/* roulang page: index */
:root {
      --bg: #fffaf6;
      --surface: #ffffff;
      --surface-soft: #f8efed;
      --ink: #241d25;
      --muted: #71656d;
      --line: #eadcda;
      --berry: #a9325b;
      --berry-dark: #7f2447;
      --coral: #e56d61;
      --plum: #51233f;
      --green: #3d765f;
      --warning: #a76e29;
      --radius: 10px;
      --shadow: 0 18px 50px rgba(74, 37, 56, .10);
      --ease: 180ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--bg);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.8;
      letter-spacing: 0;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    button:focus-visible, a:focus-visible, input:focus-visible {
      outline: 3px solid rgba(229, 109, 97, .45);
      outline-offset: 3px;
    }
    .container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }
    .section { padding: 96px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--berry);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .12em;
    }
    .eyebrow::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--coral);
    }
    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 28px;
      margin-bottom: 42px;
    }
    .section-head h2 {
      max-width: 620px;
      margin: 10px 0 0;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.25;
      font-weight: 850;
    }
    .section-head p {
      max-width: 440px;
      margin: 0;
      color: var(--muted);
    }
    .btn {
      display: inline-flex;
      min-height: 46px;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 1px solid transparent;
      border-radius: 7px;
      padding: 10px 19px;
      font-size: 14px;
      font-weight: 750;
      transition: transform var(--ease), background var(--ease), color var(--ease), box-shadow var(--ease), border-color var(--ease);
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn-primary {
      color: #fff;
      background: var(--berry);
      box-shadow: 0 8px 18px rgba(169, 50, 91, .18);
    }
    .btn-primary:hover { background: var(--berry-dark); box-shadow: var(--shadow); }
    .btn-light {
      color: var(--plum);
      background: rgba(255,255,255,.78);
      border-color: rgba(255,255,255,.75);
    }
    .btn-light:hover { background: #fff; }
    .btn-outline {
      color: var(--berry);
      background: transparent;
      border-color: var(--line);
    }
    .btn-outline:hover { color: var(--berry-dark); border-color: var(--berry); background: #fff; }
    .tag, .status {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      border-radius: 999px;
      padding: 3px 10px;
      font-size: 12px;
      font-weight: 700;
      white-space: nowrap;
    }
    .tag { color: var(--berry); background: #f9e5e7; }
    .status { color: var(--green); background: #e5f2eb; }
    .status.warn { color: var(--warning); background: #fff0d8; }

    .topline {
      color: #fff6f1;
      background: var(--plum);
      font-size: 13px;
    }
    .topline-inner {
      display: flex;
      min-height: 34px;
      align-items: center;
      justify-content: center;
      gap: 18px;
      text-align: center;
    }
    .topline strong { color: #ffd1c8; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(255,250,246,.94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }
    .nav-wrap {
      display: flex;
      min-height: 76px;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--plum);
      font-size: 17px;
      font-weight: 900;
      white-space: nowrap;
    }
    .logo-mark {
      display: grid;
      width: 34px;
      height: 34px;
      place-items: center;
      color: #fff;
      background: var(--berry);
      border-radius: 8px 8px 8px 2px;
      font-size: 13px;
      box-shadow: 5px 5px 0 #f2c9c4;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .nav-link {
      position: relative;
      padding: 8px 13px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      transition: color var(--ease), background var(--ease);
    }
    .nav-link::after {
      position: absolute;
      right: 13px;
      bottom: 1px;
      left: 13px;
      height: 2px;
      background: var(--coral);
      content: "";
      transform: scaleX(0);
      transition: transform var(--ease);
    }
    .nav-link:hover, .nav-link.active { color: var(--berry); background: #fff1ef; }
    .nav-link.active::after, .nav-link:hover::after { transform: scaleX(1); }
    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      color: var(--plum);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 7px;
    }

    .hero {
      position: relative;
      overflow: hidden;
      min-height: 635px;
      color: #fff;
      background: var(--plum);
    }
    .hero::before, .hero::after {
      position: absolute;
      content: "";
      pointer-events: none;
    }
    .hero::before {
      top: -150px;
      right: -110px;
      width: 610px;
      height: 610px;
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 50%;
      box-shadow: 0 0 0 34px rgba(255,255,255,.035), 0 0 0 70px rgba(255,255,255,.025);
    }
    .hero::after {
      right: 16%;
      bottom: 0;
      width: 220px;
      height: 160px;
      background: #e56d61;
      clip-path: polygon(38% 0, 100% 18%, 78% 100%, 0 82%);
      opacity: .82;
    }
    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      min-height: 635px;
      align-items: center;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
      gap: 65px;
      padding: 74px 0 90px;
    }
    .hero-copy { max-width: 680px; }
    .hero .eyebrow { color: #ffd1c8; }
    .hero h1 {
      max-width: 720px;
      margin: 18px 0 22px;
      font-size: clamp(42px, 6vw, 76px);
      line-height: 1.16;
      font-weight: 900;
      letter-spacing: 0;
    }
    .hero-lead {
      max-width: 620px;
      color: #f8e8e4;
      font-size: 18px;
      line-height: 1.9;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
    .hero-tags .tag { color: #ffe0d8; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); }
    .hero-visual {
      position: relative;
      min-height: 355px;
      padding: 30px;
    }
    .visual-frame {
      position: relative;
      min-height: 330px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.25);
      border-radius: 10px;
      background: #71354f;
      box-shadow: 20px 22px 0 rgba(229,109,97,.24);
    }
    .visual-frame::before {
      position: absolute;
      inset: 24px 24px auto auto;
      width: 145px;
      height: 145px;
      border: 16px solid #f6c9bd;
      border-radius: 50%;
      content: "";
      opacity: .82;
    }
    .visual-frame::after {
      position: absolute;
      right: 16%;
      bottom: -30px;
      width: 240px;
      height: 240px;
      border: 1px solid rgba(255,255,255,.28);
      border-radius: 50%;
      content: "";
    }
    .visual-label {
      position: absolute;
      top: 28px;
      left: 28px;
      z-index: 1;
      color: #ffd8ce;
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .12em;
    }
    .visual-title {
      position: absolute;
      right: 28px;
      bottom: 32px;
      left: 28px;
      z-index: 1;
      font-size: 30px;
      font-weight: 850;
      line-height: 1.3;
    }
    .visual-index {
      position: absolute;
      bottom: 35px;
      left: 28px;
      z-index: 1;
      color: #ffd8ce;
      font-size: 12px;
    }
    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 22px;
      margin-top: 34px;
      color: #f7d8d3;
      font-size: 13px;
    }
    .trust-strip span::before { content: "✓"; margin-right: 7px; color: #ffc1ad; font-weight: 900; }

    .intro-band { background: var(--surface); border-bottom: 1px solid var(--line); }
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1.5fr;
      gap: 70px;
      align-items: center;
    }
    .intro-grid h2 { margin: 10px 0 0; font-size: 35px; line-height: 1.35; }
    .intro-grid p { margin: 0; color: var(--muted); font-size: 17px; }

    .feature-section { background: var(--surface-soft); }
    .feature-list { border-top: 1px solid var(--line); }
    .feature-row {
      display: grid;
      grid-template-columns: 86px minmax(220px, .8fr) 1.3fr 140px;
      gap: 26px;
      align-items: center;
      padding: 27px 0;
      border-bottom: 1px solid var(--line);
      transition: padding var(--ease), background var(--ease);
    }
    .feature-row:hover { padding-right: 15px; padding-left: 15px; background: #fffaf8; }
    .feature-number { color: var(--coral); font-size: 22px; font-weight: 900; }
    .feature-row h3 { margin: 0; font-size: 22px; }
    .feature-row p { margin: 0; color: var(--muted); }
    .feature-tags { display: flex; flex-wrap: wrap; gap: 7px; }
    .feature-link { color: var(--berry); font-weight: 800; text-align: right; }

    .scene-section { background: #fff; }
    .scene-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 22px;
    }
    .scene-main {
      min-height: 390px;
      padding: 38px;
      color: #fff;
      background: #71354f;
      border-radius: var(--radius);
      overflow: hidden;
      position: relative;
    }
    .scene-main::after {
      position: absolute;
      right: 30px;
      bottom: -85px;
      width: 230px;
      height: 230px;
      border: 1px solid rgba(255,255,255,.32);
      border-radius: 50%;
      content: "";
    }
    .scene-main h3 { max-width: 380px; margin: 20px 0 12px; font-size: 34px; line-height: 1.35; }
    .scene-main p { max-width: 480px; color: #f7dfe0; }
    .scene-main .btn { margin-top: 22px; }
    .scene-side { display: grid; gap: 22px; }
    .scene-item {
      display: block;
      padding: 25px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--surface);
      transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }
    .scene-item:hover { border-color: var(--coral); transform: translateY(-3px); box-shadow: var(--shadow); }
    .scene-item h3 { margin: 10px 0 5px; font-size: 20px; }
    .scene-item p { margin: 0; color: var(--muted); font-size: 14px; }

    .proof-section { background: var(--surface-soft); }
    .proof-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(250px, .7fr);
      gap: 65px;
      align-items: center;
    }
    .quote {
      position: relative;
      margin: 0;
      padding: 34px 0 34px 36px;
      border-left: 4px solid var(--coral);
      font-size: 25px;
      line-height: 1.65;
      font-weight: 750;
    }
    .quote small { display: block; margin-top: 18px; color: var(--muted); font-size: 13px; font-weight: 500; }
    .metrics { display: grid; gap: 14px; }
    .metric { padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
    .metric strong { display: block; color: var(--berry); font-size: 29px; line-height: 1.2; }
    .metric span { color: var(--muted); font-size: 13px; }

    .price-section { background: #fff; }
    .price-band {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: stretch;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .price-copy { padding: 42px; background: var(--plum); color: #fff; }
    .price-copy h3 { margin: 14px 0; font-size: 34px; }
    .price-copy p { color: #f2dad8; }
    .price-value { margin: 28px 0; font-size: 38px; font-weight: 900; }
    .price-value small { color: #f2dad8; font-size: 14px; font-weight: 500; }
    .price-detail { padding: 42px; }
    .price-detail h3 { margin: 0 0 18px; font-size: 21px; }
    .benefits { display: grid; gap: 12px; margin: 0 0 28px; padding: 0; list-style: none; }
    .benefits li { color: var(--muted); }
    .benefits li::before { content: "✓"; margin-right: 10px; color: var(--green); font-weight: 900; }

    .faq-section { background: var(--surface-soft); }
    .faq-list { max-width: 850px; margin: 0 auto; border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question {
      display: flex;
      width: 100%;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 22px 0;
      color: var(--ink);
      background: transparent;
      border: 0;
      text-align: left;
      font-weight: 800;
    }
    .faq-icon { color: var(--berry); font-size: 23px; transition: transform var(--ease); }
    .faq-answer { display: none; max-width: 740px; padding: 0 46px 22px 0; color: var(--muted); }
    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-icon { transform: rotate(45deg); }

    .cta-section { color: #fff; background: var(--berry); }
    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 35px;
    }
    .cta-inner h2 { margin: 8px 0 10px; font-size: 34px; line-height: 1.35; }
    .cta-inner p { max-width: 650px; margin: 0; color: #f9dfe0; }
    .cta-actions { display: flex; flex-shrink: 0; flex-wrap: wrap; gap: 10px; }

    .site-footer { color: #ead5d4; background: #291e27; }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 38px;
      padding: 62px 0 45px;
    }
    .footer-logo { color: #fff; }
    .footer-intro { max-width: 330px; margin: 18px 0 0; color: #bfaab0; font-size: 14px; }
    .footer-title { margin: 0 0 14px; color: #fff; font-size: 14px; }
    .footer-links { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; color: #bfaab0; font-size: 13px; }
    .footer-links a:hover { color: #ffd0c5; }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding: 20px 0;
      color: #a98f98;
      border-top: 1px solid rgba(255,255,255,.12);
      font-size: 12px;
    }
    .age-note { color: #ffd0c5; }

    @media (max-width: 900px) {
      .hero-inner { grid-template-columns: 1fr; gap: 15px; }
      .hero { min-height: auto; }
      .hero-inner { min-height: auto; }
      .hero-visual { max-width: 620px; padding: 20px 20px 30px 0; }
      .intro-grid, .proof-layout { grid-template-columns: 1fr; gap: 25px; }
      .feature-row { grid-template-columns: 60px 1fr; gap: 12px 20px; }
      .feature-row p, .feature-tags, .feature-link { grid-column: 2; text-align: left; }
      .scene-grid, .price-band { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    }
    @media (max-width: 680px) {
      .container { width: min(100% - 28px, 1180px); }
      .section { padding: 64px 0; }
      .topline-inner { padding: 5px 0; font-size: 11px; }
      .nav-wrap { min-height: 66px; }
      .logo { font-size: 14px; }
      .logo-mark { width: 30px; height: 30px; }
      .menu-toggle { display: grid; place-items: center; }
      .nav-links {
        position: absolute;
        top: 66px;
        right: 14px;
        left: 14px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        gap: 4px;
        padding: 12px;
        background: #fffaf6;
        border: 1px solid var(--line);
        border-radius: 8px;
        box-shadow: var(--shadow);
      }
      .nav-links.open { display: flex; }
      .nav-link { padding: 12px 14px; }
      .nav-links .btn { width: 100%; margin-top: 5px; }
      .hero-inner { padding: 60px 0 64px; }
      .hero h1 { font-size: 43px; }
      .hero-lead { font-size: 16px; }
      .hero-actions .btn { width: 100%; }
      .hero-visual { min-height: 270px; padding: 18px 12px 24px 0; }
      .visual-frame { min-height: 250px; }
      .visual-title { font-size: 24px; }
      .section-head { display: block; margin-bottom: 28px; }
      .section-head p { margin-top: 14px; }
      .feature-row { padding: 22px 0; }
      .feature-row h3 { font-size: 19px; }
      .scene-main { min-height: 330px; padding: 28px; }
      .scene-main h3 { font-size: 28px; }
      .quote { padding-left: 22px; font-size: 21px; }
      .price-copy, .price-detail { padding: 30px 24px; }
      .cta-inner { display: block; }
      .cta-actions { margin-top: 24px; }
      .cta-actions .btn { width: 100%; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; padding: 45px 0 32px; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { display: block; }
      .footer-bottom span { display: block; margin-top: 7px; }
    }

/* roulang page: category2 */
:root {
      --bg:#fffaf6;
      --surface:#fff;
      --surface-soft:#f8efed;
      --ink:#241d25;
      --muted:#71656d;
      --line:#eadcda;
      --berry:#a9325b;
      --berry-dark:#7f2447;
      --coral:#e56d61;
      --plum:#51233f;
      --green:#3d765f;
      --warning:#a76e29;
      --radius:10px;
      --shadow:0 18px 50px rgba(74,37,56,.10);
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;letter-spacing:0;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(229,109,97,.45);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:96px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow::before{content:"";width:22px;height:2px;background:var(--coral)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:42px}
    .section-head h2{max-width:620px;margin:10px 0 0;font-size:clamp(28px,4vw,46px);line-height:1.25;font-weight:850}
    .section-head p{max-width:440px;margin:0;color:var(--muted)}
    .btn{display:inline-flex;min-height:46px;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:7px;padding:10px 19px;font-size:14px;font-weight:750;transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease)}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{color:#fff;background:var(--berry);box-shadow:0 8px 18px rgba(169,50,91,.18)}
    .btn-primary:hover{background:var(--berry-dark);box-shadow:var(--shadow)}
    .btn-light{color:var(--plum);background:rgba(255,255,255,.78);border-color:rgba(255,255,255,.75)}
    .btn-light:hover{background:#fff}
    .btn-outline{color:var(--berry);background:transparent;border-color:var(--line)}
    .btn-outline:hover{color:var(--berry-dark);border-color:var(--berry);background:#fff}
    .tag,.status{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;white-space:nowrap}
    .tag{color:var(--berry);background:#f9e5e7}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,250,246,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
    .nav-wrap{display:flex;min-height:76px;align-items:center;justify-content:space-between;gap:24px}
    .logo{display:inline-flex;align-items:center;gap:11px;color:var(--plum);font-size:17px;font-weight:900;white-space:nowrap}
    .logo-mark{display:grid;width:34px;height:34px;place-items:center;color:#fff;background:var(--berry);border-radius:8px 8px 8px 2px;font-size:13px;box-shadow:5px 5px 0 #f2c9c4}
    .nav-links{display:flex;align-items:center;gap:5px}
    .nav-link{position:relative;padding:8px 13px;color:var(--muted);font-size:14px;font-weight:700;transition:color var(--ease),background var(--ease)}
    .nav-link::after{position:absolute;right:13px;bottom:1px;left:13px;height:2px;background:var(--coral);content:"";transform:scaleX(0);transition:transform var(--ease)}
    .nav-link:hover,.nav-link.active{color:var(--berry);background:#fff1ef}
    .nav-link.active::after,.nav-link:hover::after{transform:scaleX(1)}
    .menu-toggle{display:none;width:42px;height:42px;color:var(--plum);background:#fff;border:1px solid var(--line);border-radius:7px}
    .page-hero{padding:54px 0 60px;background:#f8efed;border-bottom:1px solid var(--line)}
    .crumbs{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:26px}
    .crumbs a:hover{color:var(--berry)}
    .page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:70px;align-items:end}
    .page-hero h1{max-width:760px;margin:12px 0 18px;font-size:clamp(36px,5vw,64px);line-height:1.22;font-weight:900}
    .page-lead{max-width:710px;color:var(--muted);font-size:18px;line-height:1.9}
    .hero-index{position:relative;min-height:220px;padding:28px;background:var(--plum);color:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
    .hero-index::after{position:absolute;right:-36px;bottom:-60px;width:200px;height:200px;border:1px solid rgba(255,255,255,.22);border-radius:50%;content:""}
    .index-number{font-size:72px;line-height:1;font-weight:900;color:#f8c7be}
    .index-label{position:relative;z-index:1;margin-top:20px;color:#ffe5df;font-weight:750}
    .index-line{width:100%;height:1px;margin:15px 0;background:rgba(255,255,255,.22)}
    .topic-tabs{display:flex;gap:10px;overflow:auto;padding:14px 0 4px;scrollbar-width:none}
    .topic-tabs::-webkit-scrollbar{display:none}
    .topic-tab{flex:none;padding:8px 14px;border:1px solid var(--line);border-radius:7px;color:var(--muted);background:#fff;font-size:13px;font-weight:750}
    .topic-tab:hover,.topic-tab.active{color:var(--berry);border-color:#e6a9a8;background:#fff1ef}
    .reading-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:32px;align-items:start}
    .content-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:0 10px 28px rgba(74,37,56,.05)}
    .panel-top{display:flex;justify-content:space-between;align-items:start;gap:20px;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:26px}
    .panel-top h2{margin:0;font-size:27px;line-height:1.35}
    .panel-top p{margin:7px 0 0;color:var(--muted);font-size:14px}
    .entry-list{display:grid;gap:14px}
    .entry{display:grid;grid-template-columns:86px minmax(0,1fr) auto;gap:18px;align-items:center;padding:16px;border:1px solid var(--line);background:#fffdfb;border-radius:8px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
    .entry:hover{transform:translateY(-2px);border-color:#dca6a5;box-shadow:0 12px 24px rgba(74,37,56,.08)}
    .entry-cover{width:86px;height:72px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--berry),var(--coral));border-radius:6px;font-size:25px;font-weight:900}
    .entry h3{margin:0 0 4px;font-size:17px}
    .entry p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .entry-meta{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}
    .entry-action{white-space:nowrap}
    .side-index{position:sticky;top:100px;background:var(--plum);color:#fff;border-radius:var(--radius);padding:28px}
    .side-index h2{margin:0 0 8px;font-size:23px}
    .side-index p{margin:0;color:#e9d8d9;font-size:14px}
    .side-links{margin:24px 0 0;padding:0;list-style:none}
    .side-links li{border-top:1px solid rgba(255,255,255,.17)}
    .side-links a{display:flex;justify-content:space-between;gap:12px;padding:13px 0;color:#fbe8e5;font-size:14px}
    .side-links a:hover{color:#f7a99f}
    .side-links span{color:#f4a49a;font-weight:800}
    .notice-band{background:#fff1ef;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
    .notice-item{display:flex;gap:14px}
    .notice-icon{flex:none;width:34px;height:34px;display:grid;place-items:center;border-radius:7px;background:#f9d9d5;color:var(--berry);font-weight:900}
    .notice-item h3{margin:0 0 4px;font-size:16px}
    .notice-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .feedback{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:54px;align-items:start}
    .feedback h2{margin:10px 0 15px;font-size:36px;line-height:1.3}
    .feedback p{color:var(--muted)}
    .form-box{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .form-row{display:grid;gap:7px;margin-bottom:17px}
    .form-row label{font-size:13px;font-weight:800}
    .form-row input,.form-row textarea{width:100%;border:1px solid var(--line);border-radius:7px;padding:11px 13px;color:var(--ink);background:#fffdfb}
    .form-row textarea{min-height:110px;resize:vertical}
    .form-row input:hover,.form-row textarea:hover,.form-row input:focus,.form-row textarea:focus{border-color:#d89091}
    .form-note{margin:13px 0 0;color:var(--muted);font-size:12px;line-height:1.6}
    .faq-list{max-width:850px;margin:0 auto}
    .faq-item{border-top:1px solid var(--line)}
    .faq-item:last-child{border-bottom:1px solid var(--line)}
    .faq-question{display:flex;width:100%;justify-content:space-between;align-items:center;gap:18px;padding:21px 0;border:0;background:transparent;color:var(--ink);text-align:left;font-weight:800}
    .faq-symbol{color:var(--berry);font-size:23px;transition:transform var(--ease)}
    .faq-answer{display:none;padding:0 45px 20px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-symbol{transform:rotate(45deg)}
    .cta{padding:65px 0;background:var(--berry);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{margin:0 0 7px;font-size:clamp(27px,4vw,42px);line-height:1.3}
    .cta p{margin:0;color:#ffe2dc}
    .site-footer{padding:66px 0 22px;background:#2f1d29;color:#f8e9e6}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
    .footer-logo{color:#fff}
    .footer-intro{max-width:290px;margin:18px 0 0;color:#cdb9bf;font-size:13px;line-height:1.8}
    .footer-title{margin:0 0 15px;color:#fff;font-size:14px}
    .footer-links{display:grid;gap:9px;margin:0;padding:0;list-style:none;color:#cdb9bf;font-size:13px}
    .footer-links a:hover{color:#f5a79c}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:50px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);color:#aa929b;font-size:12px}
    .age-note{color:#f2b0a8}
    @media(max-width:900px){
      .page-hero-grid,.feedback{grid-template-columns:1fr}
      .hero-index{max-width:460px}
      .reading-layout{grid-template-columns:1fr}
      .side-index{position:static}
      .notice-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
    }
    @media(max-width:720px){
      .container{width:min(100% - 28px,1180px)}
      .section{padding:66px 0}
      .nav-wrap{min-height:68px}
      .menu-toggle{display:grid;place-items:center}
      .nav-links{display:none;position:absolute;top:69px;right:14px;left:14px;align-items:stretch;flex-direction:column;gap:4px;padding:12px;background:#fffaf6;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}
      .nav-links.is-open{display:flex}
      .nav-link{padding:11px 13px}
      .nav-links .btn{margin-top:5px}
      .page-hero{padding:38px 0 42px}
      .page-hero h1{font-size:38px}
      .page-lead{font-size:16px}
      .content-panel{padding:22px 16px}
      .panel-top{display:block}
      .entry{grid-template-columns:64px minmax(0,1fr)}
      .entry-cover{width:64px;height:62px}
      .entry-action{grid-column:2;justify-self:start}
      .cta-inner{display:block}
      .cta .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom .age-note{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root {
      --bg: #fffaf6;
      --surface: #ffffff;
      --surface-soft: #f8efed;
      --ink: #241d25;
      --muted: #71656d;
      --line: #eadcda;
      --berry: #a9325b;
      --berry-dark: #7f2447;
      --coral: #e56d61;
      --plum: #51233f;
      --green: #3d765f;
      --warning: #a76e29;
      --radius: 10px;
      --shadow: 0 18px 50px rgba(74, 37, 56, .10);
      --ease: 180ms ease;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--bg);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.8;
      letter-spacing: 0;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, select { font: inherit; }
    button { cursor: pointer; }
    button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
      outline: 3px solid rgba(229, 109, 97, .45);
      outline-offset: 3px;
    }
    .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
    .section { padding: 92px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--berry);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .12em;
    }
    .eyebrow::before {
      content: "";
      width: 22px;
      height: 2px;
      background: var(--coral);
    }
    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 28px;
      margin-bottom: 38px;
    }
    .section-head h2 {
      max-width: 640px;
      margin: 10px 0 0;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.25;
      font-weight: 850;
    }
    .section-head p { max-width: 450px; margin: 0; color: var(--muted); }
    .btn {
      display: inline-flex;
      min-height: 46px;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border: 1px solid transparent;
      border-radius: 7px;
      padding: 10px 19px;
      font-size: 14px;
      font-weight: 750;
      transition: transform var(--ease), background var(--ease), color var(--ease), box-shadow var(--ease), border-color var(--ease);
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn-primary { color: #fff; background: var(--berry); box-shadow: 0 8px 18px rgba(169, 50, 91, .18); }
    .btn-primary:hover { background: var(--berry-dark); box-shadow: var(--shadow); }
    .btn-outline { color: var(--berry); background: transparent; border-color: var(--line); }
    .btn-outline:hover { color: var(--berry-dark); border-color: var(--berry); background: #fff; }
    .tag, .status {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      border-radius: 999px;
      padding: 3px 10px;
      font-size: 12px;
      font-weight: 700;
      white-space: nowrap;
    }
    .tag { color: var(--berry); background: #f9e5e7; }
    .status { color: var(--green); background: #e5f2ea; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(255,250,246,.94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }
    .nav-wrap {
      display: flex;
      min-height: 76px;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--plum);
      font-size: 17px;
      font-weight: 900;
      white-space: nowrap;
    }
    .logo-mark {
      display: grid;
      width: 34px;
      height: 34px;
      place-items: center;
      color: #fff;
      background: var(--berry);
      border-radius: 8px 8px 8px 2px;
      font-size: 13px;
      box-shadow: 5px 5px 0 #f2c9c4;
    }
    .nav-links { display: flex; align-items: center; gap: 5px; }
    .nav-link {
      position: relative;
      padding: 8px 13px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      transition: color var(--ease), background var(--ease);
    }
    .nav-link::after {
      position: absolute;
      right: 13px;
      bottom: 1px;
      left: 13px;
      height: 2px;
      background: var(--coral);
      content: "";
      transform: scaleX(0);
      transition: transform var(--ease);
    }
    .nav-link:hover, .nav-link.active { color: var(--berry); background: #fff1ef; }
    .nav-link.active::after, .nav-link:hover::after { transform: scaleX(1); }
    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      color: var(--plum);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 7px;
    }
    .page-hero {
      position: relative;
      overflow: hidden;
      color: #fff;
      background: var(--plum);
      padding: 72px 0 86px;
    }
    .page-hero::after {
      position: absolute;
      right: 8%;
      bottom: -70px;
      width: 340px;
      height: 220px;
      border: 1px solid rgba(255,255,255,.2);
      border-radius: 50%;
      content: "";
      box-shadow: 0 0 0 28px rgba(255,255,255,.04), 0 0 0 58px rgba(255,255,255,.03);
    }
    .hero-inner { position: relative; z-index: 1; }
    .breadcrumb { display: flex; gap: 9px; color: #e9cfd5; font-size: 13px; }
    .breadcrumb a:hover { color: #fff; }
    .page-hero h1 {
      max-width: 760px;
      margin: 20px 0 17px;
      font-size: clamp(40px, 6vw, 68px);
      line-height: 1.2;
      font-weight: 900;
    }
    .page-hero p { max-width: 680px; margin: 0; color: #f8e8e4; font-size: 18px; line-height: 1.9; }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
    .hero-tags .tag { color: #ffe0d8; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); }
    .filter-band { padding: 30px 0; background: var(--surface-soft); border-bottom: 1px solid var(--line); }
    .filter-form { display: grid; grid-template-columns: minmax(220px, 1fr) 180px auto; gap: 12px; align-items: end; }
    .field label { display: block; margin-bottom: 6px; color: var(--plum); font-size: 13px; font-weight: 800; }
    .input, .select {
      width: 100%;
      height: 46px;
      color: var(--ink);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 7px;
      padding: 0 14px;
      transition: border-color var(--ease), box-shadow var(--ease);
    }
    .input:focus, .select:focus { border-color: var(--berry); box-shadow: 0 0 0 4px rgba(169,50,91,.1); outline: none; }
    .filter-actions { display: flex; gap: 9px; }
    .filter-note { margin: 12px 0 0; color: var(--muted); font-size: 13px; }
    .index-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 46px; }
    .index-aside { position: sticky; top: 105px; align-self: start; }
    .aside-title { margin: 0 0 15px; color: var(--plum); font-size: 14px; font-weight: 850; }
    .topic-list { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }
    .topic-list button {
      width: 100%;
      color: var(--muted);
      background: transparent;
      border: 1px solid transparent;
      border-radius: 7px;
      padding: 10px 12px;
      text-align: left;
      transition: color var(--ease), background var(--ease), border-color var(--ease);
    }
    .topic-list button:hover, .topic-list button.active { color: var(--berry); background: #fff; border-color: var(--line); }
    .aside-rule { height: 1px; margin: 25px 0; background: var(--line); }
    .aside-tip { color: var(--muted); font-size: 13px; line-height: 1.75; }
    .result-head { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 17px; }
    .result-head h2 { margin: 0; font-size: 24px; line-height: 1.35; }
    .result-count { color: var(--muted); font-size: 13px; }
    .entry-list { display: grid; gap: 15px; }
    .entry {
      display: grid;
      grid-template-columns: 170px minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
      padding: 15px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: 0 7px 22px rgba(74,37,56,.04);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }
    .entry:hover { transform: translateY(-3px); border-color: #d8b6ba; box-shadow: var(--shadow); }
    .entry-cover {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      border-radius: 7px;
      background: #e9c7c2;
    }
    .entry-cover::before, .entry-cover::after { position: absolute; content: ""; }
    .entry-cover::before { inset: 17% 14%; border: 1px solid rgba(81,35,63,.3); transform: rotate(-7deg); }
    .entry-cover::after { right: 14%; bottom: 18%; width: 42%; height: 25%; background: var(--coral); clip-path: polygon(20% 0,100% 20%,78% 100%,0 78%); }
    .cover-two { background: #d7e5dc; }
    .cover-two::after { background: var(--green); transform: rotate(8deg); }
    .cover-three { background: #eadbd2; }
    .cover-three::after { background: var(--warning); transform: rotate(-10deg); }
    .entry-title { margin: 9px 0 7px; color: var(--plum); font-size: 20px; line-height: 1.35; font-weight: 850; }
    .entry-summary { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
    .entry-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; color: var(--muted); font-size: 12px; }
    .entry-actions { display: grid; justify-items: end; gap: 12px; }
    .icon-action {
      display: inline-grid;
      width: 34px;
      height: 34px;
      place-items: center;
      color: var(--muted);
      background: #fffaf6;
      border: 1px solid var(--line);
      border-radius: 7px;
      transition: color var(--ease), background var(--ease);
    }
    .icon-action:hover { color: var(--berry); background: #fff1ef; }
    .pagination { display: flex; justify-content: center; gap: 8px; margin-top: 34px; }
    .page-number {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      color: var(--muted);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 7px;
      font-size: 14px;
      transition: all var(--ease);
    }
    .page-number:hover, .page-number.active { color: #fff; background: var(--berry); border-color: var(--berry); }
    .standards { background: var(--surface-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .standards-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
    .standards h2 { margin: 10px 0 14px; font-size: clamp(28px, 4vw, 42px); line-height: 1.3; }
    .standards p { color: var(--muted); }
    .standard-points { display: grid; gap: 13px; margin: 24px 0 0; padding: 0; list-style: none; }
    .standard-points li { display: flex; gap: 11px; align-items: flex-start; color: var(--ink); font-weight: 700; }
    .standard-points li::before { content: "✓"; color: var(--green); font-weight: 900; }
    .notice-panel { padding: 28px; color: #fff; background: var(--plum); border-radius: var(--radius); box-shadow: var(--shadow); }
    .notice-panel h3 { margin: 0 0 10px; font-size: 21px; }
    .notice-panel p { margin: 0; color: #f2dfe0; font-size: 14px; }
    .notice-list { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
    .notice-list li { padding-top: 12px; color: #fff; border-top: 1px solid rgba(255,255,255,.17); font-size: 14px; }
    .faq-list { max-width: 850px; margin: 0 auto; border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question {
      display: flex;
      width: 100%;
      justify-content: space-between;
      gap: 20px;
      padding: 21px 0;
      color: var(--plum);
      background: transparent;
      border: 0;
      text-align: left;
      font-weight: 800;
    }
    .faq-question span:last-child { color: var(--berry); font-size: 22px; line-height: 1; }
    .faq-answer { display: none; max-width: 730px; padding: 0 36px 21px 0; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-question span:last-child { transform: rotate(45deg); }
    .cta-band { padding: 70px 0; color: #fff; background: var(--berry); }
    .cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
    .cta-inner h2 { margin: 0 0 8px; font-size: clamp(27px, 4vw, 42px); line-height: 1.3; }
    .cta-inner p { margin: 0; color: #ffe7e2; }
    .site-footer { padding: 62px 0 22px; background: #2e202b; color: #fff; }
    .footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 35px; }
    .footer-logo { color: #fff; }
    .footer-intro { max-width: 300px; margin: 18px 0 0; color: #d8c5cc; font-size: 13px; line-height: 1.8; }
    .footer-title { margin: 0 0 14px; color: #ffd4cc; font-size: 13px; }
    .footer-links { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; color: #d8c5cc; font-size: 13px; }
    .footer-links a { transition: color var(--ease); }
    .footer-links a:hover { color: #fff; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 18px; color: #bfaeb6; border-top: 1px solid rgba(255,255,255,.13); font-size: 12px; }
    .age-note { color: #f2c8bd; }
    .empty-state { display: none; padding: 42px 20px; color: var(--muted); background: #fff; border: 1px dashed #d5b9b6; border-radius: var(--radius); text-align: center; }
    .loading-state, .error-state { margin-top: 16px; color: var(--muted); font-size: 13px; }
    @media (max-width: 900px) {
      .nav-links { gap: 0; }
      .nav-link { padding-inline: 9px; }
      .nav-link::after { right: 9px; left: 9px; }
      .index-layout { grid-template-columns: 180px minmax(0,1fr); gap: 26px; }
      .entry { grid-template-columns: 140px minmax(0,1fr) auto; gap: 15px; }
      .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
      .footer-grid > :last-child { grid-column: 2 / span 2; }
    }
    @media (max-width: 720px) {
      .container { width: min(100% - 30px, 560px); }
      .section { padding: 68px 0; }
      .menu-toggle { display: grid; place-items: center; }
      .nav-links {
        position: absolute;
        top: 76px;
        right: 15px;
        left: 15px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        gap: 3px;
        padding: 12px;
        background: #fffaf6;
        border: 1px solid var(--line);
        border-radius: 8px;
        box-shadow: var(--shadow);
      }
      .nav-links.is-open { display: flex; }
      .nav-link { padding: 12px; }
      .nav-link::after { right: 12px; left: 12px; bottom: 3px; }
      .nav-links .btn { margin-top: 5px; }
      .page-hero { padding: 53px 0 66px; }
      .page-hero h1 { font-size: clamp(37px, 12vw, 58px); }
      .page-hero p { font-size: 16px; }
      .filter-form { grid-template-columns: 1fr; }
      .filter-actions { display: grid; grid-template-columns: 1fr 1fr; }
      .index-layout, .standards-grid { grid-template-columns: 1fr; gap: 35px; }
      .index-aside { position: static; }
      .topic-list { display: flex; overflow-x: auto; padding-bottom: 5px; }
      .topic-list li { flex: 0 0 auto; }
      .topic-list button { width: auto; white-space: nowrap; }
      .entry { grid-template-columns: 1fr; }
      .entry-cover { width: 100%; }
      .entry-actions { display: flex; justify-content: space-between; align-items: center; }
      .section-head, .cta-inner { display: block; }
      .section-head p { margin-top: 15px; }
      .cta-inner .btn { margin-top: 22px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
      .footer-grid > :last-child { grid-column: auto; }
      .footer-bottom { display: block; }
      .age-note { display: block; margin-top: 9px; }
    }
    @media (max-width: 420px) {
      .logo { font-size: 15px; gap: 8px; }
      .logo-mark { width: 31px; height: 31px; }
      .result-head { display: block; }
      .result-count { display: block; margin-top: 5px; }
      .filter-actions { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }