/* 全局样式 */
:root {
    --primary-color: #4A90E2;
    --secondary-color: #2B5BA1;
    --accent-color: #FFB6B6;
    --text-color: #333333;
    --light-text: #666666;
    --dark-color: #1A1A1A;
    --light-bg: #F5F7FA;
    --border-color: #E5E5E5;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-hover: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
    --logo-gradient: linear-gradient(135deg, #00bcd4, #3949ab);
    --logo-shadow: 0 0 10px rgba(0, 188, 212, 0.3);
}

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    opacity: 0;
    transition: opacity 0.5s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.loaded {
    opacity: 1;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 主要内容区域 */
main {
    flex: 1;
    width: 100%;
    margin-top: 70px;
}

/* 页面头部样式 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 0;
    text-align: center;
    margin-bottom: 60px;
    width: 100%;
}

.page-header h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

.page-header p {
    font-size: 1.2em;
    opacity: 0.9;
}

/* 服务网格样式 */
.services-grid {
    padding: 80px 0;
    background-color: var(--light-bg);
    width: 100%;
}

.services-grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.service-item {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 32px;
    color: white;
}

.service-item h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
}

.service-features {
    list-style: none;
    margin: 20px 0;
    text-align: left;
    padding-left: 20px;
}

.service-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.service-features i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 价格方案样式 */
.pricing {
    padding: 80px 0;
    background-color: var(--light-bg);
    width: 100%;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-item {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease;
}

.pricing-item.featured {
    transform: scale(1.05);
    border: 2px solid var(--primary-color);
}

.pricing-item:hover {
    transform: translateY(-5px);
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 1.5em;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.price {
    font-size: 2.5em;
    color: var(--primary-color);
}

.price .period {
    font-size: 0.4em;
    color: var(--light-text);
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
}

.pricing-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-features i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 关于我们页面样式 */
.about-story {
    padding: 80px 0;
    width: 100%;
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.story-text h2 {
    margin-bottom: 30px;
    color: var(--dark-color);
}

.story-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.story-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.story-image:hover img {
    transform: scale(1.05);
}

.our-values {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.value-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon i {
    font-size: 24px;
    color: white;
}

.value-item h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* 团队样式 */
.team {
    padding: 80px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.team-member {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.member-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-member:hover .member-image img {
    transform: scale(1.05);
}

.member-info {
    padding: 20px;
}

.member-info h3 {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.position {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.bio {
    color: var(--light-text);
    font-size: 0.9em;
}

/* 联系我们页面样式 */
.contact-info {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.contact-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 24px;
    color: white;
}

.contact-item h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.contact-item p {
    color: var(--text-color);
    margin-bottom: 5px;
}

.contact-form {
    padding: 80px 0;
}

.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    color: var(--dark-color);
    margin-bottom: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-color);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.map {
    padding: 80px 0;
    background-color: var(--light-bg);
}

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

.map-wrapper h2 {
    margin-bottom: 40px;
    color: var(--dark-color);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .page-header {
        padding: 60px 0;
    }

    .page-header h1 {
        font-size: 2.5em;
    }

    .services-grid-container,
    .pricing-grid,
    .values-grid,
    .team-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
        padding: 0 20px;
    }

    .story-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .story-image {
        height: 300px;
        margin-top: 30px;
    }

    .pricing-item.featured {
        transform: none;
    }

    .form-wrapper {
        padding: 20px;
    }

    .logo img {
        height: 35px;
    }

    .story-image img {
        margin-top: 2rem;
    }

    .member-image {
        height: 250px;
    }
}

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.8rem 5%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.navbar.scrolled .logo img {
    height: 35px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

.btn-login {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.btn-login:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 8rem 5% 6rem;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/pattern.png');
    background-repeat: repeat;
    background-size: cover;
    opacity: 0.1;
    pointer-events: none;
    z-index: 1;
    animation: patternMove 20s linear infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 0 20px;
}

@keyframes patternMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 200px 200px;
    }
}

/* 确保内容在pattern上层 */
.hero-text, .hero-image, .hero-stats {
    position: relative;
    z-index: 2;
}

.hero-text {
    text-align: left;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    background: linear-gradient(to right, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: titleFadeIn 1s ease-out;
}

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

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.float-element {
    position: absolute;
    animation: float 6s ease-in-out infinite;
}

.float-element.element1 {
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.float-element.element2 {
    bottom: 20%;
    right: -5%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    position: relative;
    z-index: 2;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255,255,255,0.1);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 功能区域样式 */
.features {
    padding: 8rem 5%;
    background: var(--light-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    padding: 2.5rem;
    background: white;
    border-radius: 12px;
    text-align: left;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

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

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

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-item p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: left;
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.feature-link:hover {
    gap: 1rem;
}

/* 展示区域样式 */
.showcase {
    padding: 8rem 5%;
    background: white;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.showcase-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    transform: translateY(100%);
    transition: var(--transition);
}

.showcase-item:hover .showcase-overlay {
    transform: translateY(0);
}

.overlay-content {
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.showcase-item:hover .overlay-content {
    transform: translateY(0);
    opacity: 1;
}

.overlay-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.overlay-content p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.btn-view {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
}

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

/* CTA区域样式 */
.cta {
    padding: 6rem 5%;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 页脚样式 */
footer {
    background: #1A1A1A;
    color: white;
    padding: 4rem 5% 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.footer-logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
    margin-bottom: 1rem;
}

.footer-desc {
    color: #999;
    line-height: 1.6;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: #999;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #999;
}

/* 通知提示样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 5px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
    box-shadow: var(--shadow-md);
}

.notification.success {
    background-color: #4CAF50;
}

.notification.error {
    background-color: #f44336;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* LOGO样式 */
.logo {
    padding: 0.5rem 0;
}

.logo a {
    text-decoration: none;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--primary-color);
    position: relative;
    text-transform: uppercase;
}

.logo-highlight {
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    padding-left: 4px;
    text-shadow: var(--logo-shadow);
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--logo-gradient);
    transform: scaleX(0.7);
    opacity: 0.5;
}