/* === 延保页面专属样式 === */
.warranty-page {
    padding-top: var(--nav-height);
}

.warranty-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.warranty-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1557804506-669a67965ba0?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--accent-green);
}

.hero-content p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.warranty-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: -50px;
    position: relative;
    z-index: 2;
    align-items: stretch; /* 确保两列高度一致 */
}

@media (max-width: 992px) {
    .warranty-grid {
        grid-template-columns: 1fr;
        margin-top: 30px;
    }
}

.policy-card, .form-card {
    background: var(--primary-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
    height: 100%; /* 确保卡片高度一致 */
    display: flex;
    flex-direction: column;
}

.policy-card:hover, .form-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-header {
    background: rgba(163, 234, 27, 0.1);
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-header i {
    font-size: 1.5rem;
    color: var(--accent-green);
}

.card-header h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.card-body {
    padding: 25px;
    flex: 1; /* 使内容区域填充剩余空间 */
    display: flex;
    flex-direction: column;
}

.policy-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    flex: 1;
}

.policy-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.policy-icon {
    width: 40px;
    height: 40px;
    background: rgba(163, 234, 27, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent-green);
    font-size: 1.1rem;
}

.policy-text h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.policy-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

.policy-item.highlight {
    background: rgba(163, 234, 27, 0.05);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    margin: 20px -20px 0;
    border-bottom: none;
}

.policy-item.highlight .policy-icon {
    background: var(--accent-green);
    color: var(--dark-bg);
}

.form-progress {
    margin-bottom: 30px;
}

.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: var(--accent-green);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

.warranty-form .form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

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

.warranty-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.required {
    color: #ff4d4d;
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.warranty-form input,
.warranty-form select,
.warranty-form textarea {
    width: 100%;
    padding: 12px 15px 12px 40px;
    font-size: 0.95rem;
    background: var(--dark-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    transition: var(--transition-base);
}

.warranty-form input:focus,
.warranty-form select:focus,
.warranty-form textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(163, 234, 27, 0.2);
}

.warranty-form select {
    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='currentColor' 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 10px center;
    background-size: 1em;
    padding-right: 35px;
}

.warranty-form input[type="date"] {
    cursor: pointer;
    padding-right: 15px;
}

.warranty-form input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.8;
    cursor: pointer;
}

.warranty-form input[type="date"]::-webkit-inner-spin-button,
.warranty-form input[type="date"]::-webkit-clear-button {
    display: none;
    -webkit-appearance: none;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.error-message {
    font-size: 0.8rem;
    color: #ff4d4d;
    margin-top: 5px;
    display: none;
}

.form-footer {
    margin-top: auto;
    padding-top: 20px;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--accent-green);
    color: var(--dark-bg);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    width: 100%;
}

.submit-btn:hover {
    background: #b8f533;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(163, 234, 27, 0.3);
}

.submit-btn i {
    transition: transform 0.3s ease;
}

.submit-btn:hover i {
    transform: translateX(3px);
}

.warranty-contact {
    padding: 60px 0;
    background: var(--dark-bg);
}

.contact-card {
    background: var(--primary-surface);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.contact-card h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.contact-card h2 i {
    color: var(--accent-green);
}

.contact-card p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 500px;
    margin: 0 auto;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: rgba(163, 234, 27, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    transition: var(--transition-base);
    text-decoration: none;
}

.contact-link:hover {
    background: rgba(163, 234, 27, 0.2);
    color: var(--accent-green);
}

.contact-link i {
    font-size: 1.2rem;
    color: var(--accent-green);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .warranty-hero {
        padding: 80px 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .card-header {
        padding: 15px 20px;
    }
    
    .card-header h2 {
        font-size: 1.3rem;
    }
    
    .card-body {
        padding: 20px;
    }
    
    .policy-item {
        flex-direction: column;
        gap: 10px;
        padding: 15px 0;
    }
    
    .policy-icon {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .policy-text h3 {
        font-size: 1.1rem;
    }
    
    .policy-text p {
        font-size: 0.9rem;
    }
    
    .form-progress {
        margin-bottom: 20px;
    }
    
    .warranty-form .form-group {
        margin-bottom: 15px;
    }
    
    .contact-card {
        padding: 30px 20px;
    }
    
    .contact-card h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .warranty-hero {
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .card-header {
        padding: 12px 15px;
    }
    
    .card-header h2 {
        font-size: 1.2rem;
    }
    
    .policy-item.highlight {
        padding: 15px;
        margin: 15px -15px 0;
    }
    
    .submit-btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    .contact-card h2 {
        font-size: 1.5rem;
    }
    
    .contact-link {
        padding: 12px 20px;
    }
}