/* hidden 属性要能压住 .btn 的 display:flex */
[hidden] { display: none !important; }

:root {
  --brand: #5B4BF5;
  --brand-2: #8B5CF6;
  --ink: #14172A;
  --ink-2: #5A6178;
  --ink-3: #8A90A6;
  --line: #E7E9F2;
  --card: #FFFFFF;
  --bg: #F7F8FC;
  --chip: #FFFFFF;
  --shadow: 0 1px 2px rgba(20, 23, 42, .05);
  --shadow-hover: 0 12px 28px rgba(20, 23, 42, .10);
  --radius: 16px;
  --font: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
}

html[data-theme="dark"] {
  --ink: #F2F3F8;
  --ink-2: #A8AEC2;
  --ink-3: #737A90;
  --line: #262A3B;
  --card: #161926;
  --bg: #0E1018;
  --chip: #1A1D2B;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-hover: 0 12px 28px rgba(0, 0, 0, .5);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(900px 420px at 18% -10%, rgba(91, 75, 245, .10), transparent 70%),
    radial-gradient(760px 380px at 88% -6%, rgba(255, 107, 74, .08), transparent 70%);
  background-repeat: no-repeat;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- 顶栏 ---------- */
.hdr {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.hdr-inner {
  max-width: 1120px;
  margin: 0 auto;
  height: 60px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 15.5px; letter-spacing: .2px; }
.brand img { width: 28px; height: 28px; display: block; }

.cats { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; }
.cats::-webkit-scrollbar { display: none; }
.cats a {
  padding: 7px 11px;
  border-radius: 9px;
  font-size: 13px;
  color: var(--ink-2);
  white-space: nowrap;
}
.cats a:hover { background: var(--chip); color: var(--ink); }
.cats a.on { color: var(--brand); background: rgba(91, 75, 245, .10); font-weight: 500; }

.actions { display: flex; align-items: center; gap: 8px; }
.btn {
  height: 32px;
  padding: 0 13px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--chip);
  font-size: 13px;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
}
.btn:hover { color: var(--ink); border-color: #C9CCDD; }
.icon-btn {
  width: 32px; height: 32px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--ink-2);
  display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { color: var(--ink); }

/* ---------- 首屏 ---------- */
main { flex: 1; width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px 40px; }

.hero { padding: 68px 0 34px; text-align: center; }
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.2;
  letter-spacing: -.5px;
  font-weight: 700;
}
.hero .hl {
  background: linear-gradient(100deg, var(--brand), #B05CF6 60%, #FF6B4A);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sub { margin: 0 0 26px; color: var(--ink-2); font-size: 14.5px; }

.search {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 14px;
  height: 46px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: var(--shadow);
  color: var(--ink-3);
}
.search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(91, 75, 245, .10); }
.search input {
  flex: 1; min-width: 0;
  border: 0; outline: 0; background: transparent;
  font-size: 14px; color: var(--ink);
}
.search input::placeholder { color: var(--ink-3); }
.search kbd {
  font-family: inherit; font-size: 11px; color: var(--ink-3);
  border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px;
}

.quick { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 16px; }
.quick button {
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--ink-2);
  font-size: 12.5px;
  padding: 6px 12px;
  border-radius: 999px;
}
.quick button:hover { color: var(--brand); border-color: rgba(91, 75, 245, .45); }

/* ---------- 卡片 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(316px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: rgba(91, 75, 245, .28); }

.card-top { display: flex; align-items: center; gap: 12px; }
.card-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
}
.card-icon svg { width: 21px; height: 21px; }

.card-name { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 7px; }
.card-name .badge {
  font-size: 10.5px; font-weight: 500; padding: 2px 6px; border-radius: 5px;
  background: rgba(91, 75, 245, .10); color: var(--brand);
}
.card-name .badge.review { background: rgba(232, 106, 51, .12); color: #C2571F; }
.card-name .badge.ext { background: rgba(15, 110, 86, .12); color: #0F6E56; }
.card-name .badge.planned { background: var(--line); color: var(--ink-3); }

.card-desc { margin: 0; font-size: 13px; line-height: 1.65; color: var(--ink-2); flex: 1; }

.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: 11px; color: var(--ink-3); background: var(--chip); border: 1px solid var(--line); border-radius: 6px; padding: 2px 7px; }
.open { font-size: 12.5px; color: var(--brand); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.card:hover .open { gap: 7px; }

.card.disabled { opacity: .72; }
.card.disabled:hover { transform: none; box-shadow: var(--shadow); border-color: var(--line); }
.card-note { margin: 0; font-size: 11.5px; color: #B4693A; line-height: 1.5; }

.empty { text-align: center; color: var(--ink-3); font-size: 13.5px; padding: 40px 0; }

/* ---------- 分类分组 ---------- */
.sections { display: flex; flex-direction: column; gap: 34px; }
.cat-sec { scroll-margin-top: 78px; }
.cat-head {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.cat-ico {
  width: 30px; height: 30px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(91, 75, 245, .10); color: var(--brand);
  flex: 0 0 auto;
}
.cat-ico svg { width: 17px; height: 17px; }
.cat-head h2 { margin: 0; font-size: 16px; font-weight: 650; letter-spacing: .2px; }
.cat-count { font-size: 12px; color: var(--ink-3); margin-left: auto; }

/* ---------- 关注二维码 ---------- */
.follow {
  max-width: 1120px;
  margin: 40px auto 0;
  padding: 24px 26px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  flex-wrap: wrap;
}
.follow-head h2 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 650;
  display: flex;
  align-items: center;
  gap: 8px;
}
.follow-head h2::before {
  content: "";
  width: 3px; height: 14px; border-radius: 2px;
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
}
.follow-head p { margin: 0; font-size: 12.5px; color: var(--ink-3); }
.follow-list { display: flex; gap: 14px; flex-wrap: wrap; }
.ftr-qr {
  width: 118px; padding: 9px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--chip);
  text-align: center;
}
.ftr-qr .box {
  position: relative;
  width: 100%; aspect-ratio: 1 / 1;
  border-radius: 8px; overflow: hidden;
  background: var(--bg);
}
.ftr-qr img { width: 100%; height: 100%; object-fit: contain; display: block; background: #fff; }
.ftr-qr .ph {
  position: absolute; inset: 0;
  display: none; align-items: center; justify-content: center;
  font-size: 10px; color: var(--ink-3); text-align: center; line-height: 1.5; padding: 6px;
}
.ftr-qr.noimg .ph { display: flex; }
.ftr-qr b { display: block; margin-top: 7px; font-size: 12px; font-weight: 600; }
.ftr-qr small { display: block; font-size: 10.5px; color: var(--ink-3); margin-top: 1px; }
.ftr-qr-label { font-size: 12.5px; color: var(--ink-3); }


/* ---------- 版权与免责声明 ---------- */
.legal {
  max-width: 1120px;
  margin: 44px auto 56px;
  padding: 24px 26px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.legal h2 {
  font-size: 14px;
  font-weight: 650;
  letter-spacing: .3px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.legal h2::before {
  content: "";
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
}
.legal ol {
  margin: 0;
  padding-left: 20px;
  color: var(--ink-2);
  font-size: 12.5px;
  line-height: 1.85;
}
.legal li { margin-bottom: 7px; }
.legal li:last-child { margin-bottom: 0; }
.legal li::marker { color: var(--ink-3); font-size: 11.5px; }
.legal-more {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--ink-3);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.legal-more a { color: var(--brand); font-weight: 550; }
.legal-more a:hover { text-decoration: underline; }

/* ---------- 页脚 ---------- */
.ftr { border-top: 1px solid var(--line); background: var(--card); }
.ftr-inner {
  max-width: 1120px; margin: 0 auto; padding: 28px 20px 14px;
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.ftr-brand { display: flex; gap: 11px; }
.ftr-brand img { width: 34px; height: 34px; }
.ftr-brand b { font-size: 13.5px; }
.ftr-brand p { margin: 4px 0 0; font-size: 12px; color: var(--ink-3); max-width: 420px; line-height: 1.6; }
.ftr-links { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); align-items: flex-start; }
.ftr-links a:hover { color: var(--brand); }
.ftr-note, .ftr-copy {
  max-width: 1120px; margin: 0 auto; padding: 0 20px;
  font-size: 11.5px; color: var(--ink-3); line-height: 1.7;
}
.ftr-note { padding-bottom: 6px; }
.ftr-copy { padding-bottom: 22px; }

@media (max-width: 820px) {
  .cats { display: none; }
  .hero { padding: 44px 0 26px; }
  .grid { grid-template-columns: 1fr; }
  .hdr-inner { gap: 10px; }
  .btn { padding: 0 10px; }
}