/* 小柠云图片分类平台 - 全站样式 */
:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fef3c7;
  --ink: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 4px 16px rgba(15, 23, 42, .06);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 15px;
}
a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.main { min-height: calc(100vh - 170px); padding-top: 28px; padding-bottom: 48px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.mono { font-family: Consolas, monospace; font-size: 13px; }
.plus { color: var(--ok); font-weight: 600; }
.minus { color: var(--err); font-weight: 600; }
.inline-form { display: inline; }

/* ---------- 导航 ---------- */
.nav {
  background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .logo { width: 30px; height: 30px; }
.brand i { font-style: normal; color: var(--primary-dark); margin-left: 2px; font-size: 13px; background: var(--primary-light); padding: 1px 6px; border-radius: 6px; }
.nav-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nav-links > a { color: var(--ink); font-weight: 500; }
.nav-links > a:hover { color: var(--primary-dark); text-decoration: none; }
.admin-link { color: #7c3aed !important; }
.balance-chip {
  background: linear-gradient(135deg, #fef9c3, #fde68a); border: 1px solid #fcd34d;
  padding: 3px 12px; border-radius: 999px; font-weight: 600; font-size: 13px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; border: none; cursor: pointer; text-align: center;
  padding: 9px 20px; border-radius: 9px; font-size: 14.5px; font-weight: 600;
  transition: .15s; line-height: 1.4;
}
.btn:hover { text-decoration: none; filter: brightness(.97); transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(245, 158, 11, .35); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--err); }
.btn-lg { padding: 13px 30px; font-size: 16.5px; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-block { display: block; width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* ---------- 首页 ---------- */
.hero { text-align: center; padding: 64px 0 40px; }
.hero h1 { font-size: 40px; line-height: 1.25; letter-spacing: 1px; }
.hero .hl {
  background: linear-gradient(90deg, #f59e0b, #f97316);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .sub { max-width: 720px; margin: 18px auto 0; color: var(--muted); font-size: 16.5px; }
.hero-actions { margin-top: 28px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-tags { margin-top: 26px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; color: var(--muted); font-size: 13.5px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin: 30px 0; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.feature-card .ico { font-size: 30px; }
.feature-card h3 { margin: 8px 0 6px; font-size: 16.5px; }
.feature-card p { color: var(--muted); font-size: 13.5px; }

.pricing { text-align: center; padding: 40px 0 10px; }
.pricing h2 { font-size: 28px; }
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; max-width: 760px; margin: 26px auto; }
.price-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 30px 24px; box-shadow: var(--shadow); }
.price-card.featured { border: 2px solid var(--primary); transform: scale(1.03); }
.ribbon {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff; font-size: 12.5px; font-weight: 700;
  padding: 3px 14px; border-radius: 999px;
}
.price-card h3 { font-size: 17px; color: var(--muted); }
.price { font-size: 44px; font-weight: 800; margin: 6px 0; }
.price .rmb { font-size: 20px; vertical-align: 18px; margin-right: 2px; }
.credits { font-weight: 600; }
.unit { color: var(--primary-dark); font-size: 13px; margin-top: 2px; }
.price-card .desc { color: var(--muted); font-size: 13.5px; margin: 12px 0 18px; min-height: 40px; }

.cats { padding: 30px 0 10px; }
.cats h2 { font-size: 22px; text-align: center; margin-bottom: 20px; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.cat-item { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font-size: 13.5px; }
.cat-item b { display: block; color: var(--primary-dark); }
.cat-item span { color: var(--muted); }

/* ---------- 认证页 ---------- */
.auth-card {
  max-width: 400px; margin: 40px auto; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 34px 32px; box-shadow: var(--shadow);
}
.auth-card h2 { margin-bottom: 18px; }
.auth-card label { display: block; font-weight: 600; font-size: 14px; margin: 14px 0 6px; }
.auth-card input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px;
  font-size: 15px; margin-top: 4px; outline: none;
}
.auth-card input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.auth-card form .btn { margin-top: 20px; }
.auth-card p { margin-top: 16px; font-size: 14px; }

.alert { padding: 10px 14px; border-radius: 9px; font-size: 14px; margin-bottom: 14px; }
.alert-ok { background: #f0fdf4; color: var(--ok); border: 1px solid #bbf7d0; }
.alert-err { background: #fef2f2; color: var(--err); border: 1px solid #fecaca; }

/* ---------- 工作台 ---------- */
.page-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.page-head h1 { font-size: 24px; }
.balance-box {
  display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line);
  padding: 8px 16px; border-radius: 12px; box-shadow: var(--shadow); font-size: 14px;
}
.balance-box b { font-size: 22px; color: var(--primary-dark); }

.dropzone {
  background: #fff; border: 2px dashed #cbd5e1; border-radius: 16px; text-align: center;
  padding: 46px 20px; cursor: pointer; transition: .15s; outline: none;
}
.dropzone:hover, .dropzone.drag { border-color: var(--primary); background: #fffbeb; }
.dz-ico { font-size: 42px; }
.dropzone p { margin-top: 6px; }

.result-list { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 22px; }
.result-card {
  display: flex; gap: 16px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 14px; box-shadow: var(--shadow);
  animation: fadein .25s ease;
}
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; } }
.thumb { flex: 0 0 96px; }
.thumb img, .mini-thumb {
  width: 96px; height: 96px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line);
  background: #f1f5f9; display: block;
}
.result-body { flex: 1; min-width: 0; }
.result-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.fname { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-meta { display: flex; align-items: center; gap: 12px; margin: 8px 0 6px; flex-wrap: wrap; font-size: 13.5px; }
.reasoning { color: var(--muted); font-size: 13.5px; }
.spin {
  display: inline-block; width: 16px; height: 16px; border: 2px solid var(--primary-light);
  border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -3px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.badge-ok { background: #f0fdf4; color: var(--ok); border: 1px solid #bbf7d0; }
.badge-warn { background: #fffbeb; color: var(--warn); border: 1px solid #fde68a; }
.badge-err { background: #fef2f2; color: var(--err); border: 1px solid #fecaca; }
.badge-cat { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.badge-processing { background: #f1f5f9; color: var(--muted); border: 1px solid var(--line); }

/* ---------- 表格 ---------- */
.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.table th, .table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: middle; }
.table th { background: #f8fafc; color: var(--muted); font-weight: 600; font-size: 13px; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #fffbeb; }
.mini-thumb { width: 52px; height: 52px; border-radius: 8px; }

.pager { display: flex; gap: 6px; justify-content: center; margin-top: 20px; }
.pg { padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }
.pg.cur { background: var(--primary); color: #fff; border-color: var(--primary); }
.pg-dots { color: var(--muted); padding: 6px 2px; }

/* ---------- 收银台 ---------- */
.pay-card {
  max-width: 480px; margin: 30px auto; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 30px; box-shadow: var(--shadow); text-align: center;
}
.pay-card h2 { margin-bottom: 18px; }
.pay-summary { text-align: left; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 20px; }
.pay-summary > div { display: flex; justify-content: space-between; padding: 5px 0; gap: 12px; }
.pay-summary span { color: var(--muted); }
.pay-amount { color: var(--err); font-size: 22px; }
.pay-qr-wrap { padding-bottom: 6px; }
.pay-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 14px; }
.pay-tab { padding: 6px 18px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 13.5px; }
.pay-tab.active { border-color: var(--ok); color: var(--ok); background: #f0fdf4; font-weight: 600; }
.pay-qr { width: 210px; height: 210px; border: 1px solid var(--line); border-radius: 12px; }
.countdown { color: var(--err); font-weight: 600; margin-top: 8px; }
.pay-state { margin-top: 14px; }
.pay-state .big { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.pay-state.ok .big { color: var(--ok); }
.pay-state.err .big { color: var(--err); }
.pay-state.sandbox { border-top: 1px dashed var(--line); padding-top: 12px; margin-top: 16px; }

/* ---------- 管理后台 ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 16px 0 26px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; box-shadow: var(--shadow); }
.stat-card span { color: var(--muted); font-size: 13px; }
.stat-card b { display: block; font-size: 24px; margin-top: 2px; }
h2 { font-size: 19px; margin: 26px 0 12px; }

/* ---------- 页脚 / 其他 ---------- */
.footer { border-top: 1px solid var(--line); background: #fff; padding: 22px 0; text-align: center; font-size: 13.5px; color: var(--muted); }
.footer p + p { margin-top: 4px; }
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%);
  background: rgba(15, 23, 42, .92); color: #fff; padding: 11px 22px; border-radius: 10px;
  font-size: 14px; z-index: 100; max-width: 80vw; box-shadow: 0 8px 30px rgba(0,0,0,.25);
}
.toast.err { background: rgba(220, 38, 38, .95); }
.toast.ok { background: rgba(22, 163, 74, .95); }

@media (max-width: 640px) {
  .hero h1 { font-size: 28px; }
  .result-card { flex-direction: column; }
  .nav-inner { height: auto; padding: 10px 0; }
}