:root{--ink:#15243b;--ink-2:#2d3d55;--paper:#f7f3eb;--cream:#eee5d6;--white:#fff;--red:#b54b3f;--gold:#ba8a4c;--line:#d8d3c9;--muted:#6e737b;--green:#2f7562;--shadow:0 20px 60px #15243b1f;color:var(--ink);background:var(--paper);font-synthesis:none;font-family:Noto Sans TC,PingFang TC,Microsoft JhengHei,system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);min-width:320px;margin:0;line-height:1.65}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}.skip-link{background:var(--ink);color:#fff;z-index:99;padding:10px 16px;position:fixed;top:-60px;left:16px}.skip-link:focus{top:10px}.site-header{z-index:20;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f7f3ebf2;border-bottom:1px solid #15243b1a;align-items:center;gap:38px;height:82px;padding:0 max(24px,5vw);display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;margin-right:auto;display:flex}.brand-mark{border:1px solid var(--ink);place-items:center;width:40px;height:40px;font:italic 600 25px Georgia,serif;display:grid;position:relative}.brand-mark:after{content:"";background:var(--red);border-radius:50%;width:6px;height:6px;position:absolute;top:-3px;right:-3px}.brand strong,.brand small{display:block}.brand strong{letter-spacing:.17em;font-size:15px}.brand small{letter-spacing:.13em;color:var(--muted);font:10px/1.4 Georgia,serif}nav{gap:30px;font-size:14px;display:flex}nav a{position:relative}nav a:after{content:"";background:var(--red);height:1px;transition:all .2s;position:absolute;bottom:-7px;left:0;right:100%}nav a:hover:after{right:0}.button,.button-secondary{letter-spacing:.04em;cursor:pointer;border:0;border-radius:0;justify-content:center;align-items:center;gap:16px;min-height:50px;padding:13px 24px;font-weight:700;transition:transform .2s,background .2s,opacity .2s;display:inline-flex}.button{background:var(--ink);color:#fff;box-shadow:0 9px 24px #15243b29}.button:hover:not(:disabled){background:#203858;transform:translateY(-2px)}.button:disabled,.button-secondary:disabled{opacity:.45;cursor:not-allowed}.button-secondary{color:var(--ink);border:1px solid var(--ink);background:0 0}.button-secondary:hover:not(:disabled){background:#15243b0f}.button-small{min-height:42px;padding:9px 19px;font-size:13px}.button-wide{width:100%}.hero{grid-template-columns:minmax(0,1fr) minmax(420px,.92fr);align-items:center;gap:7vw;min-height:700px;padding:70px max(30px,9vw) 90px;display:grid;overflow:hidden}.hero-copy{max-width:650px}.eyebrow{color:var(--red);letter-spacing:.2em;margin:0 0 18px;font:700 12px/1.4 Arial,sans-serif}.hero h1{letter-spacing:-.045em;margin:0 0 28px;font:400 clamp(47px,6vw,83px)/1.09 Georgia,Noto Serif TC,serif}.hero h1 em{color:var(--red);font-weight:400}.hero-lead{color:var(--ink-2);max-width:580px;font-size:18px}.hero-actions{align-items:center;gap:28px;margin-top:38px;display:flex}.text-link{font-size:14px;font-weight:700}.text-link span{color:var(--red);margin-left:8px}.trust-list{color:var(--muted);gap:26px;margin:46px 0 0;padding:0;font-size:13px;list-style:none;display:flex}.trust-list li:before{content:"✓";color:var(--green);margin-right:8px;font-weight:800}.hero-art{max-width:570px;height:580px;position:relative}.paper{box-shadow:var(--shadow);background:#fcfbf7;border:1px solid #dedbd2;position:absolute}.paper-back{background:#e8dece;inset:18px 35px 40px 40px;transform:rotate(7deg)}.paper-front{padding:28px;inset:0 65px 20px 0;transform:rotate(-2deg)}.paper-front:before{content:"";pointer-events:none;border:1px solid #15243b2e;position:absolute;inset:14px}.paper svg{width:100%;height:100%}.paper svg path{fill:none;stroke:var(--ink);stroke-width:2.2px}.paper svg .dash{stroke-dasharray:7 6;stroke-width:1px}.paper svg .accent{stroke:var(--red)}.paper svg .measure-lines{stroke:var(--gold);stroke-width:1px}.paper svg text{letter-spacing:2px;fill:var(--muted);font:10px Arial}.paper-label{letter-spacing:.2em;font:9px Arial;position:absolute;bottom:18px;left:28px}.measure-chip{background:var(--ink);color:#fff;align-items:center;gap:18px;padding:11px 16px;font-size:12px;display:flex;position:absolute;box-shadow:0 12px 30px #15243b2e}.measure-chip span{color:#c9d0db}.measure-chip strong{font:14px Georgia}.chip-a{top:145px;left:-38px}.chip-b{background:var(--red);bottom:75px;right:5px}.notice-wrap{padding:0 max(30px,9vw)}.service-notice{border-left:3px solid var(--gold);background:#fff4dc;max-width:1240px;margin:0 auto 28px;padding:13px 18px;font-size:14px}.section{padding:105px max(30px,8vw)}.customizer{background:#fff}.section-heading{text-align:center;max-width:680px;margin:0 auto 48px}.section-heading.left{text-align:left;margin-left:0}.section-heading h2{letter-spacing:-.03em;margin:0 0 16px;font:400 clamp(34px,4.5vw,54px)/1.15 Georgia,Noto Serif TC,serif}.section-heading>p:last-child{color:var(--muted)}.workspace{border:1px solid var(--line);max-width:1240px;box-shadow:var(--shadow);grid-template-columns:minmax(330px,.74fr) minmax(420px,1.26fr);margin:auto;display:grid}.measure-panel,.preview-panel{padding:38px}.measure-panel{background:var(--paper);border-right:1px solid var(--line)}.panel-head{align-items:flex-start;gap:15px;margin-bottom:28px;display:flex}.panel-head .step{color:var(--red);padding-top:2px;font:italic 20px Georgia}.panel-head h3{margin:0;font:400 24px Georgia,Noto Serif TC,serif}.panel-head p{color:var(--muted);margin:3px 0;font-size:13px}.measure-panel>label,.auth-form label{gap:7px;margin-bottom:18px;font-size:13px;font-weight:700;display:grid}.measure-panel input,.auth-form input{width:100%;color:var(--ink);background:#fff;border:1px solid #c9c5bc;outline:none;padding:12px 14px;transition:border .2s,box-shadow .2s}.measure-panel input:focus,.auth-form input:focus{border-color:var(--ink);box-shadow:0 0 0 3px #15243b14}.field-grid{grid-template-columns:1fr 1fr;gap:0 14px;display:grid}.field-grid label{margin-bottom:16px;font-size:13px;font-weight:700}.field-grid small{color:var(--muted);font-weight:400;display:block}.unit-field{background:#fff;border:1px solid #c9c5bc;margin-top:7px;display:flex}.unit-field:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px #15243b14}.unit-field input{border:0;box-shadow:none!important}.unit-field i{color:var(--muted);padding:12px 11px;font-style:normal}.form-hint{color:var(--muted);margin:-3px 0 21px;font-size:12px}.measure-panel .button-secondary{margin-top:10px}.preview-panel{background:#fdfcfa;flex-direction:column;min-height:590px;display:flex}.preview-empty{text-align:center;color:#9a9b99;flex:1;place-content:center;display:grid}.spool{color:#d7d1c6;font:60px Georgia}.preview-result{flex:1;grid-template-columns:1.1fr .9fr;gap:18px;display:grid}.preview-result article{border:1px solid var(--line);background:#fff;flex-direction:column;min-width:0;display:flex}.preview-result article header{border-bottom:1px solid var(--line);justify-content:space-between;padding:10px 13px;font-size:12px;display:flex}.preview-result article header span{color:var(--muted);letter-spacing:.12em;font:10px Arial}.preview-result img{object-fit:contain;width:100%;height:390px;padding:14px}.preview-footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;margin-top:18px;padding-top:13px;font-size:11px;display:flex}.account-section{background:var(--paper)}.account-grid{grid-template-columns:.75fr 1fr 1.15fr;gap:18px;max-width:1240px;margin:auto;display:grid}.account-card,.library-card{border:1px solid var(--line);background:#fff;min-height:380px;padding:28px}.tabs{border-bottom:1px solid var(--line);margin-bottom:25px;display:flex}.tab{cursor:pointer;color:var(--muted);background:0 0;border:0;border-bottom:2px solid #0000;flex:1;padding:12px 4px}.tab.active{border-color:var(--red);color:var(--ink);font-weight:700}.auth-form label{font-size:12px}.member-head{text-align:center;padding:30px 0}.member-head>span{background:var(--ink);color:#fff;border-radius:50%;place-items:center;width:75px;height:75px;margin:0 auto 17px;font:32px Georgia;display:grid}.member-head small,.member-head p{color:var(--muted)}.member-head h3{margin:3px 0;font:30px Georgia}.member-head p{word-break:break-all;font-size:12px}.card-title{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:16px;display:flex}.card-title small{letter-spacing:.16em;color:var(--red);font:9px Arial}.card-title h3{margin:2px 0;font:22px Georgia}.card-title>span{color:var(--muted);font-size:12px}.empty-state{color:var(--muted);text-align:center;place-items:center;min-height:185px;font-size:13px;display:grid}.saved-item,.order-item{border-bottom:1px solid #ece9e2;padding:12px 0}.saved-item-head,.order-item-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.saved-item strong,.order-item strong{font-size:13px}.saved-item p,.order-item p{color:var(--muted);margin:5px 0 0;font-size:11px}.row-actions{gap:6px;display:flex}.mini-button,.icon-button{border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;padding:5px 8px;font-size:11px}.mini-button:hover,.icon-button:hover{border-color:var(--ink)}.mini-button.danger{color:var(--red)}.icon-button{border:0;font-size:20px}.orders-card .button{margin-top:18px}.sales-status{text-align:center;color:var(--muted);font-size:11px}.badge{background:#eee;padding:3px 8px;font-size:10px;font-weight:700;display:inline-flex}.badge-paid{color:var(--green);background:#e8f5ef}.badge-pending{color:#906b25;background:#fff2d5}.badge-failed,.badge-cancelled{color:var(--red);background:#f8e7e4}.steps{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:1px;max-width:1100px;margin:0 auto;padding:0;list-style:none;display:grid}.steps li{background:var(--paper);padding:38px}.steps span{color:var(--red);font:italic 25px Georgia}.steps h3{margin:20px 0 10px;font:24px Georgia}.steps p{color:var(--muted);font-size:14px}.print-tip{background:var(--ink);color:#fff;align-items:center;gap:25px;max-width:1100px;margin:28px auto 0;padding:22px 28px;display:flex}.print-tip strong{white-space:nowrap;color:#e8c390}.print-tip p{color:#d1d7df;margin:0;font-size:13px}.faq{background:#fff;grid-template-columns:.7fr 1.3fr;gap:8vw;display:grid}.faq-list details{border-top:1px solid var(--line);padding:22px 2px}.faq-list details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;justify-content:space-between;font-weight:700;list-style:none;display:flex}summary:after{content:"＋";color:var(--red)}details[open] summary:after{content:"−"}.faq-list p{color:var(--muted);max-width:680px;font-size:14px}footer{background:var(--ink);color:#fff;text-align:center;padding:60px 24px}.footer-brand{justify-content:center;width:max-content;margin:0 auto 20px}.footer-brand .brand-mark{border-color:#fff}.footer-brand small{color:#aeb7c4}footer>p{color:#bcc4ce}.copyright{letter-spacing:.08em;margin-top:30px;font-size:10px}.toast{z-index:100;background:var(--ink);color:#fff;max-width:min(390px,100vw - 48px);box-shadow:var(--shadow);opacity:0;pointer-events:none;padding:14px 18px;transition:all .2s;position:fixed;bottom:24px;right:24px;transform:translateY(15px)}.toast.show{opacity:1;transform:none}.toast.error{background:#873c34}.reveal{animation:.7s both rise}@keyframes rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@media (width<=1000px){nav{display:none}.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{margin:auto}.hero-art{width:min(570px,100%);margin:auto}.workspace{grid-template-columns:1fr}.measure-panel{border-right:0;border-bottom:1px solid var(--line)}.account-grid{grid-template-columns:1fr 1fr}.orders-card{grid-column:1/-1}.faq{grid-template-columns:1fr}.faq .section-heading{margin-bottom:0}}@media (width<=680px){.site-header{height:68px;padding:0 18px}.site-header>.button{display:none}.brand-mark{width:35px;height:35px}.hero{padding:52px 22px 60px}.hero h1{font-size:44px}.hero-lead{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.trust-list{flex-direction:column;gap:7px}.hero-art{height:440px}.paper-front{right:25px}.measure-chip{display:none}.section{padding:75px 20px}.section-heading h2{font-size:38px}.measure-panel,.preview-panel{padding:26px 20px}.field-grid{grid-template-columns:1fr}.preview-panel{min-height:520px}.preview-result{grid-template-columns:1fr 1fr;gap:8px}.preview-result img{height:280px;padding:7px}.account-grid{grid-template-columns:1fr}.orders-card{grid-column:auto}.steps{grid-template-columns:1fr}.print-tip{flex-direction:column;align-items:flex-start;gap:5px}.faq{gap:20px}.preview-footer{gap:15px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{animation:none}.button,.toast{transition:none}}
