@font-face {
  font-family: "Noto Sans HK";
  src: url("../fonts/NotoSansHK-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans HK";
  src: url("../fonts/NotoSansHK-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
:root {
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --wash: #f4f5f7;
  --blue: #2563eb;
  --paper: #fff;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--wash); color: var(--ink); }
body {
  font: 500 16px/1.5 "Noto Sans HK", "PingFang HK", sans-serif;
  padding: 28px 16px 120px;
}
.hero, .bar, .grid, .ask, .foot { max-width: 1120px; margin-left: auto; margin-right: auto; }
.brand { margin: 0; color: var(--blue); font-weight: 700; }
h1 { margin: 4px 0 10px; font-size: 42px; line-height: 1.15; letter-spacing: 0; }
h1 span { display: block; font-size: 20px; font-weight: 500; color: var(--muted); }
.lede { margin: 0 0 6px; color: var(--muted); }
.lede.zh { color: var(--ink); }
.steps { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps li { background: #fff; border: 1.5px solid var(--line); border-radius: 16px; padding: 14px; }
.steps .n { display: block; color: var(--blue); font-weight: 700; }
.steps b { display: block; font-size: 18px; }
.steps .zh { display: block; color: var(--muted); }
.bar { position: sticky; top: 0; z-index: 4; background: rgba(244,245,247,.94); padding: 10px 0; }
.bar-row { display: flex; gap: 10px; align-items: center; }
.chips { display: flex; gap: 8px; overflow-x: auto; flex: 1; }
.chips button, .search input, .btn, .tick {
  font: 700 15px/1 "Noto Sans HK", sans-serif;
}
.chips button {
  flex: 0 0 auto; border: 1.5px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 999px; padding: 10px 12px; cursor: pointer;
}
.chips button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.search { flex: 0 1 280px; }
.search input {
  width: 100%; padding: 10px 12px; border-radius: 12px; border: 1.5px solid var(--line); background: #fff; color: var(--ink);
}
.shown { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 8px; }
.card { background: #fff; border: 1.5px solid var(--line); border-radius: 18px; padding: 10px; box-shadow: 0 10px 30px rgba(17,24,39,.05); }
.card.on { border-color: var(--blue); }
.clip { position: relative; aspect-ratio: 9/16; border-radius: 12px; overflow: hidden; background: #fff; cursor: pointer; }
.clip img, .clip iframe { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border: 0; background: #fff; }
.clip iframe { width: 1080px; height: 1920px; transform-origin: 0 0; pointer-events: none; }
.code {
  position: absolute; left: 8px; bottom: 8px; background: #fff; color: var(--ink);
  border-radius: 8px; padding: 4px 8px; font-weight: 700; font-size: 14px;
}
.tick {
  position: absolute; right: 8px; top: 8px; z-index: 2;
  width: 36px; height: 36px; border-radius: 10px; border: 1.5px solid var(--line);
  background: #fff; cursor: pointer;
}
.tick[aria-pressed="true"] { background: var(--blue); color: #fff; border-color: var(--blue); }
.card h2 { margin: 8px 0 0; font-size: 20px; letter-spacing: 0; line-height: 1.25; }
.card h2 a { color: inherit; text-decoration: none; }
.card .en { margin: 0; color: var(--muted); font-size: 14px; }
.card .use { margin: 6px 0 0; font-size: 15px; }
.ask { margin-top: 36px; background: #fff; border: 1.5px solid var(--line); border-radius: 18px; padding: 20px; }
.ask h2 { margin: 0 0 8px; letter-spacing: 0; }
.cta { display: flex; flex-wrap: wrap; gap: 8px; }
.cta a, .btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--blue); color: #fff; text-decoration: none; border: 0; border-radius: 999px; padding: 12px 16px; cursor: pointer;
}
.btn.ghost, .cta a:last-child { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn:disabled { opacity: .4; cursor: default; }
.foot { margin-top: 24px; color: var(--muted); font-size: 14px; }
.empty { text-align: center; color: var(--muted); }
.picks {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 6;
  background: #fff; border-top: 1.5px solid var(--line);
  box-shadow: 0 -8px 30px rgba(17,24,39,.06);
}
.picks-in { max-width: 1120px; margin: 0 auto; padding: 10px 16px 14px; display: grid; gap: 8px; }
@media (min-width: 800px) {
  .picks-in { grid-template-columns: auto 1fr auto; align-items: center; }
}
.picks-label { font-weight: 700; display: flex; gap: 8px; align-items: center; }
.cnt { background: var(--ink); color: #fff; border-radius: 999px; min-width: 24px; text-align: center; font-size: 13px; padding: 2px 6px; }
.picks-list { display: flex; gap: 6px; overflow-x: auto; min-height: 28px; }
.picks-list button { border: 1.5px solid var(--line); background: var(--wash); border-radius: 999px; padding: 6px 10px; font: 700 13px/1 "Noto Sans HK", sans-serif; cursor: pointer; }
.picks-acts { display: flex; gap: 8px; }
.toast {
  position: fixed; left: 50%; bottom: 92px; transform: translateX(-50%);
  background: var(--ink); color: #fff; border-radius: 999px; padding: 10px 14px;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.toast.show { opacity: 1; }
@media (max-width: 640px) {
  h1 { font-size: 32px; }
  .bar-row { flex-direction: column; align-items: stretch; }
  .search { flex-basis: auto; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}