/* ========== 基础重置 ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --c-primary:#0d2a5c;
  --c-primary-light:#1e4d9e;
  --c-primary-dark:#061a3d;
  --c-accent:#ffb800;
  --c-accent-dark:#e09e00;
  --c-red:#e53935;
  --c-green:#2ecc71;
  --c-text:#1a1a2e;
  --c-text-light:#5a6275;
  --c-text-muted:#8b92a5;
  --c-bg:#f2f5f9; /* 页面浅灰蓝底色 */
  --c-bg-light:#e9edf4; /* section-light 稍深，形成交替层次 */
  --c-border:#e2e8f0;
  --shadow-sm:0 2px 8px rgba(13,42,92,.06);
  --shadow-md:0 8px 30px rgba(13,42,92,.10);
  --shadow-lg:0 20px 60px rgba(13,42,92,.15);
  --radius:16px;
  --radius-sm:10px;
  --max-w:1200px;
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--c-text);background:var(--c-bg);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* ========== 导航栏 ========== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-border);
  transition:all .3s ease;
}
.navbar.scrolled{box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--c-primary)}
.nav-logo .logo-icon{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  display:flex;align-items:center;justify-content:center;
  color:var(--c-accent);font-size:22px;
}
.nav-logo .logo-text{font-size:18px;line-height:1.2}
.nav-logo .logo-text span{color:var(--c-accent)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:15px;font-weight:500;color:var(--c-text);transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--c-primary)}
.nav-links a.active::after{content:"";position:absolute;bottom:-22px;left:0;right:0;height:3px;border-radius:3px;background:var(--c-accent)}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-phone{font-size:16px;font-weight:700;color:var(--c-primary);display:flex;align-items:center;gap:6px}
.nav-phone svg{width:18px;height:18px;fill:var(--c-accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:all .25s;border:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(13,42,92,.25)}
.btn-accent{background:linear-gradient(135deg,var(--c-accent),var(--c-accent-dark));color:var(--c-primary-dark)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,184,0,.35)}
.btn-outline{background:transparent;border:2px solid var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#fff}
.btn-lg{padding:14px 36px;font-size:16px}
.btn-sm{padding:8px 16px;font-size:14px}
.mobile-toggle{display:none;flex-direction:column;gap:4px;cursor:pointer;padding:6px}
.mobile-toggle span{width:24px;height:2px;background:var(--c-text);border-radius:2px;transition:.3s}

/* ========== Hero 首页头部 ========== */
.hero{
  position:relative;min-height:560px;
  background:linear-gradient(135deg,#0a1f4d 0%,#0d2a5c 40%,#1e4d9e 100%);
  display:flex;align-items:center;color:#fff;
  padding-top:68px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-50%;right:-20%;width:800px;height:800px;
  background:radial-gradient(circle,rgba(255,184,0,.15) 0%,transparent 60%);
  border-radius:50%;animation:floatGlow 8s ease-in-out infinite;
}
.hero::after{
  content:"";position:absolute;bottom:-30%;left:-10%;width:600px;height:600px;
  background:radial-gradient(circle,rgba(30,77,158,.3) 0%,transparent 60%);
  border-radius:50%;
}
@keyframes floatGlow{0%,100%{transform:translateY(0)}50%{transform:translateY(-30px)}}
.hero-content{position:relative;z-index:2;max-width:680px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:30px;
  background:rgba(255,184,0,.15);border:1px solid rgba(255,184,0,.3);
  color:var(--c-accent);font-size:14px;font-weight:600;
  margin-bottom:24px;backdrop-filter:blur(4px);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:42px;line-height:1.2;font-weight:800;margin-bottom:18px;letter-spacing:-.5px}
.hero h1 .hl{color:var(--c-accent)}
.hero p{font-size:17px;color:rgba(255,255,255,.8);margin-bottom:32px;line-height:1.7}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:44px;margin-top:36px}
.hero-stat .num{font-size:36px;font-weight:800;color:var(--c-accent)}
.hero-stat .label{font-size:14px;color:rgba(255,255,255,.7);margin-top:4px}
.hero-visual{position:absolute;right:0;top:50%;transform:translateY(-50%);z-index:1;opacity:.9}
.lightning-bolt{
  width:280px;height:280px;position:relative;
  filter:drop-shadow(0 0 40px rgba(255,184,0,.3));
}
@media(max-width:1024px){.hero-visual{display:none}}

/* ========== 通用 Section ========== */
.section{padding:56px 0}
.section-light{background:var(--c-bg-light)}
.section-dark{background:var(--c-primary-dark);color:#fff}
.section-header{text-align:center;margin-bottom:40px}
.section-header .eyebrow{
  display:inline-block;font-size:14px;font-weight:600;
  color:var(--c-accent-dark);text-transform:uppercase;letter-spacing:2px;
  margin-bottom:10px;
}
.section-header h2{font-size:30px;font-weight:800;color:var(--c-text);line-height:1.3}
.section-dark .section-header h2{color:#fff}
.section-header p{font-size:16px;color:var(--c-text-light);max-width:600px;margin:12px auto 0}
.section-dark .section-header p{color:rgba(255,255,255,.7)}

/* ========== 优势卡片 ========== */
.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.advantage-card{
  background:#fff;border-radius:var(--radius);padding:28px 24px;
  border:1px solid var(--c-border);transition:all .3s;box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;
}
.advantage-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-accent-dark));
  transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.advantage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.advantage-card:hover::before{transform:scaleX(1)}
.adv-icon{
  width:50px;height:50px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;font-size:24px;
}
.adv-icon.blue{background:#e8f0fe;color:#1a73e8}
.adv-icon.amber{background:#fef6e0;color:#f59e0b}
.adv-icon.green{background:#e6f7ed;color:#2ecc71}
.adv-icon.red{background:#fdeaea;color:#e53935}
.adv-icon.purple{background:#f3e8fe;color:#8b5cf6}
.adv-icon.cyan{background:#e0f7fa;color:#06b6d4}
.advantage-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.advantage-card p{font-size:14px;color:var(--c-text-light);line-height:1.6}

/* ========== 统计数据 ========== */
.stats-band{background:linear-gradient(135deg,var(--c-primary-dark),var(--c-primary));color:#fff;padding:44px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.stat-item .num{font-size:40px;font-weight:800;color:var(--c-accent);line-height:1}
.stat-item .num .unit{font-size:20px;margin-left:4px}
.stat-item .label{font-size:15px;color:rgba(255,255,255,.75);margin-top:8px}

/* ========== 工厂实力 ========== */
.factory-section{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.factory-info h2{font-size:28px;font-weight:800;margin-bottom:14px}
.factory-info .subtitle{font-size:15px;color:var(--c-text-light);margin-bottom:24px}
.factory-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--c-border)}
.factory-list li:last-child{border-bottom:none}
.factory-list .check{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  background:#e6f7ed;color:#2ecc71;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:bold
}
.factory-list .text strong{display:block;font-size:16px;margin-bottom:2px}
.factory-list .text span{font-size:14px;color:var(--c-text-light)}
.factory-visual{
  background:linear-gradient(135deg,#1a2e5c,#0d2a5c);
  border-radius:var(--radius);padding:40px 36px;color:#fff;
  position:relative;overflow:hidden;
}
.factory-visual::before{
  content:"";position:absolute;top:-50%;right:-50%;width:400px;height:400px;
  background:radial-gradient(circle,rgba(255,184,0,.1),transparent);border-radius:50%;
}
.factory-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.factory-tag{padding:8px 16px;border-radius:8px;background:rgba(255,184,0,.15);color:var(--c-accent);font-size:14px;font-weight:600;border:1px solid rgba(255,184,0,.2)}

/* 工厂三卡片 */
.factory-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:24px}
.factory-card{
  background:#fff;border-radius:var(--radius);padding:28px 24px;
  border:1px solid var(--c-border);transition:all .3s;box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;display:flex;flex-direction:column;
}
.factory-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--c-accent),var(--c-accent-dark));
  transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.factory-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.factory-card:hover::before{transform:scaleX(1)}
.factory-card-icon{
  width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;font-size:26px;
}
.factory-card-icon.blue{background:#e8f0fe;color:#1a73e8}
.factory-card-icon.amber{background:#fef6e0;color:#f59e0b}
.factory-card-icon.green{background:#e6f7ed;color:#2ecc71}
.factory-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.factory-card p{font-size:14px;color:var(--c-text-light);line-height:1.6;flex:1}
.factory-card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.factory-tag-sm{
  padding:4px 11px;border-radius:6px;font-size:12px;font-weight:600;
  background:var(--c-bg-light);color:var(--c-text-light);
}
.factory-bottom-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:linear-gradient(135deg,#1a2e5c,#0d2a5c);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
}
.factory-bottom-item{
  text-align:center;padding:22px 16px;
  border-right:1px solid rgba(255,255,255,.1);
}
.factory-bottom-item:last-child{border-right:none}
.factory-bottom-num{font-size:28px;font-weight:800;color:var(--c-accent)}
.factory-bottom-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:5px}

/* ========== 实景展示 ========== */
.scene-gallery{
  display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:230px;
  gap:12px;
}
.scene-item{
  position:relative;border-radius:var(--radius);overflow:hidden;
  cursor:pointer;box-shadow:var(--shadow-sm);
}
.scene-item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.scene-item:hover img{transform:scale(1.08)}
.scene-large{grid-column:span 2;grid-row:span 2}
.scene-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(13,42,92,.85) 0%,rgba(13,42,92,.3) 50%,transparent 100%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;color:#fff;
}
.scene-tag{
  display:inline-block;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:20px;
  background:rgba(255,184,0,.2);color:var(--c-accent);
  border:1px solid rgba(255,184,0,.3);
  margin-bottom:10px;align-self:flex-start;
}
.scene-overlay h3{font-size:18px;font-weight:700;margin-bottom:4px}
.scene-overlay p{font-size:13px;color:rgba(255,255,255,.8)}

/* ========== 服务保障 ========== */
.guarantee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.guarantee-item{
  background:#fff;border-radius:var(--radius);padding:26px 20px;
  text-align:center;border:1px solid var(--c-border);transition:all .3s;box-shadow:var(--shadow-sm);
}
.guarantee-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--c-accent)}
.guarantee-icon{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 14px;font-size:26px;
  background:linear-gradient(135deg,#fef6e0,#fdecd0);color:var(--c-accent-dark);
}
.guarantee-item h3{font-size:16px;font-weight:700;margin-bottom:6px}
.guarantee-item p{font-size:13px;color:var(--c-text-light)}

/* ========== 合作品牌 ========== */
.partners-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.partner-card{
  background:#fff;border:2px solid var(--c-border);border-radius:var(--radius-sm);
  padding:20px 16px;text-align:center;transition:all .3s;box-shadow:var(--shadow-sm);
}
.partner-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.partner-card .name{font-size:18px;font-weight:700;color:var(--c-text)}
.partner-card .desc{font-size:13px;color:var(--c-text-muted);margin-top:4px}
.partner-card .badge{display:inline-block;margin-top:10px;padding:3px 10px;border-radius:20px;background:#e6f7ed;color:#2ecc71;font-size:12px;font-weight:600}

/* ========== CTA 区域 ========== */
.cta-section{
  background:linear-gradient(135deg,#0d2a5c,#1e4d9e);
  border-radius:var(--radius);padding:44px 40px;
  color:#fff;display:flex;justify-content:space-between;align-items:center;
  gap:36px;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);
}
.cta-section::before{
  content:"";position:absolute;top:0;right:0;width:300px;height:300px;
  background:radial-gradient(circle,rgba(255,184,0,.1),transparent);border-radius:50%;
}
.cta-section .cta-text{position:relative;z-index:1}
.cta-section h2{font-size:26px;font-weight:800;margin-bottom:6px}
.cta-section p{color:rgba(255,255,255,.8);font-size:15px}
.cta-section .cta-actions{display:flex;gap:14px;position:relative;z-index:1}

/* ========== 文章卡片 ========== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--c-border);transition:all .3s;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.article-cover{
  height:180px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.2);font-size:48px;
  position:relative;overflow:hidden;
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{padding:20px;flex:1;display:flex;flex-direction:column}
.article-category{
  display:inline-block;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:6px;background:#e8f0fe;color:var(--c-primary);
  margin-bottom:10px;align-self:flex-start;
}
.article-card h3{font-size:17px;font-weight:700;line-height:1.4;margin-bottom:8px;flex:1}
.article-card h3 a:hover{color:var(--c-primary)}
.article-card .summary{font-size:13px;color:var(--c-text-light);line-height:1.5;margin-bottom:12px}
.article-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-text-muted);margin-top:auto}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-text-muted)}

/* ========== 产品卡片（选品中心） ========== */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--c-border);transition:all .3s;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.product-img{position:relative;aspect-ratio:1;background:var(--c-bg-light);overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.product-card:hover .product-img img{transform:scale(1.05)}
.product-img-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:48px;background:var(--c-bg-light)}
.product-tag{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,#ff6b35,#ff3d3d);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px}
.product-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px}
.product-category{display:inline-block;font-size:11px;font-weight:600;color:var(--c-primary);background:#e8f0fe;padding:2px 8px;border-radius:6px;align-self:flex-start}
.product-title{font-size:14px;font-weight:600;line-height:1.45;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:41px}
.product-price-row{display:flex;align-items:baseline;gap:8px;margin-top:2px}
.product-price{font-size:18px;font-weight:800;color:#e53935}
.product-original-price{font-size:12px;color:#999;text-decoration:line-through}
.product-meta{font-size:12px;color:var(--c-text-muted)}

/* 产品详情 */
.product-detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;margin-bottom:40px}
.product-detail-img{border-radius:16px;overflow:hidden;background:var(--c-bg-light);box-shadow:var(--shadow-sm)}
.product-detail-img img{width:100%;display:block;object-fit:cover}
.product-detail-info .product-category{margin-bottom:12px}
.product-detail-title{font-size:26px;font-weight:800;line-height:1.35;margin-bottom:16px}
.product-price-box{background:var(--c-bg-light);border-radius:12px;padding:18px 20px;margin-bottom:20px}
.product-price-box .product-sales{font-size:13px;color:var(--c-text-muted);margin-top:8px}
.order-form-card{background:var(--c-bg-light);border-radius:12px;padding:20px;border:1px solid var(--c-border)}
.order-form-card input,.order-form-card textarea{width:100%;padding:11px 14px;border:1px solid var(--c-border);border-radius:8px;font-size:15px;margin-bottom:10px;font-family:var(--font);outline:none;background:#fff;box-sizing:border-box}
.order-form-card input:focus,.order-form-card textarea:focus{border-color:var(--c-primary)}
.order-form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.product-desc-section{background:#fff;border:1px solid var(--c-border);border-radius:16px;padding:28px;margin-bottom:40px;box-shadow:var(--shadow-sm)}

/* ========== 文章详情 ========== */
.article-hero{padding:104px 0 48px;background:var(--c-bg-light)}
.article-hero .breadcrumb{font-size:14px;color:var(--c-text-muted);margin-bottom:14px}
.article-hero .breadcrumb a:hover{color:var(--c-primary)}
.article-hero h1{font-size:32px;font-weight:800;line-height:1.3;margin-bottom:14px;max-width:800px}
.article-meta-bar{display:flex;align-items:center;gap:16px;font-size:14px;color:var(--c-text-muted)}
.article-body-full{max-width:800px;margin:0 auto;padding:40px 0}
.article-body-full h1,.article-body-full h2,.article-body-full h3{margin:28px 0 12px;font-weight:700;line-height:1.4}
.article-body-full h1{font-size:26px}
.article-body-full h2{font-size:23px;border-left:4px solid var(--c-accent);padding-left:14px}
.article-body-full h3{font-size:19px}
.article-body-full p{margin-bottom:14px;font-size:16px;line-height:1.8;color:var(--c-text)}
.article-body-full ul,.article-body-full ol{margin:16px 0 16px 24px}
.article-body-full li{margin-bottom:8px;line-height:1.7}
.article-body-full table{width:100%;border-collapse:collapse;margin:20px 0}
.article-body-full th,.article-body-full td{border:1px solid var(--c-border);padding:10px 14px;text-align:left;font-size:14px}
.article-body-full th{background:var(--c-bg-light);font-weight:700}
.article-body-full code{background:var(--c-bg-light);padding:2px 6px;border-radius:4px;font-size:14px}
.article-body-full blockquote{border-left:4px solid var(--c-accent);padding:12px 20px;margin:20px 0;background:var(--c-bg-light);border-radius:0 8px 8px 0;color:var(--c-text-light)}

/* ========== 联系页面 ========== */
.contact-section{padding-top:104px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.contact-info-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);
}
.contact-info-card h3{font-size:19px;font-weight:700;margin-bottom:20px}
.contact-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-border)}
.contact-item:last-child{border-bottom:none}
.contact-item .ci-icon{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.contact-item .ci-label{font-size:13px;color:var(--c-text-muted)}
.contact-item .ci-value{font-size:15px;font-weight:600;color:var(--c-text)}
.contact-form-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);
}
.contact-form-card h3{font-size:19px;font-weight:700;margin-bottom:8px}
.contact-form-card .form-desc{font-size:14px;color:var(--c-text-light);margin-bottom:20px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--c-text)}
.form-group label .req{color:var(--c-red)}
.form-control{
  width:100%;padding:12px 16px;border:2px solid var(--c-border);border-radius:10px;
  font-size:15px;font-family:var(--font);transition:border-color .2s;outline:none;
}
.form-control:focus{border-color:var(--c-primary-light)}
textarea.form-control{min-height:100px;resize:vertical}
.form-msg{padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:16px;display:none}
.form-msg.success{display:block;background:#e6f7ed;color:#1a8a3e;border:1px solid #b8e6c5}
.form-msg.error{display:block;background:#fdeaea;color:#c62828;border:1px solid #f5c6c6}

/* 微信二维码弹窗 */
.wechat-modal{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:2000;
  display:none;align-items:center;justify-content:center;padding:20px;
}
.wechat-modal.show{display:flex}
.wechat-modal-content{
  background:#fff;border-radius:var(--radius);padding:32px;text-align:center;max-width:360px;
  animation:modalIn .3s ease;
}
@keyframes modalIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}
.wechat-modal-content h3{font-size:20px;margin-bottom:8px}
.wechat-modal-content p{font-size:14px;color:var(--c-text-light);margin-bottom:20px}
.wechat-qr-box{
  width:220px;height:220px;border-radius:12px;overflow:hidden;margin:0 auto 16px;
  border:2px solid var(--c-border);display:flex;align-items:center;justify-content:center;
}
.wechat-qr-box img{width:100%;height:100%;object-fit:cover}
.wechat-qr-placeholder{
  width:100%;height:100%;background:var(--c-bg-light);
  display:flex;align-items:center;justify-content:center;color:var(--c-text-muted);font-size:14px;text-align:center;padding:20px;
}
.wechat-modal-close{margin-top:8px}

/* ========== 页脚 ========== */
.footer{background:var(--c-primary-dark);color:rgba(255,255,255,.7);padding:48px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:36px;margin-bottom:32px}
.footer-brand .logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-brand .logo span{color:var(--c-accent)}
.footer-brand p{font-size:14px;line-height:1.6}
.footer-col h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;transition:color .2s}
.footer-col ul li a:hover{color:var(--c-accent)}
.footer-contact-item{display:flex;gap:8px;font-size:14px;margin-bottom:10px;align-items:flex-start}
.footer-contact-item svg{width:16px;height:16px;fill:var(--c-accent);flex-shrink:0;margin-top:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* ========== 关于我们页面 ========== */
.page-hero{
  padding:104px 0 44px;background:linear-gradient(135deg,#0a1f4d,#0d2a5c);color:#fff;text-align:center;
}
.page-hero h1{font-size:36px;font-weight:800;margin-bottom:10px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.75);max-width:600px;margin:0 auto}
.page-hero .breadcrumb{font-size:14px;color:rgba(255,255,255,.5);margin-bottom:14px}
.page-hero .breadcrumb a{color:var(--c-accent)}

/* 时间线 */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:"";position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--c-border)}
.timeline-item{position:relative;padding-bottom:32px}
.timeline-item::before{
  content:"";position:absolute;left:-32px;top:4px;width:18px;height:18px;border-radius:50%;
  background:var(--c-accent);border:4px solid #fff;box-shadow:0 0 0 2px var(--c-accent);
}
.timeline-item .year{font-size:18px;font-weight:800;color:var(--c-primary)}
.timeline-item .title{font-size:16px;font-weight:600;margin:4px 0}
.timeline-item .desc{font-size:14px;color:var(--c-text-light)}

/* ========== 404 页面 ========== */
.not-found{padding:160px 0 100px;text-align:center}
.not-found h1{font-size:80px;font-weight:800;color:var(--c-primary)}
.not-found p{font-size:18px;color:var(--c-text-light);margin:12px 0 28px}

/* ========== 后台管理样式 ========== */
.admin-body{background:#f0f2f5;min-height:100vh}
.admin-login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a1f4d,#0d2a5c);padding:20px}
.admin-login-card{background:#fff;border-radius:16px;padding:40px;max-width:400px;width:100%;box-shadow:var(--shadow-lg)}
.admin-login-card h2{text-align:center;font-size:24px;font-weight:800;margin-bottom:8px;color:var(--c-primary)}
.admin-login-card .subtitle{text-align:center;font-size:14px;color:var(--c-text-light);margin-bottom:28px}
.admin-login-card .alert{padding:10px 14px;border-radius:8px;background:#fdeaea;color:#c62828;font-size:14px;margin-bottom:16px}
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{
  width:220px;background:var(--c-primary-dark);color:#fff;padding:24px 0;flex-shrink:0;
  position:fixed;height:100vh;overflow-y:auto;z-index:100;
}
.admin-sidebar .sidebar-logo{padding:0 24px 24px;font-size:18px;font-weight:800;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:16px}
.admin-sidebar .sidebar-logo span{color:var(--c-accent)}
.admin-sidebar a{display:flex;align-items:center;gap:10px;padding:12px 24px;font-size:15px;color:rgba(255,255,255,.7);transition:all .2s}
.admin-sidebar a:hover,.admin-sidebar a.active{background:rgba(255,255,255,.08);color:#fff}
.admin-sidebar a.active{border-left:3px solid var(--c-accent)}
.admin-sidebar .sidebar-logout{margin-top:auto;position:absolute;bottom:24px;width:100%}
.admin-main{flex:1;margin-left:220px;padding:20px 24px}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.admin-topbar h1{font-size:22px;font-weight:700}
.admin-topbar .admin-user{font-size:14px;color:var(--c-text-light)}
.admin-topbar .admin-user a{color:var(--c-primary);font-weight:600}

/* 管理后台卡片 */
.admin-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:20px;margin-bottom:32px}
.admin-stat-card{background:#fff;border-radius:12px;padding:24px;box-shadow:var(--shadow-sm)}
.admin-stat-card .stat-num{font-size:32px;font-weight:800;color:var(--c-primary)}
.admin-stat-card .stat-label{font-size:14px;color:var(--c-text-light);margin-top:4px}
.admin-stat-card .stat-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:12px}

/* 管理后台表格 */
.admin-table-wrap{background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.admin-table{width:100%;border-collapse:collapse}
.admin-table th{background:var(--c-bg-light);padding:14px 16px;text-align:left;font-size:13px;font-weight:600;color:var(--c-text-light);border-bottom:1px solid var(--c-border)}
.admin-table td{padding:14px 16px;font-size:14px;border-bottom:1px solid var(--c-border)}
.admin-table tr:last-child td{border-bottom:none}
.admin-table tr:hover td{background:var(--c-bg-light)}
.badge{display:inline-block;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:600}
.badge-new{background:#fef6e0;color:#f59e0b}
.badge-contacted{background:#e8f0fe;color:#1a73e8}
.badge-closed{background:#e6f7ed;color:#2ecc71}
.badge-published{background:#e6f7ed;color:#2ecc71}
.badge-draft{background:#f0f0f0;color:#999}
.admin-action-btn{padding:4px 10px;border-radius:6px;font-size:13px;cursor:pointer;border:1px solid var(--c-border);background:#fff;margin-right:4px;transition:all .2s}
.admin-action-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.admin-action-btn.danger:hover{border-color:var(--c-red);color:var(--c-red)}

/* 访客统计页 */
.visitor-two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.visitor-chart-legend{display:flex;gap:20px;margin-bottom:12px}
.visitor-chart-legend .legend-item{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--c-text-light)}
.visitor-chart-legend .legend-dot{width:10px;height:10px;border-radius:3px;display:inline-block}
.visitor-chart svg text{font-family:var(--font)}

/* 管理后台表单 */
.admin-form-card{background:#fff;border-radius:12px;padding:28px;box-shadow:var(--shadow-sm);max-width:800px}
.admin-form-card h3{font-size:18px;font-weight:700;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--c-border)}
.admin-form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.admin-form-row.full{grid-template-columns:1fr}
.admin-form-group{margin-bottom:16px}
.admin-form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.admin-form-group input,.admin-form-group select,.admin-form-group textarea{
  width:100%;padding:10px 14px;border:1px solid var(--c-border);border-radius:8px;font-size:14px;font-family:var(--font);outline:none;transition:border-color .2s;
}
.admin-form-group input:focus,.admin-form-group select:focus,.admin-form-group textarea:focus{border-color:var(--c-primary-light)}
.admin-form-group textarea{min-height:120px}
.admin-form-actions{display:flex;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--c-border)}
.admin-file-upload{border:2px dashed var(--c-border);border-radius:8px;padding:24px;text-align:center;cursor:pointer;transition:border-color .2s}
.admin-file-upload:hover{border-color:var(--c-primary-light)}
.admin-file-upload input{display:none}
.admin-file-upload .upload-text{font-size:14px;color:var(--c-text-light)}
.admin-file-upload .upload-text strong{color:var(--c-primary)}
.admin-current-image{margin-top:8px;font-size:13px;color:var(--c-text-muted)}

/* 分页 */
.pagination-wrap{margin-top:40px;display:flex;flex-direction:column;align-items:center;gap:14px}
.pagination{display:flex;justify-content:center;gap:6px;flex-wrap:wrap}
.pagination a,.pagination span{
  padding:8px 14px;border-radius:8px;font-size:14px;border:1px solid var(--c-border);
  background:#fff;transition:all .2s;
}
.pagination a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.pagination .current{background:var(--c-primary);color:#fff;border-color:var(--c-primary);font-weight:600}
.pagination .disabled{color:var(--c-text-muted);cursor:not-allowed;background:#f8f9fa}
.pagination .ellipsis{border:none;background:none;padding:8px 6px;color:var(--c-text-muted)}
.pagination .page-edge{font-weight:700;padding:8px 12px}
.pagination-info{display:flex;align-items:center;gap:24px;font-size:13px;color:var(--c-text-muted);flex-wrap:wrap;justify-content:center}
.pagination-info b{color:var(--c-primary)}
.page-jump{display:inline-flex;align-items:center;gap:6px}
.page-jump input{
  width:56px;padding:5px 8px;border:1px solid var(--c-border);border-radius:6px;font-size:13px;
  text-align:center;outline:none;
}
.page-jump input:focus{border-color:var(--c-primary)}
.page-jump button{
  padding:5px 12px;border:none;border-radius:6px;background:var(--c-primary);color:#fff;
  font-size:12px;font-weight:600;cursor:pointer;transition:opacity .2s;
}
.page-jump button:hover{opacity:.85}

/* ========== 客户案例 ========== */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:8px}
.case-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-border);
  border-radius:16px;overflow:hidden;text-decoration:none;color:inherit;
  transition:all .25s;box-shadow:0 2px 10px rgba(0,0,0,.04);
}
.case-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.1);border-color:var(--c-primary)}
.case-cover{position:relative;height:230px;overflow:hidden;background:var(--c-bg)}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.case-card:hover .case-cover img{transform:scale(1.05)}
.case-cover-fallback{display:flex;align-items:center;justify-content:center;height:100%;font-size:56px}
.case-city{
  position:absolute;left:14px;top:14px;background:rgba(0,0,0,.55);color:#fff;
  padding:5px 12px;border-radius:20px;font-size:13px;backdrop-filter:blur(4px);
}
.case-body{padding:22px 24px 20px;display:flex;flex-direction:column;flex:1}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.case-industry{background:var(--c-primary);color:#fff;padding:3px 10px;border-radius:6px;font-size:12px}
.case-meta-tag{background:var(--c-bg);color:var(--c-text-light);padding:3px 10px;border-radius:6px;font-size:12px}
.case-meta-hot{background:#fff7e6;color:#c07600}
.case-title{font-size:18px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-summary{font-size:14px;color:var(--c-text-light);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.case-footer{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-border)}
.case-highlight{font-size:13px;font-weight:700;color:var(--c-primary)}
.case-more{font-size:13px;color:var(--c-primary);font-weight:600}
/* 案例详情页 */
.case-detail-wrap{max-width:860px;margin:0 auto}
.case-owner-bar{
  display:flex;align-items:center;gap:12px;background:#f6f8ff;border:1px solid #e3e9ff;
  border-radius:12px;padding:14px 18px;font-size:14px;color:var(--c-text-light);margin-bottom:24px;
}
.case-owner-avatar{font-size:22px}
.case-detail-summary{
  font-size:16px;line-height:1.9;color:var(--c-text-light);background:var(--c-bg);
  border-left:4px solid var(--c-primary);padding:18px 22px;border-radius:0 10px 10px 0;margin-bottom:32px;
}
.case-content{font-size:16px;line-height:2;color:var(--c-text);word-break:break-word}
.case-content h2{font-size:22px;margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);line-height:1.4}
.case-content h3{font-size:18px;margin:26px 0 12px}
.case-content p{margin-bottom:16px}
.case-content ul{margin:0 0 18px 4px;padding-left:20px}
.case-content li{margin-bottom:10px}
.case-content img{width:100%;border-radius:12px;margin:22px 0;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.case-content mark{background:linear-gradient(transparent 60%,#ffe58f 60%);padding:0 2px}
.case-content blockquote{
  margin:34px 0 10px;padding:20px 24px;background:#fffaf0;border:1px solid #ffe3b3;
  border-radius:12px;font-size:15px;color:#8a6100;line-height:1.9;
}
.case-cta{
  margin-top:44px;padding:36px;text-align:center;border-radius:16px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));color:#fff;
}
.case-cta h3{font-size:20px;margin-bottom:10px}
.case-cta p{font-size:14px;opacity:.9;margin-bottom:20px}
.case-others{margin-top:48px}
.case-others h3{font-size:20px;margin-bottom:20px;padding-left:14px;border-left:4px solid var(--c-primary)}
.case-others-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-other-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-border);
  border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;transition:all .2s;
}
.case-other-card:hover{box-shadow:0 8px 20px rgba(0,0,0,.08);transform:translateY(-3px)}
.case-other-card img{width:100%;height:130px;object-fit:cover}
.case-other-info{padding:14px 16px}
.case-other-city{font-size:12px;color:var(--c-primary);font-weight:600}
.case-other-info h4{font-size:15px;line-height:1.5;margin:6px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-other-info p{font-size:13px;color:var(--c-text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .advantage-grid,.guarantee-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
  .case-others-grid{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .factory-section{grid-template-columns:1fr;gap:32px}
  .factory-cards{grid-template-columns:repeat(2,1fr)}
  .factory-bottom-bar{grid-template-columns:repeat(2,1fr)}
  .factory-bottom-item:nth-child(2){border-right:none}
  .factory-bottom-item:nth-child(1),.factory-bottom-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1)}
  .scene-gallery{grid-template-columns:repeat(2,1fr)}
  .scene-large{grid-column:span 2;grid-row:span 1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .contact-grid{grid-template-columns:1fr}
  .admin-stat-grid{grid-template-columns:repeat(2,1fr)}
}
/* 中等屏幕：保证顶部导航 7 个栏目完整显示（含选品中心） */
@media(max-width:1100px){
  .nav-links{gap:20px}
  .nav-links a{font-size:14px}
  .nav-phone{display:none}
}
@media(max-width:768px){
  .case-grid{grid-template-columns:1fr}
  .case-others-grid{grid-template-columns:1fr}
  .nav-links{display:none;position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;gap:0;border-bottom:1px solid var(--c-border)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 16px;border-bottom:1px solid var(--c-border)}
  .nav-links a.active::after{display:none}
  .nav-phone{display:none}
  .mobile-toggle{display:flex}
  .hero{min-height:auto;padding-top:100px;padding-bottom:48px}
  .hero h1{font-size:32px}
  .hero p{font-size:16px}
  .hero-stats{flex-wrap:wrap;gap:24px}
  .hero-stat .num{font-size:28px}
  .section{padding:48px 0}
  .section-header h2{font-size:26px}
  .advantage-grid,.guarantee-grid,.article-grid,.stats-grid,.admin-stat-grid{grid-template-columns:1fr}
  .visitor-two-col{grid-template-columns:1fr}
  .factory-cards{grid-template-columns:1fr}
  .factory-bottom-bar{grid-template-columns:repeat(2,1fr)}
  .factory-bottom-item:nth-child(2){border-right:none}
  .factory-bottom-item:nth-child(3){border-bottom:1px solid rgba(255,255,255,.1);border-right:none}
  .scene-gallery{grid-template-columns:1fr;grid-auto-rows:200px}
  .scene-large{grid-column:span 1;grid-row:span 1}
  .cta-section{flex-direction:column;text-align:center;padding:36px 24px}
  .cta-section .cta-actions{flex-direction:column;width:100%}
  .footer-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:28px}
  .admin-sidebar{position:relative;width:100%;height:auto}
  .admin-main{margin-left:0}
  .admin-form-row{grid-template-columns:1fr}
  .admin-table-wrap{overflow-x:auto}
}

/* ========== 动画 ========== */
.fade-in-up{opacity:0;transform:translateY(30px);transition:all .6s ease}
.fade-in-up.visible{opacity:1;transform:translateY(0)}

/* ========== 移动端增强（手机专用，不影响 PC） ========== */

/* 菜单打开时锁定页面滚动 */
body.no-scroll{overflow:hidden}

/* 移动端遮罩层 */
.mobile-overlay{
  position:fixed;inset:0;background:rgba(6,26,61,.5);z-index:999;
  display:none;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
}
.mobile-overlay.show{display:block}

/* 移动端菜单底部电话区：PC 端始终隐藏 */
.mobile-nav-foot{display:none}

/* 移动端底部快捷导航：默认隐藏，仅手机显示 */
.mobile-bottom-nav{display:none}

/* 手机顶部页头固定「选品中心」入口：PC 隐藏 */
.mobile-top-shop{display:none}

/* 手机端菜单（含新增电话/咨询区） */
@media(max-width:768px){
  .nav-links{
    max-height:calc(100vh - 68px);overflow-y:auto;
    box-shadow:0 20px 40px rgba(13,42,92,.12);
  }
  .nav-links a{padding:14px 16px;font-size:16px;font-weight:500}
  .mobile-nav-foot{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:16px 16px 12px;margin-top:4px;
    border-top:1px solid var(--c-border);background:var(--c-bg-light);
    border-radius:0 0 12px 12px;
  }
  .mobile-nav-phone{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--c-primary);white-space:nowrap}
  .mobile-nav-phone svg{width:18px;height:18px;fill:var(--c-accent);flex-shrink:0}
  .mobile-nav-phone span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}

  /* 手机顶部页头固定「选品中心」胶囊按钮 */
  .mobile-top-shop{
    display:block;margin-left:auto;margin-right:12px;
  }
  .mobile-top-shop a{
    display:inline-flex;align-items:center;gap:5px;
    padding:7px 14px;border-radius:20px;
    background:linear-gradient(135deg,var(--c-accent),var(--c-accent-dark));
    color:var(--c-primary-dark);font-size:13px;font-weight:700;
    text-decoration:none;white-space:nowrap;
    box-shadow:0 2px 8px rgba(255,184,0,.35);
    -webkit-tap-highlight-color:transparent;
  }
  .mobile-top-shop a:active{transform:scale(.95)}
  .mobile-top-shop a svg{width:16px;height:16px;fill:currentColor}

  /* 底部快捷导航：固定底部，核心入口永远可见 */
  body{padding-bottom:64px}
  .mobile-bottom-nav{
    display:flex;
    position:fixed;bottom:0;left:0;right:0;z-index:998;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-top:1px solid var(--c-border);
    box-shadow:0 -4px 16px rgba(13,42,92,.08);
    padding:6px 2px calc(6px + env(safe-area-inset-bottom,0px));
  }
  .mobile-bottom-nav a{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
    padding:4px 2px;font-size:11px;line-height:1.2;
    color:var(--c-text-muted);font-weight:500;text-decoration:none;
    -webkit-tap-highlight-color:transparent;
  }
  .mobile-bottom-nav a .icon{font-size:20px;line-height:1;transition:transform .2s}
  .mobile-bottom-nav a:active .icon{transform:scale(.92)}
  .mobile-bottom-nav a.active{color:var(--c-primary);font-weight:700}
  .mobile-bottom-nav a.active .icon{transform:scale(1.05)}

  /* 容器与通用间距 */
  .container{padding:0 16px}
  .section{padding:30px 0}
  .section-header{margin-bottom:22px}
  .section-header h2{font-size:21px}
  .section-header p{font-size:14px}

  /* Hero 首屏 */
  .hero{padding-top:96px;padding-bottom:36px}
  .hero-badge{font-size:12px;padding:5px 12px;margin-bottom:16px;white-space:normal}
  .hero h1{font-size:26px;letter-spacing:0;margin-bottom:14px}
  .hero p{font-size:15px;margin-bottom:24px}
  .hero-actions{flex-direction:column;gap:10px}
  .hero-actions .btn{width:100%;padding:13px 16px;font-size:15px}
  .hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:28px}
  .hero-stat .num{font-size:24px}
  .hero-stat .label{font-size:12px}

  /* 卡片 */
  .advantage-card,.factory-card,.guarantee-item{padding:22px 18px}
  .adv-icon{width:48px;height:48px;border-radius:12px;font-size:22px;margin-bottom:14px}
  .advantage-card h3{font-size:16px}
  .advantage-card p,.factory-card p,.guarantee-item p{font-size:14px}
  .factory-card h3{font-size:18px}
  .factory-card-icon{width:52px;height:52px;font-size:24px}

  /* 产品 */
  .product-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .product-detail-layout{grid-template-columns:1fr;gap:24px}
  .product-detail-title{font-size:22px}
  .order-form-row{grid-template-columns:1fr}
  .product-desc-section{padding:20px;margin-bottom:24px}
  .product-body{padding:12px}
  .product-title{min-height:0}

  /* 统计条 */
  .stats-band{padding:36px 0}
  .stats-grid{gap:20px}
  .stat-item .num{font-size:28px}
  .stat-item .label{font-size:13px}

  /* 工厂区 */
  .factory-info h2{font-size:22px}
  .factory-info .subtitle{font-size:14px}
  .factory-visual{padding:28px 20px}
  .factory-bottom-num{font-size:22px}
  .factory-bottom-item{padding:16px 10px}
  .factory-bottom-label{font-size:12px}

  /* 实景 */
  .scene-gallery{grid-auto-rows:170px;gap:12px}
  .scene-overlay{padding:16px}
  .scene-overlay h3{font-size:16px}

  /* CTA 行动区 */
  .cta-section{padding:28px 20px;gap:20px}
  .cta-section h2{font-size:20px}
  .cta-section p{font-size:14px}
  .cta-section .cta-actions{width:100%;gap:10px}
  .cta-section .cta-actions .btn{width:100%;padding:13px 16px;font-size:15px}

  /* 文章卡片 */
  .article-grid{gap:16px}
  .article-cover{height:150px}
  .article-body{padding:18px}
  .article-card h3{font-size:16px}
  .article-card .summary{font-size:13px}

  /* 文章详情页 */
  .article-hero{padding:84px 0 28px}
  .article-hero .breadcrumb{font-size:12px;margin-bottom:12px}
  .article-hero h1{font-size:22px;line-height:1.35}
  .article-meta-bar{font-size:13px;gap:10px;flex-wrap:wrap}
  .article-body-full{padding:24px 0}
  .article-body-full h2{font-size:19px;padding-left:10px;margin:24px 0 12px}
  .article-body-full h3{font-size:17px}
  .article-body-full p{font-size:15px;line-height:1.75}
  .article-body-full blockquote{padding:10px 14px;font-size:14px}

  /* 文章表格：手机上可横向滑动，避免内容被挤压变形 */
  .article-body-full table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse}
  .article-body-full th,.article-body-full td{white-space:nowrap;padding:8px 10px;font-size:13px}
  .article-body-full pre{overflow-x:auto;font-size:13px}

  /* 上下篇导航 / 相关文章：手机端堆叠 */
  .prev-next-nav{flex-direction:column;gap:16px !important}
  .prev-next-nav>div{width:100%}
  .prev-next-nav>div:nth-child(2){text-align:left !important}
  .related-grid{grid-template-columns:1fr !important;gap:12px}

  /* 联系页 */
  .contact-section{padding-top:84px}
  .contact-info-card,.contact-form-card{padding:22px 16px}
  .contact-info-card h3,.contact-form-card h3{font-size:18px}
  .contact-form-card .form-control{padding:11px 14px;font-size:16px} /* 16px 防止 iOS 聚焦放大 */
  .contact-item .ci-value{font-size:15px}

  /* 子页面头部 */
  .page-hero{padding:84px 0 32px}
  .page-hero h1{font-size:26px}
  .page-hero p{font-size:15px}

  /* 页脚 */
  .footer{padding:36px 0 16px}
  .footer-grid{gap:24px;margin-bottom:28px}
  .footer-brand p{font-size:13px}

  /* 时间线 */
  .timeline-item .desc{font-size:13px}
  .timeline-item .title{font-size:15px}

  /* 合作品牌 */
  .partners-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .partner-card{padding:18px 12px}
  .partner-card .name{font-size:16px}

  /* 后台管理：侧边栏改为横向滚动 */
  .admin-main{padding:14px}
  .admin-topbar{flex-direction:column;align-items:flex-start;gap:6px;margin-bottom:20px}
  .admin-topbar h1{font-size:20px}
  .admin-sidebar{position:relative;width:100%;height:auto;padding:10px 0;overflow-x:auto;display:flex;align-items:center;gap:2px;-webkit-overflow-scrolling:touch}
  .admin-sidebar .sidebar-logo{display:none}
  .admin-sidebar a{white-space:nowrap;padding:10px 14px;font-size:13px;flex-shrink:0}
  .admin-sidebar a.active{border-left:none;border-bottom:3px solid var(--c-accent)}
  .admin-form-card{padding:20px 16px}
  .admin-stat-card{padding:18px}
  .admin-stat-card .stat-num{font-size:26px}
  .admin-form-actions{flex-direction:column}
  .admin-form-actions .btn{width:100%}
  .pagination a,.pagination span{padding:7px 11px;font-size:13px}
}

/* 小屏手机（≤480px）进一步收紧 */
@media(max-width:480px){
  .hero h1{font-size:24px}
  .section-header h2{font-size:20px}
  .article-hero h1{font-size:20px}
  .btn-lg{padding:12px 20px;font-size:15px}
  .factory-cards,.advantage-grid,.guarantee-grid,.article-grid{grid-template-columns:1fr}
  .partners-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .admin-stat-grid{grid-template-columns:repeat(2,1fr);gap:12px}
}

/* 超小屏（≤380px，iPhone SE 等） */
@media(max-width:380px){
  .hero h1{font-size:22px}
  .hero-actions .btn{padding:12px 12px;font-size:14px}
  .section-header h2{font-size:19px}
  .cta-section h2{font-size:18px}
  .footer-grid{grid-template-columns:1fr}
  .factory-bottom-bar{grid-template-columns:repeat(2,1fr)}
}