:root{
      --primary:#ffffff;          /* 主色改为白色，用于强调 */
      --primary-dark:#d0d0d0;
      --bg:#0a0a0a;               /* 纯黑底色 */
      --card:#1a1a1a;             /* 深灰卡片 */
      --tint:#141414;             /* 深色区块 */
      --text:#f0f0f0;             /* 浅色文字 */
      --text-light:#a0a0a0;       /* 次要文字 */
      --border:#2a2a2a;           /* 暗色边框 */
      --radius:14px;
      --shadow:0 6px 20px rgba(0,0,0,.6);
      --shadow-lg:0 10px 30px rgba(0,0,0,.8);
    }
    *{margin:0;padding:0;box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      background:var(--bg);color:var(--text);line-height:1.6;
      -webkit-font-smoothing:antialiased;
    }
    body.hg-locked{overflow:hidden;}
    img{max-width:100%;display:block;}
    a{color:inherit;}
    .hg-shell{max-width:1100px;margin:0 auto;padding:0 20px;}

    .hg-topbar{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;}
    .hg-bar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
    .hg-brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
    .hg-brand img{width:40px;height:40px;border-radius:10px;object-fit:cover;background:#2a2a2a;}
    .hg-brand-copy{display:flex;flex-direction:column;line-height:1.2;}
    .hg-brand-copy strong{font-size:15px;color:#fff;}
    .hg-brand-copy small{font-size:11px;color:var(--text-light);}
    .hg-topic-tabs-inner--bar{display:flex;gap:20px;list-style:none;}
    .hg-topic-tabs-inner--bar a{text-decoration:none;color:var(--text-light);font-size:14px;transition:color .2s;}
    .hg-topic-tabs-inner--bar a:hover{color:var(--primary);}
    .hg-nav-actions{display:flex;gap:8px;}
    .hg-icon-btn{background:none;border:1px solid var(--border);border-radius:10px;padding:6px 10px;cursor:pointer;display:flex;align-items:center;gap:4px;font-size:13px;color:var(--text-light);transition:all .2s;}
    .hg-icon-btn:hover{border-color:var(--primary);color:var(--primary);}
    .hg-icon-btn b{font-size:15px;font-weight:400;}
    .hg-jelly{display:inline-block;background:var(--primary);color:#000;padding:10px 22px;border-radius:24px;text-decoration:none;font-weight:600;font-size:14px;border:none;cursor:pointer;transition:background .2s, transform .15s;white-space:nowrap;}
    .hg-jelly:hover{background:#e0e0e0;transform:translateY(-1px);}
    .hg-jelly--sm{padding:8px 18px;font-size:13px;}
    .hg-pill{display:inline-block;background:var(--card);color:var(--text);border:1px solid var(--border);padding:10px 22px;border-radius:24px;text-decoration:none;font-size:14px;font-weight:500;transition:all .2s;}
    .hg-pill:hover{border-color:var(--primary);color:var(--primary);}

    .hg-sec{padding:56px 0;}
    .hg-sec--tint{background:var(--tint);}
    .hg-head{text-align:center;margin-bottom:40px;}
    .hg-eyebrow{font-size:13px;color:var(--primary);font-weight:600;letter-spacing:1px;margin-bottom:10px;opacity:0.9;}
    .hg-title{font-size:26px;font-weight:700;margin-bottom:10px;letter-spacing:-0.3px;color:#fff;}
    .hg-desc{color:var(--text-light);font-size:15px;max-width:640px;margin:0 auto;}
    .hg-more{display:inline-block;margin-top:24px;color:var(--primary);text-decoration:none;font-size:14px;font-weight:500;}
    .hg-more:hover{text-decoration:underline;}

    .hg-ch-hero{background:linear-gradient(135deg,#141414 0%,#0a0a0a 100%);padding:48px 0 32px;}
    .hg-ch-hero .hg-head{text-align:left;margin-bottom:0;}
    .hg-ch-hero .hg-title{font-size:32px;}
    .hg-ch-note{font-size:13px;color:var(--text-light);background:var(--tint);padding:12px 20px;border-radius:12px;margin-top:24px;display:inline-block;border:1px solid var(--border);}

    .hg-ch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;}
    .hg-ch-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;text-decoration:none;transition:box-shadow .2s, transform .15s;display:flex;flex-direction:column;gap:8px;}
    .hg-ch-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:var(--primary);}
    .hg-ch-icon{width:48px;height:48px;border-radius:14px;background:#252525;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:6px;}
    .hg-ch-card b{font-size:17px;color:#fff;}
    .hg-ch-card span{font-size:13px;color:var(--primary);}
    .hg-ch-card p{font-size:13px;color:var(--text-light);}

    .hg-ch-picks{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:16px;}
    .hg-ch-pick{display:flex;gap:12px;align-items:flex-start;font-size:13px;color:var(--text-light);}
    .hg-ch-pick b{color:#fff;font-weight:600;}

    /* 新板块样式 */
    .hg-new-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px;}
    .hg-new-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:all .2s;}
    .hg-new-item:hover{border-color:var(--primary);box-shadow:var(--shadow);}
    .hg-new-item h4{font-size:15px;margin-bottom:6px;color:#fff;}
    .hg-new-item p{font-size:13px;color:var(--text-light);}
    .hg-tag{display:inline-block;background:#252525;border-radius:20px;padding:2px 12px;font-size:11px;color:var(--text-light);margin-top:8px;border:1px solid var(--border);}

    .hg-editor-picks{display:flex;flex-direction:column;gap:14px;max-width:680px;margin:0 auto;}
    .hg-editor-pick{display:flex;gap:16px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 20px;}
    .hg-editor-pick .rank{font-weight:700;font-size:20px;color:var(--primary);min-width:32px;}
    .hg-editor-pick .info b{font-size:15px;color:#fff;}
    .hg-editor-pick .info span{font-size:13px;color:var(--text-light);display:block;}

    .hg-faq-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;}
    .hg-faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;}
    .hg-faq-item h4{font-size:15px;margin-bottom:8px;color:#fff;}
    .hg-faq-item p{font-size:13px;color:var(--text-light);}

    .hg-footer{background:var(--card);border-top:1px solid var(--border);padding:50px 0 30px;}
    .hg-footer-top{display:grid;grid-template-columns:1.2fr 2fr 1fr;gap:40px;margin-bottom:36px;}
    .hg-footer-brand p{font-size:13px;color:var(--text-light);margin-top:14px;line-height:1.7;}
    .hg-footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
    .hg-footer-col h3{font-size:14px;margin-bottom:14px;color:#fff;}
    .hg-footer-col a{display:block;font-size:13px;color:var(--text-light);text-decoration:none;margin-bottom:8px;transition:color .2s;}
    .hg-footer-col a:hover{color:var(--primary);}
    .hg-footer-contact p{font-size:13px;color:var(--text-light);margin-bottom:8px;}
    .hg-footer-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:20px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:20px;font-size:13px;}
    .hg-footer-tags strong{color:#fff;margin-right:6px;}
    .hg-footer-tags span{background:#252525;color:var(--text-light);padding:4px 12px;border-radius:14px;font-size:12px;border:1px solid var(--border);}
    .hg-footer-legal{display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--text-light);}
    .hg-footer-legal a{color:var(--text-light);text-decoration:none;}
    .hg-footer-legal a:hover{color:var(--primary);}
    .hg-switch-ver{font-size:12px;color:var(--text-light);text-decoration:none;margin-left:8px;}
    .hg-switch-ver:hover{color:var(--primary);}

    @media(max-width:900px){
      .hg-footer-top{grid-template-columns:1fr;gap:28px;}
      .hg-footer-groups{grid-template-columns:repeat(2,1fr);}
      .hg-topic-tabs-inner--bar{display:none;}
      .hg-ch-hero .hg-title{font-size:26px;}
    }
    @media(max-width:640px){
      .hg-sec{padding:40px 0;}
      .hg-title{font-size:22px;}
      .hg-nav-actions .hg-icon-btn span{display:none;}
      .hg-footer-groups{grid-template-columns:1fr;}
    }