/*
Theme Name: 椿阳新能源
Theme URI: https://www.chunyang-newenergy.com/
Author: 椿阳新能源
Author URI: https://www.chunyang-newenergy.com/
Description: 椿阳新能源公司展示主题。多页面结构：产品中心（自定义产品发布 + 分类 + 参数表）、新闻资讯（分页 + 搜索）、联系表单；首页内容可在后台「外观 → 自定义」修改；兼容 Elementor 页面编辑；内置百度/谷歌站长验证、结构化数据与速度优化。
Version: 3.0.0
Requires at least: 6.0
Tested up to: 6.6
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: chunyang-pro
Tags: business, portfolio, e-commerce, custom-colors, custom-logo, translation-ready
*/

:root{
  --ink:#0C2A4C; --ink2:#081B33; --blue:#1F6FB2; --amber:#F5A623;
  --mist:#F2F6FA; --line:#E3EAF1; --text:#1F2D3D; --muted:#5C6F82;
  --paper:#FFFFFF; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:76px}
.aligncenter{display:block;margin-left:auto;margin-right:auto}
.alignleft{float:left;margin:0 1.2em .6em 0}
.alignright{float:right;margin:0 0 .6em 1.2em}
.wp-caption{max-width:100%;margin-bottom:1em}
.wp-caption-text{font-size:12.5px;color:var(--muted);text-align:center;padding-top:6px}

/* ===== 顶部导航 ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px;color:var(--ink);white-space:nowrap}
.brand-mark{width:34px;height:34px;flex:none}
.brand img.custom-logo{width:auto;max-height:44px;height:auto;flex:none}
.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.14em;color:var(--muted);line-height:1.2}
.nav-links{display:none;gap:24px;font-size:14.5px;font-weight:500;color:var(--text);list-style:none;margin:0;padding:0}
.nav-links li{margin:0;padding:0}
.nav-links a{padding:6px 2px;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.nav-links a:hover{color:var(--blue)}
.nav-links a.on{color:var(--blue);border-color:var(--amber);font-weight:700}
.nav-cta{display:none;align-items:center;gap:8px;background:var(--ink);color:#fff;font-size:14px;font-weight:700;padding:9px 16px;border-radius:999px;transition:background .2s}
.nav-cta:hover{background:var(--blue)}
.nav-cta svg{width:16px;height:16px;flex:none}
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:none;border:none;padding:8px}
.burger span{display:block;height:2px;width:22px;background:var(--ink);border-radius:2px;transition:.25s}
.mobile-menu{display:none;background:#fff;border-bottom:1px solid var(--line);padding:6px 20px 14px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 4px;font-size:15px;font-weight:500;border-bottom:1px solid var(--mist)}
.mobile-menu a:last-child{border-bottom:none}
@media (min-width:960px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
  .mobile-menu{display:none !important}
}

/* ===== 首屏 Hero ===== */
.hero{position:relative;background:var(--ink2);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,27,51,.94) 0%,rgba(8,27,51,.78) 45%,rgba(8,27,51,.42) 100%)}
.hero-in{position:relative;padding-block:76px 60px}
.eyebrow{color:var(--amber);font-weight:700;font-size:13px;letter-spacing:.18em;margin-bottom:16px}
.hero h1{font-size:clamp(30px,5.2vw,54px);line-height:1.22;font-weight:900;max-width:12em}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);max-width:40em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:999px;font-size:15px;font-weight:700;padding:13px 26px;transition:transform .2s,background .2s}
.btn:active{transform:scale(.98)}
.btn-amber{background:var(--amber);color:var(--ink2)}
.btn-amber:hover{background:#ffb63d}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px;margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.2)}
.stat{display:flex;gap:12px;align-items:flex-start}
.stat svg{width:22px;height:22px;flex:none;margin-top:2px}
.stat b{display:block;font-size:15px;font-weight:700;color:#fff}
.stat span{font-size:12.5px;color:rgba(255,255,255,.72)}
@media (min-width:768px){
  .stats{grid-template-columns:repeat(4,1fr)}
  .hero-in{padding-block:96px 72px}
}

/* ===== 通用区块 ===== */
section,.home-section{padding:64px 0}
@media (min-width:768px){section,.home-section{padding:84px 0}}
.sec-head{margin-bottom:36px}
.sec-head .bar{width:34px;height:4px;background:var(--amber);border-radius:2px;margin-bottom:14px}
.kicker{color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.16em;margin-bottom:10px}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:900;color:var(--ink);line-height:1.3}
.sec-head p{color:var(--muted);margin-top:12px;max-width:58em}

/* ===== 关于我们 ===== */
.about-grid{display:grid;gap:34px}
.about-text h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:14px}
.about-text p{font-size:15px;color:var(--muted);margin-bottom:14px;max-width:44em}
.about-text p strong{color:var(--ink);font-weight:700}
.about-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.feature{border:1px solid var(--line);border-radius:12px;padding:16px 16px 14px;background:var(--paper)}
.feature b{display:block;color:var(--ink);font-size:15px;margin-bottom:6px}
.feature span{font-size:13px;color:var(--muted);line-height:1.6}
@media (min-width:900px){
  .about-grid{grid-template-columns:1.15fr .85fr;gap:52px;align-items:start}
}

/* ===== 产品卡片 ===== */
.prod-grid{display:grid;grid-template-columns:1fr;gap:20px}
.prod{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.prod:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 14px 30px rgba(12,42,76,.10)}
.prod-img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--paper)}
.prod-img.ph{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;background:var(--mist);min-height:120px}
.prod-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.prod-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.prod-tag{font-size:12px;font-weight:700;color:var(--blue);background:rgba(31,111,178,.08);border-radius:999px;padding:4px 11px}
.prod-badge{font-size:12px;font-weight:700;color:var(--amber);background:rgba(245,166,35,.12);border-radius:999px;padding:4px 11px;white-space:nowrap}
.prod h3{font-size:19px;font-weight:800;color:var(--ink)}
.prod h3 a:hover{color:var(--blue)}
.prod-desc{font-size:14px;color:var(--muted)}
.prod-more{margin-top:auto;padding-top:6px;color:var(--blue);font-weight:700;font-size:13.5px}
@media (min-width:768px){
  .prod-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){.prod-grid.cols-3{grid-template-columns:repeat(3,1fr)}}

/* ===== 应用场景 ===== */
.scene-cards{display:grid;grid-template-columns:1fr;gap:16px}
.scene{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--paper);display:flex;gap:16px;align-items:flex-start}
.scene svg{width:40px;height:40px;flex:none}
.scene h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:6px}
.scene p{font-size:13.5px;color:var(--muted);line-height:1.7}
@media (min-width:640px){
  .scene-cards{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .scene-cards{grid-template-columns:repeat(4,1fr)}
  .scene{flex-direction:column;padding:26px 22px}
}

/* ===== 新闻卡片 ===== */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
.news-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper);display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.news-card:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 14px 30px rgba(12,42,76,.10)}
.news-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--mist)}
.news-thumb.ph{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;min-height:100px}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-meta{font-size:12.5px;color:var(--muted);display:flex;gap:10px;align-items:center}
.news-card h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.45}
.news-card h3 a:hover{color:var(--blue)}
.news-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.news-more{margin-top:auto;padding-top:6px;color:var(--blue);font-weight:700;font-size:13.5px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}

/* ===== 分页 ===== */
.pagination{margin-top:44px}
.pagination .pager{list-style:none;display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin:0;padding:0}
.pagination .pager li{margin:0}
.pagination .pager a,.pagination .pager span{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;color:var(--text);background:#fff}
.pagination .pager a:hover{border-color:var(--blue);color:var(--blue)}
.pagination .pager .current{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ===== 内页 ===== */
.page-hero{background:var(--ink2);color:#fff;padding:52px 0 46px}
.page-hero h1{font-size:clamp(26px,3.6vw,38px);font-weight:900;line-height:1.3}
.page-hero p{color:rgba(255,255,255,.74);margin-top:10px;font-size:14.5px;max-width:58em}
.page-body{padding:56px 0}
@media (min-width:768px){.page-body{padding:72px 0}}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--blue)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{opacity:.55}
.entry-content{font-size:15px;color:var(--text);line-height:1.85;max-width:880px}
.entry-content h2,.entry-content h3,.entry-content h4{margin:1.4em 0 .6em;color:var(--ink);font-weight:800}
.entry-content h2{font-size:24px}
.entry-content h3{font-size:20px}
.entry-content p{margin-bottom:1em}
.entry-content ul,.entry-content ol{margin:0 0 1em 1.5em}
.entry-content li{margin-bottom:.4em}
.entry-content img{border-radius:12px}
.entry-content a{color:var(--blue);text-decoration:underline}
.entry-content table{width:100%;border-collapse:collapse;margin:1em 0}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}

/* ===== 产品详情 ===== */
.single-layout{display:grid;gap:32px}
@media (min-width:900px){.single-layout{grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}}
.single-img{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.single-img img{width:100%;aspect-ratio:1/1;object-fit:cover}
.single-info h1{font-size:clamp(24px,3vw,32px);color:var(--ink);font-weight:900;margin-bottom:6px}
.single-info .single-excerpt{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.spec-table{width:100%;border-collapse:collapse;margin:8px 0}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:10px 12px;font-size:14px}
.spec-table th{background:var(--mist);width:120px;color:var(--ink);font-weight:700;text-align:left}
.single-points{margin-top:14px}
.single-points h3{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:8px}
.single-points ul li{display:flex;gap:9px;font-size:14px;margin-bottom:7px}
.single-points ul li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--amber);flex:none;margin-top:8px}
.single-cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.back-link{display:inline-block;margin-bottom:20px;color:var(--blue);font-size:14px;font-weight:500}

/* ===== 新闻详情 ===== */
.news-single{max-width:880px;margin:0 auto}
.news-single h1{font-size:clamp(24px,3vw,32px);color:var(--ink);font-weight:900;line-height:1.4;margin-bottom:14px}
.news-single .news-meta{font-size:13px;margin-bottom:26px;padding-bottom:18px;border-bottom:1px solid var(--line)}

/* ===== 联系我们 ===== */
#contact{background:var(--ink2);color:#fff}
.contact-grid{display:grid;gap:36px}
.contact-info h2{font-size:clamp(24px,3.4vw,32px);font-weight:900;line-height:1.3}
.contact-info>p{margin:14px 0 22px;color:rgba(255,255,255,.74);font-size:14.5px;max-width:34em}
.info-item{display:flex;gap:14px;align-items:center;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.info-item svg{width:22px;height:22px;flex:none}
.info-item b{display:block;font-size:12px;font-weight:500;color:rgba(255,255,255,.55)}
.info-item span{font-size:15px;font-weight:700}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;color:var(--text)}
.contact-form h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:16px}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px}
.form-row input,.form-row textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--text);padding:12px 14px;font-size:16px;font-family:inherit;outline:none;transition:border-color .2s}
.form-row input:focus,.form-row textarea:focus{border-color:var(--amber)}
.form-row textarea{resize:vertical;min-height:96px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:10px}
.form-success{background:rgba(31,111,178,.08);border:1px solid var(--blue);color:var(--blue);border-radius:10px;padding:12px 16px;margin-bottom:16px;font-size:14px}
@media (min-width:900px){.contact-grid{grid-template-columns:1.05fr .95fr;gap:60px;align-items:start}}

/* ===== 空态 ===== */
.empty-hint{background:var(--mist);border:1px dashed var(--line);border-radius:12px;padding:40px 20px;text-align:center;color:var(--muted);font-size:14px}

/* ===== 页脚 ===== */
.footer{background:var(--ink);color:rgba(255,255,255,.66);font-size:13px;padding:26px 0}
.footer-in{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;align-items:center}
.footer strong{color:#fff}

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

/* ===== 产品分类（列表页） ===== */
.cat-tools{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-bottom:28px}
.cat-current{font-size:14px;color:var(--muted);margin:0}
.cat-current strong{color:var(--ink);font-weight:700}
.cat-jump{appearance:none;-webkit-appearance:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 40px 10px 16px;font-size:14px;color:var(--text);font-family:inherit;cursor:pointer;outline:none;transition:border-color .2s;position:relative;background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="10" height="6" viewBox="0 0 10 6"><path d="M1 1l4 4 4-4" fill="none" stroke="%230C2A4C" stroke-width="1.6" stroke-linecap="round"/></svg>');background-repeat:no-repeat;background-position:right 14px center}
.cat-jump:focus{border-color:var(--amber)}

/* ===== 新闻搜索 ===== */
.search-bar{display:flex;gap:10px;margin-bottom:30px;max-width:460px}
.search-bar input{flex:1;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);padding:11px 14px;font-size:16px;font-family:inherit;outline:none;transition:border-color .2s}
.search-bar input:focus{border-color:var(--amber)}
.search-bar button{border:none;background:var(--ink);color:#fff;border-radius:10px;padding:0 22px;font-size:14px;font-weight:700;transition:background .2s}
.search-bar button:hover{background:var(--blue)}

/* ===== 导航悬停下拉（产品中心分类） ===== */
.nav-links .has-drop{position:relative}
.nav-links .drop-caret{display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;margin-left:5px;vertical-align:middle;transition:transform .2s}
.nav-links .has-drop:hover .drop-caret{transform:rotate(180deg)}
.drop-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:172px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 34px rgba(12,42,76,.14);padding:8px;opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:60}
.nav-links .has-drop:hover .drop-menu,.nav-links .has-drop:focus-within .drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-links .drop-menu a{display:block;padding:9px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text);border-bottom:none !important;transition:background .15s,color .15s,transform .15s}
.nav-links .drop-menu a:hover{background:rgba(31,111,178,.08);color:var(--blue);transform:translateX(3px)}
.nav-links .drop-menu a.on{color:var(--blue);font-weight:700;background:rgba(31,111,178,.08)}

/* ===== 移动端菜单子分类 ===== */
.m-sub{display:block;padding:9px 4px 9px 30px;font-size:14px;color:var(--muted);border-bottom:1px solid var(--mist)}
.m-sub.on{color:var(--blue);font-weight:700}