:root {
  --paper: #fafaf7;
  --warm: #f5f1e6;
  --ink: #2f2f2f;
  --muted: #68645d;
  --blue: #617ca0;
  --deep: #324158;
  --yellow: #f7d93b;
  --line: #ded6c7;
  --success: #2f7d5c;
  --danger: #9a4339;
  --shadow: 4px 4px 0 #2f2f2f;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.7;
}
a { color: inherit; }
.container { width: min(calc(100% - 36px), var(--max)); margin-inline: auto; }
.site-head { border-bottom: 1px solid var(--line); background: rgba(250,250,247,.96); }
.site-head .container { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { font-weight: 900; letter-spacing: .02em; text-decoration: none; }
.brand span { color: var(--blue); }
.head-note { color: var(--muted); font-size: .86rem; }

.hero { padding: 76px 0 56px; background: linear-gradient(135deg, var(--paper) 0 62%, var(--warm) 62%); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 64px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-size: .84rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { color: var(--deep); line-height: 1.22; margin-top: 0; }
h1 { font-size: clamp(2.25rem, 5vw, 4.5rem); letter-spacing: -.04em; margin-bottom: 20px; }
h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); margin-bottom: 18px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
.lead { font-size: 1.15rem; max-width: 720px; color: #454440; }
.meta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.chip { border: 1px solid var(--line); background: #fff; padding: 7px 12px; border-radius: 999px; font-size: .9rem; }
.price { font-size: 2.1rem; font-weight: 900; color: var(--deep); margin: 16px 0 6px; }
.fine { color: var(--muted); font-size: .88rem; }
.cta, button.cta {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 20px;
  border: 2px solid var(--ink); border-radius: 6px; background: var(--yellow); color: var(--ink);
  box-shadow: var(--shadow); font: inherit; font-weight: 900; text-decoration: none; cursor: pointer;
}
.cta:hover { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--ink); }
.cta.secondary { background: #fff; box-shadow: none; }
.cta.disabled { background: #e6e1d6; color: #777; cursor: not-allowed; box-shadow: none; }

.portrait-mark { width: min(330px, 100%); aspect-ratio: 1; border: 2px solid var(--ink); border-radius: 50% 48% 52% 46%; background: var(--yellow); box-shadow: 12px 12px 0 var(--blue); display: grid; place-items: center; margin: auto; }
.portrait-mark span { font-size: clamp(3rem, 10vw, 7rem); font-weight: 900; color: var(--deep); }

section { padding: 64px 0; }
.warm { background: var(--warm); border-block: 1px solid var(--line); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.result { border-top: 3px solid var(--blue); padding-top: 18px; }
.result strong { display: block; color: var(--deep); margin-bottom: 4px; }
.steps { counter-reset: step; display: grid; gap: 0; margin-top: 26px; }
.step { position: relative; display: grid; grid-template-columns: 54px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.step::before { counter-increment: step; content: counter(step); width: 38px; height: 38px; display: grid; place-items: center; border: 2px solid var(--ink); border-radius: 50%; background: var(--yellow); font-weight: 900; }
.step p { margin: 0; color: var(--muted); }

.booking-shell { display: grid; grid-template-columns: .72fr 1.28fr; gap: 48px; align-items: start; }
.sticky { position: sticky; top: 24px; }
.booking-form { background: #fff; border: 1px solid var(--line); padding: 28px; }
fieldset { border: 0; padding: 0; margin: 0 0 28px; }
legend { font-size: 1.1rem; font-weight: 900; color: var(--deep); margin-bottom: 14px; }
label { display: block; font-weight: 700; margin: 14px 0 6px; }
input, select, textarea { width: 100%; border: 1px solid #bdb5a7; border-radius: 4px; padding: 12px; font: inherit; color: var(--ink); background: #fff; }
textarea { min-height: 105px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(97,124,160,.25); border-color: var(--blue); }
.check { display: grid; grid-template-columns: 20px 1fr; gap: 10px; align-items: start; font-weight: 400; }
.check input { margin-top: 6px; width: 18px; }
.hp { position: absolute !important; left: -10000px !important; }
.notice { border-left: 5px solid var(--yellow); background: #fff8cf; padding: 14px 16px; margin: 18px 0; }
.notice.demo { border-color: var(--blue); background: #eef2f7; }
.status { min-height: 28px; margin-top: 14px; color: var(--danger); font-weight: 700; }

.proposal-hero { padding: 60px 0 42px; border-bottom: 1px solid var(--line); }
.proposal-tag { display: inline-block; background: var(--deep); color: #fff; padding: 5px 10px; font-size: .8rem; font-weight: 900; letter-spacing: .06em; }
.proposal-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 50px; }
.proposal-panel { background: var(--warm); border: 1px solid var(--line); padding: 24px; }
.before-after { width: 100%; border-collapse: collapse; }
.before-after th, .before-after td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); padding: 13px 10px; }
.before-after th { color: var(--deep); width: 32%; }
.private-foot { margin-top: 40px; padding: 18px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .86rem; }

footer { background: var(--deep); color: #fff; padding: 30px 0; }
footer .container { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 800px) {
  .hero { padding-top: 48px; }
  .hero-grid, .two-col, .three-col, .booking-shell, .proposal-grid { grid-template-columns: 1fr; }
  .portrait-mark { width: 220px; }
  .sticky { position: static; }
  section { padding: 48px 0; }
  footer .container { display: block; }
}