/* Solutions Page Styles */

/* Solutions Hero Section */
.solutions-hero {
    background: linear-gradient(135deg, var(--deep-space-blue) 0%, #0d2b5a 100%);
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
    padding-top: calc(70px + var(--spacing-xl)); /* 添加导航栏高度 + 原有间距 */
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.solutions-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(58, 12, 163, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.solutions-hero .container {
    width: 100%;
    position: relative;
    z-index: 1;
}

.solutions-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--fluorescent-cyan), var(--dark-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.solutions-subtitle {
    color: var(--silver-gray);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Industry Filter */
.industry-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.industry-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--silver-gray);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.industry-btn:hover,
.industry-btn.active {
    background: var(--fluorescent-cyan);
    color: var(--deep-space-blue);
    border-color: var(--fluorescent-cyan);
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan);
}

.industry-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;
}

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

/* Industry Solutions */
.industry-solutions {
    padding: var(--spacing-md) 0 var(--spacing-xl) 0;
    background: var(--deep-space-blue);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

/* Solution Card */
.solution-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-cyan);
    border-color: var(--fluorescent-cyan);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--fluorescent-cyan), var(--dark-purple));
}

/* Solution Header */
.solution-header {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.industry-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 2rem;
    position: relative;
}

.industry-icon.manufacturing {
    background: rgba(255, 107, 53, 0.1);
    color: var(--orange-accent);
    border: 2px solid var(--orange-accent);
}

.industry-icon.ecommerce {
    background: rgba(78, 205, 196, 0.1);
    color: var(--green-accent);
    border: 2px solid var(--green-accent);
}

.industry-icon.government {
    background: rgba(139, 92, 246, 0.1);
    color: var(--light-purple);
    border: 2px solid var(--light-purple);
}

.industry-icon.telecom {
    background: rgba(0, 240, 255, 0.1);
    color: var(--fluorescent-cyan);
    border: 2px solid var(--fluorescent-cyan);
}

.industry-icon.finance {
    background: rgba(255, 215, 0, 0.1);
    color: #FFD700;
    border: 2px solid #FFD700;
}

.industry-icon.healthcare {
    background: rgba(220, 53, 69, 0.1);
    color: #DC3545;
    border: 2px solid #DC3545;
}

.solution-header h3 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
    font-size: 1.5rem;
}

.solution-subtitle {
    color: var(--silver-gray);
    font-size: 0.9rem;
    margin: 0;
}

/* Solution Content */
.solution-content {
    padding: var(--spacing-md);
}

.solution-content h4 {
    color: var(--fluorescent-cyan);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.1rem;
}

.solution-content h4 i {
    font-size: 1rem;
}

/* Pain Points */
.pain-points {
    margin-bottom: var(--spacing-md);
}

.pain-points ul {
    list-style: none;
    padding-left: 0;
}

.pain-points li {
    color: var(--silver-gray);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-sm);
    position: relative;
    font-size: 0.9rem;
}

.pain-points li::before {
    content: '⚠';
    color: #FF6B6B;
    position: absolute;
    left: 0;
    font-size: 0.8rem;
}

/* Solution Approach */
.solution-approach {
    margin-bottom: var(--spacing-md);
}

.capabilities-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.capability-item {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.capability-item:hover {
    transform: translateY(-2px);
    border-color: var(--fluorescent-cyan);
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.2);
}

.capability-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.9rem;
}

.capability-badge.smmf {
    color: var(--fluorescent-cyan);
}

.capability-badge.text2sql {
    color: var(--light-purple);
}

.capability-badge.multiagents {
    color: var(--green-accent);
}

.capability-badge.rag {
    color: var(--orange-accent);
}

.capability-item p {
    color: var(--silver-gray);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.4;
}

/* Solution Results */
.solution-results {
    margin-bottom: var(--spacing-md);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.metric-item {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.metric-item:hover {
    transform: translateY(-2px);
    border-color: var(--fluorescent-cyan);
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.2);
}

.metric-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--fluorescent-cyan);
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.metric-detail {
    color: var(--silver-gray);
    font-size: 0.7rem;
}

/* Customer Testimonial */
.customer-testimonial {
    margin-bottom: var(--spacing-md);
}

.testimonial-content {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--fluorescent-cyan);
    position: relative;
}

.testimonial-content i.fa-quote-left {
    color: var(--fluorescent-cyan);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.testimonial-content p {
    color: var(--white);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    line-height: 1.5;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 40px;
    height: 40px;
    background: var(--fluorescent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--deep-space-blue);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
}

.author-company {
    color: var(--silver-gray);
    font-size: 0.8rem;
}

/* Scenario Value */
.scenario-value {
    margin-bottom: var(--spacing-md);
}

.value-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.value-tag {
    background: rgba(0, 240, 255, 0.1);
    color: var(--fluorescent-cyan);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--fluorescent-cyan);
    transition: all 0.3s ease;
}

.value-tag:hover {
    background: var(--fluorescent-cyan);
    color: var(--deep-space-blue);
    transform: translateY(-1px);
}

/* Compliance Badges */
.compliance-badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.compliance-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 215, 0, 0.1);
    color: #FFD700;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid #FFD700;
    transition: all 0.3s ease;
}

.compliance-badge:hover {
    background: #FFD700;
    color: var(--deep-space-blue);
    transform: translateY(-1px);
}

/* Industry Summary */
.industry-summary {
    padding: var(--spacing-lg) 0;
    background: linear-gradient(135deg, #0d2b5a 0%, var(--deep-space-blue) 50%, #051122 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.industry-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(58, 12, 163, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.summary-content h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--fluorescent-cyan), var(--dark-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.summary-content p {
    color: var(--silver-gray);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Consultation CTA */
.consultation-cta {
    position: relative;
    display: inline-block;
}

.btn-consultation {
    background: linear-gradient(135deg, var(--fluorescent-cyan), var(--dark-purple));
    color: var(--white);
    padding: 1.2rem 2.5rem;
    border-radius: var(--border-radius-lg);
    border: none;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.3);
}

.btn-consultation:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 240, 255, 0.4);
}

.btn-consultation::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;
}

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

.btn-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--fluorescent-cyan), var(--dark-purple), var(--fluorescent-cyan));
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: glow-rotate 3s linear infinite;
}

.btn-consultation:hover .btn-glow {
    opacity: 0.7;
}

@keyframes glow-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Consultation Modal */
.consultation-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.consultation-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--deep-space-blue);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--fluorescent-cyan);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--white);
    margin: 0;
    font-size: 1.3rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--silver-gray);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--fluorescent-cyan);
}

.modal-body {
    padding: var(--spacing-md);
}

/* Consultation Form */
.consultation-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group select,
.form-group input,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
    color: var(--white);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--fluorescent-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

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

.btn-submit {
    background: linear-gradient(135deg, var(--fluorescent-cyan), var(--dark-purple));
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 240, 255, 0.3);
}

/* Filter Animation */
.solution-card {
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s ease;
}

.solution-card.filtered-out {
    opacity: 0.3;
    transform: scale(0.95);
    pointer-events: none;
}

/* Tablet Responsive Design - 平板端优化 */
@media (max-width: 1024px) and (min-width: 769px) {
    .solutions-title {
        font-size: 2.7rem;
    }

    .solutions-subtitle {
        font-size: 1.1rem;
    }

    .industry-btn {
        font-size: 0.9rem;
        padding: 0.4rem 1rem;
    }

    .solution-header h3 {
        font-size: 1.4rem;
    }

    .solution-header p {
        font-size: 0.95rem;
    }

    .metric-number {
        font-size: 1.8rem;
    }

    .metric-label {
        font-size: 0.8rem;
    }

    .timeline-year {
        font-size: 1.1rem;
    }

    .timeline-content h4 {
        font-size: 1.1rem;
    }

    .timeline-content p {
        font-size: 0.9rem;
    }

    /* 布局网格优化 */
    .solutions-grid {
        grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
        gap: var(--spacing-md);
    }

    .capabilities-showcase {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--spacing-sm);
    }

    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: var(--spacing-sm);
    }
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
    .solutions-title {
        font-size: 2.2rem;
    }

    .solutions-subtitle {
        font-size: 1rem;
    }

    .industry-btn {
        font-size: 0.85rem;
        padding: 0.35rem 0.8rem;
    }

    .solution-header h3 {
        font-size: 1.2rem;
    }

    .solution-header p {
        font-size: 0.9rem;
    }

    .metric-number {
        font-size: 1.6rem;
    }

    .metric-label {
        font-size: 0.75rem;
    }

    .timeline-year {
        font-size: 1rem;
    }

    .timeline-content h4 {
        font-size: 1rem;
    }

    .timeline-content p {
        font-size: 0.85rem;
    }

    /* 布局优化 */
    .industry-filter {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .capabilities-showcase {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    /* 交互演示区域移动端适配 */
    .solutions-demo-tabs {
        flex-direction: column;
        gap: 0;
    }

    .solutions-demo-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .solutions-demo-tab:last-child {
        border-bottom: none;
    }

    /* 成本对比移动端优化 */
    .solutions-cost-comparison {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .solutions-cost-before,
    .solutions-cost-after {
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .solutions-cost-arrow {
        transform: rotate(90deg);
        margin: var(--spacing-sm) 0;
    }

    .solutions-cost-number {
        font-size: 1.4rem;
    }

    .solutions-cost-comparison h5 {
        font-size: 0.9rem;
    }

    /* SQL演示区域移动端适配 */
    .solutions-demo-input {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .solutions-demo-input input {
        font-size: 0.85rem;
        padding: var(--spacing-sm);
    }

    .solutions-generate-btn {
        width: 100%;
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }

    .solutions-sql-result pre {
        font-size: 0.75rem;
        padding: var(--spacing-sm);
        overflow-x: auto;
    }

    /* 流程演示移动端适配 */
    .solutions-workflow-timeline {
        gap: var(--spacing-sm);
    }

    .solutions-timeline-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .solutions-timeline-time {
        font-size: 0.8rem;
        min-width: auto;
        align-self: flex-start;
    }

    .solutions-timeline-content h6 {
        font-size: 0.9rem;
    }

    .solutions-timeline-content p {
        font-size: 0.8rem;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    /* 间距优化 */
    .solutions-hero {
        padding: var(--spacing-lg) 0;
        padding-top: calc(70px + var(--spacing-lg)); /* 平板端：导航栏高度 + 原有间距 */
    }

    .solution-card {
        padding: var(--spacing-md);
    }

    .summary-content h2 {
        font-size: 2rem;
    }

    .btn-consultation {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .modal-content {
        width: 95%;
        margin: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .solutions-title {
        font-size: 1.8rem;
    }

    .solutions-subtitle {
        font-size: 0.95rem;
    }

    .industry-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }

    .solution-header h3 {
        font-size: 1.1rem;
    }

    .solution-header p {
        font-size: 0.85rem;
    }

    .metric-number {
        font-size: 1.4rem;
    }

    .metric-label {
        font-size: 0.7rem;
    }

    .timeline-year {
        font-size: 0.9rem;
    }

    .timeline-content h4 {
        font-size: 0.95rem;
    }

    .timeline-content p {
        font-size: 0.8rem;
    }

    /* 布局进一步优化 */
    .capabilities-showcase {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    /* 小屏幕交互演示优化 */
    .solutions-demo-tab {
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }

    .solutions-cost-before,
    .solutions-cost-after {
        padding: var(--spacing-sm);
        max-width: 250px;
    }

    .solutions-cost-number {
        font-size: 1.2rem;
    }

    .solutions-cost-comparison h5 {
        font-size: 0.85rem;
    }

    .solutions-cost-breakdown {
        font-size: 0.75rem;
    }

    /* 小屏幕SQL演示进一步优化 */
    .solutions-demo-input input {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .solutions-generate-btn {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .solutions-sql-result pre {
        font-size: 0.7rem;
    }

    /* 小屏幕流程演示进一步优化 */
    .solutions-timeline-item {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .solutions-timeline-time {
        font-size: 0.75rem;
        padding: var(--spacing-xs);
    }

    .solutions-timeline-content h6 {
        font-size: 0.85rem;
    }

    .solutions-timeline-content p {
        font-size: 0.75rem;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    /* 间距进一步优化 */
    .solutions-hero {
        padding: var(--spacing-md) 0;
        padding-top: calc(70px + var(--spacing-md)); /* 移动端：导航栏高度 + 原有间距 */
    }

    .solution-card {
        padding: var(--spacing-sm);
    }

    .industry-filter {
        gap: var(--spacing-xs);
    }

    .value-tags {
        flex-direction: column;
    }

    .compliance-badges {
        flex-direction: column;
    }

    .summary-content h2 {
        font-size: 1.6rem;
    }

    .summary-content p {
        font-size: 1rem;
    }
}

/* Interactive Demo Styles */
.interactive-demo {
    margin-top: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.demo-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--silver-gray);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 600;
}

.demo-tab:hover,
.demo-tab.active {
    background: var(--fluorescent-cyan);
    color: var(--deep-space-blue);
}

.demo-content {
    padding: var(--spacing-md);
}

.demo-panel {
    display: none;
}

.demo-panel.active {
    display: block;
}

/* Cost Comparison */
.cost-comparison {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.cost-before,
.cost-after {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cost-before {
    background: rgba(255, 107, 53, 0.1);
}

.cost-after {
    background: rgba(0, 240, 255, 0.1);
}

.cost-comparison h5 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.cost-number {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
    transition: all 0.3s ease;
}

.cost-number.old {
    color: #FF6B6B;
}

.cost-number.new {
    color: var(--fluorescent-cyan);
}

.cost-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: all 0.3s ease;
}

.cost-breakdown span {
    color: var(--silver-gray);
    font-size: 0.8rem;
}

.cost-arrow {
    color: var(--fluorescent-cyan);
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.demo-btn {
    background: var(--fluorescent-cyan);
    color: var(--deep-space-blue);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.3);
}

/* SQL Demo */
.sql-demo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.demo-input {
    display: flex;
    gap: var(--spacing-sm);
}

.demo-input input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
    color: var(--white);
    font-size: 0.9rem;
}

.demo-input input:focus {
    outline: none;
    border-color: var(--fluorescent-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.generate-btn {
    background: var(--fluorescent-cyan);
    color: var(--deep-space-blue);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.3);
}

.sql-result {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.accuracy-badge {
    background: var(--green-accent);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

.sql-result pre {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin-bottom: var(--spacing-sm);
}

.sql-result code {
    color: var(--fluorescent-cyan);
    font-family: var(--font-code);
    font-size: 0.9rem;
}

.report-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--green-accent);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Workflow Timeline */
.workflow-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-30px);
}

.timeline-item[data-status="trigger"] {
    border-left: 3px solid #FF6B6B;
}

.timeline-item[data-status="analyzing"] {
    border-left: 3px solid #FFD700;
}

.timeline-item[data-status="planning"] {
    border-left: 3px solid var(--fluorescent-cyan);
}

.timeline-item[data-status="complete"] {
    border-left: 3px solid var(--green-accent);
}

.timeline-time {
    background: var(--fluorescent-cyan);
    color: var(--deep-space-blue);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 0.9rem;
    min-width: 60px;
    text-align: center;
}

.timeline-content h6 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

/* Responsive Design for Hero Section */
@media (max-width: 768px) {
    .solutions-hero {
        min-height: 50vh;
        padding: var(--spacing-lg) 0;
        padding-top: calc(70px + var(--spacing-lg)); /* 768px断点：导航栏高度 + 原有间距 */
    }

    .solutions-title {
        font-size: 2.5rem;
    }

    .solutions-subtitle {
        font-size: 1.1rem;
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .solutions-hero {
        min-height: 45vh;
        padding-top: calc(70px + var(--spacing-md)); /* 480px断点：导航栏高度 + 原有间距 */
    }

    .solutions-title {
        font-size: 2rem;
    }

    .solutions-subtitle {
        font-size: 1rem;
    }
}

.timeline-content p {
    color: var(--silver-gray);
    font-size: 0.85rem;
    margin: 0;
}

/* Solutions Page Specific - Effect Display Styles */
.solutions-effect-display {
    margin-bottom: var(--spacing-md);
}

.solutions-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.solutions-metric-card {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.solutions-metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--fluorescent-cyan), var(--dark-purple));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.solutions-metric-card:hover {
    transform: translateY(-3px);
    border-color: var(--fluorescent-cyan);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.25);
}

.solutions-metric-card:hover::before {
    transform: scaleX(1);
}

.solutions-metric-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--fluorescent-cyan);
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.solutions-metric-title {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.solutions-metric-description {
    color: var(--silver-gray);
    font-size: 0.75rem;
    line-height: 1.2;
}

/* Solutions Page Specific - Customer Testimonial Styles */
.solutions-customer-testimonial {
    margin-bottom: var(--spacing-md);
}

.solutions-testimonial-content {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--fluorescent-cyan);
    position: relative;
    transition: all 0.3s ease;
}

.solutions-testimonial-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(58, 12, 163, 0.05));
    border-radius: var(--border-radius-md);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.solutions-testimonial-content:hover::before {
    opacity: 1;
}

.solutions-testimonial-content:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.15);
    border-left-color: var(--light-purple);
}

.solutions-testimonial-content i.fa-quote-left {
    color: var(--fluorescent-cyan);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.solutions-testimonial-content p {
    color: var(--white);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.solutions-testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.solutions-author-avatar {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--fluorescent-cyan), var(--light-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--deep-space-blue);
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.3);
    transition: all 0.3s ease;
}

.solutions-customer-testimonial:hover .solutions-author-avatar {
    transform: scale(1.05);
    box-shadow: 0 6px 18px rgba(0, 240, 255, 0.4);
}

.solutions-author-info {
    display: flex;
    flex-direction: column;
}

.solutions-author-name {
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.solutions-author-company {
    color: var(--silver-gray);
    font-size: 0.8rem;
    opacity: 0.9;
}

/* Solutions Page Specific - Interactive Demo Styles */
.solutions-interactive-demo {
    margin-top: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    position: relative;
}

.solutions-interactive-demo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--fluorescent-cyan), var(--dark-purple), var(--fluorescent-cyan));
    opacity: 0.6;
}

.solutions-demo-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.solutions-demo-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--silver-gray);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 600;
    position: relative;
}

.solutions-demo-tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--fluorescent-cyan);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.solutions-demo-tab:hover,
.solutions-demo-tab.active {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(58, 12, 163, 0.1));
    color: var(--fluorescent-cyan);
}

.solutions-demo-tab.active::before {
    width: 80%;
}

.solutions-demo-content {
    padding: var(--spacing-md);
}

.solutions-demo-panel {
    display: none;
}

.solutions-demo-panel.active {
    display: block;
    animation: solutions-fadeIn 0.5s ease-in-out;
}

@keyframes solutions-fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Solutions Cost Comparison */
.solutions-cost-comparison {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.solutions-cost-before,
.solutions-cost-after {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.solutions-cost-before {
    background: rgba(255, 107, 53, 0.1);
    border-left: 3px solid #FF6B35;
}

.solutions-cost-after {
    background: rgba(0, 240, 255, 0.1);
    border-left: 3px solid var(--fluorescent-cyan);
}

.solutions-cost-before::before,
.solutions-cost-after::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solutions-cost-before:hover::before,
.solutions-cost-after:hover::before {
    opacity: 1;
}

.solutions-cost-comparison h5 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

.solutions-cost-number {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.solutions-cost-number.old {
    color: #FF6B6B;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.3);
}

.solutions-cost-number.new {
    color: var(--fluorescent-cyan);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.solutions-cost-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.solutions-cost-breakdown span {
    color: var(--silver-gray);
    font-size: 0.8rem;
}

.solutions-cost-arrow {
    color: var(--fluorescent-cyan);
    font-size: 1.5rem;
    animation: solutions-pulse 2s infinite;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

@keyframes solutions-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.solutions-demo-btn {
    background: linear-gradient(135deg, var(--fluorescent-cyan), var(--light-purple));
    color: var(--deep-space-blue);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.2);
}

.solutions-demo-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.4);
}

/* Solutions SQL Demo */
.solutions-sql-demo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.solutions-demo-input {
    display: flex;
    gap: var(--spacing-sm);
}

.solutions-demo-input input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
    color: var(--white);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.solutions-demo-input input:focus {
    outline: none;
    border-color: var(--fluorescent-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.solutions-generate-btn {
    background: linear-gradient(135deg, var(--fluorescent-cyan), var(--light-purple));
    color: var(--deep-space-blue);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.2);
}

.solutions-generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 240, 255, 0.4);
}

.solutions-sql-result {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.solutions-sql-result::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green-accent), var(--fluorescent-cyan));
}

.solutions-accuracy-badge {
    background: linear-gradient(135deg, var(--green-accent), #4ECDC4);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 2px 8px rgba(78, 205, 196, 0.3);
}

.solutions-sql-result pre {
    background: rgba(0, 0, 0, 0.4);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.solutions-sql-result code {
    color: var(--fluorescent-cyan);
    font-family: var(--font-code);
    font-size: 0.9rem;
    text-shadow: 0 0 5px rgba(0, 240, 255, 0.3);
}

.solutions-report-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--green-accent);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Solutions Workflow Timeline */
.solutions-workflow-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.solutions-timeline-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(-30px);
    position: relative;
    overflow: hidden;
}

.solutions-timeline-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solutions-timeline-item:hover::before {
    opacity: 1;
}

.solutions-timeline-item[data-status="trigger"] {
    border-left: 3px solid #FF6B6B;
    background: rgba(255, 107, 107, 0.05);
}

.solutions-timeline-item[data-status="analyzing"] {
    border-left: 3px solid #FFD700;
    background: rgba(255, 215, 0, 0.05);
}

.solutions-timeline-item[data-status="planning"] {
    border-left: 3px solid var(--fluorescent-cyan);
    background: rgba(0, 240, 255, 0.05);
}

.solutions-timeline-item[data-status="complete"] {
    border-left: 3px solid var(--green-accent);
    background: rgba(78, 205, 196, 0.05);
}

.solutions-timeline-time {
    background: linear-gradient(135deg, var(--fluorescent-cyan), var(--light-purple));
    color: var(--deep-space-blue);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 0.9rem;
    min-width: 65px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 240, 255, 0.3);
    position: relative;
    z-index: 1;
}

.solutions-timeline-content {
    position: relative;
    z-index: 1;
}

.solutions-timeline-content h6 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
    font-weight: 600;
}

.solutions-timeline-content p {
    color: var(--silver-gray);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.4;
}

/* Animation for timeline items */
@keyframes solutions-slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}