:root{color:#2c4035;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--green:#287e63;background:#fafbf8;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-size:14px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0}button,input,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit;background:0 0;border:0}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}button:focus-visible,a:focus-visible{outline-offset:4px;outline:3px solid #77ad8c}header{border-bottom:1px solid #e6e9e1;justify-content:space-between;align-items:center;max-width:1280px;height:92px;margin:auto;padding:0 44px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand strong{font-size:21px}.brand>span:last-child{letter-spacing:1px;font-size:14px}.logo{color:#fff;background:#287e63;border-radius:10px;place-items:center;width:37px;height:37px;font:600 19px monospace;display:grid}.slash{color:#c5cbbf;margin:0 3px;font-size:21px}nav{color:#7c8578;align-items:center;gap:33px;height:100%;font-size:12px;display:flex}nav>a,nav>button{align-items:center;height:100%;padding:0;display:flex;position:relative}.current{color:var(--green);font-weight:600}.current:after{content:"";background:var(--green);border-radius:3px;height:3px;position:absolute;bottom:20px;left:5px;right:5px}.header-note{color:#8a9383;align-items:center;gap:9px;font-size:10px;display:flex}.header-note>span{margin-left:6px;font-size:21px}.dot{background:#7ba582;border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}main{max-width:1104px;margin:auto}.hero{grid-template-columns:1.14fr 1fr;align-items:center;gap:25px;min-height:450px;padding:54px 0 46px;display:grid}.eyebrow{letter-spacing:2px;color:#7c947b;align-items:center;gap:8px;margin-bottom:22px;font-size:9px;font-weight:600;display:flex}h1{letter-spacing:-1.4px;font-size:41px;font-weight:700;line-height:1.58}.highlight{color:var(--green);white-space:nowrap;position:relative}.highlight:after{content:"";border-top:3px solid #acd1b1;border-radius:50%;height:8px;position:absolute;bottom:-6px;left:0;right:0;transform:rotate(-2deg)}.hero-copy>p{color:#8a9185;margin-top:21px;font-size:12px;line-height:2.1}.actions{gap:12px;margin-top:25px;display:flex}.button{border-radius:6px;justify-content:center;align-items:center;gap:11px;padding:12px 17px;font-size:12px;font-weight:500;transition:all .2s;display:inline-flex}.button>span{font-size:16px}.primary{background:var(--green);color:#fff;border:1px solid var(--green);box-shadow:0 3px 6px #2247350d}.primary:hover{background:#1c644d;transform:translateY(-1px)}.secondary{background:#fff;border:1px solid #dfe5d8}.secondary:hover{background:#f0f5ed}.hero-meta{color:#8b9984;gap:23px;margin-top:24px;font-size:10px;display:flex}.hero-art{background:radial-gradient(#e6efe0aa,#0000 68%);justify-content:center;align-items:center;height:325px;display:flex;position:relative}.orbit{border:1px dashed #dce5d5;border-radius:50%;position:absolute}.one{width:350px;height:300px;transform:rotate(-22deg)}.two{width:430px;height:208px;transform:rotate(-29deg)}.code-window{z-index:1;color:#dfebd9;background:#283c33;border:1px solid #3b5144;border-radius:10px;width:360px;font:11px ui-monospace,Consolas,monospace;position:relative;overflow:hidden;transform:rotate(-3deg);box-shadow:0 25px 35px -18px #314c4366}.window-bar{color:#8fa597;border-bottom:1px solid #ffffff10;justify-content:space-between;align-items:center;padding:13px 14px;font-size:9px;display:flex}.traffic{gap:5px;display:flex}.traffic i{background:#e3a596;border-radius:50%;width:7px;height:7px}.traffic i:nth-child(2){background:#e2c17b}.traffic i:nth-child(3){background:#97bf91}.code{white-space:pre;padding:14px 0;line-height:2}.code em{text-align:center;color:#657f6d;width:36px;margin-right:7px;font-size:10px;font-style:normal;display:inline-block}.muted{color:#8da08d}.violet{color:#c4a6d7}.yellow{color:#d9c78e}.mint{color:#aed0a1}.cursor{vertical-align:middle;background:#a9c59b;width:5px;height:13px;margin-left:3px;display:inline-block}.window-footer{color:#8fa68f;border-top:1px solid #ffffff10;justify-content:space-between;padding:9px 14px;font-size:8px;display:flex}.float{z-index:2;background:#fffefa;border:1px solid #e4e7da;border-radius:8px;align-items:center;display:flex;position:absolute;box-shadow:0 8px 24px #4053390d}.java{gap:9px;padding:10px 15px;font-size:22px;top:3px;right:10px;transform:rotate(6deg)}.java span{font:11px monospace}.made{gap:11px;padding:12px 15px;font-size:11px;font-weight:600;bottom:-2px;left:2px;transform:rotate(2deg)}.made>b{color:#9bac6a;background:#edf2dc;border-radius:7px;place-items:center;width:32px;height:35px;font-size:28px;display:grid}.made small{color:#959e88;margin-top:5px;font-size:9px;font-weight:400;display:block}.made>span{color:#acba8f;margin-left:10px;font-size:26px}.spark{color:#aab89a;font-size:22px;position:absolute}.s1{top:0;left:30px}.s2{bottom:48px;right:0}.blog-banner{background:#f0f3e7;border:1px solid #e4e9d9;border-radius:10px;align-items:center;gap:19px;padding:23px 26px;display:flex}.book-icon{color:#849462;background:#e4eacb;border-radius:9px;place-items:center;width:46px;height:46px;font-size:29px;display:grid}.blog-banner h2{font-size:15px;font-weight:600}.blog-banner h2>span{letter-spacing:1.5px;color:#8e9b75;vertical-align:middle;border:1px solid #d9e0c8;border-radius:4px;margin-left:15px;padding:3px 6px;font-size:8px;font-weight:400}.blog-banner p{color:#8b957f;margin-top:9px;font-size:11px}.blog-banner>a,.blog-banner>button{color:#778b61;white-space:nowrap;margin-left:auto;font-size:11px}.blog-banner button span{margin-left:16px}#tools{padding-top:52px}.section-heading{justify-content:space-between;align-items:center;display:flex}.section-heading .eyebrow{margin-bottom:11px;font-size:9px}.section-heading h2{letter-spacing:-.5px;font-size:24px;font-weight:600}.section-heading h2 span{color:#89967d}.section-heading p{color:#969e8f;margin-top:12px;font-size:11px}.search{color:#a0a895;background:#fff;border:1px solid #e0e5d9;border-radius:6px;align-items:center;gap:10px;width:285px;margin-top:16px;padding:11px 12px;display:flex}.search svg{flex-shrink:0;width:17px;height:17px}.search input{color:#52614b;background:0 0;border:0;outline:0;width:100%;min-width:0;font-size:11px}.search input::placeholder{color:#a4ab9d}.search>span{border:1px solid #e9ece3;border-radius:3px;padding:0 4px;font-size:12px}.search:focus-within{border-color:#8bb596;box-shadow:0 0 0 3px #8bb59614}.filter-row{justify-content:space-between;align-items:center;margin:27px 0 21px;display:flex}.filters{gap:7px;display:flex}.filters button{color:#949b8c;border-radius:6px;align-items:center;gap:7px;padding:9px 13px;font-size:11px;display:flex}.filters button:hover{background:#f0f4e9}.filters button.selected{color:#647e51;background:#e8eee0;font-weight:500}.filters button>span{font-size:14px}.filters small{background:#dbe5d0;border-radius:4px;padding:1px 5px;font-size:9px}.tools-count{color:#a6ad9e;font-size:10px}.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;display:grid}.card{text-align:left;background:#fff;border:1px solid #e5e9dd;border-radius:9px;flex-direction:column;min-height:213px;padding:21px 22px 0;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex}.card:hover{border-color:#b6c9ab;transform:translateY(-4px);box-shadow:0 12px 24px #354c370a}.card-top{justify-content:space-between;align-items:center;width:100%;margin-bottom:16px;display:flex}.tool-icon{border-radius:10px;place-items:center;width:39px;height:39px;font:23px ui-monospace,monospace;display:grid}.green{color:#7a9d78;background:#eaf3e7}.blue{color:#7b9cbb;background:#eaf1f8}.purple{color:#a18bbd;background:#f0ebf8}.amber{color:#c5a669;background:#fbf4e6}.rose{color:#c68e96;background:#faeeee}.badge{color:#94a37d;background:#f5f7ef;border:1px solid #e7edda;border-radius:4px;padding:2px 6px;font-size:9px}.badge.hot{color:#c6a577;background:#fbf6ec;border-color:#f2e8d6}.corner{color:#c7cebf;font-size:17px}.card h3{margin-bottom:10px;font-size:14px;font-weight:600}.card p{color:#969e90;max-width:280px;margin-bottom:18px;font-size:11px;line-height:1.95}.card-bottom{color:#a6ae9d;border-top:1px solid #f0f2eb;justify-content:space-between;width:100%;margin-top:auto;padding:12px 0;font-size:9px;display:flex}.card-bottom>span:last-child{color:#899d79}.bottom-note{background:#f6f8f0;border:1px dashed #dce4d0;border-radius:9px;align-items:center;gap:18px;margin:31px 0 44px;padding:20px 24px;display:flex}.note-spark{color:#a5b389;font-size:38px}.bottom-note h3{color:#7a8b66;font-size:12px;font-weight:500}.bottom-note p{color:#a0a890;margin-top:7px;font-size:10px}.bottom-note>a{color:#879975;white-space:nowrap;margin-left:auto;font-size:10px}footer{color:#a4ac9a;border-top:1px solid #e6e9df;align-items:center;gap:18px;max-width:1192px;margin:auto;padding:26px 0 30px;font-size:9px;display:flex}.footer-brand{color:#7f9072;align-items:center;gap:9px;font-size:11px;display:flex}.footer-brand b{color:#749266;font:18px monospace}.footer-brand span{color:#a5ad99;margin-left:12px;font-size:9px}footer>span{margin-left:auto}.back-top{border:1px solid #e3e7dc;border-radius:5px;place-items:center;width:26px;height:26px;display:grid}.empty{text-align:center;color:#829177;padding:45px}.empty p{margin:12px 0 20px}dialog{color:#314831;border:1px solid #dfe7d7;border-radius:14px;width:min(580px,100% - 32px);max-height:85vh;padding:0;box-shadow:0 20px 90px #14271944}dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#19322766}.modal{padding:26px}.modal-head{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-head h2{font-size:20px}.modal-head button{color:#8e9e83;font-size:28px;line-height:1}.privacy{color:#819575;margin-bottom:22px;font-size:11px}.field{flex-direction:column;gap:10px;font-size:12px;display:flex}textarea,.field input{color:#3e5738;resize:vertical;background:#fafcf7;border:1px solid #dce4d3;border-radius:7px;outline:none;width:100%;padding:12px;line-height:1.7}textarea:focus,.field input:focus{border-color:#87ad7c}.result{margin-top:22px}.result-label{justify-content:space-between;margin-bottom:10px;font-size:12px;display:flex}.result-label button{color:var(--green);font-size:11px}.result textarea{font:12px/1.8 ui-monospace,monospace}.result img{border-radius:7px;max-width:100%;max-height:300px;margin:0 auto 15px;display:block}.error{color:#b05047;overflow-wrap:anywhere;background:#fdf1ed;border-radius:6px;margin-top:17px;padding:12px;font-size:12px}.info{color:#819276;font-size:14px;line-height:2}.upload{color:#879b76;border:1px dashed #b9ceab;border-radius:9px;flex-direction:column;align-items:center;gap:15px;padding:25px;display:flex}.upload span{font-size:11px}.upload input{max-width:100%;font-size:12px}@media (width>=1440px){main{max-width:1140px}.hero{min-height:470px}.card{min-height:221px}.grid{gap:20px}}@media (width<=1200px){main{margin:0 5%}header{padding:0 5%}footer{margin:0 5%}h1{font-size:36px}.hero{gap:12px}.code-window{width:330px}.two{width:365px}.hero-art{transform:scale(.94)}.tools-count{display:none}}@media (width<=900px){.header-note{display:none}h1{font-size:29px}.hero-art{margin-left:-25px;margin-right:-20px;transform:scale(.8)}.actions{gap:8px}.hero .button{padding:11px;font-size:10px}.hero-meta{gap:16px}.blog-banner h2{font-size:14px}.blog-banner h2>span{display:none}.card{padding:18px 16px 0}.grid{gap:12px}.footer-brand span{display:none}}@media (width<=680px){header{height:74px}.brand{gap:7px}.brand strong{font-size:18px}.brand>span:last-child{font-size:12px}.logo{width:32px;height:32px;font-size:16px}nav{gap:17px;font-size:11px}nav>button:last-child{display:none}.current:after{bottom:13px}.hero{grid-template-columns:1fr;gap:20px;padding:36px 0 26px}.hero-copy{padding:0 4px}h1{font-size:35px}.eyebrow{letter-spacing:1.7px;margin-bottom:18px;font-size:8px}.hero-copy>p{font-size:12px}.hero .button{padding:12px 14px;font-size:12px}.hero-meta{gap:23px;font-size:9px}.hero-art{height:295px;margin:0;transform:none}.code-window{width:min(330px,85%);font-size:10px}.one{width:290px;height:270px}.two{width:95%;height:195px}.java{top:0;right:0}.made{padding:10px 13px;bottom:0;left:0}.blog-banner{flex-wrap:wrap;gap:12px;padding:17px 15px}.book-icon{width:37px;height:40px}.blog-banner>div{flex:1}.blog-banner h2{font-size:13px}.blog-banner p{font-size:10px;line-height:1.8}.blog-banner>button,.blog-banner>a{margin-left:49px;font-size:10px}#tools{padding-top:35px}.section-heading{flex-direction:column;align-items:stretch}.section-heading h2{font-size:23px}.search{width:100%;margin-top:22px}.filter-row{margin:17px 0}.filters{flex-wrap:wrap;gap:3px}.filters button{gap:5px;padding:8px 9px;font-size:10px}.filters button>span{font-size:12px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card{min-height:217px;padding:16px 14px 0}.card h3{font-size:12px}.card p{margin-bottom:15px;font-size:10px;line-height:1.9}.tool-icon{width:35px;height:35px;font-size:21px}.card-top{margin-bottom:14px}.card-bottom{font-size:8px}.bottom-note{flex-wrap:wrap;gap:12px;margin:23px 0 29px;padding:15px}.bottom-note h3{font-size:11px}.bottom-note p{max-width:250px;font-size:9px;line-height:1.8}.bottom-note>a{margin-left:40px}.note-spark{font-size:30px}footer{flex-wrap:wrap;gap:10px;padding:22px 0}.footer-brand{font-size:10px}footer>span{font-size:8px}.back-top{display:none}.modal{padding:21px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}.result .qr-preview{object-fit:contain;image-rendering:pixelated;border-radius:0}