/* ===================== Section 背景无人机 ===================== */
.section-bg-drones {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-drone {
    position: absolute;
    width: 180px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 25px rgba(0, 240, 255, 0.4));
    opacity: 0.12;
    transition: opacity 0.6s ease;
}

.bg-drone-1 {
    top: 8%;
    right: 3%;
    transform: rotate(-12deg);
    animation: float 8s ease-in-out infinite;
}

.bg-drone-2 {
    bottom: 8%;
    left: 3%;
    transform: rotate(12deg);
    animation: float-1 10s ease-in-out infinite;
}

.bg-drone-3 {
    top: 50%;
    left: 5%;
    transform: translateY(-50%) rotate(-8deg);
    animation: float-2 12s ease-in-out infinite;
}

.bg-drone-4 {
    top: 50%;
    right: 5%;
    transform: translateY(-50%) rotate(8deg);
    animation: float-3 11s ease-in-out infinite;
}

/* ===================== 产品图片样式 ===================== */

/* 主页产品卡片图片 */
.product-image img.product-img {
    max-width: 80%;
    max-height: 80%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 240, 255, 0.5));
    z-index: 1;
    position: relative;
    transition: all 0.4s ease;
}

.product-card:hover .product-image img.product-img {
    transform: scale(1.1) rotate(-2deg);
    filter: drop-shadow(0 15px 40px rgba(0, 240, 255, 0.8));
}

/* 详情页 Hero 产品大图 */
.product-hero-visual img.hero-drone-img {
    max-width: 90% !important;
    max-height: 90% !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    object-position: center !important;
    filter: drop-shadow(0 20px 60px rgba(0, 240, 255, 0.6)) !important;
    position: relative !important;
    z-index: 10 !important;
    animation: float 5s ease-in-out infinite;
    opacity: 1 !important;
    mix-blend-mode: normal !important;
    display: block !important;
    visibility: visible !important;
}

/* 产品画廊 */
.product-gallery {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 40px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    height: 600px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(123, 47, 247, 0.05));
    cursor: pointer;
    transition: all 0.4s ease;
}

.gallery-item:first-child {
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    filter: drop-shadow(0 5px 20px rgba(0, 240, 255, 0.3));
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item:hover {
    border-color: var(--primary);
    box-shadow: var(--glow);
}

.gallery-item .gallery-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--primary);
    font-size: 13px;
    letter-spacing: 2px;
    font-weight: 600;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-label {
    transform: translateY(0);
}

/* 场景图替换SVG为真实图片 */
.scenario-image img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    filter: drop-shadow(0 5px 20px rgba(0, 240, 255, 0.4));
    z-index: 1;
    position: relative;
    transition: transform 0.4s ease;
}

.scenario-card:hover .scenario-image img {
    transform: scale(1.15) rotate(-3deg);
}

/* 应用场景 - 真实场景图样式 */
.scenario-image.real-image {
    height: 180px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.scenario-image.real-image .scenario-icon {
    display: none;
}

/* 详情页响应式 - 画廊 */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 300px 200px 200px;
        height: auto;
    }

    .gallery-item:first-child {
        grid-row: span 1;
        grid-column: span 2;
        height: 400px;
    }
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, 200px);
    }

    .gallery-item:first-child {
        grid-row: span 1;
        grid-column: span 1;
        height: 250px;
    }

    .product-gallery {
        padding: 40px 20px;
    }
}

/* ===================== 详情页样式 ===================== */

/* 面包屑导航 */
.breadcrumb {
    max-width: 1400px;
    margin: 30px auto 0;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-dim);
}

.breadcrumb a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .separator {
    color: var(--primary);
}

.breadcrumb .current {
    color: var(--primary);
}

/* 产品详情 Hero */
.product-hero {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 70vh;
    position: relative;
}

.product-hero-visual {
    position: relative;
    height: 500px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(123, 47, 247, 0.08));
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-hero-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0, 240, 255, 0.3) 0%, transparent 60%);
    animation: pulse-bg 3s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

.product-hero-visual .drone-big {
    width: 280px;
    height: 280px;
    color: var(--primary);
    filter: drop-shadow(0 0 30px var(--primary));
    position: relative;
    z-index: 1;
    animation: float 5s ease-in-out infinite;
}

.product-hero-visual .badge-large {
    position: absolute;
    top: 30px;
    left: 30px;
    padding: 10px 20px;
    background: rgba(0, 240, 255, 0.2);
    border: 1px solid var(--primary);
    color: var(--primary);
    font-size: 13px;
    letter-spacing: 3px;
    border-radius: 4px;
    /**/ /* perf: removed */
    z-index: 2;
}

.product-hero-visual .badge-serial {
    position: absolute;
    bottom: 30px;
    right: 30px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: 'Courier New', monospace;
    font-size: 12px;
    border-radius: 4px;
    /**/ /* perf: removed */
    z-index: 2;
}

.product-hero-info .product-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--primary);
    color: var(--primary);
    font-size: 11px;
    letter-spacing: 3px;
    margin-bottom: 20px;
    border-radius: 30px;
}

.product-hero-info h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--text), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    line-height: 1.1;
}

.product-hero-info .product-subtitle {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.product-hero-info .product-description {
    font-size: 15px;
    color: var(--text-dim);
    line-height: 1.9;
    margin-bottom: 30px;
}

.product-hero-info .hero-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 35px;
}

.hero-spec {
    padding: 15px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--primary);
    border-radius: 4px;
    /**/ /* perf: removed */
}

.hero-spec .spec-label {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.hero-spec .spec-value {
    font-size: 22px;
    color: var(--primary);
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.hero-spec .spec-unit {
    font-size: 12px;
    color: var(--text-dim);
    margin-left: 3px;
}

/* 详情页 Section 通用 */
.detail-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 40px;
    position: relative;
}

.detail-section-header {
    margin-bottom: 50px;
}

.detail-section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--primary);
    margin-bottom: 15px;
    font-family: 'Courier New', monospace;
}

.detail-section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    margin-bottom: 15px;
    letter-spacing: 2px;
    color: var(--text);
}

.detail-section-desc {
    font-size: 15px;
    color: var(--text-dim);
    max-width: 700px;
    line-height: 1.7;
}

/* 核心特性 - 详情页 */
.detail-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.detail-feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 35px 25px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.detail-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    transition: height 0.4s ease;
}

.detail-feature:hover::before {
    height: 100%;
}

.detail-feature:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--glow);
}

.detail-feature .feature-number {
    display: inline-block;
    font-size: 12px;
    color: var(--primary);
    font-family: 'Courier New', monospace;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.detail-feature .feature-icon {
    width: 50px;
    height: 50px;
    color: var(--primary);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px var(--primary));
}

.detail-feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
}

.detail-feature p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.7;
}

/* 技术参数表 */
.tech-specs {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    /**/ /* perf: removed */
}

.tech-specs-header {
    padding: 25px 30px;
    background: linear-gradient(90deg, rgba(0, 240, 255, 0.1), transparent);
    border-bottom: 1px solid var(--border);
}

.tech-specs-header h3 {
    font-size: 20px;
    color: var(--text);
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tech-specs-header h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary);
    box-shadow: var(--glow);
}

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

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 30px;
    border-bottom: 1px solid rgba(0, 240, 255, 0.08);
    transition: background 0.3s ease;
}

.spec-row:hover {
    background: rgba(0, 240, 255, 0.03);
}

.spec-row:nth-child(odd) {
    border-right: 1px solid rgba(0, 240, 255, 0.08);
}

.spec-row .spec-name {
    font-size: 14px;
    color: var(--text-dim);
}

.spec-row .spec-data {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* 应用场景 */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.scenario-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
}

.scenario-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(0, 240, 255, 0.2);
}

.scenario-image {
    height: 160px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(123, 47, 247, 0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.scenario-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0, 240, 255, 0.2) 0%, transparent 60%);
}

.scenario-icon {
    font-size: 60px;
    filter: drop-shadow(0 0 15px var(--primary));
    z-index: 1;
    transition: transform 0.4s ease;
}

.scenario-card:hover .scenario-icon {
    transform: scale(1.15) rotate(10deg);
}

.scenario-info {
    padding: 20px;
}

.scenario-info h4 {
    font-size: 17px;
    color: var(--text);
    margin-bottom: 8px;
}

.scenario-info p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
}

/* 相关产品 */
.related-products {
    background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.02), transparent);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    transition: all 0.4s ease;
    text-decoration: none;
    color: var(--text);
    /**/ /* perf: removed */
}

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

.related-card .related-icon {
    width: 60px;
    height: 60px;
    color: var(--primary);
    margin: 0 auto 15px;
    filter: drop-shadow(0 0 10px var(--primary));
}

.related-card h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.related-card p {
    font-size: 12px;
    color: var(--text-dim);
}

/* ===================== 新闻板块 ===================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    gap: 25px;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.4s ease;
    /**/ /* perf: removed */
    display: flex;
    flex-direction: column;
}

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

.news-card-large {
    /* 不再跨行，所有卡片大小一致 */
}

.news-image {
    height: 180px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(123, 47, 247, 0.2));
    position: relative;
    overflow: hidden;
}

.news-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(0, 240, 255, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(123, 47, 247, 0.4) 0%, transparent 50%);
}

.news-img-2::before {
    background:
        radial-gradient(circle at 50% 50%, rgba(123, 47, 247, 0.5) 0%, transparent 50%);
}

.news-img-3::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(0, 240, 255, 0.5) 0%, transparent 50%);
}

.news-img-4::before {
    background:
        radial-gradient(circle at 80% 20%, rgba(255, 0, 170, 0.4) 0%, transparent 50%);
}

.news-card-large .news-image {
    height: 280px;
}

.news-img-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 2;
}

.news-image img.news-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    transition: transform 0.6s ease;
    filter: brightness(0.85) saturate(1.1);
}

.news-card:hover .news-image img.news-img {
    transform: scale(1.08);
}

/* Hero 无人机图片 */
.hero-drone {
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-tag {
    padding: 5px 12px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--primary);
    color: var(--primary);
    font-size: 11px;
    letter-spacing: 2px;
    border-radius: 3px;
    /**/ /* perf: removed */
}

.news-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-date {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 15px;
}

.news-day {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary);
    font-family: 'Courier New', monospace;
    line-height: 1;
}

.news-month {
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 2px;
}

.news-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-card-large .news-title {
    font-size: 22px;
}

.news-excerpt {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 15px;
    flex: 1;
}

.news-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.news-link:hover {
    letter-spacing: 3px;
}

/* ===================== 合作伙伴 ===================== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.partner-logo {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 30px 20px;
    text-align: center;
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
    letter-spacing: 2px;
    transition: all 0.4s ease;
    /**/ /* perf: removed */
    position: relative;
    overflow: hidden;
}

.partner-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.partner-logo:hover::before {
    left: 100%;
}

.partner-logo:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--glow);
}

.partner-logo span {
    color: var(--primary);
    font-size: 12px;
    display: block;
    margin-top: 5px;
    letter-spacing: 3px;
}

.testimonial {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 50px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    /**/ /* perf: removed */
    position: relative;
}

.quote-mark {
    font-size: 120px;
    color: var(--primary);
    font-family: Georgia, serif;
    line-height: 0.8;
    opacity: 0.3;
    position: absolute;
    top: 20px;
    left: 30px;
}

.quote-text {
    font-size: 17px;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.quote-author {
    position: relative;
    z-index: 1;
}

.quote-author strong {
    display: block;
    font-size: 15px;
    color: var(--primary);
    margin-bottom: 3px;
}

.quote-author span {
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* ===================== 资质证书 ===================== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 35px 20px;
    text-align: center;
    transition: all 0.4s ease;
    /**/ /* perf: removed */
    position: relative;
    overflow: hidden;
}

.cert-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.cert-card:hover::after {
    transform: scaleX(1);
}

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

.cert-icon {
    font-size: 48px;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px var(--primary));
    transition: transform 0.4s ease;
}

.cert-card:hover .cert-icon {
    transform: scale(1.2) rotate(10deg);
}

.cert-card h3 {
    font-size: 17px;
    color: var(--text);
    margin-bottom: 8px;
    font-weight: 700;
}

.cert-card p {
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.6;
}

/* ===================== CTA Section ===================== */
.cta-section {
    position: relative;
    padding: 120px 40px;
    text-align: center;
    background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.05), transparent);
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cta-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border);
}

.cta-circle-1 {
    width: 500px;
    height: 500px;
    top: -20%;
    left: -10%;
    animation: pulse-circle 4s ease-in-out infinite;
}

.cta-circle-2 {
    width: 600px;
    height: 600px;
    bottom: -30%;
    right: -15%;
    animation: pulse-circle 4s ease-in-out infinite;
    animation-delay: 2s;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 900;
    margin-bottom: 25px;
    letter-spacing: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: text-shine 3s linear infinite;
}

.cta-desc {
    font-size: 18px;
    color: var(--text-dim);
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================== 详情页响应式 ===================== */
@media (max-width: 1024px) {
    .product-hero {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-hero-visual {
        height: 350px;
    }

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

    .spec-row:nth-child(odd) {
        border-right: none;
    }

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

    .news-card-large {
        /* 不再特殊处理 */
    }

    .news-card-large .news-image {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .breadcrumb {
        padding: 20px;
    }

    .product-hero {
        padding: 20px;
    }

    .product-hero-visual {
        height: 280px;
    }

    .product-hero-visual .drone-big {
        width: 200px;
        height: 200px;
    }

    .hero-specs {
        grid-template-columns: 1fr;
    }

    .detail-section {
        padding: 60px 20px;
    }

    .scenario-grid,
    .related-grid,
    .cert-grid {
        grid-template-columns: 1fr;
    }

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

    .news-card-large {
        grid-column: span 1;
    }

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

    .cta-section {
        padding: 80px 20px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

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

    .spec-row {
        padding: 15px 20px;
    }
}

/* ===================== 规格卡片网格 - 重新设计 ===================== */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px;
}

.spec-card {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(123, 47, 247, 0.05) 100%);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 16px;
    padding: 28px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.spec-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.spec-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.spec-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary);
    box-shadow:
        0 20px 40px rgba(0, 240, 255, 0.2),
        0 0 60px rgba(0, 240, 255, 0.1);
}

.spec-card:hover::before {
    opacity: 0.1;
}

.spec-card:hover::after {
    left: 100%;
}

.spec-card > * {
    position: relative;
    z-index: 1;
}

.spec-card .spec-icon {
    color: var(--primary);
    margin-bottom: 20px;
    opacity: 0.9;
    filter: drop-shadow(0 0 8px var(--primary));
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.spec-card:hover .spec-icon {
    transform: scale(1.15);
    opacity: 1;
}

.spec-card .spec-label {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.spec-card .spec-value {
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
    background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.spec-card .spec-value .spec-unit {
    font-size: 14px;
    color: var(--text-dim);
    font-weight: 500;
    margin-left: 4px;
    -webkit-text-fill-color: var(--text-dim);
    text-shadow: none;
}

/* 响应式 */
@media (max-width: 1024px) {
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 30px 20px;
    }

    .spec-card {
        padding: 24px 16px;
    }

    .spec-card .spec-value {
        font-size: 22px;
    }
}

@media (max-width: 640px) {
    .specs-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 20px 16px;
    }

    .spec-card {
        padding: 20px;
        display: flex;
        align-items: center;
        gap: 20px;
        text-align: left;
        border-radius: 12px;
    }

    .spec-card .spec-icon {
        margin-bottom: 0;
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .spec-card .spec-icon svg {
        width: 36px;
        height: 36px;
    }

    .spec-card .spec-label {
        margin-bottom: 4px;
        font-size: 11px;
    }

    .spec-card .spec-value {
        font-size: 20px;
    }

    .spec-card:hover {
        transform: translateY(-4px) scale(1);
    }
}

/* ===================== 功能特点九宫格 ===================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px;
}

.features-grid .feature-card {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.06) 0%, rgba(123, 47, 247, 0.03) 100%);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.features-grid .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.features-grid .feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 240, 255, 0.15);
}

.features-grid .feature-card:hover::before {
    opacity: 1;
}

.features-grid .feature-icon {
    color: var(--primary);
    margin-bottom: 16px;
    opacity: 0.9;
    transition: transform 0.3s ease;
}

.features-grid .feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.features-grid .feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.features-grid .feature-card p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
    margin: 0;
}

/* ===================== 应用场景九宫格 ===================== */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px;
}

.scenarios-grid .scenario-card {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.06) 0%, rgba(123, 47, 247, 0.03) 100%);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.scenarios-grid .scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.scenarios-grid .scenario-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 240, 255, 0.15);
}

.scenarios-grid .scenario-card:hover::before {
    opacity: 1;
}

.scenarios-grid .scenario-icon {
    color: var(--primary);
    margin-bottom: 16px;
    opacity: 0.9;
    transition: transform 0.3s ease;
}

.scenarios-grid .scenario-card:hover .scenario-icon {
    transform: scale(1.1);
}

.scenarios-grid .scenario-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.scenarios-grid .scenario-card p {
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.6;
    margin: 0;
}

/* 响应式 - 平板 */
@media (max-width: 1024px) {
    .features-grid,
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 30px 20px;
    }
}

/* 响应式 - 手机 */
@media (max-width: 640px) {
    .features-grid,
    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 20px 16px;
    }

    .features-grid .feature-card,
    .scenarios-grid .scenario-card {
        padding: 20px;
        display: flex;
        align-items: center;
        gap: 16px;
        text-align: left;
    }

    .features-grid .feature-icon,
    .scenarios-grid .scenario-icon {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .features-grid .feature-icon svg,
    .scenarios-grid .scenario-icon svg {
        width: 40px;
        height: 40px;
    }

    .features-grid .feature-card h3,
    .scenarios-grid .scenario-card h3 {
        margin-bottom: 4px;
        font-size: 15px;
    }

    .features-grid .feature-card p,
    .scenarios-grid .scenario-card p {
        font-size: 12px;
    }
}