:root{--color-dark: #1a1a1a;--color-gold: #b8944b;--color-bg: #ffffff;--color-white: #ffffff;--color-gray: #595959;--color-light-gray: #8c8c8c;--color-border: #e8e8e8;--font-serif: "Times New Roman", "Noto Serif SC", "STSong", "SimSun", "Songti SC", serif;--font-sans: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);color:var(--color-dark);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}.container{max-width:1260px;margin:0 auto;padding:0 32px}.header{position:fixed;top:0;left:0;right:0;z-index:100;padding:20px 0;transition:all .35s cubic-bezier(.4,0,.2,1);background:transparent}.header.scrolled{background:#fffffffa;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);padding:14px 0}.header-inner{display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;text-decoration:none;flex:1}.logo-img{height:52px;filter:brightness(0) invert(1);transition:filter .35s}.logo.dark .logo-img{filter:none}.nav{display:flex;gap:48px}.nav-link{text-decoration:none;color:#ffffffc7;font-size:15px;letter-spacing:3px;transition:color .3s;position:relative;padding-bottom:4px}.header.scrolled .nav-link{color:var(--color-gray)}.nav-link:hover,.nav-link.active{color:var(--color-gold)}.nav-link.active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:20px;height:1px;background:var(--color-gold)}.header-spacer{flex:1}.mobile-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;z-index:101}.mobile-toggle span{display:block;width:22px;height:1px;background:#fff;transition:all .3s}.header.scrolled .mobile-toggle span{background:var(--color-dark)}.mobile-toggle.open span:nth-child(1){transform:rotate(45deg) translate(4px,4px)}.mobile-toggle.open span:nth-child(2){opacity:0}.mobile-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}.mobile-nav{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#1a1a1afa;flex-direction:column;align-items:center;justify-content:center;gap:32px;z-index:100}.mobile-nav.open{display:flex}.mobile-link{color:#ccc;font-size:22px;letter-spacing:6px;text-decoration:none;transition:color .3s}.mobile-link:hover{color:var(--color-gold)}.main-content{min-height:100vh}.footer{background:var(--color-dark);color:#8c8c8c;padding:80px 0 40px}.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:48px}.footer-brand{display:flex;align-items:center}.footer-brand-img{height:40px;opacity:.6}.footer-logo-icon{display:none}.footer-logo-icon{font-size:24px;color:var(--color-gold)}.footer-tagline{color:var(--color-gold);font-size:13px;letter-spacing:3px;margin-top:8px}.footer-copy{font-size:12px;color:#595959;margin-top:24px}.footer-col h4{font-size:13px;letter-spacing:3px;color:#aaa;margin-bottom:20px;font-weight:400;text-transform:uppercase}.footer-col a{display:block;color:#8c8c8c;text-decoration:none;margin-bottom:12px;font-size:14px;transition:color .3s}.footer-col a:hover{color:var(--color-gold)}.footer-col p{margin-bottom:10px;font-size:14px;line-height:1.8}.footer-sub{font-size:12px;color:#666}@media (max-width: 768px){.nav{display:none}.mobile-toggle{display:flex}.header-spacer{display:none}.footer-inner{grid-template-columns:1fr;gap:36px}.logo-text{font-size:18px;letter-spacing:3px}.container{padding:0 20px}}