/* ==========================================================================
   办公岛 · 官网样式
   方向：排版、留白与细线。颜色只承担层级区分，不做装饰。
   主色取应用图标的深海军蓝 #0B1938；青 / 靛 / 薄荷三个亮色只出现在岛模拟图
   内部，因为在那里它们是真实 UI 语义（待办 = 青，剪贴板 = 薄荷，邮箱 = 靛）。
   ========================================================================== */

:root {
  /* 中性色：背景带一点点冷调，但不发蓝 */
  --paper: #fbfbfd;
  --paper-2: #f3f3f7;
  --ink: #0b1938;
  --body: #4b5263;
  --muted: #747b8b;
  --faint: #838a99;

  --line: #e9e9ef;
  --line-strong: #d8d8e1;

  /* 岛内部色板（只在岛上使用） */
  --island: #0b1938;
  --island-text: #eef2f9;
  --island-dim: #93a2c0;
  --island-line: rgba(255, 255, 255, 0.08);
  --island-fill: rgba(255, 255, 255, 0.045);

  --cyan: #2be8fc;
  --indigo: #7293fa;
  --mint: #6cf3ad;

  --wrap: 1000px;
  --gutter: 24px;
  --r: 8px;

  --font: "PingFang SC", -apple-system, BlinkMacSystemFont, "SF Pro Text",
          "Helvetica Neue", "Hiragino Sans GB", "Noto Sans SC",
          "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #060a14;
    --paper-2: #0c1220;
    --ink: #f2f5fa;
    --body: #aeb5c3;
    --muted: #8d95a5;
    --faint: #737b8b;

    --line: #1a2130;
    --line-strong: #272f40;

    --island: #0e1a33;
    --island-text: #eef2f9;
    --island-dim: #94a2be;
    --island-line: rgba(255, 255, 255, 0.09);
    --island-fill: rgba(255, 255, 255, 0.05);
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}
a:hover { border-bottom-color: currentColor; }

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

::selection { background: rgba(11, 25, 56, 0.14); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* =========================== 顶部栏 =========================== */

.site-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 251, 253, 0.84);
  backdrop-filter: saturate(1.6) blur(18px);
  -webkit-backdrop-filter: saturate(1.6) blur(18px);
  border-bottom: 1px solid var(--line);
}

@media (prefers-color-scheme: dark) {
  .site-bar { background: rgba(6, 10, 20, 0.82); }
}

.site-bar__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 52px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.brand__mark { width: 22px; height: 22px; border-radius: 5px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.site-nav__link {
  border: 0;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.16s var(--ease);
}
.site-nav__link:hover { color: var(--ink); }
.site-nav__link[aria-current="page"] { color: var(--ink); }

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  border: 0;
  padding: 5px 13px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: opacity 0.16s var(--ease);
}
.site-nav__cta:hover { opacity: 0.84; }

@media (max-width: 720px) {
  .site-nav { gap: 16px; }
  .site-nav__link--wide { display: none; }
}

@media (max-width: 420px) {
  .site-nav { gap: 14px; }
}

/* =========================== Hero =========================== */

.hero {
  padding-block: 88px 0;
  text-align: center;
}

@media (max-width: 600px) {
  .hero { padding-top: 60px; }
}

.kicker {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--faint);
}

.hero__title {
  max-width: 16em;
  margin: 20px auto 0;
  font-size: clamp(28px, 5.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  font-weight: 600;
  color: var(--ink);
  text-wrap: balance;
}

.hero__lead {
  max-width: 33em;
  margin: 24px auto 0;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.85;
  color: var(--body);
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 26px;
  margin-top: 34px;
}

.hero__note {
  margin: 20px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--faint);
}

/* =========================== 按钮与文字链接 =========================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  background: var(--ink);
  color: var(--paper);
  transition: opacity 0.16s var(--ease);
}
.btn:hover { opacity: 0.85; }

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--ink); opacity: 1; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  font-size: 14px;
  color: var(--ink);
}
.link-arrow::after {
  content: "→";
  font-size: 13px;
  color: var(--muted);
  transition: transform 0.18s var(--ease);
}
.link-arrow:hover::after { transform: translateX(3px); }

/* =========================== 岛（签名元素）=========================== */

.island-stage {
  /* --zoom 由脚本按可用宽度与视口高度写成具体数值；CSS 只用它做缩放与占位 */
  --zoom: 1;
  --zoom-pill: clamp(0.8, var(--zoom), 1);
  --shadow-room: 56px;

  position: relative;
  width: 100%;
  /* 展开态 = 面板的实际显示高度 + 给阴影留出的余量 */
  height: calc(500px * var(--zoom) + var(--shadow-room));
  margin: 56px auto 0;
  /* 展开层按真实 680pt 排版，超出的部分在舞台内裁切，
     既不出横向滚动，也不会把阴影整片切掉（底部预留了 shadow-room） */
  overflow: hidden;
  transition: height 0.34s var(--ease);
}

/* 折叠态只占胶囊高度 + 阴影余量，页面不出现半屏空白 */
.island-stage[data-open="false"] {
  height: calc(34px * var(--zoom-pill) + 28px);
}

@media (max-width: 760px) {
  .island-stage { margin-top: 40px; --shadow-room: 40px; }
}

/* 每一层都按自身真实宽度居中：left:50% + 负外边距。
   比 flex 居中稳——子元素比容器宽时 flex 会把它整体推向一侧。 */
.island-stage__layer {
  position: absolute;
  top: 0;
  left: 50%;
  transform-origin: top center;
}

/* —— 折叠胶囊：刘海宽度 + 56pt，高 34pt —— */
.island-collapsed {
  width: 241px;
  height: 34px;
  margin-left: -120.5px;
  transform: scale(var(--zoom-pill));
  transition: opacity 0.2s var(--ease), transform 0.3s var(--ease), visibility 0s;
  z-index: 2;
}

/* —— 展开面板：始终按真实 680 × 500pt 排版，再由 transform 等比缩到容器内 —— */
.island-expanded {
  width: 680px;
  height: 500px;
  margin-left: -340px;
  transform: scale(calc(var(--zoom) * 0.965));
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s var(--ease), transform 0.32s var(--ease), visibility 0s;
  z-index: 3;
}

/* 展开状态只有一个来源：stage 上的 data-open，与脚本保持一致。
   visibility 把收起的一层移出 Tab 顺序与读屏树，延迟到淡出结束再生效。 */
.island-stage[data-open="true"] .island-collapsed {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(calc(var(--zoom-pill) * 1.03));
  transition: opacity 0.2s var(--ease), transform 0.3s var(--ease),
              visibility 0s linear 0.2s;
}

.island-stage[data-open="false"] .island-expanded {
  visibility: hidden;
  transition: opacity 0.24s var(--ease), transform 0.32s var(--ease),
              visibility 0s linear 0.32s;
}

.island-stage[data-open="true"] .island-expanded {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(var(--zoom));
}

/* 折叠胶囊 */
.pill {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--island);
  color: var(--island-text);
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 6px 18px -12px rgba(11, 25, 56, 0.55),
              inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

/* 折叠胶囊宽 241 = 刘海 185 + 56 */
.pill__notch {
  width: 185px;
  height: 100%;
  background: #000;
}

.pill__side {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0 3px;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--island-text);
}

.pill__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
}

.pill__chev {
  width: 6px;
  height: 6px;
  border-right: 1.3px solid var(--island-dim);
  border-bottom: 1.3px solid var(--island-dim);
  transform: rotate(45deg) translate(-1px, -1px);
}

.pill:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }

/* 展开面板本体：收敛的圆角、一条发丝级描边、一层低对比阴影 */
.panel {
  display: flex;
  flex-direction: column;
  width: 680px;
  height: 500px;
  border-radius: 16px;
  background: var(--island);
  color: var(--island-text);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 22px 44px -28px rgba(6, 12, 30, 0.45),
              0 1px 3px rgba(6, 12, 30, 0.1);
  overflow: hidden;
}

@media (prefers-color-scheme: dark) {
  .panel {
    box-shadow: 0 22px 44px -28px #000,
                0 1px 3px rgba(0, 0, 0, 0.45);
  }
}

/* 面板顶部的刘海就是收起按钮：点它和点真实应用的刘海是同一个动作 */
.panel__notch {
  display: flex;
  justify-content: center;
  flex: none;
  width: 100%;
  height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.panel__notch span {
  width: 176px;
  height: 100%;
  background: #000;
  border-radius: 0 0 9px 9px;
  transition: background-color 0.16s var(--ease);
}
.panel__notch:hover span { background: #0a1122; }

.panel__notch:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.7);
  outline-offset: -3px;
  border-radius: 10px;
}

.panel__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px 10px;
}

.panel__tabs { display: flex; flex: 1; gap: 2px; }

.panel__tab {
  border: 0;
  border-radius: 6px;
  padding: 5px 11px;
  background: transparent;
  color: var(--island-dim);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease);
}
.panel__tab:hover { color: var(--island-text); }
.panel__tab[aria-selected="true"] {
  color: var(--island-text);
  background: rgba(255, 255, 255, 0.1);
  font-weight: 500;
}
.panel__tab:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.7);
  outline-offset: 1px;
}

.panel__gear {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: var(--island-dim);
  font-size: 12px;
}

.panel__hr { height: 1px; margin: 0 18px; background: var(--island-line); }

.panel__body { position: relative; flex: 1; min-height: 0; }

.panel__page {
  position: absolute;
  inset: 14px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  opacity: 0;
  transform: translateY(3px);
  pointer-events: none;
  transition: opacity 0.18s var(--ease), transform 0.2s var(--ease);
}
.panel__page[data-active="true"] {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* —— 面板内的小排版（650 × 470 的实际可用区） —— */
.p-head {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 2px;
}
/* 进度：一条 2px 的细槽，不加盒子 */
.p-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 2px;
}
.p-progress__label { flex: none; font-size: 10.5px; color: var(--island-dim); }
.p-progress__track {
  flex: 1;
  height: 2px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.p-progress__track span {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: var(--cyan);
}

/* 笔记区固定在面板底部，用一条发丝线把它和任务列表分开 */
.p-head--bottom {
  margin-top: 0;
  margin-bottom: 0;
  padding-top: 8px;
}
.p-head__title { font-size: 14.5px; font-weight: 600; letter-spacing: -0.01em; }
.p-head__sub { font-size: 11px; color: var(--island-dim); }

.p-row {
  display: flex;
  flex: none;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: 7px;
  background: var(--island-fill);
  font-size: 12px;
  color: #dde5f2;
}
.p-row--quiet { background: transparent; }

.p-mark { flex: none; width: 3px; height: 14px; border-radius: 2px; }
.p-mark--cyan { background: var(--cyan); }
.p-mark--indigo { background: var(--indigo); }
.p-mark--mint { background: var(--mint); }

.p-check {
  display: grid;
  place-items: center;
  flex: none;
  width: 14px;
  height: 14px;
  border: 1.3px solid rgba(255, 255, 255, 0.26);
  border-radius: 4px;
  font-size: 8px;
  color: transparent;
}
.p-check--done {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #05202a;
}

.p-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.p-text--done { color: var(--island-dim); text-decoration: line-through; }

.p-meta { flex: none; font-size: 10.5px; color: var(--island-dim); }
.p-meta--note { white-space: normal; line-height: 1.6; }

.p-badge {
  flex: none;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(43, 232, 252, 0.14);
  color: var(--cyan);
  font-size: 9.5px;
}

.p-split {
  display: grid;
  flex: 1;
  grid-template-columns: 1.15fr 1fr;
  gap: 9px;
  min-height: 0;
}

.p-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 9px 10px;
  border-radius: 7px;
  background: var(--island-fill);
  overflow: hidden;
}
.p-card--row {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.p-card__label { font-size: 10.5px; color: var(--island-dim); }
.p-card__note {
  font-size: 11px;
  line-height: 1.7;
  color: #c3cfe4;
  white-space: normal;
}

.p-stat { font-size: 21px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }
.p-stat small {
  margin-left: 4px;
  font-size: 10.5px;
  font-weight: 400;
  color: var(--island-dim);
}

.p-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 40px;
  margin-top: auto;
}
.p-bars span {
  flex: 1;
  border-radius: 3px 3px 1px 1px;
  background: linear-gradient(to top, rgba(108, 243, 173, 0.28), var(--mint));
}

.p-mail {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 8px 10px;
  border-radius: 7px;
  background: var(--island-fill);
}
.p-mail--new { box-shadow: inset 2px 0 0 var(--indigo); }
.p-mail__top {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 11.5px;
  color: #e9eff9;
}
.p-mail__from { font-weight: 500; }
.p-mail__time { margin-left: auto; font-size: 10px; color: var(--island-dim); }
.p-mail__subject {
  overflow: hidden;
  font-size: 11px;
  color: var(--island-dim);
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 交互提示：悬停设备与触屏各一句，不占视觉重量 */
.island-hint {
  margin: 14px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--faint);
  text-align: center;
}
.island-hint__touch { display: none; }

@media (hover: none), (pointer: coarse) {
  .island-hint__hover { display: none; }
  .island-hint__touch { display: inline; }
}

/* 真实几何参数：一行小字，不加盒子。窄屏允许折行，用间距而不是分隔符分组 */
.spec {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 2px 22px;
  max-width: 660px;
  margin: 26px auto 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--faint);
  text-align: center;
}
.spec span { white-space: nowrap; }

.island-block { padding-bottom: 84px; }

@media (max-width: 600px) {
  .island-block { padding-bottom: 62px; }
}

/* =========================== 章节 =========================== */

.section {
  padding-block: 84px;
  border-top: 1px solid var(--line);
}

@media (max-width: 600px) {
  .section { padding-block: 60px; }
}

.section__title {
  max-width: 24em;
  margin: 0;
  font-size: clamp(23px, 3.2vw, 32px);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: -0.022em;
  color: var(--ink);
  text-wrap: balance;
}

.section__desc {
  max-width: 33em;
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--body);
  text-wrap: pretty;
}

/* =========================== 岛内三页 =========================== */

.modules {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 40px;
  margin-top: 48px;
}

@media (max-width: 860px) {
  .modules { grid-template-columns: 1fr; gap: 30px; margin-top: 36px; }
}

.module {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.module__name {
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.module__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

.module__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.module__list li { display: flex; gap: 9px; align-items: baseline; }
.module__list li::before {
  content: "";
  flex: none;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line-strong);
  transform: translateY(-3px);
}

/* =========================== 岛外两件工具 =========================== */

.tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 52px;
  margin-top: 48px;
}

@media (max-width: 760px) {
  .tools { grid-template-columns: 1fr; gap: 30px; margin-top: 36px; }
}

.tool {
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.tool__keys { display: flex; gap: 4px; }

kbd {
  padding: 4px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--paper-2);
  color: var(--body);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1;
}

kbd.inline {
  padding: 2px 4px;
  font-size: 10.5px;
  vertical-align: 0.08em;
}

.tool__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.tool__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--body);
  text-wrap: pretty;
}

/* =========================== 隐私 =========================== */

.privacy-band {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

@media (max-width: 820px) {
  .privacy-band { grid-template-columns: 1fr; gap: 34px; }
}

.privacy-band__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 29px);
  font-weight: 600;
  line-height: 1.36;
  letter-spacing: -0.022em;
  color: var(--ink);
}

.privacy-band__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--body);
  text-wrap: pretty;
}

.privacy-band__link { margin: 26px 0 0; }

.privacy-points { margin: 2px 0 0; padding: 0; list-style: none; }

.privacy-points li {
  display: grid;
  grid-template-columns: 15px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--body);
}
.privacy-points li:first-child { border-top-color: var(--line-strong); }

.privacy-points b { font-weight: 600; color: var(--ink); }

.check {
  font-size: 11.5px;
  line-height: 1;
  color: var(--muted);
  transform: translateY(-1px);
}

/* =========================== 获取 =========================== */

.get {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 40px 64px;
  align-items: start;
}

@media (max-width: 760px) {
  .get { grid-template-columns: 1fr; gap: 28px; }
}

.get__facts {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}

.get__facts div {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.6;
}
.get__facts div:first-child { padding-top: 0; }

.get__facts dt { margin: 0; color: var(--faint); }
.get__facts dd { margin: 0; color: var(--ink); }

.get__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 30px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.get__status::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line-strong);
}

/* =========================== 页脚 =========================== */

.site-foot {
  padding: 48px 0 40px;
  border-top: 1px solid var(--line);
}

.site-foot__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 40px;
  align-items: flex-start;
  justify-content: space-between;
}

.site-foot__brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 34em;
}

.site-foot__mark { flex: none; width: 30px; height: 30px; border-radius: 7px; }

.site-foot__name { margin: 0 0 5px; font-size: 13.5px; font-weight: 600; }

.site-foot__meta {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.site-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 12.5px;
  color: var(--muted);
}

.site-foot__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: 34px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--faint);
}

/* 备案号：合规要求的固定落位，结构保持不变 */
.footinfo {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
}
.footinfo a { border-bottom: 0; color: var(--faint); }
.footinfo a:hover { border-bottom: 1px solid currentColor; color: var(--ink); }

/* =========================== 文档页（隐私 / 支持）=========================== */

.doc-head {
  padding: 60px 0 34px;
  border-bottom: 1px solid var(--line);
}

.doc-head__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  justify-content: space-between;
}

.doc-head__title {
  max-width: 22em;
  margin: 20px 0 0;
  font-size: clamp(27px, 4vw, 40px);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.028em;
  color: var(--ink);
  text-wrap: balance;
}

.doc-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--faint);
}

.lang-switch {
  display: inline-flex;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.lang-switch button {
  padding: 3px 12px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease);
}

.lang-switch button[aria-pressed="true"] {
  background: var(--paper-2);
  color: var(--ink);
}

.doc-layout {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 56px;
  padding: 44px 0 88px;
  align-items: start;
}

@media (max-width: 860px) {
  .doc-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 32px 0 64px;
  }
}

/* 网格子项默认 min-width:auto，表格的 min-width 会把整列撑宽。
   显式收窄，让表格在自己的滚动容器里横滚，而不是把页面顶出横向滚动条。 */
.doc-layout > * { min-width: 0; }

.doc-toc {
  position: sticky;
  top: 76px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
}

@media (max-width: 860px) {
  .doc-toc {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px 16px;
    padding: 0;
    border-left: 0;
  }
}

.doc-toc a { border: 0; color: var(--muted); }
.doc-toc a:hover { color: var(--ink); }

.doc-body {
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--body);
}

.doc-body h2 {
  margin: 46px 0 12px;
  font-size: 19.5px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.015em;
  color: var(--ink);
  scroll-margin-top: 80px;
}
.doc-body h2:first-of-type { margin-top: 0; }
.doc-lead + h2 { margin-top: 40px; }

.doc-body h3 {
  margin: 28px 0 8px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
}

.doc-body p { margin: 0 0 15px; text-wrap: pretty; }
.doc-body ul,
.doc-body ol { margin: 0 0 18px; padding-left: 20px; }
.doc-body li { margin: 0 0 8px; }
.doc-body strong { font-weight: 600; color: var(--ink); }

.doc-body code {
  padding: 0.1em 0.36em;
  border-radius: 4px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.82em;
  word-break: break-word;
}

.doc-lead {
  margin: 0 0 12px;
  padding-left: 20px;
  border-left: 2px solid var(--line-strong);
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--ink);
}
.doc-lead p { margin-bottom: 12px; }
.doc-lead p:last-child { margin-bottom: 0; }

.doc-note {
  margin: 20px 0 22px;
  padding: 14px 18px;
  border-left: 2px solid var(--line-strong);
  background: var(--paper-2);
  border-radius: 0 6px 6px 0;
}
.doc-note p:last-child { margin-bottom: 0; }
.doc-note__tag {
  display: block;
  margin-bottom: 7px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.doc-table { margin: 0 0 22px; overflow-x: auto; }

.doc-table table {
  width: 100%;
  min-width: 440px;
  border-collapse: collapse;
  font-size: 13.5px;
  line-height: 1.65;
}

.doc-table th,
.doc-table td {
  padding: 10px 16px 10px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.doc-table th {
  border-bottom-color: var(--line-strong);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--faint);
}

/* =========================== 动效与打印 =========================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-bar, .site-foot, .lang-switch, .doc-toc { display: none !important; }
  body { background: #fff; color: #000; }
  .doc-layout { grid-template-columns: 1fr; padding: 0; }
}