:root{color-scheme:light;--ink:#334155;--muted:#64748b;--green:#07a95e;--accent:#45c26b;--line:#e2e8e7;--pale:#f7fafa}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;min-width:280px;background:#fff;color:var(--ink);font:14px/1.65 Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.6;cursor:wait}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}h1,h2,h3,p{margin:0}::selection{background:#d9f2e3}:focus-visible{outline:3px solid #139b56;outline-offset:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;padding:10px 16px;background:var(--green);color:#fff;border-radius:4px}.skip-link:focus{top:8px}
.site-header{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 1px 0 #0000000e}.header-inner{display:flex;align-items:center;gap:32px;width:min(1280px,100%);min-height:64px;margin:auto;padding:0 28px}.brand{display:inline-flex;align-items:center;flex:none;gap:9px}.brand-mark{width:30px;height:30px}.brand-name{color:var(--green);font-size:21px;font-weight:700;letter-spacing:-.5px}.header-nav{display:flex;align-items:center;gap:30px;margin-left:auto}.header-nav a{padding:20px 0;color:#475569;white-space:nowrap}.header-nav a:hover,.header-nav .nav-active{color:var(--green)}.header-status{display:inline-flex;align-items:center;flex:none;gap:6px;color:#64748b;font-size:12px}.status-dot{width:6px;height:6px;border-radius:50%;background:#94a3b8}.header-status.ready .status-dot{background:var(--accent)}.header-status.error .status-dot{background:#e05b57}.menu-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;padding:6px;color:var(--ink);background:transparent;border:0;border-radius:4px}
.page-shell{width:min(1024px,calc(100% - 48px));margin:0 auto}.hero{padding-top:48px;text-align:center}.hero-copy h1{font-size:48px;font-weight:700;letter-spacing:-1.2px;line-height:1.3}.hero-copy h1 span{color:#07c16c;margin-right:10px}.hero-description{margin-top:12px;font-size:14px;color:#64748b}.tool-wrap{margin:32px auto 0;width:100%}.tool-card{text-align:left;scroll-margin-top:100px}.url-field{display:flex;align-items:center;height:48px;min-width:0;border:1px solid #cbd5d1;border-radius:5px;background:#fff}.url-field:focus-within{border-color:#45c26b;box-shadow:0 0 0 2px #45c26b18}.url-field input{flex:1;min-width:0;width:100%;height:100%;padding:0 18px;color:var(--ink);background:transparent;border:0;outline:0;font-size:14px}.url-field input::placeholder{color:#929a9f}.paste-button{flex:none;padding:7px 12px;color:#64748b;background:transparent;border:0;border-radius:3px;font-size:13px}.paste-button:hover:not(:disabled){color:var(--green);background:#f0faf4}.button{min-height:40px;padding:8px 16px;border:1px solid transparent;border-radius:4px;font-weight:500}.button-primary{color:#fff;background:var(--accent)}.button-primary:hover:not(:disabled){background:#32ad59}.inspect-button{flex:none;align-self:stretch;min-width:100px;margin:-1px;padding:0 18px;border-radius:0 5px 5px 0;font-size:16px}.tool-note{margin-top:9px;color:#929b9e;font-size:12px;text-align:left}.selected-platform{margin-top:12px;color:var(--green);font-size:13px}
.message{margin-top:18px;padding:12px 16px;color:#496652;background:#f1f8f3;border:1px solid #d9eade;border-radius:5px;font-size:13px;overflow-wrap:anywhere}.message.success{color:#227b49;border-color:#ccead7}.message.error{color:#ab3e3e;background:#fff5f5;border-color:#f2d6d6}.preview{display:flex;align-items:center;gap:18px;margin-top:20px;padding:20px;background:var(--pale);border:1px solid var(--line);border-radius:6px}.preview-image{width:128px;height:80px;flex:none;object-fit:cover;border-radius:4px}.preview-body{min-width:0}.preview-platform{color:var(--green);font-size:12px}.preview h3{margin:3px 0 4px;font-size:16px;line-height:1.6;overflow-wrap:anywhere}.preview p{margin-bottom:6px;color:var(--muted);font-size:12px;overflow-wrap:anywhere}.preview-details{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:12px;color:#64748b}.preview-details span:empty{display:none}
.quality-panel{margin-top:20px;padding:20px;border:1px solid var(--line);border-radius:6px}.quality-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.quality-heading h3{font-size:18px;font-weight:600}.quality-count{flex:none;font-size:12px;color:var(--muted)}.quality-rows{display:grid;gap:10px}.quality-row{display:grid;grid-template-columns:minmax(160px,1fr) minmax(390px,1.4fr);align-items:center;gap:16px;padding:14px 16px;border:1px solid #e8efeb;border-radius:5px;background:#fafcfb}.quality-row:first-child{background:#f1faf4;border-color:#cae9d4}.quality-row-head{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.quality-row-head strong{font-size:17px;font-weight:600}.best-badge{padding:2px 7px;border-radius:3px;color:#27834e;background:#dff2e5;font-size:11px}.quality-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.image-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.quality-action{min-height:38px;padding:8px 10px;background:#fff;border:1px solid #d7e2da;border-radius:4px;color:#4a6153;font-size:12px;white-space:nowrap}.quality-action:hover:not(:disabled){color:var(--green);border-color:#79c293;background:#f6fcf8}.quality-action-primary{color:#fff;background:var(--accent);border-color:var(--accent)}.quality-action-primary:hover:not(:disabled){color:#fff;background:#32ad59;border-color:#32ad59}.quality-note{margin-top:14px;color:var(--muted);font-size:12px;line-height:1.8}.button-secondary{background:#e6f5eb;color:#26834b;border-color:#c9e6d3}.button-secondary:hover:not(:disabled){background:#d8efdf}.all-images-button{width:100%}
.job-panel{margin-top:18px;padding:18px 20px;background:#f2faf5;border:1px solid #d5eada;border-radius:5px}.job-top{display:flex;justify-content:space-between;gap:12px;color:#348451;font-size:13px}.progress-track{height:6px;margin:12px 0 10px;background:#dceee2;border-radius:4px;overflow:hidden}.progress-fill{width:0;height:100%;background:var(--accent);border-radius:inherit;transition:width .3s}.job-panel p{color:#647c6c;font-size:12px;overflow-wrap:anywhere}.save-link{display:inline-block;margin-top:13px;color:#1b8b49;font-weight:600}.save-link:hover{text-decoration:underline}
.steps-section{margin-top:44px;scroll-margin-top:96px}.usage-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:0;margin:0;list-style:none}.usage-step{display:flex;align-items:center;gap:14px;min-height:72px;padding:12px 22px 12px 28px;background:#e8f5ee;clip-path:polygon(0 0,94% 0,100% 50%,94% 100%,0 100%,6% 50%)}.usage-step:first-child{clip-path:polygon(0 0,94% 0,100% 50%,94% 100%,0 100%);padding-left:20px}.step-number{display:grid;place-items:center;flex:none;width:34px;height:34px;border-radius:50%;background:#f0bd43;color:#fff;font-size:18px;font-weight:600}.usage-step:nth-child(2) .step-number{background:#43bf75}.usage-step:nth-child(3) .step-number{background:#79a8ee}.usage-step h2{margin-bottom:3px;font-size:14px;font-weight:600}.usage-step p{color:#64776b;font-size:12px;line-height:1.8}
.features-section{margin-top:52px}.section-heading{text-align:left;margin-bottom:26px}.section-heading h2{font-size:30px;font-weight:600;line-height:1.4}.section-heading p{margin-top:10px;color:var(--muted);font-size:14px}.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}.feature{display:flex;align-items:flex-start;gap:16px;padding:0}.feature-icon{display:grid;place-items:center;flex:none;width:24px;height:28px;background:transparent;color:#36ad62}.feature h3{margin-bottom:6px;font-size:18px;font-weight:600}.feature p{color:#77818d;line-height:1.9;font-size:14px}
.platform-section{margin-top:58px;scroll-margin-top:90px}.platform-section .section-heading{margin-bottom:20px}.platform-toolbar{display:flex;justify-content:center;margin-bottom:24px}.platform-filters{display:flex;flex-wrap:wrap;justify-content:center;gap:6px}.platform-filters button{min-height:32px;padding:5px 15px;border:0;border-radius:4px;background:transparent;color:#748278;font-size:13px}.platform-filters button:hover{color:#25864a;background:#f5faf7}.platform-filters button[aria-pressed="true"]{color:#24844a;background:#e8f5ee}.platform-filters button span{margin-left:4px;font-size:11px}.platform-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}.platform-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-width:0;min-height:148px;padding:28px 8px;color:#52606b;background:var(--pale);border:1px solid transparent;border-radius:6px;transition:background .15s,border-color .15s}.platform-item:hover{background:#eef7f2;border-color:#cce6d6}.platform-item.is-selected{background:#e8f5ee;border-color:#8bcd9f}.platform-logo-wrap{display:grid;place-items:center;width:40px;height:40px}.platform-logo{display:block;width:100%;height:100%;object-fit:contain;border-radius:6px}.platform-banner{font-size:13px;line-height:1.5;overflow-wrap:anywhere}.logo-fallback{font-size:17px;font-weight:600;color:var(--green)}
.faq-section{margin:58px 0 64px;scroll-margin-top:90px}.faq-list{overflow:hidden;border:1px solid #d9dfdc;border-radius:5px}.faq-list details+details{border-top:1px solid #d9dfdc}.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 22px;font-size:16px;list-style:none;cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";flex:none;font-size:23px;line-height:1;font-weight:300;color:#86958b}.faq-list details[open] summary::after{content:"−";color:var(--green)}.faq-list details[open] summary{color:#27844b}.faq-list p{padding:0 22px 20px;color:#718078;font-size:14px;line-height:1.9}
.site-footer{padding:36px 24px 20px;color:#fff;background:#1aa05a}.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;max-width:1024px;margin:auto}.footer-wordmark{font-size:23px;font-weight:600}.footer-intro p{margin-top:9px;color:#d4f1df;font-size:13px}.footer-column{display:flex;flex-direction:column;gap:7px}.footer-column h2{margin-bottom:3px;font-size:15px;font-weight:600}.footer-column a{color:#d4f1df;font-size:13px}.footer-column a:hover{color:#fff;text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:20px;grid-column:1/-1;padding-top:18px;border-top:1px solid #ffffff28;color:#d4f1df;font-size:12px}
@media(max-width:1023px){.header-inner{gap:20px;padding:0 24px}.header-nav{gap:22px}.platform-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.usage-step{gap:10px;padding-right:16px;padding-left:22px}.usage-step:first-child{padding-left:16px}.usage-step p{font-size:11px}.step-number{width:30px;height:30px}.quality-row{grid-template-columns:minmax(130px,1fr) minmax(360px,1.5fr)}}
@media(max-width:767px){.header-inner{position:relative;min-height:60px;gap:12px;padding:0 20px}.brand-name{font-size:19px}.brand-mark{width:28px;height:28px}.header-status{margin-left:auto;font-size:11px}.menu-toggle{display:inline-flex}.header-nav{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 16px;margin:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 5px 10px #33415506}.header-nav.is-open{display:flex}.header-nav a{padding:11px 8px}.page-shell{width:calc(100% - 40px)}.hero{padding-top:36px}.hero-copy h1{font-size:34px;letter-spacing:-.7px}.hero-copy h1 span{margin-right:7px}.hero-description{margin-top:12px;font-size:13px}.tool-wrap{margin-top:24px}.url-field input{padding:0 12px;font-size:13px}.inspect-button{min-width:78px;padding:0 12px;font-size:14px}.paste-button{padding:7px 9px;font-size:12px}.tool-note{font-size:11px}.steps-section{margin-top:32px}.usage-steps{grid-template-columns:1fr;gap:10px}.usage-step,.usage-step:first-child{gap:16px;min-height:78px;padding:16px 22px;border-radius:5px;clip-path:none}.step-number{width:32px;height:32px}.usage-step p{font-size:12px}.features-section{margin-top:40px}.section-heading h2{font-size:24px}.section-heading p{font-size:13px}.feature-grid{gap:24px}.feature{padding:0;gap:12px}.feature-icon{width:42px;height:42px}.feature-icon svg{width:27px;height:27px}.feature h3{font-size:17px}.feature p{font-size:13px}.platform-section{margin-top:44px}.platform-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.platform-item{min-height:128px;padding:24px 8px;gap:11px}.platform-logo-wrap{width:36px;height:36px}.platform-filters button{padding:5px 10px;font-size:12px}.platform-toolbar{margin-bottom:20px}.quality-row{grid-template-columns:1fr;gap:12px}.faq-section{margin-top:44px;margin-bottom:44px}.faq-list summary{padding:16px;font-size:15px}.faq-list p{padding:0 16px 16px;font-size:13px}.footer-inner{grid-template-columns:1.6fr 1fr 1fr;gap:20px}.footer-wordmark{font-size:19px}}
@media(max-width:639px){.feature-grid{grid-template-columns:1fr;gap:24px}.platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.preview{align-items:flex-start;gap:12px;padding:16px}.preview-image{width:82px;height:64px}.preview h3{font-size:14px}.quality-panel{padding:14px}.quality-row{padding:12px}.quality-actions{grid-template-columns:1fr;gap:7px}.image-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.quality-action{min-height:40px}.footer-inner{grid-template-columns:1fr 1fr;gap:26px 20px}.footer-intro{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:4px}}
@media(max-width:359px){.page-shell{width:calc(100% - 32px)}.header-inner{padding:0 16px;gap:8px}.brand-name{font-size:17px}.hero-copy h1{font-size:30px}.hero-description{font-size:12px}.inspect-button{min-width:68px}.paste-button{padding:7px}.url-field input{padding:0 10px}.preview{flex-direction:column}.preview-image{width:100%;height:130px}.image-actions{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

.usage-step .step-text{min-width:0;color:#334155;font-size:14px;font-weight:400;line-height:1.7;overflow-wrap:anywhere}
.rtc-controls{margin-top:14px}.rtc-info{display:flex;flex-wrap:wrap;gap:6px 18px;color:#347a50;font-size:12px}.rtc-save-note{margin-top:8px!important}.rtc-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px}.rtc-actions .button{font-size:13px}.rtc-cancel{border-color:#d6e2da;background:#fff;color:#5d7465}.rtc-actions a{display:inline-flex;align-items:center}.rtc-controls.is-error .rtc-info{color:#a13f3f}@media(max-width:639px){.rtc-actions .button{width:100%;justify-content:center}.rtc-info{flex-direction:column;gap:2px}}
.device-panel{margin-top:16px;padding:14px 16px;border:1px solid #dce9e0;border-radius:5px;background:#fafcfb;text-align:left}.device-panel h3{margin-bottom:6px;font-size:14px}.device-panel p{font-size:12px;color:#61766a}.device-actions,.cache-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px}.device-actions .button,.cache-actions .button{font-size:12px;min-height:36px}.cache-list{display:grid;gap:12px;margin-top:12px}.cache-item{padding-top:12px;border-top:1px solid #e2ebe5}.cache-item strong{font-size:12px;overflow-wrap:anywhere}.cache-item .cache-status{margin-top:4px}.cache-actions a{display:inline-flex;align-items:center}.cache-item.is-error .cache-status{color:#a13f3f}@media(max-width:639px){.device-actions .button,.cache-actions .button{width:100%;justify-content:center}}