/* roulang page: index */
:root{
  --bg:#080A0A;
  --bg-2:#0E1211;
  --panel:#131817;
  --panel-2:#1A211F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#12F0A0;
  --primary-deep:#0A7C55;
  --primary-glow:rgba(18,240,160,.35);
  --accent:#FF6A2B;
  --accent-deep:#C7460F;
  --text:#F2F5F4;
  --text-2:#9AA5A2;
  --text-3:#6B7674;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 60px rgba(0,0,0,.5);
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.55;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
}
body::after{
  content:"";position:fixed;top:-320px;left:50%;transform:translateX(-50%);
  width:1100px;height:620px;pointer-events:none;z-index:0;
  background:radial-gradient(ellipse at center,rgba(18,240,160,.12),transparent 68%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:var(--primary);color:#04120D}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-title{font-size:28px;line-height:1.25}
.section-desc{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px}
.link-more{color:var(--primary);font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px}
.link-more i{transition:transform var(--dur) var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ======= 按钮 ======= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:800;letter-spacing:.01em;
  position:relative;overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#04120D;box-shadow:0 0 0 1px var(--primary-glow),0 10px 30px rgba(18,240,160,.18)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px var(--primary-glow),0 16px 36px rgba(18,240,160,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--line-strong);border-radius:var(--radius-s)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 0 0 1px var(--primary-glow)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-lg{padding:15px 36px;font-size:16px;width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none}
.btn.loading{pointer-events:none}
.btn.loading .btn-label{visibility:hidden}
.btn.loading::after{
  content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:50%;
  background:#04120D;transform:translate(-50%,-50%);
  box-shadow:14px 0 0 #04120D,-14px 0 0 #04120D;
  animation:dotpulse 900ms infinite ease-in-out;
}
@keyframes dotpulse{0%,100%{opacity:.35}50%{opacity:1}}

/* ======= 徽章 / 标签 ======= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:4px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.badge-primary{color:var(--primary);border-color:var(--primary-glow);background:rgba(18,240,160,.08)}
.badge-accent{color:var(--accent);border-color:rgba(255,106,43,.35);background:rgba(255,106,43,.08)}

/* ======= 顶部导航 ======= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,10,10,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:900;letter-spacing:-.02em;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04120D;font-size:15px;font-weight:900;
  box-shadow:0 0 0 1px var(--primary-glow),0 6px 18px rgba(18,240,160,.25);
}
.logo:hover .logo-mark{box-shadow:0 0 0 1px var(--primary-glow),0 8px 24px rgba(18,240,160,.42)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;padding:10px 18px;border-radius:var(--radius-s);
  color:var(--text-2);font-size:15px;font-weight:600;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-links a.active{color:var(--text);text-shadow:0 0 14px var(--primary-glow)}
.nav-links a.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:1px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px var(--primary-glow);
}
.nav-links a.active::before{
  content:"";position:absolute;left:7px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 8px var(--primary);
}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-s);
  border:1px solid var(--line-strong);align-items:center;justify-content:center;font-size:17px;color:var(--text);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* ======= 倒计时条 ======= */
.countdown-bar{
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(18,240,160,.07),transparent 58%);
  position:relative;z-index:1;
}
.countdown-inner{display:flex;align-items:center;gap:14px;height:44px;font-size:14px;color:var(--text-2);overflow:hidden}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);flex-shrink:0;animation:pulse 1.8s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(18,240,160,.5)}
  70%{box-shadow:0 0 0 10px rgba(18,240,160,0)}
  100%{box-shadow:0 0 0 0 rgba(18,240,160,0)}
}
.countdown-label{white-space:nowrap}
.countdown-time{
  font-variant-numeric:tabular-nums;font-weight:800;color:var(--primary);
  letter-spacing:.08em;font-size:15px;white-space:nowrap;
}
.countdown-time .sep{color:var(--text-3);margin:0 1px}
.countdown-link{margin-left:auto;color:var(--primary);font-size:13px;font-weight:700;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.countdown-link:hover{text-decoration:underline}
.countdown-link i{transition:transform var(--dur) var(--ease)}
.countdown-link:hover i{transform:translateX(3px)}

/* ======= Hero ======= */
.hero{padding:92px 0 88px;position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;letter-spacing:.14em;color:var(--primary);font-weight:700;
  border:1px solid var(--primary-glow);border-radius:var(--radius-pill);
  padding:6px 15px;margin-bottom:24px;background:rgba(18,240,160,.06);
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.hero h1{font-size:clamp(30px,4.4vw,58px);line-height:1.12;font-weight:900}
.hero h1 .hl{color:var(--primary);text-shadow:0 0 34px var(--primary-glow)}
.hero-sub{margin-top:22px;font-size:17px;color:var(--text-2);max-width:520px;line-height:1.85}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-metrics{display:flex;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);flex-wrap:wrap}
.metric-num{font-size:24px;font-weight:900;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.metric-num em{font-style:normal;color:var(--primary);font-size:15px;margin-left:3px;font-weight:700}
.metric-label{font-size:13px;color:var(--text-3);margin-top:2px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-l);border:1px solid var(--line);
}
.hero-visual::after{
  content:"";position:absolute;inset:-14px;border:1px solid var(--primary-glow);
  border-radius:28px;pointer-events:none;
}
.hero-visual::before{
  content:"";position:absolute;right:-14px;bottom:-14px;width:120px;height:120px;
  background:radial-gradient(circle,rgba(255,106,43,.24),transparent 70%);pointer-events:none;
}

/* ======= 卖点 ======= */
.points-wrap{border-top:1px solid var(--line)}
.point{
  display:grid;grid-template-columns:130px 1fr;gap:36px;align-items:start;
  padding:38px 0;border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.point:hover{background:rgba(255,255,255,.015);padding-left:12px}
.point-num{
  font-size:46px;font-weight:900;line-height:1;font-variant-numeric:tabular-nums;
  color:transparent;-webkit-text-stroke:1px var(--primary);letter-spacing:-.03em;
  transition:color var(--dur) var(--ease);
}
.point:hover .point-num{color:rgba(18,240,160,.14)}
.point h3{font-size:20px;margin-bottom:10px}
.point p{color:var(--text-2);font-size:15.5px;line-height:1.9;max-width:820px}
.point-tags{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}

/* ======= 图墙 ======= */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.wall-item{
  position:relative;border-radius:var(--radius-m);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
  height:240px;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.wall-item:hover{border-color:var(--primary-glow);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform 520ms var(--ease)}
.wall-item:hover img{transform:scale(1.03)}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,10,10,.92) 0%,rgba(8,10,10,.35) 42%,transparent 72%);
  pointer-events:none;
}
.wall-cap{position:absolute;left:18px;right:18px;bottom:16px;z-index:2}
.wall-cap h4{font-size:16px;margin-top:8px}
.wall-item.c3{grid-column:span 3}
.wall-item.c4{grid-column:span 4}
.wall-item.c5{grid-column:span 5}
.wall-item.c7{grid-column:span 7}

/* ======= 最新信息 ======= */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:start}
.post-main{
  display:block;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.post-main:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.post-main-media{aspect-ratio:16/9;overflow:hidden;background:var(--panel-2)}
.post-main-media img{width:100%;height:100%;object-fit:cover;transition:transform 520ms var(--ease)}
.post-main:hover .post-main-media img{transform:scale(1.03)}
.post-main-body{padding:26px 26px 28px}
.post-main-body h3{font-size:22px;line-height:1.4;margin:14px 0 12px}
.post-main-body p{color:var(--text-2);font-size:15px;line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:14px;margin-top:18px;font-size:13px;color:var(--text-3)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3)}
.post-list{display:flex;flex-direction:column;gap:2px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);padding:8px;box-shadow:var(--shadow-1)}
.post-row{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 16px 16px 18px;border-radius:var(--radius-s);position:relative;
  transition:background var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.post-row::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:var(--primary);opacity:0;transition:opacity var(--dur) var(--ease);
}
.post-row:hover{background:rgba(255,255,255,.03);padding-left:22px}
.post-row:hover::before{opacity:1}
.post-row-main{min-width:0;flex:1}
.post-row h4{font-size:15.5px;font-weight:700;line-height:1.5;margin-top:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-row-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;flex-shrink:0}
.news-empty{
  background:var(--panel);border:1px dashed var(--line-strong);border-radius:var(--radius-l);
  padding:64px 32px;text-align:center;color:var(--text-2);
}
.news-empty i{font-size:30px;color:var(--text-3);margin-bottom:16px;display:block}
.news-empty p{margin-bottom:20px;font-size:15px}

/* ======= 报名 CTA ======= */
.cta-panel{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;
  position:relative;overflow:hidden;box-shadow:var(--shadow-2);
}
.cta-panel::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 22px var(--primary-glow);
}
.cta-panel h2{font-size:28px;line-height:1.3}
.cta-panel .cta-lead{color:var(--text-2);font-size:16px;margin-top:16px;line-height:1.9}
.cta-list{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text-2)}
.cta-list i{color:var(--primary);font-size:13px}
.cta-form{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;color:var(--text-2);font-weight:600;letter-spacing:.02em}
.field input{
  height:50px;border-radius:10px;background:rgba(8,10,10,.72);
  border:1px solid var(--line-strong);padding:0 16px;font-size:15px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-glow);background:rgba(8,10,10,.92)}
.field.error input{border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,106,43,.22)}
.field.success input{border-color:var(--primary)}
.field-tip{font-size:12.5px;color:var(--accent);min-height:0;display:none}
.field.error .field-tip{display:block}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.checkline input{width:17px;height:17px;margin-top:3px;accent-color:var(--primary);flex-shrink:0}
.checkline.error{color:var(--accent)}
.form-msg{font-size:14px;color:var(--primary);display:none;align-items:center;gap:8px}
.form-msg.show{display:flex}
.form-msg.err{color:var(--accent)}

/* ======= FAQ ======= */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;
  min-height:56px;padding:16px 0;font-size:16.5px;font-weight:700;
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-index{
  font-size:13px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;
  letter-spacing:.06em;flex-shrink:0;width:30px;
}
.faq-icon{
  margin-left:auto;width:22px;height:22px;flex-shrink:0;position:relative;
  transition:transform var(--dur) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  left:50%;top:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:13px;height:1.5px}
.faq-icon::after{width:1.5px;height:13px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--text)}
.faq-body{padding:0 0 24px 48px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:920px}

/* ======= 页脚 ======= */
.site-footer{
  border-top:1px solid var(--primary-glow);
  background:var(--bg-2);position:relative;z-index:1;
  padding:64px 0 0;margin-top:40px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.9;margin-top:16px;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--text-2);font-size:15px;
  transition:all var(--dur) var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:var(--primary);box-shadow:0 0 0 1px var(--primary-glow);transform:translateY(-2px)}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--text);margin-bottom:18px;font-weight:800}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-col li span{font-size:14px;color:var(--text-2)}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}

/* ======= 动效 ======= */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 620ms var(--ease),transform 620ms var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ======= 响应式 ======= */
@media (max-width:1279px){
  .hero-grid{gap:44px}
  .wall-item{height:220px}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:-1}
  .news-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;gap:36px;padding:44px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .point{grid-template-columns:96px 1fr;gap:24px}
  .point-num{font-size:38px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--bg-2);border-top:1px solid var(--primary-glow);
    padding:18px 16px 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:15px 16px;font-size:16px;border:1px solid transparent;border-radius:var(--radius-s)}
  .nav-links a.active{border-color:var(--primary-glow);background:rgba(18,240,160,.06)}
  .nav-links a.active::after,.nav-links a.active::before{display:none}
  .nav-cta .btn{display:none}
  .wall-item.c3,.wall-item.c4,.wall-item.c5,.wall-item.c7{grid-column:span 6}
  .wall-item{height:200px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .hero{padding:56px 0 48px}
  .hero-metrics{gap:26px;margin-top:32px;padding-top:22px}
  .cta-panel{padding:32px 22px}
  .point{grid-template-columns:1fr;gap:12px;padding:28px 0}
  .point-num{font-size:32px}
  .post-main-body{padding:20px}
  .post-row h4{white-space:normal}
  .post-row{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-body{padding-left:0}
  .section-title{font-size:23px}
}
@media (max-width:520px){
  .wall-item.c3,.wall-item.c4,.wall-item.c5,.wall-item.c7{grid-column:span 12}
  .wall-item{height:210px}
  .countdown-inner{font-size:13px;gap:10px}
  .countdown-time{font-size:13.5px}
  .hero-actions .btn{width:100%}
  .btn-lg{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#080A0A;--bg-2:#0E1211;--panel:#131817;--panel-2:#1A211F;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --primary:#12F0A0;--primary-deep:#0A7C55;--primary-glow:rgba(18,240,160,.35);
  --accent:#FF6A2B;--accent-deep:#C7460F;
  --text:#F2F5F4;--text-2:#9AA5A2;--text-3:#6B7674;
  --radius-s:8px;--radius-m:14px;--radius-l:20px;--radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);--shadow-2:0 18px 60px rgba(0,0,0,.5);
  --dur:200ms;--ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 460px at 12% -6%,rgba(18,240,160,.12),transparent 62%),
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(8,10,10,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,240,160,.5),transparent);
  opacity:.7;pointer-events:none;
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#04120C;font-size:16px;font-weight:900;
  box-shadow:0 0 0 1px rgba(18,240,160,.35),0 6px 18px rgba(18,240,160,.28);
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--radius-s);
  font-size:15px;color:var(--text-2);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--text);text-shadow:0 0 14px var(--primary-glow)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px var(--primary-glow);
}
.nav-links a.active::before{
  content:"";position:absolute;left:6px;top:6px;width:5px;height:5px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 8px var(--primary-glow);
}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-s);
  background:transparent;border:1px solid var(--line-strong);color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* ============ BUTTONS / BADGES ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#04120C;box-shadow:0 8px 22px rgba(18,240,160,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(18,240,160,.34),0 0 0 1px var(--primary-glow)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--primary)}
.btn-ghost:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 0 0 1px var(--primary-glow)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:700}
.link-arrow i{transition:transform var(--dur) var(--ease)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover i{transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12px;letter-spacing:.08em;border:1px solid var(--line-strong);color:var(--text-2);line-height:1.6;
}
.badge-primary{border-color:rgba(18,240,160,.45);color:var(--primary);background:rgba(18,240,160,.08)}
.badge-accent{border-color:rgba(255,106,43,.45);color:var(--accent);background:rgba(255,106,43,.08)}

/* ============ BREADCRUMB ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(14,18,17,.5)}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:18px 0;font-size:14px;color:var(--text-3)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{width:14px;height:1px;background:var(--line-strong);display:inline-block}
.crumb .current{color:var(--text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ ARTICLE HEAD ============ */
.article-head{position:relative;padding:56px 0 40px;overflow:hidden}
.article-head::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 300px at 78% 0%,rgba(18,240,160,.14),transparent 65%);
  pointer-events:none;
}
.article-head .inner{position:relative;max-width:860px}
.article-head .badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.article-head h1{
  font-size:clamp(28px,3.6vw,46px);line-height:1.14;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:14px;color:var(--text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--primary);font-size:13px}
.head-rule{margin-top:28px;height:1px;background:linear-gradient(90deg,rgba(18,240,160,.55),rgba(255,255,255,.05) 60%,transparent)}

/* ============ LAYOUT ============ */
.section{padding:56px 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start;
  max-width:1120px;margin:0 auto;
}
.article-body{min-width:0;max-width:780px}

/* ============ ARTICLE CONTENT ============ */
.article-content{font-size:17px;line-height:1.95;color:#D9E0DE}
.article-content>*:first-child{margin-top:0}
.article-content p{margin:0 0 1.4em}
.article-content h2{
  font-size:26px;margin:48px 0 18px;padding-left:14px;
  border-left:3px solid var(--primary);font-weight:800;color:var(--text);
}
.article-content h3{font-size:20px;margin:34px 0 12px;font-weight:800;color:var(--text)}
.article-content h4{font-size:17px;margin:26px 0 10px;color:var(--text)}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.article-content strong{color:#FFFFFF}
.article-content blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--primary);
  background:rgba(18,240,160,.08);border-radius:0 var(--radius-m) var(--radius-m) 0;color:var(--text-2);
}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:22px}
.article-content ul li{list-style:none;position:relative;padding-left:18px;margin:8px 0}
.article-content ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 8px var(--primary-glow);
}
.article-content ol{list-style:decimal}
.article-content ol li{margin:8px 0}
.article-content ol li::marker{color:var(--primary);font-weight:800}
.article-content img{border-radius:12px;margin:26px 0;box-shadow:var(--shadow-1)}
.article-content figure{margin:26px 0}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;margin:26px 0;
  border:1px solid var(--line-strong);border-radius:var(--radius-m);overflow:hidden;font-size:15px;
}
.article-content thead th{background:var(--panel-2);text-align:left;padding:13px 16px;font-weight:700;color:var(--text)}
.article-content td{padding:13px 16px;border-top:1px solid var(--line);color:var(--text-2)}
.article-content tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article-content hr{border:0;height:1px;background:var(--line);margin:36px 0}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-l);background:var(--panel);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state i{font-size:30px;color:var(--primary);opacity:.8}
.empty-state h2{font-size:22px;margin:18px 0 10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:24px}

/* ============ SIDEBAR ============ */
.article-side{position:sticky;top:96px;display:grid;gap:18px}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:14px;letter-spacing:.08em;color:var(--text-2);font-weight:700;margin-bottom:14px}
.toc{display:grid;gap:2px}
.toc a{
  display:block;padding:8px 10px;border-radius:var(--radius-s);font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;line-height:1.6;
}
.toc a:hover{background:rgba(255,255,255,.05);color:var(--primary);border-left-color:var(--primary)}
.side-links{display:grid;gap:2px}
.side-links a{display:flex;align-items:center;justify-content:space-between;padding:10px;border-radius:var(--radius-s);font-size:14px;color:var(--text-2)}
.side-links a:hover{background:rgba(255,255,255,.05);color:var(--text);padding-left:13px}
.side-links i{color:var(--primary);font-size:12px}

/* ============ FOOT BLOCKS ============ */
.foot-block{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.foot-block h2{font-size:18px;margin-bottom:18px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-block;padding:6px 14px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);font-size:13px;color:var(--text-2)}
.tag:hover{border-color:var(--primary);color:var(--primary)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.related-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--panel-2)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.related-card:hover .thumb img{transform:scale(1.03)}
.related-card .txt{padding:16px}
.related-card h3{font-size:16px;line-height:1.45;margin-bottom:10px}
.related-card .meta{font-size:13px;color:var(--text-3);display:flex;gap:12px;align-items:center}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.pager a{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.pager a:hover{transform:translateY(-2px);border-color:var(--primary)}
.pager .dir{font-size:12px;letter-spacing:.08em;color:var(--text-3);display:block;margin-bottom:8px}
.pager .ttl{font-size:15px;font-weight:700;line-height:1.5}
.pager .next{text-align:right}

/* ============ CTA ============ */
.cta-panel{
  position:relative;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:40px;box-shadow:var(--shadow-2);overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-panel::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);box-shadow:0 0 18px var(--primary-glow)}
.cta-panel h2{font-size:24px;margin-bottom:10px}
.cta-panel p{color:var(--text-2);font-size:15px;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FOOTER ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);margin-top:80px;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(18,240,160,.55),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;margin:18px 0 20px;max-width:40ch}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:var(--radius-s);display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--text-2);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-social a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--text);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr);max-width:820px}
  .article-side{display:none}
  .article-body{max-width:none}
}
@media (max-width:1023px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav{height:64px}
  .nav-toggle{display:grid;place-items:center}
  .nav-links{
    position:fixed;left:0;right:0;top:64px;display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:18px 20px 26px;background:rgba(8,10,10,.98);
    border-bottom:1px solid rgba(18,240,160,.35);box-shadow:var(--shadow-2);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px;font-size:16px}
  .nav-links a.active::after{left:14px;right:auto;width:26px}
  .nav-cta .btn{display:none}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .article-head{padding:40px 0 28px}
  .article-content{font-size:16.5px}
  .article-content h2{font-size:22px;margin-top:38px}
  .article-content h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
  .cta-panel{padding:28px 22px}
  .cta-panel h2{font-size:20px}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .article-head h1{font-size:26px}
  .crumb{font-size:13px}
  .crumb .current{max-width:34ch}
  .logo{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#080A0A;--bg-2:#0E1211;--panel:#131817;--panel-2:#1A211F;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --primary:#12F0A0;--primary-deep:#0A7C55;--primary-glow:rgba(18,240,160,.35);
  --accent:#FF6A2B;--accent-deep:#C7460F;
  --text:#F2F5F4;--text-2:#9AA5A2;--text-3:#6B7674;
  --radius-s:8px;--radius-m:14px;--radius-l:20px;--radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);--shadow-2:0 18px 60px rgba(0,0,0,.5);
  --dur:200ms;--ease:cubic-bezier(.2,.7,.2,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;line-height:1.9;letter-spacing:0;
  font-variant-numeric:tabular-nums;
  background-image:
    radial-gradient(900px 420px at 18% -8%,rgba(18,240,160,.12),transparent 62%),
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:auto,64px 64px,64px 64px;
  background-repeat:no-repeat,repeat,repeat;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.4vw,60px);line-height:1.12;font-weight:900;letter-spacing:-.02em;}
h2{font-size:28px;line-height:1.25;font-weight:800;letter-spacing:-.015em;}
h3{font-size:20px;line-height:1.4;font-weight:800;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;
  color:var(--primary);border:1px solid var(--primary-glow);border-radius:var(--radius-pill);
  padding:6px 14px;background:rgba(18,240,160,.06);
}
.eyebrow i{font-size:10px;}
.lead{color:var(--text-2);font-size:17px;}
.muted{color:var(--text-3);font-size:14px;}
.text-link{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:gap var(--dur) var(--ease);}
.text-link:hover{gap:12px;text-decoration:underline;text-underline-offset:5px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border-radius:var(--radius-pill);font-weight:800;font-size:16px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#03241A;box-shadow:0 0 0 1px rgba(18,240,160,.25);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px var(--primary-glow),0 14px 34px rgba(18,240,160,.22);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--primary);}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 0 0 1px var(--primary-glow);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:17px 36px;font-size:17px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;}
.btn-actions{display:flex;flex-wrap:wrap;gap:14px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;
  border:1px solid var(--primary-glow);color:var(--primary);border-radius:var(--radius-pill);
  padding:4px 12px;background:rgba(18,240,160,.07);
}
.badge-time{border-color:var(--line-strong);color:var(--text-2);background:rgba(255,255,255,.03);}
.badge-accent{border-color:rgba(255,106,43,.45);color:var(--accent);background:rgba(255,106,43,.08);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,10,10,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:18px;letter-spacing:-.01em;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#03241A;font-weight:900;font-size:16px;box-shadow:0 0 18px rgba(18,240,160,.28);
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;padding:9px 16px;border-radius:var(--radius-pill);
  color:var(--text-2);font-size:15px;font-weight:600;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--text);background:var(--panel);}
.nav-links a.active{color:var(--primary);text-shadow:0 0 14px rgba(18,240,160,.45);}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px var(--primary-glow);
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  color:var(--text);align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* 首屏 */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(90deg,rgba(8,10,10,.96) 22%,rgba(8,10,10,.78) 62%,rgba(8,10,10,.92)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.9;
}
.page-hero .container{position:relative;z-index:1;}
.crumbs{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:22px;flex-wrap:wrap;}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{width:14px;height:1px;background:var(--line-strong);display:inline-block;}
.page-hero h1{margin:18px 0 18px;max-width:820px;}
.page-hero .lead{max-width:680px;font-size:17px;}
.hero-extra{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.metric b{display:block;font-size:26px;font-weight:900;color:var(--primary);letter-spacing:-.01em;}
.metric span{font-size:13px;color:var(--text-2);}

/* 图文交错 */
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-top:1px solid var(--line);
}
.zig-row:first-of-type{border-top:0;padding-top:0;}
.zig-row:nth-child(even) .zig-media{order:-1;}
.zig-num{
  font-size:46px;font-weight:900;line-height:1;color:transparent;
  -webkit-text-stroke:1px var(--primary);letter-spacing:.02em;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.zig-text h3{margin-bottom:14px;}
.zig-text p{color:var(--text-2);font-size:16px;}
.zig-list{margin-top:20px;display:grid;gap:10px;}
.zig-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;}
.zig-list li i{color:var(--primary);font-size:12px;margin-top:8px;}
.zig-media{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-1);}
.zig-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 420ms var(--ease);}
.zig-media:hover img{transform:scale(1.03);}
.zig-media::after{content:"";position:absolute;inset:14px;border:1px solid rgba(18,240,160,.32);border-radius:12px;pointer-events:none;}

/* 数据带 */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 24px;transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.stat-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.stat-card i{color:var(--primary);font-size:18px;}
.stat-card b{display:block;font-size:30px;font-weight:900;margin:14px 0 6px;letter-spacing:-.02em;}
.stat-card span{color:var(--text-2);font-size:14px;}
.note-band{
  margin-top:24px;background:var(--panel-2);border:1px solid var(--line);
  border-left:2px solid var(--primary);border-radius:var(--radius-m);
  padding:22px 26px;display:flex;gap:16px;align-items:flex-start;color:var(--text-2);font-size:15px;
}
.note-band i{color:var(--primary);margin-top:6px;}

/* 分类入口 */
.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.route-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.route-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.route-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.route-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.route-body h3{font-size:18px;}
.route-body p{color:var(--text-2);font-size:15px;flex:1;}
.route-card.is-current{border-color:var(--primary);}
.route-card.is-current::before{content:"当前浏览";}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;gap:16px;
  padding:14px 0;font-weight:700;font-size:17px;transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary .plus{
  margin-left:auto;width:26px;height:26px;flex:0 0 26px;display:grid;place-items:center;
  color:var(--primary);font-size:14px;transition:transform var(--dur) var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 0 22px;color:var(--text-2);font-size:15px;max-width:880px;}

/* 表单 CTA */
.cta-panel{
  background:var(--panel-2);border:1px solid var(--line);border-left:2px solid var(--primary);
  border-radius:var(--radius-l);padding:52px;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start;
  box-shadow:var(--shadow-2);
}
.cta-panel h2{margin-bottom:16px;}
.cta-panel .lead{font-size:16px;max-width:460px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:12px;color:var(--text-2);font-size:15px;}
.cta-points li i{color:var(--primary);font-size:12px;margin-top:8px;}
.form-grid{display:grid;gap:16px;}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.field input[type="text"],.field input[type="tel"]{
  width:100%;background:rgba(0,0,0,.35);border:1px solid var(--line-strong);
  border-radius:10px;padding:14px 16px;color:var(--text);font-size:15px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 1px var(--primary-glow);
}
.field.error input{border-color:var(--accent);box-shadow:0 0 0 1px rgba(255,106,43,.35);}
.field .msg{display:none;font-size:12px;color:var(--accent);margin-top:8px;}
.field.error .msg{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:14px;}
.check input{width:18px;height:18px;margin-top:5px;accent-color:var(--primary);}
.check.error{color:var(--accent);}
.form-note{font-size:13px;color:var(--text-3);}
.form-note.success{color:var(--primary);}

/* 页脚 */
.site-footer{border-top:1px solid rgba(18,240,160,.28);background:var(--bg-2);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:18px;max-width:360px;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line-strong);
  display:grid;place-items:center;color:var(--text-2);font-size:14px;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col li,.footer-col a,.footer-col span{color:var(--text-2);font-size:14px;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 600ms var(--ease),transform 600ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .zig-row{gap:36px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .route-grid{grid-template-columns:1fr 1fr;}
  .cta-panel{grid-template-columns:1fr;gap:36px;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:899px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:var(--bg);border-top:1px solid var(--primary-glow);
    flex-direction:column;align-items:stretch;gap:4px;padding:24px;
    transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
    overflow-y:auto;
  }
  .nav-links.open{transform:none;opacity:1;visibility:visible;}
  .nav-links a{padding:16px 18px;font-size:16px;border:1px solid var(--line);border-radius:var(--radius-m);}
  .nav-links a.active::after{left:18px;right:18px;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  h1{font-size:clamp(28px,7vw,38px);}
  h2{font-size:23px;}
  .page-hero{padding:44px 0 48px;}
  .zig-row{grid-template-columns:1fr;gap:24px;padding:40px 0;}
  .zig-row:nth-child(even) .zig-media{order:0;}
  .zig-num{font-size:36px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .route-grid{grid-template-columns:1fr;}
  .hero-metrics{gap:24px;}
  .metric b{font-size:22px;}
  .cta-panel{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .stats-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .btn-actions{flex-direction:column;}
  .hero-extra{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bg:#080A0A;
  --bg-2:#0E1211;
  --panel:#131817;
  --panel-2:#1A211F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#12F0A0;
  --primary-deep:#0A7C55;
  --primary-glow:rgba(18,240,160,.35);
  --accent:#FF6A2B;
  --accent-deep:#C7460F;
  --text:#F2F5F4;
  --text-2:#9AA5A2;
  --text-3:#6B7674;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 60px rgba(0,0,0,.5);
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(900px 480px at 78% -12%, rgba(18,240,160,.12), transparent 70%),
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:auto,64px 64px,64px 64px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,240,160,.28)}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.site-header,.site-main,.site-footer{position:relative;z-index:1}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(8,10,10,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04231A;
  font-weight:900;
  font-size:17px;
  box-shadow:0 0 0 1px rgba(18,240,160,.35), 0 6px 18px rgba(18,240,160,.18);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-links a{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:var(--radius-s);
  transition:color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{
  color:var(--primary);
  text-shadow:0 0 14px var(--primary-glow);
}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px var(--primary-glow);
}
.nav-links a.active::before{
  content:"";
  position:absolute;
  left:4px;
  top:50%;
  width:5px;
  height:5px;
  margin-top:-2.5px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary-glow);
}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-s);
  color:var(--text);
  cursor:pointer;
  transition:border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
             background var(--dur) var(--ease), border-color var(--dur) var(--ease),
             color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.btn-primary{background:var(--primary);color:#04231A}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 0 1px var(--primary-glow), 0 12px 28px rgba(18,240,160,.22);
}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--primary);
  color:var(--primary);
  box-shadow:0 0 0 1px var(--primary-glow);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--primary);
}
.link-arrow i{transition:transform var(--dur) var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  font-size:12px;
  letter-spacing:.08em;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  color:var(--text-2);
  background:rgba(255,255,255,.02);
}
.badge-primary{border-color:rgba(18,240,160,.5);color:var(--primary);background:rgba(18,240,160,.08)}
.badge-accent{border-color:rgba(255,106,43,.5);color:var(--accent);background:rgba(255,106,43,.08)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:22px 0 0;
  font-size:14px;
  color:var(--text-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.breadcrumb a{color:var(--text-2);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}

/* ---------- Hero ---------- */
.cat-hero{padding:40px 0 84px}
.cat-hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--primary);
  border:1px solid rgba(18,240,160,.5);
  border-radius:var(--radius-pill);
  background:rgba(18,240,160,.07);
}
.cat-hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.12;
  font-weight:900;
  letter-spacing:-.02em;
}
.cat-hero h1 em{
  font-style:normal;
  color:var(--primary);
  text-shadow:0 0 26px var(--primary-glow);
}
.hero-sub{
  margin-top:18px;
  font-size:18px;
  line-height:1.8;
  color:var(--text-2);
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  margin-top:40px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-stats .num{
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.hero-stats .lab{font-size:13px;color:var(--text-3);margin-top:2px}
.hero-visual{position:relative}
.hero-visual::before{
  content:"";
  position:absolute;
  inset:-14px;
  border:1px solid rgba(18,240,160,.35);
  border-radius:calc(var(--radius-l) + 10px);
  pointer-events:none;
}
.hero-visual img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-2);
}

/* ---------- 通用板块 ---------- */
.section{padding:92px 0;border-top:1px solid var(--line)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:46px;
}
.section-head h2{
  font-size:clamp(23px,2.6vw,28px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.02em;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
.lead{
  font-size:17px;
  line-height:1.95;
  color:var(--text-2);
  max-width:860px;
}

/* ---------- 速览卡 ---------- */
.quick-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:38px;
}
.quick-card{
  padding:26px 24px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.quick-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.quick-card i{font-size:18px;color:var(--primary)}
.quick-card h3{margin-top:14px;font-size:18px;font-weight:800}
.quick-card p{margin-top:8px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;
  top:16px;
  bottom:16px;
  width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(18,240,160,.06));
}
.tl-item{position:relative;padding-left:80px;padding-bottom:42px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;
  left:0;
  top:0;
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--panel);
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  z-index:2;
}
.tl-item h3{font-size:20px;font-weight:800;letter-spacing:-.01em}
.tl-item > p{margin-top:10px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:800px}
.tl-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tl-list li{
  padding:6px 14px;
  font-size:13px;
  color:var(--text-2);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
}
.next-step{margin-top:40px;padding-left:80px}

/* ---------- 玩法类型卡片 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:14px;top:14px;background:rgba(8,10,10,.72)}
.card-body{padding:22px 22px 26px}
.card-body h3{font-size:18px;font-weight:800}
.card-body p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-2)}
.card-foot{margin-top:16px}

/* ---------- 术语行卡 ---------- */
.spec-list{display:grid;gap:14px}
.spec-row{
  position:relative;
  display:grid;
  grid-template-columns:180px 1fr 120px;
  gap:22px;
  align-items:center;
  padding:20px 24px 20px 28px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  transition:background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.spec-row::before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:18px;
  width:2px;
  border-radius:2px;
  background:var(--primary);
  opacity:0;
  transition:opacity var(--dur) var(--ease);
}
.spec-row:hover{background:var(--panel-2);border-color:var(--line-strong)}
.spec-row:hover::before{opacity:1}
.spec-row .term{font-size:16px;font-weight:800;color:var(--primary)}
.spec-row .desc{font-size:15px;line-height:1.85;color:var(--text-2)}
.spec-row .tag{justify-self:end}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  padding:28px 24px;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.scene-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.scene-card h3{font-size:18px;font-weight:800}
.scene-card ul{margin-top:14px;display:grid;gap:10px}
.scene-card li{
  position:relative;
  padding-left:18px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.scene-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--primary);
}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:14px 0;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  cursor:pointer;
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q .num{
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  font-weight:800;
  margin-right:12px;
}
.faq-q .ico{
  flex:none;
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  border:1px solid var(--line-strong);
  border-radius:50%;
  font-size:12px;
  color:var(--primary);
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);border-color:var(--primary)}
.faq-a{
  overflow:hidden;
  max-height:0;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 0 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
  max-width:900px;
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  padding:52px;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-2);
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:1px;
  background:linear-gradient(180deg,transparent,var(--primary),transparent);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;letter-spacing:-.02em}
.cta-panel .lead{margin-top:14px;font-size:16px}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  color:var(--text-2);
}
.cta-points li i{position:absolute;left:0;top:4px;font-size:13px;color:var(--primary)}
.form-grid{display:grid;gap:16px}
.field{display:grid;gap:8px}
.field label{font-size:14px;color:var(--text-2)}
.field input[type="text"],
.field input[type="tel"]{
  width:100%;
  padding:14px 16px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:10px;
  transition:border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 1px var(--primary-glow), 0 0 0 4px rgba(18,240,160,.1);
}
.field .msg{font-size:12px;color:var(--accent);display:none}
.field.error input{border-color:var(--accent)}
.field.error .msg{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2)}
.check input{margin-top:4px;accent-color:var(--primary);width:16px;height:16px}
.form-note{font-size:13px;color:var(--text-3)}
.form-success{
  display:none;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  font-size:14px;
  color:var(--primary);
  border:1px solid rgba(18,240,160,.45);
  border-radius:10px;
  background:rgba(18,240,160,.08);
}
.form-success.show{display:flex}
.dots{display:inline-flex;gap:4px}
.dots i{
  width:5px;height:5px;border-radius:50%;background:#04231A;
  animation:dot .9s infinite ease-in-out;
}
.dots i:nth-child(2){animation-delay:.15s}
.dots i:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  padding:72px 0 28px;
  border-top:1px solid rgba(18,240,160,.28);
  background:var(--bg-2);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:var(--text-2);
  max-width:340px;
}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-s);
  color:var(--text-2);
  transition:color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:800;letter-spacing:.02em}
.footer-col ul{margin-top:16px;display:grid;gap:11px}
.footer-col li{font-size:14px;color:var(--text-2)}
.footer-col a{color:var(--text-2);transition:color var(--dur) var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease), transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .cat-hero-grid{gap:40px}
  .spec-row{grid-template-columns:150px 1fr 110px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .quick-grid,.card-grid,.scene-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;gap:34px;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    bottom:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:20px 24px;
    background:rgba(8,10,10,.98);
    border-top:1px solid rgba(18,240,160,.28);
    transform:translateY(-10px);
    opacity:0;
    pointer-events:none;
    overflow-y:auto;
    transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }
  .nav-links.open{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{
    padding:16px 6px;
    font-size:17px;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-links a.active::after{left:6px;right:auto;width:26px;bottom:10px}
  .nav-links a.active::before{display:none}
  .cat-hero{padding:24px 0 64px}
  .cat-hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .cta-panel{padding:32px 24px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:15px}
  .section{padding:52px 0}
  .quick-grid,.card-grid,.scene-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px;justify-content:space-between}
  .hero-stats .num{font-size:22px}
  .hero-sub{font-size:16px}
  .spec-row{grid-template-columns:1fr;gap:10px;padding:20px 20px 20px 22px}
  .spec-row .tag{justify-self:start}
  .tl-item{padding-left:64px;padding-bottom:34px}
  .tl-num{width:40px;height:40px;font-size:14px}
  .timeline::before{left:19px}
  .next-step{padding-left:0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .hero-actions .btn{width:100%}
  .cat-hero h1{font-size:27px}
  .breadcrumb{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg:#080A0A;
  --bg-2:#0E1211;
  --panel:#131817;
  --panel-2:#1A211F;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --primary:#12F0A0;
  --primary-deep:#0A7C55;
  --primary-glow:rgba(18,240,160,.35);
  --accent:#FF6A2B;
  --accent-deep:#C7460F;
  --text:#F2F5F4;
  --text-2:#9AA5A2;
  --text-3:#6B7674;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 60px rgba(0,0,0,.5);
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(18,240,160,.12), transparent 62%),
    linear-gradient(180deg,#080A0A 0%,#0A0E0D 100%);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:64px 64px;
  z-index:0;
  opacity:.9;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(18,240,160,.28);}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(8,10,10,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:900;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo-mark{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#04120D;
  font-size:18px;
  font-weight:900;
  box-shadow:0 0 0 1px rgba(18,240,160,.35), 0 6px 18px rgba(18,240,160,.22);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:var(--radius-s);
  transition:color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.nav-links a.active{color:var(--text);text-shadow:0 0 14px var(--primary-glow);}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary-glow);
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  cursor:pointer;
  font-size:15px;
  font-weight:700;
  padding:12px 22px;
  border-radius:var(--radius-pill);
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#0ED48C);
  color:#04120D;
  box-shadow:0 10px 26px rgba(18,240,160,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(18,240,160,.3),0 0 0 1px var(--primary-glow);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--primary);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);background:rgba(18,240,160,.06);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:var(--panel);
  color:var(--text);
  cursor:pointer;
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:14px;
  color:var(--text-3);
  padding:22px 0 0;
}
.crumb a{color:var(--text-2);transition:color var(--dur) var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .now{color:var(--text);}

/* ============ Hero ============ */
.hero{padding:44px 0 84px;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.tagline{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--primary);
  border:1px solid rgba(18,240,160,.35);
  border-radius:var(--radius-pill);
  padding:7px 16px;
  background:rgba(18,240,160,.07);
  font-weight:700;
}
.tagline .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px var(--primary);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.4;transform:scale(.8);}
}
.hero h1{
  margin:22px 0 18px;
  font-size:clamp(30px,4.4vw,58px);
  line-height:1.12;
  font-weight:900;
}
.hero h1 em{
  font-style:normal;
  color:var(--primary);
  text-shadow:0 0 28px var(--primary-glow);
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:32px 0 34px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  border-top:1px solid var(--line);
  padding-top:24px;
  max-width:560px;
}
.stat b{
  display:block;
  font-size:26px;
  font-weight:900;
  color:var(--primary);
  line-height:1.2;
}
.stat span{font-size:13px;color:var(--text-3);}
.hero-media{position:relative;}
.hero-media::after{
  content:"";
  position:absolute;
  inset:-12px -12px 12px 12px;
  border:1px solid rgba(18,240,160,.4);
  border-radius:var(--radius-l);
  pointer-events:none;
}
.hero-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-l);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-2);
}

/* ============ 通用板块 ============ */
.section{padding:84px 0;border-top:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
}
.section-head p{
  margin-top:10px;
  color:var(--text-2);
  font-size:15px;
  max-width:640px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  white-space:nowrap;
}
.link-more i{transition:transform var(--dur) var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 卡片矩阵 ============ */
.matrix{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:0 16px 40px rgba(0,0,0,.45), 0 0 0 1px var(--primary-glow);
}
.card-media{position:relative;overflow:hidden;}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 400ms var(--ease);
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card h3{font-size:20px;}
.card p{font-size:15px;color:var(--text-2);}
.card-lg{grid-column:span 6;}
.card-lg .card-media{aspect-ratio:16/9;}
.card-lg .card-body{padding:28px;}
.card-sm{grid-column:span 3;}
.card-sm .card-media{aspect-ratio:4/3;}
.card-sm h3{font-size:17px;}
.card-sm .card-body{padding:20px;gap:10px;}
.card-sm p{font-size:14px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.08em;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(18,240,160,.4);
  color:var(--primary);
  background:rgba(18,240,160,.08);
  font-weight:700;
  width:fit-content;
}
.badge.warm{
  border-color:rgba(255,106,43,.45);
  color:var(--accent);
  background:rgba(255,106,43,.1);
}
.badge.mute{
  border-color:var(--line-strong);
  color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.card-media .badge{
  position:absolute;
  top:14px;
  left:14px;
  backdrop-filter:blur(6px);
  z-index:2;
}

/* ============ 条件对照行卡 ============ */
.rows{
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
}
.row{
  display:grid;
  grid-template-columns:120px 1.2fr 1.5fr 180px;
  gap:24px;
  align-items:center;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  position:relative;
  transition:background var(--dur) var(--ease);
}
.row:last-child{border-bottom:none;}
.row::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:2px;
  background:var(--primary);
  opacity:0;
  transition:opacity var(--dur) var(--ease);
}
.row:hover{background:rgba(255,255,255,.03);}
.row:hover::before{opacity:1;}
.row-num{
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--primary);
}
.row-title{font-size:17px;font-weight:800;}
.row-desc{font-size:15px;color:var(--text-2);}
.row-state{
  justify-self:end;
  font-size:13px;
  color:var(--text-2);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  padding:5px 14px;
  white-space:nowrap;
}
.rows-head{
  display:grid;
  grid-template-columns:120px 1.2fr 1.5fr 180px;
  gap:24px;
  padding:16px 26px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--text-3);
  border-bottom:1px solid var(--line-strong);
  background:rgba(255,255,255,.02);
}
.rows-head span:last-child{justify-self:end;}

/* ============ 自检清单 ============ */
.check-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.check{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:28px;
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.check:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.check i{
  font-size:20px;
  color:var(--primary);
  margin-bottom:14px;
  display:block;
}
.check h3{font-size:18px;margin-bottom:10px;}
.check p{font-size:15px;color:var(--text-2);}
.check ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.check li{
  font-size:14px;
  color:var(--text-2);
  padding-left:16px;
  position:relative;
}
.check li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--primary-deep);
}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  list-style:none;
  cursor:pointer;
  min-height:56px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 4px;
  font-size:17px;
  font-weight:700;
  transition:color var(--dur) var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--primary);}
.faq summary .plus{
  margin-left:auto;
  width:26px;
  height:26px;
  flex:0 0 26px;
  display:grid;
  place-items:center;
  border:1px solid var(--line-strong);
  border-radius:50%;
  color:var(--primary);
  font-size:14px;
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.faq details[open] summary .plus{transform:rotate(45deg);border-color:var(--primary);}
.faq-index{
  font-size:13px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.1em;
}
.faq-body{
  padding:0 4px 26px 42px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
  max-width:860px;
}

/* ============ CTA 报名 ============ */
.cta-panel{
  position:relative;
  display:grid;
  grid-template-columns:1fr .85fr;
  gap:48px;
  background:
    radial-gradient(600px 300px at 8% 0%, rgba(18,240,160,.12), transparent 60%),
    var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:48px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.cta-panel::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--primary),transparent);
}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:16px;}
.cta-copy p{color:var(--text-2);font-size:16px;max-width:520px;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
}
.cta-points i{color:var(--primary);margin-top:5px;}
.form{display:flex;flex-direction:column;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.04em;}
.field input{
  height:50px;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:rgba(8,10,10,.7);
  padding:0 16px;
  font-size:15px;
  color:var(--text);
  transition:border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 2px rgba(18,240,160,.28);
}
.field.is-error input{border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,106,43,.22);}
.field.is-ok input{border-color:var(--primary);}
.tip{font-size:12px;color:var(--accent);min-height:16px;}
.field.is-ok .tip{color:var(--primary);}
.agree{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
  line-height:1.7;
}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary);}
.agree.is-error{color:var(--accent);}
.form-note{
  font-size:13px;
  color:var(--primary);
  display:none;
  align-items:center;
  gap:8px;
}
.form-note.show{display:flex;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid rgba(18,240,160,.28);
  background:var(--bg-2);
  margin-top:0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding:72px 0 48px;
}
.footer-brand p{
  margin:18px 0 22px;
  font-size:14px;
  color:var(--text-2);
  max-width:360px;
}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:38px;height:38px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  border-radius:10px;
  color:var(--text-2);
  transition:color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.footer-social a:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);}
.footer-col h4{font-size:15px;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li, .footer-col a, .footer-col span{font-size:14px;color:var(--text-2);}
.footer-col a{transition:color var(--dur) var(--ease);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  border-top:1px solid var(--line);
  padding:22px 0 32px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding:32px 0 64px;}
  .hero-media::after{inset:-8px -8px 8px 8px;}
  .section{padding:64px 0;}
  .card-lg{grid-column:span 6;}
  .card-sm{grid-column:span 6;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:899px){
  .nav-toggle{display:inline-grid;place-items:center;}
  .nav-links{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:16px 20px 24px;
    background:var(--bg-2);
    border-bottom:1px solid rgba(18,240,160,.28);
    box-shadow:var(--shadow-2);
    opacity:0;
    transform:translateY(-12px);
    pointer-events:none;
    transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .nav-links.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-links a{padding:14px 12px;font-size:16px;border:1px solid transparent;}
  .nav-links a.active{border-color:rgba(18,240,160,.28);background:rgba(18,240,160,.06);}
  .nav-links a.active::after{display:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px;}
  .card-lg,.card-sm{grid-column:span 12;}
  .check-grid{grid-template-columns:1fr;}
  .rows-head{display:none;}
  .row{
    grid-template-columns:1fr;
    gap:10px;
    padding:20px;
  }
  .row-state{justify-self:start;}
  .cta-panel{padding:26px;}
  .footer-grid{grid-template-columns:1fr;padding:52px 0 32px;}
  .footer-bottom{flex-direction:column;}
  .faq-body{padding-left:0;}
}
@media (max-width:479px){
  .hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .stat b{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}