/* roulang page: index */
:root{
  --bg-0:#070A12;
  --bg-1:#0B1020;
  --panel:rgba(255,255,255,0.045);
  --stroke:rgba(255,255,255,0.10);
  --brand:#2FE3A8;
  --brand-2:#7B5CFF;
  --accent:#FF8A3D;
  --danger:#FF6B6B;
  --text-1:#E9EEFB;
  --text-2:#A3AEC8;
  --radius:20px;
  --radius-lg:24px;
  --shadow-card:0 12px 32px -12px rgba(0,0,0,.6);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1000px 600px at 80% -10%,rgba(123,92,255,.16),transparent 60%),radial-gradient(900px 520px at 6% 8%,rgba(47,227,168,.10),transparent 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}

.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{font-size:24px;line-height:1.35;font-weight:700;letter-spacing:.2px;}
.section-sub{font-size:14px;color:var(--text-2);margin-top:8px;max-width:640px;}
.section-link{font-size:14px;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:.2s;}
.section-link:hover{letter-spacing:.5px;}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;font-weight:700;}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand),transparent);}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,10,18,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:background .25s,border-color .25s,backdrop-filter .25s;}
.site-header.scrolled{background:rgba(7,10,18,.82);border-bottom-color:var(--stroke);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
@media(min-width:1024px){.nav{height:72px;}}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 14px 3px rgba(47,227,168,.65);flex:0 0 auto;}
.logo-badge{font-size:11px;line-height:1;padding:5px 7px;border-radius:7px;background:rgba(255,138,61,.15);color:var(--accent);border:1px solid rgba(255,138,61,.38);font-weight:700;}
.nav-links{display:none;align-items:center;gap:24px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-links a{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .2s;}
.nav-links a:hover{color:var(--text-1);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{content:"";position:absolute;left:20%;right:20%;bottom:-3px;height:2px;border-radius:2px;background:var(--brand);}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-cta{display:none;}
@media(min-width:768px){.nav-cta{display:inline-flex;}}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:12px;border:1px solid var(--stroke);background:rgba(255,255,255,.03);}
.burger span{display:block;height:2px;width:18px;margin:0 auto;background:var(--text-1);border-radius:2px;transition:.2s;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media(min-width:1024px){.burger{display:none;}}
.drawer{position:fixed;top:0;right:0;height:100%;width:280px;max-width:84vw;background:linear-gradient(180deg,rgba(11,16,32,.97),rgba(7,10,18,.97));backdrop-filter:blur(18px);border-left:1px solid var(--stroke);transform:translateX(100%);transition:transform .24s ease;z-index:80;padding:76px 20px 24px;}
.drawer.open{transform:translateX(0);}
.drawer a{display:flex;align-items:center;min-height:52px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--stroke);}
.drawer a:hover,.drawer a.active{color:var(--brand);}
.drawer-backdrop{position:fixed;inset:0;background:rgba(4,6,12,.6);opacity:0;pointer-events:none;transition:opacity .24s;z-index:70;}
.drawer-backdrop.open{opacity:1;pointer-events:auto;}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 22px;font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,filter .22s,color .22s;white-space:nowrap;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-primary{background:var(--accent);color:#1A0C02;box-shadow:0 8px 24px -6px rgba(255,138,61,.55);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 36px -8px rgba(255,138,61,.7);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(47,227,168,.55);color:var(--brand);}
.btn-ghost:hover{background:rgba(47,227,168,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}

/* glass */
.glass{background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border:1px solid var(--stroke);border-radius:var(--radius);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);}
.card{background:rgba(255,255,255,.03);border:1px solid var(--stroke);border-radius:var(--radius);transition:border-color .25s,box-shadow .25s,transform .25s;}
.card:hover{border-color:rgba(47,227,168,.42);box-shadow:var(--shadow-card);}

/* hero */
.hero{padding:40px 0 56px;}
@media(min-width:1024px){.hero{padding:64px 0 96px;}}
.hero-grid{display:grid;gap:44px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1fr) 340px;gap:56px;}}
.hero h1{font-size:28px;line-height:1.32;font-weight:800;letter-spacing:.2px;margin:18px 0 14px;}
@media(min-width:768px){.hero h1{font-size:32px;line-height:1.28;}}
@media(min-width:1024px){.hero h1{font-size:36px;}}
.hero-lead{font-size:17px;color:var(--text-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{font-size:12.5px;padding:7px 13px;border-radius:999px;border:1px solid var(--stroke);background:rgba(255,255,255,.04);color:var(--text-2);}
.chip strong{color:var(--brand);font-weight:700;}
.phone{position:relative;width:100%;max-width:300px;margin:0 auto;aspect-ratio:9/16;border-radius:28px;overflow:hidden;border:1px solid var(--stroke);box-shadow:0 0 70px -14px rgba(47,227,168,.4),0 26px 60px -22px rgba(0,0,0,.95);}
@media(min-width:1024px){.phone{max-width:340px;}}
.phone img{width:100%;height:100%;object-fit:cover;opacity:.72;}
.phone::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.15),rgba(7,10,18,.85));}
.phone-tag{position:absolute;left:14px;top:14px;z-index:3;font-size:12px;padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid var(--stroke);backdrop-filter:blur(10px);color:var(--text-1);}
.phone-play{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);z-index:3;width:66px;height:66px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(8px);transition:transform .25s;}
.phone-play:hover{transform:translate(-50%,-50%) scale(1.08);}
.phone-play::before{content:"";width:0;height:0;border-left:16px solid var(--brand);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:5px;}
.phone-caption{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;}
.phone-caption p{font-size:13.5px;line-height:1.6;color:var(--text-1);}
.phone-bar{margin-top:12px;height:4px;border-radius:4px;background:rgba(255,255,255,.16);overflow:hidden;}
.phone-bar span{display:block;height:100%;width:62%;border-radius:4px;background:linear-gradient(90deg,var(--brand),var(--brand-2));}

/* scroller / shots */
.scroller{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 0 12px;scrollbar-width:none;-ms-overflow-style:none;}
.scroller::-webkit-scrollbar{display:none;}
.shot{position:relative;flex:0 0 168px;scroll-snap-align:start;aspect-ratio:9/16;border-radius:18px;overflow:hidden;border:1px solid var(--stroke);transition:transform .25s,border-color .25s;background:var(--bg-1);}
@media(min-width:1024px){.shot{flex:0 0 220px;}}
.shot:hover{transform:translateY(-4px);border-color:rgba(47,227,168,.6);}
.shot img{width:100%;height:100%;object-fit:cover;}
.shot::after{content:"";position:absolute;left:0;right:0;bottom:0;height:48%;background:linear-gradient(to bottom,rgba(7,10,18,0),rgba(7,10,18,.94));}
.shot-time{position:absolute;left:10px;top:10px;z-index:3;font-size:12px;padding:4px 8px;border-radius:8px;background:rgba(7,10,18,.55);border:1px solid var(--stroke);backdrop-filter:blur(8px);}
.shot-info{position:absolute;left:12px;right:12px;bottom:12px;z-index:3;}
.shot-info h3{font-size:14px;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.shot-info span{display:block;margin-top:6px;font-size:12px;color:var(--text-2);}

/* seed list */
.seed-list{border-top:1px solid var(--stroke);}
.seed-item{display:flex;align-items:center;gap:16px;padding:18px 12px;border-bottom:1px solid var(--stroke);transition:background .2s;}
.seed-item:hover{background:rgba(47,227,168,.06);}
.seed-num{font-size:26px;font-weight:800;color:rgba(47,227,168,.42);min-width:46px;font-variant-numeric:tabular-nums;line-height:1;}
.seed-body h3{font-size:16px;font-weight:700;}
.seed-body p{font-size:13.5px;color:var(--text-2);margin-top:4px;line-height:1.65;}
.seed-arrow{margin-left:auto;color:var(--text-2);transition:transform .2s,color .2s;flex:0 0 auto;}
.seed-item:hover .seed-arrow{transform:translateX(4px);color:var(--brand);}

/* highlight asymmetric */
.hl-grid{display:grid;gap:20px;}
@media(min-width:1024px){.hl-grid{grid-template-columns:repeat(12,1fr);gap:24px;}.hl-main{grid-column:span 7;}.hl-side{grid-column:span 5;display:grid;gap:24px;align-content:start;}}
.hl-main{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--stroke);min-height:320px;display:flex;align-items:flex-end;}
.hl-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;}
.hl-main::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(7,10,18,.2),rgba(7,10,18,.95));}
.hl-main-body{position:relative;z-index:2;padding:28px;}
@media(min-width:768px){.hl-main-body{padding:36px;}}
.hl-main-body h3{font-size:22px;font-weight:800;margin-bottom:10px;line-height:1.35;}
.hl-main-body p{font-size:14.5px;color:var(--text-2);max-width:520px;}
.stat-row{display:flex;flex-wrap:wrap;gap:26px;margin-top:22px;}
.stat-row div strong{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.2;}
.stat-row div span{font-size:12.5px;color:var(--text-2);}
.hl-side .card{padding:22px;display:flex;gap:16px;align-items:flex-start;}
.hl-side .card img{width:96px;height:96px;border-radius:16px;object-fit:cover;flex:0 0 auto;}
.hl-side h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.hl-side p{font-size:14px;color:var(--text-2);line-height:1.7;}
@media(max-width:520px){.hl-side .card{flex-direction:column;}.hl-side .card img{width:100%;height:150px;}}

/* cms posts */
.post-list{display:grid;gap:16px;}
.post-card{display:grid;grid-template-columns:1fr;gap:16px;padding:16px;background:rgba(255,255,255,.03);border:1px solid var(--stroke);border-radius:var(--radius);transition:border-color .25s,box-shadow .25s,transform .25s;}
@media(min-width:640px){.post-card{grid-template-columns:38% minmax(0,1fr);align-items:stretch;gap:20px;padding:18px;}}
.post-card:hover{border-color:rgba(47,227,168,.45);box-shadow:var(--shadow-card);transform:translateY(-2px);}
.post-cover{display:block;border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:var(--bg-1);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{display:flex;flex-direction:column;min-width:0;}
.post-badge{align-self:flex-start;font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(47,227,168,.12);color:var(--brand);border:1px solid rgba(47,227,168,.3);}
.post-body h3{font-size:17px;font-weight:700;line-height:1.5;margin:10px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a:hover{color:var(--brand);}
.post-body p{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;font-size:13px;color:var(--text-2);}
.post-meta a{color:var(--brand);font-weight:600;}
.post-meta a:hover{text-decoration:underline;text-underline-offset:4px;}
.empty-state{padding:32px;text-align:center;border:1px dashed var(--stroke);border-radius:var(--radius);background:rgba(255,255,255,.02);}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:14px;}

/* reviews */
.review{flex:0 0 280px;scroll-snap-align:start;padding:18px;border-radius:var(--radius);}
.review-head{display:flex;align-items:center;gap:12px;}
.review-head img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:1px solid var(--stroke);}
.review-head strong{display:block;font-size:14.5px;}
.stars{font-size:12px;color:var(--accent);letter-spacing:2px;}
.review p{margin-top:12px;font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.review time{display:block;margin-top:10px;font-size:12px;color:rgba(163,174,200,.7);}

/* faq */
.faq-item{border:1px solid var(--stroke);border-radius:16px;background:rgba(255,255,255,.03);margin-bottom:12px;overflow:hidden;transition:border-color .24s,box-shadow .24s;}
.faq-item.open{border-color:rgba(47,227,168,.4);box-shadow:inset 3px 0 0 var(--brand);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;background:none;border:0;color:var(--text-1);text-align:left;padding:18px 20px;font-weight:700;font-size:16px;line-height:1.5;}
.faq-q:hover{color:var(--brand);}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .24s;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-icon::before{left:50%;top:3px;bottom:3px;width:2px;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:3px;right:3px;height:2px;transform:translateY(-50%);}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.78;color:var(--text-2);}

/* cta */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--stroke);padding:34px 24px;text-align:center;}
@media(min-width:768px){.cta-panel{padding:56px 40px;}}
.cta-panel img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28;}
.cta-panel::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.72),rgba(7,10,18,.94));}
.cta-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(47,227,168,.85),rgba(123,92,255,.85),transparent);z-index:3;}
.cta-inner{position:relative;z-index:2;}
.cta-inner h2{font-size:24px;font-weight:800;line-height:1.35;}
@media(min-width:768px){.cta-inner h2{font-size:28px;}}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--text-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px;}

/* footer */
.site-footer{background:#05070D;border-top:1px solid var(--stroke);margin-top:24px;}
.footer-grid{display:grid;gap:34px;padding:52px 0 36px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;}
.footer-key{margin-top:16px;font-size:13px;color:var(--brand);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2);transition:color .2s;}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{border-top:1px solid var(--stroke);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--text-2);}

/* dock */
.dock{position:fixed;left:16px;right:16px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:55;display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:18px;}
.dock img{width:44px;height:44px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.dock-text{min-width:0;flex:1;}
.dock-text strong{display:block;font-size:14px;line-height:1.35;}
.dock-text span{display:block;font-size:12px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
@media(min-width:1024px){
  .dock{left:auto;right:28px;bottom:28px;width:300px;border-radius:999px;padding:8px 10px;}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
    --bg-0:#070A12;
    --bg-1:#0B1020;
    --bg-deep:#05070D;
    --panel:rgba(255,255,255,0.045);
    --panel-strong:rgba(255,255,255,0.07);
    --stroke:rgba(255,255,255,0.10);
    --stroke-strong:rgba(255,255,255,0.16);
    --brand:#2FE3A8;
    --brand-2:#7B5CFF;
    --accent:#FF8A3D;
    --danger:#FF6B6B;
    --text-1:#E9EEFB;
    --text-2:#A3AEC8;
    --text-3:#7A85A0;
    --radius-s:14px;
    --radius-m:20px;
    --radius-l:24px;
    --radius-xl:28px;
    --shadow-card:0 12px 32px -12px rgba(0,0,0,.6);
    --shadow-accent:0 8px 24px -6px rgba(255,138,61,.55);
    --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:
      radial-gradient(1100px 560px at 12% -8%, rgba(47,227,168,.10), transparent 62%),
      radial-gradient(900px 500px at 92% 4%, rgba(123,92,255,.14), transparent 60%),
      var(--bg-0);
    color:var(--text-1);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:28px;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}\
  a:hover{color:var(--brand);}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media(min-width:1024px){.container{padding:0 32px;}}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(7,10,18,.62);
    backdrop-filter:blur(12px) saturate(140%);
    -webkit-backdrop-filter:blur(12px) saturate(140%);
    border-bottom:1px solid var(--stroke);
    transition:background .25s ease,border-color .25s ease;
  }
  .site-header.is-scrolled{background:rgba(7,10,18,.86);border-bottom-color:var(--stroke-strong);}
  .nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
  @media(min-width:1024px){.nav{height:72px;}}
  .logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:17px;letter-spacing:.02em;color:var(--text-1);}
  .logo:hover{color:var(--text-1);}
  .logo-dot{
    width:10px;height:10px;border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 0 4px rgba(47,227,168,.16),0 0 16px rgba(47,227,168,.85);
    flex:none;
  }
  .logo-badge{
    font-size:11px;line-height:1;padding:4px 7px;border-radius:999px;
    color:#04140E;background:linear-gradient(120deg,var(--brand),#8BF3CE);
    font-weight:800;letter-spacing:.04em;
  }
  .nav-links{display:none;}
  @media(min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:4px;}
    .nav-links a{
      position:relative;padding:10px 12px;font-size:14px;color:var(--text-2);border-radius:10px;
      white-space:nowrap;
    }
    .nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
    .nav-links a.active{color:var(--brand);}
    .nav-links a.active::after{
      content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;border-radius:2px;
      background:linear-gradient(90deg,var(--brand),rgba(47,227,168,0));
    }
  }
  .nav-right{display:flex;align-items:center;gap:10px;}
  .nav-cta{display:none;}
  @media(min-width:768px){.nav-cta{display:inline-flex;}}
  .burger{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--stroke);
    background:var(--panel);display:inline-flex;flex-direction:column;gap:5px;
    align-items:center;justify-content:center;cursor:pointer;
  }
  .burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .24s ease,opacity .24s ease;}
  .burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger.is-open span:nth-child(2){opacity:0;}
  .burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  @media(min-width:1024px){.burger{display:none;}}

  .drawer{
    position:fixed;inset:0 0 0 auto;width:min(320px,86vw);z-index:70;
    background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.03)),rgba(9,13,24,.94);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    border-left:1px solid var(--stroke);
    transform:translateX(102%);transition:transform .24s ease;
    padding:80px 18px 24px;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer a{display:flex;align-items:center;height:52px;padding:0 14px;border-radius:12px;color:var(--text-2);font-size:15px;}
  .drawer a:hover,.drawer a.active{background:rgba(47,227,168,.08);color:var(--brand);}
  .drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.6);z-index:65;opacity:0;pointer-events:none;transition:opacity .24s ease;}
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;font-weight:700;font-size:15px;line-height:1;
    padding:14px 24px;border:1px solid transparent;cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--accent);color:#1A0C02;box-shadow:var(--shadow-accent);}
  .btn-primary:hover{background:#FF9A57;transform:translateY(-2px);box-shadow:0 14px 32px -8px rgba(255,138,61,.7);color:#1A0C02;}
  .btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px -8px rgba(255,138,61,.6);}
  .btn-ghost{background:transparent;border-color:rgba(47,227,168,.55);color:var(--brand);}
  .btn-ghost:hover{background:rgba(47,227,168,.10);color:var(--brand);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(1px);}
  .btn-sm{padding:10px 16px;font-size:13px;}

  /* ---------- hero ---------- */
  .page-hero{
    position:relative;overflow:hidden;
    padding:56px 0;
    border-bottom:1px solid var(--stroke);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;background-position:center;
    opacity:.20;filter:saturate(115%);
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,10,18,.55),rgba(7,10,18,.92));
  }
  .page-hero .container{position:relative;z-index:2;}
  @media(min-width:1024px){.page-hero{padding:0;min-height:320px;display:flex;align-items:center;}}
  @media(min-width:1024px){.page-hero .container{padding-top:56px;padding-bottom:56px;}}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
  .crumb a{color:var(--text-2);}
  .crumb span.sep{color:rgba(255,255,255,.22);}
  .crumb .now{color:var(--brand);}
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
    color:var(--brand);background:rgba(47,227,168,.10);border:1px solid rgba(47,227,168,.28);
    padding:6px 12px;border-radius:999px;margin-bottom:16px;
  }
  .page-hero h1{
    font-size:28px;line-height:36px;font-weight:800;letter-spacing:.01em;
    max-width:760px;
  }
  @media(min-width:1024px){.page-hero h1{font-size:32px;line-height:40px;}}
  .page-hero h1 em{font-style:normal;color:var(--brand);}
  .hero-sub{margin-top:14px;max-width:680px;color:var(--text-2);font-size:15px;line-height:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
  .chip{
    font-size:12px;color:var(--text-2);padding:6px 12px;border-radius:999px;
    border:1px solid var(--stroke);background:var(--panel);
  }

  /* ---------- section ---------- */
  .section{padding:56px 0;}
  @media(min-width:1024px){.section{padding:96px 0;}}
  .section-alt{background:linear-gradient(180deg,rgba(11,16,32,.9),rgba(7,10,18,.4));border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px;}
  .sec-title{font-size:24px;line-height:32px;font-weight:700;}
  .sec-title .bar{
    display:inline-block;width:3px;height:22px;border-radius:3px;vertical-align:-3px;margin-right:10px;
    background:linear-gradient(180deg,var(--brand),rgba(47,227,168,.2));
  }
  .sec-desc{color:var(--text-2);font-size:14px;line-height:24px;max-width:640px;margin-top:10px;}

  /* ---------- vertical card grid (9:16) ---------- */
  .v-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media(min-width:640px){.v-grid{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1024px){.v-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
  .v-card{
    position:relative;display:block;border-radius:var(--radius-m);overflow:hidden;
    border:1px solid var(--stroke);background:var(--panel);
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .v-card:hover{transform:translateY(-4px);border-color:rgba(47,227,168,.5);box-shadow:var(--shadow-card);}
  .v-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--bg-1);}
  .v-thumb img{width:100%;height:100%;object-fit:cover;}
  .v-thumb::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:58%;
    background:linear-gradient(180deg,rgba(7,10,18,0),rgba(7,10,18,.94));
  }
  .v-badge{
    position:absolute;top:12px;left:12px;z-index:3;font-size:12px;line-height:16px;
    padding:4px 10px;border-radius:999px;color:var(--text-1);
    background:rgba(255,255,255,.12);border:1px solid var(--stroke);
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  }
  .v-cap{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:16px;}
  .v-cap h3{font-size:17px;line-height:26px;font-weight:700;}
  .v-cap p{margin-top:6px;font-size:13px;line-height:20px;color:var(--text-2);}
  .v-foot{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:14px 16px;border-top:1px solid var(--stroke);
  }
  .v-foot .tagline{font-size:12px;color:var(--text-3);}
  .v-foot .go{font-size:13px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
  .v-card:hover .v-foot .go{gap:10px;}

  /* ---------- steps ---------- */
  .steps{display:grid;grid-template-columns:1fr;gap:14px;}
  @media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
  .step{
    position:relative;padding:20px;border-radius:var(--radius-m);
    background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
    border:1px solid var(--stroke);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  }
  .step .num{font-size:26px;font-weight:800;color:rgba(47,227,168,.45);line-height:1;letter-spacing:.02em;}
  .step h3{margin-top:12px;font-size:16px;line-height:24px;font-weight:700;}
  .step p{margin-top:8px;font-size:14px;line-height:24px;color:var(--text-2);}

  /* ---------- notes ---------- */
  .note-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  @media(min-width:1024px){.note-grid{grid-template-columns:1.15fr .85fr;gap:24px;}}
  .note-main{
    border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--stroke);
    background:var(--panel);
  }
  .note-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .note-main .body{padding:22px;}
  .note-main h3{font-size:19px;line-height:28px;font-weight:700;}
  .note-main p{margin-top:10px;font-size:14px;line-height:26px;color:var(--text-2);}
  .note-side{display:grid;gap:18px;}
  .mini{
    padding:20px;border-radius:var(--radius-m);border:1px solid var(--stroke);
    background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  }
  .mini h4{font-size:16px;line-height:24px;font-weight:700;display:flex;align-items:center;gap:8px;}
  .mini h4 i{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(47,227,168,.8);flex:none;}
  .mini p{margin-top:10px;font-size:14px;line-height:24px;color:var(--text-2);}
  .mini.accent h4 i{background:var(--accent);box-shadow:0 0 12px rgba(255,138,61,.8);}

  /* ---------- faq ---------- */
  .faq-wrap{display:grid;gap:12px;max-width:900px;}
  .faq{
    border:1px solid var(--stroke);border-radius:var(--radius-m);
    background:var(--panel);overflow:hidden;transition:border-color .2s ease,background .2s ease;
  }
  .faq:hover{border-color:var(--stroke-strong);}
  .faq.is-open{border-color:rgba(47,227,168,.42);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
    color:var(--text-1);font-size:16px;line-height:24px;font-weight:700;
  }
  .faq-q .ico{
    flex:none;width:22px;height:22px;position:relative;transition:transform .24s ease;
  }
  .faq-q .ico::before,.faq-q .ico::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-q .ico::before{width:12px;height:2px;}
  .faq-q .ico::after{width:2px;height:12px;}
  .faq.is-open .faq-q .ico{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
  .faq-a .inner{
    padding:0 20px 20px 23px;border-left:3px solid var(--brand);
    font-size:15px;line-height:26px;color:var(--text-2);
  }
  .faq.is-open .faq-a .inner{border-left-color:var(--brand);}

  /* ---------- cta ---------- */
  .cta-panel{
    position:relative;overflow:hidden;border-radius:var(--radius-l);
    padding:36px 24px;text-align:center;
    background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
    border:1px solid var(--stroke);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  }
  .cta-panel::before{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,rgba(47,227,168,0),var(--brand),var(--brand-2),rgba(123,92,255,0));
  }
  .cta-panel::after{
    content:"";position:absolute;inset:0;z-index:0;
    background-image:url("/assets/images/backpic/back-3.png");
    background-size:cover;background-position:center;opacity:.14;
  }
  .cta-panel > *{position:relative;z-index:1;}
  .cta-panel h2{font-size:22px;line-height:32px;font-weight:800;}
  @media(min-width:768px){.cta-panel{padding:48px 40px;}
    .cta-panel h2{font-size:26px;line-height:36px;}}
  .cta-panel p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:26px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:24px;}

  /* ---------- footer ---------- */
  .site-footer{background:var(--bg-deep);border-top:1px solid var(--stroke);padding:56px 0 24px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
  .footer-brand p{margin-top:14px;font-size:14px;line-height:24px;color:var(--text-2);max-width:320px;}
  .footer-key{margin-top:14px;font-size:12px;color:var(--text-3);letter-spacing:.04em;}
  .footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px;}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col a,.footer-col span{font-size:14px;color:var(--text-2);}
  .footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
  .footer-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid var(--stroke);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:var(--text-3);
  }
  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: article */
:root{
  --bg-0:#070A12;
  --bg-1:#0B1020;
  --panel:rgba(255,255,255,.045);
  --stroke:rgba(255,255,255,.10);
  --stroke-strong:rgba(255,255,255,.18);
  --brand:#2FE3A8;
  --brand-2:#7B5CFF;
  --accent:#FF8A3D;
  --text-1:#E9EEFB;
  --text-2:#A3AEC8;
  --danger:#FF6B6B;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:22px;
  --r-xl:26px;
  --shadow-hover:0 12px 32px -12px rgba(0,0,0,.6);
  --cta-glow:0 8px 24px -6px rgba(255,138,61,.55);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(123,92,255,.16), transparent 62%),
    radial-gradient(720px 460px at 8% 4%, rgba(47,227,168,.12), transparent 60%),
    var(--bg-0);
  color:var(--text-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.72);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid var(--stroke);
  transition:background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(7,10,18,.88);box-shadow:0 10px 30px -20px rgba(0,0,0,.9)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
@media (min-width:1024px){.nav{height:72px}}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text-1)}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(47,227,168,.14),0 0 18px rgba(47,227,168,.85)}
.logo-badge{font-size:11px;line-height:1;padding:4px 8px;border-radius:999px;border:1px solid rgba(47,227,168,.42);color:var(--brand);background:rgba(47,227,168,.08);letter-spacing:.06em}
.nav-links{display:none}
.nav-right{display:flex;align-items:center;gap:12px}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:26px}
  .nav-links a{position:relative;font-size:14px;line-height:22px;color:var(--text-2);padding:8px 2px;transition:color .2s ease}
  .nav-links a:hover{color:var(--text-1)}
  .nav-links a.active{color:var(--brand)}
  .nav-links a.active::after{content:"";position:absolute;left:0;bottom:0;width:60%;height:2px;border-radius:2px;background:var(--brand)}
}
.burger{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:40px;height:40px;border-radius:12px;border:1px solid var(--stroke);background:rgba(255,255,255,.04)}
.burger span{width:16px;height:2px;border-radius:2px;background:var(--text-1);transition:transform .2s ease,opacity .2s ease}
body.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media (max-width:1023px){
  .nav-links{
    display:flex;flex-direction:column;
    position:fixed;top:64px;right:0;bottom:0;width:min(300px,84vw);
    padding:14px 18px;z-index:70;
    background:rgba(9,13,24,.94);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    backdrop-filter:blur(18px) saturate(140%);
    border-left:1px solid var(--stroke);
    transform:translateX(102%);
    transition:transform .24s ease;
    overflow-y:auto;
  }
  .nav-links a{display:flex;align-items:center;height:52px;font-size:15px;color:var(--text-1);border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-links a.active{color:var(--brand)}
  body.nav-open .nav-links{transform:translateX(0)}
}
@media (min-width:1024px){.burger{display:none}}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:15px;font-weight:700;line-height:1;padding:13px 22px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#1A0F05;box-shadow:var(--cta-glow)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(255,138,61,.7)}
.btn-ghost{border:1px solid rgba(47,227,168,.55);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(47,227,168,.10);transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:16px;padding:5px 11px;border-radius:999px;border:1px solid var(--stroke);color:var(--text-2);background:rgba(255,255,255,.04)}
.badge-brand{color:var(--brand);border-color:rgba(47,227,168,.4);background:rgba(47,227,168,.08)}
.badge-accent{color:var(--accent);border-color:rgba(255,138,61,.4);background:rgba(255,138,61,.10)}
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--stroke);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  border-radius:20px;
}

/* ---------- 区块通用 ---------- */
.section{padding:52px 0}
@media (min-width:1024px){.section{padding:84px 0}}
.section-tight{padding:34px 0}
@media (min-width:1024px){.section-tight{padding:48px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.section-title{font-size:22px;line-height:30px;font-weight:800;letter-spacing:-.01em}
@media (min-width:768px){.section-title{font-size:26px;line-height:34px}}
.section-sub{font-size:14px;line-height:22px;color:var(--text-2)}
.link-more{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 文章头部 ---------- */
.article-top{position:relative;padding:26px 0 6px;overflow:hidden}
.article-top::before{content:"";position:absolute;left:30%;right:0;top:-180px;height:400px;background:radial-gradient(closest-side,rgba(47,227,168,.14),transparent 70%);pointer-events:none}
.breadcrumb{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:20px;color:var(--text-2)}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.crumb-current{max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-1)}
@media (min-width:768px){.crumb-current{max-width:420px}}
.sep{color:rgba(255,255,255,.24)}
.cat-row{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px}
.cat-note{font-size:13px;line-height:20px;color:var(--text-2)}
.article-title{position:relative;margin-top:16px;font-size:28px;line-height:36px;font-weight:800;letter-spacing:-.01em;max-width:920px}
@media (min-width:768px){.article-title{font-size:32px;line-height:40px}}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;line-height:20px;color:var(--text-2)}
.dot{width:4px;height:4px;border-radius:50%;background:var(--stroke-strong)}
.article-cover{position:relative;max-width:920px;margin:24px auto 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--stroke);aspect-ratio:16/9;background:var(--bg-1)}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,0) 55%,rgba(7,10,18,.55))}
.cover-tag{position:absolute;left:16px;top:16px;z-index:2}

/* ---------- 正文 ---------- */
.article-section{padding:38px 0 0}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:30px;color:#D8DFEE;word-break:break-word}
.article-body p{margin:0 0 18px}
.article-body h2{position:relative;margin:40px 0 14px;padding-left:14px;font-size:23px;line-height:32px;font-weight:700;color:var(--text-1)}
.article-body h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:3px;background:var(--brand);box-shadow:0 0 12px rgba(47,227,168,.6)}
.article-body h3{margin:28px 0 10px;font-size:18px;line-height:26px;font-weight:600;color:var(--text-1)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0}
.article-body strong{color:#FFFFFF}
.article-body em{color:var(--text-2)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:#7DF3C7}
.article-body img{border-radius:18px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body .caption{margin-top:10px;font-size:13px;line-height:20px;color:var(--text-2);text-align:center}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-radius:20px;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--stroke);
  font-size:16px;line-height:28px;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;line-height:24px}
.article-body th,.article-body td{border:1px solid var(--stroke);padding:10px 12px;text-align:left}
.article-body hr{border:0;height:1px;background:var(--stroke);margin:32px 0}
.empty-box{max-width:760px;margin:0 auto;padding:32px 24px;border-radius:var(--r-lg);border:1px solid var(--stroke);background:rgba(255,255,255,.035);text-align:center}
.empty-box h2{font-size:22px;line-height:30px;font-weight:800}
.empty-box p{margin:12px 0 20px;font-size:15px;line-height:26px;color:var(--text-2)}

/* ---------- 标签 / 相关 ---------- */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 0}
.tag{font-size:12px;line-height:16px;padding:7px 13px;border-radius:999px;border:1px solid var(--stroke);color:var(--text-2);background:rgba(255,255,255,.03);transition:color .2s ease,border-color .2s ease}
.tag:hover{color:var(--brand);border-color:rgba(47,227,168,.45)}
.divider{height:1px;background:var(--stroke);margin:34px 0}
.rel-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{position:relative;display:block;border-radius:20px;overflow:hidden;border:1px solid var(--stroke);background:var(--bg-1);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.rel-card figure{position:relative;margin:0;aspect-ratio:9/16;overflow:hidden}
.rel-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(47,227,168,.5);box-shadow:var(--shadow-hover)}
.rel-card:hover img{transform:scale(1.05)}
.rel-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,0) 40%,rgba(7,10,18,.92))}
.rel-body{position:absolute;left:0;right:0;bottom:0;padding:16px}
.rel-body h3{font-size:16px;line-height:24px;font-weight:700;color:#fff}
.rel-body p{margin-top:6px;font-size:13px;line-height:20px;color:var(--text-2)}
.rel-more{display:inline-block;margin-top:10px;font-size:12px;line-height:16px;color:var(--brand)}
.rel-duration{position:absolute;left:12px;top:12px;font-size:12px;line-height:16px;padding:4px 9px;border-radius:999px;background:rgba(7,10,18,.6);border:1px solid var(--stroke);color:var(--text-1)}

/* ---------- 行列表 ---------- */
.rowlist{border-top:1px solid var(--stroke)}
.rowlist .row{display:flex;align-items:center;gap:16px;padding:16px 4px;border-bottom:1px solid var(--stroke);transition:background .2s ease,padding .2s ease}
.rowlist .row:hover{background:rgba(47,227,168,.06);padding-left:14px}
.row-num{min-width:46px;font-size:22px;line-height:30px;font-weight:800;color:rgba(47,227,168,.42)}
.row-title{font-size:16px;line-height:24px;font-weight:600;color:var(--text-1)}
.row-desc{margin-top:4px;font-size:13px;line-height:20px;color:var(--text-2)}
.row-arrow{margin-left:auto;color:var(--text-2);transition:transform .2s ease,color .2s ease}
.rowlist .row:hover .row-arrow{transform:translateX(4px);color:var(--brand)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{position:relative;margin-bottom:12px;border:1px solid var(--stroke);border-radius:var(--r-md);background:rgba(255,255,255,.03);overflow:hidden;transition:border-color .22s ease}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);opacity:0;transition:opacity .24s ease}
.faq-item.open{border-color:rgba(47,227,168,.42)}
.faq-item.open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 20px;font-size:16px;line-height:24px;font-weight:700;color:var(--text-1)}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:transform .24s ease,opacity .24s ease}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:26px;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-panel{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--stroke);padding:38px 22px;text-align:center;background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02))}
.cta-panel::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.16}
.cta-panel::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.cta-inner{position:relative;z-index:1;max-width:640px;margin:0 auto}
.cta-inner h2{font-size:24px;line-height:32px;font-weight:800}
.cta-inner p{margin-top:10px;font-size:15px;line-height:26px;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:22px}
@media (min-width:768px){.cta-panel{padding:52px 40px}}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;padding:52px 0 24px;background:#05070D;border-top:1px solid var(--stroke);color:var(--text-2)}
.footer-grid{display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}}
.footer-brand p{margin-top:14px;max-width:340px;font-size:14px;line-height:24px}
.footer-key{margin-top:14px;font-size:12px;line-height:18px;letter-spacing:.04em;color:var(--brand)}
.footer-col h4{margin-bottom:14px;font-size:14px;line-height:22px;font-weight:700;color:var(--text-1)}
.footer-col ul li{margin-bottom:10px;font-size:14px;line-height:22px}
.footer-col a{transition:color .2s ease}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:32px;padding-top:18px;border-top:1px solid var(--stroke);display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:13px;line-height:20px;color:#6F7B96}

/* ---------- 悬浮胶囊 ---------- */
.sticky-pill{display:none}
@media (min-width:1024px){
  .sticky-pill{
    position:fixed;right:24px;bottom:24px;z-index:50;
    display:flex;align-items:center;gap:12px;padding:10px 12px 10px 10px;border-radius:999px;
    background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border:1px solid var(--stroke);
    box-shadow:0 12px 32px -14px rgba(0,0,0,.85);
  }
  .sticky-pill img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:1px solid var(--stroke)}
  .sticky-pill span{max-width:150px;font-size:13px;line-height:18px;color:var(--text-1);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
    --bg-0:#070A12;
    --bg-1:#0B1020;
    --panel:rgba(255,255,255,.045);
    --panel-strong:rgba(255,255,255,.075);
    --stroke:rgba(255,255,255,.10);
    --brand:#2FE3A8;
    --brand-2:#7B5CFF;
    --accent:#FF8A3D;
    --danger:#FF6B6B;
    --text-1:#E9EEFB;
    --text-2:#A3AEC8;
    --r-sm:12px;
    --r-md:18px;
    --r-lg:20px;
    --r-xl:24px;
    --shadow-hover:0 12px 32px -12px rgba(0,0,0,.6);
    --container:1200px;
  }

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

  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

  .page-body{
    margin:0;
    background:var(--bg-0);
    color:var(--text-1);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Segoe UI",sans-serif;
    font-size:16px;
    line-height:28px;
    min-height:100vh;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }

  .page-body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:0;
    pointer-events:none;
    background:
      radial-gradient(900px 520px at 10% -10%,rgba(47,227,168,.16),transparent 62%),
      radial-gradient(760px 500px at 92% 2%,rgba(123,92,255,.14),transparent 60%);
  }

  .page-body img{max-width:100%;display:block;}
  .page-body a{color:inherit;text-decoration:none;}
  .page-body button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  .page-body h1,.page-body h2,.page-body h3,.page-body h4,.page-body p,.page-body ul,.page-body ol,.page-body li{margin:0;}
  .page-body ul,.page-body ol{list-style:none;padding:0;}
  .page-body :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 32px;
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(7,10,18,.55);
    backdrop-filter:blur(12px) saturate(140%);
    -webkit-backdrop-filter:blur(12px) saturate(140%);
    border-bottom:1px solid transparent;
    transition:background .25s ease,border-color .25s ease;
  }
  .site-header.scrolled{
    background:rgba(7,10,18,.82);
    border-bottom-color:var(--stroke);
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:72px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:17px;
    font-weight:700;
    letter-spacing:.2px;
    white-space:nowrap;
  }
  .logo-dot{
    width:10px;height:10px;border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 0 4px rgba(47,227,168,.16),0 0 14px rgba(47,227,168,.85);
    flex:none;
  }
  .logo-badge{
    font-size:11px;
    line-height:16px;
    padding:1px 7px;
    border-radius:999px;
    color:#04140E;
    font-weight:700;
    background:linear-gradient(120deg,var(--brand),#9BF7D6);
  }
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-links a{
    position:relative;
    display:inline-block;
    padding:10px 14px;
    border-radius:10px;
    font-size:15px;
    color:var(--text-2);
    transition:color .2s ease,background .2s ease;
  }
  .nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
  .nav-links a.active{color:var(--brand);}
  .nav-links a.active::after{
    content:"";
    position:absolute;
    left:14px;right:14px;bottom:2px;
    height:2px;border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 10px rgba(47,227,168,.7);
  }
  .nav-right{display:flex;align-items:center;gap:12px;}
  .burger{
    display:none;
    width:42px;height:42px;
    border-radius:12px;
    border:1px solid var(--stroke);
    background:var(--panel);
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:4px;
  }
  .burger span{
    display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);
    transition:transform .24s ease,opacity .2s ease;
  }
  .burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .burger.is-open span:nth-child(2){opacity:0;}
  .burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:999px;
    font-weight:700;
    white-space:nowrap;
    padding:13px 26px;
    font-size:15px;
    transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  }
  .btn-sm{padding:9px 18px;font-size:14px;}
  .btn-primary{
    color:#1B0D02;
    background:linear-gradient(135deg,#FFA866,var(--accent));
    box-shadow:0 8px 24px -6px rgba(255,138,61,.55);
  }
  .btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 14px 32px -8px rgba(255,138,61,.72);
    filter:brightness(1.06);
  }
  .btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px -6px rgba(255,138,61,.6);}
  .btn-ghost{
    color:var(--brand);
    background:transparent;
    border:1px solid rgba(47,227,168,.55);
  }
  .btn-ghost:hover{background:rgba(47,227,168,.10);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(1px);}

  /* ---------- 通用板块 ---------- */
  .page-main{position:relative;z-index:1;}
  .section{padding:96px 0;}
  .section-alt{
    background:var(--bg-1);
    border-top:1px solid var(--stroke);
    border-bottom:1px solid var(--stroke);
  }
  .sec-head{margin-bottom:36px;max-width:760px;}
  .sec-kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    line-height:16px;
    letter-spacing:.14em;
    text-transform:uppercase;
    color:var(--brand);
    margin-bottom:14px;
  }
  .sec-kicker::before{
    content:"";
    width:18px;height:1px;
    background:linear-gradient(90deg,var(--brand),transparent);
  }
  .sec-title{
    font-size:24px;
    line-height:32px;
    font-weight:700;
    letter-spacing:.2px;
  }
  .sec-desc{
    margin-top:12px;
    font-size:15px;
    line-height:26px;
    color:var(--text-2);
  }

  /* ---------- 压缩标题条 ---------- */
  .page-bar{
    position:relative;
    padding:64px 0 48px;
    border-bottom:1px solid var(--stroke);
    background:linear-gradient(180deg,rgba(11,16,32,.92),rgba(7,10,18,0));
    overflow:hidden;
  }
  .page-bar::after{
    content:"";
    position:absolute;
    top:-140px;right:-80px;
    width:420px;height:420px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(123,92,255,.22),transparent 66%);
    pointer-events:none;
  }
  .page-bar-grid{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
    gap:36px;
    align-items:end;
  }
  .crumbs{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    line-height:20px;
    color:var(--text-2);
    margin-bottom:18px;
  }
  .crumbs a{color:var(--text-2);transition:color .2s ease;}
  .crumbs a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
  .crumbs span.sep{opacity:.45;}
  .crumbs strong{color:var(--text-1);font-weight:600;}
  .page-title{
    font-size:32px;
    line-height:40px;
    font-weight:800;
    letter-spacing:.2px;
  }
  .page-title em{
    font-style:normal;
    color:var(--brand);
    box-shadow:inset 0 -10px 0 rgba(47,227,168,.14);
  }
  .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
  .chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12px;
    line-height:16px;
    padding:6px 12px;
    border-radius:999px;
    color:var(--text-1);
    border:1px solid var(--stroke);
    background:rgba(255,255,255,.05);
  }
  .chip i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
  .page-bar-note{
    font-size:15px;
    line-height:26px;
    color:var(--text-2);
    padding-left:22px;
    border-left:2px solid rgba(47,227,168,.5);
  }
  .page-bar-meta{
    margin-top:16px;
    font-size:13px;
    line-height:20px;
    color:rgba(163,174,200,.8);
  }

  /* ---------- 横排行列表 ---------- */
  .row-list{display:flex;flex-direction:column;gap:14px;}
  .row-item{
    display:grid;
    grid-template-columns:160px minmax(0,1fr) auto;
    gap:22px;
    align-items:center;
    padding:16px 20px 16px 16px;
    border-radius:var(--r-md);
    border:1px solid var(--stroke);
    background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease,background .25s ease;
  }
  .row-item:hover{
    transform:translateY(-3px);
    border-color:rgba(47,227,168,.5);
    box-shadow:var(--shadow-hover);
    background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  }
  .row-thumb{
    width:160px;height:90px;
    border-radius:var(--r-sm);
    overflow:hidden;
    background:#0E1424;
    flex:none;
  }
  .row-thumb img{width:100%;height:100%;object-fit:cover;}
  .row-tag{
    display:inline-flex;
    font-size:12px;
    line-height:16px;
    padding:3px 10px;
    border-radius:999px;
    color:var(--brand);
    border:1px solid rgba(47,227,168,.35);
    background:rgba(47,227,168,.08);
    margin-bottom:8px;
  }
  .row-title{font-size:18px;line-height:26px;font-weight:600;}
  .row-desc{margin-top:6px;font-size:14px;line-height:24px;color:var(--text-2);}
  .row-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:700;
    color:var(--brand);
    white-space:nowrap;
    transition:gap .2s ease,color .2s ease;
  }
  .row-link::after{content:"→";transition:transform .2s ease;}
  .row-item:hover .row-link{gap:10px;}

  /* ---------- 自检数据块 ---------- */
  .checks-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:20px;
  }
  .check-card{
    padding:24px 22px;
    border-radius:var(--r-md);
    border:1px solid var(--stroke);
    background:var(--panel);
    transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  }
  .check-card:hover{
    transform:translateY(-4px);
    border-color:rgba(47,227,168,.45);
    box-shadow:var(--shadow-hover);
  }
  .check-num{
    font-size:26px;
    line-height:32px;
    font-weight:800;
    color:var(--brand);
    letter-spacing:.5px;
  }
  .check-label{margin-top:10px;font-size:15px;font-weight:600;}
  .check-text{margin-top:8px;font-size:13px;line-height:22px;color:var(--text-2);}

  /* ---------- 双路径对照 ---------- */
  .compare-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:22px;
  }
  .compare-card{
    position:relative;
    padding:30px 28px;
    border-radius:var(--r-xl);
    border:1px solid var(--stroke);
    background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    overflow:hidden;
    transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
  }
  .compare-card:hover{transform:translateY(-4px);border-color:rgba(47,227,168,.45);box-shadow:var(--shadow-hover);}
  .compare-card.accent{border-color:rgba(255,138,61,.35);}
  .compare-card.accent::after{
    content:"";
    position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,var(--brand),var(--brand-2));
  }
  .compare-title{font-size:18px;line-height:26px;font-weight:700;display:flex;align-items:center;gap:10px;}
  .compare-title span.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 12px rgba(47,227,168,.8);}
  .compare-card.accent .compare-title span.dot{background:var(--accent);box-shadow:0 0 12px rgba(255,138,61,.8);}
  .compare-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
  .compare-list li{
    position:relative;
    padding-left:20px;
    font-size:14px;
    line-height:24px;
    color:var(--text-2);
  }
  .compare-list li::before{
    content:"";
    position:absolute;left:0;top:9px;
    width:8px;height:8px;border-radius:2px;
    background:rgba(47,227,168,.75);
    transform:rotate(45deg);
  }
  .compare-card.accent .compare-list li::before{background:rgba(255,138,61,.8);}
  .compare-foot{
    margin-top:22px;
    font-size:13px;
    line-height:20px;
    color:rgba(163,174,200,.85);
    padding-top:16px;
    border-top:1px solid var(--stroke);
  }

  /* ---------- 步骤清单 ---------- */
  .steps{display:flex;flex-direction:column;gap:14px;}
  .step{
    display:grid;
    grid-template-columns:70px minmax(0,1fr);
    gap:20px;
    align-items:start;
    padding:22px 24px;
    border-radius:var(--r-md);
    border:1px solid var(--stroke);
    background:var(--panel);
    transition:border-color .25s ease,background .25s ease,transform .25s ease;
  }
  .step:hover{
    transform:translateX(4px);
    border-color:rgba(47,227,168,.45);
    background:rgba(47,227,168,.06);
  }
  .step-num{
    font-size:26px;
    line-height:30px;
    font-weight:800;
    color:rgba(47,227,168,.55);
    letter-spacing:1px;
    font-variant-numeric:tabular-nums;
  }
  .step-title{font-size:16px;line-height:26px;font-weight:700;}
  .step-text{margin-top:6px;font-size:14px;line-height:24px;color:var(--text-2);}

  /* ---------- FAQ ---------- */
  .faq-wrap{display:flex;flex-direction:column;gap:12px;max-width:900px;}
  .faq-item{
    border:1px solid var(--stroke);
    border-radius:var(--r-md);
    background:rgba(255,255,255,.03);
    overflow:hidden;
    transition:border-color .25s ease,background .25s ease;
  }
  .faq-item.open{border-color:rgba(47,227,168,.45);background:rgba(47,227,168,.05);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:20px 22px;
    text-align:left;
    font-size:16px;
    line-height:24px;
    font-weight:700;
    color:var(--text-1);
  }
  .faq-icon{
    flex:none;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid var(--stroke);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:16px;
    line-height:1;
    color:var(--brand);
    transition:transform .24s ease,background .24s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(47,227,168,.12);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .24s ease;
  }
  .faq-a-inner{
    margin:0 22px 20px 22px;
    padding-left:16px;
    border-left:3px solid transparent;
    font-size:15px;
    line-height:26px;
    color:var(--text-2);
  }
  .faq-item.open .faq-a-inner{border-left-color:var(--brand);}

  /* ---------- CTA 面板 ---------- */
  .cta-panel{
    position:relative;
    border-radius:var(--r-xl);
    border:1px solid var(--stroke);
    overflow:hidden;
    padding:60px 40px;
    text-align:center;
    background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  }
  .cta-panel::before{
    content:"";
    position:absolute;inset:0;
    background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
    opacity:.16;
  }
  .cta-panel::after{
    content:"";
    position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,var(--brand),var(--brand-2));
  }
  .cta-inner{position:relative;z-index:1;max-width:640px;margin:0 auto;}
  .cta-title{font-size:24px;line-height:32px;font-weight:700;}
  .cta-text{margin-top:12px;font-size:15px;line-height:26px;color:var(--text-2);}
  .cta-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;
    z-index:1;
    margin-top:0;
    background:#05070D;
    border-top:1px solid var(--stroke);
    padding:64px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;
    gap:36px;
    padding-bottom:44px;
  }
  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    line-height:24px;
    color:var(--text-2);
    max-width:320px;
  }
  .footer-key{
    margin-top:16px;
    font-size:12px;
    line-height:18px;
    color:var(--brand);
    letter-spacing:.06em;
  }
  .footer-col h4{
    font-size:15px;
    line-height:24px;
    font-weight:700;
    margin-bottom:16px;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col li a,.footer-col li span{
    font-size:14px;
    line-height:22px;
    color:var(--text-2);
  }
  .footer-col li a{transition:color .2s ease,text-underline-offset .2s ease;}
  .footer-col li a:hover{
    color:var(--brand);
    text-decoration:underline;
    text-underline-offset:4px;
  }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    justify-content:space-between;
    align-items:center;
    padding:22px 0 28px;
    border-top:1px solid var(--stroke);
    font-size:13px;
    line-height:20px;
    color:rgba(163,174,200,.75);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .container{padding:0 20px;}
    .nav{height:64px;}
    .nav-links{
      position:fixed;
      top:0;right:0;
      height:100vh;
      width:min(300px,82vw);
      flex-direction:column;
      align-items:stretch;
      gap:6px;
      padding:88px 20px 32px;
      background:linear-gradient(160deg,rgba(18,24,40,.97),rgba(9,13,24,.99));
      backdrop-filter:blur(18px) saturate(140%);
      -webkit-backdrop-filter:blur(18px) saturate(140%);
      border-left:1px solid var(--stroke);
      transform:translateX(102%);
      transition:transform .24s ease;
      z-index:70;
      overflow-y:auto;
    }
    .nav-links.open{transform:translateX(0);}
    .nav-links a{
      display:flex;
      align-items:center;
      min-height:52px;
      padding:14px 16px;
      font-size:16px;
      border-radius:12px;
    }
    .nav-links a.active{background:rgba(47,227,168,.10);}
    .nav-links a.active::after{display:none;}
    .burger{display:inline-flex;}
    .section{padding:64px 0;}
    .page-bar{padding:44px 0 36px;}
    .page-bar-grid{grid-template-columns:1fr;gap:26px;align-items:start;}
    .page-title{font-size:28px;line-height:36px;}
    .checks-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  }

  @media (max-width:767px){
    .section{padding:56px 0;}
    .sec-title{font-size:21px;line-height:30px;}
    .row-item{
      grid-template-columns:1fr;
      gap:14px;
      padding:14px;
    }
    .row-thumb{width:100%;height:160px;}
    .row-link{justify-self:flex-start;}
    .compare-grid{grid-template-columns:1fr;}
    .step{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:18px;}
    .step-num{font-size:22px;line-height:26px;}
    .cta-panel{padding:44px 22px;}
    .cta-title{font-size:20px;line-height:30px;}
    .cta-actions .btn{width:100%;}
  }

  @media (max-width:520px){
    .page-title{font-size:26px;line-height:34px;}
    .checks-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .logo{font-size:16px;}
    .nav-cta{display:none;}
  }

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category3 */
:root{
  --bg-0:#070A12;
  --bg-1:#0B1020;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.10);
  --brand:#2FE3A8;
  --brand-2:#7B5CFF;
  --accent:#FF8A3D;
  --danger:#FF6B6B;
  --text-1:#E9EEFB;
  --text-2:#A3AEC8;
  --radius:20px;
  --radius-lg:24px;
  --radius-sm:12px;
  --container:1200px;
  --shadow-card:0 12px 32px -12px rgba(0,0,0,.6);
  --shadow-cta:0 8px 24px -6px rgba(255,138,61,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,sans-serif;
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
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;}
h1{font-size:32px;line-height:40px;font-weight:800;letter-spacing:-.4px;}
h2{font-size:24px;line-height:32px;font-weight:700;}
h3{font-size:18px;line-height:26px;font-weight:600;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- 玻璃与通用 ---------- */
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:16px;font-weight:600;
  padding:4px 10px;border-radius:999px;
  border:1px solid rgba(47,227,168,.35);
  color:var(--brand);
  background:rgba(47,227,168,.08);
  white-space:nowrap;
}
.tag-accent{border-color:rgba(255,138,61,.35);color:var(--accent);background:rgba(255,138,61,.08);}
.tag-plain{border-color:var(--stroke);color:var(--text-2);background:rgba(255,255,255,.04);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:20px;color:var(--brand);
  letter-spacing:.02em;
}
.eyebrow::before{
  content:"";width:18px;height:1px;background:linear-gradient(90deg,var(--brand),transparent);
}
.divider{height:1px;background:var(--stroke);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:14px;
  font-size:15px;font-weight:700;line-height:22px;
  transition:transform .2s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:#1A0F05;
  box-shadow:var(--shadow-cta);
}
.btn-primary:hover{background:#FF9A57;transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(255,138,61,.65);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:var(--brand);
  border-color:rgba(47,227,168,.45);
}
.btn-ghost:hover{background:rgba(47,227,168,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 16px;font-size:14px;line-height:20px;border-radius:12px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  transition:background-color .25s ease,border-color .25s ease,backdrop-filter .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(7,10,18,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--stroke);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px;}
@media (min-width:1024px){.nav{min-height:72px;}}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;letter-spacing:.01em;}
.logo-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(47,227,168,.14),0 0 16px rgba(47,227,168,.85);
  flex:none;
}
.logo-badge{
  font-size:11px;line-height:16px;font-weight:700;
  padding:2px 7px;border-radius:999px;
  color:var(--accent);
  border:1px solid rgba(255,138,61,.4);
  background:rgba(255,138,61,.10);
}
.nav-links{display:none;align-items:center;gap:2px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 12px;border-radius:10px;
  font-size:14px;line-height:20px;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);box-shadow:0 0 10px rgba(47,227,168,.7);
}
.nav-right{display:flex;align-items:center;gap:10px;}
.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:4px;
  width:40px;height:40px;border-radius:12px;border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);padding:0 10px;
}
.burger span{display:block;height:2px;border-radius:2px;background:var(--text-1);transition:transform .25s ease,opacity .2s ease;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .burger{display:none;}
}
@media (max-width:1023px){
  .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:fixed;top:64px;right:0;width:min(84vw,320px);height:calc(100vh - 64px);
    padding:16px;overflow-y:auto;
    background:rgba(9,13,24,.94);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-left:1px solid var(--stroke);
    transform:translateX(102%);
    transition:transform .24s ease;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{min-height:52px;display:flex;align-items:center;font-size:15px;padding:0 14px;}
  .nav-links a.active::after{left:14px;right:auto;width:38px;bottom:8px;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:40px 0 56px;
  overflow:hidden;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(47,227,168,.14),transparent 62%),
    radial-gradient(700px 380px at 92% 0%,rgba(123,92,255,.16),transparent 60%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.16;pointer-events:none;
}
.hero > .container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;line-height:20px;color:var(--text-2);flex-wrap:wrap;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:rgba(255,255,255,.28);}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;margin-top:22px;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;}}
.hero h1{margin:14px 0 16px;}
.hero-sub{color:var(--text-2);font-size:16px;line-height:28px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-media{
  border-radius:28px;overflow:hidden;border:1px solid var(--stroke);
  box-shadow:0 24px 60px -24px rgba(0,0,0,.9),0 0 0 1px rgba(47,227,168,.10);
  position:relative;
}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-media .media-tag{
  position:absolute;left:14px;top:14px;
  font-size:12px;line-height:16px;font-weight:600;color:var(--text-1);
  padding:5px 10px;border-radius:999px;
  background:rgba(7,10,18,.62);border:1px solid var(--stroke);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px;max-width:560px;}
.stat{padding:14px 16px;border-radius:16px;border:1px solid var(--stroke);background:var(--panel);}
.stat b{display:block;font-size:20px;line-height:26px;font-weight:800;color:var(--brand);font-family:Inter,-apple-system,sans-serif;}
.stat span{display:block;font-size:13px;line-height:20px;color:var(--text-2);margin-top:4px;}
@media (max-width:520px){
  h1{font-size:28px;line-height:36px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat:last-child{grid-column:span 2;}
}

/* ---------- 板块 ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:linear-gradient(180deg,rgba(11,16,32,0),rgba(11,16,32,.85) 30%,rgba(11,16,32,0));}
.section-head{display:flex;flex-direction:column;gap:10px;margin-bottom:28px;}
.section-head h2{margin-top:6px;}
.section-sub{color:var(--text-2);font-size:15px;line-height:26px;max-width:720px;}
@media (min-width:768px){
  .section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:24px;}
  .section-head .head-text{max-width:760px;}
  .section-head .head-action{flex:none;}
}

/* ---------- 双列大卡 ---------- */
.card-grid-2{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.card-grid-2{grid-template-columns:1fr 1fr;gap:24px;}}
.big-card{
  overflow:hidden;border-radius:var(--radius-lg);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.big-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(47,227,168,.35);}
.big-card figure{margin:0;position:relative;overflow:hidden;}
.big-card figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.big-card:hover figure img{transform:scale(1.04);}
.big-card .card-body{padding:20px 22px 22px;}
.big-card h3{margin-bottom:8px;}
.big-card p{font-size:14px;line-height:24px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.big-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.big-card .card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.big-card .card-link:hover{gap:10px;}
.big-card .card-link::after{content:"→";transition:transform .2s ease;}

/* ---------- 横滑 ---------- */
.scroll-x{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 14px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.scroll-x::-webkit-scrollbar{display:none;}
.voice-card{
  flex:0 0 280px;scroll-snap-align:start;
  padding:18px;border-radius:var(--radius);
  transition:transform .25s ease,border-color .25s ease;
}
.voice-card:hover{transform:translateY(-4px);border-color:rgba(47,227,168,.35);}
.voice-head{display:flex;align-items:center;gap:12px;}
.voice-head img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex:none;border:1px solid var(--stroke);}
.voice-name{font-size:14px;font-weight:700;}
.voice-meta{font-size:12px;line-height:16px;color:var(--text-2);}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px;margin-top:12px;}
.voice-text{
  margin-top:8px;font-size:13.5px;line-height:23px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.voice-time{margin-top:10px;font-size:12px;line-height:16px;color:rgba(163,174,200,.7);}

/* ---------- 对比清单 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.compare-grid{grid-template-columns:1fr 1fr;gap:24px;}}
.compare-panel{padding:24px;border-radius:var(--radius-lg);}
.compare-panel h3{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.compare-panel h3 i{width:8px;height:8px;border-radius:50%;flex:none;font-style:normal;}
.compare-panel.ok h3 i{background:var(--brand);box-shadow:0 0 12px rgba(47,227,168,.8);}
.compare-panel.warn h3 i{background:var(--danger);box-shadow:0 0 12px rgba(255,107,107,.7);}
.compare-panel li{
  display:flex;gap:10px;padding:12px 0;
  font-size:14px;line-height:24px;color:var(--text-2);
  border-bottom:1px solid var(--stroke);
}
.compare-panel li:last-child{border-bottom:0;padding-bottom:0;}
.compare-panel li b{color:var(--text-1);font-weight:600;}
.compare-panel li em{font-style:normal;color:var(--brand);flex:none;}
.compare-panel.warn li em{color:var(--danger);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{border-radius:var(--radius);overflow:hidden;transition:border-color .25s ease;}
.faq-item.open{border-color:rgba(47,227,168,.35);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:18px 20px;
  font-size:16px;line-height:24px;font-weight:700;color:var(--text-1);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--stroke);color:var(--brand);
  font-size:16px;line-height:1;
  transition:transform .24s ease,background-color .24s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(47,227,168,.12);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease;
}
.faq-inner{
  position:relative;
  padding:0 20px 20px 20px;
  font-size:15px;line-height:26px;color:var(--text-2);
}
.faq-item.open .faq-inner::before{
  content:"";position:absolute;left:8px;top:4px;bottom:20px;width:3px;border-radius:3px;
  background:var(--brand);
}

/* ---------- 提示卡 ---------- */
.tip-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--stroke);
  padding:28px 24px;
  background-image:linear-gradient(120deg,rgba(7,10,18,.86),rgba(7,10,18,.68)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.tip-card h3{margin-bottom:10px;}
.tip-card p{color:var(--text-2);font-size:14.5px;line-height:26px;max-width:760px;}
.tip-card .tip-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:36px 24px;
  text-align:center;
  border:1px solid var(--stroke);
  background-image:linear-gradient(150deg,rgba(7,10,18,.88),rgba(11,16,32,.72)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--brand-2),transparent);
}
.cta-panel h2{margin-bottom:10px;}
.cta-panel p{color:var(--text-2);font-size:15px;line-height:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:24px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#05070D;
  border-top:1px solid var(--stroke);
  padding:56px 0 28px;
  margin-top:8px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;}}
.footer-brand p{margin-top:14px;font-size:14px;line-height:24px;color:var(--text-2);max-width:340px;}
.footer-key{margin-top:14px;font-size:13px;line-height:20px;color:var(--brand);letter-spacing:.02em;}
.footer-col h4{font-size:14px;line-height:22px;font-weight:700;margin-bottom:14px;color:var(--text-1);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:13.5px;line-height:22px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:36px;padding-top:20px;border-top:1px solid var(--stroke);
  font-size:13px;line-height:20px;color:rgba(163,174,200,.85);
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .big-card:hover,.voice-card:hover,.btn:hover{transform:none !important;}
}

/* roulang page: category4 */
:root{
    --bg-0:#070A12;
    --bg-1:#0B1020;
    --panel:rgba(255,255,255,.045);
    --stroke:rgba(255,255,255,.10);
    --brand:#2FE3A8;
    --brand-2:#7B5CFF;
    --accent:#FF8A3D;
    --text-1:#E9EEFB;
    --text-2:#A3AEC8;
    --danger:#FF6B6B;
    --radius-xl:24px;
    --radius-lg:20px;
    --radius-md:14px;
    --radius-pill:999px;
    --shadow-card:0 12px 32px -12px rgba(0,0,0,.6);
    --shadow-accent:0 8px 24px -6px rgba(255,138,61,.55);
    --glass-bg:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
    --ease:cubic-bezier(.22,.61,.36,1);
    --sec-pad:56px;
  }
  @media (min-width:1024px){
    :root{ --sec-pad:96px; }
  }

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

  body{
    margin:0;
    padding:0;
    background:var(--bg-0);
    color:var(--text-1);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:28px;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(900px 520px at 78% -8%,rgba(123,92,255,.16),transparent 60%),
      radial-gradient(700px 460px at 6% 2%,rgba(47,227,168,.12),transparent 62%);
  }
  img{ display:block; max-width:100%; height:auto; }
  a{ color:inherit; text-decoration:none; }
  button{ font-family:inherit; }
  ul{ list-style:none; margin:0; padding:0; }

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

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:1024px){
    .container{ padding-left:32px; padding-right:32px; }
  }

  /* ---------- 玻璃与通用块 ---------- */
  .glass{
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border:1px solid var(--stroke);
    border-radius:var(--radius-lg);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    transition:border-color .24s var(--ease), transform .24s var(--ease), box-shadow .24s var(--ease);
  }

  .section{ padding:var(--sec-pad) 0; position:relative; }
  .section-inner{ position:relative; z-index:1; }

  .section-head{
    display:flex;
    flex-direction:column;
    gap:10px;
    margin-bottom:32px;
  }
  @media (min-width:768px){
    .section-head{
      flex-direction:row;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:44px;
    }
  }
  .section-title{
    font-size:24px;
    line-height:32px;
    font-weight:700;
    margin:0;
    letter-spacing:.2px;
  }
  .section-title .accent-bar{
    display:inline-block;
    width:4px;
    height:20px;
    border-radius:3px;
    margin-right:12px;
    vertical-align:-2px;
    background:linear-gradient(180deg,var(--brand),rgba(47,227,168,.25));
  }
  .section-desc{
    margin:0;
    font-size:15px;
    line-height:26px;
    color:var(--text-2);
    max-width:640px;
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--radius-pill);
    border:1px solid transparent;
    font-size:15px;
    font-weight:700;
    line-height:1;
    padding:14px 26px;
    cursor:pointer;
    transition:transform .22s var(--ease), box-shadow .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease), filter .22s var(--ease), border-color .22s var(--ease);
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--accent);
    color:#170D03;
    box-shadow:var(--shadow-accent);
  }
  .btn-primary:hover{
    filter:brightness(1.06);
    transform:translateY(-2px);
    box-shadow:0 14px 34px -8px rgba(255,138,61,.72);
  }
  .btn-primary:active{ transform:translateY(1px); box-shadow:0 6px 18px -8px rgba(255,138,61,.6); }

  .btn-ghost{
    background:transparent;
    border-color:rgba(47,227,168,.5);
    color:var(--brand);
  }
  .btn-ghost:hover{
    background:rgba(47,227,168,.10);
    transform:translateY(-2px);
  }
  .btn-ghost:active{ transform:translateY(1px); }

  .btn-sm{ padding:10px 18px; font-size:14px; }

  /* ---------- 标签 ---------- */
  .tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12px;
    line-height:16px;
    padding:5px 11px;
    border-radius:var(--radius-pill);
    color:var(--text-2);
    background:rgba(255,255,255,.05);
    border:1px solid var(--stroke);
  }
  .tag-brand{
    color:var(--brand);
    border-color:rgba(47,227,168,.35);
    background:rgba(47,227,168,.08);
  }
  .tag-accent{
    color:var(--accent);
    border-color:rgba(255,138,61,.35);
    background:rgba(255,138,61,.10);
  }

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background-color .28s var(--ease), border-color .28s var(--ease), backdrop-filter .28s var(--ease);
  }
  .site-header.scrolled{
    background:rgba(7,10,18,.78);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom-color:var(--stroke);
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:64px;
  }
  @media (min-width:1024px){
    .nav{ height:72px; gap:28px; }
  }

  .logo{
    display:inline-flex;
    align-items:center;
    gap:9px;
    font-size:17px;
    font-weight:800;
    letter-spacing:.3px;
    color:var(--text-1);
    flex:0 0 auto;
  }
  .logo-dot{
    width:10px;
    height:10px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 12px 2px rgba(47,227,168,.7);
    flex:0 0 auto;
  }
  .logo-badge{
    font-size:11px;
    line-height:1;
    padding:4px 8px;
    border-radius:var(--radius-pill);
    color:var(--brand);
    border:1px solid rgba(47,227,168,.42);
    background:rgba(47,227,168,.10);
    font-weight:600;
    letter-spacing:.5px;
  }

  .nav-links{
    display:none;
  }
  @media (min-width:1024px){
    .nav-links{
      display:flex;
      align-items:center;
      gap:24px;
      flex:1 1 auto;
      justify-content:center;
    }
  }
  .nav-links a{
    position:relative;
    color:var(--text-2);
    font-size:15px;
    padding:6px 0;
    transition:color .2s var(--ease);
  }
  .nav-links a:hover{ color:var(--text-1); }
  .nav-links a.active{ color:var(--brand); }
  .nav-links a.active::after{
    content:"";
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    bottom:-6px;
    width:60%;
    height:2px;
    border-radius:2px;
    background:var(--brand);
    box-shadow:0 0 10px rgba(47,227,168,.6);
  }

  .nav-right{
    display:flex;
    align-items:center;
    gap:12px;
    flex:0 0 auto;
  }
  .nav-cta{ display:none; }
  @media (min-width:768px){
    .nav-cta{ display:inline-flex; }
  }

  .burger{
    display:inline-flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:42px;
    height:42px;
    padding:0 10px;
    border-radius:12px;
    border:1px solid var(--stroke);
    background:rgba(255,255,255,.04);
    cursor:pointer;
  }
  .burger span{
    display:block;
    height:2px;
    width:100%;
    border-radius:2px;
    background:var(--text-1);
    transition:transform .24s var(--ease), opacity .2s var(--ease);
  }
  .burger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .burger.open span:nth-child(2){ opacity:0; }
  .burger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
  @media (min-width:1024px){
    .burger{ display:none; }
  }

  .nav-links.open{
    display:flex;
    flex-direction:column;
    gap:2px;
    position:fixed;
    top:72px;
    left:14px;
    right:14px;
    padding:10px;
    z-index:90;
    border-radius:var(--radius-lg);
    border:1px solid var(--stroke);
    background:rgba(11,16,32,.97);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    box-shadow:0 24px 48px -18px rgba(0,0,0,.85);
    animation:drawerIn .24s var(--ease) both;
  }
  .nav-links.open a{
    height:52px;
    display:flex;
    align-items:center;
    padding:0 14px;
    border-radius:12px;
    font-size:15px;
  }
  .nav-links.open a:hover{ background:rgba(47,227,168,.08); }
  .nav-links.open a.active{ background:rgba(47,227,168,.10); }
  .nav-links.open a.active::after{ display:none; }
  @keyframes drawerIn{
    from{ opacity:0; transform:translateX(18px); }
    to{ opacity:1; transform:translateX(0); }
  }

  /* ---------- 首屏 ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    padding:64px 0 56px;
    border-bottom:1px solid var(--stroke);
  }
  @media (min-width:1024px){
    .page-hero{ padding:96px 0 84px; }
  }
  .page-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:
      linear-gradient(115deg,rgba(7,10,18,.96) 12%,rgba(7,10,18,.78) 52%,rgba(7,10,18,.92) 100%),
      url("/assets/images/backpic/back-2.webp");
    background-size:cover;
    background-position:center;
    opacity:.62;
    pointer-events:none;
  }
  .page-hero::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(47,227,168,.55),rgba(123,92,255,.45),transparent);
  }
  .hero-inner{
    position:relative;
    z-index:1;
    max-width:820px;
  }
  .hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    line-height:16px;
    padding:6px 13px;
    border-radius:var(--radius-pill);
    color:var(--brand);
    border:1px solid rgba(47,227,168,.35);
    background:rgba(47,227,168,.09);
    margin-bottom:20px;
  }
  .hero-badge i{
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 10px 2px rgba(47,227,168,.7);
  }
  .hero-title{
    margin:0 0 16px;
    font-size:30px;
    line-height:40px;
    font-weight:800;
    letter-spacing:.4px;
  }
  @media (min-width:768px){
    .hero-title{ font-size:40px; line-height:52px; }
  }
  .hero-title em{
    font-style:normal;
    color:var(--brand);
    box-shadow:inset 0 -10px 0 rgba(47,227,168,.14);
  }
  .hero-sub{
    margin:0 0 24px;
    font-size:16px;
    line-height:28px;
    color:var(--text-2);
    max-width:640px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-bottom:24px;
  }
  .hero-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }

  /* ---------- 时间轴 ---------- */
  .timeline{
    position:relative;
    padding-left:0;
  }
  .timeline::before{
    content:"";
    position:absolute;
    left:5px;
    top:8px;
    bottom:8px;
    width:1px;
    background:linear-gradient(180deg,rgba(47,227,168,.75),rgba(123,92,255,.35) 55%,rgba(255,255,255,.06));
  }
  .tl-item{
    position:relative;
    padding-left:30px;
    margin-bottom:22px;
  }
  .tl-item:last-child{ margin-bottom:0; }
  @media (min-width:768px){
    .tl-item{ padding-left:52px; margin-bottom:28px; }
  }
  .tl-dot{
    position:absolute;
    left:0;
    top:26px;
    width:11px;
    height:11px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 0 4px rgba(47,227,168,.13), 0 0 14px rgba(47,227,168,.5);
  }
  .tl-card{
    padding:22px;
    border-radius:var(--radius-lg);
  }
  @media (min-width:768px){
    .tl-card{ padding:26px 28px; }
  }
  .tl-card:hover{
    border-color:rgba(47,227,168,.42);
    transform:translateY(-3px);
    box-shadow:var(--shadow-card);
  }
  .tl-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-bottom:12px;
  }
  .tl-stage{
    font-size:12px;
    line-height:16px;
    font-weight:700;
    letter-spacing:.6px;
    padding:4px 10px;
    border-radius:var(--radius-pill);
    color:var(--brand);
    background:rgba(47,227,168,.10);
    border:1px solid rgba(47,227,168,.32);
  }
  .tl-time{
    font-size:13px;
    line-height:20px;
    color:var(--text-2);
  }
  .tl-title{
    margin:0 0 10px;
    font-size:18px;
    line-height:26px;
    font-weight:600;
  }
  .tl-text{
    margin:0 0 16px;
    font-size:14px;
    line-height:24px;
    color:var(--text-2);
  }
  .tl-tags{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-bottom:16px;
  }
  .tl-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:700;
    color:var(--brand);
    transition:gap .22s var(--ease), color .22s var(--ease);
  }
  .tl-link:hover{ gap:10px; color:#6CF4C4; }

  /* ---------- 礼包形态卡 ---------- */
  .gift-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:768px){
    .gift-grid{ grid-template-columns:repeat(3,1fr); gap:24px; }
  }
  .gift-card{
    overflow:hidden;
    display:flex;
    flex-direction:column;
  }
  .gift-card:hover{
    border-color:rgba(47,227,168,.4);
    transform:translateY(-4px);
    box-shadow:var(--shadow-card);
  }
  .gift-media{
    position:relative;
    aspect-ratio:16 / 9;
    overflow:hidden;
  }
  .gift-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .5s var(--ease);
  }
  .gift-card:hover .gift-media img{ transform:scale(1.05); }
  .gift-media::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(7,10,18,0) 45%,rgba(7,10,18,.78) 100%);
  }
  .gift-no{
    position:absolute;
    top:12px;
    left:12px;
    z-index:2;
    font-size:12px;
    line-height:16px;
    font-weight:700;
    padding:4px 10px;
    border-radius:var(--radius-pill);
    color:var(--text-1);
    background:rgba(7,10,18,.55);
    border:1px solid var(--stroke);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
  }
  .gift-body{
    padding:20px 22px 24px;
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .card-title{
    margin:0;
    font-size:18px;
    line-height:26px;
    font-weight:600;
  }
  .card-text{
    margin:0;
    font-size:14px;
    line-height:24px;
    color:var(--text-2);
  }
  .card-tags{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
  }

  /* ---------- 准备清单 ---------- */
  .prep-list{
    border-top:1px solid var(--stroke);
  }
  .prep-row{
    display:flex;
    align-items:center;
    gap:16px;
    padding:20px 16px;
    border-bottom:1px solid var(--stroke);
    transition:background-color .22s var(--ease);
  }
  .prep-row:hover{ background:rgba(47,227,168,.06); }
  .prep-no{
    font-size:24px;
    line-height:28px;
    font-weight:800;
    color:rgba(47,227,168,.42);
    flex:0 0 auto;
    font-family:Inter,-apple-system,"PingFang SC",sans-serif;
  }
  .prep-body{ flex:1 1 auto; min-width:0; }
  .prep-title{
    margin:0 0 4px;
    font-size:16px;
    line-height:24px;
    font-weight:600;
  }
  .prep-text{
    margin:0;
    font-size:14px;
    line-height:24px;
    color:var(--text-2);
  }
  .prep-arrow{
    flex:0 0 auto;
    font-size:16px;
    color:var(--text-2);
    transition:transform .22s var(--ease), color .22s var(--ease);
  }
  .prep-row:hover .prep-arrow{ transform:translateX(4px); color:var(--brand); }

  /* ---------- FAQ ---------- */
  .faq-list{
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .faq-item{
    border-radius:var(--radius-lg);
    background:var(--glass-bg);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border:1px solid var(--stroke);
    overflow:hidden;
    position:relative;
    transition:border-color .24s var(--ease);
  }
  .faq-item::before{
    content:"";
    position:absolute;
    left:0;
    top:14px;
    bottom:14px;
    width:3px;
    border-radius:3px;
    background:var(--brand);
    opacity:0;
    transition:opacity .24s var(--ease);
  }
  .faq-item.open{ border-color:rgba(47,227,168,.4); }
  .faq-item.open::before{ opacity:1; }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 22px;
    background:transparent;
    border:0;
    text-align:left;
    color:var(--text-1);
    font-size:16px;
    line-height:24px;
    font-weight:700;
    cursor:pointer;
  }
  .faq-icon{
    flex:0 0 auto;
    width:26px;
    height:26px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    border:1px solid var(--stroke);
    color:var(--brand);
    font-size:15px;
    line-height:1;
    transition:transform .24s var(--ease), background-color .24s var(--ease);
  }
  .faq-item.open .faq-icon{
    transform:rotate(45deg);
    background:rgba(47,227,168,.12);
  }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .24s var(--ease);
  }
  .faq-a p{
    margin:0;
    padding:0 22px 22px;
    font-size:15px;
    line-height:26px;
    color:var(--text-2);
  }

  /* ---------- CTA 面板 ---------- */
  .cta-panel{
    position:relative;
    overflow:hidden;
    padding:34px 26px;
    border-radius:var(--radius-xl);
    text-align:center;
  }
  @media (min-width:768px){
    .cta-panel{ padding:52px 48px; }
  }
  .cta-panel::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:
      linear-gradient(180deg,rgba(7,10,18,.9),rgba(7,10,18,.94)),
      url("/assets/images/backpic/back-3.png");
    background-size:cover;
    background-position:center;
    opacity:.5;
    z-index:0;
  }
  .cta-panel::after{
    content:"";
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(47,227,168,.85),rgba(123,92,255,.7),transparent);
    z-index:1;
  }
  .cta-inner{ position:relative; z-index:2; }
  .cta-title{
    margin:0 0 12px;
    font-size:22px;
    line-height:32px;
    font-weight:800;
  }
  @media (min-width:768px){
    .cta-title{ font-size:26px; line-height:36px; }
  }
  .cta-text{
    margin:0 auto 26px;
    max-width:560px;
    font-size:15px;
    line-height:26px;
    color:var(--text-2);
  }
  .cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    justify-content:center;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:#05070D;
    border-top:1px solid var(--stroke);
    padding:56px 0 26px;
    position:relative;
    z-index:1;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
  }
  @media (min-width:640px){
    .footer-grid{ grid-template-columns:1fr 1fr; }
  }
  @media (min-width:1024px){
    .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; }
  }
  .footer-brand p{
    margin:16px 0 14px;
    font-size:14px;
    line-height:24px;
    color:var(--text-2);
    max-width:340px;
  }
  .footer-key{
    font-size:12px;
    line-height:20px;
    color:rgba(47,227,168,.85);
    letter-spacing:.4px;
  }
  .footer-col h4{
    margin:0 0 16px;
    font-size:14px;
    line-height:22px;
    font-weight:700;
    color:var(--text-1);
    letter-spacing:.5px;
  }
  .footer-col ul{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .footer-col li a,
  .footer-col li span{
    font-size:14px;
    line-height:22px;
    color:var(--text-2);
    transition:color .2s var(--ease), text-decoration-color .2s var(--ease);
  }
  .footer-col li a:hover{
    color:var(--brand);
    text-decoration:underline;
    text-underline-offset:4px;
  }
  .footer-bottom{
    margin-top:40px;
    padding-top:20px;
    border-top:1px solid var(--stroke);
    display:flex;
    flex-wrap:wrap;
    gap:10px 20px;
    justify-content:space-between;
    font-size:13px;
    line-height:20px;
    color:rgba(163,174,200,.75);
  }

  /* ---------- 悬浮与底部条 ---------- */
  .fab{
    position:fixed;
    right:24px;
    bottom:24px;
    z-index:70;
    display:none;
    align-items:center;
    gap:12px;
    padding:10px 12px 10px 14px;
    border-radius:var(--radius-pill);
    background:rgba(11,16,32,.86);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--stroke);
    box-shadow:0 18px 40px -16px rgba(0,0,0,.85);
    opacity:0;
    transform:translateY(12px);
    transition:opacity .28s var(--ease), transform .28s var(--ease);
  }
  .fab.show{ opacity:1; transform:translateY(0); }
  .fab-text{
    font-size:13px;
    line-height:18px;
    color:var(--text-2);
    max-width:150px;
  }
  @media (min-width:1024px){
    .fab{ display:flex; }
  }

  .mobile-bar{
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:75;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    background:rgba(7,10,18,.94);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-top:1px solid var(--stroke);
  }
  .mobile-bar-info{
    display:flex;
    flex-direction:column;
    min-width:0;
  }
  .mobile-bar-info strong{
    font-size:14px;
    line-height:20px;
    color:var(--text-1);
  }
  .mobile-bar-info span{
    font-size:12px;
    line-height:18px;
    color:var(--text-2);
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  @media (min-width:1024px){
    .mobile-bar{ display:none; }
  }
  @media (max-width:1023px){
    body{ padding-bottom:78px; }
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
    .gift-card:hover,
    .tl-card:hover,
    .btn:hover{ transform:none !important; }
  }