/* roulang page: index */
:root {
      --ink: #171923;
      --muted: #747887;
      --soft: #a4a8b5;
      --paper: #fbfbfd;
      --surface: #ffffff;
      --line: #e9eaf0;
      --violet: #7557ef;
      --violet-dark: #5540c8;
      --coral: #ff6b55;
      --cyan: #30c9c9;
      --yellow: #f4c64d;
      --green: #39b779;
      --radius-xl: 28px;
      --radius-lg: 20px;
      --radius-md: 14px;
      --shadow-sm: 0 8px 24px rgba(23, 25, 35, .06);
      --shadow-lg: 0 22px 55px rgba(48, 39, 96, .14);
      --ease: 220ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    img { max-width: 100%; display: block; }
    .container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
    .section { padding: 104px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--violet-dark);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0;
      text-transform: uppercase;
    }
    .eyebrow::before {
      content: "";
      width: 24px;
      height: 3px;
      border-radius: 3px;
      background: var(--coral);
    }
    h1, h2, h3, p { margin-top: 0; }
    h1, h2, h3 { line-height: 1.2; letter-spacing: 0; }
    h1 { font-size: clamp(42px, 6vw, 76px); margin-bottom: 24px; }
    h2 { font-size: clamp(30px, 4vw, 48px); margin-bottom: 18px; }
    h3 { font-size: 20px; margin-bottom: 10px; }
    .section-heading { max-width: 650px; margin-bottom: 42px; }
    .section-heading p { color: var(--muted); font-size: 16px; max-width: 600px; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(251,251,253,.9);
      border-bottom: 1px solid rgba(233,234,240,.8);
      backdrop-filter: blur(18px);
    }
    .nav {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .brand {
      flex: 0 0 auto;
      display: flex;
      align-items: center;
      gap: 11px;
      font-weight: 900;
      font-size: 17px;
      white-space: nowrap;
    }
    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      color: #fff;
      border-radius: 11px;
      background: linear-gradient(135deg, var(--violet), var(--coral));
      box-shadow: 0 8px 18px rgba(117,87,239,.24);
      font-size: 15px;
    }
    .search {
      flex: 1 1 420px;
      max-width: 560px;
      position: relative;
    }
    .search input {
      width: 100%;
      height: 46px;
      padding: 0 50px 0 18px;
      border: 1px solid var(--line);
      border-radius: 15px;
      outline: 0;
      color: var(--ink);
      background: #fff;
      transition: var(--ease);
    }
    .search input::placeholder { color: #afb2bd; }
    .search input:hover { border-color: #cfc9f8; }
    .search input:focus {
      border-color: var(--violet);
      box-shadow: 0 0 0 4px rgba(117,87,239,.12);
    }
    .search button {
      position: absolute;
      right: 6px;
      top: 5px;
      width: 36px;
      height: 36px;
      border: 0;
      border-radius: 11px;
      color: #fff;
      background: var(--violet);
      transition: var(--ease);
    }
    .search button:hover { background: var(--violet-dark); transform: translateY(-1px); }
    .nav-links { display: flex; align-items: center; gap: 7px; margin-left: auto; }
    .nav-links a {
      padding: 9px 12px;
      color: var(--muted);
      font-size: 14px;
      border-radius: 10px;
      transition: var(--ease);
    }
    .nav-links a:hover, .nav-links a.active { color: var(--violet-dark); background: #f0eeff; }
    .nav-toggle { display: none; border: 0; background: transparent; font-size: 24px; }
    .hero {
      min-height: 720px;
      display: flex;
      align-items: center;
      overflow: hidden;
      padding: 76px 0 90px;
      background:
        radial-gradient(circle at 82% 20%, rgba(48,201,201,.18), transparent 25%),
        radial-gradient(circle at 15% 70%, rgba(255,107,85,.13), transparent 28%),
        linear-gradient(135deg, #f8f6ff 0%, #fff 48%, #f2fcfb 100%);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(410px, .86fr);
      align-items: center;
      gap: 70px;
    }
    .hero-copy { max-width: 700px; }
    .hero-copy h1 span {
      display: block;
      color: var(--violet);
    }
    .hero-copy > p { max-width: 620px; color: var(--muted); font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 32px; }
    .button {
      display: inline-flex;
      justify-content: center;
      align-items: center;
      min-height: 46px;
      padding: 0 20px;
      border: 1px solid transparent;
      border-radius: 13px;
      font-size: 14px;
      font-weight: 800;
      transition: var(--ease);
    }
    .button-primary {
      color: #fff;
      background: linear-gradient(100deg, var(--violet), #9275ff);
      box-shadow: 0 12px 22px rgba(117,87,239,.25);
    }
    .button-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 28px rgba(117,87,239,.32); }
    .button-secondary { color: var(--ink); background: #fff; border-color: var(--line); }
    .button-secondary:hover { border-color: var(--violet); color: var(--violet-dark); }
    .hero-stats { display: flex; flex-wrap: wrap; gap: 26px; }
    .hero-stat strong { display: block; font-size: 25px; line-height: 1.1; }
    .hero-stat span { color: var(--muted); font-size: 12px; }
    .preview-stage {
      position: relative;
      min-height: 448px;
      padding: 24px;
      border-radius: 32px;
      background: #1d1e29;
      box-shadow: var(--shadow-lg);
      transform: rotate(1.5deg);
    }
    .preview-stage::before {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -55px;
      top: -45px;
      border-radius: 50%;
      background: var(--coral);
      opacity: .85;
      filter: blur(2px);
    }
    .preview-top { position: relative; display: flex; justify-content: space-between; align-items: center; color: #fff; font-size: 13px; }
    .live-dot { display: inline-flex; align-items: center; gap: 7px; }
    .live-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(48,201,201,.16); }
    .preview-main {
      position: relative;
      height: 250px;
      margin: 24px 0 18px;
      overflow: hidden;
      border-radius: 22px;
      background:
        linear-gradient(140deg, rgba(117,87,239,.9), rgba(255,107,85,.64)),
        repeating-linear-gradient(120deg, transparent 0 26px, rgba(255,255,255,.13) 27px 29px);
    }
    .preview-main::after {
      content: "精选主题";
      position: absolute;
      left: 22px;
      bottom: 20px;
      color: #fff;
      font-size: 26px;
      font-weight: 900;
    }
    .preview-badge { position: absolute; top: 18px; right: 18px; padding: 5px 9px; color: #fff; border-radius: 8px; background: rgba(23,25,35,.52); font-size: 12px; }
    .preview-feed { position: relative; display: grid; gap: 10px; }
    .feed-line { display: flex; align-items: center; gap: 12px; padding: 11px 13px; color: #d6d5df; border-radius: 12px; background: rgba(255,255,255,.08); font-size: 13px; }
    .feed-line b { color: #fff; font-size: 14px; }
    .feed-line em { margin-left: auto; color: var(--cyan); font-style: normal; font-size: 11px; }
    .band-soft { background: #f2f2f7; }
    .issue-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .issue-card {
      min-height: 210px;
      padding: 25px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--surface);
      transition: var(--ease);
    }
    .issue-card:hover { transform: translateY(-5px); border-color: #d6cffc; box-shadow: var(--shadow-sm); }
    .issue-card p { color: var(--muted); font-size: 14px; }
    .mini-badge, .tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 9px;
      border-radius: 8px;
      font-size: 11px;
      font-weight: 800;
    }
    .mini-badge { color: var(--violet-dark); background: #efedff; }
    .tag { color: #59606d; background: #f0f1f4; }
    .stream-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; }
    .stream-feature, .stream-list { padding: 24px; border-radius: var(--radius-xl); background: #fff; box-shadow: var(--shadow-sm); }
    .cover {
      min-height: 260px;
      display: flex;
      align-items: end;
      padding: 22px;
      overflow: hidden;
      border-radius: 19px;
      color: #fff;
      background:
        linear-gradient(140deg, rgba(117,87,239,.85), rgba(48,201,201,.6)),
        linear-gradient(35deg, #202334 20%, #ee725f 80%);
    }
    .cover h3 { max-width: 360px; margin: 0; font-size: 28px; }
    .stream-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; }
    .stream-item { display: grid; grid-template-columns: 90px 1fr; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
    .stream-item:last-child { border-bottom: 0; }
    .thumb { min-height: 76px; border-radius: 12px; background: linear-gradient(145deg, var(--coral), var(--yellow)); }
    .thumb.cyan { background: linear-gradient(145deg, var(--cyan), #6685f3); }
    .thumb.dark { background: linear-gradient(145deg, #292b3d, var(--violet)); }
    .stream-item h3 { margin-bottom: 4px; font-size: 16px; }
    .stream-item p { margin-bottom: 6px; color: var(--muted); font-size: 12px; }
    .metric-section { color: #fff; background: #252536; }
    .metric-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; }
    .metric-section .section-heading p { color: #b9b9c9; }
    .metric-number { font-size: clamp(58px, 8vw, 100px); font-weight: 900; line-height: 1; color: #fff; }
    .metric-number span { color: var(--coral); }
    .bars { display: grid; gap: 25px; }
    .bar-row header { display: flex; justify-content: space-between; margin-bottom: 8px; color: #d8d8df; font-size: 14px; }
    .bar { height: 10px; overflow: hidden; border-radius: 10px; background: #414153; }
    .bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--coral), var(--yellow)); }
    .bar i.cyan-bar { background: linear-gradient(90deg, var(--cyan), #83e3bf); }
    .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
    .step { position: relative; padding: 27px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); }
    .step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 28px; color: var(--coral); font-size: 31px; font-weight: 900; }
    .step p { color: var(--muted); font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .review { padding: 24px; border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); }
    .review-head { display: flex; align-items: center; gap: 12px; margin-bottom: 15px; }
    .avatar { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; border-radius: 14px; background: linear-gradient(135deg, var(--coral), var(--violet)); font-weight: 900; }
    .review small { color: var(--soft); }
    .review p { margin-bottom: 15px; color: #4d5260; font-size: 14px; }
    .faq-list { max-width: 850px; }
    .faq-list details { padding: 20px 0; border-bottom: 1px solid var(--line); }
    .faq-list summary { cursor: pointer; list-style: none; font-size: 17px; font-weight: 800; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; float: right; color: var(--violet); font-size: 25px; font-weight: 400; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { max-width: 760px; margin: 12px 0 0; color: var(--muted); font-size: 14px; }
    .cta {
      padding: 64px;
      border-radius: var(--radius-xl);
      color: #fff;
      background: linear-gradient(115deg, #5b45d1, #8a68ec 55%, #ec725d);
      box-shadow: var(--shadow-lg);
    }
    .cta h2 { max-width: 600px; }
    .cta p { max-width: 650px; color: #edeafd; }
    .cta-form { display: flex; max-width: 680px; gap: 10px; margin-top: 26px; }
    .cta-form input { flex: 1; min-width: 0; height: 48px; padding: 0 16px; border: 0; border-radius: 13px; outline: 0; }
    .cta-form input:focus { box-shadow: 0 0 0 4px rgba(255,255,255,.25); }
    .cta-form .button { color: var(--ink); background: #fff; }
    .cta-form .button:hover { background: #f2f0ff; transform: translateY(-2px); }
    .site-footer { padding: 58px 0 26px; color: #c1c2cd; background: #1d1e29; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 42px; }
    .footer-brand { color: #fff; }
    .footer-brand p { max-width: 290px; color: #9496a6; font-size: 13px; }
    .footer-title { margin-bottom: 14px; color: #fff; font-weight: 800; font-size: 14px; }
    .footer-links { display: grid; gap: 8px; }
    .footer-links a { color: #a9aab7; font-size: 13px; transition: var(--ease); }
    .footer-links a:hover { color: #fff; }
    .footer-note { color: #858795; font-size: 12px; }
    .copyright { padding-top: 22px; border-top: 1px solid #343542; color: #777988; font-size: 12px; }
    .status { display: none; margin-top: 10px; color: #ffe2dc; font-size: 13px; }
    @media (max-width: 1024px) {
      .hero-grid { gap: 36px; grid-template-columns: 1fr .85fr; }
      .issue-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, 620px); }
      .nav { gap: 12px; }
      .brand { font-size: 14px; }
      .nav-links { display: none; }
      .nav-toggle { display: block; margin-left: auto; }
      .search { order: 3; flex-basis: 100%; display: none; }
      .site-header.open .nav { flex-wrap: wrap; padding: 13px 0; }
      .site-header.open .search { display: block; }
      .site-header.open .nav-toggle { transform: rotate(90deg); }
      .hero { min-height: auto; padding: 70px 0 74px; }
      .hero-grid, .stream-grid, .metric-layout { grid-template-columns: 1fr; }
      .preview-stage { min-height: 400px; transform: none; }
      .section { padding: 76px 0; }
      .steps { grid-template-columns: 1fr; }
      .step::before { margin-bottom: 12px; }
      .review-grid { grid-template-columns: 1fr; }
      .cta { padding: 34px 24px; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 24px, 480px); }
      h1 { font-size: 42px; }
      h2 { font-size: 32px; }
      .hero-copy > p { font-size: 16px; }
      .hero-actions, .cta-form { flex-direction: column; }
      .hero-actions .button, .cta-form .button { width: 100%; }
      .hero-stats { gap: 18px; }
      .issue-grid { grid-template-columns: 1fr; }
      .issue-card { min-height: 170px; }
      .preview-stage { padding: 17px; }
      .preview-main { height: 215px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 18px; }
    }

/* roulang page: category1 */
:root{
      --bg:#111316;
      --bg-soft:#181b20;
      --surface:#ffffff;
      --surface-soft:#f5f7fb;
      --surface-dark:#1d2128;
      --text:#17191d;
      --text-invert:#f8fafc;
      --muted:#68707d;
      --muted-invert:#b9c0cc;
      --line:#e5e8ef;
      --line-dark:rgba(255,255,255,.12);
      --brand:#ff3d6e;
      --brand-2:#00d1b2;
      --brand-3:#ffb020;
      --accent:#6c5ce7;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:24px;
      --shadow:0 18px 55px rgba(16,24,40,.12);
      --shadow-soft:0 10px 30px rgba(16,24,40,.08);
      --container:1180px;
      --nav-height:76px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(255,61,110,.14), transparent 30%),
        radial-gradient(circle at 84% 0%, rgba(0,209,178,.12), transparent 28%),
        linear-gradient(180deg,#fbfcff 0%,#f3f5fa 52%,#101216 52%,#101216 100%);
      line-height:1.65;
      letter-spacing:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer}
    input,select{outline:none}
    :focus-visible{outline:3px solid rgba(0,209,178,.35);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      border-bottom:1px solid rgba(229,232,239,.8);
      backdrop-filter:blur(18px);
    }
    .nav{
      min-height:var(--nav-height);
      display:grid;
      grid-template-columns:auto minmax(280px,1fr) auto auto;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      color:#14161a;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:14px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 10px 26px rgba(255,61,110,.25);
      font-size:18px;
      font-weight:900;
    }
    .search{
      position:relative;
      display:flex;
      align-items:center;
      background:#fff;
      border:1px solid var(--line);
      border-radius:999px;
      box-shadow:0 10px 30px rgba(16,24,40,.06);
      overflow:hidden;
      transition:var(--ease);
    }
    .search:focus-within{
      border-color:rgba(255,61,110,.55);
      box-shadow:0 0 0 5px rgba(255,61,110,.08),0 14px 36px rgba(16,24,40,.1);
    }
    .search input{
      width:100%;
      border:0;
      background:transparent;
      padding:14px 16px 14px 22px;
      color:var(--text);
    }
    .search input::placeholder{color:#8b93a1}
    .search button{
      width:46px;
      height:46px;
      margin:4px;
      border:0;
      border-radius:999px;
      background:linear-gradient(135deg,var(--brand),var(--accent));
      color:#fff;
      font-size:22px;
      transition:var(--ease);
    }
    .search button:hover{filter:brightness(1.08);transform:translateY(-1px)}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
    }
    .nav-links a{
      padding:10px 13px;
      border-radius:999px;
      color:#424957;
      font-weight:700;
      transition:var(--ease);
    }
    .nav-links a:hover{
      background:#f0f3f8;
      color:#15171b;
    }
    .nav-links a.active{
      color:#fff;
      background:#15171b;
      box-shadow:0 10px 24px rgba(17,19,22,.16);
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:#15171b;
      font-size:20px;
      transition:var(--ease);
    }
    .nav-toggle:hover{border-color:rgba(255,61,110,.45);box-shadow:var(--shadow-soft)}
    main{overflow:hidden}
    .section{padding:74px 0}
    .hero-category{
      padding:46px 0 38px;
      background:linear-gradient(180deg,rgba(255,255,255,.7),rgba(255,255,255,.15));
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:22px;
    }
    .breadcrumb a{font-weight:700;color:#343943}
    .breadcrumb span:last-child{color:#16191e;font-weight:800}
    .title-strip{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
      gap:28px;
      align-items:stretch;
    }
    .title-panel{
      padding:30px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(229,232,239,.85);
      box-shadow:var(--shadow-soft);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-3));
      padding:7px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      margin-bottom:18px;
    }
    h1{
      margin:0;
      font-size:clamp(32px,5vw,58px);
      line-height:1.08;
      font-weight:950;
      letter-spacing:0;
      color:#111316;
    }
    .hero-lead{
      max-width:760px;
      margin:18px 0 0;
      color:#555e6c;
      font-size:17px;
    }
    .hero-actions{
      margin-top:24px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      transition:var(--ease);
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--accent));
      box-shadow:0 14px 32px rgba(255,61,110,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 42px rgba(255,61,110,.3)}
    .btn-secondary{
      color:#16191e;
      background:#fff;
      border-color:var(--line);
    }
    .btn-secondary:hover{border-color:rgba(0,209,178,.5);box-shadow:var(--shadow-soft);transform:translateY(-1px)}
    .btn:active{transform:translateY(0) scale(.99)}
    .btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;filter:none}
    .data-panel{
      position:relative;
      border-radius:var(--radius-lg);
      background:#15171b;
      color:#fff;
      padding:24px;
      box-shadow:0 24px 60px rgba(17,19,22,.22);
      overflow:hidden;
    }
    .data-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg,rgba(255,61,110,.35),transparent 36%),
        linear-gradient(315deg,rgba(0,209,178,.24),transparent 45%);
      pointer-events:none;
    }
    .data-panel>*{position:relative}
    .report-cover{
      min-height:194px;
      border-radius:22px;
      padding:20px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.14),rgba(255,255,255,.04)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.08) 0 1px,transparent 1px 12px);
      border:1px solid rgba(255,255,255,.14);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .report-cover strong{font-size:24px;line-height:1.22}
    .cover-meta{display:flex;gap:8px;flex-wrap:wrap}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      color:#252017;
      background:#fff;
      border:1px solid rgba(255,255,255,.25);
      white-space:nowrap;
    }
    .badge.hot{color:#fff;background:linear-gradient(135deg,var(--brand),#ff7a45)}
    .badge.green{color:#063a32;background:#b8fff2}
    .badge.dark{color:#fff;background:rgba(255,255,255,.14)}
    .toc-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .toc-list li{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      color:var(--muted-invert);
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.08);
    }
    .toc-list b{color:#fff}
    .filter-shell{
      margin-top:26px;
      padding:18px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(229,232,239,.92);
      box-shadow:var(--shadow-soft);
    }
    .filter-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
    }
    .filter-label{
      color:#4d5563;
      font-weight:850;
      margin-right:4px;
    }
    .chip{
      border:1px solid var(--line);
      background:#fff;
      color:#3b424d;
      border-radius:999px;
      padding:9px 13px;
      font-weight:800;
      transition:var(--ease);
    }
    .chip:hover{border-color:rgba(255,61,110,.5);color:#111316;box-shadow:0 10px 24px rgba(16,24,40,.08)}
    .chip.active{
      color:#fff;
      background:#111316;
      border-color:#111316;
    }
    .select-control{
      min-height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      padding:0 14px;
      background:#fff;
      color:#303640;
      font-weight:750;
    }
    .body-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 300px;
      gap:28px;
      align-items:start;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:24px;
    }
    .section-kicker{
      color:var(--brand);
      font-weight:900;
      margin-bottom:5px;
    }
    h2{
      margin:0;
      font-size:clamp(26px,3vw,40px);
      line-height:1.16;
      font-weight:950;
      color:#15171b;
    }
    .section-desc{
      margin:8px 0 0;
      color:var(--muted);
      max-width:680px;
    }
    .view-switch{
      display:flex;
      padding:5px;
      border-radius:999px;
      background:#eef1f6;
      gap:4px;
    }
    .view-switch button{
      border:0;
      border-radius:999px;
      background:transparent;
      padding:8px 12px;
      font-weight:850;
      color:#606978;
      transition:var(--ease);
    }
    .view-switch button.active{background:#fff;color:#16191e;box-shadow:0 8px 18px rgba(16,24,40,.09)}
    .feed-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .feed-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(229,232,239,.9);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:var(--ease);
    }
    .feed-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,61,110,.34);
      box-shadow:var(--shadow);
    }
    .cover{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:#20242b;
    }
    .cover.pattern-a{background:linear-gradient(135deg,#ff3d6e 0%,#6c5ce7 48%,#111316 100%)}
    .cover.pattern-b{background:linear-gradient(135deg,#00d1b2 0%,#1f2937 54%,#ffb020 100%)}
    .cover.pattern-c{background:linear-gradient(135deg,#15171b 0%,#ff7a45 48%,#00d1b2 100%)}
    .cover.pattern-d{background:linear-gradient(135deg,#6c5ce7 0%,#111316 50%,#ff3d6e 100%)}
    .cover:after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg,transparent,rgba(0,0,0,.35)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.11) 0 1px,transparent 1px 18px);
      opacity:.75;
    }
    .cover .badge{
      position:absolute;
      left:14px;
      top:14px;
      z-index:1;
    }
    .cover-title{
      position:absolute;
      z-index:1;
      left:16px;
      right:16px;
      bottom:14px;
      color:#fff;
      font-size:22px;
      line-height:1.18;
      font-weight:950;
    }
    .feed-body{padding:18px}
    .feed-body h3{
      margin:0 0 8px;
      font-size:20px;
      line-height:1.3;
      color:#15171b;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .feed-body p{
      margin:0;
      color:#626b79;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:14px 0;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      background:#f0f3f8;
      color:#46505d;
      font-size:12px;
      font-weight:800;
    }
    .card-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#7b8492;
      font-size:13px;
      border-top:1px solid var(--line);
      padding-top:14px;
    }
    .card-link{
      color:#111316;
      font-weight:900;
    }
    .card-link:hover{color:var(--brand)}
    .side-panel{
      position:sticky;
      top:96px;
      display:grid;
      gap:16px;
    }
    .mini-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(229,232,239,.9);
      box-shadow:var(--shadow-soft);
      padding:18px;
    }
    .mini-card.dark{
      color:#fff;
      background:#15171b;
      border-color:rgba(255,255,255,.1);
    }
    .mini-title{
      margin:0 0 12px;
      font-size:18px;
      line-height:1.3;
      font-weight:950;
    }
    .rank-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .rank-list li{
      display:grid;
      grid-template-columns:30px 1fr auto;
      align-items:center;
      gap:10px;
      padding:10px;
      border-radius:14px;
      background:#f5f7fb;
      color:#3d4652;
    }
    .rank-list li span:first-child{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:#111316;
      color:#fff;
      font-weight:900;
    }
    .rank-list em{
      font-style:normal;
      color:var(--brand);
      font-weight:900;
      font-size:12px;
    }
    .lead-form{
      display:grid;
      gap:10px;
    }
    .lead-form input{
      width:100%;
      min-height:46px;
      border:1px solid var(--line-dark);
      color:#fff;
      background:rgba(255,255,255,.08);
      border-radius:14px;
      padding:0 14px;
    }
    .lead-form input::placeholder{color:#c8ced8}
    .form-tip{
      margin:0;
      color:var(--muted-invert);
      font-size:13px;
    }
    .error-text{
      display:none;
      color:#ffb3c5;
      font-size:13px;
      font-weight:800;
    }
    .lead-form.error .error-text{display:block}
    .lead-form.error input{border-color:#ff7a9a;box-shadow:0 0 0 4px rgba(255,61,110,.14)}
    .stats-band{
      background:#101216;
      color:#fff;
      padding:70px 0;
    }
    .stats-layout{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:30px;
      align-items:center;
    }
    .stats-copy h2{color:#fff}
    .stats-copy p{color:var(--muted-invert)}
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .stat-card{
      border-radius:var(--radius-lg);
      padding:22px;
      background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.05));
      border:1px solid rgba(255,255,255,.1);
    }
    .stat-number{
      display:block;
      font-size:42px;
      line-height:1;
      font-weight:950;
      color:#fff;
    }
    .stat-card:nth-child(2) .stat-number{color:#9effef}
    .stat-card:nth-child(3) .stat-number{color:#ffd18a}
    .stat-card p{margin:8px 0 0;color:var(--muted-invert)}
    .progress{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      margin-top:16px;
      overflow:hidden;
    }
    .progress i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--brand),var(--brand-2));
    }
    .flow-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .step-card{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:14px;
      padding:20px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .step-num{
      width:54px;
      height:54px;
      display:grid;
      place-items:center;
      border-radius:18px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand-2),var(--accent));
      font-weight:950;
      font-size:20px;
    }
    .step-card h3{margin:0 0 5px;font-size:19px}
    .step-card p{margin:0;color:var(--muted)}
    .comment-flow{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .comment-card{
      border-radius:var(--radius-lg);
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .comment-card:hover{transform:translateY(-3px);border-color:rgba(0,209,178,.45)}
    .comment-head{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:12px;
    }
    .avatar{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff;
      font-weight:950;
    }
    .comment-head strong{display:block;color:#15171b}
    .comment-head span{display:block;color:#858e9b;font-size:12px}
    .comment-card p{margin:0;color:#505967}
    .faq-wrap{
      display:grid;
      gap:12px;
      max-width:900px;
      margin:0 auto;
    }
    .faq-item{
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      border:0;
      background:#fff;
      color:#15171b;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:18px 20px;
      text-align:left;
      font-weight:950;
      transition:var(--ease);
    }
    .faq-question:hover{background:#f7f9fc}
    .faq-question span:last-child{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:#f0f3f8;
      flex:0 0 auto;
    }
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:#626b79;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{background:#111316;color:#fff}
    .empty-state,.loading-state,.no-result-state{
      border:1px dashed #cfd5df;
      border-radius:var(--radius-lg);
      padding:22px;
      background:#fff;
      color:#626b79;
      text-align:center;
    }
    .loading-dot{
      display:inline-block;
      width:8px;
      height:8px;
      margin:0 3px;
      border-radius:50%;
      background:var(--brand);
      animation:pulse 1s infinite ease-in-out;
    }
    .loading-dot:nth-child(2){animation-delay:.12s}
    .loading-dot:nth-child(3){animation-delay:.24s}
    @keyframes pulse{0%,100%{opacity:.35;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}
    .pager{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .pager a,.pager button{
      min-width:44px;
      height:44px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:#303640;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-weight:850;
      transition:var(--ease);
    }
    .pager a:hover,.pager button:hover{border-color:rgba(255,61,110,.5);box-shadow:var(--shadow-soft)}
    .pager .active{background:#111316;color:#fff;border-color:#111316}
    .cta-section{
      padding:76px 0;
      background:
        linear-gradient(135deg,rgba(255,61,110,.92),rgba(108,92,231,.9) 50%,rgba(0,209,178,.88)),
        #15171b;
      color:#fff;
    }
    .cta-box{
      display:grid;
      grid-template-columns:1fr minmax(300px,420px);
      gap:24px;
      align-items:center;
    }
    .cta-box h2{color:#fff}
    .cta-box p{color:rgba(255,255,255,.86);margin:10px 0 0}
    .cta-search{
      display:flex;
      gap:8px;
      padding:8px;
      border-radius:22px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.2);
      backdrop-filter:blur(12px);
    }
    .cta-search input{
      min-width:0;
      flex:1;
      border:0;
      border-radius:16px;
      padding:0 14px;
      background:#fff;
      color:#15171b;
    }
    .cta-search button{
      border:0;
      border-radius:16px;
      padding:12px 16px;
      background:#111316;
      color:#fff;
      font-weight:900;
      transition:var(--ease);
    }
    .cta-search button:hover{background:#000;transform:translateY(-1px)}
    .site-footer{
      background:#101216;
      color:#fff;
      padding:48px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand .brand{color:#fff}
    .footer-brand p,.footer-note{
      margin:14px 0 0;
      color:var(--muted-invert);
    }
    .footer-title{
      color:#fff;
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted-invert);
      transition:var(--ease);
    }
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.1);
      color:#929baa;
      font-size:14px;
    }

    @media (max-width:1024px){
      .nav{grid-template-columns:auto minmax(220px,1fr) auto}
      .nav-toggle{display:grid;place-items:center}
      .nav-links{
        grid-column:1/-1;
        display:none;
        padding:0 0 16px;
        overflow:auto;
      }
      .site-header.is-open .nav-links{display:flex}
      .title-strip,.body-grid,.stats-layout,.cta-box{grid-template-columns:1fr}
      .side-panel{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .comment-flow{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      :root{--nav-height:68px}
      .container{width:min(100% - 28px,var(--container))}
      .nav{grid-template-columns:1fr auto;gap:12px}
      .brand span:last-child{max-width:210px;white-space:normal;line-height:1.15}
      .search{
        grid-column:1/-1;
        order:3;
        width:100%;
      }
      .nav-links{order:4}
      .hero-category{padding:28px 0 30px}
      .title-panel,.data-panel,.filter-shell{padding:18px;border-radius:20px}
      .feed-grid,.flow-grid,.stats-grid,.side-panel,.comment-flow,.footer-grid{grid-template-columns:1fr}
      .section{padding:52px 0}
      .section-head{display:block}
      .view-switch{margin-top:14px;width:max-content}
      .step-card{grid-template-columns:46px 1fr}
      .step-num{width:46px;height:46px;border-radius:15px}
      .cta-search{display:grid}
      .cta-search input{min-height:46px}
    }
    @media (max-width:520px){
      body{background:#f5f7fb}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .brand{font-size:14px}
      h1{font-size:32px}
      .hero-lead{font-size:15px}
      .hero-actions .btn{width:100%}
      .filter-row{align-items:stretch}
      .chip,.select-control{width:100%;text-align:center}
      .cover-title{font-size:19px}
      .card-meta{display:grid;gap:8px}
      .stat-number{font-size:34px}
      .pager a,.pager button{min-width:40px;height:40px}
    }