/* Business 商业创意广场（共享样式：广场/表单/报告/榜单/详情/警告） */
.bz-page {
  min-height: 100vh;
  padding: 150px 0 100px;
  background: var(--bg);
}

/* 宽版外壳：全屏铺开（撰写表单仍用 bz-narrow） */
.bz-shell {
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 64px);
}

.bz-narrow {
  max-width: 900px;
}

.bz-head h1 {
  font-size: clamp(30px, 4.6vw, 54px);
  margin-top: 10px;
}

.bz-sub {
  margin-top: 12px;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  max-width: 640px;
}

/* ============ 广场页 hero（宽版 + 装饰） ============ */
.bz-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: clamp(36px, 5vw, 72px) clamp(28px, 4vw, 60px);
  background: var(--bg-soft);
  margin-bottom: 30px;
}

.bz-hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 340px at 88% -30%, var(--accent-soft), transparent 62%),
    radial-gradient(520px 300px at -6% 118%, var(--accent2-soft), transparent 60%),
    radial-gradient(circle at 70% 60%, transparent 0, transparent 38%, var(--line) 38.5%, transparent 39.5%),
    radial-gradient(circle at 70% 60%, transparent 0, transparent 30%, var(--line) 30.5%, transparent 31.5%);
  opacity: 0.9;
}

.bz-hero-inner {
  position: relative;
  z-index: 1;
}

.bz-hero .display {
  font-size: clamp(42px, 6.4vw, 96px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  background: linear-gradient(92deg, var(--ink) 20%, var(--accent) 60%, var(--accent3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 8px;
}

.bz-hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.bz-hero-stat {
  min-width: 140px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg);
  box-shadow: 0 8px 24px rgba(6, 20, 27, 0.06);
}

.bz-hs-num {
  font-size: 42px;
  color: var(--accent);
  line-height: 1;
}

.bz-hs-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
}

/* ============ 顶栏 + 分类筛选 ============ */
.bz-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 22px;
}

.bz-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.22s;
}

.bz-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.bz-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.bz-btn.primary:hover:not(:disabled) {
  filter: brightness(1.08);
  color: var(--accent-ink);
}

.bz-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.bz-my-stats {
  margin-left: auto;
}

.bz-stats-pill {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 700;
}

.bz-stats-pill.bz-banned {
  background: var(--fill-loss);
  color: #d32f2f;
}

/* 分类筛选 chips */
.bz-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 24px;
}

.bz-chip {
  padding: 9px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.22s;
}

.bz-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.bz-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* ============ 卡片流 ============ */
.bz-feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
}

.bz-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px 26px;
  background: var(--bg);
  cursor: pointer;
  transition: all 0.25s;
}

.bz-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 18px;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  opacity: 0;
  transition: opacity 0.25s;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.bz-card:hover {
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(6, 20, 27, 0.12);
}

.bz-card:hover::before {
  opacity: 1;
}

.bz-card.pinned {
  border-color: var(--accent2);
  box-shadow: 0 8px 26px rgba(176, 102, 22, 0.12);
}

.bz-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.bz-card-author {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 600;
  min-width: 0;
}

.bz-card-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.bz-level {
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent2-soft), var(--accent-soft));
  color: var(--accent2);
  font-size: 11.5px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.bz-card-title {
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
}

.bz-card-summary {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  flex: 1;
}

.bz-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 领域标签：大类 · 细分 */
.bz-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.bz-card-foot {
  display: flex;
  gap: 18px;
  font-size: 12px;
  color: var(--ink-faint);
}

.bz-like.liked {
  color: #d32f2f;
}

.bz-time {
  margin-left: auto;
}

.bz-arrow {
  margin-left: 2px;
  color: var(--ink-faint);
  transition: transform 0.25s, color 0.25s;
}

.bz-card:hover .bz-arrow {
  transform: translateX(5px);
  color: var(--accent);
}

/* 置顶徽章 */
.bz-pin-badge {
  position: absolute;
  top: -11px;
  right: 18px;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--accent2);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 12px rgba(176, 102, 22, 0.35);
}

/* 管理员操作行（置顶 / 删除） */
.bz-card-admin {
  display: flex;
  gap: 8px;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  margin-top: 2px;
}

.bz-admin-btn {
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.bz-admin-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.bz-admin-btn.danger:hover:not(:disabled) {
  border-color: #d32f2f;
  color: #d32f2f;
}

.bz-admin-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.bz-empty {
  text-align: center;
  color: var(--ink-faint);
  padding: 60px 0;
  font-size: 14px;
  grid-column: 1 / -1;
}

.bz-loading {
  text-align: center;
  color: var(--ink-faint);
  padding: 50px 0;
  grid-column: 1 / -1;
}

/* ============ 分步表单 ============ */
.bz-steps {
  display: flex;
  gap: 8px;
  margin: 24px 0 18px;
  flex-wrap: wrap;
}

.bz-step {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.bz-step.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.bz-step.preview {
  border-radius: 10px;
}

.bz-form-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bz-hint {
  font-size: 13px;
  line-height: 1.8;
  color: var(--accent2);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--accent2-soft);
}

.bz-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.bz-field-label {
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 600;
  line-height: 1.6;
}

.bz-textarea {
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.8;
  outline: none;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.bz-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.bz-write-nav {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 20px;
}

/* 预览 */
.bz-preview-block {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  background: var(--bg);
  margin-bottom: 14px;
}

.bz-preview-title {
  font-size: 15px;
  margin-bottom: 10px;
  color: var(--ink);
}

.bz-preview-item {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 6px;
  word-break: break-word;
}

.bz-preview-item b {
  color: var(--ink);
}

/* ============ 报告（宽版双栏） ============ */
.bz-report-score {
  display: flex;
  align-items: baseline;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 28px;
  background: var(--bg);
  margin: 22px 0;
}

.bz-total {
  font-size: 56px;
  color: var(--accent);
  line-height: 1;
}

.bz-total-label {
  font-size: 13px;
  color: var(--ink-soft);
}

.bz-level-badge {
  margin-left: auto;
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--accent2-soft);
  color: var(--accent2);
  font-weight: 700;
  font-size: 14px;
}

.bz-report-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.bz-report-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.bz-dims {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.bz-report-grid .bz-dims {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.bz-dim {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  background: var(--bg);
}

.bz-dim-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.bz-dim-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.bz-dim-score {
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
}

.bz-dim-bar {
  height: 7px;
  border-radius: 999px;
  background: var(--bg-soft);
  overflow: hidden;
  margin-bottom: 8px;
}

.bz-dim-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent3));
}

.bz-dim-comment {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.bz-report-block {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  background: var(--bg);
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink);
  margin-bottom: 16px;
}

.bz-report-side .bz-report-block {
  margin-bottom: 0;
}

.bz-block-title {
  font-size: 15px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.bz-comp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.bz-comp {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.bz-comp h4 {
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 4px;
}

.bz-report-actions {
  position: sticky;
  bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 18px 0;
  background: linear-gradient(transparent, var(--bg) 40%);
  margin-top: 20px;
}

/* 无效内容：警告横幅 + 0 分卡 + 锁定的发布按钮 */
.bz-empty-banner {
  margin: 22px 0 0;
  padding: 16px 22px;
  border: 1px solid rgba(211, 47, 47, 0.45);
  border-radius: 14px;
  background: var(--fill-loss);
  color: #d32f2f;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.9;
}

.bz-report-score.bz-zero {
  border-color: rgba(211, 47, 47, 0.4);
}

.bz-report-score.bz-zero .bz-total {
  color: #d32f2f;
}

.bz-btn-locked {
  opacity: 0.55;
  cursor: not-allowed;
}

.bz-publish-lock {
  font-size: 11.5px;
  color: #d32f2f;
}

/* ============ 人气榜（颁奖台） ============ */
.bz-formula {
  margin: 18px 0 10px;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13.5px;
  font-weight: 700;
  text-align: center;
}

.bz-countdown {
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-faint);
  margin-bottom: 18px;
}

/* 前三名颁奖台：银-金-铜，第一名居中最高 */
.bz-podium {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 22px;
  margin: 30px 0 34px;
  flex-wrap: wrap;
}

.bz-pod {
  flex: 1;
  min-width: 220px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.bz-pod-medal {
  font-size: 46px;
  line-height: 1;
  filter: drop-shadow(0 6px 14px rgba(6, 20, 27, 0.2));
}

.bz-pod-block {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px 18px 0 0;
  background: var(--bg-soft);
  padding: 22px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  text-align: center;
}

.bz-pod-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.5;
}

.bz-pod-title:hover {
  color: var(--accent);
}

.bz-pod-pop {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.bz-pod-meta {
  font-size: 11.5px;
  color: var(--ink-faint);
}

.bz-pod-step {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0 0 14px 14px;
  color: #fff;
  font-size: 26px;
  font-weight: 800;
  font-family: inherit;
}

.bz-pod-step.step-1 {
  height: 130px;
  background: linear-gradient(180deg, #f6c453, #d69a2d);
  box-shadow: 0 10px 30px rgba(214, 154, 45, 0.35);
}

.bz-pod-step.step-2 {
  height: 92px;
  background: linear-gradient(180deg, #ccd5dc, #96a3af);
  box-shadow: 0 10px 26px rgba(150, 163, 175, 0.3);
}

.bz-pod-step.step-3 {
  height: 68px;
  background: linear-gradient(180deg, #dc9f66, #b0713f);
  box-shadow: 0 10px 26px rgba(176, 113, 63, 0.3);
}

.bz-pod-1 .bz-pod-block {
  border-color: rgba(214, 154, 45, 0.5);
  background: linear-gradient(180deg, rgba(246, 196, 83, 0.16), rgba(246, 196, 83, 0.05));
}

.bz-pod-2 .bz-pod-block {
  border-color: rgba(150, 163, 175, 0.5);
  background: linear-gradient(180deg, rgba(204, 213, 220, 0.14), rgba(204, 213, 220, 0.04));
}

.bz-pod-3 .bz-pod-block {
  border-color: rgba(176, 113, 63, 0.5);
  background: linear-gradient(180deg, rgba(220, 159, 102, 0.14), rgba(220, 159, 102, 0.04));
}

/* 4-10 名：正常排名列表 */
.bz-rank-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 900px;
  margin: 0 auto;
}

.bz-rank-item {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  background: var(--bg);
}

.bz-rank-no {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 700;
}

.bz-rank-main {
  flex: 1;
  min-width: 0;
}

.bz-rank-main a {
  font-size: 14.5px;
  color: var(--ink);
  text-decoration: none;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bz-rank-main a:hover {
  color: var(--accent);
}

.bz-rank-pop {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.bz-rank-meta {
  font-size: 11.5px;
  color: var(--ink-faint);
}

/* ============ 详情（宽版：主文 + 侧栏） ============ */
.bz-back {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--ink-faint);
  text-decoration: none;
}

.bz-back:hover {
  color: var(--accent);
}

.bz-detail-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 20px 0;
}

.bz-like-btn {
  padding: 11px 24px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.22s;
}

.bz-like-btn.liked {
  border-color: #d32f2f;
  color: #d32f2f;
  background: rgba(211, 47, 47, 0.08);
}

.bz-like-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bz-views {
  font-size: 13px;
  color: var(--ink-faint);
}

.bz-admin-actions {
  display: inline-flex;
  gap: 8px;
  margin-left: auto;
}

.bz-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 20px;
  align-items: start;
}

.bz-detail-main {
  min-width: 0;
}

.bz-detail-main .bz-report-block {
  margin-bottom: 16px;
}

/* 侧栏作者卡 */
.bz-detail-rail {
  position: sticky;
  top: 110px;
}

.bz-rail-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 22px;
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.bz-rail-avatar {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-soft);
}

.bz-rail-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.bz-rail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.bz-rail-stats {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  width: 100%;
}

.bz-rail-pinned {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent2);
}

.bz-rail-note {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}

.bz-author-only {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 2px 10px;
}

.bz-detail-item {
  border-top: 1px dashed var(--line);
  padding: 10px 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.bz-detail-item b {
  color: var(--ink);
}

/* ============ 警告页 ============ */
.bz-warning-card {
  border: 1px solid rgba(211, 47, 47, 0.4);
  border-radius: 18px;
  padding: 36px 30px;
  background: var(--bg);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  max-width: 720px;
  margin: 0 auto;
}

.bz-warn-icon {
  font-size: 40px;
}

.bz-warn-text {
  font-size: 14.5px;
  line-height: 1.9;
  color: #d32f2f;
}

.bz-warn-count {
  font-size: 14px;
  color: var(--ink-soft);
}

.bz-warn-strong {
  font-size: 14px;
  font-weight: 700;
  color: #d32f2f;
}

/* ============ AI 全屏加载动画（全屏覆盖，非弹窗） ============ */
.ai-loading {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  animation: ai-fade-in 0.3s ease;
  transition: opacity 0.4s ease;
}

.ai-loading.done {
  opacity: 0;
}

@keyframes ai-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.ai-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 40px;
  width: min(520px, 92vw);
}

.ai-stage-bg {
  position: absolute;
  inset: -160px;
  pointer-events: none;
  background:
    radial-gradient(520px 300px at 28% 18%, var(--accent-soft), transparent 62%),
    radial-gradient(460px 280px at 76% 82%, var(--accent2-soft), transparent 60%);
}

/* logo + 三层环绕光环 */
.ai-core {
  position: relative;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.ai-logo {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  box-shadow: 0 12px 44px rgba(6, 20, 27, 0.25);
  animation: ai-breathe 1.8s ease-in-out infinite;
}

@keyframes ai-breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

.ai-halo {
  position: absolute;
  border-radius: 50%;
}

.ai-halo.h1 {
  inset: 0;
  border: 1px dashed var(--accent);
  animation: ai-spin 7s linear infinite;
}

.ai-halo.h2 {
  inset: 15px;
  border: 1px dashed var(--accent3);
  opacity: 0.6;
  animation: ai-spin-rev 4.6s linear infinite;
}

.ai-halo.h3 {
  inset: 31px;
  border: 1px solid var(--accent2);
  opacity: 0.3;
  animation: ai-spin 3.2s linear infinite;
}

@keyframes ai-spin {
  to { transform: rotate(360deg); }
}

@keyframes ai-spin-rev {
  to { transform: rotate(-360deg); }
}

.ai-title {
  position: relative;
  font-size: clamp(22px, 3.2vw, 32px);
  text-align: center;
}

.ai-tip {
  position: relative;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  min-height: 18px;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.ai-progress {
  position: relative;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  overflow: hidden;
}

.ai-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent3), var(--accent2));
  background-size: 200% 100%;
  animation: ai-gradient 2s linear infinite;
  transition: width 0.45s ease;
}

@keyframes ai-gradient {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

.ai-progress-meta {
  position: relative;
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 11px;
  color: var(--ink-faint);
}

.ai-dots {
  display: flex;
  gap: 5px;
}

.ai-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
  transition: all 0.3s;
}

.ai-dots span.on {
  background: var(--accent);
}

/* ============ 详情页：摘要与整合文章 ============ */
.bz-article-summary {
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-soft);
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  border-radius: 8px;
}

.bz-article {
  font-size: 14.5px;
  line-height: 2.1;
  color: var(--ink);
  word-break: break-word;
}

/* ============ 撰写页顶部（返回 + 保存草稿箱） ============ */
.bz-write-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.bz-write-top .bz-back {
  margin-bottom: 0;
}

.bz-btn-sm {
  padding: 8px 16px;
  font-size: 12.5px;
}

/* ============ 草稿箱 / 消息面板 ============ */
.bz-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg-soft);
  padding: 20px 22px;
  margin: 0 0 24px;
}

.bz-panel-head {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}

.bz-panel-empty,
.bz-panel-loading {
  text-align: center;
  color: var(--ink-faint);
  font-size: 13.5px;
  padding: 26px 0;
}

.bz-draft-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bz-draft-item {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  background: var(--bg);
  transition: border-color 0.2s;
}

.bz-draft-item:hover {
  border-color: var(--accent);
}

.bz-draft-icon {
  font-size: 22px;
}

.bz-draft-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bz-draft-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bz-draft-title:hover {
  color: var(--accent);
}

.bz-draft-time {
  font-size: 11.5px;
  color: var(--ink-faint);
}

/* 消息栏 */
.bz-msg-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #d32f2f;
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
}

.bz-msg-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bz-msg {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  background: var(--bg);
}

.bz-msg.unread {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.bz-msg-icon {
  font-size: 18px;
  flex-shrink: 0;
  padding-top: 1px;
}

.bz-msg-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.bz-msg-text {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
}

.bz-msg-time {
  font-size: 11px;
  color: var(--ink-faint);
}

.bz-msg-go {
  color: var(--ink-faint);
  text-decoration: none;
  font-size: 15px;
  padding: 2px 4px;
  flex-shrink: 0;
}

.bz-msg-go:hover {
  color: var(--accent);
}

/* ============ 警告页（申诉） ============ */
.bz-warn-reason {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  padding: 12px 18px;
  background: var(--bg);
}

.bz-warn-reason-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}

.bz-warn-cat {
  font-size: 13.5px;
  font-weight: 700;
  color: #d32f2f;
}

.bz-warn-word {
  font-size: 13px;
  color: var(--ink-soft);
}

.bz-warn-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.bz-warn-appeal-note {
  font-size: 12px;
  color: var(--accent);
  min-height: 16px;
}

/* ============ 全站 logo 加载遮罩（与首屏 boot-loading 同款动画） ============ */
.page-loading {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  animation: pl-fade-in 0.2s ease;
  transition: opacity 0.3s ease;
}

@keyframes pl-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.page-loading-inner img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  animation: pl-pulse 1.4s ease-in-out infinite;
}

@keyframes pl-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.94); }
}

.page-loading-text {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
}

/* ============ 响应式 ============ */
/* ============ 平板适配 ============ */
@media (max-width: 1100px) {
  .bz-detail-grid {
    grid-template-columns: 1fr;
  }

  .bz-detail-rail {
    position: static;
  }

  .bz-report-grid {
    grid-template-columns: 1fr;
  }

  .bz-hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .bz-hero-stats {
    width: 100%;
  }

  .bz-feed {
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  }

  .bz-comp-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============ 手机适配 ============ */
@media (max-width: 700px) {
  .bz-page {
    padding: 110px 0 80px;
  }

  .bz-shell {
    padding: 0 16px;
  }

  .bz-hero {
    border-radius: 20px;
    padding: 28px 20px;
    margin-bottom: 20px;
  }

  .bz-hero .display {
    font-size: clamp(32px, 9.5vw, 44px);
  }

  .bz-sub {
    font-size: 13px;
  }

  .bz-hero-stats {
    gap: 8px;
  }

  .bz-hero-stat {
    min-width: 0;
    flex: 1;
    padding: 12px 14px;
    border-radius: 12px;
    align-items: center;
    text-align: center;
  }

  .bz-hs-num {
    font-size: 26px;
  }

  .bz-hs-label {
    font-size: 10px;
    letter-spacing: 0.06em;
  }

  .bz-topbar {
    gap: 8px;
  }

  .bz-topbar .bz-btn {
    padding: 9px 14px;
    font-size: 12.5px;
  }

  .bz-my-stats {
    margin-left: 0;
    width: 100%;
    text-align: center;
  }

  /* 分类 chips：横向滑动不换行 */
  .bz-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    margin: 0 -4px 18px;
    padding: 0 4px;
  }

  .bz-filters::-webkit-scrollbar {
    display: none;
  }

  .bz-chip {
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 12.5px;
  }

  .bz-feed {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .bz-card {
    padding: 20px 18px;
  }

  .bz-card-title {
    font-size: 15.5px;
  }

  .bz-card-foot {
    gap: 10px;
    flex-wrap: wrap;
  }

  .bz-time {
    margin-left: 0;
    width: 100%;
  }

  /* 草稿箱 / 消息面板 */
  .bz-panel {
    padding: 16px 14px;
  }

  .bz-draft-item {
    flex-wrap: wrap;
    gap: 10px;
  }

  .bz-draft-main {
    flex: 1 1 60%;
  }

  .bz-msg {
    padding: 10px 12px;
  }

  .bz-msg-text {
    font-size: 12.5px;
  }

  /* 颁奖台：三座并排压缩 */
  .bz-podium {
    gap: 8px;
    margin: 20px 0 26px;
  }

  .bz-pod {
    min-width: 0;
    gap: 8px;
  }

  .bz-pod-medal {
    font-size: 30px;
  }

  .bz-pod-block {
    padding: 14px 10px 12px;
    border-radius: 12px 12px 0 0;
  }

  .bz-pod-title {
    font-size: 12px;
  }

  .bz-pod-pop {
    font-size: 15px;
  }

  .bz-pod-meta {
    font-size: 10px;
  }

  .bz-pod-step {
    font-size: 18px;
  }

  .bz-pod-step.step-1 { height: 84px; }
  .bz-pod-step.step-2 { height: 62px; }
  .bz-pod-step.step-3 { height: 46px; }

  .bz-rank-item {
    padding: 12px 14px;
    gap: 10px;
    flex-wrap: wrap;
  }

  .bz-rank-meta {
    width: 100%;
    text-align: right;
  }

  /* 报告页 */
  .bz-report-score {
    flex-wrap: wrap;
    padding: 20px;
  }

  .bz-level-badge {
    margin-left: 0;
  }

  .bz-comp-grid {
    grid-template-columns: 1fr;
  }

  .bz-report-actions {
    flex-direction: column;
    align-items: stretch;
  }

  /* 详情页 */
  .bz-detail-actions {
    flex-wrap: wrap;
  }

  .bz-admin-actions {
    margin-left: 0;
    width: 100%;
  }

  .bz-rail-card {
    padding: 20px 16px;
  }

  .bz-detail-main .bz-report-block {
    padding: 16px;
  }

  /* 警告页 */
  .bz-warning-card {
    padding: 26px 18px;
  }

  .bz-warn-actions {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
  }

  .bz-warn-actions .bz-btn {
    justify-content: center;
  }

  /* 撰写页 */
  .bz-write-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .bz-form-card {
    padding: 18px 16px;
  }

  .bz-write-nav {
    flex-wrap: wrap;
  }
}