:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e5e8ec;
  --text: #1f2937;
  --text-sub: #6b7280;
  --primary: #1a5fb4;
  --primary-soft: #eaf2fc;
  --accent: #c2410c;
  --user-bubble: #1a5fb4;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

.app { display: flex; height: 100vh; }

/* ========== 侧边栏 ========== */
.sidebar {
  width: 260px; min-width: 260px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 14px;
  overflow: hidden;
}
.logo { display: flex; align-items: center; gap: 10px; padding: 6px 6px 14px; }
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, #1a5fb4, #26a269);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.logo-title { font-weight: 700; font-size: 15px; }
.logo-sub { font-size: 11px; color: var(--text-sub); }

.section-label { font-size: 11px; color: var(--text-sub); padding: 8px 6px; font-weight: 600; }

.agent-list { flex: 1 1 0; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; }
.agent-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 9px; border-radius: 9px; cursor: pointer;
  transition: background .15s;
  margin-bottom: 2px;
}
.agent-item:hover { background: #f0f3f7; }
.agent-item.active { background: var(--primary-soft); }
.agent-item .a-icon { font-size: 17px; width: 22px; text-align: center; }
.agent-item .a-info { flex: 1; min-width: 0; }
.agent-item .a-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.agent-item .a-no { font-size: 10px; color: var(--text-sub); }
.pill {
  font-size: 9px; padding: 1px 5px; border-radius: 99px; font-weight: 700;
}
.pill.p0 { background: #fde8e8; color: #b91c1c; }
.pill.p1 { background: #fef3c7; color: #b45309; }
.pill.p2 { background: #e0f2fe; color: #0369a1; }

.sidebar-bottom { flex-shrink: 0; max-height: 62vh; overflow-y: auto; overscroll-behavior: contain; border-top: 1px solid var(--border); padding-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.btn-ghost {
  background: none; border: 1px solid var(--border); border-radius: 8px;
  padding: 7px; font-size: 13px; cursor: pointer; color: var(--text);
}
.btn-ghost:hover { background: #f0f3f7; }
.mode-badge {
  font-size: 11px; text-align: center; padding: 6px; border-radius: 8px;
  background: #f0f3f7; color: var(--text-sub);
}
.mode-badge.llm-on { background: #e7f6ec; color: #15803d; }

/* ========== 侧边栏用户信息卡 ========== */
.user-card {
  display: flex; align-items: center; gap: 9px;
  border: 1px solid var(--border); border-radius: 10px;
  background: #f8fafc; padding: 8px 9px; margin-top: 2px;
}
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #1a5fb4, #26a269);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff; flex: none;
}
.user-info { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.user-name {
  font-size: 12.5px; font-weight: 700; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.user-role-tag {
  align-self: flex-start; font-size: 10px; font-weight: 700;
  border-radius: 99px; padding: 1px 7px; letter-spacing: .3px;
}
.user-role-tag.admin { background: #dff5e4; color: #15803d; }
.user-role-tag.tenant-admin { background: var(--primary-soft); color: var(--primary); }
.user-role-tag.staff { background: #eef0f3; color: #6b7280; }

/* ========== 主区域 ========== */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  background: var(--panel); border-bottom: 1px solid var(--border);
  padding: 12px 20px; display: flex; align-items: center;
}
.ca-icon { font-size: 20px; margin-right: 10px; }
.ca-name { font-weight: 700; font-size: 15px; margin-right: 12px; }
.ca-desc { font-size: 12px; color: var(--text-sub); }

.chat-area { flex: 1; min-height: 0; overflow-y: auto; padding: 24px; }

.welcome { max-width: 780px; margin: 40px auto 0; text-align: center; }
.w-icon { font-size: 44px; }
.welcome h1 { font-size: 24px; margin: 10px 0 6px; }
.welcome p { color: var(--text-sub); font-size: 14px; }
.quick-grid {
  margin-top: 28px; display: grid;
  grid-template-columns: repeat(2, 1fr); gap: 12px; text-align: left;
}
.q-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; cursor: pointer; transition: box-shadow .15s, transform .15s;
}
.q-card:hover { box-shadow: 0 4px 14px rgba(0,0,0,.08); transform: translateY(-1px); }
.q-card .q-t { font-weight: 700; font-size: 13px; margin-bottom: 4px; }
.q-card .q-d { font-size: 12px; color: var(--text-sub); line-height: 1.5; }

/* 消息 */
.msg { max-width: 800px; margin: 0 auto 18px; display: flex; gap: 10px; }
.msg .avatar {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  background: var(--primary-soft);
}
.msg.user { flex-direction: row-reverse; }
.msg.user .avatar { background: #e8f0fe; }
.msg-body { min-width: 0; max-width: calc(100% - 50px); }
.msg .who { font-size: 11px; color: var(--text-sub); margin-bottom: 5px; }
.msg.user .who { text-align: right; }
.bubble {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 12px 15px; font-size: 14px; line-height: 1.75;
  overflow-wrap: break-word;
}
.msg.user .bubble { background: var(--user-bubble); border-color: var(--user-bubble); color: #fff; }

/* markdown 元素 */
.bubble h1, .bubble h2, .bubble h3 { font-size: 15px; margin: 12px 0 6px; }
.bubble h1 { font-size: 16px; }
.bubble p { margin: 6px 0; }
.bubble ul, .bubble ol { padding-left: 20px; margin: 6px 0; }
.bubble table { border-collapse: collapse; margin: 8px 0; width: 100%; font-size: 12.5px; }
.bubble th, .bubble td { border: 1px solid var(--border); padding: 5px 8px; text-align: left; }
.bubble th { background: #f5f7fa; }
.bubble code { background: #f0f3f7; padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
.bubble pre { background: #1f2937; color: #f9fafb; padding: 10px; border-radius: 8px; overflow-x: auto; margin: 8px 0; }
.bubble pre code { background: none; color: inherit; }
.bubble blockquote { border-left: 3px solid var(--primary); background: var(--primary-soft); padding: 8px 12px; border-radius: 0 8px 8px 0; margin: 8px 0; color: #334155; }
.bubble hr { border: none; border-top: 1px solid var(--border); margin: 10px 0; }

.cursor-blink::after { content: "▌"; animation: blink 1s infinite; color: var(--primary); }
@keyframes blink { 50% { opacity: 0; } }

.disclaimer {
  max-width: 800px; margin: 0 auto; padding: 6px 4px;
  font-size: 11px; color: #b45309; text-align: center;
}

.input-bar {
  max-width: 800px; width: calc(100% - 48px); margin: 4px auto 18px;
  display: flex; gap: 10px; align-items: flex-end;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 10px 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
}
.input-bar:focus-within { border-color: var(--primary); }
#input {
  flex: 1; border: none; outline: none; resize: none;
  font-size: 14px; font-family: inherit; line-height: 1.6;
  max-height: 160px; background: transparent;
}
.send-btn {
  width: 38px; height: 38px; border-radius: 10px; border: none;
  background: var(--primary); color: #fff; font-size: 16px; cursor: pointer;
}
.send-btn:disabled { background: #b9c6d6; cursor: not-allowed; }

/* ========== 弹窗 ========== */
.modal-mask {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.35);
  z-index: 50; align-items: center; justify-content: center;
}
.modal-mask.show { display: flex; }
.modal {
  width: min(720px, 92vw); max-height: 82vh; background: var(--panel);
  border-radius: 14px; display: flex; flex-direction: column; overflow: hidden;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-head h2 { font-size: 16px; }
.modal-close { background: none; border: none; font-size: 16px; cursor: pointer; color: var(--text-sub); }
.modal-body { padding: 16px 20px; overflow-y: auto; }
.kb-search { display: flex; gap: 8px; margin-bottom: 14px; }
.kb-search input {
  flex: 1; border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px;
  font-size: 13px; outline: none;
}
.kb-search input:focus { border-color: var(--primary); }
.kb-search button {
  border: none; background: var(--primary); color: #fff; border-radius: 8px;
  padding: 8px 16px; cursor: pointer; font-size: 13px;
}
.kb-doc { border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin-bottom: 8px; }
.kb-doc .kd-t { font-weight: 700; font-size: 13px; }
.kb-doc .kd-m { font-size: 11px; color: var(--text-sub); margin-top: 2px; }
.kb-hit { border-left: 3px solid var(--primary); background: #f8fafc; border-radius: 0 8px 8px 0; padding: 10px 14px; margin-bottom: 10px; }
.kb-hit .kh-s { font-size: 11px; color: var(--primary); font-weight: 700; margin-bottom: 4px; }
.kb-hit .kh-x { font-size: 12.5px; color: var(--text); white-space: pre-wrap; line-height: 1.6; }

/* ========== 登录遮罩 ========== */
.login-mask {
  display: none; position: fixed; inset: 0; z-index: 100;
  background: linear-gradient(135deg, #eef4fb 0%, #f6f7f9 100%);
  align-items: center; justify-content: center;
}
.login-mask.show { display: flex; }
.login-card {
  width: min(380px, 90vw); background: var(--panel); border-radius: 16px;
  padding: 36px 32px; text-align: center;
  box-shadow: 0 10px 40px rgba(26, 95, 180, .12);
}
.login-icon { font-size: 42px; }
.login-card h1 { font-size: 18px; margin: 12px 0 6px; }
.login-card p { font-size: 13px; color: var(--text-sub); margin-bottom: 20px; }
.login-card input {
  width: 100%; border: 1px solid var(--border); border-radius: 10px;
  padding: 11px 14px; font-size: 15px; outline: none; text-align: center;
  letter-spacing: 2px;
}
.login-card input:focus { border-color: var(--primary); }
.login-card button {
  width: 100%; margin-top: 12px; border: none; border-radius: 10px;
  background: var(--primary); color: #fff; font-size: 15px; padding: 11px;
  cursor: pointer;
}
.login-card button:disabled { background: #b9c6d6; }
.login-err { color: #b91c1c; font-size: 12.5px; margin-top: 10px; min-height: 18px; }
.login-tip { font-size: 11px; color: var(--text-sub); margin-top: 14px; }

/* 登录方式 Tab 与面板 */
.login-tabs {
  display: flex; gap: 6px; margin-bottom: 14px;
  background: #f3f6fa; border-radius: 10px; padding: 4px;
}
.login-tab {
  flex: 1; margin-top: 0; border: none; border-radius: 8px;
  background: transparent; color: var(--text-sub);
  font-size: 13px; padding: 8px 4px; cursor: pointer;
}
.login-tab.active { background: #fff; color: var(--primary); font-weight: 700; box-shadow: 0 1px 4px rgba(26,95,180,.12); }
.login-panel { display: none; }
.login-panel.active { display: block; }
.login-card.register-mode #loginTabs { display: none; }
.login-card.register-mode #passwordPanel,
.login-card.register-mode #smsPanel,
.login-card.register-mode #wechatPanel { display: none !important; }

.sms-phone-row { display: flex; gap: 8px; }
.sms-phone-row input { flex: 1; min-width: 0; }
.sms-send-btn {
  width: auto !important; margin-top: 0 !important; flex: none;
  background: var(--primary-soft) !important; color: var(--primary) !important;
  padding: 0 14px !important; font-size: 13px !important; white-space: nowrap;
}
.sms-send-btn:disabled { background: #eef1f5 !important; color: #9aa3af !important; }

.wx-qr-box {
  width: 220px; height: 220px; margin: 0 auto; border: 1px solid var(--border);
  border-radius: 12px; background: #fff; display: flex; align-items: center; justify-content: center;
}
.wx-qr-box img { width: 200px; height: 200px; }
.wx-qr-loading { font-size: 12px; color: var(--text-sub); }
.wx-qr-status { margin-top: 10px; font-size: 12.5px; color: var(--text-sub); }
.wx-qr-status.ok { color: #15803d; }
.wx-qr-status.err { color: #b91c1c; }
.wx-mock-btn { margin-top: 10px !important; }

/* ========== 顶栏扩展 ========== */
.menu-btn {
  display: none; background: none; border: 1px solid var(--border); border-radius: 8px;
  font-size: 17px; padding: 5px 10px; margin-right: 10px; cursor: pointer; color: var(--text);
}
.export-btn {
  margin-left: auto; background: none; border: 1px solid var(--border); border-radius: 8px;
  font-size: 12px; padding: 6px 12px; cursor: pointer; color: var(--text-sub);
}
.export-btn:hover { background: #f0f3f7; color: var(--text); }
.current-agent { display: flex; align-items: center; min-width: 0; }

/* ========== 图片附件 ========== */
.input-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.attach-wrap { display: flex; align-items: flex-end; }
.attach-btn {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border);
  background: none; font-size: 16px; cursor: pointer; color: var(--text-sub);
}
.attach-btn:hover { background: #f0f3f7; color: var(--primary); }
.attach-preview {
  display: flex; align-items: center; gap: 8px;
  background: var(--primary-soft); border-radius: 8px; padding: 5px 8px;
  font-size: 12px; color: var(--primary); max-width: 320px;
}
.attach-preview img { width: 34px; height: 34px; object-fit: cover; border-radius: 6px; }
.attach-preview span { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.attach-preview button { background: none; border: none; cursor: pointer; color: var(--text-sub); font-size: 13px; }
.bubble-img { max-width: 260px; max-height: 200px; border-radius: 8px; display: block; margin-bottom: 6px; }
.msg.user .bubble .bubble-img { border: 1px solid rgba(255,255,255,.3); }

/* ========== 知识溯源 chips ========== */
.src-chips { margin-top: 6px; font-size: 11.5px; display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.src-label { color: var(--text-sub); }
.src-chip {
  background: var(--primary-soft); color: var(--primary); border-radius: 99px;
  padding: 2px 10px; cursor: pointer; border: 1px solid transparent;
}
.src-chip:hover { border-color: var(--primary); }

/* ========== AI 回复反馈条 ========== */
.feedback-bar { margin-top: 6px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.feedback-btn {
  border: 1px solid var(--border); background: #f8fafc; color: #374151;
  border-radius: 8px; padding: 3px 9px; font-size: 11.5px; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.feedback-btn:hover { border-color: var(--primary); background: var(--primary-soft); }
.feedback-state { font-size: 11px; color: var(--text-sub); }

/* ========== 知识库管理 ========== */
.kb-admin { border: 1px dashed var(--primary); border-radius: 10px; padding: 10px 14px; margin-bottom: 12px; background: #f8fbff; }
.kb-admin-title { font-size: 12.5px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.kb-admin-row { display: flex; align-items: center; gap: 10px; }
.kb-admin-tip { font-size: 11.5px; color: var(--text-sub); }
.kd-del { float: right; background: none; border: none; cursor: pointer; font-size: 13px; opacity: .55; }
.kd-del:hover { opacity: 1; }

/* ========== 移动端适配 ========== */
.sidebar-mask {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 39;
}
.sidebar-mask.show { display: block; }

@media (max-width: 760px) {
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 40;
    width: 260px; min-width: 260px;
    transform: translateX(-100%); transition: transform .25s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,.15);
  }
  .sidebar.open { transform: translateX(0); }
  .menu-btn { display: block; }
  .ca-desc { display: none; }
  .quick-grid { grid-template-columns: 1fr; }
  .chat-area { padding: 14px; }
  .input-bar { width: calc(100% - 20px); margin-bottom: 10px; }
  .topbar { padding: 10px 12px; }
  .ca-name { font-size: 14px; margin-right: 6px; }
  .export-btn { padding: 5px 8px; font-size: 11px; }
}

/* ========== 账号登录 + TOTP + 用户管理 ========== */
.login-card input { margin-bottom: 10px; }
.login-card #loginUser { letter-spacing: 0; }
.login-mfa { border-top: 1px dashed var(--border); padding-top: 12px; margin-top: 4px; }
.mfa-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.mfa-enroll { text-align: center; margin-bottom: 8px; }
#mfaQr { width: 160px; height: 160px; margin: 0 auto 8px; display: block; border: 1px solid var(--border); border-radius: 8px; }
.mfa-secret { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 12px; color: var(--text-sub); margin-bottom: 6px; word-break: break-all; }
.mfa-secret b { color: var(--text); letter-spacing: 1px; }
.mfa-tip { font-size: 11px; color: var(--text-sub); margin-bottom: 8px; }
.mfa-code-row input { text-align: center; letter-spacing: 4px; font-size: 18px; }
.link-btn { background: none; border: none; color: var(--primary); cursor: pointer; font-size: 12px; padding: 0 4px; }
.link-btn.danger { color: #b91c1c; }
.role-pill { font-size: 11px; background: #e0f2fe; color: #0369a1; border-radius: 99px; padding: 1px 8px; margin-left: 6px; }
.user-actions { margin-top: 6px; display: flex; gap: 2px; flex-wrap: wrap; }
#userList .kb-doc { margin-bottom: 8px; }
#userAdminTip { display: block; margin-top: 6px; }
.kb-admin-row input, .kb-admin-row select { border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; font-size: 13px; outline: none; }
.kb-admin-row { flex-wrap: wrap; }

/* ========== 套餐与计费 ========== */
.plan-badge { margin-top: 8px; font-size: 11px; color: var(--text-sub); background: var(--primary-soft); border-radius: 8px; padding: 6px 8px; line-height: 1.5; word-break: break-all; }
.bs-row { display: flex; align-items: center; gap: 8px; font-size: 15px; margin-bottom: 4px; }
.billing-form { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-bottom: 8px; }
.billing-form input, .billing-form select { border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; font-size: 13px; outline: none; width: 100%; box-sizing: border-box; }
#billingTip { display: block; margin-top: 4px; }

/* ========== 微信收款弹窗 ========== */
.pay-body { text-align: center; padding-top: 18px; }
#payQr { width: 220px; height: 220px; margin: 12px auto; border: 1px solid var(--border); border-radius: 10px; display: block; }
.pay-status { margin: 10px 0 6px; font-size: 14px; font-weight: 600; }
.pay-status.wait { color: #b45309; }
.pay-status.ok { color: #15803d; }
.pay-status.timeout { color: #b91c1c; }
#payInfo { margin-bottom: 4px; }

/* ========== 自助注册（多租户） ========== */
#readonlyBanner { background: #b45309; color: #fff; text-align: center; padding: 6px 12px; font-size: 13px; }
.register-view { display: none; }
.register-view input, .register-view select { width: 100%; box-sizing: border-box; margin-top: 10px; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 14px; outline: none; }
.register-view .reg-title { margin: 4px 0 0; font-size: 15px; font-weight: 600; }
.register-view #regBtn { width: 100%; margin-top: 12px; }
.reg-err { display: none; margin-top: 10px; font-size: 12px; line-height: 1.5; color: #b91c1c; word-break: break-all; }
.reg-err:not(:empty) { display: block; }
.login-switch { margin-top: 10px; text-align: center; }
.login-switch a { color: var(--primary); font-size: 13px; text-decoration: none; cursor: pointer; }
.login-switch #toLogin { display: none; }
.login-card.register-mode #loginUser,
.login-card.register-mode #loginInput,
.login-card.register-mode #loginBtn,
.login-card.register-mode #loginMfa,
.login-card.register-mode .login-err { display: none; }
.login-card.register-mode .register-view { display: block; }
.login-card.register-mode #toRegister { display: none; }
.login-card.register-mode #toLogin { display: inline; }

/* ========== 租户总览（平台管理员） ========== */
.modal-wide { width: min(980px, 95vw); max-height: 88vh; overflow-y: auto; }
#ovSummary { font-size: 13px; color: var(--text-sub); padding: 8px 0; }
.ov-tenant { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; background: #fff; }
.ov-t-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.ov-t-head b { font-size: 14px; }
.ov-t-meta { font-size: 12px; color: var(--text-sub); line-height: 1.6; word-break: break-all; }
.ov-t-err { margin-top: 4px; font-size: 12px; color: #b91c1c; }
.ov-filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.ov-filters select, .ov-filters input { border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; font-size: 13px; outline: none; }
.ov-filters input[type=text] { min-width: 180px; flex: 1; }
.ov-tab { border: 1px solid var(--border); border-radius: 8px; padding: 7px 12px; font-size: 13px; background: #f9fafb; cursor: pointer; }
.ov-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.ov-records { border: 1px solid var(--border); border-radius: 10px; overflow-x: auto; }
.ov-r-head, .ov-r-row { display: grid; grid-template-columns: 1.4fr 1fr 0.8fr 0.7fr 0.8fr 1fr 0.8fr 1.3fr; gap: 6px; padding: 8px 10px; font-size: 12px; min-width: 860px; }
.ov-r-head { background: var(--primary-soft); color: var(--text-sub); font-weight: 600; }
.ov-r-row { border-top: 1px solid var(--border); word-break: break-all; }
.ov-r-row span { line-height: 1.5; }

/* ========== 全局异常提示条 ========== */
#globalErrToast {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  max-width: min(92vw, 720px); z-index: 999;
  background: #b91c1c; color: #fff; padding: 10px 16px; border-radius: 10px;
  font-size: 13px; line-height: 1.5; box-shadow: 0 6px 24px rgba(0,0,0,.28);
  word-break: break-all;
}

/* ========== 注册：手机号/短信/微信行 ========== */
.reg-phone-row { display: flex; gap: 8px; }
.reg-phone-row input { flex: 1; }
.reg-sms-row { display: flex; justify-content: flex-end; margin-top: 8px; }
.reg-sms-row .link-btn { white-space: nowrap; }
.reg-wx-row { display: flex; gap: 8px; align-items: center; margin: 4px 0; }
.reg-wx-state { font-size: 12px; color: #6b7280; }
#cfgBody textarea { width: 100%; min-height: 40px; border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; font-size: 13px; outline: none; }
#cfgBody label.kd-m { display: block; margin: 6px 0; }
#cfgBody .billing-form { margin-top: 4px; }

/* ---------- 全局轻提示（替代原生 alert，保证任何环境可见反馈） ---------- */
#toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(16px);
  max-width: min(560px, calc(100vw - 32px));
  background: rgba(17, 24, 39, .94);
  color: #fff;
  font-size: 13px;
  line-height: 1.6;
  padding: 10px 16px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .28);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  z-index: 10000;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 模型供应商选择器 ---------- */
.provider-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 8px 0 4px;
}
.provider-row select {
  width: 100%;
  padding: 6px 8px;
  font-size: 12px;
  color: #1f2937;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}

/* ========== 套餐卡片（P0-1 UI 改造） ========== */
.btn-primary {
  background: var(--primary); color: #fff; border: 1px solid var(--primary);
  border-radius: 9px; padding: 9px 14px; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: background .15s, opacity .15s;
}
.btn-primary:hover { background: #1559a8; }
.btn-primary:disabled { background: #b9c6d6; border-color: #b9c6d6; cursor: not-allowed; }

#subscribeSection .btn-primary { width: 100%; margin-top: 10px; }

.plan-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(218px, 1fr));
  gap: 12px;
}
.plan-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1.5px solid var(--border); border-radius: 14px;
  padding: 14px 14px 12px; cursor: pointer; min-height: 100%;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.plan-card:hover { border-color: #a9c8ec; box-shadow: 0 6px 18px rgba(26,95,180,.08); transform: translateY(-1px); }
.plan-card.selected { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.plan-card.current { background: linear-gradient(180deg, #f5f9ff 0%, #ffffff 100%); border-color: #9ec3f0; }
.plan-card.current::after {
  content: "当前套餐"; position: absolute; top: 10px; right: 10px;
  background: var(--primary); color: #fff; font-size: 10px; font-weight: 700;
  border-radius: 99px; padding: 2px 8px; letter-spacing: .5px;
}
.plan-card.disabled { cursor: not-allowed; opacity: .65; }
.plan-card .pc-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.plan-card .pc-icon { width: 34px; height: 34px; border-radius: 9px; background: var(--primary-soft); display: flex; align-items: center; justify-content: center; font-size: 17px; }
.plan-card .pc-name { font-size: 15px; font-weight: 800; letter-spacing: .2px; }
.plan-card .pc-badge { margin-left: auto; font-size: 10px; color: var(--primary); background: var(--primary-soft); border-radius: 99px; padding: 2px 7px; font-weight: 700; }
.plan-card .pc-price { font-size: 22px; font-weight: 800; color: var(--text); }
.plan-card .pc-price small { font-size: 11px; font-weight: 500; color: var(--text-sub); }
.plan-card .pc-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 10px; }
.plan-card .pc-meta span { font-size: 11px; color: #374151; background: #f3f6fa; border: 1px solid #eef1f5; border-radius: 7px; padding: 3px 7px; white-space: nowrap; }
.plan-card .pc-features { list-style: none; margin-top: auto; border-top: 1px dashed var(--border); padding-top: 8px; }
.plan-card .pc-features li { font-size: 11.5px; color: var(--text-sub); line-height: 1.7; padding-left: 16px; position: relative; }
.plan-card .pc-features li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 800; }
.plan-card .pc-current-hint { margin-top: 8px; font-size: 11px; color: var(--primary); font-weight: 600; }

.sub-confirm {
  margin-top: 10px; border: 1px solid #bcd4ef; background: #f3f8ff;
  border-radius: 11px; padding: 10px 12px;
}
.sub-confirm-info { font-size: 13px; line-height: 1.7; }
.sub-confirm-info b { color: var(--primary); }
.sub-confirm-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 8px; }

@media (max-width: 640px) {
  .plan-cards { grid-template-columns: 1fr; }
  .plan-card .pc-price { font-size: 19px; }
  .plan-card .pc-meta span { white-space: normal; }
}

/* ========== 积分与词元（套餐卡片同款 UI） ========== */
.credit-panel {
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 14px 14px 12px; margin-bottom: 12px;
  box-shadow: 0 2px 10px rgba(30, 64, 120, .04);
}
.credit-panel-title {
  font-size: 13px; font-weight: 800; color: var(--text);
  margin-bottom: 10px; display: flex; align-items: center; gap: 6px;
}
.credit-wallet {
  border: 1.5px solid #dbeafe; border-radius: 12px;
  background: linear-gradient(180deg, #f5f9ff 0%, #ffffff 100%);
  padding: 12px 14px;
}
.wallet-balance { display: flex; align-items: baseline; gap: 8px; }
.wallet-num { font-size: 24px; font-weight: 800; color: var(--primary); }
.wallet-label { font-size: 12px; color: var(--text-sub); font-weight: 600; }
.wallet-meta { margin-top: 4px; font-size: 11.5px; color: var(--text-sub); }

.credit-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(218px, 1fr));
  gap: 12px;
}
.credit-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1.5px solid var(--border); border-radius: 14px;
  padding: 14px 14px 12px; min-height: 100%;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.credit-card:hover { border-color: #a9c8ec; box-shadow: 0 6px 18px rgba(26,95,180,.08); transform: translateY(-1px); }
.credit-card .pc-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.credit-card .pc-icon { width: 34px; height: 34px; border-radius: 9px; background: var(--primary-soft); display: flex; align-items: center; justify-content: center; font-size: 17px; }
.credit-card .pc-name { font-size: 15px; font-weight: 800; letter-spacing: .2px; }
.credit-card .pc-price { font-size: 22px; font-weight: 800; color: var(--text); }
.credit-card .cc-credit { margin-top: 2px; font-size: 12.5px; color: var(--text-sub); }
.credit-card .cc-credit b { color: var(--primary); }
.credit-card .cc-bonus {
  margin-top: 8px; margin-bottom: 12px; align-self: flex-start;
  font-size: 11px; font-weight: 800; color: #b45309;
  background: #fef3c7; border: 1px solid #fde68a;
  border-radius: 99px; padding: 3px 9px;
}
.credit-card .cc-bonus.muted { color: #6b7280; background: #f3f4f6; border-color: #e5e7eb; font-weight: 600; }
.credit-card .credit-buy { width: 100%; margin-top: auto; padding-top: 10px; padding-bottom: 10px; }
.credit-card .pc-head + .pc-price { margin-top: 0; }
.credit-card .pc-price + .cc-credit { margin-top: 4px; }

@media (max-width: 640px) {
  .credit-cards { grid-template-columns: 1fr; }
  .credit-card .pc-price { font-size: 19px; }
}