/* RemoteFolder 介绍页：沿用 App 的纸白 / 墨黑，唯一的颜色是“查找命中”的琥珀色；无渐变 */

:root {
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'PingFang SC', 'Hiragino Sans GB', 'Helvetica Neue', sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Hiragino Sans GB', 'Helvetica Neue', sans-serif;
  --font-cipher: ui-monospace, 'SF Mono', Menlo, monospace;

  --bg: #f4f3f0;
  --surface: #fbfaf8;
  --raised: #ffffff;
  --ink: #1c1917;
  --ink-2: rgba(28, 25, 23, 0.66);
  --ink-3: rgba(28, 25, 23, 0.42);
  --fill: rgba(28, 25, 23, 0.055);
  --fill-strong: rgba(28, 25, 23, 0.09);
  --hairline: rgba(28, 25, 23, 0.1);
  --find: rgba(234, 170, 0, 0.34);
  --find-line: #d99a00;

  --night: #131211;
  --night-2: #1b1a18;
  --paper: #f2efea;
  --paper-2: rgba(242, 239, 234, 0.66);
  --paper-3: rgba(242, 239, 234, 0.4);
  --night-line: rgba(242, 239, 234, 0.12);

  --shadow: 0 1px 2px rgba(28, 25, 23, 0.06), 0 18px 48px rgba(28, 25, 23, 0.12);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --gutter: clamp(16px, 4vw, 48px);
  --max: 1180px;
  --nav-h: 52px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: var(--nav-h); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 600; text-wrap: balance; }
p, dd, td, li { text-wrap: pretty; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--ink); color: var(--bg); border-radius: 10px; text-decoration: none; transition: top 0.2s var(--ease); }
.skip:focus { top: 12px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

h2 { font-size: clamp(32px, 5.2vw, 64px); line-height: 1.12; letter-spacing: -0.01em; }
.lead { font-size: clamp(17px, 1.55vw, 21px); line-height: 1.65; color: var(--ink-2); max-width: 36em; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 24px; border-radius: 999px;
  font: 500 16px/1 var(--font); text-decoration: none; white-space: nowrap;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn:active { transform: scale(0.97); }
.btn-ink { background: var(--ink); color: var(--surface); }
.btn-ink:hover { background: #34302c; }
.btn-quiet { background: #e9e7e3; color: var(--ink); }
.btn-quiet:hover { background: #e1ded9; }
.btn-small { height: 34px; padding: 0 16px; font-size: 14px; }

/* ---------- 顶栏 ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--nav-h);
  background: rgba(244, 243, 240, 0.78);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 0.5px 0 transparent;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.nav.is-scrolled { box-shadow: 0 0.5px 0 var(--hairline); }
.nav-inner { height: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font: 600 17px/1 var(--font-display); white-space: nowrap; }
.brand-mark { width: 22px; height: 22px; fill: currentColor; }
.brand-back { opacity: 0.38; }
.brand-word .soft { font-weight: 400; opacity: 0.62; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { font-size: 14px; color: var(--ink-2); text-decoration: none; transition: color 0.2s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav .btn { margin-left: 12px; }
.nav.is-dark { background: rgba(19, 18, 17, 0.78); color: var(--paper); }
.nav.is-dark.is-scrolled { box-shadow: 0 0.5px 0 var(--night-line); }
.nav.is-dark .nav-links a { color: var(--paper-2); }
.nav.is-dark .nav-links a:hover { color: var(--paper); }
.nav.is-dark .btn-ink { background: var(--paper); color: var(--night); }

/* ---------- 设备外框：Apple 官方外框正面放置，不变形不旋转；截图垫在透明屏幕区下面 ---------- */
.device { position: relative; flex: none; }
.device .bezel { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; user-select: none; }
.device .screen { position: absolute; overflow: hidden; background: #000; }
.device .screen-shot { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; opacity: 0; transition: opacity 0.6s var(--ease); }
.device .screen-shot.is-on { opacity: 1; }
/* iPhone 18 Pro 外框 1350×2760，屏幕 1206×2622，偏移 (72, 69) */
.device-phone { width: var(--phone-w, 300px); aspect-ratio: 1350 / 2760; }
.device-phone .screen { left: 5.333%; top: 2.5%; width: 89.333%; height: 95%; border-radius: 15.5% / 7.1%; }
/* MacBook Air 13 外框 3400×2240，屏幕 2560×1664，偏移 (420, 288) */
.device-mac { width: var(--mac-w, 820px); aspect-ratio: 3400 / 2240; }
.device-mac .screen { left: 12.353%; top: 12.857%; width: 75.294%; height: 74.286%; border-radius: 1.2% 1.2% 0 0 / 1.8% 1.8% 0 0; }

/* ---------- 首屏 ---------- */
.hero { position: relative; height: 100svh; min-height: 560px; overflow: hidden; }
.hero-cloud { position: absolute; inset: 0; perspective: 1100px; perspective-origin: 50% 46%; }
.cloud-dolly, .cloud-intro { position: absolute; inset: 0; transform-style: preserve-3d; }
.shot {
  position: absolute; left: 50%; top: 50%; margin: 0;
  width: clamp(110px, 11vw, 196px);
  border-radius: clamp(14px, 1.6vw, 24px); overflow: hidden;
  background: var(--raised); box-shadow: var(--shadow);
  transform: translate(-50%, -50%) translate3d(calc(var(--x) * 1vw), calc(var(--y) * 1vh), calc(var(--z) * 1px)) rotateY(calc(var(--ry) * 1deg)) rotateZ(calc(var(--rz) * 1deg));
  will-change: transform, opacity;
}
/* 截图围着文字摆一圈，避开标题和正文所在的中间区域；单位：x 为 vw，y 为 vh，z 为 px */
.shot[data-shot="note"] { --x: -41; --y: -2; --z: -200; --ry: 16; --rz: -5; }
.shot[data-shot="chat"] { --x: 41; --y: -10; --z: -480; --ry: -18; --rz: 4; }
.shot[data-shot="bill"] { --x: -30; --y: 38; --z: -700; --ry: 10; --rz: 3; }
.shot[data-shot="flight"] { --x: 31; --y: 34; --z: -140; --ry: -22; --rz: -3; }
.shot[data-shot="cat"] { --x: -40; --y: -38; --z: -620; --ry: 20; --rz: 6; }
.shot[data-shot="lease"] { --x: 24; --y: -38; --z: -900; --ry: -8; --rz: -2; }
.shot-page { width: clamp(130px, 14vw, 240px); border-radius: 6px; }
.hero-copy {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  padding: calc(var(--nav-h) + 24px) var(--gutter) 40px;
}
.hero h1 { font-size: clamp(40px, 6.4vw, 96px); line-height: 1.08; letter-spacing: -0.015em; }
.hero .lead { margin-top: clamp(16px, 2.2vw, 28px); max-width: 30em; }
.cta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: clamp(24px, 3vw, 36px); }
.hero-caption {
  position: absolute; left: 0; right: 0; bottom: clamp(28px, 6svh, 64px); z-index: 2;
  text-align: center; font-size: clamp(15px, 1.4vw, 19px); color: var(--ink-2);
  opacity: 0; padding: 0 var(--gutter);
}

/* ---------- 用法 ---------- */
.how { position: relative; }
.how-stage {
  --phone-h: min(76svh, 700px);
  --phone-w: calc(var(--phone-h) * 0.4891);
  height: 100svh; min-height: 620px;
  max-width: var(--max); margin: 0 auto; padding: calc(var(--nav-h) + 12px) var(--gutter) 24px;
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: center; gap: clamp(24px, 4vw, 64px);
}
.how-copy h2 { margin-bottom: clamp(24px, 4svh, 44px); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: clamp(16px, 3svh, 28px); }
.step { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 14px; opacity: 0.32; transition: opacity 0.5s var(--ease); }
.step.is-active { opacity: 1; }
.step-n { width: 28px; height: 28px; margin-top: 3px; border-radius: 50%; display: grid; place-items: center; font: 600 14px/1 var(--font); background: var(--fill-strong); }
.step.is-active .step-n { background: var(--ink); color: var(--surface); transition: background-color 0.5s var(--ease), color 0.5s var(--ease); }
.step h3 { font-size: clamp(20px, 1.9vw, 26px); line-height: 1.3; margin-bottom: 6px; }
.step p { color: var(--ink-2); font-size: clamp(15px, 1.25vw, 17px); max-width: 28em; }
.how-visual { display: flex; align-items: center; justify-content: center; gap: clamp(16px, 3vw, 44px); perspective: 1400px; }
.source { flex: none; width: calc(var(--phone-h) * 0.66 * 0.462); }
.source-card { position: relative; aspect-ratio: 1266 / 2740; border-radius: 10px; border: 0.5px solid var(--hairline); overflow: hidden; background: var(--raised); box-shadow: var(--shadow); transform-origin: 30% 66%; will-change: transform; }
.source-zoom { position: absolute; inset: 0; transform-origin: 30% 67%; will-change: transform; }
.source-card img { width: 100%; height: 100%; object-fit: cover; }
.scan { position: absolute; left: 0; right: 0; top: 0; height: 18%; transform: translateY(-110%); background: rgba(234, 170, 0, 0.16); border-bottom: 2px solid var(--find-line); opacity: 0; }
.mark { position: absolute; background: var(--find); border-radius: 3px; transform-origin: left center; transform: scaleX(0); mix-blend-mode: multiply; }
.mark-addr { left: 3.4%; top: 65.6%; width: 52.5%; height: 3.3%; }

/* ---------- 功能 ---------- */
.features { position: relative; overflow: hidden; padding: clamp(80px, 12svh, 140px) 0 clamp(64px, 10svh, 120px); }
.features-head { max-width: var(--max); margin: 0 auto clamp(32px, 6svh, 56px); padding: 0 var(--gutter); }
.features-track {
  display: flex; gap: clamp(20px, 3vw, 40px);
  padding: 0 max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  width: max-content;
}
.panel {
  width: min(980px, 80vw); height: min(600px, 62svh);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(24px, 4vw, 56px);
  padding: clamp(28px, 4vw, 56px);
  background: var(--surface); border-radius: 32px;
  overflow: hidden;
}
.panel h3 { font-size: clamp(26px, 2.8vw, 40px); line-height: 1.18; margin-bottom: 16px; }
.panel p { color: var(--ink-2); font-size: clamp(16px, 1.3vw, 18px); max-width: 24em; }
.panel-visual { height: 100%; display: flex; align-items: center; justify-content: center; min-height: 0; }
.panel-shot { height: 100%; width: auto; max-width: 100%; object-fit: contain; border-radius: clamp(20px, 2.4vw, 34px); box-shadow: 0 0 0 0.5px var(--hairline), var(--shadow); will-change: transform; }
.scopes { margin: 0; width: min(100%, 340px); display: grid; gap: 10px; }
.scopes div { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 20px; background: var(--raised); border-radius: 16px; box-shadow: 0 0 0 0.5px var(--hairline); }
.scopes dt { font-weight: 500; }
.scopes dd { margin: 0; font-size: 14px; color: var(--ink-3); text-align: right; }
.scopes dd code { font: 14px/1 var(--font-cipher); }

/* ---------- 隐私（深色） ---------- */
.privacy { background: var(--night); color: var(--paper); padding: clamp(96px, 16svh, 180px) var(--gutter) clamp(80px, 12svh, 140px); }
.privacy-stage { max-width: var(--max); margin: 0 auto; min-height: 70svh; display: flex; flex-direction: column; justify-content: center; }
.privacy .lead { color: var(--paper-2); margin-top: clamp(24px, 3svh, 36px); }
.cipher { margin-top: clamp(32px, 6svh, 64px); display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 18px; font-size: clamp(20px, 3vw, 40px); line-height: 1.35; }
.cipher-label { font: 600 13px/1 var(--font-cipher); letter-spacing: 0.02em; padding: 7px 10px; border-radius: 8px; background: rgba(242, 239, 234, 0.1); color: var(--paper-2); align-self: center; }
.cipher-text { min-width: 0; overflow-wrap: anywhere; font-family: var(--font); }
.cipher-text .is-cipher { font-family: var(--font-cipher); color: var(--paper-2); }
.table-wrap { max-width: var(--max); margin: clamp(48px, 8svh, 88px) auto 0; }
.who { width: 100%; border-collapse: collapse; font-size: clamp(15px, 1.2vw, 17px); }
.who th, .who td { text-align: left; vertical-align: top; padding: 18px 16px 18px 0; border-bottom: 0.5px solid var(--night-line); }
.who thead th { font: 600 clamp(17px, 1.5vw, 20px)/1.3 var(--font-display); color: var(--paper); padding-bottom: 14px; }
.who tbody th { font-weight: 500; color: var(--paper); width: 24%; }
.who td { color: var(--paper-2); width: 38%; }
.privacy-notes { max-width: var(--max); margin: clamp(32px, 6svh, 56px) auto 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); color: var(--paper-2); font-size: 15px; }

/* ---------- 下载 ---------- */
.download { max-width: var(--max); margin: 0 auto; padding: clamp(96px, 16svh, 180px) var(--gutter) clamp(64px, 10svh, 120px); text-align: center; }
.download .lead { margin: 20px auto 0; }
.devices {
  --mac-w: min(820px, 72vw);
  margin: clamp(48px, 8svh, 80px) auto 0;
  display: flex; align-items: flex-end; justify-content: center; gap: clamp(24px, 4vw, 56px);
}
/* 并排展示时按真实尺寸比例：iPhone 外框宽 ≈ MacBook Air 外框宽 × 0.2365 */
.device-phone-small { --phone-w: calc(var(--mac-w) * 0.2365); }
.device-phone-solo { --phone-w: min(300px, 64vw); }
.get { list-style: none; margin: clamp(48px, 8svh, 80px) auto 0; padding: 0; max-width: 760px; text-align: left; }
.get li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding: 22px 0; border-bottom: 0.5px solid var(--hairline); }
.get li:first-child { border-top: 0.5px solid var(--hairline); }
.get h3 { font-size: 20px; line-height: 1.3; }
.get p { color: var(--ink-3); font-size: 15px; margin-top: 2px; }
.status { font-size: 14px; color: var(--ink-2); background: var(--fill); padding: 8px 14px; border-radius: 999px; white-space: nowrap; }
.fine { margin: 28px auto 0; color: var(--ink-3); font-size: 14px; max-width: 40em; }

/* ---------- 价格 ---------- */
.pricing { max-width: var(--max); margin: 0 auto; padding: clamp(64px, 10svh, 120px) var(--gutter); }
.pricing .lead { margin-top: 16px; }
.plans { margin-top: clamp(32px, 6svh, 56px); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 24px); }
.plan { padding: 32px 28px; background: var(--surface); border-radius: 24px; box-shadow: 0 0 0 1px var(--hairline); }
.plan h3 { font-size: 22px; }
/* 用自己的 AI 与存储：主推方案，用墨色底与另外两档区分 */
.plan-own { background: var(--ink); color: var(--surface); box-shadow: none; }
.plan.plan-own ul { color: rgba(251, 250, 248, 0.72); }
.plan.plan-own li::before { background: rgba(251, 250, 248, 0.5); }
.price { margin: 16px 0 20px; font: 600 40px/1.1 var(--font-display); }
.price .per { margin-left: 6px; font: 400 16px/1 var(--font); color: var(--ink-3); }
.price-alt { margin: -12px 0 20px; font-size: 14px; color: var(--ink-3); }
.plan ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; color: var(--ink-2); font-size: 15px; }
.plan li { padding-left: 16px; position: relative; }
.plan li::before { content: ''; position: absolute; left: 0; top: 0.72em; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-3); }

/* ---------- 常见问题 ---------- */
.faq { max-width: 860px; margin: 0 auto; padding: clamp(48px, 8svh, 96px) var(--gutter) clamp(96px, 14svh, 160px); }
.qa-list { margin-top: clamp(28px, 5svh, 44px); border-top: 0.5px solid var(--hairline); }
.qa { border-bottom: 0.5px solid var(--hairline); }
.qa summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 22px 0; font: 500 clamp(17px, 1.5vw, 19px)/1.45 var(--font);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: ''; flex: none; width: 10px; height: 10px; margin-right: 4px;
  border-right: 1.5px solid var(--ink-2); border-bottom: 1.5px solid var(--ink-2);
  transform: translateY(-3px) rotate(45deg); transition: transform 0.4s var(--ease);
}
.qa[open] summary::after { transform: translateY(2px) rotate(225deg); }
.qa-body { overflow: hidden; }
.qa-body p { padding: 0 0 24px; color: var(--ink-2); max-width: 40em; }

/* ---------- 页脚 ---------- */
.foot { border-top: 0.5px solid var(--hairline); }
.foot-inner { max-width: var(--max); margin: 0 auto; padding: 40px var(--gutter) 48px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-left: auto; }
.foot-links a { font-size: 14px; color: var(--ink-2); text-decoration: none; transition: color 0.2s var(--ease); }
.foot-links a:hover { color: var(--ink); }
.legal { flex-basis: 100%; font-size: 12px; color: var(--ink-3); }

/* ---------- 窄屏 ---------- */
@media (max-width: 899px) {
  .nav-links { display: none; }

  .shot { width: clamp(96px, 27vw, 150px); border-radius: 14px; }
  .shot-page { width: clamp(110px, 30vw, 170px); border-radius: 5px; }
  /* 窄屏只留四张截图，上下各两张，中间留给文字 */
  .shot[data-shot="lease"], .shot[data-shot="cat"] { display: none; }
  .shot[data-shot="note"] { --x: -26; --y: -37; --z: -200; }
  .shot[data-shot="chat"] { --x: 27; --y: -38; --z: -460; }
  .shot[data-shot="bill"] { --x: -26; --y: 47; --z: -640; }
  .shot[data-shot="flight"] { --x: 27; --y: 46; --z: -160; }
  .nav .btn { margin-left: auto; }

  .lead { font-size: 16px; line-height: 1.75; }
  .hero-copy { padding-left: 24px; padding-right: 24px; }
  .hero h1 { font-size: 38px; line-height: 1.12; }
  .hero .lead { margin-top: 20px; max-width: 19em; }
  .cta-row { margin-top: 32px; }

  .how-stage {
    --phone-h: min(50svh, 470px);
    grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; align-items: start;
    gap: 24px; padding-top: calc(var(--nav-h) + 28px);
  }
  .how-copy h2 { margin-bottom: 20px; }
  .step p { font-size: 15px; line-height: 1.7; }
  .how-visual { gap: 20px; }
  .steps { display: block; position: relative; min-height: 6.4em; }
  .step { position: absolute; inset: 0 0 auto; opacity: 0; visibility: hidden; transition: opacity 0.5s var(--ease), visibility 0s linear 0.5s; }
  .step.is-active { opacity: 1; visibility: visible; transition: opacity 0.5s var(--ease); }
  .step h3 { margin-bottom: 4px; }
  .how-visual { align-self: center; }
  .source-card { border-radius: 8px; }

  .features { padding-bottom: 48px; }
  .features-head { margin-bottom: 32px; }
  .features-track { flex-direction: column; width: auto; padding: 0 var(--gutter); gap: 32px; }
  .panel { width: 100%; height: auto; grid-template-columns: minmax(0, 1fr); padding: 36px 24px 0; border-radius: 26px; gap: 32px; }
  .panel h3 { font-size: 26px; margin-bottom: 12px; }
  .panel p { font-size: 16px; line-height: 1.75; }
  .panel-visual { height: auto; align-items: flex-start; }
  .panel-shot { width: min(64vw, 260px); height: min(92vw, 360px); object-fit: cover; object-position: top center; border-radius: 24px 24px 0 0; box-shadow: 0 0 0 0.5px var(--hairline); }
  .panel-text { padding-bottom: 36px; }

  .who thead { display: none; }
  .who, .who tbody, .who tr, .who th, .who td { display: block; width: auto; }
  .who tr { padding: 22px 0; border-bottom: 0.5px solid var(--night-line); }
  .who th, .who td { border: 0; padding: 0; }
  .who tbody th { margin-bottom: 8px; width: auto; }
  .who td { display: grid; grid-template-columns: 5.5em minmax(0, 1fr); gap: 12px; padding: 4px 0; }
  .who td::before { color: var(--paper-3); }
  .who td:nth-of-type(1)::before { content: '普通资料'; }
  .who td:nth-of-type(2)::before { content: '锁定资料'; }
  .privacy-notes { grid-template-columns: minmax(0, 1fr); gap: 18px; }

  .device-mac { display: none; }
  .device-phone-small { --phone-w: min(56vw, 240px); }
  .device-phone-solo { --phone-w: min(60vw, 260px); }

  .plans { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .plan { padding: 28px 24px; }
  .qa summary { padding: 20px 0; }
}

@media (max-width: 420px) {
  .cta-row .btn { flex: 1 1 100%; max-width: 320px; }
}

/* 关闭动态效果时：首屏截图收在两侧，其余静态展示 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}

/* ---------- 独立文字页（隐私政策等） ---------- */
.doc-page { padding-top: calc(var(--nav-h) + 64px); min-height: 70svh; }
.doc-page .lead { margin-top: 20px; }