/* roulang page: index */
:root{
  --brand-600:#6A45E8;
  --brand-500:#7C5CF0;
  --brand-100:#EDE8FF;
  --mint-500:#1FC8AE;
  --mint-100:#E3FAF5;
  --amber-400:#FFB020;
  --ink-900:#14102A;
  --ink-700:#2A2447;
  --paper:#F6F5FB;
  --card:#FFFFFF;
  --line:#E6E2F7;
  --text:#1A1730;
  --text-2:#5C5878;
  --text-3:#918DAB;
  --grad:linear-gradient(135deg,#6A45E8 0%,#1FC8AE 100%);
  --r-xl:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-pill:999px;
  --r-input:14px;
  --sh-1:0 4px 16px rgba(20,16,42,.06);
  --sh-2:0 16px 40px rgba(20,16,42,.12);
  --w:1200px;
  --ease:cubic-bezier(.32,.72,.28,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{letter-spacing:-.4px;line-height:1.25}
time,.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid rgba(106,69,232,.35);outline-offset:2px;border-radius:8px}
::selection{background:var(--brand-100);color:var(--brand-600)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-600);color:#fff;padding:10px 18px;border-radius:0 0 14px 0;z-index:999}
.skip-link:focus{left:0}

/* ===== 容器与板块 ===== */
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.section{padding:92px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head .side{flex:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.6px;color:var(--brand-600);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.section-title{font-size:32px;font-weight:700}
.section-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);padding:10px 4px;transition:gap .25s var(--ease),color .2s}
.link-more:hover{gap:12px;color:var(--brand-500)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(106,69,232,.28)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 32px rgba(106,69,232,.36);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border:1.5px solid var(--brand-500);color:var(--brand-600);background:transparent}
.btn-outline:hover{background:var(--brand-100);border-color:var(--brand-600)}
.btn-ghost{color:var(--text-2)}
.btn-ghost:hover{color:var(--brand-600)}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px}
.btn-lg{min-height:54px;padding:0 32px;font-size:16px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 标签与徽章 ===== */
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;line-height:1.8}
.chip--mint{background:var(--mint-100);color:#128975}
.chip--amber{background:rgba(255,176,32,.14);color:#9A6400}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);display:inline-block}

/* ===== 导航 ===== */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:200;padding:0 24px;transition:top .3s var(--ease)}
.site-header.is-scrolled{top:10px}
.nav-pill{
  max-width:var(--w);margin:0 auto;height:64px;display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.74);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(230,226,247,.9);
  transition:background .3s,box-shadow .3s;
}
.site-header.is-scrolled .nav-pill{background:rgba(255,255,255,.94);box-shadow:0 10px 28px rgba(20,16,42,.09)}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;font-weight:700;font-size:17px;display:grid;place-items:center;box-shadow:0 6px 16px rgba(106,69,232,.3)}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.3px;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.nav-link{padding:9px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);font-weight:500;transition:background .2s,color .2s;min-height:40px;display:inline-flex;align-items:center}
.nav-link:hover{background:var(--brand-100);color:var(--brand-600)}
.nav-link.is-active{background:var(--ink-900);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-pill);align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--line);background:#fff}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:.25s var(--ease)}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);background:#fff;z-index:300;border-radius:24px 0 0 24px;box-shadow:-20px 0 50px rgba(20,16,42,.18);transform:translateX(105%);transition:transform .35s var(--ease);padding:28px 22px;display:flex;flex-direction:column;gap:6px}
.drawer.is-open{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--text-3);letter-spacing:1px;margin-bottom:6px}
.drawer a{min-height:48px;display:flex;align-items:center;padding:0 16px;border-radius:16px;font-size:16px;font-weight:500;color:var(--text-2)}
.drawer a.is-active,.drawer a:hover{background:var(--brand-100);color:var(--brand-600)}
.drawer .btn{margin-top:14px}
.scrim{position:fixed;inset:0;background:rgba(20,16,42,.4);opacity:0;pointer-events:none;transition:opacity .3s;z-index:290}
.scrim.is-open{opacity:1;pointer-events:auto}

/* ===== Hero ===== */
.hero{position:relative;padding:158px 0 84px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;z-index:0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(246,245,251,.97) 0%,rgba(246,245,251,.9) 42%,rgba(237,232,255,.72) 100%)}
.hero-glow{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(520px 320px at 82% 18%,rgba(31,200,174,.18),transparent 70%),
    radial-gradient(560px 360px at 8% 88%,rgba(106,69,232,.14),transparent 72%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.85);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:20px}
.hero h1{font-size:48px;font-weight:700;line-height:1.22;letter-spacing:-.6px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:18px;color:var(--text-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.hero-points li::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--mint-100);box-shadow:inset 0 0 0 3px var(--mint-500);flex:none}
.hero-visual{position:relative;border-radius:var(--r-xl);padding:22px;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;box-shadow:var(--sh-2);min-height:400px;display:flex;align-items:center}
.hero-visual::before{content:"";position:absolute;inset:0;border-radius:var(--r-xl);background:linear-gradient(150deg,rgba(106,69,232,.55),rgba(20,16,42,.72))}
.hero-media{position:relative;width:100%;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:4/3;background:#fff}
.hero-media img{width:100%;height:100%;object-fit:cover}
.float-badge{position:absolute;background:#fff;border-radius:18px;padding:12px 16px;box-shadow:var(--sh-2);display:flex;flex-direction:column;gap:2px;min-width:120px}
.float-badge .num{font-size:20px;font-weight:700;color:var(--brand-600)}
.float-badge .lbl{font-size:12px;color:var(--text-3)}
.float-badge--a{left:-14px;bottom:52px}
.float-badge--b{right:-12px;top:44px}
.float-badge--b .num{color:#128975}

/* ===== 数据徽章条 ===== */
.stats-bar{position:relative;z-index:2;margin-top:-34px}
.stats-inner{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.stat{padding:26px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{font-size:28px;font-weight:700;color:var(--brand-600);letter-spacing:-.5px}
.stat .lbl{margin-top:4px;font-size:14px;color:var(--text-2)}
.stat .note{margin-top:2px;font-size:12px;color:var(--text-3)}

/* ===== 卡片通用 ===== */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s;overflow:hidden;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(124,92,240,.55)}
.card-thumb{position:relative;overflow:hidden;background:linear-gradient(100deg,#EFEDF8,#E4E0F6);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);padding-top:14px;border-top:1px dashed var(--line)}
.card-foot .arrow{color:var(--brand-600);font-weight:700;transition:transform .25s var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(4px)}

/* ===== 精选错落网格 ===== */
.featured-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.span-8{grid-column:span 8}
.span-4{grid-column:span 4}
.card--wide .card-thumb{aspect-ratio:16/10}
.card--wide{flex-direction:row;align-items:stretch}
.card--wide .card-thumb{width:52%;flex:none;aspect-ratio:auto;min-height:300px}
.card--wide .card-body{padding:34px;gap:14px}
.card--wide .card-body h3{font-size:26px;-webkit-line-clamp:3}
.card--wide .card-body p{font-size:15px;-webkit-line-clamp:3}
.card--tall .card-thumb{aspect-ratio:4/3}
.rank-tag{position:absolute;left:14px;top:14px;background:rgba(20,16,42,.72);color:#fff;font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);backdrop-filter:blur(6px)}

/* ===== 最新信息（CMS） ===== */
.news-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-1)}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.news-card{display:flex;gap:16px;padding:16px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;transition:border-color .25s,box-shadow .25s,transform .25s var(--ease)}
.news-card:hover{border-color:rgba(124,92,240,.6);box-shadow:var(--sh-1);transform:translateY(-3px)}
.news-thumb{width:120px;height:84px;flex:none;border-radius:12px;overflow:hidden;background:linear-gradient(100deg,#EFEDF8,#E4E0F6)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1}
.news-body h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3)}
.empty-state{padding:52px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-md);background:var(--paper)}
.empty-state .ico{width:46px;height:46px;margin:0 auto 12px;border-radius:50%;background:var(--brand-100);display:grid;place-items:center;font-size:20px;color:var(--brand-600)}
.empty-state p{color:var(--text-2);font-size:14px}

/* ===== 栏目导航 ===== */
.channels{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{position:relative;display:block;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.channel-cover{aspect-ratio:16/9;overflow:hidden}
.channel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.channel-card:hover .channel-cover img{transform:scale(1.05)}
.channel-body{padding:24px}
.channel-body h3{font-size:20px;font-weight:600;margin-bottom:8px}
.channel-body p{font-size:14px;color:var(--text-2);min-height:44px}
.channel-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--text-3)}
.channel-meta .go{color:var(--brand-600);font-weight:600}

/* ===== 评价轮播 ===== */
.review-bar{display:flex;align-items:center;gap:10px}
.review-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/3);gap:24px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.review-track::-webkit-scrollbar{height:6px}
.review-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.review-card{scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);font-weight:700;display:grid;place-items:center;flex:none}
.review-top .who{font-weight:600;font-size:15px}
.review-top .role{font-size:12px;color:var(--text-3)}
.stars{color:var(--amber-400);font-size:14px;letter-spacing:2px}
.review-card p{font-size:14px;color:var(--text-2)}
.review-foot{margin-top:auto;font-size:12px;color:var(--text-3)}

/* ===== 保障条 ===== */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1)}
.guard .ico{width:44px;height:44px;border-radius:14px;background:var(--mint-100);color:#128975;display:grid;place-items:center;font-size:20px;margin-bottom:16px}
.guard h3{font-size:17px;font-weight:600;margin-bottom:8px}
.guard p{font-size:14px;color:var(--text-2)}

/* ===== FAQ ===== */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.is-open{border-color:rgba(124,92,240,.6);box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;min-height:64px}
.faq-q .sign{width:26px;height:26px;flex:none;border-radius:50%;background:var(--brand-100);color:var(--brand-600);display:grid;place-items:center;font-size:16px;font-weight:700;transition:transform .3s var(--ease),background .25s,color .25s}
.faq-item.is-open .faq-q .sign{background:var(--brand-600);color:#fff;transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ===== CTA 大卡 ===== */
.cta-band{position:relative;border-radius:var(--r-xl);background:var(--ink-900);color:#fff;padding:56px;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:40px;box-shadow:0 24px 60px rgba(20,16,42,.28)}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 88% 12%,rgba(31,200,174,.24),transparent 70%),radial-gradient(500px 320px at 4% 100%,rgba(106,69,232,.34),transparent 70%);pointer-events:none}
.cta-band::after{content:"";position:absolute;inset:0;border-radius:var(--r-xl);border:1px solid rgba(255,255,255,.12);pointer-events:none}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{font-size:32px;font-weight:700}
.cta-copy p{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-outline{border-color:rgba(255,255,255,.4);color:#fff}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ===== 页脚 ===== */
.site-footer{margin-top:96px;background:var(--ink-900);color:rgba(255,255,255,.7);position:relative}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:72px 0 40px}
.footer-brand .logo-mark{margin-bottom:16px}
.footer-brand .name{color:#fff;font-size:18px;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ===== 返回顶部 ===== */
.to-top{position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:var(--r-pill);background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(106,69,232,.36);opacity:0;transform:translateY(14px);pointer-events:none;transition:.3s var(--ease);z-index:180;font-size:18px}
.to-top.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{filter:brightness(1.08);transform:translateY(-3px)}

/* ===== 响应式 ===== */
@media (max-width:1439px){
  .hero h1{font-size:44px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .nav-main{display:none}
  .hamburger{display:flex}
  .hero{padding:132px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{min-height:320px}
  .hero h1{font-size:36px}
  .hero-sub{font-size:16px}
  .stats-inner{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .span-8,.span-4{grid-column:span 12}
  .card--wide{flex-direction:column}
  .card--wide .card-thumb{width:100%;aspect-ratio:16/10;min-height:0}
  .channels{grid-template-columns:repeat(2,1fr)}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .review-track{grid-auto-columns:calc((100% - 24px)/2)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;padding:56px 0 32px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 18px}
  .site-header{padding:0 14px;top:12px}
  .nav-pill{padding:0 8px 0 14px;gap:10px;height:58px}
  .logo-text{font-size:15px}
  .nav-actions .btn{display:none}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .section-title{font-size:23px}
  .hero{padding:112px 0 52px}
  .hero h1{font-size:29px}
  .hero-cta{gap:10px}
  .hero-cta .btn{width:100%}
  .float-badge--a{left:8px;bottom:10px}
  .float-badge--b{right:8px;top:10px}
  .stats-bar{margin-top:-22px}
  .stats-inner{grid-template-columns:1fr}
  .stat{border-right:0!important;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .news-list{grid-template-columns:1fr}
  .news-thumb{width:96px;height:72px}
  .news-wrap{padding:16px}
  .channels{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .review-track{grid-auto-columns:82%}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .cta-band{padding:30px 22px}
  .cta-copy h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center;gap:8px}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:479px){
  .hero h1{font-size:26px}
  .hero-tag{font-size:12px}
  .section-title{font-size:21px}
  .card--wide .card-body{padding:22px}
  .card--wide .card-body h3{font-size:20px}
  .stat{padding:20px}
  .stat .num{font-size:24px}
}

/* roulang page: article */
:root{
  --brand-600:#6A45E8;
  --brand-500:#7C5CF0;
  --brand-100:#EDE8FF;
  --mint-500:#1FC8AE;
  --mint-100:#E3FAF5;
  --amber-400:#FFB020;
  --ink-900:#14102A;
  --ink-700:#2A2447;
  --paper:#F6F5FB;
  --card:#FFFFFF;
  --line:#E6E2F7;
  --text:#1A1730;
  --text-2:#5C5878;
  --text-3:#918DAB;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:14px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(20,16,42,.06);
  --sh-2:0 16px 40px rgba(20,16,42,.12);
  --grad:linear-gradient(135deg,#6A45E8 0%,#1FC8AE 100%);
  --focus:0 0 0 3px rgba(106,69,232,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:100px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(106,69,232,.35);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:20px;left:0;right:0;z-index:80;transition:top .25s var(--ease)}
.site-header.is-scrolled{top:0}
.navbar{
  display:flex;align-items:center;gap:20px;height:64px;padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 6px 24px rgba(20,16,42,.07);
  transition:background .25s var(--ease),box-shadow .25s var(--ease)
}
.site-header.is-scrolled .navbar{background:rgba(255,255,255,.95);box-shadow:var(--sh-1)}
.logo{display:flex;align-items:center;gap:10px;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;flex:0 0 auto
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--ink-900)}
.nav-main{flex:1;display:flex;align-items:center;justify-content:center;gap:4px}
.nav-link{padding:9px 15px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text-2);transition:background .2s,color .2s}
.nav-link:hover{background:var(--brand-100);color:var(--brand-600)}
.nav-link.is-active{background:var(--brand-600);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s,color .18s,border-color .18s;
  white-space:nowrap;text-align:center
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(106,69,232,.28)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 14px 28px rgba(106,69,232,.34);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--brand-600);color:var(--brand-600);background:transparent}
.btn-outline:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn-ghost{color:var(--text-2)}
.btn-ghost:hover{color:var(--brand-600);background:var(--brand-100)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,16,42,.42);z-index:110;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;z-index:120;
  background:#fff;border-radius:24px 0 0 24px;padding:24px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(104%);transition:transform .3s var(--ease);box-shadow:var(--sh-2)
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:50%;background:var(--paper);font-size:20px;line-height:1;display:grid;place-items:center;color:var(--text-2)}
.drawer-close:hover{background:var(--brand-100);color:var(--brand-600)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{height:48px;display:flex;align-items:center;padding:0 16px;border-radius:var(--r-xs);color:var(--text-2);font-weight:500}
.drawer-nav a:hover{background:var(--brand-100);color:var(--brand-600)}

/* ---------- 面包屑 ---------- */
.page-top{padding:28px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color .2s}
.breadcrumb a:hover{color:var(--brand-600)}
.crumb-sep{color:#C6C0E0}
.crumb-current{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{padding:24px 0 4px}
.article-head{max-width:860px;margin:0 auto}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-600);font-size:13px;font-weight:600
}
.article-title{
  font-size:clamp(28px,3.4vw,46px);line-height:1.25;letter-spacing:-.5px;font-weight:700;
  margin:16px 0;color:var(--ink-900)
}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:14px;color:var(--text-3)}
.meta-item{font-variant-numeric:tabular-nums}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}

/* ---------- 正文 ---------- */
.article-main{padding:28px 0 0}
.cover-figure{
  max-width:960px;margin:0 auto 40px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--card)
}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{
  max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:48px 44px;box-shadow:var(--sh-1);
  font-size:16px;line-height:1.75;color:var(--text);overflow-wrap:break-word
}
.article-body p{margin:0 0 20px}
.article-body h2{font-size:26px;font-weight:700;line-height:1.35;letter-spacing:-.3px;margin:40px 0 16px;color:var(--ink-900)}
.article-body h3{font-size:20px;font-weight:600;margin:32px 0 12px;color:var(--ink-900)}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body ul{list-style:disc;padding-left:24px;margin:0 0 20px}
.article-body ol{list-style:decimal;padding-left:24px;margin:0 0 20px}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:4px solid var(--brand-600);
  background:var(--brand-100);border-radius:0 var(--r-xs) var(--r-xs) 0;color:var(--ink-700)
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:24px auto;height:auto}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--mint-500)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--paper);font-weight:600}
.article-body code{background:var(--paper);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.article-tail{
  max-width:820px;margin:28px auto 0;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md)
}
.tag-list{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag-label{font-size:13px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);font-size:13px;color:var(--text-2);transition:all .2s
}
.tag:hover{border-color:var(--brand-500);background:var(--brand-100);color:var(--brand-600)}
.share-row{display:flex;gap:10px;flex-wrap:wrap}

.empty-state{
  max-width:820px;margin:0 auto;text-align:center;background:var(--card);
  border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 32px;box-shadow:var(--sh-1)
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);
  display:grid;place-items:center;font-size:24px;font-weight:700;margin:0 auto 16px
}
.empty-title{font-size:20px;font-weight:600;margin:0 0 8px;color:var(--ink-900)}
.empty-desc{color:var(--text-2);margin:0 0 24px;font-size:15px}

/* ---------- 板块 ---------- */
.section{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{font-size:clamp(22px,2.4vw,32px);font-weight:700;letter-spacing:-.4px;color:var(--ink-900)}
.section-link{color:var(--brand-600);font-size:15px;font-weight:600;transition:color .2s}
.section-link:hover{color:var(--mint-500)}

.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#C9BEF7}
.card-cover{width:100%;aspect-ratio:4/3;object-fit:cover}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink-900)}
.card-text{font-size:14px;line-height:1.7;color:var(--text-2)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.card-foot .arrow{color:var(--brand-600);transition:transform .2s var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(3px)}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--mint-100);color:#0E8E7B;font-size:12px;font-weight:600;align-self:flex-start
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;border-radius:var(--r-lg);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(255,255,255,.08)
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,174,.32),transparent 70%)
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,69,232,.38),transparent 70%)
}
.cta-text{position:relative;z-index:1}
.cta-text h2{font-size:26px;font-weight:700;margin-bottom:10px;letter-spacing:-.3px}
.cta-text p{font-size:15px;color:rgba(255,255,255,.72);max-width:560px;margin:0}
.cta-actions{position:relative;z-index:1}

/* ---------- 返回入口 ---------- */
.back-bar{padding:8px 0 72px}
.back-inner{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#fff;padding:64px 0 24px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .logo-mark{width:38px;height:38px;border-radius:12px;margin-bottom:12px;font-size:16px}
.footer-brand .name{font-size:18px;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;margin:0}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s}
.footer-col a:hover{color:var(--mint-500)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)
}
.footer-bottom a{color:rgba(255,255,255,.68)}
.footer-bottom a:hover{color:var(--mint-500)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);color:var(--brand-600);
  font-size:18px;display:grid;place-items:center;z-index:70;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s var(--ease)
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:64px 0}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-main{gap:0}
  .nav-link{padding:9px 12px;font-size:14px}
}
@media (max-width:900px){
  .nav-main{display:none}
  .nav-actions .btn{display:none}
  .menu-toggle{display:flex}
}
@media (max-width:768px){
  body{padding-top:84px}
  .site-header{top:12px}
  .container{padding:0 16px}
  .section{padding:52px 0}
  .article-hero{padding:16px 0 0}
  .article-title{margin:12px 0}
  .cover-figure{margin-bottom:28px;border-radius:var(--r-md)}
  .article-body{padding:28px 20px;font-size:15px;border-radius:var(--r-md)}
  .article-body h2{font-size:22px;margin:32px 0 14px}
  .article-body h3{font-size:18px}
  .article-tail{flex-direction:column;align-items:flex-start;padding:20px}
  .card-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-text h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .brand-name{font-size:15px}
  .logo-mark{width:30px;height:30px;border-radius:10px;font-size:14px}
  .article-title{font-size:26px}
  .meta-row{font-size:13px;gap:8px}
  .crumb-current{max-width:200px}
  .back-inner,.share-row{flex-direction:column;align-items:stretch}
  .back-inner .btn,.share-row .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand-600:#6A45E8;
  --brand-500:#7C5CF0;
  --brand-100:#EDE8FF;
  --mint-500:#1FC8AE;
  --mint-100:#E3FAF5;
  --amber-400:#FFB020;
  --ink-900:#14102A;
  --ink-700:#2A2447;
  --paper:#F6F5FB;
  --card:#FFFFFF;
  --line:#E6E2F7;
  --t1:#1A1730;
  --t2:#5C5878;
  --t3:#918DAB;
  --grad:linear-gradient(135deg,#6A45E8 0%,#1FC8AE 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-pill:999px;
  --sh1:0 4px 16px rgba(20,16,42,.06);
  --sh2:0 16px 40px rgba(20,16,42,.12);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --focus:0 0 0 3px rgba(106,69,232,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-600)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部悬浮胶囊导航 ============ */
.site-header{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:120;
  transition:top .28s ease;
}
.site-header.is-scrolled{top:0}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.nav-bar{
  display:flex;
  align-items:center;
  gap:var(--sp-5);
  height:64px;
  padding:0 12px 0 20px;
  border-radius:var(--r-pill);
  border:1px solid rgba(230,226,247,.9);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 6px 24px rgba(20,16,42,.05);
  transition:background .28s ease,box-shadow .28s ease,border-radius .28s ease;
}
.site-header.is-scrolled .nav-bar{
  background:rgba(255,255,255,.96);
  border-radius:0 0 24px 24px;
  box-shadow:0 10px 30px rgba(20,16,42,.10);
  border-color:transparent;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;flex-shrink:0;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;font-size:17px;font-weight:700;
  box-shadow:0 6px 16px rgba(106,69,232,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .name{font-size:16px;font-weight:700;letter-spacing:-.2px;white-space:nowrap}
.brand-text .sub{font-size:11px;color:var(--t3);letter-spacing:.6px}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;color:var(--t2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-600)}
.nav-link.is-active{
  background:var(--brand-100);
  color:var(--brand-600);
  font-weight:600;
}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  height:42px;padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--grad);
  color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 8px 20px rgba(106,69,232,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(106,69,232,.34)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-pill);
  background:var(--brand-100);
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-600);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  z-index:200;
  padding:88px 24px 32px;
  background:#fff;
  border-radius:24px 0 0 24px;
  box-shadow:-16px 0 48px rgba(20,16,42,.16);
  transform:translateX(105%);
  transition:transform .32s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0)}
.drawer a{
  display:flex;align-items:center;
  height:48px;padding:0 16px;
  border-radius:14px;
  font-size:15px;color:var(--t2);
}
.drawer a:hover{background:var(--brand-100);color:var(--brand-600)}
.drawer a.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600}
.drawer .drawer-cta{margin-top:12px;justify-content:center;background:var(--grad);color:#fff;font-weight:600}
.drawer .drawer-cta:hover{color:#fff;filter:brightness(1.06)}
.scrim{
  position:fixed;inset:0;z-index:190;
  background:rgba(20,16,42,.42);
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.scrim.is-open{opacity:1;visibility:visible}

/* ============ 栏目 Banner ============ */
.banner{
  position:relative;
  margin-top:104px;
  min-height:272px;
  border-radius:var(--r-lg);
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh1);
}
.banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(20,16,42,.88) 0%,rgba(42,36,71,.72) 52%,rgba(106,69,232,.42) 100%);
}
.banner::before{
  content:"";
  position:absolute;
  width:420px;height:420px;right:-120px;top:-160px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,174,.42),transparent 68%);
  z-index:2;
}
.banner-inner{
  position:relative;z-index:3;
  padding:48px 48px 44px;
  max-width:760px;
}
.banner .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#E3FAF5;
  font-size:12.5px;letter-spacing:.4px;
}
.banner .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint-500);display:block}
.banner h1{
  margin-top:18px;
  font-size:46px;
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.5px;
  color:#fff;
}
.banner p{
  margin-top:14px;
  max-width:600px;
  font-size:15.5px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}
.banner-stats{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:26px;
}
.banner-stats .stat{display:flex;flex-direction:column;gap:2px}
.banner-stats .stat b{
  font-size:24px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.banner-stats .stat span{font-size:12.5px;color:rgba(255,255,255,.66)}

/* ============ 面包屑 & 筛选 ============ */
.crumb-bar{
  display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:var(--sp-4);
  margin-top:var(--sp-5);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t3)}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:var(--t3);opacity:.7}
.crumb .current{color:var(--t3)}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t2);
  font-size:14px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pill:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-100);transform:translateY(-2px)}
.pill.is-active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}
.pill.is-active:hover{background:var(--brand-500);color:#fff}

/* ============ 通用板块 ============ */
section.block{margin-top:var(--sp-9)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:var(--sp-5);
  margin-bottom:var(--sp-6);
}
.section-head .head-text{max-width:660px}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.4px;
}
.section-head p{margin-top:10px;font-size:15px;color:var(--t2)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand-600);
  white-space:nowrap;
}
.text-link:hover{color:var(--mint-500)}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 入口线路 2 列大卡 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--sp-5);
}
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(124,92,240,.55)}
.entry-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--brand-100);
}
.entry-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.entry-card:hover .entry-media img{transform:scale(1.05)}
.entry-media .tag{
  position:absolute;left:16px;top:16px;
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(20,16,42,.72);
  color:#fff;font-size:12.5px;
  backdrop-filter:blur(6px);
}
.entry-media .tag i{width:6px;height:6px;border-radius:50%;background:var(--mint-500);display:block}
.entry-media .tag.amber i{background:var(--amber-400)}
.entry-body{
  display:flex;flex-direction:column;
  flex:1;
  padding:24px;
}
.entry-body h3{font-size:20px;font-weight:600;line-height:1.45}
.entry-body h3 a:hover{color:var(--brand-600)}
.entry-body .desc{
  margin-top:10px;
  font-size:14.5px;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:16px;
}
.chip{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--paper);
  border:1px solid var(--line);
  font-size:12.5px;color:var(--t2);
}
.chip.mint{background:var(--mint-100);border-color:rgba(31,200,174,.32);color:#0F8C7C}
.chip.brand{background:var(--brand-100);border-color:rgba(124,92,240,.3);color:#5B39D6}
.entry-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--sp-4);
  margin-top:auto;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.entry-foot .time{display:inline-flex;align-items:center;gap:6px}
.go{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1.5px solid var(--brand-600);
  color:var(--brand-600);
  font-size:13.5px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.go:hover{background:var(--brand-100);color:var(--brand-600);transform:translateY(-2px)}
.go:active{transform:translateY(0)}

/* ============ 状态速查（深色） ============ */
.status-panel{
  position:relative;
  margin-top:var(--sp-9);
  padding:48px;
  border-radius:var(--r-lg);
  background:var(--ink-900);
  color:#fff;
  overflow:hidden;
  box-shadow:0 20px 48px rgba(20,16,42,.24);
}
.status-panel::before{
  content:"";
  position:absolute;left:-80px;bottom:-140px;
  width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,69,232,.5),transparent 70%);
}
.status-panel::after{
  content:"";
  position:absolute;right:-60px;top:-120px;
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,174,.34),transparent 70%);
}
.status-inner{position:relative;z-index:2}
.status-panel h2{font-size:30px;line-height:1.32;font-weight:700;letter-spacing:-.4px}
.status-panel .lead{margin-top:12px;max-width:640px;font-size:15px;color:rgba(255,255,255,.72)}
.status-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin-top:32px;
}
.status-row{
  display:flex;align-items:center;gap:14px;
  padding:16px 18px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  transition:background .2s ease,transform .2s ease;
}
.status-row:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.status-row .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--mint-500);
  box-shadow:0 0 0 5px rgba(31,200,174,.16);
  flex-shrink:0;
}
.status-row.warn .dot{background:var(--amber-400);box-shadow:0 0 0 5px rgba(255,176,32,.16)}
.status-row .label{font-size:14.5px;font-weight:600}
.status-row .note{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:2px}
.status-row .state{
  margin-left:auto;font-size:12.5px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(31,200,174,.16);color:#8AE9DA;white-space:nowrap;
}
.status-row.warn .state{background:rgba(255,176,32,.16);color:#FFD08A}

/* ============ 三步流程 ============ */
.step-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--sp-5);
  counter-reset:step;
}
.step-card{
  position:relative;
  padding:32px 26px 28px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(124,92,240,.5)}
.step-card .idx{
  display:grid;place-items:center;
  width:44px;height:44px;
  border-radius:14px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:16px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-card h3{margin-top:18px;font-size:19px;font-weight:600}
.step-card p{margin-top:10px;font-size:14.5px;color:var(--t2)}
.step-card .line{
  position:absolute;right:-13px;top:52px;
  width:26px;height:2px;background:var(--line);
}
.step-card:last-child .line{display:none}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(124,92,240,.42)}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--sh1)}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:16px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--t1);
}
.faq-q .sign{
  margin-left:auto;flex-shrink:0;
  position:relative;width:22px;height:22px;
  transition:transform .28s ease;
}
.faq-q .sign::before,
.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand-600);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:background .2s ease,opacity .2s ease;
}
.faq-q .sign::before{width:14px;height:2px}
.faq-q .sign::after{width:2px;height:14px}
.faq-item.is-open .faq-q .sign{transform:rotate(180deg)}
.faq-item.is-open .faq-q .sign::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a p{
  padding:0 22px 22px;
  font-size:15px;line-height:1.85;color:var(--t2);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  margin-top:var(--sp-9);
  padding:44px 48px;
  border-radius:var(--r-lg);
  background:var(--ink-900);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--sp-6);
  overflow:hidden;
  box-shadow:0 20px 48px rgba(20,16,42,.24);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(106,69,232,.42),transparent 62%);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:30px;font-weight:700;letter-spacing:-.4px;line-height:1.32}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.74)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 26px rgba(106,69,232,.32);
}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(106,69,232,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  border:1.5px solid rgba(255,255,255,.42);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-outline{
  border:1.5px solid var(--brand-600);
  color:var(--brand-600);
  background:transparent;
}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-600);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sp-9);
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding-top:64px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:var(--sp-6);
  padding-bottom:48px;
}
.footer-brand .logo-mark{margin-bottom:14px}
.footer-brand .name{font-size:17px;font-weight:700;color:#fff;letter-spacing:-.2px}
.footer-brand p{margin-top:12px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h3{font-size:14.5px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--mint-500)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--mint-500)}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:110;
  height:46px;padding:0 20px;
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--t2);
  font-size:13.5px;
  box-shadow:var(--sh1);
  opacity:0;visibility:hidden;
  transform:translateY(12px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--sh2)}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container,.nav-shell{max-width:1200px}
  .banner h1{font-size:50px}
}
@media (max-width:1023px){
  .nav-main,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .site-header{top:12px}
  .banner{margin-top:92px;min-height:248px}
  .banner-inner{padding:40px 32px 36px}
  .banner h1{font-size:36px}
  section.block{margin-top:64px}
  .status-panel{margin-top:64px;padding:36px 28px}
  .status-panel h2{font-size:26px}
  .status-list{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr;gap:16px}
  .step-card .line{display:none}
  .cta-band{margin-top:64px;padding:36px 28px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head h2{font-size:28px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 20px}
  .nav-shell{padding:0 16px}
  .brand-text .sub{display:none}
  .site-header{top:10px}
  .banner{margin-top:84px;border-radius:20px}
  .banner-inner{padding:30px 22px 28px}
  .banner h1{font-size:28px;letter-spacing:-.3px}
  .banner p{font-size:14.5px}
  .banner-stats{gap:18px;margin-top:20px}
  .banner-stats .stat b{font-size:20px}
  .crumb-bar{flex-direction:column;align-items:flex-start;gap:14px;margin-top:20px}
  .filters{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .filters::-webkit-scrollbar{display:none}
  section.block{margin-top:48px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:22px}
  .entry-grid{grid-template-columns:1fr}
  .entry-body{padding:20px}
  .status-panel{padding:28px 20px;border-radius:20px}
  .status-panel h2{font-size:22px}
  .status-row{flex-wrap:wrap;gap:10px}
  .status-row .state{margin-left:0}
  .faq-q{padding:18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .cta-band{padding:28px 20px;border-radius:20px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%;flex-direction:column}
  .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:48px;margin-top:64px}
  .footer-bottom{font-size:12.5px}
  .to-top{right:16px;bottom:16px;height:44px;padding:0 16px}
}
@media (max-width:520px){
  .banner h1{font-size:25px}
  .banner-stats .stat b{font-size:18px}
  .entry-body h3{font-size:18px}
  .section-head h2{font-size:21px}
  .to-top span{display:none}
}

/* roulang page: category2 */
:root{
  --brand-600:#6A45E8;
  --brand-500:#7C5CF0;
  --brand-100:#EDE8FF;
  --mint-500:#1FC8AE;
  --mint-100:#E3FAF5;
  --amber-400:#FFB020;
  --ink-900:#14102A;
  --ink-700:#2A2447;
  --paper:#F6F5FB;
  --card:#FFFFFF;
  --line:#E6E2F7;
  --t1:#1A1730;
  --t2:#5C5878;
  --t3:#918DAB;
  --grad:linear-gradient(135deg,#6A45E8 0%,#1FC8AE 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --sh-1:0 4px 16px rgba(20,16,42,.06);
  --sh-2:0 16px 40px rgba(20,16,42,.12);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:.28s cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--paper);
  background-image:radial-gradient(circle at 12% 0%,rgba(106,69,232,.07),transparent 42%),
                   radial-gradient(circle at 92% 6%,rgba(31,200,174,.08),transparent 38%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--mint-500)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(106,69,232,.35);outline-offset:2px;border-radius:8px}
::selection{background:var(--brand-100);color:var(--ink-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:-.5px;line-height:1.3}
.section-head .sub{font-size:15px;color:var(--t2);margin-top:10px;max-width:640px}
.more-link{font-size:15px;font-weight:600;color:var(--brand-600);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.more-link::after{content:"";width:14px;height:14px;background:currentColor;clip-path:polygon(0 0,100% 50%,0 100%);opacity:.85;transition:transform var(--ease)}
.more-link:hover::after{transform:translateX(4px)}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:fixed;left:0;right:0;top:20px;z-index:90;
  transition:top var(--ease);
}
.nav-shell{
  width:100%;max-width:1200px;margin:0 auto;padding:0 24px;
}
.nav-bar{
  display:flex;align-items:center;gap:18px;
  height:64px;padding:0 12px 0 18px;
  background:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 8px 28px rgba(20,16,42,.08);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{top:0}
.site-header.is-scrolled .nav-bar{
  background:rgba(255,255,255,.94);
  border-color:var(--line);
  box-shadow:0 10px 26px rgba(20,16,42,.12);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--t1)}
.brand:hover{color:var(--t1)}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(106,69,232,.32);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .cn{font-size:16px;font-weight:700;letter-spacing:-.2px}
.brand-text .en{font-size:11px;color:var(--t3);letter-spacing:.6px}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;height:44px;padding:0 16px;
  border-radius:999px;font-size:15px;font-weight:500;color:var(--t2);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--brand-600);background:var(--brand-100)}
.nav-link.is-active{color:var(--brand-600);background:var(--brand-100);font-weight:600}
.nav-cta{
  display:inline-flex;align-items:center;height:44px;padding:0 22px;flex-shrink:0;
  border-radius:999px;background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(106,69,232,.28);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 30px rgba(106,69,232,.36)}
.nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;background:var(--brand-100);
  align-items:center;justify-content:center;flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-600);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-600)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{
  display:none;position:fixed;top:96px;right:16px;left:16px;z-index:95;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-2);padding:16px;
}
.nav-drawer.is-open{display:block;animation:drawerIn .3s ease}
@keyframes drawerIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.nav-drawer .nav-link{height:48px;width:100%;justify-content:flex-start;font-size:16px}
.nav-drawer .nav-cta{width:100%;justify-content:center;margin-top:12px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;font-size:16px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(106,69,232,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 38px rgba(106,69,232,.36)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border:1.5px solid var(--brand-600);color:var(--brand-600);background:transparent}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-600);transform:translateY(-2px)}
.btn-ghost{color:var(--t2)}
.btn-ghost:hover{color:var(--brand-600)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 栏目 Banner ============ */
.banner{
  position:relative;margin-top:0;padding:132px 0 64px;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,16,42,.92) 0%,rgba(42,36,71,.86) 52%,rgba(106,69,232,.62) 100%);
}
.banner::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,174,.34),transparent 66%);
  filter:blur(6px);
}
.banner-inner{position:relative;z-index:2;max-width:760px;color:#fff}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:rgba(255,255,255,.6)}
.banner h1{
  font-size:48px;line-height:1.25;font-weight:700;letter-spacing:-.5px;margin-bottom:16px;
}
.banner h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.banner .lede{font-size:17px;color:rgba(255,255,255,.82);max-width:620px;line-height:1.8}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.banner .btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.banner .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff}
.banner .btn-ghost{color:rgba(255,255,255,.78)}
.banner .btn-ghost:hover{color:#fff}

/* ============ 数据徽章条 ============ */
.badge-strip{margin-top:-38px;position:relative;z-index:5}
.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(124,92,240,.5)}
.stat .num{font-size:30px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;letter-spacing:-.5px;display:flex;align-items:baseline;gap:4px}
.stat .num small{font-size:14px;color:var(--t3);font-weight:500}
.stat .lab{font-size:14px;color:var(--t2);margin-top:6px}

/* ============ 筛选条 ============ */
.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.filter-label{font-size:14px;color:var(--t3);margin-right:4px}
.chip{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--t2);
  font-size:15px;font-weight:500;
  transition:all var(--ease);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px)}
.chip.is-on{background:var(--grad);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 8px 20px rgba(106,69,232,.26)}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(124,92,240,.5)}
.card-cover{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:var(--brand-100)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover .float-tag{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(20,16,42,.72);color:#fff;backdrop-filter:blur(6px);
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.2px;
}
.tag-brand{background:var(--brand-100);color:var(--brand-600)}
.tag-mint{background:var(--mint-100);color:#0E8E7C}
.tag-amber{background:#FFF4E0;color:#9A6100}
.card-body{padding:18px 4px 0;display:flex;flex-direction:column;flex:1}
.card-body .tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.card h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:10px}
.card h3 a{color:var(--t1)}
.card h3 a:hover{color:var(--brand-600)}
.card p{font-size:15px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);border-top:1px solid var(--line);
}
.card-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:13px}
.card-foot .go::after{content:"";width:12px;height:12px;background:currentColor;clip-path:polygon(0 0,100% 50%,0 100%);transition:transform var(--ease)}
.card:hover .card-foot .go::after{transform:translateX(4px)}

/* ============ 热度评分 ============ */
.score-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:40px;box-shadow:var(--sh-1);
}
.score-list{display:flex;flex-direction:column;gap:24px;margin-top:8px}
.score-row{display:grid;grid-template-columns:200px 1fr 68px;align-items:center;gap:20px}
.score-row .name{font-weight:600;font-size:16px}
.score-row .name span{display:block;font-size:13px;color:var(--t3);font-weight:400;margin-top:2px}
.bar{height:10px;border-radius:999px;background:var(--brand-100);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:var(--grad)}
.score-row .val{text-align:right;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-600)}

/* ============ 流程 ============ */
.step-grid{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);
  padding:32px 28px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(124,92,240,.5)}
.step .dot{
  width:44px;height:44px;border-radius:999px;background:var(--brand-100);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.step h3{font-size:19px;font-weight:600;margin-bottom:10px}
.step p{font-size:15px;color:var(--t2)}

/* ============ 适用场景清单 ============ */
.scene-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.scene{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(124,92,240,.5)}
.scene .ico{
  width:44px;height:44px;border-radius:14px;background:var(--mint-100);color:#0E8E7C;
  display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;
}
.scene h3{font-size:18px;font-weight:600;margin-bottom:8px}
.scene p{font-size:15px;color:var(--t2)}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;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 var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(124,92,240,.5);box-shadow:var(--sh-1)}
.faq-item[open]{border-color:rgba(124,92,240,.55);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--t3);font-weight:400;
  transition:transform var(--ease),color var(--ease);
}
.faq-item[open] summary::after{content:"−";color:var(--brand-600);transform:rotate(180deg)}
.faq-item .ans{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--t2)}

/* ============ 分页器 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:48px;flex-wrap:wrap}
.pager a,.pager span.pg{
  min-width:44px;height:44px;padding:0 16px;border-radius:999px;display:inline-flex;
  align-items:center;justify-content:center;font-size:15px;font-weight:600;
  border:1px solid var(--line);background:#fff;color:var(--t2);transition:all var(--ease);
}
.pager a:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px)}
.pager .current{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(106,69,232,.26)}

/* ============ CTA 深色卡 ============ */
.cta-band{
  background:linear-gradient(120deg,#14102A 0%,#2A2447 62%,#3A2E6E 100%);
  border-radius:var(--r-xl);padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
  box-shadow:0 24px 50px rgba(20,16,42,.22);
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,69,232,.5),transparent 66%);
}
.cta-band::after{
  content:"";position:absolute;left:40%;bottom:-160px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,174,.32),transparent 68%);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:620px}
.cta-band h2{color:#fff;font-size:32px;font-weight:700;letter-spacing:-.5px;line-height:1.35;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;background:var(--ink-900);color:rgba(255,255,255,.72);
  padding:0 0 32px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;
}
.footer-brand .logo-mark{margin-bottom:16px}
.footer-brand .name{color:#fff;font-size:18px;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:360px}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.64);line-height:1.6}
.footer-col a:hover{color:var(--mint-500)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--mint-500)}

.to-top{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  color:var(--t2);font-size:14px;font-weight:600;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{color:var(--brand-600);box-shadow:var(--sh-2);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container,.nav-shell{max-width:1200px}
  .section{padding:104px 0}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .section-head h2{font-size:26px}
  .banner{padding:120px 0 56px}
  .banner h1{font-size:36px}
  .badge-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:1fr}
  .scene-wrap{grid-template-columns:1fr}
  .score-row{grid-template-columns:150px 1fr 60px}
  .score-panel{padding:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
}
@media (max-width:767px){
  body{font-size:15px}
  .container,.nav-shell{padding:0 16px}
  .section{padding:48px 0}
  .nav-main,.nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-bar{padding:0 8px 0 14px}
  .banner{padding:104px 0 48px}
  .banner h1{font-size:30px}
  .banner .lede{font-size:15px}
  .banner-actions .btn{width:100%}
  .badge-strip{margin-top:-24px}
  .badge-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat{padding:18px}
  .stat .num{font-size:24px}
  .grid-3{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .score-row{grid-template-columns:1fr;gap:8px}
  .score-row .val{text-align:left}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:24px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:479px){
  .banner h1{font-size:26px}
  .section-head h2{font-size:22px}
  .card h3{font-size:18px}
  .pager a,.pager span.pg{min-width:40px;height:40px;padding:0 12px;font-size:14px}
}

/* roulang page: category3 */
:root{
  --brand-600:#6A45E8;
  --brand-500:#7C5CF0;
  --brand-100:#EDE8FF;
  --mint-500:#1FC8AE;
  --mint-100:#E3FAF5;
  --amber-400:#FFB020;
  --ink-900:#14102A;
  --ink-700:#2A2447;
  --paper:#F6F5FB;
  --card:#FFFFFF;
  --line:#E6E2F7;
  --t1:#1A1730;
  --t2:#5C5878;
  --t3:#918DAB;
  --danger:#E5484D;
  --grad:linear-gradient(135deg,#6A45E8 0%,#1FC8AE 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-input:14px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(20,16,42,.06);
  --sh-2:0 16px 40px rgba(20,16,42,.12);
  --container:1200px;
  --sec-space:96px;
  --ease:cubic-bezier(.22,.68,.35,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-600);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:3px solid rgba(106,69,232,.35);outline-offset:2px;border-radius:8px;}
::selection{background:var(--brand-100);color:var(--brand-600);}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 22px rgba(106,69,232,.28);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(106,69,232,.36);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(106,69,232,.28);}
.btn-ghost{
  border:1.5px solid var(--brand-600);
  color:var(--brand-600);
  background:transparent;
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-600);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-quiet{color:var(--t2);}
.btn-quiet:hover{color:var(--brand-600);}
.btn-light{
  background:#fff;
  color:var(--ink-900);
  box-shadow:var(--sh-1);
}
.btn-light:hover{color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  background:var(--brand-100);
  color:var(--brand-600);
  line-height:1.6;
}
.tag-mint{background:var(--mint-100);color:#0E8E7B;}
.tag-amber{background:rgba(255,176,32,.16);color:#9A6200;}
.tag-quiet{background:#F1EFF9;color:var(--t2);}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部导航 ============ */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:#fff;padding:10px 18px;border-radius:var(--r-pill);box-shadow:var(--sh-2);
}
.skip-link:focus{left:24px;top:12px;}

.site-header{
  position:fixed;
  left:0;right:0;top:20px;
  z-index:120;
  transition:top .3s var(--ease);
}
.nav-shell{
  max-width:1248px;
  margin:0 auto;
  padding:0 24px;
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  padding:0 12px 0 18px;
  max-width:none;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  border:1px solid rgba(230,226,247,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 6px 22px rgba(20,16,42,.06);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease),border-radius .3s var(--ease);
}
.site-header.is-scrolled{top:0;}
.site-header.is-scrolled .nav-shell{max-width:100%;padding:0;}
.site-header.is-scrolled .nav-inner{
  border-radius:0;
  background:rgba(255,255,255,.94);
  border-color:transparent;
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 26px rgba(20,16,42,.08);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:700;
  font-size:17px;
  letter-spacing:-.2px;
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  font-size:17px;
  font-weight:700;
  box-shadow:0 6px 16px rgba(106,69,232,.3);
}
.brand-text{color:var(--t1);}
.brand:hover .brand-text{color:var(--brand-600);}

.nav-main{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--t2);
  position:relative;
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-600);}
.nav-link.is-active{background:var(--brand-100);color:var(--brand-600);font-weight:600;}
.nav-cta{flex:0 0 auto;min-height:44px;padding:0 22px;font-size:14px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  margin-left:auto;
  border:1px solid var(--line);
  background:#fff;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink-900);
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-mask{
  position:fixed;inset:0;z-index:110;
  background:rgba(20,16,42,.42);
  backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ============ 栏目 Banner ============ */
.page-banner{
  position:relative;
  margin-top:104px;
  min-height:272px;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  background-image:linear-gradient(115deg,rgba(20,16,42,.92) 0%,rgba(42,36,71,.82) 52%,rgba(106,69,232,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.page-banner::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-160px;
  width:440px;height:440px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,174,.36),rgba(31,200,174,0) 68%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:56px 0;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(255,255,255,.55);}
.banner-inner h1{
  font-size:clamp(28px,4.2vw,48px);
  line-height:1.25;
  letter-spacing:-.5px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.banner-sub{
  max-width:640px;
  font-size:16px;
  line-height:1.75;
  color:rgba(255,255,255,.82);
}
.banner-chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:22px;
}
.banner-chips .tag{
  background:rgba(255,255,255,.14);
  color:#fff;
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  padding:20px 0 4px;
}
.filter-label{
  font-size:14px;
  color:var(--t3);
  margin-right:2px;
}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--t2);
  background:#fff;
  border:1px solid var(--line);
  transition:all .22s var(--ease);
}
.pill:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);}
.pill.is-active{
  background:var(--brand-600);
  border-color:var(--brand-600);
  color:#fff;
  box-shadow:0 10px 22px rgba(106,69,232,.26);
}
.pill.is-active:hover{color:#fff;}

/* ============ 主体网格：1 大卡 + 条目列表 ============ */
.section{padding:var(--sec-space) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{
  font-size:15px;
  color:var(--t2);
  margin-top:8px;
  max-width:620px;
}
.link-more{
  font-size:14px;
  font-weight:600;
  color:var(--brand-600);
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  flex:0 0 auto;
}
.link-more:hover{color:var(--mint-500);}

.split-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
  align-items:start;
}
.col-6{grid-column:span 6;}

.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  display:flex;
  flex-direction:column;
  height:100%;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(124,92,240,.45);
}
.feature-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(120deg,#EDE8FF,#E3FAF5);
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.feature-card:hover .feature-media img{transform:scale(1.05);}
.feature-media .tag{
  position:absolute;
  left:16px;top:16px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);
  color:var(--brand-600);
}
.feature-body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1;}
.feature-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.45;
}
.feature-body p{font-size:15px;color:var(--t2);}
.feature-list{display:grid;gap:8px;}
.feature-list li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--t2);
}
.feature-list li::before{
  content:"";
  position:absolute;left:0;top:10px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--grad);
}
.feature-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
}
.feature-foot .btn{min-height:44px;}

/* 条目列表 */
.item-list{
  display:grid;
  gap:14px;
}
.item-row{
  display:flex;
  align-items:center;
  gap:16px;
  padding:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.item-row:hover{
  transform:translateY(-4px);
  border-color:rgba(124,92,240,.45);
  box-shadow:var(--sh-2);
}
.item-thumb{
  flex:0 0 auto;
  width:96px;
  aspect-ratio:4/3;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:linear-gradient(120deg,#EDE8FF,#E3FAF5);
}
.item-thumb img{width:100%;height:100%;object-fit:cover;}
.item-main{min-width:0;flex:1;}
.item-main h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:4px;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}
.item-main p{
  font-size:13px;
  color:var(--t2);
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.item-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:8px;
  font-size:12px;
  color:var(--t3);
}
.item-arrow{
  flex:0 0 auto;
  width:36px;height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--t3);
  transition:all .25s var(--ease);
}
.item-row:hover .item-arrow{
  background:var(--brand-600);
  border-color:var(--brand-600);
  color:#fff;
  transform:translateX(3px);
}

/* ============ 数字条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  padding:24px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.stat-item{
  text-align:center;
  padding:8px 12px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0;}
.stat-value{
  font-size:28px;
  font-weight:700;
  letter-spacing:-.5px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-label{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--t2);
}

/* ============ 保障 / 卖点 ============ */
.assure-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.assure-item{
  padding:24px;
  border-radius:var(--r-md);
  background:#FBFAFF;
  border:1px solid var(--line);
  transition:background-color .25s var(--ease),transform .25s var(--ease);
}
.assure-item:hover{background:#fff;transform:translateY(-4px);box-shadow:var(--sh-1);}
.assure-icon{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:var(--mint-100);
  color:#0E8E7B;
  font-size:18px;
  font-weight:700;
  margin-bottom:14px;
}
.assure-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.assure-item p{font-size:14px;color:var(--t2);}

/* ============ 适用场景 ============ */
.scene-panel{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:32px;
  align-items:center;
  padding:32px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.scene-copy h2{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
  margin-bottom:12px;
}
.scene-copy > p{font-size:15px;color:var(--t2);margin-bottom:20px;}
.scene-list{display:grid;gap:12px;}
.scene-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:var(--r-sm);
  background:#FBFAFF;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--t2);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.scene-list li:hover{border-color:rgba(124,92,240,.5);background:#fff;}
.scene-list li strong{color:var(--t1);font-weight:600;}
.scene-list .dot{
  flex:0 0 auto;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:12px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.scene-media{
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:4/3;
  background:linear-gradient(120deg,#EDE8FF,#E3FAF5);
}
.scene-media img{width:100%;height:100%;object-fit:cover;}

/* ============ 流程 ============ */
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
}
.step-card{
  position:relative;
  padding:26px 22px;
  border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(124,92,240,.45);}
.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:50%;
  background:var(--ink-900);
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--t2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:rgba(124,92,240,.45);}
.faq-item[open]{box-shadow:var(--sh-1);border-color:rgba(124,92,240,.45);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:16px;
  font-weight:700;
  line-height:1;
  transition:transform .3s var(--ease),background-color .3s var(--ease),color .3s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(135deg);background:var(--brand-600);color:#fff;}
.faq-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
}

/* ============ 分页器 ============ */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  margin-top:48px;
}
.pager a,.pager span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:44px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  background:#fff;
  border:1px solid var(--line);
  color:var(--t2);
  transition:all .22s var(--ease);
}
.pager a:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);}
.pager .is-current{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600;}
.pager .is-disabled{opacity:.45;cursor:not-allowed;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--ink-900);
  border:1px solid rgba(124,92,240,.28);
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-90px;top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(106,69,232,.55),rgba(106,69,232,0) 68%);
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-80px;bottom:-140px;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,174,.4),rgba(31,200,174,0) 70%);
}
.cta-copy{position:relative;z-index:2;max-width:660px;}
.cta-copy h2{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
  margin-bottom:10px;
}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.74);}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  flex:0 0 auto;
}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:96px;
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:var(--grad);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand .logo-mark{margin-bottom:14px;}
.footer-brand .name{
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.6);}
.footer-col a{
  display:inline-block;
  min-height:24px;
  color:rgba(255,255,255,.66);
}
.footer-col a:hover{color:var(--mint-500);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--mint-500);}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  z-index:100;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--brand-600);
  font-size:14px;
  font-weight:600;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:all .3s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none;}
.to-top:hover{color:#fff;background:var(--brand-600);border-color:var(--brand-600);}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--sec-space:104px;}
  .site-header{top:26px;}
}
@media (max-width:1023px){
  :root{--sec-space:64px;}
  .split-grid{gap:20px;}
  .col-6{grid-column:span 12;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .scene-panel{grid-template-columns:1fr;padding:26px;}
  .scene-media{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-banner{min-height:250px;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-main{
    position:fixed;
    top:0;right:0;
    width:min(320px,84vw);
    height:100vh;
    height:100dvh;
    margin-left:0;
    padding:88px 20px 28px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:#fff;
    border-radius:var(--r-lg) 0 0 var(--r-lg);
    box-shadow:-16px 0 44px rgba(20,16,42,.18);
    transform:translateX(104%);
    transition:transform .34s var(--ease);
    overflow-y:auto;
    z-index:115;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-main .nav-link{
    min-height:48px;
    padding:0 18px;
    font-size:15px;
    justify-content:flex-start;
  }
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-shell{padding:0 18px;}
  .nav-inner{height:58px;padding:0 10px 0 14px;}
  .brand-text{font-size:16px;}
  body{font-size:15px;}
  .page-banner{margin-top:92px;border-radius:0 0 var(--r-md) var(--r-md);}
  .banner-inner{padding:40px 0;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:8px;padding:18px;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:12px 6px;}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0;}
  .stat-value{font-size:24px;}
  .assure-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .item-row{flex-wrap:wrap;}
  .item-thumb{width:100%;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .feature-foot{flex-direction:column;align-items:flex-start;}
  .feature-foot .btn{width:100%;}
  .to-top{right:16px;bottom:16px;padding:0 16px;}
}
@media (max-width:520px){
  .banner-inner h1{font-size:28px;}
  .scene-panel{padding:20px;}
  .faq-item summary{padding:16px;font-size:15px;}
  .faq-body{padding:0 16px 18px;}
  .banner-chips .tag{font-size:12px;}
  .pill{padding:0 16px;font-size:13px;}
}