/* roulang page: index */
:root{
    --ink:#0b1022;
    --navy:#1a1f3d;
    --navy-2:#242b52;
    --navy-3:#303a6b;
    --gold:#ffb400;
    --gold-2:#ffd166;
    --cyan:#4dd6ff;
    --bg:#f5f6fb;
    --bg-alt:#eceffa;
    --surface:#ffffff;
    --text:#1b1f33;
    --muted:#5c6380;
    --line:#e3e6f2;
    --radius:12px;
    --radius-lg:18px;
    --shadow-sm:0 2px 10px rgba(17,22,51,.06);
    --shadow-md:0 12px 32px rgba(17,22,51,.10);
    --shadow-lg:0 22px 50px rgba(11,16,34,.18);
    --space:88px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.72;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer}
  input,select,textarea{font-family:inherit;font-size:15px}
  h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.2px}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:3px solid rgba(77,214,255,.75);outline-offset:3px;border-radius:6px}
  .container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

  /* ---------- 顶部导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:linear-gradient(180deg,#141936 0%,#1a1f3d 100%);box-shadow:0 8px 26px rgba(9,13,30,.28)}
  .topbar-inner{display:flex;align-items:center;gap:26px;min-height:72px}
  .brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
  .brand-mark{
    width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
    background:linear-gradient(140deg,var(--gold) 0%,#ff8a00 100%);
    color:#181026;font-weight:800;font-size:19px;letter-spacing:0;
    box-shadow:0 6px 16px rgba(255,180,0,.35);
  }
  .brand-text{display:flex;flex-direction:column;color:#fff;font-weight:700;font-size:17px;line-height:1.2;letter-spacing:.3px}
  .brand-text em{font-style:normal;font-size:11px;font-weight:500;color:rgba(255,255,255,.55);letter-spacing:1.6px;margin-top:4px}
  .main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
  .nav-link{
    position:relative;padding:9px 14px;border-radius:9px;font-size:14.5px;color:rgba(255,255,255,.74);
    transition:color .18s ease,background .18s ease;white-space:nowrap;
  }
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
  .nav-link.is-active{color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-2) 100%);font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28)}
  .nav-cta{
    display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:700;
    color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);
    box-shadow:0 8px 20px rgba(255,150,0,.28);transition:transform .18s ease,box-shadow .18s ease;
  }
  .nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,150,0,.36)}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.06);color:#fff;font-size:18px;line-height:1;
  }
  .mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid rgba(255,255,255,.08)}
  .mobile-nav a{display:block;padding:11px 6px;color:rgba(255,255,255,.8);font-size:15px;border-radius:8px}
  .mobile-nav a.is-active{color:var(--gold);font-weight:700}
  .mobile-nav.is-open{display:block}

  /* ---------- 进度步骤导航 ---------- */
  .stepbar{background:#12172f;border-top:1px solid rgba(255,255,255,.06)}
  .stepbar-inner{display:flex;align-items:center;gap:0;padding:0;overflow-x:auto;scrollbar-width:none}
  .stepbar-inner::-webkit-scrollbar{display:none}
  .step-item{
    position:relative;display:flex;align-items:center;gap:10px;padding:13px 22px 13px 0;
    color:rgba(255,255,255,.62);font-size:13.5px;white-space:nowrap;transition:color .18s ease;
  }
  .step-item:hover{color:var(--gold-2)}
  .step-dot{
    width:22px;height:22px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
    font-size:11px;font-weight:700;color:#12172f;background:linear-gradient(135deg,var(--gold),#ff9500);
  }
  .step-item::after{content:"";width:34px;height:1px;background:rgba(255,255,255,.18);margin-left:16px}
  .step-item:last-child::after{display:none}

  /* ---------- 按钮与标签 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    padding:13px 26px;border-radius:11px;font-size:15px;font-weight:700;border:1px solid transparent;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  }
  .btn-gold{color:#1d1330;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);box-shadow:0 10px 26px rgba(255,150,0,.32)}
  .btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,150,0,.42)}
  .btn-ghost{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.06)}
  .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
  .btn-dark{color:#fff;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));box-shadow:0 10px 24px rgba(26,31,61,.28)}
  .btn-dark:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(26,31,61,.34)}
  .btn-block{width:100%}
  .tag{
    display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
    font-size:12.5px;font-weight:600;background:rgba(255,180,0,.14);color:#a86a00;border:1px solid rgba(255,180,0,.3);
  }
  .tag-cyan{background:rgba(77,214,255,.14);color:#0a6f8c;border-color:rgba(77,214,255,.35)}
  .tag-dark{background:rgba(26,31,61,.07);color:#3a4166;border-color:rgba(26,31,61,.12)}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;color:#fff;background:var(--ink);padding:76px 0 0}
  .hero-bg{
    position:absolute;inset:0;
    background:url('/assets/images/用户界面.webp') center/cover no-repeat;
    opacity:.30;transform:scale(1.04);
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(900px 420px at 12% 0%,rgba(77,214,255,.24),transparent 62%),
      radial-gradient(760px 420px at 88% 12%,rgba(255,180,0,.22),transparent 60%),
      linear-gradient(160deg,rgba(11,16,34,.95) 0%,rgba(26,31,61,.92) 55%,rgba(11,16,34,.97) 100%);
  }
  .hero-inner{position:relative;z-index:2;max-width:900px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
    background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
    color:var(--gold-2);font-size:13px;font-weight:600;letter-spacing:.6px;
  }
  .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(77,214,255,.18);display:inline-block}
  .hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;letter-spacing:-.8px;margin:22px 0 20px;line-height:1.22}
  .hero h1 span{color:var(--gold-2)}
  .hero-lead{max-width:780px;color:rgba(255,255,255,.78);font-size:16.5px;line-height:1.85}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
  .hero-stat b{display:block;font-size:26px;font-weight:800;color:var(--gold-2);line-height:1.1}
  .hero-stat span{font-size:13px;color:rgba(255,255,255,.6)}

  .node-strip{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:34px 0 58px}
  .node-card{
    background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
    padding:18px 18px 16px;backdrop-filter:blur(6px);transition:transform .2s ease,border-color .2s ease,background .2s ease;
  }
  .node-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.45);background:rgba(255,255,255,.09)}
  .node-num{font-size:11.5px;font-weight:700;letter-spacing:1.4px;color:var(--cyan);text-transform:uppercase}
  .node-card h3{font-size:16px;margin:8px 0 8px;color:#fff}
  .node-card p{font-size:13px;color:rgba(255,255,255,.62);line-height:1.66;min-height:44px}
  .node-tag{display:inline-block;margin-top:12px;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:700;
    background:rgba(77,214,255,.16);color:#8fe6ff;border:1px solid rgba(77,214,255,.3)}
  .node-card.is-done .node-tag{background:rgba(255,180,0,.16);color:var(--gold-2);border-color:rgba(255,180,0,.34)}

  /* ---------- 通用板块 ---------- */
  .section{padding:var(--space) 0;position:relative}
  .section-alt{background:var(--bg-alt)}
  .section-dark{background:linear-gradient(165deg,#141936 0%,#1a1f3d 62%,#101530 100%);color:#fff}
  .section-head{max-width:760px;margin-bottom:44px}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .section-kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;color:#b3801a;margin-bottom:12px}
  .section-dark .section-kicker{color:var(--gold)}
  .section-title{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.4px}
  .section-sub{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}
  .section-dark .section-sub{color:rgba(255,255,255,.7)}

  /* ---------- 痛点 ---------- */
  .pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .pain-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .pain-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
  .pain-icon{
    width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;
    background:linear-gradient(140deg,rgba(255,180,0,.2),rgba(77,214,255,.16));color:#8a5b00;margin-bottom:16px;
  }
  .pain-card h3{font-size:17px;margin-bottom:9px}
  .pain-card p{font-size:14px;color:var(--muted);line-height:1.75}

  /* ---------- 机制拆解 ---------- */
  .solve-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
  .solve-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px dashed var(--line)}
  .solve-item:first-child{padding-top:0}
  .solve-item:last-child{border-bottom:0;padding-bottom:0}
  .solve-index{
    flex-shrink:0;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
    font-weight:800;font-size:16px;color:#1d1330;background:linear-gradient(135deg,var(--gold),#ff9500);
    box-shadow:0 8px 18px rgba(255,150,0,.28);
  }
  .solve-body h3{font-size:17.5px;margin-bottom:7px}
  .solve-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
  .solve-visual{
    position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);
  }
  .solve-visual img{width:100%;height:340px;object-fit:cover}
  .solve-visual figcaption{
    position:absolute;left:0;right:0;bottom:0;padding:44px 22px 18px;color:#fff;font-size:14px;line-height:1.7;
    background:linear-gradient(180deg,rgba(11,16,34,0) 0%,rgba(11,16,34,.9) 100%);
  }
  .solve-visual figcaption b{color:var(--gold-2)}

  /* ---------- 版本路线图 ---------- */
  .timeline{position:relative;display:grid;gap:26px;padding-left:34px}
  .timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(77,214,255,.6),rgba(255,255,255,.08))}
  .tl-item{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);padding:22px 24px;transition:border-color .2s ease,background .2s ease,transform .2s ease}
  .tl-item:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.42);transform:translateX(4px)}
  .tl-item::before{content:"";position:absolute;left:-31px;top:28px;width:12px;height:12px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.2)}
  .tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px}
  .tl-head h3{font-size:17px;color:#fff}
  .tl-ver{font-size:12px;font-weight:700;letter-spacing:1px;color:#8fe6ff;border:1px solid rgba(77,214,255,.34);background:rgba(77,214,255,.12);padding:3px 10px;border-radius:999px}
  .tl-item p{font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.8}

  /* ---------- 场景演示 ---------- */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
  .scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
  .scene-media{position:relative;height:186px;overflow:hidden}
  .scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
  .scene-card:hover .scene-media img{transform:scale(1.06)}
  .scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,34,0) 35%,rgba(11,16,34,.72) 100%)}
  .scene-badge{position:absolute;left:14px;bottom:14px;z-index:2;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;color:#1d1330;background:linear-gradient(135deg,var(--gold),#ff9500)}
  .scene-body{padding:20px 22px 24px}
  .scene-body h3{font-size:17px;margin-bottom:9px}
  .scene-body p{font-size:14px;color:var(--muted);line-height:1.78}
  .scene-list{margin-top:14px;display:grid;gap:7px}
  .scene-list li{font-size:13.5px;color:#42496b;padding-left:16px;position:relative}
  .scene-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}

  /* ---------- 分类入口墙 ---------- */
  .topic-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .topic-card{
    display:block;position:relative;padding:28px 26px 26px;border-radius:var(--radius-lg);
    background:linear-gradient(150deg,#ffffff 0%,#f4f6ff 100%);border:1px solid var(--line);
    box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .topic-card::after{
    content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,180,0,.22),transparent 70%);transition:transform .3s ease;
  }
  .topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55)}
  .topic-card:hover::after{transform:scale(1.25)}
  .topic-card h3{font-size:19px;margin:12px 0 10px;position:relative;z-index:2}
  .topic-card p{font-size:14px;color:var(--muted);line-height:1.78;position:relative;z-index:2}
  .topic-more{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:13.5px;font-weight:700;color:#a86a00;position:relative;z-index:2}
  .topic-card:hover .topic-more{color:#7d4f00}

  /* ---------- 数据指标带 ---------- */
  .metric-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border-radius:var(--radius);overflow:hidden;margin-top:8px}
  .metric{background:#161b38;padding:30px 24px;text-align:center}
  .metric b{display:block;font-size:30px;font-weight:800;color:var(--gold-2);line-height:1.1;letter-spacing:-.5px}
  .metric span{display:block;margin-top:9px;font-size:13.5px;color:rgba(255,255,255,.62)}

  /* ---------- 口碑 ---------- */
  .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .quote-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
  .quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
  .quote-mark{font-size:30px;line-height:1;color:rgba(255,180,0,.55);font-weight:800}
  .quote-card p{font-size:14.5px;color:#3b4162;line-height:1.85;margin:10px 0 18px}
  .quote-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:15px}
  .quote-avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:14px;color:#1d1330;background:linear-gradient(135deg,var(--gold-2),#ff9500)}
  .quote-user b{display:block;font-size:14px;color:var(--text)}
  .quote-user span{font-size:12.5px;color:var(--muted)}

  /* ---------- 资讯 ---------- */
  .news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start}
  .news-list{display:grid;gap:14px}
  .news-item{
    display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .news-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(77,214,255,.55)}
  .news-meta{display:flex;align-items:center;gap:12px;margin-bottom:9px;font-size:12.5px;color:var(--muted)}
  .news-cat{padding:2px 10px;border-radius:999px;background:rgba(26,31,61,.06);color:#3a4166;font-weight:600}
  .news-title{font-size:16.5px;line-height:1.55;color:var(--text);transition:color .18s ease}
  .news-item:hover .news-title{color:#a86a00}
  .news-excerpt{margin-top:8px;font-size:13.8px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .news-empty{background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);padding:36px 24px;text-align:center;color:var(--muted);font-size:14.5px}
  .news-side{background:linear-gradient(165deg,#1a1f3d 0%,#12172f 100%);border-radius:var(--radius-lg);padding:26px 24px;color:#fff;box-shadow:var(--shadow-md)}
  .news-side h3{font-size:16.5px;margin-bottom:6px}
  .news-side .side-note{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:18px}
  .side-item{display:block;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1);transition:padding-left .18s ease}
  .side-item:last-child{border-bottom:0}
  .side-item:hover{padding-left:6px}
  .side-item b{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,.9);line-height:1.6}
  .side-item:hover b{color:var(--gold-2)}
  .side-item span{display:block;margin-top:5px;font-size:12px;color:rgba(255,255,255,.45)}

  /* ---------- 专题索引 ---------- */
  .series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .series-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px;
    display:flex;gap:14px;align-items:flex-start;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .series-card:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
  .series-no{flex-shrink:0;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:800;color:#1d1330;background:linear-gradient(135deg,var(--gold-2),#ff9500)}
  .series-card h4{font-size:15px;margin-bottom:6px}
  .series-card p{font-size:13px;color:var(--muted);line-height:1.7}

  /* ---------- 三步 ---------- */
  .step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .step-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;position:relative;box-shadow:var(--shadow-sm)}
  .step-card::before{content:"";position:absolute;left:24px;top:0;width:46px;height:3px;border-radius:0 0 4px 4px;background:linear-gradient(90deg,var(--gold),#ff9500)}
  .step-card .step-no{font-size:12.5px;font-weight:800;letter-spacing:2px;color:#b3801a;margin-bottom:14px;display:block}
  .step-card h3{font-size:18px;margin-bottom:10px}
  .step-card p{font-size:14px;color:var(--muted);line-height:1.8}

  /* ---------- 套餐对比 ---------- */
  .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
  .plan{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;
    display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .plan:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
  .plan.featured{
    border:1.5px solid rgba(255,180,0,.7);
    background:linear-gradient(170deg,#fffdf6 0%,#ffffff 60%);
    box-shadow:0 16px 38px rgba(255,150,0,.16);
  }
  .plan-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
  .plan-head h3{font-size:19px}
  .plan-price{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
  .plan-price b{font-size:28px;font-weight:800;color:#a86a00;letter-spacing:-.5px}
  .plan-price span{font-size:13px;color:var(--muted)}
  .plan-desc{font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:18px}
  .plan-list{display:grid;gap:11px;margin-bottom:26px;flex:1}
  .plan-list li{display:flex;gap:9px;font-size:14px;color:#3b4162;line-height:1.7}
  .plan-list li i{flex-shrink:0;width:18px;height:18px;border-radius:50%;margin-top:4px;display:grid;place-items:center;font-size:11px;font-style:normal;color:#1d1330;background:rgba(255,180,0,.55)}

  /* ---------- 保障条 ---------- */
  .guard-band{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
  .guard{
    background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
    padding:22px 18px;text-align:center;transition:border-color .2s ease,background .2s ease;
  }
  .guard:hover{border-color:rgba(255,180,0,.45);background:rgba(255,255,255,.09)}
  .guard-icon{width:40px;height:40px;margin:0 auto 12px;border-radius:11px;display:grid;place-items:center;font-size:17px;
    background:linear-gradient(140deg,rgba(255,180,0,.26),rgba(77,214,255,.2));color:var(--gold-2)}
  .guard b{display:block;font-size:14.5px;color:#fff;margin-bottom:6px}
  .guard span{font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.6;display:block}

  /* ---------- FAQ ---------- */
  .faq{display:grid;gap:14px;max-width:920px;margin:0 auto}
  .faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .2s ease}
  .faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md)}
  .faq-q{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 24px;font-size:16px;font-weight:700;color:var(--text);
  }
  .faq-q::-webkit-details-marker{display:none}
  .faq-q::after{content:"+";flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:16px;font-weight:700;color:#1d1330;background:linear-gradient(135deg,var(--gold-2),#ff9500);transition:transform .2s ease}
  .faq-item[open] .faq-q::after{content:"−";transform:rotate(180deg)}
  .faq-a{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.9}

  /* ---------- 订阅表单 ---------- */
  .subscribe-wrap{
    background:linear-gradient(155deg,#1a1f3d 0%,#12172f 60%,#0b1022 100%);
    border-radius:var(--radius-lg);padding:52px 46px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg);
  }
  .subscribe-wrap::before{
    content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
  }
  .subscribe-wrap::after{
    content:"";position:absolute;left:-100px;bottom:-140px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(77,214,255,.22),transparent 68%);
  }
  .subscribe-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
  .subscribe-inner h2{font-size:clamp(23px,2.8vw,31px);font-weight:800;letter-spacing:-.4px;margin-bottom:14px}
  .subscribe-inner p{font-size:14.8px;color:rgba(255,255,255,.72);line-height:1.85}
  .sub-points{display:grid;gap:10px;margin-top:20px}
  .sub-points li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.82)}
  .sub-points li::before{content:"✓";flex-shrink:0;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;color:#1d1330;background:var(--gold-2);margin-top:3px}
  .sub-form{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:26px 24px;backdrop-filter:blur(6px)}
  .field{margin-bottom:15px}
  .field label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:7px;font-weight:600}
  .input,.select{
    width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
    background:rgba(11,16,34,.55);color:#fff;font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .input::placeholder{color:rgba(255,255,255,.38)}
  .input:focus,.select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.22)}
  .select option{color:#1b1f33}
  .form-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:12px;line-height:1.7}
  .form-tip{display:none;margin-top:14px;padding:11px 14px;border-radius:9px;font-size:13.5px;background:rgba(77,214,255,.14);border:1px solid rgba(77,214,255,.4);color:#a9ecff}
  .form-tip.show{display:block}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#0b1022;color:rgba(255,255,255,.66);padding:60px 0 26px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
  .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
  .footer-brand .brand-mark{width:38px;height:38px;font-size:18px}
  .footer-brand b{color:#fff;font-size:17px;letter-spacing:.4px}
  .footer-desc{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.55);max-width:340px}
  .footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;font-weight:700}
  .footer-col li{margin-bottom:10px}
  .footer-col a{font-size:13.8px;color:rgba(255,255,255,.6);transition:color .18s ease}
  .footer-col a:hover{color:var(--gold-2)}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:22px;font-size:12.8px;color:rgba(255,255,255,.42)}
  .footer-bottom a{color:rgba(255,255,255,.55)}
  .footer-bottom a:hover{color:var(--gold-2)}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    :root{--space:66px}
    .main-nav{display:none}
    .nav-cta{display:none}
    .nav-toggle{display:grid;place-items:center;margin-left:auto}
    .pain-grid{grid-template-columns:repeat(2,1fr)}
    .scene-grid{grid-template-columns:1fr 1fr}
    .topic-wall{grid-template-columns:1fr 1fr}
    .quote-grid{grid-template-columns:1fr 1fr}
    .metric-band{grid-template-columns:repeat(2,1fr)}
    .news-layout{grid-template-columns:1fr}
    .solve-layout{grid-template-columns:1fr;gap:30px}
    .solve-visual img{height:280px}
    .node-strip{grid-template-columns:1fr 1fr}
    .plan-grid{grid-template-columns:1fr}
    .step-grid{grid-template-columns:1fr}
    .guard-band{grid-template-columns:repeat(3,1fr)}
    .series-grid{grid-template-columns:1fr 1fr}
    .subscribe-inner{grid-template-columns:1fr;gap:30px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  }
  @media (max-width:768px){
    :root{--space:54px}
    .container{padding:0 18px}
    .hero{padding-top:54px}
    .hero-stats{gap:24px;margin-top:28px}
    .hero-stat b{font-size:22px}
    .node-strip{grid-template-columns:1fr;padding-bottom:44px}
    .scene-grid{grid-template-columns:1fr}
    .topic-wall{grid-template-columns:1fr}
    .quote-grid{grid-template-columns:1fr}
    .guard-band{grid-template-columns:1fr 1fr}
    .series-grid{grid-template-columns:1fr}
    .subscribe-wrap{padding:34px 22px}
    .sub-form{padding:22px 18px}
    .section-head{margin-bottom:32px}
    .faq-q{padding:17px 18px;font-size:15px}
    .faq-a{padding:0 18px 18px}
  }
  @media (max-width:520px){
    body{font-size:15px}
    .pain-grid{grid-template-columns:1fr}
    .metric-band{grid-template-columns:1fr}
    .guard-band{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .hero h1{font-size:27px}
    .hero-actions .btn{width:100%}
    .brand-text em{display:none}
    .step-item{padding-right:14px;font-size:12.5px}
    .step-item::after{width:20px;margin-left:10px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }

/* roulang page: article */
:root{
 --ink:#0b1022;
 --navy:#1a1f3d;
 --navy-2:#242b52;
 --navy-3:#303a6b;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --cyan:#4dd6ff;
 --bg:#f5f6fb;
 --bg-alt:#eceffa;
 --surface:#ffffff;
 --text:#1b1f33;
 --muted:#5c6380;
 --line:#e3e6f2;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 2px 10px rgba(17,22,51,.06);
 --shadow-md:0 12px 32px rgba(17,22,51,.10);
 --shadow-lg:0 22px 50px rgba(11,16,34,.18);
 --space:74px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:3px solid rgba(77,214,255,.65);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:var(--space) 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:linear-gradient(160deg,var(--navy) 0%,var(--ink) 100%);color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:1.4px;
 color:#a86a00;text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--gold),#ff8a00)}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.4px;line-height:1.35}
.section-desc{color:var(--muted);margin-top:12px;font-size:15.5px}
.section-dark .section-desc{color:rgba(255,255,255,.7)}
.section-dark .section-kicker{color:var(--gold-2)}
/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:linear-gradient(180deg,#141936 0%,#1a1f3d 100%);box-shadow:0 8px 26px rgba(9,13,30,.28)}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(140deg,var(--gold) 0%,#ff8a00 100%);
 color:#181026;font-weight:800;font-size:19px;line-height:1;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{display:flex;flex-direction:column;color:#fff;font-weight:700;font-size:17px;line-height:1.2;letter-spacing:.3px}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;color:rgba(255,255,255,.55);letter-spacing:1.6px;margin-top:4px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
 position:relative;padding:9px 14px;border-radius:9px;font-size:14.5px;color:rgba(255,255,255,.74);
 transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.is-active{color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-2) 100%);font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
 background:rgba(255,255,255,.06);color:#fff;font-size:18px;line-height:1;margin-left:auto;
}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid rgba(255,255,255,.08)}
.mobile-nav a{display:block;padding:11px 6px;color:rgba(255,255,255,.8);font-size:15px;border-radius:8px}
.mobile-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.mobile-nav.is-open{display:block}
.stepbar{display:flex;align-items:center;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);padding:2px 0 4px;overflow-x:auto;scrollbar-width:none}
.stepbar::-webkit-scrollbar{display:none}
.step-item{
 position:relative;display:flex;align-items:center;gap:10px;padding:12px 22px 12px 0;
 color:rgba(255,255,255,.62);font-size:13.5px;white-space:nowrap;transition:color .18s ease;
}
.step-item b{color:var(--gold-2);font-size:12px;letter-spacing:.5px}
.step-item:hover{color:var(--gold-2)}
.step-item::after{content:"";width:34px;height:1px;background:rgba(255,255,255,.18);margin-left:16px}
.step-item:last-child::after{display:none}
/* 按钮 & 标签 */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:11px;font-size:15px;font-weight:700;border:1px solid transparent;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-gold{color:#1d1330;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);box-shadow:0 10px 26px rgba(255,150,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,150,0,.42)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.btn-dark{color:#fff;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));box-shadow:0 10px 24px rgba(26,31,61,.28)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(26,31,61,.34)}
.btn-line{color:var(--navy);border-color:var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:var(--gold);color:#8a5a00;transform:translateY(-2px)}
.btn-block{width:100%}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:600;background:rgba(255,180,0,.14);color:#a86a00;border:1px solid rgba(255,180,0,.3);
}
.tag-cyan{background:rgba(77,214,255,.14);color:#0a6f8c;border-color:rgba(77,214,255,.35)}
.tag-dark{background:rgba(26,31,61,.07);color:#3a4166;border-color:rgba(26,31,61,.12)}
/* 文章头 */
.article-hero{
 position:relative;overflow:hidden;color:#fff;padding:56px 0 46px;
 background:linear-gradient(160deg,var(--ink) 0%,var(--navy) 62%,#1f2550 100%);
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(820px 380px at 10% 0%,rgba(77,214,255,.20),transparent 62%),
 radial-gradient(700px 380px at 92% 10%,rgba(255,180,0,.20),transparent 60%);
}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:var(--gold-2)}
.crumb span{opacity:.5}
.article-title{
 font-size:clamp(25px,3.4vw,40px);font-weight:800;line-height:1.32;letter-spacing:-.6px;margin:14px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13.5px;color:rgba(255,255,255,.66)}
.article-meta b{color:var(--gold-2);font-weight:700}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35)}
/* 正文布局 */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.article-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-md);padding:38px 40px;
}
.article-body{font-size:16.5px;color:#2a2f45;line-height:1.95;word-break:break-word}
.article-body p{margin:0 0 20px}
.article-body h2{font-size:24px;font-weight:800;margin:36px 0 16px;letter-spacing:-.3px;color:var(--navy);line-height:1.45}
.article-body h3{font-size:19px;font-weight:800;margin:28px 0 12px;color:var(--navy-2);line-height:1.5}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px;color:var(--navy-2)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,var(--gold),#ff8a00)}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
 content:counter(li);position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:5px;
 background:rgba(255,180,0,.16);color:#a86a00;font-size:12px;font-weight:800;display:grid;place-items:center;
}
.article-body img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-sm)}
.article-body blockquote{
 margin:24px 0;padding:16px 20px;border-left:4px solid var(--gold);border-radius:0 var(--radius) var(--radius) 0;
 background:rgba(255,180,0,.08);color:#4a4022;font-size:15.5px;
}
.article-body a{color:#0a6f8c;border-bottom:1px dashed rgba(10,111,140,.45)}
.article-body a:hover{color:#075468;border-bottom-style:solid}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--bg-alt);font-weight:700;color:var(--navy)}
.article-empty{text-align:center;padding:26px 6px 10px}
.article-empty h2{font-size:22px;font-weight:800;color:var(--navy);margin-bottom:10px}
.article-empty p{color:var(--muted);margin-bottom:22px}
.article-foot{
 margin-top:32px;padding-top:22px;border-top:1px dashed var(--line);
 display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13.5px;color:var(--muted);
}
/* 侧栏 */
.side-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:24px;margin-bottom:20px;
}
.side-card h3{font-size:16px;font-weight:800;color:var(--navy);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:8px;height:18px;border-radius:3px;background:linear-gradient(180deg,var(--gold),#ff8a00)}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#333a58;transition:color .16s ease}
.side-list a:hover{color:#a86a00}
.side-list i{
 font-style:normal;flex-shrink:0;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;
 background:rgba(26,31,61,.07);color:var(--navy);font-size:12px;font-weight:800;
}
.side-list a:hover i{background:rgba(255,180,0,.2);color:#a86a00}
.side-cover{width:100%;height:150px;object-fit:cover;border-radius:var(--radius);margin-bottom:16px}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.8}
.side-stat{display:flex;justify-content:space-between;align-items:baseline;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.side-stat:last-child{border-bottom:0}
.side-stat b{color:var(--navy);font-size:18px;font-weight:800}
/* 卡片网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:26px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.card h3{font-size:17px;font-weight:800;color:var(--navy);margin:12px 0 10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.card-num{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:15px;
 background:linear-gradient(135deg,var(--navy-2),var(--navy-3));color:var(--gold-2);
}
/* 版本节点 */
.roadmap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;position:relative}
.roadmap::before{
 content:"";position:absolute;left:0;right:0;top:22px;height:2px;
 background:linear-gradient(90deg,rgba(255,180,0,.7),rgba(77,214,255,.55),rgba(255,255,255,.12));
}
.road-item{position:relative;padding-top:52px}
.road-dot{
 position:absolute;top:12px;left:0;width:22px;height:22px;border-radius:50%;
 background:var(--ink);border:3px solid var(--gold);box-shadow:0 0 0 5px rgba(255,180,0,.14);
}
.road-item:nth-child(2) .road-dot{border-color:var(--cyan);box-shadow:0 0 0 5px rgba(77,214,255,.16)}
.road-item:nth-child(3) .road-dot{border-color:#ffd166;box-shadow:0 0 0 5px rgba(255,209,102,.14)}
.road-item:nth-child(4) .road-dot{border-color:rgba(255,255,255,.55);box-shadow:0 0 0 5px rgba(255,255,255,.1)}
.road-item b{display:block;font-size:13px;letter-spacing:1px;color:var(--gold-2);margin-bottom:8px}
.road-item h3{font-size:16.5px;font-weight:800;color:#fff;margin-bottom:8px}
.road-item p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8}
/* 数据指标 */
.metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);text-align:left;
 transition:transform .2s ease,box-shadow .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.metric b{display:block;font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--navy);line-height:1.2}
.metric b em{font-style:normal;font-size:15px;color:var(--gold);margin-left:3px}
.metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:700;color:var(--navy);
 display:flex;align-items:center;justify-content:space-between;gap:16px;transition:background .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--gold);transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary{background:rgba(255,180,0,.07)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.9}
/* 订阅 */
.subscribe-card{
 background:linear-gradient(150deg,var(--navy) 0%,var(--ink) 100%);color:#fff;border-radius:var(--radius-lg);
 padding:40px;box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
}
.subscribe-card h2{font-size:clamp(21px,2.4vw,27px);font-weight:800;line-height:1.4;margin-bottom:12px}
.subscribe-card p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85}
.sub-form{display:flex;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:8px}
.sub-form input{
 flex:1;min-width:0;background:transparent;border:0;color:#fff;padding:10px 12px;font-size:15px;outline:none;
}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-hint{font-size:12.5px;color:rgba(255,255,255,.45);margin-top:10px}
/* 页脚 */
.site-footer{background:linear-gradient(180deg,#141936 0%,#0b1022 100%);color:rgba(255,255,255,.72);padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:10px;font-size:17px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:420px}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .16s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.45);
}
/* 响应式 */
@media (max-width:1024px){
 .article-wrap{grid-template-columns:1fr}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .roadmap{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
 .roadmap::before{display:none}
 .metric-row{grid-template-columns:repeat(2,minmax(0,1fr))}
 .subscribe-card{grid-template-columns:1fr;padding:32px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .main-nav{display:none}
 .nav-toggle{display:block}
 .article-card{padding:26px 20px}
 .article-body{font-size:16px}
 .article-body h2{font-size:21px}
 .section{padding:52px 0}
 .grid-2,.grid-3{grid-template-columns:1fr}
 .roadmap{grid-template-columns:1fr}
 .metric-row{grid-template-columns:1fr 1fr}
 .article-hero{padding:40px 0 34px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand-text{font-size:15px}
 .metric-row{grid-template-columns:1fr}
 .subscribe-card{padding:24px}
 .sub-form{flex-direction:column}
 .sub-form .btn{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .article-title{font-size:23px}
}

/* roulang page: category1 */
:root{
  --ink:#0b1022;
  --navy:#1a1f3d;
  --navy-2:#242b52;
  --navy-3:#303a6b;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#4dd6ff;
  --bg:#f5f6fb;
  --bg-alt:#eceffa;
  --surface:#ffffff;
  --text:#1b1f33;
  --muted:#5c6380;
  --line:#e3e6f2;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 10px rgba(17,22,51,.06);
  --shadow-md:0 12px 32px rgba(17,22,51,.10);
  --shadow-lg:0 22px 50px rgba(11,16,34,.18);
  --space:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.72;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:linear-gradient(180deg,#141936 0%,#1a1f3d 100%);box-shadow:0 8px 26px rgba(9,13,30,.28)}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold) 0%,#ff8a00 100%);
  color:#181026;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{display:flex;flex-direction:column;color:#fff;font-weight:700;font-size:17px;line-height:1.2;letter-spacing:.3px}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;color:rgba(255,255,255,.55);letter-spacing:1.6px;margin-top:4px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:9px;font-size:14.5px;color:rgba(255,255,255,.74);
  transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link:focus-visible{outline:2px solid var(--gold-2);outline-offset:2px}
.nav-link.is-active{color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-2) 100%);font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:700;
  color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);
  box-shadow:0 8px 20px rgba(255,150,0,.28);transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,150,0,.36)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:18px;line-height:1;
}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid rgba(255,255,255,.08)}
.mobile-nav a{display:block;padding:11px 6px;color:rgba(255,255,255,.8);font-size:15px;border-radius:8px}
.mobile-nav a.is-active{color:var(--gold);font-weight:700}
.mobile-nav.is-open{display:block}
.step-bar{border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;align-items:center}
.step-item{
  position:relative;display:flex;align-items:center;gap:10px;padding:13px 22px 13px 0;
  color:rgba(255,255,255,.62);font-size:13.5px;white-space:nowrap;transition:color .18s ease;
}
.step-item:hover{color:var(--gold-2)}
.step-item b{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:rgba(255,180,0,.16);color:var(--gold-2);font-size:11px;border:1px solid rgba(255,180,0,.35)}
.step-item::after{content:"";width:34px;height:1px;background:rgba(255,255,255,.18);margin-left:16px}
.step-item:last-child::after{display:none}

/* ---------- 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:11px;font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-gold{color:#1d1330;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);box-shadow:0 10px 26px rgba(255,150,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,150,0,.42)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.btn-dark{color:#fff;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));box-shadow:0 10px 24px rgba(26,31,61,.28)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(26,31,61,.34)}
.btn-block{width:100%}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(255,180,0,.14);color:#a86a00;border:1px solid rgba(255,180,0,.3);
}
.tag-cyan{background:rgba(77,214,255,.14);color:#0a6f8c;border-color:rgba(77,214,255,.35)}
.tag-dark{background:rgba(26,31,61,.07);color:#3a4166;border-color:rgba(26,31,61,.12)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--ink);padding:68px 0 0}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/用户界面.webp') center/cover no-repeat;
  opacity:.30;transform:scale(1.04);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(77,214,255,.24),transparent 62%),
    radial-gradient(760px 420px at 88% 12%,rgba(255,180,0,.22),transparent 60%),
    linear-gradient(160deg,rgba(11,16,34,.95) 0%,rgba(26,31,61,.92) 55%,rgba(11,16,34,.97) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:920px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
  color:var(--gold-2);font-size:13px;font-weight:600;letter-spacing:.6px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(77,214,255,.18);display:inline-block}
.hero h1{font-size:clamp(28px,4.2vw,46px);font-weight:800;letter-spacing:-.8px;margin:22px 0 20px;line-height:1.24}
.hero h1 span{color:var(--gold-2)}
.hero-lead{max-width:800px;color:rgba(255,255,255,.78);font-size:16px;line-height:1.86}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges span{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  font-size:13px;color:rgba(255,255,255,.76);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);
}

/* ---------- 版本节点条 + 订阅 ---------- */
.roadmap-wrap{position:relative;z-index:2;margin-top:46px;padding-bottom:56px}
.roadmap-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:18px}
.roadmap-head h2{font-size:19px;font-weight:700;color:#fff}
.roadmap-head span{font-size:13px;color:rgba(255,255,255,.55)}
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.node{
  position:relative;padding:18px 16px 16px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.node:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.45)}
.node::before{content:"";position:absolute;left:16px;top:0;width:34px;height:3px;border-radius:0 0 3px 3px;background:var(--gold)}
.node small{display:block;font-size:11.5px;letter-spacing:1.2px;color:var(--cyan);font-weight:700}
.node b{display:block;margin:7px 0 6px;font-size:15px;color:#fff;font-weight:700}
.node p{font-size:13px;color:rgba(255,255,255,.62);line-height:1.65}
.sub-form{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  padding:16px 18px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
}
.sub-form label{font-size:13.5px;color:rgba(255,255,255,.72);white-space:nowrap}
.sub-form input[type="email"]{
  flex:1 1 240px;min-width:200px;padding:12px 15px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);background:rgba(11,16,34,.55);color:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.sub-form input[type="email"]::placeholder{color:rgba(255,255,255,.4)}
.sub-form input[type="email"]:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.2);
}

/* ---------- 通用 section ---------- */
.section{padding:var(--space) 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:linear-gradient(165deg,var(--navy) 0%,var(--ink) 100%);color:#fff}
.section-head{max-width:760px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:#a86a00;text-transform:uppercase;margin-bottom:14px;
}
.kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--gold),#ff9500)}
.section-dark .kicker{color:var(--gold-2)}
.section-title{font-size:clamp(23px,2.8vw,32px);font-weight:800;letter-spacing:-.4px;color:var(--navy)}
.section-dark .section-title{color:#fff}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.86}
.section-dark .section-desc{color:rgba(255,255,255,.68)}

/* ---------- 痛点卡片 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pain-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.pain-icon{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(255,180,0,.2),rgba(77,214,255,.16));
  color:#a86a00;font-weight:800;font-size:16px;border:1px solid rgba(255,180,0,.28);
}
.pain-card h3{font-size:16.5px;font-weight:700;color:var(--navy);margin-bottom:9px}
.pain-card p{font-size:14px;color:var(--muted);line-height:1.78}

/* ---------- 机制卡片 ---------- */
.mech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mech-card{
  background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.mech-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.mech-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--navy)}
.mech-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mech-card:hover .mech-thumb img{transform:scale(1.06)}
.mech-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,34,0) 40%,rgba(11,16,34,.72) 100%)}
.mech-thumb .tag{position:absolute;left:14px;top:14px;z-index:2}
.mech-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.mech-body h3{font-size:18px;font-weight:800;color:var(--navy);margin-bottom:10px}
.mech-body p{font-size:14.2px;color:var(--muted);line-height:1.8;flex:1}
.mech-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.mech-list li{display:flex;gap:9px;font-size:13.5px;color:#3a4166}
.mech-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--gold);margin-top:8px}

/* ---------- 读盘步骤 ---------- */
.steps-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.steps-list{display:flex;flex-direction:column;gap:16px}
.step-card{
  display:flex;gap:18px;padding:20px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.step-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.4);transform:translateX(4px)}
.step-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold),#ff9500);color:#1d1330;font-weight:800;font-size:15px;
  box-shadow:0 6px 16px rgba(255,150,0,.3);
}
.step-card h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px}
.step-card p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.76}
.steps-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.14);
}
.steps-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.steps-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;font-size:13px;
  color:rgba(255,255,255,.82);background:linear-gradient(180deg,rgba(11,16,34,0),rgba(11,16,34,.9));
}

/* ---------- 样本指标 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.metric-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);text-align:left;
  transition:transform .2s ease,box-shadow .2s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.metric-num{font-size:34px;font-weight:800;letter-spacing:-1px;color:var(--navy);line-height:1.1}
.metric-num em{font-style:normal;font-size:16px;font-weight:700;color:var(--gold);margin-left:3px}
.metric-label{margin-top:8px;font-size:14px;font-weight:700;color:#3a4166}
.metric-note{margin-top:6px;font-size:12.8px;color:var(--muted);line-height:1.65}
.sample-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);
}
.sample-panel figure{margin:0;overflow:hidden;background:var(--navy);position:relative}
.sample-panel figure img{width:100%;height:100%;object-fit:cover;min-height:280px}
.sample-body{padding:32px 34px;display:flex;flex-direction:column;justify-content:center}
.sample-body h3{font-size:19px;font-weight:800;color:var(--navy);margin-bottom:14px}
.sample-body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.sample-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

/* ---------- 场景卡片 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold),var(--cyan));opacity:0;transition:opacity .2s ease}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(77,214,255,.4)}
.scene-card:hover::before{opacity:1}
.scene-card h3{font-size:17px;font-weight:800;color:var(--navy);margin-bottom:10px}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.8}
.scene-card .tag{margin-top:16px}

/* ---------- 玩家反馈 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  padding:24px 22px;transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.voice-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.4);transform:translateY(-4px)}
.voice-card p{font-size:14.4px;color:rgba(255,255,255,.78);line-height:1.84}
.voice-meta{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.voice-avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800;
  background:linear-gradient(140deg,var(--gold),#ff8a00);color:#1d1330;
}
.voice-meta b{font-size:13.5px;color:#fff;font-weight:700;display:block;line-height:1.4}
.voice-meta span{font-size:12px;color:rgba(255,255,255,.55)}

/* ---------- 最新情报 ---------- */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.news-card h3{font-size:16.5px;font-weight:700;color:var(--navy);line-height:1.55;margin-bottom:10px}
.news-card p{font-size:14px;color:var(--muted);line-height:1.78;flex:1}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.news-empty{
  grid-column:1/-1;padding:40px 24px;text-align:center;border-radius:var(--radius);
  background:var(--surface);border:1px dashed var(--line);color:var(--muted);font-size:14.5px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,180,0,.45);box-shadow:var(--shadow-md)}
.faq-item h3{font-size:15.5px;font-weight:700;color:var(--navy);margin-bottom:10px;display:flex;gap:10px}
.faq-item h3::before{content:"Q";flex:0 0 auto;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;font-size:12px;font-weight:800;background:rgba(255,180,0,.18);color:#a86a00}
.faq-item p{font-size:14px;color:var(--muted);line-height:1.82;padding-left:32px}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:56px 48px;color:#fff;background:var(--navy)}
.cta-band .cta-bg{position:absolute;inset:0;background:url('/assets/images/捕鱼大咖高爆版正版下载_捕鱼大咖高爆版正版游戏v3.5.6安卓版_ios免.webp') center/cover no-repeat;opacity:.28}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,16,34,.94),rgba(26,31,61,.82))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.4px;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.86}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(180deg,#141936 0%,#0b1022 100%);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:10px;font-size:17px}
.footer-brand b{color:#fff;font-size:17px;font-weight:700}
.footer-desc{font-size:13.8px;line-height:1.86;color:rgba(255,255,255,.58)}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13.6px;color:rgba(255,255,255,.6);transition:color .18s ease,padding-left .18s ease}
.footer-col ul li a:hover{color:var(--gold-2);padding-left:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.8px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space:66px}
  .roadmap{grid-template-columns:repeat(2,1fr)}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .mech-grid{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .steps-wrap{grid-template-columns:1fr;gap:32px}
  .sample-panel{grid-template-columns:1fr}
  .sample-panel figure img{min-height:220px}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .main-nav{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .topbar-inner{min-height:64px}
}
@media (max-width:768px){
  :root{--space:54px}
  .container{padding:0 18px}
  .hero{padding-top:48px}
  .hero-lead{font-size:15px}
  .hero-actions{gap:10px}
  .btn{padding:12px 20px;font-size:14.5px}
  .roadmap{grid-template-columns:1fr}
  .pain-grid,.mech-grid,.metric-grid,.scene-grid,.news-grid,.faq-list,.voice-grid{grid-template-columns:1fr}
  .sub-form{padding:14px}
  .sub-form .btn{width:100%}
  .cta-band{padding:36px 24px}
  .cta-actions{flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head{margin-bottom:30px}
  .step-bar{overflow-x:auto}
  .step-item{font-size:12.5px;padding-right:16px}
}
@media (max-width:520px){
  .hero h1{font-size:25px}
  .metric-num{font-size:28px}
  .sample-body{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:15.5px}
  .brand-text em{font-size:10px;letter-spacing:1.2px}
  .faq-item p{padding-left:0}
}

/* roulang page: category2 */
:root{
  --ink:#0b1022;
  --navy:#1a1f3d;
  --navy-2:#242b52;
  --navy-3:#303a6b;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#4dd6ff;
  --bg:#f5f6fb;
  --bg-alt:#eceffa;
  --surface:#ffffff;
  --text:#1b1f33;
  --muted:#5c6380;
  --line:#e3e6f2;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 10px rgba(17,22,51,.06);
  --shadow-md:0 12px 32px rgba(17,22,51,.10);
  --shadow-lg:0 22px 50px rgba(11,16,34,.18);
  --space:88px;
}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.72;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:3px solid rgba(255,180,0,.8);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:linear-gradient(180deg,#141936 0%,#1a1f3d 100%);box-shadow:0 8px 26px rgba(9,13,30,.28)}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold) 0%,#ff8a00 100%);
  color:#181026;font-weight:800;font-size:19px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{display:flex;flex-direction:column;color:#fff;font-weight:700;font-size:17px;line-height:1.2;letter-spacing:.3px}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;color:rgba(255,255,255,.55);letter-spacing:1.6px;margin-top:4px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:9px;font-size:14.5px;color:rgba(255,255,255,.74);
  transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.is-active{color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-2) 100%);font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:700;
  color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);
  box-shadow:0 8px 20px rgba(255,150,0,.28);transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,150,0,.36)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:18px;line-height:1;align-items:center;justify-content:center;
}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid rgba(255,255,255,.08)}
.mobile-nav a{display:block;padding:11px 6px;color:rgba(255,255,255,.8);font-size:15px;border-radius:8px}
.mobile-nav a:hover{background:rgba(255,255,255,.07)}
.mobile-nav a.is-active{color:var(--gold);font-weight:700}
.mobile-nav.is-open{display:block}
.step-nav{display:flex;align-items:center;gap:0;overflow-x:auto;scrollbar-width:none;border-top:1px solid rgba(255,255,255,.08);padding:2px 0 0}
.step-nav::-webkit-scrollbar{display:none}
.step-item{
  position:relative;display:flex;align-items:center;gap:10px;padding:13px 22px 13px 0;
  color:rgba(255,255,255,.62);font-size:13.5px;white-space:nowrap;transition:color .18s ease;
}
.step-item:hover{color:var(--gold-2)}
.step-item b{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;font-size:11px;background:rgba(255,255,255,.12);color:#fff;font-weight:700}
.step-item:hover b{background:var(--gold);color:#1b1430}
.step-item::after{content:"";width:34px;height:1px;background:rgba(255,255,255,.18);margin-left:16px}
.step-item:last-child::after{display:none}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:11px;font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-gold{color:#1d1330;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);box-shadow:0 10px 26px rgba(255,150,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,150,0,.42)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.btn-dark{color:#fff;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));box-shadow:0 10px 24px rgba(26,31,61,.28)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(26,31,61,.34)}
.btn:active{transform:translateY(0) scale(.99)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(255,180,0,.14);color:#a86a00;border:1px solid rgba(255,180,0,.3);
}
.tag-cyan{background:rgba(77,214,255,.14);color:#0a6f8c;border-color:rgba(77,214,255,.35)}
.tag-dark{background:rgba(26,31,61,.07);color:#3a4166;border-color:rgba(26,31,61,.12)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;background:var(--ink);padding:52px 0 76px}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/用户界面.webp') center/cover no-repeat;
  opacity:.26;transform:scale(1.05);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 10% 0%,rgba(77,214,255,.22),transparent 62%),
    radial-gradient(760px 420px at 90% 8%,rgba(255,180,0,.20),transparent 60%),
    linear-gradient(160deg,rgba(11,16,34,.96) 0%,rgba(26,31,61,.93) 55%,rgba(11,16,34,.98) 100%);
}
.crumb{position:relative;z-index:2;display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.7);transition:color .18s}
.crumb a:hover{color:var(--gold-2)}
.crumb-now{color:var(--gold-2)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:start}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
  color:var(--gold-2);font-size:13px;font-weight:600;letter-spacing:.6px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(77,214,255,.18);display:inline-block}
.hero-main h1{font-size:clamp(30px,4.2vw,48px);font-weight:800;letter-spacing:-.8px;margin:20px 0 18px;line-height:1.2}
.hero-main h1 span{color:var(--gold-2)}
.hero-lead{max-width:640px;color:rgba(255,255,255,.78);font-size:16px;line-height:1.85}
.join-note{
  display:inline-flex;align-items:center;gap:10px;margin-top:22px;padding:9px 16px;border-radius:999px;
  background:rgba(77,214,255,.10);border:1px solid rgba(77,214,255,.3);font-size:13.5px;color:rgba(255,255,255,.82);
}
.join-note b{color:var(--gold-2);font-size:15px;font-weight:800}
.join-dot{width:8px;height:8px;border-radius:50%;background:#3ddc84;box-shadow:0 0 0 4px rgba(61,220,132,.18);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.hero-meta li{font-size:13px;color:rgba(255,255,255,.55)}
.hero-meta b{display:block;font-size:22px;font-weight:800;color:#fff;letter-spacing:-.5px;margin-bottom:2px}

/* 时段雷达面板 */
.radar-panel{
  background:linear-gradient(170deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-lg);backdrop-filter:blur(8px);
}
.radar-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.radar-live{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:rgba(255,255,255,.62)}
.radar-live i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(77,214,255,.2)}
.radar-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:4px}
.radar-desc{font-size:12.5px;color:rgba(255,255,255,.5);margin-bottom:18px}
.radar-list li{margin-bottom:16px}
.radar-list li:last-child{margin-bottom:0}
.radar-row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:7px}
.radar-row span{font-size:13.5px;color:rgba(255,255,255,.82)}
.radar-row em{font-style:normal;font-size:12.5px;color:var(--gold-2);font-weight:700}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--gold))}
.radar-foot{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.7}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space) 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:linear-gradient(160deg,var(--navy) 0%,var(--ink) 100%);color:#fff}
.section-head{max-width:780px;margin-bottom:40px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:2px;color:#a86a00;
}
.kicker::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--gold),rgba(255,180,0,0));border-radius:2px}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.4px;margin:14px 0 14px;line-height:1.28;color:var(--text)}
.section-sub{color:var(--muted);font-size:15.5px;line-height:1.85}
.section--dark .section-title{color:#fff}
.section--dark .section-sub{color:rgba(255,255,255,.72)}
.section--dark .kicker{color:var(--gold-2)}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:26px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}

/* 痛点 */
.pain-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.pain-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.pain-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease}
.pain-figure:hover img{transform:scale(1.04)}
.pain-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,34,0) 42%,rgba(11,16,34,.78) 100%)}
.pain-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;font-size:14px;line-height:1.7}
.pain-cap b{display:block;font-size:16px;margin-bottom:4px}
.pain-list{display:grid;gap:14px}
.pain-item{
  display:flex;gap:16px;padding:18px 20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.pain-num{
  flex:0 0 38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(26,31,61,.06);color:var(--navy-2);font-weight:800;font-size:13.5px;
}
.pain-item:hover .pain-num{background:linear-gradient(135deg,var(--gold),#ff9500);color:#1b1430}
.pain-item h3{font-size:15.5px;font-weight:700;margin-bottom:4px}
.pain-item p{font-size:14px;color:var(--muted);line-height:1.75}

/* 四阶段模型 */
.phase-card{position:relative;overflow:hidden}
.phase-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--gold),#ff8a00);opacity:0;transition:opacity .22s}
.phase-card:hover::before{opacity:1}
.phase-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.phase-name{font-size:17px;font-weight:800;color:var(--text)}
.phase-range{font-size:12.5px;font-weight:700;color:#a86a00;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);padding:3px 10px;border-radius:999px}
.phase-card p{font-size:14.2px;color:var(--muted);line-height:1.78;margin-bottom:14px}
.phase-tip{display:flex;gap:8px;font-size:13px;color:#2a3050;background:rgba(77,214,255,.10);border:1px dashed rgba(77,214,255,.45);border-radius:10px;padding:10px 12px;line-height:1.7}

/* 四步法 */
.step-list{display:grid;gap:16px}
.step-row{
  display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start;
  padding:24px 26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(77,214,255,.45)}
.step-badge{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--navy),var(--navy-3));color:var(--gold-2);
  font-weight:800;font-size:16px;letter-spacing:.5px;box-shadow:0 10px 22px rgba(26,31,61,.24);
}
.step-row h3{font-size:17px;font-weight:800;margin-bottom:6px}
.step-row p{font-size:14.5px;color:var(--muted);line-height:1.8}
.step-row .tag{margin-top:12px}

/* 时段表 */
.slot-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:24px;transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.slot-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.5)}
.slot-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:6px}
.slot-name{font-size:18px;font-weight:800;color:#fff}
.slot-time{font-size:12.5px;color:var(--gold-2);font-weight:700;letter-spacing:.5px}
.slot-idx{display:flex;align-items:baseline;gap:6px;margin:14px 0 6px}
.slot-idx b{font-size:30px;font-weight:800;color:var(--gold-2);letter-spacing:-1px;line-height:1}
.slot-idx span{font-size:12.5px;color:rgba(255,255,255,.55)}
.slot-card .bar{background:rgba(255,255,255,.16);margin-bottom:16px}
.slot-card dl{margin:0}
.slot-card dt{font-size:12.5px;color:var(--cyan);font-weight:700;letter-spacing:.6px;margin-top:12px}
.slot-card dd{margin:4px 0 0;font-size:13.8px;color:rgba(255,255,255,.75);line-height:1.72}

/* 数据指标 */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:34px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.metric b{display:block;font-size:32px;font-weight:800;letter-spacing:-1.2px;color:var(--navy);line-height:1.1}
.metric b em{font-style:normal;font-size:15px;color:var(--gold);margin-left:4px;letter-spacing:0}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}
.quote-card{display:flex;flex-direction:column;gap:14px}
.quote-text{font-size:15px;line-height:1.85;color:#2a3050}
.quote-person{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;color:#1b1430;background:linear-gradient(135deg,var(--gold),#ff9500)}
.quote-person b{display:block;font-size:14px;color:var(--text)}
.quote-person span{font-size:12.5px;color:var(--muted)}

/* 适用人群 */
.persona{display:flex;flex-direction:column;gap:10px}
.persona-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(26,31,61,.06);font-size:20px}
.persona h3{font-size:16.5px;font-weight:800}
.persona p{font-size:14px;color:var(--muted);line-height:1.78}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:700;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:rgba(255,180,0,.16);color:#a86a00;font-weight:800;font-size:16px;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item summary:hover{color:#a86a00}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* 频道矩阵 */
.channel-card{display:block;position:relative;overflow:hidden}
.channel-card .tag{margin-bottom:14px}
.channel-card h3{font-size:18px;font-weight:800;margin-bottom:8px;color:var(--text)}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.78;margin-bottom:16px}
.channel-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:#a86a00}
.channel-more::after{content:"→";transition:transform .2s ease}
.channel-card:hover .channel-more::after{transform:translateX(5px)}
.channel-card.is-current{background:linear-gradient(160deg,#fffdf6,#fff);border-color:rgba(255,180,0,.55)}
.channel-card.is-current .channel-more{color:var(--muted)}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(140deg,var(--navy) 0%,var(--ink) 60%,#1c2450 100%);
  padding:52px 46px;color:#fff;box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 300px at 88% 0%,rgba(255,180,0,.24),transparent 62%),
             radial-gradient(520px 280px at 4% 100%,rgba(77,214,255,.18),transparent 62%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(23px,2.6vw,31px);font-weight:800;letter-spacing:-.4px;margin-bottom:14px;line-height:1.35}
.cta-inner p{color:rgba(255,255,255,.74);font-size:15px;line-height:1.85;max-width:520px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 220px;min-width:0;padding:13px 16px;border-radius:11px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;transition:border-color .18s ease,background .18s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5)}
.cta-form input:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.14)}
.form-tip{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.52)}
.form-tip.is-ok{color:var(--gold-2)}

/* 页脚 */
.site-footer{background:linear-gradient(180deg,#141936 0%,#0b1022 100%);color:rgba(255,255,255,.72);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:400px}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:40px;
  padding:18px 0 24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space:66px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .pain-wrap{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-band{padding:40px 30px}
}
@media (max-width:768px){
  :root{--space:54px}
  .main-nav{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .topbar-inner{min-height:64px;gap:14px}
  .page-hero{padding:36px 0 56px}
  .hero-lead{font-size:15px}
  .hero-meta{gap:22px}
  .grid-2,.grid-3,.grid-4,.metric-grid{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr;gap:14px;padding:22px}
  .step-badge{width:44px;height:44px;font-size:14px;border-radius:12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .section-head{margin-bottom:30px}
  .card{padding:22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-main h1{letter-spacing:-.4px}
  .join-note{font-size:12.5px;padding:8px 13px;line-height:1.6}
  .hero-actions .btn{width:100%}
  .radar-panel{padding:18px}
  .cta-band{padding:30px 20px;border-radius:14px}
  .cta-form .btn{width:100%}
  .metric b{font-size:27px}
  .slot-idx b{font-size:26px}
}

/* roulang page: category3 */
:root{
  --ink:#0b1022;
  --navy:#1a1f3d;
  --navy-2:#242b52;
  --navy-3:#303a6b;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#4dd6ff;
  --bg:#f5f6fb;
  --bg-alt:#eceffa;
  --surface:#ffffff;
  --text:#1b1f33;
  --muted:#5c6380;
  --line:#e3e6f2;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 2px 10px rgba(17,22,51,.06);
  --shadow-md:0 12px 32px rgba(17,22,51,.10);
  --shadow-lg:0 22px 50px rgba(11,16,34,.18);
  --space:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.72;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(77,214,255,.65);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:linear-gradient(180deg,#141936 0%,#1a1f3d 100%);box-shadow:0 8px 26px rgba(9,13,30,.28)}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold) 0%,#ff8a00 100%);
  color:#181026;font-weight:800;font-size:19px;
  box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.brand-text{display:flex;flex-direction:column;color:#fff;font-weight:700;font-size:17px;line-height:1.2;letter-spacing:.3px}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;color:rgba(255,255,255,.55);letter-spacing:1.6px;margin-top:4px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:9px;font-size:14.5px;color:rgba(255,255,255,.74);
  transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.is-active{color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,var(--gold-2) 100%);font-weight:700;box-shadow:0 6px 16px rgba(255,180,0,.28)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-size:14px;font-weight:700;
  color:#1b1430;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);
  box-shadow:0 8px 20px rgba(255,150,0,.28);transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,150,0,.36)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:18px;line-height:1;
}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid rgba(255,255,255,.08)}
.mobile-nav a{display:block;padding:11px 6px;color:rgba(255,255,255,.8);font-size:15px;border-radius:8px}
.mobile-nav a.is-active{color:var(--gold);font-weight:700}
.mobile-nav.is-open{display:block}

/* ---------- 导航下方进度步骤条 ---------- */
.step-strip{background:#121731;border-top:1px solid rgba(255,255,255,.07);overflow-x:auto}
.step-strip-inner{display:flex;align-items:center;min-height:50px;overflow-x:auto;scrollbar-width:none}
.step-strip-inner::-webkit-scrollbar{display:none}
.step-item{
  position:relative;display:flex;align-items:center;gap:10px;padding:13px 22px 13px 0;
  color:rgba(255,255,255,.62);font-size:13.5px;white-space:nowrap;transition:color .18s ease;
}
.step-item b{color:var(--gold);font-weight:800;font-size:12px;letter-spacing:.5px}
.step-item:hover{color:var(--gold-2)}
.step-item::after{content:"";width:34px;height:1px;background:rgba(255,255,255,.18);margin-left:16px}
.step-item:last-child::after{display:none}

/* ---------- 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:11px;font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-gold{color:#1d1330;background:linear-gradient(135deg,var(--gold) 0%,#ff9500 100%);box-shadow:0 10px 26px rgba(255,150,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,150,0,.42)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}
.btn-dark{color:#fff;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));box-shadow:0 10px 24px rgba(26,31,61,.28)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(26,31,61,.34)}
.btn-block{width:100%}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(255,180,0,.14);color:#a86a00;border:1px solid rgba(255,180,0,.3);
}
.tag-cyan{background:rgba(77,214,255,.14);color:#0a6f8c;border-color:rgba(77,214,255,.35)}
.tag-dark{background:rgba(26,31,61,.07);color:#3a4166;border-color:rgba(26,31,61,.12)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--ink);padding:64px 0 0}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/用户界面.webp') center/cover no-repeat;
  opacity:.30;transform:scale(1.04);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 10% 0%,rgba(77,214,255,.24),transparent 62%),
    radial-gradient(760px 420px at 90% 14%,rgba(255,180,0,.22),transparent 60%),
    linear-gradient(160deg,rgba(11,16,34,.95) 0%,rgba(26,31,61,.92) 55%,rgba(11,16,34,.97) 100%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;padding-bottom:66px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
  color:var(--gold-2);font-size:13px;font-weight:600;letter-spacing:.6px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(77,214,255,.18);display:inline-block}
.hero h1{font-size:clamp(28px,4.1vw,46px);font-weight:800;letter-spacing:-.8px;margin:20px 0 18px;line-height:1.24}
.hero h1 span{color:var(--gold-2)}
.hero-lead{max-width:660px;color:rgba(255,255,255,.78);font-size:16px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.stat-item{display:flex;flex-direction:column;gap:2px}
.stat-item b{font-size:24px;font-weight:800;color:#fff;letter-spacing:-.4px}
.stat-item span{font-size:12.5px;color:rgba(255,255,255,.6)}

.hero-panel{
  position:relative;border-radius:var(--radius-lg);padding:26px 24px 22px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  box-shadow:0 22px 50px rgba(0,0,0,.32);backdrop-filter:blur(6px);
}
.burst{
  position:absolute;top:-20px;right:-10px;width:78px;height:78px;border-radius:50%;
  display:grid;place-items:center;text-align:center;line-height:1.15;font-size:13px;font-weight:800;
  color:#2a1704;background:linear-gradient(140deg,#ffd166,#ff8a00);
  border:2px dashed rgba(255,255,255,.65);transform:rotate(9deg);
  box-shadow:0 12px 26px rgba(255,140,0,.42);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15px;font-weight:700;color:#fff;padding-right:64px}
.panel-head em{font-style:normal;font-size:11.5px;font-weight:600;color:var(--cyan);letter-spacing:.6px}
.panel-steps{margin-top:18px;display:grid;gap:14px}
.panel-steps li{display:flex;gap:12px;align-items:flex-start}
.panel-steps li span{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,180,0,.18);border:1px solid rgba(255,180,0,.38);color:var(--gold-2);
  font-size:12.5px;font-weight:800;
}
.panel-steps li b{display:block;font-size:14px;color:#fff;font-weight:700}
.panel-steps li em{font-style:normal;display:block;font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.6}
.panel-note{
  margin-top:18px;padding:10px 12px;border-radius:10px;font-size:12.5px;line-height:1.6;
  color:#ffe6b8;background:rgba(255,180,0,.12);border:1px dashed rgba(255,180,0,.4);
}
.panel-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12)}
.panel-link{font-size:13px;font-weight:700;color:var(--gold-2);transition:color .18s ease}
.panel-link:hover{color:#fff}

/* ---------- 通用区块 ---------- */
.section{padding:var(--space) 0;scroll-margin-top:96px}
.section-alt{background:var(--bg-alt)}
.section-dark{background:linear-gradient(160deg,var(--ink) 0%,var(--navy) 60%,#131a38 100%);color:#fff;scroll-margin-top:96px}
.anchor{display:block;height:0;scroll-margin-top:120px}
.section-head{max-width:760px;margin-bottom:38px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:1.4px;
  color:#a86a00;text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gold),#ff9500)}
.section-dark .section-kicker{color:var(--gold-2)}
.section-title{font-size:clamp(22px,2.8vw,32px);font-weight:800;letter-spacing:-.5px;line-height:1.35}
.section-sub{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.85}
.section-dark .section-sub{color:rgba(255,255,255,.68)}

/* ---------- 痛点 + 解法 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.pain-card,.solution-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm)}
.pain-card h3,.solution-card h3{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px}
.pain-list{margin-top:20px;display:grid;gap:14px}
.pain-list li{display:flex;gap:12px;font-size:14.5px;color:#414867;line-height:1.7}
.pain-list li i{
  flex:0 0 22px;height:22px;border-radius:50%;display:grid;place-items:center;font-style:normal;
  font-size:12px;font-weight:800;color:#a8320f;background:rgba(255,110,70,.14);border:1px solid rgba(255,110,70,.3);
}
.solution-card{background:linear-gradient(180deg,#fff 0%,#f7f9ff 100%)}
.solution-steps{margin-top:20px;display:grid;gap:16px}
.solution-steps li{position:relative;padding-left:54px}
.solution-steps li b{display:block;font-size:15px;font-weight:800;color:var(--navy)}
.solution-steps li em{font-style:normal;display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.7}
.solution-steps li::before{
  content:attr(data-n);position:absolute;left:0;top:2px;width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;font-size:15px;font-weight:800;color:#1d1330;
  background:linear-gradient(140deg,var(--gold),#ff9500);box-shadow:0 8px 18px rgba(255,150,0,.3);
}

/* ---------- 步骤时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:12px}
.tl-card{
  position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:24px 20px;transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.45);background:rgba(255,255,255,.08)}
.tl-card b.tl-num{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;
  font-size:14px;font-weight:800;color:#241406;background:linear-gradient(140deg,var(--gold),var(--gold-2));
}
.tl-card h4{margin-top:14px;font-size:16px;font-weight:800;color:#fff}
.tl-card p{margin-top:8px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.66)}
.tl-card::after{content:"";position:absolute;top:42px;right:-11px;width:22px;height:2px;background:rgba(255,255,255,.18)}
.tl-card:last-child::after{display:none}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.scene-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--navy)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.06)}
.scene-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,34,.05) 30%,rgba(11,16,34,.72) 100%)}
.scene-badge{position:absolute;left:14px;bottom:12px;z-index:2}
.scene-body{padding:20px 20px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:17px;font-weight:800}
.scene-body p{font-size:14px;color:var(--muted);line-height:1.75}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}

/* ---------- 数据指标 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.metric{
  border-radius:var(--radius-lg);padding:24px 20px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.13);transition:border-color .2s ease,transform .2s ease;
}
.metric:hover{border-color:rgba(77,214,255,.45);transform:translateY(-4px)}
.metric b{display:block;font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--gold-2);line-height:1.1}
.metric span{display:block;margin-top:8px;font-size:14px;font-weight:700;color:#fff}
.metric em{font-style:normal;display:block;margin-top:6px;font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.6)}

/* ---------- 玩家反馈 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;
}
.voice-card p{font-size:14.5px;line-height:1.85;color:#3b4262}
.voice-card p::before{content:"“";color:var(--gold);font-size:22px;font-weight:800;margin-right:2px}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line)}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:0 0 38px;
  font-size:14px;font-weight:800;color:#1d1330;background:linear-gradient(140deg,var(--gold),var(--gold-2));
}
.voice-who b{display:block;font-size:14px;font-weight:800}
.voice-who em{font-style:normal;font-size:12.5px;color:var(--muted)}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{
  position:relative;display:block;padding:26px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,#fff 0%,#f4f6ff 100%);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md)}
.channel-card h3{font-size:17px;font-weight:800;margin-top:14px}
.channel-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
.channel-arrow{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:800;color:#a86a00}
.channel-card:hover .channel-arrow{color:#e08200}

/* ---------- 资讯列表 ---------- */
.news-wrap{display:grid;gap:16px}
.news-item{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 24px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md)}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.news-item h3{margin-top:10px;font-size:16.5px;font-weight:800;line-height:1.5}
.news-item p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75}
.news-empty{
  padding:32px 24px;text-align:center;border-radius:var(--radius);border:1px dashed var(--line);
  background:#fff;color:var(--muted);font-size:14.5px;
}
.news-more{display:flex;justify-content:center;margin-top:26px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:6px 22px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0;font-size:15.5px;font-weight:800;color:#242b52;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:16px;font-weight:800;color:#1d1330;background:rgba(255,180,0,.22);transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";background:linear-gradient(140deg,var(--gold),#ff9500)}
.faq-item p{padding:0 0 18px;font-size:14.5px;color:var(--muted);line-height:1.85;max-width:820px}

/* ---------- 收口 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:44px 40px;
  color:#fff;background:linear-gradient(135deg,#1a1f3d 0%,#2b3468 55%,#131a38 100%);
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.35),transparent 66%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.cta-inner h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;letter-spacing:-.4px;line-height:1.4}
.cta-inner p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.8}
.subscribe-form{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.subscribe-form input{
  flex:1 1 200px;min-width:0;padding:13px 16px;border-radius:11px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;transition:border-color .18s ease,background .18s ease;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.5)}
.subscribe-form input:focus{border-color:var(--gold);background:rgba(255,255,255,.14)}
.form-hint{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.55)}
.plan-box{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);
  padding:22px;display:grid;gap:12px;
}
.plan-box h3{font-size:15.5px;font-weight:800}
.plan-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:rgba(255,255,255,.72)}
.plan-row b{color:var(--gold-2);font-weight:800}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1022;color:rgba(255,255,255,.7);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:800;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px;border-radius:9px}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.55);max-width:340px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.6);transition:color .18s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--space:66px}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:54px}
  .hero-lead{max-width:none}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .tl-card::after{display:none}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid,.voice-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr}
  .main-nav{display:none}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-cta{display:none}
}
@media (max-width:768px){
  :root{--space:54px}
  .container{padding:0 18px}
  .topbar-inner{min-height:64px;gap:14px}
  .brand-text{font-size:15.5px}
  .brand-text em{display:none}
  .hero{padding-top:44px}
  .hero-stats{gap:24px}
  .stat-item b{font-size:20px}
  .split{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .scene-grid,.voice-grid,.channel-grid,.metric-grid{grid-template-columns:1fr}
  .section-head{margin-bottom:28px}
  .cta-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-desc{max-width:none}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .burst{width:64px;height:64px;font-size:11.5px;top:-14px;right:-4px}
  .panel-head{padding-right:58px;font-size:14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .news-item{padding:16px 16px}
  .subscribe-form .btn{width:100%}
}