/* roulang page: index */
:root{
  --brand:#2F6BFF;
  --brand-deep:rgba(47,107,255,.16);
  --accent:#C8FF3D;
  --accent-soft:rgba(200,255,61,.12);
  --data:#FF7A2F;
  --bg:#070B14;
  --bg-2:#0E1524;
  --bg-3:#141C2E;
  --text:#E8EEF9;
  --muted:#93A1BC;
  --dim:#5D6B87;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.08);
  --hl-line:rgba(200,255,61,.16);
  --r8:8px;--r12:12px;--r16:16px;--r20:20px;--r28:28px;--rpill:999px;
  --sh1:0 8px 30px rgba(0,0,0,.45);
  --sh2:0 16px 44px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(200,255,61,.18),0 12px 40px rgba(47,107,255,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
.num,.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
::selection{background:rgba(200,255,61,.28);color:#070B14;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:26px;height:26px;flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
.brand-text .hl{color:var(--accent);}
.nav-links{display:none;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--rpill);
  font-size:15px;color:var(--muted);transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);background:rgba(200,255,61,.10);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:none;align-items:center;gap:8px;height:40px;padding:0 12px;width:230px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r12);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-box:focus-within{border-color:rgba(200,255,61,.55);box-shadow:0 0 0 4px rgba(200,255,61,.12);}
.search-box svg{flex:0 0 auto;opacity:.7;}
.search-box input{
  width:100%;background:transparent;border:0;outline:0;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--dim);}
.burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r12);cursor:pointer;transition:border-color .22s var(--ease);
}
.burger:hover{border-color:rgba(200,255,61,.4);}
.burger span{display:block;width:18px;height:2px;background:var(--text);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .search-box{display:flex;}
  .burger{display:none;}
}
.drawer{
  position:fixed;inset:64px 0 0 0;z-index:79;
  background:rgba(7,11,20,.94);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  padding:20px;display:none;overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer-item{
  display:block;height:48px;line-height:48px;padding:0 14px;border-radius:var(--r12);
  font-size:16px;color:var(--muted);border-bottom:1px solid var(--line-2);
}
.drawer-item.is-active{color:var(--accent);background:var(--accent-soft);}
.drawer .search-box{display:flex;width:100%;margin:18px 0;}
.drawer-actions{display:flex;gap:12px;margin-top:6px;}
@media (min-width:1024px){.drawer{display:none !important;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--rpill);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),opacity .22s var(--ease);
}
.btn-primary{background:var(--accent);color:#070B14;box-shadow:0 0 18px rgba(200,255,61,.35);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 26px rgba(200,255,61,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 12px rgba(200,255,61,.28);}
.btn-primary:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.18);color:var(--text);
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(200,255,61,.06);}
.btn-ghost:active{background:rgba(200,255,61,.12);}
.btn-ghost:disabled{opacity:.4;cursor:not-allowed;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-link{
  color:var(--brand);font-weight:600;font-size:15px;
  display:inline-flex;align-items:center;gap:6px;transition:color .22s var(--ease);
}
.btn-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.btn-text{font-size:15px;color:var(--muted);transition:color .22s var(--ease);}
.btn-text:hover{color:var(--accent);}

/* ---------- 通用 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--accent);
  padding:5px 12px;border-radius:var(--rpill);
  background:var(--accent-soft);border:1px solid var(--hl-line);
}
.h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.01em;}
.h3{font-size:20px;font-weight:700;line-height:1.4;}
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
@media (min-width:1024px){.section{padding:120px 0;}}
.section-alt{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 45%,var(--bg) 100%);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.lead{color:var(--muted);font-size:16px;line-height:1.85;max-width:660px;}
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r16);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(200,255,61,.35);box-shadow:var(--sh2);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--rpill);
  font-size:12px;font-weight:600;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--hl-line);white-space:nowrap;
}
.badge-data{color:var(--data);background:rgba(255,122,47,.12);border-color:rgba(255,122,47,.28);}
.divider{height:1px;background:var(--line-2);border:0;margin:0;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(7,11,20,.55),rgba(7,11,20,.95)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(47,107,255,.28);pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr;gap:40px;align-items:center;
  padding:64px 0 72px;
}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:1.05fr .95fr;gap:56px;padding:96px 0 104px;}
}
.hero h1{
  font-size:clamp(30px,4.6vw,56px);font-weight:900;line-height:1.1;letter-spacing:-.015em;
  margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{color:var(--muted);font-size:17px;line-height:1.8;max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;
  border-top:1px solid var(--line-2);padding-top:22px;max-width:620px;
}
.hero-stat b{display:block;font-size:22px;font-weight:800;color:var(--text);}
.hero-stat span{font-size:13px;color:var(--dim);}
.hero-visual{position:relative;}
.hero-card{
  position:relative;border-radius:var(--r20);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-3);box-shadow:var(--sh1);
}
.hero-card img{width:100%;height:300px;object-fit:cover;}
@media (min-width:768px){.hero-card img{height:380px;}}
.hero-card-body{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(180deg,rgba(7,11,20,0),rgba(7,11,20,.92));
}
.hero-card-body h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.hero-card-body p{font-size:14px;color:var(--muted);}
.hero-chip{
  position:absolute;top:-18px;left:-18px;
  display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r16);
  background:rgba(20,28,46,.86);border:1px solid var(--hl-line);backdrop-filter:blur(14px);
  box-shadow:var(--glow);
}
.hero-chip b{font-size:18px;color:var(--accent);}
.hero-chip span{font-size:12px;color:var(--muted);}
@media (max-width:767px){.hero-chip{position:static;margin-bottom:14px;display:inline-flex;}}

/* ---------- 品牌主张 ---------- */
.claim-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:1024px){.claim-grid{grid-template-columns:1fr 1fr;gap:56px;}}
.claim-media{border-radius:var(--r20);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh1);position:relative;}
.claim-media img{width:100%;height:280px;object-fit:cover;}
@media (min-width:768px){.claim-media img{height:400px;}}
.claim-media::before{
  content:"";position:absolute;inset:auto -40px -40px auto;width:180px;height:180px;
  background:linear-gradient(135deg,rgba(47,107,255,.35),transparent 70%);
  transform:rotate(12deg);pointer-events:none;
}
.claim-points{margin-top:26px;display:grid;gap:12px;}
.claim-points li{display:flex;gap:12px;align-items:flex-start;color:var(--muted);font-size:15.5px;}
.claim-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:10px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(200,255,61,.6);
}

/* ---------- 故事 01-04 ---------- */
.story-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.story-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}}
@media (min-width:1024px){.story-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}}
.story-card{padding:26px 22px;}
.story-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;font-size:18px;font-weight:800;
  color:var(--accent);border:1.5px solid var(--accent);
  background:transparent;margin-bottom:18px;
  transition:background .26s var(--ease),color .26s var(--ease);
}
.story-card:hover .story-num{background:var(--accent);color:#070B14;}
.story-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.story-card p{color:var(--muted);font-size:15px;line-height:1.8;}

/* ---------- 精选卡（不对称 12 列） ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){
  .feature-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px;align-items:stretch;}
}
.feature-card{overflow:hidden;display:flex;flex-direction:column;}
.feature-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-3);}
.feature-cover img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease);}
.feature-card:hover .feature-cover img{transform:scale(1.04);}
.feature-cover .badge{position:absolute;top:14px;left:14px;}
.feature-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.feature-body h3{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .22s var(--ease);}
.feature-card:hover h3{color:var(--accent);}
.feature-body p{font-size:14.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feature-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--dim);}
.arrow{transition:transform .22s var(--ease);color:var(--accent);}
.feature-card:hover .arrow{transform:translateX(3px);}
.feature-major .feature-cover{aspect-ratio:16/9;}
.feature-major .feature-body h3{font-size:22px;}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}}
.news-card{
  display:flex;gap:16px;padding:16px;border-radius:var(--r16);
  background:var(--glass);border:1px solid var(--line);
  transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
  opacity:0;transform:translateY(12px);animation:fadeUp .5s var(--ease) forwards;
}
.news-card:hover{background:rgba(255,255,255,.04);border-color:rgba(200,255,61,.28);transform:translateY(-3px);}
.news-thumb{
  flex:0 0 96px;width:96px;height:72px;border-radius:var(--r12);overflow:hidden;
  background:var(--bg-3);border:1px solid var(--line-2);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{min-width:0;display:flex;flex-direction:column;gap:6px;}
.news-title{
  font-size:16.5px;font-weight:700;line-height:1.45;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color .22s var(--ease);
}
.news-card:hover .news-title{color:var(--brand);}
.news-sum{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--dim);margin-top:auto;flex-wrap:wrap;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;
  padding:56px 24px;border-radius:var(--r20);
  background:var(--glass);border:1px dashed rgba(200,255,61,.22);
}
.empty-mark{
  width:64px;height:64px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);border:1px solid var(--hl-line);color:var(--accent);font-size:22px;font-weight:800;
}
.empty-state p{color:var(--muted);font-size:15px;}

/* ---------- 信任背书 ---------- */
.metric-bar{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
  background:var(--line-2);border:1px solid var(--line);border-radius:var(--r20);overflow:hidden;
}
@media (min-width:1024px){.metric-bar{grid-template-columns:repeat(4,minmax(0,1fr));}}
.metric{background:var(--bg-2);padding:26px 22px;}
.metric b{display:block;font-size:26px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--dim);}
.partner-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.partner{
  flex:1 1 160px;padding:14px 16px;border-radius:var(--r12);text-align:center;
  font-size:14px;color:var(--dim);background:rgba(255,255,255,.03);
  border:1px solid var(--line-2);filter:grayscale(1);opacity:.75;
  transition:filter .26s var(--ease),opacity .26s var(--ease),color .26s var(--ease);
}
.partner:hover{filter:grayscale(0);opacity:1;color:var(--text);border-color:rgba(200,255,61,.3);}
.quote-list{display:grid;grid-template-columns:1fr;gap:18px;margin-top:32px;}
@media (min-width:1024px){.quote-list{grid-template-columns:repeat(3,minmax(0,1fr));}}
.quote{
  padding:22px 22px 22px 26px;border-radius:var(--r16);
  background:var(--glass);border:1px solid var(--line);position:relative;
}
.quote::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--accent);}
.quote p{font-size:15px;line-height:1.8;color:var(--text);}
.quote span{display:block;margin-top:12px;font-size:13px;color:var(--dim);}

/* ---------- 订阅 CTA ---------- */
.cta-band{
  border-radius:var(--r28);padding:36px 26px;
  background:linear-gradient(120deg,rgba(47,107,255,.16),rgba(200,255,61,.06) 65%,rgba(255,255,255,.03));
  border:1px solid var(--hl-line);box-shadow:var(--glow);
  display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
}
@media (min-width:1024px){.cta-band{grid-template-columns:1.1fr .9fr;padding:48px 44px;gap:48px;}}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;margin-bottom:12px;}
.cta-band p{color:var(--muted);font-size:15.5px;}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;max-width:560px;}
.sub-form input{
  flex:1 1 200px;height:48px;padding:0 16px;border-radius:var(--r12);
  background:rgba(255,255,255,.05);border:1px solid var(--line);outline:0;
  font-size:15px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.sub-form input::placeholder{color:var(--dim);}
.sub-form input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(200,255,61,.14);}
.form-note{margin-top:12px;font-size:13px;color:var(--dim);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:#05070E;border-top:1px solid var(--line);padding:52px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand span{font-size:16px;font-weight:800;}
.footer-desc{font-size:14px;color:var(--dim);line-height:1.8;max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--dim);transition:color .22s var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--line-2);padding:18px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p,.footer-bottom a{font-size:13px;color:var(--dim);}
.footer-bottom a:hover{color:var(--accent);}

@keyframes fadeUp{to{opacity:1;transform:translateY(0);}}
.reveal{opacity:0;transform:translateY(12px);animation:fadeUp .6s var(--ease) forwards;}
.d1{animation-delay:.06s;}.d2{animation-delay:.12s;}.d3{animation-delay:.18s;}.d4{animation-delay:.24s;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal,.news-card{opacity:1 !important;transform:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#2F6BFF;
  --accent:#C8FF3D;
  --data:#FF7A2F;
  --bg:#070B14;
  --bg-2:#0E1524;
  --bg-3:#141C2E;
  --tx:#E8EEF9;
  --tx-2:#93A1BC;
  --tx-3:#5D6B87;
  --border:rgba(255,255,255,.08);
  --border-soft:rgba(255,255,255,.06);
  --border-hi:rgba(200,255,61,.35);
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.08);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-2xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 30px rgba(0,0,0,.45);
  --sh-2:0 16px 44px rgba(0,0,0,.55);
  --sh-glow:0 0 0 1px rgba(200,255,61,.18), 0 12px 40px rgba(47,107,255,.20);
  --sh-btn:0 0 18px rgba(200,255,61,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono","Cascadia Mono",Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 78% -6%, rgba(47,107,255,.20), transparent 62%),
    radial-gradient(760px 420px at 4% 12%, rgba(200,255,61,.08), transparent 60%),
    var(--bg);
  color:var(--tx);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3{line-height:1.2;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){ .container{padding-left:32px;padding-right:32px;} }
.section{padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){ .section{padding-top:88px;padding-bottom:88px;} }
@media (min-width:1024px){ .section{padding-top:120px;padding-bottom:120px;} }
.section--tight{padding-top:40px;padding-bottom:40px;}
@media (min-width:1024px){ .section--tight{padding-top:56px;padding-bottom:56px;} }
.section--alt{background:linear-gradient(180deg, rgba(14,21,36,.85), rgba(7,11,20,.6));border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:#070B14;padding:10px 16px;border-radius:0 0 12px 0;font-weight:700;z-index:200;}
.skip-link:focus{left:0;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--tx);white-space:nowrap;flex-shrink:0;}
.brand svg{flex-shrink:0;}
.brand-accent{color:var(--accent);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-link{position:relative;padding:8px 13px;font-size:15px;color:var(--tx-2);border-radius:var(--r-pill);transition:color .22s var(--ease),background .22s var(--ease);}
.nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease);}
.nav-link:hover{color:var(--tx);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-link.is-active{color:var(--tx);background:rgba(200,255,61,.10);}
.nav-link.is-active::after{display:none;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:250px;height:40px;padding:0 40px 0 16px;
  background:var(--glass);border:1px solid var(--border);border-radius:var(--r-pill);
  color:var(--tx);font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search input::placeholder{color:var(--tx-3);}
.nav-search input:focus{outline:none;border-color:var(--border-hi);background:rgba(255,255,255,.075);box-shadow:0 0 0 4px rgba(200,255,61,.14);}
.nav-search svg{position:absolute;right:13px;color:var(--tx-3);pointer-events:none;}
.menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--glass);cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease);}
.menu-btn:hover{border-color:var(--border-hi);background:rgba(200,255,61,.06);}
.menu-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.menu-btn span{display:block;width:18px;height:2px;background:var(--tx);border-radius:2px;position:relative;}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--tx);border-radius:2px;}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;position:fixed;inset:64px 0 0 0;z-index:70;
  background:rgba(7,11,20,.96);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:24px 20px 40px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-link{display:flex;align-items:center;height:48px;padding:0 14px;font-size:16px;color:var(--tx-2);border-radius:var(--r-md);border-bottom:1px solid var(--border-soft);transition:color .2s var(--ease),background .2s var(--ease);}
.mobile-drawer .drawer-link:hover{color:var(--tx);background:rgba(255,255,255,.04);}
.mobile-drawer .drawer-link.is-active{color:var(--accent);background:rgba(200,255,61,.10);}
.drawer-search{margin-top:22px;}
.drawer-search input{width:100%;height:48px;padding:0 16px;background:var(--glass);border:1px solid var(--border);border-radius:var(--r-md);font-size:15px;}
.drawer-search input:focus{outline:none;border-color:var(--border-hi);box-shadow:0 0 0 4px rgba(200,255,61,.14);}
.drawer-actions{display:flex;gap:12px;margin-top:18px;}
.drawer-actions .btn{flex:1;justify-content:center;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary{background:var(--accent);color:#070B14;font-weight:700;box-shadow:var(--sh-btn);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 26px rgba(200,255,61,.5);}
.btn-primary:active{transform:translateY(0);filter:brightness(1);box-shadow:0 0 12px rgba(200,255,61,.3);}
.btn-primary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-primary:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;filter:none;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--tx);}
.btn-ghost:hover{border-color:var(--border-hi);background:rgba(200,255,61,.06);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);background:rgba(200,255,61,.1);}
.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-ghost:disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn-text{display:inline-flex;align-items:center;font-size:15px;color:var(--brand);padding:6px 4px;background:none;border:none;cursor:pointer;transition:color .2s var(--ease);}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;color:var(--accent);}
.btn-text:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

/* ============ 页面 Banner ============ */
.page-banner{
  position:relative;
  min-height:30vh;
  padding:64px 0 56px;
  background-image:linear-gradient(180deg, rgba(7,11,20,.62), rgba(7,11,20,.95)), url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border-soft);
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg, rgba(255,255,255,.035) 0 1px, transparent 1px 16px);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;max-width:900px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:20px;}
.breadcrumb a{color:var(--tx-3);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(255,255,255,.2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(200,255,61,.10);border:1px solid rgba(200,255,61,.24);
  color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.04em;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(200,255,61,.9);}
.page-banner h1{
  font-size:clamp(30px,4.6vw,56px);
  font-weight:900;line-height:1.1;letter-spacing:-.01em;
  color:var(--tx);
  margin-bottom:18px;
}
.banner-sub{font-size:18px;color:var(--tx-2);line-height:1.85;max-width:720px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ============ 栏目信息条 ============ */
.fact-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.fact-item{
  background:var(--glass);border:1px solid var(--border);border-left:3px solid rgba(200,255,61,.6);
  border-radius:var(--r-lg);padding:18px 20px;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.fact-item:hover{transform:translateY(-4px);border-color:var(--border-hi);border-left-color:var(--accent);}
.fact-item strong{display:block;color:var(--tx);font-size:16px;font-weight:700;margin-bottom:6px;}
.fact-item span{display:block;color:var(--tx-2);font-size:14px;line-height:1.7;}

/* ============ 通用板块标题 ============ */
.section-head{max-width:760px;margin-bottom:40px;}
.section-eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:14px;}
.section-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;color:var(--tx);margin-bottom:14px;line-height:1.25;}
.section-sub{font-size:17px;color:var(--tx-2);line-height:1.85;}

/* ============ 时间轴 ============ */
.timeline{display:flex;flex-direction:column;}
.tl-item{display:grid;grid-template-columns:1fr 84px 1fr;align-items:stretch;}
.tl-mid{position:relative;display:flex;align-items:center;justify-content:center;}
.tl-mid::before{content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%);background:linear-gradient(180deg, rgba(200,255,61,.32), rgba(47,107,255,.28));}
.tl-dot{position:relative;z-index:2;width:16px;height:16px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(200,255,61,.14), 0 0 18px rgba(200,255,61,.55);}
.tl-content{padding:26px 0;}
.tl-item:nth-child(odd) .tl-content{grid-column:1;padding-right:26px;}
.tl-item:nth-child(even) .tl-content{grid-column:3;padding-left:26px;}
.tl-card{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);border-color:var(--border-hi);box-shadow:var(--sh-2);}
.tl-media{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg, rgba(47,107,255,.16), rgba(200,255,61,.08));}
.tl-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease);}
.tl-card:hover .tl-media img{transform:scale(1.04);}
.tl-body{padding:22px 24px 26px;}
.tl-time{display:inline-block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--data);letter-spacing:.02em;margin-bottom:10px;}
.tl-body h3{font-size:20px;font-weight:700;color:var(--tx);margin-bottom:10px;}
.tl-body p{font-size:16px;color:var(--tx-2);line-height:1.85;}
.tl-tag{display:inline-block;margin-top:16px;padding:4px 12px;border-radius:var(--r-pill);border:1px solid var(--border);font-size:12px;color:var(--tx-3);}

/* ============ 赛果与排名 ============ */
.result-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start;}
.panel{background:var(--glass);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--sh-1);overflow:hidden;}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--border-soft);}
.panel-head h3{font-size:18px;font-weight:700;color:var(--tx);}
.panel-head .hint{font-size:13px;color:var(--tx-3);}
.match-row{display:flex;align-items:center;gap:16px;padding:16px 24px;border-bottom:1px solid var(--border-soft);transition:background .2s var(--ease);}
.match-row:last-child{border-bottom:none;}
.match-row:hover{background:rgba(255,255,255,.04);}
.match-round{font-size:12px;color:var(--tx-3);min-width:84px;}
.match-teams{font-size:16px;font-weight:600;color:var(--tx);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.match-time{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:14px;color:var(--data);white-space:nowrap;}
.match-status{flex-shrink:0;font-size:12px;padding:4px 11px;border-radius:var(--r-pill);border:1px solid var(--border);color:var(--tx-2);}
.match-status.is-live{color:var(--accent);border-color:rgba(200,255,61,.35);background:rgba(200,255,61,.08);}
.field-list{padding:8px 24px 20px;}
.field-list li{padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.08);}
.field-list li:last-child{border-bottom:none;}
.field-list strong{display:block;font-size:15px;font-weight:700;color:var(--tx);margin-bottom:6px;}
.field-list span{font-size:14px;color:var(--tx-2);line-height:1.75;}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-1);position:relative;}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.split-media .badge-float{
  position:absolute;left:18px;bottom:18px;
  background:rgba(7,11,20,.78);border:1px solid rgba(200,255,61,.28);
  color:var(--accent);font-size:13px;font-weight:700;
  padding:7px 14px;border-radius:var(--r-pill);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.check-list li{position:relative;padding:14px 0 14px 30px;border-bottom:1px solid var(--border-soft);}
.check-list li:last-child{border-bottom:none;}
.check-list li::before{
  content:"";position:absolute;left:0;top:23px;width:12px;height:12px;border-radius:3px;
  background:rgba(200,255,61,.16);border:1px solid rgba(200,255,61,.5);
  box-shadow:0 0 12px rgba(200,255,61,.25);
}
.check-list strong{display:block;font-size:16px;font-weight:700;color:var(--tx);margin-bottom:4px;}
.check-list span{font-size:15px;color:var(--tx-2);line-height:1.8;}

/* ============ FAQ ============ */
.faq{background:var(--glass);border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--border-soft);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--tx);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover{background:rgba(255,255,255,.04);color:var(--accent);}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-icon{position:relative;flex-shrink:0;width:20px;height:20px;transition:transform .22s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--accent);border-radius:2px;transform:translate(-50%,-50%);}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity .22s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 24px 20px;font-size:16px;color:var(--tx-2);line-height:1.85;}

/* ============ 分类互链 & CTA ============ */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--border);
  font-size:14px;color:var(--tx-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.pill:hover{color:var(--tx);border-color:var(--border-hi);background:rgba(200,255,61,.06);transform:translateY(-2px);}
.pill.is-active{color:#070B14;background:var(--accent);border-color:var(--accent);font-weight:700;}
.pill:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.cta-board{
  position:relative;
  display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;
  padding:40px;
  background:linear-gradient(120deg, rgba(47,107,255,.14), rgba(255,255,255,.05) 46%, rgba(200,255,61,.08));
  border:1px solid var(--border-hi);
  border-radius:var(--r-2xl);
  box-shadow:var(--sh-glow);
  overflow:hidden;
}
.cta-board::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(200,255,61,.18);pointer-events:none;
}
.cta-board h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;color:var(--tx);margin-bottom:12px;}
.cta-board p{font-size:16px;color:var(--tx-2);line-height:1.85;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1;min-width:200px;height:48px;padding:0 16px;
  background:rgba(7,11,20,.55);border:1px solid var(--border);border-radius:var(--r-md);
  color:var(--tx);font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cta-form input::placeholder{color:var(--tx-3);}
.cta-form input:focus{outline:none;border-color:var(--border-hi);box-shadow:0 0 0 4px rgba(200,255,61,.14);}
.cta-note{font-size:13px;color:var(--tx-3);margin-top:14px;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:#05070E;border-top:1px solid var(--border-soft);padding:56px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--tx);margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--tx-3);line-height:1.85;max-width:340px;}
.footer-title{font-size:15px;font-weight:700;color:var(--tx);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--tx-3);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--border-soft);
  font-size:13px;color:var(--tx-3);
}
.footer-bottom a{color:var(--tx-2);transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-search input{width:200px;}
}
@media (max-width:1023px){
  .nav-links,.nav-search{display:none;}
  .menu-btn{display:flex;}
  .header-actions .btn-text{display:none;}
  .fact-strip{grid-template-columns:repeat(2,1fr);}
  .result-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:30px;}
  .cta-board{grid-template-columns:1fr;gap:24px;padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:900px){
  .tl-item{grid-template-columns:52px 1fr;}
  .tl-item .tl-mid{grid-column:1;grid-row:1;}
  .tl-item:nth-child(odd) .tl-content,
  .tl-item:nth-child(even) .tl-content{grid-column:2;grid-row:1;padding-left:20px;padding-right:0;}
  .tl-dot{width:14px;height:14px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .page-banner{padding:44px 0 40px;min-height:auto;}
  .banner-sub{font-size:16px;}
  .banner-actions{gap:10px;}
  .banner-actions .btn{flex:1;justify-content:center;}
  .fact-strip{grid-template-columns:1fr;}
  .match-row{flex-wrap:wrap;gap:8px 12px;padding:14px 18px;}
  .match-round{min-width:auto;}
  .match-teams{flex-basis:100%;white-space:normal;}
  .match-status{margin-left:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-form input{min-width:0;}
  .cta-form .btn{width:100%;}
  .panel-head{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:520px){
  .container{padding-left:18px;padding-right:18px;}
  .brand{font-size:16px;}
  .tl-body{padding:18px 18px 22px;}
  .tl-body h3{font-size:18px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-2:#0E1524;
  --bg-3:#141C2E;
  --brand:#2F6BFF;
  --brand-deep:#1E4ED8;
  --accent:#C8FF3D;
  --warn:#FF7A2F;
  --text:#E8EEF9;
  --text-2:#93A1BC;
  --text-3:#5D6B87;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --line-hi:rgba(200,255,61,.35);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --r-s:8px; --r-m:12px; --r-l:16px; --r-xl:20px; --r-2xl:28px; --r-pill:999px;
  --sh:0 8px 30px rgba(0,0,0,.45);
  --sh-h:0 16px 44px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(200,255,61,.18), 0 12px 40px rgba(47,107,255,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100%;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(980px 560px at 84% -10%, rgba(47,107,255,.20), transparent 68%),
    radial-gradient(720px 460px at 4% 4%, rgba(200,255,61,.07), transparent 70%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(200,255,61,.28);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap;color:var(--text)}
.brand svg{flex:0 0 auto}
.brand-hi{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-2);white-space:nowrap;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);background:rgba(200,255,61,.10)}
.nav-link.is-active::after{transform:scaleX(1);background:rgba(200,255,61,.55)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 12px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-m);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--line-hi);box-shadow:0 0 0 4px rgba(200,255,61,.16);background:var(--glass-2)}
.nav-search svg{flex:0 0 auto;opacity:.7}
.nav-search input{
  width:100%;background:transparent;border:0;outline:none;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-text-btn{
  font-size:15px;color:var(--text-2);padding:8px 4px;transition:color .2s var(--ease);white-space:nowrap;
}
.nav-text-btn:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.nav-burger{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-m);cursor:pointer;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-burger:hover{border-color:var(--line-hi);background:var(--glass-2)}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:background .2s var(--ease)}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .24s var(--ease)}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-drawer{
  display:none;position:fixed;inset:64px 0 0 0;z-index:79;
  background:rgba(7,11,20,.94);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  padding:24px 20px 40px;overflow-y:auto;
}
.nav-drawer.is-open{display:block}
.nav-drawer .drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-m);
  font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line-soft);
}
.nav-drawer .drawer-link.is-active{color:var(--text);background:rgba(200,255,61,.10)}
.nav-drawer .drawer-search{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 14px;margin-top:18px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-m);
}
.nav-drawer .drawer-search input{width:100%;background:transparent;border:0;outline:none;font-size:15px}
.nav-drawer .drawer-actions{display:flex;gap:12px;margin-top:16px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),color .22s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#070B14;box-shadow:0 0 18px rgba(200,255,61,.35)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 26px rgba(200,255,61,.5)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 12px rgba(200,255,61,.3)}
.btn-primary:disabled,.btn-primary.is-disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;filter:none}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--line-hi);background:rgba(200,255,61,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;
  transition:color .2s var(--ease);
}
.btn-text:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
  background:rgba(47,107,255,.16);color:#9DBBFF;border:1px solid rgba(47,107,255,.32);
}
.badge-neon{background:rgba(200,255,61,.12);color:var(--accent);border-color:rgba(200,255,61,.3)}
.badge-warn{background:rgba(255,122,47,.14);color:#FFB183;border-color:rgba(255,122,47,.32)}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:44px 0 36px;
  border-bottom:1px solid var(--line-soft);
  background-image:
    linear-gradient(180deg,rgba(7,11,20,.78),rgba(7,11,20,.97)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 16px);
  opacity:.55;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);min-width:0}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);white-space:nowrap}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .current{
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46vw;color:var(--text-3);
}
.article-head{margin-top:22px;max-width:900px}
.article-head h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:900;line-height:1.14;letter-spacing:-.5px;color:var(--text);
  margin-top:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;
  font-size:13.5px;color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.7}
.article-meta .m-num{color:var(--text-2)}

/* ============ 布局 ============ */
.article-shell{padding:48px 0 88px}
.article-layout{display:grid;gap:32px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:44px}
}
@media (max-width:1023px){
  .article-side{order:-1}
}
.article-main{min-width:0;max-width:820px;width:100%}
@media (min-width:1024px){.article-main{max-width:820px}}

/* ============ 正文排版 ============ */
.article-body{font-size:18px;line-height:1.9;color:#D9E2F2}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;margin:2.2em 0 .8em;padding-left:16px;
  font-size:clamp(24px,2.6vw,30px);font-weight:800;line-height:1.35;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--accent);
}
.article-body h3{margin:1.8em 0 .6em;font-size:20px;font-weight:700;color:var(--text)}
.article-body h4{margin:1.5em 0 .5em;font-size:17px;font-weight:700;color:var(--text)}
.article-body a{color:#7EA4FF;text-decoration:underline;text-underline-offset:4px;transition:color .2s var(--ease)}
.article-body a:hover{color:var(--accent)}
.article-body strong{color:#F2F6FF;font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;border-left:3px solid var(--accent);border-radius:0 var(--r-l) var(--r-l) 0;
  background:var(--glass);color:var(--text-2);
}
.article-body img{width:100%;height:auto;border-radius:var(--r-l);margin:1.7em 0}
.article-body figure{margin:1.7em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3)}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
  background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;color:#DCE6FB;
}
.article-body pre{
  background:#0B1220;border:1px solid var(--line);border-radius:var(--r-l);padding:18px 20px;overflow:auto;margin:1.7em 0;
}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:2.4em 0}
.table-wrap{
  margin:1.8em 0;border:1px solid var(--line);border-radius:var(--r-l);overflow:auto;
  background:rgba(255,255,255,.04);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.table-wrap table{width:100%;border-collapse:collapse;font-size:16px;min-width:520px}
.table-wrap th{background:rgba(255,255,255,.06);text-align:left;font-weight:700;color:var(--text)}
.table-wrap th,.table-wrap td{padding:13px 18px;border-bottom:1px solid var(--line-soft);white-space:nowrap}
.table-wrap tr:last-child td{border-bottom:none}
.table-wrap td{color:var(--text-2)}
.table-wrap td.num,.table-wrap th.num{font-variant-numeric:tabular-nums}

/* ============ 标签 / 翻页 / 相关 ============ */
.block-gap{margin-top:52px}
.block-title{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--text);margin-bottom:18px;
}
.block-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--accent)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--text-2);background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.tag:hover{border-color:var(--line-hi);color:var(--accent);background:rgba(200,255,61,.06)}

.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.pn-grid{grid-template-columns:1fr}}
.pn-card{
  display:block;padding:20px 22px;border-radius:var(--r-l);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.pn-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh-h);background:var(--glass-2)}
.pn-label{font-size:12.5px;font-weight:700;letter-spacing:.6px;color:var(--accent)}
.pn-title{display:block;margin-top:10px;font-size:17px;font-weight:700;color:var(--text);line-height:1.5}
.pn-desc{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7}

.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:1023px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.rel-grid{grid-template-columns:1fr}}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-l);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh-h)}
.rel-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-3)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
.rel-card:hover .rel-media img{transform:scale(1.04)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-desc{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand);transition:color .2s var(--ease)}
.rel-card:hover .rel-more{color:var(--accent)}
.rel-more svg{transition:transform .24s var(--ease)}
.rel-card:hover .rel-more svg{transform:translateX(3px)}

/* ============ 侧栏 ============ */
.side-stack{display:flex;flex-direction:column;gap:18px}
@media (min-width:1024px){.side-stack{position:sticky;top:88px}}
.side-card{
  padding:18px 18px 20px;border-radius:var(--r-l);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
}
.side-title{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;letter-spacing:.4px;
  color:var(--text);margin-bottom:12px;
}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.toc-list a{
  display:block;padding:7px 0 7px 12px;font-size:14px;color:var(--text-2);line-height:1.6;
  border-left:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--text)}
.toc-list a.is-active{color:var(--accent);border-left-color:var(--accent)}
.toc-list a.lvl-3{padding-left:24px;font-size:13px}
.toc-toggle{
  display:none;width:100%;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:var(--r-m);background:rgba(255,255,255,.04);
  border:1px solid var(--line);cursor:pointer;font-size:14px;font-weight:700;color:var(--text);
}
.toc-caret{width:10px;height:10px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);transition:transform .22s var(--ease)}
.toc-card.is-open .toc-caret{transform:rotate(-135deg)}
.hot-list li+li{border-top:1px solid var(--line-soft)}
.hot-list a{
  display:flex;align-items:center;gap:10px;padding:11px 0;font-size:14px;color:var(--text-2);
  line-height:1.6;transition:color .2s var(--ease);
}
.hot-list a:hover{color:var(--accent)}
.hot-list .idx{font-size:12.5px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;min-width:18px}
.side-sub p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:14px}
.side-form{display:flex;flex-direction:column;gap:10px}
.field{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-m);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  font-size:14.5px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field::placeholder{color:var(--text-3)}
.field:focus{border-color:var(--line-hi);box-shadow:0 0 0 4px rgba(200,255,61,.15);background:rgba(255,255,255,.08)}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.6;margin-top:10px}

/* ============ 空态 ============ */
.empty-state{
  max-width:720px;margin:0 auto;padding:56px 28px;text-align:center;
  border-radius:var(--r-xl);border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--sh);
}
.empty-ico{
  width:72px;height:72px;margin:0 auto 20px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.empty-title{font-size:22px;font-weight:800;color:var(--text)}
.empty-desc{margin-top:12px;font-size:15.5px;color:var(--text-2);line-height:1.8}
.empty-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px}

/* ============ 页脚 ============ */
.site-footer{
  background:#05070E;border-top:1px solid var(--line);margin-top:0;padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text)}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text-3);max-width:330px}
.footer-title{font-size:14px;font-weight:800;letter-spacing:.4px;color:var(--text);margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-3);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--accent)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-text-btn{display:none}
  .nav-burger{display:flex}
  .nav-inner{height:60px}
  .nav-drawer{inset:60px 0 0 0}
}
@media (max-width:520px){
  body{font-size:16px}
  .article-hero{padding:32px 0 26px}
  .article-shell{padding:32px 0 64px}
  .breadcrumb .current{max-width:38vw}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1 !important;transform:none !important}
  .rel-card:hover .rel-media img{transform:none}
  html{scroll-behavior:auto}
}

.reveal{opacity:1;transform:none}

/* roulang page: category3 */
:root{
  --brand:#2F6BFF;
  --brand-soft:rgba(47,107,255,.16);
  --brand-line:rgba(47,107,255,.35);
  --accent:#C8FF3D;
  --accent-soft:rgba(200,255,61,.10);
  --alert:#FF7A2F;
  --bg:#070B14;
  --bg-2:#0E1524;
  --bg-3:#141C2E;
  --text:#E8EEF9;
  --text-2:#93A1BC;
  --text-3:#5D6B87;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --line-hi:rgba(200,255,61,.35);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 30px rgba(0,0,0,.45);
  --sh-2:0 16px 44px rgba(0,0,0,.55);
  --sh-glow:0 0 0 1px rgba(200,255,61,.18), 0 12px 40px rgba(47,107,255,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(47,107,255,.16), transparent 62%),
    radial-gradient(760px 520px at 6% 22%, rgba(200,255,61,.06), transparent 66%),
    var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
::selection{background:rgba(200,255,61,.3);color:#070B14}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ============ 按钮体系 ============ */
.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:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#070B14;box-shadow:0 0 18px rgba(200,255,61,.35)}
.btn-primary:hover{transform:translateY(-1px);background:#d4ff62;box-shadow:0 0 26px rgba(200,255,61,.5)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 12px rgba(200,255,61,.3)}
.btn-primary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--line-hi);background:var(--accent-soft)}
.btn-ghost:active{background:rgba(200,255,61,.04);transform:translateY(0)}
.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-ghost:disabled{opacity:.4;cursor:not-allowed}
.btn-text{
  color:var(--brand);font-weight:600;font-size:15px;
  padding:6px 4px;border-radius:var(--r-xs);
  transition:color .2s var(--ease),text-decoration-color .2s var(--ease);
}
.btn-text:hover{color:#5B8CFF;text-decoration:underline;text-underline-offset:4px}
.btn-text:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-text:active{color:var(--brand)}
.btn-text:disabled{opacity:.4;cursor:not-allowed}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:inline-flex;align-items:center;gap:9px;flex:none}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text)}
.brand-hl{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:14px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;
  padding:0 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-2);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);border-radius:2px}
.nav-link.is-active{color:var(--text);background:var(--accent-soft)}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:250px;height:40px;padding:0 14px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.search-box:focus-within{border-color:var(--line-hi);box-shadow:0 0 0 4px rgba(200,255,61,.14);background:rgba(255,255,255,.07)}
.search-box input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;
}
.search-box input::placeholder{color:var(--text-3)}
.menu-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm);color:var(--text);cursor:pointer;
}
.menu-toggle:hover{border-color:var(--line-hi)}
.menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(7,11,20,.94);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  padding:20px;
}
.drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:48px;margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm);color:var(--text);cursor:pointer;
}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-sm);
  font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line-soft);
}
.drawer-nav a.is-active{color:var(--accent);background:var(--accent-soft)}
.drawer-foot{margin-top:22px;display:grid;gap:12px}
@media (max-width:1023px){
  .nav-links{display:none}
  .search-box{display:none}
  .header-actions .btn-text{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
}

/* ============ 通用版块 ============ */
.section{padding-top:56px;padding-bottom:56px}
@media (min-width:768px){.section{padding-top:88px;padding-bottom:88px}}
@media (min-width:1024px){.section{padding-top:120px;padding-bottom:120px}}
.section-tight{padding-top:48px;padding-bottom:48px}
@media (min-width:1024px){.section-tight{padding-top:72px;padding-bottom:72px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);border:1px solid rgba(200,255,61,.22);
  color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.05em;
}
.section-title{font-size:clamp(24px,3.2vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.01em;color:var(--text)}
.section-lead{margin-top:14px;max-width:760px;color:var(--text-2);font-size:16px;line-height:1.9}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ============ 分类横幅 ============ */
.cat-banner{
  position:relative;overflow:hidden;
  min-height:30vh;padding:44px 0 40px;
  border-bottom:1px solid var(--line-soft);
  background:var(--bg-2);
}
.cat-banner .banner-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,11,20,.55),rgba(7,11,20,.95)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.85;
}
.cat-banner .banner-stripes{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent)}
.crumbs span.sep{color:var(--text-3)}
.crumbs .cur{color:var(--text)}
.banner-title{
  margin-top:20px;font-size:clamp(30px,4.6vw,52px);font-weight:900;line-height:1.1;letter-spacing:-.02em;
  color:var(--text);
}
.banner-title em{font-style:normal;color:var(--accent)}
.banner-desc{margin-top:18px;max-width:780px;color:var(--text-2);font-size:16px;line-height:1.9}
.banner-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.stat-chip{
  min-width:150px;padding:12px 18px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.stat-chip .k{font-size:13px;color:var(--text-3)}
.stat-chip .v{margin-top:2px;font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}

/* ============ 步骤骨架 ============ */
.steps{position:relative;margin-top:40px;display:grid;gap:22px}
.steps::before{
  content:"";position:absolute;left:43px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(200,255,61,.4),rgba(47,107,255,.18),transparent);
}
@media (max-width:767px){.steps::before{display:none}}
.step{
  position:relative;
  display:grid;grid-template-columns:76px 1fr;gap:24px;
  padding:26px 28px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease),background-color .26s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh-2);background:rgba(255,255,255,.065)}
.step-num{
  font-size:46px;font-weight:900;line-height:1;letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1.5px rgba(200,255,61,.8);
  font-variant-numeric:tabular-nums;
}
.step-body{min-width:0}
.step-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.step-title{font-size:20px;font-weight:700;color:var(--text)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;
  background:rgba(47,107,255,.16);border:1px solid var(--brand-line);color:#8FB0FF;
}
.tag-time{
  background:rgba(255,122,47,.12);border-color:rgba(255,122,47,.32);color:var(--alert);
  font-variant-numeric:tabular-nums;
}
.tag-green{background:var(--accent-soft);border-color:rgba(200,255,61,.28);color:var(--accent)}
.step-desc{margin-top:12px;color:var(--text-2);font-size:16px}
.step-list{margin-top:16px;display:grid;gap:8px}
.step-list li{position:relative;padding-left:20px;color:var(--text-2);font-size:15.5px;line-height:1.8}
.step-list li::before{
  content:"";position:absolute;left:2px;top:.68em;width:7px;height:7px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(200,255,61,.5);
}
.step-media{margin-top:18px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.step-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
@media (max-width:767px){
  .step{grid-template-columns:1fr;gap:12px;padding:22px 20px}
  .step-num{font-size:38px}
}

/* ============ 玻璃卡 / 表格 ============ */
.glass-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-1);
}
.table-wrap{margin-top:34px;padding:8px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(16px);overflow-x:auto}
table.plan{width:100%;border-collapse:collapse;min-width:640px}
table.plan th,table.plan td{padding:15px 18px;text-align:left;font-size:15px}
table.plan thead th{
  background:rgba(255,255,255,.06);color:var(--text-2);font-weight:700;font-size:13.5px;
  letter-spacing:.04em;white-space:nowrap;
}
table.plan thead th:first-child{border-radius:var(--r-sm) 0 0 var(--r-sm)}
table.plan thead th:last-child{border-radius:0 var(--r-sm) var(--r-sm) 0}
table.plan tbody tr{border-top:1px solid var(--line-soft)}
table.plan tbody td{color:var(--text-2);font-variant-numeric:tabular-nums}
table.plan tbody td:first-child{color:var(--text);font-weight:700}
.intensity{display:inline-flex;align-items:center;gap:8px;color:var(--text)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(47,107,255,.6)}
.dot.mid{background:var(--accent);box-shadow:0 0 8px rgba(200,255,61,.5)}
.dot.low{background:var(--alert);box-shadow:0 0 8px rgba(255,122,47,.5)}

/* ============ 纠正清单 ============ */
.fix-grid{display:grid;gap:20px;margin-top:36px}
@media (min-width:768px){.fix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.fix-item{
  padding:24px;border-radius:var(--r-md);background:var(--glass);
  border:1px solid var(--line);border-left:3px solid var(--brand);
  transition:border-color .24s var(--ease),transform .24s var(--ease),background-color .24s var(--ease);
}
.fix-item:hover{border-left-color:var(--accent);transform:translateY(-3px);background:rgba(255,255,255,.07)}
.fix-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);letter-spacing:.06em}
.fix-title{margin-top:10px;font-size:18px;font-weight:700;color:var(--text)}
.fix-text{margin-top:10px;color:var(--text-2);font-size:15.5px}
.fix-text strong{color:var(--accent);font-weight:700}

/* ============ FAQ 手风琴 ============ */
.faq{margin-top:34px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(16px);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line-soft)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:17px;font-weight:700;line-height:1.6;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);background:rgba(255,255,255,.03)}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--accent);font-size:16px;line-height:1;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--line-hi)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 20px 18px;color:var(--text-2);font-size:16px;line-height:1.85}

/* ============ 分类药丸互链 ============ */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  color:var(--text-2);font-size:14.5px;font-weight:600;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.pill:hover{color:var(--text);border-color:var(--line-hi);background:var(--accent-soft);transform:translateY(-2px)}
.pill.is-current{color:#070B14;background:var(--accent);border-color:var(--accent);font-weight:700}
.pill:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ============ 订阅 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);padding:34px;
  background:linear-gradient(120deg,rgba(47,107,255,.18),rgba(200,255,61,.07) 60%,transparent);
  border:1px solid rgba(200,255,61,.18);
  box-shadow:var(--sh-glow);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(200,255,61,.16);pointer-events:none;
}
.cta-grid{position:relative;display:grid;gap:24px;align-items:center}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.1fr .9fr}}
.cta-title{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.3;color:var(--text)}
.cta-text{margin-top:10px;color:var(--text-2);font-size:15.5px}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1;min-width:200px;height:48px;padding:0 16px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{border-color:var(--line-hi);box-shadow:0 0 0 4px rgba(200,255,61,.14)}
.form-note{margin-top:12px;font-size:13px;color:var(--text-3)}

/* ============ 页脚 ============ */
.site-footer{background:#05070E;border-top:1px solid var(--line-soft);margin-top:0;padding:56px 0 26px}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text)}
.footer-desc{margin-top:14px;color:var(--text-3);font-size:14px;line-height:1.85;max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.04em;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-3);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

/* ============ 入场动效 ============ */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .btn,.step,.pill,.fix-item,.faq-icon,.faq-q,.faq-a{transition:none !important}
  .btn-primary:hover,.step:hover,.pill:hover,.fix-item:hover{transform:none !important;box-shadow:none !important}
}

/* roulang page: category2 */
:root{
    --bg:#070B14;
    --bg-2:#0E1524;
    --bg-3:#141C2E;
    --primary:#2F6BFF;
    --accent:#C8FF3D;
    --warn:#FF7A2F;
    --text:#E8EEF9;
    --text-2:#93A1BC;
    --text-3:#5D6B87;
    --line:rgba(255,255,255,.08);
    --line-soft:rgba(255,255,255,.06);
    --line-hi:rgba(200,255,61,.35);
    --glass:rgba(255,255,255,.05);
    --glass-strong:rgba(255,255,255,.08);
    --r-8:8px;
    --r-12:12px;
    --r-16:16px;
    --r-20:20px;
    --r-28:28px;
    --sh-1:0 8px 30px rgba(0,0,0,.45);
    --sh-2:0 16px 44px rgba(0,0,0,.55);
    --glow:0 0 0 1px rgba(200,255,61,.18), 0 12px 40px rgba(47,107,255,.20);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
  button,input{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  .container{max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* ---------- 按钮体系 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:999px;
    font-size:15px;font-weight:700;letter-spacing:.2px;
    border:1px solid transparent;cursor:pointer;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
  }
  .btn-primary{background:var(--accent);color:#070B14;box-shadow:0 0 18px rgba(200,255,61,.35);}
  .btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 28px rgba(200,255,61,.5);}
  .btn-primary:active{transform:translateY(0);filter:brightness(1);}
  .btn-primary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
  .btn-primary:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;filter:none;}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text);}
  .btn-ghost:hover{border-color:var(--accent);background:rgba(200,255,61,.06);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
  .btn-ghost:disabled{opacity:.4;cursor:not-allowed;}
  .btn-text{
    color:var(--primary);font-size:15px;font-weight:600;
    text-underline-offset:4px;
  }
  .btn-text:hover{text-decoration:underline;color:var(--accent);}
  .btn-text:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(7,11,20,.72);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line-soft);
  }
  .header-inner{height:64px;display:flex;align-items:center;gap:20px;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
  .brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--text);white-space:nowrap;}
  .brand-hl{color:var(--accent);}
  .nav-links{display:none;flex:1;align-items:center;gap:4px;justify-content:center;}
  .nav-link{
    position:relative;padding:8px 14px;border-radius:999px;
    font-size:15px;color:var(--text-2);white-space:nowrap;
    transition:color .22s var(--ease),background .22s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
    background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--text);background:rgba(200,255,61,.10);}
  .nav-link.is-active::after{transform:scaleX(0);}
  .nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .search-box{display:none;align-items:center;gap:8px;height:40px;padding:0 14px;
    background:var(--glass);border:1px solid var(--line);border-radius:999px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);}
  .search-box svg{flex:none;opacity:.7;}
  .search-box input{
    width:190px;height:100%;background:transparent;border:0;outline:none;font-size:14px;color:var(--text);
  }
  .search-box input::placeholder{color:var(--text-3);}
  .search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(200,255,61,.16);}
  .header-login{display:none;}
  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;
    background:var(--glass);border:1px solid var(--line);cursor:pointer;
    transition:border-color .22s var(--ease),background .22s var(--ease);
  }
  .menu-toggle:hover{border-color:var(--line-hi);background:rgba(200,255,61,.06);}
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
  }
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}
  .menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

  @media (min-width:768px){
    .search-box{display:flex;}
  }
  @media (min-width:1024px){
    .nav-links{display:flex;}
    .header-login{display:inline-flex;}
    .menu-toggle{display:none;}
  }

  /* 移动抽屉 */
  .drawer{
    position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;
    background:rgba(7,11,20,.94);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    padding:20px;opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:16px;}
  .drawer-close{
    width:44px;height:44px;border-radius:12px;background:var(--glass);border:1px solid var(--line);
    color:var(--text);font-size:20px;line-height:1;cursor:pointer;
  }
  .drawer-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
  .drawer-nav{display:flex;flex-direction:column;}
  .drawer-nav a{
    display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
    font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line-soft);
  }
  .drawer-nav a:hover{color:var(--text);background:rgba(255,255,255,.04);}
  .drawer-nav a.is-active{color:var(--accent);background:rgba(200,255,61,.10);border-radius:12px;}
  .drawer-bottom{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px;}
  .drawer-search{
    display:flex;align-items:center;gap:8px;height:48px;padding:0 16px;
    background:var(--glass);border:1px solid var(--line);border-radius:12px;
  }
  .drawer-search input{flex:1;background:transparent;border:0;outline:none;font-size:15px;color:var(--text);}
  .drawer-search input::placeholder{color:var(--text-3);}
  .drawer-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(200,255,61,.16);}
  @media (min-width:1024px){.drawer{display:none;}}

  /* ---------- 区块间距 ---------- */
  .section{padding:56px 0;}
  @media (min-width:768px){.section{padding:88px 0;}}
  @media (min-width:1024px){.section{padding:120px 0;}}
  .section-tight{padding:40px 0;}
  @media (min-width:768px){.section-tight{padding:56px 0;}}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--accent);
    text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:block;}

  .section-head{
    display:flex;flex-direction:column;gap:14px;margin-bottom:32px;
  }
  .section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;}
  .section-note{color:var(--text-2);font-size:16px;max-width:640px;}
  @media (min-width:768px){
    .section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;}
    .section-head > div{max-width:620px;}
    .section-note{margin-bottom:6px;}
  }

  /* ---------- 分类页 banner ---------- */
  .page-banner{
    position:relative;overflow:hidden;
    min-height:30vh;display:flex;align-items:center;
    padding:48px 0 44px;
    background-image:linear-gradient(180deg,rgba(7,11,20,.72),rgba(7,11,20,.95)),url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    border-bottom:1px solid var(--line-soft);
  }
  .page-banner::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 15px);
    opacity:.7;
  }
  .banner-inner{position:relative;z-index:2;}
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
  .crumbs a{color:var(--text-3);}
  .crumbs a:hover{color:var(--accent);}
  .crumbs span[aria-current]{color:var(--text-2);}
  .page-banner h1{
    font-size:clamp(28px,4.4vw,50px);font-weight:900;line-height:1.14;letter-spacing:-.5px;
    max-width:900px;
  }
  .banner-sub{color:var(--text-2);font-size:17px;max-width:660px;margin-top:18px;line-height:1.8;}
  .banner-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .stat{
    display:flex;align-items:baseline;gap:10px;
    padding:12px 18px;border-radius:14px;
    background:var(--glass);border:1px solid var(--line);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  }
  .stat-num{font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;}
  .stat-label{font-size:14px;color:var(--text-2);}

  /* ---------- 宽幅视觉图 ---------- */
  .wide-visual{position:relative;border-radius:var(--r-20);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
  .wide-visual img{width:100%;aspect-ratio:21/9;object-fit:cover;}
  .wide-visual::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,11,20,.15),rgba(7,11,20,.72));
    pointer-events:none;
  }
  .wide-visual figcaption{
    position:absolute;left:0;right:0;bottom:0;z-index:2;
    padding:20px 22px;font-size:14px;color:var(--text-2);
    background:linear-gradient(180deg,transparent,rgba(7,11,20,.86));
  }
  @media (min-width:768px){.wide-visual figcaption{padding:26px 30px;font-size:15px;}}

  /* ---------- 参数对照 ---------- */
  .cmp-wrap{display:grid;grid-template-columns:1fr;gap:16px;align-items:start;}
  .cmp-pane{
    border-radius:var(--r-16);overflow:hidden;
    background:var(--glass);border:1px solid var(--line);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    box-shadow:var(--sh-1);
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .cmp-pane:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh-2);}
  .cmp-head{padding:18px 20px;border-bottom:1px solid var(--line-soft);background:rgba(255,255,255,.03);}
  .cmp-head h3{font-size:19px;font-weight:700;line-height:1.35;}
  .cmp-head p{font-size:14px;color:var(--text-2);margin-top:6px;}
  .cmp-right .cmp-head{border-left:3px solid var(--accent);}
  .cmp-left .cmp-head{border-left:3px solid var(--primary);}
  .cmp-row{
    min-height:60px;display:flex;align-items:center;gap:10px;
    padding:10px 20px;border-top:1px solid var(--line-soft);
    font-size:16px;font-weight:600;color:var(--text);
  }
  .cmp-row:first-of-type{border-top:0;}
  .cmp-row::before{
    content:attr(data-label);display:none;
  }
  .row-diff{display:inline-flex;align-items:center;font-size:13px;font-weight:700;color:var(--warn);margin-left:auto;font-variant-numeric:tabular-nums;}
  .cmp-mid{display:none;}
  .diff-name{font-size:13px;color:var(--text-3);display:block;line-height:1.4;}
  .diff-tag{font-size:13px;font-weight:700;color:var(--warn);font-variant-numeric:tabular-nums;}

  @media (min-width:1024px){
    .cmp-wrap{grid-template-columns:1fr 176px 1fr;gap:0;}
    .cmp-mid{display:block;}
    .cmp-mid .cmp-head{padding:18px 12px;}
    .cmp-mid .cmp-head h3{font-size:14px;color:var(--text-3);font-weight:700;letter-spacing:.08em;}
    .cmp-diff{min-height:60px;display:flex;flex-direction:column;justify-content:center;gap:2px;padding:10px 12px;}
    .cmp-row::before{display:none;}
    .row-diff{display:none;}
  }
  @media (max-width:1023px){
    .cmp-row::before{
      display:block;width:88px;flex:none;font-size:13px;font-weight:500;color:var(--text-3);
    }
  }

  /* ---------- 选购要点 ---------- */
  .pick-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:1024px){.pick-grid{grid-template-columns:1.15fr .85fr;gap:28px;}}

  .pick-main{
    border-radius:var(--r-20);overflow:hidden;
    background:var(--glass);border:1px solid var(--line);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    box-shadow:var(--sh-1);
  }
  .pick-main img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .pick-main-body{padding:24px;}
  @media (min-width:768px){.pick-main-body{padding:30px;}}
  .pick-main-body h3{font-size:22px;font-weight:800;line-height:1.35;}
  .pick-main-body p{color:var(--text-2);font-size:16px;margin-top:12px;}

  .pick-list{display:flex;flex-direction:column;gap:14px;}
  .pick-item{
    display:flex;gap:16px;align-items:flex-start;
    padding:18px 20px;border-radius:var(--r-16);
    background:rgba(255,255,255,.04);border:1px solid var(--line);
    transition:border-color .24s var(--ease),background .24s var(--ease),transform .24s var(--ease);
  }
  .pick-item:hover{border-color:var(--line-hi);background:rgba(255,255,255,.06);transform:translateY(-3px);}
  .pick-num{
    flex:none;width:42px;height:42px;border-radius:999px;
    display:flex;align-items:center;justify-content:center;
    border:1px solid var(--accent);color:var(--accent);
    font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  }
  .pick-item h4{font-size:17px;font-weight:700;line-height:1.4;}
  .pick-item p{font-size:15px;color:var(--text-2);margin-top:6px;line-height:1.75;}

  /* ---------- 维护周期时间线 ---------- */
  .maint-list{position:relative;display:flex;flex-direction:column;gap:14px;}
  .maint-item{
    position:relative;display:flex;flex-direction:column;gap:6px;
    padding:20px 22px 20px 24px;border-radius:var(--r-16);
    background:rgba(255,255,255,.04);border:1px solid var(--line);
    border-left:3px solid rgba(255,122,47,.85);
    transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
  }
  .maint-item:hover{background:rgba(255,255,255,.06);transform:translateX(4px);border-left-color:var(--accent);}
  .maint-time{font-size:14px;font-weight:700;color:var(--warn);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
  .maint-item h4{font-size:17px;font-weight:700;}
  .maint-item p{font-size:15px;color:var(--text-2);line-height:1.75;}

  /* ---------- 场景卡 ---------- */
  .scene-track{
    display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:16px;
    overflow-x:auto;padding-bottom:8px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }
  .scene-track::-webkit-scrollbar{height:6px;}
  .scene-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;}
  .scene-card{
    scroll-snap-align:start;
    border-radius:var(--r-16);overflow:hidden;
    background:var(--glass);border:1px solid var(--line);
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .scene-card:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh-2);}
  .scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .scene-body{padding:18px 20px 22px;}
  .scene-body h4{font-size:17px;font-weight:700;}
  .scene-body p{font-size:15px;color:var(--text-2);margin-top:8px;line-height:1.75;}
  @media (min-width:768px){
    .scene-track{grid-auto-flow:row;grid-auto-columns:auto;grid-template-columns:repeat(2,1fr);gap:20px;overflow:visible;}
  }
  @media (min-width:1024px){
    .scene-track{grid-template-columns:repeat(4,1fr);gap:24px;}
  }

  /* ---------- FAQ ---------- */
  .faq-panel{
    border-radius:var(--r-20);overflow:hidden;
    background:var(--glass);border:1px solid var(--line);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    box-shadow:var(--sh-1);
  }
  .faq-item + .faq-item{border-top:1px solid var(--line-soft);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px;background:none;border:0;text-align:left;cursor:pointer;
    font-size:17px;font-weight:700;color:var(--text);line-height:1.5;
    transition:color .22s var(--ease),background .22s var(--ease);
  }
  .faq-q:hover{color:var(--accent);background:rgba(255,255,255,.03);}
  .faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
  .faq-icon{
    position:relative;flex:none;width:24px;height:24px;border-radius:999px;
    border:1px solid var(--line);transition:transform .22s var(--ease),border-color .22s var(--ease);
  }
  .faq-icon i{position:absolute;left:50%;top:50%;background:var(--accent);transform:translate(-50%,-50%);border-radius:2px;}
  .faq-icon i:first-child{width:10px;height:2px;}
  .faq-icon i:last-child{width:2px;height:10px;transition:opacity .22s var(--ease);}
  .faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--line-hi);}
  .faq-item.is-open .faq-icon i:last-child{opacity:0;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .faq-a p{padding:0 20px 20px;font-size:16px;color:var(--text-2);line-height:1.85;}
  .faq-item.is-open .faq-q{color:var(--text);}

  /* ---------- 分类互链 ---------- */
  .pill-row{display:flex;flex-wrap:wrap;gap:12px;}
  .pill{
    display:inline-flex;align-items:center;gap:8px;
    height:42px;padding:0 20px;border-radius:var(--r-8);
    background:rgba(255,255,255,.04);border:1px solid var(--line);
    font-size:15px;color:var(--text-2);
    transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
  }
  .pill:hover{border-color:var(--line-hi);color:var(--text);background:rgba(200,255,61,.06);transform:translateY(-2px);}
  .pill.is-current{border-color:var(--line-hi);color:var(--accent);background:rgba(200,255,61,.10);}

  /* ---------- 订阅 CTA ---------- */
  .cta-band{
    border-radius:var(--r-28);padding:32px 24px;
    background:linear-gradient(120deg,rgba(47,107,255,.16),rgba(200,255,61,.07)),rgba(255,255,255,.04);
    border:1px solid rgba(200,255,61,.18);
    box-shadow:var(--glow);
  }
  @media (min-width:768px){.cta-band{padding:44px 40px;}}
  .cta-inner{display:grid;grid-template-columns:1fr;gap:26px;}
  @media (min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;align-items:center;gap:48px;}}
  .cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;}
  .cta-inner p{color:var(--text-2);font-size:16px;margin-top:12px;max-width:520px;}
  .cta-form{display:flex;flex-direction:column;gap:12px;max-width:560px;}
  .form-line{display:flex;flex-direction:column;gap:12px;}
  @media (min-width:520px){.form-line{flex-direction:row;}}
  .field{
    flex:1;height:48px;padding:0 16px;
    background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-12);
    color:var(--text);font-size:15px;outline:none;width:100%;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .field::placeholder{color:var(--text-3);}
  .field:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(200,255,61,.16);}
  .form-hint{font-size:13px;color:var(--text-3);line-height:1.6;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#05070E;border-top:1px solid var(--line-soft);
    padding:48px 0 28px;margin-top:0;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;}
  .footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;margin-top:14px;max-width:340px;}
  .footer-title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.06em;margin-bottom:14px;}
  .footer-links li + li{margin-top:10px;}
  .footer-links a{font-size:14px;color:var(--text-3);}
  .footer-links a:hover{color:var(--accent);}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);
    display:flex;flex-direction:column;gap:8px;
    font-size:13px;color:var(--text-3);
  }
  .footer-bottom a{color:var(--text-3);}
  .footer-bottom a:hover{color:var(--accent);}
  @media (min-width:768px){
    .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }

  /* ---------- 入场动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);animation:rise .7s var(--ease) forwards;}
  @keyframes rise{to{opacity:1;transform:translateY(0);}}
  .d1{animation-delay:.06s;}
  .d2{animation-delay:.12s;}
  .d3{animation-delay:.18s;}

  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
    .reveal{opacity:1;transform:none;}
    .cmp-pane:hover,.pick-item:hover,.maint-item:hover,.scene-card:hover,.pill:hover{transform:none;}
  }

/* roulang page: category4 */
:root{
  --brand:#2F6BFF;
  --accent:#C8FF3D;
  --data:#FF7A2F;
  --bg:#070B14;
  --bg-2:#0E1524;
  --bg-3:#141C2E;
  --text:#E8EEF9;
  --muted:#93A1BC;
  --dim:#5D6B87;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --line-hi:rgba(200,255,61,.35);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-2xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 30px rgba(0,0,0,.45);
  --sh-2:0 16px 44px rgba(0,0,0,.55);
  --sh-glow:0 0 0 1px rgba(200,255,61,.18),0 12px 40px rgba(47,107,255,.20);
  --sh-btn:0 0 18px rgba(200,255,61,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.is-lock{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{list-style:none;padding:0;}
svg{display:block;}
::selection{background:rgba(200,255,61,.28);color:#fff;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap;line-height:1;}
.brand-key{color:var(--accent);}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 14px;
  font-size:15px;color:var(--muted);border-radius:var(--r-pill);
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-link.is-active{background:rgba(200,255,61,.10);color:var(--text);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{position:relative;width:236px;}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);opacity:.55;pointer-events:none;}
.nav-search input{
  width:100%;height:38px;padding:0 14px 0 36px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:14px;outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.nav-search input::placeholder{color:var(--dim);}
.nav-search input:focus{
  border-color:rgba(200,255,61,.45);
  box-shadow:0 0 0 4px rgba(200,255,61,.14);
  background:rgba(255,255,255,.07);
}
.text-btn{font-size:14px;color:var(--muted);padding:6px 8px;border-radius:var(--r-sm);transition:color .22s var(--ease);}
.text-btn:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.text-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-md);cursor:pointer;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-hi);background:rgba(200,255,61,.06);}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-toggle span{display:block;width:16px;height:0;}
.nav-toggle i{display:block;width:18px;height:1.6px;background:var(--text);border-radius:2px;margin:3px auto;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),
             border-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:#070B14;box-shadow:var(--sh-btn);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 0 26px rgba(200,255,61,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 12px rgba(200,255,61,.28);}
.btn-primary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-primary:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;filter:none;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text);}
.btn-ghost:hover{border-color:var(--line-hi);background:rgba(200,255,61,.06);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-ghost:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;
  padding:20px 20px 28px;
  background:rgba(7,11,20,.96);
  -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  transform:translateY(-101%);
  transition:transform .3s var(--ease);
}
.drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:18px;}
.drawer-title{font-size:17px;font-weight:800;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-md);background:rgba(255,255,255,.05);
  border:1px solid var(--line);cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--line-hi);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 16px;font-size:16px;font-weight:600;
  color:var(--muted);border-radius:var(--r-md);border:1px solid transparent;
  transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);
}
.drawer-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.drawer-link.is-active{color:var(--text);background:rgba(200,255,61,.10);border-color:var(--line-hi);}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line-soft);}
.drawer-search input{
  width:100%;height:46px;padding:0 16px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:var(--r-md);font-size:15px;outline:none;
}
.drawer-search input:focus{border-color:rgba(200,255,61,.45);box-shadow:0 0 0 4px rgba(200,255,61,.14);}
.drawer-btns{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;}

/* ---------- banner ---------- */
.page-banner{
  position:relative;overflow:hidden;display:flex;align-items:center;
  min-height:30vh;padding:56px 0 48px;
  border-bottom:1px solid var(--line-soft);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,11,20,.58),rgba(7,11,20,.95)),url("/assets/images/backpic/back-2.webp");
  background-size:cover,cover;background-position:center,center;background-repeat:no-repeat;
}
.banner-lines{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 15px);
  opacity:.55;pointer-events:none;
}
.banner-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dim);margin-bottom:16px;}
.breadcrumb a{color:var(--dim);transition:color .22s var(--ease);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span{color:var(--dim);}
.breadcrumb .crumb-now{color:var(--muted);}
.page-banner h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:900;line-height:1.1;letter-spacing:-.01em;
  max-width:760px;
}
.banner-lead{
  margin-top:18px;max-width:640px;font-size:17px;line-height:1.85;color:var(--muted);
}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.chip-accent{color:var(--accent);border-color:var(--line-hi);background:rgba(200,255,61,.08);}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-tight{padding:48px 0;}
@media (min-width:1024px){.section-tight{padding:72px 0;}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.sec-head h2{font-size:28px;font-weight:800;line-height:1.25;margin-top:10px;}
@media (min-width:1024px){.sec-head h2{font-size:33px;}}
.sec-lead{margin-top:12px;max-width:660px;font-size:16px;color:var(--muted);line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.14em;color:var(--accent);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent);}

/* ---------- metric cards ---------- */
.metrics{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.metrics{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.metrics{grid-template-columns:repeat(4,1fr);gap:24px;}}
.metric{
  position:relative;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px 24px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh-glow);background:rgba(255,255,255,.07);}
.metric-idx{
  font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.metric h3{font-size:19px;font-weight:700;margin-top:14px;line-height:1.4;}
.metric p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- support grid ---------- */
.support-grid{display:grid;gap:28px;grid-template-columns:1fr;}
@media (min-width:1024px){
  .support-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:32px;align-items:start;}
}
.col-head{margin-bottom:20px;}
.col-head h3{font-size:22px;font-weight:800;line-height:1.35;}
.col-head p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-group{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line-soft);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:20px;background:none;border:0;text-align:left;font-size:17px;font-weight:700;
  line-height:1.55;cursor:pointer;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.faq-q:hover{color:var(--accent);background:rgba(255,255,255,.03);}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-icon{
  position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:6px;
  border:1px solid var(--line);
  transition:transform .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--accent);border-radius:2px;
}
.faq-icon::before{width:10px;height:1.6px;}
.faq-icon::after{width:1.6px;height:10px;transition:opacity .22s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--line-hi);background:rgba(200,255,61,.08);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-item.is-open .faq-q{color:var(--text);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 20px 18px;font-size:16px;line-height:1.85;color:var(--muted);}
.faq-a-inner a{color:var(--brand);}
.faq-a-inner a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}

/* ---------- form ---------- */
.form-card{
  width:100%;max-width:560px;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px 24px;
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--sh-1);
}
@media (min-width:768px){.form-card{padding:32px 30px;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;}
.field label .req{color:var(--data);margin-left:4px;}
.input,.textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:var(--r-md);font-size:15px;color:var(--text);outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.input{height:48px;padding:0 14px;}
.textarea{min-height:132px;padding:12px 14px;line-height:1.7;resize:vertical;}
.input::placeholder,.textarea::placeholder{color:var(--dim);}
.input:focus,.textarea:focus{
  border-color:rgba(200,255,61,.45);box-shadow:0 0 0 4px rgba(200,255,61,.14);background:rgba(255,255,255,.07);
}
.field.has-error .input,.field.has-error .textarea{
  border-color:var(--data);box-shadow:0 0 0 4px rgba(255,122,47,.12);
}
.field-error{display:none;margin-top:7px;font-size:13px;color:var(--data);line-height:1.6;}
.field.has-error .field-error{display:block;}
.form-actions{margin-top:22px;}
.form-actions .btn{width:100%;}
.form-note{margin-top:14px;font-size:13px;color:var(--dim);line-height:1.7;}
.form-success{
  display:none;align-items:flex-start;gap:10px;margin-bottom:20px;padding:14px 16px;
  border-radius:var(--r-md);border:1px solid var(--line-hi);background:rgba(200,255,61,.08);
  font-size:14px;line-height:1.7;color:var(--text);
}
.form-success.is-on{display:flex;}
.form-success .dot{flex:0 0 8px;width:8px;height:8px;margin-top:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(200,255,61,.6);}

/* ---------- flow ---------- */
.flow-visual{
  border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;margin-bottom:32px;
  box-shadow:var(--sh-1);
}
.flow-visual img{width:100%;height:200px;object-fit:cover;}
@media (min-width:768px){.flow-visual img{height:260px;}}
.flow{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.flow{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,1fr);gap:24px;}}
.flow-step{
  position:relative;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.flow-step:hover{transform:translateY(-4px);border-color:var(--line-hi);box-shadow:var(--sh-glow);}
.flow-num{
  font-size:34px;font-weight:900;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--accent);
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;font-weight:700;margin-top:16px;}
.flow-step p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- pills & CTA ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:44px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.04);
  font-size:14px;color:var(--muted);
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease);
}
.pill:hover{border-color:var(--line-hi);color:var(--text);background:rgba(200,255,61,.06);transform:translateY(-1px);}
.pill:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.pill.is-current{color:var(--accent);border-color:var(--line-hi);background:rgba(200,255,61,.10);}
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-2xl);
  background:linear-gradient(120deg,rgba(47,107,255,.20),rgba(255,255,255,.045) 55%,rgba(200,255,61,.08));
  box-shadow:var(--sh-glow);
  padding:32px 24px;
}
@media (min-width:768px){.cta-band{padding:44px 40px;}}
.cta-grid{display:grid;gap:26px;grid-template-columns:1fr;}
@media (min-width:900px){.cta-grid{grid-template-columns:minmax(0,1fr) minmax(320px,420px);align-items:center;gap:40px;}}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.3;}
@media (min-width:1024px){.cta-band h2{font-size:30px;}}
.cta-band p{margin-top:12px;font-size:16px;color:var(--muted);line-height:1.8;max-width:520px;}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px;}
.subscribe-form .input{flex:1 1 200px;min-width:0;}
.subscribe-form .btn{flex:0 0 auto;}
.form-tip{margin-top:12px;font-size:13px;color:var(--dim);line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{background:#05070E;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.85;max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin:0 0 14px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{font-size:14px;color:var(--dim);transition:color .22s var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;align-items:center;
  margin-top:44px;padding:20px 0 28px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--dim);
}
.footer-bottom a{color:var(--dim);text-decoration:underline;text-underline-offset:4px;transition:color .22s var(--ease);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

@media (max-width:1100px){
  .nav-links,.nav-search,.header-actions .text-btn{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:520px){
  .brand-text{font-size:16px;}
  .cta-band{border-radius:var(--r-xl);}
  .subscribe-form .btn{width:100%;}
}
@media (min-width:1101px){
  .drawer{display:none;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1 !important;transform:none !important;}
}