/* --- 景昇株式会社 - 现代极简风格 (iOS 26 Style) --- */
/* 设计理念：年轻、现代、极简、清爽 */

:root {
    /* 主色系 - 清爽蓝绿色（现代、年轻） */
    --primary-color: #0A84FF;
    --primary-dark: #0071E3;
    --primary-light: #5AC8FA;
    --primary-bg: rgba(10, 132, 255, 0.08);
    
    /* 辅助色 - 温暖橙色（活力、创新） */
    --accent-color: #FF9500;
    --accent-light: #FFCC00;
    --accent-bg: rgba(255, 149, 0, 0.08);
    
    /* 成功色 - 清新绿色 */
    --success-color: #34C759;
    
    /* 文字色 - 简洁灰度 */
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #AEAEB2;
    
    /* 背景色 - 纯净白灰 */
    --bg-white: #FFFFFF;
    --bg-light: #F5F5F7;
    --bg-gray: #E8E8ED;
    --bg-card: rgba(255, 255, 255, 0.8);
    
    /* 边框与阴影 - 柔和细腻 */
    --border-color: rgba(0, 0, 0, 0.04);
    --border-light: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
    
    /* 圆角 - iOS风格大圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* 过渡动画 - 流畅自然 */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- 全局重置 --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.5;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul { list-style: none; }

img { 
    width: 100%; 
    display: block; 
    object-fit: cover;
}

/* --- 通用组件 --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.section-padding { 
    padding: 80px 0; 
}

@media (max-width: 768px) {
    .section-padding { padding: 60px 0; }
}

.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    font-size: 32px;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section-title p {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 500;
}

@media (max-width: 768px) {
    .section-title h2 { font-size: 24px; }
    .section-title { margin-bottom: 32px; }
}

/* --- 按钮样式 --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    background: var(--primary-color);
    color: var(--bg-white);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    letter-spacing: -0.2px;
}

.btn:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}

.btn:active {
    transform: scale(0.98);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

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

.btn-accent:hover {
    background: #E68600;
}

.text-center { text-align: center; }

/* --- Header导航 --- */
header {
    background: var(--bg-card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 64px;
    display: flex;
    align-items: center;
    width: 100%;
    border-bottom: 1px solid var(--border-light);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    height: 36px;
    width: auto;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.pc-nav {
    display: none;
    align-items: center;
    gap: 32px;
}

@media (min-width: 992px) {
    .pc-nav { display: flex; }
}

.pc-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    position: relative;
    padding: 8px 0;
    letter-spacing: -0.2px;
}

.pc-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.pc-nav a:hover::after,
.pc-nav a.active::after {
    width: 100%;
}

.pc-nav a:hover,
.pc-nav a.active {
    color: var(--primary-color);
}

/* --- 语言切换器 --- */
.lang-switcher {
    position: relative;
    margin-left: 24px;
    padding-left: 24px;
    border-left: 1px solid var(--border-light);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.lang-btn:hover {
    background: var(--bg-gray);
}

.lang-btn i {
    font-size: 12px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.lang-btn.active i.fa-chevron-down {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: var(--bg-card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.95);
    transition: var(--transition);
    z-index: 1001;
    overflow: hidden;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition-fast);
    font-weight: 500;
}

.lang-dropdown a:hover {
    background: var(--primary-bg);
}

.lang-dropdown a.active {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* --- 移动端菜单 --- */
.mobile-menu-trigger {
    font-size: 22px;
    color: var(--text-primary);
    padding: 10px;
    cursor: pointer;
    z-index: 1002;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.mobile-menu-trigger:hover {
    background: var(--bg-gray);
}

@media (min-width: 992px) {
    .mobile-menu-trigger { display: none !important; }
}

.mobile-dropdown {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    box-shadow: var(--shadow-lg);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    padding: 16px 0 24px;
    border-bottom: 1px solid var(--border-light);
}

.mobile-dropdown.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

.mobile-dropdown a {
    display: block;
    padding: 14px 24px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: -0.3px;
    transition: var(--transition-fast);
}

.mobile-dropdown a:hover,
.mobile-dropdown a.active {
    color: var(--primary-color);
    background: var(--primary-bg);
}

.mobile-lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    margin-top: 8px;
}

.mobile-lang-switcher span {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.mobile-lang-switcher a {
    padding: 8px 16px !important;
    border-radius: var(--radius-full);
    background: var(--bg-light);
    font-size: 14px !important;
}

.mobile-lang-switcher a.active {
    background: var(--primary-color);
    color: var(--bg-white) !important;
}

/* --- 轮播图Banner --- */
.banner-carousel {
    position: relative;
    height: 480px;
    width: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

@media (min-width: 768px) {
    .banner-carousel { height: 600px; }
}

@media (max-width: 576px) {
    .banner-carousel { height: 360px; }
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

.carousel-slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.4) 100%);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    color: var(--bg-white);
    padding: 0 24px;
    max-width: 800px;
}

.banner-title {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -1px;
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 15px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: inline-block;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 24px;
    font-weight: 500;
}

.banner-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    background: var(--bg-white);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

.banner-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
    .banner-title { 
        font-size: 48px; 
        margin-bottom: 20px;
        letter-spacing: -1.5px;
    }
    .banner-subtitle { 
        font-size: 16px; 
        padding: 12px 28px;
    }
}

.carousel-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--bg-white);
    width: 24px;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--bg-white);
    font-size: 18px;
    cursor: pointer;
    z-index: 3;
    transition: var(--transition);
    display: none;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .carousel-arrow { display: flex; }
}

.carousel-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev { left: 24px; }
.carousel-next { right: 24px; }

/* --- 页面标题 --- */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--bg-white);
    padding: 80px 0;
    text-align: center;
    position: relative;
}

@media (max-width: 768px) {
    .page-header { padding: 60px 0; }
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: -1px;
}

.page-header p {
    font-size: 14px;
    opacity: 0.9;
    letter-spacing: 2px;
    font-weight: 500;
}

@media (min-width: 768px) {
    .page-header h1 { font-size: 44px; }
}

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

.about-flex {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .about-flex {
        flex-direction: row;
        align-items: center;
        gap: 60px;
    }
    .about-img, .about-text { flex: 1; }
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.about-text p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.about-img img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* --- 核心业务/解决方案 --- */
.solutions-section {
    background: var(--bg-light);
}

.solutions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 576px) {
    .solutions-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .solutions-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
}

.solution-card {
    background: var(--bg-card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    display: block;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition-spring);
}

.solution-icon i {
    font-size: 28px;
    color: var(--bg-white);
}

.solution-card:hover .solution-icon {
    transform: scale(1.1);
}

.solution-card h4 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.3px;
}

.solution-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

.solution-link {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.solution-link i {
    transition: var(--transition-fast);
}

.solution-card:hover .solution-link i {
    transform: translateX(4px);
}

/* --- 解决方案列表页样式 --- */
.solutions-grid-full {
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .solutions-grid-full { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

@media (min-width: 992px) {
    .solutions-grid-full { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

.solution-card-full {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

@media (min-width: 768px) {
    .solution-card-full { flex-direction: row; }
}

.solution-card-full:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.solution-card-img {
    flex-shrink: 0;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .solution-card-img { width: 280px; height: auto; min-height: 240px; }
}

@media (min-width: 992px) {
    .solution-card-img { width: 320px; }
}

.solution-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.solution-card-full:hover .solution-card-img img {
    transform: scale(1.08);
}

.solution-card-content {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .solution-card-content { padding: 32px; }
}

.solution-icon-small {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.solution-icon-small i {
    font-size: 20px;
    color: var(--bg-white);
}

.solution-card-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.3px;
}

@media (min-width: 768px) {
    .solution-card-content h3 { font-size: 22px; }
}

.solution-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-bg);
    color: var(--primary-color);
    font-size: 12px;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
    font-weight: 500;
}

.solution-card-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

@media (min-width: 768px) {
    .solution-card-content p { font-size: 16px; }
}

/* --- 公司优势 --- */
.advantages-section {
    background: var(--bg-white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 576px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .advantages-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }
}

.advantage-card {
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.advantage-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    border-color: var(--border-light);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    transition: var(--transition);
}

.advantage-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.advantage-card:hover .advantage-icon {
    background: var(--primary-color);
}

.advantage-card:hover .advantage-icon i {
    color: var(--bg-white);
}

.advantage-card h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* --- 服务项目/产品 --- */
.products-section {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 576px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .products-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-img {
    position: relative;
    height: 180px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .product-img { height: 200px; }
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.08);
}

.product-category {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 14px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-size: 12px;
    border-radius: var(--radius-full);
    font-weight: 500;
    border: 1px solid var(--border-light);
}

.product-info {
    padding: 20px;
}

.product-info h4 {
    font-size: 17px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.3px;
}

.product-info p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-link {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* --- 荣誉资质 --- */
.honors-section {
    background: var(--bg-white);
}

.honors-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.honor-item {
    text-align: center;
}

.honor-img {
    width: 140px;
    height: 180px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 12px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.honor-item:hover .honor-img {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.honor-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.honor-item p {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* --- 新闻中心 --- */
.news-section {
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 768px) {
    .news-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}

.news-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: block;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.news-img {
    height: 160px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .news-img { height: 180px; }
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.news-card:hover .news-img img {
    transform: scale(1.08);
}

.news-content {
    padding: 20px;
}

.news-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-bg);
    color: var(--primary-color);
    font-size: 12px;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
    font-weight: 500;
}

.news-content h4 {
    font-size: 17px;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.4;
    font-weight: 600;
    letter-spacing: -0.3px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.news-date {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* --- 新闻列表页 --- */
.news-list-full {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item-full {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

@media (min-width: 768px) {
    .news-item-full { flex-direction: row; }
}

.news-item-full:hover {
    box-shadow: var(--shadow-lg);
}

.news-item-img {
    flex-shrink: 0;
    width: 100%;
    height: 200px;
}

@media (min-width: 768px) {
    .news-item-img { width: 280px; height: auto; }
}

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

.news-item-content {
    flex: 1;
    padding: 24px;
}

.news-item-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.news-item-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.news-meta {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* --- 搜索 --- */
.search-section {
    background: var(--bg-white);
    padding: 32px 0;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media (min-width: 768px) {
    .search-form {
        flex-direction: row;
        align-items: center;
        gap: 16px;
    }
}

.search-box {
    flex: 1;
    display: flex;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-bg);
}

.search-input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    font-size: 15px;
    background: transparent;
    color: var(--text-primary);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-btn {
    padding: 14px 24px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-full);
}

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

.filter-select {
    padding: 14px 20px;
    border: 1px solid var(--border-light);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: 14px;
    min-width: 160px;
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

.filter-select:focus {
    border-color: var(--primary-color);
}

.search-result-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.clear-search {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
}

/* --- 分页 --- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.page-btn:hover,
.page-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-white);
}

/* --- FAQ --- */
.faq-section {
    background: var(--bg-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.faq-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.faq-q {
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: start;
    color: var(--text-primary);
    font-size: 16px;
    letter-spacing: -0.3px;
}

.faq-q i {
    color: var(--primary-color);
    margin-right: 12px;
    margin-top: 2px;
    font-size: 18px;
}

.faq-a {
    font-size: 15px;
    color: var(--text-secondary);
    padding-left: 32px;
    line-height: 1.6;
}

/* --- 联系我们 --- */
.contact-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    position: relative;
}

.contact-box {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
    .contact-box { flex-direction: row; }
}

.contact-info,
.contact-form {
    flex: 1;
    padding: 40px;
}

@media (max-width: 768px) {
    .contact-info, .contact-form { padding: 32px 24px; }
}

.contact-info {
    background: var(--bg-light);
}

.contact-info h3,
.contact-form h3 {
    font-size: 22px;
    margin-bottom: 24px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.contact-item {
    display: flex;
    align-items: start;
    margin-bottom: 16px;
    font-size: 15px;
}

.contact-item i {
    width: 20px;
    color: var(--primary-color);
    margin-right: 12px;
    margin-top: 2px;
}

.contact-item span {
    color: var(--text-secondary);
}

.contact-item strong {
    color: var(--text-primary);
    font-weight: 500;
}

.form-group {
    margin-bottom: 16px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 15px;
    background: var(--bg-light);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-control::placeholder {
    color: var(--text-tertiary);
}

.form-control:focus {
    border-color: var(--primary-color);
    background: var(--bg-white);
    box-shadow: 0 0 0 3px var(--primary-bg);
    outline: none;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}

.submit-btn:active {
    transform: scale(0.98);
}

/* --- 加入我们 --- */
.join-intro {
    background: var(--bg-light);
}

.intro-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.intro-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.intro-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.jobs-section {
    background: var(--bg-white);
}

.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.job-card {
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}

.job-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.job-header {
    background: var(--bg-white);
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
}

.job-header h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.job-meta i {
    color: var(--primary-color);
    margin-right: 6px;
}

.job-body {
    padding: 24px;
}

.job-section {
    margin-bottom: 20px;
}

.job-section h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-weight: 600;
}

.job-section p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.job-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid var(--border-light);
    gap: 16px;
}

@media (max-width: 576px) {
    .job-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
}

.job-salary {
    font-size: 16px;
    color: var(--accent-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

@media (max-width: 576px) {
    .job-salary {
        font-size: 15px;
        justify-content: center;
        padding: 12px;
        background: var(--accent-bg);
        border-radius: var(--radius-md);
    }
}

.job-salary i {
    font-size: 16px;
}

.btn-apply {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
    min-width: 120px;
}

@media (max-width: 576px) {
    .btn-apply {
        width: 100%;
        padding: 14px 24px;
        font-size: 16px;
    }
}

.btn-apply:hover {
    background: var(--primary-dark);
    transform: scale(1.02);
}

.btn-apply:active {
    transform: scale(0.98);
}

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

.about-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

@media (min-width: 768px) {
    .about-content { flex-direction: row; gap: 60px; }
}

.about-image {
    flex: 1;
}

.about-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.about-text-full {
    flex: 1;
}

.about-text-full h2 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.about-subtitle {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: 1px;
    font-weight: 500;
}

.about-summary {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.about-detail {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-detail h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin: 24px 0 12px;
    font-weight: 600;
}

.about-detail p {
    margin-bottom: 16px;
}

.about-detail ul {
    margin-bottom: 16px;
    padding-left: 20px;
}

.about-detail ul li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 8px;
}

.about-detail ul li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: -12px;
}

/* --- 公司信息卡片 --- */
.company-info-section {
    background: var(--bg-light);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

@media (min-width: 768px) {
    .info-grid { grid-template-columns: repeat(5, 1fr); gap: 16px; }
}

.info-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    box-shadow: var(--shadow-sm);
}

.info-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    transition: var(--transition);
}

.info-icon i {
    font-size: 22px;
    color: var(--primary-color);
}

.info-card:hover .info-icon {
    background: var(--primary-color);
}

.info-card:hover .info-icon i {
    color: var(--bg-white);
}

.info-card h4 {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.info-card p {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.2px;
}

/* --- 经营范围 --- */
.business-section {
    background: var(--bg-white);
    padding: 60px 0;
}

.business-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 768px) {
    .business-content { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

.business-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.business-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.business-item i {
    width: 40px;
    height: 40px;
    background: var(--primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
}

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

.business-item span {
    font-size: 15px;
    color: var(--text-secondary);
}

/* --- 详情页 --- */
.detail-section {
    background: var(--bg-white);
    padding: 40px 0 60px;
}

@media (max-width: 768px) {
    .detail-section { padding: 24px 0 80px; }
}

.detail-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 576px) {
    .detail-container { padding: 0 16px; }
}

.detail-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: 60px 0 40px;
    margin-bottom: 0;
    text-align: center;
    color: var(--bg-white);
}

@media (max-width: 768px) {
    .detail-header { padding: 40px 0 32px; }
}

@media (max-width: 576px) {
    .detail-header { padding: 32px 0 24px; }
}

.detail-header h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.3;
    padding: 0 20px;
}

@media (min-width: 768px) {
    .detail-header h1 { font-size: 32px; }
}

@media (max-width: 576px) {
    .detail-header h1 { font-size: 22px; }
}

.detail-header .detail-meta {
    font-size: 14px;
    opacity: 0.9;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 16px;
}

@media (max-width: 576px) {
    .detail-header .detail-meta { font-size: 12px; gap: 6px 12px; }
}

.detail-category {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-bg);
    color: var(--primary-color);
    font-size: 13px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    font-weight: 500;
}

.detail-title {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 600;
    letter-spacing: -0.5px;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .detail-title { font-size: 32px; }
}

@media (max-width: 576px) {
    .detail-title { font-size: 22px; }
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
    font-size: 14px;
    color: var(--text-tertiary);
}

@media (max-width: 576px) {
    .detail-meta {
        flex-direction: column;
        gap: 6px;
        font-size: 12px;
        text-align: center;
    }
}

.detail-image {
    margin: 32px auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    max-width: 100%;
}

@media (max-width: 768px) {
    .detail-image { margin: 24px auto; border-radius: var(--radius-lg); }
}

@media (max-width: 576px) {
    .detail-image { margin: 16px auto; border-radius: var(--radius-md); }
}

.detail-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: cover;
}

.detail-content {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    padding: 40px 20px;
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .detail-content { padding: 32px 16px; line-height: 1.7; }
}

@media (max-width: 576px) {
    .detail-content { padding: 24px 16px; font-size: 15px; line-height: 1.6; }
}

.detail-content h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin: 32px 0 16px;
    font-weight: 600;
}

@media (max-width: 576px) {
    .detail-content h3 { font-size: 18px; margin: 24px 0 12px; }
}

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

@media (max-width: 576px) {
    .detail-content p { margin-bottom: 16px; }
}

.detail-content ul {
    margin-bottom: 20px;
    padding-left: 24px;
}

@media (max-width: 576px) {
    .detail-content ul { padding-left: 20px; margin-bottom: 16px; }
}

.detail-content ul li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 8px;
}

@media (max-width: 576px) {
    .detail-content ul li { margin-bottom: 8px; }
}

.detail-content ul li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: -16px;
    font-size: 18px;
}

/* 详情页图片自适应 */
.detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 16px auto;
    display: block;
}

@media (max-width: 576px) {
    .detail-content img { border-radius: var(--radius-sm); margin: 12px auto; }
}

/* --- Footer --- */
.footer {
    background: var(--bg-white);
    padding: 60px 0 24px;
    border-top: 1px solid var(--border-light);
}

@media (max-width: 768px) {
    .footer { padding: 40px 0 80px; }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer-info h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.footer-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: start;
    gap: 8px;
}

.footer-info i {
    color: var(--primary-color);
    width: 16px;
    margin-top: 2px;
}

.footer-links h4,
.footer-qrcode h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 600;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

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

.footer-qrcode .qrcode-img {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-md);
}

.qrcode-placeholder {
    width: 120px;
    height: 120px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode-placeholder i {
    font-size: 48px;
    color: var(--text-tertiary);
}

.copyright {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.copyright p {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* --- 移动端底部导航栏 --- */
.mobile-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    border-top: 1px solid var(--border-light);
    z-index: 1000;
}

@media (min-width: 992px) {
    .mobile-bar { display: none; }
}

.mobile-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    color: var(--text-secondary);
    font-size: 10px;
    transition: var(--transition-fast);
    min-width: 64px;
}

.mobile-item i {
    font-size: 22px;
    margin-bottom: 4px;
}

.mobile-item:hover,
.mobile-item.active {
    color: var(--primary-color);
}

/* --- 社交媒体链接 --- */
.social-links {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

.social-link i {
    font-size: 18px;
}

/* --- 弹窗/模态框 --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 32px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: var(--transition-spring);
    position: relative;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

@media (max-width: 576px) {
    .modal-content {
        padding: 24px;
        max-height: 85vh;
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    line-height: 1;
}

.modal-close:hover {
    background: var(--bg-gray);
    color: var(--text-primary);
}

.modal-content h3 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
}

@media (max-width: 576px) {
    .modal-content h3 { font-size: 20px; }
}

/* --- 动画效果 --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

/* --- 响应式优化 --- */
@media (max-width: 576px) {
    .container { padding: 0 16px; }
    .section-padding { padding: 48px 0; }
    .section-title h2 { font-size: 22px; }
    .btn { padding: 12px 24px; font-size: 14px; }
}

/* --- 打印样式 --- */
@media print {
    header, .mobile-bar, .carousel-arrow, .carousel-dots { display: none; }
    .banner-carousel { height: auto; min-height: 200px; }
    body { background: white; }
}