:root{--ti-paper:#f7f8f4;--ti-ink:#213c33;--ti-muted:#65756c;--ti-green:#285c4d;--ti-soft:#edf3ec;--ti-line:#dfe7dd}*{box-sizing:border-box}body{margin:0;background:var(--ti-paper);color:var(--ti-ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft Yahei",sans-serif}a{color:inherit}button,input,select{font:inherit}button,a,select,input{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #c4a668;outline-offset:3px}button{cursor:pointer}button:disabled{opacity:.42;cursor:not-allowed}[hidden]{display:none!important}.ti-skip{position:absolute;top:-100px;left:12px;background:#fff;padding:10px;z-index:10}.ti-skip:focus{top:10px}.ti-header{background:#ffffffc9;border-bottom:1px solid var(--ti-line)}.ti-header-inner{max-width:1120px;margin:auto;min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 24px}.ti-brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:22px;font-weight:750;letter-spacing:-.5px;line-height:1.2}.ti-brand small{display:block;font-size:11px;font-weight:450;letter-spacing:1px;margin-top:5px;color:var(--ti-muted)}.ti-header nav{display:flex;gap:25px;flex-wrap:wrap;font-size:14px}.ti-header nav a{text-decoration:none;color:#52675c}.ti-header nav a:hover{color:var(--ti-green);text-decoration:underline}.ti-wrap{max-width:1080px;margin:auto;padding:0 24px}.ti-hero{text-align:center;padding:64px 15px 38px}.ti-eyebrow{font-size:12px;letter-spacing:2px;font-weight:600;color:var(--ti-green);text-transform:uppercase;margin:0 0 12px}.ti-hero h1{font-weight:740;letter-spacing:-1.5px;font-size:clamp(32px,4.8vw,53px);line-height:1.3;margin:0 0 19px}.ti-hero>p:not(.ti-eyebrow){color:var(--ti-muted);font-size:16px;max-width:690px;margin:0 auto}.ti-hero-tags{display:flex;justify-content:center;gap:20px;margin-top:22px;font-size:12px;color:var(--ti-muted)}.ti-hero-tags span:before{content:"✓";margin-right:6px;color:var(--ti-green)}.ti-workspace{background:#fff;border:1px solid var(--ti-line);border-radius:22px;box-shadow:0 12px 40px #1c332305;overflow:hidden}.ti-workspace-top{padding:18px 26px;border-bottom:1px solid var(--ti-line);display:flex;justify-content:space-between;align-items:center;gap:10px}.ti-workspace-top>div{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.ti-dot{display:inline-block;width:7px;height:7px;background:#63976c;border-radius:100%}.ti-local{background:var(--ti-soft);color:var(--ti-green);font-size:11px;padding:2px 8px;border-radius:5px;margin-left:4px}.ti-small{font-size:12px;color:var(--ti-muted)}.ti-drop{margin:25px 26px 0;padding:35px 16px 23px;border:1.5px dashed #bccfbc;border-radius:14px;background:#fafcf9;text-align:center;cursor:pointer;transition:background .15s,border-color .15s}.ti-drop:hover,.ti-drop.is-over{background:#edf5eb;border-color:var(--ti-green)}.ti-drop svg{color:#63836d;margin:auto}.ti-drop h2{font-size:21px;margin:12px 0 6px;font-weight:650}.ti-drop p{color:var(--ti-muted);font-size:13px;margin:0 0 19px}.ti-drop p:last-child{margin:16px 0 0;font-size:11px}.ti-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:42px;border-radius:9px;padding:9px 19px;background:var(--ti-green);color:#fff;border:1px solid var(--ti-green);text-decoration:none;font-weight:600;font-size:13px;line-height:1.5}.ti-button:hover:not(:disabled){background:#1b493a}.ti-select{min-width:155px}.ti-select span{font-size:20px;font-weight:400}.ti-secondary{background:#fff;border-color:var(--ti-line);color:var(--ti-ink);font-weight:500}.ti-secondary:hover:not(:disabled){background:var(--ti-soft)}.ti-text-button{background:none;border:0;color:var(--ti-muted);padding:10px;font-size:13px}.ti-text-button:hover{color:var(--ti-green)}.ti-options{display:grid;grid-template-columns:1fr 1fr auto;gap:24px;margin:25px 26px 20px;align-items:center}.ti-options label{display:flex;flex-direction:column;gap:7px;font-size:12px;color:var(--ti-muted)}.ti-options select{width:100%;border:1px solid var(--ti-line);border-radius:8px;min-height:42px;padding:8px 32px 8px 12px;background:#fff;color:var(--ti-ink);font-size:13px}.ti-options-note{font-size:11px;color:var(--ti-muted);line-height:1.9;padding-top:19px}.ti-batch-bar{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:0 26px 21px}.ti-batch-bar>div{display:flex;gap:9px;flex-wrap:wrap}.ti-message{padding:13px 26px;background:#f7f9f5;border-top:1px solid var(--ti-line);font-size:12px;color:var(--ti-muted);overflow-wrap:anywhere}.ti-message.is-error{color:#954c3d;background:#fff6f1}.ti-progress{display:flex;gap:12px;align-items:center;padding:16px 26px 0;font-size:12px;color:var(--ti-muted)}.ti-progress progress{flex:1;width:100%;height:6px;accent-color:var(--ti-green)}.ti-summary{display:flex;gap:18px;flex-wrap:wrap;padding:17px 26px 3px;font-size:12px;color:var(--ti-muted)}.ti-summary strong{margin-left:auto;color:var(--ti-green)}.ti-files{list-style:none;padding:0 26px;margin:0}.ti-file{display:grid;grid-template-columns:43px minmax(0,1fr) auto;gap:13px;padding:19px 0;border-bottom:1px solid var(--ti-line);align-items:center}.ti-file:last-child{border-bottom:0}.ti-file-badge{width:41px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:#eff3e8;color:#647246;font-size:10px;font-weight:750;text-transform:uppercase}.ti-file[data-format=jpg] .ti-file-badge{background:#faf0e3;color:#956a35}.ti-file[data-format=webp] .ti-file-badge{background:#eaf1f9;color:#456f94}.ti-file-name{font-size:13px;font-weight:600;overflow-wrap:anywhere;margin:0}.ti-file-meta,.ti-file-status{font-size:11px;color:var(--ti-muted);overflow-wrap:anywhere;margin:2px 0 0}.ti-file-status.is-error{color:#a04c3e}.ti-file-status.is-success{color:var(--ti-green)}.ti-file-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}.ti-file-actions a,.ti-file-actions button{font-size:12px;color:var(--ti-green);background:none;border:0;text-decoration:none;padding:5px}.ti-file-actions a[aria-disabled=true]{color:#a6afa8;pointer-events:none}.ti-file-actions button:disabled{opacity:.4}.ti-file-remove{color:var(--ti-muted)!important}.ti-zip-ready{display:block;padding:12px 26px;color:var(--ti-green);font-size:13px}.ti-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:39px 6px 43px;border-bottom:1px solid var(--ti-line)}.ti-steps b{font-size:12px;letter-spacing:2px;color:#8b9b80}.ti-steps h2{font-size:16px;margin:9px 0 4px}.ti-steps p{color:var(--ti-muted);font-size:13px;margin:0}.ti-reading{max-width:820px;margin:42px auto}.ti-reading section{margin:0 0 27px}.ti-reading h2,.ti-faq>h2,.ti-related h2{font-size:22px;font-weight:650;letter-spacing:-.3px;margin:0 0 14px}.ti-reading p{font-size:14px;line-height:1.95;color:var(--ti-muted);margin:0 0 15px}.ti-faq{max-width:820px;margin:38px auto 55px}.ti-faq details{border-bottom:1px solid var(--ti-line);padding:15px 0}.ti-faq summary{cursor:pointer;font-size:14px;font-weight:550}.ti-faq details p{font-size:13px;line-height:1.9;color:var(--ti-muted);margin:12px 0 0}.ti-related{border-top:1px solid var(--ti-line);padding-top:35px}.ti-related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.ti-related-grid a{display:flex;flex-direction:column;gap:8px;border:1px solid var(--ti-line);padding:20px;border-radius:12px;background:#fff;text-decoration:none}.ti-related-grid a:hover{border-color:#9bb59c}.ti-related-grid strong{font-size:14px;font-weight:600}.ti-related-grid span{font-size:12px;color:var(--ti-muted)}.ti-source{text-align:center;color:var(--ti-muted);font-size:11px;margin:35px 0}.ti-source a{color:inherit}.ti-guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.ti-guide-grid a{background:#fff;border:1px solid var(--ti-line);border-radius:16px;padding:28px;text-decoration:none}.ti-guide-grid a>span{font-size:11px;letter-spacing:1px;color:var(--ti-muted)}.ti-guide-grid h2{font-size:21px;margin:12px 0}.ti-guide-grid p{font-size:13px;color:var(--ti-muted)}.ti-guide-grid b{font-size:12px;color:var(--ti-green);font-weight:550}.ti-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.ti-dialog{width:min(1000px,95vw);max-height:93vh;background:#fff;border:1px solid var(--ti-line);border-radius:16px;padding:22px;color:var(--ti-ink)}.ti-dialog::backdrop{background:#172c2488}.ti-dialog-top{display:flex;justify-content:space-between;gap:15px;align-items:center}.ti-dialog h2{font-size:17px;margin:0;overflow-wrap:anywhere}.ti-compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.ti-compare-grid figure{margin:0;min-width:0}.ti-compare-grid figcaption{font-size:13px;margin-bottom:9px}.ti-compare-grid figcaption span{font-size:11px;color:var(--ti-muted)}.ti-checker{height:min(60vh,560px);display:flex;align-items:center;justify-content:center;border:1px solid var(--ti-line);border-radius:9px;overflow:hidden;background-color:#fff;background-image:linear-gradient(45deg,#e9ede8 25%,transparent 25%),linear-gradient(-45deg,#e9ede8 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9ede8 75%),linear-gradient(-45deg,transparent 75%,#e9ede8 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.ti-checker img{max-width:100%;max-height:100%;object-fit:contain}.ti-notice{padding:15px 26px;color:#954c3d;background:#fff6f1}body>footer{max-width:1080px;margin-left:auto;margin-right:auto}
@media(max-width:700px){.ti-header-inner{padding:15px 18px;gap:17px;flex-direction:column;align-items:flex-start}.ti-header nav{gap:22px;font-size:12px}.ti-wrap{padding:0 16px}.ti-hero{padding:39px 0 27px}.ti-hero h1{letter-spacing:-.8px}.ti-hero>p:not(.ti-eyebrow){font-size:14px}.ti-hero-tags{gap:12px;font-size:10px;flex-wrap:wrap}.ti-workspace{border-radius:16px}.ti-workspace-top{padding:14px 16px;align-items:flex-start}.ti-workspace-top>.ti-small{display:none}.ti-drop{margin:16px 16px 0;padding:27px 12px 20px}.ti-drop p{font-size:12px}.ti-options{grid-template-columns:1fr 1fr;gap:13px;margin:19px 16px}.ti-options-note{grid-column:1/-1;padding:0;line-height:1.6}.ti-options-note br{display:none}.ti-batch-bar{padding:0 16px 18px;gap:12px}.ti-batch-bar .ti-button{padding:9px 13px}.ti-message{padding:12px 16px}.ti-files{padding:0 16px}.ti-file{grid-template-columns:36px minmax(0,1fr);gap:10px}.ti-file-badge{width:35px;height:40px}.ti-file-actions{grid-column:2;justify-content:flex-start;margin-top:-3px;gap:12px}.ti-file-actions .ti-file-remove{margin-left:auto}.ti-summary,.ti-progress{padding-left:16px;padding-right:16px;gap:10px}.ti-summary strong{margin-left:0}.ti-steps{gap:15px;padding-top:26px;padding-bottom:28px}.ti-steps h2{font-size:14px}.ti-steps p{font-size:11px}.ti-reading{margin:31px 0}.ti-reading h2,.ti-faq>h2,.ti-related h2{font-size:19px}.ti-related-grid,.ti-guide-grid{grid-template-columns:1fr}.ti-dialog{padding:16px}.ti-compare-grid{gap:8px}.ti-checker{height:270px}.ti-compare-grid figcaption span{display:block}.ti-dialog h2{font-size:14px}.ti-zip-ready{padding-left:16px;padding-right:16px}}