:root{--accent: #007bff;--accent-ink: #ffffff;--accent-soft: #e6f2ff;--bg: #f4f5f6;--panel: #ffffff;--panel-2: #fafbfb;--line: #e4e7e9;--line-strong: #d3d8db;--fg: #17191b;--fg-soft: #5c6469;--muted: #6b7278;--danger: #d13438;--ok: #12805c;--code-bg: #fafbfb;--shadow: 0 1px 2px rgba(18, 24, 28, .06), 0 1px 8px rgba(18, 24, 28, .04);--menu-shadow: 0 10px 28px rgba(18, 24, 28, .16);--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;--radius: 8px;color-scheme:light}html[data-mode=dark]{color-scheme:dark;--bg: #141719;--panel: #1b1f22;--panel-2: #171b1e;--line: #2a3034;--line-strong: #3b4349;--fg: #e7eaec;--fg-soft: #a4aeb6;--muted: #8a949c;--danger: #ff7b7b;--ok: #4ec9a5;--code-bg: #171b1e;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 1px 8px rgba(0, 0, 0, .24);--menu-shadow: 0 10px 28px rgba(0, 0, 0, .5);--accent-soft: color-mix(in srgb, var(--accent) 22%, var(--panel))}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--ui);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent)}button{font:inherit;color:inherit}.shell{min-height:100vh;display:flex;flex-direction:column}.app-nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--panel) 92%,transparent);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}.app-nav-row{max-width:1120px;margin:0 auto;padding:0 18px;height:52px;display:flex;align-items:center;gap:18px}.app-brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--fg);font-weight:700;flex:0 0 auto}.brand-mark{display:inline-flex;color:var(--accent)}.app-brand-name{white-space:nowrap}.app-nav-menus{display:flex;align-items:center;gap:2px;flex:1 1 auto;min-width:0;overflow:visible}.app-nav-menus::-webkit-scrollbar{display:none}.app-menu{position:relative;flex:0 0 auto}.app-menu>button{border:0;background:transparent;padding:7px 11px;border-radius:6px;cursor:pointer;white-space:nowrap}.app-menu>button:hover,.app-menu>button.on{background:var(--accent-soft);color:var(--accent)}.app-menu-pop{position:absolute;top:calc(100% + 6px);left:0;min-width:210px;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:var(--menu-shadow);padding:6px;display:flex;flex-direction:column;gap:1px}.app-menu-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:7px;text-decoration:none;color:var(--fg)}.app-menu-item:hover,.app-menu-item.active{background:var(--accent-soft);color:var(--accent)}.app-menu-item span{white-space:nowrap}.app-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}.nav-link{display:inline-flex;align-items:center;gap:5px;color:var(--fg-soft);text-decoration:none;font-size:13px;white-space:nowrap}.nav-link:hover{color:var(--accent)}.settings{display:flex;align-items:center;gap:6px}.mode-toggle,.lang-toggle{display:inline-flex;border:1px solid var(--line-strong);border-radius:7px;overflow:hidden}.mode-toggle button,.lang-toggle button{border:0;background:transparent;padding:5px 8px;cursor:pointer;color:var(--fg-soft);line-height:1}.mode-toggle button.on,.lang-toggle button.on{background:var(--accent);color:var(--accent-ink)}.drawer-toggle{display:none;border:1px solid var(--line-strong);background:transparent;border-radius:7px;padding:6px 8px;cursor:pointer}.app-nav-drawer{border-top:1px solid var(--line);padding:10px 18px 16px;display:flex;flex-direction:column;gap:2px;max-width:1120px;margin:0 auto;width:100%}.drawer-group{margin:10px 4px 4px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.drawer-item{border-radius:7px}.main{flex:1 1 auto;width:100%;max-width:1120px;margin:0 auto;padding:0 18px}.content{padding:22px 0 40px}.content-inner{display:flex;flex-direction:column;gap:18px}.topbar{margin-bottom:14px}.topbar-title{font-size:22px;margin:0 0 6px}.topbar-desc{margin:0;color:var(--fg-soft)}.home{display:flex;flex-direction:column;gap:26px}.hero{text-align:center;padding:30px 0 10px}.hero h1{font-size:34px;margin:0 0 8px}.hero-tagline{font-size:16px;color:var(--fg-soft);margin:0 0 12px}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:5px 14px;font-size:13px;margin:0}.home-group h2{font-size:15px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:0 0 10px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.tool-card{display:flex;gap:12px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;text-decoration:none;color:var(--fg);transition:border-color .12s ease,box-shadow .12s ease}.tool-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.tool-card-icon{flex:0 0 auto;width:34px;height:34px;border-radius:8px;background:var(--accent-soft);color:var(--accent);display:inline-flex;align-items:center;justify-content:center}.tool-card-body{display:flex;flex-direction:column;gap:3px;min-width:0}.tool-card-name{font-weight:600}.tool-card-desc{font-size:12.5px;color:var(--fg-soft);line-height:1.45}.dev-tool{display:flex;flex-direction:column;gap:12px}.tool-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px}.tool-bar.wrap{flex-wrap:wrap}.tool-bar-spacer{flex:1 1 auto}.tool-count{color:var(--muted);font-size:12.5px;white-space:nowrap}.segmented{display:inline-flex;border:1px solid var(--line-strong);border-radius:7px;overflow:hidden;flex:0 0 auto}.segmented button{border:0;background:transparent;padding:6px 12px;cursor:pointer;color:var(--fg-soft);white-space:nowrap}.segmented button.on{background:var(--accent);color:var(--accent-ink)}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-strong);background:var(--panel);color:var(--fg);border-radius:7px;padding:6px 12px;cursor:pointer;white-space:nowrap;flex:0 0 auto}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn:disabled{opacity:.5;cursor:default}.btn:disabled:hover{border-color:var(--line-strong);color:var(--fg)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{color:var(--accent-ink);opacity:.92}.check{display:inline-flex;align-items:center;gap:6px;font-size:13px;white-space:nowrap;cursor:pointer;flex:0 0 auto}.inline-field{display:inline-flex;align-items:center;gap:7px;font-size:13px;white-space:nowrap}.inline-field span{color:var(--fg-soft)}.text-input,.pane textarea{border:1px solid var(--line-strong);border-radius:7px;background:var(--panel-2);color:var(--fg);padding:8px 10px;font:inherit;width:100%;outline:none}.text-input:focus,.pane textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.mono,.pane textarea.mono,textarea.mono{font-family:var(--mono);font-size:12.5px}.io-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pane{display:flex;flex-direction:column;gap:6px;min-width:0}.pane>span{font-size:12.5px;color:var(--muted)}.pane textarea{resize:vertical;min-height:230px;line-height:1.55}.pane textarea.is-error{border-color:var(--danger)}.tool-hint{color:var(--fg-soft);font-size:12.5px;margin:0}.tool-error{color:var(--danger);font-size:13px;margin:0}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:flex;flex-direction:column;gap:10px;min-width:0}.card h2{margin:0;font-size:14px}.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0}.kv dt{color:var(--muted);font-size:12.5px}.kv dd{margin:0;min-width:0;overflow-wrap:anywhere}.mono-row{display:flex;align-items:center;gap:8px}.mono-row code{font-family:var(--mono);font-size:12.5px}.mono-row .btn{padding:3px 8px}.result-list,.json-block,.diff-output{background:var(--code-bg);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-family:var(--mono);font-size:12.5px;line-height:1.7;overflow:auto;margin:0;white-space:pre-wrap;word-break:break-word}.result-list{max-height:420px}.chip{border:1px solid var(--line-strong);background:var(--panel);color:var(--fg-soft);border-radius:999px;padding:3px 10px;font-family:var(--mono);font-size:12px;cursor:pointer;white-space:nowrap;flex:0 0 auto}.chip:hover,.chip.on{border-color:var(--accent);color:var(--accent)}.presets,.flag-group{display:inline-flex;gap:6px;flex-wrap:wrap}.cron-input,.regex-input{flex:1 1 200px;min-width:0;font-size:14px}.cron-desc{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}.cron-desc li{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap}.cron-field-name{color:var(--muted);min-width:86px;font-size:12.5px}.cron-runs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.cron-runs li{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.cron-runs code{font-family:var(--mono);font-size:12px;color:var(--fg-soft)}.match-list{display:flex;flex-direction:column;gap:6px}.match-item{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;background:var(--code-bg);border:1px solid var(--line);border-radius:8px;padding:7px 11px}.match-text{font-family:var(--mono);font-size:12.5px;color:var(--accent)}.match-groups{font-size:12px;color:var(--fg-soft);font-family:var(--mono)}.diff-grid textarea{min-height:200px}.diff-stat{font-family:var(--mono);font-size:12.5px}.diff-stat.is-add{color:var(--ok)}.diff-stat.is-del{color:var(--danger)}.diff-output{padding:0;max-height:440px;overflow:auto;white-space:pre}.diff-line{display:flex;gap:8px;padding:0 12px;min-height:1.6em}.diff-line.is-added{background:color-mix(in srgb,var(--ok) 12%,transparent)}.diff-line.is-removed{background:color-mix(in srgb,var(--danger) 12%,transparent)}.diff-mark{user-select:none;width:12px;flex:0 0 auto}.diff-line.is-added .diff-mark{color:var(--ok)}.diff-line.is-removed .diff-mark{color:var(--danger)}.jwt-grid{align-items:start}.json-block{max-height:300px}.jwt-dates{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--fg-soft)}.jwt-ok{color:var(--ok)}.jwt-bad{color:var(--danger)}.jwt-verify{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.jwt-verify .text-input{width:260px}.ts-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.color-grid{display:grid;grid-template-columns:180px 1fr 1fr;gap:14px;align-items:start}.color-swatch{width:100%;aspect-ratio:1;border-radius:12px;border:1px solid var(--line)}.color-controls,.color-css{display:flex;flex-direction:column;gap:10px;min-width:0}.color-values{display:flex;flex-direction:column;gap:8px}.slider-row{display:grid;grid-template-columns:22px 1fr 40px;gap:8px;align-items:center}.slider-row code{font-family:var(--mono);font-size:12px;text-align:right}.inline-field input[type=color]{width:38px;height:32px;padding:2px;border:1px solid var(--line-strong);border-radius:7px;background:var(--panel-2)}.site-footer{margin-top:34px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px;text-align:center}.tool-seo{margin-top:26px}.tool-seo-intro{color:var(--fg-soft);font-size:13px;margin:0 0 8px}.tool-seo-details summary{cursor:pointer;color:var(--muted);font-size:13px}.tool-seo-body{margin-top:12px;display:flex;flex-direction:column;gap:16px;color:var(--fg-soft)}.tool-seo-body h2{font-size:14px;color:var(--fg);margin:0 0 6px}.tool-seo-features,.tool-seo-steps{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}.tool-seo-faq details{border:1px solid var(--line);border-radius:8px;padding:8px 12px;margin-bottom:8px}.tool-seo-faq summary{cursor:pointer;color:var(--fg)}.tool-seo-faq p{margin:8px 0 0;font-size:13px}.tool-skeleton{display:flex;flex-direction:column;gap:10px}.tool-skeleton-bar,.tool-skeleton-block{border-radius:8px;background:linear-gradient(90deg,var(--panel-2),var(--line),var(--panel-2));background-size:200% 100%;animation:shimmer 1.2s infinite linear}.tool-skeleton-bar{height:38px}.tool-skeleton-block{height:220px}@keyframes shimmer{to{background-position:-200% 0}}.pdf-tool{display:flex;flex-direction:column;gap:14px}.pdf-dropzone{border:1.5px dashed var(--line-strong);border-radius:12px;padding:34px 18px;text-align:center;color:var(--fg-soft);background:var(--panel-2);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:8px;transition:border-color .15s,background .15s}.pdf-dropzone:hover,.pdf-dropzone.dragging{border-color:var(--accent);background:var(--accent-soft)}.pdf-dropzone svg{color:var(--accent)}.pdf-dropzone p{margin:0;font-size:13.5px}.pdf-file-list{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;list-style:none}.pdf-file-item{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:var(--panel-2);min-width:0}.pdf-file-grip{color:var(--muted);flex:0 0 auto;display:inline-flex}.pdf-file-icon{color:var(--accent);flex:0 0 auto;display:inline-flex}.pdf-file-name{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13.5px}.pdf-file-meta{display:flex;align-items:center;gap:8px;flex:0 0 auto;font-size:12px;color:var(--muted);white-space:nowrap}.pdf-file-meta .badge{border:1px solid var(--line-strong);border-radius:999px;padding:1px 8px;color:var(--fg-soft);white-space:nowrap}.pdf-file-actions{display:flex;align-items:center;gap:2px;flex:0 0 auto}.pdf-icon-btn{border:0;background:transparent;color:var(--fg-soft);width:30px;height:30px;border-radius:7px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.pdf-icon-btn:hover:not(:disabled){background:var(--accent-soft);color:var(--accent)}.pdf-icon-btn.danger:hover:not(:disabled){background:color-mix(in srgb,var(--danger) 14%,transparent);color:var(--danger)}.pdf-icon-btn:disabled{opacity:.35;cursor:default}.pdf-form-stack{display:flex;flex-direction:column;gap:14px}.pdf-controls{display:flex;gap:16px;flex-wrap:wrap;align-items:center}.pdf-pages-card{display:flex;flex-direction:column;gap:12px}.pdf-pages-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.pdf-thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.pdf-thumb{position:relative;border:1px solid var(--line);border-radius:10px;background:var(--panel-2);padding:8px;display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0}.pdf-thumb img{max-width:100%;max-height:190px;border-radius:4px;box-shadow:0 1px 4px #0000002e;background:#fff}.pdf-thumb-no{position:absolute;top:4px;left:4px;z-index:1;background:#0000009e;color:#fff;font-size:11px;line-height:1;padding:3px 7px;border-radius:999px}.pdf-thumb-actions{display:flex;gap:2px;flex-wrap:wrap;justify-content:center}.pdf-wm-layout{display:grid;grid-template-columns:minmax(0,320px) 1fr;gap:18px;align-items:start}.pdf-wm-preview{display:flex;justify-content:center}.pdf-wm-page{position:relative;width:100%;max-width:300px;aspect-ratio:1 / 1.414;background-color:var(--panel);background-size:contain;background-repeat:no-repeat;background-position:center;border:1px solid var(--line);border-radius:6px;overflow:hidden}.pdf-wm-label{position:absolute;color:#777;font-weight:600;white-space:nowrap;pointer-events:none}.pdf-wm-label.pos-TL{top:6%;left:6%}.pdf-wm-label.pos-TC{top:6%;left:50%;transform:translate(-50%)}.pdf-wm-label.pos-TR{top:6%;right:6%}.pdf-wm-label.pos-ML{top:50%;left:6%;transform:translateY(-50%)}.pdf-wm-label.pos-MC{top:50%;left:50%;transform:translate(-50%,-50%)}.pdf-wm-label.pos-MR{top:50%;right:6%;transform:translateY(-50%)}.pdf-wm-label.pos-BL{bottom:6%;left:6%}.pdf-wm-label.pos-BC{bottom:6%;left:50%;transform:translate(-50%)}.pdf-wm-label.pos-BR{bottom:6%;right:6%}.pdf-wm-label.diagonal{transform:translate(-50%,-50%) rotate(-45deg)}.pdf-wm-controls{display:flex;flex-direction:column;gap:12px;min-width:0}.pdf-slider{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--muted)}.pdf-slider input[type=range]{width:100%;max-width:280px}.pdf-pos-grid{display:grid;grid-template-columns:repeat(3,34px);gap:6px}.pdf-pos-grid button{width:34px;height:34px;border:1px solid var(--line-strong);border-radius:8px;background:var(--panel-2);cursor:pointer;position:relative}.pdf-pos-grid button:after{content:"";width:8px;height:8px;border-radius:50%;background:var(--muted);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.pdf-pos-grid button.on{border-color:var(--accent)}.pdf-pos-grid button.on:after{background:var(--accent)}@media (max-width: 860px){.io-grid,.ts-grid,.color-grid{grid-template-columns:1fr}.color-swatch{aspect-ratio:21/9}.pdf-wm-layout{grid-template-columns:1fr}.pdf-wm-preview{order:-1}}@media (max-width: 720px){.app-nav-menus,.app-nav-right .nav-link{display:none}.drawer-toggle{display:inline-flex}.content{padding:16px 14px 32px}.tool-grid{grid-template-columns:1fr}.hero h1{font-size:27px}.pdf-thumb-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.pdf-controls .segmented,.pdf-controls .segmented button{flex:0 0 auto}.pdf-file-meta{overflow-x:auto;scrollbar-width:none}.tool-bar .btn{flex:0 0 auto;white-space:nowrap}}.diff-placeholder{border:1px dashed var(--line-strong);border-radius:8px;padding:28px 16px;text-align:center}
