:root {
  --ink: #16211f;
  --ink-2: #4a5a56;
  --paper: #f7f5ef;
  --paper-2: #ffffff;
  --line: #d9d4c6;
  --jade: #2f7d6d;
  --jade-2: #1f5a4e;
  --jade-soft: #e3efe9;
  --vermilion: #b8412e;
  --sans: "Inter", "Noto Sans TC", -apple-system, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--jade-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
img { max-width: 100%; display: block; }

.wrap { width: min(1080px, 92vw); margin: 0 auto; }

/* Header */
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 48px; height: 48px; display:block; }
.brand b { font-weight: 700; letter-spacing: .02em; }
.brand span { display: block; font-size: 13px; color: var(--ink-2); font-family: var(--serif); }
.nav { display: flex; gap: 22px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--jade-2); }
.btn {
  display: inline-block; padding: 12px 20px; border-radius: 8px;
  background: var(--jade); color: #fff !important; text-decoration: none; font-weight: 600;
}
.btn:hover { background: var(--jade-2); }
.btn.ghost { background: transparent; color: var(--jade-2) !important; border: 1.5px solid var(--jade); }

/* Hero */
.hero { padding: 64px 0 56px; border-top: 1px solid var(--line); }
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.1; margin: 0 0 8px; letter-spacing: -.01em; }
.hero .zh { font-family: var(--serif); font-size: clamp(22px, 3vw, 30px); color: var(--jade-2); margin: 0 0 22px; }
.hero p.lead { font-size: 20px; color: var(--ink-2); max-width: 640px; margin: 0 0 28px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { margin-top: 18px; font-size: 14px; color: var(--ink-2); }

/* Sections */
section { padding: 56px 0; border-top: 1px solid var(--line); }
h2 { font-size: 28px; margin: 0 0 6px; }
h2 + .zh { font-family: var(--serif); color: var(--jade-2); margin: 0 0 26px; font-size: 18px; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 12px; padding: 22px;
}
.card h3 { margin: 0 0 4px; font-size: 18px; }
.card .zh { font-family: var(--serif); color: var(--jade-2); font-size: 15px; margin: 0 0 10px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* Packages */
.pkg { display: flex; flex-direction: column; }
.pkg .price { font-size: 30px; font-weight: 700; margin: 8px 0 2px; color: var(--ink); }
.pkg .price small { font-size: 14px; font-weight: 500; color: var(--ink-2); }
.pkg ul { margin: 12px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 15px; }
.pkg li { margin: 4px 0; }
.pkg.featured { border-color: var(--jade); box-shadow: 0 0 0 3px var(--jade-soft); }
.pkg .tag { align-self: flex-start; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--jade-2); background: var(--jade-soft); padding: 3px 8px; border-radius: 999px; margin-bottom: 8px; }

/* Portfolio */
.work a { display: block; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper-2); text-decoration: none; color: var(--ink); }
.work a:hover { border-color: var(--jade); }
.work small { display: block; color: var(--ink-2); font-size: 13px; margin-top: 2px; }

/* Contact */
.contact { display: grid; gap: 28px; grid-template-columns: 1.2fr 1fr; align-items: start; }
.contact .big { font-size: 26px; font-weight: 600; }
.contact dl { margin: 0; }
.contact dt { font-size: 13px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .06em; margin-top: 14px; }
.contact dd { margin: 2px 0 0; font-size: 18px; }

footer { padding: 28px 0 40px; align-items: center; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
footer .zh { font-family: var(--serif); }

@media (max-width: 720px) {
  .nav { display: none; }
  .contact { grid-template-columns: 1fr; }
  .hero { padding: 44px 0 40px; }
}