/*

TemplateMo 595 3d coverflow

https://templatemo.com/tm-595-3d-coverflow

*/

@charset "utf-8";
/* CSS Document */

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

        html {
            scroll-behavior: smooth;
            /* 防止移动端弹性滚动 */
            overscroll-behavior: none;
            /* 防止iOS Safari底部工具栏影响 */
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            overflow-x: hidden;
            position: relative;
            background: #000;
            /* 防止移动端橡皮筋效果 */
            overscroll-behavior-y: none;
            /* 优化移动端触摸滚动 */
            -webkit-overflow-scrolling: touch;
            /* 防止移动端点击高亮 */
            -webkit-tap-highlight-color: transparent;
            /* 确保全屏显示，防止iOS Safari地址栏问题 */
            min-height: 100vh;
            min-height: -webkit-fill-available;
        }

        /* Sections */
        .section {
            min-height: 100vh;
            /* iOS Safari兼容 */
            min-height: -webkit-fill-available;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            /* 防止水平溢出 */
            max-width: 100vw;
        }

        #home {
            background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f0f 100%);
        }

        #about {
            background: linear-gradient(135deg, #0f0f0f 0%, #1a1a2e 100%);
        }

        #contact {
            background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f0f 100%);
        }

        /* Header Styles */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 40px;
            transition: all 0.3s ease;
        }

        .header.scrolled {
            background: rgba(0, 0, 0, 0.95);
            height: 70px;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .logo-container:hover {
            transform: translateY(-2px);
        }

        .logo {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo svg {
            width: 100%;
            height: 100%;
        }

        .logo-text {
            color: white;
            font-size: 24px;
            font-weight: 600;
            letter-spacing: -0.5px;
        }

        .main-menu {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .menu-item {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            padding: 8px 0;
        }

        .menu-item:hover {
            color: white;
            transform: translateY(-2px);
        }

        .menu-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #667eea, #764ba2);
            transition: width 0.3s ease;
        }

        .menu-item:hover::after {
            width: 100%;
        }

        .menu-item.active {
            color: white;
        }

        .menu-item.active::after {
            width: 100%;
        }

        .menu-item.external::before {
            content: '↗';
            margin-right: 5px;
            font-size: 12px;
            opacity: 0.7;
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 4px;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: white;
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 2px;
        }

        /* Home Section with Coverflow */
        .coverflow-wrapper {
            width: 100%;
            height: 100vh;
            /* iOS Safari兼容 */
            height: -webkit-fill-available;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding-top: 80px;
            /* 防止触摸冲突 */
            touch-action: pan-y;
            /* 确保内容不会溢出 */
            overflow: hidden;
            gap: 30px;
        }

        .coverflow-container {
            width: 100%;
            height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
            perspective: 1200px;
            position: relative;
            /* 优化移动端触摸 */
            touch-action: manipulation;
            /* 防止选中文本 */
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
            flex-shrink: 0;
            order: 2;
        }

        .coverflow {
            display: flex;
            align-items: center;
            justify-content: center;
            transform-style: preserve-3d;
            position: relative;
            width: 100%;
            height: 400px;
        }

        .coverflow-item {
            position: absolute;
            width: 400px;
            height: 400px;
            transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            cursor: pointer;
            user-select: none;
        }

        .coverflow-item .cover {
            width: 100%;
            height: 100%;
            border-radius: 10px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
            position: relative;
            overflow: hidden;
            transform-style: preserve-3d;
            background: #333;
        }

        .coverflow-item .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 10px;
        }

        /* Reflection */
        .coverflow-item .reflection {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 10px;
            transform: scaleY(-1);
            opacity: 0.2;
            filter: blur(2px);
            background: linear-gradient(to bottom, 
                rgba(0, 0, 0, 0) 0%, 
                rgba(0, 0, 0, 0.8) 50%, 
                rgba(0, 0, 0, 1) 100%);
            overflow: hidden;
        }

        /* Active item (center) */
        .coverflow-item.active {
            z-index: 100;
            transform: translateX(0) translateZ(0) rotateY(0deg);
        }

        .coverflow-item.active .cover {
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.9);
        }

        /* Navigation */
        .nav-button {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.2);
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            z-index: 200;
        }

        .nav-button:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-50%) scale(1.1);
        }

        .nav-button.prev {
            left: 50px;
        }

        .nav-button.next {
            right: 50px;
        }

        /* Dots indicator */
        .dots-container {
            position: absolute;
            bottom: 90px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 200;
        }

        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .dot.active {
            background: rgba(255, 255, 255, 0.8);
            transform: scale(1.3);
        }

        /* Info display */
        .info {
            position: relative;
            color: white;
            text-align: center;
            z-index: 200;
            max-width: 800px;
            padding: 0 20px;
            flex-shrink: 0;
            order: 1;
        }

        .info h2 {
            font-size: 32px;
            margin-bottom: 10px;
            opacity: 0;
            animation: fadeIn 0.6s forwards;
        }

        .info p {
            font-size: 16px;
            opacity: 0.7;
        }

        @keyframes fadeIn {
            to {
                opacity: 1;
            }
        }

        /* Play/Pause Button */
        .play-pause-button {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.2);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            z-index: 200;
        }

        .play-pause-button:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(-50%) scale(1.1);
        }

        .play-pause-button .pause-icon {
            font-size: 16px;
            letter-spacing: 2px;
        }

        /* About Section */
        .about-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 40px;
            color: white;
        }

        .about-header {
            text-align: center;
            margin-bottom: 80px;
        }

        .about-header h2 {
            font-size: 48px;
			margin-top: 60px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .about-header p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .about-main {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
            margin-bottom: 80px;
        }

        .about-visual {
            position: relative;
            height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .showcase-display {
            position: relative;
            width: 100%;
            max-width: 500px;
            height: 500px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .showcase-main {
            position: relative;
            width: 350px;
            height: 450px;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 50%, rgba(52, 73, 236, 0.1) 100%);
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 35px 30px 40px 30px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            backdrop-filter: blur(15px);
            box-shadow: 
                0 25px 50px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.05),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: visible;
        }

        .showcase-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
            border-radius: 30px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .showcase-main:hover {
            transform: translateY(-5px);
            box-shadow: 
                0 35px 70px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(102, 126, 234, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
            border-color: rgba(102, 126, 234, 0.4);
        }

        .showcase-main:hover::before {
            opacity: 1;
        }

        .showcase-logo {
            width: 120px;
            height: 120px;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 30px;
        }

        .showcase-logo svg {
            width: 70%;
            height: 70%;
        }

        .showcase-title {
            font-size: 32px;
            font-weight: 700;
            color: white;
            margin-bottom: 15px;
            text-align: center;
        }

        .showcase-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .showcase-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 0 15px;
            max-width: 100%;
            position: relative;
            margin-top: 20px;
        }

        .showcase-badges .badge:nth-child(1) {
            transform: translateY(-1px) rotate(-0.5deg);
            animation-delay: 0.1s;
        }

        .showcase-badges .badge:nth-child(2) {
            transform: translateY(1px) rotate(0.3deg);
            animation-delay: 0.2s;
        }

        .showcase-badges .badge:nth-child(3) {
            transform: translateY(-0.5px) rotate(-0.2deg);
            animation-delay: 0.3s;
        }

        .showcase-badges .badge:nth-child(4) {
            transform: translateY(1px) rotate(0.4deg);
            animation-delay: 0.4s;
        }

        .badge {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 22px;
            padding: 8px 16px;
            font-size: 12px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            text-align: center;
            white-space: nowrap;
            min-width: fit-content;
            max-width: 100%;
            word-break: break-word;
            position: relative;
            overflow: hidden;
            box-shadow: 
                0 3px 12px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }

        .badge::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transition: left 0.5s ease;
        }

        .badge:hover {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-color: rgba(102, 126, 234, 0.5);
            color: white;
            transform: translateY(-3px) scale(1.05) rotate(0deg) !important;
            box-shadow: 
                0 8px 25px rgba(102, 126, 234, 0.4),
                0 4px 15px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }

        .badge:hover::before {
            left: 100%;
        }

        .badge:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
        }

        /* Decorative corner elements */
        .corner-decoration {
            position: absolute;
            width: 80px;
            height: 80px;
            border: 2px solid rgba(102, 126, 234, 0.3);
        }

        .corner-decoration.top-left {
            top: -20px;
            left: -20px;
            border-right: none;
            border-bottom: none;
            border-radius: 20px 0 0 0;
        }

        .corner-decoration.bottom-right {
            bottom: -20px;
            right: -20px;
            border-left: none;
            border-top: none;
            border-radius: 0 0 20px 0;
        }

        .about-info {
            padding-left: 40px;
        }

        .about-info h3 {
            font-size: 36px;
            margin-bottom: 30px;
            line-height: 1.3;
        }

        .about-info p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .feature-list {
            list-style: none;
            margin-bottom: 40px;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
        }

        .feature-list li::before {
            content: '✓';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Value Props Styles */
        .value-props {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin: 40px 0;
            padding: 30px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .value-item {
            text-align: center;
            padding: 20px;
        }

        .value-number {
            font-size: 48px;
            font-weight: bold;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 10px;
        }

        .value-text {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        /* Business Scenarios Styles */
        .business-scenarios {
            margin-top: 40px;
        }

        .business-scenarios h4 {
            font-size: 24px;
            color: white;
            margin-bottom: 25px;
            text-align: center;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .scenario-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 25px;
            transition: all 0.3s ease;
        }

        .scenario-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(102, 126, 234, 0.5);
            transform: translateY(-2px);
        }

        .scenario-item strong {
            display: block;
            font-size: 18px;
            color: #667eea;
            margin-bottom: 8px;
        }

        .scenario-item span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.5;
        }

        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-decoration: none;
            padding: 15px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
        }

        .cta-button svg {
            width: 20px;
            height: 20px;
            transition: transform 0.3s ease;
        }

        .cta-button:hover svg {
            transform: translateX(5px);
        }

        .stats-section {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            padding: 60px;
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(10px);
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 700;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Contact Section */
        .contact-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px;
            color: white;
        }

        .contact-header {
            text-align: center;
			margin-top: 60px;
            margin-bottom: 60px;
        }

        .contact-header h2 {
            font-size: 48px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .contact-header p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto;
        }

        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }

        .contact-info-section {
            padding-right: 40px;
        }

        .contact-info-section h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: white;
        }

        .contact-info-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            transition: all 0.3s ease;
        }

        .contact-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(5px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .contact-icon svg {
            width: 24px;
            height: 24px;
            fill: white;
        }

        .contact-text {
            flex: 1;
        }

        .contact-text h4 {
            font-size: 16px;
            color: white;
            margin-bottom: 5px;
        }

        .contact-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }

        .social-links {
            margin-top: 40px;
        }

        .social-links h4 {
            font-size: 18px;
            margin-bottom: 20px;
            color: white;
        }

        .social-buttons {
            display: flex;
            gap: 15px;
        }

        .social-btn {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .social-btn:hover {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
        }

        .social-btn svg {
            width: 20px;
            height: 20px;
            fill: white;
        }

        .contact-form-section {
            padding-left: 40px;
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 40px;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 15px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            color: white;
            font-size: 16px;
            font-family: inherit;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
            background: rgba(255, 255, 255, 0.08);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 150px;
            line-height: 1.5;
        }

        .submit-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            padding: 15px 40px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
        }

        .submit-btn:active {
            transform: translateY(0);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }

        .submit-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none !important;
            box-shadow: none !important;
        }

        .btn-loading {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-loading::after {
            content: '';
            width: 14px;
            height: 14px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
        }

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

        /* Form Status Styles */
        .form-status {
            margin-top: 20px;
            padding: 15px 20px;
            border-radius: 10px;
            text-align: center;
            font-size: 14px;
            font-weight: 500;
            display: none;
            transition: all 0.3s ease;
        }

        .form-status.success {
            background: linear-gradient(135deg, rgba(46, 213, 115, 0.1), rgba(0, 184, 148, 0.1));
            border: 1px solid rgba(46, 213, 115, 0.3);
            color: #2ed573;
        }

        .form-status.error {
            background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(238, 82, 83, 0.1));
            border: 1px solid rgba(255, 107, 107, 0.3);
            color: #ff6b6b;
        }

        .form-status.loading {
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
            border: 1px solid rgba(102, 126, 234, 0.3);
            color: #667eea;
        }

        /* Smooth image loading */
        .image-loading {
            background: linear-gradient(45deg, #333, #555);
            position: relative;
        }

        .image-loading::after {
            content: '📷';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 48px;
            opacity: 0.5;
        }

        /* Footer Styles */
        .footer {
            background: rgba(0, 0, 0, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 40px 20px;
            margin-top: 80px;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 30px;
        }

        .footer-copyright {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

        .footer-copyright a {
            color: #667eea;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-copyright a:hover {
            color: #764ba2;
        }

        .footer-links {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: white;
        }

        /* Scroll to top button */
        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            transform: translateY(100px);
            transition: all 0.3s ease;
            z-index: 999;
        }

        .scroll-to-top.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .scroll-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
        }

        /* 移动端性能优化 */
        @media (max-width: 1024px) {
            /* 减少动画复杂度提升性能 */
            .coverflow-item {
                will-change: transform;
            }
            
            .coverflow-item .cover {
                backface-visibility: hidden;
                perspective: 1000px;
            }
            
            /* 优化触摸滚动 */
            * {
                -webkit-tap-highlight-color: rgba(0,0,0,0);
                -webkit-touch-callout: none;
            }

        /* 桌面版本info样式优化 */
        @media (min-width: 1025px) {
            .info h2 {
                font-size: 36px;
                margin-bottom: 15px;
            }
            
            .info p {
                font-size: 18px;
                line-height: 1.6;
            }
            
            .coverflow-wrapper {
                gap: 40px;
            }
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .coverflow-wrapper {
                gap: 25px;
            }
            
            .coverflow-container {
                height: 500px;
            }
        
            .about-main {
                grid-template-columns: 1fr;
                gap: 60px;
            }

            .about-visual {
                height: 400px;
            }

            .about-info {
                padding-left: 0;
                text-align: center;
            }

            .feature-list {
                text-align: left;
                max-width: 500px;
                margin: 0 auto 40px;
            }

            .value-props {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 20px;
                margin: 30px 0;
            }

            .value-number {
                font-size: 36px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            .business-scenarios h4 {
                font-size: 20px;
                margin-bottom: 20px;
            }

            .scenario-item {
                padding: 20px;
            }

            .stats-section {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
                padding: 40px;
            }

            /* Contact section responsive */
            .contact-container {
                grid-template-columns: 1fr;
                gap: 50px;
            }

            .contact-info-section {
                padding-right: 0;
            }

            .contact-form-section {
                padding-left: 0;
            }
        }

        @media (max-width: 768px) {
            /* 修复iOS Safari的视口问题 */
            .coverflow-wrapper {
                height: 100vh;
                height: calc(var(--vh, 1vh) * 100);
                padding-top: 70px;
                /* 防止过度滚动 */
                overscroll-behavior: none;
            }

            .section {
                min-height: 100vh;
                min-height: calc(var(--vh, 1vh) * 100);
                /* 防止水平滚动 */
                overflow-x: hidden;
            }

            .header {
                padding: 0 20px;
                /* 确保header在移动端固定 */
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                z-index: 1000;
            }

            .main-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(0, 0, 0, 0.95);
                backdrop-filter: blur(10px);
                flex-direction: column;
                padding: 20px;
                gap: 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }

            .main-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .menu-toggle.active span:nth-child(1) {
                transform: rotate(-45deg) translate(-5px, 6px);
            }

            .menu-toggle.active span:nth-child(2) {
                opacity: 0;
            }

            .menu-toggle.active span:nth-child(3) {
                transform: rotate(45deg) translate(-5px, -6px);
            }

            .coverflow-item {
                width: 280px;
                height: 280px;
            }

            .nav-button {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }

            .nav-button.prev {
                left: 20px;
            }

            .nav-button.next {
                right: 20px;
            }

            .coverflow-wrapper {
                gap: 20px;
            }
            
            .coverflow-container {
                height: 450px;
            }

            .info h2 {
                font-size: 24px;
            }

            .info p {
                font-size: 14px;
            }

            .logo-text {
                font-size: 20px;
            }

            .about-header h2 {
                font-size: 36px;
            }

            .about-info h3 {
                font-size: 28px;
            }

            .about-visual {
                height: 400px;
            }

            .showcase-display {
                max-width: 350px;
                height: 400px;
            }

            .showcase-main {
                width: 100%;
                height: 380px;
                padding: 25px 20px 30px 20px;
            }

            .showcase-logo {
                width: 100px;
                height: 100px;
                margin-bottom: 20px;
            }

            .showcase-title {
                font-size: 28px;
            }

            .showcase-subtitle {
                font-size: 14px;
                margin-bottom: 30px;
            }

            .corner-decoration {
                display: none;
            }

            .stat-number {
                font-size: 36px;
            }

            .contact-content h2 {
                font-size: 36px;
            }

            .footer-content {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .footer-links {
                gap: 20px;
            }
        }

        @media (max-width: 480px) {
            /* 超小屏幕优化 */
            .section {
                min-height: 100vh;
                min-height: calc(var(--vh, 1vh) * 100);
                padding: 0 10px;
            }

            .coverflow-wrapper {
                height: 100vh;
                height: calc(var(--vh, 1vh) * 100);
                padding-top: 60px;
                gap: 15px;
            }
            
            .coverflow-container {
                height: 400px;
            }

            .header {
                height: 60px;
                padding: 0 15px;
                /* 减少backdrop-filter对性能的影响 */
                backdrop-filter: blur(8px);
            }

            .header.scrolled {
                height: 55px;
            }

            .logo {
                width: 40px;
                height: 40px;
            }

            .logo-text {
                font-size: 18px;
            }

            .coverflow-item {
                width: 240px;
                height: 240px;
            }

            .about-content,
            .contact-content {
                padding: 20px;
            }

            .showcase-badges {
                gap: 6px;
                padding: 0 5px;
                margin-top: 15px;
            }

            .showcase-badges .badge:nth-child(1),
            .showcase-badges .badge:nth-child(2),
            .showcase-badges .badge:nth-child(3),
            .showcase-badges .badge:nth-child(4) {
                transform: translateY(0) rotate(0deg);
            }

            .badge {
                padding: 6px 12px;
                font-size: 11px;
                white-space: normal;
                line-height: 1.2;
                text-align: center;
                border-radius: 18px;
            }

            /* Additional contact section mobile optimization for small screens */
            .contact-container {
                gap: 30px;
            }

            .contact-header {
                margin-bottom: 40px;
            }

            .contact-header h2 {
                font-size: 32px;
                margin-bottom: 15px;
            }

            .contact-header p {
                font-size: 16px;
                padding: 0 10px;
            }

            .contact-info-section {
                margin-bottom: 20px;
            }

            .contact-info-section h3 {
                font-size: 22px;
                margin-bottom: 15px;
            }

            .contact-info-section > p {
                font-size: 14px;
                padding: 0 10px;
                margin-bottom: 30px;
            }

            .contact-details {
                gap: 15px;
            }

            .contact-item {
                padding: 15px;
                gap: 12px;
            }

            .contact-icon {
                width: 40px;
                height: 40px;
            }

            .contact-icon svg {
                width: 20px;
                height: 20px;
            }

            .contact-text h4 {
                font-size: 14px;
            }

            .contact-text p {
                font-size: 12px;
                word-break: break-word;
            }

            .social-links {
                margin-top: 30px;
            }

            .social-links h4 {
                font-size: 16px;
                margin-bottom: 15px;
            }

            .social-buttons {
                gap: 10px;
            }

            .social-btn {
                width: 40px;
                height: 40px;
            }

            .social-btn svg {
                width: 18px;
                height: 18px;
            }

            .contact-form {
                padding: 20px 15px;
                border-radius: 15px;
            }

            .form-group {
                margin-bottom: 20px;
            }

            .form-group label {
                font-size: 14px;
                margin-bottom: 8px;
            }

            .form-group input,
            .form-group textarea {
                padding: 12px;
                font-size: 14px;
                border-radius: 8px;
            }

            .form-group textarea {
                min-height: 120px;
            }

            .submit-btn {
                padding: 12px 30px;
                font-size: 16px;
                border-radius: 25px;
            }
        }