/* roulang page: index */
:root {
      --warm-white: #F7F3EC;
      --linen: #E8DFD2;
      --paper: #FFFDF8;
      --charcoal: #1F1F1D;
      --muted: rgba(31,31,29,.68);
      --soft-muted: rgba(31,31,29,.52);
      --terracotta: #A66A4A;
      --terracotta-dark: #8F573B;
      --sage: #7D8B74;
      --sage-dark: #3E4A3F;
      --apricot: #F1D6C7;
      --mist: #C9C2B8;
      --line: rgba(31,31,29,.10);
      --shadow: 0 18px 50px rgba(45,35,25,.08);
      --shadow-strong: 0 24px 70px rgba(45,35,25,.12);
      --radius-xl: 24px;
      --radius-lg: 18px;
      --radius-md: 14px;
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--charcoal);
      background:
        linear-gradient(rgba(31,31,29,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31,31,29,.035) 1px, transparent 1px),
        var(--warm-white);
      background-size: 36px 36px;
      line-height: 1.78;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    .site-container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .skip-link {
      position: absolute;
      left: 16px;
      top: -60px;
      z-index: 100;
      padding: 10px 14px;
      border-radius: 999px;
      background: var(--charcoal);
      color: var(--warm-white);
      transition: top .2s ease;
    }

    .skip-link:focus {
      top: 12px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247,243,236,.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
    }

    .nav-wrap {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 800;
      color: var(--charcoal);
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--terracotta), var(--sage));
      position: relative;
      flex: 0 0 auto;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.34);
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 1.5px solid rgba(255,253,248,.78);
      border-radius: 7px;
    }

    .brand-text {
      font-size: 18px;
      line-height: 1.18;
      white-space: nowrap;
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      padding: 0 16px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 650;
      color: rgba(31,31,29,.78);
      transition: background .2s ease, color .2s ease, transform .2s ease;
    }

    .nav-link:hover {
      background: rgba(232,223,210,.72);
      color: var(--charcoal);
    }

    .nav-link.active {
      background: rgba(166,106,74,.13);
      color: var(--terracotta-dark);
    }

    .nav-cta,
    .btn-primary,
    .btn-secondary,
    .btn-ghost {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 0 20px;
      font-weight: 750;
      transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, color .2s ease;
      white-space: nowrap;
    }

    .nav-cta,
    .btn-primary {
      background: var(--terracotta);
      color: var(--warm-white);
      box-shadow: 0 12px 26px rgba(166,106,74,.20);
    }

    .nav-cta:hover,
    .btn-primary:hover {
      background: var(--terracotta-dark);
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(166,106,74,.24);
    }

    .btn-secondary {
      border: 1px solid rgba(31,31,29,.22);
      background: rgba(255,253,248,.58);
      color: var(--charcoal);
    }

    .btn-secondary:hover {
      background: var(--apricot);
      border-color: rgba(166,106,74,.34);
      transform: translateY(-2px);
    }

    .btn-ghost {
      border: 1px solid var(--line);
      background: rgba(255,253,248,.72);
      color: var(--charcoal);
    }

    .btn-ghost:hover {
      background: var(--linen);
      transform: translateY(-1px);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(166,106,74,.34);
      outline-offset: 3px;
    }

    .menu-btn {
      display: none;
      width: 46px;
      height: 46px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255,253,248,.78);
      color: var(--charcoal);
      align-items: center;
      justify-content: center;
    }

    .menu-lines,
    .menu-lines::before,
    .menu-lines::after {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 99px;
      background: var(--charcoal);
      transition: transform .2s ease, opacity .2s ease;
    }

    .menu-lines {
      position: relative;
    }

    .menu-lines::before,
    .menu-lines::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-lines::before {
      top: -6px;
    }

    .menu-lines::after {
      top: 6px;
    }

    .mobile-panel {
      display: none;
      padding: 0 20px 18px;
    }

    .mobile-menu {
      border: 1px solid var(--line);
      border-radius: 20px;
      background: var(--paper);
      box-shadow: var(--shadow);
      padding: 10px;
    }

    .mobile-menu a {
      width: 100%;
      justify-content: flex-start;
      margin: 2px 0;
    }

    .section {
      padding: 88px 0;
    }

    .section.tight {
      padding: 66px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-kicker,
    .chip,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 750;
      line-height: 1;
    }

    .section-kicker {
      color: var(--terracotta-dark);
      background: rgba(166,106,74,.12);
      padding: 9px 13px;
      margin-bottom: 15px;
    }

    .chip {
      min-height: 34px;
      padding: 0 12px;
      color: rgba(31,31,29,.70);
      background: rgba(232,223,210,.72);
      border: 1px solid rgba(31,31,29,.07);
    }

    .chip.active {
      background: var(--terracotta);
      color: var(--warm-white);
      border-color: var(--terracotta);
    }

    .badge {
      min-height: 30px;
      padding: 0 10px;
      color: var(--sage-dark);
      background: rgba(125,139,116,.14);
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 4vw, 40px);
      line-height: 1.16;
      font-weight: 850;
      letter-spacing: 0;
    }

    .section-desc {
      max-width: 650px;
      color: var(--muted);
      font-size: 16px;
      margin: 12px 0 0;
    }

    .hero {
      padding: 48px 0 72px;
    }

    .age-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin: 18px auto 24px;
      padding: 13px 16px;
      border: 1px solid rgba(166,106,74,.22);
      border-radius: 999px;
      background: rgba(255,253,248,.76);
      color: rgba(31,31,29,.72);
      font-size: 14px;
    }

    .age-strip strong {
      color: var(--terracotta-dark);
    }

    .hero-board {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 32px;
      background:
        linear-gradient(90deg, rgba(255,253,248,.92), rgba(232,223,210,.78)),
        repeating-linear-gradient(90deg, transparent 0 58px, rgba(31,31,29,.035) 58px 59px),
        repeating-linear-gradient(0deg, transparent 0 58px, rgba(31,31,29,.035) 58px 59px);
      box-shadow: var(--shadow);
      padding: clamp(28px, 5vw, 58px);
    }

    .hero-board::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(31,31,29,.055);
      border-radius: 24px;
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(320px, .78fr);
      gap: 34px;
      align-items: center;
      z-index: 1;
    }

    .hero h1 {
      margin: 0;
      max-width: 780px;
      font-size: clamp(34px, 5.4vw, 62px);
      line-height: 1.1;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-copy {
      margin: 20px 0 0;
      max-width: 720px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 30px;
      max-width: 760px;
    }

    .point {
      border: 1px solid var(--line);
      background: rgba(255,253,248,.62);
      border-radius: 18px;
      padding: 15px;
    }

    .point b {
      display: block;
      font-size: 23px;
      line-height: 1;
      color: var(--terracotta-dark);
      margin-bottom: 8px;
    }

    .point span {
      color: var(--soft-muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .progress-card {
      background: rgba(255,253,248,.84);
      border: 1px solid rgba(31,31,29,.10);
      border-radius: 28px;
      padding: 24px;
      box-shadow: 0 18px 44px rgba(45,35,25,.07);
    }

    .progress-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 20px;
    }

    .ring {
      width: 150px;
      aspect-ratio: 1;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background:
        radial-gradient(circle at center, var(--paper) 0 58%, transparent 59%),
        conic-gradient(var(--terracotta) 0 73%, rgba(232,223,210,.95) 73% 100%);
      box-shadow: inset 0 0 0 1px rgba(31,31,29,.06);
      flex: 0 0 auto;
    }

    .ring strong {
      font-size: 34px;
      line-height: 1;
      color: var(--terracotta-dark);
    }

    .ring span {
      display: block;
      font-size: 12px;
      color: var(--soft-muted);
      text-align: center;
      margin-top: 4px;
    }

    .tier-list {
      display: grid;
      gap: 10px;
    }

    .tier {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(232,223,210,.48);
      border: 1px solid rgba(31,31,29,.07);
    }

    .tier strong {
      font-size: 15px;
    }

    .tier span {
      color: var(--muted);
      font-size: 13px;
      text-align: right;
    }

    .series-rail {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 24px;
      align-items: stretch;
    }

    .series-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: rgba(255,253,248,.78);
      padding: 28px;
      box-shadow: var(--shadow);
    }

    .series-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .series-map {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .map-item {
      min-height: 132px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 20px;
      background: var(--paper);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .map-item:hover {
      transform: translateY(-2px);
      border-color: rgba(166,106,74,.45);
      box-shadow: var(--shadow);
    }

    .map-item small {
      color: var(--terracotta-dark);
      font-weight: 800;
    }

    .map-item h3 {
      margin: 8px 0 6px;
      font-size: 19px;
      line-height: 1.25;
      font-weight: 850;
    }

    .map-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .matrix {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 30px;
      align-items: start;
    }

    .matrix-aside {
      position: sticky;
      top: 104px;
      border-left: 3px solid var(--terracotta);
      padding-left: 22px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .feature-card,
    .compare-card,
    .news-card,
    .guarantee-card,
    .offer-card {
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: rgba(255,253,248,.82);
      box-shadow: 0 12px 34px rgba(45,35,25,.055);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
    }

    .feature-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .feature-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 24px;
      width: 62px;
      height: 4px;
      border-radius: 0 0 999px 999px;
      background: var(--sage);
    }

    .feature-card:nth-child(2n)::before {
      background: var(--terracotta);
    }

    .feature-card:hover,
    .compare-card:hover,
    .news-card:hover,
    .guarantee-card:hover,
    .offer-card:hover {
      transform: translateY(-2px);
      border-color: rgba(166,106,74,.45);
      box-shadow: var(--shadow);
    }

    .feature-no {
      color: var(--terracotta-dark);
      font-weight: 900;
      font-size: 13px;
    }

    .feature-card h3 {
      margin: 12px 0 8px;
      font-size: 20px;
      line-height: 1.28;
      font-weight: 850;
    }

    .feature-card p {
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 15px;
    }

    .compare-wrap {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .compare-card {
      padding: 24px;
      min-height: 280px;
    }

    .compare-card.recommended {
      background: linear-gradient(180deg, rgba(241,214,199,.58), rgba(255,253,248,.9));
      border-color: rgba(166,106,74,.38);
    }

    .compare-card h3 {
      margin: 14px 0 10px;
      font-size: 21px;
      line-height: 1.25;
      font-weight: 850;
    }

    .compare-card p {
      color: var(--muted);
      font-size: 15px;
      margin: 0 0 18px;
    }

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

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      color: rgba(31,31,29,.76);
      font-size: 14px;
    }

    .check-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--sage);
      margin-top: 9px;
      flex: 0 0 auto;
    }

    .offer-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .offer-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .offer-card.featured {
      background: var(--sage-dark);
      color: var(--warm-white);
    }

    .offer-card.featured p,
    .offer-card.featured .quota {
      color: rgba(247,243,236,.76);
    }

    .offer-card h3 {
      margin: 12px 0 8px;
      font-size: 22px;
      font-weight: 850;
    }

    .quota {
      color: var(--muted);
      font-size: 14px;
      margin: 0 0 16px;
    }

    .bar {
      height: 9px;
      border-radius: 999px;
      background: rgba(31,31,29,.10);
      overflow: hidden;
      margin: 18px 0;
    }

    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: var(--terracotta);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 22px;
      align-items: start;
    }

    .news-list {
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: rgba(255,253,248,.82);
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .news-item {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px 22px;
      border-bottom: 1px solid var(--line);
      transition: background .2s ease;
    }

    .news-item:last-child {
      border-bottom: 0;
    }

    .news-item:hover {
      background: rgba(232,223,210,.38);
    }

    .news-date {
      color: var(--terracotta-dark);
      font-weight: 850;
      font-size: 14px;
    }

    .news-title {
      font-size: 18px;
      line-height: 1.35;
      font-weight: 850;
      transition: color .2s ease;
    }

    .news-title:hover {
      color: var(--terracotta-dark);
    }

    .news-summary {
      margin: 5px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .side-recommend {
      display: grid;
      gap: 14px;
    }

    .news-card {
      padding: 20px;
    }

    .news-card h3 {
      margin: 10px 0 8px;
      font-size: 19px;
      font-weight: 850;
    }

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

    .guarantee-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .guarantee-card {
      padding: 22px;
    }

    .guarantee-card strong {
      display: block;
      font-size: 18px;
      margin: 12px 0 8px;
    }

    .guarantee-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .icon-box {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: rgba(166,106,74,.12);
      color: var(--terracotta-dark);
      font-weight: 900;
    }

    .faq-wrap {
      max-width: 920px;
      margin: 0 auto;
      border: 1px solid var(--line);
      border-radius: 26px;
      background: rgba(255,253,248,.84);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .faq-item {
      border-bottom: 1px solid var(--line);
    }

    .faq-item:last-child {
      border-bottom: 0;
    }

    .faq-question {
      width: 100%;
      min-height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      border: 0;
      background: transparent;
      color: var(--charcoal);
      text-align: left;
      font-weight: 850;
      font-size: 17px;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(232,223,210,.72);
      color: var(--terracotta-dark);
      flex: 0 0 auto;
      transition: transform .2s ease, background .2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
      background: rgba(232,223,210,.25);
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: rgba(166,106,74,.16);
    }

    .form-section {
      padding-bottom: 98px;
    }

    .form-band {
      display: grid;
      grid-template-columns: .86fr 1.14fr;
      gap: 28px;
      align-items: start;
      border: 1px solid var(--line);
      border-radius: 32px;
      background:
        linear-gradient(135deg, rgba(62,74,63,.96), rgba(31,31,29,.96));
      padding: clamp(24px, 4vw, 40px);
      color: var(--warm-white);
      box-shadow: var(--shadow-strong);
    }

    .form-band .section-kicker {
      background: rgba(247,243,236,.12);
      color: var(--apricot);
    }

    .form-band .section-desc {
      color: rgba(247,243,236,.74);
    }

    .trust-list {
      display: grid;
      gap: 12px;
      margin-top: 26px;
      padding: 0;
      list-style: none;
      color: rgba(247,243,236,.78);
      font-size: 15px;
    }

    .trust-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }

    .trust-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--apricot);
      margin-top: 10px;
      flex: 0 0 auto;
    }

    .feedback-form {
      border: 1px solid rgba(247,243,236,.16);
      border-radius: 24px;
      background: rgba(255,253,248,.94);
      padding: 24px;
      color: var(--charcoal);
      box-shadow: 0 20px 55px rgba(0,0,0,.16);
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label,
    .confirm {
      font-size: 14px;
      font-weight: 750;
      color: rgba(31,31,29,.78);
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 50px;
      border: 1px solid #D8CEC2;
      border-radius: 14px;
      background: #FFFDF8;
      padding: 12px 14px;
      color: var(--charcoal);
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .field textarea {
      min-height: 122px;
      resize: vertical;
    }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      border-color: var(--terracotta);
      box-shadow: 0 0 0 4px rgba(166,106,74,.13);
      outline: 0;
      background: #fff;
    }

    .confirm {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      margin: 4px 0 14px;
      line-height: 1.55;
    }

    .confirm input {
      width: 18px;
      height: 18px;
      margin-top: 2px;
      accent-color: var(--terracotta);
      flex: 0 0 auto;
    }

    .form-note {
      margin: 12px 0 0;
      color: var(--soft-muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .site-footer {
      background: var(--charcoal);
      color: var(--warm-white);
      padding: 52px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 30px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 850;
      font-size: 18px;
      margin-bottom: 14px;
    }

    .footer-text,
    .footer-links a,
    .copyright {
      color: rgba(247,243,236,.68);
      font-size: 14px;
      line-height: 1.75;
    }

    .footer-title {
      margin: 0 0 12px;
      font-size: 16px;
      font-weight: 850;
      color: var(--warm-white);
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      transition: color .2s ease;
    }

    .footer-links a:hover {
      color: var(--apricot);
    }

    .footer-bottom {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(247,243,236,.12);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .series-rail,
      .matrix,
      .news-layout,
      .form-band {
        grid-template-columns: 1fr;
      }

      .matrix-aside {
        position: static;
      }

      .compare-wrap,
      .offer-row,
      .guarantee-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .progress-top {
        justify-content: flex-start;
      }
    }

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }

      .nav-wrap {
        height: 68px;
      }

      .desktop-nav,
      .nav-cta {
        display: none;
      }

      .menu-btn {
        display: inline-flex;
      }

      .mobile-panel.open {
        display: block;
      }

      .brand-text {
        font-size: 16px;
        max-width: calc(100vw - 120px);
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .section,
      .section.tight {
        padding: 56px 0;
      }

      .hero {
        padding: 28px 0 52px;
      }

      .age-strip {
        align-items: flex-start;
        border-radius: 20px;
        flex-direction: column;
      }

      .hero-board {
        border-radius: 26px;
        padding: 24px;
      }

      .hero-board::before {
        display: none;
      }

      .hero-points,
      .feature-grid,
      .series-map,
      .compare-wrap,
      .offer-row,
      .guarantee-strip,
      .footer-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

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

      .news-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .news-item .chip {
        width: fit-content;
      }

      .ring {
        width: 132px;
      }
    }

    @media (max-width: 520px) {
      .hero-actions,
      .series-tabs {
        flex-direction: column;
        align-items: stretch;
      }

      .btn-primary,
      .btn-secondary,
      .btn-ghost {
        width: 100%;
        white-space: normal;
        text-align: center;
      }

      .progress-top {
        flex-direction: column;
        align-items: flex-start;
      }

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

      .tier span {
        text-align: left;
      }

      .feedback-form {
        padding: 18px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
      }
    }

/* roulang page: category1 */
:root {
      --warm-white: #F7F3EC;
      --lime-beige: #E8DFD2;
      --charcoal: #1F1F1D;
      --muted: rgba(31, 31, 29, .68);
      --soft-muted: rgba(31, 31, 29, .52);
      --terracotta: #A66A4A;
      --terracotta-dark: #8F573B;
      --sage: #7D8B74;
      --sage-dark: #3E4A3F;
      --apricot: #F1D6C7;
      --fog: #C9C2B8;
      --panel: #FFFDF8;
      --line: rgba(31,31,29,.10);
      --line-strong: rgba(31,31,29,.16);
      --shadow: 0 18px 50px rgba(45,35,25,.08);
      --shadow-hover: 0 22px 60px rgba(45,35,25,.13);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--charcoal);
      background:
        linear-gradient(rgba(31,31,29,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31,31,29,.035) 1px, transparent 1px),
        var(--warm-white);
      background-size: 44px 44px;
      line-height: 1.78;
      letter-spacing: 0;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

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

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

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(166,106,74,.35);
      outline-offset: 3px;
    }

    .site-container {
      width: min(calc(100% - 40px), var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 243, 236, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }

    .nav-wrap {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      color: var(--charcoal);
      line-height: 1.2;
    }

    .brand-text {
      font-size: 18px;
      max-width: 300px;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      flex: 0 0 auto;
      border-radius: 10px;
      background:
        linear-gradient(135deg, var(--terracotta) 0 48%, transparent 48% 52%, var(--sage) 52% 100%);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.45), 0 8px 18px rgba(45,35,25,.12);
      position: relative;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px;
      border: 1px solid rgba(255,255,255,.72);
      border-radius: 6px;
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      margin-left: auto;
    }

    .nav-link {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      padding: 0 15px;
      border-radius: 999px;
      color: rgba(31,31,29,.74);
      font-size: 15px;
      font-weight: 650;
      transition: color .2s ease, background .2s ease, transform .2s ease;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--charcoal);
      background: rgba(232,223,210,.72);
      transform: translateY(-1px);
    }

    .nav-link.active {
      color: var(--terracotta-dark);
      background: rgba(241,214,199,.72);
    }

    .nav-cta,
    .btn-primary,
    .btn-secondary {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 0 20px;
      font-size: 15px;
      font-weight: 760;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .nav-cta,
    .btn-primary {
      color: var(--warm-white);
      background: var(--terracotta);
      box-shadow: 0 12px 26px rgba(166,106,74,.20);
    }

    .nav-cta:hover,
    .btn-primary:hover {
      background: var(--terracotta-dark);
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(166,106,74,.26);
    }

    .btn-secondary {
      color: var(--charcoal);
      background: transparent;
      border-color: rgba(31,31,29,.22);
    }

    .btn-secondary:hover {
      background: var(--apricot);
      border-color: rgba(166,106,74,.32);
      transform: translateY(-2px);
    }

    .menu-btn {
      display: none;
      width: 46px;
      height: 46px;
      border: 1px solid var(--line-strong);
      border-radius: 999px;
      background: rgba(255,253,248,.72);
      align-items: center;
      justify-content: center;
      transition: background .2s ease, border-color .2s ease;
    }

    .menu-btn:hover {
      background: var(--lime-beige);
      border-color: rgba(166,106,74,.30);
    }

    .menu-lines,
    .menu-lines::before,
    .menu-lines::after {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--charcoal);
      border-radius: 999px;
      transition: transform .2s ease, opacity .2s ease;
      content: "";
    }

    .menu-lines::before {
      transform: translateY(-6px);
    }

    .menu-lines::after {
      transform: translateY(4px);
    }

    .menu-btn[aria-expanded="true"] .menu-lines {
      transform: rotate(45deg);
    }

    .menu-btn[aria-expanded="true"] .menu-lines::before {
      transform: translateY(0) rotate(90deg);
    }

    .menu-btn[aria-expanded="true"] .menu-lines::after {
      opacity: 0;
      transform: translateY(0);
    }

    .mobile-panel {
      display: none;
      padding-bottom: 18px;
    }

    .mobile-menu {
      display: grid;
      gap: 8px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(255,253,248,.96);
      box-shadow: var(--shadow);
    }

    .section {
      padding: 84px 0;
    }

    .section-tight {
      padding: 56px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 13px;
      border-radius: 999px;
      color: var(--sage-dark);
      background: rgba(125,139,116,.12);
      border: 1px solid rgba(125,139,116,.22);
      font-size: 13px;
      font-weight: 760;
    }

    .hero {
      padding: 64px 0 46px;
    }

    .hero-board {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(255,253,248,.96), rgba(232,223,210,.86)),
        linear-gradient(rgba(166,106,74,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(166,106,74,.05) 1px, transparent 1px);
      background-size: auto, 34px 34px, 34px 34px;
      box-shadow: var(--shadow);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
      gap: 34px;
      padding: 52px;
      align-items: stretch;
    }

    .hero h1 {
      margin: 18px 0 18px;
      max-width: 780px;
      font-size: clamp(34px, 4.2vw, 56px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 720px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
      margin: 0 0 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-top: 28px;
    }

    .corner-badge {
      position: absolute;
      right: 28px;
      top: 24px;
      transform: rotate(5deg);
      padding: 10px 14px;
      border-radius: 16px;
      color: var(--warm-white);
      background: var(--sage-dark);
      box-shadow: 0 14px 30px rgba(62,74,63,.20);
      font-size: 13px;
      font-weight: 800;
    }

    .age-note {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      max-width: 680px;
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(241,214,199,.46);
      border: 1px solid rgba(166,106,74,.20);
      color: rgba(31,31,29,.76);
      font-size: 14px;
      line-height: 1.7;
    }

    .age-dot {
      width: 10px;
      height: 10px;
      flex: 0 0 auto;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--terracotta);
      box-shadow: 0 0 0 5px rgba(166,106,74,.12);
    }

    .metric-panel {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      align-content: end;
      padding-top: 44px;
    }

    .metric-card,
    .info-card,
    .list-card,
    .side-card,
    .matrix-card,
    .compare-card,
    .faq-item,
    .form-panel {
      border: 1px solid var(--line);
      background: rgba(255,253,248,.88);
      border-radius: var(--radius-md);
      box-shadow: 0 12px 36px rgba(45,35,25,.055);
    }

    .metric-card {
      min-height: 138px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .metric-value {
      font-size: 34px;
      line-height: 1;
      font-weight: 900;
      color: var(--terracotta-dark);
    }

    .metric-value span {
      font-size: 14px;
      color: var(--soft-muted);
      font-weight: 750;
      margin-left: 4px;
    }

    .metric-label {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .filter-wrap {
      margin-top: 24px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: rgba(255,253,248,.78);
      box-shadow: 0 10px 32px rgba(45,35,25,.05);
    }

    .filter-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }

    .filter-label {
      color: var(--muted);
      font-size: 14px;
      font-weight: 760;
      margin-right: 4px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(232,223,210,.70);
      border: 1px solid rgba(31,31,29,.08);
      color: rgba(31,31,29,.72);
      font-size: 14px;
      font-weight: 700;
      transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
    }

    .chip:hover {
      transform: translateY(-1px);
      border-color: rgba(166,106,74,.24);
    }

    .chip.active {
      background: var(--terracotta);
      color: var(--warm-white);
      border-color: var(--terracotta);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .88fr) minmax(280px, .42fr);
      gap: 36px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-title {
      margin: 14px 0 0;
      font-size: clamp(26px, 3vw, 40px);
      line-height: 1.22;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.9;
    }

    .index-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 26px;
      align-items: start;
    }

    .list-stack {
      display: grid;
      gap: 16px;
    }

    .list-card {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 190px;
      gap: 22px;
      padding: 24px;
      transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    .list-card:hover {
      border-color: rgba(166,106,74,.42);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .list-title {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.35;
      font-weight: 860;
      transition: color .2s ease;
    }

    .list-card:hover .list-title {
      color: var(--terracotta-dark);
    }

    .list-summary {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .mini-tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(125,139,116,.11);
      color: var(--sage-dark);
      font-size: 12px;
      font-weight: 760;
    }

    .list-meta {
      display: grid;
      gap: 10px;
      align-content: space-between;
      justify-items: end;
      border-left: 1px solid var(--line);
      padding-left: 20px;
    }

    .meta-box {
      width: 100%;
      border-radius: 16px;
      background: rgba(232,223,210,.42);
      padding: 12px;
    }

    .meta-name {
      display: block;
      color: var(--soft-muted);
      font-size: 12px;
      font-weight: 760;
    }

    .meta-value {
      display: block;
      margin-top: 2px;
      color: var(--charcoal);
      font-size: 15px;
      font-weight: 850;
    }

    .enter-btn {
      width: 100%;
      min-height: 42px;
      border: 1px solid rgba(166,106,74,.28);
      border-radius: 999px;
      background: rgba(241,214,199,.55);
      color: var(--terracotta-dark);
      font-weight: 820;
      transition: background .2s ease, color .2s ease, transform .2s ease;
    }

    .enter-btn:hover {
      background: var(--terracotta);
      color: var(--warm-white);
      transform: translateY(-1px);
    }

    .side-stack {
      display: grid;
      gap: 16px;
      position: sticky;
      top: 96px;
    }

    .side-card {
      padding: 22px;
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 12px;
      font-size: 18px;
      line-height: 1.35;
      font-weight: 880;
    }

    .side-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .stat-list,
    .check-list {
      display: grid;
      gap: 10px;
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
    }

    .stat-list li,
    .check-list li {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      color: var(--muted);
      font-size: 14px;
      border-top: 1px solid var(--line);
      padding-top: 10px;
    }

    .check-list li {
      justify-content: flex-start;
      align-items: flex-start;
    }

    .check-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 9px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: var(--sage);
    }

    .stat-list strong {
      color: var(--charcoal);
      font-weight: 850;
      white-space: nowrap;
    }

    .matrix {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 28px;
      align-items: start;
    }

    .matrix-intro {
      padding: 30px 0;
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .matrix-card {
      padding: 22px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      position: relative;
      overflow: hidden;
    }

    .matrix-card::before {
      content: "";
      display: block;
      width: 46px;
      height: 4px;
      border-radius: 999px;
      background: var(--terracotta);
      margin-bottom: 18px;
    }

    .matrix-card:nth-child(even)::before {
      background: var(--sage);
    }

    .matrix-card:hover {
      transform: translateY(-2px);
      border-color: rgba(166,106,74,.38);
      box-shadow: var(--shadow-hover);
    }

    .card-index {
      color: var(--soft-muted);
      font-size: 13px;
      font-weight: 850;
    }

    .matrix-card h3 {
      margin: 8px 0 8px;
      font-size: 19px;
      line-height: 1.38;
      font-weight: 880;
    }

    .matrix-card p {
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .compare-band {
      background: rgba(232,223,210,.58);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .compare-card {
      padding: 24px;
      min-height: 258px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .compare-card.featured {
      background: rgba(241,214,199,.42);
      border-color: rgba(166,106,74,.34);
    }

    .compare-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .compare-card h3 {
      margin: 12px 0 10px;
      font-size: 21px;
      line-height: 1.35;
      font-weight: 900;
    }

    .compare-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.85;
    }

    .scale {
      height: 10px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(31,31,29,.10);
      margin-top: 18px;
    }

    .scale span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--sage), var(--terracotta));
    }

    .pagination {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      justify-content: center;
      margin-top: 26px;
    }

    .page-btn {
      min-width: 42px;
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      border: 1px solid var(--line-strong);
      background: rgba(255,253,248,.76);
      color: var(--muted);
      font-weight: 760;
      transition: background .2s ease, color .2s ease, border-color .2s ease;
    }

    .page-btn:hover {
      border-color: rgba(166,106,74,.35);
      color: var(--terracotta-dark);
      background: rgba(241,214,199,.45);
    }

    .page-btn.current {
      color: var(--warm-white);
      background: var(--terracotta);
      border-color: var(--terracotta);
    }

    .faq-wrap {
      max-width: 900px;
      margin: 0 auto;
      display: grid;
      gap: 12px;
    }

    .faq-item {
      overflow: hidden;
      box-shadow: none;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      border: 0;
      background: transparent;
      color: var(--charcoal);
      text-align: left;
      font-weight: 840;
    }

    .faq-icon {
      width: 24px;
      height: 24px;
      flex: 0 0 auto;
      border-radius: 50%;
      border: 1px solid rgba(31,31,29,.18);
      position: relative;
      transition: transform .2s ease, background .2s ease;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      left: 6px;
      right: 6px;
      top: 11px;
      height: 2px;
      background: var(--terracotta);
      border-radius: 999px;
    }

    .faq-icon::after {
      transform: rotate(90deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
      background: rgba(232,223,210,.28);
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: rgba(241,214,199,.56);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 28px;
      align-items: start;
    }

    .cta-copy {
      padding: 30px 0;
    }

    .form-panel {
      padding: 26px;
      border-radius: 24px;
      box-shadow: var(--shadow);
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .field {
      display: grid;
      gap: 8px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
      color: rgba(31,31,29,.76);
      font-size: 14px;
      font-weight: 780;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 50px;
      border: 1px solid #D8CEC2;
      border-radius: 14px;
      background: rgba(255,253,248,.92);
      color: var(--charcoal);
      padding: 0 14px;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .field textarea {
      min-height: 116px;
      padding-top: 12px;
      resize: vertical;
    }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      outline: none;
      border-color: var(--terracotta);
      box-shadow: 0 0 0 4px rgba(166,106,74,.14);
      background: #fff;
    }

    .confirm {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
      margin: 16px 0 18px;
    }

    .confirm input {
      width: 18px;
      height: 18px;
      margin-top: 4px;
      accent-color: var(--terracotta);
      flex: 0 0 auto;
    }

    .form-note {
      margin: 14px 0 0;
      color: var(--soft-muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .site-footer {
      padding: 58px 0 28px;
      background: var(--charcoal);
      color: var(--warm-white);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .7fr 1fr;
      gap: 42px;
      align-items: start;
    }

    .footer-brand {
      color: var(--warm-white);
      font-size: 18px;
      margin-bottom: 16px;
    }

    .footer-text {
      margin: 0;
      color: rgba(247,243,236,.72);
      font-size: 14px;
      line-height: 1.85;
    }

    .footer-title {
      margin: 0 0 14px;
      font-size: 16px;
      font-weight: 850;
      color: var(--warm-white);
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
    }

    .footer-links a {
      color: rgba(247,243,236,.74);
      font-size: 14px;
      transition: color .2s ease;
    }

    .footer-links a:hover {
      color: var(--apricot);
    }

    .footer-bottom {
      margin-top: 38px;
      padding-top: 22px;
      border-top: 1px solid rgba(247,243,236,.12);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      flex-wrap: wrap;
    }

    .copyright {
      margin: 0;
      color: rgba(247,243,236,.64);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-inner,
      .index-layout,
      .matrix,
      .cta-grid {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .section-head {
        grid-template-columns: 1fr;
        gap: 16px;
      }

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

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

    @media (max-width: 768px) {
      .site-container {
        width: min(calc(100% - 28px), var(--container));
      }

      .desktop-nav,
      .nav-cta {
        display: none;
      }

      .menu-btn {
        display: inline-flex;
      }

      .mobile-panel.show {
        display: block;
      }

      .brand-text {
        font-size: 16px;
        max-width: 220px;
      }

      .nav-wrap {
        min-height: 68px;
      }

      .hero {
        padding-top: 36px;
      }

      .hero-inner {
        padding: 30px 22px;
      }

      .corner-badge {
        position: static;
        display: inline-flex;
        margin: 0 0 8px 22px;
        transform: rotate(0);
      }

      .metric-panel,
      .matrix-grid,
      .form-grid,
      .side-stack {
        grid-template-columns: 1fr;
      }

      .list-card {
        grid-template-columns: 1fr;
      }

      .list-meta {
        border-left: 0;
        border-top: 1px solid var(--line);
        padding-left: 0;
        padding-top: 16px;
        justify-items: stretch;
      }

      .section {
        padding: 60px 0;
      }

      .section-tight {
        padding: 42px 0;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }

    @media (max-width: 520px) {
      .hero h1 {
        font-size: 34px;
      }

      .hero-actions {
        display: grid;
      }

      .btn-primary,
      .btn-secondary {
        width: 100%;
      }

      .filter-row {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: thin;
      }

      .filter-label,
      .chip {
        flex: 0 0 auto;
      }

      .metric-card {
        min-height: auto;
      }

      .footer-bottom {
        align-items: flex-start;
      }
    }