/* ==============================
   沈阳POS服务网 - 全新UI设计
   Modern · Clean · Professional
   ============================== */

/* ===== Reset ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:#1e293b;line-height:1.7;background:#f8fafc;overflow-x:hidden;
  font-size:15px;letter-spacing:.01em;
}
a{text-decoration:none;color:inherit;transition:all .25s ease}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}

/* ===== Variables ===== */
:root{
  --c-primary:#2563eb;
  --c-primary-d:#1d4ed8;
  --c-primary-l:#dbeafe;
  --c-dark:#0f172a;
  --c-dark-2:#1e293b;
  --c-accent:#f59e0b;
  --c-accent-d:#d97706;
  --c-accent-l:#fef3c7;
  --c-success:#10b981;
  --c-danger:#ef4444;
  --c-bg:#f8fafc;
  --c-bg-2:#f1f5f9;
  --c-white:#fff;
  --c-text:#1e293b;
  --c-text-2:#475569;
  --c-text-3:#94a3b8;
  --c-border:#e2e8f0;
  --c-border-2:#cbd5e1;
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:16px;
  --radius-xl:20px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);
  --shadow:0 4px 16px rgba(0,0,0,.06);
  --shadow-lg:0 12px 40px rgba(0,0,0,.10);
  --shadow-blue:0 8px 24px rgba(37,99,235,.20);
  --shadow-amber:0 8px 24px rgba(245,158,11,.25);
  --container:1180px;
  --phone:#2563eb;
}

/* ===== Container ===== */
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(226,232,240,.6);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.06)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:42px;height:42px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:13px;letter-spacing:-.5px;
  box-shadow:var(--shadow-blue);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text .name{font-size:18px;font-weight:700;color:var(--c-dark)}
.logo-text .tag{font-size:11px;color:var(--c-text-3);letter-spacing:.5px}

.header-right{display:flex;align-items:center;gap:16px}
.header-phone{
  display:flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--c-accent),var(--c-accent-d));
  color:#fff;font-weight:700;font-size:16px;
  box-shadow:var(--shadow-amber);
  transition:transform .2s,box-shadow .2s;
}
.header-phone:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.35);color:#fff}
.header-phone svg{width:18px;height:18px}

/* ===== Nav ===== */
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
  padding:8px 16px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:500;color:var(--c-text-2);
  transition:all .2s;
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-primary-l)}
.main-nav a.active{color:var(--c-primary);background:var(--c-primary-l);font-weight:600}

.nav-toggle{
  display:none;width:40px;height:40px;
  align-items:center;justify-content:center;
  font-size:24px;color:var(--c-dark);
}

/* Mobile nav drawer */
.mobile-nav{
  display:none;position:fixed;top:68px;left:0;right:0;bottom:0;
  background:rgba(255,255,255,.98);backdrop-filter:blur(20px);
  z-index:999;flex-direction:column;padding:16px;gap:4px;
  transform:translateX(100%);transition:transform .3s;
}
.mobile-nav.open{transform:translateX(0);display:flex}
.mobile-nav a{
  padding:14px 20px;border-radius:var(--radius);
  font-size:16px;font-weight:500;color:var(--c-text);
  border-bottom:1px solid var(--c-border);
}
.mobile-nav a.active{color:var(--c-primary);background:var(--c-primary-l)}
.mobile-nav .nav-phone{
  margin-top:16px;text-align:center;padding:16px;
  background:linear-gradient(135deg,var(--c-accent),var(--c-accent-d));
  color:#fff;border-radius:var(--radius);font-size:18px;font-weight:700;
}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:var(--c-dark);
  padding:80px 0 100px;
}
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 30%,rgba(37,99,235,.35),transparent),
    radial-gradient(ellipse 50% 40% at 80% 60%,rgba(245,158,11,.15),transparent),
    radial-gradient(ellipse 40% 30% at 50% 100%,rgba(37,99,235,.20),transparent);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:50px 50px;
}
.hero-content{position:relative;z-index:1;text-align:center;color:#fff}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:100px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  font-size:13px;color:rgba(255,255,255,.8);margin-bottom:24px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--c-success);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{
  font-size:48px;font-weight:800;line-height:1.2;
  margin-bottom:16px;letter-spacing:-.02em;
}
.hero h1 .highlight{
  background:linear-gradient(135deg,#60a5fa,#f59e0b);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero .subtitle{font-size:20px;color:rgba(255,255,255,.7);margin-bottom:12px;font-weight:300}
.hero .hero-desc{font-size:15px;color:rgba(255,255,255,.5);margin-bottom:36px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 32px;border-radius:var(--radius);
  font-size:15px;font-weight:600;transition:all .25s;
  border:none;cursor:pointer;letter-spacing:.01em;
}
.btn svg{width:18px;height:18px}
.btn-amber{background:linear-gradient(135deg,var(--c-accent),var(--c-accent-d));color:#fff;box-shadow:var(--shadow-amber)}
.btn-amber:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(245,158,11,.4);color:#fff}
.btn-blue{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));color:#fff;box-shadow:var(--shadow-blue)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,99,235,.35);color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-white{background:#fff;color:var(--c-dark)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.15)}
.btn-lg{padding:16px 40px;font-size:17px}

/* ===== Section ===== */
.section{padding:72px 0}
.section-sm{padding:48px 0}
.section-dark{background:var(--c-dark);color:#fff}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:32px;font-weight:800;color:var(--c-dark);letter-spacing:-.01em;margin-bottom:12px}
.section-header h2 .accent{color:var(--c-primary)}
.section-header .desc{font-size:15px;color:var(--c-text-3);max-width:560px;margin:0 auto}
.section-header .tag-line{
  display:inline-block;padding:4px 14px;border-radius:100px;
  background:var(--c-primary-l);color:var(--c-primary);
  font-size:13px;font-weight:600;margin-bottom:16px;
}

/* ===== Trust Bar ===== */
.trust-bar{
  background:#fff;border-bottom:1px solid var(--c-border);
  padding:20px 0;
}
.trust-grid{display:flex;justify-content:space-around;align-items:center;gap:20px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:10px;color:var(--c-text-2);font-size:14px}
.trust-item svg{width:22px;height:22px;color:var(--c-primary);flex-shrink:0}
.trust-item strong{color:var(--c-dark);font-weight:700}

/* ===== Advantages ===== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv-card{
  position:relative;padding:36px 24px;text-align:center;
  background:#fff;border-radius:var(--radius-lg);
  border:1px solid var(--c-border);
  transition:all .3s;overflow:hidden;
}
.adv-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--c-primary);transform:scaleX(0);transition:transform .3s;
}
.adv-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.adv-card:hover::before{transform:scaleX(1)}
.adv-card:nth-child(2)::before{background:var(--c-accent)}
.adv-card:nth-child(3)::before{background:var(--c-success)}
.adv-card:nth-child(4)::before{background:#8b5cf6}
.adv-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;
}
.adv-card:nth-child(1) .adv-icon{background:var(--c-primary-l);color:var(--c-primary)}
.adv-card:nth-child(2) .adv-icon{background:var(--c-accent-l);color:var(--c-accent-d)}
.adv-card:nth-child(3) .adv-icon{background:#d1fae5;color:var(--c-success)}
.adv-card:nth-child(4) .adv-icon{background:#ede9fe;color:#8b5cf6}
.adv-card h3{font-size:17px;font-weight:700;color:var(--c-dark);margin-bottom:8px}
.adv-card p{font-size:13px;color:var(--c-text-3);line-height:1.6}

/* ===== Products ===== */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--c-border);transition:all .3s;
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.prod-img{
  height:180px;
  background:linear-gradient(135deg,#1e293b 0%,#0f172a 50%,#2563eb 100%);
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.prod-img::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 70% 30%,rgba(37,99,235,.4),transparent 60%),
             radial-gradient(circle at 20% 80%,rgba(245,158,11,.25),transparent 60%);
}
.prod-img .icon{font-size:72px;opacity:.95;position:relative;z-index:2;filter:drop-shadow(0 4px 12px rgba(0,0,0,.4))}
.prod-tag{
  position:absolute;top:12px;left:12px;z-index:3;
  padding:4px 12px;border-radius:6px;
  font-size:11px;font-weight:700;color:#fff;
  background:var(--c-accent);
}
.prod-tag.blue{background:var(--c-primary)}
.prod-tag.green{background:var(--c-success)}
.prod-tag.purple{background:#8b5cf6}
.prod-body{padding:20px}
.prod-body h3{font-size:16px;font-weight:700;color:var(--c-dark);margin-bottom:6px}
.prod-body .desc{font-size:13px;color:var(--c-text-3);line-height:1.6;margin-bottom:12px}
.prod-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.prod-tags span{
  font-size:11px;padding:3px 10px;border-radius:6px;
  background:var(--c-bg);color:var(--c-text-2);
}
.prod-footer{display:flex;align-items:center;justify-content:space-between}
.prod-rate{display:flex;align-items:baseline;gap:4px}
.prod-rate .num{font-size:22px;font-weight:800;color:var(--c-accent)}
.prod-rate .unit{font-size:12px;color:var(--c-text-3)}
.prod-btn{
  padding:7px 16px;border-radius:var(--radius-sm);
  background:var(--c-primary-l);color:var(--c-primary);
  font-size:13px;font-weight:600;transition:all .2s;
}
.prod-btn:hover{background:var(--c-primary);color:#fff}

/* ===== About / Stats ===== */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-text .tag-line{
  display:inline-block;padding:4px 14px;border-radius:100px;
  background:var(--c-primary-l);color:var(--c-primary);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.about-text h2{font-size:28px;font-weight:800;color:var(--c-dark);margin-bottom:20px;line-height:1.3}
.about-text p{font-size:15px;color:var(--c-text-2);line-height:1.9;margin-bottom:16px}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:24px}
.stat-box{
  padding:24px;background:#fff;border-radius:var(--radius);
  border:1px solid var(--c-border);text-align:center;
}
.stat-box .num{font-size:32px;font-weight:800;color:var(--c-primary);line-height:1}
.stat-box .label{font-size:13px;color:var(--c-text-3);margin-top:6px}
.about-visual{
  height:380px;border-radius:var(--radius-xl);
  background:linear-gradient(135deg,var(--c-dark),var(--c-dark-2));
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;
}
.about-visual::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 40%,rgba(37,99,235,.3),transparent 50%),
             radial-gradient(circle at 70% 70%,rgba(245,158,11,.15),transparent 50%);
}
.about-visual .content{position:relative;text-align:center;color:#fff}
.about-visual .content .big{font-size:64px;font-weight:800;line-height:1}
.about-visual .content .text{font-size:16px;color:rgba(255,255,255,.6);margin-top:8px}

/* ===== News ===== */
.news-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-card{
  background:#fff;border-radius:var(--radius-lg);
  border:1px solid var(--c-border);overflow:hidden;
  transition:all .3s;
}
.news-card:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-4px)}
.news-card-head{
  padding:20px 24px 16px;border-bottom:2px solid var(--c-bg);
  display:flex;justify-content:space-between;align-items:center;
}
.news-card-head h3{font-size:18px;font-weight:700;color:var(--c-dark);display:flex;align-items:center;gap:8px}
.news-card-head h3::before{content:'';width:4px;height:18px;background:var(--c-primary);border-radius:2px}
.news-card-head .more{font-size:13px;color:var(--c-primary);font-weight:500}
.news-list{padding:8px 0}
.news-list li{
  display:flex;justify-content:space-between;align-items:center;
  padding:11px 24px;transition:background .2s;
  border-bottom:1px solid var(--c-bg);
}
.news-list li:last-child{border-bottom:none}
.news-list li:hover{background:var(--c-bg)}
.news-list li a{
  flex:1;font-size:14px;color:var(--c-text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  padding-right:12px;
}
.news-list li a:hover{color:var(--c-primary)}
.news-list li .date{font-size:12px;color:var(--c-text-3);flex-shrink:0}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-border);
  border-radius:var(--radius);margin-bottom:10px;overflow:hidden;
  transition:all .25s;
}
.faq-item:hover{border-color:var(--c-border-2)}
.faq-item.active{border-color:var(--c-primary);box-shadow:var(--shadow-blue)}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 24px;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--c-dark);
}
.faq-q .icon{
  width:28px;height:28px;border-radius:50%;
  background:var(--c-primary-l);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;transition:transform .3s;
}
.faq-item.active .q-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 24px}
.faq-item.active .faq-a{max-height:300px;padding:0 24px 18px}
.faq-a p{font-size:14px;color:var(--c-text-2);line-height:1.8}

/* ===== CTA ===== */
.cta-section{
  background:var(--c-dark);position:relative;overflow:hidden;
  padding:60px 0;text-align:center;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 50% at 50% 50%,rgba(37,99,235,.25),transparent);
}
.cta-content{position:relative;z-index:1}
.cta-content h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:10px}
.cta-content p{font-size:15px;color:rgba(255,255,255,.5);margin-bottom:24px}
.cta-phone{
  display:inline-flex;align-items:center;gap:12px;
  font-size:40px;font-weight:800;color:#fff;letter-spacing:.02em;
}
.cta-phone .label{font-size:14px;color:var(--c-accent);font-weight:500;letter-spacing:.05em}

/* ===== Footer ===== */
.site-footer{background:var(--c-dark);color:var(--c-text-3);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col p{font-size:13px;line-height:1.8;color:var(--c-text-3)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13px;color:var(--c-text-3);transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.footer-phone{font-size:28px;font-weight:800;color:var(--c-accent);margin-bottom:8px;display:block}
.footer-bottom{text-align:center;padding:20px 0;font-size:13px;color:rgba(148,163,184,.5)}
.footer-bottom a{color:rgba(148,163,184,.5)}

/* ===== Float ===== */
.float-bar{position:fixed;right:20px;bottom:100px;z-index:998;display:flex;flex-direction:column;gap:10px}
.float-btn{
  width:52px;height:52px;border-radius:50%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#fff;font-size:10px;box-shadow:var(--shadow-lg);transition:transform .2s;
}
.float-btn:hover{transform:scale(1.1)}
.float-btn svg{width:20px;height:20px;margin-bottom:1px}
.float-phone{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d))}
.float-top{background:var(--c-dark-2)}

/* ===== Page Banner ===== */
.page-banner{
  background:var(--c-dark);position:relative;overflow:hidden;
  padding:48px 0;text-align:center;
}
.page-banner::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 50% at 30% 40%,rgba(37,99,235,.25),transparent),
             radial-gradient(ellipse 50% 40% at 70% 60%,rgba(245,158,11,.10),transparent);
}
.page-banner-content{position:relative;z-index:1}
.page-banner h1{font-size:32px;font-weight:800;color:#fff;margin-bottom:8px}
.page-banner-sub{font-size:14px;color:rgba(255,255,255,.7);margin-top:6px}
.page-banner .breadcrumb{font-size:13px;color:rgba(255,255,255,.4)}
.page-banner .breadcrumb a{color:rgba(255,255,255,.6)}
.page-banner .breadcrumb a:hover{color:#fff}

/* ===== Article List ===== */
.article-grid{display:grid;grid-template-columns:1fr;gap:14px}
.article-card{
  display:flex;gap:20px;background:#fff;
  border-radius:var(--radius);padding:20px;
  border:1px solid var(--c-border);transition:all .25s;
}
.article-card:hover{box-shadow:var(--shadow);border-color:var(--c-border-2);transform:translateY(-2px)}
.article-thumb{
  width:180px;height:120px;border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--c-bg-2),var(--c-bg));
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;overflow:hidden;
}
.article-thumb img{width:100%;height:100%;object-fit:cover}
.article-thumb .placeholder{font-size:32px;opacity:.3}
.article-body{flex:1;min-width:0}
.article-body h3{font-size:17px;font-weight:700;color:var(--c-dark);margin-bottom:8px}
.article-body h3 a:hover{color:var(--c-primary)}
.article-body .excerpt{font-size:14px;color:var(--c-text-3);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;gap:16px;font-size:12px;color:var(--c-text-3)}
.article-meta span{display:flex;align-items:center;gap:4px}
.article-cat{
  display:inline-block;padding:2px 10px;border-radius:6px;
  font-size:11px;font-weight:600;margin-bottom:8px;
  background:var(--c-primary-l);color:var(--c-primary);
}

/* ===== Article Detail ===== */
.article-detail{background:#fff;border-radius:var(--radius-lg);padding:40px;border:1px solid var(--c-border)}
.article-detail h1{font-size:26px;font-weight:800;color:var(--c-dark);margin-bottom:16px;line-height:1.4}
.article-detail .meta{display:flex;gap:16px;font-size:13px;color:var(--c-text-3);padding-bottom:20px;border-bottom:1px solid var(--c-border);margin-bottom:24px}
.article-detail .content{font-size:15px;line-height:2;color:var(--c-text)}
.article-detail .content p{margin-bottom:16px}
.article-detail .content h2{font-size:20px;font-weight:700;color:var(--c-dark);margin:24px 0 12px}
.article-detail .content img{border-radius:var(--radius);margin:16px 0}
.article-cta{
  margin-top:32px;padding:24px;border-radius:var(--radius);
  background:var(--c-primary-l);text-align:center;
}
.article-cta p{font-size:14px;color:var(--c-text-2);margin-bottom:12px}
.article-cta .phone{font-size:24px;font-weight:800;color:var(--c-primary)}

/* ===== Contact ===== */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.contact-info{background:#fff;border-radius:var(--radius-lg);padding:32px;border:1px solid var(--c-border)}
.contact-info h3{font-size:20px;font-weight:700;color:var(--c-dark);margin-bottom:24px}
.contact-item{display:flex;align-items:flex-start;gap:16px;margin-bottom:20px}
.contact-item .ico{
  width:48px;height:48px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.contact-item .ico.blue{background:var(--c-primary-l);color:var(--c-primary)}
.contact-item .ico.amber{background:var(--c-accent-l);color:var(--c-accent-d)}
.contact-item .ico.green{background:#d1fae5;color:var(--c-success)}
.contact-item .ico.purple{background:#ede9fe;color:#8b5cf6}
.contact-item .label{font-size:12px;color:var(--c-text-3);margin-bottom:2px}
.contact-item .value{font-size:15px;color:var(--c-dark);font-weight:600}
.contact-item .value.big{font-size:22px;color:var(--c-primary);font-weight:800}
.contact-form{background:#fff;border-radius:var(--radius-lg);padding:32px;border:1px solid var(--c-border)}
.contact-form h3{font-size:20px;font-weight:700;color:var(--c-dark);margin-bottom:6px}
.contact-form .hint{font-size:13px;color:var(--c-text-3);margin-bottom:24px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--c-dark);margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:12px 16px;border:1.5px solid var(--c-border);
  border-radius:var(--radius-sm);font-size:14px;transition:border-color .2s;background:#fff;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--c-primary)}
.form-group textarea{resize:vertical;min-height:100px}
.form-submit{
  width:100%;padding:14px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  color:#fff;border-radius:var(--radius);font-size:16px;font-weight:700;
  box-shadow:var(--shadow-blue);transition:all .2s;
}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,99,235,.35)}

/* ===== Pagination ===== */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:32px}
.pagination a{padding:8px 14px;border:1px solid var(--c-border);border-radius:var(--radius-sm);font-size:14px;color:var(--c-text-2);transition:all .2s}
.pagination a:hover,.pagination a.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .about-wrap{grid-template-columns:1fr}
  .news-wrap{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-phone{font-size:14px;padding:8px 14px}
  .header-phone span:last-child{display:none}
  .logo-text .tag{display:none}
  .logo-text .name{font-size:15px}

  .hero{padding:56px 0 72px}
  .hero h1{font-size:30px}
  .hero .subtitle{font-size:16px}
  .hero-desc{font-size:13px}
  .btn{padding:12px 24px;font-size:14px}

  .section{padding:48px 0}
  .section-header h2{font-size:24px}
  .adv-grid{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .about-visual{height:240px}
  .about-visual .content .big{font-size:44px}

  .article-card{flex-direction:column}
  .article-thumb{width:100%;height:160px}
  .article-detail{padding:24px}

  .footer-grid{grid-template-columns:1fr}
  .cta-phone{font-size:28px}
  .float-bar{right:12px;bottom:80px}
  .float-btn{width:46px;height:46px}
}

/* Breadcrumb */
.breadcrumb{background:#f8fafc;padding:10px 0;font-size:14px;color:#64748b;border-bottom:1px solid #e2e8f0}
.breadcrumb a{color:#2563eb;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}

/* SEO Block */
.seo-block{background:#f8fafc;padding:24px 0;margin-top:0}
.seo-block h2{font-size:16px;color:#475569;margin-bottom:12px;font-weight:600}
.seo-links{font-size:13px;color:#94a3b8;margin-bottom:16px}
.seo-links a{color:#2563eb;text-decoration:none;margin:0 2px}
.seo-links a:hover{text-decoration:underline;color:#1d4ed8}
.seo-text{font-size:13px;color:#64748b;line-height:1.8}

/* ===== Bottom Phone Bar (底部电话横幅) ===== */
.bottom-phone-bar{
  background:linear-gradient(90deg,#1e3a5f 0%,#2563eb 100%);
  color:#fff;padding:14px 0;font-size:14px;
  position:sticky;bottom:0;z-index:100;
  box-shadow:0 -2px 12px rgba(30,58,95,.3);
}
.bottom-phone-bar .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.bottom-phone-bar .bp-left{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;font-size:13px;
}
.bottom-phone-bar .bp-left span{display:inline-flex;align-items:center;gap:6px}
.bottom-phone-bar .bp-left b{color:#fbbf24;font-weight:700}
.bottom-phone-bar .bp-right a{
  display:inline-flex;align-items:center;gap:8px;
  background:#f59e0b;color:#1e3a5f;
  padding:8px 22px;border-radius:24px;
  font-weight:800;font-size:16px;
  text-decoration:none;letter-spacing:.5px;
  box-shadow:0 2px 8px rgba(245,158,11,.4);
  transition:.2s;
}
.bottom-phone-bar .bp-right a:hover{background:#fbbf24;transform:translateY(-1px)}
@media(max-width:640px){
  .bottom-phone-bar{padding:10px 0;font-size:12px}
  .bottom-phone-bar .bp-left{font-size:12px;gap:14px}
  .bottom-phone-bar .bp-right a{padding:6px 14px;font-size:14px}
  .bottom-phone-bar .container{justify-content:center}
  .bottom-phone-bar .bp-left{justify-content:center}
}