/* ===== VPS 服务看板 - 移动端优先样式（v2 重排） =====
   基础样式面向 320-430px 手机；≥768px 渐进增强为桌面布局。
   原则：小屏上一行只放一件事，标签可换行，长文本可断行。 */
:root {
  --bg: #f3f5f9;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary-weak: #eff6ff;
  --up: #16a34a;
  --up-weak: #f0fdf4;
  --down: #dc2626;
  --down-weak: #fef2f2;
  --unknown: #9ca3af;
  --unknown-weak: #f9fafb;
  --paused: #d97706;
  --paused-weak: #fffbeb;
  --stale-c: #64748b;
  --stale-weak: #f1f5f9;
  --mock-bg: #fef3c7;
  --mock-text: #92400e;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08);
  --nav-h: 56px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
button, input, select { font: inherit; color: inherit; }
a { color: var(--primary); text-decoration: none; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 16px; margin: 22px 0 10px; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
h2 .hint { color: var(--muted); font-size: 12.5px; font-weight: 400; }
.hidden { display: none !important; }

/* ===== 顶栏 ===== */
#topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  max-width: 1080px; margin: 0 auto; padding: 10px 12px;
}
.brand { display: flex; align-items: center; gap: 7px; font-weight: 600; font-size: 16px; min-width: 0; }
.brand-name { white-space: nowrap; }
.brand-icon { display: inline-flex; color: var(--primary); flex: none; }
.brand-icon svg { width: 22px; height: 22px; }
.badge { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.badge-mock { background: var(--mock-bg); color: var(--mock-text); }
.badge-real { background: var(--up-weak); color: var(--up); border: 1px solid #bbf7d0; }
.top-actions { display: flex; align-items: center; gap: 6px; flex: none; }
.icon-btn, .user-btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); background: #fff; color: var(--muted);
  border-radius: 8px; padding: 6px 10px; cursor: pointer; max-width: 40vw;
}
.icon-btn svg { width: 16px; height: 16px; }
.user-btn { font-size: 13px; }
.user-btn span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-btn svg { width: 15px; height: 15px; flex: none; }
.icon-btn:hover, .user-btn:hover { color: var(--primary); border-color: var(--primary); }
.icon-btn.spin svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 导航：手机=底部固定栏；桌面=顶栏下方标签 */
.desktop-nav { display: none; }
.mobile-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; background: #fff; border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-nav button {
  flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 7px 0 6px; border: none; background: none; color: var(--muted);
  font-size: 10.5px; cursor: pointer;
}
.mobile-nav button svg { width: 20px; height: 20px; }
.mobile-nav button.active { color: var(--primary); font-weight: 600; }
main { padding: 14px 12px calc(var(--nav-h) + env(safe-area-inset-bottom) + 28px); }

/* 演示模式横幅 */
.mock-banner {
  background: var(--mock-bg); color: var(--mock-text);
  font-size: 12.5px; padding: 8px 12px; line-height: 1.55;
  border-bottom: 1px solid #fde68a;
}
.mock-banner b { font-weight: 700; }

/* ===== 页面骨架 ===== */
.page { max-width: 1080px; margin: 0 auto; }
.page-head { display: flex; flex-direction: column; gap: 6px; margin: 2px 0 14px; }
.page-head h1 { line-height: 1.3; }
.page-head .sub { color: var(--muted); font-size: 12.5px; display: flex; align-items: center; gap: 6px 10px; flex-wrap: wrap; }
.updated-chip {
  font-size: 12px; color: var(--muted); background: #fff; border: 1px solid var(--border);
  padding: 2px 9px; border-radius: 999px; white-space: nowrap;
}
.updated-chip.stale { color: var(--paused); border-color: #fcd34d; background: var(--paused-weak); }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 13px 14px;
  min-width: 0;
}
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin: 2px 0 14px; }
.toolbar h1 { margin-right: auto; }
.toolbar .spacer { display: none; }
.toolbar .hint-text { color: var(--muted); font-size: 12.5px; flex-basis: 100%; order: 3; }

/* ===== 状态色 ===== */
.st-up { --st: var(--up); --st-weak: var(--up-weak); }
.st-down { --st: var(--down); --st-weak: var(--down-weak); }
.st-unknown { --st: var(--unknown); --st-weak: var(--unknown-weak); }
.st-paused { --st: var(--paused); --st-weak: var(--paused-weak); }
.st-stale { --st: var(--stale-c); --st-weak: var(--stale-weak); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--st, var(--unknown)); flex: none; display: inline-block; }
.dot.pulse { animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.status-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600; color: var(--st, var(--muted));
  background: var(--st-weak, var(--unknown-weak)); border: 1px solid var(--border);
  border-radius: 999px; padding: 2px 10px; white-space: nowrap;
}
.cat-chip {
  font-size: 11px; color: var(--muted); background: var(--bg);
  border-radius: 6px; padding: 2px 7px; display: inline-block; max-width: 100%;
}
.legacy-tag { border: 1px dashed #cbd5e1; background: #fff; }
.auto-tag { border: 1px solid #bfdbfe; background: var(--primary-weak); color: var(--primary); }

/* ===== 概况页 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.stats-grid.stale { opacity: .75; }
.stat-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 12px 13px; min-width: 0;
}
.stat-label { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 6px; min-width: 0; }
.stat-label svg { width: 14px; height: 14px; flex: none; }
.stat-value { font-size: 24px; font-weight: 700; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.stat-value.unavailable { font-size: 16px; color: var(--muted); font-weight: 600; }
.stat-value small { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 2px; }
.stat-sub { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.bar { height: 6px; border-radius: 999px; background: #eef1f6; margin-top: 8px; overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 999px; background: var(--up); transition: width .4s; }
.bar > i.warn { background: var(--paused); }
.bar > i.crit { background: var(--down); }
.sys-warn {
  margin: 0 0 12px; padding: 10px 13px; border-radius: var(--radius);
  background: var(--down-weak); border: 1px solid #fecaca; color: #991b1b; font-size: 13px;
  overflow-wrap: anywhere;
}
.sys-warn.amber { background: var(--paused-weak); border-color: #fcd34d; color: #92400e; }
.sys-warn .retry-link { margin-left: 10px; text-decoration: underline; cursor: pointer; font-weight: 600; }

/* 服务状态汇总：手机 2+2+1 换行，桌面 5 列 */
.summary-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.summary-card { text-align: center; padding: 11px 6px; }
.summary-card .num { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.summary-card .lbl { font-size: 12px; color: var(--muted); margin-top: 2px; }
.summary-card.c-up .num { color: var(--up); }
.summary-card.c-down .num { color: var(--down); }
.summary-card.c-unknown .num { color: var(--unknown); }
.summary-card.c-paused .num { color: var(--paused); }
.summary-card.c-stale .num { color: var(--stale-c); }
.summary-card.clickable { cursor: pointer; }
.summary-card.clickable:hover { border-color: var(--primary); }

.mini-list { padding: 4px 0; }
.mini-item { display: flex; align-items: center; gap: 10px; padding: 9px 2px; border-bottom: 1px solid #f1f3f7; min-width: 0; }
.mini-item:last-child { border-bottom: none; }
.mini-item .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.mini-item .meta { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; flex: none; max-width: 55%; overflow: hidden; text-overflow: ellipsis; }
.down-panel { border-left: 3px solid var(--down); }
.stale-panel { border-left: 3px solid var(--stale-c); }
.panel-title { font-weight: 600; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.panel-title .note { color: var(--muted); font-weight: 400; font-size: 12px; }
.err-text { color: var(--down); font-size: 12.5px; }

/* ===== 空状态 / 加载 / 错误 ===== */
.empty-block {
  text-align: center; color: var(--muted); padding: 40px 16px;
  background: #fff; border: 1px dashed var(--border); border-radius: var(--radius);
}
.empty-block .big { font-size: 34px; margin-bottom: 8px; }
.empty-block .hint { font-size: 13px; margin-top: 4px; }
.empty-block .btn { margin-top: 14px; }
.loading-block { display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--muted); padding: 60px 0; }
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--border); border-top-color: var(--primary);
  animation: spin .8s linear infinite; display: inline-block;
}
.error-block {
  text-align: center; padding: 36px 16px; background: var(--down-weak);
  border: 1px solid #fecaca; border-radius: var(--radius); color: #991b1b;
}
.error-block .big { font-size: 30px; margin-bottom: 6px; }
.error-block .msg { font-size: 13px; margin: 6px 0 14px; word-break: break-all; }
.skeleton { border-radius: var(--radius); background: linear-gradient(90deg, #eceff4 25%, #f6f8fb 50%, #eceff4 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; height: 88px; margin-bottom: 10px; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ===== 按钮 / 表单 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border); background: #fff; color: var(--text);
  border-radius: 9px; padding: 8px 14px; cursor: pointer; font-size: 14px;
  min-height: 36px;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: #1d4ed8; color: #fff; }
.btn-danger { background: var(--down); border-color: var(--down); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 13px; border-radius: 8px; min-height: 32px; }
.btn-block { width: 100%; }
.act-link { background: none; border: none; color: var(--primary); cursor: pointer; padding: 7px 8px; font-size: 13px; border-radius: 6px; min-height: 32px; }
.act-link:hover { background: var(--primary-weak); }
.act-link.danger { color: var(--down); }
.act-link.danger:hover { background: var(--down-weak); }

.field { margin-bottom: 13px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.field .tip { font-size: 12px; color: var(--muted); margin-top: 4px; }
.field input, .field select {
  width: 100%; border: 1px solid var(--border); border-radius: 9px;
  padding: 9px 11px; background: #fff; outline: none;
}
.field input:focus, .field select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.form-error { background: var(--down-weak); color: #991b1b; border: 1px solid #fecaca; border-radius: 9px; padding: 8px 12px; font-size: 13px; margin-bottom: 12px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* 筛选 chips：横向滚动 */
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 8px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; border: 1px solid var(--border); background: #fff; color: var(--muted);
  border-radius: 999px; padding: 6px 13px; font-size: 13px; cursor: pointer; min-height: 32px;
}
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.chip .n { opacity: .75; font-size: 12px; margin-left: 2px; }

/* ===== 监测列表 ===== */
.mon-row {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 12px 13px; margin-bottom: 10px;
  border-left: 4px solid var(--st, var(--unknown)); min-width: 0;
}
.mon-head { display: flex; align-items: center; gap: 6px 8px; flex-wrap: wrap; }
.mon-head .name { font-weight: 600; font-size: 15px; min-width: 0; overflow-wrap: anywhere; }
.mon-head .badge-right { margin-left: auto; }
.mon-target { color: var(--muted); font-size: 12.5px; margin-top: 4px; word-break: break-all; }
.mon-meta { color: var(--muted); font-size: 12.5px; margin-top: 6px; display: flex; gap: 4px 12px; flex-wrap: wrap; font-variant-numeric: tabular-nums; }
.mon-meta > span { min-width: 0; }
.mon-error { margin-top: 6px; font-size: 12.5px; color: var(--down); background: var(--down-weak); border-radius: 8px; padding: 6px 10px; word-break: break-all; }
.hist-dots { display: flex; gap: 3px; margin-top: 9px; align-items: flex-end; flex-wrap: wrap; }
.hist-dots i { width: 7px; height: 16px; border-radius: 3px; background: var(--up); display: block; }
.hist-dots i.s-down { background: var(--down); }
.hist-dots i.s-unknown { background: #e5e7eb; }
.mon-actions { display: flex; gap: 2px; margin-top: 8px; flex-wrap: wrap; border-top: 1px dashed var(--border); padding-top: 6px; }

/* ===== 常用入口 ===== */
.search-box { position: relative; flex: 1 1 100%; }
.search-box svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--muted); }
.search-box input {
  width: 100%; border: 1px solid var(--border); border-radius: 999px;
  padding: 9px 14px 9px 34px; background: #fff; outline: none;
}
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.link-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.link-card {
  position: relative; display: block; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px 12px 11px;
  color: var(--text); min-width: 0; cursor: pointer;
}
.link-card:hover { border-color: var(--primary); }
.link-card .lname { font-weight: 600; font-size: 14px; margin-bottom: 3px; padding-right: 50px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-card .lurl { color: var(--muted); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-card .lcat { margin-top: 8px; display: flex; gap: 4px; flex-wrap: wrap; }
.link-card .ops { position: absolute; top: 6px; right: 6px; display: flex; }
.link-card .ops .act-link { padding: 4px 5px; font-size: 12px; }

/* ===== 故障记录 ===== */
.inc-item {
  background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--down);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px 13px; margin-bottom: 10px; min-width: 0;
}
.inc-item.recovered { border-left-color: var(--up); }
.inc-head { display: flex; align-items: center; gap: 6px 8px; flex-wrap: wrap; }
.inc-head .iname { font-weight: 600; min-width: 0; overflow-wrap: anywhere; }
.inc-head .badge-right { margin-left: auto; }
.inc-time { color: var(--muted); font-size: 12.5px; margin-top: 5px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.inc-err { margin-top: 6px; font-size: 12.5px; color: var(--down); background: var(--down-weak); border-radius: 8px; padding: 6px 10px; word-break: break-all; }
.inc-item.recovered .inc-err { color: #6b7280; background: var(--unknown-weak); }

/* ===== 设置 / 通用卡片行 ===== */
.set-card { margin-bottom: 14px; }
.set-card h3 { margin: 0 0 4px; font-size: 15px; }
.set-card .desc { color: var(--muted); font-size: 12.5px; margin-bottom: 12px; }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--border); font-size: 13.5px; }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--muted); flex: none; }
.kv .v { text-align: right; word-break: break-all; min-width: 0; }

/* ===== 发现页项目卡片 ===== */
.dis-head { display: flex; align-items: center; gap: 6px 8px; flex-wrap: wrap; }
.dis-head .name { font-weight: 600; font-size: 15px; min-width: 0; overflow-wrap: anywhere; }
.dis-head .first-seen { margin-left: auto; color: var(--muted); font-size: 12px; white-space: nowrap; flex: none; }
.dis-row { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 7px; align-items: center; }
.dis-row .lbl { color: var(--muted); font-size: 12.5px; flex: none; }
.dis-row .linked { color: var(--muted); font-size: 12.5px; min-width: 0; }

/* ===== 登录页 ===== */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px 16px; }
.auth-card { width: 100%; max-width: 380px; background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 26px 20px; }
.auth-card .logo { text-align: center; color: var(--primary); margin-bottom: 6px; }
.auth-card .logo svg { width: 40px; height: 40px; }
.auth-card h1 { text-align: center; font-size: 19px; margin: 0 0 4px; }
.auth-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.auth-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: 14px; line-height: 1.6; }
.auth-mode-tip { text-align: center; font-size: 12px; color: var(--mock-text); background: var(--mock-bg); border-radius: 8px; padding: 6px 10px; margin-bottom: 14px; }

/* ===== 弹窗 ===== */
dialog#modal {
  border: none; border-radius: 16px; padding: 0;
  width: min(480px, calc(100vw - 32px));
  box-shadow: 0 12px 40px rgba(0,0,0,.18);
}
dialog#modal::backdrop { background: rgba(15,23,42,.45); }
.modal-form { padding: 18px 16px 16px; }
.modal-form h3 { margin: 0 0 14px; font-size: 16px; }
.modal-body { max-height: 62vh; overflow-y: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.confirm-text { font-size: 14px; line-height: 1.6; overflow-wrap: anywhere; }

/* ===== Toast ===== */
.toast {
  position: fixed; left: 50%; bottom: calc(var(--nav-h) + env(safe-area-inset-bottom) + 18px);
  transform: translateX(-50%) translateY(8px); z-index: 60;
  background: rgba(17,24,39,.94); color: #fff; font-size: 13.5px;
  border-radius: 999px; padding: 9px 18px; opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s; max-width: calc(100vw - 40px); text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: rgba(153,27,27,.95); }

/* 用户菜单 */
.user-menu {
  position: absolute; right: 10px; top: 52px; z-index: 50;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,.12); min-width: 160px; overflow: hidden;
}
.user-menu button { display: block; width: 100%; text-align: left; background: none; border: none; padding: 10px 14px; cursor: pointer; font-size: 14px; }
.user-menu button:hover { background: var(--bg); }
.user-menu .um-head { padding: 9px 14px; font-size: 12px; color: var(--muted); border-bottom: 1px solid var(--border); overflow: hidden; text-overflow: ellipsis; }

/* ===== 桌面端增强（≥768px）===== */
@media (min-width: 768px) {
  main { padding: 20px 20px 48px; }
  .page-head { flex-direction: row; align-items: baseline; justify-content: space-between; }
  .toolbar h1 { margin-right: 0; }
  .toolbar .spacer { display: block; flex: 1; }
  .toolbar .hint-text { flex-basis: auto; order: 0; }
  .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .summary-row { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .link-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .mobile-nav { display: none; }
  .desktop-nav { display: block; border-top: 1px solid var(--border); }
  .desktop-nav .nav-inner { max-width: 1080px; margin: 0 auto; display: flex; gap: 4px; padding: 0 12px; }
  .desktop-nav button {
    display: inline-flex; align-items: center; gap: 6px;
    background: none; border: none; border-bottom: 2px solid transparent;
    color: var(--muted); padding: 10px 12px; cursor: pointer; font-size: 14px;
  }
  .desktop-nav button svg { width: 16px; height: 16px; }
  .desktop-nav button.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
  .topbar-inner { padding: 10px 20px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .link-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
/* 超窄屏（≤360px）：顶栏放不下模式徽章（演示横幅与设置页仍会标明模式） */
@media (max-width: 360px) {
  #modeBadge { display: none; }
  .brand { font-size: 15px; }
  .topbar-inner { padding: 10px 10px; }
}
/* 超窄屏（≤350px）：统计卡单列不拥挤 */
@media (max-width: 349px) {
  .stats-grid { grid-template-columns: 1fr; }
  .summary-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .link-grid { grid-template-columns: 1fr; }
  .stat-value { font-size: 21px; }
}