/* ===== 全局样式重置和基础 ===== */
:root {
    --primary-color: #1a73e8;
    --primary-dark: #0d47a1;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --text-light: #ffffff;
    --text-dark: #202124;
    --bg-dark: #0a0a0a;
    --card-bg: rgba(30, 30, 30, 0.8);
    --transition: all 0.4s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.4);
    --border-radius: 12px;
    --font-family: 'Inter', 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* ===== 视频背景 ===== */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.75) saturate(0.75);
}

#homeVideoOverlay {
    background: rgba(0,0,0,0.05)
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

/* ===== 现代导航栏 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.header.scrolled {
    background: rgba(15, 15, 30, 0.92);
    padding: 15px 5%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid rgba(255, 255, 255, 0.25);
    padding: 8px 24px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== 页面容器 ===== */
.content-container {
    position: relative;
    z-index: 1;
}

.page {
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 100px 5%;
}

/* ===== 第一屏：首页 ===== */
#page1 {
    height: 100vh;
    text-align: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h2 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 30px;
    line-height: 1.1;
    color: #ffffff;
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    text-shadow: 
        0 0 1px rgba(255, 255, 255, 0.3),
        0 1px 3px rgba(0, 0, 0, 0.8),
        0 2px 10px rgba(0, 0, 0, 0.6),
        0 5px 20px rgba(0, 0, 0, 0.4);
}

.tagline {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 50px;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.6;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.5px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.45);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(26, 115, 232, 0.65);
}

.scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: fadeInOut 2.5s infinite;
}

.scroll-hint i {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.7);
    display: block;
    margin-bottom: 8px;
    animation: bounce 2s infinite;
}

.scroll-hint p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    text-transform: uppercase;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ===== 滚动指示器 ===== */
.scroll-indicator {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.scroll-indicator ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.scroll-indicator li {
    width: 10px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
}

.scroll-indicator li.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.2);
}

.scroll-indicator li:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
}

.scroll-indicator li::after {
    content: attr(data-label);
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(20, 20, 30, 0.92);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    white-space: nowrap;
}

.scroll-indicator li:hover::after {
    opacity: 1;
}

/* ===== 通用页面样式 ===== */
.page-background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: -1;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 15px;
}

.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    margin: 15px auto 30px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.75);
    margin: 0 auto 50px;
    max-width: 700px;
    font-weight: 300;
    line-height: 1.6;
}

.page-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* ===== 第2屏：核心优势 - 粘性滚动效果 ===== */
#page2 {
    min-height: auto;
    padding: 80px 0;
    overflow: visible;
}

.sticky-scroll-section {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

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

/* 粘性滚动容器 */
.sticky-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    position: relative;
}

/* 左侧图片区域 - 粘性固定 */
.sticky-images {
    position: sticky;
    top: 120px;
    height: calc(100vh - 240px);
    min-height: 500px;
}

.image-stack {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.sticky-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.sticky-image.active {
    opacity: 1;
    visibility: visible;
}

.sticky-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.sticky-image.active img {
    transform: scale(1.02);
}

/* 右侧文字区域 - 滚动内容 */
.scroll-content-area {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.content-block {
    min-height: calc(100vh - 240px);
    display: flex;
    align-items: center;
    padding: 40px 0;
    opacity: 0.4;
    transition: opacity 0.5s ease;
}

.content-block.active {
    opacity: 1;
}

.content-block-inner {
    padding: 30px;
}

.content-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.content-icon i {
    font-size: 1.5rem;
    color: white;
}

.content-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.content-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 30px;
}

.content-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.content-features .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
}

.content-features .feature-item i {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

/* 滚动指示器 */
.block-indicators {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 50px;
    padding-bottom: 30px;
}

.block-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.block-indicator.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.block-indicator:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* ===== 第三屏：精选房源 ===== */
.property-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    width: 100%;
}

.property-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.property-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.property-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

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

.property-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.property-tag.available {
    background: rgba(52, 168, 83, 0.2);
    color: var(--secondary-color);
    border: 1px solid rgba(52, 168, 83, 0.3);
}

.property-tag.reserved {
    background: rgba(234, 67, 53, 0.2);
    color: var(--accent-color);
    border: 1px solid rgba(234, 67, 53, 0.3);
}

.property-content {
    padding: 25px;
}

.property-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
}

.property-specs {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
}

.spec-item i {
    color: var(--primary-color);
}

.property-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.5;
}

.property-action-btn {
    display: inline-block;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
}

.property-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 115, 232, 0.4);
}

/* ===== 第四屏：新闻动态 ===== */
.news-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    width: 100%;
}

.news-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.news-date {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.news-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: white;
    line-height: 1.3;
}

.news-card p {
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.news-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.news-link:hover {
    gap: 12px;
}

/* ===== 第五屏：我们是谁 ===== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    width: 100%;
}

.about-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 25px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.75);
}

.contact-info {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: white;
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
}

.contact-info h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
}

.contact-details p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-details i {
    color: var(--primary-color);
    width: 20px;
}

.contact-form {
    margin-top: 30px;
}

.contact-form h4 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: white;
    font-weight: 600;
}

.form-group {
    margin-bottom: 15px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(30, 30, 40, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(35, 35, 45, 0.8);
}

.submit-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: 12px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 115, 232, 0.4);
}

/* ===== 页脚 ===== */
.footer {
    background: rgba(10, 10, 20, 0.95);
    padding: 50px 5% 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

.footer-links h4,
.footer-social h4 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

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

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    transition: var(--transition);
}

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

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===== 移动端菜单 ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 20, 0.98);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    padding: 20px;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.mobile-menu-header h3 {
    font-size: 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.mobile-nav-link {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-link.active {
    color: var(--primary-color);
}

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

/* ===== 动画元素 ===== */
.animate-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-element.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .sticky-container {
        gap: 40px;
    }
    
    .content-title {
        font-size: 1.9rem;
    }
    
    .content-desc {
        font-size: 1rem;
    }
}

@media (max-width: 992px) {
    .hero-content h2 {
        font-size: 2.8rem;
        margin-bottom: 25px;
        color: #ffffff;
        background: none;
        -webkit-background-clip: unset;
        background-clip: unset;
        text-shadow: 
            0 1px 2px rgba(0, 0, 0, 0.8),
            0 2px 8px rgba(0, 0, 0, 0.6);
    }
    
    .tagline {
        font-size: 1.3rem;
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 2.4rem;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    /* 粘性滚动响应式 */
    .sticky-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .sticky-images {
        position: relative;
        top: 0;
        height: 350px;
        min-height: auto;
        order: -1;
    }
    
    .content-block {
        min-height: auto;
        padding: 30px 0;
        opacity: 1;
    }
    
    .content-block-inner {
        padding: 20px;
    }
    
    .content-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 15px 5%;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content h2 {
        font-size: 2.2rem;
        margin-bottom: 20px;
    }
    
    .tagline {
        font-size: 1.1rem;
        margin-bottom: 35px;
        line-height: 1.5;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .features-container {
        grid-template-columns: 1fr;
    }
    
    .property-showcase {
        grid-template-columns: 1fr;
    }
    
    .news-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .scroll-indicator {
        right: 10px;
    }
    
    .scroll-indicator li::after {
        display: none;
    }
    
    /* 粘性滚动移动端 */
    .sticky-images {
        height: 280px;
    }
    
    .content-title {
        font-size: 1.6rem;
    }
    
    .content-icon {
        width: 40px;
        height: 40px;
    }
    
    .content-icon i {
        font-size: 1.2rem;
    }
    
    .block-indicators {
        margin-top: 30px;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.8rem;
        margin-bottom: 15px;
        color: #ffffff;
        background: none;
        -webkit-background-clip: unset;
        background-clip: unset;
        text-shadow: 
            0 1px 1px rgba(0, 0, 0, 0.8),
            0 2px 4px rgba(0, 0, 0, 0.6);
    }
    
    .tagline {
        font-size: 1rem;
        margin-bottom: 30px;
        line-height: 1.4;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .sticky-images {
        height: 220px;
    }
    
    .content-title {
        font-size: 1.4rem;
    }
    
    .content-desc {
        font-size: 0.95rem;
    }
}

/* 二维码弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, rgba(30, 30, 40, 0.98), rgba(20, 20, 30, 0.98));
    margin: 10% auto;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    position: relative;
}

.modal-content h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.qr-code {
    width: 250px;
    height: 250px;
    margin: 0 auto 20px;
    background: white;
    padding: 15px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.modal-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-top: 15px;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: white;
}

/* 微信图标特殊样式提示 */
.wechat-trigger {
    position: relative;
}

.wechat-trigger:hover::after {
    content: "点击扫码关注";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20, 20, 30, 0.95);
    color: white;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    margin-bottom: 8px;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.wechat-trigger:hover::after {
    opacity: 1;
}

/* ===== 第4屏新闻卡片样式（与news页面一致） ===== */
#page4 .news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    width: 100%;
}

#page4 .news-card-v2 {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

#page4 .news-card-v2:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    background: rgba(255, 255, 255, 0.04);
}

#page4 .news-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

#page4 .news-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 比例 */
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
}

#page4 .news-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

#page4 .news-card-v2:hover .news-image {
    transform: scale(1.08);
}

#page4 .news-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

#page4 .news-card-v2:hover .news-overlay {
    opacity: 1;
}

#page4 .news-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    letter-spacing: 1px;
    z-index: 2;
}

#page4 .news-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

#page4 .news-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: white;
    line-height: 1.5;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
    letter-spacing: 0.5px;
}

#page4 .news-card-v2:hover .news-title {
    color: var(--primary-color);
}

#page4 .news-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 16px;
}

#page4 .news-date {
    font-weight: 500;
}

#page4 .news-wechat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 600;
}

#page4 .news-wechat i {
    font-size: 0.9rem;
}

/* 响应式适配 */
@media (max-width: 1024px) {
    #page4 .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 640px) {
    #page4 .news-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}