:root {
  --ink: #12141a;
  --ink-2: #3d424f;
  --muted: #7b8290;
  --line: #e6e8ee;
  --bg: #f6f7f9;
  --card: #ffffff;
  --accent: #2f6bff;
  --accent-ink: #1c4fd6;
  --green: #0f9d63;
  --amber: #b7791f;
  --red: #d64545;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC",
    "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-ink); }
img { max-width: 100%; }

/* ---------------- 客户下载页 ---------------- */

.public-wrap { min-height: 100vh; display: flex; flex-direction: column; }

.hero {
  background:
    radial-gradient(900px 320px at 15% -10%, rgba(47, 107, 255, .16), transparent 60%),
    radial-gradient(700px 260px at 90% 0%, rgba(120, 80, 255, .12), transparent 55%),
    #ffffff;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 34px 24px 26px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(145deg, #2f6bff, #6a4bff);
  color: #fff; display: grid; place-items: center;
  font-size: 20px; font-weight: 700;
  box-shadow: 0 6px 18px rgba(47, 107, 255, .28);
}

.brand-title { font-size: 19px; font-weight: 700; letter-spacing: .2px; }
.brand-sub { color: var(--muted); font-size: 13px; margin-top: 1px; }

.hero-note {
  margin-top: 18px;
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  color: var(--ink-2); font-size: 13px;
}

.hero-note span::before {
  content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); margin-right: 7px; vertical-align: 1px;
}

.search-row { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; }

.search-box {
  position: relative; flex: 1 1 320px;
}

.search-box svg {
  position: absolute; left: 15px; top: 50%; transform: translateY(-50%);
  width: 17px; height: 17px; stroke: var(--muted);
}

.search-box input {
  width: 100%; height: 46px; border-radius: 12px;
  border: 1px solid var(--line); background: #fff;
  padding: 0 16px 0 43px; font-size: 14px; color: var(--ink);
  outline: none; transition: border-color .15s, box-shadow .15s;
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 107, 255, .12);
}

.chips { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.chip {
  height: 46px; padding: 0 16px; border-radius: 12px;
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  display: inline-flex; align-items: center; gap: 6px; font-size: 13px;
  cursor: pointer; transition: all .15s;
}

.chip:hover { border-color: #c9d3ea; color: var(--ink); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }

.letter-bar {
  margin-top: 14px; display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
}

.letter {
  min-width: 27px; height: 27px; padding: 0 7px; border-radius: 7px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: var(--ink-2); background: #fff;
  border: 1px solid transparent;
}
.letter:hover { background: #eef2fa; color: var(--accent-ink); }
.letter.active { background: var(--accent); color: #fff; }
.letter.empty { opacity: .28; pointer-events: none; }

.main { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 26px 24px 50px; }

.section-head {
  display: flex; align-items: baseline; gap: 10px; margin: 26px 0 12px;
}
.section-head:first-child { margin-top: 4px; }
.section-head h2 { font-size: 15px; font-weight: 700; margin: 0; letter-spacing: .3px; }
.section-head .count { color: var(--muted); font-size: 12px; }

.grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px;
}

.card {
  position: relative;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; display: flex; gap: 14px; align-items: flex-start;
  transition: box-shadow .18s, transform .18s, border-color .18s;
}

.card.menu-open { z-index: 50; }

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(18, 20, 26, .08);
  border-color: #d9deea;
}

.card-body { flex: 1; min-width: 0; }

.app-icon {
  width: 40px; height: 40px; flex: 0 0 40px; border-radius: 11px;
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 15px;
  letter-spacing: -.3px; user-select: none;
}

.card-title-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-title { font-size: 14.5px; font-weight: 600; }
.ver { font-size: 11.5px; color: var(--muted); background: #f2f4f8; border-radius: 6px; padding: 1px 6px; }

.meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; align-items: center; }

.badge {
  font-size: 11.5px; padding: 1px 7px; border-radius: 6px;
  background: #f2f4f8; color: var(--ink-2); white-space: nowrap;
}
.badge.official { background: #eaf1ff; color: #2b5bd7; }
.badge.agent { background: #eef7ee; color: #2c7a3f; }
.badge.feishu { background: #eef4ff; color: #2f6bff; }
.badge.lanzou { background: #fff4e6; color: #a35f00; }
.badge.other { background: #f3f0ff; color: #5b46b8; }
.badge.mac { background: #f1f2f4; color: #444; }
.badge.win { background: #eaf2fc; color: #1d63b8; }
.badge.android { background: #eaf7ee; color: #2c7a3f; }
.badge.linux { background: #fdf1e6; color: #9a5b12; }
.badge.all { background: #f3f0ff; color: #5b46b8; }

.notes { color: var(--muted); font-size: 12px; margin-top: 7px; }

.card-side { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }

.dl-wrap { position: relative; }

.source-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 6px);
  min-width: 208px; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; box-shadow: 0 16px 40px rgba(18, 20, 26, .14);
  padding: 6px; z-index: 20;
}
.source-menu.open { display: block; animation: pop .12s ease-out; }

@keyframes pop {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.source-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 9px 10px; border-radius: 8px; color: var(--ink); font-size: 13px;
}
.source-item:hover { background: #f5f7fb; color: var(--ink); }
.source-item b { font-weight: 600; display: block; }
.source-item small { color: var(--muted); font-size: 11.5px; }
.source-item svg { width: 14px; height: 14px; stroke: var(--muted); flex: 0 0 14px; }

.hint-mini { color: var(--muted); font-size: 11.5px; }

.btn-dl {
  display: inline-flex; align-items: center; gap: 7px;
  height: 36px; padding: 0 15px; border-radius: 10px;
  background: var(--ink); color: #fff; font-size: 13px; font-weight: 600;
  white-space: nowrap; transition: background .15s, transform .15s;
}
.btn-dl:hover { background: #000; color: #fff; transform: translateY(-1px); }
.btn-dl svg { width: 14px; height: 14px; stroke: currentColor; }

.copy-btn {
  border: none; background: none; color: var(--muted); font-size: 12px;
  cursor: pointer; padding: 0 2px;
}
.copy-btn:hover { color: var(--accent); }

.empty {
  background: #fff; border: 1px dashed #d8dde8; border-radius: var(--radius);
  padding: 54px 20px; text-align: center; color: var(--muted);
}

.footer {
  border-top: 1px solid var(--line); background: #fff;
  color: var(--muted); font-size: 12px;
}
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 18px 24px; display: flex;
  justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------------- 后台 ---------------- */

.admin-shell { display: flex; min-height: 100vh; background: #f7f8fa; }

.sidebar {
  width: 216px; flex: 0 0 216px; background: #101318; color: #c6ccd8;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.sidebar-brand { padding: 22px 20px 18px; display: flex; align-items: center; gap: 10px; }
.sidebar-brand .brand-mark { width: 34px; height: 34px; font-size: 16px; border-radius: 10px; }
.sidebar-brand b { color: #fff; font-size: 14.5px; font-weight: 600; }
.sidebar-brand small { display: block; color: #7d8494; font-size: 11px; font-weight: 400; }

.nav { padding: 6px 10px; display: flex; flex-direction: column; gap: 2px; }
.nav a {
  color: #a8b0bf; padding: 9px 12px; border-radius: 8px; font-size: 13.5px;
  display: flex; align-items: center; gap: 9px;
}
.nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.nav a.active { background: rgba(47, 107, 255, .18); color: #fff; }
.nav a .dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .5; }

.sidebar-foot { margin-top: auto; padding: 16px; border-top: 1px solid rgba(255, 255, 255, .07); }
.sidebar-foot a { color: #8b93a3; font-size: 12.5px; }

.admin-main { flex: 1; min-width: 0; padding: 26px 30px 50px; }
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap; margin-bottom: 18px; }
.admin-head h1 { font-size: 20px; margin: 0; font-weight: 700; }
.admin-head .sub { color: var(--muted); font-size: 12.5px; margin-top: 3px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px;
  margin-bottom: 18px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px;
}
.stat label { color: var(--muted); font-size: 12px; display: block; }
.stat b { font-size: 24px; font-weight: 700; letter-spacing: -.3px; }
.stat b.warn { color: var(--amber); }
.stat b.bad { color: var(--red); }

.panel {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  margin-bottom: 18px;
}
.panel-head { padding: 13px 16px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.panel-head h3 { margin: 0; font-size: 14px; font-weight: 650; }
.panel-body { padding: 16px; }

.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar input[type=text] {
  height: 34px; border: 1px solid var(--line); border-radius: 8px; padding: 0 11px;
  font-size: 13px; outline: none; min-width: 190px;
}
.toolbar input[type=text]:focus { border-color: var(--accent); }

.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; font-weight: 600; color: var(--muted); font-size: 12px;
  padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap;
  background: #fafbfc;
}
.tbl td { padding: 11px 12px; border-bottom: 1px solid #f0f2f6; vertical-align: middle; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:hover td { background: #fbfcfe; }
.tbl .name { font-weight: 600; }
.tbl .url { color: var(--muted); font-size: 11.5px; max-width: 300px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }

.status { font-size: 11.5px; padding: 2px 7px; border-radius: 6px; white-space: nowrap; }
.status.ok { background: #e9f7ef; color: var(--green); }
.status.update { background: #fff5e5; color: var(--amber); }
.status.error { background: #fdecec; color: var(--red); }
.status.unknown { background: #f2f4f8; color: var(--muted); }
.status.none { background: #f2f4f8; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px;
  border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  font-size: 12.5px; cursor: pointer; white-space: nowrap;
  transition: all .15s; text-decoration: none;
}
.btn:hover { border-color: #c7d0e2; color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); color: #fff; }
.btn.dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.dark:hover { background: #000; color: #fff; }
.btn.danger { color: var(--red); }
.btn.danger:hover { border-color: #f0bcbc; background: #fff7f7; }
.btn.sm { height: 27px; padding: 0 9px; font-size: 12px; border-radius: 7px; }
.btn.ghost { border-color: transparent; background: transparent; }

.actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.flash {
  padding: 11px 14px; border-radius: 10px; margin-bottom: 16px; font-size: 13px;
  border: 1px solid #cfe9d9; background: #effaf3; color: #14713f;
}
.flash.error { border-color: #f3cfcf; background: #fdf1f1; color: #a33131; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.field .hint { color: var(--muted); font-size: 11.5px; }
.field input[type=text], .field input[type=password], .field input[type=number],
.field select, .field textarea {
  border: 1px solid var(--line); border-radius: 9px; padding: 9px 11px;
  font-size: 13px; font-family: inherit; color: var(--ink); background: #fff; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47, 107, 255, .1);
}
.field textarea { resize: vertical; min-height: 76px; }
.field input[type=text].mono, .field textarea.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px;
}
.switch-row { display: flex; align-items: center; gap: 8px; }
.switch-row input[type=checkbox] { width: 15px; height: 15px; accent-color: var(--accent); }
.form-footer { margin-top: 20px; display: flex; gap: 10px; align-items: center; }

.source-row select, .source-row input {
  border: 1px solid var(--line); border-radius: 9px; padding: 8px 10px;
  font-size: 12.5px; font-family: inherit; color: var(--ink); background: #fff; outline: none;
  width: 100%; min-width: 0;
}
.source-row input.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11.5px; }
.source-row select:focus, .source-row input:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47, 107, 255, .1);
}

.login-page {
  min-height: 100vh; display: grid; place-items: center;
  background:
    radial-gradient(800px 400px at 20% 0%, rgba(47, 107, 255, .14), transparent 60%),
    radial-gradient(700px 380px at 85% 15%, rgba(122, 80, 255, .12), transparent 60%),
    #f6f7f9;
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 360px; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 30px 28px; box-shadow: 0 20px 50px rgba(18, 20, 26, .08);
}
.login-card .brand { justify-content: center; margin-bottom: 20px; }
.login-card h1 { font-size: 17px; text-align: center; margin: 0 0 4px; }
.login-card p { text-align: center; color: var(--muted); font-size: 12.5px; margin: 0 0 20px; }
.login-card input[type=password] {
  width: 100%; height: 42px; border: 1px solid var(--line); border-radius: 10px;
  padding: 0 13px; font-size: 14px; outline: none; margin-bottom: 12px;
}
.login-card input[type=password]:focus { border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 107, 255, .12); }
.login-card .btn { width: 100%; justify-content: center; height: 42px; font-size: 14px; }

.progress { height: 5px; background: #eef1f5; border-radius: 3px; overflow: hidden; min-width: 90px; }
.progress > i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }

.log-list { font-size: 12.5px; }
.log-row { display: flex; gap: 12px; padding: 8px 0; border-bottom: 1px solid #f2f4f8; }
.log-row:last-child { border-bottom: none; }
.log-row time { color: var(--muted); white-space: nowrap; font-size: 11.5px; }

.login-error { color: var(--red); font-size: 12.5px; margin-bottom: 10px; text-align: center; }

@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sidebar { width: 68px; flex-basis: 68px; }
  .sidebar-brand b, .sidebar-brand small, .nav a span, .sidebar-foot span { display: none; }
  .nav a { justify-content: center; }
  .admin-main { padding: 18px 16px 40px; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero-inner { padding: 24px 16px 20px; }
  .main { padding: 18px 16px 40px; }
  .card { padding: 14px; }
  .card-side { flex-direction: row; align-items: center; }
  .tbl th:nth-child(4), .tbl td:nth-child(4) { display: none; }
}

/* 加密区：隐蔽入口 + 解锁横幅 + 锁标 */
/* 调试用：暂时显示成右下角的小锁按钮，测试完改回 opacity: 0 */
.secret-dot {
  position: fixed; right: 16px; bottom: 16px; width: 36px; height: 36px;
  border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(18, 20, 26, .12);
  font-size: 15px; text-decoration: none; opacity: .9; z-index: 20;
}
.secret-dot:hover { opacity: 1; }
.vault-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin: 0 0 16px; padding: 10px 14px; border-radius: 10px;
  background: rgba(47, 107, 255, .08); border: 1px solid rgba(47, 107, 255, .22);
  color: var(--ink-2); font-size: 12.5px;
}
.vault-banner a { color: var(--accent); text-decoration: none; }
.lock-badge { font-size: 11px; opacity: .55; margin-left: 2px; }
.vault-back {
  display: block; text-align: center; margin-top: 14px;
  font-size: 12px; color: var(--muted); text-decoration: none;
}
.login-card .error {
  margin: -6px 0 12px; padding: 8px 12px; border-radius: 8px;
  background: #fdf1f1; border: 1px solid #f3cfcf; color: #a33131; font-size: 12.5px;
}

/* 合并卡片的下载弹层：按变体分组 */
.source-menu { max-height: 60vh; overflow-y: auto; }
.source-group {
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  padding: 8px 12px 4px; font-size: 11.5px; font-weight: 600; color: var(--ink-2);
  border-top: 1px solid #f1f3f7;
}
.source-group:first-child { border-top: none; }
.source-group small { font-weight: 400; color: var(--muted); font-size: 11px; }

/* 版本下拉框 + 未选择提示 */
.picker { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.variant-select {
  height: 32px; max-width: 190px; padding: 0 26px 0 10px;
  border: 1px solid var(--line); border-radius: 9px; background: #fff;
  font-size: 12.5px; color: var(--ink); cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a90a0' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center; background-size: 13px;
}
.variant-select:focus { outline: none; border-color: var(--accent); }
.variant-select.need { border-color: #e05555; box-shadow: 0 0 0 3px rgba(224, 85, 85, .12); }
.pick-hint { font-size: 11.5px; color: #d94343; }

/* 自动生成规则 */
.gen-row { display: flex; gap: 8px; }
.gen-row input { flex: 1; }
.gen-result { margin-top: 10px; display: flex; flex-direction: column; gap: 10px; }
.gen-head { font-size: 12.5px; color: var(--ink-2); }
.gen-note {
  font-size: 12px; color: #8a6d1f; background: #fdf8e8;
  border: 1px solid #f1e3b8; border-radius: 8px; padding: 8px 10px;
}
.gen-error {
  font-size: 12.5px; color: #a33131; background: #fdf1f1;
  border: 1px solid #f3cfcf; border-radius: 8px; padding: 10px 12px;
}
.gen-card {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  background: #fbfcfe; display: flex; flex-direction: column; gap: 6px;
}
.gen-card.active { border-color: var(--accent); background: rgba(47, 107, 255, .04); }
.gen-card-top { display: flex; align-items: center; gap: 10px; }
.gen-count { font-size: 11.5px; color: var(--muted); flex: 1; }
.gen-pattern {
  display: block; padding: 8px 10px; border-radius: 8px; background: #f2f4f8;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11.5px;
  color: #2b3446; word-break: break-all;
}
.gen-samples { display: flex; flex-direction: column; gap: 2px; }
.gen-sample {
  font-size: 11px; color: var(--muted); word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}