/* ========== Reset & Base ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1a3a5c;
  --primary-light:#2c5f8a;
  --secondary:#2bb6a5;
  --secondary-light:#4dd4c3;
  --accent:#ff8c42;
  --accent-light:#ffa869;
  --bg:#f8f9fa;
  --bg-white:#ffffff;
  --text:#2d3436;
  --text-light:#636e72;
  --text-muted:#9aa5b1;
  --border:#e1e8ed;
  --shadow:0 2px 16px rgba(26,58,92,.08);
  --shadow-hover:0 8px 30px rgba(26,58,92,.15);
  --radius:12px;
  --radius-sm:8px;
  --max-width:1200px;
  --header-h:64px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}

/* ========== Header ========== */
.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:rgba(255,255,255,.95);backdrop-filter:blur(10px);z-index:1000;box-shadow:0 1px 0 var(--border);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 2px 12px rgba(0,0,0,.08)}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--primary)}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
.logo-text{letter-spacing:-.5px}
.logo-text span{color:var(--secondary)}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-menu a{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;position:relative}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a::after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--secondary);transition:width .3s}
.nav-menu a:hover::after{width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-1px);box-shadow:0 4px 12px rgba(26,58,92,.25)}
.btn-secondary{background:var(--secondary);color:#fff}
.btn-secondary:hover{background:var(--secondary-light);transform:translateY(-1px);box-shadow:0 4px 12px rgba(43,182,165,.25)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-light);transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,140,66,.25)}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-lg{padding:14px 32px;font-size:16px}
.mobile-toggle{display:none;font-size:24px;background:none;border:none;cursor:pointer;color:var(--primary)}

/* ========== Hero ========== */
.hero{position:relative;padding:calc(var(--header-h) + 60px) 0 80px;overflow:hidden}
.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#1a3a5c 0%,#2466a8 50%,#2bb6a5 100%);z-index:-2}
.hero-bg::after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%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");z-index:-1}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text{color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);border-radius:50px;font-size:13px;color:#fff;margin-bottom:24px}
.hero-badge-dot{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:42px;line-height:1.25;font-weight:800;margin-bottom:20px;letter-spacing:-1px}
.hero h1 .highlight{color:#ffd76e}
.hero-desc{font-size:17px;line-height:1.7;color:rgba(255,255,255,.85);margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:48px}
.hero-stat{text-align:left}
.hero-stat-num{font-size:32px;font-weight:800;color:#fff}
.hero-stat-label{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}
.hero-visual{position:relative}
.hero-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.3);transform:rotate(2deg);transition:transform .3s}
.hero-card:hover{transform:rotate(0deg)}
.hero-card-header{display:flex;align-items:center;gap:12px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.hero-card-avatar{width:48px;height:48px;background:linear-gradient(135deg,var(--secondary),var(--primary));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px}
.hero-card-title{font-size:16px;font-weight:700;color:var(--primary)}
.hero-card-sub{font-size:13px;color:var(--text-muted)}
.hero-card-body{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero-card-item{background:var(--bg);border-radius:var(--radius-sm);padding:14px;text-align:center}
.hero-card-item-label{font-size:12px;color:var(--text-muted);margin-bottom:4px}
.hero-card-item-value{font-size:20px;font-weight:700;color:var(--primary)}
.hero-card-item-value.green{color:var(--secondary)}
.hero-card-item-value.orange{color:var(--accent)}
.hero-card-footer{margin-top:16px;padding-top:16px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.hero-card-tag{display:inline-block;padding:4px 12px;background:rgba(43,182,165,.12);color:var(--secondary);border-radius:50px;font-size:12px;font-weight:600}
.hero-card-arrow{color:var(--text-muted);font-size:18px}

/* ========== Sections ========== */
.section{padding:80px 0}
.section-alt{background:var(--bg-white)}
.section-header{text-align:center;max-width:680px;margin:0 auto 56px}
.section-tag{display:inline-block;padding:4px 16px;background:rgba(43,182,165,.1);color:var(--secondary);border-radius:50px;font-size:13px;font-weight:600;margin-bottom:16px}
.section-title{font-size:32px;font-weight:800;color:var(--primary);margin-bottom:12px;letter-spacing:-.5px}
.section-desc{font-size:16px;color:var(--text-light);line-height:1.7}

/* ========== Features ========== */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:all .3s;position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--secondary));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{width:56px;height:56px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:20px}
.feature-icon.blue{background:rgba(26,58,92,.1)}
.feature-icon.teal{background:rgba(43,182,165,.1)}
.feature-icon.orange{background:rgba(255,140,66,.1)}
.feature-icon.purple{background:rgba(155,89,182,.1)}
.feature-icon.green{background:rgba(46,204,113,.1)}
.feature-icon.red{background:rgba(231,76,60,.1)}
.feature-title{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:10px}
.feature-desc{font-size:14px;color:var(--text-light);line-height:1.7}
.feature-list{margin-top:16px}
.feature-list li{font-size:13px;color:var(--text-muted);padding:4px 0;padding-left:20px;position:relative}
.feature-list li::before{content:"✓";position:absolute;left:0;color:var(--secondary);font-weight:700}

/* ========== Process ========== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-step{text-align:center;position:relative}
.process-step-num{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;position:relative;z-index:2;box-shadow:0 4px 16px rgba(26,58,92,.2)}
.process-step::after{content:"";position:absolute;top:32px;left:50%;width:100%;height:2px;background:linear-gradient(90deg,var(--secondary),var(--border));z-index:1}
.process-step:last-child::after{display:none}
.process-step-title{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:8px}
.process-step-desc{font-size:14px;color:var(--text-light);line-height:1.6;padding:0 12px}

/* ========== Data Preview ========== */
.data-preview{background:var(--primary)}
.data-preview .section-title{color:#fff}
.data-preview .section-desc{color:rgba(255,255,255,.7)}
.data-preview .section-tag{background:rgba(255,255,255,.12);color:#fff}
.search-box{max-width:600px;margin:0 auto 40px;display:flex;gap:12px}
.search-input{flex:1;padding:14px 20px;border:2px solid rgba(255,255,255,.15);border-radius:var(--radius-sm);font-size:15px;background:rgba(255,255,255,.08);color:#fff;outline:none;transition:border-color .2s}
.search-input::placeholder{color:rgba(255,255,255,.5)}
.search-input:focus{border-color:var(--secondary)}
.search-btn{padding:14px 28px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}
.search-btn:hover{background:var(--accent-light)}
.uni-table{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.2)}
.uni-table table{width:100%;border-collapse:collapse}
.uni-table th{background:var(--bg);padding:14px 20px;text-align:left;font-size:13px;color:var(--text-muted);font-weight:600;border-bottom:2px solid var(--border)}
.uni-table td{padding:14px 20px;font-size:14px;border-bottom:1px solid var(--border);color:var(--text)}
.uni-table tr:last-child td{border-bottom:none}
.uni-table tr:hover{background:rgba(43,182,165,.04)}
.uni-tier{display:inline-block;padding:2px 10px;border-radius:50px;font-size:12px;font-weight:600}
.uni-tier-985{background:rgba(231,76,60,.1);color:#e74c3c}
.uni-tier-211{background:rgba(255,140,66,.1);color:var(--accent)}
.uni-tier-double_first{background:rgba(155,89,182,.1);color:#9b59b6}
.uni-tier-public{background:rgba(43,182,165,.1);color:var(--secondary)}

/* ========== Assessment CTA ========== */
.assessment-cta{background:linear-gradient(135deg,var(--secondary),var(--primary));border-radius:20px;padding:56px;color:#fff;text-align:center;position:relative;overflow:hidden}
.assessment-cta::before{content:"";position:absolute;top:-50%;right:-20%;width:400px;height:400px;background:rgba(255,255,255,.05);border-radius:50%}
.assessment-cta::after{content:"";position:absolute;bottom:-30%;left:-10%;width:300px;height:300px;background:rgba(255,255,255,.05);border-radius:50%}
.assessment-cta h2{font-size:30px;font-weight:800;margin-bottom:16px;position:relative}
.assessment-cta p{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:32px;position:relative}
.assessment-cta .btn{position:relative}
.assessment-dims{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:32px;position:relative}
.assessment-dim{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:50px;font-size:14px}

/* ========== Footer ========== */
.site-footer{background:#162d4a;color:rgba(255,255,255,.7);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand{max-width:320px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:13px}
.footer-bottom a{color:rgba(255,255,255,.6);transition:color .2s}
.footer-bottom a:hover{color:#fff}
.icp-info{display:flex;align-items:center;gap:16px}
.icp-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:rgba(255,255,255,.08);border-radius:4px;font-size:12px}

/* ========== Responsive ========== */
@media(max-width:968px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{display:none}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .process-step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  .nav-menu{display:none}
  .mobile-toggle{display:block}
  .hero h1{font-size:28px}
  .hero-stats{gap:24px}
  .features-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
  .section-title{font-size:24px}
  .search-box{flex-direction:column}
}

/* ========== Animations ========== */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:translateY(0)}