:root {
      --bg: #f6f7fb;
      --surface: #ffffff;
      --surface-2: #f1f3f7;
      --text: #181a20;
      --muted: #737887;
      --line: #e7e9ef;
      --brand: #ff5b3d;
      --brand-dark: #e8462b;
      --brand-soft: #fff0ec;
      --yellow: #ffcb45;
      --green: #24b47e;
      --shadow: 0 14px 40px rgba(18, 24, 40, 0.07);
      --radius: 22px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
    }

    a { color: inherit; text-decoration: none; }
    button, input, textarea { font: inherit; }
    button { cursor: pointer; }

    .container {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255,255,255,.9);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(231,233,239,.9);
    }

    .nav {
      min-height: 74px;
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 23px;
      font-weight: 900;
      letter-spacing: -.6px;
      white-space: nowrap;
    }

    .logo-mark {
      width: 40px;
      height: 40px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background: linear-gradient(145deg, #ff7359, #ff3f23);
      box-shadow: 0 10px 24px rgba(255,91,61,.28);
      color: #fff;
      font-size: 21px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      font-size: 14px;
      font-weight: 700;
      color: #484d5b;
    }

    .nav-links a.active,
    .nav-links a:hover { color: var(--brand); }

    .nav-actions {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-mini {
      width: 220px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--surface-2);
      padding: 0 14px;
      outline: none;
      transition: .2s;
    }
    .search-mini:focus { background: #fff; border-color: #ffc0b3; box-shadow: 0 0 0 4px var(--brand-soft); }

    .btn {
      border: 0;
      border-radius: 14px;
      padding: 12px 17px;
      font-weight: 800;
      transition: transform .2s, box-shadow .2s, background .2s;
    }
    .btn:hover { transform: translateY(-1px); }
    .btn-primary { background: var(--brand); color: #fff; box-shadow: 0 10px 22px rgba(255,91,61,.24); }
    .btn-primary:hover { background: var(--brand-dark); }
    .btn-light { background: #fff; border: 1px solid var(--line); color: #343844; }

    .hero {
      padding: 42px 0 26px;
    }

    .hero-card {
      position: relative;
      overflow: hidden;
      border-radius: 30px;
      background: #17191f;
      min-height: 360px;
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      align-items: center;
      box-shadow: var(--shadow);
    }

    .hero-card::before,
    .hero-card::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      filter: blur(4px);
    }
    .hero-card::before { width: 390px; height: 390px; background: #ff5b3d; right: -90px; top: -160px; opacity: .88; }
    .hero-card::after { width: 260px; height: 260px; background: #ffcb45; right: 160px; bottom: -180px; opacity: .75; }

    .hero-copy {
      position: relative;
      z-index: 2;
      padding: 58px 56px;
      color: #fff;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 800;
      color: #ffd5cc;
      margin-bottom: 16px;
    }

    .hero h1 {
      margin: 0;
      font-size: clamp(38px, 6vw, 68px);
      line-height: 1.05;
      letter-spacing: -2.5px;
    }

    .hero p {
      margin: 20px 0 26px;
      color: #c9ccd4;
      font-size: 17px;
      line-height: 1.8;
      max-width: 570px;
    }

    .hero-search {
      display: flex;
      gap: 10px;
      background: #fff;
      padding: 8px;
      border-radius: 18px;
      max-width: 560px;
    }
    .hero-search input {
      min-width: 0;
      flex: 1;
      border: 0;
      outline: 0;
      padding: 0 12px;
      color: #222;
    }

    .hero-art {
      position: relative;
      z-index: 2;
      height: 100%;
      min-height: 360px;
      display: grid;
      place-items: center;
    }

    .meme-window {
      width: 300px;
      border-radius: 24px;
      background: rgba(255,255,255,.93);
      box-shadow: 0 24px 60px rgba(0,0,0,.24);
      overflow: hidden;
      transform: rotate(4deg);
    }

    .meme-head { padding: 14px 16px; border-bottom: 1px solid #eceef3; display: flex; gap: 7px; }
    .dot { width: 9px; height: 9px; border-radius: 50%; background: #dadde4; }
    .meme-body { padding: 24px; }
    .meme-emoji { font-size: 72px; text-align: center; }
    .meme-text { text-align: center; font-size: 18px; line-height: 1.6; font-weight: 900; margin: 12px 0 20px; }
    .meme-meta { display: flex; justify-content: center; gap: 14px; color: #7d8290; font-size: 13px; }

    .topics {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 4px 0 22px;
      scrollbar-width: none;
    }
    .topics::-webkit-scrollbar { display: none; }
    .topic-chip {
      white-space: nowrap;
      padding: 10px 15px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--line);
      color: #575c69;
      font-size: 13px;
      font-weight: 700;
    }
    .topic-chip:hover { color: var(--brand); border-color: #ffc4b8; }

    .layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 24px;
      padding-bottom: 70px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      margin: 14px 0 16px;
    }
    .section-head h2 { margin: 0; font-size: 25px; letter-spacing: -.8px; }
    .tabs { display: flex; gap: 8px; }
    .tab {
      border: 0;
      background: transparent;
      padding: 8px 12px;
      border-radius: 10px;
      color: var(--muted);
      font-weight: 700;
    }
    .tab.active { color: var(--brand); background: var(--brand-soft); }

    .feed { display: grid; gap: 14px; }
    .post {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 22px;
      transition: .22s;
    }
    .post:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: transparent; }
    .post-top { display: flex; align-items: center; gap: 11px; }
    .avatar { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; font-size: 21px; background: var(--surface-2); }
    .author { font-weight: 900; font-size: 14px; }
    .time { color: var(--muted); font-size: 12px; margin-top: 3px; }
    .badge { margin-left: auto; font-size: 12px; font-weight: 800; color: var(--brand); background: var(--brand-soft); padding: 6px 9px; border-radius: 999px; }
    .post h3 { margin: 17px 0 11px; font-size: 20px; line-height: 1.5; letter-spacing: -.3px; }
    .post p { margin: 0; color: #555a67; line-height: 1.8; }
    .post-img {
      margin-top: 16px;
      min-height: 220px;
      border-radius: 18px;
      background: linear-gradient(135deg, #ffe8d8, #fff7e9);
      display: grid;
      place-items: center;
      padding: 28px;
      text-align: center;
    }
    .post-img .big { font-size: 72px; }
    .post-img strong { display: block; margin-top: 14px; font-size: 22px; }
    .post-actions { display: flex; gap: 22px; margin-top: 18px; color: #747986; font-size: 13px; font-weight: 800; }
    .post-actions button { border: 0; background: transparent; color: inherit; padding: 0; }
    .post-actions button:hover { color: var(--brand); }

    .sidebar { display: grid; align-content: start; gap: 18px; }
    .side-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 20px;
    }
    .side-card h3 { margin: 0 0 16px; font-size: 17px; }

    .ai-card {
      background: linear-gradient(160deg, #17191f 0%, #272a34 100%);
      color: #fff;
      border: 0;
      overflow: hidden;
      position: relative;
    }
    .ai-card::after { content:""; position:absolute; width:140px; height:140px; border-radius:50%; background:var(--brand); right:-60px; top:-60px; opacity:.35; }
    .ai-card p { color: #b9bdc8; line-height: 1.7; font-size: 13px; }
    .ai-card textarea {
      width: 100%;
      min-height: 90px;
      resize: vertical;
      border: 1px solid #3a3e49;
      background: #101217;
      color: #fff;
      border-radius: 14px;
      padding: 13px;
      outline: 0;
      margin: 8px 0 10px;
    }
    .ai-card .btn { width: 100%; }
    .ai-result {
      display: none;
      margin-top: 12px;
      padding: 13px;
      border-radius: 13px;
      background: rgba(255,255,255,.08);
      color: #f5f6fa;
      font-size: 13px;
      line-height: 1.7;
    }

    .rank-list { display: grid; gap: 14px; }
    .rank-item { display: flex; align-items: center; gap: 11px; }
    .rank-num { width: 24px; color: #a2a6b0; font-size: 14px; font-weight: 900; }
    .rank-num.top { color: var(--brand); }
    .rank-item .avatar { width: 38px; height: 38px; border-radius: 12px; font-size: 18px; }
    .rank-name { font-size: 13px; font-weight: 900; }
    .rank-score { color: var(--muted); font-size: 11px; margin-top: 2px; }

    .trend-list { display: grid; gap: 12px; }
    .trend { display: flex; gap: 10px; align-items: start; }
    .trend-index { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: var(--surface-2); font-weight: 900; font-size: 12px; }
    .trend strong { font-size: 13px; line-height: 1.5; }
    .trend small { display: block; color: var(--muted); margin-top: 3px; }

    .newsletter {
      margin: 0 0 60px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 28px;
      padding: 34px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .newsletter h2 { margin: 0 0 8px; }
    .newsletter p { margin: 0; color: var(--muted); }
    .newsletter form { display: flex; gap: 10px; min-width: 390px; }
    .newsletter input { flex: 1; border: 1px solid var(--line); border-radius: 14px; padding: 0 14px; outline: 0; }

    footer {
      background: #17191f;
      color: #aeb2bd;
      padding: 46px 0;
    }
    .footer-inner { display: flex; justify-content: space-between; gap: 28px; align-items: center; }
    footer .logo { color: #fff; }
    .footer-links { display: flex; gap: 18px; font-size: 13px; }

    .mobile-nav { display: none; }

    @media (max-width: 980px) {
      .nav-links, .search-mini { display: none; }
      .hero-card { grid-template-columns: 1fr; }
      .hero-copy { padding: 46px 34px 26px; }
      .hero-art { min-height: 300px; }
      .layout { grid-template-columns: 1fr; }
      .sidebar { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .ai-card { grid-row: span 2; }
    }

    @media (max-width: 680px) {
      body { padding-bottom: 72px; }
      .container { width: min(100% - 22px, 1180px); }
      .nav { min-height: 64px; }
      .nav-actions .btn-light { display: none; }
      .nav-actions .btn-primary { padding: 10px 13px; }
      .hero { padding-top: 18px; }
      .hero-card { border-radius: 24px; }
      .hero-copy { padding: 34px 22px 24px; }
      .hero h1 { font-size: 42px; letter-spacing: -1.5px; }
      .hero p { font-size: 14px; }
      .hero-search { flex-direction: column; background: transparent; padding: 0; }
      .hero-search input { min-height: 48px; border-radius: 14px; padding: 0 14px; }
      .hero-art { min-height: 255px; }
      .meme-window { width: 78%; }
      .section-head { align-items: center; }
      .section-head h2 { font-size: 22px; }
      .tabs .tab:nth-child(3) { display: none; }
      .post { padding: 17px; border-radius: 18px; }
      .post h3 { font-size: 18px; }
      .post-img { min-height: 185px; }
      .sidebar { grid-template-columns: 1fr; }
      .newsletter { flex-direction: column; align-items: stretch; padding: 24px; }
      .newsletter form { min-width: 0; flex-direction: column; }
      .newsletter input { min-height: 48px; }
      .footer-inner { flex-direction: column; text-align: center; }
      .footer-links { flex-wrap: wrap; justify-content: center; }
      .mobile-nav {
        display: grid;
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: 10px;
        z-index: 30;
        grid-template-columns: repeat(5, 1fr);
        background: rgba(255,255,255,.95);
        backdrop-filter: blur(16px);
        border: 1px solid var(--line);
        border-radius: 18px;
        box-shadow: 0 14px 40px rgba(0,0,0,.14);
        padding: 8px;
      }
      .mobile-nav a { display: grid; place-items: center; gap: 3px; color: #7a7f8b; font-size: 10px; font-weight: 800; }
      .mobile-nav span { font-size: 20px; }
      .mobile-nav .publish { width: 42px; height: 42px; border-radius: 14px; background: var(--brand); color: #fff; margin: -18px auto 0; box-shadow: 0 10px 24px rgba(255,91,61,.32); }
    }
  
.page-hero{padding:40px 0 18px}.page-hero-card{padding:42px;border-radius:28px;background:linear-gradient(135deg,#17191f,#292d38);color:#fff;position:relative;overflow:hidden}.page-hero-card:after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:var(--brand);right:-130px;top:-170px;opacity:.8}.page-hero h1{font-size:clamp(34px,5vw,56px);margin:0 0 12px;letter-spacing:-1.8px}.page-hero p{margin:0;color:#c9ccd4;line-height:1.8;max-width:720px}.filterbar{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.filter{border:1px solid var(--line);background:#fff;padding:10px 15px;border-radius:999px;font-weight:800;color:#666}.filter.active{background:var(--brand);border-color:var(--brand);color:#fff}.rank-card{display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center}.rank-big{font-size:28px;font-weight:900;color:#a6aab5}.rank-card:nth-child(-n+3) .rank-big{color:var(--brand)}.metric{font-size:13px;color:var(--muted)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 8px 24px rgba(18,24,40,.04);transition:.2s}.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.topic-icon{font-size:36px}.topic-card h3{margin:14px 0 8px}.topic-card p{color:var(--muted);line-height:1.7}.topic-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-top:18px}.ai-workspace{display:grid;grid-template-columns:380px 1fr;gap:24px}.panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.field{display:grid;gap:8px;margin-bottom:16px}.field label{font-size:13px;font-weight:800}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:var(--surface-2);outline:none}.field textarea{min-height:120px;resize:vertical}.result-stack{display:grid;gap:14px}.result-card{padding:20px;border-radius:18px;background:var(--surface-2);border:1px solid var(--line);line-height:1.8}.result-actions{display:flex;gap:8px;margin-top:12px}.post-detail{background:#fff;border:1px solid var(--line);border-radius:26px;padding:32px;box-shadow:var(--shadow)}.post-detail h1{font-size:34px;line-height:1.35;margin:20px 0}.post-copy{font-size:19px;line-height:2;color:#30343d}.comment{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.comment+.comment{margin-top:12px}.comment-reply{margin:14px 0 0 48px;padding:14px;border-left:3px solid var(--brand);background:var(--surface-2);border-radius:0 12px 12px 0}.pagination{display:flex;justify-content:center;gap:8px;margin:28px 0}.pagination a{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:#fff;border:1px solid var(--line);font-weight:800}.pagination a.active{background:var(--brand);color:#fff;border-color:var(--brand)}
@media(max-width:900px){.topic-grid{grid-template-columns:1fr 1fr}.ai-workspace{grid-template-columns:1fr}.rank-card{grid-template-columns:44px 1fr}.rank-card .metric{grid-column:2}.page-hero-card{padding:32px 24px}}
@media(max-width:620px){.topic-grid{grid-template-columns:1fr}.page-hero{padding-top:22px}.post-detail{padding:22px}.post-detail h1{font-size:27px}}

.pagination{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:28px 0 70px}.pagination a,.pagination .current,.pagination .page-dots{min-width:40px;height:40px;padding:0 12px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:800;color:#555b68}.pagination a:hover{border-color:#ffc0b3;color:var(--brand);background:var(--brand-soft)}.pagination .current{background:var(--brand);border-color:var(--brand);color:#fff}.pagination .page-dots{border-color:transparent;background:transparent;min-width:24px;padding:0}.pagination .page-summary{margin-right:8px;color:var(--muted);font-size:13px}@media(max-width:640px){.pagination{gap:6px}.pagination a,.pagination .current{min-width:36px;height:36px;padding:0 9px}.pagination .page-summary{width:100%;text-align:center;margin:0 0 4px}}