/* Set 1 ROOT — editorial product desk: dark-green bar, cream page, stacked hero cards */
:root {
  --ink: #0b3d2e;
  --ink-soft: #16543f;
  --cream: #f4efe4;
  --paper: #fffdf7;
  --gold: #c4a35a;
  --gold-deep: #9a7d3a;
  --text: #1c261f;
  --muted: #4a564d;
  --line: #d8cfc0;
  --shadow: 0 10px 28px rgba(11, 61, 46, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Georgia", "Songti SC", "SimSun", "Noto Serif SC", serif;
  background: var(--cream);
  color: var(--text);
  line-height: 1.75;
  font-size: 17px;
}

a { color: inherit; text-decoration: none; }

img, svg { display: block; max-width: 100%; }

.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  background: var(--ink);
  color: var(--cream);
  border-bottom: 4px solid var(--gold);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 18px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.brand svg { flex-shrink: 0; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 18px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.site-nav a {
  color: #e8e0d0;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.hero {
  padding: 56px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: stretch;
}

.hero-copy {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 36px 36px 32px;
}

.hero-kicker {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 18px;
}

.hero-copy p { color: var(--muted); margin-bottom: 14px; }
.hero-copy p:last-child { margin-bottom: 0; }

.hero-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mini-card {
  background: var(--ink);
  color: var(--cream);
  padding: 16px 18px 16px 20px;
  border-left: 6px solid var(--gold);
  box-shadow: var(--shadow);
}

.mini-card strong {
  display: block;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  margin-bottom: 4px;
}

.mini-card span {
  font-size: 14px;
  color: #d7cbb3;
}

.band {
  padding: 42px 0;
}

.band-alt { background: #efe7d6; }

.band h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 14px;
  max-width: 34em;
}

.lead {
  max-width: 46em;
  color: var(--muted);
  margin-bottom: 26px;
}

.lead + .lead { margin-top: -10px; }

.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.pos-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px 20px 20px;
  min-height: 220px;
}

.pos-card .mark {
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  color: var(--ink);
}

.pos-card h3 {
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 10px;
}

.pos-card p { color: var(--muted); font-size: 15px; }

.compare-wrap {
  overflow-x: auto;
  background: var(--paper);
  border: 1px solid var(--line);
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
}

table.compare th,
table.compare td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

table.compare thead th {
  background: var(--ink);
  color: var(--cream);
  font-weight: 600;
}

table.compare tbody th {
  width: 22%;
  color: var(--ink);
  background: #f7f1e4;
}

table.compare td { color: var(--muted); width: 39%; }

.step-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  counter-reset: step;
}

.step-item {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 20px 16px 18px;
  position: relative;
}

.step-item::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--gold);
  color: var(--ink);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-item h3 {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 8px;
}

.step-item p { font-size: 14px; color: var(--muted); }

.quad {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.cap-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
}

.cap-card .icon {
  width: 56px;
  height: 56px;
  background: var(--ink);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cap-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 8px; }
.cap-card p { font-size: 15px; color: var(--muted); }

.work-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--paper);
  border: 1px solid var(--line);
}

.work-pane {
  padding: 28px 26px;
}

.work-pane + .work-pane {
  border-left: 3px solid var(--gold);
}

.work-pane h3 {
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 12px;
}

.work-pane p { color: var(--muted); margin-bottom: 12px; }
.work-pane p:last-child { margin-bottom: 0; }

.bound-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.bound-card {
  background: var(--ink);
  color: var(--cream);
  padding: 20px 16px;
  min-height: 190px;
}

.bound-card h3 {
  font-size: 16px;
  color: var(--gold);
  margin-bottom: 10px;
}

.bound-card p { font-size: 14px; color: #d9d0c2; }

.order-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.order-card {
  background: var(--paper);
  border-top: 5px solid var(--gold);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  padding: 22px 20px;
}

.order-card h3 { font-size: 17px; color: var(--ink); margin-bottom: 10px; }
.order-card p { font-size: 15px; color: var(--muted); }

.faq-list { display: grid; gap: 10px; }

.faq-list details {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 4px 18px 4px;
}

.faq-list summary {
  cursor: pointer;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 600;
  color: var(--ink);
  padding: 14px 0;
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--gold);
  margin-right: 10px;
  vertical-align: middle;
}

.faq-list details[open] summary { border-bottom: 1px solid var(--line); }

.faq-list details p {
  color: var(--muted);
  padding: 12px 0 16px;
}

.site-footer {
  background: var(--ink);
  color: #d7cbb3;
  padding: 36px 0 28px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 18px;
}

.site-footer h3 {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.site-footer p { line-height: 1.7; }

.footer-note {
  border-top: 1px solid #2a5a48;
  padding-top: 16px;
  color: #b7aa90;
}

@media (max-width: 900px) {
  .hero-grid,
  .trio,
  .step-bar,
  .quad,
  .work-split,
  .bound-row,
  .order-flow,
  .footer-grid,
  .header-inner {
    grid-template-columns: 1fr;
    display: grid;
  }

  .header-inner {
    padding: 14px 0;
    gap: 12px;
  }

  .site-nav { justify-content: flex-start; }

  .work-pane + .work-pane { border-left: 0; border-top: 3px solid var(--gold); }

  .hero-copy { padding: 24px; }
}
