@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Libre+Caslon+Display&display=swap');
:root{--paper:#f9f7f1;--white:#fffefa;--ink:#233f33;--text:#414d43;--muted:#657064;--green:#314f3b;--sage:#dbe3d2;--line:#dce1d5;--peach:#e9b59b;--yellow:#e8c875;--error:#a5332a;--radius:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:'DM Sans',Arial,sans-serif;font-size:16px;line-height:1.6}h1,h2,h3,p{margin:0}h1,h2,.display{font-family:'Libre Caslon Display',Georgia,serif;font-weight:400;color:var(--ink);line-height:1.03}h1{font-size:clamp(46px,6vw,76px);letter-spacing:-1.5px}h2{font-size:clamp(32px,4vw,45px)}h3{color:var(--ink);font-size:19px;line-height:1.35;font-weight:600}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button,a,input,select,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #bd7645}a:hover{color:#527040}button,input,select,textarea{border-radius:8px}svg{display:block}button svg,a svg{width:18px;height:18px;flex-shrink:0}button{border:0}input,select,textarea{width:100%;background:var(--white);border:1px solid #bdc9bb;padding:10px 12px;min-height:46px;color:var(--ink)}input:focus,select:focus,textarea:focus{border-color:var(--green)}input[aria-invalid=true]{border-color:var(--error);background:#fff6f1}label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}small,.hint{font-size:12px;color:var(--muted);line-height:1.5}.skip-link{position:fixed;top:-80px;left:20px;padding:10px;background:var(--white);z-index:100}.skip-link:focus{top:10px}.container{max-width:1180px;margin:auto;padding:0 32px}.site-header{height:90px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:25px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:650;color:var(--ink);font-size:21px;letter-spacing:-.6px}.brand-mark{width:30px;height:30px;transform:rotate(-2deg)}.nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:500}.nav>a{padding:12px 0}.nav>a[aria-current=page]{color:var(--green);box-shadow:0 2px var(--green)}.project-nav{display:flex;gap:8px;align-items:center}.project-nav span{font-size:11px;background:var(--sage);padding:1px 6px;border-radius:4px}.btn{display:inline-flex;gap:8px;align-items:center;justify-content:center;min-height:45px;padding:10px 19px;border:1px solid transparent;font-size:14px;font-weight:600;transition:background .18s,transform .18s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--green);color:white}.btn-primary:hover{background:#416044;color:white}.btn-secondary{border-color:#bcc6b3;background:transparent;color:var(--ink)}.btn-secondary:hover{background:#e8ecdf}.btn-light{background:var(--white);color:var(--green)}.btn-quiet{padding:7px 11px;background:transparent;color:var(--ink)}.btn-danger{background:#a5332a;color:white}.eyebrow{font-size:11px;font-weight:650;letter-spacing:2px;text-transform:uppercase;color:#657553;display:flex;align-items:center;gap:10px}.eyebrow:before{content:'';width:23px;height:1px;background:currentColor}.hero{padding:70px 0 54px;display:grid;grid-template-columns:1.02fr 1fr;gap:75px;align-items:center}.hero-copy h1{margin:22px 0 23px}.hero-copy h1 em{font-style:italic;color:#647b51}.hero-copy>p{max-width:420px;font-size:16px;line-height:1.8;color:#5b665b}.hero-actions{display:flex;gap:10px;margin-top:29px;flex-wrap:wrap}.hero-note{display:flex;align-items:center;gap:7px;margin-top:21px;font-size:12px;color:var(--muted)}.hero-note svg{width:15px;height:15px}.hero-art{position:relative;min-height:374px;background:#e8eadf;border-radius:6px;padding:29px 47px 35px;background-image:radial-gradient(#6f7f5624 .7px,transparent .7px);background-size:5px 5px;isolation:isolate}.hero-art:after{content:'';position:absolute;border:1px dashed #afb9a3;inset:16px;z-index:-1;border-radius:3px}.hero-art .quilt-art{width:100%;height:320px;filter:drop-shadow(4px 9px 6px #2633221c);transform:rotate(-3deg)}.art-label{position:absolute;right:-18px;bottom:29px;background:var(--white);padding:11px 16px;border-radius:8px;box-shadow:0 6px 23px #33442e12;font-size:11px;line-height:1.6;display:flex;gap:10px;align-items:center;border:1px solid #dedfce}.art-label svg{width:24px;height:24px;color:#778b5d}.art-label strong{display:block;color:var(--ink);font-weight:600;font-size:13px}.trust-row{display:flex;justify-content:center;gap:68px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;font-size:12px;color:var(--muted)}.trust-row span{display:flex;align-items:center;gap:8px}.trust-row svg{width:16px;height:16px}.section{padding:62px 0}.section-title{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:27px}.section-title .eyebrow{margin-bottom:10px}.section-title>p{max-width:315px;color:var(--muted);font-size:13px}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{display:block;background:var(--white);border:1px solid var(--line);padding:25px 25px 20px;border-radius:var(--radius);transition:border-color .2s,transform .2s}.tool-card:hover{transform:translateY(-3px);border-color:#a6b79b;color:inherit}.tool-icon{width:45px;height:45px;margin-bottom:20px;border-radius:10px;display:flex;align-items:center;justify-content:center}.tool-icon svg{width:27px;height:27px}.tool-icon.sage{background:#e4eadc;color:#507343}.tool-icon.peach{background:#f5e1d5;color:#a66a47}.tool-icon.gold{background:#f2eacb;color:#857031}.tool-card p{color:var(--muted);font-size:13px;line-height:1.7;margin:10px 0 21px}.card-link{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:600;color:var(--green);border-top:1px solid #eceee5;padding-top:14px}.card-link svg{width:16px;height:16px}.workbench{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);margin-top:27px}.workbench-copy{padding:34px 38px}.workbench-copy h2{font-size:37px;margin:13px 0 16px}.workbench-copy p{font-size:14px;max-width:340px;color:var(--muted);margin-bottom:24px}.workbench-art{background:#dfe6d4;padding:34px;display:grid;place-items:center;position:relative}.workbench-art .quilt-art{width:220px;height:220px;transform:rotate(5deg)}.mini-stamp{position:absolute;bottom:22px;left:25px;background:var(--white);border:1px solid #c7d0bb;padding:8px 14px;border-radius:8px;font-size:11px;color:var(--ink)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.guide-card{border-top:1px solid #bdc8b4;padding-top:19px}.guide-card .eyebrow{font-size:10px;letter-spacing:1.3px;margin-bottom:11px}.guide-card h3{font-family:Georgia,serif;font-size:23px;font-weight:400;line-height:1.3}.guide-card p{font-size:13px;color:var(--muted);margin:12px 0}.guide-card .card-link{border:0;padding-top:5px}.site-footer{border-top:1px solid var(--line);padding:28px 0;margin-top:45px;font-size:12px;display:flex;align-items:start;justify-content:space-between;gap:25px;color:var(--muted)}.site-footer .brand{font-size:17px;margin-bottom:5px}.footer-links{display:flex;gap:23px;flex-wrap:wrap}.page-intro{padding:44px 0 29px}.breadcrumb{font-size:11px;color:var(--muted);margin-bottom:18px}.breadcrumb a{text-decoration:underline;text-underline-offset:3px}.page-intro h1{font-size:clamp(40px,5vw,58px);margin:12px 0 15px;letter-spacing:-.8px}.page-intro>p{max-width:690px;font-size:15px;line-height:1.8;color:var(--muted)}.workspace-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:10px 0 20px}.unit-toggle{display:inline-flex;background:#e9eddf;border-radius:9px;padding:4px;gap:4px}.unit-toggle button{background:transparent;color:#55654b;padding:7px 17px;min-height:38px;font-size:12px;font-weight:600}.unit-toggle button[aria-pressed=true]{background:var(--white);color:var(--ink);box-shadow:0 1px 5px #3b4b2320}.workspace-note{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}.workspace-note svg{width:15px;height:15px}.workspace{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:24px;align-items:start}.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:27px}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:10px}.panel-title h2{font-family:'DM Sans',sans-serif;font-size:18px;font-weight:600;line-height:1.4}.panel-title .tag{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:#637b50;background:#edf0e5;padding:3px 8px;border-radius:4px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field.full{grid-column:1/-1}.field-wrap{position:relative}.field-wrap input{padding-right:39px}.field-unit{position:absolute;right:13px;top:12px;color:var(--muted);font-size:13px;pointer-events:none}.field .hint{display:block;margin-top:5px}.form-divider{border:0;border-top:1px solid var(--line);margin:24px 0}.form-section-label{font-size:10px;font-weight:650;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:15px}.result-panel{position:sticky;top:20px}.result-hero{background:var(--green);color:#fff;padding:24px 27px;border-radius:12px}.result-hero .result-label{font-size:11px;text-transform:uppercase;letter-spacing:1.5px;opacity:.8}.result-number{font-family:'Libre Caslon Display',Georgia,serif;font-size:57px;line-height:1.12;margin:9px 0 4px}.result-number small{font-size:25px;color:#e0e7d7}.result-hero p{color:#e4ebdd;font-size:12px}.result-metrics{display:grid;grid-template-columns:1fr 1fr;gap:15px;border-bottom:1px solid var(--line);padding:20px 0}.metric-value{font-size:23px;font-weight:550;line-height:1.3;color:var(--ink)}.metric-label{color:var(--muted);font-size:11px;margin-top:4px}.result-visual{background:#f1f2e8;margin-top:19px;border-radius:10px;padding:15px;min-height:175px;display:grid;place-items:center}.result-visual svg{max-width:100%;max-height:220px}.result-caption{font-size:11px;text-align:center;color:var(--muted);margin-top:8px}.result-steps{font-size:12px;line-height:1.8;padding-left:17px;margin:17px 0}.result-steps li{padding-left:4px;margin-bottom:5px}.result-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:19px}.result-actions .btn{flex:1;white-space:nowrap;font-size:12px;padding:9px 12px}.info-note{padding:12px 14px;margin-top:18px;background:#eef2e7;border-radius:9px;font-size:12px;line-height:1.7;color:#566b47}.error-note{background:#fff0ea;color:var(--error);border:1px solid #efbca8;padding:14px;border-radius:9px;margin-top:12px;font-size:13px}.error-note h3{color:var(--error);font-size:16px;margin-bottom:6px}.formula-section{margin-top:38px;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#f4f4eb}.formula-section h2{font-size:32px;margin-bottom:16px}.formula-section p{font-size:14px;line-height:1.8;max-width:780px;margin:10px 0}.formula-section .formula{font-family:monospace;font-size:12px;background:var(--white);padding:13px 16px;border-radius:8px;overflow-wrap:anywhere}.text-link{color:var(--green);text-decoration:underline;text-underline-offset:4px;font-size:13px}.faq-section{max-width:800px;margin:44px auto}.faq-section h2{font-size:33px;margin-bottom:20px}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-size:14px;font-weight:550;color:var(--ink);padding-right:10px}details p{font-size:13px;margin:12px 0 0;color:var(--muted);line-height:1.8}.planner-top{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}.planner-details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px}.planner-details .form-grid{margin-top:18px}.planner-preview{display:flex;align-items:center;justify-content:center;gap:18px;background:#e6eadc;border-radius:var(--radius);border:1px solid #d4ddc9;padding:22px;position:relative}.planner-preview svg{max-height:235px;width:220px;max-width:80%}.planner-preview .preview-caption{position:absolute;bottom:9px;left:14px;font-size:10px;color:#617450}.planner-tabs{display:flex;gap:4px;padding:5px;background:#e9eddf;border-radius:10px;margin:25px 0 20px}.planner-tabs button{display:flex;align-items:center;justify-content:center;gap:7px;background:transparent;color:#5b6e50;font-size:12px;padding:10px 15px;flex:1;font-weight:550;min-height:44px}.planner-tabs button[aria-selected=true]{background:var(--white);color:var(--ink);box-shadow:0 2px 7px #33422c12}.planner-tabs button svg{width:16px;height:16px}.planner-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#e9eddf;border:1px solid #d8e0ce;border-radius:12px;padding:18px 22px;margin-top:22px}.planner-bottom .actions{display:flex;gap:8px}.planner-bottom p{font-size:12px;color:var(--muted)}.planner-bottom strong{color:var(--ink);font-size:14px}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.project-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.project-card .project-art{background:#e6eadc;padding:25px;display:grid;place-items:center;height:165px}.project-card .project-art svg{height:130px;width:130px}.project-card .project-info{padding:20px}.project-card .project-info h2{font-family:'DM Sans',sans-serif;font-size:18px;font-weight:600;overflow-wrap:anywhere}.project-card p{font-size:12px;color:var(--muted);margin:7px 0 14px}.project-card .result-actions{border-top:1px solid var(--line);padding-top:12px}.project-card .result-actions button{font-size:12px;min-height:44px}.empty-state{text-align:center;border:1px dashed #becab5;background:#f0f2e8;border-radius:var(--radius);padding:65px 25px}.empty-state>svg{width:40px;height:40px;margin:0 auto 20px;color:#76915e}.empty-state h2{font-size:35px;margin-bottom:15px}.empty-state p{font-size:14px;margin-bottom:24px;color:var(--muted)}.project-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:15px 0 24px}.storage-note{background:#f1e8ce;border:1px solid #dfcea0;color:#715824;border-radius:9px;padding:12px 16px;font-size:12px;margin-bottom:15px}.article{max-width:760px;margin:auto;padding:36px 0 20px}.article h1{font-size:clamp(40px,5vw,60px);margin:19px 0}.article .article-lead{color:var(--muted);font-size:17px;line-height:1.8;margin-bottom:32px}.article .article-meta{font-size:12px;color:var(--muted);margin:18px 0 27px;padding-bottom:22px;border-bottom:1px solid var(--line)}.article h2{font-size:32px;margin-top:35px;margin-bottom:16px}.article p,.article li{font-size:15px;line-height:1.9;margin-bottom:15px}.article ul{padding-left:23px}.article .source-list{border-top:1px solid var(--line);margin-top:35px;padding-top:25px}.article .source-list h2{font-size:25px;margin-top:0}.source-list a{text-decoration:underline;text-underline-offset:3px;font-size:13px;overflow-wrap:anywhere}.article-cta{border:1px solid var(--line);border-radius:12px;background:#e9eddf;padding:24px;margin:34px 0}.article-cta p{font-size:14px;margin-bottom:15px}.prose{max-width:780px;margin:auto;padding:30px 0 40px}.prose h2{font-size:30px;margin:29px 0 15px}.prose p,.prose li{font-size:15px;line-height:1.9;margin-bottom:15px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#263e30;color:white;padding:12px 22px;border-radius:10px;box-shadow:0 5px 30px #0002;z-index:100;max-width:calc(100% - 32px);font-size:13px}.toast:empty{display:none}dialog{border:1px solid var(--line);border-radius:16px;background:var(--white);color:var(--text);padding:28px;max-width:440px;width:calc(100% - 32px)}dialog::backdrop{background:#1e322980}dialog h2{font-size:32px;margin-bottom:14px}dialog p{font-size:14px;margin-bottom:18px}dialog .dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}dialog label{margin-top:15px}.print-sheet{display:none}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.noscript-note{padding:25px;border:1px solid var(--line);margin:25px 0;background:var(--white)}.palette-buttons{display:flex;gap:8px;margin-top:10px}.palette-swatch{width:38px;height:38px;min-width:38px;border:2px solid transparent;background:#d4d4ba;display:grid;grid-template-columns:1fr 1fr;overflow:hidden;padding:4px;gap:0}.palette-swatch[aria-pressed=true]{border-color:var(--ink)}.palette-swatch i{display:block}.print-row{display:flex;justify-content:space-between;border-bottom:1px solid #ddd;padding:8px 0;gap:20px}.print-note{font-size:11px;color:#555}.layout-comparison{display:flex;gap:10px;margin-top:14px}.layout-option{background:#f2f3eb;border:1px solid var(--line);padding:10px;border-radius:8px;flex:1;font-size:11px;color:var(--muted)}.layout-option strong{display:block;color:var(--ink);font-size:13px}.layout-option.selected{border-color:#879e72;background:#eaf0e3}.layout-option small{font-size:10px}
@media(min-width:1440px){.hero{gap:100px;padding:80px 0 65px}.hero-art{min-height:399px}.hero-art .quilt-art{height:340px}}
@media(max-width:1000px){.nav{gap:17px}.hero{gap:38px}.hero-art{padding:28px;min-height:335px}.hero-art .quilt-art{height:285px}.trust-row{gap:30px}.workspace{gap:18px}.panel{padding:21px}.result-panel{position:static}.tool-card{padding:20px}.project-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.container{padding:0 20px}.site-header{height:auto;min-height:76px;flex-wrap:wrap;padding:18px 0 13px;gap:12px}.brand{font-size:20px}.nav{width:100%;justify-content:space-between;gap:10px;font-size:12px}.nav>a{padding:5px 0}.nav .btn{min-height:36px;padding:6px 12px;font-size:12px}.hero{grid-template-columns:1fr;gap:30px;padding:38px 0 31px}.hero-copy h1{font-size:59px;line-height:1;margin-top:18px}.hero-art{max-width:460px;width:100%;margin:auto;min-height:320px;padding:25px 36px}.hero-art .quilt-art{height:280px}.art-label{right:8px;bottom:14px}.trust-row{gap:12px;justify-content:space-between;font-size:10px;flex-wrap:wrap}.trust-row span{gap:5px}.section{padding:39px 0}.section-title{align-items:start;flex-direction:column;gap:14px}.section-title>p{max-width:100%}.tool-grid,.guide-grid{grid-template-columns:1fr}.tool-card{padding:24px}.tool-card .tool-icon{float:right;margin-bottom:0}.tool-card p{max-width:78%;margin-bottom:18px}.workbench{grid-template-columns:1fr}.workbench-copy{padding:27px}.workbench-art{min-height:230px}.workbench-art .quilt-art{width:160px;height:160px}.guide-grid{gap:28px}.site-footer{flex-direction:column;gap:20px}.page-intro{padding:30px 0 20px}.page-intro h1{font-size:43px}.workspace{grid-template-columns:1fr}.workspace-head{gap:10px;flex-wrap:wrap}.workspace-note{font-size:10px}.panel{padding:21px}.planner-top{grid-template-columns:1fr}.planner-preview{min-height:238px}.planner-preview svg{max-height:198px}.planner-tabs button{padding:9px 8px;font-size:11px}.planner-tabs button svg{display:none}.planner-bottom{align-items:stretch;flex-direction:column;padding:18px}.planner-bottom .actions{flex-wrap:wrap}.planner-bottom .btn{flex:1}.project-grid{grid-template-columns:1fr}.project-toolbar .btn{font-size:12px;padding:8px 12px}.article{padding-top:25px}.article h1{font-size:42px}.article h2{font-size:30px}.formula-section{padding:22px}.formula-section .formula{font-size:11px}.footer-links{gap:18px}}
@media(max-width:380px){.hero-copy h1{font-size:51px}.container{padding:0 16px}.nav{font-size:11px}.form-grid{gap:14px}.btn{font-size:12px;padding:10px 13px}.hero-art{padding:24px}.trust-row{gap:10px}.trust-row svg{width:13px;height:13px}.brand{font-size:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* 打印只输出计算后的项目清单，避免导航和交互控件占用纸张。 */
@media print{@page{size:auto;margin:15mm}body{background:white;color:#222;font-family:Arial,sans-serif}body.has-print-sheet>*:not(.print-sheet){display:none!important}body.has-print-sheet .print-sheet{display:block!important;font-size:12px;line-height:1.5}.print-sheet h1{font-family:Georgia,serif;font-size:30px;color:#222;letter-spacing:0;margin:0 0 10px}.print-sheet h2{font-family:Arial,sans-serif;font-size:17px;color:#222;margin:15px 0 7px;break-after:avoid}.print-sheet p{margin:8px 0}.print-sheet svg{max-width:100%;height:150px;margin:10px auto}.print-sheet section{break-inside:avoid}.print-sheet .print-row{break-inside:avoid}.print-sheet small{color:#444}.print-sheet ul{padding-left:20px}.print-sheet .print-footer{border-top:1px solid #ccc;margin-top:14px;padding-top:7px;font-size:10px;color:#555}dialog,.toast{display:none!important}}

@media print{body:not(.has-print-sheet) .site-header,body:not(.has-print-sheet) .site-footer,body:not(.has-print-sheet) .skip-link{display:none!important}body:not(.has-print-sheet) .container{max-width:none;padding:0}body:not(.has-print-sheet) .article{max-width:none;padding:0}.article-cta{break-inside:avoid}}

/* 编辑状态和错误保持可见；恢复操作与正常结果使用同一套配色和焦点样式。 */
.editor-status{font-size:12px;color:var(--muted);margin:0 0 12px;min-height:20px}
.editor-status[data-state="dirty"]{color:#805826;font-weight:600}
.editor-notice,.validation-summary{border:1px solid #d4c391;background:#f6eedb;border-radius:12px;padding:16px 18px;margin:0 0 18px;font-size:14px;line-height:1.7;overflow-wrap:anywhere}
.editor-notice strong,.validation-summary strong{color:var(--ink)}
.editor-notice h2,.validation-summary h2{font-family:'DM Sans',Arial,sans-serif;font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px}
.editor-notice p,.validation-summary p{margin:4px 0 10px}
.notice-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.validation-summary{background:#fff0ea;border-color:#e8b7a5;color:var(--error)}
.validation-summary:empty,.editor-notice:empty{display:none}
.validation-summary a{color:var(--error);text-decoration:underline;text-underline-offset:3px}
.validation-summary ul{margin:8px 0;padding-left:22px}
.validation-summary .btn{max-width:100%;min-height:44px;white-space:normal;text-align:left;justify-content:flex-start;padding:6px 0;font-size:13px}
#calculation-result{scroll-margin-top:16px}
[data-action="view-result"]{display:none}
.footer-links a[href^="mailto:"]{overflow-wrap:anywhere}
.contact-email{overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:3px}
/* 手机优先露出输入和结果入口，减少介绍区、示意图占据的滚动距离。 */
@media(max-width:760px){
 body[data-page="planner"] .page-intro{padding:22px 0 15px}
 body[data-page="planner"] .page-intro .breadcrumb{margin-bottom:12px}
 body[data-page="planner"] .page-intro h1{font-size:34px;line-height:1.12;margin:10px 0}
 body[data-page="planner"] .page-intro>p{font-size:14px;line-height:1.65}
 body[data-page="planner"] .workspace-head{margin:4px 0 14px;gap:10px}
 body[data-page="planner"] .workspace-head .workspace-note{width:100%;order:3}
 [data-action="view-result"]{display:inline-flex;min-height:44px;padding:8px 13px;font-size:12px}
 .planner-top{gap:12px}
 .planner-details{padding:20px}
 .planner-details .panel-title{margin-bottom:15px}
 .planner-preview{min-height:148px;padding:12px 16px 28px}
 .planner-preview svg{height:112px;max-height:112px;width:155px}
 .planner-preview .preview-caption{font-size:10px;bottom:6px}
 .planner-tabs{margin:18px 0 14px}
 .unit-toggle button{min-height:44px;padding:8px 13px}
 .palette-swatch{width:44px;height:44px;min-width:44px}
 input,select,textarea{font-size:16px}
 .nav .btn{white-space:nowrap;padding:6px 9px;min-height:44px}
 .project-nav{gap:4px}
 .footer-links{row-gap:10px}
 .editor-notice,.validation-summary{padding:14px;font-size:13px}
 .notice-actions .btn{min-height:44px;white-space:normal}
}
@media(max-width:380px){
 .nav{gap:7px}
 .nav .btn{white-space:normal;max-width:82px;padding:6px 8px}
 .nav .btn svg{display:none}
}
/* 当前页面的主导航按钮保留白字，图标显式尺寸避免 SVG 默认尺寸挤压布局。 */
.nav>a.btn-primary[aria-current=page]{color:white;box-shadow:none}
.nav>a:not(.btn){min-height:44px;display:inline-flex;align-items:center}
.panel-title>svg{width:19px;height:19px;flex-shrink:0;color:#789363}
.text-link svg{width:16px;height:16px}