/* roulang page: index */
:root{
  --brand:#6D28D9;--brand-deep:#4C1D95;--brand-soft:#EDE7FD;
  --coral:#FF5C7A;--lime:#D9FF57;
  --ink:#191325;--ink-soft:#5B5470;--ink-faint:#8C86A0;
  --line:#E9E5F5;--page:#F6F4FB;--night:#17111F;
  --grad:linear-gradient(135deg,#7C3AED 0%,#C026D3 55%,#FF5C7A 100%);
  --shadow-soft:0 8px 24px rgba(109,40,217,.08);
  --shadow-lift:0 16px 40px rgba(109,40,217,.16);
  --r-xs:10px;--r-card:16px;--r-lg:24px;--r-xl:28px;--r-pill:999px;
  --sec-y:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--page);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.num,.badge,.stat,.pick-num,.step-idx{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{max-width:1280px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-position .35s ease,filter .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{
  background-image:var(--grad);background-size:200% 200%;background-position:0% 50%;
  color:#fff;box-shadow:0 8px 20px rgba(109,40,217,.24);
}
.btn-primary:hover{background-position:10% 50%;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 32px rgba(109,40,217,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-soft)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 30px;font-size:16px}
.btn-lime:hover{box-shadow:0 0 0 2px var(--lime) inset,0 14px 32px rgba(23,17,31,.32)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;
  background:rgba(255,255,255,.9);color:var(--brand);border:1px solid var(--line);
}
.badge-lime{background:var(--lime);color:#191325;border-color:transparent}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:8px;
  font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);
}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);transition:gap .2s ease,color .2s ease}
.text-link:hover{color:var(--brand-deep);gap:10px}
.grad-text{background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;height:56px;gap:12px}
@media (min-width:1024px){.nav-wrap{grid-template-columns:minmax(0,7fr) minmax(0,5fr);height:60px;gap:24px}}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;background-image:var(--grad);
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.02em;
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:none}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:8px}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:60px;padding:0 12px;
  font-size:14.5px;font-weight:600;color:var(--ink-soft);transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background-image:var(--grad);opacity:0;transform:scaleX(.4);transform-origin:left;
  transition:opacity .2s ease,transform .25s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{opacity:1;transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:10px}
.nav-search{display:none}
@media (min-width:1024px){
  .nav-search{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;width:230px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
    box-shadow:inset 0 1px 2px rgba(109,40,217,.05);transition:border-color .2s ease,box-shadow .2s ease;
  }
  .nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(109,40,217,.12)}
  .nav-search i{font-size:13px;color:var(--ink-faint)}
  .nav-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
  .nav-search input::placeholder{color:var(--ink-faint)}
}
.nav-burger{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--brand);font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.nav-burger:hover{border-color:var(--brand);transform:translateY(-1px)}
@media (min-width:1024px){.nav-burger{display:none}}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(23,17,31,.6);z-index:90;opacity:0;pointer-events:none;transition:opacity .25s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,320px);z-index:95;
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(104%);transition:transform .28s cubic-bezier(.22,.61,.36,1);
  box-shadow:-16px 0 48px rgba(23,17,31,.2);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);color:var(--ink-soft)}
.drawer-close:hover{color:var(--brand);border-color:var(--brand)}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;font-size:15px;font-weight:600;color:var(--ink-soft);
  transition:background .2s ease,color .2s ease;
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-link.is-active{background:var(--brand-soft);color:var(--brand)}
.drawer-link::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;opacity:.45}
.drawer-cta{margin-top:auto;width:100%}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;background:#fff;padding-top:96px;padding-bottom:64px}
@media (min-width:1024px){.hero{padding-bottom:88px}}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;opacity:.16;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,rgba(109,40,217,.10) 0%,rgba(192,38,211,.06) 45%,rgba(255,92,122,.12) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;gap:44px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.02em}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 4px rgba(255,92,122,.16)}
.hero-title{
  margin-top:16px;font-size:clamp(30px,5.2vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.hero-sub{margin-top:16px;font-size:clamp(15px,1.6vw,17px);line-height:1.7;color:var(--ink-soft);max-width:460px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.badge-row .badge{height:26px;padding:0 12px}

.hero-visual{position:relative;min-height:360px;display:flex;align-items:center;justify-content:center}
@media (min-width:768px){.hero-visual{min-height:440px}}
.shot{
  position:absolute;width:42%;max-width:196px;aspect-ratio:9/16;border-radius:24px;overflow:hidden;
  background-image:var(--grad);box-shadow:var(--shadow-lift);
  transition:transform .3s ease;
}
.shot img{width:100%;height:100%;object-fit:cover;object-position:center}
.shot-back{left:2%;transform:rotate(-7deg) scale(.88);z-index:1;filter:saturate(.9)}
.shot-mid{right:2%;transform:rotate(7deg) scale(.92);z-index:2}
.shot-front{left:50%;transform:translateX(-50%);z-index:3}
.shot-front:hover,.shot-mid:hover,.shot-back:hover{transform:translateX(-50%) translateY(-4px)}
.shot-mid:hover{transform:rotate(7deg) scale(.92) translateY(-4px)}
.shot-back:hover{transform:rotate(-7deg) scale(.88) translateY(-4px)}
.chip{
  position:absolute;display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 8px;
  border-radius:8px;font-size:11.5px;font-weight:700;font-variant-numeric:tabular-nums;
  background:rgba(23,17,31,.62);color:#fff;backdrop-filter:blur(6px);
}
.chip-time{top:10px;left:10px}
.chip-play{bottom:10px;right:10px;background:rgba(217,255,87,.94);color:#191325}
.shot-front figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 12px 12px;font-size:12.5px;font-weight:600;color:#fff;
  background:linear-gradient(180deg,rgba(23,17,31,0) 0%,rgba(23,17,31,.82) 100%);
}

/* ============ 区块基础 ============ */
.section{padding:48px 0}
@media (min-width:768px){.section{padding:64px 0}}
@media (min-width:1024px){.section{padding:84px 0}}
.section-white{background:#fff}
.section-dark{background:var(--night);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-sub{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-soft);max-width:600px}

/* ============ 爆款片段流 ============ */
.clip-wrap{position:relative}
.clip-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:22px;width:72px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0) 0%,#fff 85%);
}
.clip-rail{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 20px;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
}
.clip-rail::-webkit-scrollbar{height:6px}
.clip-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.clip-card{flex:0 0 auto;width:clamp(150px,42vw,200px);scroll-snap-align:start}
.clip-thumb{
  position:relative;display:block;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  background-image:var(--grad);box-shadow:var(--shadow-soft);
  transition:transform .25s ease,box-shadow .25s ease;
}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.clip-card:hover .clip-thumb{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.clip-card:hover .clip-thumb img{transform:scale(1.04)}
.clip-title{
  margin-top:12px;font-size:15px;font-weight:600;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.clip-card .tag{margin-top:8px}

/* ============ 种草清单 ============ */
.pick-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.pick-row{
  display:flex;align-items:center;gap:16px;padding:18px 8px;border-bottom:1px solid var(--line);
  transition:background .2s ease,transform .2s ease;
}
.pick-row:hover{background:rgba(109,40,217,.035);transform:translateX(2px)}
.pick-num{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:var(--r-xs);
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:800;
}
.pick-thumb{flex:0 0 auto;width:64px;height:64px;border-radius:14px;object-fit:cover;background-image:var(--grad)}
.pick-body{flex:1 1 auto;min-width:0}
.pick-body h3{font-size:17px;font-weight:600;line-height:1.4}
.pick-body p{margin-top:4px;font-size:14px;color:var(--ink-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pick-row .badge{flex:0 0 auto}
@media (max-width:639px){
  .pick-row{flex-wrap:wrap;gap:12px}
  .pick-body p{white-space:normal}
  .pick-row .badge{margin-left:50px}
}

/* ============ 资讯 / CMS 列表 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#DED6F7}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background-image:var(--grad)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{display:flex;flex-direction:column;flex:1 1 auto;padding:18px 18px 20px}
.news-title{font-size:17px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--brand)}
.news-summary{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px}
.news-time{font-size:12.5px;color:var(--ink-faint);font-variant-numeric:tabular-nums}
.news-more{
  margin-top:16px;display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:600;color:var(--brand);transition:gap .2s ease,color .2s ease;
}
.news-more:hover{gap:10px;color:var(--brand-deep)}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 20px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;text-align:center;
}
.empty-art{
  display:flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:22px;
  background-image:var(--grad);color:#fff;font-size:26px;opacity:.9;
}
.news-empty p{font-size:14.5px;color:var(--ink-soft)}

/* ============ 评论 ============ */
.review-rail{display:flex;gap:16px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x proximity}
.review-rail::-webkit-scrollbar{height:6px}
.review-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.review-card{
  flex:0 0 auto;width:270px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-soft);
  transition:transform .25s ease,box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background-image:var(--grad);color:#fff;font-size:15px;font-weight:700;flex:0 0 auto;
}
.review-name{font-size:14px;font-weight:600}
.stars{margin-top:2px;display:flex;gap:2px;font-size:11.5px;color:#F59E0B}
.review-text{
  margin-top:14px;font-size:14.5px;line-height:1.7;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.review-source{margin-top:14px;font-size:12px;color:var(--ink-faint)}

/* ============ 一键跟买 CTA ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:44px 24px;
  background-image:var(--grad);color:#fff;text-align:center;
  box-shadow:0 24px 60px rgba(109,40,217,.24);
}
@media (min-width:768px){.cta-card{padding:64px 48px}}
.cta-card::before{
  content:"";position:absolute;inset:0;background:rgba(23,17,31,.24);pointer-events:none;
}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.25}
.cta-card > p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.88);max-width:560px;margin-left:auto;margin-right:auto}
.cta-card .btn{margin-top:26px}
.cta-steps{
  margin-top:38px;display:grid;grid-template-columns:1fr;gap:18px;text-align:left;
  max-width:900px;margin-left:auto;margin-right:auto;
}
@media (min-width:768px){.cta-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:0}}
.cta-step{position:relative;display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border-radius:var(--r-card);background:rgba(255,255,255,.12);backdrop-filter:blur(4px)}
@media (min-width:768px){
  .cta-step{background:transparent;backdrop-filter:none;padding:0 22px}
  .cta-step:not(:last-child)::after{
    content:"";position:absolute;right:-6px;top:16px;width:26px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,rgba(217,255,87,.9),rgba(255,255,255,.15));
  }
}
.step-idx{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:10px;background:var(--lime);color:#191325;font-size:14px;font-weight:800;
}
.cta-step h3{font-size:16px;font-weight:600}
.cta-step p{margin-top:4px;font-size:13.5px;line-height:1.65;color:rgba(255,255,255,.82)}

/* ============ FAQ ============ */
.faq-list{max-width:768px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#DED6F7}
.faq-item[open]{box-shadow:var(--shadow-soft)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 20px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--brand);
  transition:transform .2s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-body{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--ink-soft)}

/* ============ 页脚 ============ */
.site-footer{background:var(--night);color:rgba(255,255,255,.72);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-brand .brand-mark{background-image:var(--grad)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 移动端悬浮条 ============ */
.mobile-bar{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:80;display:none;
  align-items:center;justify-content:space-between;gap:12px;padding:10px 12px 10px 18px;
  background:rgba(23,17,31,.95);border-radius:18px;color:#fff;
  box-shadow:0 16px 40px rgba(23,17,31,.34);
  transform:translateY(130%);transition:transform .28s ease;
}
.mobile-bar.is-show{transform:translateY(0)}
@media (max-width:767px){.mobile-bar{display:flex}}
.mobile-bar-text{display:flex;flex-direction:column;min-width:0}
.mobile-bar-text strong{font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mobile-bar-text span{font-size:12px;color:rgba(255,255,255,.6);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 回到顶部 */
.to-top{
  position:fixed;right:16px;bottom:88px;z-index:75;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--brand);box-shadow:var(--shadow-soft);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
@media (min-width:768px){.to-top{right:28px;bottom:32px}}

/* roulang page: article */
:root{
  --brand:#6D28D9;
  --brand-deep:#4C1D95;
  --coral:#FF5C7A;
  --lime:#D9FF57;
  --ink:#191325;
  --ink-2:#5B5470;
  --ink-3:#8C86A0;
  --line:#E9E5F5;
  --bg:#F6F4FB;
  --surface:#FFFFFF;
  --night:#17111F;
  --grad:linear-gradient(135deg,#7C3AED 0%,#C026D3 55%,#FF5C7A 100%);
  --grad-soft:linear-gradient(135deg,rgba(124,58,237,.12) 0%,rgba(192,38,211,.10) 55%,rgba(255,92,122,.12) 100%);
  --shadow-1:0 8px 24px rgba(109,40,217,.08);
  --shadow-2:0 16px 40px rgba(109,40,217,.16);
  --r-pill:999px;
  --r-sm:10px;
  --r-card:16px;
  --r-big:24px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
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;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* 布局容器 */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 16px;
}
@media (min-width:768px){ .container{padding:0 24px;} }
@media (min-width:1024px){ .container{padding:0 32px;} }
@media (min-width:1280px){ .container{max-width:1280px;} }

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:16px;
  height:60px;
}
@media (min-width:1024px){
  .header-inner{grid-template-columns:7fr 5fr;height:60px;}
}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  display:grid;place-items:center;
  width:34px;height:34px;flex:0 0 34px;
  border-radius:11px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:14px;
  letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(109,40,217,.28);
}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:.2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.nav-links{display:none;align-items:center;gap:4px;margin-left:22px;}
@media (min-width:1024px){ .nav-links{display:flex;} }
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;
  border-radius:3px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(109,40,217,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-side{display:flex;align-items:center;gap:10px;justify-content:flex-end;}
.search-box{display:none;}
@media (min-width:1280px){ .search-box{display:block;} }
.search-box input{
  width:210px;height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  box-shadow:inset 0 1px 0 rgba(25,19,37,.02);
  transition:border-color .2s ease,box-shadow .2s ease,width .2s ease;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{
  outline:none;width:240px;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(109,40,217,.14);
}
.nav-toggle{
  display:grid;place-items:center;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
}
@media (min-width:1024px){ .nav-toggle{display:none;} }
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background-position .25s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;background:var(--grad);background-size:120% 120%;background-position:0% 50%;
  box-shadow:0 8px 24px rgba(109,40,217,.20);
}
.btn-primary:hover{background-position:8% 50%;transform:translateY(-1px);box-shadow:0 16px 40px rgba(109,40,217,.28);filter:brightness(1.06);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:#fff;color:var(--brand);border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-line{
  background:transparent;color:var(--brand);border-color:rgba(109,40,217,.35);
}
.btn-line:hover{border-color:var(--brand);background:rgba(109,40,217,.06);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,17,31,.6);
  opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,320px);
  background:#fff;z-index:80;
  transform:translateX(102%);
  transition:transform .28s ease;
  padding:22px 20px;
  display:flex;flex-direction:column;gap:18px;
  box-shadow:-12px 0 40px rgba(23,17,31,.18);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;font-size:18px;color:var(--ink-2);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--ink-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(109,40,217,.06);color:var(--brand);}
.drawer-nav a.is-active{background:var(--grad-soft);color:var(--brand);border-color:rgba(109,40,217,.18);font-weight:600;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);
  padding:0 18px;font-size:14px;background:#fff;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(109,40,217,.14);}

/* 阅读进度 */
.read-progress{
  position:fixed;top:59px;left:0;height:3px;width:0%;
  background:var(--grad);z-index:59;transition:width .1s linear;
}

/* 面包屑 */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
  padding:14px 0;
}
.crumb a{color:var(--ink-2);transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#CFC8E2;}
.crumb .current{color:var(--ink-3);max-width:min(58vw,520px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* 文章主区 */
.page-main{padding:36px 0 72px;}
@media (min-width:768px){ .page-main{padding:48px 0 84px;} }
.layout{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1280px){
  .layout{grid-template-columns:minmax(0,1fr) 306px;gap:48px;align-items:start;}
}
.article-shell{min-width:0;}

.article-head{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-big);
  padding:24px 20px 20px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){ .article-head{padding:34px 34px 26px;} }
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--grad-soft);
  border:1px solid rgba(109,40,217,.16);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.eyebrow i{display:block;width:6px;height:6px;border-radius:50%;background:var(--grad);}
.article-title{
  font-size:clamp(24px,3.6vw,38px);
  font-weight:800;line-height:1.28;letter-spacing:-.2px;
  color:var(--ink);
}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-2);
}
.meta-dot{color:#CFC8E2;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.2px;
  font-variant-numeric:tabular-nums;
}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-brand{background:rgba(109,40,217,.10);color:var(--brand);}
.badge-soft{background:rgba(255,255,255,.9);color:var(--brand);border:1px solid rgba(109,40,217,.16);}
.badge-dark{background:rgba(23,17,31,.06);color:var(--ink-2);}

/* 正文排版 */
.article-body-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-big);
  margin-top:20px;padding:24px 20px 32px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){ .article-body-wrap{padding:38px 40px 46px;} }
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:#241C33;}
.article-body > * + *{margin-top:18px;}
.article-body p{font-size:16px;line-height:1.85;color:#2C2440;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.4vw,24px);
  font-weight:700;line-height:1.4;color:var(--ink);
  margin-top:38px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:18px;font-weight:600;color:var(--ink);margin-top:26px;}
.article-body h4{font-size:16px;font-weight:600;color:var(--brand);margin-top:22px;}
.article-body a{
  color:var(--brand);font-weight:600;
  background-image:linear-gradient(var(--brand),var(--brand));
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  transition:background-size .25s ease;
}
.article-body a:hover{background-size:100% 1px;}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;
  background:#F5F1FE;
  border-left:4px solid;
  border-image:var(--grad) 1;
  border-radius:0 14px 14px 0;
  color:#3E3457;font-size:15px;
}
.article-body blockquote p{margin:0;font-size:15px;}
.article-body ul,.article-body ol{margin:18px 0;display:flex;flex-direction:column;gap:10px;}
.article-body ul li{position:relative;padding-left:22px;font-size:15.5px;color:#332A48;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.article-body ol{counter-reset:item;}
.article-body ol li{position:relative;padding-left:34px;counter-increment:item;font-size:15.5px;color:#332A48;}
.article-body ol li::before{
  content:counter(item,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  font-size:12px;font-weight:800;color:var(--brand);
  background:rgba(109,40,217,.10);
  border-radius:8px;padding:2px 6px;
  font-variant-numeric:tabular-nums;
}
.article-body img{
  width:100%;height:auto;border-radius:16px;box-shadow:var(--shadow-1);
  margin:22px 0 8px;
}
.article-body figure{margin:22px 0;}
.article-body figcaption{
  font-size:13px;color:var(--ink-3);text-align:center;line-height:1.7;
}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:30px 0;}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:22px 0;border-radius:12px;overflow:hidden;}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left;}
.article-body th{background:#F5F1FE;color:var(--brand-deep);font-weight:600;}
.article-body code{
  background:#F5F1FE;color:var(--brand-deep);border-radius:6px;
  padding:2px 6px;font-size:14px;
}

/* 空态 */
.empty-state{
  border:1px dashed #D9D2EC;background:linear-gradient(160deg,#FBFAFF,#F2EEFC);
  border-radius:var(--r-card);
  padding:40px 20px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;border-radius:18px;background:var(--grad);
  margin:0 auto 16px;display:grid;place-items:center;color:#fff;font-size:20px;font-weight:800;
  box-shadow:var(--shadow-1);
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:16px;}

/* 文末 */
.article-foot{
  margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-big);
  padding:22px 20px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){ .article-foot{padding:26px 32px;} }
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;color:var(--ink-2);
  background:#F6F4FB;border:1px solid var(--line);
  transition:all .2s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(109,40,217,.35);background:rgba(109,40,217,.06);}
.foot-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:20px;padding-top:20px;border-top:1px solid var(--line);
}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.share-btn{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--ink-2);
  transition:all .2s ease;
}
.share-btn:hover{color:#fff;background:var(--grad);border-color:transparent;transform:translateY(-2px);}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.back-link span{transition:transform .2s ease;display:inline-block;}
.back-link:hover span{transform:translateX(-4px);}

/* 相关推荐 */
.section{margin-top:56px;}
@media (min-width:1024px){ .section{margin-top:72px;} }
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px;
  margin-bottom:24px;
}
.section-title{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.3;}
.section-sub{margin-top:8px;font-size:14px;color:var(--ink-2);}
.text-link{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){ .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;} }
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rel-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-soft);
}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-cover img{transform:scale(1.04);}
.rel-body{padding:18px 18px 20px;}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:12px;color:var(--ink-3);}

/* 侧栏 */
.side{display:none;}
@media (min-width:1280px){ .side{display:block;position:sticky;top:84px;} }
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:4px;background:var(--grad);}
.toc{display:flex;flex-direction:column;gap:4px;}
.toc a{
  display:block;font-size:13.5px;color:var(--ink-2);
  padding:7px 10px;border-radius:8px;border-left:2px solid transparent;
  transition:all .2s ease;
}
.toc a:hover{color:var(--brand);background:rgba(109,40,217,.06);border-left-color:var(--brand);}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-item{display:flex;gap:12px;align-items:flex-start;}
.side-thumb{
  width:64px;height:64px;flex:0 0 64px;border-radius:12px;overflow:hidden;background:var(--grad-soft);
}
.side-thumb img{width:100%;height:100%;object-fit:cover;}
.side-item h4{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-item span{display:block;margin-top:6px;font-size:12px;color:var(--ink-3);}
.side-item:hover h4{color:var(--brand);}

/* CTA */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-big);
  background:var(--grad);
  color:#fff;
  padding:34px 22px;
  box-shadow:0 20px 48px rgba(109,40,217,.22);
}
@media (min-width:768px){ .cta-card{padding:46px 48px;} }
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.16;mix-blend-mode:overlay;
}
.cta-inner{position:relative;z-index:1;max-width:660px;}
.cta-card h2{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.3;}
.cta-card p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.btn-white{background:#fff;color:var(--brand);}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(23,17,31,.22);}
.btn-outline-white{border:1px solid rgba(255,255,255,.6);color:#fff;}
.btn-outline-white:hover{background:rgba(255,255,255,.14);border-color:#fff;}

/* 页脚 */
.site-footer{background:var(--night);color:#CFC8E2;margin-top:64px;padding:52px 0 26px;}
@media (min-width:1024px){ .site-footer{margin-top:88px;padding:64px 0 30px;} }
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;} }
.footer-brand .brand-text{color:#fff;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:#9E96B8;max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#B9B1CE;transition:color .2s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:#8B83A6;
}

/* 回到顶部 */
.to-top{
  position:fixed;right:16px;bottom:20px;z-index:55;
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  color:var(--brand);font-size:16px;font-weight:700;
  display:grid;place-items:center;
  box-shadow:var(--shadow-2);
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--grad);color:#fff;border-color:transparent;}
@media (min-width:1024px){ .to-top{right:32px;bottom:32px;} }

/* roulang page: category1 */
:root{
  --brand-1:#7C3AED;
  --brand-2:#C026D3;
  --brand-3:#FF5C7A;
  --purple:#6D28D9;
  --purple-deep:#4C1D95;
  --coral:#FF5C7A;
  --lime:#D9FF57;
  --ink:#191325;
  --ink-2:#5B5470;
  --ink-3:#8C86A0;
  --line:#E9E5F5;
  --bg:#F6F4FB;
  --bg-alt:#FFFFFF;
  --dark:#17111F;
  --grad:linear-gradient(135deg,#7C3AED 0%,#C026D3 55%,#FF5C7A 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:28px;
  --sh-1:0 8px 24px rgba(109,40,217,.08);
  --sh-2:0 16px 40px rgba(109,40,217,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--purple);text-decoration:none}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4,p,figure,blockquote,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--purple);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px}}
@media(min-width:1280px){.container{max-width:1280px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:56px;
}
@media(min-width:1024px){.nav-inner{height:60px;gap:32px}}
.nav-left{display:flex;align-items:center;gap:22px;min-width:0}
@media(min-width:1024px){.nav-left{gap:36px;flex:0 0 58%}}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  color:#fff;font-weight:700;font-size:13px;letter-spacing:.5px;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(109,40,217,.28);
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap}
@media(min-width:1024px){.brand-text{font-size:17px}}
.nav-links{display:none}
@media(min-width:1024px){.nav-links{display:flex;align-items:center;gap:26px}}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  text-decoration:none;
  transition:color .22s ease;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-6px;height:3px;border-radius:999px;
  background:var(--grad);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--purple)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--purple);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-side{display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:none}
@media(min-width:1024px){.nav-search{display:block}}
.nav-search input{
  width:190px;height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  background-color:#fff;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238C86A0' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:15px center;
  padding-left:40px;padding-right:16px;
  font-size:14px;color:var(--ink);
  box-shadow:inset 0 1px 2px rgba(25,19,37,.04);
  transition:border-color .22s ease,box-shadow .22s ease,width .25s ease;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{
  outline:none;
  border-color:var(--purple);
  box-shadow:0 0 0 3px rgba(109,40,217,.16);
  width:220px;
}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  padding:0 10px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.nav-toggle:hover{border-color:var(--purple);box-shadow:var(--sh-1)}
@media(min-width:1024px){.nav-toggle{display:none}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,filter .25s ease,background-position .3s ease,background-color .2s ease;
}
.btn-primary{
  background-image:var(--grad);
  background-size:150% 100%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 8px 24px rgba(109,40,217,.20);
}
.btn-primary:hover{
  color:#fff;
  background-position:8% 0;
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:scale(.98)}
.btn-light{background:#fff;color:var(--purple);box-shadow:0 8px 24px rgba(23,17,31,.18)}
.btn-light:hover{color:var(--brand-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--purple);color:var(--purple)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
@media(min-width:1024px){.btn-sm{height:40px;padding:0 20px}}

.nav-drawer{
  position:fixed;top:0;right:0;height:100%;
  width:290px;max-width:86vw;
  background:#fff;z-index:80;
  padding:22px 20px;
  display:flex;flex-direction:column;gap:4px;
  transform:translateX(100%);
  transition:transform .3s ease;
  box-shadow:-14px 0 44px rgba(25,19,37,.18);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:18px;line-height:1;cursor:pointer;
}
.drawer-close:hover{border-color:var(--purple);color:var(--purple)}
.drawer-link{
  display:block;padding:14px 2px;font-size:16px;color:var(--ink);
  border-bottom:1px solid var(--line);text-decoration:none;
}
.drawer-link.is-active{color:var(--purple);font-weight:600}
.drawer-link:hover{color:var(--purple)}
.drawer-cta{margin-top:20px}
.nav-mask{
  position:fixed;inset:0;background:rgba(23,17,31,.6);
  opacity:0;visibility:hidden;z-index:70;
  transition:opacity .3s ease,visibility .3s ease;
}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- 窄 Hero ---------- */
.page-hero{
  position:relative;
  background:linear-gradient(180deg,#FFFFFF 0%,#F6F4FB 100%);
  border-bottom:1px solid var(--line);
  padding:24px 0 24px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;top:-120px;right:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,92,122,.20) 0%,rgba(124,58,237,.14) 45%,transparent 70%);
  pointer-events:none;
}
.page-hero-inner{position:relative;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:12px}
.breadcrumb a{color:var(--ink-2);text-decoration:none}
.breadcrumb a:hover{color:var(--purple);text-decoration:underline}
.breadcrumb .sep{color:#C9C3D8}
.breadcrumb .current{color:var(--ink-3)}
.page-hero-title{
  font-size:clamp(24px,3.6vw,34px);
  line-height:1.2;font-weight:800;letter-spacing:-.4px;
}
.page-hero-title .brand-chunk{color:var(--purple)}
.page-hero-title .sep-dot{color:var(--coral);padding:0 6px}
.page-hero-sub{margin-top:10px;font-size:15px;color:var(--ink-2)}
.page-hero-side{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;
  font-variant-numeric:tabular-nums;
  background:#fff;color:var(--purple);border:1px solid var(--line);
  white-space:nowrap;
}
.badge-lime{background:var(--lime);color:var(--ink);border-color:transparent}
.badge-soft{background:rgba(109,40,217,.08);border-color:rgba(109,40,217,.16)}

/* ---------- 区块 ---------- */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:80px 0}}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--dark);color:#EDE9F6}
.section-head{margin-bottom:22px}
@media(min-width:768px){.section-head{margin-bottom:28px}}
.section-title{
  font-size:clamp(22px,3vw,32px);
  font-weight:700;line-height:1.25;letter-spacing:-.3px;
}
.section-title .hl{color:var(--purple)}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:720px}
.accent-bar{display:block;width:48px;height:4px;border-radius:999px;background:var(--grad);margin-bottom:14px}

/* ---------- 左图右文 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px}}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
}
.split-media::after{
  content:"";
  position:absolute;inset:auto -10px -14px 22px;
  height:60%;border-radius:var(--r-xl);
  background:var(--grad);opacity:.14;z-index:-1;
}
.split-body p{font-size:15.5px;color:var(--ink-2);margin-top:14px}
.dot-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.dot-list li{position:relative;padding-left:24px;font-size:15px;color:var(--ink)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:10px;height:10px;border-radius:3px;
  background:var(--grad);
}
.dot-list li b{color:var(--purple)}

/* ---------- 手风琴 ---------- */
.faq-wrap{max-width:768px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{border-color:rgba(109,40,217,.34);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;border:0;background:transparent;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;
}
.faq-q:hover{color:var(--purple)}
.faq-ico{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  transition:transform .2s ease;
}
.faq-ico::before{
  content:"";position:absolute;top:9px;left:3px;right:3px;height:2px;border-radius:2px;
  background:var(--purple);
}
.faq-ico::after{
  content:"";position:absolute;left:9px;top:3px;bottom:3px;width:2px;border-radius:2px;
  background:var(--purple);
  transition:opacity .2s ease,transform .2s ease;
}
.faq-item.is-open .faq-ico{transform:rotate(180deg)}
.faq-item.is-open .faq-ico::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-item.is-open .faq-a{max-height:340px}

/* ---------- 清单条块 ---------- */
.rank-list{margin-top:8px;border-top:1px solid var(--line)}
.rank-row{
  display:grid;
  grid-template-columns:52px 64px minmax(0,1fr) auto;
  gap:18px;align-items:center;
  padding:16px 8px;
  border-bottom:1px solid var(--line);
  transition:background-color .22s ease;
}
.rank-row:hover{background:rgba(109,40,217,.045)}
.rank-num{
  font-size:15px;font-weight:700;color:var(--purple);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.rank-thumb img{
  width:64px;height:64px;border-radius:var(--r-sm);object-fit:cover;
  box-shadow:0 4px 12px rgba(109,40,217,.14);
}
.rank-main h3{font-size:17px;font-weight:600;line-height:1.4}
.rank-main p{margin-top:4px;font-size:14px;color:var(--ink-2)}
@media(max-width:767px){
  .rank-row{grid-template-columns:44px minmax(0,1fr);row-gap:8px;gap:12px}
  .rank-thumb{display:none}
  .rank-row .badge{grid-column:2;justify-self:start}
  .rank-main h3{font-size:16px}
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  padding:40px 24px;
  color:#fff;
  background-color:#5B21B6;
  background-image:
    linear-gradient(135deg,rgba(124,58,237,.94) 0%,rgba(192,38,211,.88) 55%,rgba(255,92,122,.90) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover,cover;
  background-position:center,center;
  box-shadow:0 18px 48px rgba(109,40,217,.28);
}
@media(min-width:768px){.cta-card{padding:56px 48px}}
.cta-card h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.25}
.cta-card p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.88);max-width:620px}
.cta-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.steps{
  position:relative;
  display:grid;grid-template-columns:1fr;
  gap:20px;margin-top:36px;
}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{position:relative;padding-top:22px}
.step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:999px;
  background:linear-gradient(90deg,var(--lime) 0%,rgba(217,255,87,.22) 70%,rgba(217,255,87,0) 100%);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:9px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;
}
.step h3{margin-top:10px;font-size:16px;font-weight:600;color:#fff}
.step p{margin-top:6px;font-size:14px;color:rgba(255,255,255,.82)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C9C3D8;padding:52px 0 22px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#9C95B0;max-width:340px}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C9C3D8;text-decoration:none;transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:36px;padding-top:18px;
  font-size:13px;color:#8C86A0;
}

/* roulang page: category2 */
:root{
    --primary:#6D28D9;
    --primary-deep:#4C1D95;
    --brand-2:#C026D3;
    --accent:#FF5C7A;
    --lime:#D9FF57;
    --text:#191325;
    --text-2:#5B5470;
    --text-3:#8C86A0;
    --line:#E9E5F5;
    --bg:#F6F4FB;
    --surface:#FFFFFF;
    --dark:#17111F;
    --grad:linear-gradient(135deg,#7C3AED 0%,#C026D3 55%,#FF5C7A 100%);
    --radius-s:10px;
    --radius:16px;
    --radius-l:24px;
    --radius-xl:28px;
    --shadow:0 8px 24px rgba(109,40,217,.08);
    --shadow-hover:0 16px 40px rgba(109,40,217,.16);
    --container:1200px;
  }

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

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 16px;
  }
  @media (min-width:640px){ .container{padding:0 24px;} }
  @media (min-width:1024px){ .container{padding:0 32px;} }
  @media (min-width:1280px){ .container{max-width:1280px;} }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(246,244,251,.88);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{ box-shadow:0 8px 24px rgba(109,40,217,.08); }
  .header-inner{
    display:grid;
    grid-template-columns:7fr 5fr;
    align-items:center;
    gap:20px;
    height:60px;
  }
  .header-left{display:flex;align-items:center;gap:30px;min-width:0;}
  .header-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-width:0;}

  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;
    background:var(--grad);
    color:#fff;
    font-size:13px;font-weight:800;letter-spacing:.5px;
    box-shadow:0 6px 16px rgba(109,40,217,.28);
  }
  .brand-text{font-size:16px;font-weight:700;white-space:nowrap;letter-spacing:.2px;}

  .nav-links{display:flex;align-items:center;gap:6px;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 12px;
    font-size:15px;
    color:var(--text-2);
    border-radius:10px;
    white-space:nowrap;
  }
  .nav-link::after{
    content:'';
    position:absolute;
    left:12px;right:12px;bottom:2px;
    height:3px;
    border-radius:3px;
    background:var(--grad);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--primary);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--primary);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);}

  .search-box{
    position:relative;
    display:flex;
    align-items:center;
    gap:8px;
    width:200px;
    height:40px;
    padding:0 16px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:999px;
    box-shadow:inset 0 1px 2px rgba(109,40,217,.05);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box i{font-size:13px;color:var(--text-3);}
  .search-box input{
    width:100%;
    border:0;
    outline:none;
    background:transparent;
    font-size:14px;
    color:var(--text);
  }
  .search-box input::placeholder{color:var(--text-3);}
  .search-box:focus-within{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(109,40,217,.14);
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:40px;
    padding:0 20px;
    border:1px solid transparent;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    white-space:nowrap;
    transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,filter .2s ease,border-color .2s ease,color .2s ease;
  }
  .btn-primary{
    background-image:var(--grad);
    background-size:120% 120%;
    background-position:0% 50%;
    color:#fff;
    box-shadow:0 8px 20px rgba(109,40,217,.24);
  }
  .btn-primary:hover{
    background-position:8% 50%;
    filter:brightness(1.06);
    transform:translateY(-1px);
    box-shadow:0 14px 32px rgba(109,40,217,.3);
  }
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    background:transparent;
    border-color:var(--line);
    color:var(--primary);
  }
  .btn-ghost:hover{border-color:var(--primary);background:rgba(109,40,217,.05);transform:translateY(-1px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-light{
    background:#fff;
    color:var(--primary);
    border-color:transparent;
    box-shadow:0 8px 20px rgba(23,17,31,.16);
  }
  .btn-light:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(23,17,31,.22);}
  .btn-sm{height:36px;padding:0 16px;font-size:14px;}
  .btn-lg{height:48px;padding:0 28px;font-size:16px;}
  .btn:focus-visible,.nav-link:focus-visible,.text-link:focus-visible,summary:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:2px;
    border-radius:999px;
  }

  .nav-toggle{
    display:none;
    width:40px;height:40px;
    align-items:center;justify-content:center;
    flex-direction:column;
    gap:4px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    cursor:pointer;
  }
  .nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease;}

  .nav-mask{
    position:fixed;inset:0;
    background:rgba(23,17,31,.6);
    opacity:0;visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;
    z-index:70;
  }
  .nav-mask.is-open{opacity:1;visibility:visible;}
  .nav-drawer{
    position:fixed;
    top:0;right:0;
    width:min(320px,84vw);
    height:100%;
    padding:24px 20px;
    background:#fff;
    box-shadow:-16px 0 40px rgba(23,17,31,.18);
    transform:translateX(100%);
    transition:transform .28s ease;
    z-index:80;
    overflow-y:auto;
  }
  .nav-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
  .drawer-close{
    width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;
    display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  }
  .drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
  .drawer-links a{
    padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
    border:1px solid transparent;
  }
  .drawer-links a.is-active{
    color:var(--primary);font-weight:600;
    background:rgba(109,40,217,.07);
    border-color:rgba(109,40,217,.16);
  }
  .drawer-search{display:flex;height:44px;padding:0 16px;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;margin-bottom:16px;}
  .drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:14px;}
  .drawer-cta{width:100%;height:44px;}

  @media (max-width:1023px){
    .header-inner{grid-template-columns:1fr auto;height:56px;}
    .nav-links{display:none;}
    .search-box{display:none;}
    .nav-toggle{display:inline-flex;}
    .header-cta{display:none;}
  }

  /* ---------- 通用板块节奏 ---------- */
  .section{padding:52px 0;}
  @media (min-width:768px){ .section{padding:72px 0;} }
  @media (min-width:1024px){ .section{padding:84px 0;} }
  .section-head{margin-bottom:24px;}
  @media (min-width:768px){ .section-head{margin-bottom:32px;} }
  .section-title{
    font-size:clamp(22px,3vw,32px);
    line-height:1.25;
    font-weight:700;
    letter-spacing:-.2px;
  }
  .section-sub{
    margin-top:10px;
    color:var(--text-2);
    font-size:15px;
    max-width:680px;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:700;letter-spacing:.14em;
    color:var(--primary);
    text-transform:uppercase;
    margin-bottom:12px;
  }
  .eyebrow::before{
    content:'';width:22px;height:3px;border-radius:3px;background:var(--grad);
  }

  .badge{
    display:inline-flex;align-items:center;
    height:24px;padding:0 10px;
    border-radius:999px;
    font-size:12px;font-weight:700;
    font-variant-numeric:tabular-nums;
    white-space:nowrap;
  }
  .badge-accent{background:var(--lime);color:#241C33;}
  .badge-soft{background:rgba(255,255,255,.9);color:var(--primary);}
  .badge-line{background:#fff;border:1px solid var(--line);color:var(--text-2);font-weight:600;}
  .tag{
    display:inline-flex;align-items:center;
    height:24px;padding:0 10px;
    border-radius:8px;
    font-size:12px;font-weight:600;
    background:rgba(109,40,217,.08);
    color:var(--primary);
  }

  /* ---------- 页面 Hero ---------- */
  .page-hero{
    padding:36px 0 28px;
    background:
      radial-gradient(780px 320px at 88% -10%,rgba(255,92,122,.16),transparent 62%),
      radial-gradient(620px 300px at 4% 0%,rgba(124,58,237,.14),transparent 60%),
      var(--bg);
  }
  @media (min-width:768px){ .page-hero{padding:48px 0 34px;} }
  .page-hero-inner{max-width:260px auto;max-width:none;}
  .page-hero-box{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    max-height:260px;
  }
  .breadcrumb{
    display:flex;align-items:center;gap:8px;
    font-size:13px;color:var(--text-3);
    margin-bottom:14px;
  }
  .breadcrumb a{color:var(--text-3);}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .current{color:var(--text-2);}
  .page-title{
    font-size:clamp(26px,4vw,40px);
    line-height:1.2;
    font-weight:800;
    letter-spacing:-.6px;
  }
  .page-title .brand-part{
    background:var(--grad);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .page-title .divider{color:var(--line);font-weight:400;padding:0 6px;}
  .page-hero-sub{
    margin-top:14px;
    color:var(--text-2);
    font-size:16px;
  }
  .page-hero-badges{display:flex;flex-wrap:wrap;gap:10px;}

  /* ---------- 通栏大卡 ---------- */
  .banner-card{
    position:relative;
    border-radius:var(--radius-xl);
    overflow:hidden;
    min-height:340px;
    display:flex;
    align-items:flex-end;
    box-shadow:var(--shadow);
  }
  @media (min-width:768px){ .banner-card{min-height:420px;} }
  .banner-media{
    position:absolute;inset:0;
    background-size:cover;
    background-position:center;
    transform:scale(1.02);
  }
  .banner-overlay{
    position:absolute;inset:0;
    background:
      linear-gradient(180deg,rgba(23,17,31,.18) 0%,rgba(23,17,31,.62) 52%,rgba(23,17,31,.9) 100%),
      linear-gradient(135deg,rgba(124,58,237,.55) 0%,rgba(192,38,211,.32) 48%,rgba(255,92,122,.36) 100%);
  }
  .banner-body{
    position:relative;
    z-index:2;
    padding:28px 24px 30px;
    color:#fff;
    max-width:760px;
  }
  @media (min-width:768px){ .banner-body{padding:44px 44px 46px;} }
  .banner-body h2{
    font-size:clamp(23px,3.2vw,36px);
    line-height:1.24;
    font-weight:800;
    letter-spacing:-.4px;
    margin:14px 0 12px;
  }
  .banner-body p{
    color:rgba(255,255,255,.86);
    font-size:15px;
    line-height:1.85;
    max-width:620px;
  }
  .banner-stats{
    display:flex;flex-wrap:wrap;gap:10px;
    margin:22px 0 24px;
  }
  .banner-stats .badge-accent{background:var(--lime);}
  .banner-stats .badge-soft{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);}

  /* ---------- 双列图文卡 ---------- */
  .guide-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:768px){ .guide-grid{grid-template-columns:repeat(2,1fr);gap:24px;} }
  .guide-card{
    display:flex;
    flex-direction:column;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-l);
    overflow:hidden;
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .guide-media{
    aspect-ratio:16/9;
    overflow:hidden;
    background:var(--grad);
  }
  .guide-media img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .25s ease;
  }
  .guide-card:hover .guide-media img{transform:scale(1.04);}
  .guide-body{padding:20px;}
  @media (min-width:768px){ .guide-body{padding:24px;} }
  .guide-body h3{
    font-size:18px;
    font-weight:600;
    line-height:1.4;
    margin-bottom:10px;
  }
  .guide-body p{
    color:var(--text-2);
    font-size:15px;
    line-height:1.8;
    margin-bottom:16px;
  }
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--primary);
    font-size:14px;font-weight:600;
    border-radius:6px;
  }
  .text-link::after{
    content:'\2192';
    transition:transform .2s ease;
  }
  .text-link:hover::after{transform:translateX(4px);}

  /* ---------- 时间轴 ---------- */
  .timeline{
    position:relative;
    padding-left:28px;
    max-width:840px;
  }
  .timeline::before{
    content:'';
    position:absolute;
    left:9px;top:10px;bottom:14px;
    width:2px;
    border-radius:2px;
    background:var(--grad);
    opacity:.55;
  }
  .timeline-item{position:relative;padding:0 0 28px 18px;}
  .timeline-item:last-child{padding-bottom:0;}
  .timeline-dot{
    position:absolute;
    left:-25px;top:6px;
    width:14px;height:14px;
    border-radius:50%;
    background:#fff;
    border:3px solid var(--primary);
    box-shadow:0 0 0 4px rgba(109,40,217,.12);
  }
  .timeline-body{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:18px 20px;
    box-shadow:var(--shadow);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .timeline-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
  .timeline-body h3{
    font-size:17px;font-weight:600;
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    margin-bottom:8px;
  }
  .timeline-body p{color:var(--text-2);font-size:15px;line-height:1.8;}
  .step-index{
    display:inline-flex;align-items:center;justify-content:center;
    width:26px;height:26px;border-radius:8px;
    background:var(--grad);
    color:#fff;font-size:12px;font-weight:800;
    font-variant-numeric:tabular-nums;
  }

  /* ---------- 数据带 ---------- */
  .data-band{
    position:relative;
    overflow:hidden;
    background:var(--dark);
    border-radius:var(--radius-xl);
    padding:36px 24px;
    color:#fff;
  }
  @media (min-width:768px){ .data-band{padding:46px 44px;} }
  .data-band::after{
    content:'';
    position:absolute;
    right:-80px;top:-120px;
    width:340px;height:340px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,92,122,.35),transparent 66%);
  }
  .data-grid{
    position:relative;z-index:2;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px 20px;
  }
  @media (min-width:768px){ .data-grid{grid-template-columns:repeat(4,1fr);gap:28px;} }
  .data-item .data-value{
    font-size:clamp(24px,3.4vw,34px);
    font-weight:800;
    line-height:1.1;
    background:linear-gradient(135deg,#FFFFFF 0%,#D9FF57 100%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
    font-variant-numeric:tabular-nums;
  }
  .data-item .data-label{
    margin-top:8px;
    font-size:13px;
    color:rgba(255,255,255,.66);
    line-height:1.6;
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:768px;}
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    margin-bottom:12px;
    overflow:hidden;
    transition:box-shadow .25s ease,border-color .25s ease;
  }
  .faq-item:hover{border-color:rgba(109,40,217,.28);}
  .faq-item[open]{box-shadow:var(--shadow);}
  .faq-q{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:56px;
    padding:14px 20px;
    font-size:16px;
    font-weight:600;
    cursor:pointer;
    list-style:none;
  }
  .faq-q::-webkit-details-marker{display:none;}
  .faq-icon{
    flex-shrink:0;
    width:26px;height:26px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:50%;
    background:rgba(109,40,217,.08);
    color:var(--primary);
    font-size:12px;
    transition:transform .2s ease;
  }
  details[open] .faq-icon{transform:rotate(180deg);}
  .faq-a{
    padding:0 20px 18px;
    color:var(--text-2);
    font-size:15px;
    line-height:1.8;
  }

  /* ---------- CTA ---------- */
  .cta-card{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius-xl);
    background:var(--grad);
    padding:40px 24px;
    color:#fff;
    text-align:center;
    box-shadow:0 18px 46px rgba(109,40,217,.26);
  }
  @media (min-width:768px){ .cta-card{padding:56px 48px;} }
  .cta-card::before{
    content:'';
    position:absolute;
    left:-60px;bottom:-120px;
    width:320px;height:320px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(217,255,87,.32),transparent 66%);
  }
  .cta-card h2{
    position:relative;
    font-size:clamp(23px,3.2vw,34px);
    font-weight:800;
    line-height:1.25;
  }
  .cta-card p{
    position:relative;
    margin:14px auto 0;
    max-width:620px;
    color:rgba(255,255,255,.9);
    font-size:15px;
    line-height:1.85;
  }
  .cta-actions{
    position:relative;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
    margin:26px 0 30px;
  }
  .cta-steps{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:14px;
    max-width:860px;
    margin:0 auto;
    text-align:left;
  }
  @media (min-width:768px){ .cta-steps{grid-template-columns:repeat(3,1fr);gap:0;} }
  .cta-step{
    position:relative;
    padding:14px 18px;
    background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.26);
    border-radius:var(--radius);
    font-size:14px;
  }
  .cta-step strong{display:block;font-size:15px;margin-bottom:4px;}
  .cta-step span{color:rgba(255,255,255,.82);font-size:13px;line-height:1.7;}
  @media (min-width:768px){
    .cta-step{border-radius:0;border-left:0;}
    .cta-step:first-child{border-radius:var(--radius) 0 0 var(--radius);border-left:1px solid rgba(255,255,255,.26);}
    .cta-step:last-child{border-radius:0 var(--radius) var(--radius) 0;}
    .cta-step + .cta-step::before{
      content:'';
      position:absolute;left:-1px;top:50%;
      width:22px;height:2px;
      transform:translate(-50%,-50%);
      background:linear-gradient(90deg,rgba(217,255,87,.9),rgba(255,255,255,.35));
    }
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--dark);
    color:rgba(255,255,255,.72);
    padding:52px 0 24px;
    margin-top:64px;
  }
  @media (min-width:768px){ .site-footer{padding:68px 0 28px;margin-top:84px;} }
  .footer-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:32px 20px;
  }
  @media (min-width:768px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;} }
  .footer-brand .brand-text{color:#fff;}
  .footer-desc{
    margin-top:14px;
    font-size:14px;
    line-height:1.85;
    color:rgba(255,255,255,.62);
    max-width:320px;
  }
  .footer-col h3{
    font-size:14px;
    font-weight:700;
    color:#fff;
    letter-spacing:.06em;
    margin-bottom:16px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.64);}
  .footer-col a:hover{color:var(--lime);}
  .footer-bottom{
    margin-top:36px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    justify-content:space-between;
    font-size:13px;
    color:rgba(255,255,255,.5);
  }