@keyframes bounce { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-5px);} }
    @keyframes textGradient {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }
    .category-card {
        background: linear-gradient(145deg,#ffffff,#f5f5f5);
        border-radius: 14px;
        box-shadow: 4px 4px 8px rgba(0,0,0,0.08),-4px -4px 8px rgba(255,255,255,0.7),inset 1px 1px 0 rgba(255,255,255,0.8),inset -1px -1px 0 rgba(0,0,0,0.05);
        transition: all 0.3s cubic-bezier(0.25,0.8,0.25,1);
        padding: 12px 12px;
        display: flex;
        flex-direction: column;
        border: none;
        margin-bottom: 8px;
        height: auto;
        min-height: 0;
        position: relative;
        transform-style: preserve-3d;
    }
    .category-card:hover {
        transform: translateY(-3px) scale(1.02);
        box-shadow: 8px 8px 16px rgba(0,0,0,0.12),-8px -8px 16px rgba(255,255,255,0.8),inset 2px 2px 0 rgba(255,255,255,0.9),inset -2px -2px 0 rgba(0,0,0,0.07);
    }
    .category-card:active {
        transform: translateY(-1px) scale(1.01);
        box-shadow: 3px 3px 6px rgba(0,0,0,0.08),-3px -3px 6px rgba(255,255,255,0.6),inset 3px 3px 5px rgba(0,0,0,0.05);
    }
    .category-card::before {
        content:'';
        position: absolute;
        top:0; left:0; right:0; bottom:0;
        border-radius: 14px;
        padding: 1px;
        background: linear-gradient(135deg,rgba(255,255,255,0.8),rgba(0,0,0,0.05));
        -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
        pointer-events: none;
    }
    .category-card::after {
        content:'';
        position: absolute;
        top:0; left:0;
        width: 25px; height:25px;
        background: radial-gradient(circle at 0 0, rgba(255,255,255,0.3) 0%, transparent 70%);
        border-radius: 14px 0 0 0;
        pointer-events: none;
    }
    .category-card .flex {
        display: flex;
        align-items: flex-start;
        height: 100%;
        width: 100%;
    }
    .category-card-img {
        width: 65px; height:65px;
        border-radius: 12px;
        overflow: hidden;
        flex-shrink: 0;
        margin-right: 12px;
        border: 1px solid rgba(255,255,255,0.8);
        background: linear-gradient(135deg,#ffffff,#f0f0f0);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 3px 3px 6px rgba(0,0,0,0.08),-3px -3px 6px rgba(255,255,255,0.8);
        position: relative;
        z-index: 1;
    }
    .category-card-img::before {
        content:'';
        position: absolute;
        top:0; left:0; right:0; bottom:0;
        border-radius: 12px;
        background: linear-gradient(135deg,rgba(255,255,255,0.2),transparent);
        z-index: 1;
    }
    .category-card-img img {
        width: 100%; height:100%;
        object-fit: contain;
        border-radius: 8px;
        position: relative;
        z-index: 2;
        display: block;
        margin: 0 auto;
        max-width: 100%; max-height:100%;
    }
    .category-card-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 0;
        gap: 4px;
        padding-top: 0;
        overflow: hidden;
    }
    .category-card-title {
        font-size: 15px; font-weight:700;
        margin-bottom:0; color:#121212;
        line-height:1.2;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .category-card-desc {
        font-size: 12px; color:#666;
        line-height:1.5;
        margin-bottom:0;
        word-break: break-word;
        white-space: normal;
        display: block;
        overflow: visible;
        max-height: none;
    }
    .category-card-footer {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        margin-top: 6px;
        padding-top: 0;
    }
.download-btn {
    background: linear-gradient(145deg,#333333,#121212);
    color: white; border: none; border-radius:8px; padding:6px 12px; font-size:11px; font-weight:600;
    cursor: pointer; transition: all 0.3s ease; text-align: center; display: flex; align-items: center;
    justify-content: center; gap:4px; box-shadow:2px 2px 4px rgba(0,0,0,0.2),-1px -1px 3px rgba(255,255,255,0.1),inset 1px 1px 0 rgba(255,255,255,0.15);
    position: relative; overflow:hidden; z-index:1; height:26px; text-shadow:0 1px 1px rgba(0,0,0,0.3); min-width:70px;
    animation: bounce 1s infinite;   
}
    .download-btn:hover {
        background: linear-gradient(145deg,#121212,#333333);
        transform: translateY(-2px);
        box-shadow:4px 4px 8px rgba(0,0,0,0.25),-2px -2px 4px rgba(255,255,255,0.15),inset 2px 2px 0 rgba(255,255,255,0.2);
    }
    .download-btn:active {
        transform: translateY(0);
        box-shadow:1px 1px 2px rgba(0,0,0,0.15),-1px -1px 2px rgba(255,255,255,0.05),inset 3px 3px 5px rgba(0,0,0,0.2);
    }
    .download-btn i { font-size:10px; }
    .tab-content-container .grid {
        display: grid; grid-template-columns: repeat(2,1fr); gap:8px;
    }
    .tab-content-container { margin-bottom:10px; }
    .mx-3.mb-4 { margin-bottom:8px; }
    .tab-button {
        background: linear-gradient(145deg,#ffffff,#f5f5f5);
        color: #666; border: none; border-radius:12px; padding:10px 16px; font-size:14px; font-weight:500;
        transition: all 0.3s ease; flex:1; text-align:center; cursor:pointer; position:relative;
        box-shadow:4px 4px 8px rgba(0,0,0,0.08),-4px -4px 8px rgba(255,255,255,0.8);
    }
    .tab-button:hover {
        transform: translateY(-2px);
        box-shadow:6px 6px 12px rgba(0,0,0,0.1),-6px -6px 12px rgba(255,255,255,0.9);
    }
    .tab-button.active {
        background: linear-gradient(145deg,#121212,#333333);
        color: white; font-weight:600;
        box-shadow:6px 6px 12px rgba(18,18,18,0.15),-2px -2px 6px rgba(255,255,255,0.1),inset 2px 2px 0 rgba(255,255,255,0.15);
        transform: translateY(-2px);
    }
    .tab-button.active:hover {
        background: linear-gradient(145deg,#333333,#121212);
        transform: translateY(-3px);
        box-shadow:8px 8px 16px rgba(18,18,18,0.2),-3px -3px 8px rgba(255,255,255,0.15),inset 3px 3px 0 rgba(255,255,255,0.2);
    }
    .tab-buttons-container {
        display: flex; gap:8px; padding:12px;
        background: linear-gradient(145deg,#f8f9fa,#ffffff);
        border-radius:14px; box-shadow:4px 4px 8px rgba(0,0,0,0.05),-4px -4px 8px rgba(255,255,255,0.8);
        margin:0 12px 8px;
    }
    .nav-action-button {
        background: linear-gradient(145deg,#121212,#333333);
        color: white; border-radius:10px; padding:8px 16px; font-size:13px; font-weight:500;
        box-shadow:3px 3px 6px rgba(0,0,0,0.2),-2px -2px 4px rgba(255,255,255,0.1);
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
    }
    .nav-action-button:hover {
        transform: translateY(-2px);
        box-shadow:5px 5px 10px rgba(0,0,0,0.25),-3px -3px 6px rgba(255,255,255,0.15);
    }
    .share-platform[data-platform="qq"] .fa-qq,
    .share-platform[data-platform="weixin"] .fa-weixin,
    .share-platform[data-platform="telegram"] .fa-paper-plane {
        color: #121212 !important;
    }
    .btn-copy {
        background: linear-gradient(145deg,#121212,#333333) !important;
    }
    .announcement-bar {
        background: linear-gradient(145deg,#121212,#333333);
        border-radius: 12px;
        margin: 8px 12px;
        padding: 12px 15px;
        display: flex;
        align-items: center;
        box-shadow: 6px 6px 12px rgba(0,0,0,0.2),-2px -2px 6px rgba(255,255,255,0.05);
        cursor: pointer;
    }
    .announcement-icon { color: white; font-size: 18px; margin-right: 12px; flex-shrink:0; }
    .announcement-container {
        flex:1;
        overflow:hidden;
        height:24px;
        white-space: nowrap;
    }
    .announcement-marquee {
        color: white;
        font-size: 15px;
        font-weight: 500;
        line-height: 24px;
        width: 100%;
        border: none;
        background: transparent;
    }
    #announcementPopup button {
        background: linear-gradient(145deg,#121212,#333333) !important;
    }
    .contact-card {
        background: linear-gradient(145deg,#ffffff,#f5f5f5);
        border-radius: 18px;
        padding: 20px;
        margin-bottom: 20px;
        box-shadow: 8px 8px 16px rgba(0,0,0,0.1),-8px -8px 16px rgba(255,255,255,0.7);
        border: none;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    .contact-card:hover {
        transform: translateY(-4px);
        box-shadow: 12px 12px 24px rgba(0,0,0,0.15),-12px -12px 24px rgba(255,255,255,0.8);
    }
    .contact-card::before {
        content:'';
        position: absolute;
        top:0; left:0; right:0;
        height:4px;
        background: linear-gradient(90deg,#121212,#333333);
        border-radius: 18px 18px 0 0;
    }
    .contact-header { margin-bottom:20px; }
    .contact-icon {
        width:60px; height:60px;
        border-radius:14px;
        background: linear-gradient(145deg,#ffffff,#f0f0f0);
        display: flex;
        align-items: center;
        justify-content: center;
        border:1px solid rgba(255,255,255,0.8);
        box-shadow: 4px 4px 8px rgba(0,0,0,0.1),-4px -4px 8px rgba(255,255,255,0.8);
    }
    .contact-icon img { width:32px; height:32px; }
    .contact-copy-area {
        background: linear-gradient(145deg,#fafafa,#f0f0f0);
        border-radius:12px;
        padding:16px;
        margin-bottom:20px;
        border:1px solid rgba(255,255,255,0.8);
        box-shadow: inset 2px 2px 5px rgba(0,0,0,0.05),inset -2px -2px 5px rgba(255,255,255,0.8);
    }
    .contact-copy-text { font-size:14px; color:#121212; font-weight:600; margin-bottom:0; padding:4px 0; }
    .contact-copy-btn {
        background: linear-gradient(145deg,#333333,#121212);
        color:white;
        border:none;
        border-radius:10px;
        padding:10px 20px;
        font-size:14px;
        font-weight:600;
        cursor:pointer;
        transition:all 0.3s ease;
        display:flex;
        align-items:center;
        justify-content:center;
        gap:6px;
        box-shadow: 4px 4px 8px rgba(0,0,0,0.15),-2px -2px 6px rgba(255,255,255,0.1),inset 1px 1px 0 rgba(255,255,255,0.15);
        text-shadow:0 1px 1px rgba(0,0,0,0.3);
    }
    .contact-copy-btn:hover {
        transform:translateY(-2px);
        box-shadow: 6px 6px 12px rgba(0,0,0,0.2),-3px -3px 8px rgba(255,255,255,0.15),inset 2px 2px 0 rgba(255,255,255,0.2);
    }
    .contact-action-btn {
        border-radius:10px;
        padding:12px 16px;
        font-size:14px;
        font-weight:600;
        cursor:pointer;
        transition:all 0.3s ease;
        display:flex;
        align-items:center;
        justify-content:center;
        gap:8px;
        box-shadow: 4px 4px 8px rgba(0,0,0,0.08),-4px -4px 8px rgba(255,255,255,0.8);
    }
    .contact-action-btn.bg-primary {
        background: linear-gradient(145deg,#333333,#121212);
        color:white;
        border:none;
        text-shadow:0 1px 1px rgba(0,0,0,0.3);
    }
    .contact-action-btn.bg-primary:hover {
        transform:translateY(-2px);
        box-shadow: 6px 6px 12px rgba(0,0,0,0.15),-6px -6px 12px rgba(255,255,255,0.9);
    }
    .contact-action-btn.border-primary {
        background: linear-gradient(145deg,#ffffff,#f5f5f5);
        color:#121212;
        border:1px solid rgba(18,18,18,0.2);
    }
    .text-primary { color:#121212 !important; }
    .top-nav {
        background:white;
        box-shadow:0 2px 10px rgba(0,0,0,0.08),inset 0 1px 0 rgba(255,255,255,0.9);
        padding:8px 0;
    }
    .nav-container { display:flex; align-items:center; justify-content:space-between; padding:0 15px; }
    .nav-logo-container { display:flex; align-items:center; gap:10px; }
    .nav-logo {
        width:40px; height:40px;
        border-radius:12px;
        overflow:hidden;
        border:2px solid rgba(255,255,255,0.8);
        background:white;
        box-shadow:3px 3px 6px rgba(0,0,0,0.1),-3px -3px 6px rgba(255,255,255,0.8);
    }
    .nav-logo img { width:100%; height:100%; object-fit:cover; }
    .nav-title { color:#121212; font-size:18px; font-weight:700; line-height:1.2; margin-bottom:0; }
    .nav-subtitle { color:#121212 !important; opacity:0.8; font-size:12px; line-height:1.2; margin-top:2px; }
    .page-header-title { color:#121212 !important; font-size:20px; font-weight:700; }
    #vpnPopup button.bg-primary, #vpnPopup button.bg-green-500 {
        background: linear-gradient(145deg,#121212,#333333) !important;
    }
    .share-popup .btn-active:hover { color:#121212 !important; }
    .banner-image {
        border-radius:16px;
        overflow:hidden;
        box-shadow:6px 6px 12px rgba(0,0,0,0.1),-6px -6px 12px rgba(255,255,255,0.7);
        border:2px solid rgba(255,255,255,0.8);
    }
    .contact-card h3 { color:#121212 !important; }
    .contact-card .text-primary { color:#121212 !important; opacity:0.8; }
    .mx-3.my-4.rounded-xl.shadow-xl.overflow-hidden { margin:10px 12px; }
    .tab-content-container.mx-3.mb-6 { margin:0 12px 10px; }
    .dual-btn-section {
        margin: 8px 12px;
        display: flex;
        gap: 8px;
        align-items: stretch;
    }
    .dual-btn {
        flex: 1;
        background-color: #121212;
        border-radius: 14px;
        padding: 16px 4px;
        text-align: center;
        border: 1px solid rgba(255,255,255,0.15);
        box-shadow: 0 8px 16px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
        transition: all 0.25s ease;
        white-space: nowrap;
        line-height: 1.2;
        display: flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        letter-spacing: 0.5px;
    }
    .dual-btn span {
        background-image: linear-gradient(145deg,
            #FFB6C1, #FFDAB9, #FFFACD, #E6E6FA, #B0E0E6,
            #98FB98, #FFC0CB, #F0E68C, #DDA0DD, #AFEEEE,
            #FFB3BA, #FFDFBA, #FFFFBA, #BAFFC9, #BAE1FF,
            #FADADD, #E0BBE4, #FEC8D8, #FFE5B4, #B5EAD7,
            #C7CEEA, #F7CAC9, #F9E6B3, #E2F0CB, #D4E2D4,
            #FBC8D5, #C9E4DE, #FED7C1, #E5D1FA, #FFC8A2, #FFB6C1);
        background-size: 1000% 100%;
        background-clip: text;
        -webkit-background-clip: text;
        color: transparent;
        font-weight: 900;
        font-size: 18px;
        animation: textGradient 12s linear infinite;
        display: inline-block;
    }
    .dual-btn:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 24px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.2);
        background-color: #1a1a1a;
    }
    .dual-btn:active {
        transform: translateY(-2px);
        box-shadow: 0 6px 12px rgba(0,0,0,0.4);
    }
    @media (max-width:380px) {
        .category-card { padding:8px 10px; border-radius:12px; margin-bottom:6px; }
        .category-card-img { width:55px; height:55px; margin-right:8px; border-radius:10px; }
        .category-card-title { font-size:13px; }
        .category-card-desc { font-size:11px; line-height:1.4; }
        .download-btn { padding:5px 8px; font-size:10px; height:24px; min-width:65px; }
        .tab-content-container .grid { gap:6px; }
        .tab-button { padding:8px 12px; font-size:13px; border-radius:10px; }
        .tab-buttons-container { padding:10px; border-radius:12px; gap:6px; margin:0 10px 8px; }
        .announcement-bar { margin:8px 10px; padding:10px 12px; border-radius:10px; }
        .announcement-icon { font-size:16px; margin-right:10px; }
        .announcement-marquee { font-size:13px; line-height:20px; }
        .announcement-container { height:20px; }
        .top-nav { padding:6px 0; }
        .nav-container { padding:0 10px; }
        .nav-logo { width:36px; height:36px; border-radius:10px; }
        .nav-title { font-size:16px; }
        .nav-subtitle { font-size:11px; }
        .nav-action-button { padding:6px 12px; font-size:12px; border-radius:8px; }
        .contact-card { padding:15px; border-radius:16px; margin-bottom:15px; }
        .contact-icon { width:50px; height:50px; border-radius:12px; }
        .contact-icon img { width:26px; height:26px; }
        .contact-copy-area { padding:12px; border-radius:10px; }
        .contact-copy-text { font-size:13px; }
        .contact-copy-btn { padding:8px 16px; font-size:13px; }
        .contact-action-btn { padding:10px 14px; font-size:13px; }
        .mx-3.my-4.rounded-xl.shadow-xl.overflow-hidden { margin:8px 10px; }
        .tab-content-container.mx-3.mb-6 { margin:0 10px 8px; }
        .dual-btn { padding: 14px 4px; }
        .dual-btn span { font-size: 16px; }
    }
    @media (max-width:320px) {
        .category-card { padding:6px 8px; border-radius:10px; margin-bottom:5px; }
        .category-card-img { width:50px; height:50px; margin-right:6px; border-radius:8px; }
        .category-card-title { font-size:12px; }
        .category-card-desc { font-size:10px; line-height:1.3; }
        .download-btn { min-width:60px; font-size:9px; padding:4px 6px; height:22px; }
        .tab-content-container .grid { gap:5px; }
        .nav-title { font-size:15px; }
        .nav-subtitle { font-size:10px; }
        .nav-action-button { font-size:11px; padding:5px 10px; }
        .dual-btn { padding: 12px 2px; }
        .dual-btn span { font-size: 14px; }
    }
    /* 页面切换 */
    .page { display: none; }
    .page.active { display: block; }
    /* 客服页头部按钮 */
    .page-header {
        padding: 12px 15px;
        background: white;
        box-shadow: 0 2px 10px rgba(0,0,0,0.08),inset 0 1px 0 rgba(255,255,255,0.9);
    }
    .page-header-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .page-header-title {
        margin: 0;
        font-size: 20px;
        font-weight: 700;
        color: #121212;
    }