/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 50px rgba(99, 102, 241, 0.5);
    --shadow-glow-strong: 0 0 80px rgba(236, 72, 153, 0.6);
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 30%, #f093fb 60%, #4facfe 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background: #0a0e27;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 60% 60%, rgba(79, 172, 254, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: background-pulse 8s ease-in-out infinite;
}

@keyframes background-pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradient-shift 3s ease infinite;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: all 0.3s;
}

/* Hero区域 */
.hero {
    position: relative;
    color: var(--white);
    padding: 120px 20px;
    text-align: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    background-size: 400% 400%;
    z-index: 0;
    animation: gradient-shift-bg 20s ease infinite;
}

#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.animated-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
    z-index: 0;
}

@keyframes grid-move {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

@keyframes gradient-shift-bg {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.8), transparent);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.8), transparent);
    bottom: -250px;
    right: -250px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.8), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

.orb-4 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.7), transparent);
    top: 20%;
    right: 10%;
    animation-delay: 15s;
}

.hero-content {
    max-width: 900px;
    width: 100%;
    position: relative;
    z-index: 1;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text-wrapper {
    animation: fadeInUp 1s ease-out;
    width: 100%;
    text-align: center;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    animation: slideInLeft 1s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    animation-fill-mode: forwards;
}

.title-line:first-child {
    animation-delay: 0.2s;
}

.title-line.highlight {
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 60px rgba(255, 255, 255, 0.8), 0 0 100px rgba(99, 102, 241, 0.5);
    animation: slideInRight 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both, text-glow 3s ease-in-out infinite;
    position: relative;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.5));
}

@keyframes text-glow {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.5)) drop-shadow(0 0 40px rgba(99, 102, 241, 0.3));
    }
    50% {
        filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.8)) drop-shadow(0 0 60px rgba(236, 72, 153, 0.5));
    }
}

.title-line.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.8);
    animation: underline-expand 1s ease-out 1.2s forwards;
}

.hero-subtitle {
    font-size: 1.6rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.hero-product {
    margin: 2rem 0;
    padding: 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-block;
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
}

.hero-product h3 {
    font-size: 1.8rem;
    margin: 0;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.hero-tagline {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 1s both;
    font-weight: 400;
    letter-spacing: 0.03em;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 50px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.15rem;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 1.2s both;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25), 0 0 30px rgba(255, 255, 255, 0.3);
    letter-spacing: 0.05em;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.cta-button::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50px;
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
    z-index: -1;
}

.cta-button:hover::after {
    opacity: 1;
    animation: border-glow 2s ease-in-out infinite;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-8px) scale(1.08);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 50px rgba(99, 102, 241, 0.5);
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
}

@keyframes border-glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(236, 72, 153, 0.8));
    }
}

.cta-button svg {
    transition: transform 0.3s;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

/* 鼠标跟随光效 */
.cursor-glow {
    position: fixed;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.8), rgba(236, 72, 153, 0.4), transparent);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, opacity 0.2s;
    mix-blend-mode: screen;
    filter: blur(8px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
    opacity: 0;
}

.cursor-glow.active {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4), rgba(236, 72, 153, 0.3), transparent);
    filter: blur(15px);
    opacity: 1;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s infinite;
}

/* 产品区域 */
.products {
    padding: 80px 20px;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: -0.02em;
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    opacity: 0;
    transform: translateY(30px) perspective(1000px);
    transform-style: preserve-3d;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 0;
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-card:hover {
    transform: translateY(-15px) scale(1.05) rotateY(2deg) rotateX(-2deg);
    box-shadow: 0 30px 80px rgba(99, 102, 241, 0.3), 0 0 40px rgba(236, 72, 153, 0.2);
}

.product-card:hover::before {
    opacity: 0.12;
    animation: card-glow 2s ease-in-out infinite;
}

@keyframes card-glow {
    0%, 100% {
        box-shadow: 0 30px 80px rgba(99, 102, 241, 0.3);
    }
    50% {
        box-shadow: 0 30px 80px rgba(99, 102, 241, 0.3), 0 0 60px rgba(236, 72, 153, 0.4);
    }
}

.product-image {
    height: 280px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-image {
    height: 300px;
}

.product-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent);
    animation: rotate 10s linear infinite;
    z-index: 1;
}

.product-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.15) 50%, transparent 70%);
    animation: shine 3s infinite;
    z-index: 2;
    pointer-events: none;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    position: relative;
    z-index: 1;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 20px;
}

.product-card:hover .product-img {
    transform: scale(1.1);
}

.product-icon {
    font-size: 5rem;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.1));
    transition: transform 0.5s;
}

.product-card:hover .product-icon {
    transform: scale(1.2) rotate(5deg);
}

.product-placeholder {
    color: var(--white);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s;
}

.product-card:hover .product-placeholder {
    transform: scale(1.1);
}

.product-info {
    padding: 2.5rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.product-info h3 {
    font-size: 1.6rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.product-button {
    display: inline-block;
    padding: 12px 30px;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.4s;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.product-button::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;
}

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

.product-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.product-details {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.product-series-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    text-align: center;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.product-item {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
    text-align: center;
}

.product-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.product-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 关于我们 */
.about {
    padding: 80px 20px;
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
    position: relative;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.about-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 600;
}

/* 数据统计展示 */
.stats-section {
    margin: 4rem 0;
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--gradient-primary);
    border-radius: 24px;
    color: var(--white);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.25), inset 0 0 30px rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
    animation: rotate 10s linear infinite;
}

.stat-item.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
    animation: rotate 15s linear infinite;
}

.stat-item:hover {
    transform: translateY(-15px) scale(1.1);
    box-shadow: 0 30px 70px rgba(99, 102, 241, 0.5), 0 0 50px rgba(236, 72, 153, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-desc {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 品牌故事 */
.brand-story {
    margin: 4rem 0;
    padding: 4rem 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-story.visible {
    opacity: 1;
    transform: translateY(0);
}

.brand-story::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.story-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
    font-weight: 600;
}

.story-content {
    max-width: 900px;
    margin: 0 auto;
}

.story-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    text-align: justify;
}

/* 产品优势区域 */
.advantages-section {
    margin-top: 4rem;
    padding-top: 3rem;
}

.advantages-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
    font-weight: 600;
}

.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.advantage-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    border-left: 4px solid;
    border-image: var(--gradient-primary) 1;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.4s;
}

.advantage-item:hover {
    transform: translateX(10px) translateY(-5px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

.advantage-item:hover::before {
    transform: scaleY(1);
}

.advantage-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.advantage-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 营业执照展示 */
.license-section {
    padding: 80px 20px;
    background: var(--bg-light);
}

.license-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-top: 3rem;
}

.license-info {
    padding: 2rem;
}

.license-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 600;
}

.license-details {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.license-details p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
}

.license-details strong {
    color: var(--text-color);
    font-weight: 600;
}

.license-image {
    text-align: center;
}

.license-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s;
}

.license-img:hover {
    transform: scale(1.02);
}

/* 服务与支持 */
.support {
    padding: 80px 20px;
    background: var(--white);
}

.support-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.support-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.support-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

.support-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.phone-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.support-item p {
    color: var(--text-light);
}

/* 页脚 */
.footer {
    background: #1f2937;
    color: var(--white);
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-80px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(80px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

@keyframes underline-expand {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

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

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* 响应式设计 - 平板 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 1rem 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-line {
        display: block;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-product h3 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .license-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* 响应式设计 - 手机 */
@media (max-width: 480px) {
    .hero {
        padding: 80px 20px;
        min-height: 500px;
    }

    .hero-title {
        font-size: 2rem;
    }
    
    .title-line {
        display: block;
    }
    
    .orb-1, .orb-2, .orb-3 {
        display: none;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-product h3 {
        font-size: 1.2rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .products,
    .about,
    .license-section,
    .support {
        padding: 60px 20px;
    }

    .advantages {
        grid-template-columns: 1fr;
    }

    .support-content {
        grid-template-columns: 1fr;
    }

    .product-list {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 1rem;
    }

    .stat-desc {
        font-size: 0.8rem;
    }

    .brand-story {
        padding: 2rem 15px;
    }

    .story-title {
        font-size: 1.5rem;
    }

    .story-content p {
        font-size: 1rem;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* 优化滚动性能 */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 改进产品卡片动画延迟 */
.products-grid .product-card:nth-child(1) {
    transition-delay: 0.1s;
}

.products-grid .product-card:nth-child(2) {
    transition-delay: 0.2s;
}

.products-grid .product-card:nth-child(3) {
    transition-delay: 0.3s;
}