/* ========== CSS Reset & Variables ========== */
:root{
  --primary:#1B3A5F;
  --primary-light:#2A5A8F;
  --primary-dark:#0F2438;
  --secondary:#C8332C;
  --accent:#D4A838;
  --accent-light:#E8C068;
  --text:#333;
  --text-light:#666;
  --text-lighter:#999;
  --bg:#fff;
  --bg-light:#F5F7FA;
  --bg-dark:#1a2a3a;
  --border:#E0E6ED;
  --shadow:0 4px 20px rgba(0,0,0,.08);
  --shadow-lg:0 8px 40px rgba(0,0,0,.12);
  --radius:8px;
  --radius-lg:16px;
  --transition:all .3s ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--text);line-height:1.8;background:var(--bg);overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:2rem;color:var(--primary);margin-bottom:12px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:4px;background:var(--accent);margin:12px auto 0;border-radius:2px}
.section-title p{color:var(--text-light);font-size:1rem}

/* ========== Header ========== */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.98);box-shadow:0 2px 10px rgba(0,0,0,.06);transition:var(--transition)}
.header-inner{max-width:var(--container);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;font-weight:bold;flex-shrink:0}
.logo-img{width:48px;height:48px;object-fit:contain;flex-shrink:0}
.logo-text{display:flex;flex-direction:column}
.logo-text .main{font-size:1.05rem;font-weight:bold;color:var(--primary);line-height:1.3}
.logo-text .sub{font-size:.7rem;color:var(--text-lighter);letter-spacing:.5px}
.nav{display:flex;align-items:center;gap:0}
.nav>li>a{display:block;padding:0 18px;line-height:70px;color:var(--text);font-size:.95rem;position:relative}
.nav>li>a:hover,.nav>li>a.active{color:var(--secondary)}
.nav>li>a.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:30px;height:3px;background:var(--secondary);border-radius:2px}
.nav .has-dropdown{position:relative}
.nav .has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown{position:absolute;top:70px;left:0;background:#fff;min-width:200px;box-shadow:var(--shadow-lg);border-radius:0 0 var(--radius) var(--radius);opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--transition)}
.dropdown a{display:block;padding:12px 20px;font-size:.9rem;color:var(--text);border-bottom:1px solid var(--border)}
.dropdown a:last-child{border-bottom:none}
.dropdown a:hover{background:var(--bg-light);color:var(--secondary);padding-left:26px}
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.menu-toggle span{width:24px;height:3px;background:var(--primary);border-radius:2px;transition:var(--transition)}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}

/* ========== Hero ========== */
.hero{position:relative;height:100vh;min-height:600px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-dark),var(--primary));overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('../images/hero-banner.png') center/cover no-repeat;opacity:.35}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:0 20px}
.hero-content h1{font-size:2.8rem;font-weight:bold;margin-bottom:20px;text-shadow:0 2px 10px rgba(0,0,0,.3);line-height:1.4}
.hero-content .subtitle{font-size:1.15rem;margin-bottom:16px;opacity:.95}
.hero-content .tagline{display:inline-block;padding:6px 20px;background:rgba(212,168,56,.2);border:1px solid var(--accent);border-radius:30px;color:var(--accent-light);font-size:.85rem;margin-bottom:30px}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:10px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 36px;border-radius:30px;font-size:.95rem;transition:var(--transition);cursor:pointer;border:none}
.btn-primary{background:var(--secondary);color:#fff}
.btn-primary:hover{background:#a82822;transform:translateY(-2px);box-shadow:0 6px 20px rgba(200,51,44,.4)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff}

/* ========== About ========== */
.about{background:var(--bg-light)}
.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.about-img:hover img{transform:scale(1.05)}
.about-text h2{font-size:1.8rem;color:var(--primary);margin-bottom:20px;position:relative;padding-left:16px}
.about-text h2::before{content:'';position:absolute;left:0;top:8px;width:5px;height:28px;background:var(--secondary);border-radius:3px}
.about-text p{color:var(--text-light);margin-bottom:16px;font-size:.95rem;line-height:1.9}
.about-text .highlight{background:#fff;border-left:4px solid var(--accent);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:20px 0;color:var(--text);font-size:.9rem}
.about-text .badge{display:inline-flex;align-items:center;gap:6px;padding:4px 14px;background:var(--primary);color:#fff;border-radius:20px;font-size:.8rem;margin:4px 6px 4px 0}

/* ========== Stats ========== */
.stats{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat-item .num{font-size:2.5rem;font-weight:bold;color:var(--accent-light)}
.stat-item .num span{font-size:1.2rem;margin-left:4px}
.stat-item .label{font-size:.9rem;opacity:.85;margin-top:8px}

/* ========== Services ========== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.service-card img{width:100%;height:220px;object-fit:cover}
.service-card .body{padding:24px}
.service-card .icon{width:50px;height:50px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;margin-bottom:14px}
.service-card h3{font-size:1.15rem;color:var(--primary);margin-bottom:10px}
.service-card p{font-size:.88rem;color:var(--text-light);line-height:1.7}
.service-card .tag{display:inline-block;padding:2px 10px;background:var(--bg-light);color:var(--primary);border-radius:12px;font-size:.75rem;margin-top:10px}

/* ========== Process ========== */
.process{background:var(--bg-light)}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.process-step{text-align:center;position:relative}
.process-step .step-num{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--secondary),var(--accent));color:#fff;font-size:1.5rem;font-weight:bold;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;z-index:2}
.process-step:not(:last-child)::after{content:'';position:absolute;top:30px;left:60%;width:80%;height:3px;background:linear-gradient(90deg,var(--accent),var(--border));z-index:1}
.process-step h4{font-size:1rem;color:var(--primary);margin-bottom:8px}
.process-step p{font-size:.85rem;color:var(--text-light);padding:0 10px}

/* ========== Staff ========== */
.staff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.staff-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);text-align:center;transition:var(--transition)}
.staff-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.staff-card .staff-img{height:280px;overflow:hidden}
.staff-card .staff-img img{width:100%;height:100%;object-fit:cover}
.staff-card .body{padding:20px}
.staff-card h4{font-size:1.1rem;color:var(--primary)}
.staff-card .role{color:var(--secondary);font-size:.85rem;margin:4px 0 8px}
.staff-card p{font-size:.82rem;color:var(--text-light);line-height:1.6}

/* ========== Base ========== */
.base{background:linear-gradient(135deg,var(--bg-light),#eef3f8)}
.base-inner{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.base-features{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.base-feature{background:#fff;padding:20px;border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition)}
.base-feature:hover{transform:scale(1.03)}
.base-feature .bf-icon{font-size:1.8rem;margin-bottom:8px}
.base-feature h4{color:var(--primary);font-size:.95rem;margin-bottom:4px}
.base-feature p{font-size:.8rem;color:var(--text-light)}

/* ========== News ========== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-card .news-img{height:180px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.3);font-size:3rem}
.news-card .body{padding:20px}
.news-card .date{font-size:.8rem;color:var(--text-lighter);margin-bottom:8px}
.news-card .category{display:inline-block;padding:2px 8px;background:var(--bg-light);color:var(--primary);border-radius:10px;font-size:.72rem;margin-left:8px}
.news-card h4{font-size:1rem;color:var(--primary);margin-bottom:8px;line-height:1.5}
.news-card p{font-size:.85rem;color:var(--text-light);line-height:1.6}
.news-card .more{color:var(--secondary);font-size:.85rem;margin-top:10px}

/* ========== Pagination ========== */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;color:var(--text)}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .current{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ========== Article Detail ========== */
.article-detail{background:#fff}
.article-header{text-align:center;padding:40px 0 30px;border-bottom:1px solid var(--border);margin-bottom:30px}
.article-header h1{font-size:1.8rem;color:var(--primary);line-height:1.5;margin-bottom:16px}
.article-meta{font-size:.85rem;color:var(--text-lighter)}
.article-meta span{margin:0 10px}
.article-content{font-size:1rem;line-height:2;color:var(--text)}
.article-content h2{font-size:1.4rem;color:var(--primary);margin:30px 0 16px;padding-left:14px;border-left:4px solid var(--secondary)}
.article-content h3{font-size:1.15rem;color:var(--primary);margin:24px 0 12px}
.article-content p{margin-bottom:16px;text-indent:2em}
.article-content img{border-radius:var(--radius);margin:20px auto}
.article-nav{display:flex;justify-content:space-between;padding:30px 0;border-top:1px solid var(--border);margin-top:30px}
.article-nav a{font-size:.9rem;color:var(--text-light)}
.article-nav a:hover{color:var(--secondary)}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:.95rem;color:var(--primary);font-weight:600;background:var(--bg-light);transition:var(--transition)}
.faq-q:hover{background:#eef3f8}
.faq-q .arrow{transition:var(--transition)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:300px;padding:16px 24px}
.faq-a p{font-size:.9rem;color:var(--text-light);line-height:1.8}

/* ========== Contact ========== */
.contact{background:var(--bg-light)}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info .ci-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--border)}
.contact-info .ci-item:last-child{border-bottom:none}
.contact-info .ci-icon{width:48px;height:48px;border-radius:12px;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.3rem;flex-shrink:0}
.contact-info .ci-text h4{font-size:.95rem;color:var(--primary);margin-bottom:4px}
.contact-info .ci-text p{font-size:.9rem;color:var(--text-light)}
.contact-form{background:#fff;padding:30px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.contact-form h3{color:var(--primary);margin-bottom:20px;font-size:1.2rem}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.85rem;color:var(--text);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;font-family:inherit;transition:var(--transition)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(27,58,95,.1)}
.form-group textarea{resize:vertical;min-height:100px}

/* ========== Footer ========== */
.footer{background:var(--bg-dark);color:#b0c0d0;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:40px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col p,.footer-col a{font-size:.85rem;line-height:2;color:#b0c0d0}
.footer-col a:hover{color:var(--accent-light)}
.footer-col ul li{margin-bottom:6px}
.footer-contact .fc-item{display:flex;gap:10px;margin-bottom:10px;font-size:.85rem}
.footer-contact .fc-item .fc-label{color:#7a8a9a;min-width:60px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.8rem;color:#7a8a9a}
.footer-bottom a{color:#7a8a9a}
.footer-bottom a:hover{color:var(--accent-light)}

/* ========== Page Banner ========== */
.page-banner{height:300px;background:linear-gradient(135deg,var(--primary-dark),var(--primary));display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;margin-top:70px;position:relative;overflow:hidden}
.page-banner::before{content:'';position:absolute;inset:0;background:url('../images/hero-banner.png') center/cover;opacity:.2}
.page-banner h1{font-size:2.2rem;position:relative;z-index:1}
.page-banner .breadcrumb{font-size:.85rem;opacity:.8;margin-top:10px;position:relative;z-index:1}
.page-banner .breadcrumb a:hover{color:var(--accent-light)}

/* ========== Back to Top ========== */
.back-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:var(--transition);z-index:999;box-shadow:var(--shadow-lg);border:none;font-size:1.2rem}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--secondary);transform:translateY(-4px)}

/* ========== Admin Panel ========== */
.admin-header{background:var(--primary-dark);color:#fff;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}
.admin-header h1{font-size:1.2rem}
.admin-header a{color:#b0c0d0;font-size:.85rem}
.admin-header a:hover{color:var(--accent-light)}
.admin-body{max-width:1000px;margin:30px auto;padding:0 20px}
.admin-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.admin-table th,.admin-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:.9rem}
.admin-table th{background:var(--bg-light);color:var(--primary);font-weight:600}
.admin-table tr:hover{background:var(--bg-light)}
.admin-table .status-published{color:#27ae60}
.admin-table .status-draft{color:var(--text-lighter)}
.admin-btn{display:inline-block;padding:6px 14px;border-radius:var(--radius);font-size:.82rem;cursor:pointer;border:none;transition:var(--transition)}
.admin-btn-edit{background:var(--primary);color:#fff}
.admin-btn-edit:hover{background:var(--primary-light)}
.admin-btn-del{background:var(--secondary);color:#fff}
.admin-btn-del:hover{background:#a82822}
.admin-btn-add{background:#27ae60;color:#fff;margin-bottom:16px}
.admin-btn-add:hover{background:#1e8e4f}
.admin-form{background:#fff;padding:30px;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.admin-form .form-group{margin-bottom:20px}
.admin-form label{display:block;font-size:.9rem;color:var(--text);margin-bottom:8px;font-weight:600}
.admin-form input[type=text],.admin-form select,.admin-form textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;font-family:inherit}
.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(27,58,95,.1)}
.admin-form textarea{resize:vertical;min-height:300px}
.admin-login{max-width:400px;margin:80px auto;background:#fff;padding:40px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.admin-login h2{text-align:center;color:var(--primary);margin-bottom:24px}
.admin-login .form-group{margin-bottom:16px}
.admin-login input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:.95rem}
.admin-login button{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:1rem;cursor:pointer;transition:var(--transition)}
.admin-login button:hover{background:var(--primary-light)}
.admin-pagination{display:flex;justify-content:center;gap:8px;margin-top:20px}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .about-inner,.base-inner,.contact-inner{grid-template-columns:1fr;gap:30px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .services-grid,.staff-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(2,1fr);gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:768px){
  .nav{display:none;position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;box-shadow:var(--shadow-lg);padding:10px 0;max-height:calc(100vh - 70px);overflow-y:auto}
  .nav.open{display:flex}
  .nav>li{width:100%;border-bottom:1px solid var(--border)}
  .nav>li>a{line-height:50px;padding:0 24px}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;min-width:auto}
  .menu-toggle{display:flex}
  .hero-content h1{font-size:1.8rem}
  .hero-content .subtitle{font-size:.95rem}
  .section{padding:50px 0}
  .section-title h2{font-size:1.5rem}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-item .num{font-size:2rem}
  .services-grid,.staff-grid,.news-grid,.base-features{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr;gap:24px}
  .process-step:not(:last-child)::after{display:none}
  .footer-grid{grid-template-columns:1fr;gap:24px;text-align:center}
  .footer-contact .fc-item{justify-content:center}
  .hero-btns{flex-direction:column;align-items:center}
  .btn{width:auto;min-width:200px}
  .page-banner h1{font-size:1.6rem}
  .article-header h1{font-size:1.3rem}
  .admin-table{font-size:.8rem}
  .admin-table th,.admin-table td{padding:8px 10px}
}