/* roulang page: index */
:root{
  --brand-700:#10419C;
  --brand-600:#1A5FD6;
  --brand-500:#2E77F0;
  --brand-100:#DCE9FD;
  --brand-50:#EFF5FE;
  --orange:#FF7A2F;
  --orange-hover:#E85F12;
  --orange-50:#FFF1E8;
  --mint:#1FBF9C;
  --mint-50:#E7F8F4;
  --mint-deep:#0C7A63;
  --warn:#FFB020;
  --warn-50:#FFF6E5;
  --text:#0D1B2E;
  --text-2:#5A6E86;
  --text-3:#93A3B6;
  --line:#E2EAF4;
  --line-strong:#C9DBF5;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --soft:#EFF5FE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,80,.04);
  --sh-2:0 8px 24px rgba(18,59,122,.06);
  --sh-3:0 18px 40px rgba(18,59,122,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-700);text-decoration:underline}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:-.2px}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px}
.container{max-width:var(--max);margin:0 auto;padding:0 32px;width:100%}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease)}
.site-header.is-stuck{box-shadow:var(--sh-1)}
.nav-top{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-600);position:relative;flex-shrink:0;box-shadow:var(--sh-1)}
.logo-mark::before{content:"";position:absolute;inset:9px 9px auto auto;width:8px;height:8px;border-radius:2px;background:#fff}
.logo-mark::after{content:"";position:absolute;left:9px;bottom:9px;width:16px;height:8px;border-radius:2px;background:rgba(255,255,255,.65)}
.logo-text{font-size:20px;font-weight:800;color:var(--text);letter-spacing:.5px;white-space:nowrap}
.nav-search{flex:1;max-width:280px;position:relative}
.nav-search input{width:100%;height:38px;border-radius:var(--r-pill);border:1px solid transparent;background:#F2F6FC;padding:0 16px 0 38px;font-size:14px;color:var(--text);transition:all .2s var(--ease)}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(46,119,240,.12)}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--text-3);fill:none;stroke-width:2}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-link{font-size:14px;color:var(--text-2);font-weight:500}
.nav-link:hover{color:var(--brand-600);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-md);font-size:15px;font-weight:600;transition:all .2s var(--ease);white-space:nowrap}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.22)}
.btn-primary:hover{background:var(--orange-hover);color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand-600);border:1px solid var(--brand-600)}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{height:40px;padding:0 18px;font-size:14px;background:var(--brand-600);color:#fff;border-radius:10px}
.btn-ghost:hover{background:var(--brand-700);color:#fff;text-decoration:none}
.btn-text{color:var(--brand-600);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.btn-text .arw{transition:transform .2s var(--ease)}
.btn-text:hover{text-decoration:none;color:var(--brand-700)}
.btn-text:hover .arw{transform:translateX(3px)}
.nav-burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;background:#fff}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text);position:relative;transition:.2s var(--ease)}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);transition:.2s var(--ease)}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}

.nav-channels{background:var(--soft);border-top:1px solid var(--line)}
.channel-scroll{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;transition:all .2s var(--ease)}
.pill:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none}
.pill.active{background:var(--brand-600);color:#fff;box-shadow:var(--sh-1)}
.pill.active:hover{background:var(--brand-700);color:#fff}

.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 18px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:0}

/* ---------- Hero ---------- */
.hero{padding:56px 0 64px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--brand-50);color:var(--brand-700);font-size:13px;font-weight:600;border:1px solid var(--brand-100)}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}
.hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.25;letter-spacing:-.5px;margin-top:20px}
.hero h1 em{font-style:normal;color:var(--brand-600)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.75;color:var(--text-2);max-width:560px}
.hero-btns{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-trust{display:flex;gap:24px;margin-top:30px;flex-wrap:wrap}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.hero-trust svg{width:16px;height:16px;stroke:var(--mint);fill:none;stroke-width:2.2;flex-shrink:0}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-xl);border:1px solid #fff;box-shadow:var(--sh-3);background:var(--soft)}
.hero-float{position:absolute;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-2);padding:12px 16px;border:1px solid var(--line)}
.hero-float .fig{font-size:20px;font-weight:800;color:var(--brand-700);line-height:1.2}
.hero-float .lbl{font-size:12px;color:var(--text-3);margin-top:2px}
.hf-1{right:-18px;bottom:52px}
.hf-2{right:26px;bottom:-16px}
.hf-2 .fig{color:var(--mint-deep)}

/* ---------- 数据条 ---------- */
.stats{padding:0 0 8px}
.stats-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);display:grid;grid-template-columns:repeat(4,1fr);padding:28px 8px}
.stat-item{text-align:center;padding:0 16px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:32px;font-weight:800;color:var(--brand-700);letter-spacing:-.5px;line-height:1.2}
.stat-num span{font-size:16px;font-weight:600;color:var(--brand-500);margin-left:2px}
.stat-lbl{font-size:13px;color:var(--text-2);margin-top:6px}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section.alt{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.8vw,34px)}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow::before{content:"";position:absolute;top:26px;left:6%;right:6%;border-top:1px dashed var(--line-strong);z-index:0}
.flow-card{position:relative;z-index:1;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 20px;box-shadow:var(--sh-1);transition:all .22s var(--ease)}
.flow-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.flow-idx{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--brand-100);color:var(--brand-600);font-size:14px;font-weight:700;background:#fff;margin-bottom:14px}
.flow-card:nth-child(2) .flow-idx{color:var(--orange);border-color:#FFD9C2;background:var(--orange-50)}
.flow-card h3{font-size:16px;margin-bottom:8px}
.flow-card p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 奖励预览 ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;gap:20px}
.reward-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:all .22s var(--ease);display:flex;flex-direction:column}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.reward-card.big{grid-column:span 2;grid-row:span 2}
.reward-thumb{position:relative;overflow:hidden;background:var(--soft)}
.reward-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.reward-card:hover .reward-thumb img{transform:scale(1.03)}
.reward-card.small .reward-thumb{aspect-ratio:4/3}
.reward-card.big .reward-thumb{aspect-ratio:16/10}
.rarity{position:absolute;top:12px;right:12px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);line-height:1.6}
.r-mint{background:var(--mint-50);color:var(--mint-deep)}
.r-orange{background:var(--orange-50);color:var(--orange-hover)}
.r-blue{background:var(--brand-50);color:var(--brand-700)}
.reward-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.reward-body h3{font-size:16px;line-height:1.45}
.reward-card.big .reward-body h3{font-size:20px}
.reward-body p{font-size:13px;color:var(--text-2);line-height:1.65}

/* ---------- 任务进度 ---------- */
.progress-wrap{display:grid;grid-template-columns:40fr 60fr;gap:56px;align-items:start}
.progress-intro h2{font-size:clamp(24px,2.8vw,34px)}
.progress-intro p{margin-top:16px;font-size:15px;color:var(--text-2)}
.progress-intro .btn{margin-top:26px}
.task-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:8px 24px;box-shadow:var(--sh-1)}
.task-row{display:grid;grid-template-columns:1fr 116px 56px auto;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);min-height:56px}
.task-row:last-child{border-bottom:0}
.task-name{font-size:15px;font-weight:500}
.task-bar{height:8px;border-radius:var(--r-pill);background:#E8EEF7;overflow:hidden}
.task-bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--mint)}
.task-pct{font-size:13px;color:var(--text-2);text-align:right}
.badge{font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);white-space:nowrap;line-height:1.7}
.b-doing{background:var(--warn-50);color:#9A6100}
.b-ready{background:var(--orange-50);color:var(--orange-hover)}
.b-done{background:var(--mint-50);color:var(--mint-deep)}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-50);border-radius:var(--r-xl);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;border:1px solid var(--brand-100)}
.cta-band::after{content:"";position:absolute;top:-40px;right:-40px;width:180px;height:180px;background-image:radial-gradient(var(--brand-500) 1.5px,transparent 1.5px);background-size:14px 14px;opacity:.08;pointer-events:none}
.cta-band h2{font-size:clamp(22px,2.4vw,28px)}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px}
.cta-band .btn{flex-shrink:0}

/* ---------- 最新信息 CMS ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.news-head h2{font-size:clamp(24px,2.8vw,34px)}
.news-head .sub{margin-top:10px;font-size:15px;color:var(--text-2)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:all .22s var(--ease)}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--soft);position:relative}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand-700);background:var(--brand-50);border-radius:var(--r-pill);padding:2px 10px}
.news-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--brand-600);text-decoration:none}
.news-excerpt{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.news-link{font-size:13px;font-weight:600;color:var(--brand-600);white-space:nowrap}
.news-link:hover{text-decoration:none;color:var(--brand-700)}
.empty-state{grid-column:1/-1;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:40px 20px;background:var(--card);border:1px dashed var(--line-strong);border-radius:var(--r-lg)}
.empty-state svg{width:48px;height:48px;stroke:var(--text-3);fill:none;stroke-width:1.5}
.empty-state strong{font-size:16px;font-weight:600}
.empty-state span{font-size:13px;color:var(--text-2)}
.empty-state .btn{margin-top:6px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:38fr 62fr;gap:56px;align-items:start}
.faq-intro h2{font-size:clamp(24px,2.8vw,34px)}
.faq-intro p{margin-top:16px;font-size:15px;color:var(--text-2)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.open{border-color:var(--brand-500)}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text);transition:color .2s var(--ease)}
.faq-q:hover{color:var(--brand-700)}
.faq-q .idx{font-size:13px;font-weight:700;color:var(--brand-500);min-width:20px}
.faq-q .txt{flex:1}
.faq-q .sign{width:20px;height:20px;position:relative;flex-shrink:0;transition:transform .25s var(--ease)}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px}
.faq-q .sign::before{top:9px;left:0;width:20px;height:2px}
.faq-q .sign::after{left:9px;top:0;width:2px;height:20px;transition:opacity .2s var(--ease),transform .25s var(--ease)}
.faq-item.open .sign{transform:rotate(45deg)}
.faq-item.open .faq-q .sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 20px 18px 54px;border-top:1px dashed var(--line);margin-top:0;padding-top:16px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:300px;line-height:1.7}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:#fff;transition:all .2s var(--ease)}
.footer-social a:hover{border-color:var(--brand-500);background:var(--brand-50);text-decoration:none}
.footer-social svg{width:16px;height:16px;stroke:var(--text-2);fill:none;stroke-width:1.8}
.footer-social a:hover svg{stroke:var(--brand-600)}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--text)}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand-600);text-decoration:none}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .nav-search{display:none}
  .nav-actions .nav-link{display:none}
  .nav-burger{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero{padding:40px 0 48px}
  .hero-visual{order:2}
  .hf-1{right:12px;bottom:24px}
  .hf-2{right:auto;left:16px;bottom:-14px}
  .section{padding:64px 0}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .reward-card.big{grid-column:span 2;grid-row:auto}
  .progress-wrap{grid-template-columns:1fr;gap:32px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .stats-card{grid-template-columns:repeat(2,1fr);gap:20px 0;padding:22px 6px}
  .stat-item:nth-child(2){border-right:0}
  .stat-item{border-right:0}
  .section{padding:48px 0}
  .hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-sub{font-size:15.5px}
  .hero-btns .btn{flex:1;min-width:140px}
  .hero-trust{gap:14px}
  .reward-grid{grid-template-columns:1fr}
  .reward-card.big{grid-column:span 1}
  .flow{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .task-row{grid-template-columns:1fr auto;row-gap:8px}
  .task-name{grid-column:1/-1}
  .task-bar{grid-column:1/2}
  .task-pct{text-align:left;grid-column:2/3}
  .badge{grid-column:1/-1;justify-self:flex-start}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .news-head{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:24px}
  .cta-band .btn{width:100%}
  .faq-q{padding:16px;font-size:15px;gap:10px}
  .faq-a-inner{padding-left:46px}
}
@media (max-width:479px){
  .hero-btns{flex-direction:column}
  .hero-btns .btn{width:100%}
  .logo-text{font-size:17px}
  .stat-num{font-size:26px}
  .hf-1,.hf-2{position:static;margin-top:12px;display:inline-flex;gap:10px;align-items:baseline}
  .hero-float .lbl{margin-top:0}
}

/* roulang page: article */
:root{
  --brand-700:#10419C;
  --brand-600:#1A5FD6;
  --brand-500:#2E77F0;
  --brand-100:#DCE9FD;
  --brand-50:#EFF5FE;
  --orange:#FF7A2F;
  --orange-hover:#E85F12;
  --orange-50:#FFF1E8;
  --mint:#1FBF9C;
  --mint-50:#E7F8F4;
  --warn:#FFB020;
  --warn-50:#FFF6E5;
  --ink:#0D1B2E;
  --ink-2:#5A6E86;
  --ink-3:#93A3B6;
  --line:#E2EAF4;
  --line-strong:#C9DBF5;
  --bg:#F5F8FD;
  --bg-soft:#EFF5FE;
  --card:#FFFFFF;
  --link:#1A5FD6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,42,80,.04);
  --sh2:0 8px 24px rgba(18,59,122,.06);
  --sh3:0 18px 40px rgba(18,59,122,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--link);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:var(--brand-700);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand-600);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;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-600);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-md) 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh1);}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{width:26px;height:26px;border-radius:8px;background:var(--brand-600);position:relative;flex:none;}
.logo-mark::after{content:"";position:absolute;inset:7px;border:2px solid #fff;border-radius:3px;}
.logo-text{font-size:20px;font-weight:700;letter-spacing:.5px;color:var(--ink);white-space:nowrap;}
.logo:hover .logo-text{color:var(--brand-700);}

.header-search{position:relative;flex:0 1 280px;min-width:0;}
.header-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid transparent;background:#F2F6FC;
  padding:0 44px 0 18px;font-size:14px;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.header-search input::placeholder{color:var(--ink-3);}
.header-search input:focus{outline:none;background:#fff;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(46,119,240,.12);}
.header-search button{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  color:var(--brand-600);transition:background-color .2s var(--ease);
}
.header-search button:hover{background:var(--brand-50);}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px;flex:none;}
.text-link{font-size:14px;color:var(--ink-2);}
.text-link:hover{color:var(--brand-600);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-600);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--line-strong);}

/* ---------- Channel nav ---------- */
.nav-channels{background:#fff;border-bottom:1px solid var(--line);}
.channel-scroll{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:none;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;color:var(--ink-2);
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.pill:hover{background:var(--brand-50);color:var(--brand-600);}
.pill.active{background:var(--brand-600);color:#fff;box-shadow:var(--sh1);}
.pill.active:hover{background:var(--brand-700);color:#fff;}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);
  padding:20px 0 0;overflow:hidden;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:var(--ink-3);flex:none;}
.breadcrumb .current{
  color:var(--ink-3);min-width:0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ---------- Article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;
  gap:40px;padding-top:24px;padding-bottom:72px;align-items:start;
}
.article-body{min-width:0;max-width:760px;}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;
  background:var(--brand-100);color:var(--brand-700);
}
.article-head h1{
  font-size:clamp(26px,3.2vw,38px);line-height:1.32;font-weight:700;
  letter-spacing:-.5px;color:var(--ink);margin:16px 0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong);flex:none;}
.article-meta .num{font-variant-numeric:tabular-nums;}

/* ---------- Prose ---------- */
.prose{
  padding-top:28px;font-size:17px;line-height:1.9;color:#22314A;
  word-wrap:break-word;overflow-wrap:break-word;
}
.prose p{margin:0 0 1.2em;}
.prose h2{
  font-size:24px;font-weight:700;line-height:1.4;color:var(--ink);
  margin:40px 0 16px;padding-left:14px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
  border-radius:2px;background:var(--brand-600);
}
.prose h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);margin:32px 0 12px;}
.prose h4{font-size:17px;font-weight:600;color:var(--ink);margin:24px 0 10px;}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.5em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin:.4em 0;}
.prose ul li::marker{color:var(--brand-600);}
.prose ol li::marker{color:var(--brand-600);font-weight:600;}
.prose blockquote{
  margin:24px 0;padding:16px 24px;
  background:var(--brand-50);border-left:3px solid var(--brand-600);
  border-radius:0 var(--r-md) var(--r-md) 0;color:#33475F;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{max-width:100%;height:auto;border-radius:12px;margin:24px auto;background:#EEF3FA;}
.prose figure{margin:24px 0;}
.prose figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;line-height:1.6;}
.prose a{color:var(--link);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--brand-700);}
.prose strong{font-weight:700;color:var(--ink);}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;line-height:1.6;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.prose th{background:var(--brand-50);font-weight:600;color:var(--ink);}
.prose tbody tr:nth-child(even){background:#F9FBFE;}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- Empty / states ---------- */
.empty-state{
  text-align:center;padding:48px 24px;background:var(--brand-50);
  border-radius:var(--r-lg);border:1px solid var(--line-strong);
}
.empty-icon{
  width:48px;height:48px;margin:0 auto 16px;border-radius:14px;
  border:1.5px solid var(--line-strong);display:grid;place-items:center;color:var(--ink-3);
  background:#fff;
}
.empty-title{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.empty-desc{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:20px;}

/* ---------- Article footer ---------- */
.article-footer{
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.tag-label{font-size:13px;color:var(--ink-3);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--brand-50);color:var(--brand-700);
  font-size:13px;transition:background-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--brand-100);color:var(--brand-700);}

/* ---------- Aside ---------- */
.article-aside{
  position:sticky;top:84px;
  display:flex;flex-direction:column;gap:16px;min-width:0;
}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh1);
}
.aside-title{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  letter-spacing:.3px;margin-bottom:12px;
}
.aside-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand-600);flex:none;}
.aside-links li{border-bottom:1px dashed var(--line);}
.aside-links li:last-child{border-bottom:0;}
.aside-links a{display:block;padding:10px 0;font-size:14px;color:var(--ink-2);line-height:1.65;}
.aside-links li:first-child a{padding-top:2px;}
.aside-links li:last-child a{padding-bottom:2px;}
.aside-links a:hover{color:var(--brand-600);}
.aside-cta p{font-size:13px;color:var(--ink-2);line-height:1.75;margin-bottom:14px;}
.aside-note{
  display:flex;align-items:flex-start;gap:8px;
  font-size:13px;color:var(--ink-2);line-height:1.7;
}
.aside-note .dot-mint{width:8px;height:8px;border-radius:50%;background:var(--mint);margin-top:8px;flex:none;}

/* ---------- Related ---------- */
.related-section{padding:0 0 80px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:24px;
}
.section-title{font-size:24px;font-weight:700;color:var(--ink);letter-spacing:-.3px;line-height:1.35;}
.section-sub{font-size:14px;color:var(--ink-2);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh2);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh3);border-color:var(--line-strong);}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:#EEF3FA;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);}
.card-body h3 a{color:inherit;display:block;}
.card-body h3 a:hover{color:var(--brand-600);}
.card-desc{font-size:14px;line-height:1.7;color:var(--ink-2);}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}
.card-foot .read{color:var(--brand-600);font-weight:500;}
.card-foot .read:hover{color:var(--brand-700);}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:16px 0 20px;max-width:320px;}
.footer-brand .logo-text{font-size:18px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;background:var(--brand-50);
  display:grid;place-items:center;color:var(--brand-600);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.footer-social a:hover{background:var(--brand-100);color:var(--brand-700);}
.footer-social svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:14px;}
.footer-col li+li{margin-top:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--brand-600);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .header-search{display:none;}
  .nav-toggle{display:grid;}
  .nav-channels{display:none;}
  .nav-channels.is-open{display:block;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:56px;}
  .article-aside{position:static;}
  .article-body{max-width:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related-section{padding-bottom:64px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{gap:12px;}
  .logo-text{font-size:17px;}
  .text-link{display:none;}
  .site-header .btn-sm{height:36px;padding:0 14px;font-size:13px;}
  .breadcrumb{padding-top:16px;}
  .article-head h1{font-size:26px;margin:14px 0;}
  .prose{font-size:16px;line-height:1.85;padding-top:24px;}
  .prose h2{font-size:21px;margin-top:32px;}
  .prose h3{font-size:18px;}
  .prose blockquote{padding:14px 18px;}
  .prose table{font-size:14px;}
  .prose th,.prose td{padding:8px 10px;}
  .article-footer{flex-direction:column;align-items:flex-start;}
  .article-footer .btn{width:100%;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .related-section{padding-bottom:48px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .site-footer{padding:48px 0 28px;}
  .footer-bottom{flex-direction:column;margin-top:32px;}
}
@media (max-width:479px){
  .site-header .btn-sm{display:none;}
  .article-head h1{font-size:23px;}
}

/* roulang page: category1 */
:root{
  --brand-700:#10419C;
  --brand-600:#1A5FD6;
  --brand-500:#2E77F0;
  --brand-100:#DCE9FD;
  --brand-50:#EFF5FE;
  --orange:#FF7A2F;
  --orange-hover:#E85F12;
  --orange-50:#FFF1E8;
  --mint:#1FBF9C;
  --mint-50:#E7F8F4;
  --warn:#FFB020;
  --warn-50:#FFF6E5;
  --text:#0D1B2E;
  --text-2:#5A6E86;
  --text-3:#93A3B6;
  --line:#E2EAF4;
  --line-strong:#C9DBF5;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,42,80,.04);
  --sh2:0 8px 24px rgba(18,59,122,.06);
  --sh3:0 18px 40px rgba(18,59,122,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto;background:#E8EEF7}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-700)}
button{font:inherit;cursor:pointer}
input{font:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-600);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}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh1)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;color:var(--text)}
.logo:hover{color:var(--text)}
.logo-mark{
  position:relative;width:30px;height:30px;flex:none;border-radius:9px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  box-shadow:var(--sh1);
}
.logo-mark::after{content:"";position:absolute;inset:9px;border-radius:4px;background:#fff;opacity:.92}
.logo-mark::before{content:"";position:absolute;right:-3px;top:-3px;width:10px;height:10px;border-radius:50%;background:var(--orange);border:2px solid #fff}
.logo-text{font-size:20px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.header-search{position:relative;flex:1 1 auto;max-width:280px;display:flex;align-items:center}
.header-search .search-icon{position:absolute;left:14px;width:16px;height:16px;color:var(--text-3);pointer-events:none}
.header-search input{
  width:100%;height:38px;border-radius:var(--r-pill);
  border:1px solid transparent;background:#F2F6FC;
  padding:0 16px 0 40px;font-size:14px;color:var(--text);
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.header-search input::placeholder{color:var(--text-3)}
.header-search input:focus{outline:none;background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(46,119,240,.12)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.link-quiet{font-size:14px;color:var(--text-2)}
.link-quiet:hover{color:var(--brand-700)}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-md);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.menu-toggle:hover{border-color:var(--line-strong);background:var(--brand-50)}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.mobile-menu{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh2);
  padding:12px 20px 20px;z-index:99;
}
.mobile-menu.is-open{display:block}
.mobile-menu a{
  display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:var(--r-md);
  font-size:15px;color:var(--text-2);
}
.mobile-menu a:hover{background:var(--brand-50);color:var(--brand-700)}
.mobile-menu a.is-current{background:var(--brand-50);color:var(--brand-700);font-weight:600}

/* ---------- 频道行 ---------- */
.nav-channels{background:#EFF5FE;border-bottom:1px solid var(--line)}
.nav-channels .container{padding-top:0;padding-bottom:0}
.channel-scroll{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--text-2);
  white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.pill:hover{background:#fff;color:var(--brand-700)}
.pill.active{background:var(--brand-600);color:#fff;font-weight:600;box-shadow:var(--sh1)}
.pill.active:hover{background:var(--brand-700);color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.22)}
.btn-primary:hover{background:var(--orange-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.28)}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-600)}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}

/* ---------- 首屏 ---------- */
.hero{padding:64px 0 56px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,55fr) minmax(0,45fr);gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--brand-50);color:var(--brand-700);
  font-size:13px;font-weight:600;border:1px solid var(--brand-100);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.hero h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;letter-spacing:-.5px;margin-top:20px}
.hero h1 .hl{color:var(--brand-600)}
.hero-lead{margin-top:18px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:24px;margin-top:28px;font-size:13px;color:var(--text-2)}
.hero-points li{display:flex;align-items:center;gap:7px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);flex:none}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);border:1px solid #fff;box-shadow:var(--sh3);background:#E8EEF7;
}
.hero-float{
  position:absolute;right:-6px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh2);
}
.hero-float strong{display:block;font-size:20px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-float span{font-size:12px;color:var(--text-2)}

/* ---------- 数据条 ---------- */
.stat-strip{padding:8px 0 0}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 8px;box-shadow:var(--sh2);
}
.stat-item{text-align:center;padding:0 16px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item strong{
  display:block;font-size:32px;font-weight:700;color:var(--brand-700);
  letter-spacing:-.5px;font-variant-numeric:tabular-nums;line-height:1.25;
}
.stat-item span{font-size:13px;color:var(--text-2)}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.8vw,34px);letter-spacing:-.3px}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:660px}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more::after{content:"›";font-size:18px;line-height:1;transition:transform .2s var(--ease)}
.link-more:hover{text-decoration:underline}
.link-more:hover::after{transform:translateX(2px)}

/* ---------- 主题卡 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.topic-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:var(--line-strong)}
.topic-icon{
  width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-600);margin-bottom:16px;
}
.topic-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.topic-card h3{font-size:18px;font-weight:600}
.topic-card p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--brand-100);color:var(--brand-700);white-space:nowrap;
}
.tag.mint{background:var(--mint-50);color:#0E8C72}
.tag.orange{background:var(--orange-50);color:#C4520D}
.tag.warn{background:var(--warn-50);color:#9A6300}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.flow-step .num{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--brand-100);
  display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--brand-600);
  font-variant-numeric:tabular-nums;margin-bottom:16px;background:var(--brand-50);
}
.flow-step h3{font-size:17px;font-weight:600}
.flow-step p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2)}

/* ---------- 要闻卡 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:var(--line-strong)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#E8EEF7}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:18px;font-weight:600;line-height:1.5}
.news-body p{
  font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}

/* ---------- 订阅 ---------- */
.subscribe{
  position:relative;overflow:hidden;background:var(--brand-50);
  border-radius:var(--r-xl);padding:40px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;
}
.subscribe::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background-image:radial-gradient(var(--brand-600) 1.6px,transparent 1.6px);
  background-size:16px 16px;opacity:.08;pointer-events:none;
}
.subscribe h2{font-size:clamp(22px,2.4vw,28px);letter-spacing:-.2px}
.subscribe p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:460px}
.sub-form{position:relative;z-index:1;display:flex;gap:12px}
.sub-form input{
  flex:1;min-width:0;height:46px;border-radius:var(--r-md);
  border:1px solid var(--line-strong);background:#fff;padding:0 16px;
  font-size:14px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(46,119,240,.12)}
.form-hint{margin-top:10px;font-size:13px;color:var(--text-2);position:relative;z-index:1}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,40fr) minmax(0,60fr);gap:48px;align-items:start}
.faq-intro p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.8}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:var(--brand-600);box-shadow:var(--sh2)}
.faq-item summary{
  display:flex;align-items:center;gap:12px;padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--text);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-icon{position:relative;width:18px;height:18px;flex:none;margin-left:auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;transition:transform .2s var(--ease)}
.faq-icon::before{left:50%;top:2px;width:2px;height:14px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:2px;width:14px;height:2px;transform:translateY(-50%)}
.faq-item[open] .faq-icon::before{transform:translateX(-50%) scaleY(0)}
.faq-answer{
  padding:16px 20px 18px;border-top:1px dashed var(--line);
  font-size:15px;line-height:1.8;color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:40px;box-shadow:var(--sh2);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;right:-30px;bottom:-30px;width:180px;height:180px;border-radius:50%;
  background:var(--brand-50);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.2px}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 32px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-2);background:#fff;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-100);transform:translateY(-1px)}
.footer-social svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand-700)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .topic-grid,.flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .header-search{display:none}
  .link-quiet{display:none}
  .menu-toggle{display:inline-flex}
  .hero{padding:48px 0 40px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .hero-media{order:2}
  .hero-float{right:12px;bottom:-16px}
  .section{padding:64px 0}
  .subscribe{grid-template-columns:minmax(0,1fr);padding:32px}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-band{padding:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{gap:16px}
  .logo-text{font-size:18px}
  .hero h1{font-size:clamp(28px,7.4vw,34px)}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-actions .btn-ghost{width:100%}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:20px 0}
  .stat-item{padding:14px 12px;border-right:0;border-bottom:1px solid var(--line)}
  .stat-item:nth-child(odd){border-right:1px solid var(--line)}
  .stat-item:nth-last-child(-n+2){border-bottom:0}
  .stat-item strong{font-size:26px}
  .topic-grid,.flow-grid,.news-grid{grid-template-columns:minmax(0,1fr)}
  .section{padding:48px 0}
  .subscribe{padding:24px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .cta-band{padding:24px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .site-footer{padding:48px 0 24px;margin-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:519px){
  .hero h1{font-size:26px;letter-spacing:-.2px}
  .section-head h2{font-size:22px}
  .hero-float{padding:10px 12px}
  .hero-float strong{font-size:17px}
}

/* roulang page: category2 */
:root{
    --brand-700:#10419C;
    --brand-600:#1A5FD6;
    --brand-500:#2E77F0;
    --brand-100:#DCE9FD;
    --brand-50:#EFF5FE;
    --orange:#FF7A2F;
    --orange-hover:#E85F12;
    --orange-50:#FFF1E8;
    --mint:#1FBF9C;
    --mint-50:#E7F8F4;
    --warn:#FFB020;
    --warn-50:#FFF6E5;
    --text:#0D1B2E;
    --text-2:#5A6E86;
    --text-3:#93A3B6;
    --line:#E2EAF4;
    --line-strong:#C9DBF5;
    --bg:#F5F8FD;
    --card:#FFFFFF;
    --soft:#EFF5FE;
    --r-s:8px;
    --r-m:12px;
    --r-l:16px;
    --r-xl:24px;
    --sh1:0 1px 2px rgba(16,42,80,.04);
    --sh2:0 8px 24px rgba(18,59,122,.06);
    --sh3:0 18px 40px rgba(18,59,122,.10);
    --ease:cubic-bezier(.2,.7,.3,1);
    --header-h:64px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
  a:hover{color:var(--brand-700)}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4,p{margin:0}
  svg{display:block}
  :focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
  .num{font-variant-numeric:tabular-nums}

  .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;
  }

  /* ---------- 头部 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:#fff;
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:var(--sh2)}
  .header-top{
    display:flex;
    align-items:center;
    gap:24px;
    height:var(--header-h);
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text);
    flex:0 0 auto;
  }
  .logo:hover{color:var(--text)}
  .logo-mark{
    position:relative;
    width:30px;height:30px;
    border-radius:9px;
    background:var(--brand-600);
    box-shadow:var(--sh1);
    flex:0 0 auto;
  }
  .logo-mark::before{
    content:"";
    position:absolute;
    inset:8px;
    border:2px solid #fff;
    border-radius:4px;
    opacity:.92;
  }
  .logo-mark::after{
    content:"";
    position:absolute;
    right:-3px;bottom:-3px;
    width:12px;height:12px;
    border-radius:50%;
    background:var(--orange);
    border:2px solid #fff;
  }
  .logo-text{
    font-size:19px;
    font-weight:700;
    letter-spacing:.5px;
    white-space:nowrap;
  }
  .nav-search{
    flex:1 1 auto;
    max-width:280px;
    margin-left:auto;
  }
  .nav-search input{
    width:100%;
    height:40px;
    border-radius:999px;
    border:1px solid transparent;
    background:#F2F6FC;
    padding:0 18px;
    font-size:14px;
    color:var(--text);
    transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .nav-search input::placeholder{color:var(--text-3)}
  .nav-search input:focus{
    outline:none;
    background:#fff;
    border-color:var(--brand-500);
    box-shadow:0 0 0 3px rgba(46,119,240,.14);
  }
  .nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
  .nav-link{
    font-size:14px;
    color:var(--text-2);
    font-weight:500;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand-700)}
  .nav-burger{
    display:none;
    width:44px;height:44px;
    border-radius:var(--r-m);
    border:1px solid var(--line);
    align-items:center;
    justify-content:center;
    background:#fff;
  }
  .nav-burger span{
    display:block;
    width:18px;height:2px;
    background:var(--text);
    border-radius:2px;
    position:relative;
  }
  .nav-burger span::before,
  .nav-burger span::after{
    content:"";
    position:absolute;left:0;
    width:18px;height:2px;background:var(--text);border-radius:2px;
  }
  .nav-burger span::before{top:-6px}
  .nav-burger span::after{top:6px}

  .mobile-menu{
    display:none;
    border-top:1px solid var(--line);
    background:#fff;
    padding:12px 0 18px;
  }
  .mobile-menu.open{display:block}
  .mobile-menu a{
    display:flex;
    align-items:center;
    min-height:48px;
    padding:0 4px;
    font-size:15px;
    color:var(--text-2);
    border-bottom:1px solid var(--line);
  }
  .mobile-menu a:last-child{border-bottom:0}
  .mobile-menu a.active{color:var(--brand-700);font-weight:600}

  /* 频道导航 */
  .nav-channels{
    background:var(--soft);
    border-bottom:1px solid var(--line);
  }
  .channel-scroll{
    display:flex;
    gap:8px;
    overflow-x:auto;
    padding:7px 0;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .channel-scroll::-webkit-scrollbar{display:none}
  .pill{
    display:inline-flex;
    align-items:center;
    height:34px;
    padding:0 16px;
    border-radius:999px;
    font-size:14px;
    color:var(--text-2);
    white-space:nowrap;
    transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .pill:hover{background:#fff;color:var(--brand-700)}
  .pill.active{
    background:var(--brand-600);
    color:#fff;
    box-shadow:var(--sh1);
  }
  .pill.active:hover{background:var(--brand-700);color:#fff}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:var(--r-m);
    font-size:15px;
    font-weight:600;
    line-height:1;
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-primary{
    background:var(--orange);
    color:#fff;
    box-shadow:0 6px 16px rgba(255,122,47,.22);
  }
  .btn-primary:hover{background:var(--orange-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,95,18,.26)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(232,95,18,.2)}
  .btn-ghost{
    background:#fff;
    color:var(--brand-600);
    border:1px solid var(--brand-500);
  }
  .btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-text{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--brand-600);
    font-weight:600;
    font-size:15px;
  }
  .btn-text .arrow{transition:transform .2s var(--ease)}
  .btn-text:hover .arrow{transform:translateX(3px)}
  .btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:10px}

  /* ---------- 通用板块 ---------- */
  .section{padding:80px 0}
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{margin-bottom:32px;max-width:760px}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:28px;
    padding:0 14px;
    border-radius:999px;
    background:var(--brand-50);
    color:var(--brand-700);
    font-size:13px;
    font-weight:600;
    letter-spacing:.2px;
    border:1px solid var(--brand-100);
  }
  .eyebrow.on-orange{background:var(--orange-50);color:var(--orange-hover);border-color:#FFDCC6}
  h1,h2,h3{letter-spacing:-.3px}
  .h2{
    font-size:clamp(24px,2.8vw,34px);
    font-weight:700;
    line-height:1.3;
    margin-top:16px;
  }
  .section-desc{
    margin-top:14px;
    font-size:16px;
    color:var(--text-2);
    max-width:700px;
  }

  /* ---------- 首屏 ---------- */
  .page-hero{
    position:relative;
    background:#fff;
    border-bottom:1px solid var(--line);
    padding:44px 0 56px;
    overflow:hidden;
  }
  .page-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:radial-gradient(680px 320px at 88% 0%,rgba(26,95,214,.08),transparent 70%);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;
    display:grid;
    grid-template-columns:minmax(0,55fr) minmax(0,45fr);
    gap:48px;
    align-items:center;
  }
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:22px;
  }
  .breadcrumb a{color:var(--text-2)}
  .breadcrumb a:hover{color:var(--brand-700)}
  .breadcrumb .current{color:var(--text);font-weight:600}
  .page-hero h1{
    font-size:clamp(30px,4.2vw,46px);
    font-weight:700;
    line-height:1.25;
    letter-spacing:-.5px;
    margin-top:18px;
  }
  .hero-sub{
    margin-top:18px;
    font-size:17px;
    line-height:1.7;
    color:var(--text-2);
    max-width:560px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:28px;
  }
  .hero-facts{
    display:flex;
    flex-wrap:wrap;
    gap:24px;
    margin-top:28px;
  }
  .hero-facts li{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-2);
  }
  .fact-dot{
    width:18px;height:18px;
    border-radius:50%;
    background:var(--mint-50);
    border:1px solid #BFEDE3;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex:0 0 auto;
  }
  .fact-dot::before{
    content:"";
    width:6px;height:6px;
    border-radius:50%;
    background:var(--mint);
  }
  .hero-media{
    position:relative;
  }
  .hero-media img{
    width:100%;
    aspect-ratio:16/11;
    object-fit:cover;
    border-radius:var(--r-xl);
    border:1px solid #fff;
    box-shadow:var(--sh3);
    background:var(--soft);
  }
  .hero-badge{
    position:absolute;
    right:16px;
    bottom:-18px;
    background:#fff;
    border-radius:var(--r-m);
    box-shadow:var(--sh2);
    border:1px solid var(--line);
    padding:12px 18px;
    display:flex;
    align-items:center;
    gap:12px;
  }
  .hero-badge strong{
    font-size:24px;
    font-weight:700;
    line-height:1;
    color:var(--brand-700);
    font-variant-numeric:tabular-nums;
  }
  .hero-badge span{
    font-size:12px;
    color:var(--text-2);
    line-height:1.4;
  }

  /* ---------- 数据条 ---------- */
  .stats-strip{
    margin-top:-32px;
    position:relative;
    z-index:2;
  }
  .stats-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-l);
    box-shadow:var(--sh2);
    display:grid;
    grid-template-columns:repeat(4,1fr);
    overflow:hidden;
  }
  .stat{
    padding:24px 26px;
    border-right:1px solid var(--line);
  }
  .stat:last-child{border-right:0}
  .stat b{
    display:block;
    font-size:30px;
    font-weight:700;
    line-height:1.1;
    color:var(--brand-700);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.5px;
  }
  .stat span{
    display:block;
    margin-top:6px;
    font-size:13px;
    color:var(--text-2);
  }

  /* ---------- 步骤流程 ---------- */
  .steps{border-top:1px solid var(--line)}
  .step{
    display:grid;
    grid-template-columns:56px minmax(0,1fr) 300px;
    gap:32px;
    align-items:center;
    padding:30px 0;
    border-bottom:1px dashed var(--line-strong);
  }
  .step:first-child{border-top:0}
  .step:nth-child(even){grid-template-columns:56px 300px minmax(0,1fr)}
  .step:nth-child(even) .step-media{grid-column:2;grid-row:1}
  .step:nth-child(even) .step-body{grid-column:3;grid-row:1}
  .step-num{
    grid-column:1;grid-row:1;
    font-size:40px;
    font-weight:700;
    line-height:1;
    color:rgba(26,95,214,.14);
    font-variant-numeric:tabular-nums;
    letter-spacing:-1px;
  }
  .step-body h3{
    font-size:20px;
    font-weight:600;
    line-height:1.4;
  }
  .step-body p{
    margin-top:10px;
    font-size:15px;
    line-height:1.8;
    color:var(--text-2);
    max-width:620px;
  }
  .step-tag{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 10px;
    margin-top:14px;
    border-radius:999px;
    background:var(--brand-50);
    color:var(--brand-700);
    font-size:12px;
    font-weight:600;
    border:1px solid var(--brand-100);
  }
  .step-media{
    position:relative;
    border-radius:var(--r-l);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--sh1);
    background:var(--soft);
  }
  .step-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    transition:transform .24s var(--ease);
  }
  .step-media:hover img{transform:scale(1.03)}

  /* ---------- 三步上手 ---------- */
  .starter-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    align-items:start;
  }
  .starter-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-l);
    padding:26px 24px;
    box-shadow:var(--sh1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .starter-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:var(--line-strong)}
  .starter-card:nth-child(2){padding-top:34px;padding-bottom:34px}
  .starter-top{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:14px;
  }
  .starter-icon{
    width:42px;height:42px;
    border-radius:var(--r-m);
    background:var(--brand-50);
    border:1px solid var(--brand-100);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex:0 0 auto;
  }
  .starter-icon svg{
    width:20px;height:20px;
    fill:none;
    stroke:var(--brand-600);
    stroke-width:1.8;
    stroke-linecap:round;
    stroke-linejoin:round;
  }
  .starter-card:nth-child(2) .starter-icon{background:var(--orange-50);border-color:#FFDCC6}
  .starter-card:nth-child(2) .starter-icon svg{stroke:var(--orange-hover)}
  .starter-card:nth-child(3) .starter-icon{background:var(--mint-50);border-color:#BFEDE3}
  .starter-card:nth-child(3) .starter-icon svg{stroke:#158B72}
  .starter-no{
    font-size:13px;
    font-weight:700;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
    letter-spacing:1px;
  }
  .starter-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
  .starter-card p{font-size:14.5px;line-height:1.75;color:var(--text-2)}

  /* ---------- 误区清单 ---------- */
  .pitfall-list{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-l);
    overflow:hidden;
    box-shadow:var(--sh1);
  }
  .pitfall-item{
    display:grid;
    grid-template-columns:auto minmax(0,1fr) auto;
    gap:18px;
    align-items:start;
    padding:22px 26px;
    border-bottom:1px solid var(--line);
    transition:background .2s var(--ease);
  }
  .pitfall-item:last-child{border-bottom:0}
  .pitfall-item:hover{background:#FAFCFF}
  .pitfall-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:26px;height:26px;
    border-radius:50%;
    background:var(--warn-50);
    color:#9A6400;
    font-size:13px;
    font-weight:700;
    flex:0 0 auto;
    margin-top:2px;
  }
  .pitfall-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
  .pitfall-item p{font-size:14.5px;line-height:1.75;color:var(--text-2)}
  .pitfall-fix{
    font-size:13px;
    font-weight:600;
    color:#158B72;
    background:var(--mint-50);
    border:1px solid #BFEDE3;
    border-radius:999px;
    padding:4px 12px;
    white-space:nowrap;
    align-self:center;
  }

  /* ---------- FAQ ---------- */
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-m);
    margin-bottom:12px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .faq-item:hover{border-color:var(--line-strong)}
  .faq-item[open]{
    border-color:var(--brand-500);
    box-shadow:var(--sh1);
  }
  .faq-item summary{
    list-style:none;
    display:flex;
    align-items:center;
    gap:16px;
    padding:18px 20px;
    cursor:pointer;
    font-size:16px;
    font-weight:600;
    color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-index{
    font-size:13px;
    font-weight:700;
    color:var(--text-3);
    font-variant-numeric:tabular-nums;
    flex:0 0 auto;
  }
  .faq-q{flex:1 1 auto}
  .faq-icon{
    position:relative;
    width:20px;height:20px;
    flex:0 0 auto;
    transition:transform .2s var(--ease);
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:var(--brand-600);
    border-radius:2px;
  }
  .faq-icon::before{left:0;top:9px;width:20px;height:2px}
  .faq-icon::after{left:9px;top:0;width:2px;height:20px}
  .faq-item[open] .faq-icon{transform:rotate(45deg)}
  .faq-answer{
    padding:0 20px 20px 48px;
    color:var(--text-2);
    font-size:15px;
    line-height:1.8;
    border-top:1px dashed var(--line);
    padding-top:16px;
    margin:0 20px 0 20px;
    padding-left:28px;
    padding-right:0;
  }

  /* ---------- CTA ---------- */
  .cta-banner{
    position:relative;
    background:var(--brand-50);
    border-radius:var(--r-xl);
    padding:40px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    overflow:hidden;
    border:1px solid var(--brand-100);
  }
  .cta-banner::after{
    content:"";
    position:absolute;
    right:-30px;top:-30px;
    width:200px;height:200px;
    background-image:radial-gradient(rgba(26,95,214,.35) 1.4px,transparent 1.4px);
    background-size:16px 16px;
    opacity:.08;
    pointer-events:none;
  }
  .cta-copy{position:relative;z-index:1}
  .cta-copy h2{
    font-size:clamp(22px,2.4vw,28px);
    font-weight:700;
    line-height:1.35;
  }
  .cta-copy p{
    margin-top:10px;
    font-size:15px;
    color:var(--text-2);
    max-width:560px;
  }
  .cta-banner .btn{position:relative;z-index:1;flex:0 0 auto}

  /* ---------- 相关分类 ---------- */
  .related-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
    margin-top:32px;
  }
  .related-card{
    display:flex;
    gap:20px;
    align-items:center;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-l);
    padding:20px;
    color:var(--text);
    box-shadow:var(--sh1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .related-card:hover{
    transform:translateY(-2px);
    box-shadow:var(--sh2);
    border-color:var(--line-strong);
    color:var(--text);
  }
  .related-thumb{
    flex:0 0 112px;
    border-radius:var(--r-m);
    overflow:hidden;
    background:var(--soft);
  }
  .related-thumb img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:transform .24s var(--ease);
  }
  .related-card:hover .related-thumb img{transform:scale(1.04)}
  .related-body h3{font-size:18px;font-weight:600;margin-bottom:6px}
  .related-body p{font-size:14px;color:var(--text-2);line-height:1.7}
  .related-body .btn-text{margin-top:10px;font-size:14px}
  .back-row{margin-top:32px;display:flex;justify-content:center}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#F5F8FD;
    border-top:1px solid var(--line);
    padding:64px 0 32px;
    margin-top:0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
    gap:48px;
    padding-bottom:40px;
  }
  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    line-height:1.8;
    color:var(--text-2);
    max-width:340px;
  }
  .footer-social{
    display:flex;
    gap:12px;
    margin-top:20px;
  }
  .footer-social a{
    width:38px;height:38px;
    border-radius:50%;
    border:1px solid var(--line);
    background:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--text-2);
    transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .footer-social a:hover{color:var(--brand-600);border-color:var(--line-strong);transform:translateY(-1px)}
  .footer-social svg{
    width:18px;height:18px;
    fill:none;
    stroke:currentColor;
    stroke-width:1.7;
    stroke-linecap:round;
    stroke-linejoin:round;
  }
  .footer-col h4{
    font-size:14px;
    font-weight:600;
    color:var(--text);
    margin-bottom:16px;
  }
  .footer-col li{margin-bottom:10px}
  .footer-col a{
    font-size:14px;
    color:var(--text-2);
  }
  .footer-col a:hover{color:var(--brand-700)}
  .footer-bottom{
    border-top:1px solid var(--line);
    padding-top:24px;
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:10px;
    font-size:13px;
    color:var(--text-3);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1100px){
    .step,
    .step:nth-child(even){grid-template-columns:48px minmax(0,1fr) 240px}
    .step:nth-child(even){grid-template-columns:48px 240px minmax(0,1fr)}
  }

  @media (max-width:1023px){
    .container{padding:0 24px}
    .nav-search{display:none}
    .nav-link{display:none}
    .nav-burger{display:inline-flex}
    .nav-actions .btn-primary{display:none}
    .hero-grid{grid-template-columns:1fr;gap:32px}
    .hero-sub{max-width:100%}
    .hero-media img{aspect-ratio:16/9}
    .hero-badge{right:12px;bottom:-16px}
    .section{padding:64px 0}
    .stats-card{grid-template-columns:repeat(2,1fr)}
    .stat{border-right:1px solid var(--line)}
    .stat:nth-child(2n){border-right:0}
    .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
    .step,
    .step:nth-child(even){
      grid-template-columns:44px minmax(0,1fr) 200px;
      gap:24px;
    }
    .step:nth-child(even){grid-template-columns:44px 200px minmax(0,1fr)}
    .step-num{font-size:34px}
    .starter-grid{grid-template-columns:1fr;gap:16px}
    .starter-card:nth-child(2){padding-top:26px;padding-bottom:26px}
    .related-grid{grid-template-columns:1fr}
    .cta-banner{flex-direction:column;align-items:flex-start;padding:32px}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  }

  @media (max-width:767px){
    .container{padding:0 20px}
    .logo-text{font-size:16px}
    .page-hero{padding:28px 0 44px}
    .page-hero h1{font-size:clamp(27px,7vw,34px)}
    .hero-sub{font-size:16px}
    .hero-actions{flex-direction:column;align-items:stretch}
    .hero-actions .btn{width:100%}
    .hero-facts{gap:14px 20px}
    .section{padding:48px 0}
    .stats-strip{margin-top:-24px}
    .stat{padding:18px 20px}
    .stat b{font-size:24px}
    .step,
    .step:nth-child(even){
      display:flex;
      flex-direction:column;
      align-items:flex-start;
      gap:16px;
      padding:24px 0;
    }
    .step-num{order:-2;font-size:30px}
    .step-media{order:-1;width:100%}
    .step-body{width:100%}
    .step-body p{max-width:100%}
    .pitfall-item{grid-template-columns:auto minmax(0,1fr);padding:18px 20px}
    .pitfall-fix{grid-column:2;justify-self:start;margin-top:6px}
    .faq-item summary{padding:16px;gap:12px;font-size:15px}
    .faq-answer{margin:0 16px;padding-left:16px;padding-right:0;font-size:14.5px}
    .cta-banner{padding:26px 20px;border-radius:var(--r-l)}
    .cta-banner .btn{width:100%}
    .related-card{flex-direction:column;align-items:flex-start;gap:14px}
    .related-thumb{width:100%;flex:0 0 auto}
    .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .site-footer{padding:48px 0 28px}
  }

  @media (max-width:479px){
    .hero-badge{padding:10px 14px;gap:10px}
    .hero-badge strong{font-size:20px}
    .btn{width:100%}
    .hero-actions .btn-text,
    .back-row .btn{width:100%}
  }

/* roulang page: category3 */
:root{
  --brand-700:#10419C;
  --brand-600:#1A5FD6;
  --brand-500:#2E77F0;
  --brand-100:#DCE9FD;
  --brand-50:#EFF5FE;
  --orange:#FF7A2F;
  --orange-hover:#E85F12;
  --orange-50:#FFF1E8;
  --mint:#1FBF9C;
  --mint-50:#E7F8F4;
  --warn:#FFB020;
  --warn-50:#FFF6E5;
  --ink:#0D1B2E;
  --ink-2:#5A6E86;
  --ink-3:#93A3B6;
  --line:#E2EAF4;
  --line-strong:#C9DBF5;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --soft:#EFF5FE;
  --track:#E8EEF7;
  --placeholder:#EDF2F9;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,42,80,.04);
  --sh2:0 8px 24px rgba(18,59,122,.06);
  --sh3:0 18px 40px rgba(18,59,122,.10);
  --t:220ms 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:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-700)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.2px}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);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}

/* ---------- 顶部导航 ---------- */
.topbar{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.topbar.is-stuck{box-shadow:var(--sh1)}
.topbar-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:26px;height:26px;border-radius:8px;background:var(--brand-600);position:relative;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;inset:7px;background:var(--orange);border-radius:2px;transform:rotate(45deg)}
.logo-text{font-size:20px;font-weight:700;letter-spacing:.5px;color:var(--ink);transition:color var(--t)}
.logo:hover .logo-text{color:var(--brand-700)}

.search-box{
  position:relative;display:flex;align-items:center;
  flex:0 1 300px;height:40px;padding:0 16px;
  background:#F2F6FC;border:1px solid transparent;border-radius:var(--r-pill);
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.search-box:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,119,240,.12)}
.search-box svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;flex:0 0 auto}
.search-box input{flex:1;height:100%;border:0;background:none;outline:none;padding-left:8px;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:var(--ink-3)}

.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.link-quiet{font-size:14px;color:var(--ink-2);white-space:nowrap}
.link-quiet:hover{color:var(--brand-600)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.22)}
.btn-primary:hover{background:var(--orange-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,95,18,.26)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand-600);border:1px solid var(--line-strong)}
.btn-outline:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px)}
.btn-ghost{background:var(--brand-50);color:var(--brand-600)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn[disabled]{background:#EDF2F9;color:var(--ink-3);box-shadow:none;cursor:not-allowed;transform:none}

.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--t),opacity var(--t)}

/* ---------- 频道导航 ---------- */
.nav-channels{background:var(--soft);border-bottom:1px solid var(--line)}
.channel-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:7px 0;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;transition:background var(--t),color var(--t),box-shadow var(--t);
}
.pill:hover{background:#fff;color:var(--brand-600)}
.pill.active{background:var(--brand-600);color:#fff;box-shadow:var(--sh1)}
.pill.active:hover{background:var(--brand-700);color:#fff}

.mobile-drawer{display:none;background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.mobile-drawer.open{display:block}
.mobile-drawer ul{display:grid;gap:4px}
.mobile-drawer a{display:flex;align-items:center;min-height:44px;padding:0 8px;border-radius:10px;font-size:15px;color:var(--ink-2)}
.mobile-drawer a:hover{background:var(--brand-50);color:var(--brand-600)}
.mobile-drawer .drawer-cta{margin-top:12px}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:13px;color:var(--ink-3);padding:20px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--ink-3)}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs li[aria-current]{color:var(--ink-2)}

/* ---------- Hero ---------- */
.page-hero{padding:24px 0 64px;background:var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;margin-bottom:18px;
  border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;letter-spacing:-.5px;margin-bottom:16px}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:540px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:var(--ink-2)}
.hero-meta li{display:flex;align-items:center;gap:6px}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto}

.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);border:1px solid #fff;
  box-shadow:var(--sh3);background:var(--placeholder);
}
.float-card{
  position:absolute;right:-6px;bottom:24px;
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh2);
}
.float-num{font-size:26px;font-weight:700;line-height:1.1;color:var(--brand-700);font-variant-numeric:tabular-nums}
.float-txt{font-size:12px;color:var(--ink-2)}

.progress-card{
  margin-top:44px;padding:28px 32px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh2);
}
.progress-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:22px}
.progress-head h2{font-size:18px}
.progress-head span{font-size:13px;color:var(--ink-3)}
.progress-items{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.pg-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px;font-size:14px}
.pg-name{color:var(--ink);font-weight:500}
.pg-pct{color:var(--ink-2);font-variant-numeric:tabular-nums}
.pg-track{height:8px;border-radius:var(--r-pill);background:var(--track);overflow:hidden}
.pg-fill{display:block;height:100%;border-radius:var(--r-pill);background:var(--mint)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:700px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:12px}
.section-head p{font-size:16px;color:var(--ink-2)}
section[id]{scroll-margin-top:96px}

/* ---------- 奖励网格 ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.reward-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh2);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.reward-card:hover{transform:translateY(-2px);box-shadow:var(--sh3);border-color:var(--line-strong)}
.reward-media{position:relative;overflow:hidden;background:var(--placeholder)}
.reward-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 240ms cubic-bezier(.2,.7,.3,1)}
.reward-card:hover .reward-media img{transform:scale(1.03)}
.badge{
  position:absolute;top:12px;left:12px;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
}
.badge-mint{background:var(--mint-50);color:#0E7E66}
.badge-orange{background:var(--orange-50);color:#C2520F}
.badge-blue{background:var(--brand-100);color:var(--brand-700)}
.reward-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px}
.reward-body h3{font-size:18px;font-weight:600}
.reward-cond{font-size:14px;line-height:1.7;color:var(--ink-2)}
.reward-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px}
.status{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;white-space:nowrap}
.status-ready{background:var(--mint-50);color:#0E7E66}
.status-doing{background:var(--orange-50);color:#C2520F}
.status-done{background:var(--brand-100);color:var(--brand-700)}

/* ---------- 领取流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);padding:26px 24px;transition:box-shadow var(--t),transform var(--t)}
.step:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;margin-bottom:14px;
  border-radius:50%;border:1px solid var(--line-strong);
  background:var(--brand-50);color:var(--brand-700);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ---------- 规则折叠 ---------- */
.rule-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.rule-item{border-bottom:1px solid var(--line)}
.rule-item:last-child{border-bottom:0}
.rule-item summary{
  display:flex;align-items:center;gap:12px;
  padding:18px 22px;font-size:15px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;transition:color var(--t),background var(--t);
}
.rule-item summary::-webkit-details-marker{display:none}
.rule-item summary:hover{background:var(--brand-50)}
.rule-item summary::after{
  content:"+";margin-left:auto;font-size:18px;font-weight:700;color:var(--brand-600);
  transition:transform var(--t);
}
.rule-item[open] summary{color:var(--brand-700)}
.rule-item[open] summary::after{transform:rotate(45deg)}
.rule-tag{font-size:12px;font-weight:500;color:var(--ink-3)}
.rule-body{
  margin:0 22px 20px;padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:14px;line-height:1.8;color:var(--ink-2);
}

/* ---------- 常见问答 ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);transition:border-color var(--t),box-shadow var(--t)}
.faq-item[open]{border-color:var(--brand-500);box-shadow:var(--sh2)}
.faq-item summary{
  display:flex;align-items:center;gap:12px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{min-width:24px;font-size:14px;font-weight:700;color:var(--brand-500);font-variant-numeric:tabular-nums}
.faq-item summary::after{content:"+";margin-left:auto;font-size:20px;line-height:1;color:var(--ink-3);transition:transform var(--t),color var(--t)}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--brand-600)}
.faq-body{
  margin:0 20px 18px 56px;padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ---------- CTA 横幅 ---------- */
.cta-wrap{padding:0 0 80px}
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px;background:var(--brand-50);
  border:1px solid var(--brand-100);border-radius:var(--r-xl);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;
  border-radius:50%;background:radial-gradient(circle,rgba(46,119,240,.08),transparent 70%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px}
.cta-band p{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:16px 0 20px;max-width:320px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--soft);border:1px solid var(--line);
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.footer-social a:hover{background:var(--brand-50);border-color:var(--line-strong);transform:translateY(-1px)}
.footer-social svg{width:18px;height:18px;fill:none;stroke:var(--brand-600);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand-600)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;
  margin-top:48px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.site-footer .logo{margin:0}
.site-footer .logo-text{font-size:18px}

/* ---------- 吸底 CTA ---------- */
.mobile-cta{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:36px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .topbar-inner{gap:16px}
  .search-box{flex:0 1 220px}
  .menu-toggle{display:inline-flex}
  .link-quiet{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual img{aspect-ratio:16/9}
  .float-card{right:12px;bottom:12px}
  .progress-items{grid-template-columns:1fr;gap:18px}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .section{padding:56px 0}
  .page-hero{padding:20px 0 56px}
}
@media (max-width:767px){
  body{padding-bottom:56px;font-size:15px}
  .container{padding:0 20px}
  .topbar-inner{height:60px}
  .search-box{display:none}
  .logo-text{font-size:17px}
  .logo-mark{width:24px;height:24px;border-radius:7px}
  h1{font-size:clamp(26px,7vw,32px)}
  .hero-lead{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-meta{gap:14px}
  .pill{height:40px;padding:0 18px}
  .section{padding:44px 0}
  .section-head{margin-bottom:28px}
  .reward-grid{grid-template-columns:1fr}
  .progress-card{padding:20px;margin-top:32px}
  .cta-band{padding:24px;border-radius:var(--r-lg)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-body{margin-left:20px;padding-left:0}
  .rule-body{margin:0 18px 18px}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;
    height:56px;padding:0 16px;gap:12px;
    align-items:center;justify-content:space-between;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(18,59,122,.08);
  }
  .mobile-cta span{font-size:13px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}
@media (max-width:520px){
  .float-card{padding:10px 14px}
  .float-num{font-size:22px}
  .reward-body{padding:16px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .btn-sm{height:36px;padding:0 14px}
}