/* ========================================
   薪连薪 Design System — Colors
   ======================================== */
:root {
  --color-primary: #0A3DFF;
  --color-primary-hover: #0830D6;
  --color-primary-active: #0626B0;
  --color-primary-light: rgba(10, 61, 255, 0.10);
  --color-primary-light-hover: rgba(10, 61, 255, 0.15);
  --color-primary-subtle: rgba(10, 61, 255, 0.06);
  --color-brand-tech-blue: #1677FF;
  --color-brand-tech-blue-light: rgba(22, 119, 255, 0.10);
  --color-brand-future-cyan: #00D4FF;
  --color-brand-future-cyan-light: rgba(0, 212, 255, 0.10);
  --color-brand-accent-purple: #7B61FF;
  --color-brand-accent-purple-light: rgba(123, 97, 255, 0.10);
  --color-vi-blue-10: #E6F2FF;
  --color-vi-blue-20: #CFE6FF;
  --color-vi-cyan-10: #E0FBFF;
  --color-vi-gray-10: #F2F4F7;
  --color-vi-gray-20: #D9DEE7;
  --color-vi-gray-60: #1F2329;
  --color-vi-gray-90: #1F2329;
  --color-text-primary: #182033;
  --color-text-secondary: #58657A;
  --color-text-tertiary: #8792A5;
  --color-text-disabled: #A8B1C0;
  --color-text-inverse: #FFFFFF;
  --color-text-link: #0A3DFF;
  --color-text-link-hover: #1677FF;
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F2F4F7;
  --color-bg-tertiary: #E6F2FF;
  --color-bg-inverse: #1F2329;
  --color-bg-overlay: rgba(0, 0, 0, 0.5);
  --color-border-default: rgba(0, 0, 0, 0.06);
  --color-border-light: rgba(0, 0, 0, 0.04);
  --color-border-strong: rgba(0, 0, 0, 0.10);
  --color-border-hover: rgba(0, 0, 0, 0.14);
  --color-border-focus: #0A3DFF;
  --color-border-error: #D14343;
  --color-success: #00A86B;
  --color-success-light: rgba(0, 168, 107, 0.10);
  --color-warning: #FFB020;
  --color-warning-light: rgba(255, 176, 32, 0.10);
  --color-error: #D14343;
  --color-error-light: rgba(209, 67, 67, 0.10);
  --color-info: #1677FF;
  --color-info-light: rgba(22, 119, 255, 0.10);
  --color-gradient-deep-blue: #0A3DFF;
  --color-gradient-tech-blue: #1677FF;
  --color-gradient-future-cyan: #00D4FF;
  --color-gradient-accent-purple: #7B61FF;
  --hero-gradient-deep-blue: rgba(10, 61, 255, 0.28);
  --hero-gradient-tech-blue: rgba(22, 119, 255, 0.22);
  --hero-gradient-future-cyan: rgba(0, 212, 255, 0.18);
  --hero-gradient-accent-purple: rgba(123, 97, 255, 0.20);
  --shadow-color-xs: rgba(0, 0, 0, 0.04);
  --shadow-color-sm: rgba(0, 0, 0, 0.06);
  --shadow-color-md: rgba(0, 0, 0, 0.06);
  --shadow-color-lg: rgba(0, 0, 0, 0.08);
  --shadow-color-xl: rgba(0, 0, 0, 0.10);
  --btn-primary-bg: #2454FF;
  --btn-primary-text: #FFFFFF;
  --btn-primary-hover-bg: #173FE6;
  --btn-primary-active-bg: #1230C8;
  --btn-primary-focus-ring: rgba(36, 84, 255, 0.28);
  --btn-primary-shadow: 0 1px 2px rgba(24, 32, 51, 0.12), 0 2px 8px rgba(36, 84, 255, 0.18);
  --btn-primary-gradient: linear-gradient(135deg, #2F5CFF 0%, #2454FF 50%, #173FE6 100%);
  --btn-primary-gradient-hover: linear-gradient(135deg, #2454FF 0%, #173FE6 60%, #1230C8 100%);
  --btn-secondary-gradient-border: rgba(36, 84, 255, 0.18);
  --btn-secondary-bg: transparent;
  --btn-secondary-text: #1F2329;
  --btn-secondary-border: rgba(36, 84, 255, 0.18);
  --btn-secondary-hover-bg: #F2F4F7;
  --btn-secondary-hover-text: #1F2329;
  --btn-secondary-hover-border: rgba(36, 84, 255, 0.30);
  --btn-secondary-active-bg: #D9DEE7;
  --btn-secondary-focus-ring: rgba(36, 84, 255, 0.28);
  --btn-ghost-bg: transparent;
  --btn-ghost-text: #1F2329;
  --btn-ghost-hover-bg: #F2F4F7;
  --btn-ghost-hover-text: #1F2329;
  --btn-ghost-focus-ring: rgba(0, 0, 0, 0.12);
  --btn-white-bg: #FFFFFF;
  --btn-white-text: #0A3DFF;
  --btn-white-hover-bg: #F2F4F7;
  --btn-white-hover-text: #0830D6;
  --btn-outline-white-bg: transparent;
  --btn-outline-white-text: #FFFFFF;
  --btn-outline-white-border: rgba(255, 255, 255, 0.35);
  --btn-outline-white-hover-bg: rgba(255, 255, 255, 0.12);
  --btn-outline-white-hover-text: #FFFFFF;
  --btn-outline-white-hover-border: rgba(255, 255, 255, 0.55);
}

/* ========================================
   Typography
   ======================================== */
:root {
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Source Han Sans CN", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "system-ui", "PingFang SC", "Hiragino Sans GB", "Source Han Sans CN", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --font-sans: 'Inter', 'Source Han Sans CN', 'Noto Sans CJK SC', 'Microsoft YaHei', Arial, sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --text-hero-home: clamp(58px, 4.6vw, 92px);
  --text-hero-inner: clamp(44px, 3.2vw, 66px);
  --text-section-title: clamp(34px, 2.5vw, 52px);
  --text-card-title: clamp(21px, 1.5vw, 30px);
  --text-lead: clamp(18px, 1.15vw, 22px);
  --text-body: clamp(16px, 1vw, 19px);
  --text-small: clamp(14px, 0.88vw, 17px);
  --text-nav: clamp(16px, 0.95vw, 18px);
  --text-btn: clamp(15px, 0.88vw, 17px);
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --leading-display: 1.4;
  --leading-heading: 1.3;
  --leading-tight: 1.1;
  --leading-snug: 1.2;
  --leading-normal: 1.4;
  --leading-relaxed: 1.5;
  --leading-loose: 1.7;
  --leading-body: 1.65;
  --tracking-display: -0.01em;
  --tracking-heading: -0.01em;
  --tracking-tighter: -0.03em;
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.02em;
  --tracking-body: 0;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--leading-loose);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, .h1 { font-size: var(--text-hero-home); font-weight: 400; line-height: var(--leading-display); letter-spacing: var(--tracking-display); color: var(--color-text-primary); }
h2, .h2 { font-size: var(--text-section-title); font-weight: 400; line-height: var(--leading-heading); letter-spacing: var(--tracking-heading); color: var(--color-text-primary); }
h3, .h3 { font-size: var(--text-card-title); font-weight: 400; line-height: var(--leading-normal); letter-spacing: 0; color: var(--color-text-primary); }
p { margin: 0 0 1rem; color: var(--color-text-secondary); font-size: var(--text-body); line-height: var(--leading-loose); }
.lead { font-size: var(--text-lead); color: var(--color-text-secondary); line-height: 1.75; }
.text-xs { font-size: var(--text-xs); line-height: var(--leading-relaxed); }
.text-sm { font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.text-base { font-size: var(--text-base); line-height: var(--leading-loose); }
.text-lg { font-size: var(--text-lg); line-height: var(--leading-loose); }
.text-xl { font-size: var(--text-xl); line-height: var(--leading-relaxed); }
.text-2xl { font-size: var(--text-2xl); line-height: var(--leading-normal); }
.text-3xl { font-size: var(--text-3xl); line-height: var(--leading-normal); }
.text-4xl { font-size: var(--text-4xl); line-height: var(--leading-snug); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-secondary { color: var(--color-text-secondary); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }
a { color: var(--color-text-link); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--color-text-link-hover); }
::selection { background: rgba(10, 61, 255, 0.2); color: var(--color-text-primary); }

/* ========================================
   Spacing & Layout
   ======================================== */
:root {
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --container-wide: min(90vw, 1360px);
  --container-main: min(90vw, 1360px);
  --container-content: min(84vw, 1480px);
  --container-detail: min(100%, 1120px);
  --container-reading: min(100%, 860px);
  --container-padding-inline: clamp(12px, 1.25vw, 24px);
  --section-padding-y: clamp(48px, 5vw, 88px);
  --section-padding-y-sm: clamp(40px, 4vw, 72px);
  --section-padding-x: var(--container-padding-inline);
  /* ── Inner Hero Spacing Tokens ── */
  --header-height-desktop: 76px;
  --inner-hero-padding-top: clamp(124px, 9vw, 148px);
  --inner-hero-padding-bottom: clamp(56px, 5vw, 88px);
  --hero-to-section-gap: clamp(64px, 6vw, 96px);
  --section-title-gap: clamp(28px, 2.5vw, 44px);
  --grid-columns: 12;
  --grid-gap: clamp(24px, 2vw, 40px);
  --grid-gap-sm: clamp(20px, 1.5vw, 28px);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-xl: 0 12px 48px rgba(0,0,0,0.10);
  --z-base: 0;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-header: 50;
  --z-overlay: 80;
  --z-modal: 100;
  --z-toast: 110;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--color-bg-primary);overflow-x:hidden;font-size:var(--text-base);min-height:100vh}

.container {
  width: 100%;
  max-width: var(--container-main);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-inline);
  padding-right: var(--container-padding-inline);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.section-label--white {
  color: var(--color-brand-future-cyan);
  background: rgba(0, 212, 255, 0.12);
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border-default);
  margin: 32px 0;
}

.bg-secondary { background: var(--color-bg-secondary); }

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  font-family: var(--font-sans);
  font-size: var(--text-btn);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  text-decoration: none;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
}
.btn:focus-visible { outline: 2px solid var(--btn-primary-focus-ring); outline-offset: 2px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--btn-primary-gradient); color: var(--btn-primary-text); border-color: transparent; box-shadow: var(--btn-primary-shadow); }
.btn--primary:hover { background: var(--btn-primary-gradient-hover); border-color: transparent; color: #FFFFFF; box-shadow: var(--btn-primary-shadow); transform: translateY(-1px); }
.btn--primary:active { background: var(--btn-primary-active-bg); border-color: transparent; color: #FFFFFF; transform: scale(0.97); }
.btn--secondary { background: transparent; color: var(--color-text-primary); border-color: var(--btn-secondary-gradient-border, rgba(36, 84, 255, 0.18)); }
.btn--secondary:hover { background: var(--color-bg-secondary); border-color: var(--btn-secondary-hover-border); color: var(--color-text-primary); transform: translateY(-1px); }
.btn--secondary:active { background: var(--color-vi-gray-20); transform: scale(0.97); }
.btn--white { background: #FFFFFF; color: var(--brand-primary, #2454FF); border-color: #FFFFFF; }
.btn--white:hover { background: var(--color-bg-secondary); color: var(--brand-hover, #173FE6); border-color: var(--color-bg-secondary); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,0.08); }
.btn--outline-white { background: transparent; color: #FFFFFF; border-color: rgba(255,255,255,0.35); }
.btn--outline-white:hover { background: rgba(255,255,255,0.12); color: #FFFFFF; border-color: rgba(255,255,255,0.55); transform: translateY(-1px); }
.btn--sm { height: 36px; padding: 0 16px; font-size: clamp(14px, 0.8vw, 15px); }
.btn--lg { height: 52px; padding: 0 32px; font-size: var(--text-btn); }

/* ========================================
   SiteHeader + MegaMenu
   ======================================== */
.SiteHeader {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 76px;
  z-index: var(--z-header);
  background: transparent;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}
.SiteHeader--scrolled {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid var(--color-border-default);
}
.SiteHeader__inner {
  width: 100%;
  max-width: var(--container-main);
  margin: 0 auto;
  padding: 0 var(--container-padding-inline);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.SiteHeader__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  height: 36px;
}
.SiteHeader__logo img { height: 36px; width: auto; max-width: 160px; object-fit: contain; object-position: left center; display: block; }
.SiteHeader__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0; padding: 0;
  height: 100%;
}
.SiteHeader__navItem { position: relative; height: 100%; display: flex; align-items: center; }
.SiteHeader__navLink {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 12px;
  height: 100%;
  font-size: var(--text-nav);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
  cursor: pointer;
}
.SiteHeader__navLink:hover { color: var(--color-text-primary); }
.SiteHeader__navLink--active { color: var(--color-primary); }

.SiteHeader__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.MobileNavToggle {
  display: none;
  width: 40px; height: 40px;
  padding: 0;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.MobileNavToggle span { display: block; width: 18px; height: 2px; background: var(--color-text-primary); border-radius: 1px; transition: transform 0.3s ease, opacity 0.3s ease; }
.MobileNav {
  display: none;
  position: fixed;
  top: 76px;
  left: 0; right: 0; bottom: 0;
  background: var(--color-bg-primary);
  z-index: var(--z-overlay);
  overflow-y: auto;
  padding: 16px;
  flex-direction: column;
  gap: var(--space-1);
}
.MobileNav--open { display: flex; }
.MobileNav__section { border-bottom: 1px solid var(--color-border-default); padding: 12px 0; }
.MobileNav__sectionLabel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 16px;
  font-size: var(--text-body);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}
.MobileNav__sectionLabel svg { transition: transform 0.2s ease; }
.MobileNav__sectionLabel[aria-expanded="true"] svg { transform: rotate(180deg); }
.MobileNav__sectionLinks { display: none; flex-direction: column; padding: 0 16px; }
.MobileNav__sectionLinks--open { display: flex; }
.MobileNav__sectionLinks a { padding: 8px 0; font-size: var(--text-small); color: var(--color-text-secondary); text-decoration: none; }
.MobileNav__sectionLinks a:hover { color: var(--color-text-primary); }
.MobileNav__actions { padding: 16px; display: flex; flex-direction: column; gap: 12px; }

/* BrandHero */
.BrandHero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: var(--inner-hero-padding-top);
  padding-bottom: var(--inner-hero-padding-bottom);
  overflow: hidden;
  background: #FFFFFF;
}
.BrandHero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 160px;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 30%, rgba(255,255,255,0.75) 60%, rgba(255,255,255,0.95) 85%, #FFFFFF 100%);
}
.BrandHero__grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image:
    linear-gradient(rgba(10,61,255,0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,61,255,0.4) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: brandGridShift 30s linear infinite;
}
@keyframes brandGridShift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}
.BrandHero__transition { display: none; }
.BrandHero__layout {
  display: grid;
  /* 文字列 / 视觉列 */
  grid-template-columns: minmax(0, 0.56fr) minmax(0, 0.44fr);
  gap: clamp(24px, 2.5vw, 56px);
  align-items: center;
  position: relative;
  z-index: auto;
}
.BrandHero__text { max-width: min(100%, 860px); min-width: 0; position: relative; }
.BrandHero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero-inner);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-5);
}
.BrandHero__subtitle {
  font-size: var(--text-lead);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin: 0 0 var(--space-6);
  max-width: min(100%, 760px);
}
.BrandHero__actions { display: flex; align-items: center; gap: var(--space-4); position: relative; z-index: 4; }
.BrandHero__visual { display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; min-width: 0; }

/* ── First section after hero gets proper gap ── */
.BrandHero + section,
.BrandHero + .section,
.BrandHero + main > section:first-child { padding-top: var(--hero-to-section-gap); }
.section-first-after-hero { padding-top: var(--hero-to-section-gap) !important; }

/* Capability Matrix Visual */
.capability-matrix {
  position: relative;
  width: 100%;
  /* 视觉列 */
  max-width: min(100%, 660px);
  height: 340px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius-xl);
}
.capability-matrix__bg {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(10,61,255,0.04) 0%, rgba(0,212,255,0.04) 50%, rgba(123,97,255,0.04) 100%);
  border: 1px solid rgba(10,61,255,0.08);
}
.capability-matrix__node {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(10,61,255,0.12);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  z-index: 2;
  text-align: center;
}
.capability-matrix__node:hover { transform: scale(1.08); box-shadow: var(--shadow-md); }
.capability-matrix__node-icon {
  width: 28px; height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.capability-matrix__node--center {
  left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-brand-accent-purple));
  color: #FFFFFF;
  font-size: 13px;
  border: none;
  box-shadow: 0 8px 32px rgba(10,61,255,0.25);
  z-index: 3;
}
.capability-matrix__node--center:hover { transform: translate(-50%,-50%) scale(1.08); }
.capability-matrix__node--1 { top: 8px; left: 50%; transform: translateX(-50%); }
.capability-matrix__node--1:hover { transform: translateX(-50%) scale(1.08); }
.capability-matrix__node--2 { top: 50%; right: 8px; transform: translateY(-50%); }
.capability-matrix__node--2:hover { transform: translateY(-50%) scale(1.08); }
.capability-matrix__node--3 { bottom: 8px; right: 20%; }
.capability-matrix__node--4 { bottom: 8px; left: 20%; }
.capability-matrix__node--5 { top: 50%; left: 8px; transform: translateY(-50%); }
.capability-matrix__node--5:hover { transform: translateY(-50%) scale(1.08); }
.capability-matrix__lines {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
}
.capability-matrix__lines svg { width: 100%; height: 100%; }

/* ========================================
   Product Tabs Section
   ======================================== */
.products-section {
  padding: var(--space-12) 0 var(--space-16);
}
/* First section after Hero — tighter top spacing */
#products.products-section {
  padding-top: var(--space-8);
}
.products-section__header {
  text-align: center;
  margin-bottom: var(--space-8);
}
.products-section__title {
  font-size: var(--text-section-title);
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}
.products-section__desc {
  font-size: var(--text-lead);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border-default);
  padding-bottom: 0;
}
.tab-nav__btn {
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  margin-bottom: -1px;
  position: relative;
  outline: none;
}
.tab-nav__btn:hover { color: var(--color-text-primary); }
.tab-nav__btn[aria-selected="true"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.tab-nav__btn:focus-visible {
  outline: 2px solid var(--btn-primary-focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* 产品能力切换区 */
.product-capabilities { scroll-margin-top: 96px; }

/* Tab Panels Container */
.tab-panels {
  position: relative;
  min-height: 400px;
}
/* Tab Panels */
.tab-panel {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  top: 0; left: 0; right: 0;
  transform: translateY(6px);
  transition: opacity .2s ease-out, transform .2s ease-out, visibility 0s linear .2s;
  pointer-events: none;
}
.tab-panel[hidden] { display: none; }
.tab-panel--active {
  visibility: visible;
  opacity: 1;
  position: relative;
  transform: translateY(0);
  pointer-events: auto;
  transition: opacity .2s ease-out, transform .2s ease-out, visibility 0s;
}
@media (prefers-reduced-motion: reduce) {
  .tab-panel,
  .tab-panel--active { transition: none; transform: none; }
}

/* Product Panel Layout */
.product-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.product-panel__visual {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-default);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-panel__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.product-panel__title {
  /* 产品图模块标题：再收敛两号（16px / 600）企业级信息图总标题档 */
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
}
.product-panel__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
}
.product-panel__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.product-panel__feature {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-default);
  transition: border-color 0.2s ease;
}
.product-panel__feature:hover { border-color: var(--color-border-hover); }
.product-panel__feature-icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.product-panel__feature-title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.product-panel__feature-desc {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  line-height: var(--leading-relaxed);
}
.product-panel__usecases {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.product-panel__usecases-title {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}
.product-panel__usecases-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.product-panel__usecase-tag {
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.product-panel__cta {
  margin-top: var(--space-4);
}

/* Dashboard Mockup Visuals */
.dashboard-mockup {
  width: 100%;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.dashboard-mockup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-default);
}
.dashboard-mockup__title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.dashboard-mockup__badge {
  font-size: 14px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  background: var(--color-success-light);
  color: var(--color-success);
}
.dashboard-mockup__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.dashboard-mockup__stat {
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
  border: 1px solid var(--color-border-default);
}
.dashboard-mockup__stat-value {
  /* Dashboard 核心数字档：再收敛两号，最大 18px */
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.2;
}
.dashboard-mockup__stat-label {
  font-size: 12px;
  color: var(--color-text-tertiary);
  margin-top: 4px;
}
.dashboard-mockup__table {
  background: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-default);
  overflow: hidden;
}
.dashboard-mockup__table-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-light);
}
.dashboard-mockup__table-row:last-child { border-bottom: none; }
.dashboard-mockup__table-row:hover { background: var(--color-primary-subtle); }
.dashboard-mockup__status {
  font-size: 14px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
}
.dashboard-mockup__status--ok { background: var(--color-success-light); color: var(--color-success); }
.dashboard-mockup__status--warn { background: var(--color-warning-light); color: var(--color-warning); }
.dashboard-mockup__status--info { background: var(--color-info-light); color: var(--color-info); }

/* Dataflow Visual */
.dataflow-visual {
  width: 100%;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}
.dataflow-visual__nodes {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}
.dataflow-visual__node {
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  /* 节点主标签：再收敛两号 13px / 600 */
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  text-align: center;
}
.dataflow-visual__node--source { background: var(--color-primary-light); color: var(--color-primary); border: 1px solid var(--color-primary); }
.dataflow-visual__node--process { background: var(--color-info-light); color: var(--color-info); border: 1px solid var(--color-info); }
.dataflow-visual__node--target { background: var(--color-success-light); color: var(--color-success); border: 1px solid var(--color-success); }
.dataflow-visual__arrow { color: var(--color-text-tertiary); font-size: 13px; font-weight: var(--font-weight-semibold); }
.dataflow-visual__pipe {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  width: 100%;
  max-width: 360px;
}
.dataflow-visual__pipe-seg { flex: 1; height: 2px; background: var(--color-border-default); border-radius: 1px; position: relative; }
.dataflow-visual__pipe-seg--active { background: var(--color-primary); animation: pipeFlow 1.5s ease infinite; }
.dataflow-visual__pipe-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  position: absolute;
  top: -2px;
  animation: dotFlow 1.5s ease infinite;
}
@keyframes pipeFlow { 0%,100% { opacity: .3; } 50% { opacity: 1; } }
@keyframes dotFlow { 0% { left: 0; } 100% { left: calc(100% - 6px); } }
.dataflow-visual__stats {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
}
.dataflow-visual__stat { text-align: center; }
.dataflow-visual__stat-val { font-size: 13px; font-weight: var(--font-weight-semibold); color: var(--color-text-primary); line-height: 1.4; }
.dataflow-visual__stat-lbl { font-size: 12px; color: var(--color-text-tertiary); line-height: 1.4; }

/* Network Visual */
.network-visual { position: relative; width: 300px; height: 300px; margin: 0 auto; }
.network-visual__node {
  position: absolute;
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  text-align: center;
  z-index: 2;
  transition: transform 0.3s ease;
}
.network-visual__node:hover { transform: scale(1.1); }
.network-visual__node--center { left: 50%; top: 50%; transform: translate(-50%,-50%); width: 78px; height: 78px; background: var(--color-primary); color: white; font-size: 13px; z-index: 3; }
.network-visual__node--center:hover { transform: translate(-50%,-50%) scale(1.1); }
/* 五流一体：合同流/发票流/资金流/业务流/数据流 呈五边形环绕中心「证据链」 */
.network-visual__node--1 { top: 42px; left: 150px; transform: translate(-50%,-50%); background: var(--color-primary-light); color: var(--color-primary); border: 2px solid var(--color-primary); }
.network-visual__node--1:hover { transform: translate(-50%,-50%) scale(1.1); }
.network-visual__node--2 { top: 116.6px; left: 252.7px; transform: translate(-50%,-50%); background: var(--color-success-light); color: var(--color-success); border: 2px solid var(--color-success); }
.network-visual__node--2:hover { transform: translate(-50%,-50%) scale(1.1); }
.network-visual__node--3 { top: 237.4px; left: 213.5px; transform: translate(-50%,-50%); background: var(--color-info-light); color: var(--color-info); border: 2px solid var(--color-info); }
.network-visual__node--3:hover { transform: translate(-50%,-50%) scale(1.1); }
.network-visual__node--4 { top: 237.4px; left: 86.5px; transform: translate(-50%,-50%); background: var(--color-warning-light); color: var(--color-warning); border: 2px solid var(--color-warning); }
.network-visual__node--4:hover { transform: translate(-50%,-50%) scale(1.1); }
.network-visual__node--5 { top: 116.6px; left: 47.3px; transform: translate(-50%,-50%); background: var(--color-brand-accent-purple-light); color: var(--color-brand-accent-purple); border: 2px solid var(--color-brand-accent-purple); }
.network-visual__node--5:hover { transform: translate(-50%,-50%) scale(1.1); }
.network-visual__lines { position: absolute; z-index: 1; top: 50%; left: 50%; width: 100%; height: 100%; transform: translate(-50%,-50%); }
.network-visual__lines svg { width: 100%; height: 100%; }

/* Radar Visual */
.radar-visual { position: relative; width: 300px; height: 300px; margin: 0 auto; }
.radar-visual__ring { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); border-radius: 50%; border: 1px solid var(--color-border-default); }
.radar-visual__ring:nth-child(1) { width: 280px; height: 280px; }
.radar-visual__ring:nth-child(2) { width: 210px; height: 210px; }
.radar-visual__ring:nth-child(3) { width: 140px; height: 140px; }
.radar-visual__ring:nth-child(4) { width: 70px; height: 70px; }
.radar-visual__cross-h { position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: var(--color-border-default); }
.radar-visual__cross-v { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--color-border-default); }
.radar-visual__sweep {
  position: absolute; top: 50%; left: 50%;
  width: 140px; height: 2px;
  margin-top: -1px;
  background: linear-gradient(90deg, var(--color-primary) 0%, rgba(123,97,255,0.6) 30%, transparent 100%);
  transform-origin: left center;
  animation: radarSweep 3s linear infinite;
  border-radius: 1px;
  box-shadow: 0 0 12px rgba(10,61,255,0.35), 0 0 4px rgba(10,61,255,0.5);
}
@keyframes radarSweep { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.radar-visual__dot { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--color-error); animation: pulse 2s ease infinite; z-index: 2; }
.radar-visual__dot--1 { top: 28%; left: 32%; }
.radar-visual__dot--2 { top: 52%; left: 68%; }
.radar-visual__dot--3 { top: 18%; left: 56%; }
.radar-visual__dot--4 { top: 66%; left: 22%; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* Service Dashboard Visual */
.service-dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  padding: var(--space-6);
  width: 100%;
}
.service-dashboard__card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 1px solid var(--color-border-default);
  text-align: center;
  transition: box-shadow 0.2s ease;
}
.service-dashboard__card:hover { box-shadow: var(--shadow-sm); }
.service-dashboard__card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
}
.service-dashboard__card-icon--purple { background: var(--color-primary-light); color: var(--color-primary); }
.service-dashboard__card-icon--green { background: var(--color-success-light); color: var(--color-success); }
.service-dashboard__card-icon--blue { background: var(--color-info-light); color: var(--color-info); }
.service-dashboard__card-icon--orange { background: var(--color-warning-light); color: var(--color-warning); }
.service-dashboard__card-val { font-size: 14px; font-weight: var(--font-weight-semibold); color: var(--color-text-primary); line-height: var(--leading-tight); }
.service-dashboard__card-lbl { font-size: var(--text-xs); color: var(--color-text-tertiary); margin-top: var(--space-1); }
.service-dashboard__card-trend { font-size: 14px; font-weight: var(--font-weight-medium); margin-top: var(--space-1); }
.service-dashboard__card-trend--up { color: var(--color-success); }
.service-dashboard__card-trend--stable { color: var(--color-info); }

/* ========================================
   Product Grid (2x2+1)
   ======================================== */
.products-grid-section {
  padding: var(--space-16) 0;
  background: var(--color-bg-secondary);
}
.products-grid-section__header {
  text-align: center;
  margin-bottom: var(--space-8);
}
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
.products-grid__item {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-default);
  padding: var(--space-8);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.products-grid__item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.products-grid__item--wide {
  grid-column: 1 / -1;
}
.products-grid__item-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.products-grid__item-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.products-grid__item-icon--1 { background: var(--color-primary-light); color: var(--color-primary); }
.products-grid__item-icon--2 { background: var(--color-info-light); color: var(--color-info); }
.products-grid__item-icon--3 { background: var(--color-success-light); color: var(--color-success); }
.products-grid__item-icon--4 { background: var(--color-warning-light); color: var(--color-warning); }
.products-grid__item-icon--5 { background: var(--color-brand-accent-purple-light); color: var(--color-brand-accent-purple); }
.products-grid__item-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.products-grid__item-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}
.products-grid__item-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  /* 通栏卡描述 */
  max-width: min(100%, 920px);
}
.products-grid__item-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.products-grid__item-tag {
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}
.products-grid__item-link {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: auto;
  transition: gap 0.2s ease;
}
.products-grid__item:hover .products-grid__item-link { gap: var(--space-2); }

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  position: relative;
  padding: var(--space-16) 0;
  overflow: hidden;
  background: linear-gradient(135deg, #0A1F5C 0%, #0A3DFF 50%, #7B61FF 100%);
}
.cta-section__inner {
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}
.cta-section__gradient {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(10,61,255,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 30% 70%, rgba(0,212,255,0.08) 0%, transparent 50%);
}
.cta-section__title {
  font-size: var(--text-section-title);
  font-weight: 400;
  color: #FFFFFF;
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}
.cta-section__desc {
  font-size: var(--text-lead);
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-8);
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--color-bg-secondary);
  padding: clamp(40px, 4vw, 64px) 0 clamp(24px, 2vw, 40px);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--grid-gap);
}
.footer__col h5 {
  font-size: var(--text-small);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 16px;
  color: var(--color-text-primary);
}
.footer__col ul { list-style: none; margin: 0; padding: 0; }
.footer__col li { margin-bottom: 10px; }
.footer__col a {
  font-size: var(--text-small);
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer__col a:hover { color: var(--color-text-primary); }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .SiteHeader__nav { display: none; }
  .MobileNavToggle { display: flex; }
  .BrandHero { padding-top: clamp(100px, 10vw, 120px); padding-bottom: clamp(48px, 5vw, 64px); align-items: flex-start; }
  .BrandHero::after { height: 100px; }
  .BrandHero__layout { grid-template-columns: 1fr; gap: var(--space-8); }
  .BrandHero__visual { display: none; }
  .BrandHero__text { max-width: 100%; text-align: center; }
  .BrandHero__subtitle { max-width: 100%; }
  .BrandHero__title { font-size: 2rem; }
  .BrandHero__actions { justify-content: center; }
  .product-panel { grid-template-columns: 1fr; gap: var(--space-8); }
  .product-panel__visual { min-height: 320px; }
  .products-grid { grid-template-columns: 1fr; }
  /* Tag 横向滚动 */
  .tab-nav {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tab-nav::-webkit-scrollbar { display: none; }
  .tab-nav__btn { flex: 0 0 auto; padding: 12px 18px; font-size: 14px; min-height: 44px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .capability-matrix { height: 280px; max-width: 400px; }
  .capability-matrix__node { width: 64px; height: 64px; font-size: 14px; }
  .capability-matrix__node--center { width: 72px; height: 72px; font-size: 14px; }
}
@media (max-width: 768px) {
  .SiteHeader { height: 64px; }
  .MobileNav { top: 64px; }
  .BrandHero { padding-top: clamp(96px, 10vw, 108px); padding-bottom: clamp(40px, 5vw, 56px); }
  .BrandHero::after { height: 80px; }
  .BrandHero__title { font-size: 1.75rem; }
  .BrandHero__text { text-align: center; }
  .BrandHero__actions { justify-content: center; }
  .product-panel { grid-template-columns: 1fr; }
  .product-panel__visual { min-height: 280px; }
  .dashboard-mockup__stats { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .products-grid__item { padding: var(--space-6); }
  .cta-section__actions { flex-direction: column; align-items: center; }
  .footer__grid { grid-template-columns: 1fr; }
  .btn--lg { height: 48px; padding: 0 24px; font-size: var(--text-small); }
  .tab-nav { gap: 0; }
  .tab-nav__btn { padding: 12px 16px; font-size: 14px; min-height: 44px; }
}
@media (max-width: 480px) {
  .BrandHero { padding-top: clamp(88px, 12vw, 100px); padding-bottom: clamp(32px, 5vw, 48px); }
  .BrandHero::after { height: 60px; }
  .BrandHero__title { font-size: 1.5rem; }
  .BrandHero__text { text-align: center; }
  .BrandHero__actions { justify-content: center; }
  .dashboard-mockup__stats { grid-template-columns: 1fr; }
  .dataflow-visual__nodes { flex-direction: column; }
  .dataflow-visual__arrow { transform: rotate(90deg); }
}
@media (prefers-reduced-motion: reduce) {
  .BrandHero__grid, .radar-visual__sweep { animation: none !important; }
}

/* ==========================================================================
   Global Layout
   ========================================================================== */

:root {
  --xlx-page-inset: 24px; /* <=390：左右各 12px */
  --xlx-page-gutter: 12px;
  --container-wide: calc(100vw - var(--xlx-page-inset));
  --container-main: calc(100vw - var(--xlx-page-inset));
  --container-content: calc(100vw - var(--xlx-page-inset));
  --container-padding-inline: 0px;
}

@media (min-width: 391px) {
  :root {
    --xlx-page-inset: 28px;
    --xlx-page-gutter: 14px;
  }
}

@media (min-width: 431px) {
  :root {
    --xlx-page-inset: 32px;
    --xlx-page-gutter: 16px;
  }
}

@media (min-width: 768px) {
  :root {
    --xlx-page-inset: 48px;
    --xlx-page-gutter: 24px;
  }
}

@media (min-width: 1024px) {
  :root {
    --xlx-page-inset: 72px;
    --xlx-page-gutter: 36px;
  }
}

@media (min-width: 1280px) {
  :root {
    --xlx-page-inset: 96px;
    --xlx-page-gutter: 48px;
  }
}

@media (min-width: 1440px) {
  :root {
    --xlx-page-inset: 144px;
    --xlx-page-gutter: 72px;
  }
}

@media (min-width: 1600px) {
  :root {
    --xlx-page-inset: 220px;
    --xlx-page-gutter: 110px;
  }
}

@media (min-width: 1920px) {
  :root {
    --xlx-page-inset: 360px;
    --xlx-page-gutter: 180px;
  }
}

/* 主背景继续全宽；这里只控制内部内容版心 */
.container,
.site-container,
.SiteHeader__inner {
  max-width: var(--container-main);
}

/* 防止网格/双栏子项因长文本撑破版心 */
.container > *,
.site-container > *,
.SiteHeader__inner > * {
  min-width: 0;
}


/* CTA */
.cta-section__actions .btn {
  transition: background-color .2s ease, border-color .2s ease, color .2s ease,
              box-shadow .2s ease, transform .2s ease;
}
.cta-section__actions .btn:hover {
  background: rgba(255,255,255,.14);
  color: #FFFFFF;
  border-color: rgba(255,255,255,.55);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,0,0,.14);
}
.cta-section__actions .btn:focus-visible {
  outline: 2px solid rgba(255,255,255,.90);
  outline-offset: 3px;
}
.cta-section__actions .btn:active { transform: translateY(0); }