/* roulang page: index */
:root {
      color-scheme: light;
      --color-ink: #172e46;
      --color-ink-soft: #36516d;
      --color-muted: #718399;
      --color-blue: #2879c8;
      --color-blue-dark: #1d5f9f;
      --color-blue-pale: #eaf4ff;
      --color-teal: #168b91;
      --color-coral: #e66c5d;
      --color-bg: #f3f8fd;
      --color-surface: #ffffff;
      --color-border: #dce7f1;
      --color-border-strong: #c7d8e8;
      --shadow-soft: 0 12px 34px rgba(30, 69, 105, 0.08);
      --shadow-hover: 0 18px 38px rgba(30, 69, 105, 0.14);
      --radius-card: 8px;
      --radius-panel: 14px;
      --container: 1200px;
      --header-height: 76px;
      --section-space: 76px;
      font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      font-synthesis: none;
      text-rendering: optimizeLegibility;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 92px;
    }

    body {
      margin: 0;
      color: var(--color-ink);
      background: var(--color-bg);
      font-size: 15px;
      line-height: 1.7;
      letter-spacing: 0;
    }

    body,
    button,
    input {
      font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

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

    button,
    input {
      color: inherit;
      font-size: inherit;
    }

    button {
      cursor: pointer;
    }

    button:focus-visible,
    input:focus-visible,
    a:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(40, 121, 200, 0.38);
      outline-offset: 3px;
    }

    .container {
      width: min(var(--container), calc(100% - 48px));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      z-index: 50;
      top: 0;
      height: var(--header-height);
      border-bottom: 1px solid rgba(220, 231, 241, 0.92);
      background: rgba(255, 255, 255, 0.96);
      box-shadow: 0 4px 18px rgba(25, 59, 92, 0.04);
      backdrop-filter: blur(14px);
    }

    .nav-shell {
      display: flex;
      width: min(var(--container), calc(100% - 48px));
      height: 100%;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      margin-inline: auto;
    }

    .brand {
      display: inline-flex;
      min-width: 0;
      align-items: center;
      gap: 11px;
      color: var(--color-ink);
      font-size: 17px;
      font-weight: 800;
      line-height: 1.25;
    }

    .brand-mark {
      display: grid;
      width: 40px;
      height: 40px;
      flex: 0 0 40px;
      place-items: center;
      border-radius: 8px;
      color: #fff;
      background: var(--color-blue);
      box-shadow: 0 6px 15px rgba(40, 121, 200, 0.24);
      font-size: 20px;
      font-weight: 800;
    }

    .nav-area {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .nav-link {
      display: inline-flex;
      min-height: 42px;
      align-items: center;
      padding: 0 14px;
      border-radius: 7px;
      color: var(--color-ink-soft);
      font-size: 14px;
      font-weight: 650;
      transition: color 180ms ease, background-color 180ms ease;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--color-blue-dark);
      background: var(--color-blue-pale);
    }

    .nav-link.is-active {
      color: var(--color-blue-dark);
      background: #edf5fc;
    }

    .nav-search {
      display: grid;
      width: 42px;
      height: 42px;
      place-items: center;
      border: 1px solid var(--color-border);
      border-radius: 8px;
      color: var(--color-blue-dark);
      background: #fff;
      transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
    }

    .nav-search:hover {
      transform: translateY(-1px);
      border-color: var(--color-blue);
      background: var(--color-blue-pale);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--color-border);
      border-radius: 8px;
      color: var(--color-ink);
      background: #fff;
    }

    .hero {
      position: relative;
      display: flex;
      min-height: 500px;
      align-items: center;
      overflow: hidden;
      color: #fff;
      background: #203d58;
    }

    .hero-image,
    .hero-shade {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
    }

    .hero-image {
      object-fit: cover;
      object-position: center 48%;
    }

    .hero-shade {
      background: rgba(12, 34, 56, 0.67);
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      width: min(880px, calc(100% - 48px));
      margin: 0 auto;
      padding: 58px 0 64px;
      text-align: center;
    }

    .hero-label {
      display: inline-flex;
      min-height: 32px;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 5px 12px;
      border: 1px solid rgba(255, 255, 255, 0.35);
      border-radius: 20px;
      color: #f3f8fc;
      background: rgba(255, 255, 255, 0.1);
      font-size: 12px;
      font-weight: 700;
    }

    .hero-label-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #72d7cc;
    }

    .hero h1 {
      max-width: 850px;
      margin: 0 auto;
      color: #fff;
      font-size: 48px;
      font-weight: 850;
      line-height: 1.2;
      letter-spacing: 0;
    }

    .hero h1 span {
      color: #8edfd5;
    }

    .hero-lead {
      max-width: 800px;
      margin: 18px auto 25px;
      color: rgba(255, 255, 255, 0.88);
      font-size: 16px;
      line-height: 1.9;
    }

    .hero-search {
      display: flex;
      width: min(680px, 100%);
      min-height: 60px;
      align-items: center;
      gap: 10px;
      margin: 0 auto;
      padding: 7px 8px 7px 18px;
      border: 1px solid rgba(255, 255, 255, 0.58);
      border-radius: 9px;
      background: #fff;
      box-shadow: 0 16px 42px rgba(7, 24, 42, 0.2);
    }

    .hero-search-icon {
      flex: 0 0 auto;
      color: #778ba1;
    }

    .hero-search input {
      width: 100%;
      min-width: 0;
      height: 44px;
      border: 0;
      outline: 0;
      color: var(--color-ink);
      background: transparent;
      font-size: 15px;
    }

    .hero-search input::placeholder {
      color: #8999aa;
    }

    .button {
      display: inline-flex;
      min-height: 44px;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 18px;
      border: 1px solid transparent;
      border-radius: 7px;
      font-size: 14px;
      font-weight: 750;
      line-height: 1.2;
      transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
    }

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

    .button-primary {
      color: #fff;
      background: var(--color-blue);
      box-shadow: 0 6px 15px rgba(40, 121, 200, 0.2);
    }

    .button-primary:hover {
      background: var(--color-blue-dark);
      box-shadow: 0 9px 18px rgba(40, 121, 200, 0.24);
    }

    .button-light {
      color: var(--color-blue-dark);
      background: #fff;
    }

    .button-light:hover {
      color: #164c7b;
      background: #eaf4ff;
    }

    .hero .button-primary {
      min-width: 108px;
      color: var(--color-blue-dark);
      background: #dff4f1;
      box-shadow: none;
    }

    .hero .button-primary:hover {
      background: #c9eeea;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 18px;
    }

    .hero-secondary {
      display: inline-flex;
      min-height: 42px;
      align-items: center;
      justify-content: center;
      padding: 0 16px;
      border: 1px solid rgba(255, 255, 255, 0.42);
      border-radius: 7px;
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
      font-size: 14px;
      font-weight: 700;
      transition: background-color 180ms ease, border-color 180ms ease;
    }

    .hero-secondary:hover {
      border-color: rgba(255, 255, 255, 0.72);
      background: rgba(255, 255, 255, 0.17);
    }

    .search-feedback {
      min-height: 25px;
      margin: 10px auto 0;
      color: #edf7ff;
      font-size: 13px;
    }

    .section {
      padding: var(--section-space) 0;
      background: var(--color-bg);
    }

    .section-white {
      background: #fff;
    }

    .section-soft {
      background: #eaf4fc;
    }

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

    .section-heading {
      max-width: 780px;
    }

    .eyebrow {
      display: inline-block;
      margin-bottom: 8px;
      color: var(--color-blue);
      font-size: 12px;
      font-weight: 800;
    }

    .section-head h2 {
      margin: 0;
      color: var(--color-ink);
      font-size: 30px;
      font-weight: 800;
      line-height: 1.35;
    }

    .section-description {
      max-width: 790px;
      margin: 10px 0 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.85;
    }

    .text-link {
      display: inline-flex;
      min-height: 40px;
      flex: 0 0 auto;
      align-items: center;
      gap: 7px;
      padding: 0 12px;
      border: 1px solid var(--color-border);
      border-radius: 7px;
      color: var(--color-blue-dark);
      background: #fff;
      font-size: 13px;
      font-weight: 750;
      transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
    }

    .text-link:hover {
      transform: translateY(-1px);
      border-color: #a9c8e4;
      background: var(--color-blue-pale);
    }

    .quick-section {
      padding: 38px 0;
      border-bottom: 1px solid var(--color-border);
      background: #fff;
    }

    .quick-layout {
      display: grid;
      grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.5fr);
      align-items: center;
      gap: 34px;
    }

    .quick-title {
      margin: 0;
      color: var(--color-ink);
      font-size: 20px;
      font-weight: 800;
      line-height: 1.45;
    }

    .quick-copy {
      margin: 7px 0 0;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.75;
    }

    .quick-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 10px;
    }

    .tag-button {
      display: inline-flex;
      min-height: 38px;
      align-items: center;
      padding: 0 14px;
      border: 1px solid var(--color-border);
      border-radius: 20px;
      color: var(--color-ink-soft);
      background: #fff;
      font-size: 13px;
      font-weight: 650;
      transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
    }

    .tag-button:hover,
    .tag-button.is-selected {
      border-color: #9dc5e8;
      color: var(--color-blue-dark);
      background: var(--color-blue-pale);
    }

    .category-grid {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 14px;
    }

    .category-card {
      position: relative;
      display: flex;
      min-height: 174px;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      padding: 19px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-soft);
      transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
    }

    .category-card::after {
      position: absolute;
      right: -18px;
      bottom: -24px;
      width: 86px;
      height: 86px;
      border: 13px solid rgba(40, 121, 200, 0.08);
      border-radius: 50%;
      content: "";
      pointer-events: none;
    }

    .category-card:hover {
      transform: translateY(-3px);
      border-color: #b5d0e7;
      box-shadow: var(--shadow-hover);
    }

    .category-index {
      color: #8ba2b7;
      font-size: 12px;
      font-weight: 750;
    }

    .category-card h3 {
      margin: 20px 0 6px;
      color: var(--color-ink);
      font-size: 17px;
      font-weight: 800;
    }

    .category-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 12px;
      line-height: 1.7;
    }

    .category-arrow {
      position: absolute;
      right: 15px;
      bottom: 15px;
      display: grid;
      width: 27px;
      height: 27px;
      place-items: center;
      border-radius: 50%;
      color: var(--color-blue-dark);
      background: var(--color-blue-pale);
    }

    .media-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 20px;
    }

    .media-grid-featured {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .media-card {
      min-width: 0;
      overflow: hidden;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-soft);
      transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
    }

    .media-card:hover {
      transform: translateY(-3px);
      border-color: #b6d0e6;
      box-shadow: var(--shadow-hover);
    }

    .media-poster {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      background: #dbe8f2;
    }

    .media-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 350ms ease;
    }

    .media-card:hover .media-poster img {
      transform: scale(1.035);
    }

    .media-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      display: inline-flex;
      min-height: 25px;
      align-items: center;
      padding: 2px 9px;
      border: 1px solid rgba(255, 255, 255, 0.5);
      border-radius: 5px;
      color: #fff;
      background: rgba(23, 46, 70, 0.75);
      font-size: 11px;
      font-weight: 750;
      backdrop-filter: blur(8px);
    }

    .save-button {
      position: absolute;
      top: 10px;
      right: 10px;
      display: grid;
      width: 35px;
      height: 35px;
      place-items: center;
      border: 1px solid rgba(255, 255, 255, 0.55);
      border-radius: 50%;
      color: #fff;
      background: rgba(23, 46, 70, 0.62);
      transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
    }

    .save-button:hover {
      transform: scale(1.06);
      background: rgba(23, 46, 70, 0.86);
    }

    .save-button.is-saved {
      color: #fff;
      background: var(--color-coral);
    }

    .media-content {
      padding: 15px 15px 16px;
    }

    .media-title-row {
      display: flex;
      min-width: 0;
      align-items: flex-start;
      justify-content: space-between;
      gap: 9px;
    }

    .media-title {
      min-width: 0;
      margin: 0;
      color: var(--color-ink);
      font-size: 15px;
      font-weight: 800;
      line-height: 1.5;
    }

    .media-rating {
      display: inline-flex;
      flex: 0 0 auto;
      align-items: center;
      gap: 4px;
      color: #d47739;
      font-size: 12px;
      font-weight: 800;
    }

    .media-summary {
      min-height: 43px;
      margin: 8px 0 12px;
      color: var(--color-muted);
      font-size: 12px;
      line-height: 1.75;
    }

    .media-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      padding-top: 10px;
      border-top: 1px solid #edf2f6;
      color: #73869a;
      font-size: 11px;
    }

    .media-meta-label {
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .media-meta-label::before {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-teal);
      content: "";
    }

    .result-empty {
      display: none;
      grid-column: 1 / -1;
      padding: 26px;
      border: 1px dashed var(--color-border-strong);
      border-radius: var(--radius-card);
      color: var(--color-muted);
      background: rgba(255, 255, 255, 0.76);
      text-align: center;
    }

    .media-grid.has-no-results .result-empty {
      display: block;
    }

    .media-card[hidden] {
      display: none;
    }

    .ranking-panel {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0 38px;
      padding: 12px 28px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-panel);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

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

    .ranking-item {
      display: grid;
      min-height: 66px;
      grid-template-columns: 32px minmax(0, 1fr) auto;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid #edf2f6;
    }

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

    .rank-number {
      display: grid;
      width: 28px;
      height: 28px;
      place-items: center;
      border-radius: 6px;
      color: #66809a;
      background: #eff4f8;
      font-size: 12px;
      font-weight: 850;
    }

    .ranking-item:nth-child(1) .rank-number,
    .ranking-list:nth-child(2) .ranking-item:nth-child(1) .rank-number {
      color: #fff;
      background: var(--color-coral);
    }

    .ranking-main {
      min-width: 0;
    }

    .ranking-title {
      overflow: hidden;
      margin: 0;
      color: var(--color-ink);
      font-size: 14px;
      font-weight: 750;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .ranking-category {
      display: inline-block;
      margin-top: 2px;
      color: var(--color-muted);
      font-size: 11px;
    }

    .ranking-stats {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--color-muted);
      font-size: 11px;
      white-space: nowrap;
    }

    .ranking-score {
      color: #cf7438;
      font-weight: 800;
    }

    .resource-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
      align-items: stretch;
      gap: 24px;
    }

    .resource-feature {
      position: relative;
      display: flex;
      min-height: 310px;
      flex-direction: column;
      justify-content: flex-end;
      overflow: hidden;
      padding: 28px;
      border-radius: var(--radius-panel);
      color: #fff;
      background: #285477;
      isolation: isolate;
    }

    .resource-feature img {
      position: absolute;
      z-index: -2;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .resource-feature::after {
      position: absolute;
      z-index: -1;
      inset: 0;
      background: rgba(12, 37, 59, 0.61);
      content: "";
    }

    .resource-feature h3 {
      max-width: 420px;
      margin: 0 0 10px;
      font-size: 25px;
      font-weight: 800;
      line-height: 1.35;
    }

    .resource-feature p {
      max-width: 460px;
      margin: 0;
      color: rgba(255, 255, 255, 0.87);
      font-size: 13px;
      line-height: 1.8;
    }

    .resource-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 13px;
    }

    .resource-item {
      display: flex;
      min-height: 145px;
      flex-direction: column;
      justify-content: space-between;
      padding: 18px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      background: #fff;
      transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
    }

    .resource-item:hover {
      transform: translateY(-2px);
      border-color: #b4cee5;
      box-shadow: var(--shadow-soft);
    }

    .resource-icon {
      display: grid;
      width: 34px;
      height: 34px;
      place-items: center;
      border-radius: 7px;
      color: var(--color-blue-dark);
      background: var(--color-blue-pale);
    }

    .resource-item h3 {
      margin: 12px 0 4px;
      color: var(--color-ink);
      font-size: 14px;
      font-weight: 800;
    }

    .resource-item p {
      margin: 0;
      color: var(--color-muted);
      font-size: 12px;
      line-height: 1.65;
    }

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

    .news-item {
      display: grid;
      min-width: 0;
      grid-template-columns: 104px minmax(0, 1fr);
      align-items: center;
      gap: 15px;
      padding: 12px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-soft);
      transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
    }

    .news-item:hover {
      transform: translateY(-2px);
      border-color: #b7d0e6;
      box-shadow: var(--shadow-hover);
    }

    .news-item img {
      width: 104px;
      height: 82px;
      border-radius: 6px;
      object-fit: cover;
    }

    .news-date {
      color: var(--color-blue);
      font-size: 11px;
      font-weight: 750;
    }

    .news-item h3 {
      margin: 5px 0 0;
      color: var(--color-ink);
      font-size: 13px;
      font-weight: 750;
      line-height: 1.55;
    }

    .favorites-section {
      padding: 54px 0;
      border-top: 1px solid #dceaf5;
      border-bottom: 1px solid #dceaf5;
      background: #eaf4fc;
    }

    .favorites-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
      align-items: center;
      gap: 34px;
    }

    .favorites-title {
      margin: 0;
      color: var(--color-ink);
      font-size: 25px;
      font-weight: 800;
      line-height: 1.35;
    }

    .favorites-copy {
      margin: 10px 0 0;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.8;
    }

    .favorite-list {
      display: flex;
      min-height: 82px;
      flex-wrap: wrap;
      align-content: center;
      gap: 9px;
      margin: 0;
      padding: 14px;
      border: 1px solid #d7e6f2;
      border-radius: var(--radius-card);
      background: rgba(255, 255, 255, 0.8);
      list-style: none;
    }

    .favorite-list li {
      display: inline-flex;
      min-height: 32px;
      align-items: center;
      padding: 4px 11px;
      border: 1px solid #e1eaf1;
      border-radius: 18px;
      color: var(--color-ink-soft);
      background: #fff;
      font-size: 12px;
      font-weight: 650;
    }

    .favorite-list .favorite-empty {
      border: 0;
      color: var(--color-muted);
      background: transparent;
      font-weight: 500;
    }

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

    .principle-item {
      display: grid;
      grid-template-columns: 42px minmax(0, 1fr);
      align-items: start;
      gap: 14px;
      padding: 20px 0;
      border-top: 1px solid var(--color-border-strong);
    }

    .principle-number {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      border-radius: 8px;
      color: var(--color-blue-dark);
      background: var(--color-blue-pale);
      font-size: 13px;
      font-weight: 850;
    }

    .principle-item h3 {
      margin: 0 0 6px;
      color: var(--color-ink);
      font-size: 15px;
      font-weight: 800;
    }

    .principle-item p {
      margin: 0;
      color: var(--color-muted);
      font-size: 12px;
      line-height: 1.8;
    }

    .comparison-panel {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      overflow: hidden;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-panel);
      background: #fff;
      box-shadow: var(--shadow-soft);
    }

    .comparison-column {
      padding: 26px 30px;
    }

    .comparison-column + .comparison-column {
      border-left: 1px solid var(--color-border);
      background: #f5faff;
    }

    .comparison-column h3 {
      margin: 0 0 17px;
      color: var(--color-ink);
      font-size: 16px;
      font-weight: 800;
    }

    .comparison-list {
      display: grid;
      gap: 13px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .comparison-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--color-ink-soft);
      font-size: 13px;
      line-height: 1.7;
    }

    .comparison-mark {
      display: grid;
      width: 21px;
      height: 21px;
      flex: 0 0 21px;
      place-items: center;
      border-radius: 50%;
      color: var(--color-blue-dark);
      background: #deedf9;
      font-size: 12px;
      font-weight: 850;
    }

    .comparison-column:first-child .comparison-mark {
      color: #8a99a8;
      background: #eef2f5;
    }

    .faq-list {
      display: grid;
      gap: 10px;
      max-width: 920px;
    }

    .faq-item {
      overflow: hidden;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: 0 5px 16px rgba(30, 69, 105, 0.04);
    }

    .faq-item summary {
      display: flex;
      min-height: 62px;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 16px 20px;
      color: var(--color-ink);
      font-size: 14px;
      font-weight: 750;
      cursor: pointer;
      list-style: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      display: grid;
      width: 25px;
      height: 25px;
      flex: 0 0 25px;
      place-items: center;
      border-radius: 50%;
      color: var(--color-blue-dark);
      background: var(--color-blue-pale);
      content: "+";
      font-size: 17px;
      line-height: 1;
      transition: transform 180ms ease;
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }

    .faq-answer {
      margin: 0;
      padding: 0 20px 18px;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.85;
    }

    .sticky-cta {
      position: fixed;
      z-index: 45;
      right: 0;
      bottom: 0;
      left: 0;
      display: flex;
      min-height: 68px;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      border-top: 1px solid var(--color-border);
      background: rgba(255, 255, 255, 0.97);
      box-shadow: 0 -8px 24px rgba(24, 54, 82, 0.09);
      opacity: 0;
      pointer-events: none;
      transform: translateY(100%);
      transition: opacity 220ms ease, transform 220ms ease;
      backdrop-filter: blur(12px);
    }

    .sticky-cta.is-visible {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    .sticky-cta-inner {
      display: flex;
      width: min(var(--container), 100%);
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .sticky-cta-copy {
      color: var(--color-ink);
      font-size: 14px;
      font-weight: 750;
    }

    .sticky-cta-copy span {
      margin-left: 8px;
      color: var(--color-muted);
      font-size: 12px;
      font-weight: 500;
    }

    .site-footer {
      padding: 50px 0 24px;
      color: #d7e4ef;
      background: #17334d;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 34px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 16px;
      font-weight: 800;
    }

    .footer-brand .brand-mark {
      width: 36px;
      height: 36px;
      flex-basis: 36px;
      background: #2879c8;
      box-shadow: none;
      font-size: 18px;
    }

    .footer-intro {
      max-width: 310px;
      margin: 14px 0 0;
      color: #aabdd0;
      font-size: 12px;
      line-height: 1.85;
    }

    .footer-column h2 {
      margin: 3px 0 13px;
      color: #fff;
      font-size: 13px;
      font-weight: 800;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .footer-links a {
      color: #b6c6d5;
      font-size: 12px;
      transition: color 160ms ease;
    }

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

    .footer-age {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 15px;
      padding: 6px 9px;
      border: 1px solid rgba(214, 228, 240, 0.2);
      border-radius: 5px;
      color: #d7e4ef;
      font-size: 11px;
    }

    .footer-age strong {
      color: #ffb3a4;
      font-size: 12px;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding-top: 19px;
      border-top: 1px solid rgba(214, 228, 240, 0.16);
      color: #95aabd;
      font-size: 11px;
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-domain {
      color: #b8c9d8;
    }

    @media (max-width: 1024px) {
      :root {
        --section-space: 64px;
      }

      .category-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .media-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .media-grid-featured {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

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

      .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr;
      }

      .footer-brand-column {
        grid-row: span 2;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-height: 68px;
        --section-space: 54px;
      }

      .container,
      .nav-shell {
        width: min(100% - 36px, var(--container));
      }

      .brand {
        gap: 9px;
        font-size: 15px;
      }

      .brand-mark {
        width: 36px;
        height: 36px;
        flex-basis: 36px;
        font-size: 18px;
      }

      .nav-area {
        gap: 9px;
      }

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

      .nav-list {
        position: absolute;
        top: calc(100% + 1px);
        right: 18px;
        left: 18px;
        display: none;
        align-items: stretch;
        gap: 5px;
        padding: 10px;
        border: 1px solid var(--color-border);
        border-radius: 8px;
        background: #fff;
        box-shadow: var(--shadow-hover);
      }

      .nav-list.is-open {
        display: flex;
        flex-direction: column;
      }

      .nav-link {
        min-height: 44px;
      }

      .hero {
        min-height: 490px;
      }

      .hero-inner {
        width: min(100% - 36px, 720px);
        padding: 48px 0 54px;
      }

      .hero h1 {
        font-size: 40px;
      }

      .hero-lead {
        font-size: 14px;
        line-height: 1.85;
      }

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

      .section-head h2 {
        font-size: 26px;
      }

      .quick-layout {
        grid-template-columns: 1fr;
        gap: 17px;
      }

      .quick-tags {
        justify-content: flex-start;
      }

      .media-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 15px;
      }

      .media-grid-featured {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .ranking-panel {
        gap: 0 20px;
        padding: 10px 18px;
      }

      .resource-layout {
        grid-template-columns: 1fr;
      }

      .resource-feature {
        min-height: 245px;
      }

      .favorites-layout {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .principle-grid {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .principle-item {
        padding: 16px 0;
      }

      .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 30px 24px;
      }

      .footer-brand-column {
        grid-row: auto;
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 520px) {
      :root {
        --section-space: 46px;
      }

      body {
        font-size: 14px;
      }

      .container,
      .nav-shell {
        width: calc(100% - 30px);
      }

      .brand {
        max-width: calc(100% - 104px);
        font-size: 13px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
      }

      .nav-search,
      .menu-toggle {
        width: 38px;
        height: 38px;
      }

      .hero {
        min-height: 525px;
      }

      .hero-inner {
        width: calc(100% - 30px);
        padding: 42px 0 46px;
      }

      .hero h1 {
        font-size: 32px;
        line-height: 1.3;
      }

      .hero-lead {
        margin-top: 15px;
        margin-bottom: 21px;
        font-size: 13px;
      }

      .hero-search {
        min-height: 56px;
        gap: 7px;
        padding-left: 12px;
      }

      .hero-search input {
        font-size: 13px;
      }

      .hero-search .button {
        min-width: 76px;
        padding: 0 11px;
      }

      .hero-actions {
        gap: 8px;
      }

      .hero-secondary {
        min-height: 39px;
        padding: 0 12px;
        font-size: 12px;
      }

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

      .section-head h2 {
        font-size: 23px;
      }

      .section-description {
        font-size: 13px;
      }

      .section-head > .text-link {
        margin-top: 15px;
      }

      .quick-section {
        padding: 28px 0;
      }

      .quick-title {
        font-size: 18px;
      }

      .quick-copy {
        font-size: 12px;
      }

      .tag-button {
        min-height: 35px;
        padding: 0 11px;
        font-size: 12px;
      }

      .category-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
      }

      .category-card {
        min-height: 158px;
        padding: 15px;
      }

      .category-card h3 {
        margin-top: 15px;
        font-size: 15px;
      }

      .category-card p {
        font-size: 11px;
      }

      .media-grid,
      .media-grid-featured {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
      }

      .media-content {
        padding: 11px;
      }

      .media-title {
        font-size: 13px;
      }

      .media-rating {
        gap: 2px;
        font-size: 10px;
      }

      .media-summary {
        min-height: 52px;
        margin: 7px 0 9px;
        font-size: 11px;
      }

      .media-meta {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
        font-size: 10px;
      }

      .media-badge {
        top: 8px;
        left: 8px;
        min-height: 23px;
        padding: 2px 7px;
        font-size: 10px;
      }

      .save-button {
        top: 7px;
        right: 7px;
        width: 31px;
        height: 31px;
      }

      .ranking-panel {
        grid-template-columns: 1fr;
        padding: 8px 14px;
      }

      .ranking-item {
        min-height: 61px;
      }

      .ranking-list + .ranking-list .ranking-item:first-child {
        border-top: 1px solid #edf2f6;
      }

      .ranking-stats {
        gap: 8px;
      }

      .resource-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 9px;
      }

      .resource-item {
        min-height: 153px;
        padding: 14px;
      }

      .resource-item h3 {
        font-size: 13px;
      }

      .resource-item p {
        font-size: 11px;
      }

      .news-grid {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .news-item {
        grid-template-columns: 92px minmax(0, 1fr);
        gap: 12px;
        padding: 10px;
      }

      .news-item img {
        width: 92px;
        height: 72px;
      }

      .news-item h3 {
        font-size: 12px;
      }

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

      .favorites-title {
        font-size: 22px;
      }

      .comparison-panel {
        grid-template-columns: 1fr;
      }

      .comparison-column {
        padding: 21px;
      }

      .comparison-column + .comparison-column {
        border-top: 1px solid var(--color-border);
        border-left: 0;
      }

      .faq-item summary {
        min-height: 57px;
        padding: 14px;
        font-size: 13px;
      }

      .faq-answer {
        padding: 0 14px 15px;
        font-size: 12px;
      }

      .sticky-cta {
        min-height: 62px;
        padding: 8px 15px;
      }

      .sticky-cta-inner {
        gap: 12px;
      }

      .sticky-cta-copy {
        font-size: 12px;
      }

      .sticky-cta-copy span {
        display: none;
      }

      .sticky-cta .button {
        min-height: 40px;
        padding: 0 12px;
        font-size: 12px;
      }

      .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 27px 16px;
      }

      .site-footer {
        padding-top: 40px;
      }

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

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
      }
    }

/* roulang page: category1 */
:root{color-scheme:light;--color-ink:#172e46;--color-ink-soft:#36516d;--color-muted:#718399;--color-blue:#2879c8;--color-blue-dark:#1d5f9f;--color-blue-pale:#eaf4ff;--color-teal:#168b91;--color-coral:#e66c5d;--color-bg:#f3f8fd;--color-surface:#fff;--color-border:#dce7f1;--color-border-strong:#c7d8e8;--shadow-soft:0 12px 34px rgba(30,69,105,.08);--shadow-hover:0 18px 38px rgba(30,69,105,.14);--radius-card:8px;--radius-panel:14px;--container:1200px;--header-height:76px;font-family:Inter,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;color:var(--color-ink);background:var(--color-bg);font-size:15px;line-height:1.7;letter-spacing:0}
body,button,input{font-family:Inter,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{color:inherit;font-size:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(40,121,200,.38);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
.site-header{position:sticky;z-index:50;top:0;height:var(--header-height);border-bottom:1px solid rgba(220,231,241,.92);background:rgba(255,255,255,.96);box-shadow:0 4px 18px rgba(25,59,92,.04);backdrop-filter:blur(14px)}
.nav-shell{display:flex;width:min(var(--container),calc(100% - 48px));height:100%;align-items:center;justify-content:space-between;gap:28px;margin-inline:auto}
.brand{display:inline-flex;min-width:0;align-items:center;gap:11px;color:var(--color-ink);font-size:17px;font-weight:800;line-height:1.25}
.brand-mark{display:grid;width:40px;height:40px;flex:0 0 40px;place-items:center;border-radius:8px;color:#fff;background:var(--color-blue);box-shadow:0 6px 15px rgba(40,121,200,.24);font-size:20px;font-weight:800}
.nav-area{display:flex;align-items:center;gap:24px}
.nav-list{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
.nav-link{display:inline-flex;min-height:42px;align-items:center;padding:0 14px;border-radius:7px;color:var(--color-ink-soft);font-size:14px;font-weight:650;transition:color .18s ease,background-color .18s ease}
.nav-link:hover,.nav-link:focus-visible{color:var(--color-blue-dark);background:var(--color-blue-pale)}
.nav-link.is-active{color:var(--color-blue-dark);background:#edf5fc}
.nav-search,.menu-toggle{display:grid;width:42px;height:42px;place-items:center;border:1px solid var(--color-border);border-radius:8px;color:var(--color-blue-dark);background:#fff;transition:border-color .18s ease,background-color .18s ease,transform .18s ease}
.nav-search:hover,.menu-toggle:hover{transform:translateY(-1px);border-color:var(--color-blue);background:var(--color-blue-pale)}
.menu-toggle{display:none}
.page-hero{padding:72px 0 62px;background:#eaf4ff;border-bottom:1px solid var(--color-border)}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:17px;color:var(--color-blue-dark);font-size:13px;font-weight:800;letter-spacing:.03em}
.eyebrow:before{display:block;width:26px;height:3px;border-radius:3px;background:var(--color-coral);content:""}
.page-hero h1{max-width:650px;margin:0;color:var(--color-ink);font-size:clamp(36px,5vw,58px);line-height:1.18}
.page-hero h1 span{color:var(--color-blue)}
.page-hero-lead{max-width:650px;margin:20px 0 0;color:var(--color-ink-soft);font-size:17px;line-height:1.9}
.hero-panel{padding:26px;border:1px solid rgba(199,216,232,.8);border-radius:var(--radius-panel);background:#fff;box-shadow:var(--shadow-soft)}
.panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--color-border)}
.panel-title{margin:0;font-size:16px}
.live-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:20px;color:#14766e;background:#e4f7f3;font-size:12px;font-weight:800}
.live-badge:before{width:7px;height:7px;border-radius:50%;background:#22a98d;content:""}
.panel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:21px}
.panel-stat{padding:14px 10px;border-radius:8px;background:#f5f9fc;text-align:center}
.panel-stat strong{display:block;color:var(--color-blue-dark);font-size:25px;line-height:1.2}
.panel-stat span{display:block;margin-top:4px;color:var(--color-muted);font-size:12px}
.panel-note{margin:21px 0 0;padding:13px 15px;border-left:3px solid var(--color-teal);color:var(--color-ink-soft);background:#f5fbfb;font-size:13px}
.section{padding:var(--section-space) 0}
.section-white{background:#fff}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}
.section-heading h2{margin:0;font-size:30px;line-height:1.25}
.section-heading p{max-width:570px;margin:0;color:var(--color-muted)}
.section-kicker{margin:0 0 8px;color:var(--color-blue);font-size:12px;font-weight:800;letter-spacing:.08em}
.index-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:34px;align-items:start}
.index-nav{position:sticky;top:96px;padding:18px;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:#fff;box-shadow:var(--shadow-soft)}
.index-nav h2{margin:0 0 12px;font-size:17px}
.index-nav a{display:flex;align-items:center;justify-content:space-between;padding:11px 12px;border-radius:7px;color:var(--color-ink-soft);font-size:14px;transition:background .18s ease,color .18s ease}
.index-nav a:hover,.index-nav a.is-current{color:var(--color-blue-dark);background:var(--color-blue-pale)}
.index-nav a span{color:var(--color-muted);font-size:12px}
.category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.category-card{position:relative;display:flex;min-height:150px;flex-direction:column;justify-content:space-between;padding:22px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.category-card:hover{transform:translateY(-4px);border-color:#a9cce8;box-shadow:var(--shadow-hover)}
.category-card:after{position:absolute;right:22px;top:22px;width:30px;height:30px;border-radius:50%;background:var(--color-blue-pale);content:"↗";color:var(--color-blue-dark);text-align:center;line-height:30px;font-weight:800}
.category-card h3{margin:0 45px 9px 0;font-size:20px}
.category-card p{margin:0;color:var(--color-muted);font-size:13px;line-height:1.8}
.category-meta{display:flex;gap:8px;margin-top:17px;color:var(--color-blue-dark);font-size:12px;font-weight:700}
.category-meta span{padding:3px 8px;border-radius:4px;background:#f1f7fc}
.featured-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.featured-card{position:relative;min-height:370px;overflow:hidden;border-radius:var(--radius-panel);background:#1c3851;box-shadow:var(--shadow-soft)}
.featured-card img{width:100%;height:100%;object-fit:cover;opacity:.8;transition:transform .4s ease}
.featured-card:hover img{transform:scale(1.04)}
.featured-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:end;padding:30px;background:linear-gradient(0deg,rgba(13,35,54,.9),rgba(13,35,54,0) 70%)}
.featured-overlay h3{max-width:600px;margin:0;color:#fff;font-size:30px;line-height:1.3}
.featured-overlay p{max-width:560px;margin:10px 0 0;color:rgba(255,255,255,.78)}
.featured-side{display:grid;gap:16px}
.mini-feature{display:grid;grid-template-columns:132px 1fr;min-height:177px;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-soft)}
.mini-feature img{width:100%;height:100%;object-fit:cover}
.mini-feature-content{padding:18px}
.mini-feature h3{margin:0 0 8px;font-size:18px;line-height:1.4}
.mini-feature p{margin:0;color:var(--color-muted);font-size:13px}
.tag{display:inline-flex;align-items:center;padding:4px 8px;border-radius:4px;color:var(--color-blue-dark);background:var(--color-blue-pale);font-size:11px;font-weight:800}
.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.content-card{overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.content-card img{width:100%;height:178px;object-fit:cover}
.content-body{padding:17px}
.content-body h3{margin:0 0 7px;font-size:17px;line-height:1.45}
.content-body p{margin:0;color:var(--color-muted);font-size:13px;line-height:1.75}
.content-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px;color:var(--color-muted);font-size:12px}
.rating{color:#c87928;font-weight:800}
.ranking-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px}
.rank-list{margin:0;padding:0;list-style:none;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:#fff;box-shadow:var(--shadow-soft)}
.rank-item{display:grid;grid-template-columns:48px minmax(0,1fr) 90px 55px;align-items:center;gap:15px;padding:15px 20px;border-bottom:1px solid var(--color-border)}
.rank-item:last-child{border-bottom:0}
.rank-number{color:var(--color-muted);font-size:20px;font-weight:800}
.rank-item:nth-child(-n+3) .rank-number{color:var(--color-coral)}
.rank-name{min-width:0}
.rank-name strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}
.rank-name span{display:inline-block;margin-top:4px;padding:2px 6px;border-radius:3px;color:var(--color-blue-dark);background:var(--color-blue-pale);font-size:11px}
.rank-hot{color:var(--color-teal);font-size:12px;font-weight:750}
.rank-score{color:#c87928;font-weight:800;text-align:right}
.quote-panel{padding:28px;border-radius:var(--radius-panel);color:#fff;background:#214765;box-shadow:var(--shadow-soft)}
.quote-panel blockquote{margin:0;font-size:22px;line-height:1.6;font-weight:700}
.quote-panel p{margin:18px 0 0;color:rgba(255,255,255,.72);font-size:13px}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
.news-item{display:grid;grid-template-columns:112px minmax(0,1fr);gap:15px;padding:12px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#fff;transition:border-color .18s ease,transform .18s ease}
.news-item:hover{transform:translateY(-2px);border-color:#a9cce8}
.news-item img{width:112px;height:86px;border-radius:6px;object-fit:cover}
.news-item h3{margin:2px 0 7px;font-size:15px;line-height:1.45}
.news-item time{color:var(--color-muted);font-size:12px}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.faq-item{padding:18px 20px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:#fff}
.faq-item summary{cursor:pointer;list-style:none;font-weight:750}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{float:right;color:var(--color-blue);content:"+";font-size:22px;line-height:1}
.faq-item[open] summary:after{content:"−"}
.faq-item p{margin:12px 0 0;color:var(--color-muted);font-size:13px}
.assurance{padding:30px 0;background:#edf7f7;border-top:1px solid #d6ecea;border-bottom:1px solid #d6ecea}
.assurance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.assurance-item{display:flex;gap:14px;align-items:flex-start}
.assurance-icon{display:grid;width:40px;height:40px;flex:0 0 40px;place-items:center;border-radius:8px;color:#fff;background:var(--color-teal);font-weight:800}
.assurance-item h3{margin:0 0 4px;font-size:16px}
.assurance-item p{margin:0;color:var(--color-muted);font-size:13px}
.site-footer{padding:56px 0 22px;color:#dce8f2;background:#18334c}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:42px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800}
.footer-brand .brand-mark{width:36px;height:36px;flex-basis:36px;font-size:18px}
.footer-intro{max-width:330px;margin:16px 0;color:#9fb4c5;font-size:13px;line-height:1.8}
.footer-age{display:flex;align-items:center;gap:10px;color:#a9c0d1;font-size:12px}
.footer-age strong{padding:2px 6px;border:1px solid #607b91;border-radius:4px;color:#fff;font-size:12px}
.footer-column h2{margin:0 0 14px;color:#fff;font-size:14px}
.footer-links{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.footer-links a{color:#a9bdcc;font-size:13px;transition:color .18s ease}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:18px;border-top:1px solid rgba(203,222,237,.18);color:#8fa8ba;font-size:12px}
.footer-bottom p{margin:0}
@media (max-width:1024px){.page-hero-grid,.featured-wrap,.ranking-layout{grid-template-columns:1fr}.featured-side{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:24px}}
@media (max-width:768px){:root{--header-height:68px;--section-space:46px}.container,.nav-shell{width:min(100% - 32px,var(--container))}.nav-area{gap:10px}.nav-list{display:none;position:absolute;top:calc(100% + 1px);left:16px;right:16px;padding:10px;border:1px solid var(--color-border);border-radius:10px;background:#fff;box-shadow:var(--shadow-hover)}.nav-list.is-open{display:grid}.nav-link{width:100%;padding:0 12px}.menu-toggle{display:grid}.nav-search{display:none}.page-hero{padding:52px 0 46px}.page-hero h1{font-size:40px}.index-layout{grid-template-columns:1fr}.index-nav{position:static;display:flex;align-items:center;gap:8px;overflow:auto;padding:9px}.index-nav h2{display:none}.index-nav a{flex:0 0 auto;padding:8px 11px}.category-grid,.content-grid,.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.assurance-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand-column{grid-column:1/-1}}
@media (max-width:520px){.page-hero-grid{gap:30px}.page-hero h1{font-size:34px}.page-hero-lead{font-size:15px}.panel-stats{gap:7px}.panel-stat{padding:11px 5px}.panel-stat strong{font-size:21px}.section-heading{display:block}.section-heading h2{font-size:25px}.section-heading p{margin-top:10px}.category-grid,.content-grid,.news-grid,.faq-grid{grid-template-columns:1fr}.featured-card{min-height:300px}.featured-overlay{padding:22px}.featured-overlay h3{font-size:24px}.featured-side{grid-template-columns:1fr}.mini-feature{min-height:130px}.mini-feature img{height:130px}.rank-item{grid-template-columns:34px minmax(0,1fr) 48px;padding:13px 14px;gap:9px}.rank-hot{display:none}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom p+p{margin-top:7px}}