:root {
      --theme: #0B3D91;
      --theme-token: {主题色};
      --theme-dark: #072b68;
      --theme-soft: #eaf1ff;
      --coral: #ef765f;
      --cream: #fffaf0;
      --ink: #24262b;
      --muted: #697386;
      --line: #e3e8f0;
      --white: #ffffff;
      --success: #138a62;
      --shadow: 0 18px 50px rgba(20, 35, 65, .1);
      --radius: 20px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: #f7f9fc;
      font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

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

    button {
      color: inherit;
    }

    .container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .topbar {
      color: rgba(255, 255, 255, .9);
      background: #071d40;
      font-size: 13px;
    }

    .topbar .container {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .topbar-links {
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .topbar a {
      transition: color .2s ease;
    }

    .topbar a:hover {
      color: #ffffff;
    }

    .header {
      position: relative;
      z-index: 100;
      background: rgba(255, 255, 255, .98);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 8px 24px rgba(15, 35, 70, .04);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      min-width: 0;
      color: var(--theme);
      font-size: 18px;
      font-weight: 800;
      letter-spacing: -.02em;
    }

    .logo img {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      border-radius: 12px;
      object-fit: contain;
      background: #ffffff;
    }

    .logo span {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .main-nav {
      flex: 1;
      align-self: stretch;
    }

    .nav-list {
      height: 100%;
      display: flex;
      align-items: stretch;
      justify-content: center;
      gap: 2px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .nav-item {
      position: relative;
      display: flex;
      align-items: stretch;
    }

    .nav-link {
      position: relative;
      display: flex;
      align-items: center;
      padding: 0 13px;
      color: #313844;
      font-size: 15px;
      font-weight: 700;
      white-space: nowrap;
      transition: color .2s ease;
    }

    .nav-link::after {
      position: absolute;
      right: 13px;
      bottom: 15px;
      left: 13px;
      height: 2px;
      border-radius: 2px;
      background: var(--coral);
      content: "";
      opacity: 0;
      transform: scaleX(.35);
      transition: .2s ease;
    }

    .nav-link:hover,
    .nav-item:focus-within > .nav-link {
      color: var(--theme);
    }

    .nav-link:hover::after,
    .nav-item:focus-within > .nav-link::after {
      opacity: 1;
      transform: scaleX(1);
    }

    .has-arrow {
      gap: 6px;
    }

    .has-arrow::before {
      width: 6px;
      height: 6px;
      margin-top: -4px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      content: "";
      order: 2;
      transform: rotate(45deg);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      visibility: hidden;
      padding-top: 1px;
      opacity: 0;
      pointer-events: none;
      transform: translateY(8px);
      transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
    }

    .dropdown-panel {
      left: 0;
      width: 320px;
    }

    .mega-menu {
      left: 50%;
      width: min(980px, calc(100vw - 34px));
      transform: translate(-50%, 8px);
    }

    .dropdown-panel::before,
    .mega-menu::before {
      position: absolute;
      right: 0;
      bottom: 100%;
      left: 0;
      height: 12px;
      content: "";
    }

    .nav-item:hover .dropdown-panel,
    .nav-item:focus-within .dropdown-panel {
      visibility: visible;
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    .nav-item:hover .mega-menu,
    .nav-item:focus-within .mega-menu {
      visibility: visible;
      opacity: 1;
      pointer-events: auto;
      transform: translate(-50%, 0);
    }

    .dropdown-inner,
    .mega-inner {
      overflow: hidden;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 0 0 18px 18px;
      box-shadow: 0 24px 60px rgba(10, 30, 65, .16);
    }

    .dropdown-inner {
      padding: 12px;
    }

    .dropdown-inner > a:not(.mega-footer) {
      display: block;
      padding: 10px 12px;
      border-radius: 9px;
      color: #3a4352;
      font-size: 14px;
      font-weight: 600;
    }

    .dropdown-inner > a:not(.mega-footer):hover {
      color: var(--theme);
      background: var(--theme-soft);
    }

    .mega-inner {
      padding: 22px;
    }

    .mega-heading {
      margin: 0 0 12px;
      color: var(--theme);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
    }

    .mega-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }

    .mega-card {
      min-width: 0;
      display: flex;
      align-items: center;
      gap: 11px;
      padding: 11px;
      border: 1px solid #edf0f5;
      border-radius: 12px;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }

    .mega-card:hover {
      border-color: #b9cbed;
      box-shadow: 0 10px 24px rgba(11, 61, 145, .09);
      transform: translateY(-2px);
    }

    .mega-card img {
      width: 48px;
      height: 48px;
      flex: 0 0 48px;
      border-radius: 10px;
      object-fit: contain;
      background: #f4f7fb;
    }

    .mega-card span {
      min-width: 0;
      display: flex;
      flex-direction: column;
    }

    .mega-card strong,
    .mega-card small {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mega-card strong {
      color: #273140;
      font-size: 14px;
    }

    .mega-card small {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.55;
    }

    .mega-columns {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 24px;
    }

    .mega-links {
      display: grid;
      gap: 6px;
    }

    .mega-links a {
      padding: 8px 10px;
      border-radius: 8px;
      color: #445064;
      font-size: 14px;
      font-weight: 600;
    }

    .mega-links a:hover {
      color: var(--theme);
      background: var(--theme-soft);
    }

    .mega-footer {
      display: block;
      margin-top: 15px;
      padding: 11px 14px;
      color: var(--theme);
      background: #f0f5ff;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 800;
      text-align: center;
    }

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

    .member-btn,
    .open-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 15px;
      border-radius: 10px;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

    .member-btn {
      color: var(--theme);
      background: var(--theme-soft);
    }

    .open-btn {
      color: #ffffff;
      background: var(--theme);
      box-shadow: 0 8px 20px rgba(11, 61, 145, .2);
    }

    .hamburger {
      width: 42px;
      height: 42px;
      display: none;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      padding: 0;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 10px;
      cursor: pointer;
    }

    .hamburger span {
      width: 19px;
      height: 2px;
      display: block;
      background: var(--ink);
      border-radius: 2px;
      transition: .2s ease;
    }

    .hamburger.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .drawer-overlay {
      position: fixed;
      z-index: 999;
      inset: 0;
      visibility: hidden;
      background: rgba(5, 17, 38, .56);
      opacity: 0;
      transition: .25s ease;
    }

    .drawer-overlay.open {
      visibility: visible;
      opacity: 1;
    }

    .mobile-drawer {
      position: fixed;
      z-index: 1000;
      top: 0;
      right: 0;
      bottom: 0;
      width: min(390px, 90vw);
      overflow-y: auto;
      background: #ffffff;
      box-shadow: -20px 0 60px rgba(8, 28, 60, .2);
      transform: translateX(105%);
      transition: transform .28s ease;
    }

    .mobile-drawer.open {
      transform: translateX(0);
    }

    .drawer-head {
      min-height: 72px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 18px;
      color: #ffffff;
      background: var(--theme);
    }

    .drawer-head strong {
      min-width: 0;
      flex: 1;
    }

    .drawer-head a {
      padding: 6px 12px;
      border: 1px solid rgba(255, 255, 255, .4);
      border-radius: 8px;
      font-size: 13px;
      font-weight: 700;
    }

    .drawer-close {
      width: 34px;
      height: 34px;
      padding: 0;
      color: #ffffff;
      background: transparent;
      border: 0;
      font-size: 28px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 14px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 13px 12px;
      background: transparent;
      border: 0;
      border-bottom: 1px solid #edf0f4;
      color: #2e3745;
      font-weight: 750;
      text-align: left;
      cursor: pointer;
    }

    .drawer-toggle::after {
      width: 8px;
      height: 8px;
      border-right: 2px solid #8290a4;
      border-bottom: 2px solid #8290a4;
      content: "";
      transform: rotate(45deg);
      transition: .2s ease;
    }

    .drawer-toggle.active {
      color: var(--theme);
    }

    .drawer-toggle.active::after {
      transform: rotate(225deg);
    }

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: #f7f9fc;
      transition: max-height .3s ease;
    }

    .drawer-submenu.open {
      max-height: 800px;
    }

    .drawer-submenu a {
      display: block;
      padding: 10px 18px;
      border-bottom: 1px solid #edf0f4;
      color: #556174;
      font-size: 14px;
    }

    .drawer-submenu a:hover {
      color: var(--theme);
    }

    .tool-detail-page {
      min-width: 0;
    }

    .tool-detail-page .tool-hero {
      position: relative;
      overflow: hidden;
      padding: 62px 0 88px;
      color: #ffffff;
      background:
        radial-gradient(circle at 14% 20%, rgba(239, 118, 95, .28), transparent 28%),
        radial-gradient(circle at 85% 12%, rgba(114, 158, 241, .24), transparent 30%),
        linear-gradient(135deg, #071d40 0%, #0B3D91 65%, #1458bd 100%);
    }

    .tool-detail-page .tool-hero::before,
    .tool-detail-page .tool-hero::after {
      position: absolute;
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 50%;
      content: "";
    }

    .tool-detail-page .tool-hero::before {
      width: 420px;
      height: 420px;
      right: -150px;
      bottom: -280px;
    }

    .tool-detail-page .tool-hero::after {
      width: 240px;
      height: 240px;
      top: -160px;
      left: 12%;
    }

    .tool-detail-page .breadcrumb {
      position: relative;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 28px;
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
    }

    .tool-detail-page .breadcrumb a:hover {
      color: #ffffff;
    }

    .tool-detail-page .breadcrumb i {
      font-style: normal;
      opacity: .6;
    }

    .tool-detail-page .tool-heading-card {
      position: relative;
      z-index: 1;
      width: min(850px, 100%);
      display: flex;
      align-items: center;
      gap: 24px;
      margin: 0 auto;
      padding: 30px;
      color: var(--ink);
      background: rgba(255, 250, 240, .97);
      border: 1px solid rgba(255, 255, 255, .75);
      border-radius: 24px;
      box-shadow: 0 28px 70px rgba(1, 16, 44, .28);
    }

    .tool-detail-page .tool-main-icon {
      width: 90px;
      height: 90px;
      flex: 0 0 90px;
      padding: 15px;
      object-fit: contain;
      background: #ffffff;
      border: 1px solid #f0dfd3;
      border-radius: 22px;
      box-shadow: 0 12px 30px rgba(69, 42, 31, .1);
    }

    .tool-detail-page .tool-heading-copy {
      min-width: 0;
      flex: 1;
    }

    .tool-detail-page .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-bottom: 8px;
      color: var(--coral);
      font-size: 13px;
      font-weight: 850;
      letter-spacing: .08em;
    }

    .tool-detail-page .eyebrow::before {
      width: 8px;
      height: 8px;
      background: var(--coral);
      border-radius: 50%;
      box-shadow: 0 0 0 5px rgba(239, 118, 95, .12);
      content: "";
    }

    .tool-detail-page .tool-heading-card h1 {
      margin: 0 0 8px;
      color: #24262b;
      font-size: clamp(30px, 5vw, 48px);
      line-height: 1.15;
      letter-spacing: -.04em;
      overflow-wrap: anywhere;
    }

    .tool-detail-page .tool-heading-card p {
      margin: 0;
      color: #606778;
      font-size: 16px;
    }

    .tool-detail-page .tool-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 9px 16px;
      margin-top: 17px;
      color: #677184;
      font-size: 13px;
    }

    .tool-detail-page .tool-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .tool-detail-page .tool-meta span::before {
      width: 6px;
      height: 6px;
      background: var(--theme);
      border-radius: 50%;
      content: "";
    }

    .tool-detail-page .detail-wrap {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 26px;
      align-items: start;
      margin-top: -42px;
      padding-bottom: 72px;
    }

    .tool-detail-page .content-panel,
    .tool-detail-page .side-panel {
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .tool-detail-page .content-panel {
      min-width: 0;
      overflow: hidden;
    }

    .tool-detail-page .tool-summary {
      position: relative;
      margin: 0;
      padding: 26px 30px 26px 67px;
      color: #455166;
      background: linear-gradient(90deg, #eff5ff, #ffffff);
      border-bottom: 1px solid var(--line);
      font-size: 16px;
    }

    .tool-detail-page .tool-summary::before {
      position: absolute;
      top: 26px;
      left: 28px;
      width: 26px;
      height: 26px;
      display: grid;
      place-items: center;
      color: #ffffff;
      background: var(--theme);
      border-radius: 8px;
      content: "介";
      font-size: 12px;
      font-weight: 900;
    }

    .tool-detail-page .content-section {
      min-width: 0;
      padding: 34px 36px;
    }

    .tool-detail-page .section-title {
      display: flex;
      align-items: center;
      gap: 11px;
      margin: 0 0 22px;
      color: #202939;
      font-size: 24px;
      line-height: 1.3;
    }

    .tool-detail-page .section-title::before {
      width: 5px;
      height: 26px;
      background: linear-gradient(var(--coral), var(--theme));
      border-radius: 6px;
      content: "";
    }

    .tool-detail-page .tool-rich-content {
      min-width: 0;
      max-width: 100%;
      overflow-x: auto;
      color: #3e495c;
      overflow-wrap: anywhere;
    }

    .tool-detail-page .tool-rich-content > :first-child {
      margin-top: 0;
    }

    .tool-detail-page .tool-rich-content > :last-child {
      margin-bottom: 0;
    }

    .tool-detail-page .tool-rich-content h2,
    .tool-detail-page .tool-rich-content h3,
    .tool-detail-page .tool-rich-content h4 {
      color: #202939;
      line-height: 1.35;
    }

    .tool-detail-page .tool-rich-content a {
      color: var(--theme);
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .tool-detail-page .tool-rich-content img,
    .tool-detail-page .tool-rich-content video,
    .tool-detail-page .tool-rich-content iframe {
      max-width: 100%;
      border-radius: 12px;
    }

    .tool-detail-page .tool-rich-content table {
      width: 100%;
      max-width: 100%;
      border-collapse: collapse;
    }

    .tool-detail-page .tool-rich-content th,
    .tool-detail-page .tool-rich-content td {
      padding: 12px;
      border: 1px solid var(--line);
      text-align: left;
    }

    .tool-detail-page .tool-rich-content blockquote {
      margin: 24px 0;
      padding: 18px 22px;
      color: #455166;
      background: var(--cream);
      border-left: 4px solid var(--coral);
      border-radius: 0 12px 12px 0;
    }

    .tool-detail-page .usage-notes {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
      padding: 0 36px 36px;
    }

    .tool-detail-page .note-card {
      padding: 18px;
      background: #f8fafc;
      border: 1px solid var(--line);
      border-radius: 15px;
    }

    .tool-detail-page .note-number {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      margin-bottom: 12px;
      color: #ffffff;
      background: var(--theme);
      border-radius: 10px;
      font-size: 13px;
      font-weight: 850;
    }

    .tool-detail-page .note-card h3 {
      margin: 0 0 6px;
      font-size: 16px;
    }

    .tool-detail-page .note-card p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .tool-detail-page .risk-box {
      display: flex;
      gap: 14px;
      margin: 0 36px 36px;
      padding: 18px 20px;
      color: #655445;
      background: #fff9ed;
      border: 1px solid #f3dfbd;
      border-radius: 14px;
      font-size: 14px;
    }

    .tool-detail-page .risk-box strong {
      flex: 0 0 auto;
      color: #9b5d13;
    }

    .tool-detail-page .detail-sidebar {
      position: sticky;
      top: 20px;
      display: grid;
      gap: 20px;
    }

    .tool-detail-page .side-panel {
      overflow: hidden;
    }

    .tool-detail-page .side-heading {
      margin: 0;
      padding: 18px 20px;
      color: #ffffff;
      background: var(--theme);
      font-size: 17px;
    }

    .tool-detail-page .tool-facts {
      margin: 0;
      padding: 7px 20px;
    }

    .tool-detail-page .tool-facts div {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 13px 0;
      border-bottom: 1px solid var(--line);
    }

    .tool-detail-page .tool-facts div:last-child {
      border-bottom: 0;
    }

    .tool-detail-page .tool-facts dt {
      color: var(--muted);
      font-size: 13px;
    }

    .tool-detail-page .tool-facts dd {
      margin: 0;
      color: #283448;
      font-size: 13px;
      font-weight: 800;
      text-align: right;
    }

    .tool-detail-page .related-list {
      display: grid;
      padding: 10px;
    }

    .tool-detail-page .related-tool {
      min-width: 0;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 11px;
      border-radius: 12px;
      transition: background .2s ease, transform .2s ease;
    }

    .tool-detail-page .related-tool:hover {
      background: var(--theme-soft);
      transform: translateX(2px);
    }

    .tool-detail-page .related-tool img {
      width: 46px;
      height: 46px;
      flex: 0 0 46px;
      padding: 6px;
      object-fit: contain;
      background: #f3f6fa;
      border-radius: 11px;
    }

    .tool-detail-page .related-tool span {
      min-width: 0;
      display: block;
    }

    .tool-detail-page .related-tool strong,
    .tool-detail-page .related-tool small {
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .tool-detail-page .related-tool strong {
      color: #273245;
      font-size: 14px;
      white-space: nowrap;
    }

    .tool-detail-page .related-tool small {
      margin-top: 2px;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.45;
      display: -webkit-box;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .tool-detail-page .side-action {
      padding: 22px;
      color: #ffffff;
      background: linear-gradient(145deg, #263243, #111b2a);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .tool-detail-page .side-action h3 {
      margin: 0 0 8px;
      font-size: 19px;
    }

    .tool-detail-page .side-action p {
      margin: 0 0 16px;
      color: rgba(255, 255, 255, .7);
      font-size: 13px;
    }

    .tool-detail-page .side-action a {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      color: #ffffff;
      background: var(--coral);
      border-radius: 10px;
      font-size: 14px;
      font-weight: 850;
    }

    .footer {
      color: rgba(255, 255, 255, .74);
      background: #071426;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .8fr .8fr .9fr;
      gap: 42px;
      padding: 58px 0 38px;
    }

    .footer .logo {
      color: #ffffff;
    }

    .footer-brand p {
      max-width: 390px;
      margin: 17px 0 0;
      font-size: 14px;
    }

    .footer h3 {
      margin: 6px 0 16px;
      color: #ffffff;
      font-size: 15px;
    }

    .footer-grid > div:not(.footer-brand) > a {
      display: block;
      width: fit-content;
      margin: 9px 0;
      font-size: 14px;
      transition: color .2s ease, transform .2s ease;
    }

    .footer-grid > div:not(.footer-brand) > a:hover {
      color: #ffffff;
      transform: translateX(3px);
    }

    .footer-grid > div > p {
      font-size: 13px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      padding: 20px 0 26px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      font-size: 13px;
    }

    @media (max-width: 1080px) {
      .main-nav {
        display: none;
      }

      .hamburger {
        display: flex;
      }

      .header-inner {
        min-height: 70px;
      }

      .tool-detail-page .detail-wrap {
        grid-template-columns: minmax(0, 1fr) 290px;
      }

      .footer-grid {
        grid-template-columns: 1.2fr 1fr 1fr;
      }

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

    @media (max-width: 820px) {
      .tool-detail-page .tool-hero {
        padding: 45px 0 72px;
      }

      .tool-detail-page .tool-heading-card {
        align-items: flex-start;
      }

      .tool-detail-page .detail-wrap {
        grid-template-columns: 1fr;
        margin-top: -30px;
      }

      .tool-detail-page .detail-sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .tool-detail-page .side-action {
        grid-column: 1 / -1;
      }

      .tool-detail-page .usage-notes {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 620px) {
      .container {
        width: min(100% - 26px, 1180px);
      }

      .topbar .container {
        min-height: 34px;
        justify-content: center;
      }

      .topbar .container > span {
        display: none;
      }

      .topbar-links {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
      }

      .topbar-links a {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .header-inner {
        gap: 10px;
      }

      .header .logo {
        flex: 1;
        max-width: calc(100% - 52px);
      }

      .header .logo img {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
      }

      .header .logo span {
        font-size: 16px;
      }

      .member-btn,
      .open-btn {
        display: none;
      }

      .tool-detail-page .breadcrumb {
        margin-bottom: 20px;
      }

      .tool-detail-page .tool-heading-card {
        display: block;
        padding: 23px;
      }

      .tool-detail-page .tool-main-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 17px;
      }

      .tool-detail-page .tool-heading-card h1 {
        font-size: 30px;
      }

      .tool-detail-page .tool-summary {
        padding: 22px 22px 22px 58px;
      }

      .tool-detail-page .tool-summary::before {
        top: 22px;
        left: 20px;
      }

      .tool-detail-page .content-section {
        padding: 26px 20px;
      }

      .tool-detail-page .usage-notes {
        padding: 0 20px 26px;
      }

      .tool-detail-page .risk-box {
        display: block;
        margin: 0 20px 26px;
      }

      .tool-detail-page .risk-box strong {
        display: block;
        margin-bottom: 6px;
      }

      .tool-detail-page .detail-sidebar {
        grid-template-columns: 1fr;
      }

      .tool-detail-page .side-action {
        grid-column: auto;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 44px 0 30px;
      }

      .footer-brand {
        grid-column: auto;
      }

      .footer-bottom {
        flex-direction: column;
        gap: 8px;
      }
    }