/*
 * 天道授权站 · 样式
 *
 * 照天道网课系统那套来：主色 #1677ff、卡片 8px 圆角、14px 正文、
 * 一张浅灰的页面底。不引 CSS 框架 —— 就这么点页面，多一个依赖多一个装不上的理由。
 */

:root {
  --brand: #1677ff;
  --brand-hover: #4096ff;
  --text: rgba(0, 0, 0, .88);
  --text-2: rgba(0, 0, 0, .65);
  --text-3: rgba(0, 0, 0, .45);
  --border: #d9d9d9;
  --line: #f0f0f0;
  --page: #f5f5f5;
  --danger: #d54941;
  --success: #52c41a;
  --orange: #d46b08;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04);
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--page); color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { margin: 0 0 4px; font-size: 20px; }
.lead { margin: 0 0 16px; font-size: 13px; color: var(--text-3); }
.muted { color: var(--text-3); }
.mono { font-family: Consolas, Monaco, "Courier New", monospace; }
.nowrap { white-space: nowrap; }
.empty { padding: 20px 0; color: var(--text-3); text-align: center; margin: 0; }
.tip-line { font-size: 12px; color: var(--text-3); margin: 12px 0 0; }
.tip-inline { margin-left: 10px; font-size: 12px; color: var(--text-3); }

/* ------------------------------------------------------------ 顶栏（前台） */

.topbar {
  display: flex; align-items: center; gap: 20px; height: 60px; padding: 0 24px;
  background: #fff; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 9px; font-size: 16px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .mark, .side-brand .mark {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 7px;
  background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: 1px;
}
.topnav { display: flex; gap: 18px; font-size: 14px; }
.topnav a { color: var(--text-2); }
.topright { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.site-main { max-width: 1000px; margin: 0 auto; padding: 22px 20px 60px; }
.foot { padding: 22px; text-align: center; font-size: 12px; color: var(--text-3); }

/* ------------------------------------------------------------ 侧栏（登录后） */

.app { display: flex; min-height: 100vh; }
.side {
  flex: 0 0 208px; padding: 14px 0; background: #fff; border-right: 1px solid var(--line);
}
.side-brand { display: flex; align-items: center; gap: 10px; padding: 0 16px 16px; }
.side-brand b { display: block; font-size: 15px; }
.side-brand small { display: block; font-size: 11px; color: var(--text-3); }
.side-group { padding: 12px 16px 6px; font-size: 11px; color: var(--text-3); }
.side-item {
  display: block; padding: 9px 16px; font-size: 13px; color: var(--text-2);
  border-right: 3px solid transparent;
}
.side-item:hover { background: #fafafa; text-decoration: none; }
.side-item.on { color: var(--brand); background: #e6f4ff; border-right-color: var(--brand); font-weight: 600; }
.side-item.danger { color: #c0414b; }
.main { flex: 1 1 auto; min-width: 0; }
.main-inner { max-width: 1180px; padding: 22px 24px 60px; }

/* ------------------------------------------------------------ 零件 */

.card {
  padding: 16px 18px; margin-bottom: 12px; background: #fff;
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card > h3 { display: flex; align-items: center; gap: 8px; margin: 0 0 14px; font-size: 15px; }
.card > h3 .right { margin-left: auto; font-size: 12px; font-weight: 400; color: var(--text-3); }

.grid { display: grid; gap: 12px; margin-bottom: 12px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 820px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .app { display: block; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); }
  .side-item { display: inline-block; border-right: 0; border-bottom: 3px solid transparent; }
  .side-item.on { border-right: 0; border-bottom-color: var(--brand); }
  .main-inner { padding: 16px 14px 48px; }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 6px 14px; font: inherit; font-size: 13px; color: var(--text); cursor: pointer;
  background: #fff; border: 1px solid var(--border); border-radius: 6px; white-space: nowrap;
}
.btn:hover { color: var(--brand); border-color: var(--brand); text-decoration: none; }
.btn-primary { color: #fff; background: var(--brand); border-color: var(--brand); }
.btn-primary:hover { color: #fff; background: var(--brand-hover); border-color: var(--brand-hover); }
.btn-danger { color: #fff; background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { color: #fff; background: #e05c54; border-color: #e05c54; }
.btn-lg { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-link {
  padding: 0; font: inherit; font-size: 13px; color: var(--brand);
  background: none; border: 0; cursor: pointer;
}
.btn-link.danger { color: var(--danger); }
.mb { margin-bottom: 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.tag {
  display: inline-block; padding: 0 8px; font-size: 12px; line-height: 21px;
  border-radius: 4px; white-space: nowrap;
}
.tag.blue { color: #0958d9; background: #e6f4ff; border: 1px solid #91caff; }
.tag.green { color: #389e0d; background: #f6ffed; border: 1px solid #b7eb8f; }
.tag.red { color: #cf1322; background: #fff1f0; border: 1px solid #ffa39e; }
.tag.gray { color: #595959; background: #fafafa; border: 1px solid #d9d9d9; }

table.tb { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tb th, table.tb td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.tb th { font-weight: 500; color: var(--text-2); background: #fafafa; }
table.tb tr:last-child td { border-bottom: 0; }
.tb-wrap { overflow-x: auto; }
.key-cell { font-size: 12px; letter-spacing: .3px; }

.metric { padding: 16px 18px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.metric span { display: block; font-size: 12px; color: var(--text-3); }
.metric strong { display: block; margin-top: 8px; font-size: 26px; font-weight: 600; }
.metric small { display: block; margin-top: 4px; font-size: 12px; color: var(--text-3); }
.metric small.hot { color: var(--danger); }

/* ------------------------------------------------------------ 首页 */

.notice {
  display: flex; gap: 11px; padding: 15px 17px; margin-bottom: 12px;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
}
.notice .ic { flex: 0 0 auto; font-size: 17px; }
.notice .body { flex: 1 1 auto; min-width: 0; }
.notice .body b { display: block; font-size: 15px; }
.notice .body p { margin: 6px 0 0; font-size: 13px; line-height: 1.9; color: var(--text-2); }
.notice .body small { display: block; margin-top: 7px; font-size: 12px; color: var(--text-3); }

.query-card { padding: 18px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.query-card h3 { margin: 0 0 4px; font-size: 15px; }
.query-card p { margin: 0 0 13px; font-size: 12px; color: var(--text-3); }
.query-card .row { display: flex; gap: 8px; }
.query-card input {
  flex: 1 1 auto; min-width: 0; height: 38px; padding: 0 11px; font: inherit; font-size: 13px;
  border: 1px solid var(--border); border-radius: 6px;
}
.query-card input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 2px rgba(22, 119, 255, .1); }
.query-result { margin-top: 12px; padding: 11px 13px; font-size: 13px; line-height: 1.8; border-radius: 6px; }
.query-result.good { color: #389e0d; background: #f6ffed; border: 1px solid #b7eb8f; }
.query-result.bad { color: #d46b08; background: #fff7e6; border: 1px solid #ffd591; }

.dl-card {
  display: flex; align-items: center; gap: 16px; padding: 18px; margin-top: 12px;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
}
.dl-card .ic { flex: 0 0 auto; font-size: 26px; }
.dl-card .body { flex: 1 1 auto; min-width: 0; }
.dl-card .body b { display: block; font-size: 15px; }
.dl-card .body p { margin: 4px 0 0; font-size: 12px; color: var(--text-3); }

.narrow { max-width: 460px; margin: 20px auto 0; }

/* ------------------------------------------------------------ 表单 */

.field { margin-bottom: 14px; }
.field label { display: block; margin-bottom: 5px; font-size: 12px; color: var(--text-3); }
.field input, .field select, .field textarea {
  width: 100%; padding: 8px 11px; font: inherit; font-size: 13px; color: var(--text);
  background: #fff; border: 1px solid var(--border); border-radius: 6px;
}
.field input, .field select { height: 38px; }
.field textarea { line-height: 1.7; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 2px rgba(22, 119, 255, .1);
}
.field .tip { margin-top: 5px; font-size: 12px; line-height: 1.8; color: var(--text-3); }
.field .with-btn { display: flex; gap: 8px; }
.field .with-btn input { flex: 1 1 auto; }
.field .with-btn .btn { height: 38px; flex: 0 0 auto; }
.checks { display: flex; gap: 16px; flex-wrap: wrap; padding-top: 6px; }
.checks .check { font-size: 13px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.inline-search { display: flex; gap: 8px; margin-left: auto; }
.inline-search input {
  height: 36px; padding: 0 11px; font: inherit; font-size: 13px;
  border: 1px solid var(--border); border-radius: 6px;
}
.inline-search select { height: 36px; padding: 0 8px; font: inherit; font-size: 13px; border: 1px solid var(--border); border-radius: 6px; }

.hint {
  padding: 11px 13px; font-size: 12px; line-height: 1.85; color: #3d5e99;
  background: #e6f4ff; border-radius: 6px;
}
.hint.warn { color: var(--orange); background: #fff7e6; }

.flash {
  padding: 11px 14px; margin-bottom: 12px; font-size: 13px; color: #389e0d;
  background: #f6ffed; border: 1px solid #b7eb8f; border-radius: 6px;
}
.flash.error { color: #cf1322; background: #fff1f0; border: 1px solid #ffa39e; }

.key-reveal {
  padding: 16px 18px; margin-bottom: 12px; background: #e6f4ff;
  border: 1px solid #91caff; border-radius: var(--radius);
}
.key-reveal b { display: block; font-size: 13px; color: #0958d9; }
.key-reveal code { display: block; margin: 8px 0 6px; font-size: 19px; font-weight: 700; letter-spacing: .5px; }
.key-reveal small { font-size: 12px; color: #3d5e99; }

/* ------------------------------------------------------------ 购买页 */

.credit-line { display: flex; align-items: center; gap: 14px; }
.credit-line span { font-size: 13px; color: var(--text-2); }
.credit-line b { font-size: 24px; font-weight: 600; }
.credit-line .tag { margin-left: auto; }

.price-card {
  padding: 18px; text-align: center; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
}
.price-card.on { border-color: #91caff; background: #f6fbff; }
.price-card h3 { margin: 0 0 6px; font-size: 15px; }
.price-card .price { margin: 10px 0 4px; font-size: 28px; font-weight: 700; color: var(--brand); }
.price-card .price small { font-size: 13px; font-weight: 400; color: var(--text-3); }
.price-card p { margin: 0; font-size: 12px; color: var(--text-3); }

.pay-line { display: flex; align-items: center; gap: 10px; padding-top: 12px; border-top: 1px solid var(--line); }
.pay-line .pay-amount { font-size: 22px; color: var(--brand); }
.pay-line .btn { margin-left: auto; }

/* ------------------------------------------------------------ 版本发布 */

.rel-card {
  display: flex; align-items: flex-start; gap: 14px; padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.rel-card:last-child { border-bottom: 0; }
.rel-card .ver { flex: 0 0 150px; }
.rel-card .ver b { display: block; font-size: 15px; }
.rel-card .ver small { display: block; margin-top: 3px; font-size: 12px; color: var(--text-3); }
.rel-card .body { flex: 1 1 auto; min-width: 0; font-size: 13px; color: var(--text-2); line-height: 1.8; }
.rel-card .stat { flex: 0 0 auto; text-align: right; font-size: 12px; color: var(--text-3); }
/* 右边的「详情 / 下架」两个链接，挨太近会看着像一个词 */
.rel-card > .nowrap { display: flex; align-items: center; gap: 14px; }
.rel-card .stat b { display: block; margin-bottom: 5px; font-size: 13px; color: var(--text); font-weight: 500; }
.version-line { display: flex; align-items: center; gap: 12px; }
.version-line b { font-size: 20px; }

/* ------------------------------------------------------------ 弹窗 */

.dialog { position: fixed; z-index: 60; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(0, 0, 0, .45); }
.dialog[hidden] { display: none; }
.dialog-box {
  width: min(520px, 100%); max-height: calc(100vh - 40px); overflow: auto;
  background: #fff; border-radius: 10px; box-shadow: 0 12px 40px rgba(0, 0, 0, .2);
}
.dialog-head { display: flex; align-items: center; gap: 10px; padding: 15px 20px; border-bottom: 1px solid var(--line); }
.dialog-head h3 { margin: 0; font-size: 16px; }
.dialog-head button { margin-left: auto; padding: 0 6px; font-size: 20px; line-height: 1; color: var(--text-3); background: none; border: 0; cursor: pointer; }
.dialog-body { padding: 18px 20px; }
.dialog-body .field:last-child { margin-bottom: 0; }
.dialog-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 13px 20px; border-top: 1px solid var(--line); }
.kv { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 9px 12px; font-size: 13px; }
.kv span { color: var(--text-3); }

/* ------------------------------------------------------------ 分页 */

.pager { display: flex; align-items: center; gap: 6px; padding: 12px 0 0; }
.pager span { margin-right: auto; font-size: 12px; color: var(--text-3); }
.pager .pg {
  min-width: 30px; height: 30px; padding: 0 8px; line-height: 28px; text-align: center;
  font-size: 13px; color: var(--text-2); background: #fff;
  border: 1px solid var(--border); border-radius: 4px;
}
.pager .pg:hover { color: var(--brand); border-color: var(--brand); text-decoration: none; }
.pager .pg.on { color: #fff; background: var(--brand); border-color: var(--brand); }

/* ------------------------------------------------------------ 提示条 */

.toast {
  position: fixed; z-index: 90; left: 50%; top: 22px; transform: translateX(-50%) translateY(-8px);
  max-width: 360px; padding: 10px 16px; font-size: 13px; color: #fff;
  background: #1f2733; border-radius: 6px; box-shadow: 0 6px 20px rgba(0, 0, 0, .2);
  opacity: 0; transition: .2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%); }