:root{
  --green:#2f8054; --green-dark:#20583b; --green-light:#eaf5e9;
  --text:#26382e; --muted:#718075; --line:#e3ece3; --cream:#f8fbf5;
  --orange:#df754a; --shadow:0 12px 32px rgba(31,78,48,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--text);line-height:1.7;background:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1160px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--green-dark);font-weight:800;font-size:22px;letter-spacing:.3px;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;background:var(--green);color:white;font-size:22px}
.nav-links{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.nav-links a{font-size:14px;color:#506054;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--green);font-weight:700}
.nav-cta{padding:9px 17px;border-radius:999px;background:var(--green);color:#fff!important}
.hero{background:linear-gradient(120deg,#eaf6e9 0%,#f7faf0 58%,#edf6e7 100%);overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:45px;padding:66px 0 62px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:800;letter-spacing:2px;font-size:12px;text-transform:uppercase}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--green)}
.hero h1{font-size:clamp(34px,4.5vw,58px);line-height:1.18;letter-spacing:-1px;color:var(--green-dark);margin:18px 0}
.hero h1 span{color:var(--green)}
.hero p{color:#617166;max-width:520px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:27px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 21px;border-radius:9px;background:var(--green);color:white;font-weight:700;border:1px solid var(--green);transition:transform .2s,background .2s}
.btn:hover{transform:translateY(-2px);background:var(--green-dark)}
.btn-outline{background:transparent;color:var(--green);border-color:#c4d9c6}
.btn-outline:hover{color:#fff}
.hero-art{min-height:335px;position:relative;display:grid;place-items:center}
.art-circle{width:min(360px,80%);aspect-ratio:1;border-radius:50%;background:#d6ebd2;display:grid;place-items:center;position:relative}
.art-circle:before{content:"";position:absolute;inset:23px;border:1px dashed rgba(47,128,84,.35);border-radius:50%}
.art-main{font-size:128px;filter:drop-shadow(0 14px 10px rgba(42,85,50,.12));z-index:1}
.float-card{position:absolute;background:#fff;padding:12px 16px;border-radius:14px;box-shadow:var(--shadow);font-size:13px;color:#516357}
.float-card strong{display:block;color:var(--green-dark);font-size:15px}
.float-one{top:32px;left:0}.float-two{right:0;bottom:32px}
.section{padding:68px 0}
.section.soft{background:var(--cream)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:30px}
.section-head.centered{display:block;text-align:center}
.kicker{font-size:12px;letter-spacing:2px;color:var(--green);font-weight:800}
.section h2{font-size:clamp(26px,3vw,35px);line-height:1.3;color:var(--green-dark);margin:7px 0}
.section-head p,.muted{color:var(--muted)}
.view-all{color:var(--green);font-weight:700;white-space:nowrap}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.category-card{padding:25px;border:1px solid var(--line);border-radius:17px;background:#fff;display:flex;align-items:center;gap:17px;transition:.2s}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.category-icon{width:65px;height:65px;border-radius:17px;background:var(--green-light);display:grid;place-items:center;font-size:32px;flex-shrink:0}
.category-card h3{font-size:17px;color:var(--green-dark)}
.category-card p{font-size:13px;color:var(--muted);margin-top:3px}
.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.product-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:.22s}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.product-visual{height:190px;display:grid;place-items:center;background:linear-gradient(135deg,#f1f7ee,#e4f0e2);font-size:70px;position:relative}
.product-visual .label{position:absolute;top:12px;left:12px;padding:4px 9px;border-radius:999px;background:#fff;color:var(--green);font-size:11px;font-weight:800}
.product-info{padding:17px}
.product-info h3{font-size:16px;margin-bottom:4px}
.product-info p{font-size:13px;color:var(--muted);min-height:44px}
.product-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px}
.price{font-size:20px;color:var(--orange);font-weight:800}
.price small{font-size:11px;color:#9b9b90;font-weight:400}
.round-arrow{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--green-light);color:var(--green);font-size:19px}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{padding:22px;border-radius:15px;background:#fff;border:1px solid var(--line)}
.feature .icon{font-size:26px}
.feature h3{margin:8px 0 4px;color:var(--green-dark)}
.feature p{font-size:13px;color:var(--muted)}
.page-hero{padding:56px 0;background:linear-gradient(120deg,#eaf6e9,#f8fbf4);text-align:center}
.page-hero .crumb{font-size:12px;color:var(--green);font-weight:800;letter-spacing:1.5px}
.page-hero h1{font-size:clamp(30px,4vw,42px);color:var(--green-dark);margin:8px 0}
.page-hero p{color:var(--muted)}
.filter-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.pills{display:flex;gap:9px;flex-wrap:wrap}
.pill{padding:8px 15px;border:1px solid var(--line);border-radius:999px;color:#617166;font-size:13px}
.pill.selected,.pill:hover{background:var(--green);border-color:var(--green);color:white}
.search-box{display:flex;gap:8px}
.search-box input{border:1px solid var(--line);border-radius:9px;padding:10px 13px;min-width:210px;font:inherit}
.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start}
.detail-image{min-height:420px;border-radius:22px;background:linear-gradient(135deg,#eef7e9,#dcebd8);display:grid;place-items:center;font-size:145px;position:relative}
.detail-image:after{content:"精选校园好物";position:absolute;bottom:20px;left:20px;background:rgba(255,255,255,.8);padding:7px 13px;border-radius:999px;font-size:12px;color:var(--green)}
.detail-copy h1{font-size:34px;color:var(--green-dark);line-height:1.3;margin:10px 0}
.detail-copy .summary{color:var(--muted);margin:15px 0 22px}
.detail-price{font-size:32px;font-weight:800;color:var(--orange)}
.detail-price small{font-size:13px;color:#999;font-weight:400}
.detail-list{list-style:none;margin:22px 0;color:#506054}
.detail-list li{padding:7px 0;border-bottom:1px solid #edf1ec}
.detail-list li:before{content:"✓";color:var(--green);font-weight:800;margin-right:10px}
.notice{margin-top:18px;padding:12px 15px;border-radius:9px;background:#f5f8f2;color:#778378;font-size:12px}
.about-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}
.about-art{min-height:320px;border-radius:22px;background:linear-gradient(145deg,#eaf5e7,#d6e9d1);display:grid;place-items:center;font-size:110px}
.about-copy p{color:#68766b;margin:13px 0}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:25px}
.stat{padding:18px;border-radius:12px;background:#f4f8f1}
.stat strong{display:block;font-size:25px;color:var(--green)}
.stat span{font-size:12px;color:var(--muted)}
.contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}
.contact-card{padding:25px;border:1px solid var(--line);border-radius:17px;margin-bottom:15px}
.contact-card .icon{font-size:26px}
.contact-card h3{color:var(--green-dark);margin:5px 0}
.contact-card p{font-size:14px;color:var(--muted)}
.form-card{padding:28px;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}
.form-card h2{font-size:24px;color:var(--green-dark);margin-bottom:5px}
.form-card>p{color:var(--muted);font-size:13px;margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:700;color:#4b5c4f}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px;border:1px solid #dfe8df;border-radius:8px;font:inherit;background:#fff}
.form-field textarea{min-height:130px;resize:vertical}
.form-card button{margin-top:18px;cursor:pointer;font:inherit}
.form-note{font-size:12px;color:#899389;margin-top:12px}
.site-footer{background:#214c34;color:#e5efe5;padding:34px 0 20px}
.footer-main{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:25px}
.footer-brand{font-size:19px;font-weight:800}
.footer-main p{font-size:13px;color:#c1d4c4;margin-top:6px}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:16px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#b6cbbb}
.empty-state{padding:40px;text-align:center;color:var(--muted)}
@media(max-width:900px){.hero-inner{grid-template-columns:1fr;gap:15px}.hero-art{min-height:260px}.art-circle{width:260px}.art-main{font-size:95px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-grid{grid-template-columns:1fr}.about-layout,.contact-layout,.detail-layout{grid-template-columns:1fr;gap:28px}.detail-image{min-height:300px}.section-head{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.nav-wrap{padding:14px 0;align-items:flex-start;flex-direction:column;gap:12px}.nav-links{gap:13px}.nav-links a{font-size:13px}.hero-inner{padding:42px 0}.hero-art{min-height:225px}.art-circle{width:220px}.art-main{font-size:80px}.float-card{font-size:11px;padding:8px 10px}.float-one{top:12px}.float-two{bottom:12px}.product-grid{grid-template-columns:1fr 1fr;gap:12px}.product-visual{height:130px;font-size:48px}.product-info{padding:12px}.product-info h3{font-size:14px}.product-info p{font-size:12px}.price{font-size:17px}.round-arrow{width:29px;height:29px}.section{padding:45px 0}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}.stats{gap:8px}.stat{padding:12px}.stat strong{font-size:21px}}

/* Realistic local product photography */
.product-visual{overflow:hidden}
.product-visual img{width:100%;height:100%;object-fit:cover;display:block}
.product-visual .label{z-index:2}
.detail-image{overflow:hidden;padding:0}
.detail-image img{width:100%;height:420px;object-fit:cover;display:block;border-radius:22px}
.about-art{overflow:hidden;padding:0}
.about-art img{width:100%;height:320px;object-fit:cover;display:block;border-radius:22px}
.art-main{display:block;width:210px;height:210px;border-radius:24px;background:url('images/backpack.jpg') center/cover no-repeat;box-shadow:0 14px 35px rgba(42,85,50,.15);font-size:0}
@media(max-width:600px){.detail-image img{height:300px}.about-art img{height:240px}}

/* 高清实拍商品图展示 */
.product-visual img { width:100%; height:100%; object-fit:contain; display:block; image-rendering:auto; }