:root{--bg: #fbfbfc;--surface: #ffffff;--surface-2: #f6f7f9;--field: #fbfbfc;--border: #ececef;--border-strong: #e4e6eb;--border-field: #e9eaee;--text-1: #17181c;--text-2: #5c6068;--text-3: #71767e;--text-4: #8a8f98;--text-5: #a0a5ad;--accent: #2f5bff;--accent-soft: #eef2ff;--ok: #16a34a;--radius-card: 16px;--radius-card-sm: 14px;--radius-input: 10px;--radius-chip: 8px;--max: 1120px;--shadow-sm: 0 1px 2px rgba(13, 18, 33, .05);--shadow-lift: 0 8px 24px rgba(13, 18, 33, .07);--font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;color-scheme:light}[data-theme=dark]{--bg: #0b0c0e;--surface: #131418;--surface-2: #181a1f;--field: #101115;--border: #24262b;--border-strong: #2c2f35;--border-field: #24262b;--text-1: #f2f3f5;--text-2: #a9aeb6;--text-3: #9298a1;--text-4: #787e87;--text-5: #62686f;--accent: #6e8cff;--accent-soft: #1a2036;--ok: #34d399;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-lift: 0 8px 24px rgba(0, 0, 0, .45);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text-1);font-family:var(--font-sans);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none}::selection{background:var(--accent);color:#fff}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}.shell{min-height:100%;display:flex;flex-direction:column}.main{flex:1}.mono{font-family:var(--font-mono);font-variant-ligatures:none}.nav{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--surface) 88%,transparent);-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}.nav__inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}.nav__left{display:flex;align-items:center;gap:32px;min-width:0}.brand{display:flex;align-items:center;gap:10px;flex:none}.brand__name{font-size:17px;font-weight:600;letter-spacing:-.01em}.nav__links{display:flex;align-items:center;gap:28px}.nav__link{font-size:14px;color:var(--text-2);transition:color .15s}.nav__link:hover,.nav__link[data-active=true]{color:var(--text-1)}.nav__right{display:flex;align-items:center;gap:12px;flex:none}.kbd{display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 8px;border-radius:6px;border:1px solid var(--border-field);background:var(--surface-2);color:var(--text-4);font-family:var(--font-mono);font-size:11px;line-height:1;white-space:nowrap}.icon-btn{width:32px;height:32px;display:grid;place-items:center;border-radius:8px;background:var(--surface-2);color:var(--text-2);transition:background .15s,color .15s}.icon-btn:hover{background:var(--border);color:var(--text-1)}.hero{padding:76px 0 64px;text-align:center}.pill{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:100px;border:1px solid var(--border-field);background:var(--surface);color:var(--text-2);font-size:12px}.dot{width:6px;height:6px;border-radius:50%;background:var(--ok);flex:none}.hero__title{margin:18px 0 0;font-size:40px;line-height:1.4;font-weight:600;letter-spacing:-.02em}.hero__sub{margin:12px auto 0;max-width:700px;color:var(--text-2);font-size:15px;line-height:26px}.search{position:relative;margin:26px auto 0;width:100%;max-width:600px}.search__box{display:flex;align-items:center;gap:12px;height:56px;padding:0 16px 0 18px;border-radius:14px;border:1px solid var(--border-strong);background:var(--surface);box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s}.search__box:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent)}.search__input{flex:1;min-width:0;border:0;outline:0;background:none;font-size:15px}.search__input::placeholder{color:var(--text-5)}.quick{margin:14px auto 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}.quick__label{font-size:12px;color:var(--text-5)}.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-chip);border:1px solid var(--border-field);background:var(--surface);color:var(--text-2);font-size:12px;transition:border-color .15s,color .15s}.chip:hover{border-color:var(--border-strong);color:var(--text-1)}.section{padding:28px 0}.section--tight{padding:26px 0 36px}.section__head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.section__title{margin:0;font-size:18px;font-weight:600;letter-spacing:-.01em}.section__meta{font-size:13px;color:var(--text-4)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.card{display:flex;flex-direction:column;gap:14px;min-height:168px;padding:20px;border-radius:var(--radius-card-sm);border:1px solid var(--border);background:var(--surface);transition:border-color .18s,box-shadow .18s,transform .18s}.card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-lift);transform:translateY(-2px)}.card__icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex:none}.card__body{display:flex;flex-direction:column;gap:6px}.card__title-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.card__title{font-size:15px;font-weight:500;color:var(--text-1)}.card__desc{font-size:12px;line-height:20px;color:var(--text-3);min-height:40px}.tag{flex:none;padding:2px 6px;border-radius:5px;background:var(--surface-2);color:var(--text-4);font-size:10px;line-height:1.6}.tint-blue{background:#eef2ff;color:#2f5bff}.tint-purple{background:#f3efff;color:#7550e8}.tint-orange{background:#fef1e7;color:#e0662a}.tint-green{background:#e9f9f1;color:#12a150}[data-theme=dark] .tint-blue{background:#16203c;color:#7d97ff}[data-theme=dark] .tint-purple{background:#211a3a;color:#a48bff}[data-theme=dark] .tint-orange{background:#2c1d13;color:#f08a54}[data-theme=dark] .tint-green{background:#10241b;color:#4ade80}.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}.cols__title{margin:0 0 10px;font-size:12px;font-weight:500;color:var(--text-5)}.cols__list{display:flex;flex-direction:column}.cols__item{padding:4px 0;font-size:13px;line-height:28px;color:var(--text-2);transition:color .15s}.cols__item:hover{color:var(--accent)}.empty{padding:48px 0;text-align:center;color:var(--text-4);font-size:13px}.footer{border-top:1px solid var(--border);margin-top:8px}.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 30px;color:var(--text-5);font-size:12px}.tool-page{padding:26px 0 40px}.crumb{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-4)}.crumb a:hover{color:var(--text-1)}.crumb__current{color:var(--text-2)}.tool-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:16px 0 20px}.tool-head__title{margin:0;font-size:26px;font-weight:600;letter-spacing:-.02em}.tool-head__desc{margin:8px 0 0;font-size:13px;line-height:22px;color:var(--text-3)}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:24px;align-items:start}.panel{display:flex;flex-direction:column;gap:22px;padding:24px;border-radius:var(--radius-card);border:1px solid var(--border);background:var(--surface)}.group{display:flex;flex-direction:column;gap:8px}.group__head{display:flex;align-items:center;justify-content:space-between;gap:8px}.label{font-size:12px;font-weight:500;color:var(--text-2)}.hint{font-size:11px;color:var(--text-5)}.field{width:100%;min-height:104px;padding:12px 14px;border-radius:var(--radius-input);border:1px solid var(--border-field);background:var(--field);font-family:var(--font-mono);font-size:13px;line-height:22px;color:var(--text-1);resize:vertical;transition:border-color .15s,box-shadow .15s}.field:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent)}.field::placeholder{color:var(--text-5)}.field--sm{min-height:0;height:44px;padding:0 14px}.rows{display:flex;flex-direction:column;gap:8px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.row__label{font-size:12.5px;color:var(--text-2)}.row__value{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;border-radius:var(--radius-chip);border:1px solid var(--border-field);background:var(--field);color:var(--text-1);font-family:var(--font-mono);font-size:12px}select.row__value{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:26px;background-image:linear-gradient(45deg,transparent 50%,var(--text-4) 50%),linear-gradient(135deg,var(--text-4) 50%,transparent 50%);background-position:calc(100% - 14px) 13px,calc(100% - 9px) 13px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;cursor:pointer}.actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--radius-input);font-size:13px;font-weight:500;transition:filter .15s,border-color .15s,background .15s}.btn--primary{background:var(--accent);color:#fff}.btn--primary:hover{filter:brightness(1.06)}.btn--ghost{border:1px solid var(--border-strong);background:var(--surface);color:var(--text-2);font-weight:400}.btn--ghost:hover{border-color:var(--text-5);color:var(--text-1)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-group{display:flex;align-items:center;gap:10px}.preview__canvas{display:grid;place-items:center;height:296px;border-radius:12px;background:var(--surface-2)}.preview__card{padding:20px;border-radius:10px;background:#fff;box-shadow:0 4px 16px #171b2914;line-height:0}.preview__card img{display:block;width:168px;height:168px;image-rendering:pixelated}.preview__caption{text-align:center;font-family:var(--font-mono);font-size:11px;color:var(--text-4)}.divider{height:1px;background:var(--border);margin:2px 0}.kv{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--text-4)}.kv__value{font-family:var(--font-mono);color:var(--text-2)}.note{font-size:11px;line-height:18px;color:var(--text-5)}.alert{padding:10px 12px;border-radius:var(--radius-chip);font-size:12px;line-height:20px;border:1px solid color-mix(in srgb,#e5484d 40%,var(--border));background:color-mix(in srgb,#e5484d 8%,var(--surface));color:color-mix(in srgb,#e5484d 82%,var(--text-1))}.alert--ok{border-color:color-mix(in srgb,var(--ok) 40%,var(--border));background:color-mix(in srgb,var(--ok) 8%,var(--surface));color:color-mix(in srgb,var(--ok) 75%,var(--text-1))}.related{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:20px}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,12px);z-index:90;display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;border:1px solid var(--border-strong);background:var(--surface);box-shadow:var(--shadow-lift);font-size:13px;color:var(--text-1);opacity:0;animation:toast-in .2s ease forwards}@keyframes toast-in{to{opacity:1;transform:translate(-50%)}}.btn--xs{height:28px;padding:0 10px;font-size:12px}.upload{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:var(--radius-input);border:1px dashed var(--border-strong);background:var(--surface-2);color:var(--text-3);font-size:12px;text-align:left;transition:border-color .15s,background .15s}.upload:hover{border-color:var(--accent);background:var(--field)}.upload--filled{border-style:solid;border-color:var(--border-field);background:var(--field)}.upload__plus{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--border-field);color:var(--text-4);font-size:15px;line-height:1;flex:none}.upload__thumb{width:30px;height:30px;border-radius:7px;object-fit:cover;border:1px solid var(--border-field);background:#fff;flex:none}.upload__meta{display:flex;flex-direction:column;gap:1px;min-width:0;flex:1}.upload__name{font-size:12.5px;color:var(--text-1)}.upload__ops{display:flex;gap:6px;flex:none}.result{display:flex;flex-direction:column;gap:6px;padding:12px 14px;border-radius:var(--radius-input);border:1px solid color-mix(in srgb,var(--accent) 22%,var(--border));background:var(--accent-soft)}.result__row{display:flex;align-items:center;justify-content:space-between;gap:10px}.result__body{display:flex;align-items:center;gap:12px}.result__qr{width:84px;height:84px;flex:none;padding:6px;border-radius:8px;border:1px solid var(--border-field);background:#fff;line-height:0;transition:border-color .15s}.result__qr:hover{border-color:var(--accent)}.result__qr img{width:100%;height:100%;display:block;image-rendering:pixelated}.result__info{display:flex;flex-direction:column;gap:4px;min-width:0}.result__long{word-break:break-all}.result__short{font-size:15px;color:var(--accent);word-break:break-all}.link-list{display:flex;flex-direction:column}.link-row{display:flex;align-items:center;gap:10px;padding:9px 2px;border-bottom:1px solid var(--border);font-size:12px}.link-row:last-child{border-bottom:0}.link-row[data-active=true]{background:color-mix(in srgb,var(--accent) 6%,transparent)}.code-chip{flex:none;padding:2px 7px;border-radius:5px;background:var(--surface-2);color:var(--text-2);font-size:11px}.link-row__url{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-3)}.link-row__hits{flex:none;width:34px;text-align:right;color:var(--text-2)}.link-row__ops{display:flex;gap:10px;flex:none}.link-row__ops button{font-size:11px;color:var(--text-4)}.link-row__ops button:hover{color:var(--accent)}.click-list{display:flex;flex-direction:column;gap:4px;max-height:180px;overflow:auto}.click-row{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--text-4)}.click-row__meta{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:1060px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-layout{grid-template-columns:minmax(0,1fr)}}@media(max-width:820px){.nav__links{display:none}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.hero{padding:52px 0 40px}.hero__title{font-size:30px}.tool-head{align-items:flex-start;flex-direction:column}}@media(max-width:560px){.grid,.cols{grid-template-columns:minmax(0,1fr)}.hero__title{font-size:26px}.footer__inner{flex-direction:column;align-items:flex-start;gap:6px}}