:root {
  --bg: #f4f4f5; --card: #fff; --text: #09090b; --muted: #6c6c75; --line: #e4e4e7;
  --primary: #0c7d97; --primary-text: #fff; --ok: #15803d; --ok-bg: #dcfce7;
  --warn: #a16207; --warn-bg: #fef3c7; --err: #e7000b; --err-bg: #fee2e2; --chip: #f4f4f5;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #09090b; --card: #18181b; --text: #fafafa; --muted: #9f9fa9; --line: #2a2a30;
    --primary: #00b5d4; --primary-text: #06232b; --ok: #4ade80; --ok-bg: #14301f; --warn: #facc15; --warn-bg: #3a300c;
    --err: #f87171; --err-bg: #3b1515; --chip: #27272a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.35rem; margin: 0 0 .8rem; }
h2 { font-size: 1.1rem; margin: 0 0 .7rem; }
h3 { font-size: 1rem; margin: 1.2rem 0 .5rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; }
.err { color: var(--err); }
.warn { color: var(--warn); }
.nowrap { white-space: nowrap; }

/* hidden 属性必须真的隐藏：否则 .two / fieldset / 表单 label 的 display:grid 会盖过它（兑换码切换卡密类型时踩过） */
[hidden] { display: none !important; }

header.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
/* 后台顶栏：内容限宽居中，和下面内容区（1150）左右对齐。排除用户页顶栏（.user-top 另有 1040 规则）*/
header.top:not(.user-top) > .top-inner { max-width: 1150px; margin: 0 auto; display: flex; align-items: center; gap: 1rem; padding: .6rem 16px; flex-wrap: wrap; }
header .brand { font-weight: 600; }
header nav { display: flex; gap: .2rem; flex-wrap: wrap; flex: 1; }
header nav a { padding: .3rem .6rem; border-radius: 6px; color: var(--text); }
header nav a.on { background: var(--chip); font-weight: 600; }
header nav a:hover { text-decoration: none; background: var(--chip); }
header .logout { margin-left: auto; }

/* 后台导航：常用页直接显示，其余收进「更多」下拉（按 运营 / 节点 / 系统 分组） */
header nav.nav-main { flex: 0 1 auto; flex-wrap: nowrap; }
header nav.nav-main a { white-space: nowrap; }
.nav-more { position: relative; }
.nav-more > summary { list-style: none; cursor: pointer; padding: .3rem .6rem; border-radius: 6px; white-space: nowrap; user-select: none; }
.nav-more > summary::-webkit-details-marker { display: none; }
.nav-more > summary::after { content: ""; display: inline-block; width: .38em; height: .38em; margin-left: .45em;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-.2em) rotate(45deg); }
.nav-more > summary:hover, .nav-more[open] > summary { background: var(--chip); }
.nav-more.on > summary { background: var(--chip); font-weight: 600; }
.nav-menu { position: absolute; left: 0; top: calc(100% + 6px); z-index: 10; display: grid; grid-template-columns: repeat(3, auto); gap: .2rem 1.2rem;
  padding: .7rem .8rem; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(0,0,0,.10); }
.nav-group { display: flex; flex-direction: column; gap: .1rem; }
.nav-group > span { font-size: .75rem; color: var(--muted); padding: .15rem .5rem .3rem; }
.nav-group a { padding: .35rem .5rem; border-radius: 6px; color: var(--text); white-space: nowrap; }
.nav-group a:hover { background: var(--chip); text-decoration: none; }
.nav-group a.on { background: var(--chip); font-weight: 600; }
.nav-break { display: none; }
/* 没有自动刷新状态的页面（状态按钮 hidden）也要把「退出」推到最右 */
header .live-status[hidden] + .logout { margin-left: auto; }
@media (max-width: 760px) {
  /* 第一行：标题 + 刷新状态 + 退出；第二行：可左右滑动的常用页 + 更多 */
  header.top:not(.user-top) > .top-inner { gap: .4rem .5rem; padding: .5rem 12px; }
  .nav-break { display: block; order: 4; flex-basis: 100%; height: 0; }
  header nav.nav-main { order: 5; flex: 1 1 0; min-width: 0; overflow-x: auto; scrollbar-width: none; }
  header nav.nav-main::-webkit-scrollbar { display: none; }
  .nav-more { order: 6; }
  .nav-menu { left: auto; right: 0; }
}

main { max-width: 1150px; margin: 1.2rem auto; padding: 0 16px; }
main.narrow { max-width: 420px; margin-top: 12vh; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem 1.2rem; margin-bottom: 1rem; }
.card.login h1 { text-align: center; }

.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.err { background: var(--err-bg); color: var(--err); }

.row-between { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: .6rem; }
.row-between h1, .row-between h2 { margin: 0; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: .85rem; }
table.kv th { width: 9rem; white-space: nowrap; }
table.kv td { overflow-wrap: anywhere; }
.card, [data-live] { overflow-x: auto; }

input, select, textarea, button, .btn { font: inherit; color: inherit; }
input, select, textarea { width: 100%; padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
button, .btn { display: inline-block; padding: .45rem .9rem; border: 1px solid var(--line); border-radius: 7px; background: var(--card); cursor: pointer; white-space: nowrap; }
button:hover, .btn:hover { text-decoration: none; filter: brightness(.97); }
button:focus-visible, .btn:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 2px; }
button.primary, .btn.primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }
button.danger { color: var(--err); }
button.link { border: 0; background: none; padding: 0; color: var(--primary); }
button.link.danger { color: var(--err); }

form.grid-form { display: grid; gap: .9rem; max-width: 720px; }
form.grid-form label { display: grid; gap: .3rem; }
form.inline-form, .inline-form { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
form.inline-form input { width: auto; flex: 1 1 10rem; }
form.inline-form select, .inline-form select { width: auto; }
form.inline { display: inline; margin-left: .6rem; }
.login form { display: grid; gap: .9rem; }
.login label { display: grid; gap: .3rem; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.two > label { align-content: end; }
@media (max-width: 640px) { .two { grid-template-columns: 1fr; } }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: .6rem .9rem .9rem; display: grid; gap: .5rem; }
legend { color: var(--muted); font-size: .9rem; padding: 0 .3rem; }
label.radio, label.check { display: flex !important; align-items: center; gap: .5rem; }
label.radio input, label.check input { width: auto; }
.actions { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }
.actions form.inline-form input { flex: 0 1 12rem; }

.badge { display: inline-block; padding: .05rem .5rem; border-radius: 999px; font-size: .8rem; background: var(--chip); color: var(--muted); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.err { background: var(--err-bg); color: var(--err); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin: .4rem 0 1rem; }
.stat .label { color: var(--muted); font-size: .85rem; }
.stat .value { font-size: 1.6rem; font-weight: 600; margin: .1rem 0 .3rem; }
.meter { height: 8px; background: var(--chip); border-radius: 999px; overflow: hidden; margin: .3rem 0; }
.meter.sm { height: 5px; max-width: 160px; }
.meter span { display: block; height: 100%; width: var(--w); background: var(--primary); }

.copy { display: flex; gap: .5rem; margin: .5rem 0 .8rem; }
.copy input { font-family: ui-monospace, Menlo, monospace; font-size: .85rem; }
details.help { margin: .5rem 0 1rem; }
details.help summary { cursor: pointer; color: var(--primary); }
details.help li { margin: .3rem 0; }

.bars { display: flex; align-items: flex-end; gap: 6px; height: 140px; padding-top: .5rem; }
.bar { flex: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; }
.bar span { width: 100%; height: var(--h); min-height: 2px; background: var(--primary); border-radius: 4px 4px 0 0; }
.bar em { font-style: normal; font-size: .7rem; color: var(--muted); margin-top: .2rem; }

pre.log { background: #0b0d10; color: #d1d5db; padding: .8rem; border-radius: 8px; max-height: 420px; overflow: auto; font-size: .82rem; white-space: pre-wrap; }

.live-status { margin-left: auto; border: 0; background: none; padding: .2rem .5rem; font-size: .8rem; color: var(--muted); border-radius: 6px; }
.live-status.on { color: var(--ok); }
.live-status.err { color: var(--err); }
.live-status:hover { background: var(--chip); }
header .live-status + .logout { margin-left: .5rem; }
.flash.notice { background: var(--warn-bg); color: var(--warn); }
.tabs { display: flex; gap: .3rem; flex-wrap: wrap; margin: .2rem 0 .8rem; }
.tabs a { padding: .3rem .7rem; border-radius: 999px; background: var(--chip); color: var(--text); font-size: .88rem; }
.tabs a.on { background: var(--primary); color: var(--primary-text); }
.tabs a:hover { text-decoration: none; filter: brightness(.96); }
.tabs .count { opacity: .7; margin-left: .2rem; }
.batch-bar { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; padding: .5rem .6rem; background: var(--chip); border-radius: 8px; margin-bottom: .6rem; }
.batch-bar select, .batch-bar input { width: auto; }
.batch-bar .short { width: 5rem; }
.meter.hot span { background: var(--err); }
.bars.wide { height: 160px; gap: 3px; }
.bars.wide .bar em { font-size: .62rem; writing-mode: horizontal-tb; }
@media (max-width: 700px) { .bars.wide .bar em { display: none; } }
button.small, .btn.small { padding: .15rem .5rem; font-size: .8rem; }
.renew-row { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.renew-row input[type=date] { flex: 1 1 11rem; width: auto; }
.renew-row input.renew-days { flex: 0 0 5.5rem; width: 5.5rem; }
.renew-row button { padding: .45rem .6rem; }
/* 使用教程（Markdown 渲染）*/
.md { line-height: 1.7; }
.md h1 { font-size: 1.3rem; margin: .8rem 0 .5rem; }
.md h2 { font-size: 1.12rem; margin: .8rem 0 .4rem; padding: 0; border: 0; }
.md h3 { font-size: 1rem; margin: .7rem 0 .3rem; }
.md p { margin: .5rem 0; }
.md ul, .md ol { margin: .4rem 0; padding-left: 1.4rem; }
.md li { margin: .2rem 0; }
.md a { color: var(--primary); text-decoration: underline; }
.md code { background: var(--chip); padding: .1rem .35rem; border-radius: 4px; font-size: .88em; }
.md pre { background: var(--chip); padding: .7rem .9rem; border-radius: 8px; overflow-x: auto; }
.md pre code { background: none; padding: 0; }
.md blockquote { margin: .5rem 0; padding: .3rem .9rem; border-left: 3px solid var(--line); color: var(--muted); }
.md blockquote strong { color: var(--text); }
.md table { width: auto; margin: .5rem 0; }
.md img { max-width: 100%; height: auto; border-radius: 6px; }
.md video { display: block; width: 100%; max-width: 680px; max-height: 68vh; height: auto; margin: .55rem 0; border-radius: 8px; background: #000; border: 1px solid var(--line); object-fit: contain; }
.md-video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; margin: .75rem 0 .25rem; }
@media (max-width: 680px) { .md-video-grid { grid-template-columns: 1fr; } }
.md-video-item { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--bg); display: flex; flex-direction: column; }
.md-video-title { padding: .55rem .8rem; font-size: .92rem; font-weight: 600; color: var(--text); border-bottom: 1px solid var(--line); }
.md-video-item video { max-width: 100%; max-height: none; aspect-ratio: 16 / 9; margin: 0; border: 0; border-radius: 0; }
.md details { border: 1px solid var(--line); border-radius: 8px; padding: .55rem .85rem; margin: .5rem 0; background: var(--bg); }
.md details > summary { cursor: pointer; font-weight: 600; color: var(--text); user-select: none; }
.md details[open] > summary { margin-bottom: .55rem; }
.md hr { border: 0; border-top: 1px solid var(--line); margin: 1rem 0; }
/* 站点 Logo */
.brand { display: flex; align-items: center; gap: .5rem; }
.site-logo { height: 28px; width: auto; vertical-align: middle; }
.login-logo { text-align: center; margin-bottom: .5rem; }
.login-logo img { max-height: 56px; width: auto; }

/* ===== 用户端改版：PPanel / shadcn 风格（极简中性、白卡细边框、克制阴影、大留白）===== */
body.user { background: var(--bg); }
body.user main { max-width: 1040px; }
body.user .card { border-radius: var(--radius); padding: 1.5rem; box-shadow: 0 1px 2px 0 rgba(0,0,0,.05); margin-bottom: 1rem; border: 1px solid var(--line); }
body.user .card h2 { font-size: .98rem; font-weight: 600; margin-bottom: 1.1rem; }

/* 账户概览：一张白卡 + 统计块网格（无渐变） */
.acct { }
.acct .acct-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.3rem; }
.acct .hello { font-size: 1.15rem; font-weight: 600; }
.acct .hello .muted { font-weight: 400; font-size: .9rem; margin-left: .1rem; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat-cell { border: 1px solid var(--line); border-radius: 8px; padding: 1rem 1.1rem; background: var(--bg); }
.stat-cell .k { font-size: .82rem; color: var(--muted); margin-bottom: .35rem; }
.stat-cell .v { font-size: 1.5rem; font-weight: 700; line-height: 1.15; }
.stat-cell .v.sm { font-size: 1.15rem; }
.stat-cell .sub { font-size: .85rem; color: var(--muted); margin-top: .4rem; }
.stat-meter { height: 6px; background: var(--chip); border-radius: 999px; overflow: hidden; margin: .5rem 0 .1rem; }
.stat-meter span { display: block; height: 100%; width: var(--w); background: var(--primary); border-radius: 999px; }
.stat-meter.hot span { background: var(--err); }
@media (max-width: 820px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .stat-grid { grid-template-columns: 1fr; } }
/* 用户首页手机端保持 2×2，避免四块竖排占满一屏 */
@media (max-width: 460px) {
  body.user .stat-grid { grid-template-columns: repeat(2, 1fr); gap: .6rem; }
  body.user .stat-cell { padding: .8rem .85rem; }
  body.user .stat-cell .v { font-size: 1.3rem; }
  body.user .stat-cell .v.sm { font-size: 1.05rem; }
}

/* 订阅链接区 */
body.user .sub-copy { display: flex; gap: .6rem; margin: .2rem 0 1rem; }
body.user .sub-copy input { font-family: ui-monospace, Menlo, monospace; font-size: .85rem; background: var(--bg); }
body.user .sub-copy button { padding: .5rem 1.4rem; font-weight: 500; }
body.user .sub-direct { margin: -.2rem 0 1rem; padding: .7rem .85rem .1rem; border: 1px dashed var(--line); border-radius: 8px; background: var(--bg); }
body.user .sub-direct-label { display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem .6rem; margin-bottom: .45rem; font-size: .9rem; }
body.user .sub-direct .sub-copy { margin-bottom: .7rem; }
body.user .sub-direct .sub-copy input { background: var(--card); }
body.user details.help { border: 1px solid var(--line); border-radius: 8px; padding: .1rem .9rem; margin: .4rem 0 1rem; }
body.user details.help summary { cursor: pointer; color: var(--primary); padding: .7rem 0; font-weight: 500; }
body.user details.help[open] summary { border-bottom: 1px solid var(--line); margin-bottom: .5rem; }
body.user details.help ul { padding-left: 1.2rem; margin: .3rem 0 .8rem; }
body.user details.help li { margin: .45rem 0; line-height: 1.7; }
body.user .sub-reset { margin-top: .2rem; }

/* 近 14 天用量 */
body.user .bars { height: 150px; gap: 8px; }
body.user .bar span { border-radius: 5px 5px 0 0; background: var(--primary); opacity: .85; }
body.user .bar:hover span { opacity: 1; }
/* 柱子允许收窄到比日期文字更窄，防止 14 根柱子把卡片撑出右边 */
body.user .bar { min-width: 0; }
body.user .bar em { white-space: nowrap; }
@media (max-width: 640px) {
  body.user .bars { gap: 3px; }
  body.user .bar em { font-size: .62rem; }
  body.user .bar:nth-child(even) em { visibility: hidden; } /* 手机上日期隔一个显示 */
}

/* 账号设置：邮箱/密码并排两列 */
body.user .acct-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { body.user .acct-grid { grid-template-columns: 1fr; } }
body.user .acct-grid .card { margin-bottom: 0; }
body.user .inline-form { gap: .6rem; }
body.user .inline-form input { flex: 1 1 100%; }
body.user .inline-form button { flex: 0 0 auto; padding: .5rem 1.2rem; }

/* 用户页：公告条改成与主色协调的轻提示（覆盖全局 .flash.notice 的土黄）*/
body.user .flash.notice {
  background: color-mix(in srgb, var(--primary) 10%, var(--card));
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--line));
  border-radius: var(--radius);
  display: flex; align-items: center; gap: .5rem; font-size: .9rem;
}
body.user .flash.ok { background: var(--ok-bg); color: var(--ok); border-radius: var(--radius); }
body.user .flash.err { background: var(--err-bg); color: var(--err); border-radius: var(--radius); }
/* 复制按钮、柱状图统一用主色（之前残留的浅蓝）*/
body.user .sub-copy button.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
body.user .bar span { background: var(--primary); }

/* 用户顶栏：内容限宽居中，和下面卡片左右对齐 */
.user-top { padding: 0; }
.user-top .top-inner { max-width: 1040px; margin: 0 auto; width: 100%; padding: .7rem 16px; display: flex; align-items: center; gap: 1rem; }
.user-top .brand { font-size: 1.05rem; font-weight: 600; display: flex; align-items: center; gap: .5rem; }
.user-top .top-right { margin-left: auto; display: flex; align-items: center; gap: .3rem; }
.user-top .logout { margin: 0; }
.user-top .live-status { margin: 0; }
/* 公告条全宽（和卡片一致），不再是飘着的小方块 */
body.user .flash { width: 100%; }

/* 一键导入 Shadowrocket */
body.user .sub-import { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; margin: 0 0 1rem; }
body.user .import-sr { display: inline-flex; align-items: center; gap: .4rem; padding: .55rem 1.1rem;
  background: var(--primary); color: var(--primary-text); border: 0; border-radius: 8px; font-weight: 500; }
body.user .import-sr:hover { text-decoration: none; filter: brightness(1.05); }
body.user .import-sr .ico { font-size: 1.05em; }
/* 导入失败提示：默认折叠成一行，点开再看说明 */
body.user .sr-tip { flex-basis: 100%; margin: 0; font-size: .9rem; }
body.user .sr-tip summary { cursor: pointer; width: fit-content; color: var(--warn); font-weight: 500; list-style: none; }
body.user .sr-tip summary::-webkit-details-marker { display: none; }
body.user .sr-tip summary::after { content: " ›"; display: inline-block; transition: transform .15s; }
body.user .sr-tip[open] summary::after { transform: rotate(90deg); }
body.user .sr-tip p { margin: .5rem 0 0; padding: .7rem .9rem; line-height: 1.7;
  border: 1px solid color-mix(in srgb, var(--warn) 35%, var(--line)); border-radius: 8px;
  background: color-mix(in srgb, var(--warn) 10%, var(--card)); color: var(--text); }
body.user .sr-tip b { color: var(--text); }

/* 用户顶栏手机端优化：站名占主空间、不硬换行、退出收紧 */
.user-top .brand { min-width: 0; flex: 1; }
.user-top .brand span { overflow: hidden; text-overflow: ellipsis; }
.user-top .top-right { flex: 0 0 auto; }
@media (max-width: 640px) {
  .user-top .top-inner { padding: .6rem 14px; gap: .6rem; }
  .user-top .brand { font-size: .98rem; line-height: 1.25; }
  .user-top .site-logo { height: 24px; }
}

/* 服务器列表：紧凑单行高密度表格（一台一行，高度与标题行持平，悬停看完整指标）*/
.card.nodes-sec { padding: .68rem .75rem .32rem; }
.card.nodes-sec > h2 { font-size: .95rem; margin: 0 0 .3rem; }
.nodes-empty { margin: .3rem 0 .4rem; }
table.nodes-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.nodes-table th { padding: .26rem .19rem; font-size: .73rem; font-weight: 500; color: var(--muted); border-bottom: 1px solid var(--line); white-space: nowrap; }
.nodes-table td { padding: .3rem .19rem; font-size: .78rem; line-height: 1.25; vertical-align: middle; white-space: nowrap; border-bottom: 1px solid var(--line); }
.nodes-table th:first-child, .nodes-table td:first-child { padding-left: .1rem; }
.nodes-table th:last-child, .nodes-table td:last-child { padding-right: .1rem; }
.nodes-table .v.small { font-size: inherit; }
.nodes-table tbody tr:last-child td { border-bottom: 0; }
.nodes-table tbody tr:hover td { background: color-mix(in srgb, var(--chip) 70%, transparent); }
.nodes-table .col-act { text-align: right; }
.node-cell-main { display: inline-flex; align-items: center; gap: .25rem; vertical-align: middle; }
.node-name { font-weight: 600; font-size: .82rem; }
.node-ver, .node-sub { font-size: .71rem; color: var(--muted); }
.node-sni-wrap { display: inline-flex; align-items: baseline; gap: .12rem; vertical-align: middle; }
.node-sni { display: inline-block; max-width: 5.8rem; overflow: hidden; text-overflow: ellipsis; vertical-align: bottom; }
.node-fwd-tag { max-width: 4.6rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: middle; }
.node-err-inline { display: inline-block; max-width: 5rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .72rem; color: var(--err); }
.nodes-table .badge { padding: .03rem .32rem; font-size: .69rem; line-height: 1.3; }
.node-tags { display: inline-flex; align-items: center; gap: .15rem; vertical-align: middle; }
.stag { display: inline-block; padding: .02rem .22rem; border-radius: 4px; font-size: .69rem; line-height: 1.35; background: var(--chip); color: var(--muted); }
.stag.ok { background: var(--ok-bg); color: var(--ok); }
.stag.warn { background: var(--warn-bg); color: var(--warn); }
.stag.err { background: var(--err-bg); color: var(--err); }
.row-acts { display: inline-flex; gap: .2rem; justify-content: flex-end; vertical-align: middle; }
.btn.xs, button.xs { padding: .08rem .34rem; font-size: .72rem; line-height: 1.3; border-radius: 5px; }

/* 用户列表分页 */
.pager { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1rem; flex-wrap: wrap; }
.pager .btn.disabled { opacity: .4; pointer-events: none; }
.pager-info { text-align: center; margin-top: 1rem; }

/* 邮件发送记录：筛选栏 + 每封邮件的发送原因 */
.log-filter { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin: .2rem 0 .9rem; }
.log-filter select, .log-filter input { width: auto; flex: 0 1 auto; }
.log-filter input { flex: 1 1 220px; min-width: 0; }
table.mail-log td { vertical-align: top; }
.mail-log .reason { margin-top: .25rem; font-size: .8rem; line-height: 1.5; color: var(--muted); }
.wrap { white-space: normal; max-width: 240px; }

/* 页面标题行（兑换码、线路）与可收起的新建表单卡片 */
.page-head { margin-bottom: .9rem; }
.card-lead { margin-top: 0; }
details.fold > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; user-select: none; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary h2 { margin: 0; font-size: 1.05rem; }
details.fold > summary::after { content: ""; width: .45em; height: .45em; border-right: 1.8px solid var(--muted); border-bottom: 1.8px solid var(--muted); transform: rotate(45deg); transition: transform .15s; margin-right: .2rem; flex: 0 0 auto; }
details.fold[open] > summary { padding-bottom: .75rem; margin-bottom: .9rem; border-bottom: 1px solid var(--line); }
details.fold[open] > summary::after { transform: translateY(.15em) rotate(225deg); }

/* 兑换码生成：分段类型切换、时长「数字 + 单位」、高级折叠 */
.seg { display: inline-flex; flex-wrap: wrap; max-width: 100%; padding: 3px; background: var(--chip); border: 1px solid var(--line); border-radius: 8px; width: fit-content; gap: 2px; }
.seg label { display: inline-flex !important; align-items: center; padding: .32rem .95rem; border-radius: 6px; cursor: pointer; font-size: .92rem; color: var(--muted); user-select: none; }
.seg input { position: absolute; opacity: 0; pointer-events: none; width: 0; height: 0; }
.seg label:has(input:checked) { background: var(--card); color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.seg label:has(input:focus-visible) { outline: 2px solid var(--primary); outline-offset: 1px; }
.dur { display: flex; gap: .45rem; }
.dur input { flex: 1 1 5rem; min-width: 0; }
.dur select { flex: 1 1 6rem; width: auto; }
details.adv { border: 1px solid var(--line); border-radius: 8px; padding: .55rem .85rem; background: var(--bg); }
details.adv > summary { cursor: pointer; font-size: .9rem; color: var(--muted); user-select: none; }
details.adv[open] > summary { margin-bottom: .75rem; color: var(--text); font-weight: 500; }
details.adv > .two + .two { margin-top: .75rem; }

/* 用户列表搜索栏、编辑用户桌面双栏 */
.user-search input[name="q"] { min-width: 15rem; }
@media (max-width: 640px) { .user-search input[name="q"] { min-width: 0; } }
.user-edit-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
@media (max-width: 900px) { .user-edit-grid { grid-template-columns: 1fr; gap: 0; } }

/* 后台数据表格：表头不折字，窄屏在卡片内横向滑动，避免压成一字宽 */
body.admin table:not(.kv) th { white-space: nowrap; }
@media (max-width: 760px) {
  body.admin .card table:not(.kv) { min-width: 520px; }
  body.admin table.users-table,
  body.admin table.nodes-table,
  body.admin table.lines-table,
  body.admin table.batches,
  body.admin table.mail-log { min-width: 640px; }
}

/* 邮件通知模板编辑器 + 真实收件预览 */
.tpl-nav { display: flex; gap: .3rem; flex-wrap: wrap; padding: .3rem; background: var(--chip); border: 1px solid var(--line); border-radius: 9px; margin: .2rem 0 .85rem; width: fit-content; max-width: 100%; }
.tpl-nav a { padding: .32rem .75rem; border-radius: 6px; color: var(--muted); font-size: .9rem; white-space: nowrap; }
.tpl-nav a:hover { text-decoration: none; color: var(--text); }
.tpl-nav a.on { background: var(--card); color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.tpl-dot { color: var(--primary); font-size: .68em; vertical-align: middle; }
.tpl-when { margin: 0 0 .9rem; padding: .5rem .75rem; background: var(--bg); border-left: 3px solid var(--primary); border-radius: 0 6px 6px 0; }
.tpl-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr); gap: 1.25rem; align-items: start; }
@media (max-width: 920px) { .tpl-grid { grid-template-columns: 1fr; } }
.tpl-form { max-width: none; }
input.readonly-hint { background: var(--chip); color: var(--muted); cursor: default; }
input.readonly-hint:focus { outline: none; }
.var-box { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: .6rem .75rem; display: grid; gap: .45rem; }
.var-chips { display: flex; flex-wrap: wrap; gap: .35rem; }
button.var-chip { padding: .2rem .5rem; font-size: .78rem; border-radius: 6px; background: var(--card); border: 1px solid var(--line); color: var(--text); line-height: 1.4; }
button.var-chip .mono { color: var(--primary); font-weight: 500; }
button.var-chip:hover { border-color: var(--primary); filter: none; background: color-mix(in srgb, var(--primary) 6%, var(--card)); }
.tpl-reset-form { margin-top: .55rem; }
.tpl-test-form { margin-top: .9rem; padding-top: .9rem; border-top: 1px solid var(--line); }
.tpl-preview-col { position: sticky; top: 4.2rem; }
@media (max-width: 920px) { .tpl-preview-col { position: static; } }
.tpl-pv-title { margin-bottom: .45rem; }
.mail-preview { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.mail-preview-meta { padding: .65rem .9rem; background: var(--bg); border-bottom: 1px solid var(--line); font-size: .84rem; display: grid; gap: .2rem; overflow-wrap: anywhere; }
.mail-preview-canvas { background: #f5f6f8; color: #1c1e21; padding: 18px 14px; font: 14.5px/1.7 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
.mail-preview-card { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 20px; }
.mail-preview-site { font-weight: 600; font-size: 16px; margin-bottom: 10px; color: #111827; }
.mail-preview-p { margin: 0 0 11px; color: #1c1e21; overflow-wrap: anywhere; }
.mail-preview-btn-row { margin: 18px 0 10px; }
.mail-preview-btn { display: inline-block; background: #2563eb; color: #fff; padding: 9px 18px; border-radius: 7px; font-size: 14px; font-weight: 500; }
.mail-preview-url-hint { margin: 0 0 10px; font-size: 12px; color: #6b7280; overflow-wrap: anywhere; line-height: 1.5; }
.mail-preview-foot { margin: 14px 0 0; font-size: 13px; color: #6b7280; overflow-wrap: anywhere; }
.mail-preview-auto { font-size: 12px; color: #9ca3af; text-align: center; margin: 10px 0 0; }

/* 添加服务器 & 服务器详情设置行 */
.field-label { margin-bottom: .35rem; }
.role-hint { margin: .55rem 0 0; padding: .5rem .75rem; background: var(--bg); border-left: 3px solid var(--primary); border-radius: 0 6px 6px 0; line-height: 1.55; }
.tunnel-fields { display: grid; gap: .75rem; margin-top: .75rem; padding-top: .75rem; border-top: 1px dashed var(--line); }
.adv-tip { margin: 0; }
.setting-rows { display: grid; gap: .85rem; }
.setting-rows > div + div { padding-top: .85rem; border-top: 1px solid var(--line); }
.setting-split { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; align-items: center; }
.row-note { margin: .35rem 0 0; }
form.inline-form input.short, input.short { width: 5.5rem; flex: 0 0 5.5rem; }

/* 线路表单：名称+倍率同排、横向分组胶囊勾选、高级与中转底部栏 */
.line-name-rate { display: grid; grid-template-columns: minmax(0, 1fr) 9.5rem; gap: .9rem; align-items: end; }
@media (max-width: 640px) { .line-name-rate { grid-template-columns: 1fr; } }
.group-pills { display: flex; flex-wrap: wrap; gap: .5rem; }
label.group-pill { display: inline-flex !important; align-items: center; gap: .45rem; padding: .38rem .75rem; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); cursor: pointer; user-select: none; font-size: .92rem; }
label.group-pill input { width: auto; margin: 0; accent-color: var(--primary); }
label.group-pill:has(input:checked) { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, var(--card)); font-weight: 500; }
.line-adv-bottom { display: flex; flex-wrap: wrap; gap: .85rem 1.4rem; align-items: flex-end; margin-top: .85rem; padding-top: .75rem; border-top: 1px dashed var(--line); }
.line-sort-field { width: 7.5rem; }
label.line-enable-check { padding-bottom: .45rem; }