@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700&family=Teko:wght@500;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');
/* StyleSystem=bootstrap_classic (Bootstrap Classic) × Skin=gradient_sport — UI-kit tokens + personality */
:root {
  --style-system-id: bootstrap_classic;
  --skin-id: gradient_sport;
  --density: comfortable;

  --font-sans: 'Barlow', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'Teko', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --primary-color: #DC2626;
  --secondary-color: #EA580C;
  --accent-color: #FACC15;
  --color-primary: #DC2626;
  --color-secondary: #EA580C;
  --color-accent: #FACC15;
  --primary-soft: color-mix(in srgb, #DC2626 12%, transparent);
  --primary-muted: color-mix(in srgb, #DC2626 18%, #FFF7ED);
  --primary-hover: color-mix(in srgb, #DC2626 86%, #000);
  --primary-active: color-mix(in srgb, #DC2626 72%, #000);
  --primary-border: color-mix(in srgb, #DC2626 28%, transparent);
  --link-color: #DC2626;

  --text-color: #1C1917;
  --text-muted: #78716C;
  --body-bg: #FFF7ED;
  --section-bg: #FFFFFF;
  --section-bg-alt: #FFEDD5;
  --section-title-color: #1C1917;
  --section-subtitle-color: #78716C;
  --muted-bg: #FFF7ED;

  --header-bg: #7F1D1D;
  --header-bg-glass: color-mix(in srgb, #7F1D1D 78%, transparent);
  --header-text-color: #FEF2F2;
  --footer-bg: #1C1917;
  --footer-text-color: #D6D3D1;

  --card-bg: #FFFFFF;
  --input-bg: #FFFFFF;
  --border-color: #FDBA74;
  --border-subtle: color-mix(in srgb, #FDBA74 70%, transparent);
  --border-strong: color-mix(in srgb, #FDBA74 70%, #1C1917);
  --border-width: 1px;
  --border-style: solid;
  --surface-alpha: 1;
  --overlay-alpha: 0.85;
  --glass-blur: 0px;
  --surface-glow: radial-gradient(80% 60% at 50% -10%, #DC262622, transparent 60%);
  --card-style: solid;

  --danger: #EA580C;
  --success: #16A34A;
  --warning: #D97706;
  --info: #EA580C;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --btn-radius: 9999px;
  --card-radius: 16px;
  --input-radius: 12px;

  --shadow-sm: 0 1px 2px rgba(15,23,42,0.05), 0 1px 3px rgba(15,23,42,0.04);
  --shadow-md: 0 10px 30px rgba(15,23,42,0.08), 0 2px 8px rgba(15,23,42,0.04);
  --shadow-lg: 0 28px 64px rgba(15,23,42,0.14), 0 8px 20px rgba(15,23,42,0.06);
  --card-shadow: 0 10px 30px rgba(15,23,42,0.08), 0 2px 8px rgba(15,23,42,0.04);
  --shadow-hover: 0 28px 64px rgba(15,23,42,0.14), 0 8px 20px rgba(15,23,42,0.06);

  --container-width: 1200px;
  --container-padding: 24px;
  --section-y: 96px;
  --section-padding: var(--section-y) 0;
  --section-gap: 20px;
  --btn-py: 12px;
  --btn-px: 28px;
  --btn-hover-lift: -7px;
  --btn-font-weight: 600;

  --hero-bg: radial-gradient(120% 120% at 10% 0%, #FACC1533 0%, transparent 45%), linear-gradient(145deg, #DC2626 0%, #EA580C 55%, #FACC15 120%);
  --cta-bg: linear-gradient(120deg, #DC2626 0%, #EA580C 55%, #FACC15 130%);
  --btn-primary-bg: #DC2626;
  --btn-primary-color: #FFFFFF;
  --btn-secondary-border: color-mix(in srgb, #1C1917 22%, transparent);

  --transition-fast: 150ms ease-in-out;
  --transition-base: 150ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
  --motion-recipe: lift;
  --motion-easing: cubic-bezier(0.22, 1, 0.36, 1);
  --hover-y: -7px;
  --hover-scale: 1.02;
  --hover-glow: 0 0 0 transparent;
  --card-hover-shadow: var(--shadow-lg);
  --press-y: 0px;

  --icon-skin-id: 3d_soft;
  --icon-base-path: /theme/assets/icons/3d_soft/;
  --icon-size: 64px;
  --icon-radius: 20px;
  --icon-format: svg;
  --icon-stroke: 1.75;
  --icon-color: #DC2626;
  --icon-well-bg: color-mix(in srgb, #DC2626 12%, transparent);
  --stats-band-bg: #DC2626;
  --stats-band-fg: #FFFFFF;
  --stats-num-color: inherit;
  --stats-label-color: inherit;

  --focus-ring: 0 0 0 3px color-mix(in srgb, #DC2626 32%, transparent);
  --focus-ring-danger: 0 0 0 3px color-mix(in srgb, #EA580C 32%, transparent);
  --letter-display: 0;
  --letter-ui: 0;
  --heading-weight: 500;
  --base-font-size: 16px;
  --base-line-height: 1.5;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 16px;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: clamp(1.75rem, 3vw, 2.25rem);
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
}

*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--base-font-size);
  line-height: var(--base-line-height);
  letter-spacing: var(--letter-ui);
  color: var(--text-color);
  background: var(--surface-glow), var(--body-bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
hr {
  border: 0;
  border-top: var(--border-width) var(--border-style) var(--border-subtle);
  margin: 1.5rem 0;
}
a {
  color: var(--link-color);
  text-underline-offset: 3px;
  transition: color var(--transition-fast), opacity var(--transition-fast), text-decoration-color var(--transition-fast);
}
a:hover { color: var(--primary-hover); opacity: 1; }
::selection {
  background: color-mix(in srgb, var(--primary-color) 28%, transparent);
  color: var(--text-color);
}

/* Type ramp — Bootstrap / shadcn 风格阶梯 */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  letter-spacing: var(--letter-display);
  line-height: var(--leading-tight);
  font-weight: var(--heading-weight);
  color: var(--section-title-color);
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.25rem, 4.2vw, 3.15rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); font-weight: 650; }
p { margin: 0 0 1em; }
.lead, .section-subtitle {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--text-muted);
}
small, .text-sm { font-size: var(--text-sm); }
.text-muted, .text-secondary { color: var(--text-muted); }
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Buttons — 对齐 Bootstrap/shadcn 状态机 */
.btn, button.btn, a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: var(--btn-py) var(--btn-px);
  border-radius: var(--btn-radius);
  font-family: var(--font-sans);
  font-weight: var(--btn-font-weight);
  font-size: var(--text-sm);
  line-height: 1.25;
  letter-spacing: var(--letter-ui);
  text-decoration: none;
  border: var(--border-width) var(--border-style) transparent;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-base),
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    filter var(--transition-fast),
    opacity var(--transition-fast);
}
.btn:hover, a.btn:hover { transform: translateY(var(--btn-hover-lift)); }
.btn:active, a.btn:active { transform: translateY(var(--press-y)); }
.btn:focus-visible, a.btn:focus-visible, a:focus-visible, button:focus-visible,
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.btn:disabled, .btn[disabled], a.btn[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
  transform: none !important;
  box-shadow: none !important;
  filter: none !important;
}
.btn-primary, a.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-color);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover, a.btn-primary:hover {
  background: var(--primary-hover);
  color: var(--btn-primary-color);
  box-shadow: var(--shadow-md), var(--hover-glow);
}
.btn-primary:active, a.btn-primary:active {
  background: var(--primary-active);
}
.btn-secondary, a.btn-secondary {
  background: var(--card-bg);
  color: var(--text-color);
  border-color: var(--border-color);
  box-shadow: none;
}
.btn-secondary:hover, a.btn-secondary:hover {
  background: var(--muted-bg);
  border-color: var(--border-strong);
  color: var(--text-color);
}
.btn-outline, a.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: none;
}
.btn-outline:hover, a.btn-outline:hover {
  background: var(--primary-soft);
  color: var(--primary-hover);
  border-color: var(--primary-hover);
}
.btn-ghost, a.btn-ghost {
  background: transparent;
  color: var(--primary-color);
  border-color: transparent;
  box-shadow: none;
}
.btn-ghost:hover, a.btn-ghost:hover {
  background: var(--primary-soft);
  color: var(--primary-hover);
}
.btn-sm, a.btn-sm {
  min-height: 2.25rem;
  padding: 0.4rem 0.85rem;
  font-size: var(--text-xs);
}
.btn-lg, a.btn-lg {
  min-height: 3.15rem;
  padding: 0.85rem 1.5rem;
  font-size: var(--text-base);
}

/* Form controls — Bootstrap form-control / shadcn Input */
input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="submit"]):not([type="button"]),
textarea,
select {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0.65rem 0.85rem;
  font: inherit;
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--text-color);
  background: var(--input-bg);
  border: var(--border-width) var(--border-style) var(--border-color);
  border-radius: var(--input-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 0.85; }
input:hover, textarea:hover, select:hover { border-color: var(--border-strong); }
input:focus, textarea:focus, select:focus {
  border-color: var(--primary-color);
  box-shadow: var(--focus-ring);
  outline: none;
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary-color);
  margin-bottom: 12px;
}

/* Cards — surface + motion tokens */
[class*="card"], .card, .feature-card, .news-card, .team-card, .security-card, .process-card, .price-card, .service-card {
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  border: var(--border-width) var(--border-style) var(--border-color);
  background: color-mix(in srgb, var(--card-bg) calc(var(--surface-alpha) * 100%), transparent);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
}
[class*="card"]:hover, .card:hover, .feature-card:hover, .news-card:hover, .team-card:hover, .security-card:hover, .price-card:hover, .service-card:hover {
  transform: translateY(var(--hover-y)) scale(var(--hover-scale));
  box-shadow: var(--card-hover-shadow), var(--hover-glow);
  border-color: color-mix(in srgb, var(--primary-color) 22%, var(--border-color));
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--icon-size) + 20px);
  height: calc(var(--icon-size) + 20px);
  padding: 10px;
  margin: 0 0 14px;
  border-radius: var(--icon-radius);
  background: var(--icon-well-bg);
  color: var(--icon-color, var(--primary-color));
  box-sizing: border-box;
}
.feature-icon-img, .feature-icon img, img[data-icon-key], .icon-skin {
  width: var(--icon-size);
  height: var(--icon-size);
  max-width: 100%;
  max-height: 100%;
  border-radius: calc(var(--icon-radius) - 4px);
  object-fit: contain;
  color: var(--icon-color, var(--primary-color));
}
.feature-icon svg, .icon-skin svg {
  width: 100%;
  height: 100%;
  stroke-width: var(--icon-stroke);
  color: var(--icon-color, var(--primary-color));
}

/* —— style base_css —— */
h1{font-size:2.5rem;font-weight:500}h2{font-size:2rem;font-weight:500}.btn{font-weight:500;font-size:1rem}.btn-primary{box-shadow:none}.btn-primary:hover{filter:brightness(0.92)}.form-control,input,textarea,select{border-radius:6px}