/* roulang page: index */
:root{
  --brand:#F4562A;
  --brand-600:#D63F18;
  --lime:#0FC98A;
  --accent:#FFD233;
  --ink:#14161A;
  --ink-800:#1F2228;
  --sand:#F6F4F1;
  --sand-200:#EFEAE3;
  --paper:#FFFFFF;
  --line:#E6E1DA;
  --t1:#1B1D21;
  --t2:#4A4F57;
  --t3:#8A9099;
  --r-card:16px;
  --r-lg:20px;
  --r-v:22px;
  --r-btn:12px;
  --r-badge:8px;
  --sh:0 1px 2px rgba(20,22,26,.05),0 8px 24px rgba(20,22,26,.06);
  --sh-h:0 6px 16px rgba(20,22,26,.10),0 18px 40px rgba(20,22,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --max:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--t2);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),opacity .18s var(--ease)}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--sand-200)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-title{position:relative;font-size:clamp(24px,2.6vw,32px);line-height:1.3;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:1em;border-radius:2px;background:var(--brand)}
.sec-sub{margin-top:10px;font-size:15px;color:var(--t3);max-width:640px}
.sec-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand);white-space:nowrap}
.sec-link svg{transition:transform .18s var(--ease)}
.sec-link:hover svg{transform:translateX(3px)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--r-btn);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease)}
.btn:active{transform:scale(.98)}
.btn--primary{background:var(--brand);color:#fff;padding:0 24px;height:48px;box-shadow:0 8px 20px rgba(244,86,42,.24)}
.btn--primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}
.btn--ghost{background:#fff;color:var(--t1);border:1px solid var(--line);padding:0 22px;height:48px}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn--dark{background:var(--brand);color:#fff;padding:0 24px;height:52px}
.btn--dark:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}
.btn--lg{height:52px}
.btn--sm{height:36px;padding:0 16px;font-size:14px}
.btn--pill{border-radius:999px}

/* ---------- 徽章 / 标签 ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--sand-200);color:var(--t2);font-size:12.5px;line-height:1.6;font-weight:500}
.pill--brand{background:rgba(244,86,42,.1);color:var(--brand)}
.pill--lime{background:rgba(15,201,138,.12);color:#0a9468}
.badge-time{position:absolute;right:12px;bottom:12px;background:var(--accent);color:#20160a;font-size:12px;
  font-weight:700;padding:3px 8px;border-radius:var(--r-badge)}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--t3)}
.meta i{width:3px;height:3px;border-radius:50%;background:var(--line);display:inline-block}

/* ---------- 导航 ---------- */
.site-header{position:relative;z-index:50}
.nav-top{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-top__inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand__mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(145deg,var(--brand),#FF8A4C);
  display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(244,86,42,.28)}
.brand__text{font-size:17px;font-weight:800;color:var(--t1);letter-spacing:-.01em;line-height:1.25}
.brand__text span{display:block;font-size:11.5px;font-weight:500;color:var(--t3);letter-spacing:.04em}
.search{flex:1;max-width:520px;position:relative;display:flex;align-items:center}
.search input{width:100%;height:44px;border:0;border-radius:var(--r-btn);background:var(--sand-200);
  padding:0 44px 0 44px;font-size:14.5px;transition:background .18s var(--ease),box-shadow .18s var(--ease)}
.search input::placeholder{color:var(--t3)}
.search input:focus{outline:none;background:#fff;box-shadow:inset 0 0 0 1px var(--brand)}
.search__icon{position:absolute;left:14px;color:var(--t3);pointer-events:none;display:flex}
.search__btn{position:absolute;right:6px;height:32px;padding:0 14px;border-radius:9px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:600}
.search__btn:hover{background:var(--brand-600);color:#fff}
.nav-top__actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);background:var(--sand-200);color:var(--t2);place-items:center}
.nav-tabs{position:sticky;top:0;z-index:40;background:rgba(246,244,241,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-tabs__inner{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  background:var(--sand-200);color:var(--t2);font-size:14px;font-weight:500;white-space:nowrap}
.tab:hover{background:#E5DFD6;color:var(--t1)}
.tab.is-active{background:var(--brand);color:#fff}
.tab.is-active:hover{background:var(--brand-600);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:80px 0 88px}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.2}
.hero::after{content:"";position:absolute;inset:0;
  background:radial-gradient(760px 420px at 82% 12%,rgba(244,86,42,.4),transparent 62%),linear-gradient(180deg,rgba(20,22,26,.62),rgba(20,22,26,.96))}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.hero__stage{position:relative;height:460px}
.vcard{position:absolute;top:0;border-radius:var(--r-v);overflow:hidden;background:var(--ink-800);
  box-shadow:0 24px 60px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.08)}
.vcard img{width:100%;height:100%;object-fit:cover}
.vcard--back2{width:250px;aspect-ratio:9/16;left:-32px;opacity:.45;transform:rotate(-3deg)}
.vcard--back1{width:250px;aspect-ratio:9/16;left:-16px;opacity:.75;transform:rotate(-1.5deg)}
.vcard--main{width:262px;aspect-ratio:9/16;left:0;z-index:3}
.vcard__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(244,86,42,.14),rgba(20,22,26,.72))}
.vcard__tag{position:absolute;left:14px;top:14px;background:rgba(20,22,26,.72);color:#fff;font-size:12px;padding:4px 10px;border-radius:var(--r-badge)}
.vcard__play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:62px;height:62px;border-radius:50%;
  background:rgba(255,255,255,.18);border:1.5px solid rgba(255,255,255,.7);display:grid;place-items:center;backdrop-filter:blur(6px)}
.vcard__info{position:absolute;left:0;right:0;bottom:0;padding:16px;color:#fff;font-size:13.5px;line-height:1.6}
.vcard__info strong{display:block;font-size:15px;font-weight:700;margin-bottom:4px}
.hero__copy h1{color:#fff;font-size:clamp(32px,4.6vw,58px);font-weight:800;line-height:1.18;letter-spacing:-.02em}
.hero__copy h1 em{font-style:normal;color:var(--accent)}
.hero__lead{margin-top:22px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.76);max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero__tags span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.04)}

/* ---------- 指标带 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-52px;position:relative;z-index:5}
.metric{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease)}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.metric__num{font-size:30px;font-weight:800;color:var(--t1);line-height:1.2;font-variant-numeric:tabular-nums}
.metric__num small{font-size:15px;font-weight:600;color:var(--brand);margin-left:3px}
.metric__label{margin-top:6px;font-size:13.5px;color:var(--t3)}

/* ---------- 横滑轨道 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;
  scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail__arrows{display:flex;gap:10px}
.rail__arrow{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--t2);
  display:grid;place-items:center;transition:all .18s var(--ease)}
.rail__arrow:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.rail__arrow[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.clip{flex:0 0 264px;scroll-snap-align:start;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);transition:transform .18s var(--ease),box-shadow .18s var(--ease)}
.clip:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.clip__thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.clip__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s var(--ease)}
.clip:hover .clip__thumb img{transform:scale(1.03)}
.clip__thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(244,86,42,.12),rgba(244,86,42,0) 55%)}
.clip__body{padding:16px 18px 20px}
.clip__body h3{font-size:17px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em}
.clip__body .meta{margin-top:12px}

/* ---------- 种草清单 ---------- */
.checklist{border-top:1px solid var(--line)}
.check{display:grid;grid-template-columns:140px 1fr;gap:32px;align-items:start;padding:40px 0;border-bottom:1px solid var(--line)}
.check:nth-child(even){padding-left:48px}
.check__num{font-size:clamp(46px,5vw,64px);font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:2px var(--brand);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.check__body h3{font-size:20px;font-weight:600;line-height:1.45}
.check__body p{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--t2);max-width:760px}
.check__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);overflow:hidden;display:block}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.card__thumb{position:relative;overflow:hidden}
.card__thumb img{width:100%;height:100%;object-fit:cover}
.card__thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(244,86,42,.1),rgba(244,86,42,0) 60%)}
.card--lead .card__thumb{aspect-ratio:16/9;border-radius:0}
.card--lead .card__body{padding:24px 26px 26px}
.card--lead h3{font-size:24px;line-height:1.4;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__excerpt{margin-top:12px;font-size:15px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body{padding:18px 20px 20px}
.card__body h3{font-size:17px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body .meta{margin-top:12px}
.list-mini{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden}
.list-mini a{display:block;padding:18px 22px;border-bottom:1px solid var(--line);transition:background .18s var(--ease)}
.list-mini a:last-child{border-bottom:0}
.list-mini a:hover{background:var(--sand-200)}
.list-mini a:hover h4{color:var(--brand)}
.list-mini h4{font-size:16px;font-weight:600;line-height:1.5;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s var(--ease)}
.list-mini .meta{margin-top:8px}
.sub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.card--sub .card__thumb{aspect-ratio:4/3}
.empty{background:var(--paper);border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center}
.empty svg{color:var(--t3)}
.empty p{margin:18px 0 22px;color:var(--t3);font-size:15px}

/* ---------- 口碑 ---------- */
.review{flex:0 0 320px;scroll-snap-align:start;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh)}
.review:nth-child(even){background:var(--sand-200);box-shadow:none}
.review__head{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(140deg,#FFD233,#F4562A);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px;flex-shrink:0}
.review__name{font-size:14.5px;font-weight:600;color:var(--t1)}
.review__role{font-size:12.5px;color:var(--t3)}
.stars{display:flex;gap:2px;margin:14px 0 10px;color:var(--accent)}
.review p{font-size:14.5px;line-height:1.8;color:var(--t2)}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;
  padding:22px 0;font-size:18px;font-weight:600;color:var(--t1);transition:color .18s var(--ease)}
.faq__q:hover{color:var(--brand)}
.faq__icon{flex-shrink:0;width:24px;height:24px;display:grid;place-items:center;color:var(--brand);transition:transform .18s var(--ease)}
.faq__item.is-open .faq__icon{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq__a p{padding:16px 0 22px;font-size:15.5px;line-height:1.85;color:var(--t2);max-width:760px}

/* ---------- CTA ---------- */
.cta{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:80px 0}
.cta::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.18}
.cta::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,22,26,.94),rgba(20,22,26,.72))}
.cta__inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto}
.cta h2{color:#fff;font-size:clamp(26px,3.2vw,38px);line-height:1.3}
.cta p{margin-top:18px;color:rgba(255,255,255,.76);font-size:16.5px}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:64px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand__text{color:#fff}
.footer-brand .brand__text span{color:rgba(255,255,255,.5)}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.site-footer li{margin-bottom:12px}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}

/* ---------- 移动吸底 ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;align-items:center;justify-content:space-between;
  gap:16px;padding:10px 18px calc(10px + env(safe-area-inset-bottom));background:rgba(20,22,26,.96);
  backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.1);transform:translateY(110%);
  transition:transform .3s var(--ease)}
.sticky-cta.is-show{transform:translateY(0)}
.sticky-cta span{font-size:13.5px;color:rgba(255,255,255,.8)}
.sticky-cta strong{display:block;color:#fff;font-size:14.5px}
body.has-sticky{padding-bottom:72px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .hero__inner{gap:40px}
  .vcard--back2{display:none}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero{padding:64px 0 72px}
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .hero__stage{height:auto;display:flex;justify-content:center}
  .vcard{position:relative;left:auto!important;top:auto!important;transform:none!important}
  .vcard--back1,.vcard--back2{display:none}
  .vcard--main{width:min(262px,72vw)}
  .metrics{grid-template-columns:repeat(2,1fr);margin-top:-40px}
  .news-grid{grid-template-columns:1fr}
  .sub-grid{grid-template-columns:1fr 1fr}
  .check{grid-template-columns:96px 1fr;gap:24px}
  .check:nth-child(even){padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .nav-top__inner{height:56px;gap:12px}
  .search{display:none}
  .nav-top.menu-open .search{display:flex;position:absolute;left:18px;right:18px;top:60px;max-width:none;z-index:60}
  .search-toggle{display:grid}
  .nav-top__inner{position:relative}
  .nav-top__actions .btn--primary{height:40px;padding:0 16px;font-size:14px}
  .brand__text{font-size:15px}
  .brand__text span{display:none}
  .brand__mark{width:34px;height:34px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .rail__arrows{display:none}
  .clip{flex:0 0 72vw}
  .review{flex:0 0 82vw}
  .check{grid-template-columns:1fr;gap:14px;padding:30px 0}
  .check__num{font-size:36px;-webkit-text-stroke:1.6px var(--brand)}
  .sub-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr;gap:14px}
  .metric{padding:18px}
  .metric__num{font-size:24px}
  .card--lead .card__body{padding:20px}
  .faq__q{font-size:16.5px;padding:18px 0}
  .hero__actions .btn{width:100%}
  .cta{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .sticky-cta{display:flex}
}
@media (max-width:519px){
  .metrics{grid-template-columns:1fr}
  .hero__tags span{font-size:12.5px}
}

/* roulang page: article */
:root{
  --brand:#F4562A;
  --brand-600:#D63F18;
  --lime:#0FC98A;
  --accent:#FFD233;
  --ink:#14161A;
  --ink-800:#1F2228;
  --sand:#F6F4F1;
  --sand-200:#EFEAE3;
  --paper:#FFFFFF;
  --line:#E6E1DA;
  --t1:#1B1D21;
  --t2:#4A4F57;
  --t3:#8A9099;
  --danger:#E5484D;
  --r-card:16px;
  --r-lg:20px;
  --r-v:22px;
  --r-btn:12px;
  --r-badge:8px;
  --sh:0 1px 2px rgba(20,22,26,.05), 0 8px 24px rgba(20,22,26,.06);
  --sh-h:0 6px 16px rgba(20,22,26,.10), 0 18px 40px rgba(20,22,26,.10);
  --tr:180ms cubic-bezier(.2,.7,.3,1);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--t2);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(244,86,42,.18)}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:88px 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 h2{
  font-size:30px;
  line-height:1.3;
  padding-left:14px;
  border-left:4px solid var(--brand);
  border-radius:2px;
}
.section-head p{font-size:14px;color:var(--t3);margin-top:8px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top__inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),#FF7A4D);
  color:#fff;display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(244,86,42,.28);
}
.brand__text{display:flex;flex-direction:column;font-size:17px;font-weight:800;color:var(--t1);line-height:1.16}
.brand__text span{font-size:11px;font-weight:500;color:var(--t3);letter-spacing:.06em;margin-top:2px}
.search{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:520px;margin:0 auto;
  height:44px;padding:0 6px 0 14px;border-radius:12px;
  background:var(--sand-200);border:1px solid transparent;
  transition:background var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(244,86,42,.10)}
.search__icon{color:var(--t3);display:grid;place-items:center}
.search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;color:var(--t1);font-size:15px}
.search input::placeholder{color:var(--t3)}
.search__btn{
  flex:0 0 auto;height:34px;padding:0 16px;border-radius:9px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  transition:background var(--tr),transform var(--tr);
}
.search__btn:hover{background:var(--brand-600)}
.search__btn:active{transform:scale(.97)}
.nav-top__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--sand-200);
  color:var(--t2);place-items:center;transition:background var(--tr),color var(--tr);
}
.search-toggle:hover{background:#E5DED4;color:var(--t1)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr),transform var(--tr);
}
.btn:active{transform:scale(.98)}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(244,86,42,.22)}
.btn--primary:hover{background:var(--brand-600);box-shadow:0 12px 26px rgba(244,86,42,.28)}
.btn--ghost{background:#fff;color:var(--t1);border:1px solid var(--line)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:#000}
.btn--lg{height:52px;padding:0 28px;font-size:16px}
.btn--sm{height:36px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;
}
.btn-link svg{transition:transform var(--tr)}
.btn-link:hover svg{transform:translateX(3px)}

.nav-tabs{background:rgba(255,255,255,.92);border-top:1px solid var(--line)}
.nav-tabs__inner{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;
  background:var(--sand-200);color:var(--t2);
  font-size:14px;font-weight:600;
  transition:background var(--tr),color var(--tr),transform var(--tr);
}
.tab:hover{background:#E5DED4;color:var(--t1)}
.tab.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(244,86,42,.24)}

/* ============ 文章头部 ============ */
.article-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:56px 0 64px}
.article-hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.22;
}
.article-hero__glow{
  position:absolute;inset:0;
  background:radial-gradient(900px 420px at 12% 0%,rgba(244,86,42,.42),transparent 68%),
             linear-gradient(180deg,rgba(20,22,26,.35),rgba(20,22,26,.92));
}
.article-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);overflow:hidden;white-space:nowrap}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:var(--accent)}
.crumbs span.sep{color:rgba(255,255,255,.32)}
.crumbs .current{color:rgba(255,255,255,.92);max-width:46vw;overflow:hidden;text-overflow:ellipsis}
.article-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,46px);font-weight:800;line-height:1.24;
  letter-spacing:-.02em;margin:20px 0 20px;max-width:960px;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--sand-200);color:var(--t2);
}
.pill--brand{background:rgba(244,86,42,.16);color:#FFB49A}
.pill--accent{background:var(--accent);color:#3A2E00}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.66)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.34)}
.article-meta strong{color:#fff;font-weight:600}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag-row .pill{background:rgba(255,255,255,.10);color:#EAE6E0}

/* ============ 正文 ============ */
.main{padding:56px 0 0}
.reading{
  max-width:860px;margin:0 auto;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:48px 52px;box-shadow:var(--sh);
}
.article-body{font-size:17px;line-height:1.9;color:var(--t2)}
.article-body > * + *{margin-top:1.1em}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:27px;font-weight:700;line-height:1.34;color:var(--t1);
  margin:1.6em 0 .7em;padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:600;color:var(--t1);margin:1.4em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;color:var(--t1);margin:1.2em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.5em}
.article-body li{margin:.4em 0;line-height:1.8}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li::marker{color:var(--brand);font-weight:700}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(244,86,42,.35)}
.article-body a:hover{color:var(--brand-600);border-bottom-color:var(--brand-600)}
.article-body img{border-radius:12px;margin:26px 0;box-shadow:var(--sh)}
.article-body blockquote{
  margin:1.4em 0;padding:18px 20px;background:var(--sand-200);
  border-left:3px solid var(--brand);border-radius:10px;color:var(--t1);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body strong{color:var(--t1);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--sand-200);color:var(--t1);font-weight:600}
.article-body pre{
  background:var(--ink);color:#E8E6E2;border-radius:12px;padding:20px 22px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.3em 0;
}
.article-body code{background:var(--sand-200);border-radius:6px;padding:2px 6px;font-size:14.5px;color:#B4360F}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}

.empty-state{
  max-width:860px;margin:0 auto;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:64px 40px;text-align:center;box-shadow:var(--sh);
}
.empty-state .ico{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--sand-200);display:grid;place-items:center;color:var(--t3)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--t3);font-size:15px;margin-bottom:24px}

/* ============ 文末操作区 ============ */
.post-foot{max-width:860px;margin:0 auto}
.footer-actions{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:28px;padding-top:24px;border-top:1px solid var(--line);
}
.footer-actions .links{display:flex;flex-wrap:wrap;gap:20px}

/* ============ 延伸阅读 / 相关推荐 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:#DAD2C7}
.card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--sand-200)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(244,86,42,.14),rgba(244,86,42,0) 62%)}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:20px}
.card__body h3{
  font-size:18px;font-weight:600;line-height:1.45;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__body p{font-size:14.5px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--t3)}
.card:hover .card__body h3{color:var(--brand)}

.read-list{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh)}
.read-list li{list-style:none}
.read-list a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 22px;border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--t1);font-weight:600;transition:background var(--tr),color var(--tr);
}
.read-list li:last-child a{border-bottom:0}
.read-list a:hover{background:var(--sand-200);color:var(--brand)}
.read-list a span.meta{font-size:13px;color:var(--t3);font-weight:500;flex:0 0 auto}

/* ============ CTA ============ */
.cta-band{background:var(--ink);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 340px at 82% 10%,rgba(244,86,42,.34),transparent 70%);
}
.cta-band .container{position:relative;z-index:2;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.3;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;max-width:640px;margin:0 auto 28px}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ============ 吸底 CTA ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:80;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  height:56px;padding:0 18px calc(0px + env(safe-area-inset-bottom, 0px));
  background:rgba(20,22,26,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:#fff;transform:translateY(110%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
}
.sticky-cta.is-visible{transform:translateY(0)}
.sticky-cta span{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .brand__mark{width:34px;height:34px;border-radius:10px}
.site-footer .brand__text{color:#fff}
.site-footer .brand__text span{color:rgba(255,255,255,.5)}
.site-footer p{font-size:14.5px;line-height:1.8;max-width:320px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer ul{list-style:none}
.site-footer li{font-size:14.5px;line-height:2;color:rgba(255,255,255,.66)}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .reading{padding:40px 34px}
  .search{max-width:360px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .nav-top__inner{height:56px;gap:12px}
  .brand__text{font-size:15px}
  .brand__text span{font-size:10px}
  .nav-top__actions .btn{display:none}
  .search-toggle{display:grid}
  .search{
    position:absolute;left:18px;right:18px;top:62px;max-width:none;margin:0;
    display:none;background:#fff;border-color:var(--line);box-shadow:var(--sh-h);z-index:70;
  }
  .search.search--open{display:flex}
  .nav-tabs__inner{height:46px;flex-wrap:nowrap}
  .article-hero{padding:36px 0 44px}
  .article-hero h1{margin:16px 0}
  .crumbs .current{max-width:38vw}
  .article-meta{font-size:12.5px}
  .main{padding:32px 0 0}
  .reading{padding:28px 20px;border-radius:var(--r-card)}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:17.5px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:56px 0}
  .sticky-cta{display:flex}
  body.has-sticky-cta{padding-bottom:72px}
  .site-footer{margin-top:64px}
  .footer-actions{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .brand__text span{display:none}
  .article-hero h1{font-size:24px}
  .reading{padding:22px 16px}
  .card__body{padding:16px}
}

/* roulang page: category1 */
:root{
  --brand:#F4562A;
  --brand-600:#D63F18;
  --lime:#0FC98A;
  --accent:#FFD233;
  --ink:#14161A;
  --ink-800:#1F2228;
  --sand:#F6F4F1;
  --sand-200:#EFEAE3;
  --paper:#FFFFFF;
  --line:#E6E1DA;
  --t1:#1B1D21;
  --t2:#4A4F57;
  --t3:#8A9099;
  --danger:#E5484D;
  --r-card:16px;
  --r-lg:20px;
  --r-port:22px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,22,26,.05), 0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 6px 16px rgba(20,22,26,.10), 0 18px 40px rgba(20,22,26,.10);
  --maxw:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--sand);
  color:var(--t2);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.32;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(244,86,42,.18)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ============ 导航 ============ */
.site-header{position:relative;z-index:50}
.nav-top{background:var(--paper);border-bottom:1px solid var(--line)}
.nav-top__inner{position:relative;display:flex;align-items:center;gap:24px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand),#FF7A45);color:#fff;
  box-shadow:0 6px 16px rgba(244,86,42,.32);
}
.brand__text{font-size:17px;font-weight:700;color:var(--t1);line-height:1.2;letter-spacing:-.01em}
.brand__text>span{display:block;margin-top:2px;font-size:11px;font-weight:500;color:var(--t3);letter-spacing:.06em}
.search{
  flex:1 1 auto;max-width:520px;height:44px;display:flex;align-items:center;gap:8px;
  padding:0 6px 0 14px;background:var(--sand-200);border:1px solid transparent;border-radius:var(--r-btn);
  transition:background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search__icon{display:grid;place-items:center;color:var(--t3);flex:0 0 auto}
.search input{flex:1 1 auto;min-width:0;height:100%;border:0;outline:none;background:transparent;color:var(--t1);font-size:15px}
.search input::placeholder{color:var(--t3)}
.search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,86,42,.10)}
.search__btn{height:34px;padding:0 16px;border-radius:9px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;transition:background .18s var(--ease)}
.search__btn:hover{background:var(--brand-600)}
.nav-top__actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;place-items:center;color:var(--t2);transition:color .18s,border-color .18s}
.search-toggle:hover{color:var(--brand);border-color:var(--brand)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border-radius:var(--r-btn);white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{height:44px;padding:0 22px;background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(244,86,42,.24)}
.btn--primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:scale(.98)}
.btn--ghost{height:44px;padding:0 22px;background:#fff;border:1px solid var(--line);color:var(--t1)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--ghost:active{transform:scale(.98)}
.btn--lg{height:52px;padding:0 28px;font-size:16px}
.btn--sm{height:36px;padding:0 16px;font-size:14px}
.btn--onink{background:var(--brand);color:#fff;box-shadow:0 10px 26px rgba(244,86,42,.36)}
.btn--onink:hover{background:#FF6A3D;transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.link-arrow svg{transition:transform .18s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

.nav-tabs{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-tabs__inner{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-tabs__inner::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);background:var(--sand-200);color:var(--t2);font-size:14px;font-weight:600;transition:background .18s,color .18s,box-shadow .18s}
.tab:hover{color:var(--brand);background:#fff}
.tab.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(244,86,42,.26)}
.tab.is-active:hover{color:#fff}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 460px at 8% 6%,rgba(244,86,42,.30),transparent 62%),
    radial-gradient(620px 420px at 92% 96%,rgba(15,201,138,.16),transparent 66%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.18) 0 1px,transparent 1px 16px);
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;padding:72px 0 78px}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,210,51,.14);border:1px solid rgba(255,210,51,.42);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.04em}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(15,201,138,.18)}
.hero h1{margin:20px 0 18px;color:#fff;font-size:clamp(32px,4.6vw,56px);font-weight:800;line-height:1.18;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero__lead{max-width:600px;color:#C7CBD1;font-size:17px;line-height:1.85}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{padding:7px 15px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#E4E7EA;font-size:13px;font-weight:600;transition:border-color .18s,color .18s,background .18s}
.chip:hover{border-color:var(--brand);color:#fff;background:rgba(244,86,42,.20)}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.hero__facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.hero__facts div{font-size:13px;color:#9AA1AA}
.hero__facts strong{display:block;font-size:19px;color:#fff;font-weight:700;letter-spacing:-.01em}

.phone{
  position:relative;width:100%;max-width:392px;margin-left:auto;aspect-ratio:9/16;max-height:600px;
  border-radius:var(--r-port);overflow:hidden;background:#0B0C0F;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(0,0,0,.46);
}
.phone img{width:100%;height:100%;object-fit:cover}
.phone::after{content:"";position:absolute;inset:0;background:linear-gradient(165deg,rgba(244,86,42,.16),rgba(20,22,26,.04) 52%,rgba(20,22,26,.62));pointer-events:none}
.phone__play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
  width:68px;height:68px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.94);color:var(--brand);box-shadow:0 12px 30px rgba(0,0,0,.34);
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.phone__play:hover{transform:translate(-50%,-50%) scale(1.06);background:#fff}
.phone__time{position:absolute;right:14px;bottom:64px;z-index:2;padding:4px 10px;border-radius:8px;background:var(--accent);color:#2A1F00;font-size:12px;font-weight:700;letter-spacing:.02em}
.phone__cap{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;color:#fff}
.phone__cap strong{display:block;font-size:15px;font-weight:600;line-height:1.5}
.phone__cap span{font-size:12px;color:rgba(255,255,255,.72)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0 88px}
.section--alt{background:var(--sand-200)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.h2{display:flex;align-items:center;gap:14px;font-size:clamp(23px,2.6vw,32px);font-weight:700;letter-spacing:-.01em}
.h2::before{content:"";flex:0 0 auto;width:4px;height:1em;border-radius:2px;background:var(--brand)}
.section-head p{margin-top:8px;max-width:620px;color:var(--t3);font-size:14.5px}
.eyebrow{display:inline-block;margin-bottom:10px;color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.1em}

/* ============ 内容方向卡 ============ */
.dir-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dir-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease)}
.dir-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD5CC}
.dir-card .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(244,86,42,.10);color:var(--brand);margin-bottom:16px}
.dir-card h3{font-size:17.5px;font-weight:600;margin-bottom:10px}
.dir-card p{font-size:14.5px;line-height:1.85;color:var(--t2)}
.dir-card .tagline{display:inline-block;margin-top:14px;padding:4px 10px;border-radius:var(--r-pill);background:var(--sand-200);color:var(--t3);font-size:12px;font-weight:600}

/* ============ 横滑片段卡 ============ */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{content:"";position:absolute;top:0;bottom:24px;width:44px;pointer-events:none;z-index:2}
.rail-wrap::before{left:-4px;background:linear-gradient(90deg,var(--sand),rgba(246,244,241,0))}
.rail-wrap::after{right:-4px;background:linear-gradient(270deg,var(--sand),rgba(246,244,241,0))}
.section--alt .rail-wrap::before{background:linear-gradient(90deg,var(--sand-200),rgba(239,234,227,0))}
.section--alt .rail-wrap::after{background:linear-gradient(270deg,var(--sand-200),rgba(239,234,227,0))}
.rail{display:flex;gap:22px;overflow-x:auto;padding:4px 4px 24px;scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.clip-card{
  flex:0 0 264px;scroll-snap-align:start;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);display:flex;flex-direction:column;
}
.clip-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.clip-card__media{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--ink-800)}
.clip-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .18s var(--ease)}
.clip-card:hover .clip-card__media img{transform:scale(1.03)}
.clip-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(244,86,42,.14),rgba(20,22,26,.10) 58%,transparent)}
.clip-card__play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.9);color:var(--brand)}
.clip-card__time{position:absolute;right:10px;bottom:10px;z-index:2;padding:3px 9px;border-radius:8px;background:var(--accent);color:#2A1F00;font-size:12px;font-weight:700}
.clip-card__body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.clip-card h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-card__meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12.5px;color:var(--t3)}
.pill{display:inline-block;padding:3px 10px;border-radius:var(--r-pill);background:var(--sand-200);color:var(--t2);font-size:12px;font-weight:600}
.pill--lime{background:rgba(15,201,138,.14);color:#087F58}
.rail-nav{display:flex;gap:10px}
.rail-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:var(--t2);transition:color .18s,border-color .18s,transform .18s}
.rail-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.step{padding:28px 24px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step__no{display:inline-block;font-size:15px;font-weight:800;letter-spacing:.12em;color:var(--brand);margin-bottom:12px}
.step h3{font-size:17px;font-weight:600;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--t2)}

/* ============ 指标 + 更新节奏 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:34px}
.metric{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1)}
.metric strong{display:block;font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--t1);letter-spacing:-.02em;line-height:1.2}
.metric strong span{font-size:15px;font-weight:600;color:var(--brand);margin-left:4px}
.metric p{margin-top:8px;font-size:13.5px;color:var(--t3)}
.timeline{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.tl-row{display:flex;align-items:flex-start;gap:20px;padding:20px 26px;border-bottom:1px solid var(--line);transition:background .18s var(--ease)}
.tl-row:last-child{border-bottom:0}
.tl-row:hover{background:var(--sand-200)}
.tl-time{flex:0 0 168px;font-size:14px;font-weight:700;color:var(--brand)}
.tl-text strong{display:block;font-size:15.5px;color:var(--t1);font-weight:600;margin-bottom:4px}
.tl-text p{font-size:14px;color:var(--t2)}
.status-dot{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:#087F58}
.status-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(15,201,138,.16)}

/* ============ FAQ ============ */
.faq{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:6px 26px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:20px 0;text-align:left;font-size:17px;font-weight:600;color:var(--t1)}
.faq-q .plus{flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);color:var(--t3);transition:transform .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)}
.faq-item.is-open .plus{transform:rotate(45deg);color:var(--brand);border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 0 20px;font-size:15px;line-height:1.9;color:var(--t2);max-width:860px}

/* ============ CTA 带 ============ */
.cta{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(680px 340px at 50% 0%,rgba(244,86,42,.28),transparent 68%)}
.cta__inner{position:relative;padding:70px 0;text-align:center}
.cta h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.01em}
.cta p{max-width:660px;margin:14px auto 0;color:#B9BFC7;font-size:15.5px}
.cta__btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.cta__note{margin-top:18px;font-size:13px;color:#8A9099}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#A9AFB7;padding:70px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__text{color:#fff}
.footer-brand .brand__text>span{color:#868C95}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer p{line-height:1.9;color:#9AA1AA;max-width:360px}
.site-footer li{margin-bottom:10px;color:#9AA1AA;line-height:1.7}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 30px;font-size:13px;color:#7D838C}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .dir-grid{grid-template-columns:repeat(2,1fr)}
  .hero__inner{gap:40px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .search{max-width:340px}
  .hero__inner{grid-template-columns:1fr;padding:56px 0 64px}
  .phone{margin:0 auto;max-width:340px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:0}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .nav-top__inner{height:56px;gap:12px}
  .search{display:none}
  .nav-top__inner.is-search-open .search{
    display:flex;position:absolute;left:0;right:0;top:calc(100% + 8px);max-width:none;
    box-shadow:var(--sh-2);z-index:60;
  }
  .search-toggle{display:grid}
  .nav-top__actions .btn{padding:0 16px;height:40px;font-size:14px}
  .brand__text{font-size:15px}
  .brand__mark{width:34px;height:34px;border-radius:10px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0 56px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px}
  .dir-grid{grid-template-columns:1fr;gap:16px}
  .clip-card{flex:0 0 72vw}
  .rail{gap:16px}
  .rail-nav{display:none}
  .rail-wrap::before,.rail-wrap::after{width:24px}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
  .tl-row{flex-direction:column;gap:6px;padding:18px 20px}
  .tl-time{flex:none}
  .faq{padding:4px 18px}
  .faq-q{font-size:16px;padding:18px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta__inner{padding:56px 0}
}
@media (max-width:479px){
  .hero__facts{gap:16px}
  .metric-grid{grid-template-columns:1fr}
  .btn--lg{width:100%}
  .hero__cta .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --brand:#F4562A;
  --brand-600:#D63F18;
  --lime:#0FC98A;
  --accent:#FFD233;
  --ink:#14161A;
  --ink-800:#1F2228;
  --sand:#F6F4F1;
  --sand-200:#EFEAE3;
  --paper:#FFFFFF;
  --line:#E6E1DA;
  --t1:#1B1D21;
  --t2:#4A4F57;
  --t3:#8A9099;
  --r-card:16px;
  --r-big:20px;
  --r-vert:22px;
  --r-btn:12px;
  --r-pill:999px;
  --r-badge:8px;
  --sh-1:0 1px 2px rgba(20,22,26,.05), 0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 6px 16px rgba(20,22,26,.10), 0 18px 40px rgba(20,22,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--t2);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;}
h1{font-size:clamp(32px,4.6vw,58px);font-weight:800;line-height:1.18;letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;}
h3{font-size:18px;line-height:1.45;font-weight:600;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.sec{padding:var(--gap-sec) 0;}
.sec--tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head h2{position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:1em;border-radius:2px;background:var(--brand);}
.sec-head p{margin:10px 0 0;max-width:640px;color:var(--t3);font-size:15px;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;white-space:nowrap;transition:gap .18s var(--ease);}
.link-more:hover{gap:10px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--brand);font-weight:700;text-transform:uppercase;margin-bottom:14px;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-weight:600;font-size:15px;border:1px solid transparent;transition:all .18s var(--ease);}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(244,86,42,.24);}
.btn--primary:hover{background:var(--brand-600);transform:translateY(-1px);}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{background:var(--paper);border-color:var(--line);color:var(--t1);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn--pill{border-radius:var(--r-pill);}
.btn--lg{height:52px;padding:0 28px;font-size:16px;}
.btn--sm{height:36px;padding:0 16px;font-size:14px;}
.btn--dark{background:var(--brand);color:#fff;}
.btn--dark:hover{background:#ff6a41;}

/* ============ 头部导航 ============ */
.site-header{position:relative;z-index:50;background:var(--paper);border-bottom:1px solid var(--line);}
.nav-top{height:64px;display:flex;align-items:center;}
.nav-top__inner{display:flex;align-items:center;gap:24px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#ff8355);color:#fff;flex-shrink:0;box-shadow:0 6px 16px rgba(244,86,42,.28);}
.brand__text{display:flex;flex-direction:column;font-weight:800;font-size:16px;line-height:1.15;color:var(--t1);letter-spacing:-.01em;}
.brand__text span{font-size:11px;font-weight:500;color:var(--t3);letter-spacing:.04em;margin-top:3px;}
.search{flex:1;max-width:520px;display:flex;align-items:center;gap:10px;height:44px;padding:0 6px 0 14px;background:var(--sand-200);border-radius:var(--r-btn);border:1px solid transparent;transition:all .18s var(--ease);}
.search:focus-within{background:var(--paper);border-color:var(--brand);}
.search__icon{color:var(--t3);display:grid;place-items:center;}
.search input{flex:1;border:0;background:none;outline:none;font-size:15px;color:var(--t1);min-width:0;}
.search input::placeholder{color:var(--t3);}
.search__btn{height:34px;padding:0 16px;border-radius:9px;background:var(--ink);color:#fff;font-size:14px;font-weight:600;transition:background .18s var(--ease);}
.search__btn:hover{background:var(--brand);}
.nav-top__actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.search-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--t2);place-items:center;}
.nav-tabs{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.nav-tabs__inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.tab{flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);background:var(--sand-200);color:var(--t2);font-size:14px;font-weight:600;transition:all .18s var(--ease);}
.tab:hover{background:#e5ded4;color:var(--t1);}
.tab.is-active{background:var(--brand);color:#fff;}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);color:#e9eaec;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(20,22,26,.86),rgba(20,22,26,.94)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;}
.hero::after{content:"";position:absolute;width:620px;height:620px;right:-180px;top:-260px;border-radius:50%;background:radial-gradient(circle,rgba(244,86,42,.38),transparent 68%);pointer-events:none;}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:80px 0 72px;}
.hero h1{color:#fff;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero__sub{margin:22px 0 0;max-width:600px;font-size:17px;line-height:1.85;color:#b9bec6;}
.hero__chips{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 32px;}
.chip{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#dfe2e6;font-size:13px;font-weight:600;}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero__note{margin-top:22px;font-size:13px;color:#8b9199;}
.hero__card{position:relative;border-radius:var(--r-vert);overflow:hidden;border:1px solid rgba(255,255,255,.12);background:var(--ink-800);box-shadow:0 30px 60px rgba(0,0,0,.42);}
.hero__card img{aspect-ratio:9/13;object-fit:cover;width:100%;filter:saturate(1.02);}
.hero__card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(20,22,26,.9) 6%,rgba(244,86,42,.10) 55%,transparent);}
.hero__card-txt{position:absolute;left:20px;right:20px;bottom:20px;z-index:3;color:#fff;}
.hero__card-txt strong{display:block;font-size:16px;font-weight:700;line-height:1.4;}
.hero__card-txt span{display:block;font-size:12px;color:#c8ccd2;margin-top:6px;}
.badge-time{position:absolute;right:16px;top:16px;z-index:3;height:26px;padding:0 10px;display:inline-flex;align-items:center;border-radius:var(--r-badge);background:var(--accent);color:#3a2c00;font-size:12px;font-weight:800;}

/* ============ 数据条 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:all .18s var(--ease);}
.stat:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.stat b{display:block;font-family:"DIN Alternate",system-ui,sans-serif;font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.02em;}
.stat span{display:block;font-size:14px;color:var(--t1);font-weight:600;margin-top:8px;}
.stat small{display:block;font-size:13px;color:var(--t3);margin-top:4px;}

/* ============ 编号清单 ============ */
.rules{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rule-list{border-top:1px solid var(--line);}
.rule{display:grid;grid-template-columns:150px 1fr;gap:36px;align-items:flex-start;padding:38px 0;border-bottom:1px solid var(--line);transition:background .18s var(--ease);}
.rule:hover{background:linear-gradient(90deg,rgba(244,86,42,.05),transparent 65%);}
.rule__no{font-family:"DIN Alternate",system-ui,sans-serif;font-size:clamp(42px,4.4vw,62px);font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:2px var(--brand);letter-spacing:-.03em;}
.rule__body h3{font-size:20px;}
.rule__body p{margin:12px 0 16px;font-size:16px;line-height:1.85;color:var(--t2);max-width:760px;}
.rule__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);background:var(--sand-200);color:var(--t2);font-size:12.5px;font-weight:600;}
.pill--lime{background:rgba(15,201,138,.12);color:#0a7d57;}
.pill--brand{background:rgba(244,86,42,.10);color:var(--brand-600);}
.rule:nth-child(even){padding-left:0;}
@media (min-width:1024px){
  .rule:nth-child(even){padding-left:48px;}
}

/* ============ 判罚尺度卡 ============ */
.scale-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:all .18s var(--ease);overflow:hidden;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card__img{position:relative;overflow:hidden;}
.card__img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease);}
.card__img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(244,86,42,.14),rgba(244,86,42,0) 60%);}
.card:hover .card__img img{transform:scale(1.04);}
.card__body{padding:22px;}
.card__body h3{margin-bottom:10px;}
.card__body p{font-size:15px;line-height:1.8;margin-bottom:16px;color:var(--t2);}
.meta-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);}
.meta-row i{width:6px;height:6px;border-radius:50%;background:var(--line);display:block;}
.score-box{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;background:var(--sand);border:1px solid var(--line);margin-bottom:16px;}
.score-box b{font-family:"DIN Alternate",system-ui,sans-serif;font-size:26px;color:var(--ink);letter-spacing:-.02em;}
.score-box span{font-size:13px;color:var(--t3);line-height:1.5;}

/* ============ 适用场景 ============ */
.scene-sec{background:var(--sand-200);}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-big);padding:28px 26px;box-shadow:var(--sh-1);transition:all .18s var(--ease);}
.scene:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(244,86,42,.4);}
.scene__icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(244,86,42,.1);color:var(--brand);margin-bottom:18px;}
.scene h3{margin-bottom:10px;}
.scene p{font-size:15px;line-height:1.8;margin:0;}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:flow;}
.flow__item{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--sh-1);}
.flow__item::before{counter-increment:flow;content:counter(flow,decimal-leading-zero);position:absolute;top:-14px;left:22px;height:28px;padding:0 11px;display:inline-flex;align-items:center;border-radius:var(--r-badge);background:var(--ink);color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;}
.flow__item h3{font-size:17px;margin:12px 0 10px;}
.flow__item p{font-size:14.5px;line-height:1.8;margin:0;color:var(--t2);}

/* ============ 口碑横滑 ============ */
.scroller{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 22px;scrollbar-width:none;-ms-overflow-style:none;}
.scroller::-webkit-scrollbar{display:none;}
.quote{flex:0 0 330px;scroll-snap-align:start;border-radius:var(--r-card);padding:22px;border:1px solid var(--line);background:var(--paper);box-shadow:var(--sh-1);}
.quote:nth-child(even){background:var(--sand-200);box-shadow:none;}
.quote__top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#d9d2c8,#efeadf);display:grid;place-items:center;font-weight:700;color:var(--t2);font-size:15px;flex-shrink:0;}
.quote__top strong{display:block;font-size:14px;color:var(--t1);}
.quote__top small{display:block;font-size:12px;color:var(--t3);}
.stars{display:flex;gap:2px;color:var(--accent);margin-bottom:10px;}
.quote p{font-size:15px;line-height:1.8;margin:0;color:var(--t2);}

/* ============ FAQ ============ */
.faq-sec{background:var(--paper);border-top:1px solid var(--line);}
.faq{max-width:860px;border-top:1px solid var(--line);}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;text-align:left;font-size:18px;font-weight:600;color:var(--t1);transition:color .18s var(--ease);}
.faq__q:hover{color:var(--brand);}
.faq__q .ico{flex-shrink:0;width:24px;height:24px;display:grid;place-items:center;color:var(--brand);transition:transform .22s var(--ease);}
.faq__item.is-open .faq__q .ico{transform:rotate(45deg);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq__a p{padding:0 0 20px;margin:0;font-size:16px;line-height:1.85;color:var(--t2);max-width:760px;}

/* ============ CTA ============ */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.cta-band::after{content:"";position:absolute;width:520px;height:520px;left:-140px;bottom:-320px;border-radius:50%;background:radial-gradient(circle,rgba(15,201,138,.28),transparent 68%);}
.cta-band__inner{position:relative;z-index:2;text-align:center;padding:76px 0;max-width:760px;margin:0 auto;}
.cta-band h2{color:#fff;}
.cta-band p{color:#b9bec6;margin:18px auto 30px;max-width:620px;font-size:16px;}
.cta-band__actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.cta-band .btn--ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;}
.cta-band .btn--ghost:hover{border-color:var(--brand);color:#fff;background:rgba(244,86,42,.14);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#a7adb6;padding:64px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand__text{color:#fff;}
.site-footer .brand__text span{color:#7d838c;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer a{transition:color .18s var(--ease);}
.site-footer a:hover{color:var(--lime);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#7d838c;}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}

/* ============ 移动吸底 ============ */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;align-items:center;justify-content:space-between;gap:14px;padding:10px 18px calc(10px + env(safe-area-inset-bottom));background:rgba(20,22,26,.96);backdrop-filter:blur(8px);transform:translateY(120%);transition:transform .28s var(--ease);}
.sticky-cta.is-show{transform:translateY(0);}
.sticky-cta span{color:#e9eaec;font-size:14px;font-weight:600;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .hero__inner{gap:40px;}
}
@media (max-width:1023px){
  :root{--gap-sec:64px;}
  .search{max-width:none;}
  .hero__inner{grid-template-columns:1fr;padding:64px 0 56px;}
  .hero__card{max-width:420px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .scale-grid,.scene-grid{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rule{grid-template-columns:110px 1fr;gap:24px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  :root{--gap-sec:52px;}
  .container{padding:0 18px;}
  .nav-top{height:56px;}
  .search{display:none;}
  .search-toggle{display:grid;}
  .nav-top__actions .btn{height:38px;padding:0 16px;font-size:14px;}
  .nav-top.is-search-open .search{display:flex;position:absolute;left:18px;right:18px;top:60px;z-index:45;background:var(--paper);border:1px solid var(--line);box-shadow:var(--sh-2);}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:26px;}
  h1{font-size:clamp(28px,7.4vw,36px);}
  .hero__sub{font-size:16px;}
  .stats,.scale-grid,.scene-grid,.flow{grid-template-columns:1fr;}
  .rule{grid-template-columns:1fr;gap:10px;padding:28px 0;}
  .rule:nth-child(even){padding-left:0;}
  .rule__no{font-size:40px;}
  .quote{flex:0 0 78vw;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sticky-cta{display:flex;}
  body.has-sticky{padding-bottom:76px;}
  .faq__q{font-size:16.5px;}
}
@media (max-width:479px){
  .brand__text{font-size:15px;}
  .brand__text span{font-size:10.5px;}
  .hero__card-txt strong{font-size:15px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --brand:#F4562A;
  --brand-600:#D63F18;
  --lime:#0FC98A;
  --accent:#FFD233;
  --ink:#14161A;
  --ink-800:#1F2228;
  --sand:#F6F4F1;
  --sand-200:#EFEAE3;
  --paper:#FFFFFF;
  --line:#E6E1DA;
  --t1:#1B1D21;
  --t2:#4A4F57;
  --t3:#8A9099;
  --danger:#E5484D;
  --r-card:16px;
  --r-media:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,22,26,.05),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 6px 16px rgba(20,22,26,.10),0 18px 40px rgba(20,22,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --sec:88px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
img{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(244,86,42,.18);}

/* ============ 容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ============ 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-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(244,86,42,.24);}
.btn--primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 10px 24px rgba(244,86,42,.28);}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{background:var(--paper);color:var(--t1);border:1px solid var(--line);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn--lg{height:52px;padding:0 28px;font-size:16px;}
.btn--sm{height:36px;padding:0 16px;font-size:14px;}
.btn--onDark{background:var(--brand);color:#fff;}
.btn--onDark:hover{background:var(--brand-600);transform:translateY(-2px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;}
.btn-link svg{transition:transform .18s var(--ease);}
.btn-link:hover svg{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.pill{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);background:var(--sand-200);color:var(--t2);font-size:12px;font-weight:600;}
.pill--brand{background:rgba(244,86,42,.1);color:var(--brand);}
.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 8px;border-radius:8px;font-size:12px;font-weight:700;}
.badge--time{position:absolute;right:10px;bottom:10px;background:var(--accent);color:#3A2A00;z-index:2;}
.badge--num{border:1.5px solid var(--brand);color:var(--brand);background:transparent;border-radius:8px;font-size:13px;height:26px;padding:0 9px;}
.badge--live{background:rgba(15,201,138,.12);color:#0A8E60;font-weight:600;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ============ 顶部导航 ============ */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:relative;z-index:60;}
.nav-top__inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#FF8A45);color:#fff;
  box-shadow:0 6px 14px rgba(244,86,42,.28);
}
.brand__text{display:flex;flex-direction:column;font-size:17px;font-weight:800;color:var(--t1);letter-spacing:-.01em;line-height:1.15;}
.brand__text span{font-size:11px;font-weight:500;color:var(--t3);letter-spacing:.02em;margin-top:2px;}
.footer-brand .brand__text{color:#fff;}
.footer-brand .brand__text span{color:rgba(255,255,255,.55);}

.search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:520px;height:44px;background:var(--sand-200);border-radius:12px;padding-left:38px;transition:background .18s var(--ease),box-shadow .18s var(--ease);}
.search:focus-within{background:#fff;box-shadow:0 0 0 1.5px var(--brand);}
.search__icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--t3);display:inline-flex;}
.search input{flex:1;height:100%;border:none;background:transparent;outline:none;font-size:14px;color:var(--t1);min-width:0;}
.search input::placeholder{color:var(--t3);}
.search__btn{height:34px;margin-right:5px;padding:0 16px;border-radius:9px;background:var(--ink);color:#fff;font-size:13px;font-weight:600;transition:background .18s var(--ease);}
.search__btn:hover{background:var(--brand);}
.nav-top__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto;}
.search-toggle{display:none;width:44px;height:44px;border-radius:12px;background:var(--sand-200);color:var(--t1);align-items:center;justify-content:center;}
.search-toggle:hover{background:var(--sand);color:var(--brand);}

.nav-tabs{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-tabs__inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.tab{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);background:var(--sand-200);color:var(--t2);font-size:14px;font-weight:600;white-space:nowrap;transition:background .18s var(--ease),color .18s var(--ease);}
.tab:hover{background:var(--sand);color:var(--brand);}
.tab.is-active{background:var(--brand);color:#fff;}
.tab.is-active:hover{background:var(--brand-600);color:#fff;}

/* ============ 分类首屏 ============ */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(20,22,26,.94) 0%,rgba(20,22,26,.72) 48%,rgba(214,63,24,.42) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.page-hero__inner{position:relative;z-index:2;padding:76px 0 68px;max-width:800px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;white-space:nowrap;overflow-x:auto;scrollbar-width:none;}
.crumb::-webkit-scrollbar{display:none;}
.crumb a:hover{color:var(--accent);}
.crumb span{opacity:.5;}
.page-hero h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:#fff;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--accent);}
.page-hero__lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:660px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:#fff;font-size:13px;font-weight:600;}
.chip svg{color:var(--lime);}
.page-hero__stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);}
.page-hero__stats div strong{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.page-hero__stats div span{font-size:13px;color:rgba(255,255,255,.6);}

/* ============ 主体目录区 ============ */
.section{padding:var(--sec) 0;}
.section--tight{padding-top:64px;}
.section--paper{background:var(--paper);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-head h2{position:relative;font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.3;color:var(--t1);letter-spacing:-.01em;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:1em;border-radius:2px;background:var(--brand);}
.section-head p{margin-top:10px;padding-left:16px;font-size:15px;color:var(--t3);max-width:620px;}

.catalog{display:grid;grid-template-columns:230px 1fr;gap:44px;align-items:start;}
.filters{position:sticky;top:72px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh-1);}
.filters h3{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.filters h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand);}
.filters ul li{margin-bottom:4px;}
.filters a{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px;padding:0 12px;border-radius:10px;font-size:14px;color:var(--t2);transition:background .18s var(--ease),color .18s var(--ease);}
.filters a:hover{background:var(--sand-200);color:var(--brand);}
.filters a.is-active{background:rgba(244,86,42,.1);color:var(--brand);font-weight:600;}
.filters a i{font-style:normal;font-size:12px;color:var(--t3);}
.filters__note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--t3);line-height:1.7;}
.filters__note strong{color:var(--t1);}

.waterfall{column-count:2;column-gap:24px;}
.wf-card{
  break-inside:avoid;-webkit-column-break-inside:avoid;
  display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;margin-bottom:24px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.wf-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DAD3CA;}
.wf-card__media{position:relative;display:block;overflow:hidden;background:var(--sand-200);}
.ratio-4x3{aspect-ratio:4/3;}
.ratio-3x4{aspect-ratio:3/4;}
.wf-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.wf-card:hover .wf-card__media img{transform:scale(1.04);}
.wf-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(244,86,42,.10),rgba(20,22,26,.28));pointer-events:none;}
.wf-card__body{padding:18px 20px 20px;}
.wf-card__body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--t1);margin:12px 0 8px;}
.wf-card__body h3 a:hover{color:var(--brand);}
.wf-card__body p{font-size:14px;line-height:1.75;color:var(--t2);}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--t3);}
.meta em{font-style:normal;}
.meta .sep{width:3px;height:3px;border-radius:50%;background:var(--line);}
.wf-card--plain{padding:22px 22px 24px;}
.wf-card--plain .num{display:inline-flex;align-items:center;height:26px;padding:0 9px;border:1.5px solid var(--brand);border-radius:8px;color:var(--brand);font-size:13px;font-weight:700;}
.checklist{margin-top:14px;display:grid;gap:8px;}
.checklist li{display:flex;gap:9px;font-size:14px;color:var(--t2);line-height:1.7;}
.checklist li svg{flex:0 0 auto;margin-top:6px;color:var(--lime);}

/* ============ 指标数据 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:transform .18s var(--ease),box-shadow .18s var(--ease);}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.metric strong{display:block;font-size:34px;font-weight:800;color:var(--t1);letter-spacing:-.02em;line-height:1.1;}
.metric strong em{font-style:normal;font-size:16px;font-weight:700;color:var(--brand);margin-left:4px;}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--t3);line-height:1.7;}
.metric__bar{height:6px;border-radius:999px;background:var(--sand-200);margin-top:14px;overflow:hidden;}
.metric__bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent));}

/* ============ 口碑条 ============ */
.voices{background:var(--sand-200);}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 22px;scrollbar-width:none;-webkit-overflow-scrolling:touch;}
.rail::-webkit-scrollbar{display:none;}
.voice{
  flex:0 0 320px;scroll-snap-align:start;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
}
.voice:nth-child(even){background:var(--paper);}
.voice__head{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(140deg,var(--brand),#FF9A5C);color:#fff;font-weight:700;font-size:15px;}
.avatar--alt{background:linear-gradient(140deg,#1F2228,#3A4048);}
.voice__head strong{display:block;font-size:15px;color:var(--t1);font-weight:700;}
.voice__head small{font-size:12px;color:var(--t3);}
.stars{margin-left:auto;display:inline-flex;gap:2px;color:var(--accent);}
.voice p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--t2);}
.rail-note{margin-top:14px;font-size:13px;color:var(--t3);}

/* ============ FAQ ============ */
.faq-list{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;text-align:left;padding:20px 4px;font-size:18px;font-weight:600;color:var(--t1);transition:color .18s var(--ease);}
.faq-q:hover{color:var(--brand);}
.faq-q .plus{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--sand-200);color:var(--t2);display:inline-flex;align-items:center;justify-content:center;transition:transform .25s var(--ease),background .18s var(--ease),color .18s var(--ease);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:rgba(244,86,42,.12);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 4px 20px;font-size:15px;line-height:1.85;color:var(--t2);max-width:760px;}

/* ============ CTA 带 ============ */
.cta-band{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(120deg,rgba(20,22,26,.96),rgba(244,86,42,.34)),url(/assets/images/backpic/back-3.png);background-size:cover;background-position:center;opacity:.9;}
.cta-band__inner{position:relative;z-index:2;padding:76px 0;text-align:center;max-width:760px;margin:0 auto;}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:#fff;line-height:1.3;letter-spacing:-.01em;}
.cta-band p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.76);}
.cta-band__actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;max-width:340px;}
.site-footer ul li{margin-bottom:10px;font-size:14px;}
.site-footer ul li a{color:rgba(255,255,255,.7);}
.site-footer ul li a:hover{color:var(--lime);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom nav a:hover{color:var(--lime);}

/* ============ 移动吸底 CTA ============ */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:0 18px calc(0px + env(safe-area-inset-bottom,0px));
  background:rgba(20,22,26,.96);backdrop-filter:blur(8px);
  color:#fff;font-size:14px;transform:translateY(100%);transition:transform .3s var(--ease);
}
.mobile-cta.is-visible{transform:translateY(0);}
.mobile-cta span{font-weight:600;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .catalog{grid-template-columns:200px 1fr;gap:32px;}
  .nav-top__inner{gap:18px;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .container{padding:0 24px;}
  .catalog{grid-template-columns:1fr;gap:24px;}
  .filters{position:static;padding:18px;}
  .filters ul{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;}
  .filters ul::-webkit-scrollbar{display:none;}
  .filters ul li{margin:0;flex:0 0 auto;}
  .filters a{min-height:38px;padding:0 14px;border-radius:999px;background:var(--sand-200);gap:8px;}
  .filters a.is-active{background:var(--brand);color:#fff;}
  .filters a.is-active i{color:rgba(255,255,255,.8);}
  .filters__note{display:none;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .search{display:none;}
  .search.is-open{
    display:flex;position:absolute;left:16px;right:16px;top:68px;z-index:80;
    max-width:none;background:#fff;box-shadow:var(--sh-2);
  }
  .search-toggle{display:inline-flex;}
  .nav-top__inner{height:56px;}
  .nav-tabs__inner{height:48px;}
}
@media (max-width:768px){
  :root{--sec:56px;}
  .container{padding:0 18px;}
  body{font-size:16px;padding-bottom:72px;}
  .page-hero__inner{padding:56px 0 48px;}
  .page-hero__stats{gap:24px;}
  .waterfall{column-count:1;}
  .section-head{margin-bottom:26px;}
  .rail{padding-left:18px;padding-right:18px;margin:0 -18px;}
  .mobile-cta{display:flex;}
  .cta-band__inner{padding:56px 0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand__text{font-size:15px;}
  .brand__text span{display:none;}
  .metrics{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .chip-row .chip{font-size:12px;height:32px;}
  .voice{flex:0 0 84vw;}
  .faq-q{font-size:16px;padding:18px 2px;}
}

/* roulang page: category4 */
/* ===== 设计变量 ===== */
:root{
  --brand:#F4562A;
  --brand-600:#D63F18;
  --lime:#0FC98A;
  --accent:#FFD233;
  --ink:#14161A;
  --ink-800:#1F2228;
  --sand:#F6F4F1;
  --sand-200:#EFEAE3;
  --paper:#FFFFFF;
  --line:#E6E1DA;
  --text:#1B1D21;
  --text-2:#4A4F57;
  --text-3:#8A9099;
  --danger:#E5484D;
  --r-card:16px;
  --r-lg:20px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(20,22,26,.05),0 8px 24px rgba(20,22,26,.06);
  --shadow-hover:0 6px 16px rgba(20,22,26,.10),0 18px 40px rgba(20,22,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.3;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,button{font-family:inherit;}
svg{display:block;}
::selection{background:var(--brand);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:active{transform:scale(.98);}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(244,86,42,.22);}
.btn--primary:hover{background:var(--brand-600);color:#fff;box-shadow:0 10px 24px rgba(244,86,42,.28);}
.btn--ghost{background:var(--paper);border:1px solid var(--line);color:var(--text);}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn--text{height:auto;padding:0;color:var(--brand);font-weight:600;}
.btn--text svg{transition:transform .18s var(--ease);}
.btn--text:hover svg{transform:translateX(3px);}
.btn--onink{background:var(--brand);color:#fff;}
.btn--onink:hover{background:var(--brand-600);color:#fff;}
.btn--sm{height:36px;padding:0 16px;font-size:14px;border-radius:var(--r-pill);}
.btn--lg{height:52px;padding:0 30px;font-size:16px;}

/* ===== 导航 ===== */
.site-header{position:relative;z-index:50;background:var(--paper);}
.nav-top{border-bottom:1px solid var(--line);}
.nav-top__inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:24px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;flex-shrink:0;
  border-radius:11px;
  background:var(--ink);
  color:var(--accent);
}
.brand__text{
  display:flex;flex-direction:column;
  font-size:17px;font-weight:800;color:var(--text);
  letter-spacing:-.01em;line-height:1.2;
}
.brand__text span{
  font-size:11px;font-weight:500;color:var(--text-3);
  letter-spacing:.04em;line-height:1.5;
}
.search{
  position:relative;
  display:flex;align-items:center;
  flex:1;max-width:520px;
  height:44px;
  padding:0 6px 0 40px;
  background:var(--sand-200);
  border:1px solid transparent;
  border-radius:var(--r-sm);
  transition:background-color .18s var(--ease),border-color .18s var(--ease);
}
.search:focus-within{background:var(--paper);border-color:var(--brand);}
.search__icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-3);}
.search input{
  flex:1;height:100%;
  background:transparent;border:0;outline:none;
  font-size:14px;color:var(--text);
}
.search input::placeholder{color:var(--text-3);}
.search__btn{
  height:34px;padding:0 16px;
  background:var(--ink);color:#fff;
  border-radius:9px;font-size:13px;font-weight:600;
  transition:background-color .18s var(--ease);
}
.search__btn:hover{background:var(--brand);}
.nav-top__actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.search-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  color:var(--text-2);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.search-toggle:hover{background:var(--sand-200);color:var(--brand);}

.nav-tabs{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-tabs__inner{
  display:flex;align-items:center;gap:8px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-tabs__inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;
  background:var(--sand-200);
  color:var(--text-2);
  border-radius:var(--r-pill);
  font-size:14px;font-weight:600;
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.tab:hover{background:#e6e0d8;color:var(--text);}
.tab:active{transform:scale(.98);}
.tab.is-active{background:var(--brand);color:#fff;}
.tab.is-active:hover{background:var(--brand-600);color:#fff;}

/* ===== 面包屑 ===== */
.crumb{padding:20px 0 0;}
.crumb__list{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  white-space:nowrap;overflow-x:auto;scrollbar-width:none;
}
.crumb__list::-webkit-scrollbar{display:none;}
.crumb__list li{display:flex;align-items:center;gap:8px;}
.crumb__list li::after{content:"/";color:#c9c2b8;}
.crumb__list li:last-child::after{display:none;}
.crumb__list a:hover{color:var(--brand);}
.crumb__current{color:var(--text-2);font-weight:600;}

/* ===== 分类 Hero ===== */
.cat-hero{
  position:relative;
  padding:44px 0 56px;
  background:
    linear-gradient(180deg,rgba(246,244,241,.94) 0%,rgba(246,244,241,.99) 70%,var(--sand) 100%),
    url(/assets/images/backpic/back-3.png) center/cover no-repeat;
}
.cat-hero__grid{display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--text-2);
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}
.cat-hero__title{
  margin:18px 0 0;
  font-size:clamp(30px,3.6vw,48px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.02em;
}
.cat-hero__title em{font-style:normal;color:var(--brand);}
.cat-hero__lead{
  margin-top:18px;
  max-width:620px;
  font-size:17px;
  color:var(--text-2);
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;
  height:36px;padding:0 16px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.cat-hero__aside{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.hero-stat{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--shadow);
}
.hero-stat strong{
  display:block;
  font-size:26px;font-weight:800;color:var(--text);
  letter-spacing:-.02em;line-height:1.2;
}
.hero-stat strong span{font-size:14px;font-weight:600;color:var(--text-3);margin-left:2px;}
.hero-stat p{margin:6px 0 0;font-size:13px;color:var(--text-3);line-height:1.6;}
.hero-stat--accent{background:var(--ink);border-color:var(--ink);}
.hero-stat--accent strong{color:#fff;}
.hero-stat--accent strong span{color:rgba(255,255,255,.6);}
.hero-stat--accent p{color:rgba(255,255,255,.62);}

/* ===== 板块通用 ===== */
.section{padding:var(--sec) 0 0;}
.section--last{padding-bottom:var(--sec);}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:34px;
}
.section__title{
  position:relative;
  padding-left:16px;
  font-size:clamp(23px,2.5vw,32px);
  font-weight:700;
}
.section__title::before{
  content:"";position:absolute;left:0;top:.12em;
  width:4px;height:1em;border-radius:2px;background:var(--brand);
}
.section__desc{margin-top:10px;padding-left:16px;font-size:15px;color:var(--text-3);max-width:660px;}

/* ===== 评分摘要（深色面板） ===== */
.rating-panel{
  display:grid;grid-template-columns:1.5fr 1fr;gap:0;
  background:var(--ink);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 18px 44px rgba(20,22,26,.16);
}
.rating-panel__main{padding:36px 40px;border-right:1px solid rgba(255,255,255,.08);}
.rating-score{display:flex;align-items:flex-end;gap:14px;}
.rating-score__num{
  font-size:64px;font-weight:800;color:#fff;line-height:1;
  letter-spacing:-.03em;
}
.rating-score__max{font-size:18px;font-weight:600;color:rgba(255,255,255,.45);padding-bottom:8px;}
.rating-score__label{padding-bottom:10px;}
.rating-score__label b{display:block;color:#fff;font-size:16px;font-weight:700;}
.rating-score__label span{font-size:13px;color:rgba(255,255,255,.55);}
.rating-stars{display:flex;gap:3px;margin-top:14px;color:var(--accent);}
.rating-bars{margin-top:26px;display:grid;gap:14px;}
.bar-row{display:grid;grid-template-columns:88px 1fr 42px;align-items:center;gap:14px;}
.bar-row span{font-size:13px;color:rgba(255,255,255,.66);}
.bar-row b{font-size:13px;color:#fff;text-align:right;font-weight:700;}
.bar{height:6px;border-radius:3px;background:rgba(255,255,255,.12);overflow:hidden;}
.bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--brand),#ff8a5c);}
.bar--lime i{background:linear-gradient(90deg,var(--lime),#5fe0b4);}
.rating-panel__side{
  padding:28px;
  display:flex;flex-direction:column;gap:18px;
  background:var(--ink-800);
}
.rating-side__img{
  position:relative;
  border-radius:14px;overflow:hidden;
  aspect-ratio:4/3;
}
.rating-side__img img{width:100%;height:100%;object-fit:cover;}
.rating-side__img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(244,86,42,.14),rgba(20,22,26,.05) 60%);
}
.rating-side__tag{
  position:absolute;left:12px;bottom:12px;z-index:2;
  height:26px;padding:0 10px;
  display:inline-flex;align-items:center;
  background:var(--accent);color:var(--ink);
  border-radius:8px;font-size:12px;font-weight:700;
}
.rating-side__list{display:grid;gap:10px;}
.rating-side__list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:10px;
  border-bottom:1px dashed rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.62);
}
.rating-side__list li:last-child{border-bottom:0;padding-bottom:0;}
.rating-side__list b{color:#fff;font-size:14px;font-weight:700;}

/* ===== 口碑条带 ===== */
.strip-wrap{position:relative;}
.strip-wrap::before,
.strip-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:56px;z-index:3;pointer-events:none;
}
.strip-wrap::before{left:-32px;background:linear-gradient(90deg,var(--sand),rgba(246,244,241,0));}
.strip-wrap::after{right:-32px;background:linear-gradient(270deg,var(--sand),rgba(246,244,241,0));}
.strip{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 0 22px;
  scrollbar-width:none;
}
.strip::-webkit-scrollbar{display:none;}
.review{
  flex:0 0 330px;
  scroll-snap-align:start;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.review:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.review--alt{background:var(--sand-200);border-color:#e3ddd4;box-shadow:none;}
.review__head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;flex-shrink:0;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--accent);
  font-size:15px;font-weight:700;
}
.review__who b{display:block;font-size:14px;color:var(--text);font-weight:700;}
.review__who span{font-size:12px;color:var(--text-3);}
.stars{display:flex;gap:2px;margin-left:auto;color:var(--accent);}
.review__text{margin-top:16px;font-size:15px;line-height:1.8;color:var(--text-2);}
.review__meta{
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}

/* ===== 问答条目列表 ===== */
.q-list{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.q-item{
  display:grid;grid-template-columns:auto 1fr auto;
  align-items:center;gap:20px;
  padding:22px 26px;
  min-height:76px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s var(--ease);
}
.q-item:last-child{border-bottom:0;}
.q-item:hover{background:var(--sand-200);}
.q-item:hover .q-item__title{color:var(--brand);}
.q-item__tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 10px;
  background:var(--sand-200);
  border-radius:8px;
  font-size:12px;font-weight:600;color:var(--text-2);
  white-space:nowrap;
}
.q-item:hover .q-item__tag{background:var(--paper);}
.q-item__title{
  font-size:17px;font-weight:600;color:var(--text);
  line-height:1.45;
  transition:color .18s var(--ease);
}
.q-item__desc{margin-top:4px;font-size:13px;color:var(--text-3);line-height:1.6;}
.q-item__arrow{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--sand-200);
  color:var(--text-2);
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.q-item:hover .q-item__arrow{background:var(--brand);color:#fff;transform:translateX(2px);}

/* ===== FAQ ===== */
.faq{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:6px 28px;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;
  text-align:left;
  font-size:18px;font-weight:600;color:var(--text);
  line-height:1.55;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex-shrink:0;
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--sand-200);
  color:var(--text-2);
  font-size:20px;font-weight:400;line-height:1;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{
  padding:0 0 20px;
  max-width:820px;
  font-size:16px;line-height:1.85;color:var(--text-2);
}

/* ===== 转化 CTA ===== */
.cta-band{
  margin-top:var(--sec);
  background:var(--ink);
  padding:70px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,86,42,.34),rgba(244,86,42,0) 68%);
}
.cta-band__inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.02em;}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.68);font-size:16px;}
.cta-band__actions{margin-top:30px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-band .btn--ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.cta-band .btn--ghost:hover{border-color:var(--accent);color:var(--accent);}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink);
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 28px;
  color:rgba(255,255,255,.62);
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand__mark{background:rgba(255,255,255,.08);}
.footer-brand .brand__text{color:#fff;}
.footer-brand .brand__text span{color:rgba(255,255,255,.45);}
.site-footer p{line-height:1.85;max-width:340px;margin:0;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer ul{display:grid;gap:10px;}
.site-footer a{color:rgba(255,255,255,.62);}
.site-footer a:hover{color:var(--lime);}
.site-footer li{line-height:1.7;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.42);
}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:var(--lime);}

/* ===== 移动吸底 CTA ===== */
.sticky-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(20,22,26,.96);
  backdrop-filter:blur(8px);
  transform:translateY(110%);
  transition:transform .28s var(--ease);
}
.sticky-cta.is-visible{transform:translateY(0);}
.sticky-cta .btn{width:100%;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .cat-hero__grid{gap:36px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  .search{display:none;}
  .search-toggle{display:inline-flex;}
  .nav-top__inner.is-search-open .search{
    display:flex;
    position:absolute;left:24px;right:24px;top:56px;
    max-width:none;z-index:45;
    box-shadow:var(--shadow);
    background:var(--paper);
    border-color:var(--line);
  }
  .nav-top__inner.is-search-open{padding-bottom:0;}
  .cat-hero__grid{grid-template-columns:1fr;}
  .cat-hero__aside{grid-template-columns:repeat(4,1fr);}
  .rating-panel{grid-template-columns:1fr;}
  .rating-panel__main{border-right:0;border-bottom:1px solid rgba(255,255,255,.08);}
  .rating-panel__side{flex-direction:row;align-items:center;}
  .rating-side__img{flex:0 0 200px;aspect-ratio:4/3;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 18px;}
  body{font-size:15px;}
  .nav-top__inner{height:56px;gap:12px;}
  .brand__text{font-size:15px;}
  .brand__text span{font-size:10px;}
  .brand__mark{width:32px;height:32px;border-radius:10px;}
  .nav-top__actions .btn--primary{height:40px;padding:0 16px;font-size:14px;}
  .nav-tabs__inner{padding:0 18px;}
  .nav-top__inner.is-search-open .search{left:18px;right:18px;top:52px;}
  .cat-hero{padding:32px 0 40px;}
  .cat-hero__aside{grid-template-columns:repeat(2,1fr);}
  .hero-stat{padding:14px 16px;}
  .hero-stat strong{font-size:22px;}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section__title{font-size:22px;}
  .rating-panel__main{padding:26px 22px;}
  .rating-score__num{font-size:48px;}
  .rating-panel__side{flex-direction:column;align-items:stretch;padding:22px;}
  .rating-side__img{flex:1 1 auto;aspect-ratio:16/9;}
  .bar-row{grid-template-columns:78px 1fr 38px;gap:10px;}
  .review{flex:0 0 78vw;}
  .q-item{grid-template-columns:1fr auto;gap:14px;padding:18px;}
  .q-item__tag{grid-column:1 / -1;justify-self:start;}
  .faq{padding:2px 18px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .cta-band{padding:52px 0;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;margin-top:36px;}
  .sticky-cta{display:block;}
  .section--last{padding-bottom:calc(var(--sec) + 56px);}
}
@media (max-width:519px){
  .section__title{font-size:20px;}
  .cat-hero__title{font-size:27px;}
  .review{flex:0 0 84vw;}
  .hero-stat strong{font-size:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}