/* ============== Design Tokens ============== */
:root{
  --c-primary:#07483E;
  --c-primary-deep:#062322;
  --c-accent:#00A475;
  --c-accent-soft:#6ee7b7;
  --c-gold:#E8B780;
  --c-gold-soft:#E8C879;
  --c-light:#F8F6F1;
  --c-bg:#FAFBFC;
  --c-dark:#1A1A1A;
  --c-gray:#6B7280;
  --c-gray-2:#9CA3AF;
  --c-border:#E5E7EB;
  --c-blue:#0EA5E9;
  --shadow-sm:0 2px 8px rgba(14,59,58,.06);
  --shadow:0 4px 20px rgba(14,59,58,.08);
  --shadow-lg:0 16px 48px rgba(14,59,58,.12);
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:24px;
  --container:1280px;
  --transition:cubic-bezier(.4,0,.2,1) .35s;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--c-bg);
  color:var(--c-dark);
  line-height:1.7;
  font-size:15px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}

/* ============== Navigation ============== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid transparent;
  transition:var(--transition);
}
.nav.scrolled{
  background:rgba(255,255,255,.95);
  border-bottom-color:var(--c-border);
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-logo img{height:36px;width:auto}
.nav-menu{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-menu a{
  padding:8px 14px;font-size:14.5px;color:var(--c-dark);
  border-radius:8px;transition:var(--transition);font-weight:500;
}
.nav-menu a:hover,.nav-menu a.active{color:var(--c-accent);background:#f0f9f4}
.nav-item{position:relative}
.nav-item.has-dropdown > a{display:flex;align-items:center;gap:6px}
.nav-item.has-dropdown > a::after{content:'';width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;margin-top:2px;transition:transform .25s ease}
.nav-item.has-dropdown:hover > a::after{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:50%;transform:translate(-50%,6px);min-width:190px;background:#fff;border:1px solid var(--c-border);border-radius:12px;padding:8px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s ease,transform .25s ease,visibility .25s ease}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown,.nav-item.open .dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.dropdown a{display:block;padding:10px 14px;border-radius:8px;font-size:14px;color:var(--c-dark);white-space:nowrap;font-weight:500;background:transparent}
.dropdown a:hover{color:var(--c-accent);background:#f0f9f4}
.mega-panel{width:640px;padding:18px;min-width:0}
.mega-panel.mega-2{width:500px}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.mega-2 .mega-grid{grid-template-columns:repeat(2,1fr)}
.mega-panel a.mega-item{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:10px;white-space:normal;font-size:14px;color:var(--c-dark);font-weight:500;background:transparent}
.mega-panel a.mega-item:hover{background:#f0f9f4}
.mega-icon{width:34px;height:34px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#f0f9f4;border-radius:8px;color:var(--c-accent)}
.mega-item:hover .mega-icon{background:#dff3ea}
.mega-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mega-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.mega-title{font-size:14px;color:var(--c-dark);font-weight:600;line-height:1.3}
.mega-item:hover .mega-title{color:var(--c-accent)}
.mega-desc{font-size:12px;color:var(--c-gray);font-weight:400;line-height:1.45}
.mega-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-border);display:flex;justify-content:space-between;align-items:center}
.mega-foot a{display:inline;padding:0;font-size:13px;color:var(--c-accent);font-weight:600;white-space:nowrap;background:transparent}
.mega-foot a:hover{background:transparent}
.mega-foot span{font-size:12px;color:var(--c-gray)}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 22px;border-radius:999px;font-size:14px;font-weight:600;
  transition:var(--transition);white-space:nowrap;cursor:pointer;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:#008f64;transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,164,117,.3)}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-border)}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent)}
.btn-gold{background:var(--c-gold);color:#fff}
.btn-gold:hover{background:#b08c43;transform:translateY(-1px)}
.btn-lg{padding:14px 32px;font-size:15px}

.lang-toggle{
  width:40px;height:40px;border-radius:8px;
  border:1.5px solid var(--c-border);background:#fff;
  color:var(--c-primary);font-size:13px;font-weight:700;
  cursor:pointer;transition:var(--transition);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.lang-toggle:hover{border-color:var(--c-accent);color:var(--c-accent)}

.menu-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:8px}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--c-primary);position:relative;transition:var(--transition)}
.menu-toggle span::before,.menu-toggle span::after{content:'';position:absolute;left:0;width:20px;height:2px;background:var(--c-primary);transition:var(--transition)}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle.active span{background:transparent}
.menu-toggle.active span::before{top:0;transform:rotate(45deg)}
.menu-toggle.active span::after{top:0;transform:rotate(-45deg)}

@media(max-width:1024px){
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:16px;gap:8px;box-shadow:var(--shadow-lg);border-top:1px solid var(--c-border)}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:14px 16px;border-radius:8px}
  .nav-cta .btn-ghost{display:none}
  .menu-toggle{display:flex}
}
@media(max-width:1024px){
  .nav-item{width:100%}
  .nav-item.has-dropdown > a{justify-content:space-between}
  .nav-item.has-dropdown > a::after{display:block;flex-shrink:0}
  .nav-item.open > a::after{transform:rotate(180deg)}
  .dropdown{display:none;position:static;transform:none;min-width:0;border:none;border-left:3px solid var(--c-accent);box-shadow:none;background:#f7faf9;border-radius:10px;padding:6px 10px;margin:4px 0 10px 16px}
  .nav-item.open .dropdown{display:block;transform:none}
  .dropdown a{padding:10px 16px;white-space:normal;font-size:13px;color:var(--c-gray)}
  .mega-panel{width:auto;padding:0}
  .mega-grid{grid-template-columns:1fr;gap:0}
  .mega-2 .mega-grid{grid-template-columns:1fr}
  .mega-panel a.mega-item{padding:10px 12px;gap:10px}
  .mega-title{font-size:13.5px;color:var(--c-gray);font-weight:500}
  .mega-icon{display:none}
  .mega-desc{display:none}
  .mega-foot{display:none}
}
@media(max-width:480px){
  .nav-cta .btn{padding:8px 16px;font-size:13px}
}
@media(max-width:768px){
  .nav-logo img{height:28px}
}

/* ============== Hero / Banner Carousel ============== */
.hero{
  position:relative;height:100vh;min-height:640px;overflow:hidden;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
}
.hero-slide{
  position:absolute;inset:0;
  opacity:0;pointer-events:none;transition:opacity 1s ease;
  display:flex;align-items:center;
}
.hero-slide.active{opacity:1;pointer-events:auto}
.hero-slide::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,59,58,.85) 0%,rgba(6,35,34,.7) 60%,rgba(6,35,34,.5) 100%);
  z-index:2;
}
.hero-slide .slide-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.hero-slide video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1s ease;
}
.hero-slide video.ready{opacity:1}
.hero-slide video.faded{opacity:0}
.hero-slide .bg-carousel{
  position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity 1s ease;
}
.hero-slide .bg-carousel.show{opacity:1}
.hero-slide .bg-carousel-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1.2s ease;
}
.hero-slide .bg-carousel-img.active{opacity:1}
.hero-content{
  position:relative;z-index:3;color:#fff;
  max-width:var(--container);width:100%;margin:0 auto;padding:0 24px;
}
.hero-slide[data-slide="3"]::before{
  background:linear-gradient(135deg,rgba(14,59,58,.92) 0%,rgba(0,40,38,.85) 100%);
}
.hero-tag{
  display:inline-block;padding:6px 16px;
  background:rgba(110,231,183,.18);border:1px solid rgba(110,231,183,.4);
  color:var(--c-accent-soft);border-radius:999px;
  font-size:13px;letter-spacing:2px;margin-bottom:20px;
  backdrop-filter:blur(10px);
}
.hero h1{
  font-size:clamp(36px,5.5vw,68px);font-weight:800;
  line-height:1.15;letter-spacing:1px;margin-bottom:24px;
  max-width:900px;
}
.hero h1 span{color:var(--c-gold)}
.hero h1 em{
  font-style:normal;background:linear-gradient(90deg,var(--c-accent),var(--c-gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:clamp(16px,1.5vw,20px);opacity:.9;max-width:720px;
  margin-bottom:36px;line-height:1.6;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero-features{display:flex;gap:32px;flex-wrap:wrap}
.hero-features li{
  display:flex;align-items:center;gap:8px;font-size:14px;opacity:.85;
}
.hero-features li::before{
  content:'';width:8px;height:8px;background:var(--c-gold);
  border-radius:50%;flex-shrink:0;
  box-shadow:0 0 12px rgba(232,183,128,.6);
}

.hero-controls{
  position:absolute;bottom:60px;left:50%;transform:translateX(-50%);
  z-index:5;display:flex;gap:12px;align-items:center;
}
.hero-dot{
  width:36px;height:4px;background:rgba(255,255,255,.3);
  border-radius:2px;cursor:pointer;transition:var(--transition);
  position:relative;overflow:hidden;
}
.hero-dot::after{
  content:'';position:absolute;inset:0;background:#fff;
  transform:translateX(-100%);transition:transform 5s linear;
}
.hero-dot.active::after{transform:translateX(0)}
.hero-dot.active{background:rgba(255,255,255,.5)}
.hero-arrows{
  position:absolute;bottom:48px;z-index:5;
  width:100%;max-width:var(--container);margin:0 auto;left:0;right:0;
  padding:0 24px;display:flex;justify-content:space-between;
  pointer-events:none;
}
.hero-arrow{
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.1);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.2);color:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;pointer-events:auto;transition:var(--transition);
}
.hero-arrow:hover{background:rgba(255,255,255,.2);transform:scale(1.08)}

.hero-scroll{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  z-index:5;color:#fff;font-size:12px;letter-spacing:2px;opacity:.6;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  animation:bounce 2s infinite;
}
.hero-scroll::after{
  content:'';width:1px;height:30px;background:linear-gradient(180deg,transparent,#fff);
}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-8px)}}

@media(max-width:768px){
  .hero{min-height:580px;height:auto;padding:120px 0 80px}
  .hero-features{gap:16px}
  .hero-features li{font-size:13px}
  .hero-arrows{display:none}
  .hero-controls{bottom:30px}
}

/* ============== Sections ============== */
.section{padding:100px 0;position:relative}
.section-header{text-align:center;max-width:760px;margin:0 auto 60px}
.section-tag{
  display:inline-block;padding:5px 14px;
  background:#e6f7f4;color:var(--c-accent);
  border-radius:999px;font-size:12px;font-weight:600;
  letter-spacing:1px;margin-bottom:16px;
}
.section-title{
  font-size:clamp(28px,3.5vw,44px);font-weight:800;
  color:var(--c-primary);line-height:1.25;margin-bottom:16px;
  letter-spacing:.5px;
  white-space:nowrap;
}
.section-title em{
  font-style:normal;color:var(--c-accent);
  position:relative;
}
/* 英文版标题允许换行，避免 nowrap 溢出导致不居中 */
html[lang="en"] .section-title{white-space:normal;letter-spacing:0}
/* 英文版全局兜底：长单词自动断行，避免溢出容器 */
html[lang="en"] body{overflow-wrap:break-word;word-break:break-word}
.section-desc{
  font-size:16px;color:var(--c-gray);line-height:1.7;max-width:640px;margin:0 auto;
}

@media(max-width:768px){
  .section{padding:48px 0}
  .section-header{margin-bottom:40px}
  .section-title{
    white-space:nowrap;
    font-size:clamp(18px,5vw,28px);
    letter-spacing:0;
  }
}

/* ============== Data Strip ============== */
.data-strip{
  background:linear-gradient(135deg,var(--c-primary) 0%,#0a2a29 100%);
  padding:60px 0;position:relative;overflow:hidden;
}
.data-strip::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 20% 50%,rgba(0,164,117,.15) 0%,transparent 50%),
             radial-gradient(circle at 80% 50%,rgba(232,183,128,.1) 0%,transparent 50%);
}
.data-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;z-index:1;
}
.data-item{text-align:center;color:#fff;padding:20px}
.data-num{white-space:nowrap}
.data-num{
  display:inline-block;
  font-size:clamp(36px,4.5vw,56px);font-weight:800;
  background:linear-gradient(135deg,var(--c-gold) 0%,var(--c-gold-soft) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;
  font-feature-settings:"tnum";
}
.data-unit{
  display:inline-block;margin-left:4px;vertical-align:baseline;
  font-size:clamp(20px,2.5vw,26px);font-weight:700;color:var(--c-gold-soft);
  line-height:1;
}
.data-label{font-size:14px;opacity:.85;letter-spacing:1px;margin-top:12px}
@media(max-width:768px){.data-grid{grid-template-columns:repeat(2,1fr);gap:16px}}

/* ============== Cards ============== */
.card{
  background:#fff;border-radius:var(--radius);padding:32px 28px;
  border:1px solid var(--c-border);transition:var(--transition);
  position:relative;overflow:hidden;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.card-icon{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,#e6f7f4 0%,#c8efe2 100%);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;font-size:26px;color:var(--c-accent);
}
.card-title{
  font-size:18px;font-weight:700;color:var(--c-primary);
  margin-bottom:12px;
}
.card-desc{color:var(--c-gray);font-size:14px;line-height:1.7}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.card-tag{
  font-size:12px;padding:4px 10px;border-radius:6px;
  background:var(--c-light);color:var(--c-gray);
}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* ============== Business Sections ============== */
.biz-tabs{
  display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:40px;
}
.biz-tab{
  padding:10px 22px;border-radius:999px;
  background:#fff;border:1.5px solid var(--c-border);
  color:var(--c-dark);font-size:14px;font-weight:500;
  transition:var(--transition);cursor:pointer;
}
.biz-tab.active,.biz-tab:hover{
  background:var(--c-primary);color:#fff;border-color:var(--c-primary);
}
.biz-panel{display:none;animation:fadeIn .5s ease}
.biz-panel.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:600px){
  .biz-tabs{
    flex-wrap:nowrap;justify-content:flex-start;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    padding-bottom:10px;margin-bottom:24px;
    scrollbar-width:none;
  }
  .biz-tabs::-webkit-scrollbar{display:none}
  .biz-tab{flex-shrink:0;white-space:nowrap}
}

.biz-hero{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background-size:cover;
  background-position:center;
  padding:40px 36px;
  min-height:460px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  box-shadow:var(--shadow);
}
.biz-hero::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,35,34,.08) 0%,rgba(6,35,34,.86) 100%);
}
.biz-hero>*{position:relative;z-index:1}
.biz-hero .card-tag{
  background:rgba(255,255,255,.16);
  color:#fff;
  border:1px solid rgba(255,255,255,.28);
}
.biz-hero .btn{
  padding:10px 14px;
  font-size:14px;
}
@media(max-width:600px){
  .biz-hero{min-height:360px;padding:28px 22px}
}

.biz-feature{display:flex;align-items:flex-start;gap:16px;padding:14px 0;border-bottom:1px dashed var(--c-border)}
.biz-feature:last-child{border-bottom:none}
.biz-feature-num{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.biz-feature-text{flex:1}
.biz-feature-title{font-weight:600;color:var(--c-primary);margin-bottom:4px}
.biz-feature-desc{font-size:13px;color:var(--c-gray)}

/* ============== Solutions ============== */
.sol-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background-size:cover;
  background-position:center;
  padding:36px 32px;
  min-height:440px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.sol-card::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,35,34,.12) 0%,rgba(6,35,34,.88) 100%);
}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.sol-card>*{position:relative;z-index:1}
.sol-card .target{
  background:rgba(255,255,255,.16);
  color:#fff;
}
.sol-card .title{color:#fff}
.sol-card .row{color:rgba(255,255,255,.85)}
.sol-card .row strong{color:var(--c-accent-soft)}
.sol-card .row.revenue{
  color:var(--c-accent-soft);
  border-top-color:rgba(255,255,255,.25);
}
.target{
  font-size:12px;color:var(--c-accent);font-weight:600;
  letter-spacing:.5px;margin-bottom:10px;
  display:inline-block;padding:4px 10px;background:#e6f7f4;border-radius:6px;
}
.title{
  font-size:22px;font-weight:700;color:var(--c-primary);
  margin-bottom:16px;
}
.row{margin-bottom:12px;font-size:14px}
.row strong{color:var(--c-primary);display:inline-block;min-width:64px}
.row.revenue{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--c-border);
  color:var(--c-accent);font-weight:600;
}
@media(max-width:600px){
  .sol-card{min-height:380px;padding:28px 24px}
}

/* ============== Project Cases ============== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--c-border);transition:var(--transition);
  position:relative;cursor:pointer;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-thumb{
  height:200px;background:linear-gradient(135deg,var(--c-primary) 0%,#0a2a29 100%);
  position:relative;overflow:hidden;
}
.case-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-body{padding:20px}
.case-meta{
  display:flex;align-items:center;gap:8px;margin-bottom:10px;
  font-size:12px;color:var(--c-gray);
}
.case-tag{
  padding:3px 8px;background:#e6f7f4;color:var(--c-accent);
  border-radius:4px;font-weight:600;
}
.case-name{
  font-size:16px;font-weight:700;color:var(--c-primary);
  margin-bottom:8px;line-height:1.4;
}
.case-stat{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:12px;padding-top:12px;border-top:1px dashed var(--c-border);
}
.case-cap{
  font-size:18px;font-weight:800;color:var(--c-accent);
  font-feature-settings:"tnum";
}
.case-cap small{font-size:12px;color:var(--c-gray);font-weight:500;margin-left:2px}
.case-region{font-size:12px;color:var(--c-gray)}

@media(max-width:960px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){
  .case-grid{
    display:flex;
    overflow-x:auto;
    gap:14px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    padding:6px 2px 18px;
    scrollbar-width:none;
  }
  .case-grid::-webkit-scrollbar{display:none}
  .case-grid .case-card{flex:0 0 78%;scroll-snap-align:start}
}

/* ============== News Center ============== */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.news-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--c-border);transition:var(--transition);
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.news-thumb{aspect-ratio:16/10;background:var(--c-bg);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:var(--transition)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--c-gray-2);font-size:13px}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.news-title{
  font-size:15.5px;font-weight:700;color:var(--c-primary);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:46px;transition:var(--transition);
}
.news-card:hover .news-title{color:var(--c-accent)}
.news-meta{display:flex;align-items:center;gap:8px;margin-top:12px}
.news-cat{display:inline-block;padding:3px 10px;border-radius:6px;font-size:11px;font-weight:600;letter-spacing:.5px}
.news-cat.cat-news{background:#e6f7f4;color:#008f64}
.news-cat.cat-insight{background:#e0ecff;color:#1e40af}
.news-cat.cat-policy{background:#fef3c7;color:#b45309}
.news-cat.cat-qa{background:#ede9fe;color:#6d28d9}
.news-cat.cat-dynamic{background:#fff7ed;color:#ea580c}
.news-source{font-size:12px;color:var(--c-gray-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.news-views{font-size:12px;color:var(--c-gray-2);font-feature-settings:"tnum"}
.news-date{font-size:12px;color:var(--c-gray-2);font-feature-settings:"tnum";white-space:nowrap}
@media(max-width:1100px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){
  .news-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .news-body{padding:12px 12px 14px}
  .news-title{font-size:13.5px;min-height:40px}
  .news-meta{margin-top:8px;gap:6px}
  .news-cat{padding:2px 8px;font-size:10px}
  .news-source{font-size:11px}
  .news-foot{padding-top:10px}
  .news-views,.news-date{font-size:11px}
}

/* ============== Platform ============== */
.platform-hero{
  display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;
}
.platform-feature{
  display:flex;align-items:flex-start;gap:14px;padding:18px 0;
  border-bottom:1px solid var(--c-border);
}
.platform-feature:last-child{border-bottom:none}
.platform-feature-icon{
  flex-shrink:0;width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary) 0%,#0a2a29 100%);
  color:#fff;
}
.platform-feature-icon svg{width:22px;height:22px}
.platform-feature:nth-child(2) .platform-feature-icon{background:linear-gradient(135deg,var(--c-accent) 0%,#008f64 100%)}
.platform-feature:nth-child(3) .platform-feature-icon{background:linear-gradient(135deg,var(--c-gold) 0%,#b08c43 100%)}
.platform-feature:nth-child(4) .platform-feature-icon{background:linear-gradient(135deg,var(--c-blue) 0%,#0284c7 100%)}
.platform-feature-text{flex:1}
.platform-feature-title{font-weight:700;color:var(--c-primary);margin-bottom:4px;font-size:15px}
.platform-feature-desc{font-size:13.5px;color:var(--c-gray);line-height:1.6}

.platform-mockup{
  background:linear-gradient(135deg,#0a2a29 0%,#062322 100%);
  border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.08);
  position:relative;
}
.platform-screen{
  background:#0a1614;border-radius:10px;padding:20px;color:#fff;
  font-family:"SF Mono","Consolas",monospace;font-size:12px;
  min-height:380px;display:flex;flex-direction:column;gap:14px;
  border:1px solid rgba(110,231,183,.1);
}
.screen-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.06)}
.screen-dots{display:flex;gap:6px}
.screen-dots span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.2)}
.screen-dots span:first-child{background:#ff5f56}
.screen-dots span:nth-child(2){background:#ffbd2e}
.screen-dots span:nth-child(3){background:#27c93f}
.screen-title{font-size:11px;letter-spacing:2px;color:var(--c-accent-soft);opacity:.7}
.screen-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.screen-card{
  background:rgba(0,164,117,.08);border:1px solid rgba(0,164,117,.2);
  border-radius:8px;padding:10px;
}
.screen-card-label{font-size:10px;color:var(--c-accent-soft);opacity:.7;letter-spacing:1px;margin-bottom:4px}
.screen-card-value{font-size:18px;font-weight:700;color:#fff;font-feature-settings:"tnum"}
.screen-card-trend{font-size:10px;color:var(--c-accent-soft);margin-top:2px}
.screen-chart{
  flex:1;background:rgba(255,255,255,.02);border-radius:8px;
  padding:14px;position:relative;overflow:hidden;
  min-height:120px;
}
.chart-bars{display:flex;align-items:flex-end;gap:6px;height:80px;margin-top:8px}
.chart-bars span{
  flex:1;background:linear-gradient(180deg,var(--c-accent) 0%,rgba(0,164,117,.3) 100%);
  border-radius:2px 2px 0 0;animation:barGrow 1.2s ease;
}
@keyframes barGrow{from{height:0}}
.screen-legend{display:flex;justify-content:space-between;margin-top:6px;font-size:9px;color:rgba(255,255,255,.4)}

/* 平台数据统计 */
.platform-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:32px;padding-top:32px;border-top:1px solid var(--c-border);
}
.platform-stat-num{
  font-size:24px;font-weight:800;color:var(--c-accent);
  font-feature-settings:"tnum";white-space:nowrap;
}
.platform-stat-label{font-size:12px;color:var(--c-gray);white-space:nowrap}
@media(max-width:768px){
  .platform-stats{grid-template-columns:repeat(2,1fr);gap:20px}
}

/* 平台核心模块 */
.platform-modules{margin-top:64px}
.modules-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:32px;
}
.modules-tag{
  display:inline-block;font-family:"SF Mono",Consolas,monospace;
  font-size:11px;font-weight:600;letter-spacing:3px;color:var(--c-accent);
  padding:4px 10px;border:1px solid rgba(0,164,117,.35);border-radius:4px;
  margin-bottom:12px;
}
.modules-title{
  font-size:22px;font-weight:800;color:var(--c-primary);
  padding-left:14px;position:relative;
}
.modules-title::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-accent),var(--c-gold));
}
.modules-sub{font-size:13px;color:var(--c-gray);line-height:1.6;max-width:360px;text-align:right;overflow-wrap:anywhere}
.modules-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:mod;
}
.module-card{
  position:relative;overflow:hidden;counter-increment:mod;
  background:
    radial-gradient(circle,rgba(0,164,117,.07) 1px,transparent 1.6px),
    linear-gradient(160deg,#fff 0%,#f6fbf9 100%);
  background-size:16px 16px,100% 100%;
  border:1px solid var(--c-border);border-radius:var(--radius);
  padding:26px 24px 24px;transition:var(--transition);
}
/* 顶部渐变条 */
.module-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-gold));
  transform:scaleX(0);transform-origin:left;transition:var(--transition);
}
/* 右上角序号 */
.module-card::after{
  content:counter(mod,decimal-leading-zero);
  position:absolute;top:16px;right:18px;
  font-family:"SF Mono",Consolas,monospace;font-size:32px;font-weight:800;
  color:var(--c-accent);opacity:.1;line-height:1;
  font-feature-settings:"tnum";transition:var(--transition);
}
.module-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 44px rgba(14,59,58,.16);
  border-color:rgba(0,164,117,.38);
}
.module-card:hover::before{transform:scaleX(1)}
.module-card:hover::after{opacity:.3;color:var(--c-gold)}
.module-icon{
  width:52px;height:52px;border-radius:14px;margin-bottom:18px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#0a2a29 100%);
  color:var(--c-accent-soft);
  display:flex;align-items:center;justify-content:center;
  position:relative;z-index:1;overflow:hidden;
  box-shadow:0 8px 20px rgba(14,59,58,.25);
  transition:var(--transition);
}
/* 图标扫描线 */
.module-icon::before{
  content:'';position:absolute;left:0;right:0;top:0;height:60%;
  background:linear-gradient(180deg,transparent,rgba(110,231,183,.35),transparent);
  transform:translateY(-130%);
}
.module-icon svg{width:26px;height:26px}
.module-card:hover .module-icon{
  color:#fff;
  animation:iconGlow 1.8s ease-in-out infinite;
}
.module-card:hover .module-icon::before{animation:iconScan .8s ease}
@keyframes iconScan{from{transform:translateY(-130%)}to{transform:translateY(240%)}}
@keyframes iconGlow{
  0%,100%{box-shadow:0 8px 26px rgba(0,164,117,.28)}
  50%{box-shadow:0 8px 36px rgba(0,164,117,.6)}
}
.module-name{
  font-size:16.5px;font-weight:700;color:var(--c-primary);
  margin-bottom:8px;display:flex;align-items:center;gap:8px;
}
.module-name::before{
  content:'';width:5px;height:5px;border-radius:50%;
  background:var(--c-accent);flex-shrink:0;
}
.module-card:hover .module-name::before{background:var(--c-gold)}
.module-desc{font-size:13px;color:var(--c-gray);line-height:1.7}
@media(max-width:960px){
  .modules-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .modules-head{flex-direction:column;align-items:flex-start;gap:8px}
  .modules-sub{text-align:left}
  .modules-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .module-card{padding:20px 16px 18px}
}

@media(max-width:900px){.platform-hero{grid-template-columns:1fr;gap:40px}}
@media(max-width:600px){
  .platform-mockup{padding:14px}
  .platform-screen{min-height:auto;padding:14px;gap:10px}
  .screen-grid{gap:6px}
  .screen-card{padding:8px}
  .screen-card-value{font-size:15px}
  .screen-chart{min-height:90px;padding:10px}
  .chart-bars{height:50px;margin-top:6px}
}

/* ============== Timeline ============== */
.timeline{
  position:relative;
  display:grid;grid-template-columns:repeat(9,1fr);gap:14px;
  padding-top:28px;
}
.timeline::before{
  content:'';
  position:absolute;top:14px;left:5.5%;right:5.5%;
  height:2px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-gold));
  border-radius:1px;
}
.timeline-item{
  text-align:center;
  background:#fff;
  border-radius:var(--radius);
  padding:24px 10px 18px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  position:relative;
}
.timeline-item::before{
  content:'';
  position:absolute;top:-20px;left:50%;
  transform:translateX(-50%);
  width:14px;height:14px;border-radius:50%;
  background:var(--c-accent);
  border:3px solid #fff;
  box-shadow:0 0 0 2px var(--c-accent);
  z-index:2;
}
.timeline-item::after{
  content:'';
  position:absolute;top:0;right:0;
  width:16px;height:16px;
  background:linear-gradient(315deg, transparent 50%, var(--c-bg) 50%);
}
.timeline-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.timeline-item:hover .timeline-year{color:var(--c-accent)}
.timeline-item.current .timeline-year{color:var(--c-gold)}
.timeline-item.current::before{background:var(--c-gold);box-shadow:0 0 0 2px var(--c-gold)}
.timeline-year{
  font-size:26px;font-weight:800;color:var(--c-primary);
  margin-bottom:10px;font-feature-settings:"tnum";line-height:1;
}
.timeline-title{
  font-size:14px;font-weight:700;color:var(--c-primary);
  margin-bottom:6px;line-height:1.3;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:36px;
}
.timeline-desc{
  font-size:11px;color:var(--c-gray);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:30px;
}
@media(max-width:1100px){
  .timeline{grid-template-columns:repeat(3,1fr);gap:16px;padding-top:0}
  .timeline::before{display:none}
  .timeline-item::before{display:none}
  .timeline-item::after{display:none}
}
@media(max-width:600px){
  .timeline{display:block;padding:0 0 0 20px}
  .timeline::before{
    display:block;
    top:8px;bottom:8px;left:8px;right:auto;
    width:2px;height:auto;
    background:linear-gradient(180deg,var(--c-accent),var(--c-gold));
  }
  .timeline-item{
    text-align:left;
    display:flex;flex-wrap:wrap;align-items:baseline;
    column-gap:8px;row-gap:3px;
    background:rgba(255,255,255,.72);
    border:1px solid var(--c-border);
    border-radius:var(--radius);
    box-shadow:var(--shadow-sm);
    padding:12px 16px;
    margin:0 0 10px 20px;
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
  }
  .timeline-item::before{
    display:block;
    top:14px;left:-31px;
    width:12px;height:12px;
    border:3px solid var(--c-bg);
    background:var(--c-accent);
    box-shadow:0 0 0 6px rgba(0,164,117,.12),0 0 14px rgba(0,164,117,.3);
  }
  .timeline-item::after{
    display:block;
    content:'';
    top:19px;left:-24px;right:auto;
    width:24px;height:1.5px;
    background:var(--c-gold);
    opacity:.7;border-radius:1px;
  }
  .timeline-item.current::before{
    width:14px;height:14px;
    background:var(--c-gold);
    border:3px solid var(--c-bg);
    box-shadow:0 0 0 8px rgba(232,183,128,.15),0 0 18px rgba(232,183,128,.35);
  }
  .timeline-item.current .timeline-year{color:var(--c-gold)}
  .timeline-item.current .timeline-year::after{
    content:'现在';
    font-size:11px;font-weight:500;line-height:1;
    color:var(--c-gold);
    border:1px solid var(--c-gold);
    padding:2px 7px;border-radius:999px;
    margin-left:6px;vertical-align:1px;
  }
  .timeline-item:hover{transform:none;box-shadow:var(--shadow-sm)}
  .timeline-year{font-size:16px;font-weight:800;color:var(--c-primary);line-height:1;margin-bottom:0}
  .timeline-title{font-size:14px;font-weight:700;color:var(--c-primary);line-height:1.3;white-space:normal}
  .timeline-desc{font-size:11px;color:var(--c-gray);flex-basis:100%;line-height:1.4;white-space:normal}
}

/* ============== About / Team ============== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3}
.about-visual img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.about-visual:hover img{transform:scale(1.05)}
.about-visual::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,59,58,.2) 0%,transparent 50%);
}
.about-badge{
  position:absolute;bottom:24px;left:24px;right:24px;
  background:linear-gradient(135deg,rgba(0,164,117,.15),rgba(6,35,34,.58));backdrop-filter:blur(12px);
  padding:18px;border-radius:12px;z-index:2;
}
.about-badge-title{font-size:14px;font-weight:700;color:var(--c-gold-soft);margin-bottom:4px}
.about-badge-desc{font-size:12px;color:rgba(255,255,255,.75)}

.about-text h3{
  font-size:28px;color:var(--c-primary);font-weight:800;
  margin-bottom:20px;line-height:1.3;
}
.about-text p{color:var(--c-gray);margin-bottom:16px;font-size:15px;line-height:1.8}
.about-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:30px;padding-top:30px;border-top:1px solid var(--c-border);
}
.about-stat-num{
  font-size:28px;font-weight:800;color:var(--c-accent);
  margin-bottom:4px;font-feature-settings:"tnum";
}
.about-stat-label{font-size:13px;color:var(--c-gray)}

@media(max-width:900px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-text h3{font-size:24px}
}

/* ============== Founder ============== */
.founder-section{
  background:linear-gradient(135deg,#f8f9fa 0%,#fff 100%);
  padding:80px 0;
}
.founder-card{
  display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:center;
  background:#fff;border-radius:var(--radius-lg);padding:48px;
  box-shadow:var(--shadow);border:1px solid var(--c-border);
}
.founder-photo{
  aspect-ratio:3/4;border-radius:var(--radius);overflow:hidden;
  background:var(--c-light);position:relative;
}
.founder-photo img{width:100%;height:100%;object-fit:cover}
.founder-info h3{
  font-size:14px;letter-spacing:2px;color:var(--c-accent);
  font-weight:600;margin-bottom:8px;text-transform:uppercase;
}
.founder-info h4{
  font-size:32px;color:var(--c-primary);font-weight:800;
  margin-bottom:8px;
}
.founder-info .title{color:var(--c-gray);font-size:16px;margin-bottom:20px}
.founder-info blockquote{
  font-size:16px;color:var(--c-dark);line-height:1.8;
  padding:20px 24px;border-left:3px solid var(--c-gold);
  background:#faf8f3;border-radius:0 8px 8px 0;
  font-style:italic;margin-bottom:20px;
}
.founder-info .signature{font-size:14px;color:var(--c-gray)}

@media(max-width:900px){
  .founder-card{grid-template-columns:1fr;padding:32px;gap:32px;text-align:center}
  .founder-photo{max-width:280px;margin:0 auto}
}

/* ============== Credentials ============== */
.cred-section{background:var(--c-light)}
.cred-divider{
  display:flex;align-items:center;gap:16px;
  margin:60px 0 32px;color:var(--c-primary);
  font-size:18px;font-weight:700;
}
.cred-divider::before,.cred-divider::after{
  content:'';flex:1;height:1px;background:var(--c-border);
}
.cert-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-bottom:8px;
}
.cert-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);border:1px solid var(--c-border);
  transition:var(--transition);display:flex;flex-direction:column;
}
.cert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.cert-card-header{
  padding:20px 24px;color:#fff;
  display:flex;align-items:center;gap:14px;
  position:relative;overflow:hidden;
}
.cert-card-header::after{
  content:'';position:absolute;right:-30px;top:-30px;
  width:120px;height:120px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cert-card-header.iso9001{background:linear-gradient(135deg,#1e40af 0%,#1e3a8a 100%)}
.cert-card-header.iso14001{background:linear-gradient(135deg,#059669 0%,#065f46 100%)}
.cert-card-header.iso45001{background:linear-gradient(135deg,#dc2626 0%,#991b1b 100%)}
.cert-icon{
  flex-shrink:0;width:48px;height:48px;border-radius:12px;
  background:rgba(255,255,255,.15);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  position:relative;z-index:1;
}
.cert-icon svg{width:24px;height:24px}
.cert-title-block{flex:1;position:relative;z-index:1;min-width:0}
.cert-name{font-size:14px;font-weight:700;margin-bottom:4px;line-height:1.3}
.cert-std{font-size:11.5px;opacity:.85;letter-spacing:.3px;font-family:"SF Mono",Consolas,monospace}
.cert-image{
  padding:28px 28px 20px;background:linear-gradient(180deg,#fafbfc 0%,#fff 100%);
}
.cert-image-wrap{
  position:relative;cursor:zoom-in;
  border-radius:8px;overflow:hidden;
  border:1px solid var(--c-border);
  box-shadow:0 2px 8px rgba(0,0,0,.06);
  transition:var(--transition);
}
.cert-image-wrap:hover{box-shadow:0 6px 18px rgba(14,59,58,.15)}
.cert-image-wrap img{
  width:100%;height:auto;max-height:320px;object-fit:contain;
  object-position:center;
  display:block;
}
.cert-image-wrap::after{
  content:'';position:absolute;top:10px;right:10px;
  width:32px;height:32px;border-radius:50%;
  background-color:rgba(14,59,58,.85);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
  background-size:16px 16px;
  opacity:0;transition:var(--transition);
}
.cert-image-wrap:hover::after{opacity:1}
.cert-meta{padding:6px 24px 20px;font-size:13px}
.cert-meta-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 0;border-bottom:1px dashed var(--c-border);
  gap:8px;
}
.cert-meta-row:last-child{border-bottom:none}
.cert-meta-label{color:var(--c-gray);font-size:12px;flex-shrink:0}
.cert-meta-value{color:var(--c-primary);font-weight:600;font-size:12.5px;font-feature-settings:"tnum";text-align:right}
.cert-badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:2px 8px;border-radius:6px;font-size:10px;font-weight:600;
  background:#e6f7f4;color:var(--c-accent);margin-left:6px;
}
.cert-stamp{
  position:absolute;bottom:14px;right:18px;
  font-size:10px;color:var(--c-accent);
  display:flex;align-items:center;gap:4px;
  font-weight:600;
}
.cert-stamp::before{
  content:'';width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 6px var(--c-accent);
}
.cert-footer{
  padding:0 24px 20px;display:flex;gap:8px;margin-top:auto;
}
.cert-btn{
  flex:1;padding:10px;font-size:12.5px;font-weight:600;
  border-radius:8px;text-align:center;
  background:var(--c-bg);color:var(--c-primary);
  border:1px solid var(--c-border);
  transition:var(--transition);cursor:pointer;
}
.cert-btn:hover{
  background:var(--c-accent);color:#fff;border-color:var(--c-accent);
  transform:translateY(-1px);
}

@media(max-width:960px){.cert-cards{grid-template-columns:repeat(2,1fr);gap:18px}}
@media(max-width:720px){
  .cert-cards{grid-template-columns:1fr;gap:18px}
  .cert-image{padding:16px 16px 12px}
  .cert-image-wrap img{max-height:220px}
}

.cred-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:20px;
}
.cred-item{
  background:#fff;border-radius:var(--radius);padding:24px 16px;
  text-align:center;border:1px solid var(--c-border);
  transition:var(--transition);
}
.cred-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--c-accent)}
.cred-num{
  font-size:28px;font-weight:800;color:var(--c-accent);
  margin-bottom:8px;font-feature-settings:"tnum";
  line-height:1.2;
}
.cred-label{font-size:12px;color:var(--c-gray);line-height:1.5}
@media(max-width:960px){.cred-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.cred-grid{grid-template-columns:repeat(2,1fr)}}


/* ============== Lightbox ============== */
.lightbox{
  position:fixed;inset:0;z-index:200;
  background:rgba(6,35,34,.92);backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;
  padding:40px;cursor:zoom-out;
  animation:lbFade .3s ease;
}
.lightbox.show{display:flex}
.lightbox img{
  max-width:90vw;max-height:90vh;
  border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.4);
  background:#fff;
}
.lightbox-close{
  position:absolute;top:24px;right:24px;
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.1);color:#fff;
  border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:20px;
  transition:var(--transition);
}
.lightbox-close:hover{background:rgba(255,255,255,.2);transform:rotate(90deg)}
@keyframes lbFade{from{opacity:0}to{opacity:1}}

/* ============== Customer Types ============== */
.customer-card{
  text-align:center;padding:36px 28px 32px;background:#fff;
  border-radius:var(--radius);border:1px solid var(--c-border);
  transition:var(--transition);height:100%;position:relative;overflow:hidden;
}
.customer-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--c-accent);
}
.customer-card.c-green::before{background:var(--c-accent)}
.customer-card.c-blue::before{background:var(--c-blue)}
.customer-card.c-gold::before{background:var(--c-gold)}
.customer-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.customer-icon{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,#e6f7f4 0%,#c8efe2 100%);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;color:var(--c-accent);
}
.customer-card.c-green .customer-icon{background:linear-gradient(135deg,#e6f7f4 0%,#c8efe2 100%);color:var(--c-accent)}
.customer-card.c-blue .customer-icon{background:linear-gradient(135deg,#e6f1fb 0%,#cfe0f7 100%);color:var(--c-blue)}
.customer-card.c-gold .customer-icon{background:linear-gradient(135deg,#faf3e4 0%,#f0e2c0 100%);color:var(--c-gold)}
.customer-icon svg{width:28px;height:28px}
.customer-title{
  font-size:20px;font-weight:700;color:var(--c-primary);
  margin-bottom:10px;
}
.customer-desc{
  font-size:13px;color:var(--c-gray);margin-bottom:18px;line-height:1.6;
}
.customer-needs{
  text-align:left;border-radius:10px;
  padding:0;margin-bottom:20px;font-size:13px;
}
.customer-needs-title{
  display:none;
  font-size:12px;font-weight:700;color:var(--c-primary);
  margin-bottom:10px;letter-spacing:.5px;
}
.customer-needs ul{
  display:grid;grid-template-columns:repeat(2,1fr);gap:8px;
  list-style:none;margin:0;padding:0;
}
.customer-needs li{
  padding:7px 8px;border-radius:8px;
  background:#f6f8f7;color:var(--c-gray);
  line-height:1.4;text-align:center;font-size:12px;
}
.customer-card.c-green .customer-needs li{background:#f0faf6;color:#0f6e56}
.customer-card.c-blue .customer-needs li{background:#f0f6fd;color:#185fa5}
.customer-card.c-gold .customer-needs li{background:#faf6ec;color:#854f0b}
.customer-slogan{
  font-size:14px;color:var(--c-accent);font-weight:600;
  margin-bottom:16px;
}
.customer-card.c-blue .customer-slogan{color:var(--c-blue)}
.customer-card.c-gold .customer-slogan{color:var(--c-gold)}

/* ============== Contact Form ============== */
.contact-section{
  background:linear-gradient(135deg,var(--c-primary) 0%,#0a2a29 100%);
  color:#fff;position:relative;overflow:hidden;
}
.contact-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 80% 30%,rgba(0,164,117,.18) 0%,transparent 50%);
}
.contact-grid{
  display:grid;grid-template-columns:1fr 1.2fr;gap:60px;
  position:relative;z-index:1;
}
.contact-grid > *{min-width:0}
.contact-info h2{
  font-size:clamp(28px,3vw,40px);font-weight:800;
  margin-bottom:20px;line-height:1.3;color:#fff;
}
.contact-info h2 span{color:var(--c-gold)}
.contact-info p{opacity:.85;margin-bottom:32px;line-height:1.8}
.contact-list{display:flex;flex-direction:column;gap:16px;margin-bottom:32px}
.contact-item{display:flex;align-items:center;gap:14px;font-size:15px;opacity:.9}
.contact-item > div:not(.contact-icon){min-width:0;overflow-wrap:break-word;word-break:break-word}
.contact-icon{
  width:40px;height:40px;border-radius:10px;
  background:rgba(0,164,117,.2);color:var(--c-accent-soft);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.contact-form{
  background:#fff;color:var(--c-dark);
  border-radius:var(--radius-lg);padding:40px;
  box-shadow:var(--shadow-lg);
}
.contact-form h3{
  font-size:20px;font-weight:700;color:var(--c-primary);
  margin-bottom:8px;
}
.contact-form > p{color:var(--c-gray);font-size:14px;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.form-group label{font-size:13px;font-weight:600;color:var(--c-primary)}
.form-group input,.form-group select,.form-group textarea{
  padding:12px 14px;border:1.5px solid var(--c-border);
  border-radius:10px;font-size:14px;font-family:inherit;
  transition:var(--transition);background:#fff;
  width:100%;min-width:0;max-width:100%;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(0,164,117,.12);
}
.form-group textarea{resize:vertical;min-height:80px}
.form-submit{
  width:100%;padding:14px;background:var(--c-accent);color:#fff;
  border-radius:10px;font-size:15px;font-weight:600;
  transition:var(--transition);
}
.form-submit:hover{background:#008f64;transform:translateY(-1px)}
@media(max-width:900px){
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:28px}
}

/* ============== Footer ============== */
.footer{
  background:var(--c-primary-deep);color:#fff;
  padding:60px 0 0;position:relative;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;
  gap:40px;padding-bottom:40px;
}
.footer-brand .footer-logo{
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.footer-brand .footer-logo img{height:32px;width:auto}
.footer-brand p{opacity:.7;line-height:1.8;font-size:14px;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  transition:var(--transition);font-size:14px;
  position:relative;
}
.footer-social a:hover{background:var(--c-accent);transform:translateY(-2px)}
.footer-social .qr-pop{
  position:absolute;bottom:calc(100% + 14px);left:50%;
  transform:translateX(-50%) translateY(10px);
  width:140px;height:140px;padding:6px;border-radius:10px;
  background:#fff;box-shadow:0 12px 40px rgba(0,0,0,.3);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:20;max-width:none;object-fit:contain;
}
.footer-social a:hover .qr-pop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
/* 移动端：并排显示二维码，隐藏图标 */
@media(max-width:768px){
  .footer-social{gap:16px}
  .footer-social a{
    width:auto;height:auto;border-radius:0;background:none;display:block;
  }
  .footer-social a:hover{background:none;transform:none}
  .footer-social a svg{display:none}
  .footer-social .qr-pop{
    position:static;transform:none;
    opacity:1;visibility:visible;
  }
}
.footer h5{
  font-size:14px;font-weight:700;color:var(--c-gold);
  margin-bottom:18px;letter-spacing:1px;
}
.footer ul li{margin-bottom:10px}
.footer ul a{opacity:.75;font-size:14px;transition:var(--transition)}
.footer ul a:hover{opacity:1;color:var(--c-accent-soft)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0;display:flex;justify-content:space-between;
  align-items:center;font-size:13px;color:rgba(255,255,255,.6);
  flex-wrap:wrap;gap:12px;
}
.footer-bottom a{color:#fff;transition:var(--transition)}
.footer-bottom a:hover{color:var(--c-gold)}
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:600px){
  .footer-grid{gap:24px}
}

/* ============== Float CTA ============== */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:50;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:52px;height:52px;border-radius:50%;
  background:#fff;color:var(--c-primary);
  box-shadow:var(--shadow-lg);
  display:flex;align-items:center;justify-content:center;
  transition:var(--transition);cursor:pointer;
  border:1px solid var(--c-border);
  position:relative;
}
.float-btn:hover{transform:translateY(-2px);background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.float-btn svg{width:22px;height:22px}
.float-btn .label{
  position:absolute;right:64px;top:50%;transform:translateY(-50%);
  background:var(--c-dark);color:#fff;font-size:13px;padding:6px 12px;
  border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;
  transition:var(--transition);
}
.float-btn:hover .label{opacity:1}
.float-btn-top{
  opacity:0;pointer-events:none;
  transform:translateY(16px);
  background:var(--c-primary);color:#fff;border-color:var(--c-primary);
}
.float-btn-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
@media(max-width:600px){
  .float-cta{right:16px;bottom:20px}
  .float-btn{width:46px;height:46px}
  .float-btn svg{width:19px;height:19px}
}

/* ============== Utility ============== */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ============== Print ============== */
@media print{
  .nav,.float-cta,.hero-controls,.hero-arrows{display:none}
  .hero{height:auto;min-height:0}
}