/* roulang page: index */
:root{
      --bg:#f3f7f6;
      --bg-soft:#eaf2f1;
      --surface:#ffffff;
      --surface-2:#f8fbfa;
      --ink:#10201f;
      --muted:#617372;
      --weak:#8a9998;
      --primary:#0a2b2c;
      --primary-2:#103f40;
      --cyan:#18d8d2;
      --cyan-2:#7ff4ee;
      --amber:#f3b84b;
      --warn:#d97742;
      --line:rgba(16,32,31,.12);
      --line-dark:rgba(255,255,255,.14);
      --shadow:0 18px 55px rgba(12,34,35,.10);
      --shadow-hover:0 24px 70px rgba(12,34,35,.16);
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:28px;
      --container:1200px;
      --ease:all .2s 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(--ink);
      background:
        radial-gradient(circle at 12% 0%, rgba(24,216,210,.10), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(243,184,75,.12), transparent 26%),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;background:var(--primary);color:#fff;
      padding:10px 14px;border-radius:10px;z-index:999
    }
    .skip-link:focus{left:12px;outline:3px solid var(--cyan)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(243,247,246,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(16,32,31,.08);
      transition:var(--ease)
    }
    .site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 10px 35px rgba(12,34,35,.08)}
    .nav{
      height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:800;color:var(--primary);letter-spacing:-.02em;
      min-width:0
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--primary),#071616 58%,var(--cyan));
      display:grid;place-items:center;color:var(--cyan-2);box-shadow:0 12px 26px rgba(10,43,44,.22);
      flex:none
    }
    .brand-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:380px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{
      padding:10px 14px;border-radius:999px;color:#29403f;font-size:15px;font-weight:650;
      transition:var(--ease);position:relative
    }
    .nav-links a:hover{background:rgba(24,216,210,.10);color:#062b2b}
    .nav-links a.active{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(10,43,44,.18)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;background:var(--surface);
      border:1px solid var(--line);align-items:center;justify-content:center;color:var(--primary)
    }
    .menu-toggle:focus,.btn:focus,.faq-question:focus,.field:focus{outline:3px solid rgba(24,216,210,.35);outline-offset:2px}
    .hero{
      position:relative;isolation:isolate;min-height:720px;color:#fff;
      background-image:
        linear-gradient(110deg,rgba(4,18,19,.92),rgba(4,18,19,.74) 46%,rgba(4,18,19,.42)),
        url('/assets/images/backpic/back-1.webp');
      background-size:cover;background-position:center;
      overflow:hidden
    }
    .hero:before{
      content:"";position:absolute;inset:0;z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:34px 34px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 90%)
    }
    .hero:after{
      content:"";position:absolute;right:-120px;top:120px;width:430px;height:430px;border-radius:50%;
      background:radial-gradient(circle,rgba(24,216,210,.25),transparent 68%);filter:blur(10px);z-index:-1
    }
    .hero-inner{padding:92px 0 76px;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;padding:8px 12px;border:1px solid rgba(127,244,238,.35);
      background:rgba(24,216,210,.10);color:var(--cyan-2);border-radius:999px;font-size:14px;font-weight:700
    }
    .pulse{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 7px rgba(24,216,210,.14)}
    h1{
      margin-top:22px;font-size:clamp(34px,5vw,56px);line-height:1.12;letter-spacing:-.045em;font-weight:850;
      max-width:820px
    }
    .hero-lead{margin-top:22px;color:rgba(255,255,255,.78);font-size:18px;max-width:720px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      padding:13px 20px;border-radius:999px;font-weight:800;transition:var(--ease);
      border:1px solid transparent;min-height:48px
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--cyan),#57eee7);color:#042322;
      box-shadow:0 16px 34px rgba(24,216,210,.20)
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(24,216,210,.28)}
    .btn-secondary{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#fff}
    .btn-secondary:hover{background:rgba(255,255,255,.14);border-color:rgba(127,244,238,.55);transform:translateY(-2px)}
    .btn-light{background:var(--primary);color:#fff;border-color:rgba(24,216,210,.25)}
    .btn-light:hover{background:#123f40;transform:translateY(-2px);box-shadow:0 16px 32px rgba(10,43,44,.16)}
    .btn-ghost{background:transparent;border-color:var(--line);color:var(--primary)}
    .btn-ghost:hover{border-color:var(--cyan);background:rgba(24,216,210,.08)}
    .keyword-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .tag,.badge{
      display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;
      font-size:13px;font-weight:700
    }
    .tag{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.86)}
    .badge{background:rgba(24,216,210,.10);border:1px solid rgba(24,216,210,.22);color:#09615f}
    .badge.amber{background:rgba(243,184,75,.14);border-color:rgba(243,184,75,.28);color:#815514}
    .hero-board{
      background:rgba(7,25,26,.78);border:1px solid rgba(255,255,255,.14);border-radius:30px;
      box-shadow:0 28px 90px rgba(0,0,0,.32);padding:22px;backdrop-filter:blur(14px)
    }
    .board-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    .board-title{font-size:18px;font-weight:800}
    .status{color:var(--cyan-2);font-size:13px;font-weight:800}
    .match-list{display:grid;gap:12px}
    .match{
      display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;
      padding:15px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.055)
    }
    .team{font-weight:800;color:#edfdfc}
    .team.right{text-align:right}
    .score{
      min-width:86px;text-align:center;font-size:26px;font-weight:900;color:var(--amber);
      font-variant-numeric:tabular-nums
    }
    .board-note{
      margin-top:16px;padding:14px;border-radius:18px;background:rgba(243,184,75,.10);
      border:1px solid rgba(243,184,75,.24);color:rgba(255,255,255,.78);font-size:14px
    }
    .mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
    .mini-stat{padding:14px;border-radius:18px;background:rgba(24,216,210,.08);border:1px solid rgba(24,216,210,.14)}
    .mini-stat strong{display:block;font-size:22px;color:var(--cyan-2);line-height:1.2}
    .mini-stat span{font-size:12px;color:rgba(255,255,255,.65)}
    main{position:relative}
    .section{padding:88px 0}
    .section.compact{padding:64px 0}
    .section-title{max-width:780px;margin-bottom:34px}
    .section-title.center{text-align:center;margin-left:auto;margin-right:auto}
    .section-kicker{color:#0d7370;font-size:14px;font-weight:850;letter-spacing:.08em;margin-bottom:8px}
    h2{font-size:clamp(26px,3.2vw,38px);line-height:1.25;letter-spacing:-.03em;color:var(--primary);font-weight:850}
    .section-desc{margin-top:12px;color:var(--muted);font-size:17px}
    .timeline-wrap{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:stretch
    }
    .cover-card{
      position:relative;min-height:420px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)
    }
    .cover-card img{width:100%;height:100%;object-fit:cover}
    .cover-card .overlay{
      position:absolute;inset:auto 18px 18px 18px;padding:18px;border-radius:20px;
      background:rgba(5,23,24,.78);border:1px solid rgba(255,255,255,.12);color:#fff;backdrop-filter:blur(14px)
    }
    .timeline{display:grid;gap:14px}
    .timeline-item{
      display:grid;grid-template-columns:72px 1fr;gap:18px;padding:18px;border-radius:22px;background:var(--surface);
      border:1px solid var(--line);box-shadow:0 12px 35px rgba(12,34,35,.06);transition:var(--ease)
    }
    .timeline-item:hover,.info-card:hover,.article-card:hover,.check-card:hover{transform:translateY(-3px);border-color:rgba(24,216,210,.45);box-shadow:var(--shadow-hover)}
    .stage{
      width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,#0d3435,#061616);display:grid;place-items:center;
      color:var(--cyan-2);font-weight:900;border:1px solid rgba(24,216,210,.25)
    }
    .timeline-item h3,.info-card h3,.article-card h3,.check-card h3{font-size:20px;line-height:1.35;color:var(--primary);margin-bottom:6px}
    .timeline-item p,.info-card p,.article-card p,.check-card p{color:var(--muted);font-size:15px}
    .score-zone{background:linear-gradient(180deg,rgba(10,43,44,.04),rgba(24,216,210,.04))}
    .score-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
    .score-panel,.explain-panel,.steps,.checklist,.faq-card,.cta-box,.feedback{
      background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)
    }
    .score-panel{padding:22px}
    .score-row{
      display:grid;grid-template-columns:1fr 92px 1fr auto;gap:12px;align-items:center;
      padding:16px 0;border-bottom:1px solid var(--line)
    }
    .score-row:last-child{border-bottom:0}
    .score-row .team-name{font-weight:850}
    .score-num{font-size:28px;font-weight:950;color:#c77f16;text-align:center;font-variant-numeric:tabular-nums}
    .phase{font-size:12px;color:#0d7370;background:rgba(24,216,210,.10);padding:5px 8px;border-radius:999px;font-weight:800;white-space:nowrap}
    .explain-panel{padding:28px}
    .data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}
    .data-card{padding:16px;border-radius:18px;background:var(--surface-2);border:1px solid var(--line)}
    .data-card strong{display:block;font-size:25px;color:var(--primary);line-height:1.2}
    .data-card span{font-size:13px;color:var(--muted)}
    .knowledge-grid{display:grid;grid-template-columns:1fr .76fr;gap:28px}
    .steps{padding:26px}
    .step{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:18px 0;border-bottom:1px dashed rgba(16,32,31,.16)}
    .step:last-child{border-bottom:0}
    .step-num{width:42px;height:42px;border-radius:14px;background:rgba(24,216,210,.12);color:#09615f;display:grid;place-items:center;font-weight:950}
    .step h3{font-size:18px;margin-bottom:4px}
    .step p{color:var(--muted);font-size:15px}
    .reminder{
      border-radius:var(--radius-lg);padding:28px;color:#fff;
      background:linear-gradient(145deg,#092728,#061616);border:1px solid rgba(24,216,210,.18);
      box-shadow:var(--shadow);position:relative;overflow:hidden
    }
    .reminder:after{content:"";position:absolute;right:-50px;bottom:-70px;width:210px;height:210px;background:rgba(243,184,75,.13);border-radius:50%}
    .reminder h3{font-size:24px;margin-bottom:12px}
    .reminder p{color:rgba(255,255,255,.75)}
    .reminder ul{margin-top:18px;display:grid;gap:12px;list-style:none;position:relative;z-index:1}
    .reminder li{padding-left:28px;position:relative;color:rgba(255,255,255,.86)}
    .reminder li:before{content:"!";position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;background:rgba(243,184,75,.18);color:var(--amber);display:grid;place-items:center;font-size:12px;font-weight:900}
    .checks{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .check-card{
      padding:24px;border-radius:24px;background:var(--surface);border:1px solid var(--line);box-shadow:0 14px 40px rgba(12,34,35,.07);
      transition:var(--ease)
    }
    .check-icon{width:46px;height:46px;border-radius:16px;background:rgba(24,216,210,.11);display:grid;place-items:center;color:#08736f;font-weight:950;margin-bottom:14px}
    .media-strip{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
    .media-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);min-height:360px}
    .media-card img{width:100%;height:100%;object-fit:cover}
    .info-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .info-card{padding:22px;border-radius:22px;background:var(--surface);border:1px solid var(--line);box-shadow:0 12px 36px rgba(12,34,35,.06);transition:var(--ease)}
    .articles-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}
    .article-card{
      background:var(--surface);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 14px 40px rgba(12,34,35,.07);
      transition:var(--ease)
    }
    .article-card.feature{display:grid;grid-template-columns:.95fr 1.05fr;min-height:330px}
    .article-card img{width:100%;height:100%;min-height:210px;object-fit:cover}
    .article-body{padding:22px;display:flex;flex-direction:column;gap:12px}
    .article-meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;color:var(--weak);font-size:13px}
    .article-small-list{display:grid;gap:16px}
    .read-link{margin-top:auto;color:#09615f;font-weight:850;display:inline-flex;gap:6px;align-items:center}
    .read-link:hover{color:#064a48}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:28px;align-items:start}
    .faq-card{overflow:hidden}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{
      width:100%;display:flex;justify-content:space-between;gap:16px;text-align:left;
      padding:20px 22px;background:#fff;color:var(--primary);font-weight:850
    }
    .faq-question:hover{background:var(--surface-2)}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-question span:last-child{transition:var(--ease);font-size:22px;color:#0d7370}
    .cta-box{
      padding:34px;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;
      background:
        linear-gradient(135deg,rgba(10,43,44,.96),rgba(9,39,40,.92)),
        url('/assets/images/backpic/back-2.webp');
      background-size:cover;background-position:center;color:#fff
    }
    .cta-box h2{color:#fff}
    .cta-box p{color:rgba(255,255,255,.76);margin-top:10px}
    .feedback{padding:24px}
    .feedback-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}
    .field{
      width:100%;border:1px solid var(--line);background:var(--surface-2);border-radius:14px;padding:12px 14px;
      color:var(--ink);transition:var(--ease)
    }
    textarea.field{min-height:112px;resize:vertical;grid-column:1/-1}
    .field:hover{border-color:rgba(24,216,210,.45)}
    .form-note{font-size:13px;color:var(--muted);margin-top:12px}
    .site-footer{
      background:#061616;color:rgba(255,255,255,.74);padding:58px 0 28px;border-top:1px solid rgba(255,255,255,.10)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:34px}
    .footer-brand{font-size:20px;color:#fff;font-weight:850;margin-bottom:12px}
    .footer-title{color:#fff;font-weight:850;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.72);transition:var(--ease)}
    .footer-links a:hover{color:var(--cyan-2);padding-left:3px}
    .risk-line{margin-top:16px;padding:14px;border-radius:16px;background:rgba(243,184,75,.10);border:1px solid rgba(243,184,75,.20);color:rgba(255,255,255,.82)}
    .copyright{margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);font-size:13px;color:rgba(255,255,255,.55)}
    @media (max-width:1024px){
      .brand-text{max-width:270px}
      .hero-inner,.timeline-wrap,.score-grid,.knowledge-grid,.media-strip,.articles-layout,.faq-grid{grid-template-columns:1fr}
      .hero{min-height:auto}
      .checks{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta-box{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav{height:68px}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;left:14px;right:14px;top:76px;display:none;flex-direction:column;align-items:stretch;
        background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)
      }
      .nav-links.open{display:flex}
      .nav-links a{text-align:center}
      .brand-text{max-width:210px;font-size:16px}
      .hero-inner{padding:62px 0}
      .hero-actions .btn{flex:1 1 100%}
      .mini-stats,.data-grid,.info-cards,.checks,.footer-grid,.feedback-grid{grid-template-columns:1fr}
      .section{padding:62px 0}
      .article-card.feature{grid-template-columns:1fr}
      .score-row{grid-template-columns:1fr auto;gap:8px}
      .score-row .team-name:nth-child(3){text-align:right}
      .score-row .phase{grid-column:1/-1;width:max-content}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .brand-text{max-width:176px}
      .hero-lead,.section-desc{font-size:16px}
      .hero-board,.score-panel,.explain-panel,.steps,.feedback,.cta-box{padding:18px}
      .match{grid-template-columns:1fr;gap:6px;text-align:center}
      .team.right{text-align:center}
      .timeline-item{grid-template-columns:1fr}
      .cover-card{min-height:330px}
      .faq-question{padding:18px}
    }

/* roulang page: category1 */
:root{
      --bg:#f3f7f6;
      --bg-soft:#eaf2f1;
      --panel:#ffffff;
      --panel-deep:#071d21;
      --ink:#102126;
      --muted:#5d7075;
      --weak:#7d9095;
      --line:rgba(14,45,52,.12);
      --cyan:#16d7d2;
      --cyan-2:#0ba7c7;
      --gold:#f2b64b;
      --amber:#ffcf74;
      --danger:#c96a45;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:26px;
      --shadow:0 18px 50px rgba(5,29,34,.10);
      --shadow-hover:0 22px 60px rgba(5,29,34,.16);
      --max:1200px;
      --ease:180ms 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(--ink);
      background:
        radial-gradient(circle at 8% 12%, rgba(22,215,210,.12), transparent 28%),
        radial-gradient(circle at 88% 5%, rgba(242,182,75,.10), transparent 24%),
        linear-gradient(180deg,#f7fbfa 0%, var(--bg) 58%, #eef5f4 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0;background:none;color:inherit}
    :focus-visible{outline:3px solid rgba(22,215,210,.45);outline-offset:3px;border-radius:10px}
    .container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(247,251,250,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(16,33,38,.08);
      transition:box-shadow var(--ease),background var(--ease);
    }
    .site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 12px 35px rgba(5,29,34,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0;font-weight:800;letter-spacing:-.02em;color:#071d21}
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:#031619;font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--gold));
      box-shadow:0 12px 30px rgba(22,215,210,.22);
    }
    .brand-text{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:390px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{font-size:15px;font-weight:700;color:#40565b;padding:10px 15px;border-radius:999px;border:1px solid transparent}
    .nav-links a:hover{color:#062226;background:rgba(22,215,210,.10);border-color:rgba(22,215,210,.28);transform:translateY(-1px)}
    .nav-links a.active{color:#062226;background:linear-gradient(135deg,rgba(22,215,210,.18),rgba(242,182,75,.15));border-color:rgba(22,215,210,.38)}
    .menu-toggle{display:none;width:44px;height:44px;border-radius:14px;background:#eef8f7;border:1px solid var(--line);align-items:center;justify-content:center;gap:4px;flex-direction:column}
    .menu-toggle span{width:20px;height:2px;background:#102126;border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
    .topic-hero{
      position:relative;
      isolation:isolate;
      padding:74px 0 54px;
      color:#fff;
      background-image:linear-gradient(115deg,rgba(4,20,24,.92),rgba(6,37,45,.78)),url('/assets/images/backpic/back-2.webp');
      background-size:cover;background-position:center;
      overflow:hidden;
    }
    .topic-hero::before{
      content:"";position:absolute;inset:0;z-index:-1;
      background-image:
        linear-gradient(rgba(22,215,210,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22,215,210,.08) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(90deg,#000,transparent 78%);
    }
    .breadcrumbs{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.70);margin-bottom:22px}
    .breadcrumbs a:hover{color:var(--cyan)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;border:1px solid rgba(22,215,210,.32);background:rgba(8,36,42,.64);color:#bff8f6;font-size:13px;font-weight:800;margin-bottom:17px}
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
    h1{font-size:clamp(31px,5vw,54px);line-height:1.12;letter-spacing:-.04em;font-weight:850;max-width:820px}
    .hero-lead{margin-top:18px;color:rgba(255,255,255,.78);font-size:18px;max-width:720px;line-height:1.85}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .tag{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);color:#eaffff;font-size:13px;font-weight:700}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 18px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease)}
    .btn-primary{background:linear-gradient(135deg,#16d7d2,#0ba7c7);color:#032024;box-shadow:0 14px 34px rgba(22,215,210,.26)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 45px rgba(22,215,210,.34)}
    .btn-ghost{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.06)}
    .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(22,215,210,.45);transform:translateY(-2px)}
    .brief-panel{background:rgba(5,24,28,.72);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.24);backdrop-filter:blur(10px)}
    .panel-title{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:16px;font-weight:850;color:#f7ffff}
    .status-pill{font-size:12px;color:#062226;background:var(--gold);border-radius:999px;padding:4px 9px;font-weight:850;white-space:nowrap}
    .metric-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
    .metric{padding:13px;border-radius:15px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10)}
    .metric b{display:block;font-size:24px;line-height:1;color:var(--amber);font-variant-numeric:tabular-nums}
    .metric span{display:block;margin-top:6px;font-size:12px;color:rgba(255,255,255,.66)}
    .match-line{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-top:1px solid rgba(255,255,255,.10)}
    .team{display:flex;align-items:center;gap:9px;font-weight:750;color:#ecffff}
    .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan)}
    .score{font-size:22px;font-weight:900;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.04em}
    main{position:relative}
    .section{padding:78px 0}
    .section.compact{padding:56px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}
    .section-kicker{color:var(--cyan-2);font-size:13px;font-weight:900;letter-spacing:.08em;margin-bottom:7px}
    h2{font-size:clamp(25px,3vw,36px);line-height:1.24;letter-spacing:-.03em;color:#0c2429}
    .section-desc{max-width:620px;color:var(--muted);font-size:16px}
    .overview-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .feature-card,.info-card,.check-card,.faq-item,.cta-card{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);overflow:hidden}
    .feature-card:hover,.info-card:hover,.check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(22,215,210,.38)}
    .cover-card{position:relative;min-height:410px;color:#fff;display:flex;align-items:flex-end;padding:26px;background:#071d21;overflow:hidden;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .cover-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.74;transition:transform 420ms ease}
    .cover-card:hover img{transform:scale(1.04)}
    .cover-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(4,20,24,.92) 88%)}
    .cover-content{position:relative;z-index:1}
    .cover-content h3{font-size:28px;line-height:1.25;margin-bottom:10px}
    .cover-content p{color:rgba(255,255,255,.78)}
    .stage-list{display:grid;gap:14px}
    .stage-item{display:grid;grid-template-columns:auto 1fr;gap:15px;padding:18px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:0 12px 35px rgba(5,29,34,.07)}
    .stage-no{width:38px;height:38px;border-radius:13px;background:#08292f;color:var(--cyan);display:grid;place-items:center;font-weight:900;font-variant-numeric:tabular-nums}
    .stage-item h3{font-size:19px;margin-bottom:5px;color:#102126}
    .stage-item p{color:var(--muted);font-size:15px}
    .score-board{background:#061e23;color:#eaffff;border-radius:var(--radius-lg);padding:26px;border:1px solid rgba(22,215,210,.18);box-shadow:var(--shadow);position:relative;overflow:hidden}
    .score-board::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 0,rgba(22,215,210,.18),transparent 34%);pointer-events:none}
    .board-top{position:relative;display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:18px}
    .board-top h3{font-size:22px}
    .board-note{font-size:13px;color:#9ec7cd}
    .score-row{position:relative;display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center;padding:15px 0;border-top:1px solid rgba(255,255,255,.10)}
    .score-row:first-of-type{border-top:0}
    .team-name{font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .team-name.right{text-align:right}
    .score-num{min-width:86px;text-align:center;font-size:25px;font-weight:950;color:var(--gold);font-variant-numeric:tabular-nums}
    .board-foot{position:relative;margin-top:18px;padding:13px;border-radius:15px;background:rgba(255,207,116,.12);border:1px solid rgba(255,207,116,.22);font-size:14px;color:#ffe2a2}
    .insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .info-card{padding:23px}
    .icon-box{width:46px;height:46px;border-radius:15px;background:linear-gradient(135deg,rgba(22,215,210,.18),rgba(242,182,75,.16));display:grid;place-items:center;color:#0b727d;font-weight:950;margin-bottom:14px}
    .info-card h3{font-size:20px;margin-bottom:8px}
    .info-card p{color:var(--muted);font-size:15px}
    .rule-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:start}
    .rule-aside{position:sticky;top:100px;background:linear-gradient(180deg,#092b31,#061d22);border-radius:var(--radius-lg);padding:26px;color:#efffff;box-shadow:var(--shadow);border:1px solid rgba(22,215,210,.20)}
    .rule-aside h3{font-size:24px;margin-bottom:12px}
    .rule-aside p{color:#b8d5da}
    .warning{margin-top:18px;padding:14px;border-radius:15px;background:rgba(242,182,75,.12);border:1px solid rgba(242,182,75,.26);color:#ffe4ad;font-size:14px}
    .steps{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:auto 1fr;gap:15px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 35px rgba(5,29,34,.06)}
    .step-num{width:34px;height:34px;border-radius:12px;background:#e7fbfa;color:#08787f;font-weight:950;display:grid;place-items:center}
    .step h3{font-size:19px;margin-bottom:4px}
    .step p{color:var(--muted);font-size:15px}
    .check-section{background:linear-gradient(180deg,rgba(6,30,35,.03),rgba(22,215,210,.06));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .check-card{padding:22px;display:grid;grid-template-columns:auto 1fr;gap:14px}
    .check-mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#e9faf4;color:#0a8c65;font-weight:950}
    .check-card h3{font-size:19px;margin-bottom:5px}
    .check-card p{font-size:15px;color:var(--muted)}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .scenario{position:relative;min-height:270px;border-radius:var(--radius);overflow:hidden;color:#fff;background:#061d22;box-shadow:var(--shadow);border:1px solid rgba(16,33,38,.10)}
    .scenario img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.68;transition:transform 420ms ease}
    .scenario:hover img{transform:scale(1.05)}
    .scenario::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,15,18,.18),rgba(3,15,18,.90))}
    .scenario-content{position:absolute;inset:auto 0 0 0;z-index:1;padding:22px}
    .scenario-content h3{font-size:21px;margin-bottom:8px}
    .scenario-content p{font-size:15px;color:rgba(255,255,255,.78)}
    .faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
    .faq-item{overflow:hidden}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 22px;text-align:left;font-weight:850;color:#102126}
    .faq-question span:last-child{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#eef8f7;color:#0c7c84;transition:transform var(--ease)}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:#dbfbf8}
    .cta-card{position:relative;overflow:hidden;padding:34px;color:#fff;background:linear-gradient(135deg,#071d21,#0b333b)}
    .cta-card::before{content:"";position:absolute;right:-90px;top:-120px;width:320px;height:320px;border-radius:50%;background:rgba(22,215,210,.18)}
    .cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-inner h2{color:#fff;margin-bottom:8px}
    .cta-inner p{color:#b9dce1;max-width:690px}
    .site-footer{background:#06191d;color:#cde1e4;padding:54px 0 26px;border-top:1px solid rgba(22,215,210,.18)}
    .footer-grid{display:grid;grid-template-columns:1.45fr .75fr 1fr;gap:34px;margin-bottom:32px}
    .footer-brand{font-size:20px;font-weight:900;color:#fff;margin-bottom:10px}
    .footer-title{font-weight:850;color:#fff;margin-bottom:12px}
    .site-footer p{color:#a9c0c5;font-size:14px;line-height:1.8}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#b7d0d4;font-size:14px}
    .footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
    .risk-line{margin-top:14px;padding:12px 14px;border-radius:14px;background:rgba(242,182,75,.10);border:1px solid rgba(242,182,75,.22);color:#ffe0a0;font-size:13px}
    .copyright{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;color:#7f999e;font-size:13px}
    @media (max-width:1024px){
      .brand-text{max-width:300px}.hero-grid,.overview-grid,.rule-layout{grid-template-columns:1fr}.brief-panel{max-width:680px}.insight-grid,.scenario-grid{grid-template-columns:repeat(2,1fr)}.rule-aside{position:relative;top:0}.footer-grid{grid-template-columns:1fr 1fr}.section-head{align-items:flex-start;flex-direction:column}.cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 28px),var(--max))}.nav-wrap{height:68px}.menu-toggle{display:flex}.nav-links{position:absolute;left:14px;right:14px;top:76px;display:none;flex-direction:column;align-items:stretch;padding:14px;background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{width:100%;text-align:center}.brand-text{max-width:230px;font-size:15px}.topic-hero{padding:54px 0 42px}.hero-lead{font-size:16px}.metric-strip{grid-template-columns:1fr}.score-row{grid-template-columns:1fr;gap:5px;text-align:left}.team-name.right{text-align:left}.score-num{text-align:left}.check-grid,.insight-grid,.scenario-grid,.footer-grid{grid-template-columns:1fr}.cover-card{min-height:330px}.section{padding:58px 0}.section.compact{padding:44px 0}.rule-aside,.cta-card{padding:22px}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px}.brand-text{max-width:185px}.hero-actions{display:grid}.btn{width:100%;padding:12px 16px}.tag-row{gap:8px}.match-line{align-items:flex-start;flex-direction:column}.cover-content h3{font-size:24px}.stage-item,.step,.check-card{grid-template-columns:1fr}.faq-question{padding:17px}.faq-answer{padding:0 17px 18px}.scenario{min-height:240px}
    }