/* ========================================
   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: rgba(36, 84, 255, 0.03);
  --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(0, 0, 0, 0.15);
  --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);

/* ========================================
   DESIGN SYSTEM: Typography
   ======================================== */
--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;

/* ========================================
   DESIGN SYSTEM: Spacing & Layout
   ======================================== */
--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;
--duration-fast: 0.15s;
--duration-normal: 0.25s;
--duration-slow: 0.4s;
--ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
--ease-enter: cubic-bezier(0, 0, 0.2, 1);
--ease-exit: cubic-bezier(0.4, 0, 1, 1);
  }

/* ========================================
   GLOBAL RESET & BASE
   ======================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; max-width: 100vw; }
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);
  background: var(--color-bg-primary);
  overflow-x: hidden;
  max-width: 100vw;
  -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); }
h4,.h4 { font-size: clamp(18px, 1.1vw, 22px); font-weight: var(--font-weight-semibold); line-height: var(--leading-normal); 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); }
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); }
img { max-width: 100%; height: auto; }

/* ========================================
   CONTAINER & SECTION
   ======================================== */
.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); box-sizing: border-box; }
.section { padding-top: var(--section-padding-y); padding-bottom: var(--section-padding-y); width: 100%; overflow-x: hidden; }
.section--sm { padding-top: var(--section-padding-y-sm); padding-bottom: var(--section-padding-y-sm); }

/* ========================================
   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: var(--btn-secondary-bg); color: var(--btn-secondary-text); border-color: var(--btn-secondary-gradient-border); box-shadow: 0 1px 2px rgba(24, 32, 51, 0.06); }
.btn--secondary:hover { background: var(--btn-secondary-hover-bg); border-color: var(--btn-secondary-hover-border); color: var(--btn-secondary-hover-text); box-shadow: 0 2px 10px rgba(36, 84, 255, 0.16); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--color-text-secondary); border-color: transparent; }
.btn--ghost:hover { background: var(--color-bg-secondary); color: var(--color-text-primary); }
.btn--white { background: #FFFFFF; color: var(--btn-primary-bg); border-color: #FFFFFF; }
.btn--white:hover { background: var(--color-bg-secondary); color: var(--btn-primary-hover-bg); 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); }

/* ========================================
   HEADER & MEGAMENU
   ======================================== */
.SiteHeader { position: fixed; top: 0; left: 0; right: 0; height: 76px; z-index: var(--z-header); background: transparent; transition: background-color var(--duration-normal) var(--ease-standard), backdrop-filter var(--duration-normal) var(--ease-standard); }
.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 var(--duration-fast) var(--ease-standard); 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; }


/* Mobile Nav */
.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 var(--duration-fast) var(--ease-standard); }
.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; }
.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 var(--duration-normal) var(--ease-standard), opacity var(--duration-normal) var(--ease-standard); }
.MobileNavToggle--open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.MobileNavToggle--open span:nth-child(2) { opacity: 0; }
.MobileNavToggle--open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ========================================
   BRAND HERO
   ======================================== */
.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; width: 100%; }
.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 .container { position: relative; z-index: auto; width: 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; }
.BrandHero__superGraphic { position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.08; overflow: hidden; }
.BrandHero__superGraphic svg { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 75%; height: 75%; }
.BrandHero__transition { display: none; }
.BrandHero__layout { display: grid; 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__label { display: inline-flex; align-items: center; gap: var(--space-2); padding: 4px var(--space-3); font-size: var(--text-xs); font-weight: var(--font-weight-medium); color: var(--color-primary); background: rgba(10, 61, 255, 0.06); border-radius: var(--radius-full); margin-bottom: var(--space-5); letter-spacing: 0.04em; }
.BrandHero__title { font-family: var(--font-display); font-size: var(--text-hero-inner); font-weight: 500; line-height: 1.18; letter-spacing: -0.01em; color: var(--color-text-primary); margin: 0 0 var(--space-5); }
.BrandHero__subtitle { font-size: 16.5px; color: var(--color-text-secondary); line-height: 1.8; margin: 0 0 var(--space-4); max-width: min(100%, 760px); }
.BrandHero__subtitle:last-of-type { margin-bottom: var(--space-6); }

/* ── Hero 结构型事实标签（轻量 inline facts，不做数字卡/仪表盘） ── */
.BrandHero__facts { list-style: none; margin: 0 0 var(--space-6); padding: 0; display: flex; flex-direction: column; gap: 10px; }
.HeroFact { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; padding: 10px 14px; border-radius: var(--radius-lg); background: var(--color-primary-subtle); border: 1px solid rgba(36, 84, 255, 0.12); }
.HeroFact__label { flex: 0 0 auto; font-size: 14px; font-weight: var(--font-weight-medium); color: var(--color-primary); white-space: nowrap; }
.HeroFact__value { flex: 1 1 auto; min-width: 0; font-size: 14px; line-height: 1.7; color: var(--color-text-secondary); }

.BrandHero__actions { display: flex; align-items: center; gap: var(--space-4); margin-bottom: 0; flex-wrap: wrap; position: relative; z-index: 4; }
.BrandHero__visual { display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; min-width: 0; }
.BrandHero__visual .hero-dashboard { width: 100%; max-width: 100%; }

/* ── Gradient Glow Layer (4-layer radial color balls, same as homepage) ── */
.BrandHero__gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-size: 200% 200%;
  animation: heroGradientShift 12s ease infinite;
}
.BrandHero--about .BrandHero__gradient {
  background:
    radial-gradient(ellipse 60% 50% at 50% 60%, rgba(10, 61, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 70% 35%, rgba(0, 212, 255, 0.10) 0%, transparent 55%),
    radial-gradient(ellipse 45% 35% at 35% 45%, rgba(123, 97, 255, 0.09) 0%, transparent 50%),
    radial-gradient(ellipse 55% 30% at 55% 25%, rgba(22, 119, 255, 0.06) 0%, transparent 50%);
}

@keyframes heroGradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes brandGridShift { 0% { transform: translate(0,0); } 100% { transform: translate(60px,60px); } }

/* ── 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; }

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

/* ========================================
   ABOUT PAGE SPECIFIC STYLES
   ======================================== */

/* Section Label */
.SectionLabel { display: none; }
/* 引言限宽 */
.SectionIntro { max-width: min(820px, 100%); }
.SectionIntro__lead { max-width: min(820px, 100%); font-size: var(--text-base); line-height: var(--leading-body); color: var(--color-text-primary); }

/* Section Backgrounds */
.Section--alt { background: var(--color-bg-secondary); }
.Section--alt + .section:not(.Section--alt) { padding-top: calc(var(--section-padding-y) * 0.75); }
.Section--dark { background: var(--color-bg-inverse); color: var(--color-text-inverse); }

/* Hero Dashboard Visualization */
.hero-dashboard { width: 100%; max-width: 100%; }
.hero-dashboard svg { width: 100%; height: auto; display: block; }
/* 关系图：宽屏横向 / 移动端纵向（节点文字按 product 页图表层级收敛：标题 14 / 说明 13） */
.hero-dashboard .hero-dash { width: 100%; height: auto; display: block; }
.hero-dashboard .hero-dash .typo-diagram-title { font-size: 14px; }
.hero-dashboard .hero-dash .typo-diagram-desc { font-size: 13px; }
.hero-dashboard .hero-dash--col { display: none; }
@media (max-width: 767px) {
  .hero-dashboard .hero-dash--row { display: none; }
  .hero-dashboard .hero-dash--col { display: block; }
}

/* Company Positioning */
.CompanyPos { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: var(--space-12); align-items: start; }
.CompanyPos > * { min-width: 0; box-sizing: border-box; }
.CompanyPos__cards { width: 100%; }

/* ── 我们解决什么问题：2×2 小型问题卡（替代原整屏插画） ── */
.ProblemGrid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.ProblemCard { display: flex; flex-direction: column; gap: 10px; padding: 22px 20px; background: #FFFFFF; border: 1px solid var(--color-border-default); border-radius: var(--radius-xl); transition: border-color .2s ease, box-shadow .2s ease; }
.ProblemCard:hover { border-color: rgba(36, 84, 255, 0.28); box-shadow: var(--shadow-md); }
.ProblemCard__index { font-size: 14px; font-weight: var(--font-weight-medium); color: var(--color-primary); letter-spacing: 0.06em; }
.ProblemCard__title { font-size: 16px; line-height: 1.6; color: var(--color-text-primary); }

/* 区块定位 */
#capabilities,
#authority { scroll-margin-top: 104px; }
.CompanyPos__text h2 { margin-bottom: var(--space-6); }
.CompanyPos__text p { font-size: var(--text-lg); line-height: 1.75; color: var(--color-text-secondary); margin-bottom: var(--space-4); }
.CompanyPos__text p strong { color: var(--color-text-primary); }
.CompanyPos__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin-top: var(--space-8); }
.CompanyPos__stat { text-align: left; min-width: 0; }
.CompanyPos__statValue { font-size: var(--text-3xl); font-weight: var(--font-weight-semibold); color: var(--color-primary); line-height: 1.2; }
.CompanyPos__statLabel { font-size: var(--text-sm); color: var(--color-text-tertiary); margin-top: var(--space-1); }

/* Capability Module (alternating layout) */
.CapModule { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-10); align-items: center; padding: var(--space-12) 0; }
.CapModule > * { min-width: 0; box-sizing: border-box; }
.CapModule--reverse .CapModule__visual { order: 1; }
.CapModule--reverse .CapModule__text { order: 0; }
.CapModule__text { max-width: 100%; min-width: 0; }
.CapModule__num { display: inline-flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); font-weight: var(--font-weight-semibold); color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-3); }
.CapModule__title { font-size: var(--text-3xl); font-weight: 400; line-height: 1.25; color: var(--color-text-primary); margin: 0 0 var(--space-4); }
.CapModule__desc { font-size: var(--text-base); line-height: 1.75; color: var(--color-text-secondary); margin-bottom: var(--space-6); }
.CapModule__features { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.CapModule__feature { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; font-size: var(--text-sm); font-weight: var(--font-weight-medium); color: var(--color-text-secondary); background: var(--color-bg-secondary); border-radius: var(--radius-full); border: 1px solid var(--color-border-default); }
.CapModule__feature svg { width: 14px; height: 14px; color: var(--color-primary); flex-shrink: 0; }
.CapModule__visual { display: flex; align-items: center; justify-content: center; overflow: hidden; }
.CapModule__mockup { width: 100%; max-width: 100%; background: var(--color-bg-primary); border-radius: var(--radius-xl); border: 1px solid var(--color-border-default); box-shadow: var(--shadow-lg); overflow: hidden; position: relative; }
.CapModule__mockup svg { width: 100%; height: auto; display: block; }
.CapModule__mockupBadge { position: absolute; top: var(--space-3); right: var(--space-3); z-index: 1; display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px; font-size: 14px; line-height: 1.4; background: var(--color-bg-primary); border: 1px solid var(--color-border-default); color: var(--color-text-secondary); box-shadow: var(--shadow-sm); }
.CapDivider { border: none; border-top: 1px solid var(--color-border-default); margin: 0; }

/* Service Objects - Enlarged */
.ServeGrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.ServeGrid > * { min-width: 0; box-sizing: border-box; }
.ServeCard { background: var(--color-bg-primary); border: 1px solid var(--color-border-default); border-radius: var(--radius-xl); padding: var(--space-8); transition: border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard); }
.ServeCard:hover { border-color: var(--color-border-hover); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.ServeCard__icon { width: 56px; height: 56px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-5); }
.ServeCard__icon--purple { background: var(--color-primary-light); color: var(--color-primary); }
.ServeCard__icon--blue { background: var(--color-info-light); color: var(--color-info); }
.ServeCard__icon--green { background: var(--color-success-light); color: var(--color-success); }
.ServeCard__icon--orange { background: var(--color-warning-light); color: var(--color-warning); }
.ServeCard__title { font-size: var(--text-xl); font-weight: var(--font-weight-semibold); color: var(--color-text-primary); margin: 0 0 var(--space-3); }
.ServeCard__desc { font-size: var(--text-sm); line-height: 1.7; color: var(--color-text-tertiary); }
.ServeCard__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.ServeCard__tag { display: inline-block; padding: 2px 10px; font-size: 14px; font-weight: var(--font-weight-medium); color: var(--color-primary); background: var(--color-primary-light); border-radius: var(--radius-full); }

/* Qualifications */

/* Timeline */
.Timeline { position: relative; padding-left: 0; }
.Timeline::before { content: ''; position: absolute; left: 52px; top: 0; bottom: 0; width: 2px; background: var(--color-border-default); }
.TimelineItem { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: var(--space-8); align-items: start; padding-bottom: var(--space-10); position: relative; }
.TimelineItem:last-child { padding-bottom: 0; }
.TimelineItem::after { content: ''; position: absolute; left: 45px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--color-primary); border: 3px solid var(--color-bg-primary); box-shadow: 0 0 0 3px var(--color-primary-light); z-index: 2; }
.TimelineItem__year { display: inline-flex; align-items: center; justify-content: center; font-size: var(--text-sm); font-weight: var(--font-weight-semibold); color: var(--color-primary); padding: var(--space-1) var(--space-3); background: var(--color-primary-light); border-radius: var(--radius-full); white-space: nowrap; }
.TimelineItem__body { min-width: 0; }
.TimelineItem__title { font-size: var(--text-xl); font-weight: var(--font-weight-semibold); color: var(--color-text-primary); margin: 0 0 var(--space-2); line-height: 1.4; }
.TimelineItem__desc { font-size: var(--text-base); line-height: 1.75; color: var(--color-text-secondary); }

/* CTA Section */
.CtaSection { background: linear-gradient(135deg, #0A1F5C 0%, #0A3DFF 50%, #7B61FF 100%); padding: var(--space-16) 0; text-align: center; }
.CtaSection .container { max-width: 1080px; }
.CtaSection h2 { color: #FFFFFF; margin-bottom: var(--space-4); }
.CtaSection p { color: rgba(255,255,255,0.9); font-size: var(--text-lg); margin-bottom: var(--space-6); max-width: 920px; margin-left: auto; margin-right: auto; }
.CtaSection .btn--white { margin-right: var(--space-4); }

/* ========================================
   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: 36px; }
  /* Tablet：文字在上、关系图在下（放大容器以保持节点文字可读，不再压缩高度） */
  .BrandHero__visual { display: flex; justify-content: center; max-height: none; }
  .BrandHero__visual .hero-dashboard { max-width: min(100%, 620px); }
  .BrandHero__text { max-width: 100%; text-align: left; }
  .BrandHero__subtitle { max-width: min(100%, 760px); }
  .BrandHero__title { font-size: clamp(40px, 4.6vw, 44px); }
  .BrandHero__actions { justify-content: flex-start; }
  .CompanyPos { grid-template-columns: 1fr; gap: var(--space-8); }
  .CompanyPos__cards { order: 0; }
  .CapModule { grid-template-columns: 1fr; gap: var(--space-8); padding: var(--space-8) 0; }
  .CapModule--reverse .CapModule__visual { order: 0; }
  .CapModule__text { max-width: 100%; }
  .ServeGrid { grid-template-columns: repeat(2, 1fr); }
  .Timeline::before { left: 24px; }
  .TimelineItem { grid-template-columns: 1fr; gap: var(--space-4); padding-left: 48px; }
  .TimelineItem__year { justify-self: start; width: auto; }
  .TimelineItem::after { left: 17px; top: 4px; width: 12px; height: 12px; border-width: 2px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .SiteHeader { height: 64px; }
  .MobileNav { top: 64px; }
  .SiteHeader__logo img { height: 28px; }
  .BrandHero { padding-top: clamp(96px, 10vw, 108px); padding-bottom: clamp(40px, 5vw, 56px); }
  .BrandHero::after { height: 80px; }
  .BrandHero__layout { gap: 32px; }
  .BrandHero__title { font-size: clamp(34px, 5vw, 38px); }
  .BrandHero__subtitle { max-width: 100%; font-size: 16px; }
  .BrandHero__text { text-align: left; }
  .BrandHero__actions { justify-content: flex-start; }
  .BrandHero__facts { gap: 8px; }
  .HeroFact { padding: 9px 12px; }
  .HeroFact__value { font-size: 14px; }
  .BrandHero__visual { max-height: none; }
  .BrandHero__visual .hero-dashboard { max-width: 100%; }
  .ProblemGrid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .CapModule__title { font-size: var(--text-2xl); }
  .ServeGrid { grid-template-columns: 1fr; }
  .CompanyPos__stats { grid-template-columns: repeat(2, 1fr); }
  .btn--lg { height: 48px; padding: 0 24px; }
  .footer__grid { grid-template-columns: 1fr; }
}
@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: 34px; }
  .BrandHero__subtitle { max-width: 100%; }
  .BrandHero__text { text-align: left; }
  .BrandHero__actions { justify-content: flex-start; }
  .BrandHero__actions .btn { width: 100%; }
  .CompanyPos__stats { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .BrandHero__gradient,
  .BrandHero__grid { animation: none !important; }
}

/* About 运营数字 / 里程碑 */
.CompanyPos__stats:empty{display:none}
.CompanyPos__statNote{display:block;margin-top:14px;font-size: 15px;line-height:1.7;color:var(--color-text-tertiary,#8C95A3)}

/* RaaS 合规即服务交付架构图 */
.RaaSArch { display: block; }

.RaaSArch__svg { display: block; width: 100%; height: auto; }
.RaaSArch .RaaSArch__svg--col { display: none; }

.RaaSArch__title,
.RaaSArch__colTitle,
.RaaSArch__itemLabel { fill: var(--color-text-primary, #1F2937); }

.RaaSArch__stage { fill: var(--brand-primary, #2454FF); }

/* 三列容器 */
.RaaSArch__frame {
  fill: var(--color-bg-primary, #FFFFFF);
  stroke: var(--border-subtle, #DCE4F2);
  stroke-width: 1;
}

/* API治理层 */
.RaaSArch__frame--primary {
  stroke: var(--brand-primary, #2454FF);
  filter: drop-shadow(0 2px 4px rgba(36, 84, 255, .10));
}

/* 子项卡片 */
.RaaSArch__item {
  fill: var(--color-bg-secondary, #F6F8FC);
  stroke: var(--border-subtle, #DCE4F2);
  stroke-width: 1;
}

/* 三阶段单一主箭头 */
.RaaSArch__link {
  stroke: var(--brand-primary, #2454FF);
  stroke-width: 2;
  opacity: .4;
}

.RaaSArch__head { fill: var(--brand-primary, #2454FF); opacity: .4; }


html[data-theme="dark"] .RaaSArch__frame,
html[data-theme="dark"] .RaaSArch__item { stroke: var(--color-border-default); }

/* Mobile：切换为纵向三阶段（箭头向下） */
@media (max-width: 767px) {
  .RaaSArch .RaaSArch__svg--row { display: none; }
  .RaaSArch .RaaSArch__svg--col { display: block; }
}

/* ==========================================================================
   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 */
.CtaSection .btn {
  transition: background-color .2s ease, border-color .2s ease, color .2s ease,
              box-shadow .2s ease, transform .2s ease;
}
.CtaSection .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);
}
.CtaSection .btn:focus-visible {
  outline: 2px solid rgba(255,255,255,.90);
  outline-offset: 3px;
}
.CtaSection .btn:active { transform: translateY(0); }