/* ===========================================
   美团图库 · 用户引导系统 v1.1 (2026-07-06)
   对齐 ui-v3.css 浅色玻璃主题
   主色：#0E9F76 → #12B981 渐变
   卡片：白色 + 圆角 18px
   字体：继承全站
   =========================================== */

.guide-overlay {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, 0.48);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 99999;
  padding: 18px;
  animation: guideFadeIn 0.3s ease;
}
.guide-overlay.show { display: flex; }
@keyframes guideFadeIn { from{opacity:0} to{opacity:1} }
@keyframes guideSlideUp {
  from { opacity:0; transform: translateY(24px) scale(0.97); }
  to   { opacity:1; transform: translateY(0) scale(1); }
}

.guide-modal {
  background: var(--v3-bg-surface, #FFFFFF);
  border: 1px solid var(--v3-border-soft, rgba(148,163,184,0.22));
  border-radius: 22px;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(255,255,255,0.6) inset;
  animation: guideSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.guide-modal * { box-sizing: border-box; }

.guide-header {
  padding: 26px 26px 18px;
  text-align: center;
  border-bottom: 1px solid var(--v3-border-soft, rgba(148,163,184,0.18));
  background: linear-gradient(180deg, rgba(221, 248, 242, 0.35) 0%, rgba(255,255,255,0) 100%);
}
.guide-icon {
  width: 58px; height: 58px;
  margin: 0 auto 12px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  line-height: 1;
  border: 1px solid var(--v3-border-soft, rgba(148,163,184,0.18));
}
.guide-title {
  font-size: 21px;
  font-weight: 800;
  color: var(--v3-text, #0F172A);
  margin-bottom: 5px;
  letter-spacing: -0.3px;
}
.guide-subtitle {
  font-size: 13px;
  color: var(--v3-text-secondary, #64748B);
  font-weight: 500;
}

.guide-body {
  padding: 20px 26px;
  overflow-y: auto;
  flex: 1;
  color: var(--v3-text, #0F172A);
  font-size: 14px;
  line-height: 1.7;
  background: var(--v3-bg-surface, #FFFFFF);
}
.guide-body::-webkit-scrollbar { width: 6px; }
.guide-body::-webkit-scrollbar-thumb { background: var(--v3-text-muted, #94A3B8); border-radius: 3px; opacity: 0.4; }

.guide-body p { margin: 0 0 14px; }
.guide-body .highlight {
  color: var(--v3-primary, #0E9F76);
  font-weight: 700;
  background: var(--v3-primary-soft, #DDF8F2);
  padding: 1px 6px;
  border-radius: 5px;
}

.guide-letter p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--v3-text, #0F172A);
}
.guide-letter p:first-child {
  font-size: 15px;
  font-weight: 600;
}

/* 优势卡片网格 */
.guide-adv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 16px 0;
}
.guide-adv-card {
  background: var(--v3-bg-page-soft, #F1F7F8);
  border: 1px solid var(--v3-border-soft, rgba(148,163,184,0.18));
  border-radius: 14px;
  padding: 14px;
  text-align: left;
  transition: all 0.22s;
}
.guide-adv-card:hover {
  background: var(--v3-primary-soft, #DDF8F2);
  border-color: rgba(14, 159, 118, 0.25);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(14, 159, 118, 0.08);
}
.guide-adv-card .adv-ico {
  font-size: 22px;
  margin-bottom: 6px;
  line-height: 1;
}
.guide-adv-card .adv-t {
  font-size: 13px;
  font-weight: 700;
  color: var(--v3-text, #0F172A);
  margin-bottom: 4px;
}
.guide-adv-card .adv-d {
  font-size: 11px;
  color: var(--v3-text-secondary, #64748B);
  line-height: 1.55;
}

/* 步骤列表 */
.guide-steps {
  list-style: none;
  padding: 0;
  margin: 14px 0;
  counter-reset: step;
}
.guide-steps li {
  position: relative;
  padding: 12px 12px 12px 52px;
  margin-bottom: 8px;
  background: var(--v3-bg-page-soft, #F1F7F8);
  border: 1px solid var(--v3-border-soft, rgba(148,163,184,0.16));
  border-radius: 12px;
  counter-increment: step;
  list-style: none;
}
.guide-steps li::before {
  content: counter(step);
  position: absolute;
  left: 12px; top: 12px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--v3-primary, #0E9F76), var(--v3-primary-2, #12B981));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(14, 159, 118, 0.25);
}
.guide-steps li strong {
  display: block;
  color: var(--v3-text, #0F172A);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 3px;
}
.guide-steps li .step-tip {
  display: block;
  font-size: 12px;
  color: var(--v3-text-secondary, #64748B);
  line-height: 1.55;
}

/* 提示框 */
.guide-tip-box {
  background: var(--v3-primary-soft, #DDF8F2);
  border: 1px solid rgba(14, 159, 118, 0.22);
  border-radius: 14px;
  padding: 14px 16px;
  margin-top: 16px;
}
.guide-tip-box .tip-t {
  font-size: 13px;
  font-weight: 700;
  color: var(--v3-primary, #0E9F76);
  margin-bottom: 4px;
}
.guide-tip-box .tip-d {
  font-size: 12px;
  color: var(--v3-text-secondary, #64748B);
  line-height: 1.6;
}

/* 底部按钮区 */
.guide-footer {
  padding: 14px 26px 20px;
  border-top: 1px solid var(--v3-border-soft, rgba(148,163,184,0.16));
  background: var(--v3-bg-surface, #FFFFFF);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.guide-confirm-btn {
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: 14px;
  background: #E2E8F0;
  color: #94A3B8;
  font-size: 15px;
  font-weight: 700;
  cursor: not-allowed;
  position: relative;
  overflow: hidden;
  transition: all 0.25s;
  font-family: inherit;
}
.guide-confirm-btn.ready {
  background: linear-gradient(135deg, var(--v3-primary, #0E9F76), var(--v3-primary-2, #12B981));
  color: #fff;
  cursor: pointer;
  box-shadow: var(--v3-shadow-button, 0 12px 24px rgba(14, 159, 118, 0.22));
}
.guide-confirm-btn.ready:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(14, 159, 118, 0.32);
}
.guide-confirm-btn.ready:active { transform: translateY(0); }
.guide-confirm-btn .countdown-bar {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: rgba(148, 163, 184, 0.18);
  transition: width 1s linear;
  width: 100%;
}
.guide-confirm-btn.ready .countdown-bar { display: none; }
.guide-confirm-btn .btn-label {
  position: relative;
  z-index: 1;
}
.guide-skip {
  font-size: 12px;
  color: var(--v3-text-muted, #94A3B8);
  cursor: pointer;
  text-decoration: none;
  padding: 4px 8px;
  transition: color 0.2s;
  font-weight: 500;
}
.guide-skip:hover { color: var(--v3-text-secondary, #64748B); }

/* 移动端适配 */
@media (max-width: 640px) {
  .guide-overlay { padding: 0; align-items: flex-end; }
  .guide-modal { max-width: 100%; border-radius: 22px 22px 0 0; max-height: 92vh; }
  .guide-header { padding: 22px 20px 14px; }
  .guide-title { font-size: 19px; }
  .guide-body { padding: 18px 20px; font-size: 13px; }
  .guide-footer { padding: 12px 20px calc(16px + env(safe-area-inset-bottom)); }
  .guide-adv-grid { grid-template-columns: 1fr; }
  .guide-confirm-btn { padding: 13px 20px; font-size: 14px; }
}

/* 兼容深色登录页：当 body 自定义了 --bg-primary 等变量时，
   引导弹窗依然使用 ui-v3 浅色主题，保持全站一致 */

/* [TAP_TARGET_V1_GUIDE] 移动端引导弹窗的跳过/确认控件 ≥44px（实测跳过链接仅 76×27，难点） */
@media (max-width: 480px){
  .guide-skip { min-height:44px; display:inline-flex; align-items:center; justify-content:center; padding:0 16px; }
  .guide-footer { gap:10px; }
}