:root {
  --bg: #f7f5ed;
  --paper: #fffef9;
  --wash: #eef4e8;
  --mint: #dce9ce;
  --mint-strong: #a9c793;
  --moss: #315640;
  --ink: #26342a;
  --muted: #6c7a6d;
  --line: #dfe5d8;
  --code-bg: #f3f1e8;
  --shadow: 0 10px 24px rgba(49, 86, 64, .08);
  --serif: "Shippori Mincho", "Songti SC", "Noto Serif SC", serif;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", Menlo, Consolas, "PingFang SC", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161b17; --paper: #1d241f; --wash: #243028; --mint: #2c3d31; --mint-strong: #4f7358;
    --moss: #a9d3b0; --ink: #e5ebe3; --muted: #9aa89b; --line: #2f3a32; --code-bg: #141915;
    --shadow: 0 10px 24px rgba(0, 0, 0, .3); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #161b17; --paper: #1d241f; --wash: #243028; --mint: #2c3d31; --mint-strong: #4f7358;
  --moss: #a9d3b0; --ink: #e5ebe3; --muted: #9aa89b; --line: #2f3a32; --code-bg: #141915;
  --shadow: 0 10px 24px rgba(0, 0, 0, .3); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.6 var(--sans); }
a { color: inherit; }
button, input { font: inherit; color: inherit; }

.top, .hero, .browse, footer { max-width: 1240px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }

.top { height: 68px; display: flex; align-items: center; gap: 14px; border-bottom: 1px solid var(--line); }
.wordmark { font: 700 22px/1 var(--serif); letter-spacing: .03em; text-decoration: none; }
.count { color: var(--muted); font-size: 13px; }
.count b { color: var(--moss); }
.visitors { margin-left: auto; }
.top-link { font-size: 13px; color: var(--muted); text-decoration: none; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; }
.top-link:hover { background: var(--mint); color: var(--moss); }

.hero { padding-top: 56px; padding-bottom: 40px; }
.hero h1 { margin: 0; font: 700 clamp(30px, 4.6vw, 52px)/1.15 var(--serif); letter-spacing: -.02em; text-wrap: balance; }
.hero p { max-width: 620px; margin: 14px 0 26px; color: var(--muted); }
.search { display: flex; align-items: center; gap: 8px; width: min(620px, 100%); padding: 4px 6px 4px 16px; background: var(--paper); border: 1px solid var(--ink); border-radius: 10px; box-shadow: 5px 5px 0 var(--mint); }
.search span { color: var(--muted); font-size: 18px; }
.search input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; padding: 11px 4px; font-size: 16px; }

.browse { display: flex; gap: 28px; align-items: flex-start; padding-bottom: 48px; }
.cats { position: sticky; top: 16px; width: 190px; flex: none; display: flex; flex-direction: column; gap: 2px; }
.cats button { display: flex; justify-content: space-between; gap: 8px; width: 100%; padding: 8px 10px; border: 0; border-radius: 7px; background: transparent; text-align: left; cursor: pointer; font-size: 14px; }
.cats button span:last-child { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.cats button:hover { background: var(--wash); }
.cats button.on { background: var(--mint); color: var(--moss); font-weight: 600; }
.cats button.empty { opacity: .45; }

.results { flex: 1; min-width: 0; }
.results-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.results-head h2 { margin: 0; font: 700 26px var(--serif); }
#shown { color: var(--muted); font-size: 13px; }
.kind-switch { margin-left: auto; display: flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; background: var(--paper); }
.kind-switch button { border: 0; background: transparent; padding: 4px 12px; border-radius: 999px; font-size: 13px; color: var(--muted); cursor: pointer; }
.kind-switch button.on { background: var(--moss); color: var(--paper); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.card { display: flex; flex-direction: column; gap: 8px; min-height: 170px; padding: 16px; text-align: left; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; transition: transform .15s, box-shadow .15s, border-color .15s; }
.card:hover, .card:focus-visible { transform: translateY(-2px); border-color: var(--mint-strong); box-shadow: var(--shadow); outline: none; }
.card-top { display: flex; gap: 6px; flex-wrap: wrap; font-size: 11px; }
.pill { padding: 2px 8px; border-radius: 999px; background: var(--wash); color: var(--moss); }
.pill.mine { background: var(--moss); color: var(--paper); }
.card h3 { margin: 0; font-size: 16px; line-height: 1.4; }
.card p { margin: 0; color: var(--muted); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-foot { margin-top: auto; color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty-state { grid-column: 1 / -1; padding: 48px 16px; text-align: center; color: var(--muted); }

footer { padding-top: 28px; padding-bottom: 56px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer p { max-width: 720px; margin: 0 0 8px; }
footer strong { color: var(--ink); }
.links { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 14px; }
.links a { color: var(--moss); }

dialog { width: min(860px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); color: var(--ink); box-shadow: 0 24px 60px rgba(0, 0, 0, .2); }
dialog::backdrop { background: rgba(22, 27, 23, .45); }
.d-head { position: sticky; top: 0; z-index: 2; display: flex; gap: 16px; align-items: flex-start; padding: 20px 24px 14px; background: var(--paper); border-bottom: 1px solid var(--line); }
.d-head > div { flex: 1; min-width: 0; }
.d-meta { margin: 0 0 6px; color: var(--moss); font-size: 12px; }
.d-head h2 { margin: 0; font: 700 22px/1.3 var(--serif); }
.d-title { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.d-close { border: 0; background: transparent; font-size: 26px; line-height: 1; color: var(--muted); cursor: pointer; padding: 2px 6px; }
.d-body { padding: 8px 24px 24px; }
.d-body h3 { margin: 18px 0 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.d-body p { margin: 0; }
.d-bar { display: flex; align-items: center; justify-content: space-between; }
.copy { border: 0; border-radius: 7px; padding: 6px 16px; background: var(--moss); color: var(--paper); cursor: pointer; font-size: 13px; }
.copy.done { background: var(--mint-strong); color: var(--ink); }
pre { margin: 6px 0 0; padding: 14px 16px; max-height: 52vh; overflow: auto; background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; font: 13px/1.65 var(--mono); white-space: pre-wrap; word-break: break-word; }
#d-note ul { margin: 0; padding-left: 18px; }
.d-source { margin-top: 18px !important; font-size: 12px; color: var(--muted); word-break: break-all; }

/* 类型切换和三种卡片 */
.type-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.type-tabs button { border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 6px 16px; font-size: 14px; cursor: pointer; }
.type-tabs button.on { background: var(--moss); border-color: var(--moss); color: var(--paper); }
.pill.type { font-weight: 600; }
.t-prompt .pill.type { background: #e6efe0; color: #315640; }
.t-skill .pill.type { background: #e7ecf6; color: #34507a; }
.t-tool .pill.type { background: #f5ebdc; color: #7a5326; }
.pill.st-hot { background: #fbe3d6; color: #9a3d12; }
.pill.st-try { background: transparent; border: 1px dashed var(--mint-strong); color: var(--muted); }
.pill.st-some { background: var(--wash); color: var(--muted); }
.t-prompt { border-top: 3px solid #a9c793; }
.t-skill { border-top: 3px solid #9fb3d6; }
.t-tool { border-top: 3px solid #d9b98a; }
.d-open a { display: inline-block; margin-top: 16px; padding: 8px 16px; border-radius: 8px; background: var(--moss); color: var(--paper); text-decoration: none; font-size: 14px; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .t-prompt .pill.type { background: #2c3d31; color: #a9d3b0; }
  :root:not([data-theme="light"]) .t-skill .pill.type { background: #263246; color: #a9c1e8; }
  :root:not([data-theme="light"]) .t-tool .pill.type { background: #3b3122; color: #e6c79c; }
  :root:not([data-theme="light"]) .pill.st-hot { background: #4a2a1c; color: #f2b89a; }
}

@media (max-width: 860px) {
  .top, .hero, .browse, footer { padding-left: 16px; padding-right: 16px; }
  .browse { display: block; }
  .cats { position: static; width: auto; flex-direction: row; overflow-x: auto; gap: 6px; padding-bottom: 12px; margin-bottom: 8px; scrollbar-width: none; }
  .cats button { width: auto; flex: none; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; white-space: nowrap; }
  .kind-switch { margin-left: 0; }
  .visitors { display: none; }
  .top-link { margin-left: auto; }
  .hero { padding-top: 36px; padding-bottom: 28px; }
  .d-head, .d-body { padding-left: 16px; padding-right: 16px; }
}

/* 关于我和 AI 上手局（配色取自雷文名片：深蓝、橙、浅绿） */
:root { --navy: #17375e; --orange: #e8792b; --sage: #dfe8dc; }
.join-btn { padding: 6px 14px; border-radius: 999px; background: var(--orange); color: #fff; font-size: 13px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.join-btn:hover { filter: brightness(1.05); }
.about { max-width: 1240px; margin: 0 auto; padding: 48px 32px 56px; border-top: 1px solid var(--line); display: grid; gap: 18px; }
.about .eyebrow { margin: 0 0 8px; font-size: 12px; letter-spacing: .12em; color: var(--orange); font-weight: 600; }
.about .eyebrow.light { color: #f2b27f; }
.about .accent { color: var(--orange); }
.about-hero { display: flex; gap: 28px; align-items: center; }
.avatar { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; background: var(--sage); flex: none; }
.about-hero h2 { margin: 0; font: 700 clamp(30px, 4vw, 44px)/1.15 var(--serif); }
.about-hero .lead { margin: 12px 0; font-size: 17px; font-weight: 600; line-height: 1.7; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 0; }
.badges span { padding: 5px 14px; border-radius: 999px; background: var(--sage); color: var(--navy); font-size: 13px; font-weight: 600; }
.about-story { padding: 26px 28px; border-radius: 16px; background: var(--navy); color: #eef2f7; }
.about-story h3 { margin: 0 0 10px; font: 700 22px/1.4 var(--serif); color: #fff; }
.about-story p { margin: 0; line-height: 1.85; }
.about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.about-card { padding: 22px 24px; border-radius: 16px; background: var(--paper); border: 1px solid var(--line); }
.about-card h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 19px; }
.about-card .num { display: inline-grid; place-items: center; width: 34px; height: 30px; border-radius: 8px; background: var(--orange); color: #fff; font-size: 14px; }
.about-card .num.green { background: #6f9a7b; }
.about-card ul { margin: 0; padding-left: 20px; line-height: 2; }
.about-card li::marker { color: var(--orange); }
.about-card a { color: var(--moss); }
.about-card .biz { margin: 12px 0 0; font-size: 13px; color: var(--muted); }
.join { display: grid; grid-template-columns: 1fr auto; border-radius: 16px; overflow: hidden; background: var(--sage); color: #22392b; }
.join-text { padding: 26px 28px; }
.join-text .eyebrow { color: #4f7a5c; }
.join-text h3 { margin: 0 0 10px; font: 700 28px/1.3 var(--serif); color: var(--navy); }
.join-text p { margin: 0 0 8px; line-height: 1.8; }
.join-tags { margin-top: 14px !important; padding-top: 12px; border-top: 1px solid #bfcfbf; font-size: 13px; color: #4f7a5c; font-weight: 600; }
.join-qr { padding: 22px 26px; background: var(--navy); color: #fff; text-align: center; display: grid; place-items: center; gap: 10px; }
.join-qr img { width: 190px; height: 190px; border-radius: 12px; background: #fff; padding: 8px; }
.join-qr p { margin: 0; font-weight: 600; }
.qr-link { color: #f2b27f; font-size: 13px; font-weight: 600; text-decoration: none; }
.qr-link:hover { text-decoration: underline; }
.fineprint { margin: 4px 0 0; font-size: 12px; color: var(--muted); }
.d-cta { margin-top: 20px !important; padding: 12px 14px; border-radius: 10px; background: var(--sage); color: #22392b; font-size: 13px; }
.d-cta a { color: var(--orange); font-weight: 600; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .about-card { background: var(--paper); }
  :root:not([data-theme="light"]) .join { background: #24332a; color: #dfe8dc; }
  :root:not([data-theme="light"]) .join-text h3 { color: #f0f4f8; }
  :root:not([data-theme="light"]) .d-cta { background: #24332a; color: #dfe8dc; }
}
@media (max-width: 860px) {
  .about { padding: 36px 16px 48px; }
  .about-hero { flex-direction: column; align-items: flex-start; gap: 16px; }
  .avatar { width: 96px; height: 96px; }
  .about-cols, .join { grid-template-columns: 1fr; }
  .join-btn { padding: 6px 10px; font-size: 12px; }
  .wordmark { font-size: 18px; white-space: nowrap; }
  .top { gap: 8px; }
  .top .count { display: none; }
}