:root {
      --primary: #0B3D91;
      --primary-dark: #072b68;
      --primary-light: #eaf1fb;
      --template-theme: {主题色};
      --navy: #071b38;
      --ink: #152238;
      --muted: #667085;
      --line: #d9e0e9;
      --surface: #f5f7fa;
      --white: #ffffff;
      --silver: #e7ebf0;
      --gold: #c49a45;
      --danger: #b42318;
      --shadow: 0 14px 36px rgba(7, 27, 56, 0.1);
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--surface);
      font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
      line-height: 1.65;
    }

    body.drawer-lock {
      overflow: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      color: inherit;
    }

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

    .topbar {
      color: #dce6f5;
      background: var(--navy);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .topbar-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      font-size: 13px;
    }

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

    .topbar-contact a {
      transition: color 0.2s ease;
    }

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

    .header {
      position: relative;
      z-index: 50;
      background: var(--white);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 4px 18px rgba(7, 27, 56, 0.04);
    }

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

    .logo {
      min-width: 170px;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--navy);
      font-size: 18px;
      font-weight: 800;
    }

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

    .main-nav {
      min-width: 0;
      flex: 1;
      align-self: stretch;
    }

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

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

    .nav-link {
      position: relative;
      display: flex;
      align-items: center;
      padding: 0 13px;
      color: #26364d;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
      transition: color 0.2s ease, background 0.2s ease;
    }

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

    .nav-link.has-arrow::after {
      width: 6px;
      height: 6px;
      margin-left: 7px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      content: "";
      transform: rotate(45deg) translateY(-2px);
      transition: transform 0.2s ease;
    }

    .nav-item:hover .nav-link.has-arrow::after,
    .nav-item:focus-within .nav-link.has-arrow::after {
      transform: rotate(225deg) translate(-2px, -1px);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      z-index: 70;
      visibility: hidden;
      opacity: 0;
      pointer-events: none;
      transform: translateY(8px);
      transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
    }

    .dropdown-panel {
      width: 320px;
      margin-left: -12px;
      padding: 18px;
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .mega-menu {
      left: 50%;
      width: min(var(--container), calc(100vw - 40px));
      transform: translate(-50%, 8px);
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .dropdown-panel::before,
    .mega-menu::before {
      position: absolute;
      right: 0;
      bottom: 100%;
      left: 0;
      height: 10px;
      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-title {
      margin: 0 0 10px;
      color: var(--navy);
      font-size: 15px;
      font-weight: 800;
    }

    .news-link {
      display: block;
      padding: 9px 0;
      overflow: hidden;
      color: #475467;
      border-bottom: 1px solid #edf0f4;
      font-size: 14px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .news-link:hover {
      color: var(--primary);
    }

    .dropdown-footer,
    .mega-footer {
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
    }

    .dropdown-footer {
      margin-top: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .mega-layout {
      display: grid;
      grid-template-columns: 245px minmax(0, 1fr);
    }

    .mega-side {
      padding: 26px;
      color: var(--white);
      background: var(--navy);
    }

    .mega-side h3 {
      margin: 0 0 9px;
      font-size: 18px;
    }

    .mega-side p {
      margin: 0 0 20px;
      color: #b9c8dd;
      font-size: 13px;
    }

    .mega-categories {
      display: flex;
      flex-direction: column;
      gap: 7px;
    }

    .mega-categories a {
      padding: 8px 10px;
      color: #e4ebf5;
      background: rgba(255, 255, 255, 0.07);
      border-left: 2px solid rgba(255, 255, 255, 0.3);
      font-size: 13px;
    }

    .mega-categories a:hover {
      color: var(--white);
      border-left-color: var(--gold);
      background: rgba(255, 255, 255, 0.13);
    }

    .mega-content {
      min-width: 0;
      padding: 22px;
    }

    .mega-head {
      margin-bottom: 15px;
      padding-bottom: 11px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--line);
    }

    .mega-head strong {
      color: var(--navy);
      font-size: 16px;
    }

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

    .mega-card {
      min-width: 0;
      padding: 13px;
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr);
      align-items: center;
      gap: 6px 11px;
      background: #f8fafc;
      border: 1px solid #e6eaf0;
      transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    }

    .mega-card:hover {
      border-color: #aebdd3;
      box-shadow: 0 8px 18px rgba(11, 61, 145, 0.09);
      transform: translateY(-2px);
    }

    .mega-card img {
      width: 44px;
      height: 44px;
      grid-row: 1 / span 3;
      object-fit: contain;
      background: var(--white);
      border: 1px solid #e5e9ef;
    }

    .mega-card strong {
      min-width: 0;
      overflow: hidden;
      color: var(--navy);
      font-size: 13px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

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

    .mega-meta {
      grid-column: 2;
      display: flex;
      flex-wrap: wrap;
      gap: 3px 8px;
      color: var(--muted);
      font-size: 11px;
    }

    .video-card img,
    .product-card img {
      object-fit: cover;
    }

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

    .header-btns > a,
    .header-btns > button:not(.hamburger) {
      min-height: 38px;
      padding: 8px 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--primary);
      font-size: 13px;
      font-weight: 700;
    }

    .open-account {
      color: var(--white);
      background: var(--primary);
    }

    .open-account:hover {
      background: var(--primary-dark);
    }

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

    .hamburger span {
      width: 20px;
      height: 2px;
      display: block;
      background: var(--navy);
      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(3, 13, 29, 0.62);
      transition: opacity 0.25s ease, visibility 0.25s ease;
    }

    .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: var(--white);
      box-shadow: -20px 0 45px rgba(0, 0, 0, 0.18);
      transform: translateX(105%);
      transition: transform 0.25s ease;
    }

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

    .drawer-head {
      min-height: 70px;
      padding: 13px 16px;
      display: flex;
      align-items: center;
      gap: 9px;
      color: var(--white);
      background: var(--navy);
    }

    .drawer-head > a,
    .drawer-head > button:not(.drawer-close) {
      padding: 7px 10px;
      border: 1px solid rgba(255, 255, 255, 0.4);
      font-size: 13px;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      margin-left: auto;
      color: var(--white);
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.35);
      font-size: 27px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 10px 18px 28px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 49px;
      padding: 11px 4px;
      display: flex;
      align-items: center;
      text-align: left;
      background: transparent;
      border: 0;
      border-bottom: 1px solid var(--line);
      font-weight: 700;
      cursor: pointer;
    }

    .drawer-toggle {
      justify-content: space-between;
    }

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

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

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: #f7f9fc;
      transition: max-height 0.3s ease;
    }

    .drawer-submenu.open {
      max-height: 900px;
    }

    .drawer-submenu a {
      padding: 10px 15px;
      display: block;
      color: #475467;
      border-bottom: 1px solid #e7ebf1;
      font-size: 13px;
    }

    .drawer-submenu a:hover {
      color: var(--primary);
      background: var(--primary-light);
    }

    .tag-page {
      min-height: 620px;
    }

    .tag-page .tag-banner {
      position: relative;
      overflow: hidden;
      color: var(--white);
      background: var(--navy);
      border-bottom: 1px solid #24476f;
    }

    .tag-page .tag-banner::before {
      position: absolute;
      inset: 0;
      opacity: 0.35;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
      background-size: 34px 34px;
      content: "";
    }

    .tag-page .tag-banner-inner {
      position: relative;
      z-index: 1;
      min-height: 260px;
      padding: 54px 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
    }

    .tag-page .breadcrumb {
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      color: #c5d2e5;
      font-size: 13px;
    }

    .tag-page .breadcrumb a:hover {
      color: var(--white);
    }

    .tag-page .tag-label {
      margin-bottom: 12px;
      padding: 5px 12px;
      color: #e8edf5;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.22);
      font-size: 12px;
      font-weight: 700;
    }

    .tag-page .tag-banner h1 {
      max-width: 900px;
      margin: 0;
      overflow-wrap: anywhere;
      font-size: clamp(30px, 5vw, 52px);
      line-height: 1.2;
      letter-spacing: 0;
    }

    .tag-page .tag-count {
      margin: 15px 0 0;
      color: #c9d5e7;
      font-size: 15px;
    }

    .tag-page .tag-count strong {
      color: var(--white);
      font-size: 19px;
    }

    .tag-page .tag-content {
      padding: 48px 0 70px;
    }

    .tag-page .section-head {
      margin-bottom: 24px;
      padding-bottom: 16px;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      border-bottom: 1px solid var(--line);
    }

    .tag-page .section-head h2 {
      margin: 0;
      color: var(--navy);
      font-size: 25px;
      line-height: 1.3;
    }

    .tag-page .section-head p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .tag-page .article-list {
      display: grid;
      gap: 18px;
    }

    .tag-page .article-card {
      min-width: 0;
      display: grid;
      grid-template-columns: 300px minmax(0, 1fr);
      overflow: hidden;
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: 0 8px 22px rgba(7, 27, 56, 0.05);
      transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    }

    .tag-page .article-card:hover {
      border-color: #aebbd0;
      box-shadow: 0 14px 30px rgba(7, 27, 56, 0.1);
      transform: translateY(-2px);
    }

    .tag-page .article-cover {
      position: relative;
      min-height: 230px;
      overflow: hidden;
      background: #dfe5ed;
    }

    .tag-page .article-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .tag-page .article-card:hover .article-cover img {
      transform: scale(1.025);
    }

    .tag-page .article-category {
      position: absolute;
      top: 15px;
      left: 15px;
      max-width: calc(100% - 30px);
      padding: 5px 10px;
      overflow: hidden;
      color: var(--white);
      background: rgba(7, 27, 56, 0.9);
      border: 1px solid rgba(255, 255, 255, 0.28);
      font-size: 12px;
      font-weight: 700;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .tag-page .article-body {
      min-width: 0;
      padding: 24px 26px;
      display: flex;
      flex-direction: column;
    }

    .tag-page .article-title {
      margin: 0 0 11px;
      color: var(--navy);
      font-size: 21px;
      line-height: 1.45;
      overflow-wrap: anywhere;
    }

    .tag-page .article-title a:hover {
      color: var(--primary);
    }

    .tag-page .article-summary {
      min-height: 3.3em;
      margin: 0 0 16px;
      display: -webkit-box;
      overflow: hidden;
      color: #526174;
      font-size: 14px;
      line-height: 1.75;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
    }

    .tag-page .article-meta {
      margin-bottom: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 7px 17px;
      color: #778397;
      font-size: 12px;
    }

    .tag-page .article-meta span {
      overflow-wrap: anywhere;
    }

    .tag-page .article-tags {
      margin-bottom: 18px;
      color: var(--primary);
      font-size: 12px;
      overflow-wrap: anywhere;
    }

    .tag-page .article-actions {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: flex-end;
    }

    .tag-page .read-more {
      min-height: 38px;
      padding: 8px 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      background: var(--primary);
      border: 1px solid var(--primary);
      font-size: 13px;
      font-weight: 700;
      transition: background 0.2s ease, border-color 0.2s ease;
    }

    .tag-page .read-more:hover {
      background: var(--primary-dark);
      border-color: var(--primary-dark);
    }

    .tag-page .pagination {
      margin-top: 34px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .tag-page .pagination a {
      min-width: 40px;
      min-height: 40px;
      padding: 7px 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #3d4c61;
      background: var(--white);
      border: 1px solid var(--line);
      font-size: 13px;
      font-weight: 700;
      transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    }

    .tag-page .pagination a:hover,
    .tag-page .pagination a.active,
    .tag-page .pagination a.current {
      color: var(--white);
      background: var(--primary);
      border-color: var(--primary);
    }

    .tag-page .tag-assist {
      margin-top: 36px;
      padding: 25px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      color: var(--white);
      background: var(--navy);
      border-left: 4px solid var(--gold);
    }

    .tag-page .tag-assist h2 {
      margin: 0 0 5px;
      font-size: 20px;
    }

    .tag-page .tag-assist p {
      margin: 0;
      color: #c5d2e5;
      font-size: 13px;
    }

    .tag-page .tag-assist a {
      min-height: 40px;
      padding: 8px 17px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--navy);
      background: var(--white);
      border: 1px solid var(--white);
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .footer {
      color: #d7e0ec;
      background: #06162d;
      border-top: 4px solid var(--primary);
    }

    .footer-main {
      padding: 54px 0 42px;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
      gap: 42px;
    }

    .footer .logo {
      color: var(--white);
    }

    .footer-brand p {
      max-width: 410px;
      margin: 17px 0;
      color: #aebbd0;
      font-size: 13px;
    }

    .footer-social {
      color: var(--white);
      font-size: 14px;
    }

    .footer h3 {
      margin: 3px 0 16px;
      color: var(--white);
      font-size: 15px;
    }

    .footer-links,
    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 9px;
      color: #aebbd0;
      font-size: 13px;
    }

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

    .footer-bottom {
      min-height: 64px;
      padding: 16px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: #92a2b8;
      border-top: 1px solid rgba(255, 255, 255, 0.11);
      font-size: 12px;
    }

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

      .hamburger {
        display: flex;
      }

      .header-inner {
        justify-content: space-between;
      }

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

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

    @media (max-width: 760px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .topbar-welcome {
        display: none;
      }

      .topbar-inner {
        justify-content: center;
      }

      .topbar-contact {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
      }

      .topbar-contact a {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

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

      .logo {
        min-width: 0;
        max-width: 52%;
        font-size: 16px;
      }

      .logo img {
        width: 36px;
        height: 36px;
      }

      .header-btns > a,
      .header-btns > button:not(.hamburger) {
        display: none;
      }

      .tag-page .tag-banner-inner {
        min-height: 225px;
        padding: 40px 0;
      }

      .tag-page .tag-banner h1 {
        font-size: 34px;
      }

      .tag-page .tag-content {
        padding: 34px 0 52px;
      }

      .tag-page .section-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
      }

      .tag-page .article-card {
        grid-template-columns: 1fr;
      }

      .tag-page .article-cover {
        min-height: 0;
        aspect-ratio: 16 / 9;
      }

      .tag-page .article-body {
        padding: 20px;
      }

      .tag-page .article-title {
        font-size: 19px;
      }

      .tag-page .tag-assist {
        align-items: flex-start;
        flex-direction: column;
      }

      .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
      }

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

    @media (max-width: 440px) {
      .topbar-contact {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
        padding: 7px 0;
      }

      .logo span {
        max-width: 140px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .mobile-drawer {
        width: 94vw;
      }

      .tag-page .tag-banner h1 {
        font-size: 29px;
      }

      .tag-page .article-body {
        padding: 18px 16px;
      }

      .tag-page .article-meta {
        flex-direction: column;
        gap: 4px;
      }

      .tag-page .article-actions {
        justify-content: stretch;
      }

      .tag-page .read-more {
        width: 100%;
      }
    }