/* 亦匿统一验证 · 主题样式
   设计令牌与官网 yini.l.cd 保持一致：深蓝黑 #0b1220 → #14213d、品牌蓝 #2563eb、浅灰底 #f6f8fb */

:root {
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-light: #eff4ff;
  --ink: #0b1220;
  --muted: #5b6b80;
  --line: #e2e8f0;
  --bg: #f6f8fb;
  --card: #ffffff;
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(11, 18, 32, .08);
  --shadow-sm: 0 4px 14px rgba(11, 18, 32, .06);
  --maxw: 1120px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 15px;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }

h1 { font-size: 28px; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 22px 0 12px; }
h3 { font-size: 17px; margin: 0 0 6px; }
p  { margin: 6px 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.pad { padding-top: 34px; padding-bottom: 60px; }
.mt { margin-top: 24px; }
.mb { margin-bottom: 16px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono, code { font-family: var(--mono); }
code { background: #eef2f8; padding: 1px 6px; border-radius: 6px; font-size: 13px; }
code.highlight { background: #fff7e6; color: #92400e; }
.grow { flex: 1; min-width: 0; }

/* ---------- 管理后台 ---------- */
.admin-link { color: var(--brand) !important; font-weight: 600; }
.stat { font-size: 34px; margin: 0; color: var(--brand-dark); }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { color: var(--brand); }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: .5px; }
.brand-logo { width: 64px; height: 64px; border-radius: 16px; box-shadow: var(--shadow-sm); }
.brand-logo.sm { width: 32px; height: 32px; border-radius: 9px; }
.nav a { margin-left: 22px; color: var(--ink); font-size: 14.5px; }
.nav a:hover { color: var(--brand); }
.nav .link-muted { color: var(--muted); }

/* ---------- 首页英雄区（复用官网深色渐变） ---------- */
.hero {
  color: #fff;
  background:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(160deg, var(--ink) 0%, #14213d 100%);
  background-size: 42px 42px, 42px 42px, 100% 100%;
  text-align: center;
  padding: 76px 20px 84px;
}
.hero-logo { width: 104px; height: 104px; border-radius: 26px; box-shadow: 0 18px 44px rgba(0, 0, 0, .35); margin-bottom: 22px; }
.hero h1 { font-size: 40px; margin: 0 0 12px; letter-spacing: 1px; }
.hero-sub { color: #b9c6dc; font-size: 16px; max-width: 620px; margin: 0 auto 30px; }
.hero-meta { color: #8ea3c0; font-size: 13px; margin-top: 26px; letter-spacing: .4px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 14.5px;
  cursor: pointer;
  transition: all .15s ease;
  text-align: center;
}
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); color: #fff; }
.btn.ghost { background: transparent; border-color: rgba(255, 255, 255, .28); color: #fff; }
.btn.ghost:hover { border-color: #fff; color: #fff; }
.btn.danger { border-color: #fecaca; color: var(--danger); }
.btn.danger:hover { background: #fef2f2; color: var(--danger); }
.btn.sm { padding: 5px 12px; font-size: 13px; border-radius: 8px; }
.btn-block { display: block; width: 100%; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.btn-row.center { justify-content: center; }

/* ---------- 卡片 / 网格 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 22px 24px;
}
.card.pad { padding: 28px 30px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat { padding: 26px 24px; }
.link-card { display: block; color: var(--ink); }
.link-card:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }

/* ---------- 表单 ---------- */
.stack { display: flex; flex-direction: column; gap: 14px; }
.stack label { display: flex; flex-direction: column; gap: 5px; font-size: 14px; font-weight: 600; }
input[type=text], input[type=password], input[type=email], input[type=url],
input[type=number], input[type=file], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14.5px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
textarea { resize: vertical; }
label.radio { font-weight: 500; flex-direction: row; align-items: center; gap: 8px; }
.inline { display: inline-flex; gap: 8px; align-items: center; }

/* ---------- 提示 ---------- */
.alert { padding: 11px 15px; border-radius: 10px; font-size: 14px; margin: 12px 0; }
.alert.ok { background: #e8f7ee; color: #14532d; border: 1px solid #bbf7d0; }
.alert.err { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert.warn { background: #fff7ed; color: #7c2d12; border: 1px solid #fed7aa; }
.alert.note { background: var(--brand-light); color: #1e40af; border: 1px solid #bfdbfe; }

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.tbl th { background: #f1f4f9; font-weight: 600; }
.kv { width: 100%; font-size: 14px; border-collapse: collapse; }
.kv th { text-align: left; color: var(--muted); font-weight: 500; width: 110px; padding: 7px 0; vertical-align: top; }
.kv td { padding: 7px 0; }

/* ---------- 登录/注册/授权卡片页 ---------- */
.auth-body {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 40px 16px;
  background:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(160deg, var(--ink) 0%, #14213d 100%);
  background-size: 42px 42px, 42px 42px, 100% 100%;
}
.auth-card { width: 100%; max-width: 420px; padding: 32px 34px; }
.auth-card.narrow { max-width: 420px; }
.brand-row { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.brand-row h1 { font-size: 23px; margin: 0; }
.brand-row .muted { margin: 0; }
.brand-logo { border-radius: 18px; box-shadow: var(--shadow-sm); }

/* ---------- 授权确认页 ---------- */
.app-banner {
  display: flex; align-items: center; gap: 14px;
  background: var(--brand-light); border: 1px solid #bfdbfe;
  border-radius: var(--radius); padding: 14px 16px; margin: 6px 0 10px;
}
.app-banner h2 { margin: 0; font-size: 17px; }
.app-icon { width: 52px; height: 52px; border-radius: 13px; object-fit: cover; flex-shrink: 0; }
.app-icon.sm { width: 30px; height: 30px; border-radius: 8px; }
.scope-list { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin: 14px 0; }
.scope-title { font-weight: 600; margin: 0 0 8px; }
.scope-item { padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; }
.scope-item:last-child { border-bottom: 0; }

/* ---------- 用户中心 ---------- */
.grant-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.grant-row:last-child { border-bottom: 0; }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; background: #fef2f2; color: var(--danger); margin-left: 8px; vertical-align: 2px; }
.badge.ghost { background: var(--brand-light); color: var(--brand); }

/* ---------- 开发者中心 ---------- */
.app-card { padding: 18px 20px; margin-bottom: 16px; }
.app-card-head { display: flex; align-items: center; gap: 14px; }
.app-actions { display: flex; gap: 8px; }
.app-meta { display: flex; flex-direction: column; gap: 4px; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.app-meta .mono { display: block; word-break: break-all; }

/* ---------- 代码块 / 流程 ---------- */
pre.code {
  background: #0b1220; color: #dbe6fa;
  padding: 16px 18px; border-radius: 12px;
  font-family: var(--mono); font-size: 13px; line-height: 1.7;
  overflow-x: auto; margin: 12px 0;
}
.flow { padding-left: 20px; margin: 10px 0; }
.flow li { margin: 6px 0; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); padding: 26px 0; margin-top: 30px; }
.footer p { color: var(--muted); font-size: 13px; }

/* ---------- 响应式 ---------- */
@media (max-width: 820px) {
  .cards-3, .grid-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .hero { padding: 56px 16px 64px; }
  .nav a { margin-left: 14px; font-size: 13.5px; }
}