/* ========================================
   一语科技 · AI机器视觉系统专属页面样式
   ======================================== */

/* ===== 视觉系统 Hero 首屏 ===== */
.vision-hero {
    position: relative;
    min-height: 560px;
    background: var(--bg-dark);
    overflow: hidden;
    padding: 70px 0;
}

.vision-hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.vision-hero-scanlines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 2px);
    background-size: 100% 4px;
    mask-image: radial-gradient(ellipse at 60% 40%, black 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at 60% 40%, black 20%, transparent 75%);
}

.vision-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(24, 144, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 144, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.vision-hero-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(100px);
    background: radial-gradient(circle, rgba(0, 212, 255, 0.35) 0%, transparent 70%);
    top: -80px;
    right: 10%;
    animation: heroGlow 6s ease-in-out infinite;
}

.vision-hero-glow-2 {
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    filter: blur(90px);
    background: radial-gradient(circle, rgba(114, 46, 209, 0.3) 0%, transparent 70%);
    bottom: -100px;
    left: -5%;
    animation: heroGlow 7s ease-in-out infinite reverse;
}

@keyframes heroGlow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.vision-hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
    min-height: 450px;
}

.vision-hero-left {
    flex: 1;
    max-width: 600px;
}

.vision-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    font-size: 13px;
    color: var(--cyan);
    margin-bottom: 22px;
    font-weight: 500;
    letter-spacing: 1px;
}

.vision-hero-badge .scan-dot {
    width: 8px;
    height: 8px;
    background: var(--cyan);
    border-radius: 50%;
    animation: badgePulse 2s ease-in-out infinite;
}

.vision-hero-title {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 0 18px;
}

.vision-hero-title .line {
    display: block;
    color: var(--text-primary);
}

.vision-hero-title .accent {
    background: linear-gradient(135deg, #00d4ff 0%, #1890ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.vision-hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.85;
    margin: 0 0 28px;
    max-width: 540px;
}

.vision-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    margin-bottom: 30px;
}

.vision-hero-tags span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(24, 144, 255, 0.06);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all 0.3s;
}

.vision-hero-tags span:hover {
    background: rgba(24, 144, 255, 0.12);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.vision-hero-tags span::before {
    content: '◆';
    color: var(--cyan);
    font-size: 8px;
}

.vision-hero-actions {
    display: flex;
    gap: 14px;
}

/* Hero右侧 - 相机可视化 */
.vision-hero-right {
    flex: 0 0 440px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.camera-visual {
    position: relative;
    width: 400px;
    height: 400px;
    isolation: isolate; /* 创建独立堆叠上下文，防止内部层级溢出 */
}

.camera-body {
    position: absolute;
    width: 240px;
    height: 180px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(145deg, #1a2a45 0%, #0d1726 100%);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 212, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1; /* 相机主体低于检测框 */
}

.camera-lens {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: radial-gradient(circle, #0a1628 0%, #00d4ff 30%, #1890ff 50%, #0a1628 70%);
    box-shadow:
        0 0 0 6px rgba(0, 212, 255, 0.1),
        0 0 0 14px rgba(0, 212, 255, 0.06),
        inset 0 0 30px rgba(0, 212, 255, 0.3);
    position: relative;
    animation: lensPulse 3s ease-in-out infinite;
    z-index: 1; /* 镜头位于相机主体之下、检测框之下 */
}

.camera-lens::after {
    content: '';
    position: absolute;
    inset: 15px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, rgba(255,255,255,0.25), transparent 50%), #030816;
    box-shadow: inset 0 0 20px rgba(0, 212, 255, 0.2);
}

@keyframes lensPulse {
    0%, 100% { box-shadow: 0 0 0 6px rgba(0, 212, 255, 0.1), 0 0 0 14px rgba(0, 212, 255, 0.06), inset 0 0 30px rgba(0, 212, 255, 0.3); }
    50% { box-shadow: 0 0 0 8px rgba(0, 212, 255, 0.2), 0 0 0 18px rgba(0, 212, 255, 0.1), inset 0 0 40px rgba(0, 212, 255, 0.5); }
}

/* 扫描视场区域 */
.camera-fov {
    position: absolute;
    width: 340px;
    height: 280px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px dashed rgba(0, 212, 255, 0.35);
    border-radius: 12px;
    animation: fovScan 4s ease-in-out infinite;
    z-index: 2; /* 视场+检测框 始终高于相机主体 */
    overflow: visible; /* 允许检测框标签溢出 */
}

.camera-fov::before {
    content: '';
    position: absolute;
    top: 10%;
    left: 5%;
    right: 5%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    animation: scanLine 3s ease-in-out infinite;
    z-index: 3; /* 扫描线在检测框(4)之下、相机(1)之上 */
    pointer-events: none;
}

@keyframes scanLine {
    0% { top: 10%; opacity: 1; }
    50% { top: 85%; opacity: 1; }
    100% { top: 10%; opacity: 1; }
}

@keyframes fovScan {
    0%, 100% { border-color: rgba(0, 212, 255, 0.3); }
    50% { border-color: rgba(0, 212, 255, 0.6); }
}

/* 周围检测框 */
.detection-box {
    position: absolute;
    border: 2px solid var(--cyan);
    border-radius: 4px;
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.5), inset 0 0 12px rgba(0, 212, 255, 0.12);
    z-index: 4; /* 检测框始终在最上层 */
    background: rgba(0, 212, 255, 0.04);
}

.detection-box::before {
    content: attr(data-label);
    position: absolute;
    top: -22px;
    left: -2px;
    padding: 3px 10px;
    background: linear-gradient(135deg, #00d4ff 0%, #1890ff 100%);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(0, 212, 255, 0.45);
    z-index: 5; /* 标签浮于检测框之上 */
    letter-spacing: 0.5px;
}

.det-box-1 { width: 52px; height: 68px; top: 28px; left: 24px; animation: detBlink 2s ease-in-out infinite; }
.det-box-2 { width: 60px; height: 44px; top: 42px; right: 28px; animation: detBlink 2.3s ease-in-out infinite 0.4s; }
.det-box-3 { width: 50px; height: 64px; bottom: 42px; left: 46px; animation: detBlink 2.5s ease-in-out infinite 0.8s; }
.det-box-4 { width: 66px; height: 42px; bottom: 58px; right: 24px; animation: detBlink 2.2s ease-in-out infinite 1.2s; }

@keyframes detBlink {
    0%, 100% { opacity: 1; border-color: var(--cyan); }
    50% { opacity: 0.4; border-color: rgba(0, 212, 255, 0.5); }
}

/* ===== 技术简介板块 ===== */
.vision-intro { background: var(--bg-darker); }

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

.intro-text h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 20px;
    line-height: 1.35;
}

.intro-text h3 .cyan { color: var(--cyan); }

.intro-text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin: 0 0 16px;
}

.intro-feature-tags {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 28px;
}

.intro-tag {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all 0.3s;
}

.intro-tag:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.intro-tag .tag-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.intro-tag .tag-text {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.intro-visual {
    position: relative;
    aspect-ratio: 1/1;
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
}

.intro-visual-card {
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    padding: 30px;
}

.tech-radar {
    position: relative;
    width: 100%;
    height: 100%;
}

.tech-radar .radar-ring {
    position: absolute;
    border: 1px solid var(--border);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.tech-radar .ring-r1 { width: 92%; height: 92%; animation: radarSpin 20s linear infinite; border-color: rgba(0, 212, 255, 0.15); }
.tech-radar .ring-r2 { width: 72%; height: 72%; animation: radarSpin 16s linear infinite reverse; border-color: rgba(0, 212, 255, 0.2); }
.tech-radar .ring-r3 { width: 52%; height: 52%; animation: radarSpin 12s linear infinite; border-color: rgba(24, 144, 255, 0.3); }
.tech-radar .ring-r4 { width: 32%; height: 32%; animation: radarSpin 8s linear infinite reverse; border-color: rgba(114, 46, 209, 0.35); }

@keyframes radarSpin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.tech-radar .radar-cross {
    position: absolute;
    inset: 8%;
    background:
        linear-gradient(to right, transparent 49.5%, rgba(0, 212, 255, 0.2) 50%, transparent 50.5%),
        linear-gradient(to bottom, transparent 49.5%, rgba(0, 212, 255, 0.2) 50%, transparent 50.5%);
}

.tech-radar .radar-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.tech-radar .radar-point {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--cyan);
}
.rp1 { top: 18%; left: 28%; animation: radarPulse 2.5s ease-in-out infinite; }
.rp2 { top: 32%; right: 20%; animation: radarPulse 3s ease-in-out infinite 0.5s; }
.rp3 { bottom: 26%; left: 22%; animation: radarPulse 2.8s ease-in-out infinite 1s; }
.rp4 { bottom: 18%; right: 30%; animation: radarPulse 3.2s ease-in-out infinite 1.5s; }

@keyframes radarPulse {
    0%, 100% { opacity: 0.4; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.3); }
}

/* ===== 应用场景 ===== */
.vision-scenes { background: var(--bg-dark); }

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

.scene-vision-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.4s;
}

.scene-vision-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-light);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.45);
}

.scene-vision-head {
    height: 160px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.scene-vision-head::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(24, 144, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24, 144, 255, 0.08) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.6;
}

.svh-color-1 { background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(114, 46, 209, 0.12)); }
.svh-color-2 { background: linear-gradient(135deg, rgba(24, 144, 255, 0.15), rgba(0, 212, 255, 0.1)); }
.svh-color-3 { background: linear-gradient(135deg, rgba(114, 46, 209, 0.15), rgba(24, 144, 255, 0.12)); }
.svh-color-4 { background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(24, 144, 255, 0.15)); }
.svh-color-5 { background: linear-gradient(135deg, rgba(24, 144, 255, 0.12), rgba(114, 46, 209, 0.15)); }
.svh-color-6 { background: linear-gradient(135deg, rgba(114, 46, 209, 0.12), rgba(0, 212, 255, 0.15)); }

.scene-vision-icon {
    position: relative;
    z-index: 2;
    font-size: 64px;
    filter: drop-shadow(0 4px 12px rgba(0, 212, 255, 0.3));
    transition: transform 0.4s;
}

.scene-vision-card:hover .scene-vision-icon {
    transform: scale(1.1);
}

.scene-vision-body {
    padding: 24px 26px 28px;
}

.scene-vision-body h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 10px;
}

.scene-vision-body p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0 0 16px;
}

.scene-vision-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.scene-vision-meta span {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    color: var(--primary-light);
    background: rgba(24, 144, 255, 0.08);
    border-radius: 4px;
}

/* ===== 核心技术能力 ===== */
.vision-capabilities { background: var(--bg-darker); }

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

.capab-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.capab-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s;
}

.capab-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-light);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
}

.capab-card:hover::before { opacity: 1; }

.capab-num {
    font-size: 44px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 16px;
}

.capab-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 10px;
}

.capab-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===== 产品硬件展示 ===== */
.vision-products { background: var(--bg-dark); }

.products-showcase {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: center;
}

.product-main-img {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-main-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(0, 212, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.06) 1px, transparent 1px);
    background-size: 30px 30px;
}

.product-camera-illust {
    position: relative;
    z-index: 2;
    text-align: center;
}

.product-camera-illust .big-cam {
    font-size: 160px;
    filter: drop-shadow(0 12px 32px rgba(0, 212, 255, 0.4));
    animation: camFloat 4s ease-in-out infinite;
}

@keyframes camFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.product-camera-illust .cam-label {
    display: inline-block;
    margin-top: 16px;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
}

.product-spec-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.spec-item {
    display: flex;
    gap: 20px;
    padding: 20px 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: all 0.3s;
}

.spec-item:hover {
    border-color: var(--border-light);
    transform: translateX(4px);
}

.spec-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.spec-info h5 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 6px;
}

.spec-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===== 三大核心方向 ===== */
.vision-directions { background: var(--bg-darker); }

.directions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.direction-card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 40px 30px;
    transition: all 0.4s;
    overflow: hidden;
}

.direction-card::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glow), transparent 70%);
    opacity: 0.4;
    transition: opacity 0.4s;
}

.direction-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-light);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.direction-card:hover::before { opacity: 0.8; }

.dir-icon {
    position: relative;
    z-index: 2;
    width: 72px;
    height: 72px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin-bottom: 22px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.direction-card h3 {
    position: relative;
    z-index: 2;
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 10px;
}

.direction-card .dir-sub {
    position: relative;
    z-index: 2;
    display: block;
    font-size: 12px;
    color: var(--cyan);
    letter-spacing: 1.5px;
    margin-bottom: 18px;
    font-weight: 500;
}

.direction-card .dir-desc {
    position: relative;
    z-index: 2;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.85;
    margin: 0 0 18px;
}

.direction-card ul {
    position: relative;
    z-index: 2;
    list-style: none;
    padding: 0;
    margin: 0;
}

.direction-card ul li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 0 6px 20px;
    position: relative;
}

.direction-card ul li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--cyan);
    font-size: 8px;
    top: 11px;
}

/* ===== CTA 底部行动号召 ===== */
.vision-cta-section {
    position: relative;
    background: var(--bg-dark);
    overflow: hidden;
    padding: 80px 0;
}

.vision-cta-bg {
    position: absolute;
    inset: 0;
}

.cta-glow {
    position: absolute;
    width: 600px;
    height: 400px;
    border-radius: 50%;
    filter: blur(120px);
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3), transparent 70%);
}

.vision-cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.vision-cta-inner h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 16px;
    line-height: 1.3;
}

.vision-cta-inner h2 .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.vision-cta-inner .cta-sub {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0 0 32px;
}

.vision-cta-inner .cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .vision-hero-content { flex-direction: column; gap: 40px; text-align: center; }
    .vision-hero-left { max-width: 100%; }
    .vision-hero-actions, .vision-hero-tags { justify-content: center; }
    .vision-hero-right { flex: none; }
    .camera-visual { width: 340px; height: 340px; }
    .vision-hero-title { font-size: 34px; }

    .intro-layout { grid-template-columns: 1fr; gap: 40px; }
    .scene-vision-grid { grid-template-columns: 1fr 1fr; }
    .capab-grid { grid-template-columns: repeat(2, 1fr); }
    .products-showcase { grid-template-columns: 1fr; gap: 32px; }
    .directions-grid { grid-template-columns: 1fr; }

    .vision-cta-inner h2 { font-size: 28px; }
}

@media (max-width: 768px) {
    .vision-hero { padding: 50px 0; min-height: auto; }
    .vision-hero-title { font-size: 28px; }
    .vision-hero-subtitle { font-size: 14px; }
    .camera-visual { width: 280px; height: 280px; }
    .camera-body { width: 180px; height: 140px; }
    .camera-lens { width: 80px; height: 80px; }
    .camera-fov { width: 260px; height: 220px; }

    .scene-vision-grid { grid-template-columns: 1fr; }
    .capab-grid { grid-template-columns: 1fr; }
    .intro-feature-tags { grid-template-columns: 1fr; }
    .product-camera-illust .big-cam { font-size: 110px; }
    .spec-item { flex-direction: column; gap: 12px; }

    .vision-cta-section { padding: 50px 0; }
    .vision-cta-inner h2 { font-size: 24px; }
    .vision-cta-inner .cta-actions { flex-direction: column; align-items: center; }
}