/* roulang page: index */
:root{
  --bg-base:#05080F;
  --bg-deep:#0A1120;
  --bg-elev:rgba(18,30,56,0.55);
  --line-glass:rgba(120,190,255,0.14);
  --brand:#2F6BFF;
  --accent:#00E5C0;
  --hot:#FF4E7A;
  --text-1:#E8F0FF;
  --text-2:#93A3BE;
  --text-3:#5C6B85;
  --radius-card:18px;
  --radius-lg:24px;
  --radius-pill:999px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(0,229,192,.5),0 0 28px rgba(0,229,192,.35);
  --grad:linear-gradient(135deg,rgba(47,107,255,.35),rgba(0,229,192,.22));
  --ease:cubic-bezier(.2,.7,.3,1);
  --section-gap:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background:var(--bg-base);
  background-image:
    radial-gradient(900px 520px at 12% -8%,rgba(47,107,255,.20),transparent 70%),
    radial-gradient(760px 460px at 92% 6%,rgba(0,229,192,.12),transparent 72%),
    radial-gradient(700px 500px at 50% 108%,rgba(47,107,255,.12),transparent 70%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(0,229,192,.28);color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  transition:background .3s var(--ease),border-color .3s var(--ease),height .3s var(--ease);
  border-bottom:1px solid transparent;
  background:rgba(5,8,15,.55);
  backdrop-filter:blur(10px) saturate(130%);
}
.site-header.scrolled{
  background:rgba(8,14,26,.82);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom-color:var(--line-glass);
  box-shadow:0 10px 40px rgba(0,0,0,.42);
}
.nav-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
  transition:height .3s var(--ease);
}
.site-header.scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--grad);
  border:1px solid rgba(0,229,192,.4);
  display:grid;place-items:center;
  box-shadow:0 0 18px rgba(0,229,192,.25);
  flex:0 0 auto;
}
.brand-mark span{font-family:"JetBrains Mono",monospace;font-size:14px;font-weight:700;color:#04121A;letter-spacing:-.5px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:17px;font-weight:800;letter-spacing:-.2px;color:var(--text-1);}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--accent);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:8px 14px;
  font-size:14px;font-weight:500;color:var(--text-2);
  border-radius:var(--radius-pill);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:20px;height:2px;border-radius:2px;background:var(--accent);
  transition:transform .25s var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(120,190,255,.07);}
.nav-links a:hover::after,.nav-links a.active::after{transform:translateX(-50%) scaleX(1);}
.nav-links a.active{color:var(--text-1);}
.nav-side{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.5px;
  color:var(--accent);
  border:1px solid rgba(0,229,192,.28);
  background:rgba(0,229,192,.08);
  white-space:nowrap;
}
.status-badge i{font-size:9px;animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .28s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  text-align:center;
}
.btn-primary{
  background:var(--grad),linear-gradient(135deg,#00E5C0,#2F6BFF);
  color:#04121A;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(0,229,192,.65),0 0 36px rgba(0,229,192,.5);filter:brightness(1.08);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(18,30,56,.45);
  border-color:var(--line-glass);
  color:var(--text-1);
  backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{padding:9px 18px;font-size:13px;}
.btn-lg{padding:17px 34px;font-size:16px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:14px;font-weight:600;
  border-bottom:1px solid transparent;
  transition:gap .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.text-link:hover{border-bottom-color:rgba(0,229,192,.6);gap:10px;color:#5BFFE3;}

/* ---------- nav toggle ---------- */
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  background:rgba(18,30,56,.6);border:1px solid var(--line-glass);
  color:var(--text-1);font-size:16px;cursor:pointer;
  align-items:center;justify-content:center;
}
.mobile-drawer{
  position:fixed;inset:0;z-index:120;display:none;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(6px);
}
.mobile-drawer.open{display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(84vw,340px);height:100%;
  background:var(--bg-deep);
  border-left:1px solid var(--line-glass);
  padding:22px 20px 32px;
  display:flex;flex-direction:column;
  animation:slideIn .28s var(--ease);
}
@keyframes slideIn{from{transform:translateX(100%);}to{transform:translateX(0);}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line-glass);
  background:transparent;color:var(--text-2);font-size:16px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--text-2);
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(120,190,255,.08);color:var(--text-1);border-color:var(--line-glass);}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ---------- hero ---------- */
.hero{padding:64px 0 72px;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;left:50%;top:-180px;transform:translateX(-50%);
  width:760px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,107,255,.24),transparent 68%);
  pointer-events:none;z-index:0;
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:340px minmax(0,1fr);
  gap:56px;align-items:center;
}
.phone-frame{
  position:relative;
  width:100%;max-width:320px;
  aspect-ratio:9/16;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(120,190,255,.24);
  box-shadow:0 0 0 1px rgba(0,229,192,.14),0 30px 70px rgba(0,0,0,.6),0 0 60px rgba(47,107,255,.28);
  background:var(--bg-deep) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.phone-frame::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.1) 0%,rgba(5,8,15,.15) 45%,rgba(5,8,15,.86) 100%);
}
.phone-tag{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:5px 11px;border-radius:6px;
  font-size:11px;font-weight:700;letter-spacing:.6px;
  color:var(--hot);
  background:rgba(255,78,122,.14);
  border:1px solid rgba(255,78,122,.4);
}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:66px;height:66px;border-radius:50%;
  background:rgba(0,229,192,.16);
  border:1px solid rgba(0,229,192,.6);
  backdrop-filter:blur(8px);
  display:grid;place-items:center;color:var(--accent);font-size:20px;
  box-shadow:0 0 32px rgba(0,229,192,.4);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);box-shadow:0 0 46px rgba(0,229,192,.62);}
.phone-meta{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:18px 18px 20px;
}
.phone-meta h4{font-size:15px;font-weight:700;margin-bottom:4px;}
.phone-meta p{font-size:12px;color:var(--text-2);line-height:1.6;}
.hero-copy{max-width:640px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.6px;font-weight:600;
  color:var(--accent);text-transform:uppercase;margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:block;}
.hero-copy h1{
  font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#00E5C0,#2F6BFF 85%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);line-height:1.85;margin-bottom:28px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.4px;
  color:var(--text-2);
  border:1px solid var(--line-glass);
  background:rgba(18,30,56,.42);
}
.tag i{color:var(--accent);font-size:11px;}
.tag.hot{color:var(--hot);border-color:rgba(255,78,122,.36);background:rgba(255,78,122,.1);}
.tag.hot i{color:var(--hot);}

/* ---------- section base ---------- */
.section{padding:var(--section-gap) 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:-.3px;line-height:1.3;}
.section-head p{font-size:15px;color:var(--text-2);margin-top:10px;max-width:620px;}
.section-head .text-link{flex:0 0 auto;padding-bottom:4px;}

/* ---------- reel cards ---------- */
.reel-track{
  display:flex;gap:20px;overflow-x:auto;
  padding:4px 4px 20px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.reel-track::-webkit-scrollbar{height:6px;}
.reel-track::-webkit-scrollbar-thumb{background:rgba(120,190,255,.22);border-radius:99px;}
.reel-card{
  position:relative;flex:0 0 246px;aspect-ratio:9/16;
  border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line-glass);
  background:var(--bg-deep);
  scroll-snap-align:start;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.reel-card:hover{transform:translateY(-4px);border-color:rgba(0,229,192,.5);box-shadow:0 24px 56px rgba(0,0,0,.55),0 0 30px rgba(0,229,192,.2);}
.reel-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.reel-card:hover img{transform:scale(1.05);}
.reel-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(5,8,15,.55) 66%,rgba(5,8,15,.94) 100%);
}
.reel-hot{
  position:absolute;top:12px;right:12px;z-index:3;
  padding:4px 9px;border-radius:6px;
  font-size:11px;font-weight:700;letter-spacing:.4px;
  font-family:"JetBrains Mono",monospace;
  color:#12040A;background:var(--hot);
  box-shadow:0 0 18px rgba(255,78,122,.5);
}
.reel-info{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:16px 16px 18px;}
.reel-info h3{font-size:14px;font-weight:700;line-height:1.5;margin-bottom:5px;}
.reel-info span{font-size:11px;color:var(--text-2);letter-spacing:.4px;}

/* ---------- numbered list ---------- */
.list-stack{display:flex;flex-direction:column;gap:26px;}
.list-row{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  padding:26px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-glass);
  background:var(--bg-elev);
  backdrop-filter:blur(18px) saturate(140%);
  transition:border-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.list-row:hover{border-color:rgba(0,229,192,.36);transform:translateY(-3px);box-shadow:var(--shadow-card);}
.list-row.reverse .row-text{order:2;}
.list-row.reverse .row-media{order:1;}
.row-media{border-radius:var(--radius-card);overflow:hidden;aspect-ratio:4/3;border:1px solid rgba(120,190,255,.12);}
.row-media img{width:100%;height:100%;object-fit:cover;}
.row-index{
  font-family:"JetBrains Mono",monospace;
  font-size:44px;font-weight:700;line-height:1;letter-spacing:-2px;
  color:transparent;-webkit-text-stroke:1px rgba(0,229,192,.55);
  margin-bottom:14px;
}
.row-text h3{font-size:21px;font-weight:700;margin-bottom:12px;letter-spacing:-.2px;}
.row-text p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:8px;}
.row-text .text-link{margin-top:8px;font-size:13px;}

/* ---------- reviews strip ---------- */
.review-track{
  display:flex;gap:18px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 306px;min-height:148px;
  padding:22px;
  border-radius:var(--radius-card);
  border:1px solid var(--line-glass);
  background:var(--bg-elev);
  backdrop-filter:blur(18px) saturate(140%);
  display:flex;flex-direction:column;gap:10px;
  scroll-snap-align:start;
  transition:border-color .28s var(--ease),transform .28s var(--ease);
}
.review-card:hover{border-color:rgba(0,229,192,.34);transform:translateY(-3px);}
.stars{color:var(--hot);font-size:12px;letter-spacing:2px;}
.review-card p{font-size:14px;color:var(--text-2);line-height:1.75;flex:1;}
.review-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3);}
.review-meta span:first-child{color:var(--text-2);font-weight:600;}

/* ---------- cms news ---------- */
.news-list{display:flex;flex-direction:column;gap:18px;}
.news-card{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:22px;
  padding:18px;
  border-radius:var(--radius-card);
  border:1px solid var(--line-glass);
  background:var(--bg-elev);
  backdrop-filter:blur(18px) saturate(140%);
  transition:border-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.news-card:hover{border-color:rgba(0,229,192,.4);transform:translateY(-3px);box-shadow:var(--shadow-card);}
.news-thumb{width:200px;height:125px;border-radius:14px;overflow:hidden;background:var(--bg-deep);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{display:flex;flex-direction:column;min-width:0;}
.news-body h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:8px;transition:color .22s var(--ease);}
.news-card:hover .news-body h3{color:var(--accent);}
.news-body p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:12px;
}
.news-foot{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--text-3);margin-top:auto;flex-wrap:wrap;}
.news-cat{
  padding:3px 9px;border-radius:6px;font-weight:600;letter-spacing:.4px;
  color:var(--accent);background:rgba(0,229,192,.1);border:1px solid rgba(0,229,192,.28);
}
.news-more{color:var(--accent);font-weight:600;margin-left:auto;opacity:0;transform:translateX(-6px);transition:opacity .25s var(--ease),transform .25s var(--ease);}
.news-card:hover .news-more{opacity:1;transform:translateX(0);}
.empty-state{
  padding:56px 24px;text-align:center;
  border-radius:var(--radius-lg);
  border:1px dashed rgba(120,190,255,.28);
  background:rgba(10,17,32,.6);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  display:grid;place-items:center;font-size:24px;color:var(--accent);
  background:rgba(0,229,192,.08);border:1px solid rgba(0,229,192,.26);
}
.empty-state h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:20px;}

/* ---------- convert bar ---------- */
.convert-bar{
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  padding:30px 34px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(0,229,192,.24);
  background:linear-gradient(120deg,rgba(47,107,255,.16),rgba(0,229,192,.08)),rgba(18,30,56,.6);
  backdrop-filter:blur(20px) saturate(140%);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.convert-bar h2{font-size:23px;font-weight:700;letter-spacing:-.2px;margin-bottom:6px;}
.convert-bar p{font-size:14px;color:var(--text-2);max-width:420px;}
.convert-tags{display:flex;gap:10px;flex-wrap:wrap;margin-left:auto;}
.convert-cta{flex:0 0 auto;}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:var(--radius-card);
  border:1px solid var(--line-glass);
  background:var(--bg-elev);
  backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
  transition:border-color .28s var(--ease);
}
.faq-item.open{border-color:rgba(0,229,192,.42);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 22px;
  background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text-1);text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;font-size:13px;color:var(--accent);
  border:1px solid rgba(0,229,192,.3);background:rgba(0,229,192,.08);
  transition:transform .25s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- subscribe ---------- */
.subscribe{
  margin-top:var(--section-gap);
  padding:36px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-glass);
  background:var(--bg-elev);
  backdrop-filter:blur(18px) saturate(140%);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center;
}
.subscribe h2{font-size:24px;font-weight:700;margin-bottom:8px;letter-spacing:-.2px;}
.subscribe p{font-size:14px;color:var(--text-2);}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 220px;min-width:0;
  padding:13px 16px;border-radius:12px;
  background:rgba(5,8,15,.55);
  border:1px solid var(--line-glass);
  color:var(--text-1);font-size:15px;font-family:inherit;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,192,.14);}
.sub-form input.error{border-color:var(--hot);box-shadow:0 0 0 3px rgba(255,78,122,.14);}
.form-hint{width:100%;font-size:13px;color:var(--text-3);line-height:1.6;}
.form-hint.err{color:var(--hot);}
.form-hint.ok{color:var(--accent);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--section-gap);
  background:var(--bg-deep);
  border-top:1px solid var(--line-glass);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.6px;margin-bottom:16px;color:var(--text-1);}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col li span{font-size:14px;color:var(--text-2);transition:color .22s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--line-glass);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.footer-bottom .sep{opacity:.5;margin:0 8px;}

/* ---------- mobile sticky cta ---------- */
.sticky-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:95;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:rgba(10,17,32,.92);
  backdrop-filter:blur(18px);
  border-top:1px solid var(--line-glass);
  align-items:center;gap:12px;
}
.sticky-cta p{font-size:13px;color:var(--text-2);line-height:1.4;margin:0;}
.sticky-cta .btn{flex:0 0 auto;}
.sticky-close{
  flex:0 0 auto;width:30px;height:30px;border-radius:8px;
  border:1px solid var(--line-glass);background:transparent;
  color:var(--text-3);font-size:12px;cursor:pointer;
}
.sticky-cta.hide{display:none !important;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--container:1080px;--section-gap:76px;}
  .hero-copy h1{font-size:40px;}
  .hero-grid{grid-template-columns:300px minmax(0,1fr);gap:40px;}
}
@media (max-width:1023px){
  :root{--section-gap:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .status-badge{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .phone-frame{max-width:280px;margin:0 auto;}
  .hero-copy h1{font-size:34px;}
  .section-head h2{font-size:27px;}
  .list-row{grid-template-columns:1fr;gap:22px;}
  .list-row.reverse .row-text{order:1;}
  .list-row.reverse .row-media{order:2;}
  .subscribe{grid-template-columns:1fr;gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .news-card{grid-template-columns:160px minmax(0,1fr);}
  .news-thumb{width:160px;height:105px;}
}
@media (max-width:767px){
  :root{--section-gap:56px;}
  body{font-size:15px;}
  .container{padding:0 18px;}
  .hero{padding:40px 0 48px;}
  .hero-copy h1{font-size:29px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .reel-card{flex:0 0 200px;}
  .review-card{flex:0 0 268px;}
  .news-card{grid-template-columns:1fr;gap:14px;}
  .news-thumb{width:100%;height:170px;}
  .news-more{display:none;}
  .convert-bar{padding:24px 20px;gap:18px;}
  .convert-tags{margin-left:0;}
  .convert-cta{width:100%;}
  .convert-cta .btn{width:100%;}
  .subscribe{padding:24px 20px;}
  .sub-form{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
  .sticky-cta{display:flex;}
  .site-footer{padding-bottom:74px;}
  .faq-q{font-size:15px;padding:14px 18px;}
  .faq-a p{padding:0 18px 18px;font-size:14px;}
  .row-index{font-size:36px;}
  .row-text h3{font-size:19px;}
}
@media (max-width:479px){
  .hero-copy h1{font-size:26px;}
  .brand-main{font-size:15px;}
  .brand-mark{width:38px;height:38px;}
  .reel-card{flex:0 0 178px;}
  .list-row{padding:18px;}
}

/* roulang page: article */
:root{
  --bg-base:#05080F;
  --bg-deep:#0A1120;
  --bg-elev:rgba(18,30,56,.55);
  --bg-elev-2:rgba(18,30,56,.78);
  --line-glass:rgba(120,190,255,.14);
  --line-strong:rgba(120,190,255,.26);
  --brand:#2F6BFF;
  --accent:#00E5C0;
  --hot:#FF4E7A;
  --text-1:#E8F0FF;
  --text-2:#93A3BE;
  --text-3:#5C6B85;
  --g-brand:linear-gradient(135deg, rgba(47,107,255,.35), rgba(0,229,192,.22));
  --r-card:18px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(0,229,192,.5), 0 0 28px rgba(0,229,192,.35);
  --dur:.28s;
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(47,107,255,.16), transparent 62%),
    radial-gradient(780px 460px at 92% 4%, rgba(0,229,192,.10), transparent 60%),
    var(--bg-base);
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--accent);text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease)}
a:hover{color:#6affdd}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,blockquote,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(0,229,192,.28);color:#02121a}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  color:#04121A;
  background:linear-gradient(135deg, rgba(47,107,255,.95), rgba(0,229,192,.92));
  box-shadow:var(--shadow-glow);
  border:1px solid rgba(0,229,192,.5);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(0,229,192,.6),0 0 36px rgba(0,229,192,.5);filter:brightness(1.08);color:#04121A}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  color:var(--text-1);
  background:rgba(120,190,255,.06);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{color:var(--accent);border-color:rgba(0,229,192,.55);transform:translateY(-1px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.scrolled{
  background:rgba(5,8,15,.92);
  border-bottom-color:var(--line-glass);
  box-shadow:0 14px 34px rgba(0,0,0,.42);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.site-header.scrolled .nav-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--g-brand);border:1px solid rgba(0,229,192,.35);
  color:#04121A;font-weight:800;font-size:13px;letter-spacing:.6px;
  box-shadow:0 0 18px rgba(0,229,192,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-main{font-size:16px;font-weight:800;color:var(--text-1);letter-spacing:.2px}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:1.2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:8px 13px;border-radius:9px;
  font-size:14px;color:var(--text-2);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(120,190,255,.08)}
.nav-links a.active{color:var(--text-1)}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(0,229,192,.8);
}
.nav-side{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.4px;
  color:var(--accent);
  background:rgba(0,229,192,.08);
  border:1px solid rgba(0,229,192,.28);
}
.status-badge i{font-size:7px;animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-glass);background:rgba(120,190,255,.06);
  color:var(--text-1);place-items:center;
}
.nav-toggle:hover{border-color:rgba(0,229,192,.5);color:var(--accent)}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:26px 0 0;font-size:13px;color:var(--text-3);
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .current{
  max-width:min(420px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2);
}

/* ---------- Article head ---------- */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line-glass)}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.5px;
  color:var(--brand);
  background:rgba(47,107,255,.14);
  border:1px solid rgba(47,107,255,.38);
}
.tag-pill.hot{color:var(--hot);background:rgba(255,78,122,.12);border-color:rgba(255,78,122,.34)}
.tag-pill.ok{color:var(--accent);background:rgba(0,229,192,.10);border-color:rgba(0,229,192,.30)}
.article-head h1{
  max-width:920px;margin:18px 0 20px;
  font-size:clamp(26px,3.6vw,42px);line-height:1.26;font-weight:800;letter-spacing:-.5px;
  color:var(--text-1);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--text-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.article-meta i{color:var(--accent);margin-right:6px;font-size:12px}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 244px;
  gap:56px;justify-content:center;align-items:start;
  padding:44px 0 0;
}
.article-main{min-width:0}
.cover-figure{
  margin:0 0 36px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card);
  position:relative;
}
.cover-figure img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.cover-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 55%,rgba(5,8,15,.55) 100%);
  pointer-events:none;
}

/* ---------- Article body typography ---------- */
.article-body{font-size:17px;line-height:1.85;color:var(--text-1);word-break:break-word}
.article-body p{margin:0 0 20px}
.article-body p:last-child{margin-bottom:0}
.article-body h2{
  position:relative;margin:44px 0 18px;padding-left:16px;
  font-size:26px;line-height:1.4;font-weight:700;letter-spacing:-.3px;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 14px rgba(0,229,192,.7);
}
.article-body h3{
  margin:32px 0 14px;font-size:20px;line-height:1.5;font-weight:600;color:var(--text-1);
}
.article-body h4{margin:24px 0 12px;font-size:17px;font-weight:700;color:var(--text-1)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:2px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:10px;color:var(--text-1);
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(0,229,192,.6);
}
.article-body ol{counter-reset:artoli}
.article-body ol li{counter-increment:artoli}
.article-body ol li::before{
  content:counter(artoli,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--accent);
  font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  line-height:1.9;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;
  border-left:3px solid var(--accent);
  background:rgba(0,229,192,.08);
  border-radius:0 14px 14px 0;
  color:var(--text-2);font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:#7dffe6;text-decoration-thickness:2px}
.article-body img{border-radius:14px;margin:22px auto;box-shadow:var(--shadow-card)}
.article-body figure{margin:26px 0}
.article-body figcaption,.article-body .caption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);
}
.article-body strong{color:#fff;font-weight:700}
.article-body hr{border:0;height:1px;background:var(--line-glass);margin:34px 0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-glass);text-align:left}
.article-body th{color:var(--text-2);font-weight:600;font-size:13px;letter-spacing:.4px}

/* ---------- Empty state ---------- */
.empty-state{
  padding:64px 28px;text-align:center;
  border-radius:var(--r-lg);
  background:var(--bg-elev);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.empty-state .empty-ico{
  width:66px;height:66px;margin:0 auto 20px;border-radius:20px;
  display:grid;place-items:center;font-size:26px;color:var(--accent);
  background:var(--g-brand);border:1px solid rgba(0,229,192,.3);
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:24px}

/* ---------- Aside ---------- */
.article-aside{min-width:0}
.aside-card{
  position:sticky;top:calc(var(--header-h) + 24px);
  padding:22px;border-radius:var(--r-card);
  background:var(--bg-elev);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
}
.aside-card h3{
  font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--text-3);
  text-transform:uppercase;margin-bottom:16px;
}
.aside-links{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.aside-links a i{font-size:11px;color:var(--text-3);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.aside-links a:hover{background:rgba(120,190,255,.08);color:var(--accent);transform:translateX(2px)}
.aside-links a:hover i{color:var(--accent);transform:translateX(2px)}
.aside-card .btn{width:100%}
.aside-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line-glass);
  font-size:12.5px;line-height:1.7;color:var(--text-3);
}

/* ---------- Related ---------- */
.related{margin-top:56px;padding-top:34px;border-top:1px solid var(--line-glass)}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.related-head h2{font-size:22px;font-weight:700;letter-spacing:-.2px}
.related-head a{font-size:13.5px;color:var(--accent)}
.related-list{display:flex;flex-direction:column;gap:14px}
.related-item{
  display:grid;grid-template-columns:112px minmax(0,1fr);gap:16px;align-items:center;
  padding:12px;border-radius:14px;
  background:var(--bg-elev);border:1px solid var(--line-glass);
  color:var(--text-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.related-item:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,192,.32);
  box-shadow:0 16px 36px rgba(0,0,0,.45);
  color:var(--text-1);
}
.related-item .thumb{width:112px;height:76px;border-radius:10px;overflow:hidden;background:var(--bg-deep)}
.related-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.related-item:hover .thumb img{transform:scale(1.06)}
.related-item h3{
  font-size:15.5px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-item .meta{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:10px}
.related-item .meta i{color:var(--accent);margin-right:5px;font-size:11px}

.article-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.next-prev{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;
}
.next-prev .np-item{
  display:block;padding:16px 18px;border-radius:14px;
  background:rgba(120,190,255,.04);border:1px solid var(--line-glass);
  color:var(--text-2);font-size:14px;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.next-prev .np-item:hover{border-color:rgba(0,229,192,.4);color:var(--accent);transform:translateY(-2px)}
.next-prev .np-item span{display:block;font-size:11.5px;letter-spacing:1px;color:var(--text-3);margin-bottom:6px}

/* ---------- CTA strip ---------- */
.cta-strip{
  margin:80px 0 0;
  border-radius:var(--r-lg);
  padding:32px 34px;
  background:var(--g-brand);
  border:1px solid rgba(0,229,192,.24);
  box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 200px at 88% 30%, rgba(0,229,192,.22), transparent 70%);
  pointer-events:none;
}
.cta-strip h2{font-size:22px;font-weight:800;letter-spacing:-.2px;margin-bottom:8px;position:relative}
.cta-strip p{color:var(--text-2);font-size:14.5px;position:relative}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:88px;
  background:var(--bg-deep);
  border-top:1px solid var(--line-glass);
  padding:60px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.8;color:var(--text-3);max-width:320px}
.footer-col h4{
  font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--text-2);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a,.footer-col li span{font-size:13.5px;color:var(--text-3);transition:color var(--dur) var(--ease)}
.footer-col li a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid rgba(120,190,255,.08);
  font-size:12px;color:var(--text-3);
}
.footer-bottom .sep{margin:0 8px;opacity:.6}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 224px;gap:40px}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px);justify-content:center;gap:0}
  .article-aside{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:960px){
  .nav-links{
    position:fixed;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 22px;
    background:rgba(10,17,32,.97);
    backdrop-filter:blur(20px) saturate(140%);
    border-bottom:1px solid var(--line-glass);
    box-shadow:0 24px 44px rgba(0,0,0,.5);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 14px;font-size:15px;border-radius:10px}
  .nav-links a.active::after{left:14px;right:auto;width:22px;bottom:6px}
  .nav-toggle{display:grid}
  .status-badge{display:none}
  .nav-side .btn-sm{display:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .article-head h1{font-size:26px;line-height:1.32}
  .article-body{font-size:16px;line-height:1.82}
  .article-body h2{font-size:22px;margin-top:36px}
  .article-body h3{font-size:18px}
  .cover-figure{border-radius:16px;margin-bottom:28px}
  .related-item{grid-template-columns:92px minmax(0,1fr);gap:12px}
  .related-item .thumb{width:92px;height:64px}
  .next-prev{grid-template-columns:1fr}
  .cta-strip{padding:26px 22px;margin-top:60px}
  .site-footer{margin-top:60px;padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .crumb{padding-top:18px}
  .crumb .current{max-width:60vw}
}
@media (max-width:520px){
  .brand-sub{display:none}
  .brand-main{font-size:15px}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:12px}
  .article-actions .btn{flex:1 1 auto}
  .article-meta{gap:8px 14px;font-size:12.5px}
  .empty-state{padding:44px 18px}
}

/* roulang page: category1 */
:root{
  --bg-base:#05080F;
  --bg-deep:#0A1120;
  --bg-elev:rgba(18,30,56,.55);
  --line-glass:rgba(120,190,255,.14);
  --brand:#2F6BFF;
  --accent:#00E5C0;
  --hot:#FF4E7A;
  --text-1:#E8F0FF;
  --text-2:#93A3BE;
  --text-3:#5C6B85;
  --radius-card:18px;
  --radius-lg:24px;
  --radius-pill:999px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --container:1200px;
  --section-y:88px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -12%,rgba(47,107,255,.16),transparent 62%),
    radial-gradient(720px 440px at 94% 2%,rgba(0,229,192,.10),transparent 66%);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;letter-spacing:-.3px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#2F6BFF 0%,#00E5C0 100%);
  color:#04121A;
  box-shadow:0 0 0 1px rgba(0,229,192,.5),0 0 28px rgba(0,229,192,.35);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(0,229,192,.6),0 0 36px rgba(0,229,192,.5);
  filter:brightness(1.08);
}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(18,30,56,.45);
  border-color:var(--line-glass);
  color:var(--text-1);
  backdrop-filter:blur(14px) saturate(130%);
}
.btn-ghost:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;}
.text-link{
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-bottom:1px solid transparent;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.text-link:hover{transform:translateX(2px);border-bottom-color:rgba(0,229,192,.6);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(5,8,15,.72);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(10,17,32,.84);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line-glass);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,107,255,.38),rgba(0,229,192,.24));
  border:1px solid var(--line-glass);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 0 18px rgba(0,229,192,.18);
  flex-shrink:0;
}
.brand-mark span{
  font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-main{font-size:16px;font-weight:800;letter-spacing:-.2px;color:var(--text-1);}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:1.4px;color:var(--text-2);}

.nav-links{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:28px;
}
.nav-links a{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  transition:color .24s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;bottom:-2px;
  width:0;height:2px;
  background:var(--accent);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .26s var(--ease);
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after{width:60%;}
.nav-links a.active{color:var(--text-1);font-weight:600;}
.nav-links a.active::after{width:22px;box-shadow:0 0 12px rgba(0,229,192,.7);}

.nav-side{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(0,229,192,.28);
  background:rgba(0,229,192,.08);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
  white-space:nowrap;
}
.status-badge i{font-size:7px;animation:pulse 2.4s infinite;}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.8);}
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line-glass);
  background:rgba(18,30,56,.5);
  color:var(--text-1);
  font-size:16px;
  cursor:pointer;
  transition:.24s var(--ease);
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent);}

/* ============ 首屏 ============ */
.page-hero{
  padding:56px 0 24px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-160px;top:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,192,.13),transparent 66%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 326px;
  gap:56px;
  align-items:center;
  min-height:420px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  margin-bottom:22px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-glass);
  background:rgba(18,30,56,.5);
  color:var(--accent);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
}
.eyebrow i{font-size:11px;}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.6px;
  margin-bottom:20px;
}
.page-hero h1 .hl{
  background:linear-gradient(135deg,#E8F0FF 30%,#00E5C0 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  max-width:560px;
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  list-style:none;
}
.hero-tags li{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 13px;
  border-radius:6px;
  border:1px solid var(--line-glass);
  background:rgba(18,30,56,.42);
  color:var(--text-2);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.3px;
}
.hero-tags li::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 8px rgba(0,229,192,.8);
}

.hero-visual{display:flex;justify-content:center;}
.phone-frame{
  position:relative;
  width:280px;
  aspect-ratio:9/16;
  border-radius:26px;
  overflow:hidden;
  border:1px solid rgba(120,190,255,.22);
  background:var(--bg-deep);
  box-shadow:0 28px 70px rgba(0,0,0,.6),0 0 40px rgba(47,107,255,.22);
}
.phone-frame img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.9;
}
.phone-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.18) 0%,rgba(5,8,15,.05) 42%,rgba(5,8,15,.72) 100%);
}
.play-btn{
  position:absolute;
  z-index:2;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:62px;height:62px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(0,229,192,.16);
  border:1px solid rgba(0,229,192,.55);
  color:var(--accent);
  font-size:18px;
  cursor:pointer;
  backdrop-filter:blur(8px);
  box-shadow:0 0 30px rgba(0,229,192,.4);
  transition:.28s var(--ease);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.08);box-shadow:0 0 44px rgba(0,229,192,.6);}
.play-btn:active{transform:translate(-50%,-50%) scale(.96);}
.phone-caption{
  position:absolute;
  z-index:2;
  left:18px;right:18px;bottom:18px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(10,17,32,.7);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(12px);
  font-size:12.5px;
  color:var(--text-2);
  line-height:1.6;
}

/* ============ 通用板块 ============ */
.section{padding:var(--section-y) 0;position:relative;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:42px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.8;margin:0;}
.section-head .kicker{
  display:inline-block;
  margin-bottom:12px;
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:12px;
  letter-spacing:2px;
  color:var(--accent);
}

/* ============ 时间轴 ============ */
.timeline{list-style:none;position:relative;max-width:880px;}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:60px minmax(0,1fr);
  gap:26px;
  padding-bottom:34px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:29px;
  top:64px;
  bottom:6px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(0,229,192,.55),rgba(47,107,255,.18),rgba(120,190,255,.05));
}
.timeline-item:last-child::before{display:none;}
.timeline-dot{
  width:60px;height:60px;
  border-radius:50%;
  display:grid;place-items:center;
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:15px;
  font-weight:700;
  color:var(--accent);
  background:rgba(0,229,192,.07);
  border:1px solid rgba(0,229,192,.35);
  box-shadow:0 0 26px rgba(0,229,192,.18),inset 0 0 18px rgba(0,229,192,.06);
  transition:.28s var(--ease);
}
.timeline-item:hover .timeline-dot{
  background:rgba(0,229,192,.14);
  box-shadow:0 0 36px rgba(0,229,192,.34);
}
.timeline-body{
  border-radius:var(--radius-card);
  border:1px solid var(--line-glass);
  background:var(--bg-elev);
  backdrop-filter:blur(18px) saturate(140%);
  padding:24px 26px;
  box-shadow:0 20px 50px rgba(0,0,0,.35);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.timeline-body:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,192,.3);
  box-shadow:var(--shadow-card),0 0 30px rgba(0,229,192,.12);
}
.timeline-body h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.timeline-body h3 .tag{
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.5px;
  padding:3px 9px;
  border-radius:6px;
  border:1px solid rgba(47,107,255,.4);
  background:rgba(47,107,255,.14);
  color:#9FC3FF;
}
.timeline-body p{color:var(--text-2);font-size:15px;line-height:1.85;margin:0;}

/* ============ 注意事项 ============ */
.notes-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.note-card{
  border-radius:var(--radius-card);
  border:1px solid var(--line-glass);
  background:var(--bg-elev);
  backdrop-filter:blur(18px) saturate(140%);
  padding:24px;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.note-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,192,.3);
  box-shadow:var(--shadow-card),0 0 30px rgba(0,229,192,.1);
}
.note-media{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--bg-deep);
  margin-bottom:22px;
}
.note-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.note-card:hover .note-media img{transform:scale(1.04);}
.note-media .corner{
  position:absolute;
  left:12px;top:12px;
  height:24px;
  padding:0 10px;
  display:inline-flex;
  align-items:center;
  border-radius:6px;
  background:rgba(255,78,122,.16);
  border:1px solid rgba(255,78,122,.45);
  color:var(--hot);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.5px;
}
.note-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.note-card p{color:var(--text-2);font-size:15px;line-height:1.85;margin-bottom:16px;}

/* ============ 自检清单 ============ */
.check-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:44px;
  align-items:center;
}
.check-visual{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line-glass);
  box-shadow:0 26px 60px rgba(0,0,0,.5);
  aspect-ratio:4/3;
  background:var(--bg-deep);
  position:relative;
}
.check-visual img{width:100%;height:100%;object-fit:cover;}
.check-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 40%,rgba(5,8,15,.62) 100%);
}
.check-visual .visual-note{
  position:absolute;
  left:22px;bottom:20px;right:22px;
  z-index:2;
  font-size:13px;
  color:var(--text-2);
  line-height:1.7;
}
.check-list{list-style:none;display:grid;gap:12px;}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:16px 20px;
  border-radius:14px;
  border:1px solid var(--line-glass);
  background:rgba(18,30,56,.42);
  backdrop-filter:blur(14px);
  transition:transform .26s var(--ease),border-color .26s var(--ease),background .26s var(--ease);
}
.check-list li:hover{
  transform:translateX(3px);
  border-color:rgba(0,229,192,.32);
  background:rgba(18,30,56,.6);
}
.check-list i{
  color:var(--accent);
  font-size:14px;
  margin-top:5px;
  flex-shrink:0;
  filter:drop-shadow(0 0 6px rgba(0,229,192,.6));
}
.check-list strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px;}
.check-list span.sub{color:var(--text-2);font-size:13.5px;line-height:1.7;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border-radius:14px;
  border:1px solid var(--line-glass);
  background:var(--bg-elev);
  backdrop-filter:blur(18px) saturate(140%);
  overflow:hidden;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.faq-item.open{
  border-color:rgba(0,229,192,.32);
  box-shadow:0 0 28px rgba(0,229,192,.1);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:58px;
  padding:14px 24px;
  background:none;
  border:0;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  flex-shrink:0;
  color:var(--accent);
  font-size:14px;
  transition:transform .3s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s var(--ease);
}
.faq-a p{
  margin:0;
  padding:0 24px 22px;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-glass);
  background:linear-gradient(135deg,rgba(47,107,255,.2),rgba(0,229,192,.09));
  padding:46px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
  backdrop-filter:blur(18px) saturate(140%);
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,192,.2),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,28px);
  font-weight:700;
  margin-bottom:10px;
  position:relative;
}
.cta-band p{
  color:var(--text-2);
  font-size:15px;
  max-width:560px;
  margin:0;
  position:relative;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  background:var(--bg-deep);
  border-top:1px solid var(--line-glass);
  padding:72px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.85;
  max-width:340px;
  margin:0;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  margin-bottom:18px;
  color:var(--text-1);
  letter-spacing:.5px;
}
.footer-col ul{list-style:none;display:grid;gap:12px;}
.footer-col a,.footer-col span{
  color:var(--text-2);
  font-size:14px;
  line-height:1.7;
  transition:color .22s var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(120,190,255,.1);
  padding:22px 0 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  color:var(--text-3);
  font-size:12px;
  line-height:1.7;
}
.footer-bottom .sep{margin:0 8px;opacity:.6;}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 290px;gap:40px;}
  .phone-frame{width:250px;}
  .check-layout{gap:32px;}
}

@media (max-width:900px){
  .nav-links{
    position:fixed;
    left:0;right:0;
    top:68px;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:10px 24px 24px;
    background:rgba(10,17,32,.97);
    backdrop-filter:blur(22px) saturate(140%);
    border-bottom:1px solid var(--line-glass);
    transform:translateY(-14px);
    opacity:0;
    pointer-events:none;
    transition:transform .28s var(--ease),opacity .28s var(--ease);
    z-index:80;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto;}
  .nav-links a{
    height:48px;
    display:flex;
    align-items:center;
    width:100%;
    padding:0 4px;
    border-bottom:1px solid rgba(120,190,255,.08);
    font-size:15px;
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--accent);}
  .nav-toggle{display:grid;}
  .status-badge{display:none;}

  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;}
  .hero-visual{order:-1;justify-content:flex-start;}
  .phone-frame{width:200px;border-radius:22px;}
  .page-hero{padding:36px 0 8px;}
  .section{padding:56px 0;}
  .notes-grid{grid-template-columns:1fr;}
  .check-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:34px 28px;}
}

@media (max-width:520px){
  .container{padding:0 18px;}
  .brand-main{font-size:15px;}
  .brand-sub{font-size:10px;letter-spacing:1.1px;}
  .brand-mark{width:36px;height:36px;border-radius:10px;}
  .nav-inner{height:62px;gap:12px;}
  .site-header.is-scrolled .nav-inner{height:56px;}
  .nav-links{top:62px;padding:10px 18px 22px;}
  .nav-side .btn{display:none;}
  .page-hero h1{font-size:27px;}
  .hero-lead{font-size:15px;}
  .hero-actions .btn{height:44px;padding:0 22px;font-size:14px;}
  .timeline-item{grid-template-columns:44px minmax(0,1fr);gap:16px;}
  .timeline-dot{width:44px;height:44px;font-size:13px;}
  .timeline-item::before{left:21px;top:48px;}
  .timeline-body{padding:20px 18px;}
  .timeline-body h3{font-size:16.5px;}
  .timeline-body p{font-size:14.5px;}
  .note-card{padding:18px;}
  .note-card h3{font-size:17px;}
  .note-card p{font-size:14.5px;}
  .faq-q{font-size:15px;padding:14px 18px;}
  .faq-a p{padding:0 18px 20px;font-size:14px;}
  .cta-band{padding:26px 20px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category3 */
:root{
  --bg-base:#05080F;
  --bg-deep:#0A1120;
  --bg-elev:rgba(18,30,56,0.55);
  --line-glass:rgba(120,190,255,0.14);
  --brand:#2F6BFF;
  --accent:#00E5C0;
  --hot:#FF4E7A;
  --text-1:#E8F0FF;
  --text-2:#93A3BE;
  --text-3:#5C6B85;
  --radius-card:18px;
  --radius-lg:24px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --grad-soft:linear-gradient(135deg, rgba(47,107,255,.35), rgba(0,229,192,.22));
  --grad-btn:linear-gradient(135deg, rgba(47,107,255,.95), rgba(0,229,192,.92));
  --container:1200px;
  --sec-pad:88px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(47,107,255,.18), transparent 70%),
    radial-gradient(760px 460px at 92% 4%, rgba(0,229,192,.10), transparent 72%);
  pointer-events:none;
  z-index:0;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-style:none}
button,input{font:inherit;color:inherit;background:none;border:none;outline:none}
ul,ol{list-style:none}
::selection{background:rgba(0,229,192,.28);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;letter-spacing:.3px;
  padding:14px 28px;font-size:15px;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-btn);
  color:#04121A;
  box-shadow:0 0 0 1px rgba(0,229,192,.5),0 0 28px rgba(0,229,192,.35);
}
.btn-primary:hover{
  filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(0,229,192,.65),0 0 36px rgba(0,229,192,.5);
  transform:translateY(-1px);
}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:rgba(18,30,56,.5);
  border:1px solid var(--line-glass);
  color:var(--text-1);
  backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:10px 20px;font-size:14px}
.link-more{
  color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid transparent;transition:all .28s var(--ease);
}
.link-more:hover{transform:translateX(2px);border-bottom-color:rgba(0,229,192,.6)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,8,15,.72);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(6,10,20,.86);
  border-bottom-color:var(--line-glass);
  backdrop-filter:blur(18px) saturate(140%);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .3s var(--ease)}
.site-header.scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,107,255,.9),rgba(0,229,192,.85));
  box-shadow:0 0 18px rgba(0,229,192,.32);
  flex-shrink:0;
}
.brand-mark span{font-family:"JetBrains Mono",ui-monospace,monospace;font-weight:800;font-size:15px;color:#04121A;letter-spacing:-.5px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.2px;color:var(--text-1)}
.brand-sub{font-size:11px;color:var(--text-2);letter-spacing:1.6px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:10px 14px;font-size:14.5px;color:var(--text-2);
  border-radius:10px;transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(47,107,255,.12)}
.nav-links a.active{color:var(--text-1);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;box-shadow:0 0 10px rgba(0,229,192,.8);
}
.nav-side{display:flex;align-items:center;gap:12px;margin-left:8px}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--accent);
  padding:6px 12px;border-radius:999px;
  background:rgba(0,229,192,.08);border:1px solid rgba(0,229,192,.28);
}
.status-badge i{font-size:7px;animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-glass);background:rgba(18,30,56,.6);
  color:var(--text-1);font-size:16px;cursor:pointer;
  transition:all .25s var(--ease);
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}

/* ============ 页面通用 ============ */
.section{padding:var(--sec-pad) 0}
.section-head{margin-bottom:36px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.4px;color:var(--accent);
  padding:6px 14px;border-radius:6px;
  background:rgba(0,229,192,.08);border:1px solid rgba(0,229,192,.22);
  margin-bottom:16px;
}
h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.4px}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.85}
.glass{
  background:var(--bg-elev);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--line-glass);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}

/* ============ 内页头部 ============ */
.page-hero{padding:64px 0 24px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-copy h1{
  font-size:44px;line-height:1.2;margin:18px 0 18px;
  background:linear-gradient(120deg,#E8F0FF 30%,#8FD8FF 65%,#00E5C0 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-copy .lead{font-size:16.5px;color:var(--text-2);line-height:1.9;max-width:560px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(18,30,56,.62);border:1px solid var(--line-glass);color:var(--text-1);
  transition:all .28s var(--ease);
}
.chip i{color:var(--accent);font-size:13px}
.chip:hover{border-color:rgba(0,229,192,.5);color:var(--accent);transform:translateY(-2px)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;
  border:1px solid var(--line-glass);
  box-shadow:0 24px 60px rgba(0,0,0,.6),0 0 0 1px rgba(0,229,192,.08);
  aspect-ratio:4/3;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.05) 40%,rgba(5,8,15,.65) 100%);
}
.hero-visual .float-tag{
  position:absolute;left:-14px;bottom:22px;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(6,12,24,.9);border:1px solid rgba(0,229,192,.4);
  color:var(--accent);box-shadow:0 0 24px rgba(0,229,192,.28);
  backdrop-filter:blur(12px);
}

/* ============ 规格行 ============ */
.spec-panel{padding:28px;display:flex;flex-direction:column;gap:12px}
.spec-row{
  display:grid;grid-template-columns:180px 1fr 118px;align-items:center;gap:20px;
  padding:16px 22px;border-radius:14px;
  background:rgba(10,17,32,.72);
  border:1px solid var(--line-glass);
  transition:all .28s var(--ease);
}
.spec-row:hover{
  border-color:rgba(0,229,192,.42);
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(0,0,0,.4);
  background:rgba(16,28,52,.8);
}
.spec-name{font-size:14.5px;font-weight:700;color:var(--text-1);display:flex;align-items:center;gap:10px}
.spec-name i{color:var(--brand);font-size:14px;width:16px;text-align:center}
.spec-value{font-size:14.5px;color:var(--text-2);line-height:1.7}
.pill{
  justify-self:end;
  font-size:12px;font-weight:700;letter-spacing:.5px;
  padding:5px 13px;border-radius:999px;white-space:nowrap;
  font-family:"JetBrains Mono",ui-monospace,monospace;
}
.pill-ok{color:var(--accent);background:rgba(0,229,192,.1);border:1px solid rgba(0,229,192,.32)}
.pill-upd{color:#7FA8FF;background:rgba(47,107,255,.14);border:1px solid rgba(47,107,255,.4)}
.pill-hot{color:var(--hot);background:rgba(255,78,122,.1);border:1px solid rgba(255,78,122,.34)}
.pill-mute{color:var(--text-2);background:rgba(120,190,255,.07);border:1px solid var(--line-glass)}

/* ============ 更新日志 ============ */
.log-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.log-card{padding:16px 6px}
.log-list{position:relative;padding-left:22px}
.log-list::before{
  content:"";position:absolute;left:5px;top:10px;bottom:10px;width:1px;
  background:linear-gradient(180deg,rgba(0,229,192,.55),rgba(47,107,255,.05));
}
.log-item{position:relative;padding:0 0 24px 18px}
.log-item:last-child{padding-bottom:0}
.log-item::before{
  content:"";position:absolute;left:-22px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-base);border:2px solid var(--accent);
  box-shadow:0 0 12px rgba(0,229,192,.7);
}
.log-item.is-new::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 16px rgba(0,229,192,.95)}
.log-date{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:12.5px;color:var(--text-3);letter-spacing:.6px;margin-bottom:4px;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.log-tag{
  font-size:11px;font-weight:700;color:var(--hot);
  padding:1px 8px;border-radius:5px;
  background:rgba(255,78,122,.1);border:1px solid rgba(255,78,122,.3);
}
.log-title{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:4px}
.log-desc{font-size:14px;color:var(--text-2);line-height:1.8}
.log-side{display:flex;flex-direction:column;gap:20px}
.note-card{padding:26px}
.note-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.note-card h3 i{color:var(--accent);font-size:15px}
.note-list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);
  line-height:1.85;margin-bottom:10px;
}
.note-list li:last-child{margin-bottom:0}
.note-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);opacity:.85;
}
.note-card .thumb{margin-top:18px;border-radius:14px;overflow:hidden;border:1px solid var(--line-glass)}
.note-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ============ 排版提示块 ============ */
.tip-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.tip-card{padding:26px;display:flex;gap:20px;align-items:flex-start;transition:all .28s var(--ease)}
.tip-card:hover{transform:translateY(-3px);border-color:rgba(0,229,192,.32);box-shadow:0 24px 54px rgba(0,0,0,.55)}
.tip-card .num{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:26px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(0,229,192,.55);
  flex-shrink:0;
}
.tip-card h3{font-size:16.5px;margin-bottom:8px}
.tip-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--bg-elev);border:1px solid var(--line-glass);border-radius:14px;
  backdrop-filter:blur(18px) saturate(140%);
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
  overflow:hidden;
}
.faq-item.open{border-color:rgba(0,229,192,.42);box-shadow:0 0 0 1px rgba(0,229,192,.1),0 16px 40px rgba(0,0,0,.45)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 24px;text-align:left;font-size:15.5px;font-weight:600;color:var(--text-1);
  cursor:pointer;transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-q .plus{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;color:var(--accent);border:1px solid rgba(0,229,192,.35);
  background:rgba(0,229,192,.08);transition:transform .28s var(--ease);
}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .25s var(--ease);
}
.faq-a p{
  padding:0 24px 20px;font-size:14.5px;color:var(--text-2);line-height:1.85;
}

/* ============ CTA ============ */
.cta-band{
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:
    linear-gradient(135deg,rgba(47,107,255,.22),rgba(0,229,192,.12)),
    rgba(10,17,32,.85);
  border:1px solid rgba(0,229,192,.24);
  border-radius:var(--radius-lg);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,192,.8),transparent);
}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:560px;line-height:1.85}
.cta-band .btn{flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;background:var(--bg-deep);
  border-top:1px solid var(--line-glass);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;margin-top:16px;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.5px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a,.footer-col ul span{font-size:13.5px;color:var(--text-2);transition:color .25s var(--ease),transform .25s var(--ease);display:inline-block}
.footer-col ul a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid var(--line-glass);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.footer-bottom .sep{margin:0 8px;opacity:.6}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-pad:64px}
  .nav-links a{padding:10px 10px;font-size:13.5px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy h1{font-size:34px}
  .spec-row{grid-template-columns:150px 1fr 108px;gap:14px}
  .log-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 20px 28px;
    background:rgba(10,17,32,.97);
    backdrop-filter:blur(22px) saturate(140%);
    border-left:1px solid var(--line-glass);
    transform:translateX(105%);
    transition:transform .34s var(--ease);
    z-index:90;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{height:48px;display:flex;align-items:center;font-size:15px;border-radius:12px;padding:0 16px}
  .nav-links a.active{background:rgba(47,107,255,.16)}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:grid;place-items:center;z-index:95}
  .nav-side .status-badge{display:none}
  .nav-side .btn-sm{display:none}
  .nav-side{margin-left:auto}
  .tip-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px}
  .cta-band .btn{width:100%}
}
@media (max-width:767px){
  :root{--sec-pad:56px}
  .container{padding:0 18px}
  .hero-copy h1{font-size:30px}
  .section-head h2{font-size:24px}
  .page-hero{padding:44px 0 8px}
  .spec-panel{padding:16px}
  .spec-row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
  .pill{justify-self:start;margin-top:2px}
  .spec-name{font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band h2{font-size:21px}
  .hero-visual .float-tag{left:10px;bottom:12px;font-size:12px;padding:8px 14px}
}
@media (max-width:480px){
  .hero-copy h1{font-size:26px}
  .brand-main{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:1.2px}
  .btn{padding:12px 22px;font-size:14px}
  .faq-q{font-size:14.5px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
  .tip-card{padding:20px;gap:14px}
  .log-card{padding:10px 0}
}

/* roulang page: category2 */
:root{
  --bg-base:#05080F;
  --bg-deep:#0A1120;
  --bg-elev:rgba(18,30,56,.55);
  --line-glass:rgba(120,190,255,.14);
  --brand:#2F6BFF;
  --accent:#00E5C0;
  --hot:#FF4E7A;
  --text-1:#E8F0FF;
  --text-2:#93A3BE;
  --text-3:#5C6B85;
  --r-card:18px;
  --r-big:24px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(47,107,255,.20),transparent 70%),
    radial-gradient(760px 460px at 92% 6%,rgba(0,229,192,.12),transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  height:68px;
  display:flex;
  align-items:center;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:height .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-scrolled{
  height:60px;
  background:rgba(10,17,32,.9);
  border-bottom-color:var(--line-glass);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:100%;
  width:100%;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,107,255,.9),rgba(0,229,192,.8));
  color:#04121A;font-weight:800;font-size:14px;letter-spacing:.5px;
  font-family:"JetBrains Mono",ui-monospace,monospace;
  box-shadow:0 0 22px rgba(0,229,192,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-size:16px;font-weight:800;letter-spacing:-.2px}
.brand-sub{font-size:11px;color:var(--accent);letter-spacing:1.4px;font-weight:600}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 auto;
}
.nav-links a{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border-radius:8px;
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(120,190,255,.07)}
.nav-links a.active{color:var(--text-1);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;box-shadow:0 0 10px rgba(0,229,192,.7);
}
.nav-side{display:flex;align-items:center;gap:12px;flex-shrink:0}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.4px;
  color:var(--accent);
  background:rgba(0,229,192,.09);
  border:1px solid rgba(0,229,192,.28);
}
.status-badge i{font-size:7px}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:10px;
  background:rgba(18,30,56,.6);
  border:1px solid var(--line-glass);
  color:var(--text-1);font-size:16px;
  cursor:pointer;place-items:center;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  font-size:14px;font-weight:700;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),filter .28s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,rgba(47,107,255,.95),rgba(0,229,192,.9));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(0,229,192,.5),0 0 28px rgba(0,229,192,.35);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(0,229,192,.62),0 0 36px rgba(0,229,192,.5)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:rgba(18,30,56,.5);
  border-color:var(--line-glass);
  color:var(--text-1);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:rgba(0,229,192,.6);color:var(--accent)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:9px 18px;font-size:13px}

/* ===== 面包屑 ===== */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;color:var(--text-3);
}
.crumb a{color:var(--text-2);transition:color .22s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{color:var(--text-3)}
.crumb .now{color:var(--text-1)}

/* ===== 分类首屏 ===== */
.hero-cat{padding:26px 0 0}
.hero-grid{
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:6px;
  font-size:12px;font-weight:700;letter-spacing:1px;
  color:#BBD2FF;
  background:rgba(47,107,255,.16);
  border:1px solid rgba(120,190,255,.2);
}
.eyebrow i{color:var(--accent);font-size:11px}
.hero-cat h1{
  font-size:42px;
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.6px;
  margin-top:20px;
}
.hero-cat h1 em{color:var(--accent);font-style:normal}
.hero-sub{
  margin-top:18px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.4px;
  color:#BBD2FF;
  background:rgba(47,107,255,.13);
  border:1px solid rgba(120,190,255,.18);
}
.tag i{font-size:11px;color:var(--accent)}
.tag.hot{color:#FFB3C6;background:rgba(255,78,122,.1);border-color:rgba(255,78,122,.3)}
.tag.hot i{color:var(--hot)}
.hero-media{
  position:relative;
  border-radius:var(--r-big);
  overflow:hidden;
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card),0 0 60px rgba(47,107,255,.18);
  aspect-ratio:16/11;
  background:var(--bg-deep);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 40%,rgba(5,8,15,.82) 100%);
}
.hero-media .cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-2);
}
.hero-media .cap strong{color:var(--text-1);font-size:15px;letter-spacing:.2px}

/* ===== 通用板块 ===== */
.sec{padding:var(--gap-sec) 0 0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-title{
  font-size:32px;font-weight:800;letter-spacing:-.5px;line-height:1.3;
  display:flex;align-items:center;gap:12px;
}
.sec-title::before{
  content:"";width:4px;height:26px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent),var(--brand));
  box-shadow:0 0 14px rgba(0,229,192,.5);
  flex-shrink:0;
}
.sec-desc{margin-top:14px;font-size:15.5px;color:var(--text-2);line-height:1.85}

/* ===== 数据条 ===== */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:56px;
}
.stat-item{
  background:var(--bg-elev);
  border:1px solid var(--line-glass);
  border-radius:var(--r-card);
  padding:24px;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:border-color .28s var(--ease),transform .28s var(--ease);
}
.stat-item:hover{border-color:rgba(0,229,192,.3);transform:translateY(-3px)}
.stat-num{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:30px;font-weight:700;color:var(--accent);letter-spacing:-1px;
  line-height:1.1;
}
.stat-label{margin-top:8px;font-size:13px;color:var(--text-2);letter-spacing:.4px}

/* ===== 棋盘交错网格 ===== */
.chess-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  align-items:start;
}
.fn-card{
  position:relative;
  background:var(--bg-elev);
  border:1px solid var(--line-glass);
  border-radius:var(--r-card);
  padding:26px;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 12px 34px rgba(0,0,0,.35);
  overflow:hidden;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.fn-card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(0,229,192,0),rgba(0,229,192,.55),rgba(47,107,255,0));
  opacity:.6;
  transition:opacity .28s var(--ease);
}
.fn-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,192,.32);
  box-shadow:0 24px 60px rgba(0,0,0,.55),0 0 0 1px rgba(0,229,192,.16);
}
.fn-card:hover::before{opacity:1}
.fn-card.offset{margin-top:40px}
.fn-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(47,107,255,.3),rgba(0,229,192,.18));
  border:1px solid rgba(120,190,255,.22);
  color:var(--accent);
  font-size:17px;
}
.fn-title{margin-top:18px;font-size:20px;font-weight:700;letter-spacing:-.2px}
.fn-text{margin-top:12px;font-size:15px;line-height:1.85;color:var(--text-2)}
.fn-foot{
  margin-top:22px;padding-top:16px;
  border-top:1px solid rgba(120,190,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.fn-foot .meta{font-size:12px;color:var(--text-3);letter-spacing:.4px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.link-arrow:hover{border-bottom-color:currentColor;transform:translateX(2px)}
.fn-card.wide{
  grid-column:1/-1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  padding:0;
  border-radius:var(--r-big);
}
.wide-body{padding:34px}
.wide-body .fn-title{margin-top:20px;font-size:26px}
.wide-media{position:relative;overflow:hidden;min-height:300px;border-left:1px solid var(--line-glass)}
.wide-media img{width:100%;height:100%;object-fit:cover}
.wide-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(5,8,15,.55),rgba(5,8,15,0) 60%);
}

/* ===== 上手流程 ===== */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid rgba(120,190,255,.16);
  margin-top:8px;
}
.flow-step{
  position:relative;
  padding:32px 22px 28px 0;
}
.flow-step::before{
  content:"";
  position:absolute;top:-4px;left:0;
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 14px rgba(0,229,192,.9);
}
.flow-num{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;
}
.flow-step h3{margin-top:10px;font-size:17px;font-weight:700}
.flow-step p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2);padding-right:12px}

/* ===== 适配标签行 ===== */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  font-size:13.5px;font-weight:600;
  color:var(--text-1);
  background:rgba(18,30,56,.6);
  border:1px solid var(--line-glass);
  transition:border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.chip i{color:var(--accent);font-size:13px}
.chip:hover{border-color:rgba(0,229,192,.55);color:var(--accent);transform:translateY(-2px)}
.note-line{
  margin-top:22px;
  padding:18px 22px;
  border-left:3px solid rgba(0,229,192,.65);
  background:rgba(0,229,192,.06);
  border-radius:0 12px 12px 0;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--bg-elev);
  border:1px solid var(--line-glass);
  border-radius:14px;
  overflow:hidden;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:border-color .26s var(--ease);
}
.faq-item.open{border-color:rgba(0,229,192,.28)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 24px;
  min-height:58px;
  background:none;border:0;
  color:var(--text-1);
  font-size:16px;font-weight:600;text-align:left;
  cursor:pointer;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-q i{color:var(--accent);font-size:14px;transition:transform .26s var(--ease);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ===== CTA ===== */
.cta-wrap{padding:var(--gap-sec) 0 0}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding:38px 42px;
  border-radius:var(--r-big);
  background:linear-gradient(135deg,rgba(47,107,255,.26),rgba(0,229,192,.14));
  border:1px solid rgba(120,190,255,.22);
  box-shadow:0 24px 60px rgba(0,0,0,.4);
}
.cta-band h2{font-size:26px;font-weight:800;letter-spacing:-.4px;line-height:1.35}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px;line-height:1.8}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:var(--gap-sec);
  background:var(--bg-deep);
  border-top:1px solid var(--line-glass);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding:64px 0 40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.5px;color:var(--text-1);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px;font-size:14px;color:var(--text-2)}
.footer-col ul a{color:var(--text-2);transition:color .22s var(--ease)}
.footer-col ul a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--line-glass);
  padding:20px 0 40px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.footer-bottom .sep{margin:0 8px;color:var(--text-3)}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .hero-cat h1{font-size:36px}
  .sec-title{font-size:28px}
}
@media (max-width:1023px){
  :root{--gap-sec:72px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{aspect-ratio:16/9;order:-1}
  .hero-cat h1{font-size:32px}
  .hero-sub{max-width:100%}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:32px 30px}
}
@media (max-width:900px){
  .nav-links{
    position:fixed;
    top:68px;left:0;right:0;bottom:0;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:22px;
    background:rgba(10,17,32,.97);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-top:1px solid var(--line-glass);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{
    display:flex;align-items:center;
    min-height:48px;padding:0 16px;
    font-size:16px;border-radius:10px;
  }
  .nav-links a.active{background:rgba(0,229,192,.1)}
  .nav-links a.active::after{left:16px;right:auto;width:18px;bottom:12px}
  .nav-toggle{display:grid}
  .status-badge{display:none}
}
@media (max-width:768px){
  :root{--gap-sec:56px}
  .container{padding:0 18px}
  .hero-cat h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .sec-title{font-size:24px}
  .chess-grid{grid-template-columns:1fr}
  .fn-card.offset{margin-top:0}
  .fn-card.wide{grid-template-columns:1fr}
  .wide-media{min-height:220px;border-left:0;border-top:1px solid var(--line-glass);order:-1}
  .wide-body{padding:26px}
  .stat-row{grid-template-columns:1fr 1fr;gap:14px}
  .flow{grid-template-columns:1fr;border-top:0}
  .flow-step{padding:0 0 26px 26px;border-left:1px solid rgba(120,190,255,.18)}
  .flow-step::before{top:6px;left:-4.5px}
  .flow-step:last-child{border-left-color:transparent;padding-bottom:0}
  .flow-step p{padding-right:0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-q{padding:0 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .fn-card{padding:22px}
  .stat-item{padding:20px}
  .stat-num{font-size:24px}
}
@media (max-width:520px){
  .hero-cat h1{font-size:25px}
  .brand-main{font-size:15px}
  .brand-sub{font-size:10px;letter-spacing:1px}
  .brand-mark{width:36px;height:36px;font-size:13px}
  .btn{padding:11px 20px;font-size:13.5px}
  .hero-actions{gap:10px}
  .stat-num{font-size:22px}
  .stat-row{grid-template-columns:1fr}
  .sec-head{margin-bottom:26px}
}

/* roulang page: category4 */
:root{
  --bg-base:#05080F;
  --bg-deep:#0A1120;
  --bg-elev:rgba(18,30,56,.55);
  --bg-elev-2:rgba(14,24,46,.78);
  --line-glass:rgba(120,190,255,.14);
  --line-soft:rgba(120,190,255,.08);
  --brand:#2F6BFF;
  --accent:#00E5C0;
  --hot:#FF4E7A;
  --text-1:#E8F0FF;
  --text-2:#93A3BE;
  --text-3:#5C6B85;
  --grad-main:linear-gradient(135deg,rgba(47,107,255,.35),rgba(0,229,192,.22));
  --radius-card:18px;
  --radius-lg:24px;
  --radius-pill:999px;
  --shadow-card:0 20px 50px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(0,229,192,.5),0 0 28px rgba(0,229,192,.35);
  --space-section:88px;
  --font-title:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-title);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(720px 420px at 12% -6%,rgba(47,107,255,.20),transparent 70%),
    radial-gradient(620px 420px at 88% 4%,rgba(0,229,192,.12),transparent 72%),
    radial-gradient(700px 500px at 50% 108%,rgba(255,78,122,.07),transparent 70%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.4px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-main);
  color:#04121A;
  border:1px solid rgba(0,229,192,.55);
  box-shadow:var(--shadow-glow);
  font-weight:700;
}
.btn-primary:hover{
  filter:brightness(1.08);
  box-shadow:0 0 0 1px rgba(0,229,192,.65),0 0 36px rgba(0,229,192,.48);
  transform:translateY(-1px);
}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(18,30,56,.42);
  color:var(--text-1);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(14px) saturate(140%);
}
.btn-ghost:hover{border-color:rgba(0,229,192,.6);color:var(--accent);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.link-more{
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-bottom:1px solid transparent;
  transition:border-color .28s var(--ease),gap .28s var(--ease),color .28s var(--ease);
}
.link-more:hover{border-bottom-color:var(--accent);gap:10px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(5,8,15,.55);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(6,11,22,.82);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom-color:var(--line-glass);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:76px;
  transition:height .3s var(--ease);
}
.site-header.scrolled .nav-inner{height:66px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
}
.brand-mark{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--grad-main);
  border:1px solid rgba(0,229,192,.42);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);
  font-size:14px;font-weight:700;
  color:#04121A;
  box-shadow:0 0 20px rgba(0,229,192,.25);
  letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:16.5px;font-weight:800;letter-spacing:.3px;color:var(--text-1);}
.brand-sub{font-size:11.5px;color:var(--accent);letter-spacing:1.4px;font-weight:600;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:8px 13px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:8px;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:2px;
  background:var(--accent);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .28s var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(120,190,255,.07);}
.nav-links a.active{color:var(--text-1);font-weight:600;}
.nav-links a.active::after{width:22px;}
.nav-side{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
  color:var(--accent);
  background:rgba(0,229,192,.08);
  border:1px solid rgba(0,229,192,.28);
}
.status-badge i{font-size:7px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line-glass);
  background:rgba(18,30,56,.5);
  color:var(--text-1);
  font-size:16px;
  align-items:center;
  justify-content:center;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
  background-image:
    linear-gradient(100deg,rgba(5,8,15,.94) 12%,rgba(5,8,15,.72) 58%,rgba(5,8,15,.45) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.page-hero .container{
  padding-top:70px;
  padding-bottom:66px;
  max-width:1140px;
}
.hero-inner{max-width:720px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--accent);
  background:rgba(0,229,192,.09);
  border:1px solid rgba(0,229,192,.26);
  margin-bottom:22px;
}
.eyebrow i{font-size:11px;}
.page-hero h1{
  font-size:48px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--accent);
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:9px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
  color:var(--text-2);
  background:rgba(18,30,56,.6);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(12px);
}
.tag i{font-size:11px;color:var(--accent);}
.tag.hot{color:var(--hot);border-color:rgba(255,78,122,.3);background:rgba(255,78,122,.08);}
.tag.hot i{color:var(--hot);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;position:relative;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
}
.section-head .sh-left{max-width:660px;}
.section-kicker{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:2.4px;
  color:var(--accent);
  margin-bottom:12px;
  text-transform:uppercase;
}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.4px;
}
.section-head p{
  margin-top:12px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}

/* ---------- 评分概览 ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-bottom:34px;
}
.stat-card{
  padding:26px 24px;
  border-radius:var(--radius-card);
  background:var(--bg-elev);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.stat-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,192,.3);
  box-shadow:0 24px 56px rgba(0,0,0,.5),0 0 26px rgba(0,229,192,.12);
}
.stat-num{
  font-family:var(--font-mono);
  font-size:34px;
  font-weight:700;
  line-height:1.1;
  color:var(--text-1);
  letter-spacing:-1px;
}
.stat-num span{font-size:15px;color:var(--text-3);margin-left:3px;font-weight:500;}
.stat-label{
  margin-top:10px;
  font-size:13.5px;
  color:var(--text-2);
  letter-spacing:.3px;
}
.stat-card.is-hot .stat-num{color:var(--hot);}
.stat-card.is-accent .stat-num{color:var(--accent);}

.rating-panel{
  padding:28px;
  border-radius:var(--radius-lg);
  background:var(--bg-elev-2);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.rating-panel::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,192,.5),transparent);
}
.rating-top{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.rating-score{
  font-family:var(--font-mono);
  font-size:42px;
  font-weight:700;
  line-height:1;
  color:var(--accent);
  letter-spacing:-1.5px;
}
.rating-meta{font-size:13.5px;color:var(--text-2);line-height:1.6;}
.rating-meta strong{display:block;color:var(--text-1);font-size:15px;font-weight:600;margin-bottom:4px;}
.stars{color:var(--hot);letter-spacing:2px;font-size:14px;}
.rating-bars{display:grid;gap:14px;}
.bar-row{
  display:grid;
  grid-template-columns:64px 1fr 52px;
  align-items:center;
  gap:16px;
  font-size:13px;
  color:var(--text-2);
}
.bar-track{
  height:8px;
  border-radius:999px;
  background:rgba(120,190,255,.1);
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  box-shadow:0 0 14px rgba(0,229,192,.35);
}
.bar-row .val{text-align:right;font-family:var(--font-mono);color:var(--text-1);font-size:12.5px;}

/* ---------- 口碑墙（瀑布） ---------- */
.wall{
  column-count:3;
  column-gap:20px;
}
.wall-card{
  break-inside:avoid;
  display:inline-block;
  width:100%;
  margin-bottom:20px;
  padding:24px;
  border-radius:var(--radius-card);
  background:var(--bg-elev);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.wall-card:hover{
  transform:translateY(-3px);
  border-color:rgba(0,229,192,.3);
  box-shadow:0 26px 60px rgba(0,0,0,.52),0 0 28px rgba(0,229,192,.12);
}
.wall-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.wall-score{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--hot);
  font-weight:700;
  letter-spacing:.5px;
}
.wall-score .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--hot);
  box-shadow:0 0 10px rgba(255,78,122,.8);
}
.wall-date{
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--text-3);
  letter-spacing:.5px;
}
.wall-text{
  font-size:14.5px;
  line-height:1.85;
  color:var(--text-1);
  margin-bottom:16px;
}
.wall-text.short{font-size:15px;font-weight:600;line-height:1.7;}
.wall-fig{
  border-radius:14px;
  overflow:hidden;
  margin-bottom:16px;
  border:1px solid var(--line-glass);
}
.wall-fig img{
  width:100%;
  height:auto;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.wall-card:hover .wall-fig img{transform:scale(1.04);}
.wall-user{
  display:flex;
  align-items:center;
  gap:11px;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
}
.avatar{
  width:34px;height:34px;
  flex-shrink:0;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
  color:#04121A;
  background:linear-gradient(135deg,rgba(47,107,255,.85),rgba(0,229,192,.85));
  letter-spacing:.5px;
}
.wall-user .name{font-size:13.5px;color:var(--text-1);font-weight:600;}
.wall-user .device{
  font-size:11.5px;
  color:var(--text-3);
  font-family:var(--font-mono);
  letter-spacing:.3px;
}
.wall-user .meta{margin-left:auto;font-size:11.5px;color:var(--text-3);}
.chip-line{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.chip{
  font-size:11.5px;
  padding:4px 10px;
  border-radius:6px;
  color:var(--accent);
  background:rgba(0,229,192,.08);
  border:1px solid rgba(0,229,192,.22);
  letter-spacing:.3px;
}
.chip.hot{color:var(--hot);background:rgba(255,78,122,.08);border-color:rgba(255,78,122,.24);}

/* ---------- 核验说明 ---------- */
.verify{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.verify-fig{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line-glass);
  box-shadow:var(--shadow-card);
  position:relative;
}
.verify-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.verify-fig::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(5,8,15,.72));
}
.verify-list{display:grid;gap:16px;margin-top:26px;}
.verify-item{
  display:flex;
  gap:16px;
  padding:20px 22px;
  border-radius:16px;
  background:rgba(18,30,56,.42);
  border:1px solid var(--line-glass);
  transition:border-color .28s var(--ease),background .28s var(--ease),transform .28s var(--ease);
}
.verify-item:hover{
  border-color:rgba(0,229,192,.32);
  background:rgba(18,30,56,.62);
  transform:translateX(3px);
}
.verify-idx{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:1px;
  padding-top:2px;
  flex-shrink:0;
}
.verify-item h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.verify-item p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  border-radius:16px;
  background:rgba(18,30,56,.44);
  border:1px solid var(--line-glass);
  backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.faq-item:hover{border-color:rgba(120,190,255,.28);}
.faq-item.open{
  border-color:rgba(0,229,192,.32);
  background:rgba(18,30,56,.62);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 24px;
  text-align:left;
  font-size:15.5px;
  font-weight:600;
  color:var(--text-1);
  line-height:1.6;
  transition:color .28s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line-glass);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);
  font-size:12px;
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
  border-color:rgba(0,229,192,.5);
  background:rgba(0,229,192,.1);
}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s var(--ease);
}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--radius-lg);
  padding:46px 44px;
  background:
    linear-gradient(135deg,rgba(47,107,255,.22),rgba(0,229,192,.12)),
    var(--bg-deep);
  border:1px solid var(--line-glass);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,192,.6),transparent);
}
.cta-band h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.3px;
  margin-bottom:10px;
}
.cta-band p{font-size:15px;color:var(--text-2);max-width:560px;line-height:1.8;}
.cta-band .cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.cta-side .mini-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--space-section);
  background:var(--bg-deep);
  border-top:1px solid var(--line-glass);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:320px;
}
.footer-col h4{
  font-size:14.5px;
  font-weight:700;
  color:var(--text-1);
  margin-bottom:18px;
  letter-spacing:.5px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col li a,
.footer-col li span{
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.7;
  transition:color .25s var(--ease),transform .25s var(--ease);
  display:inline-block;
}
.footer-col li a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--text-3);
  line-height:1.7;
}
.footer-bottom .sep{margin:0 8px;color:var(--text-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1060px;}
  .page-hero h1{font-size:42px;}
  .wall{column-count:3;}
}

@media (max-width:1023px){
  :root{--space-section:72px;}
  .nav-links{gap:2px;}
  .nav-links a{padding:8px 10px;font-size:13.5px;}
  .status-badge{display:none;}
  .page-hero h1{font-size:36px;}
  .page-hero .container{padding-top:56px;padding-bottom:52px;}
  .section-head h2{font-size:27px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .wall{column-count:2;}
  .verify{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{padding:36px 30px;}
  .cta-band h2{font-size:24px;}
}

@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;
    inset:0;
    z-index:90;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:96px 24px 40px;
    background:rgba(10,17,32,.97);
    backdrop-filter:blur(20px) saturate(140%);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s var(--ease);
  }
  body.nav-open .nav-links{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-links a{
    height:52px;
    display:flex;
    align-items:center;
    padding:0 4px;
    font-size:16px;
    border-bottom:1px solid var(--line-soft);
    border-radius:0;
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--accent);}
  body.nav-open{overflow:hidden;}
  body.nav-open .nav-toggle{z-index:95;}
}

@media (max-width:767px){
  :root{--space-section:56px;}
  .container{padding:0 18px;}
  .nav-inner{height:66px;gap:14px;}
  .site-header.scrolled .nav-inner{height:60px;}
  .page-hero h1{font-size:29px;letter-spacing:-.2px;}
  .hero-lead{font-size:15.5px;}
  .page-hero .container{padding-top:44px;padding-bottom:42px;}
  .hero-actions{gap:10px;}
  .btn{padding:12px 22px;font-size:14.5px;width:100%;}
  .hero-actions .btn{width:auto;flex:1 1 auto;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-head h2{font-size:23px;}
  .section-head p{font-size:14.5px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .stat-card{padding:20px 18px;}
  .stat-num{font-size:27px;}
  .rating-panel{padding:22px 18px;}
  .rating-score{font-size:34px;}
  .wall{column-count:1;}
  .wall-card{padding:20px 18px;}
  .bar-row{grid-template-columns:46px 1fr 44px;gap:10px;font-size:12px;}
  .faq-q{padding:16px 18px;font-size:14.5px;}
  .faq-a p{padding:0 18px 18px;font-size:14px;}
  .cta-band{padding:30px 20px;flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:21px;}
  .cta-band .cta-side{width:100%;}
  .cta-side .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .verify-item{padding:16px 16px;}
  .verify-fig img{aspect-ratio:16/10;}
}

@media (max-width:480px){
  .page-hero h1{font-size:25px;}
  .brand-main{font-size:15px;}
  .brand-sub{font-size:10.5px;letter-spacing:1px;}
  .brand-mark{width:36px;height:36px;font-size:13px;}
  .stat-grid{grid-template-columns:1fr;}
  .tag{font-size:11.5px;padding:6px 11px;}
  .btn{padding:11px 18px;font-size:14px;}
  .wall-card{padding:18px 16px;}
  .faq-q{font-size:14px;}
}