/* ==========================================================
   成都厚朴膜结构 官网 v3 样式系统
   设计语言：深空蓝 #0B1220 + 流光青 #22D3EE | 未来感沉浸式
   ========================================================== */

:root{
  --bg:#0B1220;
  --bg-deep:#070D18;
  --bg-soft:#0F172A;
  --bg-card:rgba(255,255,255,.04);
  --bg-card-hover:rgba(255,255,255,.07);
  --bg-line:rgba(34,211,238,.12);
  --accent:#22D3EE;
  --accent2:#06B6D4;
  --accent-glow:rgba(34,211,238,.35);
  --accent-soft:rgba(34,211,238,.08);
  --accent-grad:linear-gradient(135deg,#22D3EE,#0891B2);
  --text:#F1F5F9;
  --text2:#94A3B8;
  --text3:#64748B;
  --border:rgba(148,163,184,.12);
  --border-glow:rgba(34,211,238,.25);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --shadow-glow:0 0 40px rgba(34,211,238,.15);
  --maxw:1240px;
  --glass:backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
/* 全局背景光晕 */
body::before{
  content:'';position:fixed;top:-20%;left:-10%;width:600px;height:600px;
  background:radial-gradient(circle,rgba(34,211,238,.06),transparent 70%);
  pointer-events:none;z-index:0;
}
body::after{
  content:'';position:fixed;bottom:-20%;right:-10%;width:700px;height:700px;
  background:radial-gradient(circle,rgba(6,182,212,.05),transparent 70%);
  pointer-events:none;z-index:0;
}
img{max-width:100%;display:block;pointer-events:none;-webkit-user-drag:none;user-select:none}
a{text-decoration:none;color:inherit}
ul{list-style:none}
body{-webkit-user-select:none;user-select:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.allow-select{-webkit-user-select:text!important;user-select:text!important}

/* ========== 工具类 ========== */
.section{padding:90px 0;position:relative}
.section-soft{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:780px;margin:0 auto 56px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:3px;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--border-glow);padding:6px 18px;border-radius:20px;margin-bottom:18px;
  text-transform:uppercase;font-weight:600}
.sec-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.sec-title{font-size:38px;font-weight:800;line-height:1.25;letter-spacing:-.5px}
.sec-title em{color:var(--accent);font-style:normal;background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sec-sub{color:var(--text2);font-size:16px;margin-top:16px;line-height:1.8}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 32px;border-radius:30px;font-size:15px;font-weight:600;transition:all .35s cubic-bezier(.4,0,.2,1);border:1px solid transparent;cursor:pointer;position:relative;overflow:hidden}
.btn-primary{background:var(--accent-grad);color:#0B1220;font-weight:700;box-shadow:0 4px 20px rgba(34,211,238,.3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 32px rgba(34,211,238,.45)}
.btn-primary::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}
.btn-primary:hover::after{left:100%}
.btn-ghost{border-color:var(--border-glow);color:var(--accent);background:rgba(34,211,238,.05)}
.btn-ghost:hover{background:rgba(34,211,238,.12);border-color:var(--accent);box-shadow:0 0 20px rgba(34,211,238,.15)}
.btn-sm{padding:10px 22px;font-size:13px}
.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}
.text-center{text-align:center}

/* 玻璃卡片 */
.glass-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.glass-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.4),transparent);opacity:0;transition:opacity .4s}
.glass-card:hover{border-color:var(--border-glow);background:var(--bg-card-hover);transform:translateY(-4px);box-shadow:var(--shadow-glow)}
.glass-card:hover::before{opacity:1}

/* ========== 顶部信息条 ========== */
.topbar{background:var(--bg-deep);border-bottom:1px solid var(--border);font-size:12px;color:var(--text3);position:relative;z-index:100}
.topbar-inner{max-width:var(--maxw);margin:0 auto;padding:8px 24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.topbar a{color:var(--text2);transition:color .2s}
.topbar a:hover{color:var(--accent)}

/* ========== 导航 ========== */
.navbar{position:sticky;top:0;z-index:1000;background:rgba(11,18,32,.85);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);
  border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;color:#fff}
.hp-logo{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  background:var(--accent-grad);color:#0B1220;font-size:18px;font-weight:900;letter-spacing:-1px;flex-shrink:0;
  box-shadow:0 4px 16px rgba(34,211,238,.35);position:relative}
.hp-logo::after{content:'';position:absolute;inset:-2px;border-radius:14px;background:var(--accent-grad);opacity:.3;filter:blur(8px);z-index:-1}
.nav-logo small{display:block;font-size:10px;font-weight:400;color:var(--text3);letter-spacing:2px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links>a{display:flex;flex-direction:column;align-items:center;line-height:1.2;padding:8px 12px;font-size:14px;font-weight:700;color:var(--text2);border-radius:10px;transition:all .25s;position:relative;background:none;border:none;font-family:inherit}
.nav-links>a small{font-size:9px;color:var(--text3);letter-spacing:1px;margin-top:2px;font-weight:400}
.nav-links>a:hover,.nav-links>a.active{color:#fff;background:rgba(255,255,255,.06)}
.nav-links>a.active{color:var(--accent)}
.nav-item{display:flex;flex-direction:column;align-items:center;line-height:1.2;padding:8px 12px;font-size:14px;font-weight:700;color:var(--text2);border-radius:10px;transition:all .25s;position:relative;cursor:pointer}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-item>a{color:inherit;font-size:14px;font-weight:700;display:flex;flex-direction:column;align-items:center;line-height:1.2}
.nav-item>a small{font-size:9px;color:var(--text3);letter-spacing:1px;margin-top:2px;font-weight:400}
.nav-phone{display:none!important}

/* 产品下拉 */
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:8px;min-width:640px;
  background:rgba(15,23,42,.97);border:1px solid var(--border-glow);border-radius:18px;padding:20px;display:none;z-index:1001;
  box-shadow:var(--shadow);backdrop-filter:blur(20px)}
.dropdown::before{content:'';position:absolute;top:-12px;left:0;right:0;height:12px;background:transparent}
.dropdown.open{display:block}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{display:block}
.dropdown-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px}
.dropdown-group-title{grid-column:1/-1;font-size:11px;color:var(--accent);letter-spacing:2px;margin:10px 4px 4px;border-top:1px solid var(--border);padding-top:10px;font-weight:600}
.dropdown-group-title:first-child{border-top:none;padding-top:0;margin-top:2px}
.dropdown a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:13.5px;color:var(--text2);transition:all .2s}
.dropdown a:hover{background:var(--accent-soft);color:var(--accent)}
.dropdown a .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0;box-shadow:0 0 6px var(--accent)}

/* 汉堡 */
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:26px;cursor:pointer;padding:6px}
.mobile-menu{display:none;background:var(--bg-soft);border-top:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .4s ease}
.mobile-menu.open{max-height:800px;display:block}
.mobile-menu a{display:block;padding:14px 24px;font-size:15px;color:var(--text2);border-bottom:1px solid var(--border);transition:all .2s}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--accent);background:var(--accent-soft)}

/* ========== Hero 首屏 ========== */
.hero{position:relative;min-height:680px;display:flex;align-items:center;overflow:hidden;padding:80px 0 100px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg::before{content:'';position:absolute;inset:0;background:
  radial-gradient(ellipse 80% 60% at 70% 40%,rgba(34,211,238,.12),transparent),
  radial-gradient(ellipse 60% 50% at 20% 70%,rgba(6,182,212,.08),transparent),
  linear-gradient(180deg,var(--bg-deep),var(--bg))}
.hero-grid-lines{position:absolute;inset:0;background-image:
  linear-gradient(rgba(34,211,238,.03) 1px,transparent 1px),
  linear-gradient(90deg,rgba(34,211,238,.03) 1px,transparent 1px);
  background-size:60px 60px;mask-image:radial-gradient(ellipse at center,black 30%,transparent 70%)}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--accent);
  background:var(--accent-soft);border:1px solid var(--border-glow);padding:8px 20px;border-radius:24px;margin-bottom:28px;font-weight:500}
.hero-badge .pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite;box-shadow:0 0 12px var(--accent)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.hero h1{font-size:56px;font-weight:900;line-height:1.15;letter-spacing:-1px;margin-bottom:24px}
.hero h1 em{font-style:normal;background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:18px;color:var(--text2);max-width:640px;line-height:1.9;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:800px}
.hero-stat{text-align:left}
.hero-stat b{display:block;font-size:36px;font-weight:800;background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.hero-stat span{font-size:13px;color:var(--text3);margin-top:4px;display:block}

/* 浮动装饰 */
.hero-float{position:absolute;z-index:1;pointer-events:none}
.hero-float-1{top:15%;right:8%;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.15),transparent 70%);animation:float 6s ease-in-out infinite}
.hero-float-2{bottom:20%;right:20%;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(6,182,212,.1),transparent 70%);animation:float 8s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}

/* ========== 内页 Hero ========== */
.page-hero{position:relative;padding:70px 0 56px;overflow:hidden;background:var(--bg-deep)}
.page-hero::before{content:'';position:absolute;inset:0;background:
  radial-gradient(ellipse 60% 80% at 80% 50%,rgba(34,211,238,.08),transparent)}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{font-size:13px;color:var(--text3);margin-bottom:18px}
.breadcrumb a{color:var(--text2);transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 8px;color:var(--text3)}
.page-hero h1{font-size:42px;font-weight:800;line-height:1.2;margin-bottom:16px}
.page-hero p{font-size:16px;color:var(--text2);max-width:720px;line-height:1.8}
.hero-stat-strip{display:flex;gap:40px;margin-top:32px;flex-wrap:wrap}
.hero-stat-strip>div{text-align:center}
.hero-stat-strip b{display:block;font-size:28px;font-weight:800;color:var(--accent)}
.hero-stat-strip span{font-size:13px;color:var(--text3)}

/* ========== 产品网格 ========== */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{padding:0;overflow:hidden}
.product-card .pc-img{height:220px;overflow:hidden;position:relative}
.product-card .pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.product-card:hover .pc-img img{transform:scale(1.08)}
.product-card .pc-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(11,18,32,.9))}
.product-card .pc-body{padding:24px}
.product-card h3{font-size:20px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.product-card h3 .pc-icon{width:36px;height:36px;border-radius:10px;background:var(--accent-soft);display:inline-flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.product-card p{font-size:14px;color:var(--text2);line-height:1.7;margin-bottom:16px}
.product-card .pc-meta{display:flex;gap:16px;font-size:12px;color:var(--text3);margin-bottom:16px;flex-wrap:wrap}
.product-card .pc-meta span{display:flex;align-items:center;gap:4px}
.product-card .pc-link{font-size:14px;color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .3s}
.product-card:hover .pc-link{gap:12px}

/* ========== 案例网格 ========== */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.project-card{overflow:hidden;cursor:pointer;display:block}
.project-card .pj-img{aspect-ratio:16/9;height:auto;overflow:hidden;position:relative}
.project-card .pj-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.project-card:hover .pj-img img{transform:scale(1.1)}
.project-card .pj-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,0) 0%,rgba(11,18,32,.9) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:16px 18px;opacity:1;transition:opacity .3s}
.project-card .pj-overlay .pj-title{color:#fff;font-size:15px;font-weight:700;line-height:1.4;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.project-card .pj-overlay .pj-loc-sm{font-size:11px;color:var(--text3);margin-bottom:6px}
.project-card .pj-overlay .pj-view{color:var(--accent);font-size:12px;font-weight:600;display:inline-flex;align-items:center;gap:4px}
.project-card .pj-body{display:none}

/* ========== 知识/新闻卡片 ========== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-card{overflow:hidden;display:flex;flex-direction:column}
.article-card .art-img{height:180px;overflow:hidden;position:relative}
.article-card .art-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.article-card:hover .art-img img{transform:scale(1.06)}
.article-card .art-cat{position:absolute;top:14px;left:14px;background:rgba(11,18,32,.85);backdrop-filter:blur(8px);color:var(--accent);font-size:11px;padding:5px 12px;border-radius:12px;border:1px solid var(--border-glow);font-weight:600}
.article-card .art-body{padding:22px;flex:1;display:flex;flex-direction:column}
.article-card h3{font-size:17px;font-weight:700;margin-bottom:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-card p{font-size:13.5px;color:var(--text2);line-height:1.7;margin-bottom:16px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-card .art-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text3);padding-top:14px;border-top:1px solid var(--border)}

/* ========== 报价卡片 ========== */
.baojia-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.baojia-card{padding:28px}
.baojia-card .bj-icon{width:52px;height:52px;border-radius:14px;background:var(--accent-grad);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;box-shadow:0 4px 16px rgba(34,211,238,.3)}
.baojia-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.baojia-card .bj-price{font-size:14px;color:var(--accent);font-weight:600;margin-bottom:14px}
.baojia-card p{font-size:13.5px;color:var(--text2);line-height:1.7;margin-bottom:18px}
.baojia-card .bj-items{font-size:12.5px;color:var(--text3);line-height:2}

/* ========== 参数表 ========== */
.spec-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.spec-table th,.spec-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border)}
.spec-table th{background:var(--bg-soft);color:var(--accent);font-weight:600;width:160px;font-size:13px;letter-spacing:.5px}
.spec-table td{color:var(--text2)}
.spec-table tr:hover td{background:rgba(34,211,238,.03)}

/* ========== 表单 ========== */
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:14px;color:var(--text2);margin-bottom:8px;font-weight:500}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:14px 18px;background:rgba(255,255,255,.04);border:1px solid var(--border);
  border-radius:12px;color:var(--text);font-size:15px;font-family:inherit;transition:all .3s;outline:none}
.form-group select{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2322D3EE' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:14px;padding-right:46px}
.form-group select option{color:#0B1220;background:#fff}
.form-group select option[value=""]{color:#7C8798}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  border-color:var(--accent);background:rgba(34,211,238,.04);box-shadow:0 0 0 3px rgba(34,211,238,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-group .hp-field{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-submit{width:100%;padding:16px;font-size:16px;font-weight:700}

/* ========== 时间线 ========== */
.timeline{position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:12px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--accent),transparent)}
.timeline-item{position:relative;margin-bottom:36px}
.timeline-item::before{content:'';position:absolute;left:-34px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:3px solid var(--accent);box-shadow:0 0 12px rgba(34,211,238,.4)}
.timeline-item .tl-year{font-size:24px;font-weight:800;color:var(--accent);margin-bottom:8px}
.timeline-item h4{font-size:17px;font-weight:600;margin-bottom:6px}
.timeline-item p{font-size:14px;color:var(--text2);line-height:1.7}

/* ========== 数据展示 ========== */
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-item{text-align:center;padding:32px 20px}
.data-item b{display:block;font-size:44px;font-weight:900;background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}
.data-item span{font-size:14px;color:var(--text2);margin-top:8px;display:block}

/* ========== 页脚 ========== */
.footer{background:var(--bg-deep);border-top:1px solid var(--border);padding:60px 0 30px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand h3{font-size:22px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.footer-brand p{font-size:13.5px;color:var(--text2);line-height:1.8;margin-bottom:16px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--accent-grad)}
.footer-col a{display:block;font-size:13.5px;color:var(--text2);padding:5px 0;transition:all .2s}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--text3)}
.footer-phone{font-size:24px;font-weight:800;color:var(--accent);margin:8px 0}

/* ========== 回到顶部 ========== */
#backTop{position:fixed;bottom:84px;right:24px;width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;
  background:var(--accent-grad);color:#0B1220;font-size:20px;font-weight:700;box-shadow:0 4px 20px rgba(34,211,238,.4);
  opacity:0;visibility:hidden;transition:all .35s;z-index:990}
#backTop.show{opacity:1;visibility:visible}
#backTop:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(34,211,238,.5)}

/* ========== 灯箱 ========== */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:9999;display:none;align-items:center;justify-content:center;backdrop-filter:blur(8px)}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:85vh;object-fit:contain;border-radius:8px;box-shadow:0 0 60px rgba(34,211,238,.2)}
.lightbox-close{position:absolute;top:24px;right:32px;font-size:32px;color:#fff;cursor:pointer;background:none;border:none;opacity:.7;transition:opacity .2s}
.lightbox-close:hover{opacity:1;color:var(--accent)}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);font-size:40px;color:#fff;cursor:pointer;background:rgba(255,255,255,.1);border:none;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s}
.lightbox-nav:hover{background:var(--accent);color:#0B1220}
.lightbox-prev{left:24px}.lightbox-next{right:24px}

/* ========== 滚动揭示 ========== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ========== 标签筛选 ========== */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;justify-content:center}
.filter-btn{padding:8px 20px;border-radius:20px;font-size:13px;background:var(--bg-card);border:1px solid var(--border);color:var(--text2);cursor:pointer;transition:all .25s;font-family:inherit}
.filter-btn:hover,.filter-btn.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}

/* ========== 分页 ========== */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px;flex-wrap:wrap}
.pagination a,.pagination button{min-width:40px;height:40px;padding:0 14px;border-radius:20px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;background:var(--bg-card);border:1px solid var(--border);color:var(--text2);transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;font-family:inherit}
.pagination a:hover,.pagination button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 16px rgba(34,211,238,.2);border-color:var(--accent);color:var(--accent)}
.pagination a.active,.pagination button.active{background:var(--accent-grad);color:#0B1220;border-color:transparent;font-weight:700;box-shadow:0 4px 20px rgba(34,211,238,.4)}
.pagination button:disabled{opacity:.35;cursor:not-allowed}

/* ========== 详情页内容 ========== */
.product-showcase{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;margin-bottom:60px}
.showcase-img{width:100%;height:400px;object-fit:cover}
.detail-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.detail-content{min-width:0}
.detail-content h2{font-size:26px;font-weight:700;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--accent);line-height:1.4}
.detail-content h3{font-size:20px;font-weight:600;margin:28px 0 12px;color:var(--text)}
.detail-content p{font-size:15px;color:var(--text2);line-height:1.9;margin-bottom:16px}
.detail-content ul,.detail-content ol{margin:12px 0 16px 24px;color:var(--text2);font-size:15px;line-height:2}
.detail-content ul li{list-style:disc;margin-bottom:4px}
.detail-content ol li{list-style:decimal;margin-bottom:4px}
.detail-content strong{color:var(--text)}
.detail-sidebar{position:sticky;top:90px}
.sidebar-card{padding:24px;margin-bottom:20px}
.sidebar-card h4{font-size:16px;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.sidebar-card .related-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);cursor:pointer;transition:all .2s}
.sidebar-card .related-item:last-child{border-bottom:none}
.sidebar-card .related-item:hover{padding-left:4px}
.sidebar-card .related-item img{width:70px;height:52px;object-fit:cover;border-radius:8px;flex-shrink:0}
.sidebar-card .related-item span{font-size:13px;color:var(--text2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 画廊 */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}
.gallery-item{aspect-ratio:16/9;height:auto;border-radius:12px;overflow:hidden;cursor:pointer;position:relative}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery-item:hover img{transform:scale(1.1)}

/* ========== 报价构成表 ========== */
.cost-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.cost-table th{background:var(--accent-soft);color:var(--accent);padding:14px;text-align:left;font-weight:600;border:1px solid var(--border-glow)}
.cost-table td{padding:12px 14px;border:1px solid var(--border);color:var(--text2)}
.cost-table tr:hover td{background:rgba(34,211,238,.03)}
.cost-table .total td{font-weight:700;color:var(--accent);background:var(--accent-soft)}

/* ========== CTA 区块 ========== */
.cta-section{position:relative;padding:70px 0;overflow:hidden;background:var(--bg-soft)}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(34,211,238,.1),transparent 70%)}
.cta-inner{text-align:center;position:relative;z-index:1}
.cta-inner h2{font-size:32px;font-weight:800;margin-bottom:14px}
.cta-inner p{color:var(--text2);font-size:16px;margin-bottom:28px}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .product-grid,.project-grid,.article-grid,.baojia-grid{grid-template-columns:repeat(2,1fr)}
  .detail-layout{grid-template-columns:1fr}
  .detail-sidebar{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:44px}
  .data-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .hero{min-height:560px;padding:60px 0 80px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:15px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .hero-stat b{font-size:28px}
  .sec-title{font-size:28px}
  .section{padding:60px 0}
  .page-hero h1{font-size:30px}
  .product-grid,.project-grid,.article-grid,.baojia-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1/-1}
  .footer-col{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px}
  .contact-cards{gap:8px}
  .contact-cards .contact-card{padding:14px 4px}
  .contact-cards .contact-card h3{font-size:12px;line-height:1.35}
  .contact-cards .contact-card p{display:none}
  .contact-cards .contact-card .num{font-size:12px;word-break:break-all}
  .contact-cards .ic{font-size:24px;line-height:1}
  .contact-cards .ic svg{width:28px;height:28px}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .data-item b{font-size:32px}
  .gallery-grid{grid-template-columns:repeat(1,1fr)}
  .product-showcase{grid-template-columns:1fr;gap:24px}
  .showcase-img{height:240px}
  .dropdown{min-width:280px;left:auto;right:0;transform:translateY(8px)}
  .dropdown-grid{grid-template-columns:1fr}
  .hero-stat-strip{gap:24px}
  .mobile-call-bar{display:flex}
  body{padding-bottom:70px}
}

/* ==========================================================
   v2迁移页面兼容样式（案例详情/知识详情/列表页）
   ========================================================== */

/* 项目信息卡 */
.project-info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;backdrop-filter:blur(12px)}
.project-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.project-info-item{display:flex;padding:12px 16px;border-bottom:1px solid var(--border);font-size:14px}
.project-info-item .label{color:var(--text3);min-width:90px;font-weight:500}
.project-info-item .value{color:var(--text2);flex:1}

/* 画廊编号 */
.gallery-item{position:relative}
.gallery-num{position:absolute;bottom:8px;right:10px;background:rgba(11,18,32,.8);color:var(--accent);font-size:12px;padding:3px 10px;border-radius:10px;font-weight:600;backdrop-filter:blur(4px)}

/* 上一篇/下一篇导航 */
.post-nav{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px 0;flex-wrap:wrap}
.post-nav-btn{padding:12px 22px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;font-size:14px;color:var(--text2);transition:all .3s;max-width:40%}
.post-nav-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.post-nav-btn.center{text-align:center}

/* 内容块 */
.content-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.content-block{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;backdrop-filter:blur(12px)}
.content-block h2{font-size:20px;font-weight:700;color:var(--accent);margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border-glow)}
.content-block h3{font-size:15px;font-weight:600;color:var(--text);margin:14px 0 6px}
.content-block p{font-size:13.5px;color:var(--text2);line-height:1.8;margin-bottom:8px}
.content-block ul,.content-block ol{margin:6px 0 10px 18px;color:var(--text2);font-size:13.5px;line-height:1.8}
.content-block ul li{list-style:disc;margin-bottom:4px}
.content-block ol li{list-style:decimal;margin-bottom:4px}

/* 相关推荐卡片 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .35s;display:block}
.related-card:hover{border-color:var(--border-glow);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.related-card .thumb{aspect-ratio:16/9;height:auto;overflow:hidden;position:relative}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.related-card:hover .thumb img{transform:scale(1.08)}
.related-card .thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,0) 0%,rgba(11,18,32,.85) 100%)}
.related-card .thumb .rc-title{position:absolute;bottom:10px;left:12px;right:12px;color:#fff;font-size:13px;font-weight:600;line-height:1.4;z-index:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .body{padding:12px 16px}
.related-card .tag{display:inline-block;font-size:11px;color:var(--accent);background:var(--accent-soft);padding:3px 10px;border-radius:8px;margin-bottom:6px;font-weight:600}
.related-card .title{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px;line-height:1.4}
.related-card .meta{font-size:12px;color:var(--text3)}

/* 联系卡片 */
.contact-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:24px}
.contact-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center;transition:all .35s;display:block;min-width:0}
.contact-card:hover{border-color:var(--border-glow);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.contact-card .ic{font-size:32px;margin-bottom:12px}
.contact-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.contact-card p{font-size:13px;color:var(--text3);margin-bottom:12px}
.contact-card .num{display:block;font-size:20px;font-weight:800;color:var(--accent)}
.contact-card.phone{border-color:rgba(34,211,238,.2)}
.contact-card.wechat{border-color:rgba(7,193,96,.2)}

/* 联系信息栏 */
.contact-info-bar{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;font-size:14px;color:var(--text2);line-height:2}
.contact-info-bar b{color:var(--text);min-width:70px;display:inline-block}
.contact-info-bar .allow-select{color:var(--accent);font-weight:600}

/* 移动端固定拨号栏 */
.mobile-call-bar{position:fixed;bottom:0;left:0;right:0;z-index:999;display:none;gap:10px;padding:10px 16px;background:rgba(11,18,32,.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--border-glow)}
.mobile-call-bar a{flex:1;text-align:center;padding:14px;border-radius:12px;font-size:15px;font-weight:700;transition:all .3s}
.mobile-call-bar .call-btn{background:var(--accent-grad);color:#0B1220;box-shadow:0 4px 16px rgba(34,211,238,.3)}
.mobile-call-bar .msg-btn{background:var(--bg-card);border:1px solid var(--border-glow);color:var(--accent)}

/* 知识卡片（列表页JS渲染） */
.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.knowledge-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .35s;display:block}
.knowledge-card:hover{border-color:var(--border-glow);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.knowledge-card .thumb{height:180px;overflow:hidden}
.knowledge-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.knowledge-card:hover .thumb img{transform:scale(1.06)}
.knowledge-card .body{padding:20px}
.knowledge-card .tag{display:inline-block;font-size:11px;color:var(--accent);background:var(--accent-soft);padding:3px 10px;border-radius:8px;margin-bottom:10px;font-weight:600}
.knowledge-card h3{font-size:16px;font-weight:700;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.knowledge-card p{font-size:13px;color:var(--text2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 筛选标签页 */
.filter-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;justify-content:center}
.filter-tab{padding:8px 20px;border-radius:20px;font-size:13px;background:var(--bg-card);border:1px solid var(--border);color:var(--text2);cursor:pointer;transition:all .25s;font-family:inherit}
.filter-tab:hover,.filter-tab.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}

/* 知识详情页正文 */
.article-body{font-size:15px;color:var(--text2);line-height:2}
.article-body h2{font-size:24px;font-weight:700;color:var(--text);margin:32px 0 16px;padding-left:14px;border-left:4px solid var(--accent)}
.article-body h3{font-size:18px;font-weight:600;color:var(--text);margin:24px 0 12px}
.article-body p{margin-bottom:16px}
.article-body ul,.article-body ol{margin:12px 0 16px 24px}
.article-body ul li{list-style:disc;margin-bottom:6px}
.article-body ol li{list-style:decimal;margin-bottom:6px}
.article-body strong{color:var(--accent)}
.article-body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--border);text-align:left}
.article-body th{background:var(--bg-soft);color:var(--accent)}

/* 响应式补充 */
@media(max-width:1024px){
  .content-blocks{grid-template-columns:1fr 1fr}
  .related-grid,.knowledge-grid{grid-template-columns:1fr 1fr}
  .contact-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:768px){
  .content-blocks,.related-grid,.knowledge-grid{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
  .project-info-grid{grid-template-columns:1fr}
  .post-nav{flex-direction:column}
  .post-nav-btn{max-width:100%;width:100%;text-align:center}
  .mobile-call-bar{display:flex}
  body{padding-bottom:70px}
}

/* 联系三按钮一排 */
.contact-triple{display:flex;gap:14px;justify-content:center;margin:28px 0;flex-wrap:nowrap}
.contact-triple a{flex:1;max-width:260px;display:flex;align-items:center;justify-content:center;gap:8px;padding:16px 12px;border-radius:14px;font-size:15px;font-weight:600;min-height:44px;transition:all .3s;text-align:center;border:1px solid var(--border-glow);background:rgba(34,211,238,.05);color:var(--accent);backdrop-filter:blur(8px);cursor:pointer}
.contact-triple a:hover{background:rgba(34,211,238,.12);border-color:var(--accent);box-shadow:0 0 20px rgba(34,211,238,.2);transform:translateY(-2px)}
.contact-triple a.ct-phone{background:var(--accent-grad);color:#0B1220;border-color:transparent;font-weight:700}
.contact-triple a.ct-phone:hover{box-shadow:0 6px 24px rgba(34,211,238,.4)}
.contact-triple .ct-icon{font-size:18px}
@media(max-width:768px){
  .contact-triple{gap:8px;padding:0 4px}
  .contact-triple a{padding:14px 6px;font-size:13px;min-height:48px;flex-direction:column;line-height:1.2}
  .contact-triple a span{font-size:11px;font-weight:400;opacity:.85}
}
/* 微信复制提示 */
.wechat-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(11,18,32,.95);border:1px solid var(--accent);color:var(--accent);padding:20px 32px;border-radius:14px;font-size:15px;font-weight:600;z-index:9999;opacity:0;visibility:hidden;transition:all .3s;backdrop-filter:blur(12px);box-shadow:0 0 30px rgba(34,211,238,.3)}
.wechat-toast.show{opacity:1;visibility:visible}

/* ===== 案例/产品分页器 ===== */
.pager-wrap{margin:36px 0 8px}
.pager{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.pager button{min-width:42px;height:42px;padding:0 10px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);border-radius:10px;cursor:pointer;font-size:14px;font-weight:500;transition:all .25s;font-family:inherit}
.pager button:hover{border-color:var(--accent);color:var(--accent)}
.pager button.active{background:var(--accent-grad);color:#0B1220;border-color:transparent;font-weight:700}
.pager button:disabled{opacity:.35;cursor:default}
.pager-info{text-align:center;color:var(--text3);font-size:13px;margin:14px 0 4px}
@media(max-width:768px){
  .pager button{min-width:38px;height:38px;font-size:13px;padding:0 8px}
  .pager{gap:6px}
}

/* 备案号链接 */
.footer-bottom a{color:inherit;text-decoration:none}
.footer-bottom a:hover{text-decoration:underline}