/* =============================================================
   lakesu 风格统一样式表（聆风音乐注册/登录/后台/设备管理）
   主题色: Indigo #4f46e5; 顶栏渐变: #1e1b4b→#312e81→#4338ca
   中性色: Slate; 背景: #f1f5f9; 响应式断点: 768px
   ============================================================= */
:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef2ff;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --danger-soft: #fef2f2;
  --success: #16a34a;
  --success-soft: #f0fdf4;
  --warning: #d97706;
  --warning-soft: #fffbeb;
  --info: #0284c7;
  --info-soft: #f0f9ff;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, .08), 0 2px 4px -2px rgba(15, 23, 42, .05);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, .12), 0 8px 10px -6px rgba(15, 23, 42, .08);
  --topbar-h: 60px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ---------- 登录页 ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background:
    radial-gradient(900px 520px at 12% 8%, rgba(99, 102, 241, .38), transparent 55%),
    radial-gradient(760px 480px at 88% 92%, rgba(56, 189, 248, .26), transparent 55%),
    linear-gradient(135deg, #1e1b4b 0%, #312e81 48%, #4338ca 100%);
}
.login-box {
  width: 380px;
  max-width: 100%;
  background: rgba(255, 255, 255, .97);
  border-radius: 16px;
  padding: 40px 36px 32px;
  box-shadow: 0 25px 60px rgba(2, 6, 23, .42), 0 0 0 1px rgba(255, 255, 255, .12);
  animation: login-in .45s ease-out;
}
@keyframes login-in {
  from { opacity: 0; transform: translateY(16px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.login-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 16px;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff;
  font-size: 26px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(79, 70, 229, .35);
}
.login-box h1 { font-size: 22px; text-align: center; color: var(--text); letter-spacing: .5px; }
.login-sub { text-align: center; color: var(--text-3); margin: 8px 0 28px; font-size: 13px; }
.login-box .form-msg { margin: 0 0 10px; text-align: center; }
.login-links { display: flex; justify-content: space-between; margin-top: 18px; font-size: 13px; }

/* ---------- 全站横向导航栏（注册/找回/设备解绑） ---------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: 56px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, #1e1b4b 0%, #312e81 58%, #4338ca 100%);
  box-shadow: 0 4px 14px rgba(2, 6, 23, .18);
}
.site-nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-brand {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .3px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.site-brand::before {
  content: "L";
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .24);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
}
.site-nav-links {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.site-nav-links::-webkit-scrollbar { display: none; }
.site-nav-link {
  color: rgba(255, 255, 255, .82);
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
  transition: color .2s, background-color .2s;
}
.site-nav-link:hover { color: #fff; background: rgba(255, 255, 255, .12); }
.site-nav-link.active { color: #fff; font-weight: 600; background: rgba(255, 255, 255, .18); }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--topbar-h);
  padding: 0 24px;
  background: linear-gradient(90deg, #1e1b4b 0%, #312e81 58%, #4338ca 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(2, 6, 23, .18);
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; letter-spacing: .3px; }
.brand-logo {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .24);
}
.brand::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 3px rgba(52, 211, 153, .22);
}
.userinfo { display: flex; align-items: center; gap: 12px; font-size: 13px; color: rgba(255, 255, 255, .92); }
.topbar .btn {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .32);
  color: #fff;
}
.topbar .btn:hover { background: rgba(255, 255, 255, .24); border-color: rgba(255, 255, 255, .5); color: #fff; }

/* ---------- 导航（后台/设备页） ---------- */
.nav {
  position: sticky;
  top: var(--topbar-h);
  z-index: 40;
  display: flex;
  gap: 2px;
  background: #fff;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav-btn {
  border: none;
  background: none;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-2);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s, border-color .2s, background-color .2s;
}
a.nav-btn { color: var(--text-2); text-decoration: none; display: inline-block; }
.nav-btn:hover { color: var(--primary); background: var(--primary-soft); }
.nav-btn.active { color: var(--primary); font-weight: 600; border-bottom-color: var(--primary); }

/* ---------- 内容区 ---------- */
.content { max-width: 1200px; margin: 24px auto; padding: 0 24px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: panel-in .25s ease-out; }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.panel-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.panel-head h2 { display: flex; align-items: center; gap: 8px; font-size: 18px; color: var(--text); }
.panel-head h2::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg, #6366f1, #4f46e5);
}

/* ---------- 卡片 ---------- */
.box, .push-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.push-box h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
}
.push-box h3::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.push-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.form-tip { font-size: 12px; color: var(--text-3); }

/* ---------- 表单 ---------- */
.form-item { margin-bottom: 16px; }
.form-item label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 500; color: var(--text-2); }
.form-item .input { width: 100%; }
.input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  width: 100%;
  background: #fff;
  color: var(--text);
  transition: border-color .18s, box-shadow .18s;
}
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, .12); }
.input::placeholder { color: var(--text-3); }
textarea.input { resize: vertical; min-height: 46px; }
select.input { cursor: pointer; }
.form-msg, .inline-msg { color: var(--danger); font-size: 13px; margin-top: 6px; }
.chk { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; font-size: 13px; color: var(--text-2); }
.chk input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text-2);
  cursor: pointer;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  user-select: none;
  transition: all .18s ease;
  text-decoration: none;
}
.btn:hover { background: var(--bg); border-color: #cbd5e1; color: var(--text); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 2px 6px rgba(79, 70, 229, .28); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; box-shadow: 0 2px 6px rgba(220, 38, 38, .22); }
.btn-danger:hover { background: var(--danger-hover); border-color: var(--danger-hover); color: #fff; }
.btn-warn { background: var(--warning); border-color: var(--warning); color: #fff; box-shadow: 0 2px 6px rgba(217, 119, 6, .22); }
.btn-warn:hover { background: var(--warning-hover); border-color: var(--warning-hover); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.btn-block { width: 100%; padding: 11px; font-size: 15px; margin-top: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn:disabled:hover { background: #fff; border-color: var(--border); color: var(--text-2); }
.ops { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ---------- 表格 ---------- */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 18px;
}
.table { width: 100%; min-width: 640px; border-collapse: collapse; }
.table th, .table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; white-space: nowrap; }
.table th { background: #f8fafc; color: var(--text-2); font-size: 12px; font-weight: 600; letter-spacing: .2px; }
.table tbody tr { transition: background-color .15s; }
.table tbody tr:hover td { background: #f8fafc; }
.table tbody tr:last-child td { border-bottom: none; }
.table .empty { text-align: center; color: var(--text-3); padding: 32px 16px; white-space: normal; }
#tab-bans .table { min-width: 780px; }
#tab-logs .table { min-width: 980px; }
#tab-apis .table, #tab-admins .table { min-width: 780px; }

/* ---------- 状态标签 ---------- */
.tag { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; line-height: 1.5; }
.tag-on { background: var(--success-soft); color: var(--success); }
.tag-off { background: var(--danger-soft); color: var(--danger); }
.tag-super { background: var(--warning-soft); color: var(--warning); }
.tag-normal { background: var(--info-soft); color: var(--info); }
.tag-warn { background: var(--warning-soft); color: var(--warning); }
.tag-danger { background: var(--danger-soft); color: var(--danger); }

/* ---------- 代码 ---------- */
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 12px; padding: 2px 6px; border-radius: 4px; background: #f1f5f9; color: #4338ca; }

/* ---------- 弹窗 ---------- */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(15, 23, 42, .55);
  backdrop-filter: blur(3px);
}
.modal.show { display: flex; }
.modal-box {
  width: 440px;
  max-width: 100%;
  max-height: 90vh;
  overflow: auto;
  background: #fff;
  border-radius: 14px;
  padding: 26px;
  box-shadow: var(--shadow-lg);
  animation: modal-in .22s ease-out;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-box h3 { margin-bottom: 18px; font-size: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

.inline-msg { display: inline-block; margin-left: 10px; }

/* ============================================================
   注册页布局（聆风音乐）
   ============================================================ */
.reg-page { height: 100vh; overflow: hidden; }
.register-body {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex: 1 1 auto;
  min-height: 0;
  padding: 76px 20px 20px;
}
.register-wrapper {
  width: 100%;
  height: 100%;
  min-height: min(480px, 100%);
  max-height: 100%;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.register-left {
  flex: 1.1;
  min-width: 320px;
  background: linear-gradient(150deg, #1e1b4b 0%, #312e81 55%, #4338ca 100%);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  color: #fff;
  overflow: hidden;
}
.left-content { position: relative; z-index: 2; }
.left-content h1 { font-size: 2.1rem; font-weight: 700; margin-bottom: 16px; letter-spacing: .5px; line-height: 1.3; }
.left-content .sub { font-size: .95rem; line-height: 1.6; opacity: .85; margin-bottom: 28px; border-left: 3px solid rgba(255, 255, 255, .55); padding-left: 16px; }
.feature-list { list-style: none; margin-top: 12px; }
.feature-list li { margin-bottom: 14px; display: flex; align-items: center; gap: 10px; font-size: .92rem; }
.feature-list li::before { content: ""; width: 6px; height: 6px; background: #818cf8; border-radius: 1px; flex: none; }
.register-right {
  flex: 1;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
  padding: 36px 40px;
  background: #fff;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.register-container { width: 100%; max-width: 480px; margin: auto; }
.register-container .title { font-size: 1.4rem; font-weight: 600; color: var(--text); text-align: center; margin-bottom: 24px; letter-spacing: 1px; }
.register-container .form-group { margin-bottom: 16px; position: relative; }
.register-container .form-group label { display: block; font-weight: 500; margin-bottom: 6px; color: var(--text-2); font-size: .85rem; }
.register-container .form-group input,
.register-container .form-group .code-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .92rem;
  transition: all .2s;
  background: #fff;
  color: var(--text);
}
.register-container .form-group input:focus,
.register-container .form-group .code-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, .12); }
.avatar-nickname-row { display: flex; gap: 20px; align-items: flex-start; }
.avatar-block { width: 110px; flex: none; }
.nickname-block { flex: 1; min-width: 0; }
#avatar-preview { width: 72px; height: 72px; border-radius: var(--radius-sm); object-fit: cover; border: 1px solid var(--border); background: #f8fafc; display: block; margin-bottom: 6px; }
.avatar-block .avatar-file-input { display: none; }
.avatar-file-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px 0;
  border: 1px dashed var(--primary);
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  margin-bottom: 6px;
}
.avatar-file-btn:hover { background: #e0e7ff; border-color: var(--primary); }
#result { font-size: .7rem; color: var(--text-2); margin-top: 4px; }
.toggle-pwd { position: absolute; right: 12px; top: 34px; cursor: pointer; user-select: none; opacity: .6; transition: opacity .2s; }
.toggle-pwd:hover { opacity: 1; }
.password-group { position: relative; }
.code-input { width: calc(100% - 106px); display: inline-block; margin-right: 8px; }
.code-btn {
  width: 98px;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  padding: 10px 0;
  text-align: center;
  display: inline-block;
}
.code-btn:hover { background: #e0e7ff; border-color: var(--primary); }
.register-container .btn { width: 100%; margin-top: 8px; }
.error { color: var(--danger); font-size: .72rem; margin-top: 4px; }
.success { color: var(--success); text-align: center; margin-top: 12px; }
.form-extra { display: flex; justify-content: center; margin-top: 14px; gap: 10px; flex-wrap: wrap; }
.link-forget {
  color: var(--primary);
  font-size: .85rem;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: all .2s;
  text-decoration: none;
}
.link-forget:hover { border-color: var(--primary); background: var(--primary-soft); }

/* ---------- 注册成功页 / 关闭提示 ---------- */
.success-container,
.closed-container {
  max-width: 620px;
  width: 100%;
  overflow-y: auto;
  margin: 0 auto;
  background: var(--card);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.success-title {
  color: var(--text);
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #1e1b4b, #4338ca);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.user-info-card { background: #f8fafc; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 24px 20px; text-align: left; margin: 20px 0; }
.info-item { display: flex; padding: 14px 0; border-bottom: 1px solid var(--border); align-items: center; flex-wrap: wrap; }
.info-item:last-child { border-bottom: none; }
.info-label { font-weight: 700; width: 130px; color: var(--text); font-size: 1.05rem; }
.info-value { color: var(--text-2); word-break: break-all; flex: 1; font-size: 1.1rem; }
.info-value.account-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: #4f46e5;
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  border: 1px solid #c7d2fe;
  border-radius: 10px;
  padding: 10px 18px;
  margin: 4px 0;
  letter-spacing: 1px;
  display: inline-block;
}
.avatar-large { width: 96px; height: 96px; border-radius: var(--radius-sm); object-fit: cover; border: 1px solid var(--border); margin: 10px auto; display: block; }
.back-link { display: inline-block; margin-top: 16px; color: var(--primary); font-weight: 500; padding: 8px 20px; border-radius: var(--radius-sm); background: var(--primary-soft); transition: .2s; text-decoration: none; }
.back-link:hover { background: #e0e7ff; }
.closed-tip { color: var(--danger); font-size: 1rem; background: var(--danger-soft); border: 1px solid #fecaca; padding: 14px; border-radius: var(--radius-sm); margin-top: 10px; }
.closed-panel { padding: 64px 40px; }
.closed-icon { color: var(--danger); margin: 0 auto 20px; display: block; opacity: .92; }
.closed-title { font-size: 1.5rem; font-weight: 700; color: var(--text); margin-bottom: 10px; letter-spacing: .5px; }
.closed-desc { font-size: .95rem; color: var(--text-2); }

/* ---------- 设备管理页 ---------- */
.device-stat { display: inline-flex; align-items: center; gap: 8px; }
.code-row { display: flex; gap: 10px; flex-wrap: wrap; }
.code-row .input { flex: 1; min-width: 180px; }

.device-page { min-height: 100vh; }
.device-container {
  flex: 1 1 auto;
  max-width: 800px;
  margin: 0 auto;
  padding: 76px 20px 40px;
}
.panel-sub { color: var(--text-2); font-size: 13px; margin-top: 4px; word-break: break-all; }
.panel-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.bind-summary {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
  color: var(--text-2);
  font-size: 14px;
}
.bind-summary strong { color: var(--primary); font-size: 18px; margin: 0 2px; }
.data-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}
.data-table th, .data-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; white-space: nowrap; }
.data-table th { background: #f8fafc; color: var(--text-2); font-size: 12px; font-weight: 600; letter-spacing: .2px; }
.data-table tbody tr:hover td { background: #f8fafc; }
.data-table tbody tr:last-child td { border-bottom: none; }
.tag-success { background: var(--success-soft); color: var(--success); }
.tag-muted { background: var(--border); color: var(--text-2); }
.add-device {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.add-device h4 { font-size: 14px; color: var(--text-2); margin-bottom: 12px; }
.add-row { display: flex; gap: 10px; flex-wrap: wrap; }
.add-row .input { flex: 1; min-width: 220px; }
.add-device .form-msg { margin-top: 10px; }

.email-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid #4338ca;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.email-panel h4 { font-size: 14px; color: var(--text); margin-bottom: 4px; }
.email-panel .panel-sub { margin-top: 0; }

/* 解绑弹窗 */
.modal-title { text-align: center; font-size: 18px; color: var(--text); margin-bottom: 8px; }
.modal-group { margin-bottom: 16px; }
.modal-group label { display: block; font-size: 13px; font-weight: 500; color: var(--text-2); margin-bottom: 8px; }
.modal-buttons { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.btn-secondary { background: var(--bg); border-color: var(--border); color: var(--text-2); }
.btn-secondary:hover { background: var(--border); border-color: #cbd5e1; color: var(--text); }
.btn-sm-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-sm-outline:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- 移动端适配 (max-width: 768px) ---------- */
@media (max-width: 768px) {
  :root { --topbar-h: 54px; }
  .topbar { padding: 0 14px; }
  .brand { font-size: 15px; gap: 8px; }
  .brand-logo { width: 26px; height: 26px; border-radius: 8px; font-size: 13px; }
  .userinfo { gap: 8px; font-size: 12px; }
  .userinfo .btn { padding: 4px 10px; font-size: 12px; }
  .nav { padding: 0 8px; }
  .nav-btn { padding: 12px 14px; font-size: 13px; }
  .content { margin: 14px auto; padding: 0 12px; }
  .panel-head { margin-bottom: 12px; }
  .panel-head h2 { font-size: 16px; }
  .box, .push-box { padding: 16px; margin-bottom: 14px; }
  .push-row { gap: 8px; }
  .push-row .input { width: 100% !important; }
  .push-row .btn { flex: 1 1 auto; }
  .push-row .btn-sm { flex: 0 0 auto; }
  .modal-box { padding: 20px 18px; }
  .login-box { padding: 32px 22px 26px; }
  .site-nav { height: 52px; }
  .site-nav-inner { padding: 0 12px; }
  .site-nav-brand { font-size: 15px; }
  .site-nav-link { padding: 6px 10px; font-size: 13px; }
  .register-body { padding: 68px 12px 12px; align-items: flex-start; }
  .register-wrapper { flex-direction: column; height: calc(100vh - 80px); min-height: 0; }
  .register-left { min-width: 0; flex: none; padding: 20px; text-align: center; }
  .left-content h1 { font-size: 1.5rem; margin-bottom: 8px; }
  .left-content .sub { font-size: .85rem; margin-bottom: 12px; }
  .feature-list { display: none; }
  .register-right { flex: 1 1 auto; min-height: 0; padding: 20px; max-height: none; overflow-y: auto; }
  .code-input { width: 100%; margin-bottom: 10px; }
  .code-btn { width: 100%; }
  .avatar-nickname-row { flex-direction: column; gap: 12px; }
  .avatar-block { width: 100%; }
  .info-label { width: 100%; margin-bottom: 4px; }

  /* 移动端细节补充：触控目标≥40px、字体≥12px、导航滚动方案、弹窗/验证码行堆叠 */
  .site-nav-links { flex: 1; min-width: 0; justify-content: flex-end; }
  .site-brand { font-size: 15px; }
  .site-nav-link { min-height: 40px; display: inline-flex; align-items: center; }
  .btn { min-height: 40px; }
  .btn-sm { min-height: 40px; }
  .code-btn { min-height: 40px; }
  .avatar-file-btn { min-height: 40px; }
  .error { font-size: 12px; }
  #result { font-size: 12px; }
  .toggle-pwd { padding: 10px; right: 4px; top: 26px; }
  .login-links a { padding: 8px 0; }
  .modal-buttons { flex-direction: column; align-items: stretch; }
  .modal-buttons .btn { width: 100%; }
  .code-row { flex-direction: column; align-items: stretch; }
  .code-row .btn { width: 100%; }
  .add-row { flex-direction: column; align-items: stretch; }
  .add-row .btn { width: 100%; }
  .device-container { padding: 66px 14px 32px; }
}

/* ---------- 移动端补充断点 (max-width: 480px) ---------- */
@media (max-width: 480px) {
  .register-left { padding: 14px; }
  .left-content h1 { font-size: 1.25rem; }
  .left-content .sub { font-size: .8rem; }
  .register-right { padding: 14px; }
  .register-container .title { font-size: 1.2rem; margin-bottom: 16px; }
  .site-brand { font-size: 14px; }
  .site-brand::before { width: 22px; height: 22px; font-size: 11px; }
  .site-nav-link { padding: 4px 8px; font-size: 12px; }
  .device-container { padding: 62px 10px 24px; }
  .modal-box { padding: 18px 14px; }
  .success-container { padding: 24px 16px; }
  .login-box { padding: 24px 18px 22px; }
  .register-body { padding: 64px 8px 8px; }
}

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.site-footer {
  flex: none;
  width: 100%;
  text-align: center;
  padding: 16px 20px 22px;
  color: var(--text-3);
  font-size: 13px;
  line-height: 1.9;
  background: var(--card);
  border-top: 1px solid var(--border);
  box-shadow: 0 -1px 0 rgba(15, 23, 42, .03);
}
.site-footer a {
  color: var(--text-3);
  text-decoration: none;
  transition: color .2s;
}
.site-footer a:hover { color: var(--primary); }