:root {
      --theme: #0B3D91;
      --theme-dark: #072b68;
      --theme-soft: #eaf1fb;
      --amber: #d99a21;
      --wax: #f4c65d;
      --brown: #3c2b1c;
      --ink: #172033;
      --muted: #687386;
      --line: #dfe4ec;
      --surface: #ffffff;
      --page: #f5f7fa;
      --template-theme: {主题色};
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--page);
      font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      letter-spacing: 0;
    }

    body.drawer-locked {
      overflow: hidden;
    }

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

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

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

    button {
      color: inherit;
    }

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

    .topbar {
      color: #fff;
      background: var(--brown);
      font-size: 13px;
    }

    .topbar-inner {
      min-height: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .topbar-contact {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .topbar a:hover {
      color: var(--wax);
    }

    .header {
      position: relative;
      z-index: 50;
      background: #fff;
      border-bottom: 1px solid var(--line);
      box-shadow: 0 3px 14px rgba(23, 32, 51, 0.05);
    }

    .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(--brown);
      font-size: 18px;
      font-weight: 800;
      line-height: 1.25;
    }

    .logo img {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      object-fit: contain;
    }

    .logo span {
      overflow-wrap: anywhere;
    }

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

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

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

    .nav-link {
      height: 100%;
      padding: 0 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #313a49;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
      border-bottom: 3px solid transparent;
    }

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

    .has-arrow::after {
      width: 6px;
      height: 6px;
      margin: -4px 0 0 8px;
      content: "";
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: rotate(45deg);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      left: 50%;
      z-index: 60;
      visibility: hidden;
      opacity: 0;
      pointer-events: none;
      transform: translate(-50%, 8px);
      transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    }

    .dropdown-panel::before,
    .mega-menu::before {
      position: absolute;
      right: 0;
      bottom: 100%;
      left: 0;
      height: 8px;
      content: "";
    }

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

    .dropdown-panel {
      width: 280px;
      padding: 10px;
      background: #fff;
      border: 1px solid var(--line);
      border-top: 3px solid var(--amber);
      box-shadow: 0 18px 45px rgba(23, 32, 51, 0.16);
    }

    .dropdown-panel > a {
      padding: 10px 12px;
      display: block;
      color: #384254;
      font-size: 14px;
      line-height: 1.45;
      border-bottom: 1px solid #edf0f4;
    }

    .dropdown-panel > a:hover {
      color: var(--theme);
      background: var(--theme-soft);
    }

    .dropdown-panel .dropdown-all {
      margin-top: 5px;
      color: var(--theme);
      font-weight: 800;
      border-bottom: 0;
    }

    .mega-menu {
      width: min(850px, calc(100vw - 40px));
      padding: 22px;
      background: #fff;
      border: 1px solid var(--line);
      border-top: 3px solid var(--amber);
      box-shadow: 0 22px 55px rgba(23, 32, 51, 0.18);
    }

    .mega-menu-brokers {
      left: 20%;
    }

    .mega-menu-video,
    .mega-menu-products {
      left: 0;
    }

    .mega-menu-tools {
      left: -40%;
    }

    .mega-title {
      margin: 0 0 14px;
      color: var(--brown);
      font-size: 16px;
      font-weight: 800;
    }

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

    .mega-card {
      min-width: 0;
      padding: 11px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #f8f9fb;
      border: 1px solid #edf0f4;
      border-radius: 6px;
    }

    .mega-card:hover {
      border-color: #c8d7ee;
      background: var(--theme-soft);
    }

    .mega-card img {
      width: 48px;
      height: 48px;
      flex: 0 0 48px;
      object-fit: cover;
      border-radius: 4px;
      background: #fff;
    }

    .mega-card span {
      min-width: 0;
    }

    .mega-card strong,
    .mega-card p,
    .mega-card small {
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .mega-card strong {
      color: #273144;
      font-size: 14px;
      line-height: 1.4;
      white-space: nowrap;
    }

    .mega-card p {
      margin: 4px 0;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.45;
      white-space: nowrap;
    }

    .mega-card small {
      color: #778195;
      font-size: 11px;
      line-height: 1.5;
      white-space: nowrap;
    }

    .mega-categories {
      margin-bottom: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .mega-categories a {
      padding: 6px 10px;
      color: #424d5f;
      background: #f2f4f7;
      border-radius: 4px;
      font-size: 12px;
    }

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

    .mega-footer {
      margin-top: 16px;
      padding-top: 13px;
      display: block;
      color: var(--theme);
      font-size: 14px;
      font-weight: 800;
      text-align: right;
      border-top: 1px solid var(--line);
    }

    .header-btns {
      display: flex;
      align-items: center;
      gap: 9px;
    }

    .member-entry {
      display: inline-flex;
      align-items: center;
    }

    .header-account {
      min-height: 38px;
      padding: 7px 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: var(--theme);
      border-radius: 5px;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

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

    .hamburger {
      width: 42px;
      height: 42px;
      padding: 9px;
      display: none;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: 1px solid var(--line);
      border-radius: 5px;
      cursor: pointer;
    }

    .hamburger span {
      width: 21px;
      height: 2px;
      display: block;
      background: var(--brown);
      transition: transform 0.2s ease, opacity 0.2s 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;
      inset: 0;
      z-index: 80;
      visibility: hidden;
      opacity: 0;
      background: rgba(20, 24, 32, 0.58);
      transition: opacity 0.2s ease, visibility 0.2s;
    }

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

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      z-index: 90;
      width: min(390px, 90vw);
      overflow-y: auto;
      background: #fff;
      box-shadow: -14px 0 45px rgba(23, 32, 51, 0.22);
      transform: translateX(105%);
      transition: transform 0.25s ease;
    }

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

    .drawer-head {
      min-height: 72px;
      padding: 14px 16px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      background: var(--brown);
    }

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

    .drawer-head > a {
      padding: 7px 12px;
      color: var(--brown);
      background: var(--wax);
      border-radius: 4px;
      font-size: 14px;
      font-weight: 800;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      padding: 0;
      color: #fff;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.35);
      border-radius: 4px;
      font-size: 27px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 14px 18px 28px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 48px;
      padding: 10px 4px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: #263145;
      background: transparent;
      border: 0;
      border-bottom: 1px solid var(--line);
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }

    .drawer-toggle::after {
      width: 8px;
      height: 8px;
      margin-right: 5px;
      content: "";
      border-right: 2px solid var(--theme);
      border-bottom: 2px solid var(--theme);
      transform: rotate(45deg);
      transition: transform 0.2s ease;
    }

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

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: #f7f8fa;
      transition: max-height 0.25s ease;
    }

    .drawer-submenu.open {
      max-height: 720px;
    }

    .drawer-submenu a {
      padding: 9px 14px;
      display: block;
      color: #596477;
      font-size: 14px;
      border-bottom: 1px solid #e8ebf0;
    }

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

    .article-page {
      min-width: 0;
    }

    .article-page .article-banner {
      padding: 28px 0;
      color: #fff;
      background:
        linear-gradient(rgba(60, 43, 28, 0.94), rgba(60, 43, 28, 0.94)),
        linear-gradient(90deg, var(--amber), var(--theme));
      border-bottom: 4px solid var(--wax);
    }

    .article-page .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      color: #eadfcf;
      font-size: 14px;
    }

    .article-page .breadcrumb a:hover {
      color: var(--wax);
    }

    .article-page .article-layout {
      padding: 42px 0 58px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 310px;
      align-items: start;
      gap: 30px;
    }

    .article-page .article-main,
    .article-page .article-sidebar {
      min-width: 0;
    }

    .article-page .article-paper {
      min-width: 0;
      padding: 36px 42px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-top: 4px solid var(--amber);
      border-radius: 6px;
      box-shadow: 0 10px 30px rgba(23, 32, 51, 0.06);
    }

    .article-page .article-category {
      margin-bottom: 13px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--theme);
      font-size: 14px;
      font-weight: 800;
    }

    .article-page .article-category::before {
      width: 9px;
      height: 9px;
      content: "";
      background: var(--amber);
      transform: rotate(45deg);
    }

    .article-page h1 {
      margin: 0;
      color: #182033;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.25;
      letter-spacing: 0;
      overflow-wrap: anywhere;
    }

    .article-page .article-meta {
      margin-top: 20px;
      padding: 13px 0;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px 22px;
      color: var(--muted);
      font-size: 14px;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .article-page .article-meta span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .article-page .article-meta span::before {
      width: 7px;
      height: 7px;
      content: "";
      background: var(--wax);
      border: 1px solid var(--amber);
      border-radius: 50%;
    }

    .article-page .article-content {
      min-width: 0;
      max-width: 100%;
      padding-top: 28px;
      overflow-x: auto;
      color: #303a4c;
      font-size: 17px;
      line-height: 1.9;
      overflow-wrap: anywhere;
    }

    .article-page .article-content h2,
    .article-page .article-content h3,
    .article-page .article-content h4 {
      color: var(--brown);
      line-height: 1.4;
    }

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

    .article-page .article-content img,
    .article-page .article-content video,
    .article-page .article-content iframe,
    .article-page .article-content table {
      max-width: 100%;
    }

    .article-page .article-content img {
      height: auto;
      margin: 24px auto;
      border-radius: 5px;
    }

    .article-page .article-content table {
      width: 100%;
      border-collapse: collapse;
    }

    .article-page .article-content th,
    .article-page .article-content td {
      padding: 10px;
      border: 1px solid var(--line);
    }

    .article-page .article-content blockquote {
      margin: 24px 0;
      padding: 16px 20px;
      color: #4d4234;
      background: #fff8e7;
      border-left: 4px solid var(--amber);
    }

    .article-page .article-tags {
      margin-top: 28px;
      padding-top: 20px;
      display: flex;
      align-items: flex-start;
      gap: 12px;
      color: var(--muted);
      border-top: 1px solid var(--line);
    }

    .article-page .article-tags strong {
      flex: 0 0 auto;
      color: var(--brown);
    }

    .article-page .article-tags-links {
      min-width: 0;
      color: var(--theme);
      overflow-wrap: anywhere;
    }

    .article-page .article-pager {
      margin-top: 24px;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .article-page .article-pager a {
      min-width: 0;
      padding: 16px;
      display: block;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 5px;
    }

    .article-page .article-pager a:hover {
      border-color: var(--amber);
      box-shadow: 0 7px 18px rgba(23, 32, 51, 0.07);
    }

    .article-page .article-pager small {
      margin-bottom: 5px;
      display: block;
      color: var(--muted);
    }

    .article-page .article-pager strong {
      display: block;
      color: var(--brown);
      line-height: 1.5;
      overflow-wrap: anywhere;
    }

    .article-page .sidebar-panel {
      margin-bottom: 20px;
      padding: 22px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 6px;
    }

    .article-page .sidebar-panel h2 {
      margin: 0 0 12px;
      padding-bottom: 11px;
      color: var(--brown);
      font-size: 19px;
      line-height: 1.4;
      border-bottom: 2px solid var(--wax);
    }

    .article-page .sidebar-panel p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .article-page .sidebar-actions {
      margin-top: 16px;
      display: grid;
      gap: 9px;
    }

    .article-page .sidebar-actions a {
      min-height: 42px;
      padding: 8px 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: var(--theme);
      border-radius: 4px;
      font-size: 14px;
      font-weight: 800;
      text-align: center;
    }

    .article-page .sidebar-actions a:last-child {
      color: var(--brown);
      background: var(--wax);
    }

    .article-page .related-section {
      margin-top: 34px;
    }

    .article-page .section-head {
      margin-bottom: 16px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
    }

    .article-page .section-head h2 {
      margin: 0;
      color: var(--brown);
      font-size: 25px;
    }

    .article-page .section-head a {
      color: var(--theme);
      font-size: 14px;
      font-weight: 800;
    }

    .article-page .related-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .article-page .related-card {
      min-width: 0;
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 6px;
    }

    .article-page .related-card:hover {
      border-color: #bdcce2;
      box-shadow: 0 9px 24px rgba(23, 32, 51, 0.08);
    }

    .article-page .related-card img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      background: #e9edf3;
    }

    .article-page .related-card-body {
      padding: 16px;
    }

    .article-page .related-card h3 {
      margin: 0 0 8px;
      color: #263044;
      font-size: 17px;
      line-height: 1.45;
      overflow-wrap: anywhere;
    }

    .article-page .related-card p {
      margin: 0 0 12px;
      display: -webkit-box;
      overflow: hidden;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .article-page .related-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      color: #7a8495;
      font-size: 12px;
    }

    .footer {
      color: #d9dee7;
      background: #241d17;
      border-top: 4px solid var(--amber);
    }

    .footer-main {
      padding: 48px 0 36px;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
      gap: 38px;
    }

    .footer .logo {
      color: #fff;
    }

    .footer-brand p {
      margin: 18px 0 0;
      color: #bfc5cf;
      font-size: 14px;
      line-height: 1.8;
    }

    .footer h3 {
      margin: 0 0 15px;
      color: var(--wax);
      font-size: 16px;
    }

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

    .footer-links a,
    .footer-contact a {
      color: #c8ced8;
      font-size: 14px;
    }

    .footer-links a:hover,
    .footer-contact a:hover {
      color: var(--wax);
    }

    .footer-contact p {
      margin: 0 0 9px;
      color: #c8ced8;
      font-size: 14px;
      overflow-wrap: anywhere;
    }

    .footer-bottom {
      min-height: 66px;
      padding: 16px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
      color: #9ea6b3;
      font-size: 13px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

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

      .hamburger {
        display: flex;
      }

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

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

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

    @media (max-width: 780px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

      .topbar-inner {
        padding: 8px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
      }

      .topbar-contact {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
      }

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

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

      .header .logo span {
        max-width: 150px;
        font-size: 16px;
      }

      .member-entry {
        display: none;
      }

      .header-account {
        min-height: 36px;
        padding: 6px 11px;
      }

      .article-page .article-banner {
        padding: 20px 0;
      }

      .article-page .article-layout {
        padding: 28px 0 42px;
        display: block;
      }

      .article-page .article-paper {
        padding: 26px 22px;
      }

      .article-page h1 {
        font-size: 30px;
      }

      .article-page .article-sidebar {
        margin-top: 24px;
      }

      .article-page .article-pager,
      .article-page .related-grid {
        grid-template-columns: 1fr;
      }

      .footer-main {
        padding: 38px 0 28px;
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
      }
    }

    @media (max-width: 460px) {
      .header .logo span {
        max-width: 112px;
      }

      .article-page .article-paper {
        padding: 22px 17px;
      }

      .article-page h1 {
        font-size: 26px;
      }

      .article-page .article-content {
        font-size: 16px;
      }
    }