/*
Theme Name: 锐沃业工业阀门
Author: 锐沃业技术团队
Description: 中国工业企业官网主题（简体中文）。首屏为纯图片轮播，包含企业简介、数据展示、产品中心、核心优势、应用行业、新闻资讯、质量认证与在线询价等模块，适用于阀门、机械装备及工业制造企业。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rxwuye
Domain Path: /languages
Tags: one-column, full-width-template, custom-logo, custom-menu, featured-images, theme-options, translation-ready, accessibility-ready
*/

:root{--brand:#0b4f9c;--brand-dark:#083a74;--accent:#e8702a;--ink:#1d2733;--muted:#5d6b7a;--line:#e3e8ef;--soft:#f4f6f9}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ffb703;outline-offset:2px}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,h4{line-height:1.35}
.wrap{width:min(1200px,92%);margin:0 auto}
.narrow{max-width:860px}
.center{text-align:center}
.screen-reader-text{position:absolute!important;clip:rect(1px,1px,1px,1px);width:1px;height:1px;overflow:hidden;word-wrap:normal}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:10px;top:10px;width:auto;height:auto;overflow:visible;background:#fff;color:var(--brand);padding:8px 14px;z-index:999;border-radius:4px}

/* 顶部信息条 */
.topbar{background:#0a2a52;color:#c9d6e6;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar .links{display:flex;gap:18px}
.topbar a:hover{color:#fff}

/* 页头 */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 12px rgba(16,40,70,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:82px;gap:20px}
.logo{display:flex;align-items:center}
.logo .custom-logo{max-height:56px;width:auto}
.logo-link{display:flex;align-items:center;gap:12px}
.logo-mark{width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#2b7dd6);display:grid;place-items:center;color:#fff;font-weight:700;font-size:20px;letter-spacing:1px}
.logo-text b{display:block;font-size:20px;color:var(--brand-dark);letter-spacing:1px}
.logo-text span{font-size:12px;color:var(--muted);letter-spacing:.5px}
.site-nav{display:block}
.nav-list{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.nav-list a{display:block;padding:8px 14px;font-size:15px;border-radius:6px}
.nav-list a:hover,.nav-list .current-menu-item>a{color:var(--brand);background:#eef4fb}
.btn-quote{background:var(--accent);color:#fff;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:600;white-space:nowrap}
.btn-quote:hover{background:#d25f1d;color:#fff}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:6px 10px;font-size:18px;cursor:pointer;color:var(--ink)}

/* 首屏幻灯片（纯大图） */
.hero{position:relative;height:580px;overflow:hidden;background:#0c1b2d}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;background-size:cover;background-position:center;background-repeat:no-repeat}
.slide.active{opacity:1}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.25),rgba(0,0,0,0) 40%)}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:48px;height:48px;border-radius:50%;border:none;background:rgba(255,255,255,.18);color:#fff;font-size:26px;cursor:pointer;display:grid;place-items:center}
.hero-arrow:hover{background:rgba(255,255,255,.4)}
.hero-arrow.prev{left:24px}
.hero-arrow.next{right:24px}
.hero-dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.hero-dots button{width:34px;height:4px;border:none;border-radius:2px;background:rgba(255,255,255,.45);cursor:pointer;padding:0}
.hero-dots button.active{background:#fff;width:52px}

/* 通用区块 */
.section{padding:84px 0}
.section.alt{background:var(--soft)}
.eyebrow{display:block;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:6px}
.title{font-size:32px;font-weight:700;color:var(--brand-dark);margin:0 0 10px}
.lead{color:var(--muted);margin:0 0 40px;max-width:720px}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px}
.more-link{color:var(--brand);font-weight:600;font-size:14px;border-bottom:1px solid currentColor;padding-bottom:2px}
.btn-line{display:inline-block;margin-top:28px;border:1.5px solid var(--brand);color:var(--brand);padding:11px 26px;border-radius:6px;font-weight:600}
.btn-line:hover{background:var(--brand);color:#fff}

/* 企业简介 */
.intro{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.intro img{border-radius:10px;width:100%;height:440px;object-fit:cover;box-shadow:0 18px 40px rgba(16,40,70,.15)}
.lead-body{margin-bottom:12px}
.checklist{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.checklist li{position:relative;padding-left:26px}
.checklist li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:3px;background:var(--brand)}

/* 数据条 */
.stats{background:linear-gradient(120deg,var(--brand-dark),var(--brand));color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;padding:52px 0}
.stat-num{font-size:44px;font-weight:700;line-height:1.1}
.stat-num small{font-size:20px;margin-left:4px}
.stat-label{font-size:14px;opacity:.85;margin-top:6px}
.stat+.stat{border-left:1px solid rgba(255,255,255,.2)}

/* 产品中心 */
.products{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.product{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.product:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(16,40,70,.12)}
.product .pic{height:200px;overflow:hidden;background:#dfe6ee}
.product .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product:hover .pic img{transform:scale(1.06)}
.product .body{padding:18px 20px 22px}
.product .cat{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:1px}
.product h3{margin:4px 0 6px;font-size:18px;color:var(--brand-dark)}
.product p{margin:0;font-size:14px;color:var(--muted)}

/* 核心优势 */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.adv-card{background:#fff;border-radius:10px;padding:34px 26px;border-top:4px solid var(--brand);box-shadow:0 8px 24px rgba(16,40,70,.06)}
.adv-no{font-size:34px;font-weight:800;color:#c7d6ea;line-height:1}
.adv-card h3{font-size:19px;margin:18px 0 10px;color:var(--brand-dark)}
.adv-card p{margin:0;color:var(--muted);font-size:14px}

/* 应用行业 */
.industries{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.ind{border:1px solid var(--line);border-radius:10px;padding:26px 14px;text-align:center;background:#fff;transition:all .2s}
.ind:hover{border-color:var(--brand);background:var(--brand);color:#fff}
.ind .ico{width:52px;height:52px;margin:0 auto 12px;border-radius:50%;background:#eef4fb;color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:18px;transition:all .2s}
.ind:hover .ico{background:#fff}
.ind b{font-size:15px}

/* 新闻资讯 */
.news{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}
.news-card{background:#fff;border-radius:10px;overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.news-card img{width:100%;height:220px;object-fit:cover}
.news-card .body{padding:22px 24px 26px}
.date{font-size:13px;color:var(--accent);font-weight:600}
.card-title{margin:8px 0 10px;font-size:18px;line-height:1.5}
.card-title a:hover{color:var(--brand)}
.news-card p{margin:0;color:var(--muted);font-size:14px}
.list-grid{grid-template-columns:repeat(2,1fr)}
.pagination{margin-top:30px}
.pagination .nav-links{display:flex;gap:8px;flex-wrap:wrap}
.pagination .page-numbers{padding:8px 14px;border:1px solid var(--line);border-radius:6px;background:#fff}
.pagination .current{background:var(--brand);color:#fff;border-color:var(--brand)}

/* 质量认证 */
.certs{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cert{border:1px dashed #b9c8da;border-radius:10px;padding:28px 12px;text-align:center;background:#fff}
.cert b{display:block;color:var(--brand-dark);font-size:17px}
.cert span{font-size:13px;color:var(--muted)}

/* 联系与询价 */
.contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px}
.info-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.info-item .k{flex:0 0 42px;height:42px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.info-item h4{margin:0 0 4px;font-size:15px;color:var(--brand-dark)}
.info-item p{margin:0;color:var(--muted);font-size:14px}
.quote-form{background:#fff;border:1px solid var(--line);border-radius:12px;padding:34px;box-shadow:0 12px 32px rgba(16,40,70,.07)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.quote-form label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.quote-form input,.quote-form select,.quote-form textarea{width:100%;padding:11px 13px;border:1px solid #cfd8e3;border-radius:6px;font:inherit;font-size:14px;background:#fff;color:var(--ink)}
.quote-form textarea{resize:vertical;min-height:110px}
.btn-submit{margin-top:18px;width:100%;background:var(--brand);color:#fff;border:none;padding:14px;border-radius:6px;font-size:16px;font-weight:600;cursor:pointer}
.btn-submit:hover{background:var(--brand-dark)}
.notice{margin-bottom:18px;padding:12px 16px;border-radius:6px;font-size:14px}
.notice.ok{background:#e8f6ee;color:#1e7b3a}
.notice.fail{background:#fdecea;color:#c0392b}

/* 页脚 */
.site-footer{background:#0d1b2a;color:#aebccd;padding-top:64px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h4{color:#fff;font-size:16px;margin:0 0 18px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.site-footer a:hover{color:#fff}
.footer-brand b{color:#fff}
.footer-brand span{color:#8fa0b5}
.footer-desc{margin-top:18px;line-height:1.9}
.footer-bottom{margin-top:48px;border-top:1px solid #1e3148;padding:22px 0 28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#7d8ea3}

.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;border:none;font-size:18px;cursor:pointer;box-shadow:0 8px 20px rgba(11,79,156,.35);opacity:0;pointer-events:none;transition:opacity .3s;z-index:40}
.to-top.show{opacity:1;pointer-events:auto}

/* 响应式 */
@media (max-width:1100px){
  .nav-list a{padding:8px 9px;font-size:14px}
  .btn-quote{display:none}
  .products{grid-template-columns:repeat(2,1fr)}
  .adv{grid-template-columns:repeat(2,1fr)}
  .industries{grid-template-columns:repeat(3,1fr)}
  .certs{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:920px){
  .menu-toggle{display:inline-block}
  .site-nav{position:absolute;top:82px;left:0;right:0;background:#fff;display:none;padding:12px 4%;box-shadow:0 12px 24px rgba(0,0,0,.1)}
  .site-nav.open{display:block}
  .nav-list{flex-direction:column}
  .nav-list a{padding:12px 10px;border-bottom:1px solid var(--line);border-radius:0}
  .intro,.contact{grid-template-columns:1fr;gap:36px}
  .intro img{height:320px}
  .news,.list-grid{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:none}
  .stat:nth-child(n+3){border-top:1px solid rgba(255,255,255,.2)}
  .title{font-size:26px}
}
@media (max-width:640px){
  .hero{height:320px}
  .hero-arrow{width:38px;height:38px;font-size:20px}
  .section{padding:56px 0}
  .products,.adv{grid-template-columns:1fr}
  .industries,.certs{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .topbar .wrap{justify-content:center}
  .topbar .links{display:none}
  .header-inner{height:70px}
  .site-nav{top:70px}
  .logo-text b{font-size:17px}
}