/* ============================================
   数益智联 AIO 展示页 v2 — 营销叙事版
   Design tokens + 全部组件（自包含，不依赖 style.css）
   ============================================ */

:root {
  /* 品牌 */
  --aio-primary: #3370FF;
  --aio-primary-dark: #2860E0;
  --aio-primary-darker: #1A50D0;
  --aio-primary-light: #EBF1FF;
  --aio-primary-lighter: #F5F8FF;
  --aio-accent: #FF6B35;          /* 仅主 CTA */
  --aio-accent-dark: #E85A26;
  --aio-ink: #14161C;             /* 深墨 */
  --aio-ink-soft: #1C1F2A;
  --aio-text: #1F2329;
  --aio-text-2: #555;
  --aio-text-3: #8A9099;
  --aio-bg: #F7F8FB;
  --aio-bg-grad: linear-gradient(160deg, #F7F8FB 0%, #E9EEFB 100%);
  --aio-card: #FFFFFF;
  --aio-border: #E6E8EF;
  --aio-radius: 16px;
  --aio-radius-sm: 10px;
  --aio-shadow: 0 2px 8px rgba(20, 22, 28, 0.05);
  --aio-shadow-lg: 0 20px 48px rgba(20, 22, 28, 0.12);
  --aio-green: #2E7D32;
  --aio-purple: #7B1FA2;
  --aio-orange: #E65100;
  --aio-teal: #00695C;
  --aio-blue2: #1565C0;
  --aio-red: #C62828;
}

* { box-sizing: border-box; }

html { scroll-behavior: auto; }
/* 2026-10-02 去掉全局 smooth：滚轮要"随滚随到"原生响应，
   不要拖 1-2 秒的平滑动画（用户反馈观感像卡顿翻页）。
   键盘翻页在 JS 里用 instant 瞬移，锚点跳转无依赖。 */

html, body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  color: var(--aio-text);
  background: var(--aio-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

.aio-home { max-width: 100vw; overflow-x: clip; }

/* ============ 按钮 ============ */
.aio-btn-primary {
  display: inline-block;
  background: var(--aio-accent);
  color: #fff;
  padding: 15px 34px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  box-shadow: 0 6px 18px rgba(255, 107, 53, 0.35);
}
.aio-btn-primary:hover {
  background: var(--aio-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 107, 53, 0.42);
}

.aio-btn-secondary {
  display: inline-block;
  background: #fff;
  color: var(--aio-primary);
  padding: 14px 32px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  border: 2px solid var(--aio-primary);
  cursor: pointer;
  transition: all 0.25s;
}
.aio-btn-secondary:hover {
  background: var(--aio-primary-light);
  transform: translateY(-2px);
}

.aio-btn-ghost {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  padding: 14px 32px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: all 0.25s;
}
.aio-btn-ghost:hover { background: rgba(255, 255, 255, 0.22); }

/* ============ 导航 ============ */
.aio-nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 0 rgba(20, 22, 28, 0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow 0.25s;
}
.aio-nav.is-scrolled { box-shadow: 0 6px 24px rgba(20, 22, 28, 0.08); }

.aio-nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  order: 1;
}
.aio-nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--aio-ink);
  border-radius: 2px;
  transition: all 0.3s;
}
.aio-nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.aio-nav-hamburger.active span:nth-child(2) { opacity: 0; }
.aio-nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.aio-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.aio-nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
}
.aio-nav-logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--aio-ink);
}
.aio-nav-logo-text span { color: var(--aio-primary); }

.aio-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.aio-nav-link {
  color: var(--aio-text-2);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.aio-nav-link:hover { color: var(--aio-primary); }
.aio-nav-link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--aio-primary);
  transform: scaleX(0);
  transition: transform 0.2s;
}
.aio-nav-link:hover::after { transform: scaleX(1); }

.aio-nav-cta {
  background: var(--aio-primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
}
.aio-nav-cta:hover {
  background: var(--aio-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(51, 112, 255, 0.35);
}

/* ============ Sticky 悬浮 CTA ============ */
#stickyCta {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
#stickyCta.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
#stickyCta a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--aio-shadow-lg);
  transition: transform 0.2s;
}
#stickyCta a:hover { transform: translateX(-4px); }
#stickyCta .sc-primary {
  background: var(--aio-accent);
  color: #fff;
}
#stickyCta .sc-secondary {
  background: #fff;
  color: var(--aio-primary);
  border: 1.5px solid var(--aio-primary);
}

/* ============ Section 通用 ============ */
.aio-section {
  padding: 96px 48px;
}
.aio-section.alt {
  background: var(--aio-bg-grad);
}
.aio-section.dark {
  background: var(--aio-ink);
  color: rgba(255, 255, 255, 0.88);
}
.aio-section.white { background: #fff; }

.aio-section-title {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}
.aio-section-tag {
  display: inline-block;
  background: var(--aio-primary-light);
  color: var(--aio-primary);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.aio-section.dark .aio-section-tag {
  background: rgba(51, 112, 255, 0.25);
  color: #9DB8FF;
}
.aio-section-title h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--aio-ink);
  margin: 0 0 16px;
  line-height: 1.3;
}
.aio-section.dark .aio-section-title h2 { color: #fff; }
.aio-section-title p {
  font-size: 17px;
  color: var(--aio-text-2);
  line-height: 1.7;
  margin: 0;
}
.aio-section.dark .aio-section-title p { color: rgba(255, 255, 255, 0.7); }

/* ============ Hero ============ */
.aio-hero {
  background:
    radial-gradient(ellipse 80% 60% at 85% 20%, rgba(51, 112, 255, 0.14), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 90%, rgba(255, 107, 53, 0.08), transparent 60%),
    linear-gradient(165deg, #F7F9FF 0%, #E8EEFC 100%);
  padding: 88px 48px 72px;
  overflow: hidden;
  position: relative;
}
.aio-hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.aio-hero-inner > * { min-width: 0; }
.aio-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(51, 112, 255, 0.1);
  color: var(--aio-primary);
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
}
.aio-hero h1 {
  font-size: 50px;
  font-weight: 800;
  color: var(--aio-ink);
  line-height: 1.18;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.aio-hero h1 .grad {
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.aio-hero-desc {
  font-size: 18px;
  color: var(--aio-text-2);
  line-height: 1.85;
  margin: 0 0 36px;
  max-width: 540px;
}
.aio-hero-desc strong { color: var(--aio-ink); }

.aio-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.aio-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding-top: 32px;
  border-top: 1px solid rgba(51, 112, 255, 0.15);
}
.aio-stat { text-align: left; }
.aio-stat-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--aio-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}
.aio-stat-value .unit {
  font-size: 15px;
  font-weight: 700;
}
.aio-stat-label {
  font-size: 13px;
  color: var(--aio-text-3);
  line-height: 1.4;
}

/* Hero 右侧：痛点卡预览（替代拆字解释） */
.aio-hero-panel {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  padding: 28px;
  backdrop-filter: blur(10px);
  box-shadow: var(--aio-shadow-lg);
}
.aio-hero-panel-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--aio-text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.aio-hero-panel-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid var(--aio-border);
}
.aio-hero-panel-item:last-child { border-bottom: none; padding-bottom: 0; }
.aio-hero-panel-item:first-of-type { padding-top: 0; }
.aio-hp-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--aio-primary-light);
  color: var(--aio-primary);
}
.aio-hp-icon.warn { background: #FFF3E0; color: var(--aio-orange); }
.aio-hp-icon.bad { background: #FFEBEE; color: var(--aio-red); }
.aio-hp-text strong {
  display: block;
  font-size: 15px;
  color: var(--aio-ink);
  margin-bottom: 4px;
}
.aio-hp-text span {
  font-size: 13px;
  color: var(--aio-text-2);
  line-height: 1.55;
}
.aio-hero-panel-fix {
  margin-top: 18px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  border-radius: 12px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ============ 痛点三连 ============ */
.aio-pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
}
.aio-pain-card {
  background: var(--aio-card);
  border: 1px solid var(--aio-border);
  border-radius: var(--aio-radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.35s;
}
.aio-pain-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--aio-shadow-lg);
  border-color: transparent;
}
.aio-pain-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--aio-accent), #FF9A6B);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s;
}
.aio-pain-card:hover::before { transform: scaleX(1); }
.aio-pain-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--aio-accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.aio-pain-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--aio-ink);
  margin: 0 0 12px;
}
.aio-pain-card p {
  font-size: 14.5px;
  color: var(--aio-text-2);
  line-height: 1.75;
  margin: 0 0 20px;
}
.aio-pain-solution {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: var(--aio-primary-lighter);
  border-radius: 10px;
  font-size: 13.5px;
  color: var(--aio-primary-darker);
  line-height: 1.6;
  font-weight: 500;
}
.aio-pain-solution i { flex-shrink: 0; margin-top: 2px; }

/* ============ 三步走（解法总览） ============ */
.aio-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1120px;
  margin: 0 auto 48px;
  position: relative;
}
.aio-step {
  background: var(--aio-card);
  border-radius: var(--aio-radius);
  padding: 36px 28px;
  border: 1px solid var(--aio-border);
  position: relative;
  transition: all 0.35s;
}
.aio-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--aio-shadow-lg);
}
.aio-step-num {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.aio-step:nth-child(2) .aio-step-num { background: linear-gradient(135deg, #7B1FA2, #9C27B0); }
.aio-step:nth-child(3) .aio-step-num { background: linear-gradient(135deg, #2E7D32, #4CAF50); }
.aio-step h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--aio-ink);
  margin: 0 0 8px;
}
.aio-step .step-en {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--aio-text-3);
  margin-bottom: 14px;
}
.aio-step p {
  font-size: 14.5px;
  color: var(--aio-text-2);
  line-height: 1.75;
  margin: 0 0 18px;
}
.aio-step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.aio-step-tags span {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--aio-primary-light);
  color: var(--aio-primary);
}

/* ============ 理念/方案卡片（复用原交互类名） ============ */
.aio-philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.aio-solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
}
.aio-solutions-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.aio-solutions-grid.cols-6 { grid-template-columns: repeat(3, 1fr); }

.aio-solution-card {
  background: var(--aio-card);
  border-radius: var(--aio-radius);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  box-shadow: var(--aio-shadow);
  border: 1px solid var(--aio-border);
  position: relative;
}
.aio-solution-card:hover {
  box-shadow: var(--aio-shadow-lg);
  transform: translateY(-6px);
  z-index: 2;
}
.aio-solution-card:focus-visible {
  outline: 3px solid var(--aio-primary);
  outline-offset: 2px;
}

.aio-solution-header {
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  padding: 28px 24px;
  color: #fff;
}
.aio-solution-header h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
}
.aio-solution-header h3 i { flex-shrink: 0; }
.aio-solution-header p {
  font-size: 13.5px;
  opacity: 0.92;
  margin: 0;
  line-height: 1.5;
}

.aio-solution-features { padding: 20px 24px 24px; }
.aio-solution-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid #F1F2F6;
}
.aio-solution-feature:last-child { border-bottom: none; }
.aio-solution-feature-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--aio-primary-light);
  color: var(--aio-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s;
}
.aio-solution-card:hover .aio-solution-feature-icon { transform: scale(1.08); }
.aio-solution-feature span {
  font-size: 13.5px;
  color: var(--aio-text-2);
  line-height: 1.55;
}

/* ============ 场景沉浸：价值流 ============ */
.aio-flow-panel {
  max-width: 1120px;
  margin: 0 auto 48px;
  background: #fff;
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: var(--aio-shadow);
  border: 1px solid var(--aio-border);
}
.aio-flow-panel h3 {
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--aio-ink);
  margin: 0 0 8px;
}
.aio-flow-panel > p.aio-flow-sub {
  text-align: center;
  font-size: 14px;
  color: var(--aio-text-3);
  margin: 0 0 32px;
}
.aio-flow-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 13px;
  margin-bottom: 24px;
}
.aio-flow-box {
  padding: 12px 16px;
  border-radius: 10px;
  text-align: center;
  min-width: 88px;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.aio-flow-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(20, 22, 28, 0.18);
}
.aio-flow-box .sub {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.85;
  margin-top: 4px;
}
.aio-flow-arrow {
  color: #C5C9D4;
  font-size: 18px;
  flex-shrink: 0;
}
.aio-flow-card-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.aio-flow-card {
  padding: 12px 16px;
  border-radius: 10px;
  text-align: center;
  font-size: 12px;
  max-width: 170px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  background: #fff;
}
.aio-flow-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(20, 22, 28, 0.12);
}
.aio-flow-card .fc-title {
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.aio-flow-card .fc-desc {
  color: var(--aio-text-3);
  font-size: 11.5px;
  line-height: 1.45;
}

/* ---- valueflow real flowchart: return path ---- */
.aio-flow-main-wrap {
  position: relative;
  margin-bottom: 8px;
}
.aio-flow-main-wrap .aio-flow-row {
  position: relative;
  z-index: 2;
  margin-bottom: 0;
}
.aio-flow-return {
  position: relative;
  height: 70px;
  margin: 0 8px 24px;
  z-index: 1;
}
.aio-return-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.aio-flow-loop {
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 8px 18px;
  background: #3370FF;
  color: #fff;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(51,112,255,0.28);
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 2;
}
.aio-flow-loop:hover {
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 8px 20px rgba(51,112,255,0.35);
}
.aio-flow-loop span {
  display: block;
  white-space: nowrap;
}

.aio-flow-note {
  text-align: center;
  font-size: 12.5px;
  color: var(--aio-text-3);
  margin: 8px 0 0;
  line-height: 1.6;
}

/* ============ 证据区 ============ */
.aio-evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1120px;
  margin: 0 auto 40px;
}
.aio-evidence-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--aio-radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}
.aio-evidence-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}
.aio-evidence-value {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 8px;
}
.aio-evidence-value .unit { font-size: 18px; font-weight: 700; color: #9DB8FF; }
.aio-evidence-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  margin-bottom: 10px;
}
.aio-evidence-src {
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.02em;
}
.aio-evidence-footnote {
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============ 模块矩阵 ============ */
.aio-mod-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}
.aio-mod-tab {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--aio-border);
  background: #fff;
  color: var(--aio-text-2);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.aio-mod-tab:hover { border-color: var(--aio-primary); color: var(--aio-primary); }
.aio-mod-tab.active {
  background: var(--aio-ink);
  border-color: var(--aio-ink);
  color: #fff;
}

.aio-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}
.aio-capability-card {
  background: #fff;
  border: 1px solid var(--aio-border);
  border-radius: 14px;
  padding: 28px 18px;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.aio-capability-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(51, 112, 255, 0.14);
  border-color: transparent;
}
.aio-capability-card:focus-visible {
  outline: 3px solid var(--aio-primary);
  outline-offset: 2px;
}
.aio-capability-card.is-hidden { display: none; }

.aio-capability-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  transition: transform 0.3s;
}
.aio-capability-card:hover .aio-capability-icon { transform: scale(1.1) rotate(4deg); }
.aio-capability-icon.blue   { background: #EBF1FF; color: #3370FF; }
.aio-capability-icon.green  { background: #E8F5E9; color: #2E7D32; }
.aio-capability-icon.purple { background: #F3E5F5; color: #7B1FA2; }
.aio-capability-icon.orange { background: #FFF3E0; color: #EF6C00; }
.aio-capability-icon.teal   { background: #E0F2F1; color: #00695C; }

.aio-capability-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--aio-ink);
  margin: 0 0 6px;
  transition: color 0.25s;
}
.aio-capability-card:hover h3 { color: var(--aio-primary); }
.aio-capability-card p {
  font-size: 12.5px;
  color: var(--aio-text-3);
  line-height: 1.5;
  margin: 0;
}

/* 三档卡片规格 — 打破 63 卡重复感（大卡强调行） */
.aio-solution-card.card-lg {
  grid-column: span 2;
}
.aio-solution-card.card-lg .aio-solution-header { padding: 36px 32px; }
.aio-solution-card.card-lg .aio-solution-header h3 { font-size: 24px; }
.aio-solution-card.card-lg .aio-solution-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
  padding: 24px 32px 28px;
}

/* 小胶囊行（技术特点等） */
.aio-chip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 1120px;
  margin: 0 auto;
}
.aio-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--aio-border);
  border-radius: 999px;
  padding: 12px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--aio-ink);
  cursor: pointer;
  transition: all 0.25s;
}
.aio-chip:hover {
  border-color: var(--aio-primary);
  color: var(--aio-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(51, 112, 255, 0.12);
}
.aio-chip i { color: var(--aio-primary); }

/* ============ 合作模式 ============ */
.aio-coop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
}
.aio-coop-card {
  background: #fff;
  border: 2px solid var(--aio-border);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.aio-coop-card:hover { transform: translateY(-6px); box-shadow: var(--aio-shadow-lg); }
.aio-coop-card.featured {
  border-color: var(--aio-primary);
  position: relative;
}
.aio-coop-card.featured::after {
  content: '推荐';
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--aio-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
  z-index: 1;
}
.aio-coop-head {
  padding: 32px 28px 24px;
  color: #fff;
}
/* 2026-10-02 卡片头部渐变加固：
   原为 inline background:linear-gradient(...)，部分手机 WebView/旧浏览器
   解析失败 → 头变白底、白字标题看不见。改为 class 定义：
   background-color 纯色兜底（任何浏览器都认识），
   background-image 渐变叠加（支持的浏览器渐变盖在纯色上）。
   两属性独立声明，互不干扰——比 background 简写双重声明更稳。
   head-blue 试用版，head-green 私有化部署。 */
.aio-coop-head.head-blue { background-color: #3370FF; background-image: linear-gradient(135deg,#3370FF,#5B8DEF); }
.aio-coop-head.head-green { background-color: #2E7D32; background-image: linear-gradient(135deg,#2E7D32,#4CAF50); }
.aio-coop-head h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.aio-coop-head p { margin: 0; font-size: 14px; opacity: 0.9; }
.aio-coop-body {
  padding: 24px 28px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.aio-coop-body .aio-solution-feature { border-color: #F1F2F6; }
.aio-coop-body .aio-btn-primary,
.aio-coop-body .aio-btn-secondary {
  margin-top: auto;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}

/* ============ 分层 CTA ============ */
.aio-cta-band {
  background:
    radial-gradient(ellipse 70% 80% at 20% 50%, rgba(51, 112, 255, 0.35), transparent 60%),
    radial-gradient(ellipse 50% 60% at 90% 80%, rgba(255, 107, 53, 0.25), transparent 60%),
    var(--aio-ink);
  padding: 88px 48px;
  text-align: center;
}
.aio-cta-band h2 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 16px;
}
.aio-cta-band > p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.aio-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 36px;
}
.aio-cta-tiers {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.55);
}
.aio-cta-tiers span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.aio-cta-tiers i { color: #9DB8FF; }

/* ============ Footer ============ */
.aio-footer {
  background: #0E1016;
  color: rgba(255, 255, 255, 0.65);
  padding: 64px 48px 28px;
}
.aio-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 48px;
  max-width: 1120px;
  margin: 0 auto 40px;
}
.aio-footer-brand h3 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
}
.aio-footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 16px;
}
.aio-footer-brand .brand-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.aio-footer-brand .brand-tags span {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
}
.aio-footer-links h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: 0.04em;
}
.aio-footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.2s;
}
.aio-footer-links a:hover { color: #fff; }

.aio-footer-lead {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 20px;
}
.aio-footer-lead h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
}
.aio-footer-lead p {
  font-size: 12.5px;
  line-height: 1.6;
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.55);
}
.aio-footer-lead a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 0;
}
.aio-footer-lead a:hover { color: #9DB8FF; }

.aio-footer-bottom {
  text-align: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  max-width: 1120px;
  margin: 0 auto;
}

/* ============ 滚动进场 ============ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.aio-animate {
  animation: fadeInUp 0.55s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
/* 预隐藏（JS 不可用时保持可见 — 用 no-js 技巧由 JS 加类） */
.js .aio-reveal:not(.aio-animate),
.js .aio-solution-card:not(.aio-animate),
.js .aio-capability-card:not(.aio-animate),
.js .aio-pain-card:not(.aio-animate),
.js .aio-evidence-card:not(.aio-animate),
.js .aio-step:not(.aio-animate),
.js .aio-stat:not(.aio-animate) {
  opacity: 0;
}

/* ============ 弹窗（移植自原版，token 化） ============ */
.aio-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  justify-content: center;
  align-items: flex-start;
  padding-top: 40px;
  overflow-y: auto;
}
.aio-modal.active { display: flex; }
.aio-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 12, 18, 0.55);
  backdrop-filter: blur(4px);
}
.aio-modal-content {
  position: relative;
  background: #fff;
  border-radius: 20px;
  width: 90vw;
  max-width: 900px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
  animation: modalSlideIn 0.3s ease-out;
  cursor: default;
  user-select: none;
}
@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.aio-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 1;
}
.aio-modal-close:hover { background: rgba(255, 255, 255, 0.35); transform: scale(1.1); }
.aio-modal-header {
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  padding: 40px 48px;
  color: #fff;
}
.aio-modal-header h2 { font-size: 28px; font-weight: 700; margin: 0 0 8px; }
.aio-modal-header p { font-size: 16px; opacity: 0.92; margin: 0; }
.aio-modal-header .aio-modal-icon { font-size: 48px; margin-bottom: 16px; line-height: 1; }
.aio-modal-arch-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-top: 12px;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.aio-modal-body {
  padding: 36px 48px 40px;
  overflow-y: auto;
  flex: 1;
}
.aio-modal-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--aio-ink);
  margin: 24px 0 16px;
}
.aio-modal-body h3:first-child { margin-top: 0; }
.aio-modal-desc {
  background: var(--aio-primary-lighter);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 8px;
  border-left: 4px solid var(--aio-primary);
}
.aio-modal-desc p {
  font-size: 15px;
  color: var(--aio-text-2);
  line-height: 1.8;
  margin: 0;
}
.aio-modal-layers {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0;
}
.aio-modal-layer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--aio-border);
  opacity: 0;
  transform: translateX(-16px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.aio-modal-layer.animate { opacity: 1; transform: translateX(0); }
.aio-modal-layer:hover {
  border-color: var(--aio-primary);
  box-shadow: 0 4px 16px rgba(51, 112, 255, 0.1);
  transform: translateX(4px);
}
.aio-modal-layer-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.aio-modal-layer-content { flex: 1; }
.aio-modal-layer-content span {
  font-size: 14px;
  color: var(--aio-text);
  line-height: 1.55;
}
.aio-modal-cta {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #F0F1F5;
}
.aio-modal-cta .aio-btn-primary,
.aio-modal-cta .aio-btn-secondary {
  padding: 12px 28px;
  font-size: 14px;
}

/* ============ 响应式 ============ */
@media (max-width: 1100px) {
  .aio-capabilities-grid { grid-template-columns: repeat(4, 1fr); }
  .aio-evidence-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .aio-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .aio-hero h1 { font-size: 40px; }
  .aio-solutions-grid,
  .aio-solutions-grid.cols-2,
  .aio-solutions-grid.cols-6 { grid-template-columns: repeat(2, 1fr); }
  .aio-solution-card.card-lg { grid-column: span 2; }
  .aio-capabilities-grid { grid-template-columns: repeat(3, 1fr); }
  .aio-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .aio-philosophy-grid,
  .aio-pain-grid,
  .aio-steps,
  .aio-coop-grid { grid-template-columns: repeat(2, 1fr); }
  .aio-solution-card.card-lg .aio-solution-features { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .aio-nav { padding: 0 16px; height: 56px; }
  .aio-nav-hamburger { display: flex; }
  .aio-nav-cta { padding: 8px 14px; font-size: 13px; }
  .aio-nav-logo-text { font-size: 17px; }
  .aio-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: fixed;
    top: 56px; left: 0; right: 0; bottom: 0;
    background: #fff;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.25s, transform 0.25s;
    overflow-y: auto;
  }
  .aio-nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .aio-nav-link {
    padding: 16px 24px;
    font-size: 16px;
    border-bottom: 1px solid #F0F1F5;
    color: var(--aio-text);
  }
  .aio-nav-link::after { display: none; }

  .aio-hero { padding: 48px 16px 56px; }
  .aio-hero h1 { font-size: 27px; letter-spacing: -0.01em; }
  .aio-hero-desc { font-size: 15.5px; max-width: 100%; }
  .aio-hero-actions { flex-direction: column; }
  .aio-hero-actions .aio-btn-primary,
  .aio-hero-actions .aio-btn-secondary,
  .aio-hero-actions .aio-btn-ghost { text-align: center; display: block; }
  .aio-hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
  .aio-stat-value { font-size: 26px; }

  .aio-section { padding: 64px 20px; }
  .aio-section-title h2 { font-size: 26px; }
  .aio-section-title p { font-size: 15px; }
  .aio-cta-band { padding: 64px 20px; }
  .aio-cta-band h2 { font-size: 26px; }

  .aio-pain-grid,
  .aio-steps,
  .aio-solutions-grid,
  .aio-solutions-grid.cols-2,
  .aio-solutions-grid.cols-6,
  .aio-philosophy-grid,
  .aio-coop-grid,
  .aio-evidence-grid { grid-template-columns: 1fr; }
  .aio-solution-card.card-lg { grid-column: span 1; }
  .aio-capabilities-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .aio-capability-card { padding: 20px 12px; }

  .aio-flow-panel { padding: 28px 16px; }
  .aio-flow-box { min-width: 72px; padding: 10px 10px; font-size: 12px; }

  .aio-footer { padding: 48px 20px 24px; }
  .aio-footer-grid { grid-template-columns: 1fr; gap: 32px; }

  #stickyCta { right: 12px; bottom: 16px; }
  #stickyCta a { padding: 10px 14px; font-size: 13px; }

  .aio-modal { padding-top: 16px; }
  .aio-modal-header { padding: 28px 24px; }
  .aio-modal-header h2 { font-size: 22px; }
  .aio-modal-body { padding: 24px; }
  .aio-modal-cta { flex-direction: column; }
  .aio-modal-cta a { text-align: center; }

  .aio-solution-card.card-lg .aio-solution-features { grid-template-columns: 1fr; }
}

@media (max-width: 400px) {
  .aio-capabilities-grid { grid-template-columns: 1fr; }
  .aio-hero-stats { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   v20260923d — 按定稿 PPT 补齐新结构样式
   hero 拆字 / blocks 数据条 / flow 分层 / coop 联系 / evidence 浅色
   ============================================ */

/* ---- Hero 左右栏 + 拆字面板 ---- */
.aio-hero-left { min-width: 0; }
.aio-hero-right { min-width: 0; display: flex; align-items: center; }
.aio-brand-panel {
  width: 100%;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 26px 24px;
  backdrop-filter: blur(10px);
  box-shadow: var(--aio-shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.aio-brand-row { display: flex; align-items: flex-start; gap: 16px; }
.aio-brand-char {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  color: #fff;
  font-size: 26px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(51, 112, 255, 0.3);
}
.aio-brand-row:nth-child(2) .aio-brand-char { background: linear-gradient(135deg, #2E7D32, #4CAF50); box-shadow: 0 6px 16px rgba(46, 125, 50, 0.3); }
.aio-brand-row:nth-child(3) .aio-brand-char { background: linear-gradient(135deg, #7B1FA2, #9C27B0); box-shadow: 0 6px 16px rgba(123, 31, 162, 0.3); }
.aio-brand-row:nth-child(4) .aio-brand-char { background: linear-gradient(135deg, #E65100, #FF8F00); box-shadow: 0 6px 16px rgba(230, 81, 0, 0.3); }
.aio-brand-text {
  font-size: 13.5px;
  color: var(--aio-text-2);
  line-height: 1.65;
  padding-top: 6px;
}

/* ---- 文字型次按钮 ---- */
.aio-btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--aio-primary);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  padding: 14px 8px;
  transition: color 0.2s;
}
.aio-btn-link:hover { color: var(--aio-primary-dark); text-decoration: underline; }

/* ---- blocks：痛点三连 + 数据条 ---- */
.aio-blocks-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  max-width: 1120px;
  margin: 0 auto 32px;
  align-items: stretch;
}
.aio-blocks-pains { display: flex; flex-direction: column; gap: 16px; }
.aio-block-pain {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--aio-border);
  border-radius: var(--aio-radius);
  padding: 22px 24px;
  transition: box-shadow 0.25s, transform 0.25s;
}
.aio-block-pain:hover { box-shadow: var(--aio-shadow-lg); transform: translateY(-3px); }
.aio-block-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
}
.aio-block-num.accent { background: linear-gradient(135deg, #FF6B35, #FF8F5E); box-shadow: 0 6px 14px rgba(255, 107, 53, 0.3); }
.aio-block-num.blue { background: linear-gradient(135deg, #3370FF, #5B8DEF); box-shadow: 0 6px 14px rgba(51, 112, 255, 0.3); }
.aio-block-num.ink { background: linear-gradient(135deg, #14161C, #3A3F4C); box-shadow: 0 6px 14px rgba(20, 22, 28, 0.3); }
.aio-block-body strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  color: var(--aio-ink);
  margin-bottom: 6px;
}
.aio-block-body span {
  font-size: 14px;
  color: var(--aio-text-2);
  line-height: 1.65;
}
.aio-blocks-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.aio-block-stat {
  border-radius: var(--aio-radius);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 120px;
}
.aio-block-stat.dark {
  background: linear-gradient(160deg, #14161C 0%, #232733 100%);
  color: #fff;
  box-shadow: 0 10px 28px rgba(20, 22, 28, 0.25);
}
.aio-block-stat.outline {
  background: #fff;
  border: 1.5px solid var(--aio-border);
  color: var(--aio-ink);
}
.abs-value {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 8px;
  color: inherit;
  letter-spacing: -0.02em;
}
.abs-value .unit { font-size: 20px; font-weight: 700; }
.abs-value.accent { color: var(--aio-accent); }
.abs-value.blue { color: var(--aio-primary); }
.aio-block-stat.dark .abs-value { color: #fff; }
.aio-block-stat.dark .abs-value.accent { color: var(--aio-accent); }
.aio-block-stat.dark .abs-value.blue { color: #9DB8FF; }
.abs-label {
  font-size: 12.5px;
  line-height: 1.5;
  opacity: 0.75;
}
.aio-block-stat.outline .abs-label { color: var(--aio-text-2); opacity: 1; }
.aio-blocks-fix {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  color: #fff;
  border-radius: 14px;
  padding: 18px 28px;
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 10px 28px rgba(51, 112, 255, 0.3);
}
.aio-blocks-fix i { flex-shrink: 0; }

/* ---- 子标题 / 分组标题 ---- */
.aio-sub-title {
  max-width: 1120px;
  margin: 56px auto 24px;
  text-align: center;
}
.aio-sub-title .aio-section-tag { margin-bottom: 12px; display: inline-block; }
.aio-sub-title h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--aio-ink);
  margin: 0;
}
.aio-group-head {
  font-size: 15px;
  font-weight: 800;
  color: var(--aio-text-3);
  letter-spacing: 0.06em;
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 4px solid var(--aio-primary);
}

/* ---- flow：回环 + 分层标签 ---- */


.aio-flow-layer-label {
  font-size: 14px;
  font-weight: 800;
  color: var(--aio-ink);
  margin: 22px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--aio-accent);
  letter-spacing: 0.02em;
}
.aio-flow-card-row + .aio-flow-layer-label { margin-top: 30px; }

/* ---- 证据区浅色变体（与全站统一浅色） ---- */
.aio-evidence-grid.light .aio-evidence-card {
  background: #fff;
  border: 1px solid var(--aio-border);
  box-shadow: var(--aio-shadow);
}
.aio-evidence-grid.light .aio-evidence-card:hover {
  background: #fff;
  box-shadow: var(--aio-shadow-lg);
  border-color: rgba(51, 112, 255, 0.35);
}
.aio-evidence-grid.light .aio-evidence-value { color: var(--aio-ink); }
.aio-evidence-grid.light .aio-evidence-value.accent { color: var(--aio-accent); }
.aio-evidence-grid.light .aio-evidence-value.blue { color: var(--aio-primary); }
.aio-evidence-grid.light .aio-evidence-value .unit { color: inherit; opacity: 0.7; font-size: 18px; font-weight: 700; }
.aio-evidence-grid.light .aio-evidence-label { color: var(--aio-text-2); }
.aio-evidence-grid.light .aio-evidence-src { color: var(--aio-text-3); }
.aio-evidence-footnote.light { color: var(--aio-text-3); }

/* ---- 合作区：头部块 + 联系卡 ---- */
.aio-coop-head-block {
  max-width: 720px;
  margin: 0 auto 44px;
  text-align: center;
}
.aio-coop-head-block h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  margin: 16px 0 14px;
  line-height: 1.3;
}
.aio-coop-head-block p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.7;
}
.aio-section-tag.dark-band {
  background: rgba(255, 255, 255, 0.12);
  color: #9DB8FF;
  border-color: rgba(157, 184, 255, 0.35);
}
.aio-coop-grid.new { align-items: stretch; }
.aio-coop-contact {
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px dashed rgba(255, 255, 255, 0.28);
  border-radius: 20px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: #fff;
}
.aio-coop-contact h4 {
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  color: #fff;
}
.aio-coop-contact p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 6px;
  line-height: 1.65;
}
.aio-contact-phone,
.aio-contact-mail {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  transition: background 0.2s, border-color 0.2s;
}
.aio-contact-phone:hover,
.aio-contact-mail:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.35);
}
.aio-contact-phone i,
.aio-contact-mail i { color: #9DB8FF; }
.aio-contact-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 6px;
  background: var(--aio-accent);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(255, 107, 53, 0.4);
  transition: background 0.2s, transform 0.2s;
}
.aio-contact-cta:hover { background: var(--aio-accent-dark, #E85A24); transform: translateY(-2px); }

/* ---- 响应式补丁 ---- */
@media (max-width: 1024px) {
  .aio-blocks-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .aio-brand-panel { padding: 20px 16px; gap: 12px; }
  .aio-brand-char { width: 44px; height: 44px; font-size: 22px; border-radius: 12px; }
  .aio-brand-text { font-size: 13px; padding-top: 4px; }
  .aio-block-pain { padding: 18px 16px; gap: 14px; }
  .aio-block-num { width: 38px; height: 38px; font-size: 17px; border-radius: 10px; }
  .aio-block-body strong { font-size: 15.5px; }
  .aio-blocks-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .abs-value { font-size: 32px; }
  .aio-blocks-fix { font-size: 13.5px; padding: 14px 16px; }
  .aio-sub-title { margin-top: 40px; }
  .aio-sub-title h3 { font-size: 19px; }
  .aio-coop-head-block h2 { font-size: 24px; }
  .aio-coop-head-block p { font-size: 14.5px; }
  .aio-flow-layer-label { font-size: 13px; }
}

@media (max-width: 768px) {
  .aio-flow-return { height: 56px; margin: 0 0 20px; }
  .aio-flow-loop { top: 10px; padding: 6px 12px; font-size: 12px; }
  .aio-flow-main-wrap .aio-flow-row { gap: 4px; }
}

/* ========== layout + flowchart + logo (20260923h) ========== */
.aio-nav-logo-img {
  display: block;
  height: 34px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
}
.aio-footer-logo {
  display: block;
  height: 40px;
  width: auto;
  max-width: 170px;
  object-fit: contain;
  margin-bottom: 12px;
  /* 2026-10-01 用户反馈：footer 深色底上黑字商标看不清 →
     加白色圆角底卡，黑/红原色保留且清晰可见 */
  background: #fff;
  padding: 8px 14px;
  border-radius: 6px;
}
.aio-footer-brand .sr-brand-name {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* --- one screen per chapter (desktop) --- */
@media (min-width: 900px) {
  .aio-hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
  }
  .aio-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
    padding-top: 80px;
    padding-bottom: 80px;
  }
  /* keep natural block width for inner wrappers — do NOT force width:100% on all children */
  .aio-section-title { margin-bottom: 40px; }
  .aio-cta-band {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
  }
}

/* --- titles: no wrap / no orphan char --- */
.aio-section-title { max-width: 960px; }
.aio-section-title h2,
.aio-cta-band h2,
.aio-coop-head-block h2 {
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: normal;
  line-height: 1.35;
}
.aio-section-title h2 {
  font-size: clamp(24px, 2.5vw, 36px);
  max-width: 100%;
}

/* --- valueflow real flowchart --- */
.aio-fa {
  width: 26px;
  height: 16px;
  flex-shrink: 0;
  display: block;
  color: #8B93A7;
}
.aio-flow-row {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-bottom: 0;
}
.aio-flow-diagram {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
  margin-bottom: 0;
}
.aio-flow-diagram .aio-flow-card {
  flex: 1 1 0;
  min-width: 0;
  max-width: none;
  margin: 0;
}
.aio-row-arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: #8B93A7;
}
.aio-layer-down {
  display: flex;
  justify-content: center;
  margin: 4px 0 2px;
}
.aio-layer-down svg {
  width: 16px;
  height: 32px;
}
.fc-steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px 2px;
  text-align: center;
}
.fc-step {
  display: inline-block;
  font-size: 11px;
  line-height: 1.4;
  color: var(--aio-text-2);
  background: rgba(20, 22, 28, 0.04);
  border: 1px solid var(--aio-border);
  border-radius: 6px;
  padding: 2px 7px;
  max-width: 100%;
}
.aio-flow-card .fc-steps .aio-fa {
  width: 18px;
  height: 12px;
  color: #A0A6B5;
}
.fc-branch {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}
.fc-ok {
  border-color: #3370FF;
  color: #3370FF;
  background: #F0F5FF;
}
.fc-no {
  border-color: #FF6B35;
  color: #FF6B35;
  background: #FFF5F0;
}
.aio-flow-return {
  position: relative;
  height: 72px;
  margin: 4px 8px 12px;
  z-index: 1;
}
.aio-return-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.aio-flow-loop {
  position: absolute;
  left: 50%;
  top: 16px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  background: #3370FF;
  color: #fff;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(51, 112, 255, 0.28);
  z-index: 2;
}
.aio-flow-loop span { display: block; white-space: nowrap; }

@media (max-width: 900px) {
  .aio-flow-row { flex-wrap: wrap; gap: 8px; }
  .aio-flow-diagram { flex-wrap: wrap; }
  .aio-flow-diagram .aio-flow-card { flex: 1 1 45%; }
  .aio-row-arrow { display: none; }
  .aio-fa { width: 22px; }
  .aio-section-title h2 { font-size: 24px; }
  .aio-nav-logo-img { height: 30px; }
}

/* ========== compress-tall-chapters (20260923h) ========== */
@media (min-width: 900px) {
  /* valueflow 1.47vh */
  #valueflow { padding-top: 56px; padding-bottom: 56px; }
  #valueflow .aio-flow-panel { padding: 24px 28px 20px; margin-bottom: 0; }
  #valueflow .aio-flow-card-row { margin-bottom: 8px; }
  #valueflow .aio-flow-card { padding: 10px 12px; }
  #valueflow .fc-steps { gap: 3px 2px; }
  #valueflow .fc-step { font-size: 10.5px; padding: 1px 6px; }
  #valueflow .aio-flow-return { height: 60px; }
  #valueflow .aio-section-title { margin-bottom: 28px; }
  #valueflow .aio-flow-layer-label { margin: 12px 0 10px; }

  /* scenarios / ai 1.2x */
  #scenarios, #ai { padding-top: 64px; padding-bottom: 64px; }
  #scenarios .aio-solutions-grid, #ai .aio-solutions-grid { gap: 14px; }
  .aio-solution-header { padding: 14px 16px 10px; }
  .aio-solution-features { padding: 12px 16px 14px; gap: 0 14px; }
  .aio-solution-feature h4 { font-size: 13px !important; margin-bottom: 3px !important; }
  .aio-solution-feature p { font-size: 12.5px !important; line-height: 1.5 !important; margin-bottom: 6px !important; }
  .aio-solutions-grid { gap: 14px; }

  /* engine 1.37vh */
  #engine { padding-top: 56px; padding-bottom: 56px; }
  #engine .aio-solutions-grid { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  #engine .aio-group-head { margin-bottom: 10px; font-size: 14px; }

  /* modules 1.70vh */
  #modules { padding-top: 48px; padding-bottom: 48px; }
  #modules .aio-mod-tabs { margin-bottom: 16px; gap: 8px; }
  #modules .aio-capabilities-grid { gap: 10px; }
  #modules .aio-capability-card { padding: 14px 10px; }

  /* cooperation 1.21vh */
  #cooperation { min-height: auto; padding-top: 72px; padding-bottom: 72px; }
  .aio-coop-grid { gap: 16px; }
  .aio-coop-card { border-radius: 16px; }
}

/* ========== compress-tall-round2 ========== */
@media (min-width: 900px) {
  #valueflow { padding-top: 40px; padding-bottom: 40px; }
  #valueflow .aio-section-title { margin-bottom: 20px; }
  #valueflow .aio-section-title p { display: none; }
  #valueflow .aio-flow-panel h3 { font-size: 18px; margin-bottom: 4px; }
  #valueflow .aio-flow-sub { margin-bottom: 10px; font-size: 12.5px; }
  #valueflow .aio-flow-box { padding: 9px 12px; font-size: 13px; min-width: 76px; }
  #valueflow .aio-flow-return { height: 52px; margin-bottom: 4px; }
  #valueflow .aio-flow-loop { top: 10px; padding: 6px 14px; font-size: 12px; }
  #valueflow .aio-flow-card { padding: 8px 10px; }
  #valueflow .fc-title { font-size: 12px; margin-bottom: 3px; }
  #valueflow .aio-flow-note { margin-top: 8px; margin-bottom: 0; font-size: 12.5px; }
  #valueflow .aio-layer-down svg { height: 24px; }

  #engine { padding-top: 40px; padding-bottom: 40px; }
  #engine .aio-section-title { margin-bottom: 20px; }
  #engine .aio-solutions-grid { gap: 10px; }
  #engine .aio-solution-header { padding: 10px 12px 8px; }
  #engine .aio-solution-features { padding: 8px 12px 10px; }
  #engine .aio-solution-feature p { font-size: 12px !important; line-height: 1.45 !important; }

  #modules { padding-top: 36px; padding-bottom: 36px; }
  #modules .aio-section-title { margin-bottom: 16px; }
  #modules .aio-capability-card { padding: 12px 8px; border-radius: 10px; }
  #modules .aio-capabilities-grid { gap: 8px; }

  #cooperation { padding-top: 56px; padding-bottom: 56px; }
  #scenarios, #ai { padding-top: 56px; padding-bottom: 56px; }
}

/* ========== compress-tall-round3 ========== */
@media (min-width: 900px) {
  #ai { padding-top: 40px; padding-bottom: 40px; }
  #ai .aio-section-title { margin-bottom: 20px; }

  #engine { padding-top: 32px; padding-bottom: 32px; }
  #engine .aio-section-title { margin-bottom: 14px; }
  #engine .aio-section-title p { display: none; }
  #engine .aio-group-head { margin-bottom: 8px; font-size: 13px; }
  #engine .aio-solutions-grid { gap: 8px; }
  #engine .aio-solution-header { padding: 8px 10px 6px; }
  #engine .aio-solution-header h3 { font-size: 13px; }
  #engine .aio-solution-features { padding: 6px 10px 8px; }
  #engine .aio-solution-feature { margin-bottom: 4px; }
  #engine .aio-solution-feature h4 { font-size: 12px !important; margin-bottom: 2px !important; }
  #engine .aio-solution-feature p { font-size: 11.5px !important; line-height: 1.4 !important; margin-bottom: 4px !important; }
  #engine .aio-solution-card .aio-chip { margin-top: 4px; }

  #modules { padding-top: 28px; padding-bottom: 28px; }
  #modules .aio-section-title { margin-bottom: 12px; }
  #modules .aio-section-title p { display: none; }
  #modules .aio-mod-tabs { margin-bottom: 12px; gap: 6px; }
  #modules .aio-mod-tab { padding: 6px 12px; font-size: 13px; }
  #modules .aio-capabilities-grid { gap: 6px; }
  #modules .aio-capability-card { padding: 10px 8px; border-radius: 8px; }
  #modules .aio-capability-card h4 { font-size: 13px !important; margin-bottom: 4px !important; }
  #modules .aio-capability-card p { font-size: 12px !important; line-height: 1.4 !important; }

  #cooperation { padding-top: 40px; padding-bottom: 40px; }
  #cooperation .aio-section-title { margin-bottom: 20px; }
  #cooperation .aio-section-title p { display: none; }
  .aio-coop-grid { gap: 12px; }
  .aio-coop-card { border-radius: 14px; padding: 24px 22px !important; }
}

/* ========== compress-tall-round4 ========== */
@media (min-width: 900px) {
  /* engine: 6 cards x 7 features — force 3 cols, ultra-tight features */
  #engine { padding-top: 24px !important; padding-bottom: 24px !important; }
  #engine .aio-solutions-grid { grid-template-columns: repeat(3, 1fr); gap: 8px !important; }
  #engine .aio-group-head { margin-bottom: 6px !important; font-size: 12.5px !important; }
  #engine .aio-solution-header { padding: 6px 10px 4px !important; }
  #engine .aio-solution-header h3 { font-size: 13px !important; margin-bottom: 0 !important; }
  #engine .aio-solution-features { padding: 4px 10px 6px !important; gap: 0 10px !important; }
  #engine .aio-solution-feature { margin-bottom: 2px !important; }
  #engine .aio-solution-feature h4 { font-size: 11.5px !important; margin-bottom: 1px !important; }
  #engine .aio-solution-feature p { font-size: 11px !important; line-height: 1.35 !important; margin-bottom: 3px !important; }
  #engine .aio-solution-card .aio-chip { margin-top: 2px !important; font-size: 10.5px !important; padding: 2px 6px !important; }
  #engine .aio-section-title p { display: none !important; }

  /* modules: 25 caps — 5 cols, tiny cards */
  #modules { padding-top: 24px !important; padding-bottom: 24px !important; }
  #modules .aio-section-title { margin-bottom: 10px !important; }
  #modules .aio-section-title p { display: none !important; }
  #modules .aio-mod-tabs { margin-bottom: 10px !important; gap: 6px !important; }
  #modules .aio-mod-tab { padding: 5px 10px !important; font-size: 12.5px !important; }
  #modules .aio-capabilities-grid { grid-template-columns: repeat(5, 1fr) !important; gap: 6px !important; }
  #modules .aio-capability-card { padding: 8px 6px !important; border-radius: 8px !important; }
  #modules .aio-capability-card h4 { font-size: 12px !important; margin-bottom: 3px !important; }
  #modules .aio-capability-card p { font-size: 11px !important; line-height: 1.35 !important; margin-bottom: 0 !important; }

  /* cooperation: only 2 big cards — shrink */
  #cooperation { padding-top: 32px !important; padding-bottom: 32px !important; }
  #cooperation .aio-section-title { margin-bottom: 14px !important; }
  #cooperation .aio-section-title p { display: none !important; }
  #cooperation .aio-coop-grid { gap: 12px !important; }
  #cooperation .aio-coop-card { padding: 20px 18px !important; }
  #cooperation .aio-coop-card h3 { font-size: 20px !important; margin-bottom: 8px !important; }
  #cooperation .aio-solution-features { padding: 4px 12px 8px !important; gap: 0 14px !important; }
  #cooperation .aio-solution-feature { margin-bottom: 2px !important; }
  #cooperation .aio-solution-feature h4 { font-size: 12.5px !important; margin-bottom: 1px !important; }
  #cooperation .aio-solution-feature p { font-size: 11.5px !important; line-height: 1.4 !important; margin-bottom: 3px !important; }
  #cooperation .aio-btn { margin-top: 10px !important; padding: 8px 18px !important; font-size: 13px !important; }

  /* ai still borderline — shave */
  #ai { padding-top: 36px !important; padding-bottom: 36px !important; }
  #ai .aio-solution-feature p { font-size: 12px !important; line-height: 1.45 !important; }
  #ai .aio-solutions-grid { gap: 12px !important; }
}

/* ========== compress-tall-round5 ========== */
@media (min-width: 900px) {
  /* modules: 25 caps in 4 rows (7 cols) */
  #modules { padding-top: 20px !important; padding-bottom: 20px !important; }
  #modules .aio-section-title { margin-bottom: 8px !important; }
  #modules .aio-section-title h2 { font-size: 28px !important; }
  #modules .aio-capabilities-grid { grid-template-columns: repeat(7, 1fr) !important; gap: 6px !important; }
  #modules .aio-capability-card { padding: 6px 5px !important; }
  #modules .aio-capability-card h4 { font-size: 11.5px !important; margin-bottom: 2px !important; }
  #modules .aio-capability-card p { font-size: 10.5px !important; line-height: 1.3 !important; }

  /* cooperation: cut card internals hard */
  #cooperation { padding-top: 24px !important; padding-bottom: 24px !important; }
  #cooperation .aio-coop-head-block { height: auto !important; margin-bottom: 10px !important; }
  #cooperation .aio-coop-head-block h2 { font-size: 28px !important; margin-bottom: 6px !important; }
  #cooperation .aio-coop-head-block p { display: none !important; }
  #cooperation .aio-coop-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 10px !important; }
  #cooperation .aio-coop-card { padding: 14px 14px !important; }
  #cooperation .aio-coop-card h3 { font-size: 17px !important; margin-bottom: 4px !important; }
  #cooperation .aio-coop-card .aio-coop-price,
  #cooperation .aio-coop-card .aio-coop-tagline { font-size: 12px !important; margin-bottom: 6px !important; }
  #cooperation .aio-coop-card .aio-solution-features {
    padding: 0 !important;
    grid-template-columns: 1fr !important;
    gap: 0 !important;
    display: block !important;
  }
  #cooperation .aio-coop-card .aio-solution-feature { margin-bottom: 1px !important; }
  #cooperation .aio-coop-card .aio-solution-feature h4 {
    display: inline !important;
    font-size: 11.5px !important;
    margin-right: 6px !important;
    margin-bottom: 0 !important;
  }
  #cooperation .aio-coop-card .aio-solution-feature p {
    display: inline !important;
    font-size: 11px !important;
    line-height: 1.4 !important;
    margin-bottom: 0 !important;
  }
  #cooperation .aio-cta-actions { margin-top: 8px !important; height: auto !important; }
  #cooperation .aio-cta-actions .aio-btn { padding: 7px 16px !important; font-size: 13px !important; }
  #cooperation .aio-coop-contact { padding: 14px !important; }
}

/* ========== compress-tall-round6: last 5-10px ========== */
@media (min-width: 900px) {
  #valueflow { padding-top: 36px !important; padding-bottom: 36px !important; }
  #valueflow .aio-flow-panel { padding-top: 20px !important; padding-bottom: 16px !important; }
  #valueflow .aio-flow-return { height: 48px !important; }
  #scenarios { padding-top: 52px !important; padding-bottom: 52px !important; }
}

/* ========== title-orphan-guard (20260923m) ========== */
.aio-section-title h2,
.aio-cta-band h2,
.aio-coop-head-block h2,
.aio-hero h1 {
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: normal;
  line-break: strict;
}
/* card titles: no 1-char last line */
.fc-title,
.aio-solution-header h3,
.aio-capability-card h4,
.aio-coop-card h3,
.aio-group-head {
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: normal;
}
/* long section titles: slightly smaller so they prefer one line */
.aio-section-title h2 {
  font-size: clamp(23px, 2.45vw, 34px);
}
@media (max-width: 768px) {
  .aio-section-title h2 { font-size: 22px; text-wrap: balance; word-break: keep-all; }
}

/* ========== modules-layout-fix: balanced 5x5 independent cards ========== */
@media (min-width: 900px) {
  #modules { padding-top: 32px !important; padding-bottom: 32px !important; }
  #modules .aio-section-title { margin-bottom: 12px !important; }
  #modules .aio-section-title h2 { font-size: 30px !important; }
  #modules .aio-section-title p { display: block !important; font-size: 14px !important; margin-top: 6px !important; }
  #modules .aio-mod-tabs { margin-bottom: 14px !important; gap: 8px !important; }
  #modules .aio-mod-tab { padding: 7px 14px !important; font-size: 13px !important; }
  #modules .aio-capabilities-grid {
    grid-template-columns: repeat(5, 1fr) !important;
    gap: 12px !important;
  }
  #modules .aio-capability-card {
    padding: 18px 14px 16px !important;
    border-radius: 14px !important;
    min-height: 132px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    justify-content: flex-start !important;
    border: 1px solid rgba(20,22,28,0.06) !important;
    background: #fff !important;
    box-shadow: 0 1px 3px rgba(20,22,28,0.04) !important;
    transition: transform .2s ease, box-shadow .2s ease !important;
  }
  #modules .aio-capability-card:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 20px rgba(20,22,28,0.1) !important;
  }
  #modules .aio-capability-icon {
    width: 40px !important;
    height: 40px !important;
    margin-bottom: 10px !important;
    border-radius: 12px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 18px !important;
  }
  #modules .aio-capability-card h4,
  #modules .aio-capability-card h3 {
    font-size: 14px !important;
    font-weight: 700 !important;
    margin: 0 0 6px 0 !important;
    line-height: 1.35 !important;
    color: #14161C !important;
    text-wrap: balance !important;
    word-break: keep-all !important;
  }
  #modules .aio-capability-card p {
    font-size: 12px !important;
    line-height: 1.45 !important;
    margin: 0 !important;
    color: #5C6478 !important;
    text-wrap: balance !important;
    word-break: keep-all !important;
    overflow-wrap: normal !important;
  }
}

/* valueflow lower layers: independent card rows, equal columns, no flow look */
@media (min-width: 900px) {
  #valueflow .aio-indep-grid {
    display: grid !important;
    grid-template-columns: repeat(5, 1fr) !important;
    gap: 12px !important;
    margin-bottom: 8px !important;
  }
  #valueflow .aio-indep-grid .aio-flow-card {
    margin: 0 !important;
    width: 100% !important;
    max-width: none !important;
    box-sizing: border-box !important;
    min-height: 0 !important;
  }
  /* second indep row has 4 cards */
  #valueflow .aio-indep-grid + .aio-indep-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }
}

/* ========== modules-layout-tight: keep 5x5 look, fit 1vh ========== */
@media (min-width: 900px) {
  #modules { padding-top: 24px !important; padding-bottom: 24px !important; }
  #modules .aio-section-title { margin-bottom: 8px !important; }
  #modules .aio-section-title h2 { font-size: 26px !important; margin-bottom: 0 !important; }
  #modules .aio-section-title p { font-size: 13px !important; margin-top: 4px !important; margin-bottom: 0 !important; }
  #modules .aio-mod-tabs { margin-bottom: 10px !important; gap: 6px !important; }
  #modules .aio-mod-tab { padding: 5px 11px !important; font-size: 12.5px !important; }
  #modules .aio-capabilities-grid { gap: 8px !important; }
  #modules .aio-capability-card {
    padding: 12px 10px 10px !important;
    min-height: 108px !important;
    border-radius: 12px !important;
  }
  #modules .aio-capability-icon {
    width: 34px !important;
    height: 34px !important;
    margin-bottom: 6px !important;
    border-radius: 10px !important;
    font-size: 16px !important;
  }
  #modules .aio-capability-card h4,
  #modules .aio-capability-card h3 {
    font-size: 13px !important;
    margin-bottom: 4px !important;
    line-height: 1.3 !important;
  }
  #modules .aio-capability-card p {
    font-size: 11px !important;
    line-height: 1.35 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }
}

/* ============================================================
   站点弹窗（免费试用 / 留资 / 抖音码）
   ============================================================ */
#aioSiteModal { z-index: 10001; }
.aio-site-content {
  max-width: 560px; width: calc(100% - 40px);
  overflow-y: auto; user-select: text; -webkit-user-select: text;
}
.aio-site-header {
  padding: 26px 30px 20px; flex: 0 0 auto;
  background: linear-gradient(135deg, #FF6B35, #FF8F5E);
}
.aio-site-header h2 { font-size: 22px; font-weight: 700; margin: 0 0 6px; color: #fff; }
.aio-site-header p { font-size: 13px; color: rgba(255,255,255,.92); margin: 0; line-height: 1.6; }
.aio-site-body { padding: 24px 30px 30px; }

/* 试用：有无账号分叉 */
.aio-ask { text-align: center; padding: 4px 0; }
.aio-ask-q { font-size: 16px; font-weight: 600; color: #1a1a2e; margin-bottom: 6px; }
.aio-ask-sub { font-size: 13px; color: #8b95a5; margin-bottom: 20px; line-height: 1.6; }
.aio-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.aio-choice-card {
  border: 1.5px solid #e8ebf0; border-radius: 12px; padding: 18px 14px;
  cursor: pointer; background: #fff; transition: all .2s; text-align: center;
}
.aio-choice-card:hover { border-color: #FF6B35; box-shadow: 0 6px 20px rgba(255,107,53,.14); transform: translateY(-2px); }
.aio-choice-ico { font-size: 26px; line-height: 1; margin-bottom: 8px; }
.aio-choice-t { font-size: 14px; font-weight: 700; color: #1a1a2e; margin-bottom: 4px; }
.aio-choice-d { font-size: 11.5px; color: #98a2b3; line-height: 1.5; }

/* 表单 */
.aio-field { margin-bottom: 14px; }
.aio-field label { display: block; font-size: 12.5px; font-weight: 600; color: #374151; margin-bottom: 6px; }
.aio-field .aio-tip { font-size: 11px; color: #98a2b3; margin-top: 5px; line-height: 1.5; }
.aio-input {
  width: 100%; box-sizing: border-box; padding: 11px 13px; font-size: 14px;
  border: 1.5px solid #e3e6ec; border-radius: 9px; outline: none;
  font-family: inherit; transition: border-color .2s, box-shadow .2s; background: #fff; color: #1a1a2e;
}
.aio-input:focus { border-color: #FF6B35; box-shadow: 0 0 0 3px rgba(255,107,53,.12); }
.aio-input::placeholder { color: #b6bec9; }
textarea.aio-input { resize: vertical; min-height: 88px; line-height: 1.6; }
.aio-code-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.aio-btn-code {
  padding: 11px 16px; font-size: 13px; font-weight: 600; border-radius: 9px; cursor: pointer;
  border: 1.5px solid #FF6B35; background: #fff; color: #FF6B35; white-space: nowrap;
  font-family: inherit; transition: all .2s;
}
.aio-btn-code:hover:not(:disabled) { background: #FFF3ED; }
.aio-btn-code:disabled { opacity: .55; cursor: not-allowed; border-color: #d5d9e0; color: #9aa3af; }
.aio-submit {
  width: 100%; padding: 13px; font-size: 15px; font-weight: 700; border: none; border-radius: 10px;
  background: linear-gradient(135deg, #FF6B35, #FF8F5E); color: #fff; cursor: pointer;
  font-family: inherit; margin-top: 6px; transition: all .2s; box-shadow: 0 4px 14px rgba(255,107,53,.28);
}
.aio-submit:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 7px 20px rgba(255,107,53,.36); }
.aio-submit:disabled { opacity: .6; cursor: not-allowed; }
.aio-msg { font-size: 12.5px; margin-top: 10px; line-height: 1.6; min-height: 18px; }
.aio-back { display: inline-block; font-size: 12.5px; color: #8b95a5; cursor: pointer; margin-top: 14px; text-decoration: none; }
.aio-back:hover { color: #FF6B35; }
.aio-fineprint { font-size: 11px; color: #a3abb8; text-align: center; margin-top: 14px; line-height: 1.6; }

/* 结果页 */
.aio-result { text-align: center; padding: 6px 0 2px; }
.aio-result-ico { font-size: 44px; line-height: 1; margin-bottom: 12px; }
.aio-result-t { font-size: 17px; font-weight: 700; color: #1a1a2e; margin-bottom: 8px; }
.aio-result-d { font-size: 13px; color: #6b7280; line-height: 1.75; }
.aio-result-d b { color: #FF6B35; }

/* 抖音码 */
.aio-qr-wrap { text-align: center; }
.aio-qr-img { width: 252px; max-width: 100%; display: block; margin: 0 auto; border-radius: 12px; box-shadow: 0 8px 26px rgba(0,0,0,.14); }
.aio-qr-id {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px;
  background: #f5f7fa; border: 1px solid #e6eaf0; border-radius: 9px; padding: 9px 14px;
  font-size: 13.5px; color: #374151; font-weight: 600;
}
.aio-qr-id code { font-size: 13.5px; letter-spacing: .5px; color: #1a1a2e; }
.aio-qr-copy { font-size: 11.5px; color: #FF6B35; cursor: pointer; font-weight: 600; }
.aio-qr-copy:hover { text-decoration: underline; }
.aio-qr-hint { font-size: 12px; color: #98a2b3; margin-top: 14px; line-height: 1.7; }

@media (max-width: 560px) {
  .aio-site-header { padding: 22px 20px 16px; }
  .aio-site-body { padding: 18px 20px 24px; }
  .aio-choice { grid-template-columns: 1fr; }
}

/* ============================================================
   翻页模式：右侧页码（桌面端）+ ↓/↑ 键盘翻页
   2026-10-01 用户要求：滚动保持流畅（去掉 scroll-snap 吸附），
   按 ↓/↑ 键翻到上一屏/下一屏。
   低于 990px 宽 或 720px 高：自动降级为普通滚动，避免内容被裁
   最后一页（合作模式 + 页脚）保持原样，不做特殊排布
   ============================================================ */
.aio-pager { display: none; }

@media (min-width: 990px) and (min-height: 720px) {

  .aio-pager {
    display: flex; flex-direction: column; align-items: center; gap: 11px;
    position: fixed; right: 18px; top: 50%; transform: translateY(-50%);
    z-index: 9000;
  }
  .aio-pager-dot {
    width: 10px; height: 10px; border-radius: 6px; border: none; padding: 0;
    background: rgba(26, 26, 46, 0.2); cursor: pointer;
    transition: height .25s ease, background .25s ease, transform .2s ease;
    position: relative;
  }
  .aio-pager-dot:hover { background: rgba(255, 107, 53, 0.6); transform: scale(1.2); }
  .aio-pager-dot.active { background: #FF6B35; height: 24px; }
  .aio-pager-label {
    position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
    white-space: nowrap; font-size: 12px; font-weight: 600; color: #fff;
    background: rgba(26, 26, 46, 0.86); padding: 5px 10px; border-radius: 7px;
    opacity: 0; pointer-events: none; transition: opacity .2s; line-height: 1.4;
  }
  .aio-pager-dot:hover .aio-pager-label { opacity: 1; }

  /* 深色区块上页码要看得见 */
  .aio-pager.on-dark .aio-pager-dot { background: rgba(255, 255, 255, 0.32); }
  .aio-pager.on-dark .aio-pager-dot:hover { background: rgba(255, 107, 53, 0.8); }
  .aio-pager.on-dark .aio-pager-dot.active { background: #FF6B35; }
}

@media (min-width: 990px) and (min-height: 720px) and (max-width: 1280px) {
  .aio-pager { right: 8px; }
}