/*
Theme Name: CRUX CARBON
Theme URI: https://www.cruxcarbon.com
Author: CRUX CARBON CO.,LTD
Author URI: https://www.cruxcarbon.com
Description: Professional B2B website theme for graphite & carbon materials manufacturer and supplier. Built for Elementor compatibility. Pages: Home, About, Products (GPC/CPC/Electrodes/Powder), News (Posts), Contact. Includes Google Translate button, WhatsApp inquiry, dynamic latest news shortcode.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.7
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: crux-carbon
Tags: business, corporate, e-commerce, responsive, translation-ready, one-column, custom-menu, featured-images
*/

/* ===== CRUX CARBON CO.,LTD — 全站样式 ===== */
:root{
  --bg:#ffffff; --mist:#f3f5f8; --line:#e4e8ee;
  --ink:#10151c; --ink-2:#1a222d; --ink-3:#26313f;
  --text:#202a36; --muted:#5e6b7c;
  --amber:#f5a623; --amber-deep:#e08e00;
  --amber-grad:linear-gradient(135deg,#ffb236,#f08c00);
  --radius:14px; --shadow:0 10px 30px rgba(16,21,28,.08);
  --font-head:'Barlow','Segoe UI',system-ui,sans-serif;
  --font-body:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}
.icon{flex:none;vertical-align:middle}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);font-weight:700;font-size:.95rem;padding:13px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:all .2s ease;line-height:1.2}
.btn-lg{padding:16px 32px;font-size:1.02rem}
.btn-sm{padding:9px 18px;font-size:.85rem}
.btn-primary{background:var(--amber-grad);color:#1a1300;box-shadow:0 6px 18px rgba(240,140,0,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,140,0,.45)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3)}
.text-link{font-weight:600;color:var(--amber-deep)}
.text-link:hover{text-decoration:underline}

/* ===== 页头 ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--ink);color:var(--amber);font-family:var(--font-head);font-weight:700;font-size:1.05rem;letter-spacing:.5px}
.brand-text{font-family:var(--font-head);font-weight:700;font-size:1.12rem;color:var(--ink);line-height:1.1;display:flex;flex-direction:column}
.brand-text small{font-size:.58rem;font-weight:600;letter-spacing:.22em;color:var(--muted)}
.main-nav{margin-left:auto}
.nav-list{list-style:none;display:flex;gap:6px}
.nav-item{position:relative}
.nav-link{display:block;padding:10px 14px;font-family:var(--font-head);font-weight:600;font-size:.95rem;color:var(--text);border-radius:8px;transition:color .15s}
.nav-link:hover{color:var(--amber-deep)}
.nav-link.active{color:var(--amber-deep)}
.sub-menu{list-style:none;position:absolute;top:100%;left:0;min-width:280px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .18s ease}
.has-sub:hover .sub-menu,.has-sub:focus-within .sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.sub-menu a{display:block;padding:9px 12px;border-radius:8px;font-size:.9rem;color:var(--text)}
.sub-menu a:hover{background:var(--mist);color:var(--amber-deep)}
.header-tools{display:flex;align-items:center;gap:14px}
.gtranslate{font-size:.85rem}
.gtranslate select{font-family:var(--font-body);padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);cursor:pointer}
.nav-toggle-check,.nav-toggle-label{display:none}

/* ===== 面包屑 (URL 层级路径) ===== */
.breadcrumb{background:var(--mist);border-bottom:1px solid var(--line);font-size:.82rem}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:10px 0;color:var(--muted)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:#b7c0cc}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--amber-deep);text-decoration:underline}
.breadcrumb li[aria-current="page"]{color:var(--text);font-weight:600}

/* ===== Hero ===== */
.hero{background:radial-gradient(1000px 500px at 80% -10%,rgba(245,166,35,.16),transparent 60%),radial-gradient(800px 400px at 10% 110%,rgba(38,49,63,.9),transparent 60%),var(--ink);color:#fff;padding:96px 0 84px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.hero .container{position:relative}
.hero-eyebrow{display:inline-block;font-family:var(--font-head);font-weight:700;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);border:1px solid rgba(245,166,35,.4);border-radius:999px;padding:7px 16px;margin-bottom:22px}
.hero h1{font-family:var(--font-head);font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.12;max-width:820px;margin-bottom:20px}
.hero-sub{max-width:760px;color:#c3ccd8;font-size:1.1rem;margin-bottom:30px}
.hero-sub a{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{list-style:none;display:flex;gap:42px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:28px}
.hero-stats strong{display:block;font-family:var(--font-head);font-size:1.5rem;color:var(--amber)}
.hero-stats span{font-size:.85rem;color:#9aa7b8}

/* ===== 区块 ===== */
.section{padding:84px 0}
.section-mist{background:var(--mist)}
.section-dark{background:var(--ink-2);color:#fff}
.section-dark .section-title{color:#fff}
.section-dark .section-sub{color:#aeb8c6}
.section-head{text-align:center;max-width:720px;margin:0 auto 52px}
.section-eyebrow{font-family:var(--font-head);font-weight:700;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber-deep);margin-bottom:10px}
.section-dark .section-eyebrow{color:var(--amber)}
.section-title{font-family:var(--font-head);font-size:clamp(1.6rem,3vw,2.3rem);color:var(--ink);line-height:1.2;margin-bottom:10px}
.section-dark .section-title{color:#fff}
.section-sub{color:var(--muted);font-size:1.02rem}
.section-dark .section-sub{color:#aeb8c6}
.section-more{text-align:center;margin-top:44px}

/* ===== 特性卡片 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:transform .2s,box-shadow .2s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:14px;background:rgba(245,166,35,.14);color:var(--amber-deep);margin-bottom:18px}
.feature-card h3{font-family:var(--font-head);font-size:1.15rem;margin-bottom:10px;color:var(--ink)}
.feature-card p{color:var(--muted);font-size:.95rem}

/* ===== 产品卡片 ===== */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.product-img{position:relative;height:150px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.9)}
.product-img-icon{opacity:.9}
.product-abbr{position:absolute;top:12px;right:14px;font-family:var(--font-head);font-weight:700;font-size:.72rem;letter-spacing:.12em;background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.25);padding:4px 10px;border-radius:999px}
.product-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.product-body h3{font-family:var(--font-head);font-size:1.08rem;color:var(--ink);line-height:1.25}
.product-body p{color:var(--muted);font-size:.9rem;flex:1}
.product-link{font-weight:600;color:var(--amber-deep);font-size:.9rem}
.product-card:hover .product-link{text-decoration:underline}

/* ===== 行业 ===== */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.industry-chip{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:18px 20px;color:#dbe2ea;font-weight:600;transition:all .2s}
.industry-chip:hover{background:var(--amber);color:#1a1300;border-color:var(--amber)}
.industry-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.industry-list a{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.12);border:2px solid rgba(245,166,35,.45);border-radius:12px;padding:16px 18px;color:#fff;font-weight:600;transition:all .2s}
.industry-list a:hover{background:var(--amber);color:#1a1300;border-color:var(--amber);box-shadow:0 4px 20px rgba(245,166,35,.40)}

/* ===== 关于首页块 ===== */
.about-split{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:center}
.about-media{height:380px;border-radius:var(--radius);background:radial-gradient(600px 300px at 30% 0%,rgba(245,166,35,.25),transparent 55%),var(--ink);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.about-media::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px}
.about-mark{font-family:var(--font-head);font-weight:700;font-size:5rem;color:var(--amber);opacity:.9}
.about-text h2{font-family:var(--font-head);font-size:clamp(1.6rem,3vw,2.3rem);color:var(--ink);margin-bottom:18px}
.about-text p{color:var(--muted);margin-bottom:16px}
.about-links{display:flex;align-items:center;gap:22px;margin-top:8px;flex-wrap:wrap}

/* ===== CTA banner ===== */
.cta-banner{background:radial-gradient(700px 300px at 85% -20%,rgba(255,255,255,.18),transparent 60%),var(--amber-grad);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-text h2{font-family:var(--font-head);font-size:clamp(1.5rem,2.6vw,2.1rem);color:#1a1300;margin-bottom:8px}
.cta-text p{color:#4a3a10;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-banner .btn-primary{background:#1a1300;color:#ffd98a;box-shadow:0 8px 22px rgba(26,19,0,.35)}
.cta-banner .btn-primary:hover{background:#000}
.cta-banner .btn-outline{border-color:#1a1300;color:#1a1300}
.cta-banner .btn-outline:hover{background:rgba(26,19,0,.1)}

/* ===== 新闻 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:12px;transition:box-shadow .2s}
.news-card:hover{box-shadow:var(--shadow)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:.8rem;color:var(--muted)}
.news-cat{background:rgba(245,166,35,.16);color:var(--amber-deep);font-weight:600;padding:3px 10px;border-radius:999px;font-size:.74rem}
.news-card h3{font-family:var(--font-head);font-size:1.1rem;line-height:1.3}
.news-card h3 a:hover{color:var(--amber-deep)}
.news-card p{color:var(--muted);font-size:.92rem;flex:1}
.news-list{max-width:860px;margin:0 auto}
.news-full{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;margin-bottom:28px}
.news-full h2{font-family:var(--font-head);font-size:1.45rem;color:var(--ink);margin:10px 0}
.news-excerpt{color:var(--muted);font-style:italic;margin-bottom:16px}
.news-related{margin-top:18px;font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}

/* ===== 页面 hero ===== */
.page-hero{background:radial-gradient(800px 380px at 85% -10%,rgba(245,166,35,.18),transparent 60%),var(--ink);color:#fff;padding:72px 0}
.page-hero h1{font-family:var(--font-head);font-size:clamp(1.8rem,3.6vw,2.8rem);line-height:1.15;max-width:840px;margin-bottom:14px}
.page-hero p{color:#c3ccd8;max-width:760px;margin-bottom:26px;font-size:1.05rem}
.product-hero{color:#fff;padding:72px 0}
.product-hero h1{font-family:var(--font-head);font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.15;max-width:880px;margin-bottom:18px}
.product-hero-intro{max-width:820px;color:#d4dbe4;margin-bottom:28px}
.product-hero-intro p{margin-bottom:12px}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.spec-table{width:100%;border-collapse:collapse;min-width:520px}
.spec-table th{background:var(--ink);color:#fff;text-align:left;font-family:var(--font-head);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;padding:14px 20px}
.spec-table td{padding:13px 20px;border-top:1px solid var(--line);font-size:.95rem}
.spec-table tbody tr:nth-child(even){background:var(--mist)}
.spec-note{margin-top:14px;color:var(--muted);font-size:.88rem}

/* ===== 优势 / 应用 ===== */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.why-item h3{font-family:var(--font-head);font-size:1.02rem;color:var(--ink);margin-bottom:8px}
.why-item p{color:var(--muted);font-size:.88rem}
.app-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:860px;margin:0 auto}
.app-list li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:10px;padding:14px 18px;font-weight:600;color:var(--ink)}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 22px;font-family:var(--font-head);font-weight:600;color:var(--ink);position:relative;padding-right:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--amber-deep);font-weight:700}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{border-bottom:1px solid var(--line)}
.faq-item p{padding:16px 22px;color:var(--muted);font-size:.95rem}

/* ===== 检查清单 / 正文 ===== */
.check-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:26px}
.check-list li{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-weight:600;color:var(--ink);font-size:.95rem}
.check-list .icon{color:var(--amber-deep)}
.prose{color:var(--muted);max-width:760px}
.prose p{margin-bottom:14px}
.prose a{color:var(--amber-deep);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.narrow{max-width:820px}

/* ===== 联系页 ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:48px;align-items:start}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:16px;margin-bottom:30px}
.contact-list li{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.contact-list .feature-icon{width:46px;height:46px;margin:0}
.contact-list strong{display:block;font-family:var(--font-head);font-size:.95rem;color:var(--ink)}
.contact-list a,.contact-list span{color:var(--muted);font-size:.92rem;word-break:break-all}
.contact-list a:hover{color:var(--amber-deep)}
.contact-info h2,.contact-form-wrap h2{font-family:var(--font-head);font-size:1.4rem;color:var(--ink);margin-bottom:22px}
.contact-social{margin-bottom:28px}
.contact-social p{font-family:var(--font-head);font-weight:600;font-size:.9rem;color:var(--ink);margin-bottom:10px}
.contact-products h3{font-family:var(--font-head);font-size:1rem;color:var(--ink);margin-bottom:10px}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-weight:600;font-size:.88rem;color:var(--ink);margin-bottom:6px}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:var(--font-body);font-size:.95rem;color:var(--text);background:#fff;transition:border-color .15s}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--amber)}
.form-hint{font-size:.82rem;color:var(--muted);margin-bottom:16px}
.form-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#c3ccd8;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15)}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text small{color:#8b97a8}
.footer-about>p{font-size:.9rem;margin-bottom:20px;color:#9aa7b8;max-width:320px}
.footer-title{font-family:var(--font-head);font-size:1rem;color:#fff;margin-bottom:16px;letter-spacing:.03em}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#b9c3d0;font-size:.9rem;transition:color .15s}
.footer-links a:hover{color:var(--amber)}
.footer-contact li{display:flex;align-items:center;gap:10px}
.footer-contact .icon{color:var(--amber)}
.social-links{display:flex;gap:12px;flex-wrap:wrap}
.social-btn{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#dbe2ea;padding:9px 16px;border-radius:999px;font-size:.85rem;font-weight:600;transition:all .18s}
.social-btn:hover{background:var(--amber);border-color:var(--amber);color:#1a1300}
.sb-brand.sb-linkedin{color:#0A66C2}.sb-brand.sb-facebook{color:#1877F2}
.social-btn:hover .sb-brand{color:#1a1300}
.footer-keywords{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:.88rem;color:#8b97a8;text-align:center}
.footer-keywords a{color:#c9d2dd}
.footer-keywords a:hover{color:var(--amber)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.84rem;color:#7e8a9b}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .header-inner{flex-wrap:wrap;padding:12px 0}
  .brand{margin-right:0}
  .nav-toggle-label{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-family:var(--font-head);font-weight:700;font-size:.9rem;color:var(--ink);padding:10px 14px;border:1px solid var(--line);border-radius:10px;margin-left:auto}
  .burger{width:18px;height:2px;background:var(--ink);position:relative;display:inline-block}
  .burger::before,.burger::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
  .burger::before{top:-6px}.burger::after{top:6px}
  .main-nav{order:3;width:100%;display:none}
  .nav-toggle-check:checked~.main-nav{display:block}
  .nav-list{flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:10px;margin-top:4px}
  .has-sub{position:static}
  .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;border-left:2px solid var(--amber);border-radius:0;margin:2px 0 8px 14px;padding:0;min-width:0}
  .header-tools{margin-left:auto;gap:10px}
  .header-cta{display:none}
  .gtranslate select{max-width:120px}
  .feature-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .about-split{grid-template-columns:1fr;gap:32px}
  .about-media{height:260px}
  .contact-grid{grid-template-columns:1fr}
  .industry-list{grid-template-columns:1fr}
  .app-list{grid-template-columns:1fr}
  .check-list{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .product-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .hero-stats li{width:45%}
  .section{padding:60px 0}
  .page-hero{padding:40px 0}
  .page-hero h1{font-size:1.4rem}
  .product-hero{padding:36px 0}
  .product-hero h1{font-size:1.3rem}
  .spec-table{min-width:auto}
  .footer-grid{grid-template-columns:1fr}
  .social-links{flex-direction:column;align-items:flex-start}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%;justify-content:center}
  .form-actions{flex-direction:column}
  .form-actions .btn{width:100%;justify-content:center}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%;justify-content:center}
  .hero-stats{flex-wrap:wrap}
  .hero h1{font-size:1.6rem}
  .hero-eyebrow{font-size:.72rem}
  .section-title{font-size:1.4rem}
}


/* ===== 文章详情页 (single.php) ===== */
.single-head{background:radial-gradient(800px 380px at 85% -10%,rgba(245,166,35,.18),transparent 60%),var(--ink);color:#fff;padding:64px 0 56px}
.single-head h1{font-family:var(--font-head);font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.15;max-width:860px;margin-bottom:14px}
.single-head .news-cat{background:rgba(245,166,35,.18);color:#ffc95e;font-weight:600;padding:4px 12px;border-radius:999px;font-size:.76rem;letter-spacing:.04em;display:inline-block;margin-bottom:14px}
.single-head time{color:#9aa7b8;font-size:.9rem}
.single-body{font-size:1.02rem;line-height:1.8}
.single-body h2,.single-body h3{margin:26px 0 10px;color:var(--ink);font-family:var(--font-head)}
.single-body p{margin-bottom:16px}
.single-body ul,.single-body ol{margin:0 0 16px 22px;color:var(--muted)}
.single-body blockquote{border-left:4px solid var(--amber);padding:10px 18px;background:var(--mist);color:var(--ink);margin-bottom:16px}
.single-cta{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;margin:40px 0 10px;text-align:center}
.single-cta h2{font-family:var(--font-head);font-size:1.4rem;color:var(--ink);margin-bottom:8px}
.single-cta p{color:var(--muted);margin-bottom:20px}
.single-cta .cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.post-nav{display:flex;justify-content:space-between;gap:20px;margin:34px 0 8px;font-size:.92rem}
.post-nav a{color:var(--amber-deep);font-weight:600}
.post-nav a:hover{text-decoration:underline}
.back-to-news{margin-top:6px}

/* ===== 产品图片 ===== */
.product-img{position:relative;height:150px;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;background:linear-gradient(135deg,#2b3442 0%,#141a24 100%)}
.product-img .product-img-tag{width:100%;height:100%;object-fit:cover}
.product-abbr{position:absolute;top:12px;right:14px;font-family:var(--font-head);font-size:1.3rem;font-weight:700;color:rgba(255,255,255,.75);letter-spacing:.06em}

/* ===== 新闻列表分页 ===== */
.pagination,.nav-links{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:40px}
.pagination .page-numbers,.nav-links .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);font-weight:600;font-size:.92rem}
.pagination .page-numbers.current,.nav-links .page-numbers.current{background:var(--ink);color:var(--amber);border-color:var(--ink)}
.pagination a:hover,.nav-links a:hover{border-color:var(--amber);color:var(--amber-deep)}

/* ===== 新闻空状态 ===== */
.news-empty{color:var(--muted);text-align:center;padding:24px;background:var(--mist);border:1px dashed var(--line);border-radius:var(--radius)}