/* roulang page: index */
:root {
      --brand: #ef2d16;
      --brand-dark: #b91c1c;
      --accent: #ff8a00;
      --gold: #f6c453;
      --ink: #24140f;
      --muted: #735f55;
      --soft: #fff6ed;
      --paper: #fffaf3;
      --line: rgba(120, 67, 30, .16);
      --white: #ffffff;
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --shadow-soft: 0 18px 50px rgba(131, 52, 12, .12);
      --shadow-lift: 0 26px 70px rgba(185, 28, 28, .18);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      line-height: 1.65;
      background:
        radial-gradient(circle at 12% 6%, rgba(255, 138, 0, .18), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(239, 45, 22, .13), transparent 30%),
        linear-gradient(135deg, rgba(255, 246, 237, .96), rgba(255, 250, 243, .98));
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(185, 28, 28, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(185, 28, 28, .045) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.82), transparent 72%);
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    .site-container {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
    }

    .skip-link {
      position: absolute;
      left: -999px;
      top: 10px;
      background: var(--ink);
      color: var(--white);
      padding: 10px 14px;
      border-radius: 10px;
      z-index: 100;
    }

    .skip-link:focus {
      left: 16px;
      outline: 3px solid var(--gold);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 14px 0;
      backdrop-filter: blur(18px);
      background: rgba(255, 250, 243, .82);
      border-bottom: 1px solid var(--line);
    }

    .nav-shell {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 22px;
      padding: 10px 14px;
      border: 1px solid rgba(239, 45, 22, .14);
      border-radius: 999px;
      background: rgba(255, 255, 255, .86);
      box-shadow: 0 10px 30px rgba(131, 52, 12, .08);
    }

    .nav-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-group.right {
      justify-content: flex-end;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 800;
      transition: .25s ease;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--brand-dark);
      background: rgba(239, 45, 22, .08);
      outline: none;
    }

    .nav-link.active {
      color: var(--white);
      background: linear-gradient(135deg, var(--brand), var(--accent));
      box-shadow: 0 10px 22px rgba(239, 45, 22, .22);
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: 999px;
      color: var(--white);
      font-weight: 950;
      letter-spacing: -.02em;
      background: linear-gradient(135deg, #2a1710, #ef2d16 48%, #ff8a00);
      box-shadow: 0 16px 38px rgba(185, 28, 28, .25);
      white-space: nowrap;
    }

    .brand-dot {
      width: 12px;
      height: 12px;
      border-radius: 999px;
      background: var(--gold);
      box-shadow: 0 0 0 6px rgba(246, 196, 83, .24);
    }

    .mobile-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      color: var(--brand-dark);
      background: rgba(239, 45, 22, .09);
      align-items: center;
      justify-content: center;
      font-size: 22px;
      transition: .25s ease;
    }

    .mobile-toggle:hover,
    .mobile-toggle:focus {
      background: rgba(239, 45, 22, .16);
      outline: 3px solid rgba(246, 196, 83, .55);
    }

    main {
      display: block;
    }

    section {
      padding: 72px 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--brand-dark);
      background: rgba(239, 45, 22, .08);
      border: 1px solid rgba(239, 45, 22, .12);
      font-weight: 900;
      font-size: 13px;
    }

    .section-title {
      margin: 10px 0 8px;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.12;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .section-desc {
      margin: 0;
      max-width: 690px;
      color: var(--muted);
      font-size: 17px;
    }

    .hero {
      padding-top: 44px;
    }

    .hero-bento {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      grid-template-rows: auto auto;
      gap: 18px;
      align-items: stretch;
    }

    .hero-main,
    .hero-mini,
    .hero-strip {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.86);
      box-shadow: var(--shadow-soft);
    }

    .hero-main {
      grid-row: span 2;
      min-height: 520px;
      padding: clamp(28px, 5vw, 56px);
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 82% 12%, rgba(255, 138, 0, .22), transparent 28%),
        linear-gradient(145deg, rgba(255,255,255,.94), rgba(255,239,220,.92));
    }

    .hero-main::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -90px;
      width: 320px;
      height: 320px;
      border-radius: 45% 55% 48% 52%;
      background: linear-gradient(135deg, rgba(239,45,22,.18), rgba(255,138,0,.24));
      transform: rotate(-12deg);
    }

    .hero h1 {
      position: relative;
      z-index: 1;
      margin: 18px 0;
      max-width: 780px;
      font-size: clamp(40px, 7vw, 78px);
      line-height: .98;
      letter-spacing: -.06em;
      font-weight: 1000;
    }

    .hero-copy {
      position: relative;
      z-index: 1;
      max-width: 720px;
      color: var(--muted);
      font-size: 18px;
      margin: 0 0 26px;
    }

    .hero-actions {
      position: relative;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 950;
      transition: .25s ease;
      user-select: none;
    }

    .btn-primary {
      color: var(--white);
      background: linear-gradient(135deg, var(--brand), var(--accent));
      box-shadow: 0 14px 28px rgba(239, 45, 22, .22);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      transform: translateY(-2px);
      box-shadow: var(--shadow-lift);
      outline: none;
    }

    .btn-secondary {
      color: var(--brand-dark);
      background: rgba(255, 255, 255, .78);
      border: 1px solid rgba(239, 45, 22, .18);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      background: rgba(239,45,22,.08);
      transform: translateY(-2px);
      outline: 3px solid rgba(246, 196, 83, .45);
    }

    .price-ribbon {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      max-width: 720px;
      margin-top: 26px;
    }

    .price-chip {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.8);
      border: 1px solid rgba(239, 45, 22, .12);
      transition: .25s ease;
    }

    .price-chip:hover {
      transform: translateY(-3px);
      border-color: rgba(239,45,22,.35);
    }

    .price-chip strong {
      display: block;
      color: var(--brand);
      font-size: 22px;
      line-height: 1.1;
    }

    .price-chip span {
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .hero-mini {
      border-radius: var(--radius-lg);
      padding: 24px;
      min-height: 248px;
    }

    .hero-mini.dark {
      color: var(--white);
      background:
        linear-gradient(135deg, rgba(36,20,15,.96), rgba(185,28,28,.92)),
        radial-gradient(circle at top right, rgba(246,196,83,.32), transparent 45%);
    }

    .hero-mini h2,
    .hero-mini h3 {
      margin: 0 0 12px;
      font-size: 24px;
      line-height: 1.18;
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .mini-list {
      display: grid;
      gap: 10px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .mini-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: inherit;
      font-weight: 800;
    }

    .mini-list i,
    .check-dot {
      width: 22px;
      height: 22px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 138, 0, .16);
      color: var(--brand);
      font-style: normal;
      flex: 0 0 auto;
    }

    .hero-mini.dark .mini-list i {
      color: var(--gold);
      background: rgba(255,255,255,.14);
    }

    .hero-strip {
      grid-column: 1 / -1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      border-radius: 24px;
      background: linear-gradient(90deg, rgba(239,45,22,.94), rgba(255,138,0,.9));
      color: var(--white);
    }

    .hero-strip strong {
      font-size: 20px;
      font-weight: 950;
    }

    .card {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.88);
      box-shadow: var(--shadow-soft);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
      overflow: hidden;
    }

    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lift);
      border-color: rgba(239,45,22,.32);
    }

    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      border-radius: 999px;
      font-weight: 900;
      line-height: 1;
    }

    .badge {
      padding: 8px 11px;
      color: var(--white);
      background: linear-gradient(135deg, var(--brand), var(--accent));
      font-size: 12px;
    }

    .tag {
      padding: 7px 10px;
      color: var(--brand-dark);
      background: rgba(239,45,22,.08);
      border: 1px solid rgba(239,45,22,.12);
      font-size: 12px;
    }

    .product-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .product-card {
      padding: 20px;
      min-height: 250px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .product-top {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      align-items: flex-start;
      margin-bottom: 18px;
    }

    .product-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.25;
      letter-spacing: -.02em;
      font-weight: 950;
    }

    .product-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .price {
      display: inline-flex;
      align-items: baseline;
      gap: 4px;
      margin: 18px 0 14px;
      color: var(--brand);
      font-weight: 1000;
      font-size: 28px;
      transition: .25s ease;
    }

    .product-card:hover .price {
      transform: scale(1.04);
    }

    .price small {
      font-size: 13px;
      color: var(--muted);
      font-weight: 800;
    }

    .review-track {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
      align-items: stretch;
    }

    .review-main {
      padding: 28px;
      border-radius: var(--radius-xl);
      color: var(--white);
      background:
        radial-gradient(circle at 78% 8%, rgba(246,196,83,.28), transparent 30%),
        linear-gradient(135deg, #2a1710, #b91c1c);
      box-shadow: var(--shadow-soft);
    }

    .review-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .review-card {
      padding: 22px;
    }

    .stars {
      color: #ffb703;
      letter-spacing: 2px;
      font-weight: 950;
      margin-bottom: 12px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .metric-card {
      padding: 24px;
      text-align: center;
    }

    .metric-card strong {
      display: block;
      color: var(--brand);
      font-size: clamp(30px, 5vw, 48px);
      line-height: 1;
      font-weight: 1000;
    }

    .metric-card span {
      color: var(--muted);
      font-weight: 800;
      font-size: 14px;
    }

    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .compare-card {
      padding: 26px;
    }

    .compare-card.before {
      background: rgba(255,255,255,.7);
    }

    .compare-card.after {
      background: linear-gradient(145deg, rgba(255,255,255,.9), rgba(255,236,214,.95));
      border-color: rgba(239,45,22,.28);
    }

    .compare-list {
      display: grid;
      gap: 12px;
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
    }

    .compare-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-weight: 750;
    }

    .plan-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .plan-card {
      padding: 26px;
      position: relative;
    }

    .plan-card.recommend {
      transform: translateY(-10px);
      border: 2px solid rgba(239,45,22,.35);
      background:
        radial-gradient(circle at 80% 0%, rgba(255,138,0,.18), transparent 34%),
        rgba(255,255,255,.94);
    }

    .plan-card h3 {
      margin: 14px 0 8px;
      font-size: 24px;
      font-weight: 950;
    }

    .plan-card ul {
      display: grid;
      gap: 10px;
      margin: 18px 0 22px;
      padding: 0;
      list-style: none;
      color: var(--muted);
      font-weight: 750;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }

    .news-list {
      display: grid;
      gap: 12px;
      padding: 18px;
    }

    .news-item {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 14px;
      padding: 16px;
      border-radius: 18px;
      border: 1px solid transparent;
      background: rgba(255,246,237,.62);
      transition: .25s ease;
    }

    .news-item:hover,
    .news-item:focus-within {
      border-color: rgba(239,45,22,.25);
      background: rgba(255,239,220,.88);
      transform: translateX(4px);
    }

    .news-num {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      background: linear-gradient(135deg, var(--brand), var(--accent));
      font-weight: 950;
    }

    .news-item a {
      font-weight: 950;
      line-height: 1.35;
    }

    .news-item small {
      color: var(--muted);
      font-weight: 800;
    }

    .recommend-panel {
      padding: 24px;
      background:
        linear-gradient(145deg, rgba(36,20,15,.96), rgba(99,37,18,.94));
      color: var(--white);
    }

    .recommend-panel p {
      color: rgba(255,255,255,.78);
    }

    .guarantee-bar {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 14px;
      padding: 18px;
      border-radius: var(--radius-xl);
      background: rgba(255,255,255,.88);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .guarantee-item {
      display: flex;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,246,237,.72);
      transition: .25s ease;
    }

    .guarantee-item:hover {
      background: rgba(255,239,220,.9);
      transform: translateY(-3px);
    }

    .icon-bubble {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      background: linear-gradient(135deg, var(--brand), var(--accent));
      font-size: 20px;
      flex: 0 0 auto;
    }

    .guarantee-item strong {
      display: block;
      font-weight: 950;
      line-height: 1.2;
    }

    .guarantee-item span {
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: clamp(28px, 5vw, 52px);
      border-radius: var(--radius-xl);
      color: var(--white);
      background:
        radial-gradient(circle at 88% 10%, rgba(246,196,83,.34), transparent 30%),
        linear-gradient(135deg, #b91c1c, #ef2d16 48%, #ff8a00);
      box-shadow: var(--shadow-lift);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      right: -60px;
      bottom: -120px;
      width: 280px;
      height: 280px;
      border-radius: 40%;
      border: 34px solid rgba(255,255,255,.14);
      transform: rotate(20deg);
    }

    .cta-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .cta-panel h2 {
      margin: 0 0 10px;
      font-size: clamp(30px, 5vw, 54px);
      line-height: 1.08;
      letter-spacing: -.04em;
      font-weight: 1000;
    }

    .cta-panel p {
      margin: 0;
      max-width: 720px;
      color: rgba(255,255,255,.82);
      font-size: 17px;
    }

    .cta-panel .btn-secondary {
      color: var(--brand-dark);
      background: var(--white);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    details {
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255,255,255,.86);
      box-shadow: 0 10px 28px rgba(131, 52, 12, .07);
      overflow: hidden;
      transition: .25s ease;
    }

    details:hover {
      border-color: rgba(239,45,22,.28);
      transform: translateY(-2px);
    }

    summary {
      cursor: pointer;
      padding: 20px 22px;
      font-weight: 950;
      list-style: none;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      background: linear-gradient(135deg, var(--brand), var(--accent));
      flex: 0 0 auto;
    }

    details[open] summary::after {
      content: "−";
    }

    details p {
      margin: 0;
      padding: 0 22px 22px;
      color: var(--muted);
    }

    .site-footer {
      padding: 56px 0 26px;
      background: linear-gradient(180deg, rgba(255,246,237,.12), rgba(36,20,15,.96));
      color: var(--white);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .7fr .7fr;
      gap: 28px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(255,255,255,.14);
    }

    .footer-brand {
      font-size: 24px;
      font-weight: 1000;
      letter-spacing: -.03em;
      margin-bottom: 12px;
    }

    .site-footer p,
    .site-footer li,
    .copyright {
      color: rgba(255,255,255,.68);
    }

    .footer-links {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .footer-links a {
      color: rgba(255,255,255,.76);
      transition: .25s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--gold);
      outline: none;
    }

    .footer-title {
      margin: 0 0 14px;
      font-size: 16px;
      font-weight: 950;
    }

    .copyright {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      padding-top: 22px;
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-bento,
      .review-track,
      .news-layout,
      .cta-content {
        grid-template-columns: 1fr;
      }

      .hero-main {
        grid-row: auto;
        min-height: auto;
      }

      .product-grid,
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .guarantee-bar {
        grid-template-columns: repeat(2, 1fr);
      }

      .plan-card.recommend {
        transform: none;
      }
    }

    @media (max-width: 768px) {
      section {
        padding: 52px 0;
      }

      .nav-shell {
        grid-template-columns: auto 1fr auto;
        border-radius: 24px;
      }

      .brand-mark {
        justify-self: center;
        padding: 0 14px;
        font-size: 14px;
      }

      .mobile-toggle {
        display: inline-flex;
      }

      .nav-group {
        display: none;
      }

      .nav-shell.open .nav-group {
        display: flex;
        grid-column: 1 / -1;
        width: 100%;
        justify-content: stretch;
        flex-direction: column;
        align-items: stretch;
        padding: 8px 0 4px;
      }

      .nav-link {
        justify-content: center;
        width: 100%;
      }

      .hero-bento {
        gap: 14px;
      }

      .hero-strip {
        flex-direction: column;
        align-items: flex-start;
      }

      .price-ribbon,
      .compare-wrap,
      .plan-grid,
      .faq-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .review-grid {
        grid-template-columns: 1fr;
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .site-container {
        width: min(100% - 22px, var(--container));
      }

      .hero-main,
      .cta-panel {
        padding: 24px;
        border-radius: 24px;
      }

      .hero h1 {
        font-size: 42px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .product-grid,
      .metric-grid,
      .guarantee-bar {
        grid-template-columns: 1fr;
      }

      .news-item {
        grid-template-columns: auto 1fr;
      }

      .news-item small {
        grid-column: 2;
      }

      .copyright {
        flex-direction: column;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#fcf7ef;
      --bg-soft:#fffaf3;
      --panel:#fffdf8;
      --panel-strong:#fff3e6;
      --line:rgba(104,62,34,.14);
      --line-strong:rgba(190,88,33,.24);
      --text:#2f241b;
      --muted:#7b6656;
      --brand:#c63d1c;
      --brand-2:#f27c24;
      --brand-3:#ffb03a;
      --accent:#8b4d24;
      --shadow:0 16px 40px rgba(133,72,24,.12);
      --shadow-soft:0 8px 24px rgba(133,72,24,.08);
      --radius:22px;
      --radius-sm:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 10%, rgba(255,176,58,.16), transparent 28%),
        radial-gradient(circle at 85% 16%, rgba(242,124,36,.12), transparent 22%),
        radial-gradient(circle at 18% 84%, rgba(198,61,28,.08), transparent 26%),
        linear-gradient(180deg, #fffaf1 0%, #fcf7ef 38%, #f8f1e7 100%);
      min-height:100vh;
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(110,76,40,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(110,76,40,.035) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.45), rgba(0,0,0,.08) 70%, transparent 100%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    img{max-width:100%;display:block}
    button,input,select{font:inherit}
    ::selection{background:rgba(198,61,28,.18)}
    .site-container{
      width:min(1180px, calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(160%) blur(14px);
      background:rgba(255,250,242,.86);
      border-bottom:1px solid rgba(190,88,33,.12);
      box-shadow:0 8px 30px rgba(117,64,27,.05);
    }
    .nav-shell{
      display:grid;
      grid-template-columns: 1fr auto 1fr;
      align-items:center;
      gap:16px;
      min-height:78px;
      padding:12px 0;
    }
    .nav-group{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .nav-group.left{justify-content:flex-start}
    .nav-group.right{justify-content:flex-end}
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      font-size:14px;
      border:1px solid transparent;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--brand);
      border-color:rgba(198,61,28,.18);
      background:rgba(255,255,255,.72);
      box-shadow:0 8px 24px rgba(198,61,28,.08);
      outline:none;
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 12px 28px rgba(198,61,28,.22);
      border-color:transparent;
    }
    .brand-mark{
      display:inline-flex;
      align-items:center;
      gap:12px;
      justify-content:center;
      font-weight:900;
      letter-spacing:.02em;
      font-size:18px;
      color:var(--text);
      white-space:nowrap;
    }
    .brand-mark:hover{transform:translateY(-1px)}
    .brand-dot{
      width:14px;
      height:14px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--brand), var(--brand-3));
      box-shadow:0 0 0 6px rgba(242,124,36,.12), 0 8px 24px rgba(198,61,28,.22);
      flex:none;
    }
    .mobile-toggle{
      display:none;
      border:1px solid rgba(198,61,28,.18);
      background:rgba(255,255,255,.8);
      color:var(--brand);
      border-radius:14px;
      padding:10px 14px;
      box-shadow:var(--shadow-soft);
      font-size:18px;
      line-height:1;
    }
    .page-main{
      padding:20px 0 42px;
    }
    .section-shell{
      margin-top:22px;
    }
    .hero-banner{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(190,88,33,.16);
      border-radius:calc(var(--radius) + 4px);
      background:
        linear-gradient(135deg, rgba(255,255,255,.88), rgba(255,244,231,.92)),
        linear-gradient(180deg, rgba(255,176,58,.08), transparent 70%);
      box-shadow:var(--shadow);
      padding:22px;
    }
    .hero-banner::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 100% 0%, rgba(242,124,36,.16), transparent 24%),
        radial-gradient(circle at 0% 100%, rgba(198,61,28,.08), transparent 26%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:20px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(198,61,28,.08);
      color:var(--brand);
      font-weight:800;
      font-size:13px;
      letter-spacing:.02em;
    }
    .hero-title{
      margin:14px 0 10px;
      font-size:clamp(30px, 4vw, 48px);
      line-height:1.12;
      letter-spacing:-.03em;
      font-weight:900;
      color:#251a12;
    }
    .hero-subtitle{
      margin:0;
      max-width:680px;
      color:var(--muted);
      font-size:16px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:18px;
    }
    .btn-base{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      font-weight:800;
      font-size:15px;
      border:1px solid transparent;
      transition:all .22s ease;
      cursor:pointer;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 14px 28px rgba(198,61,28,.22);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-1px);
      box-shadow:0 16px 32px rgba(198,61,28,.28);
      outline:none;
    }
    .btn-secondary{
      color:var(--brand);
      background:rgba(255,255,255,.8);
      border-color:rgba(198,61,28,.18);
      box-shadow:0 8px 20px rgba(133,72,24,.06);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      transform:translateY(-1px);
      background:#fff;
      border-color:rgba(198,61,28,.32);
      outline:none;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .mini-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.74);
      border:1px solid rgba(190,88,33,.12);
      color:var(--accent);
      font-size:13px;
      font-weight:700;
    }
    .hero-side{
      display:grid;
      gap:12px;
    }
    .info-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(190,88,33,.14);
      border-radius:20px;
      padding:16px;
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .info-card:hover{
      transform:translateY(-2px);
      border-color:rgba(198,61,28,.24);
      box-shadow:0 16px 28px rgba(133,72,24,.12);
    }
    .info-label{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(242,124,36,.12);
      color:var(--brand);
      font-size:12px;
      font-weight:800;
      margin-bottom:10px;
    }
    .info-title{
      font-size:16px;
      font-weight:900;
      margin:0 0 6px;
    }
    .info-text{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .price-box{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      padding:18px;
      border-radius:20px;
      background:linear-gradient(135deg, rgba(198,61,28,.95), rgba(242,124,36,.98));
      color:#fff;
      box-shadow:0 18px 32px rgba(198,61,28,.24);
    }
    .price-box strong{
      display:block;
      font-size:28px;
      line-height:1;
      margin-top:6px;
    }
    .price-box span{
      display:block;
      opacity:.9;
      font-size:13px;
      margin-top:4px;
    }
    .price-badge{
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.24);
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .filter-shell,
    .sort-shell,
    .assure-shell,
    .faq-shell,
    .footer-shell{
      margin-top:18px;
    }
    .panel{
      background:rgba(255,253,248,.92);
      border:1px solid rgba(190,88,33,.14);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .panel-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 18px 10px;
    }
    .panel-title{
      margin:0;
      font-size:20px;
      font-weight:900;
      color:#281a11;
    }
    .panel-desc{
      margin:4px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:0 18px 18px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 13px;
      border-radius:999px;
      border:1px solid rgba(190,88,33,.16);
      background:#fff;
      color:var(--text);
      font-size:13px;
      font-weight:700;
      cursor:pointer;
      transition:all .22s ease;
    }
    .chip:hover,
    .chip:focus-visible{
      border-color:rgba(198,61,28,.34);
      color:var(--brand);
      transform:translateY(-1px);
      outline:none;
      box-shadow:0 10px 20px rgba(198,61,28,.08);
    }
    .chip.hot{background:rgba(198,61,28,.08); color:var(--brand); border-color:rgba(198,61,28,.2)}
    .chip.gold{background:rgba(255,176,58,.14); color:#8a4b14; border-color:rgba(255,176,58,.24)}
    .chip.dark{background:#f7efe4}
    .grid-wrap{
      margin-top:18px;
    }
    .product-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:16px;
    }
    .product-card{
      display:flex;
      flex-direction:column;
      min-height:100%;
      background:
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,248,239,.96));
      border:1px solid rgba(190,88,33,.14);
      border-radius:22px;
      overflow:hidden;
      box-shadow:0 12px 26px rgba(133,72,24,.08);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .product-card:hover{
      transform:translateY(-4px);
      box-shadow:0 18px 36px rgba(133,72,24,.14);
      border-color:rgba(198,61,28,.28);
    }
    .product-top{
      padding:16px 16px 12px;
      background:
        radial-gradient(circle at 100% 0%, rgba(255,176,58,.22), transparent 30%),
        linear-gradient(135deg, rgba(255,250,244,1), rgba(255,242,227,.92));
      border-bottom:1px solid rgba(190,88,33,.1);
    }
    .product-badges{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .tag.hot{background:rgba(198,61,28,.12); color:var(--brand)}
    .tag.sale{background:rgba(255,176,58,.18); color:#8a4b14}
    .tag.safe{background:rgba(84,132,72,.12); color:#4f7650}
    .product-title{
      margin:0;
      font-size:17px;
      line-height:1.35;
      font-weight:900;
      color:#281a11;
    }
    .product-body{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:16px;
      flex:1;
    }
    .product-text{
      margin:0;
      color:var(--muted);
      font-size:14px;
      min-height:64px;
    }
    .product-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:#f7efe4;
      color:#6d4a2e;
      font-size:12px;
      font-weight:700;
    }
    .price-line{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:12px;
      margin-top:auto;
      padding-top:6px;
    }
    .price-main{
      color:var(--brand);
      font-size:26px;
      font-weight:900;
      line-height:1;
      letter-spacing:-.03em;
      transition:transform .22s ease;
    }
    .product-card:hover .price-main{
      transform:scale(1.03);
    }
    .price-sub{
      color:var(--muted);
      font-size:12px;
      margin-top:4px;
    }
    .card-actions{
      display:flex;
      gap:10px;
      margin-top:14px;
    }
    .card-actions .btn-base{
      flex:1;
      min-height:42px;
      font-size:14px;
      border-radius:13px;
    }
    .action-ghost{
      color:var(--brand);
      background:#fff;
      border:1px solid rgba(198,61,28,.16);
    }
    .action-ghost:hover,
    .action-ghost:focus-visible{
      background:rgba(198,61,28,.06);
      border-color:rgba(198,61,28,.28);
      outline:none;
    }
    .section-headline{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-top:18px;
      margin-bottom:12px;
    }
    .section-headline h2{
      margin:0;
      font-size:22px;
      line-height:1.2;
      font-weight:900;
      color:#281a11;
    }
    .section-headline p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .sort-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      padding:16px 18px;
    }
    .sort-options{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .sort-btn{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      border:1px solid rgba(190,88,33,.14);
      background:#fff;
      color:var(--text);
      font-size:13px;
      font-weight:700;
      cursor:pointer;
    }
    .sort-btn.active{
      background:linear-gradient(135deg, rgba(198,61,28,.12), rgba(242,124,36,.14));
      color:var(--brand);
      border-color:rgba(198,61,28,.22);
    }
    .sort-btn:hover{transform:translateY(-1px)}
    .sort-note{
      color:var(--muted);
      font-size:13px;
      font-weight:600;
    }
    .pagination{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      flex-wrap:wrap;
      padding:0 18px 18px;
    }
    .page-link{
      min-width:40px;
      height:40px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:12px;
      border:1px solid rgba(190,88,33,.14);
      background:#fff;
      color:var(--text);
      font-weight:800;
      font-size:14px;
      padding:0 12px;
    }
    .page-link:hover,
    .page-link:focus-visible{
      border-color:rgba(198,61,28,.28);
      color:var(--brand);
      background:rgba(198,61,28,.05);
      outline:none;
    }
    .page-link.active{
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      color:#fff;
      border-color:transparent;
    }
    .assure-strip{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:12px;
    }
    .assure-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(190,88,33,.14);
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease, box-shadow .22s ease;
    }
    .assure-item:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(133,72,24,.1);
    }
    .assure-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      flex:none;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 10px 20px rgba(198,61,28,.2);
    }
    .assure-item h3{
      margin:0 0 4px;
      font-size:15px;
      font-weight:900;
    }
    .assure-item p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .faq-list{
      display:grid;
      gap:12px;
      padding:16px;
    }
    details.faq-item{
      border-radius:18px;
      border:1px solid rgba(190,88,33,.14);
      background:#fff;
      overflow:hidden;
      box-shadow:0 10px 22px rgba(133,72,24,.06);
    }
    details.faq-item[open]{
      border-color:rgba(198,61,28,.24);
      box-shadow:0 16px 28px rgba(133,72,24,.1);
    }
    summary.faq-q{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:800;
      font-size:15px;
      color:#281a11;
    }
    summary::-webkit-details-marker{display:none}
    .faq-a{
      padding:0 18px 16px;
      color:var(--muted);
      font-size:14px;
    }
    .faq-caret{
      width:28px;
      height:28px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(198,61,28,.08);
      color:var(--brand);
      flex:none;
      transition:transform .22s ease;
    }
    details[open] .faq-caret{transform:rotate(180deg)}
    .cta-banner{
      margin-top:18px;
      border-radius:calc(var(--radius) + 2px);
      background:
        linear-gradient(135deg, rgba(198,61,28,.96), rgba(242,124,36,.98));
      color:#fff;
      padding:22px;
      box-shadow:0 18px 36px rgba(198,61,28,.24);
      overflow:hidden;
      position:relative;
    }
    .cta-banner::after{
      content:"";
      position:absolute;
      inset:auto -120px -120px auto;
      width:280px;
      height:280px;
      border-radius:50%;
      background:rgba(255,255,255,.12);
      filter:blur(4px);
    }
    .cta-grid{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    .cta-title{
      margin:0 0 6px;
      font-size:24px;
      line-height:1.2;
      font-weight:900;
    }
    .cta-text{
      margin:0;
      opacity:.92;
      max-width:720px;
      font-size:15px;
    }
    .cta-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .cta-points span{
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.18);
      font-size:13px;
      font-weight:700;
    }
    .cta-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .cta-actions .btn-base{
      min-width:132px;
    }
    .cta-actions .btn-secondary{
      color:#fff;
      background:transparent;
      border-color:rgba(255,255,255,.28);
    }
    .cta-actions .btn-secondary:hover,
    .cta-actions .btn-secondary:focus-visible{
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.42);
      outline:none;
    }
    .site-footer{
      margin-top:24px;
      border-top:1px solid rgba(190,88,33,.12);
      background:linear-gradient(180deg, rgba(255,250,243,.92), rgba(248,241,232,.98));
      padding:28px 0 20px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.3fr .9fr .9fr;
      gap:22px;
      padding-bottom:18px;
    }
    .footer-brand{
      font-size:18px;
      font-weight:900;
      color:#281a11;
      margin-bottom:10px;
    }
    .footer-title{
      margin:0 0 10px;
      font-size:15px;
      font-weight:900;
      color:#281a11;
    }
    .footer-links{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a{
      color:var(--muted);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:var(--brand);
      outline:none;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      padding-top:16px;
      border-top:1px solid rgba(190,88,33,.12);
      color:var(--muted);
      font-size:13px;
    }
    .lead-line{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
      margin-top:10px;
    }
    .lead-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--brand), var(--brand-3));
      box-shadow:0 0 0 5px rgba(242,124,36,.12);
      flex:none;
    }
    .subtle-rule{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(190,88,33,.14), transparent);
      margin:14px 0;
    }
    @media (max-width: 1080px){
      .product-grid{grid-template-columns:repeat(3, minmax(0, 1fr))}
      .assure-strip{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .hero-grid{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .site-container{width:min(100% - 20px, 1180px)}
      .nav-shell{
        grid-template-columns:auto 1fr auto;
        gap:10px;
        min-height:72px;
      }
      .brand-mark{justify-content:flex-start}
      .nav-group{
        display:none;
        width:100%;
        order:3;
        padding:10px 0 2px;
      }
      .nav-shell.open{
        grid-template-columns:1fr auto;
        align-items:start;
      }
      .nav-shell.open .nav-group{
        display:flex;
        justify-content:flex-start;
      }
      .nav-shell.open .nav-group.right{
        padding-top:0;
      }
      .mobile-toggle{display:inline-flex; justify-self:end}
      .hero-banner{padding:18px}
      .panel-head,
      .sort-bar{padding-left:16px; padding-right:16px}
      .chip-row,
      .faq-list{padding-left:16px; padding-right:16px}
      .product-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .footer-grid{grid-template-columns:1fr}
      .section-headline{flex-direction:column; align-items:flex-start}
      .cta-grid{flex-direction:column; align-items:flex-start}
      .cta-actions{width:100%}
      .cta-actions .btn-base{flex:1}
    }
    @media (max-width: 520px){
      .nav-shell,
      .nav-shell.open{
        grid-template-columns:1fr auto;
      }
      .brand-mark{font-size:16px}
      .mobile-toggle{padding:9px 12px}
      .hero-title{font-size:28px}
      .hero-subtitle{font-size:15px}
      .product-grid{grid-template-columns:1fr}
      .assure-strip{grid-template-columns:1fr}
      .price-box{align-items:flex-start; flex-direction:column}
      .sort-bar{align-items:flex-start}
      .sort-options{width:100%}
      .sort-btn{flex:1; justify-content:center}
      .cta-title{font-size:22px}
      .cta-actions{flex-direction:column}
      .cta-actions .btn-base{width:100%}
      .copyright{align-items:flex-start}
    }