/* ============================================================
   妆造教学 · 样式系统 v2（含动画）
   ============================================================ */
:root {
  /* 主色 */
  --primary: #ec5f8a;
  --primary-2: #d43d74;
  --primary-deep: #b82f60;
  --primary-soft: #fde7ef;
  --primary-faint: #fdf3f7;
  --gold: #e6a65b;
  --gold-soft: #fdf3e2;

  /* 中性色 */
  --bg: #fdf7f9;
  --bg-grad-1: #fdf7f9;
  --bg-grad-2: #f7eef3;
  --card: #ffffff;
  --ink: #2a2233;
  --ink-soft: #7d7286;
  --ink-faint: #a99fb0;
  --line: #f0e4ea;
  --line-strong: #e6d5de;

  /* 语义色 */
  --ok: #3fa979;    --ok-bg: #e6f6ee;
  --warn: #e0923f;  --warn-bg: #fdf1e2;
  --danger: #d64b5b; --danger-bg: #fde8ea;
  --info: #5b8fd9;  --info-bg: #eaf1fb;

  /* 效果 */
  --shadow-sm: 0 2px 8px rgba(196, 74, 116, 0.06);
  --shadow-md: 0 10px 30px rgba(196, 74, 116, 0.10);
  --shadow-lg: 0 18px 50px rgba(196, 74, 116, 0.16);
  --ring: 0 0 0 4px rgba(236, 95, 138, 0.16);

  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 9px;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background:
    radial-gradient(1100px 500px at 8% -6%, rgba(236, 95, 138, 0.10), transparent 60%),
    radial-gradient(900px 460px at 100% 0%, rgba(230, 166, 91, 0.10), transparent 55%),
    linear-gradient(180deg, var(--bg-grad-1), var(--bg-grad-2));
  background-attachment: fixed;
  min-height: 100vh;
}
::selection { background: var(--primary); color: #fff; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #e7d5dd; border-radius: 8px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #d9c2cc; border: 3px solid transparent; background-clip: content-box; }

:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 8px; }

/* ============================================================
   布局
   ============================================================ */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 272px; flex-shrink: 0;
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 22px;
  padding: 28px 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(253,243,247,.94));
  backdrop-filter: blur(14px);
  border-right: 1px solid var(--line);
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 13px; padding: 2px 6px 4px; }
.brand-logo {
  width: 48px; height: 48px; flex: 0 0 auto;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff; font-size: 25px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(236, 95, 138, 0.38), inset 0 1px 0 rgba(255,255,255,.35);
  position: relative;
}
.brand-logo::after {
  content: ""; position: absolute; inset: 0; border-radius: 15px;
  background: linear-gradient(135deg, rgba(255,255,255,.35), transparent 55%);
}
.brand-text h1 { margin: 0; font-size: 19px; letter-spacing: 1.5px; font-weight: 800; }
.brand-text p { margin: 0; font-size: 11px; color: var(--ink-soft); letter-spacing: 3px; text-transform: uppercase; }

.nav { display: flex; flex-direction: column; gap: 6px; }
.nav-item {
  position: relative;
  display: flex; align-items: center; gap: 13px;
  padding: 13px 15px; border: none; border-radius: 13px;
  background: transparent; color: var(--ink-soft);
  font-size: 15px; font-weight: 600; cursor: pointer; text-align: left;
  transition: all .2s var(--ease);
  animation: slideInLeft .4s var(--ease) both;
}
.nav-item:nth-child(1) { animation-delay: 40ms; }
.nav-item:nth-child(2) { animation-delay: 100ms; }
.nav-item:nth-child(3) { animation-delay: 160ms; }
.nav-item:nth-child(4) { animation-delay: 220ms; }
.nav-item:nth-child(5) { animation-delay: 280ms; }
.nav-item:hover { background: var(--primary-soft); color: var(--primary-2); transform: translateX(3px); }
.nav-item.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; box-shadow: 0 8px 18px rgba(236, 95, 138, 0.32);
}
.nav-item.active::before {
  content: ""; position: absolute; left: -20px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 26px; border-radius: 0 4px 4px 0; background: var(--primary);
}
.nav-icon {
  width: 30px; height: 30px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9px; font-size: 17px; background: rgba(236, 95, 138, 0.10);
  transition: all .2s var(--ease);
}
.nav-item.active .nav-icon { background: rgba(255,255,255,.22); }
.nav-item:hover .nav-icon { background: rgba(236, 95, 138, 0.16); }

.sidebar-foot {
  margin-top: auto; font-size: 12px; line-height: 1.6; color: var(--ink-soft);
  background: linear-gradient(135deg, #fff, var(--primary-faint));
  border: 1px dashed var(--line-strong); border-radius: 14px; padding: 14px;
}
.sidebar-foot strong { color: var(--primary-2); }

.main { flex: 1; width: 100%; max-width: 1120px; margin: 0 auto; padding: 40px 44px 72px; }

.page-head { margin-bottom: 26px; }
.page-head h2 {
  margin: 0 0 8px; font-size: 30px; font-weight: 800; letter-spacing: .5px;
  display: inline-block; position: relative;
  animation: fadeUp .4s var(--ease) both;
}
.page-head h2::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 46px; height: 4px;
  border-radius: 3px; background: linear-gradient(90deg, var(--primary), var(--gold));
  animation: growX .5s var(--ease) .15s both;
}
.page-head .sub { margin: 6px 0 0; color: var(--ink-soft); font-size: 15px; animation: fadeUp .4s var(--ease) .08s both; }

.view { display: none; }
.view.active { display: block; animation: fadeUp .35s var(--ease); }

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px; margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s var(--ease), transform .25s var(--ease);
  animation: fadeUp .45s var(--ease) both;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-title { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 18px; }
.card-title h3 { margin: 0; font-size: 17px; font-weight: 700; letter-spacing: .3px; }

/* ============================================================
   输入与按钮
   ============================================================ */
.input {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font-size: 14px; font-family: var(--font); color: var(--ink);
  background: #fff; transition: border-color .18s, box-shadow .18s;
}
.input::placeholder { color: var(--ink-faint); }
.input:focus { border-color: var(--primary); box-shadow: var(--ring); outline: none; }
.search { max-width: 320px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border: none; border-radius: 30px;
  font-size: 14px; font-weight: 700; font-family: var(--font);
  cursor: pointer; transition: all .2s var(--ease);
}
.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; box-shadow: 0 8px 20px rgba(236, 95, 138, 0.32), inset 0 1px 0 rgba(255,255,255,.28);
}
.btn.primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(236, 95, 138, 0.42); }
.btn.primary:active:not(:disabled) { transform: translateY(0) scale(.98); }
.btn.primary:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: #fff; border: 1.5px solid var(--line); color: var(--ink-soft); }
.btn.ghost:hover:not(:disabled) { border-color: var(--primary); color: var(--primary-2); background: var(--primary-faint); transform: translateY(-1px); }
.btn.ghost:disabled { opacity: .45; cursor: not-allowed; }
.btn.danger {
  background: linear-gradient(135deg, #e05361, #c93b4c);
  color: #fff; box-shadow: 0 8px 20px rgba(201, 59, 76, .30);
}
.btn.danger:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(201, 59, 76, .40); }
.btn.danger:active:not(:disabled) { transform: translateY(0) scale(.98); }

/* ============================================================
   选妆
   ============================================================ */
.look-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(236px, 1fr)); gap: 16px; }
.look-card {
  position: relative;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff; cursor: pointer; overflow: hidden;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  animation: fadeUp .45s var(--ease) both;
}
.look-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.look-card.selected {
  border-color: var(--primary);
  background: linear-gradient(180deg, #fff, var(--primary-faint));
  box-shadow: 0 10px 26px rgba(236, 95, 138, 0.20);
}
/* 彩色横条 = 卡片头部：妆容名称 + 难度徽章 */
.look-band {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 16px; min-height: 64px;
}
.look-band h4 {
  margin: 0; flex: 1; min-width: 0;
  font-size: 18px; font-weight: 800; letter-spacing: .5px; line-height: 1.3;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .10);
}
.look-band .badge {
  flex: 0 0 auto;
  font-size: 11px; font-weight: 700; padding: 4px 11px; border-radius: 20px;
  color: #fff; letter-spacing: .5px;
  border: 1.5px solid rgba(255, 255, 255, .9);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .25);
}
.look-card .badge.diff-easy { background: linear-gradient(135deg, #4cb482, #2f9a67); }
.look-card .badge.diff-mid { background: linear-gradient(135deg, #edab4f, #e08a2d); }
.look-card .badge.diff-hard { background: linear-gradient(135deg, #e66a78, #d64554); }
.look-card .body { padding: 15px 17px 17px; }
.look-card .swatches { display: flex; gap: 6px; margin: 0 0 10px; }
.look-card .swatch {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid #fff; box-shadow: 0 0 0 1px var(--line), inset 0 2px 3px rgba(0,0,0,.12);
}
.look-card .tag { margin: 0; font-size: 12.5px; color: var(--ink-soft); line-height: 1.6; }
.look-card.selected .btn-preview { font-weight: 800; }

/* ============================================================
   教学流程
   ============================================================ */
.hidden { display: none !important; }
.teach-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.teach-head h3 { margin: 0 0 5px; font-size: 24px; font-weight: 800; }
.teach-head .sub { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* 妆容简介（点开妆容后显示） */
.look-intro { margin: 14px 0 0; }
.li-tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.li-en { font-size: 12.5px; color: var(--ink-faint); letter-spacing: .3px; }
.li-tags .badge {
  font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px;
  color: #fff; letter-spacing: .5px;
}
.look-intro .badge.diff-easy { background: linear-gradient(135deg, #4cb482, #2f9a67); }
.look-intro .badge.diff-mid { background: linear-gradient(135deg, #edab4f, #e08a2d); }
.look-intro .badge.diff-hard { background: linear-gradient(135deg, #e66a78, #d64554); }
.li-occasion { font-size: 12.5px; color: var(--ink-soft); }
.li-desc {
  margin: 0; padding: 12px 15px; font-size: 13.5px; line-height: 1.75; color: var(--ink-soft);
  background: linear-gradient(135deg, var(--primary-faint), #fff);
  border-left: 3px solid var(--primary); border-radius: var(--radius-xs);
}

.palette-row { display: flex; align-items: center; gap: 9px; margin: 16px 0 20px; flex-wrap: wrap; }
.palette-row > span { color: var(--ink-soft); font-size: 13px; font-weight: 600; margin-right: 2px; }
.palette-row .swatch {
  width: 28px; height: 28px; border-radius: 9px;
  border: 2px solid #fff; box-shadow: 0 0 0 1px var(--line), 0 3px 8px rgba(0,0,0,.08);
  transition: transform .18s var(--ease);
  animation: popIn .35s var(--ease) both;
}
.palette-row .swatch:nth-child(1) { animation-delay: .05s; }
.palette-row .swatch:nth-child(2) { animation-delay: .12s; }
.palette-row .swatch:nth-child(3) { animation-delay: .19s; }
.palette-row .swatch:nth-child(4) { animation-delay: .26s; }
.palette-row .swatch:nth-child(5) { animation-delay: .33s; }
.palette-row .swatch:hover { transform: scale(1.18) rotate(6deg); }

/* 阶段标签 */
.stage-tabs { display: flex; gap: 9px; overflow-x: auto; padding: 4px 2px 12px; margin-bottom: 20px; }
.stage-tabs::-webkit-scrollbar { height: 6px; }
.stage-tab {
  flex: 0 0 auto; position: relative;
  padding: 10px 17px; border: 1.5px solid var(--line); border-radius: 30px;
  background: #fff; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--ink-soft);
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
  transition: all .2s var(--ease);
  animation: fadeUp .4s var(--ease) both;
}
.stage-tab:hover { border-color: var(--primary); color: var(--primary-2); transform: translateY(-1px); }
.stage-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: transparent; color: #fff;
  box-shadow: 0 8px 18px rgba(236, 95, 138, 0.30);
}
.stage-tab.done { border-color: #cfe8db; color: #3f8f66; background: #f2fbf6; }
.stage-tab.done::before { content: "✓"; font-weight: 800; color: var(--ok); }

/* 阶段内容布局 */
.stage-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 24px; align-items: start; }
/* 配图已移除：正文独占整行 */
.stage-layout.solo { grid-template-columns: minmax(0, 1fr); }
.stage-media {
  position: sticky; top: 24px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: #fff; box-shadow: var(--shadow-sm);
  animation: fadeUp .4s var(--ease) both;
  /* 加了技法特写后内容变高，限制在视口内并允许内部滚动，避免粘性定位把底部截掉 */
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}
.stage-media svg { width: 100%; height: auto; display: block; }
.stage-media .caption { padding: 12px 15px; font-size: 12.5px; color: var(--ink-soft); border-top: 1px solid var(--line); background: #fff; line-height: 1.65; }
.closeup-wrap { border-top: 1px dashed var(--line-strong); padding: 12px 12px 4px; background: #fffdfe; }
.closeup-wrap svg { width: 100%; height: auto; display: block; border-radius: 10px; }

.stage-body { min-width: 0; }
.stage-body > h4 { margin: 0 0 12px; font-size: 19px; font-weight: 800; color: var(--primary-2); animation: fadeUp .4s var(--ease) both; }
.stage-intro {
  margin: 0 0 6px; padding: 14px 16px;
  background: linear-gradient(135deg, var(--primary-faint), #fff);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-xs);
  color: var(--ink-soft); font-size: 14.5px;
  animation: fadeUp .4s var(--ease) .06s both;
}

/* 步骤时间线 */
.step {
  position: relative;
  display: flex; gap: 15px;
  padding: 16px 4px 16px 0;
  animation: fadeUp .4s var(--ease) both;
}
.step::before {
  content: ""; position: absolute; left: 16px; top: 48px; bottom: -8px;
  width: 2px; background: linear-gradient(180deg, var(--primary), rgba(236,95,138,.08));
}
.step:last-child::before { display: none; }
.step-num {
  flex: 0 0 auto; width: 34px; height: 34px; position: relative; z-index: 1;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; font-size: 14px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(236, 95, 138, 0.32), 0 0 0 4px var(--primary-faint);
}
.step-text { flex: 1; min-width: 0; }
.step-text h5 { margin: 0 0 4px; font-size: 15px; font-weight: 700; }
.step-text p { margin: 0 0 5px; font-size: 14px; color: var(--ink-soft); }
.step-text .tip {
  display: inline-block; font-size: 12.5px; color: var(--primary-deep);
  background: var(--primary-soft); padding: 5px 11px; border-radius: 9px; line-height: 1.5;
}
.step-text .tip::before { content: "💡 "; }

/* 定制建议 */
.notes-box {
  margin-top: 16px; background: linear-gradient(135deg, #fff8fa, #fff);
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 15px 18px;
  animation: fadeUp .4s var(--ease) both;
}
.notes-box h5 { margin: 0 0 8px; font-size: 13.5px; font-weight: 700; color: var(--primary-2); }
.notes-box ul { margin: 0; padding-left: 19px; font-size: 13.5px; color: var(--ink-soft); }
.notes-box li { margin: 4px 0; }

/* 产品 */
.stage-body > h5 { margin: 18px 0 10px; font-size: 13.5px; font-weight: 700; color: var(--ink-soft); }
.products { display: flex; flex-wrap: wrap; gap: 8px; }
.product-chip {
  font-size: 12.5px; padding: 7px 13px; border-radius: 20px;
  background: #f7f1f5; color: var(--ink-soft); border: 1px solid var(--line);
  transition: all .18s var(--ease); text-decoration: none; display: inline-block;
}
.product-chip:hover { border-color: var(--primary); color: var(--primary-2); background: var(--primary-faint); transform: translateY(-1px); }

/* ============================================================
   化妆辅助控制条（眼型 / 脸型 / 开关）
   ============================================================ */
.aid-bar {
  display: flex; flex-direction: column; gap: 9px;
  margin: -4px 0 18px; padding: 13px 15px;
  background: linear-gradient(135deg, #f7f4fb, #fff);
  border: 1px solid #e6ddf0; border-radius: var(--radius-sm);
}
.aid-row { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.aid-label {
  flex: 0 0 auto; font-size: 12.5px; font-weight: 800; color: #6b4f9e;
  min-width: 52px;
}
.aid-chip {
  font-size: 12.5px; padding: 6px 13px; border-radius: 20px;
  border: 1.5px solid var(--line); background: #fff; color: var(--ink-soft);
  cursor: pointer; font-family: var(--font); font-weight: 600;
  transition: all .16s var(--ease); white-space: nowrap;
}
.aid-chip:hover { border-color: #a883d8; color: #6b4f9e; background: #faf7fe; transform: translateY(-1px); }
.aid-chip.active {
  background: linear-gradient(135deg, #a883d8, #8a63c4);
  border-color: transparent; color: #fff;
  box-shadow: 0 5px 14px rgba(138, 99, 196, .28);
}

/* 设置页个性化面板 */
.pers-group { padding: 15px 0; border-bottom: 1px dashed var(--line); }
.pers-group:last-of-type { border-bottom: none; }
.pers-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 11px; }
.pers-head b { font-size: 14.5px; font-weight: 800; color: var(--ink); }
.pers-head small { font-size: 12.5px; color: var(--ink-faint); }
.pers-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pers-actions {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line);
}
.pers-actions .hint { margin: 0; }

/* 开关列表：状态一眼可见，切换不跳动 */
.switch-list { display: flex; flex-direction: column; gap: 10px; max-width: 640px; }
.switch-row {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 15px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: #fff; cursor: pointer;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
.switch-row:hover { border-color: #a883d8; background: #faf8fc; }
.switch-text { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.45; }
.switch-text b { font-size: 14px; font-weight: 700; color: var(--ink); }
.switch-text small { font-size: 12px; color: var(--ink-faint); margin-top: 3px; }
.switch { position: relative; flex: 0 0 auto; width: 46px; height: 26px; }
.switch input {
  position: absolute; inset: 0; width: 100%; height: 100%;
  margin: 0; opacity: 0; cursor: pointer; z-index: 1;
}
.switch i {
  position: absolute; inset: 0; border-radius: 13px;
  background: #ded4e4; transition: background .22s var(--ease);
}
.switch i::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; border-radius: 50%; background: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, .18);
  transition: transform .22s var(--ease);
}
.switch input:checked + i { background: linear-gradient(135deg, #a883d8, #8a63c4); }
.switch input:checked + i::after { transform: translateX(20px); }
.switch input:focus-visible + i { box-shadow: 0 0 0 4px rgba(168, 131, 216, .25); }

/* 眼型 / 脸型针对性调整 */
.shape-box {
  margin-top: 16px; border-radius: var(--radius-sm); overflow: hidden;
  border: 1px solid #dfd2f0; background: linear-gradient(180deg, #faf7fe, #fff);
}
.shape-block { padding: 14px 16px; }
.shape-block + .shape-block { border-top: 1px dashed #dfd2f0; }
.shape-block h5 { margin: 0 0 7px; font-size: 13.5px; font-weight: 800; color: #6b4f9e; }
.shape-brief {
  margin: 0 0 8px; font-size: 12.5px; color: var(--ink-faint); font-style: normal;
  padding: 6px 11px; background: rgba(168, 131, 216, .10); border-radius: 8px;
}
.shape-block ul { margin: 0; padding-left: 18px; }
.shape-block li { margin: 5px 0; font-size: 13.5px; color: var(--ink-soft); line-height: 1.72; }

/* 照着画 · 自检清单 */
.check-box {
  margin-top: 16px; padding: 15px 17px; border-radius: var(--radius-sm);
  border: 1px solid #cfe3d8; background: linear-gradient(180deg, #f4fbf7, #fff);
}
.check-box > h5 { margin: 0 0 5px; font-size: 13.5px; font-weight: 800; color: #2f7d58; }
.check-sub { margin: 0 0 11px; font-size: 12.5px; color: var(--ink-faint); line-height: 1.6; }
.check-list { display: flex; flex-direction: column; gap: 7px; }
.check-item {
  display: flex; align-items: flex-start; gap: 9px; cursor: pointer;
  padding: 9px 12px; border-radius: var(--radius-xs);
  background: #fff; border: 1px solid #d9ebe1;
  font-size: 13.5px; color: var(--ink-soft); line-height: 1.65;
  transition: all .16s var(--ease);
}
.check-item:hover { border-color: #7fbf9d; }
.check-item input { margin: 3px 0 0; width: 16px; height: 16px; accent-color: #3fa979; flex: 0 0 auto; cursor: pointer; }
.check-item span { flex: 1; }
.check-item.done { background: #f0f9f4; border-color: #a8d6bf; color: #6f8d7e; text-decoration: line-through; text-decoration-color: #a8d6bf; }
.check-box .mini-btn { margin-top: 12px; }

/* ============================================================
   新手辅助：手法技巧 + 画错了怎么救
   ============================================================ */
.beginner-box {
  margin-top: 18px; border: 1px solid #e6ddf0; border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #fbf8fd, #fff); overflow: hidden;
}
.bg-block { padding: 14px 16px; }
.bg-block + .bg-block { border-top: 1px dashed #e6ddf0; }
.bg-block > h5 {
  margin: 0 0 9px; font-size: 13.5px; font-weight: 800; color: #6b4f9e;
  display: flex; align-items: center; gap: 6px;
}
.bg-tips { margin: 0; padding-left: 18px; }
.bg-tips li { margin: 5px 0; font-size: 13.5px; color: var(--ink-soft); line-height: 1.72; }
.fix-list { display: flex; flex-direction: column; gap: 8px; }
.fix-item {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: baseline;
  padding: 9px 12px; border-radius: var(--radius-xs);
  background: #fff; border: 1px solid #ece3f5;
}
.fix-item b {
  flex: 0 0 auto; font-size: 12.5px; font-weight: 800; color: #8a3d6b;
  background: #fdeef5; padding: 3px 10px; border-radius: 14px; white-space: nowrap;
}
.fix-item span { flex: 1; min-width: 160px; font-size: 13px; color: var(--ink-soft); line-height: 1.7; }

/* 通用新手技巧卡片 */
.tips-fold { border: none; }
.tips-fold > summary {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  cursor: pointer; list-style: none; padding: 2px 0;
}
.tips-fold > summary::-webkit-details-marker { display: none; }
.tips-fold-title { font-size: 16px; font-weight: 800; color: var(--ink); }
.tips-fold-sub { font-size: 12.5px; color: var(--ink-faint); }
.tips-fold[open] > summary { margin-bottom: 16px; }
.tips-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(248px, 1fr)); gap: 13px; }
.tip-card {
  padding: 13px 15px; border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #fbf8fd, #fff);
  border: 1px solid #e6ddf0; border-left: 3px solid #a883d8;
}
.tip-card b { display: block; font-size: 13.5px; font-weight: 800; color: #6b4f9e; margin-bottom: 5px; }
.tip-card p { margin: 0; font-size: 13px; color: var(--ink-soft); line-height: 1.72; }

/* ============================================================
   妆容推荐
   ============================================================ */
.rec-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); gap: 14px; }
.rec-item {
  border: 1px solid var(--line); border-top: 3px solid var(--line-strong);
  border-radius: var(--radius-sm); padding: 15px 17px;
  background: linear-gradient(180deg, #fff, #fffdfe);
  animation: fadeUp .4s var(--ease) both;
}
.rec-item.best {
  border-top-color: var(--primary);
  background: linear-gradient(180deg, #fff, var(--primary-faint));
  box-shadow: 0 8px 22px rgba(236, 95, 138, .14);
}
.rec-head { display: flex; align-items: center; gap: 9px; margin-bottom: 9px; flex-wrap: wrap; }
.rec-rank {
  font-size: 11px; font-weight: 800; padding: 3px 10px; border-radius: 20px;
  background: var(--primary-soft); color: var(--primary-2); flex: 0 0 auto;
}
.rec-item.best .rec-rank { background: var(--primary); color: #fff; }
.rec-head h5 { margin: 0; font-size: 15.5px; font-weight: 800; flex: 1; min-width: 0; }
.rec-score { font-size: 16px; font-weight: 800; color: var(--primary-2); flex: 0 0 auto; }
.rec-bar { height: 7px; background: var(--line); border-radius: 4px; overflow: hidden; margin-bottom: 9px; }
.rec-bar i {
  display: block; height: 100%; transform-origin: left;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  border-radius: 4px; animation: meterGrow .7s var(--ease);
}
.rec-note { margin: 0 0 9px; font-size: 12.5px; color: var(--ink-faint); line-height: 1.6; }
.rec-pros, .rec-cons { margin: 0 0 8px; padding-left: 17px; font-size: 12.5px; line-height: 1.7; }
.rec-pros { color: var(--ok); }
.rec-cons { color: var(--warn); }
.rec-pros li, .rec-cons li { margin: 3px 0; }
.rec-actions { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 10px; }
.rec-warn {
  margin-top: 16px; padding: 13px 16px; border-radius: var(--radius-sm);
  background: var(--warn-bg); border: 1px solid #f0dcc0; font-size: 13px; color: #8a6427;
}
.rec-warn b { display: block; margin-bottom: 6px; font-size: 13.5px; }
.rec-warn ul { margin: 0; padding-left: 18px; }
.rec-warn li { margin: 4px 0; line-height: 1.65; }

/* ============================================================
   购物清单
   ============================================================ */
.shop-list { display: flex; flex-direction: column; gap: 16px; }
.shop-group > h5 {
  margin: 0 0 9px; font-size: 13px; font-weight: 800; color: var(--primary-2);
  padding-left: 10px; border-left: 3px solid var(--primary); line-height: 1.3;
}
.shop-item {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius-xs);
  background: #fff; margin-bottom: 8px; transition: border-color .18s var(--ease);
}
.shop-item:last-child { margin-bottom: 0; }
.shop-item:hover { border-color: var(--primary); }
.shop-item-main { flex: 1; min-width: 180px; display: flex; flex-direction: column; line-height: 1.45; }
.shop-item-main b { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.shop-item-main small { font-size: 12px; color: var(--ink-faint); margin-top: 2px; }
.shop-links { display: flex; gap: 6px; flex: 0 0 auto; }
.shop-links a {
  font-size: 12px; padding: 6px 13px; border-radius: 18px;
  border: 1.5px solid var(--line); background: #fff; color: var(--ink-soft);
  text-decoration: none; font-weight: 600; white-space: nowrap;
  transition: all .16s var(--ease);
}
.shop-links a:hover { border-color: var(--primary); color: #fff; background: var(--primary); transform: translateY(-1px); }
/* 预算档位选择 */
.tier-row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 11px 13px; margin-bottom: 10px;
  background: linear-gradient(135deg, #f7f4fb, #fff);
  border: 1px solid #e6ddf0; border-radius: var(--radius-sm);
}
.tier-label { font-size: 12.5px; font-weight: 800; color: #6b4f9e; flex: 0 0 auto; }
/* 自定义档位输入 */
.tier-custom, .pers-custom {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  padding: 14px 15px; margin-bottom: 10px;
  background: #fbf9fd; border: 1px solid #e6ddf0; border-radius: var(--radius-sm);
}
.pers-custom { padding: 0; background: transparent; border: none; margin-bottom: 0; }
.tier-preview {
  grid-column: 1 / -1; margin: 2px 0 0; font-size: 12.5px; color: var(--ink-soft);
  padding: 9px 12px; background: #fff; border-radius: var(--radius-xs);
  border: 1px dashed #dfd2f0; line-height: 1.6;
}
.tier-preview b { color: #6b4f9e; font-weight: 800; }
@media (max-width: 640px) { .tier-custom, .pers-custom { grid-template-columns: 1fr; } }

.tier-note {
  padding: 12px 15px; margin-bottom: 16px; font-size: 13px; line-height: 1.7;
  color: var(--ink-soft); background: #faf8fc;
  border-left: 3px solid #a883d8; border-radius: var(--radius-xs);
}
.tier-note b { color: #6b4f9e; font-size: 13.5px; margin-right: 6px; }
.tier-brands {
  margin: 8px 0 0; font-size: 12.5px; color: var(--ink-soft); line-height: 1.7;
  padding-top: 8px; border-top: 1px dashed #e6ddf0;
}
.tier-brands i { color: var(--ink-faint); font-style: normal; font-size: 11.5px; }

/* 平台链接数量变多，压紧一点 */
.shop-links { flex-wrap: wrap; justify-content: flex-end; }
.shop-links a { padding: 5px 10px; font-size: 11.5px; }

.shop-basics { margin-top: 18px; border-top: 1px dashed var(--line-strong); padding-top: 14px; }
.shop-basics > summary {
  cursor: pointer; list-style: none; font-size: 13.5px; font-weight: 700;
  color: var(--primary-2); padding: 6px 0;
}
.shop-basics > summary::-webkit-details-marker { display: none; }
.shop-basics > summary:hover { color: var(--primary-deep); }
.shop-basics[open] > summary { margin-bottom: 12px; }

/* 视频 */
.video-section { margin-top: 20px; }
.video-section > h5 { margin: 0 0 12px; font-size: 14px; font-weight: 700; color: var(--primary-2); }
.video-embed { border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line); background: #141016; box-shadow: var(--shadow-sm); }
.video-embed iframe { width: 100%; aspect-ratio: 16/9; border: 0; display: block; }
.video-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.video-link {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 16px; border: 1.5px solid var(--line); border-radius: 30px;
  font-size: 13px; font-weight: 600; color: var(--primary-2);
  text-decoration: none; background: #fff; transition: all .18s var(--ease);
}
.video-link:hover { border-color: var(--primary); background: var(--primary-soft); transform: translateY(-1px); }
.hint { font-size: 12px; color: var(--ink-faint); margin: 8px 0 0; line-height: 1.6; word-break: break-word; }
.hint.ok { color: var(--ok); font-weight: 600; font-size: 13px; }
.hint.warn { color: var(--warn); font-weight: 600; font-size: 13px; }
.hint.err { color: var(--danger); font-weight: 600; font-size: 13px; }

/* 底部导航 */
.stage-nav { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 26px; }
.stage-progress { flex: 1; font-size: 13px; color: var(--ink-soft); }
.stage-progress .bar { height: 7px; background: var(--line); border-radius: 4px; overflow: hidden; margin-top: 7px; }
.stage-progress .bar i {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  border-radius: 4px; transition: width .4s var(--ease);
  position: relative;
}
.stage-progress .bar i::after {
  content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 14px;
  background: rgba(255,255,255,.55); filter: blur(4px);
}

/* ============================================================
   上传区 / 状态 / 结果
   ============================================================ */
.dropzone {
  display: block; position: relative;
  border: 2px dashed var(--line-strong); border-radius: var(--radius-sm);
  padding: 40px 20px; text-align: center; cursor: pointer;
  background: linear-gradient(180deg, #fffafa, var(--primary-faint));
  transition: all .22s var(--ease);
}
.dropzone:hover, .dropzone.drag { border-color: var(--primary); background: var(--primary-soft); transform: translateY(-1px); }
.dropzone.drag { box-shadow: var(--ring); }
.dropzone-icon { font-size: 44px; margin-bottom: 10px; display: inline-block; animation: float 3s ease-in-out infinite; }
.dropzone p { margin: 4px 0; color: var(--ink-soft); font-size: 14px; }
.dropzone .hint { font-size: 12.5px; color: var(--ink-faint); }

.preview-row { display: flex; align-items: center; gap: 15px; margin-top: 18px; flex-wrap: wrap; }
.preview-row img {
  width: 224px; max-height: 224px; object-fit: cover;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  box-shadow: var(--shadow-md); animation: popIn .35s var(--ease);
}

.status {
  display: flex; align-items: center; gap: 11px;
  margin-top: 18px; padding: 14px 18px; border-radius: var(--radius-sm);
  background: var(--primary-soft); color: var(--primary-2); font-size: 14px; font-weight: 600;
  animation: fadeUp .3s var(--ease);
}
.status::before {
  content: ""; width: 18px; height: 18px; flex: 0 0 auto;
  border: 2.5px solid rgba(236, 95, 138, .25); border-top-color: var(--primary);
  border-radius: 50%; animation: spin .7s linear infinite;
}

/* 结果 */
.result { margin-top: 20px; }
.result-box {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 18px 20px; margin-bottom: 15px; background: #fff;
  box-shadow: var(--shadow-sm); animation: fadeUp .4s var(--ease) both;
}
.result-box h4 { margin: 0 0 8px; font-size: 16px; font-weight: 800; color: var(--primary-2); display: flex; align-items: center; gap: 8px; }
.result-box .sub { margin: 0; color: var(--ink-soft); font-size: 13.5px; }
.confidence { font-size: 13px; color: var(--ink-soft); margin: 6px 0 0; }
.meter { height: 9px; background: var(--line); border-radius: 5px; overflow: hidden; margin: 10px 0 4px; }
.meter i {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  border-radius: 5px; transform-origin: left;
  animation: meterGrow .8s var(--ease);
}
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.tag-chip { font-size: 12.5px; padding: 6px 13px; border-radius: 20px; font-weight: 600; animation: popIn .3s var(--ease) both; }
.recog-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; }
.section-label { font-size: 12.5px; font-weight: 800; color: var(--ink-soft); margin: 10px 0 3px; text-transform: uppercase; letter-spacing: .5px; }
.recog-cols p { margin: 0; font-size: 13.5px; color: var(--ink-soft); line-height: 1.7; }

/* ============================================================
   问卷
   ============================================================ */
.quiz .q-block { padding: 16px 0; border-bottom: 1px dashed var(--line); }
.quiz .q-block:last-child { border-bottom: none; }
.quiz .q-title { font-size: 15px; font-weight: 700; margin: 0 0 11px; }
.quiz .q-title small { font-weight: 500; color: var(--ink-faint); }
.option-row { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  padding: 9px 16px; border: 1.5px solid var(--line); border-radius: 30px;
  cursor: pointer; font-size: 13.5px; background: #fff; transition: all .18s var(--ease);
  user-select: none; font-weight: 500;
}
.chip:hover { border-color: var(--primary); color: var(--primary-2); transform: translateY(-1px); }
.chip.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 16px rgba(236, 95, 138, 0.30);
  animation: popIn .22s var(--ease);
}
.chip input { display: none; }

.actions { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; }

/* 分析结果 */
.analysis-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.metric {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 16px 18px; background: linear-gradient(180deg, #fff, #fffafa);
  border-top: 3px solid var(--primary);
  animation: fadeUp .4s var(--ease) both;
}
.metric:nth-child(1) { animation-delay: .02s; }
.metric:nth-child(2) { animation-delay: .08s; }
.metric:nth-child(3) { animation-delay: .14s; }
.metric:nth-child(4) { animation-delay: .20s; }
.metric:nth-child(5) { animation-delay: .26s; }
.metric:nth-child(6) { animation-delay: .32s; }
.metric:nth-child(7) { animation-delay: .38s; }
.metric:nth-child(8) { animation-delay: .44s; }
.metric:nth-child(2n) { border-top-color: var(--gold); }
.metric:nth-child(3n) { border-top-color: var(--info); }
.metric h5 { margin: 0 0 8px; font-size: 14px; font-weight: 800; color: var(--primary-2); }
.metric p { margin: 0; font-size: 13.5px; color: var(--ink-soft); line-height: 1.7; }
.apply-box { margin-top: 18px; text-align: center; }

/* ============================================================
   设置
   ============================================================ */
.field-row { display: flex; flex-wrap: wrap; gap: 16px; }
.radio { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; padding: 8px 2px; }
.radio input { accent-color: var(--primary); width: 17px; height: 17px; cursor: pointer; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field > span { font-size: 13px; color: var(--ink-soft); font-weight: 700; }
.field.full { grid-column: 1 / -1; }
.tips-box {
  margin-top: 20px; background: linear-gradient(135deg, #fff8fa, #fff);
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: 16px 20px; font-size: 13px; color: var(--ink-soft); line-height: 1.8;
}
.tips-box h4 { margin: 0 0 8px; color: var(--primary-2); font-size: 14px; }
.tips-box ul { margin: 0; padding-left: 19px; }
.tips-box li { margin: 4px 0; }
.tips-box code { background: #f4e6ee; padding: 2px 7px; border-radius: 6px; font-size: 12px; color: var(--primary-2); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; }

.footer {
  text-align: center; padding: 26px; color: var(--ink-faint); font-size: 12.5px;
  border-top: 1px solid var(--line); background: rgba(255,255,255,.6); backdrop-filter: blur(6px);
}

/* ============================================================
   轻提示 Toast（右上角）
   ============================================================ */
.toast-box {
  position: fixed; top: 18px; right: 20px; z-index: 200;
  display: flex; flex-direction: column; gap: 10px;
  max-width: min(370px, calc(100vw - 32px));
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: 14px;
  background: rgba(255, 255, 255, .97);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1.5px solid var(--line);
  box-shadow: 0 10px 30px rgba(196, 74, 116, .20);
  font-size: 13.5px; font-weight: 600; color: var(--ink);
  pointer-events: auto; cursor: pointer;
  opacity: 0; transform: translateX(28px) scale(.96);
  transition: opacity .26s var(--ease), transform .26s var(--ease);
}
.toast.in { opacity: 1; transform: none; }
.toast.out { opacity: 0; transform: translateX(28px) scale(.96); }
.toast-ok { border-color: #b6e0c8; }
.toast-warn { border-color: #f0dcbc; }
.toast-err { border-color: #f0c0c6; }
.toast-info { border-color: #cdd9ef; }
.toast-icon { font-size: 15px; flex: 0 0 auto; line-height: 1; }
.toast-text { flex: 1; min-width: 0; line-height: 1.5; }
.toast-action {
  flex: 0 0 auto; border: none; background: var(--primary-soft);
  color: var(--primary-2); font-size: 12.5px; font-weight: 700;
  padding: 5px 12px; border-radius: 14px; cursor: pointer;
  font-family: var(--font); white-space: nowrap;
  transition: all .16s var(--ease);
}
.toast-action:hover { background: var(--primary); color: #fff; }

/* 重复触发时的脉冲反馈 */
.toast.pulse { animation: toastPulse .42s var(--ease); }
@keyframes toastPulse {
  0% { transform: scale(1); }
  35% { transform: scale(1.035); }
  100% { transform: scale(1); }
}
.toast-hit { flex: 0 0 auto; font-size: 11.5px; font-weight: 800; color: var(--ink-faint); }

/* 手机上放到右下，避开左下角的返回按钮 */
@media (max-width: 820px) {
  .toast-box { top: auto; bottom: 18px; left: 92px; right: 12px; max-width: none; }
  .toast { padding: 11px 14px; font-size: 13px; }
}

/* ============================================================
   离线状态标签
   ============================================================ */
.net-badge {
  position: fixed; right: 20px; bottom: 20px; z-index: 150;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 15px; border-radius: 22px;
  background: rgba(255, 255, 255, .96);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1.5px solid #f0c0c6;
  box-shadow: 0 8px 24px rgba(201, 59, 76, .20);
  font-size: 12.5px; font-weight: 700; color: #8a3a44;
  cursor: default;
  animation: popIn .26s var(--ease);
}
.net-dot {
  width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto;
  background: var(--danger);
  animation: netBlink 1.5s ease-in-out infinite;
}
@keyframes netBlink { 0%, 100% { opacity: 1; } 50% { opacity: .2; } }

/* 手机上移到左下角返回按钮上方，避开右下角的 toast */
@media (max-width: 820px) {
  .net-badge { left: 12px; right: auto; bottom: 74px; font-size: 12px; padding: 8px 13px; }
}

/* ============================================================
   悬浮返回按钮（固定左上角）
   ============================================================ */
.back-fab {
  position: fixed; z-index: 70;
  top: 18px; left: 288px;                 /* JS 会在桌面端对齐主内容左边缘 */
  display: inline-flex; align-items: center; gap: 5px;
  padding: 9px 17px 9px 13px; border-radius: 24px;
  background: rgba(255, 255, 255, .93);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1.5px solid var(--line);
  box-shadow: 0 6px 20px rgba(196, 74, 116, .16);
  color: var(--ink-soft); font-size: 13.5px; font-weight: 700;
  font-family: var(--font); cursor: pointer; line-height: 1;
  transition: transform .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), box-shadow .2s var(--ease);
  animation: popIn .28s var(--ease);
}
.back-fab:hover {
  border-color: var(--primary); color: var(--primary-2);
  transform: translateX(-3px);
  box-shadow: 0 8px 24px rgba(196, 74, 116, .24);
}
.back-fab:active { transform: translateX(-3px) scale(.96); }
.back-fab-arrow { font-size: 15px; line-height: 1; }

/* 移动端：侧边栏变成顶部横条，把按钮放到左下角更顺手 */
@media (max-width: 820px) {
  .back-fab { left: 12px !important; top: auto; bottom: 18px; padding: 11px 18px 11px 15px; }
}

/* ============================================================
   化妆流程独立板块
   ============================================================ */
.proc-look-row { display: flex; flex-wrap: wrap; gap: 9px; }
.proc-nav {
  position: sticky; top: 0; z-index: 6;
  display: flex; gap: 8px; overflow-x: auto;
  padding: 12px 0 14px; margin-bottom: 16px;
  background: linear-gradient(180deg, var(--bg) 72%, rgba(253, 247, 249, 0));
}
.proc-nav::-webkit-scrollbar { height: 5px; }
.proc-chip {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 15px; border-radius: 30px; white-space: nowrap;
  background: #fff; border: 1.5px solid var(--line);
  font-size: 13px; font-weight: 600; color: var(--ink-soft);
  text-decoration: none; transition: all .18s var(--ease);
}
.proc-chip b {
  width: 19px; height: 19px; border-radius: 50%; font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-soft); color: var(--primary-2);
}
.proc-chip:hover { border-color: var(--primary); color: var(--primary-2); background: var(--primary-faint); }
.proc-chip:hover b { background: var(--primary); color: #fff; }

.proc-stage {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 24px; margin-bottom: 22px;
  scroll-margin-top: 74px;
  animation: fadeUp .45s var(--ease) both;
}
.proc-stage-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding-bottom: 14px; margin-bottom: 20px; border-bottom: 1px dashed var(--line);
}
.proc-num {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; font-size: 16px; font-weight: 800;
  box-shadow: 0 5px 14px rgba(236, 95, 138, 0.30);
}
.proc-stage-head h3 { margin: 0; font-size: 19px; font-weight: 800; flex: 1; min-width: 0; }
.proc-count {
  font-size: 12px; padding: 4px 11px; border-radius: 20px;
  background: var(--primary-soft); color: var(--primary-2); font-weight: 700;
}
.proc-stage .stage-media { position: static; max-height: none; }

/* ============================================================
   静态内容概览（SEO 可抓取正文）
   ============================================================ */
/* 折叠起来的静态 SEO 内容：界面清爽，正文仍可被抓取 */
.seo-fold {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  margin-bottom: 22px; overflow: hidden;
}
.seo-fold > summary {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 16px 24px; cursor: pointer; list-style: none;
  transition: background .18s var(--ease);
}
.seo-fold > summary::-webkit-details-marker { display: none; }
.seo-fold > summary:hover { background: var(--primary-faint); }
.seo-fold > summary::before {
  content: "▸"; color: var(--primary); font-size: 14px; transition: transform .2s var(--ease);
}
.seo-fold[open] > summary::before { transform: rotate(90deg); }
.seo-fold-title { font-size: 15px; font-weight: 800; color: var(--ink); }
.seo-fold-sub { font-size: 12.5px; color: var(--ink-faint); }
.seo-fold .seo-overview { padding: 4px 24px 24px; border-top: 1px solid var(--line); }
.seo-overview .sub { margin: 0 0 18px; color: var(--ink-soft); font-size: 14px; }
.ov-h {
  margin: 22px 0 12px; font-size: 15px; font-weight: 800; color: var(--ink);
  padding-left: 11px; border-left: 4px solid var(--primary); line-height: 1.4;
}
.ov-looks { display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); gap: 14px; }
.ov-look { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.ov-look-band { height: 7px; }
.ov-look-body { padding: 14px 16px 16px; }
.ov-look h5 { margin: 0 0 6px; font-size: 15.5px; font-weight: 800; }
.ov-look h5 small { font-weight: 500; color: var(--ink-faint); font-size: 11.5px; letter-spacing: .3px; }
.ov-tag { margin: 0 0 6px; font-size: 13px; color: var(--primary-2); font-weight: 600; }
.ov-desc { margin: 0 0 8px; font-size: 13px; color: var(--ink-soft); line-height: 1.7; }
.ov-meta { margin: 0; font-size: 12px; color: var(--ink-faint); line-height: 1.6; }
.ov-eco { margin: 4px 0 0; font-size: 11.5px; color: var(--ink-faint); font-family: ui-monospace, Consolas, monospace; }

.ov-stages { display: grid; gap: 12px; }
.ov-stage { border: 1px solid var(--line); border-left: 4px solid var(--primary); border-radius: var(--radius-xs); padding: 14px 18px; background: #fffdfe; }
.ov-stage h5 { margin: 0 0 7px; font-size: 15px; font-weight: 800; color: var(--primary-2); }
.ov-intro { margin: 0 0 9px; font-size: 13px; color: var(--ink-soft); line-height: 1.7; }
.ov-stage ol { margin: 0 0 9px; padding-left: 20px; }
.ov-stage li { margin: 5px 0; font-size: 13px; color: var(--ink-soft); line-height: 1.7; }
.ov-stage li b { color: var(--ink); }
.ov-stage li i { color: var(--ink-faint); font-style: normal; font-size: 12.5px; }

/* 表单内联小字提示 */
.field-hint { font-size: 11.5px; color: var(--ink-faint); line-height: 1.5; }

/* API Key 输入框：显示 / 复制 按钮 */
.key-wrap { position: relative; display: flex; align-items: center; gap: 7px; }
.key-wrap .input { flex: 1; min-width: 0; }
.key-btn {
  flex: 0 0 auto; padding: 9px 13px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--line); background: #fff; color: var(--ink-soft);
  font-size: 12.5px; font-weight: 700; font-family: var(--font);
  cursor: pointer; white-space: nowrap; transition: all .16s var(--ease);
}
.key-btn:hover { border-color: var(--primary); color: var(--primary-2); background: var(--primary-faint); }
.key-btn.copied { border-color: var(--ok); color: var(--ok); background: var(--ok-bg); }
.field-hint-inline { font-weight: 400; color: var(--ink-faint); font-size: 11.5px; }

/* ============================================================
   账号切换器
   ============================================================ */
.account-current {
  display: flex; align-items: center; gap: 11px; width: 100%;
  padding: 11px 13px; border: 1.5px solid var(--line); border-radius: 13px;
  background: linear-gradient(135deg, #fff, var(--primary-faint));
  cursor: pointer; text-align: left; font-family: var(--font);
  transition: all .2s var(--ease);
}
.account-current:hover { border-color: var(--primary); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.account-avatar {
  width: 34px; height: 34px; flex: 0 0 auto; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 15px; background: var(--primary);
  box-shadow: inset 0 -2px 6px rgba(0,0,0,.12);
}
.account-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.35; }
.account-meta b { font-size: 14px; font-weight: 700; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-meta small { font-size: 11px; color: var(--ink-faint); }
.account-caret { color: var(--ink-faint); font-size: 12px; flex: 0 0 auto; }

.account-row {
  display: flex; align-items: center; gap: 13px;
  padding: 14px 16px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: #fffdfe;
}
.account-row .account-avatar { width: 44px; height: 44px; border-radius: 13px; font-size: 18px; }
.account-row .account-meta b { font-size: 16px; }
.storage-meter { margin-top: 14px; }
.storage-meter .meter { margin: 0 0 6px; }

/* 账号管理弹窗内的列表 */
.acc-list { display: flex; flex-direction: column; gap: 10px; }
.acc-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border: 1.5px solid var(--line);
  border-radius: var(--radius-sm); background: #fff;
  transition: all .18s var(--ease);
}
.acc-item.current { border-color: var(--primary); background: var(--primary-faint); }
.acc-item .acc-name { flex: 1; min-width: 0; font-size: 14.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acc-item .acc-tag { font-size: 11px; padding: 2px 9px; border-radius: 12px; background: var(--primary); color: #fff; font-weight: 700; flex: 0 0 auto; }
.acc-item .acc-btns { display: flex; gap: 6px; flex: 0 0 auto; }

/* 确认弹窗 */
.cf-msg { margin: 0; font-size: 15px; line-height: 1.75; color: var(--ink); }
.cf-msg b { color: var(--primary-2); }
.cf-detail {
  margin-top: 13px; padding: 12px 15px; border-radius: var(--radius-xs);
  background: #f7f4fa; border-left: 3px solid #a883d8;
  font-size: 13px; line-height: 1.8; color: var(--ink-soft);
}
.cf-detail.danger { background: var(--danger-bg); border-left-color: var(--danger); color: #8a3a44; }
.cf-detail b { color: #c93b4c; font-weight: 800; }

/* ============================================================
   通用弹窗
   ============================================================ */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(42, 34, 51, .45); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 22px; animation: fadeIn .2s var(--ease);
}
.modal-card {
  background: #fff; border-radius: var(--radius);
  width: 100%; max-width: 720px; max-height: 88vh; overflow-y: auto;
  box-shadow: var(--shadow-lg); animation: popIn .26s var(--ease);
}
.modal-card.narrow { max-width: 480px; }
.modal-head {
  position: sticky; top: 0; z-index: 2; background: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 19px 24px; border-bottom: 1px solid var(--line);
}
.modal-head h3 { margin: 0; font-size: 18px; font-weight: 800; }
.modal-head .sub { margin: 3px 0 0; font-size: 13px; color: var(--ink-soft); font-weight: 400; }
.modal-close {
  border: none; background: transparent; font-size: 24px; line-height: 1;
  cursor: pointer; color: var(--ink-faint); padding: 3px 9px; border-radius: 9px;
  transition: all .16s var(--ease); flex: 0 0 auto;
}
.modal-close:hover { background: var(--primary-soft); color: var(--primary-2); }
.modal-body { padding: 22px 24px; }
.modal-foot {
  padding: 15px 24px; border-top: 1px solid var(--line);
  display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap;
}

/* ============================================================
   妆前 / 妆后预览对比
   ============================================================ */
.ba-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
/* 只有用户上传的实拍图时：单图居中，别拉满整行 */
.ba-compare.single { grid-template-columns: minmax(0, 320px); justify-content: center; }
.ba-item { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.ba-item svg, .ba-item img { width: 100%; display: block; }
.ba-item img { aspect-ratio: 1 / 1; object-fit: cover; }
.ba-label { padding: 10px 13px; font-size: 13px; font-weight: 700; text-align: center; border-top: 1px solid var(--line); }
.ba-before .ba-label { color: var(--ink-soft); background: #f8f5f7; }
.ba-after .ba-label { color: var(--primary-2); background: var(--primary-faint); }
.preview-note { margin: 14px 0 0; font-size: 12.5px; color: var(--ink-faint); line-height: 1.7; }
.photo-ctl {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 16px; padding: 12px 14px;
  background: linear-gradient(135deg, var(--primary-faint), #fff);
  border: 1px dashed var(--line-strong); border-radius: var(--radius-sm);
}
.photo-ctl .hint { margin: 0; flex: 1 1 100%; }

/* 教学页顶部：该妆容的精选教程横条 */
.tut-strip {
  display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
  margin: -6px 0 18px; padding: 11px 14px;
  background: linear-gradient(135deg, var(--primary-faint), #fff);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.tut-strip-label { font-size: 12.5px; font-weight: 700; color: var(--primary-2); flex: 0 0 auto; }
.tut-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12.5px; padding: 6px 13px; border-radius: 20px;
  background: #fff; border: 1px solid var(--line); color: var(--ink-soft);
  text-decoration: none; transition: all .18s var(--ease); font-weight: 500;
}
.tut-chip:hover { border-color: var(--primary); color: var(--primary-2); background: var(--primary-soft); transform: translateY(-1px); }

/* 精选教程卡片 */
.tut-list { display: flex; flex-direction: column; gap: 10px; }
.tut-card {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 10px 12px; background: #fff; transition: all .18s var(--ease);
}
.tut-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.tut-main {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: inherit;
}
.tut-play {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; font-size: 13px; padding-left: 2px;
  box-shadow: 0 4px 10px rgba(236, 95, 138, 0.30);
}
.tut-info { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.4; }
.tut-info b { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.tut-info small { font-size: 11.5px; color: var(--ink-faint); }
.tut-player { margin-top: 14px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line); background: #141016; }
.tut-player iframe { width: 100%; aspect-ratio: 16/9; border: 0; display: block; }
.tut-player .hint { background: #fff; margin: 0; padding: 10px 13px; }
.gallery-title { margin: 20px 0 10px; font-size: 14px; font-weight: 800; color: var(--primary-2); }
.gallery-links { display: flex; flex-wrap: wrap; gap: 9px; }
.gallery-links a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 15px; border: 1.5px solid var(--line); border-radius: 30px;
  font-size: 13px; font-weight: 600; color: var(--primary-2);
  text-decoration: none; background: #fff; transition: all .18s var(--ease);
}
.gallery-links a:hover { border-color: var(--primary); background: var(--primary-soft); transform: translateY(-1px); }

/* ============================================================
   妆容卡片 · 预览按钮
   ============================================================ */
.btn-preview {
  margin-top: 12px; width: 100%; padding: 9px;
  border: 1.5px solid var(--line); border-radius: 10px; background: #fff;
  font-size: 13px; font-weight: 600; color: var(--ink-soft);
  cursor: pointer; font-family: var(--font); transition: all .18s var(--ease);
}
.btn-preview:hover { border-color: var(--primary); color: var(--primary-2); background: var(--primary-soft); }
.look-card.selected .btn-preview { border-color: var(--primary); color: var(--primary-2); background: var(--primary-soft); }

/* ============================================================
   我的妆容
   ============================================================ */
.my-looks-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(198px, 1fr)); gap: 14px; }
.my-look-card {
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  overflow: hidden; background: #fff;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  animation: fadeUp .4s var(--ease) both;
}
.my-look-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.my-look-thumb { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: #f5eef2; }
.my-look-body { padding: 12px 14px 14px; }
.my-look-body h5 { margin: 0 0 5px; font-size: 14.5px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.my-look-body .my-look-sub { margin: 0; font-size: 12px; color: var(--ink-faint); }
.my-look-actions { display: flex; gap: 6px; margin-top: 11px; flex-wrap: wrap; }
.mini-btn {
  font-size: 11.5px; padding: 5px 11px; border-radius: 16px;
  border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  cursor: pointer; font-family: var(--font); transition: all .16s var(--ease);
}
.mini-btn:hover { border-color: var(--primary); color: var(--primary-2); background: var(--primary-faint); }
.mini-btn.danger:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-bg); }
.my-look-swatches { display: flex; gap: 4px; margin: 7px 0 0; }
.my-look-swatches i { width: 13px; height: 13px; border-radius: 50%; border: 1.5px solid #fff; box-shadow: 0 0 0 1px var(--line); }

/* ============================================================
   其它小工具
   ============================================================ */
.preview-actions { display: flex; flex-direction: column; gap: 9px; }
.teach-actions { display: flex; gap: 9px; flex-wrap: wrap; }
.form-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.form-row .field { flex: 1; min-width: 170px; }
.empty-state {
  padding: 26px 18px; text-align: center; color: var(--ink-faint); font-size: 13.5px;
  border: 1.5px dashed var(--line-strong); border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #fffafa, var(--primary-faint));
}

/* ============================================================
   动画关键帧
   ============================================================ */
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: scale(1); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-16px); } to { opacity: 1; transform: none; } }
@keyframes growX { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes meterGrow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(236,95,138,.35); } 50% { box-shadow: 0 0 0 10px rgba(236,95,138,0); } }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
  .stage-layout { grid-template-columns: 1fr; }
  .stage-media { position: static; }
}
@media (max-width: 820px) {
  .app { flex-direction: column; }
  .sidebar {
    width: 100%; height: auto; position: sticky; top: 0; z-index: 20;
    flex-direction: row; align-items: center; flex-wrap: wrap;
    padding: 12px 14px; gap: 12px; border-right: none; border-bottom: 1px solid var(--line);
    /* 向下滚动时收起，向上滚动再滑出（由 app.js 加/去 .nav-collapsed） */
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
    will-change: transform;
  }
  .sidebar.nav-collapsed {
    transform: translateY(-100%);
    box-shadow: 0 10px 26px rgba(196, 74, 116, .16);
  }
  .brand-text p { display: none; }
  .brand-logo { width: 40px; height: 40px; font-size: 21px; border-radius: 12px; }
  .nav { flex-direction: row; flex-wrap: wrap; gap: 5px; }
  .nav-item { padding: 9px 12px; font-size: 13.5px; }
  .nav-item.active::before { display: none; }
  .sidebar-foot { display: none; }
  .main { padding: 20px 14px 56px; }
  .page-head h2 { font-size: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .look-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .look-grid { grid-template-columns: 1fr; }
  .teach-head { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-delay: 0ms !important;
    transition-duration: .001ms !important;
  }
  html { scroll-behavior: auto; }
}