/* ==================== 高端配色方案 ==================== */
:root {/* 主色调：深邃墨黑 - 体现高端沉稳 */    --primary-dark:#0a0a0a;--primary-charcoal:#1a1a1a;--secondary-dark:#2d2d2d;/* 辅助色：香槟金 - 体现奢华质感 */    --gold-primary:#c9a962;--gold-light:#e8d5a3;--gold-dark:#a08440;/* 点缀色：暖白与灰 */    --cream:#f5f3f0;--warm-white:#faf9f7;--text-gray:#666666;--text-light:#999999;/* 功能色 */    --overlay-dark:rgba(10,10,10,0.85);--overlay-gradient:linear-gradient(135deg,rgba(10,10,10,0.9) 0%,rgba(26,26,26,0.7) 100%);--font-primary:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--transition-smooth:all 0.4s cubic-bezier(0.4,0,0.2,1);--shadow-elegant:0 20px 60px rgba(0,0,0,0.3);}
* {margin:0;padding:0;box-sizing:border-box;}
html {scroll-behavior:smooth;}
body {font-family:var(--font-primary);background:var(--warm-white);color:var(--primary-charcoal);line-height:1.6;overflow-x:hidden;}
/* ==================== 导航栏 - 透明渐变 ==================== */
.header {position:fixed;top:0;left:0;right:0;z-index:1000;transition:var(--transition-smooth);padding:20px 0;}
.header.scrolled {background:rgba(10,10,10,0.95);backdrop-filter:blur(20px);padding:15px 0;box-shadow:0 4px 30px rgba(0,0,0,0.3);}
.header-inner {max-width:1400px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between;}
.logo {display:flex;align-items:center;gap:12px;text-decoration:none;z-index:1001;}
.logo-icon {width:45px;height:45px;background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;color:white;font-size:20px;box-shadow:0 4px 15px rgba(201,169,98,0.3);}
.logo-text {display:flex;flex-direction:column;}
.logo-name {font-size:1.4rem;font-weight:700;color:white;letter-spacing:2px;}
.logo-slogan {font-size:0.75rem;color:var(--gold-primary);letter-spacing:1px;text-transform:uppercase;}
/* 导航菜单 */
.nav-menu {display:flex;align-items:center;gap:40px;list-style:none;}
.nav-link {color:rgba(255,255,255,0.9);text-decoration:none;font-size:0.95rem;font-weight:500;letter-spacing:1px;position:relative;padding:5px 0;transition:var(--transition-smooth);}
.nav-link::after {content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gold-primary);transition:var(--transition-smooth);}
.nav-link:hover {color:var(--gold-primary);}
.nav-link:hover::after {width:100%;}
.header-cta {display:flex;align-items:center;gap:30px;}
.phone-info {text-align:right;}
.phone-label {display:block;font-size:0.7rem;color:var(--gold-primary);letter-spacing:1px;text-transform:uppercase;margin-bottom:2px;}
.phone-number {font-size:1.1rem;color:white;font-weight:600;letter-spacing:1px;}
.btn-primary {background:linear-gradient(135deg,var(--gold-primary),var(--gold-dark));color:var(--primary-dark);padding:14px 32px;border-radius:4px;text-decoration:none;font-weight:600;font-size:0.9rem;letter-spacing:1px;transition:var(--transition-smooth);border:none;cursor:pointer;box-shadow:0 4px 20px rgba(201,169,98,0.3);}
.btn-primary:hover {transform:translateY(-2px);box-shadow:0 8px 30px rgba(201,169,98,0.4);}
.btn-outline {background:transparent;color:white;padding:12px 30px;border:1px solid rgba(255,255,255,0.3);border-radius:4px;text-decoration:none;font-weight:500;transition:var(--transition-smooth);}
.btn-outline:hover {background:white;color:var(--primary-dark);}
/* 移动端菜单按钮 */
.mobile-menu-btn {display:none;flex-direction:column;gap:6px;background:none;border:none;cursor:pointer;z-index:1001;padding:10px;}
.mobile-menu-btn span {display:block;width:28px;height:2px;background:white;transition:var(--transition-smooth);}

/* ==================== CTA区域 ==================== */
.cta-section {padding:120px 0;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--secondary-dark) 100%);position:relative;overflow:hidden;}
.cta-section::before {content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a962' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");opacity:0.5;}
.cta-content {text-align:center;position:relative;z-index:1;max-width:800px;margin:0 auto;}
.cta-title {font-size:3rem;color:white;margin-bottom:24px;font-weight:700;}
.cta-title span {color:var(--gold-primary);}
.cta-desc {color:rgba(255,255,255,0.8);font-size:1.2rem;margin-bottom:50px;line-height:1.8;}
.cta-buttons {display:flex;gap:20px;justify-content:center;flex-wrap:wrap;}
.cta-phone {font-size:2.5rem;color:var(--gold-primary);text-decoration:none;font-weight:700;letter-spacing:2px;display:block;margin-bottom:10px;}
.cta-phone-label {color:rgba(255,255,255,0.6);font-size:0.9rem;letter-spacing:2px;text-transform:uppercase;}
/* ==================== 页脚 ==================== */
.footer {background:var(--primary-dark);color:white;padding:80px 0 0;}
.footer-grid {display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:60px;margin-bottom:60px;}
.footer-brand {max-width:350px;}
.footer-logo {font-size:1.8rem;font-weight:700;color:white;margin-bottom:20px;display:flex;align-items:center;gap:12px;}
.footer-desc {color:rgba(255,255,255,0.6);line-height:1.9;margin-bottom:30px;}
.footer-title {font-size:1.1rem;font-weight:600;margin-bottom:24px;color:white;letter-spacing:1px;}
.footer-links {list-style:none;}
.footer-links li {margin-bottom:14px;}
.footer-links a {color:rgba(255,255,255,0.6);text-decoration:none;transition:var(--transition-smooth);display:flex;align-items:center;gap:10px;}
.footer-links a::before {content:'→';color:var(--gold-primary);opacity:0;transform:translateX(-10px);transition:var(--transition-smooth);}
.footer-links a:hover {color:var(--gold-primary);padding-left:5px;}
.footer-links a:hover::before {opacity:1;transform:translateX(0);}
.footer-contact li {display:flex;gap:16px;margin-bottom:20px;color:rgba(255,255,255,0.7);}
.contact-icon {width:24px;height:24px;color:var(--gold-primary);flex-shrink:0;}
.footer-bottom {border-top:1px solid rgba(255,255,255,0.1);padding:30px 0;display:flex;justify-content:space-between;align-items:center;color:rgba(255,255,255,0.5);font-size:0.9rem;}
.footer-bottom a {color:rgba(255,255,255,0.5);text-decoration:none;transition:var(--transition-smooth);}
.footer-bottom a:hover {color:var(--gold-primary);}
.footer .container {max-width:1400px;margin:0 auto;padding:0 40px;}
/* ==================== 浮动按钮 ==================== */
.float-cta {position:fixed;right:30px;bottom:100px;z-index:999;display:flex;flex-direction:column;gap:16px;}
.float-btn {width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;text-decoration:none;box-shadow:0 8px 30px rgba(0,0,0,0.3);transition:var(--transition-smooth);position:relative;font-size:1.5rem;}
.float-btn-phone {background:var(--gold-primary);color:var(--primary-dark);}
.float-btn-wechat {background:#07c160;cursor:pointer;}
.float-btn-top {background:var(--secondary-dark);opacity:0;visibility:hidden;transform:translateY(20px);}
.float-btn-top.visible {opacity:1;visibility:visible;transform:translateY(0);cursor:pointer;}
.float-btn:hover {transform:scale(1.1) translateY(-5px);}
.float-tooltip {position:absolute;right:75px;background:var(--primary-dark);color:white;padding:10px 20px;border-radius:4px;font-size:0.85rem;white-space:nowrap;opacity:0;visibility:hidden;transition:var(--transition-smooth);box-shadow:0 4px 20px rgba(0,0,0,0.2);}
.float-btn:hover .float-tooltip {opacity:1;visibility:visible;}
/* ==================== 响应式设计 ==================== */
@media (max-width:1200px) {.services-grid,.cases-grid,.testimonials-grid {grid-template-columns:repeat(2,1fr);}
.about-grid {gap:60px;}
}
@media (max-width:1024px) {.header-inner {padding:0 20px;}
.nav-menu {position:fixed;top:0;right:-100%;width:80%;max-width:400px;height:100vh;background:var(--primary-dark);flex-direction:column;padding:100px 40px;gap:30px;transition:right 0.4s ease;box-shadow:-10px 0 50px rgba(0,0,0,0.5);}
.nav-menu.active {right:0;}
.mobile-menu-btn {display:flex;}
.mobile-menu-btn.active span:nth-child(1) {transform:rotate(45deg) translate(5px,5px);}
.mobile-menu-btn.active span:nth-child(2) {opacity:0;}
.mobile-menu-btn.active span:nth-child(3) {transform:rotate(-45deg) translate(7px,-6px);}
.slide-title {font-size:2.8rem;}
.about-grid {grid-template-columns:1fr;}
.about-image {order:-1;}
.experience-badge {left:20px;bottom:-20px;padding:30px;}
.badge-number {font-size:3rem;}
.footer-grid {grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px) {
.nav-menu {position:fixed;top:0;right:-100%;width:80%;max-width:400px;height:100vh;background:var(--primary-dark);flex-direction:column;padding:100px 40px;gap:30px;transition:right 0.4s ease;box-shadow:-10px 0 50px rgba(0,0,0,0.5);}
.services-grid,.cases-grid,.testimonials-grid {grid-template-columns:1fr;}
.section-title {font-size:2rem;}
.slide-title {font-size:2rem;}
.slide-desc {font-size:1rem;}
.slide-cta {flex-direction:column;}
.btn-primary,.btn-outline {/*width:100%;*/text-align:center;}
.stats-grid {grid-template-columns:1fr;gap:30px;}
.cta-title {font-size:2rem;}
.cta-phone {font-size:1.8rem;}
.footer-grid {grid-template-columns:1fr;gap:40px;}
.footer-bottom {flex-direction:column;gap:15px;text-align:center;}
.float-cta {right:15px;bottom:80px;}
.float-btn {width:50px;height:50px;font-size:1.2rem;}
.arrow {width:45px;height:45px;}
.slider-arrows {padding:0 15px;}
.phone-info { display:none;}
.header-cta .btn-primary { display:none;}
.footer .container {margin:0 auto;padding:0 0px;}
.footer-grid {margin-bottom: 0px;}
.footer-grid {grid-template-columns:1fr;gap:40px;padding:0 20px;}
/* ==================== 页脚 ==================== */
.footer {background:var(--primary-dark);color:white;padding:30px 0 0;}
}
@media (max-width:480px) {/*.container {padding:0 20px;}*/
.section-title {font-size:1.6rem;}
.slide-title {font-size:1.6rem;}
.service-card {padding:30px;}
.testimonial-card {padding:30px;}
.experience-badge {padding:20px;}
.badge-number {font-size:2.5rem;}
}


/* ==================== 二级下拉导航 ==================== */
/* 下拉箭头样式 */
.dropdown-arrow {margin-left:6px;transition:transform 0.3s ease;opacity:0.7;}
/* 有下拉菜单的导航项 */
.has-dropdown {position:relative;}
/* 下拉菜单容器 */
.dropdown-menu {position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);background:rgba(10,10,10,0.98);backdrop-filter:blur(20px);min-width:200px;padding:15px 0;border-radius:4px;border:1px solid rgba(201,169,98,0.2);opacity:0;visibility:hidden;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);list-style:none;box-shadow:0 20px 60px rgba(0,0,0,0.4);z-index:1000;}
/* 下拉菜单顶部装饰线 */
.dropdown-menu::before {content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold-primary),var(--gold-light));}
/* 下拉菜单项 */
.dropdown-menu li {margin:0;padding:0;}
.dropdown-menu a {display:block;padding:12px 25px;color:rgba(255,255,255,0.85);text-decoration:none;font-size:0.9rem;font-weight:500;letter-spacing:1px;transition:all 0.3s ease;position:relative;white-space:nowrap;}
.dropdown-menu a::before {content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold-primary);transform:scaleY(0);transition:transform 0.3s ease;}
.dropdown-menu a:hover {color:var(--gold-primary);background:rgba(201,169,98,0.08);padding-left:30px;}
.dropdown-menu a:hover::before {transform:scaleY(1);}
/* 鼠标悬停显示下拉菜单 */
.has-dropdown:hover .dropdown-menu {opacity:1;visibility:visible;}
.has-dropdown:hover .dropdown-arrow {transform:rotate(180deg);opacity:1;color:var(--gold-primary);}
/* 滚动后导航栏背景下的下拉菜单调整 */
.header.scrolled .dropdown-menu {background:rgba(10,10,10,0.98);margin-top:15px;}
/* ==================== 移动端二级导航 ==================== */
@media (max-width:1024px) {/* 防止页面滚动时导航栏偏移 */    body.menu-open {overflow:hidden;position:fixed;width:100%;height:100%;}
/* 确保导航菜单在视口内 */    
.nav-menu {position:fixed;top:0;right:-100%;width:80%;max-width:400px;height:100vh;height:100dvh;/* 使用动态视口高度 */        background:var(--primary-dark);flex-direction:column;padding:100px 40px 50px;gap:0;transition:right 0.4s ease;box-shadow:-10px 0 50px rgba(0,0,0,0.5);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;z-index:999;}
.nav-menu.active {right:0;}
/* 一级导航项样式 */    
.nav-menu > li {width:100%;border-bottom:1px solid rgba(255,255,255,0.08);}
.nav-menu > li:last-child {border-bottom:none;}
/* 普通导航链接 */    
.nav-link {display:block;padding:20px 0;font-size:1.1rem;width:100%;}
/* 移动端下拉菜单样式 */    
.has-dropdown {position:relative;width:100%;}
.dropdown-arrow {position:absolute;right:-10px;top:20px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;pointer-events:none;transition:transform 0.3s ease;}
/* 移动端下拉菜单默认隐藏 */    
.dropdown-menu {position:static;transform:none;opacity:1;visibility:visible;display:none;background:rgba(0,0,0,0.25);backdrop-filter:none;border:none;border-left:3px solid var(--gold-primary);box-shadow:none;min-width:auto;margin:0 0 15px 15px;padding:0;border-radius:0;max-height:0;overflow:hidden;transition:max-height 0.4s ease,margin 0.3s ease,padding 0.3s ease;}
.dropdown-menu::before {display:none;}
.dropdown-menu li {width:100%;}
.dropdown-menu a {display:block;padding:15px 20px;font-size:0.95rem;border-bottom:1px solid rgba(255,255,255,0.05);color:rgba(255,255,255,0.8);opacity:0;transform:translateX(-10px);transition:all 0.3s ease;}
.dropdown-menu a:hover,.dropdown-menu a:active {background:rgba(201,169,98,0.1);color:var(--gold-primary);padding-left:25px;}
.dropdown-menu li:last-child a {border-bottom:none;}
/* 激活状态的下拉菜单 */    
.has-dropdown.active .dropdown-menu {display:block;max-height:500px;padding:10px 0;margin-bottom:20px;}
.has-dropdown.active .dropdown-menu a {opacity:1;transform:translateX(0);transition-delay:0.1s;}
.has-dropdown.active .dropdown-arrow {transform:rotate(180deg);}
/* 一级导航链接调整 */    
.has-dropdown > .nav-link {display:flex;align-items:center;justify-content:space-between;padding-right:30px;width:100%;}
/* 移动端下拉菜单样式 */    
.has-dropdown {position:relative;width:100%;}
.dropdown-arrow {position:absolute;right:0;top:50%;transform:translateY(-50%);width:40px;height:40px;display:flex;align-items:center;justify-content:center;pointer-events:none;transition:transform 0.3s ease;}
/* 移动端下拉菜单默认隐藏 */    
.dropdown-menu {position:static;transform:none;opacity:1;visibility:visible;display:none;background:rgba(0,0,0,0.3);backdrop-filter:none;border:none;border-left:3px solid var(--gold-primary);box-shadow:none;min-width:auto;margin:10px 0 10px 20px;padding:10px 0;border-radius:0;max-height:0;overflow:hidden;transition:max-height 0.4s ease,margin 0.3s ease;}
.dropdown-menu::before {display:none;}
.dropdown-menu a {padding:15px 25px;font-size:0.95rem;border-bottom:1px solid rgba(255,255,255,0.05);opacity:0;transform:translateX(-10px);transition:all 0.3s ease;}
.dropdown-menu a:hover {background:rgba(201,169,98,0.1);padding-left:30px;}
.dropdown-menu li:last-child a {border-bottom:none;}
/* 激活状态的下拉菜单 */    
.has-dropdown.active .dropdown-menu {display:block;max-height:500px;}
.has-dropdown.active .dropdown-menu a {opacity:1;transform:translateX(0);transition-delay:0.1s;}
.has-dropdown.active .dropdown-arrow {transform:translateY(-50%) rotate(180deg);}
/* 一级导航链接调整 */    
.has-dropdown > .nav-link {display:flex;align-items:center;justify-content:space-between;padding-right:40px;width:100%;}
/* 确保移动端导航菜单可以正常滚动 */    
.nav-menu {overflow-y:auto;padding-bottom:50px;}
}
/* 小屏幕优化 */
@media (max-width:768px) {.dropdown-menu {margin-left:15px;}
.dropdown-menu a {padding:12px 20px;font-size:0.9rem;}
}





/* ==================== 微信分享网址 ==================== */
/* 弹窗遮罩 */        
.modal-overlay {position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);backdrop-filter:blur(5px);display:none;align-items:center;justify-content:center;z-index:1000;opacity:0;transition:opacity 0.3s ease;}
.modal-overlay.active {display:flex;opacity:1;}
/* 弹窗内容 */        
.modal-content {background:white;padding:40px;border-radius:20px;text-align:center;max-width:90%;width:320px;transform:scale(0.8) translateY(20px);transition:all 0.3s cubic-bezier(0.34,1.56,0.64,1);box-shadow:0 20px 60px rgba(0,0,0,0.3);}
.modal-overlay.active .modal-content {transform:scale(1) translateY(0);}
.modal-title {font-size:20px;font-weight:600;color:#333;margin-bottom:8px;}
.modal-subtitle {font-size:14px;color:#666;margin-bottom:24px;}
#qrcode {margin:0 auto 20px;padding:15px;background:#f5f5f5;border-radius:12px;display:inline-block;}
#qrcode img,#qrcode canvas {display:block;border-radius:8px;}
.url-text {font-size:12px;color:#999;word-break:break-all;margin-bottom:20px;padding:10px;background:#f9f9f9;border-radius:8px;}
.close-btn {background:#07c160;color:white;border:none;padding:12px 32px;border-radius:25px;font-size:16px;cursor:pointer;font-weight:500;transition:all 0.3s ease;}
.close-btn:hover {background:#06ad56;transform:scale(1.05);}
/* 提示信息 */        
.tips {margin-top:12px;font-size:13px;color:#888;}
.tips::before {content:"💡 ";}