/* roulang page: index */
:root{
  --bg-base:#0A101C;
  --bg-deep:#060A12;
  --bg-panel:#111A2B;
  --brand:#2FE3C4;
  --brand-2:#7C5CFF;
  --accent:#FFB020;
  --tx-1:#E8EEF7;
  --tx-2:#9BAEC6;
  --tx-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(47,227,196,.45);
  --glow:0 0 24px rgba(47,227,196,.35);
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 8px 30px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100%;
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(47,227,196,.11), transparent 60%),
    radial-gradient(820px 500px at 94% 2%, rgba(124,92,255,.13), transparent 62%),
    var(--bg-base);
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
::selection{background:rgba(47,227,196,.3);color:#fff}

/* ---------- 布局容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,2.5vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.3;margin-top:12px}
.section-head p{font-size:14px;color:var(--tx-2);margin-top:10px;max-width:560px}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;color:var(--brand);border:1px solid rgba(47,227,196,.32);background:rgba(47,227,196,.08);border-radius:999px;padding:5px 12px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;transition:opacity .18s}
.link-more:hover{opacity:.78}
.link-more i{font-size:12px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;border:1px solid transparent;transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,border-color .2s ease-out}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#07131E;box-shadow:var(--glow)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 34px rgba(47,227,196,.5);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--tx-1)}
.btn-ghost:hover{background:rgba(47,227,196,.08);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0) scale(.99)}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:10px}

/* ---------- 公告条 ---------- */
.announce{background:var(--bg-deep);border-bottom:1px solid var(--line);font-size:13px;position:relative;z-index:60}
.announce.is-hidden{display:none}
.announce-inner{display:flex;align-items:center;gap:14px;height:40px}
.badge-live{display:inline-flex;align-items:center;gap:7px;flex-shrink:0;font-size:12px;color:var(--brand);border:1px solid rgba(47,227,196,.34);background:rgba(47,227,196,.08);border-radius:999px;padding:3px 11px;white-space:nowrap}
.badge-live i{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 1.9s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(47,227,196,.55)}70%{box-shadow:0 0 0 8px rgba(47,227,196,0)}100%{box-shadow:0 0 0 0 rgba(47,227,196,0)}}
.announce-text{flex:1;color:var(--tx-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.countdown{display:flex;align-items:center;gap:5px;margin-left:auto;white-space:nowrap;color:var(--tx-2);font-variant-numeric:tabular-nums}
.cd-num{display:inline-block;min-width:27px;text-align:center;padding:1px 4px;font-size:13px;font-weight:700;color:var(--accent);background:var(--bg-panel);border:1px solid var(--line);border-radius:6px}
.announce-close{flex-shrink:0;width:26px;height:26px;border-radius:8px;color:var(--tx-3);font-size:17px;line-height:1;transition:color .18s,background .18s}
.announce-close:hover{color:var(--tx-1);background:rgba(255,255,255,.07)}
@media(max-width:767px){.announce-text{display:none}}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,16,28,.62);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
.nav.scrolled{background:rgba(10,16,28,.9);backdrop-filter:blur(18px);border-bottom-color:rgba(47,227,196,.4);box-shadow:0 10px 34px rgba(0,0,0,.45)}
.nav-inner{position:relative;display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;font-size:17px;font-weight:700;letter-spacing:-.01em}
.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#07131E;font-weight:800;font-size:17px;box-shadow:var(--glow)}
.logo-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:10px;font-size:15px;color:var(--tx-2);transition:color .18s ease,background .18s ease}
.nav-link:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(47,227,196,.85)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.badge-status{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--tx-2);border:1px solid var(--line);border-radius:999px;padding:4px 12px;white-space:nowrap}
.badge-status i{color:var(--brand);font-size:7px}
.nav-toggle{display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:40px;height:40px;border:1px solid var(--line);border-radius:10px}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--tx-1);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
@media(max-width:1023px){
  .nav-toggle{display:flex;margin-left:auto}
  .nav-right{display:none}
  .nav-menu{position:absolute;top:calc(100% + 1px);left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:12px 20px 20px;background:rgba(6,10,18,.98);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(0,0,0,.5)}
  .nav-menu.open{display:flex}
  .nav-link{height:46px;width:100%;justify-content:flex-start}
  .nav-link.active::after{left:0;right:auto;width:22px}
}

/* ---------- Hero ---------- */
.hero{padding:52px 0}
@media(min-width:1024px){.hero{padding:96px 0 88px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:52px}}
.hero h1{font-size:clamp(30px,4.4vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
.hero h1 .hl{background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:17px;font-weight:500;color:var(--tx-1)}
.hero-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--tx-2);max-width:540px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats strong{display:block;font-size:21px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats span{display:block;margin-top:4px;font-size:13px;color:var(--tx-3)}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:0 0 0 1px rgba(47,227,196,.14),var(--shadow)}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover}
@media(min-width:1024px){.hero-visual img{aspect-ratio:4/3}}
.hero-glass{position:absolute;left:16px;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:rgba(6,10,18,.66);backdrop-filter:blur(16px)}
.glass-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--tx-2)}
.glass-row strong{color:var(--tx-1);font-weight:600}
.glass-row strong.ok{color:var(--brand)}

/* ---------- Bento 服务块 ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.bento{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.bento{grid-template-columns:repeat(6,1fr)}}
.bento-card{position:relative;display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(255,255,255,.045);backdrop-filter:blur(16px);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s ease-out,border-color .2s ease-out}
.bento-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;opacity:0;background:linear-gradient(90deg,transparent,rgba(47,227,196,.65),transparent);transition:opacity .2s ease-out}
.bento-card:hover{transform:translateY(-4px);border-color:var(--line-hover)}
.bento-card:hover::before{opacity:1}
.bento-card h3{font-size:20px;font-weight:600;line-height:1.45;letter-spacing:-.01em}
.bento-card p{font-size:14px;line-height:1.75;color:var(--tx-2)}
.bento-wide{align-items:center;gap:22px}
@media(min-width:768px){.bento-wide{grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);display:grid}}
.bento-wide img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.bento-tall{justify-content:space-between}
@media(min-width:1024px){
  .bento-wide{grid-column:span 4}
  .bento-tall{grid-column:span 2}
  .bento-sm{grid-column:span 2}
}
.icon-box{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;font-size:17px;color:var(--brand);border:1px solid var(--line);background:linear-gradient(135deg,rgba(47,227,196,.18),rgba(124,92,255,.2))}
.dot-list{display:flex;flex-direction:column;gap:8px;font-size:14px;line-height:1.7;color:var(--tx-2)}
.dot-list li{position:relative;padding-left:16px}
.dot-list li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--brand)}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:52px 0}
@media(min-width:1024px){.stats-band{padding:72px 0}}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 24px}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat{position:relative;padding-bottom:18px}
.stat strong{display:block;font-size:clamp(30px,3.3vw,46px);font-weight:800;line-height:1.1;letter-spacing:-.01em;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 18px rgba(47,227,196,.28))}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--tx-2)}
.stat::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}

/* ---------- 精选展示 ---------- */
.showcase{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.showcase{grid-template-columns:repeat(2,1fr)}}
.showcase-col{display:flex;flex-direction:column;gap:24px}
@media(min-width:1024px){.showcase-col.offset{margin-top:32px}}
.show-card{display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.045);backdrop-filter:blur(16px);box-shadow:var(--shadow);transition:transform .2s ease-out,border-color .2s ease-out}
.show-card:hover{transform:translateY(-4px);border-color:var(--line-hover)}
.show-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.show-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 22px}
.show-body h3{font-size:18px;font-weight:600;line-height:1.5}
.show-body p{font-size:14px;line-height:1.75;color:var(--tx-2)}
.tag{display:inline-flex;align-items:center;width:fit-content;font-size:12px;letter-spacing:.04em;padding:3px 11px;border-radius:999px;color:#C6BAFF;border:1px solid rgba(124,92,255,.4);background:rgba(124,92,255,.15)}

/* ---------- 流程 ---------- */
.process{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){.process{grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px;align-items:start}}
.process-side{position:relative}
@media(min-width:1024px){.process-side{position:sticky;top:104px}}
.process-side h2{font-size:clamp(24px,2.5vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-top:12px}
.process-side p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--tx-2)}
.process-side .link-more{margin-top:22px}
.step-list{display:flex;flex-direction:column}
.step{display:grid;grid-template-columns:52px 1fr;gap:20px;align-items:start;padding:22px 16px;border-top:1px solid var(--line);border-radius:12px;transition:background .2s ease}
.step:last-child{border-bottom:1px solid var(--line)}
.step:hover{background:rgba(255,255,255,.03)}
.step-num{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid rgba(47,227,196,.45);color:var(--brand);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:600;line-height:1.5}
.step p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--tx-2)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{position:relative;display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.045);backdrop-filter:blur(16px);box-shadow:var(--shadow);transition:transform .2s ease-out,border-color .2s ease-out}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-hover)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(47,227,196,.25),rgba(124,92,255,.3))}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-badge{position:absolute;top:12px;left:12px;font-size:12px;padding:3px 11px;border-radius:999px;color:var(--brand);background:rgba(6,10,18,.8);border:1px solid var(--line);backdrop-filter:blur(8px)}
.news-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
.news-title{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{font-size:14px;line-height:1.72;color:var(--tx-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--tx-3);font-variant-numeric:tabular-nums}
.news-foot i{color:var(--brand);font-size:12px;transition:transform .2s ease}
.news-card:hover .news-foot i{transform:translateX(3px)}
.news-actions{display:flex;justify-content:center;margin-top:36px}
.news-empty{grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:36px;border-radius:var(--radius);border:1px dashed var(--line);background:rgba(255,255,255,.03)}
.news-empty i{font-size:26px;color:var(--brand)}
.news-empty strong{font-size:16px;font-weight:600}
.news-empty span{font-size:14px;color:var(--tx-2);max-width:420px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.04);overflow:hidden;transition:border-color .2s ease,background .2s ease}
.faq-item.open{border-color:var(--line-hover);background:rgba(47,227,196,.05)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 20px;font-size:17px;font-weight:600;text-align:left;line-height:1.5}
.faq-icon{position:relative;flex-shrink:0;width:22px;height:22px;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:50%;top:4px;bottom:4px;width:2px;margin-left:-1px}
.faq-icon::after{top:50%;left:4px;right:4px;height:2px;margin-top:-1px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--tx-2)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:1024px){.contact-grid{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px;align-items:start}}
.contact-points{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.contact-point{display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start}
.contact-point h3{font-size:16px;font-weight:600;line-height:1.5}
.contact-point p{font-size:14px;line-height:1.75;color:var(--tx-2);margin-top:2px}
.form-card{padding:26px;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(255,255,255,.045);backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.form-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.form-card > p{font-size:13px;color:var(--tx-3);margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr;column-gap:18px}
@media(min-width:640px){.form-row{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--tx-2)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;font-size:15px;background:#0B1220;border:1px solid var(--line);border-radius:12px;transition:border-color .18s ease,box-shadow .18s ease}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--tx-3) 50%),linear-gradient(135deg,var(--tx-3) 50%,transparent 50%);background-position:calc(100% - 20px) center,calc(100% - 15px) center;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--tx-3)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,227,196,.14)}
.form-submit{width:100%;margin-top:4px}
.form-note{margin-top:14px;font-size:12px;line-height:1.7;color:var(--tx-3)}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;font-size:14px;color:var(--brand);border:1px solid rgba(47,227,196,.34);background:rgba(47,227,196,.08)}
.form-msg.show{display:block}

/* ---------- 页脚 ---------- */
.footer{margin-top:24px;background:var(--bg-deep);border-top:1px solid var(--line);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.4fr}}
.footer h4{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700}
.footer-brand .logo-mark{width:32px;height:32px;font-size:16px}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--tx-2);max-width:300px}
.footer .badge-status{margin-top:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--tx-2);transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--tx-2)}
.footer-contact div{display:flex;align-items:center;gap:9px}
.footer-contact i{color:var(--brand);font-size:13px;width:14px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;margin-top:44px;padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--tx-3)}
.footer-bottom a:hover{color:var(--brand)}
@media(max-width:639px){.footer-bottom{flex-direction:column}}

/* roulang page: article */
:root{
  --bg-base:#0A101C;
  --bg-deep:#060A12;
  --bg-panel:#111A2B;
  --brand:#2FE3C4;
  --brand-2:#7C5CFF;
  --accent:#FFB020;
  --tx-1:#E8EEF7;
  --tx-2:#9BAEC6;
  --tx-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(47,227,196,.45);
  --glow:0 0 24px rgba(47,227,196,.35);
  --glow-strong:0 0 34px rgba(47,227,196,.5);
  --radius-s:12px;
  --radius-m:16px;
  --radius-l:20px;
  --shadow-card:0 8px 30px rgba(0,0,0,.35);
  --grad:linear-gradient(135deg,#2FE3C4 0%,#7C5CFF 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;font-family:"Inter","PingFang SC",sans-serif;}

/* ---------- 公告条 ---------- */
.notice-bar{
  background:var(--bg-deep);
  border-bottom:1px solid var(--line);
  font-size:13px;
}
.notice-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;min-height:38px;flex-wrap:wrap;
}
.notice-left{display:flex;align-items:center;gap:10px;color:var(--tx-2);}
.pulse-dot{
  width:8px;height:8px;border-radius:999px;background:var(--brand);
  box-shadow:0 0 0 0 rgba(47,227,196,.6);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(47,227,196,.55);}
  70%{box-shadow:0 0 0 10px rgba(47,227,196,0);}
  100%{box-shadow:0 0 0 0 rgba(47,227,196,0);}
}
.notice-tag{
  padding:2px 10px;border-radius:999px;border:1px solid var(--line-hover);
  color:var(--brand);font-size:12px;letter-spacing:.04em;
}
.notice-right{display:flex;align-items:center;gap:14px;color:var(--tx-2);}
.countdown{display:flex;align-items:center;gap:6px;color:var(--tx-1);}
.countdown b{
  display:inline-block;min-width:30px;text-align:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  border-radius:8px;padding:1px 6px;font-size:13px;color:var(--brand);font-weight:600;
}
.notice-close{color:var(--tx-3);padding:4px 6px;border-radius:8px;transition:all .2s ease-out;}
.notice-close:hover{color:var(--brand);background:rgba(47,227,196,.08);}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,16,28,.72);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:background .25s ease-out,border-color .25s ease-out;
}
.nav.is-scrolled{
  background:rgba(10,16,28,.9);
  border-bottom-color:var(--line-hover);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:68px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#06131A;font-weight:800;font-size:17px;
  box-shadow:var(--glow);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-menu{display:none;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;color:var(--tx-2);
  padding:6px 0;transition:color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--grad);border-radius:2px;
  transform:scaleX(0);transform-origin:center;transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--tx-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{display:none;align-items:center;gap:14px;}
.badge-status{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:rgba(47,227,196,.08);
  border:1px solid rgba(47,227,196,.28);
  color:var(--brand);font-size:12.5px;letter-spacing:.04em;white-space:nowrap;
}
.badge-status i{font-size:7px;}
.nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  padding:0 11px;
}
.nav-toggle span{display:block;height:2px;background:var(--tx-1);border-radius:2px;transition:all .2s ease-out;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(6,10,18,.96);
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:block;padding:14px 20px;font-size:15px;color:var(--tx-2);
  border-bottom:1px solid var(--line);
}
.nav-drawer a:hover{color:var(--brand);background:rgba(255,255,255,.03);}
@media(min-width:1024px){
  .nav-menu{display:flex;}
  .nav-right{display:flex;}
  .nav-toggle{display:none;}
  .nav-drawer{display:none !important;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);color:#06131A;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow-strong);filter:brightness(1.08);}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{
  background:transparent;color:var(--tx-1);border:1px solid var(--line);
}
.btn-ghost:hover{background:rgba(47,227,196,.08);border-color:var(--brand);color:var(--brand);}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:10px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:600;
  text-underline-offset:4px;border-bottom:1px solid rgba(47,227,196,.4);
  padding-bottom:2px;
}
.btn-link:hover{color:#6BF3DC;border-bottom-color:#6BF3DC;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}

/* ---------- 页面骨架 ---------- */
.page-head{padding:28px 0 0;}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.crumbs a{color:var(--tx-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--tx-3);opacity:.6;}
.crumbs .current{
  color:var(--tx-2);max-width:320px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}
.article-wrap{padding:26px 0 0;}
.article-shell{max-width:760px;margin:0 auto;}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:rgba(124,92,255,.16);
  border:1px solid rgba(124,92,255,.42);
  color:#C6B8FF;font-size:12.5px;letter-spacing:.04em;
}
.article-title{
  font-size:clamp(26px,3.2vw,40px);line-height:1.3;font-weight:800;
  letter-spacing:-.01em;margin:16px 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--brand);font-size:12px;}

/* ---------- 正文 ---------- */
.article-body{padding:32px 0 8px;font-size:17px;line-height:1.9;color:var(--tx-1);}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--brand);
  letter-spacing:-.01em;
}
.article-body h3{font-size:20px;font-weight:600;margin:30px 0 12px;color:var(--tx-1);}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:2px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:item;}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:.55em;
  font-size:12px;color:var(--brand);font-weight:700;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--brand-2);
  background:rgba(124,92,255,.08);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--tx-2);
}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(47,227,196,.4);}
.article-body a:hover{color:#6BF3DC;}
.article-body img{border-radius:var(--radius-s);border:1px solid var(--line);margin:20px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;text-align:center;color:var(--tx-3);margin-top:10px;}
.article-body code{
  background:rgba(255,255,255,.07);border:1px solid var(--line);
  padding:2px 7px;border-radius:6px;font-size:14px;color:#9BF2E0;
}
.article-body pre{
  background:var(--bg-deep);border:1px solid var(--line);
  border-radius:var(--radius-s);padding:18px;overflow-x:auto;margin:22px 0;
}
.article-body pre code{background:none;border:none;padding:0;color:var(--tx-2);font-size:14px;}
.article-body table{
  display:block;width:100%;overflow-x:auto;margin:22px 0;
  border:1px solid var(--line);border-radius:var(--radius-s);
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);}
.article-body th{background:rgba(255,255,255,.04);color:var(--brand);font-weight:600;white-space:nowrap;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}
.article-body strong{color:#FFFFFF;}

.empty-panel{
  margin:18px 0 8px;padding:56px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-l);
  background:rgba(255,255,255,.03);
}
.empty-panel i{font-size:30px;color:var(--brand);margin-bottom:16px;display:block;}
.empty-panel h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.empty-panel p{font-size:14px;color:var(--tx-2);margin-bottom:20px;}

/* ---------- 文末 ---------- */
.article-foot{padding:30px 0 0;border-top:1px solid var(--line);margin-top:20px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag-pill{
  display:inline-block;padding:6px 16px;border-radius:999px;
  border:1px solid var(--line);font-size:13px;color:var(--tx-2);
  transition:all .2s ease-out;
}
.tag-pill:hover{border-color:var(--brand);color:var(--brand);background:rgba(47,227,196,.07);}
.foot-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:76px 0;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;}
.sec-head p{font-size:14px;color:var(--tx-2);margin-top:8px;max-width:640px;}

.related-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:768px){.related-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.rcard{
  display:flex;flex-direction:column;gap:0;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.rcard:hover{transform:translateY(-4px);border-color:var(--line-hover);}
.rcard .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;}
.rcard .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,0) 40%,rgba(6,10,18,.72) 100%);
}
.rcard .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;}
.rcard h3{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard p{
  font-size:14px;color:var(--tx-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard .meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--tx-3);margin-top:2px;}
.abs-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.04em;
  background:rgba(6,10,18,.78);border:1px solid rgba(47,227,196,.35);color:var(--brand);
  backdrop-filter:blur(6px);
}

/* 横卡 */
.hcard{
  display:flex;gap:16px;align-items:stretch;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.hcard:hover{transform:translateY(-3px);border-color:var(--line-hover);}
.hcard .pic{flex:0 0 40%;aspect-ratio:16/10;overflow:hidden;}
.hcard .pic img{width:100%;height:100%;object-fit:cover;}
.hcard .txt{padding:16px 18px 16px 0;display:flex;flex-direction:column;gap:8px;justify-content:center;}
.hcard .txt h3{
  font-size:16.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hcard .txt p{
  font-size:13.5px;color:var(--tx-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hcard .txt .meta{font-size:12.5px;color:var(--tx-3);display:flex;gap:12px;flex-wrap:wrap;}
@media(max-width:640px){
  .hcard{flex-direction:column;}
  .hcard .pic{flex:none;width:100%;aspect-ratio:16/9;}
  .hcard .txt{padding:16px 18px;}
}

/* CTA 条 */
.cta-band{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:36px 28px;text-align:center;
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 200px at 50% -40%,rgba(47,227,196,.16),transparent 70%);
  pointer-events:none;
}
.cta-band h2{position:relative;font-size:clamp(21px,2.6vw,28px);font-weight:700;letter-spacing:-.01em;}
.cta-band p{position:relative;font-size:14.5px;color:var(--tx-2);margin:12px auto 24px;max-width:560px;}
.cta-actions{position:relative;display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-deep);border-top:1px solid var(--line);margin-top:20px;padding:56px 0 24px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;}
.footer-desc{font-size:13.5px;color:var(--tx-2);line-height:1.8;margin-bottom:16px;max-width:320px;}
.footer h4{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--tx-1);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--tx-2);transition:all .18s ease-out;}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--tx-2);}
.footer-contact div{display:flex;align-items:center;gap:9px;}
.footer-contact i{color:var(--brand);font-size:13px;}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}

/* roulang page: category1 */
:root{
  --bg-base:#0A101C;
  --bg-deep:#060A12;
  --bg-panel:#111A2B;
  --brand:#2FE3C4;
  --brand-2:#7C5CFF;
  --accent:#FFB020;
  --tx-1:#E8EEF7;
  --tx-2:#9BAEC6;
  --tx-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(47,227,196,.45);
  --glow:0 0 24px rgba(47,227,196,.35);
  --glow-strong:0 0 34px rgba(47,227,196,.5);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow:0 8px 30px rgba(0,0,0,.35);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Inter",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(10,16,28,.74);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease;
}
.nav.scrolled{background:rgba(10,16,28,.92);border-bottom-color:rgba(47,227,196,.32)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:68px}

.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#061019;font-weight:800;font-size:17px;line-height:1;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;border-radius:10px;font-size:15px;color:var(--tx-2);
  transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:var(--glow);
}

.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.badge-status{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  font-size:13px;color:var(--tx-2);white-space:nowrap;line-height:1.6;
}
.badge-status i{font-size:6px;color:var(--brand);animation:pulseDot 2s ease-in-out infinite}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.35}}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--line-hover)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--tx-1);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#061019;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow-strong);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--tx-1)}
.btn-ghost:hover{background:rgba(47,227,196,.08);border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{transform:translateY(0) scale(.99)}
.link-more{
  color:var(--brand);font-size:14px;font-weight:600;
  border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;
  display:inline-flex;align-items:center;gap:6px;
}
.link-more:hover{border-bottom-color:var(--brand)}

/* ---------- 分类 Hero ---------- */
.hero-cat{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:56px 0 60px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(6,10,18,.94),rgba(6,10,18,.78) 55%,rgba(6,10,18,.66))}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;align-items:end}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.65fr) minmax(0,.85fr);gap:48px}}

.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:16px}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--tx-3);opacity:.7}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--brand);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:block}

h1.hero-title{
  font-size:clamp(28px,3.8vw,44px);line-height:1.2;font-weight:800;
  letter-spacing:-.01em;margin:0 0 16px;
}
.hero-lead{font-size:17px;color:var(--tx-2);max-width:620px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

.glass-card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:rgba(255,255,255,.05);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);padding:22px;
}
.glass-card h3{font-size:15px;font-weight:700;margin:0 0 4px;color:var(--tx-1)}
.glass-card .muted{font-size:13px;color:var(--tx-3)}
.metric-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line)}
.metric-row:last-child{border-bottom:0;padding-bottom:0}
.metric-row:first-of-type{padding-top:18px}
.metric-num{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1}
.metric-label{font-size:13px;color:var(--tx-2)}

/* ---------- 板块 ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
@media(max-width:767px){.section{padding:48px 0}.section-tight{padding:40px 0}}

.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-title{font-size:clamp(23px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.3}
.section-sub{font-size:15px;color:var(--tx-2);margin-top:10px;max-width:660px}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr);gap:22px}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);gap:24px}}

.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(255,255,255,.045);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
  transition:transform .2s ease-out,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:0 14px 34px rgba(0,0,0,.42)}
.card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;opacity:0;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.6),transparent);
  transition:opacity .2s ease;
}
.card:hover::after{opacity:1}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(47,227,196,.22),rgba(124,92,255,.24))}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.05)}
.tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 11px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.04em;
  background:rgba(6,10,18,.72);border:1px solid var(--line);color:var(--brand);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.tag-warm{color:var(--accent);border-color:rgba(255,176,32,.35)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5}
.card-body p{font-size:14px;line-height:1.7;color:var(--tx-2)}
.card-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--tx-3)}

/* ---------- 数据条 ---------- */
.stat-band{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat-num{
  font-size:clamp(30px,4vw,44px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgba(47,227,196,.25));
}
.stat-line{height:1px;background:linear-gradient(90deg,var(--brand),rgba(47,227,196,0));margin:12px 0 10px}
.stat-label{font-size:14px;color:var(--tx-2)}

/* ---------- 左右分栏 + 勾选清单 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.split{grid-template-columns:minmax(0,.82fr) minmax(0,1.35fr);gap:56px;align-items:start}}
.split-aside{position:relative}
@media(min-width:1024px){.split-aside{position:sticky;top:96px}}
.aside-note{
  margin-top:20px;padding:16px 18px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(255,255,255,.035);
  font-size:14px;color:var(--tx-2);line-height:1.8;
}

.list-group{margin-bottom:28px}
.list-group:last-child{margin-bottom:0}
.list-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;margin-bottom:6px;
}
.list-group-title span{
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--brand);
  border:1px solid rgba(47,227,196,.35);border-radius:var(--r-pill);padding:2px 9px;
}
.check-list li{display:flex;gap:14px;padding:15px 8px;border-bottom:1px solid var(--line);transition:background .2s ease}
.check-list li:hover{background:rgba(255,255,255,.03)}
.check-list i{color:var(--brand);margin-top:8px;font-size:13px;flex:none}
.check-list b{display:block;font-size:15px;font-weight:600;line-height:1.6}
.check-list small{display:block;font-size:13.5px;color:var(--tx-2);line-height:1.7;margin-top:2px}

/* ---------- Bento 场景块 ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.bento{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){
  .bento{grid-template-columns:repeat(6,1fr);gap:24px}
  .bento .span-6{grid-column:span 6}
  .bento .span-4{grid-column:span 4}
  .bento .span-3{grid-column:span 3}
  .bento .span-2{grid-column:span 2}
}
.bento-card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:rgba(255,255,255,.045);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow);padding:24px;position:relative;overflow:hidden;
  transition:transform .2s ease-out,border-color .2s ease;
}
.bento-card:hover{transform:translateY(-4px);border-color:var(--line-hover)}
.bento-card.dark{background:var(--bg-panel)}
.bento-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,227,196,.18),rgba(124,92,255,.22));
  border:1px solid var(--line);color:var(--brand);font-size:18px;margin-bottom:16px;
}
.bento-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.bento-card p{font-size:14.5px;color:var(--tx-2);line-height:1.8}
.bento-media{aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);margin-top:18px}
.bento-media img{width:100%;height:100%;object-fit:cover}
.point-list{margin-top:14px;display:grid;gap:8px}
.point-list li{display:flex;gap:10px;font-size:14px;color:var(--tx-2);line-height:1.7}
.point-list i{color:var(--brand);margin-top:7px;font-size:11px;flex:none}

/* ---------- 流程 ---------- */
.steps{border-top:1px solid var(--line)}
.step{display:flex;gap:20px;padding:24px 10px;border-bottom:1px solid var(--line);transition:background .2s ease}
.step:hover{background:rgba(255,255,255,.03)}
.step-num{
  flex:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid rgba(47,227,196,.45);display:grid;place-items:center;
  font-size:19px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--tx-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(255,255,255,.04);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item.open{border-color:var(--line-hover);background:rgba(255,255,255,.055)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:17px;font-weight:600;line-height:1.6;
}
.faq-q i{color:var(--brand);transition:transform .25s ease;flex:none}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--tx-2)}

/* ---------- CTA 条 ---------- */
.cta-band{
  max-width:880px;margin:0 auto;text-align:center;padding:44px 28px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:
    radial-gradient(circle at 50% 0,rgba(47,227,196,.14),transparent 68%),
    rgba(255,255,255,.045);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.5vw,30px);font-weight:700;line-height:1.35;margin-bottom:12px}
.cta-band p{font-size:15px;color:var(--tx-2);max-width:600px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--tx-2);line-height:1.8;margin-bottom:16px;max-width:300px}
.footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--tx-1)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--tx-2);transition:color .2s ease,transform .2s ease;width:fit-content}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact div{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--tx-2)}
.footer-contact i{color:var(--brand);width:16px;text-align:center}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--tx-3);
}

/* ---------- 响应式导航 ---------- */
@media(max-width:1023px){
  .nav-menu{
    position:fixed;top:68px;left:0;right:0;z-index:55;
    flex-direction:column;align-items:stretch;gap:4px;
    margin-left:0;padding:14px 20px 22px;
    background:rgba(6,10,18,.98);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .25s ease,opacity .25s ease;
  }
  .nav-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{height:46px;padding:0 14px;font-size:15.5px}
  .nav-link.active::after{left:14px;right:auto;width:26px;bottom:8px}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-right{margin-left:0}
}
@media(max-width:639px){
  .nav-right .badge-status{display:none}
  .logo-text{font-size:16px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --bg-base:#0A101C;
  --bg-deep:#060A12;
  --bg-panel:#111A2B;
  --brand:#2FE3C4;
  --brand-2:#7C5CFF;
  --accent:#FFB020;
  --tx-1:#E8EEF7;
  --tx-2:#9BAEC6;
  --tx-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(47,227,196,.45);
  --glow:0 0 24px rgba(47,227,196,.35);
  --glow-strong:0 0 34px rgba(47,227,196,.5);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 8px 30px rgba(0,0,0,.35);
  --shadow-lg:0 14px 40px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--tx-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:72px 72px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
::selection{background:rgba(47,227,196,.3);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(10,16,28,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .25s ease,border-color .25s ease}
.nav.is-scrolled{background:rgba(10,16,28,.9);border-bottom-color:rgba(47,227,196,.28)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#06121A;font-weight:800;font-size:16px;line-height:1;box-shadow:var(--glow)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--tx-1)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{position:relative;display:inline-block;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--tx-2);transition:color .2s ease,background .2s ease}
.nav-link:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--brand);box-shadow:var(--glow)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0 10px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--tx-1);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:1023px){
  .nav-menu{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:12px 20px 18px;background:rgba(17,26,43,.98);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
  .nav-menu.is-open{display:flex}
  .nav-link{padding:12px 8px;font-size:16px}
  .nav-link.active::after{left:8px;transform:none}
  .nav-toggle{display:inline-flex;margin-left:10px}
}
@media(max-width:767px){
  .nav-right .badge-status{display:none}
  .logo-text{font-size:15px}
  .nav-inner{gap:12px;min-height:64px}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border:1px solid transparent;border-radius:12px;font-size:15px;font-weight:600;line-height:1;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#071018;box-shadow:var(--glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--glow-strong)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--tx-1)}
.btn-ghost:hover{background:rgba(47,227,196,.08);border-color:var(--brand);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0) scale(.99)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.link-more:hover{color:#fff}

/* ---------- 状态徽章 / 标签 ---------- */
.badge-status{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04);font-size:13px;color:var(--tx-2);letter-spacing:.02em}
.badge-status i{color:var(--brand);font-size:7px;filter:drop-shadow(0 0 6px rgba(47,227,196,.85))}
.tag{display:inline-block;padding:5px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03);font-size:13px;color:var(--tx-2);letter-spacing:.04em;transition:border-color .2s ease,color .2s ease}
.tag:hover{border-color:var(--line-hover);color:var(--tx-1)}
.badge-cat{position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em;color:#06121A;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 6px 18px rgba(0,0,0,.35)}

/* ---------- 通用卡片 ---------- */
.card{position:relative;background:rgba(255,255,255,.045);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:18%;right:18%;height:1px;background:linear-gradient(90deg,transparent,rgba(47,227,196,.6),transparent);opacity:0;transition:opacity .25s ease;z-index:2}
.card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-lg)}
.card:hover::before{opacity:1}

/* ---------- Hero ---------- */
.cat-hero{position:relative;display:flex;align-items:center;min-height:272px;padding:54px 0 60px;background-image:linear-gradient(180deg,rgba(6,10,18,.72),rgba(6,10,18,.9)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;border-bottom:1px solid var(--line);overflow:hidden}
.cat-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(47,227,196,.5),transparent)}
.cat-hero > .container{position:relative;z-index:1;width:100%}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:40px;align-items:center}
.breadcrumb{font-size:13px;color:var(--tx-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"›";color:var(--tx-3);opacity:.7}
.breadcrumb a{color:var(--tx-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current="page"]{color:var(--tx-2)}
.hero-title{margin-top:16px;font-size:clamp(26px,3.6vw,42px);line-height:1.22;font-weight:800;letter-spacing:-.01em;color:var(--tx-1)}
.hero-sub{margin-top:14px;font-size:16px;color:var(--tx-2);max-width:620px}
.hero-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.glass-card{padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(255,255,255,.06);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.glass-card h2{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--tx-3);margin-bottom:8px}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.09)}
.stat-row:last-child{border-bottom:0;padding-bottom:0}
.stat-row .k{font-size:13px;color:var(--tx-3)}
.stat-row .v{font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .cat-hero{min-height:0;padding:40px 0 46px}
}

/* ---------- 板块 ---------- */
.section{position:relative;z-index:1;padding:72px 0}
.section-alt{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.3}
.sec-desc{margin-top:10px;font-size:15px;color:var(--tx-2);max-width:660px}
@media(max-width:767px){
  .section{padding:48px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px}
}

/* ---------- 内容卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media(max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.card-grid{grid-template-columns:1fr;gap:18px}}
.content-card{display:flex;flex-direction:column;height:100%}
.content-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(47,227,196,.18),rgba(124,92,255,.22))}
.thumb-img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.content-card:hover .thumb-img{transform:scale(1.05)}
.content-card .body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
.card-title{font-size:18px;font-weight:600;line-height:1.55;color:var(--tx-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-excerpt{font-size:14px;line-height:1.75;color:var(--tx-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--tx-3);font-variant-numeric:tabular-nums}
.card-foot i{color:var(--tx-3);transition:color .2s ease,transform .2s ease}
.content-card:hover .card-foot i{color:var(--brand);transform:translateX(3px)}

/* ---------- 要点卡 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media(max-width:767px){.points-grid{grid-template-columns:1fr}}
.point-card{display:flex;align-items:flex-start;gap:16px;padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.045);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.point-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-lg)}
.point-icon{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line);background:linear-gradient(135deg,rgba(47,227,196,.18),rgba(124,92,255,.18));color:var(--brand);font-size:17px}
.point-title{font-size:17px;font-weight:600;margin-bottom:6px;color:var(--tx-1)}
.point-text{font-size:14px;line-height:1.75;color:var(--tx-2)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
@media(max-width:1023px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding:22px 20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.03);transition:border-color .2s ease,background .2s ease,transform .2s ease}
.step:hover{border-color:var(--line-hover);background:rgba(255,255,255,.05);transform:translateY(-3px)}
.step-num{width:40px;height:40px;margin-bottom:14px;display:grid;place-items:center;border:1px solid rgba(47,227,196,.45);border-radius:999px;background:rgba(47,227,196,.06);color:var(--brand);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--tx-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{margin-bottom:14px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.035);overflow:hidden;transition:border-color .2s ease}
.faq-item.is-open{border-color:var(--line-hover)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;background:none;border:0;text-align:left;font-size:18px;font-weight:600;color:var(--tx-1)}
.faq-q i{flex:none;color:var(--brand);transition:transform .3s ease}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--tx-2)}
@media(max-width:639px){
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a p{padding:0 18px 18px;font-size:14px}
}

/* ---------- CTA ---------- */
.cta-bar{max-width:880px;margin:0 auto;padding:40px 32px;text-align:center;border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(47,227,196,.10),rgba(124,92,255,.12));backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.cta-bar h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.35}
.cta-bar p{margin-top:12px;font-size:15px;color:var(--tx-2)}
.cta-actions{margin-top:24px;display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
@media(max-width:639px){.cta-bar{padding:28px 20px}}

/* ---------- 页脚 ---------- */
.footer{position:relative;z-index:1;padding:64px 0 28px;background:var(--bg-deep);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:639px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:17px;font-weight:800}
.footer-desc{max-width:320px;margin-bottom:16px;font-size:14px;line-height:1.8;color:var(--tx-2)}
.footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--tx-1)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--tx-2);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact div{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--tx-2)}
.footer-contact i{color:var(--brand)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--tx-3)}