.side-nav{position:fixed;left:0;top:0;bottom:0;width:220px;background:#1A1A1A;z-index:1000;display:flex;flex-direction:column;justify-content:center;padding:40px 0}
.side-nav>a{display:block;padding:16px 40px;color:rgba(255,255,255,.6);font-size:15px;font-weight:500;transition:all .2s;border-left:3px solid transparent}
.side-nav>a:hover,.side-nav>a.active{color:#fff;border-left-color:#C41E3A;background:rgba(196,30,58,.15)}
.side-brand{padding:16px 40px;font-size:20px;font-weight:800;color:#C41E3A;margin-bottom:20px}
.nav-item-has-dropdown{position:relative}
.nav-item-has-dropdown>a{display:block;padding:16px 40px;color:rgba(255,255,255,.6);font-size:15px;font-weight:500;transition:all .2s;border-left:3px solid transparent}
.nav-item-has-dropdown:hover>a{color:#fff;border-left-color:#C41E3A;background:rgba(196,30,58,.15)}
.dropdown-menu{position:absolute;left:100%;top:0;min-width:160px;background:#2A2A2A;border-radius:0 12px 12px 0;box-shadow:4px 4px 20px rgba(0,0,0,.3);opacity:0;visibility:hidden;transform:translateX(-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:translateX(0)}
.dropdown-menu li a{display:block;padding:10px 20px;color:rgba(255,255,255,.6);font-size:14px;transition:all .2s}
.dropdown-menu li a:hover{color:#fff;background:rgba(196,30,58,.2)}
.main{margin-left:220px}
.page-header{padding:160px 80px 80px;background:#1A1A1A}
.page-title{font-size:clamp(40px,6vw,72px);font-weight:900;line-height:1.2;margin-bottom:16px;color:#fff}
.page-title em{color:#C41E3A;font-style:normal}
.page-breadcrumb{font-size:14px;color:rgba(255,255,255,.5)}
.page-breadcrumb a{color:rgba(255,255,255,.6)}.page-breadcrumb a:hover{color:#C41E3A}
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}
.rd-intro{background:#fff;text-align:center}
.rd-intro p{font-size:18px;color:#666;max-width:800px;margin:0 auto;line-height:2}
.rd-grid{background:#F5F5F5}
.rd-cases{max-width:100%;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-radius:28px;overflow:hidden;box-shadow:0 18px 60px rgba(0,0,0,.10)}
.rd-case{position:relative;min-height:520px;display:flex;align-items:flex-end;overflow:hidden;color:#fff;text-decoration:none}
.rd-case::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.35) 50%, rgba(0,0,0,.55) 100%);z-index:1}
.rd-case-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);transition:transform .6s ease;filter:saturate(1.05)}
.rd-case:hover .rd-case-bg{transform:scale(1.08)}

.rd-case-dot{position:absolute;top:28px;left:28px;width:18px;height:18px;border-radius:50%;border:3px solid rgba(255,0,0,.75);z-index:3;opacity:.9}

.rd-case-body{position:relative;z-index:2;padding:42px 42px 136px;width:100%}
.rd-case-en{font-size:28px;font-weight:900;letter-spacing:.4px;line-height:1.15;margin:0 0 10px;text-shadow:0 10px 24px rgba(0,0,0,.25)}
.rd-case-cn{font-size:16px;font-weight:700;opacity:.92;margin:0 0 18px}
.rd-case-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.88);margin:0;max-width:360px}

.rd-case-badge{position:absolute;left:34px;bottom:36px;width:56px;height:56px;border-radius:50%;background:#E3182D;z-index:3;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 28px rgba(227,24,45,.35)}
.rd-case-badge svg{width:26px;height:26px;fill:#fff}

.rd-case-arrow{position:absolute;right:28px;top:50%;transform:translateY(-50%);width:54px;height:54px;border-radius:50%;background:#E3182D;z-index:3;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 28px rgba(227,24,45,.35);transition:transform .25s ease}
.rd-case:hover .rd-case-arrow{transform:translateY(-50%) translateX(2px)}
.rd-case-arrow span{display:block;width:14px;height:14px;border-right:2px solid #fff;border-top:2px solid #fff;transform:rotate(45deg);margin-left:-4px}

@media(max-width:1200px){.rd-cases{grid-template-columns:repeat(2,1fr)}.rd-case{min-height:460px}}
@media(max-width:768px){.rd-cases{grid-template-columns:1fr;border-radius:18px}.rd-case{min-height:420px}.rd-case-body{padding:32px 22px 36px}.rd-case-arrow{right:18px}.rd-case-dot{top:18px;left:18px}.rd-case-badge{left:18px;bottom:22px}}
.rd-team{background:#fff;text-align:center}
.team-stats{display:flex;justify-content:center;gap:80px;margin-top:48px;flex-wrap:wrap}
.team-stat{text-align:center}
.team-num{font-size:64px;font-weight:900;line-height:1;margin-bottom:8px;color:#C41E3A}
.team-label{font-size:16px;color:#888}
.cta-section{background:#C41E3A;color:#fff;text-align:center}
.cta-section h2{color:#fff}
.btn{padding:14px 36px;border-radius:50px;font-weight:600;font-size:14px;display:inline-block;border:none;transition:all .3s;background:#fff;color:#C41E3A}.btn:hover{background:#1A1A1A;color:#fff}
footer{padding:40px 80px;border-top:1px solid #E5E5E5;text-align:center;color:#999;font-size:13px;background:#fff;margin-left:220px}
@media(max-width:1024px){
    .side-nav{display:none}
    .main,footer{margin-left:0}
}
@media(max-width:768px){
    .page-header{padding:120px 20px 60px}
    section{padding:60px 20px}
    footer{padding:40px 20px}
    .rd-intro p{font-size:16px}
    .rd-cases{border-radius:18px}
    .rd-case{min-height:420px}
    .rd-case-body{padding:32px 22px 36px}
    .rd-case-en{font-size:24px}
}
@media(max-width:480px){
    .page-header{padding:100px 16px 40px}
    section{padding:40px 16px}
    .rd-intro p{font-size:14px}
    .rd-case{min-height:380px}
    .rd-case-en{font-size:20px}
    .rd-case-cn{font-size:14px}
    .rd-case-desc{font-size:13px}
}