/* roulang page: index */
:root{
  --bg-0:#070B12; --bg-1:#0C1220; --bg-2:#121A2B;
  --line:rgba(122,163,255,.14);
  --brand:#19E0C8; --brand-deep:#0B8F86;
  --accent:#FF4D8D; --data:#FFB020; --danger:#FF6B6B;
  --text-1:#E8EEF8; --text-2:#9AA9C2; --text-3:#66748E;
  --r-lg:20px; --r-md:14px; --r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --glow:0 0 0 1px rgba(25,224,200,.25), 0 14px 44px -14px rgba(25,224,200,.45);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#6ff3e2;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--text-1);margin:0;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(max-width:520px){.container{padding:0 16px;}}

/* ---------- 顶部霓虹线 ---------- */
.top-glow{height:1px;width:100%;background:linear-gradient(90deg,transparent 0%,var(--brand) 34%,rgba(25,224,200,.15) 70%,transparent 100%);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,18,.85);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text-1);white-space:nowrap;letter-spacing:-.01em;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:12px;height:12px;border-radius:3px;flex:none;
  background:var(--brand);
  box-shadow:0 0 12px rgba(25,224,200,.85),0 0 26px rgba(25,224,200,.35);
  transform:rotate(45deg);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text-1);text-shadow:0 0 14px rgba(25,224,200,.55);}
.nav-link.active::after{transform:scaleX(.4);}
.nav-cta{margin-left:8px;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  background:var(--bg-2);border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,12,.66);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);z-index:90;
  background:linear-gradient(160deg,rgba(18,26,43,.96),rgba(12,18,32,.98));
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-left:1px solid rgba(25,224,200,.35);
  box-shadow:-16px 0 46px -20px rgba(25,224,200,.35);
  transform:translateX(102%);transition:transform .26s var(--ease);
  padding:22px 20px 32px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-close{
  position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:12px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--text-1);
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;
}
.drawer-title{font-size:16px;color:var(--text-1);margin:8px 0 18px;font-weight:700;}
.drawer-nav a{
  display:block;padding:13px 12px;border-radius:12px;color:var(--text-2);font-size:15px;
  border-bottom:1px solid rgba(122,163,255,.08);
}
.drawer-nav a.active{color:var(--brand);background:rgba(25,224,200,.08);}
.drawer-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all .22s var(--ease);
}
.btn-primary{background:var(--brand);color:#04211D;box-shadow:var(--glow);}
.btn-primary:hover{background:#4df0dd;color:#04211D;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(25,224,200,.4),0 18px 48px -14px rgba(25,224,200,.6);}
.btn-primary:active{background:var(--brand-deep);color:#EAFBF8;transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(25,224,200,.1);color:var(--brand);transform:translateY(-1px);}
.btn-quiet{background:transparent;border-color:var(--line);color:var(--text-2);}
.btn-quiet:hover{border-color:rgba(25,224,200,.45);color:var(--text-1);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.text-link i{display:inline-block;transition:transform .2s var(--ease);font-style:normal;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1;}
.badge-cat{background:rgba(25,224,200,.1);color:var(--brand);border:1px solid rgba(25,224,200,.24);}
.badge-time{background:rgba(255,176,32,.15);color:var(--data);border:1px solid rgba(255,176,32,.24);}
.badge-live{background:rgba(255,77,141,.16);color:#FF89B2;border:1px solid rgba(255,77,141,.38);backdrop-filter:blur(6px);}
.badge-live i{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,77,141,.6);}50%{opacity:.5;box-shadow:0 0 0 6px rgba(255,77,141,0);}}

/* ---------- 区块 ---------- */
.section{padding:84px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
@media(max-width:768px){.section{padding:56px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:62ch;}
@media(max-width:768px){
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:23px;}
}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.06em;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 460px at 82% -10%, rgba(25,224,200,.16), transparent 62%),
    radial-gradient(760px 340px at 6% 108%, rgba(255,77,141,.10), transparent 66%),
    var(--bg-0);
  padding:64px 0 76px;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 76% 26%,#000,transparent 68%);
  -webkit-mask-image:radial-gradient(circle at 76% 26%,#000,transparent 68%);
}
.hero > .container{position:relative;z-index:2;}
.hero-title{font-size:44px;line-height:1.22;letter-spacing:-.01em;}
.hero-sub{margin-top:16px;font-size:16.5px;color:var(--text-2);max-width:60ch;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
@media(max-width:1024px){.hero-title{font-size:34px;}}
@media(max-width:520px){.hero-title{font-size:26px;line-height:1.28;}.hero{padding:42px 0 52px;}.hero-sub{font-size:15px;}}

.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;margin-top:40px;}
@media(max-width:1023px){.hero-grid{grid-template-columns:1fr;gap:20px;margin-top:32px;}}

.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
  aspect-ratio:16/9;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,18,.12) 0%,rgba(7,11,18,.42) 48%,rgba(7,11,18,.92) 100%);
}
.hero-media .badge-live{position:absolute;top:16px;left:16px;z-index:3;height:30px;padding:0 13px;}
.hero-media-caption{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:22px;}
.hero-media-caption h2{font-size:21px;line-height:1.45;}
.hero-media-caption p{margin-top:8px;font-size:14px;color:var(--text-2);}
@media(max-width:520px){.hero-media-caption{padding:16px;}.hero-media-caption h2{font-size:17px;}}

.side-panel{display:flex;flex-direction:column;gap:18px;}
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-lg);
  padding:22px;
}
.panel-label{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.04em;}

/* 倒计时 */
.countdown{display:flex;align-items:center;gap:8px;margin-top:14px;}
.cd-cell{
  flex:1;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-md);
  padding:10px 6px;text-align:center;
}
.cd-num{display:block;font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--data);line-height:1.2;}
.cd-label{display:block;margin-top:4px;font-size:11.5px;color:var(--text-3);}
.cd-sep{font-family:var(--font-mono);font-size:22px;color:var(--data);opacity:.7;animation:blink 1.6s infinite;}
@keyframes blink{0%,45%{opacity:.75;}50%,100%{opacity:.18;}}
@media(prefers-reduced-motion:reduce){.cd-sep{animation:none;}.badge-live i{animation:none;}}

/* 看点列表 */
.point-list{margin-top:12px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text-2);
}
.point-list li:last-child{border-bottom:0;padding-bottom:0;}
.point-num{font-family:var(--font-mono);font-size:13px;color:var(--brand);flex:none;padding-top:3px;}

/* 订阅表单 */
.field{margin-top:14px;}
.field label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;}
.input{
  width:100%;height:48px;border-radius:var(--r-md);
  background:var(--bg-1);border:1px solid var(--line);
  padding:0 15px;color:var(--text-1);outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.input::placeholder{color:#55617a;}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(25,224,200,.18);}
.form-row{display:flex;gap:10px;margin-top:14px;}
.form-row .input{flex:1;}
.form-note{margin-top:10px;font-size:13px;color:var(--text-3);}
.form-msg{margin-top:10px;font-size:13.5px;color:var(--brand);display:none;align-items:center;gap:6px;}
.form-msg.show{display:flex;}
@media(max-width:520px){.form-row{flex-direction:column;}.form-row .btn{width:100%;}}

/* 回放横滑 */
.replay-scroll{display:flex;gap:12px;margin-top:14px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin;}
.replay-scroll::-webkit-scrollbar{height:6px;}
.replay-scroll::-webkit-scrollbar-thumb{background:rgba(25,224,200,.24);border-radius:99px;}
.replay-item{flex:none;width:158px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--bg-1);transition:border-color .2s var(--ease),transform .2s var(--ease);}
.replay-item:hover{border-color:rgba(25,224,200,.4);transform:translateY(-2px);}
.replay-item img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.replay-item span{display:block;padding:9px 11px;font-size:13px;color:var(--text-2);}

/* ---------- 数据条 ---------- */
.trust-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.08);
}
.trust-item{padding:26px 22px;border-right:1px solid var(--line);}
.trust-item:last-child{border-right:0;}
.trust-num{display:block;font-family:var(--font-mono);font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;}
.trust-desc{display:block;margin-top:8px;font-size:13.5px;color:var(--text-3);}
@media(max-width:900px){.trust-bar{grid-template-columns:repeat(2,1fr);}.trust-item{border-bottom:1px solid var(--line);}.trust-item:nth-child(2n){border-right:0;}}
@media(max-width:520px){.trust-item{padding:20px 16px;}.trust-num{font-size:24px;}}

/* ---------- 卡片 ---------- */
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{border-color:rgba(25,224,200,.4);transform:translateY(-2px);box-shadow:0 18px 44px -22px rgba(25,224,200,.5);}
.card-media{position:relative;overflow:hidden;background:var(--bg-1);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.ratio-169{aspect-ratio:16/9;}
.ratio-54{aspect-ratio:5/4;}
.ratio-11{aspect-ratio:1/1;}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(7,11,18,.72) 100%);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:17px;line-height:1.55;}
.card-title a{color:var(--text-1);}
.card-title a:hover{color:var(--brand);}
.card-text{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.card-foot{margin-top:auto;padding-top:6px;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:1024px){.grid-3{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media(max-width:640px){.grid-3{grid-template-columns:1fr;}}

/* ---------- 资讯列表（CMS） ---------- */
.updates-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:start;}
@media(max-width:1023px){.updates-grid{grid-template-columns:1fr;}}
.update-lead{display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);}
.update-lead:hover{border-color:rgba(25,224,200,.4);box-shadow:0 18px 44px -22px rgba(25,224,200,.5);}
.update-lead .card-media{aspect-ratio:16/9;}
.update-lead .card-body{padding:24px;gap:14px;}
.update-lead h3{font-size:22px;line-height:1.5;}
.update-lead h3 a{color:var(--text-1);}
.update-lead h3 a:hover{color:var(--brand);}
.update-lead p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

.update-list{display:flex;flex-direction:column;gap:12px;}
.update-item{
  display:flex;gap:14px;align-items:center;
  padding:16px;border-radius:var(--r-md);
  background:var(--bg-2);border:1px solid var(--line);
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.update-item:hover{border-color:rgba(25,224,200,.4);transform:translateX(3px);background:#141d31;}
.update-thumb{width:88px;height:64px;flex:none;border-radius:10px;overflow:hidden;background:var(--bg-1);}
.update-thumb img{width:100%;height:100%;object-fit:cover;}
.update-item h4{font-size:15.5px;line-height:1.5;font-weight:600;}
.update-item h4 a{color:var(--text-1);}
.update-item h4 a:hover{color:var(--brand);}
.update-item .meta{margin-top:6px;font-size:12.5px;color:var(--text-3);display:flex;gap:10px;flex-wrap:wrap;}
.update-item .meta em{font-style:normal;color:var(--data);font-family:var(--font-mono);}
@media(max-width:520px){.update-item{align-items:flex-start;}.update-thumb{width:72px;height:54px;}}

.empty-state{
  padding:56px 24px;text-align:center;border-radius:var(--r-lg);
  background:var(--bg-2);border:1px dashed rgba(122,163,255,.24);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:16px;
  background:rgba(25,224,200,.1);border:1px solid rgba(25,224,200,.28);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:22px;
}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:18px;}

/* ---------- 入口说明 + 时间轴 ---------- */
.entry-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:32px;align-items:center;}
@media(max-width:1023px){.entry-grid{grid-template-columns:1fr;gap:24px;}}
.entry-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);aspect-ratio:5/4;background:var(--bg-2);}
.entry-media img{width:100%;height:100%;object-fit:cover;}
.steps{margin-top:26px;position:relative;padding-left:26px;}
.steps::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line);}
.step{position:relative;padding-bottom:26px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-26px;top:7px;width:15px;height:15px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--brand);box-shadow:0 0 12px rgba(25,224,200,.55);
}
.step h3{font-size:17px;line-height:1.5;}
.step p{margin-top:7px;font-size:14.5px;color:var(--text-2);}
.step .step-tag{display:inline-block;margin-bottom:6px;font-family:var(--font-mono);font-size:12px;color:var(--data);}

/* ---------- 对比卡 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
@media(max-width:768px){.compare{grid-template-columns:1fr;}}
.compare-card{
  border-radius:var(--r-lg);padding:26px;
  background:var(--bg-2);border:1px solid var(--line);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.compare-card:hover{transform:translateY(-2px);}
.compare-card.is-good{border-color:rgba(25,224,200,.35);background:linear-gradient(160deg,rgba(25,224,200,.09),rgba(18,26,43,.9));}
.compare-card h3{font-size:19px;margin-bottom:6px;}
.compare-card .sub{font-size:13.5px;color:var(--text-3);margin-bottom:18px;}
.compare-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text-2);}
.compare-list li:last-child{border-bottom:0;}
.compare-list .mark{flex:none;font-family:var(--font-mono);font-size:13px;color:var(--brand);}
.compare-card.is-plain .mark{color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:100%;}
.faq-item{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .2s var(--ease);
}
.faq-item:hover{border-color:rgba(25,224,200,.35);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  flex:none;width:26px;height:26px;border-radius:8px;
  background:rgba(25,224,200,.12);border:1px solid rgba(25,224,200,.3);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  transition:transform .24s var(--ease);
}
.faq-item[open] summary .sign{transform:rotate(180deg);}
.faq-body{padding:0 22px 22px;font-size:15px;color:var(--text-2);max-width:70ch;}

/* ---------- CTA ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:32px 34px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(25,224,200,.16),rgba(18,26,43,.85) 55%,rgba(255,77,141,.12));
  border:1px solid rgba(25,224,200,.3);
  box-shadow:0 24px 60px -32px rgba(25,224,200,.6);
}
.cta-bar h2{font-size:24px;line-height:1.4;}
.cta-bar p{margin-top:8px;font-size:14.5px;color:var(--text-2);max-width:56ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none;}
@media(max-width:900px){.cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px;}.cta-bar h2{font-size:20px;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1);}
.footer-note{margin-top:14px;font-size:14px;color:var(--text-3);max-width:34ch;line-height:1.8;}
.footer-col h3{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* roulang page: category1 */
:root{
  --bg-0:#070B12;
  --bg-1:#0C1220;
  --bg-2:#121A2B;
  --line:rgba(122,163,255,.14);
  --line-soft:rgba(255,255,255,.08);
  --brand:#19E0C8;
  --brand-deep:#0B8F86;
  --accent:#FF4D8D;
  --data:#FFB020;
  --danger:#FF6B6B;
  --text-1:#E8EEF8;
  --text-2:#9AA9C2;
  --text-3:#66748E;
  --radius-lg:20px;
  --radius-md:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#5cf0dd;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:8px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,11,18,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--brand),rgba(25,224,200,0) 68%);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text-1);font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:10px;height:10px;border-radius:999px;background:var(--brand);
  box-shadow:0 0 12px var(--brand);
  flex:none;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-link.active{color:var(--text-1);text-shadow:0 0 14px rgba(25,224,200,.55);}
.nav-link.active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px rgba(25,224,200,.8);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--text-1);
  font-size:18px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(25,224,200,.45);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  text-decoration:none;
  transition:all .2s var(--ease);
}
.btn-primary{
  background:var(--brand);color:#04211E;
  box-shadow:0 0 0 1px rgba(25,224,200,.25),0 14px 44px -14px rgba(25,224,200,.45);
}
.btn-primary:hover{
  background:#3ff0da;color:#04211E;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(25,224,200,.35),0 18px 50px -14px rgba(25,224,200,.6);
}
.btn-primary:active{background:var(--brand-deep);color:#eafffb;transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:rgba(25,224,200,.1);color:#5cf0dd;}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-2);}
.btn-ghost:hover{color:var(--text-1);border-color:rgba(25,224,200,.45);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand);font-weight:600;
}
.btn-link span{transition:transform .2s var(--ease);}
.btn-link:hover span{transform:translateX(4px);}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  line-height:1.7;
}
.badge-brand{background:rgba(25,224,200,.12);color:var(--brand);border:1px solid rgba(25,224,200,.25);}
.badge-time{background:rgba(255,176,32,.15);color:var(--data);border:1px solid rgba(255,176,32,.25);}
.badge-live{background:rgba(255,77,141,.14);color:var(--accent);border:1px solid rgba(255,77,141,.3);}
.live-dot{
  width:7px;height:7px;border-radius:999px;background:var(--accent);
  box-shadow:0 0 0 0 rgba(255,77,141,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,141,.55);}
  70%{box-shadow:0 0 0 9px rgba(255,77,141,0);}
  100%{box-shadow:0 0 0 0 rgba(255,77,141,0);}
}

/* ---------- Section basics ---------- */
.section{padding:84px 0;}
.section-tight{padding:56px 0;}
.section-title{
  font-size:28px;line-height:1.35;font-weight:700;color:var(--text-1);
  letter-spacing:-.01em;margin:0 0 12px;
}
.section-sub{font-size:15px;color:var(--text-2);margin:0;max-width:70ch;}
.eyebrow{
  font-size:13px;color:var(--brand);letter-spacing:.12em;
  text-transform:uppercase;margin:0 0 12px;font-weight:600;
}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 76px;
  background:
    radial-gradient(900px 420px at 78% -10%,rgba(25,224,200,.14),transparent 62%),
    var(--bg-1);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  pointer-events:none;
}
.hero .wrap{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(102,116,142,.6);}
.breadcrumb .current{color:var(--text-2);}
.page-h1{
  font-size:40px;line-height:1.25;font-weight:700;
  color:var(--text-1);letter-spacing:-.01em;margin:16px 0 14px;
}
.hero-sub{
  font-size:18px;line-height:1.7;color:var(--text-1);
  margin:0 0 14px;font-weight:600;
}
.hero-desc{font-size:16px;line-height:1.9;color:var(--text-2);margin:0 0 26px;max-width:62ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.hero-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15px;color:var(--text-2);
}
.hero-points li::before{
  content:"";
  width:6px;height:6px;margin-top:10px;border-radius:999px;
  background:var(--brand);box-shadow:0 0 8px rgba(25,224,200,.8);
  flex:none;
}
.hero-media{
  position:relative;margin:0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line-soft);
  background:var(--bg-2);
  box-shadow:0 0 0 1px rgba(25,224,200,.14),0 30px 70px -30px rgba(25,224,200,.35);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:46%;
  background:linear-gradient(to top,rgba(7,11,18,.9),rgba(7,11,18,0));
}
.hero-media figcaption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:3;
  font-size:13px;color:var(--text-2);line-height:1.6;
}
.hero-media .badge{position:absolute;top:16px;left:16px;z-index:3;}

/* ---------- Stats strip ---------- */
.stats-strip{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:24px 26px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.stat{display:flex;flex-direction:column;gap:4px;position:relative;}
.stat + .stat::before{
  content:"";position:absolute;left:-10px;top:6px;bottom:6px;width:1px;background:var(--line);
}
.stat-num{font-size:26px;font-weight:700;color:var(--text-1);letter-spacing:.02em;}
.stat-label{font-size:13px;color:var(--text-3);}

/* ---------- Cards ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.post-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card:hover{
  transform:translateY(-2px);
  border-color:rgba(25,224,200,.4);
  box-shadow:0 0 0 1px rgba(25,224,200,.18),0 26px 56px -26px rgba(25,224,200,.55);
}
.media-5x4{position:relative;aspect-ratio:5/4;overflow:hidden;background:var(--bg-1);}
.media-5x4 img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.post-card:hover .media-5x4 img{transform:scale(1.04);}
.media-5x4::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:48%;
  background:linear-gradient(to top,rgba(7,11,18,.88),rgba(7,11,18,0));
}
.media-5x4 .badge{position:absolute;top:14px;left:14px;z-index:3;}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;line-height:1.6;font-weight:700;color:var(--text-1);margin:0;}
.card-text{font-size:15px;line-height:1.85;color:var(--text-2);margin:0;}
.clamp-2{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ---------- Aside / glass panels ---------- */
.panel{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:22px 22px 24px;
}
.panel-title{font-size:17px;font-weight:700;color:var(--text-1);margin:0 0 14px;display:flex;align-items:center;gap:10px;}
.panel-title::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(25,224,200,.7);
}

/* ---------- FAQ ---------- */
.faq-item{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-soft);
  border-radius:var(--radius-md);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:0 18px;
  margin-bottom:12px;
  transition:border-color .22s var(--ease);
}
.faq-item:last-child{margin-bottom:0;}
.faq-item:hover{border-color:rgba(25,224,200,.32);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:16px 0;
  font-size:16px;line-height:1.6;color:var(--text-1);font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  color:var(--brand);font-size:20px;line-height:1;flex:none;
  transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-body{
  font-size:15px;line-height:1.85;color:var(--text-2);
  margin:0;padding:0 0 18px;max-width:70ch;
}

/* ---------- Side links ---------- */
.side-links{list-style:none;margin:0;padding:0;display:grid;gap:2px;}
.side-links li a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 2px;
  font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.side-links li:last-child a{border-bottom:0;}
.side-links li a:hover{color:var(--brand);padding-left:6px;}
.side-links li a span{color:var(--text-3);font-size:13px;flex:none;}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:28px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:var(--line);
}
.tl-item{position:relative;padding:0 0 30px 8px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:7px;
  width:15px;height:15px;border-radius:50%;
  background:var(--bg-0);
  border:2px solid var(--brand);
  box-shadow:0 0 12px rgba(25,224,200,.7);
}
.tl-index{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:13px;color:var(--data);letter-spacing:.08em;
}
.tl-title{font-size:17px;font-weight:700;color:var(--text-1);margin:2px 0 6px;}
.tl-text{font-size:15px;line-height:1.85;color:var(--text-2);margin:0;max-width:62ch;}

/* ---------- Check lists ---------- */
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.check-list li::before{
  content:"✓";
  color:var(--brand);font-weight:700;flex:none;
  width:20px;height:20px;margin-top:5px;
  display:flex;align-items:center;justify-content:center;
  border-radius:6px;background:rgba(25,224,200,.12);
  font-size:12px;
}
.mini-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:16px 18px;
  margin-bottom:12px;
}
.mini-card:last-child{margin-bottom:0;}
.mini-card h4{font-size:15px;color:var(--text-1);margin:0 0 6px;font-weight:700;}
.mini-card p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0;}

/* ---------- CTA / form ---------- */
.cta-bar{
  background:linear-gradient(160deg,rgba(25,224,200,.12),rgba(255,255,255,.02));
  border:1px solid rgba(25,224,200,.25);
  border-radius:24px;
  padding:34px 32px;
  display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  box-shadow:0 24px 60px -34px rgba(25,224,200,.55);
}
.cta-copy{flex:1 1 340px;min-width:260px;}
.cta-title{font-size:24px;line-height:1.4;font-weight:700;color:var(--text-1);margin:0 0 8px;}
.cta-text{font-size:15px;line-height:1.8;color:var(--text-2);margin:0;max-width:52ch;}
.subscribe-form{flex:0 1 440px;min-width:280px;width:100%;max-width:440px;}
.field-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.form-row{display:flex;gap:12px;}
.input{
  width:100%;height:48px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:0 16px;
  color:var(--text-1);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.input::placeholder{color:var(--text-3);}
.input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(25,224,200,.18);
}
.form-hint{font-size:13px;color:var(--text-3);margin:10px 0 0;line-height:1.7;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:var(--text-1);font-size:17px;font-weight:700;margin-bottom:14px;
}
.footer-note{font-size:14px;line-height:1.85;color:var(--text-2);margin:0;max-width:38ch;}
.footer-col h3{font-size:14px;color:var(--text-1);margin:0 0 16px;font-weight:700;letter-spacing:.02em;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .main-nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(86vw,360px);
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:96px 24px 32px;
    margin-left:0;
    background:rgba(12,18,32,.97);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-left:1px solid rgba(25,224,200,.35);
    transform:translateX(105%);
    transition:transform .26s var(--ease);
    z-index:90;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav .nav-link{width:100%;padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link.active::after{left:12px;right:auto;width:40%;bottom:6px;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .hero{padding:44px 0 56px;}
  .page-h1{font-size:32px;}
  .hero-sub{font-size:17px;}
  .section{padding:64px 0;}
  .section-title{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .hero{padding:32px 0 48px;}
  .page-h1{font-size:28px;}
  .hero-desc{font-size:15px;}
  .grid-cards{grid-template-columns:1fr;}
  .stats-strip{grid-template-columns:1fr 1fr;gap:24px 18px;padding:22px;}
  .stat + .stat::before{display:none;}
  .section{padding:52px 0;}
  .section-title{font-size:22px;}
  .section-sub{font-size:14px;}
  .cta-bar{padding:26px 22px;border-radius:20px;}
  .cta-title{font-size:20px;}
  .form-row{flex-direction:column;}
  .form-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .page-h1{font-size:26px;}
  .hero-media img{aspect-ratio:5/4;}
  .stats-strip{grid-template-columns:1fr;gap:18px;}
  .stat-num{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-0:#070B12;
  --bg-1:#0C1220;
  --bg-2:#121A2B;
  --line:rgba(122,163,255,.14);
  --line-strong:rgba(122,163,255,.28);
  --brand:#19E0C8;
  --brand-deep:#0B8F86;
  --accent:#FF4D8D;
  --data:#FFB020;
  --danger:#FF6B6B;
  --text-1:#E8EEF8;
  --text-2:#9AA9C2;
  --text-3:#66748E;
  --r-card:20px;
  --r-sm:14px;
  --r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-card:0 18px 44px -26px rgba(0,0,0,.9);
  --glow-brand:0 0 0 1px rgba(25,224,200,.25),0 14px 44px -14px rgba(25,224,200,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;top:0;left:0;right:0;height:1px;z-index:70;
  background:linear-gradient(90deg,var(--brand) 0%,rgba(25,224,200,.35) 38%,rgba(25,224,200,0) 78%);
  pointer-events:none;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:#5FF0DD}
button,input{font:inherit}
button{cursor:pointer}
ul,ol{margin:0}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(25,224,200,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--brand),var(--accent));z-index:80;transition:width .12s linear}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,18,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text-1);letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--text-1)}
.brand-mark{width:11px;height:11px;border-radius:3px;background:var(--brand);box-shadow:0 0 14px rgba(25,224,200,.9);flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:24px}
.nav-link{
  position:relative;padding:9px 2px;font-size:14.5px;color:var(--text-2);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;border-radius:2px;
  background:var(--brand);transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text-1);text-shadow:0 0 14px rgba(25,224,200,.45)}
.nav-link.active::after{width:40%}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;margin:3px auto;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.nav-drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(7,11,18,.94);backdrop-filter:blur(18px);
  padding:24px 22px;overflow-y:auto;
}
.nav-drawer.open{display:block}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.nav-drawer .drawer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text-1);font-size:20px;line-height:1;
}
.nav-drawer .drawer-nav{display:flex;flex-direction:column;gap:4px;border-left:2px solid rgba(25,224,200,.35);padding-left:16px}
.nav-drawer .drawer-nav a{
  display:block;padding:14px 4px;font-size:17px;color:var(--text-2);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.nav-drawer .drawer-nav a:hover{color:var(--brand);padding-left:8px}
.nav-drawer .drawer-nav a.active{color:var(--text-1)}
.nav-drawer .drawer-cta{margin-top:26px;display:block;width:100%;text-align:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#04211E;box-shadow:var(--glow-brand)}
.btn-primary:hover{background:#40EDD8;color:#04211E;box-shadow:0 0 0 1px rgba(25,224,200,.4),0 18px 50px -14px rgba(25,224,200,.66)}
.btn-primary:active{background:var(--brand-deep);transform:translateY(0)}
.btn-outline{background:transparent;border-color:rgba(25,224,200,.55);color:var(--brand)}
.btn-outline:hover{background:rgba(25,224,200,.1);color:#5FF0DD}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-2)}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--text-1);background:rgba(255,255,255,.03)}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:12px}
.btn-pill{border-radius:var(--r-pill)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14.5px;font-weight:600;
}
.btn-link::after{content:"→";transition:transform .2s var(--ease)}
.btn-link:hover::after{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-brand{background:rgba(25,224,200,.1);color:var(--brand);border:1px solid rgba(25,224,200,.28)}
.badge-time{background:rgba(255,176,32,.15);color:var(--data);border:1px solid rgba(255,176,32,.25)}
.badge-live{background:rgba(255,77,141,.12);color:var(--accent);border:1px solid rgba(255,77,141,.32)}
.badge-live .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,77,141,.55)}70%{box-shadow:0 0 0 8px rgba(255,77,141,0)}100%{box-shadow:0 0 0 0 rgba(255,77,141,0)}}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--text-2);font-size:13.5px;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{border-color:rgba(25,224,200,.45);color:var(--brand);transform:translateY(-1px)}

/* ---------- article layout ---------- */
.article-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 380px at 88% -12%,rgba(25,224,200,.14),transparent 62%),
    radial-gradient(700px 320px at 4% 0%,rgba(255,77,141,.10),transparent 60%),
    var(--bg-1);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero-inner{position:relative;z-index:2;padding:50px 0 54px;max-width:900px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(122,163,255,.4)}
.breadcrumb .current{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:40px;line-height:1.22;font-weight:800;letter-spacing:-.01em;
  margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.article-meta .meta-time{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--data);letter-spacing:.02em}
.article-meta .meta-dot{color:rgba(122,163,255,.35)}
.article-meta .meta-link{color:var(--text-2)}
.article-meta .meta-link:hover{color:var(--brand)}

.article-main{padding:56px 0 0}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-cover{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-2);margin-bottom:36px;position:relative;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover .cover-cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;font-size:13px;color:var(--text-2);
  background:linear-gradient(180deg,rgba(7,11,18,0),rgba(7,11,18,.86));
}
.article-body{max-width:76ch;font-size:16px;line-height:1.9;color:var(--text-2);overflow-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:28px;line-height:1.35;margin:2em 0 .7em;padding-left:15px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(25,224,200,.65);
}
.article-body h3{font-size:20px;line-height:1.5;margin:1.6em 0 .55em}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;color:var(--text-1)}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em}
.article-body li{margin:.42em 0}
.article-body strong{color:var(--text-1)}
.article-body a{border-bottom:1px solid rgba(25,224,200,.35)}
.article-body img{width:100%;border-radius:var(--r-sm);margin:1.4em 0}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:-.8em}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--bg-2);
  border-left:3px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;
  background:rgba(255,255,255,.05);padding:2px 6px;border-radius:6px;color:var(--brand);
}
.article-body pre{
  overflow-x:auto;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;margin:1.6em 0;
}
.article-body pre code{background:none;padding:0;color:var(--text-2)}
.article-body .table-wrap{overflow-x:auto;margin:1.6em 0;border:1px solid var(--line);border-radius:var(--r-sm)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body th,.article-body td{padding:11px 15px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{color:var(--text-1);background:rgba(255,255,255,.03);font-weight:600}
.article-body tbody tr:nth-child(odd){background:rgba(255,255,255,.02)}
.article-body tbody tr:last-child td{border-bottom:none}

.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);background:var(--bg-1);
  padding:56px 28px;text-align:center;max-width:620px;
}
.empty-title{font-size:20px;font-weight:700;color:var(--text-1);margin-bottom:10px}
.empty-text{font-size:15px;color:var(--text-3);margin-bottom:24px}

.article-foot{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.foot-label{font-size:13px;color:var(--text-3);margin-bottom:12px;letter-spacing:.04em}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);font-size:14px;
  transition:border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.share-btn:hover{border-color:rgba(25,224,200,.5);color:var(--brand);box-shadow:0 0 0 1px rgba(25,224,200,.2),0 12px 30px -16px rgba(25,224,200,.6);transform:translateY(-1px)}
.share-btn.is-done{border-color:rgba(25,224,200,.6);color:var(--brand)}

/* ---------- sidebar ---------- */
.side-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;margin-bottom:20px;box-shadow:var(--shadow-card);
}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-card p{font-size:14px;color:var(--text-3);line-height:1.8}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-top:1px solid var(--line);padding:12px 0}
.side-list li:first-child{border-top:none;padding-top:0}
.side-list a{font-size:14.5px;color:var(--text-2);display:block;line-height:1.7}
.side-list a:hover{color:var(--brand)}
.side-list .side-meta{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px;font-family:ui-monospace,Menlo,Consolas,monospace}
.side-cta{background:linear-gradient(160deg,rgba(25,224,200,.12),rgba(255,255,255,.02));border-color:rgba(25,224,200,.28)}
.side-cta .btn{width:100%;margin-top:14px}

/* ---------- related ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:28px;line-height:1.35}
.section-head .section-sub{font-size:14.5px;color:var(--text-3);margin-top:8px;max-width:64ch}
.related-grid{display:grid;gap:18px}
.related-item{
  display:grid;grid-template-columns:168px minmax(0,1fr);gap:18px;align-items:center;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.related-item:hover{border-color:rgba(25,224,200,.4);transform:translateY(-2px);box-shadow:0 20px 46px -26px rgba(25,224,200,.6)}
.related-item .thumb{border-radius:var(--r-sm);overflow:hidden;background:var(--bg-1)}
.related-item .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.related-item h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.related-item h3 a{color:var(--text-1)}
.related-item h3 a:hover{color:var(--brand)}
.related-item p{font-size:14px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.related-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3)}
.related-meta .time{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--data)}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:72px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:30px 28px;border-radius:var(--r-card);
  background:linear-gradient(150deg,rgba(25,224,200,.14),rgba(255,255,255,.02));
  border:1px solid rgba(25,224,200,.3);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cta-band h2{font-size:24px;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:88px;padding:60px 0 26px}
.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:700;color:var(--text-1);margin-bottom:14px}
.footer-note{font-size:14.5px;color:var(--text-3);line-height:1.9;max-width:40ch}
.footer-col h3{font-size:15px;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .main-nav{gap:18px}
  .nav-link{font-size:14px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-sm{display:none}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:40px}
  .hero-inner{padding:42px 0 46px}
}
@media (max-width:768px){
  .article-title{font-size:30px}
  .article-body h2{font-size:24px}
  .section-head h2,.cta-band h2{font-size:23px}
  .section{padding:56px 0 0}
  .site-footer{margin-top:64px;padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .related-item{grid-template-columns:132px minmax(0,1fr);gap:14px}
  .cta-band{padding:24px 20px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .article-title{font-size:26px}
  .article-hero{padding-top:6px}
  .hero-inner{padding:32px 0 36px}
  .article-meta{font-size:12.5px;gap:10px}
  .related-item{grid-template-columns:1fr}
  .related-item .thumb img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B12;
  --bg-1:#0C1220;
  --bg-2:#121A2B;
  --line:rgba(122,163,255,.14);
  --brand:#19E0C8;
  --brand-deep:#0B8F86;
  --accent:#FF4D8D;
  --data:#FFB020;
  --danger:#FF6B6B;
  --text-1:#E8EEF8;
  --text-2:#9AA9C2;
  --text-3:#66748E;
  --r-card:20px;
  --r-sm:14px;
  --r-pill:999px;
  --glow:0 0 0 1px rgba(25,224,200,.25), 0 14px 44px -14px rgba(25,224,200,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
.site-body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.site-body::before{
  content:"";
  position:fixed;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg,rgba(25,224,200,.85),rgba(25,224,200,0));
  z-index:80;
  pointer-events:none;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:#5df2e2;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(7,11,18,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:11px;height:11px;border-radius:3px;
  background:var(--brand);
  box-shadow:0 0 14px rgba(25,224,200,.9);
  transform:rotate(45deg);
  flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text-2);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--brand);
  border-radius:2px;
  transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{width:100%;}
.nav-link.active{
  color:var(--text-1);
  text-shadow:0 0 12px rgba(25,224,200,.55);
}
.nav-link.active::after{width:42%;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text-1);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{border-color:rgba(25,224,200,.45);color:var(--brand);}
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(7,11,18,.94);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-left:1px solid rgba(25,224,200,.3);
  padding:28px 24px;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav-drawer.open{transform:translateX(0);}
.nav-drawer a{
  display:block;
  padding:14px 4px;
  font-size:17px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.active{color:var(--brand);}
.nav-close{
  align-self:flex-end;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-1);
  font-size:18px;
  cursor:pointer;
  margin-bottom:18px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background:var(--brand);
  color:#04140F;
  box-shadow:var(--glow);
}
.btn-primary:hover{background:#41EFDC;color:#04140F;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(25,224,200,.4),0 18px 50px -14px rgba(25,224,200,.6);}
.btn-primary:active{background:var(--brand-deep);color:#EAFBF8;transform:translateY(0);}
.btn-outline{
  background:transparent;
  border-color:rgba(25,224,200,.45);
  color:var(--brand);
}
.btn-outline:hover{background:rgba(25,224,200,.08);border-color:var(--brand);transform:translateY(-1px);}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:var(--line);
  color:var(--text-2);
}
.btn-ghost:hover{border-color:rgba(122,163,255,.35);color:var(--text-1);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px;}
.btn:focus-visible,
.nav-link:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}
.btn[disabled]{opacity:.4;cursor:not-allowed;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
}
.text-link span{transition:transform .22s var(--ease);}
.text-link:hover span{transform:translateX(4px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  line-height:1.8;
}
.badge-brand{background:rgba(25,224,200,.1);color:var(--brand);border:1px solid rgba(25,224,200,.25);}
.badge-time{background:rgba(255,176,32,.15);color:var(--data);border:1px solid rgba(255,176,32,.28);}
.badge-live{background:rgba(255,77,141,.14);color:var(--accent);border:1px solid rgba(255,77,141,.35);}
.badge-live .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px var(--accent);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.4;transform:scale(.78);}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:76px 0 64px;
  background:
    linear-gradient(180deg,rgba(7,11,18,.86) 0%,rgba(7,11,18,.94) 60%,var(--bg-0) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero-inner{position:relative;z-index:2;}
.hero h1{
  margin-top:18px;
  font-size:44px;
  line-height:1.18;
  letter-spacing:-.01em;
  color:var(--text-1);
  font-weight:800;
}
.hero-sub{
  margin-top:18px;
  font-size:16px;
  color:var(--text-2);
  max-width:56ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.breadcrumb{
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .cur{color:var(--text-2);}

/* ---------- countdown card ---------- */
.glass-card{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-radius:var(--r-card);
}
.countdown-card{padding:24px;}
.cd-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.cd-title{font-size:15px;color:var(--text-1);font-weight:600;}
.cd-sub{font-size:13px;color:var(--text-3);margin-top:8px;}
.countdown{
  display:flex;
  align-items:flex-end;
  gap:8px;
  margin-top:20px;
  font-family:var(--mono);
}
.cd-cell{
  flex:1;
  text-align:center;
  background:rgba(255,176,32,.08);
  border:1px solid rgba(255,176,32,.2);
  border-radius:var(--r-sm);
  padding:10px 4px 8px;
}
.cd-num{
  display:block;
  font-size:26px;
  line-height:1.1;
  color:var(--data);
  font-weight:700;
  letter-spacing:-.02em;
}
.cd-lb{display:block;font-size:12px;color:var(--text-3);margin-top:4px;font-family:inherit;}
.cd-sep{color:rgba(255,176,32,.5);font-size:20px;padding-bottom:18px;}
.cd-meta{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.cd-meta strong{color:var(--text-1);font-weight:600;}

/* ---------- sections ---------- */
.section{padding:80px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:64ch;}
.section-head h2{
  font-size:28px;
  line-height:1.35;
  letter-spacing:-.01em;
  color:var(--text-1);
  font-weight:700;
}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:.05em;
}

/* ---------- stat bar ---------- */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  padding:20px 8px;
  border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  margin-top:-38px;
  position:relative;
  z-index:5;
}
.stat-item{
  padding:4px 20px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-family:var(--mono);
  font-size:26px;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:-.02em;
}
.stat-num em{font-style:normal;font-size:14px;color:var(--brand);margin-left:4px;}
.stat-lb{font-size:13px;color:var(--text-3);margin-top:4px;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";
  position:absolute;
  left:13px;top:8px;bottom:8px;
  width:1px;
  background:var(--line);
}
.tl-item{
  position:relative;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 22px;
  margin-bottom:16px;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-21px;
  top:30px;
  width:13px;height:13px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(25,224,200,.14),0 0 14px rgba(25,224,200,.85);
}
.tl-item:hover{
  border-color:rgba(25,224,200,.4);
  transform:translateY(-2px);
  box-shadow:0 18px 46px -22px rgba(25,224,200,.5);
}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tl-time{
  font-family:var(--mono);
  font-size:14px;
  color:var(--data);
  font-weight:600;
}
.tl-title{
  font-size:17px;
  line-height:1.55;
  color:var(--text-1);
  font-weight:600;
  margin-top:10px;
}
.tl-desc{font-size:14.5px;color:var(--text-2);margin-top:8px;max-width:70ch;}
.tl-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- key cards ---------- */
.key-stack{display:flex;flex-direction:column;gap:16px;}
.key-card{padding:20px 22px;}
.key-card h3{
  font-size:16px;
  line-height:1.6;
  color:var(--text-1);
  font-weight:600;
  display:flex;
  align-items:center;
  gap:10px;
}
.key-num{
  font-family:var(--mono);
  font-size:12px;
  color:var(--brand);
  border:1px solid rgba(25,224,200,.35);
  border-radius:6px;
  padding:1px 7px;
}
.key-card p{font-size:14.5px;color:var(--text-2);margin-top:10px;}
.key-list{margin-top:12px;}
.key-list li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  color:var(--text-2);
  line-height:2;
}
.key-list li::before{
  content:"";
  position:absolute;
  left:0;top:14px;
  width:6px;height:6px;
  border-radius:50%;
  background:rgba(25,224,200,.6);
}

/* ---------- subscribe form ---------- */
.subscribe-wrap{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:32px;
  align-items:center;
  padding:36px;
  border-radius:var(--r-card);
}
.form-row{display:flex;gap:12px;margin-top:24px;}
.form-field{flex:1;}
.form-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.form-input{
  width:100%;
  height:48px;
  padding:0 16px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:var(--text-1);
  font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-input::placeholder{color:var(--text-3);}
.form-input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(25,224,200,.18);
}
.form-tip{font-size:13px;color:var(--text-3);margin-top:12px;}
.form-msg{font-size:13.5px;color:var(--brand);margin-top:12px;display:none;}
.form-msg.show{display:block;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:32px;}
.faq-item{
  border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:16px;
  color:var(--text-1);
  font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;
  width:24px;height:24px;
  border-radius:8px;
  border:1px solid rgba(25,224,200,.35);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  transition:transform .24s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-body{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--text-2);
  max-width:72ch;
}

/* ---------- cta ---------- */
.cta-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:32px 36px;
  border-radius:var(--r-card);
}
.cta-bar h2{font-size:24px;color:var(--text-1);font-weight:700;letter-spacing:-.01em;}
.cta-bar p{font-size:14.5px;color:var(--text-2);margin-top:8px;max-width:52ch;}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--text-1);
}
.footer-note{
  font-size:14px;
  color:var(--text-2);
  line-height:1.9;
  margin-top:16px;
  max-width:36ch;
}
.footer-col h3{
  font-size:15px;
  color:var(--text-1);
  font-weight:600;
  margin-bottom:16px;
}
.footer-col li a{
  display:inline-block;
  font-size:14px;
  color:var(--text-2);
  line-height:2.15;
}
.footer-col li a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero h1{font-size:32px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);row-gap:18px;}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item{padding:4px 16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .subscribe-wrap{grid-template-columns:1fr;padding:28px;}
}
@media (max-width:768px){
  .hero{padding:56px 0 52px;}
  .hero h1{font-size:27px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:23px;}
  .cta-bar{padding:26px 22px;}
  .cta-bar h2{font-size:20px;}
  .form-row{flex-direction:column;}
  .form-row .btn{width:100%;}
  .timeline{padding-left:22px;}
  .timeline::before{left:9px;}
  .tl-item::before{left:-17px;width:11px;height:11px;}
  .tl-item{padding:18px;}
  .cd-num{font-size:21px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand{font-size:16px;}
  .stat-bar{grid-template-columns:1fr 1fr;padding:16px 4px;}
  .stat-num{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cd-sep{display:none;}
  .countdown{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;}
  .cd-cell{padding:8px 4px 6px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
    --bg-0:#070B12;
    --bg-1:#0C1220;
    --bg-2:#121A2B;
    --line:rgba(122,163,255,.14);
    --brand:#19E0C8;
    --brand-deep:#0B8F86;
    --accent:#FF4D8D;
    --data:#FFB020;
    --danger:#FF6B6B;
    --text-1:#E8EEF8;
    --text-2:#9AA9C2;
    --text-3:#66748E;
    --radius:20px;
    --radius-sm:14px;
    --glow:0 0 0 1px rgba(25,224,200,.25),0 14px 44px -14px rgba(25,224,200,.45);
    --ease:cubic-bezier(.22,.61,.36,1);
    --container:1200px;
    --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    --font-mono:ui-monospace,Menlo,Consolas,monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}

  .page-body{
    margin:0;
    background:var(--bg-0);
    color:var(--text-2);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  .page-body img{max-width:100%;display:block;height:auto;}

  .page-body a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
  .page-body a:hover{color:#7FF3E4;}

  .page-body :focus-visible{
    outline:2px solid var(--brand);
    outline-offset:2px;
    border-radius:6px;
  }

  .page-body button{font-family:inherit;}

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

  .container-narrow{max-width:860px;margin:0 auto;padding:0 20px;width:100%;}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(7,11,18,.85);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }

  .neon-line{
    height:1px;
    background:linear-gradient(90deg,var(--brand) 0%,rgba(25,224,200,.25) 32%,rgba(7,11,18,0) 78%);
  }

  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    min-height:68px;
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text-1);
    font-size:18px;
    font-weight:700;
    letter-spacing:-.01em;
    white-space:nowrap;
  }

  .brand:hover{color:var(--text-1);}

  .brand-text{
    background:linear-gradient(92deg,#FFFFFF 12%,#9FF6EA 88%);
    -webkit-background-clip:text;
    background-clip:text;
    -webkit-text-fill-color:transparent;
  }

  .brand-mark{
    width:12px;
    height:12px;
    border-radius:4px;
    background:var(--brand);
    box-shadow:0 0 14px rgba(25,224,200,.85);
    flex:none;
  }

  .main-nav{
    display:flex;
    align-items:center;
    gap:26px;
    flex:1 1 auto;
    justify-content:center;
  }

  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:68px;
    color:var(--text-2);
    font-size:15px;
    font-weight:500;
    white-space:nowrap;
  }

  .nav-link::after{
    content:"";
    position:absolute;
    left:0;
    bottom:18px;
    height:2px;
    width:100%;
    border-radius:2px;
    background:var(--brand);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .22s var(--ease);
  }

  .nav-link:hover{color:var(--text-1);}
  .nav-link:hover::after{transform:scaleX(1);}

  .nav-link.active{
    color:var(--text-1);
    text-shadow:0 0 12px rgba(25,224,200,.35);
  }

  .nav-link.active::after{
    width:40%;
    transform:scaleX(1);
    box-shadow:0 0 12px rgba(25,224,200,.65);
  }

  .header-actions{display:flex;align-items:center;gap:12px;}

  .nav-toggle{
    display:none;
    width:44px;
    height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:rgba(18,26,43,.7);
    cursor:pointer;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }

  .nav-toggle:hover{border-color:rgba(25,224,200,.5);}
  .nav-toggle-bar{width:18px;height:2px;border-radius:2px;background:var(--text-1);display:block;}

  /* ---------- drawer ---------- */
  .drawer{
    position:fixed;
    inset:0;
    z-index:80;
    display:none;
    background:rgba(7,11,18,.94);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-left:2px solid var(--brand);
  }

  .drawer-open .drawer{display:block;}

  .drawer-inner{
    display:flex;
    flex-direction:column;
    height:100%;
    padding:22px 20px 40px;
  }

  .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}

  .drawer-close{
    width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);
    background:transparent;
    color:var(--text-1);
    font-size:20px;
    line-height:1;
    cursor:pointer;
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .drawer-close:hover{border-color:var(--brand);color:var(--brand);}

  .drawer-nav{display:flex;flex-direction:column;gap:6px;}

  .drawer-link{
    display:block;
    padding:14px 12px;
    border-radius:12px;
    color:var(--text-2);
    font-size:16px;
    border-left:2px solid transparent;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }

  .drawer-link:hover{background:rgba(25,224,200,.08);color:var(--text-1);}
  .drawer-link.active{border-left-color:var(--brand);color:var(--text-1);background:rgba(25,224,200,.08);}

  .drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 22px;
    border-radius:var(--radius-sm);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    letter-spacing:0;
    cursor:pointer;
    text-align:center;
    transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  }

  .btn-primary{
    background:var(--brand);
    color:#04211E;
    box-shadow:var(--glow);
  }
  .btn-primary:hover{
    background:#3BEFDA;
    color:#04211E;
    transform:translateY(-1px);
    box-shadow:0 0 0 1px rgba(25,224,200,.4),0 18px 50px -12px rgba(25,224,200,.62);
  }
  .btn-primary:active{background:var(--brand-deep);color:#EAFBF8;transform:translateY(0);}

  .btn-outline{
    background:transparent;
    border-color:var(--brand);
    color:var(--brand);
  }
  .btn-outline:hover{background:rgba(25,224,200,.1);color:#7FF3E4;transform:translateY(-1px);}
  .btn-outline:active{background:rgba(11,143,134,.35);transform:translateY(0);}

  .btn-ghost{
    background:transparent;
    border-color:var(--line);
    color:var(--text-2);
  }
  .btn-ghost:hover{border-color:var(--brand);color:var(--text-1);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}

  .btn-sm{height:40px;padding:0 16px;font-size:14px;}
  .btn-pill{border-radius:999px;}
  .btn-block{width:100%;}
  .btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

  .link-more{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--brand);
    font-size:14px;
    font-weight:600;
  }
  .link-more::after{content:"→";transition:transform .2s var(--ease);}
  .link-more:hover::after{transform:translateX(4px);}

  /* ---------- badges ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:26px;
    padding:0 11px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    line-height:1;
  }
  .badge-brand{background:rgba(25,224,200,.1);color:var(--brand);border:1px solid rgba(25,224,200,.28);}
  .badge-time{background:rgba(255,176,32,.15);color:var(--data);border:1px solid rgba(255,176,32,.28);}
  .badge-live{background:rgba(255,77,141,.14);color:var(--accent);border:1px solid rgba(255,77,141,.3);}
  .dot-live{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(255,77,141,.9);animation:pulse 1.8s infinite;}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}

  /* ---------- glass ---------- */
  .glass{
    background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,.08);
  }

  /* ---------- hero ---------- */
  .page-hero{
    position:relative;
    isolation:isolate;
    padding:56px 0 64px;
    background:var(--bg-1);
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }

  .page-hero-bg{
    position:absolute;
    inset:0;
    z-index:-1;
    background-image:linear-gradient(105deg,rgba(7,11,18,.94) 12%,rgba(7,11,18,.72) 52%,rgba(7,11,18,.9) 100%),url("/assets/images/backpic/back-1.webp");
    background-size:cover;
    background-position:center;
    opacity:.9;
  }

  .page-hero-bg::after{
    content:"";
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
    background-size:46px 46px;
    mask-image:radial-gradient(120% 90% at 78% 20%,#000 0%,transparent 72%);
    -webkit-mask-image:radial-gradient(120% 90% at 78% 20%,#000 0%,transparent 72%);
  }

  .scanline{
    position:absolute;
    left:0;
    right:0;
    height:120px;
    z-index:-1;
    background:linear-gradient(180deg,rgba(25,224,200,0),rgba(25,224,200,.07),rgba(25,224,200,0));
    animation:scan 8s linear infinite;
    pointer-events:none;
  }

  @keyframes scan{
    0%{top:-140px;}
    100%{top:120%;}
  }

  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-3);
    margin-bottom:22px;
    flex-wrap:wrap;
  }
  .breadcrumb a{color:var(--text-3);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:var(--text-3);opacity:.6;}
  .breadcrumb .current{color:var(--text-2);}

  .hero-title{
    margin:16px 0 0;
    color:var(--text-1);
    font-size:clamp(26px,4.2vw,40px);
    line-height:1.32;
    font-weight:700;
    letter-spacing:-.01em;
    max-width:20ch;
  }

  .hero-sub{
    margin:18px 0 0;
    color:var(--text-2);
    font-size:16px;
    line-height:1.8;
    max-width:56ch;
  }

  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

  .hero-points{
    list-style:none;
    margin:38px 0 0;
    padding:0;
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:0 28px;
    border-top:1px solid var(--line);
    padding-top:22px;
    max-width:940px;
  }

  .hero-points li{
    display:flex;
    gap:12px;
    padding:6px 0;
    color:var(--text-2);
    font-size:14px;
    line-height:1.7;
  }

  .hero-points .idx{
    font-family:var(--font-mono);
    font-size:13px;
    color:var(--brand);
    padding-top:1px;
    flex:none;
  }

  /* ---------- sections ---------- */
  .section{padding:88px 0;}
  .section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-tight{padding:0 0 8px;}
  .section-head{margin-bottom:38px;max-width:72ch;}

  .section-title{
    margin:0;
    color:var(--text-1);
    font-size:clamp(22px,3vw,28px);
    line-height:1.4;
    font-weight:700;
    letter-spacing:-.01em;
  }

  .section-desc{
    margin:14px 0 0;
    color:var(--text-2);
    font-size:15px;
    line-height:1.8;
  }

  .eyebrow{
    display:inline-block;
    margin-bottom:12px;
    font-size:13px;
    font-weight:600;
    letter-spacing:.08em;
    color:var(--brand);
    text-transform:uppercase;
  }

  /* ---------- stat bar ---------- */
  .stat-bar{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    border-radius:var(--radius);
    padding:22px 8px;
    margin-top:-42px;
    position:relative;
    z-index:5;
  }

  .stat-cell{padding:8px 22px;border-left:1px solid var(--line);}
  .stat-cell:first-child{border-left:0;}

  .stat-num{
    font-family:var(--font-mono);
    font-size:clamp(22px,2.6vw,28px);
    font-weight:700;
    color:var(--brand);
    letter-spacing:-.02em;
    line-height:1.2;
  }

  .stat-num.data{color:var(--data);}

  .stat-label{margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.6;}

  /* ---------- alternating rows ---------- */
  .alt-row{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:56px;
    align-items:center;
    padding:44px 0;
    border-top:1px solid var(--line);
  }

  .alt-row:first-of-type{border-top:0;padding-top:0;}

  .alt-row.reverse .alt-media{order:2;}

  .alt-media{
    position:relative;
    border-radius:var(--radius);
    overflow:hidden;
    border:1px solid var(--line);
    aspect-ratio:5/4;
    background:var(--bg-2);
  }

  .alt-media img{width:100%;height:100%;object-fit:cover;}

  .alt-media::after{
    content:"";
    position:absolute;
    inset:auto 0 0 0;
    height:44%;
    background:linear-gradient(180deg,rgba(7,11,18,0),rgba(7,11,18,.72));
    pointer-events:none;
  }

  .alt-tag{
    position:absolute;
    left:16px;
    bottom:16px;
    z-index:2;
    font-size:12px;
    font-weight:600;
    color:var(--text-1);
    background:rgba(7,11,18,.68);
    border:1px solid var(--line);
    border-radius:999px;
    padding:5px 12px;
    backdrop-filter:blur(8px);
  }

  .alt-body h3{
    margin:0 0 14px;
    color:var(--text-1);
    font-size:20px;
    line-height:1.5;
    font-weight:700;
  }

  .alt-body p{margin:0 0 14px;font-size:15px;line-height:1.85;max-width:64ch;}
  .alt-body p:last-of-type{margin-bottom:0;}

  .checklist{
    list-style:none;
    margin:20px 0 0;
    padding:0;
    display:grid;
    gap:10px;
  }

  .checklist li{
    position:relative;
    padding-left:26px;
    font-size:14px;
    color:var(--text-2);
    line-height:1.7;
  }

  .checklist li::before{
    content:"";
    position:absolute;
    left:0;
    top:9px;
    width:12px;
    height:12px;
    border-radius:4px;
    border:1px solid var(--brand);
    background:rgba(25,224,200,.14);
    box-shadow:0 0 10px rgba(25,224,200,.32);
  }

  /* ---------- cards ---------- */
  .card-grid{display:grid;gap:24px;}
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}

  .card{
    display:flex;
    flex-direction:column;
    background:var(--bg-2);
    border:1px solid var(--line);
    border-radius:var(--radius);
    overflow:hidden;
    transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  }

  .card:hover{
    transform:translateY(-2px);
    border-color:rgba(25,224,200,.42);
    box-shadow:0 0 0 1px rgba(25,224,200,.18),0 20px 46px -22px rgba(25,224,200,.5);
  }

  .card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
  .card:hover .card-media img{transform:scale(1.04);}

  .card-media::after{
    content:"";
    position:absolute;
    inset:auto 0 0 0;
    height:52%;
    background:linear-gradient(180deg,rgba(7,11,18,0),rgba(7,11,18,.78));
  }

  .card-tag{position:absolute;left:14px;bottom:14px;z-index:2;}

  .card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}

  .card-title{
    margin:0;
    color:var(--text-1);
    font-size:17px;
    line-height:1.55;
    font-weight:700;
  }

  .card-text{margin:0;font-size:14px;color:var(--text-2);line-height:1.8;}

  .card-meta{
    margin-top:auto;
    display:flex;
    align-items:center;
    gap:12px;
    font-size:13px;
    color:var(--text-3);
    font-family:var(--font-mono);
  }

  /* ---------- faq ---------- */
  .faq-item{
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .22s var(--ease);
  }

  .faq-item:hover{border-color:rgba(25,224,200,.34);}

  .faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:18px 20px;
    cursor:pointer;
    list-style:none;
    color:var(--text-1);
    font-size:16px;
    font-weight:600;
    line-height:1.6;
  }

  .faq-item summary::-webkit-details-marker{display:none;}

  .faq-sign{
    flex:none;
    width:26px;
    height:26px;
    border-radius:8px;
    border:1px solid var(--line);
    color:var(--brand);
    font-size:15px;
    line-height:1;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    transition:transform .22s var(--ease),border-color .22s var(--ease);
  }

  .faq-item[open] .faq-sign{transform:rotate(180deg);border-color:rgba(25,224,200,.5);}

  .faq-body{
    padding:0 20px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--text-2);
    max-width:70ch;
  }

  /* ---------- dual glass ---------- */
  .dual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}

  .glass-card{
    border-radius:var(--radius);
    padding:26px;
    background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,.08);
  }

  .glass-card h3{
    margin:0 0 18px;
    color:var(--text-1);
    font-size:18px;
    font-weight:700;
  }

  .plain-list{list-style:none;margin:0;padding:0;display:grid;gap:0;}

  .plain-list li{
    display:flex;
    gap:12px;
    padding:13px 0;
    border-top:1px solid var(--line);
    font-size:14px;
    line-height:1.7;
  }

  .plain-list li:first-child{border-top:0;padding-top:0;}

  .plain-list .mark{
    flex:none;
    font-family:var(--font-mono);
    font-size:13px;
    color:var(--data);
    padding-top:2px;
  }

  .plain-list a{font-size:14px;font-weight:600;}

  .back-row{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

  /* ---------- subscribe + cta ---------- */
  .cta-bar{
    border-radius:var(--radius);
    padding:38px;
    display:grid;
    grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
    gap:34px;
    align-items:center;
    position:relative;
    overflow:hidden;
  }

  .cta-bar::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:linear-gradient(105deg,rgba(7,11,18,.86),rgba(7,11,18,.94)),url("/assets/images/backpic/back-3.png");
    background-size:cover;
    background-position:center;
    opacity:.9;
    z-index:-1;
  }

  .cta-title{
    margin:0;
    color:var(--text-1);
    font-size:clamp(20px,2.6vw,24px);
    line-height:1.5;
    font-weight:700;
  }

  .cta-desc{margin:12px 0 0;font-size:15px;color:var(--text-2);line-height:1.8;max-width:52ch;}

  .field-label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;}

  .field-row{display:flex;gap:12px;align-items:stretch;}

  .input{
    flex:1 1 auto;
    height:48px;
    padding:0 16px;
    border-radius:var(--radius-sm);
    border:1px solid var(--line);
    background:var(--bg-1);
    color:var(--text-1);
    font-size:15px;
    font-family:inherit;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }

  .input::placeholder{color:var(--text-3);}

  .input:focus{
    outline:none;
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(25,224,200,.18);
  }

  .form-note{margin-top:10px;font-size:13px;color:var(--text-3);line-height:1.7;}

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:88px;
    background:var(--bg-1);
    border-top:1px solid var(--line);
    padding:56px 0 26px;
  }

  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:36px;
  }

  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:var(--text-1);
    font-size:17px;
    font-weight:700;
    margin-bottom:14px;
  }

  .footer-note{margin:0;font-size:14px;color:var(--text-3);line-height:1.8;max-width:40ch;}

  .footer-col h3{
    margin:0 0 14px;
    color:var(--text-1);
    font-size:15px;
    font-weight:700;
  }

  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}

  .footer-col a{color:var(--text-3);font-size:14px;}
  .footer-col a:hover{color:var(--brand);}

  .footer-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    justify-content:space-between;
    font-size:13px;
    color:var(--text-3);
  }

  .footer-bottom a{color:var(--text-3);}
  .footer-bottom a:hover{color:var(--brand);}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .main-nav{display:none;}
    .nav-toggle{display:inline-flex;}
    .section{padding:64px 0;}
    .alt-row{gap:36px;padding:34px 0;}
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:8px;}
    .stat-cell:nth-child(3){border-left:0;}
    .stat-cell:nth-child(3),.stat-cell:nth-child(4){border-top:1px solid var(--line);padding-top:16px;margin-top:8px;}
    .cta-bar{grid-template-columns:minmax(0,1fr);padding:30px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .site-footer{margin-top:64px;}
  }

  @media (max-width:768px){
    .hero-title{max-width:100%;}
    .hero-points{grid-template-columns:minmax(0,1fr);gap:0;}
    .hero-points li{border-top:1px solid var(--line);}
    .hero-points li:first-child{border-top:0;}
    .alt-row{grid-template-columns:minmax(0,1fr);gap:22px;}
    .alt-row.reverse .alt-media{order:0;}
    .dual-grid{grid-template-columns:minmax(0,1fr);}
    .grid-3{grid-template-columns:minmax(0,1fr);}
    .field-row{flex-direction:column;}
    .field-row .btn{width:100%;}
    .container{padding:0 16px;}
    .container-narrow{padding:0 16px;}
    .page-hero{padding:40px 0 48px;}
  }

  @media (max-width:520px){
    .page-body{font-size:15px;}
    .section{padding:52px 0;}
    .stat-bar{padding:18px 6px;}
    .stat-cell{padding:6px 14px;}
    .glass-card{padding:20px;}
    .cta-bar{padding:24px 20px;}
    .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
    .header-actions .btn{display:none;}
    .footer-bottom{flex-direction:column;}
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
    .scanline{display:none;}
  }

/* roulang page: category3 */
:root{
  --bg-0:#070B12;
  --bg-1:#0C1220;
  --bg-2:#121A2B;
  --line:rgba(122,163,255,.14);
  --line-strong:rgba(122,163,255,.3);
  --brand:#19E0C8;
  --brand-deep:#0B8F86;
  --accent:#FF4D8D;
  --data:#FFB020;
  --danger:#FF6B6B;
  --text-1:#E8EEF8;
  --text-2:#9AA9C2;
  --text-3:#66748E;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-pill:999px;
  --glass:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  --shadow-card:0 18px 40px -22px rgba(0,0,0,.85);
  --shadow-glow:0 0 0 1px rgba(25,224,200,.25),0 14px 44px -14px rgba(25,224,200,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg,rgba(25,224,200,.9),rgba(25,224,200,.1) 45%,transparent);
  z-index:80;
  pointer-events:none;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--text-1)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--text-1);margin:0;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:84px 0}
.section-alt{background:var(--bg-1)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:28px;line-height:1.36}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:70ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand);
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(25,224,200,.1);border:1px solid rgba(25,224,200,.22);
  margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(7,11,18,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:68px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text-1);font-size:18px;font-weight:700;letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:16px;height:16px;border-radius:5px;
  background:linear-gradient(135deg,var(--brand),#0e6e88);
  box-shadow:0 0 0 1px rgba(25,224,200,.5),0 0 16px rgba(25,224,200,.6);
  flex:none;
}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;color:var(--text-2);
  border-radius:10px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text-1);text-shadow:0 0 14px rgba(25,224,200,.5)}
.nav-link.active::after{transform:scaleX(.42)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:transparent;border:1px solid var(--line);color:var(--text-1);
  cursor:pointer;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(25,224,200,.5);background:rgba(25,224,200,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(7,11,18,.96);
  backdrop-filter:blur(16px);
  border-left:3px solid var(--brand);
  padding:24px 22px 40px;
  display:none;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:42px;height:42px;border-radius:12px;background:transparent;
  border:1px solid var(--line);color:var(--text-1);font-size:22px;line-height:1;
  cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer .nav-link{display:block;padding:16px 14px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0}
.drawer .nav-link::after{display:none}
.drawer .nav-link.active{color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:var(--brand);color:#04211F;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{background:#3CEBD5;color:#04211F;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(25,224,200,.4),0 18px 50px -14px rgba(25,224,200,.7)}
.btn-primary:active{background:var(--brand-deep);color:#EAFBF8;transform:translateY(0)}
.btn-outline{
  background:transparent;border-color:rgba(25,224,200,.55);color:var(--brand);
}
.btn-outline:hover{background:rgba(25,224,200,.12);color:var(--text-1);transform:translateY(-1px)}
.btn-ghost{
  background:transparent;border-color:var(--line);color:var(--text-2);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--text-1);transform:translateY(-1px)}
.btn-pill{border-radius:var(--radius-pill)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;background:none;border:none;padding:6px 0;cursor:pointer;
}
.btn-text .arrow{transition:transform .2s var(--ease)}
.btn-text:hover{color:var(--text-1)}
.btn-text:hover .arrow{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;padding:6px 12px;border-radius:var(--radius-pill);
}
.badge-brand{background:rgba(25,224,200,.1);color:var(--brand);border:1px solid rgba(25,224,200,.24)}
.badge-time{background:rgba(255,176,32,.15);color:var(--data);border:1px solid rgba(255,176,32,.26)}
.badge-live{background:rgba(255,77,141,.14);color:var(--accent);border:1px solid rgba(255,77,141,.3)}
.pulse-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(1.5)}}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:64px 0 76px;
  background:
    radial-gradient(900px 420px at 82% -10%,rgba(25,224,200,.14),transparent 62%),
    radial-gradient(700px 380px at 8% 110%,rgba(255,77,141,.08),transparent 60%),
    var(--bg-0);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 78% 20%,#000,transparent 68%);
  -webkit-mask-image:radial-gradient(circle at 78% 20%,#000,transparent 68%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{margin:0 8px;color:var(--text-3)}
.breadcrumb .current{color:var(--text-2)}
.hero h1{font-size:40px;line-height:1.24}
.hero h1 .hl{color:var(--brand)}
.hero-lead{margin-top:20px;font-size:16px;color:var(--text-2);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:16/9;background:var(--bg-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-media .overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,18,.15),rgba(7,11,18,.86));
  display:flex;flex-direction:column;justify-content:flex-end;gap:10px;padding:22px;
}
.hero-media .overlay strong{color:var(--text-1);font-size:17px}
.hero-media .overlay span{font-size:13px;color:var(--text-2)}
.hero-media .live-tag{position:absolute;top:16px;left:16px}

/* 数据条 */
.stat-strip{
  margin-top:44px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  padding:22px 26px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.stat-strip .stat{display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--line);padding-left:20px}
.stat-strip .stat:first-child{border-left:none;padding-left:0}
.stat-value{font-family:var(--font-mono);font-size:24px;color:var(--brand);letter-spacing:-.02em}
.stat-label{font-size:13px;color:var(--text-3)}

/* ============ 对比卡（看点速览） ============ */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.compare-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;display:flex;flex-direction:column;gap:16px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.compare-card:hover{transform:translateY(-2px);border-color:rgba(25,224,200,.45);box-shadow:var(--shadow-glow)}
.compare-card h3{font-size:17px}
.compare-card .desc{font-size:14.5px;color:var(--text-2);min-height:52px}
.rating{display:flex;flex-direction:column;gap:8px}
.rating-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.rating-bar{height:6px;border-radius:var(--radius-pill);background:rgba(255,255,255,.07);overflow:hidden}
.rating-bar i{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--brand-deep),var(--brand))}
.rating-bar.data i{background:linear-gradient(90deg,#8a5a00,var(--data))}
.compare-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px}
.compare-meta .num{font-family:var(--font-mono);font-size:13px;color:var(--data)}

/* ============ 非对称卡片墙 ============ */
.wall{display:grid;grid-template-columns:repeat(8,1fr);gap:20px}
.wall-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--bg-2);border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.wall-card:hover{transform:translateY(-2px);border-color:rgba(25,224,200,.45);box-shadow:var(--shadow-glow)}
.wall-card .thumb{position:relative;overflow:hidden;background:var(--bg-1)}
.wall-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.wall-card:hover .thumb img{transform:scale(1.04)}
.wall-card .thumb::after{content:"";position:absolute;inset:auto 0 0 0;height:56%;background:linear-gradient(180deg,transparent,rgba(7,11,18,.78))}
.wall-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.wall-card .body h3{font-size:17px}
.wall-card .body p{font-size:14.5px;color:var(--text-2)}
.wall-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.card-feature{grid-column:span 4;grid-row:span 2}
.card-feature .thumb{aspect-ratio:16/9}
.card-feature .body h3{font-size:20px}
.card-mini{grid-column:span 2}
.card-mini .thumb{aspect-ratio:1/1}
.card-mini.wide .thumb{aspect-ratio:16/9}
.card-mini .body h3{font-size:15.5px;line-height:1.5}
.card-mini .body p{font-size:13.5px}

/* ============ 对比清单 ============ */
.compare-list{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-1)}
.compare-list .row{
  display:grid;grid-template-columns:1.2fr 1fr .8fr .8fr .9fr;gap:16px;
  padding:16px 22px;align-items:center;font-size:14.5px;
  border-top:1px solid var(--line);
  transition:background .2s var(--ease);
}
.compare-list .row:first-child{border-top:none}
.compare-list .head{background:rgba(255,255,255,.03);color:var(--text-3);font-size:13px;letter-spacing:.02em}
.compare-list .row:not(.head):hover{background:rgba(25,224,200,.05)}
.compare-list .name{color:var(--text-1);font-weight:600}
.compare-list .mono{font-family:var(--font-mono);color:var(--data);font-size:13.5px}

/* ============ 清单推荐 + 反馈摘录 ============ */
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.checklist{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}
.checklist ul{display:flex;flex-direction:column;gap:14px;margin-top:16px}
.checklist li{display:flex;gap:12px;font-size:15px;color:var(--text-2)}
.checklist li .idx{
  font-family:var(--font-mono);font-size:12.5px;color:var(--brand);
  border:1px solid rgba(25,224,200,.3);border-radius:8px;
  padding:2px 8px;height:24px;display:inline-flex;align-items:center;flex:none;margin-top:3px;
}
.quotes{display:flex;flex-direction:column;gap:18px}
.quote-card{
  background:var(--glass);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);
  padding:22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.quote-card p{font-size:15px;color:var(--text-2)}
.quote-card .who{margin-top:14px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.quote-card .who .avatar{
  width:26px;height:26px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,rgba(25,224,200,.7),rgba(255,77,141,.5));
}

/* ============ 标签云 ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid rgba(255,255,255,.08);
  color:var(--text-2);font-size:14px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{color:var(--text-1);border-color:rgba(25,224,200,.5);transform:translateY(-1px)}
.tag .hash{color:var(--brand);font-family:var(--font-mono);font-size:13px}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--glass);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-md);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;color:var(--text-1);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .sign{
  width:24px;height:24px;flex:none;border-radius:50%;
  border:1px solid rgba(25,224,200,.4);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item[open] .sign{transform:rotate(180deg);background:rgba(25,224,200,.14)}
.faq-item .answer{padding:0 22px 20px;font-size:15px;color:var(--text-2);max-width:70ch}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:28px 30px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(25,224,200,.12),rgba(255,77,141,.08));
  border:1px solid rgba(25,224,200,.24);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.cta-bar h2{font-size:22px}
.cta-bar p{font-size:14.5px;color:var(--text-2);margin-top:8px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text-1);font-size:17px;font-weight:700;margin-bottom:14px}
.footer-note{font-size:14px;color:var(--text-3);max-width:44ch}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text-1)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:48px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px}
  .section{padding:64px 0}
  .compare-grid{grid-template-columns:1fr 1fr}
  .wall{grid-template-columns:repeat(4,1fr)}
  .card-feature{grid-column:span 4;grid-row:auto}
  .card-mini{grid-column:span 2}
  .two-col{grid-template-columns:1fr}
  .compare-list .row{grid-template-columns:1.2fr 1fr .8fr;gap:12px}
  .compare-list .row .hide-md{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .hero h1{font-size:28px}
  .section{padding:52px 0}
  .section-head h2{font-size:24px}
  .stat-strip{grid-template-columns:1fr;gap:16px}
  .stat-strip .stat{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:14px}
  .stat-strip .stat:first-child{border-top:none;padding-top:0}
  .compare-grid{grid-template-columns:1fr}
  .wall{grid-template-columns:repeat(2,1fr)}
  .card-feature{grid-column:span 2}
  .card-mini{grid-column:span 1}
  .card-mini .thumb{aspect-ratio:1/1}
  .cta-bar{padding:24px 22px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .wall{grid-template-columns:1fr}
  .card-feature,.card-mini{grid-column:span 1}
  .card-mini .thumb{aspect-ratio:16/9}
  .compare-list .row{grid-template-columns:1fr .8fr;font-size:14px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}