/* ========================================
   知行八字 — 官网样式（现代东方 / Modern Oriental）
   配色：冷中性底 + 清亮朱砂红 + 琥珀金 + 冷墨（对齐线上）
   ======================================== */

:root {
  /* 朱砂红（清亮点睛，跟线上一致，去掉旧版发暗的砖红） */
  --primary: #b91c3a;
  --primary-hover: #9a1630;
  --primary-deep: #7f0f24;
  --primary-soft: rgba(185, 28, 58, 0.06);
  --primary-soft-2: rgba(185, 28, 58, 0.12);
  --primary-ring: rgba(185, 28, 58, 0.20);

  /* 琥珀金（真金点缀，跟线上一致） */
  --gold: #f59e0b;
  --gold-strong: #d97706;
  --gold-soft: #fef2c7;

  /* 验证 / 成功（清亮松绿） */
  --check: #16a34a;

  /* 墨 / 文本（冷墨，跟线上一致） */
  --ink: #111827;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --text-tertiary: #c2c8d0;

  /* 冷灰白底 / 纯白卡片 / 冷灰内衬 */
  --bg-page: #f9fafb;
  --bg-white: #ffffff;
  --bg-soft: #f3f4f6;

  /* 边框（冷灰） */
  --border: #e5e7eb;
  --border-light: #f3f4f6;

  /* 圆角 */
  --radius: 18px;
  --radius-sm: 12px;
  --radius-btn: 11px;

  /* 阴影（冷中性、分层） */
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.04), 0 2px 10px rgba(17, 24, 39, 0.05);
  --shadow-md: 0 10px 30px rgba(17, 24, 39, 0.08);
  --shadow-lg: 0 22px 60px rgba(17, 24, 39, 0.12);
  --shadow-primary: 0 10px 26px rgba(185, 28, 58, 0.22);

  --font-display: 'Noto Serif SC', Georgia, 'Songti SC', serif;
  --font-body: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-script: 'Noto Serif SC', serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Reset / Base
   ======================================== */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-page);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}
a { color: inherit; text-decoration: none; }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; }
::selection {
  background: rgba(185, 28, 58, 0.16);
  color: var(--text-primary);
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========================================
   干支五行背景层（铺满全文档，散落随机位置；
   位于内容之下、不拦截交互）
   ======================================== */
.gz-field {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
}
.gz {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}
/* 内容层抬到背景之上 */
main, .site-footer { position: relative; z-index: 1; }

/* ========================================
   通用装饰：分隔线 / 眉标 / 印
   ======================================== */

/* ========================================
   Header — 浮动玻璃胶囊（fixed，滚动后收拢）
   结构：.site-header（定宽浮层）> .header-bar（胶囊）
   顶部时完全透明、与内容左右对齐；滚动 80px 后收窄成毛玻璃胶囊
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  z-index: 100;
  width: min(100% - 48px, 1072px);
  padding: 10px 0 0;
  /* 胶囊收窄后两侧留白不应挡住底层内容 */
  pointer-events: none;
}
.header-bar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1072px;
  min-height: 52px;
  margin: 0 auto;
  padding: 5px 0;
  border: 1px solid transparent;
  border-radius: 100px;
  background: transparent;
  transition:
    max-width 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    padding 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    background-color 0.3s var(--ease),
    border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease),
    backdrop-filter 0.3s var(--ease);
}
.site-header.is-scrolled .header-bar {
  max-width: 940px;
  padding: 5px 8px 5px 18px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-color: rgba(17, 24, 39, 0.08);
  box-shadow: 0 1px 2px rgba(17, 24, 39, 0.04), 0 10px 30px rgba(17, 24, 39, 0.07);
}

.brand {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  flex-shrink: 0;
}
.logo {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  box-shadow: 0 1px 3px rgba(17, 24, 39, 0.12);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 1px;
  color: var(--ink);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav a {
  position: relative;
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 100px;
  transition: color 0.2s, background-color 0.2s;
  white-space: nowrap;
}
.nav a:hover {
  color: var(--text-primary);
  background: rgba(17, 24, 39, 0.05);
}
.nav a.is-active {
  color: var(--primary);
  font-weight: 500;
  background: var(--primary-soft);
}

.header-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 4px;
}
/* 一根细分隔线把「导航」和「操作」分开，避免 7 个同款文字挤成一串 */
.header-actions::before {
  content: '';
  width: 1px;
  height: 18px;
  margin-right: 8px;
  background: rgba(17, 24, 39, 0.12);
}
/* 默认是朴素文字按钮；只有「下载」一个磨砂玻璃 CTA，避免整排按钮抢戏 */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  background: transparent;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 400;
  border: none;
  border-radius: 100px;
  transition: color 0.2s, background-color 0.2s;
  white-space: nowrap;
  cursor: pointer;
}
.header-cta:hover {
  color: var(--text-primary);
  background: rgba(17, 24, 39, 0.05);
}
.header-cta svg { flex-shrink: 0; }
/* 主 CTA 不上实心色块，走磨砂玻璃：半透明白 + backdrop 模糊 +
   顶部一道白色内高光（玻璃边缘的受光面），底衬轻投影把它从背景里托起来 */
.header-cta--primary {
  margin-left: 6px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(10px) saturate(180%);
  -webkit-backdrop-filter: blur(10px) saturate(180%);
  color: var(--text-primary);
  font-weight: 500;
  border: 1px solid rgba(17, 24, 39, 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 1px 3px rgba(17, 24, 39, 0.06);
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.header-cta--primary:hover {
  background: rgba(255, 255, 255, 0.75);
  color: var(--text-primary);
  border-color: rgba(17, 24, 39, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 2px 8px rgba(17, 24, 39, 0.08);
}

.nav-toggle {
  position: relative;
  z-index: 2;
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-right: -6px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.25s var(--ease);
}
.nav-toggle.is-active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* 中间档先把导航收紧一点，能多撑 100 来 px 再切汉堡 */
@media (max-width: 1160px) {
  .header-bar { gap: 16px; }
  .nav a { padding: 8px 10px; font-size: 14.5px; }
  .header-cta { padding: 0 11px; font-size: 14.5px; }
}

/* 六条导航 + 三个按钮排不下就整体收进全屏浮层（学 ds-mobile-menu），
   条形里只留 品牌 + 主 CTA + 汉堡。断点按实测的最小可容宽度定，
   不是拍脑袋的 768/860 —— 低于这个宽度按钮会溢出胶囊 */
@media (max-width: 1040px) {
  .nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 76px 24px 40px;
    background: var(--bg-page);
    opacity: 0;
    pointer-events: none;
    overflow-y: auto;
    transition: opacity 0.22s var(--ease);
  }
  .nav.is-open { opacity: 1; pointer-events: auto; }
  .nav a {
    padding: 18px 4px;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: 0;
    border-bottom: 1px solid var(--border-light);
  }
  .nav a:hover { background: transparent; }
  .nav a.is-active { background: transparent; color: var(--primary); }
  .nav-toggle { display: flex; }
  .header-actions::before { display: none; }
  .header-bar { gap: 12px; }
  body.nav-open { overflow: hidden; }
  /* .nav 是 .header-bar 的子节点，而 backdrop-filter 会成为 fixed 后代的包含块，
     所以这里把胶囊的毛玻璃换成不透明底色，否则浮层 inset:0 会相对胶囊定位 */
  .site-header.is-scrolled .header-bar {
    max-width: none;
    padding: 5px 8px 5px 16px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* 手机：文字按钮让位，只留「下载」 */
@media (max-width: 680px) {
  .header-cta { display: none; }
  .header-cta--primary {
    display: inline-flex;
    height: 34px;
    margin-left: 0;
    padding: 0 15px;
    font-size: 14px;
  }
  .brand-name { font-size: 17px; }
}

/* ========================================
   Hero
   ======================================== */
.hero {
  position: relative;
  padding: 104px 0 76px;
  background: transparent;
  overflow: hidden;
}
/* 左文右图，设备组出血到视口右边缘。
   居中摆（文字在上、设备在下）虽然图能放到 700px，但首屏被撑到 900px 高，
   下一节完全露不出来；规规矩矩塞进右半栏又只剩 436px、界面糊成一片灰。
   出血是唯一两头都占的：iPad 保持 640px 看得清，首屏还压在 640px 左右。
   左 padding 跟 .container 的内容左边缘对齐（1120 - 48 = 1072 居中）。 */
.hero-grid {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 40px;
  max-width: none;
  padding-left: max(24px, calc((100vw - 1072px) / 2));
  padding-right: 0;
  text-align: left;
}
.hero-copy {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  max-width: 420px;
}
.hero-copy h1 {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  margin: 0 0 20px;
  color: var(--ink);
  letter-spacing: 2px;
  line-height: 1.15;
}
.hero-copy h1 .accent {
  color: var(--primary);
}
.hero-desc {
  font-size: 16.5px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin: 0;
  max-width: none;
}
/* 全站按钮跟 header 同一套语汇：胶囊、字重 500、不用 1px 字间距撑场面。
   红色只留给「掏钱」那一步（开通 VIP / 充值），下载一律走磨砂玻璃。 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 32px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
  border: 1px solid var(--primary);
  border-radius: 100px;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-primary:active { background: var(--primary-deep); border-color: var(--primary-deep); }
.btn-primary svg { flex-shrink: 0; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 32px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: border-color 0.18s, color 0.18s, background 0.18s;
}
.btn-ghost:hover {
  border-color: rgba(17, 24, 39, 0.22);
  color: var(--text-primary);
  background: rgba(17, 24, 39, 0.04);
}


/* 手机叠在平板右下角：整组从 862px 收到 740px，构图更紧，
   右边多出来的余量也够 1440 以下的宽度用了。
   超出视口的部分由 .hero 的 overflow 裁掉。
   两台仍按真实物理比例（640 : 200 ≈ 249.7mm : 78mm）。 */
.hero .adapt-stage {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 740px;
}
.hero .adapt-tablet { width: 640px; }
.hero .adapt-phone {
  position: absolute;
  right: 0;
  bottom: -40px;
  width: 200px;
}
.hero-devices-note {
  margin: 22px 0 0;
  max-width: 420px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ========================================
   Section Common
   ======================================== */
/* 分节线统一在这里发：相邻 section 之间各一条，谁都不自己加 border，
   免得出现「上一节的下边线 + 下一节的上边线」叠成两像素 */
main > section + section {
  border-top: 1px solid var(--border);
}

.section-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  text-align: center;
  margin: 14px 0 14px;
  color: var(--ink);
  letter-spacing: 1px;
}
.section-desc {
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0 auto 48px;
  max-width: 580px;
  line-height: 1.8;
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head .section-title { margin-bottom: 14px; }
.section-head .section-desc { margin-bottom: 0; }

/* 数字胶囊：AI 深度对话 / 转机两段各挂一个（数据来自 /web/stats）。
   数字用衬线体 + 朱砂红，跟正文拉开层级；tabular-nums 保证 count-up
   动画过程中宽度不抖（比例数字会让整块左右晃）。 */
.stat-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 18px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
}
/* inline-flex 会盖掉 hidden 的 display:none，必须显式补回来 */
.stat-chip[hidden] { display: none; }
.stat-chip .stat-num {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  letter-spacing: 0.5px;
}
.stat-chip .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}
/* 左栏文案里跟在 section-desc 之后；desc 自带 28px 下边距，这里只补自己的 */
.ai-copy .stat-chip { margin: 0 0 26px; }
/* 转机是居中的 section-head，desc 的下边距被清成 0，间距由这里给 */
.section-head .stat-chip { margin-top: 20px; }

/* 内容型区块用左对齐编辑式标题，跟转化区块（VIP/下载等）的居中拉开节奏，
   整页不再是一个模子刻出来的 */
.section-head--left .section-title { text-align: left; letter-spacing: 0.5px; }
.section-head--left .section-desc {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
  max-width: 600px;
}

/* ========================================
   Scroll Reveal
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ========================================
   Features — Panel Layout
   ======================================== */
.features {
  padding: 90px 0;
}
.features > .container {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* Panel */
/* 原来是「白板里再套灰卡」的盒中盒：外层 .panel 白底描边阴影，
   内层 item 又是灰底描边。页面其它块（AI / 转机 / VIP / 下载）现在都直接坐在
   页面底色上，只有这里还包着一层板子。拆掉外层，两组各自当成标准小节。 */
.panel {
  position: relative;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}
.panel + .panel { margin-top: 72px; }
.panel-header {
  text-align: center;
  margin-bottom: 34px;
}
/* 跟其它 section 的标题同一号，不再自成一套；金色下划线撤掉 ——
   分类标记全站统一用金色小菱形 */
.panel-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
  letter-spacing: 1px;
}
.panel-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 14px auto 0;
  line-height: 1.8;
}

/* Panel grid — 排盘 items 3x2 */
.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.panel-item {
  position: relative;
  padding: 24px 22px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 8px 26px rgba(17, 24, 39, 0.05);
  transition: box-shadow 0.28s var(--ease), transform 0.28s var(--ease), border-color 0.28s var(--ease);
}
.panel-item:hover {
  transform: translateY(-4px);
  border-color: rgba(17, 24, 39, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 14px 36px rgba(17, 24, 39, 0.09);
}
/* 图标不再套红底：整页红色只留给「掏钱」那一步 */
.panel-item-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: rgba(17, 24, 39, 0.045);
  border-radius: 100px;
  margin-bottom: 15px;
  transition: background 0.28s var(--ease), transform 0.28s var(--ease);
}
.panel-item:hover .panel-item-icon {
  background: rgba(17, 24, 39, 0.08);
  transform: scale(1.05);
}
.panel-item-icon svg { stroke: currentColor; }
.panel-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 7px;
  color: var(--ink);
}
.panel-item p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 14px;
}
/* 标签跟 VIP 权益标签同款中性描边胶囊，不再是一片红 */
.panel-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.panel-item-tags span {
  font-size: 11.5px;
  font-weight: 400;
  padding: 4px 11px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
}

/* Tools grid — 辅助工具 3x2 */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.tool-item {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 14px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 8px 26px rgba(17, 24, 39, 0.04);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease), border-color 0.2s var(--ease);
}
.tool-item:hover {
  transform: translateY(-2px);
  border-color: rgba(17, 24, 39, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 10px 28px rgba(17, 24, 39, 0.07);
}
.tool-item strong {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--ink);
}
/* 全站统一的金色小菱形，替掉原来那个没有语义的绿勾 */
.tool-item strong::before {
  content: '';
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  background: var(--gold-strong);
  transform: rotate(45deg);
}
.tool-item span {
  display: block;
  padding-left: 13px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Checklist (download cards) */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  flex: 1;
}
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.check-icon {
  flex-shrink: 0;
  stroke: var(--check);
  margin-top: 1px;
}

/* ========================================
   AI Workshop
   ======================================== */
.ai-workshop {
  padding: 84px 0;
  background: transparent;
}
/* 左文右「对话样例」两栏：删掉罗盘后首屏以下缺一个视觉落点，
   这张磨砂对话卡同时充当「产品长什么样」的说明 */
.ai-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 56px;
}
.ai-copy .section-title,
.ai-copy .section-desc {
  text-align: left;
}
.ai-copy .section-title { margin: 0 0 12px; }
.ai-copy .section-desc { margin: 0 0 28px; max-width: 460px; }

/* AI 与转机两块共用的要点列表 */
.point-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.point-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 100px;
}
.point-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 6px 0 6px;
  color: var(--ink);
}
.point-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

/* 对话样例卡：跟 header / 下载按钮同一套磨砂玻璃 */
.ai-demo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 24px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 18px 50px rgba(17, 24, 39, 0.08);
}
.ai-demo-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 4px;
}
.ai-demo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--check);
}
.ai-demo-title {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}
.ai-bubble {
  max-width: 86%;
  padding: 11px 16px;
  font-size: 14px;
  line-height: 1.6;
  border-radius: 18px;
}
.ai-bubble.is-user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 6px;
}
.ai-bubble.is-ai {
  background: var(--bg-soft);
  color: var(--text-primary);
  border-bottom-left-radius: 6px;
}
.ai-attach {
  align-self: flex-end;
  width: 86%;
  padding: 12px 14px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.ai-attach-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.ai-attach-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.ai-attach-pillars span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 7px 0;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-soft);
  border-radius: 9px;
}
.ai-attach-pillars i {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 10px;
  color: var(--text-muted);
}
.ai-tool {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--check);
  background: rgba(22, 163, 74, 0.08);
  border-radius: 100px;
}
/* 输入中的三点 —— 故意不编一段 AI 回复出来 */
.ai-typing {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 8px;
}
.ai-typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: aiTyping 1.2s ease-in-out infinite;
}
.ai-typing i:nth-child(2) { animation-delay: 0.15s; }
.ai-typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes aiTyping {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* ========================================
   转机 —— AI 长报告
   用 App 里那套玩法主视觉（assets/images/dawn/*.jpg 压成 700px WebP，
   十一张合计 ~216KB）。不是拿报告正文截图：长文缩到卡片尺寸没人看得清，
   而且截图会随 App 改版过期；这套主视觉本来就是玩法的门面。
   ======================================== */
.dawn {
  padding: 84px 0;
  background: transparent;
}

/* 两排反向横滚。要点：
   1) 满幅出血（脱开 .container），两侧用 mask 渐隐，卡片不硬切在容器边上；
   2) 每排 = 6 张 + 一份一模一样的副本，动画跑到 -50% 时画面与起点完全重合，
      所以看不出接缝。副本挂 aria-hidden，读屏不会把玩法名念两遍；
   3) 卡片间距用 margin-right 而不是 gap —— gap 会让 track 宽度多出一个
      间距，-50% 就不再是"整整一份"，接缝处会跳一下。 */
.dawn-marquee {
  position: relative;
  overflow: hidden;
  padding: 4px 0;
  -webkit-mask: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.dawn-track {
  display: flex;
  width: max-content;
  animation: dawnMarquee 48s linear infinite;
  will-change: transform;
}
.dawn-track.is-reverse {
  margin-top: 14px;
  animation-direction: reverse;
  /* 负延迟 = 从周期中段起步。两排首帧不对齐，
     子平/盲派那两张同图的卡也就不会在页面刚打开时上下贴着 */
  animation-delay: -13s;
}
/* display: contents —— 让副本这层壳不参与布局，卡片仍是 track 的直接 flex 项，
   上面那条 -50% 的算法才成立 */
.dawn-lane { display: contents; }
.dawn-marquee:hover .dawn-track { animation-play-state: paused; }
@keyframes dawnMarquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

.dawn-card {
  position: relative;
  flex: 0 0 auto;
  width: 300px;
  margin: 0 14px 0 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 16px;
  background: var(--ink);
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.1);
}
.dawn-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.dawn-card:hover img { transform: scale(1.05); }
/* 底部压一层渐变，保证白字在任何一张图上都读得清 */
.dawn-card figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 14px 12px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #fff;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0));
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* 要点横排（AI 那边是竖排，同一套类靠这个修饰类切换） */
.point-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 44px;
}
.dawn-note {
  margin: 32px auto 0;
  max-width: 720px;
  text-align: center;
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ========================================
   VIP / 金币
   ======================================== */
.vip {
  padding: 88px 0;
  background: transparent;
}
.vip .section-title { text-align: center; }
.vip .section-desc { text-align: center; max-width: 640px; margin: 0 auto 36px; color: var(--text-secondary); }

/* 多列瀑布流而不是 grid：8 张卡内容长短差很多，grid 会把同行拉成等高，
   出现大片空白（「梅花/小成图」两项被撑到跟「AI 特权」八项一样高） */
.vip-benefits-groups {
  columns: 2;
  column-gap: 16px;
  margin-bottom: 8px;
}
.vip-benefit-group {
  break-inside: avoid;
  margin-bottom: 16px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 8px 26px rgba(17, 24, 39, 0.05);
}
.vip-benefit-group-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
}
/* 分类标记 = 全站统一的金色小菱形 */
.vip-benefit-group-title::before {
  content: '';
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  background: var(--gold-strong);
  transform: rotate(45deg);
}
.vip-benefit-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.vip-benefit-tag {
  display: inline-block;
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}
/* featured 在接口里占了将近一半，用 --gold-soft 那种饱和度铺满就成了一片黄、
   "重点"也就不再是重点。这里只给一层极浅的金调 + 金色描边把它托出来 */
.vip-benefit-tag.is-featured {
  background: rgba(245, 158, 11, 0.07);
  border-color: rgba(245, 158, 11, 0.28);
  color: var(--gold-strong);
  font-weight: 500;
}
.vip-benefit-count {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted);
}

.vip-packages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.vip-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 14px;
}
.vip-package {
  position: relative;
  padding: 26px 22px;
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s var(--ease);
}
.vip-package:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.vip-package-tag {
  position: absolute;
  top: -10px; right: 16px;
  background: var(--gold-strong);
  color: #fff;
  font-size: 12px;
  padding: 2px 11px;
  border-radius: 999px;
}
.vip-package-name { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); line-height: 1.2; }
.vip-package-price { font-size: 28px; font-weight: 700; color: var(--gold-strong); line-height: 1.2; }
.vip-package-price .vip-currency { font-size: 16px; }
.vip-package-original {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: line-through;
  min-height: 18px;
}
.vip-package-duration { margin-top: 6px; font-size: 13px; color: var(--text-secondary); }


/* ========================================
   设备对照（横屏 / 竖屏）—— 挂在 hero 里，见上面 .hero .adapt-* 的覆盖
   这里是基线：并排、底对齐、按**真实物理尺寸同一比例尺**
   （iPad Pro 11 横放宽 249.7mm、iPhone 17 Pro Max 竖放宽 78mm），
   比例不对的话两台并排一眼就别扭
   ======================================== */
.adapt-stage {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 30px;
}
/* 图本身就是模拟器的真机壳（透明底 PNG 压的 WebP），所以这里不再画边框；
   阴影用 drop-shadow —— 它顺着 alpha 轮廓走，圆角外不会露出方形阴影。
   阴影挂在**外层**而不是 img 上：屏幕轮播时两张图会同时半透明，
   各自带阴影就会在切换中途淡一下 */
.adapt-tablet,
.adapt-phone {
  position: relative;
  flex: 0 0 auto;
  line-height: 0;
}
.adapt-tablet { filter: drop-shadow(0 22px 46px rgba(17, 24, 39, 0.22)); }
.adapt-phone { filter: drop-shadow(0 16px 34px rgba(17, 24, 39, 0.24)); }
.adapt-tablet { width: min(100%, 700px); }
.adapt-phone { width: 219px; }
.adapt-tablet img,
.adapt-phone img {
  display: block;
  width: 100%;
  height: auto;
}
/* 屏幕内容轮播（八字细盘 ↔ 紫微命盘）。两组截图取自同一个模拟器窗口，
   裁完机身像素完全一致，所以叠在一起交叉淡入时只有屏幕在换、机身不动。
   纯 CSS，不用 JS：第二张压在第一张上做 opacity 循环即可。 */
.adapt-tablet img + img,
.adapt-phone img + img {
  position: absolute;
  inset: 0;
  opacity: 0;
  animation: shotSwap 3s ease-in-out infinite;
}
@keyframes shotSwap {
  0%, 40% { opacity: 0; }
  50%, 90% { opacity: 1; }
  100% { opacity: 0; }
}



/* ========================================
   Download
   ======================================== */
.download {
  padding: 90px 0;
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.download-card {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px 22px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.download-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(17, 24, 39, 0.16);
}
.download-card-top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: 20px;
}
/* 平台图标不再套红底：整页红色只留给「掏钱」那一步 */
.download-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: rgba(17, 24, 39, 0.045);
  border-radius: 100px;
  margin-bottom: 14px;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.download-card:hover .download-icon {
  background: rgba(17, 24, 39, 0.08);
  transform: scale(1.05);
}
.download-icon svg { fill: currentColor; }
.download-platform {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.download-desc {
  font-size: 13px;
  color: var(--text-muted);
}
.download-card .check-list { flex: 1; }
/* 跟 header 的「下载」同款磨砂玻璃：四张卡四块实心红会把整页压垮，
   而且卡片本身就是可点的，按钮不必再抢一次注意力 */
.download-card-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px) saturate(180%);
  -webkit-backdrop-filter: blur(10px) saturate(180%);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 100px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 1px 3px rgba(17, 24, 39, 0.06);
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.download-card:hover .download-card-btn {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(17, 24, 39, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 2px 8px rgba(17, 24, 39, 0.08);
}
.download-card-btn svg { flex-shrink: 0; }
.download-card.is-coming-soon {
  opacity: 0.55;
  pointer-events: none;
}
.download-card-btn.is-disabled {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: var(--text-muted);
  border-color: var(--border);
  box-shadow: none;
}
.download-hint {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

/* ========================================
   FAQ — 常见问题
   ======================================== */
.faq {
  padding: 90px 0;
  background: transparent;
}
/* 原来是 6 个各自带边框的小盒子，条目之间还留 12px 缝，视觉上很碎。
   改成一整块磨砂面板，条目之间只用发丝线分隔 */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 20px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 10px 34px rgba(17, 24, 39, 0.05);
  overflow: hidden;
}
.faq-item + .faq-item {
  border-top: 1px solid var(--border-light);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 26px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.2s, background-color 0.2s;
}
.faq-question:hover { background: rgba(17, 24, 39, 0.025); }
/* 收起 = ＋，展开 = －；颜色收成中性灰，红只留给掏钱那一步 */
.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform 0.3s var(--ease);
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1.5px;
  border-radius: 2px;
  background: var(--text-muted);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), background-color 0.2s;
}
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after { background: var(--ink); }
.faq-item.is-open .faq-icon::after { opacity: 0; transform: translate(-50%, -50%) rotate(0); }
.faq-item.is-open .faq-question { color: var(--ink); font-weight: 600; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s var(--ease);
}
.faq-answer-inner {
  padding: 0 26px 22px;
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.8;
}


/* ========================================
   Contact
   ======================================== */
.contact {
  padding: 80px 0;
  background: transparent;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 680px;
  margin: 0 auto;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 16px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 8px 26px rgba(17, 24, 39, 0.04);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.contact-card:hover {
  border-color: rgba(17, 24, 39, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 10px 30px rgba(17, 24, 39, 0.07);
  transform: translateY(-2px);
}
.contact-hint {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin: 18px 0 0;
}
.contact-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: rgba(17, 24, 39, 0.045);
  border-radius: 100px;
  flex-shrink: 0;
}
.contact-icon svg { stroke: currentColor; }
.contact-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-text a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-primary);
  transition: color 0.2s;
}
.contact-text a:hover { color: var(--primary); }

/* ========================================
   Footer
   ======================================== */
/* 导航跟顶部完全重复，已撤。剩下的只有品牌 + 版权 + 备案，一行放得下 */
.site-footer {
  background: var(--ink);
  color: #fff;
  padding: 30px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
}
.footer-logo {
  width: 24px;
  height: 24px;
  border-radius: 5px;
}
.footer-legal {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-legal a {
  color: rgba(255, 255, 255, 0.4);
  transition: color 0.2s;
}
.footer-legal a:hover { color: rgba(255, 255, 255, 0.75); }
.footer-legal .sep { color: rgba(255, 255, 255, 0.16); }

/* ========================================
   Modal
   ======================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal[hidden] { display: none; }
.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.62);
  backdrop-filter: blur(2px);
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 34px 30px 28px;
  box-shadow: 0 24px 60px rgba(17, 24, 39, 0.32);
  animation: modalIn 0.24s var(--ease);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.2s, color 0.2s;
}
.modal-close:hover { background: var(--border-light); color: var(--text-primary); }

.vip-modal-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  text-align: center;
}
.vip-modal-desc {
  margin: 0 0 24px;
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
}

.form-row { margin-bottom: 16px; }
.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}
.form-label-hint {
  margin-left: 4px;
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 400;
}
.vip-pay-discount {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--gold-strong);
  background: var(--gold-soft);
  border-radius: 999px;
  vertical-align: middle;
}
/* 微信内点下载 banner 时的引导遮罩（由 script.js 动态插入） */
.wx-open-tip {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.78);
  color: #fff;
  padding: 16px 24px;
}
.wx-open-tip-arrow {
  position: absolute;
  top: 14px;
  right: 22px;
  width: 76px;
  height: 76px;
  color: #fff;
}
.wx-open-tip-text {
  position: absolute;
  top: 104px;
  right: 22px;
  max-width: 74vw;
  text-align: right;
  line-height: 1.8;
}
.wx-open-tip-text strong { display: block; font-size: 18px; font-weight: 600; }
.wx-open-tip-text span { font-size: 14px; opacity: 0.85; }

/* 优惠码试算结果（script.js 调 /web/vip/promo/preview 后动态填） */
.promo-preview {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 500;
  color: var(--primary);
}
.promo-preview.is-error { color: var(--text-muted); font-weight: 400; }

/* 扫推广二维码进来时，优惠码输入框下的自动填入提示（由 script.js 的 PromoLink 动态插入） */
.promo-applied-tip {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--gold-strong);
}
.form-row input[type="tel"],
.form-row input[type="text"] {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.form-row input[type="tel"]:focus,
.form-row input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-white);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.form-code-wrap { display: flex; gap: 8px; }
.form-code-wrap input { flex: 1; }
.btn-sms {
  flex-shrink: 0;
  height: 44px;
  padding: 0 14px;
  font-size: 13px;
  background: var(--bg-white);
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-sms:hover:not(:disabled) { background: var(--primary); color: #fff; }
.btn-sms:disabled { color: var(--text-muted); border-color: var(--border); cursor: not-allowed; }

.vip-packages-pick {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}
.vip-pick-item {
  padding: 13px 8px;
  text-align: center;
  background: var(--bg-soft);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}
.vip-pick-item:hover { border-color: var(--gold); }
.vip-pick-item.is-active {
  border-color: var(--gold-strong);
  background: var(--gold-soft);
}
.vip-pick-name { font-size: 13px; font-weight: 600; color: var(--text-primary); line-height: 1.2; }
.vip-pick-price { margin-top: 4px; font-size: 16px; font-weight: 700; color: var(--gold-strong); line-height: 1.2; }
/* 优惠码生效后卡片上被划掉的原价 */
.vip-pick-origin {
  margin-right: 4px;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted);
}
.coin-pick-bonus {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  background: var(--gold-soft);
  color: var(--gold-strong);
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  line-height: 1.4;
}
.coin-pick-bonus.is-placeholder { visibility: hidden; }

.vip-agree {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 16px 0 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}
.vip-agree input[type="checkbox"] { margin-top: 2px; flex-shrink: 0; accent-color: var(--primary); }
.vip-agree a { color: var(--primary); }

/* 全局 toast */
.global-toast {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  z-index: 2000;
  max-width: 80vw;
  padding: 12px 20px;
  font-size: 14px;
  line-height: 1.5;
  color: #fff;
  background: rgba(17, 24, 39, 0.94);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.global-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.vip-pay-btn {
  width: 100%;
  max-width: none;
  margin-top: 8px;
  justify-content: center;
  background: #07c160;
  border: 1px solid #07c160;
  cursor: pointer;
}
.vip-pay-btn:hover {
  background: #06ad56;
  border-color: #06ad56;
}
.vip-pay-btn:disabled { opacity: 0.6; cursor: not-allowed; box-shadow: none; }

.vip-qrcode-wrap {
  display: flex;
  justify-content: center;
  margin: 20px 0 16px;
}
.vip-qrcode {
  width: 240px;
  height: 240px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.vip-qrcode img, .vip-qrcode canvas { display: block; width: 100% !important; height: 100% !important; }
.vip-amount {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 8px;
}
.vip-amount strong { color: var(--gold-strong); font-size: 18px; }
.vip-tip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 16px;
}
.vip-spinner {
  width: 14px; height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.vip-step .btn-ghost {
  display: block;
  margin: 0 auto;
}

.vip-success-icon {
  display: flex;
  justify-content: center;
  color: var(--check);
  margin-bottom: 16px;
}
.vip-step[data-step="3"] .btn-primary {
  width: 100%;
  margin-top: 20px;
  justify-content: center;
  border: none;
  cursor: pointer;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 980px) {
  .hero-copy h1 { font-size: 48px; }
}

@media (max-width: 860px) {
  .panel-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-grid { grid-template-columns: 1fr; gap: 36px; }
  .point-row { grid-template-columns: 1fr; gap: 22px; margin-top: 36px; }
  .dawn-card { width: 260px; }
  /* 窄屏放不下出血布局，退回「文字居中 + 设备在下」 */
  .hero-grid {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0;
    padding-left: 24px;
    padding-right: 24px;
  }
  .hero-copy { max-width: 760px; }
  .hero-desc { margin: 0 auto; max-width: 600px; }
  .hero-devices-note { margin: 20px auto 0; max-width: 560px; }
  .hero .adapt-stage { margin-top: 38px; width: min(100%, 600px); }
  .hero .adapt-tablet { width: 82%; }
  .hero .adapt-phone { width: 25.6%; bottom: -32px; }
  .ai-demo { width: 100%; max-width: 460px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 118px 0 60px; }
  .hero-copy h1 { font-size: 42px; }
  .section-title { font-size: 28px; }
  .panel-title { font-size: 28px; }
}

@media (max-width: 680px) {
  .hero { padding: 104px 0 48px; }
  .hero-copy h1 { font-size: 36px; }
  .hero-desc { font-size: 15px; }
  .btn-primary, .btn-ghost { width: 100%; max-width: 300px; justify-content: center; }
  .features, .ai-workshop, .dawn, .download, .contact, .faq { padding: 56px 0; }
  .vip { padding: 56px 0; }
  .panel-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .dawn-card { width: 220px; }
  /* 并排在手机上两台都太小，改成上下摆 */
  /* 手机屏上叠放会盖掉大半个平板，改回上下摆 */
  .hero .adapt-stage { width: 100%; padding-bottom: 0; }
  .hero .adapt-tablet { width: 100%; }
  .hero .adapt-phone {
    position: static;
    display: block;
    width: 170px;
    margin: -28px auto 0;
  }
  .dawn-card figcaption { font-size: 13.5px; padding: 26px 12px 10px; }
  .vip-benefits-groups { columns: 1; }
  .footer-inner { flex-direction: column; gap: 14px; text-align: center; }
  .footer-legal { justify-content: center; }
  .faq-question { font-size: 15px; padding: 18px 20px; }
}

@media (max-width: 480px) {
  .modal-card { padding: 28px 20px 20px; }
  .vip-modal-title { font-size: 20px; }
  .vip-qrcode { width: 200px; height: 200px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  /* 全局那条 animation-duration: 0.01ms 会让横滚"瞬间跑完"停在 -50%，
     所以这里显式停掉动画、改成用户自己横向滚 */
  .dawn-track { animation: none !important; transform: none !important; }
  .dawn-marquee { overflow-x: auto; }
  /* 屏幕轮播也停掉，固定停在第一张 */
  .adapt-tablet img + img,
  .adapt-phone img + img { animation: none !important; opacity: 0 !important; }
}