/* roulang page: index */
:root{
  --grad:linear-gradient(120deg,#7A3CFF 0%,#FF5F6D 100%);
  --grad-soft:linear-gradient(120deg,rgba(122,60,255,.10) 0%,rgba(255,95,109,.10) 100%);
  --purple:#7A3CFF;
  --coral:#FF5F6D;
  --mint:#00C2A8;
  --amber:#FFB020;
  --bg:#F6F4FB;
  --card:#FFFFFF;
  --ink:#17122A;
  --ink-2:#4A4360;
  --ink-3:#8B85A0;
  --line:#E8E4F2;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 30px rgba(23,18,42,.08);
  --sh-2:0 16px 40px rgba(122,60,255,.18);
  --sh-dock:0 10px 30px rgba(23,18,42,.10);
  --sec:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--purple);outline-offset:3px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
}
.section{padding:var(--sec) 0;}
.section--white{background:#FFFFFF;}
.section--tint{background:var(--bg);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head__text{max-width:680px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--purple);
  background:var(--grad-soft);
  border-radius:var(--r-pill);
  padding:6px 16px;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);}
h1{font-size:40px;line-height:1.35;font-weight:800;letter-spacing:0;}
h2{font-size:30px;line-height:1.35;font-weight:800;}
h3{font-size:20px;line-height:1.5;font-weight:700;}
.section-title{margin-bottom:14px;}
.section-desc{color:var(--ink-2);font-size:16px;}
.more-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--purple);white-space:nowrap;
}
.more-link::after{content:"→";transition:transform .25s ease;}
.more-link:hover::after{transform:translateX(4px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;
  border-radius:var(--r-pill);
  font-size:16px;font-weight:600;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,opacity .25s ease;
  border:1.5px solid transparent;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(122,60,255,.28);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(122,60,255,.34);}
.btn--primary:active{transform:translateY(1px);}
.btn--outline{background:#fff;color:var(--ink);border-color:transparent;
  position:relative;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:1.5px solid transparent;
}
.btn--outline:hover{transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn--ghost{background:rgba(122,60,255,.08);color:var(--purple);}
.btn--ghost:hover{background:rgba(122,60,255,.14);}
.btn--light{background:#fff;color:var(--ink);box-shadow:0 10px 26px rgba(23,18,42,.14);}
.btn--light:hover{transform:translateY(-2px);}
.btn--onGrad{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn--onGrad:hover{background:rgba(255,255,255,.14);}
.btn[disabled]{opacity:.6;cursor:not-allowed;filter:saturate(.6);transform:none!important;box-shadow:none;}
.btn--sm{padding:10px 22px;font-size:15px;}

/* 徽章与标签 */
.pill{
  display:inline-block;
  font-size:12px;font-weight:600;line-height:1.6;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--grad-soft);color:var(--purple);
}
.tag-amber{background:rgba(255,176,32,.14);color:#9a6400;}

/* Dock 导航 */
.dock{
  position:fixed;top:24px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 48px));
  z-index:90;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh-dock);
  transition:background .3s ease,box-shadow .3s ease;
}
.dock.is-scrolled{background:#fff;box-shadow:0 14px 36px rgba(23,18,42,.16);}
.dock__inner{
  display:flex;align-items:center;gap:20px;
  height:68px;padding:0 14px 0 20px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--ink);white-space:nowrap;}
.logo__mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;flex-shrink:0;
}
.dock__nav{
  display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;
  overflow-x:auto;scrollbar-width:none;
}
.dock__nav::-webkit-scrollbar{display:none;}
.nav-link{
  font-size:15px;font-weight:600;color:var(--ink-2);
  padding:8px 14px;border-radius:var(--r-pill);white-space:nowrap;
  position:relative;
}
.nav-link:hover{color:var(--purple);background:rgba(122,60,255,.07);}
.nav-link.is-active{color:#fff;background:var(--grad);box-shadow:0 8px 18px rgba(122,60,255,.26);}
.dock__actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}

/* Hero */
.hero{
  padding:150px 0 88px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(255,95,109,.16),transparent 70%),
    radial-gradient(760px 380px at 4% 8%,rgba(122,60,255,.14),transparent 70%),
    var(--bg);
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero__title{font-size:40px;line-height:1.32;font-weight:800;margin-bottom:20px;}
.hero__title em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:32px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:560px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh-1);
}
.stat__num{
  font-size:30px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat__label{font-size:12px;color:var(--ink-3);line-height:1.6;}
.hero__media{position:relative;}
.hero__media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-2);
  background:linear-gradient(120deg,rgba(122,60,255,.14),rgba(255,95,109,.14));
}
.float-card{
  position:absolute;left:-24px;bottom:28px;
  background:#fff;border-radius:var(--r-md);padding:16px 20px;
  box-shadow:var(--sh-dock);display:flex;align-items:center;gap:14px;
}
.float-card__icon{
  width:40px;height:40px;border-radius:12px;background:rgba(0,194,168,.14);
  color:var(--mint);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.float-card__num{font-size:18px;font-weight:800;line-height:1.3;font-variant-numeric:tabular-nums;}
.float-card__text{font-size:12px;color:var(--ink-3);line-height:1.5;}

/* 三步上手 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.steps::before{
  content:"";position:absolute;top:44px;left:12%;right:12%;
  border-top:2px dashed var(--line);z-index:0;
}
.step-card{
  position:relative;z-index:1;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(122,60,255,.28);}
.step-num{
  width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;margin-bottom:20px;
  box-shadow:0 10px 22px rgba(122,60,255,.26);
}
.step-card h3{margin-bottom:10px;}
.step-card p{color:var(--ink-2);font-size:15px;margin-bottom:16px;}

/* 能力卡片 */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card:hover::before{opacity:1;}
.card__icon{
  width:44px;height:44px;border-radius:14px;background:var(--grad-soft);color:var(--purple);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:18px;
}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{font-size:15px;color:var(--ink-2);}
.card__meta{margin-top:16px;font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;}

/* 案例证明 */
.proof{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;}
.proof-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
}
.proof-main img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg) var(--r-lg) 0 0;background:rgba(122,60,255,.08);}
.proof-main__body{padding:28px 32px 32px;}
.proof-main__body h3{margin-bottom:10px;}
.proof-main__body p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  border-radius:16px;padding:12px 18px;background:var(--grad-soft);
  display:flex;flex-direction:column;gap:2px;min-width:120px;
}
.badge__num{font-size:28px;font-weight:800;line-height:1.2;color:var(--purple);font-variant-numeric:tabular-nums;}
.badge__label{font-size:12px;color:var(--ink-3);}
.proof-side{display:grid;gap:24px;}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;display:flex;gap:18px;align-items:flex-start;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:rgba(122,60,255,.28);}
.mini-card__score{
  font-size:20px;font-weight:800;color:var(--amber);line-height:1.2;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.mini-card h4{font-size:16px;font-weight:700;margin-bottom:6px;}
.mini-card p{font-size:14px;color:var(--ink-2);}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(122,60,255,.28);}
.news-card__link{display:flex;flex-direction:column;height:100%;}
.news-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:rgba(122,60,255,.08);}
.news-card__body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card h3{
  font-size:18px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card time{font-size:13px;color:var(--ink-3);margin-top:auto;}
.empty-state{
  border:2px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;background:rgba(255,255,255,.6);
}
.empty-state i{font-size:26px;color:var(--purple);margin-bottom:16px;display:block;}
.empty-state p{color:var(--ink-2);margin-bottom:20px;}

/* FAQ */
.faq-list{display:grid;gap:16px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 28px;box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(122,60,255,.26);}
.faq-item.is-open{box-shadow:var(--sh-2);border-color:rgba(122,60,255,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-q i{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  background:var(--grad-soft);color:var(--purple);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .3s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;color:var(--ink-2);font-size:15px;
  transition:max-height .35s ease,padding .3s ease,opacity .3s ease;opacity:0;
  border-left:0 solid var(--purple);
}
.faq-item.is-open .faq-a{max-height:420px;padding:0 0 26px 18px;opacity:1;border-left:3px solid var(--purple);}

/* CTA */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:var(--r-lg);
  padding:56px;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;
  color:#fff;box-shadow:0 24px 60px rgba(122,60,255,.28);
}
.cta-card::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  background:rgba(255,255,255,.12);right:-120px;top:-140px;pointer-events:none;
}
.cta-card h2{color:#fff;margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.88);font-size:16px;margin-bottom:28px;}
.cta-card__actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-form{
  position:relative;z-index:1;background:#fff;border-radius:var(--r-md);
  padding:28px;display:grid;gap:16px;box-shadow:0 18px 40px rgba(23,18,42,.18);
}
.field{display:grid;gap:8px;}
.field label{font-size:13px;font-weight:600;color:var(--ink-2);}
.field input,.field select{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  border:1.5px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.field input::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--purple);box-shadow:0 0 0 4px rgba(122,60,255,.14);
}
.field.has-error input{border-color:#E23A4E;box-shadow:0 0 0 4px rgba(226,58,78,.12);}
.field__tip{font-size:13px;color:#E23A4E;display:none;}
.field.has-error .field__tip{display:block;}
.form-note{font-size:12px;color:var(--ink-3);line-height:1.6;}

/* 页脚 */
.footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px;}
.footer__brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:16px;}
.footer p{font-size:14px;color:var(--ink-2);}
.footer h4{font-size:15px;font-weight:700;margin-bottom:18px;}
.footer__links{display:grid;gap:12px;}
.footer__links a{font-size:14px;color:var(--ink-2);display:inline-block;}
.footer__links a:hover{color:var(--purple);transform:translateX(2px);}
.footer__bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}

/* 响应式 */
@media (max-width:1280px){
  .container{padding:0 32px;}
  .cap-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .hero{padding:132px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .hero__media img{aspect-ratio:16/9;}
  .proof{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;gap:20px;}
  .steps::before{display:none;}
  .cta-card{grid-template-columns:1fr;padding:44px;gap:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--sec:56px;}
  .container{padding:0 20px;}
  h1,.hero__title{font-size:32px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .dock{top:12px;width:calc(100% - 24px);border-radius:28px;}
  .dock__inner{height:auto;flex-wrap:wrap;padding:12px 16px;gap:12px;}
  .dock__nav{order:3;width:100%;margin-left:0;padding-bottom:2px;}
  .dock__actions{margin-left:auto;}
  .logo{font-size:15px;}
  .hero{padding:158px 0 56px;}
  .stats{grid-template-columns:repeat(3,1fr);gap:10px;}
  .stat{padding:12px 12px;}
  .stat__num{font-size:22px;}
  .float-card{left:8px;bottom:12px;padding:12px 14px;}
  .cap-grid,.news-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .proof-main__body{padding:22px;}
  .faq-item{padding:0 20px;}
  .cta-card{padding:32px 24px;border-radius:var(--r-md);}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .hero__actions .btn{width:100%;}
  .stats{grid-template-columns:1fr 1fr;}
  .badge-row{gap:10px;}
  .badge{min-width:0;flex:1 1 calc(50% - 5px);padding:10px 14px;}
  .badge__num{font-size:22px;}
  .btn{padding:13px 22px;font-size:15px;}
}

/* roulang page: article */
:root{
  --grad:linear-gradient(120deg,#7A3CFF 0%,#FF5F6D 100%);
  --grad-soft:linear-gradient(120deg,rgba(122,60,255,.10),rgba(255,95,109,.10));
  --grad-soft-2:linear-gradient(120deg,rgba(122,60,255,.16),rgba(255,95,109,.16));
  --violet:#7A3CFF;
  --coral:#FF5F6D;
  --mint:#00C2A8;
  --amber:#FFB020;
  --bg:#F6F4FB;
  --card:#FFFFFF;
  --ink:#17122A;
  --ink-2:#4A4360;
  --ink-3:#8B85A0;
  --line:#E8E4F2;
  --r-xl:28px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 30px rgba(23,18,42,.08);
  --sh-2:0 16px 40px rgba(122,60,255,.18);
  --sh-dock:0 10px 30px rgba(23,18,42,.10);
  --maxw:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-lg);}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.35;margin:0;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid rgba(122,60,255,.55);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px;}
.section{padding:96px 0;}
.section--white{background:#fff;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:30px;}
.section-head p{margin-top:10px;color:var(--ink-3);font-size:15px;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--violet);font-size:15px;white-space:nowrap;}
.link-more::after{content:"→";transition:transform .2s ease;}
.link-more:hover::after{transform:translateX(4px);}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);background:var(--grad-soft);color:var(--violet);font-size:12.5px;font-weight:700;letter-spacing:.2px;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(0,194,168,.12);color:#008a79;font-size:12px;font-weight:700;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:none;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,opacity .25s ease;
}
.btn--primary{background:var(--grad);background-size:140% 140%;color:#fff;box-shadow:0 8px 20px rgba(122,60,255,.28);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(122,60,255,.34);background-position:100% 0;}
.btn--ghost{background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:1.5px solid transparent;color:var(--ink);}
.btn--ghost:hover{transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--violet);}
.btn--light{background:#fff;color:#5A2AD8;box-shadow:0 10px 24px rgba(23,18,42,.16);}
.btn--light:hover{transform:translateY(-2px);}
.btn--outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.72);}
.btn--outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn:active{transform:translateY(1px);}
.btn:disabled,.btn.is-loading{opacity:.62;cursor:not-allowed;filter:saturate(.65);}
.btn.is-loading{pointer-events:none;}
.dot-pulse::after{content:"";display:inline-block;width:14px;text-align:left;animation:dots 1.1s steps(4,end) infinite;}
@keyframes dots{0%{content:"";}25%{content:".";}50%{content:"..";}75%{content:"...";}100%{content:"";}}
.card{background:var(--card);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh-1);position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad);opacity:0;transition:opacity .3s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card:hover::before{opacity:1;}
.card__title{font-size:17px;font-weight:800;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__text{margin-top:10px;font-size:14.5px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* Dock navigation */
.dock{
  position:fixed;top:24px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 48px));z-index:60;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-radius:var(--r-pill);box-shadow:var(--sh-dock);
  transition:background .3s ease,box-shadow .3s ease;
}
.dock.is-scrolled{background:#fff;box-shadow:0 14px 34px rgba(23,18,42,.14);}
.dock__inner{display:flex;align-items:center;gap:18px;height:68px;padding:0 12px 0 20px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap;}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;font-size:15px;flex:none;
  box-shadow:0 6px 16px rgba(122,60,255,.30);
}
.dock__nav{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-link{padding:9px 14px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;}
.nav-link:hover{color:var(--violet);background:rgba(122,60,255,.08);}
.nav-link.is-active{color:var(--violet);font-weight:800;background:var(--grad-soft-2);}
.dock__actions{display:flex;align-items:center;gap:10px;}

/* Article head */
.article-head{position:relative;padding:132px 0 40px;background:var(--bg);overflow:hidden;}
.article-head::before{
  content:"";position:absolute;right:-80px;top:-60px;width:640px;height:520px;
  background:url('/assets/images/backpic/back-3.webp') no-repeat center/cover;
  opacity:.14;pointer-events:none;
}
.article-head::after{
  content:"";position:absolute;left:-160px;bottom:-220px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,60,255,.16),transparent 68%);pointer-events:none;
}
.article-head .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--violet);}
.breadcrumb span.sep{color:#CFC9E2;}
.article-head h1{font-size:clamp(24px,3.1vw,32px);margin-top:16px;max-width:900px;}
.meta-row{display:flex;flex-wrap:wrap;gap:20px;margin-top:20px;padding-bottom:22px;font-size:13.5px;color:var(--ink-3);border-bottom:1px solid var(--line);}
.meta-row i{color:var(--violet);margin-right:6px;}

/* Layout */
.article-body{padding:48px 0 24px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-main{background:#fff;border-radius:var(--r-xl);padding:40px 44px;box-shadow:var(--sh-1);min-width:0;}
.prose{font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:800px;}
.prose > * + *{margin-top:1.5em;}
.prose h2{position:relative;font-size:23px;font-weight:800;color:var(--ink);margin-top:40px;padding-left:16px;}
.prose h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad);}
.prose h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-top:28px;}
.prose strong{color:var(--ink);}
.prose a{color:var(--violet);border-bottom:1px solid rgba(122,60,255,.35);}
.prose a:hover{border-bottom-color:var(--violet);}
.prose ul,.prose ol{padding-left:0;list-style:none;}
.prose ol{counter-reset:li;}
.prose ul li,.prose ol li{position:relative;padding-left:24px;}
.prose ul li + li,.prose ol li + li{margin-top:10px;}
.prose ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--grad);}
.prose ol li::before{counter-increment:li;content:counter(li);position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:6px;background:var(--grad-soft-2);color:var(--violet);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.prose blockquote{margin-left:0;margin-right:0;padding:18px 22px;background:rgba(122,60,255,.06);border-left:4px solid var(--violet);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);}
.prose blockquote p{margin:0;}
.prose img{border-radius:var(--r-lg);box-shadow:var(--sh-1);margin:26px auto;}
.prose figure{margin:26px 0;}
.prose figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;border-radius:var(--r-md);overflow:hidden;box-shadow:0 0 0 1px var(--line);}
.prose th{background:rgba(122,60,255,.08);color:var(--ink);text-align:left;font-weight:800;}
.prose th,.prose td{padding:12px 16px;border:none;}
.prose tbody tr:nth-child(even){background:#FAF9FE;}
.prose pre{background:#F3F1F9;border-radius:var(--r-md);padding:18px;overflow-x:auto;font-size:14px;line-height:1.7;}
.prose code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.94em;background:rgba(122,60,255,.08);padding:2px 6px;border-radius:6px;color:#5A2AD8;}
.prose pre code{background:none;padding:0;color:var(--ink-2);}
.prose hr{border:none;height:1px;background:var(--line);}
.empty-state{border:1.5px dashed #D8D1EE;border-radius:var(--r-lg);padding:56px 28px;text-align:center;background:#FBFAFE;}
.empty-state i{font-size:30px;color:var(--violet);opacity:.7;}
.empty-state h3{margin-top:16px;font-size:18px;}
.empty-state p{margin-top:8px;color:var(--ink-3);font-size:14.5px;}
.empty-state .btn{margin-top:20px;}

/* Sidebar */
.sidebar{position:sticky;top:112px;display:flex;flex-direction:column;gap:22px;}
.widget{background:#fff;border-radius:var(--r-xl);padding:26px;box-shadow:var(--sh-1);}
.widget h3{font-size:16px;display:flex;align-items:center;gap:8px;}
.widget h3::before{content:"";width:4px;height:16px;border-radius:4px;background:var(--grad);}
.widget__list{margin-top:16px;display:flex;flex-direction:column;gap:2px;}
.widget__list a{display:block;padding:10px 0;font-size:14.5px;color:var(--ink-2);border-bottom:1px dashed var(--line);transition:color .2s ease,transform .2s ease;}
.widget__list a:last-child{border-bottom:none;}
.widget__list a:hover{color:var(--violet);transform:translateX(4px);}
.widget__list span{display:block;font-size:12px;color:var(--ink-3);margin-top:2px;}
.widget--cta{background:var(--grad);color:rgba(255,255,255,.9);box-shadow:0 18px 40px rgba(122,60,255,.28);}
.widget--cta h3{color:#fff;}
.widget--cta h3::before{background:rgba(255,255,255,.85);}
.widget--cta p{margin-top:12px;font-size:14px;line-height:1.75;}
.widget--cta .btn{margin-top:18px;width:100%;}
.stat-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px;}
.stat{flex:1 1 120px;background:var(--grad-soft);border-radius:var(--r-md);padding:14px 16px;}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.stat span{font-size:12px;color:var(--ink-3);}

/* Bottom nav cards */
.nav-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.nav-card{display:flex;gap:18px;align-items:center;background:#fff;border-radius:var(--r-xl);padding:22px 24px;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease;}
.nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.nav-card i{width:44px;height:44px;border-radius:14px;background:var(--grad-soft-2);color:var(--violet);display:flex;align-items:center;justify-content:center;flex:none;font-size:16px;}
.nav-card strong{display:block;font-size:15.5px;color:var(--ink);font-weight:800;}
.nav-card small{font-size:13px;color:var(--ink-3);}

/* Related cards */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.post-card{background:#fff;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(120deg,rgba(122,60,255,.14),rgba(255,95,109,.14));}
.post-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.post-card:hover .post-card__media img{transform:scale(1.05);}
.post-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card__body h3{font-size:17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__body p{font-size:14.5px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}

/* FAQ */
.faq{display:grid;gap:16px;}
.faq-item{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .3s ease;}
.faq-item[open]{box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:22px 26px;font-size:16.5px;font-weight:800;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-icon{
  margin-left:auto;flex:none;width:30px;height:30px;border-radius:50%;
  background:var(--grad-soft-2);color:var(--violet);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;transition:transform .3s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);}
.faq-item__body{padding:0 26px 24px;font-size:15px;color:var(--ink-2);border-left:3px solid transparent;border-image:var(--grad) 1;animation:fadeUp .35s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}

/* CTA */
.cta-band{padding:0 0 96px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);padding:52px;color:#fff;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
  box-shadow:0 26px 60px rgba(122,60,255,.28);
}
.cta-card::before,.cta-card::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.14);}
.cta-card::before{width:300px;height:300px;right:-90px;top:-120px;}
.cta-card::after{width:200px;height:200px;left:-70px;bottom:-110px;background:rgba(255,255,255,.10);}
.cta-card h2{color:#fff;font-size:30px;position:relative;z-index:1;}
.cta-card p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.92);position:relative;z-index:1;max-width:520px;}
.cta-card__btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:1;}
.cta-form{position:relative;z-index:1;background:rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px;backdrop-filter:blur(6px);}
.cta-form__row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:12.5px;color:rgba(255,255,255,.9);font-weight:700;}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.42);
  background:rgba(255,255,255,.96);color:var(--ink);font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(122,60,255,.22);}
.field.is-error input,.field.is-error select{border-color:#FF3B5C;box-shadow:0 0 0 3px rgba(255,59,92,.18);}
.field small{font-size:12.5px;color:#FFE1E6;min-height:16px;}
.cta-form .btn{width:100%;margin-top:16px;}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.86);text-align:center;}
.form-success{margin-top:14px;font-size:14px;background:rgba(255,255,255,.2);border-radius:var(--r-sm);padding:12px 14px;display:none;}
.form-success.is-on{display:block;}

/* Footer */
.footer{background:#fff;border-top:1px solid var(--line);padding:72px 0 28px;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer__brand{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:16px;}
.footer p{font-size:14px;color:var(--ink-3);line-height:1.8;}
.footer h4{font-size:15px;margin-bottom:16px;}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{font-size:14px;color:var(--ink-2);}
.footer__links a:hover{color:var(--violet);transform:translateX(2px);}
.footer__bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--ink-3);}

@media (max-width:1024px){
  .container{padding:0 28px;}
  .dock{top:12px;width:calc(100% - 24px);border-radius:32px;}
  .dock__inner{height:auto;min-height:64px;flex-wrap:wrap;padding:10px 14px;gap:10px;}
  .dock__nav{order:3;width:100%;margin:0;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .dock__nav::-webkit-scrollbar{display:none;}
  .dock__actions{margin-left:auto;}
  .article-head{padding:170px 0 32px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .sidebar{position:static;}
  .article-main{padding:30px 26px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .nav-cards{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .cta-form__row{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .meta-row{gap:12px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .logo{font-size:13.5px;}
  .logo__mark{width:30px;height:30px;border-radius:10px;}
  .article-main{padding:24px 18px;border-radius:var(--r-lg);}
  .article-head h1{font-size:22px;}
  .cta-card{padding:32px 22px;border-radius:var(--r-lg);}
  .cta-card h2{font-size:23px;}
  .faq-item summary{padding:18px;font-size:15.5px;}
  .faq-item__body{padding:0 18px 20px;}
}

/* roulang page: category1 */
:root{
  --grad:linear-gradient(120deg,#7A3CFF 0%,#FF5F6D 100%);
  --grad-soft:linear-gradient(120deg,rgba(122,60,255,.10),rgba(255,95,109,.10));
  --purple:#7A3CFF;
  --coral:#FF5F6D;
  --mint:#00C2A8;
  --amber:#FFB020;
  --bg:#F6F4FB;
  --card:#FFFFFF;
  --ink:#17122A;
  --ink-2:#4A4360;
  --ink-3:#8B85A0;
  --line:#E8E4F2;
  --r-xl:28px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --shadow-1:0 8px 30px rgba(23,18,42,.08);
  --shadow-2:0 16px 40px rgba(122,60,255,.18);
  --shadow-dock:0 10px 30px rgba(23,18,42,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{line-height:1.35;font-weight:800;margin:0;color:var(--ink);letter-spacing:0;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(122,60,255,.18);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1025px){.container{padding:0 40px;}}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:24px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 48px));
  z-index:200;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-radius:999px;
  box-shadow:var(--shadow-dock);
  border:1px solid rgba(255,255,255,.7);
  transition:background .3s ease,box-shadow .3s ease;
}
.dock.is-scrolled{background:#fff;box-shadow:0 14px 36px rgba(23,18,42,.14);}
.dock__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:68px;padding:0 14px 0 22px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:16px;color:var(--ink);white-space:nowrap;
  transition:opacity .2s ease;
}
.logo:hover{opacity:.82;}
.logo__mark{
  width:34px;height:34px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(122,60,255,.30);
}
.dock__nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-block;padding:9px 15px;border-radius:999px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--purple);background:rgba(122,60,255,.08);}
.nav-link.is-active{
  background:var(--grad-soft);color:var(--purple);font-weight:700;
}
.nav-link:focus-visible{outline:2px solid var(--purple);outline-offset:2px;}
.dock__actions{display:flex;align-items:center;gap:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-weight:700;border-radius:999px;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--purple);outline-offset:3px;}
.btn--primary{
  background:var(--grad);background-size:160% 160%;color:#fff;
  padding:14px 30px;font-size:15px;
  box-shadow:0 10px 24px rgba(122,60,255,.28);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(122,60,255,.34);background-position:100% 0;}
.btn--primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(122,60,255,.26);}
.btn--ghost{
  padding:12px 28px;font-size:15px;color:var(--ink);
  border:1.5px solid transparent;border-radius:999px;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 6px 18px rgba(23,18,42,.06);
}
.btn--ghost:hover{transform:translateY(-2px);color:var(--purple);box-shadow:0 12px 26px rgba(122,60,255,.16);}
.btn--ghost:active{transform:translateY(1px);}
.btn--white{background:#fff;color:var(--purple);padding:14px 30px;font-size:15px;box-shadow:0 10px 24px rgba(23,18,42,.16);}
.btn--white:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(23,18,42,.22);}
.btn--outline-white{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.75);padding:13px 28px;font-size:15px;}
.btn--outline-white:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:700;
  line-height:1.6;
}
.badge--grad{background:var(--grad-soft);color:var(--purple);}
.badge--mint{background:rgba(0,194,168,.12);color:#00806F;}
.badge--amber{background:rgba(255,176,32,.16);color:#9A6400;}
.badge--muted{background:#F1EEF9;color:var(--ink-2);}
.badge i{font-size:11px;}

/* ---------- 页面头部 ---------- */
.page-head{position:relative;padding:140px 0 72px;overflow:hidden;}
.page-head__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.16;filter:saturate(1.05);
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(246,244,251,.72) 0%,rgba(246,244,251,.96) 62%,#F6F4FB 100%);
}
.page-head__inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-3);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--purple);}
.breadcrumb span{color:var(--ink-2);font-weight:600;}
.page-head__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.page-head h1{font-size:40px;margin-bottom:18px;}
.page-head__lead{font-size:17px;color:var(--ink-2);max-width:560px;}
.page-head__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.page-head__media{position:relative;}
.page-head__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-xl);box-shadow:var(--shadow-2);
  background:#EDE9F7;
}
.float-card{
  position:absolute;left:-18px;bottom:-24px;
  background:#fff;border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--shadow-1);
  display:flex;align-items:center;gap:12px;
  min-width:200px;
}
.float-card__dot{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 auto;
}
.float-card strong{display:block;font-size:15px;}
.float-card small{color:var(--ink-3);font-size:12px;}

/* ---------- 数据徽章 ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;}
.stat{
  background:var(--grad-soft);border-radius:var(--r-md);
  padding:20px 22px;border:1px solid rgba(122,60,255,.10);
}
.stat__num{
  font-size:32px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat__label{font-size:12.5px;color:var(--ink-3);margin-top:2px;}

/* ---------- 区块 ---------- */
.section{padding:96px 0;}
.section--white{background:#fff;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--purple);
  background:var(--grad-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}

/* ---------- 图文交错 ---------- */
.row-block{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:0 0 64px;
}
.row-block + .row-block{padding-top:64px;border-top:1px dashed var(--line);}
.row-block--reverse .row-block__media{order:-1;}
.row-block__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);background:#EDE9F7;
}
.row-block__index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;
  font-weight:800;font-size:15px;margin-bottom:16px;
  box-shadow:0 8px 18px rgba(122,60,255,.28);
}
.row-block h3{font-size:22px;margin-bottom:12px;}
.row-block p{color:var(--ink-2);font-size:16px;}
.row-block__list{margin-top:16px;display:grid;gap:8px;}
.row-block__list li{
  position:relative;padding-left:22px;color:var(--ink-2);font-size:15px;
}
.row-block__list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;background:var(--grad);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;font-weight:700;font-size:15px;color:var(--purple);
  transition:gap .2s ease,color .2s ease;
}
.text-link::after{content:"\2192";font-size:14px;transition:transform .2s ease;}
.text-link:hover{gap:12px;color:var(--coral);}
.text-link:hover::after{transform:translateX(2px);}

/* ---------- 实时状态带 ---------- */
.status-band{
  background:#fff;border-radius:var(--r-xl);
  padding:32px 36px;box-shadow:var(--shadow-1);
  border:1px solid var(--line);
}
.status-band__head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px;}
.status-band__head h3{font-size:20px;}
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.status-item{
  display:flex;align-items:center;gap:12px;
  background:var(--bg);border-radius:var(--r-md);padding:16px 18px;
}
.pulse{position:relative;width:10px;height:10px;border-radius:50%;background:var(--mint);flex:0 0 auto;}
.pulse::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:2px solid rgba(0,194,168,.45);
  animation:ripple 2s ease-out infinite;
}
@keyframes ripple{
  0%{transform:scale(.5);opacity:.9;}
  100%{transform:scale(1.25);opacity:0;}
}
.status-item strong{display:block;font-size:15px;}
.status-item small{color:var(--ink-3);font-size:12.5px;}

/* ---------- 自检清单 ---------- */
.check-list{display:grid;gap:14px;margin-top:32px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;transition:transform .25s ease,box-shadow .25s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-1);}
.check-item__icon{
  width:26px;height:26px;border-radius:50%;background:rgba(0,194,168,.14);color:#00806F;
  display:flex;align-items:center;justify-content:center;font-size:12px;flex:0 0 auto;margin-top:4px;
}
.check-item strong{font-size:15.5px;}
.check-item p{color:var(--ink-2);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq:hover{box-shadow:var(--shadow-1);border-color:rgba(122,60,255,.20);}
.faq[open]::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--grad);
}
.faq__q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:700;color:var(--ink);
}
.faq__q::-webkit-details-marker{display:none;}
.faq__icon{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;
  background:var(--grad-soft);color:var(--purple);
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq[open] .faq__icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq__a{padding:0 26px 24px;color:var(--ink-2);font-size:15.5px;animation:fadeIn .3s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA ---------- */
.cta-wrap{padding:96px 0 0;}
.cta{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:var(--r-xl);
  padding:56px;color:#fff;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  box-shadow:0 24px 60px rgba(122,60,255,.28);
}
.cta::before,.cta::after{
  content:"";position:absolute;border-radius:50%;
  background:rgba(255,255,255,.14);pointer-events:none;
}
.cta::before{width:320px;height:320px;top:-140px;right:-80px;}
.cta::after{width:220px;height:220px;bottom:-120px;left:-60px;background:rgba(255,255,255,.10);}
.cta__body{position:relative;z-index:2;}
.cta h2{color:#fff;font-size:30px;margin-bottom:16px;}
.cta p{color:rgba(255,255,255,.92);font-size:16px;max-width:520px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta__card{
  position:relative;z-index:2;background:#fff;border-radius:var(--r-lg);
  padding:28px;box-shadow:0 18px 40px rgba(23,18,42,.18);color:var(--ink);
}
.cta__card h3{font-size:18px;margin-bottom:6px;}
.cta__card > p{color:var(--ink-3);font-size:13.5px;margin-bottom:20px;}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:7px;}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1.5px solid var(--line);background:#FCFBFF;
  font-size:14.5px;outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder{color:#A9A3BC;}
.field input:hover,.field select:hover{border-color:#D8D1EC;}
.field input:focus,.field select:focus{
  border-color:var(--purple);background:#fff;
  box-shadow:0 0 0 4px rgba(122,60,255,.14);
}
.field input.is-error{border-color:#E74C5B;box-shadow:0 0 0 4px rgba(231,76,91,.12);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-tip{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7;}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);
  font-size:13.5px;font-weight:600;
}
.form-msg.is-ok{display:block;background:rgba(0,194,168,.12);color:#00806F;}
.form-msg.is-err{display:block;background:rgba(231,76,91,.10);color:#C0392B;}

/* ---------- 页脚 ---------- */
.footer{background:#fff;border-top:1px solid var(--line);padding:72px 0 28px;margin-top:96px;}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer__brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:14px;}
.footer p{color:var(--ink-2);font-size:14px;max-width:340px;}
.footer h4{font-size:15px;margin:0 0 14px;color:var(--ink);}
.footer__links a{
  display:block;padding:6px 0;color:var(--ink-2);font-size:14px;
  transition:color .2s ease,transform .2s ease;
}
.footer__links a:hover{color:var(--purple);transform:translateX(2px);}
.footer__bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:48px;padding-top:22px;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .dock__nav .nav-link{padding:9px 11px;font-size:14px;}
}
@media (max-width:1024px){
  .page-head{padding:126px 0 56px;}
  .page-head__grid{grid-template-columns:1fr;gap:40px;}
  .page-head h1{font-size:32px;}
  .section{padding:72px 0;}
  .section-head h2{font-size:26px;}
  .row-block{gap:40px;}
  .cta{grid-template-columns:1fr;padding:44px;gap:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .status-grid{grid-template-columns:1fr;}
}
@media (max-width:860px){
  .dock{top:14px;width:calc(100% - 28px);border-radius:26px;}
  .dock__inner{height:64px;padding:0 12px;gap:10px;}
  .dock__nav{
    overflow-x:auto;flex:1;justify-content:flex-start;
    -ms-overflow-style:none;scrollbar-width:none;
  }
  .dock__nav::-webkit-scrollbar{display:none;}
  .logo{font-size:15px;}
  .logo__mark{width:30px;height:30px;border-radius:10px;font-size:13px;}
  .dock__actions .btn{padding:9px 16px;font-size:13.5px;}
}
@media (max-width:768px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 20px;}
  .page-head{padding:112px 0 48px;}
  .page-head h1{font-size:28px;}
  .page-head__lead{font-size:16px;}
  .float-card{position:static;margin-top:16px;left:auto;bottom:auto;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat__num{font-size:26px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:23px;}
  .row-block,.row-block--reverse{grid-template-columns:1fr;gap:24px;padding-bottom:44px;}
  .row-block + .row-block{padding-top:44px;}
  .row-block--reverse .row-block__media{order:0;}
  .row-block h3{font-size:19px;}
  .status-band{padding:24px 20px;}
  .cta{padding:32px 24px;border-radius:24px;}
  .cta h2{font-size:24px;}
  .cta__actions .btn{width:100%;}
  .field-row{grid-template-columns:1fr;}
  .footer{padding:56px 0 24px;margin-top:64px;}
  .footer__grid{grid-template-columns:1fr;}
  .faq__q{padding:18px 20px;font-size:15.5px;}
  .faq__a{padding:0 20px 20px;}
  .cta-wrap{padding:64px 0 0;}
}
@media (max-width:480px){
  .page-head h1{font-size:24px;}
  .stats{grid-template-columns:1fr;}
  .dock__actions .btn span{display:none;}
  .logo{max-width:150px;overflow:hidden;text-overflow:ellipsis;}
}

/* roulang page: category2 */
:root{
  --brand-1:#7A3CFF;
  --brand-2:#FF5F6D;
  --mint:#00C2A8;
  --amber:#FFB020;
  --bg:#F6F4FB;
  --card:#FFFFFF;
  --ink-1:#17122A;
  --ink-2:#4A4360;
  --ink-3:#8B85A0;
  --line:#E8E4F2;
  --grad:linear-gradient(120deg,#7A3CFF 0%,#FF5F6D 100%);
  --grad-soft:linear-gradient(120deg,rgba(122,60,255,.10) 0%,rgba(255,95,109,.10) 100%);
  --grad-mint:linear-gradient(120deg,rgba(0,194,168,.14) 0%,rgba(0,194,168,.06) 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --sd-1:0 8px 30px rgba(23,18,42,.08);
  --sd-2:0 16px 40px rgba(122,60,255,.18);
  --sd-dock:0 10px 30px rgba(23,18,42,.10);
  --container:1200px;
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-1);
  background:var(--grad-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-title{font-size:30px;margin-bottom:14px;}
.section-sub{color:var(--ink-2);font-size:16px;}
.text-grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:fixed;top:24px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;pointer-events:none;
}
.dock__inner{
  pointer-events:auto;
  width:min(1120px,calc(100% - 48px));
  min-height:68px;
  display:flex;align-items:center;gap:20px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(232,228,242,.95);
  border-radius:999px;
  box-shadow:var(--sd-dock);
  transition:background var(--ease),box-shadow var(--ease);
}
.dock.is-scrolled .dock__inner{
  background:#FFFFFF;
  box-shadow:0 12px 34px rgba(23,18,42,.15);
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:16px;white-space:nowrap;color:var(--ink-1);
}
.logo__mark{
  width:34px;height:34px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;flex:none;
  box-shadow:0 6px 16px rgba(122,60,255,.34);
}
.dock__nav{
  display:flex;align-items:center;gap:2px;
  margin-left:6px;overflow-x:auto;scrollbar-width:none;
  -ms-overflow-style:none;flex:1;min-width:0;
}
.dock__nav::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;
  padding:8px 13px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease),transform var(--ease);
}
.nav-link:hover{color:var(--brand-1);background:rgba(122,60,255,.08);}
.nav-link.is-active{
  color:#fff;background:var(--grad);
  box-shadow:0 8px 18px rgba(122,60,255,.28);
}
.dock__actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border:none;border-radius:999px;
  font-size:15.5px;font-weight:700;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),opacity var(--ease);
  text-align:center;white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(120deg,#7A3CFF 0%,#FF5F6D 100%);
  color:#fff;box-shadow:0 10px 24px rgba(122,60,255,.30);
}
.btn--primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(255,95,109,.34);
  background:linear-gradient(110deg,#7A3CFF 0%,#FF5F6D 100%);
}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{
  background:#fff;color:var(--ink-1);
  border:1.5px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:0 6px 18px rgba(23,18,42,.07);
}
.btn--ghost:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(122,60,255,.16);color:var(--brand-1);}
.btn--light{background:#fff;color:var(--ink-1);box-shadow:0 10px 26px rgba(23,18,42,.16);}
.btn--light:hover{transform:translateY(-2px);}
.btn--outline-light{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);
}
.btn--outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none;}
.btn--text{
  padding:0;background:none;color:var(--brand-1);font-weight:700;font-size:14.5px;
  display:inline-flex;align-items:center;gap:8px;
}
.btn--text::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);flex:none;
}
.btn--text:hover{gap:12px;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-3);margin-bottom:22px;
}
.crumbs a{color:var(--ink-3);transition:color var(--ease);}
.crumbs a:hover{color:var(--brand-1);}
.crumbs i{font-size:10px;color:#C9C3DA;}

/* ============ 页面头部 ============ */
.page-hero{
  padding:150px 0 80px;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(122,60,255,.13),transparent 62%),
    radial-gradient(760px 380px at 92% 4%,rgba(255,95,109,.12),transparent 60%),
    var(--bg);
}
.page-hero__grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.page-hero h1{font-size:40px;margin-bottom:18px;}
.page-hero__lead{font-size:17px;color:var(--ink-2);max-width:600px;margin-bottom:28px;}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.badges{display:flex;flex-wrap:wrap;gap:14px;}
.badge{
  flex:1 1 150px;min-width:140px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 18px;
  box-shadow:var(--sd-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.badge:hover{transform:translateY(-3px);box-shadow:var(--sd-2);}
.badge__num{
  font-size:32px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge__num small{font-size:15px;font-weight:800;-webkit-text-fill-color:var(--brand-1);}
.badge__label{font-size:12.5px;color:var(--ink-3);margin-top:4px;}
.page-hero__media{position:relative;}
.page-hero__media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);box-shadow:0 24px 60px rgba(23,18,42,.16);
  background:linear-gradient(120deg,#EFEAFB,#F8F0F3);
}
.float-card{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border-radius:var(--r-md);
  padding:14px 18px;box-shadow:0 18px 40px rgba(23,18,42,.16);
  display:flex;align-items:center;gap:12px;max-width:270px;
}
.float-card i{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-mint);color:var(--mint);font-size:16px;
}
.float-card b{display:block;font-size:14px;}
.float-card span{font-size:12.5px;color:var(--ink-3);}

/* ============ 筛选 + 卡片网格 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;
}
.filter-pill{
  border:1px solid var(--line);background:#fff;
  padding:9px 20px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
  transition:all var(--ease);
}
.filter-pill:hover{color:var(--brand-1);border-color:rgba(122,60,255,.4);transform:translateY(-2px);}
.filter-pill.is-active{
  color:#fff;background:var(--grad);border-color:transparent;
  box-shadow:0 10px 22px rgba(122,60,255,.26);
}
.card-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.acct-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 22px 22px;
  box-shadow:var(--sd-1);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.acct-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity var(--ease);
}
.acct-card:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:rgba(122,60,255,.24);}
.acct-card:hover::before{opacity:1;}
.acct-card__top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;color:var(--brand-1);
  background:var(--grad-soft);border-radius:999px;padding:4px 12px;
}
.tag--mint{color:#00897A;background:var(--grad-mint);}
.corner-num{
  font-size:12px;font-weight:800;color:#fff;
  background:var(--grad);border-radius:999px;padding:3px 10px;
  font-variant-numeric:tabular-nums;flex:none;
}
.acct-card h3{
  font-size:17px;font-weight:800;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:46px;
}
.acct-card p{
  font-size:14px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.acct-card__foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);}
.acct-card.is-hidden{display:none;}
.empty-state{
  display:none;text-align:center;
  border:1.5px dashed #D6CFEA;border-radius:var(--r-lg);
  padding:56px 24px;color:var(--ink-3);background:#fff;
}
.empty-state.is-show{display:block;}
.empty-state i{font-size:30px;color:#C4BAE0;display:block;margin-bottom:14px;}
.empty-state p{font-size:15px;margin-bottom:18px;color:var(--ink-2);}

/* ============ 安全状态带 ============ */
.band{
  position:relative;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(23,18,42,.82) 0%,rgba(60,26,120,.78) 52%,rgba(122,60,255,.62) 100%),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
  border-radius:var(--r-xl);
  padding:56px 48px;color:#fff;
}
.band__head{max-width:660px;margin-bottom:34px;}
.band__head h2{font-size:30px;margin-bottom:12px;}
.band__head p{color:rgba(255,255,255,.8);font-size:15.5px;}
.status-line{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:10px 20px;margin-bottom:30px;
  font-size:13.5px;color:rgba(255,255,255,.92);
}
.dot-live{
  width:9px;height:9px;border-radius:50%;background:var(--mint);flex:none;
  box-shadow:0 0 0 5px rgba(0,194,168,.22);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 5px rgba(0,194,168,.22);}50%{box-shadow:0 0 0 9px rgba(0,194,168,.06);}}
.feature-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.feature{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-lg);padding:22px 20px;
  transition:background var(--ease),transform var(--ease);
}
.feature:hover{background:rgba(255,255,255,.18);transform:translateY(-4px);}
.feature i{font-size:20px;color:#8FF3E4;margin-bottom:12px;display:block;}
.feature b{display:block;font-size:15.5px;margin-bottom:6px;}
.feature span{font-size:13.5px;color:rgba(255,255,255,.76);line-height:1.7;}

/* ============ 推荐 / 不建议 对照 ============ */
.compare{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.compare-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:32px 30px;
  box-shadow:var(--sd-1);
}
.compare-card--good{background:linear-gradient(160deg,rgba(0,194,168,.09),rgba(255,255,255,.9) 62%),#fff;border-color:rgba(0,194,168,.28);}
.compare-card--bad{background:linear-gradient(160deg,rgba(255,95,109,.08),rgba(255,255,255,.9) 62%),#fff;border-color:rgba(255,95,109,.22);}
.compare-card__head{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
.compare-card__head i{
  width:40px;height:40px;border-radius:14px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
}
.compare-card--good .compare-card__head i{background:linear-gradient(120deg,#00C2A8,#41DFC8);}
.compare-card--bad .compare-card__head i{background:linear-gradient(120deg,#FF5F6D,#FF9A8B);}
.compare-card__head b{font-size:19px;}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px solid var(--line);
  font-size:14.5px;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:none;}
.compare-list i{margin-top:6px;font-size:13px;flex:none;}
.compare-card--good .compare-list i{color:var(--mint);}
.compare-card--bad .compare-list i{color:#FF5F6D;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item[open]{box-shadow:var(--sd-2);border-color:rgba(122,60,255,.24);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;font-size:16.5px;font-weight:700;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-1);}
.faq-item summary .plus{
  width:30px;height:30px;border-radius:50%;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-soft);color:var(--brand-1);font-size:14px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-item__body{
  position:relative;
  padding:0 26px 24px 29px;font-size:15px;color:var(--ink-2);
  animation:fadeIn .28s ease;
}
.faq-item__body::before{
  content:"";position:absolute;left:26px;top:2px;bottom:24px;width:3px;
  border-radius:3px;background:var(--grad);
}
.faq-item__body p{padding-left:18px;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ CTA ============ */
.cta{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:58px 56px;color:#fff;
  display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center;
  box-shadow:0 26px 60px rgba(122,60,255,.28);
}
.cta::before,.cta::after{
  content:"";position:absolute;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta::before{width:320px;height:320px;top:-150px;right:-70px;}
.cta::after{width:200px;height:200px;bottom:-110px;left:-60px;background:rgba(255,255,255,.08);}
.cta__inner{position:relative;z-index:1;}
.cta h2{font-size:30px;margin-bottom:14px;}
.cta p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:560px;margin-bottom:26px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta__steps{
  position:relative;z-index:1;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.26);
  border-radius:var(--r-lg);padding:24px 24px;
}
.cta__steps li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14px;color:rgba(255,255,255,.94);
  padding:9px 0;
}
.cta__steps li i{margin-top:5px;color:#B9FFEF;font-size:13px;}

/* ============ 页脚 ============ */
.footer{
  background:#fff;border-top:1px solid var(--line);
  padding:72px 0 26px;margin-top:96px;
}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
}
.footer__brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;margin-bottom:14px;
}
.footer p{font-size:14px;color:var(--ink-2);line-height:1.85;}
.footer h4{font-size:15px;margin-bottom:16px;}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{
  font-size:14px;color:var(--ink-2);
  transition:color var(--ease),transform var(--ease);
  display:inline-block;
}
.footer__links a:hover{color:var(--brand-1);transform:translateX(2px);}
.footer__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1024px){
  .container{padding:0 28px;}
  .section{padding:76px 0;}
  .page-hero{padding:132px 0 64px;}
  .page-hero__grid{grid-template-columns:1fr;gap:38px;}
  .page-hero h1{font-size:34px;}
  .section-title{font-size:26px;}
  .feature-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta{grid-template-columns:1fr;padding:44px 36px;gap:30px;}
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .float-card{left:12px;bottom:14px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .dock{top:12px;}
  .dock__inner{
    width:calc(100% - 24px);border-radius:26px;
    padding:10px 12px;flex-wrap:wrap;gap:10px;
  }
  .dock__nav{order:3;width:100%;margin-left:0;padding-bottom:2px;}
  .nav-link{font-size:13.5px;padding:7px 12px;}
  .logo{font-size:14.5px;}
  .page-hero{padding:150px 0 52px;}
  .page-hero h1{font-size:28px;}
  .page-hero__lead{font-size:15.5px;}
  .section-title{font-size:24px;}
  .badge__num{font-size:28px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .feature-row{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .band{padding:36px 24px;border-radius:var(--r-lg);}
  .band__head h2{font-size:24px;}
  .cta{padding:36px 24px;border-radius:var(--r-lg);}
  .cta h2{font-size:24px;}
  .faq-item summary{padding:18px 18px;font-size:15.5px;}
  .faq-item__body{padding:0 18px 20px 21px;}
  .faq-item__body::before{left:18px;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .footer{padding:52px 0 22px;margin-top:64px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .page-hero__actions .btn{width:100%;}
  .cta__actions .btn{width:100%;}
  .badges .badge{flex:1 1 100%;}
  .acct-card h3{min-height:auto;}
}

/* roulang page: category3 */
:root{
  --brand-1:#7A3CFF;
  --brand-2:#FF5F6D;
  --grad:linear-gradient(120deg,#7A3CFF 0%,#FF5F6D 100%);
  --grad-soft:linear-gradient(120deg,rgba(122,60,255,.10),rgba(255,95,109,.10));
  --mint:#00C2A8;
  --amber:#FFB020;
  --bg:#F6F4FB;
  --card:#FFFFFF;
  --ink:#17122A;
  --ink-2:#4A4360;
  --ink-3:#8B85A0;
  --line:#E8E4F2;
  --r-xl:28px;
  --r-md:20px;
  --r-sm:16px;
  --shadow-1:0 8px 30px rgba(23,18,42,.08);
  --shadow-2:0 16px 40px rgba(122,60,255,.18);
  --shadow-dock:0 10px 30px rgba(23,18,42,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:130px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--white{background:#fff;}
.section-title{font-size:30px;margin-bottom:14px;}
.section-sub{color:var(--ink-2);font-size:16px;max-width:720px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.link-more{color:var(--brand-1);font-weight:600;font-size:15px;white-space:nowrap;}
.link-more:hover{color:var(--brand-2);}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;top:24px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;pointer-events:none;
}
.dock__inner{
  pointer-events:auto;
  width:min(1120px,calc(100% - 48px));
  min-height:68px;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(232,228,242,.9);
  border-radius:999px;
  box-shadow:var(--shadow-dock);
  transition:background .3s ease,box-shadow .3s ease;
}
.dock.is-scrolled .dock__inner{background:#fff;box-shadow:0 14px 34px rgba(23,18,42,.14);}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:16px;color:var(--ink);white-space:nowrap;
}
.logo__mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;flex:0 0 auto;
}
.dock__nav{
  display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:auto;
  overflow-x:auto;scrollbar-width:none;
}
.dock__nav::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(122,60,255,.08);}
.nav-link.is-active{color:var(--brand-1);font-weight:700;background:rgba(122,60,255,.10);}
.dock__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-size:16px;font-weight:700;line-height:1.2;
  border:2px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,opacity .25s ease;
}
.btn--primary{
  background-image:var(--grad);color:#fff;
  box-shadow:0 10px 24px rgba(122,60,255,.28);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(122,60,255,.34);}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(122,60,255,.3);}
.btn--ghost{
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  color:var(--ink);
}
.btn--ghost:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(23,18,42,.12);}
.btn--light{background:#fff;color:var(--ink);box-shadow:0 10px 24px rgba(23,18,42,.16);}
.btn--light:hover{transform:translateY(-2px);}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn--outline-light:hover{background:rgba(255,255,255,.14);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.6;pointer-events:none;filter:saturate(.6);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 80px;
  overflow:hidden;
  background:
    radial-gradient(720px 420px at 12% 8%,rgba(122,60,255,.14),transparent 70%),
    radial-gradient(620px 380px at 88% 0%,rgba(255,95,109,.12),transparent 72%),
    var(--bg);
}
.hero__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap;}
.crumb a:hover{color:var(--brand-1);}
.crumb span{color:var(--ink-3);}
.hero h1{font-size:40px;margin-bottom:18px;}
.hero__lead{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:28px;}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.badges{display:flex;gap:14px;flex-wrap:wrap;}
.badge{
  flex:1 1 150px;min-width:140px;
  background:linear-gradient(120deg,rgba(122,60,255,.09),rgba(255,95,109,.08));
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:16px 18px;
}
.badge__num{font-size:30px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1;}
.badge__num em{font-style:normal;font-size:15px;font-weight:700;color:var(--ink-2);margin-left:3px;}
.badge__label{font-size:12.5px;color:var(--ink-3);margin-top:6px;}
.hero__visual{position:relative;}
.hero__visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-2);
}
.float-card{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border-radius:var(--r-sm);
  padding:14px 20px;box-shadow:var(--shadow-1);
  border:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}
.float-card__num{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.float-card__label{font-size:12.5px;color:var(--ink-3);line-height:1.5;}

/* ---------- 状态条 ---------- */
.band{
  position:relative;
  padding:34px 0;
  background-image:var(--grad),url('/assets/images/backpic/back-2.png');
  background-size:cover,cover;
  background-position:center,center;
  background-repeat:no-repeat;
  color:#fff;
  overflow:hidden;
}
.band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;
  background:rgba(255,255,255,.14);filter:blur(6px);
}
.band__grid{display:flex;gap:18px;flex-wrap:wrap;position:relative;z-index:1;}
.status{
  flex:1 1 260px;
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  backdrop-filter:blur(6px);
}
.status__dot{width:10px;height:10px;border-radius:50%;background:#7BFFE0;box-shadow:0 0 0 4px rgba(123,255,224,.25);flex:0 0 auto;animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(123,255,224,.25);}50%{box-shadow:0 0 0 9px rgba(123,255,224,.06);}}
.status__text{font-size:14.5px;font-weight:600;}
.status__text small{display:block;font-size:12.5px;font-weight:400;opacity:.82;}

/* ---------- 人气排行 ---------- */
.rank{display:flex;flex-direction:column;gap:14px;}
.rank__head,.rank__row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) 130px 180px 60px;
  align-items:center;gap:18px;
}
.rank__head{padding:0 26px 6px;font-size:13px;color:var(--ink-3);letter-spacing:.02em;}
.rank__row{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 26px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rank__row:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:transparent;}
.rank__no{
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.rank__main h3{font-size:18px;margin-bottom:4px;}
.rank__main p{font-size:14px;color:var(--ink-2);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;line-height:1.6;
  background:rgba(122,60,255,.10);color:var(--brand-1);white-space:nowrap;
}
.tag--mint{background:rgba(0,194,168,.12);color:#008E7C;}
.tag--amber{background:rgba(255,176,32,.16);color:#A97100;}
.rank__bar{height:8px;border-radius:999px;background:var(--line);overflow:hidden;}
.rank__bar span{display:block;height:100%;border-radius:999px;background:var(--grad);}
.rank__val{font-size:15px;font-weight:800;color:var(--ink-2);font-variant-numeric:tabular-nums;text-align:right;}

/* ---------- 专区卡片 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card:hover::before{opacity:1;}
.card__cover{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-md);margin-bottom:20px;background:linear-gradient(120deg,rgba(122,60,255,.12),rgba(255,95,109,.10));
}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--ink-2);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);}
.card__metric{font-size:13px;color:var(--ink-3);}
.card__metric strong{font-size:18px;color:var(--ink);font-variant-numeric:tabular-nums;margin-right:4px;}

/* ---------- 数据带 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;text-align:left;box-shadow:var(--shadow-1);
}
.metric__num{font-size:34px;font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric__num em{font-style:normal;font-size:16px;margin-left:2px;}
.metric__label{font-size:13px;color:var(--ink-2);margin-top:8px;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding:8px 0 0;}
.timeline::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(122,60,255,.35),rgba(255,95,109,.35));
}
.tl{position:relative;width:50%;padding:0 56px 40px 0;}
.tl:nth-child(even){margin-left:50%;padding:0 0 40px 56px;}
.tl__node{
  position:absolute;top:24px;right:-21px;
  width:42px;height:42px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(122,60,255,.3);z-index:2;
}
.tl:nth-child(even) .tl__node{right:auto;left:-21px;}
.tl__card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tl__card h3{font-size:19px;margin-bottom:10px;}
.tl__card p{font-size:14.5px;color:var(--ink-2);}
.tl__meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:16px;max-width:920px;}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;position:relative;
  transition:box-shadow .25s ease;
}
.faq__item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:999px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.faq__item.is-open::before{opacity:1;}
.faq__item.is-open{box-shadow:var(--shadow-2);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 28px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
}
.faq__icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  background:var(--grad-soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform .3s ease,background .3s ease;
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq__a{max-height:0;opacity:0;overflow:hidden;transition:max-height .35s ease,opacity .3s ease;}
.faq__item.is-open .faq__a{max-height:340px;opacity:1;}
.faq__a p{padding:0 28px 24px;color:var(--ink-2);font-size:15px;}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background-image:var(--grad),url('/assets/images/backpic/back-3.webp');
  background-size:cover,cover;
  background-position:center,center;
  padding:56px;
  color:#fff;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  box-shadow:0 24px 60px rgba(122,60,255,.28);
}
.cta::before,.cta::after{
  content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.12);pointer-events:none;
}
.cta::before{width:320px;height:320px;right:-90px;top:-120px;}
.cta::after{width:220px;height:220px;left:-80px;bottom:-130px;}
.cta h2{font-size:30px;margin-bottom:14px;position:relative;z-index:1;}
.cta p{font-size:16px;opacity:.94;margin-bottom:28px;position:relative;z-index:1;max-width:520px;}
.cta__btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta__steps{
  position:relative;z-index:1;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-md);
  padding:26px;backdrop-filter:blur(6px);
}
.cta__steps h3{font-size:16px;margin-bottom:16px;}
.cta__steps li{display:flex;gap:12px;font-size:14.5px;padding:8px 0;align-items:flex-start;}
.cta__steps li i{color:#7BFFE0;margin-top:6px;font-size:13px;}

/* ---------- 页脚 ---------- */
.footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:96px;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer__brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer p{font-size:14px;color:var(--ink-2);max-width:340px;}
.footer h4{font-size:15px;margin-bottom:16px;}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{font-size:14px;color:var(--ink-2);transition:color .2s ease,transform .2s ease;}
.footer__links a:hover{color:var(--brand-1);transform:translateX(2px);}
.footer__bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 32px;}
}
@media (max-width:1024px){
  .hero{padding:132px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:32px;}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta{grid-template-columns:1fr;padding:44px;}
  .footer__grid{grid-template-columns:1fr 1fr;}
  .dock__nav{gap:0;}
  .rank__head{display:none;}
  .rank__row{grid-template-columns:48px minmax(0,1fr) 60px;row-gap:12px;}
  .rank__row .tag{grid-column:2 / span 2;}
  .rank__bar{grid-column:2 / span 2;}
  .rank__val{grid-column:3;grid-row:1;text-align:right;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .section-title{font-size:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .dock{top:14px;}
  .dock__inner{width:calc(100% - 28px);padding:8px 10px;gap:10px;border-radius:28px;}
  .logo{font-size:14px;}
  .dock__nav{
    order:3;width:100%;margin:0;padding:6px 2px 2px;
    border-top:1px solid var(--line);
  }
  .dock__inner{flex-wrap:wrap;border-radius:26px;}
  .nav-link{padding:7px 11px;font-size:13.5px;}
  .btn--sm{padding:8px 14px;font-size:13px;}
  .hero{padding:170px 0 56px;}
  .hero h1{font-size:26px;}
  .hero__lead{font-size:15.5px;}
  .btn{padding:12px 22px;font-size:15px;}
  .badge__num{font-size:24px;}
  .float-card{left:10px;bottom:12px;padding:10px 14px;}
  .grid-cards{grid-template-columns:1fr;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .metric__num{font-size:26px;}
  .timeline::before{left:14px;transform:none;}
  .tl,.tl:nth-child(even){width:100%;margin-left:0;padding:0 0 28px 52px;}
  .tl__node,.tl:nth-child(even) .tl__node{left:-1px;right:auto;width:34px;height:34px;font-size:13px;top:20px;}
  .faq__q{padding:18px 20px;font-size:16px;}
  .faq__a p{padding:0 20px 20px;}
  .cta{padding:32px 24px;gap:32px;}
  .cta h2{font-size:24px;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .footer{margin-top:56px;padding:48px 0 24px;}
}
@media (max-width:480px){
  .hero h1{font-size:23px;}
  .badges{flex-direction:column;}
  .metrics{grid-template-columns:1fr;}
  .rank__row{padding:16px 18px;}
  .rank__main h3{font-size:16px;}
  .cta__btns .btn{width:100%;}
}

/* roulang page: category4 */
:root{
  --brand-1:#7A3CFF;
  --brand-2:#FF5F6D;
  --grad:linear-gradient(120deg,#7A3CFF 0%,#FF5F6D 100%);
  --grad-soft:linear-gradient(120deg,rgba(122,60,255,.10),rgba(255,95,109,.10));
  --mint:#00C2A8;
  --amber:#FFB020;
  --bg:#F6F4FB;
  --card:#FFFFFF;
  --ink:#17122A;
  --ink-2:#4A4360;
  --ink-3:#8B85A0;
  --line:#E8E4F2;
  --r-xl:28px;
  --r-lg:22px;
  --r-md:20px;
  --r-sm:16px;
  --r-pill:999px;
  --sh-1:0 8px 30px rgba(23,18,42,.08);
  --sh-2:0 16px 40px rgba(122,60,255,.18);
  --sh-dock:0 10px 30px rgba(23,18,42,.10);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  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{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--white{background:#fff}
.section-head{max-width:820px;margin-bottom:44px}
.section-head--row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;max-width:none}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-1);
  background:var(--grad-soft);border-radius:var(--r-pill);
  padding:6px 16px;margin-bottom:16px;
}
.eyebrow i{font-size:12px}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:20px}
.lead{font-size:17px;color:var(--ink-2);margin-top:16px}
.muted{color:var(--ink-3);font-size:14px}

/* ---------- Dock 导航 ---------- */
.dock{position:fixed;top:24px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 24px;pointer-events:none}
.dock__inner{
  pointer-events:auto;
  width:min(1120px,100%);
  min-height:68px;
  display:flex;align-items:center;gap:20px;
  padding:0 18px 0 20px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(232,228,242,.95);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:background .3s ease,box-shadow .3s ease;
}
.dock.is-solid{background:#fff;box-shadow:0 14px 36px rgba(23,18,42,.14)}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16px;white-space:nowrap;color:var(--ink)}
.logo__mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;
  box-shadow:0 6px 16px rgba(122,60,255,.32);
  flex:0 0 auto;
}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-link{
  position:relative;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  padding:9px 14px;border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .22s ease,background .22s ease,transform .22s ease;
}
.nav-link:hover{color:var(--brand-1);background:rgba(122,60,255,.07)}
.nav-link.is-active{color:#fff;background:var(--grad);box-shadow:0 8px 20px rgba(122,60,255,.26)}
.nav-link:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px}
.dock__actions{display:flex;align-items:center;gap:10px;margin-left:8px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:700;font-size:15px;
  padding:14px 28px;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  border:1.5px solid transparent;
}
.btn i{font-size:14px}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(122,60,255,.28)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(122,60,255,.36)}
.btn--primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(122,60,255,.3)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{transform:translateY(-2px);border-color:rgba(122,60,255,.45);color:var(--brand-1);box-shadow:0 12px 28px rgba(23,18,42,.08)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(23,18,42,.22)}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.62);color:#fff}
.btn--outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn--sm{padding:10px 20px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--brand-1)}
.text-link::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;transition:transform .25s ease}
.text-link:hover::after{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:18px}
.crumb a{color:var(--ink-3);transition:color .2s ease}
.crumb a:hover{color:var(--brand-1)}
.crumb span.sep{opacity:.55}
.crumb .now{color:var(--brand-1);font-weight:700}

/* ---------- Hero ---------- */
.hero{position:relative;padding:148px 0 76px;overflow:hidden}
.hero__bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.13;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 55%,transparent 92%);
  mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 55%,transparent 92%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{font-size:40px;line-height:1.32}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__media{position:relative}
.hero__media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);
  box-shadow:0 24px 60px rgba(23,18,42,.16);
  background:linear-gradient(135deg,#EDE8FB,#F6F4FB);
}
.hero__float{
  position:absolute;left:-18px;bottom:-24px;
  background:#fff;border-radius:var(--r-md);
  padding:16px 22px;box-shadow:var(--sh-2);
  border:1px solid var(--line);
  display:flex;align-items:center;gap:14px;
}
.hero__float .num{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__float .txt{font-size:12.5px;color:var(--ink-3);line-height:1.5}

/* 数据徽章 */
.badges{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.badge{
  flex:1 1 150px;min-width:140px;
  background:var(--grad-soft);
  border:1px solid rgba(122,60,255,.12);
  border-radius:var(--r-sm);
  padding:16px 18px;
}
.badge__num{font-size:30px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--brand-1)}
.badge__txt{font-size:12.5px;color:var(--ink-2);margin-top:2px}

/* 状态条 */
.status-band{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:14px 26px;box-shadow:var(--sh-1);
  margin-top:34px;
}
.status-band .sb-title{font-size:13.5px;font-weight:800;color:var(--ink)}
.status-pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(0,194,168,.14)}
.dot--amber{background:var(--amber);box-shadow:0 0 0 4px rgba(255,176,32,.16)}

/* ---------- 清单区 ---------- */
.spec{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);padding:10px 34px}
.spec__row{display:grid;grid-template-columns:300px 1fr;gap:32px;padding:26px 0;border-bottom:1px solid var(--line)}
.spec__row:last-child{border-bottom:0}
.spec__name{display:flex;align-items:flex-start;gap:12px;font-weight:800;font-size:16.5px;color:var(--ink)}
.spec__name span.tag{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  background:var(--grad);color:#fff;font-size:12px;
  display:grid;place-items:center;margin-top:4px;
}
.spec__desc{font-size:15px;color:var(--ink-2)}
.spec__desc strong{color:var(--ink)}

/* ---------- 对比区 ---------- */
.compare{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);overflow:hidden;
}
.compare__scroll{overflow-x:auto}
.compare__grid{display:grid;grid-template-columns:1.05fr 1fr 1fr 1fr;min-width:820px}
.compare__cell{padding:20px 24px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.compare__cell:not(:first-child){border-left:1px solid var(--line)}
.compare__cell--head{background:#FBF9FF;font-weight:800;color:var(--ink);font-size:14px;letter-spacing:.2px}
.compare__cell--key{font-weight:800;color:var(--ink);background:#FDFCFF}
.compare__grid > .compare__cell:nth-last-child(-n+4){border-bottom:0}
.compare__cell .good{color:var(--mint);font-weight:700}
.compare__cell .warn{color:var(--amber);font-weight:700}

/* ---------- 节奏卡 ---------- */
.rhythm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.rhythm-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rhythm-card::before{
  content:"";display:block;height:3px;width:46px;border-radius:3px;
  background:var(--grad);margin-bottom:16px;opacity:.9;
}
.rhythm-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(122,60,255,.28)}
.rhythm-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);background:linear-gradient(135deg,#EDE8FB,#F6F4FB);margin-bottom:18px}
.rhythm-card h3{font-size:18px;margin-bottom:8px}
.rhythm-card p{font-size:14.5px;color:var(--ink-2)}
.rhythm-card .chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;color:var(--brand-1);
  background:rgba(122,60,255,.09);border-radius:var(--r-pill);
  padding:4px 12px;margin-top:14px;
}

/* ---------- FAQ ---------- */
.faq{max-width:960px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;
  transition:box-shadow .28s ease,border-color .28s ease;
}
.faq-item:hover{box-shadow:0 12px 32px rgba(23,18,42,.10)}
.faq-item.is-open{border-color:rgba(122,60,255,.3);box-shadow:0 14px 36px rgba(122,60,255,.14)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:16.5px;font-weight:800;color:var(--ink);
}
.faq-q:focus-visible{outline:2px solid var(--brand-1);outline-offset:-3px}
.faq-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(122,60,255,.10);color:var(--brand-1);font-size:14px;
  transition:transform .32s ease,background .32s ease,color .32s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a__inner{
  position:relative;
  padding:0 26px 24px 26px;margin-left:26px;
  font-size:15px;color:var(--ink-2);border-left:0;
}
.faq-item.is-open .faq-a__inner::before{
  content:"";position:absolute;left:-26px;top:4px;bottom:26px;width:3px;border-radius:3px;
  background:var(--grad);
}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px}
.cta{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:56px 56px;
  color:#fff;
  box-shadow:0 26px 60px rgba(122,60,255,.30);
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
.cta::before,.cta::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.14);pointer-events:none}
.cta::before{width:280px;height:280px;right:-70px;top:-110px}
.cta::after{width:200px;height:200px;right:120px;bottom:-130px;background:rgba(255,255,255,.10)}
.cta__body{position:relative;z-index:2}
.cta h2{font-size:30px;color:#fff}
.cta p{margin-top:14px;color:rgba(255,255,255,.9);font-size:16px;max-width:560px}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta__steps{position:relative;z-index:2;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:var(--r-lg);padding:26px 26px}
.cta__steps h3{font-size:16px;color:#fff;margin-bottom:16px}
.cta__steps li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.94);padding:8px 0}
.cta__steps li i{color:#fff;font-size:13px;margin-top:6px}

/* ---------- 页脚 ---------- */
.footer{background:#fff;border-top:1px solid var(--line);padding:72px 0 32px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer__brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:16px}
.footer h4{font-size:15px;margin-bottom:16px;color:var(--ink)}
.footer p{font-size:14px;color:var(--ink-2);max-width:340px}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__links a{font-size:14px;color:var(--ink-2);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer__links a:hover{color:var(--brand-1);transform:translateX(2px)}
.footer__bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .rhythm-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .container{padding:0 32px}
  .section{padding:76px 0}
  .hero{padding:132px 0 60px}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  h2{font-size:26px}
  .cta{grid-template-columns:1fr;padding:44px 36px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .spec__row{grid-template-columns:240px 1fr;gap:24px}
}
@media (max-width:768px){
  body{font-size:15.5px;line-height:1.8}
  .container{padding:0 20px}
  .section,.section--tight{padding:56px 0}
  .dock{top:12px;padding:0 14px}
  .dock__inner{
    flex-wrap:wrap;gap:12px;padding:10px 14px;border-radius:26px;
    min-height:0;
  }
  .dock__nav{
    order:3;width:100%;margin-left:0;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    padding-bottom:4px;gap:6px;
    scrollbar-width:none;
  }
  .dock__nav::-webkit-scrollbar{display:none}
  .nav-link{font-size:13.5px;padding:8px 12px}
  .dock__actions{margin-left:auto}
  .hero{padding:172px 0 52px}
  .hero h1{font-size:29px}
  h2{font-size:23px}
  h3{font-size:18px}
  .hero__float{left:8px;bottom:-18px;padding:12px 16px}
  .hero__float .num{font-size:22px}
  .badges{gap:12px}
  .badge{flex:1 1 calc(50% - 12px)}
  .badge__num{font-size:26px}
  .status-band{border-radius:var(--r-lg);padding:14px 18px}
  .spec{padding:6px 22px}
  .spec__row{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .spec__name{font-size:16px}
  .rhythm-grid{grid-template-columns:1fr;gap:18px}
  .faq-q{font-size:15.5px;padding:18px 20px}
  .faq-a__inner{margin-left:20px;padding:0 20px 20px 20px}
  .faq-item.is-open .faq-a__inner::before{left:-20px}
  .cta{padding:34px 24px;border-radius:22px}
  .cta h2{font-size:24px}
  .cta__actions .btn{width:100%}
  .cta__steps{padding:20px}
  .cta-wrap{padding:0 0 56px}
  .footer{padding:56px 0 26px}
  .footer__grid{grid-template-columns:1fr;gap:30px}
  .footer__bottom{flex-direction:column;margin-top:36px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero__actions{gap:10px}
  .hero__actions .btn{width:100%}
  .spec{padding:4px 18px}
  .badge{flex:1 1 100%}
}