*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft YaHei","微软雅黑",Arial,sans-serif;}
:root{--primary:#8B0000;--secondary:#D4AF37;--light:#F8F8F8;--dark:#333333;--gray:#777777;--shadow:0 4px 12px rgba(0,0,0,0.1);}
body{background-color:#f9f9f9;color:var(--dark);line-height:1.6;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 15px;}
.btn{display:inline-block;padding:12px 24px;background-color:var(--primary);color:white;border:none;border-radius:4px;font-weight:bold;cursor:pointer;transition:all 0.3s ease;text-align:center;}
.btn:hover{background-color:#a00000;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-secondary{background-color:var(--secondary);color:var(--dark);}
.btn-secondary:hover{background-color:#e6c158;}
.section{padding:60px 0;}
.section-title{text-align:center;margin-bottom:40px;position:relative;}
.section-title h2{font-size:32px;color:var(--primary);margin-bottom:15px;}
.section-title::after{content:'';display:block;width:80px;height:3px;background-color:var(--secondary);margin:0 auto;}
header{background-color:white;box-shadow:var(--shadow);position:sticky;top:0;z-index:1000;}
.header-top{background-color:var(--dark);color:white;padding:10px 0;font-size:14px;}
.header-top .container{display:flex;justify-content:space-between;align-items:center;}
.phone-link{font-size:18px;font-weight:bold;color:var(--secondary);}
.header-main{padding:15px 0;}
.header-main .container{display:flex;justify-content:space-between;align-items:center;}
.logo{font-size:24px;font-weight:bold;color:var(--primary);}
.logo span{color:var(--secondary);}
.nav-menu{display:flex;position:relative;}
.nav-menu li{margin-left:25px;position:relative;}
.nav-menu a{font-weight:500;transition:color 0.3s;display:flex;align-items:center;}
.nav-menu a:hover{color:var(--primary);}
.nav-dropdown{position:relative;}
.nav-dropdown>a::after{content:'▼';font-size:10px;margin-left:5px;transition:transform 0.3s;}
.nav-dropdown:hover>a::after{transform:rotate(180deg);}
.nav-dropdown-menu{position:absolute;top:100%;left:0;background-color:white;min-width:200px;border-radius:4px;box-shadow:var(--shadow);padding:10px 0;z-index:1000;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all 0.3s;}
.nav-dropdown:hover .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0);}
.nav-dropdown-item{padding:8px 20px;font-size:14px;transition:all 0.3s;display:block;}
.nav-dropdown-item:hover{background-color:var(--light);color:var(--primary);}
.mobile-menu-btn{display:none;font-size:24px;cursor:pointer;}
.hero{background-color: #161616;color:white;text-align:center;padding:100px 0;}
.hero h1{font-size:42px;margin-bottom:20px;line-height:1.2;}
.hero p{font-size:20px;margin-bottom:30px;max-width:800px;margin-left:auto;margin-right:auto;}
.hero-btns{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;}
.advantages{background-color:white;}
.advantages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;}
.advantage-item{text-align:center;padding:30px 20px;border-radius:8px;box-shadow:var(--shadow);transition:transform 0.3s;}
.advantage-item:hover{transform:translateY(-10px);}
.advantage-icon{font-size:48px;color:var(--primary);margin-bottom:20px;}
.advantage-item h3{font-size:20px;margin-bottom:15px;}
.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;}
.category-item{background-color:white;border-radius:8px;overflow:hidden;box-shadow:var(--shadow);transition:transform 0.3s;}
.category-item:hover{transform:translateY(-5px);}
.category-img{height:200px;background-color:#2b2727;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.category-img img{height:100%;object-fit:cover;transition:transform 0.5s;}
.category-item:hover .category-img img{transform:scale(1.05);}
.category-content{padding:20px;position:relative;}
.category-content h3{font-size:20px;margin-bottom:10px;color:var(--primary);}
.dropdown{position:relative;margin-top:15px;}
.dropdown-toggle{font-size:14px;color:#772424;}
.dropdown-menu{position:absolute;top:100%;left:0;right:0;background-color:white;border-radius:4px;box-shadow:var(--shadow);padding:10px 0;z-index:100;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all 0.3s;}
.dropdown-menu.active{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-item{padding:8px 15px;font-size:14px;transition:all 0.3s;display:flex;justify-content:space-between;}
.dropdown-item:hover{background-color:var(--light);color:var(--primary);}
.item-price{color:var(--secondary);font-weight:bold;}
.process{background-color:var(--light);}
.process-steps{display:flex;justify-content:space-between;flex-wrap:wrap;max-width:900px;margin:0 auto;}
.process-step{text-align:center;flex:1;min-width:200px;margin-bottom:30px;position:relative;}
.process-step:not(:last-child)::after{content:'→';position:absolute;right:-20px;top:40px;font-size:30px;color:var(--gray);}
.step-number{width:80px;height:80px;background-color:var(--primary);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:bold;margin:0 auto 15px;}
.service-areas{background-color:white;}
.areas-list{display:flex;flex-wrap:wrap;justify-content:center;gap:15px;max-width:800px;margin:0 auto;}
.area-tag{background-color:var(--light);padding:10px 20px;border-radius:30px;font-weight:500;transition:all 0.3s;}
.area-tag:hover{background-color:var(--primary);color:white;}
.articles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;}
.article-item{background-color:white;border-radius:8px;overflow:hidden;box-shadow:var(--shadow);transition:transform 0.3s;}
.article-item:hover{transform:translateY(-5px);}
.article-img{height:180px;background-color:#eee;overflow:hidden;display:flex;justify-content:center;background-color:#2b2727;}
.article-img img{height:100%;object-fit:cover;transition:transform 0.5s;}
.article-item:hover .article-img img{transform:scale(1.05);}
.article-content{padding:20px;}
.article-content h3{font-size:18px;margin-bottom:10px;}
.article-meta{font-size:14px;color:var(--gray);margin-bottom:10px;}
.friend-links{background-color:var(--light);padding:40px 0;border-top:1px solid rgba(0,0,0,0.05);}
.friend-links .container{text-align:center;}
.friend-links h3{font-size:20px;margin-bottom:20px;color:var(--primary);}
.friend-links-list{display:flex;flex-wrap:wrap;justify-content:center;gap:15px;max-width:800px;margin:0 auto;}
.friend-link{background-color:white;padding:8px 20px;border-radius:4px;font-size:14px;transition:all 0.3s;box-shadow:0 2px 5px rgba(0,0,0,0.05);}
.friend-link:hover{background-color:var(--primary);color:white;transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,0.1);}
footer{background-color:var(--dark);color:white;padding:60px 0 20px;}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;margin-bottom:40px;}
.footer-column h3{font-size:20px;margin-bottom:20px;color:var(--secondary);position:relative;padding-bottom:10px;}
.footer-column h3::after{content:'';position:absolute;left:0;bottom:0;width:40px;height:2px;background-color:var(--secondary);}
.footer-links li{margin-bottom:10px;}
.footer-links a:hover{color:var(--secondary);}
.contact-info li{margin-bottom:15px;display:flex;align-items:flex-start;}
.contact-icon{margin-right:10px;color:var(--secondary);}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,0.1);font-size:14px;}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:60px;background-color:#333333;display:none;justify-content:space-around;align-items:center;z-index:1000;}
.nav-item{text-align:center;color:white;font-size:12px;display:flex;flex-direction:column;align-items:center;text-decoration:none;}
.nav-icon{font-size:24px;margin-bottom:4px;color:white;}
.nav-item:hover .nav-icon,.nav-item:hover div{opacity:0.8;}
@media (max-width:768px){.bottom-nav{display:flex;}.phone-link{display:none;}.nav-menu{display:none;position:absolute;top:100%;left:0;width:100%;background-color:white;flex-direction:column;box-shadow:var(--shadow);padding:20px 0;}.nav-menu.active{display:flex;}.nav-menu li{margin:0;text-align:center;}.nav-menu a{display:block;padding:12px 20px;justify-content:center;}.nav-dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background-color:transparent;padding:0;display:none;}.nav-dropdown.active .nav-dropdown-menu{display:block;}.nav-dropdown>a::after{content:'▶';transform:rotate(0);}.nav-dropdown.active>a::after{transform:rotate(90deg);}.mobile-menu-btn{display:block;}.hero h1{font-size:30px;}.hero p{font-size:18px;}.section-title h2{font-size:28px;}.friend-links-list{gap:10px;}.friend-link{padding:6px 15px;font-size:13px;}}
@media (max-width:992px){.hero h1{font-size:36px;}.process-step:not(:last-child)::after{display:none;}}
@media (max-width:576px){.hero{padding:80px 0;}.hero h1{font-size:26px;}.hero-btns{flex-direction:column;align-items:center;}.btn{width:100%;max-width:300px;}.section{padding:40px 0;}.friend-links-list{gap:8px;}.friend-link{padding:5px 12px;font-size:12px;}.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;margin-top:10px;display:none;}.dropdown-menu.active{display:block;}}