:root{
  --paper:#f3eee3;--paper-deep:#e8dfd0;--card:#fffdf8;--ink:#20302d;--muted:#6e7772;
  --line:#d9d0c1;--accent:#e36d43;--accent-dark:#bd4f2d;--teal:#327f78;--soft:#f8f4ec;
  --shadow:0 20px 60px rgba(50,45,36,.12);--radius:22px;--radius-sm:14px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(243,238,227,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(85,76,61,.12)}.header-inner{height:72px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;font-size:17px;font-weight:700;letter-spacing:-.02em;white-space:nowrap}.brand b{color:var(--accent)}.brand-mark{width:34px;height:34px;display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:5px;border:2px solid var(--ink);border-radius:9px;transform:rotate(-2deg)}.brand-mark i{display:block;border:1px solid var(--ink);border-radius:2px}.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.main-nav a{padding:9px 11px;border-radius:9px;font-size:14px;font-weight:650;color:#4f5d58}.main-nav a:hover,.main-nav a.active{background:rgba(255,253,248,.82);color:var(--ink)}.language-wrap{position:relative}.language-button{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:9px 12px;color:var(--ink);font-size:13px;font-weight:650}.language-button span{color:var(--teal);margin-right:5px}.language-button b{margin-left:4px}.language-menu{position:absolute;right:0;top:calc(100% + 8px);display:none;width:210px;max-height:360px;overflow:auto;padding:8px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.language-wrap.open .language-menu{display:grid}.language-menu a{padding:9px 10px;border-radius:8px;font-size:13px}.language-menu a:hover,.language-menu a.selected{background:var(--soft);font-weight:700}.nav-toggle{display:none;margin-left:auto;border:0;background:transparent;padding:8px}.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:4px 0}.hero{position:relative;overflow:hidden;padding:74px 0 58px;background:linear-gradient(180deg,#f5f0e7 0%,var(--paper) 100%)}.hero:before{content:"";position:absolute;inset:0;opacity:.22;background-image:linear-gradient(rgba(50,127,120,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(50,127,120,.22) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,#000,transparent 72%)}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);align-items:center;gap:70px}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.13em;font-size:11px;font-weight:800;color:var(--teal)}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(227,109,67,.12)}.hero h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(48px,6.2vw,82px);line-height:.96;letter-spacing:-.045em;margin:18px 0 22px;max-width:800px;font-weight:600}.hero-copy>p{font-size:18px;line-height:1.72;color:#5b6662;max-width:720px;margin:0}.hero-points{display:flex;flex-wrap:wrap;gap:14px 22px;margin-top:28px;font-size:13px;font-weight:700;color:#56625e}.hero-points span:before{color:var(--teal)}.hero-art{height:410px;position:relative}.paper-card{position:absolute;width:320px;height:360px;right:30px;top:16px;background:#fffdf7;border:1px solid #ded4c4;border-radius:7px;box-shadow:0 28px 70px rgba(48,43,35,.18)}.paper-back{transform:rotate(7deg) translate(22px,-3px);background:#e8dfd0}.paper-front{transform:rotate(-3deg);overflow:hidden;padding:22px}.portrait-shape{position:absolute;inset:45px 55px 30px;border-radius:48% 52% 45% 55%/39% 42% 58% 61%;background:radial-gradient(circle at 48% 31%,rgba(227,109,67,.55),transparent 17%),linear-gradient(155deg,rgba(50,127,120,.32),rgba(32,48,45,.11));filter:grayscale(.15)}.demo-grid-lines{position:absolute;inset:22px;background-image:linear-gradient(rgba(32,48,45,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(32,48,45,.55) 1px,transparent 1px);background-size:34.5px 39.5px;border:1px solid rgba(32,48,45,.55)}.coord{position:absolute;font-family:monospace;font-size:9px;background:var(--accent);color:white;padding:2px 5px;border-radius:3px}.c1{top:31px;left:31px}.c2{top:109px;left:101px}.c3{top:226px;left:206px}.hero-note{position:absolute;right:0;bottom:42px;padding:10px 15px;background:var(--ink);color:#fff;border-radius:7px;font-family:monospace;font-size:13px;transform:rotate(5deg)}.tool-wrap{position:relative;z-index:3;margin-top:12px;margin-bottom:56px}.tool-shell{background:var(--card);border:1px solid #d9d0c1;border-radius:26px;box-shadow:var(--shadow);overflow:hidden}.tool-topbar{min-height:67px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fbf8f1}.mode-switch{display:flex;padding:4px;border-radius:12px;background:#ebe5d9}.mode-btn{border:0;background:transparent;padding:9px 15px;border-radius:9px;color:#6d746f;font-size:13px;font-weight:750}.mode-btn span{margin-right:7px}.mode-btn.active{background:var(--card);color:var(--ink);box-shadow:0 2px 8px rgba(39,42,37,.08)}.tool-status{font-size:12px;color:#6d7771;display:flex;align-items:center;gap:8px}.status-dot{width:7px;height:7px;border-radius:50%;background:#66a66f;box-shadow:0 0 0 4px rgba(102,166,111,.12)}.editor-layout{display:grid;grid-template-columns:335px minmax(0,1fr);min-height:720px}.control-panel{border-right:1px solid var(--line);background:#fcfaf5}.control-scroll{height:720px;overflow-y:auto}.control-group{padding:22px 20px;border-bottom:1px solid var(--line)}.group-heading{display:flex;gap:11px;align-items:flex-start;margin-bottom:17px}.group-heading>span{width:27px;height:27px;border-radius:8px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:10px;font-weight:800}.group-heading h3{font-size:14px;margin:0;letter-spacing:.01em}.group-heading p{font-size:11px;color:#87908b;margin:1px 0 0}.control-group label{display:grid;gap:7px;margin-top:12px}.control-group label>span{font-size:11px;font-weight:800;color:#6a756f;text-transform:uppercase;letter-spacing:.06em}.control-group input[type=number],.control-group select{width:100%;border:1px solid var(--line);background:#fffdf8;border-radius:10px;padding:10px 11px;color:var(--ink);outline:none}.control-group input:focus,.control-group select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(50,127,120,.08)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px}.color-input{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;background:white;padding:4px}.range-row>span{display:flex;justify-content:space-between;align-items:center}.range-row output{font-weight:700;color:var(--ink);letter-spacing:0;text-transform:none}.range-row input[type=range]{width:100%;accent-color:var(--teal)}.upload-box{display:flex!important;align-items:center!important;text-align:left;gap:10px!important;padding:14px;border:1px dashed #bfb5a5;border-radius:12px;background:#fffdf8;cursor:pointer;margin:0!important}.upload-box input{display:none}.upload-icon{width:37px;height:37px;display:grid;place-items:center;border-radius:10px;background:var(--paper);font-size:21px;color:var(--accent)}.upload-box strong{font-size:13px}.upload-box small{font-size:10px;color:#8b918d;margin-left:auto}.image-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:10px}.mini-btn,.ghost-btn,.export-btn,.presets button{border:1px solid var(--line);background:#fffdf8;color:var(--ink);border-radius:9px;padding:8px 9px;font-size:11px;font-weight:750}.mini-btn:hover,.ghost-btn:hover,.export-btn:hover,.presets button:hover{border-color:#aea492;background:#f8f4ec}.presets{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.presets button{padding:6px 9px}.toggle-row{display:flex!important;align-items:center;justify-content:space-between;gap:12px;position:relative}.toggle-row>span{display:grid!important;text-transform:none!important;letter-spacing:0!important}.toggle-row strong{font-size:12px;color:var(--ink)}.toggle-row small{font-size:10px;color:#8a928e;font-weight:500}.toggle-row input{position:absolute;opacity:0}.toggle-row i{position:relative;width:39px;height:22px;border-radius:999px;background:#d7d0c5;flex:0 0 auto;transition:.2s}.toggle-row i:after{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;border-radius:50%;background:white;box-shadow:0 1px 4px rgba(0,0,0,.2);transition:.2s}.toggle-row input:checked+i{background:var(--teal)}.toggle-row input:checked+i:after{transform:translateX(17px)}.preview-panel{min-width:0;background:#f0ece3;display:flex;flex-direction:column}.preview-toolbar{height:61px;display:flex;justify-content:space-between;align-items:center;padding:0 18px;background:#fbf8f1;border-bottom:1px solid var(--line)}.preview-toolbar>div:first-child{display:flex;align-items:center;gap:10px}.preview-toolbar strong{font-size:12px}.preview-toolbar span{font-size:10px;color:#8b928d;font-family:monospace}.canvas-stage{position:relative;flex:1;min-height:560px;display:grid;place-items:center;padding:26px;overflow:hidden;background-color:#e7e1d6;background-image:linear-gradient(45deg,#ded7cb 25%,transparent 25%),linear-gradient(-45deg,#ded7cb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ded7cb 75%),linear-gradient(-45deg,transparent 75%,#ded7cb 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.canvas-stage canvas{display:none;max-width:100%;max-height:540px;width:auto;height:auto;background:white;box-shadow:0 10px 30px rgba(50,45,36,.16);touch-action:none}.canvas-stage.has-canvas canvas{display:block}.empty-state{text-align:center;max-width:330px;padding:30px}.canvas-stage.has-canvas .empty-state{display:none}.empty-grid{width:78px;height:78px;margin:0 auto 16px;display:block;border:2px solid #58635e;border-radius:8px;background-image:linear-gradient(#58635e 1px,transparent 1px),linear-gradient(90deg,#58635e 1px,transparent 1px);background-size:19px 19px;opacity:.55}.empty-state strong{display:block;font-family:Georgia,serif;font-size:22px}.empty-state p{font-size:12px;color:#747d79;margin:8px 0 16px}.primary-btn{display:inline-flex;align-items:center;justify-content:center;border:0;background:var(--accent);color:#fff;border-radius:10px;padding:11px 16px;font-weight:800;font-size:12px;box-shadow:0 8px 18px rgba(227,109,67,.22)}.primary-btn:hover{background:var(--accent-dark)}.export-bar{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 18px;background:#fbf8f1;border-top:1px solid var(--line)}.export-copy{display:grid}.export-copy strong{font-size:12px}.export-copy span{font-size:10px;color:#89918d}.export-actions{display:flex;flex-wrap:wrap;gap:7px}.export-btn{padding:9px 12px}.export-btn:not(.secondary){background:var(--ink);color:white;border-color:var(--ink)}.trust-strip{padding:22px 0 66px}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #d8cfbf;border-bottom:1px solid #d8cfbf}.trust-grid>div{padding:24px 28px;border-right:1px solid #d8cfbf}.trust-grid>div:last-child{border-right:0}.trust-grid span{font-size:10px;font-weight:800;color:var(--accent);letter-spacing:.12em}.trust-grid strong{display:block;font-size:14px;margin:3px 0}.trust-grid small{display:block;color:#79817d;font-size:11px;line-height:1.6}.content-section{padding:50px 0 80px}.narrow-copy{max-width:860px}.content-section h2,.section-head h2,.faq-intro h2{font-family:Georgia,"Times New Roman",serif;font-size:clamp(34px,4vw,54px);line-height:1.05;letter-spacing:-.035em;font-weight:600;margin:12px 0 22px}.narrow-copy p{font-size:17px;color:#5f6965;line-height:1.85}.how-section,.method-section,.use-section,.related-section,.faq-section{padding:76px 0;border-top:1px solid rgba(117,104,83,.18)}.section-head{max-width:700px;margin-bottom:36px}.section-head p{color:#6f7974}.how-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.how-card{min-height:220px;padding:22px;border:1px solid #d9d0c1;background:rgba(255,253,248,.55);border-radius:16px}.how-card>span,.method-card>span{font-family:monospace;color:var(--accent);font-size:11px;font-weight:800}.how-card h3{font-size:16px;margin:34px 0 8px}.how-card p,.use-grid p,.related-card p,.method-card p{color:#737d78;font-size:12px;line-height:1.7}.method-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.method-card{border-top:2px solid var(--ink);padding:18px 6px}.use-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.use-grid article{padding:4px 6px}.use-icon{width:58px;height:58px;border:1px solid #cfc5b5;border-radius:14px;display:grid;place-items:center;background:#fffdf8}.use-icon span{width:30px;height:30px;border:1px solid var(--teal);background-image:linear-gradient(var(--teal) 1px,transparent 1px),linear-gradient(90deg,var(--teal) 1px,transparent 1px);background-size:10px 10px}.use-grid h3{font-size:15px;margin:14px 0 5px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-card{display:grid;grid-template-columns:auto 1fr auto;align-items:start;gap:13px;padding:18px;border:1px solid #d9d0c1;border-radius:15px;background:rgba(255,253,248,.55);transition:.2s}.related-card:hover{transform:translateY(-2px);background:#fffdf8;box-shadow:0 10px 24px rgba(50,45,36,.07)}.related-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--ink);color:white}.related-card h3{font-size:14px;margin:1px 0 4px}.related-card p{margin:0}.related-card>b{color:var(--accent)}.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.faq-list details{border-top:1px solid #d2c8b8;padding:17px 0}.faq-list details:last-child{border-bottom:1px solid #d2c8b8}.faq-list summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:15px;font-weight:750;font-size:14px;cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-size:20px;color:var(--accent);transition:.2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list p{color:#6d7772;font-size:13px;line-height:1.75;margin:12px 35px 2px 0}.site-footer{background:#1f2d2a;color:#dce2df;padding:60px 0 20px}.footer-grid{display:grid;grid-template-columns:1.7fr .7fr .7fr;gap:60px}.footer-brand{color:#fff}.site-footer .brand-mark{border-color:#fff}.site-footer .brand-mark i{border-color:#fff}.site-footer p{color:#99a6a1;font-size:12px;max-width:420px}.site-footer h3{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#7f918b;margin:0 0 13px}.site-footer .footer-grid>div:nth-child(n+2){display:grid;align-content:start}.site-footer .footer-grid>div:nth-child(n+2) a{font-size:12px;padding:4px 0;color:#d7dfdc}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:#74857f;font-size:10px}.simple-page{padding:100px 0 120px;min-height:66vh}.simple-shell{max-width:840px}.simple-page h1{font-family:Georgia,serif;font-size:58px;line-height:1;margin:18px 0}.simple-lead{font-size:19px;color:#68736e}.simple-card{background:#fffdf8;border:1px solid #d9d0c1;border-radius:18px;padding:30px;margin-top:32px}.simple-card p{margin:0;color:#5f6965}.error-page{min-height:100vh;display:grid;place-items:center;text-align:center;padding:20px}.error-code{font-family:monospace;color:var(--accent);font-weight:800}.error-page h1{font-family:Georgia,serif;font-size:48px;margin:12px 0}.error-page p{color:#6d7772;margin-bottom:24px}
@media(max-width:1020px){.main-nav{display:none}.nav-toggle{display:block}.header-inner.menu-open .main-nav{display:flex;position:absolute;left:16px;right:16px;top:64px;flex-direction:column;align-items:stretch;padding:10px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.language-wrap{margin-left:0}.hero-grid{grid-template-columns:1fr}.hero-art{display:none}.editor-layout{grid-template-columns:290px minmax(0,1fr)}.how-grid,.use-grid{grid-template-columns:repeat(2,1fr)}.method-steps{grid-template-columns:repeat(3,1fr)}.faq-layout{grid-template-columns:1fr;gap:32px}.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.shell{width:min(100% - 22px,1180px)}.site-header{position:relative}.header-inner{height:64px;gap:10px}.brand{font-size:15px}.brand-mark{width:31px;height:31px}.language-button{font-size:0;padding:8px 9px}.language-button span,.language-button b{font-size:15px;margin:0}.hero{padding:46px 0 34px}.hero h1{font-size:46px}.hero-copy>p{font-size:15px}.hero-points{display:grid;gap:6px;margin-top:20px}.tool-wrap{width:100%;margin-top:0}.tool-shell{border-left:0;border-right:0;border-radius:0}.tool-topbar{padding:9px 10px}.tool-status{display:none}.mode-btn{padding:8px 11px}.editor-layout{display:flex;flex-direction:column;min-height:0}.control-panel{order:2;border-right:0;border-top:1px solid var(--line)}.control-scroll{height:auto;overflow:visible}.preview-panel{order:1}.preview-toolbar{height:52px;padding:0 12px}.canvas-stage{min-height:420px;padding:15px}.canvas-stage canvas{max-height:390px}.export-bar{align-items:flex-start;flex-direction:column;padding:12px}.export-actions{width:100%}.export-btn{flex:1}.trust-grid{grid-template-columns:1fr}.trust-grid>div{border-right:0;border-bottom:1px solid #d8cfbf;padding:18px 6px}.trust-grid>div:last-child{border-bottom:0}.content-section,.how-section,.method-section,.use-section,.related-section,.faq-section{padding:54px 0}.content-section h2,.section-head h2,.faq-intro h2{font-size:36px}.narrow-copy p{font-size:15px}.how-grid,.use-grid,.related-grid,.method-steps{grid-template-columns:1fr}.how-card{min-height:170px}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-bottom{flex-direction:column;gap:5px}.simple-page{padding:64px 0}.simple-page h1{font-size:42px}}