/* 官网用户中心（user.yutiankejiai.com）样式。
 * 清爽蓝绿浅色系，色板与 a2 代理后台同源（规范见 user/BRAND.md）。
 * 布局：302 式后台骨架（顶栏 + 左侧导航 + KPI 卡片行），登录/注册页保持居中卡片。
 * 严格 CSP：无内联样式；图标为内联 SVG（stroke=currentColor，颜色全由本文件控制）。 */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #e9f4ef;
  --card: #ffffff;
  --card2: #eef7f3;
  --line: rgba(15, 140, 115, .16);
  --text: #16352e;
  --dim: #5f8378;
  --primary: #0d9488;
  --primary2: #06b6d4;
  --danger: #dc2626;
  --ok: #059669;
  --shadow: 0 1px 3px rgba(16, 80, 64, .06), 0 1px 2px rgba(16, 80, 64, .04);
  --shadow-lg: 0 12px 40px rgba(16, 80, 64, .12);
  --grad: linear-gradient(135deg, var(--primary), var(--primary2));
}
body {
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(ellipse 72% 52% at 0% 0%, rgba(20, 184, 166, .14), transparent 58%),
    radial-gradient(ellipse 55% 45% at 100% 100%, rgba(6, 182, 212, .10), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.ico { flex: none; vertical-align: -3px; }

/* ── 登录/注册（独立居中布局）── */
.auth-body { display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card {
  width: 100%; max-width: 380px; background: var(--card);
  border: 1px solid var(--line); border-radius: 18px; padding: 32px 28px;
  box-shadow: var(--shadow-lg);
}
.auth-head { text-align: center; margin-bottom: 22px; }
.auth-logo {
  width: 56px; height: 56px; border-radius: 14px; margin: 0 auto 12px; display: block;
  border: 1px solid var(--line); object-fit: cover;
  box-shadow: 0 6px 18px rgba(13, 148, 136, .22);
}
.auth-brand { font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: 1px; }
.auth-sub { color: var(--dim); font-size: 13px; margin-top: 6px; }
.auth-error {
  background: rgba(220, 38, 38, .07); border: 1px solid rgba(220, 38, 38, .25);
  color: var(--danger); font-size: 13px; padding: 10px 12px; border-radius: 10px; margin-bottom: 16px;
}
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--dim); }
.auth-input {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 13px; color: var(--text); font-size: 14px; transition: border-color .15s, box-shadow .15s;
}
.auth-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(13, 148, 136, .12); }
.auth-confirm-hint { color: var(--danger); font-size: 12px; margin-top: -6px; }
.auth-btn {
  margin-top: 6px; padding: 12px; border: none; border-radius: 10px; cursor: pointer;
  background: var(--grad); color: #fff;
  font-size: 15px; font-weight: 700; box-shadow: 0 4px 14px rgba(13, 148, 136, .25);
  transition: filter .15s, opacity .15s;
}
.auth-btn:hover { filter: brightness(1.06); }
.auth-btn:disabled { opacity: .5; cursor: not-allowed; }
.auth-switch { text-align: center; font-size: 13px; color: var(--dim); margin-top: 4px; }

/* ── 后台骨架：顶栏 ── */
.shell-body { min-height: 100vh; }
.shell-topbar {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.shell-topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 10px 24px;
  max-width: 1500px; margin: 0 auto; /* 与下方居中容器同宽对齐 */
}
.shell-brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.shell-brand:hover { text-decoration: none; }
.shell-brand-logo {
  width: 34px; height: 34px; border-radius: 9px; display: block;
  border: 1px solid var(--line); object-fit: cover;
  box-shadow: 0 3px 10px rgba(13, 148, 136, .25);
}
.shell-brand-text strong { display: block; font-size: .95rem; line-height: 1.2; }
.shell-brand-text small { display: block; font-size: .72rem; color: var(--dim); font-weight: 500; }
.shell-topbar-actions { display: flex; align-items: center; gap: 10px; }
.shell-user-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
}
/* 顶栏用户下拉（302 式：头像+用户名 + 个人中心|退出登录 左右分布） */
.user-menu { position: relative; display: inline-block; }
.shell-user-pill { cursor: pointer; font-family: inherit; }
.pill-caret { font-size: .6rem; margin-left: 6px; opacity: .65; }
.user-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 220px; z-index: 60;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 12px 40px rgba(16, 80, 64, .18); padding: 12px;
}
.user-dropdown-head {
  display: flex; align-items: center; gap: 10px; padding: 2px 4px 12px;
  border-bottom: 1px solid var(--line); margin-bottom: 12px;
}
.user-dropdown-avatar { border-radius: 10px; border: 1px solid var(--line); }
.user-dropdown-head b { font-size: 14px; overflow: hidden; text-overflow: ellipsis; }
.user-dropdown-actions { display: flex; gap: 8px; }
.user-dropdown-form { flex: 1; display: flex; }
.user-dropdown-btn {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 10px; border-radius: 9px; font-size: 12.5px; cursor: pointer; font-family: inherit;
  border: 1px solid var(--line); background: var(--card); color: var(--text); white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s;
}
.user-dropdown-btn:hover { background: var(--card2); border-color: var(--primary); color: var(--primary); text-decoration: none; }
.user-dropdown-btn.is-danger:hover { border-color: rgba(220, 38, 38, .45); color: var(--danger); background: rgba(220, 38, 38, .06); }

/* ── 后台骨架：侧边栏 + 内容区（302 式一体化居中大容器，与顶栏内容同宽平齐）── */
.shell-layout {
  display: grid; grid-template-columns: 220px minmax(0, 1fr);
  width: calc(100% - 40px); max-width: 1500px; margin: 20px auto 44px;
  background: rgba(255, 255, 255, .55);
  border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden; /* 圆角裁切侧边栏背景 */
  min-height: calc(100vh - 140px);
}
.shell-sidebar {
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, .72);
  padding: 20px 12px;
}
.shell-side-title {
  font-size: .7rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--dim); padding: 0 10px 10px;
}
.shell-side-title-gap { padding-top: 18px; }
.shell-nav { display: flex; flex-direction: column; gap: 5px; }
.shell-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  color: var(--dim); font-size: .88rem;
  border: 1px solid transparent;
  transition: color .15s, background .15s;
}
.shell-nav-item:hover { color: var(--text); background: var(--card2); text-decoration: none; }
.shell-nav-item.is-active {
  color: var(--primary); background: var(--card2);
  border-color: rgba(13, 148, 136, .25); font-weight: 650;
}
.shell-main {
  /* 容器整体已居中限宽，内容区直接铺满右列 */
  padding: 26px 32px 46px; width: 100%;
  display: flex; flex-direction: column; gap: 18px;
}
.page-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.page-head h1 { font-size: 20px; }
.page-sub { color: var(--dim); font-size: 13px; }
.page-sub b { color: var(--primary); }

/* ── KPI 卡片行（302 式）── */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.kpi-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 6px; position: relative;
}
.kpi-ico {
  position: absolute; top: 16px; right: 16px;
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(13, 148, 136, .1); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.kpi-label { color: var(--dim); font-size: 13px; }
.kpi-value { font-size: 2rem; font-weight: 800; line-height: 1.15; color: #fff; }
.kpi-value-dark { color: var(--text); }
.kpi-foot { color: var(--dim); font-size: 12.5px; }
.kpi-foot b { color: var(--text); }
.kpi-main { background: var(--grad); border: none; box-shadow: 0 10px 30px rgba(13, 148, 136, .25); }
.kpi-main .kpi-label { color: rgba(255, 255, 255, .82); }
.kpi-actions { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 9px; font-size: 13px; font-weight: 650;
  color: #fff; border: 1px solid rgba(255, 255, 255, .65); background: rgba(255, 255, 255, .12);
  transition: background .15s;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .24); text-decoration: none; }

.kpi-corner {
  position: absolute; top: 0; right: 0;
  padding: 5px 12px; font-size: 12px; font-weight: 650; color: #fff;
  background: var(--grad); border-radius: 0 14px 0 12px;
  box-shadow: 0 3px 10px rgba(13, 148, 136, .25);
}
.kpi-corner:hover { text-decoration: none; filter: brightness(1.06); }
.kpi-unit { font-size: 12px; font-weight: 600; color: var(--dim); margin-left: 5px; }
.kpi-btns { display: flex; gap: 8px; margin-top: 4px; flex-wrap: wrap; }
.btn-line {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; border-radius: 8px; font-size: 12px; font-weight: 650;
  color: var(--primary); border: 1px solid rgba(13, 148, 136, .35); background: var(--card);
  transition: background .15s, border-color .15s;
}
.btn-line:hover { background: var(--card2); border-color: var(--primary); text-decoration: none; }
.btn-sm { padding: 8px 20px; font-size: 13px; }

/* KPI 推广卡（302 式渐变位）*/
.kpi-promo { background: var(--grad); border: none; overflow: hidden; box-shadow: 0 10px 30px rgba(13, 148, 136, .25); }
.kpi-promo:hover { text-decoration: none; }
.kpi-promo-big { font-size: 2rem; font-weight: 800; color: #fff; line-height: 1.1; }
.kpi-promo-big small { font-size: 13px; font-weight: 650; margin-left: 4px; color: rgba(255, 255, 255, .85); }
.kpi-promo-title { color: #fff; font-weight: 750; font-size: 15px; }
.kpi-promo-desc { color: rgba(255, 255, 255, .82); font-size: 12.5px; }
.kpi-promo .btn-ghost { align-self: flex-start; margin-top: 4px; }
.kpi-promo-deco {
  position: absolute; right: -6px; bottom: -10px; color: rgba(255, 255, 255, .18);
  pointer-events: none;
}

/* 302 式余额卡（全部 tab 页固定）+ 单卡行 */
.kpi-row-single { grid-template-columns: minmax(260px, 420px); }
.kpi-bal-main { display: flex; align-items: center; gap: 14px; margin-top: 2px; }
.kpi-bal-ico {
  width: 52px; height: 52px; border-radius: 50%; flex: none;
  background: rgba(13, 148, 136, .1); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.kpi-bal-num { font-size: 2rem; font-weight: 800; color: var(--text); line-height: 1.1; }
.kpi-bal-num small { font-size: 13px; font-weight: 650; color: var(--dim); margin-left: 6px; }
.kpi-bal-label { color: var(--dim); font-size: 12.5px; margin-top: 4px; }
.kpi-bal-label b { color: var(--text); }
.kpi-bal-foot { margin-top: 8px; }

/* 密码强度条 */
.pw-meter { display: flex; align-items: center; gap: 5px; margin-top: 7px; }
.pw-meter i { width: 34px; height: 5px; border-radius: 3px; background: rgba(15, 140, 115, .14); }
.pw-meter em { font-style: normal; font-size: 11.5px; color: var(--dim); margin-left: 4px; }
.pw-meter.pw-bad i { background: rgba(220, 38, 38, .18); }
.pw-meter.pw-bad i:first-child { background: var(--danger); }
.pw-meter.pw-bad em { color: var(--danger); }
.pw-meter.pw-weak i:nth-child(-n+1) { background: #f59e0b; }
.pw-meter.pw-weak em { color: #b45309; }
.pw-meter.pw-mid i:nth-child(-n+2) { background: #10b981; }
.pw-meter.pw-mid em { color: var(--ok); }
.pw-meter.pw-strong i { background: var(--primary); }
.pw-meter.pw-strong em { color: var(--primary); }

/* 弹窗内消息条 + 宽弹窗 + 价格表 */
.dialog-msg { border-radius: 9px; padding: 9px 12px; font-size: 13px; }
.dialog-msg.is-err { background: rgba(220, 38, 38, .07); border: 1px solid rgba(220, 38, 38, .25); color: var(--danger); }
.dialog-msg.is-ok { background: rgba(5, 150, 105, .08); border: 1px solid rgba(5, 150, 105, .3); color: var(--ok); }
.dialog-wide { width: min(94vw, 560px); }
.price-body { padding: 14px 20px 4px; }
.price-scroll { max-height: 52vh; overflow-y: auto; }
.price-num { font-weight: 700; color: var(--primary); white-space: nowrap; }
.price-loading { color: var(--dim); font-size: 13px; text-align: center; padding: 26px 0; }
.price-note { color: var(--dim); font-size: 12px; padding: 10px 20px 18px; }

/* logo 头像 */
.avatar-img { border-radius: 50%; border: 1px solid var(--line); object-fit: cover; display: block; }
.avatar-img-lg { width: 64px; height: 64px; box-shadow: 0 6px 18px rgba(13, 148, 136, .22); }
.avatar-img-sm { width: 36px; height: 36px; }

/* ── 筛选工具栏（302 式）── */
.dash-toolbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 16px; box-shadow: var(--shadow);
}
.toolbar-label { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--dim); }
.toolbar-select {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 10px; color: var(--text); font-size: 13px;
}
.toolbar-select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(13, 148, 136, .12); }
.toolbar-hint { color: var(--dim); font-size: 12px; margin-left: auto; }

/* ── 图表面板 ── */
.chart-row { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 14px; }
.chart-svg { width: 100%; height: auto; display: block; }
.chart-empty { color: var(--dim); font-size: 13px; padding: 42px 0; text-align: center; }
.chart-empty-sub { color: var(--dim); font-size: 12.5px; text-align: center; margin-top: 8px; }
.donut-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.donut-svg { width: 150px; height: 150px; flex: none; margin: 0 auto; }
.legend { list-style: none; flex: 1; min-width: 150px; display: flex; flex-direction: column; gap: 8px; }
.legend li { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text); }
.legend-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.legend li b { font-weight: 700; }
.legend li small { color: var(--dim); width: 34px; text-align: right; }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.legend-dot[data-c="0"] { background: #0d9488; }
.legend-dot[data-c="1"] { background: #06b6d4; }
.legend-dot[data-c="2"] { background: #14b8a6; }
.legend-dot[data-c="3"] { background: #0891b2; }
.legend-dot[data-c="4"] { background: #2dd4bf; }
.legend-dot[data-c="5"] { background: #67e8f9; }
.legend-dot[data-c="6"] { background: #5eead4; }
.legend-dot[data-c="7"] { background: #a5f3fc; }
@media (max-width: 1000px) {
  .chart-row { grid-template-columns: 1fr; }
}

/* ── 快捷功能卡 ── */
.app-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.action-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px;
  display: flex; flex-direction: column; gap: 7px; color: var(--text);
  box-shadow: var(--shadow); transition: border-color .15s, transform .15s, box-shadow .15s;
}
.action-card.is-ready:hover {
  border-color: rgba(13, 148, 136, .45); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 80, 64, .12); text-decoration: none;
}
.action-card.is-soon { opacity: .55; cursor: not-allowed; }
.action-ico {
  width: 40px; height: 40px; border-radius: 11px;
  background: rgba(13, 148, 136, .1); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.action-title { font-weight: 700; font-size: 15px; }
.action-desc { color: var(--dim); font-size: 12.5px; }

.app-note { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; box-shadow: var(--shadow); }
.app-note h2 { font-size: 15px; margin-bottom: 12px; }
.app-note ol { margin-left: 18px; color: var(--dim); font-size: 13.5px; line-height: 2; }
.app-contact { margin-top: 14px; color: var(--dim); font-size: 13px; }
.app-contact b { color: var(--primary); }

/* ── 提示条（flash-success 由 JS 3 秒后自动淡出）── */
.flash { border-radius: 10px; padding: 11px 14px; font-size: 13.5px; transition: opacity .45s ease, margin .3s ease; }
.flash.is-fade { opacity: 0; }
.flash-error { background: rgba(220, 38, 38, .07); border: 1px solid rgba(220, 38, 38, .25); color: var(--danger); }
.flash-success { background: rgba(5, 150, 105, .08); border: 1px solid rgba(5, 150, 105, .3); color: var(--ok); }

/* ── 新 Key 展示 ── */
.newkey-box {
  background: linear-gradient(135deg, rgba(20, 184, 166, .1), var(--card));
  border: 1px solid rgba(13, 148, 136, .4); border-radius: 14px; padding: 18px 20px;
  box-shadow: var(--shadow);
}
.newkey-title { font-weight: 700; margin-bottom: 10px; color: var(--primary); }
.newkey-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.newkey-code {
  background: var(--card2); border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 12px; font-size: 13px; word-break: break-all; flex: 1; min-width: 200px; color: var(--text);
}
.newkey-tip { margin-top: 10px; color: var(--dim); font-size: 12.5px; }
.newkey-tip code { color: var(--primary); background: var(--card2); border-radius: 6px; padding: 1px 6px; }

/* ── 面板 ── */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; box-shadow: var(--shadow); }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.panel-head h2 { font-size: 16px; }
.panel-sub { color: var(--dim); font-size: 13px; }
.panel-sub b { color: var(--primary); }
.panel-note { margin-top: 14px; color: var(--dim); font-size: 12.5px; }
.empty-tip { color: var(--dim); font-size: 13.5px; padding: 18px 0; text-align: center; }

/* ── 签发表单 ── */
.key-form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.field-label { color: var(--dim); }
.field-label i { color: var(--danger); font-style: normal; }
.field input, .field select {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; color: var(--text); font-size: 14px; transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(13, 148, 136, .12); }
.field-hint { color: var(--dim); font-size: 11.5px; }
.key-form-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.key-cost-preview { color: var(--dim); font-size: 13px; }
.key-cost-preview b { color: var(--primary); font-size: 15px; }
.btn-primary {
  padding: 11px 26px; border: none; border-radius: 10px; cursor: pointer;
  background: var(--grad); color: #fff;
  font-size: 14px; font-weight: 700; box-shadow: 0 4px 14px rgba(13, 148, 136, .25);
  transition: filter .15s;
}
.btn-primary:hover { filter: brightness(1.06); }

/* ── 表格（Key 列表 / 账单）── */
.key-table-wrap { overflow-x: auto; }
.key-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.key-table th {
  text-align: left; color: var(--dim); font-weight: 600; padding: 8px 10px;
  border-bottom: 1px solid var(--line); white-space: nowrap; background: var(--card2);
}
.key-table th:first-child { border-radius: 8px 0 0 8px; }
.key-table th:last-child { border-radius: 0 8px 8px 0; }
.key-table td { padding: 10px; border-bottom: 1px solid rgba(15, 140, 115, .1); vertical-align: middle; }
.key-table tr:hover td { background: rgba(238, 247, 243, .6); }
.key-mono { font-size: 12.5px; color: var(--text); font-family: ui-monospace, "SF Mono", Consolas, monospace; }
.key-status { font-size: 12px; padding: 3px 9px; border-radius: 20px; }
.key-status-ok { background: rgba(5, 150, 105, .1); color: var(--ok); }
.key-status-off { background: rgba(220, 38, 38, .08); color: var(--danger); }
.copy-btn {
  background: var(--card); border: 1px solid rgba(13, 148, 136, .35); color: var(--primary);
  border-radius: 8px; padding: 6px 12px; font-size: 12.5px; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.sr-copy-helper { position: fixed; top: -1000px; left: -1000px; opacity: 0; }
.copy-btn:hover { border-color: var(--primary); background: var(--card2); }
.copy-mini { padding: 3px 9px; font-size: 11.5px; margin-left: 6px; }

/* ── 使用说明 / 充值步骤 ── */
.usage-box { margin-top: 18px; border-top: 1px dashed var(--line); padding-top: 14px; }
.usage-box h3 { font-size: 13.5px; margin-bottom: 8px; }
.usage-box p { color: var(--dim); font-size: 12.5px; line-height: 1.9; }
.usage-box code { color: var(--primary); background: var(--card2); border: 1px solid var(--line); border-radius: 6px; padding: 2px 7px; }
.recharge-steps { display: flex; flex-direction: column; gap: 16px; }
.recharge-step { display: flex; gap: 14px; align-items: flex-start; }
.step-no {
  width: 26px; height: 26px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center;
  background: rgba(13, 148, 136, .12); color: var(--primary); font-weight: 700; font-size: 13px;
}
.recharge-step b { font-size: 14px; }
.recharge-step p { color: var(--dim); font-size: 13px; margin-top: 4px; line-height: 1.8; }
.recharge-step code { color: var(--primary); background: var(--card2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }

/* ── 积分账单 + Key 续充 ── */
.delta-pos { color: var(--ok); font-weight: 700; }
.delta-neg { color: var(--danger); font-weight: 700; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; vertical-align: 1px; }
.dot-pos { background: var(--ok); }
.dot-neg { background: var(--danger); }
.pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 16px; }
.pager-btn {
  padding: 6px 14px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--text); font-size: 13px; box-shadow: var(--shadow);
}
.pager-btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.pager-info { color: var(--dim); font-size: 13px; }
.topup-form { display: flex; gap: 6px; align-items: center; }
.topup-form input[type="number"] {
  width: 84px; padding: 5px 8px; border: 1px solid var(--line); border-radius: 7px;
  background: #fff; color: var(--text); font-size: 12px;
}
.topup-form input[type="number"]:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(13, 148, 136, .12); }

/* ── 个人设置（302 式：头像 + 账号信息行 + 改密码弹窗）── */
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad); color: #fff; font-weight: 800; border-radius: 50%;
  box-shadow: 0 4px 14px rgba(13, 148, 136, .25); user-select: none;
}
.avatar-lg { width: 64px; height: 64px; font-size: 26px; }
.avatar-sm { width: 36px; height: 36px; font-size: 15px; }
.settings-hero { display: flex; align-items: center; gap: 18px; }
.settings-hero-text h2 { font-size: 18px; margin-bottom: 4px; }
.settings-hero-text p { color: var(--dim); font-size: 13px; }
.settings-rows { display: flex; flex-direction: column; }
.settings-row {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 2px; border-bottom: 1px solid rgba(15, 140, 115, .1);
}
.settings-row:last-child { border-bottom: none; }
.settings-label { width: 170px; flex: none; color: var(--dim); font-size: 13.5px; }
.settings-value { flex: 1; font-size: 14px; color: var(--text); display: flex; align-items: center; }
.settings-action { flex: none; }

/* 弹窗（原生 <dialog>；* 重置清掉了 UA 的 margin:auto，这里显式写回保证居中） */
.dialog {
  margin: auto; padding: 0; border: none; border-radius: 16px;
  width: min(92vw, 420px); background: var(--card);
  box-shadow: 0 24px 80px rgba(16, 80, 64, .25);
  color: var(--text);
}
.dialog::backdrop { background: rgba(10, 40, 32, .45); backdrop-filter: blur(2px); }
.dialog-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px 0;
}
.dialog-head h3 { font-size: 16px; }
.dialog-x {
  background: none; border: none; cursor: pointer; color: var(--dim);
  font-size: 22px; line-height: 1; padding: 2px 6px; border-radius: 6px;
}
.dialog-x:hover { color: var(--text); background: var(--card2); }
.dialog-form { display: flex; flex-direction: column; gap: 14px; padding: 16px 20px 20px; }
.dialog-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.btn-plain {
  padding: 8px 18px; border-radius: 9px; cursor: pointer; font-size: 13px;
  border: 1px solid var(--line); background: var(--card); color: var(--dim);
  transition: color .15s, border-color .15s;
}
.btn-plain:hover { color: var(--text); border-color: var(--primary); }

/* ── 响应式：窄屏侧边栏转顶部横向导航 ── */
@media (max-width: 860px) {
  .shell-layout {
    grid-template-columns: 1fr;
    width: 100%; margin: 0; border-radius: 0; border-left: none; border-right: none;
    min-height: calc(100vh - 55px);
  }
  .shell-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--line); padding: 10px 12px;
  }
  .shell-side-title { display: none; }
  .shell-nav { flex-direction: row; overflow-x: auto; gap: 6px; }
  .shell-nav + .shell-nav { margin-top: 6px; }
  .shell-nav-item { white-space: nowrap; padding: 8px 12px; }
  .shell-main { padding: 18px 14px 40px; }
  .shell-brand-text small { display: none; }
}