:root{color-scheme:light;--bg: #f7f2e8;--surface: #fffdf8;--surface-strong: #fff8ef;--text: #241f1a;--muted: #6d6258;--line: rgba(62, 45, 31, .12);--accent: #b24a2e;--accent-soft: #f4dfd4;--green: #4f7c65;--blue: #506d88;--gold: #c28b34;--shadow: 0 10px 30px rgba(36, 31, 26, .08);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--container: 1180px}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6;-webkit-text-size-adjust:100%}body{margin:0;overflow-x:hidden}body.has-image-viewer-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}.container{width:min(100% - 32px,var(--container));margin:0 auto}.site-shell{min-height:100vh;display:flex;flex-direction:column}.site-main{flex:1}.site-header{position:sticky;top:0;z-index:40;backdrop-filter:blur(16px);background:#f7f2e8db;border-bottom:1px solid var(--line)}.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}.brand{display:flex;align-items:center;gap:14px}.brand-mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#f4dfd4,#f3ebd6);color:var(--accent);font-size:20px;font-weight:700;box-shadow:var(--shadow)}.brand-copy strong,.brand-copy span{display:block}.brand-copy strong{font-size:1rem}.brand-copy span{color:var(--muted);font-size:.85rem}.nav-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.nav-links a{padding:8px 12px;border-radius:999px;color:var(--muted);transition:background-color .16s ease,color .16s ease}.nav-links a:hover,.nav-links a[aria-current=page]{background:var(--surface);color:var(--text)}.hero{padding:52px 0 28px}.hero-grid{display:grid;grid-template-columns:1.1fr 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transparent;background:var(--text);color:#fff}.button.secondary{background:transparent;color:var(--text);border-color:var(--line)}.hero-media{border-radius:var(--radius-lg);padding:22px;display:grid;gap:18px}.media-placeholder{min-height:320px;border-radius:18px;background:radial-gradient(circle at top left,rgba(178,74,46,.18),transparent 40%),linear-gradient(145deg,#f7efe3,#f4e8d7);border:1px solid rgba(178,74,46,.12);display:grid;place-items:center;color:var(--muted);text-align:center;padding:24px}.hero-quote{padding:18px;border-radius:16px;background:var(--surface-strong)}.hero-quote strong{display:block;font-size:1.1rem;margin-bottom:8px}.page-section{padding:26px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-head h2,.section-head h3{margin:0;font-size:clamp(1.4rem,2vw,2rem)}.section-head p{margin:6px 0 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h3{margin:0 0 8px;font-size:1.12rem}.poem-card-title-link:hover{color:var(--accent)}.poem-card-body p{margin:0;color:var(--muted)}.poem-card-meta a:hover,.textbook-entry-meta a:hover,.meta-link:hover{color:var(--accent)}.poem-card-textbook{margin-top:10px;font-size:.9rem}.chip-row{margin-top:14px}.chip{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;font-size:.82rem;border:1px solid var(--line);background:var(--surface-strong);color:var(--muted)}.chip.accent{background:var(--accent-soft);color:var(--accent);border-color:transparent}.chip-verified,.chip-ready{background:#4f7c651f;color:var(--green);border-color:transparent}.chip-pending,.chip-scaffold{background:#c28b3424;color:var(--gold);border-color:transparent}.chip-missing{background:#506d8824;color:var(--blue);border-color:transparent}.textbook-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.textbook-grade-card{border-radius:var(--radius-md);padding:18px}.textbook-grade-card h3{margin:0 0 8px}.textbook-grade-card p{color:var(--muted);margin:0 0 14px}.textbook-grade-card ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}.textbook-grade-card li a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;background:var(--surface-strong)}.grade-link-copy{display:grid;gap:2px}.grade-link-copy strong{font-size:1rem}.grade-link-meta{color:var(--muted);font-size:.88rem}.grade-link-badge{flex-shrink:0;border-radius:999px;padding:6px 10px;background:#4f7c651f;color:var(--green);font-size:.82rem}.grade-link-badge.is-pending{background:#c28b3424;color:var(--gold)}.library-grid{grid-template-columns:260px minmax(0,1fr)}.side-menu{position:sticky;top:86px;align-self:start}.menu-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.menu-list a{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:12px;background:var(--surface);border:1px solid var(--line)}.menu-list 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.poem-line{margin-top:4px}.meta-row{color:var(--muted)}.meta-link{color:inherit}.media-panel{display:grid;gap:18px}.media-box,.audio-box,.video-box,.detail-note{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.detail-note p,.media-box p,.audio-box p,.video-box p{margin:8px 0 0;color:var(--muted)}.detail-textbook-list{display:grid;gap:6px;margin-top:12px}.detail-textbook-list p{margin:0;color:var(--muted)}.media-preview-trigger{display:block;width:100%;margin-top:12px;padding:0;border:0;border-radius:14px;overflow:hidden;background:var(--surface-strong);color:inherit;text-align:left;cursor:zoom-in;touch-action:manipulation;box-shadow:inset 0 0 0 1px #3e2d1f14}.media-preview-image,.media-preview-video{width:100%;aspect-ratio:4 / 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.progressive-image-full{opacity:0}.progressive-image.is-loaded .progressive-image-full{opacity:1}.progressive-image.is-loaded .progressive-image-placeholder{opacity:0}.image-viewer{position:fixed;inset:0;z-index:130;display:flex;align-items:stretch;justify-content:stretch;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));background:#18130ee0;backdrop-filter:blur(10px)}.image-viewer[hidden]{display:none}.image-viewer-backdrop{position:absolute;inset:0}.image-viewer-close{position:absolute;top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));z-index:2;min-height:44px;padding:0 16px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:#fffdf8f0;color:var(--text);cursor:pointer;box-shadow:0 12px 30px #18130e3d}.image-viewer-stage{position:relative;z-index:1;flex:1;display:grid;place-items:center;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.image-viewer-image{display:block;width:auto;max-width:min(100%,1500px);max-height:calc(100dvh - 40px);object-fit:contain;border-radius:14px;background:#ffffffb8;box-shadow:0 24px 60px #18130e47}.image-viewer-image.is-zoomable{max-width:none;max-height:none}html:has(.media-lightbox-target:target),body:has(.media-lightbox-target:target){overflow:hidden}.media-lightbox-target{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));opacity:0;visibility:hidden;pointer-events:none;overscroll-behavior:contain;background:#18130ec2;backdrop-filter:blur(8px)}.media-lightbox-target:target{opacity:1;visibility:visible;pointer-events:auto}.media-lightbox-backdrop{position:absolute;inset:0}.media-lightbox-shell{position:relative;z-index:1;display:grid;grid-template-rows:auto minmax(0,1fr);width:min(100%,1400px);max-height:calc(100dvh - 24px);background:#fffdf8fa;border:1px solid rgba(62,45,31,.14);border-radius:20px;box-shadow:0 30px 80px #18130e47;overflow:hidden}.media-lightbox-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid var(--line)}.media-lightbox-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:10px}.media-lightbox-open,.media-lightbox-zoom button,.media-lightbox-close{border:1px solid 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10;object-fit:cover}.textbook-entry-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.textbook-entry-kicker,.textbook-entry-meta,.textbook-entry-note{margin:0;color:var(--muted)}.textbook-entry-kicker{font-size:.88rem}.textbook-entry-card h3{margin:6px 0 4px;font-size:1.18rem}.textbook-entry-status{margin-top:0;justify-content:flex-end}.textbook-entry-lines{display:grid;gap:6px;padding:14px 16px;border-radius:14px;background:var(--surface-strong);border:1px solid var(--line)}.textbook-entry-lines p{margin:0}.textbook-entry-actions{display:flex;flex-wrap:wrap;gap:10px}.textbook-entry-card.is-missing{border-style:dashed}.content-rich :where(h2,h3){margin:0 0 8px}.content-rich :where(p,ul){margin:0;color:var(--text)}.empty-state{padding:24px;border-radius:18px;background:var(--surface);border:1px dashed var(--line);color:var(--muted)}.site-footer{padding:40px 0;color:var(--muted)}.search-shell{padding:52px 0 72px}.search-panel{display:grid;gap:18px}.search-input-wrap{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;min-height:60px;padding:0 18px;border-radius:18px;border:1px solid var(--line);background:var(--surface-strong)}.search-input-icon{color:var(--muted);font-size:.95rem}.search-input-wrap input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:1rem}.search-status{margin:0;color:var(--muted)}.search-results{display:grid;gap:14px}.search-result-item{padding:18px 0 0;border-top:1px solid var(--line)}.search-result-item:first-child{padding-top:0;border-top:0}.search-result-item h3{margin:0 0 8px;font-size:1.12rem}.search-result-item h3 a:hover{color:var(--accent)}.search-result-excerpt{margin:0;color:var(--muted)}.search-result-excerpt mark{background:#c28b3440;color:inherit;border-radius:4px;padding:0 2px}@media(max-width:1080px){.hero-grid,.detail-grid,.library-grid{grid-template-columns:1fr}.stats-grid,.card-grid,.textbook-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.side-menu{position:static}}@media(max-width:720px){.container{width:min(100% - 24px,var(--container))}.site-header-inner{flex-direction:column;align-items:stretch}.nav-links{justify-content:flex-start}.stats-grid,.card-grid,.textbook-grid{grid-template-columns:1fr}.textbook-entry-head{flex-direction:column}.textbook-entry-status{justify-content:flex-start}.hero-copy,.hero-media,.surface-panel,.poem-panel,.media-panel{padding:20px}.hero{padding:34px 0 18px}.hero-actions,.section-head{flex-direction:column;align-items:stretch}.meta-row{flex-direction:row;align-items:center;flex-wrap:nowrap;gap:8px;font-size:.92rem}.meta-row a,.meta-row span{white-space:nowrap}.hero-actions .button{width:100%}.poem-lines{padding:20px 14px}.poem-line{font-size:clamp(1.1rem,6vw,1.45rem);line-height:1.8}.media-placeholder{min-height:220px}.search-shell{padding:34px 0 48px}.media-lightbox-target{padding:max(10px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}.media-lightbox-head{align-items:flex-start;flex-direction:column;padding:14px 16px}.media-lightbox-actions{width:100%;justify-content:space-between}.media-lightbox-open,.media-lightbox-close{flex:1 1 0;justify-content:center}.image-viewer{padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}.image-viewer-close{top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right))}.media-lightbox-body{padding:12px}.media-lightbox-stage{min-height:min(58dvh,560px)}}@media(max-width:420px){.brand-copy span{display:none}.nav-links a{padding:8px 10px;font-size:.92rem}}