:root{
  --bg:#fbf7f2; --surface:#ffffff; --ink:#1f1a17; --muted:#7a6f66;
  --brand:#ff7a45; --brand-dark:#e85f2c; --accent:#2f9e6e; --line:#efe6dc;
  --radius:16px; --shadow:0 8px 30px rgba(31,26,23,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6}
a{text-decoration:none;color:inherit}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.center{text-align:center}

/* 按钮 */
.btn{display:inline-block;padding:11px 20px;border-radius:999px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-lg{padding:14px 28px;font-size:1.05rem}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,247,242,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.3rem}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{font-weight:500;color:var(--ink)}
.nav-links a:hover{color:var(--brand)}

/* Hero */
.hero{padding:60px 0 40px}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.badge{display:inline-block;background:#fff0e8;color:var(--brand-dark);padding:6px 14px;border-radius:999px;font-weight:600;font-size:.9rem;margin-bottom:16px}
.hero h1{font-size:2.8rem;line-height:1.15;margin-bottom:16px}
.lead{font-size:1.15rem;color:var(--muted);margin-bottom:26px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:34px}
.hero-stats strong{display:block;font-size:1.6rem;color:var(--brand-dark)}
.hero-stats span{font-size:.9rem;color:var(--muted)}
.hero-card{background:var(--surface);border-radius:24px;box-shadow:var(--shadow);padding:48px;text-align:center}
.emoji-big{font-size:5rem;margin-bottom:12px}

/* 区块 */
.section{padding:60px 0}
.section-alt{background:var(--surface)}
.section-title{font-size:2rem;text-align:center;margin-bottom:8px}
.section-sub{text-align:center;color:var(--muted);margin-bottom:34px}

/* 产品网格 */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.product-media{height:170px;display:flex;align-items:center;justify-content:center;font-size:4rem;background:linear-gradient(135deg,#fff4ec,#fdeee4)}
.product-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.product h3{font-size:1.1rem}
.product .desc{color:var(--muted);font-size:.92rem;flex:1}
.price{font-weight:800;color:var(--brand-dark);font-size:1.2rem}
.product .btn{width:100%;text-align:center;margin-top:6px}

/* 特性 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.feature-icon{font-size:2.2rem;margin-bottom:10px}
.feature h3{font-size:1.05rem;margin-bottom:6px}

/* 社媒条 */
.social-strip{background:linear-gradient(135deg,#fff4ec,#fdeee4)}
.social-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.social-links a{background:var(--surface);border:1px solid var(--line);padding:10px 22px;border-radius:999px;font-weight:600}
.social-links a:hover{border-color:var(--brand);color:var(--brand)}

/* 页脚 */
.footer{background:#1f1a17;color:#e9e0d8;padding:48px 0 24px}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.footer .logo{color:#fff}
.footer-cols{display:flex;gap:48px;flex-wrap:wrap}
.footer-cols h4{margin-bottom:10px;color:#fff}
.footer-cols a{display:block;color:#bdb2a8;padding:3px 0}
.footer-cols a:hover{color:var(--brand)}
.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid #3a322c;color:#9a8f85;font-size:.85rem}

/* 内页通用 */
.page{padding:60px 0}
.page h1{font-size:2.4rem;margin-bottom:14px}
.page h2{font-size:1.5rem;margin:28px 0 12px}
.page p{margin-bottom:14px;color:var(--ink)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:20px;box-shadow:var(--shadow)}
.checkout-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:30px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field input,.field select{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:1rem}
.order-summary{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.order-summary .row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}
.order-summary .total{font-weight:800;font-size:1.2rem;color:var(--brand-dark);border:none;margin-top:6px}

@media(max-width:880px){
  .hero-inner,.checkout-grid{grid-template-columns:1fr}
  .product-grid,.feature-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:2.1rem}
}
@media(max-width:560px){
  .product-grid,.feature-grid{grid-template-columns:1fr}
  .nav-links{gap:12px}
}