:root {
  --ink: #12262b;
  --muted: #5d7276;
  --soft: #8aa0a4;
  --line: #dce8e8;
  --paper: #f4f7f6;
  --card: #ffffff;
  --teal: #1c6a6e;
  --deep: #0e3c40;
  --gold: #b08958;
  --gold-soft: #f6f0e6;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Songti SC", "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.8;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }

.topbar {
  background: var(--deep);
  color: #d7eceb;
  font-size: 12px;
  letter-spacing: .12em;
  padding: 8px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; }

header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(244,247,246,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; position: relative; }
.brand { display: flex; align-items: center; gap: 14px; }
.logo-mark {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex: none;
}
.brand b { display: block; font-size: 15px; font-weight: 600; letter-spacing: .08em; }
.brand small { color: var(--muted); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.links { display: flex; align-items: center; gap: 4px; }
.links a {
  padding: 8px 12px;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: .06em;
  border-radius: 999px;
}
.links a[aria-current="page"], .links a:hover { color: var(--deep); background: rgba(28,106,110,.08); }
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-btn {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  place-items: center;
  gap: 5px;
}
.nav-btn i { display: block; width: 16px; height: 1.5px; background: var(--deep); }

.hero {
  position: relative;
  margin: 28px auto 8px;
  width: min(1120px, calc(100% - 48px));
  min-height: 560px;
  border-radius: 28px;
  overflow: hidden;
}
.hero img { width: 100%; height: 560px; object-fit: cover; }
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,32,36,.08) 0%, rgba(8,32,36,.22) 40%, rgba(8,32,36,.82) 100%);
}
.hero-text {
  position: absolute; left: 56px; right: 56px; bottom: 48px; z-index: 2; color: #fff;
}
.eyebrow {
  font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: #e7d3b4; margin-bottom: 14px;
}
.hero-text h1 { font-size: clamp(32px, 4.6vw, 50px); line-height: 1.22; font-weight: 560; }
.hero-text p { margin-top: 16px; max-width: 40em; font-size: 16px; line-height: 1.75; color: rgba(255,255,255,.9); }
.hero-text .cta {
  display: inline-block;
  margin-top: 22px;
  padding: 10px 18px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 999px;
  letter-spacing: .08em;
  font-size: 13px;
}

.page-head { padding: 54px 0 10px; }
.page-head h1 { font-size: clamp(30px, 4vw, 42px); line-height: 1.3; font-weight: 560; margin-top: 8px; }
.page-head .lead { margin-top: 16px; color: var(--muted); max-width: 46em; font-size: 17px; }

.label {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
}
h2 { font-size: 28px; line-height: 1.35; font-weight: 560; }
h3 { font-size: 18px; font-weight: 600; line-height: 1.45; }

.section { padding: 56px 0; }
.section + .section { padding-top: 0; }
.section-head { margin-bottom: 28px; max-width: 42em; }
.section-head p { margin-top: 12px; color: var(--muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: 1.05fr .95fr; gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.card, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
}
.card { padding: 26px 26px 28px; }
.card .kicker {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--teal);
  margin-bottom: 10px;
}
.card h3 { margin-bottom: 10px; }
.card p, .prose p { color: var(--muted); }
.card p + p, .prose p + p { margin-top: 12px; }
.card a.more { display: inline-block; margin-top: 16px; color: var(--teal); letter-spacing: .06em; font-size: 14px; }

.panel-photo { height: 220px; }
.panel-photo img { width: 100%; height: 100%; object-fit: cover; }
.panel-body { padding: 28px 30px 32px; }
.intro-photo { border-radius: 22px; overflow: hidden; height: 100%; min-height: 320px; }
.intro-photo img { width: 100%; height: 100%; object-fit: cover; }

.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 42px; align-items: center; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 26px; }
.step em {
  display: block;
  font-style: normal;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 8px;
}
.step strong { display: block; font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.step p { color: var(--muted); }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 22px; overflow: hidden; }
.table-wrap { border: 1px solid var(--line); border-radius: 22px; overflow: auto; background: #fff; }
th, td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 15px; }
th { color: var(--soft); font-weight: 560; font-size: 12px; letter-spacing: .12em; background: #f8fbfb; }
tr:last-child td { border-bottom: 0; }
td:first-child { color: var(--deep); font-weight: 600; width: 22%; }

.note {
  background: var(--gold-soft);
  border: 1px solid #eadcc6;
  border-radius: 22px;
  padding: 22px 26px;
  color: #5c4a34;
}
.note strong { color: #3e3122; }
.subnav { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 8px; }
.subnav a {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--muted);
}
.subnav a[aria-current="page"] { color: #fff; background: var(--teal); border-color: var(--teal); }

.list { margin: 8px 0 0; padding-left: 1.1em; color: var(--muted); }
.list li + li { margin-top: 6px; }
.prose h2 { margin: 8px 0 12px; }
.prose h3 { margin: 22px 0 8px; }

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.metric { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px 18px 16px; }
.metric b { display: block; font-size: 16px; font-weight: 600; }
.metric span { display: block; margin-top: 6px; color: var(--muted); font-size: 14px; }

.row { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.row:last-child { border-bottom: 0; }
.row b { color: var(--soft); font-weight: 500; font-size: 12px; letter-spacing: .08em; }

footer {
  background: var(--deep);
  color: #cfe3e3;
  padding: 36px 0 28px;
  font-size: 13px;
  margin-top: 20px;
}
footer a { text-decoration: underline; text-underline-offset: 3px; }
footer .fine { max-width: 68em; color: #d5e8e7; line-height: 1.75; }
footer .bar {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12);
  letter-spacing: .04em; font-size: 12px;
}

@media (max-width: 980px) {
  .grid-4, .grid-3, .cards-3, .steps, .metrics { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .topbar span:last-child { display: none; }
  .nav-btn { display: grid; }
  .links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(280px, calc(100vw - 48px));
    padding: 10px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(14,60,64,.08);
    flex-direction: column;
    align-items: stretch;
  }
  .nav-toggle:checked ~ .links { display: flex; }
  .nav-toggle:focus-visible ~ .nav-btn { outline: 2px solid var(--teal); }
  .hero, .hero img { min-height: 480px; height: 480px; }
  .hero-text { left: 24px; right: 24px; bottom: 28px; }
  .split, .grid-2, .grid-4, .grid-3, .cards-3, .steps, .metrics { grid-template-columns: 1fr; }
  .intro-photo { min-height: 220px; }
  .row, td:first-child { width: auto; }
  .row { grid-template-columns: 1fr; gap: 4px; }
}