/* ===== CSS变量 ===== */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --text-dark: #0f172a;
    --text-gray: #475569;
    --text-light: #94a3b8;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 8px 32px rgba(15, 23, 42, 0.12);
    --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

/* ===== 基础重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: #fff;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ===== 容器 ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}
.container-fluid {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== 通用Section ===== */
.section {
    padding: 80px 0;
    position: relative;
}
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.section-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-subtitle, .section-desc {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
}
.btn-primary {
    background: #2563EB;
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.18);
}
.btn-primary:hover {
    background: #1D4ED8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.22);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-white { background: #fff; color: var(--primary); }
.btn-outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.5); }
.btn-outline-white:hover { background: #fff; color: var(--primary); }

/* ===== 顶部导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
    transition: all 0.3s ease;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand img { height: 36px; }
.brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.01em;
}
.main-nav {
    display: flex;
    gap: 8px;
}
.nav-link {
    padding: 8px 16px;
    font-size: 15px;
    color: var(--text-gray);
    border-radius: 6px;
    transition: all 0.2s ease;
}
.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.08);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.phone-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}
.phone-link:hover { color: var(--primary); }
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.mobile-nav {
    display: none;
    padding: 16px 24px;
    background: #fff;
    border-top: 1px solid var(--border);
}
.mobile-nav a {
    display: block;
    padding: 12px 0;
    font-size: 15px;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border);
}
.mobile-nav a.active, .mobile-nav a:hover { color: var(--primary); }

/* ===== Hero Banner ===== */
.hero {
    position: relative;
    min-height: 680px;
    height: 680px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-bg-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}
.hero-bg-slide.active {
    opacity: 1;
}
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}
.hero-bg-base {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        rgba(15, 23, 42, 0.5) 0%,
        rgba(15, 23, 42, 0.35) 25%,
        rgba(15, 23, 42, 0.1) 60%,
        rgba(15, 23, 42, 0.05) 100%
    );
}
.hero-bg-factory, .hero-bg-factory2 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: radial-gradient(ellipse at center bottom, rgba(59, 130, 246, 0.15) 0%, transparent 60%);
}
.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        rgba(15, 23, 42, 0.05) 0%,
        rgba(15, 23, 42, 0.15) 50%,
        rgba(15, 23, 42, 0.4) 100%
    );
}
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero-bg-glow-top {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
}
.hero-bg-glow-bottom {
    position: absolute;
    bottom: -200px;
    right: 10%;
    width: 500px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
}
.hero-bg-circuit {
    position: absolute;
    inset: 0;
    opacity: 0.3;
}
.hero-bg-circuit svg { width: 100%; height: 100%; }
.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); opacity: 0.6; }
    50% { transform: translateY(-20px); opacity: 0.3; }
}
.hero-container {
    position: relative;
    z-index: 2;
    padding-top: 100px;
    padding-bottom: 80px;
    padding-left: 180px;
    max-width: 920px;
    margin-left: 0;
    text-align: left;
}
.hero-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 180px;
    right: -120px;
    transform: translateY(-50%);
    width: 760px;
    height: 580px;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(15, 23, 42, 0.55) 0%, rgba(15, 23, 42, 0.28) 45%, rgba(15, 23, 42, 0.1) 70%, transparent 85%);
    filter: blur(28px);
    z-index: -1;
    pointer-events: none;
}
.hero-slides { position: relative; }
.hero-content {
    display: none;
    animation: fadeInUp 0.8s ease;
}
.hero-content.active { display: block; }
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #fff;
    line-height: 1.12;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 18px rgba(15, 23, 42, 0.65);
    white-space: nowrap;
}
.hero-title-highlight {
    display: block;
    color: #ffffff;
    font-weight: 700;
}
.hero-subtitle {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 16px;
    font-weight: 500;
    text-shadow: 0 2px 12px rgba(15, 23, 42, 0.6);
}
.hero-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 36px;
    max-width: 560px;
}
.hero-actions {
    display: flex;
    gap: 16px;
}
.hero-btn-primary {
    background: #2563EB;
    color: #fff;
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
    transition: all 0.3s ease;
}
.hero-btn-primary:hover {
    background: #1D4ED8;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.32);
}
.hero-btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}
.hero-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
}
.hero-features-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(59, 130, 246, 0.2);
}
.hero-features-row {
    display: flex;
    justify-content: space-around;
}
.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 500;
}
.hero-feature-item svg { color: #34d399; }

/* ===== 业务服务卡片 ===== */
.services-section {
    background: var(--bg-light);
}
/* ===== 业务服务卡片 - 报价风格 ===== */
.svc-pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    align-items: stretch;
}
.svc-pcard {
    background: #fff;
    border-radius: 20px;
    padding: 0;
    border: 2px solid #E5E7EB;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.svc-pcard:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}
.svc-pcard--featured {
    border: 2px solid #2563EB;
    background: #EFF6FF;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.14);
    transform: scale(1.04);
    z-index: 3;
}
.svc-pcard--featured:hover {
    transform: scale(1.04) translateY(-4px);
}
.svc-pcard--featured .svc-pcard__title {
    color: #1D4ED8;
    font-size: 20px;
}
.svc-pcard--featured .svc-pcard__desc {
    color: #1D4ED8;
    opacity: 0.85;
}
.svc-pcard--featured .svc-pcard__header {
    border-bottom-color: rgba(37, 99, 235, 0.2);
}
.svc-pcard--featured .svc-pcard__features li {
    color: #1E3A8A;
}
.svc-pcard__badge {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 22px;
    background: #2563EB;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 20px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.30);
    white-space: nowrap;
    z-index: 4;
}
.svc-pcard--featured .svc-pcard__header::after {
    content: none;
}
.svc-pcard__media {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #f1f5f9;
}
.svc-pcard__media img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.svc-pcard:hover .svc-pcard__media img {
    transform: scale(1.05);
}
.svc-pcard__header {
    text-align: center;
    margin: 0;
    padding: 14px 16px 12px;
    border-bottom: 1px solid #E5E7EB;
}
.svc-pcard__header::after {
    content: none;
}
.svc-pcard__title {
    font-size: 17px;
    font-weight: 800;
    color: #1F2937;
    margin-bottom: 6px;
}
.svc-pcard__desc {
    font-size: 12.5px;
    color: #6B7280;
    line-height: 1.5;
}
.svc-pcard__body {
    flex: 1;
    margin-bottom: 0;
    padding: 12px 16px;
}
.svc-pcard__features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px 10px;
}
.svc-pcard__features li {
    padding: 4px 0;
    font-size: 12.5px;
    color: #334155;
    line-height: 1.5;
    text-align: center;
}
.svc-pcard__features li.included::before {
    content: none;
}
/* 卡片hover业务简述浮层 */
.svc-pcard__overlay {
    position: absolute;
    inset: 0;
    z-index: 6;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: 22px 18px 18px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
    border-radius: inherit;
}
.svc-pcard:hover .svc-pcard__overlay {
    opacity: 1;
    visibility: visible;
}
.svc-pcard__overlay-title {
    font-size: 15px;
    font-weight: 700;
    color: #1F2937;
    text-align: center;
    letter-spacing: -0.01em;
}
.svc-pcard__overlay-desc {
    font-size: 12.5px;
    line-height: 1.75;
    color: #475569;
    text-align: left;
}
.svc-pcard__overlay-btn {
    display: inline-block;
    align-self: center;
    padding: 10px 26px;
    background: #2563EB;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.18);
    white-space: nowrap;
}
.svc-pcard__overlay-btn:hover {
    background: #1D4ED8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.24);
}
.svc-pcard--purple { --svc-accent: #7c3aed; }
.svc-pcard--cyan { --svc-accent: #0891b2; }
.svc-pcard--blue { --svc-accent: #2563eb; }
.svc-pcard--indigo { --svc-accent: #4f46e5; }
.svc-pcard--teal { --svc-accent: #0d9488; }
.svc-pcard--rose { --svc-accent: #e11d48; }
.svc-pcard--green { --svc-accent: #16a34a; }
.svc-pcard--orange { --svc-accent: #ea580c; }

/* ===== 业务范围展示区 - 工业风格 ===== */
.service-scope-wrapper {
    margin-top: 48px;
    position: relative;
    padding: 80px 0;
    background: #f8fafc;
}
.service-scope-wrapper .section-header {
    margin-bottom: 40px;
}
.service-scope-wrapper .section-title {
    color: #1e293b;
}
.service-scope-wrapper .section-desc {
    color: #64748b;
}

/* ===== 开发覆盖 - 网格卡片样式 ===== */
.scope-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.scope-card {
    position: relative;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 32px 28px 28px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}
.scope-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.12);
    transform: translateY(-4px);
}
.scope-card.recommended {
    border: 2px solid #3b82f6;
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.18);
}
.scope-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}
.scope-card__title {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 8px;
    text-align: center;
}
.scope-card.recommended .scope-card__title {
    color: #2563eb;
    font-size: 22px;
}
.scope-card__desc {
    font-size: 13px;
    color: #64748b;
    text-align: center;
    margin: 0 0 24px;
    line-height: 1.5;
}
.scope-features {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    flex-grow: 1;
}
.scope-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    font-size: 14px;
    color: #475569;
    border-bottom: 1px solid #f1f5f9;
}
.scope-features li:last-child {
    border-bottom: none;
}
.check-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background: #22c55e;
    border-radius: 50%;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.check-icon::after {
    content: '';
    width: 10px;
    height: 6px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translate(1px, -1px);
}
.scope-btn {
    display: block;
    text-align: center;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    color: #475569;
    background: #fff;
}
.scope-card:hover .scope-btn {
    border-color: #3b82f6;
    color: #3b82f6;
}
.scope-card.recommended .scope-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    color: #fff;
    padding: 14px 20px;
}
.scope-card.recommended:hover .scope-btn {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

/* ===== 开发覆盖 - 响应式 ===== */
@media (max-width: 1200px) {
    .scope-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 900px) {
    .scope-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .scope-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 以下为旧轮播样式（已弃用） ===== */
.service-scope-track::-webkit-scrollbar { display: none; }
.service-scope-item {
    flex: 0 0 auto;
    width: 310px;
    scroll-snap-align: start;
    position: relative;
    padding: 32px 24px 24px;
    background: 
        linear-gradient(135deg, #141b28 0%, #0d1320 50%, #111827 100%);
    border-radius: 0;
    border: 1px solid rgba(100, 116, 139, 0.25);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(15, 23, 42, 0.8) inset,
        0 1px 0 rgba(255, 255, 255, 0.03) inset;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* 电路板纹理 */
.service-scope-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.06) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.6;
    pointer-events: none;
    z-index: 0;
}

/* 角落装饰 - L型支架 */
.service-scope-item::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    width: 20px;
    height: 20px;
    border-top: 2px solid var(--scope-color, #3b82f6);
    border-left: 2px solid var(--scope-color, #3b82f6);
    opacity: 0.8;
    z-index: 3;
}

/* 右下角L型装饰 */
.service-scope-item > .scope-corner-br {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border-bottom: 2px solid var(--scope-color, #3b82f6);
    border-right: 2px solid var(--scope-color, #3b82f6);
    opacity: 0.8;
    z-index: 3;
}

/* 底部装饰线 - 扫描效果 */
.service-scope-item > .scan-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--scope-color, #3b82f6) 20%, 
        var(--scope-color, #3b82f6) 80%, 
        transparent 100%);
    box-shadow: 0 0 12px color-mix(in srgb, var(--scope-color, #3b82f6) 60%, transparent);
    opacity: 0.5;
    z-index: 2;
}

/* LED状态指示灯 */
.service-scope-item > .led-indicator {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 
        0 0 8px #22c55e,
        0 0 16px rgba(34, 197, 94, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.3);
    z-index: 3;
    animation: ledPulse 2s ease-in-out infinite;
}
@keyframes ledPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px #22c55e, 0 0 16px rgba(34, 197, 94, 0.4), inset 0 1px 2px rgba(255, 255, 255, 0.3); }
    50% { opacity: 0.7; box-shadow: 0 0 4px #22c55e, 0 0 8px rgba(34, 197, 94, 0.3), inset 0 1px 2px rgba(255, 255, 255, 0.3); }
}
.service-scope-item:nth-child(3n) > .led-indicator { background: #eab308; box-shadow: 0 0 8px #eab308, 0 0 16px rgba(234, 179, 8, 0.4), inset 0 1px 2px rgba(255, 255, 255, 0.3); }
.service-scope-item:nth-child(3n+1) > .led-indicator { background: #22c55e; box-shadow: 0 0 8px #22c55e, 0 0 16px rgba(34, 197, 94, 0.4), inset 0 1px 2px rgba(255, 255, 255, 0.3); }
.service-scope-item:nth-child(3n+2) > .led-indicator { background: #3b82f6; box-shadow: 0 0 8px #3b82f6, 0 0 16px rgba(59, 130, 246, 0.4), inset 0 1px 2px rgba(255, 255, 255, 0.3); }

/* 卡片悬停效果 */
.service-scope-item:hover {
    transform: translateY(-3px);
    border-color: var(--scope-color, #3b82f6);
    box-shadow: 
        0 6px 24px rgba(0, 0, 0, 0.6),
        0 0 0 1px color-mix(in srgb, var(--scope-color, #3b82f6) 50%, transparent) inset,
        0 0 32px color-mix(in srgb, var(--scope-color, #3b82f6) 15%, transparent);
}
.service-scope-item:hover::after {
    border-color: #fff;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}
.service-scope-item:hover > .scan-line {
    opacity: 1;
    animation: scanSweep 2s linear infinite;
}
@keyframes scanSweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 编号样式 - 工业终端风格 */
.service-scope-item .scope-number {
    position: absolute;
    top: 14px;
    left: 16px;
    font-size: 11px;
    font-weight: 700;
    color: var(--scope-color, #3b82f6);
    line-height: 1;
    z-index: 2;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 3px 8px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid color-mix(in srgb, var(--scope-color, #3b82f6) 40%, transparent);
    border-radius: 1px;
}

/* === 特色卡片 - 控制面板风格 === */
.service-scope-item.featured {
    width: 380px;
    padding: 36px 28px 28px;
    background: 
        linear-gradient(135deg, #0d1f3c 0%, #0a1628 50%, #0d1320 100%);
    border: 2px solid var(--scope-color, #3b82f6);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(59, 130, 246, 0.3) inset,
        0 1px 0 rgba(255, 255, 255, 0.05) inset,
        0 0 40px color-mix(in srgb, var(--scope-color, #3b82f6) 12%, transparent);
}
.service-scope-item.featured::after {
    top: 8px;
    left: 8px;
    width: 28px;
    height: 28px;
    border-top-width: 3px;
    border-left-width: 3px;
}
.service-scope-item.featured > .scope-corner-br {
    bottom: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-bottom-width: 3px;
    border-right-width: 3px;
}
.service-scope-item.featured > .scan-line {
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--scope-color, #3b82f6) 15%, 
        #8b5cf6 50%,
        var(--scope-color, #3b82f6) 85%, 
        transparent 100%);
    background-size: 200% 100%;
    animation: industrialShimmer 3s linear infinite;
}
@keyframes industrialShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.service-scope-item.featured:hover {
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.7),
        0 0 0 1px var(--scope-color, #3b82f6) inset,
        0 0 60px color-mix(in srgb, var(--scope-color, #3b82f6) 25%, transparent);
}
.service-scope-item.featured .scope-number { 
    font-size: 12px; 
    color: #60a5fa; 
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.5);
}
.service-scope-item.featured .service-scope-label { 
    font-size: 22px; 
    margin-bottom: 28px; 
}
.service-scope-item.featured .service-scope-tags span { 
    font-size: 13px; 
    padding: 7px 16px; 
}

/* === 业务标签 === */
.service-scope-label {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    margin-left: 60px;
    font-size: 17px;
    font-weight: 700;
    color: #f1f5f9;
    padding: 0;
    position: relative;
    z-index: 1;
    letter-spacing: 1px;
    text-transform: none;
}
.service-scope-label::before {
    content: '';
    position: absolute;
    left: -60px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 2px;
    background: linear-gradient(90deg, var(--scope-color, #3b82f6), transparent);
    box-shadow: 0 0 8px color-mix(in srgb, var(--scope-color, #3b82f6) 60%, transparent);
}
.service-scope-label::after {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--scope-color, #3b82f6);
    border-radius: 50%;
    margin-left: -56px;
    box-shadow: 0 0 8px color-mix(in srgb, var(--scope-color, #3b82f6) 80%, transparent);
    animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

/* === 标签徽章 === */
.service-scope-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px 9px;
    position: relative;
    z-index: 1;
}
.service-scope-tags span {
    padding: 4px 11px;
    background: rgba(30, 41, 59, 0.8);
    color: #cbd5e1;
    font-size: 11px;
    font-weight: 500;
    border-radius: 0;
    border: 1px solid rgba(71, 85, 105, 0.5);
    transition: all 0.25s ease;
    cursor: default;
    line-height: 1.4;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    letter-spacing: 0.5px;
    position: relative;
}
.service-scope-tags span::before { 
    display: none; 
}
.service-scope-tags span::after { 
    display: none; 
}
.service-scope-tags span:hover {
    background: var(--scope-color, #3b82f6);
    color: #fff;
    border-color: var(--scope-color, #3b82f6);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--scope-color, #3b82f6) 40%, transparent);
}

/* 每项的主题色 */
.service-scope-item:nth-child(1) { --scope-color: #6366f1; --scope-color-glow: #4f46e5; }
.service-scope-item:nth-child(2) { --scope-color: #3b82f6; --scope-color-glow: #2563eb; }
.service-scope-item:nth-child(3) { --scope-color: #06b6d4; --scope-color-glow: #0891b2; }
.service-scope-item:nth-child(4) { --scope-color: #8b5cf6; --scope-color-glow: #7c3aed; }
.service-scope-item:nth-child(5) { --scope-color: #22d3ee; --scope-color-glow: #0e7490; }
.service-scope-item:nth-child(6) { --scope-color: #a855f7; --scope-color-glow: #9333ea; }
.service-scope-item:nth-child(7) { --scope-color: #3b82f6; --scope-color-glow: #1d4ed8; }

/* === 箭头导航 === */
.scope-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 0;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(100, 116, 139, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 18px;
    font-weight: bold;
    font-family: 'Consolas', 'Monaco', monospace;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
}
.scope-arrow::before {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    pointer-events: none;
}
.scope-arrow:hover {
    background: linear-gradient(135deg, var(--scope-color, #3b82f6), var(--scope-color-glow, #2563eb));
    color: #fff;
    border-color: var(--scope-color, #3b82f6);
    box-shadow: 
        0 6px 24px color-mix(in srgb, var(--scope-color, #3b82f6) 40%, transparent),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-50%) scale(1.05);
}
.scope-arrow:hover::before {
    border-color: rgba(255, 255, 255, 0.3);
}
.scope-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: #0f172a;
    color: #475569;
    border-color: rgba(71, 85, 105, 0.3);
    box-shadow: none;
}
.scope-arrow:disabled::before { display: none; }
.scope-arrow--prev { left: 8px; }
.scope-arrow--next { right: 8px; }
.section-more {
    text-align: center;
    margin-top: 32px;
}

/* ===== 案例展示 - 主图+缩略图 ===== */
.case-show-section {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}
.case-show-main {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 28px;
    align-items: stretch;
}
.case-stage {
    background: #fff;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
    height: 100%;
}
.case-stage__image {
    position: relative;
    min-height: 260px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.case-stage__image > img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: opacity 0.3s ease;
}
.case-stage__image img.fade {
    opacity: 0;
}
.case-stage__title {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    background: rgba(0, 0, 0, 0.55);
}
.case-thumbs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 12px;
    height: 100%;
}
.case-thumb {
    position: relative;
    background: #fff;
    border: 2px solid #E5E7EB;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}
.case-thumb:hover {
    border-color: rgba(59, 130, 246, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}
.case-thumb.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15), 0 6px 18px rgba(59, 130, 246, 0.2);
}
.case-thumb img {
    width: 100%;
    flex: 1;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
    min-height: 0;
}
.case-thumb:hover img {
    transform: scale(1.04);
}
.case-thumb__name {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 6px 8px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: rgba(0, 0, 0, 0.55);
}

/* ===== 物联网平台开发案例（网格布局） ===== */
.iot-case-section {
    background: #fff;
    padding: 72px 0;
}
.iot-case-slider {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.iot-case-card {
    position: relative;
    aspect-ratio: 2075 / 1101;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #E5E7EB;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: #F1F5F9;
}
.iot-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
}
.iot-case-card > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.iot-case-card:hover > img {
    transform: scale(1.05);
}
/* 标题栏 - 始终可见 */
.iot-case-card__title-bar {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 10px 14px;
    background: linear-gradient(180deg, rgba(15,23,42,0) 0%, rgba(15,23,42,0.82) 100%);
    z-index: 2;
}
.iot-case-card__title-bar h3 {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    margin: 0;
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
/* hover 浮层 - 简述 + 咨询按钮 */
.iot-case-card__overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    background: rgba(15, 23, 42, 0.82);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}
.iot-case-card:hover .iot-case-card__overlay {
    opacity: 1;
    visibility: visible;
}
.iot-case-card__overlay h3 {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    margin: 0;
}
.iot-case-card__overlay p {
    font-size: 12px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.88);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.iot-case-card__btn {
    display: inline-block;
    align-self: center;
    margin-top: 2px;
    padding: 7px 22px;
    background: #2563EB;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.30);
    white-space: nowrap;
}
.iot-case-card__btn:hover {
    background: #1D4ED8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.36);
}

/* ===== 移动端开发案例（4列 × 2行） ===== */
.mobile-case-section {
    background: #F8FAFC;
    padding: 72px 0;
}
.mobile-case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.mobile-case-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #E5E7EB;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.mobile-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
    border-color: #CBD5E1;
}
.mobile-case-card__media {
    position: relative;
    width: 100%;
    aspect-ratio: 655 / 1130;
    overflow: hidden;
    background: #F1F5F9;
}
.mobile-case-card__media > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.82);
    transition: transform 0.4s ease, filter 0.3s ease;
}
.mobile-case-card:hover .mobile-case-card__media > img {
    transform: scale(1.04);
    filter: brightness(0.95);
}
/* hover 浮层 - 标题 + 简述 + 咨询按钮 */
.mobile-case-card__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: rgba(15, 23, 42, 0.82);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}
.mobile-case-card:hover .mobile-case-card__overlay {
    opacity: 1;
    visibility: visible;
}
.mobile-case-card__overlay h3 {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    margin: 0;
}
.mobile-case-card__overlay p {
    font-size: 12px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.88);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.mobile-case-card__btn {
    display: inline-block;
    align-self: center;
    margin-top: 2px;
    padding: 7px 20px;
    background: #2563EB;
    color: #fff;
    font-size: 12.5px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.30);
    white-space: nowrap;
}
.mobile-case-card__btn:hover {
    background: #1D4ED8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.36);
}
.mobile-case-card__body {
    padding: 16px 18px 20px;
    flex: 1;
}
.mobile-case-card__body h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}
.mobile-case-card__body p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.65;
    margin: 0;
}
@media (max-width: 1024px) {
    .iot-case-slider {
        grid-template-columns: repeat(3, 1fr);
    }
    .mobile-case-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 768px) {
    .iot-case-slider {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .mobile-case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

/* ===== 一站式产线自动化研发服务 ===== */
.automation-process-section {
    background: var(--bg-light);
    position: relative;
}
.process-flow {
    display: flex;
    align-items: stretch;
    gap: 0;
    overflow-x: auto;
    padding: 20px 0 30px;
    position: relative;
    z-index: 1;
}
.process-step {
    flex: 0 0 180px;
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 36px 20px 24px;
    text-align: center;
    transition: all 0.35s ease;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
    overflow: hidden;
}
.process-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
}
.process-step__num {
    position: absolute;
    top: 14px;
    right: 14px;
    font-size: 20px;
    font-weight: 800;
    color: var(--step-color, #3b82f6);
    opacity: 0.12;
    letter-spacing: 1px;
    font-family: 'Arial', sans-serif;
}
.process-step__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 14px;
    background: var(--step-color, var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all 0.35s ease;
}
.process-step__icon svg {
    width: 28px;
    height: 28px;
}
.process-step:hover .process-step__icon {
    transform: scale(1.08);
}
.process-step__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}
.process-step__desc {
    font-size: 13px;
    color: #64748b;
    line-height: 1.55;
}
.process-step__connector {
    flex: 0 0 28px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.process-step__connector::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #e2e8f0, #cbd5e1, #e2e8f0);
    transform: translateY(-50%);
    border-radius: 1px;
}
.process-step__connector::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: #fff;
    border: 2px solid var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 0 2px #fff, 0 2px 6px rgba(59, 130, 246, 0.3);
}

/* 为每个步骤设置不同主题色 */
.process-step:nth-child(1) {
    --step-color: #3b82f6;
}
.process-step:nth-child(3) {
    --step-color: #8b5cf6;
}
.process-step:nth-child(5) {
    --step-color: #06b6d4;
}
.process-step:nth-child(7) {
    --step-color: #10b981;
}
.process-step:nth-child(9) {
    --step-color: #f59e0b;
}
.process-step:nth-child(11) {
    --step-color: #f43f5e;
}
.process-step:nth-child(13) {
    --step-color: #6366f1;
}

.process-flow::-webkit-scrollbar {
    height: 4px;
}
.process-flow::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 2px;
}
.process-flow::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 2px;
}

/* ===== 行业解决方案 ===== */
.industry-section {
    background: var(--bg-light);
}
.industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.ind-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}
.ind-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.ind-card__image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}
.ind-card__image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.ind-card:hover .ind-card__image img {
    transform: scale(1.05);
}
.ind-card__body {
    padding: 12px 14px 14px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.ind-card__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 12px;
    padding: 8px 16px;
    align-self: stretch;
    background: rgba(37,99,235,0.06);
    color: #2563EB;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid rgba(37,99,235,0.25);
    border-radius: 8px;
    transition: all 0.3s ease;
}
.ind-card__btn:hover {
    background: #2563EB;
    border-color: transparent;
    color: #fff;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.18);
}
.ind-card__btn-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}
.ind-card__btn:hover .ind-card__btn-arrow {
    transform: translateX(3px);
}
.ind-card__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ind-card__sub {
    font-size: 12px;
    color: var(--text-gray);
    font-weight: 400;
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 行业解决方案卡片 - 悬停详情遮罩 ===== */
.ind-card__num {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 3;
    width: 34px;
    height: 34px;
    background: rgba(37, 99, 235, 0.92);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.2);
}

.ind-card__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 18px;
    padding: 24px 20px;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.ind-card:hover .ind-card__overlay {
    opacity: 1;
}

.ind-card__detail {
    color: #fff;
    font-size: 13px;
    line-height: 1.75;
    margin: 0;
    text-align: justify;
}

.ind-card__overlay .ind-card__btn {
    align-self: center;
    margin-top: 0;
    background: #2563EB;
    color: #fff;
    border-color: transparent;
    padding: 9px 26px;
}

.ind-card__overlay .ind-card__btn:hover {
    background: #1D4ED8;
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.3);
}

@media (hover: none) {
    .ind-card__overlay {
        opacity: 1;
        position: relative;
        background: #f8fafc;
        padding: 16px 18px;
    }
    .ind-card__detail {
        color: var(--text-dark);
    }
    .ind-card__overlay .ind-card__btn {
        background: rgba(37, 99, 235, 0.06);
        color: #2563EB;
        border: 1px solid rgba(37, 99, 235, 0.25);
    }
    .svc-pcard__overlay {
        opacity: 1;
        visibility: visible;
        position: relative;
        background: rgba(248, 250, 252, 0.96);
        padding: 14px 16px;
        gap: 10px;
    }
    .svc-pcard__overlay-title {
        text-align: left;
    }
    .iot-case-card__overlay {
        opacity: 1;
        visibility: visible;
        position: absolute;
        background: rgba(15, 23, 42, 0.78);
    }
    .iot-case-card__title-bar {
        display: none;
    }
    .mobile-case-card__overlay {
        opacity: 1;
        visibility: visible;
        background: rgba(15, 23, 42, 0.78);
    }
    .mobile-case-card__body {
        display: none;
    }
}

/* ===== 响应式 - 开发覆盖工业卡片 ===== */
@media (max-width: 1024px) {
    .service-scope-item {
        width: 280px;
    }
    .service-scope-item.featured {
        width: 340px;
    }
    .service-scope-label {
        font-size: 15px;
        margin-left: 52px;
    }
    .service-scope-label::before {
        left: -52px;
        width: 36px;
    }
    .service-scope-label::after {
        margin-left: -48px;
    }
}

@media (max-width: 768px) {
    .service-scope-track {
        padding: 16px 40px 20px;
        gap: 12px;
    }
    .service-scope-item {
        width: 260px;
        padding: 28px 20px 20px;
    }
    .service-scope-item.featured {
        width: 300px;
        padding: 32px 22px 22px;
    }
    .service-scope-label {
        font-size: 14px;
        margin-left: 48px;
        margin-bottom: 20px;
    }
    .service-scope-label::before {
        left: -48px;
        width: 32px;
    }
    .service-scope-label::after {
        margin-left: -44px;
    }
    .service-scope-tags {
        gap: 6px 8px;
    }
    .service-scope-tags span {
        padding: 3px 9px;
        font-size: 10px;
    }
    .service-scope-item.featured .service-scope-tags span {
        font-size: 11px;
        padding: 5px 12px;
    }
    .scope-arrow {
        width: 36px;
        height: 36px;
        font-size: 15px;
    }
    .service-scope-item.featured .service-scope-label {
        font-size: 18px;
        margin-bottom: 24px;
    }
    .service-scope-item.featured .scope-number {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .service-scope-track {
        padding: 12px 32px 16px;
    }
    .service-scope-item {
        width: 240px;
        padding: 24px 16px 16px;
    }
    .service-scope-item.featured {
        width: 270px;
        padding: 28px 18px 18px;
    }
    .service-scope-label {
        font-size: 13px;
        margin-left: 44px;
    }
    .service-scope-label::before {
        left: -44px;
        width: 28px;
    }
    .service-scope-label::after {
        margin-left: -40px;
    }
    .service-scope-item.featured .service-scope-label {
        font-size: 16px;
    }
    .scope-arrow {
        width: 32px;
        height: 32px;
    }
    .scope-arrow::before {
        inset: 3px;
    }
}

/* ===== 滚动进入动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Header滚动状态 ===== */
.site-header.scrolled {
    background: #fff;
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}

/* ===== 核心优势 ===== */
.advantages-section {
    background: #fff;
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.advantage-card {
    position: relative;
    padding: 36px 28px 28px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}
.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
}
.advantage-card--warm { --adv-color: #f59e0b; background: linear-gradient(180deg, #fffbeb 0%, #fff 40%); }
.advantage-card--peach { --adv-color: #f43f5e; background: linear-gradient(180deg, #fff1f2 0%, #fff 40%); }
.advantage-card--mint { --adv-color: #10b981; background: linear-gradient(180deg, #ecfdf5 0%, #fff 40%); }
.advantage-card--sky { --adv-color: #3b82f6; background: linear-gradient(180deg, #eff6ff 0%, #fff 40%); }
.advantage-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 48px;
    font-weight: 800;
    color: var(--adv-color, var(--primary));
    opacity: 0.12;
    line-height: 1;
}
.advantage-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--adv-color, var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 20px;
}
.advantage-icon svg {
    width: 28px;
    height: 28px;
}
.advantage-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}
.advantage-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}
.advantage-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.advantage-list li {
    font-size: 12px;
    font-weight: 600;
    color: var(--adv-color, var(--primary));
    padding: 4px 12px;
    background: color-mix(in srgb, var(--adv-color, var(--primary)) 10%, transparent);
    border-radius: 20px;
}

/* ===== 开发流程 ===== */
.process-section {
    background: var(--bg-light);
}
.process-flow {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}
.process-step {
    flex: 1;
    min-width: 140px;
    max-width: 180px;
    text-align: center;
    padding: 28px 16px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.3s ease;
}
.process-step:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.10);
    border-color: var(--primary);
}
.step-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}
.step-icon svg {
    width: 24px;
    height: 24px;
}
.step-num {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    font-family: 'Consolas', monospace;
}
.process-step h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}
.process-step p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.5;
}
.process-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    font-size: 24px;
    color: var(--text-light);
    font-weight: 300;
}

/* ===== 技术栈展示 ===== */
.tech-section {
    background: #fff;
    padding-bottom: 60px;
}
.tech-marquee-wrapper {
    overflow: hidden;
    padding: 16px 0;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.tech-marquee {
    display: flex;
    gap: 20px;
    width: max-content;
    position: relative;
    left: 0;
    animation: techScroll 40s linear infinite;
}
.tech-marquee-reverse {
    animation: techScrollReverse 40s linear infinite;
}
.tech-marquee-wrapper:hover .tech-marquee {
    animation-play-state: paused;
}
@keyframes techScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
@keyframes techScrollReverse {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}
.tech-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--bg-light);
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    flex-shrink: 0;
}
.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}
.tech-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}
.tech-item-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
}
.tech-item-type {
    font-size: 11px;
    color: var(--text-light);
}

/* ===== 服务客户 ===== */
.clients-section {
    background: var(--bg-light);
}
.clients-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
}
.client-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 12px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    min-height: 80px;
}
.client-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    border-color: rgba(37, 99, 235, 0.3);
}
.client-logo {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 26px;
    font-weight: 700;
    overflow: hidden;
}
.client-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===== 资质证书 ===== */
.certifications-section {
    background: #fff;
}
.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.cert-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 24px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.cert-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.cert-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.10);
    border-color: var(--primary);
}
.cert-card:hover::before {
    opacity: 1;
}
.cert-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 16px;
    color: var(--primary);
    position: relative;
    z-index: 1;
}
.cert-icon svg {
    width: 100%;
    height: 100%;
}
.cert-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}
.cert-card p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}
.cert-year {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    padding: 4px 14px;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 20px;
    position: relative;
    z-index: 1;
}

/* ===== 媒体报道 ===== */
.media-section {
    background: var(--bg-light);
}
.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.media-card {
    padding: 32px 28px;
    background: #fff;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}
.media-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
    border-color: var(--media-color, var(--primary));
}
.media-card:hover .media-logo {
    transform: scale(1.05);
}
.media-card:hover .media-tag {
    box-shadow: 0 4px 12px color-mix(in srgb, var(--media-color, var(--primary)) 30%, transparent);
}
.media-source {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
}
.media-logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--media-color, var(--primary));
    transition: transform 0.35s ease;
    letter-spacing: 1px;
}
.media-date {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}
.media-date::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--media-color, var(--primary));
    opacity: 0.5;
}
.media-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--media-color, var(--primary));
    padding: 5px 14px;
    background: color-mix(in srgb, var(--media-color, var(--primary)) 10%, transparent);
    border-radius: 6px;
    margin-bottom: 16px;
    transition: all 0.35s ease;
}
.media-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 14px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.media-card:hover h3 {
    color: var(--media-color, var(--primary));
}
.media-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.media-meta {
    display: flex;
    gap: 24px;
    font-size: 13px;
    color: var(--text-light);
    padding-top: 16px;
    border-top: 1px solid #f1f5f9;
}
.media-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
}
.media-card:hover .media-meta span {
    color: var(--media-color, var(--primary));
}

/* ===== 最新行业资讯 ===== */
.news-section {
    background: #fff;
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.news-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 24px 24px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    overflow: hidden;
}
.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
    border-color: transparent;
}
.news-card:hover::before {
    transform: scaleX(1);
}
.news-card__tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    padding: 3px 10px;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 4px;
    margin-bottom: 14px;
    width: fit-content;
}
.news-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.news-card__date {
    font-size: 12px;
    color: var(--text-light);
}
.news-card__arrow {
    font-size: 16px;
    color: var(--primary);
    transition: transform 0.3s ease;
}
.news-card:hover .news-card__arrow {
    transform: translateX(4px);
}

/* ===== 最新签约客户 ===== */
.contracts-section {
    background: var(--bg-light);
}
.contracts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.contract-card {
    padding: 24px 24px 20px;
    background: #fff;
    border-radius: 14px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}
.contract-card:hover {
    transform: translateY(-4px);
    border-color: #CBD5E1;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}
.contract-card__body {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.contract-card__client {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}
.contract-card__project {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 14.5px;
    font-weight: 600;
    color: #2563EB;
    margin-bottom: 10px;
    line-height: 1.5;
    padding: 2px 12px 2px;
    border-left: 3px solid #2563EB;
}
.contract-card__project > span {
    flex-shrink: 0;
    margin-left: 10px;
    font-size: 12.5px;
    color: var(--text-light);
    font-weight: 500;
}
.contract-card__desc {
    font-size: 13.5px;
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0;
}

/* ===== 常见问题FAQ ===== */
.faq-section {
    background: #fff;
}
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.faq-more {
    text-align: center;
    margin-top: 32px;
}
.faq-more__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 30px;
    background: transparent;
    text-decoration: none;
    transition: all 0.3s ease;
}
.faq-more__btn:hover {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}
.faq-more__arrow {
    transition: transform 0.3s ease;
}
.faq-more__btn:hover .faq-more__arrow {
    transform: translateX(4px);
}
.faq-item {
    padding: 24px;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}
.faq-item:hover {
    background: #fff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}
.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}
.faq-question h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.5;
    padding-top: 4px;
}
.faq-answer {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.faq-answer .faq-icon {
    background: #94a3b8;
}
.faq-answer p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    padding-top: 5px;
}

/* ===== 地区子站导航 ===== */
.region-section {
    background: var(--bg-light);
}
.region-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.region-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.region-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.10);
    transform: translateY(-2px);
}
.region-card__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 8px;
    color: var(--primary);
}
.region-card__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}
.region-card__city {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
}
.region-card__service {
    font-size: 12px;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.region-card__arrow {
    flex-shrink: 0;
    font-size: 16px;
    color: var(--text-light);
    transition: all 0.3s ease;
}
.region-card:hover .region-card__arrow {
    color: var(--primary);
    transform: translateX(4px);
}

/* ===== CTA区域 ===== */
.cta-section {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
    overflow: hidden;
}
.cta-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}
.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}
.cta-content h2 {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}
.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
}
.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
    background: #0a0f1a;
    color: #94a3b8;
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-logo img {
    height: 36px;
}
.footer-logo span {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}
.footer-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 20px;
}
.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 8px;
}
.footer-contact p svg {
    color: #3b82f6;
    flex-shrink: 0;
}
.footer-contact a {
    color: #94a3b8;
    transition: color 0.2s ease;
}
.footer-contact a:hover {
    color: #3b82f6;
}
.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}
.footer-links li {
    margin-bottom: 12px;
}
.footer-links a {
    font-size: 14px;
    color: #64748b;
    transition: color 0.2s ease;
}
.footer-links a:hover {
    color: #3b82f6;
}
.footer-qr {
    text-align: center;
}
.footer-qr img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    margin-bottom: 8px;
}
.footer-qr p {
    font-size: 12px;
    color: #64748b;
}
.footer-bottom {
    padding: 24px 0;
    text-align: center;
}
.footer-bottom p {
    font-size: 13px;
    color: #475569;
    margin-bottom: 4px;
}
.footer-bottom a {
    color: #64748b;
    transition: color 0.2s ease;
}
.footer-bottom a:hover {
    color: #3b82f6;
}

/* ===== 侧边浮动咨询 ===== */
/* ===== 右侧悬浮按钮 - 醒目风格 ===== */
.side-float {
    position: fixed;
    right: 24px;
    bottom: 100px;
    z-index: 900;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.float-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 72px;
    height: 72px;
    padding: 12px;
    background: #2563EB;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.14);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
}
.float-item:nth-child(1) {
    background: #10B981;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.14);
}
.float-item:nth-child(1):hover {
    background: #059669;
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.18);
}
.float-item:nth-child(2) {
    background: #2563EB;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.14);
}
.float-item:nth-child(2):hover {
    background: #1D4ED8;
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.18);
}
.float-item:nth-child(3) {
    background: #F59E0B;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.14);
}
.float-item:nth-child(3):hover {
    background: #D97706;
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.18);
}
.float-item:nth-child(4) {
    background: #07C160;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.14);
}
.float-item:nth-child(4):hover {
    background: #06AD56;
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.18);
}
.float-item.float-wechat {
    position: relative;
}
.float-item.float-wechat:hover .wx-popover {
    opacity: 1;
    visibility: visible;
    transform: translateX(-10px) scale(1);
}
.wx-popover {
    position: absolute;
    right: 76px;
    bottom: 50%;
    transform: translateX(10px) scale(0.85);
    transform-origin: right bottom;
    background: #fff;
    border-radius: 14px;
    padding: 18px 16px 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
    opacity: 0;
    visibility: hidden;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    pointer-events: none;
    z-index: 1000;
}
.wx-popover::after {
    content: '';
    position: absolute;
    right: -8px;
    bottom: 30px;
    width: 0;
    height: 0;
    border-left: 8px solid #fff;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}
.wx-popover img {
    width: 160px;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}
.wx-popover-title {
    text-align: center;
    margin-top: 10px;
    font-size: 13px;
    font-weight: 600;
    color: #1F2937;
}
.wx-popover-tip {
    text-align: center;
    margin-top: 4px;
    font-size: 11px;
    color: #9CA3AF;
}
.float-item:hover {
    transform: translateY(-2px);
    color: #fff;
}
.float-item svg {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
}

/* ===== 全局响应式 ===== */
@media (max-width: 1024px) {
    .case-show-main {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .case-stage__image {
        min-height: 240px;
    }
    .process-step {
        flex: 0 0 160px;
    }
    .industry-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .clients-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .certs-grid,
    .media-grid,
    .contracts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .process-step {
        min-width: 120px;
    }
    .main-nav {
        display: none;
    }
    .mobile-menu-btn {
        display: flex;
    }
}

@media (max-width: 768px) {
    .case-show-main {
        grid-template-columns: 1fr;
        align-items: start;
    }
    .case-thumbs {
        grid-template-columns: repeat(5, 1fr);
        grid-template-rows: none;
        height: auto;
        order: 2;
    }
    .case-thumb img {
        flex: none;
        aspect-ratio: 4/3;
    }
    .case-stage__image {
        min-height: 240px;
    }
    .case-stage__title {
        font-size: 15px;
        padding: 12px 14px;
    }
    .case-thumb__name {
        display: none;
    }
    .process-flow {
        gap: 0;
    }
    .process-step {
        flex: 0 0 150px;
        padding: 28px 14px 20px;
    }
    .process-step__icon {
        width: 48px;
        height: 48px;
        margin-bottom: 12px;
        border-radius: 12px;
    }
    .process-step__icon svg {
        width: 22px;
        height: 22px;
    }
    .process-step__title {
        font-size: 14px;
    }
    .process-step__desc {
        font-size: 12px;
        line-height: 1.5;
    }
    .process-step__connector {
        flex: 0 0 20px;
    }
    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .section {
        padding: 56px 0;
    }
    .section-title {
        font-size: 28px;
    }
    .hero {
        min-height: 520px;
        height: auto;
        padding: 60px 0 0;
    }
    .hero-container {
        padding: 80px 0 40px;
        max-width: 100%;
    }
    .hero-container::before {
        display: none;
    }
    .hero-features-bar {
        position: relative;
        padding: 16px 0;
    }
    .header-actions {
        display: none;
    }
    .hero-title {
        font-size: 32px;
        white-space: normal;
    }
    .hero-subtitle {
        font-size: 18px;
    }
    .hero-desc {
        font-size: 14px;
        margin-bottom: 24px;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-btn-primary, .hero-btn-ghost {
        padding: 14px 28px;
        font-size: 15px;
    }
    .hero-features-row {
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
    }
    .hero-feature-item {
        font-size: 12px;
    }
    .svc-pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    .svc-pcard--featured {
        transform: scale(1.02);
    }
    .svc-pcard--featured:hover {
        transform: scale(1.02) translateY(-3px);
    }
    .svc-pcard__media {
        aspect-ratio: 16/10;
    }
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .process-flow {
        flex-direction: column;
        align-items: center;
    }
    .process-step {
        max-width: 100%;
        width: 100%;
    }
    .process-arrow {
        transform: rotate(90deg);
        padding: 8px 0;
    }
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .certs-grid,
    .media-grid,
    .contracts-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .cta-content h2 {
        font-size: 26px;
    }
    .cta-content p {
        font-size: 15px;
    }
    .cta-actions {
        flex-direction: column;
    }
    .cta-actions .btn {
        width: 100%;
    }
    .container,
    .container-fluid {
        padding: 0 20px;
    }
    .about-ys-fact {
        padding: 28px 0 !important;
    }
    .about-ys-fact__title {
        font-size: 18px !important;
        margin-bottom: 12px !important;
    }
    .about-ys-fact p {
        font-size: 14px !important;
        line-height: 1.75 !important;
        margin-bottom: 10px !important;
    }
    .side-float {
        right: 16px;
        bottom: 80px;
    }
    .float-item {
        width: 60px;
        height: 60px;
        font-size: 10px;
    }
    .float-item svg {
        width: 22px;
        height: 22px;
    }
    .region-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .industry-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .ind-card__title {
        font-size: 14px;
    }
    .ind-card__sub {
        font-size: 11px;
    }
    .section {
        padding: 40px 0;
    }
    .section-title {
        font-size: 24px;
    }
    .hero-title {
        font-size: 24px;
        white-space: normal;
    }
    .hero-subtitle {
        font-size: 15px;
    }
    .hero-desc {
        font-size: 13px;
        margin-bottom: 20px;
    }
    .hero-btn-primary, .hero-btn-ghost {
        padding: 12px 24px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }
    .hero-feature-item {
        font-size: 12px;
        width: 50%;
    }
    .svc-pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .svc-pcard__media {
        aspect-ratio: 4/3;
    }
    .svc-pcard__header {
        padding: 16px 14px 12px;
    }
    .svc-pcard__title {
        font-size: 15px;
    }
    .svc-pcard__body {
        padding: 12px 14px;
    }
    .svc-pcard__features li {
        font-size: 12px;
        padding: 5px 0;
    }
    .svc-pcard__overlay {
        padding: 16px 14px 14px;
        gap: 10px;
    }
    .svc-pcard__overlay-desc {
        font-size: 12px;
        line-height: 1.65;
    }
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .advantage-card {
        padding: 28px 20px 20px;
    }
    .advantage-card h3 {
        font-size: 17px;
    }
    .media-card,
    .news-card,
    .testimonial-card,
    .faq-item {
        padding: 20px 16px;
    }
    .region-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .region-card {
        padding: 14px 16px;
    }
    .cta-section {
        padding: 56px 0;
    }
    .cta-content h2 {
        font-size: 22px;
    }
    .side-float {
        flex-direction: row;
        gap: 8px;
        right: 12px;
        bottom: 20px;
    }
    .float-item {
        width: 44px;
        height: 44px;
        padding: 8px;
        font-size: 0;
        gap: 0;
    }
    .float-item svg {
        width: 20px;
        height: 20px;
    }
    .float-wechat .wx-popover {
        right: auto;
        left: 50%;
        bottom: 52px;
        transform: translateX(-50%) scale(0.85);
        transform-origin: bottom center;
    }
    .float-wechat:hover .wx-popover {
        transform: translateX(-50%) scale(1);
    }
    .float-wechat .wx-popover::after {
        right: auto;
        left: 50%;
        bottom: -6px;
        transform: translateX(-50%);
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
        border-top: 6px solid #fff;
        border-bottom: none;
    }
    .footer-bottom {
        padding: 16px 0;
    }
    .footer-bottom p {
        font-size: 12px;
        line-height: 1.8;
        padding: 0 16px;
        text-align: center;
    }
    .footer-bottom a {
        display: inline-block;
        margin: 2px 0;
    }
}

/* ===== 超小屏手机适配 (360px及以下) ===== */
@media (max-width: 360px) {
    .container,
    .container-fluid {
        padding: 0 14px;
    }
    .hero {
        min-height: 460px;
        padding-top: 40px;
    }
    .hero-container {
        padding: 70px 0 30px;
    }
    .hero-title {
        font-size: 21px;
    }
    .hero-subtitle {
        font-size: 14px;
    }
    .hero-desc {
        font-size: 12px;
        margin-bottom: 18px;
    }
    .hero-feature-item {
        width: 100%;
        font-size: 11px;
    }
    .section {
        padding: 32px 0;
    }
    .section-title {
        font-size: 21px;
    }
    .section-subtitle,
    .section-desc {
        font-size: 13px;
    }
    .svc-pricing-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .brand-text {
        font-size: 16px;
    }
    .brand img {
        height: 32px;
    }
    .float-item {
        width: 40px;
        height: 40px;
    }
    .float-item svg {
        width: 18px;
        height: 18px;
    }
}

/* ===== 案例功能简述面板 ===== */
.case-show-desc {
    margin-top: 20px;
    padding: 20px 24px;
    background: #fff;
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}
.case-show-desc__label {
    flex-shrink: 0;
    display: inline-block;
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    border-radius: 4px;
    white-space: nowrap;
    margin-top: 2px;
}
.case-show-desc__text {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.75;
    margin: 0;
}

/* ===== 案例详情入口按钮 ===== */
.case-stage__detail-btn {
    position: absolute;
    right: 16px;
    bottom: 16px;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    background: rgba(37, 99, 235, 0.92);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    backdrop-filter: blur(6px);
    transition: all 0.25s ease;
}
.case-stage__detail-btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

/* ===== 案例详情页 ===== */
.cd-breadcrumb {
    background: var(--bg-light);
    padding: 14px 0;
    font-size: 13px;
    color: var(--text-gray);
    margin-top: 72px;
}
.cd-breadcrumb a {
    color: var(--text-gray);
    transition: color 0.2s;
}
.cd-breadcrumb a:hover {
    color: var(--primary);
}
.cd-breadcrumb span {
    margin: 0 8px;
    color: var(--text-light);
}

/* 案例Hero */
.cd-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    padding: 60px 0 56px;
    position: relative;
    overflow: hidden;
}
.cd-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}
.cd-hero .container {
    position: relative;
    z-index: 1;
}
.cd-hero__tag {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    font-size: 12px;
    color: #93c5fd;
    margin-bottom: 18px;
    letter-spacing: 1px;
}
.cd-hero__title {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 14px;
}
.cd-hero__desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.7;
    max-width: 720px;
    margin-bottom: 0;
}
.cd-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.cd-hero__meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.cd-hero__meta-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}
.cd-hero__meta-value {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}

/* 案例主图 */
.cd-showcase {
    background: #fff;
    padding: 48px 0;
}
.cd-showcase__img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
    border: 1px solid var(--border);
}
.cd-showcase__caption {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 14px;
}

/* 章节通用 */
.cd-section {
    padding: 56px 0;
}
.cd-section--alt {
    background: var(--bg-light);
}
.cd-section__title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.cd-section__title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 24px;
    background: var(--primary);
    border-radius: 2px;
}
.cd-section__desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 32px;
}

/* 功能模块卡片 */
.cd-modules {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.cd-module {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px 24px;
    transition: all 0.3s ease;
}
.cd-module:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 28px rgba(59, 130, 246, 0.1);
    transform: translateY(-4px);
}
.cd-module__icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--primary);
}
.cd-module__icon svg {
    width: 26px;
    height: 26px;
}
.cd-module__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}
.cd-module__desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}
.cd-section--alt .cd-module {
    background: #fff;
}

/* 应用场景 */
.cd-scenarios {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.cd-scenario {
    display: flex;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px 20px;
    transition: all 0.3s ease;
}
.cd-scenario:hover {
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08);
}
.cd-scenario__num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cd-scenario__body h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}
.cd-scenario__body p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.65;
}

/* 技术亮点 */
.cd-tech {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.cd-tech__item {
    text-align: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px 16px;
    transition: all 0.3s ease;
}
.cd-tech__item:hover {
    border-color: var(--primary);
}
.cd-tech__icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 12px;
    border-radius: 10px;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #16a34a;
}
.cd-tech__icon svg {
    width: 22px;
    height: 22px;
}
.cd-tech__label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.cd-tech__sub {
    font-size: 12px;
    color: var(--text-light);
}

/* 案例详情CTA */
.cd-cta {
    background: linear-gradient(135deg, #1e3a5f 0%, #1e293b 100%);
    color: #fff;
    padding: 56px 0;
    text-align: center;
}
.cd-cta h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 14px;
}
.cd-cta p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 28px;
}
.cd-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.cd-cta-actions .btn {
    padding: 14px 32px;
    font-size: 15px;
    border-radius: 8px;
}
.cd-cta-actions .btn-primary {
    background: var(--primary);
    color: #fff;
}
.cd-cta-actions .btn-ghost {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
}

/* 相关案例导航 */
.cd-related {
    background: var(--bg-light);
    padding: 48px 0;
}
.cd-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 28px;
}
.cd-related__card {
    display: block;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.cd-related__card:hover {
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
    transform: translateY(-3px);
}
.cd-related__card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}
.cd-related__card-body {
    padding: 16px 18px;
}
.cd-related__card-body h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.cd-related__card-body p {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== 案例详情页响应式 ===== */
@media (max-width: 1024px) {
    .cd-modules {
        grid-template-columns: repeat(2, 1fr);
    }
    .cd-tech {
        grid-template-columns: repeat(2, 1fr);
    }
    .cd-related__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .cd-hero {
        padding: 40px 0 36px;
    }
    .cd-hero__title {
        font-size: 24px;
    }
    .cd-hero__desc {
        font-size: 14px;
    }
    .cd-hero__meta {
        gap: 16px;
    }
    .cd-showcase,
    .cd-section {
        padding: 36px 0;
    }
    .cd-section__title {
        font-size: 21px;
    }
    .cd-modules {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .cd-scenarios {
        grid-template-columns: 1fr;
    }
    .cd-tech {
        grid-template-columns: repeat(2, 1fr);
    }
    .cd-cta h2 {
        font-size: 22px;
    }
    .cd-cta-actions {
        flex-direction: column;
    }
    .cd-cta-actions .btn {
        width: 100%;
    }
    .cd-related__grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 480px) {
    .cd-hero__title {
        font-size: 21px;
    }
    .cd-tech {
        grid-template-columns: 1fr;
    }
    .cd-module {
        padding: 22px 18px;
    }
    .case-stage__detail-btn {
        padding: 6px 14px;
        font-size: 12px;
    }
    .case-show-desc {
        flex-direction: column;
        gap: 10px;
        padding: 16px 18px;
    }
    .case-show-desc__label {
        margin-top: 0;
    }
    .case-show-desc__text {
        font-size: 13px;
    }
}