/* 
 * antiguaym.com - 外贸网站SEO优化专家
 * 样式表 - 自适应移动端设计
 */

:root {
    /* 主色调 */
    --primary-color: #3a86ff;
    --primary-dark: #2667cc;
    --secondary-color: #fb5607;
    --secondary-dark: #d44500;
    --text-color: #333333;
    --text-light: #666666;
    --background-light: #f9f9f9;
    --white: #ffffff;
    --border-color: #e0e0e0;
    
    /* 字体 */
    --font-main: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 排版 */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* 按钮 */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

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

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

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* 头部 */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo img {
    margin-right: 10px;
}

.main-nav .nav-links {
    display: flex;
    list-style: none;
}

.main-nav .nav-links li {
    margin-left: 25px;
}

.main-nav .nav-links a {
    color: var(--text-color);
    font-weight: 500;
}

.main-nav .nav-links a:hover {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-color);
    border-radius: 3px;
}

/* 英雄区域 */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

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

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

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

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* 服务部分 */
.services-section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-icon {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.service-card h3 {
    margin-bottom: 15px;
}

/* 优势部分 */
.advantages-section {
    padding: 80px 0;
    background-color: var(--background-light);
}

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

.advantage-card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
    position: relative;
}

.advantage-number {
    color: var(--primary-color);
    font-size: 2.5rem;
    font-weight: 700;
    opacity: 0.15;
    position: absolute;
    top: 10px;
    right: 15px;
}

.advantage-card h3 {
    margin-bottom: 15px;
    position: relative;
}

/* 案例部分 */
.cases-section {
    padding: 80px 0;
}

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

.case-card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.case-image {
    background-color: var(--background-light);
    padding: 30px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    height: 180px;
}

.case-content {
    padding: 25px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.case-tags span {
    background-color: rgba(58, 134, 255, 0.1);
    color: var(--primary-color);
    font-size: 0.8rem;
    padding: 5px 10px;
    border-radius: 20px;
}

/* 关于部分 */
.about-section {
    padding: 80px 0;
    background-color: var(--background-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* 联系部分 */
.contact-section {
    padding: 80px 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.contact-method {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-method svg {
    margin-right: 15px;
    color: var(--primary-color);
}

.contact-info h3 {
    margin-bottom: 25px;
}

/* 页脚 */
.site-footer {
    background-color: #222;
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-about p {
    margin-top: 15px;
}

.footer-logo {
    display: flex;
    align-items: center;
    color: var(--white);
    font-weight: 600;
    font-size: 1.2rem;
}

.footer-logo img {
    margin-right: 10px;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

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

.footer-links li,
.footer-services li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-services a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .main-nav.active .nav-links {
        display: flex;
    }
    
    .main-nav .nav-links li {
        margin: 10px 0;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons a {
        margin-bottom: 10px;
    }
    
    .advantages-container,
    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 1.7rem;
    }
    
    .section-header {
        margin-bottom: 30px;
    }
}