:root {
  --bg: #efece4;
  --ink: #1c1915;
  --muted: #4e4940;
  --line: #ddd6c8;
  --card: #fffcf7;
  --copper: #8a4514;
  --copper-deep: #6f3b12;
  --pine: #1d4a36;
  --hot: #1c1915;
  --hot-text: #f6f1e6;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.65 "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  border-top: 3px solid var(--copper);
}
img { max-width: 100%; height: auto; }
a { color: inherit; }
button, input { font: inherit; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(2rem, 4.2vw, 3.15rem); line-height: 1.12; letter-spacing: -0.03em; font-weight: 700; }
h2 { font-size: clamp(1.35rem, 2vw, 1.7rem); letter-spacing: -0.02em; line-height: 1.25; }
h3 { font-size: 1.05rem; line-height: 1.35; }

.skip {
  position: absolute;
  left: 8px;
  top: -40px;
  background: var(--ink);
  color: var(--bg);
  padding: 6px 10px;
  z-index: 9;
}
.skip:focus { top: 8px; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: #efece4;
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; gap: 18px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--copper-deep);
  color: #fff8ef;
  font-weight: 700;
}
.brand strong { display: block; font-size: 1rem; letter-spacing: 0.04em; }
.brand small { display: block; color: var(--muted); font-size: 12px; }
.nav { display: flex; gap: 16px; margin-left: auto; align-items: center; }
.nav a { text-decoration: none; color: var(--ink); font-size: 0.95rem; }
.nav a.on { color: var(--copper-deep); box-shadow: inset 0 -2px 0 var(--copper); }
.navt {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.navt-label {
  display: none;
  margin-left: auto;
  border: 1px solid var(--ink);
  padding: 4px 10px;
  cursor: pointer;
}
.navt-label .close { display: none; }

.hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 36px; align-items: center; padding: 42px 0 18px; }
.kicker, .sec-no { color: var(--copper-deep); font-size: 12px; letter-spacing: 0.14em; font-weight: 700; }
.lede { margin-top: 14px; color: var(--muted); font-size: 1.05rem; max-width: 40em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 14px 0 0; margin: 0; }
.chips li { border: 1px solid var(--line); background: var(--card); padding: 2px 8px; font-size: 13px; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  text-decoration: none;
  background: var(--copper-deep);
  color: #fff8ef;
  border: 1px solid var(--copper-deep);
}
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.light { background: #f3eadc; color: var(--hot); border-color: #f3eadc; }
.textlink { color: var(--copper-deep); }

.slider { min-width: 0; }
.track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  border: 1px solid var(--line);
  background: var(--card);
}
.track::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; scroll-snap-align: start; margin: 0; }
.slide img { display: block; width: 100%; height: auto; }
.slide figcaption {
  background: #1c1915;
  color: #f6f1e6;
  padding: 6px 10px;
  font-size: 13px;
}
.slider-bar { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.slider-bar button, .dots button {
  min-width: 36px;
  min-height: 36px;
  padding: 0 8px;
  white-space: nowrap;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}
.dots { display: flex; gap: 6px; }
.dots button[aria-current="true"] { background: var(--copper-deep); color: #fff8ef; border-color: var(--copper-deep); }
.hint { margin-left: auto; color: var(--muted); font-size: 12px; white-space: nowrap; }

.block { padding: 34px 0 8px; }
.sec-no { margin-bottom: 6px; }
.intro { color: var(--muted); margin: 8px 0 16px; max-width: 46em; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.card { background: var(--card); border: 1px solid var(--line); padding: 14px 14px 16px; }
.card:hover { border-color: #c8b89a; }
.card .no { color: var(--copper); font-variant-numeric: tabular-nums; font-size: 12px; font-weight: 700; }
.card h3 { margin: 6px 0 8px; }
.card p { color: var(--muted); font-size: 0.94rem; }

.spec { list-style: none; padding: 0; margin: 8px 0 0; counter-reset: spec; }
.spec li {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  counter-increment: spec;
}
.spec li::before {
  content: counter(spec, decimal-leading-zero);
  color: var(--copper-deep);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.spec strong { display: block; }
.spec span { color: var(--muted); }

.swipe { display: none; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.prices {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.price { background: var(--card); border: 1px solid var(--line); padding: 14px; display: flex; flex-direction: column; gap: 8px; min-height: 100%; }
.price .flag { font-size: 12px; letter-spacing: 0.08em; color: var(--copper-deep); font-weight: 700; min-height: 1.2em; }
.amt { font-variant-numeric: tabular-nums; }
.amt b { font-size: 2rem; letter-spacing: -0.03em; font-weight: 700; }
.amt span { margin-left: 2px; color: var(--muted); }
.price p { color: var(--muted); font-size: 0.92rem; flex: 1; }
.price .btn { width: 100%; }
.price.hot { background: var(--hot); border-color: var(--hot); color: var(--hot-text); }
.price.hot .flag, .price.hot h3, .price.hot .amt b { color: var(--hot-text); }
.price.hot p, .price.hot .amt span { color: #d9d3c6; }
.fine { margin-top: 12px; color: var(--muted); font-size: 0.92rem; }

.posts { display: flex; flex-direction: column; }
.post {
  display: grid;
  grid-template-columns: 7.2rem 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}
.post time, .meta { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 0.92rem; }
.post strong { display: block; font-size: 1.05rem; }
.post small { display: block; color: var(--muted); margin-top: 4px; }
.post:hover strong { color: var(--copper-deep); }
.more { display: inline-block; margin-top: 8px; color: var(--copper-deep); }

.qq {
  margin: 28px 0 10px;
  background: var(--hot);
  color: var(--hot-text);
  padding: 28px 22px;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 18px;
  align-items: center;
}
.qq .sec-no, .qq h2 { color: var(--hot-text); }
.qq p { color: #d9d3c6; margin-top: 8px; }
.qq-num { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: 0.04em; font-variant-numeric: tabular-nums; color: var(--hot-text); margin-top: 0; }
.qq .cta { justify-content: flex-end; }

.foot { border-top: 1px solid var(--line); padding: 22px 0 36px; color: var(--muted); font-size: 0.92rem; }
.foot-links { display: flex; gap: 14px; margin-bottom: 8px; }
.foot a { color: var(--copper-deep); }

.sheet { padding: 28px 0 40px; max-width: 760px; }
.sheet.wide { max-width: none; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 16px; color: var(--muted); font-size: 0.92rem; }
.crumb li + li::before { content: "/"; margin-right: 8px; }
.crumb a { color: var(--copper-deep); }
.meta { margin: 10px 0 18px; }
.meta a { color: var(--copper-deep); }
.prose h2 { margin: 1.4em 0 0.45em; font-size: 1.25rem; }
.prose p, .prose li { margin: 0 0 0.85em; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose a { color: var(--copper-deep); }
.turn { display: grid; gap: 8px; margin-top: 22px; padding-top: 12px; border-top: 1px solid var(--line); }
.turn a { color: var(--copper-deep); }
.related { margin-top: 26px; }
.related ul { padding-left: 1.1em; }
.related a { color: var(--copper-deep); }
.catalog { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 18px; list-style: none; padding: 0; margin: 8px 0 18px; }
.catalog a { color: var(--copper-deep); }
.feature { padding-top: 8px; }
.feature h2 { margin-bottom: 8px; }
.note { border-left: 3px solid var(--copper); padding: 8px 12px; background: var(--card); margin: 14px 0; }
.pager { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.pager a, .pager span { min-width: 36px; min-height: 36px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); background: var(--card); text-decoration: none; padding: 0 8px; }
.pager span { background: var(--copper-deep); color: #fff8ef; border-color: var(--copper-deep); }
.list { padding-bottom: 36px; }

:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }

@media (max-width: 980px) {
  .hero, .qq { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .qq .cta { justify-content: flex-start; }
  .prices { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
  .price { flex: 0 0 200px; scroll-snap-align: start; }
  .swipe { display: block; }
}
@media (max-width: 780px) {
  .bar { flex-wrap: wrap; }
  .brand { min-width: 0; }
  .brand small { display: none; }
  .navt-label { display: inline-flex; margin-left: auto; flex: 0 0 auto; }
  .nav {
    display: none;
    flex: 1 0 100%;
    width: 100%;
    margin: 4px 0 12px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .nav a { padding: 2px 0; }
  .navt:checked + .navt-label .open { display: none; }
  .navt:checked + .navt-label .close { display: inline; }
  .navt:checked + .navt-label + .nav { display: flex; }
  .post { grid-template-columns: 1fr; gap: 2px; }
  .catalog { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .hint { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .track { scroll-behavior: auto; }
}