/* ===== 全局重置与基础样式 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --green:#2e7d32;--green-light:#43a047;--green-dark:#1b5e20;
  --green-bg:#e8f5e9;--green-pale:#f1f8e9;
  --orange:#e65100;--orange-light:#ff6d00;
  --text:#1a1a1a;--text-muted:#666;--text-light:#999;
  --border:#e0e0e0;--bg:#f5f5f5;--white:#fff;
  --radius:8px;--radius-lg:12px;--radius-xl:20px;
  --shadow:0 2px 8px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(0,0,0,.12);
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,textarea,select{font-family:inherit}

/* ===== 布局工具 ===== */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{font-size:28px;font-weight:700;text-align:center;margin-bottom:8px;color:var(--text)}
.section-sub{font-size:15px;color:var(--text-muted);text-align:center;margin-bottom:40px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;border-radius:var(--radius-xl);font-size:15px;font-weight:600;transition:all .2s;line-height:1}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-light)}
.btn-outline{background:transparent;border:2px solid var(--green);color:var(--green)}
.btn-outline:hover{background:var(--green);color:#fff}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-light)}
.btn-lg{padding:16px 36px;font-size:17px}
.btn-sm{padding:8px 18px;font-size:13px}

/* ===== 顶部导航 ===== */
.topbar{background:#2e7d32;color:#fff;padding:8px 0;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#fff;margin-left:16px;opacity:.85}
.topbar a:hover{opacity:1}
.navbar{background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.08);position:sticky;top:0;z-index:100}
.navbar .container{display:flex;align-items:center;height:72px;gap:40px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:42px;height:42px;background:var(--green);border-radius:10px;display:flex;align-items:center;justify-content:center}
.logo-icon svg{fill:#fff}
.logo-text{font-size:20px;font-weight:700;color:var(--green-dark)}
.logo-sub{font-size:11px;color:var(--text-muted);display:block;line-height:1}
.nav-links{display:flex;gap:8px;flex:1}
.nav-links a{padding:8px 14px;border-radius:6px;font-size:15px;color:var(--text);transition:all .2s}
.nav-links a:hover,.nav-links a.active{color:var(--green);background:var(--green-bg)}
.nav-cta{display:flex;gap:10px;margin-left:auto;flex-shrink:0}
.tel-link{font-size:18px;font-weight:700;color:var(--green);display:flex;align-items:center;gap:6px}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}

/* ===== 英雄区 ===== */
.hero{background:linear-gradient(135deg,#1b5e20 0%,#2e7d32 50%,#388e3c 100%);color:#fff;padding:80px 0 60px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-60px;right:-80px;width:400px;height:400px;background:rgba(255,255,255,.05);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-100px;left:-60px;width:300px;height:300px;background:rgba(255,255,255,.04);border-radius:50%}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative}
.hero-title{font-size:42px;font-weight:800;line-height:1.2;margin-bottom:16px}
.hero-title span{color:#a5d6a7}
.hero-desc{font-size:17px;opacity:.9;margin-bottom:32px;line-height:1.7}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px;padding-top:32px;border-top:1px solid rgba(255,255,255,.2)}
.stat-item .num{font-size:32px;font-weight:800;color:#a5d6a7}
.stat-item .label{font-size:13px;opacity:.8;margin-top:2px}
.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-xl);padding:32px;backdrop-filter:blur(4px)}
.hero-card h3{font-size:18px;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.price-list{display:grid;gap:10px}
.price-row{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:rgba(255,255,255,.08);border-radius:var(--radius);font-size:14px}
.price-row .price{color:#ffcc02;font-weight:700;font-size:16px}
.price-row .change{font-size:12px;color:#a5d6a7}

/* ===== 服务特色 ===== */
.features{background:#fff}
.feature-card{background:var(--bg);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;transition:all .3s}
.feature-card:hover{background:var(--green-bg);transform:translateY(-4px);box-shadow:var(--shadow-md)}
.feature-icon{width:64px;height:64px;background:var(--green-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px}
.feature-card:hover .feature-icon{background:#fff}
.feature-card h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--green-dark)}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.6}

/* ===== 回收分类 ===== */
.categories{background:var(--bg)}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.cat-card{background:#fff;border-radius:var(--radius-lg);padding:24px 20px;text-align:center;border:1px solid var(--border);transition:all .3s;cursor:pointer;position:relative;overflow:hidden}
.cat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--green);transform:scaleX(0);transition:transform .3s}
.cat-card:hover{border-color:var(--green);box-shadow:var(--shadow-md)}
.cat-card:hover::before{transform:scaleX(1)}
.cat-icon{font-size:40px;margin-bottom:12px}
.cat-name{font-size:16px;font-weight:600;color:var(--text);margin-bottom:4px}
.cat-price{font-size:13px;color:var(--green);font-weight:600}
.cat-desc{font-size:12px;color:var(--text-light);margin-top:4px}

/* ===== 服务流程 ===== */
.process{background:#fff}
.process-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.process-steps::before{content:'';position:absolute;top:36px;left:10%;right:10%;height:2px;background:var(--border)}
.step-item{text-align:center;padding:0 12px;position:relative}
.step-num{width:72px;height:72px;background:var(--green);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:24px;color:#fff;position:relative;z-index:1}
.step-item h4{font-size:15px;font-weight:600;margin-bottom:6px}
.step-item p{font-size:13px;color:var(--text-muted)}

/* ===== 价格行情 ===== */
.prices{background:var(--bg)}
.price-table-wrap{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.price-tabs{display:flex;background:var(--bg);padding:4px;gap:4px}
.price-tab{padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all .2s}
.price-tab.active{background:#fff;color:var(--green);box-shadow:var(--shadow)}
.price-content{padding:24px}
table{width:100%;border-collapse:collapse}
th{background:var(--green-pale);color:var(--green-dark);font-size:13px;font-weight:600;padding:12px 16px;text-align:left}
td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border)}
tr:last-child td{border:none}
tr:hover td{background:var(--green-pale)}
.up{color:#d32f2f;font-weight:600}
.down{color:#2e7d32;font-weight:600}

/* ===== 在线预约 ===== */
.booking{background:var(--green-pale)}
.booking-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.booking-info h2{font-size:30px;font-weight:700;margin-bottom:12px;color:var(--green-dark)}
.booking-info p{font-size:15px;color:var(--text-muted);margin-bottom:24px;line-height:1.7}
.info-item{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start}
.info-icon{width:44px;height:44px;background:var(--green-bg);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:20px}
.info-item h4{font-size:15px;font-weight:600;margin-bottom:2px}
.info-item p{font-size:13px;color:var(--text-muted)}
.booking-form{background:#fff;border-radius:var(--radius-xl);padding:36px;box-shadow:var(--shadow-md)}
.booking-form h3{font-size:20px;font-weight:700;margin-bottom:24px;color:var(--green-dark);text-align:center}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);
  font-size:14px;outline:none;transition:border-color .2s;background:#fff;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--green)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group textarea{resize:vertical;min-height:80px}
.form-submit{width:100%;padding:16px;background:var(--green);color:#fff;border-radius:var(--radius-xl);font-size:16px;font-weight:700;cursor:pointer;transition:background .2s;border:none}
.form-submit:hover{background:var(--green-light)}

/* ===== 新闻资讯 ===== */
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:2fr 1fr;gap:32px}
.news-main .news-card{display:grid;grid-template-columns:260px 1fr;gap:20px;padding:20px;border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:16px;transition:all .2s}
.news-main .news-card:hover{border-color:var(--green);box-shadow:var(--shadow)}
.news-thumb{border-radius:var(--radius);overflow:hidden;background:#e8f5e9;display:flex;align-items:center;justify-content:center;color:var(--green);font-size:48px;flex-shrink:0;height:160px}
.news-meta{font-size:12px;color:var(--text-light);margin-bottom:8px;display:flex;gap:12px}
.news-tag{background:var(--green-bg);color:var(--green);padding:2px 8px;border-radius:20px;font-size:11px;font-weight:500}
.news-title{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.4;color:var(--text)}
.news-title:hover{color:var(--green)}
.news-excerpt{font-size:13px;color:var(--text-muted);line-height:1.6}
.news-side h3{font-size:16px;font-weight:600;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--green)}
.news-list-item{padding:12px 0;border-bottom:1px solid var(--border);display:flex;gap:12px;align-items:flex-start}
.news-list-item .dot{width:6px;height:6px;background:var(--green);border-radius:50%;flex-shrink:0;margin-top:7px}
.news-list-item a{font-size:14px;color:var(--text);line-height:1.5}
.news-list-item a:hover{color:var(--green)}
.news-list-date{font-size:11px;color:var(--text-light);display:block;margin-top:2px}

/* ===== 荣誉资质 ===== */
.honor{background:var(--bg)}
.honor-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.honor-card{background:#fff;border-radius:var(--radius-lg);padding:24px 16px;text-align:center;border:1px solid var(--border)}
.honor-icon{font-size:40px;margin-bottom:12px}
.honor-title{font-size:13px;color:var(--text-muted)}

/* ===== 合作伙伴 ===== */
.partners{background:#fff;padding:40px 0}
.partner-logos{display:flex;gap:32px;align-items:center;justify-content:center;flex-wrap:wrap}
.partner-logo{width:120px;height:60px;background:var(--bg);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-muted);font-weight:500;border:1px solid var(--border)}

/* ===== 底部 ===== */
.footer{background:#1a1a1a;color:#ccc;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo-text{color:#fff;font-size:22px}
.footer-brand p{font-size:14px;margin-top:12px;line-height:1.7;color:#999}
.footer-brand .social{display:flex;gap:10px;margin-top:16px}
.footer-brand .social a{width:36px;height:36px;background:#333;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#ccc;transition:background .2s}
.footer-brand .social a:hover{background:var(--green)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid #333}
.footer-col a{display:block;font-size:14px;color:#999;margin-bottom:8px;transition:color .2s}
.footer-col a:hover{color:var(--green-light)}
.footer-col .contact-item{display:flex;gap:10px;margin-bottom:12px;font-size:14px;color:#999;align-items:flex-start}
.footer-bottom{border-top:1px solid #333;padding:20px 0;display:flex;justify-content:space-between;font-size:13px;color:#666;flex-wrap:wrap;gap:8px}
.footer-bottom a{color:#666;margin-left:16px}
.footer-bottom a:hover{color:var(--green-light)}

/* ===== 浮动按钮 ===== */
.float-btns{position:fixed;right:20px;bottom:80px;display:flex;flex-direction:column;gap:10px;z-index:200}
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;box-shadow:var(--shadow-md);transition:transform .2s;border:none}
.float-btn:hover{transform:scale(1.1)}
.float-tel{background:var(--green);color:#fff}
.float-wechat{background:#07c160;color:#fff}
.float-top{background:#fff;color:var(--text-muted);border:1px solid var(--border)}
.float-booking{background:var(--orange);color:#fff}
.float-tooltip{position:absolute;right:62px;background:#333;color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s}
.float-btn:hover .float-tooltip{opacity:1}

/* ===== 面包屑 ===== */
.breadcrumb{background:#fff;padding:14px 0;border-bottom:1px solid var(--border)}
.breadcrumb .container{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--green)}
.breadcrumb .sep{color:var(--text-light)}

/* ===== 通知条 ===== */
.notice-bar{background:#fff3e0;border-bottom:1px solid #ffe0b2;padding:8px 0}
.notice-bar .container{display:flex;gap:12px;align-items:center;font-size:13px}
.notice-label{background:var(--orange);color:#fff;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:600;flex-shrink:0}

/* ===== 响应式 ===== */
@media(max-width:992px){
  .hero .container,.booking-wrap,.news-grid,.footer-grid{grid-template-columns:1fr}
  .grid-4,.honor-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:1fr 1fr;gap:24px}
  .process-steps::before{display:none}
  .hero-title{font-size:30px}
}
@media(max-width:768px){
  .nav-links,.topbar .info,.nav-cta .btn{display:none}
  .hamburger{display:flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .news-main .news-card{grid-template-columns:1fr}
  .news-thumb{height:120px}
  .section{padding:40px 0}
  .section-title{font-size:22px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .stat-item .num{font-size:22px}
  .honor-grid{grid-template-columns:repeat(3,1fr)}
}

/* ===== 动画 ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp .6s ease both}
.fade-up-2{animation:fadeUp .6s .15s ease both}
.fade-up-3{animation:fadeUp .6s .3s ease both}

/* ===== Toast提示 ===== */
.toast{position:fixed;top:80px;left:50%;transform:translateX(-50%);background:#333;color:#fff;padding:14px 28px;border-radius:var(--radius-xl);font-size:14px;z-index:9999;opacity:0;transition:opacity .3s;pointer-events:none}
.toast.show{opacity:1}

/* ===== 移动端菜单 ===== */
.mobile-menu{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;z-index:999;padding:80px 24px 24px;flex-direction:column}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:14px 0;font-size:18px;border-bottom:1px solid var(--border);color:var(--text)}
.mobile-close{position:absolute;top:20px;right:20px;font-size:28px;cursor:pointer;color:var(--text-muted)}