:root {
  --bg: #0b0f14;
  --panel: #121821;
  --panel-2: #171f2b;
  --line: #232e3d;
  --text: #e7ecf2;
  --text-dim: #8a97a8;
  --text-dim2: #5d6b7d;
  --accent: #ff6b35;
  --accent-2: #6e8bff;
  --ok: #4dd6c0;
  --warn: #ffb454;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--panel-2); padding: 1px 6px; border-radius: 6px; }
pre { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; overflow: auto; font-size: 13px; line-height: 1.55; }
pre code { background: none; padding: 0; font-size: inherit; }
b { font-weight: 600; }

.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 17px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #ff9a6b);
  color: #fff; font-weight: 700; font-size: 18px;
}
.brand-name b { color: var(--accent); }
.nav { display: flex; gap: 22px; font-size: 14px; }
.nav a { color: var(--text-dim); }
.nav a:hover { color: var(--text); }

.hero { max-width: 1100px; margin: 0 auto; padding: 72px 28px 40px; }
.hero h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.15; margin: 0 0 18px; letter-spacing: -0.5px; }
.accent { color: var(--accent); }
.hero-sub { color: var(--text-dim); font-size: 16px; max-width: 720px; margin: 0 0 30px; }
.stats { display: flex; gap: 14px; flex-wrap: wrap; }
.stat {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 22px; min-width: 150px;
}
.stat b { display: block; font-size: 26px; color: var(--text); }
.stat span { color: var(--text-dim); font-size: 13px; }

.library { max-width: 1100px; margin: 0 auto; padding: 10px 28px 60px; }
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.input {
  background: var(--panel); border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 10px 14px; font-size: 14px; font-family: inherit;
  outline: none; min-width: 200px;
}
.input:focus { border-color: var(--accent-2); }
.input.grow { flex: 1; }
.select { min-width: 140px; }
.check { color: var(--text-dim); font-size: 14px; display: flex; align-items: center; gap: 6px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 14px; }
.chip {
  border: 1px solid var(--line); background: var(--panel); color: var(--text-dim);
  border-radius: 999px; padding: 6px 14px; font-size: 13px; cursor: pointer; font-family: inherit;
}
.chip:hover { color: var(--text); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.preview-bar { margin-top: 6px; }
.range { color: var(--text-dim); font-size: 13px; display: flex; align-items: center; gap: 8px; }
.range input { accent-color: var(--accent); }
.hint { color: var(--text-dim2); font-size: 13px; margin: 0 0 14px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 18px 14px; display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: #34435a; transform: translateY(-2px); }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.card-name { font-size: 17px; font-weight: 600; }
.card-en { color: var(--text-dim2); font-size: 12px; margin-left: 6px; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.badge-ofl { background: rgba(77, 214, 192, 0.14); color: var(--ok); }
.badge-vendor { background: rgba(110, 139, 255, 0.16); color: var(--accent-2); }
.badge-register { background: rgba(255, 180, 84, 0.16); color: var(--warn); }
.preview {
  min-height: 96px; display: flex; align-items: center;
  padding: 10px 4px; line-height: 1.35; overflow-wrap: anywhere;
  color: var(--text); transition: opacity 0.2s;
}
.preview.loading { opacity: 0.35; }
.preview.missing { color: var(--text-dim2); font-style: normal; font-size: 15px !important; }
.card-meta { color: var(--text-dim); font-size: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.card-meta .dot::before { content: '·'; margin-right: 10px; color: var(--text-dim2); }
.card-actions { display: flex; gap: 8px; margin-top: 4px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  border-radius: 9px; padding: 7px 12px; font-size: 13px; cursor: pointer; font-family: inherit;
}
.btn:hover { border-color: var(--accent-2); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--text-dim); }
.tag { color: var(--text-dim2); font-size: 12px; }

.doc { max-width: 1100px; margin: 0 auto; padding: 40px 28px; border-top: 1px solid var(--line); }
.doc h2 { font-size: 26px; margin: 0 0 18px; }
.steps { padding-left: 22px; color: var(--text-dim); display: grid; gap: 10px; margin: 0 0 22px; }
.steps b { color: var(--text); }
.steps em { color: var(--accent); font-style: normal; }
.note { color: var(--text-dim); font-size: 14px; }
.api { width: 100%; border-collapse: collapse; font-size: 14px; margin: 14px 0 20px; }
.api th, .api td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.api th { color: var(--text-dim); font-weight: 500; font-size: 13px; }
.api td:first-child { white-space: nowrap; }

.code-tabs { margin: 18px 0; }
.tab-heads { display: flex; gap: 4px; }
.tab-head {
  background: transparent; border: 1px solid transparent; border-bottom: none; color: var(--text-dim);
  padding: 8px 14px; font-size: 13px; cursor: pointer; border-radius: 10px 10px 0 0; font-family: inherit;
}
.tab-head.active { background: var(--panel); border-color: var(--line); color: var(--text); }
.tab-body { display: none; margin: 0; border-top-left-radius: 0; }
.tab-body.active { display: block; }

.foot { max-width: 1100px; margin: 0 auto; padding: 30px 28px 50px; color: var(--text-dim2); font-size: 13px; border-top: 1px solid var(--line); }

.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; }
.modal[hidden] { display: none; }
.modal-mask { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(4px); }
.modal-card {
  position: relative; width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 48px); overflow: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px;
}
.modal-close {
  position: absolute; top: 12px; right: 14px; background: none; border: none; color: var(--text-dim);
  font-size: 26px; cursor: pointer; line-height: 1;
}
.modal h3 { margin: 0 0 4px; font-size: 24px; }
.modal .sub { color: var(--text-dim); font-size: 13px; margin-bottom: 14px; }
.modal .preview { font-size: 40px; min-height: 80px; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 6px 14px; font-size: 14px; margin: 14px 0; }
.kv dt { color: var(--text-dim2); }
.kv dd { margin: 0; }
.files { display: flex; gap: 8px; flex-wrap: wrap; }
.file-pill { font-size: 12px; border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; color: var(--text-dim); }
.file-pill.hosted { color: var(--ok); border-color: rgba(77, 214, 192, 0.3); }
.license-box { background: var(--panel-2); border-radius: 10px; padding: 12px 14px; font-size: 13px; color: var(--text-dim); margin: 12px 0; }
.snippet { position: relative; }
.snippet .copy { position: absolute; top: 10px; right: 10px; }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 60;
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px; font-size: 14px;
}
.toast[hidden] { display: none; }

@media (max-width: 720px) {
  .top { padding: 12px 16px; }
  .nav { gap: 14px; font-size: 13px; }
  .hero { padding: 44px 16px 28px; }
  .library, .doc, .foot { padding-left: 16px; padding-right: 16px; }
  .kv { grid-template-columns: 1fr; }
}