/* roulang page: index */
:root{
  --bg:#070A14;
  --bg-soft:#0E1426;
  --surface:#16203A;
  --line:#2A3554;
  --cyan:#2EE6D6;
  --cyan-deep:#0E8C84;
  --lime:#C8F94E;
  --pink:#FF5C8A;
  --text:#EAF0FF;
  --muted:#A8B2CC;
  --paper:#F4F6FB;
  --ink:#101528;
  --ink-muted:#4A5471;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-dark:0 8px 28px rgba(0,0,0,.45);
  --shadow-light:0 6px 20px rgba(16,21,40,.08);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;border-radius:var(--radius-img)}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:#7BF3E8}
h1,h2,h3,h4{margin:0;color:#fff;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.5px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,20,.94);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;letter-spacing:-.2px;white-space:nowrap}
.brand:hover{color:#fff}
.brand-mark{flex:0 0 auto;display:grid;place-items:center}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-links a{
  position:relative;display:block;padding:9px 13px;border-radius:8px;
  color:var(--muted);font-size:15px;font-weight:500;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(46,230,214,.08)}
.nav-links a.active{color:var(--cyan);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:-2px;height:3px;
  background:var(--cyan);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--radius-btn);
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  font-size:14px;font-weight:600;transition:.2s ease;
}
.mega-trigger:hover{border-color:rgba(46,230,214,.55);color:var(--cyan)}
.mega-trigger .caret{transition:transform .2s ease;font-size:11px}
.mega-wrap.open .mega-trigger .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:620px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:22px;
  padding:22px;border-radius:16px;
  background:var(--bg-soft);border:1px solid var(--line);box-shadow:var(--shadow-dark);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .12s ease,transform .12s ease,visibility .12s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;letter-spacing:1.5px;color:#7C87A6;font-weight:700;margin-bottom:10px}
.mega-links a{display:block;padding:8px 10px;border-radius:8px;color:var(--muted);font-size:14px}
.mega-links a:hover{background:var(--surface);color:var(--cyan)}
.mega-card{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface);margin-bottom:12px;transition:.2s ease}
.mega-card:hover{transform:translateY(-3px);border-color:rgba(46,230,214,.55)}
.mega-card .thumb{padding-top:52%;position:relative;overflow:hidden}
.mega-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0}
.mega-card .txt{padding:12px 14px}
.mega-card .txt strong{display:block;color:#fff;font-size:14px;font-weight:600}
.mega-card .txt span{display:block;color:var(--muted);font-size:12.5px;line-height:1.6;margin-top:4px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  font-size:18px;line-height:1;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(46,230,214,.55);color:var(--cyan)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);z-index:80;
  background:var(--bg-soft);border-left:1px solid var(--line);
  padding:24px 22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .26s ease;
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,6,12,.66);z-index:70;
  opacity:0;visibility:hidden;transition:.26s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-close{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;background:var(--surface);
  border:1px solid var(--line);color:var(--text);font-size:17px;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-nav a{display:block;padding:12px 12px;border-radius:10px;color:var(--text);font-size:15px;border:1px solid transparent}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--surface);border-color:rgba(46,230,214,.35);color:var(--cyan)}
.drawer-sub{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}
.drawer-sub h4{font-size:12px;letter-spacing:1.5px;color:#7C87A6;margin-bottom:10px}
.drawer-sub a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
.drawer-sub a:hover{color:var(--cyan)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--lime);color:#101528}
.btn-primary:hover{background:#D6FF63;color:#101528;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--cyan);color:var(--cyan)}
.btn-ghost:hover{background:rgba(46,230,214,.12);color:#8CF6EC}
.btn-cyan{background:var(--cyan);color:#06201F}
.btn-cyan:hover{background:#57EFE1;color:#06201F}
.btn-line{background:transparent;border-color:var(--line);color:var(--text)}
.btn-line:hover{border-color:rgba(46,230,214,.55);color:var(--cyan)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(46,230,214,.12);border:1px solid rgba(46,230,214,.35);color:var(--cyan);
}
.badge-lime{background:var(--lime);border-color:var(--lime);color:#101528}
.badge-pink{background:rgba(255,92,138,.14);border-color:rgba(255,92,138,.45);color:#FF8AA9}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.6px;color:var(--cyan);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);border-radius:2px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,10,20,.95) 0%,rgba(7,10,20,.84) 46%,rgba(7,10,20,.34) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:58% 42%;gap:48px;align-items:center;padding:96px 32px 92px}
.hero h1{margin:18px 0;font-size:clamp(32px,5vw,56px);line-height:1.15;letter-spacing:-.5px;font-weight:800}
.hero-sub{max-width:580px;color:var(--muted);font-size:17px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;margin-top:46px;flex-wrap:nowrap}
.hero-stats li{padding:0 26px;border-left:1px solid var(--line)}
.hero-stats li:first-child{padding-left:0;border-left:0}
.stat-num{display:block;font-size:34px;font-weight:700;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;font-weight:600;margin-left:4px;color:var(--lime)}
.stat-label{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);letter-spacing:.3px}
.hero-card{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:16px;box-shadow:var(--shadow-dark);
}
.hero-card .ratio{position:relative;padding-top:62%;overflow:hidden;border-radius:var(--radius-img)}
.hero-card .ratio img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0}
.hero-card-body{padding:16px 6px 4px}
.hero-card-body h3{font-size:18px;margin-bottom:8px}
.hero-card-body p{color:var(--muted);font-size:14px;line-height:1.75}
.hero-card-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-light{background:var(--paper);color:var(--ink)}
.section-light h2,.section-light h3,.section-light h4{color:var(--ink)}
.section-light .section-sub,.section-light p{color:var(--ink-muted)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px;flex-wrap:wrap}
.section-head h2{position:relative;font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;padding-bottom:14px}
.section-head h2::after{content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;background:var(--cyan);border-radius:2px}
.section-sub{margin-top:10px;max-width:640px;color:var(--muted);font-size:15px;line-height:1.8}
.link-more{font-size:14px;font-weight:600;color:var(--cyan);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px}
.section-light .link-more{color:var(--cyan-deep)}

/* ---------- guarantee ---------- */
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.g-item{
  background:#fff;border:1px solid #E2E7F2;border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-light);transition:.2s ease;
}
.g-item:hover{transform:translateY(-4px);border-color:#B9DEDA}
.g-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;border:1.5px solid var(--cyan-deep);color:var(--cyan-deep);margin-bottom:14px}
.g-icon svg{width:20px;height:20px}
.g-item h3{font-size:17px;margin-bottom:8px}
.g-item p{font-size:14px;line-height:1.75;color:var(--ink-muted)}

/* ---------- grid cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{transform:translateY(-4px);border-color:rgba(46,230,214,.55);box-shadow:var(--shadow-dark)}
.ratio-16-9,.ratio-4-3{position:relative;overflow:hidden}
.ratio-16-9{padding-top:56.25%}
.ratio-4-3{padding-top:75%}
.ratio-16-9 img,.ratio-4-3 img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .25s ease-out}
.card:hover .ratio-16-9 img,.card:hover .ratio-4-3 img{transform:scale(1.04)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;line-height:1.45;min-height:2.9em}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:#7C87A6}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:#3B4767}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.card-foot .price{font-size:20px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums}
.card-foot .price small{font-size:12px;color:var(--muted);font-weight:500;margin-left:6px}

/* ---------- zigzag ---------- */
.zigzag{display:flex;flex-direction:column;gap:64px}
.zrow{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.zrow.reverse .zmedia{order:2}
.zmedia{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface)}
.ztext h3{font-size:clamp(20px,2.4vw,26px);line-height:1.4;margin-bottom:14px}
.ztext p{color:var(--muted);font-size:15px;line-height:1.85;max-width:560px}
.zlist{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.zlist li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text)}
.zlist li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}

/* ---------- cms news ---------- */
.news-layout{display:grid;grid-template-columns:1.12fr 1fr;gap:24px}
.news-lead{height:100%}
.news-lead .news-body{padding:24px}
.news-lead h3{font-size:22px;line-height:1.45;margin:12px 0 10px}
.news-lead h3 a{color:#fff}
.news-lead h3 a:hover{color:var(--cyan)}
.news-summary{color:var(--muted);font-size:14.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{display:block;margin-top:14px;font-size:12.5px;color:#7C87A6;letter-spacing:.4px}
.news-side{display:flex;flex-direction:column;gap:24px}
.news-mini{flex-direction:row;align-items:stretch;height:100%}
.news-mini .mini-thumb{flex:0 0 132px;position:relative;overflow:hidden}
.news-mini .mini-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0}
.news-mini .mini-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-mini h3{font-size:16.5px;line-height:1.5;min-height:3em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini h3 a{color:#fff}
.news-mini h3 a:hover{color:var(--cyan)}
.news-mini p{font-size:13.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cms-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;color:var(--muted);background:var(--bg-soft);
}
.cms-empty strong{display:block;color:#fff;font-size:17px;margin-bottom:10px}
.cms-empty .btn{margin-top:20px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;padding:26px 22px 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:.2s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(46,230,214,.55)}
.step-num{
  display:inline-block;font-size:26px;font-weight:700;color:var(--cyan);
  font-variant-numeric:tabular-nums;margin-bottom:12px;letter-spacing:1px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.78}

/* ---------- reviews ---------- */
.reviews-wrap{position:relative}
.reviews-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 16px;scrollbar-width:thin;
}
.reviews-track::-webkit-scrollbar{height:6px}
.reviews-track::-webkit-scrollbar-thumb{background:#C9D3E8;border-radius:6px}
.review-card{
  flex:0 0 calc((100% - 44px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid #E2E7F2;border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-light);
}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:48px;height:48px;border-radius:50%;background:#DCE4F5;display:grid;place-items:center;color:#4A5471;font-weight:700;font-size:16px;flex:0 0 auto}
.review-name{font-size:15px;font-weight:600;color:var(--ink)}
.stars{color:#12B7A6;font-size:13px;letter-spacing:2px}
.review-card p{margin-top:14px;font-size:14.5px;line-height:1.8;color:var(--ink-muted)}
.review-date{margin-top:12px;font-size:12.5px;color:#8A93A9}
.review-nav{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.review-arrows{display:flex;gap:10px}
.arrow-btn{
  width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid #CFD8EA;
  color:var(--ink);display:grid;place-items:center;transition:.2s ease;
}
.arrow-btn:hover{background:var(--cyan);border-color:var(--cyan);color:#06201F}
.dots{display:flex;gap:8px}
.dot-btn{width:9px;height:9px;border-radius:50%;background:#C3CDE2;border:0;padding:0}
.dot-btn.active{background:var(--cyan-deep);width:24px;border-radius:6px}

/* ---------- faq ---------- */
.faq-list{max-width:860px}
.faq-item{
  border-bottom:1px solid var(--line);border-left:3px solid transparent;
  padding-left:18px;transition:border-color .2s ease;
}
.faq-item.open{border-left-color:var(--cyan)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;background:none;border:0;color:#fff;
  font-size:16px;font-weight:600;text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--cyan)}
.faq-icon{flex:0 0 auto;font-size:20px;color:var(--cyan);line-height:1;font-weight:400}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease}
.faq-item.open .faq-a{max-height:340px;padding:0 0 22px 0}
.faq-a p{color:var(--muted);font-size:14.8px;line-height:1.85;max-width:760px}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.cta-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,10,20,.95) 0%,rgba(7,10,20,.86) 55%,rgba(7,10,20,.7) 100%)}
.cta-orbit{position:absolute;right:-90px;bottom:-120px;width:420px;height:420px;border-radius:50%;border:1px solid rgba(46,230,214,.28);pointer-events:none}
.cta-orbit::after{content:"";position:absolute;inset:60px;border-radius:50%;border:1px solid rgba(46,230,214,.16)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:76px 32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:12px}
.cta-inner p{color:var(--muted);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#05070F;border-top:1px solid var(--line);padding:68px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-about{color:var(--muted);font-size:14px;line-height:1.85;max-width:340px}
.footer-contact{margin-top:18px;font-size:13.5px;color:#7C87A6;line-height:1.9}
.footer-col h4{font-size:13px;letter-spacing:1.4px;color:#7C87A6;margin-bottom:16px;font-weight:700}
.footer-links a{display:block;padding:7px 0;color:var(--muted);font-size:14px}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C87A6;
}
.footer-bottom a{color:#9AA6C4}
.footer-bottom a:hover{color:var(--cyan)}
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:50;
  width:46px;height:46px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);color:var(--cyan);
  display:grid;place-items:center;font-size:17px;
  opacity:0;visibility:hidden;transition:.24s ease;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{border-color:var(--cyan);background:#1B2745}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-inner{padding:80px 32px 76px;gap:36px}
  .review-card{flex:0 0 calc((100% - 22px)/2)}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-links,.mega-wrap{display:none}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;padding:64px 24px 60px}
  .hero-card{max-width:560px}
  .section{padding:72px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .guarantee{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .zigzag{gap:48px}
  .zrow{grid-template-columns:1fr;gap:26px}
  .zrow.reverse .zmedia{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:60px 24px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .brand{font-size:15.5px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-stats{overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .hero-stats::-webkit-scrollbar{display:none}
  .hero-stats li{padding:0 18px}
  .stat-num{font-size:28px}
  .grid-3{grid-template-columns:1fr}
  .guarantee{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .news-mini{flex-direction:column}
  .news-mini .mini-thumb{flex:0 0 auto;padding-top:52%}
  .card-body h3{min-height:auto}
  .review-card{flex:0 0 85%}
  .review-arrows{display:none}
  .faq-q{font-size:15px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:18px}
}

/* roulang page: article */
:root{
  --bg:#070A14;
  --bg-2:#0E1426;
  --card:#16203A;
  --line:#2A3554;
  --cyan:#2EE6D6;
  --lime:#C8F94E;
  --pink:#FF5C8A;
  --text:#EAF0FF;
  --muted:#A8B2CC;
  --paper:#F4F6FB;
  --ink:#101528;
  --r-card:14px;
  --r-btn:10px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--cyan)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4,h5{margin:0;line-height:1.28;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}
@media(min-width:768px){ .container{padding:0 24px} }
@media(min-width:1280px){ .container{padding:0 32px} }

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,20,.94);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.3px;white-space:nowrap;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(160deg,#16203A,#0B1020);
  border:1px solid var(--line);
  flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-links a{
  position:relative;
  padding:9px 13px;border-radius:8px;
  font-size:15px;color:var(--muted);
}
.nav-links a:hover{color:var(--cyan);background:var(--card)}
.nav-links a.active{color:var(--cyan);background:rgba(46,230,214,.08)}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:2px;
  background:var(--cyan);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--card);
  font-size:14px;font-weight:600;color:var(--text);
  transition:border-color .18s ease,color .18s ease;
}
.mega-trigger:hover{border-color:rgba(46,230,214,.55);color:var(--cyan)}
.caret{font-size:12px;line-height:1;transition:transform .18s ease}
.mega-wrap.open .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:600px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:22px;
  padding:22px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .14s ease,transform .14s ease,visibility .14s ease;
}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;letter-spacing:1.4px;color:var(--muted);margin-bottom:10px}
.mega-links{display:grid;gap:2px}
.mega-links a{
  display:block;padding:9px 10px;border-radius:8px;
  font-size:14px;color:#C7D0E6;
}
.mega-links a:hover{background:var(--card);color:var(--cyan)}
.mega-card{
  display:flex;gap:12px;padding:12px;
  border:1px solid var(--line);border-radius:12px;background:#121A30;
  margin-bottom:10px;
}
.mega-card:hover{border-color:rgba(46,230,214,.55);color:inherit}
.mega-card .thumb{width:96px;flex:none;aspect-ratio:16/9;border-radius:9px;overflow:hidden}
.mega-card .thumb img{width:100%;height:100%;object-fit:cover}
.mega-card .txt{display:flex;flex-direction:column;gap:4px;min-width:0}
.mega-card .txt strong{font-size:14px;font-weight:700;color:#fff;line-height:1.5}
.mega-card .txt span{font-size:12.5px;color:var(--muted);line-height:1.6}
.nav-toggle{
  display:none;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--card);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.drawer{display:none}
@media(min-width:1024px){
  .mega-wrap:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
}
@media(max-width:1023px){
  .nav{height:64px;gap:12px}
  .nav-links,.mega-wrap{display:none}
  .nav-toggle{display:flex}
  .drawer{
    display:block;position:fixed;left:0;right:0;top:64px;bottom:0;z-index:55;
    background:var(--bg);overflow-y:auto;padding:16px 0 72px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  }
  .drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
  .drawer a{display:block;padding:15px 2px;border-bottom:1px solid var(--line);font-size:16px;color:#D7DEF2}
  .drawer a:hover{color:var(--cyan)}
  .drawer .drawer-group{padding:24px 2px 8px;font-size:12px;letter-spacing:1.4px;color:var(--muted)}
}

/* ---------- breadcrumb & article head ---------- */
.crumbs{padding:24px 0 0;font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:9px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--cyan)}
.crumbs .sep{color:#46557D}
.crumbs .current{color:#D7DEF2;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{
  position:relative;
  margin-top:18px;
  padding:38px 0 44px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(7,10,20,.96) 0%,rgba(7,10,20,.86) 52%,rgba(7,10,20,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
}
.article-head h1{
  font-size:clamp(28px,4.4vw,44px);
  font-weight:800;letter-spacing:-.6px;line-height:1.18;
  max-width:940px;color:#fff;
}
.article-lead{
  margin-top:16px;max-width:680px;
  font-size:15px;color:var(--muted);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:24px;font-size:13.5px;color:var(--muted)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:rgba(46,230,214,.12);color:var(--cyan);
  border:1px solid rgba(46,230,214,.35);
}
.badge-lime{background:rgba(200,249,78,.12);color:var(--lime);border-color:rgba(200,249,78,.35)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item .dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);flex:none}
.num{font-family:'Rajdhani',"HarmonyOS Sans SC",sans-serif;font-weight:600;letter-spacing:.4px;color:#DDE5F7}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding:46px 0 0;align-items:start}
@media(max-width:1023px){ .layout{grid-template-columns:1fr;gap:38px;padding-top:34px} }

/* ---------- article body ---------- */
.article-content{
  max-width:760px;
  font-size:16.5px;
  line-height:1.9;
  color:#D7DEF2;
  overflow-wrap:break-word;
}
.article-content>*:first-child{margin-top:0}
.article-content h2{
  font-size:clamp(22px,2.6vw,29px);
  font-weight:700;color:#fff;letter-spacing:-.3px;
  margin:46px 0 18px;
}
.article-content h2::after{content:"";display:block;width:40px;height:3px;border-radius:2px;background:var(--cyan);margin-top:12px}
.article-content h3{font-size:20px;font-weight:600;color:#fff;margin:34px 0 12px}
.article-content h4{font-size:17px;font-weight:600;color:#EEF3FF;margin:26px 0 10px}
.article-content p{margin:0 0 18px}
.article-content strong{color:#fff}
.article-content em{color:#B9C5E0}
.article-content a{color:var(--cyan);text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px}
.article-content a:hover{color:#7FF6EA}
.article-content ul,.article-content ol{margin:0 0 20px;padding:0}
.article-content li{position:relative;padding-left:22px;margin-bottom:10px}
.article-content ul>li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--cyan);transform:rotate(45deg);
}
.article-content ol{counter-reset:ac}
.article-content ol>li{counter-increment:ac;padding-left:32px}
.article-content ol>li::before{
  content:counter(ac) ".";position:absolute;left:0;top:0;
  color:var(--cyan);font-weight:700;font-family:'Rajdhani',sans-serif;font-size:17px;
}
.article-content blockquote{
  margin:26px 0;padding:16px 22px;
  background:var(--bg-2);
  border-left:3px solid var(--cyan);
  border-radius:0 12px 12px 0;
  color:#C3CDE6;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:12px;margin:26px auto;height:auto}
.article-content figure{margin:26px 0}
.article-content figcaption{text-align:center;font-size:13.5px;color:var(--muted);margin-top:10px}
.article-content table{width:100%;max-width:100%;display:block;overflow-x:auto;margin:26px 0;font-size:14.5px}
.article-content th{
  background:var(--bg-2);color:#fff;font-weight:600;text-align:left;
  padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-content td{padding:12px 14px;border-bottom:1px solid rgba(42,53,84,.75);color:#C3CDE6}
.article-content tbody tr:nth-child(even){background:rgba(255,255,255,.028)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-content pre{background:#0A0F1E;border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:14px}
.article-content code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;color:#9EF3E9}

.cms-empty{
  max-width:760px;text-align:center;
  padding:64px 26px;
  background:var(--bg-2);
  border:1px dashed var(--line);
  border-radius:16px;
}
.cms-empty .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(46,230,214,.45);color:var(--cyan);
}
.cms-empty h2{font-size:20px;color:#fff;margin-bottom:10px}
.cms-empty p{font-size:14.5px;color:var(--muted);margin-bottom:22px}

/* ---------- side ---------- */
.side{position:sticky;top:96px;display:grid;gap:20px}
@media(max-width:1023px){ .side{position:static;grid-template-columns:1fr} }
.side-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:20px}
.side-card h3{font-size:15px;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:none}
.side-links{display:grid}
.side-links a{
  display:block;padding:10px 2px;
  font-size:14px;color:var(--muted);
  border-bottom:1px dashed rgba(42,53,84,.85);
  transition:color .18s ease,padding-left .18s ease;
}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--cyan);padding-left:6px}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.85}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,filter .2s ease-out;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#D9FF6A;color:var(--ink);transform:translateY(-2px)}
.btn-cyan{background:var(--cyan);color:#08131A}
.btn-cyan:hover{filter:brightness(1.08);color:#08131A;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(46,230,214,.75);color:var(--cyan);background:transparent}
.btn-ghost:hover{background:rgba(46,230,214,.12);color:var(--cyan);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  margin:66px 0 0;
  padding:38px 36px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:20px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-120px;
  width:360px;height:360px;border-radius:50%;
  border:1px solid rgba(46,230,214,.22);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);color:#fff;margin-bottom:10px}
.cta-band p{font-size:14.5px;color:var(--muted);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- related ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(20px,2.4vw,26px);color:#fff}
.section-head h2::after{content:"";display:block;width:40px;height:3px;border-radius:2px;background:var(--cyan);margin-top:12px}
.section-head .more{font-size:14px;color:var(--cyan)}
.section-head .more:hover{color:#7FF6EA}
.related{padding:72px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:1023px){ .related-grid{grid-template-columns:repeat(2,1fr)} }
@media(max-width:639px){ .related-grid{grid-template-columns:1fr} }
.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(46,230,214,.55);box-shadow:var(--shadow);color:inherit}
.rel-card .cover{aspect-ratio:16/9;overflow:hidden;background:#0C1224}
.rel-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.rel-card:hover .cover img{transform:scale(1.04)}
.rel-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:16.5px;line-height:1.5;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card p{font-size:13.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#8391B2}

/* ---------- back actions ---------- */
.back-actions{display:flex;gap:14px;flex-wrap:wrap;padding:44px 0 0;border-top:1px solid var(--line);margin-top:56px}

/* ---------- footer ---------- */
.site-footer{margin-top:88px;background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
@media(max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px} }
@media(max-width:639px){ .footer-grid{grid-template-columns:1fr} }
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:16px;color:#fff}
.footer-about{font-size:14px;color:var(--muted);max-width:340px;margin-bottom:16px;line-height:1.85}
.footer-contact{font-size:13.5px;color:var(--muted);line-height:2}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:13px;color:#7D89A8;
}
@media(max-width:639px){
  .cta-band{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .back-actions .btn{width:100%}
  .article-head{padding:28px 0 34px}
  .crumbs .current{max-width:220px}
}

/* roulang page: category1 */
:root{
  --bg:#070A14;
  --bg-2:#0E1426;
  --surface:#16203A;
  --surface-2:#1B2743;
  --line:#2A3554;
  --line-soft:rgba(42,53,84,.6);
  --cyan:#2EE6D6;
  --cyan-soft:rgba(46,230,214,.12);
  --lime:#C8F94E;
  --magenta:#FF5C8A;
  --text:#E8EDF9;
  --muted:#A8B2CC;
  --paper:#F4F6FB;
  --ink:#101528;
  --ink-muted:#5A6480;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --shadow-dark:0 8px 28px rgba(0,0,0,.45);
  --shadow-light:0 6px 20px rgba(16,21,40,.08);
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Rajdhani","Oswald","DIN Alternate","Arial Narrow",var(--font);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--lime)}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.02em}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-title{font-size:clamp(24px,3vw,34px);position:relative;padding-bottom:16px}
.section-title::after{content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;background:var(--cyan);border-radius:2px}
.section-sub{margin-top:14px;color:var(--muted);font-size:15px;max-width:680px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;margin-bottom:12px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .18s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--lime);color:#0A1005}
.btn-primary:hover{background:#D6FF6A;color:#0A1005;box-shadow:0 8px 22px rgba(200,249,78,.25)}
.btn-ghost{background:transparent;color:var(--cyan);border:1.5px solid var(--cyan)}
.btn-ghost:hover{background:var(--cyan-soft);color:var(--cyan)}
.btn-cyan{background:var(--cyan);color:#05201D}
.btn-cyan:hover{background:#57F0E3;color:#05201D}
.btn-sm{padding:10px 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-size:17px;font-weight:700;letter-spacing:.01em;flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:var(--surface);border:1px solid var(--line)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:8px 14px;font-size:15px;color:var(--muted);
  border-radius:8px;transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--cyan);background:rgba(46,230,214,.07)}
.nav-links a.active{color:var(--cyan)}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:3px;border-radius:2px;background:var(--cyan)}
.nav-right{display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);color:var(--text);border:1px solid var(--line);
  padding:10px 16px;border-radius:var(--radius-btn);font-size:14px;font-weight:600;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.mega-trigger:hover{border-color:rgba(46,230,214,.55);color:var(--cyan)}
.caret{font-size:12px;transition:transform .2s ease}
.mega-wrap.open .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:620px;
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-dark);
  opacity:0;transform:translateY(6px);pointer-events:none;
  transition:opacity .12s ease,transform .12s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;transform:translateY(0);pointer-events:auto}
.mega-col-title{font-size:13px;color:var(--muted);letter-spacing:.1em;margin-bottom:12px}
.mega-links{display:flex;flex-direction:column;gap:2px}
.mega-links a{display:block;padding:8px 10px;border-radius:8px;color:var(--text);font-size:14px}
.mega-links a:hover{background:var(--surface);color:var(--cyan)}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:12px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);margin-bottom:12px;color:var(--text);
}
.mega-card:last-child{margin-bottom:0}
.mega-card:hover{border-color:rgba(46,230,214,.55);color:var(--text)}
.mega-card .thumb{flex:0 0 68px;width:68px;aspect-ratio:4/3;border-radius:8px;overflow:hidden;background:var(--bg-2)}
.mega-card .thumb img{width:100%;height:100%;object-fit:cover}
.mega-card .txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.mega-card .txt strong{font-size:14px;font-weight:600}
.mega-card .txt span{font-size:12.5px;color:var(--muted);line-height:1.5}
.nav-toggle{display:none;background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:9px 14px;font-size:14px;font-weight:600}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(4,7,15,.72);z-index:110;opacity:0;transition:opacity .2s ease}
.drawer-mask.open{opacity:1}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);z-index:120;
  background:var(--bg-2);border-left:1px solid var(--line);
  padding:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .24s ease;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-head span{font-weight:700;font-size:16px}
.drawer-close{background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:9px;padding:7px 12px;font-size:13px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:18px 0}
.drawer-nav a{display:block;padding:12px 14px;border-radius:10px;color:var(--text);font-size:15px;border:1px solid transparent}
.drawer-nav a:hover{background:var(--surface);color:var(--cyan)}
.drawer-nav a.active{color:var(--cyan);border-color:rgba(46,230,214,.45);background:var(--cyan-soft)}
.drawer-sub{font-size:13px;color:var(--muted);letter-spacing:.08em;margin:8px 0 10px}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{display:block;padding:10px 14px;border-radius:10px;color:var(--muted);font-size:14px}
.drawer-links a:hover{background:var(--surface);color:var(--cyan)}

/* 分类页头部 */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,10,20,.95) 0%,rgba(7,10,20,.86) 46%,rgba(7,10,20,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 56px;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--cyan)}
.hero-tag{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;padding:6px 14px;border-radius:var(--radius-pill);background:rgba(200,249,78,.12);border:1px solid rgba(200,249,78,.4);color:var(--lime);font-size:13px;margin-bottom:18px}
.page-hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.15;letter-spacing:-.5px;font-weight:800;max-width:860px}
.page-hero-sub{margin-top:16px;max-width:680px;color:var(--muted);font-size:16px}
.hero-stats{display:flex;align-items:center;gap:32px;margin-top:34px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column;gap:2px;padding-right:32px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0;padding-right:0}
.stat-num{font-family:var(--font-num);font-weight:600;font-size:34px;line-height:1.1;color:var(--lime)}
.stat-label{font-size:12.5px;color:var(--muted)}

/* 锚点导航 */
.anchor-bar{position:sticky;top:72px;z-index:80;background:var(--bg-2);border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;gap:6px;align-items:center;overflow-x:auto;padding:12px 0}
.anchor-inner a{padding:8px 14px;border-radius:var(--radius-pill);color:var(--muted);font-size:14px;border:1px solid transparent;white-space:nowrap}
.anchor-inner a:hover{color:var(--cyan);border-color:rgba(46,230,214,.4)}
.anchor-inner a.current{color:var(--cyan);border-color:rgba(46,230,214,.5);background:var(--cyan-soft)}

/* 列表区 */
.listing-grid{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}
.filter-panel{
  position:sticky;top:150px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;
}
.filter-title{font-size:15px;font-weight:600;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.filter-group{margin-bottom:20px}
.filter-group:last-child{margin-bottom:0}
.filter-label{font-size:13px;color:var(--muted);letter-spacing:.06em;margin-bottom:10px}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  padding:7px 14px;border-radius:var(--radius-pill);font-size:13.5px;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.chip:hover{color:var(--cyan);border-color:rgba(46,230,214,.55)}
.chip.active{background:var(--cyan-soft);border-color:var(--cyan);color:var(--cyan)}
.filter-search{display:flex;gap:8px;margin-top:6px}
.filter-search input{
  flex:1;min-width:0;background:var(--bg);border:1px solid var(--line);color:var(--text);
  border-radius:var(--radius-btn);padding:10px 12px;font-size:14px;
}
.filter-search input::placeholder{color:#6D7896}
.filter-search input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(46,230,214,.14)}
.filter-search button{
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  border-radius:var(--radius-btn);padding:10px 14px;font-size:13.5px;
}
.filter-search button:hover{color:var(--cyan);border-color:rgba(46,230,214,.55)}

.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.list-head h2{font-size:22px}
.list-count{font-size:14px;color:var(--muted)}
.list-count strong{font-family:var(--font-num);font-size:18px;color:var(--lime);margin:0 2px}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.live-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.live-card:hover{transform:translateY(-4px);border-color:rgba(46,230,214,.55);box-shadow:var(--shadow-dark)}
.live-card[hidden]{display:none}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.live-card:hover .card-media img{transform:scale(1.04)}
.status{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.status-live{background:var(--magenta);color:#2A0714}
.status-soon{background:var(--lime);color:#152004}
.status-upcoming{background:rgba(7,10,20,.78);border:1px solid var(--cyan);color:var(--cyan)}
.status-replay{background:rgba(7,10,20,.78);border:1px solid var(--line);color:var(--muted)}
.card-project{
  position:absolute;right:12px;top:12px;padding:4px 10px;border-radius:var(--radius-pill);
  background:rgba(7,10,20,.72);border:1px solid var(--line);font-size:12px;color:var(--muted);
}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.card-title{font-size:16.5px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.card-meta{font-size:13.5px;color:var(--cyan)}
.card-desc{font-size:14px;color:var(--muted);line-height:1.7;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-soft);display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-foot .hint{font-size:12.5px;color:var(--muted)}
.cms-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:var(--bg-2);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.cms-empty-icon{font-size:26px;color:var(--cyan);margin-bottom:12px}
.cms-empty p{color:var(--muted);font-size:14.5px;margin-bottom:18px}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 20px;transition:border-color .2s ease,transform .2s ease}
.step:hover{border-color:rgba(46,230,214,.55);transform:translateY(-3px)}
.step-num{font-family:var(--font-num);font-size:26px;font-weight:600;color:var(--cyan);line-height:1;margin-bottom:14px}
.step-title{font-size:16px;font-weight:600;margin-bottom:8px}
.step-desc{font-size:14px;color:var(--muted);line-height:1.75}

/* 对比表 */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--bg-2)}
table.cmp{width:100%;border-collapse:collapse;min-width:640px}
table.cmp th,table.cmp td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
table.cmp thead th{background:#1A2440;color:var(--text);font-weight:600;font-size:14px;letter-spacing:.02em}
table.cmp tbody tr:nth-child(even){background:rgba(22,32,58,.55)}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td:first-child{color:var(--muted)}
table.cmp td strong{color:var(--cyan);font-weight:600}

/* 评价（浅底） */
.section-paper{background:var(--paper);color:var(--ink)}
.section-paper .section-title{color:var(--ink)}
.section-paper .section-title::after{background:#0FA79B}
.section-paper .section-sub{color:var(--ink-muted)}
.review-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin}
.review-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid #E2E7F3;border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-light);
}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:#E7ECF8;border:1px solid #D6DEED;display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-weight:600;color:#0FA79B;font-size:17px}
.review-name{font-size:15px;font-weight:600;color:var(--ink)}
.review-time{font-size:12.5px;color:var(--ink-muted)}
.stars{display:flex;gap:3px;color:#0FA79B;font-size:13px;margin-bottom:10px}
.review-text{font-size:14.5px;color:#2B3450;line-height:1.8}

/* FAQ */
.faq{max-width:860px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;color:var(--text);text-align:left;
  padding:22px 40px 22px 18px;font-size:16px;font-weight:600;position:relative;line-height:1.6;
}
.faq-q:hover{color:var(--cyan)}
.faq-q::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;background:transparent;border-radius:2px;transition:background-color .2s ease}
.faq-q::after{content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--cyan);font-weight:400}
.faq-item.open .faq-q::before{background:var(--cyan)}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{padding:0 40px 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* CTA 通栏 */
.cta-band{position:relative;overflow:hidden;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-orbit{
  position:absolute;right:-140px;top:-190px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(46,230,214,.22);
}
.cta-orbit::after{
  content:"";position:absolute;inset:64px;border-radius:50%;
  border:1px dashed rgba(200,249,78,.16);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-inner p{color:var(--muted);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex:0 0 auto}

/* 页脚 */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-about{color:var(--muted);font-size:14px;line-height:1.85;max-width:380px}
.footer-contact{margin-top:18px;color:var(--muted);font-size:13.5px;line-height:2}
.footer-col h4{font-size:15px;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--muted);font-size:14px}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:#7C87A6;font-size:13px;
}

/* 响应式 */
@media (max-width:1279px){
  .list-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .mega-wrap{display:none}
  .nav-toggle{display:inline-flex}
  .nav{height:62px;gap:10px}
  .brand{font-size:15.5px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .anchor-bar{top:62px}
  .listing-grid{grid-template-columns:1fr}
  .filter-panel{position:static;padding:18px 16px}
  .filter-group{margin-bottom:14px}
  .filter-group{display:flex;align-items:center;gap:12px;overflow-x:auto;padding-bottom:4px}
  .filter-label{margin-bottom:0;white-space:nowrap}
  .filter-chips{flex-wrap:nowrap}
  .list-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .page-hero-inner{padding:48px 0 40px;min-height:280px}
  .hero-stats{gap:20px;margin-top:26px;overflow-x:auto;flex-wrap:nowrap}
  .stat{border-right:0;padding-right:0;min-width:110px}
  .stat-num{font-size:28px}
  .list-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .review-card{flex:0 0 85%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .faq-q{font-size:15px;padding-right:36px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --bg:#070A14;
  --panel:#0E1426;
  --card:#16203A;
  --line:#2A3554;
  --cyan:#2EE6D6;
  --lime:#C8F94E;
  --magenta:#FF5C8A;
  --text:#E8EDF9;
  --muted:#A8B2CC;
  --paper:#F4F6FB;
  --ink:#101528;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --shadow-light:0 6px 20px rgba(16,21,40,.08);
  --cw:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
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;}
table{border-collapse:collapse;width:100%;}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px;}

.container{max-width:var(--cw);margin:0 auto;padding:0 32px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#070A14;
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:20px;height:74px;}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;
}
.brand-mark{display:inline-flex;align-items:center;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:9px;
  font-size:15px;color:var(--muted);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--text);background:var(--card);}
.nav-links a.active{color:var(--cyan);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:3px;border-radius:2px;background:var(--cyan);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}

.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:14px;transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.mega-trigger:hover{border-color:rgba(46,230,214,.55);color:var(--cyan);}
.caret{font-size:11px;transition:transform .18s ease;}
.mega-wrap.open .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:600px;padding:20px;
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .12s ease,transform .12s ease,visibility .12s ease;
}
.mega-wrap:hover .mega-panel,
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{
  font-size:12px;letter-spacing:1.4px;color:var(--muted);margin-bottom:12px;
  font-family:"Oswald",sans-serif;text-transform:uppercase;
}
.mega-links{display:grid;gap:2px;}
.mega-links a{
  padding:8px 10px;border-radius:8px;font-size:14.5px;color:var(--muted);
  transition:background .16s ease,color .16s ease;
}
.mega-links a:hover{background:var(--card);color:var(--cyan);}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:10px;border-radius:12px;
  border:1px solid var(--line);background:var(--card);
  transition:border-color .18s ease,transform .18s ease;
}
.mega-card + .mega-card{margin-top:10px;}
.mega-card:hover{border-color:rgba(46,230,214,.55);transform:translateY(-2px);}
.mega-card .thumb{flex:0 0 74px;width:74px;height:56px;border-radius:9px;overflow:hidden;}
.mega-card .thumb img{width:100%;height:100%;object-fit:cover;}
.mega-card .txt{display:grid;gap:2px;}
.mega-card .txt strong{font-size:14.5px;font-weight:600;}
.mega-card .txt span{font-size:12.5px;color:var(--muted);line-height:1.6;}

.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(3,5,12,.72);
  opacity:0;visibility:hidden;transition:.2s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:var(--panel);border-left:1px solid var(--line);
  padding:24px 22px;overflow-y:auto;z-index:95;
  transform:translateX(102%);transition:transform .24s ease;
}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer h4{
  font-size:12px;letter-spacing:1.4px;color:var(--muted);margin:22px 0 10px;
  font-family:"Oswald",sans-serif;text-transform:uppercase;
}
.mobile-drawer a{
  display:block;padding:11px 12px;border-radius:9px;
  font-size:15px;color:var(--muted);border:1px solid transparent;
}
.mobile-drawer a.active{color:var(--cyan);border-color:rgba(46,230,214,.4);background:var(--card);}
.mobile-drawer a:hover{color:var(--text);background:var(--card);}

/* ============ 分类页头图 ============ */
.page-hero{
  position:relative;isolation:isolate;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:var(--hero-img);background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(7,10,20,.96) 0%,rgba(7,10,20,.84) 48%,rgba(7,10,20,.5) 100%);
}
.page-hero-inner{padding:72px 32px 64px;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);transition:color .18s ease;}
.crumb a:hover{color:var(--cyan);}
.crumb span{color:#5C6785;}
.crumb em{font-style:normal;color:var(--text);}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:-.5px;max-width:820px;
}
.hero-sub{
  margin-top:18px;max-width:660px;
  font-size:16px;color:var(--muted);line-height:1.85;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(22,32,58,.7);
  font-size:13.5px;color:var(--muted);
}
.pill::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);
}

/* ============ 锚点子导航 ============ */
.anchor-bar{
  position:sticky;top:74px;z-index:60;
  background:var(--panel);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;gap:8px;overflow-x:auto;padding:12px 32px;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);font-size:14px;color:var(--muted);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.anchor-inner a:hover{color:var(--text);border-color:rgba(46,230,214,.55);}
.anchor-inner a.active{
  background:var(--cyan);border-color:var(--cyan);color:#04140F;font-weight:700;
}

/* ============ 通用标题 ============ */
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Oswald",sans-serif;font-size:13px;letter-spacing:1.6px;
  color:var(--cyan);text-transform:uppercase;
}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.sec-head{max-width:720px;}
.sec-head h2{
  font-size:clamp(23px,2.6vw,32px);line-height:1.35;font-weight:700;margin:14px 0 0;
}
.sec-head h2::after{
  content:"";display:block;width:40px;height:3px;margin-top:12px;
  border-radius:2px;background:var(--cyan);
}
.sec-desc{margin-top:16px;color:var(--muted);font-size:15.5px;}

/* ============ Z 型图文段 ============ */
.zig{padding:88px 0;border-bottom:1px solid rgba(42,53,84,.55);}
.zig-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;align-items:center;
}
.zig-row.reverse .zig-media{order:2;}
.zig-row.reverse .zig-text{order:1;}
.zig-media .ratio{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.ratio{position:relative;display:block;}
.ratio.r43{padding-top:75%;}
.ratio img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.zig-text h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;margin:14px 0 0;
}
.zig-text h2::after{
  content:"";display:block;width:40px;height:3px;margin-top:12px;
  border-radius:2px;background:var(--cyan);
}
.zig-text > p{margin-top:18px;color:var(--muted);font-size:16px;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  position:relative;padding-left:20px;
  color:var(--muted);font-size:15.5px;line-height:1.85;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:12px;
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
}
.check-list li strong{color:var(--text);font-weight:600;}
.zig-text .btn{margin-top:26px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1.5px solid transparent;
  transition:transform .16s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-lime{background:var(--lime);color:#0A1004;}
.btn-lime:hover{background:#D6FF6A;box-shadow:0 8px 22px rgba(200,249,78,.22);}
.btn-ghost{border-color:var(--cyan);color:var(--cyan);background:transparent;}
.btn-ghost:hover{background:rgba(46,230,214,.12);}

/* ============ 场景对照表 ============ */
.compare{padding:88px 0;background:var(--panel);border-bottom:1px solid var(--line);}
.table-scroll{
  margin-top:36px;overflow-x:auto;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);box-shadow:var(--shadow);
}
.table-scroll table{min-width:780px;}
.table-scroll thead th{
  text-align:left;padding:16px 18px;
  font-size:14px;font-weight:600;color:var(--cyan);
  background:#0E1426;border-bottom:1px solid var(--line);white-space:nowrap;
}
.table-scroll tbody td{
  padding:16px 18px;font-size:15px;color:var(--muted);
  border-bottom:1px solid rgba(42,53,84,.6);
}
.table-scroll tbody tr:nth-child(even){background:rgba(14,20,38,.65);}
.table-scroll tbody tr:hover{background:rgba(46,230,214,.07);}
.table-scroll tbody td:first-child{color:var(--text);font-weight:600;}
.table-scroll tbody tr:last-child td{border-bottom:0;}
.table-note{margin-top:16px;font-size:13.5px;color:#7C87A3;}

/* ============ 评价（浅色区） ============ */
.reviews{padding:88px 0;background:var(--paper);color:var(--ink);}
.reviews .kicker{color:#0E8F86;}
.reviews .kicker::before{background:#0E8F86;}
.reviews .sec-head h2{color:var(--ink);}
.reviews .sec-head h2::after{background:#0E8F86;}
.reviews .sec-desc{color:#4B5570;}
.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px;}
.review-card{
  background:#fff;border:1px solid #E3E8F3;border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-light);
  transition:transform .2s ease,box-shadow .2s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(16,21,40,.12);}
.review-top{display:flex;align-items:center;gap:14px;}
.avatar{
  flex:0 0 48px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;background:var(--panel);
  color:var(--lime);font-weight:700;font-size:17px;
}
.review-top strong{display:block;font-size:15px;font-weight:600;color:var(--ink);}
.stars{color:#12A99B;font-size:13.5px;letter-spacing:2px;}
.review-card p{margin-top:16px;font-size:15.5px;color:#39415A;line-height:1.85;}
.review-card time{display:block;margin-top:16px;font-size:13px;color:#7C87A3;font-family:"Oswald",sans-serif;letter-spacing:.6px;}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;
  padding:72px 0;background:var(--panel);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::after{
  content:"";position:absolute;right:-140px;top:-160px;
  width:440px;height:440px;border-radius:50%;
  border:1px solid rgba(46,230,214,.22);
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;}
.cta-inner p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:560px;}
.cta-btns{display:flex;gap:14px;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:#05070F;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;}
.footer-about{margin-top:16px;max-width:340px;color:var(--muted);font-size:14.5px;line-height:1.85;}
.footer-contact{margin-top:16px;color:var(--muted);font-size:14px;line-height:1.95;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:var(--muted);font-size:14.5px;transition:color .18s ease;}
.footer-links a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:48px;padding:20px 0;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  color:#7C87A3;font-size:13.5px;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--card);border:1px solid var(--line);color:var(--cyan);
  opacity:0;visibility:hidden;transition:.2s ease;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{border-color:rgba(46,230,214,.55);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .page-hero-inner{padding:64px 24px 56px;}
  .anchor-inner{padding:12px 24px;}
}
@media (max-width:1023px){
  .nav-links,.mega-wrap{display:none;}
  .nav-toggle{display:inline-flex;}
  .zig-row{grid-template-columns:1fr;gap:28px;}
  .zig-row.reverse .zig-media{order:1;}
  .zig-row.reverse .zig-text{order:2;}
  .zig,.compare,.reviews{padding:72px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .nav{height:62px;}
  .anchor-bar{top:62px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .review-grid{grid-template-columns:1fr;}
  .zig{padding:56px 0;}
  .compare,.reviews{padding:56px 0;}
  .cta-band{padding:52px 0;}
  .cta-band::after{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .page-hero-inner{padding:44px 16px 40px;}
  .anchor-inner{padding:10px 16px;}
  .cta-btns{width:100%;flex-direction:column;}
  .cta-btns .btn{width:100%;}
  .zig-text .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:16px;}
}

/* roulang page: category3 */
:root{
  --bg:#070A14;
  --bg-soft:#0E1426;
  --surface:#16203A;
  --surface-2:#101A30;
  --line:#2A3554;
  --line-soft:rgba(42,53,84,.65);
  --cyan:#2EE6D6;
  --cyan-dim:rgba(46,230,214,.55);
  --lime:#C8F94E;
  --pink:#FF5C8A;
  --text:#EDF1FA;
  --muted:#A8B2CC;
  --paper:#F4F6FB;
  --paper-2:#E9EDF7;
  --ink:#101528;
  --ink-muted:#4C5878;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --shadow-light:0 6px 20px rgba(16,21,40,.08);
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.1px;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:var(--cyan);text-decoration:none;transition:color .18s var(--ease),opacity .18s var(--ease)}
a:hover{color:var(--lime)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;line-height:1.3}
p{margin:0}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}
::selection{background:var(--cyan);color:#06121A}

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

.num{font-family:"Rajdhani","Oswald",-apple-system,"Segoe UI",sans-serif;font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.4px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,10,20,.94);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,230,214,.4),transparent);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:26px;font-size:15px}
.nav-links a{
  position:relative;color:var(--muted);padding:24px 0;font-weight:500;
  transition:color .18s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:3px;border-radius:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--cyan);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:14px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface-2);color:var(--text);font-size:14px;font-weight:600;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease),transform .1s var(--ease);
}
.mega-trigger:hover{border-color:var(--cyan-dim);color:var(--cyan)}
.mega-trigger:active{transform:translateY(1px)}
.mega-trigger .caret{font-size:11px;color:var(--cyan)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);width:600px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:22px;
  padding:20px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);z-index:120;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .12s ease-out,transform .12s ease-out,visibility .12s;
}
.mega-wrap:hover .mega-panel,.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;letter-spacing:1.6px;color:var(--muted);text-transform:uppercase;margin-bottom:12px}
.mega-links{display:flex;flex-direction:column;gap:2px}
.mega-links a{
  display:block;padding:8px 10px;border-radius:8px;color:var(--muted);font-size:14px;
  transition:background .16s var(--ease),color .16s var(--ease),padding-left .16s var(--ease);
}
.mega-links a:hover{background:var(--surface);color:var(--cyan);padding-left:14px}
.mega-card{
  display:flex;gap:12px;padding:12px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface-2);color:var(--text);margin-bottom:10px;
  transition:border-color .18s var(--ease),transform .18s var(--ease),background .18s var(--ease);
}
.mega-card:last-child{margin-bottom:0}
.mega-card:hover{border-color:var(--cyan-dim);background:var(--surface);transform:translateY(-2px);color:var(--text)}
.mega-card .thumb{flex:0 0 72px;width:72px;aspect-ratio:4/3;border-radius:8px;overflow:hidden;background:var(--bg-soft)}
.mega-card .thumb img{width:100%;height:100%;object-fit:cover}
.mega-card .txt strong{display:block;font-size:14px;font-weight:600;margin-bottom:2px}
.mega-card .txt span{display:block;font-size:12.5px;color:var(--muted);line-height:1.6}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface-2);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer-mask{position:fixed;inset:0;background:rgba(4,7,14,.7);opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s;z-index:110}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,88vw);z-index:130;
  background:#0B1120;border-left:1px solid var(--line);padding:22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .24s var(--ease);
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:14px;color:var(--muted);letter-spacing:1px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:9px;color:var(--text);font-size:18px;line-height:1}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer nav a{
  padding:12px 10px;border-radius:10px;color:var(--muted);font-size:15px;
  border:1px solid transparent;transition:.18s var(--ease);
}
.drawer nav a:hover{color:var(--cyan);background:var(--surface);border-color:var(--line)}
.drawer nav a.active{color:var(--cyan);background:var(--surface);border-color:var(--cyan-dim)}
.drawer .drawer-col-title{font-size:12px;letter-spacing:1.4px;color:var(--muted);margin:0 0 10px}

@media(max-width:1023px){
  .nav-links,.mega-wrap{display:none}
  .nav-toggle{display:inline-flex}
}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
@media(min-width:1280px){.section{padding:104px 0}}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-paper{background:var(--paper);color:var(--ink)}
.section-paper .sec-sub,.section-paper .muted{color:var(--ink-muted)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:700;position:relative;padding-bottom:14px}
.sec-title::after{content:"";display:block;width:40px;height:3px;border-radius:2px;background:var(--cyan);margin-top:12px}
.section-head.center .sec-title::after{margin-left:auto;margin-right:auto}
.sec-sub{margin-top:8px;color:var(--muted);font-size:15.5px;max-width:680px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.6px;
  color:var(--cyan);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--cyan);border-radius:2px}

/* ============ 页面首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:300px;
  display:flex;align-items:center;
  padding:56px 0;
  background-color:var(--bg-soft);
  background-image:linear-gradient(100deg,rgba(7,10,20,.96) 0%,rgba(7,10,20,.86) 46%,rgba(7,10,20,.42) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
@media(min-width:1024px){.page-hero{min-height:340px;padding:64px 0}}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:var(--line);opacity:.9}
.breadcrumb .cur{color:var(--cyan)}
.page-hero h1{
  font-size:clamp(28px,4.4vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.6px;
  max-width:900px;
}
.page-hero .hero-sub{margin-top:14px;color:var(--muted);font-size:16px;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .12s var(--ease),background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--lime);color:#0C1408;box-shadow:0 6px 20px rgba(200,249,78,.16)}
.btn-primary:hover{background:#D6FF63;color:#0C1408;transform:translateY(-2px)}
.btn-ghost{border-color:var(--cyan-dim);color:var(--cyan);background:rgba(46,230,214,.05)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--text);background:rgba(46,230,214,.12);transform:translateY(-2px)}
.btn-quiet{border-color:var(--line);color:var(--text);background:var(--surface-2)}
.btn-quiet:hover{border-color:var(--cyan-dim);color:var(--cyan)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 权益速览 ============ */
.benefit-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.benefit-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.benefit-grid{grid-template-columns:repeat(4,1fr)}}
.benefit{
  padding:22px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface-2);
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:16px 16px;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.benefit:hover{border-color:var(--cyan-dim);transform:translateY(-4px)}
.benefit-icon{
  width:44px;height:44px;border-radius:12px;border:1.5px solid var(--cyan-dim);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--cyan);
}
.benefit:hover .benefit-icon{border-color:var(--cyan);color:var(--lime)}
.benefit h3{font-size:17px;font-weight:600;margin-bottom:8px}
.benefit p{color:var(--muted);font-size:14px;line-height:1.8}
.benefit .stat{margin-top:14px;font-size:26px;color:var(--lime)}

/* ============ 横向卡片流 ============ */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  color:var(--text);background:var(--surface-2);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;transition:.18s var(--ease);
}
.rail-btn:hover{border-color:var(--cyan);background:rgba(46,230,214,.14);color:var(--lime)}
.rail-btn:active{transform:translateY(1px)}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--line) transparent;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-track{background:transparent}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  display:flex;flex-direction:column;
  padding:24px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface-2);
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:18px 18px;
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
@media(min-width:768px){.rail-card{flex:0 0 340px}}
.rail-card:hover{border-color:var(--cyan-dim);transform:translateY(-4px);background:var(--surface)}
.rail-num{
  font-size:30px;color:var(--cyan);letter-spacing:1px;line-height:1;
  display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.rail-num::after{content:"";flex:1;height:1px;background:var(--line)}
.rail-card h3{font-size:19px;font-weight:600;margin-bottom:10px;line-height:1.45}
.rail-card p{color:var(--muted);font-size:14.5px;line-height:1.85;flex:1}
.rail-media{aspect-ratio:16/9;border-radius:var(--radius-img);overflow:hidden;margin-bottom:18px;background:var(--bg-soft)}
.rail-media img{width:100%;height:100%;object-fit:cover}
.rail-actions{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.rail-link{font-size:14px;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:6px}
.rail-link:hover{color:var(--lime);gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
}
.tag-cyan{background:rgba(46,230,214,.14);color:var(--cyan);border:1px solid rgba(46,230,214,.32)}
.tag-lime{background:rgba(200,249,78,.16);color:#D9FF6E;border:1px solid rgba(200,249,78,.34)}
.tag-pink{background:rgba(255,92,138,.14);color:var(--pink);border:1px solid rgba(255,92,138,.32)}
.tag-ink{background:rgba(16,21,40,.08);color:var(--ink);border:1px solid rgba(16,21,40,.14)}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:36px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:var(--line)}
.tl-item{position:relative;padding:0 0 32px 6px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:8px;width:13px;height:13px;border-radius:50%;
  background:var(--bg-soft);border:2px solid var(--cyan);box-shadow:0 0 0 4px rgba(46,230,214,.1);
}
.tl-item:nth-child(2n)::before{border-color:var(--lime)}
.tl-step{font-size:12.5px;letter-spacing:1.4px;color:var(--cyan);margin-bottom:6px}
.tl-item h3{font-size:18px;font-weight:600;margin-bottom:6px}
.tl-item p{color:var(--muted);font-size:14.5px;max-width:720px}
@media(min-width:768px){
  .timeline{padding-left:36px}
  .timeline::before{left:9px}
  .tl-item::before{left:-36px}
}

/* ============ 活动安排（浅色区） ============ */
.event-list{display:grid;gap:16px;margin-top:8px}
.event-item{
  display:grid;gap:16px;grid-template-columns:1fr;align-items:center;
  padding:22px;border-radius:var(--radius-card);background:#fff;
  border:1px solid rgba(16,21,40,.08);box-shadow:var(--shadow-light);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.event-item:hover{transform:translateY(-4px);border-color:rgba(46,180,170,.5);box-shadow:0 12px 30px rgba(16,21,40,.12)}
@media(min-width:768px){
  .event-item{grid-template-columns:132px 1fr auto;gap:24px}
}
.event-date{
  display:flex;flex-direction:column;gap:2px;color:var(--ink);
  border-left:3px solid var(--cyan);padding-left:14px;
}
.event-date .d1{font-size:20px;color:var(--ink)}
.event-date .d2{font-size:12.5px;color:var(--ink-muted)}
.event-body h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:6px}
.event-body p{color:var(--ink-muted);font-size:14.5px;line-height:1.8}
.event-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.event-cta{display:flex;align-items:center}
.section-paper .btn-ghost{border-color:rgba(16,21,40,.22);color:var(--ink);background:transparent}
.section-paper .btn-ghost:hover{border-color:#0F1A33;background:rgba(16,21,40,.06);color:var(--ink)}
.section-paper .btn-primary{background:#101528;color:#EAF3FF;box-shadow:0 6px 18px rgba(16,21,40,.18)}
.section-paper .btn-primary:hover{background:#1B2440;color:#fff}

/* ============ 评价 ============ */
.quote-grid{display:grid;gap:20px;grid-template-columns:1fr;margin-top:8px}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(2,1fr)}}
.quote-card{
  padding:26px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface-2);
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:18px 18px;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.quote-card:hover{border-color:var(--cyan-dim);transform:translateY(-3px)}
.quote-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{
  width:48px;height:48px;border-radius:50%;flex:0 0 48px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(46,230,214,.22),rgba(200,249,78,.18));
  border:1px solid var(--cyan-dim);color:var(--text);font-weight:700;font-size:16px;
}
.quote-top strong{display:block;font-size:15px}
.stars{display:flex;gap:3px;margin-top:2px}
.stars i{width:13px;height:13px;background:var(--cyan);clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.quote-card p{color:var(--muted);font-size:15px;line-height:1.85}
.quote-time{margin-top:14px;font-size:12.5px;color:var(--muted);opacity:.85}

/* ============ FAQ ============ */
.faq{max-width:920px;margin:8px auto 0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .18s var(--ease),padding-left .2s var(--ease);
  border-left:3px solid transparent;
}
.faq-q:hover{color:var(--cyan)}
.faq-item.open .faq-q{color:var(--cyan);padding-left:14px;border-left-color:var(--cyan)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;color:var(--cyan);
  transition:transform .2s var(--ease),border-color .18s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--cyan)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 0 24px 17px;color:var(--muted);font-size:15px;line-height:1.85;max-width:780px}

/* ============ CTA 通栏 ============ */
.cta-band{position:relative;overflow:hidden;padding:56px 0}
@media(min-width:768px){.cta-band{padding:72px 0}}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(46,230,214,.28);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-220px;width:420px;height:420px;border-radius:50%;
  border:1px dashed rgba(200,249,78,.22);pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;gap:26px;grid-template-columns:1fr;align-items:center;
  padding:34px;border:1px solid var(--line);border-radius:18px;
  background:var(--surface-2);
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:18px 18px;
  box-shadow:var(--shadow);
}
@media(min-width:1024px){
  .cta-inner{grid-template-columns:1.4fr 1fr;padding:44px}
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px)}
.cta-inner p{color:var(--muted);margin-top:10px;font-size:15px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(min-width:1024px){.cta-actions{justify-content:flex-end}}
@media(max-width:639px){.cta-actions .btn{width:100%}}

/* ============ 页脚 ============ */
.site-footer{background:#050810;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text);margin-bottom:14px}
.footer-about{color:var(--muted);font-size:14px;line-height:1.9;max-width:420px}
.footer-contact{margin-top:16px;color:var(--muted);font-size:13.5px;line-height:2}
.footer-col h4{font-size:14px;letter-spacing:1.2px;color:var(--text);margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--muted);font-size:14px;transition:color .18s var(--ease),padding-left .18s var(--ease)}
.footer-links a:hover{color:var(--cyan);padding-left:4px}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--muted);font-size:13px;
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}