/* roulang page: index */
:root {
      --color-primary: #b91f4b;
      --color-primary-dark: #94183c;
      --color-secondary: #f59e42;
      --color-ink: #17151a;
      --color-muted: #6f6670;
      --color-soft: #fff3f6;
      --color-cream: #fff9f1;
      --color-teal: #18a999;
      --color-white: #ffffff;
      --color-border: rgba(185, 31, 75, .14);
      --color-line: rgba(23, 21, 26, .1);
      --shadow-soft: 0 10px 30px rgba(23, 21, 26, .07);
      --shadow-hover: 0 18px 42px rgba(185, 31, 75, .14);
      --radius-sm: 12px;
      --radius-md: 16px;
      --radius-lg: 22px;
      --container: 1210px;
      --section-y: 84px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--color-ink);
      background: linear-gradient(180deg, var(--color-cream) 0%, #ffffff 42%, var(--color-soft) 100%);
      line-height: 1.8;
      letter-spacing: 0;
      overflow-x: hidden;
    }

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

    a:hover,
    a:focus {
      color: var(--color-primary);
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    input,
    select {
      min-height: 44px;
      border-radius: 999px;
      border: 1px solid var(--color-line);
      box-shadow: none;
      background-color: #fff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    input:focus,
    select:focus,
    button:focus,
    a:focus {
      outline: 3px solid rgba(245, 158, 66, .32);
      outline-offset: 2px;
      border-color: var(--color-primary);
    }

    .site-wrap {
      min-height: 100vh;
    }

    .grid-container {
      max-width: var(--container);
      padding-left: 32px;
      padding-right: 32px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .94);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--color-line);
      box-shadow: 0 2px 16px rgba(23, 21, 26, .04);
    }

    .top-bar,
    .top-bar ul {
      background: transparent;
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      font-weight: 800;
      color: var(--color-ink);
      line-height: 1.25;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      position: relative;
      box-shadow: 0 10px 22px rgba(185, 31, 75, .2);
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      inset: 10px 9px;
      border: 2px solid rgba(255, 255, 255, .78);
      border-radius: 7px;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      top: 16px;
      left: 17px;
      width: 0;
      height: 0;
      border-left: 8px solid #fff;
      border-top: 5px solid transparent;
      border-bottom: 5px solid transparent;
    }

    .brand-text {
      font-size: 17px;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      margin: 0;
      list-style: none;
      flex: 1;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 650;
      color: #393239;
    }

    .nav-links a::after {
      content: "";
      width: 6px;
      height: 6px;
      margin-left: 8px;
      border-radius: 50%;
      background: transparent;
      transition: background-color .2s ease, transform .2s ease;
    }

    .nav-links a:hover {
      background: var(--color-soft);
      color: var(--color-primary);
    }

    .nav-links a.active {
      color: var(--color-primary);
      background: rgba(185, 31, 75, .08);
    }

    .nav-links a.active::after {
      background: var(--color-secondary);
      transform: scale(1.15);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 340px;
      justify-content: flex-end;
    }

    .nav-search {
      position: relative;
      width: 190px;
    }

    .nav-search input {
      width: 100%;
      height: 42px;
      padding: 0 15px 0 38px;
      font-size: 14px;
      background: #fff;
      margin: 0;
    }

    .nav-search::before {
      content: "⌕";
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--color-muted);
      font-size: 17px;
      z-index: 1;
    }

    .button {
      margin: 0;
      border-radius: 999px;
      font-weight: 700;
      line-height: 1.2;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
    }

    .btn-primary {
      background: var(--color-primary);
      color: #fff;
      border: 1px solid var(--color-primary);
      box-shadow: 0 10px 22px rgba(185, 31, 75, .18);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      background: var(--color-primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .btn-secondary {
      background: #fff;
      color: var(--color-primary);
      border: 1px solid var(--color-border);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--color-primary-dark);
      background: var(--color-soft);
      border-color: var(--color-primary);
      transform: translateY(-2px);
    }

    .btn-warm {
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      color: #fff;
      border: 0;
      box-shadow: 0 12px 26px rgba(245, 158, 66, .25);
    }

    .btn-warm:hover,
    .btn-warm:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(185, 31, 75, .2);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--color-border);
      background: #fff;
      color: var(--color-primary);
      font-size: 23px;
      line-height: 1;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

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

    .section.alt {
      background: rgba(255, 243, 246, .62);
      border-top: 1px solid rgba(185, 31, 75, .08);
      border-bottom: 1px solid rgba(185, 31, 75, .08);
    }

    .section.compact {
      padding: 58px 0;
    }

    .section-title {
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 800;
    }

    .section-kicker::before {
      content: "";
      width: 26px;
      height: 4px;
      border-radius: 99px;
      background: var(--color-secondary);
    }

    h1,
    h2,
    h3,
    h4 {
      color: var(--color-ink);
      font-weight: 850;
      line-height: 1.22;
      margin-top: 0;
      letter-spacing: 0;
    }

    h1 {
      font-size: 48px;
      max-width: 920px;
      margin-bottom: 18px;
    }

    h2 {
      font-size: 34px;
      margin-bottom: 14px;
    }

    h3 {
      font-size: 21px;
      margin-bottom: 10px;
    }

    p {
      margin-top: 0;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.86;
    }

    .lead {
      font-size: 17px;
      max-width: 820px;
      color: #4b424b;
    }

    .hero {
      padding: 46px 0 34px;
      background:
        linear-gradient(135deg, rgba(255, 249, 241, .96), rgba(255, 243, 246, .9)),
        repeating-linear-gradient(90deg, rgba(185, 31, 75, .05) 0 1px, transparent 1px 76px);
      border-bottom: 1px solid rgba(185, 31, 75, .1);
    }

    .hero-board {
      display: grid;
      grid-template-columns: 1.25fr .85fr;
      gap: 24px;
      align-items: stretch;
    }

    .hero-main {
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      padding: 38px;
      min-height: 430px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .hero-main::after {
      content: "";
      position: absolute;
      right: 0;
      top: 0;
      width: 32%;
      height: 100%;
      background: linear-gradient(135deg, rgba(185, 31, 75, .08), rgba(245, 158, 66, .1));
      clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
      pointer-events: none;
    }

    .hero-copy {
      position: relative;
      z-index: 1;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .hero-points {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 28px;
    }

    .point {
      padding: 14px 15px;
      border-radius: 14px;
      background: var(--color-cream);
      border: 1px solid rgba(245, 158, 66, .22);
    }

    .point strong {
      display: block;
      color: var(--color-primary);
      font-size: 22px;
      line-height: 1.2;
      margin-bottom: 5px;
    }

    .point span {
      display: block;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.5;
    }

    .plan-stack {
      display: grid;
      gap: 14px;
    }

    .plan-card {
      position: relative;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .plan-card.recommended {
      background: var(--color-primary);
      color: #fff;
      transform: scale(1.02);
      box-shadow: 0 18px 45px rgba(185, 31, 75, .22);
    }

    .plan-card.recommended h3,
    .plan-card.recommended p,
    .plan-card.recommended .price-note {
      color: #fff;
    }

    .plan-card h3 {
      margin-bottom: 8px;
    }

    .plan-card p {
      font-size: 15px;
      margin-bottom: 15px;
    }

    .price-line {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin-bottom: 12px;
    }

    .price-line strong {
      font-size: 32px;
      line-height: 1;
    }

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

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 4px 11px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 750;
      color: var(--color-primary);
      background: var(--color-soft);
      border: 1px solid rgba(185, 31, 75, .1);
      line-height: 1.3;
    }

    .badge.warm {
      color: #8a4a09;
      background: #fff0d9;
      border-color: rgba(245, 158, 66, .24);
    }

    .badge.teal {
      color: #0a7467;
      background: rgba(24, 169, 153, .1);
      border-color: rgba(24, 169, 153, .18);
    }

    .next-peek {
      margin-top: 22px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 650;
    }

    .next-peek::before {
      content: "";
      width: 40px;
      height: 3px;
      border-radius: 99px;
      background: var(--color-primary);
    }

    .problem-list {
      display: grid;
      gap: 15px;
    }

    .problem-item {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      padding: 17px;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      box-shadow: 0 8px 22px rgba(23, 21, 26, .04);
    }

    .icon-dot {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: var(--color-soft);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      font-weight: 900;
    }

    .filter-demo {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
    }

    .filter-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-bottom: 18px;
    }

    .update-line {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px solid var(--color-line);
    }

    .update-line:last-child {
      border-bottom: 0;
    }

    .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--color-teal);
      box-shadow: 0 0 0 4px rgba(24, 169, 153, .11);
    }

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

    .step-card {
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .step-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
      opacity: .75;
    }

    .step-card:hover {
      transform: translateY(-4px);
      border-color: rgba(185, 31, 75, .36);
      box-shadow: var(--shadow-hover);
    }

    .step-num {
      display: inline-flex;
      width: 34px;
      height: 34px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: #fff;
      background: var(--color-primary);
      font-weight: 850;
      margin-bottom: 14px;
    }

    .commission-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 24px;
      align-items: start;
    }

    .compare-card,
    .material-panel,
    .news-panel,
    .join-panel,
    .quote-card,
    .faq-wrap {
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
    }

    .compare-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      overflow: hidden;
      border-radius: var(--radius-md);
      background: #fff;
    }

    .compare-table th,
    .compare-table td {
      padding: 17px 18px;
      border-bottom: 1px solid var(--color-line);
      text-align: left;
      vertical-align: top;
      font-size: 15px;
      line-height: 1.65;
    }

    .compare-table th {
      color: var(--color-ink);
      background: var(--color-cream);
      font-weight: 800;
    }

    .compare-table tr:last-child td {
      border-bottom: 0;
    }

    .highlight-cell {
      color: var(--color-primary);
      font-weight: 750;
      background: rgba(255, 243, 246, .58);
    }

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

    .material-panel {
      padding: 24px;
    }

    .asset-list {
      display: grid;
      gap: 14px;
      margin: 0;
      list-style: none;
    }

    .asset-list li {
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 13px;
      padding: 14px;
      border-radius: 14px;
      background: var(--color-cream);
      border: 1px solid rgba(245, 158, 66, .18);
    }

    .asset-cover {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(185, 31, 75, .22), rgba(245, 158, 66, .28)),
        repeating-linear-gradient(45deg, transparent 0 8px, rgba(255,255,255,.45) 8px 12px);
    }

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

    .topic-card {
      min-height: 178px;
      padding: 21px;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .topic-card:hover {
      transform: translateY(-4px);
      border-color: rgba(245, 158, 66, .42);
      box-shadow: var(--shadow-hover);
    }

    .topic-card p {
      font-size: 15px;
      margin-bottom: 14px;
    }

    .metrics-band {
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, #fff, var(--color-cream));
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      padding: 28px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .metric {
      padding: 18px;
      border-radius: 16px;
      background: #fff;
      border: 1px solid rgba(185, 31, 75, .1);
    }

    .metric strong {
      display: block;
      color: var(--color-primary);
      font-size: 28px;
      line-height: 1.1;
      margin-bottom: 7px;
    }

    .metric span {
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.4fr .8fr;
      gap: 22px;
      align-items: start;
    }

    .news-panel {
      padding: 24px;
    }

    .news-list {
      margin: 0;
      list-style: none;
    }

    .news-list li {
      padding: 17px 0;
      border-bottom: 1px solid var(--color-line);
    }

    .news-list li:first-child {
      padding-top: 0;
    }

    .news-list li:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .news-list a {
      display: block;
      font-weight: 800;
      color: var(--color-ink);
      line-height: 1.45;
      margin-bottom: 6px;
    }

    .news-list a:hover {
      color: var(--color-primary);
    }

    .news-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--color-muted);
      font-size: 14px;
    }

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

    .recommend-item {
      padding: 14px;
      border-radius: 14px;
      background: var(--color-soft);
      border: 1px solid rgba(185, 31, 75, .11);
    }

    .recommend-item strong {
      display: block;
      margin-bottom: 5px;
      color: var(--color-ink);
    }

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

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

    .quote-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: var(--color-primary);
    }

    .quote-card:nth-child(2)::before {
      background: var(--color-secondary);
    }

    .quote-card:nth-child(3)::before {
      background: var(--color-teal);
    }

    .avatar-line {
      display: flex;
      align-items: center;
      gap: 11px;
      margin-bottom: 14px;
    }

    .avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 850;
    }

    .join-panel {
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(185, 31, 75, .96), rgba(148, 24, 60, .96)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 70px);
      color: #fff;
      overflow: hidden;
    }

    .join-panel h2,
    .join-panel p {
      color: #fff;
    }

    .join-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .join-tags .badge {
      background: rgba(255,255,255,.14);
      color: #fff;
      border-color: rgba(255,255,255,.22);
    }

    .accordion {
      background: transparent;
      border: 0;
    }

    .accordion-item {
      margin-bottom: 12px;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: 0 8px 20px rgba(23, 21, 26, .04);
    }

    .accordion-title {
      border: 0;
      color: var(--color-ink);
      font-size: 17px;
      font-weight: 800;
      padding: 18px 52px 18px 20px;
      line-height: 1.5;
    }

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

    .accordion-content {
      border: 0;
      border-left: 4px solid var(--color-primary);
      padding: 0 20px 20px 20px;
      color: var(--color-muted);
      font-size: 15.5px;
      line-height: 1.8;
    }

    .site-footer {
      background: var(--color-ink);
      color: rgba(255,255,255,.74);
      padding: 54px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      margin-bottom: 30px;
    }

    .footer-brand {
      color: #fff;
      font-size: 19px;
      font-weight: 850;
      margin-bottom: 12px;
    }

    .footer-text {
      color: rgba(255,255,255,.68);
      max-width: 440px;
      font-size: 15px;
    }

    .footer-title {
      color: #fff;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-links {
      list-style: none;
      margin: 0;
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(255,255,255,.7);
      font-size: 15px;
    }

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

    .copyright {
      border-top: 1px solid rgba(255,255,255,.12);
      padding-top: 18px;
      color: rgba(255,255,255,.55);
      font-size: 14px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
    }

    @media screen and (max-width: 1024px) {
      .grid-container {
        padding-left: 24px;
        padding-right: 24px;
      }

      .nav-shell {
        flex-wrap: wrap;
        gap: 14px;
        padding: 12px 0;
      }

      .nav-actions {
        min-width: 100%;
        justify-content: flex-start;
      }

      .nav-search {
        width: 260px;
      }

      .hero-board,
      .commission-grid,
      .material-grid,
      .news-layout {
        grid-template-columns: 1fr;
      }

      .steps,
      .topic-grid,
      .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .testimonial-strip {
        grid-template-columns: 1fr;
      }

      h1 {
        font-size: 40px;
      }

      h2 {
        font-size: 30px;
      }
    }

    @media screen and (max-width: 760px) {
      :root {
        --section-y: 58px;
      }

      .grid-container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .site-header .grid-container {
        padding-left: 14px;
        padding-right: 14px;
      }

      .nav-shell {
        min-height: 66px;
      }

      .brand-text {
        font-size: 15px;
        white-space: normal;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
      }

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

      .nav-links,
      .nav-actions {
        display: none;
        width: 100%;
      }

      .nav-links.is-open,
      .nav-actions.is-open {
        display: grid;
        grid-template-columns: 1fr;
        gap: 9px;
      }

      .nav-links a {
        width: 100%;
        justify-content: space-between;
        padding: 12px 14px;
        background: #fff;
        border: 1px solid var(--color-line);
      }

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

      .nav-search {
        width: 100%;
      }

      .nav-actions .button {
        width: 100%;
      }

      .hero {
        padding-top: 24px;
      }

      .hero-main {
        padding: 25px 20px;
        min-height: auto;
      }

      .hero-main::after {
        opacity: .45;
        width: 44%;
      }

      h1 {
        font-size: 32px;
      }

      h2 {
        font-size: 26px;
      }

      .lead {
        font-size: 16px;
      }

      .hero-actions,
      .join-panel .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
      }

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

      .hero-points,
      .steps,
      .topic-grid,
      .metric-grid {
        grid-template-columns: 1fr;
      }

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

      .compare-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
      }

      .problem-item,
      .asset-list li {
        grid-template-columns: 38px 1fr;
      }

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

      .copyright {
        display: block;
      }
    }

    @media screen and (max-width: 520px) {
      .section-title {
        margin-bottom: 24px;
      }

      .plan-card,
      .filter-demo,
      .material-panel,
      .news-panel,
      .join-panel,
      .metrics-band,
      .quote-card {
        padding: 20px;
      }

      .point strong,
      .metric strong {
        font-size: 24px;
      }

      .update-line {
        grid-template-columns: auto 1fr;
      }

      .update-line .badge {
        grid-column: 2;
        justify-self: start;
      }
    }

/* roulang page: category2 */
:root{
      --color-primary:#B91F4B;
      --color-primary-dark:#94183D;
      --color-warm:#F59E42;
      --color-ink:#17151A;
      --color-muted:#6E6570;
      --color-soft:#FFF3F6;
      --color-cream:#FFF9F1;
      --color-green:#18A999;
      --color-line:rgba(185,31,75,.14);
      --color-line-strong:rgba(185,31,75,.26);
      --color-white:#FFFFFF;
      --radius-sm:12px;
      --radius-md:16px;
      --radius-lg:22px;
      --shadow-card:0 10px 30px rgba(23,21,26,.06);
      --shadow-hover:0 16px 38px rgba(23,21,26,.10);
      --container:1220px;
      --section:84px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--color-ink);
      background:linear-gradient(180deg,var(--color-cream) 0%,#fff 38%,var(--color-soft) 100%);
      line-height:1.82;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--color-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,select{font:inherit}
    button,a,input,select{outline:none}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{
      box-shadow:0 0 0 4px rgba(185,31,75,.16);
      border-color:var(--color-primary) !important;
    }
    .grid-container{max-width:var(--container);padding-left:32px;padding-right:32px}
    .section{padding:var(--section) 0}
    .section-tight{padding:62px 0}
    .section-head{max-width:760px;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--color-primary);
      font-size:14px;
      font-weight:700;
      background:rgba(185,31,75,.08);
      border:1px solid var(--color-line);
      border-radius:999px;
      padding:7px 13px;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-warm);
      box-shadow:0 0 0 4px rgba(245,158,66,.16);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:48px;
      line-height:1.18;
      margin-bottom:18px;
      font-weight:800;
      color:var(--color-ink);
    }
    h2{
      font-size:34px;
      line-height:1.3;
      margin-bottom:14px;
      font-weight:800;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      margin-bottom:10px;
      font-weight:750;
    }
    p{font-size:16.5px;color:var(--color-muted);line-height:1.86}
    .lead{font-size:18px;color:#4F4651;max-width:780px}
    .button{
      border-radius:999px;
      font-weight:700;
      padding:13px 22px;
      line-height:1.1;
      border:1px solid transparent;
      transition:var(--ease);
      margin:0;
      white-space:normal;
    }
    .btn-primary{
      background:var(--color-primary);
      color:#fff;
      box-shadow:0 12px 24px rgba(185,31,75,.22);
    }
    .btn-primary:hover,.btn-primary:focus{
      background:var(--color-primary-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(185,31,75,.28);
    }
    .btn-secondary{
      background:#fff;
      color:var(--color-primary);
      border-color:var(--color-line-strong);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:var(--color-soft);
      color:var(--color-primary-dark);
      transform:translateY(-2px);
    }
    .btn-warm{
      background:linear-gradient(135deg,var(--color-primary),var(--color-warm));
      color:#fff;
      box-shadow:0 12px 26px rgba(245,158,66,.24);
    }
    .btn-warm:hover,.btn-warm:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(185,31,75,.25);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 11px;
      font-size:13px;
      font-weight:700;
      line-height:1.2;
      color:var(--color-primary-dark);
      background:var(--color-soft);
      border:1px solid rgba(185,31,75,.10);
    }
    .tag.warm{background:#FFF1DE;color:#8A4B0F;border-color:rgba(245,158,66,.22)}
    .tag.green{background:#EAFBF7;color:#087B70;border-color:rgba(24,169,153,.20)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      border-bottom:1px solid rgba(185,31,75,.10);
      backdrop-filter:saturate(160%) blur(14px);
      box-shadow:0 6px 22px rgba(23,21,26,.04);
    }
    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:22px;
      position:relative;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      min-width:max-content;
      color:var(--color-ink);
      font-weight:850;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      background:
        linear-gradient(135deg,rgba(185,31,75,.95),rgba(245,158,66,.95));
      position:relative;
      box-shadow:0 10px 22px rgba(185,31,75,.20);
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      left:10px;
      top:10px;
      width:18px;
      height:14px;
      border:2px solid #fff;
      border-radius:5px;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      right:8px;
      bottom:8px;
      width:8px;
      height:8px;
      border-radius:50%;
      background:#fff;
    }
    .brand-text{font-size:18px;line-height:1.25}
    .menu-toggle{
      display:none;
      margin-left:auto;
      width:42px;
      height:42px;
      border-radius:12px;
      border:1px solid var(--color-line);
      background:#fff;
      color:var(--color-primary);
      font-size:22px;
      cursor:pointer;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      list-style:none;
      padding:0;
      margin:0 auto 0 12px;
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:9px 12px;
      border-radius:999px;
      font-size:15px;
      font-weight:700;
      color:#423940;
    }
    .nav-links a::after{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:transparent;
      margin-left:8px;
      transition:var(--ease);
    }
    .nav-links a:hover{
      background:var(--color-soft);
      color:var(--color-primary);
    }
    .nav-links a.active{
      color:var(--color-primary);
      background:rgba(185,31,75,.09);
    }
    .nav-links a.active::after{background:var(--color-warm)}
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
    }
    .nav-search input{
      width:220px;
      height:42px;
      border-radius:999px;
      border:1px solid rgba(185,31,75,.14);
      background:#fff;
      padding:0 15px;
      font-size:14px;
      color:var(--color-ink);
      box-shadow:none;
      margin:0;
    }
    .nav-search input:focus{
      border-color:var(--color-primary);
      box-shadow:0 0 0 4px rgba(185,31,75,.12);
      background:#fff;
    }

    .topic-hero{
      padding:58px 0 42px;
      background:
        linear-gradient(110deg,rgba(255,249,241,.96),rgba(255,243,246,.98)),
        repeating-linear-gradient(90deg,rgba(185,31,75,.05) 0 1px,transparent 1px 86px);
      border-bottom:1px solid var(--color-line);
      overflow:hidden;
      position:relative;
    }
    .topic-hero::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:7px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-warm),var(--color-green));
    }
    .channel-strip{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:22px;
    }
    .channel-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--color-line);
      color:#554B55;
      font-size:14px;
      font-weight:700;
      box-shadow:0 8px 18px rgba(23,21,26,.04);
    }
    .channel-chip.active{
      background:var(--color-primary);
      color:#fff;
      border-color:var(--color-primary);
    }
    .hero-copy{
      max-width:760px;
      position:relative;
      z-index:1;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:26px;
    }
    .promo-panel{
      background:#fff;
      border:1px solid var(--color-line);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-card);
      position:relative;
      overflow:hidden;
    }
    .promo-burst{
      position:absolute;
      right:18px;
      top:16px;
      transform:rotate(7deg);
      background:var(--color-warm);
      color:#fff;
      font-weight:850;
      border-radius:16px;
      padding:9px 13px;
      box-shadow:0 10px 20px rgba(245,158,66,.22);
      font-size:14px;
    }
    .promo-title{
      padding-right:112px;
      margin-bottom:18px;
    }
    .update-meter{
      height:10px;
      border-radius:999px;
      background:#F4E5E9;
      overflow:hidden;
      margin:16px 0 20px;
    }
    .update-meter span{
      display:block;
      height:100%;
      width:72%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-warm));
    }
    .mini-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      padding:12px 13px;
      border-radius:14px;
      background:linear-gradient(90deg,#fff,var(--color-cream));
      border:1px solid rgba(185,31,75,.10);
      color:#4A424A;
      font-size:14px;
      font-weight:650;
    }
    .anchor-bar{
      background:#fff;
      border-bottom:1px solid var(--color-line);
      position:sticky;
      top:76px;
      z-index:35;
    }
    .anchor-inner{
      display:flex;
      gap:10px;
      padding:14px 0;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .anchor-inner::-webkit-scrollbar{display:none}
    .anchor-btn{
      flex:0 0 auto;
      border:1px solid var(--color-line);
      border-radius:999px;
      padding:9px 15px;
      background:#fff;
      color:#544A54;
      font-size:14px;
      font-weight:750;
    }
    .anchor-btn:hover{
      background:var(--color-soft);
      border-color:var(--color-line-strong);
      color:var(--color-primary);
    }

    .timeline-wrap{
      position:relative;
      display:grid;
      gap:24px;
    }
    .timeline-group{
      display:grid;
      grid-template-columns:220px 1fr;
      gap:28px;
      align-items:start;
      background:#fff;
      border:1px solid var(--color-line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      padding:24px;
      position:relative;
    }
    .timeline-group::before{
      content:"";
      position:absolute;
      left:222px;
      top:24px;
      bottom:24px;
      width:2px;
      background:linear-gradient(var(--color-primary),rgba(245,158,66,.55));
      border-radius:999px;
    }
    .group-kicker{
      color:var(--color-primary);
      font-weight:850;
      font-size:14px;
      margin-bottom:8px;
    }
    .group-side p{font-size:15px;margin-bottom:0}
    .timeline-items{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:54px 1fr auto;
      gap:16px;
      align-items:center;
      padding:16px;
      border:1px solid rgba(185,31,75,.10);
      border-radius:var(--radius-md);
      background:linear-gradient(90deg,#fff 0%,#fff 66%,var(--color-cream) 100%);
      transition:var(--ease);
    }
    .timeline-item:hover{
      transform:translateY(-2px);
      border-color:var(--color-line-strong);
      box-shadow:var(--shadow-hover);
    }
    .item-no{
      width:46px;
      height:46px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:var(--color-soft);
      color:var(--color-primary);
      font-weight:850;
    }
    .item-title{
      display:block;
      color:var(--color-ink);
      font-weight:800;
      line-height:1.35;
      margin-bottom:5px;
    }
    .item-desc{
      color:var(--color-muted);
      font-size:15px;
      line-height:1.65;
      margin:0;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .item-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:10px;
    }
    .item-action{
      min-width:106px;
      text-align:center;
      padding:10px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--color-line-strong);
      color:var(--color-primary);
      font-size:14px;
      font-weight:800;
    }
    .item-action:hover{
      background:var(--color-primary);
      color:#fff;
    }

    .feature-band{
      background:linear-gradient(135deg,var(--color-primary),#7E1736);
      color:#fff;
      border-radius:24px;
      padding:34px;
      overflow:hidden;
      position:relative;
      box-shadow:0 18px 46px rgba(185,31,75,.22);
    }
    .feature-band::before{
      content:"";
      position:absolute;
      inset:0;
      background:repeating-linear-gradient(135deg,rgba(255,255,255,.08) 0 1px,transparent 1px 34px);
      opacity:.5;
    }
    .feature-band > .grid-x{position:relative;z-index:1}
    .feature-band h2,.feature-band p{color:#fff}
    .feature-band p{opacity:.86}
    .recommend-stack{
      display:grid;
      gap:14px;
    }
    .recommend{
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.22);
      border-radius:18px;
      padding:16px;
      color:#fff;
    }
    .recommend strong{
      display:block;
      font-size:17px;
      margin-bottom:7px;
    }
    .recommend span{
      display:block;
      color:rgba(255,255,255,.82);
      font-size:14px;
      line-height:1.65;
    }

    .guide-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .guide-card{
      background:#fff;
      border:1px solid var(--color-line);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-card);
      transition:var(--ease);
    }
    .guide-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-hover);
      border-color:var(--color-line-strong);
    }
    .guide-card .bar{
      display:block;
      width:46px;
      height:5px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-warm));
      margin-bottom:15px;
    }
    .guide-list{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:9px;
    }
    .guide-list li{
      position:relative;
      padding-left:18px;
      color:#554B55;
      font-size:15px;
      line-height:1.65;
    }
    .guide-list li::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-green);
      position:absolute;
      left:0;
      top:.72em;
    }

    .faq-section{
      background:linear-gradient(180deg,#fff,var(--color-soft));
      border-top:1px solid var(--color-line);
      border-bottom:1px solid var(--color-line);
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--color-line);
      border-radius:16px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 8px 22px rgba(23,21,26,.04);
    }
    .accordion-title{
      border:0;
      color:var(--color-ink);
      font-size:17px;
      font-weight:800;
      padding:18px 54px 18px 20px;
      line-height:1.5;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:var(--color-cream);
      color:var(--color-primary);
    }
    .is-active > .accordion-title{
      background:#fff;
      color:var(--color-primary);
      border-left:5px solid var(--color-primary);
      padding-left:15px;
    }
    .accordion-content{
      border:0;
      color:var(--color-muted);
      padding:0 22px 20px 22px;
      font-size:15.5px;
      line-height:1.8;
    }

    .cta-panel{
      background:#fff;
      border:1px solid var(--color-line);
      border-radius:24px;
      padding:36px;
      box-shadow:var(--shadow-card);
      position:relative;
      overflow:hidden;
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      bottom:0;
      width:8px;
      background:linear-gradient(var(--color-primary),var(--color-warm));
    }
    .cta-actions{
      display:flex;
      justify-content:flex-end;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .cta-tags{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:16px;
    }

    .site-footer{
      background:var(--color-ink);
      color:rgba(255,255,255,.78);
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:34px;
      margin-bottom:34px;
    }
    .footer-brand{
      color:#fff;
      font-size:20px;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-text{
      color:rgba(255,255,255,.66);
      max-width:520px;
      font-size:15.5px;
      margin-bottom:0;
    }
    .footer-title{
      color:#fff;
      font-weight:800;
      margin-bottom:13px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-size:15px;
    }
    .footer-links a:hover{
      color:var(--color-warm);
    }
    .copyright{
      border-top:1px solid rgba(255,255,255,.10);
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.55);
      font-size:13.5px;
    }

    @media (max-width:1024px){
      .grid-container{padding-left:24px;padding-right:24px}
      h1{font-size:40px}
      h2{font-size:30px}
      .nav-shell{flex-wrap:wrap;padding:14px 0}
      .menu-toggle{display:grid;place-items:center}
      .nav-links,.nav-actions{
        display:none;
        width:100%;
        margin:0;
      }
      .nav-links.is-open,.nav-actions.is-open{display:flex}
      .nav-links.is-open{
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding-top:10px;
      }
      .nav-links a{justify-content:space-between;border-radius:14px}
      .nav-actions.is-open{
        flex-direction:column;
        align-items:stretch;
        padding-bottom:6px;
      }
      .nav-search input{width:100%;height:46px}
      .nav-actions .button{width:100%;text-align:center}
      .anchor-bar{top:74px}
      .timeline-group{
        grid-template-columns:1fr;
        gap:18px;
      }
      .timeline-group::before{display:none}
      .timeline-item{
        grid-template-columns:48px 1fr;
      }
      .item-action{
        grid-column:2;
        justify-self:start;
      }
      .guide-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      :root{--section:62px}
      .grid-container{padding-left:18px;padding-right:18px}
      h1{font-size:34px;line-height:1.22}
      h2{font-size:26px}
      h3{font-size:19px}
      .lead{font-size:16.5px}
      .topic-hero{padding:42px 0 32px}
      .hero-actions .button{width:100%;text-align:center}
      .promo-panel{margin-top:26px}
      .promo-title{padding-right:0;margin-top:44px}
      .timeline-group{padding:18px;border-radius:18px}
      .timeline-item{
        grid-template-columns:1fr;
        gap:12px;
        padding:15px;
      }
      .item-no{width:42px;height:42px}
      .item-action{grid-column:auto;width:100%}
      .feature-band{padding:24px;border-radius:20px}
      .cta-panel{padding:28px 22px}
      .cta-actions{justify-content:flex-start}
      .cta-actions .button{width:100%;text-align:center}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }

    @media (max-width:520px){
      .grid-container{padding-left:16px;padding-right:16px}
      .brand-text{font-size:16px;max-width:220px}
      .channel-chip,.anchor-btn{font-size:13px}
      .mini-list li{align-items:flex-start;flex-direction:column}
      .accordion-title{font-size:16px;padding-right:42px}
    }

/* roulang page: category1 */
:root{
      --color-primary:#B91F4B;
      --color-primary-dark:#93183c;
      --color-warm:#F59E42;
      --color-ink:#17151A;
      --color-muted:#6d6470;
      --color-soft:#FFF3F6;
      --color-cream:#FFF9F1;
      --color-green:#18A999;
      --color-border:rgba(185,31,75,.14);
      --color-line:rgba(23,21,26,.1);
      --white:#fff;
      --radius-sm:12px;
      --radius-md:16px;
      --radius-lg:22px;
      --shadow-sm:0 10px 30px rgba(23,21,26,.06);
      --shadow-md:0 16px 42px rgba(185,31,75,.12);
      --container:1220px;
      --transition:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--color-ink);
      background:linear-gradient(180deg,var(--color-cream) 0%,#fff 42%,var(--color-soft) 100%);
      line-height:1.82;
      letter-spacing:0;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover,a:focus{color:var(--color-primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,select{font:inherit}
    input,select{
      border:1px solid var(--color-line);
      border-radius:14px;
      min-height:46px;
      padding:0 14px;
      background:#fff;
      color:var(--color-ink);
      outline:none;
      transition:var(--transition);
    }
    input:focus,select:focus{
      border-color:var(--color-primary);
      box-shadow:0 0 0 4px rgba(185,31,75,.1);
    }
    .grid-container{max-width:var(--container);padding-left:32px;padding-right:32px}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.94);
      border-bottom:1px solid rgba(23,21,26,.08);
      backdrop-filter:saturate(160%) blur(12px);
      box-shadow:0 6px 22px rgba(23,21,26,.04);
    }
    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
      font-weight:800;
      color:var(--color-ink);
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:13px;
      background:
        linear-gradient(135deg,var(--color-primary),var(--color-warm));
      position:relative;
      box-shadow:0 12px 24px rgba(185,31,75,.22);
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      left:10px;
      top:11px;
      width:18px;
      height:13px;
      border:2px solid #fff;
      border-radius:5px;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      right:9px;
      bottom:9px;
      width:7px;
      height:7px;
      border-radius:50%;
      background:#fff;
    }
    .brand-text{font-size:18px;line-height:1.25}
    .menu-toggle{
      display:none;
      margin-left:auto;
      border:1px solid var(--color-border);
      background:var(--color-soft);
      color:var(--color-primary);
      border-radius:12px;
      width:42px;
      height:42px;
      cursor:pointer;
    }
    .nav-links{
      list-style:none;
      display:flex;
      align-items:center;
      gap:4px;
      margin:0;
      padding:0;
      flex:1 1 auto;
      justify-content:center;
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:0 14px;
      border-radius:999px;
      font-size:15px;
      font-weight:650;
      color:#3c333f;
    }
    .nav-links a:after{
      content:"";
      width:5px;
      height:5px;
      margin-left:7px;
      border-radius:50%;
      background:transparent;
      transition:var(--transition);
    }
    .nav-links a:hover{
      background:var(--color-soft);
      color:var(--color-primary);
    }
    .nav-links a.active{
      color:var(--color-primary);
      background:rgba(185,31,75,.08);
    }
    .nav-links a.active:after{background:var(--color-primary)}
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .nav-search input{
      width:210px;
      height:42px;
      border-radius:999px;
      background:#fff;
      font-size:14px;
    }
    .button{
      margin:0;
      border-radius:999px;
      font-weight:700;
      font-size:15px;
      padding:.78rem 1.1rem;
      line-height:1;
      transition:var(--transition);
      border:1px solid transparent;
    }
    .button:hover,.button:focus{
      transform:translateY(-2px);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary{
      background:#fff;
      color:var(--color-primary);
      border-color:var(--color-border);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:var(--color-soft);
      color:var(--color-primary-dark);
      border-color:var(--color-primary);
    }
    .btn-warm{
      background:linear-gradient(135deg,var(--color-primary),var(--color-warm));
      color:#fff;
      box-shadow:0 12px 28px rgba(185,31,75,.2);
    }
    .btn-warm:hover,.btn-warm:focus{color:#fff;background:linear-gradient(135deg,var(--color-primary-dark),#e4872d)}
    .btn-primary{
      background:var(--color-primary);
      color:#fff;
      border-color:var(--color-primary);
    }
    .btn-primary:hover,.btn-primary:focus{background:var(--color-primary-dark);color:#fff}

    main{overflow:hidden}
    .section{padding:82px 0}
    .section-tight{padding:56px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--color-primary);
      background:rgba(185,31,75,.08);
      border:1px solid var(--color-border);
      border-radius:999px;
      padding:6px 12px;
      font-size:14px;
      font-weight:700;
      margin-bottom:18px;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-green);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:46px;
      line-height:1.18;
      font-weight:850;
      margin-bottom:18px;
      color:var(--color-ink);
    }
    h2{
      font-size:34px;
      line-height:1.3;
      font-weight:820;
      margin-bottom:16px;
    }
    h3{
      font-size:21px;
      line-height:1.38;
      font-weight:780;
      margin-bottom:10px;
    }
    .lead{
      font-size:17px;
      color:var(--color-muted);
      line-height:1.9;
      max-width:720px;
    }
    .hero{
      position:relative;
      padding:68px 0 42px;
      background:
        linear-gradient(110deg,var(--color-cream) 0%,var(--color-soft) 62%,#fff 100%);
      border-bottom:1px solid rgba(185,31,75,.08);
    }
    .hero:after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:8px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-warm),var(--color-green));
      opacity:.88;
    }
    .hero-copy{padding-right:28px}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:26px 0 22px;
    }
    .group-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      font-size:14px;
      color:#554b57;
    }
    .group-note strong{
      color:var(--color-primary);
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:999px;
      padding:5px 10px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:6px 11px;
      font-size:13px;
      font-weight:700;
      color:#6b1b36;
      background:var(--color-soft);
      border:1px solid rgba(185,31,75,.1);
      line-height:1.35;
    }
    .tag.warm{background:#fff2df;color:#7a4310;border-color:rgba(245,158,66,.22)}
    .tag.green{background:#eafaf6;color:#087a68;border-color:rgba(24,169,153,.2)}
    .hero-panel{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-md);
      padding:18px;
    }
    .panel-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:14px;
      border-bottom:1px solid var(--color-line);
    }
    .panel-tabs{display:flex;gap:8px;flex-wrap:wrap}
    .panel-tab{
      border-radius:999px;
      padding:6px 10px;
      font-size:13px;
      font-weight:750;
      background:var(--color-soft);
      color:var(--color-primary);
    }
    .panel-status{
      color:var(--color-green);
      font-size:13px;
      font-weight:750;
      white-space:nowrap;
    }
    .preview-list{display:grid;gap:12px;margin-top:16px}
    .preview-item{
      display:grid;
      grid-template-columns:52px 1fr auto;
      gap:12px;
      align-items:center;
      padding:13px;
      background:#fffaf6;
      border:1px solid rgba(245,158,66,.16);
      border-radius:15px;
    }
    .cover{
      width:52px;
      height:52px;
      border-radius:14px;
      background:
        linear-gradient(135deg,rgba(185,31,75,.92),rgba(245,158,66,.82));
      position:relative;
      overflow:hidden;
    }
    .cover:after{
      content:"";
      position:absolute;
      inset:12px 8px auto 8px;
      height:18px;
      border-radius:8px;
      background:rgba(255,255,255,.78);
      box-shadow:0 13px 0 rgba(255,255,255,.42);
    }
    .preview-item strong{display:block;line-height:1.35}
    .preview-item span{display:block;color:var(--color-muted);font-size:13px;line-height:1.45;margin-top:3px}
    .mini-btn{
      white-space:nowrap;
      border-radius:999px;
      border:1px solid var(--color-border);
      color:var(--color-primary);
      background:#fff;
      padding:6px 10px;
      font-size:13px;
      font-weight:750;
    }

    .filter-band{
      background:#fff;
      border-bottom:1px solid var(--color-line);
      border-top:1px solid rgba(185,31,75,.08);
      padding:22px 0;
    }
    .filter-shell{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr auto;
      gap:12px;
      align-items:center;
    }
    .filter-shell input,.filter-shell select{width:100%}
    .pill-filters{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:14px;
    }
    .pill{
      border:1px solid var(--color-border);
      background:#fff;
      color:#5b2a3a;
      border-radius:999px;
      padding:8px 12px;
      font-size:14px;
      font-weight:700;
      cursor:pointer;
      transition:var(--transition);
    }
    .pill:hover,.pill.active{
      background:var(--color-primary);
      color:#fff;
      border-color:var(--color-primary);
      transform:translateY(-1px);
    }

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 300px;
      gap:26px;
      align-items:start;
    }
    .feature-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      margin-bottom:18px;
    }
    .feature-inner{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      min-height:278px;
    }
    .feature-visual{
      background:
        linear-gradient(135deg,rgba(185,31,75,.92),rgba(245,158,66,.88)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.15) 0 8px,transparent 8px 18px);
      padding:26px;
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .visual-title{
      font-size:28px;
      line-height:1.25;
      font-weight:850;
    }
    .visual-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }
    .visual-meta span{
      border:1px solid rgba(255,255,255,.36);
      border-radius:999px;
      padding:5px 9px;
      font-size:13px;
      background:rgba(255,255,255,.12);
    }
    .feature-body{padding:28px}
    .feature-body p{color:var(--color-muted);line-height:1.85}
    .list-stack{display:grid;gap:12px}
    .list-card{
      display:grid;
      grid-template-columns:42px 1fr auto;
      gap:14px;
      align-items:center;
      background:#fff;
      border:1px solid rgba(185,31,75,.12);
      border-radius:16px;
      padding:15px;
      box-shadow:0 8px 22px rgba(23,21,26,.04);
      transition:var(--transition);
    }
    .list-card:hover{
      transform:translateY(-2px);
      border-color:rgba(185,31,75,.34);
      box-shadow:var(--shadow-sm);
    }
    .num{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:var(--color-soft);
      color:var(--color-primary);
      font-weight:850;
    }
    .list-card h3{
      font-size:18px;
      margin-bottom:4px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .list-card p{
      margin-bottom:8px;
      color:var(--color-muted);
      font-size:15px;
      line-height:1.65;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      align-items:center;
    }
    .time{
      font-size:13px;
      color:#7b707d;
      white-space:nowrap;
    }
    .side-panel{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      padding:18px;
      box-shadow:var(--shadow-sm);
      position:sticky;
      top:96px;
    }
    .side-block+.side-block{
      margin-top:20px;
      padding-top:18px;
      border-top:1px solid var(--color-line);
    }
    .side-title{
      font-weight:820;
      margin-bottom:12px;
      color:var(--color-ink);
    }
    .hot-tags{display:flex;flex-wrap:wrap;gap:8px}
    .update-line{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:9px 0;
      color:var(--color-muted);
      font-size:14px;
      border-bottom:1px dashed rgba(23,21,26,.1);
    }
    .update-line:last-child{border-bottom:0}
    .recommend-link{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:10px 0;
      font-weight:700;
      border-bottom:1px solid rgba(23,21,26,.07);
    }
    .recommend-link:last-child{border-bottom:0}
    .pagination{
      margin:24px 0 0;
      display:flex;
      gap:6px;
      flex-wrap:wrap;
    }
    .pagination a,.pagination .current{
      border-radius:10px;
      min-width:38px;
      height:38px;
      display:inline-grid;
      place-items:center;
      border:1px solid var(--color-border);
      background:#fff;
      color:var(--color-primary);
      font-weight:750;
    }
    .pagination .current{
      background:var(--color-primary);
      color:#fff;
      border-color:var(--color-primary);
    }
    .pagination a:hover{background:var(--color-soft)}

    .guide-section{background:linear-gradient(180deg,#fff,var(--color-cream))}
    .step-flow{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:24px;
    }
    .step-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      padding:20px;
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
      transition:var(--transition);
    }
    .step-card:before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:5px;
      background:linear-gradient(90deg,var(--color-primary),var(--color-warm));
    }
    .step-card:hover{
      transform:translateY(-3px);
      border-color:rgba(185,31,75,.35);
      box-shadow:var(--shadow-md);
    }
    .step-index{
      display:inline-flex;
      width:34px;
      height:34px;
      border-radius:12px;
      align-items:center;
      justify-content:center;
      background:var(--color-soft);
      color:var(--color-primary);
      font-weight:850;
      margin-bottom:14px;
    }
    .step-card p{color:var(--color-muted);font-size:15px;margin-bottom:0}

    .notice-strip{
      background:#17151A;
      color:#fff;
      border-radius:22px;
      padding:28px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      margin-top:26px;
    }
    .notice-strip p{color:rgba(255,255,255,.78);margin-bottom:0}
    .notice-strip .button{background:#fff;color:var(--color-primary)}
    .faq-section{background:var(--color-soft)}
    .accordion{
      background:transparent;
      margin-top:24px;
    }
    .accordion-item{
      background:#fff;
      border:1px solid rgba(185,31,75,.13);
      border-radius:16px;
      margin-bottom:12px;
      overflow:hidden;
      box-shadow:0 8px 20px rgba(23,21,26,.04);
    }
    .accordion-title{
      border:0;
      color:var(--color-ink);
      font-size:17px;
      font-weight:780;
      padding:18px 46px 18px 20px;
      line-height:1.5;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#fff9fb;
      color:var(--color-primary);
    }
    .is-active>.accordion-title{
      border-left:5px solid var(--color-primary);
      color:var(--color-primary);
      background:#fff9fb;
    }
    .accordion-content{
      border:0;
      color:var(--color-muted);
      padding:0 22px 20px 25px;
      font-size:15.5px;
      line-height:1.8;
    }
    .cta{
      padding:70px 0;
      background:#fff;
    }
    .cta-box{
      border-radius:24px;
      background:
        linear-gradient(135deg,var(--color-primary-dark),var(--color-primary) 58%,#d96447);
      color:#fff;
      padding:44px;
      position:relative;
      overflow:hidden;
    }
    .cta-box h2{color:#fff;max-width:760px}
    .cta-box p{
      color:rgba(255,255,255,.82);
      max-width:760px;
      margin-bottom:24px;
    }
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
    .cta-actions .button:first-child{
      background:#fff;
      color:var(--color-primary);
    }
    .cta-actions .button:last-child{
      background:var(--color-warm);
      color:#fff;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .trust-row span{
      border:1px solid rgba(255,255,255,.28);
      border-radius:999px;
      padding:6px 11px;
      color:rgba(255,255,255,.9);
      font-size:13px;
      font-weight:700;
      background:rgba(255,255,255,.1);
    }

    .site-footer{
      background:#17151A;
      color:rgba(255,255,255,.76);
      padding:54px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:34px;
      padding-bottom:32px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      color:#fff;
      font-size:20px;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-text{
      max-width:520px;
      color:rgba(255,255,255,.68);
      line-height:1.85;
      margin-bottom:0;
    }
    .footer-title{
      color:#fff;
      font-weight:820;
      margin-bottom:12px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
    }
    .footer-links a:hover,.footer-links a:focus{
      color:var(--color-warm);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,255,255,.52);
      font-size:13px;
    }

    @media (max-width:1024px){
      .grid-container{padding-left:24px;padding-right:24px}
      h1{font-size:38px}
      h2{font-size:30px}
      .nav-shell{flex-wrap:wrap;padding:14px 0}
      .menu-toggle{display:inline-grid;place-items:center}
      .nav-links,.nav-actions{
        display:none;
        width:100%;
      }
      .nav-links.is-open,.nav-actions.is-open{
        display:flex;
      }
      .nav-links{
        order:3;
        flex-direction:column;
        align-items:stretch;
        justify-content:flex-start;
        gap:8px;
        padding-top:8px;
      }
      .nav-links a{
        width:100%;
        justify-content:space-between;
        background:#fff;
        border:1px solid rgba(23,21,26,.06);
      }
      .nav-actions{
        order:4;
        flex-direction:column;
        align-items:stretch;
        padding-bottom:8px;
      }
      .nav-search input{width:100%}
      .nav-actions .button{width:100%;text-align:center}
      .hero-copy{padding-right:0;margin-bottom:26px}
      .filter-shell{grid-template-columns:1fr 1fr}
      .content-layout{grid-template-columns:1fr}
      .side-panel{position:static}
      .step-flow{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .section{padding:58px 0}
      .section-tight{padding:42px 0}
      h1{font-size:33px}
      h2{font-size:26px}
      .lead{font-size:16px}
      .hero{padding:46px 0 34px}
      .hero-actions .button,.notice-strip .button,.cta-actions .button{width:100%;text-align:center}
      .preview-item{grid-template-columns:46px 1fr}
      .preview-item .mini-btn{grid-column:1 / -1;text-align:center}
      .filter-shell{grid-template-columns:1fr}
      .feature-inner{grid-template-columns:1fr}
      .list-card{grid-template-columns:38px 1fr}
      .list-card .mini-btn{grid-column:1 / -1;text-align:center}
      .notice-strip{grid-template-columns:1fr;padding:24px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .grid-container{padding-left:16px;padding-right:16px}
      .brand-text{font-size:16px;max-width:230px;white-space:normal}
      .hero-panel,.feature-body,.cta-box{padding:22px}
      .visual-title{font-size:23px}
      .step-flow{grid-template-columns:1fr}
      .tag-row,.pill-filters,.trust-row{gap:7px}
      .tag,.pill{font-size:12.5px}
      .accordion-title{font-size:16px}
    }