/* ===== CSS Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors - 高级蓝紫色调 */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Secondary Colors - 金融绿色 */
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --secondary-light: #34d399;
    
    /* Accent Colors */
    --accent-color: #f59e0b;
    --accent-light: #fbbf24;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #1f2937;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ===== Buttons ===== */
.primary-btn, .join-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.primary-btn:hover, .join-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.primary-btn:active, .join-button:active {
    transform: translateY(0);
}

.primary-btn::before, .join-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.primary-btn:hover::before, .join-button:hover::before {
    left: 100%;
}

/* ===== Fixed CTA Button - 重新设计 ===== */
.fixed-cta {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: auto;
    pointer-events: none; /* 让容器不阻挡点击 */
    display: flex;
    justify-content: center;
    align-items: center;
}

.cta-button {
    display: block;
    width: 280px;
    max-width: calc(100vw - 40px);
    margin: 0 auto !important;
    padding: 16px 24px;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
    text-align: center;
    text-decoration: none;
    pointer-events: auto; /* 让按钮可以点击 */
    animation: float-button 3s ease-in-out infinite;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.cta-button:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.5);
}

.cta-button:active {
    transform: translateX(-50%) translateY(0);
}

@keyframes float-button {
    0%, 100% {
        transform: translateX(-50%) translateY(0px);
    }
    50% {
        transform: translateX(-50%) translateY(-3px);
    }
}

.cta-button i {
    margin-right: 8px;
}

.line-icon {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    vertical-align: middle;
}


/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 100;
    transition: all var(--transition-normal);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent);
    background-repeat: repeat;
    background-size: 100px 100px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    100% {
        transform: translateY(-100px);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl) 0;
}

.hero-left {
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.hero-title {
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.highlight {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text {
    background: linear-gradient(45deg, #ffffff, #e5e7eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cta-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Hero Right */
.hero-right {
    position: relative;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(10px);
    text-align: center;
    position: relative;
    z-index: 2;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2.5rem;
    color: var(--white);
}

.profile-info h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.profile-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.profile-tags {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
}

.tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-light);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.float-item {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    animation: floatY 3s ease-in-out infinite;
}

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

.stock-chart {
    top: 20%;
    right: -10%;
    color: var(--secondary-color);
    animation-delay: 0s;
}

.portfolio {
    top: 60%;
    left: -15%;
    color: var(--primary-color);
    animation-delay: 1s;
}

.dividend {
    bottom: 20%;
    right: -5%;
    color: var(--accent-color);
    animation-delay: 2s;
}

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

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-xl);
}

.achievement-badges {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.badge {
    background: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    font-weight: 600;
}

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

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-left: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.timeline-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.timeline-content h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--text-secondary);
}

/* ===== Benefits Section ===== */
.benefits {
    padding: var(--spacing-2xl) 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.benefit-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.benefit-highlight {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--secondary-color);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
}

/* ===== Investment Topics Section ===== */
.investment-topics {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.topics-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.topic-item {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: var(--spacing-2xl);
    align-items: center;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.topic-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.topic-item.reverse {
    grid-template-columns: 200px 1fr;
}

.topic-left {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.topic-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--white);
    flex-shrink: 0;
}

.topic-content h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.topic-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.topic-content ul {
    list-style: none;
    padding: 0;
}

.topic-content li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: var(--spacing-md);
}

.topic-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.topic-visual {
    width: 150px;
    height: 150px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
    margin: 0 auto;
    border-radius: 20px;
}

/* ===== Testimonials Section ===== */
.testimonials {
    padding: var(--spacing-2xl) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: var(--spacing-md);
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.testimonial-info h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.rating {
    display: flex;
    gap: 2px;
}

.rating i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.testimonial-card p {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.testimonial-result {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--secondary-color);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    width: fit-content;
}

/* ===== Join Section ===== */
.join {
    padding: var(--spacing-2xl) 0;
    background: var(--primary-gradient);
    color: var(--white);
}

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

.join-header h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.join-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.join-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

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

.join-cta {
    margin-bottom: var(--spacing-xl);
}

.join-button {
    font-size: 1.3rem;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.join-button:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.join-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.join-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
}

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

.join-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--spacing-xs);
}

.join-stats .stat-label {
    color: rgba(255, 255, 255, 0.8);
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-2xl);
    align-items: start;
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
}

.footer-left p {
    color: var(--gray-400);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
    font-size: 0.9rem;
}

/* ===== Testimonials Slider ===== */
.testimonials-slider {
    position: relative;
    overflow: hidden;
    display: none !important; /* 默认隐藏，只在移动端显示 */
    width: 100%;
    text-align: center;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.testimonials-track {
    display: flex;
    transition: transform 0.3s ease;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: flex-start;
    transform-origin: center;
    width: max-content;
}

.testimonials-slider .testimonial-card {
    min-width: 280px;
    max-width: 320px;
    flex-shrink: 0;
    margin: 0 auto;
    text-align: center;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.slider-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.slider-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.slider-btn:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
    transform: none;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-300);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

/* ===== Responsive Design ===== */
@media (max-width: 1024px) and (min-width: 769px) {
    /* 平板设备优化 */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .join-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
        width: 100%;
        max-width: 100%;
    }
    .header{
        display: none;
    }
    .nav-links {
        display: none;
    }
    
    /* Hero区域居中 */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
        align-items: center;
        justify-items: center;
    }
    
    .hero-left {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .hero-right {
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .hero-cta {
        width: 100%;
        align-items: center;
    }
    
    /* About区域居中 */
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
        align-items: center;
        justify-items: center;
    }
    
    .about-left,
    .about-right {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    /* 投资主题区域居中 */
    .topic-item,
    .topic-item.reverse {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
        align-items: center;
        justify-items: center;
    }
    
    .topic-left {
        flex-direction: column;
        align-items: center;
        text-align: center;
        width: 100%;
    }
    
    .topic-right {
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    /* 优化benefits网格布局 - 手机端显示2列并居中 */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        justify-items: center;
        align-items: stretch;
    }
    
    .benefit-card {
        padding: var(--spacing-md);
        text-align: center;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .benefit-card h3 {
        font-size: 1rem;
        text-align: center;
    }
    
    .benefit-card p {
        font-size: 0.9rem;
        text-align: center;
    }
    
    .benefit-icon {
        margin: 0 auto var(--spacing-md);
    }
    
    /* 手机端显示滑动器而不是网格 - 居中显示 */
    .testimonials-grid {
        display: none;
    }
    
    .testimonials-slider {
        display: block !important;
        text-align: center;
        width: 100%;
        margin: 0 auto;
        padding: 0 var(--spacing-sm);
        overflow: hidden;
    }
    
    .testimonials-track {
        justify-content: flex-start;
        align-items: center;
        width: max-content;
    }
    
    .testimonials-slider .testimonial-card {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 280px;
        margin: 0;
    }
    
    .testimonial-header {
        justify-content: center;
        align-items: center;
        text-align: center;
        width: 100%;
    }
    
    .testimonial-info {
        text-align: center;
        width: 100%;
    }
    
    .testimonial-info h4 {
        text-align: center;
    }
    
    .rating {
        justify-content: center;
    }
    
    .slider-controls {
        justify-content: center;
        width: 100%;
        margin-top: var(--spacing-md);
    }
    
    .slider-dots {
        justify-content: center;
        width: 100%;
        margin-top: var(--spacing-md);
    }
    
    /* 优化join区域布局 - 手机端显示2列并居中 */
    .join-content {
        text-align: center;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .join-features {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
        justify-items: center;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .feature-item {
        justify-content: center;
        text-align: center;
    }
    
    .join-cta {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .join-button {
        margin: 0 auto;
    }
    
    .join-stats {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        width: 100%;
    }
    
    /* Footer居中 */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
        justify-items: center;
    }
    
    .footer-left,
    .footer-right {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    /* 移动端固定按钮样式 */
    .fixed-cta {
        bottom: 15px;
    }
    
    .cta-button {
        width: calc(100vw - 30px);
        max-width: 350px;
        padding: 14px 20px;
        font-size: 15px;
        border-radius: 40px;
    }
    
    .floating-elements {
        display: none;
    }
    
    /* 为固定按钮预留空间 */
    body {
        padding-bottom: 90px;
    }
    
    /* 确保所有section标题居中 */
    .section-header {
        text-align: center;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .section-header h2,
    .section-header p {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 80vh;
    }
    
    .hero-content {
        padding: var(--spacing-xl) 0;
        text-align: center;
        align-items: center;
        justify-items: center;
    }
    
    .hero-left {
        align-items: center;
        text-align: center;
    }
    
    .hero-stats {
        gap: var(--spacing-sm);
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .stat-item {
        min-width: 80px;
        text-align: center;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .profile-card {
        padding: var(--spacing-md);
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .profile-avatar {
        width: 80px;
        height: 80px;
        font-size: 2rem;
        margin: 0 auto var(--spacing-md);
    }
    
    .image-placeholder {
        width: 200px;
        height: 200px;
        font-size: 3rem;
        margin: 0 auto var(--spacing-md);
    }
    
    .topic-visual {
        width: 120px;
        height: 120px;
        font-size: 2.5rem;
        margin: 0 auto;
    }
    
    /* 超小屏幕优化benefits布局 - 单列居中 */
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        justify-items: center;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .benefit-card {
        padding: var(--spacing-sm);
        text-align: center;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .benefit-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        margin: 0 auto var(--spacing-sm);
    }
    
    .benefit-card h3 {
        font-size: 0.9rem;
        text-align: center;
    }
    
    .benefit-card p {
        font-size: 0.8rem;
        text-align: center;
    }
    
    /* 超小屏幕join-features布局 - 单列居中 */
    .join-features {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
        gap: var(--spacing-sm);
        max-width: 250px;
        margin: 0 auto;
    }
    
    .feature-item {
        justify-content: center;
        text-align: center;
        width: 100%;
    }
    
    .join-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
        text-align: center;
    }
    
    .join-stats .stat-item {
        text-align: center;
    }
    
    .join-stats .stat-number {
        font-size: 2rem;
    }
    
    /* 滑动器在超小屏幕的优化 - 居中 */
    .testimonials-slider {
        text-align: center;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .testimonials-slider .testimonial-card {
        min-width: 260px;
        padding: var(--spacing-sm);
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        margin: 0 auto;
    }
    
    .testimonial-header {
        justify-content: center;
        text-align: center;
        width: 100%;
    }
    
    .testimonial-info {
        text-align: center;
    }
    
    .testimonial-info h4 {
        text-align: center;
    }
    
    .rating {
        justify-content: center;
    }
    
    .slider-controls {
        gap: var(--spacing-sm);
        justify-content: center;
        width: 100%;
    }
    
    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .slider-dots {
        justify-content: center;
        width: 100%;
    }
    
    /* 超小屏幕固定按钮样式 */
    .fixed-cta {
        bottom: 10px;
    }
    
    .cta-button {
        width: calc(100vw - 20px);
        max-width: 280px;
        padding: 12px 16px;
        font-size: 14px;
        border-radius: 30px;
    }
    
    .cta-button span {
        display: inline;
    }
    
    /* 确保所有文本内容居中 */
    .about-left,
    .about-right {
        text-align: center;
        align-items: center;
    }
    
    .timeline {
        text-align: left;
        max-width: 280px;
        margin: 0 auto;
    }
    
    .timeline-content {
        text-align: left;
    }
    
    .topic-content {
        text-align: center;
    }
    
    .topic-content h3,
    .topic-content p {
        text-align: center;
    }
    
    .topic-content ul {
        text-align: left;
        max-width: 200px;
        margin: 0 auto;
    }
}