/*
Theme Name: Eco Blueprint 工程蓝图
Theme URI: https://example.com/themes/eco-blueprint
Author: Chengdu Eco Themes
Author URI: https://example.com
Description: 工程蓝图风环保设备主题。图纸网格底纹、虚线技术框、图签编号与工程蓝配色，把网站做成一张严谨的工程图纸，适合强调工程能力、按图交付的环保设备代理与工程服务商。内置产品设备文章类型与设备分类法。
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: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: eco-blueprint
Tags: blue, engineering, technical, light, custom-menu, custom-logo, featured-images
*/

/* ===== 共享基础（结构与常规组件，取色来自本主题 :root 变量） ===== */
.screen-reader-text{border:0;clip-path:inset(50%);height:1px;width:1px;margin:-1px;overflow:hidden;padding:0;position:absolute}
.skip-link{position:absolute;left:-9999px;background:var(--c-ink);color:#fff;padding:8px 16px;z-index:999}
.skip-link:focus{left:0;top:0;clip-path:none;width:auto;height:auto}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 22px}
.section{padding:64px 0}
img{max-width:100%;height:auto}
.article-wrap{max-width:820px}
.single-thumb img{border-radius:var(--r);margin-bottom:22px;width:100%}
.entry-content{font-size:15.5px}
.entry-content h2{font-size:23px;margin-top:1.7em}
.entry-content h3{font-size:19px;margin-top:1.4em}
.entry-content ul,.entry-content ol{padding-left:1.4em}
.entry-content blockquote{margin:1.5em 0;padding:14px 20px;border-left:4px solid var(--c-primary);background:var(--c-bg);color:var(--c-muted);border-radius:0 var(--r) var(--r) 0}
.entry-content table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:14px}
.entry-content th,.entry-content td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.entry-content th{background:var(--c-bg);color:var(--c-primary);font-weight:600}
.entry-content img{border-radius:var(--r)}
.alignleft{float:left;margin:0 20px 12px 0}
.alignright{float:right;margin:0 0 12px 20px}
.aligncenter{display:block;margin:0 auto 12px}
.page-links{margin-top:1.5em}
/* 设备网格结构 */
.equipment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.eq-card{display:flex;flex-direction:column;overflow:hidden}
.eq-thumb{display:block;aspect-ratio:16/11;overflow:hidden;position:relative;background:var(--c-bg)}
.eq-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.eq-card:hover .eq-thumb img{transform:scale(1.04)}
.thumb-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:700;color:var(--c-primary);opacity:.3}
.eq-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1;gap:6px}
.eq-terms{font-size:12px;color:var(--c-primary)}
.eq-terms a{color:inherit}
.eq-title{font-size:16px;margin:0;flex:1}
.eq-title a{color:var(--c-ink)}
.eq-title a:hover{color:var(--c-primary)}
.eq-more{font-size:13px;font-weight:600;color:var(--c-primary);margin-top:6px}
/* 筛选 */
.equipment-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filter-pill{padding:8px 20px;border:1px solid var(--c-line);font-size:14px;color:var(--c-ink);background:var(--c-card);border-radius:var(--r-pill)}
.filter-pill:hover{border-color:var(--c-primary);color:var(--c-primary)}
.filter-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.no-results{background:var(--c-bg);border-radius:var(--r);padding:36px;text-align:center;color:var(--c-muted)}
/* 文章列表 */
.post-list{display:grid;gap:18px}
.entry-meta{font-size:12px;color:var(--c-muted);margin-bottom:6px}
.entry-meta .meta-type{display:inline-block;background:var(--c-bg);color:var(--c-primary);border-radius:4px;padding:1px 8px;margin-right:8px;font-weight:600}
.post-item .entry-title{font-size:18px;margin:0 0 4px}
.post-item .entry-title a{color:var(--c-ink)}
.post-item .entry-title a:hover{color:var(--c-primary)}
.post-item .entry-summary{font-size:14px;color:var(--c-muted);margin:0}
/* 联系条结构 */
.contact-strip{margin-top:48px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;padding:30px 34px;border-radius:var(--r)}
.contact-strip h3{margin:0 0 4px;font-size:20px}
.contact-strip p{margin:0;font-size:14px}
.contact-strip-actions{display:flex;gap:12px;flex-wrap:wrap}
.related-title{font-size:23px;margin:52px 0 20px}
/* 搜索表单 */
.search-form{display:flex;gap:8px;max-width:460px}
.search-label{flex:1;display:flex}
.search-field{flex:1;min-width:0;padding:11px 14px;border:1px solid var(--c-line);border-radius:var(--r);font-size:14px;font-family:inherit;background:var(--c-card);color:var(--c-ink)}
.search-field:focus{outline:none;border-color:var(--c-primary)}
.search-submit{padding:11px 22px;border:0;border-radius:var(--r);background:var(--c-primary);color:#fff;font-size:14px;cursor:pointer;font-family:inherit}
.search-submit:hover{background:var(--c-primary-2)}
/* 分页 */
.navigation.pagination{margin-top:40px}
.nav-links{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.nav-links .page-numbers{display:inline-flex;min-width:40px;height:40px;align-items:center;justify-content:center;padding:0 13px;border:1px solid var(--c-line);border-radius:var(--r);color:var(--c-ink);font-size:14px;background:var(--c-card)}
.nav-links .page-numbers.current{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.nav-links a.page-numbers:hover{border-color:var(--c-primary);color:var(--c-primary)}
/* 评论 */
.comments-area{margin-top:48px;padding-top:36px;border-top:1px solid var(--c-line)}
.comments-title{font-size:20px}
.comment-list{list-style:none;margin:0 0 24px;padding:0}
.comment-list .comment{border-bottom:1px solid var(--c-line);padding:15px 0}
.comment-list .children{list-style:none;padding-left:28px}
.comment-author{font-weight:600;font-size:14px;color:var(--c-ink)}
.comment-author .avatar{border-radius:50%;vertical-align:middle;margin-right:8px}
.comment-metadata{font-size:12px;color:var(--c-muted);margin:2px 0 6px}
.comment-content{font-size:14px}
.comment-form label{display:block;font-size:13px;margin-bottom:4px;color:var(--c-ink)}
.comment-form input[type="text"],.comment-form input[type="email"],.comment-form input[type="url"],.comment-form textarea{width:100%;padding:11px 14px;border:1px solid var(--c-line);border-radius:var(--r);font-family:inherit;font-size:14px;margin-bottom:13px;background:var(--c-card);color:var(--c-ink)}
.comment-form input:focus,.comment-form textarea:focus{outline:none;border-color:var(--c-primary)}
.comment-form .submit{padding:12px 28px;border:0;border-radius:var(--r);background:var(--c-primary);color:#fff;font-size:15px;cursor:pointer;font-family:inherit}
.comment-form .submit:hover{background:var(--c-primary-2)}
/* 404 */
.error-404{padding:90px 0;text-align:center}
.error-code{font-size:96px;font-weight:800;line-height:1;color:var(--c-primary)}
.error-note{color:var(--c-muted)}
.error-search{display:flex;justify-content:center;margin-top:22px}
.error-actions{margin-top:26px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* 页脚结构 */
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding:52px 0 38px}
.footer-heading{font-size:15px;margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer .widget{background:none;padding:0;box-shadow:none;border:0}
.footer-about p{max-width:340px}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:16px 0;font-size:13px}
.footer-menu{list-style:none;margin:0;padding:0;display:flex !important;gap:18px}
/* 移动端导航结构 */
.menu-toggle{display:none;background:none;border:1px solid var(--c-line);border-radius:6px;padding:9px 10px;cursor:pointer}
.menu-toggle-bar{display:block;width:20px;height:2px;background:var(--c-ink);margin:4px 0}
@media (max-width:1024px){
.equipment-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:782px){
.menu-toggle{display:block}
.main-navigation{position:absolute;top:100%;left:0;right:0;background:var(--c-nav-bg);border-bottom:1px solid var(--c-line);display:none;z-index:120}
.main-navigation.is-open{display:block}
.main-navigation ul{flex-direction:column;gap:0;padding:8px 0}
.main-navigation a{padding:12px 24px}
.main-navigation ul ul{position:static;display:flex;border:0;box-shadow:none;padding-left:18px}
.section{padding:48px 0}
.header-cta{display:none}
}
@media (max-width:600px){
.equipment-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
}
/* 滚动浮现（未启用 reveal 的主题此段无副作用） */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ===== 本主题设计层 ===== */
:root{
--c-primary:#1d4ed8;--c-primary-2:#1e40af;--c-accent:#0ea5e9;
--c-ink:#16233f;--c-muted:#64748b;--c-line:#c9d6f2;
--c-bg:#edf2fd;--c-card:#ffffff;--c-nav-bg:#ffffff;
--r:0px;--r-pill:0px;
--font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,sans-serif;
--mono:"SF Mono","Menlo","Consolas",monospace;
}
body{margin:0;font-family:var(--font);font-size:15.5px;line-height:1.8;color:var(--c-ink);background:#f7faff;background-image:linear-gradient(rgba(29,78,216,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(29,78,216,.05) 1px,transparent 1px);background-size:24px 24px;-webkit-font-smoothing:antialiased}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,h5,h6{color:var(--c-ink);line-height:1.4;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
.mono{font-family:var(--mono)}

/* 按钮：制图方角 */
.btn{display:inline-block;padding:12px 30px;border-radius:0;font-size:14px;font-weight:600;letter-spacing:.06em;border:1.5px solid var(--c-primary);cursor:pointer;transition:all .2s ease}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-2);border-color:var(--c-primary-2);color:#fff}
.btn-secondary{background:#fff;color:var(--c-primary)}
.btn-secondary:hover{background:var(--c-bg);color:var(--c-primary-2)}

/* 顶栏 */
.topbar{background:var(--c-primary-2);color:rgba(255,255,255,.88);font-size:12px;letter-spacing:.08em}
.topbar-inner{display:flex;justify-content:space-between;gap:12px;min-height:32px;align-items:center;flex-wrap:wrap}

/* 页头 */
.site-header{background:#fff;border-bottom:2px solid var(--c-primary);position:sticky;top:0;z-index:100}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(29,78,216,.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:22px}
.site-branding .custom-logo{max-height:48px;width:auto;display:block}
.site-logo-text{display:flex;align-items:center;gap:12px}
.logo-mark{width:42px;height:42px;border:1.5px solid var(--c-primary);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;flex:none;position:relative}
.logo-mark::after{content:"";position:absolute;inset:4px;border:1px dashed rgba(29,78,216,.45)}
.logo-words{line-height:1.35}
.site-title{display:block;font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:.04em}
.site-desc{display:block;font-size:10px;color:var(--c-muted);letter-spacing:.24em;font-family:var(--mono)}
.main-navigation ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}
.main-navigation li{position:relative}
.main-navigation a{display:block;padding:25px 16px;font-size:14.5px;font-weight:500;color:var(--c-ink)}
.main-navigation a:hover,.main-navigation .current-menu-item>a,.main-navigation .current_page_item>a{color:var(--c-primary);box-shadow:inset 0 -3px 0 var(--c-primary)}
.main-navigation ul ul{position:absolute;top:100%;left:0;min-width:186px;background:#fff;border:1.5px solid var(--c-primary);display:none;flex-direction:column;gap:0;z-index:110}
.main-navigation li:hover>ul,.main-navigation li:focus-within>ul{display:flex}
.main-navigation ul ul a{padding:10px 16px;font-size:14px;box-shadow:none}

/* 内页头 */
.page-head{background:#fff;border-bottom:1.5px solid var(--c-line);padding:46px 0;position:relative}
.page-head::after{content:"";position:absolute;left:0;bottom:-1.5px;width:180px;height:3px;background:var(--c-primary)}
.page-title{font-size:29px;margin:0}
.page-subtitle{margin:8px 0 0;color:var(--c-muted);font-size:14px}

/* 首屏：图纸面板 */
.hero{padding:64px 0}
.draft-panel{background:#fff;border:1.5px solid var(--c-primary);position:relative;padding:64px 56px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:center}
.draft-panel::before,.draft-panel::after{content:"";position:absolute;width:22px;height:22px;border:2px solid var(--c-primary)}
.draft-panel::before{left:-8px;top:-8px;border-right:0;border-bottom:0}
.draft-panel::after{right:-8px;bottom:-8px;border-left:0;border-top:0}
.hero-tag{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--c-primary);border:1px dashed var(--c-primary);padding:5px 14px;margin-bottom:22px}
.hero-title{font-size:40px;line-height:1.3;margin-bottom:14px}
.hero-title u{text-decoration:none;border-bottom:3px solid var(--c-accent)}
.hero-text{font-size:15.5px;color:var(--c-muted);margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
/* 图签 */
.stamp-box{border:1.5px solid var(--c-primary);font-size:13px}
.stamp-row{display:flex;border-bottom:1px solid var(--c-line)}
.stamp-row:last-child{border-bottom:0}
.stamp-row .k{width:88px;padding:10px 14px;background:var(--c-bg);color:var(--c-muted);border-right:1px solid var(--c-line);flex:none}
.stamp-row .v{padding:10px 14px;font-family:var(--mono);color:var(--c-ink)}

/* 版块标题：图幅编号 */
.section-head{display:flex;align-items:baseline;gap:16px;margin-bottom:30px;border-bottom:1.5px solid var(--c-primary);padding-bottom:12px}
.section-num{font-family:var(--mono);font-size:13px;color:var(--c-primary);letter-spacing:.1em}
.section-head h2{font-size:23px;margin:0}
.section-head .more{margin-left:auto;font-size:13px;color:var(--c-muted)}
.section-head .more:hover{color:var(--c-primary)}

/* 技术服务四格 */
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tech-cell{background:#fff;border:1px dashed var(--c-primary);padding:26px 22px;position:relative;transition:border-style .2s ease,box-shadow .2s ease}
.tech-cell:hover{border-style:solid;box-shadow:4px 4px 0 rgba(29,78,216,.15)}
.tech-cell .no{position:absolute;top:-11px;left:14px;background:#f7faff;font-family:var(--mono);font-size:12px;color:var(--c-primary);padding:0 8px}
.tech-cell h3{font-size:16.5px;margin-bottom:6px}
.tech-cell p{font-size:13px;color:var(--c-muted);margin:0}

/* 设备卡皮肤：图纸卡 */
.eq-card{background:#fff;border:1px solid var(--c-line);transition:border-color .2s ease,box-shadow .2s ease}
.eq-card:hover{border-color:var(--c-primary);box-shadow:5px 5px 0 rgba(29,78,216,.12)}
.eq-thumb{background:var(--c-bg);border-bottom:1px dashed var(--c-line);position:relative}
.eq-thumb::after{content:"FIG.";position:absolute;left:10px;top:8px;font-family:var(--mono);font-size:10px;color:var(--c-primary);letter-spacing:.15em}
.eq-terms{font-family:var(--mono);letter-spacing:.05em}

/* 参数承诺表 */
.spec-sheet{background:#fff;border:1.5px solid var(--c-primary)}
.spec-line{display:flex;justify-content:space-between;gap:24px;padding:15px 24px;border-bottom:1px solid var(--c-line);font-size:14px}
.spec-line:last-child{border-bottom:0}
.spec-line .k{color:var(--c-muted)}
.spec-line .v{font-weight:600;color:var(--c-ink);text-align:right}
.spec-line .v b{color:var(--c-primary)}

/* CTA：图签栏放大版 */
.title-block{background:#fff;border:2px solid var(--c-primary);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}
.title-block-left{padding:44px 48px;border-right:1.5px solid var(--c-line)}
.title-block-left h2{font-size:26px;margin-bottom:8px}
.title-block-left p{color:var(--c-muted);margin:0 0 24px;font-size:14px}
.title-block-right{display:flex;flex-direction:column;justify-content:center;padding:32px 40px;gap:8px}
.title-block-right .lbl{font-size:12px;color:var(--c-muted);letter-spacing:.2em}
.title-block-right .phone{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--c-primary)}
.title-block-right .mail{font-size:14px;color:var(--c-muted)}

/* 列表/正文/联系条/页脚皮肤 */
.post-item{background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-primary);padding:22px 26px}
.article-wrap article{background:#fff;border:1px solid var(--c-line);padding:36px 40px}
.contact-strip{background:#fff;border:1.5px solid var(--c-primary)}
.contact-strip p{color:var(--c-muted)}
.entry-content th{font-family:var(--mono);letter-spacing:.04em}
.site-footer{background:#16233f;color:rgba(255,255,255,.72);font-size:14px;margin-top:64px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:#7dd3fc}
.footer-heading{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14)}

@media (max-width:1024px){
.draft-panel{grid-template-columns:1fr;padding:40px 32px}
.tech-grid{grid-template-columns:1fr 1fr}
.title-block{grid-template-columns:1fr}
.title-block-left{border-right:0;border-bottom:1.5px solid var(--c-line)}
}
@media (max-width:782px){
.hero{padding:36px 0}
.hero-title{font-size:27px}
.page-title{font-size:24px}
.article-wrap article{padding:24px}
.title-block-left{padding:28px 24px}
.title-block-right{padding:24px}
}
@media (max-width:600px){
.tech-grid{grid-template-columns:1fr}
}