* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-color: #6366f1;
            --secondary-color: #8b5cf6;
            --accent-color: #f59e0b;
            --background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --card-bg: rgba(255, 255, 255, 0.95);
            --text-primary: #1f2937;
            --text-secondary: #6b7280;
            --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            --border-radius: 16px;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--background);
            min-height: 100vh;
            overflow-x: hidden;
            perspective: 1000px;
        }

        /* 3D粒子背景动画 */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            pointer-events: none;
            transform-style: preserve-3d;
        }

        .particle {
            position: absolute;
            width: 6px;
            height: 6px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 50%;
            animation: float3D 8s ease-in-out infinite;
            transform-style: preserve-3d;
        }

        .particle:nth-child(odd) {
            background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
            box-shadow: 0 0 20px rgba(255, 107, 107, 0.6);
        }

        .particle:nth-child(even) {
            background: linear-gradient(45deg, #a8edea, #fed6e3);
            box-shadow: 0 0 20px rgba(168, 237, 234, 0.6);
        }

        @keyframes float3D {
            0%, 100% { 
                transform: translate3d(0, 0, 0) rotateX(0deg) rotateY(0deg); 
                opacity: 0; 
            }
            25% { 
                transform: translate3d(20px, -30px, 50px) rotateX(90deg) rotateY(45deg); 
                opacity: 1; 
            }
            50% { 
                transform: translate3d(-20px, -60px, 100px) rotateX(180deg) rotateY(90deg); 
                opacity: 0.8; 
            }
            75% { 
                transform: translate3d(30px, -40px, 75px) rotateX(270deg) rotateY(135deg); 
                opacity: 1; 
            }
        }

        /* 主容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            position: relative;
            z-index: 1;
            transform-style: preserve-3d;
        }

        /* 头部 */
        .header {
            text-align: center;
            margin-bottom: 40px;
            animation: slideDown3D 1.5s ease-out;
            transform-style: preserve-3d;
        }

        @keyframes slideDown3D {
            from { 
                transform: translate3d(0, -100px, -200px) rotateX(45deg); 
                opacity: 0; 
            }
            to { 
                transform: translate3d(0, 0, 0) rotateX(0deg); 
                opacity: 1; 
            }
        }

        .header h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            background: linear-gradient(45deg, #fff, #f0f0f0, #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: glow 2s ease-in-out infinite alternate;
        }

        @keyframes glow {
            from { filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5)); }
            to { filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.8)); }
        }

        .header p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.3rem;
            margin-bottom: 20px;
            animation: fadeInUp 1s ease-out 0.5s both;
        }

        /* 商品网格 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 35px;
            margin-bottom: 40px;
            transform-style: preserve-3d;
        }

        /* 3D商品卡片 */
        .product-card {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 35px;
            box-shadow: var(--shadow);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: visible;
            animation: fadeInUp3D 1s ease-out;
            transform-style: preserve-3d;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .product-card:hover {
            transform: translate3d(0, -15px, 20px) rotateX(5deg) rotateY(5deg);
            box-shadow: 
                0 25px 50px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(255, 255, 255, 0.1);
            z-index: 10;
        }

        @keyframes fadeInUp3D {
            from { 
                transform: translate3d(0, 50px, -100px) rotateX(15deg); 
                opacity: 0; 
            }
            to { 
                transform: translate3d(0, 0, 0) rotateX(0deg); 
                opacity: 1; 
            }
        }

        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
            transition: left 0.6s;
            transform: skewX(-25deg);
            pointer-events: none;
        }

        .product-card:hover::before {
            left: 100%;
        }

        .product-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
            opacity: 0;
            transition: opacity 0.3s;
            border-radius: var(--border-radius);
            pointer-events: none;
        }

        .product-card:hover::after {
            opacity: 1;
        }

        /* 统一图标动画效果 */
        .product-icon, .game-item-icon {
            font-size: 3.5rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            text-align: center;
            animation: iconFloat 3s ease-in-out infinite;
            transform-style: preserve-3d;
            position: relative;
            z-index: 5;
        }

        @keyframes iconFloat {
            0%, 100% { 
                transform: translate3d(0, 0, 0) rotateY(0deg) scale(1); 
            }
            25% { 
                transform: translate3d(0, -10px, 20px) rotateY(90deg) scale(1.1); 
            }
            50% { 
                transform: translate3d(0, -15px, 30px) rotateY(180deg) scale(1.05); 
            }
            75% { 
                transform: translate3d(0, -10px, 20px) rotateY(270deg) scale(1.1); 
            }
        }

        .product-icon::before, .game-item-icon::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            animation: iconGlow 3s ease-in-out infinite;
            pointer-events: none;
        }

        @keyframes iconGlow {
            0%, 100% { 
                transform: translate(-50%, -50%) scale(1); 
                opacity: 0.5; 
            }
            50% { 
                transform: translate(-50%, -50%) scale(1.5); 
                opacity: 0.8; 
            }
        }

        .product-title {
            font-size: 1.6rem;
            color: var(--text-primary);
            margin-bottom: 18px;
            font-weight: 600;
            transform: translateZ(20px);
            position: relative;
            z-index: 5;
        }

        .product-description {
            color: var(--text-secondary);
            margin-bottom: 25px;
            line-height: 1.7;
            transform: translateZ(10px);
            position: relative;
            z-index: 5;
        }

        .price-list {
            list-style: none;
            margin-bottom: 25px;
            transform: translateZ(15px);
            position: relative;
            z-index: 5;
        }

        .price-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(229, 231, 235, 0.5);
            transition: all 0.3s;
            position: relative;
            z-index: 5;
            overflow: visible;
        }

        .price-item:hover {
            background: rgba(99, 102, 241, 0.08);
            padding-left: 15px;
            transform: translateX(5px) scale(1.02);
            z-index: 15;
        }

        .price-item:last-child {
            border-bottom: none;
        }

        .price-label {
            font-weight: 500;
            color: var(--text-primary);
            position: relative;
            z-index: 5;
            flex: 1;
            margin-right: 10px;
        }

        .price-value {
            font-weight: 600;
            color: var(--accent-color);
            font-size: 1.2rem;
            text-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
            position: relative;
            z-index: 5;
            white-space: nowrap;
            overflow: visible;
            text-overflow: clip;
        }

        /* 特殊标签 */
        .badge {
            display: inline-block;
            padding: 6px 15px;
            border-radius: 25px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-left: 12px;
            animation: badgePulse 2s ease-in-out infinite;
            position: relative;
            z-index: 5;
        }

        @keyframes badgePulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .badge-hot {
            background: linear-gradient(45deg, #ef4444, #f97316);
            color: white;
            box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
        }

        .badge-new {
            background: linear-gradient(45deg, #10b981, #059669);
            color: white;
            box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
        }

        /* 小图标动画统一 */
        .icon-hover {
            transition: all 0.3s ease;
            position: relative;
            z-index: 5;
        }

        .icon-hover:hover {
            transform: scale(1.2) rotate(10deg);
            filter: drop-shadow(0 0 10px currentColor);
        }

        /* 价格项增强效果 */
        .price-item-enhanced {
            position: relative;
            overflow: visible;
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .price-item-enhanced:hover {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
            transform: translateX(10px) scale(1.02);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            z-index: 20;
        }

        .price-item-enhanced::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s;
            pointer-events: none;
        }

        .price-item-enhanced:hover::before {
            left: 100%;
        }

        /* 联系信息 */
        .contact-section {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 40px;
            text-align: center;
            box-shadow: var(--shadow);
            animation: fadeInUp3D 1.2s ease-out 0.8s both;
            transform-style: preserve-3d;
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .contact-title {
            font-size: 2.2rem;
            color: var(--text-primary);
            margin-bottom: 30px;
            transform: translateZ(30px);
        }

        .contact-info {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 30px;
            flex-wrap: wrap;
            transform-style: preserve-3d;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 20px 30px;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            color: white;
            border-radius: 30px;
            text-decoration: none;
            transition: all 0.4s;
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
            transform-style: preserve-3d;
            position: relative;
            overflow: hidden;
        }

        .contact-item:hover {
            transform: translate3d(0, -8px, 15px) rotateX(10deg);
            box-shadow: 0 15px 35px rgba(99, 102, 241, 0.5);
        }

        .contact-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s;
        }

        .contact-item:hover::before {
            left: 100%;
        }

        /* 收款码样式 */
        .payment-section {
            margin-top: 30px;
            transform-style: preserve-3d;
        }

        .payment-title {
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 20px;
            transform: translateZ(20px);
        }

        .payment-qr {
            width: 200px;
            height: 200px;
            margin: 0 auto;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
            transform-style: preserve-3d;
            object-fit: cover;
            display: block;
        }

        .payment-qr:hover {
            transform: translate3d(0, -10px, 20px) rotateY(10deg);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        /* 3D翻转卡片效果 */
        .flip-card {
            background-color: transparent;
            width: 200px;
            height: 200px;
            margin: 0 auto;
            perspective: 1000px;
            transform-style: preserve-3d;
        }

        .flip-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            text-align: center;
            transition: transform 0.8s;
            transform-style: preserve-3d;
        }

        .flip-card:hover .flip-card-inner {
            transform: rotateY(180deg);
        }

        .flip-card-front, .flip-card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .flip-card-front {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
        }

        .flip-card-back {
            background: white;
            color: var(--text-primary);
            transform: rotateY(180deg);
        }

        .flip-card-back img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 15px;
        }

        /* 光效动画 */
        .light-effect {
            position: absolute;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            top: 0;
            left: -100%;
            animation: lightSweep 3s ease-in-out infinite;
        }

        @keyframes lightSweep {
            0% { left: -100%; }
            50% { left: 100%; }
            100% { left: 100%; }
        }

        /* 粒子爆炸效果 */
        .explosion {
            position: absolute;
            width: 10px;
            height: 10px;
            background: radial-gradient(circle, #ff6b6b, transparent);
            border-radius: 50%;
            pointer-events: none;
            animation: explode 1s ease-out forwards;
        }

        @keyframes explode {
            0% {
                transform: scale(0) rotate(0deg);
                opacity: 1;
            }
            100% {
                transform: scale(20) rotate(360deg);
                opacity: 0;
            }
        }

        /* 3D文字效果 */
        .text-3d {
            text-shadow: 
                0 1px 0 #ccc,
                0 2px 0 #c9c9c9,
                0 3px 0 #bbb,
                0 4px 0 #b9b9b9,
                0 5px 0 #aaa,
                0 6px 1px rgba(0,0,0,.1),
                0 0 5px rgba(0,0,0,.1),
                0 1px 3px rgba(0,0,0,.3),
                0 3px 5px rgba(0,0,0,.2),
                0 5px 10px rgba(0,0,0,.25),
                0 10px 10px rgba(0,0,0,.2),
                0 20px 20px rgba(0,0,0,.15);
        }

        /* 悬浮动画 */
        .float-animation {
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        /* 旋转动画 */
        .rotate-animation {
            animation: rotate 10s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        /* 脉冲动画 */
        .pulse-animation {
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }

        /* 波浪动画 */
        .wave-animation {
            animation: wave 3s ease-in-out infinite;
        }

        @keyframes wave {
            0%, 100% { transform: translateX(0); }
            50% { transform: translateX(10px); }
        }

        /* 3D按钮效果 */
        .btn-3d {
            position: relative;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border: none;
            color: white;
            padding: 15px 30px;
            border-radius: 25px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transform-style: preserve-3d;
            transition: all 0.3s;
            box-shadow: 
                0 5px 15px rgba(0,0,0,0.2),
                0 0 0 1px rgba(255,255,255,0.1);
        }

        .btn-3d:hover {
            transform: translate3d(0, -5px, 10px) rotateX(10deg);
            box-shadow: 
                0 15px 30px rgba(0,0,0,0.3),
                0 0 0 1px rgba(255,255,255,0.2);
        }

        .btn-3d:active {
            transform: translate3d(0, 0, 5px) rotateX(5deg);
        }

        /* 点击波纹效果 */
        .click-ripple {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.8), transparent);
            transform: scale(0);
            animation: clickRipple 0.6s ease-out;
            pointer-events: none;
        }

        @keyframes clickRipple {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }

        /* 3D点击反馈 */
        .click-3d {
            transition: all 0.1s ease;
        }

        .click-3d:active {
            transform: translate3d(0, 2px, -5px) scale(0.98);
            box-shadow: 
                0 2px 8px rgba(0,0,0,0.3),
                inset 0 1px 2px rgba(255,255,255,0.2);
        }

        /* 点击粒子效果 */
        .click-particle {
            position: absolute;
            width: 6px;
            height: 6px;
            background: radial-gradient(circle, #fff, transparent);
            border-radius: 50%;
            pointer-events: none;
            animation: clickParticle 1s ease-out forwards;
        }

        @keyframes clickParticle {
            0% {
                transform: translate3d(0, 0, 0) scale(1);
                opacity: 1;
            }
            100% {
                transform: translate3d(var(--x), var(--y), 50px) scale(0);
                opacity: 0;
            }
        }

        /* 点击光晕效果 */
        .click-glow {
            position: absolute;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent);
            border-radius: inherit;
            transform: scale(0);
            animation: clickGlow 0.5s ease-out;
            pointer-events: none;
        }

        @keyframes clickGlow {
            to {
                transform: scale(2);
                opacity: 0;
            }
        }

        /* 点击震动效果 */
        .click-shake {
            animation: clickShake 0.3s ease-out;
        }

        @keyframes clickShake {
            0%, 100% { transform: translate3d(0, 0, 0); }
            25% { transform: translate3d(-2px, 0, 0); }
            75% { transform: translate3d(2px, 0, 0); }
        }

        /* 点击缩放效果 */
        .click-scale {
            transition: transform 0.1s ease;
        }

        .click-scale:active {
            transform: scale(0.95);
        }

        /* 点击旋转效果 */
        .click-rotate {
            transition: transform 0.2s ease;
        }

        .click-rotate:active {
            transform: rotate(5deg) scale(0.98);
        }

        /* 点击弹跳效果 */
        .click-bounce {
            transition: transform 0.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }

        .click-bounce:active {
            transform: scale(0.9) translateY(2px);
        }

        /* 点击闪光效果 */
        .click-flash {
            position: relative;
            overflow: hidden;
        }

        .click-flash::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
            transition: left 0.3s;
        }

        .click-flash:active::before {
            left: 100%;
        }

        /* 点击3D翻转效果 */
        .click-flip-3d {
            transform-style: preserve-3d;
            transition: transform 0.3s ease;
        }

        .click-flip-3d:active {
            transform: rotateY(180deg) scale(0.95);
        }

        /* 点击波浪效果 */
        .click-wave {
            position: relative;
            overflow: hidden;
        }

        .click-wave::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 5px;
            height: 5px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            transform: translate(-50%, -50%) scale(0);
            animation: clickWave 0.6s ease-out;
        }

        @keyframes clickWave {
            to {
                transform: translate(-50%, -50%) scale(40);
                opacity: 0;
            }
        }

        /* 点击能量效果 */
        .click-energy {
            position: relative;
        }

        .click-energy::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.8), transparent);
            border-radius: inherit;
            transform: scale(0);
            animation: clickEnergy 0.4s ease-out;
        }

        @keyframes clickEnergy {
            to {
                transform: scale(1.5);
                opacity: 0;
            }
        }

        /* 增强的3D点击效果 */
        .click-3d-enhanced {
            transform-style: preserve-3d;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .click-3d-enhanced:hover {
            transform: translate3d(0, -5px, 15px) rotateX(5deg) rotateY(5deg);
            box-shadow: 
                0 15px 35px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(255, 255, 255, 0.1);
        }

        .click-3d-enhanced:active {
            transform: translate3d(0, 2px, -10px) rotateX(-2deg) rotateY(-2deg) scale(0.98);
            box-shadow: 
                0 5px 15px rgba(0, 0, 0, 0.3),
                inset 0 1px 3px rgba(255, 255, 255, 0.2);
        }

        /* 点击光剑效果 */
        .click-lightsaber {
            position: relative;
            overflow: hidden;
        }

        .click-lightsaber::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
            transition: left 0.3s ease;
        }

        .click-lightsaber:active::after {
            left: 100%;
        }

        /* 点击磁力效果 */
        .click-magnetic {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .click-magnetic:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }

        .click-magnetic:active {
            transform: scale(0.95);
        }

        /* 点击重力效果 */
        .click-gravity {
            transition: all 0.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }

        .click-gravity:active {
            transform: translateY(3px) scale(0.98);
        }

        /* 点击螺旋效果 */
        .click-spiral {
            transition: all 0.3s ease;
        }

        .click-spiral:active {
            transform: rotate(180deg) scale(0.9);
        }

        /* 点击弹射效果 */
        .click-launch {
            transition: all 0.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }

        .click-launch:active {
            transform: translateY(-10px) scale(1.1);
        }

        /* 点击黑洞效果 */
        .click-blackhole {
            position: relative;
            overflow: hidden;
        }

        .click-blackhole::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: radial-gradient(circle, rgba(0, 0, 0, 0.8), transparent);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.3s ease;
        }

        .click-blackhole:active::before {
            width: 200px;
            height: 200px;
        }

        /* 点击彩虹效果 */
        .click-rainbow {
            position: relative;
            overflow: hidden;
        }

        .click-rainbow::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, 
                transparent, 
                #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3, 
                transparent);
            transition: left 0.4s ease;
        }

        .click-rainbow:active::before {
            left: 100%;
        }

        /* 点击音波效果 */
        .click-soundwave {
            position: relative;
        }

        .click-soundwave::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 10px;
            background: rgba(255, 255, 255, 0.6);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            animation: soundwave 0.6s ease-out;
        }

        @keyframes soundwave {
            0% {
                transform: translate(-50%, -50%) scale(0);
                opacity: 1;
            }
            100% {
                transform: translate(-50%, -50%) scale(20);
                opacity: 0;
            }
        }

        /* 二维码模态框 */
        .qr-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
            overflow-y: auto;
            padding: 20px;
        }

        .qr-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .qr-modal-content {
            background: white;
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            transform: scale(0.5) translateY(50px);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            max-width: 90vw;
            max-height: 90vh;
            margin: auto;
        }

        .qr-modal.active .qr-modal-content {
            transform: scale(1) translateY(0);
        }

        .qr-modal-close {
            position: absolute;
            top: 15px;
            right: 20px;
            background: none;
            border: none;
            font-size: 2rem;
            color: #666;
            cursor: pointer;
            transition: all 0.3s;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10001;
        }

        .qr-modal-close:hover {
            background: rgba(0, 0, 0, 0.1);
            color: #333;
            transform: rotate(90deg);
        }

        .qr-modal-title {
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 20px;
            font-weight: 600;
        }

        .qr-modal-image {
            width: 300px;
            height: 300px;
            object-fit: cover;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
        }

        .qr-modal-image:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }

        .qr-modal-desc {
            margin-top: 20px;
            color: var(--text-secondary);
            font-size: 1rem;
        }

        /* 二维码点击放大效果 */
        .qr-zoom {
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .qr-zoom:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }

        .qr-zoom:active {
            transform: scale(0.98);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2.5rem;
            }

            .header p {
                font-size: 1.1rem;
            }

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

            .product-card {
                padding: 25px;
                overflow: visible;
            }

            .product-icon, .game-item-icon {
                font-size: 3rem;
            }

            .price-value {
                font-size: 1.1rem;
            }

            .contact-info {
                flex-direction: column;
                gap: 20px;
            }

            .container {
                padding: 15px;
            }

            .payment-qr {
                width: 150px;
                height: 150px;
            }
        }

        @media (max-width: 480px) {
            .header h1 {
                font-size: 2rem;
            }

            .product-title {
                font-size: 1.3rem;
            }

            .product-icon, .game-item-icon {
                font-size: 2.5rem;
            }

            .price-value {
                font-size: 1rem;
            }

            .contact-item {
                padding: 15px 25px;
            }

            .product-card {
                padding: 20px;
            }
        }

        @media (max-width: 360px) {
            .product-card {
                padding: 15px;
            }

            .product-icon, .game-item-icon {
                font-size: 2rem;
            }

            .price-value {
                font-size: 0.9rem;
            }

            .price-label {
                font-size: 0.9rem;
            }
        }

        /* 加载动画 */
        .loading {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--background);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s;
        }

        .loading.hidden {
            opacity: 0;
            pointer-events: none;
        }

        .spinner {
            width: 60px;
            height: 60px;
            border: 5px solid rgba(255, 255, 255, 0.3);
            border-top: 5px solid white;
            border-radius: 50%;
            animation: spin3D 1.5s linear infinite;
            transform-style: preserve-3d;
        }

        @keyframes spin3D {
            0% { transform: rotate3d(1, 1, 1, 0deg); }
            100% { transform: rotate3d(1, 1, 1, 360deg); }
        }

        /* 滚动条样式 */
        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border-radius: 5px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
        }

        /* 鼠标跟随效果 */
        .cursor-follower {
            position: fixed;
            width: 20px;
            height: 20px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.8), transparent);
            border-radius: 50%;
            pointer-events: none;
            z-index: 9998;
            transition: transform 0.1s ease;
            transform: translate(-50%, -50%);
        }

        /* 音乐播放器样式 */
        .music-player {
            position: fixed;
            top: 20px;
            right: 20px;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 50px;
            padding: 15px 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transform-style: preserve-3d;
            transition: all 0.3s ease;
        }

        .music-player:hover {
            transform: translate3d(0, -5px, 15px) rotateX(5deg);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .music-control {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            cursor: pointer;
            transition: all 0.3s ease;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .music-control:hover {
            background: rgba(99, 102, 241, 0.1);
            transform: scale(1.1) rotate(10deg);
        }

        .music-control.playing {
            animation: musicPulse 2s ease-in-out infinite;
        }

        @keyframes musicPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }

        .music-info {
            display: none;
            margin-left: 10px;
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        /* 游戏道具图标特殊效果 */
        .game-item-icon {
            font-size: 3.5rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            text-align: center;
            animation: gameItemFloat 4s ease-in-out infinite;
            transform-style: preserve-3d;
            position: relative;
        }

        @keyframes gameItemFloat {
            0%, 100% { 
                transform: translate3d(0, 0, 0) rotateY(0deg) scale(1); 
            }
            25% { 
                transform: translate3d(0, -15px, 30px) rotateY(90deg) scale(1.1); 
            }
            50% { 
                transform: translate3d(0, -25px, 50px) rotateY(180deg) scale(1.05); 
            }
            75% { 
                transform: translate3d(0, -15px, 30px) rotateY(270deg) scale(1.1); 
            }
        }

        .game-item-icon::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            animation: iconGlow 3s ease-in-out infinite;
        }

        @keyframes iconGlow {
            0%, 100% { 
                transform: translate(-50%, -50%) scale(1); 
                opacity: 0.5; 
            }
            50% { 
                transform: translate(-50%, -50%) scale(1.5); 
                opacity: 0.8; 
            }
        }

        /* 增强的点击动画效果 */
        .click-mega-3d {
            transform-style: preserve-3d;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .click-mega-3d:hover {
            transform: translate3d(0, -20px, 30px) rotateX(10deg) rotateY(10deg) scale(1.05);
            box-shadow: 
                0 25px 50px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.2),
                0 0 50px rgba(99, 102, 241, 0.3);
        }

        .click-mega-3d:active {
            transform: translate3d(0, 5px, -20px) rotateX(-5deg) rotateY(-5deg) scale(0.98);
            box-shadow: 
                0 10px 20px rgba(0, 0, 0, 0.4),
                inset 0 2px 5px rgba(255, 255, 255, 0.3);
        }

        .click-mega-3d::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: left 0.6s;
            transform: skewX(-25deg);
        }

        .click-mega-3d:hover::before {
            left: 100%;
        }

        .click-mega-3d::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
            opacity: 0;
            transition: opacity 0.3s;
            border-radius: var(--border-radius);
        }

        .click-mega-3d:hover::after {
            opacity: 1;
        }

        /* 点击粒子爆炸增强 */
        .mega-explosion {
            position: absolute;
            width: 8px;
            height: 8px;
            background: radial-gradient(circle, #ff6b6b, #4ecdc4, #45b7d1, transparent);
            border-radius: 50%;
            pointer-events: none;
            animation: megaExplode 1.5s ease-out forwards;
            box-shadow: 0 0 20px currentColor;
        }

        @keyframes megaExplode {
            0% {
                transform: scale(0) rotate(0deg);
                opacity: 1;
            }
            50% {
                transform: scale(15) rotate(180deg);
                opacity: 0.8;
            }
            100% {
                transform: scale(25) rotate(360deg);
                opacity: 0;
            }
        }

        /* 点击光剑增强效果 */
        .click-mega-lightsaber {
            position: relative;
            overflow: hidden;
        }

        .click-mega-lightsaber::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, 
                transparent, 
                rgba(255, 255, 255, 0.9), 
                rgba(99, 102, 241, 0.8), 
                rgba(255, 255, 255, 0.9), 
                transparent);
            transition: left 0.4s ease;
            box-shadow: 0 0 30px rgba(99, 102, 241, 0.8);
        }

        .click-mega-lightsaber:active::after {
            left: 100%;
        }

        /* 点击音波增强效果 */
        .click-mega-soundwave {
            position: relative;
        }

        .click-mega-soundwave::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 15px;
            height: 15px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.8), rgba(99, 102, 241, 0.6));
            border-radius: 50%;
            transform: translate(-50%, -50%);
            animation: megaSoundwave 1s ease-out;
            box-shadow: 0 0 30px rgba(99, 102, 241, 0.8);
        }

        @keyframes megaSoundwave {
            0% {
                transform: translate(-50%, -50%) scale(0);
                opacity: 1;
            }
            100% {
                transform: translate(-50%, -50%) scale(30);
                opacity: 0;
            }
        }

        /* 响应式音乐播放器 */
        @media (max-width: 768px) {
            .music-player {
                top: 10px;
                right: 10px;
                padding: 10px 15px;
            }
            
            .music-control {
                font-size: 1.2rem;
                width: 35px;
                height: 35px;
            }
        }

        /* 3D效果适配 - 桌面端 */
        @media (min-width: 1024px) {
            .product-card:hover {
                transform: translate3d(0, -20px, 30px) rotateX(8deg) rotateY(8deg) scale(1.05);
                box-shadow: 
                    0 30px 60px rgba(0, 0, 0, 0.25),
                    0 0 0 1px rgba(255, 255, 255, 0.15),
                    0 0 40px rgba(99, 102, 241, 0.3);
            }

            .product-icon, .game-item-icon {
                animation: iconFloat 4s ease-in-out infinite;
            }

            @keyframes iconFloat {
                0%, 100% { 
                    transform: translate3d(0, 0, 0) rotateY(0deg) scale(1); 
                }
                25% { 
                    transform: translate3d(0, -15px, 40px) rotateY(90deg) scale(1.15); 
                }
                50% { 
                    transform: translate3d(0, -25px, 60px) rotateY(180deg) scale(1.1); 
                }
                75% { 
                    transform: translate3d(0, -15px, 40px) rotateY(270deg) scale(1.15); 
                }
            }

            .click-mega-3d:hover {
                transform: translate3d(0, -25px, 40px) rotateX(12deg) rotateY(12deg) scale(1.08);
                box-shadow: 
                    0 35px 70px rgba(0, 0, 0, 0.35),
                    0 0 0 1px rgba(255, 255, 255, 0.2),
                    0 0 60px rgba(99, 102, 241, 0.4);
            }

            .contact-item:hover {
                transform: translate3d(0, -12px, 20px) rotateX(8deg);
                box-shadow: 0 20px 40px rgba(99, 102, 241, 0.6);
            }

            .music-player:hover {
                transform: translate3d(0, -8px, 20px) rotateX(8deg);
                box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
            }
        }

        /* 3D效果适配 - 平板端 */
        @media (min-width: 768px) and (max-width: 1023px) {
            .product-card:hover {
                transform: translate3d(0, -15px, 25px) rotateX(6deg) rotateY(6deg) scale(1.03);
                box-shadow: 
                    0 25px 50px rgba(0, 0, 0, 0.2),
                    0 0 0 1px rgba(255, 255, 255, 0.1),
                    0 0 30px rgba(99, 102, 241, 0.25);
            }

            .product-icon, .game-item-icon {
                animation: iconFloatTablet 3.5s ease-in-out infinite;
            }

            @keyframes iconFloatTablet {
                0%, 100% { 
                    transform: translate3d(0, 0, 0) rotateY(0deg) scale(1); 
                }
                25% { 
                    transform: translate3d(0, -12px, 30px) rotateY(75deg) scale(1.1); 
                }
                50% { 
                    transform: translate3d(0, -20px, 45px) rotateY(150deg) scale(1.05); 
                }
                75% { 
                    transform: translate3d(0, -12px, 30px) rotateY(225deg) scale(1.1); 
                }
            }

            .click-mega-3d:hover {
                transform: translate3d(0, -18px, 30px) rotateX(8deg) rotateY(8deg) scale(1.05);
                box-shadow: 
                    0 28px 56px rgba(0, 0, 0, 0.3),
                    0 0 0 1px rgba(255, 255, 255, 0.15),
                    0 0 40px rgba(99, 102, 241, 0.3);
            }

            .contact-item:hover {
                transform: translate3d(0, -10px, 15px) rotateX(6deg);
                box-shadow: 0 18px 36px rgba(99, 102, 241, 0.5);
            }

            .music-player:hover {
                transform: translate3d(0, -6px, 15px) rotateX(6deg);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            }
        }

        /* 3D效果适配 - 手机端 */
        @media (max-width: 767px) {
            .product-card:hover {
                transform: translate3d(0, -10px, 20px) rotateX(4deg) rotateY(4deg) scale(1.02);
                box-shadow: 
                    0 20px 40px rgba(0, 0, 0, 0.15),
                    0 0 0 1px rgba(255, 255, 255, 0.08),
                    0 0 25px rgba(99, 102, 241, 0.2);
            }

            .product-icon, .game-item-icon {
                animation: iconFloatMobile 3s ease-in-out infinite;
            }

            @keyframes iconFloatMobile {
                0%, 100% { 
                    transform: translate3d(0, 0, 0) rotateY(0deg) scale(1); 
                }
                25% { 
                    transform: translate3d(0, -8px, 20px) rotateY(60deg) scale(1.08); 
                }
                50% { 
                    transform: translate3d(0, -15px, 30px) rotateY(120deg) scale(1.03); 
                }
                75% { 
                    transform: translate3d(0, -8px, 20px) rotateY(180deg) scale(1.08); 
                }
            }

            .click-mega-3d:hover {
                transform: translate3d(0, -12px, 25px) rotateX(5deg) rotateY(5deg) scale(1.03);
                box-shadow: 
                    0 22px 44px rgba(0, 0, 0, 0.25),
                    0 0 0 1px rgba(255, 255, 255, 0.1),
                    0 0 30px rgba(99, 102, 241, 0.25);
            }

            .contact-item:hover {
                transform: translate3d(0, -8px, 12px) rotateX(4deg);
                box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
            }

            .music-player:hover {
                transform: translate3d(0, -5px, 12px) rotateX(4deg);
                box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
            }

            /* 移动端触摸优化 */
            .product-card:active {
                transform: translate3d(0, 2px, -5px) rotateX(-2deg) rotateY(-2deg) scale(0.98);
                transition: all 0.1s ease;
            }

            .click-mega-3d:active {
                transform: translate3d(0, 3px, -8px) rotateX(-3deg) rotateY(-3deg) scale(0.97);
                transition: all 0.1s ease;
            }
        }

        /* 3D效果适配 - 小屏手机 */
        @media (max-width: 480px) {
            .product-card:hover {
                transform: translate3d(0, -8px, 15px) rotateX(3deg) rotateY(3deg) scale(1.01);
                box-shadow: 
                    0 15px 30px rgba(0, 0, 0, 0.12),
                    0 0 0 1px rgba(255, 255, 255, 0.05),
                    0 0 20px rgba(99, 102, 241, 0.15);
            }

            .product-icon, .game-item-icon {
                animation: iconFloatSmall 2.5s ease-in-out infinite;
            }

            @keyframes iconFloatSmall {
                0%, 100% { 
                    transform: translate3d(0, 0, 0) rotateY(0deg) scale(1); 
                }
                25% { 
                    transform: translate3d(0, -6px, 15px) rotateY(45deg) scale(1.05); 
                }
                50% { 
                    transform: translate3d(0, -12px, 25px) rotateY(90deg) scale(1.02); 
                }
                75% { 
                    transform: translate3d(0, -6px, 15px) rotateY(135deg) scale(1.05); 
                }
            }

            .click-mega-3d:hover {
                transform: translate3d(0, -10px, 20px) rotateX(4deg) rotateY(4deg) scale(1.02);
                box-shadow: 
                    0 18px 36px rgba(0, 0, 0, 0.2),
                    0 0 0 1px rgba(255, 255, 255, 0.08),
                    0 0 25px rgba(99, 102, 241, 0.2);
            }

            .contact-item:hover {
                transform: translate3d(0, -6px, 10px) rotateX(3deg);
                box-shadow: 0 12px 24px rgba(99, 102, 241, 0.35);
            }

            .music-player:hover {
                transform: translate3d(0, -4px, 10px) rotateX(3deg);
                box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
            }
        }

        /* 3D效果适配 - 超小屏手机 */
        @media (max-width: 360px) {
            .product-card:hover {
                transform: translate3d(0, -6px, 12px) rotateX(2deg) rotateY(2deg) scale(1.005);
                box-shadow: 
                    0 12px 24px rgba(0, 0, 0, 0.1),
                    0 0 0 1px rgba(255, 255, 255, 0.03),
                    0 0 15px rgba(99, 102, 241, 0.1);
            }

            .product-icon, .game-item-icon {
                animation: iconFloatTiny 2s ease-in-out infinite;
            }

            @keyframes iconFloatTiny {
                0%, 100% { 
                    transform: translate3d(0, 0, 0) rotateY(0deg) scale(1); 
                }
                25% { 
                    transform: translate3d(0, -4px, 10px) rotateY(30deg) scale(1.03); 
                }
                50% { 
                    transform: translate3d(0, -8px, 20px) rotateY(60deg) scale(1.01); 
                }
                75% { 
                    transform: translate3d(0, -4px, 10px) rotateY(90deg) scale(1.03); 
                }
            }

            .click-mega-3d:hover {
                transform: translate3d(0, -8px, 15px) rotateX(3deg) rotateY(3deg) scale(1.01);
                box-shadow: 
                    0 15px 30px rgba(0, 0, 0, 0.15),
                    0 0 0 1px rgba(255, 255, 255, 0.05),
                    0 0 20px rgba(99, 102, 241, 0.15);
            }

            .contact-item:hover {
                transform: translate3d(0, -5px, 8px) rotateX(2deg);
                box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
            }

            .music-player:hover {
                transform: translate3d(0, -3px, 8px) rotateX(2deg);
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
            }
        }

        /* 触摸设备优化 */
        @media (hover: none) and (pointer: coarse) {
            .product-card:hover {
                transform: none;
                box-shadow: var(--shadow);
            }

            .product-card:active {
                transform: translate3d(0, 2px, -5px) rotateX(-2deg) rotateY(-2deg) scale(0.98);
                box-shadow: 
                    0 10px 20px rgba(0, 0, 0, 0.2),
                    inset 0 1px 3px rgba(255, 255, 255, 0.2);
                transition: all 0.1s ease;
            }

            .click-mega-3d:active {
                transform: translate3d(0, 3px, -8px) rotateX(-3deg) rotateY(-3deg) scale(0.97);
                box-shadow: 
                    0 15px 30px rgba(0, 0, 0, 0.3),
                    inset 0 2px 5px rgba(255, 255, 255, 0.3);
                transition: all 0.1s ease;
            }

            .contact-item:active {
                transform: translate3d(0, 2px, -3px) rotateX(-1deg);
                box-shadow: 0 8px 16px rgba(99, 102, 241, 0.4);
                transition: all 0.1s ease;
            }

            .music-player:active {
                transform: translate3d(0, 1px, -2px) rotateX(-1deg);
                box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
                transition: all 0.1s ease;
            }
        }

        /* 高性能设备优化 */
        @media (prefers-reduced-motion: no-preference) {
            .product-card {
                will-change: transform, box-shadow;
            }

            .product-icon, .game-item-icon {
                will-change: transform;
            }

            .click-mega-3d {
                will-change: transform, box-shadow;
            }
        }

        /* 低性能设备优化 */
        @media (prefers-reduced-motion: reduce) {
            .product-card:hover {
                transform: translate3d(0, -5px, 10px);
                box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
            }

            .product-icon, .game-item-icon {
                animation: none;
            }

            .click-mega-3d:hover {
                transform: translate3d(0, -8px, 15px);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            }

            .contact-item:hover {
                transform: translate3d(0, -5px, 8px);
                box-shadow: 0 12px 24px rgba(99, 102, 241, 0.3);
            }

            .music-player:hover {
                transform: translate3d(0, -3px, 8px);
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            }
        }

        /* 备用二维码样式 */
        .backup-qr-section {
            text-align: center;
            transform-style: preserve-3d;
        }

        .backup-qr-trigger {
            background: linear-gradient(45deg, #f59e0b, #f97316);
            border: none;
            color: white;
            padding: 12px 20px;
            border-radius: 25px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
            transform-style: preserve-3d;
            position: relative;
            overflow: hidden;
        }

        .backup-qr-trigger:hover {
            transform: translate3d(0, -5px, 10px) rotateX(5deg);
            box-shadow: 0 15px 35px rgba(245, 158, 11, 0.5);
        }

        .backup-qr-trigger:active {
            transform: translate3d(0, 2px, -5px) rotateX(-2deg) scale(0.98);
            box-shadow: 0 5px 15px rgba(245, 158, 11, 0.4);
        }

        .backup-qr-trigger::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s;
            transform: skewX(-25deg);
        }

        .backup-qr-trigger:hover::before {
            left: 100%;
        }

        .backup-flip-card {
            background-color: transparent;
            width: 180px;
            height: 180px;
            margin: 0 auto;
            perspective: 1000px;
            transform-style: preserve-3d;
            animation: backupCardSlideIn 0.6s ease-out;
        }

        @keyframes backupCardSlideIn {
            from {
                transform: translate3d(0, 50px, -50px) rotateX(15deg);
                opacity: 0;
            }
            to {
                transform: translate3d(0, 0, 0) rotateX(0deg);
                opacity: 1;
            }
        }

        .backup-flip-card .flip-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            text-align: center;
            transition: transform 0.8s;
            transform-style: preserve-3d;
        }

        .backup-flip-card:hover .flip-card-inner {
            transform: rotateY(180deg);
        }

        .backup-flip-card .flip-card-front, 
        .backup-flip-card .flip-card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .backup-flip-card .flip-card-front {
            background: linear-gradient(135deg, #f59e0b, #f97316);
            color: white;
            font-size: 1rem;
            font-weight: 600;
        }

        .backup-flip-card .flip-card-back {
            background: white;
            color: var(--text-primary);
            transform: rotateY(180deg);
        }

        .backup-flip-card .flip-card-back img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 15px;
        }

        /* 备用二维码模态框 */
        .backup-qr-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
            overflow-y: auto;
            padding: 20px;
        }

        .backup-qr-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .backup-qr-modal-content {
            background: white;
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            transform: scale(0.5) translateY(50px);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            max-width: 90vw;
            max-height: 90vh;
            margin: auto;
        }

        .backup-qr-modal.active .backup-qr-modal-content {
            transform: scale(1) translateY(0);
        }

        .backup-qr-modal-close {
            position: absolute;
            top: 15px;
            right: 20px;
            background: none;
            border: none;
            font-size: 2rem;
            color: #666;
            cursor: pointer;
            transition: all 0.3s;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10001;
        }

        .backup-qr-modal-close:hover {
            background: rgba(0, 0, 0, 0.1);
            color: #333;
            transform: rotate(90deg);
        }

        .backup-qr-modal-title {
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 20px;
            font-weight: 600;
        }

        .backup-qr-modal-image {
            width: 300px;
            height: 300px;
            object-fit: cover;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
        }

        .backup-qr-modal-image:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }

        .backup-qr-modal-desc {
            margin-top: 20px;
            color: var(--text-secondary);
            font-size: 1rem;
        }

        /* 响应式备用二维码 */
        @media (max-width: 768px) {
            .backup-flip-card {
                width: 150px;
                height: 150px;
            }

            .backup-qr-trigger {
                padding: 10px 16px;
                font-size: 0.9rem;
            }

            .backup-qr-modal-image {
                width: 250px;
                height: 250px;
            }
        }

        @media (max-width: 480px) {
            .backup-flip-card {
                width: 120px;
                height: 120px;
            }

            .backup-qr-trigger {
                padding: 8px 14px;
                font-size: 0.85rem;
            }

            .backup-qr-modal-image {
                width: 200px;
                height: 200px;
            }
        }

        /* 微信客服模态框样式 */
        .wechat-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
            overflow-y: auto;
            padding: 20px;
        }

        .wechat-modal.active {
            opacity: 1;
            visibility: visible;
        }

        .wechat-modal-content {
            background: white;
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            transform: scale(0.5) translateY(50px);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            max-width: 90vw;
            max-height: 90vh;
            margin: auto;
        }

        .wechat-modal.active .wechat-modal-content {
            transform: scale(1) translateY(0);
        }

        .wechat-modal-close {
            position: absolute;
            top: 15px;
            right: 20px;
            background: none;
            border: none;
            font-size: 2rem;
            color: #666;
            cursor: pointer;
            transition: all 0.3s;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10001;
        }

        .wechat-modal-close:hover {
            background: rgba(0, 0, 0, 0.1);
            color: #333;
            transform: rotate(90deg);
        }

        .wechat-info {
            text-align: center;
        }

        .wechat-icon {
            font-size: 4rem;
            color: #07c160;
            margin-bottom: 20px;
            animation: wechatPulse 2s ease-in-out infinite;
        }

        @keyframes wechatPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }

        .wechat-modal-title {
            font-size: 1.8rem;
            color: var(--text-primary);
            margin-bottom: 25px;
            font-weight: 600;
        }

        .wechat-details {
            margin-bottom: 25px;
        }

        .wechat-item {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            padding: 12px 20px;
            background: rgba(99, 102, 241, 0.05);
            border-radius: 12px;
            transition: all 0.3s ease;
        }

        .wechat-item:hover {
            background: rgba(99, 102, 241, 0.1);
            transform: translateX(5px);
        }

        .wechat-item i {
            font-size: 1.2rem;
            margin-right: 10px;
            width: 20px;
        }

        .wechat-label {
            font-weight: 500;
            color: var(--text-primary);
            margin-right: 10px;
        }

        .wechat-value {
            font-weight: 600;
            color: var(--accent-color);
            font-size: 1.1rem;
        }

        .copy-btn {
            background: linear-gradient(45deg, #07c160, #00d4aa);
            border: none;
            color: white;
            padding: 8px 12px;
            border-radius: 8px;
            cursor: pointer;
            margin-left: 10px;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .copy-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(7, 193, 96, 0.3);
        }

        .copy-btn:active {
            transform: scale(0.95);
        }

        .wechat-tips {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(251, 191, 36, 0.1));
            padding: 15px 20px;
            border-radius: 12px;
            border-left: 4px solid #f59e0b;
        }

        .wechat-tips p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .wechat-tips i {
            margin-right: 8px;
        }

        /* 响应式微信客服 */
        @media (max-width: 768px) {
            .wechat-modal-content {
                padding: 25px;
            }

            .wechat-icon {
                font-size: 3rem;
            }

            .wechat-modal-title {
                font-size: 1.5rem;
            }

            .wechat-item {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .wechat-item i {
                margin-right: 0;
                margin-bottom: 5px;
            }

            .copy-btn {
                margin-left: 0;
                margin-top: 8px;
            }
        }

        @media (max-width: 480px) {
            .wechat-modal-content {
                padding: 20px;
            }

            .wechat-icon {
                font-size: 2.5rem;
            }

            .wechat-modal-title {
                font-size: 1.3rem;
            }

            .wechat-value {
                font-size: 1rem;
            }
        }