/*
Theme Name: HongTai 宏泰高新
Theme URI: https://www.hongtai.com
Author: HongTai
Description: 河南宏泰高新材料有限公司官网主题，蓝色系现代企业风格
Version: 1.0.0
Text Domain: hongtai
Requires PHP: 7.4
Requires at least: 6.0
*/

/* ============ 设计令牌 ============ */
:root{
  --bg:#F6F3EE;
  --bg-soft:#EFEAE2;
  --surface:#FFFFFF;
  --ink:#1E1B16;
  --ink-soft:#6B655C;
  --line:#E4DED4;
  --accent:#1B4A8A;
  --accent-deep:#102F5E;
  --wood:#8FA3C4;
  --serif:'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --maxw:1280px;
  --nav-h:84px;
  --radius:2px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px;}

/* 中英双语眉标 */
.eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:10px;}
.eyebrow .zh{font-size:13px;letter-spacing:.42em;color:var(--accent);font-weight:500;}
.eyebrow .en{font-size:11px;letter-spacing:.24em;color:var(--ink-soft);text-transform:uppercase;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--wood);}
.section-title{font-family:var(--serif);font-size:clamp(28px,4vw,42px);font-weight:600;letter-spacing:.02em;line-height:1.25;}
.section-sub{color:var(--ink-soft);max-width:640px;margin-top:14px;font-size:15px;}

/* 顶部导航 */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);background:rgba(246,243,238,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:.3s;}
.nav-inner{height:100%;display:flex;align-items:center;}
.logo{display:flex;align-items:center;gap:12px;}
.logo .logo-img{width:64px;height:64px;object-fit:contain;flex-shrink:0;}
.logo .txt{font-family:var(--serif);font-weight:600;font-size:18px;white-space:nowrap;line-height:1.2;display:flex;flex-direction:column;align-items:flex-start;}
.logo .txt .zh{display:block;text-align:left;width:100%;}
.logo .txt small{display:block;font-family:var(--sans);font-size:10px;letter-spacing:.14em;color:var(--ink-soft);font-weight:400;white-space:nowrap;margin-top:16px;text-align:left;}
.nav-links{display:flex;align-items:center;gap:34px;margin-left:100px;flex:1;}
.nav-links li{list-style:none;display:flex;align-items:center;}
.nav-links a{font-size:15px;color:var(--ink);position:relative;padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:.25s;}
.nav-links a:hover::after,.nav-links a.current-menu-item::after{width:100%;}
.nav-links a:hover,.nav-links a.current-menu-item{color:var(--accent);}
.nav-cta{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--ink);letter-spacing:.04em;border-left:1px solid var(--line);padding-left:28px;margin-left:auto;cursor:default;}
.nav-cta svg{color:var(--accent);}

/* 汉堡菜单 */
.nav-toggle{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:8px;margin-left:14px;}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s;}

/* 全屏菜单 */
.fullmenu{display:none;position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:rgba(246,243,238,.98);z-index:99;overflow-y:auto;}
.fullmenu.open{display:block;}
.fullmenu-inner{max-width:var(--maxw);margin:0 auto;padding:48px 40px;}
.fullmenu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;}
.fullmenu-col h4{font-size:15px;letter-spacing:.24em;color:var(--ink-soft);margin-bottom:16px;font-weight:600;}
.fullmenu-col ul{list-style:none;padding:0;margin:0;}
.fullmenu-col li{list-style:none;padding:0;margin:0;}
.fullmenu-col a{display:block;font-family:var(--serif);font-size:15px;color:var(--ink);padding:8px 0;transition:.2s;font-weight:400;list-style:none;}
.fullmenu-col a:hover{color:var(--accent);padding-left:6px;}

/* ============ 首页 Hero ============ */
.hero{position:relative;height:92vh;min-height:600px;margin-top:56px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(30,27,22,.18) 0%,rgba(30,27,22,.05) 40%,rgba(30,27,22,.55) 100%);}
.hero-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;padding-top:40px;}
.hero-eyebrow{color:#DCE5DE;letter-spacing:.5em;font-size:12px;margin-bottom:18px;}
.hero-title{font-family:var(--serif);color:#fff;font-size:clamp(34px,6vw,64px);font-weight:700;line-height:1.18;text-shadow:0 2px 18px rgba(0,0,0,.25);}
.hero-title em{font-style:normal;color:var(--wood);}
.hero-sub{color:rgba(255,255,255,.9);margin-top:20px;max-width:520px;font-size:16px;font-weight:300;}
.hero-cta{margin-top:36px;display:flex;gap:16px;align-items:center;}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 28px;font-size:14px;letter-spacing:.08em;cursor:pointer;transition:.25s;border:none;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-deep);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7);}
.btn-ghost:hover{background:rgba(255,255,255,.12);}
.hero-arrow{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);color:#fff;opacity:.7;animation:float 2.4s ease-in-out infinite;z-index:2;}
@keyframes float{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,10px)}}

/* 通用板块 */
.section{padding:96px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:48px;}
.sec-pad-top{padding-top:var(--nav-h);}

/* 公司简介 */
.intro-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:center;}
.intro-media{position:relative;}
.intro-media img{width:100%;height:560px;object-fit:cover;}
.intro-frame{position:absolute;top:22px;left:22px;right:-22px;bottom:-22px;border:1px solid var(--wood);z-index:-1;}
.intro-badge{position:absolute;bottom:-30px;right:-10px;background:var(--accent);color:#fff;padding:22px 30px;font-family:var(--serif);}
.intro-badge b{display:block;font-size:30px;font-weight:700;}
.intro-badge span{font-size:12px;letter-spacing:.2em;color:#DCE5DE;}
.intro-text p{color:var(--ink-soft);margin-bottom:18px;font-size:15px;}
.intro-features{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 32px;}
.feat{background:var(--surface);border-left:3px solid var(--accent);padding:16px 18px;}
.feat b{font-family:var(--serif);font-size:16px;display:block;margin-bottom:4px;}
.feat span{font-size:13px;color:var(--ink-soft);}

/* 品牌故事 */
.story{position:relative;height:60vh;min-height:440px;overflow:hidden;}
.story img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.story::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,27,22,.62) 0%,rgba(30,27,22,.15) 70%);}
.story-inner{position:relative;z-index:2;height:100%;display:flex;align-items:center;}
.story-copy{max-width:560px;color:#fff;}
.story-copy .eyebrow .en,.story-copy .eyebrow .zh{color:#E4DED4;}
.story-copy .eyebrow::before{background:#fff;}
.story-title{font-family:var(--serif);font-size:clamp(28px,4vw,44px);font-weight:600;line-height:1.25;}
.story-copy p{color:rgba(255,255,255,.85);margin-top:16px;font-size:15px;}

/* 产品系列网格 */
.decor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.decor-card{background:var(--surface);overflow:hidden;transition:.3s;}
.decor-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(30,27,22,.08);}
.decor-media{position:relative;aspect-ratio:3/4;overflow:hidden;}
.decor-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.decor-card:hover .decor-media img{transform:scale(1.05);}
.decor-media .vtext{position:absolute;left:14px;bottom:14px;writing-mode:vertical-rl;color:#fff;font-size:11px;letter-spacing:.35em;text-shadow:0 1px 8px rgba(0,0,0,.4);}
.decor-media .tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--accent);font-size:11px;padding:4px 10px;letter-spacing:.15em;}
.decor-body{padding:20px 22px 22px;}
.decor-body h3{font-family:var(--serif);font-size:19px;font-weight:600;margin-bottom:4px;}
.decor-body .en{font-size:12px;color:var(--ink-soft);letter-spacing:.2em;text-transform:uppercase;}

/* 营销网络 */
.network{background:var(--bg-soft);}
.network-box{max-width:720px;margin:0 auto;text-align:center;}
.network-box .section-title{font-size:clamp(26px,3.5vw,36px);}
.network-box p{color:var(--ink-soft);margin-top:16px;font-size:15px;}
.network-box .btn{margin-top:32px;}

/* 空间方案 */
.space-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.space-card{position:relative;height:480px;overflow:hidden;color:#fff;}
.space-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.space-card:hover img{transform:scale(1.06);}
.space-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(20,18,14,.75) 100%);}
.space-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px 28px;}
.space-info .zh{font-family:var(--serif);font-size:24px;font-weight:600;}
.space-info .en{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.8);margin-bottom:6px;}
.space-info p{font-size:13px;color:rgba(255,255,255,.85);margin-top:8px;max-width:90%;}

/* 页脚 */
.site-footer{background:var(--accent-deep);color:#E9E4DA;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .logo .txt{color:#fff;}
.footer-brand p{font-size:13px;color:rgba(233,228,218,.75);margin-top:16px;max-width:340px;}
.footer-col h4{font-size:14px;letter-spacing:.15em;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{list-style:none;padding:0;margin:0;}
.footer-col a{display:block;font-size:13px;color:rgba(233,228,218,.75);padding:6px 0;transition:.2s;list-style:none;}
.footer-col a:hover{color:#fff;}
.footer-contact div{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(233,228,218,.85);padding:8px 0;}
.footer-contact svg{flex-shrink:0;margin-top:4px;}
.footer-bottom{padding:24px 0;text-align:center;font-size:12px;color:rgba(233,228,218,.6);}
.footer-bottom a{color:rgba(233,228,218,.8);}

/* 内页 Page Hero */
.page-hero{position:relative;height:clamp(260px,36vw,400px);margin-top:56px;background-size:cover;background-position:center;color:#fff;overflow:hidden;}

/* 面包屑 */
.crumb-bar{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:16px 0;}
.crumb{font-size:13px;color:var(--ink-soft);display:flex;gap:8px;align-items:center;}
.crumb a{color:var(--ink-soft);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--wood);}

/* 产品系列页 */
.cat-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:48px;}
.cat-tab{padding:10px 22px;border:1px solid var(--line);background:var(--surface);font-size:14px;cursor:pointer;transition:.2s;}
.cat-tab:hover{border-color:var(--accent);color:var(--accent);}
.cat-tab.active{background:var(--accent);color:#fff;border-color:var(--accent);}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.prod-card{background:var(--surface);transition:.3s;}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(30,27,22,.07);}
.prod-media{position:relative;aspect-ratio:1/1.25;overflow:hidden;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;}
.prod-media img{width:86%;height:auto;object-fit:cover;}
.prod-body{padding:16px 20px 20px;border-top:1px solid var(--line);}
.prod-body h3{font-family:var(--serif);font-size:17px;font-weight:600;}
.prod-body .code{font-size:12px;color:var(--ink-soft);letter-spacing:.06em;margin-top:4px;}
.prod-body .more{display:inline-block;margin-top:10px;font-size:12px;letter-spacing:.1em;color:var(--accent);}

/* 产品详情 */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;}
.detail-media{position:sticky;top:calc(var(--nav-h) + 24px);}
.detail-media .big{background:var(--surface);padding:8px;}
.detail-media .big img{width:100%;height:auto;object-fit:cover;}
.specs{background:var(--surface);padding:40px 44px;border:1px solid var(--line);}
.specs h1{font-family:var(--serif);font-size:34px;font-weight:600;margin-bottom:6px;}
.specs .cat{font-size:13px;color:var(--accent);letter-spacing:.2em;margin-bottom:20px;}
.spec-list{list-style:none;margin:24px 0 30px;}
.spec-list li{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.spec-list li b{font-weight:600;}
.spec-list li span{color:var(--ink-soft);}
.detail-related{padding:72px 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.related-card{position:relative;height:320px;overflow:hidden;}
.related-card img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.related-card:hover img{transform:scale(1.06);}
.related-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(20,18,14,.6));}
.related-card span{position:absolute;left:20px;bottom:18px;z-index:2;color:#fff;font-family:var(--serif);font-size:16px;}

/* 新闻列表 */
.news-list{display:flex;flex-direction:column;}
.news-item{display:grid;grid-template-columns:200px 1fr;gap:32px;padding:32px 0;border-bottom:1px solid var(--line);align-items:center;}
.news-item .thumb{height:140px;overflow:hidden;}
.news-item .thumb img{width:100%;height:100%;object-fit:cover;}
.news-item .meta{font-size:13px;color:var(--ink-soft);display:flex;gap:14px;align-items:center;margin-bottom:8px;}
.news-item .meta .date{color:var(--accent);letter-spacing:.05em;}
.news-item h3{font-family:var(--serif);font-size:21px;font-weight:600;line-height:1.4;}
.news-item p{color:var(--ink-soft);font-size:14px;margin-top:8px;}
.news-item .readmore{margin-top:14px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);letter-spacing:.08em;}

/* 新闻详情 */
.article-wrap{max-width:760px;margin:0 auto;}
.article-head h1{font-family:var(--serif);font-size:clamp(26px,3.5vw,38px);font-weight:600;line-height:1.35;}
.article-head .meta{display:flex;gap:18px;color:var(--ink-soft);font-size:13px;margin:18px 0 32px;}
.article-head .meta .date{color:var(--accent);}
.article-body p{font-size:16px;color:var(--ink-soft);margin-bottom:22px;text-align:justify;}
.article-body h2{font-family:var(--serif);font-size:24px;font-weight:600;margin:36px 0 16px;}
.article-body img{width:100%;margin:28px 0;border-radius:var(--radius);}
.article-body blockquote{border-left:3px solid var(--accent);padding:16px 22px;background:var(--bg-soft);color:var(--ink);font-family:var(--serif);margin:28px 0;font-size:16px;}
.article-nav{display:flex;justify-content:space-between;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:14px;}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;}
.contact-info .item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:flex-start;}
.contact-info .item .ic{width:46px;height:46px;border:1px solid var(--accent);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0;}
.contact-info .item h4{font-size:13px;letter-spacing:.18em;color:var(--ink-soft);font-weight:500;margin-bottom:6px;}
.contact-info .item p{font-family:var(--serif);font-size:18px;font-weight:600;}
.contact-form{background:var(--surface);padding:44px;border:1px solid var(--line);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.field label{display:block;font-size:13px;letter-spacing:.08em;margin-bottom:8px;color:var(--ink-soft);}
.field input,.field textarea,.field select{width:100%;padding:13px 16px;border:1px solid var(--line);background:var(--bg);font-family:var(--sans);font-size:14px;color:var(--ink);transition:.2s;}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);background:#fff;}
.field textarea{resize:vertical;min-height:130px;}

/* 关于我们 */
.philosophy-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:72px;align-items:center;}
.philosophy-text p{color:var(--ink-soft);font-size:15px;margin-bottom:18px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:72px 0;}
.stat{background:var(--surface);text-align:center;padding:38px 20px;border-top:3px solid var(--accent);}
.stat b{font-family:var(--serif);font-size:42px;font-weight:700;color:var(--accent);}
.stat span{display:block;font-size:13px;color:var(--ink-soft);margin-top:8px;letter-spacing:.1em;}
.timeline{list-style:none;position:relative;max-width:820px;margin:0 auto;padding-left:0;}
.timeline::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--line);}
.timeline li{position:relative;padding:0 0 40px 40px;list-style:none;}
.timeline li::before{content:"";position:absolute;left:-5px;top:6px;width:12px;height:12px;background:var(--accent);border:3px solid var(--bg);}
.timeline .year{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--accent);}
.timeline h4{font-family:var(--serif);font-size:17px;margin:6px 0;}
.timeline p{font-size:14px;color:var(--ink-soft);}

/* Toast */
#toast{position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);background:var(--accent);color:#fff;padding:12px 26px;font-size:14px;opacity:0;transition:.3s;z-index:999;pointer-events:none;border-radius:2px;}

/* 响应式 */
@media (max-width:1080px){
  .intro-grid,.philosophy-grid,.detail-grid,.contact-grid{grid-template-columns:1fr;gap:48px;}
  .detail-media{position:static;}
  .decor-grid,.prod-grid{grid-template-columns:repeat(3,1fr);}
  .space-grid{grid-template-columns:1fr;}
  .space-card{height:360px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:960px){
  .nav-inner{justify-content:space-between;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .fullmenu-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:860px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .decor-grid,.prod-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .news-item{grid-template-columns:1fr;gap:16px;}
  .news-item .thumb{height:200px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .page-hero{padding:110px 0 60px;}
  .fullmenu-inner{padding:32px 24px;}
}
@media (max-width:520px){
  .decor-grid,.prod-grid{grid-template-columns:1fr;}
  .hero{height:88vh;}
  .hero-title{font-size:32px;}
  .related-grid{grid-template-columns:1fr;}
  .space-card{height:320px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .nav-inner{justify-content:space-between;}
  .logo .txt{font-size:16px;}
  .specs{padding:28px 24px;}
}

/* 产品详情页 - 应用场景 */
.btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:14px 36px;border:1px solid var(--ink);color:var(--ink);font-size:14px;letter-spacing:.08em;transition:.25s;background:transparent;cursor:pointer;}
.btn-outline:hover{background:var(--ink);color:#fff;}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:20px;}
.scene-card{position:relative;overflow:hidden;border-radius:2px;}
.scene-card img{width:100%;height:280px;object-fit:cover;display:block;transition:.4s;}
.scene-card:hover img{transform:scale(1.05);}
.scene-label{position:absolute;left:0;right:0;bottom:0;color:#fff;font-size:18px;font-weight:500;letter-spacing:.05em;padding:24px 16px 16px;background:linear-gradient(transparent,rgba(0,0,0,.7));}

/* 联系页二维码悬停放大 */
.contact-info .item .ic{position:relative;}
.contact-info .item .ic:hover img{transform:scale(5);position:relative;z-index:99;box-shadow:0 4px 20px rgba(0,0,0,.3);border-radius:2px;}

@media (max-width:960px){
  .scene-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:600px){
  .scene-grid{grid-template-columns:1fr;}
  .scene-card img{height:220px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none!important;animation:none!important;}
}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}