@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
    --chinese-red: #C8102E;
    --gold: #FFD700;
    --ink-black: #1a1a1a;
    --warm-white: #FFF8F0;
    --subtle-gray: #F5F5F5;
    --festival-orange: #FF8C00;
    --deep-red: #8B0000;
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background: var(--warm-white);
    color: var(--ink-black);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    background: linear-gradient(135deg, #C8102E 0%, #8B0000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}



.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    animation: shimmer 6s ease-in-out infinite;
}

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

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    padding: 0 20px;
}

.hero-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 3rem; /* 回退字体大小 */
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem; /* 回退字体大小 */
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 400;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-countdown {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    display: inline-block;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.countdown-label {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.countdown-timer {
    font-size: 2rem; /* 回退字体大小 */
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
    color: var(--gold);
}

/* 媒体查询 - 为不支持clamp()的旧浏览器提供响应式字体大小 */
@media (min-width: 768px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.8rem;
    }
    
    .countdown-timer {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 5rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .countdown-timer {
        font-size: 2.8rem;
    }
}

@media (min-width: 1440px) {
    .hero-title {
        font-size: 6rem;
    }
    
    .hero-subtitle {
        font-size: 2.5rem;
    }
    
    .countdown-timer {
        font-size: 3rem;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 优化后的灯笼样式 */
.lantern {
    position: absolute;
    width: 60px;
    height: 90px;
    z-index: 5;
    animation: float 8s ease-in-out infinite;
}

.lantern-body {
    position: absolute;
    width: 100%;
    height: 70px;
    background: linear-gradient(135deg, #ff3333 0%, #cc0000 100%);
    border-radius: 30px 30px 35px 35px;
    box-shadow: 
        0 0 20px rgba(255, 100, 0, 0.7),
        inset 0 0 15px rgba(255, 215, 0, 0.4);
    overflow: hidden;
}

.lantern-body::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 2px solid rgba(255, 215, 0, 0.6);
    border-radius: 25px 25px 30px 30px;
    box-shadow: inset 0 0 10px rgba(255, 215, 0, 0.3);
}

.lantern-body::after {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 215, 0, 0.8) 20%, rgba(255, 215, 0, 0.8) 80%, transparent 100%);
}

.lantern-top, .lantern-bottom {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 12px;
    background: linear-gradient(90deg, #b8860b 0%, #ffd700 50%, #b8860b 100%);
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.lantern-top {
    top: -10px;
}

.lantern-bottom {
    bottom: -10px;
}

.lantern-tassel {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 35px;
    background: linear-gradient(to bottom, #ffd700 0%, #b8860b 50%, #8b6914 100%);
    border-radius: 2px;
}

.lantern-tassel::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 15px;
    height: 15px;
    background: linear-gradient(135deg, #ffd700 0%, #b8860b 100%);
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(255, 215, 0, 0.7);
}

.lantern-tassel::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 10px;
    background: linear-gradient(to bottom, rgba(255, 215, 0, 0.8) 0%, rgba(184, 134, 11, 0.6) 100%);
    border-radius: 50%;
    filter: blur(3px);
}

.lantern-light {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    background: radial-gradient(circle at center, rgba(255, 200, 0, 0.8) 0%, rgba(255, 100, 0, 0.4) 40%, transparent 70%);
    border-radius: 20px;
    animation: flicker 3s ease-in-out infinite alternate;
    z-index: -1;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0) rotate(-2deg); 
    }
    25% { 
        transform: translateY(-15px) rotate(1deg); 
    }
    50% { 
        transform: translateY(-25px) rotate(3deg); 
    }
    75% { 
        transform: translateY(-15px) rotate(1deg); 
    }
}

@keyframes flicker {
    0%, 100% { 
        opacity: 0.7;
        transform: scale(1);
    }
    50% { 
        opacity: 0.9;
        transform: scale(1.05);
    }
    75% {
        opacity: 0.8;
        transform: scale(0.98);
    }
}

/* Navigation Bar */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.nav.visible {
    transform: translateY(0);
}

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

.nav-logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--chinese-red);
}

.nav-links {
    display: flex;
    gap: 1.25rem;
    list-style: none;
}

.nav-links a {
    color: var(--ink-black);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--chinese-red);
}

/* 汉堡菜单样式 */
.menu-toggle {
    display: none;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    /* 兼容旧浏览器 */
    position: relative;
    /* 防止点击震动 */
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

.menu-toggle .bar {
    width: 100%;
    height: 3px;
    background: var(--chinese-red);
    border-radius: 10px;
    transition: all 0.3s ease;
    /* 兼容旧浏览器 */
    display: block;
    position: absolute;
    left: 0;
    /* 确保在旧浏览器中可见 */
    opacity: 1;
}

/* 三条横线的定位，兼容旧浏览器 */
.menu-toggle .bar:nth-child(1) {
    top: 0;
}

.menu-toggle .bar:nth-child(2) {
    top: 9px;
}

.menu-toggle .bar:nth-child(3) {
    top: 18px;
}

/* 汉堡菜单动画 */
.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 兼容旧浏览器的显示方式 */
.menu-toggle.show {
    display: block !important;
}

/* 侧边栏样式 */
.sidebar {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.sidebar.open {
    right: 0;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.2);
}

/* 侧边栏滚动条样式 */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--chinese-red);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: #a80d27;
}

.sidebar-content {
    padding: 2rem 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(200, 16, 46, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0;
    border-bottom: none;
    background: transparent;
    box-shadow: none;
    padding: 0;
    border-radius: 0;
}

.menu-close {
    background: linear-gradient(135deg, var(--chinese-red), #8B0000);
    border: none;
    font-size: 1.2rem;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3);
}

.menu-close:hover {
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 4px 12px rgba(200, 16, 46, 0.4);
}

.sidebar-links {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.sidebar-links li {
    margin-bottom: 0.8rem;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.sidebar-links li:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sidebar-links a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    color: var(--ink-black);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    transition: all 0.3s ease;
    background: white;
    border: 2px solid transparent;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.sidebar-links a::before {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(200, 16, 46, 0.1), transparent);
    transition: left 0.5s ease;
    z-index: 0;
}

.sidebar-links a:hover::before {
    left: 100%;
}

.sidebar-links a:hover {
    color: var(--chinese-red);
    background: rgba(200, 16, 46, 0.05);
    border-color: var(--chinese-red);
    transform: translateX(5px);
}

.sidebar-links a i {
    font-size: 1.4rem;
    width: 24px;
    text-align: center;
    z-index: 1;
}

/* 侧边栏链接文本 */
.sidebar-links a span {
    z-index: 1;
}

/* 侧边栏遮罩层样式 */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(2px);
}

.sidebar-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* 移动端媒体查询 */
@media (max-width: 768px) {
    .sidebar {
        width: 85%;
        max-width: 320px;
    }
    
    .sidebar-content {
        padding: 1.5rem 1rem;
    }
    
    .sidebar-header {
        margin-bottom: 2rem;
    }
    
    .sidebar-links a {
        padding: 0.9rem 1rem;
        font-size: 1.1rem;
    }
    
    /* 只在移动端显示汉堡菜单按钮 */
    .menu-toggle {
        display: flex;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-content {
        padding: 0 1rem;
    }
}

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

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 2rem; /* 回退字体大小 */
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--chinese-red);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

/* 为section-title添加媒体查询 */
@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 2.8rem;
    }
}

@media (min-width: 1440px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gold);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-top: 1.5rem;
}

/* 优化后的公告样式 - 使用春节传统色彩 */
.announcements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.announcement-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 4px solid;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.announcement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.7) 50%, transparent 100%);
}

.announcement-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 不同类型卡片的主题色 - 使用春节传统色彩 */
.announcement-card.survey {
    border-top-color: #C8102E;
}

.announcement-card.announcement {
    border-top-color: #FFD700;
}

.announcement-card.registration {
    border-top-color: #FF8C00;
}

.announcement-card.suggestion {
    border-top-color: #8B0000;
}

.announcement-header {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
}

.announcement-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

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

/* 不同类型卡片的图标背景色 - 使用春节传统色彩 */
.announcement-card.survey .announcement-icon {
    background: linear-gradient(135deg, #C8102E, #8B0000);
}

.announcement-card.announcement .announcement-icon {
    background: linear-gradient(135deg, #FFD700, #FFA500);
}

.announcement-card.registration .announcement-icon {
    background: linear-gradient(135deg, #FF8C00, #FF4500);
}

.announcement-card.suggestion .announcement-icon {
    background: linear-gradient(135deg, #8B0000, #660000);
}

.announcement-content {
    flex: 1;
}

.announcement-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    position: relative;
    display: inline-block;
}

.announcement-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 3px;
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* 不同类型卡片的标题下划线 - 使用春节传统色彩 */
.announcement-card.survey .announcement-title::after {
    background: #C8102E;
}

.announcement-card.announcement .announcement-title::after {
    background: #FFD700;
}

.announcement-card.registration .announcement-title::after {
    background: #FF8C00;
}

.announcement-card.suggestion .announcement-title::after {
    background: #8B0000;
}

.announcement-card:hover .announcement-title::after {
    width: 100%;
}

.announcement-text {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.announcement-button {
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    align-self: flex-start;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.announcement-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.announcement-button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.announcement-button:hover::before {
    left: 100%;
}

/* 不同类型卡片的按钮颜色 - 使用春节传统色彩 */
.announcement-card.survey .announcement-button {
    background: linear-gradient(135deg, #C8102E, #8B0000);
    box-shadow: 0 3px 10px rgba(200, 16, 46, 0.3);
}

.announcement-card.announcement .announcement-button {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    box-shadow: 0 3px 10px rgba(255, 215, 0, 0.3);
}

.announcement-card.registration .announcement-button {
    background: linear-gradient(135deg, #FF8C00, #FF4500);
    box-shadow: 0 3px 10px rgba(255, 140, 0, 0.3);
}

.announcement-card.suggestion .announcement-button {
    background: linear-gradient(135deg, #8B0000, #660000);
    box-shadow: 0 3px 10px rgba(139, 0, 0, 0.3);
}

/* 重要公告卡片特殊样式 - 没有按钮 */
.announcement-card.announcement .announcement-text {
    margin-bottom: 0;
}

.announcement-card.announcement::after {
    content: 'NEW';
    position: absolute;
    top: 15px;
    right: -30px;
    background: #FFD700;
    color: #8B0000;
    padding: 5px 30px;
    font-size: 0.8rem;
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Info Cards */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-top: 4px solid var(--chinese-red);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.info-card-icon {
    font-size: 2.5rem;
    color: var(--chinese-red);
    margin-bottom: 1rem;
}

.info-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--chinese-red);
    margin-bottom: 1rem;
}

.info-card-detail {
    display: flex;
    align-items: start;
    margin-bottom: 0.8rem;
    gap: 0.5rem;
}

.info-card-detail i {
    color: var(--chinese-red);
    margin-top: 0.3rem;
}

/* Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.feature-icon {
    height: 150px;
    background: linear-gradient(135deg, var(--chinese-red), #8B0000);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.feature-content {
    padding: 1.5rem;
    text-align: center;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--chinese-red);
    margin-bottom: 0.5rem;
}

.feature-desc {
    color: #666;
    font-size: 0.95rem;
}

/* Activity Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--chinese-red), var(--gold));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 100%;
    display: flex;
    justify-content: center;
}

.timeline-content {
    width: 45%;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
    margin-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
}

.timeline-content:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.timeline-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: var(--chinese-red);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 0 0 5px var(--warm-white), 0 0 0 8px var(--gold);
    z-index: 1;
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--chinese-red);
    margin-bottom: 0.5rem;
}

.timeline-desc {
    color: #666;
    font-size: 0.95rem;
}

/* Points Table */
.points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.point-item {
    background: white;
    padding: 1.2rem;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.point-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

.point-name {
    font-weight: 500;
}

.point-value {
    background: linear-gradient(135deg, var(--chinese-red), #8B0000);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: var(--ink-black);
    color: white;
    text-align: center;
    padding: 3rem 0;
    margin-top: 5rem;
}

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

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--chinese-red);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: #8B0000;
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        justify-content: flex-start;
        padding-left: 60px;
    }

    .timeline-content {
        width: 100%;
        margin: 0 !important;
    }

    .timeline-number {
        left: 20px;
        transform: none;
    }

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

    .video-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    /* 移动端灯笼调整 */
    .lantern {
        width: 45px;
        height: 70px;
    }
    
    .lantern-body {
        height: 55px;
    }
    
    /* 移动端公告样式调整 */
    .announcement-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .announcement-button {
        align-self: center;
    }
    
    .announcement-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* Decorative Elements */
.decoration-cloud {
    position: absolute;
    opacity: 0.1;
    pointer-events: none;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--ink-black), #2a2a2a);
    color: white;
    padding: 4rem 0 2rem;
    text-align: center;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

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

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-links {
        gap: 1rem;
    }

    .footer-logo {
        font-size: 1.5rem;
    }

    .footer {
        padding: 3rem 0 1.5rem;
    }
}

/* 浅色页脚样式 */
.footer.light-footer {
    background: white;
    color: var(--ink-black);
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.08);
}

.footer.light-footer .footer-links a {
    color: var(--ink-black);
}

.footer.light-footer .footer-links a:hover {
    color: var(--chinese-red);
}

.footer.light-footer .footer-divider {
    background: rgba(0, 0, 0, 0.1);
}

.footer.light-footer .footer-copyright {
    color: rgba(0, 0, 0, 0.6);
}

.footer.light-footer .footer-logo {
    color: var(--chinese-red);
}

/* 条款页面样式 */
.terms-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    color: #333;
    line-height: 1.8;
    letter-spacing: 0.5px;
}

.terms-container p {
    margin-bottom: 1rem;
    line-height: 1.8;
    letter-spacing: 0.5px;
}

.terms-container ul {
    margin-bottom: 1rem;
}

.terms-container li {
    margin-bottom: 0.8rem;
    line-height: 1.8;
    letter-spacing: 0.5px;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    border-bottom: 3px solid #C8102E;
    padding-bottom: 1rem;
}

.header h1 {
    color: #C8102E;
    margin-bottom: 0.5rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 2.5rem;
}

.effective-date {
    color: #666;
    font-style: italic;
}

.section {
    margin-bottom: 2rem;
}

.section h2 {
    color: #C8102E;
    margin-top: 2.5rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
    font-family: 'Noto Serif SC', serif;
}

.section h3 {
    color: #8B0000;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-family: 'Noto Serif SC', serif;
}

/* 调整条款页面中h2与内容之间的间距 */
.terms-container h2 {
    margin-bottom: 2rem;
}

.terms-container .section {
    margin-top: 1.5rem;
}

.terms-container .section ul {
    margin-top: 1.5rem;
}

.terms-container .section p {
    margin-top: 1.5rem;
}

ul {
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

.rules-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.rules-table th {
    background: #C8102E;
    color: white;
    padding: 0.8rem;
    text-align: left;
    font-family: 'Noto Serif SC', serif;
}

.rules-table td {
    padding: 0.8rem;
    border-bottom: 1px solid #eee;
}

.rules-table tr:nth-child(even) {
    background: #f9f9f9;
}

.points-badge {
    background: #C8102E;
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
    display: inline-block;
    margin-right: 0.5rem;
}

.card-system {
    background: #fff9e6;
    border: 1px solid #FFD700;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.zodiac-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 1rem;
}

.zodiac-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info {
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

/* 关于我们页面样式 */
.about-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    color: #333;
}

.about-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.about-section h2 {
    color: #C8102E;
    margin-bottom: 1.5rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.about-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
}

.about-section h3 {
    color: #8B0000;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
}

.about-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: #555;
}

.about-section ul {
    padding-left: 2rem;
    margin-bottom: 1.5rem;
}

.about-section li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
    color: #555;
}

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

.team-member {
    text-align: center;
    padding: 1.5rem;
    background: #f9f9f9;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 4px solid var(--gold);
}

.team-member h4 {
    color: #C8102E;
    margin-bottom: 0.5rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.2rem;
}

.team-member p {
    color: #666;
    margin-bottom: 0;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f9f9f9;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(5px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    color: #C8102E;
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.contact-item .contact-info {
    background: transparent;
    padding: 0;
    margin: 0;
}

.contact-item h4 {
    color: #C8102E;
    margin-bottom: 0.2rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
}

.contact-item p {
    color: #666;
    margin-bottom: 0;
}

.vision-section {
    text-align: center;
    background: linear-gradient(135deg, rgba(200, 16, 46, 0.1), rgba(255, 215, 0, 0.1));
    padding: 3rem 2rem;
    border-radius: 15px;
    margin-top: 3rem;
}

.vision-section h2 {
    color: #C8102E;
    margin-bottom: 1.5rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 2.2rem;
}

.vision-section p {
    font-size: 1.1rem;
    color: #555;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 感谢名单样式 */
.gratitude-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gratitude-item {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.gratitude-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--gold);
}

.gratitude-item i {
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 1rem;
}

.gratitude-item h4 {
    color: var(--chinese-red);
    margin-bottom: 0.5rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.2rem;
}

.gratitude-item p {
    color: #666;
    margin-bottom: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* FAQ页面样式 */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem;
    background: var(--warm-white);
}

/* FAQ搜索样式 */
.faq-search {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    font-size: 1.1rem;
}

.search-box input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 3rem;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    background: white;
}

.search-box input:focus {
    border-color: var(--chinese-red);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
}

/* FAQ分类样式 */
.faq-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.category-btn {
    padding: 0.6rem 1.2rem;
    border: 2px solid #e0e0e0;
    background: white;
    border-radius: 25px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
    font-weight: 500;
}

.category-btn:hover {
    border-color: var(--chinese-red);
    color: var(--chinese-red);
    background: rgba(200, 16, 46, 0.05);
}

.category-btn.active {
    background: var(--chinese-red);
    color: white;
    border-color: var(--chinese-red);
}

/* FAQ列表样式 */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* FAQ项样式 */
.faq-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.faq-item:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
    border-color: var(--gold);
}

/* FAQ问题样式 */
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ink-black);
    font-family: 'Noto Sans SC', sans-serif;
}

.faq-question:hover {
    background: rgba(200, 16, 46, 0.05);
}

/* FAQ切换按钮样式 */
.faq-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: #666;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.faq-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--chinese-red);
}

.faq-toggle.active {
    transform: rotate(180deg);
    color: var(--chinese-red);
}

/* FAQ答案样式 */
.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: white;
}

.faq-answer.active {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-answer p {
    margin: 0 0 1rem 0;
    color: #666;
    line-height: 1.8;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer ul {
    margin: 0 0 1rem 0;
    padding-left: 1.5rem;
    color: #666;
}

.faq-answer li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.faq-answer li:last-child {
    margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .faq-container {
        padding: 2rem 1rem;
    }
    
    .faq-question {
        padding: 1.2rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 0 1.2rem;
    }
    
    .faq-answer.active {
        padding: 0 1.2rem 1.2rem;
    }
    
    .faq-categories {
        gap: 0.6rem;
    }
    
    .category-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .search-box input {
        padding: 0.7rem 1rem 0.7rem 2.8rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .faq-container {
        padding: 1.5rem 1rem;
    }
    
    .faq-question {
        padding: 1rem;
    }
    
    .faq-question h3 {
        font-size: 0.95rem;
    }
    
    .faq-categories {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
}

/* 未找到答案提示样式 */
.no-results {
    margin-top: 2rem;
    text-align: center;
    padding: 3rem 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.no-results-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.no-results i {
    font-size: 3rem;
    color: #e0e0e0;
}

.no-results h3 {
    margin: 0;
    color: var(--ink-black);
    font-size: 1.5rem;
    font-weight: 600;
}

.no-results p {
    margin: 0;
    color: #666;
    line-height: 1.8;
    max-width: 500px;
}

.reset-search {
    padding: 0.8rem 1.5rem;
    border: none;
    background: var(--chinese-red);
    color: white;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    margin-top: 0.5rem;
}

.reset-search:hover {
    background: #8B0000;
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(200, 16, 46, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .no-results {
        padding: 2rem 1.5rem;
    }
    
    .no-results i {
        font-size: 2.5rem;
    }
    
    .no-results h3 {
        font-size: 1.3rem;
    }
}