/* roulang page: index */
:root{
  --brand:#6C3CF5;
  --brand-deep:#4A21C4;
  --accent:#B6F04A;
  --accent-2:#FF8A3D;
  --ink:#14121C;
  --ink-2:#4A4756;
  --ink-3:#8A8794;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DA;
  --line-dash:#D9D5C9;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px -12px rgba(20,18,28,.12);
  --shadow-2:0 2px 6px rgba(20,18,28,.08),0 24px 48px -24px rgba(20,18,28,.22);
  --shadow-brand:0 12px 28px -12px rgba(108,60,245,.42);
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:20px;--r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius: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}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
@media(max-width:1023px){.container{padding:0 24px}.section{padding:64px 0}.section-tight{padding:52px 0}}
@media(max-width:767px){.container{padding:0 20px}.section{padding:56px 0}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .16s var(--ease),background-color .16s var(--ease)}
.site-header.is-scrolled{background:rgba(255,255,255,.88);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:var(--shadow-1)}
.topbar{height:64px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:flex-start;gap:6px;flex:0 0 auto}
.logo-main{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.1}
.logo-sub{font-size:10px;color:var(--ink-3);letter-spacing:.08em;line-height:1;margin-top:14px;padding-bottom:2px}
.nav-hot{display:none;align-items:center;gap:20px}
.nav-hot a{font-size:13px;color:var(--ink-3)}
.nav-hot a:hover{color:var(--brand)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-md);font-size:15px;font-weight:700;letter-spacing:-.01em;transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-brand)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{filter:brightness(.94);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:#F2EEFF}
.btn-outline-white{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-outline-white:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{height:38px;padding:0 14px;font-size:14px;border-radius:10px}
.btn-icon{width:44px;height:44px;padding:0;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface)}
.btn-icon:hover{border-color:var(--brand);color:var(--brand)}
.subbar{display:none;height:44px;align-items:center;gap:26px;border-top:1px solid var(--line)}
.subbar a{font-size:14px;color:var(--ink-2);position:relative;padding:11px 0;line-height:1.4}
.subbar a:hover{color:var(--brand)}
.subbar a.active{font-weight:700;color:var(--ink)}
.subbar a.active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:var(--accent);border-radius:2px}
.subbar .subbar-all{margin-left:auto;font-size:13px;color:var(--ink-3)}
.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface)}
.burger:hover{border-color:var(--brand);color:var(--brand)}
@media(min-width:1024px){
  .nav-hot{display:flex}
  .subbar{display:flex}
  .burger{display:none}
}
.site-header.is-scrolled .subbar{height:0;overflow:hidden;border-top-color:transparent}
.search-strip{display:none;border-top:1px solid var(--line);padding:12px 0}
.search-strip.open{display:block}
.search-form{display:flex;gap:10px}
.search-form input{flex:1;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);font-size:15px;color:var(--ink);transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}
.search-form input::placeholder{color:var(--ink-3)}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,60,245,.15)}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:var(--surface);display:none;flex-direction:column;padding:18px 20px 28px;overflow-y:auto}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--line)}
.drawer-links{margin-top:8px}
.drawer-links a{display:flex;align-items:center;height:56px;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-links a.active{color:var(--brand)}
.drawer-search{margin-top:20px}
.drawer-search label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--bg);background-image:radial-gradient(circle at 1px 1px,rgba(20,18,28,.035) 1px,transparent 0);background-size:22px 22px;padding:72px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.hero h1{font-size:48px;line-height:1.16;letter-spacing:-.03em}
.hero h1 .hl{display:inline;background:linear-gradient(transparent 62%,rgba(182,240,74,.85) 62%,rgba(182,240,74,.85) 92%,transparent 92%);padding:0 2px}
.hero-sub{margin-top:20px;font-size:17px;color:var(--ink-2);max-width:34em}
.hero-actions{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{margin-top:30px;display:flex;gap:28px;flex-wrap:wrap;font-size:12px;color:var(--ink-3)}
.hero-stats b{display:block;font-size:20px;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.hero-card{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:#000}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.hero-card:hover img{transform:scale(1.03)}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(20,18,28,.86) 0%,rgba(20,18,28,.42) 34%,rgba(20,18,28,0) 62%);pointer-events:none}
.hero-badge{position:absolute;top:16px;left:16px;z-index:2;height:26px;display:inline-flex;align-items:center;padding:0 12px;border-radius:var(--r-pill);background:var(--accent);color:var(--ink);font-size:12px;font-weight:800}
.hero-card-title{position:absolute;left:20px;bottom:20px;right:76px;z-index:2;color:#fff;font-size:22px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
.hero-card-go{position:absolute;right:20px;bottom:20px;z-index:2;width:44px;height:44px;border-radius:var(--r-pill);background:#fff;color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:18px;transition:transform .16s var(--ease),background-color .16s var(--ease)}
.hero-card:hover .hero-card-go{transform:translateX(3px);background:var(--accent);color:var(--ink)}
@media(max-width:1023px){
  .hero{padding:52px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:36px}
}
@media(max-width:767px){.hero h1{font-size:30px}.hero-sub{font-size:15px}.hero-card-title{font-size:19px}}

/* ---------- 通用板块头 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-head h2{font-size:34px;display:flex;align-items:center;gap:14px}
.sec-head h2::before{content:"";width:6px;height:26px;border-radius:3px;background:var(--brand);display:inline-block}
.sec-head p{font-size:14px;color:var(--ink-3);margin-top:8px}
.sec-link{font-size:13px;color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.sec-link:hover{text-decoration-thickness:2px}
@media(max-width:767px){.sec-head h2{font-size:24px}.sec-head h2::before{height:20px;width:5px}}

/* ---------- 爆款网格 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;display:flex;flex-direction:column;gap:12px;transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D8D3C7}
.card-thumb{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--bg)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.03)}
.card h3{font-size:18px;font-weight:700;line-height:1.45;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12px;color:var(--ink-3)}
.card-meta .arrow{margin-left:auto;color:var(--brand);transition:transform .16s var(--ease)}
.card:hover .card-meta .arrow{transform:translateX(3px)}
.card-feature{grid-column:span 2;padding:0;overflow:hidden;position:relative;background:#000}
.card-feature img{width:100%;height:100%;min-height:340px;object-fit:cover;transition:transform .4s var(--ease)}
.card-feature:hover img{transform:scale(1.03)}
.card-feature::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(20,18,28,.9),rgba(20,18,28,.25) 55%,rgba(20,18,28,0));pointer-events:none}
.card-feature-body{position:absolute;left:24px;right:24px;bottom:24px;z-index:2;color:#fff;display:flex;flex-direction:column;gap:10px}
.card-feature-body h3{font-size:24px;line-height:1.34;color:#fff;-webkit-line-clamp:2}
.card-feature-body p{color:rgba(255,255,255,.78);font-size:14px}
.card-feature-body .card-meta{color:rgba(255,255,255,.7)}
.card-feature-body .card-meta .arrow{color:var(--accent)}
@media(max-width:1023px){
  .pick-grid{grid-template-columns:repeat(2,1fr)}
  .card-feature{grid-column:span 2}
}
@media(max-width:639px){
  .pick-grid{grid-template-columns:1fr}
  .card-feature{grid-column:span 1}
  .card-feature img{min-height:240px}
  .card-feature-body h3{font-size:20px}
}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:0}
.badge-cat{background:rgba(108,60,245,.1);color:var(--brand)}
.badge-new{background:rgba(255,138,61,.14);color:#B85A16}
.badge-state{background:rgba(182,240,74,.34);color:var(--ink)}

/* ---------- 评价轮播 ---------- */
.reviews{background:#F1EFE9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.review-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin}
.review-card{scroll-snap-align:start;flex:0 0 360px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;gap:14px}
.review-card .stars{color:var(--accent-2);font-size:14px;letter-spacing:2px}
.review-card blockquote{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2)}
.review-foot{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:40px;height:40px;border-radius:var(--r-md);overflow:hidden;flex:0 0 auto;background:var(--bg)}
.avatar img{width:100%;height:100%;object-fit:cover}
.review-foot b{display:block;font-size:14px;color:var(--ink)}
.review-foot span{font-size:12px;color:var(--ink-3)}
.carousel-btns{display:flex;gap:10px}
@media(max-width:639px){.review-card{flex:0 0 84vw}}

/* ---------- 保障条 ---------- */
.assure{background:var(--ink);color:#F2F1EC;padding:56px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.assure-item{display:flex;gap:14px;padding:8px 24px;border-left:1px solid rgba(255,255,255,.12)}
.assure-item:first-child{border-left:0;padding-left:0}
.assure-ico{width:40px;height:40px;flex:0 0 auto;border-radius:var(--r-md);background:var(--accent);color:var(--ink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.assure-item h3{font-size:15px;color:#fff;font-weight:700;margin-bottom:2px}
.assure-item p{font-size:13px;color:rgba(255,255,255,.62);line-height:1.6}
@media(max-width:1023px){.assure-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}.assure-item:nth-child(3){border-left:0;padding-left:0}}
@media(max-width:639px){.assure-grid{grid-template-columns:1fr;gap:24px}.assure-item{border-left:0;padding:0}}

/* ---------- 最新信息 CMS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px 24px}
.news-card{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--line);border-radius:var(--r-md);padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;transition:border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease)}
.news-card:hover{border-left-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.news-card h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .16s var(--ease)}
.news-card:hover h3{color:var(--brand)}
.news-card p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--ink-3);margin-top:4px}
.news-meta .arrow{margin-left:auto;color:var(--brand);transition:transform .16s var(--ease)}
.news-card:hover .news-meta .arrow{transform:translateX(3px)}
.empty-state{border:1px dashed var(--line-dash);border-radius:var(--r-lg);padding:48px 24px;text-align:center;background:rgba(255,255,255,.5)}
.empty-ico{width:48px;height:48px;margin:0 auto 14px;border-radius:var(--r-md);background:rgba(108,60,245,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800}
.empty-state strong{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.empty-state p{font-size:13px;color:var(--ink-3);margin-bottom:16px}
@media(max-width:1023px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:639px){.news-grid{grid-template-columns:1fr}}

/* ---------- 分类入口 ---------- */
.channels{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channel-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink);background:var(--surface);transition:background-color .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease),transform .16s var(--ease)}
.pill span{font-size:12px;color:var(--ink-3);font-weight:400}
.pill:hover{background:rgba(108,60,245,.1);border-color:rgba(108,60,245,.35);color:var(--brand);transform:translateY(-1px)}
.pill:hover span{color:var(--brand)}
.channel-note{font-size:12px;color:var(--ink-3);margin-left:auto}
@media(max-width:767px){.channel-note{margin-left:0}}

/* ---------- FAQ ---------- */
.faq-wrap{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden}
.faq-item{border-top:1px solid var(--line);border-left:3px solid transparent;transition:border-color .16s var(--ease),background-color .16s var(--ease)}
.faq-item:first-child{border-top:0}
.faq-item[open]{border-left-color:var(--brand);background:#FCFBF8}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px;padding:0 20px;font-size:15px;font-weight:700;color:var(--ink);transition:color .16s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1;flex:0 0 auto}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand)}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta{padding:0 0 96px}
.cta-box{position:relative;overflow:hidden;border-radius:24px;background:var(--brand);color:#fff;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-box::before{content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%)}
.cta-box h2{font-size:34px;color:#fff;position:relative}
.cta-box p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82);max-width:36em;position:relative}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
@media(max-width:1023px){.cta-box{flex-direction:column;align-items:flex-start;padding:40px}.cta-box h2{font-size:26px}.cta{padding-bottom:64px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F2F1EC;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:28em}
.footer-keys{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px}
.footer-keys a{font-size:13px;color:rgba(255,255,255,.72);border-bottom:1px solid rgba(255,255,255,.24);padding-bottom:1px}
.footer-keys a:hover{color:#fff;border-bottom-color:var(--accent);border-bottom-width:2px}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--accent);margin-bottom:16px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff;border-bottom:2px solid var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}
.footer-bottom .sp{margin-left:auto}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:639px){.footer-grid{grid-template-columns:1fr}.footer-bottom .sp{margin-left:0}}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card:hover,.news-card:hover,.pill:hover{transform:none}
  .card:hover .card-thumb img,.hero-card:hover img,.card-feature:hover img{transform:none}
}

/* roulang page: article */
:root{
  --brand:#6C3CF5;
  --brand-deep:#4A21C4;
  --accent:#B6F04A;
  --accent-2:#FF8A3D;
  --ink:#14121C;
  --ink-2:#4A4756;
  --ink-3:#8A8794;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DA;
  --line-dash:#D9D5C9;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px -12px rgba(20,18,28,.12);
  --shadow-2:0 2px 6px rgba(20,18,28,.08),0 24px 48px -24px rgba(20,18,28,.22);
  --shadow-brand:0 12px 28px -12px rgba(108,60,245,.42);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{margin:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.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}

.container{max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:768px){.container{padding:0 20px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 160ms var(--ease),background 160ms var(--ease);
}
.site-header.scrolled{
  box-shadow:var(--shadow-1);
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.header-row{display:flex;align-items:center;gap:20px;height:64px}
@media (max-width:1023px){.header-row{height:56px;gap:12px}}
.logo{display:inline-flex;flex-direction:column;line-height:1.05;flex:0 0 auto}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.logo-sub{font-size:10px;color:var(--ink-3);letter-spacing:.08em;margin-top:3px;align-self:flex-end}
.nav-hot{display:none;gap:22px;font-size:13px;color:var(--ink-3);margin-left:8px}
.nav-hot a{transition:color 160ms var(--ease)}
.nav-hot a:hover{color:var(--brand)}
@media (min-width:1024px){.nav-hot{display:flex}}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-search{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:13px;color:var(--ink-2);font-weight:600;
  transition:border-color 160ms var(--ease),color 160ms var(--ease),background 160ms var(--ease);
}
.btn-search:hover{border-color:var(--brand);color:var(--brand);background:#FBF9FF}
@media (max-width:1023px){.btn-search{display:none}}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  transition:border-color 160ms var(--ease);
}
.burger:hover{border-color:var(--brand)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
@media (max-width:1023px){.burger{display:inline-flex}}

.channel-row{display:none;align-items:center;height:44px;border-top:1px solid var(--line)}
@media (min-width:1024px){.channel-row{display:flex}}
.channels{display:flex;gap:26px;font-size:14px}
.channels a{position:relative;color:var(--ink-2);padding-bottom:2px;transition:color 160ms var(--ease)}
.channels a:hover{color:var(--brand)}
.channels a.active{color:var(--ink);font-weight:700}
.channels a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-11px;height:2px;border-radius:2px;background:var(--accent);
}
.channel-note{margin-left:auto;font-size:12px;color:var(--ink-3)}

.mobile-drawer{
  position:fixed;left:0;right:0;top:56px;bottom:0;z-index:45;
  background:#fff;padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform 220ms var(--ease);
}
.mobile-drawer.open{transform:translateX(0)}
@media (min-width:1024px){.mobile-drawer{display:none}}
.mobile-drawer .drawer-title{font-size:12px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:10px}
.mobile-drawer nav{display:grid;gap:0;margin-bottom:24px}
.mobile-drawer nav a{
  display:flex;align-items:center;height:56px;font-size:18px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.mobile-drawer nav a:hover{color:var(--brand)}
.drawer-search{display:flex;gap:10px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),transform 160ms var(--ease),box-shadow 160ms var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-brand)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{transform:scale(.985)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
@media (max-width:768px){.btn{width:100%;height:46px}.header-actions .btn{width:auto}}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;background:rgba(108,60,245,.10);color:var(--brand);
  white-space:nowrap;
}
.badge-update{background:rgba(255,138,61,.14);color:#B45A16}
.badge-state{background:rgba(182,240,74,.32);color:var(--ink)}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);padding:22px 0 6px;line-height:32px;
}
.breadcrumb a{transition:color 160ms var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line-dash)}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- article head ---------- */
.article-head{padding:12px 0 26px;border-bottom:1px solid var(--line)}
.article-head h1{
  font-size:34px;font-weight:800;line-height:1.3;letter-spacing:-.02em;margin:14px 0 18px;
}
@media (max-width:768px){.article-head h1{font-size:26px}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--ink-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-dash)}
.share-group{display:flex;gap:8px;margin-left:auto}
.share-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:border-color 160ms var(--ease),color 160ms var(--ease),transform 160ms var(--ease);
}
.share-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;padding:32px 0 0}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px}}
.article-main{min-width:0}

/* ---------- article body ---------- */
.article-body{max-width:720px;font-size:17px;line-height:1.9;color:var(--ink)}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.4;
  letter-spacing:-.01em;margin:2em 0 .8em;padding-left:18px;scroll-margin-top:100px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:19px;font-weight:700;line-height:1.5;margin:1.6em 0 .7em;scroll-margin-top:100px}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .6em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.1em}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--accent);font-size:1.1em}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:4px solid var(--accent);
  background:#fff;border-radius:0 12px 12px 0;color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;border:1px solid var(--line);margin:1.5em 0}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{text-decoration-thickness:2px}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--bg);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:.9em;
}
.article-body pre{
  background:var(--ink);color:#F2F1EC;border-radius:12px;padding:16px 18px;overflow-x:auto;
  font-size:14px;line-height:1.7;margin:1.4em 0;
}
.article-body pre code{background:none;border:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px dashed var(--line-dash);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg);font-weight:700}

/* ---------- empty state ---------- */
.empty-state{
  border:1px dashed var(--line-dash);border-radius:16px;padding:48px 24px;text-align:center;background:#fff;
}
.empty-state .empty-icon{
  width:48px;height:48px;border-radius:14px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  background:rgba(108,60,245,.10);color:var(--brand);
}
.empty-state h2{font-size:18px;font-weight:700;margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:20px}
.empty-state .btn{width:auto}

/* ---------- article foot ---------- */
.article-foot{border-top:1px solid var(--line);margin-top:40px;padding-top:24px;max-width:720px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.tag-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
  transition:border-color 160ms var(--ease),color 160ms var(--ease),background 160ms var(--ease);
}
.tag-pill:hover{border-color:var(--brand);color:var(--brand);background:#FBF9FF}

/* ---------- related ---------- */
.related-block{margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.related-block h2{font-size:24px;font-weight:800;letter-spacing:-.02em;margin-bottom:6px}
.related-sub{font-size:13px;color:var(--ink-3);margin-bottom:22px}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.rel-grid{grid-template-columns:1fr 1fr}}
.rel-card{
  display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:16px;transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),border-color 160ms var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DCD7C9}
.rel-card-thumb{width:96px;height:76px;flex:0 0 96px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.rel-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 200ms var(--ease)}
.rel-card:hover .rel-card-thumb img{transform:scale(1.03)}
.rel-card-body{min-width:0}
.rel-card-body h3{
  font-size:16px;font-weight:700;line-height:1.45;margin:8px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card-body p{
  font-size:13px;color:var(--ink-3);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- sidebar ---------- */
.article-side{min-width:0}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:20px;
}
@media (min-width:1024px){
  .side-sticky{position:sticky;top:96px}
}
.side-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:14px;
}
.toc-list{list-style:none;padding:0;font-size:14px}
.toc-list li a{
  display:block;padding:7px 0 7px 12px;border-left:2px solid transparent;color:var(--ink-2);
  line-height:1.5;transition:color 160ms var(--ease),border-color 160ms var(--ease);
}
.toc-list li a:hover{color:var(--brand)}
.toc-list li a.active{border-left-color:var(--brand);color:var(--brand);font-weight:600}
.rel-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line-dash)}
.rel-item:first-of-type{padding-top:0}
.rel-item:last-child{border-bottom:0;padding-bottom:0}
.rel-item-thumb{width:80px;height:60px;flex:0 0 80px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.rel-item-thumb img{width:100%;height:100%;object-fit:cover}
.rel-item-txt{min-width:0}
.rel-item-txt span{font-size:11px;color:var(--accent-2);font-weight:700}
.rel-item-txt h3{
  font-size:14px;font-weight:600;line-height:1.45;margin-top:4px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-item:hover h3{color:var(--brand)}

/* mobile toc */
.toc-mobile{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:0 18px;margin-bottom:28px;
}
@media (min-width:1024px){.toc-mobile{display:none}}
.toc-mobile summary{
  list-style:none;cursor:pointer;height:52px;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;color:var(--ink);
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";font-size:20px;color:var(--brand);line-height:1}
.toc-mobile[open] summary::after{content:"−"}
.toc-mobile .toc-list{padding-bottom:16px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#F2F1EC;margin-top:72px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:36ch;margin:14px 0 16px}
.footer-keys{display:flex;flex-wrap:wrap;gap:14px}
.footer-keys a{font-size:13px;color:rgba(255,255,255,.72);transition:color 160ms var(--ease)}
.footer-keys a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--accent);margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);transition:color 160ms var(--ease)}
.footer-col ul a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:20px 0 28px;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom .sp{color:rgba(255,255,255,.6)}
.footer-bottom .sp:hover{color:#fff}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
    --brand:#6C3CF5;
    --brand-deep:#4A21C4;
    --accent:#B6F04A;
    --accent-2:#FF8A3D;
    --ink:#14121C;
    --ink-2:#4A4756;
    --ink-3:#8A8794;
    --bg:#F7F6F2;
    --surface:#FFFFFF;
    --line:#E6E3DA;
    --line-dash:#D9D5C9;
    --r-8:8px;
    --r-12:12px;
    --r-16:16px;
    --r-20:20px;
    --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px -12px rgba(20,18,28,.12);
    --shadow-2:0 2px 6px rgba(20,18,28,.08),0 24px 48px -24px rgba(20,18,28,.22);
    --shadow-brand:0 12px 28px -12px rgba(108,60,245,.42);
    --font-cn:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
  ul,ol{padding:0;list-style:none}
  a{color:inherit;text-decoration:none;transition:color 160ms var(--ease),background-color 160ms var(--ease),border-color 160ms var(--ease)}
  img{max-width:100%;display:block}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  .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}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
  @media (max-width:900px){.container{padding:0 24px}}
  @media (max-width:640px){.container{padding:0 20px}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--line);
    transition:box-shadow 180ms var(--ease),backdrop-filter 180ms var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-1);backdrop-filter:blur(8px)}
  .header-top{
    display:flex;align-items:center;gap:24px;
    height:64px;
  }
  .logo{position:relative;display:inline-flex;flex-direction:column;padding-bottom:13px;flex:0 0 auto}
  .logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1}
  .logo-sub{position:absolute;right:0;bottom:0;font-size:10px;line-height:1;letter-spacing:.05em;color:var(--ink-3)}
  .nav-hot{display:flex;align-items:center;gap:22px;margin-left:8px}
  .nav-hot a{font-size:13px;color:var(--ink-3)}
  .nav-hot a:hover{color:var(--brand)}
  .header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--r-12);
    font-size:15px;font-weight:700;letter-spacing:-.01em;
    transition:background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),transform 160ms var(--ease),box-shadow 160ms var(--ease);
  }
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-brand)}
  .btn-primary:active{transform:translateY(0) scale(.985)}
  .btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
  .btn-accent{background:var(--accent);color:var(--ink)}
  .btn-accent:hover{filter:brightness(.94);transform:translateY(-1px)}
  .btn-accent:active{transform:translateY(0) scale(.985)}
  .btn-search{height:40px;padding:0 18px;border:1px solid var(--line);background:var(--surface);border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2)}
  .btn-search:hover{border-color:var(--brand);color:var(--brand)}
  .header-actions .btn-primary{height:40px;padding:0 20px;font-size:14px}
  .menu-toggle{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    flex-direction:column;align-items:center;justify-content:center;gap:5px;background:var(--surface);
  }
  .menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform 180ms var(--ease),opacity 180ms var(--ease)}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .channel-bar{border-top:1px solid var(--line);background:rgba(247,246,242,.7)}
  .site-header.is-scrolled .channel-bar{display:none}
  .channel-inner{display:flex;align-items:center;height:44px;gap:26px}
  .channel-links{display:flex;align-items:center;gap:26px}
  .channel-link{position:relative;font-size:14px;color:var(--ink-2);padding:11px 0;line-height:1.5}
  .channel-link::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:transparent;border-radius:2px;transition:background-color 160ms var(--ease)}
  .channel-link:hover{color:var(--brand)}
  .channel-link.is-active{font-weight:700;color:var(--ink)}
  .channel-link.is-active::after{background:var(--accent)}
  .channel-note{margin-left:auto;font-size:12px;color:var(--ink-3)}

  .mobile-drawer{
    display:none;
    position:fixed;inset:64px 0 0 0;z-index:49;
    background:var(--surface);border-top:1px solid var(--line);
    padding:16px 20px 32px;overflow-y:auto;
  }
  .mobile-drawer.is-open{display:block}
  .mobile-drawer a{display:flex;align-items:center;height:56px;font-size:18px;font-weight:600;border-bottom:1px solid var(--line);color:var(--ink)}
  .mobile-drawer a.is-active{color:var(--brand)}
  .drawer-search{display:flex;gap:10px;margin-top:20px}
  .drawer-search input{flex:1}

  /* ---------- 表单基础 ---------- */
  input[type="email"],input[type="search"],input[type="text"]{
    width:100%;height:44px;padding:0 14px;border-radius:var(--r-12);
    border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:15px;
    font-family:inherit;transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease);
  }
  input::placeholder{color:var(--ink-3)}
  input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,60,245,.15)}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;align-items:center;gap:8px;height:32px;font-size:13px;color:var(--ink-3);margin-top:24px;flex-wrap:wrap}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb .sep{color:var(--line-dash)}
  .breadcrumb .current{color:var(--ink);font-weight:600}

  /* ---------- Hero ---------- */
  .hero{padding:24px 0 56px}
  .hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
    background:rgba(108,60,245,.1);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.02em;
  }
  .hero h1{
    margin:18px 0 0;font-size:48px;line-height:1.18;letter-spacing:-.02em;font-weight:800;
  }
  .hero h1 .mark{
    background:linear-gradient(to top,var(--accent) 0,var(--accent) 12px,transparent 12px);
    padding:0 4px;
  }
  .hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);line-height:1.7;max-width:520px}
  .hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
  .hero-stats{display:flex;gap:28px;margin-top:30px;flex-wrap:wrap}
  .hero-stats .stat{display:flex;align-items:baseline;gap:6px}
  .hero-stats .num{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
  .hero-stats .lab{font-size:12px;color:var(--ink-3)}
  .hero-media{position:relative;border-radius:var(--r-20);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--surface)}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 400ms var(--ease)}
  .hero-media:hover img{transform:scale(1.03)}
  .hero-media .veil{position:absolute;inset:0;background:linear-gradient(to top,rgba(20,18,28,.78) 0%,rgba(20,18,28,.12) 46%,rgba(20,18,28,0) 70%)}
  .hero-media .badge-float{position:absolute;top:18px;left:18px;height:26px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;background:var(--accent);color:var(--ink);font-size:12px;font-weight:700}
  .hero-media .cap{position:absolute;left:20px;right:64px;bottom:20px;color:#F2F1EC;font-size:17px;font-weight:700;line-height:1.45;letter-spacing:-.01em}
  .hero-media .go{
    position:absolute;right:18px;bottom:18px;width:40px;height:40px;border-radius:999px;
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:14px;
  }
  .hero-media:hover .go{background:var(--accent);border-color:var(--accent);color:var(--ink)}

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
  .block-title{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.25;position:relative;padding-left:18px}
  .block-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand)}
  .block-sub{font-size:13px;color:var(--ink-3);margin-top:6px;padding-left:18px}
  .link-more{font-size:14px;font-weight:700;color:var(--brand);border-bottom:2px solid transparent;padding-bottom:2px}
  .link-more:hover{border-bottom-color:var(--brand)}

  /* ---------- 筛选 chips ---------- */
  .chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
  .chip{
    height:36px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
    background:var(--surface);font-size:14px;color:var(--ink-2);font-weight:500;
    transition:background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease);
  }
  .chip:hover{border-color:var(--brand);color:var(--brand)}
  .chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}

  /* ---------- 重点条目 ---------- */
  .pick-grid{display:grid;grid-template-columns:1fr;gap:24px}
  .pick-lead{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-16);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-1);transition:transform 180ms var(--ease),box-shadow 180ms var(--ease)}
  .pick-lead:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
  .pick-lead .pic{overflow:hidden}
  .pick-lead .pic img{width:100%;height:100%;min-height:240px;object-fit:cover;transition:transform 400ms var(--ease)}
  .pick-lead:hover .pic img{transform:scale(1.03)}
  .pick-lead .body{padding:28px;display:flex;flex-direction:column;justify-content:center;gap:12px}
  .pick-lead h3{font-size:22px;font-weight:800;line-height:1.35;letter-spacing:-.01em}
  .pick-lead h3 a:hover{color:var(--brand)}
  .pick-lead p{font-size:15px;color:var(--ink-2);line-height:1.8}

  .pick-list{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-16);background:var(--surface);overflow:hidden}
  .pick-row{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px;border-bottom:1px dashed var(--line-dash);transition:background-color 160ms var(--ease);align-items:center}
  .pick-row:last-child{border-bottom:0}
  .pick-row:hover{background:rgba(108,60,245,.04)}
  .pick-row .pic{border-radius:var(--r-12);overflow:hidden;border:1px solid var(--line)}
  .pick-row .pic img{width:100%;aspect-ratio:14/9;object-fit:cover;transition:transform 300ms var(--ease)}
  .pick-row:hover .pic img{transform:scale(1.04)}
  .meta-row{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--ink-3);flex-wrap:wrap}
  .badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.01em}
  .badge-brand{background:rgba(108,60,245,.1);color:var(--brand)}
  .badge-warm{background:rgba(255,138,61,.14);color:#B85A18}
  .badge-lime{background:rgba(182,240,74,.32);color:#2E3B08}
  .pick-title{font-size:18px;font-weight:700;line-height:1.45;margin-top:8px;letter-spacing:-.01em}
  .pick-title a:hover{color:var(--brand)}
  .pick-desc{font-size:14px;color:var(--ink-2);line-height:1.7;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .is-hidden{display:none !important}

  /* ---------- 频道入口 ---------- */
  .channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .channel-card{
    position:relative;display:block;border:1px solid var(--line);border-radius:var(--r-16);
    background:var(--surface);overflow:hidden;padding:0 0 20px;
    transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
  }
  .channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(108,60,245,.35)}
  .channel-card .pic{overflow:hidden;border-bottom:1px solid var(--line)}
  .channel-card .pic img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 300ms var(--ease)}
  .channel-card:hover .pic img{transform:scale(1.04)}
  .channel-card .body{padding:18px 20px 0}
  .channel-card h3{font-size:18px;font-weight:800;letter-spacing:-.01em}
  .channel-card p{font-size:13px;color:var(--ink-2);line-height:1.7;margin-top:8px}
  .channel-card .arrow{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:700;color:var(--brand)}
  .channel-card .arrow i{transition:transform 160ms var(--ease)}
  .channel-card:hover .arrow i{transform:translateX(3px)}
  .channel-card.is-wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;padding:0}
  .channel-card.is-wide .pic{border-bottom:0;border-right:1px solid var(--line);height:100%}
  .channel-card.is-wide .pic img{height:100%;aspect-ratio:auto;min-height:220px}
  .channel-card.is-wide .body{padding:26px}
  .channel-card.is-wide h3{font-size:22px}
  .channel-card.is-wide p{font-size:14px}

  /* ---------- 时间线 ---------- */
  .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
  .timeline::before{content:"";position:absolute;left:0;right:0;top:19px;height:2px;background:var(--line)}
  .tl-item{position:relative;padding-top:48px}
  .tl-item::before{
    content:"";position:absolute;left:0;top:14px;width:12px;height:12px;border-radius:999px;
    background:var(--brand);box-shadow:0 0 0 4px var(--bg);
  }
  .tl-time{font-size:14px;font-weight:800;color:var(--brand);letter-spacing:-.01em}
  .tl-item h3{font-size:16px;font-weight:700;margin-top:6px;line-height:1.5}
  .tl-item p{font-size:13px;color:var(--ink-2);line-height:1.7;margin-top:6px}

  /* ---------- FAQ ---------- */
  .faq{border:1px solid var(--line);border-radius:var(--r-16);background:var(--surface);overflow:hidden}
  .faq details{border-bottom:1px solid var(--line)}
  .faq details:last-child{border-bottom:0}
  .faq summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    height:60px;padding:0 20px;font-size:15px;font-weight:700;cursor:pointer;list-style:none;
    transition:color 160ms var(--ease),background-color 160ms var(--ease);
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary:hover{color:var(--brand);background:rgba(108,60,245,.03)}
  .faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--brand);line-height:1;transition:transform 160ms var(--ease)}
  .faq details[open] summary::after{content:"−"}
  .faq details[open] summary{color:var(--brand)}
  .faq .answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);border-left:3px solid var(--brand);margin-left:0}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;border-radius:24px;background:var(--brand);color:#fff;
    padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 68%);pointer-events:none;
  }
  .cta-copy{position:relative;z-index:1;max-width:560px}
  .cta-copy h2{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.25}
  .cta-copy p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.75}
  .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
  .btn-white{background:#fff;color:var(--brand);height:48px;padding:0 26px;border-radius:var(--r-12);font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:transform 160ms var(--ease),box-shadow 160ms var(--ease)}
  .btn-white:hover{transform:translateY(-1px);box-shadow:0 12px 28px -12px rgba(20,18,28,.4)}
  .btn-outline-white{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);height:48px;padding:0 26px;border-radius:var(--r-12);font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:background-color 160ms var(--ease),border-color 160ms var(--ease)}
  .btn-outline-white:hover{background:rgba(255,255,255,.12);border-color:#fff}

  /* ---------- 订阅条 ---------- */
  .subscribe{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-20);padding:32px;box-shadow:var(--shadow-1)}
  .subscribe h3{font-size:22px;font-weight:800;letter-spacing:-.01em}
  .subscribe p{font-size:14px;color:var(--ink-2);line-height:1.75;margin-top:8px}
  .sub-form{display:flex;gap:10px;flex-wrap:wrap}
  .sub-form input{flex:1;min-width:200px}
  .form-hint{font-size:12px;color:var(--ink-3);margin-top:8px;width:100%}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#F2F1EC;padding:64px 0 28px;margin-top:56px}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
  .site-footer .logo-main{color:#fff}
  .site-footer .logo-sub{color:rgba(255,255,255,.5)}
  .footer-brand p{margin-top:20px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px}
  .footer-keys{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
  .footer-keys a{font-size:13px;color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:5px 14px;transition:all 160ms var(--ease)}
  .footer-keys a:hover{color:#fff;border-color:var(--accent);background:rgba(182,240,74,.1)}
  .footer-col h4{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:16px}
  .footer-col li{margin-bottom:10px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.72);border-bottom:2px solid transparent;padding-bottom:2px;transition:all 160ms var(--ease)}
  .footer-col a:hover{color:#fff;border-bottom-color:var(--accent)}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    font-size:12px;color:rgba(255,255,255,.5);
  }
  .footer-bottom .sp{color:rgba(255,255,255,.62)}
  .footer-bottom .sp:hover{color:#fff}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .nav-hot{display:none}
    .hero-grid{grid-template-columns:1fr;gap:32px}
    .hero h1{font-size:36px}
    .channel-grid{grid-template-columns:repeat(2,1fr)}
    .channel-card.is-wide{grid-column:span 2}
    .timeline{grid-template-columns:repeat(2,1fr)}
    .timeline::before{display:none}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .pick-lead{grid-template-columns:1fr}
    .pick-lead .pic img{min-height:200px}
  }
  @media (max-width:768px){
    .header-top{height:56px;gap:12px}
    .btn-search span{display:none}
    .btn-search{width:40px;padding:0;justify-content:center}
    .header-actions .btn-primary{display:none}
    .menu-toggle{display:flex}
    .mobile-drawer{inset:56px 0 0 0}
    .hero{padding:12px 0 40px}
    .hero h1{font-size:30px}
    .hero-sub{font-size:15px}
    .hero-actions .btn{width:100%}
    .block-title{font-size:24px}
    .section{padding:40px 0}
    .pick-row{grid-template-columns:1fr;gap:14px}
    .pick-row .pic img{aspect-ratio:16/9}
    .channel-grid{grid-template-columns:1fr}
    .channel-card.is-wide{grid-column:span 1;grid-template-columns:1fr}
    .channel-card.is-wide .pic{border-right:0;border-bottom:1px solid var(--line)}
    .channel-card.is-wide .pic img{min-height:0;aspect-ratio:16/9}
    .timeline{grid-template-columns:1fr}
    .cta-band{padding:32px 24px;border-radius:20px}
    .cta-copy h2{font-size:24px}
    .cta-actions{width:100%}
    .cta-actions a{width:100%;justify-content:center;height:44px}
    .subscribe{grid-template-columns:1fr;padding:24px;gap:20px}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-col h4{margin-bottom:12px}
    .site-footer{padding:44px 0 24px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important}
    .channel-card:hover,.pick-lead:hover{transform:none}
  }

/* roulang page: category2 */
:root{
  --brand:#6C3CF5;
  --brand-deep:#4A21C4;
  --accent:#B6F04A;
  --accent-2:#FF8A3D;
  --ink:#14121C;
  --ink-2:#4A4756;
  --ink-3:#8A8794;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DA;
  --line-dash:#D9D5C9;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:16px;
  --radius-xl:20px;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px -12px rgba(20,18,28,.12);
  --shadow-2:0 2px 6px rgba(20,18,28,.08),0 24px 48px -24px rgba(20,18,28,.22);
  --shadow-brand:0 12px 28px -12px rgba(108,60,245,.42);
  --ease:160ms cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",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:1.75;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.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;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:var(--shadow-1);
}
.header-top-inner{display:flex;align-items:center;gap:26px;height:64px;}
.logo{display:inline-flex;align-items:flex-end;gap:6px;flex-shrink:0;}
.logo-main{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1;}
.logo-sub{
  font-size:10px;line-height:1;color:var(--ink-3);
  padding:3px 6px;border:1px solid var(--line);border-radius:999px;
  transform:translateY(-1px);letter-spacing:.04em;
}
.nav-hot{display:flex;align-items:center;gap:18px;font-size:13px;color:var(--ink-3);transition:opacity var(--ease);}
.nav-hot a{transition:color var(--ease);}
.nav-hot a:hover{color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-m);
  font-weight:700;font-size:15px;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-brand);}
.btn-primary:active{transform:translateY(0) scale(.985);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{filter:brightness(.94);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:#F2EEFF;transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.12);}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);}
.menu-toggle{display:none;}
.header-channels{
  max-height:46px;overflow:hidden;background:#fff;
  transition:max-height .28s cubic-bezier(.2,.7,.3,1),opacity var(--ease);
  border-top:1px solid transparent;
}
.channels-inner{display:flex;align-items:center;gap:26px;height:44px;font-size:14px;}
.channel{position:relative;color:var(--ink-2);padding:2px 0;transition:color var(--ease);}
.channel:hover{color:var(--brand);}
.channel.active{color:var(--ink);font-weight:700;}
.channel.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-9px;height:2px;
  background:var(--accent);border-radius:2px;
}
.channel-note{margin-left:auto;font-size:12px;color:var(--ink-3);}
.site-header.scrolled .header-channels{max-height:0;opacity:0;}
.site-header.scrolled .nav-hot{opacity:0;pointer-events:none;}
.search-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0;}
.search-panel.open{display:block;}
.search-form{display:flex;gap:10px;}
.search-form input{
  flex:1;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,60,245,.15);}

/* ---------- Drawer ---------- */
.drawer{
  display:none;position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
  background:#fff;padding:20px;overflow:auto;
}
.drawer.open{display:block;}
.drawer a.drawer-link{
  display:block;height:56px;line-height:56px;font-size:18px;
  border-bottom:1px solid var(--line);color:var(--ink-2);
}
.drawer a.drawer-link.active{color:var(--brand);font-weight:700;}
.drawer .drawer-search{margin-top:20px;display:flex;gap:10px;}
.drawer .drawer-search input{
  flex:1;height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding-top:22px;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line-dash);}
.crumb .now{color:var(--ink);}

/* ---------- Hero ---------- */
.cat-hero{position:relative;padding:20px 0 64px;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;right:-10%;top:-30%;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,60,245,.10),rgba(108,60,245,0) 68%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.55fr .95fr;gap:44px;align-items:end;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.06em;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;}
h1{font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:14px 0 16px;}
h1 .hl{background:linear-gradient(transparent 74%,var(--accent) 74%);padding:0 2px;}
.hero-sub{font-size:16px;line-height:1.8;color:var(--ink-2);max-width:600px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:28px;}
.stat b{display:block;font-size:26px;font-weight:800;line-height:1.2;}
.stat span{font-size:12px;color:var(--ink-3);}
.hero-aside{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:20px;box-shadow:var(--shadow-1);
}
.hero-aside .aside-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.hero-aside .aside-head h2{font-size:15px;font-weight:700;}
.hero-aside .aside-head span{font-size:12px;color:var(--accent-2);}
.aside-thumb{aspect-ratio:16/10;border-radius:var(--radius-m);overflow:hidden;margin-bottom:14px;}
.aside-thumb img{width:100%;height:100%;object-fit:cover;}
.aside-item{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px dashed var(--line-dash);font-size:14px;color:var(--ink-2);}
.aside-item:first-of-type{border-top:0;}
.aside-item b{color:var(--brand);font-size:13px;flex-shrink:0;line-height:1.8;}

/* ---------- Sections ---------- */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{
  position:relative;padding-left:16px;font-size:34px;font-weight:800;
  letter-spacing:-.02em;line-height:1.25;
}
.sec-title::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;border-radius:4px;background:var(--brand);}
.sec-desc{font-size:14px;color:var(--ink-2);margin-top:8px;padding-left:16px;max-width:700px;}
.sec-link{font-size:13px;font-weight:700;color:var(--brand);border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color var(--ease);}
.sec-link:hover{border-bottom-color:var(--brand);}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;}
.badge-brand{background:rgba(108,60,245,.10);color:var(--brand);}
.badge-accent{background:var(--accent);color:var(--ink);}
.badge-update{background:rgba(255,138,61,.12);color:#C4611D;}
.badge-status{background:rgba(182,240,74,.30);color:var(--ink);}

/* ---------- Topic big cards ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.topic-card{
  position:relative;display:block;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line);background:var(--ink);
  box-shadow:var(--shadow-1);aspect-ratio:16/9;
  transition:transform var(--ease),box-shadow var(--ease);
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.topic-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.2,.7,.3,1);}
.topic-card:hover img{transform:scale(1.04);}
.topic-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,18,28,0) 30%,rgba(20,18,28,.88) 100%);
}
.topic-content{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;}
.topic-content h3{font-size:22px;font-weight:700;color:#fff;margin:10px 0 6px;letter-spacing:-.01em;}
.topic-content p{font-size:13px;color:rgba(255,255,255,.78);line-height:1.7;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:24px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.step .num{
  width:36px;height:36px;border-radius:12px;background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.step h3{font-size:18px;font-weight:700;margin:14px 0 8px;}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- Pick list ---------- */
.pick-list{display:grid;gap:12px;}
.pick{
  display:grid;grid-template-columns:44px 150px 1fr auto;gap:20px;align-items:center;
  padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pick:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand);}
.pick .idx{font-size:20px;font-weight:800;color:var(--line-dash);text-align:center;}
.pick .thumb{aspect-ratio:16/10;border-radius:var(--radius-m);overflow:hidden;background:var(--bg);}
.pick .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1);}
.pick:hover .thumb img{transform:scale(1.05);}
.pick h3{font-size:18px;font-weight:700;margin-bottom:6px;transition:color var(--ease);}
.pick:hover h3{color:var(--brand);}
.pick p{font-size:14px;color:var(--ink-2);line-height:1.7;}
.pick .meta{font-size:12px;color:var(--ink-3);text-align:right;white-space:nowrap;line-height:1.9;}

/* ---------- FAQ ---------- */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;}
.faq details{border-top:1px solid var(--line);transition:box-shadow var(--ease),background var(--ease);}
.faq details:first-child{border-top:0;}
.faq details[open]{box-shadow:inset 3px 0 0 var(--brand);background:#FCFBF8;}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;font-weight:700;font-size:15px;cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand);font-weight:700;}
.faq details[open] summary::after{content:"−";}
.faq .ans{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-wrap{padding:20px 0 72px;}
.cta{
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;
  gap:32px;background:var(--brand);color:#fff;border-radius:24px;padding:56px;
}
.cta::before{
  content:"";position:absolute;right:-8%;top:-60%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.20),rgba(255,255,255,0) 65%);
}
.cta > *{position:relative;z-index:1;}
.cta h2{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.25;}
.cta p{font-size:15px;color:rgba(255,255,255,.82);margin-top:10px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;}

/* ---------- Channel strip ---------- */
.strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:20px 0 8px;
}
.strip-pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.strip-pill:hover{background:rgba(108,60,245,.08);border-color:var(--brand);color:var(--brand);}
.strip-pill.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.strip-note{font-size:12px;color:var(--ink-3);margin-left:auto;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#F2F1EC;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:64px 0 44px;}
.site-footer .logo-main{color:#fff;}
.site-footer .logo-sub{color:rgba(255,255,255,.6);border-color:rgba(255,255,255,.2);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 18px;max-width:340px;}
.footer-keys{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;}
.footer-keys a{color:rgba(255,255,255,.72);border-bottom:1px solid transparent;padding-bottom:2px;transition:color var(--ease),border-color var(--ease);}
.footer-keys a:hover{color:#fff;border-bottom-color:var(--accent);}
.footer-col h4{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);border-bottom:1px solid transparent;padding-bottom:2px;transition:color var(--ease),border-color var(--ease);}
.footer-col a:hover{color:#fff;border-bottom-color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom .sp{color:rgba(255,255,255,.72);border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease);}
.footer-bottom .sp:hover{color:#fff;border-bottom-color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-hot{display:none;}
  .header-channels{display:none;}
  .menu-toggle{display:inline-flex;}
  .cat-hero-inner{grid-template-columns:1fr;gap:32px;align-items:start;}
  .hero-aside{max-width:560px;}
  .steps{grid-template-columns:1fr;}
  .pick{grid-template-columns:120px 1fr;}
  .pick .idx{display:none;}
  .pick .meta{grid-column:2;text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta{flex-direction:column;align-items:flex-start;padding:40px;}
  .cta-actions{width:100%;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  h1{font-size:30px;}
  .sec-title{font-size:24px;}
  .cta h2{font-size:24px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .topic-grid{grid-template-columns:1fr;gap:18px;}
  .topic-content h3{font-size:19px;}
  .topic-content{left:18px;right:18px;bottom:16px;}
  .hero-stats{gap:24px;}
  .stat b{font-size:22px;}
  .btn{height:44px;width:100%;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 32px;}
  .header-top-inner{height:56px;gap:12px;}
  .logo-main{font-size:19px;}
  .drawer{top:56px;}
  .pick{grid-template-columns:1fr;gap:14px;}
  .pick .thumb{aspect-ratio:16/9;}
  .strip-note{margin-left:0;width:100%;}
}
@media (max-width:519px){
  .sec-title{font-size:22px;}
  .hero-aside{padding:16px;}
  .faq summary{font-size:14px;padding:16px;}
  .faq .ans{padding:0 16px 16px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .topic-card:hover,.pick:hover,.step:hover,.btn:hover{transform:none !important;}
}

/* roulang page: category3 */
:root{
  --brand:#6C3CF5;
  --brand-deep:#4A21C4;
  --accent:#B6F04A;
  --accent-2:#FF8A3D;
  --ink:#14121C;
  --ink-2:#4A4756;
  --ink-3:#8A8794;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DA;
  --line-dash:#D9D5C9;
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px -12px rgba(20,18,28,.12);
  --shadow-2:0 2px 6px rgba(20,18,28,.08),0 24px 48px -24px rgba(20,18,28,.22);
  --shadow-brand:0 12px 28px -12px rgba(108,60,245,.42);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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:1.75;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.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}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:1023px){.container{padding:0 20px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:0;
  transition:background 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease),transform 160ms var(--ease),box-shadow 160ms var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-brand)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:#F2EEFF;transform:translateY(-1px)}
.btn-outline-white{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-white:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:10px}

/* ---------- 徽标 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700;line-height:1;white-space:nowrap}
.badge-ver{background:rgba(108,60,245,.10);color:var(--brand)}
.badge-new{background:rgba(255,138,61,.12);color:#B85A16}
.badge-ok{background:rgba(182,240,74,.30);color:var(--ink)}

/* ---------- 吸顶导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 200ms var(--ease),background 200ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:var(--shadow-1);
}
.header-main{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:flex-start;gap:5px;line-height:1;flex-shrink:0}
.logo-main{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.logo-sub{font-size:10px;color:var(--ink-3);margin-top:14px;letter-spacing:.04em}
.nav-hot{display:none;align-items:center;gap:18px;margin-left:auto}
.nav-hot a{font-size:13px;color:var(--ink-3);transition:color 160ms var(--ease)}
.nav-hot a:hover{color:var(--brand)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn-search{
  display:none;align-items:center;gap:7px;height:38px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:13px;color:var(--ink-2);
  transition:border-color 160ms var(--ease),color 160ms var(--ease),background 160ms var(--ease);
}
.btn-search:hover{border-color:var(--brand);color:var(--brand);background:rgba(108,60,245,.05)}
.btn-search svg{width:15px;height:15px}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
}
.nav-toggle:hover{border-color:var(--brand)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.channel-bar{display:none;align-items:center;justify-content:space-between;height:44px;border-top:1px solid var(--line)}
.channel-nav{display:flex;gap:26px}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:14px;color:var(--ink-2);transition:color 160ms var(--ease);
}
.channel-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:transparent;border-radius:2px;transition:background 160ms var(--ease)}
.channel-nav a:hover{color:var(--brand)}
.channel-nav a.active{color:var(--ink);font-weight:700}
.channel-nav a.active::after{background:var(--accent)}
.channel-all{font-size:13px;color:var(--ink-3);transition:color 160ms var(--ease)}
.channel-all:hover{color:var(--brand)}
@media (min-width:640px){
  .header-actions .btn-primary{display:inline-flex}
}
@media (max-width:639px){
  .header-actions .btn-primary{display:none}
  .logo-main{font-size:19px}
  .logo-sub{margin-top:12px}
}
@media (min-width:1024px){
  .nav-hot{display:flex}
  .btn-search{display:inline-flex}
  .nav-toggle{display:none}
  .channel-bar{display:flex}
}
.site-header.is-scrolled .nav-hot,
.site-header.is-scrolled .channel-bar{display:none}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;display:flex;flex-direction:column;
  padding:20px;transform:translateX(100%);visibility:hidden;
  transition:transform 220ms var(--ease),visibility 220ms var(--ease);
  overflow-y:auto;
}
.drawer.open{transform:none;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:20px;line-height:1;color:var(--ink-2)}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-nav{margin-top:12px;display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:18px;font-weight:600;
  color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand)}
.drawer-search{margin-top:22px;display:flex;gap:10px}
.drawer-search input{
  flex:1;height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--ink);
}
.drawer-search input::placeholder{color:var(--ink-3)}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,60,245,.15)}
.drawer-search button{height:44px;padding:0 18px;border-radius:12px;background:var(--brand);color:#fff;font-size:14px;font-weight:700}
.drawer-search button:hover{background:var(--brand-deep)}

/* ---------- 页面头 ---------- */
.page-hero{position:relative;background:var(--ink);color:#F2F1EC;overflow:hidden;isolation:isolate}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url(/assets/images/backpic/back-1.webp) center 30%/cover no-repeat;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(20,18,28,.55) 0%,rgba(20,18,28,.86) 60%,rgba(20,18,28,.96) 100%);
}
.page-hero .container{position:relative;padding-top:22px;padding-bottom:56px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);line-height:32px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.75)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;text-decoration-color:var(--accent)}
.breadcrumb .current{color:#fff}
.hero-tagrow{display:flex;align-items:center;gap:10px;margin-top:26px;flex-wrap:wrap}
.hero-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.02em;
}
.hero-tagline{font-size:13px;color:rgba(255,255,255,.6)}
.hero-title{font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:16px 0 14px}
.hero-sub{font-size:16px;color:rgba(255,255,255,.74);max-width:660px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 36px;margin-top:30px;font-size:13px;color:rgba(255,255,255,.58)}
.hero-stats b{color:var(--accent);font-weight:700;font-size:17px;margin-right:6px;letter-spacing:-.01em}
@media (max-width:767px){
  .hero-title{font-size:30px;margin:14px 0 12px}
  .hero-sub{font-size:15px}
  .page-hero .container{padding-bottom:40px}
  .hero-stats{gap:10px 22px;margin-top:22px}
}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:1023px){.section{padding:48px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.h2{position:relative;padding-left:16px;font-size:34px;line-height:1.25;font-weight:800;letter-spacing:-.02em}
.h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--brand)}
@media (max-width:767px){.h2{font-size:24px;padding-left:13px}.h2::before{width:4px;top:4px;bottom:4px}}
.side-note{font-size:13px;color:var(--ink-3)}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
  transition:background 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:rgba(108,60,245,.06)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}
.chip.active:hover{background:var(--brand-deep);color:#fff}

/* ---------- 时间轴 ---------- */
.timeline{position:relative}
.timeline::before{
  content:"";position:absolute;left:113px;top:12px;bottom:12px;width:2px;
  background:var(--line);border-radius:2px;
}
.tl-item{position:relative;display:grid;grid-template-columns:96px minmax(0,1fr);column-gap:36px;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:108px;top:12px;width:12px;height:12px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px var(--bg);z-index:1;
}
.tl-date{font-size:13px;font-weight:600;color:var(--ink-3);padding-top:8px;padding-right:14px;text-align:right}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;
  transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease);
}
.tl-item:hover .tl-body{border-color:rgba(108,60,245,.38);box-shadow:var(--shadow-1)}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px}
.tl-body h3{font-size:17px;line-height:1.45;font-weight:700;letter-spacing:-.01em;margin:12px 0 8px}
.tl-list{margin-top:4px}
.tl-list li{position:relative;padding-left:16px;font-size:14px;line-height:1.8;color:var(--ink-2)}
.tl-list li+li{margin-top:4px}
.tl-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.timeline-foot{margin-top:36px;text-align:center}
@media (max-width:767px){
  .timeline::before{left:5px}
  .tl-item{grid-template-columns:minmax(0,1fr);column-gap:0;padding-left:28px;padding-bottom:26px}
  .tl-dot{left:0;top:6px}
  .tl-date{text-align:left;padding:0 0 8px}
  .tl-body{padding:18px}
}

/* ---------- 发布节奏 ---------- */
.rhythm-grid{display:grid;grid-template-columns:1fr;gap:20px}
.rhythm-main{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform 160ms var(--ease),box-shadow 160ms var(--ease)}
.rhythm-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.rhythm-main figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.rhythm-main figure img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease)}
.rhythm-main:hover figure img{transform:scale(1.03)}
.rhythm-main .body{padding:24px}
.rhythm-main h3{font-size:22px;line-height:1.4;font-weight:800;letter-spacing:-.01em;margin:12px 0 10px}
.rhythm-main p{font-size:15px;line-height:1.8;color:var(--ink-2)}
.rhythm-points{margin-top:16px;display:grid;gap:8px}
.rhythm-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2)}
.rhythm-points li::before{
  content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.rhythm-side{display:flex;flex-direction:column;gap:20px}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
  display:flex;flex-direction:column;justify-content:center;flex:1;
  transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),border-color 160ms var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(108,60,245,.28)}
.mini-num{font-size:13px;font-weight:800;color:var(--accent-2);letter-spacing:.1em}
.mini-card h3{font-size:18px;line-height:1.45;font-weight:700;margin:10px 0 8px;letter-spacing:-.01em}
.mini-card p{font-size:14px;line-height:1.8;color:var(--ink-2)}
@media (min-width:1024px){
  .rhythm-grid{grid-template-columns:7fr 5fr;gap:24px}
}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:24px;background:var(--brand);color:#fff;
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  isolation:isolate;
}
.cta::before{
  content:"";position:absolute;z-index:-1;right:-10%;top:-60%;
  width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 68%);
}
.cta-title{font-size:34px;line-height:1.28;font-weight:800;letter-spacing:-.02em}
.cta-text p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-shrink:0}
@media (max-width:1023px){
  .cta{flex-direction:column;align-items:flex-start;padding:36px;gap:24px}
  .cta-title{font-size:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F2F1EC;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:56px 0 40px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.45)}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:360px}
.footer-keys{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:16px}
.footer-keys a{font-size:13px;color:rgba(255,255,255,.72);transition:color 160ms var(--ease)}
.footer-keys a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--accent)}
.footer-col h4{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;margin-bottom:14px}
.footer-col ul li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color 160ms var(--ease)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom .sp{color:rgba(255,255,255,.62)}
.footer-bottom .sp:hover{color:#fff}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}
  .footer-brand{grid-column:auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .rhythm-main:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand:#6C3CF5;
  --brand-deep:#4A21C4;
  --accent:#B6F04A;
  --accent-2:#FF8A3D;
  --ink:#14121C;
  --ink-2:#4A4756;
  --ink-3:#8A8794;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E6E3DA;
  --line-dash:#D9D5C9;
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:20px;
  --shadow-1:0 1px 2px rgba(20,18,28,.06),0 8px 24px -12px rgba(20,18,28,.12);
  --shadow-2:0 2px 6px rgba(20,18,28,.08),0 24px 48px -24px rgba(20,18,28,.22);
  --shadow-brand:0 12px 28px -12px rgba(108,60,245,.42);
  --t:160ms cubic-bezier(.2,.7,.3,1);
  --headerH:64px;
}
@media (max-width:767px){:root{--headerH:56px}}

*,*::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:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
[hidden]{display:none !important}
.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}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:767px){.container{padding:0 20px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-main{display:flex;align-items:center;gap:28px;height:var(--headerH)}
.logo{display:inline-flex;flex-direction:column;align-items:flex-start;line-height:1;flex:none}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.logo-sub{font-size:10px;color:var(--ink-3);letter-spacing:.08em;margin-top:4px;align-self:flex-end}
.nav-hot{display:none;align-items:center;gap:18px}
.nav-hot a{font-size:13px;color:var(--ink-3)}
.nav-hot a:hover{color:var(--brand)}
@media (min-width:1024px){.nav-hot{display:flex}}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.btn-search{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 16px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);cursor:pointer;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.btn-search:hover{border-color:var(--brand);color:var(--brand)}
.btn-search .ico{font-size:14px;line-height:1}
.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);cursor:pointer;
}
.burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--t),opacity var(--t)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.burger{display:none}}
@media (max-width:1023px){.btn-search{padding:0 13px}.btn-search .txt{display:none}}
@media (max-width:479px){.header-actions .btn-primary{display:none}}

.nav-channels-wrap{display:none;border-top:1px solid var(--line)}
@media (min-width:1024px){.nav-channels-wrap{display:block}}
.nav-channels{display:flex;align-items:center;gap:26px;height:44px}
.nav-channels a{
  position:relative;font-size:14px;color:var(--ink-2);
  display:inline-flex;align-items:center;height:44px;
  transition:color var(--t);
}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-channels a:hover{color:var(--ink)}
.nav-channels a:hover::after{transform:scaleX(1)}
.nav-channels a.is-active{font-weight:700;color:var(--ink)}
.nav-channels a.is-active::after{transform:scaleX(1)}
.nav-channels .nav-overview{margin-left:auto;font-size:13px;color:var(--ink-3)}
.nav-channels .nav-overview:hover{color:var(--brand)}

.search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
  padding:16px 0;
}
.search-form{display:flex;gap:12px;align-items:center}
.search-form input{
  flex:1;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  font-size:15px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.search-form input::placeholder{color:var(--ink-3)}
.search-form input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(108,60,245,.15);
}

.drawer{
  position:fixed;top:var(--headerH);left:0;right:0;bottom:0;z-index:55;
  background:var(--surface);
  padding:8px 20px 28px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
@media (min-width:1024px){.drawer{display:none}}
.drawer a.d-link{
  display:flex;align-items:center;height:56px;
  font-size:18px;font-weight:600;border-bottom:1px solid var(--line);
}
.drawer a.d-link.is-active{color:var(--brand)}
.drawer .d-search{margin-top:20px;display:flex;gap:10px}

/* ============ 按钮 / 徽标 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;
  font-size:15px;font-weight:700;letter-spacing:-.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -16px rgba(108,60,245,.75)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-brand)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{filter:brightness(.94)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:#F3EFFF;color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  border-bottom:1px solid transparent;padding-bottom:1px;
}
.btn-text:hover{border-bottom-color:var(--brand)}

.badge{
  display:inline-flex;align-items:center;gap:4px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:0;white-space:nowrap;
}
.badge-brand{background:rgba(108,60,245,.1);color:var(--brand)}
.badge-update{background:rgba(255,138,61,.12);color:#B85A1B}
.badge-state{background:rgba(182,240,74,.32);color:var(--ink)}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
@media (max-width:1023px){.section{padding:56px 0}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:32px;flex-wrap:wrap;
}
.section-title{
  font-size:34px;font-weight:800;position:relative;padding-left:18px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:999px;background:var(--brand);
}
@media (max-width:767px){.section-title{font-size:24px}}
.section-desc{font-size:14px;color:var(--ink-3);margin-top:10px;padding-left:18px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:48px 0 64px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.07;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,246,242,.6) 0%,rgba(247,246,242,.95) 70%,var(--bg) 100%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line-dash)}
.crumbs .current{color:var(--ink);font-weight:600}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:48px;align-items:start;margin-top:28px;
}
@media (max-width:1023px){.hero-grid{grid-template-columns:1fr;gap:32px}}
.hero-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.hero h1{
  font-size:clamp(30px,4vw,46px);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;
}
.hero h1 .hl{
  background-image:linear-gradient(transparent 64%,rgba(182,240,74,.85) 64%);
  padding:0 2px;
}
.hero-sub{font-size:18px;color:var(--ink-2);margin-top:18px;max-width:560px}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-stats{
  display:flex;gap:28px;flex-wrap:wrap;margin-top:32px;
  padding-top:22px;border-top:1px dashed var(--line-dash);
}
.hero-stats div{font-size:13px;color:var(--ink-3)}
.hero-stats strong{
  display:block;font-size:20px;font-weight:800;color:var(--ink);
  letter-spacing:-.02em;margin-bottom:2px;
}
@media (max-width:639px){
  .hero-actions .btn{width:100%;height:44px}
  .hero-stats{gap:20px}
}

/* 评分汇总卡 */
.score-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--shadow-1);
}
.score-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.score-kicker{font-size:13px;color:var(--ink-3);letter-spacing:.04em}
.score-big{display:flex;align-items:baseline;gap:6px;margin-top:4px}
.score-num{font-size:56px;font-weight:800;line-height:1;letter-spacing:-.03em;color:var(--ink)}
.score-max{font-size:16px;color:var(--ink-3);font-weight:600}
.stars{color:var(--accent-2);font-size:16px;letter-spacing:3px;margin-top:8px;line-height:1}
.score-sample{font-size:13px;color:var(--ink-3);margin-top:10px}
.dist{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.dist-row{display:grid;grid-template-columns:46px minmax(0,1fr) 44px;align-items:center;gap:10px}
.dist-label{font-size:13px;color:var(--ink-3)}
.dist-track{height:6px;border-radius:999px;background:#ECE9E1;overflow:hidden}
.dist-fill{height:100%;border-radius:999px;background:var(--brand)}
.dist-num{font-size:13px;color:var(--ink-2);text-align:right}
@media (max-width:639px){
  .score-card{padding:20px}
  .score-num{font-size:48px}
}

/* ============ 维度卡 ============ */
.dim-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
@media (max-width:1023px){.dim-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:519px){.dim-grid{grid-template-columns:1fr}}
.dim-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:22px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.dim-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DBD6C9}
.dim-name{font-size:18px;font-weight:700;letter-spacing:-.01em}
.dim-score{
  font-size:28px;font-weight:800;color:var(--brand);
  letter-spacing:-.03em;line-height:1.1;margin-top:10px;
}
.dim-score span{font-size:14px;color:var(--ink-3);font-weight:600;margin-left:2px}
.dim-note{font-size:14px;color:var(--ink-2);margin-top:10px}

/* ============ 评测卡 ============ */
.review-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px 20px;
}
@media (max-width:767px){.review-grid{grid-template-columns:1fr}}
.review-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:22px;display:flex;flex-direction:column;gap:14px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DBD6C9}
.review-head{display:flex;align-items:center;gap:12px}
.review-avatar{
  width:48px;height:48px;border-radius:12px;object-fit:cover;
  border:1px solid var(--line);flex:none;
}
.review-id{display:flex;flex-direction:column;min-width:0}
.review-name{font-size:16px;font-weight:700;letter-spacing:-.01em;line-height:1.4}
.review-meta{font-size:13px;color:var(--ink-3);line-height:1.5}
.review-stars{
  margin-left:auto;color:var(--accent-2);font-size:14px;letter-spacing:2px;
  white-space:nowrap;line-height:1;
}
.review-body{font-size:15px;line-height:1.8;color:var(--ink-2)}
.review-foot{
  display:flex;align-items:center;gap:12px;padding-top:12px;
  border-top:1px dashed var(--line-dash);
}
.review-foot time{font-size:13px;color:var(--ink-3);margin-left:auto}

/* ============ 精选长评 ============ */
.feature{
  background:var(--ink);border-radius:24px;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:0;color:#F2F1EC;
}
@media (max-width:899px){.feature{grid-template-columns:1fr}}
.feature-media{position:relative;min-height:280px}
.feature-media img{width:100%;height:100%;object-fit:cover;display:block}
.feature-body{padding:40px}
@media (max-width:899px){.feature-body{padding:28px 22px}}
.feature-label{
  font-size:13px;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;margin-bottom:14px;
}
.feature-title{
  font-size:28px;font-weight:800;line-height:1.25;letter-spacing:-.02em;
  color:#fff;
}
@media (max-width:767px){.feature-title{font-size:22px}}
.feature-quote{
  margin-top:18px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.72);
  border-left:3px solid var(--accent);padding-left:16px;
}
.feature-sign{
  display:flex;align-items:center;gap:10px;margin-top:24px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.feature-sign .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ FAQ ============ */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  min-height:58px;padding:16px 20px;
  font-size:15px;font-weight:700;color:var(--ink);
  transition:color var(--t),background var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .plus{
  margin-left:auto;flex:none;width:24px;height:24px;position:relative;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);
  border-radius:2px;transform:translate(-50%,-50%);
  transition:transform var(--t),opacity var(--t),background var(--t);
}
.faq-item summary .plus::before{width:14px;height:2px}
.faq-item summary .plus::after{width:2px;height:14px}
.faq-item[open] summary .plus::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-item[open]{background:#FCFBF8}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);
}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}
@media (max-width:767px){.faq-answer{padding:0 16px 18px;font-size:14px}}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 8px}
.cta{
  background:var(--brand);color:#fff;border-radius:24px;
  padding:52px 48px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-title{font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:#fff}
@media (max-width:767px){.cta-title{font-size:24px}}
.cta-note{font-size:15px;color:rgba(255,255,255,.82);margin-top:12px}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;flex:none}
@media (max-width:899px){
  .cta{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:140px;height:44px}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F2F1EC;padding-top:56px;margin-top:80px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;
}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:519px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.footer-brand .logo-main{color:#fff;font-size:20px}
.footer-brand .logo-sub{color:rgba(255,255,255,.55)}
.footer-brand p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.8;margin-top:16px;max-width:360px}
.footer-keys{display:flex;flex-wrap:wrap;gap:16px;margin-top:18px}
.footer-keys a{font-size:13px;color:rgba(255,255,255,.72);border-bottom:1px solid transparent;padding-bottom:1px}
.footer-keys a:hover{color:#fff;border-bottom-color:var(--accent)}
.footer-col h4{
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);margin:0 0 16px;font-weight:700;
}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  border-bottom:1px solid transparent;padding-bottom:1px;
}
.footer-col a:hover{color:#fff;border-bottom-color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom .sp{color:rgba(255,255,255,.6)}
.footer-bottom .sp:hover{color:#fff}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .dim-card:hover,.review-card:hover,.btn-primary:hover{transform:none}
}