/* ==========================================================================
   2025 IHR Summit - 高端科技风格设计
   智联未来·生态共生
   ========================================================================== */

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

/* Enable GPU acceleration for animations */
.hero-background,
.robot-showcase,
.robot-element,
.particles,
.particle,
.speaker-slide,
.carousel-container,
.btn,
.nav-link,
.feature-card,
.speaker-card {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Optimize animations for better performance */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Contain layout changes */
.container {
    contain: layout style;
}

.hero,
.about,
.speakers,
.agenda,
.exhibition,
.registration,
.contact {
    contain: layout style paint;
}

/* Optimize font loading */
@font-face {
    font-family: 'Inter';
    font-display: swap;
    src: local('Inter'), url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
}

/* Animation keyframes with performance optimizations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate3d(0, 20px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 30px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translate3d(-30px, 0, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

/* Animation classes for JavaScript */
.animate-prepare {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
}

.animate-fade-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* CSS Variables - 基于官方图片资料的配色方案 */
:root {
    /* 主色调 - 基于官方蓝色 rgba(21,119,255) */
    --primary-blue: #1577ff;
    --primary-light: #4d8fff;
    --primary-dark: #0a5bd9;
    --accent-blue: #1577ff;
    --electric-blue: #5ba0f2;
    
    /* 辅助色 - 基于官方配色 */
    --secondary-blue: #6bb3ff;
    --light-blue: #b3d9ff;
    --tech-gray: #4a5568;
    --warm-gray: #718096;
    --gold-accent: #f6ad55;
    
    /* 渐变色 - 官方风格 */
    --gradient-primary: linear-gradient(135deg, #1a4b8c 0%, #2d5ba0 50%, #4a90e2 100%);
    --gradient-accent: linear-gradient(45deg, #4a90e2, #6bb3ff);
    --gradient-hero: linear-gradient(135deg, #0d2a52 0%, #1a4b8c 50%, #2d5ba0 100%);
    
    /* 中性色 */
    --white: #ffffff;
    --black: #000000;
    --dark-bg: #0a0a0a;
    --dark-surface: #1a1a1a;
    --gray-900: #0f172a;
    --gray-800: #1e293b;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748b;
    --gray-400: #94a3b8;
    --gray-300: #cbd5e1;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f8fafc;
    
    /* 字体 */
    --font-tech: 'Orbitron', 'Roboto Mono', monospace;
    --font-primary: 'Inter', 'Noto Sans SC', sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;
    
    /* 字体大小 */
    --text-xs: 1.2rem;
    --text-sm: 1.4rem;
    --text-base: 1.6rem;
    --text-lg: 1.8rem;
    --text-xl: 2.0rem;
    --text-2xl: 2.4rem;
    --text-3xl: 3.0rem;
    --text-4xl: 3.6rem;
    --text-5xl: 4.8rem;
    --text-6xl: 6.0rem;
    --text-7xl: 7.2rem;
    
    /* 间距 */
    --space-1: 0.4rem;
    --space-2: 0.8rem;
    --space-3: 1.2rem;
    --space-4: 1.6rem;
    --space-5: 2.0rem;
    --space-6: 2.4rem;
    --space-8: 3.2rem;
    --space-10: 4.0rem;
    --space-12: 4.8rem;
    --space-16: 6.4rem;
    --space-20: 8.0rem;
    --space-24: 9.6rem;
    --space-32: 12.8rem;
    
    /* 圆角 */
    --radius-sm: 0.4rem;
    --radius-md: 0.8rem;
    --radius-lg: 1.2rem;
    --radius-xl: 2.0rem;
    --radius-2xl: 2.4rem;
    --radius-full: 9999px;
    
    /* 阴影 - 基于官方配色的发光效果 */
    --shadow-glow: 0 0 20px rgba(74, 144, 226, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(74, 144, 226, 0.5);
    --shadow-tech: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-blue: 0 0 30px rgba(26, 75, 140, 0.4);
    
    /* 动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 特效 */
    --backdrop-blur: blur(10px);
    --backdrop-blur-strong: blur(20px);
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
    overflow-x: hidden;
    position: relative;
}

/* 优化的全局背景特效 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(21, 119, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(21, 119, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(21, 119, 255, 0.03) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundShift 20s ease-in-out infinite;
    will-change: opacity;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 优化的粒子动画背景 */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-blue);
    border-radius: 50%;
    animation: float 15s infinite linear;
    will-change: transform;
}

@keyframes float {
    0% {
        transform: translate3d(0, 100vh, 0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translate3d(100px, -100vh, 0);
        opacity: 0;
    }
}

/* 容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    width: 100%;
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
        padding: 0 var(--space-10);
    }
}

/* 排版 */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    /* color: var(--white); */
}

h1 {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-6);
}

h2 {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-5);
}

h3 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

h4 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

p {
    margin-bottom: var(--space-4);
    color: var(--gray-700);
}

/* 按钮系统 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    font-weight: 600;
    font-family: var(--font-tech);
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-height: 5.2rem;
}

.btn::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 var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-strong);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-blue);
    border: 2px solid var(--accent-blue);
}

.btn-secondary:hover {
    background: var(--accent-blue);
    color: var(--dark-bg);
    box-shadow: var(--shadow-glow);
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid rgba(21, 119, 255, 0.2);
    box-shadow: 0 2px 20px rgba(21, 119, 255, 0.1);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom-color: rgba(21, 119, 255, 0.3);
    box-shadow: 0 4px 30px rgba(21, 119, 255, 0.15);
}

.nav {
    padding: var(--space-4) 0;
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo {
    height: 4rem;
    width: auto;
}

.brand-text {
    font-family: var(--font-tech);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-base);
    position: relative;
    transition: color var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-blue);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent-blue);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    background: rgba(21, 119, 255, 0.1);
    border-radius: var(--radius-full);
    padding: 4px;
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid rgba(21, 119, 255, 0.2);
}

.lang-btn {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    border: none;
    color: var(--gray-600);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    font-family: var(--font-primary);
    text-decoration: none;
}

.lang-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 0 15px rgba(74, 144, 226, 0.4);
}

.lang-btn:hover:not(.active) {
    color: var(--accent-blue);
    background: rgba(74, 144, 226, 0.1);
}

/* Hero Section - 主视觉区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 248, 255, 0.8) 50%, rgba(225, 245, 254, 0.9) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.robot-showcase {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 450px;
    height: 450px;
    z-index: 2;
    opacity: 0;
    animation: robotShowcaseFadeIn 1.5s ease-out 0.8s forwards;
}

@keyframes robotShowcaseFadeIn {
    0% {
        opacity: 0;
        transform: translateY(-50%) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
}

.robot-showcase::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--gradient-cyber);
    border-radius: 50%;
    animation: robotPulse 4s ease-in-out infinite;
    filter: blur(20px);
    opacity: 0.7;
}

.robot-showcase::after {
    content: '🤖';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 15rem;
    z-index: 3;
    animation: robotFloat 6s ease-in-out infinite;
}

.robot-element {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-accent);
    opacity: 0.6;
    animation: robotOrbit 20s linear infinite;
}

.robot-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 30%;
    animation-delay: 0s;
}

.robot-2 {
    width: 60px;
    height: 60px;
    top: 70%;
    right: 20%;
    animation-delay: -7s;
}

.robot-3 {
    width: 100px;
    height: 100px;
    bottom: 30%;
    left: 10%;
    animation-delay: -14s;
}

@keyframes robotOrbit {
    0% {
        transform: rotate(0deg) translateX(100px) rotate(0deg);
    }
    100% {
        transform: rotate(360deg) translateX(100px) rotate(-360deg);
    }
}

@keyframes robotPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes robotFloat {
    0%, 100% { transform: translate(-50%, -50%) translateY(0px); }
    50% { transform: translate(-50%, -50%) translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 70%;
    width: 100%;
    opacity: 0;
    animation: heroFadeIn 1.2s ease-out 0.3s forwards;
}

@keyframes heroFadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    margin-bottom: var(--space-8);
}

.title-main {
    display: block;
    font-family: var(--font-tech);
    font-size: var(--text-5xl);
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.title-chinese {
    display: block;
    font-size: var(--text-4xl);
    color: var(--white);
    margin-bottom: var(--space-6);
}

.hero-theme {
    margin: var(--space-6) 0;
    padding: var(--space-6);
    background: rgba(0, 212, 255, 0.1);
    border-left: 4px solid var(--accent-blue);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--backdrop-blur);
}

.theme-english {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: var(--space-2);
    font-family: var(--font-tech);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.theme-chinese {
    font-size: var(--text-xl);
    color: var(--gray-700);
}

.hero-subtitle {
    margin: var(--space-6) 0;
}

.subtitle-english,
.subtitle-chinese,
.subtitle-mission,
.subtitle-mission-chinese {
    font-size: var(--text-lg);
    color: var(--gray-600);
    margin-bottom: var(--space-2);
}

.subtitle-mission {
    color: var(--tech-orange);
    font-weight: 600;
}

.hero-info {
    display: flex;
    gap: var(--space-8);
    margin: var(--space-8) 0;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.info-label {
    font-size: var(--text-sm);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-tech);
}

.info-value {
    font-size: var(--text-xl);
    color: var(--accent-blue);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: var(--space-6);
    margin-top: var(--space-10);
    opacity: 0;
    animation: heroActionsFadeIn 0.8s ease-out 1.2s forwards;
}

.hero-actions .btn:nth-child(1) {
    animation-delay: 1.4s;
}

.hero-actions .btn:nth-child(2) {
    animation-delay: 1.6s;
}

@keyframes heroActionsFadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 章节样式 */
section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-12);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    animation: sectionTitleFadeIn 0.8s ease-out forwards;
}

@keyframes sectionTitleFadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: var(--text-xl);
    color: var(--gray-600);
    margin-bottom: var(--space-8);
}

/* About Section */
.about {
    /* background: var(--dark-surface); */
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHZpZXdCb3g9IjAgMCA0MCA0MCIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPGNpcmNsZSBjeD0iMjAiIGN5PSIyMCIgcj0iMSIgZmlsbD0iIzAwZDRmZiIgZmlsbC1vcGFjaXR5PSIwLjMiLz4KPC9zdmc+') repeat;
    opacity: 0.5;
    z-index: 1;
}

.about .container {
    position: relative;
    z-index: 2;
}

.about-intro {
    text-align: center;
    margin-bottom: var(--space-12);
}

.about-intro h3 {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-tech);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.about-intro h4 {
    color: var(--gray-700);
    font-weight: 500;
}

.intro-text {
    font-size: var(--text-lg);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.background-section {
    margin-bottom: var(--space-12);
    padding: var(--space-8);
    background: rgba(0, 212, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.background-section h4 {
    color: var(--accent-blue);
    font-family: var(--font-tech);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(21, 119, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    backdrop-filter: var(--backdrop-blur);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(21, 119, 255, 0.05);
    opacity: 0;
    transform: translateY(30px);
    animation: cardFadeIn 0.8s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes cardFadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    display: block;
}

.feature-card h3 {
    color: var(--accent-blue);
    margin-bottom: var(--space-4);
    font-family: var(--font-tech);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Speakers Section */
.speakers {
    background: rgba(248, 250, 252, 0.8);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.speaker-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(21, 119, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(21, 119, 255, 0.08);
}

.speaker-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.speaker-card:hover::after {
    opacity: 1;
}

.speaker-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
}

.speaker-image {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-6);
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
}

.speaker-image::before {
    content: '👤';
}

.speaker-card h3 {
    color: var(--accent-blue);
    font-family: var(--font-tech);
    margin-bottom: var(--space-3);
}

.speaker-card p {
    color: var(--gray-700);
}

/* Speakers Carousel */
.carousel-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.speakers-carousel {
    position: relative;
    width: 100%;
    height: 400px;
}

.speaker-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.speaker-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.speaker-slide.prev {
    transform: translateX(-100%);
}

.speaker-slide .speaker-card {
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(21, 119, 255, 0.2);
    border-radius: var(--radius-xl);
    backdrop-filter: var(--backdrop-blur);
    box-shadow: 0 4px 20px rgba(21, 119, 255, 0.1);
}

.speaker-slide .speaker-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    flex-shrink: 0;
}

.speaker-slide .speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-info {
    flex: 1;
    padding: var(--space-4);
}

.speaker-info h3 {
    font-size: var(--text-2xl);
    color: var(--accent-blue);
    margin-bottom: var(--space-2);
    font-weight: 600;
}

.speaker-title {
    font-size: var(--text-lg);
    color: var(--secondary-blue);
    margin-bottom: var(--space-4);
    font-weight: 500;
}

.speaker-bio {
    font-size: var(--text-base);
    color: var(--gray-600);
    line-height: 1.6;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.carousel-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    color: var(--white);
    font-size: var(--text-2xl);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(26, 75, 140, 0.3);
}

.carousel-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(74, 144, 226, 0.5);
}

.carousel-dots {
    display: flex;
    gap: var(--space-3);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(74, 144, 226, 0.3);
    cursor: pointer;
    transition: var(--transition-normal);
}

.dot.active {
    background: var(--accent-blue);
    box-shadow: 0 0 15px rgba(74, 144, 226, 0.6);
}

.dot:hover {
    background: var(--secondary-blue);
}

/* Agenda Section */
.agenda {
    background: rgba(248, 250, 252, 0.8);
    position: relative;
}

.agenda-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.tab-btn {
    padding: var(--space-4) var(--space-8);
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(21, 119, 255, 0.3);
    color: var(--gray-800);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-tech);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: var(--text-sm);
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-blue);
    transition: left var(--transition-normal);
    z-index: -1;
}

.tab-btn:hover::before,
.tab-btn.active::before {
    left: 0;
}

.tab-btn:hover,
.tab-btn.active {
    /* color: var(--white); */
    border-color: var(--primary-blue);
    box-shadow: 0 4px 20px rgba(21, 119, 255, 0.3);
}

.agenda-content {
    margin-top: var(--space-8);
}

.agenda-day {
    display: none;
}

.agenda-day.active {
    display: block;
}

.agenda-items {
    display: grid;
    gap: var(--space-6);
}

.agenda-item {
    background: rgba(255, 255, 255, 0.9);
    border-left: 4px solid var(--primary-blue);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    backdrop-filter: var(--backdrop-blur);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(21, 119, 255, 0.08);
    opacity: 0;
    transform: translateX(-30px);
    animation: agendaItemFadeIn 0.6s ease-out forwards;
}

.agenda-item:nth-child(1) { animation-delay: 0.1s; }
.agenda-item:nth-child(2) { animation-delay: 0.2s; }
.agenda-item:nth-child(3) { animation-delay: 0.3s; }
.agenda-item:nth-child(4) { animation-delay: 0.4s; }
.agenda-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes agendaItemFadeIn {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.agenda-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(21, 119, 255, 0.15);
}

.agenda-item .time {
    font-family: var(--font-tech);
    color: var(--primary-blue);
    font-weight: 600;
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.agenda-item .content h4 {
    color: var(--gray-900);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.agenda-item .content p {
    color: var(--gray-800);
    font-weight: 500;
    line-height: 1.6;
}

.agenda-topics,
.agenda-highlights {
    list-style: none;
    padding: 0;
}

.agenda-topics li,
.agenda-highlights li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid rgba(21, 119, 255, 0.2);
    color: var(--gray-800);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.agenda-topics li:hover,
.agenda-highlights li:hover {
    color: var(--primary-blue);
}

.agenda-topics li:last-child,
.agenda-highlights li:last-child {
    border-bottom: none;
}

.cta-info {
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: rgba(157, 78, 221, 0.1);
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--cyber-purple);
    font-family: var(--font-tech);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Exhibition Section */
.exhibition {
    background: rgba(248, 250, 252, 0.8);
}

/* Media Partners Carousel */
.media-section {
    margin-bottom: var(--space-16);
}

.media-section h3 {
    text-align: center;
    color: var(--accent-blue);
    font-family: var(--font-tech);
    margin-bottom: var(--space-8);
    font-size: var(--text-2xl);
}

.media-carousel {
    overflow: hidden;
    position: relative;
    background: rgba(26, 75, 140, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.media-track {
    display: flex;
    gap: var(--space-6);
    animation: mediaScroll 30s linear infinite;
}

.media-track:hover {
    animation-play-state: paused;
}

.media-item {
    flex-shrink: 0;
    width: 200px;
    text-align: center;
    background: rgba(26, 75, 140, 0.1);
    border: 1px solid rgba(74, 144, 226, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: var(--transition-normal);
}

.media-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.3);
}

.media-item img,
.media-placeholder {
    width: 100%;
    height: 80px;
    object-fit: contain;
    margin-bottom: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.media-item p {
    font-size: var(--text-sm);
    color: var(--gray-700);
    font-weight: 500;
}

@keyframes mediaScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
}

.exhibition-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    display: block;
}

.exhibition-gallery {
    margin-bottom: var(--space-12);
    text-align: center;
}

.exhibition-images {
    background: rgba(0, 255, 136, 0.1);
    padding: var(--space-12);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.image-placeholder {
    font-size: var(--text-3xl);
    color: var(--neon-green);
    font-family: var(--font-tech);
}

.exhibition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
}

.exhibition-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(21, 119, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(21, 119, 255, 0.08);
    opacity: 0;
    transform: scale(0.9);
    animation: exhibitionFadeIn 0.8s ease-out forwards;
}

.exhibition-card:nth-child(1) { animation-delay: 0.1s; }
.exhibition-card:nth-child(2) { animation-delay: 0.2s; }
.exhibition-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes exhibitionFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.exhibition-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.exhibition-card:hover::before {
    opacity: 1;
}

.exhibition-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-green);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.exhibition-card h3 {
    color: var(--primary-blue);
    font-family: var(--font-tech);
    margin-bottom: var(--space-4);
}

.exhibition-card p {
    color: var(--gray-600);
}

/* Registration Section */
.registration {
    background: rgba(248, 250, 252, 0.8);
    position: relative;
}

.registration-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.pricing-info {
    margin-bottom: var(--space-8);
}

.price-card {
    background: rgba(255, 215, 0, 0.1);
    border: 2px solid var(--gold-accent);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.price-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 215, 0, 0.3), transparent);
    animation: rotate 4s linear infinite;
}

.price-card::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
    /* background: var(--dark-surface); */
    border-radius: var(--radius-xl);
    z-index: 1;
}

.price-card > * {
    position: relative;
    z-index: 2;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.price-card.featured {
    transform: scale(1.05);
}

.price-card h3 {
    color: var(--gold-accent);
    font-family: var(--font-tech);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.discount {
    color: var(--tech-orange);
    font-weight: 600;
    margin-bottom: var(--space-4);
    font-family: var(--font-tech);
}

.chinese-text {
    color: var(--gray-700);
    margin-bottom: var(--space-6);
}

.price {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--gold-accent);
    margin: var(--space-6) 0;
    font-family: var(--font-tech);
}

.registration-form {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(21, 119, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    backdrop-filter: var(--backdrop-blur);
    box-shadow: 0 4px 20px rgba(21, 119, 255, 0.08);
}

.registration-form h3 {
    color: var(--accent-blue);
    font-family: var(--font-tech);
    text-align: center;
    margin-bottom: var(--space-8);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    color: var(--gray-700);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-tech);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(21, 119, 255, 0.3);
    border-radius: var(--radius-md);
    color: var(--gray-800);
    font-size: var(--text-base);
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(21, 119, 255, 0.3);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
}

.field-error {
    color: #ef4444;
    font-size: var(--text-sm);
    margin-top: var(--space-1);
    display: block;
}

.media-cooperation {
    grid-column: 1 / -1;
    margin-top: var(--space-12);
    padding: var(--space-8);
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--gold-accent);
    border-radius: var(--radius-xl);
    text-align: center;
}

.media-cooperation h3 {
    color: var(--gold-accent);
    font-family: var(--font-tech);
}

/* Contact Section */
.contact {
    background: rgba(248, 250, 252, 0.8);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.contact-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(21, 119, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(21, 119, 255, 0.08);
    opacity: 0;
    transform: translateY(30px);
    animation: contactFadeIn 0.6s ease-out forwards;
}

.contact-card:nth-child(1) { animation-delay: 0.1s; }
.contact-card:nth-child(2) { animation-delay: 0.2s; }
.contact-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes contactFadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 107, 53, 0.1));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.contact-card:hover::before {
    opacity: 1;
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-glow);
}

.contact-card h3,
.contact-card h4 {
    color: var(--accent-blue);
    font-family: var(--font-tech);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 2;
}

.contact-card p {
    color: var(--gray-600);
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 2;
}

.contact-card a {
    color: var(--tech-orange);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-card a:hover {
    color: var(--accent-blue);
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.95);
    border-top: 1px solid rgba(21, 119, 255, 0.2);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-logo img {
    height: 4rem;
    margin-bottom: var(--space-4);
}

.footer-logo p {
    color: var(--gray-600);
    font-family: var(--font-tech);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-contact p {
    color: var(--gray-600);
    margin-bottom: var(--space-2);
}

.footer-bottom {
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    padding-top: var(--space-6);
    text-align: center;
    color: var(--gray-500);
    font-size: var(--text-sm);
}

/* 通知系统 */
.notification {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    max-width: 400px;
    z-index: 9999;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-normal);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-content {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--accent-blue);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-glow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    backdrop-filter: var(--backdrop-blur);
}

.notification-success .notification-content {
    border-color: var(--neon-green);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.notification-error .notification-content {
    border-color: var(--tech-orange);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.notification-message {
    color: var(--gray-800);
    font-size: var(--text-sm);
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: var(--text-lg);
    margin-left: var(--space-3);
    transition: color var(--transition-fast);
}

.notification-close:hover {
    color: var(--gray-800);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .language-switcher {
        order: -1;
        margin-bottom: var(--space-4);
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(26, 75, 140, 0.95);
        backdrop-filter: var(--backdrop-blur);
        flex-direction: column;
        padding: var(--space-8);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .robot-showcase {
        position: relative;
        top: auto;
        right: auto;
        transform: none;
        margin: var(--space-8) auto 0;
    }
    
    .title-main {
        font-size: var(--text-4xl);
    }
    
    .title-chinese {
        font-size: var(--text-3xl);
    }
    
    .hero-info {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .agenda-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .registration-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

/* 特殊动画效果 */
@keyframes glitch {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-2px); }
    40% { transform: translateX(2px); }
    60% { transform: translateX(-2px); }
    80% { transform: translateX(2px); }
}

.glitch-effect {
    animation: glitch 0.3s ease-in-out;
}

/* 滚动动画增强版 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.animate {
    opacity: 1;
    transform: translateY(0);
}

/* 淡入动画变体 */
.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.animate {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-down {
    opacity: 0;
    transform: translateY(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-down.animate {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left.animate {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-right.animate {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-scale.animate {
    opacity: 1;
    transform: scale(1);
}

/* 惊艳的交互动画效果 */
.interactive-glow {
    position: relative;
    overflow: hidden;
}

.interactive-glow::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--accent-blue), transparent, var(--secondary-blue), transparent);
    animation: rotateGlow 4s linear infinite;
    z-index: -1;
    opacity: 0.3;
}

@keyframes rotateGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 文字打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--accent-blue);
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--accent-blue); }
}

/* 磁场扭曲效果 */
.magnetic-field {
    position: relative;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.magnetic-field:hover {
    transform: scale(1.05) rotate(2deg);
    filter: drop-shadow(0 0 20px var(--accent-blue));
}

/* 波纹扩散效果 */
.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(74, 144, 226, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple-effect:hover::after {
    width: 300px;
    height: 300px;
}

/* 数据流动画 */
.data-stream {
    position: relative;
    overflow: hidden;
}

.data-stream::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    animation: dataFlow 2s linear infinite;
}

@keyframes dataFlow {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 全息投影效果 */
.hologram {
    position: relative;
    background: linear-gradient(45deg, transparent 30%, rgba(74, 144, 226, 0.1) 50%, transparent 70%);
    background-size: 20px 20px;
    animation: hologramScan 3s linear infinite;
}

@keyframes hologramScan {
    0% { background-position: 0 0; }
    100% { background-position: 40px 40px; }
}

/* 量子涟漪效果 */
.quantum-ripple {
    position: relative;
}

.quantum-ripple::before,
.quantum-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-blue);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: quantumPulse 2s ease-in-out infinite;
}

.quantum-ripple::after {
    animation-delay: 1s;
}

@keyframes quantumPulse {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(4);
        opacity: 0;
    }
}

/* 能量充电效果 */
.energy-charge {
    position: relative;
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--accent-blue) 50%, var(--primary-dark) 100%);
    background-size: 200% 100%;
    animation: energyFlow 2s ease-in-out infinite;
}

@keyframes energyFlow {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* 神经网络连接动画 */
.neural-network {
    position: relative;
    overflow: hidden;
}

.neural-network::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, var(--accent-blue) 2px, transparent 2px),
        radial-gradient(circle at 80% 20%, var(--secondary-blue) 2px, transparent 2px),
        radial-gradient(circle at 50% 80%, var(--light-blue) 2px, transparent 2px);
    background-size: 100px 100px;
    opacity: 0.6;
    animation: neuralPulse 4s ease-in-out infinite;
}

@keyframes neuralPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* ==========================================================================
   页面特定样式
   ========================================================================== */

/* 页面标题区域 */
.page-hero {
    background: var(--gradient-hero);
    color: var(--white);
    padding: var(--space-20) 0 var(--space-16);
    text-align: center;
    position: relative;
    overflow: hidden;
    /* 确保文字层级在最顶层 */
    z-index: 10;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: heroParticles 20s ease-in-out infinite;
    z-index: 1;
}

.page-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(21, 119, 255, 0.8) 0%, rgba(45, 91, 160, 0.9) 50%, rgba(13, 42, 82, 0.95) 100%);
    z-index: 2;
}

@keyframes heroParticles {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.page-title {
    font-size: var(--text-5xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 10;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    /* 添加渐变文字效果 */
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* 确保在不支持渐变文字的浏览器中显示白色 */
    color: var(--white);
}

/* 为不支持背景裁剪的浏览器提供备选方案 */
@supports not (-webkit-background-clip: text) {
    .page-title {
        color: var(--white) !important;
        background: none !important;
    }
}

.page-subtitle {
    font-size: var(--text-xl);
    opacity: 0.95;
    position: relative;
    z-index: 10;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* 注册页面样式 */
.registration-page {
    padding: var(--space-16) 0;
}

.registration-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.pricing-info {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
}

.price-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.price-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.price-card.featured {
    border-color: var(--primary-blue);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.price-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(21, 119, 255, 0.05) 0%, transparent 100%);
    z-index: 0;
}

.price-card > * {
    position: relative;
    z-index: 1;
}

.price-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    color: var(--primary-blue);
}

.discount {
    background: var(--gold-accent);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--space-2);
}

.price {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--primary-blue);
    margin: var(--space-4) 0;
}

.original-price {
    font-size: var(--text-lg);
    color: var(--gray-500);
    text-decoration: line-through;
    margin-bottom: var(--space-4);
}

.benefits {
    list-style: none;
    text-align: left;
}

.benefits li {
    padding: var(--space-2) 0;
    color: var(--gray-700);
}

.registration-form-section {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
}

.registration-form {
    margin-top: var(--space-6);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(21, 119, 255, 0.1);
}

.registration-info {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.info-item {
    padding: var(--space-4);
    border-left: 4px solid var(--primary-blue);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.info-item h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

/* 赞助页面样式 */
.sponsor-page {
    padding: var(--space-16) 0;
}

.sponsor-intro,
.sponsor-benefits,
.sponsor-packages,
.custom-sponsor,
.sponsor-contact {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-8);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.benefit-card {
    text-align: center;
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

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

.benefit-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.package-card {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    transition: var(--transition-normal);
}

.package-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-glow);
}

.package-card.platinum {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(21, 119, 255, 0.05) 0%, var(--white) 100%);
}

.package-card.gold {
    border-color: var(--gold-accent);
    background: linear-gradient(135deg, rgba(246, 173, 85, 0.05) 0%, var(--white) 100%);
}

.package-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
}

.package-price {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--primary-blue);
}

.package-benefits {
    list-style: none;
}

.package-benefits li {
    padding: var(--space-2) 0;
    color: var(--gray-700);
}

.custom-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.custom-option {
    padding: var(--space-4);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-blue);
}

.contact-info {
    background: var(--gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    margin-top: var(--space-6);
}

.contact-person h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

/* 演讲者页面样式 */
.speakers-page {
    padding: var(--space-16) 0;
}

.speakers-intro,
.more-speakers,
.speaker-application {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-8);
}

.speakers-grid {
    display: grid;
    gap: var(--space-8);
}

.speaker-card-detailed {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-6);
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.speaker-card-detailed:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.speaker-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--white);
    font-size: var(--text-5xl);
    height: 200px;
}

.speaker-placeholder {
    font-size: var(--text-5xl);
}

.speaker-info h3 {
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

.speaker-company {
    color: var(--gray-600);
    font-weight: 500;
    margin-bottom: var(--space-4);
}

.speaker-bio {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.speaker-topics h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

.speaker-topics ul {
    list-style: none;
}

.speaker-topics li {
    color: var(--gray-700);
    padding: var(--space-1) 0;
}

.organizations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.org-card {
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.org-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

.org-card ul {
    list-style: none;
}

.org-card li {
    padding: var(--space-1) 0;
    color: var(--gray-700);
}

.application-info {
    background: var(--gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    margin: var(--space-6) 0;
}

.application-info h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

.application-info ul {
    list-style: none;
}

.application-info li {
    padding: var(--space-1) 0;
    color: var(--gray-700);
}

/* 合作伙伴页面样式 */
.partnership-page {
    padding: var(--space-16) 0;
}

.partnership-intro,
.partner-section {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-8);
}

.media-partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.media-partner-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.media-partner-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.media-logo {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.strategic-partners {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.partner-category {
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.partner-category h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

.partner-category ul {
    list-style: none;
}

.partner-category li {
    padding: var(--space-1) 0;
    color: var(--gray-700);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.benefit-item {
    text-align: center;
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.benefit-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.partnership-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.type-card {
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.type-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

.type-card ul {
    list-style: none;
}

.type-card li {
    padding: var(--space-1) 0;
    color: var(--gray-700);
}

/* 酒店页面样式 */
.hotel-page {
    padding: var(--space-16) 0;
}

.hotel-intro,
.hotels-section,
.booking-section,
.transportation-section {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-8);
}

.hotel-gallery {
    margin: var(--space-8) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--space-4);
    height: 400px;
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.gallery-item.large {
    grid-row: 1 / 3;
}

.hotel-image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--text-2xl);
}

.hotel-image-placeholder span {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-2);
}

.hotel-card {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    transition: var(--transition-normal);
}

.hotel-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-glow);
}

.hotel-card.featured {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(21, 119, 255, 0.05) 0%, var(--white) 100%);
}

.hotel-rating {
    font-size: var(--text-lg);
    margin: var(--space-2) 0;
}

.hotel-details {
    margin: var(--space-4) 0;
}

.hotel-details p {
    margin-bottom: var(--space-2);
    color: var(--gray-700);
}

.hotel-features {
    margin: var(--space-4) 0;
}

.hotel-features h5 {
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

.hotel-features ul {
    list-style: none;
}

.hotel-features li {
    padding: var(--space-1) 0;
    color: var(--gray-700);
}

.hotel-pricing {
    background: var(--gray-50);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-top: var(--space-4);
}

.discount-note {
    font-size: var(--text-sm);
    color: var(--gray-600);
    font-style: italic;
}

.hotels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.hotel-brief {
    margin-top: var(--space-4);
}

.hotel-brief p {
    margin-bottom: var(--space-2);
    color: var(--gray-700);
}

.booking-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-top: var(--space-6);
}

.booking-benefits,
.booking-process {
    background: var(--gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
}

.booking-benefits h4,
.booking-process h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

.booking-benefits ul,
.booking-process ol {
    margin-left: var(--space-4);
}

.booking-benefits li,
.booking-process li {
    padding: var(--space-1) 0;
    color: var(--gray-700);
}

.transport-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.transport-card {
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.transport-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

/* 联系我们页面样式 */
.contact-page {
    padding: var(--space-16) 0;
}

.contact-intro,
.main-contact,
.specific-contacts,
.service-categories {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-8);
}

.contact-info-card {
    background: var(--gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    margin-top: var(--space-6);
}

.contact-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.contact-header h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

.contact-subtitle {
    color: var(--gray-600);
    font-style: italic;
}

.contact-details {
    display: grid;
    gap: var(--space-4);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.contact-icon {
    font-size: var(--text-xl);
    width: 30px;
    text-align: center;
}

.contact-text {
    color: var(--gray-700);
}

.contact-text a {
    color: var(--primary-blue);
    text-decoration: none;
}

.contact-text a:hover {
    text-decoration: underline;
}

.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-6);
}

.contact-person-card {
    background: var(--gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.person-info {
    text-align: center;
    margin-bottom: var(--space-4);
}

.person-info h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-1);
}

.person-role {
    color: var(--gray-600);
    font-weight: 500;
}

.person-details {
    margin-bottom: var(--space-4);
}

.person-services h5 {
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

.person-services ul {
    list-style: none;
}

.person-services li {
    padding: var(--space-1) 0;
    color: var(--gray-700);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.service-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

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

.service-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.service-card h4 {
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

.service-card p {
    color: var(--gray-700);
    margin-bottom: var(--space-4);
}

.service-contact {
    background: var(--white);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.service-contact a {
    color: var(--primary-blue);
    text-decoration: none;
}

.service-contact a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-title {
        font-size: var(--text-4xl);
    }
    
    .registration-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .price-cards {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .speaker-card-detailed {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 200px);
        height: auto;
    }
    
    .gallery-item.large {
        grid-row: auto;
    }
    
    .booking-info {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .contacts-grid {
        grid-template-columns: 1fr;
    }
}

/* 工具类 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }

/* 通知系统样式 */
.notification-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 9999;
    pointer-events: none;
}

.notification {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-3);
    min-width: 300px;
    max-width: 400px;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-normal);
    pointer-events: auto;
    border-left: 4px solid var(--primary-blue);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-success {
    border-left-color: #10b981;
}

.notification-error {
    border-left-color: #ef4444;
}

.notification-warning {
    border-left-color: #f59e0b;
}

.notification-content {
    padding: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.notification-message {
    font-size: var(--text-sm);
    color: var(--gray-800);
    margin-right: var(--space-3);
}

.notification-close {
    background: none;
    border: none;
    font-size: var(--text-lg);
    color: var(--gray-500);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.notification-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* 加载状态样式 */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-blue);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 滚动动画样式 */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.animate-fadeIn {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate.animate-slideUp {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate.animate-slideLeft {
    opacity: 1;
    transform: translateX(0);
}

.scroll-animate.animate-slideRight {
    opacity: 1;
    transform: translateX(0);
}

/* 表单错误样式增强 */
.form-group {
    position: relative;
    margin-bottom: var(--space-5);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.field-error {
    position: absolute;
    bottom: -20px;
    left: 0;
    font-size: var(--text-xs);
    color: #ef4444;
    background: var(--white);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 响应式图片和媒体 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.image-placeholder {
    background: var(--gray-100);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--gray-500);
    font-size: var(--text-sm);
    text-align: center;
}

/* 增强的卡片样式 */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    padding: var(--space-6);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.card-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--gray-200);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.card-content {
    margin-bottom: var(--space-4);
}

.card-footer {
    padding-top: var(--space-3);
    border-top: 1px solid var(--gray-200);
}

/* 标签样式 */
.tag {
    display: inline-block;
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    margin-right: var(--space-2);
    margin-bottom: var(--space-2);
}

.tag-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

.tag-gray {
    background: var(--gray-200);
    color: var(--gray-700);
}

/* 分隔线样式 */
.divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--space-8) 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--gray-200);
    margin: 0 var(--space-4);
}

/* 骨架屏样式 */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 1.5em;
    margin-bottom: 1em;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

/* 工具类样式 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 可访问性增强 */
.focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .notification {
        transition: none;
    }
    
    .card {
        transition: none;
    }
    
    .skeleton {
        animation: none;
    }
}

/* 打印样式 */
@media print {
    .notification-container,
    .nav-toggle,
    .btn,
    .particles {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--gray-400);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .notification {
        border: 2px solid var(--gray-400);
    }
}

/* 在线咨询表单样式优化 */
.contact-form-section {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    margin: var(--space-12) 0;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.contact-form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.contact-form-section h3 {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    text-align: center;
    position: relative;
}

.contact-form-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: var(--radius-full);
}

.contact-form-section > p {
    text-align: center;
    color: var(--gray-600);
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.form-group {
    position: relative;
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    letter-spacing: 0.025em;
    transition: color var(--transition-fast);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    transition: all var(--transition-normal);
    background: var(--white);
    font-family: var(--font-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(21, 119, 255, 0.1), 0 4px 6px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.form-group input:focus + label,
.form-group select:focus + label,
.form-group textarea:focus + label {
    color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: var(--space-10);
    appearance: none;
}

.form-group select option {
    padding: var(--space-2);
}

/* 表单提交按钮增强 */
.contact-form .btn {
    width: 100%;
    padding: var(--space-5) var(--space-8);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-top: var(--space-4);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
    box-shadow: 0 10px 15px -3px rgba(21, 119, 255, 0.3), 0 4px 6px -2px rgba(21, 119, 255, 0.05);
}

.contact-form .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.contact-form .btn:hover::before {
    left: 100%;
}

.contact-form .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(21, 119, 255, 0.4), 0 10px 10px -5px rgba(21, 119, 255, 0.1);
}

.contact-form .btn:active {
    transform: translateY(0);
}

/* 表单验证样式 */
.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
    border-color: #ef4444;
    background-color: #fef2f2;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group input.valid,
.form-group select.valid,
.form-group textarea.valid {
    border-color: #10b981;
    background-color: #f0f9ff;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group .validation-message {
    position: absolute;
    bottom: -24px;
    left: 0;
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.form-group .validation-message.error {
    color: #ef4444;
    border-left: 3px solid #ef4444;
}

.form-group .validation-message.success {
    color: #10b981;
    border-left: 3px solid #10b981;
}

/* 工作时间样式优化 */
.office-hours {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-top: var(--space-12);
    border: 1px solid var(--gray-200);
}

.office-hours h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    text-align: center;
}

.hours-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.hours-item {
    text-align: center;
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.hours-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.hours-item h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

.hours-item p {
    color: var(--gray-700);
    font-weight: 500;
}

.hours-note {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
    color: #92400e;
    font-size: var(--text-sm);
}

.hours-note strong {
    color: #78350f;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-form-section {
        padding: var(--space-6);
        margin: var(--space-8) 0;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-form-section h3 {
        font-size: var(--text-2xl);
    }
    
    .hours-info {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .office-hours {
        padding: var(--space-6);
        margin-top: var(--space-8);
    }
}

@media (max-width: 480px) {
    .contact-form-section {
        padding: var(--space-4);
        border-radius: var(--radius-lg);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--space-3);
    }
    
    .contact-form .btn {
        padding: var(--space-4) var(--space-6);
        font-size: var(--text-base);
    }
}

/* 加载状态样式 */
.contact-form.loading .btn {
    pointer-events: none;
    position: relative;
    color: transparent;
}

.contact-form.loading .btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* 表单动画效果 */
.form-group {
    animation: slideInUp 0.6s ease-out forwards;
    opacity: 0;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }

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

/* 联系表单样式微调和修复 */
.contact-form-section .form-group .validation-message {
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 修复通知系统类名兼容性 */
.notification.notification-success,
.notification-success {
    border-left: 4px solid #10b981;
}

.notification.notification-error,
.notification-error {
    border-left: 4px solid #ef4444;
}

.notification.notification-info,
.notification-info {
    border-left: 4px solid var(--primary-blue);
}

.notification.notification-warning,
.notification-warning {
    border-left: 4px solid #f59e0b;
}

/* 联系表单的微交互效果 */
.contact-form input:not(:placeholder-shown) + label,
.contact-form textarea:not(:placeholder-shown) + label,
.contact-form select:not([value=""]) + label {
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* 表单字段聚焦时的标签效果 */
.form-group:has(input:focus) label,
.form-group:has(select:focus) label,
.form-group:has(textarea:focus) label {
    color: var(--primary-blue);
    font-weight: 600;
}

/* 改进的表单布局 */
.contact-form-section .form-row:last-of-type {
    margin-bottom: var(--space-8);
}

/* 提交按钮的进度指示器 */
.contact-form .btn.loading {
    background: var(--gray-400);
    cursor: not-allowed;
}

/* 优化移动端表单体验 */
@media (max-width: 640px) {
    .contact-form-section {
        margin: var(--space-6) -var(--space-4);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    .contact-form .btn {
        font-size: var(--text-lg);
        padding: var(--space-5);
    }
}

/* 表单无障碍改进 */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.form-group label::after {
    content: " *";
    color: #ef4444;
    font-weight: 500;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-group:has([required]) label::after {
    opacity: 1;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .page-hero {
        background: #000000 !important;
    }
    
    .page-title {
        color: #ffffff !important;
        background: none !important;
        -webkit-text-fill-color: #ffffff !important;
        text-shadow: none !important;
    }
    
    .page-subtitle {
        color: #ffffff !important;
        opacity: 1 !important;
        text-shadow: none !important;
    }
    
    .contact-form-section {
        border: 2px solid var(--gray-900);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        border-width: 2px;
        border-color: var(--gray-900);
    }
    
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        border-color: var(--primary-blue);
        box-shadow: 0 0 0 3px var(--primary-blue);
    }
}

/* 减少动画偏好设置下的页首优化 */
@media (prefers-reduced-motion: reduce) {
    .page-hero::before,
    .page-hero::after {
        animation: none !important;
    }
    
    .page-title::before {
        display: none;
    }
}

/* 确保页首在所有主题下的可访问性 */
@media (prefers-color-scheme: dark) {
    .page-hero {
        background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a2a2a 100%) !important;
    }
    
    .page-title,
    .page-subtitle {
        color: #ffffff !important;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8) !important;
    }
}

/* 酒店住宿页面样式修复 */
.hotel-contact {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-8);
    border: 1px solid var(--gray-200);
}

.hotel-contact h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
    text-align: center;
    position: relative;
}

.hotel-contact h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: var(--radius-full);
}

.hotel-contact > p {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--space-6);
    font-size: var(--text-lg);
}

.hotel-contact .contact-info {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.hotel-contact .contact-person {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    max-width: 400px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--primary-blue);
}

.hotel-contact .contact-person h4 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-2);
}

.hotel-contact .contact-person p {
    margin-bottom: var(--space-2);
    color: var(--gray-700);
    font-weight: 500;
}

.hotel-contact .contact-person a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
}

.hotel-contact .contact-person a:hover {
    text-decoration: underline;
}

.booking-note {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-top: var(--space-6);
}

.booking-note p {
    font-weight: 600;
    color: #92400e;
    margin-bottom: var(--space-4);
}

.booking-note ul {
    list-style: none;
    margin-left: 0;
}

.booking-note li {
    padding: var(--space-1) 0;
    color: #78350f;
    font-weight: 500;
}

/* 合作伙伴页面样式修复 */
.partner-contact {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    margin: var(--space-12) 0;
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.partner-contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.partner-contact h3 {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    text-align: center;
    position: relative;
}

.partner-contact h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: var(--radius-full);
}

.partner-contact > p {
    text-align: center;
    color: var(--gray-600);
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.partner-contact .contact-info {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-8);
}

.partner-contact .contact-person {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    text-align: center;
    max-width: 500px;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--primary-blue);
    transition: all var(--transition-normal);
}

.partner-contact .contact-person:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
}

.partner-contact .contact-person h4 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-3);
}

.partner-contact .contact-person p {
    margin-bottom: var(--space-3);
    color: var(--gray-700);
    font-weight: 500;
    line-height: 1.6;
}

.partner-contact .contact-person a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.partner-contact .contact-person a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.partnership-cta {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 10px 15px rgba(21, 119, 255, 0.3);
}

.partnership-cta p {
    font-size: var(--text-lg);
    font-weight: 600;
    margin: 0;
    letter-spacing: 0.025em;
}

/* 嘉宾阵容页面样式修复 */
.speakers-page {
    padding: var(--space-16) 0;
}

.speakers-intro {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-12);
    text-align: center;
}

.speakers-grid {
    display: grid;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.speaker-card-detailed {
    background: var(--white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    border: 1px solid var(--gray-200);
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--space-6);
    transition: all var(--transition-normal);
}

.speaker-card-detailed:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-blue);
}

.speaker-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.speaker-placeholder {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-5xl);
    color: var(--white);
    box-shadow: 0 10px 15px rgba(21, 119, 255, 0.3);
}

.speaker-info h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.speaker-company {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

.speaker-bio {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    font-size: var(--text-base);
}

.speaker-topics {
    background: var(--gray-50);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.speaker-topics h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-3);
}

.speaker-topics ul {
    list-style: none;
    margin: 0;
}

.speaker-topics li {
    padding: var(--space-1) 0;
    color: var(--gray-700);
    font-weight: 500;
}

/* 更多重磅嘉宾部分样式 */
.more-speakers {
    background: var(--white);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    margin-bottom: var(--space-12);
    border: 1px solid var(--gray-200);
}

.more-speakers h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
    text-align: center;
    position: relative;
}

.more-speakers h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: var(--radius-full);
}

.more-speakers > p {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    font-size: var(--text-lg);
}

.organizations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.org-card {
    background: var(--gray-50);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--primary-blue);
}

.org-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    background: var(--white);
}

.org-card h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.org-card ul {
    list-style: none;
    margin: 0;
}

.org-card li {
    padding: var(--space-2) 0;
    color: var(--gray-700);
    font-weight: 500;
    border-bottom: 1px solid var(--gray-200);
    transition: color var(--transition-fast);
}

.org-card li:last-child {
    border-bottom: none;
}

.org-card li:hover {
    color: var(--primary-blue);
}

/* 申请演讲部分样式 */
.speaker-application {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: var(--space-10);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-tech);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.speaker-application::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.speaker-application h3 {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
    text-align: center;
}

.speaker-application > p {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--space-6);
    font-size: var(--text-lg);
}

.application-info {
    background: var(--white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    border: 1px solid var(--gray-200);
}

.application-info h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--space-4);
}

.application-info ul {
    list-style: none;
    margin: 0;
}

.application-info li {
    padding: var(--space-2) 0;
    color: var(--gray-700);
    font-weight: 500;
}

.speaker-application .contact-info {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
}

.speaker-application .contact-info p {
    margin-bottom: var(--space-2);
}

.speaker-application .contact-info strong {
    font-size: var(--text-lg);
    display: block;
    margin-bottom: var(--space-2);
}

.speaker-application .contact-info a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
}

.speaker-application .contact-info a:hover {
    text-decoration: underline;
}

/* 页首标题增强样式 */
.page-hero .container {
    position: relative;
    z-index: 10;
}

/* 为页首标题添加额外的视觉效果 */
.page-title::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    border-radius: var(--radius-full);
}

/* 页首响应式优化 */
@media (max-width: 1024px) {
    .page-hero {
        padding: var(--space-16) 0 var(--space-12);
    }
    
    .page-title {
        font-size: var(--text-4xl);
    }
    
    .page-subtitle {
        font-size: var(--text-lg);
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding: var(--space-12) 0 var(--space-10);
    }
    
    .page-title {
        font-size: var(--text-3xl);
        margin-bottom: var(--space-3);
    }
    
    .page-subtitle {
        font-size: var(--text-base);
    }
    
    .speaker-card-detailed {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-4);
    }
    
    .speaker-placeholder {
        width: 100px;
        height: 100px;
        font-size: var(--text-4xl);
        margin: 0 auto;
    }
    
    .organizations-grid {
        grid-template-columns: 1fr;
    }
    
    .hotel-contact .contact-person,
    .partner-contact .contact-person {
        max-width: 100%;
    }
    
    .speakers-grid {
        gap: var(--space-6);
    }
    
    .more-speakers,
    .speaker-application,
    .partner-contact,
    .hotel-contact {
        padding: var(--space-6);
        margin: var(--space-8) 0;
    }
}

@media (max-width: 480px) {
    .page-hero {
        padding: var(--space-10) 0 var(--space-8);
    }
    
    .page-title {
        font-size: var(--text-2xl);
        line-height: 1.3;
        /* 在小屏幕上使用纯白色，确保最佳可读性 */
        background: none !important;
        -webkit-text-fill-color: var(--white) !important;
        color: var(--white) !important;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    }
    
    .page-subtitle {
        font-size: var(--text-sm);
        line-height: 1.4;
    }
    
    .speaker-card-detailed,
    .more-speakers,
    .speaker-application,
    .partner-contact,
    .hotel-contact {
        border-radius: var(--radius-lg);
        padding: var(--space-4);
    }
    
    .speaker-placeholder {
        width: 80px;
        height: 80px;
        font-size: var(--text-3xl);
    }
    
    .speaker-info h3 {
        font-size: var(--text-xl);
    }
    
    .org-card {
        padding: var(--space-4);
    }
}