/*
Theme Name: 中科能控 ESEC 官网
Theme URI: https://www.zknkkj.com
Author: 中科能控(北京)科技有限公司
Description: 中科能控企业官网主题 — ESEC 辐射屏蔽节能窗幕。含首页、产品、解决方案、节能计算器、新闻、工程案例、联系等模板,新闻与案例支持后台发布。
Version: 1.0
License: Proprietary
Text Domain: zkesec
*/

/* ==========================================================
   品牌色:青绿 #0FB5A6 / 深青绿 #0A8F84 / 蓝 #2E86DE / 深蓝 #1E63B5
   ========================================================== */
:root{
  --teal:#0FB5A6;
  --teal-d:#0A8F84;
  --blue:#2E86DE;
  --blue-d:#1E63B5;
  --ink:#123B47;
  --ink-2:#4A6B75;
  --line:#D8ECEA;
  --bg:#F4FBFB;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#0FB5A6 0%,#19A7C9 100%);
  --shadow-lg:0 18px 48px rgba(18,59,71,.10);
  --shadow-md:0 10px 28px rgba(18,59,71,.08);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;
}
img{max-width:100%;display:block}
a{color:var(--teal-d);text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(18,59,71,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:40px;width:auto}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
  padding:9px 16px;border-radius:999px;color:var(--ink);
  font-size:15px;font-weight:600;letter-spacing:1px;white-space:nowrap;
  transition:background .2s,color .2s;
}
.main-nav a:hover{background:rgba(15,181,166,.08);color:var(--teal-d)}
.main-nav a.active{background:var(--grad-brand);color:#fff}
.header-call{
  display:inline-flex;align-items:center;gap:8px;flex-shrink:0;
  padding:10px 20px;border-radius:999px;background:var(--grad-brand);
  color:#fff;font-weight:700;font-size:15px;letter-spacing:1px;
  box-shadow:0 8px 20px rgba(14,181,166,.30);
  transition:transform .2s;
}
.header-call:hover{transform:translateY(-2px);color:#fff}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle svg{width:26px;height:26px;stroke:var(--ink)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--ink);
  background:
    linear-gradient(180deg,rgba(244,251,251,.38) 0%,rgba(244,251,251,.62) 70%,var(--bg) 100%),
    url("assets/img/photos/hero-real.jpg") center/cover no-repeat;
  padding:clamp(90px,12vw,150px) 0 clamp(70px,9vw,110px);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 280px at 10% 6%, rgba(255,255,255,.72), transparent 62%),
    radial-gradient(520px 250px at 94% 10%, rgba(46,134,222,.14), transparent 65%),
    radial-gradient(660px 320px at 68% 100%, rgba(14,181,166,.16), transparent 65%);
  pointer-events:none;
}
.hero-inner{position:relative;max-width:900px;margin:0 auto;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:999px;
  background:rgba(255,255,255,.78);border:1px solid rgba(14,181,166,.35);
  color:var(--teal-d);font-size:14px;font-weight:600;letter-spacing:3px;margin-bottom:26px;
}
.hero h1{
  font-size:clamp(40px,7vw,80px);font-weight:800;line-height:1.15;letter-spacing:4px;
  background:linear-gradient(95deg,#0A8F84 0%,#1788C8 55%,#12A08E 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 2px 0 rgba(255,255,255,.55);margin-bottom:20px;
}
.hero-tag{font-size:clamp(16px,2.4vw,23px);font-weight:600;letter-spacing:5px;color:#2E5A66}
.hero-tag b{color:var(--teal-d)}
.hero-line{width:120px;height:4px;margin:28px auto 0;border-radius:2px;background:linear-gradient(90deg,#0FB5A6,#2E86DE)}

/* ---------- 实拍画廊(瀑布流) ---------- */
.photo-masonry{columns:3 300px;column-gap:14px}
.photo-masonry figure{
  margin:0 0 14px;break-inside:avoid;border-radius:14px;overflow:hidden;position:relative;
  box-shadow:0 6px 20px rgba(16,58,68,.14);background:#E8F4F3;
}
.photo-masonry img{width:100%;display:block;transition:transform .55s ease}
.photo-masonry figure:hover img{transform:scale(1.045)}
.photo-masonry figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:30px 14px 11px;font-size:13.5px;font-weight:600;
  color:#fff;letter-spacing:1px;background:linear-gradient(transparent,rgba(8,42,52,.78));
}
.video-box{
  margin-top:26px;border-radius:16px;overflow:hidden;background:#07262D;
  box-shadow:0 14px 36px rgba(16,58,68,.22);
}
.video-box video{width:100%;display:block;aspect-ratio:16/9;background:#07262D}
.video-hint{margin:0;padding:13px 18px;font-size:14px;color:#9FD9D2;letter-spacing:1px;text-align:center}
.video-hint b{color:#fff}

/* ---------- 实拍细节四宫格 ---------- */
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.detail-grid figure{margin:0;border-radius:14px;overflow:hidden;position:relative;box-shadow:0 6px 20px rgba(16,58,68,.14);background:#E8F4F3}
.detail-grid img{width:100%;height:240px;object-fit:cover;display:block}
.detail-grid figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:28px 12px 10px;font-size:13.5px;font-weight:600;
  color:#fff;letter-spacing:1px;background:linear-gradient(transparent,rgba(8,42,52,.78));text-align:center;
}
.hero-cta{margin-top:34px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 34px;border-radius:999px;
  font-size:16px;font-weight:700;letter-spacing:2px;transition:transform .2s,box-shadow .2s;cursor:pointer;border:none;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#fff;background:var(--grad-brand);box-shadow:0 10px 26px rgba(14,181,166,.35)}
.btn-ghost{color:var(--blue-d);background:rgba(255,255,255,.88);border:1.5px solid rgba(46,134,222,.4)}
.btn-white{color:var(--teal-d);background:#fff;box-shadow:0 10px 26px rgba(0,0,0,.15)}
.btn-sm{padding:10px 22px;font-size:14px}

/* ---------- 滚动字幕 ---------- */
.marquee-band{
  position:relative;background:linear-gradient(120deg,#0FA9A0 0%,#1E8FD6 100%);
  box-shadow:0 12px 32px rgba(16,150,180,.22);overflow:hidden;
}
.marquee-band::before,.marquee-band::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none}
.marquee-band::before{left:0;background:linear-gradient(90deg,rgba(15,169,160,.95),transparent)}
.marquee-band::after{right:0;background:linear-gradient(-90deg,rgba(30,143,214,.95),transparent)}
.marquee{display:flex;width:max-content;animation:scrollx 36s linear infinite}
.marquee:hover{animation-play-state:paused}
.marquee .seg{display:flex;align-items:center;white-space:nowrap;padding:15px 0}
.marquee .seg span{color:#fff;font-size:clamp(14px,2vw,18px);font-weight:600;letter-spacing:3px;padding:0 24px}
.marquee .seg i{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.85)}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 区块通用 ---------- */
.section{padding:clamp(56px,8vw,92px) 0}
.section.tight{padding-top:clamp(40px,5vw,60px)}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head .kicker{font-size:13px;letter-spacing:4px;color:var(--blue-d);font-weight:700;margin-bottom:10px}
.sec-head h2{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:3px;color:var(--ink)}
.sec-head h2 em{font-style:normal;color:var(--teal-d)}
.sec-head .sub{margin-top:12px;color:var(--ink-2);font-size:15px;letter-spacing:2px}

/* ---------- 数据带 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 18px;text-align:center;box-shadow:var(--shadow-md);
}
.stat .num{font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--teal-d);line-height:1.2}
.stat .num small{font-size:.5em;font-weight:700}
.stat .lbl{margin-top:6px;color:var(--ink-2);font-size:14px;letter-spacing:2px}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-md);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card .ico{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px;background:linear-gradient(135deg,#E6F6F4,#E3F2FB)}
.card h3{font-size:19px;letter-spacing:1px;margin-bottom:10px;color:var(--ink)}
.card p{font-size:14.5px;color:var(--ink-2)}
.card .more{display:inline-block;margin-top:14px;font-weight:700;font-size:14px;color:var(--teal-d)}

/* ---------- 对比滑块 ---------- */
.ba-wrap{
  position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-lg);background:#fff;touch-action:none;user-select:none;cursor:ew-resize;
}
.ba-layer{position:relative;aspect-ratio:16/8.5}
.ba-layer svg{position:absolute;inset:0;width:100%;height:100%}
.ba-before{position:absolute;inset:0;z-index:2;clip-path:inset(0 50% 0 0)}
.ba-tag{position:absolute;top:18px;padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:2px;z-index:3;backdrop-filter:blur(4px)}
.ba-tag.l{left:18px;background:rgba(196,74,58,.88);color:#fff}
.ba-tag.r{right:18px;background:rgba(14,158,148,.90);color:#fff}
.ba-temp{position:absolute;bottom:18px;z-index:3;padding:10px 16px;border-radius:14px;background:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.9);font-weight:800;font-size:20px;letter-spacing:1px}
.ba-temp small{display:block;font-size:11px;font-weight:600;color:var(--ink-2);letter-spacing:2px}
.ba-temp.l{left:18px;color:#C44A3A}
.ba-temp.r{right:18px;color:var(--teal-d)}
.ba-divider{position:absolute;top:0;bottom:0;left:50%;z-index:4;width:3px;background:rgba(255,255,255,.95);box-shadow:0 0 0 1px rgba(18,59,71,.12);transform:translateX(-50%);pointer-events:none}
.ba-knob{position:absolute;top:50%;left:50%;z-index:5;width:52px;height:52px;border-radius:50%;transform:translate(-50%,-50%);background:rgba(255,255,255,.95);box-shadow:0 8px 22px rgba(18,59,71,.25);display:flex;align-items:center;justify-content:center;color:var(--teal-d);font-size:18px;font-weight:800;pointer-events:none}
.ba-hint{text-align:center;margin-top:16px;color:var(--ink-2);font-size:13px;letter-spacing:2px}

/* ---------- 原理 ---------- */
.principle-card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);padding:clamp(20px,4vw,44px)}
.principle-card svg{width:100%;height:auto}
.season-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.season{border-radius:16px;padding:22px;display:flex;gap:14px;align-items:flex-start}
.season.summer{background:linear-gradient(135deg,#E6F6F4,#E3F2FB);border:1px solid rgba(14,181,166,.25)}
.season.winter{background:linear-gradient(135deg,#EAF3FC,#E9F6F1);border:1px solid rgba(46,134,222,.25)}
.season .ico{font-size:26px;line-height:1}
.season h4{font-size:16px;letter-spacing:2px;margin-bottom:6px;color:var(--ink)}
.season.summer h4 b{color:var(--teal-d)}
.season.winter h4 b{color:var(--blue-d)}
.season p{font-size:14px;color:var(--ink-2)}

/* ---------- 图片文字分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,56px);align-items:center}
.split .pic{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.split h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:2px;margin-bottom:16px}
.split h2 em{font-style:normal;color:var(--teal-d)}
.split p{color:var(--ink-2);margin-bottom:12px}
.check-list{list-style:none;margin:16px 0 22px}
.check-list li{position:relative;padding:8px 0 8px 34px;color:var(--ink);font-size:15px}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:8px;width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,#0FB5A6,#19A7C9);color:#fff;font-size:13px;
  display:flex;align-items:center;justify-content:center;font-weight:800;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,#0FA9A0 0%,#1E8FD6 100%);border-radius:24px;
  padding:clamp(32px,5vw,52px);color:#fff;display:flex;align-items:center;
  justify-content:space-between;gap:24px;flex-wrap:wrap;box-shadow:0 16px 40px rgba(16,150,180,.30);
}
.cta-band h3{font-size:clamp(20px,3vw,28px);font-weight:800;letter-spacing:2px;margin-bottom:6px}
.cta-band p{opacity:.92;font-size:15px;letter-spacing:1px}

/* ---------- 内页页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;text-align:center;color:var(--ink);
  background:linear-gradient(135deg,#DFF6F3 0%,#E1F3FB 45%,#E4F7EC 100%);
  padding:clamp(56px,8vw,88px) 0;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 240px at 88% 0%,rgba(46,134,222,.12),transparent 60%),
             radial-gradient(560px 240px at 6% 100%,rgba(14,181,166,.14),transparent 60%);
  pointer-events:none;
}
.page-hero .inner{position:relative}
.page-hero .kicker{font-size:13px;letter-spacing:4px;color:var(--blue-d);font-weight:700;margin-bottom:10px}
.page-hero h1{font-size:clamp(30px,5vw,48px);font-weight:800;letter-spacing:3px}
.page-hero .sub{margin-top:12px;color:var(--ink-2);letter-spacing:2px}
.breadcrumb{margin-top:18px;font-size:13px;color:var(--ink-2);letter-spacing:1px}
.breadcrumb a{color:var(--teal-d)}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-md);background:#fff}
table.spec{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
table.spec th{background:#E8F5F1;color:#0D5C34;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap;letter-spacing:1px}
table.spec td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec tr:last-child td{border-bottom:none}
table.spec td b{color:var(--teal-d)}

/* ---------- FAQ 手风琴 ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow-md)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;
  letter-spacing:1px;display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--teal-d);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 22px 20px;color:var(--ink-2);font-size:14.5px}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(24px,4vw,48px)}
.contact-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-md);margin-bottom:16px}
.contact-item .ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#E6F6F4,#E3F2FB);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.contact-item h4{font-size:15px;letter-spacing:1px;color:var(--ink);margin-bottom:4px}
.contact-item p{font-size:15px;color:var(--ink-2)}
.contact-item p b{color:var(--teal-d);font-size:18px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(24px,4vw,40px);box-shadow:var(--shadow-lg)}
.form-card h3{font-size:20px;letter-spacing:2px;margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px;letter-spacing:1px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;
  font-size:15px;font-family:inherit;color:var(--ink);background:#FAFDFC;transition:border .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal)}
.field textarea{resize:vertical;min-height:96px}
.form-tip{font-size:12.5px;color:var(--ink-2);margin-top:10px}
.form-ok{display:none;background:#E8F7F1;border:1px solid rgba(14,181,166,.4);color:#0A7D43;border-radius:12px;padding:14px 18px;margin-top:14px;font-size:14.5px;font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E2A33;color:#B9D2D6;margin-top:clamp(56px,8vw,92px)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:clamp(40px,6vw,64px) 0 40px}
.footer-top h4{color:#fff;font-size:15px;letter-spacing:2px;margin-bottom:16px}
.footer-top p,.footer-top a{font-size:13.5px;color:#8FAeB5;color:#8FAEB5;line-height:2}
.footer-top a:hover{color:#fff}
.footer-brand img{height:44px;width:auto;background:#fff;border-radius:8px;padding:6px;margin-bottom:14px}
.footer-links a{display:block}
.footer-qr{width:110px;height:110px;border-radius:12px;background:#fff;padding:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#7A98A0}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .main-nav{
    display:none;position:absolute;top:68px;left:0;right:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 16px 18px;border-bottom:1px solid var(--line);box-shadow:0 18px 36px rgba(18,59,71,.12);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 16px;border-radius:12px}
  .nav-toggle{display:block}
  .header-call span{display:none}
  .header-call{padding:10px 14px}
}
@media (max-width:600px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .season-row{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}

/* ==========================================================
   WordPress 适配补充
   ========================================================== */
.main-nav ul,.main-nav li{list-style:none}
.main-nav li{display:contents}
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a{background:var(--grad-brand);color:#fff}

/* 正文排版(页面/文章编辑器内容) */
.entry-content{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-md);padding:clamp(24px,5vw,52px);font-size:15.5px;color:var(--ink)}
.entry-content h2{font-size:24px;letter-spacing:2px;margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--teal)}
.entry-content h3{font-size:19px;margin:24px 0 10px;color:var(--teal-d)}
.entry-content p{margin-bottom:14px;color:var(--ink-2)}
.entry-content ul,.entry-content ol{margin:0 0 16px 24px}
.entry-content li{margin-bottom:6px}
.entry-content a{color:var(--teal-d);text-decoration:underline}
.entry-content img{border-radius:14px;margin:16px 0}
.entry-content table{width:100%;border-collapse:collapse;margin:16px 0}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 12px;font-size:14px}
.entry-content th{background:#E8F5F1}

/* 文章/案例 列表卡片 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-md);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#E6F6F4,#E3F2FB)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-card .date{font-size:12.5px;color:var(--ink-2);letter-spacing:1px}
.post-card h3{font-size:17px;line-height:1.5}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--teal-d)}
.post-card .excerpt{font-size:13.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--teal-d)}
.empty-tip{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:48px 24px;text-align:center;color:var(--ink-2)}

/* 文章详情 */
.single-body{font-size:16px}
.single-body .meta{text-align:center;color:var(--ink-2);font-size:13.5px;letter-spacing:1px;margin-bottom:26px}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:30px;flex-wrap:wrap}
.pager a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 20px;font-size:14px;font-weight:600;color:var(--teal-d);box-shadow:var(--shadow-md)}
.pager a:hover{background:var(--teal);color:#fff;border-color:var(--teal)}

/* 计算器 iframe 全屏 */
.calc-frame{display:block;width:100%;height:calc(100vh - 68px);border:none;margin:0}
@media print{.site-header,.site-footer{display:none}}