/* =========================================================================
   PadControl 产品站 · v3.108.109
   风格参照：长滚动产品页（超大标题 / 分节编号 / 对比卡 / 规格三位数）
   配色：深色底 + 青→靛渐变（与 iPad 端「跨设备传输」图标同一支渐变）
   ========================================================================= */

:root {
  --bg: #05070b;
  --bg-soft: #080b12;
  --panel: #0b0f17;
  --panel-2: #0d121b;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f2f5f9;
  --muted: #98a4b6;
  --dim: #66748a;
  --teal: #35e0c8;
  --cyan: #22c9e6;
  --indigo: #5468ff;
  --amber: #ffb35c;
  --grad: linear-gradient(120deg, var(--teal), var(--cyan) 45%, var(--indigo));
  --radius: 20px;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Outfit", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(53, 224, 200, 0.14), transparent 62%),
    radial-gradient(760px 520px at 8% 14%, rgba(84, 104, 255, 0.12), transparent 60%);
}

/* 细颗粒噪点：让大面积深色不"塑料" */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  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='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: rgba(53, 224, 200, 0.28); color: #fff; }

a { color: inherit; text-decoration: none; }

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

button { font: inherit; color: inherit; }

.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* ── 顶部导航 ───────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.is-stuck {
  background: rgba(5, 7, 11, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 66px;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-mark {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: var(--grad);
  position: relative;
  box-shadow: 0 6px 22px rgba(53, 224, 200, 0.24);
  flex: none;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: rgba(5, 7, 11, 0.86);
}

.brand-mark::before { width: 9px; height: 13px; left: 7px; top: 6px; }
.brand-mark::after { width: 7px; height: 9px; right: 6px; bottom: 6px; opacity: 0.85; }

.brand small {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--dim);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 13.5px;
  color: var(--muted);
}

.nav-links a {
  position: relative;
  padding: 6px 0;
  transition: color 0.25s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--grad);
  transition: width 0.3s var(--ease);
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
  white-space: nowrap;
}

.nav-cta:hover {
  border-color: rgba(53, 224, 200, 0.5);
  background: rgba(53, 224, 200, 0.1);
  transform: translateY(-1px);
}

@media (max-width: 920px) {
  .nav-links { display: none; }
  .nav-inner { justify-content: space-between; gap: 16px; }
}

/* 窄屏：品牌副标题（平板屏控 · 版本号）会让顶栏撑到 520px 以上，
   直接把整页推出横向滚动 —— 这里收掉它，只留 logo + 名字 + 下载按钮。 */
@media (max-width: 560px) {
  .brand small { display: none; }
  .nav-inner { width: calc(100% - 28px); gap: 10px; }
  .brand { font-size: 15px; }
  .nav-cta { padding: 8px 13px; font-size: 12.5px; gap: 6px; }
}

/* ── 通用版式 ───────────────────────────────────────────────────────── */

section { position: relative; z-index: 2; }

.section {
  padding: 118px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.045);
}

.section-head { max-width: 820px; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 22px;
}

.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.kicker .num { color: var(--dim); }

h1, h2, h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.12;
  /* 中文标题在窄屏常掉一个字到下一行（"说清 / 楚。"），balance 让它均分 */
  text-wrap: balance;
}

.lead, .card p, .feature-list li, .install-hint { text-wrap: pretty; }

h2 { font-size: clamp(30px, 4.4vw, 54px); }

h2 em, h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 22px 0 0;
  font-size: clamp(15px, 1.35vw, 17.5px);
  color: var(--muted);
  max-width: 660px;
}

.mono { font-family: var(--mono); }

/* 进场动画 */
/* 只有 JS 可用时才把进场元素先藏起来 —— 禁用 JS / 爬虫 / 直接深链进来
   都不会看到一整屏空白（这一步在 <html class="js"> 上挂）。 */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ── Hero ──────────────────────────────────────────────────────────── */

.hero {
  padding: 148px 0 40px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 26px;
}

.hero-badge b {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(53, 224, 200, 0.14);
  color: var(--teal);
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(38px, 5.6vw, 68px);
  letter-spacing: -0.035em;
}

.hero .lead { font-size: clamp(15.5px, 1.5vw, 18.5px); max-width: 560px; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 12px;
  font-size: 14.5px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.3s, background 0.3s, border-color 0.3s;
  cursor: pointer;
}

.btn svg { width: 17px; height: 17px; }

.btn-primary {
  background: var(--grad);
  color: #041014;
  box-shadow: 0 14px 40px rgba(53, 224, 200, 0.24);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 48px rgba(53, 224, 200, 0.34); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--line-strong);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
}

.hero-meta {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--dim);
  text-transform: uppercase;
}

.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }

.dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
}

/* ── iPad 设备框（纯 CSS 绘制） ─────────────────────────────────────── */

.stage {
  position: relative;
  perspective: 1400px;
}

.device {
  position: relative;
  border-radius: 30px;
  padding: 13px;
  background: linear-gradient(160deg, #232a36, #0c1017 55%, #1a2029);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  transform: rotateY(-7deg) rotateX(4deg) translateZ(0);
  transition: transform 0.9s var(--ease);
  will-change: transform;
}

.stage:hover .device { transform: rotateY(-3deg) rotateX(2deg); }

.device-screen {
  position: relative;
  border-radius: 19px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #10151f;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.7);
}

.screen-wallpaper {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 18% 12%, #1d5c6b 0%, transparent 55%),
    radial-gradient(100% 90% at 88% 82%, #27306b 0%, transparent 58%),
    linear-gradient(155deg, #0b121b, #131a26 60%, #0a0f16);
}

/* 顶栏 */
.mock-menubar {
  position: relative;
  z-index: 3;
  height: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  font-size: 8.5px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(9, 13, 20, 0.55);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mock-menubar .apple { font-size: 9.5px; }

.mock-menubar .right { margin-left: auto; display: flex; gap: 9px; opacity: 0.8; }

/* 桌面窗口 */
.mock-windows {
  position: absolute;
  inset: 22px 0 0;
  z-index: 2;
  padding: 14px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 10px;
}

.mock-window {
  border-radius: 9px;
  background: rgba(16, 22, 32, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.mock-bar {
  height: 15px;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 7px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  flex: none;
}

.mock-bar i {
  width: 4.5px; height: 4.5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
}

.mock-bar i:nth-child(1) { background: #ff5f57; }
.mock-bar i:nth-child(2) { background: #febc2e; }
.mock-bar i:nth-child(3) { background: #28c840; }

.mock-body { padding: 9px; display: flex; flex-direction: column; gap: 6px; }

.mock-line {
  height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.13);
}

.mock-line.w60 { width: 60%; }
.mock-line.w40 { width: 40%; }
.mock-line.w80 { width: 80%; }
.mock-line.accent { background: linear-gradient(90deg, rgba(53, 224, 200, 0.55), rgba(84, 104, 255, 0.3)); }

.mock-tile {
  margin-top: auto;
  border-radius: 7px;
  height: 42%;
  background:
    linear-gradient(140deg, rgba(53, 224, 200, 0.22), rgba(84, 104, 255, 0.18)),
    rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

/* Dock */
.mock-dock {
  position: absolute;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 10px;
  background: rgba(12, 17, 24, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.mock-dock i {
  width: 15px; height: 15px;
  border-radius: 4px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.12));
}

.mock-dock i:nth-child(2) { background: linear-gradient(150deg, #35e0c8, #2a9fb4); }
.mock-dock i:nth-child(3) { background: linear-gradient(150deg, #5468ff, #7d5cff); }
.mock-dock i:nth-child(4) { background: linear-gradient(150deg, #ffb35c, #ff7a59); }

/* 触摸涟漪 */
.touch {
  position: absolute;
  left: 44%;
  top: 62%;
  z-index: 6;
  width: 16px; height: 16px;
  margin: -8px 0 0 -8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 0 rgba(53, 224, 200, 0.55), 0 2px 10px rgba(0, 0, 0, 0.55);
  animation: tap 3.2s infinite;
}

.touch::after {
  content: "";
  position: absolute;
  inset: -13px;
  border-radius: 50%;
  border: 1px solid rgba(53, 224, 200, 0.55);
  animation: ripple 3.2s infinite;
}

@keyframes tap {
  0%, 62%, 100% { transform: scale(1); }
  68% { transform: scale(0.82); }
  74% { transform: scale(1); }
}

@keyframes ripple {
  0%, 60% { opacity: 0; transform: scale(0.5); }
  66% { opacity: 0.9; transform: scale(0.7); }
  92% { opacity: 0; transform: scale(1.75); }
  100% { opacity: 0; }
}

/* 屏幕里的光标 */
.mock-cursor {
  position: absolute;
  left: 56%;
  top: 57%;
  z-index: 7;
  width: 12px; height: 18px;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.6));
  animation: cursorMove 6s var(--ease) infinite;
}

@keyframes cursorMove {
  0%, 100% { transform: translate(0, 0); }
  35% { transform: translate(-34px, 22px); }
  65% { transform: translate(26px, -14px); }
}

/* 浮标 */
.float-chip {
  position: absolute;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 999px;
  background: rgba(10, 14, 21, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(14px);
  font-size: 11.5px;
  color: var(--text);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5);
  animation: floaty 7s ease-in-out infinite;
}

.float-chip b { color: var(--teal); font-weight: 600; }

.float-chip.c1 { left: -18px; top: 16%; }
.float-chip.c2 { right: -12px; top: 44%; animation-delay: -2.4s; }
.float-chip.c3 { left: 12%; bottom: -18px; animation-delay: -4.2s; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (max-width: 980px) {
  .hero { padding-top: 118px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .device { transform: none; }
  .stage:hover .device { transform: none; }
  .float-chip.c1 { left: 4px; top: 8px; }
  .float-chip.c2 { right: 4px; }
  .float-chip.c3 { left: 6%; bottom: -16px; }
}

/* ── 滚动关键词条 ───────────────────────────────────────────────────── */

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
  overflow: hidden;
  padding: 16px 0;
}

.strip-track {
  display: flex;
  gap: 44px;
  width: max-content;
  animation: marquee 32s linear infinite;
}

.strip span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}

.strip span::before {
  content: "";
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.75;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .strip-track { animation: none; }
}

/* ── 图文分栏 ───────────────────────────────────────────────────────── */

.split {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 64px;
  align-items: center;
}

/* 网格子项默认 min-width:auto，遇到 pre / 长命令这类不可断行内容时会把
   整个轨道顶宽（390px 的手机上整页被撑到 552px）。这里统一放开。 */
.split > *,
.grid-2 > *,
.grid-3 > *,
.grid-4 > *,
.all-grid > * { min-width: 0; }

/* 代码块：长命令在块内自己横滚，不顶宽父级 */
.code pre {
  margin: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.split.reverse { grid-template-columns: 1.08fr 0.92fr; }
.split.reverse .split-copy { order: 2; }
.split.reverse .split-visual { order: 1; }

.split-copy h2 { margin-bottom: 4px; }

.feature-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.feature-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
}

.feature-list li b { color: var(--text); font-weight: 600; }

.check {
  width: 22px; height: 22px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: rgba(53, 224, 200, 0.12);
  border: 1px solid rgba(53, 224, 200, 0.24);
  margin-top: 1px;
}

.check svg { width: 11px; height: 11px; stroke: var(--teal); }

@media (max-width: 980px) {
  .split, .split.reverse { grid-template-columns: 1fr; gap: 44px; }
  .split.reverse .split-copy { order: 0; }
  .split.reverse .split-visual { order: 0; }
}

/* ── 通用卡片 / 玻璃面板 ─────────────────────────────────────────────── */

.card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  padding: 26px;
  overflow: hidden;
}

.card:hover { border-color: var(--line-strong); }

.card h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.card p { margin: 0; font-size: 13.8px; color: var(--muted); line-height: 1.65; }

.card .tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 84px 0; }
  /* 27px 时「一张表，把全部卖点说清楚。」正好一行放得下，
     再小就差一口气（26px 会挤，30px 会断） */
  h2 { font-size: 27px; }
}

/* ── 触控板卡 ───────────────────────────────────────────────────────── */

.pad-visual {
  position: relative;
  border-radius: 18px;
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, rgba(53, 224, 200, 0.08), rgba(84, 104, 255, 0.06)), #0a0f17;
  border: 1px solid var(--line);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.pad-surface {
  width: 74%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(60% 60% at 40% 35%, rgba(255, 255, 255, 0.09), transparent 70%),
    rgba(255, 255, 255, 0.02);
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.pad-surface::after {
  content: "";
  position: absolute;
  left: 26%; top: 34%;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 10px rgba(53, 224, 200, 0.1), 0 0 26px rgba(53, 224, 200, 0.5);
  animation: dragDot 4.6s var(--ease) infinite;
}

@keyframes dragDot {
  0%, 100% { transform: translate(0, 0); }
  40% { transform: translate(120px, -34px); }
  70% { transform: translate(-30px, 46px); }
}

.pad-hints {
  position: absolute;
  bottom: 12px;
  display: flex;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.06em;
}

.pad-hints span {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.25);
}

/* ── 恢复流程时间线 ─────────────────────────────────────────────────── */

.timeline {
  margin-top: 40px;
  display: grid;
  gap: 14px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 17px; top: 14px; bottom: 14px;
  width: 1px;
  background: linear-gradient(var(--teal), rgba(84, 104, 255, 0.4), transparent);
  opacity: 0.5;
}

.tl-row {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  align-items: start;
}

.tl-dot {
  width: 35px; height: 35px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--teal);
  background: #0a1018;
  border: 1px solid rgba(53, 224, 200, 0.28);
  box-shadow: 0 0 0 4px rgba(5, 7, 11, 0.9);
  z-index: 2;
}

.tl-text b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.tl-text span { font-size: 13.5px; color: var(--muted); }

/* 恢复胶囊（真实文案） */
.recovery-pill {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border-radius: 14px;
  border: 1px solid rgba(53, 224, 200, 0.24);
  background: linear-gradient(100deg, rgba(53, 224, 200, 0.12), rgba(84, 104, 255, 0.1));
  font-size: 13.5px;
  color: #dff8f3;
}

.spinner {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1.5px solid rgba(53, 224, 200, 0.35);
  border-top-color: var(--teal);
  animation: spin 1s linear infinite;
  flex: none;
}

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

/* ── 传输预览：选项卡 ───────────────────────────────────────────────── */

.tabs {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  margin: 26px 0 18px;
}

.tab {
  border: 0;
  background: transparent;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.tab[aria-selected="true"] {
  color: #041014;
  background: var(--grad);
  font-weight: 600;
}

.tab:hover:not([aria-selected="true"]) { color: var(--text); background: rgba(255, 255, 255, 0.05); }

.transfer-window {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.42);
}

.tw-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
}

.tw-head .badge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--teal);
  letter-spacing: 0.08em;
}

.tw-body { padding: 16px; display: grid; gap: 10px; min-height: 250px; }

.bubble {
  max-width: 78%;
  padding: 9px 13px;
  border-radius: 12px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.07);
  color: #e6edf5;
}

.bubble.mine { margin-left: auto; background: linear-gradient(120deg, rgba(53, 224, 200, 0.22), rgba(84, 104, 255, 0.2)); }

.preview-tile {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0a0f17;
  overflow: hidden;
}

.preview-media {
  height: 132px;
  position: relative;
  display: grid;
  place-items: center;
}

.preview-media img { width: 100%; height: 100%; object-fit: cover; }

.preview-media .placeholder {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(55% 45% at 26% 18%, rgba(120, 245, 225, 0.55), transparent 70%),
    radial-gradient(50% 55% at 82% 88%, rgba(96, 116, 255, 0.5), transparent 72%),
    linear-gradient(150deg, #14303a 0%, #121c2c 52%, #0c1421 100%);
}

/* 照片的"景深感"：两条柔和高光 + 细网格 */
.preview-media .placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(38% 30% at 62% 34%, rgba(255, 255, 255, 0.28), transparent 70%),
    radial-gradient(30% 24% at 18% 76%, rgba(255, 255, 255, 0.12), transparent 72%);
}

.preview-media .placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(70% 70% at 50% 50%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, #000 20%, transparent 78%);
}

.preview-media .glyph {
  position: relative;
  z-index: 2;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
}

.preview-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--muted);
}

.preview-bar .play {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #041014;
  flex: none;
}

.preview-bar .play svg { width: 9px; height: 9px; }

.progress {
  height: 3px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.progress i {
  display: block;
  height: 100%;
  width: 38%;
  background: var(--grad);
  border-radius: 2px;
}

.pane[hidden] { display: none; }

/* ── Smart Bar 演示 ─────────────────────────────────────────────────── */

.smartbar {
  margin-top: 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(10, 14, 21, 0.8);
  padding: 14px;
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.sb-key {
  min-width: 54px;
  padding: 10px 12px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
  text-align: center;
  font-family: var(--mono);
  font-size: 10.5px;
  color: #dfe7f2;
  letter-spacing: 0.04em;
  transition: transform 0.18s var(--ease), border-color 0.2s, background 0.2s;
}

.sb-key:hover { transform: translateY(-2px); border-color: rgba(53, 224, 200, 0.4); }

.sb-key.accent {
  background: linear-gradient(180deg, rgba(53, 224, 200, 0.22), rgba(84, 104, 255, 0.16));
  border-color: rgba(53, 224, 200, 0.34);
}

.sb-caption {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.08em;
  text-align: center;
}

/* 代码块 */
.code {
  margin-top: 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #070b11;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.75;
}

.code-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.code pre { margin: 0; padding: 14px 16px; overflow-x: auto; color: #c7d3e3; }

.code .k { color: #b39dff; }
.code .s { color: #7ee6c9; }
.code .c { color: #5b6a7e; }
.code .f { color: #7fb2ff; }

/* ── 窗口管理网格 ───────────────────────────────────────────────────── */

.window-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.wg-cell {
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--dim);
  transition: border-color 0.25s, transform 0.25s var(--ease), background 0.25s;
}

.wg-cell:hover, .wg-cell.active {
  border-color: rgba(53, 224, 200, 0.42);
  background: linear-gradient(160deg, rgba(53, 224, 200, 0.14), rgba(84, 104, 255, 0.1));
  transform: translateY(-2px);
  color: var(--text);
}

.gesture-row {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.gesture {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
}

.fingers { display: inline-flex; gap: 3px; }

.fingers i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.85;
}

/* ── 文字档位演示 ───────────────────────────────────────────────────── */

.size-demo {
  margin-top: 24px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #0a0f17;
  padding: 22px;
  transition: all 0.35s var(--ease);
}

.size-demo.large .demo-title { font-size: 26px; }
.size-demo.large .demo-row { font-size: 17px; }
.size-demo.large .demo-sub { font-size: 14px; }
.size-demo.large .demo-key { font-size: 14px; padding: 12px 10px; min-width: 64px; }

.demo-title { font-size: 20px; font-weight: 600; margin-bottom: 4px; transition: font-size 0.3s var(--ease); }
.demo-sub { font-size: 12.5px; color: var(--dim); transition: font-size 0.3s var(--ease); }
.demo-row { font-size: 14px; color: var(--muted); margin-top: 14px; transition: font-size 0.3s var(--ease); }

.demo-keys { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

.demo-key {
  padding: 9px 12px;
  min-width: 54px;
  text-align: center;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  font-family: var(--mono);
  font-size: 11px;
  color: #dfe7f2;
  transition: all 0.3s var(--ease);
}

/* 切换开关 */
.switch {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  gap: 4px;
}

.switch button {
  border: 0;
  background: transparent;
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.switch button.is-on { background: rgba(53, 224, 200, 0.16); color: var(--teal); font-weight: 600; }

/* ── 对比表 ─────────────────────────────────────────────────────────── */

.compare {
  margin-top: 36px;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.015);
}

.compare table { width: 100%; border-collapse: collapse; font-size: 13.5px; }

.compare th, .compare td {
  padding: 15px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  vertical-align: middle;
}

.compare thead th {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  background: rgba(255, 255, 255, 0.025);
}

.compare thead th.us { color: var(--teal); }

.compare td:first-child { color: var(--text); font-weight: 500; }
.compare td { color: var(--muted); }
.compare tbody tr:last-child td { border-bottom: 0; }
.compare tbody tr:hover td { background: rgba(255, 255, 255, 0.02); }

.compare .us { color: var(--text); background: rgba(53, 224, 200, 0.045); }

.yes { display: inline-flex; align-items: center; gap: 7px; color: var(--teal); font-weight: 600; }
.no { color: var(--dim); }
.partial { color: var(--amber); }

.compare-note {
  margin-top: 12px;
  font-size: 11.5px;
  color: var(--dim);
}

/* ── 规格三位数 ─────────────────────────────────────────────────────── */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.stat {
  padding: 26px 24px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.stat .big {
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat .big small { font-size: 16px; letter-spacing: 0; margin-left: 6px; -webkit-text-fill-color: var(--muted); }

.stat p { margin: 12px 0 0; font-size: 13px; color: var(--muted); }

.stat .hint { margin-top: 10px; font-family: var(--mono); font-size: 10px; color: var(--dim); letter-spacing: 0.08em; }

@media (max-width: 820px) {
  .stats { grid-template-columns: 1fr; }
  .compare { overflow-x: auto; }
  .compare table { min-width: 640px; }
}

/* ── 功能全表 ───────────────────────────────────────────────────────── */

.all-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 40px; }

.all-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}

.all-item:hover {
  border-color: rgba(53, 224, 200, 0.26);
  background: rgba(53, 224, 200, 0.045);
  transform: translateY(-2px);
}

.all-ico {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(53, 224, 200, 0.1);
  border: 1px solid rgba(53, 224, 200, 0.2);
}

.all-ico svg { width: 19px; height: 19px; stroke: var(--teal); fill: none; stroke-width: 1.6; }

.all-item b { display: block; font-size: 14.5px; margin-bottom: 3px; }
.all-item span { font-size: 13px; color: var(--muted); line-height: 1.6; }

@media (max-width: 820px) { .all-grid { grid-template-columns: 1fr; } }

/* ── 下载区 ─────────────────────────────────────────────────────────── */

.cta {
  padding: 132px 0 120px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  left: 50%; top: 44%;
  width: 760px; height: 420px;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(53, 224, 200, 0.16), transparent 70%);
  pointer-events: none;
}

.cta h2 { font-size: clamp(32px, 4.6vw, 56px); }

.cta .lead { margin-left: auto; margin-right: auto; }

.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

.download-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 46px;
  text-align: left;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.dl {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: center;
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}

.dl:hover { border-color: rgba(53, 224, 200, 0.32); background: rgba(53, 224, 200, 0.05); transform: translateY(-2px); }

.dl-ico {
  width: 38px; height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  flex: none;
}

.dl-ico svg { width: 18px; height: 18px; fill: var(--text); }

.dl b { display: block; font-size: 14.5px; margin-bottom: 2px; }
.dl span { font-size: 12px; color: var(--dim); font-family: var(--mono); letter-spacing: 0.03em; }

/* 可下载卡片右侧的下箭头 */
.dl .dl-go {
  margin-left: auto;
  align-self: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--muted);
  flex: none;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}

.dl .dl-go svg { width: 13px; height: 13px; }

.dl:hover .dl-go {
  color: #04110f;
  border-color: transparent;
  background: var(--teal);
}

/* 不可点击的卡片（iPad 端需自行用 Xcode 构建） */
.dl-static { cursor: default; }
.dl-static:hover { border-color: var(--line); background: rgba(255, 255, 255, 0.025); transform: none; }

.cta-note { margin-top: 26px; font-family: var(--mono); font-size: 10.5px; color: var(--dim); letter-spacing: 0.08em; }

/* iPad 端安装说明（没有 IPA 可下载，就老老实实写清楚） */
.install-hint {
  margin-top: 24px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.8;
}

.install-hint code {
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--teal);
  background: rgba(53, 224, 200, 0.08);
  border: 1px solid rgba(53, 224, 200, 0.16);
}

.install-hint + .cta-note { margin-top: 14px; }

/* ── 页脚 ───────────────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--line);
  padding: 42px 0 52px;
  position: relative;
  z-index: 2;
}

.foot-grid { display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap; }

.foot-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }

.foot-note { color: var(--dim); font-size: 12px; margin-top: 10px; max-width: 430px; line-height: 1.7; }

.foot-links { display: flex; gap: 26px; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; }
.foot-links a:hover { color: var(--text); }

.foot-base {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
  letter-spacing: 0.06em;
}

/* 滚动进度条 */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--grad);
  z-index: 80;
  transition: width 0.1s linear;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 36px; }
  .wrap, .nav-inner { width: calc(100% - 32px); }
  .download-cards { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
}

/* =========================================================================
   v2 组件（声音接管 / 快捷指令 / 截图框 / 语言开关）
   ========================================================================= */

/* 品牌名与副标题竖排（原来的 .brand 只有图标 + 文字） */
.brand > span { display: flex; flex-direction: column; line-height: 1.12; }
.brand small { display: block; }

/* ── 语言开关 ─────────────────────────────────────────────────────── */

.nav-right { display: flex; align-items: center; gap: 10px; margin-left: 6px; }

.lang-switch {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.06em;
  padding: 5px 9px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.lang-switch button.is-on { color: #04110f; background: var(--teal); }
.lang-switch button:not(.is-on):hover { color: var(--text); }

/* ── 声音接管：输出设备列表 ───────────────────────────────────────── */

.audio-card {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  padding: 18px;
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.38);
}

.ac-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
}

.ac-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal);
  flex: none;
}

.ac-badge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.ac-list { display: grid; gap: 8px; margin-top: 14px; }

.ac-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 13px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 13px;
  color: var(--muted);
  transition: background 0.25s, border-color 0.25s;
}

.ac-row.is-on {
  border-color: rgba(53, 224, 200, 0.34);
  background: linear-gradient(100deg, rgba(53, 224, 200, 0.13), rgba(84, 104, 255, 0.08));
  color: var(--text);
}

.ac-radio {
  width: 13px; height: 13px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  flex: none;
}

.ac-row.is-on .ac-radio {
  border-color: var(--teal);
  box-shadow: inset 0 0 0 3px #0a0f17, inset 0 0 0 8px var(--teal);
}

.ac-meta {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* 正在出声的那一行：五格跳动 */
.ac-eq { display: flex; align-items: flex-end; gap: 2px; height: 14px; margin-left: 4px; }
.ac-eq i {
  width: 2px;
  border-radius: 2px;
  background: var(--teal);
  animation: eq 1.05s ease-in-out infinite;
}
.ac-eq i:nth-child(1) { height: 5px; animation-delay: 0s; }
.ac-eq i:nth-child(2) { height: 11px; animation-delay: 0.12s; }
.ac-eq i:nth-child(3) { height: 7px; animation-delay: 0.24s; }
.ac-eq i:nth-child(4) { height: 13px; animation-delay: 0.06s; }
.ac-eq i:nth-child(5) { height: 6px; animation-delay: 0.3s; }

@keyframes eq {
  0%, 100% { transform: scaleY(0.55); opacity: 0.75; }
  50% { transform: scaleY(1.15); opacity: 1; }
}

.ac-foot {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: 11px;
  border: 1px dashed rgba(53, 224, 200, 0.26);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.ac-foot svg { width: 15px; height: 15px; flex: none; opacity: 0.9; }

.ac-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 26px;
  margin-top: 14px;
  opacity: 0.55;
}

.ac-wave i {
  flex: 1;
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(53, 224, 200, 0.9), rgba(84, 104, 255, 0.5));
  transform-origin: center;
  animation: wave 1.6s ease-in-out infinite;
}

.ac-wave i:nth-child(1) { height: 20%; animation-delay: 0s; }
.ac-wave i:nth-child(2) { height: 55%; animation-delay: 0.08s; }
.ac-wave i:nth-child(3) { height: 85%; animation-delay: 0.16s; }
.ac-wave i:nth-child(4) { height: 40%; animation-delay: 0.24s; }
.ac-wave i:nth-child(5) { height: 70%; animation-delay: 0.32s; }
.ac-wave i:nth-child(6) { height: 30%; animation-delay: 0.4s; }
.ac-wave i:nth-child(7) { height: 95%; animation-delay: 0.48s; }
.ac-wave i:nth-child(8) { height: 50%; animation-delay: 0.56s; }
.ac-wave i:nth-child(9) { height: 75%; animation-delay: 0.64s; }
.ac-wave i:nth-child(10) { height: 35%; animation-delay: 0.72s; }
.ac-wave i:nth-child(11) { height: 62%; animation-delay: 0.8s; }
.ac-wave i:nth-child(12) { height: 22%; animation-delay: 0.88s; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.5); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ── 截图框 ───────────────────────────────────────────────────────── */

.shot {
  margin: 0;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #0a0e15;
  overflow: hidden;
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.42);
}

.shot img { display: block; width: 100%; height: auto; }

.shot figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--dim);
}

.shot-stack { display: grid; gap: 14px; }

.shot-inline { margin-top: 16px; box-shadow: none; }

/* ── 快捷指令：快捷键胶囊 ─────────────────────────────────────────── */

.shortcut-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 22px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.pill b {
  font-family: var(--font);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text);
}

.pill.accent {
  border-color: rgba(53, 224, 200, 0.3);
  background: rgba(53, 224, 200, 0.07);
}

@media (max-width: 920px) {
  .nav-right { margin-left: auto; }
  .lang-switch { order: -1; }
}

@media (max-width: 640px) {
  .audio-card { padding: 14px; }
  .ac-row { font-size: 12.5px; padding: 11px; }
  .shot figcaption { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .ac-eq i, .ac-wave i { animation: none; }
}

/* ── 标题区适配：文案变长后的比例修正 ─────────────────────────────── */
/* 用户把 h1 改成「屏控 —— 不只是把 iPad 变成 / 真正显示器，更是 Mac 的第二条工作流」，
   原来 68px 的字号会把这句话拆成 5 行，这里按新文案重算。 */
.hero h1 {
  font-size: clamp(27px, 3vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.028em;
}

.hero-grid {
  grid-template-columns: 1.14fr 0.86fr;
  gap: 48px;
}

/* 顶栏：8 个锚点 + 语言开关 + 下载按钮，品牌名不能再被压扁 */
.brand { flex: none; }
.brand small { white-space: nowrap; }
.nav-links { gap: 18px; font-size: 13px; }

@media (max-width: 1120px) {
  .nav-links { gap: 14px; font-size: 12.5px; }
}

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: clamp(26px, 5.4vw, 34px); }
}

/* h1 降到 42px 后，h2 的 54px 会「倒挂」，按新的层级重排 */
h2 { font-size: clamp(24px, 2.7vw, 36px); }
.section-head h2 { font-size: clamp(25px, 2.9vw, 38px); }

@media (max-width: 640px) {
  h2, .section-head h2 { font-size: 24px !important; }
}

/* 收尾区是整页的高潮，字号比正文段 h2 再大一号 */
.cta h2 { font-size: clamp(28px, 3.4vw, 46px); }

@media (max-width: 720px) {
  /* 手机上「轻点 = 点按」会压在设备菜单栏上，收掉它 */
  .float-chip.c1 { display: none; }
}

/* ── 发布状态徽标（下载未开放时用，替代箭头）───────────────────────── */
.dl-state {
  margin-left: auto;
  align-self: center;
  flex: none;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255, 179, 92, 0.3);
  background: rgba(255, 179, 92, 0.08);
  color: var(--amber);
  white-space: nowrap;
}

/* 手机上收尾区上下留白太大（前面那段 84px + 这里 132px 会叠成一片空白） */
@media (max-width: 720px) {
  .cta { padding: 72px 0 88px; }
  .cta .kicker { margin-bottom: 18px; }
}

/* v2 给 .brand 加了竖排小标题（.brand small{display:block}），
   它写在 ≤560px 那条「隐藏副标题」规则后面，把移动端的收敛整个顶掉了 ——
   结果英文态「Coming soon」按钮压到「平板屏控 · V3.108.109」上面。这里补回。 */
@media (max-width: 560px) {
  .brand small { display: none; }
}

/* ── Hero 主视觉：实拍图 ─────────────────────────────────────────────────
   用户给了张真机实拍（iPad 立在支架上跑 Mac 桌面 + 旁边一台 Mac mini），
   要求把原来「纯 CSS + SVG 画的 iPad」换掉。照片是 1297×892 的横构图，
   塞进 0.86fr 的右列只剩 ~470px 宽，浪费了这张图的信息量。
   所以 ≥921px 时让它向右「出血」到视口右边缘：靠负的 margin-right 把
   grid 项撑宽（.hero 已经是 overflow:hidden，不会带出横向滚动条）。
   屏幕特别宽时用 max-width 750px 兜住，再多就只是空背景了。 */
.hero-shot {
  position: relative;
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow:
    0 46px 96px rgba(0, 0, 0, 0.62),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 0 90px rgba(84, 104, 255, 0.16);
}

.hero-shot img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 921px) {
  .stage { margin-right: calc(-1 * max(0px, (100vw - var(--max)) / 2)); }
  .hero-shot { margin-left: auto; max-width: 750px; }
}

@media (max-width: 920px) {
  .hero-shot { border-radius: 18px; }
}

/* ── 单列版 .split（v3.108.109 · 只留文字）─────────────────────────────────
   除首屏那张实拍图，站内所有软件截图 / 假窗口 / 样机都撤掉了（用户：
   「网站特色就是文字介绍加一个第一张那个图片就行了，不要在网站里面
   透露太多细节」）。删掉视觉列之后 .split 只剩 .split-copy 一个孩子，
   两列网格会把它挤在 0.92fr 那条窄轨里，所以统一改成单列并收窄行宽。 */
.split.solo {
  grid-template-columns: 1fr;
  max-width: 800px;
  gap: 0;
}

@media (max-width: 640px) {
  .split.solo { max-width: none; }
}

/* 视觉列撤掉后，06 的键位说明直接跟着左对齐的键位条走，居中会显得飘 */
#smartbar .sb-caption { text-align: left; }

/* ── 00 方案总览（四栏一句话 + 一句底线）─────────────────────────────────
   用户给了张设计稿：标题一大行，下面四栏（投屏显示 / 触控控制 / 文件互传 /
   自动化），最底一条细线隔开一句「纯软件方案，不需要额外硬件，无强制订阅」。
   要求「做为一个整体介绍，放在 01 触摸显示前」—— 所以在 01 之前另起一节，
   编号给 00，读完四个卖点再进细节，不打断原来的 01…11 编号。
   四栏在 1000px 收成两栏、560px 收成一栏（第三栏的「远程场景照样可用」
   这种长句在窄屏硬塞四栏会掉成三行）。 */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 44px 36px;
  margin-top: 56px;
}

.pillar h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.pillar p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  text-wrap: pretty;
}

/* 设计稿里「自动化」是橙色的：四栏里只有它能一条命令改掉整台 Mac 的状态 */
.pillar.is-accent h3 { color: var(--amber); }

.pillars-note {
  margin: 56px 0 0;
  padding-top: 34px;
  border-top: 1px solid var(--line);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

@media (max-width: 1000px) {
  .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 30px; }
}

@media (max-width: 560px) {
  .pillars { grid-template-columns: 1fr; gap: 28px; margin-top: 36px; }
  .pillars-note { margin-top: 40px; padding-top: 26px; }
}

/* ── 隐私政策页（privacy.html）──────────────────────────────────────────
   App Store 上架要填一个隐私政策 URL，审核员也会点开看：所以这页不是塞一段
   免责声明了事，而是照站内同一套版式做成可读的文档 —— 大标题 + 一屏摘要卡 +
   01…11 编号小节，窄栏 780px（法务文本行宽超过 90 个字符就很难读了）。
   独立成页而不是弹窗：链接要能被 App Store Connect 直接引用。 */
.legal-head {
  padding: 150px 0 34px;
  border-top: 0;
}

.legal-head h1 {
  font-size: clamp(32px, 5vw, 58px);
}

.legal-head .lead {
  max-width: 720px;
  margin-top: 22px;
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 30px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}

.legal-meta span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.legal-meta span::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.65;
}

.legal-callout {
  margin-top: 44px;
  padding: 24px 28px;
  border-radius: var(--radius);
  border: 1px solid rgba(53, 224, 200, 0.26);
  background: linear-gradient(135deg, rgba(53, 224, 200, 0.1), rgba(84, 104, 255, 0.07));
}

.legal-callout p {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text);
  text-wrap: pretty;
}

.legal-body { padding-top: 26px; }

.legal {
  max-width: 780px;
}

.legal section {
  padding: 36px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
}

.legal section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.legal h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: clamp(19px, 2.1vw, 23px);
}

.legal h2 .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal);
}

.legal p,
.legal li {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
  text-wrap: pretty;
}

.legal p { margin: 14px 0 0; }

.legal ul {
  margin: 14px 0 0;
  padding-left: 20px;
}

.legal li { margin-top: 8px; }

.legal li::marker { color: var(--dim); }

.legal b,
.legal strong { color: var(--text); font-weight: 600; }

.legal a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, 0.35);
}

.legal a:hover { border-bottom-color: var(--teal); }

.legal-back {
  max-width: 780px;
  margin-top: 18px;
  font-size: 14.5px;
}

.legal-back a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.legal-back a:hover { color: var(--text); }

@media (max-width: 560px) {
  .legal-head { padding: 120px 0 24px; }
  .legal-callout { padding: 20px 20px; }
  .legal section { padding: 28px 0; }
}

/* 页脚里「当前页」那一条（隐私政策页自己）稍微提亮，省得点进去没反应 */
.foot-links a[aria-current="page"] { color: var(--text); }