/* ==================== 全局样式升级版 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 紫金渐变配色 */
    --primary-color: #7c3aed;
    --primary-light: #a78bfa;
    --secondary-color: #5b21b6;
    --accent-color: #f59e0b;
    --accent-gold: #d4af37;
    --accent-gold-light: #f4d03f;
    
    /* 文字颜色 */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    
    /* 背景色 */
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f59e0b 100%);
    --bg-gradient-purple: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    --bg-gradient-gold: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    
    /* 边框颜色 */
    --border-color: #e5e7eb;
    --border-light: rgba(255, 255, 255, 0.2);
    
    /* 阴影升级 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3);
    --shadow-gold: 0 0 30px rgba(212, 175, 55, 0.3);
}

/* 深色模式变量 */
@media (prefers-color-scheme: dark) {
    :root {
        --text-dark: #f3f4f6;
        --text-light: #d1d5db;
        --bg-light: #1f2937;
        --bg-white: #111827;
        --border-color: #374151;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    background: var(--bg-white);
}

html {
    scroll-behavior: smooth;
}

/* 页面加载动画 */
body.loaded {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.section {
    padding: 100px 0;
    position: relative;
}

.section:nth-child(even) {
    background-color: var(--bg-light);
}

/* 添加动态背景粒子效果 */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.section:nth-child(odd)::before {
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%);
}

.section:nth-child(even)::before {
    background-image: 
        radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
}

.section > .container {
    position: relative;
    z-index: 1;
}

/* 滚动显示动画 */
.section.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.section.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    display: inline-block;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--bg-gradient);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-top: 20px;
}

/* ==================== 导航栏升级 ==================== */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand h1 {
    font-size: 1.75rem;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--bg-gradient);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
    z-index: -1;
}

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

.nav-menu a:hover::before {
    width: 200%;
    height: 200%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    padding: 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.hamburger span {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ==================== Hero 区域升级 ==================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-gradient);
    z-index: -2;
    animation: gradientShift 15s ease infinite;
    background-size: 400% 400%;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 动态粒子效果 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float 20s infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; width: 15px; height: 15px; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; width: 8px; height: 8px; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; width: 12px; height: 12px; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; width: 6px; height: 6px; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; width: 18px; height: 18px; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; width: 10px; height: 10px; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; width: 14px; height: 14px; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; width: 9px; height: 9px; }
.particle:nth-child(9) { left: 90%; animation-delay: 16s; width: 11px; height: 11px; }

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

/* 几何装饰元素 */
.hero-geometry {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.geometry-circle {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.geometry-circle:nth-child(1) {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    animation-duration: 40s;
}

.geometry-circle:nth-child(2) {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
    animation-duration: 50s;
    animation-direction: reverse;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 50%, rgba(0, 0, 0, 0.3) 100%);
    z-index: -1;
}

.hero-content {
    z-index: 1;
    padding: 0 20px;
}

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 25px;
    animation: fadeInUp 1s ease;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 2.5rem;
    margin-bottom: 25px;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.2s backwards;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.375rem;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.4s backwards;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== 按钮样式升级 ==================== */
.btn {
    display: inline-block;
    padding: 18px 45px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: -1;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--bg-gradient-gold);
    color: white;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: white;
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* 按钮发光效果 */
.btn-primary:hover {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
    }
    to {
        box-shadow: 0 0 30px rgba(212, 175, 55, 0.6);
    }
}

/* ==================== 关于我们升级 ==================== */
.about-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 70px;
    font-size: 1.25rem;
    line-height: 1.9;
    color: var(--text-light);
}

.brand-meaning {
    margin-bottom: 100px;
}

.brand-meaning h3 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 50px;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.meaning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
}

.meaning-item {
    text-align: center;
    position: relative;
}

.meaning-icon {
    width: 140px;
    height: 140px;
    margin: 0 auto 25px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: white;
    font-weight: 800;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all 0.4s ease;
}

.meaning-item:hover .meaning-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-glow);
}

.meaning-icon::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: var(--bg-gradient);
    opacity: 0.3;
    filter: blur(15px);
    z-index: -1;
}

.meaning-item h4 {
    font-size: 1.75rem;
    margin-bottom: 12px;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.meaning-item p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
}

.companies {
    margin-top: 100px;
}

.companies h3 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 10px;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.companies > p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 50px;
    font-size: 1.2rem;
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 35px;
}

.company-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.company-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.company-card:hover::before {
    opacity: 0.05;
}

.company-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
    transition: transform 0.4s ease;
}

.company-card:hover .company-icon {
    transform: scale(1.2);
}

.company-card h4 {
    margin-bottom: 12px;
    color: var(--text-dark);
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.company-card p {
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

/* ==================== 三维赋能体系升级 ==================== */
.empowerment-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 70px;
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.8;
}

.dimension-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 45px;
}

.dimension-card {
    background: var(--bg-white);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid var(--border-color);
}

.dimension-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 25px;
    padding: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -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 ease;
}

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

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

.dimension-header {
    background: var(--bg-gradient-purple);
    color: white;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.dimension-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.dimension-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.dimension-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.course-list {
    list-style: none;
    padding: 35px;
}

.course-list li {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.course-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.course-list strong {
    display: block;
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.value {
    display: inline-block;
    background: var(--bg-gradient-gold);
    color: white;
    padding: 6px 18px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

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

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

/* ==================== 业务板块升级 ==================== */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 45px;
}

.business-card {
    background: var(--bg-white);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
}

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

.business-card.featured {
    border: 3px solid var(--accent-gold);
    box-shadow: var(--shadow-xl), var(--shadow-gold);
}

.business-badge {
    position: absolute;
    top: 25px;
    right: 25px;
    background: var(--bg-gradient-gold);
    color: white;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.4);
    animation: float 3s ease-in-out infinite;
    z-index: 10;
}

.business-header {
    background: var(--bg-gradient);
    color: white;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.business-header::before {
    content: '';
    position: absolute;
    bottom: -50%;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.business-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.business-header h3 {
    font-size: 2rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.business-body {
    padding: 40px 35px;
}

.business-item {
    margin-bottom: 35px;
    padding-bottom: 35px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.business-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.business-item h4 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 700;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.business-item p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 18px;
    font-size: 1.05rem;
}

.features {
    list-style: none;
    margin-bottom: 20px;
}

.features li {
    color: var(--text-light);
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

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

.highlight {
    display: inline-block;
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #166534;
    padding: 10px 18px;
    border-radius: 10px;
    font-weight: 600;
    margin-right: 10px;
    margin-bottom: 10px;
    box-shadow: 0 4px 15px rgba(22, 101, 52, 0.1);
}

.feature {
    display: inline-block;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    padding: 6px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-right: 8px;
    margin-bottom: 8px;
    font-weight: 500;
}

.note {
    display: block;
    color: var(--text-light);
    font-style: italic;
    margin-top: 12px;
    font-size: 0.95rem;
}

/* ==================== 共创伙伴升级 ==================== */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 45px;
}

.partner-card {
    background: var(--bg-white);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
}

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

.partner-card.featured {
    border: 3px solid var(--accent-gold);
    transform: scale(1.03);
    box-shadow: var(--shadow-xl), var(--shadow-gold);
}

.partner-card.featured:hover {
    transform: scale(1.03) translateY(-10px);
}

.partner-badge {
    position: absolute;
    top: 25px;
    right: 25px;
    background: var(--bg-gradient-gold);
    color: white;
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.4);
    z-index: 10;
}

.partner-header {
    background: var(--bg-gradient);
    color: white;
    padding: 50px 35px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.partner-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.partner-header h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.partner-price {
    font-size: 3.5rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.partner-body {
    padding: 40px 35px;
}

.benefits {
    list-style: none;
}

.benefits li {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-dark);
    font-size: 1.05rem;
    line-height: 1.6;
}

.benefits li:last-child {
    border-bottom: none;
}

.benefits li strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* ==================== 2026目标升级 ==================== */
.goals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 45px;
}

.goal-card {
    background: var(--bg-white);
    padding: 50px 40px;
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.goal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--bg-gradient);
}

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

.goal-icon {
    font-size: 5rem;
    margin-bottom: 25px;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.goal-card h3 {
    font-size: 2rem;
    margin-bottom: 35px;
    color: var(--text-dark);
    font-weight: 700;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.goal-item {
    margin-bottom: 35px;
    padding: 25px;
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(124, 58, 237, 0.05) 100%);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

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

.goal-item h4 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-weight: 700;
}

.goal-item p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.goal-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat .number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat .label {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-top: 5px;
    display: block;
}

.goal-highlight {
    margin-top: 35px;
    padding: 35px;
    background: var(--bg-gradient);
    border-radius: 15px;
    color: white;
    box-shadow: 0 15px 35px rgba(124, 58, 237, 0.3);
}

.goal-highlight .number {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.goal-highlight .label {
    font-size: 1.25rem;
    opacity: 0.95;
}

/* ==================== 使命愿景升级 ==================== */
.mission-vision {
    background: var(--bg-gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.mission-vision::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,200 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
    animation: waveMove 20s linear infinite;
}

@keyframes waveMove {
    0% { background-position: 0 0; }
    100% { background-position: -1200px 0; }
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 70px;
    position: relative;
    z-index: 1;
}

.mv-card {
    text-align: center;
    padding: 50px 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
}

.mv-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.mv-icon {
    font-size: 5rem;
    margin-bottom: 25px;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

.mv-card h3 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.mv-card > p {
    font-size: 1.75rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.mv-detail {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.9;
}

/* ==================== 联系我们升级 ==================== */
.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 70px;
}

.contact-info h3,
.contact-cta h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 35px;
    font-size: 1.15rem;
    line-height: 1.8;
}

.contact-list {
    list-style: none;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    margin-bottom: 30px;
    padding: 25px;
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(124, 58, 237, 0.05) 100%);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-list li:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-list strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 700;
}

.contact-list p {
    color: var(--text-light);
    font-size: 1.05rem;
}

.contact-cta > p {
    color: var(--text-light);
    margin-bottom: 35px;
    font-size: 1.15rem;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* ==================== 页脚升级 ==================== */
.footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: white;
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--bg-gradient);
}

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

.footer-brand h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.footer-brand p {
    opacity: 0.8;
    font-size: 1.1rem;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 25px;
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-gold);
    border-radius: 2px;
}

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

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

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: inline-block;
}

.footer-links a:hover {
    opacity: 1;
    transform: translateX(5px);
    color: var(--accent-gold);
}

.footer-contact p {
    opacity: 0.8;
    margin-bottom: 12px;
    font-size: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.95rem;
}

/* ==================== 回到顶部按钮升级 ==================== */
.back-to-top {
    position: fixed;
    bottom: 35px;
    right: 35px;
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.75rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-10px) scale(1.1);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    animation: rotateBtn 0.5s ease;
}

@keyframes rotateBtn {
    0% { transform: translateY(-10px) scale(1.1) rotate(0deg); }
    100% { transform: translateY(-10px) scale(1.1) rotate(360deg); }
}

/* ==================== 模态框升级 ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-white);
    padding: 50px;
    border-radius: 25px;
    max-width: 550px;
    width: 90%;
    position: relative;
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
}

@keyframes slideIn {
    from {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.close {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.close:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.modal-content h2 {
    margin-bottom: 25px;
    color: var(--text-dark);
    font-size: 2rem;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.modal-content p {
    margin-bottom: 18px;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
}

.modal-info {
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(124, 58, 237, 0.05) 100%);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.modal-info p {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.modal-info strong {
    color: var(--text-dark);
    font-weight: 700;
}

/* ==================== 响应式设计升级 ==================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 75px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.4s ease;
        box-shadow: var(--shadow-lg);
        padding: 30px 20px;
        gap: 15px;
    }

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

    .hamburger {
        display: flex;
    }

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

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

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

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

    .hero-subtitle {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 2.25rem;
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }

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

    .back-to-top {
        bottom: 25px;
        right: 25px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .partner-card.featured {
        transform: none;
    }
    
    .partner-card.featured:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 480px) {
    .section {
        padding: 60px 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding: 15px 30px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .company-grid,
    .dimension-grid,
    .business-grid,
    .partners-grid,
    .goals-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ==================== 打印样式 ==================== */
@media print {
    .navbar,
    .hero,
    .back-to-top,
    .modal,
    .footer {
        display: none;
    }
    
    .section {
        padding: 30px 0;
    }
}

/* ==================== 深色模式支持 ==================== */
@media (prefers-color-scheme: dark) {
    .navbar {
        background-color: rgba(17, 24, 39, 0.95);
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu a {
        color: #f3f4f6;
    }
    
    .company-card,
    .dimension-card,
    .business-card,
    .partner-card,
    .goal-card {
        background: rgba(31, 41, 55, 0.8);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .modal-content {
        background: rgba(31, 41, 55, 0.95);
    }
}

/* ==================== 滚动条样式 ==================== */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-gradient);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* ==================== 选择文本样式 ==================== */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* ==================== 焦点状态 ==================== */
a:focus,
button:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* ==================== 禁用选择 ==================== */
.no-select {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}