:root {
      --theme: #0B3D91;
      --theme-template: {主题色};
      --theme-dark: #06285f;
      --theme-deep: #031b3f;
      --theme-light: #eaf3ff;
      --ice: #f4f9ff;
      --silver: #d8e3ef;
      --ink: #10243e;
      --muted: #61738a;
      --white: #fff;
      --line: #dce6f0;
      --success: #14795b;
      --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: #f7faff;
      font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
    }

    body,
    button,
    input,
    textarea,
    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 {
      position: relative;
      z-index: 1100;
      color: #dceaff;
      background: var(--theme-deep);
      font-size: 13px;
    }

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

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

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

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

    .header {
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid rgba(216, 227, 239, .9);
      background: rgba(255, 255, 255, .96);
      box-shadow: 0 8px 30px rgba(4, 31, 68, .05);
      backdrop-filter: blur(16px);
    }

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

    .logo {
      min-width: 176px;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--theme-deep);
      font-size: 19px;
      font-weight: 800;
      letter-spacing: .01em;
    }

    .logo img {
      width: 42px;
      height: 42px;
      object-fit: contain;
      border-radius: 10px;
    }

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

    .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;
      padding: 0 14px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #263a52;
      font-size: 15px;
      font-weight: 650;
      white-space: nowrap;
      transition: color .2s ease;
    }

    .nav-link::after {
      position: absolute;
      right: 14px;
      bottom: 0;
      left: 14px;
      height: 3px;
      border-radius: 4px 4px 0 0;
      background: var(--theme);
      content: "";
      opacity: 0;
      transform: scaleX(.35);
      transition: opacity .2s ease, transform .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(-70%) rotate(45deg);
      transition: transform .2s ease;
    }

    .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);
    }

    .nav-item:hover .has-arrow::before,
    .nav-item:focus-within .has-arrow::before {
      transform: translateY(-25%) rotate(225deg);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      z-index: 1050;
      visibility: hidden;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .99);
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(10px);
      pointer-events: none;
      transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    }

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

    .dropdown-panel {
      width: 310px;
      margin-left: -16px;
      padding: 12px;
      border-radius: 0 0 16px 16px;
    }

    .dropdown-panel a {
      padding: 10px 12px;
      display: block;
      border-radius: 9px;
      color: #30455e;
      font-size: 14px;
      line-height: 1.45;
      transition: color .2s ease, background .2s ease;
    }

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

    .mega-menu {
      right: 0;
      left: 0;
      border-right: 0;
      border-left: 0;
    }

    .mega-inner {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      padding: 26px 0 24px;
    }

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

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

    .mega-card {
      min-width: 0;
      min-height: 92px;
      padding: 13px;
      display: flex;
      align-items: center;
      gap: 13px;
      overflow: hidden;
      border: 1px solid #e1eaf3;
      border-radius: 13px;
      background: #fbfdff;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }

    .mega-card:hover {
      border-color: #9ebce0;
      box-shadow: 0 12px 28px rgba(11, 61, 145, .1);
      transform: translateY(-2px);
    }

    .mega-card img {
      width: 52px;
      height: 52px;
      flex: 0 0 52px;
      object-fit: contain;
      border-radius: 10px;
      background: #fff;
    }

    .mega-card > span:not(.video-play) {
      min-width: 0;
      display: grid;
      gap: 3px;
    }

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

    .mega-card strong {
      color: #153457;
      font-size: 14px;
    }

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

    .video-play {
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: linear-gradient(145deg, #2a6bc2, var(--theme));
      box-shadow: 0 8px 18px rgba(11, 61, 145, .22);
    }

    .mega-footer {
      margin-top: 18px;
      padding-top: 14px;
      display: block;
      border-top: 1px solid var(--line);
      color: var(--theme);
      font-size: 14px;
      font-weight: 750;
    }

    .tool-links a {
      transition: color .2s ease, background .2s ease, border-color .2s ease;
    }

    .tool-links a:hover {
      border-color: var(--theme) !important;
      background: var(--theme-light);
    }

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

    .member-link {
      color: var(--theme);
      font-size: 14px;
      font-weight: 700;
    }

    .open-account {
      padding: 9px 17px;
      border: 1px solid var(--theme);
      border-radius: 999px;
      color: #fff;
      background: var(--theme);
      font-size: 14px;
      font-weight: 750;
      transition: background .2s ease, transform .2s ease;
    }

    .open-account:hover {
      background: var(--theme-dark);
      transform: translateY(-1px);
    }

    .hamburger {
      width: 42px;
      height: 42px;
      padding: 9px;
      display: none;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
      cursor: pointer;
    }

    .hamburger span {
      width: 100%;
      height: 2px;
      margin: 5px 0;
      display: block;
      border-radius: 4px;
      background: var(--theme-deep);
      transition: transform .2s ease, opacity .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: 1190;
      visibility: hidden;
      background: rgba(3, 20, 44, .58);
      opacity: 0;
      transition: opacity .25s ease, visibility .25s ease;
    }

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

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      z-index: 1200;
      width: min(390px, 90vw);
      overflow-y: auto;
      background: #fff;
      box-shadow: -20px 0 50px rgba(3, 27, 63, .2);
      transform: translateX(102%);
      transition: transform .28s ease;
    }

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

    .drawer-head {
      min-height: 72px;
      padding: 15px 18px;
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      background: var(--theme-deep);
    }

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

    .drawer-head > a {
      padding: 6px 12px;
      border: 1px solid rgba(255, 255, 255, .45);
      border-radius: 999px;
      font-size: 13px;
    }

    .drawer-close {
      width: 36px;
      height: 36px;
      padding: 0;
      border: 0;
      color: #fff;
      background: transparent;
      font-size: 30px;
      line-height: 1;
      cursor: pointer;
    }

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

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 48px;
      padding: 11px 5px;
      display: flex;
      align-items: center;
      border: 0;
      border-bottom: 1px solid #e5edf5;
      color: #1b3553;
      background: transparent;
      font-weight: 750;
      text-align: left;
      cursor: pointer;
    }

    .drawer-toggle {
      position: relative;
      padding-right: 30px;
    }

    .drawer-toggle::after {
      position: absolute;
      right: 7px;
      width: 8px;
      height: 8px;
      border-right: 2px solid var(--theme);
      border-bottom: 2px solid var(--theme);
      content: "";
      transform: rotate(45deg);
      transition: transform .2s ease;
    }

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

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: var(--ice);
      transition: max-height .3s ease;
    }

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

    .drawer-submenu a {
      padding: 9px 14px;
      display: block;
      border-bottom: 1px solid #e3edf8;
      color: #50677f;
      font-size: 14px;
    }

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

    .category-page {
      min-height: 650px;
      padding-bottom: 78px;
    }

    .category-page .category-hero {
      position: relative;
      overflow: hidden;
      padding: 72px 0 66px;
      color: #fff;
      background:
        radial-gradient(circle at 12% 20%, rgba(90, 170, 255, .35), transparent 29%),
        radial-gradient(circle at 88% 80%, rgba(175, 217, 255, .2), transparent 25%),
        linear-gradient(135deg, #031b3f, #0B3D91 62%, #1559a8);
    }

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

    .category-page .category-hero::before {
      width: 350px;
      height: 350px;
      top: -210px;
      right: 8%;
    }

    .category-page .category-hero::after {
      width: 230px;
      height: 230px;
      bottom: -160px;
      left: 7%;
    }

    .category-page .category-hero-inner {
      position: relative;
      z-index: 1;
      max-width: 830px;
      text-align: center;
    }

    .category-page .category-kicker {
      margin-bottom: 15px;
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: #d5e9ff;
      font-size: 14px;
      font-weight: 750;
      letter-spacing: .12em;
    }

    .category-page .category-kicker::before,
    .category-page .category-kicker::after {
      width: 32px;
      height: 1px;
      background: rgba(255, 255, 255, .45);
      content: "";
    }

    .category-page .category-hero h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.18;
      letter-spacing: -.035em;
    }

    .category-page .category-hero p {
      max-width: 720px;
      margin: 20px auto 0;
      color: #d9e9fb;
      font-size: 17px;
      line-height: 1.9;
    }

    .category-page .category-trust {
      margin-top: 28px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .category-page .category-trust span {
      padding: 7px 14px;
      border: 1px solid rgba(255, 255, 255, .2);
      border-radius: 999px;
      color: #eef7ff;
      background: rgba(255, 255, 255, .08);
      font-size: 13px;
      backdrop-filter: blur(8px);
    }

    .category-page .content-wrap {
      padding-top: 48px;
    }

    .category-page .content-heading {
      margin-bottom: 24px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
    }

    .category-page .content-heading h2 {
      margin: 0;
      color: var(--theme-deep);
      font-size: 29px;
      line-height: 1.3;
    }

    .category-page .content-heading p {
      max-width: 570px;
      margin: 6px 0 0;
      color: var(--muted);
    }

    .category-page .content-heading .update-note {
      flex: 0 0 auto;
      padding: 8px 13px;
      border: 1px solid #cfe0f2;
      border-radius: 999px;
      color: var(--theme);
      background: #fff;
      font-size: 13px;
      font-weight: 700;
    }

    .category-page .article-list {
      display: grid;
      gap: 22px;
    }

    .category-page .article-card {
      min-width: 0;
      padding: 16px;
      display: grid;
      grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
      gap: 24px;
      border: 1px solid #dce7f2;
      border-radius: var(--radius);
      background: #fff;
      box-shadow: 0 9px 32px rgba(5, 42, 87, .06);
      transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
    }

    .category-page .article-card:hover {
      border-color: #a8c2e0;
      box-shadow: 0 18px 45px rgba(11, 61, 145, .12);
      transform: translateY(-3px);
    }

    .category-page .article-cover {
      position: relative;
      min-height: 225px;
      overflow: hidden;
      border-radius: 13px;
      background: #dce8f5;
    }

    .category-page .article-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
    }

    .category-page .article-card:hover .article-cover img {
      transform: scale(1.035);
    }

    .category-page .article-cover .category-label {
      position: absolute;
      top: 13px;
      left: 13px;
      max-width: calc(100% - 26px);
      padding: 6px 11px;
      overflow: hidden;
      border-radius: 999px;
      color: #fff;
      background: rgba(3, 27, 63, .82);
      font-size: 12px;
      font-weight: 750;
      text-overflow: ellipsis;
      white-space: nowrap;
      backdrop-filter: blur(8px);
    }

    .category-page .article-body {
      min-width: 0;
      padding: 5px 8px 5px 0;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .category-page .article-body h3 {
      margin: 0;
      color: #102e51;
      font-size: 23px;
      line-height: 1.4;
    }

    .category-page .article-body h3 a {
      transition: color .2s ease;
    }

    .category-page .article-body h3 a:hover {
      color: var(--theme);
    }

    .category-page .article-summary {
      margin: 12px 0 14px;
      display: -webkit-box;
      overflow: hidden;
      color: #536a83;
      font-size: 15px;
      line-height: 1.85;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
    }

    .category-page .article-meta {
      width: 100%;
      margin: auto 0 12px;
      padding-top: 13px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px 18px;
      border-top: 1px solid #edf2f7;
      color: #72849a;
      font-size: 13px;
    }

    .category-page .article-tags {
      width: 100%;
      margin: 0 0 15px;
      color: #536d89;
      font-size: 13px;
      overflow-wrap: anywhere;
    }

    .category-page .article-tags strong {
      color: var(--theme-dark);
    }

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

    .category-page .read-more::after {
      content: "→";
      transition: transform .2s ease;
    }

    .category-page .read-more:hover::after {
      transform: translateX(4px);
    }

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

    .category-page .pagination a {
      min-width: 42px;
      height: 42px;
      padding: 0 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid #cfdeed;
      border-radius: 10px;
      color: #3e5874;
      background: #fff;
      font-size: 14px;
      font-weight: 700;
      transition: color .2s ease, background .2s ease, border-color .2s ease;
    }

    .category-page .pagination a:hover,
    .category-page .pagination a.active,
    .category-page .pagination a.current {
      border-color: var(--theme);
      color: #fff;
      background: var(--theme);
    }

    .category-page .category-callout {
      margin-top: 48px;
      padding: 30px 34px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      overflow: hidden;
      border: 1px solid #cfe0f2;
      border-radius: 20px;
      color: #fff;
      background:
        radial-gradient(circle at 92% 0, rgba(111, 187, 255, .25), transparent 32%),
        linear-gradient(125deg, #06285f, #0B3D91);
      box-shadow: var(--shadow);
    }

    .category-page .category-callout h2 {
      margin: 0 0 7px;
      font-size: 25px;
    }

    .category-page .category-callout p {
      margin: 0;
      color: #dcecff;
    }

    .category-page .callout-actions {
      flex: 0 0 auto;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .category-page .callout-actions a {
      padding: 10px 17px;
      border: 1px solid rgba(255, 255, 255, .35);
      border-radius: 999px;
      color: #fff;
      font-size: 14px;
      font-weight: 750;
    }

    .category-page .callout-actions a:first-child {
      border-color: #fff;
      color: var(--theme-deep);
      background: #fff;
    }

    .footer {
      padding: 62px 0 0;
      color: #cbd9e9;
      background: #041a36;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.7fr 1fr 1fr 1.15fr;
      gap: 45px;
    }

    .footer-brand {
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 11px;
      color: #fff;
      font-size: 20px;
      font-weight: 800;
    }

    .footer-brand img {
      width: 44px;
      height: 44px;
      object-fit: contain;
      border-radius: 10px;
      background: #fff;
    }

    .footer p {
      margin: 9px 0;
      color: #aebed1;
      font-size: 14px;
      line-height: 1.85;
    }

    .footer h3 {
      margin: 4px 0 17px;
      color: #fff;
      font-size: 16px;
    }

    .footer-grid > div > a {
      margin: 9px 0;
      display: block;
      color: #b8c8da;
      font-size: 14px;
      transition: color .2s ease, transform .2s ease;
    }

    .footer-grid > div > a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-bottom {
      margin-top: 42px;
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: #8fa4ba;
      font-size: 13px;
    }

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

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

      .logo {
        flex: 1;
      }

      .hamburger {
        display: block;
      }

      .broker-grid,
      .video-grid,
      .tool-grid,
      .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
      }

      .footer-grid > div:last-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 820px) {
      .category-page .category-hero {
        padding: 58px 0 54px;
      }

      .category-page .content-heading {
        align-items: flex-start;
        flex-direction: column;
      }

      .category-page .article-card {
        grid-template-columns: 250px minmax(0, 1fr);
        gap: 18px;
      }

      .category-page .article-cover {
        min-height: 245px;
      }

      .category-page .article-body h3 {
        font-size: 20px;
      }

      .category-page .category-callout {
        align-items: flex-start;
        flex-direction: column;
      }

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

      .footer-grid > div:last-child {
        grid-column: auto;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

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

      .topbar-links {
        width: 100%;
        align-items: flex-start;
        flex-direction: column;
        gap: 1px;
      }

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

      .logo {
        min-width: 0;
      }

      .logo span {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .category-page {
        padding-bottom: 56px;
      }

      .category-page .category-hero h1 {
        font-size: 35px;
      }

      .category-page .category-hero p {
        font-size: 15px;
      }

      .category-page .content-wrap {
        padding-top: 34px;
      }

      .category-page .content-heading h2 {
        font-size: 25px;
      }

      .category-page .article-card {
        padding: 12px;
        grid-template-columns: 1fr;
      }

      .category-page .article-cover {
        min-height: 0;
        aspect-ratio: 16 / 10;
      }

      .category-page .article-body {
        padding: 3px 3px 7px;
      }

      .category-page .article-summary {
        -webkit-line-clamp: 3;
      }

      .category-page .category-callout {
        padding: 25px 22px;
      }

      .category-page .callout-actions {
        width: 100%;
      }

      .category-page .callout-actions a {
        flex: 1;
        text-align: center;
      }

      .footer {
        padding-top: 46px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
      }
    }