/*! 保哥笔记工具站 · 公共 UI 骨架 v1（2026-07-25）
 * 从现有工具页提取，供新工具引用，保证视觉与既有 106 款一致
 */

:root{--bg:#F4EFE6;--surface:#fff;--surface-alt:#FBFAF6;--border:#e2ded8;--text:#1a1816;--text-sec:#5c5650;--text-muted:#9e978f;--accent:#C8362F;--accent-light:rgba(200,54,47,.09);--accent-mid:rgba(200,54,47,.19);--blue:#2e6da4;--green:#2d7a4f;--orange:#c07b1e;--purple:#6e4db8;--teal:#1f7e7e;--red:#c0392b;--radius:16px;--indigo:#4f46e5;--indigo-light:#e0e7ff}
*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:'Noto Sans SC','Inter',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;min-height:100vh;display:flex;flex-direction:column}.mono{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,'Liberation Mono',monospace}
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:18px 32px;display:flex;align-items:center;gap:14px;box-shadow:0 1px 3px rgba(0,0,0,.03)}.logo{width:44px;height:44px;border-radius:13px;background:var(--indigo-light);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--indigo);flex-shrink:0}.header h1{font-size:22px;font-weight:800}.header .sub{font-size:13px;color:var(--text-muted)}
.crumbs{border-bottom:1px solid var(--border);background:var(--surface)}.crumbs-inner{margin:0 auto;padding:10px 32px;font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px}.crumbs a{color:var(--text-muted);text-decoration:none}.crumbs a:hover{color:var(--accent)}.crumbs .sep{opacity:.5}
.container{margin:0 auto;padding:32px;flex:1;width:100%}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;margin-bottom:22px;box-shadow:0 1px 3px rgba(0,0,0,.03)}
.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.tab{background:0;border:1.5px solid var(--border);color:var(--text-sec);border-radius:9px;padding:8px 18px;cursor:pointer;font-size:13px;font-weight:700;transition:all .15s}.tab.active{background:var(--indigo-light);border-color:var(--indigo);color:var(--indigo)}.tab:hover{border-color:var(--indigo)}
textarea{width:100%;background:var(--surface-alt);border:1.5px solid var(--border);border-radius:11px;color:var(--text);padding:14px;font-size:14px;line-height:1.8;resize:vertical;outline:0;font-family:inherit;min-height:250px}textarea:focus{border-color:var(--indigo)}textarea::placeholder{color:var(--text-muted)}
.url-bar{display:flex;gap:10px;background:var(--surface-alt);border:2px solid var(--border);border-radius:12px;padding:4px 6px 4px 16px;margin-bottom:14px}.url-bar:focus-within{border-color:var(--indigo)}.url-bar input{flex:1;border:0;background:0;outline:0;font-size:14px;color:var(--text);padding:10px 0}
.btn{background:var(--indigo);border:0;color:#fff;border-radius:10px;padding:12px 24px;cursor:pointer;font-size:15px;font-weight:700;box-shadow:0 4px 14px rgba(79,70,229,.25);transition:all .2s;font-family:inherit}.btn:hover{opacity:.9;transform:translateY(-1px)}.btn:disabled{opacity:.5}
.btn-outline{background:0;border:1.5px solid var(--border);color:var(--text-sec);border-radius:9px;padding:9px 18px;cursor:pointer;font-size:13px;font-weight:700;transition:all .15s;font-family:inherit}.btn-outline:hover{border-color:var(--indigo);color:var(--indigo)}
.btn-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin:14px 0}
.stat-card{background:var(--surface-alt);border:1.5px solid var(--border);border-radius:10px;padding:14px;text-align:center}.stat-val{font-size:24px;font-weight:800;font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,'Liberation Mono',monospace;color:var(--indigo)}.stat-lbl{font-size:11px;color:var(--text-muted);font-weight:600;margin-top:3px}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite;vertical-align:middle;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease}
.guide{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:36px 32px;margin-top:8px;box-shadow:0 1px 3px rgba(0,0,0,.03)}.guide h2:first-child{font-size:22px;font-weight:800;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--accent-mid);display:flex;align-items:center;gap:10px}.guide h2{font-size:19px;font-weight:800;margin:28px 0 12px;padding:12px 0 8px;border-top:1px solid var(--border)}.guide h3{font-size:15px;font-weight:700;color:var(--accent);margin:18px 0 8px}.guide p{font-size:14.5px;color:var(--text-sec);line-height:1.8;margin-bottom:8px}.guide table{width:100%;border-collapse:collapse;margin:10px 0 16px;font-size:13px}.guide th{background:var(--surface-alt);text-align:left;padding:8px 12px;border:1px solid var(--border);font-weight:700;font-size:12px}.guide td{padding:8px 12px;border:1px solid var(--border);color:var(--text-sec)}
.footer{text-align:center;padding:32px 32px 28px;font-size:13px;color:var(--text-muted);border-top:1px solid var(--border);margin-top:20px}.footer a{color:var(--accent);text-decoration:none;font-weight:700}
@media(max-width:768px){.stat-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.container{padding:8px}.header{padding:12px 10px}.crumbs-inner{padding:8px 10px}.stat-grid{grid-template-columns:repeat(2,1fr)}.btn-row{flex-direction:column}.bench-table{display:block;overflow-x:auto}}

/* patch-2026-07-25 站内交叉链接 */
.xlink-wrap{margin:26px 0 0;padding:0 32px;display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.xlink-box{background:var(--surface,#fff);border:1px solid var(--border,#e2ded8);border-radius:14px;padding:18px 20px}.xlink-t{font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--text-muted,#9e978f);margin-bottom:10px}.xlink-main{display:inline-block;font-size:15.5px;font-weight:700;color:var(--indigo,#4f46e5);text-decoration:none;line-height:1.6}.xlink-main:hover{text-decoration:underline}.xlink-p{font-size:13px;color:var(--text-sec,#5c5650);margin-top:6px;line-height:1.7}.xlink-tools{display:flex;flex-wrap:wrap;gap:8px}.xlink-tools a{font-size:13px;font-weight:600;color:var(--text-sec,#5c5650);text-decoration:none;border:1px solid var(--border,#e2ded8);border-radius:8px;padding:6px 12px;transition:border-color .15s,color .15s}.xlink-tools a:hover,.xlink-tools a:focus-visible{border-color:var(--indigo,#4f46e5);color:var(--indigo,#4f46e5)}.xlink-all{font-size:12.5px;color:var(--text-muted,#9e978f);text-decoration:none;margin-left:2px}.xlink-all:hover{color:var(--indigo,#4f46e5)}@media(max-width:768px){.xlink-wrap{grid-template-columns:1fr;padding:0 10px}}

/* patch-2026-07-25b 版块宽度对齐：容器内的模块不重复吃左右内边距 */
.container > .bg-sd-wrap,.container > .xlink-wrap{padding-left:0;padding-right:0}
@media(max-width:768px){.container > .bg-sd-wrap,.container > .xlink-wrap{padding-left:0;padding-right:0}}
/* 卡片内边距对齐到同一档，避免相邻版块的文字起始位置忽左忽右 */
.container > .bg-sd-wrap .bg-sd-box{padding:24px}
.container > .xlink-wrap .xlink-box{padding:22px 24px}
@media(max-width:640px){.container > .bg-sd-wrap .bg-sd-box,.container > .xlink-wrap .xlink-box,.container > .panel,.container > .guide{padding:20px 16px}}

/* patch-2026-07-25c 说明区列表与正文统一（对齐 64 个老工具的既有写法） */
.guide ul,.guide ol{margin:6px 0 12px 20px;padding-left:0}
.guide li{font-size:14.5px;color:var(--text-sec);line-height:1.8;margin-bottom:4px}
.guide li:last-child{margin-bottom:0}
.guide li>ul,.guide li>ol{margin:4px 0 4px 18px}
.guide li strong,.guide li b{font-weight:700}
.guide li code{background:var(--surface-alt);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:13px;font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Consolas,monospace}
@media(max-width:640px){.guide ul,.guide ol{margin-left:18px}}