:root{--color-bg:#d8ecea;--color-ink:#1f3d3b;--color-ink-light:#5f7f7c;--color-accent:#2fa8a0;--color-accent-deep:#1e857e;--glass-bg:#ffffff73;--glass-bg-strong:#ffffffa6;--glass-border:1px solid #ffffffa6;--glass-blur:blur(14px);--shadow-card:0 8px 24px #1f595829;--shadow-card-hover:0 16px 36px #1f59583d;--shadow-panel:0 12px 32px #1f59582e;--radius-card:14px;--radius-panel:18px;--radius-button:999px;--sidebar-width:200px;--header-height:64px;--duration-fast:.16s;--duration-normal:.26s;--ease-out:cubic-bezier(.22, 1, .36, 1);--font-family:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}html,body{height:100%}body{font-family:var(--font-family);background:var(--color-bg);color:var(--color-ink);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,select{color:inherit;font-family:inherit}img{display:block}.layout{min-height:100vh;display:flex}.header{z-index:30;height:var(--header-height);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border-bottom:var(--glass-border);align-items:center;gap:12px;padding:0 20px;display:flex;position:sticky;top:0}.search-engine-select{background:var(--glass-bg-strong);border:var(--glass-border);border-radius:var(--radius-button);box-shadow:var(--shadow-card);cursor:pointer;transition:box-shadow var(--duration-fast) var(--ease-out);outline:none;flex-shrink:0;padding:9px 12px;font-size:14px;font-weight:600}.search-engine-select:hover{box-shadow:var(--shadow-card-hover)}.search-box{background:var(--glass-bg-strong);border:var(--glass-border);border-radius:var(--radius-button);min-width:0;box-shadow:var(--shadow-card);transition:box-shadow var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);flex:1;align-items:center;gap:8px;padding:9px 18px;display:flex}.search-box:focus-within{box-shadow:var(--shadow-card-hover);transform:translateY(-1px)}.search-box input{background:0 0;border:none;outline:none;flex:1;min-width:0;font-size:15px}.search-box input::placeholder{color:var(--color-ink-light)}.icon-button{background:var(--glass-bg-strong);border:var(--glass-border);width:40px;height:40px;box-shadow:var(--shadow-card);transition:transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);border-radius:12px;flex-shrink:0;place-items:center;font-size:18px;display:grid}.icon-button:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.sidebar{top:var(--header-height);width:var(--sidebar-width);height:calc(100vh - var(--header-height));flex-shrink:0;padding:16px 12px;position:sticky;overflow-y:auto}.sidebar-item{text-align:left;width:100%;color:var(--color-ink-light);transition:background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);border:1px solid #0000;border-radius:12px;align-items:center;gap:8px;margin-bottom:6px;padding:10px 14px;font-size:14.5px;font-weight:600;display:flex}.sidebar-item:hover{background:var(--glass-bg);color:var(--color-ink);transform:translate(2px)}.sidebar-item.active{background:var(--glass-bg-strong);border:var(--glass-border);box-shadow:var(--shadow-card);color:var(--color-accent-deep)}.mobile-category-select{display:none}.content{flex:1;min-width:0;padding:8px 24px 120px}.category-section{scroll-margin-top:calc(var(--header-height) + 12px);padding-top:20px}.category-heading{align-items:center;gap:10px;margin-bottom:14px;font-size:21px;font-weight:800;display:flex}.sub-category-block{margin-bottom:22px}.sub-category-title{color:var(--color-accent-deep);background:var(--glass-bg);border:var(--glass-border);border-radius:var(--radius-button);align-items:center;margin-bottom:12px;padding:5px 14px;font-size:14px;font-weight:700;display:inline-flex}.site-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;display:grid}.site-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);flex-direction:column;align-items:center;gap:10px;padding:18px 12px 14px;display:flex;position:relative}.site-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-5px)}.site-card.dragging{opacity:.4}.site-icon{background:var(--glass-bg-strong);border:var(--glass-border);border-radius:12px;flex-shrink:0;place-items:center;width:46px;height:46px;font-size:23px;display:grid;overflow:hidden}.site-icon img{object-fit:contain;width:26px;height:26px}.site-name{text-align:center;word-break:break-all;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13.5px;font-weight:600;line-height:1.35;display:-webkit-box;overflow:hidden}.card-actions{opacity:0;transition:opacity var(--duration-fast);gap:4px;display:flex;position:absolute;top:6px;right:6px}.site-card:hover .card-actions,.site-card:focus-within .card-actions{opacity:1}.card-action-btn{background:var(--glass-bg-strong);border:var(--glass-border);width:26px;height:26px;box-shadow:var(--shadow-card);transition:transform var(--duration-fast) var(--ease-out);border-radius:8px;place-items:center;font-size:13px;display:grid}.card-action-btn:hover{transform:scale(1.12)}.fab{color:#fff;background:var(--color-accent);border:var(--glass-border);width:56px;height:56px;box-shadow:var(--shadow-panel);transition:transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);z-index:40;border-radius:18px;place-items:center;font-size:28px;font-weight:700;display:grid;position:fixed;bottom:28px;right:28px}.fab:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}.modal-mask{-webkit-backdrop-filter:blur(4px);z-index:50;animation:fade-in var(--duration-fast) ease-out;background:#1f3d3b4d;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:var(--glass-bg-strong);width:100%;max-width:440px;max-height:85vh;-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-panel);box-shadow:var(--shadow-panel);animation:pop-in var(--duration-normal) var(--ease-out);padding:26px;overflow-y:auto}.modal-title{align-items:center;gap:8px;margin-bottom:20px;font-size:19px;font-weight:800;display:flex}.form-field{margin-bottom:16px}.form-label{color:var(--color-ink-light);margin-bottom:6px;font-size:13px;font-weight:700;display:block}.form-input,.form-select{border:var(--glass-border);width:100%;transition:box-shadow var(--duration-fast) var(--ease-out);background:#ffffff8c;border-radius:12px;outline:none;padding:10px 14px;font-size:15px}.form-input:focus,.form-select:focus{box-shadow:var(--shadow-card);background:#fffc}.form-hint{color:var(--color-ink-light);margin-top:5px;font-size:12px}.modal-buttons{flex-wrap:wrap;justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.btn{background:var(--glass-bg-strong);border:var(--glass-border);border-radius:var(--radius-button);box-shadow:var(--shadow-card);transition:transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);padding:10px 22px;font-size:14.5px;font-weight:700}.btn:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.btn-primary{background:var(--color-accent);color:#fff}.btn-danger{color:#c94f60}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.empty-state{text-align:center;color:var(--color-ink-light);padding:60px 20px}.empty-state .empty-emoji{margin-bottom:14px;font-size:52px;display:block}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes pop-in{0%{opacity:0;transform:scale(.94)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}html{scroll-behavior:auto}}@media (width<=768px){.sidebar{display:none}.mobile-category-select{background:var(--glass-bg-strong);border:var(--glass-border);border-radius:var(--radius-button);max-width:120px;box-shadow:var(--shadow-card);outline:none;flex-shrink:0;padding:9px 10px;font-size:14px;font-weight:600;display:block}.content{padding:4px 14px 110px}.site-grid{grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:10px}.fab{width:52px;height:52px;bottom:18px;right:18px}}