/* ============================================
   创小翌AI · 智能问答页（ai- 前缀，仅 ai.html 使用）
   布局：页面一屏铺满、无页面滚动条；仅消息区内部滚动
   ============================================ */

/* ---- 单滚动条应用式布局（body.ai-page 仅本页） ---- */
.ai-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(21, 176, 237, 0.07), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 100%, rgba(14, 143, 192, 0.05), transparent 60%),
    #f4f9fc;
}

.ai-page .header {
  flex: none;
}

.ai-page .ai-section {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  margin-top: var(--header-height);   /* 固定 header 预留空间 */
  padding: 24px 0 18px;
}

.ai-legal-footer {
  flex: none;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 0 20px 14px;
  color: rgba(15, 47, 63, 0.55);
  font-size: 12px;
  line-height: 1.5;
}

.ai-icp-link {
  color: rgba(15, 47, 63, 0.62);
  text-decoration: none;
  transition: color var(--transition), text-decoration-color var(--transition);
}

.ai-icp-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-decoration-color: rgba(21, 176, 237, 0.6);
  text-underline-offset: 3px;
}

.ai-icp-link:focus-visible {
  color: var(--color-primary-dark);
  outline: 2px solid rgba(21, 176, 237, 0.55);
  outline-offset: 3px;
}

.ai-page .ai-wrap {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  max-width: 960px;      /* 聊天窗口固定最大宽度，居中 */
  width: 100%;
  margin: 0 auto;
}

/* ---- 聊天主容器 ---- */
.ai-chat {
  flex: 1;
  min-height: 0;
  background: #fff;
  border-radius: var(--radius-lg, 16px);
  border: 1px solid rgba(21, 176, 237, 0.1);
  box-shadow: 0 12px 40px rgba(15, 47, 63, 0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ---- 聊天头部（精致版） ---- */
.ai-chat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-bottom: 1px solid rgba(21, 176, 237, 0.14);
  background:
    linear-gradient(120deg, rgba(21, 176, 237, 0.1), rgba(14, 143, 192, 0.03) 55%, rgba(21, 176, 237, 0.08));
  flex: none;
}

.ai-head-avatar {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: linear-gradient(135deg, var(--color-primary), #0e8fc0);
  box-shadow: 0 4px 14px rgba(21, 176, 237, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.ai-head-info {
  min-width: 0;
}

.ai-head-name {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-head-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(21, 176, 237, 0.1);
  border: 1px solid rgba(21, 176, 237, 0.3);
  border-radius: 999px;
  padding: 2px 10px;
  letter-spacing: 0;
}

.ai-head-status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
  font-size: 12px;
  color: var(--color-text-secondary, #5b7280);
}

.ai-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
  animation: ai-dot-breathe 2s ease-in-out infinite;
}

@keyframes ai-dot-breathe {
  0%, 100% { box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25); }
  50% { box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.08); }
}

.ai-head-right {
  margin-left: auto;
  flex: none;
  font-size: 12px;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(21, 176, 237, 0.25);
  border-radius: 999px;
  padding: 5px 14px;
  letter-spacing: 1px;
}

/* ---- 消息区（唯一滚动区） ---- */
.ai-messages {
  flex: 1;
  min-height: 0;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

.ai-msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.ai-msg-user {
  flex-direction: row-reverse;
}

.ai-avatar {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: linear-gradient(135deg, rgba(21, 176, 237, 0.15), rgba(14, 143, 192, 0.1));
  border: 1px solid rgba(21, 176, 237, 0.3);
}

.ai-msg-user .ai-avatar {
  background: rgba(15, 47, 63, 0.06);
  border-color: rgba(15, 47, 63, 0.12);
}

.ai-bubble {
  max-width: 78%;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--color-dark);
  background: #f3f8fb;
  border: 1px solid rgba(21, 176, 237, 0.12);
  word-break: break-word;
}

.ai-msg-user .ai-bubble {
  background: linear-gradient(135deg, var(--color-primary), #0e8fc0);
  color: #fff;
  border: none;
  border-radius: 14px 4px 14px 14px;
}

.ai-msg-bot .ai-bubble {
  border-radius: 4px 14px 14px 14px;
}

.ai-bubble .ai-text strong {
  color: var(--color-primary);
}

.ai-msg-user .ai-bubble .ai-text strong {
  color: #fff;
}

/* 流式光标 */
.ai-cursor::after {
  content: '▋';
  color: var(--color-primary);
  animation: ai-blink 0.8s infinite;
}

@keyframes ai-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 「正在思考」动效 */
.ai-thinking {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted, #8aa3b0);
  font-size: 13.5px;
}

.ai-thinking-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: ai-pulse 1s ease-in-out infinite;
}

@keyframes ai-pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.5); opacity: 1; }
}

/* 推荐问题（位于消息区内、欢迎语下方） */
.ai-suggests {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 0 4px 46px;   /* 与气泡左对齐（头像36 + 间距10） */
  flex: none;
}

.ai-suggests-label {
  width: 100%;
  font-size: 12px;
  color: var(--color-text-muted, #8aa3b0);
  margin-bottom: 2px;
}

.ai-suggest-btn {
  border: 1px solid rgba(21, 176, 237, 0.35);
  background: #fff;
  color: var(--color-dark);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.ai-suggest-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(21, 176, 237, 0.06);
}

/* ---- 输入区 ---- */
.ai-inputbar {
  display: flex;
  gap: 10px;
  padding: 12px 20px;
  border-top: 1px solid rgba(15, 47, 63, 0.08);
  background: #fff;
  align-items: flex-end;
  flex: none;
}

.ai-inputbar textarea {
  flex: 1;
  border: 1px solid rgba(15, 47, 63, 0.15);
  border-radius: 12px;
  padding: 11px 14px;
  font-size: 14px;
  font-family: inherit;
  line-height: 1.5;
  resize: none;
  max-height: 120px;
  outline: none;
  transition: border-color 0.2s;
}

.ai-inputbar textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(21, 176, 237, 0.12);
}

.ai-inputbar .btn {
  flex: none;
  padding: 11px 26px;
  border-radius: 12px;
}

.ai-inputbar .btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.ai-tip {
  flex: none;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-muted, #8aa3b0);
  margin-top: 10px;
  margin-bottom: 0;
}

/* ---- 响应式 ---- */
@media (max-width: 767px) {
  .ai-page .ai-section {
    padding: 12px 0 10px;
  }

  .ai-messages {
    padding: 14px;
  }

  .ai-bubble {
    max-width: 86%;
    font-size: 14px;
  }

  .ai-suggests {
    padding-left: 0;
  }

  .ai-inputbar {
    padding: 10px 12px;
  }

  .ai-inputbar .btn {
    padding: 10px 16px;
  }
}

/* ---- 「查看图文指南」链接卡片 ---- */
.ai-source-link {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid rgba(21, 176, 237, 0.35);
  background: rgba(21, 176, 237, 0.05);
  border-radius: 10px;
  font-size: 13px;
  color: var(--color-primary);
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}

.ai-source-link:hover {
  background: rgba(21, 176, 237, 0.12);
  border-color: var(--color-primary);
}

.ai-source-link .ai-source-link-title {
  flex: 1;
  min-width: 0;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ai-source-link .ai-source-link-meta {
  flex: none;
  font-size: 11.5px;
  color: var(--color-text-muted, #8aa3b0);
}

/* ---- 来源类型徽章（产品说明书 / 常见问题，2026-08-11 双入口改造） ---- */
.ai-source-type {
  flex: none;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
  color: #fff;
  background: var(--color-primary-dark, #0e8fc0);
  line-height: 1.5;
}

.ai-source-type.faq {
  background: #d97706;
}

/* ---- 头部「切换产品」按钮 ---- */
.ai-switch-btn {
  border: 1px solid var(--color-border-tint, #d4eefb);
  background: #fff;
  color: var(--color-primary-dark, #0e8fc0);
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s;
}

.ai-switch-btn:hover {
  background: rgba(21, 176, 237, 0.08);
}

/* ---- 产品入口选择卡片（2026-08-11 双入口改造） ---- */
.ai-entry-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 4px 0 18px 46px;   /* 与气泡左对齐（头像36 + 间距10） */
}

.ai-entry-card {
  border: 1px solid var(--color-border-tint, #d4eefb);
  border-radius: 14px;
  padding: 20px;
  background: #fff;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.ai-entry-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.ai-entry-logo {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.ai-entry-logo-ys {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark, #0e8fc0));
}

.ai-entry-logo-u8 {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.ai-entry-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-heading, #0f2f3f);
}

.ai-entry-tag {
  font-size: 12px;
  color: var(--color-text-muted, #9ca3af);
  margin-top: 2px;
}

.ai-entry-desc {
  font-size: 13px;
  color: var(--color-text, #5f5d5d);
  line-height: 1.7;
  margin-bottom: 14px;
}

/* 「点选咨询内容」提示行 */
.ai-entry-pick {
  font-size: 12px;
  color: var(--color-text-muted, #9ca3af);
  margin-bottom: 8px;
}

.ai-entry-kb {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ai-kb-chip {
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 10px;
  background: rgba(21, 176, 237, 0.08);
  color: var(--color-primary-dark, #0e8fc0);
}

.ai-kb-chip.faq {
  background: rgba(245, 158, 11, 0.12);
  color: #b45309;
}

/* 可点击的子入口按钮（2026-08-12：明确可点性） */
.ai-kb-chip-btn {
  border: 1px solid rgba(21, 176, 237, 0.45);
  cursor: pointer;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
}

.ai-kb-chip-btn .ai-kb-chip-arrow {
  font-weight: 700;
  transition: transform 0.15s;
}

.ai-kb-chip-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(21, 176, 237, 0.35);
}

.ai-kb-chip-btn:hover .ai-kb-chip-arrow {
  transform: translateX(3px);
}

.ai-kb-chip-btn.faq {
  border-color: rgba(245, 158, 11, 0.5);
}

.ai-kb-chip-btn.faq:hover {
  background: #f59e0b;
  border-color: #f59e0b;
  color: #fff;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

@media (max-width: 767px) {
  .ai-entry-cards {
    grid-template-columns: 1fr;
    margin-left: 0;
  }
}

/* ---- 文章弹窗（含操作截图） ---- */
.ai-article-mask {
  position: fixed;
  inset: 0;
  background: rgba(15, 47, 63, 0.55);
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.ai-article-mask.open {
  display: flex;
}

.ai-article-modal {
  position: relative;
  width: min(860px, 94vw);
  max-height: 88vh;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ai-article-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 47, 63, 0.6);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

.ai-article-body {
  overflow-y: auto;
  padding: 28px 32px 36px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--color-dark);
}

.ai-article-body h1 {
  font-size: 20px;
  line-height: 1.5;
  margin: 0 40px 12px 0;
  color: var(--color-dark);
}

.ai-article-body h2 {
  font-size: 16.5px;
  margin: 22px 0 10px;
  padding-left: 10px;
  border-left: 4px solid var(--color-primary);
}

.ai-article-body h3 {
  font-size: 15px;
  margin: 18px 0 8px;
}

.ai-article-body p {
  margin: 8px 0;
}

.ai-article-body blockquote {
  margin: 0 0 14px;
  padding: 10px 14px;
  background: rgba(21, 176, 237, 0.06);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 8px 8px 0;
  font-size: 12.5px;
  color: var(--color-text-secondary, #5b7280);
  word-break: break-all;
}

.ai-article-body img {
  display: block;
  max-width: 100%;
  margin: 12px auto;
  border-radius: 8px;
  border: 1px solid rgba(15, 47, 63, 0.1);
  box-shadow: 0 4px 16px rgba(15, 47, 63, 0.08);
}

.ai-article-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 12px 0;
  font-size: 13px;
}

.ai-article-body th,
.ai-article-body td {
  border: 1px solid rgba(15, 47, 63, 0.15);
  padding: 8px 10px;
  text-align: left;
}

.ai-article-body th {
  background: rgba(21, 176, 237, 0.08);
}

.ai-article-body ul,
.ai-article-body ol {
  padding-left: 22px;
  margin: 8px 0;
}

.ai-article-body a {
  color: var(--color-primary);
}

@media (max-width: 767px) {
  .ai-article-body {
    padding: 20px 16px 28px;
  }
}

/* ---- 头像内 SVG 图标 ---- */
.ai-head-avatar svg {
  width: 24px;
  height: 24px;
  color: #fff;
}

.ai-avatar svg {
  width: 19px;
  height: 19px;
}

.ai-avatar-bot {
  background: linear-gradient(135deg, rgba(21, 176, 237, 0.12), rgba(14, 143, 192, 0.06));
  border-color: rgba(21, 176, 237, 0.3);
  color: var(--color-primary);
}

.ai-msg-user .ai-avatar {
  color: var(--color-text-secondary, #5b7280);
}