:root {
      --ink: #111211;
      --paper: #f5f1e8;
      --paper-deep: #e8e1d3;
      --line: rgba(17, 18, 17, .16);
      --muted: #67645e;
      --blue: #2447d8;
      --blue-deep: #102ca7;
      --signal: #d5ff52;
      --max: 1180px;
      --ease-out: cubic-bezier(.22, 1, .36, 1);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
      margin: 0; min-width: 320px;
      background-color: var(--paper);
      background-image:
        linear-gradient(rgba(36,71,216,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(36,71,216,.035) 1px, transparent 1px),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.045'/%3E%3C/svg%3E");
      background-size: 40px 40px, 40px 40px, 160px 160px;
      color: var(--ink);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    ::selection { background: var(--signal); color: var(--ink); }
    ::-webkit-scrollbar { width: 10px; height: 10px; }
    ::-webkit-scrollbar-track { background: var(--paper); }
    ::-webkit-scrollbar-thumb { background: #d9d3c5; border: 2px solid var(--paper); }
    ::-webkit-scrollbar-thumb:hover { background: var(--muted); }
    a { color: inherit; }
    button, input, textarea { font: inherit; }
    h1, h2, h3 { text-wrap: balance; }

    @keyframes rise-in {
      from { opacity: 0; translate: 0 24px; }
      to { opacity: 1; translate: 0 0; }
    }

    .shell { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
    .topbar { border-bottom: 1px solid var(--line); box-shadow: inset 0 -2px 0 rgba(36,71,216,.12); position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter: blur(12px); transition: background-color .25s ease, box-shadow .25s ease; }
    .topbar.is-scrolled { box-shadow: 0 12px 32px -20px rgba(17, 18, 17, .45); }
    .topbar-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: baseline; gap: 10px; font-size: 14px; letter-spacing: -.02em; font-weight: 800; text-decoration: none; white-space: nowrap; }
    .brand-mark { display: inline-grid; place-items: center; width: 26px; height: 26px; background: var(--ink); color: var(--paper); font-size: 10px; letter-spacing: .04em; transition: background-color .2s var(--ease-out), rotate .3s var(--ease-out); }
    .brand:hover .brand-mark { background: var(--blue); rotate: -4deg; }
    .brand small { color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
    .main-nav { display: flex; align-items: stretch; height: 72px; }
    .main-nav a { display: grid; place-items: center; padding: 0 18px; border-left: 1px solid var(--line); font-size: 14px; font-weight: 700; text-decoration: none; transition: background-color .18s var(--ease-out), color .18s var(--ease-out); }
    .main-nav a:last-child { border-right: 1px solid var(--line); }
    .main-nav a:hover, .main-nav a:focus-visible { background: var(--ink); color: var(--paper); outline: none; }
    .main-nav .is-current { background: var(--blue); color: white; }
    .hero { min-height: 510px; display: grid; align-items: end; grid-template-columns: minmax(0, 1.16fr) minmax(280px, .84fr); gap: 42px; padding: 86px 0 54px; border-bottom: 1px solid var(--line); }
    .eyebrow, .section-kicker { margin: 0 0 14px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
    .eyebrow::before, .section-kicker::before { content: ''; display: inline-block; width: 22px; height: 1px; background: currentColor; margin-right: 10px; vertical-align: 4px; }
    .hero h1 { max-width: 780px; margin: 0; font-family: ui-serif, Georgia, "Noto Serif SC", "Songti SC", serif; font-size: clamp(44px, 7.3vw, 94px); line-height: .94; letter-spacing: -.075em; font-weight: 800; }
    .hero-copy { max-width: 540px; margin: 28px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
    .action { display: inline-flex; align-items: center; gap: 26px; min-height: 48px; padding: 0 16px; border: 1px solid var(--ink); font-size: 13px; font-weight: 800; text-decoration: none; transition: background-color .18s var(--ease-out), color .18s var(--ease-out), translate .18s var(--ease-out), box-shadow .18s var(--ease-out); }
    .action::after { content: '↗'; font-size: 17px; line-height: 1; transition: translate .2s var(--ease-out); }
    .action.primary { background: var(--ink); color: var(--paper); }
    .action:hover, .action:focus-visible { background: var(--signal); color: var(--ink); outline: none; translate: -2px -2px; box-shadow: 4px 4px 0 var(--blue); }
    .action:hover::after { translate: 2px -2px; }
    .action:active { translate: 0 0; box-shadow: 0 0 0 var(--blue); }
    .editorial-prompt { position: relative; min-height: 320px; display: flex; flex-direction: column; justify-content: space-between; padding: 26px; background: var(--ink); color: var(--paper); box-shadow: 9px 9px 0 rgba(36,71,216,.9); }
    .editorial-prompt::before { content: ''; position: absolute; inset: 8px; border: 1px solid rgba(213,255,82,.16); pointer-events: none; }
    .editorial-prompt .section-kicker { color: var(--signal); }
    .editorial-prompt h2 { max-width: 360px; margin: 0; font-size: clamp(27px, 3.3vw, 42px); line-height: 1.03; letter-spacing: -.055em; }
    .editorial-prompt p { margin: 20px 0 0; color: #c7c3bb; line-height: 1.7; }
    .editorial-prompt a { display: inline-flex; justify-content: space-between; align-items: center; margin-top: 30px; padding-top: 14px; border-top: 1px solid rgba(245, 241, 232, .28); font-size: 13px; font-weight: 800; text-decoration: none; transition: color .18s var(--ease-out); }
    .editorial-prompt a::after { content: '进入看文 →'; color: var(--signal); }
    .editorial-prompt a:hover { color: var(--signal); }
    .section { padding: 76px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 74px; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
    .section-head h2 { margin: 0; font-family: ui-serif, Georgia, "Noto Serif SC", "Songti SC", serif; font-size: clamp(32px, 4vw, 53px); letter-spacing: -.06em; line-height: 1; }
    .section-head p { max-width: 350px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
    .read-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 22px; }
    .article-lead { display: block; min-height: 264px; padding: 28px; background: var(--blue); color: white; text-decoration: none; transition: background-color .22s var(--ease-out), translate .22s var(--ease-out), box-shadow .22s var(--ease-out); }
    .article-lead:hover, .article-lead:focus-visible { background: var(--blue-deep); outline: none; translate: -3px -3px; box-shadow: 7px 7px 0 var(--ink); }
    .article-lead:active { translate: 0 0; box-shadow: 0 0 0 var(--ink); }
    .article-lead .article-meta, .article-list .article-meta { display: block; font-size: 11px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; font-variant-numeric: tabular-nums; }
    .article-lead h3 { max-width: 650px; margin: 74px 0 0; font-size: clamp(27px, 4vw, 49px); line-height: 1.04; letter-spacing: -.055em; }
    .article-lead .read-more { display: block; margin-top: 18px; font-size: 13px; font-weight: 800; transition: color .18s var(--ease-out); }
    .article-lead:hover .read-more { color: var(--signal); }
    .article-list { border-top: 1px solid var(--line); }
    .article-list a { position: relative; display: block; padding: 18px 0; border-bottom: 1px solid var(--line); text-decoration: none; transition: padding-right .2s var(--ease-out); }
    .article-list a::after { content: '→'; position: absolute; right: 2px; bottom: 20px; color: var(--blue); font-weight: 800; opacity: 0; translate: -8px 0; transition: opacity .18s var(--ease-out), translate .18s var(--ease-out); }
    .article-list a:hover, .article-list a:focus-visible { padding-right: 28px; outline: none; }
    .article-list a:hover::after, .article-list a:focus-visible::after { opacity: 1; translate: 0 0; }
    .article-list a:hover h3, .article-list a:focus-visible h3 { color: var(--blue); outline: none; }
    .article-list h3 { margin: 8px 0 0; font-size: 18px; letter-spacing: -.025em; }
    .article-list .article-meta { color: var(--muted); }
    .empty-reading { display: grid; place-items: center; min-height: 264px; padding: 28px; background: var(--paper-deep); color: var(--muted); line-height: 1.7; }
    .game-tools { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin: -8px 0 20px; }
    .game-tools label { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
    .filter-input { width: min(360px, 100%); min-height: 46px; padding: 0 14px; border: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--ink); outline: none; transition: border-color .18s var(--ease-out), box-shadow .18s var(--ease-out); }
    .filter-input:focus { border-color: var(--blue); box-shadow: 3px 3px 0 var(--blue); }
    .filter-input::placeholder { color: #8c8880; }
    .game-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
    .game-card { position: relative; min-height: 220px; padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); text-decoration: none; transition: background-color .22s var(--ease-out), color .22s var(--ease-out), transform .22s var(--ease-out), box-shadow .22s var(--ease-out); }
    .game-card::after { content: '↗'; position: absolute; top: 18px; right: 20px; color: var(--signal); font-size: 16px; opacity: 0; translate: -6px 6px; transition: opacity .2s var(--ease-out), translate .2s var(--ease-out); }
    .game-card:hover, .game-card:focus-visible { z-index: 1; background: var(--ink); color: var(--paper); outline: none; transform: translate(-3px, -3px); box-shadow: 5px 5px 0 var(--blue); }
    .game-card:hover::after, .game-card:focus-visible::after { opacity: 1; translate: 0 0; }
    .game-card:active { transform: translate(0, 0); box-shadow: 0 0 0 var(--blue); }
    .game-card:hover .game-summary, .game-card:focus-visible .game-summary { color: #c7c3bb; }
    .game-card:hover .game-type, .game-card:focus-visible .game-type { color: var(--signal); }
    .game-card:hover .game-new, .game-card:focus-visible .game-new { border-color: var(--signal); color: var(--signal); }
    .game-serial { display: block; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .11em; font-variant-numeric: tabular-nums; }
    .game-type { display: flex; align-items: center; gap: 8px; margin-top: 34px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
    .game-new { padding: 2px 5px; border: 1px solid var(--blue); color: var(--blue); font-size: 9px; letter-spacing: .08em; transition: border-color .2s var(--ease-out), color .2s var(--ease-out); }
    .game-title { display: block; margin-top: 9px; font-size: 25px; line-height: 1.05; letter-spacing: -.045em; font-weight: 800; }
    .game-summary { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; line-height: 1.65; }
    .game-card.is-hidden { display: none; }
    .feedback-shell { position: relative; display: grid; grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr); border: 1px solid var(--ink); background: #fffdf8; box-shadow: 8px 8px 0 var(--blue); }
    .feedback-aside { display: flex; flex-direction: column; justify-content: space-between; min-height: 380px; padding: 28px; border-right: 1px solid var(--ink); background: var(--paper-deep); }
    .feedback-aside strong { max-width: 330px; font-family: ui-serif, Georgia, "Noto Serif SC", "Songti SC", serif; font-size: clamp(27px, 3vw, 41px); line-height: 1.08; letter-spacing: -.045em; }
    .feedback-aside small { color: var(--muted); font: 700 11px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .1em; text-transform: uppercase; }
    .feedback-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 28px; }
    .feedback-form label { display: flex; flex-direction: column; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 750; letter-spacing: .04em; }
    .feedback-form .wide { grid-column: 1 / -1; }
    .feedback-form input, .feedback-form textarea { width: 100%; border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; background: transparent; color: var(--ink); outline: 0; transition: border-color .18s ease, box-shadow .18s ease; }
    .feedback-form input { min-height: 43px; padding: 6px 2px; }
    .feedback-form textarea { min-height: 150px; padding: 10px 2px; resize: vertical; }
    .feedback-form input:focus, .feedback-form textarea:focus { border-color: var(--blue); box-shadow: 0 2px 0 var(--blue); }
    .feedback-form .submit-row { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
    .feedback-form .submit-row span { color: var(--muted); font: 11px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; }
    .feedback-notice { grid-column: 1 / -1; margin: 0; padding: 12px 14px; border-left: 4px solid; font-size: 13px; }
    .feedback-notice.ok { border-color: #377229; background: #e3f0d9; color: #24561b; }
    .feedback-notice.error { border-color: #b2261b; background: #f8e5e1; color: #751b14; }
    .honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
    .footer { display: grid; gap: 10px; padding: 26px 0 40px; color: var(--muted); font-size: 12px; }
    .footer-note { display: flex; justify-content: space-between; gap: 20px; }
    .record-link { justify-self: center; color: var(--muted); text-decoration: none; letter-spacing: .02em; }
    .record-link:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }

    /* —— 首屏入场（时间驱动，加载即播） —— */
    @media (prefers-reduced-motion: no-preference) {
      .hero .eyebrow { animation: rise-in .7s var(--ease-out) both; }
      .hero h1 { animation: rise-in .7s .08s var(--ease-out) both; }
      .hero .hero-copy { animation: rise-in .7s .16s var(--ease-out) both; }
      .hero .hero-actions { animation: rise-in .7s .24s var(--ease-out) both; }
      .hero .editorial-prompt { animation: rise-in .8s .2s var(--ease-out) both; }
    }
    /* —— 滚动渐入（滚动驱动，渐进增强：不支持的浏览器直接静态显示） —— */
    @supports (animation-timeline: view()) {
      @media (prefers-reduced-motion: no-preference) {
        .section-head, .article-lead, .article-list > a, .game-card, .feedback-shell {
          animation: rise-in auto linear both;
          animation-timeline: view();
          animation-range: entry 0% entry 40%;
        }
      }
    }
    @media (max-width: 760px) {
      .shell { width: min(100% - 28px, var(--max)); }
      .topbar-inner { min-height: 110px; align-items: stretch; flex-direction: column; gap: 0; }
      .brand { min-height: 56px; }
      .brand small { display: none; }
      .main-nav { width: 100%; height: 48px; }
      .main-nav a { flex: 1; padding: 0 12px; }
      .hero { grid-template-columns: 1fr; min-height: auto; gap: 34px; padding: 58px 0 38px; }
      .editorial-prompt { min-height: 250px; }
      .editorial-prompt h2 { font-size: 28px; }
      .section { padding: 52px 0; }
      .section-head, .game-tools { align-items: flex-start; flex-direction: column; }
      .read-layout { grid-template-columns: 1fr; }
      .article-lead h3 { margin-top: 52px; }
      .game-grid { grid-template-columns: 1fr; }
      .game-card { min-height: 180px; }
      .game-type { margin-top: 20px; }
      .filter-input { width: 100%; }
      .feedback-shell { grid-template-columns: 1fr; box-shadow: 5px 5px 0 var(--blue); }
      .feedback-aside { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--ink); }
      .feedback-form { grid-template-columns: 1fr; padding: 22px; }
      .feedback-form .wide, .feedback-form .submit-row { grid-column: 1; }
      .feedback-form .submit-row { align-items: stretch; flex-direction: column; }
      .footer-note { flex-direction: column; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .game-card { transition: none; }
      .hero .eyebrow, .hero h1, .hero .hero-copy, .hero .hero-actions, .hero .editorial-prompt { animation: none; }
    }