:root {
      --primary: #0B3D91;
      --primary-dark: #072c6a;
      --primary-soft: #eaf1fb;
      --accent: #f0a43c;
      --ink: #142033;
      --muted: #667085;
      --line: #dfe5ee;
      --surface: #ffffff;
      --canvas: #f5f7fb;
      --shadow: 0 18px 45px rgba(20, 32, 51, .1);
      --radius: 18px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

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

    body,
    button,
    input {
      font: inherit;
    }

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

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

    button {
      color: inherit;
    }

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

    .topbar {
      color: #dce8fb;
      background: #061d43;
      font-size: 13px;
    }

    .topbar-inner {
      min-height: 38px;
      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: relative;
      z-index: 50;
      border-bottom: 1px solid rgba(11, 61, 145, .1);
      background: rgba(255, 255, 255, .97);
      box-shadow: 0 8px 24px rgba(7, 44, 106, .05);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 25px;
    }

    .logo {
      min-width: 180px;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--primary-dark);
      font-size: 19px;
      font-weight: 800;
    }

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

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

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

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

    .nav-link {
      min-height: 78px;
      padding: 0 13px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #344054;
      font-size: 15px;
      font-weight: 650;
      white-space: nowrap;
      transition: color .2s ease, background .2s ease;
    }

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

    .has-arrow::after {
      width: 6px;
      height: 6px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      content: "";
      transform: rotate(45deg) translateY(-2px);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      visibility: hidden;
      opacity: 0;
      pointer-events: none;
      border: 1px solid var(--line);
      border-radius: 0 0 18px 18px;
      background: #fff;
      box-shadow: var(--shadow);
      transform: translateY(8px);
      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;
      pointer-events: auto;
      transform: translateY(0);
    }

    .dropdown-panel {
      left: 0;
      width: 330px;
      padding: 22px;
    }

    .dropdown-title,
    .mega-title {
      margin: 0 0 13px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
    }

    .dropdown-list {
      display: grid;
      gap: 4px;
    }

    .dropdown-list a {
      padding: 10px 12px;
      border-radius: 10px;
      color: #344054;
      font-size: 14px;
    }

    .dropdown-list a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .mega-menu {
      left: 50%;
      width: min(760px, 82vw);
      padding: 24px;
      transform: translate(-50%, 8px);
    }

    .nav-item:hover > .mega-menu,
    .nav-item:focus-within > .mega-menu {
      transform: translate(-50%, 0);
    }

    .nav-item:nth-last-child(-n+3) .mega-menu {
      right: 0;
      left: auto;
      transform: translateY(8px);
    }

    .nav-item:nth-last-child(-n+3):hover > .mega-menu,
    .nav-item:nth-last-child(-n+3):focus-within > .mega-menu {
      transform: translateY(0);
    }

    .mega-grid {
      display: grid;
      grid-template-columns: minmax(0, 2fr) minmax(190px, 1fr);
      gap: 25px;
    }

    .mega-cards {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 9px;
    }

    .mega-card {
      min-width: 0;
      padding: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
      border: 1px solid #edf0f5;
      border-radius: 12px;
      transition: border-color .2s ease, background .2s ease;
    }

    .mega-card:hover {
      border-color: #bdd0ee;
      background: var(--primary-soft);
    }

    .mega-card > img {
      width: 43px;
      height: 43px;
      flex: 0 0 43px;
      border-radius: 9px;
      object-fit: cover;
      background: #f2f4f7;
    }

    .mega-card > span {
      min-width: 0;
      display: grid;
      gap: 2px;
    }

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

    .mega-card strong {
      color: #1d2939;
      font-size: 13px;
    }

    .mega-card span span {
      color: var(--muted);
      font-size: 11px;
    }

    .mega-links {
      display: grid;
      gap: 7px;
    }

    .mega-links a {
      padding: 9px 11px;
      border-radius: 9px;
      color: #475467;
      font-size: 14px;
    }

    .mega-links a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .mega-footer {
      margin-top: 14px;
      padding-top: 13px;
      display: block;
      border-top: 1px solid var(--line);
      color: var(--primary);
      font-size: 13px;
      font-weight: 750;
    }

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

    .member-link,
    .account-link {
      padding: 9px 14px;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .member-link {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .account-link {
      color: #fff;
      background: var(--primary);
      box-shadow: 0 8px 20px rgba(11, 61, 145, .22);
    }

    .hamburger {
      width: 43px;
      height: 43px;
      display: none;
      place-content: center;
      gap: 5px;
      padding: 0;
      border: 1px solid var(--line);
      border-radius: 11px;
      background: #fff;
      cursor: pointer;
    }

    .hamburger span {
      width: 20px;
      height: 2px;
      display: block;
      border-radius: 2px;
      background: var(--primary);
      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;
      z-index: 89;
      inset: 0;
      visibility: hidden;
      opacity: 0;
      background: rgba(5, 17, 38, .58);
      transition: .25s ease;
    }

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

    .mobile-drawer {
      position: fixed;
      z-index: 90;
      top: 0;
      right: 0;
      width: min(390px, 92vw);
      height: 100dvh;
      overflow-y: auto;
      background: #fff;
      box-shadow: -20px 0 55px rgba(7, 24, 49, .2);
      transform: translateX(105%);
      transition: transform .28s ease;
    }

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

    .drawer-head {
      min-height: 72px;
      padding: 14px 18px;
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      background: var(--primary);
    }

    .drawer-head span {
      min-width: 0;
      margin-right: auto;
    }

    .drawer-head a {
      padding: 7px 12px;
      border: 1px solid rgba(255, 255, 255, .4);
      border-radius: 8px;
      font-size: 13px;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      padding: 0;
      border: 0;
      color: #fff;
      background: transparent;
      font-size: 29px;
      cursor: pointer;
    }

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

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      padding: 14px 4px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border: 0;
      border-bottom: 1px solid var(--line);
      background: transparent;
      font-weight: 700;
      text-align: left;
      cursor: pointer;
    }

    .drawer-toggle::after {
      content: "＋";
      color: var(--primary);
    }

    .drawer-toggle.active::after {
      content: "－";
    }

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      transition: max-height .3s ease, opacity .2s ease;
    }

    .drawer-submenu.open {
      max-height: 700px;
      opacity: 1;
    }

    .drawer-submenu a {
      padding: 10px 12px;
      display: block;
      border-left: 2px solid #dce7f8;
      color: var(--muted);
      font-size: 14px;
    }

    .category-page {
      min-height: 700px;
    }

    .category-page .category-intro {
      position: relative;
      overflow: hidden;
      padding: 70px 0 64px;
      color: #fff;
      background:
        radial-gradient(circle at 82% 25%, rgba(240, 164, 60, .32), transparent 23%),
        linear-gradient(125deg, #061d43 0%, #0B3D91 58%, #7250a4 100%);
    }

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

    .category-page .category-intro::before {
      width: 320px;
      height: 320px;
      top: -180px;
      right: 7%;
    }

    .category-page .category-intro::after {
      width: 190px;
      height: 190px;
      right: 22%;
      bottom: -145px;
    }

    .category-page .breadcrumb {
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 9px;
      color: #cbd9ef;
      font-size: 14px;
    }

    .category-page .breadcrumb a:hover {
      color: #fff;
    }

    .category-page .category-heading {
      position: relative;
      z-index: 1;
      max-width: 790px;
    }

    .category-page .category-kicker {
      margin: 0 0 10px;
      color: #ffd88c;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .16em;
    }

    .category-page .category-heading h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.15;
      letter-spacing: -.03em;
    }

    .category-page .category-heading > p:last-child {
      max-width: 720px;
      margin: 18px 0 0;
      color: #dfebfa;
      font-size: 17px;
    }

    .category-page .category-tools {
      margin-top: -24px;
      position: relative;
      z-index: 3;
    }

    .category-page .tools-inner {
      min-height: 72px;
      padding: 14px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      border: 1px solid rgba(11, 61, 145, .1);
      border-radius: 16px;
      background: #fff;
      box-shadow: var(--shadow);
    }

    .category-page .category-status {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #475467;
      font-size: 14px;
    }

    .category-page .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: #e9a13b;
      box-shadow: 0 0 0 6px rgba(233, 161, 59, .14);
    }

    .category-page .quick-links {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .category-page .quick-links a {
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--primary);
      background: var(--primary-soft);
      font-size: 13px;
      font-weight: 700;
    }

    .category-page .article-section {
      padding: 58px 0 80px;
    }

    .category-page .section-head {
      margin-bottom: 24px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
    }

    .category-page .section-head h2 {
      margin: 0;
      font-size: clamp(25px, 3vw, 34px);
    }

    .category-page .section-head p {
      margin: 6px 0 0;
      color: var(--muted);
    }

    .category-page .article-list {
      display: grid;
      gap: 20px;
    }

    .category-page .article-card {
      min-width: 0;
      display: grid;
      grid-template-columns: 320px minmax(0, 1fr);
      overflow: hidden;
      border: 1px solid #e3e8f0;
      border-radius: var(--radius);
      background: var(--surface);
      box-shadow: 0 10px 30px rgba(20, 32, 51, .05);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .category-page .article-card:hover {
      border-color: #bfd0eb;
      box-shadow: 0 18px 42px rgba(20, 32, 51, .11);
      transform: translateY(-3px);
    }

    .category-page .article-cover {
      min-height: 270px;
      position: relative;
      overflow: hidden;
      background: #dfe8f6;
    }

    .category-page .article-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

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

    .category-page .cover-category {
      position: absolute;
      top: 16px;
      left: 16px;
      padding: 6px 11px;
      border: 1px solid rgba(255, 255, 255, .4);
      border-radius: 999px;
      color: #fff;
      background: rgba(6, 29, 67, .8);
      backdrop-filter: blur(8px);
      font-size: 12px;
      font-weight: 750;
    }

    .category-page .article-body {
      min-width: 0;
      padding: 27px 30px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .category-page .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 16px;
      color: #7a8494;
      font-size: 13px;
    }

    .category-page .article-meta span {
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .category-page .article-meta span::before {
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: #9fb4d5;
      content: "";
    }

    .category-page .article-title {
      margin: 12px 0 9px;
      color: #172033;
      font-size: clamp(21px, 2.2vw, 27px);
      line-height: 1.35;
    }

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

    .category-page .article-summary {
      margin: 0;
      display: -webkit-box;
      overflow: hidden;
      color: #5f6978;
      font-size: 15px;
      line-height: 1.8;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
    }

    .category-page .article-tags {
      width: 100%;
      margin-top: 14px;
      color: #6c7584;
      font-size: 13px;
      overflow-wrap: anywhere;
    }

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

    .category-page .read-more {
      margin-top: auto;
      padding-top: 17px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      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;
      min-height: 42px;
      padding: 8px 13px;
      display: inline-grid;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: 10px;
      color: #475467;
      background: #fff;
      font-size: 14px;
      font-weight: 700;
    }

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

    .category-page .risk-note {
      margin-top: 34px;
      padding: 18px 22px;
      border-left: 4px solid var(--accent);
      border-radius: 0 12px 12px 0;
      color: #5c6472;
      background: #fff8ec;
      font-size: 13px;
    }

    .footer {
      color: #c9d6e9;
      background: #06162f;
    }

    .footer-grid {
      padding: 56px 0 40px;
      display: grid;
      grid-template-columns: 1.4fr repeat(3, 1fr);
      gap: 42px;
    }

    .footer h3 {
      margin: 0 0 17px;
      color: #fff;
      font-size: 15px;
    }

    .footer-brand strong {
      color: #fff;
      font-size: 23px;
    }

    .footer-brand p {
      max-width: 330px;
      margin: 15px 0 0;
      color: #9fb0c8;
      font-size: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      font-size: 14px;
    }

    .footer-links a,
    .footer-links span {
      color: #aebed3;
    }

    .footer-links a:hover {
      color: #fff;
    }

    .footer-bottom {
      min-height: 70px;
      padding: 17px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: #8599b6;
      font-size: 13px;
    }

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

      .hamburger {
        display: grid;
      }

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

    @media (max-width: 850px) {
      .category-page .article-card {
        grid-template-columns: 260px minmax(0, 1fr);
      }

      .category-page .article-cover {
        min-height: 290px;
      }

      .category-page .article-body {
        padding: 23px;
      }

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

    @media (max-width: 680px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

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

      .topbar-links {
        align-items: flex-end;
        flex-direction: column;
        gap: 1px;
      }

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

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

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

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

      .category-page .category-intro {
        padding: 48px 0 56px;
      }

      .category-page .category-heading > p:last-child {
        font-size: 15px;
      }

      .category-page .tools-inner,
      .category-page .section-head {
        align-items: flex-start;
        flex-direction: column;
      }

      .category-page .article-section {
        padding: 45px 0 60px;
      }

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

      .category-page .article-cover {
        min-height: 215px;
        aspect-ratio: 16 / 9;
      }

      .category-page .article-body {
        padding: 22px;
      }

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

      .footer-grid {
        padding-top: 44px;
        grid-template-columns: 1fr;
        gap: 30px;
      }

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

    @media (max-width: 430px) {
      .topbar-inner > span {
        display: none;
      }

      .topbar-links {
        width: 100%;
        align-items: center;
        flex-direction: row;
        justify-content: space-between;
        gap: 10px;
      }

      .topbar-links a {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .category-page .quick-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        width: 100%;
      }

      .category-page .quick-links a {
        text-align: center;
      }
    }