/* roulang page: index */
:root {
      --brand: #1f7ae0;
      --brand-strong: #145fc2;
      --brand-soft: #eaf3ff;
      --brand-pale: #f5f9ff;
      --accent: #18a999;
      --accent-soft: #e8fbf7;
      --warning: #ffb547;
      --ink: #132033;
      --text: #32445a;
      --muted: #6f8197;
      --line: #dbe6f2;
      --line-strong: #c7d6e8;
      --bg: #f7fbff;
      --surface: #ffffff;
      --surface-2: #f0f6fd;
      --shadow: 0 14px 38px rgba(31, 122, 224, .10);
      --shadow-soft: 0 8px 22px rgba(19, 32, 51, .07);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1160px;
      --nav-height: 76px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-width: 320px;
      color: var(--text);
      background:
        linear-gradient(180deg, #f8fbff 0%, #eef6ff 36%, #ffffff 74%),
        var(--bg);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
    }

    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;
    }

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

    button,
    input,
    select {
      font: inherit;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(31, 122, 224, .22);
      outline-offset: 3px;
    }

    .page-shell {
      overflow: hidden;
      background:
        radial-gradient(circle at 8% 5%, rgba(31, 122, 224, .09), transparent 28%),
        radial-gradient(circle at 95% 18%, rgba(24, 169, 153, .08), transparent 26%);
    }

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

    .section {
      padding: 78px 0;
      position: relative;
    }

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

    .section-band {
      background: linear-gradient(180deg, rgba(240, 246, 253, .72), rgba(255, 255, 255, .92));
      border-top: 1px solid rgba(219, 230, 242, .75);
      border-bottom: 1px solid rgba(219, 230, 242, .75);
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      padding: 7px 11px;
      border: 1px solid rgba(31, 122, 224, .18);
      border-radius: 999px;
      background: var(--brand-soft);
      color: var(--brand-strong);
      font-size: 13px;
      font-weight: 700;
      line-height: 1.2;
    }

    .section-kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 4px rgba(24, 169, 153, .12);
    }

    h1,
    h2,
    h3,
    h4 {
      margin: 0;
      color: var(--ink);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: 0;
    }

    h1 {
      font-size: clamp(36px, 6vw, 66px);
      max-width: 980px;
    }

    h2 {
      font-size: clamp(27px, 3.2vw, 42px);
    }

    h3 {
      font-size: 21px;
    }

    p {
      margin: 0;
    }

    .lead {
      color: var(--muted);
      font-size: 18px;
      line-height: 1.85;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, .88);
      border-bottom: 1px solid rgba(219, 230, 242, .92);
      backdrop-filter: blur(18px);
      box-shadow: 0 8px 24px rgba(19, 32, 51, .04);
    }

    .navbar {
      min-height: var(--nav-height);
      padding: 12px 0;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      font-weight: 900;
      white-space: nowrap;
    }

    .brand-icon {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--brand), #68b7ff);
      color: #fff;
      box-shadow: 0 10px 20px rgba(31, 122, 224, .23);
      font-size: 17px;
      font-weight: 900;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      gap: 1px;
      line-height: 1.1;
      font-size: 17px;
    }

    .brand-sub {
      color: var(--muted);
      font-size: 11px;
      font-weight: 700;
    }

    .nav-pill {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 14px !important;
      margin: 4px 3px;
      border: 1px solid transparent;
      border-radius: 999px;
      color: var(--text);
      font-size: 14px;
      font-weight: 700;
      line-height: 1.2;
    }

    .nav-pill:hover {
      color: var(--brand-strong);
      background: var(--brand-soft);
      border-color: rgba(31, 122, 224, .14);
    }

    .nav-pill.active {
      color: var(--brand-strong);
      background: #fff;
      border-color: rgba(31, 122, 224, .28);
      box-shadow: var(--shadow-soft);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 18px;
      border-radius: 999px;
      background: var(--brand);
      color: #fff;
      font-weight: 800;
      border: 1px solid var(--brand);
      box-shadow: 0 12px 24px rgba(31, 122, 224, .22);
      white-space: nowrap;
    }

    .nav-cta:hover {
      color: #fff;
      background: var(--brand-strong);
      border-color: var(--brand-strong);
      transform: translateY(-1px);
      box-shadow: 0 16px 28px rgba(31, 122, 224, .28);
    }

    .navbar-toggler {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 8px 10px;
      box-shadow: none !important;
    }

    .hero {
      padding: 62px 0 76px;
      position: relative;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(199, 214, 232, .88);
      border-radius: 12px;
      background:
        linear-gradient(115deg, rgba(255, 255, 255, .98) 0%, rgba(245, 249, 255, .96) 48%, rgba(234, 243, 255, .98) 100%);
      box-shadow: var(--shadow);
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(120deg, transparent 0 54%, rgba(31, 122, 224, .08) 54% 68%, transparent 68%),
        linear-gradient(180deg, rgba(255, 255, 255, .45), transparent);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      padding: clamp(28px, 5vw, 54px);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
    }

    .hero-summary {
      max-width: 760px;
      margin-top: 20px;
      color: var(--text);
      font-size: 18px;
      line-height: 1.9;
    }

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

    .btn-custom {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: var(--radius);
      border: 1px solid transparent;
      font-weight: 800;
      line-height: 1.15;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-primary-custom {
      color: #fff;
      background: var(--brand);
      border-color: var(--brand);
      box-shadow: 0 14px 24px rgba(31, 122, 224, .22);
    }

    .btn-primary-custom:hover,
    .btn-primary-custom:active {
      color: #fff;
      background: var(--brand-strong);
      border-color: var(--brand-strong);
      transform: translateY(-1px);
      box-shadow: 0 18px 30px rgba(31, 122, 224, .28);
    }

    .btn-outline-custom {
      color: var(--brand-strong);
      background: rgba(255, 255, 255, .78);
      border-color: rgba(31, 122, 224, .28);
    }

    .btn-outline-custom:hover,
    .btn-outline-custom:active {
      color: var(--brand-strong);
      background: var(--brand-soft);
      border-color: rgba(31, 122, 224, .44);
      transform: translateY(-1px);
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 26px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 30px;
      padding: 6px 10px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .tag strong {
      color: var(--brand-strong);
      font-weight: 900;
    }

    .recommend-stack {
      display: grid;
      gap: 14px;
      align-content: center;
    }

    .plan-card {
      position: relative;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .9);
      box-shadow: var(--shadow-soft);
    }

    .plan-card.highlight {
      border-color: rgba(31, 122, 224, .42);
      background: linear-gradient(180deg, #ffffff, #f5f9ff);
      box-shadow: 0 18px 36px rgba(31, 122, 224, .14);
      transform: translateX(-12px);
    }

    .plan-top {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: start;
      margin-bottom: 14px;
    }

    .plan-title {
      color: var(--ink);
      font-size: 18px;
      font-weight: 900;
    }

    .plan-badge {
      padding: 6px 9px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: #087d70;
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .plan-desc {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .status-line {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-top: 16px;
      color: var(--text);
      font-size: 13px;
      font-weight: 800;
    }

    .status-bar {
      flex: 1;
      height: 8px;
      border-radius: 999px;
      background: #dfeaf6;
      overflow: hidden;
    }

    .status-bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--brand), var(--accent));
    }

    .quick-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 20px;
    }

    .metric {
      padding: 14px;
      border-radius: var(--radius);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 8px 18px rgba(19, 32, 51, .04);
    }

    .metric strong {
      display: block;
      color: var(--ink);
      font-size: 22px;
      line-height: 1.2;
    }

    .metric span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }

    .compare-wrap {
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--surface);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .compare-row {
      display: grid;
      grid-template-columns: 1.1fr repeat(3, .9fr);
      border-bottom: 1px solid var(--line);
      min-width: 760px;
    }

    .compare-row:last-child {
      border-bottom: none;
    }

    .compare-cell {
      padding: 18px 20px;
      border-right: 1px solid var(--line);
      display: flex;
      align-items: center;
      color: var(--text);
      font-weight: 700;
    }

    .compare-cell:last-child {
      border-right: none;
    }

    .compare-head {
      background: var(--brand-pale);
      color: var(--ink);
      font-weight: 900;
    }

    .compare-good {
      color: var(--brand-strong);
    }

    .compare-star {
      background: linear-gradient(180deg, #ffffff, #f2f8ff);
      box-shadow: inset 0 0 0 2px rgba(31, 122, 224, .12);
    }

    .scroll-hint {
      display: none;
      margin-top: 12px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .product-flow {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      align-items: start;
    }

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

    .feed-card {
      min-height: 312px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      overflow: hidden;
      background: #fff;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .feed-card:hover {
      transform: translateY(-3px);
      border-color: rgba(31, 122, 224, .35);
      box-shadow: var(--shadow);
    }

    .cover-panel {
      position: relative;
      min-height: 172px;
      background:
        linear-gradient(145deg, rgba(31, 122, 224, .88), rgba(24, 169, 153, .72)),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, .14) 0 8px, rgba(255, 255, 255, .03) 8px 18px);
      display: flex;
      align-items: end;
      padding: 14px;
      color: #fff;
    }

    .cover-panel::after {
      content: "";
      position: absolute;
      inset: 12px;
      border: 1px solid rgba(255, 255, 255, .32);
      border-radius: 6px;
      pointer-events: none;
    }

    .cover-code {
      position: relative;
      z-index: 2;
      font-size: 12px;
      font-weight: 900;
      letter-spacing: 0;
      padding: 6px 8px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .18);
      backdrop-filter: blur(8px);
    }

    .feed-body {
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex: 1;
    }

    .feed-title {
      color: var(--ink);
      font-size: 17px;
      font-weight: 900;
      line-height: 1.35;
    }

    .feed-text {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
      flex: 1;
    }

    .mini-link {
      color: var(--brand-strong);
      font-weight: 900;
      font-size: 14px;
    }

    .mini-link:hover {
      color: var(--ink);
    }

    .check-list {
      display: grid;
      gap: 13px;
    }

    .check-item {
      display: flex;
      gap: 12px;
      padding: 15px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: 0 8px 18px rgba(19, 32, 51, .04);
    }

    .check-num {
      flex: 0 0 auto;
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: var(--brand-soft);
      color: var(--brand-strong);
      font-weight: 900;
    }

    .check-item strong {
      display: block;
      color: var(--ink);
      margin-bottom: 4px;
    }

    .check-item span {
      display: block;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

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

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

    .tier.featured {
      border-color: rgba(31, 122, 224, .44);
      box-shadow: var(--shadow);
    }

    .tier.featured::before {
      content: "推荐";
      position: absolute;
      top: 16px;
      right: 16px;
      padding: 5px 9px;
      border-radius: 999px;
      background: var(--brand);
      color: #fff;
      font-size: 12px;
      font-weight: 900;
    }

    .tier-name {
      color: var(--ink);
      font-size: 20px;
      font-weight: 900;
      padding-right: 54px;
    }

    .tier-price {
      margin: 16px 0 8px;
      color: var(--ink);
      font-size: 34px;
      font-weight: 900;
      line-height: 1;
    }

    .tier-price span {
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .tier-desc {
      min-height: 56px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

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

    .tier li {
      display: flex;
      gap: 9px;
      color: var(--text);
      font-size: 14px;
      line-height: 1.55;
    }

    .tier li::before {
      content: "";
      flex: 0 0 auto;
      width: 7px;
      height: 7px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--accent);
    }

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

    .news-panel,
    .recommend-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

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

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

    .news-list li:last-child {
      border-bottom: none;
    }

    .news-link {
      display: grid;
      grid-template-columns: 118px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px 20px;
    }

    .news-link:hover {
      background: var(--brand-pale);
    }

    .news-date {
      color: var(--brand-strong);
      font-size: 13px;
      font-weight: 900;
    }

    .news-title {
      color: var(--ink);
      font-weight: 900;
      line-height: 1.45;
    }

    .news-summary {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 500;
      line-height: 1.6;
    }

    .news-arrow {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--brand-soft);
      color: var(--brand-strong);
      font-weight: 900;
    }

    .recommend-panel {
      padding: 20px;
    }

    .side-title {
      color: var(--ink);
      font-weight: 900;
      margin-bottom: 14px;
    }

    .side-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
    }

    .side-tags a {
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      background: #fff;
    }

    .side-tags a:hover {
      color: var(--brand-strong);
      border-color: rgba(31, 122, 224, .32);
      background: var(--brand-soft);
    }

    .side-note {
      padding: 16px;
      border-radius: var(--radius);
      background: var(--surface-2);
      color: var(--text);
      font-size: 14px;
      line-height: 1.75;
      border: 1px solid var(--line);
    }

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

    .review-card {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .review-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }

    .avatar {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      font-weight: 900;
    }

    .avatar span:first-child {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--brand-soft);
      color: var(--brand-strong);
      font-size: 13px;
    }

    .stars {
      color: var(--warning);
      font-size: 13px;
      font-weight: 900;
      white-space: nowrap;
    }

    .review-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .progress-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .coupon-card {
      padding: 18px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .coupon-card strong {
      display: block;
      color: var(--ink);
      font-size: 18px;
      margin-bottom: 8px;
    }

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

    .coupon-bar {
      height: 8px;
      border-radius: 999px;
      margin: 14px 0;
      background: #e5edf7;
      overflow: hidden;
    }

    .coupon-bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--brand), var(--accent));
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 12px;
      border: 1px solid rgba(31, 122, 224, .24);
      background:
        linear-gradient(120deg, #ffffff 0%, #f4f9ff 55%, #eaf3ff 100%);
      box-shadow: var(--shadow);
      padding: clamp(26px, 5vw, 46px);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: auto -80px -110px auto;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(31, 122, 224, .08);
    }

    .cta-panel h2 {
      margin-bottom: 12px;
    }

    .cta-panel p {
      color: var(--muted);
      max-width: 760px;
      font-size: 17px;
      line-height: 1.8;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
      position: relative;
      z-index: 2;
    }

    .accordion {
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      border: 1px solid var(--line) !important;
      border-radius: var(--radius) !important;
      overflow: hidden;
      background: #fff;
      box-shadow: 0 8px 18px rgba(19, 32, 51, .04);
    }

    .accordion-button {
      padding: 18px 20px;
      color: var(--ink);
      font-weight: 900;
      background: #fff;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--brand-strong);
      background: var(--brand-pale);
    }

    .accordion-button:focus {
      border-color: transparent;
      box-shadow: none;
    }

    .accordion-body {
      padding: 0 20px 20px;
      color: var(--muted);
      line-height: 1.85;
    }

    .site-footer {
      padding: 46px 0 30px;
      background: #102033;
      color: rgba(255, 255, 255, .76);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      color: #fff;
      font-weight: 900;
      font-size: 20px;
      margin-bottom: 12px;
    }

    .footer-text {
      max-width: 520px;
      color: rgba(255, 255, 255, .68);
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-title {
      color: #fff;
      font-weight: 900;
      margin-bottom: 12px;
    }

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

    .footer-links a {
      color: rgba(255, 255, 255, .68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(2px);
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, .12);
      color: rgba(255, 255, 255, .56);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .product-flow,
      .info-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

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

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

      .plans,
      .review-strip,
      .progress-wrap {
        grid-template-columns: 1fr;
      }

      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 991px) {
      .navbar-collapse {
        padding: 14px 0 6px;
      }

      .navbar-nav {
        gap: 4px;
      }

      .nav-pill {
        width: 100%;
        justify-content: center;
        margin: 3px 0;
      }

      .nav-cta {
        width: 100%;
        margin-top: 8px;
      }
    }

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

      .section {
        padding: 56px 0;
      }

      .hero {
        padding: 34px 0 56px;
      }

      .hero-content {
        padding: 24px;
      }

      .hero-summary,
      .lead {
        font-size: 16px;
      }

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

      .compare-wrap {
        overflow-x: auto;
      }

      .scroll-hint {
        display: block;
      }

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

      .news-date {
        grid-column: 1 / -1;
      }

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

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

      h2 {
        font-size: 26px;
      }

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

      .brand-sub {
        display: none;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn-custom {
        width: 100%;
        white-space: normal;
        text-align: center;
      }

      .vertical-feed {
        grid-template-columns: 1fr;
      }

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

      .cover-panel {
        min-height: 154px;
      }

      .section-head {
        margin-bottom: 22px;
      }

      .plan-top,
      .review-top {
        align-items: flex-start;
        flex-direction: column;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#f3f7fc;
      --bg-soft:#eaf1f9;
      --surface:#ffffff;
      --surface-2:#f8fbff;
      --line:#d7e3ef;
      --line-strong:#c5d4e3;
      --text:#163047;
      --muted:#5f7487;
      --muted-2:#7d8fa0;
      --primary:#2f6fed;
      --primary-2:#1f57c6;
      --primary-soft:#e4eefc;
      --accent:#16a3a4;
      --accent-soft:#e6f7f6;
      --warning:#d9912e;
      --danger:#cf5b5b;
      --shadow:0 10px 28px rgba(33, 68, 116, .08);
      --shadow-2:0 16px 36px rgba(33, 68, 116, .12);
      --radius:8px;
      --radius-sm:6px;
      --radius-lg:14px;
      --space-1:.25rem;
      --space-2:.5rem;
      --space-3:.75rem;
      --space-4:1rem;
      --space-5:1.25rem;
      --space-6:1.5rem;
      --space-7:2rem;
      --space-8:2.75rem;
      --site-max:1180px;
    }
    *,*::before,*::after{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      line-height:1.6;
      color:var(--text);
      background:
        linear-gradient(180deg, #f7faff 0%, var(--bg) 100%);
      letter-spacing:0;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;}
    a:hover{color:inherit;}
    img{max-width:100%;display:block;}
    button,input,select,textarea{font:inherit;}
    .site-container{
      width:min(100% - 2rem, var(--site-max));
      margin-inline:auto;
    }
    .skip-link{
      position:absolute;
      left:-9999px;
      top:auto;
      width:1px;
      height:1px;
      overflow:hidden;
    }
    .skip-link:focus{
      left:1rem;
      top:1rem;
      width:auto;
      height:auto;
      z-index:9999;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:999px;
      padding:.7rem 1rem;
      box-shadow:var(--shadow);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      backdrop-filter:saturate(140%) blur(12px);
      background:rgba(243,247,252,.88);
      border-bottom:1px solid rgba(215,227,239,.85);
    }
    .navbar{
      padding:.8rem 0;
    }
    .brand-mark{
      display:flex;
      align-items:center;
      gap:.8rem;
      min-width:0;
    }
    .brand-icon{
      width:2.45rem;
      height:2.45rem;
      border-radius:8px;
      background:linear-gradient(135deg, var(--primary) 0%, #4f86f7 100%);
      color:#fff;
      font-weight:800;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      box-shadow:0 10px 20px rgba(47,111,237,.18);
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
      line-height:1.15;
    }
    .brand-text > span:first-child{
      font-weight:800;
      font-size:1rem;
      white-space:nowrap;
    }
    .brand-sub{
      font-size:.78rem;
      color:var(--muted);
      margin-top:.18rem;
      white-space:nowrap;
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:8px;
      padding:.45rem .7rem;
      box-shadow:none !important;
    }
    .navbar-toggler:focus{
      box-shadow:0 0 0 .2rem rgba(47,111,237,.14) !important;
    }
    .navbar-toggler-icon{
      width:1.25em;
      height:1.25em;
    }
    .navbar-collapse{
      gap:1rem;
    }
    .navbar-nav{
      gap:.55rem;
    }
    .nav-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:2.45rem;
      padding:.45rem .95rem !important;
      border:1px solid transparent;
      border-radius:999px;
      color:var(--muted) !important;
      background:transparent;
      transition:all .18s ease;
      font-weight:600;
    }
    .nav-pill:hover,
    .nav-pill:focus{
      color:var(--primary) !important;
      background:var(--primary-soft);
      border-color:rgba(47,111,237,.12);
    }
    .nav-pill.active{
      color:#fff !important;
      background:var(--primary);
      border-color:var(--primary);
      box-shadow:0 10px 16px rgba(47,111,237,.16);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:2.7rem;
      padding:.55rem 1.1rem;
      border-radius:999px;
      background:var(--primary);
      color:#fff !important;
      font-weight:700;
      border:1px solid var(--primary);
      box-shadow:0 10px 18px rgba(47,111,237,.18);
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .nav-cta:hover,
    .nav-cta:focus{
      background:var(--primary-2);
      box-shadow:0 12px 24px rgba(47,111,237,.24);
      transform:translateY(-1px);
    }
    .page-section{
      padding:clamp(1.4rem, 3vw, 2.6rem) 0;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.94), rgba(244,248,253,.92)),
        linear-gradient(180deg, rgba(47,111,237,.05), rgba(255,255,255,0));
      box-shadow:var(--shadow);
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      inset:auto -8% -20% auto;
      width:240px;
      height:240px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(47,111,237,.12) 0%, rgba(47,111,237,0) 70%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.1fr) minmax(290px, .9fr);
      gap:1.6rem;
      align-items:stretch;
      padding:clamp(1.1rem, 3vw, 2rem);
    }
    .breadcrumb{
      margin:0 0 .85rem;
      color:var(--muted);
      font-size:.92rem;
    }
    .breadcrumb a{
      color:var(--muted);
    }
    .breadcrumb a:hover{
      color:var(--primary);
    }
    .hero-title{
      margin:0;
      font-size:clamp(1.85rem, 3.2vw, 3rem);
      line-height:1.12;
      letter-spacing:0;
      font-weight:800;
    }
    .hero-lead{
      margin:1rem 0 0;
      color:var(--muted);
      font-size:1.02rem;
      max-width:62ch;
    }
    .keyword-row{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin-top:1.15rem;
    }
    .keyword-chip,
    .tag-chip,
    .filter-chip{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      min-height:2rem;
      padding:.3rem .75rem;
      border-radius:999px;
      border:1px solid var(--line);
      background:var(--surface);
      color:var(--muted);
      font-size:.9rem;
      transition:all .16s ease;
    }
    .keyword-chip:hover,
    .tag-chip:hover,
    .filter-chip:hover{
      border-color:rgba(47,111,237,.2);
      color:var(--primary);
      transform:translateY(-1px);
      box-shadow:0 6px 14px rgba(33,68,116,.05);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.75rem;
      margin-top:1.4rem;
    }
    .btn-modern{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      min-height:2.8rem;
      padding:.62rem 1rem;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      transition:all .18s ease;
      white-space:nowrap;
    }
    .btn-modern:hover{
      transform:translateY(-1px);
    }
    .btn-primary-modern{
      background:var(--primary);
      border-color:var(--primary);
      color:#fff;
      box-shadow:0 10px 18px rgba(47,111,237,.18);
    }
    .btn-primary-modern:hover,
    .btn-primary-modern:focus{
      background:var(--primary-2);
      border-color:var(--primary-2);
      color:#fff;
    }
    .btn-outline-modern{
      background:var(--surface);
      border-color:var(--line);
      color:var(--text);
    }
    .btn-outline-modern:hover,
    .btn-outline-modern:focus{
      border-color:rgba(47,111,237,.28);
      color:var(--primary);
      background:var(--primary-soft);
    }
    .hero-visual{
      display:grid;
      gap:.9rem;
      align-content:stretch;
    }
    .visual-stack{
      display:grid;
      gap:.8rem;
      height:100%;
    }
    .visual-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .visual-card-top{
      padding:1rem 1rem .8rem;
      border-bottom:1px solid rgba(215,227,239,.75);
      background:linear-gradient(180deg, #fff 0%, #fbfdff 100%);
    }
    .visual-card-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      font-weight:800;
      margin:0;
    }
    .mini-stat{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:.85rem;
      padding:1rem;
      align-items:center;
      border-top:1px solid rgba(215,227,239,.7);
    }
    .mini-stat:first-of-type{border-top:none;}
    .mini-icon{
      width:2.7rem;
      height:2.7rem;
      border-radius:8px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--primary-soft);
      color:var(--primary);
      flex:0 0 auto;
      font-size:1.1rem;
    }
    .mini-label{
      font-size:.9rem;
      color:var(--muted);
      margin:0 0 .15rem;
    }
    .mini-value{
      margin:0;
      font-weight:800;
      font-size:1.04rem;
      color:var(--text);
    }
    .mini-note{
      margin:.2rem 0 0;
      font-size:.9rem;
      color:var(--muted-2);
    }
    .search-wrap{
      margin-top:1.1rem;
      display:grid;
      gap:.75rem;
      padding:1rem;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.8);
      box-shadow:0 10px 26px rgba(33,68,116,.06);
    }
    .search-wrap .input-group{
      box-shadow:none;
    }
    .search-wrap .form-control{
      min-height:3.2rem;
      border-radius:999px 0 0 999px;
      border:1px solid var(--line);
      border-right:none;
      background:#fff;
      color:var(--text);
      padding-left:1rem;
    }
    .search-wrap .form-control::placeholder{
      color:#8ca0b2;
    }
    .search-wrap .form-control:focus{
      box-shadow:none;
      border-color:rgba(47,111,237,.45);
    }
    .search-wrap .btn{
      min-height:3.2rem;
      border-radius:0 999px 999px 0;
      padding-inline:1.15rem;
    }
    .search-help{
      font-size:.9rem;
      color:var(--muted);
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      align-items:center;
    }
    .search-help strong{
      color:var(--text);
    }
    .section-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1rem;
    }
    .section-title{
      margin:0;
      font-size:1.3rem;
      font-weight:800;
      letter-spacing:0;
    }
    .section-desc{
      margin:.3rem 0 0;
      color:var(--muted);
      max-width:68ch;
      font-size:.96rem;
    }
    .surface-band{
      padding:1.2rem 0;
    }
    .band-inner{
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.9);
      box-shadow:var(--shadow);
      padding:1rem;
    }
    .quick-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:1rem;
    }
    .quick-item{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--surface-2);
      padding:1rem;
      display:flex;
      gap:.85rem;
      align-items:flex-start;
      min-height:100%;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .quick-item:hover{
      transform:translateY(-2px);
      border-color:rgba(47,111,237,.18);
      box-shadow:var(--shadow);
    }
    .quick-item i{
      width:2.6rem;
      height:2.6rem;
      border-radius:8px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--primary);
      background:var(--primary-soft);
      font-size:1.1rem;
      flex:0 0 auto;
    }
    .quick-item h3{
      margin:0 0 .25rem;
      font-size:1rem;
      font-weight:800;
    }
    .quick-item p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .tool-bar{
      display:flex;
      flex-wrap:wrap;
      gap:.65rem;
      align-items:center;
      justify-content:space-between;
      margin-bottom:1rem;
      padding:.95rem 1rem;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.88);
      box-shadow:0 8px 20px rgba(33,68,116,.05);
    }
    .tool-set{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      align-items:center;
    }
    .tool-label{
      font-size:.92rem;
      color:var(--muted);
      margin-right:.2rem;
    }
    .sort-group .btn,
    .action-group .btn{
      min-height:2.4rem;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      padding:.38rem .8rem;
      font-weight:600;
      box-shadow:none !important;
    }
    .sort-group .btn:hover,
    .action-group .btn:hover,
    .sort-group .btn.active{
      color:var(--primary);
      background:var(--primary-soft);
      border-color:rgba(47,111,237,.22);
    }
    .filter-row{
      display:flex;
      flex-wrap:wrap;
      gap:.6rem;
      align-items:center;
    }
    .filter-chip{
      cursor:pointer;
      user-select:none;
      background:#fff;
    }
    .filter-chip.active{
      background:var(--primary);
      color:#fff;
      border-color:var(--primary);
      box-shadow:0 8px 16px rgba(47,111,237,.14);
    }
    .layout-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.2fr) minmax(300px, .8fr);
      gap:1.2rem;
      align-items:start;
    }
    .result-list{
      display:grid;
      gap:.95rem;
    }
    .result-card{
      border:1px solid var(--line);
      border-radius:14px;
      background:var(--surface);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .result-card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-2);
      border-color:rgba(47,111,237,.18);
    }
    .result-card-body{
      display:grid;
      grid-template-columns:130px minmax(0,1fr) auto;
      gap:1rem;
      align-items:center;
      padding:1rem;
    }
    .thumb{
      border-radius:12px;
      background:
        linear-gradient(135deg, rgba(47,111,237,.14), rgba(22,163,164,.12)),
        linear-gradient(180deg, #edf4fb, #f9fcff);
      border:1px solid rgba(47,111,237,.12);
      aspect-ratio:4 / 3;
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--primary);
      font-size:2rem;
      font-weight:800;
      overflow:hidden;
    }
    .result-meta{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      margin-bottom:.6rem;
    }
    .result-title{
      margin:0 0 .4rem;
      font-size:1.08rem;
      font-weight:800;
      line-height:1.35;
    }
    .result-desc{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .result-side{
      display:flex;
      flex-direction:column;
      align-items:flex-end;
      gap:.55rem;
      min-width:8.5rem;
    }
    .state-pill{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.35rem .65rem;
      border-radius:999px;
      background:#eff7ff;
      color:var(--primary);
      font-size:.85rem;
      font-weight:700;
      border:1px solid rgba(47,111,237,.12);
    }
    .state-pill.green{
      background:#eefaf7;
      color:#127b63;
      border-color:rgba(18,123,99,.14);
    }
    .state-pill.orange{
      background:#fff6ea;
      color:#a8651a;
      border-color:rgba(216,145,46,.14);
    }
    .side-panel{
      position:sticky;
      top:6.2rem;
      display:grid;
      gap:1rem;
    }
    .panel-box{
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow);
      padding:1rem;
    }
    .panel-box h3{
      margin:0 0 .65rem;
      font-size:1rem;
      font-weight:800;
    }
    .panel-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:.7rem;
    }
    .panel-list li{
      display:flex;
      gap:.7rem;
      align-items:flex-start;
      color:var(--muted);
      font-size:.93rem;
    }
    .panel-list i{
      color:var(--primary);
      margin-top:.2rem;
      flex:0 0 auto;
    }
    .panel-tags{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
    }
    .panel-stat{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:.75rem;
      align-items:center;
      padding:.8rem;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--surface-2);
    }
    .panel-stat strong{
      display:block;
      font-size:1rem;
      margin-bottom:.08rem;
    }
    .panel-stat span{
      color:var(--muted);
      font-size:.9rem;
    }
    .compare-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:1rem;
    }
    .compare-card{
      border:1px solid var(--line);
      border-radius:14px;
      background:var(--surface);
      padding:1rem;
      box-shadow:var(--shadow);
      min-height:100%;
    }
    .compare-head{
      display:flex;
      align-items:center;
      gap:.7rem;
      margin-bottom:.75rem;
    }
    .compare-num{
      width:2.1rem;
      height:2.1rem;
      border-radius:8px;
      background:var(--primary-soft);
      color:var(--primary);
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:800;
      flex:0 0 auto;
    }
    .compare-card h3{
      margin:0;
      font-size:1rem;
      font-weight:800;
    }
    .compare-card p{
      margin:0;
      color:var(--muted);
      font-size:.93rem;
    }
    .faq-wrap{
      display:grid;
      gap:.85rem;
    }
    .accordion{
      --bs-accordion-border-color: var(--line);
      --bs-accordion-border-radius: 14px;
      --bs-accordion-inner-border-radius: 14px;
      --bs-accordion-btn-padding-y: 1rem;
      --bs-accordion-btn-padding-x: 1rem;
      --bs-accordion-body-padding-x: 1rem;
      --bs-accordion-body-padding-y: .25rem 1rem 1rem;
      --bs-accordion-btn-focus-box-shadow: 0 0 0 .2rem rgba(47,111,237,.12);
    }
    .accordion-item{
      border-radius:14px !important;
      overflow:hidden;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      margin-bottom:.8rem;
      background:var(--surface);
    }
    .accordion-button{
      font-weight:700;
      color:var(--text);
      background:var(--surface);
      box-shadow:none;
    }
    .accordion-button:not(.collapsed){
      color:var(--primary-2);
      background:var(--primary-soft);
    }
    .accordion-button::after{
      width:1rem;
      height:1rem;
      background-size:1rem;
    }
    .accordion-body{
      color:var(--muted);
      font-size:.95rem;
    }
    .cta-band{
      border:1px solid rgba(47,111,237,.18);
      border-radius:16px;
      background:
        linear-gradient(135deg, rgba(47,111,237,.08), rgba(255,255,255,.92)),
        var(--surface);
      box-shadow:var(--shadow);
      padding:1.2rem;
    }
    .cta-band-inner{
      display:flex;
      flex-wrap:wrap;
      gap:1rem;
      align-items:center;
      justify-content:space-between;
    }
    .cta-copy h2{
      margin:0 0 .3rem;
      font-size:1.25rem;
      font-weight:800;
    }
    .cta-copy p{
      margin:0;
      color:var(--muted);
      max-width:64ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.65rem;
    }
    .site-footer{
      margin-top:1.2rem;
      padding:1.4rem 0 1.2rem;
      border-top:1px solid var(--line);
      background:rgba(247,250,253,.75);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:1rem;
      align-items:start;
    }
    .footer-brand{
      font-weight:800;
      font-size:1.02rem;
      margin-bottom:.55rem;
    }
    .footer-text{
      color:var(--muted);
      margin:0;
      font-size:.93rem;
      max-width:42ch;
    }
    .footer-title{
      font-weight:800;
      margin-bottom:.6rem;
      font-size:.95rem;
    }
    .footer-links{
      display:grid;
      gap:.5rem;
    }
    .footer-links a{
      color:var(--muted);
      font-size:.93rem;
      width:fit-content;
    }
    .footer-links a:hover{
      color:var(--primary);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:1rem;
      flex-wrap:wrap;
      margin-top:1.1rem;
      padding-top:1rem;
      border-top:1px solid rgba(215,227,239,.8);
      color:var(--muted-2);
      font-size:.9rem;
    }
    .focus-ring:focus,
    .form-control:focus,
    .btn:focus{
      outline:none;
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    .nav-cta:focus-visible,
    .filter-chip:focus-visible,
    .keyword-chip:focus-visible,
    .footer-links a:focus-visible,
    .form-control:focus-visible{
      box-shadow:0 0 0 .2rem rgba(47,111,237,.18) !important;
      outline:none;
    }
    @media (max-width: 1024px){
      .hero-grid,
      .layout-grid{
        grid-template-columns:1fr;
      }
      .side-panel{
        position:static;
      }
      .result-card-body{
        grid-template-columns:110px minmax(0,1fr);
      }
      .result-side{
        grid-column:1 / -1;
        align-items:flex-start;
        flex-direction:row;
        flex-wrap:wrap;
        min-width:0;
      }
      .compare-grid{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 768px){
      .site-container{
        width:min(100% - 1.2rem, var(--site-max));
      }
      .navbar-collapse{
        margin-top:.9rem;
        padding:.9rem;
        border:1px solid var(--line);
        border-radius:14px;
        background:rgba(255,255,255,.95);
        box-shadow:var(--shadow);
      }
      .navbar-nav{
        width:100%;
        margin-bottom:.85rem;
      }
      .nav-pill{
        width:100%;
        justify-content:flex-start;
        border-radius:12px;
      }
      .nav-cta{
        width:100%;
      }
      .quick-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .tool-bar{
        align-items:flex-start;
      }
      .result-card-body{
        grid-template-columns:1fr;
      }
      .thumb{
        max-width:180px;
      }
      .search-wrap .input-group{
        flex-wrap:nowrap;
      }
      .cta-band-inner{
        align-items:flex-start;
      }
    }
    @media (max-width: 520px){
      .hero-title{
        font-size:1.6rem;
      }
      .hero-lead,
      .section-desc,
      .footer-text{
        font-size:.92rem;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .btn-modern,
      .nav-cta{
        width:100%;
      }
      .tool-set{
        width:100%;
      }
      .sort-group{
        width:100%;
      }
      .sort-group .btn{
        flex:1 1 auto;
      }
      .filter-chip,
      .keyword-chip{
        font-size:.85rem;
      }
      .panel-box,
      .band-inner,
      .cta-band,
      .visual-card{
        border-radius:12px;
      }
    }

/* roulang page: category2 */
:root{
      --bg:#f4f8fc;
      --surface:#ffffff;
      --surface-2:#eef4fb;
      --surface-3:#e6eef8;
      --line:#d8e3f0;
      --line-2:#c6d5e8;
      --text:#10243f;
      --muted:#60748c;
      --muted-2:#7f8ea3;
      --brand:#2563eb;
      --brand-2:#0f4bd6;
      --accent:#0ea5e9;
      --accent-2:#14b8a6;
      --danger:#ef4444;
      --shadow:0 16px 36px rgba(27, 52, 88, .08);
      --shadow-2:0 10px 24px rgba(27, 52, 88, .12);
      --radius:8px;
      --radius-sm:6px;
      --radius-xs:4px;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(37,99,235,.04), transparent 28%),
        radial-gradient(circle at top right, rgba(14,165,233,.04), transparent 22%),
        var(--bg);
      line-height:1.65;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }

    a{
      color:inherit;
      text-decoration:none;
      transition:color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
    }
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    button{
      border:0;
      background:none;
    }
    :focus-visible{
      outline:3px solid rgba(37,99,235,.25);
      outline-offset:2px;
    }

    .site-container{
      width:min(var(--container), calc(100% - 2rem));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(244,248,252,.9);
      backdrop-filter:blur(12px);
      border-bottom:1px solid rgba(216,227,240,.85);
    }

    .navbar{
      padding:.82rem 0;
    }

    .brand-mark{
      display:flex;
      align-items:center;
      gap:.8rem;
      min-width:0;
    }

    .brand-icon{
      width:2.6rem;
      height:2.6rem;
      display:grid;
      place-items:center;
      border-radius:8px;
      background:linear-gradient(180deg, var(--brand), var(--brand-2));
      color:#fff;
      font-weight:700;
      box-shadow:0 10px 20px rgba(37,99,235,.22);
      flex:0 0 auto;
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
      line-height:1.15;
    }

    .brand-text > span:first-child{
      font-weight:800;
      letter-spacing:0;
      font-size:1.02rem;
      white-space:nowrap;
    }

    .brand-sub{
      color:var(--muted);
      font-size:.82rem;
      margin-top:.2rem;
      white-space:nowrap;
    }

    .navbar-collapse{
      flex-grow:0;
    }

    .navbar-nav{
      gap:.5rem;
    }

    .nav-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:2.55rem;
      padding:.55rem 1rem;
      border:1px solid transparent;
      border-radius:999px;
      color:var(--muted);
      background:transparent;
      font-weight:600;
      line-height:1;
      white-space:nowrap;
    }

    .nav-pill:hover,
    .nav-pill:focus-visible{
      color:var(--brand);
      background:rgba(37,99,235,.06);
      border-color:rgba(37,99,235,.16);
    }

    .nav-pill.active,
    .nav-pill[aria-current="page"]{
      color:#fff;
      background:linear-gradient(180deg, var(--brand), var(--brand-2));
      border-color:transparent;
      box-shadow:0 8px 18px rgba(37,99,235,.18);
    }

    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:2.7rem;
      padding:.62rem 1.15rem;
      border-radius:999px;
      background:#111c33;
      color:#fff;
      font-weight:700;
      box-shadow:0 10px 22px rgba(17,28,51,.16);
      white-space:nowrap;
    }

    .nav-cta:hover{
      background:#172743;
      color:#fff;
      transform:translateY(-1px);
    }

    .navbar-toggler{
      border:1px solid var(--line-2);
      border-radius:8px;
      padding:.5rem .65rem;
      background:#fff;
      box-shadow:0 8px 16px rgba(16,36,63,.04);
    }

    .navbar-toggler:focus{
      box-shadow:none;
    }

    .navbar-toggler-icon{
      width:1.1rem;
      height:1.1rem;
      filter:invert(22%) sepia(74%) saturate(1344%) hue-rotate(205deg) brightness(93%) contrast(98%);
    }

    .hero-section{
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(180deg, rgba(7,13,26,.97), rgba(16,28,51,.96)),
        linear-gradient(120deg, rgba(37,99,235,.22), transparent 45%);
      color:#fff;
      padding:4.4rem 0 3rem;
    }

    .hero-section::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
      background-size:38px 38px;
      opacity:.16;
      pointer-events:none;
    }

    .hero-shell{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);
      gap:2rem;
      align-items:center;
    }

    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.42rem .75rem;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#d7e2f1;
      font-size:.88rem;
      font-weight:600;
      margin-bottom:1rem;
    }

    .hero-title{
      margin:0;
      font-size:clamp(2rem, 3.2vw, 3.55rem);
      line-height:1.12;
      letter-spacing:0;
      font-weight:800;
      max-width:12ch;
    }

    .hero-text{
      margin:1rem 0 0;
      max-width:44rem;
      color:#d7e2f1;
      font-size:1.03rem;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:.8rem;
      margin-top:1.55rem;
    }

    .btn-ui{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      min-height:2.95rem;
      padding:.72rem 1.15rem;
      border-radius:999px;
      font-weight:700;
      border:1px solid transparent;
      transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, border-color .18s ease;
      white-space:nowrap;
    }

    .btn-ui:hover{
      transform:translateY(-1px);
    }

    .btn-primary-ui{
      background:linear-gradient(180deg, #3b82f6, #2563eb);
      color:#fff;
      box-shadow:0 14px 30px rgba(37,99,235,.24);
    }

    .btn-primary-ui:hover{
      color:#fff;
      box-shadow:0 18px 36px rgba(37,99,235,.28);
    }

    .btn-ghost-ui{
      background:rgba(255,255,255,.05);
      color:#fff;
      border-color:rgba(255,255,255,.15);
    }

    .btn-ghost-ui:hover{
      color:#fff;
      background:rgba(255,255,255,.09);
      border-color:rgba(255,255,255,.22);
    }

    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin-top:1.5rem;
    }

    .tag{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.45rem .8rem;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#e8eff8;
      font-size:.88rem;
      font-weight:600;
    }

    .hero-note{
      margin-top:1.25rem;
      display:flex;
      align-items:center;
      gap:.55rem;
      color:#aab9cc;
      font-size:.92rem;
    }

    .hero-note i{
      color:#7dd3fc;
      font-size:1rem;
    }

    .poster-panel{
      position:relative;
      padding:1rem;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.05));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 28px 60px rgba(7,13,26,.36);
    }

    .poster-canvas{
      position:relative;
      overflow:hidden;
      min-height:430px;
      border-radius:var(--radius);
      background:
        linear-gradient(180deg, rgba(12,20,36,.98), rgba(9,14,27,.98)),
        linear-gradient(120deg, rgba(37,99,235,.28), transparent 40%);
      border:1px solid rgba(255,255,255,.08);
      padding:1rem;
    }

    .poster-canvas::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(160deg, rgba(37,99,235,.18), transparent 30%),
        linear-gradient(10deg, rgba(20,184,166,.12), transparent 38%);
      pointer-events:none;
    }

    .poster-top{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:.95rem;
    }

    .heat-badge{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.42rem .72rem;
      border-radius:999px;
      background:rgba(14,165,233,.14);
      border:1px solid rgba(125,211,252,.22);
      color:#dff4ff;
      font-weight:700;
      font-size:.86rem;
    }

    .status-mark{
      display:inline-flex;
      align-items:center;
      gap:.38rem;
      color:#c5d3e5;
      font-size:.88rem;
    }

    .status-dot{
      width:.55rem;
      height:.55rem;
      border-radius:50%;
      background:#22c55e;
      box-shadow:0 0 0 .35rem rgba(34,197,94,.15);
      flex:0 0 auto;
    }

    .poster-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:.9rem;
      min-height:360px;
    }

    .poster-main{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:1rem;
      padding:1rem;
      border-radius:var(--radius);
      background:
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.1);
      min-height:100%;
    }

    .poster-title{
      margin:0;
      font-size:1.25rem;
      font-weight:800;
      line-height:1.2;
      letter-spacing:0;
    }

    .poster-copy{
      margin:.55rem 0 0;
      color:#cfdbeb;
      font-size:.94rem;
    }

    .poster-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:.65rem;
    }

    .poster-stat{
      padding:.75rem;
      border-radius:var(--radius-sm);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      min-height:78px;
    }

    .poster-stat .value{
      font-size:1.15rem;
      font-weight:800;
      color:#fff;
      line-height:1.1;
    }

    .poster-stat .label{
      margin-top:.24rem;
      color:#b6c5d8;
      font-size:.82rem;
    }

    .poster-stack{
      display:grid;
      gap:.8rem;
    }

    .stack-card{
      padding:.9rem;
      border-radius:var(--radius);
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.08);
      min-height:112px;
    }

    .stack-card h3{
      margin:0;
      font-size:1rem;
      font-weight:800;
    }

    .stack-card p{
      margin:.45rem 0 0;
      color:#c8d5e6;
      font-size:.92rem;
    }

    .stack-mini{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-top:.75rem;
      padding-top:.75rem;
      border-top:1px solid rgba(255,255,255,.08);
      color:#dfe8f3;
      font-size:.86rem;
    }

    .mini-chip{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.32rem .52rem;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.08);
    }

    .hero-footbar{
      position:relative;
      margin-top:1rem;
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:.75rem;
    }

    .hero-footbar .foot-item{
      padding:.75rem .9rem;
      border-radius:var(--radius-sm);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#dbe7f5;
      font-size:.88rem;
      display:flex;
      align-items:center;
      gap:.45rem;
    }

    .section-band{
      padding:1.6rem 0 0;
    }

    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1rem;
    }

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      color:var(--brand);
      font-size:.86rem;
      font-weight:700;
      margin-bottom:.35rem;
    }

    .section-title{
      margin:0;
      font-size:1.55rem;
      line-height:1.2;
      font-weight:800;
      letter-spacing:0;
    }

    .section-text{
      margin:.35rem 0 0;
      color:var(--muted);
      max-width:48rem;
      font-size:.97rem;
    }

    .tool-shell{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:1rem;
    }

    .tool-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
      gap:1rem;
      align-items:end;
    }

    .search-group{
      display:grid;
      grid-template-columns:minmax(0,1.3fr) 170px 118px;
      gap:.75rem;
      align-items:center;
    }

    .form-control,
    .form-select{
      min-height:2.85rem;
      border-radius:var(--radius-sm);
      border-color:var(--line-2);
      background:#fff;
      color:var(--text);
      box-shadow:none;
    }

    .form-control::placeholder{
      color:#8ea0b5;
    }

    .form-control:focus,
    .form-select:focus{
      border-color:rgba(37,99,235,.45);
      box-shadow:0 0 0 .2rem rgba(37,99,235,.1);
    }

    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin-top:.9rem;
    }

    .filter-chip{
      display:inline-flex;
      align-items:center;
      gap:.36rem;
      padding:.52rem .78rem;
      border-radius:999px;
      border:1px solid var(--line-2);
      background:#fff;
      color:var(--muted);
      font-weight:600;
      font-size:.88rem;
      line-height:1;
    }

    .filter-chip:hover{
      color:var(--brand);
      border-color:rgba(37,99,235,.28);
      background:rgba(37,99,235,.06);
    }

    .filter-chip.active{
      color:#fff;
      background:linear-gradient(180deg, var(--brand), var(--brand-2));
      border-color:transparent;
      box-shadow:0 10px 18px rgba(37,99,235,.18);
    }

    .tool-side{
      padding:.95rem 1rem;
      border-radius:var(--radius);
      background:var(--surface-2);
      border:1px solid rgba(198,213,232,.9);
    }

    .tool-side strong{
      display:block;
      font-size:1rem;
      margin-bottom:.35rem;
    }

    .tool-side p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }

    .content-band{
      padding:1.4rem 0 0;
    }

    .mix-grid{
      display:grid;
      grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);
      gap:1rem;
      align-items:start;
    }

    .lead-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      overflow:hidden;
    }

    .lead-visual{
      position:relative;
      min-height:285px;
      background:
        linear-gradient(180deg, rgba(16,36,63,.86), rgba(16,36,63,.95)),
        linear-gradient(135deg, rgba(37,99,235,.28), transparent 42%);
      padding:1rem;
      color:#fff;
      overflow:hidden;
    }

    .lead-visual::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, transparent 0 18%, rgba(255,255,255,.06) 18% 19%, transparent 19% 100%),
        linear-gradient(transparent 0 32%, rgba(255,255,255,.05) 32% 33%, transparent 33% 100%);
      pointer-events:none;
    }

    .lead-frame{
      position:relative;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:1rem;
      min-height:285px;
      border-radius:var(--radius-sm);
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.05);
      padding:1rem;
    }

    .lead-frame h3{
      margin:0;
      font-size:1.28rem;
      font-weight:800;
      line-height:1.15;
    }

    .lead-frame p{
      margin:.45rem 0 0;
      color:#d7e2f1;
      font-size:.93rem;
      max-width:32rem;
    }

    .lead-tags{
      display:flex;
      flex-wrap:wrap;
      gap:.4rem;
      margin-top:.8rem;
    }

    .lead-tags .tag{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.1);
      color:#eef5ff;
      font-size:.82rem;
      padding:.35rem .68rem;
    }

    .visual-mosaic{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:.8rem;
      margin-top:auto;
    }

    .mosaic-card{
      min-height:80px;
      padding:.75rem .8rem;
      border-radius:var(--radius-sm);
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }

    .mosaic-card .small{
      display:block;
      color:#9fb2ca;
      font-size:.78rem;
      margin-bottom:.2rem;
    }

    .mosaic-card strong{
      display:block;
      color:#fff;
      font-size:.98rem;
      line-height:1.2;
    }

    .mini-stack{
      display:grid;
      gap:1rem;
    }

    .mini-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:1rem;
    }

    .mini-card-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:.8rem;
    }

    .mini-card-head h3{
      margin:0;
      font-size:1.05rem;
      font-weight:800;
    }

    .mini-flag{
      padding:.33rem .58rem;
      border-radius:999px;
      background:rgba(37,99,235,.08);
      color:var(--brand);
      font-size:.8rem;
      font-weight:700;
      white-space:nowrap;
    }

    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }

    .mini-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:.7rem;
      margin-top:.9rem;
    }

    .mini-list li{
      display:flex;
      align-items:flex-start;
      gap:.7rem;
      padding:.72rem .8rem;
      border-radius:var(--radius-sm);
      background:var(--surface-2);
      border:1px solid rgba(198,213,232,.72);
    }

    .mini-list .index{
      width:1.45rem;
      height:1.45rem;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#fff;
      border:1px solid var(--line-2);
      color:var(--brand);
      font-weight:800;
      font-size:.82rem;
      flex:0 0 auto;
      margin-top:.05rem;
    }

    .mini-list strong{
      display:block;
      font-size:.94rem;
      line-height:1.2;
    }

    .mini-list span{
      display:block;
      color:var(--muted);
      font-size:.85rem;
      margin-top:.14rem;
    }

    .compare-band{
      padding:1.4rem 0 0;
    }

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

    .compare-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:1rem;
      min-height:100%;
    }

    .compare-card .cmp-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:.65rem;
    }

    .compare-card h3{
      margin:0;
      font-size:1.03rem;
      font-weight:800;
    }

    .cmp-score{
      font-size:.8rem;
      padding:.3rem .55rem;
      border-radius:999px;
      background:rgba(20,184,166,.08);
      color:#0f766e;
      font-weight:700;
      white-space:nowrap;
    }

    .cmp-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:.65rem;
    }

    .cmp-list li{
      display:flex;
      align-items:flex-start;
      gap:.55rem;
      color:var(--muted);
      font-size:.92rem;
    }

    .cmp-list i{
      color:var(--brand);
      margin-top:.12rem;
      flex:0 0 auto;
    }

    .guide-band{
      padding:1.4rem 0 0;
    }

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

    .step-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:1rem;
      min-height:100%;
      position:relative;
      overflow:hidden;
    }

    .step-card::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:3px;
      background:linear-gradient(90deg, var(--brand), var(--accent));
    }

    .step-num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:2rem;
      height:2rem;
      border-radius:50%;
      background:rgba(37,99,235,.08);
      color:var(--brand);
      font-weight:800;
      margin-bottom:.8rem;
    }

    .step-card h3{
      margin:0;
      font-size:1rem;
      font-weight:800;
    }

    .step-card p{
      margin:.45rem 0 0;
      color:var(--muted);
      font-size:.92rem;
    }

    .buzz-band{
      padding:1.4rem 0 0;
    }

    .buzz-strip{
      display:grid;
      grid-auto-flow:column;
      grid-auto-columns:minmax(240px, 1fr);
      gap:1rem;
      overflow-x:auto;
      padding-bottom:.3rem;
      scroll-snap-type:x proximity;
    }

    .buzz-card{
      scroll-snap-align:start;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:1rem;
      min-height:100%;
    }

    .buzz-top{
      display:flex;
      align-items:center;
      gap:.8rem;
      margin-bottom:.85rem;
    }

    .avatar-dot{
      width:2.55rem;
      height:2.55rem;
      border-radius:50%;
      background:linear-gradient(180deg, #dceafe, #b6ccf7);
      border:1px solid rgba(37,99,235,.14);
      flex:0 0 auto;
    }

    .buzz-top strong{
      display:block;
      font-size:.97rem;
      line-height:1.2;
    }

    .buzz-top span{
      display:block;
      color:var(--muted);
      font-size:.84rem;
      margin-top:.15rem;
    }

    .rating{
      display:flex;
      gap:.15rem;
      color:#f59e0b;
      margin-left:auto;
      font-size:.9rem;
      flex:0 0 auto;
    }

    .buzz-card p{
      margin:0;
      color:var(--text);
      font-size:.94rem;
    }

    .buzz-meta{
      margin-top:.75rem;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      color:var(--muted);
      font-size:.84rem;
    }

    .cta-band{
      padding:1.7rem 0 0;
    }

    .cta-shell{
      background:linear-gradient(180deg, #10213f, #0f1a31);
      color:#fff;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:0 24px 50px rgba(16,33,63,.18);
      overflow:hidden;
      position:relative;
    }

    .cta-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(110deg, rgba(37,99,235,.15), transparent 42%),
        linear-gradient(310deg, rgba(20,184,166,.11), transparent 34%);
      pointer-events:none;
    }

    .cta-inner{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
      gap:1rem;
      padding:1.3rem;
      align-items:center;
    }

    .cta-inner h2{
      margin:0;
      font-size:1.45rem;
      font-weight:800;
      line-height:1.25;
    }

    .cta-inner p{
      margin:.5rem 0 0;
      color:#d5e1ef;
      max-width:40rem;
    }

    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:.7rem;
    }

    .btn-light-ui{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      min-height:2.85rem;
      padding:.68rem 1.02rem;
      border-radius:999px;
      background:#fff;
      color:var(--brand-2);
      font-weight:800;
      border:1px solid rgba(255,255,255,.3);
      box-shadow:0 10px 22px rgba(7,13,26,.12);
    }

    .btn-light-ui:hover{
      color:var(--brand-2);
      transform:translateY(-1px);
    }

    .btn-outline-light-ui{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      min-height:2.85rem;
      padding:.68rem 1.02rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
      font-weight:700;
      background:rgba(255,255,255,.04);
    }

    .btn-outline-light-ui:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
    }

    .notice-strip{
      display:flex;
      align-items:center;
      gap:.55rem;
      margin-top:.95rem;
      color:#b8c7da;
      font-size:.9rem;
    }

    .notice-strip i{
      color:#7dd3fc;
      flex:0 0 auto;
    }

    .faq-band{
      padding:1.5rem 0 0;
    }

    .accordion{
      --bs-accordion-border-color: var(--line);
      --bs-accordion-border-radius: var(--radius);
      --bs-accordion-btn-focus-border-color: rgba(37,99,235,.25);
      --bs-accordion-btn-focus-box-shadow: 0 0 0 .2rem rgba(37,99,235,.1);
      --bs-accordion-active-color: var(--text);
      --bs-accordion-active-bg: #f6faff;
      --bs-accordion-btn-padding-y: 1rem;
      --bs-accordion-btn-padding-x: 1rem;
      --bs-accordion-body-padding-y: 1rem;
      --bs-accordion-body-padding-x: 1rem;
    }

    .accordion-item{
      border-radius:var(--radius) !important;
      overflow:hidden;
      box-shadow:var(--shadow);
      margin-bottom:.85rem;
    }

    .accordion-button{
      font-weight:700;
      color:var(--text);
      background:#fff;
    }

    .accordion-button:not(.collapsed){
      box-shadow:none;
    }

    .accordion-body{
      color:var(--muted);
      background:#fff;
    }

    .site-footer{
      margin-top:2rem;
      padding:2rem 0 1.1rem;
      background:#0e172a;
      color:#d6e0ee;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr;
      gap:1rem;
      padding-bottom:1.35rem;
      border-bottom:1px solid rgba(255,255,255,.08);
    }

    .footer-brand{
      font-size:1.08rem;
      font-weight:800;
      margin-bottom:.65rem;
      color:#fff;
    }

    .footer-text{
      margin:0;
      color:#b9c7d8;
      max-width:34rem;
      font-size:.93rem;
    }

    .footer-title{
      font-size:.95rem;
      font-weight:800;
      color:#fff;
      margin-bottom:.7rem;
    }

    .footer-links{
      display:grid;
      gap:.5rem;
    }

    .footer-links a{
      color:#c6d4e5;
      font-size:.93rem;
    }

    .footer-links a:hover{
      color:#fff;
    }

    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:.6rem 1rem;
      padding-top:1rem;
      color:#a9b7c9;
      font-size:.88rem;
    }

    @media (max-width: 1199.98px){
      .hero-shell,
      .mix-grid,
      .cta-inner{
        grid-template-columns:1fr;
      }
      .poster-canvas{
        min-height:400px;
      }
      .hero-footbar{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 991.98px){
      .navbar-collapse{
        margin-top:.85rem;
        padding:.8rem;
        background:#fff;
        border:1px solid var(--line);
        border-radius:var(--radius);
        box-shadow:var(--shadow);
      }
      .navbar-nav{
        align-items:stretch !important;
      }
      .nav-pill{
        width:100%;
        justify-content:flex-start;
      }
      .nav-cta{
        width:100%;
        margin-top:.7rem;
      }
      .tool-grid,
      .search-group,
      .compare-grid,
      .step-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }

    @media (max-width: 767.98px){
      .site-container{
        width:min(var(--container), calc(100% - 1.2rem));
      }
      .hero-section{
        padding:3.2rem 0 2.2rem;
      }
      .hero-title{
        max-width:none;
      }
      .hero-footbar{
        grid-template-columns:1fr;
      }
      .poster-grid{
        grid-template-columns:1fr;
      }
      .poster-stats{
        grid-template-columns:1fr;
      }
      .visual-mosaic{
        grid-template-columns:1fr;
      }
      .search-group{
        grid-template-columns:1fr;
      }
      .tool-side{
        margin-top:.75rem;
      }
      .cta-inner{
        padding:1.1rem;
      }
    }

    @media (max-width: 575.98px){
      .brand-sub{
        display:none;
      }
      .brand-text > span:first-child{
        font-size:.98rem;
      }
      .hero-title{
        font-size:1.8rem;
      }
      .section-title{
        font-size:1.25rem;
      }
      .btn-ui,
      .btn-light-ui,
      .btn-outline-light-ui,
      .nav-cta{
        width:100%;
      }
      .hero-actions{
        flex-direction:column;
      }
      .poster-canvas,
      .lead-visual{
        min-height:auto;
      }
      .lead-frame{
        min-height:auto;
      }
      .buzz-strip{
        grid-auto-columns:minmax(220px, 84%);
      }
      .footer-bottom{
        flex-direction:column;
      }
    }