/* ============================================================
   Family OS 官网样式
   色板与 App 品牌系统一致（仓库 ParentOS/Resources/Assets.xcassets）：
   品牌紫 #4B3CC5 / 暖背景 #F7F6F2 / 深紫 #30274F / 暖金 #F4C77F
   ============================================================ */

:root {
  --bg: #F7F6F2;
  --bg-alt: #F1EFE9;
  --surface: #FFFFFF;
  --text: #262339;
  --muted: #686276;
  --line: #E5E2EA;
  --accent: #4B3CC5;
  --on-accent: #FFFFFF;
  --accent-soft: #EDE9FA;
  --accent-deep: #3A2EA0;
  --hero-bg: #30274F;
  --hero-text: #F6F2FD;
  --hero-muted: #D7CEE9;
  --hero-line: #635581;
  --warm: #F4C77F;
  --warm-deep: #B97A1E;
  --success: #25745F;
  --success-soft: #E3F0E9;
  --amber: #8A560C;
  --amber-soft: #F9EDDA;
  --danger: #B63E55;
  --danger-soft: #F9E4E8;
  --icon-blue: #376BCF;
  --shadow-sm: 0 1px 2px rgba(38, 35, 57, .05), 0 4px 16px rgba(38, 35, 57, .06);
  --shadow-md: 0 2px 6px rgba(38, 35, 57, .06), 0 16px 40px rgba(38, 35, 57, .12);
  --shadow-lg: 0 4px 12px rgba(38, 35, 57, .08), 0 32px 80px rgba(38, 35, 57, .18);
  --radius: 18px;
  --radius-lg: 28px;
  --container: 1120px;
}

/* 官网仅使用浅色主题；品牌色与 App 浅色基线一致。 */

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

section[id] { scroll-margin-top: 76px; }

img, svg { display: block; }
/* 内联线条图标：统一 24 viewBox / 2px 描边，几何居中不依赖字体度量 */
svg.ic { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
strong { font-weight: 650; }
code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: .85em;
  background: rgba(127, 110, 220, .14);
  border-radius: 6px;
  padding: 2px 7px;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 8px 20px rgba(75, 60, 197, .28);
}
.btn-primary:hover { background: var(--accent-deep); box-shadow: 0 10px 26px rgba(75, 60, 197, .36); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 9px 18px; font-size: 14.5px; }
.btn-lg { padding: 15px 30px; font-size: 17px; }

/* ---------------- 导航 ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: saturate(1.6) blur(18px);
  backdrop-filter: saturate(1.6) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.nav.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(38, 35, 57, .06);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(55, 107, 207, .3);
  flex: none;
  display: block;
  object-fit: cover;
}
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -.01em; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a {
  font-size: 15px;
  font-weight: 550;
  color: var(--muted);
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--accent); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 0;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .55;
  pointer-events: none;
}
.hero-glow-a {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(75, 60, 197, .22), transparent 65%);
  top: -160px; left: -120px;
}
.hero-glow-b {
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(244, 199, 127, .28), transparent 65%);
  top: 60px; right: -180px;
}
.hero-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
.hero-copy {
  padding: 28px 0 0;
  text-align: center;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
}
.pill-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(75, 60, 197, .35); }
  50% { box-shadow: 0 0 0 6px rgba(75, 60, 197, 0); }
}
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 800;
  margin-bottom: 20px;
}
.hero-sub {
  color: var(--muted);
  font-size: clamp(16.5px, 1.6vw, 19px);
  max-width: 36em;
  margin-bottom: 30px;
}
.hero-sub strong { color: var(--text); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 550;
}
.hero-trust li { display: flex; align-items: center; gap: 7px; }
.hero-trust svg { width: 15px; height: 15px; color: var(--accent); flex: none; }

/* hero 手机 */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 8px 0 72px;
}
.phone {
  width: 340px;
  border-radius: 52px;
  background: #14121C;
  padding: 10px;
  box-shadow: var(--shadow-lg), inset 0 0 0 2px rgba(255, 255, 255, .08);
  animation: float 7s ease-in-out infinite;
  position: relative;
  z-index: 2;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.phone-notch {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 26px;
  background: #14121C;
  border-radius: 999px;
  z-index: 5;
}
.phone-screen {
  background: #F7F6F2;
  border-radius: 42px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: #262339;
  font-size: 13px;
  line-height: 1.45;
  min-height: 700px;
}

/* 手机内 App UI（固定浅色，不随站点主题切换） */
.m-statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px 6px;
  font-size: 13px;
  font-weight: 700;
}
.m-status-icons {
  width: 54px;
  height: 12px;
  display: block;
  color: #262339;
}
.m-today-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 10px 20px 12px;
  gap: 8px;
}
.m-today-title h3 { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }
.m-today-title p { font-size: 12px; color: #686276; margin-top: 1px; }
.m-head-actions { display: flex; gap: 6px; align-items: center; }
.m-chip-child {
  background: #EDE9FA;
  color: #4B3CC5;
  font-size: 11.5px;
  font-weight: 650;
  padding: 6px 11px;
  border-radius: 999px;
  white-space: nowrap;
}
.m-chip-add {
  background: #4B3CC5;
  color: #fff;
  font-size: 11.5px;
  font-weight: 650;
  padding: 6px 11px;
  border-radius: 999px;
  white-space: nowrap;
}
.m-next-card {
  margin: 2px 16px 10px;
  background: #30274F;
  border-radius: 16px;
  padding: 13px 16px;
  display: flex;
  gap: 14px;
  align-items: center;
  box-shadow: 0 8px 20px rgba(48, 39, 79, .28);
}
.m-next-time {
  font-size: 25px;
  font-weight: 800;
  color: #F4C77F;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.m-next-body { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.m-next-body strong { color: #F6F2FD; font-size: 14.5px; font-weight: 700; }
.m-next-body span { color: #D7CEE9; font-size: 11.5px; }
.m-next-body em {
  font-style: normal;
  color: #F4C77F;
  font-size: 11px;
  font-weight: 650;
  margin-top: 3px;
}
.m-change-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 16px 14px;
  background: #F9EDDA;
  border: 1px solid #EED9B4;
  color: #8A560C;
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 11.5px;
  font-weight: 600;
}
.m-change-icon { display: inline-flex; flex: none; }
.m-change-icon svg { width: 13px; height: 13px; }
.m-change-text { flex: 1; min-width: 0; }
.m-change-link { font-weight: 700; white-space: nowrap; }
.m-section { margin: 0 16px 12px; }
.m-section-head {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin-bottom: 6px;
}
.m-section-head h4 { font-size: 13px; font-weight: 750; letter-spacing: .01em; }
.m-section-head span {
  font-size: 11px;
  color: #686276;
  background: #ECEAE4;
  border-radius: 999px;
  padding: 1px 8px;
  font-weight: 650;
}
.m-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid #E5E2EA;
  border-radius: 13px;
  padding: 9px 12px;
  margin-bottom: 6px;
}
.m-row-time {
  font-size: 12.5px;
  font-weight: 750;
  color: #4B3CC5;
  font-variant-numeric: tabular-nums;
  min-width: 36px;
}
.m-row-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.m-row-body strong { font-size: 12.5px; font-weight: 700; }
.m-row-body span { font-size: 11px; color: #686276; }
.m-row-state {
  font-size: 10.5px;
  color: #686276;
  font-weight: 650;
  white-space: nowrap;
}
.m-row-state.done { opacity: .55; }
.m-check {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid #C9C4D4;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 12px;
  line-height: 1;
  flex: none;
}
.m-check.on { background: #25745F; border-color: #25745F; }
.strike { text-decoration: line-through; color: #686276; }
.m-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.m-chip {
  background: #EDE9FA;
  color: #4B3CC5;
  font-size: 11.5px;
  font-weight: 650;
  padding: 7px 12px;
  border-radius: 999px;
}
.m-tabbar {
  margin-top: auto;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 12px 8px 20px;
  border-top: 1px solid #E5E2EA;
  background: rgba(255, 255, 255, .88);
  font-size: 11.5px;
  font-weight: 650;
  color: #8E88A0;
}
.m-tab.active { color: #4B3CC5; }
.m-badge {
  font-style: normal;
  background: #B63E55;
  color: #fff;
  font-size: 9.5px;
  min-width: 16px;
  height: 16px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  padding: 0 4px;
}
/* Tab 图标（内联 SVG） */
.m-tab { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.m-tab svg { width: 22px; height: 22px; }
.m-tab-label { display: inline-flex; align-items: center; gap: 5px; }

.hero-float-card {
  position: absolute;
  z-index: 3;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  padding: 10px 15px;
  font-size: 13px;
  font-weight: 650;
  color: var(--text);
  white-space: nowrap;
}
.hero-float-a { left: -8px; top: 120px; animation: float 8s ease-in-out infinite; }
.hero-float-b { right: -14px; bottom: 140px; animation: float 8s 1.2s ease-in-out infinite; }

/* hero 底部滚动条 */
.hero-strip {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  overflow: hidden;
}
.hero-strip-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 15px 24px;
  display: flex;
  gap: 40px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
}

/* ---------------- 通用区块 ---------------- */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.eyebrow {
  font-size: 13.5px;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.eyebrow-light { color: var(--warm); }
h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.22;
  letter-spacing: -.02em;
  font-weight: 800;
}
.section-sub { color: var(--muted); margin-top: 16px; font-size: 17px; }
.section-sub strong { color: var(--text); }
.br-mobile { display: none; }

/* ---------------- 三步闭环 ---------------- */
.loop {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 44px 1fr 44px 1fr;
  gap: 0;
  align-items: stretch;
}
.loop-step { display: flex; flex-direction: column; }
.loop-badge {
  width: 44px; height: 44px;
  border-radius: 14px;
  background: var(--accent);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
  margin: 0 auto 14px;
  box-shadow: 0 8px 18px rgba(75, 60, 197, .3);
}
.loop-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.loop-tag { font-size: 12.5px; font-weight: 750; color: var(--accent); letter-spacing: .06em; margin-bottom: 6px; }
.loop-panel h3 { font-size: 21px; font-weight: 800; letter-spacing: -.01em; margin-bottom: 8px; }
.loop-desc {
  color: var(--muted);
  font-size: 14.5px;
  margin-bottom: 18px;
  max-width: 30em;
  margin-left: auto;
  margin-right: auto;
}
.loop-desc strong { color: var(--text); }
.loop-arrow {
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 22px;
  font-weight: 700;
  padding-top: 190px;
}

/* 微信聊天 mock */
.chat-mock {
  background: #F2F1EC;
  border: 1px solid #E2E0D8;
  border-radius: 16px;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.chat-title {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: #262339;
  padding: 9px 12px;
  background: #EDEDE8;
  border-bottom: 1px solid #E2E0D8;
}
.chat-bubble-row {
  display: flex;
  gap: 9px;
  padding: 14px 12px 6px;
  align-items: flex-start;
}
.chat-avatar {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: #C8CBD4;
  color: #4A4E58;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  flex: none;
}
.chat-bubble {
  background: #FFFFFF;
  border-radius: 3px 12px 12px 12px;
  padding: 9px 12px 7px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .07);
  max-width: 88%;
}
.chat-name { display: block; font-size: 10.5px; color: #8A8A94; margin-bottom: 3px; }
.chat-bubble p { font-size: 12px; color: #262339; line-height: 1.62; }
.chat-bubble strong { color: #0F6CBF; font-weight: 700; }
.chat-time { display: block; text-align: right; font-size: 9.5px; color: #B0B0B8; margin-top: 3px; }
.chat-input {
  margin-top: auto;
  background: #F7F6F4;
  border-top: 1px solid #E2E0D8;
  padding: 9px 12px 11px;
  font-size: 11.5px;
  color: #A6A6AE;
}

/* 核对页 mock（闭环内精简版） */
.review-mock {
  background: #F7F6F2;
  border: 1px solid #E5E2EA;
  border-radius: 16px;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: #262339;
}
.rm-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px;
  background: #F7F6F2;
  border-bottom: 1px solid #E5E2EA;
}
.rm-head strong { font-size: 13.5px; font-weight: 750; }
.rm-back, .rm-more { color: #4B3CC5; font-weight: 650; font-size: 12.5px; }
.rm-more { font-size: 16px; letter-spacing: .05em; }
.rm-source {
  display: flex;
  gap: 10px;
  align-items: center;
  background: #FFFFFF;
  margin: 10px 12px 4px;
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid #E5E2EA;
}
.rm-thumb {
  width: 40px; height: 40px;
  border-radius: 9px;
  flex: none;
  background: linear-gradient(135deg, #7A90C9, #AFC0E3 55%, #DCE4F5);
}
.rm-src-body { display: flex; flex-direction: column; }
.rm-src-body strong { font-size: 12px; }
.rm-src-body span { font-size: 10.5px; color: #686276; }
.rm-item {
  background: #FFFFFF;
  border: 1px solid #E5E2EA;
  border-radius: 12px;
  padding: 10px 12px;
  margin: 6px 12px 0;
}
.rm-item-head { display: flex; align-items: center; gap: 7px; }
.rm-item-head strong { font-size: 12.5px; flex: 1; min-width: 0; }
.rm-kind {
  font-size: 9.5px;
  font-weight: 750;
  padding: 2px 7px;
  border-radius: 5px;
  flex: none;
}
.kind-schedule { background: #EDE9FA; color: #4B3CC5; }
.kind-action { background: #E3F0E9; color: #25745F; }
.rm-switch {
  width: 34px; height: 21px;
  border-radius: 999px;
  background: #D8D4E2;
  position: relative;
  transition: background .2s ease;
  flex: none;
}
.rm-switch.on { background: #25745F; }
.rm-switch i {
  position: absolute;
  top: 2.5px; left: 2.5px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .25);
  transition: transform .2s ease;
}
.rm-switch.on i { transform: translateX(13px); }
.rm-meta { font-size: 10.5px; color: #686276; margin-top: 2px; }
.rm-quote {
  font-size: 10.5px;
  color: #5C5570;
  background: #F4F1EA;
  border-left: 3px solid #C9A45C;
  border-radius: 0 7px 7px 0;
  padding: 4px 8px;
  margin-top: 6px;
  line-height: 1.5;
}
.rm-cta {
  margin: 12px 12px 14px;
  background: linear-gradient(135deg, #4B3CC5, #6A58D8);
  color: #fff;
  text-align: center;
  font-weight: 750;
  font-size: 12.5px;
  border-radius: 12px;
  padding: 11px;
}

/* 迷你 Today mock */
.mini-today {
  background: #F7F6F2;
  border: 1px solid #E5E2EA;
  border-radius: 16px;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  color: #262339;
  font-size: 12px;
}
.mt-head {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 14px 16px 10px;
}
.mt-head strong { font-size: 19px; font-weight: 800; }
.mt-head span { font-size: 10.5px; color: #686276; }
.mt-next {
  display: flex;
  gap: 12px;
  align-items: center;
  background: #30274F;
  margin: 0 12px 12px;
  border-radius: 13px;
  padding: 11px 14px;
}
.mt-time {
  color: #F4C77F;
  font-size: 19px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.mt-next div { display: flex; flex-direction: column; }
.mt-next strong { color: #F6F2FD; font-size: 12.5px; }
.mt-next span { color: #F4C77F; font-size: 10px; font-weight: 650; }
.mt-list { display: flex; flex-direction: column; gap: 6px; padding: 0 12px; }
.mt-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  background: #fff;
  border: 1px solid #E5E2EA;
  border-radius: 11px;
  padding: 9px 12px;
  font-size: 11.5px;
  font-weight: 600;
}
.mt-list i { font-style: normal; color: var(--muted); display: inline-flex; flex: none; }
.mt-list i svg { width: 15px; height: 15px; }
.mt-list span { color: #686276; font-weight: 500; }
.mt-tabs {
  margin-top: auto;
  display: flex;
  justify-content: space-around;
  padding: 11px;
  border-top: 1px solid #E5E2EA;
  background: rgba(255, 255, 255, .9);
  font-size: 10.5px;
  font-weight: 700;
  color: #8E88A0;
}
.mt-tabs span:first-child { color: #4B3CC5; }

/* ---------------- 功能模块 ---------------- */
.feature {
  max-width: var(--container);
  margin: 0 auto 88px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature:last-child { margin-bottom: 0; }
.feature-flip .feature-copy { order: 2; }
.feature-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .08em;
  color: var(--accent);
  margin-bottom: 12px;
}
.feature-eyebrow svg { width: 15px; height: 15px; }
.feature-copy h3 {
  font-size: clamp(23px, 2.4vw, 28px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.015em;
  margin-bottom: 12px;
}
.feature-desc { color: var(--muted); margin-bottom: 24px; }
.feature-desc strong { color: var(--text); }

/* 3 列居中小 feature 卡（parentos 风格） */
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mini-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px 14px 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 1px 3px rgba(38, 35, 57, .05);
}
.mini-ic {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: var(--accent-soft);
  margin-bottom: 10px;
}
.mini-ic svg { width: 19px; height: 19px; }
.mini-card strong { font-size: 15px; margin-bottom: 3px; letter-spacing: -.01em; }
.mini-card > span { color: var(--muted); font-size: 13px; line-height: 1.55; }

.feature-visual { display: flex; justify-content: center; }

/* mock 渐变底板（parentos feature-visual 风格） */
.visual-panel {
  width: 100%;
  border-radius: 28px;
  padding: 48px 40px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.vp-warm  { background: linear-gradient(135deg, #FBEFE1 0%, #F7E8D2 100%); }
.vp-lilac { background: linear-gradient(135deg, #EDE9FA 0%, #E2DCF5 100%); }
.vp-amber { background: linear-gradient(135deg, #F9EDDA 0%, #F4E2C3 100%); }
.vp-sage  { background: linear-gradient(135deg, #E7F0E9 0%, #DCEBE1 100%); }
.vp-rose  { background: linear-gradient(135deg, #F5E9F0 0%, #EFDEEA 100%); }
.visual-panel > * { max-width: 100%; }
.sm-caption {
  text-align: center;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  margin-top: 12px;
}

/* 分享面板 mock */
.share-mock { display: flex; flex-direction: column; align-items: center; width: 100%; max-width: 380px; }
.sm-sheet {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px 18px 16px;
  box-shadow: var(--shadow-md);
}
.sm-title { text-align: center; font-size: 13px; font-weight: 700; color: var(--muted); margin-bottom: 16px; }
.sm-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  justify-items: center;
}
.sm-app {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  color: var(--muted);
}
.sm-app svg { width: 22px; height: 22px; }
.sm-app.active {
  color: var(--accent);
  background: var(--surface);
  outline: 2.5px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 6px 16px rgba(75, 60, 197, .3);
}
.sm-hint { text-align: center; font-size: 12.5px; color: var(--accent); font-weight: 650; margin-top: 16px; }

/* 截图 → 安排 mock */
.ocr-mock { width: 100%; max-width: 400px; }
.ocr-shot {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px 16px;
}
.ocr-shot-tag {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 10px;
}
.ocr-thumb {
  height: 84px;
  border-radius: 10px;
  background:
    repeating-linear-gradient(180deg, rgba(122, 144, 201, .45) 0 9px, transparent 9px 16px),
    linear-gradient(135deg, #7A90C9, #DCE4F5);
}
.ocr-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13.5px;
  font-weight: 650;
  padding: 14px 0;
}
.ocr-flow svg { width: 16px; height: 16px; }
.ocr-result { display: flex; flex-direction: column; gap: 8px; }
.ocr-result span {
  display: flex;
  align-items: center;
  gap: 11px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  border-radius: 12px;
  padding: 12px 14px;
}
.ocr-result svg { width: 17px; height: 17px; color: var(--accent); flex: none; }

/* 变更检测 mock */
.change-mock { width: 100%; max-width: 400px; }
.cm-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow-md);
}
.cm-head { font-size: 12.5px; font-weight: 750; color: var(--muted); margin-bottom: 14px; }
.cm-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: var(--bg);
}
.cm-what { display: flex; align-items: baseline; gap: 8px; margin-bottom: 12px; }
.cm-what strong { font-size: 16px; }
.cm-what span {
  font-size: 11px;
  color: var(--amber);
  background: var(--amber-soft);
  font-weight: 700;
  border-radius: 6px;
  padding: 2px 8px;
}
.cm-diff {
  display: grid;
  grid-template-columns: 1fr 28px 1fr;
  gap: 6px;
  align-items: center;
  margin-bottom: 14px;
}
.cm-old, .cm-new {
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12.5px;
  font-weight: 650;
  text-align: center;
  line-height: 1.5;
}
.cm-old {
  background: var(--danger-soft);
  color: var(--danger);
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
}
.cm-new {
  background: var(--success-soft);
  color: var(--success);
  border: 1.5px solid color-mix(in srgb, var(--success) 35%, transparent);
}
.cm-arrow { text-align: center; color: var(--muted); font-weight: 800; line-height: 1; }
.cm-actions { display: flex; gap: 8px; }
.cm-btn {
  flex: 1;
  text-align: center;
  border-radius: 10px;
  padding: 9px 0;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--line);
  color: var(--muted);
}
.cm-btn.primary { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.cm-quote {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
  background: var(--bg);
  border-left: 3px solid var(--warm);
  border-radius: 0 8px 8px 0;
  padding: 8px 12px;
  line-height: 1.6;
}

/* 多孩子 + Widget mock */
.kids-mock {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 400px;
}
.kid-card {
  display: flex;
  align-items: center;
  gap: 13px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.kid-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 19px;
  font-weight: 750;
  line-height: 1;
  color: #fff;
  flex: none;
}
.ka-a { background: linear-gradient(135deg, #4B3CC5, #7A68E8); }
.ka-b { background: linear-gradient(135deg, #C7794F, #E8A87C); }
.kid-body { flex: 1; display: flex; flex-direction: column; }
.kid-body strong { font-size: 15.5px; }
.kid-body span { font-size: 12px; color: var(--muted); }
.kid-week { display: flex; gap: 7px; align-items: center; }
.kid-week i {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--muted) 18%, transparent);
}
.kid-week i.has-a { background: var(--accent); }
.kid-week i.has-b { background: var(--success); }
.widget-mock {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px 18px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.widget-mock::before {
  content: "桌面小组件";
  position: absolute;
  top: -11px;
  left: 16px;
  font-size: 11px;
  font-weight: 750;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: 999px;
  padding: 2px 10px;
}
.wg-head {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 750;
  color: var(--muted);
  margin-bottom: 10px;
}
.wg-date { color: var(--accent); }
.wg-next {
  background: var(--hero-bg);
  border-radius: 13px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 10px;
}
.wg-next strong { color: var(--hero-text); font-size: 15px; }
.wg-next span { color: var(--warm); font-size: 11.5px; font-weight: 650; }
.wg-meta { display: flex; gap: 8px; }
.wg-meta span {
  flex: 1;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 7px 0;
}

/* 家庭 mock */
.family-mock { width: 100%; max-width: 400px; }
.fm-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--shadow-md);
}
.fm-title { font-size: 16px; font-weight: 800; margin-bottom: 16px; }
.fm-members { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
.fm-member { display: flex; align-items: center; gap: 12px; font-size: 14.5px; font-weight: 650; }
.fm-ring {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 16px;
  line-height: 1;
  flex: none;
}
.r-dad { background: linear-gradient(135deg, #4B3CC5, #7A68E8); color: #fff; }
.r-dad::after { content: "爸"; }
.r-mom { background: linear-gradient(135deg, #B25E7A, #D8919F); color: #fff; }
.r-mom::after { content: "妈"; }
.r-none { background: var(--accent-soft); color: var(--accent); font-weight: 800; font-size: 18px; }
.fm-invite { color: var(--accent); }
.fm-code {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 13px;
  padding: 12px 14px;
  margin-bottom: 14px;
}
.fm-code-label { font-size: 12px; color: var(--muted); font-weight: 650; }
.fm-code-value {
  flex: 1;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text);
}
.fm-code-btn {
  background: #07C160;
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 999px;
  padding: 7px 13px;
  white-space: nowrap;
}
.fm-sync { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12.5px; font-weight: 600; }
.fm-sync-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 25%, transparent);
}

/* ---------------- AI 原则（深紫区） ---------------- */
.section-hero {
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(244, 199, 127, .13), transparent 60%),
    radial-gradient(700px 420px at 0% 110%, rgba(122, 104, 232, .25), transparent 60%),
    var(--hero-bg);
  color: var(--hero-text);
}
.on-hero { color: var(--hero-text); }
.on-hero-sub { color: var(--hero-muted); }
.on-hero-sub strong { color: #F4C77F; }
.ai-grid {
  max-width: var(--container);
  margin: 0 auto 56px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.ai-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(246, 242, 253, .12);
  border-radius: var(--radius);
  padding: 24px 22px;
  transition: transform .2s ease, background .2s ease;
}
.ai-card:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .08); }
.ai-icon { color: #F4C77F; display: inline-flex; margin-bottom: 12px; }
.ai-icon svg { width: 26px; height: 26px; }
.ai-card h3 { font-size: 16.5px; font-weight: 750; margin-bottom: 8px; color: var(--hero-text); }
.ai-card p { font-size: 13.5px; color: var(--hero-muted); line-height: 1.65; }
.ai-card code { background: rgba(244, 199, 127, .16); color: #F4C77F; }

.compare {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.compare-col {
  border-radius: var(--radius);
  padding: 26px 28px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(246, 242, 253, .1);
}
.compare-us {
  background: rgba(244, 199, 127, .1);
  border-color: rgba(244, 199, 127, .4);
}
.compare-title { font-size: 15px; font-weight: 800; margin-bottom: 14px; color: var(--hero-muted); }
.compare-us .compare-title { color: #F4C77F; }
.compare-col ul { display: flex; flex-direction: column; gap: 10px; }
.compare-col li {
  font-size: 14.5px;
  color: var(--hero-muted);
  padding-left: 26px;
  position: relative;
}
.compare-col li::before {
  position: absolute;
  left: 0;
  top: 1px;
  font-weight: 800;
}
.compare-col:not(.compare-us) li::before { content: "✕"; color: #C88AA0; }
.compare-us li { color: var(--hero-text); }
.compare-us li::before { content: "✓"; color: #F4C77F; }

/* ---------------- 隐私 ---------------- */
.privacy-grid {
  max-width: var(--container);
  margin: 0 auto 40px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.privacy-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.privacy-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.privacy-icon { color: var(--accent); display: inline-flex; margin-bottom: 14px; }
.privacy-icon svg { width: 28px; height: 28px; }
.privacy-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 9px; }
.privacy-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.privacy-notes {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 28px;
}
.privacy-notes li {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 550;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 16px;
}
.note-ic { color: var(--accent); flex: none; display: inline-flex; }
.note-ic svg { width: 17px; height: 17px; }

/* ---------------- CTA ---------------- */
.cta-card {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  border-radius: 32px;
  background:
    radial-gradient(600px 300px at 80% -20%, rgba(244, 199, 127, .2), transparent 60%),
    radial-gradient(500px 280px at 5% 120%, rgba(122, 104, 232, .35), transparent 60%),
    var(--hero-bg);
  color: var(--hero-text);
  text-align: center;
  padding: 80px 32px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-glow {
  position: absolute;
  inset: auto -80px -140px auto;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(244, 199, 127, .3), transparent 65%);
  filter: blur(50px);
}
.cta-card h2 { color: var(--hero-text); margin-bottom: 14px; }
.cta-card > p { color: var(--hero-muted); max-width: 34em; margin: 0 auto 30px; }
.cta-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 26px;
  color: var(--hero-muted);
  font-size: 13.5px;
  font-weight: 600;
}

/* ---------------- FAQ ---------------- */
.faq-list { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item.open { box-shadow: var(--shadow-md); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  padding: 19px 22px;
  font: inherit;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
}
.faq-chevron {
  flex: none;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 15px;
  font-style: normal;
  font-weight: 800;
  line-height: 1;
  transition: transform .25s ease;
}
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
}
.faq-a > p {
  overflow: hidden;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  padding: 0 22px;
  transition: padding .3s ease;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-item.open .faq-a > p { padding: 0 22px 20px; }

/* ---------------- Footer ---------------- */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 64px 0 36px;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 40px;
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-brand p { color: var(--muted); font-size: 14.5px; margin-top: 14px; }
.footer-links { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h5 { font-size: 13px; font-weight: 800; letter-spacing: .08em; color: var(--muted); margin-bottom: 4px; }
.footer-col a { color: var(--text); font-size: 14.5px; font-weight: 550; opacity: .85; }
.footer-col a:hover { color: var(--accent); opacity: 1; }
.footer-base {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 24px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 12.5px;
}

/* ---------------- 入场动画 ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .phone, .hero-float-card, .pill-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .loop { grid-template-columns: 1fr; gap: 8px; }
  .loop-arrow { display: none; }
  .loop-step { max-width: 560px; margin: 0 auto; width: 100%; }
  .ai-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 880px) {
  .nav-links { display: none; }
  .hero-inner { gap: 20px; }
  .hero-copy { padding: 20px 0 0; }
  .hero-visual { padding: 8px 0 56px; }
  .hero-float-a { left: 0; }
  .hero-float-b { right: 0; }
  .hero-strip-inner { justify-content: flex-start; gap: 28px; }
  .feature { grid-template-columns: 1fr; gap: 36px; margin-bottom: 64px; }
  .feature-flip .feature-copy { order: 0; }
  .compare, .privacy-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .br-mobile { display: inline; }
  .hero-float-card { display: none; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .phone { width: 300px; border-radius: 44px; }
  .phone-screen { border-radius: 35px; min-height: 620px; }
  .ai-grid { grid-template-columns: 1fr; }
  .privacy-notes { grid-template-columns: 1fr; }
  .cta-card { padding: 56px 22px; }
  .footer-links { gap: 36px; }
  .hero-strip-inner { overflow-x: auto; scrollbar-width: none; }
  .footer-base { flex-direction: column; }
}