/* roulang page: index */
:root{
  --brand:#2E6BE6;
  --brand-deep:#1B4FB8;
  --brand-tint:#EEF4FF;
  --accent:#FF7A45;
  --accent-tint:#FFF1EA;
  --mint:#12B39A;
  --mint-tint:#E6F7F4;
  --ink:#0F1B2D;
  --ink-2:#41536B;
  --ink-3:#7C8CA3;
  --line:#E6EDF6;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --footer-bg:#0F1B2D;
  --r-xl:22px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sd1:0 8px 24px -14px rgba(15,27,45,.14);
  --sd2:0 16px 36px -16px rgba(15,27,45,.22);
  --sd3:0 -10px 30px -12px rgba(15,27,45,.24);
  --ease:.18s ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.section__title{position:relative;padding-left:14px;font-size:32px;font-weight:800;letter-spacing:.2px}
.section__title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:26px;border-radius:2px;background:var(--brand)}
.section__desc{margin-top:10px;max-width:640px;font-size:15px;color:var(--ink-3)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
.btn svg{flex:0 0 auto;transition:transform var(--ease)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(46,107,230,.85)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px)}
.btn-primary:active{background:#163F92;transform:translateY(0);box-shadow:none}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{height:auto;padding:4px 0;color:var(--brand-deep);font-weight:600}
.btn-text:hover svg{transform:translateX(3px)}
.btn[disabled]{opacity:.4;pointer-events:none}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:var(--sd2)}
.nav-top__inner{display:flex;align-items:center;gap:18px;height:56px}
.brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.brand__dot{width:8px;height:8px;border-radius:2px;background:var(--brand);box-shadow:0 0 0 3px var(--brand-tint);flex:0 0 auto}
.brand__text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.hotwords{flex:1 1 auto;min-width:0;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent);mask-image:linear-gradient(90deg,transparent,#000 14px,#000 calc(100% - 14px),transparent)}
.hotwords::-webkit-scrollbar{display:none}
.hotword{flex:0 0 auto;padding:6px 14px;border-radius:999px;background:var(--brand-tint);color:var(--brand-deep);font-size:13px;font-weight:500;transition:background var(--ease),color var(--ease)}
.hotword:hover{background:var(--brand);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);transition:background var(--ease),color var(--ease)}
.icon-btn:hover{background:var(--brand-tint);color:var(--brand)}
.hamburger{display:none;width:40px;height:40px;border-radius:12px;align-items:center;justify-content:center;color:var(--ink-2);border:1px solid var(--line)}
.hamburger:hover{background:var(--brand-tint);color:var(--brand)}
.nav-channels{background:#FBFDFF;border-top:1px solid var(--line)}
.nav-channels__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:48px;transition:height var(--ease)}
.site-header.is-stuck .nav-channels__inner{height:44px}
.channels{display:flex;align-items:center;gap:6px}
.channel{padding:6px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-2);transition:background var(--ease),color var(--ease)}
.channel:hover{color:var(--brand);background:var(--brand-tint)}
.channel.is-active{color:var(--brand-deep);background:var(--brand-tint)}
.nav-search{position:relative;width:280px;flex:0 0 auto}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--ink-3);pointer-events:none}
.nav-search input{width:100%;height:36px;padding:0 14px 0 40px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:14px;transition:border-color var(--ease),box-shadow var(--ease)}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,107,230,.13)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:100;visibility:hidden;opacity:0;transition:opacity var(--ease),visibility var(--ease)}
.drawer.is-open{visibility:visible;opacity:1}
.drawer__mask{position:absolute;inset:0;background:rgba(15,27,45,.42)}
.drawer__panel{position:absolute;top:0;right:0;bottom:0;width:288px;max-width:86vw;background:var(--surface);padding:22px;transform:translateX(100%);transition:transform .22s ease-out;overflow-y:auto}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer__title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer__group{margin-top:22px}
.drawer__group h4{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.4px;margin-bottom:10px}
.drawer__link{display:block;padding:11px 12px;border-radius:12px;font-size:15px;font-weight:600;color:var(--ink-2);transition:background var(--ease),color var(--ease)}
.drawer__link:hover,.drawer__link.is-active{background:var(--brand-tint);color:var(--brand-deep)}
.drawer__chips{display:flex;flex-wrap:wrap;gap:8px}
.drawer__cta{margin-top:24px;display:flex;flex-direction:column;gap:10px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(246,249,253,.94),rgba(246,249,253,.985) 72%)}
.hero__inner{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--brand-deep);font-size:13px;font-weight:600;box-shadow:var(--sd1)}
.hero__title{margin-top:20px;font-size:44px;font-weight:800;line-height:1.2;letter-spacing:.2px}
.hero__sub{margin-top:18px;max-width:520px;font-size:16.5px;color:var(--ink-2)}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.hero__stats li{display:flex;flex-direction:column;gap:2px}
.hero__stats strong{font-size:18px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.hero__stats span{font-size:13px;color:var(--ink-3)}
.hero__media{position:relative;display:flex;align-items:center;justify-content:center;min-height:420px}
.poster{border-radius:var(--r-lg);overflow:hidden;background:var(--surface);border:1px solid rgba(255,255,255,.9);box-shadow:var(--sd2)}
.poster img{width:100%;height:100%;object-fit:cover}
.poster--main{position:relative;width:262px;aspect-ratio:3/4;z-index:3;box-shadow:0 26px 52px -22px rgba(15,27,45,.38)}
.poster--sm1{position:absolute;right:4%;bottom:4%;width:172px;aspect-ratio:3/4;z-index:2;transform:rotate(-4deg)}
.poster--sm2{position:absolute;left:3%;bottom:16%;width:150px;aspect-ratio:3/4;z-index:2;transform:rotate(5deg)}

/* ---------- 横向轨道 ---------- */
.rail{position:relative;margin-top:24px}
.rail__track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px max(24px,calc((100% - 1200px)/2 + 24px)) 22px;scrollbar-width:none}
.rail__track::-webkit-scrollbar{display:none}
.rail__nav{display:flex;gap:10px}
.rail__btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);transition:all var(--ease)}
.rail__btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--sd1)}
.clip{flex:0 0 260px;scroll-snap-align:start}
.clip__link{display:block;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sd1);transition:transform var(--ease),box-shadow var(--ease)}
.clip__link:hover{transform:translateY(-2px);box-shadow:var(--sd2)}
.clip__thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--brand-tint)}
.clip__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.clip__link:hover .clip__thumb img{transform:scale(1.03)}
.clip__time{position:absolute;left:10px;top:10px;padding:2px 8px;border-radius:6px;background:rgba(15,27,45,.72);color:#fff;font-size:12px;font-variant-numeric:tabular-nums}
.clip__cat{position:absolute;right:10px;top:10px;padding:2px 10px;border-radius:999px;background:rgba(255,255,255,.94);color:var(--brand-deep);font-size:12px;font-weight:600}
.clip__body{padding:14px 16px 16px}
.clip__title{font-size:16px;font-weight:700;line-height:1.45;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.clip__meta{margin-top:8px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ---------- 编号清单 ---------- */
.checklist{margin-top:28px;border-top:1px solid var(--line)}
.checklist__item{display:flex;align-items:center;gap:24px;padding:24px 8px;border-bottom:1px solid var(--line);transition:background var(--ease),transform var(--ease)}
.checklist__item:hover{background:var(--surface);transform:translateX(4px)}
.checklist__num{flex:0 0 auto;font-size:40px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--brand);font-variant-numeric:tabular-nums}
.checklist__body{flex:1 1 auto;min-width:0}
.checklist__body h3{font-size:18px;margin-bottom:6px}
.checklist__body p{font-size:15px;color:var(--ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.tag{padding:2px 10px;border-radius:999px;background:var(--mint-tint);color:#0E8C7A;font-size:12px;font-weight:600}
.checklist__arrow{flex:0 0 auto;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--brand);transition:all var(--ease)}
.checklist__item:hover .checklist__arrow{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 最新信息 ---------- */
.pill-tabs{display:flex;gap:8px;flex-wrap:wrap}
.pill{padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:13.5px;font-weight:600;transition:all var(--ease)}
.pill:hover{border-color:var(--brand);color:var(--brand)}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.news-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;margin-top:28px}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-card{display:block;padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sd1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sd2);border-color:#D6E4FF}
.news-card__cat{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--brand-tint);color:var(--brand-deep);font-size:12px;font-weight:600}
.news-card__title{margin-top:10px;font-size:18px;font-weight:700;line-height:1.45;color:var(--ink)}
.news-card__excerpt{margin-top:8px;font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.is-empty{padding:48px 24px;border:1px dashed #C9D8EF;border-radius:var(--r-md);background:#FBFDFF;text-align:center}
.is-empty__icon{width:56px;height:56px;margin:0 auto 12px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:var(--brand-tint);color:var(--brand)}
.is-empty p{font-size:15px;color:var(--ink-3)}
.news-side{min-width:0}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sd1)}
.side-card + .side-card{margin-top:20px}
.side-card__title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;margin-bottom:14px}
.side-card__title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.rank-list li + li{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.rank-list a{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);transition:color var(--ease)}
.rank-list a:hover{color:var(--brand)}
.rank-num{flex:0 0 auto;width:22px;height:22px;border-radius:8px;background:var(--brand-tint);color:var(--brand-deep);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.rank-num--top{background:var(--accent-tint);color:#D1531F}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{padding:5px 12px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:all var(--ease)}
.tag-cloud a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-tint)}
.side-cta{background:linear-gradient(160deg,var(--brand-tint),#FFFFFF 78%);border:1px solid #D6E4FF;border-radius:var(--r-md);padding:20px}
.side-cta h3{font-size:16px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:14px;color:var(--ink-2)}
.side-cta .btn{margin-top:16px;width:100%}

/* ---------- 口碑跑马灯 ---------- */
.section--quote{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.marquee{position:relative;margin-top:28px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.marquee__track{display:flex;gap:20px;width:max-content;animation:marquee 46s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.quote-card{flex:0 0 306px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:18px}
.quote-card__head{display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--brand-tint);color:var(--brand-deep);font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.quote-card__name{font-size:14px;font-weight:600;color:var(--ink)}
.quote-card__src{font-size:12px;color:var(--ink-3)}
.stars{display:flex;gap:2px;margin-left:auto;color:var(--accent)}
.quote-card__text{margin-top:12px;font-size:14.5px;color:var(--ink-2);line-height:1.7}

/* ---------- 直达带 ---------- */
.direct-band{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;background:var(--brand-tint);border:1px solid #D6E4FF;border-radius:var(--r-lg);padding:40px}
.direct-band h2{font-size:28px;font-weight:800}
.direct-band p{margin-top:12px;max-width:560px;font-size:15.5px;color:var(--ink-2)}
.direct-band__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.qr-box{width:160px;height:160px;border:1px dashed #A9C0E8;border-radius:var(--r-md);background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--brand)}
.direct-band__qr{display:flex;flex-direction:column;align-items:center;gap:10px}
.direct-band__qr span{font-size:13px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.faq__item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq__item.is-open{border-color:#C9D8EF;box-shadow:var(--sd1)}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);transition:color var(--ease)}
.faq__q:hover{color:var(--brand)}
.faq__icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-3);transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease)}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff}
.faq__a{max-height:0;overflow:hidden;transition:max-height .26s ease-out,padding .26s ease-out;padding:0 22px}
.faq__a p{font-size:15px;color:var(--ink-2);padding-bottom:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:#B9C6D8}
.footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-top:64px;padding-bottom:40px}
.footer__brand .brand__text{color:#fff}
.footer__brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#93A4BC;max-width:340px}
.footer__social{display:flex;gap:10px;margin-top:20px}
.footer__social a{width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.12);display:inline-flex;align-items:center;justify-content:center;color:#B9C6D8;transition:all var(--ease)}
.footer__social a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.footer__col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer__col li + li{margin-top:11px}
.footer__col a{font-size:14.5px;color:#93A4BC;transition:color var(--ease)}
.footer__col a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer__bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:20px;padding-bottom:20px;font-size:13px;color:#8394AC}
.footer__links{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 移动吸底 ---------- */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;align-items:center;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);box-shadow:var(--sd3)}
.mobile-bar.is-hidden{display:none !important}
.mobile-bar .btn-primary{flex:1 1 auto}
.mobile-bar__close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-3);flex:0 0 auto}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero__title{font-size:40px}
}
@media (max-width:1023px){
  .hotwords{display:none}
  .nav-search{display:none}
  .hamburger{display:inline-flex}
  .hero__inner{grid-template-columns:1fr;gap:32px;padding-top:48px;padding-bottom:48px}
  .hero__title{font-size:34px}
  .hero__sub{max-width:none}
  .hero__media{min-height:360px}
  .news-layout{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;padding-top:48px}
  .direct-band{grid-template-columns:1fr;padding:32px}
  .direct-band__qr{align-items:flex-start}
}
@media (max-width:767px){
  body{font-size:15px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section__title{font-size:24px}
  .section__title::before{height:20px}
  .hero__title{font-size:28px}
  .hero__sub{font-size:15.5px}
  .hero__stats{grid-template-columns:1fr 1fr;gap:14px}
  .hero__media{min-height:300px}
  .poster--main{width:200px}
  .poster--sm1{width:132px;right:2%}
  .poster--sm2{width:116px;left:2%}
  .rail__track{padding-left:16px;padding-right:16px;gap:16px}
  .clip{flex:0 0 200px}
  .clip__title{font-size:15px;min-height:42px}
  .rail__nav{display:none}
  .checklist__item{gap:14px;padding:18px 4px;align-items:flex-start}
  .checklist__num{font-size:30px}
  .checklist__body h3{font-size:16px}
  .checklist__arrow{width:38px;height:38px}
  .nav-channels{display:none}
  .direct-band h2{font-size:22px}
  .qr-box{width:132px;height:132px}
  .footer__grid{grid-template-columns:1fr;padding-top:40px;padding-bottom:28px;gap:28px}
  .footer__bottom-inner{flex-direction:column;align-items:flex-start;gap:8px}
  .mobile-bar{display:flex}
  .btn{height:44px}
  .side-card{padding:18px}
}
@media (max-width:479px){
  .hero__title{font-size:25px}
  .hero__stats strong{font-size:16px}
  .checklist__num{font-size:26px}
  .quote-card{flex:0 0 250px}
  .pill{padding:6px 13px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand:#2E6BE6;
  --brand-deep:#1B4FB8;
  --brand-tint:#EEF4FF;
  --accent:#FF7A45;
  --mint:#12B39A;
  --ink:#0F1B2D;
  --ink-2:#41536B;
  --ink-3:#7C8CA3;
  --line:#E6EDF6;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --sd1:0 8px 24px -8px rgba(15,27,45,.10);
  --sd2:0 14px 32px -10px rgba(15,27,45,.16);
  --sd3:0 -10px 30px -12px rgba(15,27,45,.22);
  --r-xl:20px;
  --r:16px;
  --r-sm:12px;
  --pill:999px;
  --gap:24px;
  --dur:.18s;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow var(--dur) ease-out}
.site-header.is-stuck{box-shadow:var(--sd2)}
.topbar__inner{height:56px;display:flex;align-items:center;gap:18px}
.brand{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}
.brand__dot{width:6px;height:6px;border-radius:2px;background:var(--brand);flex:0 0 auto}
.brand__text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.hotwords{flex:1 1 auto;min-width:0;position:relative;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.hotwords__track{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 2px}
.hotwords__track::-webkit-scrollbar{display:none}
.hotword{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:var(--pill);background:var(--brand-tint);color:var(--brand-deep);font-size:13px;transition:background var(--dur) ease-out,transform var(--dur) ease-out}
.hotword:hover{background:#e2ecff;transform:translateY(-1px)}
.hotword i{font-size:11px;color:var(--brand)}
.topbar__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{width:38px;height:38px;border-radius:var(--pill);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);background:var(--surface);transition:border-color var(--dur),color var(--dur),background var(--dur)}
.icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--pill);font-size:15px;font-weight:600;transition:transform var(--dur) ease-out,background var(--dur),color var(--dur),border-color var(--dur),box-shadow var(--dur)}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -10px rgba(46,107,230,.75)}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0);background:var(--brand-deep)}
.btn--ghost{background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand-deep)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.hamburger{display:none;width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink)}
.channelsbar{background:#FBFDFF;border-top:1px solid var(--line)}
.channelsbar__inner{height:48px;display:flex;align-items:center;gap:20px}
.channels{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;height:100%}
.channels::-webkit-scrollbar{display:none}
.channel{position:relative;display:inline-flex;align-items:center;height:100%;padding:0 14px;font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color var(--dur)}
.channel::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform var(--dur) ease-out}
.channel:hover{color:var(--brand-deep)}
.channel:hover::after{transform:scaleX(1)}
.channel.is-active{color:var(--brand-deep);font-weight:700}
.channel.is-active::after{transform:scaleX(1)}
.search{position:relative;flex:0 0 300px}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--ink-3)}
.search input{width:100%;height:36px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);padding:0 12px 0 36px;font-size:14px;color:var(--ink);transition:border-color var(--dur),box-shadow var(--dur)}
.search input::placeholder{color:var(--ink-3)}
.search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,107,230,.14);outline:none}

/* ---------- 抽屉 ---------- */
.scrim{position:fixed;inset:0;background:rgba(15,27,45,.4);opacity:0;visibility:hidden;transition:opacity var(--dur);z-index:80}
.scrim.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:var(--surface);z-index:90;transform:translateX(102%);transition:transform .22s ease-out;padding:20px;overflow-y:auto;box-shadow:var(--sd2)}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__title{font-size:16px;font-weight:800;color:var(--ink)}
.drawer__group{margin-bottom:22px}
.drawer__label{font-size:12px;color:var(--ink-3);letter-spacing:1px;margin-bottom:10px}
.drawer__links a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:0 12px;border-radius:var(--r-sm);color:var(--ink);font-size:15px;transition:background var(--dur),color var(--dur)}
.drawer__links a:hover,.drawer__links a.is-active{background:var(--brand-tint);color:var(--brand-deep)}
.drawer__pills{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:13px;color:var(--ink-3)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li:not(:last-child)::after{content:"/";color:#c6d2e2}
.crumbs a:hover{color:var(--brand-deep)}
.crumbs .current{color:var(--ink-3)}

/* ---------- 文章头 ---------- */
.article-hero{position:relative;margin-top:16px;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;background:var(--brand-tint)}
.article-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.16}
.article-hero__dots{position:absolute;inset:0;background-image:radial-gradient(rgba(46,107,230,.28) 1px,transparent 1px);background-size:18px 18px;opacity:.35}
.article-hero__inner{position:relative;padding:38px 36px 32px}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--pill);font-size:12px;font-weight:600;line-height:1}
.badge--brand{background:var(--brand-tint);color:var(--brand-deep);border:1px solid #d8e5ff}
.badge--mint{background:#e6f8f4;color:#0d8574}
.badge--accent{background:#fff0e9;color:#c9531f}
.article-hero h1{margin:14px 0 0;font-size:44px;letter-spacing:-.4px;max-width:900px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:16px;font-size:13px;color:var(--ink-3)}
.meta__item{display:inline-flex;align-items:center;gap:6px}
.meta__item i{color:var(--brand)}
.share{display:flex;align-items:center;gap:8px;margin-left:auto}
.share button{width:34px;height:34px;border-radius:var(--pill);border:1px solid var(--line);background:var(--surface);color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;transition:border-color var(--dur),color var(--dur),transform var(--dur)}
.share button:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}

/* ---------- 布局 ---------- */
.layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start;padding:32px 0 64px}
.ad-slot{height:1px;background:var(--line);margin:0 0 24px}
.ad-slot:last-child{margin:28px 0 0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sd1);padding:32px}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--ink-2)}
.article-body p{margin:0 0 1.4em}
.article-body h2{position:relative;font-size:32px;margin:44px 0 18px;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--brand)}
.article-body h3{font-size:22px;margin:32px 0 14px}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(46,107,230,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--brand)}
.article-body ol{counter-reset:n;padding-left:0}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:8px;counter-increment:n}
.article-body ol li::before{content:counter(n);position:absolute;left:0;top:.35em;font-size:12px;font-weight:700;color:var(--brand-deep);background:var(--brand-tint);width:18px;height:18px;border-radius:6px;display:flex;align-items:center;justify-content:center}
.article-body blockquote{margin:0 0 1.4em;padding:16px 20px;background:var(--brand-tint);border-left:3px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:22px auto;width:100%}
.article-body figure{margin:22px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;margin:0 0 1.4em;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:var(--brand-tint);color:var(--ink);font-weight:700}
.article-body tr:nth-child(even) td{background:#fafcff}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:#f2f6fd;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}
.empty-state{border:1px dashed #cbd8ea;border-radius:var(--r);padding:44px 24px;text-align:center;background:#fbfdff}
.empty-state i{font-size:26px;color:var(--brand)}
.empty-state h3{margin:14px 0 8px;font-size:20px}
.empty-state p{color:var(--ink-3);font-size:14px;margin-bottom:18px}

/* ---------- 正文尾部 ---------- */
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:var(--pill);border:1px solid var(--line);background:var(--surface);font-size:13px;color:var(--ink-2);transition:border-color var(--dur),color var(--dur),transform var(--dur)}
.tag:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px)}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:56px 0 20px}
.section-head h2{font-size:26px}
.section-head .more{font-size:14px;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
.section-head .more i{transition:transform var(--dur)}
.section-head .more:hover i{transform:translateX(3px)}
.dual{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mini-card{display:flex;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sd1);transition:transform var(--dur) ease-out,box-shadow var(--dur)}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--sd2)}
.mini-card__label{font-size:12px;color:var(--ink-3);letter-spacing:1px}
.mini-card h3{font-size:17px;margin:6px 0 4px}
.mini-card p{font-size:13px;color:var(--ink-3)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sd1);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--dur) ease-out,box-shadow var(--dur)}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--sd2)}
.rcard__cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.rcard__cover img{width:100%;height:100%;transition:transform .35s ease-out}
.rcard:hover .rcard__cover img{transform:scale(1.03)}
.rcard__body{padding:18px;display:flex;flex-direction:column;gap:8px}
.rcard__body h3{font-size:17px}
.rcard__body p{font-size:13px;color:var(--ink-3)}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side__card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sd1)}
.side__title{font-size:15px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side__title i{color:var(--brand)}
.toc{max-height:320px;overflow-y:auto;padding-right:6px}
.toc a{display:block;padding:7px 10px;border-left:2px solid transparent;font-size:14px;color:var(--ink-2);border-radius:0 var(--r-sm) var(--r-sm) 0;transition:color var(--dur),background var(--dur),border-color var(--dur)}
.toc a:hover{color:var(--brand-deep);background:#fafcff}
.toc a.is-current{color:var(--brand-deep);border-left-color:var(--brand);background:var(--brand-tint);font-weight:600}
.toc .toc__empty{font-size:13px;color:var(--ink-3);padding:8px 10px}
.rank{display:flex;flex-direction:column;gap:2px}
.rank a{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:var(--r-sm);transition:background var(--dur),transform var(--dur)}
.rank a:hover{background:#f6f9fd;transform:translateX(3px)}
.rank__no{flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--brand-tint);color:var(--brand-deep);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px}
.rank a:nth-child(1) .rank__no{background:#fff0e9;color:#c9531f}
.rank__txt{font-size:14px;color:var(--ink);line-height:1.6}
.rank__sub{font-size:12px;color:var(--ink-3);margin-top:2px}
.cloud{display:flex;flex-wrap:wrap;gap:8px}
.cloud a{display:inline-flex;align-items:center;height:28px;padding:0 11px;border-radius:var(--pill);background:#f4f8fe;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:all var(--dur)}
.cloud a:hover{background:var(--brand-tint);border-color:#cfe0ff;color:var(--brand-deep)}
.direct{background:linear-gradient(180deg,#ffffff,#f4f8ff);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sd1)}
.direct img{width:100%;aspect-ratio:16/9}
.direct__body{padding:18px}
.direct__body h3{font-size:16px;margin-bottom:6px}
.direct__body p{font-size:13px;color:var(--ink-3);margin-bottom:14px}
.direct__body .btn{width:100%}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);border:1px solid #1e4fb0;margin-bottom:72px}
.cta-band__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.3}
.cta-band__mask{position:absolute;inset:0;background:linear-gradient(90deg,#123a8f 0%,#1B4FB8 62%,rgba(27,79,184,.82) 100%)}
.cta-band__inner{position:relative;display:flex;align-items:center;gap:32px;padding:40px}
.cta-band__txt{flex:1 1 auto}
.cta-band h2{color:#fff;font-size:30px}
.cta-band p{color:#d7e3ff;font-size:15px;margin-top:10px;max-width:560px}
.cta-band__btns{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.btn--light{background:#fff;color:var(--brand-deep)}
.btn--light:hover{background:#eef4ff;transform:translateY(-1px)}
.btn--outline{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
.btn--outline:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.qr{flex:0 0 auto;width:160px;height:160px;border-radius:var(--r);border:1px dashed rgba(255,255,255,.6);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#dbe6ff;font-size:12px;background:rgba(255,255,255,.08)}

/* ---------- FAQ ---------- */
.faqs{display:grid;gap:12px;margin-bottom:72px}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sd1);overflow:hidden}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);min-height:44px}
.faq__q i{color:var(--brand);transition:transform var(--dur) ease-out;flex:0 0 auto}
.faq.is-open .faq__q i{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq__a p{padding:0 22px 20px;font-size:15px;color:var(--ink-2);background:#fbfdff}
.faq.is-open .faq__a{max-height:320px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1B2D;color:#b9c6da;margin-top:16px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 24px 40px}
.footer__brand .brand__text{color:#fff}
.footer__brand p{font-size:14px;margin-top:14px;line-height:1.8;color:#93a4bd;max-width:320px}
.footer__social{display:flex;gap:10px;margin-top:18px}
.footer__social a{width:36px;height:36px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center;color:#c9d6e8;transition:all var(--dur)}
.footer__social a:hover{border-color:var(--brand);color:#fff;background:rgba(46,107,230,.24)}
.footer__col h3{color:#fff;font-size:15px;margin-bottom:16px}
.footer__col li{margin-bottom:10px}
.footer__col a{font-size:14px;color:#a7b6cc;transition:color var(--dur)}
.footer__col a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer__bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:13px;color:#8fa0b8;flex-wrap:wrap}
.footer__links{display:flex;gap:18px;flex-wrap:wrap}
.footer__links a:hover{color:#fff}

/* ---------- 移动吸底 ---------- */
.sticky-cta{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .layout{grid-template-columns:1fr 340px;gap:24px}
  .article-hero h1{font-size:38px}
}
@media (max-width:1023px){
  .hotwords{display:none}
  .hamburger{display:inline-flex}
  .search{display:none}
  .layout{grid-template-columns:1fr}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side__card,.direct{flex:1 1 300px}
  .related{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar__inner{height:56px;gap:12px}
  .brand__text{font-size:16px}
  .article-hero__inner{padding:26px 20px 24px}
  .article-hero h1{font-size:30px}
  .meta{gap:12px}
  .share{margin-left:0;width:100%}
  .panel{padding:22px 18px}
  .article-body h2{font-size:24px;margin:34px 0 14px}
  .article-body h3{font-size:19px}
  .dual{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:28px 20px}
  .cta-band h2{font-size:24px}
  .qr{width:120px;height:120px}
  .footer__grid{grid-template-columns:1fr;gap:26px;padding:40px 16px 28px}
  .footer__bottom-inner{flex-direction:column;align-items:flex-start;padding:18px 16px}
  .layout{padding-bottom:110px}
  .sticky-cta{display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:75;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--line);box-shadow:var(--sd3);backdrop-filter:blur(8px)}
  .sticky-cta .btn{flex:1 1 0;height:48px}
}
@media (max-width:479px){
  .article-hero h1{font-size:26px}
  .section-head h2{font-size:22px}
  .cta-band h2{font-size:21px}
  .btn{font-size:14px;padding:0 16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .rcard:hover,.mini-card:hover,.btn:hover{transform:none!important}
}

/* roulang page: category1 */
:root{
  --brand:#2E6BE6;
  --brand-deep:#1B4FB8;
  --brand-tint:#EEF4FF;
  --accent:#FF7A45;
  --accent-tint:#FFF1EA;
  --mint:#12B39A;
  --mint-tint:#E6F7F4;
  --ink:#0F1B2D;
  --ink-2:#41536B;
  --ink-3:#7C8CA3;
  --line:#E6EDF6;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sd1:0 8px 24px rgba(15,27,45,.10);
  --sd2:0 10px 28px rgba(15,27,45,.16);
  --sd3:0 -8px 24px rgba(15,27,45,.12);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head__title{font-size:32px}
.section-head__title::before{content:"";display:block;width:44px;height:4px;border-radius:2px;background:var(--brand);margin-bottom:14px}
.section-head__desc{margin-top:10px;font-size:15px;color:var(--ink-3);max-width:640px}
.tnum{font-variant-numeric:tabular-nums}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:var(--sd2)}
.brandbar{border-bottom:1px solid var(--line);background:var(--surface)}
.brandbar__inner{display:flex;align-items:center;gap:20px;height:64px;transition:height var(--ease)}
.site-header.is-stuck .brandbar__inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0}
.brand__dot{width:8px;height:8px;border-radius:2px;background:var(--brand);display:inline-block}
.brand__text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.3px}
.hotwords{flex:1;min-width:0;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);padding:0 6px}
.hotwords::-webkit-scrollbar{display:none}
.hotword{flex:0 0 auto;font-size:13px;color:var(--ink-2);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 13px;transition:all var(--ease)}
.hotword:hover{color:var(--brand-deep);border-color:#C9DAFB;background:var(--brand-tint)}
.brandbar__actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--ink-2);background:var(--surface);transition:all var(--ease)}
.icon-btn:hover{color:var(--brand);border-color:#C9DAFB;background:var(--brand-tint)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;transition:all var(--ease);white-space:nowrap}
.btn--primary{background:var(--brand);color:#fff;border:1px solid var(--brand)}
.btn--primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0);background:#17429E}
.btn--ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand-deep)}
.btn--accent{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.btn--accent:hover{background:#F0692F;border-color:#F0692F;transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.channels-wrap{background:#FBFDFF;border-bottom:1px solid var(--line)}
.channels-row{display:flex;align-items:center;gap:18px;height:52px}
.channels{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0}
.channels::-webkit-scrollbar{display:none}
.channel{position:relative;flex:0 0 auto;font-size:15px;font-weight:500;color:var(--ink-2);padding:8px 14px;border-radius:var(--r-pill);transition:all var(--ease)}
.channel:hover{color:var(--brand-deep);background:var(--brand-tint)}
.channel.is-active{color:var(--brand-deep);background:var(--brand-tint);font-weight:700}
.channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.searchbox{display:flex;align-items:center;gap:8px;width:280px;flex-shrink:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:0 12px;height:40px;transition:all var(--ease)}
.searchbox:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,107,230,.12)}
.searchbox input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--ink);outline:none}
.searchbox input::placeholder{color:var(--ink-3)}
.searchbox svg{color:var(--ink-3);flex-shrink:0}
.burger{display:none}
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer__mask{position:absolute;inset:0;background:rgba(15,27,45,.4);opacity:0;transition:opacity var(--ease)}
.drawer__panel{position:absolute;top:0;right:0;height:100%;width:320px;max-width:86vw;background:var(--surface);transform:translateX(100%);transition:transform var(--ease);padding:24px 20px;overflow-y:auto;box-shadow:var(--sd2)}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer__mask{opacity:1}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer__title{font-size:16px;font-weight:800;color:var(--ink)}
.drawer__group{margin-bottom:26px}
.drawer__group h4{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:1px;margin-bottom:12px}
.drawer__links{display:flex;flex-direction:column;gap:4px}
.drawer__links a{padding:11px 12px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);transition:all var(--ease)}
.drawer__links a:hover,.drawer__links a.is-active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
.drawer__tags{display:flex;flex-wrap:wrap;gap:8px}

/* ============ Hero ============ */
.cat-hero{position:relative;background:var(--brand-tint);border-bottom:1px solid var(--line);overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(46,107,230,.10) 1px,transparent 1px);background-size:18px 18px;opacity:.55;pointer-events:none}
.cat-hero__inner{position:relative;display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:center;padding:52px 0 46px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:16px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{opacity:.6}
.cat-hero h1{font-size:44px;letter-spacing:-.4px}
.cat-hero h1 em{font-style:normal;color:var(--brand-deep)}
.cat-hero__lead{margin-top:16px;font-size:16px;color:var(--ink-2);max-width:620px}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sd1)}
.stat-card h3{font-size:14px;color:var(--ink-3);font-weight:600;margin-bottom:16px}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2)}
.stat-row:last-child{border-bottom:0}
.stat-row b{font-size:20px;color:var(--ink);font-variant-numeric:tabular-nums}
.stat-live{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--mint);background:var(--mint-tint);border-radius:var(--r-pill);padding:5px 12px;margin-top:14px}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--mint);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ============ Filter ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:22px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.filter-group{display:flex;align-items:center;gap:10px;min-width:0}
.filter-group__label{font-size:13px;color:var(--ink-3);flex-shrink:0}
.pills{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.pills::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;font-size:14px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px;transition:all var(--ease)}
.pill:hover{border-color:#C9DAFB;color:var(--brand-deep)}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* ============ Card wall ============ */
.card-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px}
.vcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sd1);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease)}
.vcard:hover{transform:translateY(-2px);box-shadow:var(--sd2)}
.vcard__cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--brand-tint)}
.vcard__cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.vcard:hover .vcard__cover img{transform:scale(1.03)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1}
.badge--cat{background:var(--brand-tint);color:var(--brand-deep)}
.badge--status{background:var(--mint-tint);color:var(--mint)}
.badge--hot{background:var(--accent-tint);color:#D8562C}
.vcard__cat{position:absolute;top:12px;right:12px}
.vcard__time{position:absolute;top:12px;left:12px;background:rgba(15,27,45,.62);color:#fff;font-size:12px;font-weight:600;padding:4px 9px;border-radius:6px;font-variant-numeric:tabular-nums}
.vcard__body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.vcard__title{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vcard:hover .vcard__title{color:var(--brand-deep)}
.vcard__excerpt{font-size:14px;color:var(--ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vcard__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.vcard__steps{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:12px;color:var(--ink-2);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 10px}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:40px}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);font-size:14px;font-weight:600;color:var(--ink-2);transition:all var(--ease)}
.pager a:hover{border-color:var(--brand);color:var(--brand-deep)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff}

/* ============ Triple block ============ */
.triple{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;margin-top:8px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sd1)}
.panel h3{font-size:18px;margin-bottom:18px}
.rank-list li{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);transition:all var(--ease)}
.rank-list li:last-child{border-bottom:0}
.rank-list li:hover{transform:translateY(-1px)}
.rank-no{font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;width:26px;flex-shrink:0;padding-top:2px}
.rank-txt{font-size:15px;color:var(--ink);font-weight:600;line-height:1.5}
.rank-sub{font-size:13px;color:var(--ink-3);margin-top:4px;font-weight:400}
.tagcloud{display:flex;flex-wrap:wrap;gap:10px}
.tagcloud a{font-size:13px;color:var(--ink-2);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 14px;transition:all var(--ease)}
.tagcloud a:hover{background:var(--brand-tint);border-color:#C9DAFB;color:var(--brand-deep)}
.direct-card{background:linear-gradient(180deg,#FFFFFF 0%,var(--brand-tint) 100%);border:1px solid #D9E5FC;text-align:center}
.direct-card p{font-size:14px;color:var(--ink-2);margin-bottom:18px}
.qr{width:160px;height:160px;margin:0 auto 18px;border:1px dashed #B8CDF5;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;color:var(--ink-3);background:#fff}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sd1);overflow:hidden;transition:border-color var(--ease)}
.faq-item.is-open{border-color:#C9DAFB}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 22px;font-size:16px;font-weight:700;color:var(--ink)}
.faq-q .plus{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--brand-tint);color:var(--brand-deep);display:inline-flex;align-items:center;justify-content:center;transition:transform var(--ease)}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a__inner{padding:0 22px 20px;font-size:15px;color:var(--ink-2);background:linear-gradient(180deg,rgba(238,244,255,0) 0%,rgba(238,244,255,.55) 100%);margin:0 0 0 0;padding-top:4px}

/* ============ CTA ============ */
.cta-band{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sd1);padding:36px;display:grid;grid-template-columns:1fr 200px;gap:32px;align-items:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:var(--brand-tint);opacity:.7}
.cta-band h2{font-size:28px;position:relative;z-index:1}
.cta-band p{margin-top:12px;color:var(--ink-3);max-width:560px;position:relative;z-index:1}
.cta-band__actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;position:relative;z-index:1}
.cta-qr{position:relative;z-index:1;background:var(--bg);border:1px dashed #B8CDF5;border-radius:var(--r-md);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:13px;text-align:center;padding:12px}

/* ============ Footer ============ */
.site-footer{background:#0F1B2D;color:#B9C6D8;margin-top:80px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 24px 48px}
.footer__brand .brand__text{color:#fff}
.footer__brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#96A6BC;max-width:320px}
.footer__social{display:flex;gap:10px;margin-top:20px}
.footer__social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.14);display:inline-flex;align-items:center;justify-content:center;color:#B9C6D8;transition:all var(--ease)}
.footer__social a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.footer__col h3{font-size:15px;color:#fff;margin-bottom:18px}
.footer__col ul li{margin-bottom:12px}
.footer__col ul a{font-size:14px;color:#96A6BC;transition:color var(--ease)}
.footer__col ul a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.10)}
.footer__bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;font-size:13px;color:#7F8FA6;flex-wrap:wrap}
.footer__links{display:flex;gap:18px;flex-wrap:wrap}
.footer__links a:hover{color:#fff}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .card-wall{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .hotwords{display:none}
  .cat-hero__inner{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .cat-hero h1{font-size:34px}
  .card-wall{grid-template-columns:repeat(2,1fr)}
  .triple{grid-template-columns:1fr 1fr}
  .triple .panel:last-child{grid-column:1 / -1}
  .searchbox{display:none}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head__title{font-size:24px}
  .cat-hero h1{font-size:30px}
  .cat-hero__lead{font-size:15px}
  .card-wall{grid-template-columns:1fr;gap:16px}
  .triple{grid-template-columns:1fr}
  .brandbar__actions .btn{display:none}
  .burger{display:inline-flex}
  .channels-row{height:48px}
  .cta-band{grid-template-columns:1fr;padding:24px}
  .cta-qr{max-width:200px}
  .pager a,.pager span{min-width:44px;height:44px;padding:0 12px}
  .footer__grid{grid-template-columns:1fr;padding:44px 16px 32px}
  .footer__bottom-inner{flex-direction:column;align-items:flex-start;padding:18px 16px}
}
@media (max-width:479px){
  .cat-hero h1{font-size:26px}
  .vcard__title{font-size:16px}
  .btn{height:46px;padding:0 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#2E6BE6;
  --brand-deep:#1B4FB8;
  --brand-tint:#EEF4FF;
  --accent:#FF7A45;
  --accent-tint:#FFF1EA;
  --mint:#12B39A;
  --mint-tint:#E7F7F3;
  --ink:#0F1B2D;
  --ink-2:#41536B;
  --ink-3:#7C8CA3;
  --line:#E6EDF6;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --warm:#FBF6EE;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sd1:0 8px 24px -12px rgba(15,27,45,.10);
  --sd2:0 14px 30px -12px rgba(15,27,45,.16);
  --sd3:0 -10px 30px -14px rgba(15,27,45,.24);
  --gap:24px;
  --sec:80px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
a{color:var(--brand-deep);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
svg{flex:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.nums{font-variant-numeric:tabular-nums;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;border:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(46,107,230,.9);}
.btn--primary:hover{background:#2459c9;color:#fff;transform:translateY(-1px);}
.btn--primary:active{background:var(--brand-deep);transform:translateY(0);}
.btn--ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);}
.btn--text{height:auto;padding:6px 0;color:var(--brand-deep);font-weight:600;background:none;}
.btn--text svg{transition:transform var(--ease);}
.btn--text:hover svg{transform:translateX(3px);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
}
.badge--brand{background:var(--brand-tint);color:var(--brand-deep);}
.badge--mint{background:var(--mint-tint);color:#0d8a78;}
.badge--accent{background:var(--accent-tint);color:#c9501f;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:var(--bg);border:1px solid var(--line);color:var(--ink-3);font-size:12px;font-weight:500;
}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sd2);}
.topbar__inner{
  display:flex;align-items:center;gap:18px;height:64px;
  transition:height var(--ease);
}
.site-header.is-stuck .topbar__inner{height:54px;}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);flex:none;}
.brand__dot{
  width:8px;height:8px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 0 4px var(--brand-tint);
}
.brand__text{font-size:18px;letter-spacing:.4px;}
.hotwords{
  display:flex;align-items:center;gap:10px;flex:1;min-width:0;
  overflow:hidden;transition:opacity var(--ease);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 26px,#000 calc(100% - 26px),transparent);
  mask-image:linear-gradient(90deg,transparent,#000 26px,#000 calc(100% - 26px),transparent);
}
.site-header.is-stuck .hotwords{opacity:0;visibility:hidden;}
.hotwords__label{
  font-size:12px;color:var(--ink-3);flex:none;padding-left:8px;
}
.hotwords__track{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:6px 0;}
.hotwords__track::-webkit-scrollbar{display:none;}
.pill{
  flex:none;display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--bg);border:1px solid var(--line);
  color:var(--ink-2);font-size:13px;font-weight:500;
}
.pill:hover{background:var(--brand-tint);border-color:#cfdffb;color:var(--brand-deep);}
.topbar__actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-tint);}
.hamburger{display:none;}
.channelbar{background:#FBFDFF;border-top:1px solid var(--line);}
.channelbar__inner{display:flex;align-items:center;gap:20px;height:50px;}
.channels{display:flex;align-items:center;gap:6px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:none;padding:6px 12px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
}
.channel:hover{background:var(--brand-tint);color:var(--brand-deep);}
.channel.is-active{color:var(--brand-deep);}
.channel.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-9px;height:2px;
  background:var(--brand);border-radius:2px;
}
.search{
  display:flex;align-items:center;gap:8px;flex:none;width:280px;height:38px;
  padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);color:var(--ink-3);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(46,107,230,.12);}
.search input{
  border:0;background:none;outline:none;width:100%;font-size:14px;color:var(--ink);
}
.search input::placeholder{color:var(--ink-3);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--surface);
  transform:translateX(100%);transition:transform 220ms ease-out;z-index:120;
  padding:20px;overflow-y:auto;box-shadow:var(--sd2);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__title{font-size:15px;color:var(--ink-3);font-weight:600;}
.drawer__group{margin-bottom:22px;}
.drawer__group h3{font-size:14px;color:var(--ink-3);font-weight:600;margin-bottom:10px;letter-spacing:.4px;}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 12px;border-radius:var(--r-sm);color:var(--ink-2);font-weight:600;
}
.drawer__list a:hover{background:var(--brand-tint);color:var(--brand-deep);}
.drawer__taglist{display:flex;flex-wrap:wrap;gap:8px;}
.overlay{
  position:fixed;inset:0;background:rgba(15,27,45,.4);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:110;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 窄头部 ---------- */
.page-head{
  background:var(--brand-tint);
  background-image:radial-gradient(rgba(46,107,230,.16) 1px,transparent 1px);
  background-size:16px 16px;
  border-bottom:1px solid var(--line);
}
.page-head__inner{padding:34px 0 30px;max-width:960px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:14px;}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb span{color:var(--ink-3);}
.page-head h1{font-size:34px;margin-bottom:12px;}
.page-head__lead{font-size:16px;color:var(--ink-2);max-width:720px;}
.page-head__stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);
}
.stat-chip strong{color:var(--ink);font-weight:700;}

/* ---------- 主体两栏 ---------- */
.section{padding:var(--sec) 0;}
.section--tight{padding-top:48px;}
.layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start;}
.index-rail{position:sticky;top:132px;}
.rail-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sd1);
}
.rail-card__title{
  font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.6px;
  padding-bottom:12px;border-bottom:1px dashed var(--line);margin-bottom:12px;
}
.index-link{
  display:flex;align-items:flex-start;gap:10px;padding:9px 10px 9px 12px;
  border-radius:var(--r-sm);color:var(--ink-2);font-size:14px;font-weight:600;
  border-left:3px solid transparent;line-height:1.5;
}
.index-link span{color:var(--ink-3);font-weight:700;font-variant-numeric:tabular-nums;}
.index-link:hover{background:var(--brand-tint);color:var(--brand-deep);}
.index-link.is-active{background:var(--brand-tint);color:var(--brand-deep);border-left-color:var(--brand);}
.index-link.is-active span{color:var(--brand-deep);}

.doc-section{
  scroll-margin-top:132px;
  padding-bottom:44px;margin-bottom:44px;border-bottom:1px solid var(--line);
}
.doc-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.doc-section h2{
  font-size:24px;padding-left:14px;position:relative;margin-bottom:14px;
}
.doc-section h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  border-radius:2px;background:var(--brand);
}
.doc-section__lead{font-size:15px;color:var(--ink-2);margin-bottom:22px;max-width:720px;}
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start;}
.note-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sd1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.note-card:hover{transform:translateY(-2px);box-shadow:var(--sd2);border-color:#d8e6fb;}
.note-card--offset{margin-top:34px;}
.note-card__icon{
  width:38px;height:38px;border-radius:12px;background:var(--brand-tint);color:var(--brand-deep);
  display:grid;place-items:center;margin-bottom:14px;
}
.note-card--mint .note-card__icon{background:var(--mint-tint);color:#0d8a78;}
.note-card--accent .note-card__icon{background:var(--accent-tint);color:#c9501f;}
.note-card h3{font-size:17px;margin-bottom:8px;}
.note-card p{font-size:14.5px;color:var(--ink-2);}
.note-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- 口碑墙 ---------- */
.wall-section{background:var(--warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.wall-head{max-width:680px;margin-bottom:34px;}
.wall-head h2{font-size:26px;margin-bottom:10px;}
.wall-head p{font-size:15px;color:var(--ink-2);}
.wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:start;}
.wall-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sd1);display:flex;gap:16px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.wall-card:hover{transform:translateY(-2px);box-shadow:var(--sd2);}
.wall-card--offset{margin-top:30px;}
.wall-card__thumb{
  width:88px;flex:none;aspect-ratio:3/4;border-radius:var(--r-sm);object-fit:cover;
  border:1px solid var(--line);
}
.wall-card__body{min-width:0;}
.wall-card__name{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink);}
.stars{display:inline-flex;gap:2px;color:var(--accent);}
.wall-card__text{font-size:14.5px;color:var(--ink-2);margin-top:8px;}
.wall-card__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;}
.faq__item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 20px;box-shadow:var(--sd1);transition:border-color var(--ease),box-shadow var(--ease);
}
.faq__item[open]{border-color:#d8e6fb;box-shadow:var(--sd2);}
.faq__item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:62px;padding:14px 0;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__plus{
  width:26px;height:26px;flex:none;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-deep);background:var(--bg);
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.faq__item[open] .faq__plus{transform:rotate(45deg);background:var(--brand);border-color:var(--brand);color:#fff;}
.faq__body{
  padding:0 0 20px;font-size:15px;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:16px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sd1);padding:34px;display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:28px;align-items:center;
}
.cta-band h2{font-size:24px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--ink-2);max-width:600px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.qr{
  width:160px;aspect-ratio:1;border:1px dashed #b9cdf3;border-radius:var(--r-md);
  background:var(--brand-tint);display:grid;place-items:center;gap:6px;
  color:var(--brand-deep);font-size:13px;text-align:center;padding:12px;
}
.qr svg{color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9C6D8;margin-top:var(--sec);}
.footer__grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:32px;padding:56px 0 36px;
}
.footer__brand .brand{color:#fff;}
.footer__brand .brand__text{color:#fff;}
.footer__brand p{font-size:14px;color:#9CADC4;margin-top:14px;max-width:320px;}
.footer__social{display:flex;gap:10px;margin-top:16px;}
.footer__social a{
  width:38px;height:38px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;color:#C8D5E6;background:rgba(255,255,255,.03);
}
.footer__social a:hover{border-color:var(--brand);color:#fff;background:rgba(46,107,230,.22);}
.footer__col h3{font-size:15px;color:#fff;margin-bottom:14px;}
.footer__col li{margin-bottom:10px;}
.footer__col a{font-size:14px;color:#9CADC4;}
.footer__col a:hover{color:#fff;}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;}
.footer__bottom-inner{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8B9DB6;
}
.footer__links{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.footer__links a{color:#9CADC4;}
.footer__links a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer__grid > .footer__col:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  .layout{grid-template-columns:1fr;gap:28px;}
  .index-rail{position:static;}
  .rail-card{padding:16px;}
  .index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;}
  .hotwords{display:none;}
  .topbar__actions .btn--primary{display:none;}
  .search{width:220px;}
  .wall{grid-template-columns:1fr;}
  .wall-card--offset{margin-top:0;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--sec:48px;--gap:16px;}
  .container{padding:0 16px;}
  .hamburger{display:grid;}
  .search{display:none;}
  .channelbar__inner{height:46px;}
  .channel.is-active::after{bottom:-7px;}
  .page-head h1{font-size:24px;}
  .page-head__lead{font-size:15px;}
  .duo{grid-template-columns:1fr;}
  .note-card--offset{margin-top:0;}
  .doc-section h2{font-size:20px;}
  .cta-band{grid-template-columns:1fr;padding:24px;}
  .qr{width:140px;}
  .btn{height:48px;}
  .btn--sm{height:42px;}
  .footer__grid{grid-template-columns:1fr;padding:40px 0 28px;}
  .footer__grid > .footer__col:last-child{grid-column:auto;}
}
@media (max-width:479px){
  .page-head h1{font-size:22px;}
  .wall-card{flex-direction:column;gap:12px;}
  .wall-card__thumb{width:100%;aspect-ratio:16/9;}
  .index-list{grid-template-columns:1fr;}
  .brand__text{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}