/* roulang page: index */
:root{
  --bg:#0f1117;
  --bg-soft:#171b24;
  --bg-card:#1d2230;
  --bg-card-2:#20283a;
  --text:#f4f7fb;
  --muted:#aeb8c7;
  --line:rgba(255,255,255,.1);
  --line-strong:rgba(255,255,255,.18);
  --primary:#ff4d6d;
  --primary-deep:#d93155;
  --secondary:#48c6ef;
  --accent:#ffd166;
  --success:#3ddc97;
  --shadow:0 18px 48px rgba(0,0,0,.28);
  --shadow-soft:0 10px 24px rgba(0,0,0,.18);
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:8px;
  --container:1200px;
  --section:88px;
  --nav-h:78px;
}
*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255,77,109,.14), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(72,198,239,.12), transparent 24%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(16px);
  background:rgba(15,17,23,.78);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.navbar{
  min-height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand-mark{
  width:44px;
  height:44px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--primary),#ff8fab 58%,var(--accent));
  box-shadow:0 12px 24px rgba(255,77,109,.26);
  display:grid;
  place-items:center;
  color:#fff;
  font-size:18px;
  font-weight:800;
}
.brand-text{
  min-width:0;
}
.brand-title{
  font-size:1.05rem;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-sub{
  color:var(--muted);
  font-size:.82rem;
  margin-top:2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.nav-links a{
  padding:10px 14px;
  border-radius:999px;
  color:#d8e0ec;
  font-weight:600;
  font-size:.95rem;
  transition:all .25s ease;
  border:1px solid transparent;
}
.nav-links a:hover,
.nav-links a:focus{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.08);
  color:#fff;
  outline:none;
}
.nav-links a.active{
  background:linear-gradient(135deg, rgba(255,77,109,.18), rgba(72,198,239,.12));
  border-color:rgba(255,77,109,.34);
  color:#fff;
}
.hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 48px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(15,17,23,.88) 0%, rgba(15,17,23,.74) 40%, rgba(15,17,23,.48) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  z-index:-2;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(15,17,23,.15) 0%, rgba(15,17,23,.7) 100%);
  z-index:-1;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:stretch;
}
.hero-copy{
  padding:26px 0 16px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  color:#fff;
  font-size:.9rem;
  margin-bottom:18px;
}
.eyebrow-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 6px rgba(61,220,151,.12);
}
.hero h1{
  font-size:clamp(2.4rem, 4.5vw, 4.6rem);
  line-height:1.08;
  letter-spacing:0;
  max-width:10ch;
}
.hero p{
  margin-top:18px;
  color:#d6deea;
  font-size:1.08rem;
  max-width:700px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:50px;
  padding:0 22px;
  border-radius:999px;
  font-weight:700;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),#ff7b8f);
  box-shadow:0 16px 32px rgba(255,77,109,.28);
}
.btn-primary:hover,
.btn-primary:focus{
  transform:translateY(-2px);
  box-shadow:0 20px 38px rgba(255,77,109,.34);
  outline:none;
}
.btn-secondary{
  color:#fff;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
}
.btn-secondary:hover,
.btn-secondary:focus{
  transform:translateY(-2px);
  background:rgba(255,255,255,.1);
  outline:none;
}
.hero-panel{
  display:grid;
  gap:18px;
}
.glass-card{
  background:linear-gradient(180deg, rgba(29,34,48,.84), rgba(17,21,30,.88));
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.preview-card{
  overflow:hidden;
}
.preview-cover{
  position:relative;
  aspect-ratio:16/10;
}
.preview-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.preview-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(8,10,15,.86) 100%);
  display:flex;
  align-items:flex-end;
  padding:22px;
}
.preview-overlay h3{
  font-size:1.15rem;
  margin-bottom:6px;
}
.preview-overlay p{
  color:#d8e2ee;
  font-size:.95rem;
}
.mini-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}
.stat{
  padding:18px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.stat strong{
  display:block;
  font-size:1.5rem;
  line-height:1.1;
  margin-bottom:6px;
}
.stat span{
  color:var(--muted);
  font-size:.92rem;
}
.section{
  padding:var(--section) 0;
}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:22px;
  margin-bottom:28px;
}
.section-title{
  font-size:clamp(1.7rem,2.8vw,2.5rem);
  line-height:1.15;
}
.section-desc{
  color:var(--muted);
  max-width:720px;
  margin-top:10px;
}
.badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  color:#dde5f0;
  font-size:.9rem;
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.feature-card{
  padding:24px;
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(29,34,48,.88), rgba(20,24,34,.92));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,77,109,.34);
  box-shadow:0 18px 40px rgba(0,0,0,.24);
}
.feature-icon{
  width:44px;
  height:44px;
  border-radius:14px;
  display:grid;
  place-items:center;
  margin-bottom:18px;
  background:linear-gradient(135deg, rgba(255,77,109,.18), rgba(72,198,239,.16));
  border:1px solid rgba(255,255,255,.08);
  font-weight:800;
}
.feature-card h3{
  font-size:1.1rem;
  margin-bottom:10px;
}
.feature-card p{
  color:var(--muted);
  font-size:.96rem;
}
.category-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.category-card{
  overflow:hidden;
  border-radius:var(--radius);
  background:var(--bg-card);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.category-card:hover{
  transform:translateY(-5px);
  border-color:rgba(72,198,239,.3);
  box-shadow:0 20px 42px rgba(0,0,0,.28);
}
.category-media{
  aspect-ratio:16/10;
  overflow:hidden;
}
.category-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.category-card:hover .category-media img{
  transform:scale(1.05);
}
.category-body{
  padding:22px;
}
.category-body h3{
  font-size:1.22rem;
  margin-bottom:10px;
}
.category-body p{
  color:var(--muted);
  margin-bottom:16px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
}
.link-arrow::after{
  content:"→";
  transition:transform .22s ease;
}
.category-card:hover .link-arrow::after{
  transform:translateX(4px);
}
.dual-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
}
.media-box{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
  background:var(--bg-card);
}
.media-box img{
  width:100%;
  height:100%;
  min-height:320px;
  object-fit:cover;
}
.list-card{
  padding:28px;
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(27,32,45,.92), rgba(18,22,31,.96));
  border:1px solid rgba(255,255,255,.08);
}
.check-list{
  display:grid;
  gap:16px;
  margin-top:18px;
}
.check-list li{
  position:relative;
  padding-left:34px;
  color:#dbe4ef;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:18px;
  height:18px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#ff9aa2);
  box-shadow:0 0 0 5px rgba(255,77,109,.12);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:6px;
  top:13px;
  width:7px;
  height:4px;
  border-left:2px solid #fff;
  border-bottom:2px solid #fff;
  transform:rotate(-45deg);
}
.updates-wrap{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
}
.update-list{
  display:grid;
  gap:16px;
}
.update-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:16px;
  align-items:center;
  padding:18px 20px;
  border-radius:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}
.update-item:hover{
  transform:translateY(-3px);
  border-color:rgba(255,77,109,.34);
  background:linear-gradient(180deg, rgba(255,77,109,.08), rgba(255,255,255,.02));
}
.update-tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:92px;
  padding:9px 12px;
  border-radius:999px;
  background:rgba(72,198,239,.12);
  color:#bdefff;
  border:1px solid rgba(72,198,239,.2);
  font-size:.88rem;
}
.update-content h3{
  font-size:1.05rem;
  margin-bottom:4px;
}
.update-content p{
  color:var(--muted);
  font-size:.94rem;
}
.update-time{
  color:#d5deea;
  white-space:nowrap;
  font-size:.92rem;
}
.side-note{
  padding:28px;
  border-radius:var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.09);
  position:relative;
  overflow:hidden;
}
.side-note::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(13,16,24,.58), rgba(13,16,24,.88));
}
.side-note > *{
  position:relative;
  z-index:1;
}
.side-note h3{
  font-size:1.45rem;
  margin-bottom:10px;
}
.side-note p{
  color:#d3dbe7;
}
.side-note .check-list{
  margin-top:20px;
}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step{
  padding:24px;
  border-radius:var(--radius);
  background:var(--bg-card-2);
  border:1px solid rgba(255,255,255,.08);
  position:relative;
}
.step-num{
  display:inline-flex;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:linear-gradient(135deg,var(--secondary),#8be9fd);
  color:#0b1820;
  font-weight:800;
  margin-bottom:16px;
}
.step h3{
  margin-bottom:10px;
  font-size:1.08rem;
}
.step p{
  color:var(--muted);
  font-size:.95rem;
}
.testimonial-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.quote{
  padding:24px;
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(29,34,48,.84), rgba(21,25,35,.94));
  border:1px solid rgba(255,255,255,.08);
}
.quote strong{
  display:block;
  margin-top:16px;
  font-size:1rem;
}
.quote span{
  color:var(--muted);
  font-size:.9rem;
}
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.faq-item{
  padding:22px 24px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.faq-item h3{
  font-size:1.05rem;
  margin-bottom:10px;
}
.faq-item p{
  color:var(--muted);
  font-size:.95rem;
}
.cta{
  padding:38px;
  border-radius:28px;
  background:
    linear-gradient(135deg, rgba(255,77,109,.18), rgba(72,198,239,.14)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.cta::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(15,17,23,.86), rgba(15,17,23,.62));
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta h2{
  font-size:clamp(1.7rem, 3vw, 2.7rem);
  margin-bottom:12px;
}
.cta p{
  color:#d7e1ed;
  max-width:720px;
}
.site-footer{
  padding:34px 0 44px;
  border-top:1px solid rgba(255,255,255,.08);
  background:#0c0f15;
}
.footer-grid{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
}
.footer-brand{
  max-width:560px;
}
.footer-brand h3{
  font-size:1.12rem;
  margin-bottom:10px;
}
.footer-brand p,
.footer-meta{
  color:var(--muted);
  font-size:.94rem;
}
.footer-nav{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.footer-nav a{
  color:#dbe3ef;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.06);
  transition:all .2s ease;
}
.footer-nav a:hover{
  background:rgba(255,255,255,.08);
}
@media (max-width: 1024px){
  :root{--section:72px}
  .hero-grid,
  .updates-wrap,
  .dual-grid{
    grid-template-columns:1fr;
  }
  .feature-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .category-grid,
  .steps,
  .testimonial-grid,
  .faq-grid{
    grid-template-columns:1fr 1fr;
  }
  .cta-inner{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width: 768px){
  .container{width:min(var(--container), calc(100% - 28px))}
  .navbar{
    flex-direction:column;
    align-items:flex-start;
    padding:14px 0;
  }
  .nav-links{
    width:100%;
  }
  .hero{
    padding:48px 0 34px;
  }
  .hero h1{
    max-width:none;
  }
  .mini-stats{
    grid-template-columns:1fr;
  }
  .feature-grid,
  .category-grid,
  .steps,
  .testimonial-grid,
  .faq-grid{
    grid-template-columns:1fr;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
  .update-item{
    grid-template-columns:1fr;
    align-items:flex-start;
  }
}
@media (max-width: 520px){
  .brand-title{font-size:.98rem}
  .brand-sub{font-size:.78rem}
  .nav-links a{
    font-size:.9rem;
    padding:9px 12px;
  }
  .hero-actions{
    flex-direction:column;
  }
  .btn{
    width:100%;
  }
  .cta{
    padding:28px 22px;
    border-radius:22px;
  }
}

/* roulang page: article */
:root{
      --bg:#0b0d13;
      --bg-soft:#121620;
      --panel:#171c28;
      --panel-2:#1f2635;
      --text:#f6f7fb;
      --muted:#aeb7c8;
      --weak:#7f8aa0;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(255,255,255,.18);
      --primary:#ff3d7f;
      --primary-2:#ff7a45;
      --accent:#7c5cff;
      --success:#39d98a;
      --shadow:0 20px 60px rgba(0,0,0,.38);
      --shadow-soft:0 14px 34px rgba(0,0,0,.22);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1160px;
      --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 16% 8%, rgba(255,61,127,.18), transparent 34%),
        radial-gradient(circle at 86% 12%, rgba(124,92,255,.18), transparent 30%),
        linear-gradient(180deg,#090b10 0%,#0b0d13 48%,#10131c 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(255,61,127,.35);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(11,13,19,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .navbar{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:26px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:13px;
      min-width:250px;
      transition:transform .25s ease,opacity .25s ease;
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      font-weight:900;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 28px rgba(255,61,127,.32);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-title{font-size:17px;font-weight:900;letter-spacing:.2px}
    .brand-sub{margin-top:3px;font-size:12px;color:var(--weak)}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav-links a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:background .25s ease,color .25s ease,transform .25s ease;
    }
    .nav-links a:hover,
    .nav-links a:focus{
      color:#fff;
      background:rgba(255,255,255,.08);
      outline:none;
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,61,127,.92),rgba(124,92,255,.86));
      box-shadow:0 10px 26px rgba(124,92,255,.22);
    }
    .article-hero{
      position:relative;
      padding:72px 0 42px;
      overflow:hidden;
    }
    .article-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(11,13,19,.92),rgba(11,13,19,.72),rgba(11,13,19,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.78;
      z-index:-2;
    }
    .article-hero:after{
      content:"";
      position:absolute;
      inset:auto -10% -35% -10%;
      height:220px;
      background:radial-gradient(circle,rgba(255,61,127,.24),transparent 62%);
      z-index:-1;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:9px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:14px;
      margin-bottom:22px;
    }
    .breadcrumb a{
      color:#fff;
      border-bottom:1px solid transparent;
      transition:color .25s ease,border-color .25s ease;
    }
    .breadcrumb a:hover{color:var(--primary);border-color:var(--primary)}
    .crumb-dot{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.35)}
    .article-hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:34px;
      align-items:end;
    }
    .article-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#ffd7e4;
      font-weight:800;
      font-size:13px;
      margin-bottom:18px;
    }
    .article-kicker:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(255,61,127,.16);
    }
    h1{
      max-width:850px;
      font-size:clamp(32px,5vw,58px);
      line-height:1.12;
      letter-spacing:-1.5px;
      font-weight:950;
      color:#fff;
    }
    .hero-summary{
      max-width:790px;
      margin-top:18px;
      color:#d9deea;
      font-size:17px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
      color:#eef1f8;
      font-size:13px;
      font-weight:700;
    }
    .hero-card{
      border:1px solid rgba(255,255,255,.15);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(23,28,40,.86),rgba(17,21,31,.92));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-card img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      filter:saturate(1.05) contrast(1.02);
    }
    .hero-card-body{padding:20px}
    .hero-card-body strong{display:block;font-size:18px;margin-bottom:7px}
    .hero-card-body p{color:var(--muted);font-size:14px}
    main{padding:54px 0 74px}
    .layout{
      display:grid;
      grid-template-columns:minmax(0,760px) 340px;
      gap:36px;
      align-items:start;
    }
    .content-panel,
    .side-card,
    .recommend-card,
    .faq-card,
    .cta-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(23,28,40,.82);
      box-shadow:var(--shadow-soft);
    }
    .content-panel{padding:34px}
    .article-cover{
      margin-bottom:30px;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.14);
      background:#111722;
    }
    .article-cover img{
      width:100%;
      aspect-ratio:16/8.6;
      object-fit:cover;
    }
    .prose{
      color:#dce2ef;
      font-size:16px;
    }
    .prose h2,.prose h3,.prose h4{
      color:#fff;
      line-height:1.35;
      margin:30px 0 14px;
      letter-spacing:-.3px;
    }
    .prose h2{
      font-size:28px;
      padding-top:8px;
    }
    .prose h3{font-size:22px}
    .prose h4{font-size:18px}
    .prose p{margin:15px 0;color:#d7deeb}
    .prose a{
      color:#fff;
      font-weight:800;
      border-bottom:1px solid rgba(255,61,127,.65);
      transition:color .25s ease,border-color .25s ease;
    }
    .prose a:hover{color:#ff8eb5;border-color:#ff8eb5}
    .prose ul,.prose ol{
      margin:16px 0 16px 22px;
      color:#d7deeb;
    }
    .prose li{margin:8px 0;padding-left:4px}
    .prose blockquote{
      margin:24px 0;
      padding:20px 22px;
      border-left:4px solid var(--primary);
      border-radius:18px;
      background:rgba(255,61,127,.08);
      color:#eef1f8;
    }
    .prose table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:18px;
      margin:24px 0;
    }
    .prose th,.prose td{
      padding:13px 14px;
      border-bottom:1px solid var(--line);
      color:#dce2ef;
      text-align:left;
    }
    .prose th{background:rgba(255,255,255,.07);color:#fff}
    .prose tr:last-child td{border-bottom:none}
    .empty-state{
      text-align:center;
      padding:64px 20px;
    }
    .empty-state h2{font-size:30px;margin-bottom:12px;color:#fff}
    .empty-state p{color:var(--muted);margin-bottom:24px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border:0;
      border-radius:999px;
      cursor:pointer;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 14px 30px rgba(255,61,127,.24);
      transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(124,92,255,.28)}
    .btn:active{transform:translateY(0);filter:saturate(.92)}
    .btn:focus{outline:3px solid rgba(255,61,127,.25);outline-offset:3px}
    .btn.secondary{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:none;
    }
    .sidebar{
      position:sticky;
      top:102px;
      display:grid;
      gap:18px;
    }
    .side-card{padding:22px}
    .side-card h2,
    .recommend-card h2,
    .faq-card h2{
      font-size:20px;
      margin-bottom:14px;
      color:#fff;
      letter-spacing:-.2px;
    }
    .info-list{display:grid;gap:12px}
    .info-item{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:13px 0;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
    }
    .info-item:last-child{border-bottom:none}
    .info-item strong{color:#fff;text-align:right}
    .tag-list{display:flex;flex-wrap:wrap;gap:9px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      color:#f1f3f8;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      font-size:13px;
      font-weight:700;
    }
    .recommend-card{padding:20px;overflow:hidden}
    .mini-link{
      display:grid;
      grid-template-columns:76px 1fr;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid var(--line);
      transition:transform .25s ease,opacity .25s ease;
    }
    .mini-link:last-child{border-bottom:none}
    .mini-link:hover{transform:translateX(3px)}
    .mini-link img{
      width:76px;
      height:58px;
      object-fit:cover;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
    }
    .mini-link strong{display:block;color:#fff;font-size:14px;line-height:1.45}
    .mini-link span{display:block;margin-top:4px;color:var(--weak);font-size:12px}
    .section{
      margin-top:34px;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title h2{
      color:#fff;
      font-size:28px;
      line-height:1.25;
      letter-spacing:-.5px;
    }
    .section-title p{max-width:520px;color:var(--muted);font-size:15px}
    .cards-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .topic-card{
      position:relative;
      min-height:190px;
      padding:22px;
      border-radius:var(--radius-md);
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(31,38,53,.9),rgba(19,23,33,.9));
      overflow:hidden;
      transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
    }
    .topic-card:before{
      content:"";
      position:absolute;
      right:-38px;
      top:-38px;
      width:120px;
      height:120px;
      border-radius:50%;
      background:rgba(255,61,127,.16);
      transition:transform .25s ease;
    }
    .topic-card:hover{
      transform:translateY(-5px);
      border-color:rgba(255,61,127,.38);
      box-shadow:var(--shadow-soft);
    }
    .topic-card:hover:before{transform:scale(1.2)}
    .topic-card .badge{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,61,127,.12);
      color:#ffc2d7;
      font-size:12px;
      font-weight:900;
      margin-bottom:16px;
    }
    .topic-card h3{position:relative;font-size:20px;color:#fff;margin-bottom:10px}
    .topic-card p{position:relative;color:var(--muted);font-size:14px}
    .faq-card{padding:26px;margin-top:34px}
    .faq-list{display:grid;gap:12px}
    details{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.05);
      overflow:hidden;
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      color:#fff;
      font-weight:900;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      transition:background .25s ease;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      width:26px;
      height:26px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.09);
      color:#fff;
      flex:0 0 auto;
    }
    details[open] summary{background:rgba(255,61,127,.08)}
    details[open] summary:after{content:"−"}
    details p{padding:0 18px 17px;color:var(--muted);font-size:14px}
    .cta-panel{
      margin-top:34px;
      padding:28px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      background:
        linear-gradient(135deg,rgba(255,61,127,.18),rgba(124,92,255,.16)),
        rgba(23,28,40,.86);
    }
    .cta-panel h2{font-size:26px;color:#fff;margin-bottom:8px}
    .cta-panel p{color:#d7deeb}
    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(7,9,14,.94);
      padding:42px 0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:32px;
      align-items:start;
    }
    .footer-brand h3{font-size:22px;margin-bottom:10px;color:#fff}
    .footer-brand p{color:var(--muted);max-width:560px;font-size:14px}
    .footer-nav{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-nav a{
      padding:8px 12px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      font-size:13px;
      transition:color .25s ease,background .25s ease,border-color .25s ease;
    }
    .footer-nav a:hover{
      color:#fff;
      background:rgba(255,61,127,.12);
      border-color:rgba(255,61,127,.35);
    }
    .footer-meta{color:var(--weak);font-size:13px;text-align:right}
    @media (max-width:1024px){
      .article-hero-grid{grid-template-columns:1fr}
      .hero-card{max-width:560px}
      .layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .cards-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .navbar{align-items:flex-start;flex-direction:column;padding:14px 0;gap:14px}
      .brand{min-width:0}
      .nav-links{width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px;flex-wrap:nowrap}
      .nav-links a{white-space:nowrap}
      .article-hero{padding:46px 0 34px}
      .content-panel{padding:22px}
      .sidebar{grid-template-columns:1fr}
      .cards-grid{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-nav{justify-content:flex-start}
      .footer-meta{text-align:left}
    }
    @media (max-width:520px){
      h1{font-size:30px;letter-spacing:-.7px}
      .hero-summary{font-size:15px}
      .article-meta{gap:8px}
      .meta-pill{font-size:12px;padding:8px 10px}
      .content-panel{border-radius:20px;padding:18px}
      .prose{font-size:15px}
      .prose h2{font-size:23px}
      .prose h3{font-size:19px}
      .article-cover img{aspect-ratio:4/3}
      .section-title{display:block}
      .section-title p{margin-top:8px}
      .brand-title{font-size:15px}
      .brand-sub{font-size:11px}
      .mini-link{grid-template-columns:68px 1fr}
      .mini-link img{width:68px;height:54px}
    }

/* roulang page: category1 */
:root{
      --bg:#0d1020;
      --bg-soft:#151a2e;
      --bg-card:#ffffff;
      --text:#141827;
      --text-invert:#ffffff;
      --muted:#667085;
      --muted-light:#b9c0d4;
      --primary:#e84f7a;
      --primary-dark:#c93562;
      --primary-soft:#fff0f5;
      --secondary:#7c5cff;
      --accent:#24d2b5;
      --warning:#ffb84d;
      --border:#e8eaf1;
      --border-dark:rgba(255,255,255,.14);
      --shadow:0 20px 60px rgba(15,23,42,.12);
      --shadow-soft:0 10px 30px rgba(15,23,42,.08);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1160px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:#f7f8fc;
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(232,79,122,.22)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(13,16,32,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border-dark);
    }
    .navbar{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:250px;
    }
    .brand-mark{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      font-weight:900;
      font-size:22px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 28px rgba(232,79,122,.34);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-title{font-weight:900;color:#fff;letter-spacing:.2px;font-size:18px}
    .brand-sub{font-size:12px;color:var(--muted-light);margin-top:4px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav-links a{
      color:#dfe4f7;
      padding:10px 14px;
      border-radius:999px;
      font-size:14px;
      border:1px solid transparent;
    }
    .nav-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.12);
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(232,79,122,.92),rgba(124,92,255,.88));
      box-shadow:0 10px 26px rgba(124,92,255,.2);
    }
    .nav-links a:focus-visible,.btn:focus-visible,.footer-nav a:focus-visible{
      outline:3px solid rgba(36,210,181,.5);
      outline-offset:3px;
    }

    .page-hero{
      position:relative;
      isolation:isolate;
      overflow:hidden;
      color:var(--text-invert);
      background:
        linear-gradient(120deg,rgba(13,16,32,.92),rgba(35,20,46,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:auto -12% -28% -12%;
      height:280px;
      background:radial-gradient(circle at center,rgba(232,79,122,.3),transparent 62%);
      z-index:-1;
    }
    .hero-inner{
      min-height:560px;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      align-items:center;
      gap:54px;
      padding:78px 0 86px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.09);
      color:#fff;
      border-radius:999px;
      font-size:14px;
      margin-bottom:20px;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(36,210,181,.14);
    }
    h1{
      font-size:clamp(36px,5vw,62px);
      line-height:1.08;
      letter-spacing:-1.5px;
      margin-bottom:22px;
      max-width:820px;
    }
    .hero-desc{
      color:#d7dcee;
      font-size:18px;
      max-width:720px;
      margin-bottom:30px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      cursor:pointer;
      font-weight:800;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;
      box-shadow:0 16px 36px rgba(232,79,122,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(232,79,122,.36)}
    .btn-ghost{
      color:#fff;
      border-color:rgba(255,255,255,.18);
      background:rgba(255,255,255,.08);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
    .hero-note{
      color:#bfc7de;
      font-size:14px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      max-width:700px;
    }
    .hero-note strong{color:#fff}
    .hero-panel{
      position:relative;
      border:1px solid rgba(255,255,255,.15);
      background:rgba(255,255,255,.09);
      border-radius:34px;
      padding:16px;
      box-shadow:0 30px 90px rgba(0,0,0,.28);
      backdrop-filter:blur(12px);
    }
    .hero-panel img{
      height:390px;
      width:100%;
      object-fit:cover;
      border-radius:24px;
    }
    .panel-info{
      position:absolute;
      left:34px;
      right:34px;
      bottom:34px;
      padding:18px;
      border-radius:20px;
      background:rgba(13,16,32,.76);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(14px);
    }
    .panel-info h2{font-size:20px;margin-bottom:8px}
    .panel-info p{color:#d7dcee;font-size:14px}
    .hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:6px 10px;
      font-size:13px;
      color:#fff;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
    }

    main{background:#f7f8fc}
    .section{padding:82px 0}
    .section.tight{padding-top:58px}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:34px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:900;
      font-size:14px;
      letter-spacing:.08em;
      margin-bottom:8px;
    }
    .section-title{
      font-size:clamp(28px,3vw,42px);
      line-height:1.2;
      letter-spacing:-.6px;
      margin-bottom:10px;
    }
    .section-desc{
      color:var(--muted);
      max-width:680px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      font-weight:800;
      font-size:14px;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .card{
      background:var(--bg-card);
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(232,79,122,.26);
    }
    .feature-card{padding:26px}
    .icon{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      margin-bottom:18px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 28px rgba(124,92,255,.2);
    }
    .feature-card h3{font-size:21px;margin-bottom:10px}
    .feature-card p{color:var(--muted)}
    .split{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:42px;
      align-items:center;
    }
    .image-card{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      box-shadow:var(--shadow);
      min-height:420px;
      background:#111827;
    }
    .image-card img{
      width:100%;
      height:100%;
      min-height:420px;
      object-fit:cover;
      filter:saturate(1.06) contrast(1.04);
    }
    .image-card:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(to top,rgba(13,16,32,.68),transparent 55%);
    }
    .image-caption{
      position:absolute;
      z-index:2;
      left:24px;
      right:24px;
      bottom:24px;
      color:#fff;
    }
    .image-caption strong{font-size:22px;display:block;margin-bottom:6px}
    .image-caption span{color:#d9deef}
    .check-list{
      display:grid;
      gap:14px;
      margin-top:24px;
    }
    .check-item{
      display:flex;
      gap:13px;
      padding:16px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 8px 24px rgba(15,23,42,.05);
    }
    .check-item:before{
      content:"✓";
      flex:0 0 28px;
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--accent);
      font-weight:900;
      margin-top:2px;
    }
    .check-item strong{display:block;margin-bottom:2px}
    .check-item span{color:var(--muted);font-size:15px}
    .scenario-wrap{
      background:linear-gradient(180deg,#fff,#fafbff);
      border-top:1px solid var(--border);
      border-bottom:1px solid var(--border);
    }
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .scenario{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      min-height:210px;
      transition:var(--ease);
    }
    .scenario:hover{border-color:rgba(124,92,255,.28);transform:translateY(-4px)}
    .scenario .num{
      color:var(--secondary);
      font-size:13px;
      font-weight:900;
      margin-bottom:12px;
    }
    .scenario h3{font-size:19px;margin-bottom:8px}
    .scenario p{color:var(--muted);font-size:15px}
    .steps{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
      counter-reset:step;
    }
    .step{
      position:relative;
      padding:28px;
      overflow:hidden;
      border-radius:var(--radius-md);
      background:var(--bg);
      color:#fff;
      min-height:250px;
    }
    .step:before{
      counter-increment:step;
      content:"0" counter(step);
      position:absolute;
      right:22px;
      top:14px;
      color:rgba(255,255,255,.12);
      font-size:68px;
      font-weight:900;
      line-height:1;
    }
    .step h3{font-size:22px;margin:52px 0 10px;position:relative}
    .step p{color:#cbd3e8;position:relative}
    .step:nth-child(2){background:linear-gradient(135deg,#201a3d,#3a254f)}
    .step:nth-child(3){background:linear-gradient(135deg,#1b263d,#173d45)}
    .content-band{
      border-radius:34px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(13,16,32,.92),rgba(38,26,58,.9)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:28px;
      align-items:center;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .content-band h2{font-size:34px;line-height:1.22;margin-bottom:12px}
    .content-band p{color:#d9def0}
    .mini-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .mini-card{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.14);
    }
    .mini-card strong{display:block;font-size:18px;margin-bottom:6px}
    .mini-card span{color:#cbd3e8;font-size:14px}
    .faq-list{
      display:grid;
      gap:14px;
      max-width:900px;
      margin:0 auto;
    }
    .faq-item{
      border:1px solid var(--border);
      background:#fff;
      border-radius:20px;
      padding:22px 24px;
      box-shadow:0 8px 24px rgba(15,23,42,.05);
    }
    .faq-item h3{
      font-size:18px;
      margin-bottom:8px;
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .faq-item h3:before{
      content:"问";
      flex:0 0 28px;
      height:28px;
      border-radius:9px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--primary);
      font-size:14px;
    }
    .faq-item p{color:var(--muted);padding-left:38px}
    .cta{
      padding:64px 0 88px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:46px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;
      box-shadow:0 28px 70px rgba(124,92,255,.26);
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .cta-box:after{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      right:-70px;
      top:-80px;
      border-radius:50%;
      background:rgba(255,255,255,.15);
    }
    .cta-box h2{font-size:34px;line-height:1.22;margin-bottom:10px;position:relative;z-index:1}
    .cta-box p{color:rgba(255,255,255,.86);position:relative;z-index:1;max-width:720px}
    .cta-box .btn{
      position:relative;
      z-index:1;
      background:#fff;
      color:var(--primary-dark);
      box-shadow:0 16px 36px rgba(0,0,0,.12);
    }
    .cta-box .btn:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(0,0,0,.18)}
    .site-footer{
      background:#0a0d19;
      color:#dfe4f7;
      padding:54px 0;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:38px;
      align-items:start;
    }
    .footer-brand h3{
      color:#fff;
      font-size:22px;
      margin-bottom:10px;
    }
    .footer-brand p{
      color:#aeb7cf;
      max-width:620px;
      font-size:14px;
    }
    .footer-nav{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-nav a{
      color:#dfe4f7;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      font-size:14px;
    }
    .footer-nav a:hover{
      color:#fff;
      background:rgba(232,79,122,.18);
      border-color:rgba(232,79,122,.28);
    }
    .footer-meta{
      color:#8791aa;
      font-size:13px;
      text-align:right;
    }
    @media (max-width:1024px){
      .navbar{align-items:flex-start;flex-direction:column;padding:16px 0;gap:14px}
      .brand{min-width:0}
      .nav-links{justify-content:flex-start;width:100%}
      .hero-inner,.split,.content-band{grid-template-columns:1fr}
      .hero-inner{padding:58px 0 66px;gap:34px}
      .hero-panel img{height:340px}
      .feature-grid,.steps{grid-template-columns:1fr 1fr}
      .scenario-grid{grid-template-columns:1fr 1fr}
      .section{padding:68px 0}
      .cta-box{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-nav{justify-content:flex-start}
      .footer-meta{text-align:left}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .brand-title{font-size:16px}
      .brand-sub{font-size:11px}
      .nav-links{gap:6px}
      .nav-links a{font-size:13px;padding:8px 10px}
      .page-hero{background-position:center}
      h1{letter-spacing:-.8px}
      .hero-desc{font-size:16px}
      .hero-panel img{height:280px}
      .panel-info{position:static;margin-top:12px}
      .section-head{display:block}
      .feature-grid,.steps,.scenario-grid,.mini-grid{grid-template-columns:1fr}
      .image-card,.image-card img{min-height:320px}
      .content-band{padding:26px;border-radius:26px}
      .content-band h2,.cta-box h2{font-size:28px}
      .cta-box{padding:32px;border-radius:26px}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .navbar{min-height:auto}
      .nav-links a{width:calc(50% - 3px);text-align:center}
      .hero-inner{padding:44px 0 54px}
      .hero-actions .btn{width:100%}
      .tag{font-size:12px}
      .feature-card,.step,.faq-item{padding:20px}
      .faq-item p{padding-left:0}
      .faq-item h3{align-items:center}
      .footer-nav a{width:calc(50% - 5px);text-align:center}
    }

/* roulang page: category2 */
:root {
      --bg: #0f1117;
      --bg-soft: #171a23;
      --panel: #1d2130;
      --panel-strong: #242a3b;
      --text: #f7f3ee;
      --muted: #b8b2aa;
      --weak: #827c76;
      --line: rgba(255,255,255,.11);
      --primary: #e84c64;
      --primary-strong: #ff6b7c;
      --accent: #f2b84b;
      --teal: #42c6b7;
      --success: #7bd88f;
      --shadow: 0 22px 70px rgba(0,0,0,.34);
      --shadow-soft: 0 14px 36px rgba(0,0,0,.22);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 12px;
      --container: 1180px;
      --ease: .22s ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(232,76,100,.18), transparent 32%),
        radial-gradient(circle at 88% 16%, rgba(66,198,183,.12), transparent 30%),
        linear-gradient(180deg, #0f1117 0%, #141721 52%, #0f1117 100%);
      line-height: 1.75;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      font: inherit;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(15,17,23,.84);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }

    .navbar {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 260px;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: #11131a;
      font-weight: 900;
      background: linear-gradient(135deg, var(--accent), var(--primary-strong));
      box-shadow: 0 10px 26px rgba(232,76,100,.28);
    }

    .brand-text {
      display: grid;
      gap: 2px;
    }

    .brand-title {
      font-size: 17px;
      font-weight: 900;
      letter-spacing: 0;
      line-height: 1.2;
    }

    .brand-sub {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.3;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      flex-wrap: wrap;
    }

    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      border: 1px solid transparent;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--text);
      background: rgba(255,255,255,.07);
      border-color: var(--line);
      outline: none;
    }

    .nav-links a.active {
      color: #16120f;
      background: linear-gradient(135deg, var(--accent), var(--primary-strong));
      font-weight: 800;
      box-shadow: 0 12px 28px rgba(232,76,100,.22);
    }

    main {
      overflow: hidden;
    }

    .hero {
      position: relative;
      padding: 86px 0 64px;
      isolation: isolate;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(15,17,23,.94) 0%, rgba(15,17,23,.74) 48%, rgba(15,17,23,.52) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 120px;
      background: linear-gradient(180deg, transparent, var(--bg));
      z-index: -1;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 44px;
      align-items: center;
    }

    .eyebrow,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 12px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 999px;
      color: var(--accent);
      background: rgba(255,255,255,.07);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before,
    .badge::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 5px rgba(123,216,143,.12);
    }

    h1 {
      max-width: 760px;
      margin-top: 20px;
      font-size: clamp(34px, 5vw, 62px);
      line-height: 1.08;
      letter-spacing: 0;
      font-weight: 950;
    }

    .hero-lead {
      max-width: 680px;
      margin-top: 22px;
      color: #ddd5cc;
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 850;
      cursor: pointer;
      user-select: none;
    }

    .btn-primary {
      color: #15110f;
      background: linear-gradient(135deg, var(--accent), var(--primary-strong));
      box-shadow: 0 16px 36px rgba(232,76,100,.26);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 20px 44px rgba(232,76,100,.34);
      outline: none;
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.16);
    }

    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      background: rgba(255,255,255,.13);
      border-color: rgba(255,255,255,.26);
      outline: none;
    }

    .hero-panel {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--panel);
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: var(--shadow);
    }

    .hero-panel img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      filter: saturate(1.06) contrast(1.04);
    }

    .panel-caption {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(15,17,23,.78);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255,255,255,.16);
    }

    .panel-caption strong {
      display: block;
      font-size: 16px;
    }

    .panel-caption span {
      color: var(--muted);
      font-size: 13px;
    }

    .section {
      padding: 76px 0;
    }

    .section.alt {
      background: rgba(255,255,255,.025);
      border-top: 1px solid rgba(255,255,255,.06);
      border-bottom: 1px solid rgba(255,255,255,.06);
    }

    .section-head {
      max-width: 780px;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--teal);
      font-weight: 900;
      font-size: 14px;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(26px, 3.4vw, 42px);
      line-height: 1.18;
      letter-spacing: 0;
      font-weight: 950;
    }

    .section-desc {
      margin-top: 12px;
      color: var(--muted);
      font-size: 16px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .card {
      position: relative;
      padding: 24px;
      border-radius: var(--radius-md);
      background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(242,184,75,.36);
      box-shadow: 0 24px 58px rgba(0,0,0,.32);
      background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.045));
    }

    .card-icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: rgba(232,76,100,.16);
      color: var(--primary-strong);
      font-weight: 950;
      margin-bottom: 18px;
    }

    .card h3 {
      font-size: 20px;
      line-height: 1.3;
      margin-bottom: 10px;
    }

    .card p {
      color: var(--muted);
      font-size: 15px;
    }

    .media-band {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 34px;
      align-items: center;
    }

    .media-frame {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.13);
      box-shadow: var(--shadow);
      background: var(--panel);
    }

    .media-frame img {
      width: 100%;
      aspect-ratio: 5 / 4;
      object-fit: cover;
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .tag {
      padding: 8px 12px;
      border-radius: 999px;
      color: #eadfd7;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.12);
      font-size: 13px;
      font-weight: 750;
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      counter-reset: step;
    }

    .step {
      min-height: 190px;
      padding: 22px;
      border-radius: var(--radius-md);
      background: var(--panel);
      border: 1px solid rgba(255,255,255,.11);
      counter-increment: step;
    }

    .step::before {
      content: "0" counter(step);
      display: inline-flex;
      margin-bottom: 18px;
      color: var(--accent);
      font-size: 28px;
      line-height: 1;
      font-weight: 950;
    }

    .step h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .step p {
      color: var(--muted);
      font-size: 15px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .scenario {
      display: grid;
      grid-template-columns: 116px 1fr;
      gap: 18px;
      align-items: center;
      padding: 16px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.11);
    }

    .scenario img {
      width: 116px;
      height: 96px;
      object-fit: cover;
      border-radius: 14px;
    }

    .scenario h3 {
      font-size: 18px;
      margin-bottom: 6px;
    }

    .scenario p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      padding: 22px 24px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.11);
    }

    .faq-item h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .faq-item p {
      color: var(--muted);
    }

    .cta {
      padding: 48px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(232,76,100,.24), rgba(66,198,183,.13)),
        var(--panel-strong);
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }

    .cta h2 {
      font-size: clamp(25px, 3vw, 38px);
      line-height: 1.2;
      margin-bottom: 10px;
    }

    .cta p {
      color: #ded7cf;
      max-width: 720px;
    }

    .site-footer {
      padding: 42px 0;
      background: #0b0d12;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 38px;
      align-items: start;
    }

    .footer-brand h3 {
      font-size: 22px;
      margin-bottom: 10px;
    }

    .footer-brand p,
    .footer-meta {
      color: var(--muted);
      font-size: 14px;
    }

    .footer-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-nav a {
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.08);
      font-size: 14px;
    }

    .footer-nav a:hover,
    .footer-nav a:focus-visible {
      color: var(--text);
      border-color: rgba(242,184,75,.38);
      outline: none;
    }

    .footer-grid > div:last-child {
      text-align: right;
    }

    @media (max-width: 1024px) {
      .navbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 0;
        gap: 14px;
      }

      .brand {
        min-width: 0;
      }

      .nav-links {
        justify-content: flex-start;
      }

      .hero-layout,
      .media-band,
      .cta {
        grid-template-columns: 1fr;
      }

      .feature-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .steps {
        grid-template-columns: repeat(2, 1fr);
      }

      .cta {
        padding: 36px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .hero {
        padding: 56px 0 44px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .panel-caption {
        position: static;
        border-radius: 0;
      }

      .feature-grid,
      .scenario-grid,
      .steps,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .scenario {
        grid-template-columns: 92px 1fr;
      }

      .scenario img {
        width: 92px;
        height: 82px;
      }

      .footer-grid > div:last-child,
      .footer-nav {
        text-align: left;
        justify-content: flex-start;
      }

      .section {
        padding: 58px 0;
      }
    }

    @media (max-width: 520px) {
      .brand-sub {
        display: none;
      }

      .brand-title {
        font-size: 15px;
      }

      .nav-links {
        display: grid;
        grid-template-columns: 1fr 1fr;
        width: 100%;
      }

      .nav-links a {
        text-align: center;
        padding: 10px 8px;
        font-size: 13px;
      }

      h1 {
        font-size: 34px;
      }

      .card,
      .faq-item,
      .step {
        padding: 20px;
      }

      .scenario {
        grid-template-columns: 1fr;
      }

      .scenario img {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
      }

      .cta {
        padding: 26px;
      }
    }

/* roulang page: category3 */
:root{
      --bg:#0b0f18;
      --bg-soft:#111827;
      --panel:#151c2b;
      --panel-2:#1b2436;
      --text:#f7f8fb;
      --muted:#aeb8cc;
      --muted-2:#7f8aa3;
      --line:rgba(255,255,255,.11);
      --primary:#ff3d6e;
      --primary-2:#ff7a45;
      --accent:#8b5cf6;
      --cyan:#4dd5ff;
      --success:#38d39f;
      --warning:#ffd166;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow:0 22px 70px rgba(0,0,0,.36);
      --shadow-soft:0 14px 38px rgba(0,0,0,.22);
      --container:1180px;
      --header-h:78px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(circle at 16% 3%, rgba(255,61,110,.24), transparent 34%),
        radial-gradient(circle at 86% 10%, rgba(139,92,246,.20), transparent 30%),
        linear-gradient(180deg,#0b0f18 0%,#101624 48%,#0b0f18 100%);
      color:var(--text);
      line-height:1.72;
      min-height:100vh;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(255,61,110,.35);color:#fff}

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      min-height:var(--header-h);
      background:rgba(11,15,24,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .navbar{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:280px;
      transition:var(--ease);
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 30px rgba(255,61,110,.28);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18}
    .brand-title{font-size:18px;font-weight:900;letter-spacing:.2px}
    .brand-sub{font-size:12px;color:var(--muted-2);margin-top:3px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav-links a{
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid transparent;
      transition:var(--ease);
    }
    .nav-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.10);
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,61,110,.92),rgba(139,92,246,.82));
      box-shadow:0 12px 28px rgba(255,61,110,.22);
    }
    .nav-links a:focus-visible,
    .btn:focus-visible,
    .filter-pill:focus-visible,
    details:focus-within{
      outline:3px solid rgba(77,213,255,.38);
      outline-offset:3px;
    }

    main{position:relative}
    .section{padding:92px 0}
    .section-tight{padding:64px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      color:#ffd8e3;
      background:rgba(255,61,110,.12);
      font-weight:800;
      font-size:13px;
      margin-bottom:14px;
    }
    .section-kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(255,61,110,.12);
    }
    h1,h2,h3{line-height:1.16;letter-spacing:-.02em}
    h1{font-size:clamp(38px,6vw,72px);font-weight:950}
    h2{font-size:clamp(28px,3.3vw,44px);font-weight:920}
    h3{font-size:22px;font-weight:880}
    p{color:var(--muted)}
    .lead{font-size:18px;color:#d7deed;max-width:780px}
    .muted{color:var(--muted-2)}
    .highlight{color:#fff;background:linear-gradient(90deg,var(--primary),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}

    .btn-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.13);
      color:#fff;
      font-weight:850;
      cursor:pointer;
      transition:var(--ease);
      background:rgba(255,255,255,.06);
      box-shadow:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      border-color:transparent;
      box-shadow:0 16px 34px rgba(255,61,110,.24);
    }
    .btn-secondary{
      background:rgba(255,255,255,.075);
      border-color:rgba(255,255,255,.14);
    }
    .btn:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 40px rgba(0,0,0,.28);
    }
    .btn-primary:hover{box-shadow:0 20px 42px rgba(255,61,110,.32)}
    .btn:active{transform:translateY(0) scale(.99)}

    .category-hero{
      position:relative;
      min-height:610px;
      display:grid;
      align-items:center;
      overflow:hidden;
      border-bottom:1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(11,15,24,.96) 0%, rgba(11,15,24,.72) 48%, rgba(11,15,24,.42) 100%),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }
    .category-hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:180px;
      background:linear-gradient(180deg,transparent,var(--bg));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:2;
      padding:92px 0;
      max-width:920px;
    }
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:9px 14px;
      border:1px solid rgba(255,255,255,.15);
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#fff;
      font-size:14px;
      font-weight:800;
      margin-bottom:22px;
      backdrop-filter:blur(10px);
    }
    .hero-badge span{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 7px rgba(56,211,159,.14);
    }
    .hero-inner .lead{margin:24px 0 30px}
    .hero-note{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:26px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:#dfe6f6;
      font-size:13px;
      font-weight:760;
    }

    .notice-strip{
      margin-top:-34px;
      position:relative;
      z-index:5;
    }
    .notice-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:20px;
      align-items:center;
      padding:22px 24px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius);
      background:linear-gradient(135deg,rgba(27,36,54,.96),rgba(21,28,43,.88));
      box-shadow:var(--shadow-soft);
    }
    .notice-card strong{font-size:17px;color:#fff}
    .notice-card p{margin-top:4px;font-size:14px}

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .feature-card{
      position:relative;
      overflow:hidden;
      min-height:250px;
      padding:26px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:var(--radius);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .feature-card::before{
      content:"";
      position:absolute;
      top:-70px;
      right:-70px;
      width:150px;
      height:150px;
      border-radius:50%;
      background:rgba(255,61,110,.18);
      filter:blur(4px);
    }
    .feature-card:hover{
      transform:translateY(-5px);
      border-color:rgba(255,61,110,.32);
      box-shadow:var(--shadow);
    }
    .icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      margin-bottom:22px;
      color:#fff;
      font-size:22px;
      background:linear-gradient(135deg,rgba(255,61,110,.95),rgba(139,92,246,.85));
    }
    .feature-card h3{margin-bottom:12px}
    .feature-card p{font-size:15px}
    .metric-line{
      display:flex;
      gap:14px;
      margin-top:20px;
      flex-wrap:wrap;
    }
    .metric-line span{
      padding:7px 10px;
      border-radius:999px;
      color:#fff;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.09);
      font-size:12px;
      font-weight:800;
    }

    .showcase{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:32px;
      align-items:center;
    }
    .showcase-media{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      background:#111827;
    }
    .showcase-media img{
      width:100%;
      min-height:460px;
      object-fit:cover;
      filter:saturate(1.08) contrast(1.04);
    }
    .media-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      padding:18px;
      border-radius:18px;
      background:rgba(11,15,24,.78);
      backdrop-filter:blur(14px);
      border:1px solid rgba(255,255,255,.14);
    }
    .media-caption b{display:block;color:#fff;margin-bottom:5px}
    .media-caption span{color:var(--muted);font-size:14px}
    .content-panel{
      padding:34px;
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.10);
    }
    .check-list{
      list-style:none;
      display:grid;
      gap:14px;
      margin-top:24px;
    }
    .check-list li{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.08);
      color:#dfe6f6;
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 24px;
      height:24px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#081018;
      background:var(--success);
      font-weight:900;
      margin-top:2px;
    }

    .scene-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .scene-card{
      min-height:218px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:22px;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.055);
      transition:var(--ease);
    }
    .scene-card:hover{
      background:rgba(255,255,255,.085);
      transform:translateY(-4px);
      border-color:rgba(77,213,255,.22);
    }
    .scene-card .num{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:rgba(77,213,255,.13);
      color:#aeeeff;
      font-weight:900;
      margin-bottom:20px;
    }
    .scene-card h3{font-size:19px;margin-bottom:10px}
    .scene-card p{font-size:14px}

    .process-wrap{
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(135deg,rgba(139,92,246,.13),transparent 38%),
        rgba(255,255,255,.045);
      padding:30px;
      overflow:hidden;
    }
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .process-item{
      position:relative;
      padding:24px 20px;
      border-radius:20px;
      background:rgba(11,15,24,.58);
      border:1px solid rgba(255,255,255,.09);
    }
    .process-item::before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;
      font-weight:950;
      margin-bottom:18px;
    }
    .process-item h3{font-size:18px;margin-bottom:10px}
    .process-item p{font-size:14px}

    .quality-band{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:42px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(90deg,rgba(11,15,24,.93),rgba(11,15,24,.72)),
        url('/assets/images/coverpic/cover-9.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .quality-band h2{max-width:760px}
    .quality-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:30px;
    }
    .quality-item{
      padding:20px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      backdrop-filter:blur(10px);
    }
    .quality-item b{
      display:block;
      font-size:26px;
      color:#fff;
      margin-bottom:6px;
    }
    .quality-item span{color:var(--muted);font-size:14px}

    .faq-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:26px;
      align-items:start;
    }
    .faq-aside{
      position:sticky;
      top:102px;
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
    }
    .faq-list{display:grid;gap:14px}
    details{
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:var(--ease);
    }
    details[open]{
      background:rgba(255,255,255,.085);
      border-color:rgba(255,61,110,.26);
    }
    summary{
      cursor:pointer;
      list-style:none;
      padding:19px 20px;
      color:#fff;
      font-weight:850;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.09);
      color:#fff;
      flex:0 0 28px;
      transition:var(--ease);
    }
    details[open] summary::after{
      content:"−";
      background:rgba(255,61,110,.25);
    }
    details p{
      padding:0 20px 20px;
      font-size:15px;
    }

    .cta-section{padding:30px 0 96px}
    .cta-card{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      padding:42px;
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 90% 10%,rgba(255,122,69,.28),transparent 30%),
        linear-gradient(135deg,rgba(255,61,110,.22),rgba(139,92,246,.18)),
        rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.13);
      box-shadow:var(--shadow);
    }
    .cta-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(255,255,255,.06),transparent 38%);
      pointer-events:none;
    }
    .cta-card > *{position:relative;z-index:1}
    .cta-card p{margin-top:12px;max-width:720px}

    .site-footer{
      border-top:1px solid var(--line);
      background:#080c14;
      padding:46px 0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr 1.1fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand h3{font-size:22px;margin-bottom:10px}
    .footer-brand p{max-width:560px;font-size:14px}
    .footer-nav{
      display:flex;
      justify-content:flex-end;
      gap:10px;
      flex-wrap:wrap;
    }
    .footer-nav a{
      padding:9px 12px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      font-size:14px;
      transition:var(--ease);
    }
    .footer-nav a:hover{
      color:#fff;
      background:rgba(255,61,110,.15);
      border-color:rgba(255,61,110,.28);
    }
    .footer-meta{
      text-align:right;
      color:var(--muted-2);
      font-size:13px;
    }

    @media (max-width:1024px){
      .navbar{align-items:flex-start;flex-direction:column;padding:16px 0}
      .brand{min-width:0}
      .nav-links{justify-content:flex-start;width:100%}
      .category-hero{min-height:560px}
      .feature-grid,.quality-grid{grid-template-columns:repeat(2,1fr)}
      .showcase,.faq-grid{grid-template-columns:1fr}
      .faq-aside{position:relative;top:auto}
      .scene-grid,.process-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr}
      .footer-nav{justify-content:flex-start}
      .footer-meta{text-align:left}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:68px 0}
      .section-head{display:block}
      .lead{font-size:16px}
      .nav-links{
        display:grid;
        grid-template-columns:repeat(2,minmax(0,1fr));
        gap:8px;
      }
      .nav-links a{text-align:center;padding:10px 9px;font-size:13px}
      .category-hero{
        min-height:auto;
        background-position:center;
      }
      .hero-inner{padding:74px 0 92px}
      .notice-card,.cta-card{grid-template-columns:1fr}
      .feature-grid,.scene-grid,.process-grid,.quality-grid{grid-template-columns:1fr}
      .showcase-media img{min-height:330px}
      .content-panel,.quality-band,.cta-card{padding:26px}
      .brand-sub{display:none}
    }
    @media (max-width:520px){
      .brand-title{font-size:16px}
      .brand-mark{width:40px;height:40px;border-radius:13px}
      h1{font-size:34px}
      h2{font-size:27px}
      .btn{width:100%}
      .btn-row{width:100%}
      .hero-note .tag{width:100%;justify-content:center}
      .nav-links{grid-template-columns:1fr}
      .notice-strip{margin-top:-22px}
      .footer-nav{display:grid;grid-template-columns:1fr;width:100%}
      .footer-nav a{text-align:center}
    }