/* roulang page: index */
:root{
  --bg-0:#0A0714;
  --bg-1:#140C24;
  --bg-2:#1C1233;
  --bg-3:#241640;
  --c-primary:#FF2E88;
  --c-primary-2:#FF7A18;
  --grad-main:linear-gradient(100deg,#FF2E88 0%,#FF7A18 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,46,136,.18),rgba(255,122,24,.10));
  --c-accent:#2BE6C8;
  --c-warn:#FFC53D;
  --t-1:#F6F2FF;
  --t-2:#B7ABDD;
  --t-3:#7E7398;
  --t-inv:#0A0714;
  --line:rgba(255,255,255,.08);
  --line-glow:rgba(255,46,136,.42);
  --sh-1:0 6px 20px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35),0 10px 34px rgba(255,46,136,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Space Grotesk",system-ui,sans-serif;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --r-in:12px;
  --maxw:1240px;
  --sec-pad:88px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.grad-text{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(10,7,20,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad-main);opacity:.55;
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:26px;height:26px;border-radius:9px;background:var(--grad-main);
  box-shadow:0 0 14px rgba(255,46,136,.55);flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;
  padding:0 14px;font-size:15px;color:var(--t-2);transition:color .25s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--grad-main);border-radius:2px;transform:scaleX(0);
  transform-origin:left center;transition:transform .28s ease;opacity:.9;
}
.nav-link:hover{color:var(--t-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;
  color:transparent;font-weight:700;
  text-shadow:0 0 18px rgba(255,46,136,.35);
}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(255,46,136,.65);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t-1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-1);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ============ DRAWER ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,3,11,.7);z-index:130;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;z-index:140;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .34s cubic-bezier(.4,0,.2,1);
  padding:20px 22px 32px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-title{font-size:16px;font-weight:800;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--t-2);
}
.drawer-link{
  display:flex;align-items:center;gap:12px;padding:14px 12px;border-radius:var(--r-sm);
  font-size:17px;color:var(--t-2);transition:background .25s ease,color .25s ease;
}
.drawer-link::before{
  content:"";width:3px;height:20px;border-radius:3px;background:var(--grad-main);
  opacity:.4;transition:opacity .25s ease;
}
.drawer-link:hover,.drawer-link.is-active{background:var(--bg-3);color:var(--t-1);}
.drawer-link.is-active::before,.drawer-link:hover::before{opacity:1;}
.drawer-cta{margin-top:18px;}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:650;letter-spacing:.01em;
  transition:transform .72s ease,box-shadow .3s ease,background-position .72s ease,
             border-color .3s ease,color .3s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{
  background:var(--grad-main);background-size:180% 100%;background-position:0% 50%;
  color:var(--t-inv);border-radius:var(--r-pill);
  box-shadow:0 6px 18px rgba(255,46,136,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);background-position:100% 50%;box-shadow:var(--sh-glow);
}
.btn-ghost{
  background:transparent;border:1px solid var(--line);color:var(--t-1);
  border-radius:var(--r-pill);
}
.btn-ghost:hover{border-color:var(--line-glow);color:var(--t-1);transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,46,136,.16);}
.btn-text{
  padding:0;min-height:auto;color:var(--c-accent);font-weight:650;gap:6px;
}
.btn-text .arrow{transition:transform .3s ease;}
.btn-text:hover .arrow{transform:translateX(5px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* ============ BADGES ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;
  border:1px solid rgba(43,230,200,.4);background:rgba(43,230,200,.08);color:var(--c-accent);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;white-space:nowrap;
}
.badge b{font-weight:800;}
.badge-hot{
  border-color:var(--line-glow);background:var(--grad-soft);color:var(--t-1);
}
.badge-hot b{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;}
.badge-warn{border-color:rgba(255,197,61,.4);background:rgba(255,197,61,.08);color:var(--c-warn);}
.badge-dot{width:5px;height:5px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 8px var(--c-accent);}

.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:12px;color:var(--t-2);letter-spacing:.02em;
}

/* ============ SECTIONS ============ */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:36px;max-width:760px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--grad-soft);
  font-size:12px;color:var(--t-2);letter-spacing:.06em;margin-bottom:16px;
}
h2.sec-title{
  font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
}
.sec-desc{margin-top:14px;color:var(--t-2);font-size:15px;line-height:1.85;}

/* ============ HERO ============ */
.hero{
  position:relative;padding:132px 0 78px;overflow:hidden;
  background:
    radial-gradient(900px 520px at 82% 8%,rgba(255,46,136,.20),transparent 62%),
    radial-gradient(760px 480px at 8% 92%,rgba(43,230,200,.10),transparent 66%),
    var(--bg-0);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-main);opacity:.35;
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.hero-title{
  font-size:clamp(30px,4.6vw,54px);line-height:1.18;font-weight:800;letter-spacing:-.015em;
}
.hero-sub{margin-top:20px;font-size:17px;color:var(--t-2);max-width:520px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-note{margin-top:18px;font-size:13px;color:var(--t-3);}

.hero-visual{position:relative;height:452px;display:flex;align-items:center;justify-content:center;}
.vcard{
  position:absolute;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--bg-2);
}
.vcard img{width:100%;height:100%;object-fit:cover;}
.vcard-main{width:236px;height:420px;z-index:3;border-color:var(--line-glow);box-shadow:var(--sh-glow);}
.vcard-side{width:196px;height:348px;z-index:2;opacity:.62;filter:saturate(.85);}
.vcard-left{transform:translateX(-172px) rotate(-6deg);}
.vcard-right{transform:translateX(172px) rotate(6deg);}
.vcard-tag{
  position:absolute;left:12px;bottom:12px;right:12px;z-index:4;
  padding:12px 14px;border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(10,7,20,0) 0%,rgba(10,7,20,.92) 72%);
}
.vcard-tag strong{display:block;font-size:14px;font-weight:700;line-height:1.5;}
.vcard-tag span{display:block;font-size:12px;color:var(--t-2);margin-top:4px;}

/* ============ STAT STRIP ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:26px 28px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--bg-2);box-shadow:var(--sh-1);margin-top:-14px;
}
.stat-item{display:flex;flex-direction:column;gap:5px;}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:800;line-height:1.1;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:13px;color:var(--t-3);}

/* ============ FEATURE CARDS ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}

.card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--sh-glow);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:700;line-height:1.45;transition:color .3s ease;}
.card:hover .card-title{
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.card-text{font-size:14px;color:var(--t-2);line-height:1.8;}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:6px;}

/* ============ RANK LIST ============ */
.rank-list{border-top:1px solid var(--line);}
.rank-item{
  position:relative;display:grid;grid-template-columns:96px 1fr;gap:24px;align-items:start;
  padding:26px 22px 26px 18px;border-bottom:1px solid var(--line);
  transition:background .3s ease;
}
.rank-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad-main);opacity:0;transition:opacity .3s ease;
}
.rank-item:hover{background:var(--bg-3);}
.rank-item:hover::before{opacity:1;}
.rank-idx{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:40px;font-weight:800;line-height:1;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:.9;
}
.rank-main h3{font-size:19px;font-weight:700;line-height:1.45;}
.rank-main p{margin-top:8px;font-size:14px;color:var(--t-2);max-width:720px;}
.rank-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}

/* ============ NEWS (CMS) ============ */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-glow);box-shadow:var(--sh-glow);}
.news-card.is-feature{grid-column:span 2;grid-row:span 2;}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-date{font-size:12px;color:var(--t-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.news-title{
  font-size:16px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .3s ease;
}
.news-card:hover .news-title{
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.news-desc{
  font-size:13.5px;color:var(--t-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;padding-top:8px;
  font-size:13px;color:var(--c-accent);font-weight:650;
}
.news-more .arrow{transition:transform .3s ease;}
.news-card:hover .news-more .arrow{transform:translateX(4px);}
.news-card.is-feature .news-title{font-size:22px;-webkit-line-clamp:2;}
.news-card.is-feature .news-desc{-webkit-line-clamp:3;font-size:14.5px;}

.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:var(--bg-2);text-align:center;
}
.empty-state svg{width:38px;height:38px;stroke:var(--t-3);fill:none;stroke-width:1.6;}
.empty-state p{font-size:14px;color:var(--t-2);}

/* ============ REVIEWS ============ */
.review-scroll{
  display:grid;grid-auto-flow:column;grid-auto-columns:318px;gap:20px;
  overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.review-scroll::-webkit-scrollbar{height:6px;}
.review-scroll::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:6px;}
.review-card{
  scroll-snap-align:start;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
  transition:border-color .3s ease,transform .3s ease;display:flex;flex-direction:column;gap:14px;
}
.review-card:hover{border-color:var(--line-glow);transform:translateY(-4px);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  background:var(--grad-soft);border:2px solid transparent;
  background-clip:padding-box;position:relative;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:800;font-size:15px;color:var(--t-1);
  box-shadow:0 0 0 2px rgba(255,46,136,.45);
}
.review-name{font-size:14px;font-weight:700;}
.review-role{font-size:12px;color:var(--t-3);}
.review-text{font-size:14px;color:var(--t-2);line-height:1.8;}
.review-foot{margin-top:auto;}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line-glow);background:var(--bg-2);box-shadow:var(--sh-1);
  padding:40px 42px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:.9;z-index:0;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:var(--grad-main);opacity:.16;filter:blur(30px);
}
.cta-left{position:relative;z-index:1;max-width:640px;}
.cta-left h2{font-size:clamp(20px,2.4vw,28px);font-weight:800;line-height:1.3;}
.cta-left p{margin-top:10px;font-size:14.5px;color:var(--t-2);}
.cta-band .btn{position:relative;z-index:1;flex-shrink:0;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  position:relative;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;transition:border-color .3s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-main);
  opacity:.85;
}
.faq-item:hover{border-color:var(--line-glow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 24px 20px 28px;font-size:16px;font-weight:650;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ico{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  position:relative;transition:transform .3s ease,border-color .3s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--t-2);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ico::before{width:11px;height:2px;}
.faq-ico::after{width:2px;height:11px;transition:opacity .3s ease;}
.faq-item[open] .faq-ico{transform:rotate(180deg);border-color:var(--line-glow);}
.faq-item[open] .faq-ico::after{opacity:0;}
.faq-body{padding:0 24px 22px 28px;font-size:14.5px;color:var(--t-2);line-height:1.85;animation:faqIn .3s ease;}
@keyframes faqIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}

/* ============ SUBSCRIBE ============ */
.sub-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;max-width:520px;}
.sub-form input{
  flex:1;min-width:210px;height:50px;padding:0 18px;border-radius:var(--r-in);
  background:var(--bg-3);border:1px solid var(--line);color:var(--t-1);font-size:15px;
  font-family:var(--font-cn);transition:border-color .3s ease,box-shadow .3s ease;
}
.sub-form input::placeholder{color:var(--t-3);}
.sub-form input:focus{outline:none;border-color:var(--line-glow);box-shadow:0 0 0 3px rgba(255,46,136,.14);}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;background:var(--bg-1);padding:64px 0 26px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-main);opacity:.6;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-about{font-size:14px;color:var(--t-2);max-width:330px;line-height:1.85;}
.footer-title{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--t-1);}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--t-2);transition:color .25s ease,padding-left .25s ease;}
.footer-links a:hover{color:var(--c-accent);padding-left:5px;}
.footer-contact p{font-size:14px;color:var(--t-2);margin-bottom:10px;word-break:break-all;}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.social-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  transition:border-color .3s ease,box-shadow .3s ease,transform .3s ease;
}
.social-btn svg{width:18px;height:18px;stroke:var(--t-2);fill:none;stroke-width:1.7;transition:stroke .3s ease;}
.social-btn:hover{border-color:var(--line-glow);box-shadow:0 0 16px rgba(255,46,136,.35);transform:translateY(-2px);}
.social-btn:hover svg{stroke:var(--c-accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--t-3);letter-spacing:.02em;
}

/* ============ STICKY MOBILE CTA ============ */
.sticky-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:110;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(10,7,20,.92);backdrop-filter:blur(12px);
  border-top:1px solid var(--line-glow);gap:12px;align-items:center;
}
.sticky-cta .btn{flex:1;min-height:48px;}

/* ============ RESPONSIVE ============ */
@media (max-width:1279px){
  .hero-grid{gap:34px;}
  .vcard-side{width:170px;height:302px;}
  .vcard-left{transform:translateX(-146px) rotate(-6deg);}
  .vcard-right{transform:translateX(146px) rotate(6deg);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(3,1fr);}
  .news-card.is-feature{grid-column:span 2;grid-row:span 1;}
}
@media (max-width:1023px){
  :root{--sec-pad:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-primary{display:none;}
  .hero{padding:112px 0 62px;}
  .hero-grid{grid-template-columns:1fr;gap:42px;}
  .hero-visual{height:398px;order:-1;}
  .hero-sub{max-width:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card.is-feature{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .sticky-cta{display:flex;}
  body{padding-bottom:76px;}
}
@media (max-width:767px){
  :root{--sec-pad:48px;}
  .container{padding:0 18px;}
  .hero{padding:96px 0 52px;}
  .hero-visual{height:344px;}
  .vcard-main{width:196px;height:348px;}
  .vcard-side{width:140px;height:248px;opacity:.5;}
  .vcard-left{transform:translateX(-116px) rotate(-6deg);}
  .vcard-right{transform:translateX(116px) rotate(6deg);}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-card.is-feature{grid-column:span 1;}
  .rank-item{grid-template-columns:60px 1fr;gap:16px;padding:22px 14px;}
  .rank-idx{font-size:30px;}
  .review-scroll{grid-auto-columns:80%;}
  .stat-strip{padding:22px 20px;gap:16px;}
  .stat-num{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sec-head-row{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .logo-text{font-size:16px;}
  .hero-title{font-size:29px;}
  .review-scroll{grid-auto-columns:88%;}
  .cta-band{padding:26px 20px;}
  .faq-item summary{padding:16px 16px 16px 22px;font-size:15px;}
  .faq-body{padding:0 16px 18px 22px;}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root{
  --bg-0:#0A0714;
  --bg-1:#140C24;
  --bg-2:#1C1233;
  --bg-3:#241640;
  --c-primary:#FF2E88;
  --c-primary-2:#FF7A18;
  --c-accent:#2BE6C8;
  --c-warn:#FFC53D;
  --grad-main:linear-gradient(100deg,#FF2E88 0%,#FF7A18 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,46,136,.18),rgba(255,122,24,.10));
  --t-1:#F6F2FF;
  --t-2:#B7ABDD;
  --t-3:#7E7398;
  --t-inv:#0A0714;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --line-glow:rgba(255,46,136,.42);
  --sh-1:0 6px 20px rgba(0,0,0,.45);
  --sh-2:0 18px 48px rgba(0,0,0,.55);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35),0 10px 34px rgba(255,46,136,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Space Grotesk",system-ui,sans-serif;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --r-pill:999px;
  --container:1240px;
  --read:760px;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(760px 420px at 12% -6%,rgba(255,46,136,.20),transparent 62%),
    radial-gradient(680px 400px at 92% 4%,rgba(255,122,24,.14),transparent 60%),
    radial-gradient(600px 500px at 50% 110%,rgba(43,230,200,.08),transparent 65%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .28s ease,border-color .28s ease,background .28s ease;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(255,46,136,.35);color:#fff;}

/* ===== 布局 ===== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
main{position:relative;z-index:1;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.grad-text{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-title{
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-sub{
  margin-top:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--t-2);
  max-width:620px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ===== 顶栏导航 ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:rgba(10,7,20,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,46,136,.28);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:var(--grad-main);
  opacity:.55;
}
.nav-wrap{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  flex:0 0 auto;
}
.logo-mark{
  width:26px;height:26px;
  border-radius:9px;
  background:var(--grad-main);
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 8px 22px rgba(255,46,136,.42);
  position:relative;
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:4px;
  background:rgba(10,7,20,.72);
}
.logo-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  color:var(--t-2);
  border-radius:10px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .32s cubic-bezier(.4,0,.2,1);
}
.nav-link:hover{color:var(--t-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--t-1);
  background:rgba(255,46,136,.10);
  text-shadow:0 0 18px rgba(255,46,136,.45);
}
.nav-link.is-active::after{
  transform:scaleX(1);
  box-shadow:0 0 12px rgba(255,46,136,.75);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:650;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .32s ease,box-shadow .32s ease,background-position .72s ease,border-color .32s ease,color .32s ease;
  white-space:nowrap;
  cursor:pointer;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:52px;padding:0 30px;font-size:16px;}
.btn-primary{
  background-image:var(--grad-main);
  background-size:200% 100%;
  background-position:0% 50%;
  color:var(--t-inv);
  box-shadow:0 8px 26px rgba(255,46,136,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background-position:100% 50%;
  box-shadow:var(--sh-glow);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--t-1);
}
.btn-ghost:hover{
  border-color:var(--line-glow);
  box-shadow:0 0 0 1px var(--line-glow),0 8px 26px rgba(255,46,136,.16);
  transform:translateY(-2px);
}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-accent);
  font-size:14px;
  font-weight:650;
  min-height:44px;
}
.btn-link svg{width:16px;height:16px;transition:transform .3s ease;}
.btn-link:hover svg{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* 移动端导航按钮 + 抽屉 */
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--t-1);
  transition:transform .3s ease,opacity .3s ease;
  position:relative;
}
.nav-toggle span::before{content:"";position:absolute;top:-6px;left:0;}
.nav-toggle span::after{content:"";position:absolute;top:6px;left:0;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(6,4,12,.72);
  opacity:0;
  visibility:hidden;
  transition:opacity .34s ease,visibility .34s ease;
  z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:min(86vw,340px);
  background:var(--bg-1);
  border-left:1px solid var(--line);
  box-shadow:-24px 0 60px rgba(0,0,0,.6);
  transform:translateX(102%);
  transition:transform .38s cubic-bezier(.4,0,.2,1);
  z-index:140;
  padding:22px 20px 34px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:26px;
}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--t-2);
  font-size:20px;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--t-1);border-color:var(--line-glow);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  position:relative;
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 16px;
  font-size:18px;
  font-weight:600;
  color:var(--t-2);
  border-radius:14px;
  transition:background .3s ease,color .3s ease;
}
.drawer-nav a::before{
  content:"";
  position:absolute;
  left:2px;top:12px;bottom:12px;
  width:3px;
  border-radius:3px;
  background:var(--grad-main);
  opacity:0;
  transition:opacity .3s ease;
}
.drawer-nav a:hover,
.drawer-nav a.is-active{color:var(--t-1);background:var(--bg-3);}
.drawer-nav a:hover::before,
.drawer-nav a.is-active::before{opacity:1;}
.drawer-cta{margin-top:24px;}

/* ===== 面包屑 ===== */
.crumb-bar{
  padding:96px 0 0;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:1.5;
  color:var(--t-3);
}
.breadcrumb a{color:var(--t-3);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{color:var(--t-3);opacity:.7;}
.breadcrumb .current{color:var(--t-2);}

/* ===== 文章头 ===== */
.article-head{
  padding:22px 0 0;
  max-width:var(--read);
  margin:0 auto;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--c-accent);
  background:rgba(43,230,200,.08);
  border:1px solid rgba(43,230,200,.34);
}
.pill-hot{
  color:#FFD9E8;
  background:rgba(255,46,136,.12);
  border-color:var(--line-glow);
}
.article-title{
  margin-top:18px;
  font-size:clamp(27px,4vw,44px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.012em;
  word-break:break-word;
}
.article-meta{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 10px;
  font-size:13px;
  color:var(--t-3);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{opacity:.5;}
.article-meta .m-item{color:var(--t-3);}

/* 数据徽章 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1;
  letter-spacing:.02em;
  color:var(--c-accent);
  background:rgba(43,230,200,.08);
  border:1px solid rgba(43,230,200,.32);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.badge svg{width:13px;height:13px;flex:0 0 auto;}
.badge b{font-weight:750;color:var(--t-1);}
.badge-hot{
  color:#FFD9E8;
  background:rgba(255,46,136,.12);
  border-color:var(--line-glow);
}
.badge-hot b{color:#fff;}

/* 封面 */
.cover-figure{
  margin:30px auto 0;
  max-width:960px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--sh-1);
}
.cover-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.cover-cap{
  margin-top:12px;
  text-align:center;
  font-size:12px;
  color:var(--t-3);
}

/* ===== 正文 ===== */
.article-main{padding:44px 0 0;}
.prose{
  max-width:var(--read);
  margin:0 auto;
  font-size:16px;
  line-height:1.9;
  color:var(--t-2);
}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 20px;}
.prose p:first-of-type{color:var(--t-1);}
.prose h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(21px,2.4vw,27px);
  line-height:1.35;
  font-weight:700;
  color:var(--t-1);
}
.prose h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:4px;height:1.05em;
  border-radius:4px;
  background:var(--grad-main);
  box-shadow:0 0 14px rgba(255,46,136,.6);
}
.prose h3{
  margin:28px 0 12px;
  font-size:clamp(18px,2vw,21px);
  line-height:1.4;
  font-weight:650;
  color:var(--t-1);
}
.prose a{
  color:var(--c-accent);
  border-bottom:1px dashed rgba(43,230,200,.5);
}
.prose a:hover{color:#8FF6E4;border-bottom-color:#8FF6E4;}
.prose strong{color:var(--t-1);font-weight:700;}
.prose em{color:var(--c-warn);font-style:normal;}
.prose ul,.prose ol{margin:0 0 20px;padding-left:2px;}
.prose ul li,.prose ol li{
  position:relative;
  margin:0 0 10px;
  padding-left:20px;
}
.prose ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.72em;
  width:7px;height:7px;
  border-radius:50%;
  border:2px solid var(--c-accent);
  background:transparent;
}
.prose ol{counter-reset:prose-ol;}
.prose ol li{counter-increment:prose-ol;padding-left:26px;}
.prose ol li::before{
  content:counter(prose-ol)".";
  position:absolute;
  left:0;top:0;
  color:var(--c-primary);
  font-weight:700;
  font-family:var(--font-num);
}
.prose blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:var(--grad-soft);
  border-left:3px solid transparent;
  border-image:var(--grad-main) 1;
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--t-1);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{
  margin:26px auto;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.prose table{
  width:100%;
  margin:26px 0;
  border-collapse:collapse;
  font-size:14.5px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.prose thead th{
  background:var(--bg-3);
  color:var(--t-1);
  font-weight:650;
  text-align:left;
}
.prose th,.prose td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  color:var(--t-2);
}
.prose tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
.prose tbody tr:last-child td{border-bottom:0;}
.prose code{
  padding:2px 6px;
  border-radius:6px;
  background:var(--bg-3);
  color:#FFB4D6;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
}
.prose pre{
  margin:24px 0;
  padding:18px 20px;
  background:var(--bg-3);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow-x:auto;
  font-size:14px;
  line-height:1.75;
}
.prose pre code{background:none;padding:0;color:#EADFFF;}
.prose hr{
  margin:34px 0;
  border:0;
  height:1px;
  background:var(--line);
}

/* 正文尾部标签 + 互动 */
.article-foot{
  max-width:var(--read);
  margin:38px auto 0;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--t-2);
  background:var(--bg-2);
  border:1px solid var(--line);
  transition:border-color .3s ease,color .3s ease,transform .3s ease;
}
.tag:hover{
  color:var(--t-1);
  border-color:var(--line-glow);
  transform:translateY(-2px);
}
.action-group{display:flex;flex-wrap:wrap;gap:10px;}
.action-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--t-2);
  background:var(--bg-2);
  border:1px solid var(--line);
  transition:border-color .3s ease,color .3s ease,box-shadow .3s ease,transform .3s ease;
}
.action-btn svg{width:16px;height:16px;}
.action-btn:hover{
  color:var(--t-1);
  border-color:var(--line-glow);
  box-shadow:var(--sh-glow);
  transform:translateY(-2px);
}

/* 空态 */
.empty-state{
  max-width:var(--read);
  margin:0 auto;
  padding:64px 28px;
  text-align:center;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.empty-icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);
  border:1px solid var(--line);
  color:var(--c-primary);
}
.empty-icon svg{width:28px;height:28px;}
.empty-state p{
  font-size:14px;
  color:var(--t-2);
  margin-bottom:20px;
}

/* ===== 内容卡片 ===== */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .34s cubic-bezier(.4,0,.2,1),border-color .34s ease,box-shadow .34s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-glow);
  box-shadow:var(--sh-glow);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--grad-soft);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.4,0,.2,1);
}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.card-title{
  font-size:17px;
  line-height:1.5;
  font-weight:650;
  color:var(--t-1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card:hover .card-title{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}
.card-desc{
  font-size:14px;
  line-height:1.75;
  color:var(--t-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12px;
  color:var(--t-3);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.card-link{
  color:var(--c-accent);
  font-size:13px;
  font-weight:650;
  font-family:var(--font-cn);
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.card-link svg{width:14px;height:14px;transition:transform .3s ease;}
.card:hover .card-link svg{transform:translateX(4px);}

/* ===== CTA 条 ===== */
.cta-bar{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:34px 36px;
  border-radius:var(--r-lg);
  background:var(--bg-2);
  border:1px solid var(--line-glow);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.cta-bar::before{
  content:"";
  position:absolute;
  inset:0;
  background:var(--grad-soft);
  opacity:.85;
  pointer-events:none;
}
.cta-bar > *{position:relative;z-index:1;}
.cta-title{
  font-size:clamp(19px,2.2vw,25px);
  line-height:1.35;
  font-weight:700;
  color:var(--t-1);
}
.cta-desc{
  margin-top:8px;
  font-size:14px;
  line-height:1.7;
  color:var(--t-2);
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:88px;
  background:var(--bg-1);
  border-top:1px solid transparent;
  padding:64px 0 30px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--grad-main);
  opacity:.6;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:34px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-about{
  font-size:14px;
  line-height:1.8;
  color:var(--t-2);
  max-width:340px;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:20px;
}
.social-btn{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--t-2);
  transition:color .3s ease,border-color .3s ease,box-shadow .3s ease,transform .3s ease;
}
.social-btn svg{
  width:18px;height:18px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.social-btn:hover{
  color:var(--t-1);
  border-color:var(--line-glow);
  box-shadow:0 0 0 1px var(--line-glow),0 8px 22px rgba(255,46,136,.24);
  transform:translateY(-2px);
}
.footer-title{
  font-size:15px;
  font-weight:650;
  color:var(--t-1);
  margin-bottom:16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  font-size:14px;
  color:var(--t-2);
}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact p{
  font-size:14px;
  line-height:1.8;
  color:var(--t-2);
  margin-bottom:6px;
}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12px;
  color:var(--t-3);
  letter-spacing:.02em;
}

/* ===== 底部跟进行动条（移动端） ===== */
.sticky-cta{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:110;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(10,7,20,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,46,136,.3);
}
.sticky-cta .btn{width:100%;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .section{padding:76px 0;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .container{padding:0 22px;}
  .section{padding:64px 0;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px;}
  .crumb-bar{padding-top:82px;}
  .article-head{padding-top:16px;}
  .article-meta{gap:6px 8px;}
  .cover-figure{margin-top:22px;border-radius:var(--r-md);}
  .article-main{padding-top:32px;}
  .prose{font-size:15.5px;}
  .prose h2{margin-top:32px;padding-left:14px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-about{max-width:none;}
  .site-footer{margin-top:64px;padding:48px 0 26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sticky-cta{display:block;}
  .site-footer{padding-bottom:96px;}
}
@media (max-width:520px){
  .logo-text{font-size:17px;}
  .btn{padding:0 18px;font-size:14px;}
  .btn-lg{min-height:50px;padding:0 22px;font-size:15px;}
  .article-title{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-bar{padding:24px 20px;border-radius:var(--r-md);}
  .empty-state{padding:44px 20px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0714;
  --bg-1:#140C24;
  --bg-2:#1C1233;
  --bg-3:#241640;
  --c-primary:#FF2E88;
  --c-primary-2:#FF7A18;
  --grad-main:linear-gradient(100deg,#FF2E88 0%,#FF7A18 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,46,136,.18),rgba(255,122,24,.10));
  --c-accent:#2BE6C8;
  --c-warn:#FFC53D;
  --t-1:#F6F2FF;
  --t-2:#B7ABDD;
  --t-3:#7E7398;
  --t-inv:#0A0714;
  --line:rgba(255,255,255,.08);
  --line-glow:rgba(255,46,136,.42);
  --sh-1:0 6px 20px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35),0 10px 34px rgba(255,46,136,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Space Grotesk",system-ui,sans-serif;
  --r-lg:24px;
  --r-md:18px;
  --r-btn:14px;
  --r-pill:999px;
  --r-input:12px;
  --sec-pad:88px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;font-weight:800;letter-spacing:.01em;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;}
h3{font-size:clamp(18px,2vw,22px);line-height:1.35;font-weight:650;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.grad-text{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.section{padding:var(--sec-pad) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head p{color:var(--t-2);font-size:14px;margin-top:10px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--c-accent);
  text-transform:uppercase;
  font-family:var(--font-num);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--grad-main);
  border-radius:2px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:90;
  background:rgba(10,7,20,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1px;
  background:var(--grad-main);
  opacity:.55;
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  white-space:nowrap;
}
.logo-mark{
  width:22px;
  height:22px;
  border-radius:7px;
  background:var(--grad-main);
  box-shadow:0 0 14px rgba(255,46,136,.55);
  display:inline-block;
  flex:none;
}
.logo-text{font-weight:800;}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--t-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--grad-main);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
}
.nav-link:hover{color:var(--t-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  font-weight:700;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-link.is-active::after{
  transform:scaleX(1);
  box-shadow:0 0 12px rgba(255,46,136,.7);
}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--t-1);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--t-1);
  border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-mask{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(10,7,20,.7);
  z-index:88;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  transition:transform .72s cubic-bezier(.2,.8,.2,1),box-shadow .4s ease,border-color .3s ease,background-position .6s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-main);
  background-size:160% 100%;
  color:var(--t-inv);
  box-shadow:0 8px 22px rgba(255,46,136,.28);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-glow);
  background-position:100% 0;
}
.btn-ghost{
  border:1px solid var(--line);
  color:var(--t-1);
  background:transparent;
}
.btn-ghost:hover{
  border-color:var(--line-glow);
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(0,0,0,.4);
}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-ghost{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--c-accent);
}
.link-ghost svg{width:16px;height:16px;transition:transform .3s ease;}
.link-ghost:hover svg{transform:translateX(4px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid rgba(43,230,200,.35);
  background:rgba(43,230,200,.08);
  color:var(--c-accent);
  font-size:12px;
  line-height:1;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.8;}
.badge b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;color:var(--c-accent);}
.badge-hot{
  border-color:rgba(255,46,136,.45);
  background:rgba(255,46,136,.09);
  color:var(--t-1);
}
.badge-hot b{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.badge-warn{
  border-color:rgba(255,197,61,.4);
  background:rgba(255,197,61,.09);
  color:var(--c-warn);
}
.badge-warn b{color:var(--c-warn);}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 面包屑 ============ */
.crumb{
  font-size:13px;
  color:var(--t-3);
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:18px;
}
.crumb a:hover{color:var(--t-1);}
.crumb .sep{opacity:.6;}
.crumb .current{color:var(--t-2);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  margin-top:64px;
  padding:66px 0 54px;
  overflow:hidden;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.42;
  z-index:0;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:var(--grad-soft);
  z-index:1;
}
.cat-hero::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:160px;
  background:linear-gradient(180deg,rgba(10,7,20,0) 0%,var(--bg-0) 100%);
  z-index:2;
}
.cat-hero .container{position:relative;z-index:3;}
.cat-hero h1{margin-bottom:16px;max-width:900px;}
.cat-hero .lede{
  max-width:660px;
  color:var(--t-2);
  font-size:16px;
  margin-bottom:24px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 数据徽章带 ============ */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-1);
  box-shadow:var(--sh-1);
}
.stat-cell{
  padding:6px 12px;
  border-left:3px solid transparent;
  border-image:var(--grad-main) 1;
}
.stat-cell .k{
  font-size:12px;
  color:var(--t-3);
  letter-spacing:.04em;
  margin-bottom:6px;
}
.stat-cell .v{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:800;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-cell .v span{font-size:13px;font-weight:600;margin-left:4px;color:var(--t-2);-webkit-text-fill-color:var(--t-2);}

/* ============ 筛选 Tab ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:30px;
}
.filter-pill{
  min-height:40px;
  display:inline-flex;
  align-items:center;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  color:var(--t-2);
  font-size:14px;
  transition:all .3s ease;
}
.filter-pill:hover{border-color:var(--line-glow);color:var(--t-1);}
.filter-pill.is-active{
  background:var(--grad-main);
  color:var(--t-inv);
  font-weight:700;
  border-color:transparent;
  box-shadow:0 6px 18px rgba(255,46,136,.3);
}

/* ============ 竖屏卡片墙 ============ */
.wall{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.pv-card{
  position:relative;
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.pv-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-glow);
  box-shadow:var(--sh-glow);
}
.pv-media{
  position:relative;
  aspect-ratio:9/16;
  overflow:hidden;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad-soft);
}
.pv-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.pv-card:hover .pv-media img{transform:scale(1.04);}
.pv-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,7,20,.1) 0%,rgba(10,7,20,.25) 45%,rgba(10,7,20,.92) 100%);
}
.pv-tag{
  position:absolute;
  top:12px;
  right:12px;
  z-index:2;
  height:24px;
  padding:0 10px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-pill);
  font-size:12px;
  background:rgba(10,7,20,.72);
  border:1px solid rgba(255,46,136,.5);
  color:var(--t-1);
}
.pv-play{
  position:absolute;
  left:14px;
  bottom:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--c-accent);
}
.pv-play svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;}
.pv-body{
  padding:18px 18px 20px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.pv-body h3{
  font-size:16px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .3s ease;
}
.pv-card:hover .pv-body h3{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.pv-body p{
  font-size:13px;
  color:var(--t-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.pv-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12px;
  color:var(--t-3);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  border-top:1px solid var(--line);
  padding-top:12px;
}

/* ============ 编号榜单 ============ */
.rank-list{
  border-top:1px solid var(--line);
}
.rank-item{
  position:relative;
  display:grid;
  grid-template-columns:104px 1fr auto;
  align-items:center;
  gap:26px;
  padding:26px 22px;
  border-bottom:1px solid var(--line);
  transition:background .3s ease;
}
.rank-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--grad-main);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .3s ease;
}
.rank-item:hover{background:var(--bg-3);}
.rank-item:hover::before{transform:scaleY(1);}
.rank-index{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:40px;
  font-weight:800;
  line-height:1;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  opacity:.9;
}
.rank-content h3{margin-bottom:8px;font-size:17px;}
.rank-content p{font-size:14px;color:var(--t-2);}

/* ============ 时间线 ============ */
.timeline{
  position:relative;
  padding-left:28px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:6px;
  top:6px;
  bottom:6px;
  width:2px;
  background:linear-gradient(180deg,rgba(255,46,136,.6),rgba(255,122,24,.15));
  border-radius:2px;
}
.tl-item{
  position:relative;
  padding:0 0 30px 24px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-28px;
  top:8px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--bg-0);
  border:2px solid var(--c-primary);
  box-shadow:0 0 12px rgba(255,46,136,.6);
}
.tl-date{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  color:var(--c-accent);
  margin-bottom:8px;
  letter-spacing:.02em;
}
.tl-item h3{font-size:17px;margin-bottom:8px;}
.tl-item p{font-size:14px;color:var(--t-2);}
.two-col{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:start;
}
.side-card{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-1);
  padding:24px;
  box-shadow:var(--sh-1);
}
.side-card h3{font-size:18px;margin-bottom:14px;}
.side-card + .side-card{margin-top:20px;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--t-2);
  line-height:1.7;
}
.side-list li::before{
  content:"";
  flex:none;
  width:8px;
  height:8px;
  margin-top:8px;
  border-radius:50%;
  border:2px solid var(--c-accent);
}
.progress{
  height:6px;
  border-radius:var(--r-pill);
  background:var(--bg-3);
  overflow:hidden;
  margin-top:10px;
}
.progress span{
  display:block;
  height:100%;
  border-radius:var(--r-pill);
  background:var(--grad-main);
}
.progress-row + .progress-row{margin-top:16px;}
.progress-row .lbl{
  display:flex;
  justify-content:space-between;
  font-size:13px;
  color:var(--t-2);
}
.progress-row .lbl b{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  color:var(--t-1);
}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border-radius:28px;
  border:1px solid var(--line-glow);
  background:linear-gradient(120deg,rgba(255,46,136,.16),rgba(255,122,24,.08)),var(--bg-1);
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,136,.35),transparent 70%);
  filter:blur(8px);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--t-2);font-size:15px;max-width:640px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  position:relative;
  margin-top:20px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:1px;
  background:var(--grad-main);
  opacity:.6;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding:60px 0 40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  margin-bottom:16px;
}
.footer-about{
  font-size:14px;
  color:var(--t-2);
  line-height:1.8;
  max-width:340px;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  color:var(--t-1);
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:var(--t-2);}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact p{font-size:14px;color:var(--t-2);margin-bottom:10px;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.social-btn{
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:all .3s ease;
}
.social-btn svg{
  width:18px;
  height:18px;
  stroke:var(--t-2);
  fill:none;
  stroke-width:1.6;
  transition:stroke .3s ease;
}
.social-btn:hover{border-color:var(--line-glow);box-shadow:0 0 16px rgba(255,46,136,.3);}
.social-btn:hover svg{stroke:var(--c-accent);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0;
  border-top:1px solid var(--line);
  font-size:12px;
  color:var(--t-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .wall{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  :root{--sec-pad:64px;}
  .wall{grid-template-columns:repeat(2,1fr);}
  .two-col{grid-template-columns:1fr;gap:28px;}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:14px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px;}
}
@media (max-width:767px){
  :root{--sec-pad:48px;}
  .container{padding:0 18px;}
  .nav-wrap{height:56px;}
  .nav-links{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(76vw,320px);
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:88px 26px 30px;
    transform:translateX(102%);
    transition:transform .36s cubic-bezier(.3,.8,.3,1);
    z-index:92;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{
    width:100%;
    font-size:18px;
    padding:14px 0 14px 14px;
    border-left:3px solid transparent;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{
    border-left:3px solid var(--c-primary);
    -webkit-text-fill-color:currentColor;
    color:var(--t-1);
    background:none;
  }
  .nav-toggle{display:inline-flex;position:relative;z-index:95;}
  .nav-actions .btn-sm{display:none;}
  body.nav-open .nav-mask{display:block;}
  .cat-hero{margin-top:56px;padding:46px 0 34px;}
  .cat-hero h1{font-size:clamp(26px,7vw,34px);}
  .stat-band{padding:18px;grid-template-columns:repeat(2,1fr);}
  .stat-cell .v{font-size:22px;}
  .rank-item{grid-template-columns:64px 1fr;gap:16px;padding:22px 14px;}
  .rank-index{font-size:30px;}
  .rank-item .badge{grid-column:2;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{padding:44px 0 28px;}
}
@media (max-width:520px){
  .wall{gap:14px;}
  .pv-body{padding:14px;}
  .pv-body h3{font-size:14px;}
  .pv-body p{display:none;}
  .stat-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .filter-pill{padding:0 14px;font-size:13px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#0A0714;
  --bg-1:#140C24;
  --bg-2:#1C1233;
  --bg-3:#241640;
  --c-primary:#FF2E88;
  --c-primary-2:#FF7A18;
  --c-accent:#2BE6C8;
  --c-warn:#FFC53D;
  --grad-main:linear-gradient(100deg,#FF2E88 0%,#FF7A18 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,46,136,.18),rgba(255,122,24,.10));
  --t-1:#F6F2FF;
  --t-2:#B7ABDD;
  --t-3:#7E7398;
  --t-inv:#0A0714;
  --line:rgba(255,255,255,.08);
  --line-glow:rgba(255,46,136,.42);
  --sh-1:0 6px 20px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35), 0 10px 34px rgba(255,46,136,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Space Grotesk",system-ui,sans-serif;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --nav-h:64px;
}
/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(760px 420px at 8% -6%,rgba(255,46,136,.16),transparent 62%),
    radial-gradient(680px 420px at 96% 4%,rgba(255,122,24,.12),transparent 60%),
    radial-gradient(620px 400px at 50% 108%,rgba(43,230,200,.08),transparent 62%);
  pointer-events:none;
  z-index:0;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--t-1);}
h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;font-weight:800;}
h2{font-size:clamp(24px,3vw,36px);}
h3{font-size:clamp(18px,2vw,22px);font-weight:650;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,opacity .25s ease;}
img{max-width:100%;display:block;border-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,46,136,.35);color:#fff;}
.grad-text{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
/* ============ 顶栏导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:var(--nav-h);
  z-index:80;
  background:rgba(10,7,20,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--grad-main);
  opacity:.55;
}
.nav-wrap{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo-mark{
  width:26px;height:26px;
  border-radius:9px;
  background:var(--grad-main);
  box-shadow:0 0 0 1px rgba(255,46,136,.4),0 6px 18px rgba(255,46,136,.35);
  position:relative;
  flex:none;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:4px;
  background:var(--bg-0);
  opacity:.72;
}
.logo-text{font-size:18px;font-weight:800;}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--t-2);
  padding:8px 2px;
  min-height:44px;
  display:inline-flex;
  align-items:center;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-main);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s ease;
}
.nav-link:hover{color:var(--t-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-weight:650;
  text-shadow:0 0 18px rgba(255,46,136,.35);
}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 12px rgba(255,46,136,.6);}
.nav-actions{display:flex;align-items:center;gap:14px;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:650;
  white-space:nowrap;
  transition:transform .3s ease,box-shadow .3s ease,background-position .72s ease,border-color .3s ease,color .3s ease;
}
.btn-primary{
  background:var(--grad-main);
  background-size:180% 100%;
  color:var(--t-inv);
  border:1px solid transparent;
  box-shadow:0 6px 20px rgba(255,46,136,.24);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background-position:100% 0;
  box-shadow:var(--sh-glow);
}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--t-1);
}
.btn-ghost:hover{
  border-color:var(--line-glow);
  transform:translateY(-2px);
  box-shadow:0 8px 26px rgba(255,46,136,.16);
}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  font-size:15px;
  color:var(--t-2);
  font-weight:600;
}
.btn-link .arrow{transition:transform .3s ease;}
.btn-link:hover{color:var(--t-1);}
.btn-link:hover .arrow{transform:translateX(4px);}
.btn-sm{padding:0 16px;font-size:14px;min-height:38px;border-radius:999px;}
/* ============ 汉堡按钮 ============ */
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  position:relative;
  flex:none;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--t-1);
  transform:translateX(-50%);
  transition:transform .3s ease,opacity .3s ease;
  content:"";
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateX(-50%) rotate(45deg);top:0;background:var(--c-primary);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateX(-50%) rotate(-45deg);top:0;background:var(--c-primary);}
.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(6,4,12,.66);
  backdrop-filter:blur(2px);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible;}
/* ============ 页面主体间距 ============ */
main{padding-top:var(--nav-h);}
.section{padding:88px 0;position:relative;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-accent);
  font-weight:700;
  margin-bottom:10px;
}
.section-sub{
  color:var(--t-2);
  font-size:15px;
  max-width:640px;
  margin-top:12px;
}
/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:12.5px;
  color:var(--t-3);
  padding:20px 0 4px;
}
.breadcrumb a{color:var(--t-3);}
.breadcrumb a:hover{color:var(--t-1);}
.breadcrumb .sep{color:var(--t-3);opacity:.7;}
.breadcrumb .current{color:var(--t-2);}
/* ============ Hero 左文右图 ============ */
.hero-split{
  display:grid;
  grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:48px;
  align-items:center;
  padding:28px 0 8px;
}
.hero-copy .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--c-accent);
  border:1px solid rgba(43,230,200,.35);
  background:rgba(43,230,200,.08);
  font-weight:600;
}
.tag-hot{
  color:#FFD9EC;
  border-color:rgba(255,46,136,.45);
  background:rgba(255,46,136,.12);
}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 .hl{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  color:var(--t-2);
  font-size:16px;
  max-width:620px;
  margin-bottom:26px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
/* ============ 数据徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  color:var(--c-accent);
  border:1px solid rgba(43,230,200,.35);
  background:rgba(43,230,200,.08);
  font-weight:600;
  white-space:nowrap;
}
.badge svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.badge-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-weight:700;
}
.badge-hot{
  color:#FFD9EC;
  border-color:rgba(255,46,136,.45);
  background:rgba(255,46,136,.12);
}
.badge-hot .badge-num{color:#fff;}
/* ============ Hero 右侧叠图 ============ */
.hero-visual{position:relative;min-height:340px;}
.hero-card{
  position:absolute;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--sh-1);
  transition:transform .5s ease,border-color .4s ease,box-shadow .4s ease;
}
.hero-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:4/3;
}
.hero-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,7,20,0) 40%,rgba(10,7,20,.78) 100%);
}
.hero-card .hc-label{
  position:absolute;
  left:18px;right:18px;bottom:16px;
  z-index:2;
  font-size:14px;
  font-weight:650;
  color:var(--t-1);
}
.hero-card .hc-sub{
  display:block;
  font-size:12.5px;
  color:var(--t-2);
  font-weight:400;
  margin-top:4px;
}
.hero-card-a{
  width:72%;
  top:0;right:0;
  transform:rotate(2deg);
  z-index:2;
}
.hero-card-b{
  width:66%;
  left:0;bottom:0;
  transform:rotate(-3deg);
  z-index:3;
}
.hero-visual:hover .hero-card-a{transform:rotate(1deg) translateY(-6px);border-color:var(--line-glow);}
.hero-visual:hover .hero-card-b{transform:rotate(-1.5deg) translateY(6px);border-color:var(--line-glow);}
.hero-visual::before{
  content:"";
  position:absolute;
  width:220px;height:220px;
  right:6%;top:8%;
  background:var(--grad-soft);
  filter:blur(38px);
  border-radius:50%;
  z-index:0;
}
/* ============ 图文交替主体 8+4 ============ */
.split-wrap{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  align-items:start;
}
.rich-list{display:flex;flex-direction:column;gap:22px;}
.rich-row{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:24px;
  align-items:center;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:border-color .35s ease,transform .35s ease,box-shadow .35s ease;
}
.rich-row.reverse{grid-template-columns:minmax(0,8fr) minmax(0,4fr);}
.rich-row.reverse .rich-media{order:2;}
.rich-row.reverse .rich-body{order:1;}
.rich-row:hover{
  border-color:var(--line-glow);
  transform:translateY(-4px);
  box-shadow:var(--sh-glow);
}
.rich-media{
  border-radius:var(--r-md);
  overflow:hidden;
  position:relative;
  background:var(--grad-soft);
}
.rich-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-md);
  transition:transform .5s ease;
}
.rich-row:hover .rich-media img{transform:scale(1.04);}
.rich-step{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--c-accent);
  font-weight:700;
  margin-bottom:10px;
}
.rich-body h3{margin-bottom:10px;transition:color .3s ease;}
.rich-row:hover .rich-body h3{
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.rich-body p{color:var(--t-2);font-size:14.5px;line-height:1.8;}
.rich-points{
  margin-top:14px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.rich-points li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--t-2);
  line-height:1.7;
}
.rich-points li::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  border:1px solid var(--c-accent);
  background:rgba(43,230,200,.25);
  margin-top:9px;
  flex:none;
}
/* ============ 侧栏数据卡 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px;}
.stat-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:border-color .35s ease,transform .35s ease,box-shadow .35s ease;
}
.stat-card:hover{
  border-color:var(--line-glow);
  transform:translateY(-4px);
  box-shadow:var(--sh-glow);
}
.stat-value{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3.4vw,42px);
  font-weight:800;
  line-height:1.1;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-value .unit{
  font-size:16px;
  font-weight:700;
  margin-left:4px;
  -webkit-text-fill-color:var(--t-2);
  color:var(--t-2);
}
.stat-label{
  margin-top:8px;
  font-size:14.5px;
  color:var(--t-1);
  font-weight:650;
}
.stat-note{
  margin-top:6px;
  font-size:13px;
  color:var(--t-3);
}
.progress{
  margin-top:16px;
  height:6px;
  border-radius:999px;
  background:var(--bg-3);
  overflow:hidden;
}
.progress-bar{
  height:100%;
  border-radius:999px;
  background:var(--grad-main);
  box-shadow:0 0 12px rgba(255,46,136,.5);
}
.progress-bar.accent{background:linear-gradient(100deg,#2BE6C8,#7FF3E1);box-shadow:0 0 12px rgba(43,230,200,.45);}
.progress-bar.warn{background:linear-gradient(100deg,#FFC53D,#FF9F1C);box-shadow:0 0 12px rgba(255,197,61,.4);}
.stat-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
/* ============ 数据徽章带 ============ */
.badge-strip{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:16px 18px;
  border-radius:var(--r-md);
  background:var(--bg-1);
  border:1px solid var(--line);
  margin-bottom:28px;
}
/* ============ FAQ ============ */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  max-width:920px;
}
.faq-item{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  position:relative;
  overflow:hidden;
  transition:border-color .35s ease,background-color .35s ease;
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--grad-main);
  opacity:.5;
  transition:opacity .3s ease;
}
.faq-item.is-open{border-color:var(--line-glow);background:var(--bg-3);}
.faq-item.is-open::before{opacity:1;box-shadow:0 0 14px rgba(255,46,136,.6);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:20px 22px;
  min-height:56px;
  font-size:16px;
  font-weight:650;
  color:var(--t-1);
}
.faq-q:hover{color:#fff;}
.faq-arrow{
  width:12px;height:12px;
  border-right:2px solid var(--t-2);
  border-bottom:2px solid var(--t-2);
  transform:rotate(45deg);
  transition:transform .35s ease,border-color .3s ease;
  flex:none;
  margin-top:-4px;
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);border-color:var(--c-primary);margin-top:4px;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .45s ease,opacity .35s ease;
  opacity:0;
}
.faq-item.is-open .faq-a{max-height:420px;opacity:1;}
.faq-a p{
  padding:0 22px 22px 22px;
  color:var(--t-2);
  font-size:14.5px;
  line-height:1.85;
}
/* ============ 口碑条 ============ */
.voice-strip{
  display:flex;
  gap:18px;
  overflow-x:auto;
  padding:6px 2px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.voice-strip::-webkit-scrollbar{height:6px;}
.voice-strip::-webkit-scrollbar-thumb{background:rgba(255,46,136,.35);border-radius:999px;}
.voice-card{
  flex:0 0 clamp(260px,30%,360px);
  scroll-snap-align:start;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:border-color .35s ease,transform .35s ease;
}
.voice-card:hover{border-color:var(--line-glow);transform:translateY(-4px);}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:44px;height:44px;
  border-radius:50%;
  padding:2px;
  background:var(--grad-main);
  flex:none;
}
.avatar span{
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;height:100%;
  border-radius:50%;
  background:var(--bg-2);
  font-size:14px;
  font-weight:700;
  color:var(--t-2);
}
.voice-name{font-size:14.5px;font-weight:650;color:var(--t-1);}
.voice-role{font-size:12.5px;color:var(--t-3);}
.voice-text{font-size:14.5px;color:var(--t-2);line-height:1.8;}
.voice-foot{margin-top:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
/* ============ CTA 条 ============ */
.cta-band{
  border-radius:var(--r-lg);
  border:1px solid var(--line-glow);
  background:linear-gradient(120deg,rgba(255,46,136,.16),rgba(255,122,24,.08)),var(--bg-1);
  padding:34px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--t-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none;}
/* ============ 返回首页入口 ============ */
.back-home{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:22px 26px;
  border-radius:var(--r-md);
  border:1px dashed var(--line);
  background:rgba(255,255,255,.02);
  margin-top:28px;
}
.back-home p{color:var(--t-3);font-size:14px;}
/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-1);
  position:relative;
  margin-top:20px;
  padding:64px 0 26px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:var(--grad-main);
  opacity:.55;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-about{
  color:var(--t-2);
  font-size:14px;
  line-height:1.8;
  max-width:340px;
}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.social-btn{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--t-2);
  transition:border-color .3s ease,color .3s ease,box-shadow .3s ease,transform .3s ease;
}
.social-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.social-btn:hover{
  color:var(--c-primary);
  border-color:var(--line-glow);
  box-shadow:0 0 18px rgba(255,46,136,.35);
  transform:translateY(-2px);
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--t-1);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:14px;
  color:var(--t-2);
  min-height:24px;
  display:inline-flex;
  align-items:center;
}
.footer-links a:hover{color:var(--c-primary);}
.footer-contact p{
  font-size:14px;
  color:var(--t-2);
  margin-bottom:10px;
  line-height:1.75;
}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--t-3);
  letter-spacing:.02em;
}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-split{gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .hero-split{grid-template-columns:1fr;gap:44px;}
  .hero-visual{min-height:300px;max-width:560px;}
  .split-wrap{grid-template-columns:1fr;}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap;}
  .stat-card{flex:1 1 260px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--nav-h:56px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(84vw,340px);
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:6px;
    padding:84px 24px 32px;
    margin-left:0;
    transform:translateX(102%);
    transition:transform .38s cubic-bezier(.32,.72,.28,1);
    z-index:75;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);box-shadow:-16px 0 44px rgba(0,0,0,.5);}
  .nav-link{
    width:100%;
    font-size:19px;
    font-weight:650;
    color:var(--t-1);
    padding:14px 12px 14px 16px;
    border-left:3px solid transparent;
    border-radius:0 12px 12px 0;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{
    border-left-color:transparent;
    border-image:var(--grad-main) 1;
    background:var(--grad-soft);
    -webkit-text-fill-color:var(--t-1);
    color:var(--t-1);
  }
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .btn-sm{display:none;}
  .hero-card-a{width:78%;}
  .hero-card-b{width:72%;}
  .rich-row,
  .rich-row.reverse{grid-template-columns:1fr;}
  .rich-row.reverse .rich-media{order:0;}
  .rich-row.reverse .rich-body{order:0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .cta-band{
    flex-direction:column;
    align-items:flex-start;
    padding:26px 22px;
  }
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
  .voice-card{flex:0 0 82%;}
  .badge-strip{padding:14px;}
  .stat-card{padding:20px;}
  .rich-row{padding:16px;}
  .back-home{padding:18px;}
}