:root {
      --primary: #0B3D91;
      --primary-dark: #072b68;
      --accent: #d99b32;
      --sand: #f7f1e6;
      --ink: #251b12;
      --muted: #6f665d;
      --line: #e8dfd2;
      --white: #fff;
      --shadow: 0 18px 50px rgba(42, 29, 16, .1);
      --radius: 18px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: #fcfaf7;
      font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
      line-height: 1.65;
    }
    body.drawer-locked { overflow: hidden; }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

    .topbar {
      color: #f9f4ec;
      background: #251b12;
      font-size: 13px;
    }
    .topbar-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .topbar-contact { display: flex; gap: 20px; }
    .topbar a:hover { color: #efbd68; }

    .header {
      position: sticky;
      z-index: 100;
      top: 0;
      background: rgba(255,255,255,.96);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }
    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
      color: var(--primary);
      font-size: 19px;
      font-weight: 800;
    }
    .logo img {
      width: 42px;
      height: 42px;
      object-fit: contain;
      border-radius: 10px;
    }
    .main-nav { margin-left: auto; }
    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .nav-item { position: relative; }
    .nav-link {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 27px 11px;
      font-size: 15px;
      font-weight: 700;
    }
    .nav-link:hover { color: var(--primary); }
    .has-arrow::after {
      content: "";
      width: 6px;
      height: 6px;
      border-right: 2px solid currentColor;
      border-bottom: 2px solid currentColor;
      transform: rotate(45deg) translateY(-2px);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: calc(100% - 2px);
      left: 50%;
      width: 260px;
      padding: 18px;
      visibility: hidden;
      opacity: 0;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 0 0 16px 16px;
      box-shadow: var(--shadow);
      transform: translate(-50%, 12px);
      transition: .2s ease;
    }
    .mega-menu { width: 680px; }
    .mega-wide { width: 860px; }
    .nav-item:hover > .dropdown-panel,
    .nav-item:hover > .mega-menu,
    .nav-item:focus-within > .dropdown-panel,
    .nav-item:focus-within > .mega-menu {
      visibility: visible;
      opacity: 1;
      transform: translate(-50%, 0);
    }
    .dropdown-panel > a {
      display: block;
      padding: 9px 10px;
      border-radius: 8px;
      font-size: 14px;
    }
    .dropdown-panel > a:hover { color: var(--primary); background: #f2f6fc; }
    .dropdown-all,
    .mega-footer {
      margin-top: 12px;
      color: var(--primary);
      border-top: 1px solid var(--line);
      font-weight: 800;
    }
    .mega-title {
      margin: 0 0 13px;
      font-size: 16px;
    }
    .mega-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }
    .mega-card {
      min-width: 0;
      padding: 12px;
      background: #faf7f2;
      border: 1px solid #eee5d8;
      border-radius: 12px;
    }
    .mega-card:hover {
      border-color: #cfaa6c;
      transform: translateY(-2px);
    }
    .mega-card img {
      width: 36px;
      height: 36px;
      margin-bottom: 8px;
      object-fit: contain;
      border-radius: 8px;
    }
    .mega-card img.video-thumb,
    .mega-card img.product-thumb {
      width: 100%;
      height: 72px;
      object-fit: cover;
    }
    .mega-card strong {
      display: block;
      overflow: hidden;
      font-size: 14px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .mega-card p {
      display: -webkit-box;
      overflow: hidden;
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 12px;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }
    .mega-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-top: 7px;
      color: var(--muted);
      font-size: 11px;
    }
    .mega-footer {
      display: block;
      padding-top: 13px;
      text-align: right;
    }
    .mega-columns {
      display: grid;
      grid-template-columns: 180px 1fr;
      gap: 22px;
    }
    .mega-categories a {
      display: block;
      padding: 7px 8px;
      border-radius: 7px;
      font-size: 14px;
    }
    .mega-categories a:hover { color: var(--primary); background: #f2f6fc; }

    .header-btns {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .account-btn {
      padding: 10px 15px;
      color: #fff;
      background: var(--primary);
      border-radius: 10px;
      font-weight: 800;
      white-space: nowrap;
    }
    .account-btn:hover { background: var(--primary-dark); }
    .hamburger {
      display: none;
      width: 42px;
      height: 42px;
      padding: 9px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 10px;
      cursor: pointer;
    }
    .hamburger span {
      display: block;
      height: 2px;
      margin: 5px 0;
      background: var(--ink);
      transition: .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: 199;
      inset: 0;
      visibility: hidden;
      opacity: 0;
      background: rgba(23,16,10,.58);
      transition: .25s ease;
    }
    .drawer-overlay.open { visibility: visible; opacity: 1; }
    .mobile-drawer {
      position: fixed;
      z-index: 200;
      top: 0;
      right: 0;
      width: min(390px, 88vw);
      height: 100vh;
      overflow-y: auto;
      background: #fff;
      box-shadow: -20px 0 50px rgba(0,0,0,.18);
      transform: translateX(105%);
      transition: .28s ease;
    }
    .mobile-drawer.open { transform: translateX(0); }
    .drawer-head {
      min-height: 72px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 15px 20px;
      border-bottom: 1px solid var(--line);
    }
    .drawer-head > a { color: var(--primary); font-weight: 800; }
    .drawer-close {
      width: 38px;
      height: 38px;
      margin-left: auto;
      background: #f5f1ea;
      border: 0;
      border-radius: 50%;
      font-size: 25px;
      cursor: pointer;
    }
    .drawer-menu { padding: 12px 20px 30px; }
    .drawer-link,
    .drawer-toggle {
      width: 100%;
      display: flex;
      justify-content: space-between;
      padding: 14px 4px;
      color: var(--ink);
      background: none;
      border: 0;
      border-bottom: 1px solid var(--line);
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }
    .drawer-toggle::after { content: "＋"; }
    .drawer-toggle.active::after { content: "－"; }
    .drawer-submenu {
      display: none;
      padding: 6px 0 10px 15px;
    }
    .drawer-submenu.open { display: block; }
    .drawer-submenu a {
      display: block;
      padding: 9px 5px;
      color: var(--muted);
      font-size: 14px;
    }

    .tag-index-page {
      min-height: 620px;
      padding-bottom: 80px;
    }
    .tag-banner {
      position: relative;
      overflow: hidden;
      padding: 78px 0 70px;
      color: #fff;
      background:
        radial-gradient(circle at 15% 25%, rgba(217,155,50,.4), transparent 28%),
        radial-gradient(circle at 85% 70%, rgba(255,223,167,.16), transparent 30%),
        linear-gradient(135deg, #251b12, #49331e);
    }
    .tag-banner::before,
    .tag-banner::after {
      position: absolute;
      content: "";
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 50%;
    }
    .tag-banner::before {
      width: 310px;
      height: 310px;
      top: -190px;
      right: 8%;
    }
    .tag-banner::after {
      width: 180px;
      height: 180px;
      bottom: -110px;
      left: 7%;
    }
    .tag-banner-inner {
      position: relative;
      z-index: 1;
      max-width: 820px;
      margin: 0 auto;
      text-align: center;
    }
    .tag-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
      padding: 6px 13px;
      color: #ffe1aa;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
    }
    .tag-banner h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.18;
    }
    .tag-banner p {
      max-width: 680px;
      margin: 18px auto 0;
      color: #e9ded0;
      font-size: 17px;
    }
    .tag-summary {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-top: 26px;
    }
    .tag-summary span {
      padding: 8px 14px;
      color: #f7dfb5;
      background: rgba(255,255,255,.08);
      border-radius: 999px;
      font-size: 13px;
    }

    .tag-cloud-section {
      position: relative;
      z-index: 2;
      margin-top: -28px;
    }
    .tag-cloud-panel {
      padding: 34px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 22px;
      box-shadow: var(--shadow);
    }
    .section-heading {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 24px;
    }
    .section-heading h2 {
      margin: 0;
      font-size: 27px;
    }
    .section-heading p {
      margin: 4px 0 0;
      color: var(--muted);
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 13px;
    }
    .tag-cloud-item {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      min-height: 48px;
      padding: 10px 17px;
      color: #49331e;
      background: var(--sand);
      border: 1px solid #ead9bd;
      border-radius: 13px;
      font-weight: 800;
      transition: .2s ease;
    }
    .tag-cloud-item::before {
      content: "#";
      color: var(--accent);
      font-size: 18px;
    }
    .tag-cloud-item:hover {
      color: #fff;
      background: var(--primary);
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: 0 10px 24px rgba(11,61,145,.2);
    }
    .tag-cloud-item:hover::before { color: #fff; }
    .tag-count {
      padding: 2px 7px;
      color: var(--muted);
      background: rgba(255,255,255,.7);
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
    }
    .tag-guide {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      margin-top: 26px;
    }
    .guide-card {
      padding: 23px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
    }
    .guide-icon {
      width: 43px;
      height: 43px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      color: #fff;
      background: var(--primary);
      border-radius: 12px;
      font-size: 21px;
      font-weight: 900;
    }
    .guide-card h3 { margin: 0 0 7px; font-size: 18px; }
    .guide-card p { margin: 0; color: var(--muted); font-size: 14px; }

    .footer {
      color: #ded6cd;
      background: #211912;
    }
    .footer-main {
      display: grid;
      grid-template-columns: 1.45fr 1fr 1fr 1fr;
      gap: 38px;
      padding: 58px 0 40px;
    }
    .footer .logo { color: #fff; }
    .footer h3 { margin: 0 0 17px; color: #fff; font-size: 16px; }
    .footer p { margin: 8px 0; font-size: 14px; }
    .footer-brand > p { max-width: 360px; }
    .footer-links a {
      display: block;
      padding: 5px 0;
      color: #cfc5ba;
      font-size: 14px;
    }
    .footer a:hover { color: #efbd68; }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding: 20px 0 26px;
      border-top: 1px solid rgba(255,255,255,.1);
      font-size: 13px;
    }

    @media (max-width: 1080px) {
      .main-nav { display: none; }
      .hamburger { display: block; }
      .header-btns { margin-left: auto; }
      .footer-main { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 720px) {
      .container { width: min(100% - 28px, 1180px); }
      .topbar-welcome { display: none; }
      .topbar-inner { justify-content: center; }
      .topbar-contact { gap: 12px; }
      .header-inner { min-height: 68px; }
      .header .logo span { display: none; }
      .account-btn { display: none; }
      .tag-banner { padding: 58px 0 55px; }
      .tag-banner p { font-size: 15px; }
      .tag-summary { flex-wrap: wrap; }
      .tag-cloud-panel { padding: 23px 18px; }
      .section-heading { display: block; }
      .tag-cloud { gap: 9px; }
      .tag-cloud-item {
        min-height: 43px;
        padding: 8px 12px;
        font-size: 14px;
      }
      .tag-guide { grid-template-columns: 1fr; }
      .footer-main { grid-template-columns: 1fr; gap: 25px; }
      .footer-bottom { flex-direction: column; }
    }