/* ---------- 修改开始 / BEGIN CHANGE: UI ----------
 * 中文：新增业务页面共用响应式布局、表单和键盘焦点样式。
 * EN: Shared responsive layouts, forms and keyboard focus styling for functional pages.
 */
@font-face{font-family:Raleway;src:local("Raleway");font-display:swap}
:root{--ink:#243326;--green:#527c43;--paper:#f8f8f4;--line:#d7dfd1;--muted:#52614f}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,sans-serif;color:var(--ink);background:var(--paper)}
a{color:#3c652e;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #356ac3;outline-offset:4px}
.site-header{background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px max(24px,calc((100vw - 1200px)/2));flex-wrap:wrap}
.brand{font-size:25px;font-weight:800;text-decoration:none;letter-spacing:2px;color:var(--ink);line-height:1.1}.brand span{color:var(--green)}.brand small{display:block;font-size:12px;letter-spacing:3px;margin-top:7px;font-weight:500}
.site-header nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.site-header nav a{font-size:15px;font-weight:600}.page-shell{max-width:1200px;margin:auto;padding:42px 24px 70px;min-height:75vh}
h1{font-size:clamp(30px,4vw,46px);line-height:1.15;margin:12px 0 22px}h2{font-size:24px;line-height:1.3}h3{font-size:20px}p{margin:12px 0 22px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--green)}
.form-card{max-width:550px;margin:0 auto;background:white;padding:32px;border:1px solid var(--line);border-radius:18px}.wide{max-width:800px}.input{margin-bottom:18px}label{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
input,select,textarea{font:inherit;border:1px solid #9aa895;border-radius:8px;padding:11px 12px;width:100%;background:white;color:var(--ink)}textarea{resize:vertical}input[type=checkbox]{width:auto}button,.button{display:inline-block;cursor:pointer;font:600 16px/1.4 system-ui,sans-serif;border:1px solid var(--green);background:var(--green);color:white;padding:12px 22px;border-radius:28px;text-decoration:none}.secondary{color:var(--ink);background:white;border-color:#9aa895}.button:hover,button:hover{filter:brightness(.94)}.field-help{font-size:14px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.message,.notice{padding:14px 18px;border-radius:9px;margin-bottom:22px;font-size:15px}.notice{background:#fff5d9;border:1px solid #dfc775;color:#625012}.message.success{background:#e6f1dd;border:1px solid #789766}.message.error,.error-message{background:#fff0ec;color:#8a2c21}.message.error{border:1px solid #ca877d}.error-message{font-size:14px;padding:5px}.input.error input,.input.error textarea,.input.error select{border-color:#ab4536}
.panel{padding:26px;background:white;border:1px solid var(--line);border-radius:14px;margin:20px 0}.preserve-lines{white-space:pre-wrap;overflow-wrap:anywhere}.actions{display:flex;gap:12px;flex-wrap:wrap}.table-scroll{overflow-x:auto;background:#fff;border-radius:12px;border:1px solid var(--line)}table{border-collapse:collapse;width:100%;font-size:15px}caption{text-align:left;padding:16px;font-weight:600}th,td{padding:16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:#edf2e9}td{max-width:350px;overflow-wrap:anywhere}.badge{background:#edf2e9;border-radius:20px;padding:4px 10px;white-space:nowrap}.filter-form{display:flex;gap:12px;align-items:end;margin-bottom:24px}.filter-form .input{margin:0}.pagination{display:flex;gap:16px;margin-top:22px;list-style:none}.pagination li{list-style:none}.pagination .disabled{opacity:.5}dl{display:grid;grid-template-columns:180px 1fr;gap:10px}dt{font-weight:700}dd{margin:0;overflow-wrap:anywhere}.stock-panel{padding:20px;background:#edf2e9;border-radius:12px;margin:25px 0}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.product-card img{width:100%;height:270px;object-fit:cover}.product-card>div{padding:22px}.product-card h2 a{text-decoration:none}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin:30px 0}.product-detail>img{width:100%;max-height:550px;object-fit:cover;border-radius:18px}.price{font-size:25px;font-weight:700}.cart-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;align-items:center}.cart-row h2{font-size:20px}.quantity-form{max-width:230px}.cart-total{font-size:25px;text-align:right}.site-footer{padding:25px;text-align:center;background:#e8eee3;color:#4b5b43;font-size:14px}.skip-link{position:absolute;left:-10000px}.skip-link:focus{left:10px;top:10px;background:white;padding:12px;z-index:10000}
@media(max-width:850px){.product-grid{grid-template-columns:1fr 1fr}.product-detail{gap:25px}.site-header nav{gap:14px}.cart-row{grid-template-columns:1fr 1fr}.cart-row>div:first-child{grid-column:1/-1}}
@media(max-width:550px){.site-header{padding:18px}.site-header nav{gap:10px 18px}.page-shell{padding:28px 16px 50px}.form-card{padding:22px 18px}.form-grid,.product-grid,.product-detail,.cart-row{grid-template-columns:1fr}.cart-row>div:first-child{grid-column:auto}dl{grid-template-columns:1fr;gap:4px}dd{margin-bottom:12px}.product-card img{height:260px}.filter-form{align-items:stretch;flex-direction:column}}
/* ---------- 修改结束 / END CHANGE: UI ---------- */