:root{--bg-main: #f7f8fa;--bg-card: #ffffff;--bg-panel: #f1f4f7;--bg-sidebar: #ffffff;--bg-hover: #eef3f7;--text-main: #151922;--text-secondary: #5d6675;--text-muted: #8b95a1;--accent: #229ed9;--accent-strong: #168ac1;--accent-light: #e7f5fc;--line: #dde4eb;--border: var(--line);--shadow: 0 1px 2px rgba(15, 23, 42, .04);--header-height: 56px;--sidebar-width: 248px}body.dark{--bg-main: #111418;--bg-card: #171b21;--bg-panel: #20262e;--bg-sidebar: #15191f;--bg-hover: #242b34;--text-main: #eef2f6;--text-secondary: #a8b1bd;--text-muted: #76828f;--accent: #42b8ee;--accent-strong: #75cff6;--accent-light: rgba(66, 184, 238, .14);--line: #2a323c;--border: var(--line);--shadow: 0 1px 2px rgba(0, 0, 0, .18)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{min-width:320px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-main);color:var(--text-main);line-height:1.5;transition:background-color .2s,color .2s}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}#app{display:flex;min-height:100vh}#sidebar{position:fixed;inset:0 auto 0 0;z-index:100;width:var(--sidebar-width);display:flex;flex-direction:column;background:var(--bg-sidebar);border-right:1px solid var(--line);transition:transform .2s ease}.sidebar-header{min-height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;border-bottom:1px solid var(--line)}.logo{display:flex;align-items:center;gap:10px;min-width:0}.logo svg{color:var(--accent);flex:0 0 auto}.sidebar-title{font-size:.98rem;font-weight:700;line-height:1.1}.sidebar-subtitle{margin-top:2px;color:var(--text-muted);font-size:.76rem}#close-sidebar-btn,#menu-btn,#theme-toggle{border:0;background:transparent;cursor:pointer}#close-sidebar-btn{display:none;width:32px;height:32px;align-items:center;justify-content:center;border-radius:8px;color:var(--text-secondary)}#close-sidebar-btn:hover,#menu-btn:hover,#theme-toggle:hover{background:var(--bg-hover);color:var(--text-main)}#category-nav{flex:1;overflow-y:auto;padding:14px 10px}.nav-section-label{padding:6px 10px 10px;color:var(--text-muted);font-size:.72rem;font-weight:700;text-transform:uppercase}.nav-item{min-height:36px;display:flex;align-items:center;gap:10px;padding:7px 10px;margin-bottom:2px;border-radius:8px;color:var(--text-secondary);cursor:pointer;font-size:.9rem;transition:background-color .16s,color .16s}.nav-item:hover{background:var(--bg-hover);color:var(--text-main)}.nav-item.active{background:var(--accent-light);color:var(--accent-strong);font-weight:700}.nav-icon{width:20px;flex:0 0 20px;text-align:center;font-size:.95rem}.sidebar-footer{padding:12px;border-top:1px solid var(--line)}.submit-btn{width:100%;min-height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--bg-card);color:var(--text-main);font-size:.88rem;font-weight:700;transition:border-color .16s,background-color .16s,color .16s}.submit-btn:hover{border-color:var(--accent);color:var(--accent-strong)}main{flex:1;min-width:0;margin-left:var(--sidebar-width)}header{position:sticky;top:0;z-index:50;min-height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 28px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg-main) 92%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.header-left,.header-right{display:flex;align-items:center;gap:12px}#menu-btn{display:none;width:36px;height:36px;align-items:center;justify-content:center;border-radius:8px}.mobile-title{display:none;font-size:1rem;font-weight:800}.topbar-link{min-height:34px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid var(--line);border-radius:8px;color:var(--text-secondary);background:var(--bg-card);font-size:.86rem;font-weight:700}.topbar-link:hover{border-color:var(--accent);color:var(--accent-strong)}#theme-toggle{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-secondary)}body.dark .moon-icon,body:not(.dark) .sun-icon{display:none}#progress-container{position:sticky;top:var(--header-height);left:0;z-index:49;width:100%;height:2px;background:transparent}#progress-bar{width:0;height:100%;background:var(--accent);transition:width .1s ease-out}.tool-hero{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;padding:34px 32px 24px;border-bottom:1px solid var(--line);background:var(--bg-main)}.tool-hero-main{max-width:860px}.eyebrow{margin-bottom:8px;color:var(--accent-strong);font-size:.76rem;font-weight:800;text-transform:uppercase}.hero-title{font-size:2rem;line-height:1.2;font-weight:800}.hero-subtitle{max-width:720px;margin-top:8px;color:var(--text-secondary);font-size:.98rem}.hero-stats{display:flex;flex-wrap:wrap;gap:8px}.hero-stat{min-width:104px;display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg-card);box-shadow:var(--shadow)}.hero-stat-label{color:var(--text-muted);font-size:.78rem;font-weight:700}.hero-stat-value{color:var(--text-main);font-size:1rem;font-weight:800}.search-box{width:100%;max-width:760px;min-height:46px;display:flex;align-items:center;gap:10px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:var(--bg-card);box-shadow:var(--shadow)}.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.search-box svg{flex:0 0 auto;color:var(--text-muted)}#search-input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--text-main);font-size:.96rem}#search-input::placeholder{color:var(--text-muted)}.bulletin{display:flex;align-items:center;gap:10px;padding:10px 32px;border-bottom:1px solid var(--line);background:var(--bg-card);color:var(--text-secondary);font-size:.86rem}.bulletin-icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--accent-light);color:var(--accent-strong);font-size:.78rem;font-weight:800}.bulletin-text-container{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}#content-container{padding:26px 32px 44px}.category-section{margin-bottom:34px}.category-title{display:flex;align-items:baseline;gap:8px;margin-bottom:14px;color:var(--text-main);font-size:1.12rem;font-weight:800}.category-title-meta{color:var(--text-muted);font-size:.82rem;font-weight:600}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.card{min-height:156px;display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--bg-card);box-shadow:var(--shadow);transition:border-color .16s,background-color .16s,box-shadow .16s}.card:hover{border-color:color-mix(in srgb,var(--accent) 60%,var(--line));box-shadow:0 6px 18px #0f172a0f}body.dark .card:hover{box-shadow:0 6px 18px #0000002e}.card-header{display:flex;align-items:flex-start;gap:10px;min-width:0}.card-icon{position:relative;width:36px;height:36px;flex:0 0 36px;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:8px;font-size:1rem;font-weight:800}.card-icon img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.card-title-wrap{flex:1;min-width:0}.card-title{display:block;width:fit-content;max-width:100%;overflow:hidden;color:var(--text-main);font-size:.98rem;font-weight:800;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.card-title:hover{color:var(--accent-strong)}.card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:5px;color:var(--text-muted);font-size:.78rem}.tag{display:inline-flex;align-items:center;min-height:20px;padding:0 7px;border:1px solid var(--line);border-radius:999px;background:var(--bg-panel);color:var(--text-secondary);font-weight:700}.card-desc{flex:1;display:-webkit-box;overflow:hidden;color:var(--text-secondary);font-size:.88rem;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2}.card-actions{display:flex;align-items:center;gap:8px;padding-top:2px}.card-action{min-height:30px;display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg-card);color:var(--text-secondary);cursor:pointer;font-size:.82rem;font-weight:800;transition:border-color .16s,background-color .16s,color .16s}.card-action:hover{border-color:var(--accent);color:var(--accent-strong)}.card-action-primary{background:var(--accent);border-color:var(--accent);color:#fff}.card-action-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}.card-copy-btn{margin-left:auto}.empty-state,.loading{padding:52px 20px;border:1px dashed var(--line);border-radius:8px;background:var(--bg-card);color:var(--text-secondary);text-align:center}.empty-state h3{margin-bottom:6px;color:var(--text-main);font-size:1rem}#sidebar-overlay{display:none;position:fixed;inset:0;z-index:90;background:#0f172a5c}.site-footer{margin-left:var(--sidebar-width);padding:28px 32px 38px;border-top:1px solid var(--line);background:var(--bg-card);text-align:left}.footer-content{max-width:900px;color:var(--text-secondary);font-size:.82rem;line-height:1.65}.footer-content p+p{margin-top:10px}.footer-content strong{color:var(--text-main)}.footer-copyright{color:var(--text-muted)}.back-to-top{position:fixed;right:24px;bottom:24px;z-index:99;width:42px;height:42px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--bg-card);color:var(--text-secondary);box-shadow:var(--shadow);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .16s,visibility .16s,transform .16s,color .16s,border-color .16s}.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{border-color:var(--accent);color:var(--accent-strong)}.toast{position:fixed;left:50%;bottom:82px;z-index:1000;padding:10px 14px;border:1px solid var(--line);border-radius:8px;background:var(--text-main);color:var(--bg-main);box-shadow:0 12px 28px #0f172a2e;font-size:.9rem;font-weight:700;opacity:0;visibility:hidden;transform:translate(-50%) translateY(10px);transition:opacity .16s,visibility .16s,transform .16s}.toast.show{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}mark{padding:0 2px;border-radius:3px;background:#fff1a8;color:inherit}body.dark mark{background:#ffd54f59}.avatar-color-0{background:#e7f2ff;color:#1f6fb2}.avatar-color-1{background:#f7ecff;color:#7c3fb3}.avatar-color-2{background:#e8f7ee;color:#237a45}.avatar-color-3{background:#fff3df;color:#a65f00}.avatar-color-4{background:#eef0ff;color:#4e5abe}.avatar-color-5{background:#e5f9f7;color:#08766d}body.dark .avatar-color-0{background:#1f6fb238;color:#9fd0ff}body.dark .avatar-color-1{background:#7c3fb338;color:#d6b5ff}body.dark .avatar-color-2{background:#237a4538;color:#9fe0b8}body.dark .avatar-color-3{background:#a65f0038;color:#ffd391}body.dark .avatar-color-4{background:#4e5abe38;color:#b9c0ff}body.dark .avatar-color-5{background:#08766d38;color:#91e5dd}@media(max-width:1100px){.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}@media(max-width:768px){#sidebar{transform:translate(-100%)}#sidebar.open{transform:translate(0)}#close-sidebar-btn{display:inline-flex}main{margin-left:0}header{padding:0 14px}#menu-btn{display:inline-flex}.mobile-title{display:block}.topbar-link{display:none}.tool-hero{padding:24px 16px 18px;gap:16px}.hero-title{font-size:1.45rem}.hero-subtitle{font-size:.92rem}.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.hero-stat{min-width:0}.search-box{max-width:none}.bulletin{padding:10px 16px}#content-container{padding:20px 16px 34px}.grid{grid-template-columns:1fr}.card{min-height:0}#sidebar-overlay.open{display:block}.site-footer{margin-left:0;padding:24px 16px 32px}.back-to-top{right:16px;bottom:16px}}