:root{--paper:#fbfaf7;--ink:#1a1c1b;--line:#dedbd4;--shadow:0 12px 32px rgba(0,0,0,.055)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:78px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.2;background-image:radial-gradient(#bfb9ab .6px,transparent .6px);background-size:14px 14px}
a{color:inherit}button{font:inherit;cursor:pointer}.sitebar{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.bar-inner{max-width:1210px;margin:auto;min-height:64px;padding:8px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{text-decoration:none;font-weight:750;font-size:15px;letter-spacing:.01em}.barlinks{display:flex;align-items:center;gap:13px}.barlinks a,.menu-toggle{font-size:13px;text-decoration:none;background:none;border:0;padding:8px 10px;border-radius:8px;white-space:nowrap}.barlinks a:hover,.menu-toggle:hover{background:#eae8e3}.menu-toggle{font-weight:700;border:1px solid var(--line);background:#fff}
.viewport{max-width:1210px;margin:0 auto;padding:22px 14px 50px}.raster{position:relative;width:100%;background:#fff;border:1px solid #e9e6dd;box-shadow:var(--shadow)}.raster picture,.raster img{display:block;width:100%;height:auto}.hit{display:block;position:absolute;z-index:2;border-radius:10px;cursor:pointer}.hit:hover{outline:2px solid rgba(32,32,32,.25);outline-offset:1px}.hit:focus-visible{outline:3px solid #222;outline-offset:2px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.drawer[hidden]{display:none}.drawer{position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.33);display:flex;justify-content:flex-end}.drawer-panel{width:min(440px,100%);height:100%;overflow:auto;background:#fbfaf7;padding:26px 25px 70px;box-shadow:-10px 0 35px rgba(0,0,0,.10)}.drawer-head{display:flex;justify-content:space-between;gap:16px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px}.drawer h2{font-size:20px;margin:0}.close{border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 13px;font-size:14px}.drawer-group{margin-top:25px}.drawer-group h3{font-size:16px;margin:0 0 9px;border-bottom:1px solid var(--line);padding-bottom:12px}.drawer-group a{display:flex;gap:12px;text-decoration:none;padding:12px 4px;border-bottom:1px solid var(--line);font-size:14px;line-height:1.6}.drawer-group a span{font-weight:750;color:#646464;min-width:26px}.drawer-group a:hover{text-decoration:underline}.bottom-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;padding:20px 0 6px}.bottom-nav a{display:inline-flex;align-items:center;padding:11px 17px;background:#fff;border:1px solid var(--line);border-radius:9px;text-decoration:none;font-size:14px}.bottom-nav a:hover{background:#eeeae4}.notice{max-width:1210px;margin:0 auto 30px;padding:0 18px;color:#696762;font-size:12px;line-height:1.8}
@media(max-width:760px){.bar-inner{min-height:57px;padding:8px 12px}.brand{font-size:13px}.barlinks a{display:none}.menu-toggle{font-size:13px}.viewport{padding:10px 0 28px}.raster{border-left:0;border-right:0}.bottom-nav{padding:13px 11px}.bottom-nav a{font-size:12px;min-height:43px;flex:1 1 115px;justify-content:center}.notice{font-size:11px;padding:0 15px}.drawer-panel{padding:18px 16px 60px}}
/* all 13 clickable topic cards in full-page image */
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@media(max-width:760px){.hit-05{left:4.00000%;top:24.56897%;width:91.75000%;height:3.35753%}}
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@media(max-width:760px){.hit-04{left:4.00000%;top:50.93013%;width:91.75000%;height:3.35753%}}
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@media(max-width:760px){.hit-02{left:4.00000%;top:54.58258%;width:91.75000%;height:3.35753%}}
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@media(max-width:760px){.hit-10{left:4.00000%;top:58.23503%;width:91.75000%;height:3.35753%}}
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@media(max-width:760px){.hit-07{left:4.00000%;top:65.53993%;width:91.75000%;height:3.35753%}}
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@media(max-width:760px){.hit-12{left:4.00000%;top:71.41561%;width:91.75000%;height:3.35753%}}
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