/* roulang page: index */
:root {
      --ink: #202925;
      --muted: #68736d;
      --paper: #f7f5ef;
      --surface: #fffdf9;
      --line: #dddcd2;
      --coral: #c85148;
      --coral-dark: #9d3935;
      --sage: #557d70;
      --sage-dark: #31584d;
      --soft-sage: #e1ebe5;
      --warm: #efe4d6;
      --deep: #172521;
      --white: #ffffff;
      --radius: 8px;
      --shadow: 0 12px 30px rgba(26, 40, 34, .09);
      --content: 1180px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      letter-spacing: 0;
      padding-bottom: 74px;
    }
    a { color: inherit; text-decoration: none; transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease; }
    a:hover { color: var(--coral); }
    img { display: block; max-width: 100%; height: auto; }
    button, input, select { font: inherit; }
    button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, .accordion-title:focus-visible {
      outline: 3px solid rgba(200, 81, 72, .32);
      outline-offset: 3px;
    }
    .container { width: min(var(--content), calc(100% - 40px)); margin: 0 auto; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--coral-dark);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0;
      text-transform: uppercase;
    }
    .eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--coral); }
    h1, h2, h3, p { margin-top: 0; }
    h1, h2, h3 { line-height: 1.25; font-weight: 750; }
    h1 { font-size: clamp(2.5rem, 5vw, 5rem); margin-bottom: 20px; }
    h2 { font-size: clamp(1.8rem, 3vw, 3rem); margin-bottom: 14px; }
    h3 { font-size: 1.14rem; margin-bottom: 8px; }
    .section { padding: 92px 0; }
    .section-heading { max-width: 680px; margin-bottom: 38px; }
    .section-heading p { color: var(--muted); margin-bottom: 0; max-width: 620px; }
    .button {
      border-radius: 5px;
      padding: 12px 20px;
      margin: 0;
      font-weight: 700;
      line-height: 1.35;
      border: 1px solid transparent;
      transition: transform .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .button.primary { background: var(--coral); color: var(--white); }
    .button.primary:hover { background: var(--coral-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 7px 16px rgba(157, 57, 53, .2); }
    .button.secondary { background: transparent; color: var(--sage-dark); border-color: #aabcb3; }
    .button.secondary:hover { background: var(--soft-sage); color: var(--sage-dark); transform: translateY(-2px); }
    .button.small { padding: 9px 14px; font-size: 14px; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(247, 245, 239, .96);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 3px 16px rgba(25, 38, 31, .04);
    }
    .topbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; font-size: 20px; white-space: nowrap; }
    .brand-mark {
      display: grid; place-items: center; width: 34px; height: 34px;
      border-radius: 50%; background: var(--coral); color: var(--white); font-size: 15px;
    }
    .main-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
    .main-nav a { color: var(--muted); font-size: 14px; font-weight: 650; padding: 26px 0 22px; border-bottom: 2px solid transparent; }
    .main-nav a:hover, .main-nav a.active { color: var(--sage-dark); border-bottom-color: var(--coral); }
    .nav-actions { display: flex; gap: 10px; align-items: center; }
    .menu-icon { display: none; }
    .hero {
      position: relative;
      overflow: hidden;
      min-height: 650px;
      display: flex;
      align-items: center;
      background-color: #d9e3db;
      background-image: url("/assets/tingting-preview.jpg");
      background-size: cover;
      background-position: center;
      isolation: isolate;
    }
    .hero::before {
      content: "";
      position: absolute; inset: 0; z-index: -1;
      background: rgba(236, 237, 226, .78);
    }
    .hero::after {
      content: "";
      position: absolute; z-index: -1; right: 0; top: 0; bottom: 0; width: 40%;
      background: rgba(30, 62, 51, .12);
      border-left: 1px solid rgba(255,255,255,.35);
    }
    .hero-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 72px; align-items: center; padding: 86px 0 92px; }
    .hero-copy { max-width: 720px; }
    .hero-copy h1 { color: var(--deep); max-width: 700px; }
    .hero-copy .lead { max-width: 640px; color: #46554c; font-size: 1.1rem; margin-bottom: 28px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 25px; }
    .trust-line { display: flex; align-items: center; gap: 10px; color: var(--sage-dark); font-size: 13px; }
    .status-dot { width: 8px; height: 8px; background: #4e9a71; border-radius: 50%; box-shadow: 0 0 0 4px rgba(78,154,113,.14); }
    .entry-panel { background: rgba(255, 253, 249, .94); border: 1px solid rgba(44, 74, 62, .22); box-shadow: var(--shadow); padding: 28px; border-radius: var(--radius); }
    .panel-label { display: flex; justify-content: space-between; align-items: center; padding-bottom: 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
    .panel-number { color: var(--coral); font-size: 30px; font-weight: 800; line-height: 1; }
    .entry-panel h2 { font-size: 1.55rem; margin: 22px 0 10px; }
    .entry-panel p { color: var(--muted); font-size: 14px; }
    .entry-list { margin: 22px 0; padding: 0; list-style: none; }
    .entry-list li { display: flex; gap: 10px; align-items: flex-start; padding: 12px 0; border-top: 1px solid var(--line); font-size: 14px; }
    .entry-list li::before { content: "✓"; color: var(--coral); font-weight: 800; }
    .signal-band { background: var(--deep); color: var(--white); padding: 30px 0; }
    .signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
    .signal-item { padding: 10px 28px; border-right: 1px solid rgba(255,255,255,.18); }
    .signal-item:first-child { padding-left: 0; }
    .signal-item:last-child { border-right: 0; }
    .signal-num { color: #ee9c83; font-size: 25px; font-weight: 800; display: block; margin-bottom: 2px; }
    .signal-item strong { display: block; font-size: 1.05rem; margin-bottom: 3px; }
    .signal-item span { color: #b9c8c0; font-size: 13px; }
    .countdown { background: var(--warm); border-top: 1px solid #e2d5c5; border-bottom: 1px solid #e2d5c5; }
    .countdown-row { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
    .countdown h2 { font-size: 1.7rem; margin-bottom: 5px; }
    .countdown p { color: var(--muted); margin: 0; font-size: 14px; }
    .count-boxes { display: flex; gap: 10px; }
    .count-box { min-width: 72px; padding: 11px 10px; text-align: center; background: var(--surface); border: 1px solid #d7cbbb; border-radius: 5px; }
    .count-box strong { display: block; font-size: 1.55rem; line-height: 1.2; color: var(--coral-dark); }
    .count-box span { font-size: 11px; color: var(--muted); }
    .feature-wall { display: grid; grid-template-columns: 1.15fr .85fr .85fr; grid-template-rows: 1fr 1fr; gap: 16px; }
    .feature-tile { min-height: 190px; padding: 25px; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); position: relative; overflow: hidden; }
    .feature-tile.large { grid-row: span 2; background: var(--sage-dark); color: var(--white); min-height: 396px; display: flex; flex-direction: column; justify-content: flex-end; }
    .feature-tile.large::before { content: "01"; position: absolute; top: 25px; right: 25px; color: rgba(255,255,255,.25); font-size: 44px; font-weight: 800; }
    .feature-tile:not(.large)::before { content: "•"; color: var(--coral); font-size: 28px; line-height: 1; }
    .feature-tile p { color: var(--muted); font-size: 14px; margin-bottom: 0; }
    .feature-tile.large p { color: #cfddd5; }
    .feature-tile h3 { margin-top: 15px; }
    .feature-tile.large h3 { font-size: 1.65rem; }
    .compare-section { background: #eceee8; }
    .compare-grid { display: grid; grid-template-columns: 1fr 1.12fr 1fr; gap: 14px; align-items: stretch; }
    .compare-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 27px; position: relative; }
    .compare-card.recommended { border: 2px solid var(--coral); box-shadow: var(--shadow); transform: translateY(-10px); }
    .recommend-label { position: absolute; right: 18px; top: 18px; padding: 4px 8px; color: var(--white); background: var(--coral); font-size: 11px; font-weight: 700; border-radius: 3px; }
    .compare-card h3 { font-size: 1.35rem; margin-bottom: 6px; }
    .compare-card > p { color: var(--muted); font-size: 14px; min-height: 50px; }
    .compare-price { font-size: 2rem; font-weight: 800; color: var(--sage-dark); margin: 18px 0; }
    .compare-price small { color: var(--muted); font-size: 12px; font-weight: 500; }
    .compare-list { list-style: none; margin: 0 0 22px; padding: 0; color: var(--muted); font-size: 14px; }
    .compare-list li { padding: 8px 0; border-top: 1px solid var(--line); }
    .compare-list li::before { content: "—"; margin-right: 8px; color: var(--coral); }
    .content-preview { display: grid; grid-template-columns: 1fr 360px; gap: 45px; align-items: start; }
    .article-list { border-top: 1px solid var(--line); }
    .article-row { display: grid; grid-template-columns: 92px 1fr auto; gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
    .article-index { color: var(--coral); font-size: 20px; font-weight: 800; }
    .article-row h3 { margin: 0 0 3px; font-size: 1rem; }
    .article-row p { margin: 0; color: var(--muted); font-size: 13px; }
    .article-meta { color: var(--muted); font-size: 12px; white-space: nowrap; }
    .recommend-box { background: var(--deep); color: var(--white); border-radius: var(--radius); padding: 26px; }
    .recommend-box h3 { font-size: 1.35rem; }
    .recommend-box p { color: #c3d0c9; font-size: 14px; }
    .recommend-box .tag { color: #f1a18a; border-color: rgba(241,161,138,.45); }
    .tag { display: inline-block; border: 1px solid #b9c8bf; color: var(--sage-dark); border-radius: 3px; padding: 3px 8px; font-size: 11px; line-height: 1.4; }
    .feedback { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .feedback-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 70px; align-items: center; }
    .quote { font-size: clamp(1.35rem, 2.2vw, 2rem); line-height: 1.5; font-weight: 700; margin: 0; }
    .quote-mark { color: var(--coral); font-size: 3rem; line-height: .6; vertical-align: -12px; margin-right: 8px; }
    .feedback-note { color: var(--muted); margin-top: 16px; font-size: 13px; }
    .record-list { border-left: 1px solid var(--line); padding-left: 27px; }
    .record-item { display: flex; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); }
    .record-item:last-child { border-bottom: 0; }
    .record-date { color: var(--coral-dark); font-size: 12px; min-width: 76px; }
    .record-item span:last-child { color: var(--muted); font-size: 14px; }
    .faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 65px; }
    .accordion { background: transparent; border: 0; }
    .accordion-item { border: 1px solid var(--line); margin-bottom: 10px; background: var(--surface); border-radius: 5px; overflow: hidden; }
    .accordion-title { color: var(--ink); border: 0; padding: 17px 20px; font-weight: 700; font-size: 15px; }
    .accordion-title:hover { background: var(--soft-sage); color: var(--sage-dark); }
    .accordion-content { border-top: 1px solid var(--line); background: #fafbf7; color: var(--muted); font-size: 14px; padding: 17px 20px; }
    .cta-band { background: var(--coral); color: var(--white); padding: 62px 0; }
    .cta-layout { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .cta-band h2 { margin-bottom: 7px; }
    .cta-band p { margin: 0; color: #ffe3d8; }
    .cta-band .button { background: var(--white); color: var(--coral-dark); }
    .cta-band .button:hover { background: #fff4ed; }
    .site-footer { background: var(--deep); color: var(--white); padding: 58px 0 26px; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 35px; padding-bottom: 45px; }
    .footer-brand p { color: #adbbb3; font-size: 13px; max-width: 280px; }
    .footer-title { color: #f2a08a; font-size: 13px; font-weight: 700; margin-bottom: 14px; }
    .footer-links { list-style: none; margin: 0; padding: 0; }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a { color: #c0cbc5; font-size: 13px; }
    .footer-links a:hover { color: var(--white); }
    .copyright { border-top: 1px solid rgba(255,255,255,.15); padding-top: 20px; display: flex; justify-content: space-between; gap: 18px; color: #92a49a; font-size: 12px; }
    .sticky-cta { position: fixed; z-index: 30; bottom: 0; left: 0; right: 0; background: rgba(23,37,33,.98); color: var(--white); border-top: 1px solid rgba(255,255,255,.14); padding: 13px 0; }
    .sticky-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
    .sticky-inner p { margin: 0; font-size: 14px; color: #d6dfda; }
    .sticky-inner strong { color: #f0a08a; margin-right: 12px; }

    @media screen and (max-width: 900px) {
      .main-nav { gap: 16px; }
      .hero-layout { gap: 35px; grid-template-columns: 1fr .85fr; }
      .feature-wall { grid-template-columns: 1fr 1fr; }
      .feature-tile.large { grid-column: span 2; grid-row: auto; min-height: 280px; }
      .compare-grid { grid-template-columns: 1fr; }
      .compare-card.recommended { transform: none; order: -1; }
      .content-preview, .faq-grid, .feedback-layout { grid-template-columns: 1fr; gap: 35px; }
      .record-list { border-left: 0; border-top: 1px solid var(--line); padding: 20px 0 0; }
      .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    }
    @media screen and (max-width: 640px) {
      body { padding-bottom: 112px; }
      .container { width: min(100% - 32px, var(--content)); }
      .topbar { min-height: 66px; flex-wrap: wrap; }
      .brand { font-size: 17px; }
      .menu-icon { display: block; background: transparent; border: 1px solid var(--line); color: var(--sage-dark); padding: 7px 10px; border-radius: 4px; }
      .main-nav, .nav-actions { display: none; width: 100%; }
      .topbar.menu-open .main-nav, .topbar.menu-open .nav-actions { display: flex; }
      .topbar.menu-open .main-nav { order: 3; flex-direction: column; align-items: stretch; gap: 0; }
      .topbar.menu-open .main-nav a { padding: 10px 0; border-bottom: 1px solid var(--line); }
      .topbar.menu-open .nav-actions { order: 4; padding: 12px 0 18px; }
      .topbar.menu-open { padding-bottom: 4px; }
      .hero { min-height: auto; }
      .hero::after { width: 100%; border: 0; }
      .hero-layout { display: block; padding: 62px 0 56px; }
      .hero-copy h1 { font-size: 2.65rem; }
      .hero-copy .lead { font-size: 1rem; }
      .entry-panel { margin-top: 38px; }
      .section { padding: 62px 0; }
      .signal-grid { grid-template-columns: 1fr; }
      .signal-item, .signal-item:first-child { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); padding: 15px 0; }
      .signal-item:last-child { border-bottom: 0; }
      .countdown-row, .cta-layout, .sticky-inner { align-items: flex-start; flex-direction: column; }
      .count-boxes { width: 100%; }
      .count-box { flex: 1; min-width: 0; }
      .feature-wall { display: block; }
      .feature-tile { margin-bottom: 12px; min-height: 160px; }
      .feature-tile.large { min-height: 260px; }
      .article-row { grid-template-columns: 34px 1fr; gap: 10px; }
      .article-meta { grid-column: 2; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 18px; }
      .footer-brand { grid-column: span 2; }
      .copyright { flex-direction: column; gap: 4px; }
      .sticky-inner { gap: 8px; }
      .sticky-inner .button { width: 100%; text-align: center; }
    }

/* roulang page: category1 */
:root {
      --ink: #202925;
      --muted: #68736d;
      --paper: #f7f5ef;
      --surface: #fffdf9;
      --line: #dddcd2;
      --coral: #c85148;
      --coral-dark: #9d3935;
      --sage: #557d70;
      --sage-dark: #31584d;
      --soft-sage: #e1ebe5;
      --warm: #efe4d6;
      --deep: #172521;
      --white: #ffffff;
      --success: #4d8066;
      --warning: #a76d35;
      --error: #a94442;
      --focus: rgba(200, 81, 72, .34);
      --radius: 8px;
      --shadow: 0 12px 30px rgba(26, 40, 34, .09);
      --content: 1180px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      padding-bottom: 76px;
      background: var(--paper);
      color: var(--ink);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      letter-spacing: 0;
    }
    h1, h2, h3, h4, p { margin-top: 0; }
    h1, h2, h3, h4 { color: var(--deep); line-height: 1.28; letter-spacing: 0; }
    h1 { font-size: clamp(2.35rem, 5vw, 4.6rem); margin-bottom: 22px; }
    h2 { font-size: clamp(1.75rem, 3vw, 2.65rem); margin-bottom: 14px; }
    h3 { font-size: 1.22rem; margin-bottom: 9px; }
    a { color: inherit; text-decoration: none; transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
    a:hover { color: var(--coral); }
    img { display: block; max-width: 100%; height: auto; }
    button, input, select { font: inherit; }
    button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, .accordion-title:focus-visible {
      outline: 3px solid var(--focus);
      outline-offset: 3px;
    }
    .container { width: min(var(--content), calc(100% - 40px)); margin: 0 auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(247,245,239,.96);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 3px 16px rgba(25,38,31,.04);
    }
    .topbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; font-size: 20px; white-space: nowrap; }
    .brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--coral); color: var(--white); font-size: 15px; }
    .main-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
    .main-nav a { color: var(--muted); font-size: 14px; font-weight: 700; padding: 26px 0 22px; border-bottom: 2px solid transparent; }
    .main-nav a:hover, .main-nav a.active { color: var(--sage-dark); border-bottom-color: var(--coral); }
    .nav-actions { display: flex; gap: 10px; align-items: center; }
    .menu-icon { display: none; border: 1px solid var(--line); background: var(--surface); color: var(--sage-dark); border-radius: 5px; padding: 8px 12px; cursor: pointer; }
    .button { display: inline-block; border-radius: 5px; padding: 12px 20px; margin: 0; font-weight: 700; line-height: 1.35; border: 1px solid transparent; cursor: pointer; }
    .button.primary { background: var(--coral); color: var(--white); }
    .button.primary:hover { background: var(--coral-dark); color: var(--white); transform: translateY(-2px); box-shadow: 0 7px 16px rgba(157,57,53,.2); }
    .button.secondary { background: transparent; color: var(--sage-dark); border-color: #aabcb3; }
    .button.secondary:hover { background: var(--soft-sage); color: var(--sage-dark); transform: translateY(-2px); }
    .button.small { padding: 9px 14px; font-size: 14px; }
    .button:active { transform: translateY(0); box-shadow: none; }
    .button.disabled, .button[disabled] { opacity: .45; cursor: not-allowed; pointer-events: none; }
    .page-intro { padding: 64px 0 46px; background: #ebece5; border-bottom: 1px solid var(--line); }
    .intro-layout { display: grid; grid-template-columns: 1fr 340px; gap: 60px; align-items: end; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--coral-dark); font-size: 12px; font-weight: 800; }
    .eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--coral); }
    .intro-copy p { max-width: 720px; color: var(--muted); font-size: 1.06rem; margin-bottom: 0; }
    .status-panel { border-left: 3px solid var(--coral); padding: 7px 0 7px 20px; }
    .status-panel strong { display: block; color: var(--sage-dark); font-size: 1.15rem; }
    .status-panel span { color: var(--muted); font-size: 14px; }
    .content-section { padding: 62px 0 94px; }
    .toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 18px; margin-bottom: 30px; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); }
    .filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
    .filter-button { background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 4px; padding: 8px 13px; cursor: pointer; font-size: 14px; }
    .filter-button:hover, .filter-button.active { background: var(--soft-sage); border-color: #9bb5a8; color: var(--sage-dark); }
    .sort-select { min-width: 145px; height: 38px; margin: 0; border: 1px solid var(--line); color: var(--sage-dark); background-color: var(--paper); border-radius: 4px; }
    .browse-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 22px; align-items: start; }
    .feature-content { min-height: 420px; padding: 34px; display: flex; flex-direction: column; justify-content: flex-end; color: var(--white); background: linear-gradient(rgba(23,37,33,.12), rgba(23,37,33,.9)), url("/assets/tingting-preview.jpg") center/cover; border-radius: var(--radius); overflow: hidden; }
    .feature-content h2 { color: var(--white); max-width: 520px; }
    .feature-content p { color: #d5e1db; max-width: 540px; margin-bottom: 22px; }
    .feature-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
    .tag { display: inline-flex; align-items: center; min-height: 25px; padding: 3px 9px; border-radius: 3px; background: var(--soft-sage); color: var(--sage-dark); font-size: 12px; font-weight: 800; }
    .tag.light { background: rgba(255,255,255,.16); color: var(--white); }
    .list-column { display: grid; gap: 12px; }
    .content-item { display: grid; grid-template-columns: 118px 1fr; gap: 17px; min-height: 132px; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
    .content-item:hover { border-color: #b7c8bd; box-shadow: var(--shadow); transform: translateY(-2px); }
    .thumb { width: 118px; height: 102px; border-radius: 5px; object-fit: cover; background: var(--warm); }
    .item-top { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 6px; }
    .item-date { color: var(--muted); font-size: 12px; white-space: nowrap; }
    .content-item h3 { margin-bottom: 5px; }
    .content-item p { color: var(--muted); font-size: 13px; line-height: 1.6; margin-bottom: 6px; }
    .detail-link { color: var(--coral-dark); font-size: 13px; font-weight: 800; }
    .detail-link::after { content: "  →"; }
    .notes-band { margin-top: 62px; padding: 32px 34px; background: var(--deep); color: var(--white); border-radius: var(--radius); }
    .notes-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
    .notes-band h2 { color: var(--white); font-size: 1.65rem; }
    .notes-band p { color: #c3d0ca; margin-bottom: 0; }
    .signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
    .signal-item { padding: 8px 22px; border-right: 1px solid rgba(255,255,255,.17); }
    .signal-item:first-child { padding-left: 0; }
    .signal-item:last-child { border-right: 0; }
    .signal-item strong { display: block; color: var(--coral); font-size: 1.45rem; }
    .signal-item span { color: #b9c8c0; font-size: 13px; }
    .faq-section { padding: 80px 0; background: #efeee8; }
    .faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; }
    .faq-intro p { color: var(--muted); }
    .accordion { background: transparent; margin: 0; }
    .accordion-item { border: 1px solid var(--line); border-bottom: 0; background: var(--surface); }
    .accordion-item:last-child { border-bottom: 1px solid var(--line); }
    .accordion-title { color: var(--ink); font-weight: 700; padding: 19px 22px; }
    .accordion-title:hover { color: var(--coral-dark); background: #fffaf5; }
    .accordion-content { color: var(--muted); background: #fffaf5; border-top: 1px solid var(--line); padding: 18px 22px; }
    .cta-section { padding: 70px 0; background: var(--warm); }
    .cta-layout { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .cta-layout p { color: var(--muted); margin-bottom: 0; }
    .site-footer { padding: 62px 0 28px; background: var(--deep); color: var(--white); }
    .footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 42px; }
    .footer-brand .brand { color: var(--white); }
    .footer-brand p { color: #b9c8c0; max-width: 310px; font-size: 14px; margin-top: 18px; }
    .footer-title { margin-bottom: 14px; color: #fff; font-size: 14px; font-weight: 800; }
    .footer-links { margin: 0; padding: 0; list-style: none; }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a { color: #b9c8c0; font-size: 14px; }
    .footer-links a:hover { color: var(--coral); }
    .copyright { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.16); color: #9eafa6; font-size: 12px; }
    .fixed-bar { position: fixed; z-index: 19; left: 0; right: 0; bottom: 0; padding: 13px 0; background: rgba(23,37,33,.97); color: var(--white); box-shadow: 0 -8px 24px rgba(22,32,28,.12); }
    .fixed-layout { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
    .fixed-layout p { margin: 0; color: #d4dfd9; font-size: 14px; }
    .fixed-layout strong { color: var(--white); }
    @media (max-width: 900px) {
      .intro-layout, .browse-layout, .faq-layout { grid-template-columns: 1fr; gap: 30px; }
      .notes-layout { grid-template-columns: 1fr; gap: 26px; }
      .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
      .footer-grid > div:last-child { grid-column: 2 / 4; }
    }
    @media (max-width: 700px) {
      body { padding-bottom: 106px; }
      .container { width: min(var(--content), calc(100% - 32px)); }
      .topbar { min-height: 66px; flex-wrap: wrap; gap: 12px; }
      .menu-icon { display: block; margin-left: auto; }
      .main-nav, .nav-actions { display: none; width: 100%; }
      .main-nav.open, .nav-actions.open { display: flex; }
      .main-nav { order: 4; flex-direction: column; align-items: stretch; gap: 0; margin: 0; border-top: 1px solid var(--line); }
      .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
      .nav-actions { order: 5; padding: 8px 0 16px; }
      .nav-actions .button { flex: 1; text-align: center; }
      .page-intro { padding: 44px 0 34px; }
      .content-section { padding: 42px 0 64px; }
      .toolbar { align-items: stretch; flex-direction: column; }
      .filter-group { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 3px; }
      .filter-button { white-space: nowrap; }
      .feature-content { min-height: 380px; padding: 25px; }
      .content-item { grid-template-columns: 92px 1fr; gap: 12px; }
      .thumb { width: 92px; height: 92px; }
      .item-top { align-items: flex-start; flex-direction: column; gap: 2px; }
      .notes-band { padding: 25px 22px; }
      .signal-item { padding: 6px 10px; }
      .signal-item:first-child { padding-left: 0; }
      .signal-item strong { font-size: 1.15rem; }
      .signal-item span { font-size: 11px; }
      .faq-section { padding: 58px 0; }
      .cta-layout { align-items: flex-start; flex-direction: column; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
      .footer-grid > div:last-child { grid-column: auto; }
      .copyright { align-items: flex-start; flex-direction: column; gap: 8px; margin-top: 34px; }
      .fixed-layout { align-items: stretch; flex-direction: column; gap: 9px; }
      .fixed-layout .button { text-align: center; width: 100%; }
    }