@font-face{font-family:icons;src:url('../../assets/iconfont.woff2') format('woff2');font-display:block}
:root{color-scheme:dark;--bg:#040e14;--text:#c9cdd2;--muted:#939aa3;--green:#6cd8b2;--active:#253d35;--line:#142027}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,'Microsoft YaHei',sans-serif;font-size:14px}button,input{font:inherit}button{cursor:pointer;border:0;color:inherit;background:none}button:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:3px}.icon{font-family:icons!important;font-style:normal;font-weight:400;font-size:20px}
header{height:45px;position:fixed;inset:0 0 auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--bg);z-index:5;padding:0 10px}.logo{width:98px;height:auto}.account{display:flex;align-items:center;gap:13px;height:100%}.notice{padding:6px}.balance{border-radius:8px;padding:10px 14px;background:#20292f;color:var(--green)}.login{height:36px;padding:0 16px;border-radius:7px;color:#063932;background:#62f397}.menu-toggle{display:none}
aside{position:fixed;top:45px;bottom:0;left:0;width:236px;border-right:1px solid var(--line);padding:10px 16px 20px 10px;overflow-y:auto}.nav-group{padding-bottom:20px;margin-bottom:18px;border-bottom:1px solid var(--line)}.nav-group:last-child{border:0;margin-bottom:0}.nav-heading{color:#68737f;font-size:14px;margin:9px 8px 10px}.nav-item{width:100%;display:flex;align-items:center;gap:13px;height:46px;text-align:left;padding:0 10px;border-radius:7px;font-size:16px;white-space:nowrap}.nav-item:hover{background:#15252a}.nav-item.active{background:var(--active);color:var(--green);height:41px;margin:3px 0}
main{margin-left:236px;padding:19px 11px 24px 19px;margin-top:45px}.heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;height:36px}h1{font-size:16px;margin:0;color:#f1f3f4}.search{height:36px;border:1px solid #302c28;border-radius:7px;background:#050607;display:flex;align-items:center;padding:0 8px;width:210px;color:#818b96;gap:5px}.search .icon{font-size:15px}.search input{width:100%;background:none;color:#d2d6da;border:0;outline:0;font-size:14px}.search input::placeholder{color:#60646a}
#filters{margin-bottom:16px}.filter-row{display:flex;align-items:flex-start;gap:12px;position:relative;margin-bottom:10px;padding-right:62px;min-height:33px}.filter-all,.chip{height:33px;white-space:nowrap;padding:0 10px;border-radius:7px;font-size:14px;flex-shrink:0}.filter-all{font-weight:600}.selected{background:var(--active);color:var(--green)}.chips{display:flex;gap:8px;flex-wrap:wrap;max-height:33px;overflow:hidden;flex:1}.filter-row.expanded .chips{max-height:none}.chip{color:#a1a4ab;padding:0 10px}.chip.selected{color:var(--green)}.chip:hover{color:var(--green);background:#15252a}.expand{position:absolute;right:0;top:0;height:33px;color:#999fa8;font-size:13px}.expand .icon{font-size:12px;margin-left:3px}
.grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));column-gap:15px;row-gap:27px}.card{min-width:0;display:block;text-align:left;padding:0}.cover{width:100%;aspect-ratio:1.82;object-fit:cover;border-radius:6px;display:block;transition:filter .2s}.card:hover .cover{filter:brightness(1.12)}.card-title{margin:13px 8px 7px;font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:19px}.author{display:flex;align-items:center;gap:5px;margin:0 8px;font-size:12px;color:#a2a8ae}.author img{width:16px;height:16px;border-radius:50%}#empty{text-align:center;padding:90px 0;color:var(--muted)}#empty button{display:block;margin:20px auto;color:var(--green)}
dialog{width:min(900px,90vw);border:1px solid #283c43;border-radius:12px;padding:24px;background:#0b171d;color:var(--text)}dialog::backdrop{background:#000b;backdrop-filter:blur(5px)}dialog>img{display:block;width:100%;max-height:65vh;object-fit:contain;border-radius:6px}dialog h2{font-size:20px;margin-bottom:8px}dialog p{color:var(--muted)}.close{position:absolute;right:8px;top:3px;font-size:24px}.hint{font-size:12px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#253d35;color:#bcecd9;padding:12px 20px;border-radius:8px;z-index:10;display:none}.toast.show{display:block}
@media(max-width:1500px){aside{width:210px}main{margin-left:210px}.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1100px){aside{width:190px}.nav-item{font-size:14px}main{margin-left:190px}.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){header{height:52px}.menu-toggle{display:block}.logo{margin-left:10px;margin-right:auto;width:90px}.account{gap:6px}.notice{display:none}.balance{padding:7px}.login{font-size:12px;padding:0 10px;height:32px}aside{top:52px;width:210px;z-index:4;background:var(--bg);transform:translateX(-100%);transition:transform .2s}aside.open{transform:translateX(0)}main{margin-left:0;margin-top:52px;padding:16px 12px}.heading{margin-bottom:16px}.search{width:180px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 12px}.card-title{margin:10px 2px 6px;font-size:12px}.author{margin:0 2px;font-size:11px}.filter-row{gap:4px;padding-right:44px}.chips{gap:2px}.chip,.filter-all{font-size:12px;padding:0 8px}.expand{font-size:12px}}
.logo.school-name{width:auto;height:auto;color:var(--green);font-size:18px;font-weight:700;white-space:nowrap;letter-spacing:.5px}@media(max-width:760px){.logo.school-name{width:auto;margin-left:8px;font-size:13px;letter-spacing:0}.account{gap:4px}.balance{display:none}}
[hidden]{display:none!important}#auth{width:min(400px,92vw);padding:30px}#auth h2{margin-top:0}.auth-tabs{display:flex;gap:8px;margin:20px 0}.auth-tabs button{flex:1;padding:10px;border-radius:6px}#auth-form label{display:block;margin:14px 0}#auth input,textarea{display:block;width:100%;margin-top:8px;padding:12px;background:#071117;color:var(--text);border:1px solid #304149;border-radius:6px}#auth-error{color:#ff9f9f;font-size:13px;min-height:18px}.primary{padding:10px 18px;background:var(--green);color:#063932;border-radius:6px}#auth-submit{width:100%}.demo-note{font-size:12px;line-height:1.8}.section-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.section-cards article{padding:24px;border:1px solid var(--line);background:#0b171d;border-radius:8px}.section-cards h2{font-size:18px}.section-cards p{color:var(--muted);line-height:1.8}#page-content textarea{min-height:180px;max-width:700px;margin-bottom:16px}.asset-card{display:inline-flex;flex-direction:column;width:250px;gap:10px;margin:12px;text-align:left}.asset-card img{width:100%;border-radius:6px}
.tools-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}.tool-card{display:flex;align-items:center;gap:20px;text-align:left;background:#151f24;border:1px solid transparent;border-radius:7px;min-height:160px;padding:24px 30px;transition:border-color .2s,transform .2s}.tool-card:hover{border-color:#6cd8b2;transform:translateY(-2px)}.tool-icon{width:100px;height:100px;flex-shrink:0}.tool-icon img{width:100%;height:100%;object-fit:contain}.tool-copy h2{font-size:20px;margin:0 0 20px;color:#edf0f5;white-space:nowrap}.tool-copy p{font-size:14px;line-height:1.6;color:#929da9;margin:0}.tool-result{white-space:pre-wrap;line-height:1.8}#tool-dialog{max-width:640px}#tool-dialog textarea{min-height:130px;margin-bottom:18px}#tool-dialog label{display:block;margin:16px 0}#tool-dialog input[type=file]{display:block;margin-top:12px}@media(max-width:1900px){.tool-card{padding:20px;gap:12px}.tool-icon{width:80px;height:80px}.tool-copy h2{font-size:17px}.tool-copy p{font-size:12px}}@media(max-width:1550px){.tools-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1050px){.tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-card{padding:14px}.tool-copy h2{font-size:16px}}@media(max-width:480px){.tools-grid{gap:12px}.tool-card{min-height:170px;flex-direction:column;align-items:flex-start;gap:8px}.tool-icon{width:70px;height:70px}.tool-copy h2{margin-bottom:8px;font-size:15px}}
.cutout-workspace{display:grid;grid-template-columns:435px minmax(0,1fr) 78px;gap:24px;min-height:calc(100vh - 92px)}.cutout-settings{display:flex;flex-direction:column;border-right:1px solid var(--line);padding-right:16px}.cutout-title{display:flex;align-items:center;gap:12px;margin-bottom:32px}.cutout-title h2{font-size:22px;margin:0;margin-right:auto;white-space:nowrap}.cutout-workspace select{border:1px solid #2f3941;border-radius:6px;background:var(--bg);color:var(--text);padding:9px;font-size:14px}.cutout-title select{max-width:128px}.cutout-label{display:block;font-size:13px;margin:14px 0 8px}.upload-zone{height:226px;position:relative;background:#10191f;border:1px solid var(--line);border-radius:7px;display:flex;flex-direction:column;align-items:center;justify-content:center}.upload-zone>label{cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:10px}.upload-zone .icon{font-size:32px}.upload-zone button{font-size:13px;margin-top:10px;color:#8896a1}.upload-zone button span{color:#45d6dc}.upload-zone>img{position:absolute;right:10px;bottom:10px;width:70px;height:65px;object-fit:contain}.cutout-settings textarea{height:178px;resize:vertical;background:#10191f;min-height:100px}.cutout-status{font-size:12px;color:#91a1ac;line-height:1.8}.cutout-generate{display:flex;gap:8px;margin-top:auto;padding-top:24px}.cutout-generate>span{background:#222a30;border-radius:6px;padding:16px;color:var(--green);font-size:13px}.cutout-generate button{flex:1;border-radius:6px;background:var(--green);color:#052a25;font-weight:bold}.cutout-results{display:flex;flex-direction:column;gap:14px;min-width:0}.cutout-large{border-radius:8px;background:#222a30;display:flex;align-items:center;justify-content:center;min-height:350px;flex:1;padding:35px}.cutout-large>img{width:100%;height:100%;max-height:62vh;object-fit:contain}.cutout-examples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.cutout-examples button{height:220px;background:#222a30;border:2px solid transparent;border-radius:8px;padding:20px}.cutout-examples button.selected{border-color:#65fa61}.cutout-examples img{width:100%;height:100%;object-fit:contain}.cutout-actions{display:flex;flex-direction:column;gap:8px;background:#222a30;border-radius:8px;padding:14px 0;align-self:start}.cutout-actions button{display:flex;flex-direction:column;align-items:center;gap:12px;padding:14px 8px;font-size:13px}.cutout-actions .icon{font-size:28px}#cutout-zoom{width:90vw;background:#222a30}#cutout-zoom>img{max-height:85vh}@media(max-width:1500px){.cutout-workspace{grid-template-columns:320px minmax(0,1fr) 65px;gap:14px}.cutout-title{flex-wrap:wrap}.cutout-examples button{height:150px;padding:10px}}@media(max-width:1000px){.cutout-workspace{grid-template-columns:1fr}.cutout-settings{border:0;padding:0}.cutout-actions{flex-direction:row;justify-content:space-around;order:2}.cutout-results{order:1}.cutout-large{min-height:300px}.cutout-large img{max-height:45vh}.cutout-examples button{height:120px}.cutout-generate{min-height:70px}}
.cutout-dropdown{position:relative;min-width:0}.cutout-title .cutout-dropdown{width:128px}.cutout-title .cutout-dropdown[data-menu=type]{width:106px}.cutout-trigger{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;border:1px solid #3b454c;border-radius:7px;padding:10px;color:#adb6bd;background:#050f15;text-align:left;font-size:14px;min-height:38px}.cutout-chevron{width:9px;height:9px;border-right:1.5px solid #aab6bd;border-bottom:1.5px solid #aab6bd;transform:rotate(45deg);margin:0 4px 4px;flex-shrink:0}.cutout-trigger[aria-expanded=true] .cutout-chevron{transform:rotate(225deg);margin-top:6px}.cutout-popover{position:absolute;top:calc(100% + 16px);left:0;right:0;z-index:8;padding:6px;background:#262626;border:1px solid #34383b;border-radius:9px;box-shadow:0 8px 16px #0005}.cutout-popover:before{content:'';position:absolute;top:-8px;left:50%;width:14px;height:14px;background:#262626;border-left:1px solid #34383b;border-top:1px solid #34383b;transform:translateX(-50%) rotate(45deg)}.cutout-option{display:block;position:relative;width:100%;padding:14px 18px;text-align:left;font-size:16px;color:#ced6dd;border-radius:5px}.cutout-option.selected{background:#494949;color:#6bdab5;font-weight:600}.cutout-option:hover{background:#494949}.cutout-trigger:focus-visible,.cutout-option:focus-visible{outline:2px solid #6bdab5;outline-offset:2px}.cutout-generate .cost-dropdown{flex:0 0 130px}.cutout-generate .cost-trigger{background:#222a30;color:#65ff61;padding:14px 10px;min-height:48px;font-weight:500}.cost-star{color:#8ce8cc;font-size:20px}.cutout-generate #generate-cutout{min-height:48px;background:linear-gradient(100deg,#52dfe8,#65ff61)}.cost-popover{top:auto;bottom:calc(100% + 18px);width:220px;right:auto;padding:0}.cost-popover:before{top:auto;bottom:-8px;border:0;border-right:1px solid #34383b;border-bottom:1px solid #34383b}.cost-popover h3{font-size:16px;text-align:center;color:#f4f6f8;margin:0;padding:15px 12px;border-bottom:1px solid #373737;font-weight:500}.cost-popover dl{margin:14px 20px}.cost-popover dl div{display:flex;justify-content:space-between;margin:14px 0;color:#adb9c4;font-size:15px}.cost-popover dd{margin:0}.cost-popover dl .cost-total{color:#60dab4}.cost-popover small{display:block;text-align:center;color:#89979e;font-size:11px;padding:0 8px 12px}@media(max-width:1500px){.cutout-title{gap:8px}.cutout-title .cutout-dropdown{width:96px}.cutout-title .cutout-dropdown[data-menu=type]{width:88px}.cutout-title .cutout-trigger{font-size:12px;padding:8px}.cutout-generate .cost-dropdown{flex-basis:130px}}
.poster-workspace{grid-template-columns:435px minmax(0,1fr) 78px}.poster-settings .cutout-title{margin-bottom:26px}.poster-settings .cutout-label{margin-top:24px}.poster-prompt-box{background:#10191f;border-radius:7px;overflow:hidden;border:1px solid var(--line)}#page-content .poster-prompt-box textarea{border:0;border-radius:0;margin:0;max-width:none;min-height:160px;height:180px;padding:12px;resize:vertical}.poster-prompt-actions{display:flex;gap:8px;padding:10px 14px}.poster-prompt-actions button{padding:6px 10px;background:#222a30;color:#64d9b4;border-radius:6px;font-size:13px}.poster-prompt-actions button:first-child{color:#f3c875}.poster-recommend{padding:14px;border-top:1px solid var(--line);font-size:12px;color:#87949f;display:flex;justify-content:space-between}.poster-recommend button{color:#b5c3cb}.poster-strength{display:flex;align-items:center;gap:16px;background:#10191f;border-radius:7px;padding:18px 12px;font-size:13px}.poster-strength input{flex:1;width:0;accent-color:#e5eeef}.poster-strength output{width:25px;text-align:right}.poster-ratios{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.poster-ratios button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:8px 4px;min-height:76px;background:#10191f;border:1px solid transparent;border-radius:7px;font-size:13px}.poster-ratios .selected,.poster-counts .selected{border-color:#5dcfb2;color:#65dcb8}.ratio-sample{display:block;width:30px;height:30px;background:#222a30;border:1px solid #30383e;border-radius:4px}.ratio-sample[data-shape="3:4"]{width:23px;height:30px}.ratio-sample[data-shape="9:16"]{width:18px;height:30px}.ratio-sample[data-shape="4:3"]{width:30px;height:23px}.ratio-sample[data-shape="16:9"]{width:30px;height:17px}.poster-counts{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.poster-counts button{padding:10px;background:#10191f;border:1px solid transparent;border-radius:6px;color:#a6b0b8}.poster-settings .cutout-status{margin-top:20px}.poster-settings .cutout-generate{padding-top:15px;min-height:64px}.poster-settings #poster-generate{background:linear-gradient(100deg,#52dfe8,#65ff61)}.poster-results .cutout-large{padding:0;min-height:450px}.poster-results .cutout-large>img{max-height:73vh;object-fit:contain}.poster-examples button{height:210px;padding:0;overflow:hidden}.poster-examples{grid-template-columns:repeat(3,minmax(0,1fr))}.poster-workspace .cutout-actions #poster-close{font-size:32px}.poster-workspace #poster-close span{font-size:13px}#poster-guide-dialog{max-width:440px}#poster-guide-dialog label{display:block;margin:18px 0}#poster-guide-dialog input,#poster-guide-dialog select{display:block;width:100%;background:#10191f;border:1px solid #3b454c;color:var(--text);padding:10px;border-radius:6px;margin-top:8px}#poster-zoom{background:#222a30;width:min(650px,92vw)}#poster-zoom img{max-height:85vh}@media(max-width:1500px){.poster-workspace{grid-template-columns:320px minmax(0,1fr) 65px;gap:14px}.poster-examples button{height:150px}}@media(max-width:1000px){.poster-workspace{grid-template-columns:1fr}.poster-results .cutout-large>img{max-height:60vh}.poster-ratios{max-width:550px}.poster-counts{max-width:550px}}