/* roulang page: index */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --primary-soft:#EAF3FF;
      --ink:#0F172A;
      --muted:#64748B;
      --subtle:#94A3B8;
      --line:#DCE7F5;
      --bg:#F8FAFC;
      --panel:#FFFFFF;
      --silver:#F6F8FB;
      --accent:#F59E0B;
      --success:#16A34A;
      --danger:#DC2626;
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --shadow-sm:0 10px 26px rgba(15,23,42,.06);
      --shadow-md:0 18px 45px rgba(15,23,42,.08);
      --shadow-lg:0 26px 70px rgba(37,99,235,.14);
      --container:1220px;
      --nav-h:76px;
      --ease:all .24s ease;
    }
    *{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(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(37,99,235,.12), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(234,243,255,.95), transparent 32%),
        linear-gradient(180deg,#F8FAFC 0%,#FFFFFF 42%,#F8FAFC 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(37,99,235,.18)}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:66px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border:1px solid rgba(37,99,235,.18);
      background:rgba(234,243,255,.82);color:var(--primary-dark);
      border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.02em
    }
    .eyebrow:before{
      content:"";width:7px;height:7px;border-radius:50%;
      background:var(--accent);box-shadow:0 0 0 5px rgba(245,158,11,.14)
    }
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:34px}
    .section-title{font-size:clamp(30px,4vw,40px);line-height:1.18;margin:12px 0 0;font-weight:800;letter-spacing:-.04em}
    .section-desc{max-width:610px;color:var(--muted);margin:14px 0 0;font-size:16px}
    .soft-grid{
      position:absolute;inset:0;pointer-events:none;opacity:.72;
      background-image:
        linear-gradient(rgba(37,99,235,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.08) 1px, transparent 1px);
      background-size:54px 54px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 78%)
    }

    .site-header{
      position:fixed;top:16px;left:0;right:0;z-index:50;
      transition:var(--ease)
    }
    .nav-shell{
      width:min(var(--container),calc(100% - 64px));margin:0 auto;
      min-height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:12px 14px 12px 18px;
      background:rgba(255,255,255,.68);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:0 16px 50px rgba(15,23,42,.08);
      backdrop-filter:blur(18px);
      border-radius:24px;
      transition:var(--ease)
    }
    .site-header.is-scrolled{top:8px}
    .site-header.is-scrolled .nav-shell{
      background:rgba(255,255,255,.94);
      border-color:rgba(220,231,245,.95);
      box-shadow:0 18px 55px rgba(15,23,42,.12)
    }
    .brand{display:flex;align-items:center;gap:11px;min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;display:grid;place-items:center;
      color:#fff;font-weight:900;background:
        linear-gradient(135deg,var(--primary),#60A5FA);
      box-shadow:0 12px 28px rgba(37,99,235,.25);
      position:relative;overflow:hidden
    }
    .brand-mark:after{
      content:"";position:absolute;inset:8px 5px auto auto;width:18px;height:3px;
      border-radius:999px;background:rgba(255,255,255,.7);transform:rotate(-28deg)
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-name{font-weight:900;letter-spacing:-.03em}
    .brand-note{font-size:12px;color:var(--muted);font-weight:600}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-links a{
      padding:10px 14px;border-radius:999px;color:#334155;font-size:14px;font-weight:700;
      transition:var(--ease);white-space:nowrap
    }
    .nav-links a:hover,.nav-links a.active{background:var(--primary-soft);color:var(--primary-dark)}
    .nav-search{
      display:flex;align-items:center;gap:8px;height:42px;min-width:210px;
      padding:0 12px;border:1px solid rgba(37,99,235,.16);
      border-radius:999px;background:rgba(255,255,255,.72);color:var(--muted)
    }
    .nav-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:14px}
    .nav-cta,.btn-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      background:var(--primary);color:#fff;border-radius:999px;
      padding:12px 18px;font-weight:800;box-shadow:0 14px 30px rgba(37,99,235,.22);
      transition:var(--ease);white-space:nowrap
    }
    .nav-cta:hover,.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 38px rgba(37,99,235,.28)}
    .btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      background:#fff;color:var(--primary-dark);border:1px solid rgba(37,99,235,.22);
      border-radius:999px;padding:12px 18px;font-weight:800;transition:var(--ease)
    }
    .btn-secondary:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--primary-dark);font-weight:800;transition:var(--ease)}
    .btn-text span{transition:var(--ease)}
    .btn-text:hover span{transform:translateX(4px)}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(37,99,235,.22);outline-offset:3px
    }
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;background:#fff;
      border:1px solid rgba(37,99,235,.16);align-items:center;justify-content:center
    }
    .menu-toggle i,.menu-toggle i:before,.menu-toggle i:after{
      display:block;width:18px;height:2px;background:var(--ink);border-radius:999px;position:relative;transition:var(--ease)
    }
    .menu-toggle i:before,.menu-toggle i:after{content:"";position:absolute;left:0}
    .menu-toggle i:before{top:-6px}.menu-toggle i:after{top:6px}
    .mobile-panel{
      display:none;width:min(var(--container),calc(100% - 32px));margin:10px auto 0;
      padding:16px;background:rgba(255,255,255,.94);border:1px solid var(--line);
      border-radius:22px;box-shadow:var(--shadow-md);backdrop-filter:blur(16px)
    }

    .hero{
      position:relative;min-height:770px;padding:132px 0 88px;overflow:hidden;
      background:
        linear-gradient(130deg, rgba(15,23,42,.96) 0%, rgba(29,78,216,.92) 45%, rgba(234,243,255,.98) 45.2%, rgba(248,250,252,1) 100%);
    }
    .hero:before{
      content:"";position:absolute;right:-130px;top:88px;width:560px;height:560px;border-radius:50%;
      background:radial-gradient(circle,rgba(37,99,235,.18),transparent 66%)
    }
    .hero-wrap{position:relative;z-index:1;display:grid;grid-template-columns:.94fr 1.06fr;gap:34px;align-items:stretch}
    .hero-panel{
      color:#fff;padding:42px;border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      border:1px solid rgba(255,255,255,.18);
      box-shadow:0 28px 80px rgba(15,23,42,.26);
      backdrop-filter:blur(14px);position:relative;overflow:hidden
    }
    .hero-panel:after{
      content:"";position:absolute;right:-80px;bottom:-80px;width:220px;height:220px;
      background:rgba(255,255,255,.08);border-radius:50%
    }
    .hero h1{
      font-size:clamp(40px,5.4vw,56px);line-height:1.12;margin:20px 0 18px;
      font-weight:900;letter-spacing:-.06em
    }
    .hero-intro{font-size:17px;color:rgba(255,255,255,.82);max-width:610px;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}
    .hero .btn-secondary{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.24)}
    .hero .btn-secondary:hover{background:rgba(255,255,255,.18)}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
    .hero-point{
      padding:14px;border-radius:18px;background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16)
    }
    .hero-point strong{display:block;font-size:19px;line-height:1.2}
    .hero-point span{font-size:12px;color:rgba(255,255,255,.68)}
    .entry-stage{display:grid;grid-template-columns:1fr;gap:18px}
    .data-board{
      background:rgba(255,255,255,.94);border:1px solid rgba(220,231,245,.92);
      border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:28px;overflow:hidden;position:relative
    }
    .data-board:before{
      content:"";position:absolute;inset:0;background:
        linear-gradient(135deg,rgba(234,243,255,.8),transparent 44%),
        repeating-linear-gradient(135deg,rgba(37,99,235,.045) 0 1px,transparent 1px 16px);
      pointer-events:none
    }
    .board-inner{position:relative;z-index:1}
    .board-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
    .board-title{font-size:22px;font-weight:900;letter-spacing:-.04em}
    .status-pill{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;border-radius:999px;background:#ECFDF5;color:#047857;font-size:13px;font-weight:800}
    .status-pill:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}
    .rank-list{display:grid;gap:12px}
    .rank-item{
      display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:center;
      padding:14px;border-radius:19px;background:#fff;border:1px solid rgba(220,231,245,.88);
      box-shadow:0 10px 24px rgba(15,23,42,.04);transition:var(--ease)
    }
    .rank-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:rgba(37,99,235,.25)}
    .rank-no{width:38px;height:38px;border-radius:14px;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary-dark);font-weight:900}
    .rank-item h3{margin:0;font-size:16px;font-weight:900}
    .rank-item p{margin:3px 0 0;color:var(--muted);font-size:13px;line-height:1.45}
    .meter{width:86px;height:8px;border-radius:999px;background:#E2E8F0;overflow:hidden}
    .meter span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#93C5FD)}
    .hero-mini{
      display:grid;grid-template-columns:1fr 1fr;gap:18px
    }
    .mini-card{
      padding:20px;border-radius:24px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm)
    }
    .mini-card b{display:block;font-size:26px;line-height:1;color:var(--primary-dark)}
    .mini-card span{display:block;margin-top:9px;color:var(--muted);font-size:14px}

    .highlight-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:22px}
    .feature-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:26px;box-shadow:var(--shadow-md);transition:var(--ease);position:relative;overflow:hidden
    }
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(37,99,235,.28)}
    .feature-card.large{min-height:330px;background:linear-gradient(145deg,#fff 0%,#F7FBFF 100%)}
    .feature-card h3{font-size:22px;margin:16px 0 10px;font-weight:900;letter-spacing:-.03em}
    .feature-card p{color:var(--muted);margin:0}
    .card-no{display:inline-flex;width:42px;height:42px;border-radius:16px;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-weight:900;box-shadow:0 12px 25px rgba(37,99,235,.24)}
    .feature-list{display:grid;gap:12px;margin-top:24px}
    .feature-line{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 14px;border-radius:16px;background:var(--primary-soft);color:#1E3A8A;font-weight:800}
    .feature-line small{color:var(--muted);font-weight:700}

    .time-strip{
      background:linear-gradient(135deg,#EFF6FF,#FFFFFF);
      border-top:1px solid rgba(37,99,235,.10);border-bottom:1px solid rgba(37,99,235,.10)
    }
    .time-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .time-card{
      padding:22px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-sm);
      transition:var(--ease)
    }
    .time-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .time-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;color:var(--primary-dark);font-weight:900}
    .time-card h3{font-size:18px;margin:0 0 8px;font-weight:900}
    .time-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.65}

    .story-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start}
    .chapter-card{
      position:sticky;top:112px;padding:32px;border-radius:var(--radius-xl);
      background:var(--ink);color:#fff;box-shadow:0 24px 70px rgba(15,23,42,.18);overflow:hidden
    }
    .chapter-card:after{
      content:"";position:absolute;right:-55px;bottom:-70px;width:210px;height:210px;border-radius:50%;background:rgba(37,99,235,.32)
    }
    .chapter-no{font-size:72px;font-weight:900;line-height:.9;color:#93C5FD;letter-spacing:-.08em}
    .chapter-card h2{font-size:32px;line-height:1.2;margin:20px 0 12px;font-weight:900}
    .chapter-card p{color:rgba(255,255,255,.76);margin:0}
    .rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .rule-card{
      padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);transition:var(--ease)
    }
    .rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .rule-card h3{font-size:19px;margin:12px 0 8px;font-weight:900}
    .rule-card p{margin:0;color:var(--muted);font-size:15px}
    .rule-tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:#F8FAFC;border:1px solid var(--line);color:var(--primary-dark);font-size:12px;font-weight:900}

    .featured-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .big-pick{
      border-radius:30px;padding:32px;min-height:420px;
      background:
        linear-gradient(135deg,rgba(37,99,235,.96),rgba(29,78,216,.9)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.14) 0 1px,transparent 1px 18px);
      color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden
    }
    .big-pick:after{content:"";position:absolute;right:-80px;top:40px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.12)}
    .big-pick .content{position:relative;z-index:1}
    .pick-tag{display:inline-flex;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.22);font-size:13px;font-weight:900}
    .big-pick h2{font-size:clamp(28px,3.8vw,42px);line-height:1.15;margin:22px 0 14px;font-weight:900;letter-spacing:-.05em}
    .big-pick p{color:rgba(255,255,255,.82);max-width:560px;margin:0 0 28px}
    .update-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
    .update-row span{padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.84)}
    .small-picks{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .pick-card{
      padding:22px;border-radius:24px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);transition:var(--ease)
    }
    .pick-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(37,99,235,.28)}
    .pick-card:hover .chip{background:var(--primary);color:#fff}
    .chip{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:12px;font-weight:900;transition:var(--ease)}
    .pick-card h3{font-size:18px;margin:18px 0 8px;font-weight:900}
    .pick-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.65}
    .chip-row{display:flex;gap:10px;overflow:auto;padding:18px 2px 4px;margin-top:20px}
    .filter-chip{flex:0 0 auto;padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 18px rgba(15,23,42,.04);font-weight:800;color:#334155}
    .filter-chip.active,.filter-chip:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

    .news-zone{background:#fff}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}
    .news-list{display:grid;gap:14px}
    .news-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
      padding:18px;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);
      transition:var(--ease)
    }
    .news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(37,99,235,.25)}
    .news-date{min-width:82px;text-align:center;padding:10px;border-radius:16px;background:var(--silver);color:var(--primary-dark);font-weight:900}
    .news-date small{display:block;color:var(--muted);font-size:12px}
    .news-item h3{font-size:17px;margin:0 0 4px;font-weight:900}
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .recommend-box{
      padding:24px;border-radius:28px;background:linear-gradient(180deg,#F0F7FF,#fff);
      border:1px solid var(--line);box-shadow:var(--shadow-md)
    }
    .recommend-box h3{font-size:22px;margin:0 0 12px;font-weight:900}
    .recommend-box p{color:var(--muted);margin:0 0 18px}
    .rec-list{display:grid;gap:10px}
    .rec-list a{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid rgba(220,231,245,.85);font-weight:800;color:#334155}
    .rec-list a:hover{color:var(--primary-dark)}

    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .trust-card{
      padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);transition:var(--ease)
    }
    .trust-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .trust-card b{display:block;font-size:28px;color:var(--primary-dark);line-height:1}
    .trust-card span{display:block;margin-top:10px;color:var(--muted);font-size:14px}
    .notice-bar{
      margin-top:22px;display:flex;align-items:center;gap:14px;padding:18px 20px;
      border-radius:22px;background:var(--primary-soft);border:1px solid rgba(37,99,235,.14);color:#1E3A8A;font-weight:800
    }
    .notice-bar i{width:36px;height:36px;border-radius:14px;background:#fff;display:grid;place-items:center;color:var(--primary)}

    .faq-wrap{display:grid;grid-template-columns:.86fr 1.14fr;gap:28px;align-items:start}
    .faq-intro{
      padding:30px;border-radius:28px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-md)
    }
    .faq-intro h2{font-size:34px;line-height:1.18;margin:12px 0;font-weight:900}
    .faq-intro p{color:var(--muted);margin:0}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:19px 20px;text-align:left;font-weight:900;color:var(--ink)
    }
    .faq-q span:first-child{display:flex;align-items:center;gap:12px}
    .faq-no{width:30px;height:30px;border-radius:11px;background:var(--primary-soft);color:var(--primary-dark);display:grid;place-items:center;font-size:12px;font-weight:900}
    .faq-icon{font-size:24px;color:var(--primary);transition:var(--ease)}
    .faq-a{display:none;padding:0 20px 20px 62px;color:var(--muted);font-size:15px}
    .faq-item.open{border-color:rgba(37,99,235,.26)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg)}

    .subscribe{
      padding:38px;border-radius:34px;background:
        linear-gradient(135deg,#EAF3FF 0%,#FFFFFF 58%,#F8FAFC 100%);
      border:1px solid rgba(37,99,235,.14);box-shadow:var(--shadow-lg);position:relative;overflow:hidden
    }
    .subscribe:before{
      content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;background:rgba(37,99,235,.12)
    }
    .subscribe-inner{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center}
    .subscribe h2{font-size:clamp(30px,4vw,42px);line-height:1.15;margin:12px 0 12px;font-weight:900;letter-spacing:-.05em}
    .subscribe p{color:var(--muted);margin:0}
    .form-card{padding:22px;border-radius:26px;background:rgba(255,255,255,.86);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;color:#334155;font-weight:900}
    .field input,.field select{
      height:50px;border-radius:16px;border:1px solid #CBD5E1;background:#fff;padding:0 14px;
      color:var(--ink);transition:var(--ease);outline:0
    }
    .field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
    .field input.error{border-color:var(--danger)}
    .hint{font-size:12px;color:var(--muted)}
    .hint.error{color:var(--danger)}.hint.success{color:var(--success)}
    .checkline{display:flex;align-items:flex-start;gap:10px;color:#334155;font-size:13px;line-height:1.55}
    .checkline input{width:18px;height:18px;accent-color:var(--primary);margin-top:2px}
    .form-actions{display:flex;gap:12px;align-items:center;margin-top:16px}
    .disabled{opacity:.45;pointer-events:none}

    .site-footer{background:#F1F5F9;border-top:1px solid var(--line);padding:54px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr 1fr;gap:28px}
    .footer-brand p{color:var(--muted);margin:16px 0 0;max-width:360px}
    .footer-title{font-weight:900;margin-bottom:12px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:var(--muted);font-weight:700;transition:var(--ease)}
    .footer-links a:hover{color:var(--primary-dark);transform:translateX(3px)}
    .footer-note{padding:16px;border-radius:20px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:14px}
    .copyright{margin-top:36px;padding-top:22px;border-top:1px solid rgba(203,213,225,.8);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:14px}
    .article-template{max-width:820px;margin:0 auto;line-height:1.85}
    .article-template h2{border-left:4px solid var(--primary);padding-left:14px}
    .article-template blockquote{background:var(--primary-soft);border-radius:18px;padding:18px 20px;margin:22px 0;color:#1E3A8A}

    @media (max-width:1100px){
      .nav-search{display:none}
      .hero-wrap,.featured-layout,.story-wrap,.faq-wrap,.subscribe-inner,.news-layout{grid-template-columns:1fr}
      .highlight-grid{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-column:1/-1}
      .chapter-card{position:relative;top:0}
      .trust-grid,.time-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .hero{background:linear-gradient(150deg,#0F172A 0%,#1D4ED8 55%,#F8FAFC 55.2%,#FFFFFF 100%)}
    }
    @media (max-width:860px){
      .container,.nav-shell{width:calc(100% - 32px)}
      .nav-links,.nav-cta{display:none}
      .menu-toggle{display:flex}
      .mobile-panel.show{display:block}
      .mobile-panel a{display:flex;padding:13px 12px;border-radius:14px;font-weight:800;color:#334155}
      .mobile-panel a:hover,.mobile-panel a.active{background:var(--primary-soft);color:var(--primary-dark)}
      .mobile-search{display:flex;margin:12px 0;padding:0 12px;height:46px;border-radius:16px;border:1px solid var(--line);background:#fff}
      .mobile-search input{border:0;outline:0;background:transparent;width:100%}
      .hero{padding-top:118px;min-height:auto}
      .hero-panel{padding:28px}
      .hero-points{grid-template-columns:1fr}
      .small-picks,.rule-grid,.highlight-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr}
      .section-head{display:block}
    }
    @media (max-width:560px){
      .section{padding:58px 0}.section-tight{padding:48px 0}
      .brand-note{display:none}
      .brand-name{font-size:14px}
      .brand-mark{width:38px;height:38px}
      .hero h1{font-size:38px}
      .hero-panel,.data-board,.subscribe{border-radius:26px;padding:22px}
      .hero-actions,.form-actions{flex-direction:column;align-items:stretch}
      .btn-primary,.btn-secondary{width:100%}
      .hero-mini,.time-grid,.trust-grid,.footer-grid,.form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .rank-item{grid-template-columns:40px 1fr}
      .rank-item .meter{grid-column:1/-1;width:100%}
      .notice-bar{align-items:flex-start}
      .faq-a{padding-left:20px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --primary-soft: #eaf3ff;
      --primary-pale: #f1f7ff;
      --accent: #f59e0b;
      --ink: #0f172a;
      --text: #334155;
      --muted: #64748b;
      --light: #f8fafc;
      --panel: #ffffff;
      --line: #dbe7f5;
      --line-strong: #bcd3f0;
      --success: #16a34a;
      --danger: #dc2626;
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 24px;
      --radius-xl: 32px;
      --shadow-sm: 0 8px 24px rgba(15, 23, 42, .06);
      --shadow-md: 0 18px 45px rgba(15, 23, 42, .08);
      --shadow-lg: 0 28px 70px rgba(37, 99, 235, .14);
      --container: 1220px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

    * {
      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(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(37, 99, 235, .12), transparent 34%),
        radial-gradient(circle at 90% 4%, rgba(245, 158, 11, .09), transparent 30%),
        linear-gradient(180deg, #f8fbff 0%, #ffffff 42%, #f7faff 100%);
      line-height: 1.75;
      min-width: 320px;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button, input, select {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

    input, select {
      outline: none;
    }

    ::selection {
      background: rgba(37, 99, 235, .18);
      color: var(--ink);
    }

    .container {
      width: min(var(--container), calc(100% - 64px));
      margin: 0 auto;
    }

    .site-header {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 50;
      padding: 0 24px;
      transition: top .25s var(--ease);
    }

    .nav-shell {
      width: min(var(--container), 100%);
      margin: 0 auto;
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 12px 14px 12px 18px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .68);
      border: 1px solid rgba(191, 219, 254, .78);
      box-shadow: 0 18px 48px rgba(15, 23, 42, .08);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      transition: all .28s var(--ease);
    }

    .site-header.is-scrolled {
      top: 10px;
    }

    .site-header.is-scrolled .nav-shell {
      background: rgba(255, 255, 255, .95);
      border-color: rgba(203, 213, 225, .9);
      box-shadow: 0 16px 42px rgba(15, 23, 42, .12);
    }

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

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background:
        linear-gradient(135deg, var(--primary) 0%, #60a5fa 65%, var(--accent) 100%);
      box-shadow: 0 12px 24px rgba(37, 99, 235, .25);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px -16px auto auto;
      width: 44px;
      height: 8px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .34);
      transform: rotate(-28deg);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.18;
    }

    .brand-name {
      font-weight: 850;
      color: var(--ink);
      letter-spacing: -.02em;
      font-size: 16px;
    }

    .brand-note {
      font-size: 12px;
      color: var(--muted);
      margin-top: 3px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }

    .nav-links a,
    .mobile-panel a:not(.btn-primary) {
      color: #475569;
      font-weight: 700;
      font-size: 14px;
      padding: 10px 14px;
      border-radius: 999px;
      transition: all .22s var(--ease);
    }

    .nav-links a:hover,
    .mobile-panel a:not(.btn-primary):hover {
      color: var(--primary-dark);
      background: var(--primary-soft);
    }

    .nav-links a.active,
    .mobile-panel a.active {
      color: #fff;
      background: var(--primary);
      box-shadow: 0 10px 20px rgba(37, 99, 235, .18);
    }

    .nav-search {
      height: 44px;
      min-width: 210px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(248, 250, 252, .9);
      border: 1px solid rgba(203, 213, 225, .78);
      color: var(--muted);
      transition: all .22s var(--ease);
    }

    .nav-search:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
      background: #fff;
    }

    .nav-search input {
      width: 100%;
      border: 0;
      background: transparent;
      color: var(--ink);
      font-size: 14px;
    }

    .nav-search input::placeholder,
    .mobile-search input::placeholder {
      color: #94a3b8;
    }

    .nav-cta,
    .btn-primary,
    .btn-secondary,
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 800;
      transition: all .22s var(--ease);
      white-space: nowrap;
    }

    .nav-cta,
    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 14px 28px rgba(37, 99, 235, .22);
    }

    .nav-cta:hover,
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(37, 99, 235, .28);
      background: linear-gradient(135deg, #1d4ed8, #1e40af);
    }

    .btn-secondary {
      color: var(--primary-dark);
      background: #fff;
      border: 1px solid var(--line-strong);
      box-shadow: 0 10px 22px rgba(15, 23, 42, .05);
    }

    .btn-secondary:hover {
      background: var(--primary-soft);
      transform: translateY(-2px);
      border-color: rgba(37, 99, 235, .35);
    }

    .btn-ghost {
      color: var(--primary-dark);
      background: transparent;
      padding-inline: 10px;
    }

    .btn-ghost:hover {
      background: var(--primary-soft);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(37, 99, 235, .18);
      outline-offset: 3px;
    }

    .menu-toggle {
      width: 46px;
      height: 46px;
      display: none;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--line);
      position: relative;
    }

    .menu-toggle i,
    .menu-toggle i::before,
    .menu-toggle i::after {
      content: "";
      width: 18px;
      height: 2px;
      border-radius: 999px;
      background: var(--ink);
      display: block;
      transition: all .22s var(--ease);
      position: relative;
    }

    .menu-toggle i::before {
      position: absolute;
      top: -6px;
    }

    .menu-toggle i::after {
      position: absolute;
      top: 6px;
    }

    .menu-toggle.is-open i {
      background: transparent;
    }

    .menu-toggle.is-open i::before {
      top: 0;
      transform: rotate(45deg);
    }

    .menu-toggle.is-open i::after {
      top: 0;
      transform: rotate(-45deg);
    }

    .mobile-panel {
      display: none;
      width: min(var(--container), calc(100% - 48px));
      margin: 10px auto 0;
      padding: 16px;
      border-radius: 24px;
      background: rgba(255, 255, 255, .94);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-md);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .mobile-panel.is-open {
      display: grid;
      gap: 10px;
    }

    .mobile-search input {
      width: 100%;
      height: 48px;
      border: 1px solid var(--line);
      background: #fff;
      border-radius: 16px;
      padding: 0 14px;
      color: var(--ink);
    }

    .page-hero {
      position: relative;
      padding: 154px 0 72px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(234, 243, 255, .88), rgba(255, 255, 255, .9) 45%, rgba(248, 250, 252, .96)),
        radial-gradient(circle at 78% 22%, rgba(37, 99, 235, .16), transparent 34%);
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(120deg, rgba(37, 99, 235, .08) 0 1px, transparent 1px 72px),
        linear-gradient(60deg, rgba(245, 158, 11, .08) 0 1px, transparent 1px 92px);
      opacity: .7;
      pointer-events: none;
    }

    .hero-layout {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) 440px;
      gap: 36px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(37, 99, 235, .09);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 850;
      border: 1px solid rgba(37, 99, 235, .18);
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(245, 158, 11, .14);
    }

    h1 {
      margin: 0;
      color: var(--ink);
      font-size: clamp(38px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: -.045em;
      font-weight: 900;
    }

    .hero-summary {
      max-width: 720px;
      margin: 20px 0 0;
      color: #475569;
      font-size: 17px;
      line-height: 1.85;
    }

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

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
    }

    .mini-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .8);
      border: 1px solid var(--line);
      color: #475569;
      font-size: 13px;
      font-weight: 700;
      box-shadow: 0 8px 18px rgba(15, 23, 42, .04);
    }

    .mini-badge span {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
    }

    .release-panel {
      border-radius: 30px;
      padding: 26px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid rgba(188, 211, 240, .72);
      box-shadow: var(--shadow-lg);
      backdrop-filter: blur(18px);
      position: relative;
      overflow: hidden;
    }

    .release-panel::after {
      content: "";
      position: absolute;
      right: -62px;
      top: -62px;
      width: 190px;
      height: 190px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(37, 99, 235, .16), transparent 68%);
    }

    .panel-top {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: flex-start;
      position: relative;
      z-index: 1;
    }

    .panel-label {
      font-size: 13px;
      font-weight: 900;
      color: var(--primary-dark);
      letter-spacing: .04em;
    }

    .panel-title {
      margin-top: 6px;
      color: var(--ink);
      font-size: 24px;
      font-weight: 900;
      line-height: 1.28;
    }

    .count-ring {
      width: 106px;
      height: 106px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background:
        conic-gradient(var(--primary) 0 76%, rgba(219, 234, 254, .95) 76% 100%);
      box-shadow: inset 0 0 0 10px rgba(255, 255, 255, .92), 0 18px 28px rgba(37, 99, 235, .14);
      color: var(--ink);
      flex: 0 0 auto;
    }

    .count-ring strong {
      display: block;
      font-size: 26px;
      line-height: 1;
      font-weight: 950;
      text-align: center;
    }

    .count-ring small {
      display: block;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      margin-top: 4px;
      text-align: center;
    }

    .point-list {
      margin: 24px 0 0;
      display: grid;
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .point-item {
      display: grid;
      grid-template-columns: 38px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 18px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 8px 20px rgba(15, 23, 42, .04);
      transition: all .22s var(--ease);
    }

    .point-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-sm);
      border-color: rgba(37, 99, 235, .26);
    }

    .point-no {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-weight: 950;
    }

    .point-name {
      color: var(--ink);
      font-weight: 900;
      line-height: 1.3;
    }

    .point-desc {
      color: var(--muted);
      font-size: 13px;
      margin-top: 2px;
    }

    .point-status {
      color: var(--success);
      font-size: 12px;
      font-weight: 900;
      background: rgba(22, 163, 74, .09);
      padding: 5px 8px;
      border-radius: 999px;
    }

    .section {
      padding: 78px 0;
      position: relative;
    }

    .section.compact {
      padding: 56px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .85fr) minmax(320px, .55fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      color: var(--primary-dark);
      font-weight: 900;
      font-size: 13px;
      letter-spacing: .06em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    h2 {
      margin: 0;
      color: var(--ink);
      font-size: clamp(28px, 3.2vw, 38px);
      line-height: 1.22;
      letter-spacing: -.03em;
      font-weight: 900;
    }

    h3 {
      margin: 0;
      color: var(--ink);
      font-size: 20px;
      line-height: 1.35;
      font-weight: 900;
    }

    .section-intro {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
    }

    .filter-board {
      padding: 18px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-md);
    }

    .filter-row {
      display: grid;
      grid-template-columns: 1fr auto auto;
      gap: 14px;
      align-items: center;
    }

    .filter-search {
      position: relative;
    }

    .filter-search input {
      width: 100%;
      height: 52px;
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 0 16px 0 44px;
      background: var(--light);
      color: var(--ink);
      transition: all .2s var(--ease);
    }

    .filter-search input:focus {
      border-color: var(--primary);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .1);
    }

    .filter-search svg {
      position: absolute;
      left: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: #94a3b8;
    }

    .select-pill {
      height: 52px;
      padding: 0 18px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: #fff;
      color: var(--ink);
      font-weight: 800;
      min-width: 142px;
    }

    .chip-row {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 16px;
    }

    .chip {
      border: 1px solid var(--line);
      background: var(--light);
      color: #475569;
      padding: 9px 13px;
      border-radius: 999px;
      font-weight: 800;
      font-size: 13px;
      transition: all .2s var(--ease);
    }

    .chip:hover,
    .chip.active {
      color: #fff;
      background: var(--primary);
      border-color: var(--primary);
      box-shadow: 0 10px 18px rgba(37, 99, 235, .18);
      transform: translateY(-1px);
    }

    .content-area {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 28px;
      align-items: start;
    }

    .featured-strip {
      padding: 28px;
      border-radius: 30px;
      background:
        linear-gradient(135deg, #0f172a, #1e3a8a 58%, #2563eb);
      color: #fff;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
      min-height: 220px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 210px;
      gap: 22px;
      align-items: center;
      margin-bottom: 22px;
    }

    .featured-strip::after {
      content: "";
      position: absolute;
      right: -50px;
      bottom: -80px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      border: 32px solid rgba(255, 255, 255, .08);
    }

    .feature-content {
      position: relative;
      z-index: 1;
    }

    .feature-tag {
      display: inline-flex;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(245, 158, 11, .18);
      border: 1px solid rgba(245, 158, 11, .42);
      color: #fde68a;
      font-weight: 900;
      font-size: 12px;
      margin-bottom: 12px;
    }

    .featured-strip h2 {
      color: #fff;
      font-size: clamp(24px, 3vw, 34px);
    }

    .featured-strip p {
      color: rgba(255, 255, 255, .78);
      margin: 14px 0 20px;
      max-width: 620px;
    }

    .feature-metrics {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
    }

    .metric-box {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .2);
      backdrop-filter: blur(10px);
    }

    .metric-box strong {
      display: block;
      color: #fff;
      font-size: 24px;
      line-height: 1;
      font-weight: 950;
    }

    .metric-box span {
      display: block;
      color: rgba(255, 255, 255, .7);
      margin-top: 6px;
      font-size: 12px;
      font-weight: 800;
    }

    .list-stack {
      display: grid;
      gap: 16px;
    }

    .content-card {
      display: grid;
      grid-template-columns: 112px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 12px 28px rgba(15, 23, 42, .055);
      transition: all .24s var(--ease);
    }

    .content-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(37, 99, 235, .28);
    }

    .card-code {
      min-height: 92px;
      border-radius: 20px;
      background:
        linear-gradient(135deg, var(--primary-soft), #fff),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, .2), transparent 46%);
      border: 1px solid rgba(37, 99, 235, .12);
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      font-weight: 950;
      font-size: 26px;
      position: relative;
      overflow: hidden;
    }

    .card-code::after {
      content: "";
      position: absolute;
      left: -12px;
      bottom: 18px;
      width: 70px;
      height: 8px;
      border-radius: 999px;
      background: rgba(37, 99, 235, .14);
      transform: rotate(-28deg);
    }

    .content-main .meta {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 8px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 9px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-size: 12px;
      font-weight: 900;
      transition: all .2s var(--ease);
    }

    .tag.gold {
      background: rgba(245, 158, 11, .13);
      color: #b45309;
    }

    .content-card:hover .tag:first-child {
      color: #fff;
      background: var(--primary);
    }

    .content-main p {
      margin: 8px 0 0;
      color: var(--muted);
      line-height: 1.72;
      font-size: 15px;
    }

    .card-action {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--primary-dark);
      font-weight: 900;
      white-space: nowrap;
      padding: 10px 12px;
      border-radius: 999px;
      transition: all .2s var(--ease);
    }

    .card-action span {
      transition: transform .2s var(--ease);
    }

    .card-action:hover {
      background: var(--primary-soft);
    }

    .card-action:hover span {
      transform: translateX(3px);
    }

    .sidebar {
      position: sticky;
      top: 112px;
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 22px;
      border-radius: 24px;
      background: rgba(255, 255, 255, .88);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .side-card h3 {
      font-size: 18px;
      margin-bottom: 12px;
    }

    .rule-list {
      display: grid;
      gap: 11px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .rule-list li {
      display: flex;
      gap: 10px;
      color: #475569;
      font-size: 14px;
    }

    .rule-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      flex: 0 0 auto;
      margin-top: 10px;
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .11);
    }

    .keyword-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .keyword-cloud a {
      padding: 8px 10px;
      border-radius: 999px;
      background: var(--light);
      border: 1px solid var(--line);
      color: #475569;
      font-size: 13px;
      font-weight: 800;
      transition: all .2s var(--ease);
    }

    .keyword-cloud a:hover {
      color: #fff;
      background: var(--primary);
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    .notice-banner {
      display: grid;
      grid-template-columns: 54px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 22px;
      border-radius: 26px;
      background: linear-gradient(135deg, var(--primary-soft), #fff);
      border: 1px solid rgba(37, 99, 235, .14);
      box-shadow: var(--shadow-sm);
    }

    .notice-icon {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--primary);
      font-weight: 950;
      box-shadow: 0 14px 24px rgba(37, 99, 235, .2);
    }

    .notice-banner strong {
      display: block;
      color: var(--ink);
      font-size: 18px;
      font-weight: 900;
    }

    .notice-banner p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .steps {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 28px;
      align-items: stretch;
    }

    .step-lead {
      padding: 30px;
      border-radius: 30px;
      background: var(--ink);
      color: #fff;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }

    .step-lead::after {
      content: "";
      position: absolute;
      right: -70px;
      top: 40px;
      width: 180px;
      height: 180px;
      border: 24px solid rgba(255, 255, 255, .08);
      border-radius: 50%;
    }

    .step-lead h2 {
      color: #fff;
    }

    .step-lead p {
      color: rgba(255, 255, 255, .74);
      margin: 14px 0 0;
    }

    .step-grid {
      display: grid;
      gap: 14px;
    }

    .step-item {
      padding: 20px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 14px;
      transition: all .22s var(--ease);
    }

    .step-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .step-num {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 950;
    }

    .step-item p {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .pagination {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 26px;
    }

    .page-btn {
      min-width: 44px;
      height: 44px;
      display: inline-grid;
      place-items: center;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
      color: #475569;
      font-weight: 900;
      transition: all .2s var(--ease);
    }

    .page-btn:hover {
      background: var(--primary-soft);
      color: var(--primary-dark);
      transform: translateY(-1px);
    }

    .page-btn.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      box-shadow: 0 12px 22px rgba(37, 99, 235, .18);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 360px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 10px 26px rgba(15, 23, 42, .05);
      overflow: hidden;
      transition: all .22s var(--ease);
    }

    .faq-item:hover {
      border-color: rgba(37, 99, 235, .26);
    }

    .faq-question {
      width: 100%;
      padding: 18px 20px;
      display: grid;
      grid-template-columns: 36px 1fr 24px;
      gap: 12px;
      align-items: center;
      text-align: left;
      color: var(--ink);
      font-weight: 900;
    }

    .faq-no {
      width: 36px;
      height: 36px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 950;
      font-size: 13px;
    }

    .faq-plus {
      width: 22px;
      height: 22px;
      position: relative;
      transition: transform .22s var(--ease);
    }

    .faq-plus::before,
    .faq-plus::after {
      content: "";
      position: absolute;
      inset: 10px 2px auto;
      height: 2px;
      border-radius: 999px;
      background: var(--primary-dark);
    }

    .faq-plus::after {
      transform: rotate(90deg);
    }

    .faq-item.is-open .faq-plus {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px 68px;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .cta-panel {
      border-radius: 34px;
      padding: 34px;
      background:
        linear-gradient(135deg, #eaf3ff, #ffffff 48%, #f8fafc),
        radial-gradient(circle at 86% 18%, rgba(37, 99, 235, .14), transparent 32%);
      border: 1px solid rgba(37, 99, 235, .14);
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: minmax(0, .92fr) minmax(340px, .72fr);
      gap: 28px;
      align-items: center;
      overflow: hidden;
      position: relative;
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      right: -54px;
      bottom: -76px;
      width: 230px;
      height: 230px;
      border-radius: 50%;
      border: 30px solid rgba(37, 99, 235, .07);
    }

    .cta-panel > * {
      position: relative;
      z-index: 1;
    }

    .cta-panel p {
      margin: 14px 0 0;
      color: var(--muted);
    }

    .subscribe-form {
      padding: 20px;
      border-radius: 24px;
      background: rgba(255, 255, 255, .86);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      display: grid;
      gap: 12px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .field {
      display: grid;
      gap: 6px;
    }

    .field label {
      color: var(--ink);
      font-size: 13px;
      font-weight: 900;
    }

    .field input,
    .field select {
      width: 100%;
      height: 50px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #fff;
      padding: 0 14px;
      color: var(--ink);
      transition: all .2s var(--ease);
    }

    .field input:focus,
    .field select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .1);
    }

    .check-line {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: #475569;
      font-size: 13px;
      line-height: 1.6;
    }

    .check-line input {
      width: 18px;
      height: 18px;
      margin-top: 2px;
      accent-color: var(--primary);
      flex: 0 0 auto;
    }

    .form-hint {
      font-size: 12px;
      color: var(--muted);
    }

    .form-hint.success {
      color: var(--success);
    }

    .form-hint.error {
      color: var(--danger);
    }

    .site-footer {
      padding: 56px 0 26px;
      background: #f1f5f9;
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .7fr .7fr 1fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand p {
      margin: 16px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      max-width: 360px;
    }

    .footer-title {
      color: var(--ink);
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: #64748b;
      font-size: 14px;
      transition: all .2s var(--ease);
    }

    .footer-links a:hover {
      color: var(--primary-dark);
      transform: translateX(2px);
    }

    .footer-note {
      padding: 18px;
      border-radius: 20px;
      background: #fff;
      border: 1px solid var(--line);
      color: #475569;
      font-size: 14px;
      line-height: 1.8;
    }

    .copyright {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(203, 213, 225, .9);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: #64748b;
      font-size: 13px;
    }

    .article-shell {
      max-width: 820px;
      margin: 0 auto;
      line-height: 1.85;
    }

    .article-shell h2 {
      border-left: 5px solid var(--primary);
      padding-left: 14px;
      margin-top: 34px;
    }

    .article-shell blockquote {
      margin: 22px 0;
      padding: 18px 20px;
      border-radius: 18px;
      background: var(--primary-soft);
      border: 1px solid var(--line);
      color: #475569;
    }

    @media (max-width: 1120px) {
      .nav-search {
        display: none;
      }

      .hero-layout,
      .content-area,
      .steps,
      .faq-wrap,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .release-panel,
      .sidebar {
        max-width: 720px;
      }

      .sidebar {
        position: static;
      }

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

    @media (max-width: 860px) {
      .container {
        width: min(100% - 40px, var(--container));
      }

      .site-header {
        top: 12px;
        padding: 0 16px;
      }

      .nav-shell {
        min-height: 68px;
        padding: 10px 12px;
        border-radius: 24px;
      }

      .nav-links,
      .nav-cta {
        display: none;
      }

      .menu-toggle {
        display: flex;
        margin-left: auto;
      }

      .brand-mark {
        width: 42px;
        height: 42px;
        border-radius: 14px;
      }

      .brand-name {
        font-size: 14px;
      }

      .brand-note {
        font-size: 11px;
      }

      .page-hero {
        padding: 128px 0 54px;
      }

      .section {
        padding: 58px 0;
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .filter-row {
        grid-template-columns: 1fr;
      }

      .select-pill {
        width: 100%;
      }

      .featured-strip {
        grid-template-columns: 1fr;
      }

      .feature-metrics {
        grid-template-columns: 1fr 1fr;
      }

      .content-card {
        grid-template-columns: 88px 1fr;
      }

      .content-card .card-action {
        grid-column: 2;
        justify-content: flex-start;
        padding-left: 0;
      }

      .notice-banner {
        grid-template-columns: 1fr;
      }

      .notice-icon {
        width: 48px;
        height: 48px;
      }

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

    @media (max-width: 560px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .mobile-panel {
        width: calc(100% - 32px);
      }

      h1 {
        font-size: 36px;
      }

      .hero-summary {
        font-size: 15px;
      }

      .hero-actions,
      .btn-primary,
      .btn-secondary {
        width: 100%;
      }

      .panel-top {
        flex-direction: column;
      }

      .count-ring {
        width: 96px;
        height: 96px;
      }

      .point-item {
        grid-template-columns: 34px 1fr;
      }

      .point-status {
        grid-column: 2;
        width: fit-content;
      }

      .filter-board {
        padding: 14px;
        border-radius: 22px;
      }

      .chip-row {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .chip {
        flex: 0 0 auto;
      }

      .featured-strip,
      .cta-panel,
      .step-lead {
        padding: 22px;
        border-radius: 24px;
      }

      .feature-metrics {
        grid-template-columns: 1fr;
      }

      .content-card {
        grid-template-columns: 1fr;
      }

      .card-code {
        min-height: 72px;
      }

      .content-card .card-action {
        grid-column: auto;
      }

      .faq-question {
        grid-template-columns: 32px 1fr 22px;
        padding: 16px;
      }

      .faq-no {
        width: 32px;
        height: 32px;
      }

      .faq-answer {
        padding: 0 16px 18px 60px;
      }

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

      .copyright {
        flex-direction: column;
      }
    }