/* 秋招工具站 · macOS 毛玻璃（Glassmorphism）主题
   底层壁纸由 /ui.js 注入到 CSS 变量 --bg-image，每天轮换一张；
   所有面板=半透明 + 背景模糊(backdrop-filter)，文字保持深色以保证可读性。 */
:root {
  --bg-image: none;
  --card: rgba(255, 255, 255, .58);
  --card-soft: rgba(255, 255, 255, .42);
  --line: rgba(255, 255, 255, .62);
  --hair: rgba(0, 0, 0, .075);
  --ink: #16181d;
  --muted: #5d6472;
  --brand: #0a84ff;
  --brand2: #0a84ff;
  --ok: #1a7f37;
  --warn: #8a5a00;
  --bad: #d70015;
  --blur: blur(24px) saturate(180%);
  --radius: 18px;
  --shadow: 0 10px 30px rgba(10, 14, 24, .20);
}
* { box-sizing: border-box; }

html { background: #c9d0da; }
body {
  margin: 0; min-height: 100vh;
  font: 14px/1.7 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink);
  background-color: #c9d0da;
  background-image: var(--bg-image, none);
  background-size: cover; background-position: center; background-repeat: no-repeat; background-attachment: fixed;
}
/* 压暗一层，保证亮背景上白玻璃面板与文字依然清晰 */
body::before {
  content: ''; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(8, 10, 16, .36), rgba(8, 10, 16, .06) 42%, rgba(8, 10, 16, .40));
}
.hd, .wrap { position: relative; z-index: 1; }

/* ---------- 顶栏（深色毛玻璃，类 macOS 菜单栏） ---------- */
.hd {
  margin: 12px 16px 0; padding: 12px 20px; display: flex; align-items: center; gap: 12px;
  background: rgba(20, 22, 30, .44); color: #fff;
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border: 1px solid rgba(255, 255, 255, .16); border-radius: 16px; box-shadow: var(--shadow);
}
.hd b { font-weight: 600; font-size: 15px; letter-spacing: .2px; }
.hd .sp { margin-left: auto; font-size: 12px; opacity: .9; }
.hd a { color: #fff; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .35); }
.hd a:hover { border-bottom-color: #fff; }
.hd .chip { background: rgba(255, 255, 255, .2); color: #fff; border: 0; }
.hd .chip.ok { background: rgba(52, 199, 89, .28); color: #d8ffe4; }
.hd .chip.warn { background: rgba(255, 179, 64, .26); color: #ffe9c7; }

.wrap { max-width: 1120px; margin: 18px auto; padding: 0 16px 48px; }
.card {
  background: var(--card); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 16px; box-shadow: var(--shadow);
}
h2 { font-size: 15px; font-weight: 600; margin: 0 0 12px; color: var(--ink); }

/* ---------- 控件 ---------- */
input, select, textarea, button { font: 14px inherit; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], select, textarea {
  padding: 9px 12px; border: 1px solid rgba(255, 255, 255, .72); border-radius: 11px;
  background: rgba(255, 255, 255, .70); color: var(--ink);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
input::placeholder, textarea::placeholder { color: #8b93a1; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--brand); background: rgba(255, 255, 255, .9);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, .2);
}
button {
  padding: 9px 16px; border: 0; border-radius: 11px; background: var(--brand); color: #fff;
  cursor: pointer; font-weight: 500; transition: transform .1s, filter .12s;
  box-shadow: 0 4px 14px rgba(10, 132, 255, .3);
}
button:hover { filter: brightness(1.07); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .55; cursor: default; filter: none; }
button.sec {
  background: rgba(255, 255, 255, .66); color: #333a48; border: 1px solid rgba(255, 255, 255, .75);
  box-shadow: none; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
button.danger { background: var(--bad); box-shadow: 0 4px 14px rgba(215, 0, 21, .26); }
button.small { padding: 5px 11px; font-size: 12px; border-radius: 9px; }

/* ---------- 表格 ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--hair); vertical-align: top; }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }
td a { color: var(--brand); word-break: break-all; }
table.sticky th { position: sticky; top: 0; background: rgba(255, 255, 255, .86); z-index: 2; }

/* ---------- 通用小件 ---------- */
.chip { font-size: 12px; padding: 2px 9px; border-radius: 999px; background: rgba(255, 255, 255, .62); color: #4a5160; border: 1px solid rgba(255, 255, 255, .6); }
.chip.ok { background: rgba(52, 199, 89, .22); color: var(--ok); border-color: rgba(52, 199, 89, .3); }
.chip.warn { background: rgba(255, 179, 64, .24); color: var(--warn); border-color: rgba(255, 179, 64, .32); }
.chip.bad { background: rgba(255, 59, 48, .18); color: var(--bad); border-color: rgba(255, 59, 48, .28); }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.err { color: var(--bad); font-size: 13px; min-height: 20px; }
.err.ok { color: var(--ok); }
.muted { color: var(--muted); font-size: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.stat { background: var(--card-soft); border: 1px solid var(--line); border-radius: 14px; padding: 12px; }
.stat b { display: block; font-size: 22px; font-weight: 600; }

/* ---------- 认证页 ---------- */
.tabs { display: flex; gap: 6px; margin-bottom: 14px; border-bottom: 1px solid var(--hair); }
.tab { background: transparent; color: var(--muted); border-radius: 10px 10px 0 0; box-shadow: none; font-weight: 400; }
.tab:hover { filter: none; background: rgba(255, 255, 255, .45); }
.tab.on { background: var(--brand); color: #fff; box-shadow: 0 4px 14px rgba(10, 132, 255, .3); }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.field input, .field select, .field textarea { width: 100%; max-width: 100%; }
.field textarea { resize: vertical; }
.hint { font-size: 12px; color: var(--muted); min-height: 16px; }
.hint.err { color: var(--bad); }
.req { color: var(--bad); }
.invalid { border-color: var(--bad) !important; background: rgba(255, 235, 235, .92) !important; }
.eye { background: transparent; color: var(--brand); padding: 0 4px; font-size: 12px; border: 0; box-shadow: none; }

/* ---------- 表单页 ---------- */
.bar { position: sticky; top: 12px; z-index: 5; }
.layout { display: grid; grid-template-columns: 170px 1fr; gap: 16px; align-items: start; }
.nav { position: sticky; top: 96px; padding: 12px; }
.navlink { display: block; padding: 5px 8px; border-radius: 9px; color: #454c5a; font-size: 13px; text-decoration: none; }
.navlink:hover { background: rgba(255, 255, 255, .6); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px 14px; margin-top: 8px; }
.grid2 .field { margin-bottom: 0; }
.item { margin-bottom: 4px; }

/* ---------- 套餐状态条 ---------- */
#plan { margin-left: 10px; }
.planbar {
  padding: 14px 18px; border-radius: 14px; margin-bottom: 16px; font-size: 13px; line-height: 1.7;
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); box-shadow: var(--shadow);
}
.planbar.bad { background: rgba(215, 0, 21, .88); color: #fff; border: 1px solid rgba(255, 255, 255, .25); }
.planbar.warn { background: rgba(255, 214, 153, .82); color: #6b4400; border: 1px solid rgba(255, 255, 255, .5); }
.planbar.ok { background: rgba(214, 245, 218, .82); color: #14532d; border: 1px solid rgba(255, 255, 255, .5); }

/* ---------- 榜单页 ---------- */
.hero { text-align: center; padding: 26px 20px 22px; }
.hero-k { font-size: 11px; letter-spacing: 3px; color: var(--muted); }
.hero-t { font-size: 30px; font-weight: 700; margin: 6px 0 8px; letter-spacing: 2px; }
.hero-s { font-size: 12.5px; color: var(--muted); max-width: 520px; margin: 0 auto; }
.hero-m { margin-top: 12px; font-size: 13px; font-weight: 500; }
.podium { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; align-items: end; }
.pod {
  text-align: center; padding: 14px 8px; border-radius: 14px;
  background: rgba(255, 255, 255, .5); border: 1px solid var(--line);
}
.pod-1 { padding: 22px 8px; background: linear-gradient(180deg, rgba(255, 233, 168, .78), rgba(255, 255, 255, .5)); border-color: rgba(212, 165, 60, .45); }
.pod-2 { background: linear-gradient(180deg, rgba(226, 232, 240, .82), rgba(255, 255, 255, .5)); }
.pod-3 { background: linear-gradient(180deg, rgba(246, 220, 196, .82), rgba(255, 255, 255, .5)); }
.pod-m { font-size: 26px; line-height: 1.2; }
.pod-1 .pod-m { font-size: 34px; }
.pod-n { font-weight: 600; margin-top: 4px; word-break: break-all; }
.pod-v { font-size: 18px; font-weight: 600; color: var(--brand); }

/* ---------- 背景切换浮层 ---------- */
.bgctl { position: fixed; right: 18px; bottom: 18px; z-index: 50; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.bg-fab {
  width: 44px; height: 44px; padding: 0; font-size: 19px; border-radius: 50%;
  background: rgba(255, 255, 255, .62); color: #22262f; border: 1px solid rgba(255, 255, 255, .7);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); box-shadow: var(--shadow);
}
.bg-panel {
  width: 268px; padding: 16px; border-radius: 16px; text-align: left;
  background: var(--card); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.bg-h { font-weight: 600; margin-bottom: 6px; }
.bg-now { font-size: 12.5px; color: var(--muted); margin-bottom: 12px; }
.bg-up, .bg-reset {
  display: block; width: 100%; text-align: center; padding: 8px 12px; border-radius: 10px;
  font-size: 13px; font-weight: 500; cursor: pointer; box-sizing: border-box;
}
.bg-up { background: var(--brand); color: #fff; margin-bottom: 8px; box-shadow: 0 4px 14px rgba(10, 132, 255, .28); }
.bg-reset { background: rgba(255, 255, 255, .66); color: #333a48; border: 1px solid rgba(255, 255, 255, .75); }
.bg-msg { font-size: 12px; color: var(--brand); min-height: 18px; margin-top: 8px; }
.bg-tip { font-size: 11.5px; color: var(--muted); line-height: 1.6; }

/* ---------- 图库缩略图网格（最多 30 张，点选即设为背景） ---------- */
.bg-sub { font-size: 12px; color: var(--muted); margin: 10px 0 6px; }
.bg-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px;
  max-height: 224px; overflow-y: auto; padding: 2px;
}
.bg-thumb {
  position: relative; padding: 0; border: 1px solid var(--line); border-radius: 9px;
  background: rgba(255, 255, 255, .5); overflow: hidden; cursor: pointer;
  box-shadow: none; aspect-ratio: 16 / 10;
}
.bg-thumb:hover { filter: brightness(1.06); }
.bg-thumb.on { border-color: var(--brand); box-shadow: 0 0 0 2px rgba(10, 132, 255, .35); }
.bg-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bg-thumb span {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 2px 4px; font-size: 10px;
  color: #fff; background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .62));
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bg-thumb i {
  position: absolute; top: 3px; left: 3px; font-style: normal; font-size: 9.5px;
  padding: 1px 5px; border-radius: 999px; background: var(--brand); color: #fff;
}
.bg-empty { font-size: 12px; color: var(--muted); padding: 8px 2px; }
.bg-panel { width: 300px; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .nav { position: static; display: flex; flex-wrap: wrap; gap: 6px; }
  .nav .navlink { padding: 4px 10px; border: 1px solid var(--line); }
  .bar { position: static; }
  .grid2 { grid-template-columns: 1fr; }
  .wrap { padding: 0 12px 32px; }
  .hero-t { font-size: 24px; }
  .podium { grid-template-columns: 1fr; }
  .pod-1 { order: -1; }
  .bgctl { right: 12px; bottom: 12px; }
  .bg-panel { width: min(300px, calc(100vw - 24px)); }
  .bg-grid { grid-template-columns: repeat(3, 1fr); }
}