/* roulang page: index */
:root{
      --color-ink:#171321;
      --color-ink-2:#22202A;
      --color-coral:#FF6B35;
      --color-coral-2:#FF7043;
      --color-purple:#7C3AED;
      --color-purple-2:#8B5CF6;
      --color-mint:#2DD4BF;
      --color-cream:#FFF8F1;
      --color-warm:#F7EFE8;
      --color-lavender:#F3F0FF;
      --color-muted:#6F6878;
      --border:rgba(23,19,33,.10);
      --border-strong:rgba(23,19,33,.16);
      --shadow-soft:0 18px 45px rgba(92,46,18,.10);
      --shadow-hover:0 24px 70px rgba(92,46,18,.16);
      --radius-lg:36px;
      --radius-md:24px;
      --radius-sm:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--color-ink);
      background:
        radial-gradient(circle at 18% 8%, rgba(255,107,53,.18), transparent 28%),
        radial-gradient(circle at 88% 20%, rgba(124,58,237,.16), transparent 30%),
        linear-gradient(135deg,#FFF8F1 0%,#F7EFE8 45%,#F3F0FF 100%);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(255,107,53,.24)}
    .site-shell{min-height:100vh}
    .side-nav{
      position:fixed;
      inset:18px auto 18px 18px;
      width:108px;
      background:linear-gradient(180deg,#171321 0%,#211A31 58%,#171321 100%);
      border:1px solid rgba(255,255,255,.08);
      border-radius:30px;
      z-index:50;
      box-shadow:0 24px 60px rgba(23,19,33,.22);
      display:flex;
      flex-direction:column;
      align-items:center;
      padding:14px 10px;
    }
    .brand-mark{
      width:78px;
      min-height:78px;
      border-radius:24px;
      background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      color:#fff;
      box-shadow:0 16px 36px rgba(255,107,53,.25);
      letter-spacing:-.02em;
    }
    .brand-mark strong{font-size:18px;line-height:1.05;font-weight:800}
    .brand-mark span{font-size:11px;opacity:.9;margin-top:3px}
    .side-links{width:100%;display:flex;flex-direction:column;gap:10px;margin-top:28px}
    .side-link{
      position:relative;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      color:rgba(255,255,255,.72);
      border-radius:20px;
      min-height:64px;
      font-size:13px;
      font-weight:650;
      transition:.25s ease;
      outline:none;
    }
    .side-link .nav-icon{
      width:28px;height:28px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(255,255,255,.08);
      color:#fff;
      transition:.25s ease;
    }
    .side-link:hover,.side-link:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.08);
      transform:translateY(-2px);
    }
    .side-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,107,53,.92),rgba(124,58,237,.92));
      box-shadow:0 12px 30px rgba(124,58,237,.22);
    }
    .side-link.active:before{
      content:"";
      position:absolute;
      left:-10px;
      width:4px;height:34px;
      border-radius:999px;
      background:var(--color-mint);
    }
    .status-pill{
      margin-top:auto;
      width:86px;
      border-radius:999px;
      color:rgba(255,255,255,.8);
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.08);
      padding:8px 8px;
      font-size:11px;
      text-align:center;
      line-height:1.35;
    }
    .status-pill i{
      display:inline-block;
      width:7px;height:7px;
      border-radius:50%;
      background:var(--color-mint);
      margin-right:4px;
      box-shadow:0 0 0 4px rgba(45,212,191,.14);
    }
    .mobile-nav{
      display:none;
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:blur(18px);
      background:rgba(255,248,241,.86);
      border-bottom:1px solid var(--border);
    }
    .main-wrap{margin-left:126px}
    .page-container{
      width:min(1220px,calc(100vw - 174px));
      margin:0 auto;
      padding:34px 0 0;
    }
    .section{padding:52px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:26px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid var(--border);
      color:var(--color-purple);
      font-size:13px;
      font-weight:750;
      box-shadow:0 10px 24px rgba(92,46,18,.05);
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--color-coral),var(--color-mint));
    }
    h1,h2,h3{letter-spacing:-.03em;color:var(--color-ink);margin:0}
    p{margin:0;color:var(--color-muted)}
    .hero{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:44px;
      min-height:670px;
      background:
        linear-gradient(110deg,rgba(255,248,241,.96) 0%,rgba(255,248,241,.88) 46%,rgba(243,240,255,.55) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.72);
      box-shadow:var(--shadow-soft);
    }
    .hero:after{
      content:"28";
      position:absolute;
      right:28px;
      bottom:-78px;
      font-size:240px;
      line-height:1;
      font-weight:900;
      color:rgba(124,58,237,.08);
      letter-spacing:-.08em;
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
      gap:36px;
      align-items:center;
    }
    .hero h1{
      margin-top:20px;
      max-width:720px;
      font-size:clamp(38px,5.2vw,62px);
      line-height:1.08;
      font-weight:850;
    }
    .gradient-text{
      background:linear-gradient(135deg,var(--color-coral) 12%,var(--color-purple) 72%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-desc{
      margin-top:20px;
      max-width:650px;
      font-size:17px;
      line-height:1.85;
      color:#514A5D;
    }
    .btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:750;
      transition:.25s ease;
      border:1px solid transparent;
      outline:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
      box-shadow:0 16px 35px rgba(255,107,53,.24);
    }
    .btn-primary:hover,.btn-primary:focus-visible{transform:translateY(-3px);box-shadow:0 22px 46px rgba(124,58,237,.28)}
    .btn-secondary{
      color:var(--color-ink);
      background:rgba(255,255,255,.76);
      border-color:var(--border);
    }
    .btn-secondary:hover,.btn-secondary:focus-visible{transform:translateY(-3px);border-color:rgba(255,107,53,.38);box-shadow:var(--shadow-soft)}
    .mini-stats{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:34px;
      max-width:700px;
    }
    .stat-chip{
      padding:14px;
      border-radius:22px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(23,19,33,.08);
      box-shadow:0 10px 30px rgba(92,46,18,.06);
    }
    .stat-chip strong{display:block;font-size:24px;line-height:1.1;color:var(--color-ink);font-weight:850}
    .stat-chip span{display:block;margin-top:5px;font-size:13px;color:var(--color-muted)}
    .visual-card{
      position:relative;
      padding:18px;
      border-radius:34px;
      background:linear-gradient(145deg,rgba(23,19,33,.96),rgba(50,35,74,.94));
      box-shadow:0 28px 80px rgba(23,19,33,.23);
      overflow:hidden;
      min-height:500px;
      border:1px solid rgba(255,255,255,.12);
    }
    .visual-card:before{
      content:"";
      position:absolute;
      inset:-80px -60px auto auto;
      width:230px;height:230px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,107,53,.55),transparent 64%);
    }
    .visual-image{
      position:relative;
      height:250px;
      border-radius:26px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
    }
    .visual-image img{width:100%;height:100%;object-fit:cover}
    .visual-image:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(23,19,33,.08),rgba(23,19,33,.62));
    }
    .float-badge{
      position:absolute;
      z-index:3;
      right:14px;
      bottom:14px;
      padding:10px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.88);
      color:var(--color-ink);
      font-weight:800;
      font-size:13px;
      backdrop-filter:blur(10px);
    }
    .visual-panel{
      position:relative;
      z-index:2;
      margin-top:18px;
      display:grid;
      gap:12px;
    }
    .visual-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:15px;
      border-radius:22px;
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
    }
    .visual-row span{color:rgba(255,255,255,.72);font-size:13px}
    .progress{
      width:92px;height:8px;border-radius:999px;
      background:rgba(255,255,255,.12);
      overflow:hidden;
    }
    .progress i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--color-coral),var(--color-mint))}
    .card{
      position:relative;
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.72);
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
      transition:.25s ease;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-5px);
      border-color:rgba(255,107,53,.30);
      box-shadow:var(--shadow-hover);
    }
    .service-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:18px;
    }
    .service-main{
      padding:30px;
      min-height:360px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.86),rgba(255,248,241,.78)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    }
    .service-main:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(90deg,rgba(255,248,241,.96),rgba(255,248,241,.72) 54%,rgba(255,248,241,.28));
      pointer-events:none;
    }
    .service-main > *{position:relative;z-index:2}
    .service-stack{display:grid;grid-template-columns:1fr;gap:18px}
    .service-small{padding:22px}
    .num-icon{
      width:44px;height:44px;border-radius:17px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:850;
      background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
      box-shadow:0 12px 28px rgba(124,58,237,.20);
    }
    .soft-link{
      display:inline-flex;align-items:center;gap:6px;
      margin-top:18px;
      color:var(--color-purple);
      font-weight:750;
    }
    .soft-link:hover{color:var(--color-coral)}
    .category-card{
      display:grid;
      grid-template-columns:.78fr 1fr;
      gap:22px;
      padding:18px;
      align-items:center;
    }
    .category-card .thumb{
      aspect-ratio:16/11;
      border-radius:24px;
      overflow:hidden;
      position:relative;
    }
    .category-card .thumb img{width:100%;height:100%;object-fit:cover}
    .category-card .thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,107,53,.20),rgba(124,58,237,.24))}
    .data-band{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .data-card{
      padding:22px;
      border-radius:26px;
      background:linear-gradient(180deg,rgba(255,255,255,.82),rgba(255,255,255,.56));
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .data-card strong{
      display:block;
      font-size:38px;
      line-height:1;
      font-weight:900;
      color:var(--color-coral);
      letter-spacing:-.04em;
    }
    .data-card em{font-style:normal;color:var(--color-purple);font-weight:800}
    .scene-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .scene-card{
      padding:22px;
      min-height:240px;
    }
    .scene-card img{
      width:100%;
      height:150px;
      object-fit:cover;
      border-radius:20px;
      margin-bottom:18px;
    }
    .tag-list{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(124,58,237,.08);
      color:var(--color-purple);
      border:1px solid rgba(124,58,237,.12);
      font-size:13px;
      font-weight:700;
    }
    .tag.mint{background:rgba(45,212,191,.12);color:#0F766E;border-color:rgba(45,212,191,.18)}
    .roadmap{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .roadmap:before{
      content:"";
      position:absolute;
      left:8%;right:8%;top:44px;
      height:2px;
      background:linear-gradient(90deg,var(--color-coral),var(--color-purple),var(--color-mint));
      opacity:.45;
    }
    .step{
      position:relative;
      padding:22px;
      z-index:2;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .faq-item{
      padding:22px;
    }
    .faq-item h3{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:18px;
      font-weight:800;
      margin-bottom:8px;
    }
    .faq-item h3:before{
      content:"+";
      width:26px;height:26px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,107,53,.12);
      color:var(--color-coral);
      flex:none;
    }
    .cta{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:34px;
      color:#fff;
      background:
        radial-gradient(circle at 18% 20%,rgba(45,212,191,.35),transparent 30%),
        linear-gradient(135deg,#FF6B35 0%,#7C3AED 70%,#171321 100%);
      box-shadow:0 26px 80px rgba(124,58,237,.24);
    }
    .cta h2,.cta p{color:#fff}
    .cta p{opacity:.86}
    .contact-form{
      display:grid;
      grid-template-columns:1fr 1fr auto;
      gap:12px;
      margin-top:22px;
    }
    .sr-only{
      position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
    }
    .form-input{
      width:100%;
      min-height:50px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.25);
      background:rgba(255,255,255,.16);
      color:#fff;
      padding:0 16px;
      outline:none;
      transition:.2s ease;
    }
    .form-input::placeholder{color:rgba(255,255,255,.72)}
    .form-input:focus{border-color:rgba(45,212,191,.85);box-shadow:0 0 0 4px rgba(45,212,191,.18)}
    .btn-light{
      background:#fff;color:var(--color-ink);
      box-shadow:0 14px 34px rgba(23,19,33,.16);
    }
    .btn-light:hover,.btn-light:focus-visible{transform:translateY(-3px)}
    .site-footer{
      margin-top:54px;
      background:#171321;
      color:rgba(255,255,255,.76);
      border-radius:34px 34px 0 0;
      padding:38px;
      overflow:hidden;
      position:relative;
    }
    .site-footer:before{
      content:"";
      position:absolute;right:-90px;top:-100px;
      width:240px;height:240px;border-radius:50%;
      background:radial-gradient(circle,rgba(255,107,53,.25),transparent 66%);
    }
    .footer-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:26px;
    }
    .footer-brand{color:#fff;font-size:24px;font-weight:850;letter-spacing:-.03em}
    .footer-title{color:#fff;font-weight:800;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a:hover{color:var(--color-mint)}
    .copyright{
      position:relative;
      margin-top:26px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.10);
      font-size:13px;
      color:rgba(255,255,255,.58);
    }
    @media (max-width:1024px){
      .side-nav{display:none}
      .mobile-nav{display:block}
      .main-wrap{margin-left:0}
      .page-container{width:min(100% - 40px,1180px);padding-top:22px}
      .hero{padding:28px;min-height:auto}
      .hero-grid{grid-template-columns:1fr}
      .visual-card{min-height:auto}
      .service-grid,.roadmap{grid-template-columns:1fr 1fr}
      .data-band{grid-template-columns:repeat(2,1fr)}
      .roadmap:before{display:none}
      .contact-form{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .mobile-nav-inner{padding:12px 18px}
      .mobile-links{overflow-x:auto;white-space:nowrap}
      .section{padding:38px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .hero{border-radius:28px;padding:22px}
      .hero h1{font-size:36px}
      .hero-desc{font-size:15.5px}
      .btn-row{display:grid;grid-template-columns:1fr}
      .mini-stats,.service-grid,.data-band,.scene-grid,.roadmap,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .category-card{grid-template-columns:1fr}
      .visual-image{height:220px}
      .site-footer{padding:28px 22px}
    }
    @media (max-width:520px){
      .page-container{width:min(100% - 28px,1180px)}
      .hero h1{font-size:32px}
      .hero{padding:18px}
      .visual-card{padding:14px;border-radius:26px}
      .data-card strong{font-size:32px}
      .cta{padding:24px 18px;border-radius:28px}
    }

/* roulang page: category1 */
:root{
      --color-ink:#171321;
      --color-coal:#22202A;
      --color-coral:#FF6B35;
      --color-orange:#FF7043;
      --color-purple:#7C3AED;
      --color-violet:#8B5CF6;
      --color-mint:#2DD4BF;
      --color-teal:#14B8A6;
      --color-cream:#FFF8F1;
      --color-warm:#F7EFE8;
      --color-lavender:#F3F0FF;
      --color-muted:#6F687A;
      --border-soft:rgba(23,19,33,.10);
      --border-light:rgba(255,255,255,.22);
      --shadow-soft:0 18px 45px rgba(92,46,18,.10);
      --shadow-strong:0 28px 70px rgba(92,46,18,.18);
      --radius-lg:36px;
      --radius-md:24px;
      --radius-sm:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--color-ink);
      background:
        radial-gradient(circle at 72% 8%, rgba(124,58,237,.16), transparent 34%),
        radial-gradient(circle at 18% 22%, rgba(255,107,53,.18), transparent 32%),
        linear-gradient(135deg,#FFF8F1 0%,#F7EFE8 46%,#F3F0FF 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(255,107,53,.22)}
    :focus-visible{outline:3px solid rgba(45,212,191,.58);outline-offset:3px}
    .page-shell{min-height:100vh}
    .content-wrap{
      width:min(1180px,calc(100% - 48px));
      margin:0 auto;
      padding:36px 0 0;
    }
    .side-nav{
      position:fixed;
      inset:18px auto 18px 18px;
      width:104px;
      z-index:50;
      border-radius:30px;
      padding:14px 12px;
      background:linear-gradient(180deg,#171321 0%,#211A31 72%,#171321 100%);
      box-shadow:0 22px 56px rgba(23,19,33,.22);
      color:#FFF8F1;
      display:flex;
      flex-direction:column;
      align-items:center;
      gap:18px;
      border:1px solid rgba(255,255,255,.10);
    }
    .brand-mark{
      width:76px;
      min-height:84px;
      border-radius:24px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:2px;
      text-align:center;
      background:linear-gradient(145deg,var(--color-coral),var(--color-purple));
      box-shadow:0 16px 34px rgba(255,107,53,.26);
      transition:transform .25s ease, filter .25s ease;
    }
    .brand-mark:hover{transform:translateY(-3px);filter:saturate(1.08)}
    .brand-mark strong{font-size:15px;line-height:1.15;letter-spacing:.02em}
    .brand-mark span{font-size:11px;font-weight:700;opacity:.88}
    .side-links{width:100%;display:flex;flex-direction:column;gap:10px}
    .side-link{
      min-height:72px;
      border-radius:22px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      color:rgba(255,248,241,.72);
      font-size:12px;
      font-weight:700;
      transition:all .22s ease;
      position:relative;
    }
    .side-link .nav-icon{font-size:19px;line-height:1}
    .side-link:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      transform:translateY(-2px);
    }
    .side-link.active{
      color:#fff;
      background:linear-gradient(145deg,rgba(255,107,53,.98),rgba(124,58,237,.92));
      box-shadow:0 14px 28px rgba(124,58,237,.24);
    }
    .side-link.active::before{
      content:"";
      position:absolute;
      left:-12px;
      top:22px;
      width:4px;
      height:28px;
      border-radius:999px;
      background:var(--color-mint);
    }
    .status-pill{
      margin-top:auto;
      width:78px;
      border-radius:20px;
      padding:10px 8px;
      text-align:center;
      color:rgba(255,248,241,.82);
      font-size:11px;
      line-height:1.55;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
    }
    .status-pill i{
      display:inline-block;
      width:8px;
      height:8px;
      border-radius:50%;
      margin-right:5px;
      background:var(--color-mint);
      box-shadow:0 0 0 5px rgba(45,212,191,.13);
    }
    .main-stage{margin-left:128px}
    .mobile-topbar{display:none}
    .section{padding:72px 0}
    .section-tight{padding:46px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      color:var(--color-purple);
      font-size:13px;
      font-weight:800;
      background:rgba(124,58,237,.09);
      border:1px solid rgba(124,58,237,.14);
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--color-coral),var(--color-mint));
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:46px;
      min-height:440px;
      background:
        linear-gradient(115deg,rgba(23,19,33,.90),rgba(124,58,237,.70) 48%,rgba(255,107,53,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(255,255,255,.16);
    }
    .hero-card::after{
      content:"28";
      position:absolute;
      right:34px;
      top:10px;
      font-size:190px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.08em;
      color:rgba(255,255,255,.08);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.74);
      font-size:14px;
      font-weight:600;
      margin-bottom:24px;
    }
    .breadcrumb a:hover{color:var(--color-mint)}
    .hero-title{
      position:relative;
      z-index:1;
      max-width:770px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.1;
      letter-spacing:-.045em;
      font-weight:900;
    }
    .hero-desc{
      position:relative;
      z-index:1;
      max-width:720px;
      margin-top:22px;
      color:rgba(255,255,255,.86);
      font-size:17px;
      line-height:1.85;
    }
    .hero-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:800;
      transition:transform .24s ease, box-shadow .24s ease, background .24s ease, color .24s ease;
      border:1px solid transparent;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
      box-shadow:0 16px 34px rgba(255,107,53,.24);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 22px 44px rgba(124,58,237,.26)}
    .btn-ghost{
      color:#fff;
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.24);
      backdrop-filter:blur(8px);
    }
    .btn-ghost:hover{transform:translateY(-3px);background:rgba(255,255,255,.18)}
    .btn-light{
      color:var(--color-ink);
      background:#fff;
      border-color:rgba(23,19,33,.08);
      box-shadow:0 12px 26px rgba(92,46,18,.08);
    }
    .btn-light:hover{transform:translateY(-3px);color:var(--color-coral);box-shadow:var(--shadow-soft)}
    .hero-badges{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:12px;
      margin-top:34px;
      max-width:820px;
    }
    .mini-stat{
      border-radius:20px;
      padding:14px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(10px);
    }
    .mini-stat strong{display:block;font-size:22px;line-height:1;font-weight:900;color:#fff}
    .mini-stat span{display:block;margin-top:6px;font-size:12px;color:rgba(255,255,255,.76)}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-head h2{
      margin:12px 0 0;
      font-size:clamp(28px,3.2vw,38px);
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.035em;
    }
    .section-head p{max-width:620px;color:var(--color-muted);font-size:16px;margin-top:12px}
    .tag-list{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,107,53,.10);
      color:#B64218;
      border:1px solid rgba(255,107,53,.16);
      font-size:13px;
      font-weight:800;
    }
    .tag.mint{background:rgba(45,212,191,.12);color:#08786D;border-color:rgba(45,212,191,.20)}
    .tag.purple{background:rgba(124,58,237,.10);color:#5B25C9;border-color:rgba(124,58,237,.18)}
    .filter-bar{
      position:sticky;
      top:18px;
      z-index:10;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-top:-22px;
      padding:16px;
      border-radius:26px;
      background:rgba(255,248,241,.78);
      backdrop-filter:blur(16px);
      border:1px solid rgba(23,19,33,.08);
      box-shadow:0 14px 34px rgba(92,46,18,.08);
    }
    .filter-tabs{display:flex;gap:10px;flex-wrap:wrap}
    .filter-tab{
      padding:10px 14px;
      border-radius:999px;
      color:var(--color-muted);
      background:#fff;
      border:1px solid rgba(23,19,33,.08);
      font-size:14px;
      font-weight:800;
      transition:all .22s ease;
    }
    .filter-tab:hover,.filter-tab.active{
      color:#fff;
      background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
      border-color:transparent;
      transform:translateY(-2px);
      box-shadow:0 12px 24px rgba(124,58,237,.16);
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:8px;
      min-width:260px;
      padding:10px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(23,19,33,.08);
      color:var(--color-muted);
      font-size:14px;
      font-weight:700;
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:24px;
      align-items:start;
    }
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:22px;
    }
    .topic-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.76);
      border:1px solid rgba(23,19,33,.08);
      box-shadow:var(--shadow-soft);
      transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .topic-card:hover{
      transform:translateY(-5px);
      border-color:rgba(255,107,53,.28);
      box-shadow:var(--shadow-strong);
    }
    .topic-card.featured{grid-column:span 2;display:grid;grid-template-columns:1.05fr .95fr;min-height:320px}
    .topic-media{position:relative;overflow:hidden;background:#efe5dd}
    .topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
    .topic-card:hover .topic-media img{transform:scale(1.045)}
    .topic-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(23,19,33,0) 35%,rgba(23,19,33,.52));
    }
    .topic-content{padding:24px}
    .topic-card.featured .topic-content{padding:32px}
    .meta-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:13px}
    .meta{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      background:rgba(124,58,237,.10);
      color:#5B25C9;
    }
    .meta.coral{background:rgba(255,107,53,.12);color:#B64218}
    .meta.mint{background:rgba(45,212,191,.13);color:#08786D}
    .topic-content h3{font-size:22px;line-height:1.32;font-weight:900;letter-spacing:-.02em;margin:0}
    .topic-card.featured h3{font-size:30px}
    .topic-content p{margin-top:12px;color:var(--color-muted);font-size:15px;line-height:1.82}
    .read-link{
      margin-top:18px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--color-coral);
      font-weight:900;
      transition:gap .2s ease,color .2s ease;
    }
    .read-link:hover{gap:12px;color:var(--color-purple)}
    .guide-panel{
      position:sticky;
      top:100px;
      display:grid;
      gap:18px;
    }
    .panel-card{
      border-radius:var(--radius-md);
      padding:22px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(23,19,33,.08);
      box-shadow:var(--shadow-soft);
    }
    .panel-card.dark{
      color:#fff;
      background:
        linear-gradient(145deg,rgba(23,19,33,.95),rgba(124,58,237,.78)),
        url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
      border-color:rgba(255,255,255,.16);
    }
    .panel-title{font-size:18px;font-weight:900;margin-bottom:12px}
    .rank-list{display:grid;gap:12px}
    .rank-item{
      display:grid;
      grid-template-columns:34px 1fr;
      gap:10px;
      align-items:start;
      padding:12px;
      border-radius:18px;
      background:rgba(23,19,33,.04);
      transition:background .22s ease,transform .22s ease;
    }
    .rank-item:hover{background:rgba(255,107,53,.09);transform:translateX(3px)}
    .rank-num{
      width:34px;height:34px;border-radius:13px;
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
    }
    .rank-item strong{display:block;font-size:14px;line-height:1.35}
    .rank-item span{display:block;margin-top:4px;color:var(--color-muted);font-size:12px}
    .panel-card.dark .rank-item{background:rgba(255,255,255,.10)}
    .panel-card.dark .rank-item span{color:rgba(255,255,255,.70)}
    .steps-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .step-card{
      position:relative;
      padding:24px;
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.72);
      border:1px solid rgba(23,19,33,.08);
      box-shadow:var(--shadow-soft);
      transition:transform .24s ease,border-color .24s ease;
    }
    .step-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.22)}
    .step-no{
      width:46px;height:46px;border-radius:18px;
      display:grid;place-items:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
      margin-bottom:18px;
    }
    .step-card h3{font-size:19px;font-weight:900;margin:0}
    .step-card p{margin-top:10px;color:var(--color-muted);font-size:14px;line-height:1.75}
    .feature-strip{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .feature-card{
      border-radius:var(--radius-md);
      padding:24px;
      background:#fff;
      border:1px solid rgba(23,19,33,.08);
      box-shadow:var(--shadow-soft);
    }
    .feature-card strong{display:block;font-size:28px;line-height:1;font-weight:950;color:var(--color-coral)}
    .feature-card h3{margin-top:12px;font-size:20px;font-weight:900}
    .feature-card p{margin-top:8px;color:var(--color-muted);font-size:14px}
    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .faq-item{
      border-radius:var(--radius-md);
      padding:24px;
      background:rgba(255,255,255,.74);
      border:1px solid rgba(23,19,33,.08);
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease,background .22s ease;
    }
    .faq-item:hover{transform:translateY(-4px);background:#fff}
    .faq-item h3{
      display:flex;
      align-items:flex-start;
      gap:10px;
      margin:0;
      font-size:18px;
      line-height:1.45;
      font-weight:900;
    }
    .faq-item h3::before{
      content:"+";
      flex:0 0 auto;
      width:26px;height:26px;border-radius:10px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
      font-weight:900;
      line-height:1;
    }
    .faq-item p{margin-top:12px;color:var(--color-muted);font-size:15px;line-height:1.8}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:42px;
      color:#fff;
      background:
        radial-gradient(circle at 80% 10%, rgba(45,212,191,.28), transparent 28%),
        linear-gradient(135deg,var(--color-coral),var(--color-purple));
      box-shadow:var(--shadow-strong);
    }
    .cta-band::after{
      content:"NG28";
      position:absolute;
      right:26px;
      bottom:-34px;
      font-size:100px;
      font-weight:950;
      letter-spacing:-.07em;
      color:rgba(255,255,255,.10);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 410px;
      gap:28px;
      align-items:center;
    }
    .cta-band h2{font-size:clamp(28px,3.3vw,40px);line-height:1.18;font-weight:950;letter-spacing:-.04em;margin:0}
    .cta-band p{margin-top:14px;color:rgba(255,255,255,.84);max-width:650px}
    .contact-form{
      display:grid;
      gap:12px;
      padding:18px;
      border-radius:26px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.20);
      backdrop-filter:blur(10px);
    }
    .sr-only{
      position:absolute;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      white-space:nowrap;
      border:0;
    }
    .form-input{
      width:100%;
      border:1px solid rgba(255,255,255,.20);
      border-radius:18px;
      padding:13px 15px;
      background:rgba(255,255,255,.92);
      color:var(--color-ink);
      transition:border-color .22s ease,box-shadow .22s ease;
    }
    .form-input::placeholder{color:#908798}
    .form-input:focus{
      outline:none;
      border-color:var(--color-mint);
      box-shadow:0 0 0 4px rgba(45,212,191,.22);
    }
    .site-footer{
      margin-top:70px;
      margin-left:128px;
      padding:42px;
      color:rgba(255,248,241,.78);
      background:linear-gradient(180deg,#171321,#211A31);
      border-top-left-radius:34px;
      border-top-right-radius:34px;
    }
    .footer-grid{
      width:min(1180px,calc(100% - 48px));
      margin:0 auto;
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:30px;
    }
    .footer-brand{color:#fff;font-size:24px;font-weight:950;letter-spacing:-.03em}
    .footer-title{color:#fff;font-size:15px;font-weight:900;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,248,241,.72);transition:color .2s ease,transform .2s ease}
    .footer-links a:hover{color:var(--color-mint);transform:translateX(3px)}
    .copyright{
      width:min(1180px,calc(100% - 48px));
      margin:30px auto 0;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      color:rgba(255,248,241,.56);
      font-size:13px;
    }
    @media (max-width:1024px){
      .side-nav{display:none}
      .mobile-topbar{
        position:sticky;
        top:0;
        z-index:60;
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:14px;
        padding:12px 18px;
        background:rgba(23,19,33,.94);
        color:#fff;
        backdrop-filter:blur(14px);
        border-bottom:1px solid rgba(255,255,255,.10);
      }
      .mobile-brand{display:flex;align-items:center;gap:10px;font-weight:950}
      .mobile-brand span{
        width:38px;height:38px;border-radius:15px;
        display:grid;place-items:center;
        background:linear-gradient(135deg,var(--color-coral),var(--color-purple));
      }
      .mobile-links{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px}
      .mobile-links a{
        flex:0 0 auto;
        padding:8px 12px;
        border-radius:999px;
        color:rgba(255,255,255,.72);
        font-size:13px;
        font-weight:800;
      }
      .mobile-links a.active{color:#fff;background:linear-gradient(135deg,var(--color-coral),var(--color-purple))}
      .main-stage,.site-footer{margin-left:0}
      .content-wrap{width:min(100% - 36px,960px);padding-top:28px}
      .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}
      .content-layout{grid-template-columns:1fr}
      .guide-panel{position:static;grid-template-columns:1fr 1fr}
      .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .cta-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .section{padding:56px 0}
      .section-head{display:block}
      .hero-card{padding:30px 22px;border-radius:28px;min-height:auto}
      .hero-card::after{font-size:118px;right:14px;top:18px}
      .breadcrumb{font-size:13px}
      .hero-desc{font-size:15px}
      .hero-actions .btn{width:100%}
      .filter-bar{position:relative;top:auto;display:block;margin-top:0}
      .filter-tabs{margin-bottom:12px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}
      .filter-tab{flex:0 0 auto}
      .search-box{min-width:0;width:100%}
      .topic-grid{grid-template-columns:1fr}
      .topic-card.featured{grid-column:auto;display:block}
      .topic-media{aspect-ratio:16/10}
      .topic-card.featured h3{font-size:24px}
      .guide-panel{grid-template-columns:1fr}
      .feature-strip,.faq-grid{grid-template-columns:1fr}
      .cta-band{padding:30px 22px;border-radius:28px}
      .footer-grid{width:min(100% - 36px,720px);grid-template-columns:1fr}
      .copyright{width:min(100% - 36px,720px)}
      .site-footer{padding:36px 0}
    }
    @media (max-width:520px){
      .content-wrap{width:min(100% - 28px,520px)}
      .mobile-topbar{align-items:flex-start;flex-direction:column}
      .mobile-links{width:100%}
      .hero-badges{grid-template-columns:1fr}
      .mini-stat{padding:12px}
      .section-head h2{font-size:27px}
      .steps-grid{grid-template-columns:1fr}
      .topic-content,.topic-card.featured .topic-content{padding:22px}
    }