/* ============================================================
   华夏百家姓 · 姓氏溯源
   古籍线装美学设计系统
   固定竖屏 APP 壳（非自适应）：桌面预览居中手机竖屏，手机全屏
   ============================================================ */

:root {
  /* 宣纸色阶 */
  --paper: #efe6d1;        /* 陈年宣纸底 */
  --paper-deep: #e6d9bd;   /* 翻页背面 / 深一档 */
  --paper-dark: #d9c9a6;   /* 版框内侧阴影 */
  --frame: #b39a6a;        /* 版框墨金 */
  --frame-line: #cdba8d;   /* 细栏线 */
  --line: #d8c8a4;         /* 分隔线 */
  --ink: #34291d;          /* 正文墨 */
  --ink-2: #5a4a36;        /* 次级墨 */
  --ink-3: #8a7555;        /* 弱化墨 */
  --cinnabar: #a52e24;     /* 朱砂 */
  --cinnabar-deep: #8c241c;
  --gold: #ad8b45;         /* 暗金/印泥描金 */

  /* 布局常量 */
  --topbar-h: 52px;
  --tabbar-h: 60px;
  --radius: 2px;

  /* 字体 */
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --kai: "Kaiti SC", "STKaiti", "KaiTi", "Noto Serif SC", serif;
  --zhao: "Ma Shan Zheng", "Kaiti SC", "STKaiti", "KaiTi", serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #1c1610;         /* 桌面底衬：深色"书案"，衬托手机壳 */
  font-family: var(--serif);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ============ 固定竖屏 APP 壳 ============
   手机：占满全屏
   桌面（预览）：居中显示固定竖屏手机框
   整壳内所有子元（封面/导航/内容）相对本壳定位，宽度天然一致 */
.app-shell {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  max-width: 460px;             /* 固定竖屏宽度，非自适应拉满 */
  background: var(--paper);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 0 80px rgba(0,0,0,.55), 0 0 4px rgba(0,0,0,.4);
}

/* ---------- 顶栏（题签） ---------- */
.topbar {
  flex: 0 0 var(--topbar-h);
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(180deg, #f2e8d2, #e8dcc0);
  border-bottom: 1px solid var(--frame-line);
  z-index: 30;
}
.topbar .seal {
  position: absolute;
  left: 12px;
  width: 26px; height: 26px;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--kai); font-size: 13px; letter-spacing: 1px;
  background: rgba(165,46,36,.05);
}
.topbar .title {
  font-family: var(--kai);
  font-size: 19px;
  letter-spacing: 8px;
  color: var(--ink);
}
.topbar .title b { font-weight: 600; color: var(--cinnabar); }

/* ---------- 内容区（唯一滚动区） ---------- */
.app-body {
  flex: 1 1 0;
  min-height: 0;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  background: var(--paper);
  scrollbar-width: none;             /* 隐藏滚动条，保持纯洁 */
}
.app-body::-webkit-scrollbar { width: 0; height: 0; }

.page {
  min-height: 100%;
  position: relative;
  padding: 16px 16px 28px;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(184,158,106,.10), transparent 60%),
    var(--paper);
}

/* ---------- 底部五 Tab ---------- */
.tabbar {
  flex: 0 0 var(--tabbar-h);
  height: var(--tabbar-h);
  display: flex;
  align-items: stretch;
  position: relative;
  z-index: 30;
  background: linear-gradient(180deg, #e8dcc0, #ddcdaa);
  border-top: 1px solid var(--line);
}
.tabbar .tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--ink-3);
  font-size: 11px;
  letter-spacing: 1px;
  cursor: pointer;
  position: relative;
  border: none;
  background: transparent;
  font-family: var(--serif);
  transition: color .2s;
}
.tabbar .tab .ic {
  font-size: 20px;
  line-height: 1;
  filter: drop-shadow(0 1px 0 rgba(255,255,255,.4));
}
.tabbar .tab.active {
  color: var(--cinnabar);
}
.tabbar .tab.active::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 3px;
  background: var(--cinnabar);
  border-radius: 0 0 3px 3px;
}
.tabbar .tab:not(.active) { opacity: .82; }

/* ============================================================
   通用古籍元素
   ============================================================ */

/* 版框面板 */
.panel {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--frame);
  box-shadow: inset 0 0 0 3px var(--paper), inset 0 0 0 4px var(--frame-line);
  padding: 16px;
  margin-bottom: 16px;
}
.panel::after {   /* 内层虚框 */
  content: "";
  position: absolute; inset: 4px;
  border: 1px solid rgba(179,154,106,.28);
  pointer-events: none;
}

/* 章回标题 */
.zhang {
  text-align: center;
  font-family: var(--kai);
  font-size: 17px;
  letter-spacing: 6px;
  color: var(--ink);
  padding: 4px 0 12px;
  position: relative;
}
.zhang::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 4px;
  transform: translateX(-50%);
  width: 40px; height: 1px;
  background: var(--frame);
}
.zhang small {
  display: block;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--ink-3);
  margin-top: 6px;
  font-family: var(--serif);
}

/* 朱印 */
.seal-stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--kai);
  color: var(--cinnabar);
  border: 1.5px solid var(--cinnabar);
  padding: 2px 4px;
  background: rgba(165,46,36,.06);
  letter-spacing: 1px;
  transform: rotate(-2deg);
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 2px;
  border: 1px solid var(--frame);
  background: linear-gradient(180deg, #f3ead6, #e7d9ba);
  color: var(--ink);
  cursor: pointer;
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(0,0,0,.12);
  transition: all .15s;
}
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn.primary {
  background: linear-gradient(180deg, #b23a2f, #8c241c);
  border-color: #7a2018;
  color: #f7ecd8;
}
.btn.block { width: 100%; }
.btn.sm { padding: 5px 12px; font-size: 12px; letter-spacing: 1px; }
.btn.ghost { background: transparent; box-shadow: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 标签胶囊 */
.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--cinnabar);
  border: 1px solid rgba(165,46,36,.45);
  background: rgba(165,46,36,.05);
  border-radius: 20px;
}
.tag.plain { color: var(--ink-2); border-color: var(--frame); background: transparent; }

/* 回退按钮（子页顶部） */
.back-row {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}
.back-row .back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--ink-2);
  font-size: 13px;
  cursor: pointer;
  background: none; border: none;
  padding: 4px 6px;
  font-family: var(--serif);
  letter-spacing: 1px;
}

/* 骨架加载 */
.loading { text-align: center; color: var(--ink-3); padding: 40px 20px; letter-spacing: 2px; }
.error-box { text-align: center; color: var(--cinnabar); padding: 40px 20px; letter-spacing: 1px; }

/* ============================================================
   首页：古书封面（默认）
   ============================================================ */
.cover {
  position: fixed;
  top: var(--topbar-h);
  bottom: var(--tabbar-h);
  left: 50%;
  transform: translateX(-50%);
  width: min(460px, 100vw);
  z-index: 120;
  background: var(--paper);
  perspective: 1400px;
  overflow: hidden;
}
.cover-inner {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  transform-style: preserve-3d;
  transition: transform 1.1s cubic-bezier(.3,.7,.3,1);
}
.cover.opened .cover-inner { transform: rotateY(-150deg); transform-origin: left center; }
.cover-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
}
.cover-front {
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  background:
    radial-gradient(160% 90% at 50% 0%, rgba(190,164,112,.18), transparent 55%),
    var(--paper);
}
.cover-back {
  z-index: 1;
  transform: rotateY(-180deg);
  background: var(--paper-deep);
  display: flex; align-items: center; justify-content: center;
}
.cover-back .mock-line { width: 60%; height: 1px; background: var(--frame-line); }

/* 线装缝线（左侧书脊） */
.cover-inner::before {
  content: "";
  position: absolute;
  left: 10px; top: 6%; bottom: 6%;
  width: 2px;
  background: repeating-linear-gradient(
    180deg, var(--ink-3) 0 3px, transparent 3px 6px);
  opacity: .45;
  z-index: 5;
}
/* 书页切口 */
.cover-front::after {
  content: "";
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 10px;
  background: repeating-linear-gradient(
    90deg, transparent 0 2px, rgba(140,110,60,.15) 2px 3px);
}

.cover.cover-front { border-right: 1px solid var(--frame-line); }

.cover-front { padding: 12% 16% 10%; text-align: center; }
.cover-title-v {
  writing-mode: vertical-rl;
  font-family: var(--zhao);
  font-size: 66px;
  font-weight: 700;
  letter-spacing: 14px;
  color: var(--ink);
  margin: 8px 0;
  text-shadow: 1px 1px 0 rgba(255,255,255,.5);
}
.cover-title-h {
  font-family: var(--kai);
  font-size: 21px;
  letter-spacing: 8px;
  color: var(--ink-2);
  margin-top: 8px;
}
.cover-author {
  position: absolute;
  right: 20px; bottom: 20px;
  font-family: var(--kai);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--ink-2);
  display: flex; align-items: center; gap: 6px;
}
.cover-stamp {
  width: 34px; height: 34px;
  border: 1.5px solid var(--cinnabar);
  color: var(--cinnabar);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; line-height: 1.1;
  background: rgba(165,46,36,.06);
  transform: rotate(-4deg);
}
.cover-seal-top {
  position: absolute;
  right: 16px; top: 16px;
  width: 30px; height: 30px;
  border: 1.5px solid var(--cinnabar);
  color: var(--cinnabar);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--kai); font-size: 10px;
  transform: rotate(3deg);
  background: rgba(165,46,36,.05);
}
.cover-ornament-top, .cover-ornament-bottom {
  color: var(--frame);
  font-size: 14px;
  letter-spacing: 8px;
}
.cover-ornament-top { margin-top: 10px; }

/* ============================================================
   首页内容
   ============================================================ */
.home-hero {
  text-align: center;
  padding: 4px 0 14px;
}
.home-hero h1 { font-family: var(--kai); font-size: 24px; letter-spacing: 10px; margin: 0; color: var(--ink); }
.home-hero h1 b { color: var(--cinnabar); font-weight: 600; }
.home-hero p { margin: 8px 0 0; font-size: 12px; letter-spacing: 3px; color: var(--ink-3); }

.search-box {
  display: flex;
  gap: 8px;
  margin: 6px 0 16px;
}
.search-box input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--frame);
  background: #f7efdc;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink);
  outline: none;
}
.search-box input::placeholder { color: var(--ink-3); letter-spacing: 1px; }

/* 首页宫格（百家姓排行） */
.home-grid-title, .sec-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 14px 2px 10px;
}
.home-grid-title .t, .sec-title .t {
  font-family: var(--kai);
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--ink);
}
.home-grid-title .t::before, .sec-title .t::before {
  content: "❖";
  color: var(--cinnabar);
  margin-right: 8px;
  font-size: 11px;
}
.home-grid-title .more, .sec-title .more {
  font-size: 11px; color: var(--ink-3);
  cursor: pointer; letter-spacing: 1px;
  background: none; border: none; font-family: var(--serif);
}
.sec-title .s { font-size: 11px; color: var(--ink-3); letter-spacing: 1px; }
.home-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.home-grid .cell {
  text-align: center;
  padding: 12px 4px;
  background: linear-gradient(180deg, #f3ead6, #eadded);
  border: 1px solid var(--frame-line);
  box-shadow: inset 0 0 0 2px var(--paper), inset 0 0 0 3px #ece0c2;
  cursor: pointer;
  transition: all .15s;
}
.home-grid .cell:active { transform: scale(.95); background: #e6d9bb; }
.home-grid .cell .ch {
  font-family: var(--zhao);
  font-size: 26px;
  color: var(--ink);
  line-height: 1.1;
}
.home-grid .cell .tagline {
  margin-top: 4px;
  font-size: 10px;
  color: var(--cinnabar);
  letter-spacing: 1px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.home-grid .cell.rare .ch { color: var(--cinnabar); }

/* 热门姓氏（通行卡） */
.hot-list { display: flex; flex-direction: column; gap: 10px; }
.hot-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px;
  background: linear-gradient(180deg, #f3ead6, #ece0c2);
  border: 1px solid var(--frame-line);
  box-shadow: inset 0 0 0 2px var(--paper), inset 0 0 0 3px #f0e5c9;
  cursor: pointer;
}
.hot-item:active { background: #e4d6b4; }
.hot-item .rank {
  font-family: var(--kai);
  font-size: 22px; font-weight: 700;
  color: var(--cinnabar);
  width: 34px; text-align: center;
}
.hot-item .rank.gold { color: var(--gold); }
.hot-item .body { flex: 1; }
.hot-item .nm { font-size: 18px; color: var(--ink); letter-spacing: 2px; }
.hot-item .desc {
  font-size: 11px; color: var(--ink-3); margin-top: 3px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.hot-item .arrow { color: var(--frame); font-size: 16px; }

/* 分区（特色模块） */
.feats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.feat {
  padding: 16px 10px;
  text-align: center;
  background: linear-gradient(180deg, #f3ead6, #e6d9bb);
  border: 1px solid var(--frame-line);
  cursor: pointer;
}
.feat .ic { font-size: 28px; }
.feat .nm { margin-top: 8px; font-family: var(--kai); font-size: 15px; letter-spacing: 4px; color: var(--ink); }
.feat .ds { margin-top: 3px; font-size: 10px; color: var(--ink-3); letter-spacing: 1px; }

/* ============================================================
   百家姓 / 全部姓氏
   ============================================================ */
.surname-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px 8px; }
.surname-list .item {
  text-align: center;
  padding: 10px 2px;
  background: linear-gradient(180deg, #f3ead6, #ece0c2);
  border: 1px solid var(--frame-line);
  cursor: pointer;
}
.surname-list .item .ch { font-family: var(--zhao); font-size: 24px; color: var(--ink); }
.surname-list .item .sc { font-size: 10px; color: var(--ink-3); margin-top: 3px; letter-spacing: 1px; }
.rare-switch {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border: 1px solid var(--frame-line);
  background: #f0e5c9;
  margin-bottom: 14px;
}
.rare-switch .lbl { font-size: 13px; letter-spacing: 2px; color: var(--ink-2); }
.switch { position: relative; width: 46px; height: 24px; cursor: pointer; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; inset: 0;
  background: #d6c69f;
  border: 1px solid var(--frame);
  transition: .2s;
}
.switch .slider::before {
  content: ""; position: absolute; left: 2px; top: 2px;
  width: 18px; height: 18px;
  background: #f7efdc;
  transition: .2s;
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.switch input:checked + .slider { background: var(--cinnabar); }
.switch input:checked + .slider::before { transform: translateX(22px); }

/* ============================================================
   姓氏详情
   ============================================================ */
.detail-hero {
  text-align: center;
  padding: 10px 0 16px;
  position: relative;
}
.detail-hero .big-ch {
  font-family: var(--zhao);
  font-size: 74px;
  color: var(--ink);
  line-height: 1;
  text-shadow: 1px 1px 0 rgba(255,255,255,.5);
}
.detail-hero .big-ch .seal-adj {
  position: absolute;
  margin: 6px 0 0 6px;
  width: 30px; height: 30px;
  border: 1.5px solid var(--cinnabar);
  color: var(--cinnabar); font-size: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  transform: rotate(4deg);
}
.detail-hero .phonetic { font-size: 14px; color: var(--ink-2); letter-spacing: 4px; margin-top: 6px; }
.detail-hero .tags { margin-top: 10px; display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.stat-row { display: flex; justify-content: space-around; padding: 12px 0; border-top: 1px dashed var(--line); margin-top: 12px; }
.stat-row .st { text-align: center; }
.stat-row .st .n { font-family: var(--kai); font-size: 20px; color: var(--ink); }
.stat-row .st .l { font-size: 10px; color: var(--ink-3); letter-spacing: 2px; margin-top: 2px; }

/* 竖排简介 */
.vtext {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 2;
  letter-spacing: 2px;
  color: var(--ink);
  height: 220px;
  overflow-wrap: anywhere;
  max-height: 240px;
  margin: 0 auto;
}
/* 详情条目 */
.detail-item {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  display: flex;
  gap: 12px;
}
.detail-item .k {
  flex: 0 0 64px;
  font-family: var(--kai);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--cinnabar);
}
.detail-item .v { flex: 1; font-size: 13px; line-height: 1.9; color: var(--ink-2); }

/* 行动条 */
.action-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }

/* ============================================================
   线装书阅读
   ============================================================ */
.book-wrap {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.book-stage {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  perspective: 1600px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.book {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4.1;
  max-height: 100%;
  transform-style: preserve-3d;
}
.book-page {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 1s cubic-bezier(.4,.2,.2,1);
}
.book-page.flipping { transition-duration: 1s; }
.book-page.flip-left { transform: rotateY(0deg); }
.book-page.flip-right { transform: rotateY(0deg); }
.book-page.current { z-index: 5; }
.book-page.prev { z-index: 4; transform: rotateY(-178deg); }
.book-page.animated { pointer-events: none; }

.book-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 34px 16px 30px;
  background: var(--paper);
}
.book-face.front { z-index: 2; border-right: 1px solid var(--frame-line); }
.book-face.back {
  z-index: 1;
  transform: rotateY(180deg);
  background: var(--paper-deep);
}

/* 版框 */
.book-frame {
  position: absolute;
  inset: 6px;
  border: 1px solid var(--frame);
  box-shadow: inset 0 0 0 1px var(--paper), inset 0 0 0 2px var(--frame-line);
  pointer-events: none;
}
.book-frame::before {   /* 顶部鱼尾 */
  content: "❖";
  position: absolute;
  top: -8px; left: 50%;
  transform: translateX(-50%);
  color: var(--frame); font-size: 12px;
  background: var(--paper);
  padding: 0 6px;
}
.book-face.back .book-frame::before { background: var(--paper-deep); }

/* 书页内容：双栏竖排 */
.book-cols {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  width: 100%;
  padding: 8px 6px;
}
.book-col {
  position: relative;
  min-height: 0;
  overflow: hidden;
  padding: 10px 12px;
}
.book-col:first-child { border-right: 1px solid var(--frame-line); }
.book-col .content {
  writing-mode: vertical-rl;
  height: 100%;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 2px;
  color: var(--ink);
  text-align: left;
  overflow: hidden;
}

/* 单页版式（扉页 / 单栏标题页） */
.book-single {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 10px;
}

/* 页码 */
.book-pagenum {
  position: absolute;
  bottom: 8px; left: 0; right: 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--ink-3);
  font-family: var(--kai);
}
.book-pagenum::before, .book-pagenum::after {
  content: "◆";
  font-size: 7px;
  vertical-align: middle;
  margin: 0 6px;
  color: var(--frame);
}

/* 书名页（扉页） */
.book-titlepage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
}
.book-titlepage .t-v {
  writing-mode: vertical-rl;
  font-family: var(--zhao);
  font-size: 44px;
  letter-spacing: 12px;
  color: var(--ink);
}
.book-titlepage .t-h { font-family: var(--kai); font-size: 16px; letter-spacing: 6px; color: var(--ink-2); }

/* 底部书页进度 */
.book-progress {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--ink-3);
  font-size: 12px;
  letter-spacing: 2px;
  font-family: var(--kai);
}
.book-progress .pg { color: var(--cinnabar); font-size: 16px; }
.book-progress button {
  background: none; border: none;
  font-size: 18px; color: var(--frame);
  cursor: pointer; line-height: 1;
}

/* ============================================================
   AI 溯源
   ============================================================ */
.ai-form .f-label {
  font-family: var(--kai);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--ink-2);
  display: block;
  margin: 12px 0 6px;
}
.ai-form input, .ai-form select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--frame);
  background: #f7efdc;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink);
  outline: none;
}
.ai-result {
  margin-top: 16px;
  text-align: center;
}
.ai-verdict {
  font-family: var(--kai);
  font-size: 16px;
  letter-spacing: 4px;
  margin: 12px 0;
}
.ai-verdict.discard { color: var(--ink-3); }
.ai-verdict.warn { color: var(--gold); }
.ai-verdict.ticket { color: var(--cinnabar); }
.ai-confidence {
  font-size: 13px; color: var(--ink-2);
  margin: 12px 0;
}
.bar { height: 8px; background: #d6c69f; border: 1px solid var(--frame); position: relative; overflow: hidden; }
.bar > span { position: absolute; left: 0; top: 0; bottom: 0; background: var(--cinnabar); }
.conf-val { font-family: var(--kai); font-size: 20px; color: var(--cinnabar); font-weight: 700; }
.ai-features { margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

/* 警示/工单说明 */
.ai-note {
  margin-top: 14px;
  padding: 10px 14px;
  border-left: 3px solid var(--cinnabar);
  background: #f0e5c9;
  font-size: 12px; line-height: 1.9; color: var(--ink-2);
  text-align: left;
}

/* ============================================================
   会员中心
   ============================================================ */
.qh { writing-mode: initial !important; }
.member-card {
  text-align: center;
  padding: 24px 16px;
  background:
    radial-gradient(150% 100% at 50% 0%, rgba(173,139,69,.18), transparent 55%),
    linear-gradient(180deg, #f3ead6, #e6d9bb);
  border: 1px solid var(--frame);
  position: relative;
}
.member-card .level-label { font-size: 12px; letter-spacing: 4px; color: var(--ink-2); }
.member-card .level-name {
  font-family: var(--zhao);
  font-size: 40px;
  color: var(--ink);
  margin: 8px 0;
}
.member-card .level-name.gold { color: var(--gold); }
.member-card .level-name.lord { color: var(--cinnabar); }
.member-card .quota-box {
  display: flex; justify-content: center; gap: 24px;
  margin-top: 14px;
}
.member-card .quota-box .qd { text-align: center; }
.member-card .quota-box .n { font-family: var(--kai); font-size: 20px; color: var(--cinnabar); }
.member-card .quota-box .l { font-size: 10px; color: var(--ink-3); letter-spacing: 2px; margin-top: 2px; }
.member-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }

.plan-list { display: flex; flex-direction: column; gap: 12px; }
.plan-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px;
  border: 1px solid var(--frame-line);
  background: linear-gradient(180deg, #f3ead6, #ece0c2);
}
.plan-item .pd { flex: 1; }
.plan-item .pd .pn { font-family: var(--kai); font-size: 16px; letter-spacing: 2px; color: var(--ink); }
.plan-item .pd .pp { font-size: 12px; color: var(--cinnabar); margin-top: 3px; }
.plan-item .pd .dd { font-size: 11px; color: var(--ink-3); margin-top: 4px; line-height: 1.8; }

/* ---------- 家谱工坊：资料 → 绑定姓氏 → 建谱 ---------- */
.genea-card {
  border: 1px solid var(--frame-line);
  background: linear-gradient(180deg, #f3ead6, #ece0c2);
  padding: 16px 14px;
}
.genea-card .genea-tip {
  font-size: 12px; line-height: 1.9; color: var(--ink-2);
  padding-bottom: 12px; border-bottom: 1px dashed var(--frame-line);
  margin-bottom: 12px;
}
.genea-card .genea-tip b { color: var(--cinnabar); }
.genea-form { display: flex; flex-direction: column; gap: 10px; }
.genea-note {
  font-size: 11px; line-height: 1.8; color: var(--ink-3);
  padding: 8px 10px; background: rgba(168,132,60,.07);
  border-left: 2px solid var(--gold);
}
.genea-form .f-row span i { font-style: normal; font-size: 10px; color: var(--gold); margin-left: 4px; }
.b-line .est { font-size: 10px; color: var(--gold); font-weight: normal; }
.genea-form .f-row {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--ink-2); letter-spacing: 1px;
}
.genea-form .f-row span { flex: 0 0 72px; }
.genea-form .f-row span i { display: block; font-style: normal; font-size: 10px; color: var(--cinnabar); letter-spacing: 0; }
.genea-form .f-row input, .genea-form .f-row select {
  flex: 1; padding: 8px 10px;
  font-family: var(--kai); font-size: 14px; color: var(--ink);
  background: rgba(255,252,244,.75);
  border: 1px solid var(--frame-line); outline: none;
}
.genea-form .f-row input:focus, .genea-form .f-row select:focus { border-color: var(--gold); }
.genea-note b { color: var(--cinnabar); font-weight: normal; }

.bc-tang {
  font-size: 11px; color: var(--gold); margin: 3px 0 1px; letter-spacing: 1px;
}
.bc-tang em { font-style: normal; font-size: 10px; color: var(--ink-3); }
.bc-tang em.br { color: #7a6a4f; }

.genea-search { display: flex; gap: 8px; margin-bottom: 10px; }
.genea-search input {
  flex: 1; padding: 8px 10px;
  font-family: var(--kai); font-size: 13px; color: var(--ink);
  background: rgba(255,252,244,.75);
  border: 1px solid var(--frame-line); outline: none;
}
.genea-search input:focus { border-color: var(--gold); }

.gs-empty { font-size: 12px; color: var(--ink-3); text-align: center; padding: 18px 0; }
.gs-group {
  border: 1px solid var(--frame-line); background: rgba(255,252,244,.6);
  margin-bottom: 10px;
}
.gs-main { display: flex; align-items: baseline; gap: 8px; padding: 10px 12px 6px; }
.gs-tang {
  font-family: var(--kai); font-size: 16px; color: var(--cinnabar); letter-spacing: 2px;
}
.gs-tang.br { color: var(--gold); font-size: 14px; }
.gs-main small, .gs-branch small { font-size: 10px; color: var(--ink-3); letter-spacing: 1px; }
.gs-branch { padding: 6px 12px 8px 26px; border-top: 1px dashed var(--frame-line); }
.gs-branch > .gs-tang { margin-right: 8px; }
.gs-book {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 7px 10px; margin: 5px 0 5px 26px;
  background: #fffdf6; border: 1px solid var(--frame-line); cursor: pointer;
}
.gs-book b { font-size: 12px; color: var(--ink); font-weight: normal; }
.gs-book span { font-size: 10px; color: var(--ink-3); }
.gs-book:active { background: rgba(168,132,60,.1); }
.genea-form .f-row.key input { border-color: var(--cinnabar); box-shadow: 0 0 0 1px rgba(154,43,43,.12); }
.btn.full { width: 100%; margin-top: 4px; }
.bound-box { text-align: center; }
.bound-box .b-line {
  display: flex; justify-content: center; gap: 8px; flex-wrap: wrap;
  font-size: 12px; color: var(--ink-3); letter-spacing: 1px;
}
.bound-box .b-line b { color: var(--ink); font-weight: normal; }
.bound-box .b-line .b-l::after { content: "·"; margin-left: 8px; color: var(--frame-line); }
.bound-box .b-line .b-l:last-child::after { content: ""; }
.bound-box .b-surname {
  font-family: var(--zhao); font-size: 44px; color: var(--cinnabar);
  margin: 12px 0 6px; letter-spacing: 6px;
}
.bound-box .b-surname small { font-size: 14px; color: var(--ink-3); letter-spacing: 2px; margin-left: 4px; }
.bound-box .b-desc { font-size: 12px; color: var(--ink-2); line-height: 1.9; margin-bottom: 12px; }
.bound-box .b-desc b { color: var(--cinnabar); font-weight: normal; }
.book-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.book-card {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border: 1px solid var(--frame-line); padding: 12px;
  background:
    linear-gradient(90deg, rgba(154,43,43,.05), transparent 18%),
    rgba(255,252,244,.5);
}
.book-card .bc-name { font-family: var(--kai); font-size: 15px; letter-spacing: 2px; color: var(--ink); }
.book-card .bc-meta { font-size: 11px; color: var(--ink-3); margin-top: 4px; line-height: 1.7; }

/* ============================================================
   世系宝塔图
   ============================================================ */
.tree-wrap { overflow: auto; padding-bottom: 10px; }
.tree-gen {
  display: flex; flex-direction: column;
  border-left: 1px solid var(--frame);
  margin-left: 14px; padding-left: 14px;
}
.tree-node {
  position: relative;
  padding: 6px 0;
}
.tree-node.self { background: rgba(165,46,36,.08); border: 1px solid rgba(165,46,36,.3); padding: 8px; }
.tree-node .n-ch { font-family: var(--zhao); font-size: 20px; color: var(--ink); }
.tree-node .n-txt { font-size: 11px; color: var(--ink-3); margin-top: 2px; }
.tree-node .n-line {
  position: absolute; left: -14px; top: 50%; width: 14px; height: 1px;
  background: var(--frame);
}

/* ============================================================
   全部姓氏
   ============================================================ */
/* ============================================================
   会员：登录/注册 与 个人姓氏页
   ============================================================ */
.auth-card {
  background: rgba(255, 253, 247, .92);
  border: 1px solid rgba(90, 62, 27, .22);
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(74, 52, 24, .08);
  padding: 18px 16px 16px;
}
.auth-tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.auth-tabs .at {
  flex: 1; padding: 9px 0; font-family: var(--kai); font-size: 15px; letter-spacing: 6px; text-indent: 6px;
  background: transparent; border: 1px solid rgba(90, 62, 27, .25); border-radius: 999px; color: var(--ink-2);
}
.auth-tabs .at.on { background: var(--cinnabar); border-color: var(--cinnabar); color: #fff8ec; }
.my-head {
  position: relative;
  background: linear-gradient(160deg, rgba(255, 251, 240, .95), rgba(247, 238, 218, .9));
  border: 1px solid rgba(90, 62, 27, .22); border-radius: 14px;
  box-shadow: 0 6px 18px rgba(74, 52, 24, .08);
  padding: 18px 16px; margin-bottom: 4px;
}
.my-head .mh-nick { font-family: var(--kai); font-size: 20px; color: var(--ink); }
.my-head .mh-nick small { display: block; font-size: 11px; letter-spacing: 4px; color: var(--ink-3); margin-top: 4px; }
.my-head .mh-sub { font-size: 12px; color: var(--ink-2); line-height: 1.7; margin-top: 8px; }
.my-head .btn { position: absolute; top: 14px; right: 12px; }
.my-head.surname { display: flex; align-items: center; gap: 14px; }
.my-head.surname .mh-big {
  font-family: var(--kai); font-size: 44px; line-height: 1; color: var(--cinnabar);
  writing-mode: horizontal-tb; flex-shrink: 0;
}
.my-head.surname .mh-big small { font-size: 12px; color: var(--ink-3); margin-left: 2px; }
.my-head.surname .mh-info { flex: 1; min-width: 0; }
.my-head.surname .mh-info b { font-family: var(--kai); font-size: 17px; color: var(--ink); }
.my-head.surname .mh-info span { display: block; font-size: 12px; color: var(--ink-2); margin-top: 4px; }
.kin-card {
  background: rgba(255, 253, 247, .92);
  border: 1px solid rgba(90, 62, 27, .22); border-radius: 14px;
  box-shadow: 0 6px 18px rgba(74, 52, 24, .08);
  padding: 12px 14px; margin-bottom: 12px;
}
.kin-card .kin-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.kin-card .k-l { font-size: 11px; letter-spacing: 2px; color: var(--ink-3); }
.kin-card .k-tang { color: var(--cinnabar); }
.kin-card .kin-lian {
  font-family: var(--kai); font-size: 12px; color: var(--ink-2); letter-spacing: 1px;
  border-top: 1px dashed rgba(90, 62, 27, .2); margin-top: 8px; padding-top: 8px;
}
.kin-card .kin-anc {
  display: flex; align-items: baseline; gap: 8px;
  border-top: 1px dashed rgba(90, 62, 27, .2); margin-top: 8px; padding-top: 8px;
  text-decoration: none; color: inherit;
}
.kin-card .kin-anc b { font-family: var(--kai); font-size: 15px; color: var(--ink); }
.kin-card .kin-anc small { font-size: 11px; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============================================================
   密码：小眼睛 + 强弱条
   ============================================================ */
.genea-form .pwd-row { position: relative; }
.genea-form .pwd-row input { padding-right: 38px; }
.pwd-eye {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; padding: 0; border: none; background: transparent;
  color: var(--ink-3); cursor: pointer;
}
.pwd-eye.off { color: var(--gold); }
.pwd-meter { display: flex; align-items: center; gap: 4px; margin-top: 6px; padding-left: 82px; }
.pwd-meter i { width: 34px; height: 4px; border-radius: 2px; background: rgba(90, 62, 27, .15); transition: background .2s; }
.pwd-meter em { font-style: normal; font-size: 10px; color: var(--ink-3); letter-spacing: 1px; margin-left: 4px; }
.pwd-meter[data-lv="1"] i:nth-child(1) { background: #c0392b; }
.pwd-meter[data-lv="1"] em { color: #c0392b; }
.pwd-meter[data-lv="2"] i:nth-child(-n+2) { background: #d68910; }
.pwd-meter[data-lv="2"] em { color: #d68910; }
.pwd-meter[data-lv="3"] i { background: #1e8449; }
.pwd-meter[data-lv="3"] em { color: #1e8449; }