:root{
  --navy:#0D1B2A;
  --navy-2:#1B2D44;
  --white:#F8F8F6;
  --gray:#E8E8E4;
  --ink:#1a1a1a;
  --ink-2:#555;
  --yellow:#FFD60A;
  --cyan:#00B4D8;
  --font-display:'Noto Serif SC',Georgia,serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1320px;margin:0 auto;padding:0 40px}

/* ===== Header ===== */
.header{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .4s;padding:12px 0;background:rgba(13,27,42,0.95);backdrop-filter:blur(12px);box-shadow:0 4px 30px rgba(0,0,0,0.2)}
.header.scrolled{background:rgba(13,27,42,0.95);backdrop-filter:blur(12px);padding:14px 0;box-shadow:0 4px 30px rgba(0,0,0,0.2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo-mark{width:42px;height:42px;background:var(--yellow);border-radius:6px;display:grid;place-items:center;font-family:var(--font-display);font-weight:900;font-size:20px;color:var(--navy)}
.logo-text{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:2px}
.logo-sub{font-size:10px;letter-spacing:3px;color:rgba(255,255,255,0.6);margin-top:-2px}
.nav{display:flex;gap:20px;align-items:center;margin-left:auto}
.nav a{color:rgba(255,255,255,0.85);font-size:14px;font-weight:500;transition:color .2s;position:relative}
.nav a:hover{color:var(--yellow)}
.nav a::after{content:"";position:absolute;bottom:-6px;left:0;width:0;height:2px;background:var(--yellow);transition:width .3s}
.nav a:hover::after{width:100%}
.btn-quote{background:var(--yellow);color:var(--navy);padding:10px 24px;border-radius:4px;font-weight:700;font-size:14px;transition:all .25s;border:none;cursor:pointer}
.btn-quote:hover{background:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,214,10,0.4)}
.menu-toggle{display:none;background:none;border:none;color:#fff;cursor:pointer}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--navy)}
#hero{height:100vh;min-height:640px}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,27,42,0.3) 0%,rgba(13,27,42,0.1) 40%,rgba(13,27,42,0.85) 100%)}
.hero-content{position:absolute;bottom:0;left:0;right:0;z-index:5;padding:0 0 80px}
.hero-tag{display:inline-flex;align-items:center;gap:10px;color:var(--yellow);font-size:13px;font-weight:600;letter-spacing:2px;margin-bottom:20px;text-transform:uppercase}
.hero-tag::before{content:"";width:40px;height:2px;background:var(--yellow)}
.hero h1{font-family:var(--font-display);font-size:clamp(2.8rem,6vw,5rem);font-weight:900;color:#fff;line-height:1.15;margin-bottom:24px;letter-spacing:-1px}
.hero h1 .accent{color:var(--yellow)}
.hero-desc{font-size:1.15rem;color:rgba(255,255,255,0.8);max-width:560px;margin-bottom:36px;font-weight:400;line-height:1.9}
.hero-actions{display:flex;gap:16px;align-items:center}
.btn-primary{background:var(--yellow);color:var(--navy);padding:16px 36px;border-radius:4px;font-weight:700;font-size:15px;transition:all .25s;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{background:#fff;transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,214,10,0.4)}
.btn-ghost{color:#fff;padding:16px 32px;border-radius:4px;font-weight:600;font-size:15px;transition:all .25s;border:1.5px solid rgba(255,255,255,0.4);cursor:pointer;background:transparent;display:inline-flex;align-items:center;gap:8px}
.btn-ghost:hover{border-color:var(--yellow);color:var(--yellow)}
.hero-dots{position:absolute;bottom:40px;right:60px;z-index:6;display:flex;gap:12px}
.hero-dots .dot{width:36px;height:3px;background:rgba(255,255,255,0.3);border:none;cursor:pointer;transition:all .3s;padding:0}
.hero-dots .dot.active{background:var(--yellow);width:56px}
.hero-scroll{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);z-index:6;color:rgba(255,255,255,0.5);font-size:11px;letter-spacing:3px;writing-mode:vertical-rl;display:flex;align-items:center;gap:10px}
.hero-scroll::after{content:"";width:1px;height:40px;background:rgba(255,255,255,0.3);animation:scrollLine 2s infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ===== Stats Bar ===== */
.stats{background:var(--navy);padding:60px 0;border-top:1px solid rgba(255,255,255,0.08)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{text-align:center;padding:20px;border-right:1px solid rgba(255,255,255,0.08)}
.stat-item:last-child{border-right:none}
.stat-num{font-family:var(--font-display);font-size:3.2rem;font-weight:900;color:var(--yellow);line-height:1;margin-bottom:8px}
.stat-num .unit{font-size:1.2rem;color:rgba(255,255,255,0.6);margin-left:4px}
.stat-label{font-size:13px;color:rgba(255,255,255,0.6);letter-spacing:1px}

/* ===== Section Common ===== */
.section{padding:120px 0;position:relative}
.section-label{display:inline-flex;align-items:center;gap:20px;font-size:18px;font-weight:700;letter-spacing:3px;color:var(--ink-2);text-transform:uppercase;margin-bottom:28px}
.section-label .num{font-family:var(--font-display);font-size:60px;font-weight:900;color:var(--yellow);-webkit-text-stroke:1px var(--navy);text-shadow:none;line-height:1}
.section-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:900;line-height:1.25;margin-bottom:20px;color:var(--navy)}
.section-desc{font-size:1.05rem;color:var(--ink-2);max-width:600px;line-height:1.9}

/* ===== About ===== */
.about-section{background:var(--bg);padding:100px 0}
.about-header{margin-bottom:40px}
.about-eyebrow{
  font-size:0.85rem;color:var(--yellow);font-weight:600;letter-spacing:2px;
  margin-bottom:16px;display:flex;align-items:center;gap:12px;
}
.about-eyebrow::before{content:"";width:40px;height:2px;background:var(--yellow)}
.about-title{
  font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:900;
  color:var(--navy);line-height:1.15;margin-bottom:24px;max-width:800px;
}
.about-desc{
  font-size:1.05rem;color:var(--ink-2);line-height:1.9;max-width:700px;
}
.about-img-wrap{position:relative;margin-bottom:40px}
.about-img-main{
  width:100%;height:520px;border-radius:12px;overflow:hidden;
}
.about-img-main img{
  width:100%;height:100%;object-fit:cover;object-position:center 60%;
}
.about-badge{
  position:absolute;bottom:20px;right:20px;
  background:var(--navy);color:var(--yellow);
  padding:16px 24px;border-radius:8px;text-align:center;
}
.about-badge-num{
  font-family:var(--font-display);font-size:2rem;font-weight:900;line-height:1;
}
.about-badge-label{font-size:0.8rem;color:rgba(255,255,255,0.8);margin-top:4px}
.about-features-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.about-feature{
  padding:28px 24px;background:var(--white);border-radius:10px;
  border:1px solid rgba(0,0,0,0.06);transition:all 0.3s ease;
}
.about-feature:hover{
  transform:translateY(-4px);
}
.about-feature-icon{
  width:48px;height:48px;border-radius:8px;
  background:rgba(255,214,10,0.15);display:flex;align-items:center;justify-content:center;
  color:var(--yellow);margin-bottom:16px;
}
.about-feature-icon svg{width:24px;height:24px}
.about-feature h4{
  font-family:var(--font-display);font-size:1.15rem;font-weight:700;
  color:var(--navy);margin-bottom:10px;
}
.about-feature p{
  font-size:0.9rem;color:var(--ink-2);line-height:1.7;
}

/* ===== Products (Magazine Layout) ===== */
.products{background:var(--navy);color:#fff}
.products .section-label{color:rgba(255,255,255,0.5)}
.products .section-label .num{-webkit-text-stroke:1px var(--yellow);color:transparent}
.products .section-title{color:#fff}
.products .section-desc{color:rgba(255,255,255,0.6)}
.products-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-top:60px}
.product-card{position:relative;border-radius:8px;overflow:hidden;cursor:pointer;transition:transform .4s}
.product-card:hover{transform:translateY(-6px)}
.product-card.large{grid-column:span 6;height:420px}
.product-card.small{grid-column:span 6;height:420px}
.product-card.wide{grid-column:span 12;height:560px}
.product-card img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .6s}
.product-card:hover img{transform:scale(1.05)}
.product-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 55%,rgba(0,0,0,0.35) 100%);pointer-events:none}
.product-info{position:absolute;bottom:0;left:0;right:0;z-index:2;padding:32px}
.product-tag{display:inline-block;background:var(--yellow);color:var(--navy);padding:4px 12px;border-radius:3px;font-size:11px;font-weight:700;letter-spacing:1px;margin-bottom:12px}
.product-info h3{font-family:var(--font-display);font-size:1.6rem;font-weight:700;color:#fff;margin-bottom:8px}
.product-info p{font-size:0.9rem;color:rgba(255,255,255,0.7);max-width:400px;line-height:1.7}
.product-meta{display:flex;gap:24px;margin-top:16px}
.product-meta-item{font-size:12px;color:rgba(255,255,255,0.5)}
.product-meta-item strong{display:block;color:var(--yellow);font-size:1.1rem;font-family:var(--font-display);margin-bottom:2px}

.nav a{position:relative;display:inline-flex;align-items:center;gap:4px}
.nav a.nav-active{color:var(--yellow)}
.nav a.nav-dropdown svg{opacity:0.7;transition:transform 0.3s}
.nav a.nav-dropdown:hover svg{transform:rotate(180deg)}


.cta-form-wrap{flex:1}
.cta-form{display:flex;flex-direction:column;gap:12px}
.form-row{display:flex;gap:12px}
.form-row input{flex:1}
.cta-form input,.cta-form select,.cta-form textarea{
  background:#fff;border:1px solid rgba(13,27,42,0.12);border-radius:6px;
  padding:12px 16px;color:var(--navy);font-size:14px;font-family:var(--font-body);
}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(13,27,42,0.4)}
.cta-form select{color:rgba(13,27,42,0.6)}
.cta-form select option{background:#fff;color:var(--navy)}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{outline:none;border-color:var(--yellow)}
@media(max-width:768px){.form-row{flex-direction:column}}


.nav-dropdown{position:relative;display:inline-flex;align-items:center}
.nav-dropdown:hover .dropdown-menu{display:block !important}
.dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:#0D1B2A;min-width:170px;box-shadow:0 4px 12px rgba(0,0,0,0.3);
  display:none;z-index:1000;border-radius:6px;overflow:hidden;margin-top:10px;
}
.dropdown-menu a{
  display:block;padding:12px 16px;color:rgba(255,255,255,0.85);
  text-decoration:none;white-space:nowrap;
}
.dropdown-menu a::after{display:none}
.dropdown-menu a:hover{background:rgba(255,255,255,0.1) !important;color:#FFD60A !important}


.product-models{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.model-tag{
  background:rgba(255,214,10,0.15);color:var(--yellow);
  padding:4px 12px;border-radius:4px;font-size:12px;font-weight:600;
  border:1px solid rgba(255,214,10,0.3);
}


.product-detail{padding:120px 0;background:var(--navy);color:#fff}
.product-detail.light{background:var(--white);color:var(--ink)}
.product-detail-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:center}
.product-detail-img{border-radius:12px;overflow:hidden;height:500px}
.product-detail-img img{width:100%;height:100%;object-fit:cover}
.detail-title{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:900;margin:20px 0 16px;line-height:1.3}
.detail-desc{font-size:1.05rem;line-height:1.9;opacity:0.8;margin-bottom:40px}
.model-list{display:flex;flex-direction:column;gap:24px}
.model-item{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:10px;padding:24px;transition:all .3s}
.product-detail.light .model-item{background:#fff;border:1px solid rgba(13,27,42,0.08);}
.model-item:hover{border-color:var(--yellow)}
.model-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.model-name{font-size:1.2rem;font-weight:700;color:var(--navy)}
.model-badge{background:#f5f5f5;color:#666;padding:4px 12px;border-radius:4px;font-size:12px;font-weight:600;border:1px solid #e0e0e0}
.model-desc{font-size:0.95rem;line-height:1.8;opacity:0.8;margin-bottom:12px}
.model-scenes{font-size:0.85rem;opacity:0.6;padding-top:12px;border-top:1px solid rgba(255,255,255,0.08)}
.product-detail.light .model-scenes{border-top:1px solid rgba(13,27,42,0.06)}
@media(max-width:900px){
  .product-detail-grid{grid-template-columns:1fr;gap:40px}
  .product-detail-img{height:300px}
}


/* ===== 产品详情页样式 ===== */
.breadcrumb{padding:120px 0 40px;background:var(--navy);color:rgba(255,255,255,0.6)}
.breadcrumb a{color:var(--yellow)}
.breadcrumb span{margin:0 8px}

.product-hero{padding:80px 0;background:var(--navy);color:#fff}
.product-hero-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:center}
.product-hero-img{border-radius:12px;overflow:hidden;height:480px}
.product-hero-img img{width:100%;height:100%;object-fit:cover}
.product-hero-info .product-tag{color:var(--yellow);font-size:14px;letter-spacing:2px;font-weight:600;margin-bottom:16px;display:inline-block}
.product-hero-info h1{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:900;line-height:1.25;margin-bottom:20px}
.product-hero-info p{font-size:1.1rem;line-height:1.9;opacity:0.8;margin-bottom:32px}
.btn-back{display:inline-flex;align-items:center;gap:8px;color:var(--yellow);font-size:14px;font-weight:600}

.models-section{padding:100px 0;background:var(--white)}
.models-title{font-family:var(--font-display);font-size:2rem;font-weight:900;color:var(--navy);margin-bottom:40px}
.model-list{display:flex;flex-direction:column;gap:30px}
.model-item{background:#fff;border:1px solid rgba(13,27,42,0.08);border-radius:12px;padding:36px;}
.model-header{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid #eee}
.model-name{font-size:1.4rem;font-weight:700;color:var(--navy)}
.model-badge{background:#f5f5f5;color:#666;padding:6px 14px;border-radius:4px;font-size:13px;font-weight:600;border:1px solid #e0e0e0}
.model-section{margin-bottom:20px}
.model-section:last-child{margin-bottom:0}
.model-section h4{font-size:15px;font-weight:700;color:var(--navy);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.model-section h4::before{content:"";width:4px;height:16px;background:var(--yellow);border-radius:2px}
.model-section p{font-size:0.95rem;line-height:1.9;color:var(--ink-2);padding-left:12px}

/* ===== 询价表单样式 ===== */
.hero{padding:140px 0 80px;background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(255,214,10,0.1) 0%,transparent 70%);border-radius:50%}
.hero-label{color:var(--yellow);font-size:14px;letter-spacing:2px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:12px}
.hero-label::before{content:"";width:40px;height:2px;background:var(--yellow)}
.hero h1{font-family:var(--font-display);font-size:clamp(2.5rem,5vw,4rem);font-weight:900;line-height:1.15;margin-bottom:20px}
.hero p{font-size:1.15rem;opacity:0.7;max-width:600px}

.form-section{padding:80px 0;background:var(--white)}
.form-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start}
.form-card{background:#fff;border-radius:16px;padding:48px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:14px;font-weight:600;color:var(--navy)}
.form-group label .required{color:#E8580C}
.form-group input,.form-group select,.form-group textarea{
  padding:14px 16px;border:1px solid rgba(13,27,42,0.12);border-radius:8px;
  font-size:15px;font-family:var(--font-body);color:var(--navy);background:#fff;
  transition:border-color .2s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--yellow);box-shadow:0 0 0 3px rgba(255,214,10,0.15)
}
.form-group input::placeholder,.form-group textarea::placeholder{color:rgba(13,27,42,0.35)}
.form-group textarea{resize:vertical;min-height:120px}
.form-checkbox{display:flex;align-items:flex-start;gap:10px;margin:24px 0}
.form-checkbox input{margin-top:4px;cursor:pointer}
.form-checkbox label{font-size:14px;color:var(--ink-2);cursor:pointer}
.submit-btn{width:100%;padding:18px;background:#E8580C;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;transition:all .3s;font-family:var(--font-body)}
.submit-btn:hover{background:#d04e0a;transform:translateY(-2px);box-shadow:0 8px 25px rgba(232,88,12,0.3)}

.sidebar{display:flex;flex-direction:column;gap:20px}
.info-card{background:#fff;border-radius:12px;padding:28px;}
.info-card h3{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:16px;display:flex;align-items:center;gap:10px}
.info-card .highlight{color:#E8580C;font-weight:700;font-size:15px}
.info-card .phone{font-size:15px;color:#E8580C;font-weight:600}
.info-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.info-card .sub{font-size:13px;color:rgba(13,27,42,0.5);margin-top:4px}

/* 响应式 */
@media(max-width:900px){
  .product-hero-grid{grid-template-columns:1fr;gap:40px}
  .product-hero-img{height:300px}
  .form-grid{grid-template-columns:1fr;gap:30px}
  .form-row{grid-template-columns:1fr;gap:16px}
  .form-card{padding:28px}
}


/* ===== 产品大全页面样式 ===== */
.products-all-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:140px 0 80px;max-width:1400px;margin:0 auto}
.sidebar-cats{background:#fff;border-radius:12px;padding:24px;height:fit-content;position:sticky;top:100px}
.sidebar-cats-title{background:var(--navy);color:#fff;padding:14px 16px;border-radius:8px;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.sidebar-cats-title svg{width:18px;height:18px;opacity:0.7}
.cat-list{display:flex;flex-direction:column;gap:4px}
.cat-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:6px;cursor:pointer;transition:all .2s;font-size:14px;color:var(--ink-2)}
.cat-item:hover{background:rgba(255,214,10,0.1);color:var(--navy)}
.cat-item.active{background:rgba(255,214,10,0.15);color:var(--navy);font-weight:600}
.cat-item input[type="checkbox"]{width:16px;height:16px;accent-color:var(--yellow);cursor:pointer}

.products-main{flex:1}
.products-header{background:#fff;border-radius:12px;padding:24px 32px;margin-bottom:24px;display:flex;align-items:center;justify-content:space-between}
.products-header-left h1{font-size:1.5rem;font-weight:900;color:var(--navy);margin-bottom:4px}
.products-header-left p{font-size:14px;color:var(--ink-2)}
.products-header-left p span{color:var(--yellow);font-weight:700;font-size:16px}
.btn-inquiry{background:#E8580C;color:#fff;padding:14px 28px;border-radius:8px;font-weight:700;font-size:14px;border:none;cursor:pointer;white-space:nowrap}

.products-tabs{display:flex;gap:24px;margin-bottom:24px;border-bottom:2px solid #eee}
.product-tab{padding:12px 0;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}
.product-tab.active{color:var(--navy);border-bottom-color:var(--yellow)}
.product-tab:hover{color:var(--navy)}

.products-all-layout .products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.products-all-layout .product-card{background:#fff;border-radius:12px;overflow:hidden;transition:all .3s;cursor:pointer}
.products-all-layout .product-card:hover{transform:translateY(-4px)}
.product-card-img{height:180px;overflow:hidden;background:#fff}
.product-card-img img{width:100%;height:100%;object-fit:cover;filter:brightness(1.06)}
.product-card-info{padding:20px}
.product-card-name{font-size:18px;font-weight:900;color:var(--navy);margin-bottom:4px}
.product-card-type{font-size:13px;color:var(--ink-2);margin-bottom:16px}
.product-card-specs{border-top:1px solid #f0f0f0;padding-top:12px}
.spec-row{display:flex;justify-content:space-between;font-size:13px;padding:6px 0;color:var(--ink-2)}
.spec-row .val{font-weight:600;color:var(--navy);text-align:right}

@media(max-width:1200px){.products-all-layout .products-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){
  .products-all-layout{grid-template-columns:1fr}
  .sidebar-cats{position:static}
  .products-all-layout .products-grid{grid-template-columns:repeat(2,1fr)}
}


/* ===== 导航下拉菜单（统一修复版） ===== */
.nav{display:flex;align-items:center;gap:24px;margin-left:auto;list-style:none;margin:0;padding:0}
.nav a{white-space:nowrap;display:inline-block}
.nav-dropdown{position:relative;display:inline-flex;align-items:center}
.nav-dropdown::after{content:'';position:absolute;left:0;right:0;bottom:-10px;height:10px}
.nav-dropdown a{display:inline-flex;align-items:center;gap:4px}
.nav-dropdown:hover .dropdown-menu{display:block !important}
.dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:#0D1B2A;min-width:170px;box-shadow:0 4px 12px rgba(0,0,0,0.3);
  display:none;z-index:1000;border-radius:6px;overflow:hidden;margin-top:10px;
}
.dropdown-menu a{
  display:block;padding:12px 16px;color:rgba(255,255,255,0.85);
  text-decoration:none;white-space:nowrap;
}
.dropdown-menu a::after{display:none}
.dropdown-menu a:hover{background:rgba(255,255,255,0.1) !important;color:#FFD60A !important}


/* ===== 徐工风格产品详情页 ===== */
.product-detail-layout{padding:100px 0 60px;max-width:1400px;margin:0 auto}
.product-hero-row{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:start;margin-bottom:60px}
.product-main-img{border-radius:12px;overflow:hidden;}
.product-main-img img{width:100%;height:auto;display:block}
.product-info h1{font-size:3rem;font-weight:900;color:var(--navy);margin-bottom:8px;line-height:1.1}
.product-info .subtitle{font-size:1.2rem;color:var(--ink-2);margin-bottom:32px}
.product-info h3{font-size:1.1rem;font-weight:700;color:var(--navy);margin:24px 0 12px}
.product-info p{font-size:0.95rem;line-height:1.9;color:var(--ink-2);margin-bottom:16px}
.scene-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.scene-tag{background:#f5f5f5;color:var(--ink-2);padding:8px 16px;border-radius:6px;font-size:13px;font-weight:500}
.service-row{display:flex;align-items:center;gap:24px;margin:28px 0;padding:20px 0;border-top:1px solid #eee;border-bottom:1px solid #eee}
.service-item{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--navy);font-size:15px}
.action-buttons{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.btn-action{padding:14px;border-radius:8px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:all .2s;text-align:center !important;display:flex !important;align-items:center !important;justify-content:center !important}
.btn-primary{background:var(--yellow);color:var(--navy)}
.btn-outline{background:#fff;color:var(--navy);border:1px solid #ddd}
.btn-action:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(0,0,0,0.1)}
.key-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;padding-top:32px;border-top:1px solid #eee}
.spec-item{text-align:left}
.spec-item .label{font-size:13px;color:var(--ink-2);margin-bottom:4px}
.spec-item .value{font-size:1.8rem;font-weight:900;color:var(--navy)}

/* 标签导航栏 */
.product-tabs-bar{background:var(--navy);color:#fff;padding:20px 40px;display:flex;align-items:center;justify-content:space-between;border-radius:12px 12px 0 0;margin-top:40px}
.product-tabs-bar .title{font-size:1.5rem;font-weight:900}
.product-tabs{display:flex;gap:32px}
.product-tab{padding:8px 0;font-size:15px;font-weight:500;color:rgba(255,255,255,0.7);cursor:pointer;border-bottom:2px solid transparent;transition:all .2s}
.product-tab.active{color:#fff;border-bottom-color:var(--yellow)}
.product-tab:hover{color:#fff}

/* 内容区 */
.product-content-area{display:grid;grid-template-columns:240px 1fr;gap:40px;padding:40px;border:1px solid #eee;border-top:none;border-radius:0 0 12px 12px}
.sidebar-recommend h4{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--yellow)}
.recommend-list{display:flex;flex-direction:column;gap:12px}
.recommend-item{padding:12px;background:#f9f9f9;border-radius:8px;font-size:14px;color:var(--ink-2);cursor:pointer;transition:all .2s}
.recommend-item:hover{background:#f0f0f0;color:var(--navy)}
.content-section{display:none}
.content-section.active{display:block}
.content-section h2{font-size:1.8rem;font-weight:900;color:var(--navy);margin-bottom:24px;padding-bottom:12px;border-bottom:3px solid var(--navy)}
.content-section ol{padding-left:20px}
.content-section ol li{font-size:0.95rem;line-height:1.9;color:var(--ink-2);margin-bottom:12px}
.spec-table{width:100%;border-collapse:collapse;margin-top:20px}
.spec-table th{background:#f5f5f5;padding:14px 16px;text-align:left;font-weight:700;color:var(--navy);border:1px solid #eee}
.spec-table td{padding:14px 16px;border:1px solid #eee;font-size:14px;color:var(--ink-2)}

@media(max-width:1200px){.product-hero-row{grid-template-columns:1fr;gap:40px}}
@media(max-width:900px){
  .product-content-area{grid-template-columns:1fr}
  .action-buttons{grid-template-columns:1fr}
  .key-specs{grid-template-columns:1fr;gap:16px}
}


/* 修复产品详情页布局 */
.product-detail-layout{padding:120px 40px 60px !important;max-width:1400px;margin:0 auto !important;position:relative !important}
.product-hero-row{display:grid !important;grid-template-columns:1.2fr 1fr !important;gap:60px !important;align-items:start !important;margin-bottom:60px !important;position:relative !important}
.product-main-img{position:relative !important;z-index:1 !important}
.product-info{position:relative !important;z-index:2 !important}
.key-specs{position:relative !important;z-index:2 !important}
.product-tabs-bar{position:relative !important;z-index:1 !important}
.product-content-area{display:grid !important;grid-template-columns:240px 1fr !important;gap:40px !important;position:relative !important;z-index:1 !important}
.sidebar-recommend{position:relative !important;z-index:1 !important}
.content-section{position:relative !important;z-index:1 !important}


/* 强制参数配置表格占满宽度 */
.specs-full-width{width:100% !important;max-width:100% !important;margin:40px 0 !important}
.specs-full-width .spec-table{width:100% !important;max-width:100% !important;table-layout:fixed !important}
.specs-full-width .spec-table th,
.specs-full-width .spec-table td{word-wrap:break-word !important}


/* 参数配置和产品介绍宽度一致 */
.specs-full-width{
  width:100% !important;
  max-width:calc(100% - 280px) !important; /* 减去左侧同类推荐的宽度 */
  margin:40px 0 0 280px !important;
}


/* ===== 产品详情页整体布局 ===== */
.product-detail-wrapper{padding:120px 40px 80px;max-width:1280px;margin:0 auto}

/* 顶部hero */
.detail-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;margin-bottom:60px;align-items:start}
.detail-hero-img{border-radius:12px;overflow:hidden;}
.detail-hero-img img{width:100%;display:block}
.detail-hero-info h1{font-size:3rem;font-weight:900;color:var(--navy);line-height:1.1;margin-bottom:8px}
.detail-subtitle{font-size:1.1rem;color:var(--ink-2);margin-bottom:32px}
.detail-section{margin-bottom:24px}
.detail-section h3{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:12px}
.detail-section p{font-size:0.95rem;line-height:1.9;color:var(--ink-2)}
.detail-tags{display:flex;flex-wrap:wrap;gap:10px}
.detail-tag{background:#f5f5f5;color:var(--ink-2);padding:8px 16px;border-radius:6px;font-size:13px}
.detail-btn-primary{width:100%;padding:16px;background:var(--yellow);color:var(--navy);border:none;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;margin:24px 0}
.detail-specs-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-top:24px;border-top:1px solid #eee}
.detail-spec-label{font-size:13px;color:var(--ink-2);margin-bottom:4px}
.detail-spec-value{font-size:1.5rem;font-weight:900;color:var(--navy)}

/* 内容区 */
.detail-content{display:grid;grid-template-columns:220px 1fr;gap:40px;border-top:1px solid #eee;padding-top:40px}
.detail-sidebar h4{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--yellow)}
.detail-recommend-list{display:flex;flex-direction:column;gap:10px}
.detail-recommend-item{padding:12px;background:#f9f9f9;border-radius:8px;font-size:14px;color:var(--ink-2);cursor:pointer;transition:all .2s}
.detail-recommend-item:hover{background:#f0f0f0;color:var(--navy)}
.detail-main{display:flex;flex-direction:column;gap:48px}
.detail-main-section h2{font-size:1.6rem;font-weight:900;color:var(--navy);margin-bottom:20px;padding-bottom:12px;border-bottom:3px solid var(--navy)}
.detail-main-section ol{padding-left:20px}
.detail-main-section ol li{font-size:0.95rem;line-height:1.9;color:var(--ink-2);margin-bottom:12px}
.detail-spec-table{width:100%;border-collapse:collapse}
.detail-spec-table th{background:#f5f5f5;padding:14px 16px;text-align:left;font-weight:700;color:var(--navy);border:1px solid #eee}
.detail-spec-table td{padding:14px 16px;border:1px solid #eee;font-size:14px;color:var(--ink-2)}

/* 响应式 */
@media(max-width:1200px){.detail-hero{grid-template-columns:1fr;gap:40px}.detail-content{grid-template-columns:1fr}}
@media(max-width:768px){.product-detail-wrapper{padding:100px 20px 60px}.detail-specs-row{grid-template-columns:1fr}}


/* 确保产品介绍和参数配置在同一列，宽度对齐 */
.detail-main{width:100% !important}
.detail-main-section{width:100% !important}
.detail-main-section h2,
.detail-main-section ol,
.detail-main-section table{
  width:100% !important;
  max-width:100% !important;
  margin-left:0 !important;
  margin-right:0 !important;
}


.filter-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;
  border-radius:8px;cursor:pointer;transition:all .2s;
  font-size:14px;color:var(--ink-2);
}
.filter-item:hover{background:#f5f5f5}
.filter-item.active{
  background:#FFF3CD;color:var(--navy);font-weight:600;
}


.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav-dropdown:hover .dropdown-menu {
  display: block !important;
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #0D1B2A;
  min-width: 160px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  display: none;
  z-index: 1000;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 10px;
}
.dropdown-menu a {
  display: block;
  padding: 12px 16px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  white-space: nowrap;
}
.dropdown-menu a:hover {
  background: rgba(255,255,255,0.1) !important;
  color: #FFD60A !important;
}

.nav a {
  white-space: nowrap;
}
.nav-dropdown {
  margin: 0;
  padding: 0;
}

.lang-switch{display:inline-flex;align-items:center;margin:0 12px;background:rgba(255,255,255,0.10);border-radius:20px;padding:3px;}
.lang-switch .lang-opt{font-size:12px;color:rgba(255,255,255,0.65);padding:3px 10px;text-decoration:none;cursor:pointer;border-radius:16px;transition:all .2s;line-height:1.4;}
.lang-switch .lang-opt.active{background:#FFD60A;color:#0d1b2a;font-weight:700;}
.lang-switch .lang-opt:not(.active):hover{color:#fff;}



/* ===== Tech ===== */
.tech{background:var(--white)}
.tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:50px}
.tech-item{
  position:relative;padding:36px 32px;background:#fff;border-radius:12px;
  border:1px solid var(--gray);transition:all .4s cubic-bezier(.4,0,.2,1);
  overflow:hidden;
}
.tech-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--yellow),#FFA500);
  transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.tech-item:hover{
  transform:translateY(-6px);
  border-color:transparent;
}
.tech-item:hover::before{transform:scaleX(1)}
.tech-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}
.tech-icon{
  width:56px;height:56px;border-radius:10px;background:var(--navy);
  display:grid;place-items:center;color:var(--yellow);flex-shrink:0;
}
.tech-icon svg{width:28px;height:28px}
.tech-data{text-align:right}
.tech-data-value{
  font-family:var(--font-display);font-size:2rem;font-weight:900;
  color:var(--navy);line-height:1;
}
.tech-data-value .unit{font-size:0.9rem;color:var(--ink-2);font-weight:500;margin-left:2px}
.tech-data-label{font-size:0.75rem;color:var(--ink-2);margin-top:4px;letter-spacing:0.5px}
.tech-item h3{font-family:var(--font-display);font-size:1.25rem;font-weight:700;margin-bottom:10px;color:var(--navy)}
.tech-item p{font-size:0.92rem;color:var(--ink-2);line-height:1.75;margin-bottom:18px}
.tech-tags{display:flex;gap:8px;flex-wrap:wrap}
.tech-tag{
  font-size:0.72rem;font-weight:600;padding:4px 10px;border-radius:4px;
  background:rgba(255,214,10,0.15);color:#9A7B00;letter-spacing:0.5px;
}
.tech-certs{
  display:flex;gap:48px;margin-top:56px;flex-wrap:wrap;justify-content:center;
  padding:36px 40px;background:var(--navy);border-radius:12px;
}
.cert-item{text-align:center;position:relative}
.cert-item:not(:last-child)::after{
  content:"";position:absolute;right:-24px;top:50%;transform:translateY(-50%);
  width:1px;height:30px;background:rgba(255,255,255,0.15);
}
.cert-item strong{display:block;font-family:var(--font-display);font-size:1.4rem;font-weight:900;color:var(--yellow)}
.cert-item span{font-size:0.78rem;color:rgba(255,255,255,0.6);letter-spacing:1px;margin-top:4px;display:block}

/* ===== History ===== */
.history{background:var(--bg);color:var(--navy)}
.history .section-label{color:var(--ink-2)}
.history .section-label .num{color:var(--yellow);-webkit-text-stroke:0px}
.history .section-title{color:var(--navy)}
.timeline{margin-top:70px;position:relative}
.timeline-line{
  position:absolute;top:72px;left:5%;right:5%;height:3px;
  background:linear-gradient(90deg,transparent,rgba(255,214,10,0.4) 10%,rgba(255,214,10,0.6) 50%,rgba(255,214,10,0.4) 90%,transparent);
  z-index:0;
}
.timeline-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;z-index:1}
.timeline-item{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  position:relative;transition:transform .4s;
}
.timeline-item:hover{transform:translateY(-8px)}
.timeline-dot{
  width:18px;height:18px;border-radius:50%;background:var(--yellow);
  border:4px solid var(--bg);box-shadow:0 0 0 3px rgba(255,214,10,0.3);
  margin-bottom:24px;position:relative;z-index:2;flex-shrink:0;
  transition:all .4s;
}
.timeline-item:hover .timeline-dot{
  transform:scale(1.3);
  box-shadow:0 0 0 6px rgba(255,214,10,0.2);
}
.timeline-year{
  font-family:var(--font-display);font-size:2.4rem;font-weight:900;
  color:var(--yellow);line-height:1;margin-bottom:16px;letter-spacing:-1px;
}
.timeline-img{
  width:100%;height:140px;border-radius:8px;overflow:hidden;
  margin-bottom:16px;
}
.timeline-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.timeline-item:hover .timeline-img img{transform:scale(1.08)}
.timeline-content h4{
  font-family:var(--font-display);font-size:1.1rem;font-weight:700;
  margin-bottom:8px;color:var(--navy);
}
.timeline-content p{
  font-size:0.82rem;color:var(--ink-2);line-height:1.7;
  padding:0 4px;
}

/* ===== Cases ===== */
.cases{background:var(--white)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:60px}
.case-card{position:relative;border-radius:8px;overflow:hidden;height:260px;cursor:pointer}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.case-card:hover img{transform:scale(1.08)}
.case-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(13,27,42,0.92) 100%);padding:32px;display:flex;flex-direction:column;justify-content:flex-end}
.case-tag{display:inline-block;background:var(--yellow);color:var(--navy);padding:4px 12px;border-radius:3px;font-size:11px;font-weight:700;letter-spacing:1px;margin-bottom:12px;align-self:flex-start}
.case-overlay h4{font-family:var(--font-display);font-size:1.4rem;font-weight:700;color:#fff;margin-bottom:8px}
.case-overlay p{font-size:0.9rem;color:rgba(255,255,255,0.7);line-height:1.7}

/* ===== CTA ===== */
.cta{background:var(--white);padding:100px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;top:-200px;left:-200px;width:500px;height:500px;background:radial-gradient(circle,rgba(255,214,10,0.15) 0%,transparent 70%);border-radius:50%}
.cta-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;position:relative;z-index:1}
.cta-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:900;color:var(--navy);line-height:1.25;margin-bottom:20px}
.cta-desc{font-size:1.05rem;color:var(--ink-2);line-height:1.9;max-width:480px}
.cta-contact{background:#fff;border:1px solid rgba(13,27,42,0.08);border-radius:12px;padding:36px;}
.contact-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid rgba(13,27,42,0.06)}
.contact-item:last-of-type{border-bottom:none}
.contact-label{font-size:0.85rem;color:var(--ink-2)}
.contact-value{font-size:1rem;color:var(--navy);font-weight:600}

/* ===== Footer ===== */
.footer{background:#08121E;padding:70px 0 30px;border-top:1px solid rgba(255,255,255,0.06)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:60px;margin-bottom:50px}
.footer-col h5{font-family:var(--font-display);font-size:1rem;font-weight:700;color:#fff;margin-bottom:20px}
.footer-col a{display:block;font-size:0.9rem;color:rgba(255,255,255,0.5);margin-bottom:12px;transition:color .2s}
.footer-col a:hover{color:var(--yellow)}
.footer-bottom{display:flex;justify-content:space-between;padding-top:30px;border-top:1px solid rgba(255,255,255,0.06);font-size:0.8rem;color:rgba(255,255,255,0.3)}



/* ===== Global Map ===== */
.global-section{
  background:var(--navy);padding:100px 0;overflow:hidden;position:relative;
}
.global-section::before{
  content:"";position:absolute;top:0;left:0;right:0;bottom:0;
  background:radial-gradient(ellipse at 60% 40%,rgba(255,214,10,0.06) 0%,transparent 60%);
}
.global-header{text-align:center;margin-bottom:50px;position:relative;z-index:1}
.global-header h2{
  font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.2rem);font-weight:900;
  color:#fff;margin-bottom:12px;
}
.global-header h2 span{color:var(--yellow)}
.global-header p{font-size:1rem;color:rgba(255,255,255,0.6);max-width:600px;margin:0 auto;line-height:1.8}
.global-map-wrap{
  max-width:1100px;margin:0 auto;position:relative;z-index:1;
}
.global-map-svg{width:100%;height:auto;display:block}
/* 连线 */
.route-line{
  fill:none;stroke:var(--yellow);stroke-width:1.5;
  opacity:0.5;
}
.route-line-flow{
  fill:none;stroke:var(--yellow);stroke-width:2;
  stroke-dasharray:400;stroke-dashoffset:400;
  animation:routeDraw 4s ease-out forwards;
  filter:drop-shadow(0 0 4px rgba(255,214,10,0.6));
}
@keyframes routeDraw{
  0%{stroke-dashoffset:400;opacity:0}
  30%{opacity:1}
  100%{stroke-dashoffset:0;opacity:0.6}
}
.route-dot{
  fill:var(--yellow);
  filter:drop-shadow(0 0 6px rgba(255,214,10,0.8));
}
/* 节点 */
.city-dot{
  fill:#fff;
  animation:dotPulse 2s ease-in-out infinite;
}
.city-ring{
  fill:none;stroke:var(--yellow);stroke-width:1;
  opacity:0.4;
  animation:ringPulse 2s ease-out infinite;
}
.city-dot-origin{
  fill:var(--yellow);
  animation:originPulse 1.5s ease-in-out infinite;
  filter:drop-shadow(0 0 8px rgba(255,214,10,0.8));
}
.city-ring-origin{
  fill:none;stroke:var(--yellow);stroke-width:1.5;
  animation:originRing 1.5s ease-out infinite;
}
@keyframes dotPulse{
  0%,100%{opacity:1;r:4}
  50%{opacity:0.7;r:6}
}
@keyframes ringPulse{
  0%{r:6;opacity:0.6}
  100%{r:18;opacity:0}
}
@keyframes originPulse{
  0%,100%{opacity:1;r:7}
  50%{opacity:0.8;r:10}
}
@keyframes originRing{
  0%{r:10;opacity:0.6}
  100%{r:28;opacity:0}
}
.city-label{
  font-family:var(--font-body);font-size:13px;fill:rgba(255,255,255,0.85);
  font-weight:500;text-anchor:middle;
}
.origin-label{
  font-family:var(--font-display);font-size:15px;fill:var(--yellow);
  font-weight:700;text-anchor:middle;
}
/* 点阵背景 */
.grid-dot{fill:rgba(96,165,250,0.55)}
.global-stats{
  display:flex;justify-content:center;gap:60px;margin-top:50px;flex-wrap:wrap;
  position:relative;z-index:1;
}
.global-stat{text-align:center}
.global-stat-num{
  font-family:var(--font-display);font-size:2.5rem;font-weight:900;
  color:var(--yellow);line-height:1;
}
.global-stat-label{font-size:0.85rem;color:rgba(255,255,255,0.5);margin-top:6px}

/* ===== Certs Marquee ===== */
.certs-section{background:var(--navy);padding:90px 0;overflow:hidden;position:relative}
.certs-header{text-align:center;margin-bottom:50px;position:relative;z-index:1}
.certs-header::before{
  content:"";display:block;width:60px;height:3px;background:var(--yellow);margin:0 auto 24px auto;
}
.certs-header h2{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:900;color:#fff;margin-bottom:16px}
.certs-header h2 span{color:var(--yellow)}
.certs-header p{font-size:1.05rem;color:rgba(255,255,255,0.6);max-width:700px;margin:0 auto;line-height:1.8}
.certs-scroll{overflow:hidden;position:relative;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.certs-track{display:flex;gap:28px;width:max-content;animation:certsScroll 80s linear infinite}
.certs-scroll:hover .certs-track{animation-play-state:paused}
@keyframes certsScroll{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}
.cert-card{flex-shrink:0;width:220px;text-align:center;background:transparent;border-radius:0;overflow:visible;border:none;box-shadow:none;transition:all 0.3s ease;position:relative}
.cert-card-img{width:100%;height:260px;overflow:hidden;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all 0.3s ease}
.cert-card:hover .cert-card-img{width:100%;height:260px;overflow:hidden;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all 0.3s ease}
.cert-card-img img{width:100%;height:100%;object-fit:contain}
.cert-card-label{padding:12px;font-size:0.85rem;font-weight:600;color:var(--navy);text-align:center}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .container{padding:0 24px}
  .nav{display:none}
  .menu-toggle{display:block}
  .about-grid{grid-template-columns:1fr;gap:60px}
  .about-img-main img{height:320px}
  .about-feature{padding:28px 24px;background:#fff;border-radius:10px;border:1px solid rgba(0,0,0,0.06);transition:all 0.3s ease}
  .about-feature-img{width:100px;height:75px}
  .about-feature-body{gap:10px}
  .about-feature-icon{width:48px;height:48px;border-radius:8px;background:rgba(255,214,10,0.15);display:flex;align-items:center;justify-content:center;color:#E8580C;margin-bottom:16px}
  .about-feature-icon svg{width:16px;height:16px}
  .about-feature h4{font-family:"Noto Serif SC",serif;font-size:1.15rem;font-weight:700;color:#0D1B2A;margin-bottom:10px}
  .about-feature p{font-size:0.9rem;color:#4a5568;line-height:1.7}
  .about-right-deco{font-size:8rem}
  .products-grid{grid-template-columns:1fr}
  .product-card.large,.product-card.small,.product-card.wide{grid-column:span 1;height:320px}
  .tech-grid{grid-template-columns:1fr;gap:16px}
  .tech-item{padding:24px 20px}
  .tech-icon{width:44px;height:44px}
  .tech-icon svg{width:22px;height:22px}
  .tech-data-value{font-size:1.5rem}
  .tech-certs{gap:24px;padding:28px 20px}
  .cert-item:not(:last-child)::after{display:none}
  .cert-item strong{font-size:1.1rem}
  .cta-inner{grid-template-columns:1fr;gap:40px}
  .cases-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-item{border-right:none;border-bottom:1px solid rgba(255,255,255,0.08);padding-bottom:20px}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:none}
  .timeline-line{display:none}
  .timeline-grid{grid-template-columns:1fr;gap:32px}
  .timeline-item{flex-direction:row;text-align:left;gap:20px;align-items:flex-start}
  .timeline-dot{margin-bottom:0;margin-top:8px}
  .timeline-year{font-size:1.6rem;margin-bottom:8px;min-width:60px}
  .timeline-img{display:none}
  .timeline-content h4{font-size:1rem}
  .timeline-content p{font-size:0.85rem;padding:0}
}
@media(max-width:640px){
  .section{padding:80px 0}
  .hero h1{font-size:2.2rem}
  .hero-desc{font-size:1rem}
  .hero-dots{right:24px;bottom:24px}
  .hero-scroll{display:none}
  .footer-grid{grid-template-columns:1fr}
  .global-section{padding:60px 0}
  .global-stats{gap:30px;margin-top:30px}
  .global-stat-num{font-size:1.8rem}
  .city-label{font-size:10px}
  .origin-label{font-size:12px}
  .certs-section{padding:60px 0}
  .cert-card{flex-shrink:0;width:220px;text-align:center;background:transparent;border-radius:0;overflow:visible;border:none;box-shadow:none;transition:all 0.3s ease;position:relative}
  .cert-card-img{width:100%;height:260px;overflow:hidden;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all 0.3s ease}
  .cert-card-label{padding:12px;font-size:0.85rem;font-weight:600;color:var(--navy);text-align:center}
  .footer-bottom{flex-direction:column;gap:10px}
  .about-img-badge{right:0;bottom:-20px;padding:20px}
}

.nav a{position:relative;display:inline-flex;align-items:center;gap:4px}
.nav a.nav-active{color:var(--yellow)}
.nav a.nav-dropdown svg{opacity:0.7;transition:transform 0.3s}
.nav a.nav-dropdown:hover svg{transform:rotate(180deg)}


.cta-form-wrap{flex:1}
.cta-form{display:flex;flex-direction:column;gap:12px}
.form-row{display:flex;gap:12px}
.form-row input{flex:1}
.cta-form input,.cta-form select,.cta-form textarea{
  background:#fff;border:1px solid rgba(13,27,42,0.12);border-radius:6px;
  padding:12px 16px;color:var(--navy);font-size:14px;font-family:var(--font-body);
}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(13,27,42,0.4)}
.cta-form select{color:rgba(13,27,42,0.6)}
.cta-form select option{background:#fff;color:var(--navy)}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{outline:none;border-color:var(--yellow)}
@media(max-width:768px){.form-row{flex-direction:column}}


.nav-dropdown{position:relative;display:inline-flex;align-items:center}
.nav-dropdown:hover .dropdown-menu{display:block !important}
.dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:#0D1B2A;min-width:170px;box-shadow:0 4px 12px rgba(0,0,0,0.3);
  display:none;z-index:1000;border-radius:6px;overflow:hidden;margin-top:10px;
}
.dropdown-menu a{
  display:block;padding:12px 16px;color:rgba(255,255,255,0.85);
  text-decoration:none;white-space:nowrap;
}
.dropdown-menu a::after{display:none}
.dropdown-menu a:hover{background:rgba(255,255,255,0.1) !important;color:#FFD60A !important}


.product-models{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.model-tag{
  background:rgba(255,214,10,0.15);color:var(--yellow);
  padding:4px 12px;border-radius:4px;font-size:12px;font-weight:600;
  border:1px solid rgba(255,214,10,0.3);
}


.product-detail{padding:120px 0;background:var(--navy);color:#fff}
.product-detail.light{background:var(--white);color:var(--ink)}
.product-detail-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:center}
.product-detail-img{border-radius:12px;overflow:hidden;height:500px}
.product-detail-img img{width:100%;height:100%;object-fit:cover}
.detail-title{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:900;margin:20px 0 16px;line-height:1.3}
.detail-desc{font-size:1.05rem;line-height:1.9;opacity:0.8;margin-bottom:40px}
.model-list{display:flex;flex-direction:column;gap:24px}
.model-item{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:10px;padding:24px;transition:all .3s}
.product-detail.light .model-item{background:#fff;border:1px solid rgba(13,27,42,0.08);}
.model-item:hover{border-color:var(--yellow)}
.model-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.model-name{font-size:1.2rem;font-weight:700;color:var(--navy)}
.model-badge{background:#f5f5f5;color:#666;padding:4px 12px;border-radius:4px;font-size:12px;font-weight:600;border:1px solid #e0e0e0}
.model-desc{font-size:0.95rem;line-height:1.8;opacity:0.8;margin-bottom:12px}
.model-scenes{font-size:0.85rem;opacity:0.6;padding-top:12px;border-top:1px solid rgba(255,255,255,0.08)}
.product-detail.light .model-scenes{border-top:1px solid rgba(13,27,42,0.06)}
@media(max-width:900px){
  .product-detail-grid{grid-template-columns:1fr;gap:40px}
  .product-detail-img{height:300px}
}




.whatsapp-float{position:fixed;bottom:30px;right:30px;width:56px;height:56px;background:#25D366;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 4px 20px rgba(37,211,102,0.4);z-index:999;transition:all .3s}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 30px rgba(37,211,102,0.5)}
.privacy-banner{position:fixed;bottom:0;left:0;right:0;background:rgba(13,27,42,0.95);color:#fff;padding:16px 20px;z-index:998;backdrop-filter:blur(10px);font-size:14px}
.privacy-content{max-width:1320px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.privacy-content a{color:var(--yellow);text-decoration:underline}
.privacy-btn{background:var(--yellow);color:var(--navy);border:none;padding:8px 20px;border-radius:4px;cursor:pointer;font-weight:600;white-space:nowrap}
.privacy-btn:hover{background:#fff}
@media(max-width:768px){.privacy-content{flex-direction:column;text-align:center}}

.cta-form-wrap{flex:1}
.cta-form{display:flex;flex-direction:column;gap:12px}
.form-row{display:flex;gap:12px}
.form-row input{flex:1}
.cta-form input,.cta-form select,.cta-form textarea{
  background:#fff;border:1px solid rgba(13,27,42,0.12);border-radius:6px;
  padding:12px 16px;color:var(--navy);font-size:14px;font-family:var(--font-body);
}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(13,27,42,0.4)}
.cta-form select{color:rgba(13,27,42,0.6)}
.cta-form select option{background:#fff;color:var(--navy)}
.cta-form input:focus,.cta-form select:focus,.cta-form textarea:focus{outline:none;border-color:var(--yellow)}
@media(max-width:768px){.form-row{flex-direction:column}}


.nav-dropdown{position:relative;display:inline-flex;align-items:center}
.nav-dropdown:hover .dropdown-menu{display:block !important}
.dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:#0D1B2A;min-width:170px;box-shadow:0 4px 12px rgba(0,0,0,0.3);
  display:none;z-index:1000;border-radius:6px;overflow:hidden;margin-top:10px;
}
.dropdown-menu a{
  display:block;padding:12px 16px;color:rgba(255,255,255,0.85);
  text-decoration:none;white-space:nowrap;
}
.dropdown-menu a::after{display:none}
.dropdown-menu a:hover{background:rgba(255,255,255,0.1) !important;color:#FFD60A !important}


.product-models{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.model-tag{
  background:rgba(255,214,10,0.15);color:var(--yellow);
  padding:4px 12px;border-radius:4px;font-size:12px;font-weight:600;
  border:1px solid rgba(255,214,10,0.3);
}


.product-detail{padding:120px 0;background:var(--navy);color:#fff}
.product-detail.light{background:var(--white);color:var(--ink)}
.product-detail-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:center}
.product-detail-img{border-radius:12px;overflow:hidden;height:500px}
.product-detail-img img{width:100%;height:100%;object-fit:cover}
.detail-title{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:900;margin:20px 0 16px;line-height:1.3}
.detail-desc{font-size:1.05rem;line-height:1.9;opacity:0.8;margin-bottom:40px}
.model-list{display:flex;flex-direction:column;gap:24px}
.model-item{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:10px;padding:24px;transition:all .3s}
.product-detail.light .model-item{background:#fff;border:1px solid rgba(13,27,42,0.08);}
.model-item:hover{border-color:var(--yellow)}
.model-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.model-name{font-size:1.2rem;font-weight:700;color:var(--navy)}
.model-badge{background:#f5f5f5;color:#666;padding:4px 12px;border-radius:4px;font-size:12px;font-weight:600;border:1px solid #e0e0e0}
.model-desc{font-size:0.95rem;line-height:1.8;opacity:0.8;margin-bottom:12px}
.model-scenes{font-size:0.85rem;opacity:0.6;padding-top:12px;border-top:1px solid rgba(255,255,255,0.08)}
.product-detail.light .model-scenes{border-top:1px solid rgba(13,27,42,0.06)}
@media(max-width:900px){
  .product-detail-grid{grid-template-columns:1fr;gap:40px}
  .product-detail-img{height:300px}
}




#view-faq .faq-hero{padding:128px 0 72px;background:var(--navy);color:#fff;position:relative;overflow:hidden;height:auto;min-height:0}
#view-faq .faq-hero h1{font-family:var(--font-display);font-size:clamp(2rem,4.5vw,3.2rem);font-weight:900;line-height:1.25;margin-bottom:16px;color:#fff}
#view-faq .faq-hero p{font-size:16px;color:rgba(255,255,255,0.8);max-width:760px;margin-bottom:30px;line-height:1.8}
.faq-search-input{width:100%;max-width:560px;padding:14px 18px;border:none;border-radius:6px;font-size:15px;font-family:var(--font-body);color:var(--ink);outline:none}
.faq-wrap{padding:64px 0 96px;background:var(--white)}
.faq-layout{display:grid;grid-template-columns:250px 1fr;gap:44px;align-items:start}
.faq-nav{position:sticky;top:92px;display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 120px);overflow:auto}
.faq-chip{text-align:left;padding:10px 14px;border:1px solid var(--gray);background:#fff;border-radius:6px;font-size:14px;color:var(--ink-2);cursor:pointer;font-family:var(--font-body);transition:all .2s;min-height:44px}
.faq-chip:hover{border-color:var(--yellow);color:var(--navy)}
.faq-chip.active{border-color:var(--yellow);background:rgba(255,214,10,0.08);color:var(--navy);font-weight:600}
.faq-tools{display:flex;align-items:center;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.faq-toggle-all{padding:10px 18px;border:1px solid var(--gray);border-radius:6px;background:#fff;color:var(--navy);font-size:14px;cursor:pointer;font-family:var(--font-body);transition:all .2s;min-height:44px}
.faq-toggle-all:hover{border-color:var(--yellow)}
.faq-group{margin-bottom:52px;scroll-margin-top:88px}
.faq-group>h2{font-family:var(--font-display);font-size:1.5rem;font-weight:900;color:var(--navy);margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--yellow)}
.faq-item{border:1px solid var(--gray);border-radius:8px;background:#fff;margin-bottom:12px;overflow:hidden;transition:box-shadow .2s}
.faq-item:hover{}
.faq-q{display:flex;align-items:center;gap:14px;padding:16px 20px;cursor:pointer;user-select:none}
.faq-no{font-family:var(--font-display);font-weight:700;color:var(--navy);background:var(--yellow);border-radius:4px;padding:2px 8px;font-size:13px;flex-shrink:0;white-space:nowrap}
.faq-q h3{font-size:16px;font-weight:600;color:var(--navy);flex:1;line-height:1.5}
.faq-toggle{width:28px;height:28px;border-radius:50%;border:1px solid var(--gray);display:grid;place-items:center;font-size:18px;line-height:1;color:var(--ink-2);flex-shrink:0;transition:transform .25s}
.faq-item.open .faq-toggle{transform:rotate(45deg);border-color:var(--yellow);color:var(--navy)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:800px}
.faq-a-inner{padding:14px 20px 18px;border-top:1px solid var(--gray)}
.faq-a-inner p{font-size:15px;line-height:1.9;color:var(--ink);margin-bottom:10px}
.faq-note{font-size:13px;color:var(--ink-2);line-height:1.8;margin-bottom:10px}
.faq-meta{font-size:13px;color:var(--ink-2);line-height:1.8}
.faq-meta b{color:var(--navy);font-weight:600}
.faq-empty{display:none;text-align:center;padding:56px 0;color:var(--ink-2);font-size:15px}
.faq-cta{margin-top:56px;text-align:center;background:var(--navy);border-radius:12px;padding:52px 24px;color:#fff}
.faq-cta h3{font-family:var(--font-display);font-size:clamp(1.4rem,3vw,1.8rem);font-weight:900;margin-bottom:12px}
.faq-cta p{color:rgba(255,255,255,0.75);margin-bottom:26px}
.btn-yellow{display:inline-block;background:var(--yellow);color:var(--navy);font-weight:700;padding:13px 30px;border-radius:6px;font-family:var(--font-body);min-height:44px;box-sizing:border-box;line-height:1}
@media(max-width:1024px){.faq-layout{grid-template-columns:1fr}.faq-nav{position:static;flex-direction:row;flex-wrap:wrap;max-height:none;overflow:visible;margin-bottom:28px}}
@media(max-width:640px){#view-faq .container{padding:0 16px}.faq-hero{padding:112px 0 56px}.faq-q{padding:14px 16px}.faq-q h3{font-size:15px}.faq-a-inner{padding:12px 16px 16px}.faq-search-input{font-size:16px}}

.nav-dropdown{padding-bottom:14px;margin-bottom:-14px;}