/* 全局样式 */
:root {
    --primary-color: #a87c98;
    --secondary-color: #f0e6eb;
    --dark-color: #333333;
    --light-color: #ffffff;
    --accent-color: #d8b4cc;
    --text-color: #4a4a4a;
    --border-color: #e0e0e0;
    --font-family: 'Noto Serif SC', serif, 'Microsoft YaHei', sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fdfbfc;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 15px;
    color: var(--dark-color);
}

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

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
    position: relative;
    color: var(--primary-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background-color: var(--accent-color);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 30px;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* 头部导航样式 */
header {
    padding: 15px 0;
    background-color: var(--light-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

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

.logo img {
    height: 50px;
    width: auto;
}

.tagline {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-top: -5px;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--dark-color);
    font-size: 1rem;
    font-weight: 500;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* 英雄区域 */
.hero {
    height: 70vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/hero-bg.jpg') no-repeat center center/cover;
    color: var(--light-color);
    display: flex;
    align-items: center;
    text-align: center;
    margin-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--light-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: var(--light-color);
}

.about-content {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.about-image {
    flex: 1;
    min-width: 300px;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text p {
    margin-bottom: 15px;
    font-size: 1.05rem;
}

/* 品牌特色 */
.features {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

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

.feature-item {
    background-color: var(--light-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--light-color);
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* 下载区域 */
.download {
    padding: 100px 0;
    background-color: var(--light-color);
    text-align: center;
}

.download-intro {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

.qrcode-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.qrcode-item {
    background-color: var(--light-color);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.qrcode-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.qrcode {
    width: 150px;
    height: 150px;
    margin-bottom: 15px;
    overflow: hidden;
}

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

.qrcode-item p {
    font-weight: 500;
    color: var(--primary-color);
}

/* 页脚 */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo h3 {
    color: var(--light-color);
    font-size: 1.6rem;
    margin-bottom: 10px;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links, .footer-contact {
    margin-bottom: 20px;
}

.footer-links h4, .footer-contact h4 {
    color: var(--light-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

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

.footer-links ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-contact p {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    margin-right: 10px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.social-icons i {
    font-size: 1.2rem;
    color: var(--light-color);
}

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

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a:hover {
    color: var(--accent-color);
}

/* 响应式设计 */
@media (max-width: 991px) {
    .hero-content h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 0;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    nav ul {
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--light-color);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: all 0.3s ease;
    }
    
    nav ul.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    nav ul li {
        margin: 10px 0;
        text-align: center;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .about, .features, .download {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .footer-content > div {
        flex: 100%;
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .qrcode {
        width: 120px;
        height: 120px;
    }
}