/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-alt: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

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

.navbar.scrolled {
    position: fixed;
    background: rgba(255, 255, 255, 0.98);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* 视频Hero区域 */
.hero-video {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    animation: fadeInUp 1.2s ease;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 30px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    opacity: 0.95;
}

.hero-tagline {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 40px;
    letter-spacing: 4px;
    opacity: 0.9;
}

.hero-btn {
    display: inline-block;
    padding: 15px 50px;
    background: var(--gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 公共区块样式 */
section {
    padding: 100px 0;
}

section:not(.hero-video) {
    scroll-margin-top: 80px;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.title-line {
    width: 80px;
    height: 4px;
    background: var(--gradient);
    margin: 0 auto;
    border-radius: 2px;
}

/* 关于我们 */
.about-section {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-text .highlight {
    font-size: 20px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 15px;
}

.about-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

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

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    transition: all 0.3s ease;
}

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

.stat-item h4 {
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-item p {
    color: var(--text-light);
    font-size: 14px;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* 企业文化 */
.culture-section {
    background: var(--bg-light);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.culture-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.culture-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.culture-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.culture-card p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.6;
}

/* 门店展示 */
.gallery-section {
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.gallery-overlay p {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
}

/* 人才发展 */
.talent-section {
    background: var(--bg-light);
}

.talent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.talent-item {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

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

.talent-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.talent-item h4 {
    color: var(--text-dark);
    font-size: 18px;
}

.benefits {
    text-align: center;
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.benefits h3 {
    font-size: 28px;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.benefits-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.benefit-tag {
    background: var(--gradient);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.benefit-tag:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 联系我们 */
.contact-section {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

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

.info-item {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.info-item h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.info-item p {
    color: var(--text-light);
    margin-bottom: 8px;
    line-height: 1.8;
}

.info-item .secondary {
    color: var(--text-light);
    font-size: 14px;
}

.contact-map {
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder {
    width: 100%;
    height: 500px;
    background: var(--gradient);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.map-placeholder p:first-child {
    font-size: 80px;
    margin-bottom: 20px;
}

.map-placeholder p:nth-child(2) {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
}

.map-placeholder .small {
    font-size: 16px;
    opacity: 0.9;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
    line-height: 1.8;
}

.brand-values {
    color: var(--accent-color) !important;
    font-weight: 600;
    font-size: 18px !important;
}

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

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

.footer-section ul a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 5px;
    font-size: 14px;
}

.company-code {
    font-size: 12px !important;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .hero-video {
        height: 70vh;
    }

    .hero-title {
        font-size: 28px;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .hero-tagline {
        font-size: 14px;
        letter-spacing: 2px;
        margin-bottom: 30px;
    }
    
    .hero-btn {
        padding: 12px 35px;
        font-size: 16px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .culture-grid {
        grid-template-columns: 1fr;
    }

    .talent-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr;
    }

    .talent-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .benefits {
        padding: 30px 20px;
    }
}