/* 全局变量定义 */
:root {
    --primary-bg: #0a0a14;
    --secondary-bg: #1a1a2e;
    --accent-color: #e63946;
    --accent-color-light: #ff8fa3;
    --text-white: #ffffff;
    --text-gray: #a8a8a8;
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --border-radius: 8px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 基础元素样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
}

a {
    color: var(--text-white);
    text-decoration: none;
    transition: var(--transition);
}

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

/* 容器样式 */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏容器样式 */
#navbar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

body {
    padding-top: 80px;
}

/* 页脚样式 - 与组件中定义保持一致，但确保页面独立时也能正常显示 */
footer {
    background-color: var(--secondary-bg);
    padding: 80px 0 40px;
    position: relative;
}

/* 展厅互动Hero区域 */
.exhibition-hero {
    height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
}

.exhibition-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 70% 30%, rgba(230, 57, 70, 0.15) 0%, transparent 60%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--text-white), var(--accent-color-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-text-content .tagline {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-white);
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-text-content p {
    font-size: 18px;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-white);
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #d62828;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
    color: var(--text-white);
}

.hero-image {
    position: relative;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transform: rotateY(0deg);
    transition: transform 0.6s ease;
}

.hero-image:hover img {
    transform: rotateY(10deg);
}

/* 特性部分 */
.features-section {
    padding: 120px 0;
    background-color: var(--secondary-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 36px;
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    font-size: 18px;
}

.features-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.features-image {
    position: relative;
}

.features-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.features-list {
    display: grid;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-item:hover {
    border-color: var(--accent-color);
    transform: translateX(5px);
}

.feature-icon-lg {
    width: 60px;
    height: 60px;
    background-color: rgba(230, 57, 70, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent-color);
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

/* 产品展示部分 */
#products {
    padding: 120px 0;
    background-color: var(--primary-bg);
}

.exhibition-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.product-card {
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--accent-color);
    color: var(--text-white);
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.product-image {
    height: 250px;
    overflow: hidden;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-content {
    padding: 25px;
}

.product-content h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.product-content p {
    margin-bottom: 20px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-color);
}

.product-link {
    display: flex;
    align-items: center;
    font-weight: 600;
}

.product-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.product-link:hover i {
    transform: translateX(5px);
}

/* 应用场景部分 */
#applications {
    padding: 120px 0;
    background-color: var(--secondary-bg);
}

.applications {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.app-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
}

.app-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.app-image {
    height: 200px;
    overflow: hidden;
}

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

.app-card:hover .app-image img {
    transform: scale(1.1);
}

.app-content {
    padding: 25px;
}

.app-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

/* CTA部分 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 30% 50%, rgba(230, 57, 70, 0.2) 0%, transparent 70%);
    z-index: 0;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.cta-button-light {
    display: inline-block;
    background-color: transparent;
    color: var(--text-white);
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--text-white);
}

.cta-button-light:hover {
    background-color: var(--text-white);
    color: var(--primary-bg);
    transform: translateY(-3px);
}

.cta-button-dark {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-white);
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--accent-color);
}

.cta-button-dark:hover {
    background-color: transparent;
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        order: -1;
        margin-bottom: 40px;
    }

    .features-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .features-image {
        margin-bottom: 50px;
    }

    .feature-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

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

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

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-text-content h1 {
        font-size: 36px;
    }

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

    .exhibition-products {
        grid-template-columns: 1fr;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-button-light, .cta-button-dark {
        width: 100%;
        text-align: center;
    }

    .exhibition-hero {
        height: auto;
        padding: 120px 0 80px;
    }
}

@media (max-width: 576px) {
    .feature-icon-lg {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .cta-content h2 {
        font-size: 30px;
    }
}