/* ============================================================
   QAQ · 设计系统 v2「高级信笺」
   定位：高端女性向 · 安静奢华 · 信笺/印章质感
   语言：象牙白纸面 + 深李紫墨色 + 香槟金细线 + 衬线标题
   公开侧：手机优先；后台侧：桌面三栏工作台
   ============================================================ */

:root {
  /* 纸 */
  --bg: #f6f3ec;
  --paper: #fffefb;
  --paper-deep: #f1ede3;

  /* 墨 */
  --ink: #322b36;
  --ink-soft: #847a8c;
  --ink-faint: #b3aab9;

  /* 主色：深李紫 */
  --plum: #6e4f63;
  --plum-deep: #573d4e;
  --plum-soft: #f2ecf0;
  --plum-line: #ddcfd8;

  /* 香槟金 */
  --gold: #ab8d5c;
  --gold-soft: #d9c9a8;
  --gold-line: #e6dcc6;
  --gold-bg: #f8f3e8;

  /* 状态（全部低饱和） */
  --mist-green: #eef2ea;
  --mist-green-ink: #5d7a5a;
  --mist-amber: #f5efdf;
  --mist-amber-ink: #8f742f;
  --mist-rose: #f6e9ea;
  --mist-rose-ink: #a05262;
  --rose: #a05262;

  /* 线与影 */
  --hairline: #e7e1d4;
  --shadow-card: 0 1px 2px rgba(50, 43, 54, 0.04), 0 12px 32px rgba(50, 43, 54, 0.06);
  --shadow-pop: 0 24px 60px rgba(50, 43, 54, 0.22);

  --r-lg: 14px;
  --r-md: 10px;
  --r-sm: 7px;

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --wordmark: "Mulish", "Avenir Next", "Avenir", "Helvetica Neue", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
}

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

/* ============ 公共布局 ============ */

.page {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px calc(56px + env(safe-area-inset-bottom));
  min-height: 100vh;
}

.page-wide {
  max-width: 720px;
  padding-bottom: calc(120px + env(safe-area-inset-bottom));
}

/* 桌面端：放宽容器、展开内容节奏 */
@media (min-width: 1024px) {
  .page {
    max-width: 680px;
  }

  .page-wide {
    max-width: 1000px;
  }

  .hero {
    padding-top: 64px;
    padding-bottom: 40px;
  }

  .hero h1 {
    font-size: 30px;
  }
}

@media (min-width: 1080px) {
  .page-wide .note-list {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 22px;
  }
}

/* 宽容器里的表单保持信纸宽度，不被拉扁 */
.page-wide .paper-form {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* 顶部导航 */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 2px 12px;
  margin-bottom: 4px;
  background: linear-gradient(to bottom, var(--bg) 78%, rgba(246, 243, 236, 0));
}

.site-nav .nav-links {
  display: flex;
  gap: 4px;
}

.nav-pill {
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.18s ease, background 0.18s ease;
}

.nav-pill:hover {
  color: var(--plum);
}

.nav-pill.active {
  color: var(--plum-deep);
  background: var(--plum-soft);
  font-weight: 600;
}

/* ============ QAQ 字标 ============ */

@font-face {
  font-family: "Mulish";
  src: url("/vendor/fonts/mulish-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

.qaq-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--wordmark);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
  font-size: 21px;
  line-height: 1;
  user-select: none;
}

.qaq-logo .qaq-a {
  color: var(--gold);
}

.qaq-logo-lg {
  font-size: 42px;
  letter-spacing: 0.08em;
}

/* ============ 首页 ============ */

.hero {
  text-align: center;
  padding: 44px 8px 30px;
}

.hero-rule {
  width: 36px;
  height: 1px;
  background: var(--gold-soft);
  margin: 20px auto 18px;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 26px;
  margin: 0 0 10px;
  letter-spacing: 0.06em;
}

.hero .hero-sub {
  color: var(--ink-soft);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  margin: 0 auto;
  max-width: 320px;
}

/* 双入口卡片 */
.entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 14px 0 36px;
}

@media (max-width: 420px) {
  .entry-grid {
    grid-template-columns: 1fr;
  }
}

.entry-card {
  position: relative;
  text-align: left;
  border: 1px solid var(--hairline);
  background: var(--paper);
  border-radius: var(--r-lg);
  padding: 22px 20px 20px;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  font: inherit;
  color: inherit;
}

.entry-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold-soft);
  box-shadow: 0 4px 8px rgba(50, 43, 54, 0.05), 0 18px 40px rgba(50, 43, 54, 0.1);
}

.entry-eyebrow {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.entry-card h3 {
  font-family: var(--serif);
  font-weight: 600;
  margin: 0 0 6px;
  font-size: 19px;
  letter-spacing: 0.04em;
}

.entry-card p {
  margin: 0 0 16px;
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.7;
  min-height: 2.6em;
}

.entry-arrow {
  font-size: 14px;
  color: var(--plum);
  letter-spacing: 0.06em;
}

/* 18+ 年龄门 */
.gate-page {
  text-align: center;
  max-width: 380px;
  margin: 0 auto;
  padding: 72px 8px 40px;
}

.gate-page .qaq-logo-lg {
  display: inline-flex;
}

.gate-page h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 23px;
  letter-spacing: 0.06em;
  margin: 0 0 12px;
}

.gate-sub {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 auto 24px;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gate-form input {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  background: var(--paper);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  text-align: center;
  letter-spacing: 0.04em;
}

.gate-form input:focus {
  outline: none;
  border-color: var(--gold-soft);
  box-shadow: 0 0 0 3px rgba(171, 141, 92, 0.12);
}

.gate-form .btn.full {
  margin-top: 4px;
}

.gate-foot {
  font-size: 11.5px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  margin-top: 22px;
}

/* 社区规则页 */
.rules-block {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px 22px 8px;
  margin-top: 22px;
  box-shadow: var(--shadow-card);
}

.rules-block h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: 0.04em;
  color: var(--plum-deep);
  margin: 0 0 6px;
}

.rules-block p {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin: 0 0 20px;
}

/* 首页：主行动 + 三步说明 */
.home-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin: 6px 0 8px;
}

.home-cta .btn.full {
  max-width: 320px;
  margin-top: 0;
}

.home-how {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.how-step {
  display: flex;
  align-items: center;
  gap: 14px;
}

.how-step .how-n {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--gold-soft);
  color: var(--gold);
  font-family: var(--serif);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.how-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

/* 首页预览区 */
.home-preview {
  margin-top: 40px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}

.section-head h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  margin: 0;
  letter-spacing: 0.05em;
}

/* ============ 纸条墙 ============ */

.wall-head {
  text-align: center;
  padding: 22px 0 8px;
}

.wall-head h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.08em;
  margin: 0 0 8px;
}

.wall-head p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.note-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 16px;
}

@media (min-width: 720px) {
  .note-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: start;
  }
}

/* 信笺卡片 */
.note-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 22px 22px 14px;
  box-shadow: var(--shadow-card);
}

.note-card.featured {
  border-color: var(--gold-soft);
  background: linear-gradient(180deg, #fdfaf2, var(--paper) 52%);
}

.featured-star {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  font-weight: 600;
}

.note-body {
  font-family: var(--serif);
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.95;
  letter-spacing: 0.02em;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* 来信回信卡片 */
.note-card.letter-reply {
  border-color: var(--plum-line);
}

/* 回信卡上的「存成图片分享」主行动 */
.note-actions {
  margin-top: 14px;
}

.note-share {
  border: 1px solid var(--plum-line);
  background: var(--plum-soft);
  color: var(--plum-deep);
  font-size: 12px;
  letter-spacing: 0.06em;
  font-weight: 600;
  cursor: pointer;
  padding: 7px 16px;
  border-radius: 999px;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.note-share:hover {
  border-color: var(--gold-soft);
  background: var(--gold-bg);
}

.note-share:disabled {
  opacity: 0.6;
  cursor: default;
}

/* ===== 分享卡：离屏渲染舞台 + 高级信笺竖版构图 ===== */
#share-stage {
  position: fixed;
  left: -10000px;
  top: 0;
  width: 440px;
  pointer-events: none;
  z-index: -1;
}

.share-card {
  width: 440px;
  box-sizing: border-box;
  background: var(--paper);
  border: 1px solid var(--gold-soft);
  border-radius: 18px;
  padding: 32px 32px 24px;
  font-family: var(--serif);
}

.share-card .sc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 16px;
  margin-bottom: 22px;
}

.share-card .sc-logo {
  font-family: var(--wordmark);
  font-size: 27px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
}

.share-card .sc-logo .sc-a {
  color: var(--gold);
  margin: 0;
}

/* 脚部装饰用的小泪滴（品牌符号，非字标） */
.share-card .sc-drop {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin: 0 8px 0 0;
  background: var(--gold);
  border-radius: 50% 50% 50% 0;
  transform: rotate(45deg);
}

.share-card .sc-tag {
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
}

.share-card .sc-eyebrow {
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 10px;
}

.share-card .sc-eyebrow.reply {
  color: var(--plum);
  margin-top: 24px;
}

.share-card .sc-quote {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  background: var(--bg);
  border-left: 2px solid var(--gold-soft);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  white-space: pre-wrap;
  word-break: break-word;
}

.share-card .sc-reply {
  margin: 0;
  font-size: 19px;
  line-height: 1.95;
  letter-spacing: 0.01em;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.share-card .sc-sign {
  margin: 16px 0 0;
  text-align: right;
  font-size: 14px;
  color: var(--ink-soft);
}

.share-card .sc-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 26px;
  padding-top: 15px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font);
}

.share-card .sc-foot-url {
  font-size: 12.5px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  letter-spacing: 0.02em;
}

.share-card .sc-foot-cta {
  font-size: 11.5px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

/* 寄信人侧：邮戳分享卡（内容隐藏，只留仪式感 + CTA） */
.share-card.postmark-card .sc-seal {
  width: 118px;
  height: 118px;
  margin: 26px auto 22px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  position: relative;
}

.share-card.postmark-card .sc-seal::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid var(--gold-line);
  border-radius: 50%;
}

.share-card .scs-face {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3em;
  margin-left: 0.3em;
  color: var(--plum-deep);
}

.share-card .scs-face .scs-a {
  color: var(--gold);
}

.share-card .scs-text {
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin-left: 0.22em;
  color: var(--gold);
}

.share-card .scs-date {
  font-family: var(--font);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
}

.share-card .sc-postline {
  font-family: var(--serif);
  text-align: center;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin: 0 0 10px;
}

.share-card .sc-postsub {
  font-family: var(--font);
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  margin: 0 0 6px;
}

.letter-eyebrow {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 6px;
}

.letter-eyebrow.reply {
  color: var(--plum);
  margin-top: 14px;
}

.letter-quote {
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  background: var(--bg);
  border-left: 2px solid var(--gold-soft);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 10px 14px;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.modal-label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin: 12px 0 6px;
}

.note-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--hairline);
  padding-top: 10px;
}

.note-alias {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--plum);
  font-weight: 600;
}

.note-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11.5px;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
}

.note-report {
  border: none;
  background: none;
  color: var(--ink-faint);
  font-size: 11.5px;
  cursor: pointer;
  /* 视觉保持小字，但把可点击区域撑到约 40px 高（移动可用性） */
  padding: 13px 10px;
  margin: -13px -10px;
  border-radius: 5px;
  letter-spacing: 0.03em;
}

.note-report:hover {
  color: var(--rose);
}

/* 图片网格 */
.pic-grid {
  display: grid;
  gap: 8px;
  margin: 2px 0 14px;
  grid-template-columns: repeat(2, 1fr);
}

.pic-grid.single {
  grid-template-columns: 1fr;
}

.pic-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--hairline);
  background: var(--paper-deep);
}

/* 悬浮写纸条按钮 */
.fab {
  position: fixed;
  right: max(20px, calc(50vw - 290px));
  bottom: calc(26px + env(safe-area-inset-bottom));
  z-index: 25;
  border: none;
  background: var(--ink);
  color: #f5f1ea;
  font-size: 14px;
  letter-spacing: 0.1em;
  padding: 14px 24px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(50, 43, 54, 0.35);
  transition: background 0.2s ease, transform 0.2s ease;
}

.fab:hover {
  background: var(--plum-deep);
  transform: translateY(-2px);
}

/* 加载更多 */
.load-more {
  display: block;
  margin: 30px auto 0;
  border: 1px solid var(--hairline);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 10px 30px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.load-more:hover {
  border-color: var(--gold-soft);
  color: var(--plum);
}

/* 空状态：一张待写的空白信纸 */
.empty-state {
  text-align: center;
  padding: 48px 28px;
  color: var(--ink-soft);
  max-width: 380px;
  margin: 28px auto 0;
  background: var(--paper);
  border: 1px dashed var(--gold-soft);
  border-radius: var(--r-md);
  position: relative;
}

.empty-state::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--hairline);
  border-radius: calc(var(--r-md) - 5px);
  pointer-events: none;
}

.empty-state .face {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.4em;
  color: var(--gold-soft);
  font-weight: 600;
  margin-bottom: 14px;
}

.empty-state p {
  margin: 4px 0;
  font-size: 13.5px;
  letter-spacing: 0.03em;
}

/* 仅加载占位时不需要信纸边框 */
.empty-state.plain {
  background: none;
  border: none;
}

.empty-state.plain::after {
  display: none;
}

/* ============ 表单 ============ */

.form-page-head {
  padding: 18px 0 4px;
}

.form-page-head h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 23px;
  letter-spacing: 0.06em;
  margin: 8px 0 6px;
}

.form-page-head .form-sub {
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.02em;
  margin: 0;
}

.back-link {
  border: none;
  background: none;
  color: var(--ink-faint);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  padding: 4px 0;
}

.back-link:hover {
  color: var(--plum);
}

.paper-form {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 26px 22px 22px;
  margin-top: 24px;
  box-shadow: var(--shadow-card);
}

.paper-form label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin: 20px 0 8px;
}

.paper-form label:first-of-type {
  margin-top: 0;
}

.paper-form label .optional {
  color: var(--ink-faint);
  font-weight: 400;
  letter-spacing: 0.04em;
  margin-left: 4px;
}

.paper-form textarea {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  background: var(--paper);
  padding: 12px 14px;
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 2;
  letter-spacing: 0.02em;
  color: var(--ink);
  resize: vertical;
  min-height: 170px;
}

.paper-form input[type="text"] {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  background: var(--paper);
  padding: 11px 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
}

.paper-form textarea:focus,
.paper-form input:focus {
  outline: none;
  border-color: var(--gold-soft);
  box-shadow: 0 0 0 3px rgba(171, 141, 92, 0.12);
}

.char-count {
  text-align: right;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  margin-top: 6px;
}

.char-count.warn {
  color: var(--rose);
}

/* 图片上传 */
.upload-zone {
  border: 1px dashed var(--gold-soft);
  border-radius: var(--r-md);
  background: var(--gold-bg);
  padding: 16px 14px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.18s ease;
}

.upload-zone:hover {
  border-color: var(--gold);
}

.upload-zone .up-title {
  font-size: 13.5px;
  color: var(--plum);
  letter-spacing: 0.06em;
  font-weight: 600;
  margin: 0 0 3px;
}

.upload-zone .up-hint {
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--ink-faint);
  margin: 0;
}

.thumb-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.thumb {
  position: relative;
}

.thumb img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--hairline);
}

.thumb .thumb-x {
  position: absolute;
  top: -7px;
  right: -7px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  background: var(--ink);
  color: #f5f1ea;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumb .thumb-size {
  display: block;
  text-align: center;
  font-size: 10px;
  color: var(--ink-faint);
  margin-top: 3px;
}

/* 按钮 */
.btn {
  border: none;
  background: var(--ink);
  color: #f5f1ea;
  font-size: 14px;
  letter-spacing: 0.14em;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn:hover { background: var(--plum-deep); }
.btn:disabled { background: var(--ink-faint); cursor: not-allowed; }
.btn.full { width: 100%; margin-top: 22px; }

.btn-ghost {
  border: 1px solid var(--hairline);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.05em;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.btn-ghost:hover {
  border-color: var(--gold-soft);
  color: var(--plum);
}

.btn-danger {
  border: 1px solid #e4ccd1;
  background: var(--paper);
  color: var(--rose);
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
}

.btn-danger:hover { background: var(--mist-rose); }

.text-link {
  border: none;
  background: none;
  color: var(--plum);
  font-size: 13px;
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: 4px 2px;
}

/* 提示条 */
.error-text {
  background: var(--mist-rose);
  color: var(--rose);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin: 16px 0 0;
}

.info-text {
  background: var(--mist-green);
  color: var(--mist-green-ink);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin: 16px 0 0;
}

/* 页脚 */
.site-foot {
  margin-top: 56px;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

.site-foot .foot-links {
  display: flex;
  gap: 16px;
}

.site-foot button {
  border: none;
  background: none;
  color: var(--ink-faint);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  /* 扩大触控区域，视觉不变 */
  padding: 14px 8px;
  margin: -14px -8px;
}

.site-foot button:hover { color: var(--plum); }

/* ============ 成功页：金线印章 ============ */

.success-page {
  text-align: center;
  padding: 68px 16px 30px;
}

.postmark {
  width: 124px;
  height: 124px;
  margin: 0 auto 30px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transform: rotate(-6deg);
  color: var(--ink);
  position: relative;
  animation: stamp-in 0.5s cubic-bezier(0.2, 1.3, 0.4, 1) both;
}

.postmark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid var(--gold-line);
  border-radius: 50%;
}

.postmark .pm-face {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.3em;
  margin-left: 0.3em;
  color: var(--plum-deep);
}

.postmark .pm-text {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin-left: 0.22em;
  color: var(--gold);
}

.postmark .pm-date {
  font-size: 9.5px;
  color: var(--ink-faint);
  letter-spacing: 0.12em;
}

@keyframes stamp-in {
  from { transform: rotate(-6deg) scale(1.5); opacity: 0; }
  to { transform: rotate(-6deg) scale(1); opacity: 1; }
}

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

.success-page h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 23px;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}

.success-page .success-sub {
  color: var(--ink-soft);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  max-width: 300px;
  margin: 0 auto 32px;
}

.success-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

/* ============ 信箱：恢复码与地址卡 ============ */

.recovery-card {
  max-width: 360px;
  margin: 0 auto;
  background: var(--paper);
  border: 1px solid var(--gold-soft);
  border-radius: var(--r-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-card);
}

.recovery-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.recovery-code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 19px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--gold-bg);
  border: 1px dashed var(--gold-soft);
  border-radius: var(--r-sm);
  padding: 10px 16px;
  word-break: break-all;
  text-align: center;
}

.recovery-code.small {
  font-size: 13.5px;
  letter-spacing: 0.04em;
}

.handle-preview {
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  margin: 6px 0 0;
  word-break: break-all;
}

/* ============ 登录页 ============ */

.login-page {
  max-width: 380px;
  margin: 0 auto;
  padding: 90px 20px 40px;
  text-align: center;
}

.login-card {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  padding: 30px 26px 26px;
  position: relative;
  text-align: left;
  margin-top: 30px;
}

.login-card h3 {
  font-family: var(--serif);
  letter-spacing: 0.08em;
}

.login-card label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin: 18px 0 7px;
}

.login-card input {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  background: var(--paper);
  padding: 11px 13px;
  font-family: inherit;
  font-size: 14px;
}

.login-card input:focus {
  outline: none;
  border-color: var(--gold-soft);
  box-shadow: 0 0 0 3px rgba(171, 141, 92, 0.12);
}

/* ============ 弹窗 / Toast ============ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(43, 36, 47, 0.45);
  z-index: 80;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}

@media (min-width: 640px) {
  .modal-backdrop {
    align-items: center;
    padding: 24px;
  }
}

.modal {
  background: var(--paper);
  width: 100%;
  max-width: 460px;
  max-height: 86vh;
  overflow-y: auto;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  padding: 24px 22px calc(22px + env(safe-area-inset-bottom));
  box-shadow: var(--shadow-pop);
}

@media (min-width: 640px) {
  .modal {
    border-radius: var(--r-lg);
    padding-bottom: 22px;
  }
}

.modal h3 {
  font-family: var(--serif);
  letter-spacing: 0.05em;
  margin: 0 0 8px;
  font-size: 17px;
}

.modal .modal-sub {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0 0 14px;
}

.modal textarea {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  background: var(--paper);
  padding: 10px 13px;
  font-family: inherit;
  font-size: 14px;
  min-height: 88px;
  resize: vertical;
}

.modal textarea:focus {
  outline: none;
  border-color: var(--gold-soft);
}

.modal-warn {
  background: var(--mist-rose);
  color: var(--rose);
  font-size: 13px;
  border-radius: var(--r-sm);
  padding: 10px 13px;
  margin: 0 0 12px;
}

.modal-quote {
  background: var(--bg);
  border-left: 2px solid var(--gold-soft);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 10px 14px;
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--ink-soft);
  margin: 0 0 12px;
  max-height: 170px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.modal-actions .btn {
  padding: 10px 22px;
  font-size: 13px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(30px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--ink);
  color: #f5f1ea;
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 11px 22px;
  border-radius: 999px;
  z-index: 90;
  box-shadow: var(--shadow-pop);
  max-width: calc(100vw - 40px);
  text-align: center;
  animation: toast-in 0.25s ease both;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ============ 后台工作台 ============ */

body.admin-mode {
  background: #f2efe8;
}

.admin-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 11px 18px;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 40;
}

.admin-topbar .qaq-logo { font-size: 17px; }

.admin-topbar .admin-title {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  border-left: 1px solid var(--hairline);
  padding-left: 14px;
}

.admin-topbar .spacer { flex: 1; }

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 4px 12px;
}

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

.stat-chip.alert {
  background: var(--mist-rose);
  border-color: #e4ccd1;
  color: var(--rose);
}

.stat-chip.alert strong { color: var(--rose); }

.admin-cols {
  flex: 1;
  display: grid;
  grid-template-columns: 216px minmax(340px, 1fr) minmax(380px, 460px);
  gap: 0;
  align-items: stretch;
  min-height: 0;
}

.admin-side {
  border-right: 1px solid var(--hairline);
  background: var(--paper);
  padding: 16px 14px 30px;
  overflow-y: auto;
}

.filter-group { margin-bottom: 18px; }

.filter-group h4 {
  margin: 0 0 8px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.filter-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.filter-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: none;
  background: none;
  text-align: left;
  font-size: 13px;
  color: var(--ink-soft);
  padding: 6px 10px;
  border-radius: 7px;
  cursor: pointer;
}

.filter-item:hover { background: var(--bg); color: var(--ink); }

.filter-item.active {
  background: var(--plum-soft);
  color: var(--plum-deep);
  font-weight: 600;
}

.filter-item .count {
  font-size: 11.5px;
  color: var(--ink-faint);
}

.filter-item.active .count { color: var(--plum); }

.admin-search {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 8px 11px;
  font-family: inherit;
  font-size: 13px;
  background: var(--paper);
}

.admin-search:focus {
  outline: none;
  border-color: var(--gold-soft);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-chip {
  border: 1px solid var(--hairline);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: 999px;
  cursor: pointer;
}

.tag-chip.active {
  background: var(--plum-soft);
  border-color: var(--plum-line);
  color: var(--plum-deep);
}

.admin-list-col {
  overflow-y: auto;
  min-width: 0;
  padding: 14px 16px 40px;
}

.report-drawer {
  border: 1px solid #e4ccd1;
  background: #faf1f2;
  border-radius: var(--r-md);
  margin-bottom: 14px;
  overflow: hidden;
}

.report-drawer summary {
  cursor: pointer;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--rose);
  user-select: none;
  list-style: none;
}

.report-drawer summary::-webkit-details-marker { display: none; }

.report-item {
  border-top: 1px solid #efdce0;
  padding: 10px 14px;
  font-size: 13px;
}

.report-item .report-reason {
  font-weight: 600;
  margin: 0 0 3px;
  color: var(--ink);
}

.report-item .report-target {
  color: var(--ink-soft);
  margin: 0 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.report-item .report-actions {
  display: flex;
  gap: 8px;
}

.report-item .report-actions button {
  font-size: 12px;
  padding: 5px 12px;
}

.feed-row {
  width: 100%;
  text-align: left;
  border: 1px solid var(--hairline);
  background: var(--paper);
  border-radius: var(--r-md);
  padding: 11px 14px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  display: block;
  font: inherit;
  color: inherit;
}

.feed-row:hover {
  border-color: var(--gold-soft);
  box-shadow: 0 4px 14px rgba(50, 43, 54, 0.07);
}

.feed-row.active {
  border-color: var(--plum);
  box-shadow: 0 0 0 1px var(--plum);
}

.feed-row-top {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 5px;
}

.feed-body {
  margin: 0 0 6px;
  font-size: 13.5px;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.feed-row-foot {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--ink-faint);
}

/* 徽章 */
.pill {
  display: inline-flex;
  align-items: center;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-soft);
  border: 1px solid var(--hairline);
}

.pill.kind-wall { background: var(--plum-soft); color: var(--plum-deep); border-color: var(--plum-line); }
.pill.kind-qa { background: var(--gold-bg); color: var(--gold); border-color: var(--gold-line); }
.pill.kind-inbox { background: var(--mist-green); color: var(--mist-green-ink); border-color: #d8e2d2; }

.pill.st-pending { background: var(--mist-amber); color: var(--mist-amber-ink); border-color: #e9dcc0; }
.pill.st-approved { background: var(--mist-green); color: var(--mist-green-ink); border-color: #d8e2d2; }
.pill.st-hidden { background: var(--paper-deep); color: var(--ink-soft); }
.pill.st-rejected { background: var(--mist-rose); color: var(--rose); border-color: #e4ccd1; }
.pill.st-deleted { background: var(--paper-deep); color: var(--ink-faint); text-decoration: line-through; }
.pill.st-received { background: var(--mist-amber); color: var(--mist-amber-ink); border-color: #e9dcc0; }
.pill.st-triaged { background: var(--plum-soft); color: var(--plum-deep); border-color: var(--plum-line); }
.pill.st-archived { background: var(--paper-deep); color: var(--ink-soft); }

.pill.risk { background: var(--rose); color: #fff; border-color: var(--rose); }
.pill.featured { background: var(--gold-bg); color: var(--gold); border-color: var(--gold-line); }
.pill.has-pic { background: var(--bg); color: var(--ink-soft); }

/* 右栏详情 */
.admin-detail-col {
  border-left: 1px solid var(--hairline);
  background: var(--paper);
  overflow-y: auto;
  padding: 18px 20px 50px;
}

.detail-empty {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-size: 13px;
  gap: 10px;
  min-height: 300px;
}

.detail-empty .face {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.4em;
  font-weight: 600;
  color: var(--gold-soft);
}

.detail-head {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.detail-close { display: none; }

.detail-section { margin-bottom: 18px; }

.detail-section h4 {
  margin: 0 0 7px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.detail-text {
  background: var(--bg);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.85;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.detail-text.public-version {
  background: var(--mist-green);
}

.admin-pic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.admin-pic {
  position: relative;
  cursor: zoom-in;
  border: none;
  background: none;
  padding: 0;
}

.admin-pic img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--hairline);
}

.admin-pic .pic-status {
  position: absolute;
  left: 5px;
  bottom: 5px;
  font-size: 9.5px;
  font-weight: 600;
  background: rgba(43, 36, 47, 0.8);
  color: #f5f1ea;
  border-radius: 5px;
  padding: 1px 7px;
}

.meta-table {
  font-size: 12.5px;
  color: var(--ink-soft);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
}

.meta-table dt { font-weight: 600; color: var(--ink-faint); margin: 0; }
.meta-table dd { margin: 0; word-break: break-all; }

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.action-bar .btn,
.action-bar .btn-ghost,
.action-bar .btn-danger {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 8px 16px;
}

.meta-form textarea,
.meta-form input {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  background: var(--paper);
  padding: 8px 11px;
  font-family: inherit;
  font-size: 13px;
  margin-bottom: 8px;
}

.meta-form textarea { min-height: 64px; resize: vertical; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: rgba(34, 29, 38, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 30px;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--r-sm);
}

/* 信箱管理弹窗 */
.inbox-admin-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 50vh;
  overflow-y: auto;
}

.inbox-admin-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 10px 14px;
}

.inbox-admin-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 12.5px;
  color: var(--ink-soft);
  min-width: 0;
}

.inbox-admin-info strong {
  color: var(--ink);
  font-size: 13.5px;
}

.inbox-admin-info .pill { align-self: flex-start; }

/* ============ 后台响应式 ============ */

@media (max-width: 1023px) {
  .admin-cols {
    grid-template-columns: 1fr;
  }

  .admin-side {
    border-right: none;
    border-bottom: 1px solid var(--hairline);
    padding: 12px 16px;
  }

  .admin-side .filter-list { flex-direction: row; flex-wrap: wrap; gap: 6px; }

  .filter-item {
    border: 1px solid var(--hairline);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 12px;
  }

  .filter-item.active { border-color: var(--plum-line); }

  .filter-group { margin-bottom: 12px; }

  .admin-detail-col {
    position: fixed;
    inset: 0;
    z-index: 60;
    border-left: none;
    padding-top: 14px;
  }

  .detail-close {
    display: inline-flex;
    margin-bottom: 10px;
  }

  .admin-topbar { flex-wrap: wrap; gap: 8px 12px; padding: 10px 14px; }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .admin-cols {
    grid-template-columns: 200px minmax(300px, 1fr) minmax(330px, 400px);
  }
}

/* ============ 停用的历史入口 ============ */

.retired-page {
  text-align: center;
  padding: 100px 20px;
  color: var(--ink-soft);
}

.retired-page .face {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.4em;
  color: var(--gold-soft);
  font-weight: 600;
  margin-bottom: 16px;
}

.retired-page h1 {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin: 0 0 8px;
}

.retired-page p { font-size: 13px; margin: 0 0 24px; }