:root {
  color-scheme: light;
  --stone: #dfdbd2;
  --mineral: #efebe3;
  --walnut: #362f29;
  --moss: #526754;
  --moss-hover: #405743;
  --muted: #655d54;
  --line: rgba(99, 85, 68, .17);
  --body-font: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --display-font: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
}
* { box-sizing: border-box; }
html { min-width: 0; scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(ellipse at 75% 12%, #e7e3dc 0, transparent 66%), var(--stone);
  color: var(--walnut);
  font-family: var(--body-font);
  -webkit-font-smoothing: antialiased;
  font-size: 1.125rem;
  line-height: 1.6;
  min-height: 100vh;
}
a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--moss); outline-offset: 5px; }
::selection { color: #fff; background: var(--moss); }
.icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 24px; height: 24px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 10; padding: 10px 18px; color: #fff; background: var(--moss); border-radius: 5px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.daylight { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.daylight::before {
  content: "";
  position: absolute;
  left: -20rem;
  bottom: -27rem;
  width: 70rem;
  height: 72rem;
  background: linear-gradient(43deg, transparent 34%, rgba(255, 243, 220, .35) 38%, rgba(255, 246, 229, .88) 41%, transparent 45%, transparent 48%, rgba(255, 244, 224, .78) 53%, rgba(255, 244, 224, .68) 58%, transparent 64%);
  filter: blur(15px);
}
.page-shell { width: min(1160px, calc(100% - 80px)); margin: 0 auto; padding: 40px 0 24px; }
.site-header { display: flex; align-items: flex-start; gap: 22px; margin-bottom: 32px; }
.brand-mark { width: 14px; height: 64px; margin-top: 3px; flex: 0 0 auto; background: var(--moss); }
.site-header h1 { margin: 0; font-weight: 500; font-size: 2.75rem; line-height: 1.1; letter-spacing: .08em; }
.site-description { color: var(--muted); margin: 6px 0 0; font-size: 1rem; line-height: 1.45; letter-spacing: .04em; }
.content-column { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 24px; }
#tools, #toys { scroll-margin-top: 20px; }
.section-title { font-family: var(--display-font); font-size: 2rem; line-height: 1.28; font-weight: 700; letter-spacing: .015em; margin: 0; }
.tools-panel, .toys-panel { min-width: 0; padding: 28px; border-radius: 12px; }
.tools-panel { background: rgba(245, 242, 235, .67); }
.tools-panel > .section-title { margin-bottom: 22px; }
.featured-project { display: grid; gap: 20px; padding: 16px; background: rgba(250, 248, 242, .79); border-radius: 10px; }
.project-image { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; object-position: center; border-radius: 7px; background: #172f38; }
.project-details { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 18px; min-width: 0; }
.project-details h3 { grid-column: 1; font-family: Georgia, "Times New Roman", serif; font-size: 2rem; line-height: 1.18; font-weight: 400; letter-spacing: -.015em; margin: 0; }
.project-alias { grid-column: 1; color: var(--muted); font-size: .75rem; letter-spacing: .3em; line-height: 1.5; margin: 4px 0 0; }
.project-description { grid-column: 1; margin: 12px 0 0; font-size: 1rem; line-height: 1.5; }
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 50px; padding: 10px 18px; background: var(--moss); color: #fffdf6; border: 1px solid transparent; border-radius: 8px; font-size: 1rem; line-height: 1.5; text-decoration: none; white-space: nowrap; transition: background 180ms ease; }
.project-details .primary-button { grid-column: 2; grid-row: 1 / 4; align-self: center; }
.primary-button:hover { background: var(--moss-hover); }
.primary-button:active { background: #354c38; }
.secondary-tool { display:flex;align-items:center;gap:16px;min-height:110px;margin-top:16px;padding:18px 16px;background:rgba(250,248,242,.79);border-radius:10px;color:var(--walnut);text-decoration:none; }
.secondary-tool:hover { background:rgba(250,248,242,.98); }
.tool-monogram { display:grid;place-items:center;flex:0 0 50px;height:58px;border:1px solid #52675430;border-radius:7px;background:#5267540c;color:var(--moss);font:24px Georgia,serif; }
.secondary-tool-copy { min-width:0;flex:1; }.secondary-tool-copy strong { display:block;font:25px Georgia,serif; }.secondary-tool-copy small { display:block;font-size:11px;letter-spacing:.13em;color:var(--muted);margin-top:4px; }.secondary-tool-copy>span { display:block;font-size:13px;margin-top:8px;color:var(--muted); }.secondary-tool>.arrow { color:var(--moss); }
.arrow { transition: transform 180ms ease; }
.primary-button:hover .arrow, .toy-entry:hover .arrow { transform: translateX(4px); }
.toys-panel { display: flex; flex-direction: column; gap: 24px; background: rgba(236, 235, 224, .81); }
.toys-description { color: var(--muted); margin: 6px 0 0; font-size: 1rem; line-height: 1.6; }
.toy-entries { flex: 1; display: grid; grid-template-rows: repeat(3, 1fr); gap: 10px; }
.toy-entry { display: flex; gap: 16px; align-items: center; min-height: 108px; padding: 20px 16px; border-radius: 8px; color: var(--walnut); background: rgba(250, 248, 239, .65); text-decoration: none; }
.toy-entry:hover { background: rgba(250, 248, 239, .95); }
.toy-entry > span:not(.toy-number) { min-width: 0; }
.toy-entry strong { display: block; font-size: 1.125rem; font-weight: 500; }
.toy-entry small { display: block; margin-top: 5px; font-size: .8125rem; line-height: 1.65; color: var(--muted); }
.toy-entry .arrow { margin-left: auto; color: var(--moss); width: 20px; }
.toy-number { display: grid; place-items: center; flex: 0 0 36px; height: 40px; border-radius: 5px; background: #dedfd7; color: #727463; font: italic 20px Georgia, serif; }
.site-footer { margin-top: 24px; text-align: center; font-size: 12px; color: #77796c; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; color: inherit; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
@media (min-width: 761px) and (max-width: 1000px) {
  .page-shell { width: calc(100% - 48px); }
  .content-column { grid-template-columns: minmax(0, 1fr); }
  .featured-project { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 28px; }
  .project-details { display: block; }
  .project-details .primary-button { margin-top: 18px; }
  .project-image { aspect-ratio: 4 / 3; }
  .toy-entry { min-height: 90px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}