/* R116 社群相册 */
:root {
  --primary: #FF6B6B;
  --secondary: #FF9500;
  --bg: #FFF5F5;
  --surface: #fff;
  --text: #2D3436;
  --text-secondary: #636E72;
  --border: #F0E0E0;
  --contact-footer-h: 92px;
  --fab-size: 56px;
  --float-gap: 14px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --max-w: 480px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  max-width: var(--max-w);
  margin: 0 auto;
  min-height: 100dvh;
  padding-bottom: calc(var(--contact-footer-h) + var(--safe-bottom) + 8px);
  -webkit-font-smoothing: antialiased;
}
body.has-contact-footer {
  padding-bottom: calc(var(--contact-footer-h) + var(--safe-bottom) + var(--fab-size) + var(--float-gap) + 24px);
}
.hidden { display: none !important; }
.card { background: var(--surface); border-radius: 14px; padding: 16px; box-shadow: 0 2px 14px rgba(0,0,0,.06); }
.hint { color: var(--text-secondary); font-size: 13px; }

.btn { border: none; border-radius: 24px; padding: 10px 20px; font-size: 14px; cursor: pointer; font-weight: 600; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-block { display: block; width: 100%; margin-top: 8px; }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 16px; }

/* M1 Hero */
.hero-section { position: relative; min-height: 52vh; overflow: hidden; display: flex; align-items: flex-end; }
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  filter: blur(12px); transform: scale(1.08);
  animation: heroReveal .7s ease-out forwards;
}
@keyframes heroReveal { to { filter: blur(4px); transform: scale(1.05); } }
.hero-content {
  position: relative; z-index: 1; width: 100%; padding: 28px 18px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,.55));
  color: #fff; animation: slideUp .5s .1s ease-out both;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.hero-content h1 { font-size: 24px; margin-bottom: 6px; }
.creator-avatar { width: 22px; height: 22px; border-radius: 50%; vertical-align: middle; margin-right: 4px; }
.album-stats { font-size: 13px; opacity: .9; margin: 8px 0; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.hero-cta .btn { flex: 1; min-width: 90px; text-align: center; }
.hero-cta .btn-outline { color: #fff; border-color: rgba(255,255,255,.85); }
.hero-cta .btn-outline:hover { background: rgba(255,255,255,.15); }

/* M2 成员 */
.member-bar { display: flex; align-items: center; gap: 10px; margin: 10px 0; flex-wrap: wrap; }
.member-mosaic { display: flex; align-items: center; flex: 1; min-width: 0; }
.btn-member-manage {
  flex-shrink: 0; padding: 6px 12px; border-radius: 16px; border: 1px solid rgba(255,255,255,.75);
  background: rgba(255,255,255,.2); color: #fff; font-size: 12px; cursor: pointer;
}
.btn-member-manage:hover { background: rgba(255,255,255,.35); }
.member-mosaic img {
  width: 44px; height: 44px; border-radius: 50%; border: 2px solid #fff;
  margin-left: -10px; box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.member-mosaic img:first-child { margin-left: 0; }
.member-mosaic .more {
  width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center; font-size: 12px; margin-left: -10px;
  border: 2px solid rgba(255,255,255,.6); color: #fff; cursor: pointer; padding: 0;
  font-weight: 600;
}
.member-mosaic .more:hover { background: rgba(255,255,255,.45); }
.member-row-manage { justify-content: space-between; }
.member-row-info { flex: 1; }
.member-row-actions { display: flex; gap: 6px; }
.btn-member-edit, .btn-member-del {
  font-size: 11px; padding: 4px 8px; border-radius: 6px; cursor: pointer; background: var(--bg); border: 1px solid var(--border);
}
.btn-member-del { color: var(--primary); border-color: var(--primary); }
.member-owner-tag { font-size: 11px; color: var(--text-secondary); }
.member-mosaic .member-avatar { cursor: pointer; }
.form-label { display: block; font-size: 13px; margin-bottom: 10px; text-align: left; }

/* M3 瀑布流 */
/* P2 搜索与标签 */
.p2-search-wrap { padding: 10px 14px 0; background: var(--bg); position: sticky; top: 0; z-index: 6; }
.p2-search-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.p2-search-bar input {
  flex: 1; padding: 10px 12px; border: 1px solid var(--border); border-radius: 20px;
  font-size: 14px; background: var(--surface);
}
.p2-search-clear {
  width: 28px; height: 28px; border-radius: 50%; border: none; background: var(--border);
  font-size: 16px; cursor: pointer; color: var(--text-secondary);
}
.p2-tag-chips { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px; scrollbar-width: none; }
.p2-tag-chips::-webkit-scrollbar { display: none; }
.p2-tag-chip {
  flex-shrink: 0; padding: 4px 10px; border-radius: 14px; border: 1px solid var(--border);
  background: var(--surface); font-size: 11px; cursor: pointer;
}
.p2-tag-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.photo-tags {
  position: absolute; left: 6px; top: 6px; display: flex; gap: 4px; flex-wrap: wrap; z-index: 2;
}
.photo-tag {
  font-size: 10px; padding: 2px 6px; border-radius: 8px;
  background: rgba(0,0,0,.55); color: #fff;
}
.photo-card-video .video-play-badge {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 44px; height: 44px; border-radius: 50%; background: rgba(0,0,0,.55);
  color: #fff; font-size: 18px; display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.p2-video-overlay {
  position: fixed; inset: 0; z-index: 800; background: rgba(0,0,0,.88);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.p2-video-panel { width: 100%; max-width: 420px; position: relative; }
.p2-video-panel video { width: 100%; border-radius: 12px; background: #000; }
.p2-video-close {
  position: absolute; right: -4px; top: -40px; width: 36px; height: 36px; border-radius: 50%;
  border: none; background: rgba(255,255,255,.2); color: #fff; font-size: 22px; cursor: pointer;
}
.p2-video-meta { color: #fff; margin-top: 10px; font-size: 14px; }
.p2-video-tags { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.p2-video-tags span { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: rgba(255,255,255,.15); }

.category-tabs {
  display: flex; gap: 8px; overflow-x: auto; padding: 10px 14px;
  position: sticky; top: 0; z-index: 5; background: var(--bg); scrollbar-width: none;
}
.category-tabs::-webkit-scrollbar { display: none; }
.category-tab {
  flex-shrink: 0; padding: 6px 14px; border-radius: 20px; border: 1px solid var(--border);
  background: var(--surface); font-size: 13px; cursor: pointer;
}
.category-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.waterfall-grid { padding: 0 12px 24px; }
.date-section { margin-bottom: 14px; }
.photo-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 8px; align-items: start;
}
.photo-card {
  position: relative; width: 100%; aspect-ratio: var(--ar, 4 / 3);
  border-radius: 10px; overflow: hidden; opacity: 0;
  transform: translateY(14px); transition: opacity .35s, transform .35s;
}
.photo-card.is-visible { opacity: 1; transform: none; }
.photo-card img { width: 100%; height: 100%; display: block; object-fit: cover; }
.photo-reaction {
  position: absolute; bottom: 6px; right: 6px; background: rgba(0,0,0,.55);
  color: #fff; font-size: 11px; padding: 2px 6px; border-radius: 10px;
}
.date-group-header {
  padding: 8px 4px 10px; font-weight: 600; font-size: 14px;
  display: flex; justify-content: space-between; color: var(--text-secondary);
}
.load-more-spinner { text-align: center; padding: 16px; color: var(--text-secondary); font-size: 13px; }

/* M5 上传（左侧，与右侧客服球错开） */
.fab {
  position: fixed; left: 16px; right: auto;
  bottom: calc(var(--contact-footer-h) + var(--safe-bottom) + var(--float-gap));
  width: var(--fab-size); height: var(--fab-size); border-radius: 50%; background: var(--primary); color: #fff;
  font-size: 28px; border: none; box-shadow: 0 4px 18px rgba(255,107,107,.45); z-index: 90; cursor: pointer;
  transition: transform .25s;
}
.fab.active { transform: rotate(45deg); }
.fab-menu {
  position: fixed; left: 16px; right: auto;
  bottom: calc(var(--contact-footer-h) + var(--safe-bottom) + var(--float-gap) + var(--fab-size) + 10px);
  display: flex; flex-direction: column; gap: 8px; z-index: 89;
}
.fab-menu button {
  padding: 10px 16px; border-radius: 20px; border: 1px solid var(--border);
  background: var(--surface); font-size: 13px; box-shadow: 0 2px 10px rgba(0,0,0,.08); cursor: pointer;
}
.drop-zone-overlay {
  position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.drop-zone {
  width: 100%; max-width: 360px; padding: 40px 24px; border: 2px dashed var(--border);
  border-radius: 16px; background: var(--surface); text-align: center;
}
.drop-zone.active { border-color: var(--primary); background: rgba(255,107,107,.05); }
.drop-icon { font-size: 42px; display: block; margin-bottom: 12px; }
.preview-grid { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 12px; }
.progress-fab {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--contact-footer-h) + var(--safe-bottom) + 90px); z-index: 210;
  background: rgba(0,0,0,.8); color: #fff; border-radius: 14px; padding: 10px 16px;
  display: flex; align-items: center; gap: 10px;
}
.upload-ring {
  width: 40px; height: 40px; border-radius: 50%;
  background: conic-gradient(#4CAF50 calc(var(--progress, 0) * 3.6deg), #555 0deg);
}

/* M6 互动 */
.reaction-picker {
  position: fixed; z-index: 300; display: none; gap: 4px;
  background: rgba(0,0,0,.85); border-radius: 24px; padding: 8px 12px;
}
.reaction-picker button { background: none; border: none; font-size: 22px; cursor: pointer; }
.p1-lightbox-bar {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--contact-footer-h) + 8px);
  width: calc(100% - 24px); max-width: 456px; z-index: 1500;
  background: rgba(0,0,0,.82); border-radius: 14px; padding: 10px; color: #fff;
}
.p1-reaction-bar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.rx-btn { background: rgba(255,255,255,.12); border: none; border-radius: 16px; padding: 4px 10px; color: #fff; font-size: 14px; cursor: pointer; }
.p1-comment-list { max-height: 100px; overflow-y: auto; font-size: 12px; margin-bottom: 8px; }
.p1-comment-item { display: flex; gap: 8px; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.p1-comment-item img { width: 28px; height: 28px; border-radius: 50%; }
.p1-comment-input { display: flex; gap: 8px; }
.p1-comment-input input { flex: 1; border: none; border-radius: 10px; padding: 8px 10px; font-size: 13px; }
.p1-comment-input button { background: var(--primary); color: #fff; border: none; border-radius: 10px; padding: 8px 14px; cursor: pointer; }

/* M7 海报 */
.poster-overlay {
  position: fixed; inset: 0; z-index: 500; background: rgba(0,0,0,.9);
  display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 16px;
}
.poster-overlay img { max-width: 90%; max-height: 70vh; border-radius: 8px; }
.poster-close, .poster-dl { margin-top: 12px; }

/* M8 CTA */
.cta-footer { text-align: center; padding: 28px 16px 16px; }
.lead-form {
  display: flex; flex-direction: column; gap: 10px; max-width: 340px; margin: 12px auto 0;
  padding: 20px; background: var(--surface); border-radius: 14px;
}
.lead-form input, .lead-form select { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; }

/* 空状态 */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 50vh; gap: 12px; padding: 32px; text-align: center; color: var(--text-secondary);
}
.empty-illustration { font-size: 72px; opacity: .35; }

/* 模态 */
.modal-root {
  position: fixed; inset: 0; z-index: 400; display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.45); }
.modal-card { position: relative; z-index: 1; width: 100%; max-width: 360px; max-height: 80vh; overflow-y: auto; }
.member-list { margin: 12px 0; }
.member-row { display: flex; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.member-row img { width: 40px; height: 40px; border-radius: 50%; }
.join-input { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 10px; margin: 10px 0; font-size: 14px; }

/* P1 权限 */
.p1-role-bar { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; font-size: 12px; opacity: .9; }
.perm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.perm-btn { padding: 10px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); cursor: pointer; }
.perm-btn.active { border-color: var(--primary); background: rgba(255,107,107,.1); color: var(--primary); font-weight: 600; }
.perm-table { width: 100%; font-size: 12px; border-collapse: collapse; margin: 10px 0; }
.perm-table th, .perm-table td { border: 1px solid var(--border); padding: 6px; text-align: center; }

/* 粒子 */
.heart-particle { animation: particleFloat .8s ease-out forwards; pointer-events: none; }
@keyframes particleFloat {
  0% { transform: translate(0,0) scale(1); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) scale(0); opacity: 0; }
}

.toast {
  position: fixed; left: 50%;
  bottom: calc(var(--contact-footer-h) + var(--safe-bottom) + var(--fab-size) + var(--float-gap) + 8px);
  transform: translateX(-50%);
  background: #333; color: #fff; padding: 10px 18px; border-radius: 20px; font-size: 13px;
  opacity: 0; transition: .3s; z-index: 600; pointer-events: none;
}
.toast.show { opacity: 1; }
.toast-warn { background: var(--secondary); color: #1E293B; }

/* 底栏 */
.contact-footer { position: fixed; left: 0; right: 0; bottom: 0; z-index: 101; background: #1a1a1a; padding: 8px 12px calc(6px + var(--safe-bottom)); }
.contact-footer__btns { display: grid; grid-template-columns: repeat(3, minmax(0, 88px)); justify-content: center; gap: 8px; max-width: 320px; margin: 0 auto 4px; }
.contact-footer__cta { background: #c41e1e !important; color: #fff !important; text-align: center; border-radius: 6px; padding: .48rem .2rem; font-size: .72rem; text-decoration: none; }
.contact-footer__btn { background: transparent; border: 1px solid rgba(255,255,255,.35); color: #fff; border-radius: 6px; padding: .48rem .2rem; font-size: .72rem; cursor: pointer; text-decoration: none; text-align: center; }
.contact-footer__brand { text-align: center; font-size: .62rem; color: rgba(255,255,255,.5); margin: 0; }
/* 客服悬浮球惯例固定右下，抬高避开底栏 */
body.has-contact-footer .zw-root .zw-fab {
  right: 16px !important;
  left: auto !important;
  bottom: calc(var(--contact-footer-h) + var(--safe-bottom) + var(--float-gap)) !important;
  z-index: 98;
}

.share-main { padding: 16px; }
.share-landing-card { background: var(--surface); border-radius: 14px; padding: 20px 16px; box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.share-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 14px 0; }
.share-stat { text-align: center; background: rgba(255,107,107,.08); border-radius: 8px; padding: 8px 4px; }
.share-stat strong { display: block; font-size: 16px; color: var(--primary); }
.share-stat span { font-size: 10px; color: var(--text-secondary); }

@media (min-width: 769px) {
  :root { --max-w: 720px; }
  .photo-grid { grid-template-columns: repeat(3, 1fr); }
}