/* roulang page: index */
:root{
  --c-primary:#5B3DF5;
  --c-primary-deep:#2A1878;
  --c-primary-soft:#EFEBFF;
  --c-accent:#FF6B3D;
  --c-accent-2:#FF8A5C;
  --c-signal:#22E0B8;
  --c-badge:#FFC24B;
  --c-night:#0D0824;
  --c-ink:#171233;
  --c-ink-2:#4A4468;
  --c-ink-3:#7C7699;
  --c-line:#E7E2FB;
  --c-card:#FFFFFF;
  --c-bg:#F7F5FF;
  --r-card:24px;
  --r-card-md:18px;
  --r-card-sm:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 8px 24px rgba(29,18,84,.07);
  --sh-2:0 14px 34px rgba(29,18,84,.14);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
  padding-bottom:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .22s,background-color .22s,border-color .22s}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:2px solid var(--c-signal);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding-top:var(--sp-section);padding-bottom:var(--sp-section)}
.section--tight{padding-top:64px;padding-bottom:64px}
.nums{font-variant-numeric:tabular-nums;font-family:"DIN Alternate","Barlow","PingFang SC",system-ui,sans-serif}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:999px;padding:7px 16px;
}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head h2{
  font-size:clamp(24px,2.6vw,36px);line-height:1.28;font-weight:700;
  letter-spacing:-.01em;position:relative;padding-left:20px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.36em;
  width:6px;height:20px;border-radius:3px;background:var(--c-signal);
}
.sec-head p{margin-top:14px;color:var(--c-ink-2);font-size:16px;max-width:640px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center h2{padding-left:0}
.sec-head--center h2::before{display:none}
.sec-head--center h2::after{
  content:"";display:block;width:40px;height:4px;border-radius:2px;
  background:var(--c-signal);margin:16px auto 0;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .25s,box-shadow .25s,background-color .25s,color .25s,border-color .25s;
}
.btn i{font-size:14px}
.btn--sm{padding:11px 20px;font-size:14.5px}
.btn--primary{background-image:linear-gradient(135deg,var(--c-accent),var(--c-accent-2));color:#fff;box-shadow:0 8px 20px rgba(255,107,61,.28)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,61,.34)}
.btn--primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,61,.24)}
.btn--outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn--outline:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn--outline:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{background:rgba(255,255,255,.13);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  color:var(--c-primary);padding-bottom:2px;
  border-bottom:2px solid var(--c-signal);box-shadow:0 4px 0 -2px var(--c-signal);
}
.link-arrow i{transition:transform .25s}
.link-arrow:hover i{transform:translateX(4px)}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 10px;border-radius:6px;background:var(--c-primary-soft);color:var(--c-primary);
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding-top:18px;
  transition:padding .3s,background-color .3s,box-shadow .3s;
}
.site-header .container{padding-left:24px;padding-right:24px}
.nav-pill{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:10px 14px 10px 18px;border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:background-color .3s,border-color .3s,box-shadow .3s;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand__mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background-image:linear-gradient(135deg,var(--c-primary),var(--c-signal));
  color:#fff;font-size:14px;box-shadow:0 6px 16px rgba(91,61,245,.4);
}
.brand__text{font-size:17.5px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;color:rgba(255,255,255,.86);font-size:15px;font-weight:600;
  padding:4px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:-4px;height:2px;width:0;
  background:var(--c-signal);transform:translateX(-50%);
  transition:width .25s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.is-active::after{width:100%}
.nav-links a.is-active{color:#fff}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-actions .link-arrow{color:#fff;border-bottom-color:var(--c-signal);box-shadow:none}
.nav-actions .link-arrow:hover{color:var(--c-signal)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.site-header.is-scrolled{padding-top:10px;background:rgba(247,245,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--c-line),0 8px 24px rgba(29,18,84,.06)}
.site-header.is-scrolled .nav-pill{background:#fff;border-color:var(--c-line);box-shadow:var(--sh-1)}
.site-header.is-scrolled .brand{color:var(--c-ink)}
.site-header.is-scrolled .brand__text{color:var(--c-ink)}
.site-header.is-scrolled .nav-links a{color:var(--c-ink-2)}
.site-header.is-scrolled .nav-links a:hover,.site-header.is-scrolled .nav-links a.is-active{color:var(--c-primary)}
.site-header.is-scrolled .nav-toggle{background:var(--c-primary-soft);border-color:var(--c-line);color:var(--c-primary)}

/* ============ Hero ============ */
.hero-wrap{padding:0 16px}
.hero{
  position:relative;border-radius:28px;overflow:hidden;background:var(--c-night);
  isolation:isolate;
}
.hero__bg{position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,8,36,.95) 0%,rgba(13,8,36,.8) 46%,rgba(42,24,120,.55) 100%)}
.hero__glow{position:absolute;z-index:-1;border-radius:50%;pointer-events:none;filter:blur(4px)}
.hero__glow--a{width:520px;height:520px;top:-180px;right:-90px;background:radial-gradient(circle,rgba(91,61,245,.34),rgba(91,61,245,0) 70%)}
.hero__glow--b{width:420px;height:420px;bottom:-200px;left:-120px;background:radial-gradient(circle,rgba(34,224,184,.22),rgba(34,224,184,0) 70%)}
.hero__inner{padding:158px 0 84px}
.hero h1{
  font-size:clamp(30px,4.4vw,56px);line-height:1.15;font-weight:700;
  letter-spacing:-.01em;color:#fff;margin:22px 0 20px;max-width:15em;
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:#D8CFFF;
  background:rgba(91,61,245,.24);border:1px solid rgba(255,194,75,.35);
  border-radius:999px;padding:8px 16px;
}
.hero__eyebrow i{color:var(--c-signal)}
.hero__sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);max-width:34em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.badge-stat{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:999px;
  background:rgba(91,61,245,.22);border:1px solid rgba(255,194,75,.45);
  color:#fff;
}
.badge-stat i{color:var(--c-signal);font-size:15px}
.badge-stat__num{font-size:19px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.badge-stat__label{font-size:13px;color:rgba(255,255,255,.78)}
.hero__panel{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:26px;backdrop-filter:blur(10px);
}
.hero__panel h2{font-size:17px;font-weight:700;color:#fff;margin-bottom:18px}
.hero__panel ul{display:flex;flex-direction:column;gap:14px}
.hero__panel li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.8)}
.hero__panel li i{color:var(--c-signal);font-size:15px;margin-top:4px;flex-shrink:0}
.hero__panel .hero__panel-foot{
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ============ 卖点三连 ============ */
.feature-grid{row-gap:28px}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DAD2FA}
.card__media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-soft)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:24px 26px 26px}
.card__body h3{font-size:20px;line-height:1.45;font-weight:600;margin-bottom:12px}
.card__body p{font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.card__body .link-arrow{margin-top:18px}
.card--major .card__media{aspect-ratio:4/3}
.card--major .card__body h3{font-size:23px}
.card--small .card__body{padding:22px 24px 24px}
.card--small .card__body h3{font-size:18px}
.offset-up{transform:translateY(-26px)}
.offset-up:hover{transform:translateY(-30px)}
.offset-down{transform:translateY(20px)}
.offset-down:hover{transform:translateY(16px)}
.feature-side{display:flex;flex-direction:column;gap:28px}
.icon-line{
  width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:18px;margin-bottom:16px;
}
.icon-line--signal{background:rgba(34,224,184,.14);color:#0FA98A}

/* ============ 场景演示 ============ */
.scene{row-gap:40px;align-items:center}
.scene + .scene{margin-top:80px}
.scene__media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);aspect-ratio:16/9;background:var(--c-primary-soft)}
.scene__media img{width:100%;height:100%;object-fit:cover}
.scene__caption{margin-top:12px;font-size:13px;color:var(--c-ink-3);text-align:center}
.scene__body h2{font-size:clamp(22px,2.3vw,30px);line-height:1.35;font-weight:700;margin-bottom:18px}
.scene__body p{font-size:15.5px;line-height:1.85;color:var(--c-ink-2);margin-bottom:14px;max-width:36em}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--c-ink-2)}
.check-list li i{color:var(--c-signal);font-size:15px;margin-top:5px;flex-shrink:0}

/* ============ 社会认同 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--c-line);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.stat-strip__item{background:#fff;padding:30px 24px;text-align:center}
.stat-strip__num{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-strip__label{margin-top:10px;font-size:14px;color:var(--c-ink-2);line-height:1.6}
.partner-row{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:32px}
.partner-chip{
  display:flex;align-items:center;justify-content:center;
  padding:18px 10px;border-radius:var(--r-card-sm);
  background:#fff;border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-ink-3);letter-spacing:.02em;
  transition:color .25s,border-color .25s,transform .25s;
}
.partner-chip:hover{color:var(--c-primary);border-color:#D3C9FA;transform:translateY(-2px)}
.voice-grid{row-gap:24px;margin-top:52px}
.voice{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:20px;
  transition:transform .25s,box-shadow .25s;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.voice__quote{font-size:15.5px;line-height:1.8;color:var(--c-ink)}
.voice__quote::before{content:"“";color:var(--c-primary);font-size:26px;line-height:0;vertical-align:-6px;margin-right:2px}
.voice__who{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--c-line)}
.voice__avatar{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),#8A73FF);color:#fff;font-size:15px;
}
.voice__meta strong{display:block;font-size:14.5px;color:var(--c-ink);font-weight:600}
.voice__meta span{font-size:13px;color:var(--c-ink-3)}

/* ============ 资讯列表 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.news-head .sec-head{margin-bottom:0}
.news-grid{row-gap:26px}
.news-card{
  height:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DAD2FA}
.news-card__link{display:flex;flex-direction:column;height:100%;color:inherit}
.news-card__link:hover{color:inherit}
.news-card__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-card__thumb img{transform:scale(1.03)}
.news-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-card__meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.news-card__time{font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.news-card__title{
  font-size:19px;line-height:1.45;font-weight:600;color:var(--c-ink);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__excerpt{
  font-size:14.5px;line-height:1.75;color:var(--c-ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__more{margin-top:auto;font-size:14.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.news-card--feature .news-card__link{flex-direction:row}
.news-card--feature .news-card__thumb{width:44%;flex-shrink:0;aspect-ratio:auto;min-height:230px}
.news-card--feature .news-card__title{font-size:22px;-webkit-line-clamp:2}
.news-card--feature .news-card__excerpt{-webkit-line-clamp:3}
.empty-state{
  background:#fff;border:1px dashed #D3C9FA;border-radius:var(--r-card);
  padding:56px 26px;text-align:center;
}
.empty-state i{font-size:34px;color:#C4B8F7}
.empty-state p{margin:16px 0 22px;font-size:15px;color:var(--c-ink-2)}

/* ============ FAQ ============ */
.faq-accordion{border:0;background:transparent;margin:0;max-width:900px}
.faq-accordion .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-card-md);
  background:#fff;margin-bottom:14px;box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .25s,box-shadow .25s,background-color .25s;
}
.faq-accordion .accordion-item:hover{border-color:#D3C9FA}
.faq-accordion .accordion-item.is-active{border-color:var(--c-primary);background:var(--c-primary-soft);box-shadow:var(--sh-2)}
.faq-accordion .accordion-title{
  border:0;padding:20px 60px 20px 24px;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);
  background:transparent;
}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-primary);
  margin:0;transition:transform .3s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-content{padding:0 24px 22px;border:0;background:transparent;color:var(--c-ink-2);font-size:15px;line-height:1.8}
.faq-accordion .accordion-content p + p{margin-top:10px}

/* ============ 底部 CTA ============ */
.cta-box{
  position:relative;overflow:hidden;border-radius:28px;background:var(--c-night);
  padding:72px 56px;isolation:isolate;
}
.cta-box__bg{position:absolute;inset:0;z-index:-2;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.34}
.cta-box__glow{position:absolute;z-index:-1;border-radius:50%;pointer-events:none}
.cta-box__glow--a{width:460px;height:460px;top:-200px;right:-80px;background:radial-gradient(circle,rgba(91,61,245,.42),rgba(91,61,245,0) 70%)}
.cta-box__glow--b{width:360px;height:360px;bottom:-180px;left:-60px;background:radial-gradient(circle,rgba(34,224,184,.24),rgba(34,224,184,0) 70%)}
.cta-box h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;color:#fff;max-width:22em}
.cta-box p{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.74);max-width:44em}
.cta-box__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-night);color:rgba(255,255,255,.66);margin-top:var(--sp-section);padding-top:72px}
.footer-grid{row-gap:40px;padding-bottom:56px}
.footer-brand .brand{color:#fff}
.footer-brand .brand__text{color:#fff}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:28em}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px}
.footer-col a:hover{color:var(--c-signal)}
.footer-contact li{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-contact i{color:var(--c-signal);margin-right:8px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 30px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 固定转化条 ============ */
.sticky-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:18px;
  padding:14px 16px 14px 22px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);
  max-width:520px;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.sticky-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.sticky-cta__text{font-size:13.5px;line-height:1.6;color:var(--c-ink-2);margin:0}
.sticky-cta__close{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-3);
  cursor:pointer;font-size:13px;display:inline-flex;align-items:center;justify-content:center;
  transition:color .2s,border-color .2s,background-color .2s;
}
.sticky-cta__close:hover{color:var(--c-ink);border-color:#D3C9FA;background:var(--c-primary-soft)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero__inner{padding:148px 0 76px}
  .section{padding-top:84px;padding-bottom:84px}
}
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;border-radius:22px;
    background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-links a{color:var(--c-ink-2)!important;padding:13px 16px;border-radius:12px;font-size:15.5px}
  .nav-links a::after{display:none}
  .nav-links a:hover,.nav-links a.is-active{background:var(--c-primary-soft);color:var(--c-primary)!important}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn{display:none}
  .hero__inner{padding:132px 0 68px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .partner-row{grid-template-columns:repeat(3,1fr)}
  .offset-up,.offset-down{transform:none}
  .offset-up:hover,.offset-down:hover{transform:translateY(-4px)}
  .card--major .card__media{aspect-ratio:16/9}
  .news-card--feature .news-card__link{flex-direction:column}
  .news-card--feature .news-card__thumb{width:100%;min-height:0;aspect-ratio:16/9}
  .cta-box{padding:56px 36px}
  .section{padding-top:64px;padding-bottom:64px}
}
@media (max-width:639px){
  .container{padding-left:18px;padding-right:18px}
  .site-header{padding-top:12px}
  .site-header .container{padding-left:14px;padding-right:14px}
  .nav-pill{padding:8px 10px 8px 12px;gap:12px}
  .brand__text{font-size:15px}
  .brand__mark{width:30px;height:30px;font-size:12px;border-radius:10px}
  .hero-wrap{padding:0 10px}
  .hero{border-radius:22px}
  .hero__inner{padding:118px 0 56px}
  .hero h1{font-size:clamp(26px,8vw,34px)}
  .hero__sub{font-size:15.5px}
  .hero__actions .btn{flex:1 1 100%}
  .badge-stat{padding:9px 14px}
  .badge-stat__num{font-size:17px}
  .badge-stat__label{font-size:12.5px}
  .hero__panel{padding:20px;margin-top:32px}
  .section{padding-top:48px;padding-bottom:48px}
  .sec-head{margin-bottom:32px}
  .stat-strip{grid-template-columns:1fr}
  .stat-strip__item{padding:24px 18px}
  .partner-row{grid-template-columns:repeat(2,1fr)}
  .cta-box{padding:42px 24px;border-radius:22px}
  .cta-box__actions .btn{flex:1 1 100%}
  .faq-accordion .accordion-title{font-size:15.5px;padding:18px 52px 18px 18px}
  .faq-accordion .accordion-title::before{right:18px}
  .faq-accordion .accordion-content{padding:0 18px 20px}
  .card__body{padding:20px}
  .news-card__body{padding:20px}
  .footer-bottom{flex-direction:column}
  .sticky-cta{
    right:0;left:0;bottom:0;max-width:none;border-radius:0;
    border-left:0;border-right:0;border-bottom:0;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
    gap:10px;transform:translateY(100%);
  }
  .sticky-cta.is-visible{transform:translateY(0)}
  .sticky-cta__text{flex:1;font-size:12.5px;line-height:1.45}
  .sticky-cta .btn{flex:0 0 auto;padding:12px 16px;font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .card:hover,.news-card:hover,.voice:hover,.partner-chip:hover,.btn:hover{transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#5B3DF5;
  --c-primary-deep:#2A1878;
  --c-primary-soft:#EFEBFF;
  --c-accent:#FF6B3D;
  --c-accent-2:#FF8A5C;
  --c-signal:#22E0B8;
  --c-badge:#FFC24B;
  --c-night:#0D0824;
  --c-ink:#171233;
  --c-ink-2:#4A4468;
  --c-ink-3:#7C7699;
  --c-line:#E7E2FB;
  --c-bg:#F7F5FF;
  --c-card:#FFFFFF;
  --r-hero:28px;
  --r-card:24px;
  --r-card-sm:18px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 8px 24px rgba(29,18,84,.07);
  --sh-2:0 14px 34px rgba(29,18,84,.14);
  --sp-section:96px;
  --font-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --font-num:"DIN Alternate","Barlow","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;padding:0;font-family:inherit;color:inherit}
ul,ol{list-style-position:inside}
h1,h2,h3,h4{font-weight:700;line-height:1.3}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--c-signal);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section--tight{padding:64px 0}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  padding:15px 0;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header,.site-header{--nav-fg:#FFFFFF;--nav-hover:#22E0B8}
.site-header.is-scrolled,body.page-inner .site-header{
  --nav-fg:#171233;
  --nav-hover:#5B3DF5;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.nav-pill{display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:34px;height:34px;border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:grid;place-items:center;font-size:14px;
  box-shadow:0 6px 16px rgba(91,61,245,.32);
}
.brand__text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--nav-fg);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;font-weight:600;
  color:var(--nav-fg);opacity:.86;border-radius:10px;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;
  background:var(--c-signal);border-radius:2px;transition:left .25s ease,right .25s ease;
}
.nav-links a:hover{opacity:1;color:var(--nav-hover)}
.nav-links a:hover::after{left:12px;right:12px}
.nav-links a.is-active{opacity:1;color:var(--nav-hover)}
.nav-links a.is-active::after{left:12px;right:12px}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--nav-fg);opacity:.9;
}
.link-arrow i{font-size:12px;transition:transform .2s ease}
.link-arrow:hover{opacity:1;color:var(--nav-hover)}
.link-arrow:hover i{transform:translateX(3px)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.14);
  color:var(--nav-fg);cursor:pointer;
}
body.page-inner .nav-toggle,.site-header.is-scrolled .nav-toggle{border-color:var(--c-line);background:#fff}
body.nav-open{overflow:hidden}
body.nav-open::after{
  content:"";position:fixed;inset:0;background:rgba(13,8,36,.45);z-index:70;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  border-radius:var(--r-btn);padding:14px 28px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn i{font-size:13px}
.btn--primary{background:linear-gradient(135deg,var(--c-accent),var(--c-accent-2));color:#fff;box-shadow:0 10px 22px rgba(255,107,61,.28)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,107,61,.34);color:#fff}
.btn--primary:active{transform:translateY(0)}
.btn--outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn--outline:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn--sm{padding:11px 20px;font-size:14px}
.btn--block{width:100%}

/* ---------- tag / badge ---------- */
.tag{
  display:inline-block;background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:6px;line-height:1.5;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(239,235,255,.75);border:1px solid rgba(255,194,75,.55);
  font-size:13.5px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;
}
.badge i{color:var(--c-primary);font-size:12px}
.badge strong{font-family:var(--font-num);font-size:16px;color:var(--c-primary-deep)}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:118px 0 46px;
  background:linear-gradient(165deg,#F1ECFF 0%,#F9F7FF 55%,#EDFAF6 100%);
  border-bottom:1px solid var(--c-line);
}
.article-hero::before{
  content:"";position:absolute;width:440px;height:440px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.18),transparent 70%);
}
.article-hero::after{
  content:"";position:absolute;width:340px;height:340px;left:-120px;bottom:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.18),transparent 70%);
}
.article-hero .container{position:relative;z-index:1}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:14px;
}
.crumbs a{color:var(--c-ink-2);font-weight:500}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#C7C1E4}
.article-title{
  font-size:clamp(26px,3.4vw,40px);line-height:1.26;font-weight:800;
  letter-spacing:-.01em;color:var(--c-ink);margin:14px 0 18px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;
  font-size:14px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--c-signal);font-size:13px}
.article-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  font-size:13.5px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.chip-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.chip-btn.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- layout ---------- */
.article-layout{padding-top:48px;padding-bottom:24px}
.article-col{padding-bottom:8px}
.side-col{padding-bottom:8px}
.side-inner>*+*{margin-top:22px}

/* ---------- prose ---------- */
.prose{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:38px 42px;box-shadow:var(--sh-1);
}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1.2em;color:var(--c-ink-2);font-size:16px;line-height:1.9}
.prose h2{
  position:relative;font-size:clamp(20px,2.1vw,26px);font-weight:700;
  color:var(--c-ink);margin:2em 0 .85em;padding-left:16px;line-height:1.4;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.38em;width:4px;height:.92em;
  background:var(--c-signal);border-radius:3px;
}
.prose h3{font-size:18.5px;font-weight:600;color:var(--c-ink);margin:1.7em 0 .7em}
.prose h4{font-size:16.5px;font-weight:600;color:var(--c-ink);margin:1.5em 0 .6em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.4em;color:var(--c-ink-2)}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:.45em 0;line-height:1.85}
.prose blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--c-signal);
  background:var(--c-primary-soft);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-ink-2);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--sh-1)}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px}
.prose a{color:var(--c-primary);border-bottom:1px solid rgba(91,61,245,.35)}
.prose a:hover{border-bottom-color:var(--c-primary)}
.prose strong{color:var(--c-ink);font-weight:600}
.prose code{background:var(--c-primary-soft);color:var(--c-primary-deep);padding:2px 7px;border-radius:6px;font-size:.92em}
.prose pre{
  background:var(--c-night);color:#E9E4FF;padding:18px 20px;border-radius:var(--r-img);
  overflow:auto;font-size:14px;line-height:1.7;
}
.prose table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;
}
.prose th{background:var(--c-primary-soft);color:var(--c-ink);font-weight:600;text-align:left}
.prose th,.prose td{padding:12px 14px;border-bottom:1px solid var(--c-line);color:var(--c-ink-2)}
.prose tr:last-child td{border-bottom:0}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:2em 0}

/* ---------- empty state ---------- */
.empty-state{text-align:center;padding:36px 10px 42px}
.empty-state i{font-size:40px;color:#C7C1E4}
.empty-state h2{font-size:20px;margin:18px 0 8px;color:var(--c-ink)}
.empty-state p{color:var(--c-ink-3);font-size:15px;max-width:460px;margin:0 auto 22px}

/* ---------- sidebar ---------- */
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card-sm);
  padding:22px 22px 24px;box-shadow:var(--sh-1);
}
.side-card__title{
  display:flex;align-items:center;gap:9px;
  font-size:15.5px;font-weight:700;color:var(--c-ink);margin-bottom:16px;
}
.side-card__title i{color:var(--c-signal);font-size:14px}
.toc details{border:0}
.toc summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;
  font-size:15.5px;font-weight:700;color:var(--c-ink);cursor:pointer;
}
.toc summary::-webkit-details-marker{display:none}
.toc__icon{font-size:12px;color:var(--c-ink-3);transition:transform .25s ease}
.toc details[open] .toc__icon{transform:rotate(180deg)}
.toc ol{list-style:none;margin:16px 0 0;padding:0;counter-reset:toc}
.toc li{margin:0 0 4px}
.toc li a{
  display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--c-ink-2);
  line-height:1.6;transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.toc li a:hover{background:var(--c-primary-soft);color:var(--c-primary);padding-left:14px}
.toc .toc-l3 a{padding-left:22px;font-size:13.5px;color:var(--c-ink-3)}
.related-list{display:flex;flex-direction:column;gap:16px}
.related-item{display:flex;gap:14px;align-items:flex-start}
.related-item__thumb{
  flex:0 0 96px;width:96px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;
  background:var(--c-primary-soft);
}
.related-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-item:hover .related-item__thumb img{transform:scale(1.05)}
.related-item h4{font-size:14.5px;font-weight:600;line-height:1.6;color:var(--c-ink);margin-bottom:4px}
.related-item:hover h4{color:var(--c-primary)}
.related-item span{font-size:12.5px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-block;padding:6px 13px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:500;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.tag-cloud a:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.side-cta{
  background:var(--c-night);border-radius:var(--r-card-sm);padding:24px;
  color:rgba(255,255,255,.74);position:relative;overflow:hidden;
}
.side-cta::before{
  content:"";position:absolute;width:200px;height:200px;right:-80px;top:-90px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.22),transparent 70%);
}
.side-cta h3{position:relative;font-size:17px;color:#fff;margin-bottom:10px}
.side-cta p{position:relative;font-size:14px;line-height:1.75;margin-bottom:18px}
.side-cta .btn{position:relative}

/* ---------- cards ---------- */
.card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DAD2FB}
.img-frame{
  position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--r-img);
  overflow:hidden;background:var(--c-primary-soft);margin-bottom:18px;
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .img-frame img{transform:scale(1.04)}
.card h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--c-ink);margin-bottom:10px}
.card:hover h3{color:var(--c-primary)}
.card p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin-bottom:16px}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.card__foot span{font-size:12.5px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}

/* ---------- section head ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{
  position:relative;font-size:clamp(22px,2.4vw,32px);font-weight:700;color:var(--c-ink);
  padding-left:18px;line-height:1.35;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.36em;width:4px;height:.9em;
  background:var(--c-signal);border-radius:3px;
}
.section-head p{font-size:15px;color:var(--c-ink-3);margin-top:10px;padding-left:18px}
.section-head--center{flex-direction:column;align-items:center;text-align:center}
.section-head--center h2{padding-left:0}
.section-head--center h2::before{display:none}
.section-head--center p{padding-left:0}

/* ---------- post nav ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.post-nav__item{
  display:flex;flex-direction:column;gap:6px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card-sm);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-nav__item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DAD2FB}
.post-nav__item span{font-size:12.5px;color:var(--c-ink-3);display:flex;align-items:center;gap:8px}
.post-nav__item strong{font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.6}
.post-nav__item:hover strong{color:var(--c-primary)}
.post-nav__item--next{text-align:right;align-items:flex-end}
.back-row{margin-top:26px;display:flex;justify-content:center}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-night);border-radius:var(--r-hero);
  padding:56px 52px;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.35),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;left:-100px;bottom:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.22),transparent 70%);
}
.cta-band__inner{position:relative;z-index:1;max-width:720px}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);color:#fff;margin-bottom:14px}
.cta-band p{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:26px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-night);color:rgba(255,255,255,.72);
  padding:72px 0 30px;margin-top:var(--sp-section);
}
.footer-grid{padding-bottom:8px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand__text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--c-signal)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66)}
.footer-contact i{color:var(--c-signal);margin-top:6px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);font-variant-numeric:tabular-nums;
}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:flex;align-items:center;gap:16px;
  padding:12px 14px 12px 22px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);
  transform:translateY(24px);opacity:0;pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
}
.sticky-cta.is-visible{transform:none;opacity:1;pointer-events:auto}
.sticky-cta p{font-size:13.5px;color:var(--c-ink-2);white-space:nowrap}
.sticky-cta__close{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;
  border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-ink-3);
  cursor:pointer;display:grid;place-items:center;transition:background .2s ease,color .2s ease;
}
.sticky-cta__close:hover{background:var(--c-primary-soft);color:var(--c-primary)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .prose{padding:34px 32px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .container{padding:0 24px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-links{
    position:fixed;top:0;right:0;z-index:75;
    width:300px;max-width:86vw;height:100vh;
    flex-direction:column;align-items:stretch;gap:0;
    margin-left:0;padding:92px 24px 32px;
    background:#fff;box-shadow:-16px 0 44px rgba(29,18,84,.16);
    transform:translateX(102%);transition:transform .3s ease;
  }
  .nav-links.is-open{transform:none}
  .nav-links a{
    width:100%;padding:15px 4px;font-size:16px;color:var(--c-ink);
    opacity:1;border-bottom:1px solid var(--c-line);border-radius:0;
  }
  .nav-links a::after{display:none}
  .nav-links a.is-active,.nav-links a:hover{color:var(--c-primary)}
  .nav-actions .link-arrow{display:none}
  .article-hero{padding:104px 0 38px}
  .article-layout{padding-top:34px}
  .side-inner{margin-top:36px}
  .side-inner>*+*{margin-top:18px}
  .cta-band{padding:44px 32px}
  .site-footer{margin-top:64px}
}
@media (max-width:640px){
  :root{--sp-section:48px}
  .container{padding:0 18px}
  .brand__text{font-size:15px}
  .nav-links{width:82vw}
  .btn{padding:14px 22px;min-height:48px}
  .btn--sm{padding:12px 18px}
  .article-hero{padding:96px 0 32px}
  .article-title{font-size:24px;margin:12px 0 16px}
  .article-meta{gap:8px 16px;font-size:13px}
  .prose{padding:24px 20px;border-radius:var(--r-card-sm)}
  .prose h2{font-size:19px;margin-top:1.7em}
  .prose p{font-size:15.5px}
  .post-nav{grid-template-columns:1fr}
  .post-nav__item--next{text-align:left;align-items:flex-start}
  .cta-band{padding:36px 22px;border-radius:22px}
  .cta-band__actions .btn{width:100%}
  .section-head h2{padding-left:14px}
  .sticky-cta{
    left:0;right:0;bottom:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;
    padding:10px 14px;gap:12px;justify-content:space-between;
  }
  .sticky-cta p{display:none}
  .sticky-cta .btn{flex:1 1 auto}
  .site-footer{padding-bottom:96px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .card:hover,.btn:hover,.post-nav__item:hover,.chip-btn:hover{transform:none}
}

/* roulang page: category1 */
/* ===================== 设计令牌 ===================== */
:root{
  --font-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --font-num:"DIN Alternate","Barlow",var(--font-base);

  --c-primary:#5B3DF5;
  --c-primary-deep:#2A1878;
  --c-primary-soft:#EFEBFF;
  --c-signal:#22E0B8;
  --c-accent:#FF6B3D;
  --c-accent-2:#FF8A5C;
  --c-badge:#FFC24B;
  --c-night:#0D0824;

  --c-ink:#171233;
  --c-ink-2:#4A4468;
  --c-ink-3:#7C7699;

  --c-line:#E7E2FB;
  --c-bg:#F7F5FF;
  --c-card:#FFFFFF;

  --r-card:24px;
  --r-card-md:18px;
  --r-card-sm:16px;
  --r-btn:999px;
  --r-btn-sub:14px;
  --r-input:12px;
  --r-badge:999px;

  --sh-1:0 8px 24px rgba(29,18,84,.07);
  --sh-2:0 14px 34px rgba(29,18,84,.14);

  --sp-section:96px;
  --sp-section-pad:64px;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-signal);outline-offset:2px;border-radius:4px;}
p{overflow-wrap:break-word;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.container--narrow{max-width:820px;}

/* ===================== 头部导航 ===================== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  padding:18px 0;
  background:transparent;
  transition:background .28s ease,box-shadow .28s ease,padding .28s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  padding:10px 0;
  box-shadow:0 6px 22px rgba(29,18,84,.08);
  border-bottom:1px solid var(--c-line);
}
.nav-pill{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:56px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand__mark{
  width:36px;height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),#7C5CFF 60%,var(--c-signal));
  color:#fff;
  font-size:15px;
  box-shadow:0 6px 16px rgba(91,61,245,.35);
}
.brand__text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:#fff;
  white-space:nowrap;
  transition:color .28s ease;
}
.site-header.is-scrolled .brand__text{color:var(--c-ink);}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.88);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;bottom:4px;
  width:0;height:2px;
  background:var(--c-signal);
  transform:translateX(-50%);
  transition:width .24s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{width:calc(100% - 28px);}
.nav-links a.is-active{color:#fff;}
.nav-links a.is-active::after{width:calc(100% - 28px);}
.site-header.is-scrolled .nav-links a{color:var(--c-ink-2);}
.site-header.is-scrolled .nav-links a:hover,
.site-header.is-scrolled .nav-links a.is-active{color:var(--c-primary);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:18px;
  margin-left:auto;
  flex:0 0 auto;
}
.link-arrow{
  font-size:14px;
  font-weight:600;
  color:#fff;
  border-bottom:2px solid var(--c-signal);
  padding-bottom:2px;
}
.link-arrow i{margin-left:4px;font-size:12px;transition:transform .2s ease;}
.link-arrow:hover{color:#fff;}
.link-arrow:hover i{transform:translateX(3px);}
.site-header.is-scrolled .link-arrow{color:var(--c-ink-2);}
.site-header.is-scrolled .link-arrow:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:46px;height:46px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:17px;
}
.site-header.is-scrolled .nav-toggle{
  border-color:var(--c-line);
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.nav-drawer-cta{display:none;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:14px 28px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn--sm{min-height:44px;padding:11px 22px;font-size:14px;}
.btn--primary{
  background:linear-gradient(135deg,var(--c-accent),var(--c-accent-2));
  color:#fff;
  box-shadow:0 10px 22px rgba(255,107,61,.28);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,107,61,.34);color:#fff;}
.btn--primary:active{transform:translateY(0);}
.btn--secondary{
  background:#fff;
  color:var(--c-primary);
  border-color:var(--c-primary);
}
.btn--secondary:hover{background:var(--c-primary-soft);transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--c-primary-deep);}
.btn--secondary:active{transform:translateY(0);}
.btn--ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.6);
}
.btn--ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff;}
.btn--ghost:active{transform:translateY(0);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ===================== 分类胶囊 / 徽章 ===================== */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:12.5px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:6px;
}
.stat-badge{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:12px 20px;
  border-radius:var(--r-badge);
  background:rgba(91,61,245,.16);
  border:1px solid rgba(255,194,75,.55);
  color:#fff;
  backdrop-filter:blur(6px);
}
.stat-badge i{color:var(--c-signal);font-size:16px;}
.stat-badge__num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
}
.stat-badge__txt{font-size:13px;color:rgba(255,255,255,.78);}

/* ===================== 面包屑 ===================== */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--c-signal);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ===================== 矮版 Hero ===================== */
.hero--sub{
  position:relative;
  overflow:hidden;
  background-color:var(--c-night);
  background-image:linear-gradient(100deg,rgba(13,8,36,.95) 12%,rgba(42,24,120,.78) 68%,rgba(13,8,36,.9) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-radius:0 0 28px 28px;
}
.hero--sub::before,
.hero--sub::after{
  content:"";
  position:absolute;
  border-radius:50%;
  pointer-events:none;
}
.hero--sub::before{
  width:520px;height:520px;
  top:-220px;right:-120px;
  background:radial-gradient(circle,rgba(91,61,245,.34),transparent 68%);
}
.hero--sub::after{
  width:420px;height:420px;
  bottom:-240px;left:-140px;
  background:radial-gradient(circle,rgba(34,224,184,.2),transparent 68%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:48px;
  padding:150px 0 64px;
}
.hero-copy{flex:1 1 auto;max-width:640px;}
.hero-copy h1{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  color:#fff;
  margin-bottom:18px;
}
.hero-copy p{
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-media{
  flex:0 0 340px;
  border-radius:var(--r-card-sm);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 22px 44px rgba(6,3,24,.5);
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}

/* ===================== 通用板块 ===================== */
.section{padding:var(--sp-section) 0;}
.section--tight{padding-top:48px;}
.section--soft{background:#fff;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  position:relative;
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  padding-left:20px;
  margin-bottom:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:4px;height:18px;
  border-radius:3px;
  background:var(--c-signal);
}
.section-head p{color:var(--c-ink-2);font-size:16px;max-width:640px;}

/* ===================== 数据徽章条 ===================== */
.badges-strip{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px 26px;
  margin-top:-46px;
  position:relative;
  z-index:5;
}
.badges-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.badge-cell{
  display:flex;
  align-items:center;
  gap:14px;
  padding:8px 6px;
}
.badge-cell__ico{
  width:44px;height:44px;
  flex:0 0 44px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:17px;
}
.badge-cell__num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:700;
  line-height:1.1;
  color:var(--c-ink);
}
.badge-cell__num span{font-size:14px;font-weight:600;color:var(--c-ink-3);margin-left:3px;}
.badge-cell__txt{font-size:13.5px;color:var(--c-ink-3);line-height:1.5;}

/* ===================== 图文交替 ===================== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:var(--sp-section-pad);}
.split__media{
  border-radius:var(--r-card-sm);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  background:var(--c-primary-soft);
}
.split__media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .3s ease;
}
.split__media:hover img{transform:scale(1.03);}
.split__media figcaption{
  display:block;
  padding:10px 14px;
  font-size:12.5px;
  color:var(--c-ink-3);
  text-align:center;
  background:#fff;
  margin:0;
  border-top:1px solid var(--c-line);
}
.split__body h3{
  font-size:22px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:14px;
}
.split__body p{color:var(--c-ink-2);margin-bottom:14px;max-width:38em;}
.split__body p:last-of-type{margin-bottom:18px;}
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:14px;height:2px;
  border-radius:2px;
  background:var(--c-signal);
}
.split--reverse .split__media{order:2;}
.split--reverse .split__body{order:1;}

/* ===================== 提示对照卡 ===================== */
.tip-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.tip-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tip-card__top{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
}
.tip-card__top i{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:15px;
}
.tip-card h3{font-size:17px;font-weight:600;line-height:1.5;}
.tip-card p{font-size:14.5px;color:var(--c-ink-2);}
.tip-card__tag{
  display:inline-block;
  margin-top:14px;
  font-size:12.5px;
  font-weight:600;
  color:var(--c-accent);
  border-bottom:2px solid rgba(255,107,61,.35);
  padding-bottom:2px;
}

/* ===================== 三步流程 ===================== */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card-md);
  padding:26px 24px 24px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-card__no{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1;
  margin-bottom:12px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--c-ink-2);}

/* ===================== FAQ ===================== */
.faq-list{
  border-top:1px solid var(--c-line);
}
.faq-item{
  border-bottom:1px solid var(--c-line);
  background:#fff;
  transition:background .25s ease;
}
.faq-item.is-open{background:var(--c-primary-soft);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 24px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-ink);
}
.faq-q .faq-icon{
  flex:0 0 30px;
  width:30px;height:30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:12px;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-icon{
  background:var(--c-primary);
  color:#fff;
  transform:rotate(180deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease,padding .34s ease;
  padding:0 24px;
}
.faq-item.is-open .faq-a{
  max-height:420px;
  padding:0 24px 24px;
}
.faq-a p{font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ===================== 底部 CTA ===================== */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  background-color:var(--c-night);
  background-image:linear-gradient(120deg,rgba(13,8,36,.94),rgba(42,24,120,.8));
  padding:56px 48px;
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:460px;height:460px;
  right:-160px;top:-200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.22),transparent 66%);
}
.cta-band__inner{position:relative;z-index:2;max-width:640px;}
.cta-band h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  margin-bottom:14px;
}
.cta-band p{color:rgba(255,255,255,.8);margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--c-night);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  margin-top:var(--sp-section);
}
.footer-grid{row-gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand__text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:340px;color:rgba(255,255,255,.62);}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col ul li a:hover{color:var(--c-signal);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.62);
  margin-bottom:12px;
}
.footer-contact li i{color:var(--c-signal);margin-top:5px;font-size:12px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ===================== 固定转化条 ===================== */
.convert-bar{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  display:none;
  align-items:center;
  gap:16px;
  padding:12px 14px 12px 22px;
  border-radius:var(--r-badge);
  background:#fff;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
}
.convert-bar.is-visible{display:flex;}
.convert-bar__text{
  font-size:13.5px;
  font-weight:600;
  color:var(--c-ink-2);
  white-space:nowrap;
}
.convert-bar__close{
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink-3);
  font-size:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.convert-bar__close:hover{background:var(--c-primary-soft);color:var(--c-primary);}

/* ===================== 响应式 ===================== */
@media screen and (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  :root{--sp-section:64px;}
  .hero-inner{padding:132px 0 56px;gap:32px;}
  .hero-media{flex:0 0 280px;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100%;
    width:min(330px,86vw);
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:96px 22px 32px;
    margin:0;
    transform:translateX(102%);
    transition:transform .32s ease;
    box-shadow:-14px 0 34px rgba(29,18,84,.16);
    z-index:85;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{color:var(--c-ink-2);padding:14px 12px;font-size:16px;}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--c-primary);background:var(--c-primary-soft);}
  .nav-actions .link-arrow{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-drawer-cta{
    display:flex;
    margin-top:18px;
    width:100%;
  }
  .badges-row{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .split--reverse .split__media{order:1;}
  .split--reverse .split__body{order:2;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:44px 32px;}
}
@media screen and (max-width:639px){
  .container{padding-left:18px;padding-right:18px;}
  :root{--sp-section:48px;--sp-section-pad:48px;}
  body{font-size:15.5px;}
  .brand__text{font-size:15px;}
  .brand__mark{width:32px;height:32px;border-radius:10px;font-size:13px;}
  .nav-pill{gap:12px;min-height:50px;}
  .hero--sub{border-radius:0 0 22px 22px;}
  .hero-inner{padding:112px 0 44px;flex-direction:column;align-items:flex-start;}
  .hero-media{flex:0 0 auto;width:100%;}
  .hero-media img{aspect-ratio:16/9;}
  .hero-actions .btn{flex:1 1 100%;}
  .badges-strip{margin-top:-32px;padding:18px 16px;}
  .badges-row{grid-template-columns:1fr;gap:12px;}
  .tip-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 22px;border-radius:22px;}
  .cta-actions .btn{flex:1 1 100%;}
  .faq-q{padding:18px 16px;font-size:16px;}
  .faq-a{padding:0 16px;}
  .faq-item.is-open .faq-a{padding:0 16px 18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .convert-bar{
    left:0;right:0;bottom:0;
    border-radius:0;
    border-left:0;border-right:0;border-bottom:0;
    padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    gap:10px;
  }
  .convert-bar__text{flex:1 1 auto;font-size:12.5px;white-space:normal;line-height:1.4;}
  .convert-bar .btn{flex:0 0 58%;min-height:46px;}
  body{padding-bottom:72px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .btn:hover,.tip-card:hover,.step-card:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#5B3DF5;
  --c-primary-deep:#2A1878;
  --c-primary-soft:#EFEBFF;
  --c-accent:#FF6B3D;
  --c-accent-2:#FF8A5C;
  --c-signal:#22E0B8;
  --c-badge:#FFC24B;
  --c-night:#0D0824;
  --c-ink:#171233;
  --c-ink-2:#4A4468;
  --c-ink-3:#7C7699;
  --c-line:#E7E2FB;
  --c-bg:#F7F5FF;
  --c-card:#FFFFFF;
  --r-hero:28px;
  --r-card:24px;
  --r-card-sm:18px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 8px 24px rgba(29,18,84,.07);
  --sh-2:0 14px 34px rgba(29,18,84,.14);
  --sp-section:96px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--c-signal);outline-offset:2px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.section{padding:var(--sp-section) 0;}
.section--tight{padding:64px 0;}
.section__head{max-width:820px;margin-bottom:44px;}
.section__head h2{
  font-size:clamp(24px,2.6vw,36px);
  line-height:1.28;
  font-weight:700;
  position:relative;
  padding-left:18px;
}
.section__head h2::before{
  content:"";
  position:absolute;
  left:0;top:.34em;
  width:4px;height:22px;
  border-radius:2px;
  background:var(--c-signal);
}
.section__head p{margin:16px 0 0;color:var(--c-ink-2);max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:6px;
  padding:6px 12px;
  margin-bottom:16px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:16px 0;
  transition:background .25s ease,box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  box-shadow:var(--sh-1);
  padding:10px 0;
}
.nav-pill{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:10px 12px 10px 18px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled .nav-pill{border-color:var(--c-line);background:#fff;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-size:15px;box-shadow:0 6px 16px rgba(91,61,245,.32);
}
.brand__text{font-size:17px;font-weight:800;color:#fff;letter-spacing:0;transition:color .25s ease;}
.site-header.is-scrolled .brand__text{color:var(--c-ink);}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  font-size:15px;font-weight:600;
  color:rgba(255,255,255,.86);
  padding:6px 2px;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--c-signal);border-radius:2px;
  transition:left .25s ease,right .25s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{left:0;right:0;}
.site-header.is-scrolled .nav-links a{color:var(--c-ink-2);}
.site-header.is-scrolled .nav-links a:hover{color:var(--c-primary);}
.nav-links a.is-active{color:#fff;}
.site-header.is-scrolled .nav-links a.is-active{color:var(--c-primary);}
.nav-links a.is-active::after{left:0;right:0;}
.nav-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.link-arrow{
  font-size:14px;font-weight:600;color:rgba(255,255,255,.9);
  border-bottom:2px solid var(--c-signal);
  padding-bottom:3px;
  display:inline-flex;align-items:center;gap:6px;
  transition:color .2s ease,gap .2s ease;
}
.link-arrow:hover{color:var(--c-signal);gap:10px;}
.site-header.is-scrolled .link-arrow{color:var(--c-ink-2);}
.site-header.is-scrolled .link-arrow:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.site-header.is-scrolled .nav-toggle{color:var(--c-ink);border-color:var(--c-line);background:#fff;}
.nav-toggle:hover{border-color:var(--c-signal);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 28px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn--primary{
  background:linear-gradient(135deg,var(--c-accent),var(--c-accent-2));
  color:#fff;box-shadow:0 10px 22px rgba(255,107,61,.28);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,61,.36);color:#fff;}
.btn--primary:active{transform:translateY(0);}
.btn--outline{
  background:#fff;color:var(--c-primary);border-color:var(--c-primary);
}
.btn--outline:hover{background:var(--c-primary-soft);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn--outline:active{transform:translateY(0);}
.btn--ghost{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.6);
}
.btn--ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{padding:11px 20px;font-size:14px;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-block;
  font-size:12.5px;font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:6px;
  padding:4px 10px;
}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 18px;
  border-radius:var(--r-btn);
  background:rgba(91,61,245,.22);
  border:1px solid rgba(255,194,75,.55);
  color:#fff;
  font-size:13.5px;font-weight:600;
}
.badge i{color:var(--c-badge);font-size:14px;}
.badge b{font-variant-numeric:tabular-nums;font-size:16px;font-weight:700;color:#fff;}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--sh-1);
}
.stat{position:relative;padding-left:18px;}
.stat::before{content:"";position:absolute;left:0;top:6px;width:3px;height:34px;border-radius:2px;background:var(--c-signal);}
.stat b{display:block;font-size:30px;font-weight:700;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--c-ink-3);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:13.5px;color:var(--c-ink-3);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{margin:0 8px;color:#C6BFE6;}
.breadcrumb .current{color:var(--c-ink-2);font-weight:600;}

/* ---------- 分类页 Hero ---------- */
.hero-shell{padding:16px 16px 0;}
.cat-hero{
  position:relative;
  border-radius:var(--r-hero);
  overflow:hidden;
  background:var(--c-night) url('/assets/images/backpic/back-2.webp') right center/cover no-repeat;
  min-height:300px;
  display:flex;align-items:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,8,36,.95),rgba(42,24,120,.66) 58%,rgba(42,24,120,.32));
}
.cat-hero::after{
  content:"";position:absolute;right:-8%;top:-30%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.14),transparent 68%);
  pointer-events:none;
}
.cat-hero__inner{position:relative;z-index:2;padding:56px 0 56px;}
.cat-hero h1{
  color:#fff;
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.22;
  font-weight:700;
  max-width:660px;
}
.cat-hero p{
  color:rgba(255,255,255,.82);
  font-size:16px;
  max-width:600px;
  margin:18px 0 0;
}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-visual{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 20px 44px rgba(6,3,20,.45);
}
.hero-visual img{width:100%;height:240px;object-fit:cover;}

/* ---------- 主体布局：侧栏 + 卡片墙 ---------- */
.filter-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);position:sticky;top:104px;
}
.filter-panel h2{font-size:16px;font-weight:700;margin-bottom:6px;}
.filter-panel .filter-hint{font-size:13px;color:var(--c-ink-3);margin-bottom:16px;}
.filter-list li{margin-bottom:8px;}
.filter-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.filter-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.filter-list a.is-current{background:var(--c-primary-soft);color:var(--c-primary);border-color:#DCD3FF;}
.filter-list a i{font-size:12px;color:var(--c-ink-3);}
.filter-note{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-ink-3);line-height:1.7;
}
.filter-tags{display:none;gap:10px;flex-wrap:wrap;margin-bottom:22px;}
.filter-tags a{
  font-size:13.5px;font-weight:600;padding:9px 16px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);
}
.filter-tags a:hover{border-color:var(--c-primary);color:var(--c-primary);}

.card-wall{margin-top:-14px;}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card__media{position:relative;overflow:hidden;background:var(--c-primary-soft);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__media--wide img{aspect-ratio:16/9;}
.card__media--small img{aspect-ratio:16/9;}
.card__body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card__body h3{font-size:19px;line-height:1.45;font-weight:600;}
.card--lg .card__body h3{font-size:22px;}
.card__body p{font-size:14.5px;color:var(--c-ink-2);margin:0;line-height:1.8;}
.card__meta{
  display:flex;align-items:center;gap:12px;
  font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;
  margin-top:auto;padding-top:6px;
}
.card__link{margin-top:auto;font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.card__link:hover{gap:10px;}

/* ---------- 风险 / 建议双栏 ---------- */
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-1);
}
.panel h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.panel > p{color:var(--c-ink-2);font-size:14.5px;}
.panel .list-item{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--c-line);
}
.panel .list-item:last-child{border-bottom:0;padding-bottom:0;}
.list-item__icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.list-item__icon--warn{background:#FFEDE6;color:var(--c-accent);}
.list-item h4{font-size:15.5px;font-weight:600;margin-bottom:4px;}
.list-item p{margin:0;font-size:14px;color:var(--c-ink-2);}

/* ---------- 图文区 ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.feature__media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);background:var(--c-primary-soft);
}
.feature__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.feature__caption{font-size:12.5px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.feature h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:14px;}
.feature p{color:var(--c-ink-2);font-size:15px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--c-ink-2);margin-bottom:12px;
}
.check-list i{color:var(--c-signal);font-size:14px;margin-top:5px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--c-line) !important;
  border-radius:var(--r-card-sm) !important;
  margin-bottom:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-1);
}
.accordion .accordion-title{
  font-size:16.5px;font-weight:600;color:var(--c-ink);
  padding:20px 56px 20px 24px;
  border:0 !important;
  background:#fff;
  transition:background .2s ease,color .2s ease;
}
.accordion .accordion-title:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--c-primary);
  transition:transform .25s ease;
  margin:0;float:none;
}
.accordion .accordion-item.is-active .accordion-title{background:var(--c-primary-soft);color:var(--c-primary);}
.accordion .accordion-item.is-active .accordion-title::before{content:"\f068";transform:translateY(-50%) rotate(180deg);}
.accordion .accordion-content{
  border:0 !important;
  border-top:1px solid var(--c-line) !important;
  padding:20px 24px 22px;
  background:#fff;
  font-size:15px;color:var(--c-ink-2);line-height:1.85;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-hero);
  background:var(--c-night);
  padding:64px 56px;
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;left:-10%;top:-60%;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.4),transparent 66%);
}
.cta-band::after{
  content:"";position:absolute;right:-6%;bottom:-60%;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.16),transparent 68%);
}
.cta-band__text{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(23px,2.4vw,32px);line-height:1.32;}
.cta-band p{color:rgba(255,255,255,.78);margin:14px 0 0;max-width:560px;font-size:15px;}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-night);
  color:rgba(255,255,255,.72);
  padding:72px 0 32px;
  margin-top:var(--sp-section);
  font-size:14px;
}
.footer-grid{padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .brand__text{color:#fff;}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:360px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col ul a:hover{color:var(--c-signal);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.66);line-height:1.7;margin-bottom:12px;}
.footer-contact i{color:var(--c-signal);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 固定转化条 ---------- */
.fixed-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:none;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  padding:12px 14px 12px 22px;
  box-shadow:var(--sh-2);
  max-width:520px;
}
.fixed-cta.is-visible{display:flex;}
.fixed-cta__text{font-size:13.5px;color:var(--c-ink-2);font-weight:600;}
.fixed-cta__close{
  width:32px;height:32px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-3);
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:color .2s ease,border-color .2s ease;
}
.fixed-cta__close:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .section{padding:80px 0;}
}
@media screen and (max-width:1023px){
  :root{--sp-section:64px;}
  .container{padding:0 24px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(84vw,320px);
    background:#fff;flex-direction:column;align-items:flex-start;gap:10px;
    padding:96px 24px 32px;
    transform:translateX(100%);transition:transform .3s ease;
    box-shadow:-16px 0 40px rgba(29,18,84,.16);
    z-index:80;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a,.site-header.is-scrolled .nav-links a{color:var(--c-ink-2);font-size:16px;padding:10px 0;width:100%;}
  .nav-links a::after{display:none;}
  .nav-actions{display:none;}
  .split-grid{grid-template-columns:1fr;}
  .feature{grid-template-columns:1fr;gap:28px;}
  .feature--reverse .feature__media{order:-1;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:24px;}
  .filter-panel{position:static;margin-bottom:26px;}
  .filter-tags{display:flex;}
  .cta-band{grid-template-columns:1fr;padding:48px 32px;}
}
@media screen and (max-width:639px){
  :root{--sp-section:48px;}
  .container{padding:0 18px;}
  .hero-shell{padding:10px 10px 0;}
  .cat-hero{border-radius:22px;min-height:auto;}
  .cat-hero__inner{padding:40px 0;}
  .cat-hero__actions .btn{width:100%;}
  .brand__text{font-size:15px;}
  .section__head{margin-bottom:30px;}
  .stat-strip{grid-template-columns:1fr;padding:24px 20px;}
  .panel{padding:24px 20px;}
  .card__body{padding:20px;}
  .card--lg .card__body h3{font-size:19px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .fixed-cta{
    left:0;right:0;bottom:0;max-width:none;border-radius:0;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    align-items:center;justify-content:space-between;gap:10px;
    border-left:0;border-right:0;border-bottom:0;
  }
  .fixed-cta__text{display:none;}
  .fixed-cta .btn{flex:1 1 60%;}
  body.has-fixed-cta{padding-bottom:74px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#5B3DF5;
  --c-primary-deep:#2A1878;
  --c-primary-soft:#EFEBFF;
  --c-signal:#22E0B8;
  --c-accent:#FF6B3D;
  --c-accent-2:#FF8A5C;
  --c-badge:#FFC24B;
  --c-night:#0D0824;
  --c-ink:#171233;
  --c-ink-2:#4A4468;
  --c-ink-3:#7C7699;
  --c-line:#E7E2FB;
  --c-bg:#F7F5FF;
  --c-card:#FFFFFF;
  --r-card:24px;
  --r-card-md:18px;
  --r-card-sm:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 8px 24px rgba(29,18,84,.07);
  --sh-2:0 14px 34px rgba(29,18,84,.14);
  --sp-section:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s,opacity .25s}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{padding:0;list-style:none}
h1{font-size:clamp(30px,4.4vw,56px);line-height:1.15;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:16px;line-height:1.5;font-weight:600}
p{color:var(--c-ink-2)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-signal);
  outline-offset:2px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sp-section) 0}
.section--tight{padding:64px 0}
.section--soft{background:linear-gradient(180deg,#FBF9FF 0%,#F7F5FF 100%)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:999px;
  padding:7px 16px;
  margin-bottom:18px;
}
.section-title{
  position:relative;
  padding-left:18px;
  margin-bottom:16px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  width:4px;
  height:1em;
  border-radius:2px;
  background:var(--c-signal);
}
.section-head{max-width:720px;margin-bottom:44px}
.section-head p{font-size:16px;line-height:1.85}
.section-head--split{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  max-width:none;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:2px solid var(--c-signal);
  padding-bottom:4px;
  transition:gap .25s,color .25s;
}
.link-arrow:hover{gap:12px;color:var(--c-primary-deep)}
.link-arrow i{font-size:12px}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 28px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .25s,box-shadow .25s,background-color .25s,color .25s,border-color .25s;
}
.btn--primary{
  background:linear-gradient(135deg,var(--c-accent) 0%,var(--c-accent-2) 100%);
  color:#fff;
  box-shadow:0 10px 22px rgba(255,107,61,.28);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,61,.36);color:#fff}
.btn--primary:active{transform:translateY(0)}
.btn--outline{
  background:#fff;
  color:var(--c-primary);
  border-color:var(--c-primary);
}
.btn--outline:hover{background:var(--c-primary-soft);transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--c-primary)}
.btn--outline:active{transform:translateY(0)}
.btn--ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.62);
}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);color:#fff}
.btn--sm{padding:11px 20px;font-size:14px}
.btn[disabled]{opacity:.5;pointer-events:none}

/* 头部导航 */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:900;
  padding:14px 0;
  transition:background-color .3s,box-shadow .3s,padding .3s;
  --nav-ink:#FFFFFF;
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 6px 22px rgba(29,18,84,.10);
  padding:8px 0;
  --nav-ink:var(--c-ink);
}
.site-header .container{max-width:var(--container);margin:0 auto;padding:0 32px}
.nav-pill{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:34px;
  height:34px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--c-primary) 0%,#7C63FF 100%);
  color:#fff;
  font-size:13px;
  box-shadow:0 6px 16px rgba(91,61,245,.35);
  flex-shrink:0;
}
.brand__text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--nav-ink);
  white-space:nowrap;
}
.site-header.is-scrolled .brand__text{color:var(--c-primary-deep)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--nav-ink);
  padding:6px 2px;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  right:50%;
  bottom:0;
  height:2px;
  background:var(--c-signal);
  transition:left .25s,right .25s;
}
.nav-links a:hover::after,.nav-links a.is-active::after{left:0;right:0}
.nav-links a:hover{color:var(--c-signal)}
.site-header.is-scrolled .nav-links a:hover{color:var(--c-primary)}
.nav-links a.is-active{color:var(--c-signal)}
.site-header.is-scrolled .nav-links a.is-active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:18px}
.nav-actions .link-arrow{border-bottom-color:var(--c-signal)}
.site-header:not(.is-scrolled) .nav-actions .link-arrow{color:#fff}
.site-header:not(.is-scrolled) .nav-actions .link-arrow:hover{color:var(--c-signal)}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:14px;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:var(--nav-ink);
  border:1px solid rgba(255,255,255,.28);
}
.site-header.is-scrolled .nav-toggle{border-color:var(--c-line);color:var(--c-ink)}
.nav-backdrop{display:none}

/* 分类页 Hero */
.cat-hero{
  position:relative;
  margin:16px 16px 0;
  border-radius:28px;
  overflow:hidden;
  background-color:var(--c-night);
  background-image:linear-gradient(90deg,rgba(13,8,36,.94) 0%,rgba(42,24,120,.62) 62%,rgba(42,24,120,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cat-hero::before{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  right:-120px;
  top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.14) 0%,rgba(34,224,184,0) 68%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  width:460px;
  height:460px;
  left:-140px;
  bottom:-240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.14) 0%,rgba(91,61,245,0) 70%);
  pointer-events:none;
}
.cat-hero__inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  align-items:center;
  gap:40px;
  padding:132px 0 64px;
  min-height:340px;
}
.cat-hero__crumb{
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.cat-hero__crumb a{color:rgba(255,255,255,.72)}
.cat-hero__crumb a:hover{color:var(--c-signal)}
.cat-hero__crumb span{margin:0 8px;opacity:.6}
.cat-hero h1{color:#fff;max-width:14em}
.cat-hero__lead{
  margin-top:18px;
  max-width:36em;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
}
.cat-hero__actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.cat-hero__media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 48px rgba(6,3,20,.45);
  aspect-ratio:4/3;
}
.cat-hero__media img{width:100%;height:100%;object-fit:cover}
.cat-hero__tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:#fff;
  background:rgba(91,61,245,.32);
  border:1px solid rgba(255,194,75,.45);
  border-radius:999px;
  padding:6px 15px;
  margin-bottom:18px;
}
.cat-hero__tag i{color:var(--c-badge);font-size:11px}

/* 徽章 */
.badge-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.stat-badge{
  display:flex;
  align-items:center;
  gap:14px;
  background:rgba(239,235,255,.72);
  border:1px solid rgba(255,194,75,.42);
  border-radius:999px;
  padding:14px 22px;
  backdrop-filter:blur(6px);
}
.stat-badge--light{
  background:#fff;
  border-color:var(--c-line);
  box-shadow:var(--sh-1);
  border-radius:var(--r-card-md);
}
.stat-badge__icon{
  width:38px;
  height:38px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,rgba(91,61,245,.16),rgba(34,224,184,.20));
  color:var(--c-primary);
  font-size:15px;
  flex-shrink:0;
}
.stat-badge__num{
  font-family:"DIN Alternate","Barlow",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:20px;
  font-weight:800;
  color:var(--c-primary-deep);
  line-height:1.2;
}
.stat-badge__label{font-size:13px;color:var(--c-ink-3);line-height:1.5}

/* 卡片 */
.card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card__icon{
  width:46px;
  height:46px;
  border-radius:16px;
  display:grid;
  place-items:center;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:18px;
  margin-bottom:18px;
}
.card__title{font-size:18px;font-weight:600;margin-bottom:10px;color:var(--c-ink)}
.card__text{font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.card__meta{margin-top:18px;display:flex;align-items:center;gap:10px}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12.5px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:6px;
  padding:4px 10px;
  line-height:1.5;
}
.tag--signal{color:#0C7A64;background:rgba(34,224,184,.16)}
.tag--accent{color:#B93F17;background:rgba(255,107,61,.14)}

/* 时间轴 */
.timeline{position:relative;padding-left:44px;margin-top:12px}
.timeline::before{
  content:"";
  position:absolute;
  left:10px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,rgba(91,61,245,.12) 100%);
}
.timeline__item{position:relative;margin-bottom:20px}
.timeline__item:last-child{margin-bottom:0}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-44px;
  top:26px;
  width:22px;
  height:22px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--c-primary);
  box-shadow:0 0 0 5px rgba(91,61,245,.10);
  transition:border-color .25s,box-shadow .25s;
}
.timeline__item:hover::before{border-color:var(--c-accent);box-shadow:0 0 0 6px rgba(255,107,61,.14)}
.timeline__body{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card-md);
  padding:22px 26px;
  box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s;
}
.timeline__item:hover .timeline__body{transform:translateY(-3px);box-shadow:var(--sh-2)}
.timeline__num{
  font-family:"DIN Alternate","Barlow",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  color:var(--c-primary);
  display:inline-block;
  margin-bottom:8px;
}
.timeline__body h3{font-size:18px;margin-bottom:8px}
.timeline__body p{font-size:15px;line-height:1.8}

/* 功能矩阵 */
.matrix{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:8px;
}
.matrix__item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card-sm);
  padding:20px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.matrix__item:hover{border-color:rgba(91,61,245,.42);transform:translateY(-3px);box-shadow:var(--sh-1)}
.matrix__icon{
  width:36px;
  height:36px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:rgba(34,224,184,.16);
  color:#0C7A64;
  font-size:15px;
  flex-shrink:0;
}
.matrix__name{font-size:16px;font-weight:600;color:var(--c-ink);display:block;margin-bottom:4px}
.matrix__desc{font-size:13.5px;line-height:1.7;color:var(--c-ink-3)}

/* 图文交替 */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:72px}
.split__media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  aspect-ratio:16/9;
  background:var(--c-primary-soft);
}
.split__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.split:hover .split__media img{transform:scale(1.03)}
.split__caption{
  margin-top:12px;
  font-size:13px;
  color:var(--c-ink-3);
  text-align:center;
}
.split__text h3{font-size:clamp(20px,1.8vw,26px);margin-bottom:16px;color:var(--c-ink)}
.split__text p + p{margin-top:14px}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  line-height:1.75;
  color:var(--c-ink-2);
}
.check-list li i{
  color:var(--c-signal);
  font-size:14px;
  margin-top:6px;
  flex-shrink:0;
}
.split--reverse .split__text{order:2}
.split--reverse .split__media-wrap{order:1}

/* FAQ */
.faq{margin-top:8px;display:flex;flex-direction:column;gap:14px}
.faq__item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card-md);
  overflow:hidden;
  transition:border-color .25s,box-shadow .25s;
}
.faq__item.is-open{
  border-color:rgba(91,61,245,.36);
  box-shadow:var(--sh-1);
  background:var(--c-primary-soft);
}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.5;
}
.faq__q i{
  color:var(--c-primary);
  font-size:14px;
  flex-shrink:0;
  transition:transform .3s;
}
.faq__item.is-open .faq__q i{transform:rotate(180deg)}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq__a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* CTA 区 */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  background-color:var(--c-night);
  background-image:linear-gradient(115deg,rgba(13,8,36,.94) 0%,rgba(42,24,120,.78) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:64px 56px;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);
  gap:40px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-100px;
  bottom:-200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,184,.16) 0%,rgba(34,224,184,0) 70%);
  pointer-events:none;
}
.cta-band__inner{position:relative;z-index:1}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.82);font-size:16px;max-width:34em}
.cta-band__actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* 页脚 */
.site-footer{
  background:var(--c-night);
  color:rgba(255,255,255,.68);
  padding:72px 0 28px;
  margin-top:var(--sp-section);
}
.footer-grid{padding-bottom:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand__mark{background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-signal) 160%)}
.footer-brand .brand__text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:34em}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  padding:0;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--c-signal)}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.66);
}
.footer-contact i{color:var(--c-signal);font-size:13px;margin-top:6px;flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}

/* 固定转化条 */
.sticky-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:850;
  display:flex;
  align-items:center;
  gap:16px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:10px 12px 10px 24px;
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .3s,transform .3s,visibility .3s;
}
.sticky-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.sticky-cta__hint{font-size:13px;color:var(--c-ink-3);line-height:1.5;max-width:15em}
.sticky-cta__close{
  width:34px;
  height:34px;
  border-radius:50%;
  display:grid;
  place-items:center;
  color:var(--c-ink-3);
  background:var(--c-primary-soft);
  font-size:13px;
  flex-shrink:0;
  transition:background-color .25s,color .25s;
}
.sticky-cta__close:hover{background:var(--c-primary);color:#fff}

/* 响应式 */
@media (max-width:1279px){
  :root{--sp-section:88px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .container{padding:0 24px}
  .site-header .container{padding:0 24px}
  .nav-toggle{display:inline-flex}
  .nav-backdrop{
    display:block;
    position:fixed;
    inset:0;
    background:rgba(13,8,36,.52);
    opacity:0;
    visibility:hidden;
    transition:opacity .3s,visibility .3s;
    z-index:998;
  }
  body.nav-open .nav-backdrop{opacity:1;visibility:visible}
  .nav-links{
    position:fixed;
    top:0;
    right:0;
    width:78%;
    max-width:340px;
    height:100%;
    padding:96px 24px 130px;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
    transform:translateX(102%);
    transition:transform .32s ease;
    z-index:999;
    box-shadow:-18px 0 40px rgba(13,8,36,.18);
  }
  .nav-links a{
    color:var(--c-ink);
    font-size:16px;
    width:100%;
    padding:13px 0;
    border-bottom:1px solid var(--c-line);
  }
  .nav-links a.is-active{color:var(--c-primary)}
  .nav-links a:hover{color:var(--c-primary)}
  .nav-actions{
    position:fixed;
    right:0;
    bottom:0;
    width:78%;
    max-width:340px;
    padding:16px 24px calc(20px + env(safe-area-inset-bottom));
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    transform:translateX(102%);
    transition:transform .32s ease;
    z-index:1000;
    border-top:1px solid var(--c-line);
  }
  .nav-actions .link-arrow{justify-content:center;border-bottom:0;color:var(--c-primary)}
  .nav-actions .btn{width:100%}
  body.nav-open .nav-links,body.nav-open .nav-actions{transform:translateX(0)}
  .cat-hero{margin:12px 12px 0;border-radius:22px}
  .cat-hero__inner{
    grid-template-columns:minmax(0,1fr);
    padding:120px 0 48px;
    min-height:280px;
    gap:28px;
  }
  .cat-hero__media{max-width:520px;aspect-ratio:16/9}
  .badge-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:minmax(0,1fr);gap:32px}
  .split--reverse .split__text{order:1}
  .split--reverse .split__media-wrap{order:2}
  .split + .split{margin-top:56px}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:48px 36px;gap:28px}
  .cta-band__actions{justify-content:flex-start}
  .site-footer{padding-top:56px;margin-top:64px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 18px}
  .site-header .container{padding:0 18px}
  .brand__text{font-size:15px}
  .cat-hero{margin:10px 10px 0;border-radius:18px}
  .cat-hero__inner{padding:104px 0 40px}
  .cat-hero__lead{font-size:15px}
  .cat-hero__actions .btn{width:100%}
  .badge-row{grid-template-columns:minmax(0,1fr);gap:12px}
  .stat-badge{padding:12px 18px}
  .matrix{grid-template-columns:minmax(0,1fr)}
  .timeline{padding-left:32px}
  .timeline__item::before{left:-32px;width:18px;height:18px;top:24px}
  .timeline__body{padding:18px 18px}
  .faq__q{padding:17px 18px;font-size:16px}
  .faq__a p{padding:0 18px 18px}
  .cta-band{padding:36px 22px;border-radius:22px}
  .cta-band__actions .btn{width:100%}
  body{padding-bottom:76px}
  .sticky-cta{
    left:0;
    right:0;
    bottom:0;
    border-radius:0;
    border-left:0;
    border-right:0;
    border-bottom:0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    gap:12px;
    justify-content:space-between;
  }
  .sticky-cta__hint{display:none}
  .sticky-cta .btn--primary{flex:1;padding:13px 18px}
  .sticky-cta__close{width:40px;height:40px}
}
@media (max-width:520px){
  .cat-hero h1{font-size:26px}
  .card{padding:20px}
  .section-title{padding-left:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .card:hover,.timeline__item:hover .timeline__body,.matrix__item:hover{transform:none}
}