/* Site 3 — Magazine / editorial */
:root {
  --paper: #f7f3e9;
  --ink: #1a1a1a;
  --gold: #c4a35a;
  --leaf: #2c5f2d;
  --cream: #fffdf7;
  --muted: #4a463c;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Palatino Linotype", Palatino, "Songti SC", "SimSun", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

.thin-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--leaf), var(--gold), var(--ink));
}

.masthead {
  text-align: center;
  padding: 22px 0 8px;
}

.masthead .mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.masthead svg {
  width: 28px;
  height: 28px;
}

.pill-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 10px 0 28px;
}

.pill-nav a {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
}

.pill-nav a:hover {
  background: var(--ink);
  color: var(--paper);
}

.hero {
  padding: 20px 0 56px;
  text-align: center;
}

.hero h1 {
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.22;
  font-weight: 500;
  max-width: 860px;
  margin: 0 auto 18px;
}

.gold-rule {
  width: 88px;
  height: 3px;
  background: var(--gold);
  margin: 0 auto 22px;
}

.hero p {
  max-width: 640px;
  margin: 0 auto 12px;
  font-size: 18px;
  color: var(--muted);
}

.go {
  display: inline-block;
  margin-top: 16px;
  background: var(--leaf);
  color: #fff;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  font-weight: 700;
  padding: 12px 28px;
}

.mini-compare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gold);
  margin-top: 36px;
  border: 1px solid var(--gold);
}

.mini-compare div {
  background: var(--cream);
  padding: 16px 14px;
  text-align: left;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
}

.mini-compare strong {
  display: block;
  font-size: 13px;
  color: var(--leaf);
  margin-bottom: 4px;
}

/* Giant steps */
.giant-steps {
  padding: 10px 0 64px;
}

h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  margin-bottom: 10px;
}

.deck {
  color: var(--muted);
  margin-bottom: 24px;
  max-width: 680px;
}

.nums {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.num-block {
  border-top: 1px solid var(--ink);
  padding-top: 8px;
}

.num-block .n {
  font-family: Georgia, serif;
  font-size: 72px;
  line-height: 0.9;
  color: var(--gold);
  font-weight: 500;
}

.num-block h3 {
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  margin: 8px 0;
}

.num-block p {
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  font-size: 14.5px;
  color: var(--muted);
}

/* Mosaic 1+2 */
.mosaic-sec,
.story,
.files-sec,
.lock-sec,
.browsers,
.faq-area {
  padding: 48px 0 56px;
}

.mosaic {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
}

.tile svg { width: 28px; height: 28px; margin-bottom: 8px; color: #2c5f2d; display: block; }
.tile {
  background: var(--cream);
  padding: 26px 24px;
  border: 1px solid #e3dcc8;
}

.tile.wide {
  grid-row: 1 / span 2;
  background: var(--ink);
  color: #f7f3e9;
}

.tile.wide p {
  color: #d8d2c2;
}

.tile h3 {
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  font-size: 18px;
  margin-bottom: 10px;
}

.tile p,
.tile li {
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  font-size: 14.5px;
}

.tile ul {
  padding-left: 18px;
}

.quote {
  border-left: 3px solid var(--gold);
  padding: 8px 0 8px 18px;
  font-size: 20px;
  font-style: italic;
  margin: 20px 0;
}

.chat-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.chat-cols article {
  background: var(--cream);
  padding: 20px;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
}

.chat-cols h3 {
  margin-bottom: 8px;
}

.chat-cols p {
  color: var(--muted);
  font-size: 14.5px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  font-size: 14.5px;
  background: var(--cream);
}

th,
td {
  border: 1px solid #d8cfb6;
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--leaf);
  color: #fff;
}

.bounds {
  margin-top: 16px;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  background: #efe6cf;
  padding: 16px 18px;
}

.bounds ul {
  padding-left: 18px;
}

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.pair article,
.lock-grid article,
.b-notes article {
  background: var(--cream);
  padding: 20px;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
}

.lock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

.b-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
}

.tags span {
  border: 1px dashed var(--gold);
  padding: 6px 12px;
  font-size: 13px;
}

details {
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  border-bottom: 1px solid #d8cfb6;
  padding: 12px 0;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

details p {
  margin-top: 8px;
  color: var(--muted);
}

.colophon {
  background: var(--ink);
  color: #d4cbb4;
  padding: 34px 0;
  font-family: "Segoe UI", system-ui, "Microsoft YaHei", sans-serif;
  font-size: 13.5px;
}

.colophon .page p + p {
  margin-top: 10px;
}

@media (max-width: 820px) {
  .mini-compare,
  .nums,
  .mosaic,
  .chat-cols,
  .pair,
  .lock-grid,
  .b-notes {
    grid-template-columns: 1fr;
  }

  .tile.wide {
    grid-row: auto;
  }
}

.digest { padding: 48px 0 20px; border-top: 1px solid #e4dcc8; }
.digest-col { display: grid; gap: 20px; }
.digest-col article { padding-bottom: 16px; border-bottom: 1px dashed #c4a35a; }
.digest-col time { font-size: 12px; letter-spacing: 0.12em; color: #c4a35a; }
.digest-col h3 { font-size: 20px; margin: 6px 0 8px; }