/* 拾念样式（首页 / 登录 / 工作台 / 后台）
   首页视觉：深绿通栏 + 特大标题 + 24 小时时间轴；配色与拾念 App、桌面工作台一致（深绿、浅绿、墨绿灰）
   字体只用系统字体：国内访问 Google Fonts 不稳定 */

:root {
  --night: #22412f;        /* 首屏深绿底 */
  --night-line: #3a5a47;   /* 深色底上的线 */
  --night-soft: #b5c7ba;   /* 深色底上的次要文字 */
  --amber: #8fcfa5;        /* 强调色（浅绿）：「现在」指针、主按钮 */
  --paper: #f7f8f6;
  --grid: #e6ebe5;
  --ink: #29352e;
  --ink-soft: #68736b;
  --marker: #8fcfa5;       /* 焦点框 */
  --red-pen: #d93a3f;      /* 错误提示 */
  --line: #d6ddd5;

  --font-ui: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-hand: "Kaiti SC", "STKaiti", "KaiTi", "BiauKai", serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.75;
  background: var(--paper);
}

.brand {
  font-family: var(--font-ui);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-decoration: none;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- 反馈弹窗 ---------- */
.fb {
  width: min(520px, calc(100vw - 32px));
  padding: 28px 28px 24px;
  color: var(--ink);
  background: #fff;
  border: 0;
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(34, 65, 47, 0.28);
}
.fb::backdrop { background: rgba(34, 65, 47, 0.55); }
.fb h2 { margin: 0 0 6px; font-size: 20px; }
.fb-sub { margin: 0 0 18px; font-size: 14px; color: var(--ink-soft); }
.fb-label { display: block; margin: 12px 0 6px; font-size: 14px; font-weight: 600; }
.fb textarea, .fb input {
  width: 100%;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: var(--paper);
}
.fb textarea { resize: vertical; line-height: 1.6; }
.fb-status { min-height: 1.6em; margin: 12px 0 0; font-size: 14px; }
.fb-status.is-ok { color: #1f7a4d; }
.fb-status.is-error { color: var(--red-pen); }
.fb-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 8px; }
.fb-actions button {
  font: inherit;
  font-size: 15px;
  border-radius: 8px;
  padding: 8px 20px;
  cursor: pointer;
}
.fb-close { background: transparent; border: 1px solid var(--line); color: var(--ink-soft); }
.fb-submit { background: #316b4e; color: #fff; border: 0; font-weight: 600; }
.fb-submit:disabled { opacity: 0.6; cursor: wait; }
.fb button:focus-visible, .fb textarea:focus-visible, .fb input:focus-visible {
  outline: 3px solid var(--marker);
  outline-offset: 2px;
}

/* ---------- 首页 ---------- */
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 40px; }

.home-hero {
  color: #fff;
  background: var(--night);
  padding-bottom: 72px;
}
.home-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 80px;
}
.home-nav .brand { color: #fff; }
.home-badge {
  font-size: 12px;
  color: var(--night-soft);
  border: 1px solid var(--night-line);
  border-radius: 999px;
  padding: 1px 10px;
}
.home-nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.nav-btn {
  font: inherit;
  font-size: 15px;
  color: #fff;
  background: transparent;
  border: 1px solid var(--night-line);
  border-radius: 999px;
  padding: 6px 18px;
  cursor: pointer;
  text-decoration: none;
}
.nav-btn:hover { border-color: var(--night-soft); }

.home-hero h1 {
  margin: 96px 0 0;
  font-size: clamp(44px, 7.2vw, 104px);
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.home-lead {
  max-width: 34em;
  margin: 32px 0 0;
  font-size: 19px;
  line-height: 1.8;
  color: var(--night-soft);
}
.home-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.btn-primary, .btn-secondary {
  font: inherit;
  font-size: 17px;
  font-weight: 600;
  border-radius: 999px;
  padding: 14px 32px;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { color: var(--night); background: var(--amber); border: 0; }
.btn-primary:hover { background: #a6dbb8; }
.btn-secondary { color: #fff; background: transparent; border: 1px solid var(--night-line); }
.btn-secondary:hover { border-color: var(--night-soft); }
.home-hero :focus-visible, .home-close :focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }

/* 24 小时时间轴：轴线在 y=98px，上排文字在轴上方，下排在轴下方 */
.day {
  position: relative;
  margin-top: 112px;
  height: 196px;
}
.day-track, .day-elapsed {
  position: absolute;
  left: 0; top: 98px;
  height: 2px;
  margin-top: -1px;
  background: var(--night-line);
}
.day-track { right: 0; }
.day-elapsed { width: 0; background: var(--amber); }
.day-hour {
  position: absolute;
  top: 110px;
  font-size: 12px;
  color: var(--night-soft);
  font-variant-numeric: tabular-nums;
}
.day-hour.start { left: 0; }
.day-hour.end { right: 0; }
.day-item {
  position: absolute;
  top: 0;
  height: 196px;
  width: 172px;
  margin: 0;
  display: flex;
  flex-direction: column;
  transform: translateX(-12px);
}
.day-item.up { justify-content: flex-end; padding-bottom: 116px; }
.day-item.down { justify-content: flex-start; padding-top: 128px; }
.day-item.end { transform: translateX(calc(-100% + 12px)); text-align: right; }
.day-item::before {
  content: "";
  position: absolute;
  top: 92px;
  left: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--night);
  border: 2px solid var(--night-soft);
}
.day-item.end::before { left: auto; right: 6px; }
.day-time { display: block; font-size: 13px; font-weight: 600; color: #fff; font-variant-numeric: tabular-nums; }
.day-text { display: block; font-size: 13px; line-height: 1.5; color: var(--night-soft); }
.day-item.is-now::before { background: var(--amber); border-color: var(--amber); box-shadow: 0 0 0 5px rgba(143, 207, 165, 0.25); }
.day-item.is-now .day-time { color: var(--amber); }
.day-item.is-now .day-text { color: #fff; }

.day-now {
  position: absolute;
  top: 92px;
  width: 12px; height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--amber);
  z-index: 1;
}
.day-now-label {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 12px;
  font-weight: 600;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

/* 时间轴上的时刻可点击，跳到对应功能 */
a.day-item { width: 152px; text-decoration: none; color: inherit; }
a.day-item:hover .day-text { color: #fff; }

/* 功能介绍：首屏的 24 小时横轴，在这里变成一条竖轴，从早到晚串起每个功能 */
.feats-intro { padding-top: 112px; padding-bottom: 8px; }
.feats-intro p { margin: 16px 0 0; max-width: 34em; font-size: 18px; color: var(--ink-soft); }

.feat { scroll-margin-top: 24px; }
.feat:nth-of-type(even) { background: #fff; }
.feat-row {
  position: relative;
  display: grid;
  grid-template-columns: 96px minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 0 56px;
  align-items: center;
  padding-top: 96px;
  padding-bottom: 96px;
}
/* 每个特点用两个竖排大字点题 */
.feat-key {
  align-self: start;
  margin: 0;
  writing-mode: vertical-rl;
  font-size: 64px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink);
}
.feat-key::after {
  content: "";
  display: block;
  width: 6px; height: 40px;
  margin: 18px auto 0;
  border-radius: 3px;
  background: var(--amber);
}

.feat-copy h2 { margin: 0; font-size: clamp(28px, 3vw, 40px); line-height: 1.25; font-weight: 600; }
.feat-lead { margin: 14px 0 0; font-size: 18px; color: var(--ink-soft); max-width: 26em; }
.feat-copy ul { list-style: none; margin: 28px 0 0; padding: 0; }
.feat-copy li { padding: 12px 0; border-top: 1px solid var(--grid); color: var(--ink-soft); }
.feat-copy li b { display: inline-block; min-width: 6.5em; margin-right: 10px; color: var(--ink); font-weight: 600; }
.feat-note { margin: 18px 0 0; font-size: 14px; color: var(--ink-soft); }
.feat-flow { list-style: none; margin: 28px 0 0; padding: 0; counter-reset: flow; }
.feat-flow li { counter-increment: flow; position: relative; padding: 10px 0 10px 40px; border-top: 1px solid var(--grid); }
.feat-flow li::before {
  content: counter(flow);
  position: absolute; left: 0; top: 11px;
  width: 26px; height: 26px; border-radius: 50%;
  font-size: 13px; line-height: 26px; text-align: center; font-weight: 600;
  color: var(--night); background: var(--amber);
}

/* 界面示意：用真实界面的结构和文案画出来，不用截图 */
.mock {
  margin: 0;
  padding: 22px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--grid);
  border-radius: 16px;
  box-shadow: 0 40px 60px -40px rgba(34, 65, 47, 0.35);
}
.feat:nth-of-type(even) .mock { background: var(--paper); }
.mock p, .mock h4 { margin: 0; }
.mock h4 { font-size: 13px; font-weight: 600; color: var(--ink-soft); }

.mh-quote { font-family: var(--font-hand); font-size: 22px; }
.mh-stats { display: flex; gap: 20px; margin-top: 14px; font-size: 12px; color: var(--ink-soft); }
.mh-stats b { display: block; font-size: 20px; color: var(--ink); font-variant-numeric: tabular-nums; }
.mh-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.mh-cards > div { padding: 12px; border: 1px solid var(--grid); border-radius: 10px; font-size: 13px; background: #fff; }
.mh-cards p { margin-top: 6px; }
.mh-todo { display: flex; align-items: center; gap: 6px; }
.mh-todo i { width: 12px; height: 12px; border: 1.5px solid var(--line); border-radius: 3px; }
.mh-todo.done { color: var(--ink-soft); text-decoration: line-through; }
.mh-todo.done i { background: var(--amber); border-color: var(--amber); }
.mh-ask, .mp-ask {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px; padding: 8px 8px 8px 16px;
  border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); background: #fff;
}
.mh-ask em, .mp-ask em { width: 30px; height: 30px; border-radius: 50%; background: var(--amber); }

.mock-chat { display: grid; gap: 12px; }
.mc-me { justify-self: end; max-width: 80%; padding: 10px 14px; border-radius: 14px 14px 4px 14px; color: #fff; background: var(--night); }
.mc-ai { display: grid; gap: 6px; max-width: 92%; }
.mc-step { font-size: 12px; color: var(--ink-soft); padding-left: 16px; position: relative; }
.mc-step::before { content: ""; position: absolute; left: 2px; top: 7px; width: 7px; height: 7px; border-radius: 50%; background: #3aa76d; }
.mc-file { display: flex; align-items: center; gap: 10px; width: fit-content; padding: 8px 14px 8px 8px; border: 1px solid var(--grid); border-radius: 10px; background: #fff; }
.mc-file span, .ft { font-size: 10px; font-weight: 700; color: #fff; border-radius: 4px; padding: 3px 5px; background: #316b4e; }

.mock-lib { display: grid; grid-template-columns: 110px 1fr; padding: 0; overflow: hidden; }
.ml-side { padding: 16px 10px; background: var(--night); color: var(--night-soft); font-size: 13px; }
.ml-side p { padding: 6px 10px; border-radius: 6px; }
.ml-side p.on { color: #fff; background: rgba(255, 255, 255, 0.1); }
.ml-main { padding: 12px 18px; }
.ml-row { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--grid); }
.ml-row:last-child { border-bottom: 0; }
.ml-row em { margin-left: auto; font-style: normal; font-size: 12px; color: var(--ink-soft); }
.ft.pdf { background: #d6453d; }
.ft.ppt { background: #e07a2f; }
.ft.md { background: #68736b; }

.mock-phone { justify-self: center; width: 300px; padding: 0 0 18px; border-radius: 34px; border: 8px solid var(--night); overflow: hidden; }
.mp-top { padding: 22px 16px 16px; color: #fff; background: var(--night); }
.mp-hi { font-size: 18px; font-weight: 600; }
.mp-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 12px; }
.mp-stats span { padding: 6px 8px; font-size: 10px; color: var(--night-soft); border: 1px solid var(--night-line); border-radius: 8px; }
.mp-stats b { display: block; font-size: 15px; color: var(--amber); font-variant-numeric: tabular-nums; }
.mock-phone .mp-ask { margin: 14px 14px 0; font-size: 13px; color: var(--ink); }
.mp-h { margin: 16px 16px 6px !important; font-weight: 600; }
.mp-task { display: flex; align-items: center; gap: 8px; margin: 0 14px; padding: 10px 0; border-top: 1px solid var(--grid); font-size: 13px; }
.mp-task i { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.mp-task em { margin-left: auto; font-style: normal; font-size: 12px; color: #316b4e; }
.mp-task.ok i { background: #3aa76d; }
.mp-task.ok em { color: #3aa76d; }

.mock-wx { display: grid; gap: 10px; background: #ededed !important; }
.wx-head { text-align: center; font-weight: 600; padding-bottom: 8px; border-bottom: 1px solid #d9d9d9; }
.wx-me, .wx-ai { max-width: 80%; padding: 9px 13px; border-radius: 6px; }
.wx-me { justify-self: end; background: #95ec69; }
.wx-ai { background: #fff; }

.mco-title { font-weight: 600; font-size: 16px; }
.mco-bar { height: 6px; margin: 10px 0 8px; border-radius: 3px; background: var(--grid); }
.mco-bar i { display: block; height: 100%; border-radius: 3px; background: var(--amber); }
.mock-course ol { margin: 0; padding: 0; list-style: none; counter-reset: ch; }
.mock-course li { counter-increment: ch; display: flex; align-items: center; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--grid); color: var(--ink-soft); }
.mock-course li::before { content: counter(ch); width: 22px; height: 22px; flex: none; border-radius: 50%; font-size: 12px; line-height: 20px; text-align: center; border: 1px solid var(--line); }
.mock-course li.done::before { content: "✓"; color: #fff; background: #3aa76d; border-color: #3aa76d; }
.mock-course li.now { color: var(--ink); font-weight: 600; }
.mock-course li.now::before { border-color: var(--amber); background: var(--amber); color: var(--night); }
.mock-course li em { margin-left: auto; font-style: normal; font-size: 12px; font-weight: 400; color: #316b4e; }

.mt-title { font-size: 20px; font-weight: 600; }
.mt-meta { font-size: 12px; color: var(--ink-soft); }
.mock-topic h4 { margin-top: 16px; font-size: 15px; color: var(--ink); }
.mock-topic h4 + p { margin-top: 6px; color: var(--ink-soft); }
.mt-qa { margin-top: 12px; padding: 10px 12px; font-size: 13px; border-left: 3px solid var(--amber); background: rgba(143, 207, 165, 0.1); border-radius: 0 8px 8px 0; }
.mt-quiz { margin-top: 12px; padding: 12px; font-size: 13px; border: 1px solid var(--grid); border-radius: 10px; }
.mt-quiz span { display: block; margin-top: 6px; padding: 6px 10px; border: 1px solid var(--grid); border-radius: 8px; }
.mt-quiz span.on { border-color: #3aa76d; color: #2b7d52; background: rgba(58, 167, 109, 0.08); }

/* 行动示意：我来做 / 待确认 / 助手 */
.ma-title { font-weight: 600; margin-bottom: 6px !important; }
.ma-row { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-top: 1px solid var(--grid); }
.ma-row i { width: 14px; height: 14px; flex: none; border: 1.5px solid var(--line); border-radius: 50%; }
.ma-row span { flex: 1; min-width: 0; }
.ma-row small { display: block; font-size: 12px; color: var(--ink-soft); }
.ma-row em { font-style: normal; font-size: 12px; padding: 2px 8px; border-radius: 4px; }
.ma-me { color: #316b4e; background: #eaf2eb; }
.ma-wait { color: #9d752f; background: #faf3e5; }
.ma-ai { color: #5b77a2; background: #edf2f9; }
/* 记忆示意 */
.mock-mind { display: grid; gap: 10px; }
.mm-row { padding: 12px 14px; border: 1px solid var(--grid); border-radius: 10px; background: #fff; }
.mm-row b { display: block; margin-bottom: 2px; }
.mm-row small { display: block; margin-top: 4px; font-size: 12px; color: var(--ink-soft); }
.mm-wait { border-color: #ecdcb8; background: #faf3e5; }
.mm-wait b { color: #9d752f; }
.mm-row span { display: flex; gap: 14px; margin-top: 8px; font-size: 13px; }
.mm-row em { font-style: normal; color: #316b4e; }
.feat-safe { padding: 56px 0 96px; }
.feat-safe p { margin: 0; max-width: 40em; padding-top: 28px; border-top: 2px solid var(--ink); font-size: 18px; color: var(--ink-soft); }
.feat-safe b { color: var(--ink); }

@media (max-width: 1080px) {
  .feat-row { grid-template-columns: 80px minmax(0, 1fr); gap: 40px 40px; }
  .feat-row .mock { grid-column: 2; }
}
@media (max-width: 900px) {
  .feats-intro { padding-top: 72px; }
  .wrap.feat-row { grid-template-columns: minmax(0, 1fr); gap: 20px; padding-top: 56px; padding-bottom: 56px; }
  .feat-row .mock { grid-column: 1; }
  .feat-key { writing-mode: horizontal-tb; font-size: 40px; display: flex; align-items: center; gap: 14px; }
  .feat-key::after { width: 40px; height: 6px; margin: 0; }
  .feat-copy li b { display: block; min-width: 0; }
  .mh-cards { grid-template-columns: 1fr; }
  .mock-lib { grid-template-columns: 1fr; }
  .ml-side { display: flex; gap: 4px; overflow-x: auto; padding: 10px; }
  .ml-side p { white-space: nowrap; }
  .mock-phone { width: 100%; max-width: 300px; }
  .feat-safe { padding: 40px 0 64px; }
}

/* 收尾 */
.home-close { color: #fff; background: var(--night); padding: 96px 0; }
.home-close .wrap { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 32px; }
.home-close .home-h2 { max-width: 14em; }
.home-close p { margin: 14px 0 0; color: var(--night-soft); font-size: 17px; }

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 24px;
  padding-top: 28px;
  padding-bottom: 36px;
  font-size: 13px;
  color: var(--ink-soft);
}
.privacy { flex-basis: 100%; font-size: 12px; }

@media (max-width: 900px) {
  .wrap { padding: 0 20px; }
  .home-nav { height: 64px; }
  .home-hero h1 { margin-top: 56px; }
  .home-lead { font-size: 17px; }
  .home-close { padding: 64px 0; }
}
@media (max-width: 1199px) {
  /* 中窄屏：时间轴改为竖排列表，避免文字互相压住 */
  .day { height: auto; margin-top: 64px; padding-left: 22px; border-left: 1px solid var(--night-line); }
  .day-track, .day-elapsed, .day-hour, .day-now { display: none; }
  .day-item, .day-item.up, .day-item.down, .day-item.end { position: relative; display: block; height: auto; width: auto; transform: none; text-align: left; padding: 0 0 18px; left: auto !important; }
  .day-item::before, .day-item.end::before { left: -29px; right: auto; top: 7px; }
  .day-time { display: inline; margin-right: 10px; }
  .day-text { display: inline; }
}
@media (max-width: 1199px) and (prefers-reduced-motion: no-preference) {
  .day-item.is-now .day-text::after { content: "  ← 现在"; color: var(--amber); }
}

/* ---------- 登录页：左侧品牌区 + 右侧表单 ---------- */
.page-login { background: #fff; }
.login { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); min-height: 100vh; }

.login-side {
  display: flex;
  flex-direction: column;
  padding: 40px 56px;
  color: #fff;
  background: var(--night);
}
.login-side .brand { color: #fff; }
.login-pitch { margin: auto 0; max-width: 30em; }
.login-pitch h1 { margin: 0 0 48px; font-size: clamp(36px, 3.6vw, 52px); line-height: 1.2; font-weight: 600; }
.login-points { list-style: none; margin: 0; padding: 0; }
.login-points li {
  display: flex;
  flex-direction: column;
  padding: 18px 0 18px 20px;
  border-left: 2px solid var(--night-line);
}
.login-points li:first-child { border-left-color: var(--amber); }
.login-points strong { font-size: 17px; font-weight: 600; }
.login-points span { color: var(--night-soft); font-size: 15px; }
.login-side-foot { margin: 0; font-size: 13px; color: var(--night-soft); }

.login-main { display: flex; align-items: center; justify-content: center; padding: 48px 24px; }
.auth-card { width: min(400px, 100%); }
.auth-tabs {
  display: inline-flex;
  padding: 4px;
  margin-bottom: 36px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.auth-tabs button {
  font: inherit;
  font-size: 15px;
  color: var(--ink-soft);
  background: none;
  border: 0;
  border-radius: 999px;
  padding: 6px 22px;
  cursor: pointer;
}
.auth-tabs button[aria-selected="true"] { color: #fff; background: #316b4e; font-weight: 600; }
.auth-title { margin: 0; font-size: 30px; font-weight: 600; line-height: 1.3; }
.auth-sub { margin: 6px 0 28px; color: var(--ink-soft); }
.auth-label { display: block; margin: 16px 0 6px; font-size: 14px; font-weight: 600; }
.auth-card input {
  width: 100%;
  font: inherit;
  font-size: 16px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.15s;
}
.auth-card input:hover { border-color: #a8b5ab; }
.auth-card input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(143, 207, 165, 0.35); }
#invite:not(:placeholder-shown) { letter-spacing: 0.2em; text-transform: uppercase; }
.auth-hint { margin: 12px 0 0; font-size: 13px; color: var(--ink-soft); line-height: 1.6; }
.auth-card .fb-status { min-height: 1.6em; margin: 12px 0 6px; }
.auth-submit {
  width: 100%;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: #316b4e;
  border: 0;
  border-radius: 10px;
  padding: 13px;
  cursor: pointer;
}
.auth-submit:hover { background: #285d43; }
.auth-submit:disabled { opacity: 0.6; cursor: wait; }
.auth-switch, .auth-apply { margin: 16px 0 0; font-size: 14px; color: var(--ink-soft); text-align: center; }
.auth-apply { margin-top: 6px; }
.link-btn {
  font: inherit; color: var(--ink); font-weight: 600;
  background: none; border: 0; padding: 0; cursor: pointer;
  text-decoration: underline; text-underline-offset: 3px;
}
.page-login :is(button, a):focus-visible { outline: 3px solid var(--marker); outline-offset: 2px; }

@media (max-width: 900px) {
  .login { grid-template-columns: 1fr; }
  .login-side { padding: 20px 20px 28px; }
  .login-pitch { margin: 28px 0 0; }
  .login-pitch h1 { margin: 0; font-size: 28px; }
  .login-points, .login-side-foot { display: none; }
  .login-main { align-items: flex-start; padding: 32px 20px 48px; }
  .auth-tabs { margin-bottom: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .auth-card input { transition: none; }
}

/* ---------- 后台管理 ---------- */
.page-admin { background: var(--paper); background-image: none; font-size: 15px; }
.page-admin.is-checking .ad-shell { visibility: hidden; }
.ad-shell { display: flex; min-height: 100vh; }
.ad-side {
  position: sticky;
  top: 0;
  flex-shrink: 0;
  width: 208px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 22px 14px 18px;
  color: #fff;
  background: var(--night);
}
.ad-brand { display: flex; flex-direction: column; gap: 2px; margin: 0 10px 28px; }
.ad-brand .brand { color: #fff; font-size: 20px; }
.ad-title { font-size: 13px; color: var(--amber); }
.ad-tabs { display: flex; flex-direction: column; gap: 2px; }
.ad-tabs button {
  position: relative;
  font: inherit;
  font-size: 15px;
  text-align: left;
  color: var(--night-soft);
  background: none;
  border: 0;
  border-radius: 8px;
  padding: 9px 12px;
  cursor: pointer;
}
.ad-tabs button:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.ad-tabs button[aria-selected="true"] { color: #fff; background: rgba(255, 255, 255, 0.1); font-weight: 600; }
.ad-tabs button[aria-selected="true"]::before {
  content: "";
  position: absolute;
  left: 0; top: 10px; bottom: 10px;
  width: 3px;
  border-radius: 2px;
  background: var(--amber);
}
.ad-side-foot {
  margin-top: auto;
  padding: 14px 10px 0;
  border-top: 1px solid var(--night-line);
  display: flex;
  flex-wrap: wrap;
  gap: 2px 14px;
  font-size: 13px;
}
.ad-side-foot a { color: var(--night-soft); text-decoration: none; }
.ad-side-foot a:hover { color: #fff; }
.ad-user { flex-basis: 100%; margin: 0 0 4px; color: #fff; font-weight: 600; font-size: 14px; }
.ad-denied { flex: 1; margin: 48px; color: var(--red-pen); }
.ad-body { flex: 1; min-width: 0; max-width: 1240px; padding: 32px 40px 64px; }
.ad-page-title { margin: 0 0 20px; font-size: 26px; font-weight: 600; }
.ad-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 16px; font-size: 14px; }
.ad-toolbar select, .ad-toolbar input, .ad-fields input {
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px 10px;
}
.ad-toolbar input[type=search] { width: min(280px, 100%); }
.ad-count { color: var(--ink-soft); }
.ad-btn, .ad-btn-ghost {
  font: inherit;
  font-size: 14px;
  border-radius: 6px;
  padding: 7px 16px;
  cursor: pointer;
}
.ad-btn { color: var(--paper); background: #316b4e; border: 0; font-weight: 600; }
.ad-btn:disabled { opacity: 0.6; cursor: wait; }
.ad-btn-ghost { color: var(--ink); background: #fff; border: 1px solid var(--line); }
.ad-link {
  font: inherit; font-size: 13px; color: var(--ink);
  background: none; border: 0; padding: 0 6px 0 0; cursor: pointer;
  text-decoration: underline; text-underline-offset: 3px;
}
.page-admin :is(button, a, select, input, summary, .ad-bar):focus-visible { outline: 3px solid var(--marker); outline-offset: 2px; }

/* 数字卡片 */
.ad-tiles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 20px; }
.ad-tile { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 14px 16px; }
.ad-tile-label { margin: 0; font-size: 13px; color: var(--ink-soft); }
.ad-tile-value { margin: 2px 0; font-size: 30px; font-weight: 700; line-height: 1.2; font-variant-numeric: tabular-nums; }
.ad-tile-sub { margin: 0; font-size: 12px; color: var(--ink-soft); }

/* 柱状图 */
.ad-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ad-chart { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 14px 16px 8px; }
.ad-chart figcaption { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.ad-plot svg { display: block; width: 100%; height: auto; }
.ad-grid { stroke: var(--grid); stroke-width: 1; }
.ad-axis { font-size: 11px; fill: var(--ink-soft); font-variant-numeric: tabular-nums; }
.ad-hit { fill: transparent; }
.ad-bar-fill { fill: #316b4e; }
.ad-bar:hover .ad-bar-fill, .ad-bar:focus .ad-bar-fill { fill: var(--ink); }
.ad-bar { outline: none; }
.ad-tip {
  position: absolute;
  z-index: 20;
  padding: 4px 10px;
  font-size: 13px;
  color: var(--paper);
  background: var(--ink);
  border-radius: 4px;
  pointer-events: none;
  white-space: nowrap;
}
.ad-table-toggle { margin: 10px 0 8px; font-size: 14px; }
.ad-table-toggle summary { cursor: pointer; color: var(--ink-soft); }
.ad-table-toggle .ad-table-wrap { margin-top: 10px; }

.ad-split { display: grid; grid-template-columns: 3fr 2fr; gap: 32px; margin-top: 12px; }
.ad-h2 { margin: 28px 0 4px; font-size: 17px; }
.ad-note { margin: 0 0 12px; font-size: 13px; color: var(--ink-soft); }
.ad-note code, .ad-table code { font-size: 13px; background: var(--grid); padding: 1px 5px; border-radius: 3px; }

/* 漏斗 */
.ad-fn-row { display: grid; grid-template-columns: 9em 1fr 3em 3em; align-items: center; gap: 10px; padding: 5px 0; font-size: 14px; }
.ad-fn-track { height: 14px; background: var(--grid); border-radius: 0 4px 4px 0; }
.ad-fn-bar { display: block; height: 100%; min-width: 2px; background: #316b4e; border-radius: 0 4px 4px 0; }
.ad-fn-n { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.ad-fn-rate { font-size: 12px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }

/* 表格 */
.ad-table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.ad-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.ad-table th { text-align: left; font-weight: 600; font-size: 13px; color: var(--ink-soft); background: #f0f3ef; padding: 8px 12px; white-space: nowrap; }
.ad-table td { padding: 8px 12px; border-top: 1px solid var(--grid); vertical-align: top; }
.ad-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.ad-wrap { min-width: 12em; word-break: break-all; }
.ad-muted { color: var(--ink-soft); font-size: 12px; }
.ad-empty { color: var(--ink-soft); text-align: center; padding: 24px 12px; }
.ad-tag { font-size: 12px; color: var(--red-pen); border: 1px solid var(--red-pen); border-radius: 3px; padding: 0 5px; }
.ad-state { font-size: 12px; border-radius: 3px; padding: 1px 6px; }
.ad-state-available { color: #1f7a4d; background: #e3f4ea; }
.ad-state-used { color: var(--ink-soft); background: var(--grid); }
.ad-state-disabled { color: var(--red-pen); background: #fbe7e7; }

/* 邀请码表单 */
.ad-invite-form { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 4px 20px 20px; margin-bottom: 24px; }
.ad-invite-form .ad-h2 { margin-top: 16px; margin-bottom: 12px; }
.ad-fields { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; }
.ad-fields label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink-soft); }
.ad-fields input[type=number] { width: 8em; }
.ad-field-wide { flex: 1; min-width: 14em; }
.ad-new-codes { margin-top: 16px; }
.ad-new-codes textarea {
  width: 100%;
  font: 13px/1.6 ui-monospace, Menlo, monospace;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 10px;
  margin-bottom: 8px;
}

/* 反馈 */
.ad-fb { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; margin-bottom: 10px; }
.ad-fb-meta { margin: 0 0 4px; font-size: 12px; color: var(--ink-soft); }
.ad-fb-body { margin: 0; white-space: pre-wrap; }

.ad-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  margin: 0;
  padding: 8px 18px;
  font-size: 14px;
  color: var(--paper);
  background: var(--ink);
  border-radius: 6px;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.ad-toast.is-on { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .ad-tiles { grid-template-columns: repeat(2, 1fr); }
  .ad-charts, .ad-split { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 760px) {
  .ad-shell { flex-direction: column; }
  .ad-side { position: static; width: auto; height: auto; padding: 14px 16px 10px; }
  .ad-brand { flex-direction: row; align-items: baseline; gap: 10px; margin: 0 0 10px; }
  .ad-tabs { flex-direction: row; overflow-x: auto; }
  .ad-tabs button { white-space: nowrap; padding: 6px 12px; }
  .ad-tabs button[aria-selected="true"]::before { display: none; }
  .ad-side-foot { display: none; }
  .ad-body { padding: 20px 16px 48px; }
  .ad-fn-row { grid-template-columns: 7em 1fr 2.5em 2.5em; gap: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  .ad-toast { transition: none; }
}

/* ---------- 工作台启动等待页（由后端网关输出） ---------- */
.page-starting { background: var(--night); color: #fff; }
.starting {
  min-height: 100vh;
  max-width: 560px;
  margin: 0 auto;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.starting .brand { display: flex; align-items: center; gap: 10px; color: #fff; margin: 0 0 36px; }
.starting-logo { border-radius: 7px; }
.starting h1 { margin: 0 0 22px; font-size: 32px; font-weight: 600; }
.starting-sub { margin: 12px 0 32px; color: var(--night-soft); font-size: 17px; }
.starting-steps { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 8px; }
.starting-steps li { position: relative; padding-left: 28px; color: var(--night-soft); font-size: 15px; transition: color .3s; }
.starting-steps li::before {
  content: ""; position: absolute; left: 2px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; border: 2px solid var(--night-line); box-sizing: border-box;
}
.starting-steps li.is-active { color: #fff; }
.starting-steps li.is-active::before { border-color: var(--amber); border-top-color: transparent; animation: starting-spin .8s linear infinite; }
.starting-steps li.is-done { color: #fff; }
.starting-steps li.is-done::before { background: var(--amber); border-color: var(--amber); }
@keyframes starting-spin { to { transform: rotate(360deg); } }
.starting-bar { height: 3px; background: var(--night-line); border-radius: 2px; overflow: hidden; }
.starting-bar span { display: block; height: 100%; width: 30%; background: var(--amber); animation: starting 1.4s ease-in-out infinite; }
@keyframes starting { from { transform: translateX(-100%); } to { transform: translateX(340%); } }
.starting-time { margin: 10px 0 28px; font-size: 13px; color: var(--night-soft); font-variant-numeric: tabular-nums; }
.starting-time b { color: #fff; }
.starting-tip { padding: 16px 18px; border: 1px solid var(--night-line); border-radius: 12px; background: rgba(255,255,255,.03); min-height: 108px; }
.starting-tip.is-in { animation: tip-in .45s ease-out; }
@keyframes tip-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.starting-tip-kicker { margin: 0 0 4px; font-size: 12px; color: var(--amber); }
.starting-tip-title { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.starting-tip-body { margin: 0; color: var(--night-soft); font-size: 14px; line-height: 1.7; }
.starting-quote { margin: 26px 0 0; padding-left: 14px; border-left: 2px solid var(--amber); font-size: 15px; color: #fff; }
.starting-quote span { display: block; margin-top: 4px; font-size: 12px; color: var(--night-soft); }
.starting .btn-primary { align-self: flex-start; }
.starting-foot { margin-top: 32px; font-size: 14px; }
.starting-foot a { color: var(--night-soft); }
@media (prefers-reduced-motion: reduce) {
  .starting-bar span, .starting-steps li.is-active::before, .starting-tip.is-in { animation: none; }
  .starting-bar span { width: 100%; }
}