/* ============================================
   首页样式 - 浅蓝科技风格（优化轮播图，文字右侧科技感）
   奥仕电子 AOS Electronics
============================================ */

:root {
    --primary: #0066ff;
    --primary-light: #4d8eff;
    --primary-dark: #0052cc;
    --accent: #00b8ff;
    --accent-light: #7dd3fc;
    --bg-white: #ffffff;
    --bg-light: #f5f9ff;
    --bg-card: #ffffff;
    --bg-section: #eef4ff;
    --text-dark: #1a2c3e;
    --text-muted: #5a6e8a;
    --text-light: #8ba0bc;
    --border-light: #e2edf7;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    --shadow: 0 4px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.02);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-blue: 0 4px 14px rgba(0,102,255,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s ease;
    --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ============================================================
   HERO - 浅蓝科技 Banner（无遮罩，直接显示图片）
============================================================ */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 650px;
    max-height: 800px;
    /* overflow:hidden 已移除，避免裁剪移动端抽屉 */
    background: #e8f0fe;
    /* 确保 hero 不会遮挡导航栏（navbar z-index:1000） */
    z-index: 1;
}

/* 幻灯片容器 */
.hero-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 单张幻灯片 */
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s cubic-bezier(0.4,0,0.2,1);
    background: #e8f0fe;
}

    .hero-slide.active {
        opacity: 1;
        z-index: 1;
    }

    /* 有图片时 - 直接显示图片，不加遮罩 */
    .hero-slide[style*="background-image"] {
        background-size: cover !important;
        background-position: center center !important;
        background-repeat: no-repeat !important;
    }

        /* 完全移除遮罩层 */
        .hero-slide[style*="background-image"]::before {
            display: none;
        }

    /* 无图片时的备用样式 */
    .hero-slide.no-img {
        background: linear-gradient(135deg, #e8f0fe 0%, #dce5f5 100%);
    }

    /* 底部渐变 - 让文字更清晰（很淡的渐变） */
    .hero-slide::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 180px;
        background: linear-gradient(transparent, rgba(0,0,0,0.3));
        z-index: 2;
        pointer-events: none;
    }

/* ---- 声波 / 圆环科技装饰（只在无图片时显示）---- */
.hero-visual {
    position: absolute;
    right: 6%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    z-index: 2;
    pointer-events: none;
}

/* 有图片时隐藏装饰 */
.hero-slide[style*="background-image"] .hero-visual {
    display: none;
}

/* 无图片时显示装饰 */
.hero-slide.no-img .hero-visual {
    display: block;
}

@media (max-width: 1200px) {
    .hero-visual {
        display: none;
    }
}

.hero-ring-1,
.hero-ring-2,
.hero-ring-3 {
    position: absolute;
    border-radius: 50%;
}

.hero-ring-1 {
    inset: 0;
    border: 1px solid rgba(0,102,255,0.2);
    animation: spin-slow 30s linear infinite;
}

    .hero-ring-1::before {
        content: '';
        position: absolute;
        top: -3px;
        left: 50%;
        width: 6px;
        height: 6px;
        background: var(--primary);
        border-radius: 50%;
        box-shadow: 0 0 12px var(--primary);
    }

.hero-ring-2 {
    inset: 40px;
    border: 1px dashed rgba(0,102,255,0.12);
    animation: spin-slow 20s linear infinite reverse;
}

.hero-ring-3 {
    inset: 100px;
    border: 1px solid rgba(0,102,255,0.08);
    animation: spin-slow 15s linear infinite;
}

/* 中心声学图形 */
.hero-center-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .hero-center-icon svg {
        width: 100%;
        height: 100%;
        filter: drop-shadow(0 0 20px rgba(0,102,255,0.25));
        animation: float 4s ease-in-out infinite;
    }

/* 脉冲波 */
.hero-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(0,102,255,0.05);
    animation: pulse-ring 3s ease-out infinite;
}

    .hero-pulse:nth-child(2) {
        animation-delay: 1s;
    }

    .hero-pulse:nth-child(3) {
        animation-delay: 2s;
    }

/* 声波条形图装饰 */
.hero-waveform {
    position: absolute;
    bottom: 25%;
    right: 4%;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 2px;
    pointer-events: none;
}

/* 有图片时隐藏声波 */
.hero-slide[style*="background-image"] .hero-waveform {
    display: none;
}

.wf-bar {
    width: 2px;
    background: linear-gradient(to top, var(--primary), var(--accent));
    border-radius: 1px;
    opacity: 0.5;
    animation: blink 1.5s ease-in-out infinite;
}

    .wf-bar:nth-child(1) {
        height: 12px;
        animation-delay: 0.0s;
    }

    .wf-bar:nth-child(2) {
        height: 22px;
        animation-delay: 0.1s;
    }

    .wf-bar:nth-child(3) {
        height: 32px;
        animation-delay: 0.2s;
    }

    .wf-bar:nth-child(4) {
        height: 20px;
        animation-delay: 0.3s;
    }

    .wf-bar:nth-child(5) {
        height: 38px;
        animation-delay: 0.4s;
    }

    .wf-bar:nth-child(6) {
        height: 26px;
        animation-delay: 0.5s;
    }

    .wf-bar:nth-child(7) {
        height: 44px;
        animation-delay: 0.3s;
    }

    .wf-bar:nth-child(8) {
        height: 32px;
        animation-delay: 0.2s;
    }

    .wf-bar:nth-child(9) {
        height: 20px;
        animation-delay: 0.1s;
    }

    .wf-bar:nth-child(10) {
        height: 12px;
        animation-delay: 0.0s;
    }

/* ============================================================
   Hero 内容文字 - 右侧显示，科技感小字体
============================================================ */
.hero-content {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    text-align: right;
    padding: 100px 80px 60px 48px;
    max-width: 620px;
    margin-left: auto;
    margin-right: 60px;
    right: 0;
    left: auto;
}

.hero-slide.active .hero-content > * {
    animation: fadeInUp 0.9s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-slide.active .hero-eyebrow {
    animation-delay: 0.1s;
}

.hero-slide.active .hero-title {
    animation-delay: 0.25s;
}

.hero-slide.active .hero-sub {
    animation-delay: 0.4s;
}

.hero-slide.active .hero-tags {
    animation-delay: 0.5s;
}

.hero-slide.active .hero-actions {
    animation-delay: 0.6s;
}

/* eyebrow 小标签 - 深蓝字 + 右侧横线 */
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 3px;
    color: rgba(10, 60, 120, 0.75);
    margin-bottom: 18px;
    font-family: var(--font-en);
    justify-content: flex-end;
}

    .hero-eyebrow::after {
        content: '';
        display: inline-block;
        width: 28px;
        height: 1px;
        background: rgba(10, 60, 120, 0.4);
        flex-shrink: 0;
    }

/* 主标题 - 深蓝色，清晰对比 */
.hero-title {
    font-size: clamp(22px, 2.8vw, 34px);
    font-weight: 400;
    color: rgba(10, 30, 80, 0.9);
    line-height: 1.5;
    letter-spacing: 4px;
    margin-bottom: 18px;
    font-family: 'Noto Sans SC', sans-serif;
}

    .hero-title .line {
        display: block;
    }

    /* highlight 行：纯蓝色，加粗 */
    .hero-title .highlight {
        font-weight: 700;
        font-size: clamp(26px, 3.4vw, 42px);
        letter-spacing: 2px;
        color: #1a5fc8;
        display: block;
        margin-top: 6px;
        -webkit-text-fill-color: unset;
        background: none;
        animation: none;
    }

/* 描述文字 - 深蓝低透明 */
.hero-sub {
    font-size: 12px;
    color: rgba(20, 50, 100, 0.55);
    line-height: 1.9;
    margin-bottom: 28px;
    max-width: 420px;
    font-weight: 400;
    letter-spacing: 1.5px;
    margin-left: auto;
    font-family: 'Noto Sans SC', sans-serif;
    border-right: none;
    padding-right: 0;
    text-transform: none;
}

/* ---- 入场动画帧 ---- */
@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 整体优雅淡入 */
.hero-slide.active .hero-eyebrow,
.hero-slide.active .hero-title,
.hero-slide.active .hero-sub,
.hero-slide.active .hero-actions {
    animation: heroFadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.hero-slide.active .hero-eyebrow   { animation-delay: 0.1s; }
.hero-slide.active .hero-title     { animation-delay: 0.25s; }
.hero-slide.active .hero-sub       { animation-delay: 0.4s; }
.hero-slide.active .hero-actions   { animation-delay: 0.55s; }

/* 产品标签 - 精致小巧 */
.hero-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 28px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.hero-tag {
    padding: 4px 12px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 30px;
    font-size: 9px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    font-family: var(--font-en);
    letter-spacing: 0.8px;
    transition: all var(--transition);
    text-transform: uppercase;
}

    .hero-tag:hover {
        background: rgba(0, 102, 255, 0.5);
        border-color: rgba(255, 255, 255, 0.5);
        transform: translateY(-1px);
    }

/* 按钮组 */
.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* 按钮样式 - 更小巧科技，带光晕效果 */
.btn-primary {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    padding: 8px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 40px;
    font-size: 11px;
    font-weight: 600;
    transition: all var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    text-shadow: none;
    letter-spacing: 1px;
    text-transform: uppercase;
}

    .btn-primary::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.3);
        transform: translate(-50%, -50%);
        transition: width 0.4s ease, height 0.4s ease;
        pointer-events: none;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        letter-spacing: 1.2px;
    }

        .btn-primary:hover::after {
            width: 100%;
            height: 100%;
        }

.btn-outline-white {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    padding: 8px 24px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: #fff;
    border-radius: 40px;
    font-size: 11px;
    font-weight: 600;
    transition: all var(--transition);
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(4px);
    text-shadow: none;
    letter-spacing: 1px;
    text-transform: uppercase;
}

    .btn-outline-white::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.2);
        transform: translate(-50%, -50%);
        transition: width 0.4s ease, height 0.4s ease;
        pointer-events: none;
    }

    .btn-outline-white:hover {
        border-color: #fff;
        background: rgba(255, 255, 255, 0.15);
        transform: translateY(-2px);
        letter-spacing: 1.2px;
    }

        .btn-outline-white:hover::after {
            width: 100%;
            height: 100%;
        }

/* ---- Hero 数据条（底部）---- */
.hero-stats-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 4;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: stretch;
    justify-content: center;
    max-width: 100%;
}

    .hero-stats-bar .hsb-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 16px 40px;
        gap: 4px;
    }

    .hero-stats-bar .hsb-divider {
        width: 1px;
        background: rgba(255, 255, 255, 0.2);
        margin: 10px 0;
    }

    .hero-stats-bar .hsb-num {
        font-size: 28px;
        font-weight: 800;
        color: #fff;
        font-family: var(--font-en);
        line-height: 1;
        letter-spacing: -0.5px;
    }

    .hero-stats-bar .hsb-suffix {
        font-size: 14px;
        font-weight: 700;
        color: var(--accent);
        vertical-align: top;
        margin-top: 2px;
    }

    .hero-stats-bar .hsb-label {
        font-size: 11px;
        color: rgba(255, 255, 255, 0.7);
        letter-spacing: 0.3px;
    }

/* ---- Hero 指示点 ---- */
.hero-dots {
    position: absolute;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    gap: 8px;
    align-items: center;
}

.dot {
    width: 24px;
    height: 3px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

    .dot.active {
        width: 40px;
        background: #fff;
    }

    .dot:hover {
        background: rgba(255, 255, 255, 0.7);
    }

/* 滚动提示 */
.hero-scroll-hint {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: var(--font-en);
}

.scroll-mouse {
    width: 20px;
    height: 32px;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    border-radius: 10px;
    position: relative;
}

    .scroll-mouse::after {
        content: '';
        position: absolute;
        top: 5px;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        height: 6px;
        background: #fff;
        border-radius: 2px;
        animation: scroll-down 2s ease infinite;
    }

@keyframes scroll-down {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
}

/* ============================================================
   核心优势条（浅色）
============================================================ */
.feature-bar {
    background: #ffffff;
    border-top: 1px solid rgba(0, 102, 255, 0.08);
    border-bottom: 1px solid rgba(0, 102, 255, 0.08);
}

.feature-bar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 22px 20px;
    border-right: 1px solid rgba(0, 102, 255, 0.06);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

    .feature-item::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        transform: scaleX(0);
        transition: transform var(--transition);
    }

    .feature-item:hover::after {
        transform: scaleX(1);
    }

    .feature-item:last-child {
        border-right: none;
    }

    .feature-item:hover {
        background: rgba(0, 102, 255, 0.02);
    }

.feature-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(0, 184, 255, 0.04));
    border: 1px solid rgba(0, 102, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

    .feature-icon svg {
        width: 20px;
        height: 20px;
        stroke: var(--primary);
        fill: none;
        stroke-width: 1.5;
    }

.feature-text h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.feature-text p {
    font-size: 11px;
    color: var(--text-light);
    line-height: 1.4;
}

/* ============================================================
   产品系列
============================================================ */
.products-section {
    background: var(--bg-light);
    position: relative;
}

    .products-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.15), transparent);
    }

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.products-section .product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    box-shadow: var(--shadow-sm);
}

    .products-section .product-card::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: var(--radius-lg);
        background: linear-gradient(135deg, rgba(0, 102, 255, 0.03), rgba(0, 184, 255, 0.01));
        opacity: 0;
        transition: opacity var(--transition);
        pointer-events: none;
    }

    .products-section .product-card:hover {
        transform: translateY(-6px);
        border-color: var(--primary);
        box-shadow: var(--shadow-lg);
    }

        .products-section .product-card:hover::before {
            opacity: 1;
        }

.products-section .product-card-img {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #e8f0fe, #dce5f5);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

    .products-section .product-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition);
    }

.products-section .product-card:hover .product-card-img img {
    transform: scale(1.05);
}

.pc-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.03));
    pointer-events: none;
}

.products-section .product-card-body {
    padding: 18px;
    position: relative;
}

    .products-section .product-card-body h3 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 6px;
        line-height: 1.4;
    }

    .products-section .product-card-body p {
        font-size: 12px;
        color: var(--text-muted);
        line-height: 1.6;
        margin-bottom: 14px;
    }

.product-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(0, 102, 255, 0.08);
    color: var(--primary);
    border-radius: 20px;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.card-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition);
    margin-top: 2px;
}

    .card-btn:hover {
        gap: 8px;
    }

/* ============================================================
   关于我们
============================================================ */
.about-section {
    background: #ffffff;
    overflow: hidden;
}

.about-flex {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 10px;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 6px;
}

.about-text .divider {
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 16px 0 20px;
    border-radius: 2px;
}

.about-tag-line {
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-text p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 14px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin: 24px 0;
    list-style: none;
    background: var(--bg-light);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

    .about-stats li {
        padding: 14px 12px;
        text-align: center;
        border-right: 1px solid var(--border-light);
    }

        .about-stats li:last-child {
            border-right: none;
        }

    .about-stats .stat-num {
        display: block;
        font-size: 24px;
        font-weight: 800;
        color: var(--primary);
        font-family: var(--font-en);
        line-height: 1;
    }

    .about-stats .stat-unit {
        font-size: 12px;
        font-weight: 700;
        color: var(--accent);
    }

    .about-stats .stat-label {
        display: block;
        font-size: 10px;
        color: var(--text-light);
        margin-top: 4px;
    }

.about-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 18px;
}

.about-cert-card {
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 16px 12px;
    text-align: center;
    transition: all var(--transition);
}

    .about-cert-card:hover {
        border-color: rgba(0, 102, 255, 0.3);
        box-shadow: var(--shadow);
        transform: translateY(-2px);
    }

    .about-cert-card strong {
        display: block;
        font-size: 13px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 3px;
    }

    .about-cert-card span {
        font-size: 11px;
        color: var(--text-light);
    }

.about-badge {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    padding: 16px 20px;
    text-align: center;
    color: #fff;
}

    .about-badge span {
        display: block;
        font-size: 10px;
        opacity: 0.9;
        margin-bottom: 4px;
        letter-spacing: 1px;
    }

    .about-badge strong {
        display: block;
        font-size: 16px;
        font-weight: 800;
    }

/* ============================================================
   公司实力展示
============================================================ */
.showcase-section {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.showcase-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.showcase-item {
    background: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 102, 255, 0.12);
    border-color: rgba(0, 102, 255, 0.2);
}

.showcase-image-wrap {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
}

.showcase-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-item:hover .showcase-image-wrap img {
    transform: scale(1.08);
}

.showcase-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.showcase-item:hover .showcase-overlay {
    opacity: 1;
}

.showcase-zoom {
    width: 50px;
    height: 50px;
    background: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.showcase-item:hover .showcase-zoom {
    transform: scale(1);
}

.showcase-zoom svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.showcase-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e8f0fe, #dce5f5);
}

.showcase-placeholder svg {
    width: 60px;
    height: 60px;
    color: var(--primary);
    opacity: 0.3;
}

.showcase-content {
    padding: 20px;
}

.showcase-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 102, 255, 0.08);
    color: var(--primary);
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.showcase-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}

.showcase-content p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

.showcase-more {
    text-align: center;
    margin-top: 40px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .showcase-image-wrap {
        height: 200px;
    }
}

/* ============================================================
   核心技术
============================================================ */
.tech-section {
    background: var(--bg-section);
    position: relative;
}

    .tech-section::before {
        content: '';
        position: absolute;
        top: -200px;
        right: -200px;
        width: 700px;
        height: 700px;
        background: radial-gradient(circle, rgba(0, 102, 255, 0.05) 0%, transparent 60%);
        pointer-events: none;
    }

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
}

.tech-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 0 26px 28px;
    transition: all 0.35s cubic-bezier(.4,0,.2,1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    text-align: center;
}

/* 6张卡片各不同顶部渐变条 */
.tech-card:nth-child(1) { --card-color: #0066ff; --card-accent: #00b4d8; }
.tech-card:nth-child(2) { --card-color: #7c3aed; --card-accent: #a78bfa; }
.tech-card:nth-child(3) { --card-color: #059669; --card-accent: #34d399; }
.tech-card:nth-child(4) { --card-color: #d97706; --card-accent: #fbbf24; }
.tech-card:nth-child(5) { --card-color: #dc2626; --card-accent: #f87171; }
.tech-card:nth-child(6) { --card-color: #0891b2; --card-accent: #22d3ee; }

.tech-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--card-color), var(--card-accent));
    transform: scaleX(0.6);
    transform-origin: center;
    transition: transform 0.4s cubic-bezier(.4,0,.2,1);
}

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

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 102, 255, 0.12);
    border-color: rgba(0, 102, 255, 0.15);
}

.tech-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 28px auto 18px;
    transition: all 0.35s cubic-bezier(.4,0,.2,1);
}

.tech-card:nth-child(1) .tech-icon { background: rgba(0,102,255,0.10); }
.tech-card:nth-child(1) .tech-icon svg { stroke: #0066ff; }
.tech-card:nth-child(2) .tech-icon { background: rgba(124,58,237,0.10); }
.tech-card:nth-child(2) .tech-icon svg { stroke: #7c3aed; }
.tech-card:nth-child(3) .tech-icon { background: rgba(5,150,105,0.10); }
.tech-card:nth-child(3) .tech-icon svg { stroke: #059669; }
.tech-card:nth-child(4) .tech-icon { background: rgba(217,119,6,0.10); }
.tech-card:nth-child(4) .tech-icon svg { stroke: #d97706; }
.tech-card:nth-child(5) .tech-icon { background: rgba(220,38,38,0.10); }
.tech-card:nth-child(5) .tech-icon svg { stroke: #dc2626; }
.tech-card:nth-child(6) .tech-icon { background: rgba(8,145,178,0.10); }
.tech-card:nth-child(6) .tech-icon svg { stroke: #0891b2; }

.tech-icon svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke-width: 1.5;
    transition: all 0.35s cubic-bezier(.4,0,.2,1);
}

.tech-card:hover .tech-icon {
    transform: scale(1.12);
}

.tech-card:hover .tech-icon svg {
    stroke-width: 2;
}

.tech-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.tech-card p {
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.8;
}

.tech-tag {
    display: inline-block;
    margin-top: 16px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    transition: all 0.3s;
}

.tech-card:nth-child(1) .tech-tag { background: rgba(0,102,255,0.08);  color: #0066ff; }
.tech-card:nth-child(2) .tech-tag { background: rgba(124,58,237,0.08); color: #7c3aed; }
.tech-card:nth-child(3) .tech-tag { background: rgba(5,150,105,0.08);  color: #059669; }
.tech-card:nth-child(4) .tech-tag { background: rgba(217,119,6,0.08);  color: #d97706; }
.tech-card:nth-child(5) .tech-tag { background: rgba(220,38,38,0.08);  color: #dc2626; }
.tech-card:nth-child(6) .tech-tag { background: rgba(8,145,178,0.08);  color: #0891b2; }

.tech-card:hover .tech-tag {
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* ============================================================
   应用领域
============================================================ */
.applications-section {
    background: #ffffff;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}

.app-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 3/4;
    background: var(--bg-light);
    transition: transform var(--transition);
    box-shadow: var(--shadow-sm);
}

    .app-item:hover {
        transform: translateY(-4px);
    }

.app-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.app-item:hover .app-bg {
    transform: scale(1.05);
}

.app-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 40, 80, 0.85) 0%, rgba(0, 40, 80, 0.3) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
}

.app-icon-wrap {
    width: 36px;
    height: 36px;
    background: rgba(0, 184, 255, 0.15);
    border: 1px solid rgba(0, 184, 255, 0.3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.app-overlay h3 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.app-overlay p {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.app-link {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    align-items: flex-end;
    padding: 12px 14px;
    color: var(--accent);
    font-size: 10px;
    font-weight: 600;
    opacity: 0;
    transition: opacity var(--transition);
}

.app-item:hover .app-link {
    opacity: 1;
}

/* ============================================================
   交互式场景图 - 应用领域
============================================================ */
.scene-map-container {
    margin: 40px 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #fff;
}

.scene-map {
    position: relative;
    width: 100%;
    aspect-ratio: 2/1;
    min-height: 400px;
    overflow: hidden;
}

.scene-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.scene-svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* 脉冲标记点 */
.scene-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 10;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0,102,255,0.4);
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease, background 0.3s ease;
}

.marker-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: markerPulse 2s ease-out infinite;
}

@keyframes markerPulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    100% {
        transform: translate(-50%, -50%) scale(3);
        opacity: 0;
    }
}

.marker-label {
    position: absolute;
    top: -32px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.95);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-dark);
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    opacity: 0;
    transform: translateX(-50%) translateY(8px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.scene-marker:hover .marker-label {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.scene-marker:hover .marker-dot {
    transform: scale(1.3);
    background: var(--accent);
}

/* 悬停详情卡片 */
.scene-tooltip {
    position: absolute;
    background: rgba(255,255,255,0.98);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 20;
    pointer-events: none;
    min-width: 200px;
}

.scene-tooltip.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tooltip-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.tooltip-content h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.tooltip-content p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .scene-map {
        aspect-ratio: 4/3;
        min-height: 300px;
    }

    .marker-label {
        font-size: 10px;
        padding: 4px 10px;
        top: -26px;
    }

    .marker-dot {
        width: 12px;
        height: 12px;
        border-width: 2px;
    }

    .scene-tooltip {
        padding: 12px 16px;
        min-width: 160px;
    }

    .tooltip-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
}

/* ============================================================
   合作客户
============================================================ */
.clients-section {
    background: var(--bg-light);
}

.clients-marquee-wrap {
    position: relative;
    overflow: hidden;
}

    .clients-marquee-wrap::before,
    .clients-marquee-wrap::after {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        width: 100px;
        z-index: 2;
        pointer-events: none;
    }

    .clients-marquee-wrap::before {
        left: 0;
        background: linear-gradient(to right, var(--bg-light), transparent);
    }

    .clients-marquee-wrap::after {
        right: 0;
        background: linear-gradient(to left, var(--bg-light), transparent);
    }

.clients-track {
    display: flex;
    gap: 0;
    animation: marquee-scroll 32s linear infinite;
    width: max-content;
}

    .clients-track:hover {
        animation-play-state: paused;
    }

.client-logo {
    flex-shrink: 0;
    min-width: 140px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-right: 1px solid var(--border-light);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    transition: all var(--transition);
}

    .client-logo:hover {
        color: var(--primary);
        background: rgba(0, 102, 255, 0.04);
    }

/* ============================================================
   新闻资讯
============================================================ */
.news-section {
    background: var(--bg-section);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #ffffff;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

    .news-card:hover {
        transform: translateY(-4px);
        border-color: rgba(0, 102, 255, 0.2);
        box-shadow: var(--shadow-lg);
    }

.news-card-cover {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #e8f0fe, #dce5f5);
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
}

.news-card-date {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: #fff;
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 10px;
    font-weight: 600;
}

.news-card-body {
    padding: 20px;
}

.news-tag {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(0, 102, 255, 0.08);
    color: var(--primary);
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    margin-bottom: 10px;
}

.news-card-body h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.5;
    margin-bottom: 8px;
}

.news-card-body p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 14px;
}

.news-read-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    transition: gap var(--transition);
}

    .news-read-more:hover {
        gap: 8px;
    }

/* ============================================================
   联系 CTA
============================================================ */
.contact-band {
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    position: relative;
}

    .contact-band::before {
        content: '';
        position: absolute;
        top: -80px;
        left: 50%;
        transform: translateX(-50%);
        width: 600px;
        height: 300px;
        background: radial-gradient(ellipse, rgba(0, 102, 255, 0.08) 0%, transparent 65%);
        pointer-events: none;
    }

.contact-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
}

.contact-band-text h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.contact-band-text p {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 420px;
}

.contact-band-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.contact-band-btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 40px;
    font-size: 13px;
    font-weight: 700;
    transition: all var(--transition);
    box-shadow: var(--shadow-blue);
}

    .contact-band-btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-blue-hover);
    }

.contact-band-btn-ghost {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    border: 1.5px solid rgba(0, 102, 255, 0.3);
    color: var(--primary);
    border-radius: 40px;
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition);
}

    .contact-band-btn-ghost:hover {
        border-color: var(--primary);
        background: rgba(0, 102, 255, 0.05);
    }

/* ============================================================
   通用组件
============================================================ */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-tag {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.divider {
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 14px auto;
    border-radius: 2px;
}

.section-desc {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.section-footer {
    text-align: center;
    margin-top: 40px;
}

.section-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 28px;
    border: 1.5px solid rgba(0, 102, 255, 0.3);
    color: var(--primary);
    border-radius: 40px;
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition);
}

    .section-btn:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
        box-shadow: var(--shadow-blue);
    }



/* ============================================================
   产品系列 - 图片样式优化
============================================================ */
.products-section .product-card-img {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, #f5f9ff, #e8f0fe);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

    .products-section .product-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover; /* 图片覆盖整个区域，保持比例裁剪 */
        transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }

/* 图片悬浮放大效果 */
.products-section .product-card:hover .product-card-img img {
    transform: scale(1.08);
}

/* 图片遮罩层 - 增加科技感 */
.pc-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient( to top, rgba(0, 0, 0, 0.3) 0%, transparent 50%, rgba(0, 102, 255, 0.1) 100% );
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.products-section .product-card:hover .pc-overlay {
    opacity: 1;
}

/* 如果没有图片时的占位符样式 */
.products-section .product-card-img .no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e8f0fe, #dce5f5);
    font-size: 48px;
    color: var(--primary);
    opacity: 0.6;
}

/* 卡片样式优化 */
.products-section .product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    box-shadow: var(--shadow-sm);
}

    .products-section .product-card:hover {
        transform: translateY(-8px);
        border-color: var(--primary);
        box-shadow: 0 20px 40px rgba(0, 102, 255, 0.12);
    }

/* 卡片内容样式 */
.products-section .product-card-body {
    padding: 20px;
    position: relative;
    background: #fff;
}

    .products-section .product-card-body h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 8px;
        line-height: 1.4;
        transition: color 0.3s ease;
    }

.products-section .product-card:hover .product-card-body h3 {
    color: var(--primary);
}

.products-section .product-card-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 102, 255, 0.08);
    color: var(--primary);
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.products-section .product-card:hover .product-badge {
    background: rgba(0, 102, 255, 0.15);
    transform: translateY(-1px);
}

.card-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    transition: all 0.3s ease;
    margin-top: 4px;
    text-decoration: none;
}

    .card-btn:hover {
        gap: 10px;
        color: var(--primary-dark);
    }



/* ============================================================
   合作客户 - Logo 跑马灯
============================================================ */
.clients-section {
    background: var(--bg-light);
    padding: 60px 0;
    overflow: hidden;
}

.clients-marquee-wrap {
    position: relative;
    overflow: hidden;
    margin-top: 40px;
    padding: 20px 0;
}

    /* 渐变遮罩效果 */
    .clients-marquee-wrap::before,
    .clients-marquee-wrap::after {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        width: 120px;
        z-index: 2;
        pointer-events: none;
    }

    .clients-marquee-wrap::before {
        left: 0;
        background: linear-gradient(to right, var(--bg-light), transparent);
    }

    .clients-marquee-wrap::after {
        right: 0;
        background: linear-gradient(to left, var(--bg-light), transparent);
    }

/* 跑马灯轨道 */
.clients-track {
    display: flex;
    gap: 40px;
    animation: marquee-scroll 40s linear infinite;
    width: max-content;
}

    .clients-track:hover {
        animation-play-state: paused;
    }

/* Logo 容器 */
.client-logo-item {
    flex-shrink: 0;
    width: 160px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
    cursor: pointer;
}

    .client-logo-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: var(--primary);
    }

/* Logo 图片样式 */
.client-logo-img {
    max-width: 120px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(0%) opacity(0.8);
    transition: all 0.3s ease;
}

.client-logo-item:hover .client-logo-img {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.02);
}

/* 响应式 */
@media (max-width: 1024px) {
    .client-logo-item {
        width: 140px;
        height: 70px;
    }

    .client-logo-img {
        max-width: 100px;
        max-height: 50px;
    }

    .clients-track {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .clients-marquee-wrap::before,
    .clients-marquee-wrap::after {
        width: 60px;
    }

    .client-logo-item {
        width: 120px;
        height: 60px;
    }

    .client-logo-img {
        max-width: 80px;
        max-height: 40px;
    }

    .clients-track {
        gap: 20px;
        animation-duration: 30s;
    }
}

@media (max-width: 480px) {
    .client-logo-item {
        width: 100px;
        height: 50px;
    }

    .client-logo-img {
        max-width: 70px;
        max-height: 35px;
    }

    .clients-track {
        gap: 15px;
        animation-duration: 25s;
    }
}

@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}


/* ============================================================
   动画
============================================================ */
@keyframes spin-slow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.5;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0;
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ============================================================
   响应式
============================================================ */
@media (max-width: 1280px) {
    .hero-content {
        margin-right: 50px;
        padding: 100px 60px 60px 40px;
        max-width: 560px;
    }

    .hero-title {
        font-size: clamp(24px, 3vw, 36px);
    }

    .hero-sub {
        font-size: 11px;
        max-width: 440px;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .app-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1024px) {
    .hero-content {
        margin-right: 40px;
        padding: 80px 50px 60px 30px;
        max-width: 520px;
    }

    .hero-title {
        font-size: clamp(22px, 2.8vw, 32px);
    }

    .hero-sub {
        font-size: 11px;
        max-width: 400px;
    }

    .hero-tag {
        font-size: 8px;
        padding: 3px 10px;
    }

    .btn-primary, .btn-outline-white {
        font-size: 10px;
        padding: 6px 20px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-flex {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .app-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-bar-inner {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 32px;
    }

    .hero-stats-bar .hsb-item {
        padding: 14px 24px;
    }
}

@media (max-width: 768px) {
    .hero-content {
        margin-left: 0;
        margin-right: 0;
        padding: 80px 24px 50px;
        max-width: 100%;
        text-align: center;
        align-items: center;
        justify-content: center;
        left: 0;
        right: 0;
    }

    .hero-eyebrow {
        justify-content: center;
        font-size: 9px;
    }

        .hero-eyebrow::before {
            order: 0;
            margin-right: 10px;
            margin-left: 0;
            background: linear-gradient(90deg, #fff, var(--accent));
        }

    .hero-title {
        font-size: 28px;
        text-align: center;
    }

    .hero-sub {
        font-size: 11px;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        max-width: 90%;
    }

    .hero-tags {
        justify-content: center;
    }

    .hero-tag {
        font-size: 8px;
        padding: 3px 10px;
    }

    .hero-actions {
        justify-content: center;
    }

    .btn-primary, .btn-outline-white {
        font-size: 10px;
        padding: 6px 18px;
    }

    .hero-visual,
    .hero-waveform {
        display: none;
    }

    .hero-controls {
        bottom: 70px;
    }

    .hero-stats-bar {
        flex-wrap: wrap;
    }

        .hero-stats-bar .hsb-item {
            padding: 12px 16px;
        }

        .hero-stats-bar .hsb-num {
            font-size: 22px;
        }

        .hero-stats-bar .hsb-divider {
            display: none;
        }

    .feature-bar-inner {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 16px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

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

    .app-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-band-inner {
        flex-direction: column;
        text-align: center;
    }

    .contact-band-text p {
        margin: 0 auto;
    }

    .contact-band-actions {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .feature-bar-inner {
        grid-template-columns: 1fr;
    }

    .feature-item {
        border-right: none;
        border-bottom: 1px solid rgba(0, 102, 255, 0.06);
    }

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

    .about-card-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

        .about-stats li {
            border-right: none;
            border-bottom: 1px solid var(--border-light);
        }

            .about-stats li:last-child {
                border-bottom: none;
            }

    .hero-title {
        font-size: 26px;
    }
}

/* ============================================================
   平板/手机端修复（768px 及以下）
   ============================================================ */
@media (max-width: 768px) {
    /* 确保导航栏层级最高，不被轮播图子元素遮挡 */
    .navbar {
        z-index: 10000 !important;
    }
    /* 移除 hero 的 overflow:hidden，避免裁剪移动端抽屉导航 */
    .hero {
        overflow: visible !important;
    }

    /* 手机端使用手机专用图片 */
    .hero-slide {
        background-image: var(--mobile-bg) !important;
    }
}

/* ============================================================
   手机端深度优化（480px 及以下）
   ============================================================ */
@media (max-width: 480px) {

    /* ---- Hero 区域 ---- */
    .hero {
        min-height: 100vh;
        height: auto;
        padding-bottom: 70px;
    }

    .hero-slide {
        min-height: 100vh;
        height: auto;
        align-items: flex-start;
    }

    .hero-content {
        padding: 100px 20px 40px 20px !important;
        max-width: 100% !important;
        margin: 0 !important;
        text-align: center !important;
        align-items: center !important;
        width: 100%;
        box-sizing: border-box;
    }

    .hero-eyebrow {
        font-size: 10px !important;
        letter-spacing: 2px !important;
        margin-bottom: 12px !important;
        justify-content: center !important;
    }

    .hero-title {
        font-size: 22px !important;
        line-height: 1.5 !important;
        text-align: center !important;
        letter-spacing: 0.5px !important;
    }

    /* 手机端标题分行显示 */
    .hero-title .line {
        display: block;
    }

    .hero-title .highlight {
        font-size: 26px !important;
        margin-top: 6px !important;
        display: block;
    }

    .hero-sub {
        font-size: 12px !important;
        line-height: 1.7 !important;
        max-width: 100% !important;
        margin-bottom: 20px !important;
        text-align: center !important;
        padding: 0 4px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 10px !important;
        width: 100%;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-outline-white {
        width: 100%;
        max-width: 240px;
        justify-content: center;
        padding: 12px 20px !important;
        font-size: 13px !important;
        box-sizing: border-box;
    }

    /* Hero 指示点 */
    .hero-dots {
        bottom: 20px !important;
    }

    /* Hero 统计条 - 2x2 网格 */
    .hero-stats-bar {
        flex-wrap: wrap;
        row-gap: 0;
        margin-top: 24px;
    }

    .hero-stats-bar .hsb-item {
        width: 50%;
        padding: 12px 8px !important;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .hero-stats-bar .hsb-item:nth-child(2) {
        border-right: none;
    }

    .hero-stats-bar .hsb-item:nth-child(3),
    .hero-stats-bar .hsb-item:nth-child(4) {
        border-bottom: none;
    }

    .hero-stats-bar .hsb-divider {
        display: none;
    }

    .hero-stats-bar .hsb-num {
        font-size: 22px !important;
    }

    .hero-stats-bar .hsb-label {
        font-size: 10px !important;
    }

    /* ---- 核心优势条 ---- */
    .feature-bar-inner {
        grid-template-columns: 1fr !important;
        padding: 0 16px !important;
    }

    .feature-item {
        padding: 14px 16px !important;
        border-right: none !important;
        border-bottom: 1px solid rgba(0,102,255,0.06);
    }

    .feature-item:last-child {
        border-bottom: none;
    }

    .feature-icon {
        width: 36px !important;
        height: 36px !important;
    }

    .feature-icon svg {
        width: 18px !important;
        height: 18px !important;
    }

    .feature-text h4 {
        font-size: 12px !important;
    }

    .feature-text p {
        font-size: 10px !important;
    }

    /* ---- 产品中心 ---- */
    .products-grid.three-cols {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    .section-header {
        margin-bottom: 24px !important;
        padding: 0 16px;
    }

    .section-tag {
        font-size: 9px !important;
    }

    .section-title {
        font-size: 24px !important;
    }

    .section-desc {
        font-size: 12px !important;
        padding: 0 8px;
    }

    .section-btn {
        padding: 10px 24px !important;
        font-size: 12px !important;
    }

    /* ---- 关于我们 ---- */
    .about-flex {
        gap: 30px !important;
        padding: 0 16px;
    }

    .about-label {
        font-size: 10px !important;
    }

    .about-text h2 {
        font-size: 24px !important;
    }

    .about-tag-line {
        font-size: 12px !important;
    }

    .about-text p {
        font-size: 13px !important;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0 !important;
    }

    .about-stats li {
        padding: 12px 8px !important;
        border-right: 1px solid var(--border-light);
        border-bottom: 1px solid var(--border-light);
    }

    .about-stats li:nth-child(2) {
        border-right: none;
    }

    .about-stats li:nth-child(3),
    .about-stats li:nth-child(4) {
        border-bottom: none;
    }

    .about-stats .stat-num {
        font-size: 20px !important;
    }

    .about-stats .stat-label {
        font-size: 9px !important;
    }

    .about-card-grid {
        gap: 10px !important;
    }

    .about-cert-card {
        padding: 12px 8px !important;
    }

    .about-cert-card strong {
        font-size: 12px !important;
    }

    .about-cert-card span {
        font-size: 10px !important;
    }

    .about-badge {
        padding: 14px 16px !important;
    }

    .about-badge strong {
        font-size: 14px !important;
    }

    /* ---- 公司实力展示 ---- */
    .showcase-grid {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }

    .showcase-image-wrap {
        height: 180px !important;
    }

    .showcase-content {
        padding: 14px !important;
    }

    .showcase-content h3 {
        font-size: 14px !important;
    }

    .showcase-content p {
        font-size: 12px !important;
    }

    /* ---- 核心技术 ---- */
    .tech-grid {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }

    .tech-card {
        padding: 20px 16px !important;
    }

    .tech-card h3 {
        font-size: 14px !important;
    }

    .tech-card p {
        font-size: 11px !important;
    }

    /* ---- 应用领域场景图 ---- */
    .scene-map-container {
        border-radius: 12px !important;
        margin: 20px 12px !important;
    }

    .scene-map {
        aspect-ratio: 1/1 !important;
        min-height: 320px !important;
    }

    /* ---- 合作客户 ---- */
    .clients-marquee-wrap {
        margin: 20px 0 !important;
    }

    .client-logo-item {
        width: 100px !important;
        height: 50px !important;
        padding: 8px !important;
    }

    .client-logo-img {
        max-width: 70px !important;
        max-height: 30px !important;
    }

    /* ---- 新闻资讯 ---- */
    .news-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    .news-card-cover {
        height: 160px !important;
    }

    .news-card-body {
        padding: 14px !important;
    }

    .news-card-body h3 {
        font-size: 13px !important;
    }

    .news-card-body p {
        font-size: 11px !important;
    }

    .news-read-more {
        font-size: 11px !important;
    }

    /* ---- 联系 CTA ---- */
    .contact-band-inner {
        padding: 30px 16px !important;
        gap: 20px !important;
    }

    .contact-band-text h2 {
        font-size: 22px !important;
    }

    .contact-band-text p {
        font-size: 12px !important;
    }

    .contact-band-actions {
        flex-direction: column;
        width: 100%;
        gap: 10px !important;
    }

    .contact-band-btn,
    .contact-band-btn-ghost {
        width: 100%;
        max-width: 260px;
        justify-content: center;
        padding: 12px 24px !important;
        font-size: 13px !important;
    }

    /* ---- 通用 section 间距 ---- */
    .section {
        padding: 50px 0 !important;
    }

    .container {
        padding: 0 16px !important;
    }
}

/* ============================================================
   超小屏幕优化（360px 及以下）
   ============================================================ */
@media (max-width: 360px) {
    .hero-title {
        font-size: 20px !important;
    }

    .hero-title .highlight {
        font-size: 22px !important;
    }

    .section-title {
        font-size: 22px !important;
    }

    .about-stats .stat-num {
        font-size: 18px !important;
    }

    .feature-bar-inner {
        padding: 0 10px !important;
    }

    .container {
        padding: 0 10px !important;
    }
}

/* ============================================================
   电脑端/手机端标题切换
   ============================================================ */
/* 默认：电脑端显示，手机端隐藏 */
.hero-title-desktop,
.hero-sub-desktop {
    display: block;
}

.hero-title-mobile,
.hero-sub-mobile {
    display: none;
}

/* 手机端：切换显示 */
@media (max-width: 768px) {
    .hero-title-desktop,
    .hero-sub-desktop {
        display: none !important;
    }

    .hero-title-mobile,
    .hero-sub-mobile {
        display: block !important;
    }

    /* 确保手机端标题样式正确 */
    .hero-title-mobile {
        font-size: 22px !important;
        line-height: 1.5 !important;
        text-align: center !important;
    }

    .hero-title-mobile .line {
        display: block;
    }

    .hero-title-mobile .highlight {
        font-size: 26px !important;
        margin-top: 6px !important;
        display: block;
    }

    .hero-sub-mobile {
        font-size: 12px !important;
        line-height: 1.7 !important;
        text-align: center !important;
        margin-bottom: 20px !important;
        padding: 0 4px;
    }
}

/* 桌面端：切换显示 */
@media (min-width: 769px) {
    .hero-title-desktop,
    .hero-sub-desktop {
        display: block !important;
    }

    .hero-title-mobile,
    .hero-sub-mobile {
        display: none !important;
    }
}