/* ===== 基础重置 ===== */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans SC',sans-serif;line-height:1.6;color:#333;background:#fafafa;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ===== 导航栏 ===== */
.navbar{
    position:fixed;top:0;width:100%;
    background:rgba(255,255,255,0.96);
    backdrop-filter:blur(12px);
    z-index:1000;
    box-shadow:0 2px 16px rgba(0,0,0,0.08);
    transition:all .3s;
}
.nav-container{
    max-width:1200px;margin:0 auto;padding:0 30px;
    display:flex;justify-content:space-between;align-items:center;height:72px;
}
.nav-logo h2{font-family:'Noto Serif SC',serif;color:#2d5016;font-size:1.9rem;font-weight:700;letter-spacing:2px;}
.nav-logo span{font-size:.75rem;color:#888;display:block;margin-top:-4px;letter-spacing:3px;}
.nav-menu{display:flex;list-style:none;gap:2.2rem;}
.nav-menu a{text-decoration:none;color:#444;font-weight:500;font-size:.95rem;position:relative;transition:color .3s;}
.nav-menu a:hover{color:#4a7c1f;}
.nav-menu a::after{content:'';position:absolute;width:0;height:2px;bottom:-4px;left:0;background:#4a7c1f;transition:width .3s;}
.nav-menu a:hover::after{width:100%;}
.nav-toggle{display:none;flex-direction:column;cursor:pointer;gap:5px;}
.bar{width:24px;height:2.5px;background:#333;border-radius:2px;transition:.3s;}

/* ===== HERO ===== */
.hero{
    min-height:100vh;
    display:flex;align-items:center;
    background:linear-gradient(135deg,#f0f7ea 0%,#e8f3e0 40%,#faf9f6 100%);
    position:relative;overflow:hidden;padding-top:72px;
}
.hero::before{
    content:'';position:absolute;right:-80px;top:-80px;
    width:600px;height:600px;
    background:radial-gradient(circle,rgba(74,124,31,.08) 0%,transparent 70%);
    border-radius:50%;
}
.hero-inner{display:flex;align-items:center;max-width:1200px;margin:0 auto;padding:60px 30px;width:100%;gap:60px;}
.hero-content{flex:1;max-width:560px;}
.hero-tag{
    display:inline-block;background:#e8f5e2;color:#4a7c1f;
    padding:6px 16px;border-radius:20px;font-size:.85rem;font-weight:500;
    margin-bottom:1.5rem;letter-spacing:1px;
}
.hero-content h1{
    font-family:'Noto Serif SC',serif;
    font-size:3.2rem;font-weight:700;color:#1a3a06;
    line-height:1.25;margin-bottom:1.5rem;
}
.hero-content h1 span{color:#4a7c1f;}
.hero-content p{font-size:1.1rem;color:#666;margin-bottom:2.2rem;line-height:1.9;}
.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap;}
.btn-primary{
    padding:14px 36px;background:linear-gradient(135deg,#4a7c1f,#5b9424);
    color:#fff;border:none;border-radius:30px;font-size:1rem;font-weight:500;
    text-decoration:none;cursor:pointer;transition:all .3s;
    box-shadow:0 4px 15px rgba(74,124,31,.3);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(74,124,31,.4);}
.btn-secondary{
    padding:14px 36px;background:transparent;color:#4a7c1f;
    border:2px solid #4a7c1f;border-radius:30px;font-size:1rem;font-weight:500;
    text-decoration:none;cursor:pointer;transition:all .3s;
}
.btn-secondary:hover{background:#4a7c1f;color:#fff;}
.hero-visual{flex:1;display:flex;justify-content:center;align-items:center;position:relative;}
.rice-bowl{
    width:340px;height:340px;
    background:linear-gradient(145deg,#e8f5e2,#d4edcc);
    border-radius:50%;
    display:flex;justify-content:center;align-items:center;
    animation:float 4s ease-in-out infinite;
    box-shadow:0 20px 60px rgba(74,124,31,.15);
    position:relative;
}
.rice-bowl::after{
    content:'';position:absolute;
    width:90%;height:90%;
    border-radius:50%;
    border:2px dashed rgba(74,124,31,.2);
    animation:spin 20s linear infinite;
}
.rice-bowl-inner{
    width:220px;height:220px;
    background:linear-gradient(145deg,#fff,#f0f7ea);
    border-radius:50%;
    display:flex;justify-content:center;align-items:center;
    box-shadow:inset 0 5px 20px rgba(74,124,31,.1);
}
.rice-bowl-inner i{font-size:5rem;color:#4a7c1f;opacity:.8;}
.hero-badge{
    position:absolute;bottom:20px;right:20px;
    background:#fff;border-radius:12px;padding:12px 16px;
    box-shadow:0 5px 20px rgba(0,0,0,.1);
    display:flex;align-items:center;gap:8px;font-size:.85rem;
}
.hero-badge i{color:#f59e0b;font-size:1rem;}
.hero-badge span{color:#333;font-weight:500;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
@keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}

/* ===== 数据统计 ===== */
.stats{background:#fff;padding:50px 0;border-bottom:1px solid #f0f0f0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-item{text-align:center;padding:20px;}
.stat-num{font-family:'Noto Serif SC',serif;font-size:2.8rem;font-weight:700;color:#2d5016;}
.stat-num span{font-size:1.5rem;}
.stat-label{color:#888;font-size:.9rem;margin-top:4px;}

/* ===== 通用 section ===== */
section{padding:90px 0;}
.section-header{text-align:center;margin-bottom:60px;}
.section-header .tag{
    display:inline-block;background:#e8f5e2;color:#4a7c1f;
    padding:5px 14px;border-radius:20px;font-size:.82rem;font-weight:500;
    margin-bottom:1rem;letter-spacing:1px;
}
.section-header h2{font-family:'Noto Serif SC',serif;font-size:2.4rem;color:#1a3a06;margin-bottom:.8rem;}
.section-header p{font-size:1.05rem;color:#888;}

/* ===== 品牌故事 ===== */
.about{background:#fafaf8;}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;}
.about-text h3{font-family:'Noto Serif SC',serif;font-size:1.9rem;color:#1a3a06;margin-bottom:1.2rem;}
.about-text .lead{font-size:1.1rem;color:#555;line-height:1.9;margin-bottom:2rem;}
.features-list{display:flex;flex-direction:column;gap:1.2rem;}
.feature-item{
    display:flex;align-items:flex-start;gap:1rem;
    padding:1.2rem 1.5rem;background:#fff;border-radius:12px;
    border-left:4px solid #4a7c1f;
    box-shadow:0 2px 10px rgba(0,0,0,.05);
    transition:transform .3s;
}
.feature-item:hover{transform:translateX(6px);}
.feature-icon{
    width:44px;height:44px;min-width:44px;
    background:linear-gradient(135deg,#e8f5e2,#d4edcc);
    border-radius:10px;
    display:flex;justify-content:center;align-items:center;
}
.feature-icon i{font-size:1.2rem;color:#4a7c1f;}
.feature-text h4{font-size:1rem;color:#2d5016;margin-bottom:.3rem;}
.feature-text p{font-size:.9rem;color:#888;line-height:1.5;}
.about-img-wrap{position:relative;}
.about-img-card{
    background:linear-gradient(145deg,#e8f5e2,#c8e6b8);
    border-radius:20px;height:460px;
    display:flex;flex-direction:column;justify-content:center;align-items:center;
    gap:1rem;color:#4a7c1f;
    box-shadow:0 10px 40px rgba(74,124,31,.15);
}
.about-img-card i{font-size:5rem;opacity:.7;}
.about-img-card p{font-size:1.1rem;font-weight:500;}
.about-cert{
    position:absolute;bottom:-20px;right:-20px;
    background:#fff;border-radius:14px;padding:14px 18px;
    box-shadow:0 8px 30px rgba(0,0,0,.12);
    display:flex;align-items:center;gap:10px;
}
.about-cert i{font-size:1.5rem;color:#4a7c1f;}
.about-cert div strong{display:block;font-size:.95rem;color:#1a3a06;}
.about-cert div span{font-size:.8rem;color:#aaa;}

/* ===== 产品中心 ===== */
.products{background:#fff;}
.product-filter{
    display:flex;justify-content:center;gap:1rem;margin-bottom:3rem;flex-wrap:wrap;
}
.filter-btn{
    padding:8px 22px;border-radius:20px;border:1.5px solid #ddd;
    background:#fff;color:#666;font-size:.9rem;cursor:pointer;transition:all .3s;
}
.filter-btn.active,.filter-btn:hover{background:#4a7c1f;color:#fff;border-color:#4a7c1f;}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.product-card{
    background:#fff;border-radius:18px;overflow:hidden;
    box-shadow:0 4px 20px rgba(0,0,0,.08);
    transition:all .3s;border:1px solid #f0f0f0;
}
.product-card:hover{transform:translateY(-10px);box-shadow:0 16px 40px rgba(74,124,31,.15);}
.product-card-img{
    height:180px;
    background:linear-gradient(145deg,#e8f5e2,#d0e8c0);
    display:flex;justify-content:center;align-items:center;
    position:relative;overflow:hidden;
}
.product-card-img i{font-size:4rem;color:#4a7c1f;opacity:.7;}
.product-badge{
    position:absolute;top:12px;left:12px;
    background:#4a7c1f;color:#fff;
    padding:4px 10px;border-radius:12px;font-size:.78rem;font-weight:500;
}
.product-badge.hot{background:#e74c3c;}
.product-badge.new{background:#3498db;}
.product-body{padding:1.5rem;}
.product-body h3{font-size:1.2rem;color:#1a3a06;margin-bottom:.6rem;}
.product-body .desc{font-size:.9rem;color:#888;line-height:1.6;margin-bottom:1rem;}
.product-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.2rem;}
.price{font-size:1.4rem;font-weight:700;color:#e74c3c;}
.price sub{font-size:.75rem;font-weight:400;}
.origin-tag{
    background:#f0f7ea;color:#4a7c1f;
    padding:3px 10px;border-radius:10px;font-size:.78rem;
}
.product-footer{display:flex;gap:.8rem;}
.btn-cart,.btn-buy{
    flex:1;padding:10px;border-radius:8px;font-size:.9rem;font-weight:500;
    cursor:pointer;transition:all .3s;border:none;
}
.btn-cart{background:#f0f7ea;color:#4a7c1f;}
.btn-cart:hover{background:#e0f0d4;}
.btn-buy{background:linear-gradient(135deg,#4a7c1f,#5b9424);color:#fff;}
.btn-buy:hover{transform:translateY(-2px);box-shadow:0 5px 15px rgba(74,124,31,.3);}

/* ===== 品质保障 ===== */
.quality{background:#f0f7ea;}
.quality-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.quality-card{
    background:#fff;border-radius:16px;padding:2rem 1.5rem;
    text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.06);
    transition:transform .3s;position:relative;overflow:hidden;
}
.quality-card::before{
    content:'';position:absolute;top:0;left:0;right:0;height:4px;
    background:linear-gradient(90deg,#4a7c1f,#8bc34a);
}
.quality-card:hover{transform:translateY(-6px);}
.quality-num{
    width:56px;height:56px;
    background:linear-gradient(135deg,#4a7c1f,#5b9424);
    color:#fff;border-radius:50%;
    display:flex;justify-content:center;align-items:center;
    font-size:1.4rem;font-weight:700;
    margin:0 auto 1.2rem;
}
.quality-card h4{font-size:1.1rem;color:#1a3a06;margin-bottom:.8rem;}
.quality-card p{font-size:.88rem;color:#888;line-height:1.6;}
.quality-card .q-icon{font-size:2rem;color:#4a7c1f;margin-bottom:.8rem;opacity:.6;}

/* ===== 产地展示 ===== */
.origin{background:#fff;}
.origin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.origin-card{
    border-radius:16px;overflow:hidden;
    box-shadow:0 4px 16px rgba(0,0,0,.08);
    transition:transform .3s;
}
.origin-card:hover{transform:translateY(-6px);}
.origin-img{
    height:160px;
    display:flex;justify-content:center;align-items:center;
    font-size:3.5rem;color:#fff;
}
.origin-img.wuchang{background:linear-gradient(135deg,#2d5016,#4a7c1f);}
.origin-img.jilin{background:linear-gradient(135deg,#1a3a5c,#2980b9);}
.origin-img.panjin{background:linear-gradient(135deg,#5c2d00,#c0392b);}
.origin-body{padding:1.2rem;}
.origin-body h4{font-size:1.05rem;color:#1a3a06;margin-bottom:.5rem;}
.origin-body p{font-size:.88rem;color:#888;line-height:1.5;}
.origin-tags{display:flex;gap:.5rem;margin-top:.8rem;flex-wrap:wrap;}
.origin-tags span{
    background:#f0f7ea;color:#4a7c1f;
    padding:3px 8px;border-radius:8px;font-size:.78rem;
}

/* ===== 联系我们 ===== */
.contact{background:#fafaf8;}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start;}
.contact-info h2{font-family:'Noto Serif SC',serif;font-size:2rem;color:#1a3a06;margin-bottom:1rem;}
.contact-info .sub{font-size:1rem;color:#888;margin-bottom:2rem;line-height:1.8;}
.contact-list{display:flex;flex-direction:column;gap:1.2rem;margin-bottom:2rem;}
.contact-row{
    display:flex;align-items:center;gap:1rem;
    padding:1rem 1.2rem;background:#fff;border-radius:12px;
    box-shadow:0 2px 8px rgba(0,0,0,.05);
}
.contact-row .ci{
    width:42px;height:42px;
    background:linear-gradient(135deg,#e8f5e2,#d4edcc);
    border-radius:10px;display:flex;justify-content:center;align-items:center;
}
.contact-row .ci i{color:#4a7c1f;font-size:1.1rem;}
.contact-row .ct strong{display:block;font-size:.85rem;color:#aaa;margin-bottom:2px;}
.contact-row .ct span{color:#333;font-size:.95rem;}
.contact-form-wrap{background:#fff;border-radius:20px;padding:2.2rem;box-shadow:0 6px 30px rgba(0,0,0,.08);}
.contact-form-wrap h3{font-size:1.2rem;color:#1a3a06;margin-bottom:1.5rem;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem;}
.contact-form-wrap input,
.contact-form-wrap textarea,
.contact-form-wrap select{
    width:100%;padding:12px 14px;
    border:1.5px solid #e8e8e8;border-radius:10px;
    font-size:.95rem;color:#333;transition:border-color .3s;
    font-family:inherit;background:#fafaf8;
}
.contact-form-wrap input:focus,
.contact-form-wrap textarea:focus,
.contact-form-wrap select:focus{outline:none;border-color:#4a7c1f;background:#fff;}
.contact-form-wrap textarea{resize:vertical;min-height:100px;margin-bottom:1rem;}
.contact-form-wrap select{margin-bottom:1rem;cursor:pointer;}
.submit-btn{
    width:100%;padding:13px;
    background:linear-gradient(135deg,#4a7c1f,#5b9424);
    color:#fff;border:none;border-radius:10px;
    font-size:1rem;font-weight:500;cursor:pointer;
    transition:all .3s;letter-spacing:1px;
}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(74,124,31,.35);}

/* ===== 页脚 ===== */
.footer{background:#1a3a06;color:#ccc;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.footer-brand h3{font-family:'Noto Serif SC',serif;font-size:1.6rem;color:#fff;margin-bottom:.8rem;letter-spacing:2px;}
.footer-brand p{font-size:.9rem;line-height:1.8;margin-bottom:1.2rem;}
.socials{display:flex;gap:.8rem;}
.socials a{
    width:38px;height:38px;background:rgba(255,255,255,.08);
    border-radius:50%;display:flex;justify-content:center;align-items:center;
    color:#ccc;text-decoration:none;transition:all .3s;
}
.socials a:hover{background:#4a7c1f;color:#fff;transform:translateY(-3px);}
.footer-col h4{color:#8bc34a;font-size:.95rem;margin-bottom:1.2rem;letter-spacing:1px;}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:.6rem;}
.footer-col ul li a{color:#aaa;text-decoration:none;font-size:.88rem;transition:color .3s;}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{
    text-align:center;padding:20px 0;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:.85rem;color:#777;
}

/* ===== 响应式 ===== */
@media(max-width:992px){
    .about-grid,.contact-grid{grid-template-columns:1fr;}
    .product-grid{grid-template-columns:repeat(2,1fr);}
    .stats-grid{grid-template-columns:repeat(2,1fr);}
    .quality-grid{grid-template-columns:repeat(2,1fr);}
    .origin-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
    .nav-menu{
        position:fixed;left:-100%;top:72px;flex-direction:column;
        background:#fff;width:100%;text-align:center;
        transition:.3s;box-shadow:0 10px 30px rgba(0,0,0,.08);padding:2rem 0;gap:1.2rem;
    }
    .nav-menu.active{left:0;}
    .nav-toggle{display:flex;}
    .nav-toggle.active .bar:nth-child(2){opacity:0;}
    .nav-toggle.active .bar:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
    .nav-toggle.active .bar:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}
    .hero-inner{flex-direction:column;text-align:center;padding:40px 20px;}
    .hero-content h1{font-size:2.2rem;}
    .hero-buttons{justify-content:center;}
    .hero-visual{display:none;}
    .product-grid{grid-template-columns:1fr;}
    .quality-grid{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .stats-grid{grid-template-columns:repeat(2,1fr);}
}