/* roulang page: index */
:root {
      --ink: #151917;
      --ink-2: #222a27;
      --graphite: #2b312f;
      --panel: #f7f5ef;
      --paper: #fffdf8;
      --muted: #65706b;
      --soft: #e8e3d8;
      --line: rgba(31, 39, 36, .12);
      --line-strong: rgba(31, 39, 36, .22);
      --green: #0f6f5c;
      --green-bright: #35d6af;
      --amber: #c68a2b;
      --cyan-soft: #e2f7f0;
      --white: #ffffff;
      --shadow: 0 18px 60px rgba(34, 42, 39, .10);
      --shadow-soft: 0 10px 28px rgba(34, 42, 39, .08);
      --radius-xl: 30px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1220px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background:
        linear-gradient(rgba(31, 39, 36, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31, 39, 36, .035) 1px, transparent 1px),
        var(--panel);
      background-size: 36px 36px;
      line-height: 1.68;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease);
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    .section {
      padding: 96px 0;
      position: relative;
    }

    .section.compact {
      padding: 70px 0;
    }

    .section-head {
      max-width: 790px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      padding: 7px 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255, 253, 248, .82);
      color: var(--green);
      font-size: 13px;
      font-weight: 700;
    }

    .section-kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--green-bright);
      box-shadow: 0 0 0 5px rgba(53, 214, 175, .13);
    }

    h1,
    h2,
    h3,
    h4,
    p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 22px;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.08;
      font-weight: 800;
      letter-spacing: 0;
    }

    h2 {
      margin-bottom: 14px;
      font-size: clamp(28px, 3.2vw, 42px);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: 0;
    }

    h3 {
      font-size: 21px;
      line-height: 1.35;
      font-weight: 800;
      letter-spacing: 0;
    }

    p {
      color: var(--muted);
      font-size: 16px;
    }

    .lead {
      font-size: 18px;
      color: #46504b;
      max-width: 720px;
    }

    .button,
    .button.primary,
    .button.secondary,
    .button.hollow {
      min-height: 46px;
      border-radius: 999px;
      padding: 13px 22px;
      font-weight: 800;
      letter-spacing: 0;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
    }

    .button.primary {
      background: var(--ink-2);
      color: var(--white);
      border: 1px solid rgba(53, 214, 175, .28);
      box-shadow: 0 12px 28px rgba(34, 42, 39, .16);
    }

    .button.primary:hover,
    .button.primary:focus {
      background: #111614;
      color: var(--green-bright);
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(34, 42, 39, .20);
    }

    .button.secondary,
    .button.hollow {
      background: rgba(255, 253, 248, .72);
      color: var(--ink);
      border: 1px solid var(--line-strong);
    }

    .button.secondary:hover,
    .button.hollow:hover,
    .button.secondary:focus,
    .button.hollow:focus {
      background: var(--cyan-soft);
      color: var(--ink);
      border-color: rgba(15, 111, 92, .34);
      transform: translateY(-2px);
    }

    .button.expanded {
      width: 100%;
    }

    .site-header {
      padding: 24px 0 10px;
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(247, 245, 239, .88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(31, 39, 36, .06);
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: 28px;
      background: rgba(255, 253, 248, .92);
      box-shadow: var(--shadow-soft);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 238px;
      padding: 10px 14px;
      border-radius: 20px;
      background: #eff5ef;
      border: 1px solid rgba(15, 111, 92, .14);
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(53, 214, 175, .92), rgba(15, 111, 92, .94)),
        var(--green);
      color: #08231e;
      display: grid;
      place-items: center;
      font-weight: 900;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .34);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-text strong {
      font-size: 15px;
      font-weight: 900;
      color: var(--ink);
    }

    .brand-text span {
      font-size: 12px;
      color: var(--muted);
    }

    .nav-links {
      display: flex;
      align-items: stretch;
      gap: 10px;
      flex: 1;
      margin: 0;
      list-style: none;
    }

    .nav-card {
      display: flex;
      gap: 10px;
      align-items: center;
      min-width: 128px;
      padding: 10px 12px;
      border-radius: 18px;
      border: 1px solid transparent;
      background: rgba(247, 245, 239, .62);
    }

    .nav-card:hover,
    .nav-card:focus {
      background: var(--cyan-soft);
      border-color: rgba(15, 111, 92, .24);
      transform: translateY(-1px);
    }

    .nav-card.active {
      background: var(--ink-2);
      color: var(--white);
      border-color: rgba(53, 214, 175, .32);
    }

    .nav-icon {
      width: 31px;
      height: 31px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      background: rgba(15, 111, 92, .10);
      color: var(--green);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .nav-card.active .nav-icon {
      background: rgba(53, 214, 175, .18);
      color: var(--green-bright);
    }

    .nav-label {
      display: block;
      font-size: 14px;
      font-weight: 900;
      line-height: 1.15;
    }

    .nav-note {
      display: block;
      margin-top: 3px;
      font-size: 12px;
      color: var(--muted);
      line-height: 1.2;
    }

    .nav-card.active .nav-note {
      color: rgba(255, 255, 255, .72);
    }

    .nav-cta {
      white-space: nowrap;
      margin: 0;
    }

    .mobile-toggle {
      display: none;
      margin-left: auto;
      border: 0;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      background: var(--ink-2);
      color: var(--white);
      font-weight: 900;
    }

    .hero {
      padding: 64px 0 90px;
      overflow: hidden;
    }

    .hero-stage {
      position: relative;
      min-height: 630px;
      padding: 42px;
      border-radius: 34px;
      border: 1px solid var(--line);
      background:
        radial-gradient(circle at 20% 15%, rgba(53, 214, 175, .16), transparent 28%),
        linear-gradient(145deg, rgba(255, 253, 248, .98), rgba(238, 241, 234, .88));
      box-shadow: var(--shadow);
    }

    .hero-grid {
      align-items: center;
      min-height: 540px;
    }

    .hero-copy {
      position: relative;
      z-index: 2;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-top: 30px;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
      max-width: 700px;
    }

    .data-point {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255, 253, 248, .78);
      border: 1px solid var(--line);
    }

    .data-point strong {
      display: block;
      font-size: 24px;
      color: var(--ink);
      line-height: 1;
      margin-bottom: 7px;
    }

    .data-point span {
      color: var(--muted);
      font-size: 13px;
    }

    .product-stage {
      position: relative;
      min-height: 454px;
      border-radius: 30px;
      background:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
        #202724;
      background-size: 28px 28px;
      padding: 28px;
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 30px 70px rgba(31, 39, 36, .22);
      color: var(--white);
      overflow: hidden;
    }

    .product-stage::after {
      content: "";
      position: absolute;
      inset: auto 24px 24px auto;
      width: 120px;
      height: 120px;
      border: 1px solid rgba(53, 214, 175, .28);
      border-radius: 28px;
      transform: rotate(8deg);
    }

    .stage-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(53, 214, 175, .12);
      color: #c7fff1;
      font-size: 13px;
      font-weight: 800;
      border: 1px solid rgba(53, 214, 175, .26);
    }

    .status-pill::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green-bright);
      box-shadow: 0 0 0 5px rgba(53, 214, 175, .12);
    }

    .stage-title {
      font-size: 26px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .stage-text {
      color: rgba(255,255,255,.68);
      margin-bottom: 22px;
    }

    .entry-matrix {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .matrix-item {
      padding: 17px;
      border-radius: 18px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.12);
    }

    .matrix-item b {
      display: block;
      margin-bottom: 7px;
      color: #f7fffc;
    }

    .matrix-item span {
      display: block;
      color: rgba(255,255,255,.62);
      font-size: 13px;
      line-height: 1.5;
    }

    .notice-strip {
      position: relative;
      z-index: 1;
      margin-top: 18px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(198, 138, 43, .12);
      border: 1px solid rgba(198, 138, 43, .30);
      color: #ffe2a8;
      font-size: 14px;
    }

    .category-band {
      margin-top: -40px;
      position: relative;
      z-index: 5;
      padding-top: 0;
    }

    .category-panel {
      padding: 24px;
      border-radius: 28px;
      border: 1px solid var(--line);
      background: rgba(255, 253, 248, .96);
      box-shadow: var(--shadow-soft);
    }

    .category-card {
      height: 100%;
      padding: 24px;
      border-radius: 22px;
      background: #f2f5ef;
      border: 1px solid rgba(15, 111, 92, .14);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease);
    }

    .category-card:hover {
      transform: translateY(-4px);
      background: var(--cyan-soft);
      border-color: rgba(15, 111, 92, .28);
      box-shadow: var(--shadow-soft);
    }

    .category-card .badge,
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 10px;
      border-radius: 999px;
      background: rgba(15, 111, 92, .10);
      color: var(--green);
      font-size: 12px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .timeline-wrap {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      position: relative;
    }

    .timeline-wrap::before {
      content: "";
      position: absolute;
      top: 35px;
      left: 10px;
      right: 10px;
      height: 2px;
      background: linear-gradient(90deg, var(--green), rgba(15, 111, 92, .10));
    }

    .timeline-item {
      position: relative;
      z-index: 1;
      padding: 22px;
      border-radius: 22px;
      background: rgba(255, 253, 248, .90);
      border: 1px solid var(--line);
      box-shadow: 0 8px 24px rgba(34, 42, 39, .06);
    }

    .timeline-num {
      width: 48px;
      height: 48px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: var(--ink-2);
      color: var(--green-bright);
      font-weight: 900;
      margin-bottom: 18px;
      border: 1px solid rgba(53, 214, 175, .22);
    }

    .resource-layout {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 20px;
      align-items: stretch;
    }

    .feature-card,
    .panel-card,
    .compare-card,
    .quote-card,
    .news-panel,
    .faq-shell {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(255, 253, 248, .92);
      box-shadow: 0 10px 34px rgba(34, 42, 39, .07);
    }

    .feature-card {
      min-height: 360px;
      padding: 34px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        linear-gradient(135deg, rgba(255, 253, 248, .96), rgba(226, 247, 240, .76));
    }

    .feature-list {
      display: grid;
      gap: 12px;
    }

    .list-row {
      display: flex;
      gap: 13px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(247, 245, 239, .70);
      border: 1px solid var(--line);
    }

    .list-dot {
      width: 12px;
      height: 12px;
      margin-top: 7px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 0 5px rgba(15, 111, 92, .11);
      flex: 0 0 auto;
    }

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

    .highlight-large,
    .highlight-small {
      padding: 28px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: rgba(255, 253, 248, .90);
      box-shadow: 0 10px 30px rgba(34, 42, 39, .06);
    }

    .highlight-large {
      min-height: 300px;
      background:
        linear-gradient(135deg, rgba(34, 42, 39, .96), rgba(25, 32, 29, .96));
      color: var(--white);
      position: relative;
      overflow: hidden;
    }

    .highlight-large p {
      color: rgba(255, 255, 255, .72);
    }

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

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(15, 111, 92, .09);
      color: #31574d;
      font-size: 13px;
      font-weight: 800;
      border: 1px solid rgba(15, 111, 92, .12);
    }

    .dark-tag {
      background: rgba(53, 214, 175, .12);
      color: #d9fff5;
      border-color: rgba(53, 214, 175, .20);
    }

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

    .compare-card {
      padding: 28px;
      display: flex;
      flex-direction: column;
      min-height: 410px;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .compare-card:hover {
      transform: translateY(-4px);
      border-color: rgba(15, 111, 92, .30);
      box-shadow: var(--shadow);
    }

    .compare-card.featured {
      background: var(--ink-2);
      color: var(--white);
      border-color: rgba(53, 214, 175, .26);
    }

    .compare-card.featured p,
    .compare-card.featured li {
      color: rgba(255,255,255,.72);
    }

    .check-list {
      margin: 20px 0 26px;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      position: relative;
      padding-left: 24px;
      color: var(--muted);
      font-size: 15px;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--green);
      font-weight: 900;
    }

    .compare-card.featured .check-list li::before {
      color: var(--green-bright);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 20px;
    }

    .news-panel {
      padding: 28px;
    }

    .news-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 4px;
    }

    .news-list a {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 16px 0;
      border-bottom: 1px solid var(--line);
      color: var(--ink);
      font-weight: 800;
    }

    .news-list a:hover {
      color: var(--green);
      padding-left: 6px;
    }

    .news-list span {
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .rating-box {
      padding: 30px;
      border-radius: 24px;
      background: #eff5ef;
      border: 1px solid rgba(15, 111, 92, .14);
      height: 100%;
    }

    .rating-score {
      font-size: 54px;
      line-height: 1;
      font-weight: 900;
      color: var(--ink);
      margin-bottom: 12px;
    }

    .quote-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      margin-top: 24px;
    }

    .quote-card {
      padding: 24px;
    }

    .quote-card p {
      font-size: 15px;
    }

    .cta-panel {
      border-radius: 32px;
      background:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
        var(--ink-2);
      background-size: 32px 32px;
      color: var(--white);
      padding: 38px;
      border: 1px solid rgba(53, 214, 175, .20);
      box-shadow: 0 24px 70px rgba(34, 42, 39, .18);
    }

    .cta-panel p {
      color: rgba(255,255,255,.72);
    }

    .form-card {
      padding: 24px;
      border-radius: 24px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.12);
    }

    label {
      color: inherit;
      font-weight: 800;
      font-size: 14px;
    }

    input[type="text"],
    input[type="tel"],
    select {
      height: 50px;
      border-radius: 16px;
      border: 1px solid rgba(31, 39, 36, .16);
      background: rgba(255, 253, 248, .94);
      box-shadow: none;
      padding: 0 15px;
      margin-bottom: 15px;
    }

    input[type="text"]:focus,
    input[type="tel"]:focus,
    select:focus {
      border-color: var(--green-bright);
      box-shadow: 0 0 0 4px rgba(53, 214, 175, .16);
      background: var(--white);
    }

    .checkbox-line {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin: 12px 0;
      color: rgba(255,255,255,.78);
      font-size: 14px;
    }

    .checkbox-line input {
      margin-top: 5px;
    }

    .form-tip {
      min-height: 24px;
      margin-top: 12px;
      color: #d8fff4;
      font-size: 14px;
      font-weight: 800;
    }

    .accordion {
      background: transparent;
    }

    .faq-shell {
      padding: 14px;
    }

    .accordion-item {
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255, 253, 248, .86);
      overflow: hidden;
      margin-bottom: 10px;
    }

    .accordion-title {
      border: 0;
      color: var(--ink);
      font-size: 17px;
      font-weight: 900;
      padding: 20px 54px 20px 20px;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: var(--cyan-soft);
      color: var(--ink);
    }

    .accordion-title::before {
      color: var(--green);
      font-size: 22px;
      right: 20px;
      margin-top: -13px;
    }

    .accordion-content {
      border: 0;
      background: rgba(247, 245, 239, .68);
      color: var(--muted);
      padding: 0 20px 20px;
      line-height: 1.75;
    }

    .site-footer {
      padding: 58px 0 32px;
      background: #1d2320;
      color: var(--white);
    }

    .footer-panel {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 24px;
      padding: 28px;
      border-radius: 28px;
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
    }

    .footer-brand {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .footer-panel p {
      color: rgba(255,255,255,.66);
      max-width: 680px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      align-content: start;
    }

    .footer-links a {
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.05);
      color: rgba(255,255,255,.80);
    }

    .footer-links a:hover {
      background: rgba(53, 214, 175, .12);
      color: #d8fff4;
    }

    .copyright {
      margin-top: 24px;
      color: rgba(255,255,255,.48);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .nav-panel {
        flex-wrap: wrap;
      }

      .brand {
        flex: 1;
      }

      .mobile-toggle {
        display: grid;
        place-items: center;
      }

      .nav-links {
        display: none;
        width: 100%;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .nav-links.is-open {
        display: grid;
      }

      .nav-cta {
        display: none;
      }

      .nav-cta.is-open {
        display: inline-flex;
        width: 100%;
        justify-content: center;
      }

      .hero-stage {
        min-height: auto;
        padding: 30px;
      }

      .product-stage {
        margin-top: 28px;
      }

      .timeline-wrap,
      .compare-grid,
      .quote-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .timeline-wrap::before {
        display: none;
      }

      .resource-layout,
      .highlight-grid,
      .news-layout,
      .footer-panel {
        grid-template-columns: 1fr;
      }
    }

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

      .section {
        padding: 68px 0;
      }

      .section.compact {
        padding: 52px 0;
      }

      .site-header {
        padding-top: 14px;
      }

      .nav-panel {
        border-radius: 22px;
        padding: 10px;
      }

      .brand {
        min-width: 0;
      }

      .brand-text strong {
        font-size: 14px;
      }

      .hero {
        padding: 34px 0 70px;
      }

      .hero-stage {
        padding: 22px;
        border-radius: 26px;
      }

      h1 {
        font-size: 38px;
      }

      .lead {
        font-size: 16px;
      }

      .hero-actions .button {
        width: 100%;
        margin: 0;
      }

      .hero-points,
      .entry-matrix,
      .timeline-wrap,
      .compare-grid,
      .quote-grid,
      .mini-grid {
        grid-template-columns: 1fr;
      }

      .product-stage {
        min-height: auto;
        padding: 22px;
      }

      .stage-top {
        align-items: flex-start;
        gap: 12px;
        flex-direction: column;
      }

      .category-band {
        margin-top: -26px;
      }

      .category-panel,
      .cta-panel {
        padding: 20px;
        border-radius: 24px;
      }

      .news-list a {
        flex-direction: column;
        gap: 4px;
      }

      .button,
      .button.primary,
      .button.secondary,
      .button.hollow {
        width: 100%;
        margin-right: 0;
      }
    }

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

      h2 {
        font-size: 28px;
      }

      .nav-links.is-open {
        grid-template-columns: 1fr;
      }

      .nav-card {
        min-width: 0;
      }

      .section-head {
        margin-bottom: 24px;
      }

      .feature-card,
      .highlight-large,
      .highlight-small,
      .compare-card,
      .news-panel,
      .quote-card {
        padding: 22px;
      }
    }

/* roulang page: category1 */
:root {
      --color-ink: #17201d;
      --color-graphite: #25302c;
      --color-muted: #66736e;
      --color-soft: #f6f4ee;
      --color-paper: #fffdf8;
      --color-panel: #f0eee7;
      --color-line: rgba(37, 48, 44, 0.12);
      --color-line-strong: rgba(37, 48, 44, 0.2);
      --color-accent: #18b89a;
      --color-accent-soft: #dff7ef;
      --color-amber: #c78632;
      --shadow-soft: 0 18px 45px rgba(37, 48, 44, 0.08);
      --shadow-panel: 0 28px 80px rgba(23, 32, 29, 0.12);
      --radius-lg: 28px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --container: 1220px;
      --section: 96px;
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-cn);
      color: var(--color-ink);
      background:
        linear-gradient(rgba(37, 48, 44, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 48, 44, 0.035) 1px, transparent 1px),
        var(--color-soft);
      background-size: 28px 28px;
      line-height: 1.72;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    input,
    select {
      width: 100%;
      min-height: 48px;
      border: 1px solid var(--color-line);
      border-radius: 999px;
      background: rgba(255, 253, 248, 0.92);
      color: var(--color-ink);
      padding: 0 18px;
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    input:focus,
    select:focus {
      border-color: rgba(24, 184, 154, .68);
      box-shadow: 0 0 0 4px rgba(24, 184, 154, .14);
      background: #fff;
    }

    label {
      display: block;
      font-size: 14px;
      font-weight: 700;
      color: var(--color-graphite);
      margin-bottom: 8px;
    }

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

    .section {
      padding: var(--section) 0;
    }

    .section-tight {
      padding: 72px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 800;
      color: var(--color-graphite);
      background: rgba(24, 184, 154, .1);
      border: 1px solid rgba(24, 184, 154, .2);
      border-radius: 999px;
      padding: 8px 12px;
      margin-bottom: 18px;
    }

    .section-kicker::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(24, 184, 154, .12);
    }

    .section-title {
      max-width: 760px;
      font-size: clamp(30px, 4vw, 46px);
      line-height: 1.18;
      font-weight: 800;
      margin: 0 0 16px;
      letter-spacing: 0;
    }

    .section-desc {
      max-width: 760px;
      color: var(--color-muted);
      font-size: 17px;
      margin: 0;
    }

    .button,
    a.button,
    button.button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      border-radius: 999px;
      padding: 13px 22px;
      font-weight: 800;
      line-height: 1.1;
      border: 1px solid transparent;
      margin: 0;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .button.primary {
      background: var(--color-ink);
      color: #f7fff9;
      border-color: rgba(24, 184, 154, .28);
      box-shadow: 0 14px 28px rgba(23, 32, 29, .14);
    }

    .button.primary:hover,
    .button.primary:focus {
      background: #0f1714;
      color: #ffffff;
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(23, 32, 29, .2);
    }

    .button.secondary {
      background: rgba(255, 253, 248, .76);
      color: var(--color-ink);
      border-color: var(--color-line-strong);
    }

    .button.secondary:hover,
    .button.secondary:focus {
      background: var(--color-accent-soft);
      border-color: rgba(24, 184, 154, .45);
      transform: translateY(-2px);
    }

    .button:focus-visible,
    .nav-card:focus-visible,
    .brand:focus-visible,
    .footer-links a:focus-visible,
    .chip:focus-visible {
      outline: 3px solid rgba(24, 184, 154, .35);
      outline-offset: 3px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 18px 0 10px;
      background: linear-gradient(180deg, rgba(246, 244, 238, .96), rgba(246, 244, 238, .82) 75%, rgba(246, 244, 238, 0));
      backdrop-filter: blur(14px);
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 14px;
      min-height: 86px;
      padding: 12px;
      background: rgba(255, 253, 248, .84);
      border: 1px solid var(--color-line);
      border-radius: 28px;
      box-shadow: var(--shadow-soft);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 255px;
      padding: 8px 10px;
      border-radius: 20px;
    }

    .brand:hover {
      background: rgba(24, 184, 154, .08);
    }

    .brand-mark {
      display: inline-grid;
      place-items: center;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      background: var(--color-ink);
      color: #dff7ef;
      font-weight: 900;
      font-size: 22px;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1);
    }

    .brand-text {
      display: grid;
      gap: 2px;
    }

    .brand-text strong {
      font-size: 17px;
      line-height: 1.2;
      color: var(--color-ink);
      font-weight: 900;
    }

    .brand-text span {
      font-size: 12px;
      color: var(--color-muted);
      font-weight: 700;
    }

    .mobile-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border: 1px solid var(--color-line);
      border-radius: 16px;
      background: #fffdf8;
      color: var(--color-ink);
      font-size: 22px;
      line-height: 1;
    }

    .nav-links {
      display: flex;
      align-items: stretch;
      gap: 10px;
      list-style: none;
      margin: 0;
      padding: 0;
      flex: 1;
    }

    .nav-links li {
      margin: 0;
    }

    .nav-card {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 142px;
      height: 58px;
      padding: 8px 12px;
      border-radius: 18px;
      border: 1px solid var(--color-line);
      background: rgba(246, 244, 238, .72);
    }

    .nav-card:hover {
      background: #ffffff;
      border-color: rgba(24, 184, 154, .32);
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(37, 48, 44, .08);
    }

    .nav-card.active {
      background: var(--color-ink);
      color: #fff;
      border-color: rgba(24, 184, 154, .42);
      box-shadow: 0 12px 28px rgba(23, 32, 29, .16);
    }

    .nav-icon {
      display: inline-grid;
      place-items: center;
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background: rgba(24, 184, 154, .13);
      color: var(--color-ink);
      font-weight: 900;
    }

    .nav-card.active .nav-icon {
      background: rgba(24, 184, 154, .22);
      color: #dff7ef;
    }

    .nav-label,
    .nav-note {
      display: block;
      line-height: 1.25;
    }

    .nav-label {
      font-size: 14px;
      font-weight: 900;
    }

    .nav-note {
      font-size: 12px;
      color: var(--color-muted);
      font-weight: 700;
      margin-top: 2px;
    }

    .nav-card.active .nav-note {
      color: rgba(255, 255, 255, .68);
    }

    .nav-cta {
      white-space: nowrap;
      min-width: 148px;
    }

    .category-hero {
      position: relative;
      padding: 54px 0 84px;
      overflow: hidden;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 34px 0 auto 0;
      height: 360px;
      background:
        radial-gradient(circle at 16% 26%, rgba(24, 184, 154, .16), transparent 30%),
        linear-gradient(120deg, rgba(255, 253, 248, .94), rgba(240, 238, 231, .62));
      border-top: 1px solid rgba(37, 48, 44, .06);
      border-bottom: 1px solid rgba(37, 48, 44, .06);
      z-index: -1;
    }

    .hero-panel {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
      gap: 34px;
      align-items: center;
      min-height: 560px;
    }

    .breadcrumb-line {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 22px;
    }

    .breadcrumb-line a {
      color: var(--color-graphite);
      border-bottom: 1px solid transparent;
    }

    .breadcrumb-line a:hover {
      border-color: rgba(24, 184, 154, .5);
      color: var(--color-ink);
    }

    .hero-copy h1 {
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.08;
      letter-spacing: 0;
      font-weight: 900;
      margin: 0 0 22px;
      color: var(--color-ink);
    }

    .hero-copy p {
      max-width: 660px;
      font-size: 18px;
      color: var(--color-muted);
      margin: 0 0 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 30px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 620px;
    }

    .metric {
      padding: 16px;
      border: 1px solid var(--color-line);
      border-radius: 18px;
      background: rgba(255, 253, 248, .78);
    }

    .metric strong {
      display: block;
      font-size: 22px;
      line-height: 1;
      font-weight: 900;
      color: var(--color-ink);
      margin-bottom: 8px;
    }

    .metric span {
      display: block;
      font-size: 13px;
      color: var(--color-muted);
      font-weight: 700;
    }

    .visual-board {
      position: relative;
      min-height: 482px;
      border-radius: 32px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .14);
      background:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px),
        #202b27;
      background-size: 26px 26px;
      box-shadow: var(--shadow-panel);
      color: #f7fff9;
    }

    .visual-board::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(24, 184, 154, .14), transparent 42%, rgba(0, 0, 0, .18));
      pointer-events: none;
    }

    .visual-media {
      position: absolute;
      inset: 20px 20px auto 20px;
      height: 210px;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .12);
      background:
        linear-gradient(135deg, rgba(24, 184, 154, .3), rgba(199, 134, 50, .16)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='760' height='420' viewBox='0 0 760 420'%3E%3Crect width='760' height='420' fill='%2325302c'/%3E%3Cg opacity='.28' stroke='%23dff7ef' stroke-width='1'%3E%3Cpath d='M40 320 C170 190 230 290 350 170 S570 120 720 60' fill='none'/%3E%3Cpath d='M34 88 H728 M34 146 H728 M34 204 H728 M34 262 H728 M112 40 V380 M250 40 V380 M388 40 V380 M526 40 V380 M664 40 V380'/%3E%3C/g%3E%3Cg fill='%2318b89a'%3E%3Ccircle cx='190' cy='214' r='6'/%3E%3Ccircle cx='352' cy='170' r='6'/%3E%3Ccircle cx='526' cy='124' r='6'/%3E%3C/g%3E%3C/svg%3E") center/cover no-repeat;
    }

    .play-pill {
      position: absolute;
      left: 50%;
      top: 92px;
      transform: translateX(-50%);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-height: 54px;
      padding: 9px 16px 9px 10px;
      border-radius: 999px;
      background: rgba(255, 253, 248, .92);
      color: var(--color-ink);
      font-weight: 900;
      z-index: 2;
      box-shadow: 0 18px 40px rgba(0, 0, 0, .22);
    }

    .play-dot {
      display: inline-grid;
      place-items: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--color-accent);
      color: #06231d;
    }

    .board-content {
      position: relative;
      z-index: 2;
      padding: 254px 26px 26px;
    }

    .status-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
    }

    .status-badge,
    .tag,
    .badge-soft {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 800;
      line-height: 1;
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .status-badge {
      background: rgba(24, 184, 154, .14);
      color: #dff7ef;
    }

    .status-badge::before,
    .badge-soft::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-accent);
    }

    .board-title {
      font-size: 24px;
      line-height: 1.25;
      font-weight: 900;
      margin: 0 0 14px;
    }

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

    .board-list li {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 0;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: rgba(255, 255, 255, .8);
      font-size: 14px;
      font-weight: 700;
    }

    .board-list strong {
      color: #ffffff;
      white-space: nowrap;
    }

    .filter-wrap {
      display: grid;
      grid-template-columns: minmax(0, .72fr) minmax(320px, .28fr);
      gap: 24px;
      align-items: stretch;
    }

    .filter-panel,
    .notice-card,
    .content-card,
    .feature-card,
    .faq-panel,
    .signup-panel {
      border: 1px solid var(--color-line);
      background: rgba(255, 253, 248, .78);
      box-shadow: var(--shadow-soft);
    }

    .filter-panel {
      border-radius: 28px;
      padding: 28px;
    }

    .chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 16px;
      border-radius: 999px;
      border: 1px solid var(--color-line);
      background: #fffdf8;
      color: var(--color-graphite);
      font-size: 14px;
      font-weight: 800;
    }

    .chip:hover,
    .chip.active {
      transform: translateY(-2px);
      background: var(--color-accent-soft);
      border-color: rgba(24, 184, 154, .42);
      color: var(--color-ink);
      box-shadow: 0 12px 22px rgba(37, 48, 44, .08);
    }

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

    .notice-card {
      border-radius: 28px;
      padding: 26px;
      background: var(--color-ink);
      color: #fff;
      overflow: hidden;
      position: relative;
    }

    .notice-card::before {
      content: "";
      position: absolute;
      inset: -1px;
      background: linear-gradient(140deg, rgba(24, 184, 154, .2), transparent 38%, rgba(199, 134, 50, .12));
      pointer-events: none;
    }

    .notice-card > * {
      position: relative;
      z-index: 1;
    }

    .notice-card h2 {
      font-size: 24px;
      line-height: 1.24;
      font-weight: 900;
      margin: 0 0 12px;
      color: #fff;
    }

    .notice-card p {
      color: rgba(255, 255, 255, .72);
      margin: 0 0 20px;
    }

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

    .mini-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: rgba(255, 255, 255, .82);
      font-size: 14px;
      font-weight: 700;
    }

    .mini-list li::before {
      content: "";
      flex: 0 0 9px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      margin-top: 8px;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(24, 184, 154, .12);
    }

    .index-layout {
      display: grid;
      grid-template-columns: minmax(0, .98fr) minmax(0, 1.02fr);
      gap: 24px;
      margin-top: 34px;
    }

    .content-card {
      position: relative;
      border-radius: 24px;
      padding: 26px;
      overflow: hidden;
    }

    .content-card:hover {
      transform: translateY(-3px);
      border-color: rgba(24, 184, 154, .32);
      box-shadow: 0 24px 55px rgba(37, 48, 44, .12);
    }

    .content-card.featured {
      min-height: 456px;
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(24, 184, 154, .12), rgba(255, 253, 248, .86) 42%),
        #fffdf8;
    }

    .content-card.featured::after {
      content: "";
      position: absolute;
      right: -90px;
      bottom: -130px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      border: 42px solid rgba(24, 184, 154, .08);
    }

    .card-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 22px;
    }

    .card-number {
      display: inline-grid;
      place-items: center;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      background: var(--color-ink);
      color: #dff7ef;
      font-weight: 900;
    }

    .badge-soft {
      background: rgba(24, 184, 154, .1);
      border-color: rgba(24, 184, 154, .18);
      color: var(--color-graphite);
    }

    .content-card h2,
    .content-card h3 {
      position: relative;
      z-index: 1;
      margin: 0 0 12px;
      font-weight: 900;
      line-height: 1.22;
      color: var(--color-ink);
    }

    .content-card h2 {
      font-size: 34px;
    }

    .content-card h3 {
      font-size: 22px;
    }

    .content-card p {
      position: relative;
      z-index: 1;
      color: var(--color-muted);
      margin: 0 0 20px;
      font-size: 16px;
    }

    .tag-row {
      position: relative;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
    }

    .tag {
      background: rgba(37, 48, 44, .06);
      color: var(--color-graphite);
      border-color: rgba(37, 48, 44, .08);
    }

    .card-stack {
      display: grid;
      gap: 24px;
    }

    .process-bar {
      margin-top: 34px;
      border: 1px solid var(--color-line);
      border-radius: 28px;
      background: rgba(255, 253, 248, .76);
      padding: 12px;
      box-shadow: var(--shadow-soft);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
    }

    .process-step {
      position: relative;
      min-height: 158px;
      padding: 20px;
      border-radius: 22px;
      background: rgba(246, 244, 238, .72);
      border: 1px solid rgba(37, 48, 44, .08);
    }

    .process-step::before {
      content: attr(data-step);
      display: inline-grid;
      place-items: center;
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background: #fffdf8;
      border: 1px solid var(--color-line);
      font-weight: 900;
      color: var(--color-ink);
      margin-bottom: 16px;
    }

    .process-step h3 {
      margin: 0 0 8px;
      font-size: 17px;
      font-weight: 900;
      line-height: 1.25;
    }

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

    .feature-layout {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 24px;
      margin-top: 34px;
      align-items: stretch;
    }

    .feature-card {
      border-radius: 28px;
      padding: 30px;
    }

    .feature-card.dark {
      background: var(--color-ink);
      color: #fff;
    }

    .feature-card.dark h3 {
      color: #fff;
    }

    .feature-card.dark p,
    .feature-card.dark .feature-list li {
      color: rgba(255, 255, 255, .74);
    }

    .feature-card h3 {
      margin: 0 0 12px;
      font-size: 28px;
      font-weight: 900;
      line-height: 1.2;
    }

    .feature-card p {
      margin: 0 0 22px;
      color: var(--color-muted);
    }

    .feature-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .feature-list li {
      border: 1px solid rgba(37, 48, 44, .1);
      border-radius: 18px;
      padding: 14px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
      background: rgba(255, 253, 248, .54);
    }

    .feature-card.dark .feature-list li {
      border-color: rgba(255, 255, 255, .1);
      background: rgba(255, 255, 255, .06);
    }

    .side-cards {
      display: grid;
      gap: 24px;
    }

    .compare-strip {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 34px;
    }

    .compare-card {
      border: 1px solid var(--color-line);
      border-radius: 24px;
      padding: 26px;
      background: rgba(255, 253, 248, .78);
      box-shadow: var(--shadow-soft);
    }

    .compare-card.highlight {
      background: var(--color-ink);
      color: #fff;
      border-color: rgba(24, 184, 154, .28);
      transform: translateY(-8px);
    }

    .compare-card h3 {
      margin: 0 0 10px;
      font-size: 22px;
      font-weight: 900;
      color: inherit;
    }

    .compare-card p {
      margin: 0 0 20px;
      color: var(--color-muted);
    }

    .compare-card.highlight p {
      color: rgba(255, 255, 255, .72);
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 0 0 24px;
      display: grid;
      gap: 12px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: var(--color-graphite);
      font-weight: 700;
      font-size: 14px;
    }

    .compare-card.highlight .check-list li {
      color: rgba(255, 255, 255, .82);
    }

    .check-list li::before {
      content: "✓";
      display: inline-grid;
      place-items: center;
      flex: 0 0 20px;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(24, 184, 154, .16);
      color: var(--color-accent);
      font-size: 12px;
      font-weight: 900;
      margin-top: 2px;
    }

    .signup-panel {
      border-radius: 32px;
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(24, 184, 154, .14), transparent 38%),
        var(--color-ink);
      color: #fff;
      overflow: hidden;
    }

    .signup-panel .section-kicker {
      background: rgba(24, 184, 154, .14);
      border-color: rgba(24, 184, 154, .28);
      color: #dff7ef;
    }

    .signup-panel h2 {
      color: #fff;
      font-size: clamp(28px, 4vw, 44px);
      font-weight: 900;
      line-height: 1.18;
      margin: 0 0 14px;
    }

    .signup-panel p {
      color: rgba(255, 255, 255, .72);
      margin: 0;
    }

    .signup-grid {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(360px, 1fr);
      gap: 34px;
      align-items: start;
      margin-top: 28px;
    }

    .signup-note {
      display: grid;
      gap: 12px;
      margin-top: 24px;
    }

    .signup-note .callout {
      margin: 0;
      border-radius: 18px;
      border: 1px solid rgba(255, 255, 255, .1);
      background: rgba(255, 255, 255, .06);
      color: rgba(255, 255, 255, .78);
      font-weight: 700;
    }

    .signup-form {
      border-radius: 26px;
      background: rgba(255, 253, 248, .08);
      border: 1px solid rgba(255, 255, 255, .12);
      padding: 24px;
    }

    .signup-form label {
      color: rgba(255, 255, 255, .9);
    }

    .signup-form input,
    .signup-form select {
      background: rgba(255, 253, 248, .94);
    }

    .form-checks {
      display: grid;
      gap: 10px;
      margin: 14px 0 18px;
    }

    .check-row {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: rgba(255, 255, 255, .78);
      font-size: 13px;
      font-weight: 700;
      line-height: 1.55;
    }

    .check-row input {
      width: 18px;
      height: 18px;
      min-height: 18px;
      flex: 0 0 18px;
      margin-top: 3px;
      accent-color: var(--color-accent);
    }

    .form-message {
      display: none;
      margin-top: 14px;
      border-radius: 16px;
      padding: 12px 14px;
      background: rgba(24, 184, 154, .13);
      border: 1px solid rgba(24, 184, 154, .28);
      color: #dff7ef;
      font-weight: 800;
      font-size: 14px;
    }

    .faq-panel {
      border-radius: 30px;
      padding: 10px;
      margin-top: 34px;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      border: 1px solid var(--color-line);
      border-radius: 22px;
      background: rgba(255, 253, 248, .82);
      overflow: hidden;
      margin-bottom: 10px;
    }

    .accordion-item:last-child {
      margin-bottom: 0;
    }

    .accordion-title {
      display: flex;
      align-items: center;
      min-height: 64px;
      border: 0;
      color: var(--color-ink);
      font-size: 17px;
      font-weight: 900;
      padding: 20px 48px 20px 22px;
      line-height: 1.35;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(24, 184, 154, .08);
      color: var(--color-ink);
    }

    .accordion-title::before {
      right: 22px;
      font-size: 22px;
      color: var(--color-accent);
      margin-top: -12px;
    }

    .accordion-content {
      border: 0;
      border-top: 1px solid var(--color-line);
      background: rgba(246, 244, 238, .72);
      color: var(--color-muted);
      padding: 20px 22px 22px;
      font-size: 15px;
      line-height: 1.75;
    }

    .site-footer {
      padding: 36px 0 42px;
      background: var(--color-soft);
    }

    .footer-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: start;
      padding: 30px;
      border-radius: 30px;
      background: var(--color-ink);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .08);
      box-shadow: var(--shadow-panel);
    }

    .footer-brand {
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .footer-panel p {
      max-width: 680px;
      margin: 0 0 18px;
      color: rgba(255, 255, 255, .72);
    }

    .copyright {
      font-size: 13px;
      color: rgba(255, 255, 255, .56);
    }

    .footer-links {
      display: grid;
      grid-template-columns: repeat(2, minmax(110px, 1fr));
      gap: 10px;
    }

    .footer-links a {
      display: flex;
      align-items: center;
      min-height: 42px;
      padding: 10px 13px;
      border-radius: 14px;
      background: rgba(255, 255, 255, .06);
      color: rgba(255, 255, 255, .78);
      font-weight: 800;
      font-size: 14px;
    }

    .footer-links a:hover {
      background: rgba(24, 184, 154, .14);
      color: #fff;
      transform: translateY(-2px);
    }

    @media (max-width: 1024px) {
      :root {
        --section: 78px;
      }

      .nav-panel {
        flex-wrap: wrap;
      }

      .brand {
        flex: 1;
      }

      .mobile-toggle {
        display: inline-grid;
        place-items: center;
      }

      .nav-links {
        display: none;
        order: 3;
        width: 100%;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .nav-links.is-open {
        display: grid;
      }

      .nav-card {
        width: 100%;
        min-width: 0;
      }

      .nav-cta {
        order: 4;
        width: 100%;
      }

      .hero-panel,
      .filter-wrap,
      .index-layout,
      .feature-layout,
      .signup-grid {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        min-height: auto;
      }

      .visual-board {
        min-height: 430px;
      }

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

      .compare-card.highlight {
        transform: none;
      }
    }

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

      .site-header {
        padding-top: 12px;
      }

      .nav-panel {
        border-radius: 22px;
        padding: 10px;
      }

      .brand {
        min-width: 0;
      }

      .brand-text strong {
        font-size: 15px;
      }

      .brand-text span {
        font-size: 11px;
      }

      .category-hero {
        padding: 34px 0 64px;
      }

      .hero-copy h1 {
        font-size: clamp(32px, 10vw, 40px);
      }

      .hero-copy p {
        font-size: 16px;
      }

      .hero-actions .button,
      .compare-card .button,
      .signup-form .button {
        width: 100%;
      }

      .hero-metrics {
        grid-template-columns: 1fr;
      }

      .visual-media {
        height: 176px;
      }

      .play-pill {
        top: 78px;
      }

      .board-content {
        padding-top: 220px;
      }

      .filter-panel,
      .notice-card,
      .content-card,
      .feature-card,
      .signup-panel {
        padding: 22px;
        border-radius: 24px;
      }

      .content-card.featured {
        min-height: auto;
      }

      .content-card h2 {
        font-size: 28px;
      }

      .feature-list,
      .process-grid,
      .compare-strip,
      .footer-panel {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 520px) {
      :root {
        --section: 64px;
      }

      .nav-links.is-open {
        grid-template-columns: 1fr;
      }

      .mobile-toggle {
        width: 44px;
        height: 44px;
      }

      .section-title {
        font-size: 30px;
      }

      .chip-grid {
        gap: 10px;
      }

      .chip {
        width: 100%;
        justify-content: space-between;
      }

      .visual-board {
        min-height: 410px;
        border-radius: 24px;
      }

      .board-list li {
        display: grid;
        gap: 4px;
      }

      .card-top {
        display: grid;
      }

      .footer-panel {
        padding: 24px;
      }
    }