/* ========== Reset & Base ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;line-height:1.7;background:#f8f9fb;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .2s}
a:hover{color:#0d6efd}
img{max-width:100%;display:block}
ul,ol{list-style:none}

/* ========== Variables ========== */
:root{
  --primary:#0d6efd;
  --primary-dark:#0a58ca;
  --primary-light:#e7f1ff;
  --accent:#00b67a;
  --dark:#1a1a2e;
  --gray:#6c757d;
  --light-gray:#e9ecef;
  --bg:#f8f9fb;
  --white:#fff;
  --radius:8px;
  --shadow:0 2px 12px rgba(0,0,0,.08);
  --shadow-lg:0 8px 30px rgba(0,0,0,.12);
  --max-width:1200px;
}

/* ========== Layout ========== */
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-sm{padding:40px 0}
.text-center{text-align:center}

/* ========== Header ========== */
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);box-shadow:0 1px 6px rgba(0,0,0,.06);border-bottom:1px solid var(--light-gray)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:var(--max-width);margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--dark)}
.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:bold}
.logo-text{color:var(--dark)}
.logo-text span{color:var(--primary)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:8px 14px;font-size:14px;color:#555;border-radius:6px;font-weight:500;white-space:nowrap}
.nav a:hover,.nav a.active{background:var(--primary-light);color:var(--primary)}
.nav-toggle{display:none;font-size:24px;background:none;border:none;cursor:pointer;color:var(--dark)}

/* ========== Hero ========== */
.hero{background:linear-gradient(135deg,#0d6efd 0%,#00b67a 100%);color:#fff;padding:60px 0 70px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-50%;right:-10%;width:500px;height:500px;background:rgba(255,255,255,.08);border-radius:50%}
.hero::after{content:"";position:absolute;bottom:-30%;left:-5%;width:300px;height:300px;background:rgba(255,255,255,.06);border-radius:50%}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:800px;margin:0 auto;padding:0 20px}
.hero h1{font-size:36px;margin-bottom:16px;line-height:1.3}
.hero p{font-size:17px;opacity:.92;margin-bottom:28px;line-height:1.8}
.hero-badges{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.hero-badge{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:8px 18px;border-radius:30px;font-size:14px;backdrop-filter:blur(5px)}
.btn{display:inline-block;padding:12px 32px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;border:none}
.btn-primary{background:#fff;color:var(--primary)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.15);color:var(--primary)}
.btn-outline{background:transparent;border:2px solid #fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--primary)}

/* ========== Page Banner ========== */
.page-banner{background:linear-gradient(135deg,#1a1a2e 0%,#0d6efd 100%);color:#fff;padding:40px 0 50px;text-align:center}
.page-banner h1{font-size:28px;margin-bottom:8px}
.page-banner p{font-size:15px;opacity:.85}
.breadcrumb{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:16px;font-size:13px;opacity:.8}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{opacity:.5}

/* ========== Cards ========== */
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:30px;transition:transform .2s,box-shadow .2s;border:1px solid #f0f0f0}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:26px;color:var(--dark);margin-bottom:10px}
.section-title p{color:var(--gray);font-size:15px}
.section-title::after{content:"";display:block;width:50px;height:3px;background:var(--primary);margin:14px auto 0;border-radius:2px}

/* ========== Content Blocks ========== */
.content-block{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);margin-bottom:24px}
.content-block h3{font-size:18px;color:var(--dark);margin-bottom:12px;padding-left:12px;border-left:4px solid var(--primary)}
.content-block p{color:#555;font-size:15px;margin-bottom:12px;line-height:1.8}
.content-block ul{padding-left:20px}
.content-block ul li{margin-bottom:8px;color:#555;font-size:15px;list-style:disc}
.info-row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.info-item{flex:1;min-width:200px;background:var(--bg);padding:16px;border-radius:var(--radius);border:1px solid #f0f0f0}
.info-item strong{display:block;color:var(--dark);margin-bottom:4px;font-size:14px}
.info-item span{color:var(--gray);font-size:14px}
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;margin:2px}
.tag-blue{background:#e7f1ff;color:#0d6efd}
.tag-green{background:#e8f5e9;color:#00b67a}
.tag-orange{background:#fff3e0;color:#e65100}
.tag-purple{background:#f3e5f5;color:#7b1fa2}

/* ========== Timeline ========== */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--light-gray)}
.timeline-item{position:relative;padding-bottom:28px}
.timeline-item::before{content:"";position:absolute;left:-26px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--primary);border:2px solid #fff;box-shadow:0 0 0 2px var(--primary)}
.timeline-item h4{font-size:15px;color:var(--dark);margin-bottom:4px}
.timeline-item .date{font-size:13px;color:var(--primary);font-weight:600;margin-bottom:4px}
.timeline-item p{font-size:14px;color:var(--gray)}

/* ========== FAQ ========== */
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #f0f0f0}
.faq-item summary{padding:18px 24px;font-size:15px;font-weight:600;color:var(--dark);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::after{content:"+";font-size:20px;color:var(--primary);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 24px 18px;color:#555;font-size:14px;line-height:1.8}

/* ========== Contact ========== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-info-item{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.contact-info-item .icon{width:44px;height:44px;border-radius:10px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--primary);flex-shrink:0}
.contact-info-item .text strong{display:block;color:var(--dark);font-size:14px;margin-bottom:2px}
.contact-info-item .text span{color:var(--gray);font-size:14px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 16px;border:1px solid var(--light-gray);border-radius:var(--radius);font-size:14px;font-family:inherit;margin-bottom:14px;transition:border .2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary)}
.contact-form button{width:100%}

/* ========== Stats ========== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item .num{font-size:32px;font-weight:800;color:var(--primary)}
.stat-item .label{font-size:14px;color:var(--gray);margin-top:4px}

/* ========== News ========== */
.news-item{display:flex;gap:20px;padding:20px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;transition:transform .2s;border:1px solid #f0f0f0}
.news-item:hover{transform:translateX(4px)}
.news-date{flex-shrink:0;text-align:center;width:64px}
.news-date .day{font-size:28px;font-weight:700;color:var(--primary)}
.news-date .month{font-size:13px;color:var(--gray)}
.news-content h4{font-size:16px;margin-bottom:6px;color:var(--dark)}
.news-content p{font-size:14px;color:var(--gray);line-height:1.6}
.news-tag{display:inline-block;padding:2px 8px;background:var(--primary-light);color:var(--primary);border-radius:4px;font-size:12px;margin-bottom:6px}

/* ========== Job ========== */
.job-item{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:16px;border:1px solid #f0f0f0;transition:transform .2s}
.job-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.job-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.job-header h4{font-size:17px;color:var(--dark)}
.job-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--gray)}

/* ========== Footer ========== */
.footer{background:var(--dark);color:#aaa;padding:50px 0 20px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col a{display:block;color:#aaa;font-size:14px;margin-bottom:8px}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:14px;line-height:1.8;color:#aaa}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}
.footer-bottom a{color:#aaa}
.footer-bottom a:hover{color:#fff}
.footer-icp{margin-top:6px;font-size:12px;color:#777}
.footer-icp a{color:#777}

/* ========== Misc ========== */
.text-primary{color:var(--primary)}
.text-success{color:var(--accent)}
.text-muted{color:var(--gray)}
.lead{font-size:17px;color:#555;line-height:1.8}
.highlight-box{background:var(--primary-light);border-left:4px solid var(--primary);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:16px 0;font-size:14px;color:#444}
.note-box{background:#fff8e1;border-left:4px solid #ff9800;padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:16px 0;font-size:14px;color:#444}

/* ========== 404 ========== */
.error-page{text-align:center;padding:80px 20px}
.error-page .error-code{font-size:80px;font-weight:800;color:var(--primary);line-height:1}
.error-page h2{font-size:22px;color:var(--dark);margin:16px 0 8px}
.error-page p{color:var(--gray);margin-bottom:24px}

/* ========== Responsive ========== */
@media(max-width:768px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:10px;box-shadow:var(--shadow-lg);gap:0}
  .nav.open{display:flex}
  .nav a{padding:12px 16px;width:100%;border-radius:0}
  .nav-toggle{display:block}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:26px}
  .hero p{font-size:15px}
  .news-item{flex-direction:column}
  .news-date{display:flex;gap:8px;align-items:baseline}
}
@media(max-width:480px){
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}