/* 桐果云官网 - 30天免费验证页面样式文件 */
/* 基于doc/行动页.md中的设计，与首页风格保持一致 */

/* ===== 1. 价值主张区域 ===== */
.value-proposition-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(0, 167, 243, 0.05) 0%, rgba(0, 149, 224, 0.05) 100%);
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}

.value-proposition-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 167, 243, 0.08) 0%, rgba(0, 149, 224, 0.08) 100%);
    clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
    z-index: 0;
}

.value-proposition-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.value-proposition-content h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark);
    animation: fadeInDown var(--transition-slow) forwards;
}

.value-subtitle {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    margin-bottom: 3rem;
    line-height: 1.4;
    font-weight: 500;
    animation: fadeInUp var(--transition-slow) forwards;
    animation-delay: 0.1s;
}

.value-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: 3rem;
    animation: fadeInUp var(--transition-slow) forwards;
    animation-delay: 0.2s;
}

.value-point {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border: 2px solid transparent;
}

.value-point:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.value-point-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: all var(--transition);
}

.value-point:hover .value-point-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 12px rgba(0, 167, 243, 0.3);
}

.value-point-text h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
    text-align: left;
}

.value-point-text p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    text-align: left;
}

.value-cta {
    animation: fadeInUp var(--transition-slow) forwards;
    animation-delay: 0.3s;
}

.value-cta .btn {
    padding: 1rem 2.5rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.value-note {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
}

.highlight {
    color: var(--secondary-color);
    font-weight: 700;
}

/* ===== 2. 申请表单区域 ===== */
.trial-form-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.trial-form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--gray-300) 50%, transparent 100%);
}

.section-title {
    text-align: center;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.trial-form-container {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp var(--transition-slow) forwards;
    animation-delay: 0.1s;
    position: relative;
    overflow: hidden;
    border-top: 4px solid transparent;
    transition: all var(--transition);
}

.trial-form-container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-top-color: var(--primary-color);
}

.trial-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, rgba(0, 167, 243, 0.2) 50%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition);
}

.trial-form-container:hover::before {
    opacity: 1;
}

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

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

.form-group {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--dark);
    transition: color var(--transition-fast);
}

.form-group:hover label {
    color: var(--primary-color);
}

.form-group .required {
    color: var(--secondary-color);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    color: var(--dark);
    transition: all var(--transition-fast);
    background-color: var(--white);
}

.form-control:hover {
    border-color: var(--gray-400);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 167, 243, 0.15);
    transform: translateY(-1px);
}

.select-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 18px;
    padding-right: 48px;
    cursor: pointer;
}

.select-control:hover {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300a7f3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-top: 0.5rem;
    font-style: italic;
}

.form-submit {
    margin-top: var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.form-submit .btn {
    width: 100%;
    padding: 16px;
    font-size: var(--font-size-base);
    font-weight: 700;
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
    background: var(--gradient-primary);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.form-submit .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 167, 243, 0.3);
}

.form-submit .btn:active {
    transform: translateY(-1px);
}

.form-submit .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 0.5s ease;
}

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

.form-note {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-top: 1rem;
    text-align: center;
}

/* ===== 3. 成功案例区域 ===== */
.success-cases-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: 3rem;
    animation: fadeInUp var(--transition-slow) forwards;
    animation-delay: 0.1s;
}

.case-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity var(--transition);
}

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

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--gray-200);
}

.case-industry {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
}

.case-industry i {
    font-size: 1rem;
}

.case-time {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    background-color: var(--gray-100);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
}

.case-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.case-description {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.case-results {
    display: flex;
    gap: var(--spacing-md);
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}

.result-item {
    text-align: center;
    flex: 1;
}

.result-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.result-label {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cases-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    animation: fadeInUp var(--transition-slow) forwards;
    animation-delay: 0.2s;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    transition: all var(--transition);
}

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

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

/* ===== 4. FAQ区域 ===== */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--gray-300) 50%, transparent 100%);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp var(--transition-slow) forwards;
    animation-delay: 0.1s;
}

.faq-item {
    background-color: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow);
}

.faq-item.active {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 167, 243, 0.1);
}

.faq-question {
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background-color: rgba(0, 167, 243, 0.03);
}

.faq-question h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--dark);
    margin: 0;
    flex: 1;
}

.faq-question i {
    color: var(--gray-500);
    transition: all var(--transition-fast);
    font-size: 0.875rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.active .faq-answer {
    padding: var(--spacing-lg);
    max-height: 500px;
    margin-bottom: var(--spacing-sm);
}

.faq-answer p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* ===== 5. 响应式设计 ===== */
@media (max-width: 768px) {
    .value-proposition-content h1 {
        font-size: var(--font-size-3xl);
    }
    
    .value-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .value-points {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cases-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .stat-value {
        font-size: var(--font-size-2xl);
    }
    
    .faq-question h3 {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 576px) {
    .value-proposition-section {
        padding-top: 80px;
        min-height: auto;
        padding-bottom: var(--spacing-2xl);
    }
    
    .value-proposition-content h1 {
        font-size: var(--font-size-2xl);
    }
    
    .value-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .value-point {
        padding: var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .trial-form-container {
        padding: var(--spacing-md);
    }
    
    .cases-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .case-results {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .result-item {
        text-align: left;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .result-value {
        font-size: var(--font-size-lg);
    }
    
    .faq-question {
        padding: var(--spacing-md);
    }
    
    .faq-answer {
        padding: 0 var(--spacing-md);
    }
    
    .faq-item.active .faq-answer {
        padding: var(--spacing-md);
    }
}

/* ===== 6. 动画延迟类 ===== */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }

/* ===== 7. 页面加载进度条 ===== */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.3s ease;
}

/* ===== 8. 工具类 ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }
.pt-1 { padding-top: var(--spacing-sm); }
.pb-1 { padding-bottom: var(--spacing-sm); }
.pt-2 { padding-top: var(--spacing-md); }
.pb-2 { padding-bottom: var(--spacing-md); }
.pt-3 { padding-top: var(--spacing-lg); }
.pb-3 { padding-bottom: var(--spacing-lg); }