/* roulang page: index */
:root{
  --brand-500:#FF5A3C;
  --brand-600:#D93A1C;
  --brand-300:#FF8A6B;
  --brand-grad:linear-gradient(105deg,#FF5A3C 0%,#FF7A2F 55%,#FFB03C 100%);
  --mint-400:#23D5AB;
  --ink-900:#241A33;
  --ink-700:#3A2A4D;
  --text-body:#3B3350;
  --text-soft:#6B6280;
  --bg-warm:#FBF7F2;
  --line:#EFE7DE;
  --card:#FFFFFF;
  --card-radius:24px;
  --shadow-1:0 1px 2px rgba(36,26,51,.04),0 12px 28px -12px rgba(36,26,51,.16);
  --shadow-2:0 18px 40px -16px rgba(255,90,60,.26);
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-warm);
  color:var(--text-body);
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.5px;line-height:1.28}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
section[id]{scroll-margin-top:150px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg-warm);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 26px -20px rgba(36,26,51,.55)}
.nav-top__inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:38px;height:38px;border-radius:13px;background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 10px 20px -10px rgba(255,90,60,.75);
}
.brand__mark::before{content:"";width:15px;height:15px;border-radius:4px;background:#fff;transform:rotate(45deg)}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__line1{font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:-.3px}
.brand__line2{font-size:11px;font-weight:600;color:var(--brand-500);letter-spacing:2px}
.nav-search{position:relative;flex:1 1 auto;display:flex;justify-content:center;max-width:420px}
.search-form{
  display:flex;align-items:center;width:100%;height:44px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:0 6px 0 16px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(35,213,171,.3)}
.search-form input{border:0;outline:none;background:transparent;flex:1;min-width:0;font-size:14px;color:var(--text-body)}
.search-form input::placeholder{color:#A49CB4}
.search-form button{
  width:32px;height:32px;flex:0 0 auto;border:0;border-radius:50%;
  background:var(--brand-grad);color:#fff;display:grid;place-items:center;
  cursor:pointer;font-size:12px;transition:filter .2s ease;
}
.search-form button:hover{filter:brightness(1.08)}
.search-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  align-items:center;justify-content:center;cursor:pointer;font-size:14px;
}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.nav-link-quiet{font-size:14px;font-weight:600;color:var(--ink-900);padding:6px 2px;border-bottom:2px solid transparent;transition:.2s}
.nav-link-quiet:hover{color:var(--brand-600);border-bottom-color:var(--brand-300)}
.nav-channels{position:relative;border-top:1px solid var(--line);background:#fff}
.channels{
  display:flex;gap:8px;overflow-x:auto;padding:9px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channels::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;padding:8px 17px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-900);
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.pill:hover{background:#FFF3EE;color:var(--brand-600)}
.pill.is-active{background:var(--ink-900);color:#fff}
.pill.is-active:hover{background:var(--ink-900);color:#fff}
@media(max-width:767px){
  .nav-channels::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:44px;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff 70%);
    pointer-events:none;
  }
}
@media(max-width:1023px){
  .nav-search{flex:0 0 auto;max-width:none;justify-content:flex-end}
  .search-form{display:none}
  .search-toggle{display:inline-flex}
  .nav-search.is-open .search-form{
    display:flex;position:absolute;top:calc(100% + 14px);right:0;
    width:min(86vw,340px);padding:0 6px 0 16px;
    box-shadow:0 18px 36px -20px rgba(36,26,51,.6);z-index:80;
  }
  .nav-link-quiet{display:none}
}
@media(max-width:519px){
  .nav-top__inner{height:62px;gap:12px}
  .brand__line1{font-size:15px}
  .btn--sm{height:40px;padding:0 16px;font-size:13px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:0 14px 28px -16px rgba(255,90,60,.85)}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0);filter:brightness(.95)}
.btn--ghost{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--brand-500);background:#FFF3EE;transform:translateY(-2px)}
.btn--white{background:#fff;color:var(--ink-900)}
.btn--white:hover{transform:translateY(-2px) scale(1.015);box-shadow:0 18px 34px -18px rgba(0,0,0,.5)}
.btn--outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--outline-white:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn--sm{height:42px;padding:0 20px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--mint-400);outline-offset:3px}

/* ============ 通用板块 ============ */
.section{padding:56px 0;position:relative}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3.4vw,34px)}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-soft);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  background:rgba(255,90,60,.1);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-600);
  background:rgba(255,90,60,.1);border-radius:999px;padding:3px 12px;letter-spacing:.2px;
}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);transition:gap .2s ease}
.text-link:hover{gap:10px}
.text-link i{font-size:11px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:44px 0 56px}
@media(min-width:1024px){.hero{padding:64px 0 88px}}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:110px;
  background-image:radial-gradient(rgba(255,90,60,.18) 1px,transparent 1px);
  background-size:16px 16px;opacity:.55;pointer-events:none;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000);
  mask-image:linear-gradient(180deg,transparent,#000);
}
.hero__grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center;position:relative;z-index:2}
@media(min-width:1024px){.hero__grid{grid-template-columns:7fr 5fr;gap:56px}}
.hero__title{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.16;letter-spacing:-1px;margin-bottom:0;
}
.hero__sub{margin-top:20px;font-size:17px;color:var(--text-soft);max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.stat-badge{
  display:flex;flex-direction:column;gap:2px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:12px 20px;min-width:130px;box-shadow:0 1px 2px rgba(36,26,51,.03);
}
.stat-badge__num{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;letter-spacing:-.5px;display:flex;align-items:center;gap:7px}
.stat-badge__num .dot{width:7px;height:7px;border-radius:50%;background:var(--mint-400);flex:0 0 auto}
.stat-badge__label{font-size:12.5px;color:var(--text-soft);letter-spacing:.2px}
.hero__media{position:relative}
.hero__media-img{
  position:relative;border-radius:32px;overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--shadow-1);
}
.hero__media-img img{width:100%;height:100%;object-fit:cover}
.hero__media-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(36,26,51,0) 45%,rgba(36,26,51,.38) 100%);
}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:10px 15px;
  box-shadow:0 18px 36px -20px rgba(36,26,51,.55);
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--ink-900);
}
.float-card--status{top:18px;left:18px}
.float-card--status .dot{width:8px;height:8px;border-radius:50%;background:var(--mint-400);box-shadow:0 0 0 4px rgba(35,213,171,.18)}
.float-card--status small{display:block;font-size:11px;font-weight:500;color:var(--text-soft)}
.float-card--chart{bottom:18px;right:18px;flex-direction:column;align-items:flex-start;gap:6px}
.mini-bars{display:flex;align-items:flex-end;gap:3px;height:26px}
.mini-bars span{width:6px;border-radius:3px;background:var(--brand-grad)}
.float-card--chart small{font-size:11px;font-weight:500;color:var(--text-soft)}
@media(max-width:519px){
  .float-card{padding:8px 12px;font-size:12px}
  .float-card--status{top:12px;left:12px}
  .float-card--chart{bottom:12px;right:12px}
  .hero__media-img{border-radius:24px}
}

/* ============ Bento 功能区 ============ */
.bento{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.bento{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.bento{grid-template-columns:repeat(12,1fr);gap:24px}}
.bento-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--card-radius);
  padding:26px;box-shadow:0 1px 2px rgba(36,26,51,.03);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,60,.3)}
.bento-card h3{font-size:18px;margin-bottom:10px}
.bento-card p{font-size:14.5px;color:var(--text-soft);line-height:1.75}
.bento-card .text-link{margin-top:auto;padding-top:18px}
.bento-card--lg{grid-column:span 1}
.bento-card--sm{grid-column:span 1}
.bento-card--wide{grid-column:span 1}
@media(min-width:1024px){
  .bento-card--lg{grid-column:span 6}
  .bento-card--sm{grid-column:span 3}
  .bento-card--wide{grid-column:span 6}
}
.bento-card__media{border-radius:18px;overflow:hidden;margin-bottom:20px;aspect-ratio:16/9}
.bento-card__media img{width:100%;height:100%;object-fit:cover}
.bento-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,90,60,.1);color:var(--brand-600);font-size:17px;margin-bottom:16px;
}
.checklist{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.checklist li{display:flex;gap:9px;font-size:14px;color:var(--text-body);line-height:1.65}
.checklist li i{color:var(--mint-400);font-size:12px;margin-top:6px;flex:0 0 auto}

/* ============ 使用场景 ============ */
.scene{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;margin-bottom:56px}
.scene:last-child{margin-bottom:0}
@media(min-width:1024px){
  .scene{gap:56px;margin-bottom:96px}
  .scene--img5{grid-template-columns:5fr 7fr}
  .scene--img7{grid-template-columns:7fr 5fr}
}
@media(min-width:1024px){.scene--img7 .scene__media{order:2}}
.scene__media{border-radius:28px;overflow:hidden;aspect-ratio:16/11;box-shadow:var(--shadow-1)}
.scene__media img{width:100%;height:100%;object-fit:cover}
.scene h3{font-size:clamp(20px,2.4vw,24px);margin:14px 0 12px}
.scene p{font-size:15.5px;color:var(--text-soft)}
.scene--dark{background:linear-gradient(135deg,#241A33,#4B2E63);border-radius:32px;padding:32px;color:#fff}
@media(min-width:1024px){.scene--dark{padding:48px}}
.scene--dark h3{color:#fff}
.scene--dark p{color:rgba(255,255,255,.76)}
.scene--dark .checklist li{color:rgba(255,255,255,.9)}
.scene--dark .tag{background:rgba(255,255,255,.16);color:#fff}
.scene--dark .scene__media{box-shadow:0 24px 50px -28px rgba(0,0,0,.7)}

/* ============ 成功案例 ============ */
.cases{background:linear-gradient(135deg,#241A33 0%,#4B2E63 100%);color:#fff}
.cases h2{color:#fff}
.cases .section-head p{color:rgba(255,255,255,.72)}
.cases__grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.cases__grid{grid-template-columns:1fr 1fr;gap:32px}}
.quote-card{
  margin:0;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:28px;padding:30px;display:flex;flex-direction:column;justify-content:space-between;
}
.quote-card blockquote{margin:0 0 26px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.92)}
.quote-card blockquote::before{content:"\201C";font-size:44px;line-height:0;color:var(--brand-300);margin-right:6px;vertical-align:-14px}
.quote-card figcaption{display:flex;align-items:center;gap:14px}
.avatar{
  width:46px;height:46px;border-radius:50%;flex:0 0 auto;
  background:var(--brand-grad);color:#fff;display:grid;place-items:center;
  font-weight:700;font-size:16px;
}
.quote-card figcaption strong{display:block;font-size:15px;color:#fff;font-weight:600}
.quote-card figcaption span{display:block;font-size:13px;color:rgba(255,255,255,.62)}
.stat-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat-cell{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:4px;
}
.stat-cell strong{font-size:clamp(26px,3vw,34px);font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-1px;line-height:1.2}
.stat-cell span{font-size:13px;color:rgba(255,255,255,.68)}
.logo-row{
  display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:40px;padding-top:30px;
  border-top:1px solid rgba(255,255,255,.14);
}
.logo-row span{
  font-size:15px;font-weight:700;letter-spacing:1px;
  color:rgba(255,255,255,.42);transition:color .25s ease;
}
.logo-row span:hover{color:#fff}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:1fr;gap:22px;align-items:stretch}
@media(min-width:1024px){.price-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:26px;
  padding:30px 26px;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.price-card--featured{
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--brand-grad) border-box;
  box-shadow:0 20px 44px -24px rgba(255,90,60,.55);
}
@media(min-width:1024px){.price-card--featured{transform:scale(1.02)}.price-card--featured:hover{transform:scale(1.02) translateY(-4px)}}
.price-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--brand-grad);color:#fff;font-size:12px;font-weight:700;
  padding:5px 16px;border-radius:999px;letter-spacing:.5px;white-space:nowrap;
}
.price-card h3{font-size:18px;margin-bottom:6px}
.price-card .price-desc{font-size:13.5px;color:var(--text-soft);min-height:42px}
.price-num{display:flex;align-items:baseline;gap:6px;margin:18px 0 4px}
.price-num strong{font-size:clamp(30px,3.4vw,38px);font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;letter-spacing:-1px}
.price-num span{font-size:13px;color:var(--text-soft)}
.price-card hr{border:0;border-top:1px solid var(--line);margin:20px 0}
.price-card .checklist{margin-top:0;margin-bottom:26px}
.price-card .btn{width:100%;margin-top:auto}
.price-note{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--text-soft)}

/* ============ 资讯（CMS） ============ */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.news-head h2{font-size:clamp(26px,3.4vw,34px)}
.news-head p{margin-top:12px;color:var(--text-soft);font-size:15.5px;max-width:560px}
.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.filter-pill{
  display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid var(--line);background:#fff;color:var(--text-soft);transition:.2s;
}
.filter-pill:hover{border-color:var(--brand-300);color:var(--brand-600)}
.filter-pill.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:20px;overflow:hidden;box-shadow:0 1px 2px rgba(36,26,51,.03);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,90,60,.3)}
.news-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#F2ECE4}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__badge{position:absolute;left:14px;top:14px}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-card__title{
  font-size:16.5px;line-height:1.5;margin-bottom:10px;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:calc(1.5em * 2);
}
.news-card__excerpt{
  font-size:14px;color:var(--text-soft);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.news-card__meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-soft);padding-top:14px;border-top:1px solid var(--line);
}
.news-card__meta i{font-size:11px;margin-right:6px}
.news-card__arrow{color:var(--brand-500);font-size:12px;transition:transform .2s ease}
.news-card:hover .news-card__arrow{transform:translate(2px,-2px)}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:20px;
  padding:56px 24px;text-align:center;color:var(--text-soft);
}
.news-empty i{font-size:26px;color:var(--brand-300);margin-bottom:14px;display:block}
.news-empty p{font-size:15px}
.news-empty a{display:inline-block;margin-top:10px;font-size:13.5px;font-weight:600;color:var(--brand-600)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){.faq-layout{grid-template-columns:4fr 8fr;gap:56px}}
.faq-aside h2{font-size:clamp(26px,3.4vw,34px)}
.faq-aside p{margin-top:14px;color:var(--text-soft);font-size:15.5px}
.faq-aside .btn{margin-top:26px}
.faq-list{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:1024px){.faq-list{grid-template-columns:repeat(2,1fr);align-content:start}}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:0 22px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,90,60,.35);box-shadow:0 14px 30px -22px rgba(36,26,51,.5)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0;font-size:15.5px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:#FFF3EE;color:var(--brand-600);display:grid;place-items:center;
  font-size:10px;transition:transform .25s ease,background .25s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);background:var(--brand-500);color:#fff}
.faq-answer{padding:0 0 18px;font-size:14.5px;color:var(--text-soft);line-height:1.85}

/* ============ CTA + 表单 ============ */
.cta-card{
  background:var(--brand-grad);border-radius:32px;padding:36px 26px;
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
  box-shadow:0 32px 60px -36px rgba(255,90,60,.7);
}
@media(min-width:768px){.cta-card{padding:48px}}
@media(min-width:1024px){.cta-card{grid-template-columns:1fr 1fr;gap:48px;padding:56px}}
.cta-card h2{color:#fff;font-size:clamp(24px,3.2vw,32px);line-height:1.3}
.cta-card p{color:rgba(255,255,255,.92);margin-top:14px;font-size:15.5px;max-width:420px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.form-card{background:#fff;border-radius:24px;padding:26px;box-shadow:0 24px 48px -30px rgba(36,26,51,.6)}
.form-card h3{font-size:17px;margin-bottom:4px}
.form-card > p{font-size:13px;color:var(--text-soft);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-900);margin-bottom:6px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:14px;
  padding:11px 14px;font-size:14px;color:var(--text-body);background:#FDFBF9;
  outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(35,213,171,.28);background:#fff}
.field textarea{resize:vertical;min-height:78px}
.field--error input,.field--error textarea{border-color:var(--brand-600)}
.field__err{display:none;color:var(--brand-600);font-size:12px;margin-top:5px}
.field--error .field__err{display:block}
.form-card .btn{width:100%;margin-top:6px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.7);padding:56px 0 0;margin-top:0}
@media(min-width:1024px){.site-footer{padding:72px 0 0}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:40px}}
.footer-brand .brand__line1{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:300px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.5px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-contact{font-size:14px;line-height:1.9}
.footer-contact strong{display:block;color:#fff;font-size:15px;font-weight:600;margin-bottom:4px}
.footer-contact a{color:var(--brand-300)}
.footer-contact a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  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__links{display:flex;gap:20px}
.footer-bottom__links a{color:rgba(255,255,255,.6);transition:color .2s ease}
.footer-bottom__links a:hover{color:#fff}

/* roulang page: category1 */
:root{
  --brand-500:#FF5A3C;
  --brand-600:#D93A1C;
  --brand-300:#FF8A6B;
  --brand-grad:linear-gradient(105deg,#FF5A3C 0%,#FF7A2F 55%,#FFB03C 100%);
  --ink-900:#241A33;
  --ink-700:#3A2A4D;
  --deep-grad:linear-gradient(135deg,#241A33,#4B2E63);
  --mint-400:#23D5AB;
  --bg-warm:#FBF7F2;
  --bg-soft:#FFF3EE;
  --card:#FFFFFF;
  --line:#EFE7DE;
  --text:#3B3350;
  --muted:#6B6280;
  --card-radius:24px;
  --radius-lg:32px;
  --radius-sm:14px;
  --shadow-sm:0 1px 2px rgba(36,26,51,.04),0 12px 28px -12px rgba(36,26,51,.16);
  --shadow-hover:0 18px 40px -16px rgba(255,90,60,.26);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  background:var(--bg-warm);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--mint-400);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:#FDFBF8;
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(36,26,51,.04),0 12px 28px -12px rgba(36,26,51,.16);
}
.nav-top{position:relative}
.nav-top__inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  position:relative;width:38px;height:38px;border-radius:12px;
  background:var(--brand-grad);
  box-shadow:0 8px 18px -8px rgba(255,90,60,.75);
  flex:none;
}
.brand__mark::before{
  content:"";position:absolute;inset:11px;border-radius:5px;
  background:#fff;transform:rotate(45deg);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__line1{font-size:16px;font-weight:700;letter-spacing:-.5px;color:var(--ink-900)}
.brand__line2{font-size:11px;letter-spacing:.18em;color:var(--muted);margin-top:2px}
.nav-search{flex:1;display:flex;justify-content:center;max-width:430px;margin:0 auto}
.search-form{
  display:flex;align-items:center;gap:6px;width:100%;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:4px 6px 4px 16px;transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form:focus-within{border-color:rgba(255,90,60,.55);box-shadow:0 0 0 3px rgba(35,213,171,.18)}
.search-form input{flex:1;border:0;outline:0;background:transparent;font-size:14px;line-height:1.6;min-width:0}
.search-form input::placeholder{color:#A79FB5}
.search-form button{
  width:34px;height:34px;border-radius:999px;background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-size:13px;flex:none;transition:filter var(--ease),transform var(--ease);
}
.search-form button:hover{filter:brightness(1.06)}
.search-toggle{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-900);place-items:center;font-size:14px}
.nav-actions{display:flex;align-items:center;gap:16px;flex:none}
.nav-link-quiet{font-size:14px;color:var(--ink-900);font-weight:500}
.nav-link-quiet:hover{color:var(--brand-600)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px -12px rgba(255,90,60,.85)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn--primary:active{transform:translateY(0);filter:brightness(.94)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn--ghost:hover{border-color:rgba(255,90,60,.6);background:var(--bg-soft)}
.btn--onDark{background:#fff;color:var(--ink-900)}
.btn--onDark:hover{transform:scale(1.02)}
.btn--outlineLight{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--outlineLight:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--md{padding:12px 24px;font-size:15px}
.btn--lg{padding:14px 30px;font-size:16px}

.nav-channels{border-top:1px solid rgba(239,231,222,.75);background:#FDFBF8}
.nav-channels .container{position:relative}
.channels{display:flex;gap:8px;overflow-x:auto;padding:8px 0;scrollbar-width:none;-ms-overflow-style:none}
.channels::-webkit-scrollbar{display:none}
.pill{
  flex:none;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;
  color:var(--ink-900);border:1px solid transparent;white-space:nowrap;transition:background var(--ease),color var(--ease);
}
.pill:hover{background:var(--bg-soft)}
.pill.is-active{background:var(--ink-900);color:#fff;box-shadow:0 10px 20px -14px rgba(36,26,51,.9)}
@media(max-width:1023px){
  .nav-search{position:static;max-width:none;flex:none}
  .nav-search .search-form{display:none}
  .search-toggle{display:grid}
  .nav-search.is-open .search-form{
    display:flex;position:absolute;left:20px;right:20px;top:calc(100% - 4px);z-index:95;
    box-shadow:var(--shadow-sm);
  }
  .nav-top__inner{gap:12px}
  .nav-search{margin-left:auto}
}
@media(max-width:767px){
  .nav-channels .container::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:34px;pointer-events:none;
    background:linear-gradient(90deg,rgba(253,251,248,0),#FDFBF8 70%);
  }
  .nav-link-quiet{display:none}
  .nav-top__inner{height:64px}
}
@media(max-width:520px){
  .brand__line1{font-size:15px}
  .btn--sm{padding:8px 14px;font-size:13px}
}

/* ---------- Page hero ---------- */
.page-hero{position:relative;padding:44px 0 64px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(36,26,51,.09) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb i{font-size:10px;opacity:.6}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,90,60,.1);color:var(--brand-600);font-size:13px;font-weight:600;
  margin-bottom:18px;
}
.kicker .dot{width:7px;height:7px;border-radius:999px;background:var(--mint-400)}
.page-title{
  font-size:clamp(30px,4.4vw,46px);line-height:1.22;letter-spacing:-.5px;
  font-weight:700;color:var(--ink-900);margin-bottom:18px;
}
.page-title .hl{
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:0 24px 50px -26px rgba(36,26,51,.45);
}
.hero-figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);pointer-events:none;
  background:linear-gradient(160deg,rgba(36,26,51,.55),rgba(36,26,51,0) 62%);
}
.float-card{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.7);
  border-radius:16px;padding:12px 16px;box-shadow:var(--shadow-sm);
  backdrop-filter:blur(6px);
}
.float-card .status-dot{width:9px;height:9px;border-radius:999px;background:var(--mint-400);box-shadow:0 0 0 4px rgba(35,213,171,.2);flex:none}
.float-card strong{display:block;font-size:13px;color:var(--ink-900);line-height:1.4}
.float-card span{display:block;font-size:12px;color:var(--muted);line-height:1.4}
.float-card--top{left:auto;right:16px;top:16px;bottom:auto}

/* ---------- Sections ---------- */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:720px;margin-bottom:36px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-label{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);margin-bottom:12px;
}
.section-title{
  font-size:clamp(24px,3.2vw,34px);line-height:1.3;letter-spacing:-.5px;
  font-weight:700;color:var(--ink-900);margin-bottom:14px;
}
.section-desc{font-size:16px;color:var(--muted);line-height:1.85}

/* filter pills */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.filter-pill{
  padding:8px 18px;border-radius:999px;font-size:14px;font-weight:500;
  background:#fff;border:1px solid var(--line);color:var(--ink-900);
  transition:background var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.filter-pill:hover{border-color:rgba(255,90,60,.5);background:var(--bg-soft)}
.filter-pill.is-current{background:var(--ink-900);border-color:var(--ink-900);color:#fff;box-shadow:0 10px 20px -14px rgba(36,26,51,.9)}

/* module cards */
.mod-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.mod-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.mod-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.mod-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--card-radius);
  overflow:hidden;box-shadow:0 1px 2px rgba(36,26,51,.04);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mod-card:hover{transform:translateY(-4px);border-color:rgba(255,90,60,.3);box-shadow:var(--shadow-hover)}
.mod-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE6DE}
.mod-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.mod-card:hover .mod-card__media img{transform:scale(1.04)}
.mod-card__tag{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,90,60,.12);color:#fff;
  backdrop-filter:blur(4px);
  background-color:rgba(36,26,51,.55);
  border:1px solid rgba(255,255,255,.24);
}
.mod-card__body{display:flex;flex-direction:column;flex:1;padding:22px 22px 24px}
.mod-card__icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,90,60,.1);color:var(--brand-600);font-size:16px;margin-bottom:14px;
}
.mod-card__title{font-size:18px;font-weight:700;color:var(--ink-900);line-height:1.45;margin-bottom:8px}
.mod-card__desc{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.points{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.points li{display:flex;gap:9px;font-size:14px;color:var(--text);line-height:1.7}
.points i{color:var(--mint-400);font-size:12px;margin-top:7px;flex:none}
.mod-card__link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-600);
}
.mod-card__link i{font-size:12px;transition:transform var(--ease)}
.mod-card__link:hover i{transform:translateX(4px)}

/* spec band */
.spec-band{
  background:var(--deep-grad);border-radius:var(--radius-lg);
  padding:40px 28px;display:grid;grid-template-columns:1fr;gap:28px;
  box-shadow:0 26px 60px -34px rgba(36,26,51,.6);
}
@media(min-width:640px){.spec-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:44px 36px}}
@media(min-width:1024px){.spec-band{grid-template-columns:repeat(4,minmax(0,1fr));padding:48px 44px}}
.spec-item{display:flex;flex-direction:column;gap:6px;border-left:2px solid rgba(35,213,171,.55);padding-left:16px}
.spec-item__top{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72)}
.spec-item__top .dot{width:7px;height:7px;border-radius:999px;background:var(--mint-400)}
.spec-item__num{font-size:clamp(30px,4vw,40px);font-weight:700;color:#fff;line-height:1.1;letter-spacing:-1px}
.spec-item__note{font-size:13px;color:rgba(255,255,255,.66);line-height:1.7}

/* flow */
.flow-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.flow-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--card-radius);
  padding:28px 24px;position:relative;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,60,.3)}
.flow-card__num{
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-600);
  margin-bottom:14px;display:block;
}
.flow-card h3{font-size:18px;font-weight:700;color:var(--ink-900);margin-bottom:10px;line-height:1.45}
.flow-card p{font-size:14px;color:var(--muted);line-height:1.85}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){.faq-layout{grid-template-columns:320px 1fr;gap:56px}}
.faq-aside h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:var(--ink-900);line-height:1.32;margin-bottom:14px;letter-spacing:-.5px}
.faq-aside p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:20px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item.is-open{border-color:rgba(255,90,60,.35);box-shadow:0 14px 32px -22px rgba(36,26,51,.4)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-q i{font-size:13px;color:var(--brand-600);margin-top:6px;transition:transform var(--ease);flex:none}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a__inner{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* related categories */
.rel-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.rel-card{
  display:flex;align-items:center;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--card-radius);
  padding:24px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,60,.3)}
.rel-card__icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;flex:none;
  background:var(--brand-grad);color:#fff;font-size:19px;
}
.rel-card h3{font-size:17px;font-weight:700;color:var(--ink-900);margin-bottom:6px}
.rel-card p{font-size:14px;color:var(--muted);line-height:1.7}
.rel-card__arrow{margin-left:auto;color:var(--brand-600);font-size:15px;flex:none;transition:transform var(--ease)}
.rel-card:hover .rel-card__arrow{transform:translateX(4px)}

/* CTA */
.cta-band{
  background:var(--brand-grad);border-radius:var(--radius-lg);
  padding:44px 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 28px 60px -32px rgba(255,90,60,.65);
}
@media(min-width:768px){.cta-band{padding:56px 44px}}
.cta-band h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;color:#fff;line-height:1.3;letter-spacing:-.5px;margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.9);line-height:1.8;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Footer ---------- */
.site-footer{background:var(--deep-grad);color:rgba(255,255,255,.7);margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:56px 0 40px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px}}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand__line1{color:#fff}
.footer-brand .brand__line2{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);line-height:1.6}
.footer-col a:hover{color:#fff}
.footer-contact strong{display:block;font-size:14px;color:#fff;margin-bottom:8px}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.8}
.footer-contact a{color:var(--brand-300);font-weight:600}
.footer-contact a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom__links{display:flex;gap:20px}
.footer-bottom__links a{color:rgba(255,255,255,.55)}
.footer-bottom__links a:hover{color:#fff}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: article */
:root{
  --brand-500:#FF5A3C;
  --brand-600:#D93A1C;
  --brand-300:#FF8A6B;
  --brand-grad:linear-gradient(105deg,#FF5A3C 0%,#FF7A2F 55%,#FFB03C 100%);
  --ink-900:#241A33;
  --ink-700:#3A2A4D;
  --mint-400:#23D5AB;
  --bg-warm:#FBF7F2;
  --card:#FFFFFF;
  --line:#EFE7DE;
  --text:#3B3350;
  --text-soft:#6B6280;
  --card-radius:20px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(36,26,51,.04),0 12px 28px -12px rgba(36,26,51,.16);
  --shadow-2:0 18px 40px -16px rgba(255,90,60,.26);
  --header-h:120px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 18px)}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg-warm);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--mint-400);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg-warm);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{
  box-shadow:0 10px 30px -18px rgba(36,26,51,.38);
  border-bottom-color:var(--line);
}
.nav-top__inner{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-grad);
  position:relative;
  box-shadow:0 8px 18px -10px rgba(255,90,60,.9);
  flex:0 0 auto;
}
.brand__mark::after{
  content:"";position:absolute;inset:0;margin:auto;
  width:14px;height:14px;border-radius:4px;
  background:rgba(255,255,255,.94);
  transform:rotate(45deg);
}
.brand__text{display:flex;flex-direction:column;line-height:1.12}
.brand__line1{font-weight:700;font-size:17px;letter-spacing:-.4px;color:var(--ink-900)}
.brand__line2{font-size:11px;letter-spacing:.32em;color:var(--text-soft);margin-top:2px}

.nav-search{position:relative;flex:1 1 auto;display:flex;justify-content:center;max-width:420px;margin:0 auto}
.search-form{
  display:flex;align-items:center;width:100%;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:4px 4px 4px 18px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--brand-300);box-shadow:0 0 0 4px rgba(255,90,60,.10)}
.search-form input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--text);padding:8px 0}
.search-form input::placeholder{color:#a9a1b8}
.search-form button{
  width:34px;height:34px;border-radius:var(--radius-pill);
  background:var(--brand-grad);color:#fff;font-size:13px;
  display:grid;place-items:center;flex:0 0 auto;
}
.search-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  place-items:center;font-size:14px;
}
.search-toggle:hover{border-color:var(--brand-300);color:var(--brand-600)}

.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-link-quiet{font-size:14px;font-weight:600;color:var(--ink-900);opacity:.75}
.nav-link-quiet:hover{opacity:1;color:var(--brand-600)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-weight:600;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 26px -14px rgba(255,90,60,.85)}
.btn--primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0);filter:brightness(.95)}
.btn--ghost{background:#fff;border:1px solid var(--line);color:var(--ink-900)}
.btn--ghost:hover{border-color:var(--brand-500);background:#FFF3EE;transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--md{padding:13px 26px;font-size:15px}

.nav-channels{
  position:relative;
  background:#fff;
  border-top:1px solid rgba(239,231,222,.7);
  border-bottom:1px solid var(--line);
}
.channels{
  display:flex;align-items:center;gap:6px;height:54px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channels::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;padding:7px 15px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;color:var(--ink-900);opacity:.78;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,opacity .2s ease;
}
.pill:hover{background:#FFF1EB;opacity:1;color:var(--brand-600)}
.pill.is-active{background:var(--ink-900);color:#fff;opacity:1}

/* ---------- article layout ---------- */
.article-page{padding:34px 0 80px}
.article-shell{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:56px;
  justify-content:center;
  align-items:start;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-soft);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-soft)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#cbc2d6}
.breadcrumb .current{
  color:var(--ink-900);font-weight:600;
  max-width:min(360px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,90,60,.10);color:var(--brand-600);
  font-size:13px;font-weight:600;
}
.article-head h1{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.32;
  letter-spacing:-.6px;
  color:var(--ink-900);
  font-weight:700;
  margin:16px 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:13.5px;color:var(--text-soft);
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--brand-300)}
.share-group{margin-left:auto;display:flex;gap:8px}
.share-group a{
  width:32px;height:32px;border-radius:var(--radius-pill);
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--text-soft);font-size:13px;background:#fff;
}
.share-group a:hover{border-color:var(--brand-500);color:var(--brand-600);background:#FFF3EE}

.article-cover{margin:26px 0 4px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- article body typography ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text);padding-top:24px}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:700;color:var(--ink-900);
  line-height:1.45;letter-spacing:-.3px;
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;
  background:var(--brand-grad);
}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink-900);margin:1.7em 0 .7em;line-height:1.5}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink-700);margin:1.4em 0 .6em}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-500)}
.article-body strong{color:var(--ink-900);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.78em;
  width:7px;height:7px;border-radius:50%;background:var(--brand-500);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:.55em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.12em;
  width:20px;height:20px;border-radius:50%;
  background:rgba(255,90,60,.12);color:var(--brand-600);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  background:#FFF6F1;border-left:4px solid var(--brand-500);
  border-radius:0 16px 16px 0;color:#5a4f6d;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.4em 0;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--text-soft);margin-top:10px;text-align:center}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;
  border:1px solid var(--line);border-radius:16px;
  margin:1.6em 0;font-size:15px;
  background:#fff;
}
.article-body thead th{
  background:#FBF3EE;color:var(--ink-900);font-weight:600;text-align:left;
  padding:12px 16px;white-space:nowrap;
}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--line);color:var(--text)}
.article-body tbody tr:nth-child(even){background:#FDFAF7}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ---------- tags / related / cta ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:42px 0 0;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-soft);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--text);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-600);background:#FFF3EE}

.related{margin-top:52px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.section-head h2{font-size:22px;font-weight:700;color:var(--ink-900);letter-spacing:-.3px}
.section-head .more{font-size:13.5px;font-weight:600;color:var(--brand-600)}
.section-head .more:hover{color:var(--brand-500)}
.related-list{display:grid;gap:14px}
.related-card{
  display:flex;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--card-radius);
  padding:14px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(255,90,60,.32);box-shadow:var(--shadow-2)}
.related-card img{width:104px;height:80px;object-fit:cover;border-radius:14px;flex:0 0 auto}
.related-card .rc-body{min-width:0}
.related-card h3{
  font-size:15.5px;font-weight:600;color:var(--ink-900);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card:hover h3{color:var(--brand-600)}
.related-card time{display:block;font-size:12.5px;color:var(--text-soft);margin-top:6px}

.article-cta{
  margin-top:44px;border-radius:28px;
  background:var(--brand-grad);
  padding:34px 36px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  box-shadow:0 22px 48px -24px rgba(255,90,60,.7);
}
.article-cta h2{font-size:22px;font-weight:700;letter-spacing:-.3px}
.article-cta p{font-size:14px;opacity:.94;margin-top:6px;max-width:520px}
.btn--light{background:#fff;color:#B4321A;padding:12px 24px;font-size:15px;box-shadow:0 12px 24px -14px rgba(36,26,51,.45)}
.btn--light:hover{transform:translateY(-2px) scale(1.02)}

/* ---------- aside ---------- */
.article-aside{
  position:sticky;top:calc(var(--header-h) + 20px);
  display:grid;gap:18px;
}
.toc-card,.consult-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--card-radius);padding:20px;
  box-shadow:var(--shadow-1);
}
.toc-card h2{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--text-soft);margin-bottom:14px;
}
.toc-list{
  display:grid;gap:9px;
  border-left:2px solid var(--line);
  padding-left:14px;
}
.toc-list a{
  display:block;font-size:13.5px;line-height:1.55;color:var(--text-soft);
  transition:color .2s ease;
}
.toc-list a:hover,.toc-list a.is-current{color:var(--brand-600);font-weight:600}

.consult-card{
  background:linear-gradient(150deg,#241A33,#4B2E63);
  border:0;color:#fff;
}
.consult-card h2{font-size:16px;font-weight:700;color:#fff;line-height:1.5}
.consult-card p{font-size:13px;line-height:1.75;color:rgba(255,255,255,.72);margin-top:8px}
.consult-card .btn{
  margin-top:16px;width:100%;
  background:rgba(255,255,255,.94);color:#B4321A;
  padding:10px 16px;font-size:14px;
}
.consult-card .btn:hover{background:#fff;transform:translateY(-2px)}
.consult-card .status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:rgba(255,255,255,.7);margin-bottom:10px;
}
.consult-card .status i{width:7px;height:7px;border-radius:50%;background:var(--mint-400)}

/* ---------- empty ---------- */
.empty-wrap{
  max-width:640px;margin:40px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:64px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-wrap i{font-size:34px;color:var(--brand-300)}
.empty-wrap h1{font-size:26px;font-weight:700;color:var(--ink-900);margin:18px 0 10px}
.empty-wrap p{font-size:15px;color:var(--text-soft);margin-bottom:24px}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(135deg,#241A33,#4B2E63);
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:48px;
}
.site-footer .brand__line1{color:#fff}
.site-footer .brand__line2{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;max-width:320px;color:rgba(255,255,255,.7)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.7)}
.footer-col a:hover{color:#fff}
.footer-contact strong{color:#fff;font-size:14px}
.footer-contact p{font-size:13.5px;line-height:1.75;margin-top:10px;color:rgba(255,255,255,.7)}
.footer-contact a{color:var(--brand-300)}
.footer-contact a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom__links{display:flex;gap:18px}
.footer-bottom__links a{color:rgba(255,255,255,.6)}
.footer-bottom__links a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px}
  .article-page{padding:26px 0 64px}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-aside{position:static;grid-template-columns:1fr 1fr;top:auto}
  .nav-search{max-width:none;flex:0 0 auto;justify-content:flex-end;margin:0}
  .search-form{display:none}
  .search-toggle{display:grid}
  .nav-search.is-open .search-form{
    display:flex;position:absolute;top:50px;right:0;
    width:min(320px,78vw);background:#fff;
    box-shadow:var(--shadow-1);z-index:70;
  }
  .nav-channels::after{
    content:"";position:absolute;top:0;right:0;bottom:0;width:46px;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff);
    pointer-events:none;
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .nav-top__inner{height:60px;gap:12px}
  .brand__mark{width:32px;height:32px;border-radius:10px}
  .brand__line1{font-size:15px}
  .brand__line2{font-size:10px;letter-spacing:.26em}
  .nav-link-quiet{display:none}
  .nav-top__inner .btn--sm{padding:8px 14px;font-size:13px}
  .channels{height:50px;gap:4px}
  .pill{font-size:13px;padding:6px 13px}
  .article-head h1{font-size:26px;line-height:1.36}
  .article-meta{gap:12px;font-size:13px}
  .share-group{margin-left:0;width:100%}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-aside{grid-template-columns:1fr}
  .related-card img{width:86px;height:66px}
  .article-cta{padding:26px 22px;border-radius:22px}
  .article-cta h2{font-size:19px}
  .article-cta .btn--light{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px;margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:400px){
  .brand__line2{display:none}
  .empty-wrap{padding:44px 20px}
}

/* roulang page: category2 */
:root{
  --brand-500:#FF5A3C;
  --brand-600:#D93A1C;
  --brand-300:#FF8A6B;
  --brand-grad:linear-gradient(105deg,#FF5A3C 0%,#FF7A2F 55%,#FFB03C 100%);
  --mint-400:#23D5AB;
  --ink-900:#241A33;
  --ink-700:#3A2A4D;
  --text:#3B3350;
  --text-2:#6B6280;
  --bg-warm:#FBF7F2;
  --card:#FFFFFF;
  --line:#EFE7DE;
  --radius-sm:14px;
  --radius:20px;
  --radius-lg:24px;
  --radius-xl:32px;
  --shadow-1:0 1px 2px rgba(36,26,51,.04),0 12px 28px -12px rgba(36,26,51,.16);
  --shadow-2:0 18px 40px -16px rgba(255,90,60,.26);
  --nav-h:124px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  padding-top:var(--nav-h);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-warm);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink-900);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--mint-400);outline-offset:3px;border-radius:8px}

/* ============ 导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;background:var(--bg-warm);transition:box-shadow .22s ease}
.site-header.is-scrolled{box-shadow:0 1px 0 var(--line),0 14px 32px -24px rgba(36,26,51,.5)}
.nav-top{height:72px}
.nav-top__inner{height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{width:38px;height:38px;border-radius:12px;background:var(--brand-grad);position:relative;box-shadow:0 10px 20px -12px rgba(255,90,60,.9)}
.brand__mark::after{content:"";position:absolute;inset:11px;border-radius:4px;background:#fff;transform:rotate(45deg)}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__line1{font-weight:700;font-size:17px;letter-spacing:-.5px;color:var(--ink-900)}
.brand__line2{font-size:11px;letter-spacing:2.4px;color:var(--text-2);margin-top:2px}
.nav-search{flex:1;display:flex;justify-content:center;position:relative;min-width:0}
.search-form{display:flex;align-items:center;width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 6px 4px 18px;transition:border-color .2s,box-shadow .2s}
.search-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(35,213,171,.22)}
.search-form input{flex:1;min-width:0;border:none;outline:none;background:transparent;height:34px;font-size:14px;color:var(--text)}
.search-form input::placeholder{color:#A49BB5}
.search-form button{width:34px;height:34px;flex:0 0 auto;border-radius:999px;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-size:13px;transition:filter .2s}
.search-form button:hover{filter:brightness(1.06)}
.search-toggle{display:none;width:40px;height:40px;border-radius:999px;background:#fff;border:1px solid var(--line);place-items:center;color:var(--ink-700)}
.nav-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.nav-link-quiet{font-size:14px;font-weight:600;color:var(--ink-700);transition:color .2s}
.nav-link-quiet:hover{color:var(--brand-600)}
.nav-channels{border-top:1px solid var(--line)}
.channels{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:9px 0;scrollbar-width:none;-ms-overflow-style:none}
.channels::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-700);transition:background .2s,color .2s}
.pill:hover{background:#FFEDE6;color:var(--brand-600)}
.pill.is-active{background:var(--ink-900);color:#fff}
.pill.is-active:hover{background:var(--ink-900);color:#fff}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;white-space:nowrap}
.btn--primary{background:var(--brand-grad);color:#fff;padding:14px 28px;font-size:15px;box-shadow:0 12px 26px -14px rgba(255,90,60,.85)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0);filter:brightness(.94)}
.btn--ghost{background:#fff;color:var(--ink-900);border:1px solid var(--line);padding:14px 26px;font-size:15px}
.btn--ghost:hover{border-color:var(--brand-500);background:#FFF3EE;transform:translateY(-2px)}
.btn--onDark{background:#fff;color:var(--ink-900);padding:14px 28px;font-size:15px}
.btn--onDark:hover{transform:scale(1.03)}
.btn--outlineLight{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);padding:14px 26px;font-size:15px}
.btn--outlineLight:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--sm{padding:9px 20px;font-size:14px}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;isolation:isolate}
.page-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(36,26,51,.95) 0%,rgba(58,42,77,.86) 48%,rgba(75,46,99,.62) 100%)}
.page-hero__inner{padding:56px 0 64px;color:#fff}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb span.sep{opacity:.5}
.page-hero h1{font-size:clamp(30px,4vw,50px);line-height:1.24;font-weight:700;letter-spacing:-.5px;color:#fff;max-width:820px}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);max-width:680px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.hero-badge{display:flex;flex-direction:column;gap:2px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:16px;padding:14px 22px;min-width:132px;backdrop-filter:blur(2px)}
.hero-badge__num{font-size:26px;font-weight:700;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.hero-badge__label{font-size:12.5px;color:rgba(255,255,255,.72);letter-spacing:.3px}

/* ============ 通用板块 ============ */
.section{padding:96px 0 0}
.section--dark{margin-top:96px;padding:88px 0;background:linear-gradient(135deg,#241A33 0%,#4B2E63 100%);color:rgba(255,255,255,.78)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.5px;color:var(--ink-900)}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--text-2);line-height:1.85}
.section-head--split{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--split > div{max-width:640px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.7)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand-600);margin-bottom:14px}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brand-grad)}
.section--dark .eyebrow{color:#FFB9A6}

/* ============ 分类布局：筛选 + 场景列表 ============ */
.cat-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start}
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 20px;box-shadow:var(--shadow-1)}
@media(min-width:1024px){
  .filter-panel{position:sticky;top:calc(var(--nav-h) + 24px)}
}
.filter-panel__head{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700;color:var(--ink-900);padding-bottom:14px;border-bottom:1px solid var(--line)}
.filter-reset{font-size:12.5px;font-weight:600;color:var(--brand-600)}
.filter-reset:hover{text-decoration:underline;text-underline-offset:3px}
.filter-group{margin-top:20px}
.filter-group__title{font-size:12.5px;font-weight:700;letter-spacing:1px;color:var(--text-2);margin-bottom:10px}
.filter-option{display:flex;align-items:center;gap:9px;padding:7px 8px;margin:0 -8px;border-radius:10px;font-size:14px;color:var(--text);cursor:pointer;transition:background .18s}
.filter-option:hover{background:#FFF6F1}
.filter-option input{width:16px;height:16px;accent-color:var(--brand-500);cursor:pointer;flex:0 0 auto}
.filter-note{margin-top:22px;padding-top:16px;border-top:1px dashed var(--line);font-size:12.5px;line-height:1.7;color:var(--text-2)}
.filter-toggle{display:none;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 20px;font-size:14px;font-weight:600;color:var(--ink-900);box-shadow:var(--shadow-1)}
.filter-toggle i{color:var(--brand-600)}

.scenario-list{display:flex;flex-direction:column;gap:16px}
.scene-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:22px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 28px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(255,90,60,.3);box-shadow:var(--shadow-2)}
.scene-card__index{font-size:30px;font-weight:700;line-height:1;color:rgba(255,90,60,.4);font-variant-numeric:tabular-nums;letter-spacing:-1px}
.scene-card h3{font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:-.3px;line-height:1.45}
.scene-card p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:rgba(255,90,60,.1);color:var(--brand-600);font-size:12.5px;font-weight:600;letter-spacing:.2px}
.scene-card__arrow{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-700);transition:background .2s,color .2s,border-color .2s,transform .2s}
.scene-card:hover .scene-card__arrow{background:var(--brand-grad);border-color:transparent;color:#fff;transform:translateX(3px)}

/* ============ 接入方式 ============ */
.deploy-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.deploy-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.deploy-card:hover{transform:translateY(-4px);border-color:rgba(255,90,60,.3);box-shadow:var(--shadow-2)}
.deploy-card--feature{background:linear-gradient(160deg,#FFF4EE 0%,#FFFFFF 62%)}
.deploy-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(255,90,60,.12);color:var(--brand-600);font-size:19px;margin-bottom:18px}
.deploy-card h3{font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:-.3px}
.deploy-card > p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:9px}
.check-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--text)}
.check-list i{color:var(--mint-400);font-size:12px;margin-top:6px;flex:0 0 auto}
.deploy-card__link{margin-top:22px;font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:7px}
.deploy-card__link:hover{text-decoration:underline;text-underline-offset:4px}
.deploy-card__link i{font-size:12px;transition:transform .2s}
.deploy-card:hover .deploy-card__link i{transform:translateX(4px)}

/* ============ 图文清单 ============ */
.prepare-block{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.prepare-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-1)}
.prepare-media img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius-xl)}
.prepare-media__badge{position:absolute;left:18px;bottom:18px;background:rgba(36,26,51,.78);color:#fff;font-size:12.5px;font-weight:600;padding:8px 16px;border-radius:999px;letter-spacing:.3px}
.prepare-content h2{font-size:clamp(24px,2.6vw,32px);line-height:1.32;font-weight:700;color:var(--ink-900);letter-spacing:-.5px}
.prepare-content > p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--text-2)}
.prepare-list{margin-top:26px;display:grid;gap:14px}
.prepare-list li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px}
.prepare-list span.num{width:26px;height:26px;border-radius:9px;background:rgba(35,213,171,.16);color:#12946F;font-size:13px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.prepare-list strong{display:block;font-size:15px;color:var(--ink-900);font-weight:700}
.prepare-list em{display:block;font-style:normal;font-size:13.5px;line-height:1.75;color:var(--text-2);margin-top:3px}

/* ============ 流程（深色） ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:44px}
.flow-step{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:26px 22px;transition:background .2s,transform .2s}
.flow-step:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.flow-step__num{font-size:13px;font-weight:700;letter-spacing:2px;color:#FFB9A6}
.flow-step h3{margin-top:12px;font-size:17px;font-weight:700;color:#fff;letter-spacing:-.2px;line-height:1.45}
.flow-step p{margin-top:10px;font-size:13.8px;line-height:1.8;color:rgba(255,255,255,.7)}
.flow-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.flow-stat{display:flex;align-items:baseline;gap:9px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:12px 20px;font-size:13px;color:rgba(255,255,255,.72)}
.flow-stat b{font-size:22px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-intro h2{font-size:clamp(24px,2.6vw,32px);line-height:1.32;font-weight:700;color:var(--ink-900);letter-spacing:-.5px}
.faq-intro p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-intro .btn{margin-top:24px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:rgba(255,90,60,.32);box-shadow:var(--shadow-1)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink-900);cursor:pointer;list-style:none;transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:999px;background:rgba(255,90,60,.1);color:var(--brand-600);display:grid;place-items:center;font-size:11px;transition:transform .25s ease,background .2s}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(255,90,60,.18)}
.faq-body{padding:0 24px 22px;font-size:14.5px;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-section{padding:96px 0 0}
.cta-card{background:var(--brand-grad);border-radius:var(--radius-xl);padding:64px 56px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;box-shadow:0 30px 60px -34px rgba(255,90,60,.75)}
.cta-card h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:700;color:#fff;letter-spacing:-.5px}
.cta-card p{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.92);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:var(--ink-900);color:rgba(255,255,255,.7);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand__line1{color:#fff}
.footer-brand .brand__line2{color:rgba(255,255,255,.6)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.6px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.7);transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-contact strong{display:block;font-size:14px;color:#fff;font-weight:700;margin-bottom:8px}
.footer-contact p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-contact a{color:#FFB9A6;font-weight:600}
.footer-contact a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom__links{display:flex;gap:20px}
.footer-bottom__links a:hover{color:#fff}

/* ============ 响应式 ============ */
@media(max-width:1023px){
  :root{--nav-h:116px}
  .container{padding:0 24px}
  .nav-top,.nav-top__inner{height:64px}
  .nav-search{flex:0 0 auto;margin-left:auto;order:2}
  .nav-search .search-form{display:none}
  .nav-search.is-open .search-form{display:flex;position:absolute;top:calc(100% + 12px);right:0;width:min(360px,82vw);max-width:none;background:#fff;box-shadow:var(--shadow-1);z-index:90}
  .search-toggle{display:grid;order:1}
  .nav-actions{order:3;gap:12px}
  .nav-link-quiet{display:none}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .filter-toggle{display:inline-flex}
  .filter-panel{display:none;position:static}
  .filter-panel.is-open{display:block}
  .deploy-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .prepare-block{grid-template-columns:minmax(0,1fr);gap:32px}
  .prepare-media img{height:290px}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:48px 36px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section{padding:72px 0 0}
  .section--dark{margin-top:72px;padding:64px 0}
  .cta-section{padding:72px 0 0}
  .site-footer{margin-top:72px}
}
@media(max-width:767px){
  .scene-card{grid-template-columns:auto minmax(0,1fr);gap:16px;padding:22px 20px}
  .scene-card__arrow{grid-column:2;justify-self:start;margin-top:6px}
  .deploy-grid{grid-template-columns:minmax(0,1fr)}
  .flow-grid{grid-template-columns:minmax(0,1fr)}
  .hero-badges{gap:10px}
  .hero-badge{flex:1 1 130px;padding:12px 16px}
  .hero-badge__num{font-size:22px}
  .cta-card{padding:40px 26px}
  .cta-actions .btn{width:100%}
}
@media(max-width:520px){
  :root{--nav-h:108px}
  .container{padding:0 20px}
  .brand__mark{width:34px;height:34px;border-radius:10px}
  .brand__mark::after{inset:9px}
  .brand__line1{font-size:15px}
  .brand__line2{font-size:10px;letter-spacing:2px}
  .nav-top,.nav-top__inner{height:60px}
  .nav-actions .btn--sm{padding:8px 14px;font-size:13px}
  .page-hero__inner{padding:40px 0 48px}
  .hero-actions .btn{width:100%}
  .section{padding:56px 0 0}
  .section--dark{margin-top:56px;padding:52px 0}
  .cta-section{padding:56px 0 0}
  .site-footer{margin-top:56px;padding:48px 0 20px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .scene-card h3{font-size:17px}
  .faq-item summary{padding:18px;font-size:15px}
  .faq-body{padding:0 18px 18px;font-size:14px}
  .footer-bottom__links{gap:14px}
}