/*
Theme Name: OEMPress
Theme URI: https://oempress.dev
Description: B2B 企业站框架主题：产品目录 + 询盘转化。需配套 OEMPress Core 插件。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Author: OEMPress
Text Domain: oempress
*/

/* ============ 设计变量 ============ */
:root{
  --op-navy:#0d2c4f;
  --op-navy-deep:#092038;
  --op-blue:#1558a6;
  --op-blue-hover:#0f4685;
  --op-green:#1faa59;
  --op-ink:#17212e;
  --op-mut:#5c6a7a;
  --op-line:#e2e8f0;
  --op-bg:#f5f7fa;
  --op-white:#fff;
  --op-radius:10px;
  --op-shadow:0 8px 28px rgba(13,44,79,.09);
  --op-shadow-sm:0 3px 12px rgba(13,44,79,.07);
  --op-maxw:1200px;
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--op-ink);
  background:var(--op-white);
  line-height:1.65;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em;color:var(--op-ink);font-weight:700}
p{margin:0 0 1em}
.op-container{max-width:var(--op-maxw);margin:0 auto;padding:0 20px}
.op-ico{vertical-align:-4px;flex:none}
.small{font-size:13px;color:var(--op-mut)}
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
}

/* ============ 授权提示条 ============ */
.op-license-banner{
  background:#7a1f16;color:#fff;text-align:center;
  font-size:13px;padding:9px 16px;
}

/* ============ 按钮 ============ */
.op-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:8px;font-size:14px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .2s ease;
  line-height:1.4;white-space:nowrap;
}
.op-btn:active{transform:translateY(1px)}
.op-btn-primary{background:var(--op-blue);color:#fff}
.op-btn-primary:hover{background:var(--op-blue-hover);box-shadow:0 6px 18px rgba(21,88,166,.28)}
.op-btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.op-btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.op-btn-wa{background:var(--op-green);color:#fff}
.op-btn-wa:hover{filter:brightness(1.07);box-shadow:0 6px 18px rgba(31,170,89,.3)}
.op-btn-lg{padding:13px 30px;font-size:15px}
.op-btn.is-loading{opacity:.7;cursor:wait}
.op-btn:disabled{opacity:.6;cursor:not-allowed}

/* ============ 顶部信息条 ============ */
.op-topbar{background:var(--op-navy-deep);color:#c8d6e8;font-size:13px}
.op-topbar-in{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:12px}
.op-topbar-left,.op-topbar-right{display:flex;align-items:center;gap:18px}
.op-topbar a{display:inline-flex;align-items:center;gap:6px;transition:color .15s}
.op-topbar a:hover{color:#fff}
.op-topbar-quote{color:#ffd76e;font-weight:600}
@media (max-width:640px){
  .op-topbar-left a span{display:none}
  .op-topbar-right a span{display:none}
}

/* ============ 头部导航 ============ */
.op-header{background:#fff;border-bottom:1px solid var(--op-line);position:sticky;top:0;z-index:100;transition:box-shadow .25s}
.op-header.is-stuck{box-shadow:var(--op-shadow-sm)}
.op-header-in{display:flex;align-items:center;gap:28px;height:68px}
.op-logo{display:flex;align-items:center;font-weight:800;font-size:20px;color:var(--op-navy);white-space:nowrap}
.op-logo-img{max-height:44px;width:auto}
.op-nav{flex:1}
.op-nav-list{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.op-nav-list>li{position:relative}
.op-nav-list>li>a{
  display:inline-flex;align-items:center;gap:4px;
  padding:10px 14px;font-weight:600;font-size:14.5px;color:var(--op-ink);
  border-radius:8px;transition:color .15s,background .15s;
}
.op-nav-list>li>a:hover{color:var(--op-blue);background:#f0f5fb}
.op-nav-list>li>a .op-ico{transition:transform .2s}
/* 下拉 */
.op-sub{
  list-style:none;margin:0;padding:8px;min-width:230px;
  background:#fff;border:1px solid var(--op-line);border-radius:10px;box-shadow:var(--op-shadow);
  position:absolute;top:calc(100% + 6px);left:0;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.op-has-sub:hover .op-sub,.op-has-sub:focus-within .op-sub{opacity:1;visibility:visible;transform:none}
.op-sub li{position:relative}
.op-sub li a{display:block;padding:8px 12px;border-radius:6px;font-size:14px;transition:background .15s,color .15s}
.op-sub li a:hover{background:#f0f5fb;color:var(--op-blue)}
.op-sub li ul{list-style:none;margin:4px 0 4px;padding:0 0 0 12px;border-left:1px solid var(--op-line)}
.op-sub li ul a{font-size:13px;color:var(--op-mut);padding:6px 10px}
.op-header-cta{flex:none}
.op-burger{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--op-navy)}
/* 移动端抽屉 */
.op-drawer{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--op-line);box-shadow:var(--op-shadow);max-height:calc(100vh - 110px);overflow:auto}
.op-drawer-list{list-style:none;margin:0;padding:12px 20px 18px}
.op-drawer-list li a{display:block;padding:11px 4px;font-weight:600;border-bottom:1px solid #eef2f6}
.op-drawer-sub a{padding-left:18px;font-weight:500;color:var(--op-mut);font-size:14px}
.op-drawer-cta{margin-top:12px}
.op-drawer-cta .op-btn{width:100%}
@media (max-width:900px){
  .op-nav,.op-header-cta{display:none}
  .op-burger{display:block;margin-left:auto}
  .op-header-in{gap:12px}
}
@media (min-width:901px){
  .op-drawer{display:none !important}
}

/* ============ 首屏 Hero ============ */
.op-hero{
  background:linear-gradient(135deg,var(--op-navy) 0%,var(--op-navy-deep) 60%,#06182b 100%);
  background-size:cover;background-position:center;
  color:#fff;padding:72px 0 80px;position:relative;overflow:hidden;
}
.op-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 300px at 85% 15%,rgba(21,88,166,.35),transparent 70%);
}
.op-hero-in{position:relative;z-index:1;max-width:820px;margin-left:0;padding-left:20px}
.op-hero-kicker{
  display:inline-block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:#ffd76e;font-weight:700;margin:0 0 14px;
}
.op-hero h1{color:#fff;font-size:clamp(28px,5vw,46px);margin-bottom:16px;letter-spacing:-.01em}
.op-hero-sub{font-size:clamp(15px,2vw,18px);color:rgba(255,255,255,.82);max-width:640px;margin-bottom:28px}
.op-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.op-stats{display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.15);padding-top:26px}
.op-stat strong{display:block;font-size:clamp(22px,3vw,32px);font-weight:800;color:#ffd76e;line-height:1.1}
.op-stat span{font-size:13px;color:rgba(255,255,255,.7)}
@media (max-width:640px){
  .op-hero{padding:52px 0 56px}
  .op-stats{gap:24px}
}

/* ============ 通用 Section ============ */
.op-section{padding:64px 0}
.op-section-alt{background:var(--op-bg)}
.op-section-dark{background:linear-gradient(135deg,var(--op-navy),var(--op-navy-deep));color:#fff}
.op-section-dark h2,.op-section-dark h3{color:#fff}
.op-sec-head{position:relative;margin-bottom:38px}
.op-sec-head h2{font-size:clamp(22px,3vw,32px);margin:0}
.op-sec-head-light h2{color:#fff}
.op-kicker{font-size:13px;letter-spacing:.09em;text-transform:uppercase;color:var(--op-blue);font-weight:700;margin:0 0 8px}
.op-section-dark .op-kicker{color:#ffd76e}
.op-sec-more{position:absolute;right:0;bottom:4px;font-size:14px;font-weight:600;color:var(--op-blue);display:inline-flex;align-items:center;gap:4px}
.op-sec-more:hover{text-decoration:underline}
@media (max-width:640px){
  .op-section{padding:46px 0}
  .op-sec-more{position:static;display:inline-flex;margin-top:10px}
}

/* ============ 分类卡片 ============ */
.op-cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.op-cat-card{
  background:#fff;border:1px solid var(--op-line);border-radius:var(--op-radius);
  padding:26px 22px;display:flex;flex-direction:column;gap:6px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s;position:relative;
}
.op-cat-card:hover{transform:translateY(-4px);box-shadow:var(--op-shadow);border-color:transparent}
.op-cat-ico{
  width:54px;height:54px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf2fc,#dbe9fb);color:var(--op-blue);margin-bottom:10px;
}
.op-cat-name{font-size:17px;font-weight:700}
.op-cat-count{font-size:13px;color:var(--op-mut)}
.op-cat-go{position:absolute;right:20px;top:26px;color:var(--op-line);transition:color .2s,transform .2s}
.op-cat-card:hover .op-cat-go{color:var(--op-blue);transform:translateX(3px)}

/* ============ 产品卡片 ============ */
.op-prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.op-prod-grid-full{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.op-prod-card{
  background:#fff;border:1px solid var(--op-line);border-radius:var(--op-radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s;
}
.op-prod-card:hover{transform:translateY(-4px);box-shadow:var(--op-shadow);border-color:transparent}
.op-prod-img{aspect-ratio:4/3;background:#f0f4f8;overflow:hidden;display:flex;align-items:center;justify-content:center}
.op-prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.op-prod-card:hover .op-prod-img img{transform:scale(1.05)}
.op-prod-ph{color:#b6c4d4;display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.op-prod-ph-lg{aspect-ratio:4/3;background:#f0f4f8;border-radius:var(--op-radius)}
.op-prod-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:4px;flex:1}
.op-prod-model{font-size:12px;color:var(--op-blue);font-weight:700;letter-spacing:.03em;text-transform:uppercase}
.op-prod-name{font-size:15.5px;font-weight:700;line-height:1.4;flex:1}
.op-prod-cta{font-size:13px;font-weight:600;color:var(--op-blue);display:inline-flex;align-items:center;gap:4px;margin-top:8px;opacity:0;transform:translateY(4px);transition:opacity .2s,transform .2s}
.op-prod-card:hover .op-prod-cta{opacity:1;transform:none}
@media (max-width:640px){
  .op-prod-cta{opacity:1;transform:none}
}

/* ============ 优势卡片 ============ */
.op-feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.op-feat-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--op-radius);padding:26px 22px;transition:background .2s,transform .2s;
}
.op-feat-card:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.op-feat-ico{
  width:50px;height:50px;border-radius:12px;background:rgba(255,215,110,.15);color:#ffd76e;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.op-feat-card h3{font-size:17px;margin-bottom:8px}
.op-feat-card p{color:rgba(255,255,255,.72);font-size:14px;margin:0}

/* ============ 关于板块 ============ */
.op-about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.op-about-text h2{font-size:clamp(22px,3vw,30px)}
.op-about-media img{border-radius:var(--op-radius);box-shadow:var(--op-shadow)}
.op-about-ph{
  aspect-ratio:4/3;border-radius:var(--op-radius);display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf2fc,#dbe9fb);color:var(--op-blue);
}
@media (max-width:860px){
  .op-about-grid{grid-template-columns:1fr;gap:30px}
  .op-about-media{order:-1}
}

/* ============ 新闻卡片 ============ */
.op-news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.op-news-card{
  background:#fff;border:1px solid var(--op-line);border-radius:var(--op-radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s,border-color .22s;
}
.op-news-card:hover{transform:translateY(-4px);box-shadow:var(--op-shadow);border-color:transparent}
.op-news-img{aspect-ratio:16/9;overflow:hidden;background:#f0f4f8}
.op-news-img img{width:100%;height:100%;object-fit:cover}
.op-news-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:6px}
.op-news-date{font-size:12.5px;color:var(--op-mut)}
.op-news-title{font-weight:700;font-size:16px;line-height:1.4}
.op-news-ex{font-size:13.5px;color:var(--op-mut)}

/* ============ 询盘板块 ============ */
.op-inquiry{background:var(--op-bg)}
.op-inquiry-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
.op-inquiry-info .op-kicker{margin-bottom:8px}
.op-inquiry-info h2{font-size:clamp(22px,3vw,30px)}
.op-inq-contacts{list-style:none;margin:22px 0 26px;padding:0;display:flex;flex-direction:column;gap:12px}
.op-inq-contacts li{display:flex;align-items:flex-start;gap:10px;color:var(--op-ink);font-size:14.5px}
.op-inq-contacts .op-ico{color:var(--op-blue);margin-top:2px}
.op-inquiry-form-wrap{
  background:#fff;border-radius:var(--op-radius);padding:30px 28px;box-shadow:var(--op-shadow-sm);
  border:1px solid var(--op-line);
}
.op-inquiry-form .op-inq-row{margin-bottom:14px}
.op-inquiry-form label{display:block;font-size:13px;font-weight:600;color:var(--op-ink);margin-bottom:5px}
.op-inquiry-form input[type=text],.op-inquiry-form input[type=email],.op-inquiry-form textarea{
  width:100%;padding:10px 13px;border:1px solid var(--op-line);border-radius:8px;font-size:14px;
  font-family:inherit;background:#fbfcfe;transition:border-color .15s,box-shadow .15s;color:var(--op-ink);
}
.op-inquiry-form input:focus,.op-inquiry-form textarea:focus{
  outline:none;border-color:var(--op-blue);box-shadow:0 0 0 3px rgba(21,88,166,.12);background:#fff;
}
.op-inquiry-form textarea{resize:vertical;min-height:100px}
.op-field-err{border-color:#d93b2b !important;box-shadow:0 0 0 3px rgba(217,59,43,.1) !important}
.op-inq-product{font-size:13.5px;color:var(--op-blue);background:#eef5fd;padding:9px 12px;border-radius:8px;font-weight:600}
.op-hp{position:absolute !important;left:-9999px !important;height:1px;overflow:hidden}
.op-inq-submit{width:100%;margin-top:4px}
.op-inq-msg{font-size:13.5px;margin:12px 0 0;min-height:1em}
.op-inq-msg.is-ok{color:#137333}
.op-inq-msg.is-err{color:#b3261e}
@media (max-width:860px){
  .op-inquiry-grid{grid-template-columns:1fr;gap:30px}
}

/* ============ 内页头 ============ */
.op-page-hero{
  background:linear-gradient(135deg,var(--op-navy),var(--op-navy-deep));
  color:#fff;padding:44px 0;
}
.op-page-hero-slim{padding:22px 0}
.op-page-hero h1{color:#fff;font-size:clamp(24px,4vw,36px);margin:6px 0 0}
.op-page-hero-sub{color:rgba(255,255,255,.75);margin:12px 0 0;max-width:720px}
.op-breadcrumb{font-size:13px;color:rgba(255,255,255,.65);display:flex;gap:8px;flex-wrap:wrap;margin:0}
.op-breadcrumb a{color:rgba(255,255,255,.8)}
.op-breadcrumb a:hover{color:#fff;text-decoration:underline}
.op-post-meta{color:rgba(255,255,255,.7);font-size:13.5px;margin:12px 0 0}

/* ============ 产品列表页 ============ */
.op-archive-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.op-archive-bar .op-chips{margin-bottom:0}
.op-archive-count{font-size:13px;color:var(--op-mut);white-space:nowrap}
.op-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.op-prod-grid.is-loading{opacity:.45;pointer-events:none;transition:opacity .2s}
.op-loadmore-wrap{text-align:center}
.op-loadmore{margin-top:30px}
.op-js .op-pagination{display:none}
.op-chip{
  padding:7px 16px;border-radius:30px;border:1px solid var(--op-line);background:#fff;
  font-size:13.5px;font-weight:600;color:var(--op-mut);transition:all .18s;
}
.op-chip:hover{border-color:var(--op-blue);color:var(--op-blue)}
.op-chip.is-active{background:var(--op-blue);border-color:var(--op-blue);color:#fff}
.op-search{display:flex;gap:10px;max-width:520px;margin-bottom:30px}
.op-search input[type=search]{
  flex:1;padding:10px 14px;border:1px solid var(--op-line);border-radius:8px;font-size:14px;background:#fff;
}
.op-search input:focus{outline:none;border-color:var(--op-blue);box-shadow:0 0 0 3px rgba(21,88,166,.12)}
.op-pagination{margin-top:36px;text-align:center}
.op-pagination .nav-links{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.op-pagination .page-numbers{
  display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 10px;
  border:1px solid var(--op-line);border-radius:8px;font-size:14px;font-weight:600;color:var(--op-ink);transition:all .15s;
}
.op-pagination a.page-numbers:hover{border-color:var(--op-blue);color:var(--op-blue)}
.op-pagination .current{background:var(--op-blue);border-color:var(--op-blue);color:#fff}
.op-empty{text-align:center;padding:70px 20px;color:var(--op-mut)}
.op-empty .op-ico{color:#c3cfdd;margin-bottom:12px}

/* ============ 产品详情 ============ */
.op-prod-detail-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.op-gallery-main{border-radius:var(--op-radius);overflow:hidden;background:#f0f4f8;border:1px solid var(--op-line)}
.op-gallery-main img{width:100%;aspect-ratio:4/3;object-fit:cover}
.op-gallery-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.op-thumb{
  width:74px;height:74px;border-radius:8px;overflow:hidden;border:2px solid var(--op-line);
  padding:0;cursor:pointer;background:#f0f4f8;transition:border-color .15s;
}
.op-thumb img{width:100%;height:100%;object-fit:cover}
.op-thumb:hover{border-color:#9db4cc}
.op-thumb.is-active{border-color:var(--op-blue)}
.op-prod-cat-tag{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--op-blue);background:#eef5fd;
  padding:5px 12px;border-radius:30px;margin-bottom:12px;letter-spacing:.02em;
}
.op-prod-info h1{font-size:clamp(22px,3vw,30px);margin-bottom:10px}
.op-prod-model-lg{font-size:14.5px;color:var(--op-mut)}
.op-prod-model-lg strong{color:var(--op-ink)}
.op-prod-desc{color:var(--op-mut);font-size:14.5px}
.op-spec-table{width:100%;border-collapse:collapse;margin:18px 0 24px;font-size:14px;border:1px solid var(--op-line);border-radius:8px;overflow:hidden}
.op-spec-table th,.op-spec-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--op-line)}
.op-spec-table tr:last-child th,.op-spec-table tr:last-child td{border-bottom:0}
.op-spec-table th{width:42%;background:#f7f9fc;color:var(--op-mut);font-weight:600}
.op-prod-actions{display:flex;gap:12px;flex-wrap:wrap}
.op-prod-content{margin-top:52px}
.op-prod-content h2{font-size:22px;margin-bottom:16px}
.op-prod-content :is(img){border-radius:8px}
@media (max-width:860px){
  .op-prod-detail-grid{grid-template-columns:1fr;gap:30px}
}

/* ============ 通用内容页 ============ */
.op-page-content{max-width:860px}
.op-page-content h2,.op-post-content h2{font-size:22px;margin:1.4em 0 .6em}
.op-page-content h3,.op-post-content h3{font-size:18px;margin:1.3em 0 .5em}
.op-page-content p,.op-post-content p{margin-bottom:1.1em}
.op-page-content img,.op-post-content img{border-radius:8px}
.op-page-thumb{margin-bottom:26px}
.op-post-content{max-width:780px}
.op-contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:36px}
.op-contact-card{
  background:#fff;border:1px solid var(--op-line);border-radius:var(--op-radius);padding:22px 20px;
  transition:box-shadow .2s,transform .2s;
}
.op-contact-card:hover{box-shadow:var(--op-shadow-sm);transform:translateY(-2px)}
.op-contact-card .op-ico{color:var(--op-blue);margin-bottom:10px}
.op-contact-card h4{margin:0 0 6px;font-size:15px}
.op-contact-card p{margin:0;font-size:14px;color:var(--op-mut);word-break:break-word}
.op-contact-card a{color:var(--op-blue)}
.op-contact-card a:hover{text-decoration:underline}

/* ============ 页脚 ============ */
.op-footer{background:var(--op-navy-deep);color:#a9bbd1;font-size:14px;margin-top:0}
.op-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding:54px 20px 44px}
.op-footer h4{color:#fff;font-size:15px;margin:0 0 14px}
.op-footer-brand .op-logo{color:#fff;margin-bottom:14px}
.op-footer-brand p{font-size:13.5px;color:#8ba1bd;max-width:280px}
.op-footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.op-footer-links a{transition:color .15s}
.op-footer-links a:hover{color:#fff}
.op-footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.op-footer-contact li{display:flex;gap:9px;align-items:flex-start}
.op-footer-contact .op-ico{color:#ffd76e;margin-top:2px}
.op-footer-contact a:hover{color:#fff}
.op-footer-bar{border-top:1px solid rgba(255,255,255,.09)}
.op-footer-bar-in{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;padding:16px 20px;font-size:12.5px;color:#7d92ac}
@media (max-width:900px){
  .op-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:560px){
  .op-footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 20px 32px}
}

/* ============ WhatsApp 悬浮球 ============ */
.op-wa-float{
  width:52px;height:52px;border-radius:50%;background:var(--op-green);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(31,170,89,.4);transition:transform .2s;
}
.op-wa-float:hover{transform:scale(1.08)}

/* ============ v1.4 页眉对标优化 ============ */
.op-nav-list>li.op-mega-li{position:static}
.op-mega{
  position:absolute;top:100%;left:0;right:0;background:#fff;border-top:1px solid var(--op-line);
  box-shadow:var(--op-shadow);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;z-index:99;
}
.op-mega-li:hover .op-mega,.op-mega-li:focus-within .op-mega{opacity:1;visibility:visible;transform:none}
.op-mega .op-container{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:28px;padding-top:26px;padding-bottom:26px}
.op-mega-col h5,.op-mega-feat h5{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--op-mut);margin:0 0 12px;font-weight:700}
.op-mega-col ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.op-mega-col a{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:7px;font-size:14px;color:var(--op-ink);transition:background .15s,color .15s}
.op-mega-col a i{width:5px;height:5px;border-radius:50%;background:#b6c4d4;flex:none;transition:background .15s}
.op-mega-col a:hover{background:#f0f5fb;color:var(--op-blue)}
.op-mega-col a:hover i{background:var(--op-blue)}
.op-mega-feat{background:linear-gradient(150deg,var(--op-blue),var(--op-navy));border-radius:12px;padding:20px;color:#fff;display:flex;flex-direction:column}
.op-mega-feat h5{color:#ffd76e}
.op-mega-feat strong{font-size:17px;margin-bottom:6px}
.op-mega-feat p{font-size:13px;color:rgba(255,255,255,.8);margin:0 0 16px;flex:1}
.op-mega-btn{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#fff;color:var(--op-navy);font-weight:700;font-size:13.5px;border-radius:8px;padding:10px 14px;margin-top:8px;transition:transform .15s}
.op-mega-btn:hover{transform:translateX(2px)}
.op-mega-btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.op-sub-ind a{display:flex;align-items:center;gap:9px}
.op-sub-ind .op-ico{color:var(--op-blue)}
@media (max-width:900px){.op-mega{display:none}}

/* 首页快速搜索条 */
.op-quicksearch-band{background:#fff;border-bottom:1px solid var(--op-line);padding:18px 0}
.op-quicksearch{display:flex;align-items:center;gap:10px;max-width:760px;margin:0 auto;background:var(--op-bg);border:1.5px solid var(--op-line);border-radius:12px;padding:6px 6px 6px 16px;transition:border-color .15s,box-shadow .15s}
.op-quicksearch:focus-within{border-color:var(--op-blue);box-shadow:0 0 0 3px rgba(21,88,166,.12);background:#fff}
.op-quicksearch .op-ico{color:var(--op-mut);flex:none}
.op-quicksearch input{flex:1;border:0;background:transparent;font-size:15px;outline:none;color:var(--op-ink)}
.op-quicksearch-pop{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:10px;font-size:12.5px;color:var(--op-mut)}
.op-pop-tag{border:1px solid var(--op-line);border-radius:6px;padding:3px 10px;font-size:12.5px;color:var(--op-mut);background:#fff;transition:all .15s}
.op-pop-tag:hover{border-color:var(--op-blue);color:var(--op-blue)}

/* ============ v1.1 通用小件 ============ */
.op-dot{width:8px;height:8px;border-radius:50%;background:#e0432c;display:inline-block;margin-right:7px;vertical-align:1px}
.op-dot-green{background:#2ecc71}
.op-btn-outline{background:#fff;color:var(--op-blue);border-color:var(--op-blue)}
.op-btn-outline:hover{background:#eef5fd}
.op-btn-outline.is-added{background:var(--op-green);border-color:var(--op-green);color:#fff}
.op-flash{box-shadow:0 0 0 4px rgba(21,88,166,.25) !important;transition:box-shadow .3s}

/* ============ 公告跑马灯 ============ */
.op-announce{display:flex;align-items:stretch;background:#0a1e33;color:#dbe6f3;font-size:13px;position:relative;z-index:101}
.op-announce-hot{background:#d92b1c;color:#fff;font-weight:800;font-size:12px;letter-spacing:.06em;display:flex;align-items:center;padding:8px 14px;flex:none}
.op-announce-view{overflow:hidden;flex:1;display:flex;align-items:center}
.op-announce-track{display:flex;width:max-content;animation:op-marquee 36s linear infinite}
.op-announce:hover .op-announce-track{animation-play-state:paused}
.op-announce-group{display:flex;gap:56px;padding-right:56px;white-space:nowrap}
.op-announce-item::before{content:"•";color:#ffd76e;margin-right:10px}
.op-announce-close{background:none;border:0;color:#8ba1bd;cursor:pointer;padding:0 14px;flex:none}
.op-announce-close:hover{color:#fff}
@keyframes op-marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.op-announce-track{animation:none}}

/* ============ 头部动作区 ============ */
.op-header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.op-nav{flex:1}
.op-icon-btn{position:relative;background:none;border:0;cursor:pointer;color:var(--op-navy);padding:8px;border-radius:8px;transition:background .15s}
.op-icon-btn:hover{background:#f0f5fb}
.op-cart-count{
  position:absolute;top:0;right:0;min-width:17px;height:17px;border-radius:9px;background:#d92b1c;color:#fff;
  font-size:10.5px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px;
}
.op-cart-count.is-bump{animation:op-bump .4s ease}
@keyframes op-bump{0%{transform:scale(1)}40%{transform:scale(1.5)}100%{transform:scale(1)}}
.op-fly-dot{
  position:fixed;width:14px;height:14px;border-radius:50%;background:var(--op-blue);
  z-index:400;pointer-events:none;margin:-7px 0 0 -7px;
  transition:transform .6s cubic-bezier(.5,-.2,.75,1),opacity .6s;
}
.op-logo-badge{display:none}
.op-nav-list>li>a{white-space:nowrap}
@media (min-width:901px) and (max-width:1150px){
  .op-nav-list>li>a{padding:10px 9px;font-size:13.5px}
  .op-header-in{gap:16px}
}
@media (max-width:1080px){
  .op-header-cta{display:none}
}
[id]{scroll-margin-top:86px}

/* ============ 搜索弹层 ============ */
.op-search-overlay{position:fixed;inset:0;background:rgba(9,30,55,.55);backdrop-filter:blur(3px);z-index:200;display:flex;align-items:flex-start;justify-content:center;padding:14vh 20px 0}
.op-search-overlay-in{position:relative;width:min(680px,100%)}
.op-search-overlay-form{display:flex;gap:10px;background:#fff;border-radius:12px;padding:10px;box-shadow:var(--op-shadow)}
.op-search-overlay-form input{flex:1;border:0;font-size:16px;padding:8px 10px;outline:none}
.op-search-close{position:absolute;right:-46px;top:8px;background:none;border:0;color:#fff;cursor:pointer;padding:6px}

/* ============ 询盘车抽屉 ============ */
.op-quote-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(380px,94vw);background:#fff;z-index:210;
  display:flex;flex-direction:column;box-shadow:-12px 0 40px rgba(9,30,55,.18);
}
.op-quote-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--op-line)}
.op-quote-head h3{margin:0;font-size:16px}
.op-quote-count{background:#d92b1c;color:#fff;border-radius:10px;padding:1px 8px;font-size:12px;margin-left:6px}
.op-quote-head .op-search-close{position:static;color:var(--op-mut)}
.op-quote-body{flex:1;overflow:auto;padding:14px 18px}
.op-quote-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.op-quote-list li{display:flex;align-items:center;gap:10px;border:1px solid var(--op-line);border-radius:8px;padding:8px}
.op-quote-list img{width:46px;height:46px;object-fit:cover;border-radius:6px}
.op-quote-ph{width:46px;height:46px;border-radius:6px;background:#eef2f6}
.op-quote-item-t{flex:1;font-size:13px;line-height:1.4}
.op-quote-list button{border:0;background:none;color:#b3261e;font-size:16px;cursor:pointer;padding:4px}
.op-quote-empty{color:var(--op-mut);font-size:13px}
.op-quote-foot{padding:14px 18px;border-top:1px solid var(--op-line);display:flex;flex-direction:column;gap:8px}
.op-quote-clear{background:none;border:0;color:var(--op-mut);cursor:pointer;font-size:12.5px}
.op-drawer-mask{position:fixed;inset:0;background:rgba(9,30,55,.4);z-index:205}

/* ============ Hero 双栏 + 证书卡 ============ */
.op-hero-grid{display:grid;grid-template-columns:1fr;gap:40px;position:relative;z-index:1}
@media (min-width:980px){
  .op-hero-split .op-hero-grid{grid-template-columns:1.25fr .9fr;align-items:center}
}
.op-cert-card{
  background:#fff;border-radius:12px;overflow:hidden;max-width:430px;width:100%;
  box-shadow:0 24px 60px rgba(0,0,0,.35);margin:0 auto;
}
.op-cert-head{display:flex;justify-content:space-between;align-items:center;padding:13px 18px;background:#f7f9fc;border-bottom:1px solid var(--op-line);font-size:12px;font-weight:700;letter-spacing:.06em;color:#334155}
.op-cert-year{color:#94a3b8;font-weight:600}
.op-cert-body{padding:20px 22px}
.op-cert-img{position:relative;border-radius:8px;overflow:hidden;margin-bottom:14px;background:#eef2f6}
.op-cert-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.op-cert-badge{position:absolute;top:10px;right:10px;background:#d92b1c;color:#fff;font-size:11px;font-weight:800;letter-spacing:.05em;padding:4px 10px;border-radius:4px}
.op-cert-title{font-weight:800;font-size:14px;letter-spacing:.04em;margin:0 0 4px;color:var(--op-navy)}
.op-cert-company{color:var(--op-mut);font-size:13px;margin:0}
.op-cert-foot{border-top:1px solid var(--op-line);padding:12px 18px;font-size:12.5px;color:#334155;display:flex;justify-content:space-between}

/* ============ 行业方案 ============ */
.op-ind-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.op-ind-card{background:#fff;border:1px solid var(--op-line);border-radius:var(--op-radius);padding:24px 22px;transition:transform .2s,box-shadow .2s,border-color .2s}
.op-ind-card:hover{transform:translateY(-4px);box-shadow:var(--op-shadow);border-color:transparent}
.op-ind-ico{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,#eaf2fc,#dbe9fb);color:var(--op-blue);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.op-ind-card h3{font-size:16px;margin-bottom:6px}
.op-ind-card p{font-size:13.5px;color:var(--op-mut);margin:0}

/* ============ 服务流程 ============ */
.op-steps{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px;margin:0;padding:0;counter-reset:opstep}
.op-step{position:relative;padding:0 8px}
.op-step::after{content:"";position:absolute;top:22px;right:-12%;width:60%;border-top:2px dashed var(--op-line)}
.op-step:last-child::after{display:none}
.op-step-num{
  width:46px;height:46px;border-radius:50%;background:var(--op-navy);color:#ffd76e;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;position:relative;z-index:1;
}
.op-step h3{font-size:15.5px;margin-bottom:6px}
.op-step p{font-size:13px;color:var(--op-mut);margin:0}
@media (max-width:760px){.op-step::after{display:none}}

/* ============ 客户评价 ============ */
.op-testi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.op-testi-card{background:#fff;border:1px solid var(--op-line);border-radius:var(--op-radius);padding:24px 22px;margin:0;display:flex;flex-direction:column;gap:14px}
.op-testi-card blockquote{margin:0;font-size:14.5px;line-height:1.7;color:#334155;flex:1}
.op-testi-card blockquote::before{content:"“";color:var(--op-blue);font-size:26px;font-weight:800;display:block;line-height:.6;margin-bottom:8px}
.op-testi-card figcaption{display:flex;flex-direction:column;gap:2px}
.op-testi-card strong{font-size:14px}
.op-testi-card span{font-size:12.5px;color:var(--op-mut)}

/* ============ 页脚订阅 ============ */
.op-newsletter{background:linear-gradient(120deg,var(--op-blue),#0d3c74);color:#fff;padding:34px 0}
.op-newsletter-in{display:flex;align-items:center;gap:26px;flex-wrap:wrap;position:relative}
.op-newsletter h4{color:#fff;margin:0 0 4px;font-size:18px}
.op-newsletter p{margin:0;color:rgba(255,255,255,.75);font-size:13px}
.op-newsletter-form{display:flex;gap:10px;flex:1;min-width:260px;max-width:460px;margin-left:auto}
.op-newsletter-form input{flex:1;border:0;border-radius:8px;padding:11px 14px;font-size:14px}
.op-newsletter-msg{position:absolute;left:0;bottom:-22px;font-size:12.5px;margin:0}
.op-newsletter-msg.is-ok{color:#b8f5cd}
.op-newsletter-msg.is-err{color:#ffd2cc}

/* ============ 右下角悬浮栈（返回顶部 + WhatsApp） ============ */
.op-right-stack{position:fixed;right:18px;bottom:22px;z-index:95;display:flex;flex-direction:column;align-items:center;gap:10px}
.op-back-top{
  width:46px;height:46px;border-radius:50%;background:#fff;color:var(--op-blue);
  border:1px solid var(--op-line);box-shadow:0 8px 22px rgba(9,30,55,.16);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .25s,transform .25s,color .15s;
}
.op-back-top .op-ico{transform:rotate(-90deg)}
.op-back-top.is-show{opacity:1;pointer-events:auto;transform:none}
.op-back-top:hover{color:var(--op-blue-hover);border-color:var(--op-blue)}
@media (max-width:640px){.op-right-stack{right:12px;bottom:12px}}

/* ============ 在线聊天（左下） ============ */
.op-chat{position:fixed;left:18px;bottom:22px;z-index:95}
.op-chat-bubble{display:flex;align-items:center;gap:0;background:#fff;border:0;border-radius:40px;box-shadow:0 10px 30px rgba(9,30,55,.22);cursor:pointer;padding:0;overflow:hidden}
.op-chat-bubble-card{display:flex;flex-direction:column;align-items:flex-start;padding:9px 14px;text-align:left}
.op-chat-bubble-card strong{font-size:13.5px;color:var(--op-ink)}
.op-chat-bubble-card span{font-size:11.5px;color:#137333}
.op-chat-bubble-ico{background:var(--op-blue);color:#fff;width:46px;height:46px;display:flex;align-items:center;justify-content:center;position:relative}
.op-chat-bubble-ico .op-dot{position:absolute;top:8px;right:8px;margin:0;width:7px;height:7px;background:#2ecc71;border:1.5px solid #fff}
.op-chat-panel{
  position:absolute;bottom:64px;left:0;width:min(320px,calc(100vw - 36px));background:#fff;border-radius:12px;overflow:hidden;
  box-shadow:0 20px 50px rgba(9,30,55,.3);display:flex;flex-direction:column;
}
.op-chat-head{display:flex;justify-content:space-between;align-items:center;background:var(--op-navy);color:#fff;padding:12px 16px}
.op-chat-head strong{font-size:14px;display:block}
.op-chat-head span{font-size:11.5px;color:#bfe3c9}
.op-chat-head .op-dot{background:#2ecc71;width:7px;height:7px}
.op-chat-head button{background:none;border:0;color:#cfe0f4;cursor:pointer}
.op-chat-body{padding:16px}
.op-chat-hello{font-size:13px;color:var(--op-mut);background:#f5f7fa;border-radius:8px;padding:10px 12px}
.op-chat-form{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.op-chat-form input,.op-chat-form textarea{border:1px solid var(--op-line);border-radius:7px;padding:8px 10px;font-size:13px;font-family:inherit}
.op-chat-form input:focus,.op-chat-form textarea:focus{outline:none;border-color:var(--op-blue)}
.op-chat-msg{font-size:12.5px;margin:6px 0 0}
.op-chat-msg.is-ok{color:#137333}
.op-chat-msg.is-err{color:#b3261e}
@media (max-width:640px){
  .op-chat-bubble-card{display:none}
  .op-chat-bubble{border-radius:50%}
}

/* ============ 挽留弹窗 ============ */
.op-popup{position:fixed;inset:0;background:rgba(9,30,55,.55);backdrop-filter:blur(3px);z-index:300;display:flex;align-items:center;justify-content:center;padding:20px}
.op-popup-card{position:relative;background:#fff;border-radius:14px;max-width:440px;width:100%;padding:40px 34px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.op-popup-card h3{font-size:21px;margin-bottom:10px}
.op-popup-card p{color:var(--op-mut);font-size:14px;margin-bottom:22px}
.op-popup-close{position:absolute;top:12px;right:12px;background:none;border:0;color:var(--op-mut);cursor:pointer;padding:6px}

/* ============ 产品卡加购按钮 ============ */
.op-quote-add{
  position:absolute;right:10px;bottom:10px;background:rgba(255,255,255,.95);color:var(--op-blue);
  border:1px solid var(--op-blue);border-radius:20px;font-size:12px;font-weight:700;padding:5px 12px;cursor:pointer;
  opacity:0;transform:translateY(4px);transition:all .2s;
}
.op-prod-card:hover .op-quote-add,.op-quote-add.is-added{opacity:1;transform:none}
.op-quote-add.is-added{background:var(--op-green);border-color:var(--op-green);color:#fff}
.op-prod-img{position:relative}
@media (max-width:640px){.op-quote-add{opacity:1;transform:none}}