr}
  .faq summary{padding:16px 20px;font-size:15px}
  .faq .answer{padding:0 20px 20px}
  .cta-band{border-radius:22px;padding:32px 22px}
  .cta-band h2{font-size:23px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:48px 20px 32px}
  .footer-bottom{padding:20px 20px 28px;font-size:12.5px}
  .crumb-bar .breadcrumb{font-size:12.5px}
}
@media (max-width:520px){
  :root{--pad-x:16px}
  .btn{padding:13px 22px;font-size:14px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .brand{font-size:14px}
  h1.hero-title{font-size:27px}
  .bento-lg .media img{min-height:200px}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A2B;
  --brand-2:#6C3BFF;
  --accent:#FFE14D;
  --grad-brand:linear-gradient(120deg,#FF5A2B 0%,#FF2D78 48%,#6C3BFF 100%);
  --bg:#FBF8F5;
  --card:#FFFFFF;
  --soft:#EFEAE4;
  --soft-warm:#FFF3EC;
  --ink-bg:#141227;
  --text:#1A1826;
  --text-2:#5B5870;
  --text-3:#8C8798;
  --border:#ECE7E1;
  --border-hover:rgba(255,90,43,.35);
  --success:#16C79A;
  --warning:#FFAA2B;
  --danger:#E0453B;
  --r-btn:999px;
  --r-lg:24px;
  --r-md:20px;
  --r-img:16px;
  --r-input:12px;
  --r-panel:14px;
  --sh-card:0 8px 28px rgba(20,18,39,.08);
  --sh-hover:0 16px 44px rgba(20,18,39,.14);
  --sh-dark:0 12px 36px rgba(0,0,0,.35);
  --container:1200px;
  --sp:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:#E8451B;}
img{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px;border-radius:8px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1440px){
  :root{--container:1320px;}
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  background:rgba(251,248,245,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom-color:var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:76px;
  position:relative;
}
.brand{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--brand);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,90,43,.28);
  flex:0 0 auto;
}
.brand-text{letter-spacing:-.01em;}
.nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-btn);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .26s ease;
}
.nav-link:hover{color:var(--brand);background:var(--soft-warm);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-mini{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 22px;
  border-radius:var(--r-btn);
  background:var(--grad-brand);
  color:#fff;
  font-size:14px;
  font-weight:600;
  box-shadow:0 8px 20px rgba(255,90,43,.24);
  transition:transform .22s ease,box-shadow .22s ease;
}
.nav-mini:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,90,43,.28);}
.nav-mini:active{transform:translateY(1px);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .24s ease,opacity .24s ease;
}
.nav-toggle span::before{transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(4px);}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(0) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-2px) rotate(-45deg);}

.mobile-panel{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  flex-direction:column;
  padding:88px 24px 28px;
  background:#fff;
  box-shadow:0 24px 48px rgba(20,18,39,.18);
  border-bottom:1px solid var(--border);
}
.mobile-panel.is-open{display:flex;}
.panel-link{
  font-size:17px;
  line-height:56px;
  color:var(--text);
  border-bottom:1px solid var(--border);
  font-weight:500;
}
.panel-link.is-active{color:var(--brand);font-weight:700;}
.panel-cta{margin-top:24px;width:100%;justify-content:center;display:flex;}
.nav-mask{
  position:fixed;
  inset:0;
  z-index:85;
  background:rgba(20,18,39,.45);
}
body.no-scroll{overflow:hidden;}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{
  background-image:var(--grad-brand);
  background-size:150% 100%;
  background-position:0 50%;
  color:#fff;
  box-shadow:0 8px 20px rgba(255,90,43,.22);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  background-position:100% 50%;
  box-shadow:0 12px 28px rgba(255,90,43,.28);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,90,43,.2);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border:1px solid var(--border);
}
.btn-ghost:hover{
  color:var(--brand);
  background:var(--soft-warm);
  border-color:var(--border-hover);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  border-bottom:1px solid rgba(255,90,43,.3);
  padding-bottom:2px;
  transition:border-color .22s ease,gap .22s ease;
}
.text-link svg{transition:transform .22s ease;}
.text-link:hover{border-color:var(--brand);gap:10px;}
.text-link:hover svg{transform:translateX(4px);}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-btn);
  font-size:12px;
  font-weight:600;
  background:var(--soft-warm);
  color:var(--brand);
}
.tag-time{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-btn);
  font-size:12px;
  font-weight:500;
  background:var(--soft);
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  min-height:366px;
  display:flex;
  align-items:center;
  padding:56px 0 64px;
  color:#fff;
  background-image:
    linear-gradient(115deg,rgba(20,18,39,.62) 0%,rgba(255,45,120,.78) 52%,rgba(108,59,255,.82) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:44px;
  bottom:32px;
  width:72px;
  height:72px;
  background-image:radial-gradient(rgba(255,255,255,.5) 1.6px,transparent 1.6px);
  background-size:24px 24px;
  opacity:.5;
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  font-size:13px;
  font-weight:600;
  color:#fff;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,3.6vw,50px);
  line-height:1.2;
  font-weight:800;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:-.01em;
}
.hero-sub{
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-actions .btn-ghost{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.42);
  color:#fff;
}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.hero-badges{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:24px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
}
.badge-stat{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 18px;
  border-radius:var(--r-btn);
  background:var(--accent);
  color:var(--ink-bg);
  font-size:13px;
  font-weight:600;
}
.badge-stat strong{
  font-size:20px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.badge-stat.is-dark{
  background:rgba(20,18,39,.55);
  color:#fff;
  border:1px solid rgba(255,255,255,.2);
}
.badge-stat.is-dark strong{color:var(--accent);}

/* ============ 面包屑 ============ */
.breadcrumb{
  background:#fff;
  border-bottom:1px solid var(--border);
}
.breadcrumb-inner{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  height:52px;
  font-size:13px;
  color:var(--text-3);
}
.breadcrumb-inner a{color:var(--text-2);}
.breadcrumb-inner a:hover{color:var(--brand);}
.breadcrumb-inner .sep{color:var(--text-3);}
.breadcrumb-inner .current{color:var(--text);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section.is-soft{background:var(--soft-warm);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.34em;
  width:4px;
  height:24px;
  border-radius:2px;
  background:var(--grad-brand);
}
.section-desc{
  margin-top:10px;
  font-size:14px;
  color:var(--text-2);
  max-width:660px;
}

/* ============ 横向卡带 ============ */
.rail{
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  padding-bottom:6px;
}
.rail::-webkit-scrollbar{display:none;}
.rail-track{
  display:flex;
  gap:24px;
  padding-bottom:12px;
}
.rail-card{
  flex:0 0 336px;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;
  flex-direction:column;
}
.rail-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:var(--border-hover);
}
.rail-card:hover h3 a{color:var(--brand);}
.rail-media{
  position:relative;
  display:block;
  aspect-ratio:16/9;
  background:var(--soft);
  overflow:hidden;
}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rail-card:hover .rail-media img{transform:scale(1.04);}
.status{
  position:absolute;
  top:12px;
  left:12px;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-btn);
  font-size:12px;
  font-weight:700;
  background:var(--accent);
  color:var(--ink-bg);
}
.status.is-wait{background:rgba(20,18,39,.82);color:#fff;}
.rail-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.rail-body h3{font-size:18px;line-height:1.4;font-weight:600;}
.rail-body h3 a{color:var(--text);}
.rail-body p{font-size:14px;line-height:1.7;color:var(--text-2);}
.rail-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.rail-card--topic{
  flex:0 0 288px;
  padding:24px;
  gap:12px;
  background:#fff;
}
.topic-index{
  font-size:13px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.rail-card--topic h3{font-size:19px;font-weight:700;}
.rail-card--topic p{font-size:14px;line-height:1.7;color:var(--text-2);}
.rail-card--topic .rail-meta{margin-top:auto;}

/* ============ 图文交错 ============ */
.zigzag{display:flex;flex-direction:column;gap:56px;}
.zigzag-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:48px;
  align-items:center;
}
.zigzag-row:nth-child(even) .zigzag-media{order:2;}
.zigzag-media{
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--soft);
  box-shadow:var(--sh-card);
}
.zigzag-media img{width:100%;height:100%;object-fit:cover;}
.zigzag-text h3{
  font-size:clamp(20px,2.1vw,24px);
  line-height:1.4;
  font-weight:700;
  margin-bottom:14px;
}
.zigzag-text p{font-size:15px;line-height:1.85;color:var(--text-2);margin-bottom:16px;}
.check-list{display:flex;flex-direction:column;gap:10px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.52em;
  width:12px;
  height:12px;
  border-radius:4px;
  background:var(--grad-brand);
  opacity:.85;
}

/* ============ 深色订阅条 ============ */
.subscribe{
  background:var(--ink-bg);
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.subscribe::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:var(--grad-brand);
}
.subscribe::after{
  content:"";
  position:absolute;
  right:32px;
  bottom:24px;
  width:84px;
  height:84px;
  background-image:radial-gradient(rgba(255,90,43,.55) 1.6px,transparent 1.6px);
  background-size:28px 28px;
  opacity:.45;
  pointer-events:none;
}
.subscribe-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,460px);
  gap:48px;
  align-items:center;
  position:relative;
  z-index:2;
}
.subscribe h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.subscribe h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.34em;
  width:4px;
  height:24px;
  border-radius:2px;
  background:var(--grad-brand);
}
.subscribe p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:560px;}
.subscribe-form{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);
  padding:24px;
}
.subscribe-form label{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:8px;
}
.field-row{display:flex;gap:12px;}
.subscribe-form input{
  flex:1;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:14px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.45);}
.subscribe-form input:focus{
  outline:none;
  border-color:var(--brand);
  background:rgba(255,255,255,.14);
  box-shadow:0 0 0 4px rgba(255,90,43,.18);
}
.subscribe-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 4px rgba(224,69,59,.18);}
.form-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);margin-top:12px;}
.form-msg{
  display:none;
  margin-top:12px;
  padding:10px 14px;
  border-radius:var(--r-input);
  font-size:13px;
  line-height:1.7;
}
.form-msg.is-ok{display:block;background:rgba(22,199,154,.16);color:#8CF0D6;border:1px solid rgba(22,199,154,.4);}
.form-msg.is-bad{display:block;background:rgba(224,69,59,.16);color:#FFB3AE;border:1px solid rgba(224,69,59,.42);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-panel);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{border-color:var(--border-hover);box-shadow:var(--sh-card);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:12px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .28s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-item[open] .faq-icon::before{transform:translate(-50%,-50%) rotate(180deg);}
.faq-body{
  padding:0 24px 22px;
  max-width:700px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  border-top:1px solid var(--border);
  padding-top:16px;
  margin:0 24px 4px;
  padding-left:0;padding-right:0;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-bg);
  color:rgba(255,255,255,.72);
  font-size:14px;
  position:relative;
}
.site-footer::before{
  content:"";
  display:block;
  height:2px;
  background:var(--grad-brand);
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding:64px 32px 48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:380px;
}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 32px 28px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.6);font-size:13px;}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .rail-card{flex:0 0 312px;}
  .footer-top{padding:56px 32px 40px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .header-inner{height:70px;}
  .brand{font-size:17px;}
  .nav-link{padding:10px 10px;font-size:14px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .hero-badges{flex-direction:row;flex-wrap:wrap;padding:18px;}
  .badge-stat{flex:1 1 180px;}
  .subscribe-inner{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-top .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-mini{padding:9px 16px;font-size:13px;}
  .brand{position:static;transform:none;font-size:16px;gap:8px;}
  .brand-mark{width:30px;height:30px;border-radius:10px;}
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .header-inner{height:64px;gap:10px;justify-content:space-between;}
  .page-hero{
    min-height:auto;
    padding:40px 0 48px;
    background-image:linear-gradient(120deg,#FF5A2B 0%,#FF2D78 46%,#6C3BFF 100%);
  }
  .page-hero::after{display:none;}
  .hero-badges{flex-direction:column;gap:10px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px;}
  .rail-card{flex:0 0 76vw;}
  .rail-card--topic{flex:0 0 70vw;}
  .rail-track{gap:16px;}
  .zigzag{gap:40px;}
  .zigzag-row{grid-template-columns:minmax(0,1fr);gap:24px;}
  .zigzag-row:nth-child(even) .zigzag-media{order:0;}
  .field-row{flex-direction:column;}
  .subscribe-form{padding:20px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:24px;padding:48px 16px 32px;}
  .footer-top .footer-col:last-child{grid-column:auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:20px 16px 28px;}
  .faq-item summary{padding:12px 18px;font-size:15px;}
  .faq-body{margin:0 18px 4px;}
}
@media (max-width:480px){
  .brand-text{max-width:112px;font-size:15px;}
  .nav-mini{display:none;}
  .rail-card{flex:0 0 84vw;}
  .rail-card--topic{flex:0 0 80vw;}
  .footer-top{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;justify-content:center;}
}