:root {
  --ink: #14202b;
  --ink-soft: #4a5a68;
  --ink-mute: #75838f;
  --navy: #16324f;
  --navy-deep: #0f2438;
  --accent: #c08a2e;
  --paper: #faf8f4;
  --card: #ffffff;
  --line: #e3ded4;
  --tint: #eef2f5;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--accent); }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 22px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- top bar ---------- */
.topbar {
  background: var(--navy-deep);
  color: #e9eef3;
  border-bottom: 3px solid var(--accent);
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 70px;
  flex-wrap: wrap;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand:hover { color: #fff; }
.brand-mark {
  width: 40px; height: 40px; flex: 0 0 40px;
  display: grid; place-items: center;
  background: var(--accent);
  color: var(--navy-deep);
  font-weight: 700; font-size: 14px; letter-spacing: .5px;
  border-radius: 8px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 17px; font-weight: 600; letter-spacing: .3px; }
.brand-text small { font-size: 11.5px; color: #9fb0c1; letter-spacing: .6px; text-transform: uppercase; }

.topnav { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.topnav a { color: #c3d1de; font-size: 13.5px; }
.topnav a:hover { color: #fff; }

/* ---------- hero ---------- */
.hero { padding: 56px 0 30px; max-width: 800px; }
.kicker {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1.2;
  letter-spacing: -.4px;
  color: var(--navy-deep);
}
.lead { margin: 0; font-size: 17px; color: var(--ink-soft); }
.hero-stats { display: flex; gap: 36px; margin-top: 28px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats b { font-size: 24px; color: var(--navy); line-height: 1.2; }
.hero-stats span { font-size: 12.5px; color: var(--ink-mute); }

/* ---------- disclaimer ---------- */
.disclaimer {
  background: #fffdf7;
  border: 1px solid #e6d9b8;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 22px 26px 20px;
  margin: 26px 0 8px;
}
.disclaimer h2 {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #8a6420;
}
.disclaimer .statement {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--navy-deep);
}
.disclaimer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  border-top: 1px solid #ece2c9;
  padding-top: 18px;
}
.disclaimer h3 {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.disclaimer p { margin: 0; font-size: 13.5px; color: var(--ink-soft); line-height: 1.65; }

/* ---------- finder ---------- */
.finder { margin: 34px 0 10px; }
.search {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: 0 1px 2px rgba(20, 32, 43, .04);
}
.search input {
  flex: 1;
  border: 0;
  outline: none;
  font: inherit;
  font-size: 15.5px;
  color: var(--ink);
  background: transparent;
  min-width: 0;
}
.search input::placeholder { color: #9aa7b2; }
.search-hint { font-size: 12.5px; color: var(--ink-mute); white-space: nowrap; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 7px 14px;
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: all .15s ease;
}
.chip b { font-weight: 600; color: var(--ink-mute); margin-left: 4px; font-size: 12px; }
.chip:hover { border-color: #c4cdd4; color: var(--ink); }
.chip.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.chip.is-active b { color: #b9c9d8; }

/* ---------- groups & cards ---------- */
.group { padding: 34px 0 6px; scroll-margin-top: 20px; }
.group-head { margin-bottom: 18px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.group-head h2 {
  margin: 0 0 4px;
  font-size: 21px;
  color: var(--navy-deep);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.group-head .count {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: .3px;
}
.group-head p { margin: 0; font-size: 13.5px; color: var(--ink-mute); max-width: 760px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px 16px;
  display: flex;
  flex-direction: column;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.card:hover {
  border-color: #c9d3db;
  box-shadow: 0 6px 20px rgba(20, 32, 43, .07);
  transform: translateY(-1px);
}
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.cat-tag {
  font-size: 11.5px;
  letter-spacing: .6px;
  color: #6b7c8a;
  background: var(--tint);
  border-radius: 4px;
  padding: 2px 8px;
}
.op-badge {
  font-size: 11px;
  letter-spacing: .3px;
  color: #8a6420;
  background: #fdf3dd;
  border: 1px solid #eddcb4;
  border-radius: 4px;
  padding: 1px 7px;
  white-space: nowrap;
}
.site-link { font-size: 12.5px; color: var(--ink-mute); white-space: nowrap; margin-left: auto; }
.site-link:hover { color: var(--accent); }
.card h3 { margin: 0 0 2px; font-size: 17.5px; line-height: 1.4; }
.card h3 a { color: var(--navy-deep); }
.card h3 a:hover { color: var(--accent); }
.alt { display: block; font-size: 12px; color: var(--ink-mute); margin-bottom: 8px; letter-spacing: .2px; }
.blurb { margin: 6px 0 14px; font-size: 14px; color: var(--ink-soft); line-height: 1.68; flex: 1; }
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.tags li {
  font-size: 11.5px;
  color: #5c6b78;
  background: #f4f2ed;
  border: 1px solid #eae5dc;
  border-radius: 4px;
  padding: 2px 7px;
}

.empty {
  margin: 40px 0;
  padding: 28px;
  text-align: center;
  color: var(--ink-mute);
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

/* ---------- guide ---------- */
.guide {
  margin: 64px 0 0;
  padding: 36px 0 8px;
  border-top: 1px solid var(--line);
}
.guide h2 { margin: 0 0 22px; font-size: 23px; color: var(--navy-deep); }
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 26px;
}
.guide h3 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--navy);
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}
.guide p { margin: 0; font-size: 14px; color: var(--ink-soft); }

/* ---------- submit ---------- */
.submit {
  margin: 52px 0 60px;
  padding: 28px 30px;
  background: var(--navy-deep);
  color: #dbe4ec;
  border-radius: var(--radius);
}
.submit h2 { margin: 0 0 10px; font-size: 20px; color: #fff; }
.submit p { margin: 0 0 8px; font-size: 14px; max-width: 820px; }
.submit .mail { margin: 14px 0 0; font-size: 14px; }
.submit a { color: #f0c477; border-bottom: 1px solid rgba(240, 196, 119, .5); }
.submit a:hover { color: #fff; }

/* ---------- footer ---------- */
.site-foot {
  border-top: 1px solid var(--line);
  background: #f3f0ea;
  padding: 24px 0 30px;
}
.site-foot p { margin: 0 0 6px; font-size: 12.5px; color: var(--ink-mute); }
.site-foot .fine { max-width: 860px; line-height: 1.6; }

[hidden] { display: none !important; }

@media (max-width: 820px) {
  .disclaimer-grid { grid-template-columns: 1fr; gap: 16px; }
  .hero { padding-top: 40px; }
  .topnav { display: none; }
  .hero-stats { gap: 24px; }
  .submit { padding: 22px 20px; }
}

@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 28px; }
  .search { padding: 10px 12px; }
  .search-hint { display: none; }
}