/* ===== 图片过 AI 检测工具页面专属样式 ===== */

/* 页面容器 */
.tool-page {
    padding-top: 64px;
    min-height: 100vh;
    background: linear-gradient(180deg, #f5f7fa 0%, #e0e7ff 100%);
}

/* 第一屏：Hero 区域 */
.hero-section {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: #fff;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 300;
}

.hero-description {
    font-size: 16px;
    line-height: 2;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: #FCD34D;
    color: #1E3A8A;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary:hover {
    background: #FBBF24;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(252, 211, 77, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.software-icon {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.software-icon i {
    font-size: 100px;
    color: #FCD34D;
}

.download-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

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

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: #FCD34D;
    display: block;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5px;
}

/* 功能特点区域 */
.features-section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-header h2 {
    font-size: 36px;
    color: #1E3A8A;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-header .divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3B82F6, #60A5FA);
    margin: 0 auto;
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e7ff;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 28px;
    color: #fff;
}

.feature-title {
    font-size: 20px;
    color: #1E3A8A;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 15px;
    color: #64748B;
    line-height: 1.8;
}

/* 使用场景区域 */
.scenarios-section {
    padding: 80px 20px;
    background: #fff;
}

.scenarios-container {
    max-width: 1200px;
    margin: 0 auto;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.scenario-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #e0e7ff 100%);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.3s ease;
}

.scenario-card:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
}

.scenario-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.scenario-icon i {
    font-size: 24px;
    color: #fff;
}

.scenario-content h3 {
    font-size: 18px;
    color: #1E3A8A;
    font-weight: 600;
    margin-bottom: 8px;
}

.scenario-content p {
    font-size: 14px;
    color: #64748B;
    line-height: 1.6;
}

/* CTA 区域 */
.cta-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 36px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .rate-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 15px !important;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 50px 15px;
    }
    
    .hero-container {
        gap: 30px;
    }
    
    .hero-badge {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .hero-title {
        font-size: 26px;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 16px;
        line-height: 1.6;
    }
    
    .hero-description {
        font-size: 14px;
        line-height: 1.8;
    }
    
    .software-icon {
        width: 120px;
        height: 120px;
    }
    
    .software-icon i {
        font-size: 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .download-stats {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 24px !important;
    }
    
    .stat-label {
        font-size: 13px !important;
    }
    
    /* 平台过审率移动端优化 */
    .platform-rates-section {
        padding: 40px 15px !important;
    }
    
    .platform-rates-section h2 {
        font-size: 24px !important;
    }
    
    .rate-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
        margin-top: 25px !important;
    }
    
    .rate-card {
        padding: 20px 15px !important;
    }
    
    .rate-card > div:first-child {
        width: 50px !important;
        height: 50px !important;
        margin-bottom: 12px !important;
    }
    
    .rate-card > div:first-child i {
        font-size: 24px !important;
    }
    
    .rate-card > div:nth-child(2) {
        font-size: 14px !important;
    }
    
    .rate-card > div:nth-child(3) {
        font-size: 32px !important;
    }
    
    .rate-card > div:last-child {
        font-size: 12px !important;
        padding: 3px 10px !important;
    }
    
    /* 功能特点移动端优化 */
    .features-section {
        padding: 50px 15px !important;
    }
    
    .features-section h2 {
        font-size: 24px !important;
    }
    
    .features-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .feature-card {
        padding: 25px 20px !important;
    }
    
    .feature-icon {
        width: 50px !important;
        height: 50px !important;
        margin-bottom: 15px !important;
    }
    
    .feature-icon i {
        font-size: 24px !important;
    }
    
    .feature-title {
        font-size: 18px !important;
    }
    
    .feature-desc {
        font-size: 14px !important;
    }
    
    /* 使用场景移动端优化 */
    .scenarios-section {
        padding: 50px 15px !important;
    }
    
    .scenarios-section h2 {
        font-size: 24px !important;
    }
    
    .scenarios-grid {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    
    .scenario-card {
        padding: 20px !important;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .scenario-icon {
        width: 50px !important;
        height: 50px !important;
    }
    
    .scenario-icon i {
        font-size: 24px !important;
    }
    
    .scenario-content h3 {
        font-size: 17px !important;
    }
    
    .scenario-content p {
        font-size: 14px !important;
    }
    
    /* CTA 区域移动端优化 */
    .cta-section {
        padding: 50px 15px !important;
    }
    
    .cta-title {
        font-size: 24px !important;
    }
    
    .cta-desc {
        font-size: 16px !important;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 22px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .rate-grid {
        grid-template-columns: 1fr !important;
    }
    
    .stat-item {
        min-width: 80px;
    }
}