* { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #f5f7fa;
            min-height: 100vh;
        }
        .header {
            background: #fff;
            box-shadow: 0 1px 3px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .logo {
            font-size: 18px;
            font-weight: bold;
            color: #2563eb;
            text-decoration: none;
        }
        .nav {
            display: flex;
            gap: 24px;
        }
        .nav a {
            color: #666;
            text-decoration: none;
            font-size: 15px;
            padding: 16px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        .nav a:hover, .nav a.active {
            color: #2563eb;
            border-bottom-color: #2563eb;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .header-right a {
            color: #666;
            text-decoration: none;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .header-right a:hover {
            color: #2563eb;
        }
        .header-right svg {
            width: 18px;
            height: 18px;
        }
        .main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        .hero {
            perspective: 1500px;
            margin-bottom: 20px;
        }
        .hero-card {
            position: relative;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            padding: 6px 4px;
            text-align: center;
            border-radius: 12px;
            transition: transform 0.6s;
            transform-style: preserve-3d;
            transform: translateZ(0);
        }
        .hero-card.is-flipped {
            transform: rotateY(180deg);
        }
      
    
        .hero-front, .hero-back {
            backface-visibility: hidden;
            -webkit-backface-visibility: hidden;
        }
        .hero-back {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            padding: 10px 15px;
            background: #fff;
            color: #1f2937;
            border-radius: 12px;
            transform: rotateY(180deg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .hero-cols {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 16px;
            width: 100%;
            text-align: left;
        }
        .hero-col h3 {
            font-size: 13px;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 8px;
            padding-bottom: 4px;
            border-bottom: 1px solid #e5e7eb;
        }
        .hero-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .hero-col li, .hero-col p {
            font-size: 13px;
            color: #4b5563;
            line-height: 1.6;
            margin-bottom: 4px;
        }
        .hero-col a {
            color: #2563eb;
            text-decoration: none;
        }
        .hero-col a:hover {
            text-decoration: underline;
        }
        .hero-col:nth-child(2) ul {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 0;
            align-items: center;
        }
        .hero-col:nth-child(2) li {
            margin-bottom: 0;
            padding: 0 8px;
            border-right: 1px solid #d1d5db;
            line-height: 1.2;
        }
        .hero-col:nth-child(2) li:last-child {
            border-right: 0;
        }
        @media (max-width: 768px) {
            .hero-cols {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .hero-btn {
            display: inline-block;
            margin-top: 2px;
            padding: 8px 24px;
            background: rgba(255,255,255,0.2);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.5);
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            transition: background 0.2s;
            font-family: inherit;
        }
        .hero-btn:hover {
            background: rgba(255,255,255,0.3);
        }
        .hero-back .hero-btn {
            background: #fff;
            color: #1f2937;
            border: 1px solid #1f2937;
            margin-top: -50px;
        }
        .hero-back .hero-btn:hover {
            background: #f3f4f6;
        }
        .section {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 20px;
            margin-bottom: 20px;
            color: #1f2937;
        }
        .shop-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: #fff;
            text-decoration: none;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 500;
            transition: transform 0.2s;
        }
        .shop-btn:hover {
            transform: translateY(-2px);
        }
        .article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .article-card {
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            transition: box-shadow 0.2s;
        }
        .article-card:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .article-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .article-card .content {
            padding: 16px;
        }
        .article-card .category {
            display: inline-block;
            background: #eff6ff;
            color: #2563eb;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
            margin-bottom: 8px;
        }
        .article-card h3 {
            font-size: 15px;
            margin-bottom: 8px;
        }
        .article-card h3 a {
            color: #333;
            text-decoration: none;
        }
        .article-card h3 a:hover {
            color: #2563eb;
        }
        .article-card .meta {
            font-size: 12px;
            color: #999;
        }
        .category-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 16px;
        }
        .category-item {
            background: #fff;
            padding: 16px;
            border-radius: 8px;
            text-decoration: none;
            color: #333;
            text-align: center;
            transition: box-shadow 0.2s;
        }
        .category-item:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .s-search-section {

            margin: 0 auto 40px;
            padding: 0 20px;
        }
        .s-search {
            background: #fff;
            border-radius: 12px;
            padding: 28px 24px 20px;
            box-shadow: 0 1px 4px rgba(0,0,0,0.06);
        }
        .s-type {
            margin-bottom: 16px;
        }
        .s-type-list {
            display: flex;
            justify-content: center;
            gap: 32px;
        }
        .s-type-list label {
            cursor: pointer;
            padding: 6px 2px;
            font-size: 16px;
            font-weight: 500;
            color: #999;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
            user-select: none;
        }
        .s-type-list label:hover {
            color: #333;
        }
        .s-type-list label.active {
            color: #2563eb;
            border-bottom-color: #2563eb;
        }
        .super-search-fm {
            display: flex;
            align-items: center;
            background: #f5f7fa;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            padding: 2px 2px 2px 16px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .super-search-fm:focus-within {
            border-color: #2563eb;
            box-shadow: 0 0 0 2px rgba(37,99,235,0.12);
        }
        .super-search-fm input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #333;
            font-size: 16px;
            padding: 11px 0;
            min-width: 0;
        }
        .super-search-fm input::placeholder {
            color: #bbb;
        }
        .super-search-fm button {
            background: #2563eb;
            border: none;
            color: #fff;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 7px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background 0.2s;
        }
        .super-search-fm button:hover {
            background: #1d4ed8;
        }
        .super-search-fm button svg {
            width: 18px;
            height: 18px;
        }
        .search-list {
            margin-top: 14px;
        }
        .search-group {
            display: none;
        }
        .search-group.active {
            display: block;
        }
        .search-type {
            list-style: none;
            display: flex;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
        }
        .search-type li input[type="radio"] {
            display: none;
        }
        .search-type li label {
            cursor: pointer;
            color: #666;
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 20px;
            background: #f3f4f6;
            transition: all 0.2s;
            user-select: none;
        }
        .search-type li label:hover {
            background: #e5e7eb;
            color: #333;
        }
        .search-type li input[type="radio"]:checked + label {
            color: #2563eb;
            background: #eff6ff;
        }
        @media (max-width: 768px) {
            .s-search-section {
                margin-bottom: 32px;
            }
            .s-search {
                padding: 20px 16px 16px;
                border-radius: 10px;
            }
            .s-type-list {
                gap: 24px;
            }
            .s-type-list label {
                font-size: 16px;
            }
            .super-search-fm input {
                font-size: 15px;
            }
            .search-type {
                gap: 6px;
            }
            .search-type li label {
                font-size: 12px;
                padding: 4px 12px;
            }
        }
        .web-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .web-group {
            background: #fff;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }
        .web-group-title {
            font-size: 15px;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 16px;
            padding-left: 10px;
            border-left: 3px solid #2563eb;
            line-height: 1.2;
        }
        .web-group-link {
            color: #1f2937;
            text-decoration: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: color 0.2s;
        }
        .web-group-link:hover {
            color: #2563eb;
        }
        .web-group-more {
            font-size: 12px;
            font-weight: normal;
            color: #bbb;
            margin-left: auto;
            padding-left: 12px;
            transition: color 0.2s, transform 0.2s;
            white-space: nowrap;
        }
        .web-group-link:hover .web-group-more {
            color: #2563eb;
            transform: translateX(2px);
        }
        .web-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            gap: 12px;
        }
        .web-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 14px 8px;
            background: #f9fafb;
            border-radius: 8px;
            text-decoration: none;
            color: #333;
            transition: all 0.2s;
        }
        .web-card:hover {
            background: #eff6ff;
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(37,99,235,0.12);
        }
        .web-card-logo {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: #fff;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 1px 2px rgba(0,0,0,0.06);
        }
        .web-card-logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        .web-card-name {
            font-size: 13px;
            color: #333;
            max-width: 100%;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .web-empty {
            background: #fff;
            border-radius: 10px;
            padding: 40px 20px;
            text-align: center;
            color: #999;
            font-size: 14px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }
        @media (max-width: 868px) {
            .web-group {
                padding: 16px;
            }
            .web-group-title {
                font-size: 14px;
                margin-bottom: 12px;
            }
            .web-group-more {
                font-size: 11px;
                padding-left: 8px;
            }
            .web-grid {
                grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
                gap: 10px;
            }
            .web-card {
                padding: 10px 6px;
            }
            .web-card-logo {
                width: 36px;
                height: 36px;
            }
            .web-card-name {
                font-size: 12px;
            }
        }
        .footer {
            background: #1f2937;
            color: #fff;
            padding: 30px 20px;
            margin-top: 50px;
            text-align: center;
        }
        .footer a {
            color: #9ca3af;
            text-decoration: none;
        }
        .footer a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .header-left {
                gap: 16px;
            }
            .nav {
                display: none;
            }
            .hero {
                padding: 20px;
            }
            .hero-card,
            .hero-card.is-flipped {
                transform: none;
                padding: 16px;
            }
            /* 移动端改用折叠展开效果，避免3D翻牌导致内容挤压 */
            .hero-back {
                position: static;
                max-height: 0;
                overflow: hidden;
                padding: 0 16px;
                text-align: left;
                transform: none;
                backface-visibility: visible;
                -webkit-backface-visibility: visible;
                transition: max-height 0.4s ease, padding 0.4s ease, margin 0.4s ease;
            }
            .hero-card.is-flipped .hero-back {
                max-height: 2000px;
                margin: 16px 0;
                padding: 16px;
            }
            .hero-back .hero-btn {
                margin-top: 12px;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
        }