/* PaomoSite - 简洁大气企业站样式 v1.0 */
*{margin:0;padding:0;box-sizing:border-box}
:root{--c1:#16324f;--c2:#ff7a00;--tx:#333;--tx2:#666;--bd:#e8ecf1;--bg:#f6f8fa;--r:8px}
html{-webkit-text-size-adjust:100%}
body{font:15px/1.75 "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--tx);background:#fff}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;height:auto;border:0;vertical-align:middle}
ul,ol{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
h1,h2,h3,h4{font-weight:600;line-height:1.4}

/* ===== 头部 ===== */
.hd{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);box-shadow:0 1px 0 var(--bd)}
.hd-in{display:flex;align-items:center;height:64px;gap:24px}
.logo img{height:44px;width:auto}
.nav{display:flex;align-items:center;margin-left:auto;gap:4px}
.nav>a,.nav-item>a{display:block;padding:0 16px;line-height:64px;font-size:16px;color:var(--tx)}
.nav>a:hover,.nav>a.on,.nav-item>a:hover{color:var(--c2)}
.nav-item{position:relative}
.sub{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.1);border-radius:var(--r);padding:8px 0;min-width:140px;text-align:center;opacity:0;visibility:hidden;transition:.2s}
.nav-item:hover .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.sub a{display:block;padding:8px 18px;font-size:14px;white-space:nowrap}
.sub a:hover{color:var(--c2);background:var(--bg)}
.nav-btn{display:none;margin-left:auto;background:none;border:0;width:40px;height:40px;cursor:pointer}
.nav-btn span{display:block;width:22px;height:2px;background:var(--c1);margin:5px auto;border-radius:2px}

/* ===== Banner ===== */
.banner{position:relative;overflow:hidden;background:var(--c1)}
.banner .slide{display:none;position:relative}
.banner .slide.on{display:block}
.banner img{width:100%;display:block;aspect-ratio:1200/420;object-fit:cover}
.banner .txt{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:0 8%}
.banner h3{color:#fff;font-size:34px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.banner p{color:#fff;font-size:17px;margin:10px 0 24px;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.btn{display:inline-block;background:linear-gradient(135deg,#ff8a00,#ff6a00);color:#fff;padding:10px 34px;border-radius:999px;font-size:15px;box-shadow:0 4px 14px rgba(255,122,0,.35);transition:.2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,122,0,.4);color:#fff}
.banner .dots{position:absolute;bottom:14px;left:0;right:0;text-align:center}
.banner .dots i{display:inline-block;width:24px;height:4px;border-radius:2px;background:rgba(255,255,255,.4);margin:0 4px;cursor:pointer;transition:.2s}
.banner .dots i.on{background:#fff}

/* ===== 区块 ===== */
.sec{padding:64px 0}
.sec.alt{background:var(--bg)}
.sec-hd{text-align:center;margin-bottom:40px}
.sec-hd h2{font-size:30px;color:var(--c1)}
.sec-hd p{color:var(--tx2);margin-top:8px;font-size:15px}
.sec-hd .more{display:inline-block;margin-top:16px;color:var(--c2);font-size:14px}

/* 产品切换 */
.tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.tabs a{padding:7px 26px;border:1px solid var(--bd);border-radius:999px;font-size:15px;color:var(--tx2)}
.tabs a.on{background:var(--c1);border-color:var(--c1);color:#fff}
.prod-panel{display:none}
.prod-panel.on{display:grid;grid-template-columns:460px 1fr;gap:20px;align-items:start}
.prod-panel .lead{display:block;aspect-ratio:8/5;overflow:hidden;border-radius:var(--r);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.prod-panel .lead img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.prod-panel .lead:hover img{transform:scale(1.04)}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:start}
.pcard{background:#fff;border:1px solid var(--bd);border-radius:var(--r);overflow:hidden;transition:.25s}
.pcard:hover{box-shadow:0 10px 28px rgba(0,0,0,.1);transform:translateY(-4px);border-color:transparent}
.pcard .pmask{position:relative;display:block;overflow:hidden}
.pcard .pmask img{width:100%;aspect-ratio:350/328;object-fit:cover;display:block;transition:transform .4s}
.pcard .pmask-txt{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(20,40,70,.45);color:#fff;font-size:15px;letter-spacing:2px;opacity:0;transition:.3s}
.pcard .pmask:hover img{transform:scale(1.06)}
.pcard .pmask:hover .pmask-txt{opacity:1}
.pcard h4{text-align:center;padding:12px 8px;font-size:15px;font-weight:500}
.pcard h4 a:hover{color:var(--c2)}

/* 关于 */
.about-flex{display:grid;grid-template-columns:1fr 480px;gap:36px;align-items:center}
.about-flex p{color:var(--tx2);text-align:justify;margin-bottom:12px}
.about-flex img{border-radius:var(--r)}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ccard{position:relative;border-radius:var(--r);overflow:hidden}
.ccard img{width:100%;aspect-ratio:8/5;object-fit:cover;transition:.4s}
.ccard:hover img{transform:scale(1.06)}
.ccard h4{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.65));color:#fff;padding:28px 14px 10px;font-size:15px;font-weight:500}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.news-item{display:flex;padding:18px 0;border-bottom:1px dashed var(--bd)}
.news-item .num{font-size:26px;color:#d4dbe3;font-weight:700;width:52px;flex:none;line-height:1.3}
.news-item h4{font-size:16px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-item h4 a:hover{color:var(--c2)}
.news-item .des{color:var(--tx2);font-size:13px;margin-top:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item time{color:#999;font-size:13px;margin-top:4px;display:block}

/* ===== 内页头 ===== */
.nybanner{background:var(--c1);color:#fff;text-align:center;padding:52px 0}
.nybanner h1,.nybanner h3{font-size:26px}
.crumbs{font-size:13px;color:var(--tx2);padding:14px 0;border-bottom:1px solid var(--bd)}
.crumbs a:hover{color:var(--c2)}

/* 列表页 */
.list-layout{display:grid;grid-template-columns:240px 1fr;gap:28px;padding:32px 0}
.side{background:var(--bg);border-radius:var(--r);padding:18px 0;align-self:start}
.side h3{font-size:17px;padding:0 20px 12px;color:var(--c1);border-bottom:1px solid var(--bd)}
.side a{display:block;padding:11px 20px;font-size:15px;border-left:3px solid transparent}
.side a.on,.side a:hover{color:var(--c2);border-color:var(--c2);background:#fff}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.news-list .news-item{border-bottom:1px solid var(--bd);padding:22px 0}

/* 详情页 */
.detail{padding:36px 0}
.detail h1{font-size:24px;color:var(--c1)}
.detail .meta{color:#999;font-size:13px;margin:10px 0 22px}
.detail .meta span{margin-right:18px}
.content{font-size:15px;color:#3a3a3a;line-height:2}
.content p{margin-bottom:14px;text-align:justify}
.content img{border-radius:var(--r);margin:8px 0;max-width:100%;height:auto}
.content h2,.content h3{margin:22px 0 10px;color:var(--c1)}
.detail-gallery{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}
.detail-gallery img{border-radius:var(--r);cursor:zoom-in;aspect-ratio:1/1;object-fit:cover;width:100%}
.inquire{display:flex;gap:14px;margin:28px 0;padding:20px;background:var(--bg);border-radius:var(--r);align-items:center;flex-wrap:wrap}
.inquire p{flex:1;min-width:200px;color:var(--tx2);margin:0}
.rel-hd{font-size:20px;color:var(--c1);border-left:4px solid var(--c2);padding-left:12px;margin:44px 0 20px}

/* 单页/留言 */
.page-box{max-width:860px;margin:0 auto}
.form{background:var(--bg);padding:28px;border-radius:var(--r);margin-top:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--tx2);margin-bottom:6px}
.field input,.field textarea{width:100%;padding:10px 14px;border:1px solid var(--bd);border-radius:var(--r);font-size:14px;font-family:inherit;background:#fff;outline:none;transition:.2s}
.field input:focus,.field textarea:focus{border-color:var(--c2)}
.field textarea{min-height:120px;resize:vertical}
.form .btn{border:0;cursor:pointer}
.tip-ok{background:#e8f7ee;color:#1a7f4b;border:1px solid #bfe8cf;padding:12px 16px;border-radius:var(--r);margin-bottom:16px}
.contact-info p{margin-bottom:10px;font-size:15px}
.contact-info strong{color:var(--c1)}

/* 分页 */
.pager{text-align:center;padding:34px 0 10px}
.pager a,.pager span{display:inline-block;min-width:36px;padding:6px 12px;margin:0 4px;border:1px solid var(--bd);border-radius:6px;font-size:14px}
.pager .cur{background:var(--c1);color:#fff;border-color:var(--c1)}
.pager a:hover{border-color:var(--c2);color:var(--c2)}

/* ===== 浮窗 ===== */
.fwin{position:fixed;right:16px;bottom:90px;z-index:200;display:flex;flex-direction:column;gap:2px;background:#fff;border-radius:12px;box-shadow:0 6px 24px rgba(0,0,0,.14);overflow:hidden}
.fw-item{width:52px;height:52px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s}
.fw-item:hover{background:var(--bg)}
.fw-item svg{width:24px;height:24px;fill:var(--c1)}
.fw-item:hover svg{fill:var(--c2)}
.fw-pop:hover svg{fill:var(--c2)}
.fw-qrbox{position:fixed;right:80px;bottom:90px;z-index:201;background:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.18);padding:14px;text-align:center;display:none}
.fw-qrbox.show{display:block}
.fw-qrbox img{width:150px;height:150px}
.fw-qrbox p{font-size:13px;color:var(--tx2);margin-top:8px}

/* 页脚 */
.ft{background:#1b2734;color:#93a1b0;margin-top:60px;font-size:14px}
.ft a:hover{color:#fff}
.ft-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;padding:44px 16px 30px}
.ft h4{color:#fff;font-size:16px;margin-bottom:14px;font-weight:500}
.ft-col a,.ft-col p{display:block;margin-bottom:8px}
.ft-tel a{font-size:22px;color:#fff;font-weight:600}
.ft-qr{display:flex;gap:14px}
.ft-qr img{width:96px;height:96px;background:#fff;border-radius:6px}
.ft-qr p{text-align:center;font-size:12px;margin-top:4px}
.ft-links{border-top:1px solid rgba(255,255,255,.08);padding:14px 16px;font-size:13px}
.ft-links a{margin-right:16px}
.ft-copy{border-top:1px solid rgba(255,255,255,.08);padding:16px;font-size:13px;text-align:center;line-height:1.9}
.ft-copy a{color:#93a1b0}

/* 搜索框 */
.search-box{display:flex;max-width:520px;margin:0 auto 34px}
.search-box input{flex:1;padding:10px 16px;border:2px solid var(--c1);border-right:0;border-radius:var(--r) 0 0 var(--r);outline:none;font-size:14px}
.search-box button{background:var(--c1);color:#fff;border:0;padding:0 28px;border-radius:0 var(--r) var(--r) 0;cursor:pointer;font-size:14px}
.search-box button:hover{background:var(--c2)}

/* 空状态 */
.empty{text-align:center;color:#999;padding:70px 0}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .prod-grid,.case-grid,.grid4{grid-template-columns:repeat(3,1fr)}
  .ft-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:860px){
  .nav{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:8px 0 16px;box-shadow:0 12px 24px rgba(0,0,0,.1);display:none;gap:0}
  .nav.open{display:flex}
  .nav>a{line-height:48px;padding:0 24px}
  .nav-item>a{line-height:48px;padding:0 24px}
  .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;padding:0 0 4px 40px;display:none}
  .nav-item.open .sub{display:block}
  .nav-btn{display:block}
  .banner h3{font-size:22px}
  .banner p{font-size:14px;margin:6px 0 16px}
  .banner .txt{padding:0 6%}
  .sec{padding:44px 0}
  .sec-hd h2{font-size:24px}
  .prod-panel.on{grid-template-columns:1fr}
  .prod-panel .lead img{aspect-ratio:8/5}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .about-flex{grid-template-columns:1fr}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr;gap:0}
  .list-layout{grid-template-columns:1fr;padding:20px 0}
  .side{padding:10px 0}
  .grid3,.grid4{grid-template-columns:repeat(2,1fr)}
  .detail-gallery{grid-template-columns:1fr 1fr}
  .ft-grid{grid-template-columns:repeat(2,1fr)}
  .ft-qr img{width:80px;height:80px}
  .fwin{right:10px;bottom:70px}
  .fw-qrbox{right:10px;bottom:70px}
}
@media (max-width:480px){
  .prod-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .detail-gallery{grid-template-columns:1fr}
}

/* ===== 首页 v2（营销版） ===== */
.seo-h1{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hd-tel{display:flex;align-items:center;gap:6px;margin-left:18px;padding:8px 18px;border:1px solid var(--c2);border-radius:999px;color:var(--c2);font-weight:700;font-size:16px;white-space:nowrap}
.hd-tel svg{width:16px;height:16px;fill:currentColor}
.hd-tel:hover{background:var(--c2);color:#fff}
.banner .shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,26,42,.78) 0%,rgba(10,26,42,.45) 55%,rgba(10,26,42,.15) 100%);pointer-events:none}
.banner .btag{display:inline-block;background:rgba(255,122,0,.92);color:#fff;font-size:14px;font-weight:600;padding:5px 14px;border-radius:6px;margin-bottom:14px;letter-spacing:1px}
.banner h3{font-size:40px;font-weight:800}
.banner .btns{display:flex;gap:14px;flex-wrap:wrap}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.75);box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.14);transform:none}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:26px 0;border-bottom:1px solid var(--bd)}
.trust .ti{display:flex;align-items:center;gap:13px;justify-content:center}
.trust .ico{width:50px;height:50px;border-radius:50%;background:#fff3e6;display:flex;align-items:center;justify-content:center;flex:none}
.trust .ico svg{width:25px;height:25px;fill:var(--c2)}
.trust b{display:block;font-size:16px;color:var(--c1);line-height:1.4}
.trust small{display:block;font-size:12px;color:var(--tx2);line-height:1.5}
.prod-panel.on{display:block}
.prod-grid{grid-template-columns:repeat(4,1fr);gap:20px}
.pcard .pmask img{aspect-ratio:4/3}
.pcard .feats{display:flex;flex-wrap:wrap;gap:6px;padding:0 12px 14px;justify-content:center}
.pcard .feats span{font-size:12px;color:var(--tx2);background:var(--bg);border-radius:4px;padding:2px 10px}
.about-flex > a{display:block}
.about-flex img{width:100%;aspect-ratio:3/2;object-fit:cover}
.about-p{color:var(--tx2);text-align:justify}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:22px;text-align:center}
.stats b{display:block;font-size:24px;font-weight:800;color:var(--c2);line-height:1.4}
.stats small{font-size:13px;color:var(--tx2)}
.faq-list{max-width:900px;margin:0 auto}
.faq-list details{background:var(--bg);border-radius:var(--r);margin-bottom:12px;overflow:hidden}
.faq-list summary{list-style:none;cursor:pointer;padding:17px 22px;font-size:16px;font-weight:600;color:var(--tx);display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";color:var(--c2);font-size:22px;font-weight:600;flex:none}
.faq-list details[open] summary::after{content:"−"}
.faq-list .faq-a{padding:0 22px 18px;color:var(--tx2);font-size:14px;line-height:1.9}
.faq-list .faq-a a{color:var(--c2)}
.cta-bar{background:linear-gradient(135deg,#16324f,#1f4568);color:#fff;text-align:center;padding:42px 16px}
.cta-bar h2{font-size:24px;font-weight:700}
.cta-bar .tel{display:inline-block;font-size:38px;font-weight:800;color:var(--c2);margin:6px 0 2px;letter-spacing:1px}
.cta-bar p{color:#9fb0c2;font-size:14px}
@media (max-width:1100px){
  .hd-tel{display:none}
}
@media (max-width:860px){
  .trust{grid-template-columns:repeat(2,1fr);gap:12px}
  .trust .ti{justify-content:flex-start}
  .banner h3{font-size:24px}
  .banner .btag{font-size:12px;margin-bottom:8px}
  .banner .btns .btn{padding:8px 22px;font-size:14px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:14px}
  .stats b{font-size:20px}
  .cta-bar h2{font-size:18px}
  .cta-bar .tel{font-size:30px}
}
@media (max-width:480px){
  .trust{grid-template-columns:1fr 1fr}
  .prod-grid{grid-template-columns:1fr 1fr;gap:12px}
  .pcard h4{font-size:14px}
  .pcard .feats span{font-size:11px;padding:2px 6px}
}

/* 页脚品牌文案 */
.ft-desc{padding-top:34px}
.ft-desc p{font-size:13px;line-height:1.9;color:#93a1b0;max-width:1100px;margin:0 auto}