/* ===== 全局样式 ===== */
:root {
    --primary-purple: #8B5CF6;
    --primary-purple-dark: #6D28D9;
    --primary-purple-light: #A78BFA;
    --accent-pink: #EC4899;
    --accent-cyan: #06B6D4;
    --accent-violet: #6366F1;
    --gradient-1: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
    --gradient-2: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
    --gradient-3: linear-gradient(135deg, #06B6D4 0%, #6366F1 100%);
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --shadow-sm: 0 2px 4px rgba(139, 92, 246, 0.1);
    --shadow-md: 0 4px 6px rgba(139, 92, 246, 0.15);
    --shadow-lg: 0 10px 25px rgba(139, 92, 246, 0.2);
    --shadow-xl: 0 20px 40px rgba(139, 92, 246, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-purple);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.back-to-top.show {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ===== 首页Hero区域 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a0a2e 50%, #16213e 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(99, 102, 241, 0.2) 0%, transparent 50%);
    opacity: 0.6;
    z-index: 0;
    animation: backgroundPulse 8s ease-in-out infinite;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, transparent 50%),
        radial-gradient(circle, rgba(236, 72, 153, 0.3) 0%, transparent 60%);
    animation: rotate 25s linear infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(139, 92, 246, 0.03) 2px, rgba(139, 92, 246, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(236, 72, 153, 0.03) 2px, rgba(236, 72, 153, 0.03) 4px);
    animation: gridMove 20s linear infinite;
}

/* 粒子效果 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-purple);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-purple), 0 0 20px var(--accent-pink);
    animation: float 15s infinite ease-in-out;
}

.particle:nth-child(1) {
    left: 10%;
    top: 20%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.particle:nth-child(2) {
    left: 20%;
    top: 60%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.particle:nth-child(3) {
    left: 30%;
    top: 40%;
    animation-delay: 4s;
    animation-duration: 15s;
}

.particle:nth-child(4) {
    left: 50%;
    top: 10%;
    animation-delay: 1s;
    animation-duration: 20s;
}

.particle:nth-child(5) {
    left: 60%;
    top: 70%;
    animation-delay: 3s;
    animation-duration: 14s;
}

.particle:nth-child(6) {
    left: 70%;
    top: 30%;
    animation-delay: 5s;
    animation-duration: 16s;
}

.particle:nth-child(7) {
    left: 80%;
    top: 50%;
    animation-delay: 2.5s;
    animation-duration: 13s;
}

.particle:nth-child(8) {
    left: 90%;
    top: 80%;
    animation-delay: 4.5s;
    animation-duration: 17s;
}

.particle:nth-child(9) {
    left: 15%;
    top: 80%;
    animation-delay: 1.5s;
    animation-duration: 19s;
}

.particle:nth-child(10) {
    left: 85%;
    top: 15%;
    animation-delay: 3.5s;
    animation-duration: 11s;
}

/* 几何图形 */
.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(236, 72, 153, 0.2));
    filter: blur(40px);
    animation: shapeFloat 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    bottom: -150px;
    right: -150px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    animation-delay: 5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    top: 50%;
    right: 10%;
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(6, 182, 212, 0.2));
    animation-delay: 10s;
}

.shape-4 {
    width: 350px;
    height: 350px;
    bottom: 20%;
    left: 5%;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(99, 102, 241, 0.2));
    animation-delay: 7s;
}

.shape-5 {
    width: 200px;
    height: 200px;
    top: 20%;
    left: 50%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(236, 72, 153, 0.3));
    animation-delay: 3s;
}

/* 光晕效果 */
.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    animation: glowPulse 4s ease-in-out infinite;
}

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

@keyframes backgroundPulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 0.8;
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.7;
    }
    25% {
        transform: translateY(-30px) translateX(20px) scale(1.2);
        opacity: 1;
    }
    50% {
        transform: translateY(-60px) translateX(-15px) scale(0.8);
        opacity: 0.5;
    }
    75% {
        transform: translateY(-30px) translateX(10px) scale(1.1);
        opacity: 0.9;
    }
}

@keyframes shapeFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

@keyframes glowPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    text-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
    animation: titleGlow 3s ease-in-out infinite;
    position: relative;
}

.hero-title::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(20px);
    opacity: 0.5;
    z-index: -1;
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(236, 72, 153, 0.7));
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: subtitleFade 2s ease-in-out infinite;
}

@keyframes subtitleFade {
    0%, 100% {
        opacity: 0.9;
    }
    50% {
        opacity: 1;
    }
}

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

/* ===== 按钮样式 ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4), 0 0 30px rgba(236, 72, 153, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(139, 92, 246, 0.6), 0 0 40px rgba(236, 72, 153, 0.5);
    animation: buttonPulse 2s ease-in-out infinite;
}

@keyframes buttonPulse {
    0%, 100% {
        box-shadow: 0 6px 25px rgba(139, 92, 246, 0.6), 0 0 40px rgba(236, 72, 153, 0.5);
    }
    50% {
        box-shadow: 0 6px 30px rgba(139, 92, 246, 0.8), 0 0 50px rgba(236, 72, 153, 0.7);
    }
}

.btn-secondary {
    background: var(--gradient-3);
    color: white;
    box-shadow: var(--shadow-md);
}

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

/* ===== 通用区块样式 ===== */
.section {
    padding: 80px 0;
    position: relative;
}

.section-alt {
    background: var(--bg-light);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

/* ===== 优势卡片 ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.2rem;
}

.advantage-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-purple);
    flex-shrink: 0;
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.9;
    word-break: keep-all;
    overflow-wrap: break-word;
    text-align: center;
    margin: 0;
    flex: 1;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

/* ===== 产品优势 ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
}

.product-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-purple-light);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-purple);
    flex-shrink: 0;
}

.product-card p {
    color: var(--text-light);
    line-height: 1.9;
    word-break: keep-all;
    overflow-wrap: break-word;
    text-align: left;
    margin: 0;
    flex: 1;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

/* ===== 核心业务 ===== */
.business-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    margin-bottom: 3rem;
}

.business-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.business-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.business-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-purple);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.business-card p {
    color: var(--text-light);
    line-height: 1.9;
    word-break: keep-all;
    overflow-wrap: break-word;
    text-align: left;
    margin: 0;
    position: relative;
    z-index: 1;
    flex: 1;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.business-description {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-top: 2rem;
}

.business-description p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.business-description p:last-child {
    margin-bottom: 0;
}

/* ===== 关于我们 ===== */
.about-content {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 3rem;
}

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

.about-content p:last-child {
    margin-bottom: 0;
}

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

.value-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid;
    border-image: var(--gradient-1) 1;
    display: flex;
    flex-direction: column;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.value-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-purple);
    flex-shrink: 0;
}

.value-card p {
    color: var(--text-light);
    line-height: 1.9;
    word-break: keep-all;
    overflow-wrap: break-word;
    margin: 0;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

/* ===== 管理团队 ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.team-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.team-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-lg);
}

.team-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-purple);
}

.team-role {
    color: var(--accent-pink);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-bio {
    color: var(--text-light);
    line-height: 1.8;
    text-align: left;
}

/* ===== 客户案例 ===== */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.client-category {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
}

.client-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.client-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-purple);
}

.client-placeholder {
    padding: 3rem;
    background: var(--bg-light);
    border-radius: 10px;
    color: var(--text-light);
    border: 2px dashed var(--primary-purple-light);
}

/* ===== 加入我们 ===== */
.careers-contact {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.careers-contact a {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.careers-contact a:hover {
    color: var(--accent-pink);
}

.careers-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.career-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-purple);
}

.career-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--accent-pink);
}

/* ===== 新闻中心 ===== */
.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-purple);
}

.news-item:last-child {
    margin-bottom: 0;
}

.news-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-pink);
}

.news-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.news-date {
    color: var(--primary-purple);
    font-weight: 600;
}

/* ===== 联系我们 ===== */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.contact-info p {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.contact-info a {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--accent-pink);
}

.contact-address {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--bg-light);
}

.contact-address p {
    margin-bottom: 0.5rem;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

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

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid,
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

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

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

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

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-glow {
        width: 400px;
        height: 400px;
    }

    .shape {
        filter: blur(30px);
    }

    .shape-1,
    .shape-2,
    .shape-3,
    .shape-4,
    .shape-5 {
        width: 200px;
        height: 200px;
    }

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

    .section {
        padding: 60px 0;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid,
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

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

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

    .hero-glow {
        width: 300px;
        height: 300px;
    }

    .particle {
        width: 3px;
        height: 3px;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .advantage-card,
    .product-card,
    .business-card,
    .team-card {
        padding: 1.5rem 1.2rem;
    }
    
    .value-card {
        padding: 1.5rem 1.2rem;
    }
}

/* ===== 滚动动画 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}