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

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #2c5aa0;
    font-size: 24px;
    font-weight: 700;
}

.nav-logo .tagline {
    font-size: 12px;
    color: #666;
    display: block;
    margin-top: -5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #2c5aa0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2c5aa0;
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主横幅样式 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #667eea 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particleMove 20s linear infinite;
}

@keyframes particleMove {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-200px); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid rgba(255, 215, 0, 0.4);
    color: #ffd700;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    color: white;
    margin-bottom: 25px;
    line-height: 1.1;
}

.hero-text h1 .highlight {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 30px;
    line-height: 1.6;
    max-width: 90%;
}

.hero-features {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
}

.feature-tag i {
    color: #ffd700;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 20px 15px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 1.2rem;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 2px;
    white-space: nowrap;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    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;
}

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

.btn-primary {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.hero-trust {
    margin-top: 20px;
}

.trust-text {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.trust-logos {
    display: flex;
    gap: 20px;
    align-items: center;
}

.trust-logo {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    font-weight: 500;
}

/* 云生态系统可视化 */
.cloud-ecosystem {
    position: relative;
    width: 500px;
    height: 500px;
    margin: 0 auto;
}

.central-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.hub-core {
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
    animation: hubPulse 3s ease-in-out infinite;
}

.hub-core i {
    font-size: 2rem;
    margin-bottom: 8px;
}

@keyframes hubPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 30px rgba(102, 126, 234, 0.5); }
    50% { transform: scale(1.05); box-shadow: 0 0 40px rgba(102, 126, 234, 0.8); }
}

.provider-node {
    position: absolute;
    width: 80px;
    height: 80px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.provider-node.alibaba {
    top: 15%;
    left: 15%;
    animation: orbit 20s linear infinite;
}

.provider-node.huawei {
    top: 15%;
    right: 15%;
    animation: orbit 20s linear infinite reverse;
    animation-delay: -5s;
}

.provider-node.tencent {
    bottom: 15%;
    left: 15%;
    animation: orbit 20s linear infinite;
    animation-delay: -10s;
}

.provider-node.volcano {
    bottom: 15%;
    right: 15%;
    animation: orbit 20s linear infinite reverse;
    animation-delay: -15s;
}

.provider-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.alibaba .provider-icon { background: linear-gradient(45deg, #ff6900, #fcb900); }
.huawei .provider-icon { background: linear-gradient(45deg, #ff0844, #ffb199); }
.tencent .provider-icon { background: linear-gradient(45deg, #12c2e9, #c471ed); }
.volcano .provider-icon { background: linear-gradient(45deg, #f093fb, #f5576c); }

.provider-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

@keyframes orbit {
    0% { transform: rotate(0deg) translateX(100px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

.provider-node:hover {
    transform: scale(1.1);
}

.provider-node:hover .provider-icon {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.connection-line {
    stroke-dasharray: 5, 5;
    animation: dashMove 3s linear infinite;
}

@keyframes dashMove {
    0% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: 20; }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-element {
    position: absolute;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    animation: floatAround 15s ease-in-out infinite;
    animation-delay: var(--delay);
}

.float-element:nth-child(1) { top: 20%; left: 60%; }
.float-element:nth-child(2) { top: 60%; left: 20%; }
.float-element:nth-child(3) { top: 70%; left: 70%; }
.float-element:nth-child(4) { top: 30%; left: 80%; }

@keyframes floatAround {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-10px) translateX(-15px); }
    75% { transform: translateY(-30px) translateX(5px); }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    z-index: 2;
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    animation: bounce 2s infinite;
}

.hero-scroll-indicator span {
    font-size: 0.85rem;
    font-weight: 500;
}

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

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 20px;
    position: static;
}

.section-header h2::after {
    content: '';
    position: static;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #2c5aa0, #667eea);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 多云服务样式 */
.multicloud-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.cloud-providers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.provider-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.provider-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2c5aa0, #667eea);
}

.provider-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.provider-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.alibaba-icon { background: linear-gradient(135deg, #ff6900, #fcb900); }
.huawei-icon { background: linear-gradient(135deg, #ff0844, #ffb199); }
.tencent-icon { background: linear-gradient(135deg, #12c2e9, #c471ed); }
.volcano-icon { background: linear-gradient(135deg, #f093fb, #f5576c); }

.provider-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 15px;
}

.provider-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-list {
    list-style: none;
    text-align: left;
}

.service-list li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #2c5aa0;
    font-weight: bold;
}

.advantages {
    text-align: center;
}

.advantages h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 40px;
}

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

.advantage-item {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.advantage-item i {
    font-size: 2.5rem;
    color: #2c5aa0;
    margin-bottom: 20px;
}

.advantage-item h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
}/* 
云手机业务样式 */
.cloudphone-section {
    padding: 100px 0;
    background: white;
}

.cloudphone-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.intro-text h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.intro-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.feature-item i {
    font-size: 1.5rem;
    color: #2c5aa0;
    min-width: 30px;
}

.feature-item h4 {
    font-size: 1rem;
    color: #333;
    margin-bottom: 5px;
}

.feature-item p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.intro-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 200px;
    height: 350px;
    background: #333;
    border-radius: 30px;
    padding: 20px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-icons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.app-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.cloud-connection {
    position: absolute;
    top: -50px;
    right: -50px;
    font-size: 3rem;
    color: #2c5aa0;
    animation: float 3s ease-in-out infinite;
}

.use-cases {
    margin-bottom: 80px;
}

.use-cases h3 {
    font-size: 2rem;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-item {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.case-item:hover {
    background: white;
    border-color: #2c5aa0;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(44, 90, 160, 0.1);
}

.case-item i {
    font-size: 2.5rem;
    color: #2c5aa0;
    margin-bottom: 20px;
}

.case-item h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
}

.case-item p {
    color: #666;
    line-height: 1.6;
}

.pricing-plans h3 {
    font-size: 2rem;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.plan-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.plan-card.popular {
    border-color: #2c5aa0;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #2c5aa0;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.plan-header h4 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 20px;
}

.price {
    margin-bottom: 30px;
}

.currency {
    font-size: 1.2rem;
    color: #666;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #2c5aa0;
}

.period {
    font-size: 1rem;
    color: #666;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.plan-features li {
    padding: 10px 0;
    color: #555;
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features i {
    color: #28a745;
    font-size: 0.9rem;
}

.plan-btn {
    width: 100%;
    padding: 15px;
    background: #2c5aa0;
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.plan-btn:hover {
    background: #1e3d6f;
    transform: translateY(-2px);
}

/* 合作伙伴样式 */
.partners-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.partners-intro {
    text-align: center;
    margin-bottom: 60px;
}

.partners-intro h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.partners-intro p {
    color: #666;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.partners-grid {
    display: grid;
    gap: 50px;
    margin-bottom: 80px;
}

.partner-category h4 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.partner-item {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.partner-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.partner-logo.baidu { background: linear-gradient(135deg, #3385ff, #4d94ff); }
.partner-logo.chuanchuan { background: linear-gradient(135deg, #ff6b6b, #ee5a24); }
.partner-logo.tech1 { background: linear-gradient(135deg, #a55eea, #26de81); }
.partner-logo.tech2 { background: linear-gradient(135deg, #fd79a8, #fdcb6e); }
.partner-logo.finance { background: linear-gradient(135deg, #6c5ce7, #a29bfe); }
.partner-logo.education { background: linear-gradient(135deg, #00b894, #00cec9); }
.partner-logo.healthcare { background: linear-gradient(135deg, #e17055, #fdcb6e); }
.partner-logo.retail { background: linear-gradient(135deg, #fd79a8, #e84393); }

.partner-item h5 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 10px;
}

.partner-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

.cooperation-benefits {
    margin-bottom: 60px;
}

.cooperation-benefits h3 {
    font-size: 2rem;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
}

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

.benefit-item {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.benefit-item i {
    font-size: 2.5rem;
    color: #2c5aa0;
    margin-bottom: 20px;
}

.benefit-item h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
}

.benefit-item p {
    color: #666;
    line-height: 1.6;
}

.partnership-cta {
    background: white;
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.partnership-cta h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.partnership-cta p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 关于我们样式 */
.about-section {
    padding: 100px 0;
    background: white;
}

.company-intro {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.intro-text h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.intro-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background: #f8f9fa;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: #2c5aa0;
    color: white;
    transform: translateY(-5px);
}

.stat-card i {
    font-size: 2rem;
    color: #2c5aa0;
    margin-bottom: 15px;
}

.stat-card:hover i {
    color: white;
}

.stat-card h4 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.stat-card:hover h4 {
    color: white;
}

.stat-card p {
    color: #666;
    margin: 0;
}

.stat-card:hover p {
    color: rgba(255, 255, 255, 0.9);
}

.company-values h3 {
    font-size: 2rem;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
}

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

.value-item {
    background: #f8f9fa;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.value-item:hover {
    background: white;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.value-item i {
    font-size: 2.5rem;
    color: #2c5aa0;
    margin-bottom: 20px;
}

.value-item h4 {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 15px;
}

.value-item p {
    color: #666;
    line-height: 1.6;
}

/* 联系我们样式 */
.contact-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.info-item i {
    font-size: 1.5rem;
    color: #2c5aa0;
    margin-top: 5px;
}

.info-item h4 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 5px;
}

.info-item p {
    color: #666;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5aa0;
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 页脚样式 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    padding: 8px 0;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #2c5aa0;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.icp-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-link:hover {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}
/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        padding: 0 20px;
    }
    
    .hero-text h1 {
        font-size: 2.8rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .cloud-ecosystem {
        width: 350px;
        height: 350px;
    }
    
    .hub-core {
        width: 80px;
        height: 80px;
    }
    
    .hub-core i {
        font-size: 1.5rem;
    }
    
    .provider-node {
        width: 60px;
        height: 60px;
    }
    
    .provider-icon {
        width: 60px;
        height: 60px;
        font-size: 1.4rem;
    }
    
    .cloudphone-intro,
    .company-intro,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .company-stats {
        grid-template-columns: 1fr;
    }
    
    .info-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-card.popular {
        transform: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-item {
        padding: 15px 10px;
    }
    
    .trust-logos {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .cloud-ecosystem {
        width: 280px;
        height: 280px;
    }
    
    .floating-elements {
        display: none;
    }
}