:root {
      --theme: #0B3D91;
      --template-theme: {主题色};
      --theme-dark: #07285f;
      --theme-soft: #edf4ff;
      --ink: #152033;
      --muted: #667085;
      --line: #dfe5ee;
      --surface: #ffffff;
      --page: #f5f7fb;
      --success: #14835c;
      --shadow: 0 18px 48px rgba(11, 61, 145, .12);
      --radius: 18px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--page);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", Arial, sans-serif;
      line-height: 1.65;
    }

    body.drawer-locked {
      overflow: hidden;
    }

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

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

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

    button,
    a {
      -webkit-tap-highlight-color: transparent;
    }

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

    .topbar {
      color: #dbe8ff;
      background: #061a3b;
      font-size: 13px;
    }

    .topbar-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .topbar-welcome {
      margin: 0;
    }

    .topbar-contact {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
    }

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

    .header {
      position: relative;
      z-index: 50;
      border-bottom: 1px solid rgba(11, 61, 145, .1);
      background: rgba(255, 255, 255, .98);
      box-shadow: 0 4px 18px rgba(16, 24, 40, .04);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .logo {
      min-width: 0;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--theme);
      font-size: 19px;
      font-weight: 800;
      letter-spacing: .01em;
    }

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

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

    .main-nav {
      align-self: stretch;
      margin-left: auto;
    }

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

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

    .nav-link {
      position: relative;
      display: flex;
      align-items: center;
      padding: 0 12px;
      color: #344054;
      font-size: 15px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-link::after {
      position: absolute;
      right: 12px;
      bottom: 15px;
      left: 12px;
      height: 2px;
      border-radius: 2px;
      background: var(--theme);
      content: "";
      opacity: 0;
      transform: scaleX(.45);
      transition: .2s ease;
    }

    .nav-link.has-arrow {
      padding-right: 25px;
    }

    .nav-link.has-arrow::before {
      position: absolute;
      top: 50%;
      right: 10px;
      width: 6px;
      height: 6px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      content: "";
      transform: translateY(-65%) rotate(45deg);
    }

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

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

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

    .dropdown-panel::before,
    .mega-menu::before {
      position: absolute;
      top: 0;
      right: 0;
      left: 0;
      height: 20px;
      content: "";
    }

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

    .dropdown-shell,
    .mega-shell {
      width: min(1120px, calc(100% - 40px));
      margin: 0 auto;
      padding: 22px;
      border: 1px solid #e4e9f1;
      border-radius: 0 0 20px 20px;
      background: #ffffff;
      box-shadow: 0 24px 60px rgba(16, 24, 40, .16);
    }

    .dropdown-head,
    .mega-heading-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 16px;
      padding-bottom: 13px;
      border-bottom: 1px solid var(--line);
    }

    .dropdown-head strong,
    .mega-heading-row strong {
      color: #101828;
      font-size: 18px;
    }

    .dropdown-head a,
    .mega-heading-row a {
      color: var(--theme);
      font-size: 14px;
      font-weight: 750;
    }

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

    .dropdown-story {
      min-width: 0;
      overflow: hidden;
      border: 1px solid #e7ebf1;
      border-radius: 13px;
      background: #ffffff;
      transition: .2s ease;
    }

    .dropdown-story:hover,
    .mega-card:hover {
      border-color: rgba(11, 61, 145, .38);
      box-shadow: 0 10px 26px rgba(11, 61, 145, .1);
      transform: translateY(-2px);
    }

    .dropdown-story img {
      width: 100%;
      height: 105px;
      object-fit: cover;
    }

    .dropdown-story span {
      display: block;
      padding: 11px 12px;
      overflow: hidden;
      font-size: 14px;
      font-weight: 700;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mega-body {
      display: grid;
      grid-template-columns: 180px minmax(0, 1fr);
      gap: 20px;
    }

    .mega-categories {
      display: flex;
      flex-direction: column;
      gap: 7px;
      padding: 15px;
      border-radius: 14px;
      background: var(--theme-soft);
    }

    .mega-categories-title {
      margin-bottom: 4px;
      color: #667085;
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .08em;
    }

    .mega-categories a {
      padding: 7px 8px;
      border-radius: 8px;
      color: #344054;
      font-size: 14px;
      font-weight: 650;
    }

    .mega-categories a:hover {
      color: var(--theme);
      background: #ffffff;
    }

    .mega-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .mega-card {
      min-width: 0;
      padding: 13px;
      border: 1px solid #e7ebf1;
      border-radius: 13px;
      background: #ffffff;
      transition: .2s ease;
    }

    .mega-card > img:not(.mega-logo):not(.mega-icon) {
      width: 100%;
      height: 84px;
      margin-bottom: 10px;
      border-radius: 9px;
      object-fit: cover;
    }

    .mega-card .mega-logo,
    .mega-card .mega-icon {
      width: 38px;
      height: 38px;
      margin-bottom: 9px;
      border-radius: 9px;
      object-fit: contain;
    }

    .mega-card strong {
      display: block;
      overflow: hidden;
      color: #1d2939;
      font-size: 14px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mega-card p {
      display: -webkit-box;
      margin: 6px 0 0;
      overflow: hidden;
      color: #667085;
      font-size: 12px;
      line-height: 1.5;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .mega-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 5px 9px;
      margin-top: 8px;
      color: #667085;
      font-size: 11px;
    }

    .mega-footer {
      display: block;
      margin-top: 16px;
      padding: 10px 14px;
      border-radius: 10px;
      color: var(--theme);
      background: var(--theme-soft);
      font-size: 14px;
      font-weight: 800;
      text-align: center;
    }

    .header-btns {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .header-member {
      color: var(--theme);
      font-size: 14px;
      font-weight: 750;
      white-space: nowrap;
    }

    .account-btn {
      display: inline-flex;
      min-height: 42px;
      align-items: center;
      justify-content: center;
      padding: 0 17px;
      border-radius: 10px;
      color: #ffffff;
      background: var(--theme);
      box-shadow: 0 8px 18px rgba(11, 61, 145, .2);
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

    .account-btn:hover {
      background: var(--theme-dark);
    }

    .hamburger {
      width: 44px;
      height: 44px;
      display: none;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #ffffff;
      cursor: pointer;
    }

    .hamburger span {
      width: 22px;
      height: 2px;
      display: block;
      margin: 5px auto;
      border-radius: 2px;
      background: #1d2939;
      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: 90;
      inset: 0;
      visibility: hidden;
      background: rgba(6, 18, 39, .58);
      opacity: 0;
      transition: .25s ease;
    }

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

    .mobile-drawer {
      position: fixed;
      z-index: 100;
      top: 0;
      right: 0;
      bottom: 0;
      width: min(390px, 90vw);
      overflow-y: auto;
      background: #ffffff;
      box-shadow: -20px 0 60px rgba(0, 0, 0, .18);
      transform: translateX(105%);
      transition: transform .25s ease;
    }

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

    .drawer-head {
      min-height: 72px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 18px;
      border-bottom: 1px solid var(--line);
      color: var(--theme);
      font-weight: 750;
    }

    .drawer-head > a {
      margin-left: auto;
      padding: 8px 11px;
      border-radius: 8px;
      color: #ffffff;
      background: var(--theme);
      font-size: 13px;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      border: 0;
      border-radius: 9px;
      color: #344054;
      background: #f2f4f7;
      font-size: 26px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 14px 18px 30px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 13px 5px;
      border: 0;
      border-bottom: 1px solid #edf0f4;
      color: #1d2939;
      background: transparent;
      font-weight: 750;
      text-align: left;
      cursor: pointer;
    }

    .drawer-toggle::after {
      width: 8px;
      height: 8px;
      margin-right: 5px;
      border-right: 2px solid #667085;
      border-bottom: 2px solid #667085;
      content: "";
      transform: rotate(45deg);
      transition: .2s ease;
    }

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

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      padding: 0 10px;
      background: #f8fafc;
      opacity: 0;
      transition: max-height .3s ease, opacity .25s ease, padding .25s ease;
    }

    .drawer-submenu.open {
      max-height: 900px;
      padding: 7px 10px;
      opacity: 1;
    }

    .drawer-submenu a {
      display: block;
      padding: 9px 8px;
      color: #475467;
      font-size: 14px;
    }

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

    .tool-detail-page {
      min-width: 0;
      padding-bottom: 72px;
    }

    .tool-detail-page .tool-hero {
      position: relative;
      overflow: hidden;
      padding: 58px 0 52px;
      color: #ffffff;
      background:
        radial-gradient(circle at 86% 18%, rgba(255, 255, 255, .16), transparent 24%),
        radial-gradient(circle at 8% 92%, rgba(55, 132, 255, .3), transparent 28%),
        linear-gradient(135deg, #061a3b, var(--theme));
    }

    .tool-detail-page .tool-hero::after {
      position: absolute;
      right: -80px;
      bottom: -170px;
      width: 430px;
      height: 430px;
      border: 1px solid rgba(255, 255, 255, .16);
      border-radius: 50%;
      box-shadow:
        0 0 0 48px rgba(255, 255, 255, .035),
        0 0 0 96px rgba(255, 255, 255, .025);
      content: "";
    }

    .tool-detail-page .breadcrumbs {
      position: relative;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-bottom: 25px;
      color: #c7d8f6;
      font-size: 14px;
    }

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

    .tool-detail-page .tool-heading {
      position: relative;
      z-index: 1;
      max-width: 850px;
    }

    .tool-detail-page .tool-heading-icon {
      width: 70px;
      height: 70px;
      display: grid;
      place-items: center;
      margin-bottom: 22px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .24);
      border-radius: 18px;
      background: rgba(255, 255, 255, .12);
      backdrop-filter: blur(10px);
    }

    .tool-detail-page .tool-heading-icon img {
      width: 44px;
      height: 44px;
      object-fit: contain;
    }

    .tool-detail-page .tool-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: #bcd4ff;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
    }

    .tool-detail-page .tool-kicker::before {
      width: 24px;
      height: 2px;
      background: #f4c768;
      content: "";
    }

    .tool-detail-page h1 {
      margin: 0;
      color: #ffffff;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: -.035em;
    }

    .tool-detail-page .tool-intro {
      max-width: 760px;
      margin: 18px 0 0;
      color: #dce8fb;
      font-size: 17px;
    }

    .tool-detail-page .tool-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 25px;
    }

    .tool-detail-page .tool-meta span {
      padding: 7px 12px;
      border: 1px solid rgba(255, 255, 255, .19);
      border-radius: 999px;
      color: #eef5ff;
      background: rgba(255, 255, 255, .08);
      font-size: 13px;
    }

    .tool-detail-page .detail-layout {
      min-width: 0;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 310px;
      align-items: start;
      gap: 28px;
      margin-top: -24px;
      position: relative;
      z-index: 2;
    }

    .tool-detail-page .tool-content-card,
    .tool-detail-page .related-panel,
    .tool-detail-page .notice-panel {
      min-width: 0;
      border: 1px solid #e3e8f0;
      border-radius: var(--radius);
      background: #ffffff;
      box-shadow: var(--shadow);
    }

    .tool-detail-page .tool-content-card {
      padding: clamp(22px, 4vw, 40px);
    }

    .tool-detail-page .content-heading {
      margin-bottom: 26px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--line);
    }

    .tool-detail-page .content-heading h2 {
      margin: 0 0 7px;
      color: #101828;
      font-size: 25px;
    }

    .tool-detail-page .content-heading p {
      margin: 0;
      color: var(--muted);
    }

    .tool-detail-page .tool-body {
      min-width: 0;
      max-width: 100%;
      overflow-x: auto;
      color: #344054;
      font-size: 16px;
    }

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

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

    .tool-detail-page .tool-body h2,
    .tool-detail-page .tool-body h3,
    .tool-detail-page .tool-body h4 {
      color: #101828;
      line-height: 1.35;
    }

    .tool-detail-page .tool-body h2 {
      margin-top: 34px;
      font-size: 25px;
    }

    .tool-detail-page .tool-body h3 {
      margin-top: 28px;
      font-size: 20px;
    }

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

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

    .tool-detail-page .tool-body th,
    .tool-detail-page .tool-body td {
      padding: 11px 13px;
      border: 1px solid var(--line);
      text-align: left;
    }

    .tool-detail-page .tool-body blockquote {
      margin: 24px 0;
      padding: 16px 20px;
      border-left: 4px solid var(--theme);
      border-radius: 0 10px 10px 0;
      color: #344054;
      background: var(--theme-soft);
    }

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

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

    .tool-detail-page .related-panel,
    .tool-detail-page .notice-panel {
      padding: 21px;
    }

    .tool-detail-page .related-panel h2,
    .tool-detail-page .notice-panel h2 {
      margin: 0 0 16px;
      color: #101828;
      font-size: 19px;
    }

    .tool-detail-page .related-tools {
      display: grid;
      gap: 11px;
    }

    .tool-detail-page .related-tool {
      min-width: 0;
      display: grid;
      grid-template-columns: 45px minmax(0, 1fr);
      gap: 11px;
      padding: 12px;
      border: 1px solid #e8ecf2;
      border-radius: 12px;
      transition: .2s ease;
    }

    .tool-detail-page .related-tool:hover {
      border-color: rgba(11, 61, 145, .35);
      background: var(--theme-soft);
      transform: translateY(-2px);
    }

    .tool-detail-page .related-tool img {
      width: 45px;
      height: 45px;
      border-radius: 10px;
      object-fit: contain;
      background: #f4f7fb;
    }

    .tool-detail-page .related-tool strong {
      display: block;
      overflow: hidden;
      color: #1d2939;
      font-size: 14px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .tool-detail-page .related-tool p {
      display: -webkit-box;
      margin: 3px 0 0;
      overflow: hidden;
      color: #667085;
      font-size: 12px;
      line-height: 1.45;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .tool-detail-page .notice-panel {
      box-shadow: none;
    }

    .tool-detail-page .notice-panel p {
      margin: 0;
      color: #667085;
      font-size: 14px;
    }

    .tool-detail-page .tools-home-link {
      display: flex;
      min-height: 44px;
      align-items: center;
      justify-content: center;
      margin-top: 17px;
      border-radius: 10px;
      color: #ffffff;
      background: var(--theme);
      font-weight: 800;
    }

    .tool-detail-page .tools-home-link:hover {
      background: var(--theme-dark);
    }

    .footer {
      color: #cbd5e1;
      background: #07172f;
    }

    .footer-main {
      display: grid;
      grid-template-columns: 1.45fr repeat(3, 1fr);
      gap: 42px;
      padding-top: 58px;
      padding-bottom: 42px;
    }

    .footer .logo {
      color: #ffffff;
    }

    .footer-brand p {
      max-width: 430px;
      margin: 18px 0 0;
      color: #9fb0c7;
      font-size: 14px;
    }

    .footer h3 {
      margin: 8px 0 15px;
      color: #ffffff;
      font-size: 16px;
    }

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

    .footer-links a,
    .footer-contact a {
      width: fit-content;
      color: #aebcd0;
      font-size: 14px;
    }

    .footer-links a:hover,
    .footer-contact a:hover {
      color: #ffffff;
    }

    .footer-social {
      margin-top: 5px;
    }

    .footer-bottom {
      min-height: 67px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: #8fa0b8;
      font-size: 13px;
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-bottom a:hover {
      color: #ffffff;
    }

    @media (max-width: 1100px) {
      .main-nav {
        display: none;
      }

      .hamburger {
        display: block;
      }

      .header-btns {
        margin-left: auto;
      }

      .tool-detail-page .detail-layout {
        grid-template-columns: minmax(0, 1fr) 280px;
      }
    }

    @media (max-width: 860px) {
      .topbar-contact {
        gap: 10px;
      }

      .header-member {
        display: none;
      }

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

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

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

    @media (max-width: 620px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

      .topbar-inner {
        min-height: 56px;
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 2px;
        padding-block: 8px;
      }

      .topbar-contact {
        font-size: 12px;
      }

      .header-inner {
        min-height: 68px;
        gap: 12px;
      }

      .header .logo {
        max-width: 50%;
      }

      .header .logo img {
        width: 36px;
        height: 36px;
        flex-basis: 36px;
      }

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

      .account-btn {
        min-height: 39px;
        padding-inline: 12px;
        font-size: 13px;
      }

      .hamburger {
        width: 40px;
        height: 40px;
        padding: 8px;
      }

      .tool-detail-page .tool-hero {
        padding: 38px 0 46px;
      }

      .tool-detail-page .tool-heading-icon {
        width: 60px;
        height: 60px;
      }

      .tool-detail-page .tool-heading-icon img {
        width: 38px;
        height: 38px;
      }

      .tool-detail-page h1 {
        font-size: 36px;
      }

      .tool-detail-page .tool-intro {
        font-size: 15px;
      }

      .tool-detail-page .detail-layout {
        margin-top: -18px;
      }

      .tool-detail-page .tool-content-card {
        padding: 21px 18px;
      }

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

      .footer-main {
        grid-template-columns: 1fr;
        gap: 26px;
        padding-top: 43px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        padding-block: 17px;
      }
    }