/* news.html */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","微软雅黑",sans-serif;color:#333;line-height:1.6;background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:12px 32px;border-radius:4px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s}
.btn-primary{background:#e8341a;color:#fff;border:2px solid #e8341a}
.btn-primary:hover{background:#c42a14;border-color:#c42a14;transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,52,26,.3)}

/* 顶部公告条 */
.top-bar{background:#1a1a2e;color:#ccc;font-size:.82rem;padding:8px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center}
.top-bar a{color:#ccc}.top-bar a:hover{color:#e8341a}

/* 导航 */
header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08)}
nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{width:44px;height:44px;background:#e8341a;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;font-weight:900}
.logo-text .name{font-size:1.1rem;font-weight:700;color:#1a1a2e}
.logo-text .eng{font-size:.72rem;color:#888;letter-spacing:1px}
.nav-links{display:flex;list-style:none;gap:8px}
.nav-links li{position:relative}
.nav-links a{display:block;padding:8px 16px;font-size:.95rem;color:#333;border-radius:4px;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#e8341a}
.nav-links .dropdown{position:absolute;top:calc(100% + 4px);left:0;background:#fff;border:1px solid #eee;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.1);min-width:160px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .25s;z-index:100}
.nav-links li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-links .dropdown a{padding:10px 20px;font-size:.9rem;border-radius:0}
.nav-links .dropdown a:hover{background:#fff5f3;color:#e8341a}
.nav-phone{font-weight:700;color:#e8341a;font-size:1rem;white-space:nowrap}
.nav-phone span{font-size:.8rem;color:#888;font-weight:400;display:block}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.hamburger span{width:24px;height:2px;background:#333;display:block;transition:all .3s}

/* 页面英雄区 */
.page-hero{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);color:#fff;padding:80px 0;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-30%;right:-5%;width:500px;height:500px;background:radial-gradient(circle,rgba(232,52,26,.15) 0%,transparent 70%);pointer-events:none}
.page-hero h1{font-size:2.6rem;font-weight:800;margin-bottom:16px}
.page-hero h1 em{color:#e8341a;font-style:normal}
.page-hero p{color:rgba(255,255,255,.75);font-size:1.05rem;max-width:600px;margin:0 auto}
.breadcrumb{display:flex;justify-content:center;gap:8px;margin-top:20px;font-size:.85rem;color:rgba(255,255,255,.6)}
.breadcrumb a{color:rgba(255,255,255,.6)}.breadcrumb a:hover{color:#e8341a}

/* 分类标签栏 */
.cat-tabs{background:#f8f8f8;border-bottom:1px solid #eee;position:sticky;top:72px;z-index:99}
.cat-tabs .container{display:flex;gap:0;overflow-x:auto}
.cat-tabs a{display:block;padding:16px 28px;font-size:.9rem;color:#666;white-space:nowrap;border-bottom:3px solid transparent;transition:all .2s}
.cat-tabs a:hover,.cat-tabs a.active{color:#e8341a;border-bottom-color:#e8341a}

/* 资讯列表 */
.news-section{padding:60px 0 80px}
.news-layout{display:grid;grid-template-columns:1fr 360px;gap:40px}

/* 置顶推荐 */
.news-featured{margin-bottom:48px}
.news-featured-card{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;background:#fff;border:1px solid #eee;border-radius:16px;overflow:hidden;transition:all .3s;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.news-featured-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.1);transform:translateY(-2px)}
.nf-img{height:320px;overflow:hidden}
.nf-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-featured-card:hover .nf-img img{transform:scale(1.04)}
.nf-body{padding:36px 36px 36px 0}
.nf-badge{display:inline-block;background:#e8341a;color:#fff;font-size:.75rem;padding:4px 14px;border-radius:12px;font-weight:600;margin-bottom:14px}
.nf-body h2{font-size:1.6rem;font-weight:800;color:#1a1a2e;margin-bottom:14px;line-height:1.4}
.nf-body h2:hover{color:#e8341a}
.nf-body .nf-desc{color:#555;font-size:.94rem;line-height:1.8;margin-bottom:18px}
.nf-meta{display:flex;align-items:center;gap:16px;font-size:.82rem;color:#999}
.nf-meta span{display:flex;align-items:center;gap:4px}

/* 文章列表 */
.news-list{display:flex;flex-direction:column;gap:20px}
.news-card{display:flex;gap:20px;padding:24px;background:#fff;border:1px solid #f0f0f0;border-radius:12px;transition:all .3s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.news-card:hover{border-color:#e8341a;box-shadow:0 8px 30px rgba(232,52,26,.08);transform:translateY(-2px)}
.nc-img{width:220px;min-height:150px;border-radius:8px;overflow:hidden;flex-shrink:0}
.nc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .nc-img img{transform:scale(1.05)}
.nc-body{flex:1;display:flex;flex-direction:column;justify-content:center}
.nc-body h3{font-size:1.1rem;font-weight:700;color:#1a1a2e;margin-bottom:10px;line-height:1.5;transition:color .2s}
.news-card:hover .nc-body h3{color:#e8341a}
.nc-body .nc-desc{color:#666;font-size:.86rem;line-height:1.7;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nc-meta{display:flex;align-items:center;gap:14px;font-size:.78rem;color:#aaa;flex-wrap:wrap}
.nc-tag{display:inline-block;background:#fff5f3;color:#e8341a;font-size:.72rem;padding:2px 10px;border-radius:10px;font-weight:600;border:1px solid #ffd0c8}

/* 侧边栏 */
.sidebar{display:flex;flex-direction:column;gap:28px}
.sb-widget{background:#fff;border:1px solid #f0f0f0;border-radius:12px;padding:24px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.sb-widget h3{font-size:1rem;font-weight:700;color:#1a1a2e;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid #e8341a;display:flex;align-items:center;gap:8px}

/* 热门文章 */
.hot-list{list-style:none}
.hot-list li{padding:12px 0;border-bottom:1px solid #f5f5f5;display:flex;gap:12px;align-items:flex-start}
.hot-list li:last-child{border-bottom:none}
.hot-num{width:26px;height:26px;background:#f0f0f0;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800;color:#888;flex-shrink:0}
.hot-list li:nth-child(1) .hot-num{background:#e8341a;color:#fff}
.hot-list li:nth-child(2) .hot-num{background:#ff7b6b;color:#fff}
.hot-list li:nth-child(3) .hot-num{background:#ffa07a;color:#fff}
.hot-list .hot-title{font-size:.88rem;color:#333;line-height:1.5;flex:1;transition:color .2s}
.hot-list li:hover .hot-title{color:#e8341a}

/* 行业知识卡片 */
.knowledge-list{display:flex;flex-direction:column;gap:12px}
.knowledge-item{display:flex;gap:12px;align-items:center;padding:10px 12px;background:#f9f9f9;border-radius:8px;transition:all .2s;cursor:pointer}
.knowledge-item:hover{background:#fff5f3;border-left:3px solid #e8341a}
.knowledge-item .ki-icon{font-size:1.4rem;flex-shrink:0}
.knowledge-item .ki-text{font-size:.85rem;color:#444;line-height:1.5}
.knowledge-item .ki-text strong{color:#1a1a2e}

/* 联系咨询卡片 */
.sb-contact{background:linear-gradient(135deg,#1a1a2e,#0f3460);color:#fff;border:none;text-align:center;padding:32px 24px}
.sb-contact h3{color:#fff;border-bottom-color:rgba(255,255,255,.3);justify-content:center}
.sb-contact p{font-size:.88rem;color:rgba(255,255,255,.8);margin-bottom:16px;line-height:1.7}
.sb-contact .phone-big{font-size:1.6rem;font-weight:800;color:#e8341a;margin-bottom:18px;letter-spacing:1px}
.sb-contact .btn-white{display:inline-block;background:#fff;color:#e8341a;border:none;padding:10px 28px;border-radius:4px;font-size:.9rem;font-weight:700;cursor:pointer;transition:all .3s}
.sb-contact .btn-white:hover{background:#e8341a;color:#fff;transform:translateY(-2px)}

/* 行业知识专区 */
.knowledge-section{padding:60px 0;background:#f9f9f9}
.knowledge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.know-card{background:#fff;border:1px solid #eee;border-radius:12px;padding:28px 22px;text-align:center;transition:all .3s;cursor:pointer}
.know-card:hover{border-color:#e8341a;box-shadow:0 8px 30px rgba(232,52,26,.08);transform:translateY(-4px)}
.know-card .kc-icon{font-size:2.8rem;margin-bottom:14px}
.know-card h3{font-size:1rem;font-weight:700;color:#1a1a2e;margin-bottom:8px}
.know-card p{font-size:.82rem;color:#666;line-height:1.7}

/* CTA */
.cta-section{background:linear-gradient(135deg,#1a1a2e,#0f3460);color:#fff;padding:80px 0;text-align:center}
.cta-section h2{font-size:2.2rem;font-weight:800;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.75);font-size:1.05rem;margin-bottom:36px;max-width:600px;margin-left:auto;margin-right:auto}
.btn-white{background:#fff;color:#e8341a;border:2px solid #fff;padding:14px 40px;border-radius:4px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s;display:inline-block}
.btn-white:hover{background:transparent;color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6);padding:14px 40px;border-radius:4px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;display:inline-block}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* ===== FAQ区块 ===== */
.faq-section { background: #f8f9fb; }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.faq-item {
  background: #fff;
  border-radius: 10px;
  padding: 24px 28px;
  border-left: 4px solid #e8341a;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.10); }
.faq-q {
  font-size: 1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 10px;
  line-height: 1.5;
}
.faq-q::before {
  content: 'Q';
  display: inline-block;
  background: #e8341a;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  text-align: center;
  line-height: 20px;
  margin-right: 8px;
  vertical-align: middle;
}
.faq-a {
  font-size: 0.9rem;
  color: #555;
  line-height: 1.8;
  padding-left: 28px;
}
@media (max-width: 768px) {
  .faq-grid { grid-template-columns: 1fr; }
}

/* Footer */
footer{background:#111;color:rgba(255,255,255,.6);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-col h4{color:#fff;font-size:.95rem;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid #333}
.footer-col p,.footer-col a{font-size:.85rem;line-height:2;display:block;transition:color .2s}
.footer-col a:hover{color:#e8341a}
.footer-bottom{border-top:1px solid #222;padding-top:24px;display:flex;justify-content:center;align-items:center;font-size:.78rem;flex-wrap:nowrap;gap:0;white-space:nowrap}
.footer-bottom a{color:rgba(255,255,255,.5)}.footer-bottom a:hover{color:#e8341a}

/* 浮动按钮 */
.float-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 4px 16px rgba(0,0,0,.2);cursor:pointer;transition:all .3s;position:fixed;right:24px;z-index:999;text-decoration:none}
.float-phone{bottom:90px;background:#e8341a;color:#fff}
.float-top{bottom:24px;background:#555;color:#fff}
.float-btn:hover{transform:scale(1.1)}

/* 文章详情弹窗 */
.article-modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:10000;justify-content:center;align-items:center;opacity:0;transition:opacity .3s}
.article-modal-overlay.show{display:flex;opacity:1}
.article-modal{background:#fff;width:90%;max-width:860px;max-height:88vh;border-radius:16px;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.25);display:flex;flex-direction:column;transform:translateY(30px);transition:transform .3s}
.article-modal-overlay.show .article-modal{transform:translateY(0)}
.am-header{padding:24px 32px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.am-header .am-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.am-header .am-tag{display:inline-block;background:#e8341a;color:#fff;font-size:.75rem;padding:3px 12px;border-radius:12px;font-weight:600}
.am-header .am-date{font-size:.82rem;color:#999}
.am-close{width:36px;height:36px;border:none;background:#f5f5f5;border-radius:50%;font-size:1.3rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;color:#666;flex-shrink:0}
.am-close:hover{background:#e8341a;color:#fff}
.am-title{padding:12px 32px 0;font-size:1.5rem;font-weight:800;color:#1a1a2e;line-height:1.5}
.am-img{margin:20px 32px 0;border-radius:10px;overflow:hidden;max-height:320px}
.am-img img{width:100%;height:100%;object-fit:cover}
.am-body{padding:24px 32px 32px;overflow-y:auto;flex:1;font-size:.95rem;line-height:1.9;color:#444}
.am-body h3{font-size:1.1rem;font-weight:700;color:#1a1a2e;margin:24px 0 12px}
.am-body h3:first-child{margin-top:0}
.am-body p{margin-bottom:16px}
.am-body ul,.am-body ol{margin:12px 0 16px 20px}
.am-body li{margin-bottom:8px}
.am-body strong{color:#1a1a2e}
.am-footer{padding:16px 32px;border-top:1px solid #f0f0f0;text-align:center}
.am-footer a{color:#e8341a;font-weight:600;font-size:.9rem}
.am-footer a:hover{text-decoration:underline}
@media(max-width:768px){
  .article-modal{width:96%;max-height:92vh;border-radius:12px}
  .am-header{padding:16px 20px 0}
  .am-title{padding:8px 20px 0;font-size:1.2rem}
  .am-img{margin:16px 20px 0}
  .am-body{padding:20px}
  .am-footer{padding:12px 20px}
}
@media(max-width:768px){
  .nav-links{display:none}.hamburger{display:flex}
  .page-hero h1{font-size:1.9rem}
  .cat-tabs{display:none}
  .news-featured-card{grid-template-columns:1fr}
  .nf-img{height:200px}
  .nf-body{padding:20px}
  .nf-body h2{font-size:1.3rem}
  .news-layout{grid-template-columns:1fr}
  .sidebar{order:-1}
  .news-card{flex-direction:column}
  .nc-img{width:100%;min-height:180px}
  .knowledge-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
}