/* ===== 全局重置与基础 ===== */
*,*::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;background:linear-gradient(135deg,#0a0e27 0%,#1a1145 50%,#0d1b3e 100%);color:#e0e6f0;min-height:100vh;line-height:1.8;overflow-x:hidden}
a{color:#4fc3f7;text-decoration:none;transition:color .3s}
a:hover{color:#81d4fa}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{color:#fff;line-height:1.4;margin-bottom:.5em}
h1{font-size:2.2rem}h2{font-size:1.8rem}h3{font-size:1.4rem}h4{font-size:1.2rem}h5{font-size:1.1rem}h6{font-size:1rem}
p{margin-bottom:1em;color:#c0c8d8}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== 玻璃态效果 ===== */
.glass{background:rgba(255,255,255,.06);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:16px}
.glass-sm{background:rgba(255,255,255,.04);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.08);border-radius:12px}

/* ===== 顶部导航 ===== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,14,39,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.08);padding:0 20px;transition:all .3s}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:700;color:#fff}
.nav-brand .logo-icon{width:36px;height:36px;background:linear-gradient(135deg,#4fc3f7,#7c4dff);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:#fff;font-weight:900}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center}
.nav-links a{color:#b0b8c8;font-size:.95rem;transition:color .3s;position:relative}
.nav-links a:hover,.nav-links a.active{color:#4fc3f7}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:#4fc3f7;transition:width .3s}
.nav-links a:hover::after{width:100%}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.hamburger span{width:24px;height:2px;background:#fff;transition:all .3s}

/* ===== 面包屑 ===== */
.breadcrumb{padding:80px 0 10px;font-size:.85rem;color:#8890a0}
.breadcrumb a{color:#4fc3f7}
.breadcrumb span{margin:0 8px;color:#555}

/* ===== Hero区域 ===== */
.hero{padding:120px 0 80px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 50% 30%,rgba(79,195,247,.12) 0%,transparent 60%);pointer-events:none}
.hero-badge{display:inline-block;padding:6px 20px;border-radius:20px;background:rgba(79,195,247,.15);border:1px solid rgba(79,195,247,.3);color:#4fc3f7;font-size:.85rem;margin-bottom:20px}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);background:linear-gradient(135deg,#fff 0%,#4fc3f7 50%,#7c4dff 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px}
.hero p{font-size:1.1rem;color:#a0a8b8;max-width:700px;margin:0 auto 30px}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:10px;font-size:.95rem;font-weight:600;cursor:pointer;border:none;transition:all .3s}
.btn-primary{background:linear-gradient(135deg,#4fc3f7,#7c4dff);color:#fff;box-shadow:0 4px 20px rgba(79,195,247,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(79,195,247,.4);color:#fff}
.btn-outline{background:transparent;color:#4fc3f7;border:1px solid rgba(79,195,247,.4)}
.btn-outline:hover{background:rgba(79,195,247,.1);color:#fff}

/* ===== 仪表盘动画 ===== */
.dashboard{padding:60px 0}
.dashboard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{padding:30px 20px;text-align:center;transition:transform .3s}
.stat-card:hover{transform:translateY(-4px)}
.stat-number{font-size:2.4rem;font-weight:800;background:linear-gradient(135deg,#4fc3f7,#7c4dff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.85rem;color:#8890a0;margin-top:6px}
.stat-icon{font-size:2rem;margin-bottom:10px}

/* ===== 新闻卡片 ===== */
.news-section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.8rem;margin-bottom:8px}
.section-title p{color:#8890a0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{overflow:hidden;transition:transform .3s,box-shadow .3s}
.news-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.news-card img{width:100%;height:200px;object-fit:cover}
.news-card .card-body{padding:20px}
.news-card h4{margin-bottom:8px;font-size:1.05rem}
.news-card p{font-size:.9rem;color:#a0a8b8}
.news-card .card-date{font-size:.8rem;color:#6670a0;margin-top:10px}

/* ===== 视频专区 ===== */
.video-section{padding:60px 0}
.video-wrapper{position:relative;border-radius:16px;overflow:hidden;cursor:pointer;max-width:800px;margin:0 auto}
.video-wrapper img{width:100%;display:block}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:72px;height:72px;background:rgba(79,195,247,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s}
.play-btn::after{content:'';border-left:24px solid #fff;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:4px}
.video-wrapper:hover .play-btn{transform:translate(-50%,-50%) scale(1.1);background:rgba(124,77,255,.9)}

/* ===== 评价轮播 ===== */
.reviews-section{padding:60px 0}
.reviews-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding:10px 0;scrollbar-width:none}
.reviews-track::-webkit-scrollbar{display:none}
.review-card{min-width:300px;max-width:350px;scroll-snap-align:start;padding:24px;flex-shrink:0}
.review-card .stars{color:#ffd54f;font-size:1.1rem;margin-bottom:10px}
.review-card .review-text{font-size:.9rem;color:#b0b8c8;margin-bottom:14px;line-height:1.7}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#4fc3f7,#7c4dff);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-card .reviewer-name{font-weight:600;color:#e0e6f0;font-size:.9rem}

/* ===== 搜索框 ===== */
.search-box{position:relative;max-width:500px;margin:20px auto 0}
.search-box input{width:100%;padding:14px 50px 14px 20px;border-radius:12px;border:1px solid rgba(79,195,247,.3);background:rgba(255,255,255,.06);color:#fff;font-size:.95rem;outline:none;transition:all .3s}
.search-box input:focus{border-color:#4fc3f7;box-shadow:0 0 20px rgba(79,195,247,.2)}
.search-box input::placeholder{color:#6670a0}
.search-box button{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:linear-gradient(135deg,#4fc3f7,#7c4dff);border:none;color:#fff;width:38px;height:38px;border-radius:8px;cursor:pointer;font-size:1.1rem}
.search-status{text-align:center;margin-top:10px;font-size:.85rem;color:#4fc3f7;min-height:20px;opacity:0;transition:opacity .3s}
.search-status.visible{opacity:1}

/* ===== 页脚 ===== */
.footer{padding:40px 0 20px;border-top:1px solid rgba(255,255,255,.08);margin-top:60px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-brand h3{font-size:1.2rem;margin-bottom:10px}
.footer-brand p{font-size:.85rem;color:#8890a0}
.footer-col h5{margin-bottom:12px;color:#fff;font-size:.95rem}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:#8890a0;font-size:.85rem}
.footer-col a:hover{color:#4fc3f7}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.06);font-size:.8rem;color:#6670a0}

/* ===== 内页样式 ===== */
.article-page{padding:100px 0 60px}
.article-page .article-content{max-width:800px;margin:0 auto}
.article-page h1{font-size:1.8rem;margin-bottom:20px;text-align:center}
.article-page .article-meta{text-align:center;color:#8890a0;font-size:.85rem;margin-bottom:30px}
.article-page .article-body{padding:30px;line-height:2}
.article-page .article-body h2{font-size:1.5rem;margin:30px 0 15px;padding-bottom:10px;border-bottom:1px solid rgba(79,195,247,.2);color:#4fc3f7}
.article-page .article-body h3{font-size:1.2rem;margin:20px 0 10px;color:#81d4fa}
.article-page .article-body p{margin-bottom:16px;text-indent:2em}
.article-page .article-body img{border-radius:12px;margin:20px 0}

/* ===== 淡入动画 ===== */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .dashboard-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:rgba(10,14,39,.95);backdrop-filter:blur(20px);padding:20px;gap:16px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links.active{display:flex}
  .hero{padding:100px 0 60px}
  .hero h1{font-size:1.8rem}
  .dashboard-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stat-number{font-size:1.8rem}
  .review-card{min-width:260px}
  .hero-buttons{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .dashboard-grid{grid-template-columns:1fr}
  .stat-number{font-size:1.5rem}
}