:root {
      --theme: #0B3D91;
      --theme-dark: #072b68;
      --theme-light: #eaf1ff;
      --accent: #ff725e;
      --cream: #fff8eb;
      --ink: #20242c;
      --muted: #687181;
      --line: #e3e8f0;
      --surface: #ffffff;
      --page: #f5f7fb;
      --success: #168466;
      --shadow: 0 18px 50px rgba(24, 42, 74, .11);
      --radius: 20px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--page);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    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 {
      position: relative;
      z-index: 110;
      color: rgba(255, 255, 255, .86);
      background: #071c3d;
      font-size: 13px;
    }

    .topbar .container {
      min-height: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .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: 100;
      border-bottom: 1px solid rgba(11, 61, 145, .09);
      background: rgba(255, 255, 255, .98);
      box-shadow: 0 5px 24px rgba(24, 42, 74, .05);
    }

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

    .logo {
      min-width: 0;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--theme);
      font-size: 19px;
      font-weight: 800;
      letter-spacing: -.02em;
    }

    .logo img {
      width: 42px;
      height: 42px;
      flex: 0 0 auto;
      border-radius: 12px;
      object-fit: contain;
      background: #fff;
    }

    .logo span {
      max-width: 180px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

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

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

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

    .nav-link {
      position: relative;
      padding: 0 13px;
      display: flex;
      align-items: center;
      color: #2d3542;
      font-size: 15px;
      font-weight: 650;
      white-space: nowrap;
      transition: color .2s ease;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      right: 13px;
      bottom: 17px;
      left: 13px;
      height: 2px;
      border-radius: 5px;
      background: var(--theme);
      opacity: 0;
      transform: scaleX(.4);
      transition: .2s ease;
    }

    .nav-link.has-arrow {
      padding-right: 27px;
    }

    .nav-link.has-arrow::before {
      content: "";
      position: absolute;
      top: 50%;
      right: 13px;
      width: 6px;
      height: 6px;
      margin-top: -5px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: 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(3px) rotate(225deg);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      z-index: 90;
      padding-top: 0;
      visibility: hidden;
      opacity: 0;
      transform: translateY(8px);
      pointer-events: none;
      transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    }

    .dropdown-panel {
      width: 330px;
      margin-left: -40px;
    }

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

    .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-inner,
    .mega-inner {
      border: 1px solid var(--line);
      background: #fff;
      box-shadow: 0 24px 54px rgba(20, 37, 69, .15);
    }

    .dropdown-inner {
      padding: 14px;
      border-radius: 0 0 16px 16px;
    }

    .dropdown-inner > a:not(.mega-footer) {
      padding: 10px 12px;
      display: block;
      overflow: hidden;
      border-radius: 9px;
      color: #3b4554;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .dropdown-inner > a:not(.mega-footer):hover {
      color: var(--theme);
      background: var(--theme-light);
    }

    .mega-inner {
      width: min(1180px, calc(100% - 40px));
      max-height: min(640px, calc(100vh - 130px));
      margin: 0 auto;
      padding: 24px;
      overflow-y: auto;
      border-radius: 0 0 22px 22px;
    }

    .mega-heading {
      margin: 0 0 14px;
      color: #253044;
      font-size: 15px;
      font-weight: 800;
    }

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

    .mega-card {
      min-width: 0;
      padding: 11px;
      display: flex;
      align-items: center;
      gap: 12px;
      border: 1px solid #e6eaf1;
      border-radius: 13px;
      background: #fbfcfe;
      transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    .mega-card:hover {
      border-color: rgba(11, 61, 145, .28);
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(11, 61, 145, .08);
    }

    .mega-card img {
      width: 47px;
      height: 47px;
      flex: 0 0 auto;
      border-radius: 11px;
      object-fit: cover;
      background: #eef2f8;
    }

    .mega-card span {
      min-width: 0;
      display: block;
    }

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

    .mega-card strong {
      color: #283246;
      font-size: 14px;
    }

    .mega-card small {
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
    }

    .mega-columns {
      display: grid;
      grid-template-columns: minmax(180px, .6fr) minmax(0, 2fr);
      gap: 28px;
    }

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

    .mega-links a {
      padding: 8px 10px;
      border-radius: 8px;
      color: #4e5969;
      font-size: 14px;
    }

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

    .mega-footer {
      margin-top: 17px;
      padding: 11px 14px;
      display: block;
      border-radius: 10px;
      color: var(--theme);
      background: var(--theme-light);
      text-align: center;
      font-size: 14px;
      font-weight: 750;
    }

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

    .member-btn,
    .open-btn {
      padding: 9px 14px;
      border-radius: 9px;
      font-size: 14px;
      font-weight: 750;
      white-space: nowrap;
      transition: .2s ease;
    }

    .member-btn {
      color: var(--theme);
      border: 1px solid rgba(11, 61, 145, .24);
      background: #fff;
    }

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

    .open-btn {
      color: #fff;
      border: 1px solid var(--theme);
      background: var(--theme);
      box-shadow: 0 7px 18px rgba(11, 61, 145, .19);
    }

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

    .hamburger {
      width: 42px;
      height: 42px;
      padding: 0;
      display: none;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
      cursor: pointer;
    }

    .hamburger span {
      width: 20px;
      height: 2px;
      border-radius: 3px;
      background: var(--ink);
      transition: .22s 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: 199;
      visibility: hidden;
      background: rgba(7, 20, 42, .56);
      opacity: 0;
      transition: .25s ease;
    }

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

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      z-index: 200;
      width: min(390px, 90vw);
      overflow-y: auto;
      background: #fff;
      box-shadow: -20px 0 60px rgba(7, 20, 42, .25);
      transform: translateX(105%);
      transition: transform .28s ease;
    }

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

    .drawer-head {
      min-height: 76px;
      padding: 14px 18px;
      display: flex;
      align-items: center;
      gap: 11px;
      color: #fff;
      background: var(--theme);
    }

    .drawer-head strong {
      margin-right: auto;
      font-size: 15px;
    }

    .drawer-head > a {
      padding: 6px 11px;
      border: 1px solid rgba(255, 255, 255, .4);
      border-radius: 8px;
      font-size: 13px;
    }

    .drawer-close {
      width: 34px;
      height: 34px;
      padding: 0;
      border: 0;
      color: #fff;
      background: transparent;
      font-size: 28px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 14px 18px 30px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      padding: 14px 4px;
      display: block;
      border: 0;
      border-bottom: 1px solid var(--line);
      background: transparent;
      text-align: left;
      font-weight: 750;
      cursor: pointer;
    }

    .drawer-toggle {
      position: relative;
    }

    .drawer-toggle::after {
      content: "+";
      position: absolute;
      right: 5px;
      color: var(--theme);
      font-size: 20px;
      line-height: 1;
    }

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

    .drawer-submenu {
      max-height: 0;
      padding: 0 10px;
      overflow: hidden;
      background: #f7f9fc;
      transition: max-height .3s ease, padding .3s ease;
    }

    .drawer-submenu.open {
      max-height: 620px;
      padding: 8px 10px;
    }

    .drawer-submenu a {
      padding: 9px 5px;
      display: block;
      color: #566173;
      border-bottom: 1px dashed #dce2ec;
      font-size: 14px;
    }

    .drawer-submenu a:last-child {
      border-bottom: 0;
    }

    .productlist-main {
      min-width: 0;
    }

    .productlist-main .catalog-hero {
      position: relative;
      padding: 72px 0 92px;
      overflow: hidden;
      color: #fff;
      background:
        radial-gradient(circle at 12% 22%, rgba(255, 114, 94, .25), transparent 27%),
        radial-gradient(circle at 86% 76%, rgba(255, 255, 255, .12), transparent 23%),
        linear-gradient(135deg, #071d42 0%, var(--theme) 62%, #1557b6 100%);
    }

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

    .productlist-main .catalog-hero::before {
      top: -160px;
      right: -100px;
      width: 420px;
      height: 420px;
    }

    .productlist-main .catalog-hero::after {
      bottom: -180px;
      left: -80px;
      width: 330px;
      height: 330px;
    }

    .productlist-main .catalog-intro {
      position: relative;
      z-index: 2;
      max-width: 790px;
      margin: 0 auto;
      text-align: center;
    }

    .productlist-main .catalog-kicker {
      margin: 0 0 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #fff4e2;
      font-size: 14px;
      font-weight: 750;
      letter-spacing: .12em;
    }

    .productlist-main .catalog-kicker::before,
    .productlist-main .catalog-kicker::after {
      content: "";
      width: 28px;
      height: 1px;
      background: rgba(255, 255, 255, .5);
    }

    .productlist-main .catalog-hero h1 {
      margin: 0;
      font-size: clamp(36px, 5vw, 62px);
      line-height: 1.12;
      letter-spacing: -.045em;
    }

    .productlist-main .catalog-hero p {
      max-width: 700px;
      margin: 20px auto 0;
      color: rgba(255, 255, 255, .78);
      font-size: 17px;
    }

    .productlist-main .catalog-stats {
      margin-top: 31px;
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
    }

    .productlist-main .catalog-stats span {
      padding: 8px 13px;
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
      backdrop-filter: blur(8px);
      font-size: 13px;
    }

    .productlist-main .catalog-shell {
      position: relative;
      z-index: 3;
      padding-bottom: 78px;
    }

    .productlist-main .category-panel {
      margin-top: -42px;
      padding: 25px;
      border: 1px solid rgba(227, 232, 240, .9);
      border-radius: 22px;
      background: rgba(255, 255, 255, .96);
      box-shadow: var(--shadow);
    }

    .productlist-main .panel-heading {
      margin-bottom: 18px;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
    }

    .productlist-main .panel-heading h2 {
      margin: 0;
      color: #1e2a3d;
      font-size: 23px;
      line-height: 1.3;
    }

    .productlist-main .panel-heading p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .productlist-main .current-badge {
      padding: 7px 11px;
      border-radius: 999px;
      color: var(--theme);
      background: var(--theme-light);
      font-size: 13px;
      font-weight: 750;
      white-space: nowrap;
    }

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

    .productlist-main .category-link {
      padding: 9px 15px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: #465165;
      background: #fff;
      font-size: 14px;
      font-weight: 650;
      transition: .2s ease;
    }

    .productlist-main .category-link:hover {
      color: #fff;
      border-color: var(--theme);
      background: var(--theme);
      transform: translateY(-2px);
    }

    .productlist-main .listing-head {
      margin: 52px 0 23px;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 22px;
    }

    .productlist-main .listing-head h2 {
      margin: 0;
      color: #202a3a;
      font-size: clamp(25px, 3vw, 34px);
      line-height: 1.25;
    }

    .productlist-main .listing-head p {
      max-width: 590px;
      margin: 7px 0 0;
      color: var(--muted);
    }

    .productlist-main .listing-note {
      color: var(--success);
      font-size: 13px;
      font-weight: 750;
      white-space: nowrap;
    }

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

    .productlist-main .product-card {
      min-width: 0;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--surface);
      box-shadow: 0 10px 34px rgba(30, 48, 80, .06);
      transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
    }

    .productlist-main .product-card:hover {
      border-color: rgba(11, 61, 145, .28);
      transform: translateY(-6px);
      box-shadow: 0 22px 48px rgba(30, 48, 80, .13);
    }

    .productlist-main .product-image {
      position: relative;
      height: 214px;
      overflow: hidden;
      background: linear-gradient(145deg, #edf2f9, #dfe7f3);
    }

    .productlist-main .product-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
    }

    .productlist-main .product-card:hover .product-image img {
      transform: scale(1.045);
    }

    .productlist-main .product-label {
      position: absolute;
      top: 14px;
      left: 14px;
      padding: 6px 10px;
      border-radius: 999px;
      color: #fff;
      background: rgba(7, 29, 66, .82);
      backdrop-filter: blur(8px);
      font-size: 12px;
      font-weight: 750;
    }

    .productlist-main .product-body {
      min-width: 0;
      padding: 21px;
    }

    .productlist-main .product-body h3 {
      margin: 0;
      color: #222d40;
      font-size: 20px;
      line-height: 1.4;
    }

    .productlist-main .product-body h3 a {
      transition: color .2s ease;
    }

    .productlist-main .product-body h3 a:hover {
      color: var(--theme);
    }

    .productlist-main .product-summary {
      min-height: 76px;
      margin: 11px 0 17px;
      display: -webkit-box;
      overflow: hidden;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
    }

    .productlist-main .product-meta {
      padding-top: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      border-top: 1px solid #edf0f5;
      color: #7b8492;
      font-size: 12px;
    }

    .productlist-main .product-meta span {
      min-width: 0;
    }

    .productlist-main .product-action {
      margin-top: 17px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .productlist-main .product-price {
      color: var(--accent);
      font-size: 15px;
      font-weight: 800;
    }

    .productlist-main .detail-link {
      padding: 8px 13px;
      border-radius: 9px;
      color: #fff;
      background: var(--theme);
      font-size: 13px;
      font-weight: 750;
      transition: .2s ease;
    }

    .productlist-main .detail-link:hover {
      background: var(--theme-dark);
      transform: translateX(2px);
    }

    .productlist-main .pagination {
      margin-top: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .productlist-main .pagination a {
      min-width: 42px;
      height: 42px;
      padding: 0 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 10px;
      color: #4e5969;
      background: #fff;
      font-size: 14px;
      font-weight: 700;
      transition: .2s ease;
    }

    .productlist-main .pagination a:hover,
    .productlist-main .pagination a.active,
    .productlist-main .pagination a.current {
      color: #fff;
      border-color: var(--theme);
      background: var(--theme);
      box-shadow: 0 8px 18px rgba(11, 61, 145, .18);
    }

    .productlist-main .selection-guide {
      margin-top: 58px;
      padding: 32px;
      border-radius: 24px;
      color: #fff;
      background: linear-gradient(135deg, #202936, #303b4b);
    }

    .productlist-main .selection-guide h2 {
      margin: 0 0 21px;
      font-size: 26px;
    }

    .productlist-main .guide-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .productlist-main .guide-item {
      padding: 19px;
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 15px;
      background: rgba(255, 255, 255, .055);
    }

    .productlist-main .guide-item strong {
      display: block;
      color: #fff;
      font-size: 16px;
    }

    .productlist-main .guide-item p {
      margin: 7px 0 0;
      color: rgba(255, 255, 255, .69);
      font-size: 13px;
    }

    .footer {
      padding: 60px 0 0;
      color: rgba(255, 255, 255, .72);
      background: #07182f;
    }

    .footer-grid {
      padding-bottom: 42px;
      display: grid;
      grid-template-columns: 1.45fr .8fr .8fr .9fr;
      gap: 44px;
    }

    .footer .logo {
      margin-bottom: 17px;
      color: #fff;
    }

    .footer .logo img {
      background: rgba(255, 255, 255, .96);
    }

    .footer h3 {
      margin: 5px 0 17px;
      color: #fff;
      font-size: 15px;
    }

    .footer p {
      margin: 9px 0;
      font-size: 13px;
      line-height: 1.8;
    }

    .footer-grid > div:not(.footer-brand) > a {
      margin: 0 0 10px;
      display: block;
      font-size: 13px;
      transition: color .2s ease, transform .2s ease;
    }

    .footer-grid > div:not(.footer-brand) > a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-bottom {
      min-height: 66px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      font-size: 12px;
    }

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

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

      .hamburger {
        display: flex;
      }

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

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

    @media (max-width: 760px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

      .topbar .container {
        padding: 7px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
      }

      .topbar-links {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
      }

      .header-inner {
        min-height: 68px;
        gap: 10px;
      }

      .logo img {
        width: 37px;
        height: 37px;
      }

      .logo span {
        max-width: 125px;
        font-size: 16px;
      }

      .member-btn,
      .open-btn {
        display: none;
      }

      .productlist-main .catalog-hero {
        padding: 55px 0 76px;
      }

      .productlist-main .catalog-hero p {
        font-size: 15px;
      }

      .productlist-main .category-panel {
        margin-top: -30px;
        padding: 20px;
      }

      .productlist-main .panel-heading,
      .productlist-main .listing-head {
        align-items: flex-start;
        flex-direction: column;
      }

      .productlist-main .listing-head {
        margin-top: 40px;
      }

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

      .productlist-main .product-image {
        height: 225px;
      }

      .productlist-main .selection-guide {
        padding: 24px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
      }

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

    @media (max-width: 430px) {
      .topbar-links {
        align-items: flex-start;
        flex-direction: column;
      }

      .productlist-main .catalog-stats {
        align-items: stretch;
        flex-direction: column;
      }

      .productlist-main .catalog-stats span {
        text-align: center;
      }

      .productlist-main .category-links {
        gap: 8px;
      }

      .productlist-main .category-link {
        padding: 8px 12px;
      }

      .productlist-main .product-image {
        height: 198px;
      }
    }