@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@300;400;500&display=swap');

/* 新增颜色变量 */
:root {
    --primary-color: #4F46E5;    /* 深邃蓝 */
    --secondary-color: #6366F1; /* 过渡蓝 */
    --accent-color: #818CF8;     /* 亮蓝 */
    --dark-bg: #1E1B4B;          /* 深蓝背景 */
    --light-bg: #F8FAFC;         /* 浅灰背景 */
    --text-primary: #1E293B;     /* 主文本色 */
    --text-secondary: #64748B;   /* 副文本色 */
}

/* General Styles */
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    background: var(--light-bg);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
header {
    background: #ffffff;
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
    color: #222;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 15px;
}

nav a {
    text-decoration: none;
    font-family: 'Oswald', sans-serif;
    font-weight: 400;
    font-size: 1.1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-primary);
    padding: 12px 25px;
    border-radius: 30px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: rgba(79, 70, 229, 0.08);
}

nav a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 3px 15px rgba(79, 70, 229, 0.3);
}

nav a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 60%;
}

/* Hero Section */
.hero {
    background: linear-gradient(
        135deg,
        var(--primary-color) 0%,
        var(--secondary-color) 100%
    );
    color: white;
    padding: 100px 0;
    text-align: center;
    display: flex;
    align-items: center;
    min-height: 600px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
}

.cta-button::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255,255,255,0.2),
        transparent
    );
    transform: rotate(45deg);
    transition: all 0.5s;
}

.cta-button:hover::after {
    left: 150%;
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Services Section */
.services {
    padding: 80px 0;
}

/* Update services heading to match about section */
.services h2 {
    text-align: left; /* Align left instead of center */
    margin: 0 0 40px 0; /* Match about section margin */
    padding-bottom: 15px;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.8rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--dark-bg);
    position: relative;
}

.services h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0; /* Left alignment instead of center */
    transform: none; /* Remove previous centering */
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

/* Add service title height consistency */
.service-card h3 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    color: var(--dark-bg);
    font-size: 1.4rem;
    letter-spacing: 0.8px;
    margin: 0 0 12px;
    padding: 10px 0;
    border-bottom: 2px solid rgba(79, 70, 229, 0.15);
    min-height: auto;
}

/* Update introductory text */
.services .subtitle {
    font-family: 'Oswald', sans-serif;
    font-weight: 300;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
    text-align: left;
    max-width: 100%;
    margin: 0 0 50px 0;
    padding: 0;
    line-height: 1.3;
}

.services .subtitle::before {
    content: none; /* Remove decorative line */
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .services h2 {
        font-size: 2.2rem;
        margin-bottom: 30px;
    }
    
    .service-card h3 {
        min-height: auto;
        font-size: 1.2rem;
    }
    
    .services .subtitle {
        font-size: 1.2rem;
    }
}

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

.service-card {
    background: #f9f9f9;
    padding: 20px; /* Reduced padding */
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    min-height: 340px; /* Reduced from 380px */
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(79, 70, 229, 0.1);
}

.service-image, .case-image, .about-image {
    margin-bottom: 12px; /* Reduced from 15px */
}

.service-image img, .case-image img, .about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: 80px;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

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

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.about-text {
    padding: 15px 0 15px 30px;
}

.about-text h3 {
    font-size: 1.8rem;
    margin: -5px 0 25px;
    position: relative;
    padding-top: 0;
}

.about-text p {
    line-height: 1.7;
    margin: 0 0 20px;
    font-size: 1rem;
}

.about-text h3 {
    color: var(--primary-color);
    margin: 0 0 20px;
    padding-top: 0;
    font-size: 1.8rem;
}

.approach-section {
    grid-column: 1 / -1;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin: 20px 0;
}

.approach-section h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.approach-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.approach-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: rgba(79, 70, 229, 0.05);
    border-radius: 8px;
    margin: 0;
    transition: transform 0.3s ease;
}

.approach-item:hover {
    transform: translateY(-3px);
}

.approach-icon {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    min-width: 30px;
}

.approach-item h4 {
    color: #222;
    margin: 0 0 5px;
    font-size: 1.1rem;
}

.approach-item p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 调整统计模块布局 */
.about-stats {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin: 40px 0;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.stat {
    text-align: center;
    padding: 25px;
    position: relative;
}

.stat:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: rgba(79, 70, 229, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    color: #666;
    font-size: 1rem;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 20px;
    }
    
    .stat:not(:last-child)::after {
        content: none;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        height: 400px;
    }
    
    .about-text {
        padding: 20px 0;
    }
}

/* Case Studies Section */
.case-studies {
    padding: 80px 0;
    padding-bottom: 40px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.case-card {
    min-height: 340px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.case-card h3 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    color: var(--dark-bg);
    font-size: 1.4rem;
    letter-spacing: 0.8px;
    margin: 0 0 12px;
    padding: 10px 0;
    border-bottom: 2px solid rgba(79, 70, 229, 0.15);
}

.case-card p {
    line-height: 1.6;
    color: var(--text-secondary);
    flex: 1;
    padding: 8px 0 0;
    margin: 0;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-top: 40px;
    align-items: start;
}

.contact-info {
    padding: 20px;
}

.contact-details {
    margin-top: 20px;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 400px;
}

.contact-form input,
.contact-form textarea {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    width: 100%;
    box-sizing: border-box;
    resize: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #999;
    font-weight: 400;
}

.contact-form input:focus, 
.contact-form textarea:focus {
    outline: 2px solid var(--accent-color);
    border-color: transparent;
}

.contact-form button {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    align-self: flex-start;
    background: var(--primary-color);
    color: white;
    padding: 12px 40px;
    border-radius: 8px;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 5px;
    display: none;
}

.form-message.success {
    background: #e8f5e9;
    color: #2e7d32;
    display: block;
}

.form-message.error {
    background: #ffebee;
    color: #c62828;
    display: block;
}

/* 修改LOGO尺寸 */
.logo img {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

/* 移动端适配调整 */
@media (max-width: 768px) {
    .logo img {
        height: 45px;
    }
    
    .hero-image img,
    .service-image img,
    .about-image img,
    .case-image img {
        max-height: 300px;
    }
    
    .contact-form {
        min-width: unset;
        width: 100%;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .service-card, .case-card {
        padding: 25px;
    }
}

/* 新增标题区样式 */
.hero-text {
    padding: 50px 0 40px;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-bottom: 1px solid rgba(79, 70, 229, 0.1);
    text-align: center;
}

.hero-text h1 {
    font-size: 2.5rem;
    color: #2d3748; /* 深蓝灰色 */
    margin-bottom: 20px;
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 0 2px 4px rgba(79, 70, 229, 0.1);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
    margin: 25px auto 0;
    padding: 15px 0;
    display: block;
    position: relative;
    color: #444;
    text-align: center;
    max-width: 800px;
    line-height: 1.5;
    animation: subtitleEntrance 1s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

.subtitle::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: #ddd;
    animation: lineExpand 0.8s 0.3s ease-out forwards;
}

@keyframes subtitleEntrance {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lineExpand {
    from { width: 0% }
    to { width: 60px }
}

/* Mobile Adaptation */
@media (max-width: 768px) {
    .subtitle {
        font-size: 1.2rem;
        padding: 10px 20px;
        line-height: 1.4;
    }
}

/* 轮播图样式 */
.carousel {
    position: relative;
    height: 600px;
    overflow: hidden;
    margin-top: -20px;
}

.carousel-container {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    filter: brightness(0.8);
}

.slide-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    text-align: center;
    max-width: 800px;
    padding: 20px;
    background: rgba(0,0,0,0.5);
    border-radius: 10px;
}

.carousel-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
}

.indicators {
    display: flex;
    gap: 10px;
}

.indicators span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicators span.active {
    background: white;
    transform: scale(1.2);
}

.prev, .next {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0 15px;
    transition: transform 0.3s ease;
}

.prev:hover, .next:hover {
    transform: scale(1.2);
}

/* 优化案例图片样式 */
.case-image {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    aspect-ratio: 16/9;
}

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

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

/* 添加响应式处理 */
@media (max-width: 1024px) {
    .case-image {
        aspect-ratio: 3/2;
    }
}

@media (max-width: 768px) {
    .case-image {
        aspect-ratio: 1/1;
    }
}

.about-details {
    margin-top: 30px;
}

.detail-item {
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(79, 70, 229, 0.03);
    border-left: 3px solid var(--primary-color);
}

.detail-item h4 {
    color: #222;
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.detail-item ul {
    padding-left: 20px;
    margin: 10px 0;
}

.detail-item li {
    margin-bottom: 8px;
    color: #666;
}

/* 修改所有主标题样式 */
h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.8rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--dark-bg);
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

/* 在媒体查询中添加响应式样式 */
@media (max-width: 768px) {
    nav ul {
        gap: 10px;
    }
    
    nav a {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

/* 在LOGO样式部分添加文字样式 */
.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo-text {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8rem;
    color: #222;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    top: 2px; /* 微调垂直对齐 */
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.logo-text span {
    color: var(--primary-color); /* 品牌蓝色 */
}

/* 移动端适配 */
@media (max-width: 768px) {
    .logo-text {
        font-size: 1.4rem;
    }
}

/* 加载状态 */
@keyframes pulse {
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* 滚动动画 */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

[data-animate="visible"] {
    opacity: 1;
    transform: translateY(0);
}

/* About Section */
.about-section h2::after,
.case-studies h2::after,
.contact-section h2::after {
    left: 0;
    transform: none;
}

/* Add this to ensure heading alignment consistency */
.about-section h2,
.case-studies h2,
.contact-section h2 {
    text-align: left;
    padding-left: 0;
    margin-left: 0;
}

/* Service Card Content Alignment */
.service-card {
    display: flex;
    flex-direction: column;
    min-height: 340px; /* Reduced from 380px */
}

.service-card p {
    line-height: 1.6;
    padding: 8px 0 0;
    margin: 0;
    flex: 1;
    display: flex;
    align-items: flex-start;
    font-size: 0.98rem;
    color: var(--text-secondary);
}

.service-image {
    height: 160px; /* Reduced from 180px */
    margin-bottom: 12px;
    overflow: hidden;
    border-radius: 8px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Remove Read More */
.read-more {
    display: none !important;
}

/* Image Container Adjustment */
.case-image {
    height: 160px;
    margin-bottom: 12px;
}

.case-image img {
    height: 100%;
    object-fit: cover;
}

/* 在Case Studies和About Us之间增加间隔 */
.case-studies {
    padding-bottom: 40px;
}

.about-section {
    padding-top: 40px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .subtitle {
        font-size: 1rem;
        letter-spacing: 0.5px;
        white-space: normal;
    }
}

/* Products Section */
.products {
    padding: 80px 0;
    background: var(--light-bg);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

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

.product-card h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    color: var(--dark-bg);
    margin: 20px 20px 10px;
    min-height: 50px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

.product-card p {
    color: var(--secondary-text);
    margin: 0 20px 15px;
    line-height: 1.6;
    flex-grow: 1;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 20px 20px;
}

.product-tags span {
    background: var(--light-bg);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        min-height: 350px;
    }
    
    .product-image {
        height: 180px;
    }
}