/* ══════════════════════════════════════════════
   VIS-DCM3 Product Page — styles.css
   ══════════════════════════════════════════════ */

/* ── Seed Tokens ── */
:root {
  --seed-bg: #0f0f14;
  --seed-bg-alt: #16161d;
  --seed-fg: #f0f0f2;
  --seed-primary: #338c56;
  --seed-primary-dark: #2a6f45;
  --seed-surface: #1e1e28;
  --seed-surface-light: #ffffff;
  --seed-muted: #a8adb5;
  --seed-border: rgba(255,255,255,0.08);
  --seed-border-light: rgba(0,0,0,0.06);
  --seed-radius: 12px;
  --font-scale: 1;
  --font-display: 'Geologica', 'Noto Sans SC', sans-serif;
  --font-body: 'Gantari', 'Noto Sans SC', sans-serif;
  --text-on-light: #1a1a1a;
  --text-secondary-light: #525252;
  --text-tertiary-light: #667085;
  --text-muted-light: #656d76;
  --surface-card: #f8f9fa;
  --surface-illustration: #f0f2f5;
  --illustration-wall: #e4e7ec;
  --illustration-furniture: #d0d5dd;
  --illustration-accent: #98a2b3;
}

/* ── Base Overrides ── */
img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── Container Override ── */
.container { max-width: 1200px; }

/* ── Typography ── */
.vis_array_t_display {
        font-family: var(--font-display);
        font-size: 3.8rem;
        font-weight: 400;
        line-height: 1.05;
        letter-spacing: -0.025em;
    
    }
.vis_array_t_h1 {
  font-family: var(--font-display);
  font-size: calc(clamp(1.5rem, 3.5vw, 3rem) * var(--font-scale));
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.vis_array_t_h2 {
  font-family: var(--font-display);
  font-size: calc(clamp(1.125rem, 2vw, 1.75rem) * var(--font-scale));
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.vis_array_t_h3 {
  font-family: var(--font-display);
  font-size: calc(clamp(0.9375rem, 1.5vw, 1.25rem) * var(--font-scale));
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.005em;
}
.vis_array_t_body { font-size: 1rem; line-height: 1.6; font-weight: 400; }
.vis_array_t_small { font-size: 0.875rem; line-height: 1.5; letter-spacing: 0.01em; }
.vis_array_t_caption { font-size: 0.75rem; line-height: 1.5; letter-spacing: 0.02em; }
.vis_array_t_label {
        font-family: var(--font-display);
        font-size: 0.65rem;
        font-weight: 500;
        letter-spacing: 0.08em;
        text-transform: uppercase;
    
    }

/* ── Section Padding ── */
.vis_array_section_pad { padding: clamp(3rem, 8vw, 7rem) 0; }


/* ── CTA Buttons ── */
.vis_array_btn_vsonic {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: var(--seed-primary);
  color: var(--seed-surface-light);
  border: none;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}
.vis_array_btn_vsonic:hover {
  background: var(--seed-primary-dark);
  color: var(--seed-surface-light);
  transform: translateY(-1px);
  text-decoration: none;
      font-size: 0.875rem;
  font-weight: 500;
}
.vis_array_btn_vsonic_outline {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.75rem 2rem;
        background: transparent;
        color: var(--seed-fg);
        border: 1px solid rgba(255,255,255,0.5);
        border-radius: 50px;
        font-family: var(--font-display);
        font-size: 0.875rem;
        font-weight: 500;
        cursor: pointer;
        transition: border-color 0.3s ease, background 0.3s ease;
        backdrop-filter: blur(20px);
    
    }
.vis_array_btn_vsonic_outline:hover {
  border-color: var(--seed-primary);
  background: rgba(51,140,86,0.08);
  color: var(--seed-fg);
  text-decoration: none;
      font-size: 0.875rem;
  font-weight: 500;
}

/* ── Hero ── */
.vis_array_hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--seed-bg);
  overflow: hidden;
}
.vis_array_hero_media_layer {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.vis_array_hero_media_layer .vis_array_hero_poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  z-index: 1;
}
.vis_array_hero_media_layer .vis_array_hero_video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  z-index: 1;
}
.vis_array_hero_overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  background:
    rgba(15,15,20,0.55),
    radial-gradient(ellipse 60% 50% at 50% 40%, rgba(51,140,86,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 80% 60% at 30% 80%, rgba(51,140,86,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.vis_array_hero_content {
        position: relative;
        z-index: 4;
        margin-bottom: 10rem;
    
    }
.vis_array_hero_eyebrow {
        display: inline-block;
        padding: 0.375rem 1rem;
        border: 1px solid rgba(51,140,86,0.3);
        border-radius: 50px;
        color: var(--seed-primary);
        margin-bottom: 0.4rem;
        backdrop-filter: blur(4px);
        display: none;
    
    }
.vis_array_hero_title {
        margin-bottom: 1.25rem;
    
    }
.vis_array_hero_title em { font-style: normal; color: var(--seed-primary); }
.vis_array_hero_sub {
        max-width: 1140px;
        margin: 0 auto 2.5rem;
        color: #676767;
        font-size: clamp(0.9375rem, 1.5vw, 1.125rem);
        font-weight: 400;
    
    }
.vis_array_scroll_hint {
        position: absolute;
        bottom: 4.5rem;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0rem;
        color: var(--seed-muted);
        animation: float 2.5s ease-in-out infinite;
        z-index: 4;
    
    }
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ── Overview ── */
.vis_array_overview {
  background: var(--seed-surface-light);
  color: var(--text-on-light);
}
.vis_array_overview_intro {
        /* max-width: 720px; */
        margin: 0 auto 3.5rem;
        text-align: center;
    
    }
.vis_array_overview_intro .vis_array_t_h1 {
        color: #1d1d1d !important;
        margin-bottom: 3rem;
    
    }
.vis_array_overview_intro .vis_array_t_body {
        color: var(--text-secondary-light);
        /* max-width: 65ch; */
        margin: 0 auto;
    
    }
.vis_array_stat_card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--surface-card);
  border-radius: var(--seed-radius);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}
.vis_array_stat_card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}
.vis_array_stat_icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1.25rem;
  color: var(--seed-primary);
}
/* Iconfont icon sizing for stat cards */
i.iconfont.vis_array_stat_icon {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  width: auto;
  height: auto;
  margin: 0 auto 1.25rem;
}
.vis_array_stat_number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--seed-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.vis_array_stat_unit {
  font-size: 1rem;
  font-weight: 400;
  color: var(--seed-primary);
}
.vis_array_stat_label {
  color: var(--text-secondary-light);
  font-size: 0.9375rem;
  margin-top: 0.25rem;
}

/* ── Features ── */
.vis_array_features { background: var(--seed-bg); }
.vis_array_features_header {
  text-align: center;
  margin-bottom: 4rem;
}
.vis_array_features_header .vis_array_t_label { color: var(--seed-primary); margin-bottom: 0.75rem; }
.vis_array_features_header .vis_array_t_h1 { margin-bottom: 1rem; }
.vis_array_features_header .vis_array_t_body { color: var(--seed-muted); max-width: 50ch; margin: 0 auto; }
.vis_array_feature_row {
  align-items: center;
  padding: 3rem 0;
  border-top: 1px solid var(--seed-border);
}
.vis_array_feature_visual {
  aspect-ratio: 4/3;
  background: var(--seed-surface);
  border-radius: var(--seed-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--seed-border);
  position: relative;
}
.vis_array_feature_visual svg {
  width: min(100%, 520px);
  height: auto;
  display: block;
}
.vis_array_feature_text .vis_array_t_label {
  color: var(--seed-primary);
  margin-bottom: 0.75rem;
  display: block;
}
.vis_array_feature_text .vis_array_t_h2 { margin-bottom: 1rem; }
.vis_array_feature_text .vis_array_t_body { color: var(--seed-muted); max-width: 48ch; }
.vis_array_feature_tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(51,140,86,0.1);
  color: var(--seed-primary);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-top: 1rem;
  letter-spacing: 0.01em;
}

/* ── Specs ── */
.vis_array_specs {
  background: var(--seed-bg-alt);
  border-top: 1px solid var(--seed-border);
  border-bottom: 1px solid var(--seed-border);
}
.vis_array_specs_header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.vis_array_specs_header .vis_array_t_label { color: var(--seed-primary); margin-bottom: 0.75rem; }
.vis_array_specs_grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--seed-border);
  border-radius: var(--seed-radius);
  overflow: hidden;
}
.vis_array_spec_group {
  background: var(--seed-surface);
  padding: 2rem;
}
.vis_array_spec_group_title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--seed-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--seed-border);
}

.vis_array_t_display.vis_array_hero_stitle {
    display: inline-block;
    padding: 0.375rem 1rem;
    border: 1.5px solid rgba(51,140,86,0.3);
    border-radius: 50px;
    color: var(--seed-primary);
    margin-bottom: 0.4rem;
    backdrop-filter: blur(10px);
    font-size: 1.3rem;
    font-weight: 400;
}

.vis_array_spec_row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.5rem 0;
}
.vis_array_spec_row + .vis_array_spec_row { border-top: 1px solid rgba(255,255,255,0.04); }
.vis_array_spec_key { color: var(--seed-muted); font-size: 0.875rem; }
.vis_array_spec_val {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--seed-fg);
  text-align: right;
}

/* ── Video ── */
.vis_array_video_section { background: var(--seed-bg); }
.vis_array_video_header {
  text-align: center;
  margin-bottom: 3rem;
}
.vis_array_video_header .vis_array_t_label { color: var(--seed-primary); margin-bottom: 0.75rem; }
.vis_array_video_player {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  aspect-ratio: 16/9;
  background: var(--seed-surface);
  border-radius: var(--seed-radius);
  overflow: hidden;
  border: 1px solid var(--seed-border);
  cursor: pointer;
  transition: border-color 0.3s ease;
}
.vis_array_video_player:hover { border-color: rgba(51,140,86,0.3); }
.vis_array_video_player:hover .vis_array_play_btn { transform: translate(-50%,-50%) scale(1.08); }
.vis_array_video_player .vis_array_video_element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.vis_array_video_player .video-scene {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vis_array_play_btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 72px;
  height: 72px;
  background: var(--seed-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, opacity 0.4s ease;
  box-shadow: 0 8px 32px rgba(51,140,86,0.3);
  z-index: 2;
}
.vis_array_play_btn i.iconfont { font-size: 2.5rem; color: var(--seed-surface-light); }
/* Hide play button when video is playing */
.vis_array_video_player.vis_array_is_playing .vis_array_play_btn {
  opacity: 0;
  pointer-events: none;
}
.vis_array_video_player.vis_array_is_playing:hover .vis_array_play_btn {
  opacity: 0;
}
.video-info {
  text-align: center;
  margin-top: 1.5rem;
}
.video-info .vis_array_t_h3 { margin-bottom: 0.375rem; }
.video-info .vis_array_t_small { color: var(--seed-muted); }

/* ── Cases ── */
.vis_array_cases { background: var(--seed-surface-light); color: var(--text-on-light); }
.vis_array_cases_header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.vis_array_cases_header .vis_array_t_label { color: var(--seed-primary); margin-bottom: 0.75rem; }
.vis_array_cases_header .vis_array_t_h1 { color: var(--text-on-light); margin-bottom: 1rem; }
.vis_array_cases_header .vis_array_t_body { color: var(--text-secondary-light); max-width: 50ch; margin: 0 auto; }
.vis_array_case_card {
  border-radius: var(--seed-radius);
  overflow: hidden;
  background: var(--seed-surface-light);
  border: 1px solid var(--seed-border-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}
.vis_array_case_card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
}
.vis_array_case_visual {
  aspect-ratio: 4/3;
  background: var(--surface-illustration);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.vis_array_case_body { padding: 1.25rem; }
.vis_array_case_body .vis_array_t_h3 { color: var(--text-on-light); margin-bottom: 0.375rem; font-size: 1rem; }
.vis_array_case_body .vis_array_t_small { color: var(--text-muted-light); }

/* ── System Diagram ── */
.vis_array_system { background: var(--seed-bg); }
.vis_array_system_header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.vis_array_system_header .vis_array_t_label { color: var(--seed-primary); margin-bottom: 0.75rem; }
.vis_array_system_diagram {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem;
  background: var(--seed-surface);
  border-radius: var(--seed-radius);
  border: 1px solid var(--seed-border);
}


/* ── Scroll Animation ── */
.vis_array_reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.vis_array_reveal.vis_array_visible {
  opacity: 1;
  transform: translateY(0);
}
.vis_array_reveal_delay_1 { transition-delay: 0.1s; }
.vis_array_reveal_delay_2 { transition-delay: 0.2s; }
.vis_array_reveal_delay_3 { transition-delay: 0.3s; }

/* ── SVG Illustration Classes ── */
.vis_array_svg_bg { fill: var(--surface-illustration); }
.vis_array_svg_wall { fill: var(--illustration-wall); }
.vis_array_svg_wall_stroke { stroke: var(--illustration-furniture); }
.vis_array_svg_furniture { fill: var(--illustration-furniture); }
.vis_array_svg_person { fill: var(--illustration-accent); }
.vis_array_svg_label { fill: var(--text-tertiary-light); }

/* ── Skip Navigation ── */
.vis_array_skip_nav {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--seed-primary);
  color: var(--seed-surface-light);
  border-radius: 0 0 var(--seed-radius) var(--seed-radius);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  transition: top 0.2s ease;
}
.vis_array_skip_nav:focus {
  top: 0;
  outline: 3px solid var(--seed-primary);
  outline-offset: 2px;
  text-decoration: none;
  color: var(--seed-surface-light);
}

/* ── Focus Indicators ── */
*:focus-visible {
  outline: 2px solid var(--seed-primary);
  outline-offset: 3px;
}
.vis_array_btn_vsonic:focus-visible,
.vis_array_btn_vsonic_outline:focus-visible {
  outline: 3px solid var(--seed-primary);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(51,140,86,0.2);
}

/* ── Scroll Progress Bar ── */
.vis_array_scroll_progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--seed-primary);
  z-index: 1090;
  width: 0%;
  transition: width 0.1s linear;
}


/* ── Video Player States ── */
.vis_array_video_player[aria-busy="true"] .vis_array_play_btn {
  animation: pulse-play 1.5s ease infinite;
}
@keyframes pulse-play {
  0%, 100% { box-shadow: 0 8px 32px rgba(51,140,86,0.3); }
  50% { box-shadow: 0 8px 48px rgba(51,140,86,0.5); }
}
.vis_array_video_player_toast {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  padding: 0.5rem 1.25rem;
  background: rgba(15,15,20,0.85);
  backdrop-filter: blur(8px);
  border-radius: 50px;
  color: var(--seed-fg);
  font-size: 0.8125rem;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
  white-space: nowrap;
}
.vis_array_video_player_toast.vis_array_show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .vis_array_reveal { opacity: 1; transform: none; }
  .vis_array_scroll_hint { animation: none; }
}


/* ══════════════════════════════════════════════
   SVG Feature Animations
   Browser-compatible: Safari 14+, Firefox, Chrome, Edge
   5s timeline animations at bottom of file (authoritative)
   ══════════════════════════════════════════════ */


/* ── Animation Visibility Control ──
   Animations start only when vis_array_feature_visual enters viewport  */

.vis_array_feature_visual .vis_array_input_signal,
.vis_array_feature_visual .vis_array_clean_output,
.vis_array_feature_visual .vis_array_ai_shield,
.vis_array_feature_visual .vis_array_suppress_badge,
.vis_array_feature_visual .vis_array_voice_wave_base,
.vis_array_feature_visual .vis_array_noise_overlay,
.vis_array_feature_visual .vis_array_clean_wave,
.vis_array_feature_visual .vis_array_doa_sync,
.vis_array_feature_visual .vis_array_doa_beam,
.vis_array_feature_visual .vis_array_sonar_ring,
.vis_array_feature_visual .vis_array_speaker_track,
.vis_array_feature_visual .vis_array_casc_unit,
.vis_array_feature_visual .vis_array_casc_link,
.vis_array_feature_visual .vis_array_casc_flow,
.vis_array_feature_visual .vis_array_casc_arrow,
.vis_array_feature_visual .vis_array_casc_port_in,
.vis_array_feature_visual .vis_array_casc_port_out,
.vis_array_feature_visual .vis_array_casc_drop,
.vis_array_feature_visual .vis_array_casc_switch,
.vis_array_feature_visual .vis_array_person_speaking,
.vis_array_feature_visual .vis_array_person_body,
.vis_array_feature_visual .vis_array_speak_wave,
.vis_array_feature_visual .vis_array_camera_unit,
.vis_array_feature_visual .vis_array_camera_lens,
.vis_array_feature_visual .vis_array_cam_view_cone,
.vis_array_feature_visual .vis_array_track_frame,
.vis_array_feature_visual .vis_array_latency_stage,
.vis_array_feature_visual .vis_array_wave_in,
.vis_array_feature_visual .vis_array_sample_dot,
.vis_array_feature_visual .vis_array_latency_arrow,
.vis_array_feature_visual .vis_array_dsp_pulse,
.vis_array_feature_visual .vis_array_data_packet,
.vis_array_feature_visual .vis_array_wave_out,
.vis_array_feature_visual .vis_array_timeline_fill,
.vis_array_feature_visual .vis_array_latency_value,
.vis_array_feature_visual .vis_array_afc_capture,
.vis_array_feature_visual .vis_array_afc_forward,
.vis_array_feature_visual .vis_array_afc_flow_dot,
.vis_array_feature_visual .vis_array_afc_dsp,
.vis_array_feature_visual .vis_array_afc_dsp_pulse,
.vis_array_feature_visual .vis_array_afc_speaker_wave,
.vis_array_feature_visual .vis_array_afc_feedback_path,
.vis_array_feature_visual .vis_array_afc_cancel_path,
.vis_array_feature_visual .vis_array_afc_cancel,
.vis_array_feature_visual .vis_array_beam_dot,
.vis_array_feature_visual .vis_array_beam_line {
  opacity: 0;
  will-change: opacity;
}
.vis_array_feature_visual.vis_array_anim_active .vis_array_input_signal,
.vis_array_feature_visual.vis_array_anim_active .vis_array_clean_output,
.vis_array_feature_visual.vis_array_anim_active .vis_array_ai_shield,
.vis_array_feature_visual.vis_array_anim_active .vis_array_suppress_badge,
.vis_array_feature_visual.vis_array_anim_active .vis_array_voice_wave_base,
.vis_array_feature_visual.vis_array_anim_active .vis_array_noise_overlay,
.vis_array_feature_visual.vis_array_anim_active .vis_array_clean_wave,
.vis_array_feature_visual.vis_array_anim_active .vis_array_beam_dot,
.vis_array_feature_visual.vis_array_anim_active .vis_array_beam_line,
.vis_array_feature_visual.vis_array_anim_active .vis_array_doa_sync,
.vis_array_feature_visual.vis_array_anim_active .vis_array_doa_beam,
.vis_array_feature_visual.vis_array_anim_active .vis_array_sonar_ring,
.vis_array_feature_visual.vis_array_anim_active .vis_array_speaker_track,
.vis_array_feature_visual.vis_array_anim_active .vis_array_casc_unit,
.vis_array_feature_visual.vis_array_anim_active .vis_array_casc_link,
.vis_array_feature_visual.vis_array_anim_active .vis_array_casc_flow,
.vis_array_feature_visual.vis_array_anim_active .vis_array_casc_arrow,
.vis_array_feature_visual.vis_array_anim_active .vis_array_casc_port_in,
.vis_array_feature_visual.vis_array_anim_active .vis_array_casc_port_out,
.vis_array_feature_visual.vis_array_anim_active .vis_array_casc_drop,
.vis_array_feature_visual.vis_array_anim_active .vis_array_casc_switch,
.vis_array_feature_visual.vis_array_anim_active .vis_array_person_speaking,
.vis_array_feature_visual.vis_array_anim_active .vis_array_person_body,
.vis_array_feature_visual.vis_array_anim_active .vis_array_camera_unit,
.vis_array_feature_visual.vis_array_anim_active .vis_array_camera_lens,
.vis_array_feature_visual.vis_array_anim_active .vis_array_cam_view_cone,
.vis_array_feature_visual.vis_array_anim_active .vis_array_track_frame,
.vis_array_feature_visual.vis_array_anim_active .vis_array_latency_stage,
.vis_array_feature_visual.vis_array_anim_active .vis_array_wave_in,
.vis_array_feature_visual.vis_array_anim_active .vis_array_sample_dot,
.vis_array_feature_visual.vis_array_anim_active .vis_array_latency_arrow,
.vis_array_feature_visual.vis_array_anim_active .vis_array_dsp_pulse,
.vis_array_feature_visual.vis_array_anim_active .vis_array_data_packet,
.vis_array_feature_visual.vis_array_anim_active .vis_array_wave_out,
.vis_array_feature_visual.vis_array_anim_active .vis_array_timeline_fill,
.vis_array_feature_visual.vis_array_anim_active .vis_array_latency_value,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_capture,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_forward,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_flow_dot,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_dsp,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_dsp_pulse,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_speaker_wave,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_feedback_path,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_cancel_path,
.vis_array_feature_visual.vis_array_anim_active .vis_array_afc_cancel {
  opacity: 1;
}


/* ══════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════ */

/* ── Tablet & below (≤991px) ── */
@media (max-width: 991px) {
  .vis_array_hero { min-height: 80vh; }
  .vis_array_hero_sub { max-width: 100%; }

  .vis_array_section_pad { padding: clamp(2.5rem, 5vw, 4rem) 0; }

  .vis_array_overview_intro { margin-bottom: 2.5rem; }
  .vis_array_stat_card { padding: 2rem 1.25rem; }

  .vis_array_features_header { margin-bottom: 2.5rem; }
  .vis_array_feature_row { padding: 2.5rem 0; }
  .vis_array_feature_text { margin-bottom: 1.5rem; }
  .vis_array_feature_text .vis_array_t_body { max-width: 100%; }
  .vis_array_feature_visual svg { width: min(100%, 420px); }

  .vis_array_specs_header { margin-bottom: 2.5rem; }
  .vis_array_specs_grid { grid-template-columns: 1fr; }

  .vis_array_system_diagram { padding: 1.5rem; }
  .vis_array_system_diagram svg { width: 100%; height: auto; }

  .vis_array_cases_header { margin-bottom: 2.5rem; }
  .vis_array_case_visual svg { width: 100%; }
}

/* ── Mobile (≤767px) ── */
@media (max-width: 767px) {
  .vis_array_t_display { font-size: calc(clamp(1.75rem, 7vw, 2.5rem) * var(--font-scale)); }
  .vis_array_t_h1 { font-size: calc(clamp(1.25rem, 5vw, 1.75rem) * var(--font-scale)); }
  .vis_array_t_h2 { font-size: calc(clamp(1.0625rem, 4vw, 1.375rem) * var(--font-scale)); }

  .vis_array_hero { min-height: 100svh; padding: 3rem 0 4rem; }
  .vis_array_hero_eyebrow { margin-bottom: 1.25rem; font-size: 0.75rem; }
  .vis_array_hero_sub { font-size: 0.9375rem; margin-bottom: 1.5rem; }
  .vis_array_scroll_hint { bottom: 1.5rem; }
  .vis_array_hero_overlay {
    background:
      rgba(15,15,20,0.65),
      radial-gradient(ellipse 70% 50% at 50% 40%, rgba(51,140,86,0.06) 0%, transparent 70%);
  }

  .vis_array_section_pad { padding: clamp(2rem, 5vw, 3rem) 0; }

  .vis_array_overview_intro { margin-bottom: 2rem; }
  .vis_array_stat_card { padding: 1.75rem 1rem; }
  .vis_array_stat_icon { font-size: 2rem; margin-bottom: 1rem; }
  .vis_array_stat_number { font-size: clamp(1.75rem, 6vw, 2.25rem); }

  .vis_array_features_header { margin-bottom: 2rem; }
  .vis_array_feature_row { padding: 2rem 0; }
  .vis_array_feature_row .vis_array_feature_text { order: 2; }
  .vis_array_feature_row .col-md-6:last-child { order: 1; }
  .vis_array_feature_visual { aspect-ratio: 16/10; margin-bottom: 1rem; }

  .vis_array_specs_grid { grid-template-columns: 1fr; }
  .vis_array_spec_group { padding: 1.5rem; }

  .vis_array_video_player { border-radius: 8px; }
  .vis_array_play_btn { width: 56px; height: 56px; }
  .vis_array_play_btn i.iconfont { font-size: 1.25rem; }

  .vis_array_case_card { margin-bottom: 1rem; }
  .vis_array_case_body { padding: 1rem; }
  .vis_array_case_visual { aspect-ratio: 4/3; }

  .vis_array_system_diagram { padding: 1rem; }
  .vis_array_system_diagram svg { width: 100%; height: auto; }
}

/* ── Small mobile (≤480px) ── */
@media (max-width: 480px) {
  .container {
            padding-left: 1rem;
            padding-right: 1rem;
            margin-bottom: 80px;
        
        }
  .vis_array_t_display {
            font-size: calc(clamp(1.7rem, 8vw, 1.7rem) * var(--font-scale));
        
        }
  .vis_array_hero { min-height: 90svh; padding: 2rem 0 3rem; }
  .vis_array_hero_eyebrow { padding: 0.25rem 0.75rem; font-size: 0.6875rem; }
  .vis_array_hero_sub { font-size: 0.875rem; }
  .vis_array_btn_vsonic, .vis_array_btn_vsonic_outline { padding: 0.625rem 1.5rem; font-size: 0.8125rem; }
  .vis_array_scroll_hint { display: none; }

  .vis_array_stat_card { padding: 1.25rem 0.75rem; }
  .vis_array_stat_number { font-size: 1.75rem; }
  .vis_array_stat_unit { font-size: 0.875rem; }
  .vis_array_stat_label { font-size: 0.8125rem; }

  .vis_array_feature_visual { aspect-ratio: 4/3; }
  .vis_array_feature_tag { font-size: 0.75rem; }
  .vis_array_feature_text .vis_array_t_h2 { font-size: 1.125rem; }

  .vis_array_spec_group { padding: 1.25rem; }
  .vis_array_spec_key, .vis_array_spec_val { font-size: 0.8125rem; }

  .vis_array_case_visual { aspect-ratio: 16/10; }
  .vis_array_system_diagram { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

/* ── Large desktop (≥1400px) ── */
@media (min-width: 1400px) {
  .container {
            max-width: 1320px;
        
        }
  .vis_array_feature_visual svg { width: min(100%, 560px); }
}

/* ── foreignObject icon rendering ── */
foreignObject i.iconfont {
  font-style: normal;
  line-height: 1;
}

/* ══════════════════════════════════════════════
   5 秒循环动画定义
   ══════════════════════════════════════════════ */

/* ── AI 降噪模块 ── */
/* 输入信号：0-1.5s 可见，1.5s 后淡出 */
.vis_array_input_signal {
  animation: input-fade 5s ease-in-out infinite;
}
@keyframes input-fade {
  0%, 30% { opacity: 1; }
  35%, 100% { opacity: 0.3; }
}

/* 噪声叠加层：0-1.5s 抖动，1.5s 后消失 */
.vis_array_noise_overlay {
  animation: noise-jitter 5s ease-in-out infinite;
}
@keyframes noise-jitter {
  0%, 30% { opacity: 0.9; transform: translateX(0); }
  10%, 20% { transform: translateX(1px); }
  15%, 25% { transform: translateX(-1px); }
  35%, 100% { opacity: 0; }
}

/* 语音基础波形：全程可见，轻微呼吸 */
.vis_array_voice_wave_base {
  animation: voice-breathe 5s ease-in-out infinite;
}
@keyframes voice-breathe {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

/* AI 盾牌：1.5-2.5s 脉冲 */
.vis_array_ai_shield {
  animation: ai-pulse 5s ease-in-out infinite;
  transform-origin: 160px 96px;
}
@keyframes ai-pulse {
  0%, 30% { opacity: 0.6; }
  35%, 50% { opacity: 1; transform: scale(1.05); }
  55%, 100% { opacity: 0.7; transform: scale(1); }
}

/* 纯净输出：2.5-4s 可见 */
.vis_array_clean_output {
  animation: clean-appear 5s ease-in-out infinite;
}
@keyframes clean-appear {
  0%, 50% { opacity: 0.3; }
  55%, 80% { opacity: 1; }
  85%, 100% { opacity: 0.5; }
}

.vis_array_clean_wave {
  animation: clean-wave-flow 5s ease-in-out infinite;
}
@keyframes clean-wave-flow {
  0%, 50% { opacity: 0.3; stroke-dashoffset: 0; }
  55%, 80% { opacity: 1; stroke-dashoffset: -20; }
  85%, 100% { opacity: 0.5; }
}

/* 抑制徽章：4-5s 脉冲 */
.vis_array_suppress_badge {
  animation: badge-pulse 5s ease-in-out infinite;
  transform-origin: 160px 173px;
}
@keyframes badge-pulse {
  0%, 75% { opacity: 0.4; }
  85%, 95% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* ── 波束成型模块 ── */
/* 声纳波纹：0-1s 扩散 */
.vis_array_sonar_ring {
  animation: sonar-expand 5s ease-out infinite;
}
.vis_array_sonar_ring.ring-1 { animation-delay: 0s; }
.vis_array_sonar_ring.ring-2 { animation-delay: 0.15s; }
.vis_array_sonar_ring.ring-3 { animation-delay: 0.3s; }
@keyframes sonar-expand {
  0%, 20% { opacity: 0; r: 20; }
  10% { opacity: 0.6; }
  20%, 100% { opacity: 0; r: 100; }
}

/* 虚拟拾音点：始终可见，依次高亮 */
.vis_array_beam_dot {
  animation: dot-scan 5s linear infinite;
}
.vis_array_beam_dot.dot-1  { animation-delay: 0s; }
.vis_array_beam_dot.dot-2  { animation-delay: 0.3s; }
.vis_array_beam_dot.dot-3  { animation-delay: 0.6s; }
.vis_array_beam_dot.dot-4  { animation-delay: 0.9s; }
.vis_array_beam_dot.dot-5  { animation-delay: 1.2s; }
.vis_array_beam_dot.dot-6  { animation-delay: 1.5s; }
.vis_array_beam_dot.dot-7  { animation-delay: 1.8s; }
.vis_array_beam_dot.dot-8  { animation-delay: 2.1s; }
.vis_array_beam_dot.dot-9  { animation-delay: 2.4s; }
.vis_array_beam_dot.dot-10 { animation-delay: 2.7s; }
.vis_array_beam_dot.dot-11 { animation-delay: 3.0s; }
.vis_array_beam_dot.dot-12 { animation-delay: 3.3s; }
@keyframes dot-scan {
  0%, 80% { opacity: 0.35; }
  85%, 95% { opacity: 1; }
  100% { opacity: 0.35; }
}

/* DOA 指向线：与对应点同步高亮 */
.vis_array_beam_line {
  animation: line-scan 5s linear infinite;
}
.vis_array_beam_line.line-1  { animation-delay: 0s; }
.vis_array_beam_line.line-2  { animation-delay: 0.3s; }
.vis_array_beam_line.line-3  { animation-delay: 0.6s; }
.vis_array_beam_line.line-4  { animation-delay: 0.9s; }
.vis_array_beam_line.line-5  { animation-delay: 1.2s; }
.vis_array_beam_line.line-6  { animation-delay: 1.5s; }
.vis_array_beam_line.line-7  { animation-delay: 1.8s; }
.vis_array_beam_line.line-8  { animation-delay: 2.1s; }
.vis_array_beam_line.line-9  { animation-delay: 2.4s; }
.vis_array_beam_line.line-10 { animation-delay: 2.7s; }
.vis_array_beam_line.line-11 { animation-delay: 3.0s; }
.vis_array_beam_line.line-12 { animation-delay: 3.3s; }
@keyframes line-scan {
  0%, 80% { opacity: 0; }
  85%, 95% { opacity: 0.8; }
  100% { opacity: 0; }
}

/* ── 级联模块 ── */
/* 单元高亮：依次高亮 */
.vis_array_casc_unit {
  animation: unit-highlight 5s ease-in-out infinite;
}
.vis_array_casc_unit.unit-1 { animation-delay: 0.3s; }
.vis_array_casc_unit.unit-2 { animation-delay: 1.8s; }
.vis_array_casc_unit.unit-3 { animation-delay: 3.3s; }
@keyframes unit-highlight {
  0%, 10% { opacity: 0.35; }
  15%, 90% { opacity: 1; }
  100% { opacity: 1; }
}

/* 信号流动点 */
.vis_array_casc_flow {
  animation: flow-move 5s linear infinite;
}
.vis_array_casc_flow.flow-1 { animation-delay: 1.0s; }
.vis_array_casc_flow.flow-2 { animation-delay: 2.5s; }
@keyframes flow-move {
  0%, 20% { opacity: 0; }
  22%, 30% { opacity: 1; }
  32%, 100% { opacity: 0; }
}

/* Dante 网络条：4-5s 脉冲 */
.vis_array_dante_network {
  animation: network-pulse 5s ease-in-out infinite;
}
@keyframes network-pulse {
  0%, 80% { opacity: 0.5; }
  85%, 95% { opacity: 1; }
  100% { opacity: 0.5; }
}

.vis_array_network_dot {
  animation: dot-blink 5s ease-in-out infinite;
}
.vis_array_network_dot:nth-of-type(1) { animation-delay: 4.0s; }
.vis_array_network_dot:nth-of-type(2) { animation-delay: 4.2s; }
.vis_array_network_dot:nth-of-type(3) { animation-delay: 4.4s; }
@keyframes dot-blink {
  0%, 80% { opacity: 0.3; }
  85%, 95% { opacity: 1; }
  100% { opacity: 0.3; }
}

/* ── DOA 联动模块 ── */
/* 光束扫描：依次高亮 */
.vis_array_doa_beam {
  animation: beam-scan 5s ease-in-out infinite;
}
.vis_array_doa_beam.b1 { animation-delay: 0s; }
.vis_array_doa_beam.b2 { animation-delay: 1.67s; }
.vis_array_doa_beam.b3 { animation-delay: 3.33s; }
@keyframes beam-scan {
  0%, 15% { opacity: 0.15; fill: rgba(51,140,86,0.05); }
  20%, 40% { opacity: 0.8; fill: rgba(51,140,86,0.25); stroke: rgba(51,140,86,0.6); }
  50%, 100% { opacity: 0.15; fill: rgba(51,140,86,0.05); }
}

/* 发言人轮流激活：与 DOA 波束同步 */
.vis_array_person_speaking,
.vis_array_person_body {
  animation: speaker-cycle 5s ease-in-out infinite;
}
.spk-1 .vis_array_person_speaking,
.spk-1 .vis_array_person_body { animation-delay: 0s; }
.spk-2 .vis_array_person_speaking,
.spk-2 .vis_array_person_body { animation-delay: 1.67s; }
.spk-3 .vis_array_person_speaking,
.spk-3 .vis_array_person_body { animation-delay: 3.33s; }
@keyframes speaker-cycle {
  0%, 15% { fill: rgba(255,255,255,0.15); stroke: rgba(255,255,255,0.2); opacity: 0.5; }
  20%, 40% { fill: rgba(51,140,86,0.3); stroke: rgba(51,140,86,0.7); opacity: 1; }
  50%, 100% { fill: rgba(255,255,255,0.15); stroke: rgba(255,255,255,0.2); opacity: 0.5; }
}

/* 声波涟漪：每个发言者独立控制 */
.vis_array_speak_wave { opacity: 0; }
.spk-1 .vis_array_speak_wave { animation: wave-ripple 5s ease-out infinite; animation-delay: 0s; }
.spk-2 .vis_array_speak_wave { animation: wave-ripple 5s ease-out infinite; animation-delay: 1.67s; }
.spk-3 .vis_array_speak_wave { animation: wave-ripple 5s ease-out infinite; animation-delay: 3.33s; }
@keyframes wave-ripple {
  0%, 18% { opacity: 0; }
  22%, 38% { opacity: 0.7; }
  45%, 100% { opacity: 0; }
}

/* 摄像头画面预览编号切换 (与 DOA 区域同步) */
.vis_array_preview_number {
  animation: number-switch 5s ease-in-out infinite;
}
.vis_array_preview_number.num-1 { animation-delay: 0s; }
.vis_array_preview_number.num-2 { animation-delay: 1.67s; }
.vis_array_preview_number.num-3 { animation-delay: 3.33s; }
@keyframes number-switch {
  0%, 15% { opacity: 0; }
  20%, 40% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* 追踪框：4-5s 出现 */
.vis_array_track_frame {
  animation: track-appear 5s ease-in-out infinite;
}
@keyframes track-appear {
  0%, 80% { opacity: 0; }
  85%, 95% { opacity: 1; }
  100% { opacity: 0; }
}

/* 摄像头视锥 */
.vis_array_cam_view_cone {
  animation: cone-breathe 5s ease-in-out infinite;
}
@keyframes cone-breathe {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.5; }
}

/* ── 超低延迟模块 ── */
/* 阶段高亮 */
.vis_array_latency_stage {
  animation: stage-highlight 5s ease-in-out infinite;
}
.vis_array_latency_stage.stage-1 { animation-delay: 0s; }
.vis_array_latency_stage.stage-2 { animation-delay: 1.0s; }
.vis_array_latency_stage.stage-3 { animation-delay: 1.5s; }
.vis_array_latency_stage.stage-4 { animation-delay: 2.5s; }
@keyframes stage-highlight {
  0%, 20% { opacity: 0.5; }
  22%, 40% { opacity: 1; }
  42%, 100% { opacity: 0.6; }
}

/* 采样点逐个出现 */
.vis_array_sample_dot {
  animation: sample-appear 5s ease-in-out infinite;
}
.vis_array_sample_dot:nth-of-type(1) { animation-delay: 1.0s; }
.vis_array_sample_dot:nth-of-type(2) { animation-delay: 1.1s; }
.vis_array_sample_dot:nth-of-type(3) { animation-delay: 1.2s; }
.vis_array_sample_dot:nth-of-type(4) { animation-delay: 1.3s; }
.vis_array_sample_dot:nth-of-type(5) { animation-delay: 1.4s; }
.vis_array_sample_dot:nth-of-type(6) { animation-delay: 1.5s; }
@keyframes sample-appear {
  0%, 5% { opacity: 0; r: 0; }
  10%, 35% { opacity: 1; r: 2; }
  50%, 100% { opacity: 0.35; r: 1.5; }
}

/* Dante 数据包 */
.vis_array_dante_packet {
  animation: packet-flow 5s ease-in-out infinite;
}
@keyframes packet-flow {
  0%, 50% { opacity: 0.3; }
  55%, 70% { opacity: 1; }
  75%, 100% { opacity: 0.5; }
}

/* 延迟填充条：3-4s 填充 */
.vis_array_latency_fill {
  animation: fill-progress 5s ease-in-out infinite;
  transform-origin: 40px 128px;
}
@keyframes fill-progress {
  0%, 60% { transform: scaleX(0); opacity: 0.3; }
  65%, 80% { transform: scaleX(1); opacity: 0.8; }
  85%, 100% { transform: scaleX(1); opacity: 0.5; }
}

/* 延迟徽章：4-5s 脉冲 */
.vis_array_latency_badge {
  animation: badge-pulse-latency 5s ease-in-out infinite;
  transform-origin: 160px 173px;
}
@keyframes badge-pulse-latency {
  0%, 75% { opacity: 0.4; }
  85%, 95% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* ── AFC 反馈消除模块 ── */
/* 信号流动点 */
.vis_array_afc_flow_dot {
  animation: afc-flow 5s linear infinite;
}
.vis_array_afc_flow_dot.dot-1 { animation-delay: 0s; }
.vis_array_afc_flow_dot.dot-2 { animation-delay: 1.0s; }
@keyframes afc-flow {
  0%, 20% { opacity: 0; }
  22%, 30% { opacity: 1; }
  32%, 100% { opacity: 0; }
}

/* DSP 脉冲 */
.vis_array_afc_dsp {
  animation: vis_array_dsp_pulse 5s ease-in-out infinite;
}
@keyframes vis_array_dsp_pulse {
  0%, 30% { opacity: 0.7; }
  35%, 50% { opacity: 1; }
  55%, 100% { opacity: 0.8; }
}

/* 反馈回路：1.5-2.5s 出现 */
.vis_array_afc_feedback_path {
  animation: feedback-appear 5s ease-in-out infinite;
}
@keyframes feedback-appear {
  0%, 25% { opacity: 0.35; }
  35%, 50% { opacity: 0.8; stroke-dashoffset: -20; }
  55%, 100% { opacity: 0.35; }
}

/* 消除指示：3-4s 出现 */
.vis_array_afc_cancel {
  animation: cancel-appear 5s ease-in-out infinite;
  transform-origin: 160px 118px;
}
@keyframes cancel-appear {
  0%, 55% { opacity: 0; }
  60%, 80% { opacity: 1; }
  85%, 100% { opacity: 0.5; }
}

/* 扬声器声波 */
.vis_array_afc_speaker_wave {
  animation: speaker-wave 5s ease-out infinite;
}
.vis_array_afc_speaker_wave:nth-of-type(1) { animation-delay: 1.5s; }
.vis_array_afc_speaker_wave:nth-of-type(2) { animation-delay: 1.8s; }
@keyframes speaker-wave {
  0%, 30% { opacity: 0; }
  35%, 50% { opacity: 0.6; }
  55%, 100% { opacity: 0; }
}