:root {
  --ink: #1c1915;
  --muted: #5e564c;
  --paper: #f4efe6;
  --card: #fffaf3;
  --line: #e3d5c3;
  --brand: #9e2a2b;
  --brand-deep: #6e171c;
  --brass: #8a6232;
  --sea: #1f4f4a;
  --ok: #1d6b45;
  --warn: #8a5a12;
  --shadow: 0 16px 40px rgba(48, 32, 18, .08);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif CJK SC", serif;
  --sans: "Avenir Next", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.app, body.cover {
  background:
    radial-gradient(circle at top left, rgba(158, 42, 43, .08), transparent 28%),
    linear-gradient(180deg, #f7f1e7 0%, var(--paper) 40%, #efe4d4 100%);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}
a { color: var(--brand-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
.mast {
  display: flex; align-items: center; gap: 22px; justify-content: space-between;
  padding: 16px 28px; background: #1c1412; color: #f6efe4;
}
.brand { display: flex; gap: 12px; align-items: center; color: inherit; text-decoration: none; }
.seal {
  width: 42px; height: 42px; display: grid; place-items: center;
  background: var(--brand); color: white; font-family: var(--serif); font-size: 22px;
}
.brand b { display: block; font-weight: 650; letter-spacing: .04em; }
.brand small { display: block; color: #d9c7ae; letter-spacing: .14em; font-size: 11px; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a {
  color: #f6efe4; padding: 6px 10px; border-radius: 999px; text-decoration: none; font-size: 14px;
}
.nav a.on, .nav a:hover { background: rgba(255,255,255,.1); text-decoration: none; }
.mast-side { display: flex; align-items: center; gap: 14px; }
.points { background: #3a2a1c; color: #f0d7a4; border-radius: 999px; padding: 6px 12px; font-size: 13px; }
.who { font-size: 13px; color: #eadccb; }
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-btn { display: none; }
.rail { display: flex; gap: 8px; flex-wrap: wrap; padding: 12px 28px 0; }
.rail span { font-size: 12px; color: var(--muted); border-bottom: 2px solid var(--line); padding-bottom: 4px; }
.rail span.done { color: var(--sea); border-color: var(--sea); }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 22px 0 64px; }
.notice { padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; }
.notice.ok { background: #e7f4ec; color: var(--ok); }
.notice.bad { background: #fdecea; color: var(--brand-deep); }
.kicker { letter-spacing: .16em; text-transform: uppercase; color: var(--brass); font-size: 12px; margin: 0 0 6px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.02em; }
h1 { font-size: 40px; line-height: 1.15; margin: 0 0 8px; }
h2 { font-size: 26px; margin: 0 0 8px; }
.lead { color: var(--muted); max-width: 46rem; }
.sheet, .card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow);
}
.sheet { padding: 28px; margin-bottom: 18px; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: 1.2fr .8fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { padding: 16px 18px; }
.card h3 { margin-top: 0; }
.stat b { display: block; font-family: var(--serif); font-size: 34px; }
.muted, .fine { color: var(--muted); font-size: 13px; }
.stack { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field span, label.lbl { font-size: 13px; color: var(--muted); }
input[type=text], input[type=password], input[type=number], input[type=date], select, textarea {
  width: 100%; border: 1px solid #d9cbb8; background: white; border-radius: 10px; padding: 10px 12px; font: inherit; color: inherit;
}
textarea { min-height: 120px; resize: vertical; }
.btn, button, input[type=submit] {
  border: 0; border-radius: 999px; padding: 10px 16px; background: var(--brand); color: white;
  font: inherit; cursor: pointer; display: inline-block;
}
.btn.ghost, button.ghost { background: transparent; color: var(--brand-deep); border: 1px solid #e0c8c4; }
.btn.sea { background: var(--sea); }
.btn.ink { background: var(--ink); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
.tag { display: inline-block; border-radius: 999px; padding: 2px 8px; background: #f3e7d4; color: var(--brass); font-size: 12px; }
.tag.sea { background: #e5f2ef; color: var(--sea); }
.tag.warn { background: #fdecea; color: var(--brand); }
.banner { padding: 12px 14px; background: #fff4e4; border: 1px dashed #e2c08a; border-radius: 12px; color: var(--warn); margin-bottom: 14px; }
.lock { padding: 18px; background: #f7f1e8; border-radius: 14px; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 10px 0 10px 14px; border-left: 2px solid var(--line); }
.funnel { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
.funnel div { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px; }
.funnel b { display: block; font-family: var(--serif); font-size: 28px; }
.mask { position: fixed; inset: 0; background: rgba(28,20,18,.62); display: grid; place-items: center; padding: 20px; z-index: 20; }
.mask .sheet { max-width: 460px; }
.angles { display: grid; gap: 12px; }
.angles input { position: absolute; opacity: 0; }
.faces { min-height: 180px; }
.face { display: none; background: #f6f0e6; border-radius: 16px; padding: 12px; }
#ang-front:checked ~ .faces .front, #ang-side:checked ~ .faces .side, #ang-rear:checked ~ .faces .rear { display: block; }
.angle-picks { display: flex; gap: 8px; }
.angle-picks label { border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.quote-sheet { border: 1px solid var(--ink); padding: 22px; background: white; }
.watermark { position: relative; }
.watermark:after {
  content: attr(data-mark); position: absolute; inset: 20% 8%; display: grid; place-items: center;
  transform: rotate(-18deg); font-size: 28px; color: rgba(158,42,43,.18); pointer-events: none; text-align: center;
}
.hero { display: grid; grid-template-columns: 1.3fr .7fr; gap: 28px; align-items: end; padding: 42px 0 10px; }
.hero h1 { font-size: 64px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 22px 0; }
.step-no { font-family: var(--serif); color: var(--brand); font-size: 28px; }
.cover-foot { color: var(--muted); font-size: 13px; padding: 10px 0 40px; }
.check { display: flex; gap: 8px; align-items: flex-start; }
.check input { width: auto; margin-top: 4px; }
@media (max-width: 860px) {
  .hero, .grid-2, .grid-3, .grid-4, .steps, .funnel { grid-template-columns: 1fr; }
  .hero h1, h1 { font-size: 36px; }
  .nav-btn { display: inline-block; color: #f6efe4; }
  .nav { display: none; width: 100%; }
  .nav-toggle:checked ~ .nav { display: flex; }
  .mast { flex-wrap: wrap; }
}
@media print {
  .mast, .rail, .actions, .no-print { display: none !important; }
  body { background: white; }
  .sheet { box-shadow: none; }
}