*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:#fff;color:#1A1A1A;line-height:1.6}
a{color:inherit;text-decoration:none}button{font-family:inherit}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid #F5F5F5;padding:0 60px;display:flex;justify-content:space-between;align-items:center;height:72px}
.logo{font-size:22px;font-weight:800;color:#C41E3A}.logo span{color:#1A1A1A}
.nav-links{display:flex;gap:40px;list-style:none}
.nav-links a{color:#666;font-size:14px;font-weight:500;padding:24px 0;display:block;position:relative}
.nav-links a::after{content:"";position:absolute;bottom:18px;left:0;right:0;height:2px;background:#C41E3A;transform:scaleX(0);transition:transform .3s}
.nav-links a:hover{color:#1A1A1A}.nav-links a:hover::after{transform:scaleX(1)}
.nav-item-has-dropdown{position:relative}
.dropdown-menu{position:absolute;top:100%;left:0;min-width:160px;background:#fff;border:1px solid #F5F5F5;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.1);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;padding:12px 0;list-style:none;z-index:1001}
.nav-item-has-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu li a{display:block;padding:10px 20px;color:#666;font-size:14px;transition:all .2s}
.dropdown-menu li a:hover{color:#C41E3A;background:rgba(196,30,58,.05)}
.nav-cta{background:#C41E3A;color:#fff;padding:10px 26px;border-radius:50px;font-size:14px;font-weight:600}
/* Hamburger Menu */
.hamburger{display:none;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;background:none;border:none;cursor:pointer;z-index:1001}
.hamburger span{display:block;width:24px;height:2px;background:#1A1A1A;margin:2px 0;transition:all .3s}
/* Mobile Overlay */
.mobile-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:999;opacity:0;visibility:hidden;transition:all .3s}
.mobile-overlay.active{opacity:1;visibility:visible}
/* Mobile Menu */
.mobile-menu{position:fixed;top:0;right:-100%;width:300px;max-width:85%;height:100%;background:#fff;z-index:1000;box-shadow:-4px 0 20px rgba(0,0,0,.1);transition:right .3s ease;display:flex;flex-direction:column}
.mobile-menu.active{right:0}
.mobile-menu-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #F5F5F5}
.mobile-menu-logo{font-size:20px;font-weight:700;color:#C41E3A}
.mobile-menu-close{width:40px;height:40px;background:none;border:none;font-size:28px;cursor:pointer;color:#666;display:flex;align-items:center;justify-content:center}
.mobile-menu-links{flex:1;overflow-y:auto;padding:24px 0;list-style:none}
.mobile-menu-links li{border-bottom:1px solid #F5F5F5}
.mobile-menu-links a{display:block;padding:16px 24px;color:#333;font-size:16px;font-weight:500;text-decoration:none;transition:all .2s}
.mobile-menu-links a:hover{color:#C41E3A;background:rgba(196,30,58,.05)}
.mobile-dropdown .mobile-dropdown-menu{display:none;background:#F8F8F8;padding:0}
.mobile-dropdown.open .mobile-dropdown-menu{display:block}
.mobile-dropdown-menu li{border-bottom:1px solid #eee}
.mobile-dropdown-menu a{padding-left:40px;font-size:14px;color:#666}
.dropdown-arrow{display:inline-block;margin-left:8px;transition:transform .2s}
.mobile-dropdown.open .dropdown-arrow{transform:rotate(180deg)}
.mobile-menu-cta{display:block;margin:24px;text-align:center;background:#C41E3A;color:#fff;padding:14px 32px;border-radius:50px;font-size:16px;font-weight:600;text-decoration:none;transition:all .3s}
.mobile-menu-cta:hover{background:#a31830}
.page-hero{min-height:50vh;background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6)),url('images/contact_bj.jpg');background-size:cover;background-position:center;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:120px 80px;color:#fff;position:relative}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(196,30,58,.2) 0%,transparent 70%)}
.page-hero h1{font-size:clamp(40px,5.5vw,64px);font-weight:900;line-height:1.15;margin-bottom:16px;position:relative;z-index:1}
.page-hero h1 em{color:#C41E3A;font-style:normal}
.page-hero .page-breadcrumb{font-size:14px;color:rgba(255,255,255,.7);position:relative;z-index:1}
.page-hero .page-breadcrumb a{color:rgba(255,255,255,.8)}.page-hero .page-breadcrumb a:hover{color:#fff}
section{padding:100px 80px}
.section-eyebrow{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:3px;color:#C41E3A;margin-bottom:16px}
h2.section-title{font-size:clamp(32px,4vw,48px);font-weight:800;line-height:1.2;margin-bottom:24px}
.contact-section{background:#F5F5F5}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;max-width:1600px;margin:0 auto}
.contact-info{background:#fff;border:2px solid #1A1A1A;border-radius:20px;padding:48px}
.contact-info h3{font-size:24px;font-weight:700;margin-bottom:32px}
.info-list{list-style:none}
.info-item{display:flex;gap:16px;margin-bottom:24px}
.info-icon{width:48px;height:48px;background:rgba(196,30,58,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.info-content h4{font-size:16px;font-weight:600;margin-bottom:4px}
.info-content p{font-size:14px;color:#888}
.contact-form{background:#fff;border:2px solid #1A1A1A;border-radius:20px;padding:48px}
.contact-form h3{font-size:24px;font-weight:700;margin-bottom:32px}
.form-group{margin-bottom:24px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form-input{width:100%;padding:14px 20px;border:2px solid #E5E5E5;border-radius:12px;font-size:15px;transition:all .3s}
.form-input:focus{outline:none;border-color:#1A1A1A}
.form-textarea{min-height:120px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.btn{padding:14px 36px;border-radius:50px;font-weight:600;font-size:14px;display:inline-block;border:none;transition:all .3s;cursor:pointer;background:#1A1A1A;color:#fff}.btn:hover{background:#333}
footer{padding:40px 80px;border-top:1px solid #F5F5F5;text-align:center;color:#999;font-size:13px}
@media(max-width:1024px){.nav-links,.nav-cta{display:none}.hamburger{display:flex}.contact-grid{grid-template-columns:1fr}}
@media(max-width:768px){.nav{padding:0 24px}.nav-links,.nav-cta{display:none}.hamburger{display:flex}.page-hero{padding:100px 20px 60px;min-height:40vh}section{padding:60px 20px}.form-row{grid-template-columns:1fr}.contact-info,.contact-form{padding:32px}footer{padding:40px 20px}}