/* =========================
 *  style.css
 *  说明：在你原始 <style> 基础上拆出来的外部样式文件。
 *
 *  结构总览（从上往下）：
 *   1）Reset & Tokens
 *      - 全局 reset、字体、行高
 *      - :root / [data-theme="dark"] 定义整站的颜色、圆角、阴影、动画时长等“设计令牌”
 *
 *   2）App Shell & 顶栏
 *      - .app：整体布局骨架（顶部导航 + 中间内容 + 底部 Tabbar）
 *      - .appbar 及内部 .brand / .actions：顶部毛玻璃导航栏、Logo、教程按钮、日夜切换
 *
 *   3）主内容区 & 首页结构
 *      - main：中间内容区域的宽度、内边距
 *      - .card：通用玻璃拟物卡片
 *      - .hero / .kpi / .zone-two：首页首屏和两列布局
 *
 *   4）功能特色 & 套餐选购
 *      - .feat-list / .feat-item：功能点列表
 *      - .plans-grid / .plan：套餐卡片布局、价格行、购买按钮样式
 *      - .badge / .badge-free 等：各种小徽章
 *
 *   5）FAQ / 链接强调 / 面板切换
 *      - details / summary：折叠问答区
 *      - .link-plain：强调型文字链接
 *      - .panel：多面板（首页 / 教程 / 兑换 / 联系）的显隐动画
 *
 *   6）底部 Tabbar
 *      - .tabbar / .tab-btn / .tab-indicator：底部导航栏、选中态高亮
 *
 *   7）弹层 / 表单 / Toast / 涟漪
 *      - .sheet：底部弹出面板
 *      - .field：输入框
 *      - .toast：底部小提示
 *      - .pill::after / .buy-btn::after：点击涟漪效果
 *
 *   8）教程中心 & 下载中心
 *      - #panel-tutorial + .seg / .seg-btn：教程/下载 二级 tab 切换
 *      - #seg-guide / #seg-download：教程卡片 + 下载卡片布局和 CTA 按钮
 *
 *   9）订阅中心 sub.html
 *      - .sub-panel / .sub-layout / .sub-qr-*：兑换成功页二维码 + 右侧导入说明区
 *      - .sub-btn-ios / .sub-btn-android：区分 iOS / Android 的主按钮配色
 *
 *  10）Chatwoot 顶部横幅 & 其它辅助布局
 *      - .cw-banner：顶部新消息横幅
 *      - #panel-tutorial / #panel-redeem / #panel-contact：让中间卡片在一屏内铺满
 *
 *  ⚠ 注意：
 *  - 下方代码仅增加和补充注释，没有修改任何选择器、属性值和规则顺序。
 *  - 所有视觉样式（颜色、尺寸、交互效果）与当前线上版本保持一致。
 * ========================= */


/* ====== Reset & Tokens ====== */
/* 全局盒模型重置，避免 padding / border 计算混乱 */
/* 全局盒模型重置 —— 必须有，否则 padding 会把整体宽度撑爆 */
/* 1️⃣ 全局盒模型：防止 padding 把 width:100% 撑宽 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* 2️⃣ 根元素：不允许横向超出视口 */
html {
  margin: 0;
  padding: 0;
  min-height: 100%;
  max-width: 100%;
  overflow-x: hidden;          /* ✅ 禁止横向抖动 */
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  max-width: 100%;
  overflow-x: hidden;          /* ✅ 同时在 body 上再保险一层 */
  overflow-y: auto;            /* ✅ 整个页面用 body 滚动，Safari 最稳 */
  -webkit-tap-highlight-color: transparent;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
}

/* 图片兜底 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 设计令牌：颜色、圆角、阴影、动画时长 */
:root {
  --bg: #f6f7fb;
  --surface: rgba(255, 255, 255, .65);
  --glass-stroke: rgba(17, 24, 39, .08);
  --fg: #0f172a;
  --muted: #475569;
  --primary: #6366f1;
  --primary-pressed: #4f46e5;
  --ring: rgba(99, 102, 241, .45);
  --card-shadow: 0 10px 30px -12px rgba(2, 6, 23, .25);
  --radius: 16px;
  --radius-lg: 22px;
  --blur: 14px;
  --divider: rgba(17, 24, 39, .08);
  --anim: 200ms cubic-bezier(.2, .7, .2, 1);
  --tabbar-h: 80px;

  /* 主按钮（浅色模式）—— 扁平蓝色矩形 */
  --btn-primary-bg: #2563eb;
  --btn-primary-bg-hover: #1d4ed8;
  --btn-primary-bg-active: #1e40af;
  --btn-primary-fg: #ffffff;
}

/* 深色模式：覆写部分设计令牌，实现全站夜间主题 */
[data-theme="dark"] {
  --bg: #0b0f1a;
  --surface: rgba(12, 16, 26, .55);
  --glass-stroke: rgba(148, 163, 184, .15);
  --fg: #e5e7eb;
  --muted: #94a3b8;
  --card-shadow: 0 10px 30px -15px rgba(2, 6, 23, .6);
  --divider: rgba(148, 163, 184, .18);

  --btn-primary-bg: #22d3ee;
  --btn-primary-bg-hover: #06b6d4;
  --btn-primary-bg-active: #0891b2;
  --btn-primary-fg: #020617;
}

/* 减少动画模式：如果用户系统偏好“减少动态效果”，就把动画速度调到极短 */
@media (prefers-reduced-motion:reduce) {
  :root {
    --anim: 1ms linear
  }
}


/* ====== App Shell 页面骨架（顶栏 + 内容区 + 底部 Tabbar） ====== */
/* 页面骨架：顶部 + 内容 + 底部 Tabbar */
.app {
  width: 100%;
  max-width: 100%;
  background: var(--bg);

  /* 直接占满一整屏，避免底部露出 body 的浅色背景 */
  min-height: 100vh;
}

/* 支持 dvh 的浏览器，用更精确的高度，解决 iOS 地址栏伸缩问题 */
@supports (height: 100dvh) {
  .app {
    min-height: 100dvh;
  }
}

/* [APPBAR] 顶栏：毛玻璃效果 + 安全区内边距 */
.appbar {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(var(--blur));
  background: color-mix(in oklab, var(--surface) 70%, transparent);
  border-bottom: 1px solid var(--glass-stroke);

  /* 顶部多留一点空隙，避免 iOS 地址栏遮住 */
  padding: calc(14px + env(safe-area-inset-top))
           max(16px, env(safe-area-inset-left))
           10px
           max(16px, env(safe-area-inset-right));
}   /* ← 这里一定要有这个大括号！ */

.appbar-inner {
  max-width: 1080px;
  margin: 0 auto;
}

/* 顶栏左侧品牌区：Logo + 标题 */
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: nowrap;   /* ✅ 不允许换行 */
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  flex: 1 1 auto;    /* ✅ 左侧这块可以被压缩 */
  min-width: 0;      /* ✅ 允许收缩，给右侧按钮留空间 */
}

/* 顶部 logo：统一尺寸，并且禁止被压缩 */
.brand .logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  overflow: hidden;
  display: block;
  background: transparent;
  color: inherit;
  flex: 0 0 auto;
}

.brand .logo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.brand .title {
  display: flex;
  flex-direction: column;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.1
}

.brand small {
  font-weight: 500;
  color: var(--muted)
}

/* 顶部右侧：教程 pill、日/夜切换按钮 */
.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: nowrap;   /* ✅ 不要换行 */
  flex: 0 0 auto;      /* ✅ 宽度由内容决定，不被挤压 */
}

/* [PILL] 轻量按钮：用在套餐 tab / 教程 pill 等 */
.pill {
  -webkit-user-select: none;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  vertical-align: middle;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1;
  color: var(--muted);
  text-decoration: none;
  background: color-mix(in oklab, var(--surface) 82%, transparent);
  border: 1px solid var(--glass-stroke);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--anim), background var(--anim), border-color var(--anim), box-shadow var(--anim), color var(--anim);
  box-shadow: 0 1px 1px rgba(2, 6, 23, .02);
}

.pill.is-active {
  color: var(--primary);
  border-color: color-mix(in oklab, var(--primary) 50%, var(--glass-stroke));
  background: color-mix(in oklab, var(--surface) 96%, var(--primary) 8%);
}

.pill:hover {
  color: var(--fg);
  border-color: color-mix(in oklab, var(--primary) 25%, var(--glass-stroke));
  background: color-mix(in oklab, var(--surface) 96%, var(--primary) 6%);
  box-shadow: 0 6px 18px -12px rgba(2, 6, 23, .25);
  transform: translateY(-1px);
  text-decoration: none;
}

.pill:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: 0 2px 8px -6px rgba(2, 6, 23, .30)
}

.pill:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px
}

.pill.just {
  animation: selectPop var(--anim)
}

@keyframes selectPop {
  0% { transform: scale(1) }
  60% { transform: scale(1.06) }
  100% { transform: scale(1) }
}

/* 图标按钮（日/夜） */
.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 70%, transparent);
  cursor: pointer;
  transition: transform var(--anim), background var(--anim), border-color var(--anim), color var(--anim);
  color: var(--muted);
  position: relative;
  overflow: hidden;
}

/* === 教程按钮：改成和日间 / 夜间按钮相同大小和形状 === */
#tutorialPill {
  /* 基本外形，跟 .icon-btn 一致 */
  padding: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;

  font-size: 13px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 70%, transparent);
  color: var(--muted);
  box-shadow: none;
}

/* hover / 选中状态，效果对齐 icon-btn */
#tutorialPill:hover,
#tutorialPill.is-active {
  color: var(--primary);
  border-color: color-mix(in oklab, var(--primary) 30%, var(--glass-stroke));
  background: color-mix(in oklab, var(--surface) 92%, var(--primary) 8%);
  box-shadow: 0 6px 16px -10px color-mix(in oklab, var(--primary) 35%, transparent);
}

/* 按下时轻微缩放 */
#tutorialPill:active {
  transform: scale(.98);
}

.icon-btn:active {
  transform: scale(.98)
}

.icon-btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px
}

.icon-toggle[aria-pressed="true"] {
  color: var(--primary);
  border-color: color-mix(in oklab, var(--primary) 30%, var(--glass-stroke));
  background: color-mix(in oklab, var(--surface) 92%, var(--primary) 8%);
  box-shadow: 0 6px 16px -10px color-mix(in oklab, var(--primary) 35%, transparent);
}

/* 通用小图标尺寸 */
.ic {
  width: 22px;
  height: 22px;
  display: block
}


/* ====== 主内容区 ====== */
main {
  /* 72px 是导航整体高度，再加 12px 就是和下面板块一致的间距 */
  padding-top: 84px;  /* ← 这里从 72px 改成 84px */

  padding-left: max(12px, env(safe-area-inset-left));
  padding-right: max(12px, env(safe-area-inset-right));
  padding-bottom: calc(12px + var(--tabbar-h) + env(safe-area-inset-bottom));
  max-width: 1080px;
  margin: 0 auto;
  width: 100%;
  background: var(--bg);
}

/* 通用卡片：玻璃拟物 + 圆角 + 阴影 */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: transform var(--anim), box-shadow var(--anim), border-color var(--anim);
}

.card .inner {
  padding: 16px
}

@media (hover:hover) {
  .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px -14px rgba(2, 6, 23, .30)
  }
}

/* 首页 hero 与两列 */
.hero {
  display: grid;
  gap: 14px;
  align-content: start;
  background: var(--surface);
}

.hero h1 {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 32px)
}

.hero p {
  margin: 0;
  color: var(--muted)
}

/* 首页 KPI 小卡片 */
.kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 6px
}

.kpi {
  border: 1px dashed var(--divider);
  border-radius: 12px;
  padding: 10px 12px
}

.kpi b {
  display: block;
  font-size: 18px
}

.muted {
  color: var(--muted)
}

/* 首页下方两列区域 */
.zone-two {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  grid-template-columns: 1fr;
}

.stack {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

@media (min-width:1024px) {
  .stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }
}

.indent2 {
  text-indent: 2em
}


/* ====== 功能特色列表 ====== */
.feat-list {
  display: grid;
  gap: 10px
}

.feat-item {
  border: 1px solid var(--glass-stroke);
  border-radius: 14px;
  padding: 12px;
  background: color-mix(in oklab, var(--surface) 88%, transparent);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: center;
}

.fi {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: color-mix(in oklab, var(--surface) 96%, var(--primary) 6%);
  border: 1px solid var(--glass-stroke);
  color: var(--primary);
  flex: 0 0 auto;
}

.fi .ic {
  width: 22px;
  height: 22px
}

.feat-item strong {
  display: block;
  margin: 0 0 .2em 0;
  font-size: clamp(16px, 1.8vw, 18px)
}

.feat-item p {
  margin: .2em 0 0;
  color: var(--muted)
}


/* ====== [PLANS] 套餐选购区 ====== */
/* 多列套餐卡片栅格 */
.plans-grid {
  display: grid;
  gap: 18px;
    grid-template-columns: 1fr; /* 默认一列，等会再对不同面板单独加多列 */
  margin-top: 12px;
  align-items: stretch;
}

/* 🧾 套餐页：中大屏自动多列（保持原来的自适应效果） */
@media (min-width: 768px) {
  #panel-plans .plans-grid-primary {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  #panel-plans .plans-grid-secondary {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .plan-guide {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 📚 教程中心：中大屏固定 3 列，卡片内部样式不变 */
@media (min-width: 768px) {
  #panel-tutorial #seg-guide .plans-grid,
  #panel-tutorial #seg-download .plans-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 套餐卡片整体结构：标题 + 价格 + 特性 + 底部购买按钮 */
.plan {
  display: flex;
}

.plan .inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.plan-title {
  font-weight: 800;
  font-size: clamp(18px, 1.6vw, 20px);
  margin: 0 0 6px
}

.price {
  font-size: clamp(22px, 2.3vw, 28px);
  font-weight: 800;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  white-space: nowrap;
}

.price-currency,
.price-unit {
  font-size: 0.55em;
  font-weight: 700;
  color: color-mix(in oklab, var(--fg) 80%, var(--muted));
  opacity: 0.85;
}

.price-main {
  font-size: 1.4em;
  letter-spacing: 0.04em;
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 6px 10px;
  margin-top: 4px;
}

.price-row .price {
  flex: 0 0 auto;
  white-space: nowrap;
}

.price-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1 1 auto;
  margin-top: 2px;
}

.price-tag {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 96%, transparent);
  font-size: 12px;
  line-height: 1.4;
  color: var(--muted);
  white-space: nowrap;
}

.bullets{
  margin:.45em 0 0;
  padding-left:1.15em;
  color:var(--muted);
  font-size:clamp(13px, 1.15vw, 16px);
  line-height:1.65;
  text-align:left;
}

.plan .bullets{
  align-self:stretch;
}

.plan .bullets li{
  margin-left:0;
}

.buy-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:auto;
  padding-top:14px;
}
.plan-note{
  margin:10px 0 0;
  padding:9px 11px;
  border-radius:12px;
  border:1px dashed color-mix(in oklab, var(--primary) 22%, var(--glass-stroke));
  background:color-mix(in oklab, var(--surface) 94%, var(--primary) 6%);
  color:var(--muted);
  font-size:13px;
  line-height:1.6;
}

.plan-guide{
  display:grid;
  gap:12px;
  margin:14px 0 10px;
}

.plan-guide-item{
  padding:14px 16px;
  border-radius:16px;
  border:1px solid var(--glass-stroke);
  background:color-mix(in oklab, var(--surface) 94%, transparent);
  display:flex;
  flex-direction:column;
  gap:4px;
}

.plan-guide-item strong{
  font-size:15px;
}

.plan-guide-item span{
  color:var(--muted);
  font-size:13px;
  line-height:1.6;
}

.plan-guide-item.featured{
  border-color:color-mix(in oklab, var(--primary) 34%, var(--glass-stroke));
  box-shadow:0 12px 32px -24px color-mix(in oklab, var(--primary) 42%, transparent);
}

.plan-bottom-note{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px dashed var(--divider);
}

.plan-bottom-note span{
  color:var(--muted);
  font-size:16px;
  font-weight:700;
  line-height:1.6;
}


.plan-shared-note{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 16px;
  margin:14px 0 18px;
  border-radius:16px;
  border:1px solid var(--glass-stroke);
  background:color-mix(in oklab, var(--surface) 96%, transparent);
}

.plan-shared-chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:30px;
  padding:0 12px;
  border-radius:999px;
  background:color-mix(in oklab, var(--primary) 12%, var(--surface));
  color:var(--primary);
  font-size:12px;
  font-weight:700;
}

.plan-shared-note p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
}

.plan-group-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin:22px 0 10px;
}

.plan-group-head h4{
  margin:0;
  font-size:20px;
}

.plan-group-head p{
  margin:6px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.6;
}

.plan-group-tag{
  flex:0 0 auto;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid var(--glass-stroke);
  background:color-mix(in oklab, var(--surface) 96%, transparent);
  color:var(--muted);
  font-size:12px;
}

.plan-head-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}

.bullets-compact{
  margin-top:.45em;
}

.bullets-compact li + li{
  margin-top:2px;
}

.plan-featured{
  position:relative;
  border-color:color-mix(in oklab, var(--primary) 28%, var(--glass-stroke));
  box-shadow:0 18px 40px -28px color-mix(in oklab, var(--primary) 45%, transparent), var(--card-shadow);
}

.plan-top-recommend{
  display:inline-flex;
  align-self:flex-start;
  margin-bottom:10px;
  padding:6px 10px;
  border-radius:999px;
  background:color-mix(in oklab, var(--primary) 14%, var(--surface));
  color:var(--primary);
  font-size:12px;
  font-weight:800;
}

.badge-featured{
  background:color-mix(in oklab, var(--primary) 14%, var(--surface));
  color:var(--primary);
  border-color:color-mix(in oklab, var(--primary) 30%, var(--glass-stroke));
}

/* 扁平矩形主按钮：套餐购买 / 一键导入等都使用这个基础样式 */
.buy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  min-height: 44px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  border: none;
  box-shadow: none;
  position: relative;
  overflow: hidden;
  transition:
    background-color var(--anim),
    transform var(--anim),
    opacity var(--anim);
}

.buy-btn .ic {
  width: 18px;
  height: 18px;
}

.buy-btn:hover {
  background: var(--btn-primary-bg-hover);
  transform: translateY(-1px);
}

.buy-btn:active {
  background: var(--btn-primary-bg-active);
  transform: translateY(0);
  opacity: .96;
}

.buy-btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* badge：用于套餐上方的小标签（如「热门」「免费」） */
.badge {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 95%, transparent);
  color: var(--muted)
}

.badge-flame {
  position: relative;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, .9);
  background: #020617;
  color: #fee2e2;
  font-weight: 900;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  overflow: visible;
}

.badge-free {
  background: linear-gradient(135deg, #16a34a, #bbf7d0);
  border-color: rgba(187, 247, 208, .9);
  color: #022c22;
  font-weight: 900;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  box-shadow:
    0 0 0 1px rgba(190, 242, 100, .9),
    0 0 14px rgba(34, 197, 94, .7);
}

.badge-free::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  border: 2px solid rgba(187, 247, 208, .4);
  box-shadow: 0 0 12px rgba(74, 222, 128, .6);
  opacity: 0;
  animation: badgeFreePulse 2.3s ease-out infinite;
}

@keyframes badgeFreePulse {
  0% {
    transform: scale(0.8);
    opacity: .9;
  }
  70% {
    transform: scale(1.25);
    opacity: 0;
  }
  100% {
    transform: scale(1.25);
    opacity: 0;
  }
}


/* [FAQ] 折叠问答 */
details {
  border: 1px solid var(--glass-stroke);
  border-radius: 14px;
  background: color-mix(in oklab, var(--surface) 88%, transparent);
  padding: 12px
}

details+details {
  margin-top: 14px
}

/* FAQ 每一行标题：字号 & 粗细同步到左侧卡片标题（关于我们 / 功能特色 / 服务承诺） */
summary {
  cursor: pointer;
  display: flex;
  gap: 10px;
  align-items: center;
  font-weight: 700;                           /* ✅ 标题重新加粗 */
  font-size: clamp(14px, 1.25vw, 16px);       /* ✅ 和左侧标题同一档字号 */
  list-style: none;
  min-height: 40px;
}


summary::-webkit-details-marker {
  display: none
}

summary::marker {
  content: ""
}

summary svg.ic {
  width: 22px;
  height: 22px;
  color: var(--muted);
  flex: 0 0 auto;
  display: block
}

.faq-body {
  padding: 8px 2px 6px;
  container-type: inline-size
}

/* FAQ 展开正文：字号同步到卡片正文文案 */
.faq-body p,
.faq-body li {
  font-size: clamp(13px, 1.1vw, 15px);        /* ✅ 和正文文案统一 */
  line-height: 1.8;
}

.faq-body ol {
  list-style-position: inside;
  padding-left: 0;
  margin: 0
}

.faq-body li {
  margin: .35em 0
}

/* 强调链接：用于文案中需要突出的跳转 */
.link-plain {
  color: color-mix(in oklab, var(--primary) 85%, var(--fg));
  font-weight: 800;
  text-decoration: none;
  transition: opacity var(--anim), color var(--anim);
}

.link-plain:hover {
  opacity: .9;
  color: color-mix(in oklab, var(--primary) 95%, var(--fg));
}

/* 服务图标行：配合文字说明显示平台图标（如 Apple / Google 等） */
.svc-icons {
  display: inline-flex;
  gap: 10px;
  vertical-align: -4px;
  margin: 0 .2em;
  color: var(--muted)
}

.svc {
  width: 22px;
  height: 22px;
  display: block
}

.emph {
  font-weight: 800
}

/* 面板显隐：不同 Tab 对应的内容块（首页 / 套餐 / 教程 / 兑换 等） */
.panel {
  display: none;
  animation: fadeIn var(--anim)
}

.panel[aria-hidden="false"] {
  display: block
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px)
  }
  to {
    opacity: 1;
    transform: none
  }
}


/* [TABBAR] 底部导航栏（五个 Tab） */
.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 49;
  padding-bottom: max(6px, env(safe-area-inset-bottom));
  background: color-mix(in oklab, var(--surface) 60%, transparent);
  backdrop-filter: blur(var(--blur));
  border-top: 1px solid var(--glass-stroke);
}

.tabbar .row {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  padding: 6px 8px
}

/* 选中 Tab 的高亮背景块，会在不同 Tab 下滑动 */
/* 修改后 */
.tab-indicator {
  position: absolute;
  top: 6px;
  bottom: 6px;              /* ✅ 去掉 env(...) */
  left: 0;
  width: 0;
  transform: translateX(0);
  z-index: 0;
  border-radius: 12px;
  opacity: 0;
  border: 0;
  background: color-mix(in oklab, var(--surface) 92%, white 18%);
  box-shadow: 0 8px 20px -14px rgba(2, 6, 23, .35);
  transition: transform var(--anim), width var(--anim), opacity var(--anim);
}

.tab-indicator.on {
  opacity: 1;
  border: 1px solid color-mix(in oklab, var(--primary) 28%, var(--glass-stroke))
}

/* 底部单个 Tab 按钮 */
.tab-btn {
  -webkit-user-select: none;
  user-select: none;
  display: grid;
  justify-items: center;
  align-items: center;
  gap: 4px;
  padding: 8px 6px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
  transition: color var(--anim), transform var(--anim);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.tab-btn svg.ic {
  width: 20px;
  height: 20px;
  display: block
}

.tab-btn[aria-selected="true"] {
  color: var(--primary);
  border-color: color-mix(in oklab, var(--primary) 22%, var(--glass-stroke));
  box-shadow: 0 6px 16px -10px color-mix(in oklab, var(--primary) 35%, transparent);
}

.tab-btn[aria-selected="true"] .ic {
  transform: translateY(-1px) scale(1.06);
  transition: transform var(--anim)
}


/* Sheet/Field/Toast：通用弹层 + 输入框 + 提示气泡 */
.sheet {
  position: fixed;
  inset: 0;
  display: none;
  place-items: end center;
  z-index: 60
}

.sheet[aria-hidden="false"] {
  display: grid
}

.sheet .scrim {
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 18, .45)
}

.sheet .panel {
  position: relative;
  width: min(680px, 100%);
  background: var(--surface);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  border: 1px solid var(--glass-stroke);
  box-shadow: 0 -24px 60px -12px rgba(2, 6, 23, .55);
  transform: translateY(8px);
  animation: slideUp var(--anim) forwards;
}

@keyframes slideUp {
  to {
    transform: none
  }
}

.sheet .hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--divider)
}

.sheet .bd {
  padding: 16px;
  display: grid;
  gap: 12px
}

.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap
}

/* 输入框（比如兑换码输入） */
.field {
  flex: 1 1 260px;
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: color-mix(in oklab, var(--surface) 85%, transparent);
  border: 1px solid var(--glass-stroke);
  transition: border-color var(--anim), box-shadow var(--anim), transform var(--anim)
}

.field input {
  border: none;
  outline: none;
  background: transparent;
  color: inherit;
  width: 100%;
  font-size: 16px;        /* 关键：至少 16px，iOS 就不会自动放大页面 */
  line-height: 1.5;
}

.field:has(input:focus-visible) {
  border-color: color-mix(in oklab, var(--primary) 40%, var(--glass-stroke));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ring) 35%, transparent)
}

.field.error {
  border-color: #ef4444;
  animation: shakeX .18s ease-in-out 0s 2
}

@keyframes shakeX {
  0%,100% {transform: translateX(0)}
  50% {transform: translateX(3px)}
}

/* 底部 Toast 提示：如“复制成功” */
.toast {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 8px);
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(17, 24, 39, .9);
  color: #fff;
  font-size: 14px;
  display: none;
  z-index: 70;
  border: 1px solid rgba(255, 255, 255, .18);
  animation: fadeIn var(--anim)
}

.toast[aria-hidden="false"] {
  display: block
}

/* 涟漪（pill / icon / buy）：按下时的点击波纹效果 */
.pill::after,
.icon-btn::after,
.buy-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transform: scale(0);
  background: radial-gradient(120px 120px at var(--rx, 50%) var(--ry, 50%), rgba(255, 255, 255, .35), transparent 40%);
  transition: transform 500ms ease, opacity 650ms ease;
  border-radius: inherit;
}

.pill.is-press::after,
.icon-btn.is-press::after,
.buy-btn.is-press::after {
  opacity: 0;
  transform: scale(2.6)
}

@media (prefers-reduced-motion:reduce) {
  .pill::after,
  .icon-btn::after,
  .buy-btn::after {
    display: none
  }
}

/* 兼容性兜底：不支持毛玻璃 / color-mix 的浏览器降级处理 */
@supports not ((backdrop-filter: blur(10px)) or (-webkit-backdrop-filter: blur(10px))) {
  .appbar,
  .tabbar {
    background: var(--surface)
  }
}

@supports not (color: color-mix(in oklab, black 10%, white)) {
  .appbar,
  .tabbar,
  .pill,
  .field {
    background: rgba(255, 255, 255, .75)
  }
}


/* 教程中心二级切换：教程 / 下载 两个子面板 */
#panel-tutorial[data-seg="guide"] #seg-download {
  display: none;
}
#panel-tutorial[data-seg="download"] #seg-guide {
  display: none;
}

/* 顶部二级 tab：两个 pill */
.seg {
  display: inline-flex;
  gap: 4px;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.seg-btn {
  border-radius: 999px;
  border: none;
  padding: 6px 16px;
  font-size: 14px;
  line-height: 1;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
  cursor: pointer;
  transition: background var(--anim), color var(--anim), transform var(--anim);
}

.seg-btn[aria-selected="true"] {
  background: #ffffff;
  color: var(--primary);
  box-shadow: 0 2px 8px -4px rgba(15, 23, 42, .18);
  transform: translateY(-0.5px);
}

.seg-btn[aria-selected="false"] {
  background: transparent;
  color: var(--muted);
}

/* 桌面端让 “教程 / 下载” 居中 */
@media (min-width: 768px) {
  #panel-tutorial .seg {
    display: flex;
    justify-content: center;
  }
}

/* === 教程 & 下载：卡片布局 + 按钮行为（所有浏览器统一） === */

/* 卡片外观 */
#seg-guide .card,
#seg-download .card {
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--glass-stroke);
  box-shadow: var(--card-shadow);
}

/* 卡片内部：上面 icon+文字，下面按钮组（纵向堆叠） */
.seg-panel .card .inner.dl-inner {
  padding: 18px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;   /* ✅ 整块内容在卡片中水平居中 */
  text-align: center;    /* ✅ 标题/副标题文字居中 */
}

/* 上半部分：图标 + 文案（和你截图一一致） */
.dl-main {
  display: flex;
  align-items: center;
  justify-content: center;  /* 新增：居中 icon + 文案 */
  gap: 14px;
}

.dl-icon {
  width: 56px;
  height: 56px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  background: color-mix(in oklab, var(--surface) 88%, var(--primary) 12%);
  border: 1px solid color-mix(in oklab, var(--primary) 30%, var(--glass-stroke));
  box-shadow: 0 12px 30px -18px rgba(15, 23, 42, .35);
  color: var(--primary);
}

.dl-icon .ic {
  width: 28px;
  height: 28px;
}

.dl-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.dl-subtitle { display: none; }

/* 下半部分：按钮组
   - 一个按钮：居中一行
   - 两个按钮：同一行并排显示（你说的“两个按钮时，同行显示”） */
.dl-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;   /* 屏幕太窄才会自动换行 */
  margin-top: 4px;
}

/* 统一按钮样式：宽度跟内容走，不拉满整行 */
.dl-cta,
#seg-guide [data-act="guide"],
#seg-download [data-act="download"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 26px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--primary) 40%, var(--glass-stroke));
  background: color-mix(in oklab, var(--surface) 96%, white 6%);
  color: color-mix(in oklab, var(--primary) 92%, var(--fg));
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  min-width: 130px;
  max-width: 220px;
  text-align: center;
  box-shadow: 0 6px 18px -12px rgba(15, 23, 42, .28);
  transform: translateY(0);
  background-image: none;
  transition:
    background var(--anim),
    color var(--anim),
    border-color var(--anim),
    box-shadow var(--anim),
    transform var(--anim);

  flex: 0 0 auto;   /* 🔹新增 */
  width: auto;      /* 🔹新增 */
}

/* hover / active 统一 */
.dl-cta:hover,
#seg-guide [data-act="guide"]:hover,
#seg-download [data-act="download"]:hover {
  background: color-mix(in oklab, var(--surface) 94%, var(--primary) 8%);
  box-shadow: 0 10px 26px -16px rgba(15, 23, 42, .4);
  transform: translateY(-1px);
}

.dl-cta:active,
#seg-guide [data-act="guide"]:active,
#seg-download [data-act="download"]:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px -8px rgba(15, 23, 42, .5);
}

/* 暗色模式下的按钮 */
[data-theme="dark"] .dl-cta,
[data-theme="dark"] #seg-guide [data-act="guide"],
[data-theme="dark"] #seg-download [data-act="download"] {
  background: color-mix(in oklab, #020617 82%, var(--primary) 18%);
  border-color: color-mix(in oklab, var(--primary) 55%, transparent);
  color: #e5edff;
  box-shadow: 0 18px 40px -20px color-mix(in oklab, var(--primary) 70%, transparent);
}

[data-theme="dark"] .dl-cta:hover,
[data-theme="dark"] #seg-guide [data-act="guide"]:hover,
[data-theme="dark"] #seg-download [data-act="download"]:hover {
  background: color-mix(in oklab, #020617 76%, var(--primary) 24%);
}

/* 小屏：按钮稍微收紧一点 */
@media (max-width: 480px) {
  .dl-cta,
  #seg-guide [data-act="guide"],
  #seg-download [data-act="download"] {
    min-width: 115px;
    padding: 6px 16px;
    font-size: 13px;
  }
}

/* 手机端顶栏：Logo + 文案 + 教程/日夜 挤在同一行，按钮在右边 */
@media (max-width: 768px) {
  .appbar-inner {
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }

  /* 不允许换行，一定挤在一行里 */
  .brand-row {
    flex-wrap: nowrap;
  }

  /* 左侧 logo + 文案 占一行的“自适应空间”，可以压缩并省略号 */
  .brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  .brand .title {
    font-size: 14px;
  }

  .brand small {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;  /* 文案太长时用 … 截断 */
  }

  /* 右侧三个按钮占固定宽度，不挤到下一行 */
  .actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
  }

  /* 三个按钮稍微缩小一点，避免遮挡文字 */
  .actions .icon-btn,
  #tutorialPill {
    width: 32px;
    height: 32px;
    border-radius: 12px;
  }

  .actions .icon-btn .ic {
    width: 18px;
    height: 18px;
  }
}

  /* 教程 pill 稍微缩小一点 */
  .appbar .actions .pill {
    padding: 6px 10px;
    font-size: 13px;
    border-radius: 999px;
  }

  /* 教程 + 日间 + 夜间按钮统一尺寸 */
  .appbar .actions .icon-btn,
  #tutorialPill {
    width: 32px;
    height: 32px;
    border-radius: 10px;
  }

  #tutorialPill {
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .appbar .actions .icon-btn .ic {
    width: 18px;
    height: 18px;
  }

  .video-wrap {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  background: #000;
}

.video-wrap video {
  display: block;
  width: 100%;
  height: auto;
}

/* =========================
 *  订阅中心按钮：统一扁平矩形样式
 * ========================= */

/* 公共按钮样式：扁平矩形，不要胶囊 */
.sub-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 20px;
  min-height: 44px;
  border-radius: 10px;          /* ✅ 不是 999px 的胶囊 */
  border: none;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  box-shadow: none;
  width: auto;                   /* ✅ 根据文字自适应，不拉满整行 */
  max-width: 100%;
  transition:
    background-color var(--anim),
    transform var(--anim),
    opacity var(--anim);
}

/* iOS：蓝色 */
.sub-btn-ios {
  background: #2563eb;
  color: #ffffff;
}
.sub-btn-ios:hover {
  background: #1d4ed8;
}
.sub-btn-ios:active {
  background: #1e40af;
}

/* Android：绿色 */
.sub-btn-android {
  background: #16a34a;
  color: #ffffff;
}
.sub-btn-android:hover {
  background: #15803d;
}
.sub-btn-android:active {
  background: #166534;
}

/* 复制链接：青色，同样扁平矩形 */
.sub-btn-copy {
  background: #06b6d4;
  color: #ffffff;
}
.sub-btn-copy:hover {
  background: #0891b2;
}
.sub-btn-copy:active {
  background: #0e7490;
}

/* 移动端：复制按钮不要拉长 */
@media (max-width: 768px) {
  .sub-btn {
    width: auto;              /* 再强调一遍，防止其它样式设置了 100% */
  }

  .sub-btn-copy {
    align-self: flex-start;   /* 在 flex 容器里靠左，不居中拉长 */
    max-width: 260px;         /* 给个上限，防止超宽 */
  }
}

/* ====== 订阅页：移动端复制链接按钮不要拉满 ====== */
#copySubBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: auto !important;          /* 彻底取消 100% 宽度 */
  max-width: 220px;                /* 最多这么宽 */
  flex: 0 0 auto !important;       /* 在 flex 容器里不被拉伸 */

  padding-inline: 14px;            /* 比导入按钮窄一点 */
}

/* 超小屏（iPhone 竖屏）再收紧一点 */
@media (max-width: 480px) {
  #copySubBtn {
    max-width: 200px;
    padding-inline: 12px;
  }
}

/* 订阅页：兑换输入框右侧“确定”按钮，改成和方框一样的扁平圆角矩形 */
.sub-code-row {
  display: flex;
  gap: 10px;
}

/* 左边方框占满一行，其它不动 */
.sub-code-row .field {
  flex: 1 1 auto;
}

.sub-hints {
  font-size: 12px;
  margin-top: 12px;
  padding-left: 1.4em;   /* 调整一下列表缩进，按需改 */
}

.sub-hints li + li {
  margin-top: 4px;       /* 两行之间稍微拉开一点 */
}

/* 统一取消“立即购买”按钮的下划线 */
.buy-btn,
a.buy-btn,
a.buy-btn:link,
a.buy-btn:visited,
a.buy-btn:hover,
a.buy-btn:active {
  text-decoration: none;
}

/* ===== 仅 iOS 生效：改用 main 作为滚动容器，避免套餐页到底自动回弹 ===== */
@supports (-webkit-touch-callout: none) {  /* 这是 WebKit(iOS) 的特征检测 */

  html, body {
    height: 100%;
  }

  /* ✅ iOS 下禁止 body 自己滚动，只让 main 滚 */
  body {
    overflow: hidden;
  }

  /* ✅ main 占满整屏，高度固定，内部内容可滚动 */
  main {
    height: 100dvh;                 /* 支持 dvh 时优先用它，避免地址栏伸缩问题 */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;  /* 保留惯性滚动 */
  }

  /* 万一有老设备不认 100dvh，用 100vh 做兜底 */
  @supports not (height: 100dvh) {
    main {
      height: 100vh;
    }
  }
}

/* iOS 键盘弹出时锁定 body，防止整个页面被顶飞 */
body.kb-lock {
  position: fixed;
  width: 100%;
}

html { scrollbar-gutter: stable; } /* 或 stable both-edges */

/* FAQ - 服务图标：统一尺寸、对齐、自动换行 */
.svc-icons{
  display: inline-flex;
  flex-wrap: wrap;          /* 小屏自动换行 */
  gap: 10px;                /* 图标间距 */
  align-items: center;      /* 垂直居中对齐 */
  vertical-align: middle;   /* 与文字同一基线更自然 */
  margin: 0 6px;            /* 与前后文字留点空隙 */
}

.svc-img{
  width: 64px;              /* 你截图里感觉偏大，这里先给 64 */
  height: 64px;
  object-fit: contain;      /* 保持原比例不变形 */
  display: block;           /* 去掉 inline 图片的基线/空隙问题 */
  flex: 0 0 auto;
}

/* 小屏再缩一点 */
@media (max-width: 480px){
  .svc-img{
    width: 48px;
    height: 48px;
  }
}

/* 超小屏再缩一点（可选） */
@media (max-width: 360px){
  .svc-img{
    width: 40px;
    height: 40px;
  }
}

/* 默认（白天/通用）：不处理 */
.svc-img--gpt { }

/* 夜间模式：给 ChatGPT 图标加一圈浅色描边/发光 */
:root[data-theme="dark"] .svc-img--gpt{
  filter: drop-shadow(0 0 2px rgba(255,255,255,.85))
          drop-shadow(0 0 6px rgba(255,255,255,.45));
}

/* ===== 教程中心：注意事项（iOS/Android/Windows） ===== */

.notice-group{
  margin-top: 18px;
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(99,102,241,.22);
  background: color-mix(in oklab, var(--surface) 86%, var(--primary) 8%);
  box-shadow: 0 10px 24px rgba(0,0,0,.06);
}

.notice-hd{
  font-weight: 800;
  font-size: 14px;
  margin: 0 0 10px;
  color: var(--fg);
}

/* ✅ 关键：给每列一个最小宽度，避免窄到“一字一行” */
.notice-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 12px;
  align-items: start;
}

/* ✅ 避免和你其它 .card/.notice 命名冲突，用 notice-item */
.notice-item{
  padding: 12px 12px;
  border-radius: 14px;
  background: color-mix(in oklab, var(--surface) 92%, white 8%);
  border: 1px solid var(--glass-stroke);
}

.notice-title{
  font-weight: 900;
  font-size: 13px;
  margin: 0 0 6px;
  color: var(--fg);
}

.notice-list{
  margin: 0;
  padding-left: 18px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

.notice-list li{ margin: 4px 0; }

/* 响应式：平板 2 列、手机 1 列 */
@media (max-width: 980px){
  .notice-grid{ grid-template-columns: repeat(2, minmax(220px, 1fr)); }
}
@media (max-width: 640px){
  .notice-grid{ grid-template-columns: 1fr; }
}

/* 深色主题（你是 data-theme="dark"，不是 prefers-color-scheme） */
[data-theme="dark"] .notice-group{
  background: color-mix(in oklab, var(--surface) 86%, var(--primary) 12%);
  border-color: rgba(99,102,241,.30);
  box-shadow: 0 12px 28px rgba(0,0,0,.28);
}
[data-theme="dark"] .notice-item{
  background: color-mix(in oklab, var(--surface) 92%, #000 10%);
  border-color: rgba(255,255,255,.10);
}

/* ===== 教程卡：平台图标在夜间模式变亮/反相 ===== */
[data-theme="dark"] #panel-tutorial .dl-icon img.ic{
  filter: invert(1) brightness(1.15) contrast(1.05);
  opacity: .92;
}


/* ===== 注意事项：三块卡片同高 ===== */
.notice-grid{
  align-items: stretch;    /* ✅ 让每个 grid item 拉伸到同一行高度 */
}

.notice-item{
  height: 100%;            /* ✅ 填满所在 grid 单元格 */
  display: flex;           /* ✅ 让内部结构更稳定 */
  flex-direction: column;
}

.notice-list{
  margin-top: 6px;
  flex: 1 1 auto;          /* ✅ 内容多就撑高；内容少也会占位保持同高观感 */
}

/* ====== 首页增强：主视觉 / 快速开始 / FAQ 预览 ====== */
.hero-plus {
  overflow: hidden;
}

.hero-grid {
  display: grid;
  gap: 18px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 92%, var(--primary) 8%);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 94%, transparent);
  color: var(--fg);
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--anim), border-color var(--anim), background var(--anim);
}

.ghost-btn:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklab, var(--primary) 35%, var(--glass-stroke));
  background: color-mix(in oklab, var(--surface) 92%, var(--primary) 8%);
}

.plan-support-btn {
  min-width: 280px;
  min-height: 52px;
  padding: 14px 24px;
  border-radius: 18px;
  border-color: color-mix(in oklab, var(--primary) 18%, var(--glass-stroke));
  background: color-mix(in oklab, var(--surface) 98%, var(--primary) 3%);
  color: var(--fg);
  box-shadow: 0 12px 24px -18px rgba(2, 6, 23, .22);
}

.plan-support-btn .ic {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.plan-support-btn:hover {
  box-shadow: 0 16px 30px -20px rgba(2, 6, 23, .28);
}

.support-hero-btn .ic {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

.hero-visual {
  position: relative;
  min-height: 320px;
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--glass-stroke);
  background:
    radial-gradient(circle at top left, rgba(34,211,238,.22), transparent 35%),
    radial-gradient(circle at bottom right, rgba(99,102,241,.26), transparent 38%),
    linear-gradient(135deg, rgba(15,23,42,.96), rgba(17,24,39,.82));
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(12px);
  opacity: .85;
}

.hero-orb-a {
  width: 170px;
  height: 170px;
  top: -36px;
  right: -20px;
  background: rgba(34, 211, 238, .20);
}

.hero-orb-b {
  width: 140px;
  height: 140px;
  left: -18px;
  bottom: -26px;
  background: rgba(99, 102, 241, .20);
}

.device {
  position: absolute;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.05);
  box-shadow: 0 18px 42px -24px rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
}

.device-laptop {
  left: 50%;
  top: 54%;
  width: min(86%, 430px);
  aspect-ratio: 1.45 / 1;
  border-radius: 22px;
  transform: translate(-50%, -50%);
}

.device-phone {
  width: 132px;
  aspect-ratio: .63 / 1;
  border-radius: 22px;
}

.device-phone-left {
  left: 24px;
  bottom: 26px;
  transform: rotate(-9deg);
}

.device-phone-right {
  right: 24px;
  top: 28px;
  transform: rotate(9deg);
}

.device-screen {
  position: absolute;
  inset: 10px;
  border-radius: inherit;
  padding: 16px;
  background: linear-gradient(180deg, rgba(15,23,42,.98), rgba(30,41,59,.92));
  color: #e5eefb;
}

.screen-top {
  height: 10px;
  width: 34%;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
}

.screen-lines {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.screen-lines span {
  display: block;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(34,211,238,.85), rgba(99,102,241,.32));
}

.screen-lines span:nth-child(2) { width: 82%; }
.screen-lines span:nth-child(3) { width: 68%; }

.screen-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.screen-tags span,
.hero-floating {
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.08);
  color: #eff6ff;
  font-size: 12px;
}

.device-screen.small {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 6px;
}

.device-screen.small img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.device-screen.small strong {
  font-size: 15px;
}

.device-screen.small small {
  color: rgba(226,232,240,.82);
  line-height: 1.5;
}

.hero-floating {
  position: absolute;
  backdrop-filter: blur(8px);
}

.hero-floating-a {
  left: 36px;
  top: 26px;
}

.hero-floating-b {
  right: 34px;
  bottom: 24px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.starter-card,
.faq-preview-card {
  margin-top: 12px;
}

.zone-two > .faq-preview-card {
  grid-column: 1 / -1;
}

.zone-two > .maturity-card {
  grid-column: 1 / -1;
}

.starter-grid,
.faq-preview-grid {
  display: grid;
  gap: 12px;
}

.starter-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: flex-start;
  padding: 14px;
  border: 1px solid var(--glass-stroke);
  border-radius: 14px;
  background: color-mix(in oklab, var(--surface) 92%, transparent);
}

.starter-no {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: color-mix(in oklab, var(--surface) 90%, var(--primary) 10%);
  color: var(--primary);
  font-weight: 800;
}

.starter-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
}

.starter-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  text-indent: 2em;
}


.faq-preview-grid details {
  margin-top: 0;
  padding: 0;
  overflow: hidden;
}

.faq-preview-grid summary {
  min-height: 0;
  padding: 18px 22px;
  font-size: clamp(15px, 1.45vw, 18px);
  line-height: 1.45;
}

.faq-preview-grid summary::after {
  content: '+';
  margin-left: auto;
  font-size: 22px;
  line-height: 1;
  color: var(--muted);
  transition: transform var(--anim), color var(--anim);
}

.faq-preview-grid details[open] summary::after {
  transform: rotate(45deg);
  color: var(--primary);
}

.faq-preview-grid details p {
  margin: 0;
  padding: 0 22px 18px;
  color: var(--muted);
  line-height: 1.75;
  text-indent: 2em;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.06fr .94fr;
  }

  .starter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-preview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .hero-scene-tag {
    min-height: 34px;
    padding: 0 14px;
    font-size: 13px;
  }

  .faq-preview-grid summary {
    padding: 16px 18px;
  }

  .faq-preview-grid details p {
    padding: 0 18px 16px;
  }

  .hero-visual {
    min-height: 280px;
  }

  .device-phone {
    width: 108px;
  }

  .hero-floating-a {
    left: 18px;
    top: 16px;
  }

  .hero-floating-b {
    right: 16px;
    bottom: 16px;
  }
}


.hero-mini-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.hero-scene-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid color-mix(in oklab, var(--primary) 18%, var(--glass-stroke));
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 96%, white 4%), color-mix(in oklab, var(--surface) 90%, var(--primary) 4%));
  color: color-mix(in oklab, var(--fg) 86%, var(--primary) 14%);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.55), 0 8px 20px -16px rgba(37, 99, 235, .32);
}

.hero-scene-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 999px;
  margin-right: 10px;
  background: color-mix(in oklab, var(--primary) 78%, white 22%);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--primary) 12%, transparent);
}

.hero-visual-pro {
  min-height: 350px;
}

.hero-gridline {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.15));
  pointer-events: none;
}

.device-laptop-pro {
  width: min(88%, 450px);
  aspect-ratio: 1.38 / 1;
  top: 53%;
}

.device-dashboard {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 14px;
}

.dashboard-top {
  display: flex;
  align-items: center;
  gap: 7px;
}

.dashboard-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.22);
}

.dashboard-pill {
  margin-left: auto;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  color: #dbeafe;
  background: rgba(96,165,250,.18);
  border: 1px solid rgba(147,197,253,.18);
}

.dashboard-main {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 12px;
  flex: 1 1 auto;
}

.dashboard-side,
.dashboard-panel {
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.05);
  border-radius: 18px;
}

.dashboard-side {
  padding: 12px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.side-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 12px;
  font-size: 12px;
  color: rgba(226,232,240,.88);
  background: rgba(255,255,255,.04);
}

.side-chip.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(34,211,238,.32), rgba(99,102,241,.28));
}

.dashboard-panel {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: #e2e8f0;
}

.panel-head span {
  color: #67e8f9;
  font-size: 12px;
}

.chart-bars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 8px;
  min-height: 110px;
}

.chart-bars span {
  display: block;
  border-radius: 14px 14px 8px 8px;
  background: linear-gradient(180deg, rgba(34,211,238,.92), rgba(99,102,241,.38));
}

.chart-bars span:nth-child(1) { height: 42%; }
.chart-bars span:nth-child(2) { height: 64%; }
.chart-bars span:nth-child(3) { height: 88%; }
.chart-bars span:nth-child(4) { height: 58%; }
.chart-bars span:nth-child(5) { height: 76%; }

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.dashboard-metrics div {
  padding: 10px;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
}

.dashboard-metrics b,
.scene-item strong {
  display: block;
}

.dashboard-metrics b {
  color: #f8fafc;
  font-size: 18px;
}

.dashboard-metrics small {
  color: rgba(226,232,240,.78);
}

.dashboard-apps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dashboard-apps span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: #eff6ff;
  background: rgba(255,255,255,.08);
}

.dashboard-apps img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.device-phone-pro {
  border-color: rgba(255,255,255,.11);
}

.app-card-screen {
  justify-content: flex-end;
}

.mini-signal {
  display: flex;
  align-items: end;
  gap: 5px;
  margin-top: 4px;
}

.mini-signal span {
  display: block;
  width: 8px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(34,211,238,.95), rgba(96,165,250,.48));
}

.mini-signal span:nth-child(1) { height: 14px; }
.mini-signal span:nth-child(2) { height: 22px; }
.mini-signal span:nth-child(3) { height: 18px; }

.hero-floating-c {
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
}

.scene-card {
  margin-top: 12px;
}

.scene-strip {
  display: grid;
  gap: 12px;
}

.scene-item {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 92%, transparent);
}

.scene-item span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

@media (min-width: 900px) {
  .scene-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .dashboard-main {
    grid-template-columns: 1fr;
  }

  .dashboard-side {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-content: stretch;
  }
}

@media (max-width: 680px) {
  .hero-visual-pro {
    min-height: 310px;
  }

  .device-laptop-pro {
    width: min(90%, 340px);
  }

  .dashboard-main {
    grid-template-columns: 1fr;
  }

  .dashboard-side {
    display: none;
  }

  .dashboard-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-floating-c {
    display: none;
  }
}


/* ====== 第三轮：首页成熟官网化增强 ====== */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.maturity-card,
.quick-entry-card {
  margin-top: 12px;
}

.maturity-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.maturity-item {
  position: relative;
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--glass-stroke);
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 96%, white 4%), color-mix(in oklab, var(--surface) 90%, var(--primary) 4%));
  display: grid;
  grid-template-columns: 128px minmax(240px, 340px) minmax(0, 1fr);
  align-items: start;
  gap: 18px;
}

.maturity-item.featured {
  border-color: color-mix(in oklab, var(--primary) 38%, var(--glass-stroke));
  box-shadow: 0 16px 40px -24px color-mix(in oklab, var(--primary) 38%, transparent);
}

.maturity-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-width: 110px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--primary) 26%, var(--glass-stroke));
  color: var(--primary);
  background: color-mix(in oklab, var(--surface) 94%, var(--primary) 8%);
  font-size: 13px;
  font-weight: 700;
}

.maturity-item h4 {
  margin: 0;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.3;
}

.maturity-item p,
.maturity-foot {
  margin: 0;
  color: var(--muted);
  text-indent: 2em;
  line-height: 1.8;
}

.maturity-foot {
  padding-top: 12px;
  border-top: 1px dashed var(--divider);
  font-size: 14px;
}

.maturity-body {
  display: grid;
  gap: 14px;
}
.maturity-body {
  min-width: 0;
}

.maturity-item h4,
.maturity-item p,
.maturity-foot {
  word-break: break-word;
}

.quick-entry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.quick-entry-item {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
  color: inherit;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 92%, transparent);
  display: grid;
  gap: 10px;
  cursor: pointer;
  transition: transform var(--anim), border-color var(--anim), box-shadow var(--anim), background var(--anim);
}

.quick-entry-item:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--primary) 24%, var(--glass-stroke));
  box-shadow: 0 16px 34px -26px rgba(2, 6, 23, .38);
  background: color-mix(in oklab, var(--surface) 96%, var(--primary) 5%);
}

.quick-entry-item strong {
  font-size: 16px;
}

.quick-entry-item small {
  color: var(--muted);
  line-height: 1.5;
}

.quick-entry-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--glass-stroke);
  background: color-mix(in oklab, var(--surface) 94%, var(--primary) 7%);
  color: var(--primary);
}

@media (max-width: 980px) {
  .quick-entry-grid {
    grid-template-columns: 1fr 1fr;
  }

  .maturity-item {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .maturity-item h4 {
    font-size: clamp(20px, 3vw, 24px);
  }
}

@media (max-width: 640px) {
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .quick-entry-grid {
    grid-template-columns: 1fr;
  }

  .maturity-item {
    padding: 16px;
  }

  .maturity-item p,
  .maturity-foot {
    font-size: 15px;
  }
}


.plan .inner > .buy-row + .purchase-tip {
  margin-top: 8px;
}

.purchase-tip {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.badge {
  letter-spacing: .2px;
}

.plan .badge {
  white-space: nowrap;
}

.hero-copy h1 {
  text-wrap: balance;
}

@media (max-width: 680px) {
  .hero-actions {
    gap: 12px;
  }

  .hero-actions > .buy-btn,
  .hero-actions > .ghost-btn {
    flex: 1 1 calc(50% - 6px);
  }

  .hero-actions > .support-hero-btn {
    flex-basis: 100%;
  }

  .plan-bottom-note {
    align-items: stretch;
  }
}


@media (min-width: 768px) {
  #panel-plans .plan .inner {
    display: flex;
    flex-direction: column;
    align-content: stretch;
  }

  #panel-plans .plan .bullets,
  #panel-plans .plan .plan-note,
  #panel-plans .plan .purchase-tip {
    align-self: stretch;
  }

  #panel-plans .plan .plan-note {
    display: flex;
    align-items: flex-start;
  }
}


@media (max-width: 860px) {
  .plan-shared-note,
  .plan-group-head{
    flex-direction:column;
    align-items:flex-start;
  }
}

@media (max-width: 1100px) and (min-width: 768px) {
  #panel-plans .plans-grid-primary,
  #panel-plans .plans-grid-secondary{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


@media (max-width: 860px) {
  .plan-support-btn {
    width: 100%;
    min-width: 0;
    justify-content: center;
  }
}

.hero-copy h1 {
  max-width: 14ch;
}

.hero-copy .indent2 {
  max-width: 42ch;
}

.hero-copy .kpis {
  margin-top: 16px !important;
}

@media (max-width: 720px) {
  .hero-copy h1 {
    max-width: none;
  }

  .hero-copy .indent2 {
    max-width: none;
  }
}


/* ====== 按钮样式预览 ====== */
.button-preview-card{
  margin-top:20px;
}

.button-preview-grid{
  display:grid;
  gap:14px;
  margin-top:18px;
}

.button-preview-item{
  padding:16px 18px;
  border:1px solid var(--glass-stroke);
  border-radius:18px;
  background:color-mix(in oklab, var(--surface) 95%, transparent);
}

.button-preview-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  color:var(--fg);
}

.button-preview-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  border-radius:999px;
  background:color-mix(in oklab, var(--primary) 12%, var(--surface));
  color:var(--primary);
  font-weight:800;
  font-size:13px;
}

.button-preview-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.btn-option{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 20px;
  border:none;
  cursor:pointer;
  font-size:14px;
  font-weight:800;
  letter-spacing:.01em;
  transition:transform var(--anim), box-shadow var(--anim), border-color var(--anim), background var(--anim), color var(--anim);
}

.btn-option .ic{
  width:18px;
  height:18px;
}

.btn-option:hover{
  transform:translateY(-1px);
}

.btn-option-1{
  border-radius:12px;
  background:var(--btn-primary-bg);
  color:var(--btn-primary-fg);
  box-shadow:0 16px 28px -18px color-mix(in oklab, var(--btn-primary-bg) 72%, transparent);
}

.btn-option-1.is-secondary{
  background:color-mix(in oklab, var(--surface) 96%, white 4%);
  color:var(--fg);
  border:1px solid color-mix(in oklab, var(--primary) 18%, var(--glass-stroke));
  box-shadow:0 10px 20px -18px rgba(15,23,42,.22);
}

.btn-option-2{
  border-radius:10px;
  background:color-mix(in oklab, var(--surface) 96%, white 4%);
  color:var(--fg);
  border:1px solid color-mix(in oklab, var(--primary) 22%, var(--glass-stroke));
  box-shadow:4px 4px 0 0 color-mix(in oklab, var(--primary) 26%, transparent);
}

.btn-option-2:hover{
  transform:translate(-1px,-1px);
  box-shadow:6px 6px 0 0 color-mix(in oklab, var(--primary) 28%, transparent);
}

.btn-option-2.is-secondary{
  background:transparent;
  color:var(--primary);
  border:1px dashed color-mix(in oklab, var(--primary) 45%, var(--glass-stroke));
  box-shadow:4px 4px 0 0 color-mix(in oklab, var(--fg) 10%, transparent);
}

.btn-option-3{
  border-radius:16px 16px 6px 16px;
  background:linear-gradient(135deg, color-mix(in oklab, var(--primary) 86%, white 14%), color-mix(in oklab, var(--primary) 54%, white 46%));
  color:#fff;
  box-shadow:0 18px 28px -18px color-mix(in oklab, var(--primary) 62%, transparent);
}

.btn-option-3::after{
  content:"";
  position:absolute;
  right:8px;
  bottom:8px;
  width:10px;
  height:10px;
  border-right:2px solid rgba(255,255,255,.55);
  border-bottom:2px solid rgba(255,255,255,.55);
  border-radius:0 0 6px 0;
}

.btn-option-3.is-secondary{
  background:linear-gradient(180deg, color-mix(in oklab, var(--surface) 98%, white 2%), color-mix(in oklab, var(--surface) 88%, var(--primary) 12%));
  color:var(--fg);
  border:1px solid color-mix(in oklab, var(--primary) 18%, var(--glass-stroke));
  box-shadow:0 14px 24px -20px color-mix(in oklab, var(--primary) 28%, transparent);
}

.btn-option-3.is-secondary::after{
  border-color:color-mix(in oklab, var(--primary) 42%, transparent);
}

.btn-option-4{
  border-radius:12px;
  background:linear-gradient(180deg, #0f172a, #111827);
  color:#fff;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 18px 34px -20px rgba(2,6,23,.55), inset 0 1px 0 rgba(255,255,255,.06);
}

.btn-option-4.is-secondary{
  background:color-mix(in oklab, var(--surface) 94%, #0f172a 6%);
  color:var(--fg);
  border:1px solid color-mix(in oklab, var(--fg) 12%, var(--glass-stroke));
  box-shadow:0 12px 22px -20px rgba(2,6,23,.32);
}

[data-theme="dark"] .btn-option-4{
  background:linear-gradient(180deg, #e2e8f0, #cbd5e1);
  color:#020617;
  border-color:rgba(255,255,255,.18);
  box-shadow:0 18px 34px -20px rgba(148,163,184,.35);
}

[data-theme="dark"] .btn-option-4.is-secondary{
  background:rgba(15,23,42,.58);
  color:#e5e7eb;
  border-color:rgba(148,163,184,.24);
}

.btn-option-5{
  border-radius:18px 18px 18px 8px;
  background:color-mix(in oklab, var(--surface) 98%, white 2%);
  color:var(--fg);
  border:1px solid color-mix(in oklab, var(--surface) 68%, rgba(255,255,255,.92) 32%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.72), 0 0 0 1px rgba(255,255,255,.25), 0 14px 26px -20px rgba(15,23,42,.26);
}

.btn-option-5::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  pointer-events:none;
  background:linear-gradient(135deg, color-mix(in oklab, var(--primary) 14%, transparent), transparent 48%);
}

.btn-option-5.is-secondary{
  color:var(--primary);
  border-color:color-mix(in oklab, var(--primary) 24%, var(--glass-stroke));
}

.button-preview-card .pill{
  border-radius:10px;
}

@media (max-width: 720px){
  .button-preview-item{
    padding:14px;
  }

  .button-preview-actions{
    flex-direction:column;
  }

  .btn-option{
    width:100%;
  }
}


@media (min-width: 1280px){
  .faq-preview-grid{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px){
  .zone-two > .faq-preview-card{
    grid-column:auto;
  }
}


/* ===== v16: 全站按钮统一为 1 号样式，保留图标一致性 ===== */
.buy-btn,
.ghost-btn,
.plan-support-btn,
.support-hero-btn,
#supportBtnPlanSecondary,
#supportBtnPlan,
button[data-nav="plans"] {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 22px;
  border-radius:12px;
  border:1px solid color-mix(in oklab, var(--primary) 18%, var(--glass-stroke));
  background:var(--btn-primary-bg);
  color:var(--btn-primary-fg);
  box-shadow:0 16px 28px -18px color-mix(in oklab, var(--btn-primary-bg) 72%, transparent);
  font-weight:800;
  text-decoration:none;
}

.buy-btn .ic,
.ghost-btn .ic,
.redeem-confirm-btn .ic {
  width:18px;
  height:18px;
  flex:0 0 auto;
}

.ghost-btn,
.plan-support-btn,
.support-hero-btn,
#supportBtnPlanSecondary {
  background:color-mix(in oklab, var(--surface) 96%, white 4%);
  color:var(--fg);
  box-shadow:0 10px 20px -18px rgba(15,23,42,.22);
}

.buy-btn:hover,
.ghost-btn:hover,
.plan-support-btn:hover,
.support-hero-btn:hover,
#supportBtnPlanSecondary:hover,
#supportBtnPlan:hover {
  transform:translateY(-1px);
}

.buy-btn:active,
.ghost-btn:active,
.plan-support-btn:active,
.support-hero-btn:active,
#supportBtnPlanSecondary:active,
#supportBtnPlan:active {
  transform:translateY(0);
}

.buy-btn:focus-visible,
.ghost-btn:focus-visible,
.plan-support-btn:focus-visible,
.support-hero-btn:focus-visible,
#supportBtnPlanSecondary:focus-visible,
#supportBtnPlan:focus-visible,
.redeem-confirm-btn:focus-visible {
  outline:2px solid var(--ring);
  outline-offset:2px;
}

/* 购买按钮继续维持主色，客服/教程/FAQ 等采用统一次级版本 */
.buy-row .buy-btn[href],
.buy-row > .buy-btn[data-buy],
.hero-actions > .buy-btn,
.plan .buy-btn:not(#supportBtnPlan) {
  background:var(--btn-primary-bg);
  color:var(--btn-primary-fg);
}

/* 查询网络的“确定”单独设计：更紧凑、更像确认操作 */
.redeem-confirm-btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-width:108px;
  min-height:52px;
  padding:0 18px;
  border-radius:16px;
  border:1px solid color-mix(in oklab, var(--primary) 26%, var(--glass-stroke));
  background:linear-gradient(180deg, color-mix(in oklab, var(--surface) 98%, white 2%), color-mix(in oklab, var(--surface) 92%, var(--primary) 8%));
  color:var(--fg);
  font-weight:900;
  letter-spacing:.02em;
  box-shadow:0 14px 24px -22px rgba(15,23,42,.35), inset 0 1px 0 rgba(255,255,255,.45);
  transition:transform var(--anim), border-color var(--anim), box-shadow var(--anim), background var(--anim);
}

.redeem-confirm-btn:hover {
  transform:translateY(-1px);
  border-color:color-mix(in oklab, var(--primary) 40%, var(--glass-stroke));
  box-shadow:0 18px 28px -22px rgba(15,23,42,.38), inset 0 1px 0 rgba(255,255,255,.55);
}

.redeem-confirm-btn:active {
  transform:translateY(0);
  box-shadow:0 10px 18px -20px rgba(15,23,42,.32), inset 0 1px 0 rgba(255,255,255,.35);
}

@media (max-width: 640px) {
  .redeem-confirm-btn {
    min-width:100%;
  }
}


/* ===== v17: 二级按钮统一为 1 号样式，联系区同步 ===== */
.secondary-btn,
.contact-action {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:46px;
  padding:12px 22px;
  border-radius:12px;
  border:1px solid color-mix(in oklab, var(--primary) 18%, var(--glass-stroke));
  background:color-mix(in oklab, var(--surface) 96%, white 4%);
  color:var(--fg);
  box-shadow:0 10px 20px -18px rgba(15,23,42,.22);
  font-weight:800;
  text-decoration:none;
}

.secondary-btn:hover,
.contact-action:hover {
  transform:translateY(-1px);
  border-color:color-mix(in oklab, var(--primary) 32%, var(--glass-stroke));
  background:color-mix(in oklab, var(--surface) 98%, var(--primary) 2%);
  color:var(--fg);
  text-decoration:none;
}

.secondary-btn:active,
.contact-action:active {
  transform:translateY(0);
}

.secondary-btn .ic,
.contact-action .ic {
  width:18px;
  height:18px;
  flex:0 0 auto;
}

.contact-actions {
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:16px;
}

.contact-actions .contact-action {
  min-width:0;
}

@media (max-width: 680px) {
  .contact-actions .contact-action {
    flex:1 1 100%;
  }
}


/* v18 tweaks: FAQ preview one item per row + feature bullets start from the left edge */
#home .faq-preview-grid,
#panel-home .faq-preview-grid{
  grid-template-columns: 1fr;
}

#home .faq-preview-grid details,
#panel-home .faq-preview-grid details{
  width: 100%;
}

#panel-plans .plan .bullets,
#panel-home .plan .bullets{
  width: 100%;
  padding-left: 1.05em;
  margin-left: 0;
}

#panel-plans .plan .bullets li,
#panel-home .plan .bullets li{
  text-indent: 0;
}


/* v21: 首页信息区改为更稳的满宽排版，避免右侧窄栏挤压 */
#panel-home .zone-two > .stack,
#panel-home .zone-two > .maturity-card,
#panel-home .zone-two > .faq-preview-card{
  width: 100%;
}

#panel-home .zone-two .card > .inner{
  min-width: 0;
}

#panel-home .maturity-card .inner{
  padding-top: 18px;
}

#panel-home .maturity-grid{
  grid-template-columns: 1fr;
}

#panel-home .maturity-item{
  grid-template-columns: 120px minmax(220px, 300px) minmax(0, 1fr);
  align-items: start;
}

#panel-home .maturity-item h4{
  max-width: 9em;
}

#panel-home .maturity-body{
  min-width: 0;
}

#panel-home .maturity-body p,
#panel-home .maturity-foot,
#panel-home .stack p{
  text-indent: 2em;
}

@media (max-width: 1100px){
  #panel-home .maturity-item{
    grid-template-columns: 1fr;
  }

  #panel-home .maturity-item h4{
    max-width: none;
  }
}

/* v22: 收紧首页“选择建议”体量，和其它板块保持更统一的视觉密度 */
#panel-home .maturity-card .inner{
  padding: 20px 22px;
}

#panel-home .maturity-card .section-head{
  margin-bottom: 10px;
}

#panel-home .maturity-card .section-head h3{
  font-size: 18px;
  line-height: 1.35;
}

#panel-home .maturity-card .section-head .muted{
  font-size: 14px;
  line-height: 1.65;
}

#panel-home .maturity-card .pill{
  padding: 8px 12px;
  font-size: 13px;
}

#panel-home .maturity-grid{
  gap: 10px;
}

#panel-home .maturity-item{
  grid-template-columns: 110px minmax(180px, 250px) minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  border-radius: 16px;
}

#panel-home .maturity-tag{
  min-width: 92px;
  padding: 6px 12px;
  font-size: 12px;
}

#panel-home .maturity-item h4{
  font-size: clamp(18px, 1.9vw, 24px);
  line-height: 1.35;
}

#panel-home .maturity-body{
  gap: 10px;
}

#panel-home .maturity-body p,
#panel-home .maturity-foot{
  font-size: 15px;
  line-height: 1.7;
}

#panel-home .maturity-foot{
  padding-top: 10px;
}

@media (max-width: 1100px){
  #panel-home .maturity-card .inner{
    padding: 18px;
  }

  #panel-home .maturity-item{
    grid-template-columns: 1fr;
    gap: 12px;
  }

  #panel-home .maturity-item h4{
    font-size: 22px;
  }
}

/* v23: 选择建议进一步收紧，体量贴近“快速开始”板块 */
#panel-home .maturity-card{
  margin-top: 12px;
}

#panel-home .maturity-card .inner{
  padding: 16px 18px;
}

#panel-home .maturity-card .section-head{
  margin-bottom: 8px;
}

#panel-home .maturity-card .section-head h3{
  margin-bottom: 6px !important;
  font-size: 16px;
  line-height: 1.35;
}

#panel-home .maturity-card .section-head .muted{
  font-size: 13px;
  line-height: 1.6;
}

#panel-home .maturity-card .pill{
  padding: 7px 12px;
  font-size: 12px;
}

#panel-home .maturity-grid{
  gap: 8px;
}

#panel-home .maturity-item{
  grid-template-columns: 96px minmax(160px, 220px) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-radius: 14px;
}

#panel-home .maturity-tag{
  min-width: 84px;
  padding: 5px 10px;
  font-size: 12px;
}

#panel-home .maturity-item h4{
  margin: 2px 0 0;
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.35;
}

#panel-home .maturity-body{
  gap: 8px;
}

#panel-home .maturity-body p,
#panel-home .maturity-foot{
  font-size: 14px;
  line-height: 1.65;
}

#panel-home .maturity-body p{
  margin: 0;
}

#panel-home .maturity-foot{
  padding-top: 8px;
}

@media (max-width: 1100px){
  #panel-home .maturity-card .inner{
    padding: 16px;
  }

  #panel-home .maturity-item{
    grid-template-columns: 88px 1fr;
    gap: 10px 12px;
  }

  #panel-home .maturity-item h4{
    font-size: 18px;
  }

  #panel-home .maturity-body{
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px){
  #panel-home .maturity-item{
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px;
  }

  #panel-home .maturity-tag{
    width: fit-content;
  }

  #panel-home .maturity-item h4{
    font-size: 18px;
  }

  #panel-home .maturity-body p,
  #panel-home .maturity-foot{
    font-size: 13px;
  }
}


/* 可自由替换的首页图片展示 */
.hero-visual-image{
  width: 100%;
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background:
    radial-gradient(circle at top left, rgba(34,211,238,.10), transparent 35%),
    radial-gradient(circle at bottom right, rgba(99,102,241,.14), transparent 38%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.94));
}

.hero-banner-img{
  width: 100%;
  max-width: 620px;
  height: auto;
  display: block;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 24px;
}