:root {
      --theme: #0B3D91;
      --theme-dark: #072b67;
      --theme-soft: #eaf1fb;
      --ink: #172033;
      --muted: #667085;
      --line: #dfe4ec;
      --surface: #ffffff;
      --page: #f5f7fa;
      --accent: #c72f3b;
      --shadow: 0 12px 32px rgba(23, 32, 51, 0.09);
    }

    * {
      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;
      line-height: 1.65;
    }

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

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

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

    button {
      color: inherit;
    }

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

    .topbar {
      color: #eaf1fb;
      background: #071b36;
      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: 22px;
    }

    .topbar a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .header {
      position: relative;
      z-index: 40;
      background: var(--surface);
      border-bottom: 1px solid var(--line);
    }

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

    .logo {
      min-width: 190px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--theme-dark);
      font-size: 20px;
      font-weight: 800;
      white-space: nowrap;
    }

    .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;
      list-style: none;
    }

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

    .nav-link {
      position: relative;
      display: flex;
      align-items: center;
      padding: 0 14px;
      color: #293348;
      font-size: 15px;
      font-weight: 650;
      white-space: nowrap;
    }

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

    .nav-link::after {
      position: absolute;
      right: 14px;
      bottom: 0;
      left: 14px;
      height: 3px;
      background: var(--theme);
      content: "";
      transform: scaleX(0);
      transition: transform 0.2s ease;
    }

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

    .nav-link.has-arrow {
      padding-right: 28px;
    }

    .nav-link.has-arrow::before {
      position: absolute;
      top: 50%;
      right: 13px;
      width: 6px;
      height: 6px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      content: "";
      transform: translateY(-65%) rotate(45deg);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      left: 50%;
      z-index: 50;
      visibility: hidden;
      border: 1px solid var(--line);
      background: var(--surface);
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translate(-50%, 8px);
      transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    }

    .dropdown-panel {
      width: min(420px, calc(100vw - 40px));
      padding: 22px;
    }

    .mega-menu {
      width: min(1080px, calc(100vw - 40px));
      padding: 26px;
    }

    .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;
      transform: translate(-50%, 0);
    }

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

    .panel-title,
    .mega-section h3 {
      margin: 0 0 14px;
      color: #121a2b;
      font-size: 16px;
      line-height: 1.35;
    }

    .dropdown-list,
    .mega-list {
      display: grid;
      gap: 8px;
    }

    .dropdown-list > a,
    .mega-list > a {
      min-width: 0;
      padding: 9px 10px;
      border-radius: 4px;
      color: #344054;
      background: #f8fafc;
      font-size: 14px;
    }

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

    .mega-columns {
      display: grid;
      grid-template-columns: 1fr 1.35fr 0.85fr;
      gap: 28px;
    }

    .mega-section {
      min-width: 0;
    }

    .mega-section + .mega-section {
      padding-left: 26px;
      border-left: 1px solid var(--line);
    }

    .mega-section p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .mega-meta {
      display: block;
      margin-top: 3px;
      overflow: hidden;
      color: #7b8494;
      font-size: 12px;
      font-weight: 400;
      line-height: 1.45;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .broker-mega-card,
    .video-mega-card,
    .product-mega-card {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .broker-mega-card img,
    .product-mega-card img {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      border: 1px solid var(--line);
      border-radius: 4px;
      background: #ffffff;
      object-fit: contain;
    }

    .video-mega-card img {
      width: 66px;
      height: 42px;
      flex: 0 0 auto;
      border-radius: 4px;
      object-fit: cover;
    }

    .broker-mega-card span,
    .video-mega-card span,
    .product-mega-card span {
      min-width: 0;
      overflow: hidden;
      font-weight: 650;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mega-footer {
      display: inline-flex;
      margin-top: 14px;
      color: var(--theme);
      font-size: 14px;
      font-weight: 750;
    }

    .header-btns {
      display: flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
    }

    .member-link,
    .account-link {
      min-height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 7px 14px;
      border: 1px solid var(--theme);
      border-radius: 4px;
      font-size: 14px;
      font-weight: 700;
    }

    .member-link {
      color: var(--theme);
      background: #ffffff;
    }

    .account-link {
      color: #ffffff;
      background: var(--theme);
    }

    .member-link:hover {
      background: var(--theme-soft);
    }

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

    .hamburger {
      width: 42px;
      height: 42px;
      display: none;
      padding: 0;
      border: 1px solid var(--line);
      border-radius: 4px;
      background: #ffffff;
      cursor: pointer;
    }

    .hamburger span {
      width: 19px;
      height: 2px;
      display: block;
      margin: 4px auto;
      background: var(--ink);
      transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .hamburger.active span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

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

    .hamburger.active span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      z-index: 90;
      visibility: hidden;
      background: rgba(4, 13, 27, 0.56);
      opacity: 0;
      transition: opacity 0.22s ease, visibility 0.22s;
    }

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

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      z-index: 100;
      width: min(390px, 88vw);
      overflow-y: auto;
      background: #ffffff;
      box-shadow: -16px 0 40px rgba(9, 22, 44, 0.2);
      transform: translateX(105%);
      transition: transform 0.24s ease;
    }

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

    .drawer-head {
      min-height: 68px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 18px;
      color: #ffffff;
      background: var(--theme);
    }

    .drawer-head > a {
      padding: 7px 10px;
      border: 1px solid rgba(255, 255, 255, 0.55);
      border-radius: 4px;
      font-size: 14px;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      margin-left: auto;
      padding: 0;
      border: 0;
      color: #ffffff;
      background: transparent;
      font-size: 30px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 12px 18px 30px;
    }

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

    .drawer-toggle {
      position: relative;
      padding: 0 28px 0 0;
    }

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

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

    .drawer-submenu {
      max-height: 0;
      display: grid;
      gap: 4px;
      overflow: hidden;
      transition: max-height 0.28s ease;
    }

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

    .drawer-submenu a {
      padding: 10px 14px;
      border-left: 2px solid var(--theme-soft);
      color: #4d586b;
      background: #f8fafc;
      font-size: 14px;
    }

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

    .productlist-main {
      min-height: 620px;
    }

    .productlist-main .page-intro {
      padding: 58px 0 46px;
      color: #ffffff;
      background: var(--theme);
      border-bottom: 5px solid var(--accent);
    }

    .productlist-main .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      color: #dbe8fb;
      font-size: 14px;
    }

    .productlist-main .breadcrumb a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .productlist-main .page-intro h1 {
      margin: 0;
      font-size: clamp(30px, 5vw, 46px);
      line-height: 1.2;
      letter-spacing: 0;
    }

    .productlist-main .page-intro p {
      max-width: 760px;
      margin: 14px 0 0;
      color: #e7eef9;
      font-size: 17px;
    }

    .productlist-main .product-content {
      padding: 42px 0 70px;
    }

    .productlist-main .section-heading {
      margin-bottom: 18px;
    }

    .productlist-main .section-heading h2 {
      margin: 0 0 5px;
      font-size: 24px;
      line-height: 1.35;
    }

    .productlist-main .section-heading p {
      margin: 0;
      color: var(--muted);
    }

    .productlist-main .category-strip {
      margin-bottom: 38px;
      padding-bottom: 26px;
      border-bottom: 1px solid var(--line);
    }

    .productlist-main .category-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .productlist-main .category-chip {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      padding: 8px 16px;
      border: 1px solid #cbd4e1;
      border-radius: 4px;
      color: #344054;
      background: #ffffff;
      font-weight: 700;
      transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
    }

    .productlist-main .category-chip:hover {
      color: var(--theme);
      border-color: var(--theme);
      background: var(--theme-soft);
    }

    .productlist-main .product-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
    }

    .productlist-main .product-card {
      min-width: 0;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 6px;
      background: #ffffff;
      box-shadow: 0 5px 18px rgba(20, 33, 56, 0.05);
      transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    }

    .productlist-main .product-card:hover {
      border-color: #aebed5;
      box-shadow: var(--shadow);
      transform: translateY(-3px);
    }

    .productlist-main .product-image {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
      background: #eef2f7;
    }

    .productlist-main .product-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.25s ease;
    }

    .productlist-main .product-card:hover .product-image img {
      transform: scale(1.025);
    }

    .productlist-main .product-type {
      position: absolute;
      top: 12px;
      left: 12px;
      padding: 4px 9px;
      border-radius: 3px;
      color: #ffffff;
      background: var(--accent);
      font-size: 12px;
      font-weight: 750;
    }

    .productlist-main .product-card-body {
      min-width: 0;
      flex: 1;
      display: flex;
      flex-direction: column;
      padding: 20px;
    }

    .productlist-main .product-card h2 {
      margin: 0 0 10px;
      font-size: 19px;
      line-height: 1.45;
      letter-spacing: 0;
    }

    .productlist-main .product-card h2 a:hover {
      color: var(--theme);
    }

    .productlist-main .product-summary {
      min-height: 4.8em;
      margin: 0 0 18px;
      display: -webkit-box;
      overflow: hidden;
      color: var(--muted);
      font-size: 14px;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
    }

    .productlist-main .product-meta {
      margin-top: auto;
      padding-top: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      border-top: 1px solid #edf0f4;
      color: #7a8494;
      font-size: 13px;
    }

    .productlist-main .product-cta {
      color: var(--theme);
      font-weight: 750;
      white-space: nowrap;
    }

    .productlist-main .product-cta:hover {
      color: var(--accent);
    }

    .productlist-main .pagination {
      margin-top: 38px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .productlist-main .pagination a {
      min-width: 42px;
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 13px;
      border: 1px solid var(--line);
      border-radius: 4px;
      color: #344054;
      background: #ffffff;
      font-weight: 700;
    }

    .productlist-main .pagination a:hover,
    .productlist-main .pagination a.active,
    .productlist-main .pagination a.current {
      color: #ffffff;
      border-color: var(--theme);
      background: var(--theme);
    }

    .productlist-main .product-note {
      margin-top: 44px;
      padding: 24px;
      border-left: 4px solid var(--accent);
      background: #fffdf4;
    }

    .productlist-main .product-note h2 {
      margin: 0 0 8px;
      font-size: 19px;
    }

    .productlist-main .product-note p {
      margin: 0;
      color: #5f6673;
    }

    .footer {
      color: #d9e2ef;
      background: #09182c;
    }

    .footer-main {
      padding: 52px 0 38px;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 38px;
    }

    .footer h2,
    .footer h3 {
      margin: 0 0 15px;
      color: #ffffff;
      line-height: 1.3;
    }

    .footer h2 {
      font-size: 22px;
    }

    .footer h3 {
      font-size: 16px;
    }

    .footer p {
      margin: 0;
      color: #aebbd0;
      font-size: 14px;
    }

    .footer-links {
      margin: 0;
      padding: 0;
      display: grid;
      gap: 9px;
      list-style: none;
      color: #b8c4d5;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-bottom {
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      color: #93a3ba;
      font-size: 13px;
    }

    @media (max-width: 1120px) {
      .main-nav {
        display: none;
      }

      .hamburger {
        display: block;
      }

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

      .logo {
        min-width: 0;
      }

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

    @media (max-width: 760px) {
      .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: 1px;
      }

      .header-inner {
        min-height: 66px;
        gap: 10px;
      }

      .logo {
        max-width: calc(100% - 54px);
        font-size: 17px;
      }

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

      .header-btns .member-link,
      .header-btns .account-link {
        display: none;
      }

      .productlist-main .page-intro {
        padding: 38px 0 34px;
      }

      .productlist-main .page-intro h1 {
        font-size: 32px;
      }

      .productlist-main .page-intro p {
        font-size: 15px;
      }

      .productlist-main .product-content {
        padding: 32px 0 50px;
      }

      .productlist-main .product-grid {
        grid-template-columns: 1fr;
      }

      .productlist-main .product-summary {
        min-height: auto;
      }

      .footer-main {
        padding: 40px 0 30px;
        grid-template-columns: 1fr 1fr;
        gap: 30px 22px;
      }

      .footer-bottom {
        padding: 18px 0;
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
      }
    }

    @media (max-width: 480px) {
      .productlist-main .category-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
      }

      .productlist-main .category-chip {
        justify-content: center;
        padding: 7px 9px;
        text-align: center;
      }

      .productlist-main .product-meta {
        align-items: flex-start;
        flex-direction: column;
      }

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