/* 基础样式重置 - 重置浏览器默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ff4757;
    --primary-gradient: linear-gradient(135deg, #ff4757, #e74c3c);
    --secondary-gradient: linear-gradient(135deg, #3498db, #2980b9);
    --accent-color: #2ed573;
    --warning-color: #ffa502;
    --dark-bg: #1a1a1a;
    --light-bg: #f8f9fa;
    --text-dark: #333;
    --text-light: #666;
    --text-white: #fff;
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-md: 0 5px 20px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.2);
    --border-radius: 15px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', 'Arial', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--light-bg);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #e74c3c;
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.nav-logo h2:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-link[aria-current="page"] {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.hamburger:hover {
    background: var(--light-bg);
}

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

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* 英雄区域样式 - 直播间场景设计 */
.hero {
    background: url('https://q7.itc.cn/images01/20240109/c919942963b848d2ad354e654048e213.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--text-white);
    text-align: center;
    padding: 200px 20px 150px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* 动态粒子背景效果 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 71, 87, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(52, 152, 219, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 70%, rgba(46, 213, 115, 0.15) 0%, transparent 50%);
    animation: gradientShift 8s ease-in-out infinite;
}

/* 浮动粒子效果 */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="1" fill="rgba(255,255,255,0.08)"/><circle cx="40" cy="70" r="2" fill="rgba(255,255,255,0.12)"/><circle cx="70" cy="30" r="0.8" fill="rgba(255,255,255,0.06)"/><circle cx="10" cy="50" r="1.2" fill="rgba(255,255,255,0.09)"/><circle cx="90" cy="20" r="1.8" fill="rgba(255,255,255,0.11)"/></svg>');
    animation: floatParticles 20s ease-in-out infinite;
    mix-blend-mode: overlay;
    opacity: 0.6;
}

@keyframes gradientShift {
    0%, 100% { 
        background-position: 0% 0%, 100% 100%, 50% 50%;
        filter: hue-rotate(0deg);
    }
    50% { 
        background-position: 100% 100%, 0% 0%, 80% 80%;
        filter: hue-rotate(180deg);
    }
}

@keyframes floatParticles {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg) scale(1);
        opacity: 0.6;
    }
    33% { 
        transform: translateY(-20px) rotate(120deg) scale(1.1);
        opacity: 0.8;
    }
    66% { 
        transform: translateY(10px) rotate(240deg) scale(0.9);
        opacity: 0.7;
    }
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    animation: contentAppear 1.2s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes contentAppear {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
        backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        backdrop-filter: blur(20px);
    }
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 30px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1px;
    background: linear-gradient(135deg, 
        #ffffff 0%, 
        #ffdd59 25%,
        #ff4757 50%,
        #3498db 75%,
        #2ed573 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite alternate;
    text-shadow: 0 4px 30px rgba(255, 255, 255, 0.3);
}

@keyframes titleGlow {
    0% {
        text-shadow: 0 4px 30px rgba(255, 255, 255, 0.3),
                    0 0 20px rgba(255, 71, 87, 0.5);
    }
    100% {
        text-shadow: 0 4px 50px rgba(255, 255, 255, 0.5),
                    0 0 40px rgba(52, 152, 219, 0.6),
                    0 0 60px rgba(46, 213, 115, 0.4);
    }
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.7;
    font-weight: 400;
    animation: fadeInUp 1s ease-out 0.3s both;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-content p:last-of-type {
    font-size: 1.2rem;
    opacity: 0.8;
    margin-top: 20px;
    font-style: italic;
    animation: fadeInUp 1s ease-out 0.5s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.7s both;
}

/* 服务标签云效果 */
.service-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 30px 0;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.service-tag {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.service-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.service-tag:hover::before {
    left: 100%;
}

.service-tag:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        padding: 150px 20px 100px;
        min-height: 80vh;
    }
    
    .hero-content {
        padding: 30px 20px;
        margin: 0 10px;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
        line-height: 1.2;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .hero-content p:last-of-type {
        font-size: 1.1rem;
    }
    
    .service-tags {
        gap: 10px;
    }
    
    .service-tag {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .service-tag {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}

.btn {
    padding: 18px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-white);
    border: 2px solid transparent;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255,255,255,0.15);
    color: var(--text-white);
    border: 2px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

/* 服务模块样式 */
.services {
    padding: 100px 0;
    background: var(--light-bg);
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 60px;
    color: var(--text-dark);
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.service-card {
    background: white;
    padding: 45px 35px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.service-card i {
    font-size: 3.5rem;
    margin-bottom: 25px;
    display: inline-block;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.service-card:hover i {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--text-dark);
    font-weight: 700;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* 服务卡片悬停效果增强 */
.service-card:nth-child(2n) i {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card:nth-child(3n) i {
    background: linear-gradient(135deg, var(--accent-color), #27ae60);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 关于我们样式 */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f4f8 100%);
    position: relative;
}

.about-content {
    position: relative;
    z-index: 2;
}

.about-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 40px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-dark);
    font-weight: 500;
}

/* 全生态零售平台样式 - 远场中场近场 */
.ecosystem-platform {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f4f8 100%);
    position: relative;
    overflow: hidden;
}

.ecosystem-platform::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(255,71,87,0.05)"/><circle cx="90" cy="90" r="0.8" fill="rgba(255,71,87,0.05)"/><circle cx="30" cy="70" r="1.2" fill="rgba(255,71,87,0.05)"/><circle cx="70" cy="30" r="0.8" fill="rgba(255,71,87,0.05)"/></svg>');
    opacity: 0.3;
}

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

.ecosystem-badge {
    display: inline-block;
    background: var(--primary-gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

.ecosystem-title {
    font-size: 3.2rem;
    margin-bottom: 20px;
    color: var(--text-dark);
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ff4757, #3498db, #2ed573);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ecosystem-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
    margin-bottom: 50px;
}

.ecosystem-item {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(255,255,255,0.2);
}

.ecosystem-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.ecosystem-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.ecosystem-item:hover::before {
    transform: scaleX(1);
}

.ecosystem-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition);
}

.ecosystem-item:hover .ecosystem-image {
    transform: scale(1.05);
}

.ecosystem-content {
    padding: 30px;
}

.ecosystem-item h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.ecosystem-item h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.ecosystem-item:hover h3::after {
    width: 100%;
}

.ecosystem-item p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.05rem;
    margin: 0;
}

/* 远场零售特殊样式 */
.ecosystem-item:nth-child(1) h3 {
    color: #ff4757;
}

.ecosystem-item:nth-child(1) h3::after {
    background: linear-gradient(135deg, #ff4757, #e74c3c);
}

.ecosystem-item:nth-child(1)::before {
    background: linear-gradient(135deg, #ff4757, #e74c3c);
}

/* 中场零售特殊样式 */
.ecosystem-item:nth-child(2) h3 {
    color: #3498db;
}

.ecosystem-item:nth-child(2) h3::after {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.ecosystem-item:nth-child(2)::before {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

/* 近场零售特殊样式 */
.ecosystem-item:nth-child(3) h3 {
    color: #2ed573;
}

.ecosystem-item:nth-child(3) h3::after {
    background: linear-gradient(135deg, #2ed573, #27ae60);
}

.ecosystem-item:nth-child(3)::before {
    background: linear-gradient(135deg, #2ed573, #27ae60);
}

/* 生态连接图样式 */
.ecosystem-connection {
    text-align: center;
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(255,255,255,0.98));
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.ecosystem-connection::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="5" cy="5" r="0.5" fill="rgba(255,71,87,0.1)"/><circle cx="95" cy="95" r="0.3" fill="rgba(102,126,234,0.1)"/><circle cx="20" cy="80" r="0.4" fill="rgba(46,213,115,0.1)"/><circle cx="80" cy="20" r="0.3" fill="rgba(255,71,87,0.1)"/></svg>');
}

.ecosystem-connection h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text-dark);
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.connection-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.connection-node {
    text-align: center;
    position: relative;
}

.connection-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.3));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.5);
    transition: var(--transition);
}

.connection-node:hover .connection-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.connection-node:nth-child(1) .connection-icon {
    background: linear-gradient(135deg, rgba(255,71,87,0.2), rgba(231,76,60,0.3));
}

.connection-node:nth-child(2) .connection-icon {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.2), rgba(41, 128, 185, 0.3));
}

.connection-node:nth-child(3) .connection-icon {
    background: linear-gradient(135deg, rgba(46,213,115,0.2), rgba(39,174,96,0.3));
}

.connection-icon i {
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.connection-node:nth-child(1) .connection-icon i {
    background: linear-gradient(135deg, #ff4757, #e74c3c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.connection-node:nth-child(2) .connection-icon i {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.connection-node:nth-child(3) .connection-icon i {
    background: linear-gradient(135deg, #2ed573, #27ae60);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.connection-arrow {
    font-size: 1.8rem;
    color: var(--text-light);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(0); }
    40% { transform: translateX(5px); }
    60% { transform: translateX(3px); }
}

.connection-node p {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
    margin: 0;
}

.ecosystem-description {
    margin-top: 25px;
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

/* 运营模式样式 */
.business-model {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.model-item {
    background: white;
    padding: 35px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}

.model-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.model-item:hover::before {
    transform: scaleX(1);
}

.model-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.model-item h4 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.model-item h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.model-item p {
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
    font-size: 1.05rem;
}

/* 价值主张卡片 */
.value-proposition {
    text-align: center;
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(135deg, var(--secondary-gradient));
    border-radius: var(--border-radius);
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.value-proposition::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="90" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="30" cy="70" r="0.8" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="30" r="0.5" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 15s ease-in-out infinite;
}

.value-proposition h4 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.value-proposition p {
    margin: 12px 0;
    font-size: 1.1rem;
    opacity: 0.95;
    position: relative;
    z-index: 2;
}

.value-proposition strong {
    color: #ffdd59;
    font-weight: 600;
}

/* 场景化消费模块样式 */
.scenario-shopping {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f4f8 100%);
    position: relative;
}

.scenario-shopping::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(255,71,87,0.05)"/><circle cx="90" cy="90" r="0.8" fill="rgba(255,71,87,0.05)"/><circle cx="30" cy="70" r="1.2" fill="rgba(255,71,87,0.05)"/><circle cx="70" cy="30" r="0.8" fill="rgba(255,71,87,0.05)"/></svg>');
}

/* 页脚样式优化 */
.footer {
    padding: 100px 0 40px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="5" cy="5" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="95" cy="95" r="0.3" fill="rgba(255,255,255,0.05)"/><circle cx="20" cy="80" r="0.4" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="20" r="0.3" fill="rgba(255,255,255,0.05)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 25px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.4rem;
    position: relative;
    display: inline-block;
}

.footer-section h3::after,
.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    font-size: 1.05rem;
}

.footer-section a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.95rem;
}

/* 社交媒体链接优化 */
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--primary-gradient);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 71, 87, 0.3);
}

/* 页脚联系信息 */
.footer-contact-info {
    margin-top: 15px;
}

.footer-contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.footer-contact-info i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* 页脚订阅表单 */
.footer-subscribe {
    margin-top: 20px;
}

.footer-subscribe form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.footer-subscribe input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.footer-subscribe input::placeholder {
    color: rgba(255,255,255,0.6);
}

.footer-subscribe input:focus {
    outline: none;
    background: rgba(255,255,255,0.15);
}

.footer-subscribe button {
    padding: 12px 20px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.footer-subscribe button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 71, 87, 0.3);
}

/* 页脚动画效果 */
@keyframes fadeInUpFooter {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-section {
    animation: fadeInUpFooter 0.6s ease-out;
}

.footer-section:nth-child(1) { animation-delay: 0.1s; }
.footer-section:nth-child(2) { animation-delay: 0.2s; }
.footer-section:nth-child(3) { animation-delay: 0.3s; }
.footer-section:nth-child(4) { animation-delay: 0.4s; }

/* 响应式设计 */
@media (max-width: 768px) {
    .footer {
        padding: 60px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .footer-section h3::after,
    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-subscribe form {
        flex-direction: column;
    }
    
    .footer-contact-info p {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        gap: 30px;
    }
    
    .footer-section h3,
    .footer-section h4 {
        font-size: 1.2rem;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .footer {
        background: linear-gradient(135deg, #0f0f1a, #1a1a2e);
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .social-link:hover {
        transform: none;
    }
    
    .footer-section a:hover {
        transform: none;
    }
}

/* ==================== AI生活方式消费板块样式优化 ==================== */

.lifestyle-shopping {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f4f8 100%);
    position: relative;
    overflow: hidden;
}

.lifestyle-shopping::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(255,71,87,0.05)"/><circle cx="90" cy="90" r="0.8" fill="rgba(255,71,87,0.05)"/><circle cx="30" cy="70" r="1.2" fill="rgba(255,71,87,0.05)"/><circle cx="70" cy="30" r="0.8" fill="rgba(255,71,87,0.05)"/></svg>');
    opacity: 0.3;
}

/* 生活方式问卷样式 */
.lifestyle-form-container {
    margin: 40px 0;
}

.lifestyle-form-card {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
}

.lifestyle-form-card h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 15px;
    text-align: center;
}

.lifestyle-form-card > p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.lifestyle-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
    font-size: 1.05rem;
}

.form-group input,
.form-group select {
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.1);
    transform: translateY(-2px);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 5px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: var(--transition);
    background: #f8f9fa;
}

.checkbox-group label:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-2px);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

/* AI推荐头部样式 */
.ai-recommendation-header {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(255,255,255,0.95));
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin: 40px 0;
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.ai-recommendation-header i {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    display: inline-block;
}

.ai-recommendation-header h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.ai-recommendation-header p {
    color: var(--text-light);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

/* 推荐结果网格样式 */
.lifestyle-recommendations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.recommendation-placeholder {
    text-align: center;
    padding: 60px 40px;
    background: rgba(255,255,255,0.8);
    border-radius: var(--border-radius);
    border: 2px dashed var(--primary-color);
    color: var(--text-light);
}

.recommendation-placeholder i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.7;
}

.recommendation-placeholder h4 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* 生活方式产品卡片样式 */
.lifestyle-product {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(255,255,255,0.2);
}

.lifestyle-product:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.product-match-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-gradient);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(255, 71, 87, 0.3);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.lifestyle-product:hover .product-image {
    transform: scale(1.05);
}

.product-content {
    padding: 25px;
}

.product-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
}

.product-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 1rem;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.match-reasons {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
}

.match-reasons strong {
    color: var(--text-dark);
    margin-bottom: 8px;
    display: block;
}

.match-reasons-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.match-reasons-list li {
    padding: 5px 0;
    color: var(--text-light);
    font-size: 0.95rem;
    position: relative;
    padding-left: 15px;
}

.match-reasons-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.product-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.lifestyle-buy-btn {
    flex: 1;
    min-width: 120px;
}

.lifestyle-detail-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.lifestyle-detail-btn:hover {
    background: var(--primary-color);
    color: white;
}

.lifestyle-feedback-btn {
    width: 45px;
    height: 45px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lifestyle-feedback-btn:hover {
    transform: scale(1.1);
}

/* AI算法说明样式 */
.ai-algorithm-explanation {
    margin: 60px 0;
    text-align: center;
}

.ai-algorithm-explanation h3 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--text-dark);
    position: relative;
    display: inline-block;
}

.ai-algorithm-explanation h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.algorithm-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.algorithm-step {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    text-align: center;
}

.algorithm-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.2; }
}

.algorithm-step h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.algorithm-step p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* 无推荐结果样式 */
.no-recommendations {
    text-align: center;
    padding: 60px 40px;
    background: rgba(255,255,255,0.9);
    border-radius: var(--border-radius);
    border: 2px dashed #ddd;
}

.no-recommendations i {
    font-size: 4rem;
    color: #ddd;
    margin-bottom: 20px;
}

.no-recommendations h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.no-recommendations p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* 全生态零售平台响应式设计 */
@media (max-width: 768px) {
    .ecosystem-platform {
        padding: 60px 0;
    }
    
    .ecosystem-title {
        font-size: 2.5rem;
    }
    
    .ecosystem-subtitle {
        font-size: 1.1rem;
    }
    
    .ecosystem-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .ecosystem-item {
        margin: 0 auto;
        max-width: 400px;
    }
    
    .ecosystem-content {
        padding: 25px;
    }
    
    .ecosystem-item h3 {
        font-size: 1.4rem;
    }
    
    .connection-flow {
        flex-direction: column;
        gap: 20px;
    }
    
    .connection-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .ecosystem-connection {
        padding: 30px 20px;
    }
    
    .ecosystem-connection h3 {
        font-size: 1.6rem;
    }
    
    .connection-icon {
        width: 70px;
        height: 70px;
    }
    
    .connection-icon i {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .ecosystem-platform {
        padding: 40px 0;
    }
    
    .ecosystem-title {
        font-size: 2rem;
    }
    
    .ecosystem-badge {
        font-size: 0.8rem;
        padding: 6px 15px;
    }
    
    .ecosystem-item {
        max-width: 100%;
    }
    
    .ecosystem-image {
        height: 180px;
    }
    
    .ecosystem-content {
        padding: 20px;
    }
    
    .ecosystem-item h3 {
        font-size: 1.3rem;
    }
    
    .ecosystem-item p {
        font-size: 1rem;
    }
    
    .connection-icon {
        width: 60px;
        height: 60px;
    }
    
    .connection-icon i {
        font-size: 1.8rem;
    }
    
    .connection-node p {
        font-size: 1rem;
    }
}

/* 生活方式消费响应式设计 */
@media (max-width: 768px) {
    .lifestyle-form {
        grid-template-columns: 1fr;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .lifestyle-recommendations-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .lifestyle-buy-btn {
        min-width: auto;
    }
    
    .algorithm-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .ai-recommendation-header {
        padding: 30px 20px;
    }
    
    .lifestyle-form-card {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .lifestyle-shopping {
        padding: 60px 0;
    }
    
    .product-match-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
    
    .product-title {
        font-size: 1.2rem;
    }
    
    .product-price {
        font-size: 1.3rem;
    }
}

/* 动画效果 */
@keyframes fadeInUpLifestyle {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lifestyle-product {
    animation: fadeInUpLifestyle 0.6s ease-out;
}

.lifestyle-product:nth-child(1) { animation-delay: 0.1s; }
.lifestyle-product:nth-child(2) { animation-delay: 0.2s; }
.lifestyle-product:nth-child(3) { animation-delay: 0.3s; }
.lifestyle-product:nth-child(4) { animation-delay: 0.4s; }
.lifestyle-product:nth-child(5) { animation-delay: 0.5s; }
.lifestyle-product:nth-child(6) { animation-delay: 0.6s; }
.lifestyle-product:nth-child(7) { animation-delay: 0.7s; }
.lifestyle-product:nth-child(8) { animation-delay: 0.8s; }

/* 加载状态动画 */
@keyframes loadingPulse {
    0%, 100% { opacity: 0.6; transform: scale(0.98); }
    50% { opacity: 1; transform: scale(1); }
}

.lifestyle-product.loading {
    animation: loadingPulse 1.5s ease-in-out infinite;
}

/* 高匹配度产品特殊样式 */
.lifestyle-product[data-score^="0.9"] {
    border: 2px solid var(--accent-color);
    box-shadow: 0 8px 30px rgba(46, 213, 115, 0.2);
}

.lifestyle-product[data-score^="0.9"] .product-match-badge {
    background: linear-gradient(135deg, var(--accent-color), #27ae60);
}