:root{--sw4-bg:#fbf9f4;--sw4-card:#ffffff;--sw4-text:#1b1c19;--sw4-muted:#424841;--sw4-primary:#17341c;--sw4-secondary:#7e562e;--sw4-line:#c2c8bf;--sw4-soft:#f0eee9;--sw4-shadow:0 10px 28px rgba(23,52,28,.12)}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--sw4-bg);color:var(--sw4-text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif}
body{display:flex;justify-content:center}
#sw4-app{position:relative;width:420px;min-height:100vh;background:var(--sw4-bg);overflow:hidden;padding-bottom:84px}

.sw4-top-app-bar{position:sticky;top:0;z-index:25;height:62px;padding:0 10px;border-bottom:1px solid var(--sw4-line);background:rgba(251,249,244,.92);display:flex;align-items:center;justify-content:space-between;backdrop-filter:blur(8px)}
.sw4-top-left,.sw4-top-right{display:flex;align-items:center;gap:6px}
.sw4-brand-title{margin:0;font-size:20px;color:var(--sw4-primary);font-weight:700}
.sw4-icon-btn{width:34px;height:34px;border:0;border-radius:8px;background:#f1ede3;color:var(--sw4-primary);font-size:16px;cursor:pointer}

.sw4-main{padding:12px;display:grid;gap:12px}
.sw4-hero{position:relative;border-radius:14px;overflow:hidden;min-height:300px;box-shadow:var(--sw4-shadow)}
.sw4-hero img{display:block;width:100%;height:300px;object-fit:cover;filter:brightness(.78)}
.sw4-hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(251,249,244,.95),rgba(251,249,244,.55),rgba(251,249,244,0))}
.sw4-hero-content{position:absolute;left:14px;top:16px;right:16px;max-width:280px}
.sw4-hero-subline{font-size:11px;color:var(--sw4-secondary);font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.sw4-hero-title{margin:8px 0 8px 0;font-size:28px;line-height:1.2;color:var(--sw4-primary)}
.sw4-hero-desc{margin:0;font-size:14px;line-height:1.7;color:var(--sw4-muted)}
.sw4-hero-actions{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}

.sw4-btn{height:38px;padding:0 14px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:700}
.sw4-btn-primary{background:var(--sw4-primary);color:#fff}
.sw4-btn-ghost{border-color:var(--sw4-primary);background:transparent;color:var(--sw4-primary)}

.sw4-chip-wrap{display:flex;gap:8px;flex-wrap:wrap;background:var(--sw4-card);border:1px solid rgba(194,200,191,.75);border-radius:14px;padding:10px;box-shadow:var(--sw4-shadow)}
.sw4-chip{border:1px solid transparent;background:var(--sw4-soft);color:var(--sw4-muted);padding:6px 10px;border-radius:999px;font-size:12px}
.sw4-chip-active{border-color:var(--sw4-secondary);color:var(--sw4-secondary);background:#fff}

.sw4-featured{display:grid;gap:10px}
.sw4-featured-card{background:#fff;border:1px solid rgba(194,200,191,.75);border-radius:14px;overflow:hidden;box-shadow:var(--sw4-shadow)}
.sw4-featured-card img{display:block;width:100%;height:210px;object-fit:cover}
.sw4-featured-content{padding:12px}
.sw4-mini-badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#ffdea5;color:#5d4201;font-size:11px;font-weight:700}
.sw4-featured-loc{margin-top:8px;font-size:12px;color:var(--sw4-secondary)}
.sw4-h3{margin:8px 0 0 0;font-size:22px;line-height:1.3;color:var(--sw4-primary)}
.sw4-h4{margin:0;font-size:18px;color:var(--sw4-primary)}
.sw4-h2{margin:0;font-size:26px;line-height:1.3;color:var(--sw4-primary)}
.sw4-text{margin:6px 0 0 0;font-size:14px;line-height:1.7;color:var(--sw4-muted)}
.sw4-text-light{color:#e9f1ea}
.sw4-featured-bottom{margin-top:10px;display:flex;align-items:center;justify-content:space-between}
.sw4-price{font-weight:700;color:var(--sw4-secondary)}
.sw4-cart-btn{width:36px;height:36px;border:0;border-radius:999px;background:var(--sw4-primary);color:#fff;font-size:20px}

.sw4-side-panels{display:grid;gap:10px}
.sw4-panel{border-radius:14px;padding:12px}
.sw4-panel-green{background:#2d4b31;color:#fff}
.sw4-panel-gold{background:#fdc796;color:#2d1600}

.sw4-section{background:#fff;border:1px solid rgba(194,200,191,.75);border-radius:14px;padding:12px;box-shadow:var(--sw4-shadow)}
.sw4-section-head{display:flex;align-items:end;justify-content:space-between;border-bottom:1px solid var(--sw4-line);padding-bottom:8px;margin-bottom:10px}
.sw4-sub{margin:4px 0 0 0;font-size:12px;color:#72786f}

.sw4-product-list{display:grid;gap:10px}
.sw4-product-card{background:#fff;border:1px solid rgba(194,200,191,.75);border-radius:12px;overflow:hidden;padding-bottom:8px}
.sw4-product-card img{display:block;width:100%;height:170px;object-fit:cover}
.sw4-product-card h4{margin:8px 10px 0 10px;font-size:16px;color:var(--sw4-primary)}
.sw4-product-card p{margin:4px 10px 0 10px;font-size:12px;color:#72786f}
.sw4-product-card strong{display:block;margin:6px 10px 0 10px;color:var(--sw4-secondary);font-size:14px}

.sw4-sea-list{display:grid;gap:10px}
.sw4-sea-card{position:relative;border-radius:12px;overflow:hidden}
.sw4-sea-card img{display:block;width:100%;height:180px;object-fit:cover;filter:brightness(.78)}
.sw4-sea-card div{position:absolute;left:10px;bottom:10px;right:10px}
.sw4-sea-card h4{margin:0;color:#fff;font-size:18px}
.sw4-sea-card p{margin:4px 0 0 0;color:rgba(255,255,255,.86);font-size:12px}

.sw4-culture{background:var(--sw4-soft)}
.sw4-point-list{margin-top:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.sw4-point-list div{padding:10px;border-radius:10px;background:#fff;border:1px solid rgba(194,200,191,.75)}
.sw4-point-list h5{margin:0;font-size:16px;color:var(--sw4-primary)}
.sw4-point-list p{margin:4px 0 0 0;font-size:12px;color:#72786f}

.sw4-footer{margin:12px;padding:14px;border-radius:14px;background:var(--sw4-soft);border:1px solid rgba(194,200,191,.75);text-align:center}
.sw4-footer h3{margin:0;font-size:20px;color:var(--sw4-primary)}
.sw4-footer-slogan{margin:6px 0 0 0;font-size:12px;color:#72786f}
.sw4-footer-links{margin-top:10px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.sw4-footer-links a{text-decoration:none;color:var(--sw4-muted);font-size:13px}
.sw4-footer-copy{margin-top:10px;padding-top:8px;border-top:1px solid var(--sw4-line);font-size:12px;color:#72786f}

.sw4-bottom-nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:420px;height:62px;background:rgba(255,255,255,.96);border-top:1px solid var(--sw4-line);display:grid;grid-template-columns:repeat(4,1fr);align-items:center;z-index:35}
.sw4-nav-item{text-align:center;text-decoration:none;color:#5c635c;font-size:13px}
.sw4-nav-item-active{color:var(--sw4-primary);font-weight:700}

.sw4-fab{position:fixed;left:50%;transform:translateX(168px);bottom:72px;width:46px;height:46px;border:0;border-radius:999px;background:var(--sw4-primary);color:#fff;box-shadow:0 10px 25px rgba(23,52,28,.28);z-index:34}

#sw4-app.sw4-dark{--sw4-bg:#1b1c19;--sw4-card:#30312e;--sw4-text:#f2f1ec;--sw4-muted:#d6d7d2;--sw4-primary:#adcfad;--sw4-secondary:#f1bc8c;--sw4-line:#555a54;--sw4-soft:#3a3b37}