/* roulang page: index */
:root{
  --bg-0:#0A0713;
  --bg-1:#120B1E;
  --bg-2:#1A1128;
  --primary:#22F0B8;
  --primary-dim:rgba(34,240,184,.15);
  --accent:#FF3F7F;
  --warn:#FFD166;
  --text-1:#F3F1F8;
  --text-2:#A9A3B8;
  --text-3:#6E687E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(34,240,184,.4);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(34,240,184,.28),0 0 26px rgba(34,240,184,.18);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --gap-block:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary);}
p{margin:0 0 1.2em;color:var(--text-2);}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 3px rgba(34,240,184,.14);}
.num{font-variant-numeric:tabular-nums;font-weight:700;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--gap-block) 0;}
.section--tight{padding:clamp(40px,5vw,64px) 0;}
.section-title{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:34px;flex-wrap:wrap;
}
.section-title h2{
  font-size:clamp(22px,2.6vw,32px);line-height:1.3;letter-spacing:-.01em;
  display:flex;align-items:baseline;gap:12px;
}
.section-title h2 .idx{
  font-size:14px;color:var(--primary);letter-spacing:.14em;font-weight:700;
  border:1px solid var(--line-strong);border-radius:999px;padding:3px 10px;
}
.section-title p{max-width:620px;margin:4px 0 0;font-size:14px;color:var(--text-3);}
.link-more{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--primary);}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(10,7,19,.86);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:height var(--ease),background var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.6),rgba(255,63,127,.45),transparent);
}
.nav-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height var(--ease);
}
.site-header.is-shrink .nav-inner{height:56px;}
.logo{
  font-size:20px;font-weight:800;letter-spacing:.01em;color:var(--text-1);
  display:inline-flex;align-items:center;gap:2px;white-space:nowrap;
}
.logo:hover{color:var(--text-1);}
.logo .logo-nine{
  color:var(--primary);
  text-shadow:0 0 12px rgba(34,240,184,.6);
  padding:0 1px;
}
.logo .logo-suffix{color:var(--text-2);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;display:block;padding:10px 14px;font-size:15px;color:var(--text-2);
  border-radius:10px;transition:color var(--ease),background var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);border-radius:2px;
}
.nav-menu a:hover{color:var(--text-1);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{
  color:var(--text-1);text-shadow:0 0 10px rgba(34,240,184,.55);
}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active::before{
  content:"";position:absolute;left:-2px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 8px var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid transparent;transition:background var(--ease),color var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary{
  padding:13px 24px;border-radius:999px;background:var(--primary);color:#06110D;
  box-shadow:0 0 0 1px rgba(34,240,184,.35),0 8px 24px rgba(34,240,184,.18);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);color:#06110D;
  box-shadow:0 0 0 1px rgba(34,240,184,.5),0 12px 30px rgba(34,240,184,.3);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  padding:12px 22px;border-radius:var(--radius-sm);border:1px solid rgba(34,240,184,.45);
  color:var(--primary);background:transparent;
}
.btn-ghost:hover{background:var(--primary-dim);color:var(--primary);}
.btn-ghost:active{transform:scale(.98);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.nav-toggle{display:none;}
.search-row{
  display:none;border-top:1px solid var(--line);padding:14px 0 18px;
}
.search-row.is-open{display:block;}
.search-row form{display:flex;gap:12px;align-items:flex-end;}
.field{flex:1;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px;letter-spacing:.02em;}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  background:var(--bg-0);border:1px solid var(--line);color:var(--text-1);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,240,184,.14);}
.drawer{
  position:fixed;inset:68px 0 0 0;background:rgba(10,7,19,.97);z-index:55;
  display:none;flex-direction:column;justify-content:space-between;padding:24px 22px 32px;
}
.drawer.is-open{display:flex;}
.drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:22px;color:var(--text-1);padding:18px 0;border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(14px);
}
.drawer.is-open nav a{animation:drawerIn .32s ease forwards;}
.drawer.is-open nav a:nth-child(1){animation-delay:.04s;}
.drawer.is-open nav a:nth-child(2){animation-delay:.08s;}
.drawer.is-open nav a:nth-child(3){animation-delay:.12s;}
.drawer.is-open nav a:nth-child(4){animation-delay:.16s;}
.drawer nav a.is-active{color:var(--primary);}
@keyframes drawerIn{to{opacity:1;transform:translateY(0);}}
.drawer-foot{font-size:12px;color:var(--text-3);display:flex;flex-direction:column;gap:14px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:140px 0 clamp(56px,7vw,88px);
  background-image:linear-gradient(180deg,rgba(10,7,19,.9),rgba(10,7,19,.94)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(34,240,184,.16),transparent 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:flex;align-items:center;gap:clamp(32px,5vw,72px);}
.hero-copy{flex:1 1 58%;min-width:0;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.04em;
  color:var(--primary);background:var(--primary-dim);border:1px solid rgba(34,240,184,.3);
  border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.24;font-weight:700;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--primary);text-shadow:0 0 18px rgba(34,240,184,.35);}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:var(--text-2);max-width:620px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;align-items:center;gap:clamp(18px,3vw,38px);flex-wrap:wrap;}
.hero-stats .stat{display:flex;flex-direction:column;gap:2px;}
.hero-stats .stat b{font-size:clamp(22px,2.4vw,28px);color:var(--text-1);}
.hero-stats .stat span{font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.hero-stats .sep{width:1px;height:34px;background:var(--line);}
.hero-media{flex:0 0 auto;display:flex;justify-content:center;}
.phone{
  position:relative;width:clamp(240px,26vw,320px);aspect-ratio:9/16;border-radius:24px;
  overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 0 0 1px rgba(34,240,184,.14),0 0 46px rgba(34,240,184,.16),var(--shadow);
}
.phone img{width:100%;height:100%;object-fit:cover;}
.phone::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,7,19,.15) 30%,rgba(10,7,19,.92));
}
.phone-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;
  width:64px;height:64px;border-radius:50%;border:2px solid rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;color:#fff;
  background:rgba(10,7,19,.35);box-shadow:0 0 26px rgba(34,240,184,.45);
  transition:transform var(--ease);
}
.phone-play:hover{transform:translate(-50%,-50%) scale(1.06);}
.phone-meta{position:absolute;left:18px;right:18px;bottom:18px;z-index:3;}
.phone-meta p{font-size:13px;color:rgba(243,241,248,.86);margin:0 0 10px;}
.phone-bar{height:3px;border-radius:3px;background:rgba(255,255,255,.16);overflow:hidden;}
.phone-bar i{display:block;height:100%;width:64%;background:linear-gradient(90deg,var(--primary),var(--accent));}

/* ---------- 片段卡 ---------- */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.clip-card{
  position:relative;display:block;aspect-ratio:9/16;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),border-color var(--ease),box-shadow var(--ease);
}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease;}
.clip-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(10,7,19,.92));
}
.clip-card:hover{transform:translateY(-6px);border-color:rgba(34,240,184,.4);box-shadow:var(--shadow-glow);}
.clip-card:hover img{transform:scale(1.04);}
.clip-badge{
  position:absolute;top:14px;left:14px;z-index:3;font-size:12px;letter-spacing:.04em;
  padding:5px 11px;border-radius:999px;background:rgba(34,240,184,.15);
  color:var(--primary);backdrop-filter:blur(6px);
}
.clip-time{
  position:absolute;top:14px;right:14px;z-index:3;font-size:12px;padding:5px 10px;
  border-radius:999px;background:rgba(10,7,19,.6);color:var(--text-1);
}
.clip-body{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;}
.clip-body h3{
  font-size:16px;font-weight:600;line-height:1.45;color:var(--text-1);margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.clip-body .meta{font-size:13px;color:var(--text-2);display:flex;gap:14px;}
.clip-view{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.9);z-index:4;
  padding:9px 18px;border-radius:999px;background:var(--primary);color:#06110D;font-size:13px;font-weight:700;
  opacity:0;transition:opacity var(--ease),transform var(--ease);
}
.clip-card:hover .clip-view{opacity:1;transform:translate(-50%,-50%) scale(1);}

/* ---------- 种草清单 ---------- */
.pick-list{border-top:1px dashed rgba(255,255,255,.1);}
.pick-row{
  display:grid;grid-template-columns:88px 96px 1fr auto;gap:20px;align-items:center;
  padding:20px 12px;border-bottom:1px dashed rgba(255,255,255,.1);
  transition:background var(--ease);border-radius:12px;
}
.pick-row:hover{background:rgba(255,255,255,.03);}
.pick-num{
  font-size:40px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--primary);
  transition:color var(--ease);
}
.pick-row:hover .pick-num{color:var(--primary);}
.pick-thumb{
  width:96px;height:64px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-2);
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}
.pick-text h3{
  font-size:17px;font-weight:600;margin-bottom:4px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.pick-text p{
  font-size:14px;color:var(--text-2);margin:0 0 10px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;}
.tag{
  font-size:12px;letter-spacing:.04em;padding:3px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);transition:color var(--ease),border-color var(--ease);
}
.tag:hover{color:var(--primary);border-color:var(--line-strong);}
.pick-arrow{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);transition:color var(--ease),transform var(--ease),border-color var(--ease);
}
.pick-row:hover .pick-arrow{color:var(--primary);border-color:var(--line-strong);transform:translateX(4px);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;display:flex;flex-direction:column;gap:12px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(34,240,184,.35);box-shadow:var(--shadow);}
.news-cover{
  border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/9;background:var(--bg-1);
}
.news-cover img{width:100%;height:100%;object-fit:cover;}
.news-card h3{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.news-card:hover h3{color:var(--primary);}
.news-card .desc{
  font-size:14px;color:var(--text-2);line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;}
.news-foot time{font-size:13px;color:var(--text-3);}
.badge-cat{
  font-size:12px;letter-spacing:.04em;padding:4px 10px;border-radius:999px;
  background:var(--primary-dim);color:var(--primary);border:1px solid rgba(34,240,184,.24);
}
.empty-state{
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-lg);
  padding:52px 24px;text-align:center;color:var(--text-2);
}
.empty-state i{font-size:28px;color:var(--text-3);margin-bottom:14px;display:block;}
.empty-state p{font-size:14px;margin:0 0 10px;}
.skeleton-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.skeleton{
  height:210px;border-radius:var(--radius-lg);background:var(--bg-2);position:relative;overflow:hidden;
}
.skeleton::after{
  content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);
  animation:shimmer 1.6s infinite;
}
@keyframes shimmer{to{transform:translateX(100%);}}

/* ---------- 口碑 ---------- */
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;transition:border-color var(--ease);
}
.review-card:hover{border-color:rgba(34,240,184,.3);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;overflow:hidden;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#06110D;
}
.avatar img{width:100%;height:100%;object-fit:cover;}
.review-head .who{font-size:14px;font-weight:600;}
.review-head .who span{display:block;font-size:12px;color:var(--text-3);font-weight:400;}
.stars{margin-left:auto;color:var(--warn);font-size:13px;letter-spacing:2px;white-space:nowrap;}
.review-card p{font-size:14px;color:var(--text-2);margin:0 0 12px;line-height:1.8;}
.review-card .from{font-size:12px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:background var(--ease),border-color var(--ease);}
.faq-item.is-open{background:rgba(255,255,255,.03);border-color:rgba(34,240,184,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--text-1);
}
.faq-q .bar{width:3px;height:18px;background:var(--primary);border-radius:2px;flex:0 0 auto;box-shadow:0 0 10px rgba(34,240,184,.5);}
.faq-q .plus{
  margin-left:auto;width:24px;height:24px;border-radius:50%;flex:0 0 auto;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--text-2);transition:transform 240ms ease,color var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);color:var(--primary);border-color:var(--line-strong);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease;}
.faq-a p{padding:0 20px 20px 37px;font-size:15px;line-height:1.85;max-width:68ch;margin:0;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--bg-1);border-radius:24px;padding:clamp(28px,4vw,48px);
  border:1px solid var(--line);overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.7),rgba(255,63,127,.5),transparent);
}
.cta-band::after{
  content:"";position:absolute;top:-100px;right:-80px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(34,240,184,.14),transparent 66%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:10px;}
.cta-inner p{font-size:14px;color:var(--text-2);margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-0);margin-top:var(--gap-block);position:relative;padding-top:56px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.5),rgba(255,63,127,.35),transparent);
}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;padding-bottom:44px;}
.footer-col h4{font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.8;margin:0 0 16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px);}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:13px;
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.social-row a:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.footer-bottom span{letter-spacing:.02em;}
.sticky-buy{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  align-items:center;justify-content:space-between;gap:14px;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(18,11,30,.96);border-top:1px solid rgba(34,240,184,.28);
  transform:translateY(110%);transition:transform 240ms ease;
}
.sticky-buy.is-show{transform:translateY(0);}
.sticky-buy .sb-label{font-size:13px;color:var(--text-2);}
.sticky-buy .sb-label b{display:block;font-size:15px;color:var(--text-1);}

@media screen and (max-width:1024px){
  .container{padding:0 24px;}
  .nav-menu{display:none;}
  .nav-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding-top:120px;}
  .hero-grid{flex-direction:column;align-items:flex-start;}
  .hero-media{width:100%;justify-content:center;}
  .phone{width:78%;max-width:340px;}
  .clip-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid,.skeleton-grid{grid-template-columns:repeat(2,1fr);}
  .review-card{flex:0 0 calc((100% - 20px)/2);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:640px){
  .container{padding:0 18px;}
  body{line-height:1.9;}
  .site-header .nav-inner{height:60px;}
  .drawer{inset:60px 0 0 0;}
  .hero{padding-top:100px;}
  .hero-stats{gap:18px;}
  .hero-stats .sep{display:none;}
  .clip-grid{
    display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;
    padding-bottom:8px;scrollbar-width:none;
  }
  .clip-grid::-webkit-scrollbar{display:none;}
  .clip-card{flex:0 0 78%;scroll-snap-align:start;}
  .pick-row{grid-template-columns:44px 64px 1fr;gap:14px;}
  .pick-num{font-size:28px;}
  .pick-thumb{width:64px;height:64px;}
  .pick-text p{display:none;}
  .pick-arrow{display:none;}
  .news-grid,.skeleton-grid{grid-template-columns:1fr;}
  .review-card{flex:0 0 84%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%;}
  .sticky-buy{display:flex;}
  .site-footer{padding-bottom:72px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .clip-card:hover,.news-card:hover{transform:none;box-shadow:none;}
  .clip-card:hover img{transform:none;}
}

/* roulang page: article */
:root{
  --bg-0:#0A0713;
  --bg-1:#120B1E;
  --bg-2:#1A1128;
  --primary:#22F0B8;
  --primary-dim:rgba(34,240,184,.15);
  --accent:#FF3F7F;
  --warn:#FFD166;
  --text-1:#F3F1F8;
  --text-2:#A9A3B8;
  --text-3:#6E687E;
  --line:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-base:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(34,240,184,.28),0 0 26px rgba(34,240,184,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:clamp(56px,8vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg-1);
  color:var(--text-1);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
img{max-width:100%;display:block;object-fit:cover}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 3px rgba(34,240,184,.14);border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,7,19,.86);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.6),rgba(255,63,127,.45),transparent);
}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;transition:height .22s var(--ease)}
.site-header.is-scrolled .header-inner{height:56px}
.logo{display:inline-flex;align-items:center;font-size:20px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.logo-nine{color:var(--text-1)}
.logo-nine .logo-nine{
  color:var(--primary);
  padding:0 4px;
  border:1px solid rgba(34,240,184,.55);
  border-radius:8px;
  margin:0 2px;
  text-shadow:0 0 12px rgba(34,240,184,.7);
}
.logo-suffix{margin-left:4px;color:var(--text-2);font-weight:600}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:14px}
.nav-menu a{position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;transition:color .18s var(--ease)}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-menu a:hover{color:var(--text-1)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--text-1);text-shadow:0 0 10px rgba(34,240,184,.55)}
.nav-menu a.is-active::before{
  content:"";position:absolute;left:-13px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--primary);transform:translateY(-50%);
}
.nav-menu a.is-active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid transparent;
  background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--text-1)}
.icon-btn:active{transform:scale(.94)}
.nav-toggle{display:none}
.search-row{border-top:1px solid var(--line);background:rgba(10,7,19,.96)}
.search-row[hidden]{display:none}
.search-form{display:flex;gap:12px;align-items:flex-end;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}
.search-form .field{flex:1 1 260px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border:0;cursor:pointer;
  transition:transform .18s var(--ease),filter .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--primary);color:#06110D;border-radius:999px;padding:12px 26px;box-shadow:0 0 18px rgba(34,240,184,.22)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 26px rgba(34,240,184,.42);color:#06110D}
.btn-ghost{background:transparent;border:1px solid rgba(34,240,184,.45);color:var(--primary);border-radius:12px;padding:11px 22px}
.btn-ghost:hover{background:var(--primary-dim);color:var(--primary)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn:active{transform:scale(.98)}
.btn:disabled,.btn[disabled]{opacity:.4;pointer-events:none}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:rgba(10,7,19,.97);
  display:flex;flex-direction:column;padding:22px 20px calc(22px + env(safe-area-inset-bottom));
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .3s var(--ease),opacity .3s var(--ease),visibility .3s;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  font-size:22px;line-height:64px;color:var(--text-1);border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(10px);
}
.mobile-drawer.is-open .drawer-nav a{animation:drawerIn .42s var(--ease) forwards}
.mobile-drawer.is-open .drawer-nav a:nth-child(1){animation-delay:.04s}
.mobile-drawer.is-open .drawer-nav a:nth-child(2){animation-delay:.08s}
.mobile-drawer.is-open .drawer-nav a:nth-child(3){animation-delay:.12s}
.mobile-drawer.is-open .drawer-nav a:nth-child(4){animation-delay:.16s}
@keyframes drawerIn{to{opacity:1;transform:translateY(0)}}
.drawer-foot{margin-top:auto;padding-top:22px}
.drawer-foot .btn{width:100%}
.drawer-foot span{display:block;margin-top:12px;font-size:12px;color:var(--text-3);letter-spacing:.04em}

/* ============ 面包屑 ============ */
.crumb-bar{padding:24px 0 6px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);letter-spacing:.02em}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-3);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-hero{padding:14px 0 0}
.article-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.24;
  letter-spacing:-.01em;
  font-weight:700;
  max-width:960px;
}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:20px;font-size:13px;color:var(--text-2);letter-spacing:.02em;
}
.meta-bar .meta-link{color:var(--primary)}
.meta-bar .meta-link:hover{color:var(--primary);text-decoration:underline}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3)}
.tag-pill{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.04em;padding:4px 12px;border-radius:999px;
  background:var(--primary-dim);color:var(--primary);border:1px solid rgba(34,240,184,.28);
}
.cover-figure{margin:28px 0 0;position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line)}
.cover-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,7,19,0) 45%,rgba(10,7,19,.72) 100%);
  pointer-events:none;
}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-caption{
  position:absolute;left:22px;bottom:16px;z-index:2;
  font-size:13px;color:var(--text-2);letter-spacing:.02em;
}

/* ============ 正文布局 ============ */
.article-section{padding:var(--space-section) 0}
.article-grid{margin-top:0}
.article-main{max-width:780px}
.article-body{font-size:16px;line-height:1.9;color:var(--text-1);overflow-wrap:break-word}
.article-body p{margin:0 0 1.15em;color:var(--text-1)}
.article-body h2{
  font-size:24px;line-height:1.4;margin:40px 0 18px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body h3{font-size:19px;line-height:1.5;margin:30px 0 12px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em;line-height:1.9}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--primary);
  background:rgba(255,255,255,.03);border-radius:0 14px 14px 0;color:var(--text-2);
}
.article-body img{border-radius:var(--radius-img);margin:22px auto}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(34,240,184,.4);transition:border-color .18s var(--ease)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body code{background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:rgba(255,255,255,.04);font-weight:600;color:var(--text-1)}
.article-body strong{color:#fff}
.empty-state{
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.02);
}
.empty-state i{font-size:34px;color:var(--text-3)}
.empty-state p{margin:16px 0 20px;font-size:15px;color:var(--text-2)}

/* ============ 侧栏 ============ */
.article-side{max-width:330px;width:100%}
.side-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;margin-bottom:20px;
}
.side-card h3{font-size:15px;letter-spacing:.02em;color:var(--text-1);display:flex;align-items:center;gap:9px}
.side-card h3::before{content:"";width:3px;height:15px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.side-list{list-style:none;padding:0;margin:14px 0 0}
.side-list li{border-bottom:1px dashed rgba(255,255,255,.1)}
.side-list li:last-child{border-bottom:0}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--text-2);transition:color .18s var(--ease),transform .18s var(--ease);
}
.side-list a:hover{color:var(--primary);transform:translateX(2px)}
.side-list a i{font-size:11px;color:var(--text-3)}
.side-sticky{position:sticky;top:88px}
.side-cta{
  background:linear-gradient(160deg,rgba(34,240,184,.14),rgba(255,63,127,.12)),var(--bg-2);
  border:1px solid rgba(34,240,184,.24);
}
.side-cta p{font-size:14px;color:var(--text-2);margin:12px 0 18px;line-height:1.7}
.side-cta .btn{width:100%}

/* ============ 标签与分享 ============ */
.tag-share{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:20px 0;margin-top:36px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-item{
  font-size:12px;letter-spacing:.04em;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.tag-item:hover{color:var(--primary);border-color:rgba(34,240,184,.45);background:var(--primary-dim)}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.share-row a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.share-row a:hover{color:var(--primary);border-color:rgba(34,240,184,.45);transform:translateY(-2px)}

/* ============ 相关推荐 ============ */
.relate-section{padding:clamp(48px,6vw,80px) 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.section-head p{font-size:14px;color:var(--text-2);margin-top:8px}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:rgba(34,240,184,.35);box-shadow:var(--shadow-base)}
.card-cover{position:relative;overflow:hidden}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  font-size:17px;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-body h3{color:var(--primary)}
.card-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--text-3)}
.badge{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;
  padding:4px 11px;border-radius:999px;background:var(--primary-dim);color:var(--primary);
  border:1px solid rgba(34,240,184,.25);
}

/* ============ FAQ ============ */
.faq-section{padding:var(--space-section) 0 0}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.01);transition:background .22s var(--ease),border-color .22s var(--ease)}
.faq-item.is-open{background:rgba(255,255,255,.03);border-color:rgba(34,240,184,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:0;color:var(--text-1);
  padding:18px 20px;font-size:17px;font-weight:600;line-height:1.5;
}
.faq-q .bar{width:3px;height:18px;border-radius:2px;background:var(--primary);flex:none}
.faq-q .plus{
  margin-left:auto;flex:none;width:24px;height:24px;border-radius:50%;
  border:1px solid rgba(34,240,184,.4);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .24s var(--ease);
}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a p{padding:0 20px 20px 37px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:68ch}

/* ============ CTA ============ */
.cta-section{padding:var(--space-section) 0 0}
.cta-banner{
  position:relative;overflow:hidden;border-radius:24px;
  background:var(--bg-1) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border:1px solid var(--line);
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,7,19,.94) 8%,rgba(10,7,19,.72) 55%,rgba(10,7,19,.55) 100%);
}
.cta-banner::after{
  content:"";position:absolute;top:-40%;right:-10%;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,240,184,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;padding:clamp(30px,4vw,52px)}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;max-width:620px}
.cta-inner p{margin-top:12px;font-size:14px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 返回入口 ============ */
.back-section{padding:clamp(36px,5vw,56px) 0 0}
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 24px;
}
.back-bar span{font-size:14px;color:var(--text-2)}
.back-links{display:flex;flex-wrap:wrap;gap:20px;font-size:14px}
.back-links a{color:var(--primary);display:inline-flex;align-items:center;gap:7px}
.back-links a:hover{text-decoration:underline}

/* ============ 表单 ============ */
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.02em}
.field input,.field textarea{
  height:48px;border-radius:var(--radius-input);background:var(--bg-0);
  border:1px solid var(--line);color:var(--text-1);padding:0 14px;font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,240,184,.14);
}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--space-section);background:var(--bg-0);position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.6),rgba(255,63,127,.45),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  padding:clamp(44px,5vw,68px) 0 34px;
}
.footer-col h4{font-size:15px;color:var(--text-1);margin-bottom:16px}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px)}
.footer-col .logo{margin-bottom:14px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:13px;
  transition:color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.social-row a:hover{color:var(--primary);border-color:rgba(34,240,184,.45);transform:translateY(-2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding:20px 0 calc(22px + env(safe-area-inset-bottom));
  font-size:12px;color:var(--text-3);letter-spacing:.03em;
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 26px}
  .nav-menu{gap:20px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{display:none}
  .article-side{max-width:none;margin-top:36px}
  .side-sticky{position:static}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .cover-caption{left:18px;bottom:14px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .header-inner{height:60px}
  .site-header.is-scrolled .header-inner{height:56px}
  .logo{font-size:18px}
  .breadcrumb .current{max-width:100%}
  .article-hero h1{font-size:clamp(26px,7vw,34px)}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .faq-q{font-size:16px;padding:16px}
  .faq-a p{padding:0 16px 18px 33px}
  .cta-inner{padding:28px 20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .search-form .btn{width:100%}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .back-bar{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .card:hover{transform:none}
  .card:hover .card-cover img{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0713;
  --bg-1:#120B1E;
  --bg-2:#1A1128;
  --primary:#22F0B8;
  --primary-dim:rgba(34,240,184,.15);
  --accent:#FF3F7F;
  --warn:#FFD166;
  --text-1:#F3F1F8;
  --text-2:#A9A3B8;
  --text-3:#6E687E;
  --line:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-base:0 18px 44px rgba(0,0,0,.45);
  --shadow-neon:0 0 0 1px rgba(34,240,184,.28),0 0 26px rgba(34,240,184,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --nav-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-1);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color 180ms var(--ease)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 3px rgba(34,240,184,.14)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:var(--nav-h);
  background:rgba(10,7,19,.86);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:height 200ms var(--ease),background 200ms var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.6) 35%,rgba(255,63,127,.45) 70%,transparent);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h);transition:height 200ms var(--ease)}
.logo{font-size:20px;font-weight:800;color:var(--text-1);letter-spacing:-.01em;white-space:nowrap;display:inline-flex;align-items:baseline}
.logo:hover{color:var(--text-1)}
.logo .logo-nine{color:var(--primary)}
.logo .logo-suffix{color:var(--text-1);margin-left:2px}
.nav-desktop{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu a{
  position:relative;display:block;padding:10px 12px;font-size:15px;color:var(--text-2);border-radius:10px;
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease);
}
.nav-menu a:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--text-1);text-shadow:0 0 10px rgba(34,240,184,.55)}
.nav-menu a.is-active::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px rgba(34,240,184,.8);
}
.nav-menu a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--text-1);border-color:rgba(34,240,184,.35)}
.icon-btn:active{transform:scale(.96)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;text-align:center;
  transition:transform 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.btn-primary{
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  background:var(--primary);color:#06110D;
  box-shadow:0 0 0 1px rgba(34,240,184,.35),0 0 22px rgba(34,240,184,.22);
}
.btn-primary:hover{background:#3ef7c3;color:#06110D;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,240,184,.5),0 0 30px rgba(34,240,184,.32)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  padding:12px 22px;border-radius:12px;border:1px solid rgba(34,240,184,.45);
  background:transparent;color:var(--primary);
}
.btn-ghost:hover{background:var(--primary-dim);color:var(--primary);border-color:rgba(34,240,184,.7)}
.btn-ghost:active{transform:scale(.98)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.header-cta{font-size:14px;padding:11px 20px}

.search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:rgba(18,11,30,.97);
  border-bottom:1px solid var(--line);
  max-height:0;overflow:hidden;transition:max-height 240ms var(--ease);
}
.search-panel.is-open{max-height:120px}
.search-panel form{display:flex;gap:12px;align-items:flex-end;padding:16px 0 20px}
.search-panel .field{flex:1 1 auto}
.nav-toggle{display:none}

/* ============ 表单 ============ */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.02em}
.field input,.field select{
  height:48px;padding:0 14px;border-radius:var(--radius-input);
  background:var(--bg-0);border:1px solid var(--line);color:var(--text-1);font-size:15px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,240,184,.14)}
.field input:disabled{opacity:.4}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;isolation:isolate;
  padding:calc(var(--nav-h) + 72px) 0 64px;
  background:var(--bg-0);
}
.page-hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(10,7,19,.72) 0%,rgba(10,7,19,.88) 55%,var(--bg-1) 100%),
    radial-gradient(circle at 84% 12%,rgba(34,240,184,.18),transparent 58%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);letter-spacing:.02em}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-1)}
.hero-title{font-size:clamp(30px,4.6vw,52px);line-height:1.24;font-weight:700;letter-spacing:-.01em;margin-top:18px;max-width:16em}
.hero-title .accent{color:var(--primary);text-shadow:0 0 18px rgba(34,240,184,.35)}
.hero-sub{margin-top:16px;font-size:18px;color:var(--text-2);max-width:44em}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:34px}
.hero-stats .stat{padding:0 26px;border-left:1px solid var(--line)}
.hero-stats .stat:first-child{padding-left:0;border-left:0}
.hero-stats .stat b{display:block;font-size:26px;line-height:1.2;color:var(--text-1);font-variant-numeric:tabular-nums}
.hero-stats .stat small{font-size:13px;color:var(--text-3);letter-spacing:.02em}

/* ============ 板块 ============ */
.section{padding:clamp(56px,8vw,104px) 0}
.section-tight{padding-top:clamp(40px,5vw,64px)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:52em}
.section-link{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.section-link:hover{color:var(--primary);gap:10px}
.section-link i{font-size:12px}

/* ============ 双列大卡 ============ */
.topic-grid{margin-top:8px}
.topic-card{
  height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.topic-card:hover{transform:translateY(-5px);border-color:rgba(34,240,184,.35);box-shadow:var(--shadow-neon)}
.topic-card-link{display:flex;flex-direction:column;height:100%;color:inherit}
.topic-card-link:hover{color:inherit}
.topic-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1)}
.topic-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.topic-card:hover .topic-card-media img{transform:scale(1.04)}
.topic-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(10,7,19,.72) 100%)}
.topic-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.topic-card-body h3{font-size:19px;line-height:1.45;font-weight:600}
.topic-card:hover h3{color:var(--primary)}
.topic-card-body p{font-size:15px;line-height:1.85;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.badge{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:var(--primary-dim);color:var(--primary);border:1px solid rgba(34,240,184,.28);
}
.badge-hot{background:rgba(255,63,127,.14);color:var(--accent);border-color:rgba(255,63,127,.32)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:4px}
.tag{
  font-size:12px;letter-spacing:.04em;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:4px 11px;
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.topic-card:hover .tag{border-color:rgba(34,240,184,.3);color:var(--text-1)}
.card-meta{font-size:13px;color:var(--text-3);letter-spacing:.02em;display:flex;align-items:center;gap:10px}
.card-meta .num{color:var(--text-2)}

/* ============ 编号速览清单 ============ */
.brief-list{border-top:1px dashed rgba(255,255,255,.1)}
.brief-item{border-bottom:1px dashed rgba(255,255,255,.1);transition:background 200ms var(--ease)}
.brief-item:hover{background:rgba(255,255,255,.03)}
.brief-link{display:flex;align-items:center;gap:20px;padding:22px 12px;color:inherit}
.brief-link:hover{color:inherit}
.brief-num{
  flex:0 0 84px;font-size:42px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(34,240,184,.75);
  font-variant-numeric:tabular-nums;transition:color 200ms var(--ease),-webkit-text-stroke-color 200ms var(--ease);
}
.brief-item:hover .brief-num{color:var(--primary);-webkit-text-stroke-color:var(--primary)}
.brief-thumb{
  flex:0 0 108px;height:72px;border-radius:12px;overflow:hidden;background:var(--bg-2);border:1px solid var(--line);
}
.brief-thumb img{width:100%;height:100%;object-fit:cover}
.brief-text{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:6px}
.brief-text h3{font-size:17px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brief-item:hover h3{color:var(--primary)}
.brief-text p{font-size:14px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brief-tags{display:flex;gap:8px;flex-wrap:wrap}
.brief-tags span{font-size:12px;color:var(--text-3);border:1px solid var(--line);border-radius:999px;padding:2px 10px;transition:color 180ms var(--ease),border-color 180ms var(--ease)}
.brief-item:hover .brief-tags span{color:var(--text-2);border-color:rgba(34,240,184,.3)}
.brief-arrow{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:transform 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.brief-item:hover .brief-arrow{transform:translateX(4px);color:var(--primary);border-color:rgba(34,240,184,.4)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;margin-bottom:14px;background:transparent;
  transition:background 200ms var(--ease),border-color 200ms var(--ease);
}
.faq-item.is-open{background:rgba(255,255,255,.03);border-color:rgba(34,240,184,.28)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;text-align:left;
  background:transparent;border:0;color:var(--text-1);
  padding:18px 20px;font-size:17px;font-weight:600;line-height:1.5;
}
.faq-q .bar{flex:0 0 3px;height:18px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(34,240,184,.6)}
.faq-q .q-text{flex:1 1 auto}
.faq-q .plus{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:12px;
  transition:transform 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease);
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);color:var(--primary);border-color:rgba(34,240,184,.45)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a-inner{padding:0 20px 20px 35px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:68ch}

/* ============ CTA ============ */
.cta-band{
  position:relative;background:var(--bg-1);border-top:1px solid var(--line);overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.65) 40%,rgba(255,63,127,.5) 75%,transparent);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,240,184,.16),transparent 68%);pointer-events:none;
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;padding:clamp(48px,6vw,72px) 0}
.cta-text h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.cta-text p{margin-top:12px;font-size:14px;color:var(--text-2);max-width:46em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* 移动端吸附条 */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  align-items:center;justify-content:space-between;gap:12px;
  height:64px;padding:0 18px calc(0px + env(safe-area-inset-bottom));
  background:rgba(10,7,19,.94);backdrop-filter:blur(12px);
  border-top:1px solid rgba(34,240,184,.35);
  transform:translateY(100%);opacity:0;transition:transform 260ms var(--ease),opacity 260ms var(--ease);
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1}
.sticky-cta .sticky-label{font-size:13px;color:var(--text-2)}
.sticky-cta .sticky-label b{display:block;font-size:15px;color:var(--text-1);font-variant-numeric:tabular-nums}
.sticky-cta .btn-primary{padding:11px 20px;font-size:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-0);position:relative;padding:64px 0 0}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.55) 35%,rgba(255,63,127,.4) 70%,transparent);
}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1)}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:34em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2);display:inline-block;transition:color 180ms var(--ease),transform 180ms var(--ease)}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px)}
.footer-col .logo{font-size:19px;margin-bottom:14px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:13px;
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.social-row a:hover{color:var(--primary);border-color:rgba(34,240,184,.45);background:rgba(255,255,255,.04)}
.footer-bottom{
  margin-top:52px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--text-3);letter-spacing:.02em;
}

/* ============ 抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:100;background:rgba(10,7,19,.96);
  display:flex;flex-direction:column;padding:20px 22px calc(24px + env(safe-area-inset-bottom));
  transform:translateX(100%);opacity:0;pointer-events:none;
  transition:transform 260ms var(--ease),opacity 260ms var(--ease);
}
.drawer.is-open{transform:translateX(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:52px}
.drawer-nav{display:flex;flex-direction:column;margin-top:26px}
.drawer-nav a{
  font-size:22px;line-height:64px;color:var(--text-1);border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(14px);transition:opacity 200ms var(--ease),transform 200ms var(--ease),color 180ms var(--ease);
}
.drawer.is-open .drawer-nav a{opacity:1;transform:translateY(0)}
.drawer-nav a.is-active{color:var(--primary)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.drawer-foot small{font-size:12px;color:var(--text-3)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .header-cta{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-hero{padding:calc(var(--nav-h) + 56px) 0 52px}
}
@media (max-width:768px){
  .brief-num{flex:0 0 56px;font-size:32px}
  .brief-thumb{flex:0 0 88px;height:64px}
  .brief-text p{display:none}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .container{padding:0 18px}
  body{font-size:16px;line-height:1.9}
  .hero-stats{gap:18px}
  .hero-stats .stat{padding:0 14px}
  .hero-stats .stat b{font-size:22px}
  .topic-card-body{padding:18px 18px 20px}
  .brief-num{flex:0 0 44px;font-size:28px}
  .brief-thumb{display:none}
  .brief-link{gap:14px;padding:18px 6px}
  .faq-a-inner{padding:0 16px 18px 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding-bottom:64px}
  .sticky-cta{display:flex}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .topic-card:hover{transform:none}
  .topic-card:hover .topic-card-media img{transform:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0713;
  --bg-1:#120B1E;
  --bg-2:#1A1128;
  --primary:#22F0B8;
  --primary-dim:rgba(34,240,184,.15);
  --accent:#FF3F7F;
  --warn:#FFD166;
  --text-1:#F3F1F8;
  --text-2:#A9A3B8;
  --text-3:#6E687E;
  --line:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-base:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(34,240,184,.28),0 0 26px rgba(34,240,184,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --section-gap:clamp(56px,8vw,104px);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:68px;
  background:
    radial-gradient(760px 420px at 88% -60px,rgba(34,240,184,.10),transparent 70%),
    radial-gradient(620px 380px at -10% 24%,rgba(255,63,127,.08),transparent 70%),
    var(--bg-1);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color 180ms var(--ease),opacity 180ms var(--ease);}
a:hover,a:focus{color:var(--text-1);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--text-1);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 3px rgba(34,240,184,.14);border-radius:6px;}
::selection{background:var(--primary-dim);color:var(--text-1);}

/* 覆盖 Foundation 默认外观 */
.button,.button:focus,.button:hover,
button,button.button,button[type="submit"]{
  background-image:none;
  box-shadow:none;
  font-family:inherit;
}
.foundation a{color:var(--primary);}
.grid-container,.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.grid-container{padding-left:32px;padding-right:32px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  height:68px;
  background:rgba(10,7,19,.86);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:height 220ms var(--ease),background 220ms var(--ease);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.6) 32%,rgba(255,63,127,.45) 68%,transparent);
}
.site-header.is-shrink{height:56px;background:rgba(10,7,19,.94);}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:100%;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:baseline;
  gap:2px;
  font-size:20px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--text-1);
  white-space:nowrap;
}
.logo:hover{color:var(--text-1);}
.logo-nine{color:var(--text-1);}
.logo-nine .logo-nine{
  color:var(--primary);
  text-shadow:0 0 10px rgba(34,240,184,.55);
}
.logo-suffix{color:var(--primary);}
.nav-menu{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
  flex:1 1 auto;
  min-width:0;
}
.nav-menu a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;bottom:-4px;
  width:22px;height:2px;
  background:var(--primary);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 220ms var(--ease);
}
.nav-menu a:hover{color:var(--text-1);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{
  color:var(--text-1);
  text-shadow:0 0 10px rgba(34,240,184,.55);
}
.nav-menu a.is-active::before{
  content:"";
  position:absolute;
  left:-12px;top:50%;
  width:4px;height:4px;
  margin-top:-2px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(34,240,184,.9);
}
.nav-menu a.is-active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  background:transparent;
  color:var(--text-2);
  cursor:pointer;
  transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--text-1);border-color:rgba(34,240,184,.35);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  cursor:pointer;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 26px;
  border-radius:var(--radius-pill);
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),opacity 180ms var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-primary{
  background:var(--primary);
  color:#06110D;
  box-shadow:0 0 0 1px rgba(34,240,184,.3),0 8px 24px rgba(34,240,184,.18);
}
.btn-primary:hover{
  color:#06110D;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(34,240,184,.45),0 12px 30px rgba(34,240,184,.3);
}
.btn-ghost{
  background:transparent;
  color:var(--primary);
  border-color:rgba(34,240,184,.45);
  border-radius:12px;
}
.btn-ghost:hover{background:var(--primary-dim);color:var(--primary);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.header-cta{display:inline-flex;}
.search-row{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 0 12px;
}
.search-row.is-open{display:flex;}
.search-row input{
  flex:1 1 auto;
  height:44px;
  background:var(--bg-0);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  color:var(--text-1);
  padding:0 14px;
  font-size:14px;
}
.search-row input::placeholder{color:var(--text-3);}
.search-row input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,240,184,.14);}
.search-panel{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(10,7,19,.96);
}
.search-panel.is-open{display:block;}
.search-panel .container{padding-top:0;padding-bottom:0;}

.hamburger{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:12px;
  background:transparent;
  color:var(--text-1);
  cursor:pointer;
}
.hamburger:hover{border-color:rgba(34,240,184,.4);}
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(10,7,19,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  padding:84px 24px 32px;
  display:none;
  flex-direction:column;
  gap:4px;
  overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer a.drawer-link{
  font-size:22px;
  line-height:1.4;
  padding:18px 4px;
  color:var(--text-1);
  border-bottom:1px solid var(--line);
  opacity:0;
  transform:translateY(14px);
  animation:drawerIn 320ms var(--ease) forwards;
}
.drawer a.drawer-link.is-active{color:var(--primary);}
.drawer-close{
  position:absolute;
  top:18px;right:20px;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:50%;
  background:transparent;
  color:var(--text-1);
  cursor:pointer;
}
.drawer-foot{
  margin-top:auto;
  padding-top:28px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.drawer-foot span{font-size:12px;color:var(--text-3);letter-spacing:.04em;}
@keyframes drawerIn{to{opacity:1;transform:translateY(0);}}

/* ============ 紧凑标题条 ============ */
.page-head{
  position:relative;
  overflow:hidden;
  padding:clamp(40px,6vw,72px) 0 clamp(34px,5vw,58px);
  background:
    linear-gradient(115deg,rgba(34,240,184,.14) 0%,rgba(255,63,127,.12) 48%,rgba(26,17,40,.2) 100%),
    linear-gradient(180deg,var(--bg-1),var(--bg-0));
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.18;
  filter:saturate(120%);
}
.page-head::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.75) 30%,rgba(255,63,127,.55) 72%,transparent);
}
.page-head .container{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:18px;
  letter-spacing:.02em;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-3);opacity:.7;}
.breadcrumb .current{color:var(--text-1);}
.page-head h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.24;
  margin-bottom:16px;
  max-width:22ch;
}
.page-head h1 em{
  font-style:normal;
  color:var(--primary);
  text-shadow:0 0 16px rgba(34,240,184,.4);
}
.page-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:660px;
  margin-bottom:26px;
}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.04em;
  padding:6px 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  color:var(--text-2);
  background:rgba(255,255,255,.02);
}
.tag.is-primary{
  color:var(--primary);
  background:var(--primary-dim);
  border-color:rgba(34,240,184,.35);
}
.tag.is-accent{
  color:var(--accent);
  background:rgba(255,63,127,.12);
  border-color:rgba(255,63,127,.35);
}

/* ============ 通用板块 ============ */
.section{padding:var(--section-gap) 0;}
.section-tight{padding:clamp(40px,6vw,72px) 0;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:clamp(24px,3vw,40px);
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  display:flex;
  align-items:center;
  gap:14px;
}
.section-head h2 .idx{
  font-size:15px;
  color:var(--primary);
  border:1px solid rgba(34,240,184,.4);
  border-radius:8px;
  padding:4px 9px;
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.section-head .more{
  font-size:14px;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.section-head .more:hover{color:var(--primary);}
.lead{color:var(--text-2);font-size:16px;}
.muted{color:var(--text-3);}

/* ============ 主布局：锚点侧栏 + 卡片区 ============ */
.layout-main{padding:clamp(40px,6vw,80px) 0;}
.layout-grid{
  display:grid;
  grid-template-columns:minmax(0,260px) minmax(0,1fr);
  gap:clamp(28px,4vw,52px);
  align-items:start;
}
.anchor-aside{
  position:sticky;
  top:96px;
  align-self:start;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-base);
}
.anchor-aside h2{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--text-3);
  font-weight:600;
  margin-bottom:14px;
  text-transform:none;
}
.anchor-aside ul{display:flex;flex-direction:column;gap:2px;}
.anchor-aside a{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  color:var(--text-2);
  padding:10px 10px 10px 12px;
  border-radius:10px;
  border-left:2px solid transparent;
  transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease);
}
.anchor-aside a .dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--text-3);
  flex:0 0 auto;
  transition:background 180ms var(--ease),box-shadow 180ms var(--ease);
}
.anchor-aside a:hover{
  background:rgba(255,255,255,.04);
  color:var(--text-1);
  transform:translateX(2px);
}
.anchor-aside a.is-current{
  color:var(--primary);
  background:var(--primary-dim);
  border-left-color:var(--primary);
}
.anchor-aside a.is-current .dot{background:var(--primary);box-shadow:0 0 8px rgba(34,240,184,.9);}
.anchor-aside .aside-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}
.anchor-aside .aside-cta{margin-top:16px;}

.card-stream{display:flex;flex-direction:column;gap:clamp(34px,4.5vw,56px);}
.stream-block{scroll-margin-top:100px;}
.stream-block > header{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:12px;
  margin-bottom:20px;
  padding-bottom:12px;
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.stream-block > header h2{font-size:clamp(20px,2.2vw,26px);}
.stream-block > header .count{
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.04em;
}
.stream-block > header p{
  flex:1 1 100%;
  font-size:14px;
  color:var(--text-2);
  margin:0;
}

/* ============ 紧凑竖版卡片 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.compact-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  color:var(--text-1);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.compact-card:hover{
  color:var(--text-1);
  transform:translateY(-4px);
  border-color:rgba(34,240,184,.35);
  box-shadow:var(--shadow-glow);
}
.compact-thumb{
  position:relative;
  aspect-ratio:4/5;
  overflow:hidden;
  background:linear-gradient(160deg,var(--bg-1),var(--bg-2));
}
.compact-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 320ms var(--ease);
}
.compact-card:hover .compact-thumb img{transform:scale(1.05);}
.compact-thumb::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:52%;
  background:linear-gradient(180deg,transparent,rgba(10,7,19,.9));
}
.thumb-badges{
  position:absolute;
  top:12px;left:12px;right:12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  z-index:2;
}
.badge{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  letter-spacing:.04em;
  padding:5px 10px;
  border-radius:var(--radius-pill);
  background:rgba(34,240,184,.16);
  color:var(--primary);
  border:1px solid rgba(34,240,184,.28);
  line-height:1;
}
.badge.dark{
  background:rgba(10,7,19,.7);
  color:var(--text-2);
  border-color:var(--line);
}
.badge.hot{
  background:rgba(255,63,127,.16);
  color:var(--accent);
  border-color:rgba(255,63,127,.32);
}
.compact-body{
  padding:16px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.compact-body h3{
  font-size:16px;
  line-height:1.45;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color 180ms var(--ease);
}
.compact-card:hover .compact-body h3{color:var(--primary);}
.compact-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.02em;
  margin-top:auto;
}
.compact-meta .date{color:var(--text-3);}
.compact-meta .stat{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.stat-cell{
  background:var(--bg-1);
  padding:26px 22px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.stat-cell .value{
  font-size:clamp(24px,2.8vw,30px);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  color:var(--text-1);
  letter-spacing:-.01em;
}
.stat-cell .value em{font-style:normal;color:var(--primary);font-size:.62em;margin-left:4px;}
.stat-cell .label{font-size:13px;color:var(--text-3);letter-spacing:.03em;}

/* ============ 交叉链接 ============ */
.cross-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.cross-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:24px;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(34,240,184,.06),rgba(26,17,40,.6));
  color:var(--text-1);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.cross-card:hover{
  color:var(--text-1);
  transform:translateY(-4px);
  border-color:rgba(34,240,184,.35);
  box-shadow:var(--shadow-glow);
}
.cross-card .cross-icon{
  width:44px;height:44px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(34,240,184,.14);
  color:var(--primary);
  font-size:18px;
}
.cross-card h3{font-size:18px;}
.cross-card p{font-size:14px;color:var(--text-2);margin:0;}
.cross-card .go{
  margin-top:auto;
  font-size:13px;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.cross-card:hover .go i{transform:translateX(4px);}
.cross-card .go i{transition:transform 200ms var(--ease);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--bg-2);
  overflow:hidden;
  transition:background 200ms var(--ease),border-color 200ms var(--ease);
}
.faq-item.is-open{background:rgba(255,255,255,.03);border-color:rgba(34,240,184,.28);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 20px;
  background:transparent;
  border:0;
  color:var(--text-1);
  font-size:17px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
}
.faq-q .bar{
  width:3px;height:18px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(34,240,184,.6);
  flex:0 0 auto;
}
.faq-q .q-text{flex:1 1 auto;}
.faq-icon{
  width:24px;height:24px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  color:var(--text-2);
  flex:0 0 auto;
  transition:transform 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--primary);border-color:rgba(34,240,184,.4);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms var(--ease);
}
.faq-a .inner{
  padding:0 20px 20px 36px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:68ch;
}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(26,17,40,.95),rgba(18,11,30,.95));
  padding:clamp(30px,4.4vw,56px);
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:28px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  opacity:.16;
}
.cta-band::after{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.7) 34%,rgba(255,63,127,.5) 70%,transparent);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15px;max-width:52ch;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ============ 表单 ============ */
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.02em;}
.field input[type="text"],
.field input[type="email"]{
  height:48px;
  background:var(--bg-0);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  color:var(--text-1);
  padding:0 14px;
  font-size:15px;
  width:100%;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(34,240,184,.14);
}
.field.has-error input{border-color:var(--accent);}
.field .err{font-size:13px;color:var(--accent);display:none;}
.field.has-error .err{display:block;}

/* ============ 空态 / 加载态 ============ */
.empty-state{
  border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  padding:46px 24px;
  text-align:center;
  color:var(--text-3);
  background:rgba(255,255,255,.015);
}
.empty-state i{font-size:26px;color:var(--text-3);margin-bottom:12px;display:block;}
.empty-state p{font-size:14px;margin:0 0 10px;}
.skeleton{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  height:280px;
  position:relative;
  overflow:hidden;
}
.skeleton::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.05),transparent);
  transform:translateX(-100%);
  animation:sweep 1.4s infinite;
}
@keyframes sweep{to{transform:translateX(100%);}}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid var(--line);
  position:relative;
  padding-top:clamp(44px,6vw,72px);
  padding-bottom:28px;
  margin-top:var(--section-gap);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.6) 30%,rgba(255,63,127,.45) 70%,transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(24px,3vw,40px);
}
.footer-col .logo{font-size:18px;margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:16px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:14px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:14px;
  color:var(--text-2);
  display:inline-block;
  transition:color 180ms var(--ease),transform 180ms var(--ease);
}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px);}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--text-2);
  font-size:13px;
  transition:border-color 180ms var(--ease),color 180ms var(--ease),background 180ms var(--ease);
}
.social-row a:hover{color:var(--primary);border-color:rgba(34,240,184,.4);background:rgba(34,240,184,.08);}
.footer-bottom{
  margin-top:clamp(30px,4vw,48px);
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.02em;
}

/* ============ 移动端底部吸附条 ============ */
.sticky-buy{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  height:64px;
  padding:0 18px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(10,7,19,.96);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  transform:translateY(110%);
  opacity:0;
  transition:transform 260ms var(--ease),opacity 260ms var(--ease);
}
.sticky-buy.is-visible{transform:translateY(0);opacity:1;}
.sticky-buy .label{font-size:13px;color:var(--text-2);}
.sticky-buy .label strong{color:var(--text-1);font-variant-numeric:tabular-nums;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .container,.grid-container{padding-left:24px;padding-right:24px;}
  .header-inner{padding:0 24px;gap:16px;}
  .nav-menu,.header-cta{display:none;}
  .hamburger{display:inline-flex;align-items:center;justify-content:center;}
  .layout-grid{grid-template-columns:minmax(0,1fr);}
  .anchor-aside{
    position:static;
    padding:16px;
  }
  .anchor-aside ul{
    flex-direction:row;
    overflow-x:auto;
    gap:8px;
    padding-bottom:4px;
    -webkit-overflow-scrolling:touch;
  }
  .anchor-aside ul::-webkit-scrollbar{display:none;}
  .anchor-aside a{white-space:nowrap;border-left:0;border:1px solid var(--line);border-radius:var(--radius-pill);padding:8px 14px;}
  .anchor-aside a.is-current{border-color:rgba(34,240,184,.4);}
  .anchor-aside .aside-note,.anchor-aside .aside-cta{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cross-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:minmax(0,1fr);}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:767px){
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
}
@media screen and (max-width:640px){
  body{padding-top:60px;font-size:16px;line-height:1.9;}
  .site-header{height:60px;}
  .site-header.is-shrink{height:56px;}
  .container,.grid-container{padding-left:18px;padding-right:18px;}
  .header-inner{padding:0 18px;}
  .logo{font-size:18px;}
  .page-head h1{font-size:30px;max-width:none;}
  .page-sub{font-size:15px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .cross-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .sticky-buy{display:flex;}
  .site-footer{padding-bottom:88px;}
  .faq-q{font-size:16px;padding:16px;}
  .faq-a .inner{padding:0 16px 18px 31px;}
}
@media screen and (max-width:480px){
  .stat-strip{grid-template-columns:minmax(0,1fr);}
  .head-tags{gap:8px;}
  .tag{font-size:11px;padding:5px 10px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transform:none !important;
  }
  .compact-card:hover,.cross-card:hover{box-shadow:none;}
}

/* roulang page: category3 */
:root{
  --bg-0:#0A0713;
  --bg-1:#120B1E;
  --bg-2:#1A1128;
  --primary:#22F0B8;
  --primary-dim:rgba(34,240,184,.15);
  --accent:#FF3F7F;
  --warn:#FFD166;
  --text-1:#F3F1F8;
  --text-2:#A9A3B8;
  --text-3:#6E687E;
  --line:rgba(255,255,255,.08);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 18px 44px rgba(0,0,0,.45);
  --shadow-neon:0 0 0 1px rgba(34,240,184,.28),0 0 26px rgba(34,240,184,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:68px;
  --gutter:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg-0);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease),opacity .18s var(--ease);}
a:hover{color:var(--primary);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 3px rgba(34,240,184,.14);}
img{max-width:100%;display:block;}
h1,h2,h3,h4{color:var(--text-1);font-weight:700;margin:0;line-height:1.3;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.24;letter-spacing:-.01em;}
h2{font-size:clamp(22px,2.6vw,32px);}
h3{font-size:18px;line-height:1.45;font-weight:600;}
p{margin:0 0 1.2em;color:var(--text-2);}
p:last-child{margin-bottom:0;}
ul,ol{list-style:none;margin:0;padding:0;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
strong{font-variant-numeric:tabular-nums;}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;}
.grid-x{margin-left:calc(var(--gutter) * -1);margin-right:calc(var(--gutter) * -1);}
.grid-x>.cell{padding-left:var(--gutter);padding-right:var(--gutter);}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--header-h);
  background:rgba(10,7,19,.86);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:height .24s var(--ease),background .24s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.6) 35%,rgba(255,63,127,.45) 70%,transparent);
}
.site-header.is-shrunk{height:56px;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%;}
.logo{display:inline-flex;align-items:baseline;gap:3px;font-size:20px;font-weight:800;letter-spacing:.01em;color:var(--text-1);white-space:nowrap;}
.logo .logo-nine{color:var(--text-1);}
.logo .logo-nine .logo-nine{color:var(--primary);text-shadow:0 0 10px rgba(34,240,184,.55);}
.logo-suffix{font-size:15px;font-weight:700;color:var(--text-2);margin-left:2px;}
.logo:hover{color:var(--text-1);}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--text-2);
}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.nav-menu a:hover{color:var(--text-1);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--text-1);text-shadow:0 0 10px rgba(34,240,184,.55);}
.nav-menu a.is-active::before{
  content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--primary);transform:translateY(-50%);box-shadow:0 0 8px rgba(34,240,184,.8);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);background:transparent;transition:background .18s var(--ease),color .18s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.icon-btn:active{transform:scale(.96);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;font-size:15px;font-weight:600;border-radius:999px;
  border:1px solid transparent;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#06110D;box-shadow:0 0 0 1px rgba(34,240,184,.35),0 12px 30px rgba(34,240,184,.18);}
.btn-primary:hover{background:#3df7c5;color:#06110D;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,240,184,.5),0 16px 34px rgba(34,240,184,.28);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid rgba(34,240,184,.45);border-radius:12px;}
.btn-ghost:hover{background:var(--primary-dim);color:var(--primary);}
.btn-ghost:active{transform:scale(.98);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.hamburger{display:none;}
.search-row{
  position:absolute;top:100%;left:0;right:0;background:rgba(10,7,19,.96);
  border-bottom:1px solid var(--line);padding:16px 0;
  display:none;
}
.search-row.is-open{display:block;}
.search-inner{display:flex;gap:12px;align-items:flex-end;}
.search-inner .field{flex:1;}
.drawer{
  position:fixed;inset:0;z-index:70;background:rgba(10,7,19,.97);
  padding:88px 24px 32px;display:flex;flex-direction:column;
  transform:translateY(-100%);visibility:hidden;transition:transform .3s var(--ease),visibility .3s var(--ease);
}
.drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  font-size:22px;line-height:64px;color:var(--text-1);border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(10px);
}
.drawer.is-open .drawer-nav a{animation:drawerIn .34s var(--ease) forwards;}
.drawer.is-open .drawer-nav a:nth-child(1){animation-delay:.04s;}
.drawer.is-open .drawer-nav a:nth-child(2){animation-delay:.08s;}
.drawer.is-open .drawer-nav a:nth-child(3){animation-delay:.12s;}
.drawer.is-open .drawer-nav a:nth-child(4){animation-delay:.16s;}
@keyframes drawerIn{to{opacity:1;transform:translateY(0);}}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}
.drawer-foot small{display:block;margin-top:12px;font-size:12px;letter-spacing:.04em;color:var(--text-3);}

/* ---------- Hero ---------- */
.hero-cat3{
  position:relative;isolation:isolate;overflow:hidden;
  padding:calc(var(--header-h) + 76px) 0 80px;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.hero-cat3::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:linear-gradient(180deg,rgba(10,7,19,.93) 0%,rgba(10,7,19,.8) 42%,var(--bg-0) 100%);
}
.hero-cat3::after{
  content:"";position:absolute;z-index:-1;top:-140px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,240,184,.16),transparent 68%);
}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-3);margin-bottom:26px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.current{color:var(--text-2);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:999px;font-size:12px;letter-spacing:.04em;
  color:var(--primary);background:var(--primary-dim);border:1px solid rgba(34,240,184,.3);
}
.hero-cat3 h1{max-width:940px;}
.hero-cat3 h1::after{
  content:"";display:block;width:104px;height:4px;border-radius:2px;margin-top:22px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 18px rgba(34,240,184,.45);
}
.hero-lead{max-width:740px;margin:22px 0 0;font-size:17px;color:var(--text-2);line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:44px;border-top:1px solid var(--line);padding-top:26px;}
.hero-stats>div{padding-right:34px;margin-right:34px;border-right:1px solid var(--line);}
.hero-stats>div:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stats strong{display:block;font-size:clamp(22px,2.6vw,28px);color:var(--text-1);line-height:1.2;}
.hero-stats span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{position:relative;background:var(--bg-1);border-bottom:1px solid var(--line);}
.filter-pills{
  display:flex;gap:12px;overflow-x:auto;padding:18px 0;
  scrollbar-width:none;
}
.filter-pills::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  padding:9px 18px;font-size:14px;border-radius:999px;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.pill:hover{color:var(--primary);border-color:rgba(34,240,184,.45);background:var(--primary-dim);transform:translateY(-1px);}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,8vw,104px) 0;}
.section--tight{padding-top:clamp(40px,5vw,64px);}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px;}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.section-head p{max-width:640px;margin:10px 0 0 16px;font-size:15px;}
.sec-index{font-size:13px;letter-spacing:.16em;color:var(--primary);font-weight:700;margin-bottom:10px;display:block;}
.text-link{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--primary);}
.text-link i{transition:transform .18s var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 场景卡 ---------- */
.scene-card{
  height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;display:flex;flex-direction:column;gap:12px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(34,240,184,.35);box-shadow:var(--shadow);}
.scene-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-dim);color:var(--primary);font-size:18px;
}
.scene-card h3{font-size:17px;}
.scene-card p{font-size:14px;line-height:1.8;margin:0;color:var(--text-2);}
.scene-meta{font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-top:auto;padding-top:6px;}

/* ---------- 大数字编号清单 ---------- */
.num-item{
  position:relative;padding:30px 12px;border-bottom:1px dashed rgba(255,255,255,.1);
  align-items:center;
}
.num-item:first-child{border-top:1px dashed rgba(255,255,255,.1);}
.num-index{
  font-size:clamp(48px,7vw,92px);line-height:.9;font-weight:800;letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1.4px rgba(34,240,184,.7);
  transition:color .22s var(--ease),-webkit-text-stroke-color .22s var(--ease);
}
.num-item:hover .num-index{color:var(--primary);-webkit-text-stroke-color:transparent;}
.num-body h3{font-size:19px;margin-bottom:8px;}
.num-body p{font-size:14.5px;margin:0 0 12px;max-width:640px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(34,240,184,.45);}
.num-thumb{
  border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);
}
.num-thumb img{width:100%;height:100%;object-fit:cover;}

/* ---------- 竖屏横滑条 ---------- */
.rail{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  position:relative;flex:0 0 clamp(214px,22vw,262px);aspect-ratio:9/16;border-radius:var(--radius-lg);
  overflow:hidden;scroll-snap-align:start;border:1px solid var(--line);background:var(--bg-2);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  display:block;
}
.rail-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.rail-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:58%;
  background:linear-gradient(180deg,transparent,rgba(10,7,19,.94));
}
.rail-card:hover{transform:translateY(-6px);border-color:rgba(34,240,184,.4);box-shadow:var(--shadow-neon);}
.rail-card:hover img{transform:scale(1.04);}
.rail-badge{
  position:absolute;top:14px;left:14px;z-index:2;font-size:12px;letter-spacing:.04em;
  padding:4px 10px;border-radius:999px;color:var(--primary);background:var(--primary-dim);
  border:1px solid rgba(34,240,184,.3);
}
.rail-time{
  position:absolute;top:14px;right:14px;z-index:2;font-size:12px;padding:4px 10px;border-radius:8px;
  color:var(--text-1);background:rgba(10,7,19,.7);border:1px solid var(--line);
}
.rail-info{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;}
.rail-info h3{font-size:16px;font-weight:600;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-info span{display:block;margin-top:8px;font-size:13px;color:var(--text-2);}
.rail-info span b{color:var(--text-1);}
.rail-play{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);z-index:2;
  width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:2px solid rgba(255,255,255,.9);color:#fff;background:rgba(10,7,19,.35);
  box-shadow:0 0 22px rgba(34,240,184,.35);transition:transform .22s var(--ease),background .22s var(--ease);
}
.rail-card:hover .rail-play{transform:translate(-50%,-50%) scale(1.06);background:rgba(34,240,184,.2);}

/* ---------- 节点时间轴 ---------- */
.timeline{border-left:1px solid var(--line);margin-left:8px;padding-left:0;}
.timeline li{position:relative;padding:0 0 28px 28px;}
.timeline li::before{
  content:"";position:absolute;left:-4.5px;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--primary);box-shadow:0 0 10px rgba(34,240,184,.55);
}
.timeline time{display:block;font-size:13px;color:var(--text-3);letter-spacing:.02em;margin-bottom:6px;}
.timeline h3{font-size:16px;margin-bottom:6px;}
.timeline p{font-size:14px;margin:0;}
.status{
  display:inline-block;margin-left:10px;font-size:12px;padding:2px 10px;border-radius:999px;vertical-align:middle;
}
.status--live{color:var(--primary);background:var(--primary-dim);border:1px solid rgba(34,240,184,.3);}
.status--soon{color:var(--warn);background:rgba(255,209,102,.12);border:1px solid rgba(255,209,102,.3);}
.status--end{color:var(--text-3);background:rgba(255,255,255,.04);border:1px solid var(--line);}
.empty-state{
  margin-top:26px;padding:32px 24px;border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-lg);
  text-align:center;background:rgba(255,255,255,.02);
}
.empty-state i{font-size:26px;color:var(--text-3);display:block;margin-bottom:12px;}
.empty-state p{font-size:14px;color:var(--text-2);margin:0 0 10px;}
.skeleton{
  height:150px;border-radius:var(--radius-lg);background:var(--bg-2);border:1px solid var(--line);
  position:relative;overflow:hidden;
}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);
  transform:translateX(-100%);animation:sweep 1.6s infinite;
}
@keyframes sweep{to{transform:translateX(100%);}}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-md);background:var(--bg-1);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open{background:rgba(255,255,255,.03);border-color:rgba(34,240,184,.32);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--text-1);
}
.faq-q .bar{width:3px;height:18px;border-radius:2px;background:var(--primary);flex:0 0 auto;}
.faq-q .plus{
  margin-left:auto;width:24px;height:24px;border-radius:50%;flex:0 0 auto;
  border:1px solid rgba(34,240,184,.45);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .24s var(--ease),background .2s var(--ease);
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--primary-dim);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{padding:0 20px 20px 37px;margin:0;font-size:15px;line-height:1.85;max-width:68ch;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--bg-1);border-top:1px solid var(--line);
  border-radius:24px;padding:clamp(32px,4vw,52px);
  margin:clamp(56px,8vw,104px) 0;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.7),rgba(255,63,127,.5),transparent);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,240,184,.16),transparent 70%);
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{margin-bottom:10px;}
.cta-inner p{margin:0;font-size:14px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 表单 ---------- */
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.02em;}
.field input{
  height:48px;border-radius:var(--radius-sm);background:var(--bg-0);
  border:1px solid var(--line);color:var(--text-1);padding:0 16px;width:100%;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,240,184,.14);outline:none;}
.field.has-error input{border-color:var(--accent);}
.field .hint{font-size:13px;color:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);padding:clamp(48px,6vw,80px) 0 26px;position:relative;border-top:1px solid var(--line);}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,240,184,.6),rgba(255,63,127,.4),transparent);
}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:34px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text-1);}
.footer-col p{font-size:14px;color:var(--text-2);max-width:300px;margin:14px 0 0;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .18s var(--ease),transform .18s var(--ease);}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px);}
.footer-col .field input{background:var(--bg-1);}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);font-size:13px;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.social-row a:hover{color:var(--primary);border-color:rgba(34,240,184,.45);background:var(--primary-dim);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--text-3);letter-spacing:.02em;
}

/* ---------- 移动端吸附条 ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;
  align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(10,7,19,.94);border-top:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.mobile-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-cta span{font-size:13px;color:var(--text-2);}
.mobile-cta strong{display:block;font-size:15px;color:var(--text-1);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .grid-container{padding-left:24px;padding-right:24px;}
}
@media screen and (max-width:1024px){
  .nav-menu,.nav-actions .btn{display:none;}
  .hamburger{display:inline-flex;}
  .hero-cat3{padding:calc(var(--header-h) + 52px) 0 64px;}
  .num-item{padding:26px 12px;}
  .num-thumb{margin-top:16px;}
}
@media screen and (max-width:768px){
  :root{--gutter:10px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .hero-stats>div{padding-right:22px;margin-right:22px;}
  .cta-band{border-radius:18px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:640px){
  body{line-height:1.9;}
  .site-header{height:60px;}
  .hero-cat3{background-image:url("/assets/images/backpic/back-1.png");}
  .hero-stats{gap:18px 0;}
  .hero-stats>div{width:50%;padding-right:0;margin-right:0;border-right:0;}
  .rail-card{flex:0 0 78vw;}
  .mobile-cta{display:flex;}
  .site-footer{padding-bottom:96px;}
  .faq-q{font-size:16px;padding:16px;}
  .faq-a p{padding:0 16px 18px 33px;}
  .num-item{border-bottom:1px dashed rgba(255,255,255,.1);}
}
@media screen and (max-width:480px){
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}