:root {
      --theme: #0B3D91;
      --template-theme: {主题色};
      --theme-dark: #072b68;
      --theme-light: #eaf1fc;
      --ink: #172033;
      --muted: #657085;
      --line: #dfe4ec;
      --surface: #ffffff;
      --soft: #f5f7fa;
      --danger: #b42318;
      --shadow: 0 14px 38px rgba(15, 30, 55, .10);
    }

    * {
      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: 1.7;
    }

    body,
    button,
    input {
      font-family: 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 {
      min-height: 36px;
      color: #dbe7fb;
      background: #081a37;
      font-size: 13px;
    }

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

    .topbar a {
      margin-left: 20px;
      color: #dbe7fb;
      transition: color .2s ease;
    }

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

    .header {
      position: relative;
      z-index: 30;
      background: rgba(255, 255, 255, .98);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 26px;
    }

    .logo {
      min-width: 176px;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--theme);
      font-size: 19px;
      font-weight: 800;
      white-space: nowrap;
    }

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

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

    .nav-list {
      margin: 0;
      padding: 0;
      display: flex;
      align-items: stretch;
      justify-content: center;
      list-style: none;
    }

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

    .nav-link {
      min-height: 76px;
      padding: 0 13px;
      display: inline-flex;
      align-items: center;
      color: #273247;
      font-size: 15px;
      font-weight: 650;
      white-space: nowrap;
      transition: color .2s ease;
    }

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

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

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      z-index: 40;
      visibility: hidden;
      padding: 22px;
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(8px);
      transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
    }

    .dropdown-panel {
      left: 0;
      width: 310px;
    }

    .mega-menu {
      left: 50%;
      width: min(860px, calc(100vw - 40px));
      transform: translate(-50%, 8px);
    }

    .dropdown-panel::before,
    .mega-menu::before {
      position: absolute;
      right: 0;
      bottom: 100%;
      left: 0;
      height: 10px;
      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;
    }

    .nav-item:hover > .dropdown-panel,
    .nav-item:focus-within > .dropdown-panel {
      transform: translateY(0);
    }

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

    .mega-title {
      margin: 0 0 12px;
      color: #69758a;
      font-size: 12px;
      font-weight: 800;
    }

    .dropdown-panel > a:not(.mega-footer) {
      display: block;
      padding: 10px 0;
      border-bottom: 1px solid #edf0f4;
      color: #263248;
      font-size: 14px;
    }

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

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

    .mega-card {
      min-width: 0;
      min-height: 108px;
      padding: 13px;
      display: grid;
      grid-template-columns: 46px minmax(0, 1fr);
      align-content: start;
      gap: 4px 11px;
      border: 1px solid #e4e8ef;
      border-radius: 6px;
      background: #ffffff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .mega-card:hover {
      border-color: #9db6dd;
      box-shadow: 0 8px 22px rgba(11, 61, 145, .10);
    }

    .mega-card img {
      width: 46px;
      height: 46px;
      grid-row: 1 / span 3;
      object-fit: contain;
      border-radius: 4px;
      background: #f4f6f9;
    }

    .mega-card strong,
    .mega-card small {
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .mega-card strong {
      color: #18243a;
      font-size: 14px;
      white-space: nowrap;
    }

    .mega-card small {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.5;
    }

    .mega-links {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .mega-links a {
      padding: 7px 12px;
      border: 1px solid #dce3ed;
      border-radius: 4px;
      color: #3b485e;
      background: #f8fafc;
      font-size: 13px;
    }

    .mega-links a:hover {
      color: var(--theme);
      border-color: #a9bddd;
      background: var(--theme-light);
    }

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

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

    .member-link,
    .open-account {
      min-height: 38px;
      padding: 0 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      font-size: 14px;
      font-weight: 700;
    }

    .member-link {
      color: var(--theme);
      border: 1px solid #b5c6e2;
      background: #ffffff;
    }

    .open-account {
      color: #ffffff;
      border: 1px solid var(--theme);
      background: var(--theme);
    }

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

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

    .hamburger {
      width: 42px;
      height: 42px;
      padding: 10px;
      display: none;
      border: 0;
      background: transparent;
      cursor: pointer;
    }

    .hamburger span {
      width: 22px;
      height: 2px;
      margin: 5px auto;
      display: block;
      background: #1d2b42;
      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: 80;
      visibility: hidden;
      background: rgba(7, 18, 35, .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: 90;
      width: min(390px, 90vw);
      overflow-y: auto;
      background: #ffffff;
      box-shadow: -16px 0 50px rgba(9, 22, 44, .2);
      transform: translateX(105%);
      transition: transform .25s ease;
    }

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

    .drawer-head {
      min-height: 70px;
      padding: 13px 18px;
      display: flex;
      align-items: center;
      gap: 12px;
      color: #ffffff;
      background: var(--theme);
    }

    .drawer-head > a {
      padding: 7px 10px;
      border: 1px solid rgba(255, 255, 255, .45);
      border-radius: 4px;
      font-size: 14px;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      margin-left: auto;
      border: 0;
      color: #ffffff;
      background: transparent;
      font-size: 29px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 12px 18px 28px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 49px;
      padding: 11px 4px;
      display: flex;
      align-items: center;
      border: 0;
      border-bottom: 1px solid #e7ebf1;
      background: transparent;
      color: #253148;
      font-size: 15px;
      font-weight: 700;
      text-align: left;
      cursor: pointer;
    }

    .drawer-toggle::after {
      width: 8px;
      height: 8px;
      margin-left: auto;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      content: "";
      transform: rotate(45deg);
      transition: transform .2s ease;
    }

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

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: #f5f8fc;
      transition: max-height .3s ease;
    }

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

    .drawer-submenu a {
      padding: 10px 16px;
      display: block;
      color: #536078;
      border-bottom: 1px solid #e4e9f0;
      font-size: 13px;
    }

    .about-page {
      overflow: hidden;
    }

    .about-page .about-intro {
      position: relative;
      padding: 86px 0 82px;
      color: #ffffff;
      background:
        linear-gradient(rgba(5, 22, 49, .83), rgba(5, 22, 49, .93)),
        url("{模板路径}/images/about-cover.jpg") center / cover no-repeat;
    }

    .about-page .about-intro::after {
      position: absolute;
      right: 0;
      bottom: 0;
      left: 0;
      height: 5px;
      content: "";
      background: linear-gradient(90deg, #0B3D91 0 54%, #b99a4b 54% 76%, #b42318 76%);
    }

    .about-page .intro-inner {
      position: relative;
      z-index: 1;
      max-width: 870px;
    }

    .about-page .breadcrumb {
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 9px;
      color: #c8d5e9;
      font-size: 14px;
    }

    .about-page .breadcrumb a:hover {
      color: #ffffff;
    }

    .about-page .intro-label {
      margin: 0 0 13px;
      color: #e0c779;
      font-size: 13px;
      font-weight: 800;
    }

    .about-page .about-intro h1 {
      max-width: 800px;
      margin: 0;
      font-size: clamp(34px, 5vw, 62px);
      line-height: 1.15;
      letter-spacing: 0;
    }

    .about-page .intro-copy {
      max-width: 760px;
      margin: 22px 0 0;
      color: #dce5f2;
      font-size: 18px;
      line-height: 1.9;
    }

    .about-page .intro-actions {
      margin-top: 31px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .about-page .primary-action,
    .about-page .secondary-action {
      min-height: 46px;
      padding: 0 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      font-size: 15px;
      font-weight: 800;
    }

    .about-page .primary-action {
      color: #ffffff;
      border: 1px solid #b42318;
      background: #b42318;
    }

    .about-page .secondary-action {
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, .52);
      background: rgba(255, 255, 255, .06);
    }

    .about-page .primary-action:hover {
      background: #8e1b13;
    }

    .about-page .secondary-action:hover {
      background: rgba(255, 255, 255, .13);
    }

    .about-page .section {
      padding: 82px 0;
    }

    .about-page .section-soft {
      background: var(--soft);
    }

    .about-page .section-head {
      max-width: 760px;
      margin-bottom: 35px;
    }

    .about-page .section-kicker {
      margin: 0 0 7px;
      color: var(--theme);
      font-size: 13px;
      font-weight: 850;
    }

    .about-page .section-head h2 {
      margin: 0;
      color: #142039;
      font-size: 32px;
      line-height: 1.3;
      letter-spacing: 0;
    }

    .about-page .section-head p {
      margin: 13px 0 0;
      color: var(--muted);
      font-size: 16px;
    }

    .about-page .principle-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      border-top: 1px solid var(--line);
      border-left: 1px solid var(--line);
    }

    .about-page .principle-item {
      min-height: 255px;
      padding: 30px;
      border-right: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: #ffffff;
    }

    .about-page .principle-index {
      width: 38px;
      height: 38px;
      margin-bottom: 26px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      border-radius: 50%;
      background: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .about-page .principle-item:nth-child(2) .principle-index {
      background: #b99a4b;
    }

    .about-page .principle-item:nth-child(3) .principle-index {
      background: #b42318;
    }

    .about-page .principle-item h3 {
      margin: 0 0 10px;
      color: #18243a;
      font-size: 20px;
    }

    .about-page .principle-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .about-page .service-layout {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
      gap: 62px;
      align-items: start;
    }

    .about-page .service-summary {
      position: sticky;
      top: 24px;
    }

    .about-page .service-summary h2 {
      margin: 0;
      color: #142039;
      font-size: 34px;
      line-height: 1.3;
      letter-spacing: 0;
    }

    .about-page .service-summary p {
      margin: 17px 0 0;
      color: var(--muted);
    }

    .about-page .service-summary a {
      margin-top: 25px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--theme);
      font-weight: 800;
    }

    .about-page .service-summary a::after {
      content: "→";
    }

    .about-page .service-list {
      border-top: 1px solid #cad2df;
    }

    .about-page .service-item {
      padding: 25px 0;
      display: grid;
      grid-template-columns: 64px minmax(0, 1fr);
      gap: 20px;
      border-bottom: 1px solid #cad2df;
    }

    .about-page .service-number {
      color: var(--theme);
      font-size: 18px;
      font-weight: 850;
    }

    .about-page .service-item h3 {
      margin: 0 0 8px;
      color: #18243a;
      font-size: 20px;
    }

    .about-page .service-item p {
      margin: 0;
      color: var(--muted);
    }

    .about-page .method-strip {
      color: #ffffff;
      background: #091c3b;
    }

    .about-page .method-strip .section-head h2 {
      color: #ffffff;
    }

    .about-page .method-strip .section-head p {
      color: #bac9de;
    }

    .about-page .method-strip .section-kicker {
      color: #e0c779;
    }

    .about-page .method-flow {
      position: relative;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 0;
    }

    .about-page .method-flow::before {
      position: absolute;
      top: 24px;
      right: 12.5%;
      left: 12.5%;
      height: 1px;
      content: "";
      background: rgba(255, 255, 255, .28);
    }

    .about-page .method-step {
      position: relative;
      padding: 0 24px;
      text-align: center;
    }

    .about-page .method-dot {
      position: relative;
      z-index: 1;
      width: 49px;
      height: 49px;
      margin: 0 auto 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #091c3b;
      border: 5px solid #304260;
      border-radius: 50%;
      background: #e0c779;
      font-size: 14px;
      font-weight: 900;
    }

    .about-page .method-step h3 {
      margin: 0 0 8px;
      color: #ffffff;
      font-size: 18px;
    }

    .about-page .method-step p {
      margin: 0;
      color: #b9c6d8;
      font-size: 14px;
    }

    .about-page .trust-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .about-page .trust-item {
      padding: 26px;
      border: 1px solid var(--line);
      border-radius: 6px;
      background: #ffffff;
    }

    .about-page .trust-item h3 {
      margin: 0 0 8px;
      color: #18243a;
      font-size: 19px;
    }

    .about-page .trust-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .about-page .risk-note {
      margin-top: 24px;
      padding: 22px 24px;
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      gap: 17px;
      border-left: 4px solid #b42318;
      background: #fff6f5;
    }

    .about-page .risk-mark {
      color: #b42318;
      font-size: 20px;
      font-weight: 900;
    }

    .about-page .risk-note strong {
      display: block;
      color: #6f1b15;
    }

    .about-page .risk-note p {
      margin: 4px 0 0;
      color: #76524f;
      font-size: 14px;
    }

    .about-page .about-cta {
      padding: 68px 0;
      color: #ffffff;
      background: var(--theme);
    }

    .about-page .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 34px;
    }

    .about-page .cta-inner h2 {
      margin: 0;
      font-size: 30px;
      line-height: 1.3;
      letter-spacing: 0;
    }

    .about-page .cta-inner p {
      margin: 8px 0 0;
      color: #dbe7f8;
    }

    .about-page .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      flex-shrink: 0;
    }

    .about-page .cta-actions a {
      min-height: 44px;
      padding: 0 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      font-weight: 800;
    }

    .about-page .cta-actions a:first-child {
      color: var(--theme);
      background: #ffffff;
    }

    .about-page .cta-actions a:last-child {
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, .55);
    }

    .footer {
      padding: 58px 0 0;
      color: #bbc8da;
      background: #07162f;
    }

    .footer-grid {
      padding-bottom: 42px;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 42px;
    }

    .footer h3,
    .footer h4 {
      margin: 0 0 16px;
      color: #ffffff;
      letter-spacing: 0;
    }

    .footer h3 {
      font-size: 21px;
    }

    .footer h4 {
      font-size: 15px;
    }

    .footer p {
      margin: 0 0 12px;
      font-size: 13px;
      line-height: 1.8;
    }

    .footer-grid > div:not(.footer-brand) > a {
      margin: 8px 0;
      display: block;
      color: #bbc8da;
      font-size: 13px;
    }

    .footer a:hover {
      color: #ffffff;
    }

    .social-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .social-links a {
      padding: 7px 10px;
      border: 1px solid #30415e;
      border-radius: 4px;
      font-size: 12px;
    }

    .footer-bottom {
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      border-top: 1px solid #263651;
      color: #91a1b9;
      font-size: 12px;
    }

    @media (max-width: 1100px) {
      .main-nav {
        display: none;
      }

      .hamburger {
        display: block;
      }

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

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

    @media (max-width: 820px) {
      .about-page .principle-grid {
        grid-template-columns: 1fr;
      }

      .about-page .service-layout {
        grid-template-columns: 1fr;
        gap: 34px;
      }

      .about-page .service-summary {
        position: static;
      }

      .about-page .method-flow {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 34px 0;
      }

      .about-page .method-flow::before {
        display: none;
      }

      .about-page .trust-grid {
        grid-template-columns: 1fr;
      }

      .about-page .cta-inner {
        align-items: flex-start;
        flex-direction: column;
      }

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

    @media (max-width: 620px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

      .topbar .container {
        padding: 8px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 3px;
      }

      .topbar a {
        margin: 0 14px 0 0;
      }

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

      .logo {
        min-width: 0;
        max-width: 48%;
        font-size: 16px;
      }

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

      .member-link {
        display: none;
      }

      .open-account {
        min-height: 36px;
        padding: 0 11px;
        font-size: 13px;
      }

      .about-page .about-intro {
        padding: 56px 0 58px;
      }

      .about-page .about-intro h1 {
        font-size: 36px;
      }

      .about-page .intro-copy {
        font-size: 16px;
      }

      .about-page .section {
        padding: 58px 0;
      }

      .about-page .section-head h2,
      .about-page .service-summary h2 {
        font-size: 27px;
      }

      .about-page .principle-item {
        min-height: 0;
        padding: 24px;
      }

      .about-page .service-item {
        grid-template-columns: 42px minmax(0, 1fr);
        gap: 12px;
      }

      .about-page .method-flow {
        grid-template-columns: 1fr;
      }

      .about-page .method-step {
        padding: 0;
      }

      .about-page .risk-note {
        grid-template-columns: 1fr;
      }

      .about-page .cta-inner h2 {
        font-size: 25px;
      }

      .about-page .cta-actions,
      .about-page .cta-actions a {
        width: 100%;
      }

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

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