/* ============================================================
   捷待办 QuickTodo · 门户站设计系统
   视觉语言源自应用本身：macOS 毛玻璃 · 羽毛紫蓝渐变 · 明暗双主题
   色值与应用内 AppColors.swift 保持一致

   目录（新增样式放对应分区；新组件先建分区标题）：
   设计令牌 → 基础 → 壁纸 → 菜单栏 → 按钮 → 徽章/时间标签/键帽 →
   玻璃卡 → 区块骨架 → 首页 Hero → 演示窗口 → 例子跑马灯 → 产品卡 →
   功能 Bento → 定价对比 → 下载区 → FAQ → CTA 横幅 → 法律文档 →
   页脚 → Toast → 滚动显现 → 响应式
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  /* 字体 */
  --font-display: "Smiley Sans Oblique", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  /* 品牌渐变（取自应用图标的羽毛） */
  --brand-1: #7b61ff;
  --brand-2: #0a84ff;
  --brand-3: #4ab3f0;
  --brand-grad: linear-gradient(95deg, var(--brand-1) 0%, var(--brand-2) 50%, var(--brand-3) 100%);

  /* 布局 */
  --container: 1120px;
  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --menubar-h: 46px;

  /* 动效 */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* 浅色（与应用浅色模式一致） */
:root,
[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f7f8;
  --ink: #1d1d1f;
  --ink-2: #55565c;
  --ink-3: #86868b;
  --accent: #007aff;
  --success: #34c759;
  --warning: #ff9500;
  --danger: #ff3b30;
  --glass-bg: rgba(255, 255, 255, 0.58);
  --glass-bg-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.9);
  --glass-border-soft: rgba(29, 29, 31, 0.07);
  --hairline: rgba(29, 29, 31, 0.08);
  --chip-blue-bg: rgba(0, 122, 255, 0.1);
  --chip-blue-ink: #0071e3;
  --shadow-window: 0 24px 70px -18px rgba(31, 33, 66, 0.28), 0 4px 18px rgba(31, 33, 66, 0.08);
  --shadow-card: 0 10px 34px -12px rgba(31, 33, 66, 0.16);
  --shadow-card-hover: 0 22px 54px -14px rgba(56, 60, 130, 0.26);
  --blob-opacity: 0.5;
  --noise-opacity: 0.035;
  --scrim: rgba(247, 247, 248, 0.6);
}

/* 深色（与应用深色模式一致） */
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #161618;
  --ink: #f5f5f7;
  --ink-2: #c6c6cb;
  --ink-3: #98989d;
  --accent: #0a84ff;
  --success: #30d158;
  --warning: #ff9f0a;
  --danger: #ff453a;
  --glass-bg: rgba(32, 32, 37, 0.55);
  --glass-bg-strong: rgba(38, 38, 43, 0.72);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-border-soft: rgba(255, 255, 255, 0.09);
  --hairline: rgba(255, 255, 255, 0.09);
  --chip-blue-bg: rgba(10, 132, 255, 0.16);
  --chip-blue-ink: #6cb2ff;
  --shadow-window: 0 28px 80px -18px rgba(0, 0, 0, 0.65), 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 10px 34px -12px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 24px 60px -14px rgba(0, 0, 0, 0.66);
  --blob-opacity: 0.34;
  --noise-opacity: 0.05;
  --scrim: rgba(22, 22, 24, 0.55);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--menubar-h) + 18px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.45s ease, color 0.45s ease;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: none; }

h1, h2, h3, h4 { margin: 0; font-weight: 650; line-height: 1.3; }

::selection { background: rgba(123, 97, 255, 0.25); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

/* ---------- 壁纸（macOS 桌面隐喻） ---------- */
.wallpaper {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.wallpaper::after {
  /* 细颗粒噪点，消除渐变色带 */
  content: "";
  position: absolute;
  inset: 0;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: var(--blob-opacity);
  will-change: transform;
  transition: opacity 0.6s ease;
}

.blob-1 {
  width: 46vw; height: 46vw;
  left: -12vw; top: -14vw;
  background: radial-gradient(circle at 30% 30%, #9d8bff, #7b61ff 60%, transparent 75%);
  animation: drift-a 46s var(--ease-out) infinite alternate;
}

.blob-2 {
  width: 42vw; height: 42vw;
  right: -10vw; top: -6vw;
  background: radial-gradient(circle at 60% 40%, #7cc4ff, #0a84ff 58%, transparent 75%);
  animation: drift-b 58s var(--ease-out) infinite alternate;
}

.blob-3 {
  width: 30vw; height: 30vw;
  left: 24vw; top: 46vh;
  background: radial-gradient(circle at 50% 50%, #ffb1c8, #ff6f9c 60%, transparent 76%);
  opacity: calc(var(--blob-opacity) * 0.55);
  animation: drift-c 66s var(--ease-out) infinite alternate;
}

.blob-4 {
  width: 24vw; height: 24vw;
  right: 6vw; top: 64vh;
  background: radial-gradient(circle at 50% 50%, #ffd9a3, #ffab4d 60%, transparent 76%);
  opacity: calc(var(--blob-opacity) * 0.5);
  animation: drift-b 74s var(--ease-out) infinite alternate-reverse;
}

@keyframes drift-a { from { transform: translate(0, 0) scale(1); } to { transform: translate(9vw, 7vh) scale(1.12); } }
@keyframes drift-b { from { transform: translate(0, 0) scale(1.05); } to { transform: translate(-8vw, 9vh) scale(0.94); } }
@keyframes drift-c { from { transform: translate(0, 0) scale(0.95); } to { transform: translate(10vw, -8vh) scale(1.1); } }

/* ---------- 菜单栏（macOS 风格导航） ---------- */
.menubar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--menubar-h);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  background: var(--scrim);
  border-bottom: 1px solid var(--glass-border-soft);
}

.menubar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13.5px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.2px;
}

.brand svg { display: block; }

.brand-text { font-weight: 700; letter-spacing: 0.2px; }

.brand:active { transform: scale(0.97); }

/* 浅色主题：透明底版 logo 原色已含品牌深蓝/中蓝，
   贴在浅底上对比足够，无需额外 filter。 */
.brand img.brand-logo-png {
  height: 26px;
  width: auto;
  display: block;
  transition: opacity .2s var(--ease-out);
}

/* 暗色主题：反白为白色，适配深色 menubar / 深色页脚。 */
:root[data-theme="dark"] .brand img.brand-logo-png {
  filter: brightness(0) invert(1);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 5px 13px;
  border-radius: 8px;
  color: var(--ink-2);
  transition: color 0.2s, background-color 0.2s;
}

.nav a:hover {
  color: var(--ink);
  background: rgba(127, 127, 140, 0.12);
}

.nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.menubar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.menubar-clock {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-2);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.menubar-clock .sec { opacity: 0.55; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  border: 1px solid var(--glass-border-soft);
  border-radius: 9px;
  background: var(--glass-bg);
  color: var(--ink-2);
  cursor: pointer;
  transition: transform 0.2s var(--ease-spring), color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.icon-btn:hover {
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.icon-btn:active { transform: scale(0.92); }

.icon-btn svg { transition: transform 0.5s var(--ease-spring); }
.icon-btn:hover svg { transform: rotate(18deg); }

.menu-toggle { display: none; }

/* 移动端菜单 */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--menubar-h);
  left: 12px; right: 12px;
  z-index: 99;
  padding: 10px;
  border-radius: var(--radius-m);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(30px) saturate(1.8);
  -webkit-backdrop-filter: blur(30px) saturate(1.8);
  box-shadow: var(--shadow-window);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s var(--ease-spring), opacity 0.25s;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  display: block;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--ink);
  font-weight: 550;
}

.mobile-nav a:hover { background: rgba(127, 127, 140, 0.1); }

/* ---------- 按钮 ---------- */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s, filter 0.25s, border-color 0.2s, background-color 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--brand-grad);
  /* 纯胶囊圆角处 GPU 光栅化会把渐变“对面端”的颜色渗到最外圈 1px（左尖端出现右侧的浅蓝细缝），
     用随渐变端点取色的不透明描边盖住接缝 */
  border-left-color: var(--brand-1);
  border-right-color: var(--brand-3);
  border-top-color: var(--brand-2);
  border-bottom-color: var(--brand-2);
  color: #fff;
  box-shadow: 0 12px 24px -10px rgba(101, 88, 255, 0.45), 0 4px 10px -6px rgba(10, 84, 200, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.08);
  isolation: isolate;
}

/* 流动渐变：伪元素铺两段首尾相接的品牌渐变（宽 200%），静止时露出左半段、
   与 --brand-grad 视觉一致；hover 时平移 -50%，颜色随之流动。
   只动 transform —— 合成器动画，不触发重排重绘 */
.btn-primary::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 200%;
  background: linear-gradient(95deg,
    var(--brand-1) 0%, var(--brand-2) 25%, var(--brand-3) 50%,
    var(--brand-1) 75%, var(--brand-2) 100%);
  transform: translateX(0);
  transition: transform 1s var(--ease-out);
  z-index: -1; /* 负 z：位于按钮自身背景之上、文字与涟漪之下 */
  pointer-events: none;
}

.btn-primary:hover::before,
.btn-primary:focus-visible::before {
  transform: translateX(-50%);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 32px -10px rgba(101, 88, 255, 0.5), 0 6px 14px -6px rgba(10, 84, 200, 0.55), inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.btn-primary .btn-icon { transition: transform 0.3s var(--ease-spring); }
.btn-primary:hover .btn-icon { transform: translateY(1.5px); }

.menubar-cta {
  padding: 7px 16px;
  font-size: 13px;
  line-height: 1;
  font-weight: 600;
}

.btn-ghost {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: var(--ink);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--brand-2);
  color: var(--ink);
}

/* 涟漪 */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: ripple 0.65s var(--ease-out) forwards;
  pointer-events: none;
}

.btn-ghost .ripple { background: rgba(10, 132, 255, 0.22); }

@keyframes ripple {
  to { transform: scale(3.2); opacity: 0; }
}

/* 下载按钮进度态（primary / ghost 通用） */
.btn.is-loading .btn-label { opacity: 0; }
.btn.is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ghost 底色浅，白色转圈不可见，改用品牌蓝 */
.btn-ghost.is-loading::after {
  border-color: rgba(10, 132, 255, 0.25);
  border-top-color: var(--accent);
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 徽章 / 时间标签 / 键帽 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: 0.6px;
}

.eyebrow .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand-grad);
  box-shadow: 0 0 0 3px rgba(123, 97, 255, 0.18);
  animation: pulse-dot 2.6s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(123, 97, 255, 0.18); }
  50% { box-shadow: 0 0 0 6px rgba(123, 97, 255, 0.05); }
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: var(--glass-bg);
  font-size: 12.5px;
  color: var(--ink-2);
  font-family: var(--font-mono);
}

.kbd {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  padding: 0 7px;
  border-radius: 6px;
  border: 1px solid var(--hairline);
  border-bottom-width: 2.5px;
  background: var(--glass-bg-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-2);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

/* ---------- 玻璃卡（页面即桌面，内容即窗口） ---------- */
.glass {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-l);
  background: var(--glass-bg);
  backdrop-filter: blur(28px) saturate(1.7);
  -webkit-backdrop-filter: blur(28px) saturate(1.7);
  box-shadow: var(--shadow-card);
}

/* ---------- 区块骨架 ---------- */
.section { padding: clamp(72px, 10vw, 128px) 0; position: relative; }

.section-head { max-width: 640px; margin-bottom: clamp(36px, 5vw, 56px); }

.section-head.center { margin-inline: auto; text-align: center; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 400;
  letter-spacing: 0.5px;
  margin: 14px 0 12px;
  text-wrap: balance;
}

.section-sub { color: var(--ink-2); font-size: 16.5px; margin: 0; text-wrap: pretty; }

.grad-text {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--menubar-h) + clamp(48px, 8vh, 96px)) 0 clamp(56px, 7vw, 96px);
  text-align: center;
}

.hero-eyebrow-row { display: flex; justify-content: center; }

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(42px, 7.6vw, 88px);
  line-height: 1.14;
  letter-spacing: 1px;
  margin: 26px auto 20px;
  max-width: 14em;
  text-wrap: balance;
}

.hero-sub {
  max-width: 34em;
  margin: 0 auto 34px;
  font-size: clamp(16px, 2vw, 18.5px);
  color: var(--ink-2);
  text-wrap: pretty;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.hero-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-3);
}

.hero-hint .kbd { height: 21px; min-width: 20px; font-size: 11px; }

/* ---------- 演示窗口（应用复刻） ---------- */
.demo-wrap {
  position: relative;
  max-width: 620px;
  margin: clamp(40px, 6vw, 64px) auto 0;
  perspective: 1200px;
}

.demo-window {
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(40px) saturate(1.9);
  -webkit-backdrop-filter: blur(40px) saturate(1.9);
  box-shadow: var(--shadow-window);
  overflow: hidden;
  text-align: left;
  transform: rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transition: transform 0.35s var(--ease-out);
  transform-style: preserve-3d;
}

/* 标题栏 */
.demo-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 16px;
  border-bottom: 1px solid var(--hairline);
  position: relative;
}

.traffic { display: flex; gap: 8px; }

.traffic span {
  width: 12px; height: 12px;
  border-radius: 50%;
  display: block;
}

.traffic .r { background: #ff5f57; }
.traffic .y { background: #febc2e; }
.traffic .g { background: #28c840; }

.demo-titlebar .win-title {
  position: absolute;
  left: 50%; transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}

.win-title img { width: 17px; height: 17px; border-radius: 4px; }

/* 输入栏 */
.demo-inputbar {
  position: relative; /* .parse-pop 浮层的定位锚点 */
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 14px 4px;
  padding: 0 14px;
  height: 46px;
  border-radius: 13px;
  border: 1px solid var(--hairline);
  background: var(--glass-bg-strong);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.demo-inputbar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3.5px rgba(0, 122, 255, 0.16);
}

.demo-inputbar .plus {
  display: grid;
  place-items: center;
  width: 22px; height: 22px;
  border-radius: 7px;
  background: var(--brand-grad);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  flex: none;
}

.demo-input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 16px; /* ≥16px：避免 iOS Safari 聚焦时整页缩放 */
  color: var(--ink);
}

.demo-input::placeholder { color: var(--ink-3); }

.demo-inputbar .kbd { flex: none; height: 22px; min-width: 20px; font-size: 11px; }

/* 列表 */
.demo-list {
  max-height: 328px;
  overflow-y: auto;
  padding: 10px 10px 14px;
  scrollbar-width: thin;
  scrollbar-color: rgba(127, 127, 140, 0.4) transparent;
}

.demo-list::-webkit-scrollbar { width: 6px; }
.demo-list::-webkit-scrollbar-thumb { background: rgba(127, 127, 140, 0.35); border-radius: 3px; }

.demo-group-label {
  padding: 10px 12px 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--ink-3);
}

.todo-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 12px;
  border-radius: 11px;
  transition: background-color 0.18s, opacity 0.4s, transform 0.4s var(--ease-spring);
}

.todo-row:hover { background: rgba(127, 127, 140, 0.09); }

.todo-row.entering {
  opacity: 0;
  transform: translateY(-10px) scale(0.98);
}

.todo-check {
  flex: none;
  width: 21px; height: 21px;
  border-radius: 50%;
  border: 1.6px solid var(--ink-3);
  background: transparent;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  transition: border-color 0.2s, background 0.25s, transform 0.2s var(--ease-spring);
}

.todo-check:hover { border-color: var(--accent); transform: scale(1.1); }

.todo-check svg {
  width: 11px; height: 11px;
  stroke: #fff;
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 16;
  stroke-dashoffset: 16;
}

.todo-row.done .todo-check {
  background: var(--brand-grad);
  border-color: transparent;
}

.todo-row.done .todo-check svg {
  animation: draw-check 0.4s var(--ease-out) forwards;
}

@keyframes draw-check { to { stroke-dashoffset: 0; } }

.todo-text {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  position: relative;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s;
}

.todo-text::after {
  content: "";
  position: absolute;
  left: 0; top: 52%;
  width: 100%;
  height: 1.5px;
  background: var(--ink-3);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.todo-row.done .todo-text { color: var(--ink-3); }
.todo-row.done .todo-text::after { transform: scaleX(1); }

.todo-time {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 7px;
  letter-spacing: 0.2px;
}

.todo-time.future { background: var(--chip-blue-bg); color: var(--chip-blue-ink); }
.todo-time.today { background: rgba(255, 149, 0, 0.13); color: #d97e00; }
.todo-time.overdue { background: rgba(255, 59, 48, 0.1); color: var(--danger); }

[data-theme="dark"] .todo-time.today { color: #ffb454; }

.todo-del {
  flex: none;
  display: grid;
  place-items: center;
  width: 22px; height: 22px;
  border: none;
  background: transparent;
  color: var(--ink-3);
  border-radius: 6px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.18s, color 0.18s, background 0.18s;
}

.todo-row:hover .todo-del, .todo-row:focus-within .todo-del { opacity: 1; }
.todo-del:hover { color: var(--danger); background: rgba(255, 59, 48, 0.1); }

.demo-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 13px;
  border-top: 1px solid var(--hairline);
  font-size: 12px;
  color: var(--ink-3);
}

.demo-foot .parsed-hint { font-family: var(--font-mono); }

.demo-foot .parsed-hint b {
  color: var(--chip-blue-ink);
  font-weight: 600;
}

.demo-empty {
  padding: 30px 12px;
  text-align: center;
  color: var(--ink-3);
  font-size: 14px;
}

/* 解析浮层：输入时的时间预览 */
.parse-pop {
  position: absolute;
  right: 54px;
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 7px;
  background: var(--chip-blue-bg);
  color: var(--chip-blue-ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.25s var(--ease-spring);
  white-space: nowrap;
}

.parse-pop.show {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* 彩带 */
.confetti-piece {
  position: fixed;
  z-index: 200;
  width: 8px; height: 13px;
  border-radius: 2.5px;
  pointer-events: none;
}

/* ---------- 例子跑马灯 ---------- */
.ticker {
  position: relative;
  margin-top: clamp(44px, 6vw, 64px);
  padding: 15px 0;
  border-block: 1px solid var(--hairline);
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
}

.ticker::before, .ticker::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 110px;
  z-index: 1;
  pointer-events: none;
}

.ticker::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.ticker::after { right: 0; background: linear-gradient(-90deg, var(--bg), transparent); }

.ticker-track {
  --tg: 44px; /* 条目间距；下方的 padding-right 必须与它同源 */
  display: flex;
  gap: var(--tg);
  width: max-content;
  /* 无缝循环：-50% 的位移量只覆盖 2N-1 个间距，比第二份副本的实际偏移
     （N 个间距）少半个 gap，循环回卷时会跳变 gap/2；末尾补一个等宽
     padding 把差值填平（box-sizing: border-box 下 intrinsic 宽含 padding） */
  padding-right: var(--tg);
  animation: ticker-scroll 36s linear infinite;
}

.ticker:hover .ticker-track { animation-play-state: paused; }

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-2);
  white-space: nowrap;
}

.ticker-item code {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 3px 11px;
  border-radius: 7px;
  background: var(--chip-blue-bg);
  color: var(--chip-blue-ink);
}

.ticker-item .arrow { color: var(--ink-3); }

@keyframes ticker-scroll { to { transform: translateX(-50%); } }

/* ---------- 产品卡 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: 1.75fr 1fr;
  gap: 22px;
  align-items: stretch;
}

.product-card {
  position: relative;
  padding: 34px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.product-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 180deg at 50% 50%, transparent 0deg, rgba(123, 97, 255, 0.13) 80deg, rgba(10, 132, 255, 0.13) 160deg, transparent 240deg);
  opacity: 0;
  transition: opacity 0.5s;
  animation: rotate-slow 14s linear infinite;
  pointer-events: none;
}

.product-card:hover::before { opacity: 1; }

@keyframes rotate-slow { to { transform: rotate(360deg); } }

.product-card-top {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
}

.product-icon {
  width: 76px; height: 76px;
  /* 全站图标圆角统一 24%：图片自身圆角为 23.4%，CSS 略大、始终裁进图片不透明区，
     对角线不会露出背景缝 */
  border-radius: 24%;
  /* 不加 inset 白色描边：CSS 圆角与图标图片自身圆角弧度有差异，
     描边会在对角线处溢出到图标外，形成白色亮弧 */
  box-shadow: 0 12px 30px -8px rgba(101, 88, 255, 0.5);
  transition: transform 0.4s var(--ease-spring);
}

.product-card:hover .product-icon { transform: rotate(-6deg) scale(1.06); }

.product-name { font-size: 25px; }

.product-en {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.product-desc { color: var(--ink-2); margin: 0; position: relative; }

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
}

.product-actions {
  margin-top: auto;
  padding-top: 12px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
}

.product-shot {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  /* 截图等比展示：以 800×1384 为基准；
     容器最大宽度受卡片宽度约束，比例由 aspect-ratio 锁定 */
  max-width: 380px;
  margin-inline: auto;
}

.product-shot img {
  display: block;
  width: 100%;
  height: auto;          /* 等比，避免拉伸造成的文字锯齿 */
  aspect-ratio: 800 / 1384;
  object-fit: cover;     /* 仅产品卡截图允许裁切（仅取顶部窗口），保证卡片高度可控 */
  object-position: top center;
}

/* 幽灵卡（更多作品） */
.ghost-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 14px;
  padding: 34px;
  border-radius: var(--radius-l);
  border: 1.5px dashed rgba(127, 127, 140, 0.4);
  color: var(--ink-3);
  text-align: left;
  transition: border-color 0.3s, color 0.3s, transform 0.3s var(--ease-spring);
}

.ghost-card:hover {
  border-color: var(--brand-1);
  color: var(--ink-2);
  transform: translateY(-4px);
}

.ghost-card .plus-ring {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1.5px dashed currentColor;
  font-size: 22px;
  font-weight: 300;
}

/* ---------- 功能 Bento ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.bento-item {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s;
}

.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.b-item-lg { grid-column: span 4; }
.b-item-md { grid-column: span 2; }
.b-item-sm { grid-column: span 2; }
.b-item-wide { grid-column: span 6; }
.b-item-xl { grid-column: span 4; }

.bento-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--brand-grad);
  box-shadow: 0 8px 20px -6px rgba(101, 88, 255, 0.5);
  flex: none;
}

.bento-item h3 { font-size: 18.5px; }
.bento-item p { margin: 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.72; }

.bento-visual {
  margin-top: auto;
  padding-top: 8px;
}

/* 功能卡内的小可视化 */
.nlp-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  padding: 14px 16px;
  border-radius: 13px;
  border: 1px solid var(--hairline);
  background: var(--glass-bg-strong);
}

.nlp-demo .plain { color: var(--ink); }
.nlp-demo .hit {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 3px 10px;
  border-radius: 7px;
  background: var(--chip-blue-bg);
  color: var(--chip-blue-ink);
  border: 1px dashed rgba(0, 122, 255, 0.35);
}

.nlp-result {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-2);
}

.nlp-result b { color: var(--chip-blue-ink); font-weight: 600; }

.hotkey-row {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 13px 16px;
  border-radius: 13px;
  border: 1px solid var(--hairline);
  background: var(--glass-bg-strong);
}

.hotkey-row .kbd { min-width: 34px; height: 34px; padding: 0 9px; font-size: 14px; border-radius: 8px; }

.hotkey-row .kbd.press {
  animation: key-press 1.8s ease-in-out infinite;
  animation-delay: var(--kd, 0s);
}

@keyframes key-press {
  0%, 22%, 100% { transform: translateY(0); border-bottom-width: 2.5px; background: var(--glass-bg-strong); }
  10% { transform: translateY(2px); border-bottom-width: 1px; background: rgba(0, 122, 255, 0.16); color: var(--chip-blue-ink); }
}

/* ---------- 提醒横幅演示（功能卡） ---------- */
.remind-demo {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.remind-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  box-shadow: var(--shadow-card);
  /* 窄屏兜底：图标/文字/按钮放不下一行时允许折行，避免横向溢出 */
  flex-wrap: wrap;
}

.remind-card img { width: 28px; height: 28px; border-radius: 7px; flex: none; }

.remind-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.remind-text b { font-size: 14px; color: var(--ink); }
.remind-text span { font-size: 12px; color: var(--ink-3); }

.remind-actions { margin-left: auto; display: flex; gap: 7px; flex: none; }

.remind-btn {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  border: 1px solid var(--hairline);
}

.remind-btn.primary {
  color: #fff;
  background: var(--brand-grad);
  border: none;
  box-shadow: 0 4px 12px -4px rgba(101, 88, 255, 0.5);
}

.remind-note { margin: 0; font-size: 12.5px; color: var(--ink-3); }

/* 锁定模式交互演示 */
.lock-demo {
  position: relative;
  border-radius: 13px;
  border: 1px solid var(--hairline);
  overflow: hidden;
  min-height: 148px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lock-demo-bg {
  position: absolute;
  inset: 0;
  /* 明暗混合的“壁纸”：用于演示逐行自适应调色 */
  background:
    linear-gradient(180deg,
      #1b2233 0%, #1b2233 33%,
      #7b61ff 33%, #0a84ff 66%,
      #f2ede4 66%, #f2ede4 100%);
  display: grid;
  place-items: center;
  transition: filter 0.6s ease;
}

.lock-demo.locked .lock-demo-bg { filter: blur(14px) saturate(1.3); }

/* 全透明底衬：锁定后壁纸保持清晰，面板不加玻璃层，可读性交给逐行调色 */
.lock-demo.locked.glass-plain .lock-demo-bg { filter: none; }

.lock-demo-bg span {
  font-size: 13px; color: rgba(255,255,255,.72); font-weight: 550;
  mix-blend-mode: difference;
}

.lock-demo-panel {
  position: relative;
  margin: auto;
  padding: 8px 0;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: min(78%, 300px);
  font-size: 14px;
  color: #2a2a30;
  transition: background 0.6s, backdrop-filter 0.6s, border-color 0.6s;
}

.lock-demo.locked .lock-demo-panel {
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.lock-demo.locked.glass-plain .lock-demo-panel {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-color: transparent;
}

/* 每一行是一条“分带”：锁定后文字颜色随背后壁纸亮度自动切换 */
.lock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 16px;
  border-radius: 8px;
  color: #2a2a30;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.35);
  transition: color 0.6s ease, text-shadow 0.6s ease;
}

.lock-demo.locked .lock-row.r-dark  { color: #f5f5f7; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45); }
.lock-demo.locked .lock-row.r-mid   { color: #ffffff; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55); }
.lock-demo.locked .lock-row.r-light { color: #26262c; text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5); }

.lock-row .chipx {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.55);
  color: #2a2a30;
  text-shadow: none;
}

.lock-demo.locked .lock-row.r-dark .chipx,
.lock-demo.locked .lock-row.r-mid .chipx {
  background: rgba(255, 255, 255, 0.22);
  color: inherit;
}

.lock-switch {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  user-select: none;
  margin-top: 12px;
  width: fit-content;
}

.lock-switch input { position: absolute; opacity: 0; pointer-events: none; }

.lock-switch .track {
  width: 44px; height: 26px;
  border-radius: 999px;
  background: rgba(127, 127, 140, 0.3);
  padding: 3px;
  transition: background 0.3s;
  flex: none;
}

.lock-switch .thumb {
  display: block;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s var(--ease-spring);
}

.lock-switch input:checked + .track {
  background: var(--brand-grad);
  /* 同 .btn-primary：盖住胶囊端点的渐变采样接缝（track 固定尺寸，用 inset 描边避免布局偏移） */
  box-shadow: inset 0 0 0 1px var(--brand-2);
}
.lock-switch input:checked + .track .thumb { transform: translateX(18px); }

/* 底衬切换：毛玻璃 / 全透明 */
.lock-modes {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: 10px;
  padding: 3px;
  border-radius: 9px;
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-bg);
  font-size: 12.5px;
  line-height: 1;
}

.lock-modes-label {
  padding: 0 5px 0 7px;
  color: var(--ink-3);
  font-weight: 600;
}

.lock-mode {
  appearance: none;
  border: none;
  border-radius: 7px;
  padding: 6px 12px;
  font: inherit;
  font-weight: 600;
  color: var(--ink-2);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}

.lock-mode:hover { color: var(--ink); }

.lock-mode.is-active {
  background: rgba(127, 127, 140, 0.3);
  color: var(--ink);
}

/* 截图画廊 */
/* 截图画廊：等比展示，避免在大屏/Retina 上被拉伸失真 */
.shot-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr));
  gap: 22px;
  align-items: start;
  justify-items: center;
}

.shot-card {
  width: 100%;
  max-width: 520px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s;
}

.shot-card:hover {
  transform: translateY(-6px) rotate(-0.4deg);
  box-shadow: var(--shadow-window);
}

/* 等比容器：aspect-ratio 锁定 800:1384 / 800:650；
   图片绝对定位 100% 填入，避免浏览器对"自然高度"做不一致的等比 */
.shot-card .shot-frame {
  position: relative;
  display: block;
  width: 100%;
  background: linear-gradient(180deg, rgba(127,127,140,0.05), rgba(127,127,140,0.02));
}

.shot-card .shot-frame.full   { aspect-ratio: 800 / 1384; }
.shot-card .shot-frame.window { aspect-ratio: 800 / 650; }

.shot-card .shot-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;       /* frame 比例与图源一致 → cover = contain，不会丢失信息 */
  object-position: center;
  -webkit-user-drag: none;
  image-rendering: -webkit-optimize-contrast; /* 关闭浏览器双线性插值，文字更锐 */
}

/* 产品截图随站点主题切换：main.js 在 <html> 上维护 data-theme，
   深/浅各一张图对应应用内的深色/浅色外观；无 JS 时默认显示浅色。
   选择器带 img 元素名，确保优先级不低于 .product-shot img 的 display:block */
img.shot-dark { display: none; }
html[data-theme="dark"] img.shot-dark { display: block; }
html[data-theme="dark"] img.shot-light { display: none; }
html[data-theme="dark"] .shot-frame { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); }

.shot-card figcaption {
  padding: 13px 18px;
  font-size: 13.5px;
  color: var(--ink-2);
  border-top: 1px solid var(--hairline);
}

/* ---------- 定价对比 ---------- */
.compare {
  overflow: hidden;
}

.compare-plan {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.compare-plan.pro {
  background: linear-gradient(160deg, rgba(123, 97, 255, 0.1), rgba(10, 132, 255, 0.08));
}

.compare-plan h3 {
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-badge {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 3.5px 10px;
  border-radius: 999px;
  background: var(--brand-grad);
  /* 同 .btn-primary：盖住胶囊端点的渐变采样接缝 */
  border: 1px solid;
  border-left-color: var(--brand-1);
  border-right-color: var(--brand-3);
  border-top-color: var(--brand-2);
  border-bottom-color: var(--brand-2);
  color: #fff;
}

.plan-price {
  font-family: var(--font-display);
  font-size: 38px;
  letter-spacing: 1px;
  margin: 6px 0 2px;
}

.plan-price small { font-size: 15px; color: var(--ink-3); font-family: var(--font-body); letter-spacing: 0; }

/* 首发限时：划线原价 */
.plan-price s { font-size: 17px; color: var(--ink-3); font-family: var(--font-body); letter-spacing: 0; text-decoration-thickness: 1.5px; }

.plan-desc { font-size: 13.5px; color: var(--ink-3); margin-bottom: 10px; }

.compare-cols { display: grid; grid-template-columns: 1fr 1fr; }

.compare-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  border-top: 1px solid var(--hairline);
}

.compare-grid > div {
  padding: 15px 24px;
  font-size: 14.5px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--hairline);
}

.compare-grid > div:nth-child(3n + 2) { justify-content: center; }
.compare-grid > div:nth-child(3n + 3) { justify-content: center; }

.compare-grid .feature-name { color: var(--ink-2); }

.compare-grid .yes { color: var(--success); font-weight: 700; }
.compare-grid .no { color: var(--ink-3); }
.compare-grid .num { font-family: var(--font-mono); color: var(--chip-blue-ink); font-weight: 600; }

.compare-head { font-weight: 650; color: var(--ink); background: rgba(127, 127, 140, 0.06); }

/* ---------- 下载区 ---------- */
.download-panel {
  padding: clamp(30px, 4.5vw, 52px);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.download-panel::after {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  right: -100px; top: -140px;
  background: radial-gradient(circle, rgba(123, 97, 255, 0.2), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}

.dl-icon {
  width: clamp(96px, 12vw, 132px);
  height: clamp(96px, 12vw, 132px);
  border-radius: 24%;
  /* 同 .product-icon：移除 inset 白描边，避免沿圆角差溢出 */
  box-shadow: 0 20px 50px -10px rgba(101, 88, 255, 0.55);
}

.dl-meta { display: flex; flex-wrap: wrap; gap: 9px; margin: 14px 0 22px; }

.dl-buttons { display: flex; flex-wrap: wrap; gap: 13px; align-items: center; }

.dl-note { margin: 16px 0 0; font-size: 12.5px; color: var(--ink-3); }

.dl-alt {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 13.5px;
  color: var(--ink-2);
}

.dl-alt a { color: var(--accent); font-weight: 550; }

/* 更新日志 */
.changelog { padding: 26px 30px; }

.changelog h3 { font-size: 16.5px; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }

.ver-tag {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 3px 11px;
  border-radius: 7px;
  background: var(--chip-blue-bg);
  color: var(--chip-blue-ink);
}

.changelog ul { margin: 0; padding-left: 20px; color: var(--ink-2); font-size: 14.5px; }
.changelog li { margin: 5px 0; }
.changelog li::marker { color: var(--brand-1); }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 780px; margin-inline: auto; }

.faq-item { overflow: hidden; transition: border-color 0.25s; }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 19px 24px;
  font-weight: 600;
  font-size: 15.5px;
  user-select: none;
  transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover { color: var(--accent); }

.faq-item summary .faq-q {
  flex: none;
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--chip-blue-ink);
}

.faq-item summary .faq-plus {
  margin-left: auto;
  flex: none;
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink-3);
  transition: transform 0.35s var(--ease-spring), background 0.25s, color 0.25s;
}

.faq-item summary:hover .faq-plus { background: rgba(0, 122, 255, 0.12); color: var(--accent); }

.faq-item[open] summary .faq-plus { transform: rotate(45deg); }

.faq-body {
  padding: 0 24px 20px 58px;
  color: var(--ink-2);
  font-size: 14.5px;
  animation: faq-open 0.35s var(--ease-out);
}

.faq-body p { margin: 0 0 8px; }
.faq-body p:last-child { margin-bottom: 0; }

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

/* ---------- CTA 横幅 ---------- */
.cta-band {
  padding: clamp(36px, 6vw, 64px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--brand-grad);
  opacity: 0.09;
  pointer-events: none;
}

.cta-band > * { position: relative; }

.cta-band h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 4.4vw, 44px);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.cta-band p { color: var(--ink-2); margin: 0 0 28px; }

/* ---------- 法律文档 ---------- */
.doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 44px;
  align-items: start;
}

.doc-toc {
  position: sticky;
  top: calc(var(--menubar-h) + 28px);
  padding: 22px 24px;
  font-size: 13.5px;
}

.doc-toc h4 { font-size: 12.5px; letter-spacing: 2px; color: var(--ink-3); margin-bottom: 12px; }

.doc-toc a {
  display: block;
  padding: 6px 0;
  color: var(--ink-2);
  border-left: 2px solid transparent;
  padding-left: 12px;
  margin-left: -14px;
  transition: color 0.2s, border-color 0.2s;
}

.doc-toc a:hover, .doc-toc a.active { color: var(--accent); border-color: var(--accent); }

.doc {
  padding: clamp(28px, 4vw, 48px);
}

.doc-head { margin-bottom: 30px; padding-bottom: 22px; border-bottom: 1px solid var(--hairline); }

.doc-head h1 { font-size: clamp(26px, 3.6vw, 34px); }

.doc-head .doc-meta { margin-top: 10px; font-size: 13px; color: var(--ink-3); font-family: var(--font-mono); }

.doc h2 {
  font-size: 19px;
  margin: 34px 0 12px;
  scroll-margin-top: calc(var(--menubar-h) + 24px);
}

.doc h2 .sec-no { color: var(--chip-blue-ink); font-family: var(--font-mono); font-size: 14px; margin-right: 10px; }

.doc p { color: var(--ink-2); font-size: 15px; margin: 0 0 12px; }

.doc ul { color: var(--ink-2); font-size: 15px; padding-left: 22px; margin: 0 0 14px; }
.doc li { margin: 5px 0; }

.doc strong { color: var(--ink); }

.doc .placeholder {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(255, 149, 0, 0.12);
  color: #c77700;
  white-space: nowrap;
}

[data-theme="dark"] .doc .placeholder { color: #ffb454; }

/* ---------- 页脚 ---------- */
.footer {
  margin-top: clamp(60px, 8vw, 100px);
  border-top: 1px solid var(--hairline);
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 34px;
  padding: 52px 0 40px;
}

.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; margin-bottom: 14px; }

.footer-desc { color: var(--ink-3); font-size: 13.5px; max-width: 30em; margin: 0 0 18px; }

.footer-col h4 { font-size: 13px; letter-spacing: 2px; color: var(--ink-3); margin-bottom: 16px; }

.footer-col a {
  display: block;
  padding: 5.5px 0;
  color: var(--ink-2);
  font-size: 14px;
  transition: color 0.2s, transform 0.25s var(--ease-spring);
  width: fit-content;
}

.footer-col a:hover { color: var(--accent); transform: translateX(3px); }

.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding: 20px 0 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--ink-3);
}

.icp-links { display: flex; flex-wrap: wrap; gap: 6px 20px; }

.icp-links a { color: var(--ink-3); }
.icp-links a:hover { color: var(--accent); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%) translateY(20px);
  z-index: 300;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(24px) saturate(1.8);
  -webkit-backdrop-filter: blur(24px) saturate(1.8);
  box-shadow: var(--shadow-window);
  font-size: 14px;
  font-weight: 550;
  color: var(--ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.35s var(--ease-spring);
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: calc(100vw - 40px);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast .t-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  flex: none;
}

/* ---------- 滚动显现 ----------
   隐藏态由 main.js 成功运行后加的 reveal-ready 类门控：
   JS 关闭或脚本加载失败时，内容直接完整可见，不会白屏。 */
html.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-spring);
  transition-delay: var(--d, 0s);
}

html.reveal-ready .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .reveal, html.reveal-ready .reveal { opacity: 1; transform: none; }
  .ticker-track { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .bento { grid-template-columns: repeat(4, 1fr); }
  .b-item-lg, .b-item-xl, .b-item-wide { grid-column: span 4; }
  .b-item-md, .b-item-sm { grid-column: span 2; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-toc { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .product-grid { grid-template-columns: 1fr; }
  .download-panel { grid-template-columns: 1fr; text-align: center; }
  .dl-icon { margin-inline: auto; }
  .dl-meta, .dl-buttons { justify-content: center; }
}

@media (max-width: 720px) {
  /* 移动端 GPU 预算：减档毛玻璃模糊半径（不透明底衬下视觉差异极小），
     滚动时多重 backdrop-filter 的合成开销显著下降 */
  .glass { backdrop-filter: blur(18px) saturate(1.6); -webkit-backdrop-filter: blur(18px) saturate(1.6); }
  .demo-window { backdrop-filter: blur(24px) saturate(1.7); -webkit-backdrop-filter: blur(24px) saturate(1.7); }
  .menubar { backdrop-filter: blur(16px) saturate(1.2); -webkit-backdrop-filter: blur(16px) saturate(1.2); }

  .nav, .menubar-clock { display: none; }
  .menu-toggle { display: grid; }
  .mobile-nav { display: block; }
  .bento { grid-template-columns: 1fr; }
  .b-item-lg, .b-item-xl, .b-item-wide, .b-item-md, .b-item-sm { grid-column: span 1; }
  .compare-grid { grid-template-columns: 1.3fr 1fr 1fr; font-size: 13px; }
  .compare-grid > div { padding: 12px 12px; }
  /* 小屏两列放不下双徽标 + 划线价，改为上下堆叠 */
  .compare-cols { grid-template-columns: 1fr; }
  .compare-plan { padding: 20px 18px; }
  .compare-plan.pro { border-top: 1px solid var(--hairline); }
  .compare-plan h3 { flex-wrap: wrap; }
  .faq-body { padding-left: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 40px 0 30px; }
  .ticker-item { font-size: 13px; }
  .hero-ctas .btn { width: 100%; }
  .demo-window { border-radius: 16px; }
  .demo-list { max-height: 280px; }
  /* 窄屏：解析预览浮到输入栏上方（标题栏右侧为空白区，且不会超出窗口被裁剪），
     不再压住输入框里正在输入的文字 */
  .parse-pop {
    top: -7px;
    right: 14px;
    transform: translateY(-100%) translateX(6px);
  }
  .parse-pop.show { transform: translateY(-100%); }
}

@media (max-width: 480px) {
  .container { width: calc(100% - 32px); }
  .menubar-inner { gap: 10px; }
  .menubar-cta { padding: 6px 12px; font-size: 12.5px; }
}