* {
   margin: 0;
   padding: 0;
   box-sizing: border-box;
  }
  body {
   font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
   background: #f6f8fa;
   color: #2C3E50;
   line-height: 1.7;
   -webkit-font-smoothing: antialiased;
  }
  .container {
   max-width: 1200px;
   margin: 0 auto;
   padding: 0 24px;
  }
  
  .hero {
   background: #2C3E50;
   padding: 60px 0 50px;
   margin-bottom: 50px;
  }
  .hero .container {
   display: flex;
   align-items: center;
   gap: 50px;
   flex-wrap: wrap;
  }
  .hero-text {
   flex: 1 1 400px;
  }
  .hero-text h1 {
   font-size: 2.4rem;
   font-weight: 700;
   color: #fff;
   letter-spacing: 1px;
   margin-bottom: 20px;
   line-height: 1.3;
  }
  .hero-text h1 span {
   color: #E87722;
  }
  .hero-text p {
   font-size: 1.1rem;
   color: rgba(255, 255, 255, 0.85);
   max-width: 580px;
   margin-bottom: 10px;
  }
  .hero-img {
   flex: 0 0 600px;
   width: 600px;
   height: 450px;
   border-radius: 12px;
   overflow: hidden;
   box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  }
  .hero-img img {
   width: 100%;
   height: 100%;
   object-fit: cover;
   display: block;
  }
  
  .section {
   padding: 40px 0 50px;
  }
  .section-title {
   font-size: 1.9rem;
   font-weight: 700;
   color: #2C3E50;
   margin-bottom: 12px;
   line-height: 1.3;
   position: relative;
  }
  .section-title::after {
   content: '';
   display: block;
   width: 60px;
   height: 4px;
   background: #E87722;
   margin-top: 10px;
   border-radius: 2px;
  }
  .section-sub {
   font-size: 1.05rem;
   color: #5a6a7a;
   margin-bottom: 30px;
   max-width: 800px;
  }
  
  .layout-img-right {
   display: flex;
   align-items: center;
   gap: 50px;
   flex-wrap: wrap;
  }
  .layout-img-right .img-box {
   flex: 0 0 600px;
   width: 600px;
   height: 450px;
   border-radius: 12px;
   overflow: hidden;
   box-shadow: 0 8px 24px rgba(44, 62, 80, 0.12);
   background: #eef2f5;
  }
  .layout-img-right .img-box img {
   width: 100%;
   height: 100%;
   object-fit: cover;
   display: block;
  }
  .layout-img-right .text-box {
   flex: 1 1 320px;
  }
  .layout-img-right .text-box h2 {
   font-size: 1.6rem;
   color: #2C3E50;
   margin-bottom: 16px;
   font-weight: 700;
  }
  .layout-img-right .text-box p {
   margin-bottom: 14px;
   font-size: 1rem;
   color: #2d3e4f;
  }
  
  .layout-img-left {
   display: flex;
   align-items: center;
   gap: 50px;
   flex-wrap: wrap;
   flex-direction: row-reverse;
  }
  .layout-img-left .img-box {
   flex: 0 0 600px;
   width: 600px;
   height: 450px;
   border-radius: 12px;
   overflow: hidden;
   box-shadow: 0 8px 24px rgba(44, 62, 80, 0.12);
   background: #eef2f5;
  }
  .layout-img-left .img-box img {
   width: 100%;
   height: 100%;
   object-fit: cover;
   display: block;
  }
  .layout-img-left .text-box {
   flex: 1 1 320px;
  }
  .layout-img-left .text-box h2 {
   font-size: 1.6rem;
   color: #2C3E50;
   margin-bottom: 16px;
   font-weight: 700;
  }
  .layout-img-left .text-box p {
   margin-bottom: 14px;
   font-size: 1rem;
   color: #2d3e4f;
  }
  
  .config-grid {
   display: flex;
   flex-wrap: wrap;
   gap: 20px;
   margin: 20px 0 10px;
  }
  .config-grid li {
   list-style: none;
   background: #fff;
   padding: 10px 18px;
   border-radius: 8px;
   box-shadow: 0 2px 8px rgba(44, 62, 80, 0.08);
   font-weight: 500;
   color: #2C3E50;
   border-left: 4px solid #E87722;
   flex: 0 0 auto;
   font-size: 0.95rem;
  }
  
  .card-grid {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
   gap: 28px;
   margin-top: 20px;
  }
  .card-grid .card {
   background: #fff;
   border-radius: 14px;
   overflow: hidden;
   box-shadow: 0 6px 18px rgba(44, 62, 80, 0.08);
   transition: transform 0.25s ease, box-shadow 0.25s ease;
  }
  .card-grid .card:hover {
   transform: translateY(-4px);
   box-shadow: 0 14px 30px rgba(44, 62, 80, 0.14);
  }
  .card-grid .card .card-img {
   width: 100%;
   height: 200px;
   overflow: hidden;
   background: #e8edf2;
  }
  .card-grid .card .card-img img {
   width: 100%;
   height: 100%;
   object-fit: cover;
   display: block;
  }
  .card-grid .card .card-body {
   padding: 18px 20px 22px;
  }
  .card-grid .card .card-body h3 {
   font-size: 1.15rem;
   font-weight: 700;
   color: #2C3E50;
   margin-bottom: 8px;
  }
  .card-grid .card .card-body p {
   font-size: 0.94rem;
   color: #3f5367;
   margin-bottom: 0;
  }
  
  .work-steps {
   display: flex;
   flex-direction: column;
   gap: 40px;
   margin-top: 10px;
  }
  
  .styled-list {
   padding-left: 20px;
   margin: 12px 0 8px;
   columns: 2;
   column-gap: 30px;
  }
  .styled-list li {
   margin-bottom: 6px;
   font-size: 0.98rem;
   color: #2d3e4f;
   break-inside: avoid;
  }
  
  .app-grid {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
   gap: 24px;
   margin-top: 20px;
  }
  .app-grid .app-card {
   background: #fff;
   border-radius: 14px;
   overflow: hidden;
   box-shadow: 0 4px 14px rgba(44, 62, 80, 0.07);
   transition: transform 0.2s ease;
  }
  .app-grid .app-card:hover {
   transform: translateY(-3px);
  }
  .app-grid .app-card .app-img {
   width: 100%;
   height: 180px;
   overflow: hidden;
   background: #e8edf2;
  }
  .app-grid .app-card .app-img img {
   width: 100%;
   height: 100%;
   object-fit: cover;
   display: block;
  }
  .app-grid .app-card .app-body {
   padding: 14px 16px 18px;
  }
  .app-grid .app-card .app-body h3 {
   font-size: 1rem;
   font-weight: 700;
   color: #2C3E50;
   margin-bottom: 4px;
  }
  .app-grid .app-card .app-body p {
   font-size: 0.88rem;
   color: #4a5f72;
  }
  
  .divider {
   width: 100%;
   height: 1px;
   background: #dfe5ec;
   margin: 10px 0 20px;
  }
  
  .highlight {
   color: #E87722;
   font-weight: 600;
  }
  
  @media (max-width: 992px) {
   .hero-img {
    flex: 1 1 100%;
    width: 100%;
    height: auto;
    max-width: 600px;
    margin: 0 auto;
   }
   .hero-img img {
    width: 100%;
    height: auto;
    aspect-ratio: 600 / 450;
    object-fit: cover;
   }
   .layout-img-right .img-box,
   .layout-img-left .img-box {
    flex: 1 1 100%;
    width: 100%;
    height: auto;
    max-width: 600px;
    margin: 0 auto;
   }
   .layout-img-right .img-box img,
   .layout-img-left .img-box img {
    width: 100%;
    height: auto;
    aspect-ratio: 600 / 450;
    object-fit: cover;
   }
   .hero-text h1 {
    font-size: 2rem;
   }
   .section-title {
    font-size: 1.6rem;
   }
   .styled-list {
    columns: 1;
   }
   .hero {
    padding: 40px 0 40px;
   }
   .section {
    padding: 30px 0 40px;
   }
  }
  @media (max-width: 768px) {
   .container {
    padding: 0 16px;
   }
   .hero-text h1 {
    font-size: 1.7rem;
   }
   .hero-text p {
    font-size: 0.98rem;
   }
   .layout-img-right,
   .layout-img-left {
    gap: 24px;
   }
   .layout-img-right .text-box h2,
   .layout-img-left .text-box h2 {
    font-size: 1.3rem;
   }
   .section-title {
    font-size: 1.4rem;
   }
   .card-grid {
    grid-template-columns: 1fr;
   }
   .app-grid {
    grid-template-columns: 1fr 1fr;
   }
   .config-grid li {
    font-size: 0.88rem;
    padding: 8px 14px;
   }
  }
  @media (max-width: 480px) {
   .app-grid {
    grid-template-columns: 1fr;
   }
   .hero-text h1 {
    font-size: 1.4rem;
   }
   .hero {
    padding: 30px 0 30px;
    margin-bottom: 30px;
   }
   .section {
    padding: 20px 0 30px;
   }
   .card-grid .card .card-img {
    height: 170px;
   }
   .config-grid {
    gap: 12px;
   }
   .config-grid li {
    font-size: 0.82rem;
    padding: 6px 12px;
   }
  }
  
  .img-box img,
  .hero-img img,
  .card-img img,
  .app-img img {
   transition: transform 0.4s ease;
  }
  .img-box:hover img,
  .hero-img:hover img,
  .card:hover .card-img img,
  .app-card:hover .app-img img {
   transform: scale(1.03);
  }
  
  .mt-10 {
   margin-top: 10px;
  }
  .mb-10 {
   margin-bottom: 10px;
  }
  .bg-light {
   background: #f0f3f7;
   border-radius: 20px;
   padding: 30px 0;
  }
 
.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; }
}