:root {
  --ink: #17211d;
  --paper: #f4f1e8;
  --card: #fffdf7;
  --line: #d7d1c3;
  --muted: #68716c;
  --accent: #e4572e;
  --green: #154f3c;
  --green-2: #0f3f31;
  --shadow: 0 18px 50px rgba(23, 33, 29, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.55;
}

button, input, select { font: inherit; }

.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.hero {
  color: #f7f1e3;
  background:
    linear-gradient(120deg, rgba(228, 87, 46, 0.16), transparent 34%),
    var(--green-2);
  border-bottom: 8px solid var(--accent);
}

.hero__inner { padding: 54px 0 38px; }
.eyebrow { color: #f0ab91; font-size: 12px; font-weight: 800; letter-spacing: 0.18em; }
.hero__row { display: flex; align-items: end; justify-content: space-between; gap: 32px; }
h1 { margin: 10px 0 6px; font-family: Georgia, "Noto Serif SC", serif; font-size: clamp(38px, 6vw, 70px); letter-spacing: -0.04em; line-height: 1.05; }
.hero__lead { max-width: 690px; margin: 0; color: #c8d3ce; font-size: 18px; }
.status { flex: 0 0 auto; padding: 9px 12px; border: 1px solid rgba(255,255,255,.2); color: #dbe5e0; font-size: 13px; }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 38px 0 0; border: 1px solid rgba(255,255,255,.14); }
.metrics div { padding: 18px 20px; border-right: 1px solid rgba(255,255,255,.14); }
.metrics div:last-child { border-right: 0; }
.metrics dt { color: #9db0a7; font-size: 12px; }
.metrics dd { margin: 4px 0 0; font-family: Georgia, serif; font-size: 26px; }

.guide, .method { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin: 42px 0 24px; padding: 24px 0; border-top: 1px solid var(--ink); }
.guide h2, .method h2 { display: inline; margin: 0; font-family: Georgia, "Noto Serif SC", serif; font-size: 25px; }
.guide p, .method p { margin: 2px 0 0; color: var(--muted); }
.section-index { margin-right: 16px; color: var(--accent); font-size: 12px; font-weight: 800; }

.controls { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 12px; padding: 18px; background: #e9e4d8; border: 1px solid var(--line); }
.controls label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; font-weight: 700; }
.controls input, .controls select { width: 100%; min-height: 44px; padding: 9px 12px; color: var(--ink); background: var(--card); border: 1px solid #c9c2b4; border-radius: 0; outline: none; }
.controls input:focus, .controls select:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(21,79,60,.15); }

.viewbar { display: flex; align-items: center; justify-content: space-between; margin: 30px 0 16px; border-bottom: 1px solid var(--line); }
.tabs { display: flex; gap: 26px; }
.tab { padding: 12px 0 10px; color: var(--muted); background: none; border: 0; border-bottom: 3px solid transparent; cursor: pointer; }
.tab.is-active { color: var(--ink); border-color: var(--accent); font-weight: 800; }
.viewbar p { color: var(--muted); font-size: 13px; }

.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card { display: flex; flex-direction: column; min-height: 390px; padding: 24px; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.card__topline { display: flex; align-items: center; gap: 8px; min-height: 28px; }
.signal-pill, .industry-pill { padding: 4px 8px; font-size: 12px; font-weight: 800; }
.signal-pill { color: #fff; background: var(--green); }
.industry-pill { color: var(--green); background: #dfe9df; }
.score { margin-left: auto; color: var(--accent); font-family: Georgia, serif; font-weight: 800; }
.card__title { margin: 18px 0 10px; font-family: Georgia, "Noto Serif SC", serif; font-size: 24px; line-height: 1.38; }
.card__summary { display: -webkit-box; overflow: hidden; margin: 0 0 16px; color: var(--muted); -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.reason { padding: 12px 14px; background: #f0ece2; border-left: 3px solid var(--accent); }
.reason span { color: var(--accent); font-size: 11px; font-weight: 800; }
.reason p { margin: 2px 0 0; font-size: 14px; }
.matched { min-height: 30px; padding: 10px 0; color: var(--muted); font-size: 12px; }
.matched span { margin-right: 8px; }
.card__footer { display: flex; align-items: end; justify-content: space-between; gap: 14px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.meta { color: var(--muted); font-size: 12px; }
.actions { display: flex; gap: 8px; white-space: nowrap; }
.favorite, .source-link { padding: 8px 10px; border: 1px solid var(--green); text-decoration: none; cursor: pointer; }
.favorite { color: var(--green); background: transparent; }
.favorite.is-active { color: #fff; background: var(--accent); border-color: var(--accent); }
.source-link { color: #fff; background: var(--green); }

.empty { padding: 70px 20px; text-align: center; border: 1px dashed #b7afa0; }
.empty h2 { margin: 0; font-family: Georgia, serif; }
.empty p { color: var(--muted); }
.method { margin-top: 56px; }
.muted { color: var(--muted); font-size: 13px; }
footer { margin-top: 30px; color: #c8d3ce; background: var(--green-2); }
.footer__inner { display: flex; justify-content: space-between; padding: 24px 0; font-size: 13px; }

@media (max-width: 820px) {
  .hero__row, .card__footer { align-items: flex-start; flex-direction: column; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics div:nth-child(2) { border-right: 0; }
  .metrics div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.14); }
  .guide, .method { grid-template-columns: 1fr; gap: 12px; }
  .controls { grid-template-columns: 1fr 1fr; }
  .search { grid-column: 1 / -1; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .shell { width: min(100% - 24px, 1160px); }
  .hero__inner { padding-top: 38px; }
  .status { margin-top: 18px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics div { padding: 14px; }
  .controls { grid-template-columns: 1fr; }
  .search { grid-column: auto; }
  .viewbar { align-items: flex-start; flex-direction: column; }
  .viewbar p { margin-top: 4px; }
  .card { min-height: 0; padding: 20px; }
  .actions { width: 100%; }
  .favorite, .source-link { flex: 1; text-align: center; }
  .footer__inner { flex-direction: column; }
}