/* 一次性交易大师官网样式表 */

/* CSS变量定义 - 主题色彩 */
:root {
    --primary-color: #7c5c5e;
    --secondary-color: #19141d;
    --accent-color: #6a9e84;
    --light-color: #e1cab8;
    --white: #ffffff;
    --dark: #000000;
    --gray-light: #f8f9fa;
    --gray-medium: #6c757d;
    --gray-dark: #343a40;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--light-color));
    
    /* 阴影 */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    /* 字体 */
    --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 过渡效果 */
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--secondary-color);
    overflow-x: hidden;
}

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

/* 通用样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.section-title i {
    color: var(--accent-color);
    font-size: 2rem;
}

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

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(25, 20, 29, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
    gap: 10px;
    transition: var(--transition);
}

.nav-logo:hover {
    color: var(--accent-color);
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover {
    color: var(--accent-color);
    background: rgba(106, 158, 132, 0.1);
}

.nav-link i {
    font-size: 0.9rem;
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 英雄区 */
.hero {
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 100px 0 60px;
    min-height: 500px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.05"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.03"/><circle cx="10" cy="50" r="1" fill="white" opacity="0.03"/><circle cx="90" cy="30" r="1" fill="white" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

/* 英雄区头部 */
.hero-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.title-section {
    flex: 1;
    min-width: 300px;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    background: var(--gradient-accent);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--light-color);
    opacity: 0.9;
}

.version-section {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.version-badge {
    background: var(--gradient-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-light);
}

.version-text {
    font-size: 1rem;
    font-weight: 700;
}

.release-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 游戏描述 */
.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    max-width: 900px;
}

/* 特色标签 */
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.tag-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    white-space: nowrap;
}

.tag-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.tag-item i {
    color: var(--accent-color);
    font-size: 0.8rem;
}

/* 下载区域 */
.hero-download {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
}

.download-main {
    flex-shrink: 0;
}

.download-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 15px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
    min-width: 160px;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.download-btn i {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}

.btn-text {
    font-size: 1.1rem;
    font-weight: 700;
}

.btn-version {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 0.2rem;
}

.download-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    flex: 1;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    opacity: 0.8;
    white-space: nowrap;
}

.detail-item i {
    color: var(--accent-color);
    font-size: 1rem;
}

/* 新闻动态区 */
.news {
    padding: 80px 0;
    background: var(--gray-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(124, 92, 94, 0.1);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.news-date {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.news-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.news-content {
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: var(--gray-medium);
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.news-link:hover {
    color: var(--primary-color);
}

/* 游戏特色区 */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid rgba(124, 92, 94, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-description {
    line-height: 1.7;
    color: var(--gray-medium);
}

/* 游戏截图画廊 */
.gallery {
    padding: 80px 0;
    background: var(--gray-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(25, 20, 29, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    font-size: 2rem;
    color: var(--white);
}

/* 图片模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    display: block;
    margin: auto;
    max-width: 90%;
    max-height: 90%;
    margin-top: 5%;
    border-radius: 10px;
}

.close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--accent-color);
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    font-size: 2rem;
    padding: 1rem;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 用户评价区 */
.reviews {
    padding: 80px 0;
    background: var(--white);
}

.reviews-stats {
    text-align: center;
    margin-bottom: 3rem;
}

.rating-overview {
    margin-bottom: 2rem;
}

.rating-score {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.rating-stars {
    font-size: 1.5rem;
    color: #ffd700;
    margin-bottom: 0.5rem;
}

.rating-text {
    color: var(--gray-medium);
}

.user-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
}

.reviews-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.review-card {
    background: var(--gray-light);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 1rem;
    display: none;
    transition: var(--transition);
}

.review-card.active {
    display: block;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.reviewer-name {
    font-weight: 600;
    color: var(--primary-color);
}

.review-rating {
    color: #ffd700;
}

.review-text {
    line-height: 1.7;
    margin-bottom: 1rem;
    font-style: italic;
    color: var(--gray-medium);
}

.review-date {
    font-size: 0.9rem;
    color: var(--gray-medium);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-medium);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary-color);
}

/* 版本历史区 */
.versions {
    padding: 80px 0;
    background: var(--gray-light);
}

.versions-list {
    max-width: 900px;
    margin: 0 auto;
}

.version-item {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
    border-left: 5px solid var(--accent-color);
    position: relative;
}

.version-item.latest {
    border-left-color: var(--primary-color);
}

.version-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.version-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.version-date {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.version-details h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.version-details ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.version-details li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(124, 92, 94, 0.1);
}

.version-details li:last-child {
    border-bottom: none;
}

.version-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.file-size,
.platforms {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.platforms i {
    color: var(--accent-color);
}

/* 常见问题区 */
.faq {
    padding: 80px 0;
    background: var(--white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(124, 92, 94, 0.1);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-light);
}

.faq-question {
    padding: 1.5rem;
    background: var(--gray-light);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(124, 92, 94, 0.05);
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.faq-question i {
    color: var(--accent-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--white);
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    line-height: 1.7;
    color: var(--gray-medium);
}

/* 页脚 */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--light-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.footer-links i {
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-info p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-note {
    font-size: 0.9rem;
    opacity: 0.6;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
    z-index: 1000;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.back-to-top.visible {
    display: flex;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--secondary-color);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 2rem 0;
        box-shadow: var(--shadow-medium);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    /* 英雄区移动端 */
    .hero {
        padding: 90px 0 50px;
        min-height: 450px;
    }

    .hero-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .title-section {
        min-width: auto;
        width: 100%;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .version-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
        width: 100%;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.5;
    }

    .hero-tags {
        gap: 0.6rem;
    }

    .tag-item {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .hero-download {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .download-details {
        gap: 1rem;
        justify-content: flex-start;
    }

    .detail-item {
        font-size: 0.85rem;
    }

    .section-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
    }

    .section-title i {
        font-size: 1.5rem;
    }

    .news-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .gallery-item img {
        height: 200px;
    }

    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .version-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .review-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .user-tags {
        gap: 0.5rem;
    }

    .tag {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .modal-content {
        max-width: 95%;
        margin-top: 10%;
    }

    .nav-btn {
        font-size: 1.5rem;
        padding: 0.8rem;
    }

    .close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 80px 0 40px;
        min-height: 400px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .version-badge {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .release-info {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }

    .hero-tags {
        gap: 0.5rem;
    }

    .tag-item {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }

    .download-btn {
        padding: 0.8rem 1.5rem;
        min-width: 140px;
    }

    .btn-text {
        font-size: 1rem;
    }

    .download-details {
        gap: 0.8rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .news-card,
    .feature-card {
        padding: 1.5rem;
    }

    .version-item {
        padding: 1.5rem;
    }

    .faq-question,
    .faq-answer {
        padding: 1rem;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* 选择文本样式 */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

/* 焦点样式 */
a:focus,
button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* 图片优化 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 打印样式 */
@media print {
    .header,
    .back-to-top,
    .modal {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        background: none !important;
        color: var(--dark) !important;
    }
}