:root {
  --ink: #1c2420;
  --ink-soft: #3d4a43;
  --paper: #eef2ee;
  --sheet: #f7f8f6;
  --pitch: #143329;
  --pitch-2: #1d4336;
  --amber: #c27a22;
  --amber-deep: #9a5e16;
  --line: #c7d2cb;
  --mute: #5d6c64;
  --radius: 2px;
  --header-h: 64px;
  --font-display: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

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

html { font-size: 16px; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  line-height: 1.7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--amber-deep); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--pitch);
  color: #f3f6f3;
  min-height: var(--header-h);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1rem;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: #f3f6f3;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: var(--radius);
  background: #f3f6f3;
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(243, 246, 243, 0.35);
  background: transparent;
  color: #f3f6f3;
  min-height: 44px;
  padding: 0 0.9rem;
  font: inherit;
  cursor: pointer;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.site-nav a {
  color: #d7e2db;
  font-size: 0.95rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-nav a.is-active,
.site-nav a[aria-current="page"] {
  color: #fff;
  border-bottom: 2px solid var(--amber);
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.kicker {
  font-size: 0.82rem;
  color: var(--amber-deep);
  letter-spacing: 0.08em;
  margin: 0 0 0.35rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 650;
}

h1 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0 0 0.7rem; }
h2 { font-size: 1.35rem; margin: 1.6rem 0 0.6rem; }
h3 { font-size: 1.08rem; margin: 1.2rem 0 0.4rem; }

.lede { font-size: 1.05rem; color: var(--ink-soft); max-width: 62ch; }

.home-lead {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
  margin-bottom: 1.75rem;
}

.lead-copy {
  background: var(--pitch);
  color: #eef4f0;
  padding: 1.4rem 1.5rem 1.6rem;
}

.lead-copy h1 { color: #fff; }
.lead-copy p { color: #d5e0d9; }
.lead-copy .btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1rem;
  background: var(--amber);
  color: #1c180f;
  margin-top: 0.9rem;
}
.lead-copy .btn:hover { color: #1c180f; background: #d3923a; }

.lead-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
}

.pulse-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 0 0 2rem;
}
.pulse-bar div {
  padding: 0.85rem 0.75rem;
  border-right: 1px solid var(--line);
}
.pulse-bar div:last-child { border-right: 0; }
.pulse-bar strong { display: block; font-family: var(--font-display); font-size: 1.2rem; }
.pulse-bar span { color: var(--mute); font-size: 0.85rem; }

.section {
  margin: 0 0 2.2rem;
}
.section h2 { margin-top: 0; }

.desk-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
}

.story-card {
  background: var(--sheet);
  border: 1px solid var(--line);
}
.story-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.story-card .pad { padding: 0.9rem 1rem 1.1rem; }
.story-card h3 { margin: 0 0 0.4rem; font-size: 1.2rem; }
.meta { color: var(--mute); font-size: 0.82rem; margin: 0 0 0.4rem; }

.brief-col {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.brief {
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}
.brief h3 { font-size: 1rem; margin: 0 0 0.25rem; }

.play-mosaic {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: 0.9rem;
}
.play-mosaic article:first-child { grid-row: 1 / span 2; }
.play-mosaic img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.tile { background: var(--sheet); border: 1px solid var(--line); }
.tile .pad { padding: 0.8rem 0.9rem 1rem; }

.locker-rail {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.4rem;
  background: var(--sheet);
  border: 1px solid var(--line);
}
.locker-rail img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
.locker-rail .pad { padding: 1.1rem 1.2rem; }

.method-block {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1.3rem;
  align-items: center;
}
.method-block ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }

.faq-list details {
  border-top: 1px solid var(--line);
  padding: 0.7rem 0;
}
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.cta-field {
  position: relative;
  min-height: 240px;
  color: #f4f7f4;
  overflow: hidden;
}
.cta-field img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cta-field .shade {
  position: relative;
  background: linear-gradient(90deg, rgba(20, 51, 41, 0.88), rgba(20, 51, 41, 0.35));
  padding: 2rem 1.4rem;
  min-height: 240px;
}
.cta-field a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 1rem;
  background: var(--amber);
  color: #1c180f;
  margin-top: 0.8rem;
}

.page-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}
.page-hero img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

.cat-list {
  display: grid;
  gap: 1rem;
}
.cat-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  background: var(--sheet);
  border: 1px solid var(--line);
}
.cat-item img { width: 100%; height: 100%; object-fit: cover; min-height: 140px; }
.cat-item .pad { padding: 0.9rem 1rem; }

.article-shell {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 1.6rem;
  align-items: start;
}

article.story { background: var(--sheet); border: 1px solid var(--line); padding: 1.2rem 1.25rem 2rem; }
.breadcrumb { font-size: 0.86rem; color: var(--mute); margin: 0 0 0.8rem; }
.breadcrumb a { color: var(--ink-soft); }
.article-meta { color: var(--mute); font-size: 0.86rem; margin: 0 0 1rem; }

.figure-full { margin: 1rem 0 1.2rem; }
.figure-full img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.caption { color: var(--mute); font-size: 0.8rem; margin-top: 0.35rem; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0 1.2rem;
  align-items: start;
}
.split img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.inline-figure {
  float: right;
  width: min(42%, 280px);
  margin: 0 0 1rem 1rem;
}
.inline-figure img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.figure-left {
  float: left;
  width: min(42%, 280px);
  margin: 0 1rem 1rem 0;
}

.callout {
  border-left: 3px solid var(--amber);
  padding: 0.6rem 0.9rem;
  background: #e7eee8;
  margin: 1rem 0;
}

aside.related {
  background: var(--pitch);
  color: #e7eee8;
  padding: 1rem 1rem 1.2rem;
}
aside.related h2 { color: #fff; font-size: 1.05rem; margin: 0 0 0.8rem; }
aside.related a { display: block; color: #dce6df; padding: 0.45rem 0; border-top: 1px solid rgba(255,255,255,0.12); }
aside.related a:first-of-type { border-top: 0; }
aside.related a:hover { color: #fff; }

.back-cat { margin-top: 1.4rem; }
.back-cat a { color: var(--amber-deep); }

.site-footer {
  background: var(--pitch-2);
  color: #d4ddd7;
  padding: 1.8rem 1rem 2.2rem;
  margin-top: 1rem;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.4rem;
}
.footer-brand {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}
.site-footer a { color: #d4ddd7; display: block; min-height: 36px; }
.site-footer p { margin: 0.25rem 0; font-size: 0.9rem; }

@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    background: var(--pitch-2);
    flex-direction: column;
    align-items: stretch;
    padding: 0.4rem 1rem 0.8rem;
    gap: 0;
  }
  .site-header.is-open .site-nav { display: flex; }
  .site-nav a { border-bottom: 1px solid rgba(255,255,255,0.08); }
  .home-lead,
  .desk-grid,
  .play-mosaic,
  .locker-rail,
  .method-block,
  .page-hero,
  .article-shell,
  .cat-item,
  .split,
  .footer-inner,
  .pulse-bar {
    grid-template-columns: 1fr;
  }
  .play-mosaic article:first-child { grid-row: auto; }
  .pulse-bar div { border-right: 0; border-bottom: 1px solid var(--line); }
  .inline-figure,
  .figure-left {
    float: none;
    width: 100%;
    margin: 0.8rem 0;
  }
  .wrap { padding: 1rem 0.85rem 2.2rem; }
  body { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}