/* Solutions Page Specific Styles */

:root {
    --primary-color: #2563eb;
    --text-dark: #1e293b;
    --text-light: #64748b;
}

/* Page Header - reuse from business.css */
.page-header {
    margin-top: 70px;
    padding: 4rem 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Solution Sections */
.solution-section {
    padding: 5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.solution-section:nth-child(even) {
    background: #f8fafc;
}

.solution-section:nth-child(odd) {
    background: white;
}

/* Solution Header */
.solution-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.header-content {
    position: relative;
}

.solution-badge {
    display: inline-block;
    background: linear-gradient(45deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.header-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
    position: relative;
}

.header-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    border-radius: 2px;
}

.header-content p {
    font-size: 1.1rem;
    color: #64748b;
    line-height: 1.8;
}

/* Header Visuals */
.header-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.solution-illustration {
    width: 100%;
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.1));
}

.data-points {
    position: absolute;
    top: 50%;
    right: -20%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.data-point {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    min-width: 100px;
}

.data-point .metric {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.data-point .label {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    display: block;
}

/* Hero区域样式 */
.hero {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    min-height: 60vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 4rem 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.hero-tags {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    width: 100%;
    max-width: 450px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
    animation: float 6s ease-in-out infinite;
}

.tech-highlights {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: flex-end;
    padding: 2rem;
}

.tech-point {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.8s ease-out;
    margin-bottom: 1rem;
}

.tech-point:nth-child(2) { animation-delay: 0.2s; }
.tech-point:nth-child(3) { animation-delay: 0.4s; }

.point-icon {
    font-size: 1.5rem;
}

.tech-point span {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.875rem;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

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

/* 技术架构概览 */
.architecture-overview {
    padding: 6rem 0;
    background: white;
}

.architecture-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.architecture-visual {
    position: relative;
}

.architecture-illustration {
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 15px 35px rgba(0, 0, 0, 0.1));
}

.layer-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.layer-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.layer-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(10px);
}

.layer-number {
    background: var(--primary-color);
    color: white;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.layer-item:hover .layer-number {
    background: white;
    color: var(--primary-color);
}

.layer-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.layer-content p {
    opacity: 0.8;
    line-height: 1.5;
}

/* Solution Features */
.solution-features {
    margin-bottom: 4rem;
}

.solution-features h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 2rem;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Function List */
.function-list {
    margin-bottom: 3rem;
}

.function-list h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 2rem;
    text-align: center;
}

.functions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.function-item {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.function-item:hover {
    border-color: #3b82f6;
    background: #eff6ff;
    transform: translateY(-2px);
}

.function-name {
    font-weight: 600;
    color: #1e293b;
}

/* Use Cases */
.use-cases {
    margin-bottom: 3rem;
}

.use-cases h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 2rem;
    text-align: center;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.case-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.case-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.case-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Workflow */
.workflow {
    margin-bottom: 3rem;
}

.workflow h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 2rem;
    text-align: center;
}

.workflow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.step {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    position: relative;
}

.step-number {
    background: linear-gradient(45deg, #3b82f6, #1d4ed8);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto 1rem;
}

.step h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.step p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
}

.step-arrow {
    font-size: 1.5rem;
    color: #3b82f6;
    font-weight: bold;
}

/* Service Scenarios */
.service-scenarios {
    margin-bottom: 3rem;
}

.service-scenarios h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 2rem;
    text-align: center;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.scenario-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.scenario-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.scenario-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.scenario-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* Member System */
.member-system {
    margin-bottom: 3rem;
}

.member-system h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 2rem;
    text-align: center;
}

.system-components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.component {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.component:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.component-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.component h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.component p {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.5rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .solution-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .header-content h2::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero {
        min-height: 50vh;
        padding: 3rem 0;
    }
    
    .tech-highlights {
        position: static;
        flex-direction: row;
        justify-content: center;
        margin-top: 2rem;
        padding: 0;
    }
    
    .tech-point {
        margin-bottom: 0;
        margin-right: 1rem;
    }
    
    .architecture-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .data-points {
        position: static;
        transform: none;
        flex-direction: row;
        justify-content: center;
        margin-top: 2rem;
    }
    
    .data-point {
        margin: 0 0.5rem;
    }

    .module-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .module-item {
        padding: 1rem;
        font-size: 1.5rem;
    }

    .asset-visual,
    .investment-visual,
    .operation-visual,
    .member-visual {
        font-size: 4rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .functions-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .workflow-steps {
        flex-direction: column;
        align-items: center;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .cases-grid,
    .scenarios-grid,
    .system-components {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 2rem;
    }

    .solution-section {
        padding: 3rem 0;
    }

    .header-content h2 {
        font-size: 1.8rem;
    }
    
    .hero {
        min-height: 40vh;
        padding: 2rem 0;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }

    .feature-card,
    .case-card,
    .scenario-card,
    .component {
        padding: 1.5rem;
    }

    .module-grid {
        grid-template-columns: 1fr;
    }

    .functions-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading Animations */
.solution-section {
    opacity: 0;
    animation: fadeInSection 0.8s ease forwards;
}

@keyframes fadeInSection {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}