/* ========== 行业解决方案详情页样式 ========== */

/* Hero Section */
.sol-hero {
    position: relative;
    height: 520px;
    padding: 140px 0 80px;
    overflow: hidden;
    color: #fff;
}
.sol-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.sol-hero-bg-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-color: #0a1628;
}
.sol-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(17,32,64,0.85) 50%, rgba(23,50,100,0.75) 100%);
}
.sol-hero-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    height: 100%;
}
.sol-hero-content {
    max-width: 780px;
}
.sol-hero-breadcrumb {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* 返回按钮条（位于 banner 下方、方案概述上方的白地区域） */
.sol-back-bar {
    background: #fff;
    padding: 28px 0 12px;
    position: relative;
    z-index: 2;
}
.sol-back-bar::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(37,99,235,0.12) 50%, transparent 100%);
}
.sol-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    color: #475569;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}
.sol-back-btn:hover {
    background: #EFF6FF;
    border-color: rgba(37,99,235,0.4);
    color: #2563EB;
    transform: translateX(-3px);
    box-shadow: 0 4px 12px rgba(37,99,235,0.12);
}
.sol-back-btn-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
    font-weight: 700;
    color: #94A3B8;
}
.sol-back-btn:hover .sol-back-btn-arrow {
    transform: translateX(-4px);
    color: #2563EB;
}
.sol-hero-breadcrumb a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}
.sol-hero-breadcrumb a:hover {
    color: #fff;
}
.breadcrumb-sep {
    color: rgba(255,255,255,0.4);
}
.sol-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(59,130,246,0.15);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: #60a5fa;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.sol-hero-tag-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #3b82f6;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.sol-hero-title {
    font-size: 44px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}
.sol-hero-title span {
    background: linear-gradient(135deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.sol-hero-desc {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
}
.sol-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Overview Section */
.sol-overview {
    padding: 80px 0;
    background: #fff;
}
.sol-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.sol-overview-text .section-title {
    margin-bottom: 20px;
}
.sol-overview-desc {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}
.sol-overview-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.sol-ov-feature {
    display: flex;
    gap: 14px;
    padding: 16px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}
.sol-ov-feature:hover {
    background: #f1f5f9;
    border-color: #3b82f6;
    transform: translateY(-2px);
}
.sol-ov-feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    border-radius: 10px;
    flex-shrink: 0;
}
.sol-ov-feature-icon svg {
    width: 22px;
    height: 22px;
    color: #2563eb;
}
.sol-ov-feature h4 {
    font-size: 14px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 4px;
}
.sol-ov-feature p {
    font-size: 12px;
    color: #64748b;
    line-height: 1.5;
}
.sol-overview-visual {
    position: relative;
}
.sol-ov-img-wrapper {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.sol-ov-img-wrapper img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}
.sol-ov-float-card {
    position: absolute;
    background: #fff;
    padding: 16px 20px;
    border-radius: 14px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    text-align: center;
}
.sol-ov-float-card--1 {
    top: -20px;
    right: -20px;
}
.sol-ov-float-card--2 {
    bottom: 60px;
    left: -30px;
}
.sol-ov-float-card--3 {
    bottom: -20px;
    right: 40px;
}
.sol-ov-float-num {
    font-size: 24px;
    font-weight: 900;
    color: #3b82f6;
    line-height: 1;
}
.sol-ov-float-label {
    font-size: 12px;
    color: #64748b;
    margin-top: 4px;
}

/* Pain Points */
.sol-pain {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}
.sol-pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.sol-pain-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s;
}
.sol-pain-card:hover {
    border-color: #3b82f6;
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(59,130,246,0.15);
}
.sol-pain-icon {
    margin-bottom: 16px;
}
.sol-pain-icon svg {
    width: 36px;
    height: 36px;
    color: #ef4444;
}
.sol-pain-card h3 {
    font-size: 17px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 10px;
}
.sol-pain-card p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.7;
}

/* Architecture */
.sol-arch {
    padding: 80px 0;
    background: #fff;
}
.sol-arch-diagram {
    margin-bottom: 50px;
}
.sol-arch-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.sol-arch-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 24px;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-radius: 14px;
    border: 1px solid #bfdbfe;
    min-width: 120px;
    transition: all 0.3s;
}
.sol-arch-node:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59,130,246,0.2);
}
.sol-arch-step {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sol-arch-label {
    font-size: 13px;
    font-weight: 700;
    color: #1e40af;
    text-align: center;
}
.sol-arch-arrow {
    font-size: 24px;
    color: #3b82f6;
    font-weight: 700;
}
.sol-arch-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.sol-arch-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 28px 24px;
    transition: all 0.4s;
    position: relative;
}
.sol-arch-card:hover {
    border-color: #3b82f6;
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(59,130,246,0.15);
}
.sol-arch-card-num {
    font-size: 32px;
    font-weight: 900;
    color: #e2e8f0;
    line-height: 1;
    margin-bottom: 12px;
}
.sol-arch-card h3 {
    font-size: 17px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 10px;
}
.sol-arch-card p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.7;
}

/* Features */
.sol-features {
    padding: 80px 0;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}
.sol-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.sol-feature-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px 28px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}
.sol-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}
.sol-feature-card:hover {
    border-color: #3b82f6;
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(59,130,246,0.12);
}
.sol-feature-card:hover::before {
    transform: scaleX(1);
}
.sol-feature-icon {
    margin-bottom: 16px;
}
.sol-feature-icon svg {
    width: 32px;
    height: 32px;
    color: #2563eb;
}
.sol-feature-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 10px;
}
.sol-feature-card p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.7;
}

/* Tech */
.sol-tech {
    padding: 80px 0;
    background: #fff;
}
.sol-tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.sol-tech-group {
    background: #f8fafc;
    border-radius: 16px;
    padding: 28px 24px;
    border: 1px solid #e2e8f0;
}
.sol-tech-group-title {
    font-size: 16px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e2e8f0;
}
.sol-tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.sol-tech-badge {
    padding: 6px 12px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: #475569;
    transition: all 0.3s;
}
.sol-tech-badge:hover {
    background: #3b82f6;
    color: #fff;
    border-color: #3b82f6;
    transform: translateY(-2px);
}

/* Process */
.sol-process {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}
.sol-process-flow {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.sol-process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
    max-width: 140px;
}
.sol-step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(59,130,246,0.3);
}
.sol-process-step h4 {
    font-size: 15px;
    font-weight: 700;
    color: #1e293b;
}
.sol-process-step p {
    font-size: 12px;
    color: #64748b;
    line-height: 1.6;
}
.sol-process-arrow {
    font-size: 20px;
    color: #3b82f6;
    font-weight: 700;
    margin-top: 14px;
}

/* Advantages */
.sol-advantages {
    padding: 80px 0;
    background: #fff;
}
.sol-advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.sol-advantage-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 20px;
    padding: 36px 28px;
    text-align: center;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}
.sol-advantage-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: radial-gradient(ellipse at center bottom, rgba(59,130,246,0.1) 0%, transparent 70%);
}
.sol-advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 50px rgba(59,130,246,0.15);
}
.sol-advantage-num {
    font-size: 42px;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}
.sol-advantage-card h3 {
    font-size: 17px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 12px;
}
.sol-advantage-card p {
    font-size: 13px;
    color: #475569;
    line-height: 1.8;
}

/* Cases */
.sol-cases {
    padding: 80px 0;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}
.sol-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.sol-case-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px 28px;
    transition: all 0.4s;
    border-top: 4px solid transparent;
}
.sol-case-card:hover {
    border-color: #3b82f6;
    border-top-color: #3b82f6;
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(59,130,246,0.12);
}
.sol-case-card h4 {
    font-size: 17px;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 12px;
}
.sol-case-card p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 16px;
}
.sol-case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.sol-case-meta span {
    padding: 4px 10px;
    background: #eff6ff;
    color: #3b82f6;
    font-size: 11px;
    font-weight: 600;
    border-radius: 6px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sol-overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .sol-overview-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    .sol-pain-grid,
    .sol-arch-grid,
    .sol-advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .sol-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .sol-tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .sol-cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sol-hero {
        height: auto;
        padding: 120px 0 60px;
    }
    .sol-hero-title {
        font-size: 32px;
    }
    .sol-hero-desc {
        font-size: 14px;
    }
    .sol-hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    .sol-overview-features {
        grid-template-columns: 1fr;
    }
    .sol-pain-grid,
    .sol-arch-grid,
    .sol-advantages-grid,
    .sol-features-grid {
        grid-template-columns: 1fr;
    }
    .sol-tech-grid {
        grid-template-columns: 1fr;
    }
    .sol-process-flow {
        flex-direction: column;
        align-items: center;
    }
    .sol-process-arrow {
        transform: rotate(90deg);
    }
    .sol-arch-flow {
        flex-direction: column;
    }
    .sol-arch-arrow {
        transform: rotate(90deg);
    }
}