/* BASE.CSS - 通用样式（所有布局共享） */
*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:#FFFFFF;color:#1A1A1A;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button{font-family:inherit}
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:16px}
/* NAV */
.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;letter-spacing:-.5px}.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;transition:color .2s;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-cta{background:#C41E3A;color:#fff;padding:10px 26px;border-radius:50px;font-size:14px;font-weight:600;transition:all .3s}
.nav-cta:hover{background:#a31830}
/* Hamburger Menu */
.hamburger{display:none !important;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;background:none;border:none;cursor:pointer;z-index:1001;outline:none;padding:0;margin:0}
.hamburger span{display:block;width:24px;height:2px;background:#1A1A1A;margin:2px 0;transition:all .3s}
.hamburger span:first-child{margin-top:0}
.hamburger span:last-child{margin-bottom:0}
/* 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}
/* Dropdown Menu */
.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)}
/* BUTTONS */
.btn{padding:14px 36px;border-radius:50px;font-weight:600;font-size:14px;display:inline-block;border:none;transition:all .3s}
.btn-primary{background:#C41E3A;color:#fff}.btn-primary:hover{background:#a31830;transform:translateY(-2px);box-shadow:0 8px 24px rgba(196,30,58,.3)}
.btn-outline{border:2px solid #1A1A1A;color:#1A1A1A}.btn-outline:hover{background:#1A1A1A;color:#fff}
.btn-white{background:#fff;color:#1A1A1A}.btn-white:hover{background:#1A1A1A;color:#fff}
/* STATS */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.stat-card{background:#F5F5F5;border-radius:20px;padding:36px;text-align:center;transition:all .3s}
.stat-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.08)}
.stat-num{font-size:44px;font-weight:900;color:#C41E3A}
.stat-lbl{font-size:14px;color:#888;margin-top:8px}
/* PRODUCTS */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{background:#F5F5F5;border-radius:20px;overflow:hidden;transition:all .3s;list-style:none}
.product-card:hover{transform:translateY(-8px);box-shadow:0 20px 48px rgba(0,0,0,.1)}
.product-img{height:200px;background:linear-gradient(135deg,#f0f0f0,#e8e8e8);display:flex;align-items:center;justify-content:center;font-size:80px}
.product-info{padding:28px}.product-info h3{font-size:20px;font-weight:700;margin-bottom:10px}
.product-info p{font-size:14px;color:#888;line-height:1.7}
/* RD */
.rd-list{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.rd-item{background:#F5F5F5;border-radius:16px;padding:36px 28px;text-align:center;transition:all .3s}
.rd-item:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.rd-icon{font-size:42px;margin-bottom:16px;display:block}
.rd-item h3{font-size:16px;font-weight:700;margin-bottom:8px}
.rd-item p{font-size:13px;color:#888}
/* CERTS */
.cert-row{display:flex;justify-content:center;gap:20px;margin-top:60px;flex-wrap:wrap;list-style:none}
.cert-box{border:2px solid #1A1A1A;border-radius:16px;padding:32px 40px;min-width:200px;text-align:center;transition:all .3s;flex:1;max-width:260px}
.cert-box:hover{border-color:#C41E3A;background:#C41E3A;color:#fff}
.cert-box:hover .cert-desc{color:rgba(255,255,255,.7)}
.cert-icon{font-size:28px;margin-bottom:12px;display:block}
.cert-name{font-size:16px;font-weight:700;margin-bottom:4px;display:block}
.cert-desc{font-size:12px;color:#888;display:block}
/* FAQ - UL/LI */
.faq-list{list-style:none;max-width:860px}
.faq-item{background:#fff;border:1px solid #F5F5F5;border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .2s}
.faq-item:hover{border-color:#C41E3A}
.faq-q{width:100%;padding:24px 30px;background:none;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:600;color:#1A1A1A}
.faq-q:hover{color:#C41E3A}
.faq-q .icon{font-size:20px;color:#C41E3A;line-height:1;transition:transform .3s}
.faq-a{display:none;padding:0 30px 24px;font-size:15px;color:#666;line-height:1.8;border-top:1px solid #F5F5F5;padding-top:20px}
.faq-a.open{display:block}
/* FAQ v2 - 左红边 */
.faq-list-v2{list-style:none;max-width:860px}
.faq-item-v2{margin-bottom:12px;border-left:4px solid #C41E3A;background:#fff;border-radius:0 16px 16px 0;overflow:hidden}
.faq-q-v2{width:100%;padding:24px 30px;background:none;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:600;color:#1A1A1A}
.faq-q-v2:hover{color:#C41E3A}
.faq-q-v2 .icon{font-size:20px;color:#C41E3A;transition:transform .3s}
.faq-a-v2{display:none;padding:0 30px 24px;font-size:15px;color:#666;line-height:1.8}
.faq-a-v2.open{display:block}
/* FAQ v3 - 双列 */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:1000px}
.faq-item-v3{background:#fff;border:1px solid #F5F5F5;border-radius:16px;padding:28px;transition:all .3s}
.faq-item-v3:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.faq-q-v3{width:100%;padding:0 0 16px;background:none;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;font-size:16px;font-weight:700;color:#1A1A1A;border-bottom:1px solid #F5F5F5}
.faq-q-v3:hover{color:#C41E3A}
.faq-q-v3 .num{font-size:13px;color:#C41E3A;font-weight:700;margin-right:12px}
.faq-q-v3 .icon{font-size:18px;color:#C41E3A}
.faq-a-v3{display:none;padding-top:16px;font-size:14px;color:#888;line-height:1.8}
.faq-a-v3.open{display:block}
/* FAQ v4 - 大数字 */
.faq-list-v4{list-style:none;max-width:860px}
.faq-item-v4{display:flex;gap:24px;padding:28px 0;border-bottom:1px solid #F5F5F5}
.faq-item-v4:last-child{border-bottom:none}
.faq-num{font-size:48px;font-weight:900;color:#F5F5F5;line-height:1;flex-shrink:0;min-width:80px;transition:color .3s}
.faq-item-v4:hover .faq-num{color:#C41E3A}
.faq-body{flex:1}
.faq-q-v4{width:100%;background:none;border:none;text-align:left;cursor:pointer;font-size:17px;font-weight:700;color:#1A1A1A;padding:0 0 12px;display:flex;justify-content:space-between}
.faq-q-v4:hover{color:#C41E3A}
.faq-q-v4 .icon{font-size:18px;color:#C41E3A}
.faq-a-v4{display:none;font-size:15px;color:#666;line-height:1.8;padding-bottom:0}
.faq-a-v4.open{display:block}
/* FAQ v5 - 时间线 */
.faq-list-v5{list-style:none;max-width:860px;position:relative;padding-left:40px}
.faq-list-v5::before{content:"";position:absolute;left:16px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,#C41E3A,#F5F5F5)}
.faq-item-v5{margin-bottom:24px;position:relative}
.faq-item-v5::before{content:"";position:absolute;left:-32px;top:20px;width:12px;height:12px;background:#fff;border:3px solid #C41E3A;border-radius:50%}
.faq-q-v5{width:100%;background:none;border:none;text-align:left;cursor:pointer;font-size:16px;font-weight:600;color:#1A1A1A;padding:16px 24px;background:#fff;border-radius:12px;border:1px solid #F5F5F5;display:flex;justify-content:space-between;transition:all .2s}
.faq-q-v5:hover{border-color:#C41E3A;color:#C41E3A}
.faq-q-v5 .icon{font-size:18px;color:#C41E3A}
.faq-a-v5{display:none;padding:16px 24px;font-size:14px;color:#666;line-height:1.8}
.faq-a-v5.open{display:block}
/* FAQ v6 - 暗色 */
.faq-list-v6{list-style:none;max-width:860px}
.faq-item-v6{background:#1A1A1A;border-radius:16px;margin-bottom:12px;overflow:hidden}
.faq-q-v6{width:100%;padding:24px 30px;background:none;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:600;color:#fff}
.faq-q-v6:hover{color:#C41E3A}
.faq-q-v6 .icon{font-size:20px;color:#C41E3A}
.faq-a-v6{display:none;padding:0 30px 24px;font-size:15px;color:rgba(255,255,255,.6);line-height:1.8;border-top:1px solid rgba(255,255,255,.1);padding-top:20px}
.faq-a-v6.open{display:block}
/* FAQ v7 - 步骤 */
.faq-list-v7{list-style:none;max-width:860px}
.faq-item-v7{position:relative;padding-left:80px;margin-bottom:32px}
.faq-item-v7::before{content:attr(data-step);position:absolute;left:0;top:0;font-size:32px;font-weight:900;color:#C41E3A;opacity:.3;line-height:1}
.faq-q-v7{width:100%;background:none;border:none;text-align:left;cursor:pointer;font-size:17px;font-weight:700;color:#1A1A1A;padding:0 0 12px;display:flex;justify-content:space-between}
.faq-q-v7:hover{color:#C41E3A}
.faq-q-v7 .icon{font-size:18px;color:#C41E3A}
.faq-a-v7{display:none;font-size:15px;color:#666;line-height:1.8}
.faq-a-v7.open{display:block}
/* FAQ v8 - 标签 */
.faq-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px;list-style:none}
.faq-tag{padding:8px 20px;border-radius:50px;font-size:14px;font-weight:600;cursor:pointer;background:#F5F5F5;color:#888;transition:all .2s;border:2px solid transparent}
.faq-tag.active,.faq-tag:hover{border-color:#C41E3A;color:#C41E3A;background:rgba(196,30,58,.06)}
.faq-panel{display:none}
.faq-panel.active{display:block}
.faq-panel h4{font-size:18px;font-weight:700;margin-bottom:12px;padding:24px;background:#F5F5F5;border-radius:16px}
.faq-panel p{font-size:15px;color:#666;line-height:1.8;padding:0 24px 24px}
/* FAQ v9 - 全宽大字 */
.faq-list-v9{list-style:none}
.faq-item-v9{border-bottom:1px solid #F5F5F5;padding:0}
.faq-item-v9:first-child{border-top:1px solid #F5F5F5}
.faq-q-v9{width:100%;padding:32px 0;background:none;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:20px;font-weight:700;color:#1A1A1A}
.faq-q-v9:hover{color:#C41E3A}
.faq-q-v9 .q-text{flex:1}
.faq-q-v9 .icon{font-size:24px;color:#C41E3A;flex-shrink:0;margin-left:20px}
.faq-a-v9{display:none;padding:0 0 32px;font-size:16px;color:#666;line-height:1.9}
.faq-a-v9.open{display:block}
/* FAQ v10 - 卡片堆叠 */
.faq-list-v10{list-style:none;display:flex;flex-direction:column;gap:16px;max-width:860px}
.faq-card{background:#F5F5F5;border-radius:20px;padding:28px;transition:all .3s;cursor:pointer;border:2px solid transparent}
.faq-card:hover{border-color:#C41E3A;background:#fff;transform:translateX(8px)}
.faq-card .card-q{display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:700;color:#1A1A1A}
.faq-card .card-q .icon{font-size:20px;color:#C41E3A}
.faq-card .card-a{display:none;margin-top:16px;padding-top:16px;border-top:1px solid #e0e0e0;font-size:15px;color:#666;line-height:1.8}
.faq-card.open .card-a{display:block}
/* FAQ v11 - 圆形 */
.faq-list-v11{list-style:none;max-width:860px}
.faq-item-v11{display:flex;gap:20px;align-items:flex-start;margin-bottom:16px}
.faq-dot{width:40px;height:40px;background:#C41E3A;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;font-weight:800;color:#fff}
.faq-body-v11{flex:1;background:#fff;border:1px solid #F5F5F5;border-radius:16px;overflow:hidden;transition:border-color .2s}
.faq-body-v11:hover{border-color:#C41E3A}
.faq-q-v11{width:100%;padding:22px 26px;background:none;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;font-size:16px;font-weight:600;color:#1A1A1A}
.faq-q-v11:hover{color:#C41E3A}
.faq-q-v11 .icon{font-size:18px;color:#C41E3A}
.faq-a-v11{display:none;padding:0 26px 22px;font-size:15px;color:#666;line-height:1.8;border-top:1px solid #F5F5F5;padding-top:16px}
.faq-a-v11.open{display:block}
/* CTA */
.cta{background:#1A1A1A;color:#fff;text-align:center}
.cta h2{color:#fff;margin-bottom:24px}
.cta .btn{background:#C41E3A;font-size:16px;padding:18px 48px}
.cta .btn:hover{background:#a31830}
/* FOOTER */
footer{padding:40px 80px;border-top:1px solid #F5F5F5;text-align:center;color:#999;font-size:13px}
/* RESPONSIVE */
@media(max-width:1024px){
  .nav-links,.nav-cta{display:none !important}
  .hamburger{display:flex !important}
  .stats-grid,.rd-list,.products-grid{grid-template-columns:repeat(2,1fr)}
  .cert-row{flex-direction:column;align-items:center}
  .cert-box{max-width:320px;width:100%}
  section{padding:80px 40px}
}
@media(max-width:768px){
  .nav{padding:0 24px}
  .nav-links,.nav-cta{display:none !important}
  .hamburger{display:flex !important}
  section{padding:60px 24px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-card{padding:24px 16px}
  .stat-num{font-size:36px}
  footer{padding:30px 24px}
}


@media(max-width:1024px){

.strength-v2-desc {
    max-width: 100% !important;
}
.products-fullscreen {
    height: 130vh !important;
}
	
.hero {
    min-height: 100vh !important;     margin: 0 !important;
    padding: 0 !important;
}
	
	
		.rd-container {
    max-width: 100%  !important;
}
	.nav-links,.nav-cta{display:none !important}.hamburger{display:flex !important; margin-right: 20px !important;}.hero{grid-template-columns:1fr}.hero-right{min-height:300px}.cert-row{flex-direction:column;align-items:center}.cert-box{max-width:320px;width:100%}section{padding:80px 40px}.about-container{grid-template-columns:1fr}.about-right{margin-top:40px}.about-icons{gap:30px}.stats-grid{gap:40px}.stat-num{font-size:56px}.stats-nav{right:40px;bottom:30px}.strength-v2-container{grid-template-columns:1fr}.strength-v2-left{height:auto;position:relative;top:0;padding:60px 40px 0}.strength-v2-img{aspect-ratio:16/9;max-height:400px}.strength-v2-right{padding:40px}.products-carousel-content{grid-template-columns:260px 1fr}.products-carousel-title{font-size:36px}.products-carousel-name{font-size:48px}.products-carousel-menu-item{padding:14px 18px;font-size:14px}.products-carousel-nav{right:40px;bottom:40px}.products-carousel-nav-btn{width:48px;height:48px}.rd-layout{grid-template-columns:1fr;gap:60px}.rd-left{height:350px}.rd-globe{width:300px;height:300px}.rd-globe-core{width:150px;height:150px}.rd-globe-core span{font-size:60px}.cert-section{padding:80px 40px}.news-section{padding:80px 40px}.news-list{grid-template-columns:repeat(2,1fr)}}

@media(max-width:768px){
	.about-title {
    font-size: 31px !important;
}
	
	.rd-container {
    max-width: 100%  !important;
}
	
	.floating-bar{ display: none !important}
	.rd-left img{width: 100% !important; height: auto !important;}
	
	.rd-globe-text {
    font-size: 26px !important;
}
	
	
	section{padding:60px 24px}.about{padding:20px !important;}.about-right{padding:32px}.about-news-title{font-size:24px}.about-icons{gap:20px}.about-icon-circle{width:52px;height:52px;font-size:22px}.stats-content{padding:80px 24px}.stats-grid{flex-wrap:wrap;gap:30px 40px}.stat-num{font-size:48px}.stats-title{font-size:36px}.stats-nav{right:24px;gap:12px}.stats-nav-btn{width:40px;height:40px}.strength-v2-left{padding:40px 24px 0}.strength-v2-right{padding:24px}.strength-v2-heading{font-size:28px;margin-bottom:40px}.strength-v2-heading::after{width:60px;height:3px;bottom:-12px}.strength-v2-heading::before{font-size:12px;top:-16px}.strength-v2-title{font-size:22px}.strength-v2-item{min-height:auto;padding:40px 0}.products-carousel-content{grid-template-columns:1fr;grid-template-rows:auto 1fr}.products-carousel-left{padding:40px 24px 20px}.products-carousel-right{padding:40px 24px 140px;justify-content:center}.products-carousel-name{font-size:36px}.products-carousel-nav{bottom:80px;right:24px}.products-carousel-dots{bottom:30px}.products-carousel-desc{display:none}.rd-layout{gap:40px}.rd-left{height:280px}.rd-globe{width:250px;height:250px}.rd-globe-core{width:120px;height:120px}.rd-globe-core span{font-size:48px}.rd-card{padding:20px 24px}.rd-card-title{font-size:18px}.rd-card-arrow{width:40px;height:40px}.cert-section{padding:60px 24px}.cert-box{padding:32px 24px}.news-section{padding:60px 24px}.news-list{grid-template-columns:1fr}.news-item{padding:24px}}