/* roulang page: index */
:root{
  --bg:#05080F;
  --bg-2:#0A1120;
  --bg-3:#070B14;
  --card:rgba(255,255,255,.045);
  --card-strong:rgba(255,255,255,.07);
  --primary:#22E0B4;
  --primary-2:#0FB6A0;
  --accent:#FF6A2B;
  --text:#EAF1FF;
  --muted:#93A3C0;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --shadow-hover:0 18px 48px rgba(0,0,0,.55), 0 0 24px rgba(34,224,180,.18);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"JetBrains Mono","Courier New",monospace;
  --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 12% 6%, rgba(34,224,180,.12), transparent 42%),
    radial-gradient(circle at 88% 58%, rgba(88,110,255,.10), transparent 46%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,fixed,fixed;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.2em;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(34,224,180,.3);color:#fff;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#22E0B4 0%,#0FB6A0 100%);
  color:#04140F;
  box-shadow:0 8px 24px rgba(34,224,180,.22);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 34px rgba(34,224,180,.36);color:#04140F;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:var(--text);
  border:1px solid var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);transform:translateY(-2px);color:var(--text);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{filter:saturate(40%);cursor:not-allowed;transform:none;box-shadow:none;opacity:.75;}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;padding-top:16px;pointer-events:none;}
.dock{
  pointer-events:auto;
  position:relative;
  width:min(1080px,92vw);
  margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:8px 10px 8px 18px;
  border-radius:var(--r-pill);
  background:rgba(10,17,32,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07), 0 14px 36px rgba(0,0,0,.5);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled .dock{background:rgba(7,11,20,.9);box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 18px 44px rgba(0,0,0,.6);}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(150deg,rgba(34,224,180,.22),rgba(34,224,180,.05));
  border:1px solid rgba(34,224,180,.45);
  display:grid;place-items:center;
  box-shadow:0 0 16px rgba(34,224,180,.22);
}
.brand-mark span{display:block;width:3px;border-radius:2px;background:var(--primary);}
.brand-mark span:nth-child(1){height:8px;}
.brand-mark span:nth-child(2){height:15px;}
.brand-mark span:nth-child(3){height:11px;}
.brand-mark{display:flex;align-items:flex-end;justify-content:center;gap:3px;padding-bottom:6px;}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.4px;line-height:1.2;}
.brand-text small{display:block;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:1.4px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--muted);
  transition:color .22s ease,background .22s ease,transform .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:6px;width:0;height:3px;border-radius:3px;
  background:var(--primary);transform:translateX(-50%);transition:width .24s ease;
}
.nav-link:hover{color:var(--text);transform:translateY(-1px);}
.nav-link:hover::after{width:14px;}
.nav-link.active{background:linear-gradient(135deg,#22E0B4,#0FB6A0);color:#04140F;font-weight:700;}
.nav-link.active::after{display:none;}
.nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-pill);
  display:grid;place-items:center;color:var(--muted);
  border:1px solid transparent;transition:color .22s ease,background .22s ease,border-color .22s ease;
}
.icon-btn:hover{color:var(--primary);background:rgba(255,255,255,.06);border-color:var(--line);}
.burger{display:none;width:44px;height:44px;border-radius:var(--r-pill);place-items:center;color:var(--text);border:1px solid var(--line);}
.burger:hover{background:rgba(255,255,255,.06);}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;margin:3px auto;}
.search-pop,.drawer{
  pointer-events:auto;
  width:min(1080px,92vw);margin:10px auto 0;
  background:rgba(7,11,20,.94);
  border:1px solid var(--line);border-radius:var(--r-panel);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
  display:none;padding:16px;
}
.search-pop.open,.drawer.open{display:block;}
.search-pop form{display:flex;gap:10px;flex-wrap:wrap;}
.search-pop input{
  flex:1 1 240px;min-height:46px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  padding:0 16px;font-size:15px;
}
.search-pop input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,224,180,.16);outline:none;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-btn);
  font-size:15.5px;color:var(--text);background:rgba(255,255,255,.03);
}
.drawer-links a:hover{background:rgba(34,224,180,.12);color:var(--primary);}
.drawer-links a.active{background:linear-gradient(135deg,#22E0B4,#0FB6A0);color:#04140F;font-weight:700;}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  padding:150px 0 64px;
  background-image:linear-gradient(180deg,rgba(5,8,15,.78) 0%,rgba(5,8,15,.92) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,224,180,.5),transparent);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:48px;align-items:end;width:100%;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;min-height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid rgba(34,224,180,.35);
  background:rgba(34,224,180,.08);color:var(--primary);
  font-size:12.5px;letter-spacing:1px;margin-bottom:24px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);}
.hero h1{
  font-size:40px;line-height:1.2;margin-bottom:20px;max-width:16em;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:18px;color:var(--muted);max-width:36em;margin-bottom:32px;line-height:1.8;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-side{display:flex;flex-direction:column;gap:18px;}
.countdown{
  border:1px solid rgba(255,106,43,.5);
  border-radius:var(--r-panel);
  background:rgba(255,106,43,.07);
  padding:20px;
}
.countdown-label{font-size:12.5px;letter-spacing:1px;color:var(--accent);margin-bottom:14px;}
.countdown-nums{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;text-align:center;}
.countdown-nums b{display:block;font-family:var(--mono);font-size:26px;line-height:1.1;color:var(--text);}
.countdown-nums i{font-style:normal;font-size:12px;color:var(--muted);}
.hero-params{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-panel);overflow:hidden;
}
.hero-params div{background:rgba(10,17,32,.72);padding:18px;}
.hero-params strong{display:block;font-family:var(--mono);font-size:19px;color:var(--primary);letter-spacing:.02em;}
.hero-params span{font-size:13px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-y) 0;position:relative;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.3;}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;max-width:52em;}
.link-more{color:var(--primary);font-size:14.5px;font-weight:700;display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.link-more:hover{gap:12px;}

/* ---------- 合作背书 ---------- */
.logo-strip{padding:28px 0;border-bottom:1px solid var(--line);background:rgba(7,11,20,.6);}
.logo-strip-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:space-between;}
.logo-strip-inner span{
  filter:grayscale(1);opacity:.5;font-size:14px;letter-spacing:1px;
  padding:10px 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:filter .25s ease,opacity .25s ease,color .25s ease,border-color .25s ease;
}
.logo-strip-inner span:hover{filter:grayscale(0);opacity:1;color:var(--primary);border-color:rgba(34,224,180,.4);}

/* ---------- 时间线 ---------- */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;}
.tab{
  min-height:44px;padding:0 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--muted);font-size:14.5px;
  transition:all .22s ease;
}
.tab:hover{color:var(--text);background:rgba(255,255,255,.05);}
.tab.active{background:linear-gradient(135deg,#22E0B4,#0FB6A0);color:#04140F;font-weight:700;border-color:transparent;}
.timeline{position:relative;padding:8px 0;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(34,224,180,0),rgba(34,224,180,.85),rgba(34,224,180,0));
}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-bottom:32px;}
.tl-item:nth-child(odd) .tl-card{grid-column:1;}
.tl-item:nth-child(even) .tl-card{grid-column:2;}
.tl-item::before{
  content:"";position:absolute;left:50%;top:34px;width:12px;height:12px;border-radius:50%;
  transform:translate(-50%,-50%);
  background:var(--primary);box-shadow:0 0 0 4px rgba(34,224,180,.18),0 0 18px rgba(34,224,180,.7);
}
.tl-card{
  position:relative;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tl-card::before{content:"";position:absolute;top:0;left:22px;width:2px;height:26px;background:var(--primary);border-radius:2px;}
.tl-card:hover{transform:translateX(6px);border-color:rgba(34,224,180,.35);box-shadow:var(--shadow-hover);}
.tl-time{font-family:var(--mono);font-size:14px;color:var(--primary);letter-spacing:.04em;margin-bottom:10px;}
.tl-card h3{font-size:21px;margin-bottom:10px;}
.tl-meta{font-size:14px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;}
.tl-meta em{font-style:normal;color:var(--muted);}
.day-panel{display:none;}
.day-panel.active{display:block;}

/* ---------- 嘉宾卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.person-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.person-card::before{content:"";position:absolute;top:0;left:22px;width:2px;height:26px;background:var(--primary);border-radius:2px;z-index:2;}
.person-card:hover{transform:translateY(-4px);border-color:rgba(34,224,180,.35);box-shadow:var(--shadow-hover);}
.person-photo{aspect-ratio:4/3;background:#0A1120;overflow:hidden;}
.person-photo img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.person-card:hover .person-photo img{transform:scale(1.03);}
.person-body{padding:20px 22px 24px;}
.person-body h3{font-size:18px;margin-bottom:4px;}
.person-role{font-size:13px;color:var(--primary);margin-bottom:10px;}
.person-body p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- 票种 ---------- */
.price-wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;}
.price-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-panel);padding:32px 28px;box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.price-card::before{content:"";position:absolute;top:0;left:28px;width:2px;height:30px;background:var(--primary);border-radius:2px;}
.price-card:hover{transform:translateY(-6px);border-color:rgba(34,224,180,.35);box-shadow:var(--shadow-hover);}
.price-card.featured{transform:translateY(-8px);border-color:rgba(255,106,43,.45);background:rgba(255,106,43,.05);}
.price-card.featured:hover{transform:translateY(-14px);}
.price-badge{
  position:absolute;top:-14px;right:24px;
  background:var(--accent);color:#160800;font-size:12.5px;font-weight:700;
  padding:6px 14px;border-radius:var(--r-pill);letter-spacing:.5px;
}
.price-name{font-size:15px;color:var(--muted);margin-bottom:12px;}
.price-amount{font-family:var(--mono);font-size:40px;line-height:1;color:var(--text);margin-bottom:6px;}
.price-amount small{font-size:15px;color:var(--muted);margin-left:6px;font-family:var(--sans);}
.price-note{font-size:13.5px;color:var(--muted);margin-bottom:24px;}
.feature-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;}
.feature-list li{display:flex;gap:10px;font-size:14.8px;color:var(--text);line-height:1.7;}
.feature-list li::before{
  content:"";flex-shrink:0;width:16px;height:16px;margin-top:6px;border-radius:50%;
  background:rgba(34,224,180,.16);
  background-image:linear-gradient(45deg,transparent 42%,var(--primary) 42%,var(--primary) 52%,transparent 52%),
                   linear-gradient(-45deg,transparent 52%,var(--primary) 52%,var(--primary) 62%,transparent 62%);
}
.price-card .btn{width:100%;}
.price-scroll{overflow:visible;}

/* ---------- 报名表单 ---------- */
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;align-items:start;}
.cta-copy h2{font-size:30px;line-height:1.3;margin-bottom:18px;}
.cta-copy p{color:var(--muted);font-size:15.5px;}
.cta-points{display:flex;flex-direction:column;gap:14px;margin-top:28px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text);}
.cta-points li b{font-family:var(--mono);color:var(--primary);font-weight:700;}
.form-card{
  position:relative;
  background:var(--card);border:1px solid rgba(34,224,180,.35);
  border-radius:var(--r-panel);padding:32px;box-shadow:0 0 40px rgba(34,224,180,.12),var(--shadow);
  backdrop-filter:blur(6px);
}
.form-card::before{content:"";position:absolute;top:0;left:32px;width:2px;height:30px;background:var(--primary);border-radius:2px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}
.field label .req{color:var(--accent);margin-left:4px;}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 16px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--text);font-size:15px;transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,224,180,.16);
}
.field select option{background:#0A1120;color:var(--text);}
.field.error input,.field.error select{border-color:#FF5B5B;box-shadow:0 0 0 4px rgba(255,91,91,.14);}
.field .err-msg{display:none;font-size:13px;color:#FF8A8A;margin-top:6px;}
.field.error .err-msg{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-bottom:24px;}
.check-row input{width:18px;height:18px;margin-top:6px;accent-color:var(--primary);flex-shrink:0;}
.check-row label{font-size:13.5px;color:var(--muted);line-height:1.7;}
.form-note{
  display:none;margin-top:18px;padding:14px 18px;border-radius:var(--r-btn);
  background:rgba(34,224,180,.12);border:1px solid rgba(34,224,180,.4);
  color:var(--primary);font-size:14px;
}
.form-note.show{display:block;}

/* ---------- 资讯列表 ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card::before{content:"";position:absolute;top:0;left:20px;width:2px;height:26px;background:var(--primary);border-radius:2px;z-index:2;}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,224,180,.35);box-shadow:var(--shadow-hover);}
.post-thumb{aspect-ratio:16/10;background:#0A1120;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.chip{
  display:inline-flex;align-items:center;min-height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(34,224,180,.12);color:var(--primary);font-size:12.5px;margin-bottom:12px;
  align-self:flex-start;
}
.post-body h3{
  font-size:18px;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14.5px;color:var(--muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.post-foot .mono{color:var(--muted);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  border:1px dashed var(--line);border-radius:var(--r-panel);
  background:rgba(255,255,255,.02);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:rgba(34,224,180,.1);
  border:1px solid rgba(34,224,180,.3);color:var(--primary);font-family:var(--mono);font-size:20px;
}
.empty-state p{color:var(--muted);margin-bottom:20px;}
.skeleton{
  background:linear-gradient(90deg,rgba(255,255,255,.04),rgba(255,255,255,.09),rgba(255,255,255,.04));
  background-size:200% 100%;animation:sk 1.4s ease-in-out infinite;border-radius:var(--r-card);
}
@keyframes sk{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:14px 4px;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);
  transition:color .22s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-q .arrow{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--primary);
  transition:transform .24s ease,border-color .24s ease;
}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);border-color:rgba(34,224,180,.5);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{font-size:15px;line-height:1.85;color:var(--muted);padding:0 4px 22px;margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{font-size:16px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--primary);}
.footer-socials{display:flex;gap:10px;margin-top:20px;}
.footer-socials a{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);font-size:12px;
  transition:all .22s ease;
}
.footer-socials a:hover{color:var(--primary);border-color:rgba(34,224,180,.4);background:rgba(34,224,180,.08);}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--section-y:72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;align-items:start;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cards-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .price-wrap{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
  .price-card{padding:26px 20px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero h1{font-size:34px;}
  .section-head h2,.cta-copy h2{font-size:26px;}
}
@media (max-width:767px){
  .nav-links{display:none;}
  .burger{display:grid;}
  .dock{padding:8px 8px 8px 14px;gap:8px;}
  .brand-text small{display:none;}
  .hero{padding:132px 0 48px;min-height:auto;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-params{grid-template-columns:1fr 1fr;}
  .timeline::before{left:9px;}
  .tl-item{grid-template-columns:1fr;gap:0;padding-left:34px;}
  .tl-item:nth-child(odd) .tl-card,.tl-item:nth-child(even) .tl-card{grid-column:1;}
  .tl-item::before{left:9px;top:36px;}
  .tl-card:hover{transform:translateX(4px);}
  .price-wrap{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding:8px 4px 20px;}
  .price-card{min-width:78%;scroll-snap-align:center;flex-shrink:0;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-6px);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .grid-4{grid-template-columns:1fr;}
  .cards-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .form-card{padding:22px;}
  .countdown-nums b{font-size:22px;}
  .hero-params{grid-template-columns:1fr;}
}

/* roulang page: article */
/* ============ 设计令牌 ============ */
:root{
  --bg:#05080F;
  --bg-2:#0A1120;
  --bg-3:#070B14;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --primary:#22E0B4;
  --primary-2:#0FB6A0;
  --primary-soft:rgba(34,224,180,.12);
  --accent:#FF6A2B;
  --text:#EAF1FF;
  --muted:#93A3C0;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-hover:0 18px 48px rgba(0,0,0,.55), 0 0 24px rgba(34,224,180,.18);
  --sp-section:96px;
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  overflow-x:hidden;
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(640px 420px at 10% 4%, rgba(34,224,180,.12), transparent 70%),
    radial-gradient(760px 520px at 92% 18%, rgba(88,110,255,.10), transparent 72%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#22E0B4 0%,#0FB6A0 100%);
  color:#04140F;
  box-shadow:0 8px 26px rgba(34,224,180,.24);
}
.btn-primary:hover{
  color:#04140F;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 12px 34px rgba(34,224,180,.36),0 0 22px rgba(34,224,180,.26);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 18px rgba(34,224,180,.24);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{background:var(--glass-2);border-color:rgba(34,224,180,.5);color:var(--text);transform:translateY(-2px);}
.btn:disabled,
.btn[disabled]{filter:saturate(40%);opacity:.65;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 浮动 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:60;
  padding:0 16px;
}
.dock{
  width:min(1080px,100%);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  min-height:66px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(10,17,32,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 16px 40px rgba(0,0,0,.45);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled .dock{background:rgba(8,14,26,.9);border-color:rgba(255,255,255,.12);}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;min-height:44px;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:flex-end;justify-content:center;gap:3px;
  padding:7px 6px;
  background:linear-gradient(140deg,rgba(34,224,180,.22),rgba(34,224,180,.04));
  border:1px solid rgba(34,224,180,.4);
  box-shadow:0 0 18px rgba(34,224,180,.2) inset;
}
.brand-mark span{display:block;width:3px;border-radius:2px;background:var(--primary);}
.brand-mark span:nth-child(1){height:9px;opacity:.6;}
.brand-mark span:nth-child(2){height:16px;}
.brand-mark span:nth-child(3){height:12px;opacity:.8;}
.brand-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:15px;font-weight:700;letter-spacing:.01em;color:var(--text);
}
.brand-text small{font-size:11.5px;font-weight:400;color:var(--muted);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 14px;border-radius:999px;
  font-size:14.5px;color:var(--muted);font-weight:400;
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:6px;width:3px;height:3px;border-radius:50%;
  background:var(--primary);opacity:0;transform:translate(-50%,4px);transition:all .22s ease;
}
.nav-link:hover{color:var(--text);transform:translateY(-2px);}
.nav-link:hover::after{opacity:1;transform:translate(-50%,0);}
.nav-link.active{
  background:var(--primary);color:#04140F;font-weight:700;
  box-shadow:0 6px 20px rgba(34,224,180,.28);
}
.nav-link.active::after{opacity:0;}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);border:1px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.icon-btn:hover{color:var(--primary);background:var(--glass-2);border-color:var(--line);}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line);
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.search-pop{
  width:min(1080px,100%);
  margin:12px auto 0;
  padding:0 16px;
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height .3s ease,opacity .3s ease,padding .3s ease;
}
.search-pop.open{max-height:120px;opacity:1;padding:14px 16px;}
.search-pop form{
  display:flex;gap:10px;align-items:center;
  background:rgba(10,17,32,.9);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px;
  backdrop-filter:blur(14px);
}
.search-pop input{
  flex:1 1 auto;min-height:44px;padding:0 14px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:14.5px;
}
.search-pop input::placeholder{color:rgba(147,163,192,.75);}
.search-pop input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,224,180,.14);outline:none;}

.drawer{
  width:min(1080px,100%);
  margin:10px auto 0;
  background:rgba(10,17,32,.95);
  border:1px solid var(--line);
  border-radius:18px;
  backdrop-filter:blur(16px);
  overflow:hidden;
  max-height:0;
  transition:max-height .32s ease,padding .32s ease;
  padding:0 14px;
}
.drawer.open{max-height:320px;padding:12px 14px 16px;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 12px;border-radius:12px;
  color:var(--muted);font-size:15px;
}
.drawer-links a:hover{background:var(--glass-2);color:var(--text);}
.drawer-links a.active{color:var(--primary);background:var(--primary-soft);font-weight:700;}

/* ============ 面包屑 ============ */
.crumb-bar{padding-top:118px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.45;}
.crumb .current{color:var(--primary);max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.article-head{padding:28px 0 0;}
.article-head h1{
  font-size:40px;
  line-height:1.2;
  letter-spacing:-.01em;
  max-width:20ch;
  word-break:break-word;
}
.article-head h1::before{
  content:"";
  display:block;
  width:56px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(34,224,180,0));
  margin-bottom:20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:20px;
  font-size:13px;color:var(--muted);
}
.article-meta .dot{opacity:.4;}
.article-meta .cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--primary-soft);
  border:1px solid rgba(34,224,180,.28);
  color:var(--primary);
  font-size:12.5px;font-weight:700;
  line-height:1.6;
}

/* ============ 布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 300px;
  gap:48px;
  padding:44px 0 0;
  align-items:start;
}

/* ============ 正文 ============ */
.article-body{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:48px 52px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
  min-width:0;
}
.article-body::before{
  content:"";
  position:absolute;top:0;left:0;
  width:2px;height:72px;
  background:linear-gradient(180deg,var(--primary),rgba(34,224,180,0));
}
.article-body > *:first-child{margin-top:0;}
.article-body p{font-size:16px;line-height:1.9;margin:0 0 1.2em;color:#D8E2F4;}
.article-body p.lead{font-size:17.5px;color:var(--text);}
.article-body strong{color:var(--text);font-weight:700;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(34,224,180,.35);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body h2{
  font-size:30px;line-height:1.3;
  margin:40px 0 18px;
  padding-left:16px;
  position:relative;
  color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),rgba(34,224,180,.25));
}
.article-body h3{font-size:21px;line-height:1.4;margin:28px 0 14px;color:var(--text);}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--text);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul{list-style:none;}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:10px;color:#D8E2F4;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(34,224,180,.5);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:10px;color:#D8E2F4;}
.article-body blockquote{
  margin:26px 0;
  padding:20px 24px;
  border-left:3px solid var(--primary);
  background:rgba(255,255,255,.045);
  border-radius:0 12px 12px 0;
  color:#C9D6EC;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;height:auto;border-radius:12px;
  margin:26px 0 10px;
  background:rgba(255,255,255,.05);
  object-fit:cover;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  font-size:13px;color:var(--muted);text-align:center;margin-top:10px;
}
.article-body pre{
  margin:24px 0;
  padding:20px 22px;
  border-radius:12px;
  background:#03060C;
  border:1px solid var(--line);
  overflow-x:auto;
  font-family:var(--mono);
  font-size:13.5px;
  line-height:1.75;
  color:#B9E9DA;
}
.article-body code{
  font-family:var(--mono);
  font-size:.92em;
  background:rgba(34,224,180,.12);
  border:1px solid rgba(34,224,180,.22);
  border-radius:6px;
  padding:2px 6px;
  color:#8FF0D8;
}
.article-body pre code{background:none;border:0;padding:0;color:inherit;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;
}
.article-body th{background:rgba(255,255,255,.05);color:var(--text);font-weight:700;}
.article-body td:last-child,.article-body th:last-child{border-right:0;}

/* 空态 */
.empty-state{
  text-align:center;
  padding:60px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-panel);
  background:var(--glass);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);
  border:1px solid rgba(34,224,180,.3);
  color:var(--primary);
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:24px;}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:110px;}
.side-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  position:relative;
  box-shadow:var(--shadow-card);
}
.side-card::before{
  content:"";position:absolute;top:0;left:24px;width:2px;height:26px;
  background:var(--primary);border-radius:0 0 2px 2px;
}
.side-card h3{font-size:16px;margin-bottom:16px;padding-top:4px;}
.side-list li + li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
.side-list a{display:block;font-size:14.5px;line-height:1.65;color:#D3DDEF;font-weight:400;}
.side-list a:hover{color:var(--primary);}
.side-list .side-time{
  display:block;margin-top:6px;font-size:12.5px;color:var(--muted);
  font-family:var(--mono);
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:999px;
  font-size:13px;
  background:var(--glass-2);
  border:1px solid var(--line);
  color:var(--muted);
  transition:all .22s ease;
  min-height:36px;
}
.chip:hover{
  color:var(--primary);
  border-color:rgba(34,224,180,.45);
  background:var(--primary-soft);
  transform:translateY(-2px);
}
.side-cta{
  background:linear-gradient(150deg,rgba(34,224,180,.14),rgba(255,255,255,.04));
  border:1px solid rgba(34,224,180,.3);
  border-radius:var(--r-card);
  padding:24px;
  text-align:left;
}
.side-cta h3{font-size:17px;margin-bottom:10px;}
.side-cta p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-bottom:18px;}

/* ============ 文末区域 ============ */
.article-foot{margin-top:40px;}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-group .label{font-size:13px;color:var(--muted);margin-right:4px;}

.post-nav{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;
  margin-top:40px;
}
.post-nav-card{
  display:block;
  padding:22px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:all .25s ease;
  min-height:44px;
}
.post-nav-card:hover{
  border-color:rgba(34,224,180,.35);
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  color:inherit;
}
.post-nav-card .kicker{
  display:block;font-size:12.5px;color:var(--primary);margin-bottom:10px;
  font-family:var(--mono);letter-spacing:.06em;
}
.post-nav-card h3{font-size:16px;line-height:1.55;color:var(--text);font-weight:700;}

.section-block{padding:var(--sp-section) 0 0;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:32px;
}
.section-head h2{font-size:30px;line-height:1.3;}
.section-head .more{font-size:14px;color:var(--primary);font-weight:700;}
.section-head .more:hover{color:#5CF0CE;}

.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  position:relative;
  box-shadow:var(--shadow-card);
  transition:all .28s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:2px;height:26px;
  background:var(--primary);z-index:2;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,224,180,.35);
  box-shadow:var(--shadow-hover);
  color:inherit;
}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  background:rgba(255,255,255,.05);
  overflow:hidden;
}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body h3{
  font-size:17px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-foot time{font-size:12.5px;color:var(--muted);font-family:var(--mono);}
.card-foot .link{font-size:13.5px;color:var(--primary);font-weight:700;}

/* ============ CTA ============ */
.cta-panel{
  margin-top:var(--sp-section);
  border-radius:var(--r-panel);
  border:1px solid rgba(34,224,180,.28);
  background:linear-gradient(140deg,rgba(34,224,180,.13),rgba(255,255,255,.035) 55%,rgba(255,106,43,.08));
  padding:48px;
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,180,.16),transparent 70%);
}
.cta-panel h2{font-size:30px;line-height:1.3;margin-bottom:14px;}
.cta-panel p{font-size:15px;color:#C6D3E8;line-height:1.9;max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-stat{
  display:flex;flex-direction:column;gap:8px;
  padding:22px 24px;border-radius:var(--r-card);
  background:rgba(5,8,15,.55);
  border:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.cta-stat .num{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--primary);line-height:1;}
.cta-stat .lab{font-size:13px;color:var(--muted);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sp-section);
  background:var(--bg-3);
  border-top:1px solid var(--line);
  padding:72px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.9;max-width:34ch;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--primary);}
.footer-col ul li{font-size:14px;color:var(--muted);}
.footer-socials{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;}
.footer-socials a{
  min-width:56px;min-height:38px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:10px;
  font-size:13px;color:var(--muted);
  transition:all .22s ease;
}
.footer-socials a:hover{color:var(--primary);border-color:rgba(34,224,180,.5);transform:translateY(-2px);}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1120px;}
}
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .nav-links{display:none;}
  .burger{display:flex;}
  .article-head h1{font-size:34px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .sidebar{position:static;}
  .article-body{padding:36px 30px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:minmax(0,1fr);padding:36px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767px){
  .dock{border-radius:22px;padding:10px 12px;gap:10px;}
  .brand-text small{display:none;}
  .nav-right .btn-sm{display:none;}
  .crumb-bar{padding-top:106px;}
  .post-nav{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:639px){
  :root{--sp-section:56px;}
  .container{padding:0 16px;}
  .article-head h1{font-size:30px;max-width:none;}
  .article-body{padding:28px 20px;border-radius:var(--r-card);}
  .article-body h2{font-size:24px;margin-top:32px;}
  .article-body h3{font-size:19px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .section-head h2{font-size:24px;}
  .cta-panel{padding:28px 22px;}
  .cta-panel h2{font-size:24px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;gap:8px;}
  .search-pop{padding:0 10px;}
  .search-pop.open{padding:12px 10px;}
  .search-pop form{flex-direction:column;align-items:stretch;}
  .site-header{padding:0 10px;top:10px;}
}

/* roulang page: category1 */
:root{
  --bg:#05080F;
  --bg-soft:#0A1120;
  --glass:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(34,224,180,.35);
  --primary:#22E0B4;
  --primary-deep:#0FB6A0;
  --accent:#FF6A2B;
  --text:#EAF1FF;
  --muted:#93A3C0;
  --dim:#6D7C99;
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-hover:0 18px 46px rgba(0,0,0,.55), 0 0 24px rgba(34,224,180,.18);
  --container:1240px;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.9;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(circle at 10% 6%,rgba(34,224,180,.12),transparent 42%),
    radial-gradient(circle at 90% 20%,rgba(88,110,255,.10),transparent 46%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px}
h1{font-size:40px;line-height:1.2}
h2{font-size:30px;line-height:1.3}
h3{font-size:21px;line-height:1.45}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ============ 顶部浮动 Dock 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:16px 4vw 0;display:flex;flex-direction:column;align-items:center;gap:10px;
}
.dock{
  width:min(1080px,92vw);display:flex;align-items:center;gap:20px;
  padding:10px 14px 10px 20px;border-radius:var(--r-pill);
  background:rgba(10,17,32,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 16px 40px rgba(0,0,0,.45);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled .dock{background:rgba(7,11,20,.9);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 20px 48px rgba(0,0,0,.6)}
.brand{display:flex;align-items:center;gap:12px;min-height:44px;flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;width:30px;height:30px;padding:6px;border-radius:10px;background:linear-gradient(135deg,rgba(34,224,180,.18),rgba(34,224,180,.04));border:1px solid rgba(34,224,180,.35)}
.brand-mark span{display:block;width:3px;border-radius:2px;background:var(--primary);box-shadow:0 0 8px rgba(34,224,180,.55)}
.brand-mark span:nth-child(1){height:7px}
.brand-mark span:nth-child(2){height:13px}
.brand-mark span:nth-child(3){height:18px}
.brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.15;white-space:nowrap}
.brand-text small{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;
  font-size:15px;color:var(--muted);border-radius:var(--r-pill);transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:6px;width:3px;height:3px;border-radius:50%;
  background:var(--primary);opacity:0;transform:translateX(-50%) scale(.4);transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--text);transform:translateY(-1px)}
.nav-link:hover::after{opacity:1;transform:translateX(-50%) scale(1)}
.nav-link.active{color:#04140F;background:linear-gradient(135deg,var(--primary),var(--primary-deep));font-weight:700}
.nav-link.active::after{opacity:0}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--muted);transition:color .2s,border-color .2s,background .2s}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(255,255,255,.04)}
.burger{display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);flex-direction:column;align-items:center;justify-content:center;gap:4px}
.burger span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.search-pop{
  width:min(1080px,92vw);display:none;padding:14px;border-radius:var(--r-panel);
  background:rgba(10,17,32,.92);border:1px solid var(--line);backdrop-filter:blur(16px);
  box-shadow:0 20px 48px rgba(0,0,0,.55);
}
.search-pop.open{display:block}
.search-pop form{display:flex;gap:10px}
.search-pop input{
  flex:1;min-height:46px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line);transition:border-color .2s,box-shadow .2s;
}
.search-pop input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,224,180,.16)}
.drawer{
  width:min(1080px,92vw);display:none;padding:10px;border-radius:var(--r-panel);
  background:rgba(10,17,32,.94);border:1px solid var(--line);backdrop-filter:blur(16px);
  box-shadow:0 20px 48px rgba(0,0,0,.55);
}
.drawer.open{display:block}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;
  border-radius:var(--r-btn);color:var(--muted);font-size:15px;
}
.drawer-links a:hover,.drawer-links a.active{color:var(--primary);background:rgba(34,224,180,.08)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#04140F;box-shadow:0 8px 22px rgba(34,224,180,.22)}
.btn-primary:hover{color:#04140F;transform:translateY(-2px);box-shadow:0 12px 30px rgba(34,224,180,.38);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(34,224,180,.25)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.06);color:var(--text);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.6;filter:saturate(.6);cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 面包屑 + 页头 ============ */
main{padding-top:118px;position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--dim);padding:18px 0 0;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb span.sep{color:rgba(255,255,255,.2)}
.breadcrumb .current{color:var(--primary)}
.page-hero{
  position:relative;margin-top:22px;padding:52px 40px;border-radius:var(--r-panel);overflow:hidden;
  background:linear-gradient(120deg,rgba(10,17,32,.94),rgba(10,17,32,.72)),
             url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
}
.page-hero > *{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(34,224,180,.1);border:1px solid rgba(34,224,180,.3);
  font-size:12.5px;letter-spacing:1px;color:var(--primary);
}
.eyebrow i{display:block;width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.page-hero h1{max-width:820px}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.page-hero .lead{margin-top:18px;max-width:720px;font-size:17px;color:var(--muted)}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat{
  min-width:150px;padding:14px 18px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);
}
.stat b{display:block;font-family:var(--mono);font-size:22px;color:var(--primary);line-height:1.4}
.stat span{font-size:13px;color:var(--muted)}

/* ============ 通用板块 ============ */
.section{padding:88px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
.section-head h2{max-width:760px}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}
.section-more{font-size:14px;color:var(--primary);border-bottom:1px solid rgba(34,224,180,.35);padding-bottom:2px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 交错双栏条目流 ============ */
.flow{border-top:1px solid var(--line)}
.flow-item{
  display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);
  gap:48px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line);
}
.flow-item.rev{grid-template-columns:minmax(0,1fr) minmax(0,400px)}
.flow-item.rev .flow-media{order:2}
.flow-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--bg-soft);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.flow-media::before{
  content:"";position:absolute;top:0;left:0;width:2px;height:46px;background:var(--primary);
  box-shadow:0 0 12px rgba(34,224,180,.6);z-index:2;
}
.flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#0d1526;transition:transform .45s ease}
.flow-item:hover .flow-media{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.flow-item:hover .flow-media img{transform:scale(1.03)}
.flow-body{min-width:0}
.flow-index{
  display:inline-block;font-family:var(--mono);font-size:14px;letter-spacing:2px;
  color:var(--primary);margin-bottom:12px;
}
.flow-body h3{margin-bottom:12px}
.flow-body p{color:var(--muted);font-size:15.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.tag.hot{color:var(--accent);border-color:rgba(255,106,43,.35);background:rgba(255,106,43,.08)}
.read-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:14px;color:var(--primary);min-height:44px}
.read-link:hover{gap:11px}
.read-link span{transition:transform .2s ease}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:700;color:var(--text);min-height:44px;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .24s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{top:9px;left:0;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .24s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 40px 24px 4px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ 跳转卡 + CTA ============ */
.jump-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.jump-card{
  position:relative;display:block;padding:28px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.jump-card::before{content:"";position:absolute;top:0;left:0;width:2px;height:40px;background:var(--primary);box-shadow:0 0 12px rgba(34,224,180,.6)}
.jump-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);color:inherit}
.jump-card b{display:block;font-size:19px;margin-bottom:8px}
.jump-card p{font-size:14.5px;color:var(--muted)}
.jump-card .jump-tag{display:inline-block;margin-bottom:14px;font-size:12.5px;color:var(--primary);font-family:var(--mono);letter-spacing:1.5px}
.cta-band{
  margin-top:64px;padding:44px 40px;border-radius:var(--r-panel);
  background:linear-gradient(120deg,rgba(34,224,180,.12),rgba(10,17,32,.9) 55%),var(--bg-soft);
  border:1px solid rgba(34,224,180,.24);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:26px}
.cta-band p{margin-top:8px;font-size:15px;color:var(--muted)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;margin-top:96px;padding:64px 0 28px;
  background:#070B14;border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-text{font-size:16px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;max-width:360px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a,.footer-col ul li{font-size:14px;color:var(--muted)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-socials{display:flex;gap:10px;margin-top:18px}
.footer-socials a{
  display:inline-flex;align-items:center;justify-content:center;min-width:56px;height:36px;padding:0 12px;
  border:1px solid var(--line);border-radius:10px;font-size:13px;color:var(--muted);
}
.footer-socials a:hover{color:var(--primary);border-color:var(--line-strong)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--dim);
}

/* ============ 骨架加载 ============ */
.skeleton{position:relative;overflow:hidden;background:rgba(255,255,255,.05)}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.07),transparent);
  animation:sk 1.4s infinite;
}
@keyframes sk{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  h1{font-size:34px}
  h2{font-size:26px}
  main{padding-top:108px}
  .nav-links{display:none}
  .burger{display:flex}
  .flow-item,.flow-item.rev{grid-template-columns:1fr;gap:24px}
  .flow-item.rev .flow-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .jump-grid{grid-template-columns:1fr}
  .page-hero{padding:40px 28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .site-header{padding:12px 3vw 0}
  .brand-text small{display:none}
  .page-hero{padding:32px 20px}
  .hero-stats{gap:10px}
  .stat{min-width:0;flex:1 1 44%;padding:12px 14px}
  .section{padding:56px 0 0}
  .cta-band{padding:32px 22px}
  .faq-a-inner{padding-right:10px}
}
@media (max-width:560px){
  h1{font-size:30px}
  h2{font-size:23px}
  h3{font-size:19px}
  .dock{gap:10px;padding:8px 10px}
  .brand-text{font-size:14px}
  .btn-sm{padding:0 14px;font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --bg:#05080F;
  --bg-2:#0A1120;
  --bg-3:#070B14;
  --glass:rgba(255,255,255,.045);
  --primary:#22E0B4;
  --primary-2:#0FB6A0;
  --accent:#FF6A2B;
  --text:#EAF1FF;
  --muted:#93A3C0;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --r-card:16px;
  --r-panel:20px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-hover:0 18px 48px rgba(0,0,0,.55),0 0 24px rgba(34,224,180,.18);
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --container:1240px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100%;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  background-color:var(--bg);
  background-image:
    radial-gradient(720px 520px at 10% -8%,rgba(34,224,180,.12),transparent 62%),
    radial-gradient(680px 500px at 90% 2%,rgba(79,110,255,.10),transparent 60%),
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-position:0 0,0 0,-1px -1px,-1px -1px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:10px}
::selection{background:rgba(34,224,180,.32);color:#03110D}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container{width:min(var(--container),92vw);margin-inline:auto}
.section{padding-block:var(--sec)}
.section-tight{padding-block:56px}

/* ---------- 顶部悬浮导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1080px,92vw);
  display:flex;align-items:center;gap:14px;
  padding:8px 10px 8px 18px;
  border-radius:var(--r-pill);
  background:rgba(10,17,32,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:0 12px 40px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
  transition:background-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled .dock{
  background:rgba(7,11,20,.92);
  box-shadow:0 16px 46px rgba(0,0,0,.62),inset 0 1px 0 rgba(255,255,255,.07);
}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px}
.brand-mark span{width:4px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-2));display:block;box-shadow:0 0 10px rgba(34,224,180,.55)}
.brand-mark span:nth-child(1){height:9px}
.brand-mark span:nth-child(2){height:15px}
.brand-mark span:nth-child(3){height:20px}
.brand-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;letter-spacing:.01em;line-height:1.2;white-space:nowrap}
.brand-text small{font-size:11.5px;font-weight:400;color:var(--muted);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;margin-right:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--muted);
  transition:color .2s ease,background-color .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--text);transform:translateY(-1px)}
.nav-link::after{
  content:"";position:absolute;bottom:7px;left:50%;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--primary);opacity:0;transition:opacity .2s ease
}
.nav-link:hover::after{opacity:1}
.nav-link.active{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04211A;font-weight:700;transform:none
}
.nav-link.active::after{opacity:0}
.nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);color:var(--muted);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease
}
.icon-btn:hover{color:var(--primary);border-color:rgba(34,224,180,.4);background:rgba(34,224,180,.08)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,#22E0B4 0%,#0FB6A0 100%);
  color:#04211A;
  box-shadow:0 8px 24px rgba(34,224,180,.24)
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(34,224,180,.4);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(34,224,180,.3)}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--text)
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);opacity:.6;cursor:not-allowed;transform:none}
.burger{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px
}
.burger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.search-pop{
  position:absolute;top:78px;left:50%;transform:translateX(-50%) translateY(-10px);
  width:min(560px,92vw);padding:14px;border-radius:var(--r-panel);
  background:rgba(10,17,32,.94);border:1px solid var(--line);
  box-shadow:0 20px 50px rgba(0,0,0,.6);
  opacity:0;visibility:hidden;pointer-events:none;transition:.25s ease;z-index:95
}
.search-pop.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.search-pop form{display:flex;gap:10px}
.search-pop input{
  flex:1;min-height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease
}
.search-pop input::placeholder{color:rgba(147,163,192,.75)}
.search-pop input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,224,180,.16)}
.drawer{
  position:fixed;top:88px;left:0;right:0;z-index:88;
  padding:0 4vw;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:.28s ease;pointer-events:none
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.drawer-links{
  display:flex;flex-direction:column;gap:4px;padding:14px;
  border-radius:var(--r-panel);
  background:rgba(10,17,32,.96);
  border:1px solid var(--line);
  box-shadow:0 22px 54px rgba(0,0,0,.62)
}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-btn);
  font-size:15px;color:var(--muted)
}
.drawer-links a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.drawer-links a.active{background:linear-gradient(135deg,rgba(34,224,180,.22),rgba(34,224,180,.08));color:var(--primary);font-weight:700}

/* ---------- 页面头部 ---------- */
.page-head{position:relative;padding:132px 0 46px;overflow:hidden;isolation:isolate}
.page-head-bg{
  position:absolute;inset:0;z-index:-2;
  background-size:cover;background-position:center;
  opacity:.2;filter:saturate(.65)
}
.page-head::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(5,8,15,.86) 0%,rgba(5,8,15,.96) 70%,var(--bg) 100%)
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb .sep{color:rgba(147,163,192,.55)}
.breadcrumb .current{color:var(--primary)}
.page-head h1{
  font-size:clamp(30px,4vw,40px);
  line-height:1.2;font-weight:700;letter-spacing:.005em;
  max-width:20em
}
.page-head h1 em{font-style:normal;color:var(--primary)}
.page-head-sub{margin-top:16px;font-size:16.5px;color:var(--muted);max-width:44em}
.hero-params{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin-top:34px;padding:18px;
  border:1px solid var(--line);border-radius:var(--r-panel);
  background:var(--glass)
}
.hero-params .p-item{display:flex;flex-direction:column;gap:4px}
.hero-params .p-num{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--primary);line-height:1.2}
.hero-params .p-label{font-size:13px;color:var(--muted)}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  padding:16px;margin-top:36px;
  border:1px solid var(--line);border-radius:var(--r-panel);
  background:var(--glass)
}
.filter-tabs{display:flex;flex-wrap:wrap;gap:8px}
.tab{
  display:inline-flex;align-items:center;min-height:44px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:14px;color:var(--muted);
  transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease
}
.tab:hover{color:var(--text);background:rgba(255,255,255,.06);transform:translateY(-1px)}
.tab.active{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04211A;font-weight:700;border-color:transparent
}
.filter-search{display:flex;gap:8px;flex:1;min-width:260px;max-width:420px}
.filter-search input{
  flex:1;min-height:44px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease
}
.filter-search input::placeholder{color:rgba(147,163,192,.72)}
.filter-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,224,180,.16)}

/* ---------- 网格卡片 ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:8px}
.section-head .link-more{font-size:14.5px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;min-height:44px}
.section-head .link-more:hover{color:#5BF0CD}
.news-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.news-card{
  position:relative;display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease
}
.news-card::before{
  content:"";position:absolute;top:0;left:0;width:56px;height:2px;z-index:4;
  background:linear-gradient(90deg,var(--primary),rgba(34,224,180,0))
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(34,224,180,.35);box-shadow:var(--shadow-hover)}
.nc-media{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:#0A1120}
.nc-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .nc-media img{transform:scale(1.03)}
.nc-badge{
  position:absolute;left:12px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:700;
  background:rgba(5,8,15,.72);color:var(--primary);
  border:1px solid rgba(34,224,180,.35);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)
}
.nc-badge.hot{color:#FFB08A;border-color:rgba(255,106,43,.4)}
.nc-body{display:flex;flex-direction:column;flex:1;gap:10px;padding:18px}
.nc-title{font-size:16.5px;line-height:1.55;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .nc-title a{color:var(--primary)}
.nc-sum{font-size:14px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nc-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.nc-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(147,163,192,.5)}

/* ---------- 分页 ---------- */
.pagination{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:44px}
.page-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 12px;border-radius:var(--r-btn);
  border:1px solid var(--line);font-family:var(--mono);font-size:14px;color:var(--muted);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease
}
.page-num:hover{color:var(--text);border-color:rgba(34,224,180,.4);background:rgba(34,224,180,.07)}
.page-num.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#04211A;border-color:transparent;font-weight:700}
.page-next{margin-left:4px}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.35fr .85fr;gap:32px;align-items:center;
  padding:44px;border-radius:var(--r-panel);
  border:1px solid rgba(34,224,180,.25);
  background:
    radial-gradient(520px 320px at 88% 12%,rgba(34,224,180,.16),transparent 62%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02)),
    var(--bg-2);
  box-shadow:0 18px 54px rgba(0,0,0,.5)
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.cta-panel p{margin-top:14px;font-size:15.5px;color:var(--muted);max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.cta-stat{
  padding:16px;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(255,255,255,.035)
}
.cta-stat .num{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--primary);line-height:1.2}
.cta-stat .lbl{font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sec);background:var(--bg-3);border-top:1px solid var(--line);padding-block:56px 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:16px}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;max-width:32em}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:var(--muted)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.footer-socials a{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 14px;border-radius:10px;
  border:1px solid var(--line);font-size:13.5px;color:var(--muted)
}
.footer-socials a:hover{color:var(--primary);border-color:rgba(34,224,180,.42);background:rgba(34,224,180,.07)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:rgba(147,163,192,.85)
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-links{display:none}
  .burger{display:inline-flex}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-params{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .filter-search{max-width:none;width:100%}
}
@media (max-width:767px){
  .page-head{padding:116px 0 36px}
  .brand-text small{display:none}
  .filter-bar{padding:14px}
  .section-head{align-items:flex-start}
}
@media (max-width:639px){
  :root{--sec:56px}
  .news-grid{grid-template-columns:1fr}
  .hero-params{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-stats{grid-template-columns:1fr}
  .cta-panel{padding:24px}
  .page-head h1{font-size:30px}
  .filter-search{flex-direction:column}
  .filter-search .btn{width:100%}
  .filter-tabs{gap:6px}
  .tab{padding:0 13px;font-size:13.5px}
}