/* roulang page: index */
:root{
  --bg:#070B1C;
  --bg-2:#0B1229;
  --star:#6C5CE7;
  --aurora:#23D5C4;
  --gold:#F5C86B;
  --title:#F2F5FF;
  --text:#C7D0E4;
  --muted:#8A94B0;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.06);
  --glass-border:rgba(255,255,255,.12);
  --r-card:20px;
  --r-img:16px;
  --r-input:14px;
  --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(760px 480px at 10% -8%, rgba(108,92,231,.18), transparent 62%),
    radial-gradient(640px 420px at 92% 2%, rgba(35,213,196,.13), transparent 60%),
    radial-gradient(900px 600px at 50% 108%, rgba(108,92,231,.14), transparent 66%),
    linear-gradient(180deg,#070B1C 0%, #0B1229 46%, #070B1C 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--aurora);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#7EF3E7}
button,input{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--title);letter-spacing:.01em;font-weight:700}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--aurora);outline-offset:3px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- container ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:110px 0}
.section-sm{padding:76px 0}

/* ---------- glass ---------- */
.glass{
  background:var(--glass);
  border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  border-radius:var(--r-card);
}

/* ---------- top stack: dock + countdown ---------- */
.top-stack{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1160px,92vw);z-index:80;
  display:flex;flex-direction:column;gap:8px;
}
.dock{
  display:flex;align-items:center;gap:14px;
  height:64px;padding:0 14px 0 18px;border-radius:999px;
  background:rgba(11,18,41,.74);
  border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  box-shadow:0 18px 44px -26px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.06);
  transition:height .28s ease, background .28s ease, box-shadow .28s ease;
}
body.scrolled .dock{
  height:52px;background:rgba(8,13,32,.9);
  -webkit-backdrop-filter:blur(22px) saturate(160%);
  backdrop-filter:blur(22px) saturate(160%);
  box-shadow:0 22px 50px -26px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.07);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.brand-mark{
  width:34px;height:34px;flex-shrink:0;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(140deg, rgba(108,92,231,.95), rgba(35,213,196,.9));
  box-shadow:0 0 0 1px rgba(35,213,196,.35), 0 0 26px -6px rgba(35,213,196,.55);
  transition:transform .3s ease;
}
.brand:hover .brand-mark{transform:rotate(-8deg) scale(1.04)}
.brand-name{font-size:15px;font-weight:650;color:var(--title);white-space:nowrap;letter-spacing:.01em}
.brand-name em{font-style:normal;color:var(--muted);font-size:12px;margin-left:6px;font-weight:400}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-nav a{
  position:relative;display:inline-block;padding:8px 13px;font-size:14px;color:var(--text);
  border-radius:999px;transition:color .2s ease, background .2s ease;
}
.dock-nav a:hover{color:var(--title);background:rgba(255,255,255,.06)}
.dock-nav a.active{color:var(--aurora)}
.dock-nav a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--aurora);box-shadow:0 0 12px rgba(35,213,196,.85);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:999px;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.05);color:var(--text);
  transition:all .22s ease;
}
.icon-btn:hover{color:var(--title);border-color:rgba(35,213,196,.45);box-shadow:0 0 18px -6px rgba(35,213,196,.6)}
.menu-btn{display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--glass-border);background:rgba(255,255,255,.05);color:var(--title);place-items:center}
.mobile-panel{
  display:none;flex-direction:column;gap:4px;padding:14px;margin-top:2px;
  border-radius:22px;background:rgba(9,14,34,.94);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  box-shadow:0 24px 50px -28px rgba(0,0,0,.95);
}
.mobile-panel.open{display:flex}
.mobile-panel a{padding:12px 14px;border-radius:14px;color:var(--text);font-size:15px}
.mobile-panel a:hover{background:rgba(255,255,255,.06);color:var(--title)}
.mobile-panel a.active{color:var(--aurora);background:rgba(35,213,196,.08)}

/* ---------- countdown ---------- */
.countdown{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:9px 12px 9px 20px;border-radius:999px;
  background:rgba(11,18,41,.8);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  box-shadow:0 16px 38px -28px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.05);
  position:relative;overflow:hidden;transition:padding .28s ease;
}
.countdown::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:linear-gradient(90deg, transparent, rgba(35,213,196,.55), rgba(108,92,231,.4), transparent);
  opacity:.7;
}
.cd-text{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.star-dot{
  width:8px;height:8px;flex-shrink:0;border-radius:2px;transform:rotate(45deg);
  background:var(--gold);box-shadow:0 0 12px rgba(245,200,107,.9);
}
.cd-units{display:flex;align-items:center;gap:8px;flex-shrink:0}
.cd-unit{display:flex;align-items:baseline;gap:3px;padding:3px 10px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.cd-unit b{font-size:15px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.cd-unit em{font-style:normal;font-size:11px;color:var(--muted)}
.cd-mini{display:none;align-items:center;gap:6px;font-size:13px;color:var(--gold);font-variant-numeric:tabular-nums}
.countdown.mini{padding:7px 14px;justify-content:flex-end}
.countdown.mini .cd-text,.countdown.mini .cd-units{display:none}
.countdown.mini .cd-mini{display:flex}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:650;
  border:1px solid transparent;text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, filter .22s ease, border-color .22s ease;
}
.btn-primary{
  color:#05122A;
  background:linear-gradient(120deg,#7B6CF0 0%, #23D5C4 100%);
  box-shadow:0 0 0 1px rgba(35,213,196,.35), 0 0 28px -6px rgba(35,213,196,.55);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(35,213,196,.55), 0 0 40px -4px rgba(35,213,196,.7);transform:translateY(-2px);color:#05122A}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  color:var(--title);background:rgba(255,255,255,.05);border-color:var(--glass-border);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:rgba(35,213,196,.5);color:var(--title);box-shadow:0 0 24px -12px rgba(35,213,196,.8);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--aurora);
  border-bottom:1px dashed rgba(35,213,196,.55);padding-bottom:2px;transition:all .22s ease;
}
.btn-text:hover{color:#8CF6EA;border-bottom-style:solid;border-bottom-color:var(--aurora);text-shadow:0 0 12px rgba(35,213,196,.6)}

/* ---------- badge / chip ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:#BFF7F0;background:rgba(35,213,196,.12);border:1px solid rgba(35,213,196,.35);
}
.badge-gold{color:#F8DC9E;background:rgba(245,200,107,.12);border-color:rgba(245,200,107,.35)}
.badge-soft{color:var(--text);background:rgba(255,255,255,.07);border-color:var(--glass-border);font-weight:500}
.chip{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;
  color:var(--text);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:all .2s ease;cursor:default;
}
.chip:hover{color:var(--title);border-color:rgba(35,213,196,.4)}
.chip-active{color:#BFF7F0;background:rgba(35,213,196,.12);border-color:rgba(35,213,196,.4)}

/* ---------- main offset ---------- */
main{padding-top:168px}
body.scrolled main{padding-top:150px}

/* ---------- hero ---------- */
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.hero-left h1{
  font-size:clamp(30px,4.4vw,56px);line-height:1.15;font-weight:700;margin:20px 0 0;
  background:linear-gradient(120deg,#FFFFFF 0%,#D9E2FF 45%,#9CF2E8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text);margin-top:18px;max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:24px;color:var(--title);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero-media{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--glass-border);box-shadow:0 30px 60px -30px rgba(0,0,0,.9)}
.hero-media img{width:100%;aspect-ratio:4/3.4;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(7,11,28,.05) 30%, rgba(7,11,28,.85) 100%)}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  padding:18px 20px;border-radius:16px;
}
.hero-float p{font-size:14.5px;color:var(--title);margin-top:10px}
.hero-float .muted{font-size:12.5px;color:var(--muted);margin-top:6px}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3vw,40px);line-height:1.25}
.sec-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:640px;line-height:1.8}
.sec-head.center{flex-direction:column;align-items:center;text-align:center}
.sec-head.center .sec-sub{text-align:center}

/* ---------- selling points ---------- */
.sp-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.sp-card{
  padding:30px;border-radius:var(--r-card);position:relative;overflow:hidden;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.sp-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 26px 50px -26px rgba(0,0,0,.85)}
.sp-big{grid-column:span 6;grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;gap:26px}
.sp-small{grid-column:span 6;display:flex;gap:18px;align-items:flex-start}
.sp-wide{grid-column:span 12;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.sp-ico{
  width:48px;height:48px;flex-shrink:0;display:grid;place-items:center;border-radius:14px;
  background:rgba(35,213,196,.1);border:1px solid rgba(35,213,196,.3);color:var(--aurora);
}
.sp-card h3{font-size:17px;font-weight:650;line-height:1.5}
.sp-card p{font-size:14.5px;color:var(--text);margin-top:10px;line-height:1.8}
.sp-big h3{font-size:22px}
.sp-big p{font-size:15px;max-width:460px}
.sp-figure{display:flex;align-items:baseline;gap:10px;margin-top:22px}
.sp-figure b{font-size:42px;line-height:1;color:var(--title);font-variant-numeric:tabular-nums}
.sp-figure span{font-size:13.5px;color:var(--muted)}
.progress{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:16px}
.progress i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#6C5CE7,#23D5C4);box-shadow:0 0 14px -2px rgba(35,213,196,.8)}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:138px;gap:20px;grid-auto-flow:dense}
.g-item{position:relative;margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:linear-gradient(150deg,#101A38,#0A1024)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.03)}
.g-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 18px 14px;font-size:14px;color:var(--title);
  background:linear-gradient(180deg, transparent, rgba(5,9,22,.92));
  opacity:0;transform:translateY(8px);transition:all .3s ease;
}
.g-item:hover figcaption{opacity:1;transform:translateY(0)}
.g-a{grid-column:span 3;grid-row:span 2}
.g-b{grid-column:span 3}
.g-c{grid-column:span 3}
.g-d{grid-column:span 2;grid-row:span 2}
.g-e{grid-column:span 2}
.g-f{grid-column:span 2}
.g-g{grid-column:span 3}
.g-h{grid-column:span 3}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--r-card);
  text-decoration:none;color:inherit;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 26px 52px -26px rgba(0,0,0,.85)}
.news-card h3{
  font-size:18px;line-height:1.55;font-weight:650;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.news-arrow{margin-left:auto;color:var(--aurora);transition:transform .22s ease}
.news-card:hover .news-arrow{transform:translateX(4px)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;
  padding:56px 24px;border-radius:var(--r-card);
}
.empty-state p{font-size:15px;color:var(--muted)}

/* ---------- evidence ---------- */
.ev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ev-card{padding:28px;border-radius:var(--r-card);display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,border-color .25s ease}
.ev-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2)}
.ev-card b{font-size:32px;color:var(--title);font-variant-numeric:tabular-nums;line-height:1}
.ev-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.ev-quote{font-size:15px;color:var(--text);line-height:1.85}

/* ---------- cta / form ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  padding:48px;border-radius:26px;
}
.cta-copy h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3}
.cta-copy p{margin-top:16px;font-size:15px;color:var(--text);line-height:1.85;max-width:460px}
.cta-copy .muted{font-size:13.5px;color:var(--muted);margin-top:12px}
.cta-form{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field input{
  height:52px;padding:0 18px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);color:var(--title);
  transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
}
.field input::placeholder{color:var(--muted)}
.field input:focus{
  outline:none;border-color:var(--aurora);background:rgba(35,213,196,.07);
  box-shadow:0 0 0 1px rgba(35,213,196,.55), 0 0 24px -6px rgba(35,213,196,.6);
}
.field.error input{border-color:#FF6B81;box-shadow:0 0 0 1px rgba(255,107,129,.45)}
.field-err{display:none;font-style:normal;font-size:12.5px;color:#FF8B9C}
.field.error .field-err{display:block}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.6}
.checkline input{width:18px;height:18px;margin-top:2px;accent-color:#23D5C4;flex-shrink:0}
.form-note{font-size:12.5px;color:var(--muted)}
.form-ok{
  display:none;padding:12px 16px;border-radius:12px;font-size:13.5px;color:#BFF7F0;
  background:rgba(35,213,196,.1);border:1px solid rgba(35,213,196,.4);
}
.form-ok.show{display:block}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-radius:16px;margin-bottom:12px;overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:20px 22px;text-align:left;
  color:var(--title);font-size:16px;font-weight:600;transition:color .22s ease;
}
.faq-num{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;flex-shrink:0;transition:color .22s ease}
.faq-title{flex:1;position:relative;padding-left:0;transition:color .22s ease}
.faq-ico{flex-shrink:0;color:var(--muted);transition:transform .28s ease, color .22s ease}
.faq-item.open .faq-q{color:var(--aurora)}
.faq-item.open .faq-num{color:var(--aurora)}
.faq-item.open .faq-ico{transform:rotate(180deg);color:var(--aurora)}
.faq-item.open .faq-title::before{
  content:"";position:absolute;left:-14px;top:4px;bottom:4px;width:2px;border-radius:2px;
  background:var(--aurora);box-shadow:0 0 12px rgba(35,213,196,.9);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 22px 60px;font-size:14.5px;color:var(--text);line-height:1.9}
.faq-item.open .faq-a{max-height:320px}

/* ---------- footer ---------- */
.site-footer{margin-top:60px;border-top:1px solid var(--line);background:linear-gradient(180deg, rgba(11,18,41,.4), rgba(7,11,28,.95))}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:66px 0 44px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:320px}
.foot-social{display:flex;gap:10px;margin-top:20px}
.foot-social a{
  width:38px;height:38px;display:grid;place-items:center;border-radius:999px;
  border:1px solid var(--glass-border);background:rgba(255,255,255,.05);color:var(--text);
  transition:all .22s ease;
}
.foot-social a:hover{color:var(--aurora);border-color:rgba(35,213,196,.5);box-shadow:0 0 18px -6px rgba(35,213,196,.7)}
.foot-col h4{font-size:14px;color:var(--title);margin-bottom:18px;font-weight:600}
.foot-col li{margin-bottom:11px}
.foot-col a,.foot-col span{font-size:14px;color:var(--muted);transition:color .2s ease}
.foot-col a:hover{color:var(--aurora)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}

/* ---------- back to top ---------- */
.back-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;z-index:70;
  display:grid;place-items:center;border-radius:999px;color:var(--title);
  background:rgba(11,18,41,.85);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:all .28s ease;
}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-top:hover{border-color:rgba(35,213,196,.5);box-shadow:0 0 22px -6px rgba(35,213,196,.7)}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .hero-grid{gap:32px}
}
@media (max-width:1023px){
  .dock-nav,.dock-actions .dock-cta{display:none}
  .menu-btn{display:grid}
  .brand{margin-right:auto}
  main{padding-top:150px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media img{aspect-ratio:16/10}
  .sp-big{grid-column:span 12;grid-row:auto}
  .sp-small{grid-column:span 12}
  .sp-wide{grid-column:span 12}
  .gallery{grid-template-columns:repeat(4,1fr);grid-auto-rows:150px}
  .g-a,.g-b,.g-c,.g-d,.g-e,.g-f,.g-g,.g-h{grid-column:span 2;grid-row:span 1}
  .g-a{grid-row:span 2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .ev-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;gap:30px;padding:34px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:76px 0}
}
@media (max-width:767px){
  .countdown{flex-direction:column;align-items:flex-start;gap:10px;border-radius:20px;padding:12px 14px}
  .cd-text{white-space:normal;font-size:12px;line-height:1.6}
  .cd-units{width:100%;justify-content:space-between}
  .countdown.mini{flex-direction:row;align-items:center;justify-content:flex-end}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:132px}
  .g-a,.g-b,.g-c,.g-d,.g-e,.g-f,.g-g,.g-h{grid-column:span 2;grid-row:span 1}
  .news-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px}
  .hero-stats{gap:22px}
  .faq-a p{padding-left:22px}
  .faq-item.open .faq-title::before{display:none}
}
@media (max-width:519px){
  .container{padding:0 16px}
  main{padding-top:156px}
  .brand-name{font-size:13.5px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle}
  .brand-name em{display:none}
  .btn{height:46px;padding:0 20px;font-size:14px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .gallery{grid-template-columns:1fr;grid-auto-rows:190px}
  .g-a,.g-b,.g-c,.g-d,.g-e,.g-f,.g-g,.g-h{grid-column:span 1}
  .foot-grid{grid-template-columns:1fr;gap:26px;padding:46px 0 30px}
  .cta-panel{padding:24px}
  .sp-card{padding:22px}
  .news-card{padding:22px}
}

/* roulang page: category1 */
:root{
    --bg:#070B1C;
    --bg-2:#0B1229;
    --star:#6C5CE7;
    --aurora:#23D5C4;
    --gold:#F5C86B;
    --text:#F2F5FF;
    --body:#C7D0E4;
    --muted:#8A94B0;
    --line:rgba(255,255,255,.08);
    --glass:rgba(255,255,255,.06);
    --glass-2:rgba(255,255,255,.05);
    --glass-bd:rgba(255,255,255,.12);
    --r-card:20px;
    --r-img:16px;
    --r-input:14px;
    --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
    --shadow-dock:0 22px 48px -28px rgba(0,0,0,.9);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    padding:0;
    min-height:100%;
    background-color:var(--bg);
    background-image:
      radial-gradient(900px 620px at 78% -6%, rgba(108,92,231,.18), transparent 62%),
      radial-gradient(760px 560px at 6% 22%, rgba(35,213,196,.14), transparent 66%),
      linear-gradient(180deg,#070B1C 0%,#0B1229 58%,#070B1C 100%);
    background-attachment:fixed;
    color:var(--body);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  a:hover{color:var(--aurora)}
  button{font-family:inherit}
  h1,h2,h3,h4{color:var(--text);margin:0;letter-spacing:.01em;line-height:1.25;font-weight:700}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  input,textarea{font-family:inherit}
  ::selection{background:rgba(35,213,196,.3);color:#fff}
  :focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:6px}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

  /* ============ 浮动 Dock ============ */
  .dock{
    position:fixed;
    top:16px;
    left:50%;
    transform:translateX(-50%);
    width:min(1160px,92vw);
    height:64px;
    z-index:90;
    display:flex;
    align-items:center;
    gap:16px;
    padding:0 14px 0 18px;
    border-radius:999px;
    background:rgba(11,18,41,.66);
    border:1px solid var(--glass-bd);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    box-shadow:var(--shadow-dock), inset 0 1px 0 rgba(255,255,255,.06);
    transition:height .28s ease, background .28s ease, backdrop-filter .28s ease;
  }
  .dock.shrink{
    height:52px;
    background:rgba(7,11,28,.88);
    backdrop-filter:blur(22px);
    -webkit-backdrop-filter:blur(22px);
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:32px;height:32px;border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--aurora),var(--star));
    box-shadow:0 0 0 1px rgba(35,213,196,.35), 0 0 22px -6px rgba(35,213,196,.6);
    flex-shrink:0;
  }
  .brand-name{
    font-size:15px;font-weight:700;color:var(--text);
    white-space:nowrap;letter-spacing:.01em;
  }
  .brand-name em{
    font-style:normal;font-size:11px;font-weight:500;color:var(--muted);
    margin-left:6px;padding:2px 7px;border-radius:999px;
    border:1px solid var(--glass-bd);background:var(--glass);
  }
  .dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
  .dock-nav a{
    position:relative;
    padding:8px 12px;
    font-size:14px;
    color:var(--body);
    border-radius:999px;
    white-space:nowrap;
    transition:color .2s ease, background .2s ease;
  }
  .dock-nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
  .dock-nav a.active{color:var(--aurora)}
  .dock-nav a.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
    border-radius:2px;background:var(--aurora);
    box-shadow:0 0 12px rgba(35,213,196,.8);
  }
  .dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
  .icon-btn{
    width:40px;height:40px;border-radius:999px;
    display:flex;align-items:center;justify-content:center;
    color:var(--body);background:var(--glass);
    border:1px solid var(--glass-bd);cursor:pointer;
    transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
  }
  .icon-btn:hover{color:var(--aurora);border-color:rgba(35,213,196,.4);background:rgba(35,213,196,.08)}
  .icon-btn:active{transform:scale(.96)}
  .menu-btn{display:none;width:40px;height:40px;border-radius:999px;align-items:center;justify-content:center;color:var(--body);background:var(--glass);border:1px solid var(--glass-bd);cursor:pointer}
  .menu-btn:hover{color:var(--aurora)}

  /* ============ 按钮体系 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:999px;
    font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
    white-space:nowrap;
  }
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn-primary{
    color:#05122A;
    background:linear-gradient(120deg,var(--aurora),#5FE3D4 55%,var(--aurora));
    box-shadow:0 0 0 1px rgba(35,213,196,.35), 0 0 28px -6px rgba(35,213,196,.55);
  }
  .btn-primary:hover{
    color:#05122A;
    filter:brightness(1.08);
    box-shadow:0 0 0 1px rgba(35,213,196,.5), 0 0 40px -4px rgba(35,213,196,.75);
  }
  .btn-primary:active{transform:scale(.98)}
  .btn-ghost{
    color:var(--text);background:var(--glass);
    border-color:var(--glass-bd);
  }
  .btn-ghost:hover{color:var(--text);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24)}
  .btn-ghost:active{transform:scale(.98)}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--aurora);font-size:14px;font-weight:600;
    transition:gap .2s ease,color .2s ease;
  }
  .btn-text:hover{gap:10px;color:#5FE3D4}

  /* ============ 面包屑 ============ */
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);
  }
  .crumbs li{display:flex;align-items:center;gap:8px}
  .crumbs li+li::before{content:"/";color:rgba(255,255,255,.22)}
  .crumbs a:hover{color:var(--aurora)}
  .crumbs .now{color:var(--text)}

  /* ============ 分类页 Hero ============ */
  .page-hero{padding-top:130px;padding-bottom:8px}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:end}
  .hero-h1{
    font-size:clamp(28px,3.6vw,44px);
    line-height:1.18;margin:16px 0 14px;
  }
  .hero-h1 span{
    background:linear-gradient(100deg,var(--aurora),var(--star) 90%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-sub{color:var(--body);font-size:16px;max-width:56ch}
  .chips{display:flex;flex-wrap:wrap;gap:10px}
  .chip{
    display:inline-flex;align-items:center;height:36px;padding:0 16px;
    border-radius:999px;font-size:13px;color:var(--body);
    background:var(--glass);border:1px solid var(--glass-bd);
    transition:color .2s ease,border-color .2s ease,background .2s ease;
    cursor:pointer;
  }
  .chip:hover{color:var(--text);border-color:rgba(255,255,255,.24)}
  .chip.on{
    color:var(--aurora);border-color:rgba(35,213,196,.45);
    background:rgba(35,213,196,.1);
    box-shadow:0 0 0 1px rgba(35,213,196,.25), 0 0 22px -8px rgba(35,213,196,.6);
  }
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:26px;margin-top:26px;
    padding-top:20px;border-top:1px solid var(--line);
  }
  .hero-stats div strong{
    display:block;font-size:22px;color:var(--text);font-weight:700;
  }
  .hero-stats div span{font-size:13px;color:var(--muted)}

  /* ============ 通用区块 ============ */
  .section{padding:70px 0}
  .section-tight{padding:52px 0}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
  .sec-head h2{font-size:clamp(22px,2.6vw,32px)}
  .sec-head p{font-size:14px;color:var(--muted);margin-top:8px;max-width:62ch}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--aurora);
  }
  .eyebrow::before{content:"";width:18px;height:1px;background:var(--aurora);opacity:.7}

  /* ============ 横向动态卡片 ============ */
  .news-item{
    display:grid;
    grid-template-columns:1fr;
    gap:0;
    border-radius:var(--r-card);
    overflow:hidden;
    background:var(--glass-2);
    border:1px solid var(--glass-bd);
    box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
    transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  }
  .news-item:hover{
    transform:translateY(-4px);
    border-color:rgba(255,255,255,.2);
    box-shadow:0 28px 48px -26px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.08);
  }
  .news-thumb{position:relative;overflow:hidden;min-height:180px;aspect-ratio:16/10}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
  .news-item:hover .news-thumb img{transform:scale(1.04)}
  .news-thumb::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(7,11,28,.5),rgba(7,11,28,.05));
  }
  .news-thumb .thumb-tag{
    position:absolute;left:14px;bottom:14px;z-index:2;
    font-size:12px;color:#05122A;font-weight:700;
    background:var(--gold);padding:4px 12px;border-radius:999px;
  }
  .news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px}
  .news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:3px 11px;border-radius:999px;font-size:12px;
    color:var(--aurora);background:rgba(35,213,196,.1);
    border:1px solid rgba(35,213,196,.28);
  }
  .badge-violet{color:#B9AFFF;background:rgba(108,92,231,.14);border-color:rgba(108,92,231,.32)}
  .badge-gold{color:var(--gold);background:rgba(245,200,107,.12);border-color:rgba(245,200,107,.3)}
  .news-body h3{font-size:19px;line-height:1.4}
  .news-body p{font-size:14.5px;color:var(--body);line-height:1.8}
  .news-more{margin-top:auto;padding-top:6px}

  /* ============ 侧栏 ============ */
  .side-card{
    border-radius:var(--r-card);
    background:var(--glass-2);
    border:1px solid var(--glass-bd);
    padding:22px;
    box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.06);
  }
  .side-card+.side-card{margin-top:20px}
  .side-card h3{font-size:16px;margin-bottom:12px}
  .side-card p{font-size:14px;color:var(--body);line-height:1.85}
  .side-list li+li{margin-top:10px}
  .side-list a{
    display:flex;align-items:center;gap:8px;
    font-size:14px;color:var(--body);
    padding:9px 12px;border-radius:12px;
    border:1px solid transparent;
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .side-list a:hover{color:var(--aurora);background:rgba(255,255,255,.05);border-color:var(--glass-bd)}
  .side-list a::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--aurora);opacity:.7;flex-shrink:0}
  .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
  .tag-cloud a{
    font-size:12.5px;color:var(--body);padding:5px 12px;border-radius:999px;
    background:var(--glass);border:1px solid var(--glass-bd);
    transition:color .2s ease,border-color .2s ease,background .2s ease;
  }
  .tag-cloud a:hover{color:var(--aurora);border-color:rgba(35,213,196,.4);background:rgba(35,213,196,.08)}

  /* ============ 数据条 ============ */
  .data-band{
    border-radius:var(--r-card);
    background:linear-gradient(120deg,rgba(108,92,231,.16),rgba(35,213,196,.1));
    border:1px solid var(--glass-bd);
    padding:26px 24px;
    display:grid;grid-template-columns:1fr;gap:20px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  }
  .data-band div strong{display:block;font-size:clamp(24px,3vw,34px);color:var(--text)}
  .data-band div span{font-size:13px;color:var(--muted)}
  .data-band div em{font-style:normal;color:var(--gold)}

  /* ============ FAQ 手风琴 ============ */
  .acc-item{
    border-radius:16px;
    background:var(--glass-2);
    border:1px solid var(--glass-bd);
    overflow:hidden;
    transition:border-color .22s ease,background .22s ease;
  }
  .acc-item+.acc-item{margin-top:12px}
  .acc-item.open{border-color:rgba(35,213,196,.35);background:rgba(255,255,255,.07)}
  .acc-head{
    width:100%;display:flex;align-items:center;gap:14px;
    background:transparent;border:0;cursor:pointer;
    padding:18px 20px;text-align:left;
    color:var(--text);font-size:16px;font-weight:600;
  }
  .acc-head .idx{
    font-size:13px;color:var(--gold);font-weight:700;flex-shrink:0;
    font-variant-numeric:tabular-nums;
  }
  .acc-head .txt{flex:1;position:relative;padding-left:0}
  .acc-item.open .acc-head .txt{color:var(--aurora)}
  .acc-item.open .acc-head .txt::before{
    content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
    width:2px;height:18px;border-radius:2px;background:var(--aurora);
    box-shadow:0 0 10px rgba(35,213,196,.85);
  }
  .acc-head .caret{
    flex-shrink:0;color:var(--muted);transition:transform .25s ease,color .25s ease;
  }
  .acc-item.open .acc-head .caret{transform:rotate(180deg);color:var(--aurora)}
  .acc-body{
    max-height:0;overflow:hidden;
    transition:max-height .3s ease,opacity .18s ease;
    opacity:0;
  }
  .acc-item.open .acc-body{max-height:320px;opacity:1}
  .acc-body p{padding:0 20px 20px 52px;font-size:14.5px;color:var(--body)}

  /* ============ CTA 条 ============ */
  .cta-band{
    border-radius:var(--r-card);
    background:linear-gradient(110deg,rgba(108,92,231,.22),rgba(35,213,196,.14));
    border:1px solid rgba(255,255,255,.14);
    padding:26px 28px;
    display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08), 0 24px 48px -30px rgba(0,0,0,.9);
  }
  .cta-band h2{font-size:clamp(20px,2.2vw,26px)}
  .cta-band p{font-size:14px;color:var(--body);margin-top:6px;max-width:60ch}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:80px;
    border-top:1px solid var(--line);
    background:linear-gradient(180deg,rgba(11,18,41,.6),rgba(7,11,28,.95));
    padding:56px 0 28px;
  }
  .foot-grid{display:grid;grid-template-columns:1fr;gap:36px}
  .foot-brand p{font-size:14px;color:var(--muted);margin-top:14px;max-width:38ch;line-height:1.85}
  .foot-social{display:flex;gap:10px;margin-top:18px}
  .foot-social a{
    width:38px;height:38px;border-radius:999px;
    display:flex;align-items:center;justify-content:center;
    color:var(--body);background:var(--glass);border:1px solid var(--glass-bd);
    transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
  }
  .foot-social a:hover{color:var(--aurora);border-color:rgba(35,213,196,.4);background:rgba(35,213,196,.1);transform:translateY(-2px)}
  .foot-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
  .foot-col li+li{margin-top:10px}
  .foot-col a,.foot-col span{font-size:13.5px;color:var(--muted);transition:color .2s ease}
  .foot-col a:hover{color:var(--aurora)}
  .foot-bottom{
    margin-top:42px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:var(--muted);
  }

  /* ============ 返回顶部 ============ */
  .to-top{
    position:fixed;right:20px;bottom:26px;z-index:80;
    width:46px;height:46px;border-radius:999px;
    display:flex;align-items:center;justify-content:center;
    color:var(--text);background:rgba(11,18,41,.85);
    border:1px solid var(--glass-bd);backdrop-filter:blur(14px);
    cursor:pointer;opacity:0;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease,color .2s ease;
  }
  .to-top.show{opacity:1;pointer-events:auto}
  .to-top:hover{color:var(--aurora);transform:translateY(-3px)}

  /* ============ 响应式 ============ */
  @media (min-width:768px){
    .data-band{grid-template-columns:repeat(3,1fr);padding:30px 32px}
    .news-item{grid-template-columns:40% 1fr}
    .news-thumb{height:100%;min-height:210px;aspect-ratio:auto}
    .foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}
    .hero-grid{grid-template-columns:1.5fr 1fr}
  }
  @media (min-width:1024px){
    .section{padding:96px 0}
    .section-tight{padding:64px 0}
  }
  @media (max-width:1023px){
    .dock-nav{display:none}
    .menu-btn{display:flex}
    .dock.open .dock-nav{
      display:flex;flex-direction:column;align-items:flex-start;gap:2px;
      position:absolute;left:0;right:0;top:calc(100% + 10px);
      padding:12px;border-radius:22px;
      background:rgba(9,14,32,.96);
      border:1px solid var(--glass-bd);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-dock);
      margin-left:0;
    }
    .dock.open .dock-nav a{width:100%;padding:11px 14px;border-radius:14px}
    .dock.open .dock-nav a.active{background:rgba(35,213,196,.1)}
    .dock.open .dock-nav a.active::after{display:none}
  }
  @media (max-width:640px){
    .dock{height:58px;gap:10px;padding:0 10px 0 14px}
    .brand-name{font-size:13.5px}
    .brand-name em{display:none}
    .dock-cta{display:none}
    .page-hero{padding-top:112px}
    .news-body{padding:18px 18px 20px}
    .acc-head{padding:16px;font-size:15px}
    .acc-body p{padding:0 16px 18px 16px}
    .cta-band{padding:22px 20px}
    .foot-bottom{flex-direction:column;align-items:flex-start}
  }

/* roulang page: article */
:root{
    --bg:#070B1C;
    --bg-2:#0B1229;
    --star:#6C5CE7;
    --aurora:#23D5C4;
    --gold:#F5C86B;
    --title:#F2F5FF;
    --text:#C7D0E4;
    --muted:#8A94B0;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.12);
    --glass:rgba(255,255,255,.06);
    --glass-strong:rgba(255,255,255,.08);
    --radius-card:20px;
    --radius-img:16px;
    --radius-input:14px;
    --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
    --inset:inset 0 1px 0 rgba(255,255,255,.06);
    --glow-aurora:0 0 0 1px rgba(35,213,196,.35), 0 0 28px -6px rgba(35,213,196,.55);
    --container:1200px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background-color:var(--bg);
    background-image:
      radial-gradient(760px 520px at 12% -6%, rgba(108,92,231,.18), transparent 62%),
      radial-gradient(680px 460px at 92% 8%, rgba(35,213,196,.14), transparent 60%),
      linear-gradient(180deg,#070B1C 0%, #0B1229 46%, #070B1C 100%);
    background-attachment:fixed;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button,input{font:inherit;color:inherit;}
  button{cursor:pointer;background:none;border:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;color:var(--title);letter-spacing:.01em;}
  p{margin:0;}
  .num{font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

  /* ================= Dock ================= */
  .dock{
    position:fixed;top:16px;left:50%;transform:translateX(-50%);
    width:min(1160px,92vw);height:64px;z-index:120;
    display:flex;align-items:center;gap:18px;
    padding:0 14px 0 18px;border-radius:999px;
    background:rgba(11,18,41,.72);
    border:1px solid var(--line-strong);
    box-shadow:var(--shadow-card), var(--inset), 0 0 0 1px rgba(108,92,231,.10);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    transition:height .28s ease, background .28s ease, box-shadow .28s ease;
  }
  .dock.shrunk{height:52px;background:rgba(9,14,33,.86);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{
    width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--aurora),var(--star));
    box-shadow:0 0 20px -4px rgba(35,213,196,.55);
  }
  .brand-name{display:flex;flex-direction:column;font-size:15px;font-weight:700;color:var(--title);line-height:1.15;}
  .brand-name em{font-style:normal;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.14em;}
  .dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .dock-nav a{
    position:relative;padding:8px 12px;border-radius:999px;
    font-size:14px;color:var(--text);white-space:nowrap;
    transition:color .2s ease, background .2s ease;
  }
  .dock-nav a:hover{color:var(--title);background:rgba(255,255,255,.05);}
  .dock-nav a.active{color:var(--aurora);}
  .dock-nav a.active::after{
    content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
    width:18px;height:2px;border-radius:2px;background:var(--aurora);
    box-shadow:0 0 10px rgba(35,213,196,.8);
  }
  .dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .icon-btn{
    width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
    color:var(--text);background:var(--glass);border:1px solid var(--line-strong);
    transition:color .2s ease, border-color .2s ease, transform .2s ease;
  }
  .icon-btn:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);}
  .icon-btn:active{transform:scale(.96);}
  .menu-btn{
    display:none;width:40px;height:40px;border-radius:999px;place-items:center;
    color:var(--text);background:var(--glass);border:1px solid var(--line-strong);
  }
  .menu-btn:hover{color:var(--aurora);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:999px;
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  }
  .btn-primary{
    color:#04121F;
    background:linear-gradient(135deg,var(--aurora) 0%, #4FE3C6 55%, var(--star) 130%);
    box-shadow:var(--glow-aurora);
  }
  .btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(35,213,196,.5), 0 0 40px -6px rgba(35,213,196,.75);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{color:var(--title);background:var(--glass);border:1px solid var(--line-strong);}
  .btn-ghost:hover{border-color:rgba(35,213,196,.5);color:var(--aurora);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn:focus-visible,.icon-btn:focus-visible,.menu-btn:focus-visible,a:focus-visible{
    outline:2px solid var(--aurora);outline-offset:2px;
  }

  /* ================= 主体 ================= */
  .page-main{padding-top:132px;padding-bottom:96px;}

  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);margin-bottom:28px;
  }
  .breadcrumb li{display:flex;align-items:center;gap:8px;}
  .breadcrumb li:not(:last-child)::after{content:"/";color:rgba(255,255,255,.2);}
  .breadcrumb a{color:var(--muted);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--aurora);}
  .breadcrumb li[aria-current]{color:rgba(199,208,228,.55);max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  .article-head{max-width:820px;}
  .badge{
    display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--aurora);
    background:rgba(35,213,196,.10);border:1px solid rgba(35,213,196,.35);
    box-shadow:0 0 22px -10px rgba(35,213,196,.9);
  }
  .badge .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(245,200,107,.9);}
  .article-title{
    margin-top:18px;
    font-size:clamp(28px,3.6vw,44px);line-height:1.24;font-weight:700;color:var(--title);
  }
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
    margin-top:20px;font-size:13.5px;color:var(--muted);
  }
  .meta-row span{display:inline-flex;align-items:center;gap:7px;}
  .meta-row svg{opacity:.7;}
  .divider-glow{
    height:1px;margin:32px 0 0;
    background:linear-gradient(90deg, rgba(35,213,196,.55), rgba(108,92,231,.35) 40%, rgba(255,255,255,.04));
    box-shadow:0 0 18px -6px rgba(35,213,196,.7);
  }

  .article-layout{
    display:grid;grid-template-columns:minmax(0,760px) 300px;
    gap:56px;justify-content:center;align-items:start;margin-top:44px;
  }

  .article-content{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word;}
  .article-content p{margin:0 0 18px;}
  .article-content h2{
    position:relative;margin:46px 0 18px;padding-left:16px;
    font-size:clamp(22px,2.3vw,28px);line-height:1.35;font-weight:700;color:var(--title);
  }
  .article-content h2::before{
    content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
    background:linear-gradient(180deg,var(--aurora),var(--star));
    box-shadow:0 0 14px rgba(35,213,196,.55);
  }
  .article-content h3{
    display:flex;align-items:center;margin:32px 0 12px;
    font-size:20px;font-weight:600;color:var(--title);
  }
  .article-content h3::before{
    content:"";width:7px;height:7px;border-radius:50%;margin-right:10px;flex:0 0 auto;
    background:var(--gold);box-shadow:0 0 10px rgba(245,200,107,.7);
  }
  .article-content blockquote{
    margin:24px 0;padding:18px 22px;border-radius:16px;
    background:rgba(255,255,255,.05);border:1px solid var(--line);
    border-left:3px solid var(--aurora);
    color:rgba(199,208,228,.92);font-size:16px;
  }
  .article-content ul{margin:0 0 18px;}
  .article-content ul li{position:relative;padding-left:22px;margin-bottom:10px;}
  .article-content ul li::before{
    content:"";position:absolute;left:3px;top:.68em;width:6px;height:6px;border-radius:2px;
    transform:rotate(45deg);background:var(--aurora);box-shadow:0 0 8px rgba(35,213,196,.7);
  }
  .article-content ol{counter-reset:item;margin:0 0 18px;}
  .article-content ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:item;}
  .article-content ol li::before{
    content:counter(item,decimal-leading-zero);position:absolute;left:0;top:.18em;
    font-size:12.5px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;
  }
  .article-content img{border-radius:var(--radius-img);margin:24px auto;box-shadow:0 20px 40px -26px rgba(0,0,0,.9);}
  .article-content figure{margin:24px 0;}
  .article-content figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--muted);}
  .article-content a{
    color:var(--aurora);
    text-decoration:underline dashed rgba(35,213,196,.6);
    text-underline-offset:4px;
    transition:text-decoration-style .2s ease, text-shadow .2s ease;
  }
  .article-content a:hover{text-decoration-style:solid;text-shadow:0 0 12px rgba(35,213,196,.55);}
  .article-content table{width:100%;margin:24px 0;border-collapse:collapse;font-size:15px;border-radius:12px;overflow:hidden;}
  .article-content th,.article-content td{padding:11px 14px;border:1px solid var(--line);text-align:left;}
  .article-content th{background:rgba(255,255,255,.05);color:var(--title);font-weight:600;}
  .article-content tbody tr:nth-child(even) td{background:rgba(255,255,255,.028);}
  .article-content hr{border:0;height:1px;background:var(--line);margin:34px 0;}
  .article-content strong{color:var(--title);}

  /* ================= 侧栏 ================= */
  .article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px;}
  .side-card{
    padding:22px;border-radius:var(--radius-card);
    background:var(--glass);border:1px solid var(--line-strong);
    box-shadow:var(--shadow-card), var(--inset);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  }
  .side-card h4{font-size:15px;font-weight:700;color:var(--title);display:flex;align-items:center;gap:8px;}
  .side-card h4::before{
    content:"";width:6px;height:6px;border-radius:50%;background:var(--aurora);
    box-shadow:0 0 10px rgba(35,213,196,.8);
  }
  .toc{margin-top:14px;display:flex;flex-direction:column;gap:2px;}
  .toc a{
    display:block;padding:8px 10px;border-radius:10px;font-size:13.5px;color:var(--muted);
    line-height:1.5;transition:color .2s ease, background .2s ease, padding-left .2s ease;
  }
  .toc a:hover{color:var(--title);background:rgba(255,255,255,.05);}
  .toc a.on{color:var(--aurora);background:rgba(35,213,196,.08);padding-left:14px;}
  .toc-sub{padding-left:12px;font-size:13px;}
  .toc-empty{margin-top:12px;font-size:13.5px;color:var(--muted);}
  .side-info{margin-top:14px;display:flex;flex-direction:column;gap:12px;font-size:13.5px;}
  .side-info div{display:flex;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px dashed var(--line);}
  .side-info div:last-child{border-bottom:0;padding-bottom:0;}
  .side-info dt{color:var(--muted);}
  .side-info dd{margin:0;color:var(--text);text-align:right;}
  .side-cta{margin-top:16px;display:block;text-align:center;width:100%;}
  .toc-toggle{display:none;}

  /* ================= 文末 ================= */
  .article-foot{margin-top:56px;max-width:760px;}
  .block-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;}
  .block-title h2{font-size:22px;font-weight:700;}
  .block-title a{font-size:14px;color:var(--aurora);display:inline-flex;align-items:center;gap:6px;}
  .block-title a:hover{text-shadow:0 0 12px rgba(35,213,196,.55);}

  .tag-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;}
  .chip{
    display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
    font-size:13px;color:var(--text);background:var(--glass);border:1px solid var(--line-strong);
    transition:color .2s ease, border-color .2s ease, transform .2s ease;
  }
  .chip:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);transform:translateY(-2px);}
  .chip.gold{color:var(--gold);border-color:rgba(245,200,107,.35);background:rgba(245,200,107,.08);}

  .related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .related-card{
    display:flex;flex-direction:column;border-radius:var(--radius-card);overflow:hidden;
    background:var(--glass);border:1px solid var(--line-strong);
    box-shadow:var(--shadow-card), var(--inset);backdrop-filter:blur(14px);
    transition:transform .25s ease, border-color .25s ease;
  }
  .related-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);}
  .related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0E1633;}
  .related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .related-card:hover .related-thumb img{transform:scale(1.04);}
  .related-thumb::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 40%, rgba(7,11,28,.85));
  }
  .related-body{padding:18px 20px 22px;}
  .related-body h3{font-size:16px;line-height:1.5;font-weight:600;color:var(--title);}
  .related-body p{margin-top:10px;font-size:13.5px;line-height:1.7;color:var(--muted);}
  .related-meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}
  .related-meta .arrow{color:var(--aurora);display:inline-flex;transition:transform .25s ease;}
  .related-card:hover .related-meta .arrow{transform:translateX(4px);}

  .post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:44px;}
  .post-nav a{
    padding:20px 22px;border-radius:16px;background:var(--glass);
    border:1px solid var(--line-strong);transition:border-color .25s ease, transform .25s ease;
  }
  .post-nav a:hover{border-color:rgba(35,213,196,.45);transform:translateY(-3px);}
  .post-nav span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:8px;}
  .post-nav strong{font-size:15px;font-weight:600;color:var(--title);line-height:1.5;}
  .back-entry{margin-top:24px;}
  .back-entry a{font-size:14px;color:var(--aurora);display:inline-flex;align-items:center;gap:8px;}
  .back-entry a:hover{text-shadow:0 0 12px rgba(35,213,196,.55);}

  .cta-band{
    margin-top:64px;padding:30px 34px;border-radius:var(--radius-card);
    display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
    background:linear-gradient(120deg, rgba(108,92,231,.20), rgba(35,213,196,.12));
    border:1px solid var(--line-strong);
    box-shadow:var(--shadow-card), var(--inset);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  }
  .cta-band h2{font-size:21px;font-weight:700;}
  .cta-band p{margin-top:8px;font-size:14.5px;color:var(--text);max-width:560px;}

  .empty-state{
    padding:52px 28px;border-radius:var(--radius-card);text-align:center;
    background:var(--glass);border:1px solid var(--line-strong);
    box-shadow:var(--shadow-card), var(--inset);
  }
  .empty-state .ring{
    width:56px;height:56px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;
    background:rgba(35,213,196,.10);border:1px solid rgba(35,213,196,.35);
    box-shadow:0 0 26px -8px rgba(35,213,196,.8);
  }
  .empty-state h2{font-size:19px;}
  .empty-state p{margin-top:10px;font-size:14.5px;color:var(--muted);}
  .empty-state .btn{margin-top:22px;}

  /* ================= 页脚 ================= */
  .site-footer{
    margin-top:96px;padding:64px 0 28px;
    background:rgba(9,14,33,.62);
    border-top:1px solid var(--line);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  }
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
  .foot-brand>p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--muted);max-width:340px;}
  .foot-social{display:flex;gap:10px;margin-top:20px;}
  .foot-social a{
    width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
    color:var(--text);background:var(--glass);border:1px solid var(--line-strong);
    transition:color .2s ease, border-color .2s ease, transform .2s ease;
  }
  .foot-social a:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);transform:translateY(-3px);}
  .foot-col h4{font-size:14px;font-weight:700;color:var(--title);letter-spacing:.06em;}
  .foot-col ul{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
  .foot-col a,.foot-col span{font-size:13.5px;color:var(--muted);transition:color .2s ease;}
  .foot-col a:hover{color:var(--aurora);}
  .foot-bottom{
    margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:13px;color:rgba(138,148,176,.85);
  }

  .to-top{
    position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:999px;z-index:110;
    display:grid;place-items:center;color:var(--title);
    background:rgba(11,18,41,.8);border:1px solid var(--line-strong);
    backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
    opacity:0;pointer-events:none;transform:translateY(10px);
    transition:opacity .25s ease, transform .25s ease, border-color .25s ease;
  }
  .to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
  .to-top:hover{border-color:rgba(35,213,196,.5);color:var(--aurora);}

  /* ================= 响应式 ================= */
  @media (max-width:1180px){
    .dock-nav a{padding:8px 9px;font-size:13.5px;}
  }
  @media (max-width:1024px){
    .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;max-width:820px;margin-left:auto;margin-right:auto;}
    .article-side{position:static;}
    .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .toc-toggle{
      display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;
      font-size:13.5px;color:var(--title);background:var(--glass);border:1px solid var(--line-strong);
    }
    .side-card.collapsed .toc,.side-card.collapsed .toc-empty{display:none;}
  }
  @media (max-width:900px){
    .dock{height:58px;padding:0 12px 0 14px;}
    .dock-nav{
      position:absolute;top:calc(100% + 10px);left:0;right:0;
      flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:12px;
      border-radius:22px;background:rgba(9,14,33,.96);
      border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
      backdrop-filter:blur(18px);display:none;
    }
    .dock.open .dock-nav{display:flex;}
    .dock-nav a{padding:11px 14px;font-size:14.5px;}
    .dock-nav a.active::after{display:none;}
    .dock-nav a.active{background:rgba(35,213,196,.10);}
    .menu-btn{display:grid;}
    .dock-cta{display:none;}
    .page-main{padding-top:118px;}
  }
  @media (max-width:768px){
    .page-main{padding-top:110px;padding-bottom:72px;}
    .article-content{font-size:16.5px;line-height:1.88;}
    .related-grid{grid-template-columns:minmax(0,1fr);}
    .post-nav{grid-template-columns:minmax(0,1fr);}
    .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start;}
    .foot-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
    .breadcrumb li[aria-current]{max-width:100%;white-space:normal;}
    .article-title{font-size:clamp(24px,6vw,32px);}
    .site-footer{margin-top:72px;padding-top:52px;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .brand-name{font-size:14px;}
    .brand-name em{font-size:10px;}
    .article-head{max-width:100%;}
    .meta-row{gap:8px 14px;font-size:13px;}
    .side-card{padding:18px;}
    .to-top{right:14px;bottom:16px;}
    .foot-bottom{flex-direction:column;align-items:flex-start;}
  }

/* roulang page: category3 */
:root{
  --bg:#070B1C;
  --bg2:#0B1229;
  --star:#6C5CE7;
  --aurora:#23D5C4;
  --gold:#F5C86B;
  --text:#F2F5FF;
  --body:#C7D0E4;
  --muted:#8A94B0;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.12);
  --r-card:20px;
  --r-img:16px;
  --r-input:14px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.7);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--body);
  background:
    radial-gradient(900px 620px at 12% -6%, rgba(108,92,231,.18), transparent 62%),
    radial-gradient(820px 520px at 92% 6%, rgba(35,213,196,.14), transparent 62%),
    linear-gradient(180deg,#070B1C 0%, #0B1229 46%, #070B1C 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--aurora);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--text);margin:0;letter-spacing:.01em;line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--aurora);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1160px,92vw);height:64px;z-index:90;
  display:flex;align-items:center;gap:16px;padding:0 16px;
  border-radius:999px;
  background:rgba(11,18,41,.72);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 0 0 1px rgba(35,213,196,.14), 0 24px 48px -30px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.06);
  transition:height .3s ease,background .3s ease,box-shadow .3s ease;
}
.dock.shrink{height:52px;background:rgba(9,15,34,.88);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:999px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(140deg,#23D5C4,#6C5CE7);
  box-shadow:0 0 0 1px rgba(35,213,196,.4), 0 0 22px -6px rgba(35,213,196,.7);
}
.brand-name{font-size:15px;font-weight:700;color:var(--text);line-height:1.2;white-space:nowrap;}
.brand-name em{display:block;font-style:normal;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.06em;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;font-size:14.5px;color:var(--muted);padding:8px 11px;border-radius:999px;
  transition:color .25s ease,background .25s ease;
}
.dock-nav a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.dock-nav a.active{color:var(--aurora);}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--aurora);
  box-shadow:0 0 10px rgba(35,213,196,.9);
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
.dock-nav + .dock-actions{margin-left:8px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  color:var(--body);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:color .25s ease,background .25s ease,transform .25s ease;
}
.icon-btn:hover{color:var(--aurora);background:rgba(35,213,196,.1);}
.icon-btn:active{transform:scale(.96);}
.menu-btn{
  width:40px;height:40px;border-radius:999px;display:none;place-items:center;
  color:var(--text);background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  color:#04121F;
  background:linear-gradient(135deg,#23D5C4,#6C5CE7 92%);
  box-shadow:0 0 0 1px rgba(35,213,196,.35), 0 0 28px -6px rgba(35,213,196,.55);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(35,213,196,.5), 0 0 36px -4px rgba(35,213,196,.75);color:#04121F;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  color:var(--text);background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);background:rgba(35,213,196,.08);}
.btn-ghost:active{transform:scale(.98);}
.btn-link{color:var(--aurora);font-weight:600;display:inline-flex;align-items:center;gap:6px;padding:0;}
.btn-link:hover{gap:10px;}

/* ---------- 页面主体 ---------- */
main{padding-top:120px;padding-bottom:20px;}
.crumb-wrap{padding:6px 0 18px;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:rgba(255,255,255,.22);}
.crumb a:hover{color:var(--aurora);}
.crumb .current{color:rgba(199,208,228,.72);}

.hero-band{
  position:relative;overflow:hidden;border-radius:26px;
  border:1px solid var(--glass-line);
  padding:clamp(28px,4.4vw,54px);
  background-image:linear-gradient(120deg,rgba(7,11,28,.94) 0%,rgba(11,18,41,.78) 52%,rgba(7,11,28,.9) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow);
}
.hero-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle, rgba(35,213,196,.22), transparent 68%);pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--aurora);margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--aurora);box-shadow:0 0 8px rgba(35,213,196,.9);}
.hero-band h1{font-size:clamp(26px,3.4vw,42px);max-width:20ch;}
.hero-sub{margin-top:16px;max-width:62ch;font-size:16.5px;color:var(--body);}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--body);padding:7px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:color .22s ease,border-color .22s ease,transform .22s ease,background .22s ease;
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(245,200,107,.8);}
.chip:hover{color:var(--text);border-color:rgba(35,213,196,.45);background:rgba(35,213,196,.08);transform:translateY(-2px);}

.section{padding-top:clamp(56px,8vw,104px);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2{font-size:clamp(23px,2.7vw,34px);}
.section-head p{margin-top:10px;color:var(--muted);font-size:14.5px;max-width:64ch;}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:72px;grid-auto-flow:dense;gap:20px;}
.wall-item{
  position:relative;display:block;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--shadow);background:rgba(255,255,255,.04);
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.wall-item:hover img{transform:scale(1.03);}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 200px at 50% 120%, rgba(35,213,196,.22), transparent 70%);
  opacity:0;transition:opacity .35s ease;pointer-events:none;
}
.wall-item:hover::after{opacity:1;}
.wall-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:16px 18px 14px;font-size:14px;font-weight:600;color:var(--text);
  background:linear-gradient(180deg,rgba(7,11,28,0) 0%,rgba(7,11,28,.55) 45%,rgba(7,11,28,.92) 100%);
  opacity:0;transform:translateY(6px);
  transition:opacity .32s ease,transform .32s ease;
}
.wall-item:hover .wall-cap,.wall-item:focus-visible .wall-cap{opacity:1;transform:translateY(0);}
.wall-item .wall-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  font-size:11.5px;letter-spacing:.08em;padding:4px 10px;border-radius:999px;
  color:var(--text);background:rgba(7,11,28,.66);border:1px solid var(--glass-line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.s2{grid-column:span 2;}
.s3{grid-column:span 3;}
.s4{grid-column:span 4;}
.r2{grid-row:span 2;}
.r3{grid-row:span 3;}
.r4{grid-row:span 4;}
.r5{grid-row:span 5;}

.wall-data{
  grid-column:span 6;grid-row:span 2;
  display:grid;grid-template-columns:repeat(3,1fr);align-items:center;gap:20px;
  padding:24px 28px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.wall-data .stat{text-align:left;border-left:1px solid var(--line);padding-left:20px;}
.wall-data .stat:first-child{border-left:0;padding-left:0;}
.wall-data .num{font-size:clamp(24px,2.6vw,34px);font-weight:700;color:var(--gold);line-height:1.1;}
.wall-data .num small{font-size:13px;color:var(--muted);font-weight:500;margin-left:6px;}
.wall-data .lab{margin-top:6px;font-size:13.5px;color:var(--muted);}

/* ---------- 亮点解读卡 ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.spot-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .28s ease,border-color .28s ease;
}
.spot-card:hover{transform:translateY(-4px);border-color:rgba(35,213,196,.4);}
.spot-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line);}
.spot-body{padding:22px 22px 24px;}
.spot-body h3{font-size:19px;margin-bottom:10px;}
.spot-body p{font-size:14.5px;color:var(--body);}
.spot-body .tagline{
  display:inline-block;margin-top:16px;font-size:12.5px;color:var(--aurora);
  padding:4px 12px;border-radius:999px;border:1px solid rgba(35,213,196,.35);background:rgba(35,213,196,.08);
}

/* ---------- 浏览顺序列表 ---------- */
.order-panel{
  border-radius:24px;padding:clamp(24px,4vw,44px);
  background:rgba(255,255,255,.045);border:1px solid var(--glass-line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.order-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:26px;}
.order-item{
  display:flex;gap:16px;padding:20px;border-radius:16px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease;
}
.order-item:hover{border-color:rgba(35,213,196,.4);transform:translateY(-3px);}
.order-no{
  flex:0 0 auto;font-size:14px;font-weight:700;color:var(--gold);
  letter-spacing:.06em;
}
.order-item h3{font-size:16.5px;margin-bottom:6px;}
.order-item p{font-size:14px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  border-radius:16px;background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);
  margin-bottom:12px;overflow:hidden;transition:border-color .25s ease;
}
.faq-item.open{border-color:rgba(35,213,196,.42);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .idx{font-size:13px;color:var(--muted);letter-spacing:.08em;}
.faq-item.open .faq-q .idx,.faq-item.open .faq-q{color:var(--aurora);}
.faq-q .caret{
  margin-left:auto;flex:0 0 auto;color:var(--muted);
  transition:transform .28s ease,color .28s ease;
}
.faq-item.open .faq-q .caret{transform:rotate(180deg);color:var(--aurora);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 20px 54px;font-size:14.5px;color:var(--body);}
.faq-item.open .faq-a p{border-left:2px solid var(--aurora);margin-left:20px;padding-left:16px;box-shadow:-1px 0 0 rgba(35,213,196,.5);}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;
  border-radius:26px;padding:clamp(26px,4.4vw,52px);
  background:linear-gradient(120deg,rgba(108,92,231,.16),rgba(35,213,196,.1) 70%,rgba(255,255,255,.04));
  border:1px solid var(--glass-line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.07);
}
.cta-panel h2{font-size:clamp(23px,2.7vw,34px);}
.cta-panel .cta-copy{margin-top:16px;font-size:15.5px;color:var(--body);max-width:48ch;}
.cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}
.cta-points li{font-size:13.5px;color:var(--body);display:flex;align-items:center;gap:8px;}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aurora);box-shadow:0 0 8px rgba(35,213,196,.9);}
.form-card{
  border-radius:20px;padding:24px;
  background:rgba(7,11,28,.55);border:1px solid var(--glass-line);
}
.form-card label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.field{position:relative;margin-bottom:14px;}
.field input[type="tel"]{
  width:100%;height:50px;padding:0 16px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);
  color:var(--text);transition:border-color .22s ease,box-shadow .22s ease;
}
.field input[type="tel"]::placeholder{color:rgba(138,148,176,.85);}
.field input[type="tel"]:focus{
  outline:none;border-color:var(--aurora);
  box-shadow:0 0 0 3px rgba(35,213,196,.16),0 0 24px -8px rgba(35,213,196,.7);
}
.field.error input[type="tel"]{border-color:#FF6B81;box-shadow:0 0 0 3px rgba(255,107,129,.14);}
.field .err-msg{display:none;font-size:12.5px;color:#FF8DA0;margin-top:7px;}
.field.error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 16px;font-size:13px;color:var(--muted);}
.check-row input{margin-top:4px;accent-color:var(--aurora);width:15px;height:15px;flex:0 0 auto;}
.form-card .btn{width:100%;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--muted);}
.success-bar{
  display:none;align-items:center;gap:10px;margin-bottom:14px;
  padding:12px 14px;border-radius:14px;font-size:13.5px;color:#B8FFF4;
  background:rgba(35,213,196,.12);border:1px solid rgba(35,213,196,.4);
}
.success-bar.show{display:flex;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(64px,9vw,120px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,41,.55),rgba(7,11,28,.9));
  padding:clamp(44px,6vw,72px) 0 28px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{font-size:14px;color:var(--muted);max-width:36ch;}
.foot-social{display:flex;gap:10px;margin-top:18px;}
.foot-social a{
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  color:var(--body);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:color .25s ease,border-color .25s ease,transform .25s ease;
}
.foot-social a:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);transform:translateY(-2px);}
.foot-col h4{font-size:14px;letter-spacing:.04em;margin-bottom:14px;color:var(--text);}
.foot-col ul li{margin-bottom:10px;font-size:14px;color:var(--muted);}
.foot-col ul li a:hover{color:var(--aurora);}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);
}
.foot-bottom .tech{color:rgba(138,148,176,.8);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .dock-nav a{font-size:14px;padding:8px 9px;}
}
@media (max-width:1023px){
  main{padding-top:112px;}
  .menu-btn{display:grid;}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;padding:12px;
    border-radius:20px;background:rgba(9,15,34,.97);
    border:1px solid var(--glass-line);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    box-shadow:var(--shadow);
  }
  .dock-nav{display:none;}
  .dock-nav.open{display:flex;}
  .dock-nav a{padding:11px 14px;font-size:15px;}
  .dock-nav a.active::after{display:none;}
  .dock-nav a.active{background:rgba(35,213,196,.12);}
  .wall{grid-template-columns:repeat(4,1fr);grid-auto-rows:66px;}
  .s2{grid-column:span 2;}
  .s3{grid-column:span 2;}
  .s4{grid-column:span 4;}
  .wall-data{grid-column:span 4;grid-row:span 2;}
  .cards-3{grid-template-columns:repeat(2,1fr);}
  .order-list{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;gap:26px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .brand-name{font-size:14px;}
  .brand-name em{display:none;}
  .dock-cta{display:none;}
  .cards-3{grid-template-columns:1fr;}
  .wall-data{grid-template-columns:1fr;gap:16px;padding:22px;}
  .wall-data .stat{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px;}
  .wall-data .stat:first-child{border-top:0;padding-top:0;}
  .hero-band{border-radius:20px;}
}
@media (max-width:639px){
  main{padding-top:104px;}
  .wall{grid-template-columns:1fr;grid-auto-rows:auto;}
  .wall-item{grid-column:auto !important;grid-row:auto !important;aspect-ratio:16/10;}
  .wall-data{grid-column:auto !important;grid-row:auto !important;}
  .wall-cap{opacity:1;transform:none;}
  .faq-a p{padding-left:34px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .btn{width:100%;}
  .btn-sm,.dock .btn{width:auto;}
}

/* roulang page: category2 */
*,*::before,*::after{box-sizing:border-box}

  :root{
    --bg:#070B1C;
    --bg-2:#0B1229;
    --star:#6C5CE7;
    --aurora:#23D5C4;
    --gold:#F5C86B;
    --text:#F2F5FF;
    --body:#C7D0E4;
    --muted:#8A94B0;
    --line:rgba(255,255,255,.08);
    --glass:rgba(255,255,255,.06);
    --glass-strong:rgba(255,255,255,.09);
    --glass-line:rgba(255,255,255,.12);
    --inner-hi:inset 0 1px 0 rgba(255,255,255,.06);
    --r-card:20px;
    --r-img:16px;
    --r-input:14px;
    --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
    --container:1200px;
  }

  html{scroll-behavior:smooth}

  .site-body{
    margin:0;
    padding:0;
    background:#070B1C;
    color:var(--body);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
    position:relative;
    min-height:100vh;
  }

  .site-body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:0;
    pointer-events:none;
    background:
      radial-gradient(680px 460px at 10% 3%, rgba(108,92,231,.18), transparent 70%),
      radial-gradient(760px 520px at 92% 12%, rgba(35,213,196,.14), transparent 72%),
      radial-gradient(600px 420px at 50% 96%, rgba(108,92,231,.10), transparent 75%),
      linear-gradient(180deg,#070B1C 0%,#0B1229 52%,#070B1C 100%);
  }

  .page-wrap{position:relative;z-index:1}

  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%;height:auto}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  ::selection{background:rgba(35,213,196,.32);color:#fff}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 20px;
  }

  .tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

  /* ================= Dock 导航 ================= */
  .dock{
    position:fixed;
    top:16px;
    left:50%;
    transform:translateX(-50%);
    width:min(1160px,92vw);
    height:64px;
    z-index:60;
    display:flex;
    align-items:center;
    gap:16px;
    padding:0 14px 0 16px;
    border-radius:999px;
    background:rgba(11,18,41,.72);
    border:1px solid var(--glass-line);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    box-shadow:0 0 0 1px rgba(35,213,196,.16),0 22px 50px -30px rgba(0,0,0,.9);
    transition:height .28s ease,background .28s ease,box-shadow .28s ease;
  }
  .dock.scrolled{
    height:52px;
    background:rgba(9,15,34,.88);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    box-shadow:0 0 0 1px rgba(35,213,196,.22),0 18px 44px -28px rgba(0,0,0,.95);
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex:none;
    color:var(--text);
  }
  .brand-mark{
    width:32px;
    height:32px;
    flex:none;
    border-radius:11px;
    display:grid;
    place-items:center;
    background:linear-gradient(140deg,var(--aurora),var(--star));
    box-shadow:0 0 18px -4px rgba(35,213,196,.6);
  }
  .brand-name{
    display:flex;
    flex-direction:column;
    line-height:1.12;
    font-size:15px;
    font-weight:700;
    letter-spacing:.01em;
    white-space:nowrap;
  }
  .brand-name em{
    font-style:normal;
    font-size:11px;
    font-weight:500;
    letter-spacing:.14em;
    color:var(--muted);
  }

  .dock-nav{
    display:flex;
    align-items:center;
    gap:2px;
    margin:0 auto;
  }
  .dock-nav a{
    position:relative;
    display:inline-block;
    padding:9px 13px;
    border-radius:999px;
    font-size:14px;
    color:var(--body);
    white-space:nowrap;
    transition:color .2s ease,background .2s ease;
  }
  .dock-nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
  .dock-nav a.active{color:var(--aurora)}
  .dock-nav a.active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:2px;
    transform:translateX(-50%);
    width:22px;
    height:2px;
    border-radius:2px;
    background:var(--aurora);
    box-shadow:0 0 10px rgba(35,213,196,.85);
  }

  .dock-actions{display:flex;align-items:center;gap:8px;flex:none}

  .icon-btn{
    width:38px;
    height:38px;
    display:inline-grid;
    place-items:center;
    border-radius:999px;
    color:var(--body);
    background:rgba(255,255,255,.05);
    border:1px solid var(--glass-line);
    transition:.2s ease;
  }
  .icon-btn:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);background:rgba(255,255,255,.09)}

  .menu-btn{
    width:38px;
    height:38px;
    display:none;
    place-items:center;
    border-radius:999px;
    color:var(--body);
    background:rgba(255,255,255,.05);
    border:1px solid var(--glass-line);
    transition:.2s ease;
  }
  .menu-btn:hover{color:var(--aurora);border-color:rgba(35,213,196,.45)}

  /* ================= 按钮 ================= */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 26px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    letter-spacing:.01em;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  }
  .btn:focus-visible,
  .icon-btn:focus-visible,
  .menu-btn:focus-visible,
  .faq-q:focus-visible,
  a:focus-visible,
  input:focus-visible{
    outline:2px solid var(--aurora);
    outline-offset:2px;
  }
  .btn-sm{height:38px;padding:0 18px;font-size:14px}

  .btn-primary{
    color:#04121F;
    background:linear-gradient(120deg,var(--aurora) 0%,#5CE0D0 58%,var(--star) 100%);
    box-shadow:0 0 0 1px rgba(35,213,196,.35),0 0 28px -6px rgba(35,213,196,.55);
  }
  .btn-primary:hover{
    filter:brightness(1.08);
    box-shadow:0 0 0 1px rgba(35,213,196,.5),0 0 38px -6px rgba(35,213,196,.78);
  }
  .btn-primary:active{transform:scale(.98)}

  .btn-ghost{
    color:var(--text);
    background:var(--glass);
    border-color:var(--glass-line);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
  }
  .btn-ghost:hover{
    border-color:rgba(35,213,196,.45);
    background:rgba(255,255,255,.1);
    transform:translateY(-2px);
  }
  .btn-ghost:active{transform:scale(.98)}

  .btn-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--aurora);
    border-bottom:1px dashed rgba(35,213,196,.5);
    padding-bottom:2px;
    transition:.2s ease;
  }
  .btn-link:hover{border-bottom-style:solid;text-shadow:0 0 12px rgba(35,213,196,.6)}

  /* ================= 通用标题 / 板块 ================= */
  .section{padding:78px 0}
  .section-tight{padding:56px 0}

  .sec-head{margin-bottom:36px;max-width:760px}
  .sec-title{
    position:relative;
    padding-left:16px;
    font-size:clamp(23px,2.6vw,32px);
    line-height:1.3;
    font-weight:700;
    color:var(--text);
    letter-spacing:.01em;
  }
  .sec-title::before{
    content:"";
    position:absolute;
    left:0;
    top:.18em;
    bottom:.18em;
    width:3px;
    border-radius:3px;
    background:linear-gradient(180deg,var(--aurora),var(--star));
    box-shadow:0 0 12px rgba(35,213,196,.6);
  }
  .sec-sub{margin-top:12px;font-size:15px;color:var(--muted)}

  .chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:30px;
    padding:0 13px;
    border-radius:999px;
    font-size:13px;
    color:var(--body);
    background:rgba(255,255,255,.05);
    border:1px solid var(--glass-line);
    transition:.2s ease;
  }
  .chip:hover{color:var(--aurora);border-color:rgba(35,213,196,.45)}
  .chip-gold{color:var(--gold);border-color:rgba(245,200,107,.35);background:rgba(245,200,107,.08)}

  /* ================= 页面头部 ================= */
  .page-head{
    position:relative;
    padding:140px 0 58px;
    border-bottom:1px solid var(--line);
    background:
      linear-gradient(180deg,rgba(7,11,28,.78) 0%,rgba(7,11,28,.93) 58%,rgba(7,11,28,.99) 100%),
      url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  }
  .crumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    margin-bottom:18px;
    font-size:13px;
    color:var(--muted);
  }
  .crumb li{display:inline-flex;align-items:center;gap:8px}
  .crumb li+li::before{content:"/";color:rgba(255,255,255,.24)}
  .crumb a{color:var(--muted);transition:color .2s ease}
  .crumb a:hover{color:var(--aurora)}
  .crumb .current{color:rgba(199,208,228,.6)}

  .page-title{
    font-size:clamp(28px,3.8vw,44px);
    line-height:1.18;
    font-weight:700;
    color:var(--text);
    letter-spacing:.01em;
    max-width:900px;
  }
  .page-sub{
    margin-top:16px;
    max-width:720px;
    font-size:16.5px;
    color:var(--body);
  }
  .head-badges{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }

  /* ================= 准备清单 ================= */
  .prep-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:20px;
  }
  .prep-card{
    padding:26px 24px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--glass-line);
    box-shadow:var(--inner-hi),var(--shadow-card);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    transition:transform .24s ease,border-color .24s ease,background .24s ease;
  }
  .prep-card:hover{
    transform:translateY(-4px);
    border-color:rgba(255,255,255,.2);
    background:rgba(255,255,255,.08);
  }
  .prep-icon{
    width:44px;
    height:44px;
    display:grid;
    place-items:center;
    border-radius:14px;
    color:var(--aurora);
    background:rgba(35,213,196,.1);
    border:1px solid rgba(35,213,196,.3);
    margin-bottom:16px;
  }
  .prep-card h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px}
  .prep-card p{font-size:15px;color:var(--body);line-height:1.75}

  /* ================= 时间轴 ================= */
  .timeline{
    position:relative;
    display:flex;
    flex-direction:column;
    gap:56px;
    margin-top:52px;
  }
  .timeline::before{
    content:"";
    position:absolute;
    left:31px;
    top:14px;
    bottom:14px;
    width:2px;
    border-radius:2px;
    background:linear-gradient(180deg,rgba(35,213,196,.6),rgba(108,92,231,.45) 55%,rgba(35,213,196,0));
    box-shadow:0 0 16px rgba(35,213,196,.4);
  }
  .step{
    position:relative;
    display:grid;
    grid-template-columns:64px minmax(0,1fr);
    gap:28px;
    align-items:start;
  }
  .step-badge{
    width:64px;
    height:64px;
    display:grid;
    place-items:center;
    border-radius:50%;
    font-size:19px;
    font-weight:700;
    color:var(--gold);
    background:rgba(9,15,34,.92);
    border:1px solid rgba(35,213,196,.38);
    box-shadow:0 0 24px -6px rgba(35,213,196,.6),inset 0 1px 0 rgba(255,255,255,.08);
    font-variant-numeric:tabular-nums;
  }
  .step-card{
    display:grid;
    grid-template-columns:minmax(0,1fr) 296px;
    gap:26px;
    align-items:center;
    padding:26px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--glass-line);
    box-shadow:var(--inner-hi),var(--shadow-card);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    transition:transform .24s ease,border-color .24s ease;
  }
  .step-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2)}
  .step:nth-child(even) .step-card{grid-template-columns:296px minmax(0,1fr)}
  .step:nth-child(even) .step-media{order:-1}

  .step-body h3{
    font-size:20px;
    font-weight:600;
    color:var(--text);
    margin-bottom:10px;
  }
  .step-body p{font-size:15.5px;color:var(--body)}
  .step-points{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:16px;
  }
  .step-points span{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 12px;
    border-radius:999px;
    font-size:13px;
    color:var(--body);
    background:rgba(255,255,255,.05);
    border:1px solid var(--line);
  }
  .step-points span::before{
    content:"";
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--aurora);
    box-shadow:0 0 8px rgba(35,213,196,.8);
  }
  .step-media img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--r-img);
    border:1px solid var(--glass-line);
  }

  /* ================= 设备差异 ================= */
  .band{
    background:linear-gradient(180deg,rgba(11,18,41,.72),rgba(7,11,28,.4));
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .device-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:20px;
  }
  .device-card{
    padding:24px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--glass-line);
    box-shadow:var(--inner-hi);
    transition:transform .24s ease,border-color .24s ease;
  }
  .device-card:hover{transform:translateY(-4px);border-color:rgba(35,213,196,.4)}
  .device-name{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:17px;
    font-weight:600;
    color:var(--text);
    padding-bottom:14px;
    margin-bottom:14px;
    border-bottom:1px solid var(--line);
  }
  .device-name i{
    width:9px;
    height:9px;
    border-radius:50%;
    background:var(--aurora);
    box-shadow:0 0 10px rgba(35,213,196,.9);
    font-style:normal;
  }
  .device-list li{
    display:flex;
    justify-content:space-between;
    gap:14px;
    padding:9px 0;
    font-size:14px;
  }
  .device-list li span:first-child{color:var(--muted);flex:none}
  .device-list li span:last-child{color:var(--body);text-align:right}

  /* ================= FAQ ================= */
  .faq-wrap{max-width:900px}
  .faq-list{display:flex;flex-direction:column;gap:12px;margin-top:36px}
  .faq-item{
    border-radius:16px;
    background:var(--glass);
    border:1px solid var(--glass-line);
    box-shadow:var(--inner-hi);
    overflow:hidden;
    transition:border-color .22s ease,background .22s ease;
  }
  .faq-item:hover{border-color:rgba(255,255,255,.2)}
  .faq-q{
    position:relative;
    width:100%;
    display:flex;
    align-items:center;
    gap:14px;
    padding:20px 22px 20px 26px;
    text-align:left;
    font-size:16.5px;
    font-weight:600;
    color:var(--text);
    transition:color .2s ease;
  }
  .faq-q::before{
    content:"";
    position:absolute;
    left:10px;
    top:22px;
    bottom:22px;
    width:2px;
    border-radius:2px;
    background:var(--aurora);
    opacity:0;
    box-shadow:0 0 10px rgba(35,213,196,.8);
    transition:opacity .22s ease;
  }
  .faq-idx{
    flex:none;
    font-size:13px;
    font-weight:700;
    color:var(--gold);
    letter-spacing:.06em;
    font-variant-numeric:tabular-nums;
  }
  .faq-text{flex:1 1 auto;line-height:1.55}
  .faq-ico{
    flex:none;
    width:26px;
    height:26px;
    display:grid;
    place-items:center;
    border-radius:50%;
    color:var(--muted);
    border:1px solid var(--glass-line);
    transition:transform .28s ease,color .22s ease,border-color .22s ease;
  }
  .faq-a{
    max-height:0;
    overflow:hidden;
    opacity:0;
    transition:max-height .34s ease,opacity .2s ease,padding .3s ease;
    padding:0 26px;
  }
  .faq-a p{font-size:15px;color:var(--body);line-height:1.8}
  .faq-item.open{border-color:rgba(35,213,196,.4);background:rgba(255,255,255,.08)}
  .faq-item.open .faq-text{color:var(--aurora)}
  .faq-item.open .faq-q::before{opacity:1}
  .faq-item.open .faq-ico{transform:rotate(180deg);color:var(--aurora);border-color:rgba(35,213,196,.5)}
  .faq-item.open .faq-a{max-height:340px;opacity:1;padding:0 26px 22px}

  /* ================= CTA ================= */
  .cta-card{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    padding:38px 40px;
    border-radius:26px;
    overflow:hidden;
    background:
      linear-gradient(120deg,rgba(108,92,231,.22),rgba(35,213,196,.14)),
      rgba(11,18,41,.86);
    border:1px solid var(--glass-line);
    box-shadow:var(--inner-hi),0 30px 60px -34px rgba(0,0,0,.9);
  }
  .cta-card::after{
    content:"";
    position:absolute;
    right:-80px;
    top:-90px;
    width:300px;
    height:300px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(35,213,196,.28),transparent 68%);
    pointer-events:none;
  }
  .cta-card h2{
    font-size:clamp(21px,2.3vw,28px);
    font-weight:700;
    color:var(--text);
    line-height:1.35;
  }
  .cta-card p{margin-top:10px;font-size:15px;color:var(--body);max-width:620px}
  .cta-actions{flex:none;display:flex;gap:12px}

  /* ================= 页脚 ================= */
  .site-footer{
    position:relative;
    margin-top:40px;
    padding:60px 0 28px;
    border-top:1px solid var(--line);
    background:linear-gradient(180deg,rgba(11,18,41,.6),rgba(7,11,28,.95));
  }
  .foot-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:36px;
  }
  .foot-brand .brand{margin-bottom:16px}
  .foot-brand p{font-size:14.5px;color:var(--muted);max-width:340px}
  .foot-social{display:flex;gap:10px;margin-top:18px}
  .foot-social a{
    width:38px;
    height:38px;
    display:grid;
    place-items:center;
    border-radius:12px;
    color:var(--body);
    background:rgba(255,255,255,.05);
    border:1px solid var(--glass-line);
    transition:.22s ease;
  }
  .foot-social a:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);transform:translateY(-2px)}
  .foot-col h4{
    font-size:15px;
    font-weight:600;
    color:var(--text);
    margin-bottom:14px;
  }
  .foot-col ul{display:flex;flex-direction:column;gap:10px}
  .foot-col a{font-size:14px;color:var(--muted);transition:color .2s ease}
  .foot-col a:hover{color:var(--aurora)}
  .foot-col span{font-size:14px;color:var(--muted)}
  .foot-bottom{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid var(--line);
    font-size:13px;
    color:rgba(138,148,176,.85);
  }

  /* ================= 响应式 ================= */
  @media (max-width:1100px){
    .dock-nav a{padding:8px 10px;font-size:13.5px}
  }

  @media (max-width:1023px){
    .dock{height:58px;padding:0 12px}
    .dock.scrolled{height:52px}
    .menu-btn{display:grid}
    .dock-nav{
      display:none;
      position:absolute;
      top:calc(100% + 12px);
      left:0;
      right:0;
      margin:0;
      flex-direction:column;
      align-items:stretch;
      gap:4px;
      padding:14px;
      border-radius:22px;
      background:rgba(9,15,34,.97);
      border:1px solid var(--glass-line);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      box-shadow:0 26px 54px -26px rgba(0,0,0,.9);
    }
    .dock.open .dock-nav{display:flex}
    .dock-nav a{padding:12px 14px;font-size:14.5px;border-radius:14px}
    .dock-nav a.active::after{left:14px;transform:none;bottom:8px;width:16px}
    .page-head{padding:124px 0 48px}
  }

  @media (max-width:900px){
    .prep-grid{grid-template-columns:1fr 1fr}
    .device-grid{grid-template-columns:1fr 1fr}
    .step-card,
    .step:nth-child(even) .step-card{grid-template-columns:minmax(0,1fr)}
    .step:nth-child(even) .step-media{order:0}
    .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  }

  @media (max-width:767px){
    .site-body{font-size:16px}
    .section{padding:56px 0}
    .section-tight{padding:44px 0}
    .timeline{gap:40px;margin-top:36px}
    .timeline::before{left:23px}
    .step{grid-template-columns:48px minmax(0,1fr);gap:18px}
    .step-badge{width:48px;height:48px;font-size:16px}
    .step-card{padding:20px}
    .prep-grid{grid-template-columns:1fr;gap:16px}
    .device-grid{grid-template-columns:1fr;gap:16px}
    .cta-card{flex-direction:column;align-items:flex-start;padding:28px 24px}
    .cta-actions{width:100%;flex-wrap:wrap}
    .cta-actions .btn{flex:1 1 auto}
    .foot-grid{grid-template-columns:1fr;gap:26px}
    .faq-q{padding:18px 18px 18px 24px;font-size:15.5px}
    .faq-a{padding:0 22px}
    .faq-item.open .faq-a{padding:0 22px 20px}
  }

  @media (max-width:639px){
    .dock{width:94vw;gap:10px}
    .brand-name{font-size:13.5px}
    .brand-name em{display:none}
    .dock-cta{display:none}
    .page-head{padding:110px 0 40px}
    .head-badges{gap:8px}
    .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  }

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

/* roulang page: category4 */
:root{
  --bg:#070B1C;
  --bg-2:#0B1229;
  --star:#6C5CE7;
  --star-soft:#8C7CF0;
  --aurora:#23D5C4;
  --gold:#F5C86B;
  --title:#F2F5FF;
  --body:#C7D0E4;
  --mute:#8A94B0;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.07);
  --r-card:20px;
  --r-img:16px;
  --r-input:14px;
  --r-pill:999px;
  --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
  --dock-h:64px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  background:
    radial-gradient(760px 460px at 12% -6%, rgba(108,92,231,.16), transparent 62%),
    radial-gradient(680px 420px at 92% 8%, rgba(35,213,196,.13), transparent 60%),
    linear-gradient(180deg,#070B1C 0%,#0B1229 100%);
  background-attachment:fixed;
  color:var(--body);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--aurora)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
h1,h2,h3,h4{color:var(--title);letter-spacing:.01em;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--aurora);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- Dock ---------- */
.dock{
  position:fixed;left:50%;transform:translateX(-50%);
  top:16px;z-index:60;
  width:min(1160px,92vw);
  height:var(--dock-h);
  display:flex;align-items:center;gap:18px;
  padding:0 14px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(11,18,41,.62);
  border:1px solid var(--line-2);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06), 0 18px 40px -22px rgba(0,0,0,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:height .28s ease, background .28s ease, box-shadow .28s ease, top .28s ease;
}
.dock.shrink{height:52px;top:10px;background:rgba(8,13,32,.82);box-shadow:inset 0 1px 0 rgba(255,255,255,.07), 0 0 0 1px rgba(35,213,196,.18), 0 16px 36px -20px rgba(0,0,0,.9)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;flex-shrink:0;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold) 0%,#FFE4A8 48%,var(--aurora) 100%);
  box-shadow:0 0 0 1px rgba(245,200,107,.35), 0 0 22px -6px rgba(245,200,107,.55);
}
.brand-name{display:flex;flex-direction:column;line-height:1.15;color:var(--title);font-weight:700;font-size:15px;white-space:nowrap}
.brand-name em{font-style:normal;font-size:11px;font-weight:500;color:var(--mute);letter-spacing:.16em}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:auto}
.dock-nav a{
  position:relative;padding:9px 13px;border-radius:var(--r-pill);
  font-size:14px;color:var(--body);transition:color .2s ease, background .2s ease;
}
.dock-nav a:hover{color:var(--title);background:rgba(255,255,255,.06)}
.dock-nav a.active{color:var(--aurora)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:20px;height:2px;border-radius:2px;background:var(--aurora);
  box-shadow:0 0 10px 1px rgba(35,213,196,.75);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);
  display:grid;place-items:center;color:var(--body);
  border:1px solid var(--line-2);background:var(--glass);
  transition:.22s ease;
}
.icon-btn:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);box-shadow:0 0 18px -6px rgba(35,213,196,.55)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease, box-shadow .24s ease, filter .2s ease, border-color .2s ease, color .2s ease;
  border:1px solid transparent;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  color:#04121F;
  background:linear-gradient(120deg,var(--aurora) 0%,#63E7D8 52%,var(--gold) 130%);
  box-shadow:0 0 0 1px rgba(35,213,196,.35), 0 0 28px -6px rgba(35,213,196,.55);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(35,213,196,.5), 0 0 38px -4px rgba(35,213,196,.7);color:#04121F}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  border-color:var(--line-2);background:var(--glass);color:var(--title);
}
.btn-ghost:hover{border-color:rgba(35,213,196,.45);color:var(--aurora);box-shadow:0 0 22px -8px rgba(35,213,196,.6)}
.btn-ghost:active{transform:scale(.98)}
.btn-text{color:var(--aurora);padding:0 4px;height:auto;font-weight:600}
.btn-text:hover{text-decoration:underline}
.menu-btn{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--glass);place-items:center;color:var(--title)}
.menu-btn:hover{border-color:rgba(35,213,196,.45);color:var(--aurora)}

/* ---------- 通用 ---------- */
.section{padding:88px 0}
.section-sm{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--aurora);border:1px solid rgba(35,213,196,.28);
  background:rgba(35,213,196,.08);padding:6px 14px;border-radius:var(--r-pill);
}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,40px);line-height:1.25;font-weight:700;margin:16px 0 14px}
.sec-head p{color:var(--mute);font-size:15px}
.card{
  border-radius:var(--r-card);background:var(--glass);
  border:1px solid var(--line-2);box-shadow:inset 0 1px 0 rgba(255,255,255,.06), var(--shadow-card);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:var(--r-pill);font-size:12.5px;
  border:1px solid var(--line-2);background:var(--glass-2);color:var(--body);
  transition:.2s ease;
}
.chip:hover{color:var(--aurora);border-color:rgba(35,213,196,.4)}
.chip.gold{color:var(--gold);border-color:rgba(245,200,107,.32);background:rgba(245,200,107,.08)}

/* ---------- 面包屑 ---------- */
.crumb{padding:120px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--mute)}
.crumb li::after{content:"/";margin-left:10px;color:rgba(255,255,255,.2)}
.crumb li:last-child::after{display:none}
.crumb a:hover{color:var(--aurora)}
.crumb .now{color:var(--body)}

/* ---------- 页面头部 ---------- */
.page-head{padding:28px 0 0}
.page-head h1{font-size:clamp(26px,3.4vw,42px);line-height:1.2;font-weight:700;max-width:800px}
.page-head .sub{color:var(--mute);font-size:16px;margin-top:14px;max-width:720px}
.head-rule{height:1px;margin-top:32px;background:linear-gradient(90deg,rgba(35,213,196,.5),rgba(255,255,255,.08) 42%,transparent)}

/* 视觉搜索框 */
.search-visual{
  margin-top:28px;display:flex;align-items:center;gap:12px;
  max-width:520px;height:52px;padding:0 8px 0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line-2);
  background:var(--glass);backdrop-filter:blur(14px);
  transition:.22s ease;
}
.search-visual:focus-within{border-color:rgba(35,213,196,.6);box-shadow:0 0 24px -8px rgba(35,213,196,.7)}
.search-visual svg{flex-shrink:0;color:var(--mute)}
.search-visual input{
  flex:1;height:100%;border:none;background:transparent;outline:none;
  color:var(--title);font-size:14.5px;
}
.search-visual input::placeholder{color:var(--mute)}
.search-visual .mini{font-size:12px;color:var(--mute);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 10px}

/* ---------- 数据条 ---------- */
.stat-band{
  margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);
}
.stat-band > div{padding:22px 24px;border-right:1px solid var(--line)}
.stat-band > div:last-child{border-right:none}
.stat-band strong{display:block;color:var(--gold);font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.2}
.stat-band span{font-size:13px;color:var(--mute)}

/* ---------- FAQ 主体：锚点 + 折叠 ---------- */
.faq-shell{
  max-width:920px;margin:0 auto;
  display:grid;grid-template-columns:272px 1fr;gap:40px;
  align-items:start;
}
.toc-wrap{position:sticky;top:112px}
.toc-card{border-radius:var(--r-card);border:1px solid var(--line-2);background:var(--glass);backdrop-filter:blur(16px);padding:20px}
.toc-card h3{font-size:13px;letter-spacing:.14em;color:var(--mute);font-weight:600;text-transform:uppercase;margin-bottom:14px}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14px;color:var(--body);
  border-left:2px solid transparent;transition:.22s ease;margin-bottom:4px;
}
.toc-list a .idx{font-size:12px;color:var(--mute);font-variant-numeric:tabular-nums}
.toc-list a:hover{background:rgba(255,255,255,.05);color:var(--title)}
.toc-list a.active{
  color:var(--aurora);background:rgba(35,213,196,.09);border-left-color:var(--aurora);
  box-shadow:inset 0 0 22px -14px rgba(35,213,196,.9);
}
.toc-list a.active .idx{color:var(--aurora)}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--mute);line-height:1.7}

.faq-group{margin-bottom:44px;scroll-margin-top:130px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.group-head .dot{
  width:8px;height:8px;border-radius:50%;flex-shrink:0;
  background:var(--aurora);box-shadow:0 0 12px 1px rgba(35,213,196,.8);
}
.group-head h2{font-size:clamp(19px,2.1vw,23px);font-weight:700}
.group-head span{margin-left:auto;font-size:12px;color:var(--mute);white-space:nowrap}

.acc{border-radius:var(--r-card);border:1px solid var(--line-2);background:var(--glass);margin-bottom:12px;overflow:hidden;transition:border-color .24s ease, box-shadow .24s ease}
.acc:hover{border-color:rgba(255,255,255,.2)}
.acc[open]{border-color:rgba(35,213,196,.42);box-shadow:inset 0 1px 0 rgba(255,255,255,.06), 0 0 26px -14px rgba(35,213,196,.9)}
.acc summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:flex-start;gap:14px;padding:20px 22px;
}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{
  content:"";position:absolute;right:22px;top:26px;
  width:9px;height:9px;flex-shrink:0;margin-left:auto;
  border-right:1.8px solid var(--mute);border-bottom:1.8px solid var(--mute);
  transform:rotate(45deg);transition:transform .26s ease, border-color .2s ease;
}
.acc[open] summary::after{transform:rotate(-135deg);border-color:var(--aurora)}
.acc summary .qno{
  font-size:12px;color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums;
  padding-top:3px;flex-shrink:0;letter-spacing:.04em;
}
.acc summary h3{font-size:16px;font-weight:600;line-height:1.55;padding-right:28px;transition:color .2s ease}
.acc[open] summary h3{color:var(--aurora)}
.acc[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--aurora),rgba(35,213,196,0));
  box-shadow:0 0 12px 1px rgba(35,213,196,.7);
}
.acc-body{padding:0 22px 22px 58px;animation:fadeIn .18s ease}
.acc-body p{font-size:15px;color:var(--body);line-height:1.85}
.acc-body ul{margin-top:12px;display:grid;gap:8px}
.acc-body li{position:relative;padding-left:16px;font-size:14.5px;color:var(--body)}
.acc-body li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--aurora);box-shadow:0 0 8px 1px rgba(35,213,196,.6)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- 自查清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check-card{border-radius:var(--r-card);border:1px solid var(--line-2);background:var(--glass);padding:24px;transition:transform .26s ease, border-color .26s ease}
.check-card:hover{transform:translateY(-4px);border-color:rgba(35,213,196,.42)}
.check-card .ic{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:rgba(108,92,231,.18);color:var(--star-soft);border:1px solid rgba(108,92,231,.35);margin-bottom:14px;
}
.check-card h3{font-size:16.5px;margin-bottom:8px}
.check-card p{font-size:14px;color:var(--mute);line-height:1.8}

/* ---------- 图文说明 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.split img{border-radius:var(--r-img);aspect-ratio:16/10;object-fit:cover;width:100%;border:1px solid var(--line-2)}
.split .txt h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:16px}
.split .txt p{font-size:15px;color:var(--body);line-height:1.85}
.mini-list{margin-top:20px;display:grid;gap:12px}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--body)}
.mini-list li svg{flex-shrink:0;margin-top:4px;color:var(--aurora)}

/* ---------- 联系入口 ---------- */
.contact-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.contact-item{
  display:flex;align-items:center;gap:14px;padding:20px 22px;border-radius:var(--r-card);
  border:1px solid var(--line-2);background:var(--glass);transition:.24s ease;
}
.contact-item:hover{transform:translateY(-4px);border-color:rgba(35,213,196,.42)}
.contact-item .ic{
  width:40px;height:40px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;
  background:rgba(35,213,196,.14);color:var(--aurora);border:1px solid rgba(35,213,196,.3);
}
.contact-item strong{display:block;color:var(--title);font-size:15px}
.contact-item span{font-size:13px;color:var(--mute)}

/* ---------- CTA ---------- */
.cta-panel{
  border-radius:26px;border:1px solid rgba(35,213,196,.28);
  background:
    radial-gradient(520px 300px at 88% 10%, rgba(35,213,196,.16), transparent 62%),
    radial-gradient(420px 260px at 4% 96%, rgba(108,92,231,.22), transparent 60%),
    rgba(255,255,255,.055);
  backdrop-filter:blur(18px);
  padding:44px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07), var(--shadow-card);
}
.cta-panel h2{font-size:clamp(22px,2.8vw,34px);line-height:1.28;margin-bottom:14px}
.cta-panel p{font-size:15px;color:var(--body);line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.cta-side{border-radius:20px;border:1px solid var(--line-2);background:rgba(7,11,28,.5);padding:24px}
.cta-side h4{font-size:14px;letter-spacing:.1em;color:var(--mute);text-transform:uppercase;margin-bottom:14px}
.cta-side ul{display:grid;gap:12px}
.cta-side li{display:flex;justify-content:space-between;gap:16px;font-size:14px;padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.1)}
.cta-side li:last-child{border-bottom:none;padding-bottom:0}
.cta-side li span:last-child{color:var(--title);font-variant-numeric:tabular-nums}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(7,11,28,.6));
  padding:64px 0 28px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand p{font-size:14px;color:var(--mute);line-height:1.85;margin:16px 0 18px;max-width:320px}
.foot-brand .brand-name{font-size:16px}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:38px;height:38px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid var(--line-2);background:var(--glass);color:var(--body);transition:.22s ease;
}
.foot-social a:hover{color:var(--aurora);border-color:rgba(35,213,196,.45);box-shadow:0 0 18px -6px rgba(35,213,196,.55)}
.foot-col h4{font-size:14px;color:var(--title);margin-bottom:16px;letter-spacing:.06em}
.foot-col ul{display:grid;gap:11px}
.foot-col li,.foot-col span{font-size:13.5px;color:var(--mute)}
.foot-col a{font-size:13.5px;color:var(--mute)}
.foot-col a:hover{color:var(--aurora)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--mute);
}
.foot-bottom a{color:var(--mute)}
.foot-bottom a:hover{color:var(--aurora)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:50;
  width:46px;height:46px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid var(--line-2);background:rgba(11,18,41,.8);color:var(--body);
  backdrop-filter:blur(12px);opacity:0;pointer-events:none;transition:.26s ease;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{color:var(--aurora);border-color:rgba(35,213,196,.5);box-shadow:0 0 20px -6px rgba(35,213,196,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dock-nav{display:none}
  .menu-btn{display:grid}
  .dock.open{border-radius:24px;height:auto;padding:14px 16px;flex-wrap:wrap}
  .dock.open .dock-nav{
    display:flex;flex-direction:column;align-items:stretch;width:100%;order:3;
    margin:10px 0 4px;gap:6px;border-top:1px solid var(--line);padding-top:12px;
  }
  .dock.open .dock-nav a{padding:12px 14px}
  .dock.open .dock-nav a.active::after{display:none}
  .faq-shell{grid-template-columns:1fr;gap:28px;max-width:760px}
  .toc-wrap{position:static}
  .toc-list{display:grid;grid-template-columns:1fr 1fr;gap:6px}
  .check-grid{grid-template-columns:1fr 1fr}
  .contact-row{grid-template-columns:1fr 1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .section-sm{padding:44px 0}
  .crumb{padding-top:104px}
  .split{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .stat-band > div{border-right:none;border-bottom:1px solid var(--line)}
  .stat-band > div:last-child{border-bottom:none}
  .check-grid{grid-template-columns:1fr}
  .contact-row{grid-template-columns:1fr}
  .dock-cta{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:13.5px}
  .brand-name em{font-size:10px}
  .toc-list{grid-template-columns:1fr}
  .acc summary{padding:16px 18px;gap:10px}
  .acc summary::after{right:18px;top:22px}
  .acc-body{padding:0 18px 20px 18px}
  .cta-panel{padding:26px 20px}
  .foot-grid{grid-template-columns:1fr}
  .page-head h1{font-size:26px}
}