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

body {
    font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.8) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(240, 248, 255, 0.9) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(230, 244, 255, 0.6) 0%, transparent 50%),
        linear-gradient(135deg, #f8fbff 0%, #f0f8ff 25%, #e6f3ff 50%, #ddeeff 75%, #d4e9ff 100%);
    min-height: 100vh;
    overflow-x: hidden;
    max-width: 480px;
    margin: 0 auto;
    position: relative;
}

/* 主容器限制为手机宽度 */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

/* 动画背景和褶纹效果 */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.animated-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.03) 2px,
            rgba(255, 255, 255, 0.03) 4px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 3px,
            rgba(173, 216, 230, 0.02) 3px,
            rgba(173, 216, 230, 0.02) 6px
        );
    animation: shimmer 20s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(173, 216, 230, 0.08);
    animation: float 30s infinite;
    box-shadow: 0 0 20px rgba(173, 216, 230, 0.1);
}

.circle:nth-child(1) { width: 80px; height: 80px; left: 10%; animation-delay: 0s; }
.circle:nth-child(2) { width: 120px; height: 120px; left: 20%; animation-delay: 4s; }
.circle:nth-child(3) { width: 60px; height: 60px; left: 70%; animation-delay: 8s; }
.circle:nth-child(4) { width: 100px; height: 100px; left: 80%; animation-delay: 12s; }
.circle:nth-child(5) { width: 90px; height: 90px; left: 50%; animation-delay: 16s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.2; }
    50% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

/* Logo区域 */
.logo-section {
    padding: 30px 20px 20px;
    text-align: center;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 4px 15px rgba(255, 255, 255, 0.3));
    transition: transform 0.3s;
}

.main-logo:hover {
    transform: scale(1.05);
}

/* 英雄区域 */
.hero {
    width: 100%;
    margin: 0 auto;
    padding: 20px 20px 40px;
    color: white;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.hero-content {
    width: 100%;
    text-align: center;
}

.hero-content h1 {
    font-size: 28px;
    margin-bottom: 15px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
    animation: fadeInDown 1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    line-height: 1.4;
    flex-wrap: wrap;
    color: #4682b4;
}

.hero-content p {
    font-size: 15px;
    margin-bottom: 25px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.05);
    animation: fadeInUp 1.2s;
    line-height: 1.7;
    color: #5f9ea0;
}

.hero-image {
    width: 100%;
    animation: fadeInUp 1s;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    transition: transform 0.3s;
}

.hero-image img:hover {
    transform: scale(1.02);
}

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

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

.cta-btn-hero {
    width: 100%;
    padding: 16px 35px;
    font-size: 17px;
    font-weight: bold;
    color: white;
    background: linear-gradient(135deg, #87ceeb 0%, #4682b4 100%);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 25px rgba(135, 206, 235, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    animation: pulse 2s infinite;
}

.cta-btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(135, 206, 235, 0.5);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 数据统计区域 */
.stats-section {
    padding: 25px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.stat-item {
    text-align: center;
    color: white;
    padding: 15px 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 6px;
    color: #4682b4;
}

.stat-label {
    font-size: 12px;
    opacity: 0.9;
    color: #5f9ea0;
}

/* AI分析プロセス */
.process-section {
    padding: 40px 20px;
}

.section-title {
    text-align: center;
    color: #4682b4;
    font-size: 26px;
    margin-bottom: 25px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.process-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 20px 15px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 2px solid rgba(135, 206, 235, 0.3);
    backdrop-filter: blur(5px);
}

.process-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.process-icon {
    font-size: 32px;
    margin-bottom: 12px;
    color: #87ceeb;
}

.process-item h3 {
    color: #4682b4;
    font-size: 16px;
    margin-bottom: 8px;
}

.process-item p {
    color: #666;
    line-height: 1.6;
    font-size: 12px;
}

/* 特征区域 */
.features {
    padding: 40px 20px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 20px 15px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 2px solid rgba(135, 206, 235, 0.3);
    backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 12px;
    color: #87ceeb;
}

.feature-card h3 {
    color: #4682b4;
    font-size: 16px;
    margin-bottom: 8px;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
    font-size: 12px;
}

/* 成功事例 */
.success-section {
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.05);
}

.success-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.success-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 25px 20px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(135, 206, 235, 0.3);
}

.success-item:hover {
    transform: translateY(-3px);
}

.success-image {
    margin-bottom: 15px;
}

.success-icon {
    font-size: 50px;
    color: #87ceeb;
}

.success-item h3 {
    color: #4682b4;
    font-size: 18px;
    margin-bottom: 10px;
}

.success-item p {
    color: #666;
    line-height: 1.7;
    font-size: 14px;
    margin-bottom: 15px;
}

.success-tag {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(135deg, #87ceeb 0%, #4682b4 100%);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

/* FAQ区域 */
.faq-section {
    padding: 40px 20px;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 15px;
    border: 2px solid rgba(135, 206, 235, 0.3);
    transition: transform 0.3s;
}

.faq-item:hover {
    transform: translateY(-2px);
}

.faq-item h3 {
    color: #4682b4;
    font-size: 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.faq-item h3 i {
    color: #87ceeb;
    font-size: 14px;
}

.faq-item p {
    color: #666;
    line-height: 1.7;
    font-size: 14px;
}

/* 评价区域 */
.testimonials {
    padding: 40px 20px;
}

.testimonials-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 25px 20px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s;
    border: 2px solid rgba(135, 206, 235, 0.3);
}

.testimonial-card:hover {
    transform: translateY(-3px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #87ceeb 0%, #4682b4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.testimonial-info h4 {
    color: #4682b4;
    font-size: 16px;
    margin-bottom: 5px;
}

.stars {
    color: #ffd700;
    font-size: 13px;
}

.testimonial-text {
    color: #666;
    line-height: 1.7;
    font-size: 14px;
    position: relative;
}

.quote-icon {
    color: #87ceeb;
    opacity: 0.4;
    font-size: 16px;
    margin-right: 5px;
}

/* 页脚 */
footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 30px 20px 90px;
    text-align: center;
    margin-top: 40px;
    width: 100%;
}

footer p {
    margin-bottom: 10px;
    font-size: 13px;
}

footer a {
    color: #87ceeb;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #4682b4;
}

footer .disclaimer {
    margin-top: 15px;
    font-size: 11px;
    opacity: 0.7;
    line-height: 1.6;
}

/* Fixed Bottom CTA Button */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    max-width: 480px;
    width: 100%;
    padding: 10px 15px;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.fixed-cta-btn {
    width: 100%;
    padding: 14px 30px;
    font-size: 16px;
    font-weight: bold;
    color: white;
    background: linear-gradient(135deg, #87ceeb 0%, #4682b4 100%);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(135, 206, 235, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    animation: glow 2s infinite;
}

.fixed-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(135, 206, 235, 0.5);
}

@keyframes glow {
    0%, 100% { box-shadow: 0 5px 20px rgba(135, 206, 235, 0.3); }
    50% { box-shadow: 0 5px 25px rgba(135, 206, 235, 0.6); }
}

/* 小屏幕调整 */
@media (max-width: 480px) {
    body {
        max-width: 100%;
    }
    
    .hero,
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .hero-content h1 {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .fixed-cta {
        max-width: 100%;
        left: 0;
        transform: none;
    }
    
    .main-logo {
        max-width: 150px;
    }
    
    .stats-section {
        padding: 20px 15px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .stat-item {
        padding: 12px 8px;
    }
    
    .stat-number {
        font-size: 18px;
        margin-bottom: 4px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .process-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .process-item,
    .feature-card {
        padding: 20px 15px;
    }
    
    .process-icon,
    .feature-icon {
        font-size: 36px;
    }
    
    .process-item h3,
    .feature-card h3 {
        font-size: 18px;
    }
    
    .process-item p,
    .feature-card p {
        font-size: 14px;
    }
}