/* roulang page: index */
:root{
  --c-ink:#14102E;
  --c-ink2:#4A4370;
  --c-ink3:#8A83A8;
  --c-brand:#6C3BF4;
  --c-brand-deep:#3A1687;
  --c-brand-lite:#A98BFF;
  --c-accent:#2FD3C0;
  --c-gold:#F3B44C;
  --c-bg:#F7F5FF;
  --c-surface:#FFFFFF;
  --c-line:#E6E1F8;
  --c-dark:#0D0920;
  --grad:linear-gradient(135deg,#3A1687 0%,#6C3BF4 55%,#9C6BFF 100%);
  --sh-soft:0 8px 28px rgba(58,22,135,.08);
  --sh-hover:0 16px 40px rgba(58,22,135,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--c-ink);font-weight:800;line-height:1.35;margin:0;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:16px;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container-shell{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container-shell{padding-left:32px;padding-right:32px;}}
.num{font-variant-numeric:tabular-nums;}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease,backdrop-filter .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled,.site-header.is-open{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 6px 24px rgba(58,22,135,.06);
}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(108,59,244,.32);
  flex:none;
}
.brand-text{color:#fff;font-weight:800;letter-spacing:.02em;transition:color .3s ease;}
.site-header.is-scrolled .brand-text,.site-header.is-open .brand-text{color:var(--c-ink);}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:rgba(255,255,255,.84);padding:6px 2px;
}
.site-header.is-scrolled .nav-link,.site-header.is-open .nav-link{color:var(--c-ink2);}
.nav-link:hover{color:#fff;}
.site-header.is-scrolled .nav-link:hover,.site-header.is-open .nav-link:hover{color:var(--c-brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-link.is-active{color:#fff;}
.site-header.is-scrolled .nav-link.is-active,.site-header.is-open .nav-link.is-active{color:var(--c-brand);}
.text-link{font-size:15px;font-weight:600;color:rgba(255,255,255,.8);border-bottom:1px solid transparent;padding-bottom:2px;}
.site-header.is-scrolled .text-link,.site-header.is-open .text-link{color:var(--c-ink2);}
.text-link:hover{border-bottom-color:var(--c-accent);color:var(--c-accent);}
.burger{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;}
.site-header.is-scrolled .burger,.site-header.is-open .burger{color:var(--c-ink);}
.mobile-menu{display:none;border-top:1px solid var(--c-line);background:#FBF9FF;}
.mobile-menu.is-open{display:block;}
.menu-item{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 20px;font-size:15px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.menu-item:last-child{border-bottom:0;}
.menu-item.is-active{color:var(--c-brand);}
.menu-item span{color:var(--c-ink3);font-weight:400;}

/* 按钮 */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  background:var(--grad);background-size:180% 180%;background-position:0% 50%;
  color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 24px rgba(108,59,244,.26);
  transition:background-position .35s ease,transform .25s ease,box-shadow .25s ease;
}
.btn-primary:hover{color:#fff;background-position:85% 50%;transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,59,244,.36);}
.btn-primary:active{transform:scale(.98);}
.btn-primary.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-sub{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-brand);font-weight:700;font-size:15px;
  transition:background .25s ease,border-color .25s ease,transform .25s ease,color .25s ease;
}
.btn-sub:hover{background:var(--c-bg);border-color:var(--c-brand-lite);color:var(--c-brand);transform:translateY(-2px);}
.btn-sub:active{transform:scale(.98);}
.btn-ghost-link{font-size:15px;font-weight:700;color:var(--c-brand);text-decoration:underline;text-underline-offset:4px;}
.btn-ghost-link:hover{color:var(--c-accent);}

/* 徽章 / 标签 */
.stat-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:12.5px;font-weight:600;white-space:nowrap;
  backdrop-filter:blur(6px);
  font-variant-numeric:tabular-nums;
}
.dot-gold,.dot-teal{width:7px;height:7px;border-radius:50%;flex:none;}
.dot-gold{background:var(--c-gold);}
.dot-teal{background:var(--c-accent);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#F1EBFF;color:var(--c-brand);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.tag-soft{background:#EDFBF9;color:#12887A;}
.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-brand);display:inline-block;margin-bottom:14px;
}

/* Hero */
.hero-bg{
  position:relative;overflow:hidden;background-color:var(--c-dark);
  background-image:
    radial-gradient(circle at 16% 24%, rgba(255,255,255,.5) 0 1.2px, transparent 1.7px),
    radial-gradient(circle at 74% 30%, rgba(169,139,255,.55) 0 1.4px, transparent 1.9px),
    radial-gradient(circle at 46% 78%, rgba(47,211,192,.45) 0 1.1px, transparent 1.5px),
    radial-gradient(circle at 88% 68%, rgba(255,255,255,.4) 0 1px, transparent 1.4px),
    linear-gradient(150deg, rgba(13,9,32,.9) 0%, rgba(58,22,135,.78) 52%, rgba(13,9,32,.94) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:340px 340px,420px 420px,300px 300px,500px 500px,cover,cover;
  background-position:0 0,0 0,0 0,0 0,center,center;
  background-repeat:repeat,repeat,repeat,repeat,no-repeat,no-repeat;
}
.gate-beam{
  position:absolute;right:-4%;top:50%;transform:translateY(-50%);
  width:min(560px,64vw);height:min(560px,64vw);
  background:radial-gradient(circle at 50% 50%, rgba(124,86,255,.55) 0%, rgba(47,211,192,.16) 42%, rgba(58,22,135,0) 68%);
  clip-path:polygon(50% 0%,100% 40%,88% 40%,88% 100%,12% 100%,12% 40%,0% 40%);
  opacity:.7;pointer-events:none;
}
.hero-title{font-size:clamp(30px,4.6vw,54px);line-height:1.2;color:#fff;letter-spacing:-.01em;}
.hero-title-sub{
  display:block;margin-top:14px;
  font-size:clamp(17px,2vw,24px);font-weight:700;
  background:linear-gradient(100deg,#FFFFFF 0%,#C9B4FF 55%,#7FE9DC 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:rgba(255,255,255,.76);font-size:16.5px;line-height:1.9;max-width:38em;}
.hero-card{
  position:relative;border-radius:30px;overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 26px 60px rgba(6,3,20,.55);
  background:rgba(255,255,255,.06);
}
.hero-card img{border-radius:0;aspect-ratio:16/10;object-fit:cover;width:100%;}
.hero-card-badges{
  position:absolute;left:16px;right:16px;bottom:16px;
  display:flex;gap:8px;flex-wrap:wrap;
}
.trust-item{
  display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:rgba(255,255,255,.78);
}
.trust-icon{
  width:22px;height:22px;border-radius:8px;flex:none;
  background:rgba(47,211,192,.18);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
}

/* 卡片体系 */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:24px;
  box-shadow:var(--sh-soft);padding:26px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-brand-lite);}
.card-lg{border-radius:30px;padding:32px;}
.card-flag{position:relative;overflow:hidden;}
.card-flag::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);border-radius:0 4px 4px 0;
}
.media-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:24px;overflow:hidden;
  box-shadow:var(--sh-soft);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;flex-direction:column;height:100%;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-brand-lite);}
.media-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.media-card:hover img{transform:scale(1.04);}
.media-card:hover .media-card-title{color:var(--c-brand);}
.media-card-title{color:var(--c-ink);font-weight:800;font-size:17px;transition:color .25s ease;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.number-card{
  position:relative;padding-left:64px;
}
.number-card .num-mark{
  position:absolute;left:22px;top:22px;
  font-size:32px;font-weight:800;line-height:1;
  color:rgba(108,59,244,.16);
  font-variant-numeric:tabular-nums;
}
.section-title{font-size:clamp(24px,3vw,34px);}
.section-lead{font-size:16px;color:var(--c-ink2);max-width:44em;}
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
@media (min-width:1024px){.section{padding:104px 0;}}

/* 功能分组标签 */
.group-tabs{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;}
.group-tab{
  flex:none;height:44px;padding:0 18px;border-radius:14px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink2);
  font-size:14px;font-weight:700;white-space:nowrap;
  display:inline-flex;align-items:center;transition:.25s ease;
}
.group-tab.is-active,.group-tab:hover{
  background:#F1EBFF;border-color:var(--c-brand-lite);color:var(--c-brand);
}
@media (min-width:1024px){
  .group-tabs{flex-direction:column;overflow:visible;}
  .group-tab{width:100%;justify-content:flex-start;height:52px;}
}

/* 场景图文 */
.scene-row{
  display:grid;gap:24px;align-items:center;
}
@media (min-width:900px){
  .scene-row{grid-template-columns:1.05fr 1fr;gap:48px;}
  .scene-row.reverse .scene-media{order:2;}
}
.scene-media{border-radius:26px;overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-soft);}
.scene-media img{border-radius:0;aspect-ratio:16/10;object-fit:cover;width:100%;}
.scene-index{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--c-brand);
  font-variant-numeric:tabular-nums;
}

/* 价格 */
.plan{
  background:#fff;border:1px solid var(--c-line);border-radius:26px;padding:30px;
  box-shadow:var(--sh-soft);display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.plan-featured{
  border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 18px 44px rgba(108,59,244,.18);
}
.plan-price{font-size:30px;font-weight:800;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.plan-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-ink2);padding:7px 0;
}
.plan-list li::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--c-brand);margin-top:11px;flex:none;
}

/* CMS 列表 */
.cms-card{
  background:#fff;border:1px solid var(--c-line);border-radius:22px;overflow:hidden;
  display:flex;flex-direction:column;height:100%;
  box-shadow:var(--sh-soft);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-brand-lite);}
.cms-card img{border-radius:0;aspect-ratio:16/10;object-fit:cover;width:100%;transition:transform .5s ease;}
.cms-card:hover img{transform:scale(1.04);}
.cms-title{font-size:17px;font-weight:800;color:var(--c-ink);transition:color .25s ease;}
.cms-card:hover .cms-title{color:var(--c-brand);}
.cms-sum{font-size:14.5px;color:var(--c-ink2);line-height:1.8;}
.cms-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink3);}
.cms-empty{
  border:1px dashed var(--c-line);border-radius:24px;background:#fff;
  padding:48px 24px;text-align:center;
}
.cms-empty p{font-size:15px;color:var(--c-ink3);}

/* FAQ */
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:20px;
  padding:0 22px;margin-bottom:14px;transition:.28s ease;
}
.faq-item[open]{
  background:#F3EFFF;border-color:#DCD2FF;
  box-shadow:inset 3px 0 0 0 var(--c-brand);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:#F1EBFF;color:var(--c-brand);font-weight:700;font-size:17px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:transform .28s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-body{padding:0 0 22px;font-size:15.5px;color:var(--c-ink2);line-height:1.9;}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:32px;padding:52px 32px;
  background-color:var(--c-dark);
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.45) 0 1.2px, transparent 1.7px),
    radial-gradient(circle at 78% 62%, rgba(169,139,255,.5) 0 1.4px, transparent 1.9px),
    linear-gradient(135deg, rgba(58,22,135,.92) 0%, rgba(108,59,244,.86) 58%, rgba(13,9,32,.94) 100%),
    url('/assets/images/backpic/back-3.png');
  background-size:320px 320px,420px 420px,cover,cover;
  background-position:0 0,0 0,center,center;
  background-repeat:repeat,repeat,no-repeat,no-repeat;
}
@media (min-width:768px){.cta-band{padding:64px 56px;}}

/* 页脚 */
.site-footer{
  background-color:var(--c-dark);color:rgba(255,255,255,.66);
  background-image:
    radial-gradient(circle at 12% 26%, rgba(255,255,255,.36) 0 1px, transparent 1.5px),
    radial-gradient(circle at 68% 72%, rgba(169,139,255,.4) 0 1.2px, transparent 1.7px);
  background-size:360px 360px,460px 460px;
  background-repeat:repeat,repeat;
}
.footer-title{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;}
.footer-link{display:block;font-size:14.5px;color:rgba(255,255,255,.66);padding:6px 0;}
.footer-link:hover{color:var(--c-accent);}

/* 移动端底部 Tab */
.bottom-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;background:rgba(255,255,255,.97);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--c-line);
  box-shadow:0 -6px 22px rgba(58,22,135,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.bottom-tabs a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 0 8px;font-size:10.5px;font-weight:600;color:var(--c-ink3);position:relative;
}
.bottom-tabs a.is-active{color:var(--c-brand);}
.tab-dot{
  width:4px;height:4px;border-radius:50%;background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.bottom-tabs a.is-active .tab-dot{opacity:1;}
@media (min-width:768px){.bottom-tabs{display:none;}}
@media (max-width:767px){main{padding-bottom:84px;}}

/* 横滑 */
.scroll-x{
  display:flex;gap:16px;overflow-x:auto;padding:4px 20px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.scroll-x::-webkit-scrollbar{height:5px;}
.scroll-x::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:999px;}
.scroll-x > *{flex:0 0 78vw;scroll-snap-align:start;}
@media (min-width:768px){
  .scroll-x{display:grid;gap:24px;overflow:visible;padding:0;}
  .scroll-x > *{flex:none;}
}
@media (min-width:768px){.md-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}}

/* roulang page: category1 */
:root{
    --c-ink:#14102E;
    --c-ink2:#4A4370;
    --c-ink3:#8A83A8;
    --c-brand:#6C3BF4;
    --c-brand-deep:#3A1687;
    --c-brand-lite:#A98BFF;
    --c-accent:#2FD3C0;
    --c-gold:#F3B44C;
    --c-bg:#F7F5FF;
    --c-surface:#FFFFFF;
    --c-line:#E6E1F8;
    --c-dark:#0D0920;
    --grad:linear-gradient(135deg,#3A1687 0%,#6C3BF4 55%,#9C6BFF 100%);
    --grad-line:linear-gradient(90deg,#6C3BF4 0%,#A98BFF 100%);
    --sh-soft:0 8px 28px rgba(58,22,135,.08);
    --sh-lift:0 16px 40px rgba(58,22,135,.16);
    --r-lg:28px;
    --r-md:22px;
    --r-sm:14px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    background:var(--c-bg);
    color:var(--c-ink2);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:800;line-height:1.35}
  p{margin:0}
  a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease}
  img{max-width:100%;display:block}
  button{font-family:inherit}
  ul{margin:0;padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums}

  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

  .container-shell{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:768px){.container-shell{padding-left:32px;padding-right:32px}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.84);
    backdrop-filter:blur(12px);
    border-bottom:1px solid transparent;
    transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.94);
    border-bottom-color:var(--c-line);
    box-shadow:0 6px 22px rgba(58,22,135,.06);
  }
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:12px;
    background:var(--grad);
    box-shadow:0 6px 16px rgba(108,59,244,.32);
    flex:0 0 auto;
  }
  .nav-link{
    position:relative;
    font-size:15px;
    color:var(--c-ink2);
    padding:6px 2px;
    font-weight:500;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;border-radius:3px;
    background:var(--grad-line);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
  }
  .nav-link:hover{color:var(--c-accent)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--c-brand);font-weight:700}
  .nav-link.is-active::after{transform:scaleX(1)}

  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 24px;border-radius:999px;border:none;
    background:var(--grad);color:#fff;font-size:15px;font-weight:700;
    box-shadow:0 8px 22px rgba(108,59,244,.28);
    transition:transform .22s ease,box-shadow .22s ease,background-position .4s ease;
    background-size:160% 160%;
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(108,59,244,.4);background-position:80% 50%;color:#fff}
  .btn-primary:active{transform:scale(.98)}
  .btn-secondary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 22px;border-radius:14px;
    background:#fff;border:1px solid var(--c-line);color:var(--c-brand);
    font-size:15px;font-weight:600;
  }
  .btn-secondary:hover{background:var(--c-bg);border-color:var(--c-brand-lite);transform:translateY(-2px)}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--c-brand);font-size:15px;font-weight:600;
    text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  }
  .btn-ghost:hover{color:var(--c-accent)}

  .mobile-drawer{
    display:none;
    background:#F3EFFF;
    border-top:1px solid var(--c-line);
    padding:8px 20px 18px;
  }
  .mobile-drawer.is-open{display:block}
  .drawer-item{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;font-size:15px;color:var(--c-ink);font-weight:600;
    border-bottom:1px solid rgba(108,59,244,.12);
  }
  .drawer-item:last-child{border-bottom:none}
  .drawer-item i{color:var(--c-brand-lite);font-size:13px}

  /* ---------- 底部 Tab ---------- */
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:flex;background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-top:1px solid var(--c-line);
    box-shadow:0 -6px 22px rgba(58,22,135,.10);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    padding:9px 0 8px;font-size:10px;color:var(--c-ink3);position:relative;
  }
  .tab-item i{font-size:19px}
  .tab-item.is-active{color:var(--c-brand);font-weight:700}
  .tab-item.is-active::before{
    content:"";position:absolute;top:2px;width:22px;height:3px;border-radius:3px;background:var(--grad-line);
  }

  /* ---------- Hero ---------- */
  .cat-hero{
    position:relative;overflow:hidden;
    background-image:linear-gradient(115deg,rgba(13,9,32,.92) 0%,rgba(58,22,135,.86) 48%,rgba(108,59,244,.72) 100%),url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    color:#fff;
  }
  .cat-hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(circle at 78% 18%,rgba(47,211,192,.20),transparent 42%),
      radial-gradient(circle at 12% 84%,rgba(169,139,255,.24),transparent 46%);
  }
  .cat-hero > .container-shell{position:relative;z-index:2}
  .breadcrumb{font-size:13px;color:rgba(255,255,255,.62)}
  .breadcrumb a:hover{color:var(--c-accent)}
  .breadcrumb span.sep{margin:0 6px;opacity:.6}
  .breadcrumb .current{color:#fff}

  /* ---------- 通用卡片 / 标签 ---------- */
  .card{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-soft);
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--sh-lift);border-color:var(--c-brand-lite)}
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    background:#F3EFFF;color:var(--c-brand);
    font-size:12px;font-weight:700;letter-spacing:.06em;
  }
  .tag-accent{background:rgba(47,211,192,.14);color:#12897C}
  .divider{height:1px;background:var(--c-line);border:none;margin:0}

  /* ---------- 目录 ---------- */
  .toc-wrap{position:sticky;top:96px}
  .toc-link{
    display:flex;align-items:center;gap:10px;
    padding:10px 12px;border-radius:12px;
    font-size:14px;color:var(--c-ink2);
    border-left:3px solid transparent;
  }
  .toc-link:hover{background:#F3EFFF;color:var(--c-brand)}
  .toc-link.is-active{background:#F3EFFF;color:var(--c-brand);font-weight:700;border-left-color:var(--c-brand)}
  .toc-link .idx{font-size:12px;color:var(--c-ink3)}

  /* ---------- 正文 ---------- */
  .doc-section{padding-top:56px;scroll-margin-top:96px}
  .doc-section:first-of-type{padding-top:8px}
  .doc-h2{
    position:relative;font-size:clamp(21px,2.4vw,26px);
    padding-left:18px;margin-bottom:14px;
  }
  .doc-h2::before{
    content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:5px;border-radius:4px;background:var(--grad);
  }
  .doc-h3{
    font-size:19px;margin:26px 0 8px;
  }
  .doc-p{font-size:16.5px;line-height:1.9;color:var(--c-ink2);margin-top:12px}
  .bullet{display:flex;gap:12px;align-items:flex-start;margin-top:12px;font-size:16px;line-height:1.85}
  .bullet::before{
    content:"";flex:0 0 auto;width:8px;height:8px;border-radius:3px;margin-top:10px;background:var(--grad);
  }
  .step-card{
    position:relative;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
    padding:22px 22px 20px 24px;
    box-shadow:var(--sh-soft);
  }
  .step-card .step-no{
    font-size:30px;font-weight:800;line-height:1;
    color:var(--c-brand);
    opacity:.28;
    font-variant-numeric:tabular-nums;
  }
  .step-card h3{font-size:17px;margin:6px 0 8px}
  .step-card p{font-size:15px;color:var(--c-ink2);line-height:1.8}
  .note-box{
    border-left:4px solid var(--c-brand-lite);
    background:#F3EFFF;
    border-radius:0 16px 16px 0;
    padding:16px 20px;
    font-size:15.5px;line-height:1.85;color:var(--c-ink2);
  }
  .stat-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:#fff;border:1px solid var(--c-line);
    font-size:13px;font-weight:700;color:var(--c-ink);
    font-variant-numeric:tabular-nums;
  }
  .dot-brand{width:7px;height:7px;border-radius:999px;background:var(--c-brand)}
  .dot-accent{width:7px;height:7px;border-radius:999px;background:var(--c-accent)}
  .dot-gold{width:7px;height:7px;border-radius:999px;background:var(--c-gold)}

  /* ---------- FAQ ---------- */
  .faq-item{
    border:1px solid var(--c-line);border-radius:20px;background:#fff;
    margin-bottom:14px;overflow:hidden;
    transition:border-color .25s ease,background-color .25s ease;
  }
  .faq-item[open]{background:#F3EFFF;border-color:var(--c-brand-lite)}
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary .ico{
    flex:0 0 auto;width:24px;height:24px;border-radius:999px;
    display:flex;align-items:center;justify-content:center;
    background:#fff;border:1px solid var(--c-line);color:var(--c-brand);
    font-size:12px;transition:transform .25s ease;
  }
  .faq-item[open] summary .ico{transform:rotate(45deg)}
  .faq-item .faq-body{
    padding:0 22px 20px;font-size:15.5px;line-height:1.9;color:var(--c-ink2);
  }

  /* ---------- 推荐卡 ---------- */
  .rec-card{overflow:hidden;display:flex;flex-direction:column}
  .rec-media{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0}
  .rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
  .card:hover .rec-media img{transform:scale(1.04)}
  .rec-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(13,9,32,0) 45%,rgba(13,9,32,.55) 100%);
  }
  .rec-cat{
    position:absolute;left:14px;bottom:12px;z-index:2;
    padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.92);
    color:var(--c-brand);font-size:12px;font-weight:700;
  }

  /* ---------- CTA ---------- */
  .cta-banner{
    position:relative;overflow:hidden;
    background:var(--grad);
    border-radius:var(--r-lg);
    color:#fff;
  }
  .cta-banner::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(circle at 84% 20%,rgba(47,211,192,.28),transparent 45%),
      radial-gradient(circle at 10% 90%,rgba(255,255,255,.18),transparent 42%);
  }
  .cta-banner > *{position:relative;z-index:2}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;overflow:hidden;
    background:var(--c-dark);color:#fff;
    margin-top:96px;
  }
  .site-footer::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(circle at 12% 16%,rgba(108,59,244,.34),transparent 42%),
      radial-gradient(circle at 88% 74%,rgba(47,211,192,.16),transparent 46%);
  }
  .site-footer > *{position:relative;z-index:2}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
  .footer-link{
    display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.62);
  }
  .footer-link:hover{color:var(--c-accent)}

  /* ---------- 锚点条（移动端） ---------- */
  .anchor-strip{
    display:flex;gap:10px;overflow-x:auto;padding:12px 0 4px;
    scrollbar-width:none;
  }
  .anchor-strip::-webkit-scrollbar{display:none}
  .anchor-chip{
    flex:0 0 auto;padding:8px 16px;border-radius:999px;
    background:#fff;border:1px solid var(--c-line);
    font-size:13px;color:var(--c-ink2);font-weight:600;
  }
  .anchor-chip.is-active{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}

  @media (max-width:767px){
    main{padding-bottom:76px}
    .site-footer{margin-top:64px}
    .doc-section{padding-top:44px;scroll-margin-top:78px}
  }

/* roulang page: article */
:root{
  --c-ink:#14102E;
  --c-ink2:#4A4370;
  --c-ink3:#8A83A8;
  --c-brand:#6C3BF4;
  --c-brand-deep:#3A1687;
  --c-brand-lite:#A98BFF;
  --c-accent:#2FD3C0;
  --c-gold:#F3B44C;
  --c-bg:#F7F5FF;
  --c-surface:#FFFFFF;
  --c-line:#E6E1F8;
  --c-dark:#0D0920;
  --grad:linear-gradient(135deg,#3A1687 0%,#6C3BF4 55%,#9C6BFF 100%);
  --sh-soft:0 8px 28px rgba(58,22,135,.08);
  --sh-hov:0 16px 40px rgba(58,22,135,.16);
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-ink);text-decoration:none;transition:color .25s ease,text-decoration-color .25s ease}
a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.tabular{font-variant-numeric:tabular-nums}

.container-shell{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container-shell{padding-left:32px;padding-right:32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,255,.74);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 24px rgba(58,22,135,.07);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(108,59,244,.32);
  flex:none;
}
.brand-text{font-size:16px;font-weight:800;color:var(--c-ink);letter-spacing:.01em;white-space:nowrap}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink2);
  padding:6px 2px 8px;
  text-decoration:none;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--grad);opacity:0;transform:scaleX(.35);transition:.28s ease;
}
.nav-link:hover{color:var(--c-brand);text-decoration:none}
.nav-link.is-active{color:var(--c-brand);font-weight:700}
.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:14px}
.link-consult{font-size:14px;color:var(--c-ink2);border-bottom:1px dashed var(--c-line);padding-bottom:2px}
.link-consult:hover{color:var(--c-brand);text-decoration:none;border-bottom-color:var(--c-brand-lite)}
.menu-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-soft);
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);position:relative}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.mobile-drawer{
  overflow:hidden;max-height:0;transition:max-height .38s ease;
  background:#F3EFFF;border-bottom:1px solid var(--c-line);
}
.mobile-drawer.is-open{max-height:320px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 4px;font-size:15px;color:var(--c-ink2);
  border-bottom:1px solid rgba(230,225,248,.9);text-decoration:none;
}
.drawer-link:last-child{border-bottom:none}
.drawer-link:hover{color:var(--c-brand);text-decoration:none}
.drawer-link.is-active{color:var(--c-brand);font-weight:700}

/* ---------- buttons ---------- */
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  background:var(--grad);background-size:160% 160%;background-position:0% 50%;
  color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 26px rgba(108,59,244,.28);
  transition:transform .28s ease,box-shadow .28s ease,background-position .5s ease;
  text-decoration:none;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 40px rgba(58,22,135,.28);
  background-position:100% 50%;
  color:#fff;text-decoration:none;
}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:14px;
  background:#fff;border:1px solid var(--c-line);
  color:var(--c-brand);font-size:15px;font-weight:600;
  box-shadow:var(--sh-soft);
  transition:.26s ease;text-decoration:none;
}
.btn-secondary:hover{background:var(--c-bg);border-color:var(--c-brand-lite);color:var(--c-brand);transform:translateY(-2px);text-decoration:none}
.btn-ghost{
  font-size:15px;font-weight:600;color:var(--c-brand);
  border-bottom:1px solid var(--c-brand-lite);padding-bottom:2px;text-decoration:none;
}
.btn-ghost:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}

/* ---------- star backgrounds ---------- */
.star-soft{
  position:relative;
  background:
    radial-gradient(circle at 14% 10%,rgba(108,59,244,.14),transparent 52%),
    radial-gradient(circle at 86% 4%,rgba(47,211,192,.13),transparent 48%),
    radial-gradient(circle at 50% 100%,rgba(169,139,255,.14),transparent 60%),
    var(--c-bg);
  overflow:hidden;
}
.star-soft::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 26%,rgba(108,59,244,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 32% 62%,rgba(47,211,192,.5),transparent 60%),
    radial-gradient(1.4px 1.4px at 68% 18%,rgba(108,59,244,.42),transparent 60%),
    radial-gradient(1.4px 1.4px at 88% 54%,rgba(58,22,135,.4),transparent 60%),
    radial-gradient(1.2px 1.2px at 52% 84%,rgba(108,59,244,.35),transparent 60%);
  opacity:.7;
}
.star-dark{
  position:relative;overflow:hidden;background:var(--c-dark);
}
.star-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 10% 22%,rgba(255,255,255,.7),transparent 60%),
    radial-gradient(1.6px 1.6px at 28% 68%,rgba(169,139,255,.7),transparent 60%),
    radial-gradient(1.8px 1.8px at 56% 30%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.4px 1.4px at 78% 72%,rgba(47,211,192,.6),transparent 60%),
    radial-gradient(1.4px 1.4px at 92% 20%,rgba(255,255,255,.5),transparent 60%);
  opacity:.75;
}
.star-dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 20% 0%,rgba(108,59,244,.35),transparent 55%),
             radial-gradient(circle at 85% 100%,rgba(47,211,192,.16),transparent 55%);
}
.star-dark > *{position:relative;z-index:2}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink3)}
.crumb a{color:var(--c-ink3)}
.crumb a:hover{color:var(--c-brand);text-decoration:none}
.crumb .sep{color:var(--c-brand-lite)}
.crumb .current{color:var(--c-ink2)}

/* ---------- article hero ---------- */
.article-hero{padding:34px 0 44px}
.article-title{
  font-size:clamp(28px,4vw,46px);
  line-height:1.32;
  font-weight:800;
  color:var(--c-ink);
  letter-spacing:-.01em;
  margin-top:20px;
}
.h1-prefix{
  display:inline-block;
  font-size:.5em;
  font-weight:700;
  letter-spacing:.06em;
  color:#fff;
  background:var(--grad);
  border-radius:999px;
  padding:7px 16px;
  vertical-align:middle;
  transform:translateY(-4px);
  box-shadow:0 8px 20px rgba(108,59,244,.24);
}
.h1-divider{color:var(--c-brand-lite);margin:0 10px;font-weight:400}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:22px;font-size:13.5px;color:var(--c-ink3);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:#F1EBFF;color:var(--c-brand);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
}
.badge-accent{background:rgba(47,211,192,.14);color:#12897D}
.dot{width:6px;height:6px;border-radius:50%;background:var(--c-gold);display:inline-block}
.article-cover{
  margin-top:30px;border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-soft);border:1px solid var(--c-line);background:#fff;
}
.article-cover img{width:100%;aspect-ratio:16/8.4;object-fit:cover;transition:transform 1.2s ease}
.article-cover:hover img{transform:scale(1.03)}

/* ---------- article layout ---------- */
.article-main{padding:56px 0 20px}
@media(min-width:768px){.article-main{padding:72px 0 26px}}
.article-grid{display:grid;gap:36px;grid-template-columns:minmax(0,1fr)}
@media(min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,780px) 320px;gap:56px;justify-content:space-between}
}

.article-body{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 22px;
  font-size:17px;line-height:1.9;color:var(--c-ink2);
  box-shadow:var(--sh-soft);
}
@media(min-width:768px){.article-body{padding:44px 46px;font-size:17.5px}}
.article-body > *:first-child{margin-top:0}
.article-body > p:first-of-type{
  font-size:18.5px;color:var(--c-ink);line-height:1.85;
  padding-bottom:20px;border-bottom:1px dashed var(--c-line);margin-bottom:26px;
}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;
  font-size:23px;line-height:1.5;font-weight:800;color:var(--c-ink);
  margin:2.1em 0 .8em;padding-left:18px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:1em;
  border-radius:4px;background:var(--grad);
}
.article-body h3{
  font-size:19.5px;line-height:1.55;font-weight:700;color:var(--c-ink);
  margin:1.7em 0 .6em;scroll-margin-top:96px;
}
.article-body h4{font-size:17.5px;font-weight:700;color:var(--c-ink);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.4em}
.article-body li{position:relative;padding-left:22px;margin-bottom:.6em}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:8px;height:8px;border-radius:2px;background:var(--c-brand);transform:rotate(45deg);
}
.article-body ol{counter-reset:oli}
.article-body ol > li{counter-increment:oli}
.article-body ol > li::before{
  content:counter(oli);
  position:absolute;left:0;top:.28em;
  width:18px;height:18px;border-radius:50%;
  background:#F1EBFF;color:var(--c-brand);
  font-size:11.5px;font-weight:700;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:#F3EFFF;border-left:4px solid transparent;
  border-image:var(--grad) 1;
  border-radius:0 16px 16px 0;color:var(--c-ink);
  font-size:16.5px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.6em auto;box-shadow:var(--sh-soft)}
.article-body figure{margin:1.8em 0}
.article-body figcaption,.article-body .caption{
  text-align:center;font-size:13px;color:var(--c-ink3);margin-top:10px;
}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(108,59,244,.35)}
.article-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}
.article-body strong{color:var(--c-ink);font-weight:700}
.article-body code{
  background:#F3EFFF;color:var(--c-brand-deep);
  padding:2px 7px;border-radius:6px;font-size:15px;
}
.article-body pre{
  background:var(--c-dark);color:#EDE9FF;
  padding:20px;border-radius:12px;overflow-x:auto;
  font-size:14.5px;line-height:1.75;margin:1.6em 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left}
.article-body th{background:#F7F5FF;color:var(--c-ink);font-weight:700}
.article-body hr{border:none;border-top:1px dashed var(--c-line);margin:2em 0}

.article-empty{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);
  padding:64px 24px;text-align:center;box-shadow:var(--sh-soft);
}
.article-empty h2{font-size:22px;font-weight:800;color:var(--c-ink);margin-bottom:12px}
.article-empty p{font-size:15px;color:var(--c-ink3);margin-bottom:24px}

.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:30px;
  font-size:15px;font-weight:600;color:var(--c-brand);
  border-bottom:1px solid var(--c-brand-lite);padding-bottom:3px;text-decoration:none;
}
.back-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}

/* ---------- sidebar ---------- */
.side{
  display:flex;flex-direction:column;gap:20px;
}
@media(min-width:1024px){
  .side{position:sticky;top:96px;align-self:start;max-height:calc(100vh - 120px);overflow-y:auto;padding-right:4px}
  .side::-webkit-scrollbar{width:6px}
  .side::-webkit-scrollbar-thumb{background:#DCD4F7;border-radius:6px}
}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-soft);
}
.side-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-ink3);
  margin-bottom:14px;text-transform:uppercase;
}
.toc-list{display:flex;flex-direction:column;gap:2px;position:relative}
.toc-list a{
  display:block;font-size:14px;line-height:1.5;color:var(--c-ink2);
  padding:7px 10px;border-left:2px solid var(--c-line);
  text-decoration:none;transition:.22s ease;
}
.toc-list a:hover{color:var(--c-brand);border-left-color:var(--c-brand-lite);background:#FAF8FF;text-decoration:none}
.toc-list a.is-current{color:var(--c-brand);font-weight:700;border-left-color:var(--c-brand);background:#F5F1FF}
.toc-list a.lv3{padding-left:22px;font-size:13.2px;color:var(--c-ink3)}
.side-post{
  display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--c-line);text-decoration:none;
}
.side-post:last-child{border-bottom:none;padding-bottom:0}
.side-post:hover{text-decoration:none}
.side-post img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:none;transition:transform .5s ease}
.side-post:hover img{transform:scale(1.05)}
.side-post h4{font-size:14px;line-height:1.5;font-weight:600;color:var(--c-ink);margin:2px 0 6px}
.side-post:hover h4{color:var(--c-brand)}
.side-post span{font-size:12px;color:var(--c-ink3)}
.side-cta{
  border-radius:var(--r-md);padding:26px 22px;color:#fff;
  background:var(--grad);box-shadow:var(--sh-soft);position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.35),transparent 65%);
}
.side-cta h4{font-size:17px;font-weight:800;line-height:1.5;position:relative;z-index:2}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.82);margin-top:8px;position:relative;z-index:2;line-height:1.7}
.side-cta .btn-white{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  background:#fff;color:var(--c-brand-deep);border-radius:999px;
  padding:10px 20px;font-size:14px;font-weight:700;text-decoration:none;
  position:relative;z-index:2;transition:.26s ease;
}
.side-cta .btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.2);color:var(--c-brand-deep);text-decoration:none}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.section-title{font-size:clamp(23px,2.8vw,32px);font-weight:800;color:var(--c-ink);line-height:1.35;letter-spacing:-.01em}
.section-sub{font-size:15px;color:var(--c-ink3);margin-top:10px;max-width:640px}
.more-link{font-size:14.5px;font-weight:600;color:var(--c-brand);text-decoration:none;border-bottom:1px solid var(--c-brand-lite);padding-bottom:2px}
.more-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);text-decoration:none}

.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-soft);overflow:hidden;transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hov);border-color:var(--c-brand-lite)}
.card-img{position:relative;overflow:hidden}
.card-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .7s ease}
.card:hover .card-img img{transform:scale(1.04)}
.card-body{padding:22px}
.card-cat{
  display:inline-block;padding:4px 12px;border-radius:999px;background:#F1EBFF;
  color:var(--c-brand);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.card-title{font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.55;margin-top:12px}
.card-desc{font-size:14.5px;color:var(--c-ink2);line-height:1.8;margin-top:10px}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;font-size:12.5px;color:var(--c-ink3);border-top:1px dashed var(--c-line);padding-top:14px}
.card-link{display:block;text-decoration:none}
.card-link:hover{text-decoration:none}
.card-link:hover .card-title{color:var(--c-brand)}

.rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media(max-width:1023px){
  .rail{display:flex;gap:16px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory}
  .rail > *{flex:0 0 78vw;scroll-snap-align:start}
  .rail::-webkit-scrollbar{height:6px}
  .rail::-webkit-scrollbar-thumb{background:#DCD4F7;border-radius:6px}
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;gap:28px;grid-template-columns:minmax(0,1fr)}
@media(min-width:1024px){.faq-grid{grid-template-columns:320px minmax(0,1fr);gap:52px}}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:20px;
  overflow:hidden;transition:border-color .28s ease,background .28s ease,box-shadow .28s ease;
}
.faq-item[open]{background:#F3EFFF;border-color:var(--c-brand-lite);border-left:3px solid var(--c-brand);box-shadow:var(--sh-soft)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;width:22px;height:22px;border-radius:50%;flex:none;
  background:#F1EBFF;transition:transform .3s ease,background .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .3s ease}
.faq-item[open] .faq-icon{background:var(--c-brand);transform:rotate(180deg)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:#fff}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-answer{padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--c-ink2)}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:32px;padding:44px 26px;color:#fff;position:relative;overflow:hidden;
  background:var(--grad);box-shadow:0 24px 60px rgba(58,22,135,.24);
}
@media(min-width:768px){.cta-band{padding:62px 58px}}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.35;position:relative;z-index:2}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.85);margin-top:14px;max-width:620px;line-height:1.85;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px;position:relative;z-index:2}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--c-brand-deep);border-radius:999px;
  padding:13px 26px;font-size:15px;font-weight:700;text-decoration:none;transition:.28s ease;
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.22);color:var(--c-brand-deep);text-decoration:none}
.cta-text-link{color:rgba(255,255,255,.9);font-size:15px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:2px;text-decoration:none}
.cta-text-link:hover{color:#fff;border-bottom-color:#fff;text-decoration:none}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.7);position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.8px 1.8px at 12% 24%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.4px 1.4px at 34% 70%,rgba(169,139,255,.6),transparent 60%),
    radial-gradient(1.6px 1.6px at 62% 28%,rgba(255,255,255,.45),transparent 60%),
    radial-gradient(1.4px 1.4px at 84% 66%,rgba(47,211,192,.55),transparent 60%);
  opacity:.6;
}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 15% 0%,rgba(108,59,244,.28),transparent 55%);
}
.site-footer > *{position:relative;z-index:2}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.6);padding:7px 0;text-decoration:none;transition:.25s ease}
.footer-link:hover{color:#fff;text-decoration:none;transform:translateX(3px)}

/* ---------- mobile tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(3,1fr);
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px rgba(58,22,135,.08);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom,0px));
}
.tab-item{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:10.5px;color:var(--c-ink3);text-decoration:none;padding:2px 0;
}
.tab-item:hover{text-decoration:none;color:var(--c-brand)}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7}
.tab-item .tab-dot{width:4px;height:4px;border-radius:50%;background:transparent;margin-top:2px}
.tab-item.is-active{color:var(--c-brand);font-weight:700}
.tab-item.is-active .tab-dot{background:var(--grad)}
@media(min-width:768px){
  .tabbar{display:none}
}
@media(max-width:767px){
  body{padding-bottom:76px}
}

/* roulang page: category2 */
:root{
    --c-ink:#14102E;
    --c-ink2:#4A4370;
    --c-ink3:#8A83A8;
    --c-brand:#6C3BF4;
    --c-brand-deep:#3A1687;
    --c-brand-lite:#A98BFF;
    --c-accent:#2FD3C0;
    --c-gold:#F3B44C;
    --c-bg:#F7F5FF;
    --c-surface:#FFFFFF;
    --c-line:#E6E1F8;
    --c-dark:#0D0920;
    --grad:linear-gradient(135deg,#3A1687 0%,#6C3BF4 55%,#9C6BFF 100%);
    --sh-soft:0 8px 28px rgba(58,22,135,.08);
    --sh-lift:0 16px 40px rgba(58,22,135,.16);
    --r-big:30px;
    --r-card:24px;
    --r-sm:14px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'PingFang SC','HarmonyOS Sans SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--c-ink2);
    background:var(--c-bg);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;transition:color .2s ease;}
  button{font-family:inherit;}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--c-accent);
    outline-offset:2px;
    border-radius:6px;
  }
  ::selection{background:rgba(108,59,244,.18);}

  .container-shell{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    .container-shell{padding-left:32px;padding-right:32px;}
  }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--c-line);
  }
  .brand-mark{
    width:38px;height:38px;
    border-radius:12px;
    background:var(--grad);
    display:grid;place-items:center;
    box-shadow:0 8px 20px rgba(108,59,244,.28);
    flex:0 0 auto;
  }
  .nav-link{
    position:relative;
    font-size:15px;
    color:var(--c-ink2);
    padding:5px 0;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:-8px;
    height:3px;border-radius:999px;
    background:var(--grad);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .25s ease;
  }
  .nav-link:hover{color:var(--c-brand);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--c-brand);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);}

  .btn-primary{
    display:inline-flex;align-items:center;gap:8px;
    padding:12px 24px;
    border-radius:999px;
    background-image:var(--grad);
    background-size:160% 160%;
    background-position:0% 50%;
    color:#fff;
    font-size:15px;font-weight:600;
    letter-spacing:.01em;
    box-shadow:0 10px 24px rgba(108,59,244,.28);
    border:0;cursor:pointer;
    transition:transform .25s ease,box-shadow .25s ease,background-position .4s ease;
  }
  .btn-primary:hover{
    background-position:100% 50%;
    transform:translateY(-2px);
    box-shadow:0 16px 34px rgba(108,59,244,.34);
    color:#fff;
  }
  .btn-primary:active{transform:scale(.98);}
  .btn-sm{padding:10px 20px;font-size:14px;}

  .btn-quiet{
    font-size:14px;
    color:var(--c-ink2);
    padding:10px 4px;
    border-bottom:1px solid transparent;
  }
  .btn-quiet:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}

  .btn-line{
    display:inline-flex;align-items:center;gap:8px;
    padding:12px 22px;
    border-radius:var(--r-sm);
    background:#fff;
    border:1px solid var(--c-line);
    color:var(--c-brand);
    font-size:15px;font-weight:600;
    transition:background .25s ease,transform .25s ease,box-shadow .25s ease;
  }
  .btn-line:hover{background:var(--c-bg);transform:translateY(-2px);box-shadow:var(--sh-soft);}

  .btn-light{
    display:inline-flex;align-items:center;gap:8px;
    padding:13px 26px;
    border-radius:999px;
    background:#fff;
    color:var(--c-brand-deep);
    font-size:15px;font-weight:700;
    box-shadow:0 12px 30px rgba(13,9,32,.28);
    transition:transform .25s ease,box-shadow .25s ease;
  }
  .btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(13,9,32,.36);color:var(--c-brand-deep);}
  .btn-light:active{transform:scale(.98);}

  .btn-ghost-light{
    display:inline-flex;align-items:center;gap:8px;
    padding:13px 24px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.42);
    color:#fff;
    font-size:15px;font-weight:500;
    transition:background .25s ease,border-color .25s ease;
  }
  .btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);color:#fff;}

  .menu-toggle{
    width:42px;height:42px;
    border-radius:12px;
    border:1px solid var(--c-line);
    background:#fff;
    display:grid;place-items:center;
  }
  .menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);position:relative;}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-ink);
  }
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}

  .drawer{
    display:none;
    border-top:1px solid var(--c-line);
    background:#F3EFFF;
    padding:10px 20px 20px;
  }
  .drawer.is-open{display:block;}
  .drawer a{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;
    font-size:15px;
    color:var(--c-ink);
    border-bottom:1px solid rgba(108,59,244,.12);
  }
  .drawer a:last-child{border-bottom:0;}
  .drawer a.is-active{color:var(--c-brand);font-weight:600;}
  .drawer a::after{content:"›";color:var(--c-ink3);font-size:18px;}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    background:var(--c-dark);
    isolation:isolate;
  }
  .hero-bg{
    position:absolute;inset:0;
    width:100%;height:100%;
    object-fit:cover;
    opacity:.42;
    z-index:-2;
  }
  .hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(135deg,rgba(58,22,135,.92) 0%,rgba(108,59,244,.72) 55%,rgba(13,9,32,.86) 100%);
    z-index:-1;
  }
  .hero-veil::after{
    content:"";
    position:absolute;inset:0;
    background:
      radial-gradient(circle at 18% 26%,rgba(255,255,255,.22) 0,rgba(255,255,255,0) 42%),
      radial-gradient(circle at 78% 72%,rgba(47,211,192,.20) 0,rgba(47,211,192,0) 38%);
  }
  .hero-inner{
    padding-top:58px;
    padding-bottom:64px;
    max-width:900px;
  }
  @media (min-width:768px){
    .hero-inner{padding-top:84px;padding-bottom:92px;}
  }
  .breadcrumb{
    display:flex;align-items:center;gap:8px;
    font-size:13px;
    color:rgba(255,255,255,.62);
    margin-bottom:22px;
    flex-wrap:wrap;
  }
  .breadcrumb a{color:rgba(255,255,255,.78);}
  .breadcrumb a:hover{color:var(--c-accent);}
  .breadcrumb .sep{color:rgba(255,255,255,.4);}
  .breadcrumb .cur{color:rgba(255,255,255,.92);}

  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;
    border-radius:999px;
    background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.24);
    color:#fff;
    font-size:12px;
    letter-spacing:.06em;
    margin-bottom:18px;
  }
  .hero-tag i{
    width:6px;height:6px;border-radius:50%;
    background:var(--c-accent);
    display:inline-block;
  }
  .page-hero h1{
    color:#fff;
    font-size:clamp(28px,4.4vw,50px);
    line-height:1.25;
    font-weight:800;
    letter-spacing:-.01em;
  }
  .hero-sub{
    margin-top:18px;
    max-width:640px;
    font-size:16px;
    line-height:1.85;
    color:rgba(255,255,255,.78);
  }
  @media (min-width:768px){
    .hero-sub{font-size:17px;}
  }
  .hero-actions{
    margin-top:32px;
    display:flex;flex-wrap:wrap;gap:14px;
  }

  /* ---------- 通用板块 ---------- */
  main{padding-bottom:78px;}
  @media (min-width:768px){
    main{padding-bottom:0;}
  }
  .section{padding-top:56px;padding-bottom:56px;}
  @media (min-width:768px){
    .section{padding-top:88px;padding-bottom:88px;}
  }
  .section-tight{padding-top:44px;padding-bottom:44px;}
  .eyebrow{
    display:inline-block;
    font-size:12px;
    letter-spacing:.1em;
    color:var(--c-brand);
    background:rgba(108,59,244,.09);
    border-radius:999px;
    padding:5px 13px;
    margin-bottom:14px;
  }
  .section-head h2{
    font-size:clamp(23px,3vw,33px);
    line-height:1.32;
    font-weight:800;
    color:var(--c-ink);
    letter-spacing:-.01em;
  }
  .section-head p{
    margin-top:14px;
    max-width:720px;
    font-size:16px;
    color:var(--c-ink2);
  }
  .divider{height:1px;background:var(--c-line);border:0;margin:0;}

  /* ---------- 能力对照表 ---------- */
  .table-shell{
    margin-top:34px;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-soft);
    overflow:hidden;
  }
  .cap-table{
    width:100%;
    border-collapse:collapse;
    font-size:15px;
  }
  .cap-table thead th{
    text-align:left;
    font-size:13px;
    letter-spacing:.06em;
    color:var(--c-ink3);
    font-weight:600;
    background:#FAF8FF;
    padding:16px 22px;
    border-bottom:1px solid var(--c-line);
    white-space:nowrap;
  }
  .cap-table tbody td{
    padding:18px 22px;
    border-bottom:1px solid var(--c-line);
    color:var(--c-ink2);
    vertical-align:middle;
  }
  .cap-table tbody tr:last-child td{border-bottom:0;}
  .cap-table tbody tr{transition:background .2s ease;}
  .cap-table tbody tr:hover{background:#FAF8FF;}
  .cap-name{
    font-weight:700;
    color:var(--c-ink);
    white-space:nowrap;
  }
  .check{
    display:inline-flex;align-items:center;gap:7px;
    font-size:14px;
    color:var(--c-ink2);
  }
  .check i{
    width:18px;height:18px;border-radius:50%;
    background:rgba(47,211,192,.16);
    display:inline-grid;place-items:center;flex:0 0 auto;
  }
  .check i::before{
    content:"";
    width:7px;height:4px;
    border-left:2px solid #16A395;
    border-bottom:2px solid #16A395;
    transform:rotate(-45deg) translate(1px,-1px);
  }
  .table-note{
    padding:16px 22px;
    background:#FAF8FF;
    font-size:13px;
    color:var(--c-ink3);
    border-top:1px solid var(--c-line);
  }
  @media (max-width:640px){
    .cap-table thead{display:none;}
    .cap-table,.cap-table tbody,.cap-table tr,.cap-table td{display:block;width:100%;}
    .cap-table tbody tr{
      border-bottom:1px solid var(--c-line);
      padding:6px 0;
    }
    .cap-table tbody tr:last-child{border-bottom:0;}
    .cap-table tbody tr:hover{background:transparent;}
    .cap-table tbody td{
      display:flex;align-items:flex-start;justify-content:space-between;
      gap:16px;
      padding:11px 18px;
      border-bottom:0;
      text-align:right;
    }
    .cap-table tbody td::before{
      content:attr(data-label);
      flex:0 0 auto;
      font-size:13px;
      color:var(--c-ink3);
      font-weight:600;
      text-align:left;
    }
    .cap-name{text-align:right;}
  }

  /* ---------- 场景横滑 ---------- */
  .scene-track{
    display:flex;
    gap:16px;
    margin:34px -20px 0;
    padding:4px 20px 18px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }
  .scene-track::-webkit-scrollbar{height:6px;}
  .scene-track::-webkit-scrollbar-thumb{background:rgba(108,59,244,.22);border-radius:999px;}
  .scene-card{
    flex:0 0 78vw;
    scroll-snap-align:start;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--sh-soft);
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  }
  .scene-card img{
    width:100%;height:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    transition:transform 1.2s ease;
  }
  .scene-media{overflow:hidden;}
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift);border-color:var(--c-brand-lite);}
  .scene-card:hover img{transform:scale(1.04);}
  .scene-body{padding:20px 20px 24px;}
  .scene-body h3{
    font-size:19px;
    font-weight:700;
    color:var(--c-ink);
    line-height:1.45;
  }
  .scene-body p{
    margin-top:10px;
    font-size:14px;
    line-height:1.8;
    color:var(--c-ink2);
  }
  .tag-pill{
    display:inline-block;
    font-size:12px;
    letter-spacing:.04em;
    color:var(--c-brand);
    background:rgba(108,59,244,.1);
    border-radius:999px;
    padding:4px 11px;
    margin-bottom:12px;
  }
  @media (min-width:768px){
    .scene-track{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:24px;
      margin:38px 0 0;
      padding:0;
      overflow:visible;
    }
    .scene-card{flex:auto;}
  }
  @media (min-width:1024px){
    .scene-track{grid-template-columns:repeat(4,minmax(0,1fr));}
  }

  /* ---------- 数据带 ---------- */
  .stat-band{
    position:relative;
    overflow:hidden;
    background:var(--c-dark);
    border-radius:var(--r-big);
    padding:38px 24px;
    color:#fff;
  }
  .stat-band::before{
    content:"";
    position:absolute;inset:0;
    background:
      radial-gradient(circle at 12% 22%,rgba(108,59,244,.42) 0,rgba(108,59,244,0) 46%),
      radial-gradient(circle at 86% 78%,rgba(47,211,192,.22) 0,rgba(47,211,192,0) 44%);
    pointer-events:none;
  }
  .stat-grid{
    position:relative;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:22px;
  }
  @media (min-width:768px){
    .stat-band{padding:52px 44px;}
    .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}
  }
  .stat-item{border-left:2px solid rgba(255,255,255,.14);padding-left:16px;}
  .stat-item strong{
    display:block;
    font-size:clamp(26px,3.6vw,36px);
    font-weight:800;
    line-height:1.1;
    font-variant-numeric:tabular-nums;
    background:linear-gradient(120deg,#FFFFFF 0%,#C9B8FF 100%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .stat-item span{
    display:block;
    margin-top:8px;
    font-size:13px;
    color:rgba(255,255,255,.66);
    line-height:1.7;
  }
  .stat-foot{
    position:relative;
    margin-top:30px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;
    color:rgba(255,255,255,.56);
  }

  /* ---------- 角色建议 ---------- */
  .role-grid{
    display:grid;
    gap:26px;
    margin-top:36px;
  }
  @media (min-width:900px){
    .role-grid{grid-template-columns:0.9fr 1.1fr;gap:44px;align-items:start;}
  }
  .role-figure{
    border-radius:var(--r-card);
    overflow:hidden;
    border:1px solid var(--c-line);
    box-shadow:var(--sh-soft);
    background:#fff;
  }
  .role-figure img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:transform 1.2s ease;
  }
  .role-figure:hover img{transform:scale(1.04);}
  .role-list{display:grid;gap:16px;}
  .role-item{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:20px;
    padding:22px 24px;
    display:flex;
    gap:18px;
    align-items:flex-start;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .role-item:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:var(--c-brand-lite);}
  .role-num{
    flex:0 0 auto;
    width:40px;height:40px;
    border-radius:14px;
    display:grid;place-items:center;
    font-size:15px;font-weight:800;
    color:var(--c-brand);
    background:rgba(108,59,244,.1);
    font-variant-numeric:tabular-nums;
  }
  .role-item h3{
    font-size:18px;
    font-weight:700;
    color:var(--c-ink);
    line-height:1.5;
  }
  .role-item p{
    margin-top:8px;
    font-size:14px;
    line-height:1.85;
    color:var(--c-ink2);
  }

  /* ---------- FAQ ---------- */
  .faq-layout{
    display:grid;
    gap:28px;
    margin-top:36px;
  }
  @media (min-width:900px){
    .faq-layout{grid-template-columns:0.72fr 1.28fr;gap:52px;align-items:start;}
  }
  .faq-item{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:20px;
    margin-bottom:14px;
    overflow:hidden;
    transition:background .3s ease,border-color .3s ease;
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    padding:20px 22px;
    font-size:17px;
    font-weight:600;
    color:var(--c-ink);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    flex:0 0 auto;
    width:26px;height:26px;
    border-radius:50%;
    display:grid;place-items:center;
    background:rgba(108,59,244,.1);
    color:var(--c-brand);
    font-weight:700;
    font-size:16px;
    line-height:1;
    transition:transform .3s ease;
  }
  .faq-item[open]{
    background:#F3EFFF;
    border-color:rgba(108,59,244,.24);
    border-left:3px solid var(--c-brand);
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-body{
    padding:0 22px 22px;
    font-size:15px;
    line-height:1.9;
    color:var(--c-ink2);
  }

  /* ---------- CTA ---------- */
  .cta-panel{
    position:relative;
    overflow:hidden;
    border-radius:var(--r-big);
    background-image:var(--grad);
    padding:46px 24px;
    text-align:center;
    box-shadow:0 22px 48px rgba(58,22,135,.22);
  }
  .cta-panel::before{
    content:"";
    position:absolute;inset:0;
    background:
      radial-gradient(circle at 16% 18%,rgba(255,255,255,.24) 0,rgba(255,255,255,0) 40%),
      radial-gradient(circle at 84% 82%,rgba(47,211,192,.26) 0,rgba(47,211,192,0) 42%);
    pointer-events:none;
  }
  @media (min-width:768px){
    .cta-panel{padding:66px 60px;}
  }
  .cta-panel > *{position:relative;}
  .cta-panel h2{
    color:#fff;
    font-size:clamp(23px,3vw,32px);
    font-weight:800;
    line-height:1.35;
  }
  .cta-panel p{
    margin:16px auto 0;
    max-width:600px;
    color:rgba(255,255,255,.82);
    font-size:16px;
  }
  .cta-actions{
    margin-top:30px;
    display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
  }
  .cta-text-link{
    color:rgba(255,255,255,.9);
    font-size:15px;
    border-bottom:1px solid rgba(255,255,255,.5);
    padding-bottom:3px;
  }
  .cta-text-link:hover{color:#fff;border-bottom-color:#fff;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;
    background:var(--c-dark);
    color:#fff;
    overflow:hidden;
  }
  .site-footer::before{
    content:"";
    position:absolute;inset:0;
    background:
      radial-gradient(circle at 8% 12%,rgba(108,59,244,.34) 0,rgba(108,59,244,0) 42%),
      radial-gradient(circle at 82% 78%,rgba(47,211,192,.16) 0,rgba(47,211,192,0) 40%);
    pointer-events:none;
  }
  .site-footer > *{position:relative;}
  .footer-title{
    font-size:13px;
    letter-spacing:.08em;
    font-weight:600;
    color:rgba(255,255,255,.45);
    margin-bottom:14px;
  }
  .footer-link{
    display:block;
    padding:6px 0;
    font-size:14px;
    color:rgba(255,255,255,.68);
  }
  .footer-link:hover{color:var(--c-accent);}

  /* ---------- 移动端底部 Tab ---------- */
  .mobile-tab{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-top:1px solid var(--c-line);
    box-shadow:0 -8px 24px rgba(58,22,135,.08);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    position:relative;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    height:60px;
    font-size:10px;
    color:var(--c-ink3);
    transition:color .2s ease;
  }
  .tab-item svg{width:22px;height:22px;}
  .tab-item.is-active{color:var(--c-brand);font-weight:600;}
  .tab-item.is-active::after{
    content:"";
    position:absolute;
    bottom:5px;
    width:16px;height:3px;
    border-radius:999px;
    background:var(--grad);
  }
  @media (min-width:768px){
    .mobile-tab{display:none;}
  }