:root{--paper:#f6f5ef;--ink:#252720;--muted:#7b7d72;--line:#e2e3d8;--accent:#d5f54b;--white:#fff;--soft:#eeefe7;--danger:#b93e32;--radius:20px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;font-weight:400}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0}button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,summary,select{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #7b9229;outline-offset:4px}button{border:0}img{max-width:100%;display:block}h1,h2,p{margin:0}[hidden]{display:none!important}.wrap{width:min(1240px,calc(100% - 88px));margin:auto}.site-header{height:104px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;background:var(--accent);font-size:25px;font-weight:850;letter-spacing:-4px;padding-right:5px;transform:rotate(-5deg)}.brand-word{font-size:23px;font-weight:800;letter-spacing:-1px;display:flex;align-items:center;gap:14px}.brand-cn{font-size:13px;letter-spacing:2px;font-weight:600;border-left:1px solid #c6c7bc;padding-left:14px}.header-right{display:flex;align-items:center;gap:27px}.connection{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted)}.connection i{width:6px;height:6px;background:#a1a396;border-radius:50%}.connection.ready i{background:#6e963b}.connection.warn i{background:#b09855}.text-link{font-size:12px;font-weight:550}.text-link span{margin-left:9px}.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;padding:58px 0 45px}.eyebrow{font-size:10px;letter-spacing:2.4px;font-weight:650;color:#7a7c6e;display:flex;gap:9px;align-items:center}.eyebrow>span{width:5px;height:5px;background:var(--ink);border-radius:50%}h1{font-size:clamp(38px,4.2vw,56px);font-weight:650;line-height:1.3;letter-spacing:-2px;margin-top:20px}.hero-second{display:block}.accent-dot{color:#95a923;margin-left:5px}.hero-aside{padding-bottom:4px;max-width:335px}.angle-icon{font-size:49px;line-height:1;display:block;margin-bottom:11px;font-weight:300}.hero-aside p{font-size:13px;line-height:1.95;color:#65685d}.hero-tag{font-size:10px;display:block;letter-spacing:.5px;margin-top:20px;color:#878a7e}.studio{display:grid;grid-template-columns:390px minmax(0,1fr);gap:22px;align-items:start}.editor-panel,.preview-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}.editor-panel{padding:27px}.panel-heading{display:flex;align-items:center;gap:10px}.step-index{font-size:10px;letter-spacing:.5px;font-weight:600;color:#8d9082}.panel-heading h2{font-size:15px;font-weight:650;letter-spacing:.3px}.small-label{margin-left:auto;font-size:9px;letter-spacing:1.7px;color:#a1a396}#generate-form{margin-top:27px}.field{margin-bottom:23px}.field>label,.label-row label,.field legend,.style-fieldset legend{display:block;font-size:12px;font-weight:650;margin-bottom:10px}.label-row{display:flex;align-items:baseline;justify-content:space-between}.char-count{font-size:10px;font-variant-numeric:tabular-nums;color:#96998d}.char-count.over-limit{color:var(--danger)}textarea,input[type=text],input[type=url],input[type=password],input[type=number],select{width:100%;border:1px solid #dfe1d4;background:#fbfcf8;border-radius:9px;padding:12px 13px;transition:border-color .15s,box-shadow .15s;line-height:1.55}textarea{resize:vertical;min-height:70px;font-size:14px}#text{font-size:18px;font-weight:550;letter-spacing:.3px;min-height:90px}textarea:focus,input:focus,select:focus{outline:none;border-color:#7f9250;box-shadow:0 0 0 3px #cbd8aa40}textarea::placeholder,input::placeholder{color:#a6a99c;font-size:12px;font-weight:400}.field-help{font-size:10px;line-height:1.7;color:#898d7f;margin-top:7px}.field-error{font-size:11px;color:var(--danger);line-height:1.7;margin-top:7px}.form-error{margin-bottom:12px;padding:10px 12px;background:#fff4f1;border-radius:8px}.style-fieldset{border:0;margin:0 0 23px;padding:0;min-width:0}.style-options{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.style-option{position:relative;cursor:pointer}.style-option input{position:absolute;opacity:0;width:1px;height:1px}.style-option>span{display:flex;flex-direction:column;gap:6px;padding:12px 3px;border:1px solid var(--line);border-radius:9px;text-align:center;transition:background .15s,border-color .15s}.style-option strong{font-size:11px;font-weight:650}.style-option small{font-size:9px;color:#969b89}.style-option input:checked+span{background:#f3f8e6;border-color:#9fae75}.style-option input:checked+span small{color:#687647}.style-option input:focus-visible+span{outline:3px solid #7b9229;outline-offset:3px}.ai-box{background:#f6f7f1;border:1px solid #e9ebdf;border-radius:11px;padding:15px}.ai-heading{display:flex;align-items:center;justify-content:space-between}.ai-heading>label{font-size:12px;font-weight:650}.ai-heading>label>span{margin-right:5px;font-size:14px}.switch{position:relative;display:block;width:31px;height:18px}.switch input{position:absolute;opacity:0;width:1px;height:1px}.switch>span{display:block;width:31px;height:18px;border-radius:20px;background:#d3d7c9;transition:background .2s}.switch>span:after{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:white;left:3px;top:3px;box-shadow:0 1px 2px #0002;transition:transform .2s}.switch input:checked+span{background:#839c44}.switch input:checked+span:after{transform:translateX(13px)}.switch input:focus-visible+span{outline:3px solid #7b9229;outline-offset:3px}.ai-box textarea{margin-top:11px;background:#fff;border-color:#e0e3d6;min-height:68px;font-size:12px;line-height:1.7}.ai-box textarea:disabled{opacity:.55;resize:none}.more-options{margin-top:19px;border-top:1px solid var(--line)}.more-options summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:17px 0;cursor:pointer;font-size:11px;color:#717666}.more-options summary::-webkit-details-marker{display:none}.summary-plus{font-size:18px;font-weight:300;transition:transform .2s}.more-options[open] .summary-plus{transform:rotate(45deg)}.details-inner{padding:3px 0 4px}.details-inner .field{margin-bottom:15px}.details-inner input,.details-inner select{font-size:12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 20px;border-radius:10px;font-size:12px;font-weight:650;transition:background .18s,transform .18s,opacity .18s;line-height:1.4}.button:hover:not(:disabled):not([aria-disabled=true]){transform:translateY(-1px)}.button:disabled,.button[aria-disabled=true]{opacity:.55}.button-primary{background:var(--accent);color:#232a0e}.button-primary:hover:not(:disabled){background:#c6e742}.generate-button{width:100%;font-size:13px;padding:16px;margin-top:2px}.button-sparkle{font-size:17px}.button-arrow{font-size:19px;margin-left:auto}.generate-button #generate-label{margin-right:auto}.privacy-note{text-align:center;font-size:9px;color:#999d90;margin-top:12px}.generation-state{margin-top:16px}.progress-label{display:flex;gap:10px;justify-content:space-between;align-items:start;font-size:10px;color:#757d65}.cancel-button{background:transparent;padding:0;color:#777e6c;text-decoration:underline;font-size:10px;flex-shrink:0}progress{width:100%;height:4px;appearance:none;border:none;display:block;margin-top:10px;border-radius:8px;overflow:hidden;background:#e8ecd9}progress::-webkit-progress-bar{background:#e8ecd9}progress::-webkit-progress-value{background:#8ca546;transition:width .4s}progress::-moz-progress-bar{background:#8ca546}.preview-panel{overflow:hidden;padding:25px 25px 0}.preview-toolbar{display:flex;justify-content:space-between;align-items:center}.preview-size{font-size:10px;color:#929787;letter-spacing:1px}.preview-tabs{display:flex;gap:3px;background:#f0f2e9;padding:3px;width:fit-content;border-radius:8px;margin:22px auto 19px}.preview-tabs button{padding:9px 18px;border-radius:6px;background:transparent;font-size:10px;color:#858c78}.preview-tabs button[aria-selected=true]{background:#fff;color:#333b25;box-shadow:0 1px 4px #303d1b0c}.preview-tabs button span{margin-left:3px}.image-stage{position:relative;aspect-ratio:1;display:grid;align-items:center;background-color:#f0f1eb;background-image:radial-gradient(#dfe2d5 .8px,transparent .8px);background-size:12px 12px;border-radius:10px;border:1px solid #e4e7db;overflow:hidden}.view-front{padding:19px;width:100%}.view-front img{background:#fff;box-shadow:0 4px 22px #434f2814;width:100%;height:auto;aspect-ratio:1;object-fit:contain}.view-angle{height:100%;display:grid;place-items:center;padding:30px 18px}.angle-preview-frame{width:100%;text-align:center}.angle-preview-label{font-size:10px;display:block;color:#828975;letter-spacing:.5px;margin-bottom:35px}.angle-preview-frame img{width:100%;height:auto;box-shadow:0 4px 20px #525d2820;background:white}.angle-preview-frame p{font-size:10px;line-height:1.8;color:#8a917d;max-width:280px;margin:35px auto 0}.preview-caption{display:flex;align-items:center;gap:7px;font-size:10px;color:#8a9080;padding:14px 2px}.status-dot{width:5px;height:5px;border-radius:50%;background:#a1b46b;flex:none}.file-type{font-size:9px;margin-left:auto;letter-spacing:1px}.preview-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:20px 0}.preview-actions p{font-size:10px;color:#848b79}.preview-actions p span{margin-right:5px;font-size:14px}.button-download{background:#282e21;color:#fff;font-size:11px;padding:12px 17px}.button-download:hover{background:#3b442e}.result-notice{font-size:11px;line-height:1.65;color:#7a744c;background:#faf8ed;border:1px solid #eee8c8;border-radius:8px;padding:11px;margin-bottom:15px}.render-overlay{position:absolute;inset:0;background:#f8faf2ed;display:flex;align-items:center;justify-content:center;flex-direction:column;backdrop-filter:blur(8px);gap:14px}.render-overlay strong{font-size:14px;font-weight:550}.render-overlay>span:last-child{font-size:11px;color:#899279}.render-orbit{height:38px;width:38px;border:2px solid #dfe7cd;border-top-color:#788b4b;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:8px}@keyframes spin{to{transform:rotate(360deg)}}.how-section{margin-top:65px;padding:38px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:390px 1fr;gap:22px}.how-intro h2{font-size:21px;letter-spacing:-.5px;font-weight:550;margin:14px 0 11px}.how-intro>p:last-child{font-size:11px;color:#8a8f7e;line-height:1.8}.how-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:0;padding:0;align-items:center}.how-steps li{display:flex;flex-direction:column;gap:16px}.how-steps li>span{width:25px;height:25px;display:grid;place-items:center;border:1px solid #dce1ce;border-radius:50%;font-size:9px;color:#79876a}.how-steps strong{font-size:11px;font-weight:600}.how-steps p{font-size:10px;color:#89917d;line-height:1.8;margin-top:8px}.site-footer{padding:22px 0 28px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#969b89;line-height:1.6}.site-footer>span{letter-spacing:.3px}.footer-dot{margin:0 9px}.site-footer a{color:#8d957e;font-size:10px}.site-footer a span{margin-left:5px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);padding:14px 22px;border-radius:12px;background:#252b21;color:#fff;font-size:12px;box-shadow:0 10px 40px #0002;max-width:min(460px,calc(100vw - 30px));z-index:50;line-height:1.6}.skip-link{position:absolute;top:-70px;left:20px;padding:12px;background:var(--accent);z-index:100}.skip-link:focus{top:12px}.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}
/* Effect selection and flexible output formats. */
#text-help{color:#2463ce;font-weight:500}
.style-option>span{padding:12px 6px 11px;gap:6px;overflow:hidden;position:relative;background:#fcfcf9;height:100%}
.style-option strong{font-size:12px;letter-spacing:.3px}
.style-option small{font-size:10px;color:#747a68;line-height:1.5}
.style-option input:checked+span{background:#f4f8e8;border-color:#859a4e;box-shadow:inset 0 0 0 1px #859a4e}
.style-option input:checked+span:after{content:'✓';position:absolute;right:5px;top:4px;width:15px;height:15px;border-radius:50%;background:#657e31;color:#fff;font-size:10px;display:grid;place-items:center}
.style-option input:disabled+span{opacity:.55;cursor:wait}
.effect-texture{height:27px;width:52px;display:block;margin:2px auto 5px;border-radius:3px;opacity:.7;background-color:#fff}
.texture-balanced{background-image:repeating-linear-gradient(0deg,transparent 0 3px,#525944 3px 4px,transparent 4px 7px),repeating-linear-gradient(90deg,transparent 0 12px,#525944 12px 13px,transparent 13px 19px)}
.texture-hidden{background-image:repeating-linear-gradient(0deg,#525944 0 1px,transparent 1px 3px,#525944 3px 4px,transparent 4px 7px),repeating-linear-gradient(90deg,transparent 0 5px,#525944 5px 6px,transparent 6px 9px)}
.texture-clear{background-image:repeating-linear-gradient(0deg,transparent 0 6px,#303727 6px 8px,transparent 8px 10px),repeating-linear-gradient(90deg,transparent 0 20px,#525944 20px 21px,transparent 21px 30px)}
.effect-description{font-size:11px;line-height:1.8;color:#65714f;background:#f7f9f2;border-left:2px solid #bbc99a;border-radius:0 6px 6px 0;padding:9px 11px;margin-top:10px;min-height:58px}
.format-settings{margin-bottom:22px}
.format-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:10px}
.format-grid .field{margin-bottom:0;min-width:0}
.format-grid select{font-size:11px;padding:10px 8px;min-height:42px}
#size-help{font-variant-numeric:tabular-nums;margin-top:8px}
.image-stage .view-front{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0}
.image-stage .view-front img{width:auto;height:auto;max-width:100%;max-height:100%;aspect-ratio:auto;object-fit:contain}
.preview-size{letter-spacing:0;line-height:1.6;text-align:right;font-variant-numeric:tabular-nums;max-width:48%}
.preview-caption>span:nth-child(2){min-width:0;overflow-wrap:anywhere}
@media(min-width:1051px){.preview-panel{position:sticky;top:24px}}
/* Settings use the same quiet visual language as the editor. */
.admin-wrap{width:min(850px,calc(100% - 48px));margin:45px auto 60px}.admin-intro{margin-bottom:27px}.admin-intro h1{font-size:32px;letter-spacing:-1px;margin:12px 0}.admin-intro>p:last-child{font-size:12px;line-height:1.8;color:#848b76}.admin-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-top:20px}.admin-card h2{font-size:16px;font-weight:600;margin-bottom:8px}.admin-card .card-subtitle{font-size:11px;color:#8a917d;margin-bottom:23px;line-height:1.7}.login-card{max-width:430px;margin:30px auto 70px}.login-card .button{width:100%}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.admin-grid .full{grid-column:1/-1}.admin-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}.button-secondary{background:#eff1e7;color:#535f3f}.admin-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px}.admin-toolbar h2{margin:0;font-size:14px}.admin-toolbar button{background:none;font-size:11px;color:#8b937e;text-decoration:underline}.setting-toggle{display:flex;gap:14px;align-items:center;margin-bottom:17px;padding:13px;background:#f7f8f2;border-radius:9px}.setting-toggle input{accent-color:#718f35;width:16px;height:16px;flex:none}.setting-toggle strong{display:block;font-size:12px;font-weight:600;margin-bottom:5px}.setting-toggle small{display:block;font-size:10px;line-height:1.6;color:#869077}.admin-status{margin-top:16px;padding:12px 14px;background:#f0f6e7;color:#667d45;font-size:11px;line-height:1.7;border-radius:8px}.admin-status.error{background:#fff3ef;color:#a45540}.key-status{font-size:10px;color:#758760;background:#f1f5e8;border-radius:5px;padding:3px 7px}.security-note{font-size:10px;color:#8c947e;line-height:1.8;margin-top:17px}.admin-card input,.admin-card select{font-size:13px}.admin-card .field{margin-bottom:20px}.password-field{position:relative}.password-field input{padding-right:62px}.reveal-button{position:absolute;right:11px;top:50%;transform:translateY(-50%);background:transparent;font-size:10px;color:#8b927e;padding:5px}.password-hint{font-size:10px;color:#879377}.admin-back{font-size:12px;color:#758064}.checkbox-line{display:flex;gap:7px;align-items:center;font-size:11px;color:#7a8769}.admin-login-error{margin-bottom:15px}.admin-loading{padding:50px;text-align:center;font-size:12px;color:#8c947e}.admin-settings-header{margin:15px 0 5px}
@media(min-width:1400px){.wrap{max-width:1240px}.hero{padding-top:66px}.studio{grid-template-columns:410px minmax(0,1fr)}.editor-panel{padding:30px}.how-section{grid-template-columns:410px 1fr}.preview-panel{padding:27px 27px 0}}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.studio{grid-template-columns:350px minmax(0,1fr);gap:18px}.editor-panel{padding:22px}.preview-panel{padding:22px 19px 0}.how-section{grid-template-columns:320px 1fr;gap:26px}.hero{padding-top:45px}.hero-aside{max-width:260px}.preview-actions p{max-width:120px;line-height:1.8}.view-front{padding:14px}.how-steps{gap:14px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.site-header{height:82px}.hero{padding:35px 0;gap:20px}.hero-aside{max-width:230px}.hero-aside p{font-size:11px}.hero-tag{font-size:9px}.hero-aside .angle-icon{font-size:35px}.eyebrow{font-size:8px;letter-spacing:1.7px}h1{font-size:40px;letter-spacing:-1.5px}.studio{grid-template-columns:310px minmax(0,1fr);gap:14px}.editor-panel{padding:19px 17px}.preview-panel{padding:20px 13px 0}.preview-toolbar .panel-heading{gap:7px}.preview-toolbar h2{font-size:13px}.preview-tabs button{padding:8px 10px;font-size:9px}.preview-actions{flex-direction:column;align-items:stretch;gap:10px}.preview-actions p{text-align:center;max-width:100%}.view-front{padding:9px}.preview-size{font-size:9px}.how-section{grid-template-columns:1fr;gap:25px;margin-top:40px}.how-steps{gap:25px}.how-steps li{flex-direction:row;gap:12px}.how-steps li>span{flex:none}.header-right{gap:18px}}
@media(max-width:640px){.wrap{width:calc(100% - 32px)}.site-header{height:75px}.brand-mark{width:35px;height:35px;border-radius:10px;font-size:23px}.brand-word{font-size:20px;gap:9px}.brand-cn{font-size:10px;letter-spacing:1px;padding-left:9px}.header-right .connection{display:none}.text-link{font-size:11px}.hero{padding:32px 0 28px}.hero h1{font-size:37px;line-height:1.3;margin-top:16px}.hero-aside{max-width:138px;align-self:flex-end}.hero-aside .angle-icon{font-size:30px;margin-bottom:8px}.hero-aside p{font-size:10px;line-height:1.8}.hero-tag{display:none}.hero .eyebrow{font-size:7px;letter-spacing:1px}.studio{display:flex;flex-direction:column;gap:18px}.editor-panel,.preview-panel{width:100%;border-radius:17px}.editor-panel{padding:23px}.preview-panel{padding:23px 17px 0}.preview-toolbar h2{font-size:15px}.panel-heading h2{font-size:15px}#generate-form{margin-top:24px}.field{margin-bottom:22px}.style-option>span{padding:13px 5px}.style-option strong{font-size:12px}.style-option small{font-size:10px}.field-help{font-size:11px}.ai-box textarea{font-size:13px}.privacy-note{font-size:10px}.preview-tabs{margin-top:21px}.preview-tabs button{font-size:11px;padding:10px 18px}.view-front{padding:15px}.preview-actions{flex-direction:row;align-items:center;padding:19px 0;gap:10px}.preview-actions p{text-align:left;font-size:10px}.button-download{font-size:11px}.preview-caption{font-size:10px}.how-section{margin-top:36px;padding:28px 3px}.how-intro h2{font-size:21px;margin-top:12px}.how-steps{grid-template-columns:1fr;gap:22px}.how-steps li{align-items:center;gap:15px}.how-steps li>span{width:29px;height:29px;font-size:10px}.how-steps strong{font-size:12px}.how-steps p{font-size:11px;margin-top:4px}.site-footer{font-size:9px;gap:15px;align-items:start}.site-footer a{font-size:9px;white-space:nowrap}.footer-dot{margin:0 5px}.admin-wrap{width:calc(100% - 32px);margin-top:30px}.admin-grid{grid-template-columns:1fr;gap:0}.admin-grid .full{grid-column:auto}.admin-card{padding:23px 20px}.admin-intro h1{font-size:27px}.admin-actions .button{flex:1}.admin-toolbar{align-items:start}.login-card{margin-bottom:40px}}
@media(max-width:360px){.brand-cn{display:none}.hero-aside{display:none}.hero h1{font-size:38px}.editor-panel{padding:20px 17px}.preview-actions p{max-width:118px;line-height:1.7}.button-download{padding:11px 13px}.site-footer{flex-direction:column;gap:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}