.item-card{padding:1.2rem;border:1px solid var(--border-blue);border-radius:12px;background:var(--bg-card);margin:0 0 1rem;box-shadow:var(--shadow-sm);overflow-wrap:anywhere}.item-card h3{font-size:1.08rem;margin:.6rem 0;line-height:1.5}.item-meta{display:flex;gap:.6rem;flex-wrap:wrap;color:var(--fg-muted);font-size:.8rem}.item-summary{font-size:.92rem;white-space:pre-wrap}.identifiers{font-family:var(--font-mono);font-size:.8rem}.item-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.75rem}.item-tags{display:flex;flex-wrap:wrap;gap:.6rem;font-size:.8rem}button,select,input{font:inherit;color:var(--fg)}.detail-button,.page-nav a,.page-nav button{border:1px solid var(--border-blue);padding:.45rem .7rem;background:#fff;border-radius:6px;cursor:pointer}.item-detail{border-top:1px solid var(--border-blue);margin-top:1rem;white-space:pre-wrap;font-size:.9rem}.page-nav{display:flex;gap:1rem;align-items:center;margin:1.5rem 0;flex-wrap:wrap}[hidden]{display:none!important}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}:root{--fg: #17324d;--fg-muted: #5b7c99;--bg: #eef8ff;--bg-card: rgba(255, 255, 255, .72);--border: rgba(216, 182, 108, .35);--border-blue: rgba(91, 188, 228, .35);--accent: #2f80b7;--accent-hover: #5bbce4;--accent-gold: #d8b66c;--shadow-sm: 0 4px 16px rgba(47, 128, 183, .08);--shadow: 0 10px 30px rgba(216, 182, 108, .15), inset 0 0 0 1px rgba(255, 255, 255, .6);--shadow-glow: 0 0 20px rgba(91, 188, 228, .4), inset 0 0 0 1px rgba(255, 255, 255, .9);--radius: 16px;--transition: transform .3s cubic-bezier(.25, .8, .25, 1), box-shadow .3s cubic-bezier(.25, .8, .25, 1), border-color .3s cubic-bezier(.25, .8, .25, 1);--header-bg: rgba(238, 248, 255, .95);--bg-pattern: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, .95) 0%, transparent 40%), radial-gradient(circle at 90% 10%, rgba(216, 182, 108, .15) 0%, transparent 45%), radial-gradient(circle at 50% 80%, rgba(91, 188, 228, .1) 0%, transparent 60%), linear-gradient(135deg, #eef8ff 0%, #dff3ff 30%, #f0f9ff 60%, #e0f2fe 100%);--font-sans: "Georgia", "Palatino Linotype", "Times New Roman", "PingFang SC", "Hiragino Sans GB", serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html,body{margin:0;padding:0;background-color:var(--bg);background-image:var(--bg-pattern);color:var(--fg);font-family:var(--font-sans);line-height:1.6;position:relative;min-height:100vh}body:before{content:"";position:fixed;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(255,255,255,.4) 0%,transparent 70%),linear-gradient(180deg,transparent 0%,rgba(91,188,228,.03) 50%,transparent 100%);background-size:100% 200%;pointer-events:none;z-index:-1}body:after{content:"";position:fixed;inset:0;background-image:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,.05) 10px,rgba(255,255,255,.05) 11px);pointer-events:none;z-index:-1}h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);color:var(--fg)}a{color:var(--accent);text-decoration:none;transition:var(--transition)}a:hover{color:var(--accent-hover)}main{max-width:1200px;margin:0 auto;padding:2rem 1rem 4rem}header.site-header{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border-blue);padding:1rem;background:var(--header-bg);box-shadow:0 4px 20px #2f80b70d}header.site-header:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--accent-gold),transparent);opacity:.7}header.site-header .inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}header.site-header h1{margin:0;font-size:1.4rem;font-weight:700;background:linear-gradient(135deg,var(--fg),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 2px 4px rgba(47,128,183,.1)}.nav-container{display:flex;align-items:center;gap:1.5rem}.nav-links{display:flex;gap:1.5rem;font-size:1rem}.nav-links a{color:var(--fg-muted);font-weight:500;position:relative}.nav-links a:hover{color:var(--accent)}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:50%;transform:translate(-50%);width:0;height:2px;background:var(--accent-gold);transition:var(--transition)}.nav-links a:hover:after{width:100%}footer.site-footer{border-top:1px solid var(--border-blue);padding:2rem 1rem;font-size:.85rem;color:var(--fg-muted);text-align:center;background:#fff6;position:relative}footer.site-footer:before{content:"";position:absolute;top:0;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--accent-gold),transparent);opacity:.5}h2{font-size:1.25rem;margin-top:2.5rem;color:var(--fg)}.muted{color:var(--fg-muted);font-size:.9rem}