* {
   margin: 0;
   padding: 0;
   box-sizing: border-box;
  }
  body {
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
   background: #f5f6f8;
   color: #2C3E50;
   line-height: 1.7;
  }
  .page {
   max-width: 1200px;
   margin: 0 auto;
   background: #ffffff;
   padding: 0 30px 50px;
   box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
  }
  
  .banner {
   display: flex;
   flex-wrap: wrap;
   align-items: center;
   justify-content: space-between;
   background: linear-gradient(135deg, #2C3E50 0%, #1a2a3a 100%);
   border-radius: 0 0 12px 12px;
   padding: 40px 50px 40px 50px;
   margin: 0 -30px 40px -30px;
   gap: 30px;
  }
  .banner-text {
   flex: 1 1 380px;
   color: #fff;
  }
  .banner-text h1 {
   font-size: 34px;
   font-weight: 700;
   line-height: 1.2;
   margin-bottom: 18px;
   letter-spacing: -0.3px;
   color: #fff;
   border-left: 5px solid #E87722;
   padding-left: 20px;
  }
  .banner-text p {
   font-size: 17px;
   color: #d0d7de;
   max-width: 520px;
   margin-top: 10px;
   line-height: 1.6;
  }
  .banner-img {
   flex: 0 0 auto;
  }
  .banner-img img {
   width: 600px;
   height: 450px;
   object-fit: cover;
   border-radius: 8px;
   box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
   display: block;
   max-width: 100%;
   height: auto;
   aspect-ratio: 600 / 450;
  }
  
  .content-block {
   display: flex;
   flex-wrap: wrap;
   align-items: center;
   gap: 40px;
   margin: 50px 0;
   padding: 0 10px;
  }
  .content-block.reverse {
   flex-direction: row-reverse;
  }
  .block-text {
   flex: 1 1 400px;
   min-width: 280px;
  }
  .block-text h2 {
   font-size: 26px;
   font-weight: 700;
   color: #2C3E50;
   margin-bottom: 16px;
   position: relative;
   padding-bottom: 10px;
  }
  .block-text h2::after {
   content: '';
   position: absolute;
   left: 0;
   bottom: 0;
   width: 52px;
   height: 4px;
   background: #E87722;
   border-radius: 2px;
  }
  .block-text h3 {
   font-size: 19px;
   font-weight: 600;
   color: #E87722;
   margin: 20px 0 8px 0;
  }
  .block-text p {
   font-size: 16px;
   color: #3d4a5a;
   margin-bottom: 14px;
   text-align: justify;
  }
  .block-text ul {
   list-style: none;
   padding: 0;
   margin: 15px 0 5px;
  }
  .block-text ul li {
   padding: 6px 0 6px 28px;
   position: relative;
   font-size: 15.5px;
   color: #2C3E50;
   border-bottom: 1px solid #eef0f2;
  }
  .block-text ul li:last-child {
   border-bottom: none;
  }
  .block-text ul li::before {
   content: "▸";
   position: absolute;
   left: 0;
   color: #E87722;
   font-weight: bold;
   font-size: 18px;
  }
  .block-img {
   flex: 0 0 auto;
  }
  .block-img img {
   width: 600px;
   height: 450px;
   object-fit: cover;
   border-radius: 8px;
   box-shadow: 0 6px 20px rgba(44, 62, 80, 0.10);
   display: block;
   max-width: 100%;
   height: auto;
   aspect-ratio: 600 / 450;
   transition: transform 0.25s ease;
  }
  .block-img img:hover {
   transform: scale(1.01);
  }
  
  .full-image {
   margin: 50px 0;
   text-align: center;
  }
  .full-image img {
   width: 600px;
   height: 450px;
   object-fit: cover;
   border-radius: 10px;
   box-shadow: 0 8px 28px rgba(44, 62, 80, 0.12);
   max-width: 100%;
   height: auto;
   aspect-ratio: 600 / 450;
  }
  
  .dual-image {
   display: flex;
   flex-wrap: wrap;
   gap: 30px;
   justify-content: center;
   margin: 50px 0;
  }
  .dual-image img {
   width: 600px;
   height: 450px;
   object-fit: cover;
   border-radius: 8px;
   box-shadow: 0 6px 20px rgba(44, 62, 80, 0.08);
   flex: 0 0 auto;
   max-width: 100%;
   height: auto;
   aspect-ratio: 600 / 450;
  }
  .dual-image .img-wrap {
   flex: 0 1 600px;
  }
  .dual-image .img-wrap img {
   width: 100%;
   height: auto;
  }
  
  .advantage-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
   gap: 25px;
   margin: 30px 0 10px;
  }
  .advantage-card {
   background: #f8f9fb;
   border-radius: 8px;
   padding: 22px 20px 20px 20px;
   border-left: 4px solid #E87722;
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  }
  .advantage-card h3 {
   font-size: 18px;
   font-weight: 700;
   color: #2C3E50;
   margin-bottom: 8px;
  }
  .advantage-card p {
   font-size: 14.5px;
   color: #4a5a6a;
   line-height: 1.6;
  }
  
  .divider {
   height: 1px;
   background: #e5e8ec;
   margin: 20px 0 30px;
  }
  
  .highlight {
   color: #E87722;
   font-weight: 600;
  }
  
  @media (max-width: 900px) {
   .page {
    padding: 0 16px 40px;
   }
   .banner {
    padding: 30px 20px 30px 20px;
    margin: 0 -16px 30px -16px;
    flex-direction: column;
    text-align: center;
   }
   .banner-text h1 {
    font-size: 26px;
    padding-left: 0;
    border-left: none;
    border-top: 4px solid #E87722;
    padding-top: 14px;
   }
   .banner-text p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
   }
   .banner-img img {
    width: 100%;
    height: auto;
   }
   .content-block {
    flex-direction: column !important;
    gap: 20px;
    margin: 35px 0;
    padding: 0;
   }
   .block-text h2 {
    font-size: 22px;
   }
   .block-img img {
    width: 100%;
    height: auto;
   }
   .dual-image {
    flex-direction: column;
    align-items: center;
   }
   .dual-image img {
    width: 100%;
    height: auto;
   }
   .full-image img {
    width: 100%;
    height: auto;
   }
   .advantage-grid {
    grid-template-columns: 1fr;
   }
  }
  @media (max-width: 480px) {
   .banner-text h1 {
    font-size: 22px;
   }
   .block-text p {
    font-size: 15px;
   }
   .block-text ul li {
    font-size: 14.5px;
   }
  }
 
.kuang-nav { position:sticky; top:0; z-index:1000; background:#fff; border-bottom:2px solid #E87722; box-shadow:0 2px 12px rgba(0,0,0,0.06); }
.kuang-nav-inner { max-width:1200px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; height:60px; padding:0 24px; }
.kuang-nav-brand { display:flex; align-items:center; gap:10px; text-decoration:none; flex-shrink:0; }
.kuang-nav-brand-icon { width:36px; height:36px; background:#E87722; border-radius:8px; display:flex; align-items:center; justify-content:center; color:#fff; font-weight:700; font-size:18px; }
.kuang-nav-brand-text { font-size:17px; font-weight:700; color:#2C3E50; }
.kuang-nav-links { display:flex; align-items:center; gap:2px; list-style:none; }
.kuang-nav-links a { display:block; padding:8px 16px; font-size:15px; font-weight:500; color:#3d4a5a; text-decoration:none; border-radius:6px; transition:color 0.2s,background 0.2s; white-space:nowrap; }
.kuang-nav-links a:hover, .kuang-nav-links a.kuang-active { color:#E87722; background:rgba(232,119,34,0.07); }
.kuang-nav-phone { display:flex; align-items:center; gap:6px; font-size:15px; font-weight:600; color:#E87722; text-decoration:none; flex-shrink:0; transition:opacity 0.2s; }
.kuang-nav-phone:hover { opacity:0.75; }
.kuang-hamburger { display:none; flex-direction:column; justify-content:center; align-items:center; width:40px; height:40px; cursor:pointer; border:none; background:transparent; gap:5px; -webkit-tap-highlight-color:transparent; }
.kuang-hamburger span { display:block; width:22px; height:2px; background:#2C3E50; border-radius:2px; transition:transform 0.3s,opacity 0.3s; }
.kuang-hamburger.kuang-open span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.kuang-hamburger.kuang-open span:nth-child(2) { opacity:0; }
.kuang-hamburger.kuang-open span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }
.kuang-mobile-menu { display:none; position:fixed; top:60px; left:0; right:0; background:#fff; border-bottom:2px solid #E87722; box-shadow:0 8px 24px rgba(0,0,0,0.1); z-index:999; padding:8px 0; transform:translateY(-8px); opacity:0; transition:transform 0.3s ease,opacity 0.3s ease; }
.kuang-mobile-menu.kuang-show { display:block; transform:translateY(0); opacity:1; }
.kuang-mobile-menu a { display:block; padding:12px 24px; font-size:16px; font-weight:500; color:#3d4a5a; text-decoration:none; border-left:3px solid transparent; transition:all 0.2s; }
.kuang-mobile-menu a:hover, .kuang-mobile-menu a.kuang-active { color:#E87722; background:rgba(232,119,34,0.05); border-left-color:#E87722; }
.kuang-mobile-menu .kuang-mob-phone { display:flex; align-items:center; gap:8px; padding:14px 24px; font-size:16px; font-weight:600; color:#E87722; text-decoration:none; border-top:1px solid #eee; margin-top:4px; }


.kuang-footer { background:#1a2332; color:#c0c8d4; }
.kuang-footer-inner { max-width:1200px; margin:0 auto; padding:44px 24px 0; }
.kuang-footer-top { display:flex; gap:48px; flex-wrap:wrap; padding-bottom:32px; border-bottom:1px solid rgba(255,255,255,0.08); }
.kuang-footer-brand { flex:1 1 260px; min-width:220px; }
.kuang-footer-brand-row { display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.kuang-footer-brand-icon { width:36px; height:36px; background:#E87722; border-radius:8px; display:flex; align-items:center; justify-content:center; color:#fff; font-weight:700; font-size:17px; flex-shrink:0; }
.kuang-footer-brand-name { font-size:18px; font-weight:700; color:#e8ecf0; }
.kuang-footer-brand p { font-size:14px; line-height:1.7; color:#7a8a9a; margin-bottom:14px; }
.kuang-footer-contact { display:flex; flex-direction:column; }
.kuang-footer-contact a { display:inline-flex; align-items:center; gap:6px; color:#E87722; text-decoration:none; font-size:14px; font-weight:500; margin-bottom:6px; transition:opacity 0.2s; }
.kuang-footer-contact a:hover { opacity:0.75; }
.kuang-footer-nav { flex:0 1 170px; min-width:140px; }
.kuang-footer-nav h3 { font-size:14px; font-weight:600; color:#e8ecf0; margin-bottom:16px; text-transform:uppercase; letter-spacing:0.5px; }
.kuang-footer-nav ul { list-style:none; }
.kuang-footer-nav ul li { margin-bottom:10px; }
.kuang-footer-nav ul li a { font-size:14px; color:#7a8a9a; text-decoration:none; transition:color 0.2s,transform 0.2s; display:inline-block; }
.kuang-footer-nav ul li a:hover { color:#E87722; transform:translateX(3px); }
.kuang-footer-news { flex:1 1 320px; min-width:260px; }
.kuang-footer-news h3 { font-size:14px; font-weight:600; color:#e8ecf0; margin-bottom:16px; text-transform:uppercase; letter-spacing:0.5px; }
.kuang-news-list { display:flex; flex-direction:column; }
.kuang-news-list a { display:block; padding:9px 14px 9px 24px; font-size:14px; color:#7a8a9a; text-decoration:none; border-radius:5px; position:relative; line-height:1.5; transition:color 0.2s,background 0.2s; }
.kuang-news-list a::before { content:""; position:absolute; left:10px; top:50%; transform:translateY(-50%); width:5px; height:5px; background:#3a4a5e; border-radius:50%; transition:background 0.2s; }
.kuang-news-list a:hover { color:#E87722; background:rgba(232,119,34,0.06); }
.kuang-news-list a:hover::before { background:#E87722; }
.kuang-news-list a + a { border-top:1px solid rgba(255,255,255,0.04); }
.kuang-footer-bottom { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; padding:18px 0 22px; }
.kuang-footer-bottom p { font-size:13px; color:#4e5a6a; margin:0; }
.kuang-footer-bottom-links { display:flex; gap:18px; }
.kuang-footer-bottom-links a { font-size:13px; color:#4e5a6a; text-decoration:none; transition:color 0.2s; }
.kuang-footer-bottom-links a:hover { color:#E87722; }


.kuang-back-top { position:fixed; bottom:28px; right:28px; width:44px; height:44px; background:#E87722; color:#fff; border:none; border-radius:10px; cursor:pointer; display:flex; align-items:center; justify-content:center; box-shadow:0 4px 16px rgba(232,119,34,0.35); opacity:0; transform:translateY(12px); transition:all 0.3s ease; z-index:800; -webkit-tap-highlight-color:transparent; }
.kuang-back-top.kuang-visible { opacity:1; transform:translateY(0); }
.kuang-back-top:hover { background:#d06a1a; transform:translateY(-2px); }


@media (max-width:1024px) { .kuang-footer-top { gap:32px; } }
@media (max-width:768px) {
 .kuang-nav-links { display:none; }
 .kuang-nav-phone { display:none; }
 .kuang-hamburger { display:flex; }
 .kuang-footer-inner { padding:32px 20px 0; }
 .kuang-footer-top { flex-direction:column; gap:28px; }
 .kuang-footer-brand, .kuang-footer-nav, .kuang-footer-news { flex:1 1 100%; min-width:0; }
 .kuang-footer-bottom { flex-direction:column; text-align:center; }
}
@media (max-width:480px) {
 .kuang-nav-inner { padding:0 14px; height:54px; }
 .kuang-nav-brand-text { font-size:15px; }
 .kuang-nav-brand-icon { width:30px; height:30px; font-size:15px; border-radius:6px; }
 .kuang-mobile-menu { top:54px; }
 .kuang-footer-inner { padding:26px 14px 0; }
 .kuang-news-list a { font-size:13px; padding:8px 10px 8px 20px; }
 .kuang-news-list a::before { left:6px; width:4px; height:4px; }
 .kuang-back-top { width:38px; height:38px; bottom:16px; right:14px; border-radius:8px; }
}