/* press.模具设计.中国 — 独立样式（.pds- 前缀，深石板蓝 + 工业橙） */
:root{
  --pds-h2-inset: 12px;
  --pds-navy:#0e1726;
  --pds-navy2:#16233a;
  --pds-ink:#1a2230;
  --pds-ink2:#46556b;
  --pds-line:#e3e8ef;
  --pds-bg:#f4f6fa;
  --pds-card:#ffffff;
  --pds-accent:#ff6a13;
  --pds-accent-d:#e2540a;
  --pds-blue:#1f6feb;
  --pds-soft:#eef3fb;
  --pds-radius:14px;
  --pds-shadow:0 6px 24px rgba(14,23,38,.08);
  --pds-maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"Segoe UI",-apple-system,"PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  color:var(--pds-ink);background:var(--pds-bg);line-height:1.75;-webkit-font-smoothing:antialiased;
}
a{color:var(--pds-blue);text-decoration:none}
a:hover{color:var(--pds-accent-d)}

/* 顶部导航 */
.pds-topbar{position:sticky;top:0;z-index:50;background:rgba(14,23,38,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.pds-topbar-inner{max-width:var(--pds-maxw);margin:0 auto;padding:0 24px;height:62px;display:flex;align-items:center;gap:22px}
.pds-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.3px}
.pds-brand-mark{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--pds-accent),#ffb070);position:relative;flex:none}
.pds-brand-mark::after{content:"";position:absolute;inset:6px;border:2px solid #0e1726;border-radius:3px}
.pds-brand-name{white-space:nowrap}
.pds-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.pds-nav-item{position:relative}
.pds-nav-item>a,.pds-nav-link{display:flex;align-items:center;gap:5px;color:#cdd6e3;padding:8px 13px;border-radius:8px;font-size:15px;font-weight:500}
.pds-nav-item>a:hover,.pds-nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
.pds-caret{font-size:10px;opacity:.7}
.pds-has-sub .pds-sub{position:absolute;top:100%;left:0;min-width:210px;background:#fff;border-radius:12px;box-shadow:var(--pds-shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.pds-has-sub:hover .pds-sub{opacity:1;visibility:visible;transform:none}
.pds-sub-link{display:block;padding:9px 12px;border-radius:8px;color:var(--pds-ink);font-size:14px}
.pds-sub-link:hover{background:var(--pds-soft);color:var(--pds-accent-d)}
.pds-nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:8px;font-size:18px;width:42px;height:38px;cursor:pointer;margin-left:auto}

/* 面包屑（左缘与 H2 对齐） */
.pds-crumbs{max-width:var(--pds-maxw);margin:0 auto;padding:18px 24px 6px}
.pds-crumbs-inner{padding-left:calc(var(--pds-h2-inset) + 4px);font-size:13.5px;color:var(--pds-ink2)}
.pds-crumbs-inner a{color:var(--pds-ink2)}
.pds-crumbs-inner a:hover{color:var(--pds-accent-d)}
.pds-crumbs-inner{display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.pds-crumbs-inner>:not(:last-child)::after{content:"/";margin-left:7px;color:#b6c0cf}

/* 主体 */
.pds-main{max-width:var(--pds-maxw);margin:0 auto;padding:8px 24px 56px}
.pds-main--wide{}
.pds-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:36px;align-items:start}

/* 文章/产品主体 */
.pds-h1{font-size:30px;line-height:1.3;margin:6px 0 10px;color:var(--pds-navy);font-weight:800;letter-spacing:.2px}
.pds-meta-line{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--pds-ink2);border-bottom:1px dashed var(--pds-line);padding-bottom:14px;margin-bottom:18px}
.pds-p{margin:14px 0;font-size:16px;color:#26303f}
.pds-h2{font-size:22px;margin:34px 0 12px;color:var(--pds-navy);font-weight:700;padding-left:var(--pds-h2-inset);border-left:4px solid var(--pds-accent)}
.pds-h3{font-size:18px;margin:22px 0 8px;color:var(--pds-navy2);font-weight:700}
.pds-h4{font-size:16px;margin:16px 0 6px;color:var(--pds-ink);font-weight:700}
.pds-ul,.pds-ol{margin:12px 0;padding-left:24px}
.pds-ul li,.pds-ol li{margin:6px 0}
.pds-quote{border-left:4px solid var(--pds-blue);background:var(--pds-soft);margin:16px 0;padding:12px 16px;color:var(--pds-ink2);border-radius:0 8px 8px 0}
.pds-hr{border:none;border-top:1px solid var(--pds-line);margin:26px 0}

/* 摘要块 */
.pds-summary{background:linear-gradient(180deg,#fff,#fbfdff);border:1px solid var(--pds-line);border-left:4px solid var(--pds-accent);border-radius:12px;padding:16px 18px;margin:6px 0 22px;box-shadow:var(--pds-shadow)}
.pds-summary-label{display:inline-block;background:var(--pds-accent);color:#fff;font-size:12px;font-weight:700;padding:2px 10px;border-radius:20px;margin-bottom:8px}
.pds-summary p{margin:0;font-size:15.5px;color:var(--pds-ink)}

/* 结论块 */
.pds-conclusion{background:var(--pds-navy);color:#eaf0f8;border-radius:12px;padding:18px 20px;margin:26px 0}
.pds-conclusion-label{color:#ffb070;font-size:15px;margin:0 0 8px;font-weight:700;letter-spacing:.4px}
.pds-conclusion p{margin:0;font-size:15.5px;color:#dde6f1}

/* 表格 */
.pds-table-wrap{overflow-x:auto;margin:18px 0;border-radius:12px;border:1px solid var(--pds-line);box-shadow:var(--pds-shadow)}
.pds-table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff}
.pds-table th{background:var(--pds-navy);color:#fff;text-align:left;padding:11px 14px;font-weight:600;white-space:nowrap}
.pds-table td{padding:10px 14px;border-top:1px solid var(--pds-line);color:var(--pds-ink)}
.pds-table tbody tr:nth-child(even){background:#fafcff}

/* FAQ */
.pds-faq{margin:14px 0 8px;display:flex;flex-direction:column;gap:10px}
.pds-faq-item{border:1px solid var(--pds-line);border-radius:10px;background:#fff;overflow:hidden}
.pds-faq-item summary{cursor:pointer;padding:13px 16px;font-weight:600;color:var(--pds-navy);list-style:none;position:relative;padding-right:38px}
.pds-faq-item summary::-webkit-details-marker{display:none}
.pds-faq-item summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--pds-accent)}
.pds-faq-item[open] summary::after{content:"−"}
.pds-faq-a{padding:0 16px 14px;color:var(--pds-ink);font-size:15px}

/* 相关阅读 */
.pds-related{margin-top:34px;border-top:2px solid var(--pds-line);padding-top:20px}
.pds-related-title{font-size:19px;color:var(--pds-navy);margin:0 0 14px}
.pds-related-card{display:block;background:#fff;border:1px solid var(--pds-line);border-radius:12px;padding:14px 16px;margin-bottom:10px;transition:.18s}
.pds-related-card:hover{box-shadow:var(--pds-shadow);border-color:var(--pds-accent);transform:translateX(3px)}
.pds-related-cat{display:block;font-size:12px;color:var(--pds-accent-d);font-weight:600;margin-bottom:4px}
.pds-related-title2{display:block;font-size:16px;font-weight:700;color:var(--pds-navy);margin-bottom:4px}
.pds-related-desc{display:block;font-size:13.5px;color:var(--pds-ink2)}

/* 交付物 / 流程 */
.pds-deliver{margin:18px 0}
.pds-flow{margin:18px 0}
.pds-flow-list{counter-reset:step;list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:10px}
.pds-flow-list li{background:#fff;border:1px solid var(--pds-line);border-radius:10px;padding:12px 14px 12px 50px;position:relative;font-size:15px}
.pds-step-n{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;background:var(--pds-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}

/* 右栏 TOC */
.pds-aside{position:sticky;top:84px}
.pds-toc{background:#fff;border:1px solid var(--pds-line);border-radius:12px;padding:14px 12px;box-shadow:var(--pds-shadow)}
.pds-toc-title{font-size:13px;font-weight:700;color:var(--pds-ink2);letter-spacing:.5px;margin-bottom:10px;text-transform:uppercase}
.pds-toc-list{list-style:none;margin:0;padding:0;counter-reset:toc}
.pds-toc-list li{margin:2px 0}
.pds-toc-list a{display:block;padding:5px 9px;border-radius:7px;font-size:13px;line-height:1.5;color:var(--pds-ink2);border-left:2px solid transparent}
.pds-toc-list a:hover{background:var(--pds-soft);color:var(--pds-accent-d);border-left-color:var(--pds-accent)}

/* 悬浮胶囊 */
.pds-capsule{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;gap:10px}
.pds-cap-btn{width:54px;height:54px;border-radius:27px;border:none;background:linear-gradient(135deg,var(--pds-accent),var(--pds-accent-d));color:#fff;font-size:18px;cursor:pointer;box-shadow:0 6px 18px rgba(255,106,19,.4);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;transition:.18s}
.pds-cap-btn span{font-size:10px;font-weight:600}
.pds-cap-btn:hover{transform:scale(1.06)}
.pds-cap-btn#pdsCapTop{background:linear-gradient(135deg,#2b3b54,#16233a)}

/* 名片弹窗 */
.pds-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center}
.pds-modal[hidden]{display:none}
.pds-modal-mask{position:absolute;inset:0;background:rgba(10,16,26,.6)}
.pds-modal-card{position:relative;background:#fff;border-radius:14px;padding:10px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.pds-modal-card img{display:block;border-radius:8px;width:300px;height:500px;object-fit:contain}
.pds-modal-close{position:absolute;top:-14px;right:-14px;width:34px;height:34px;border-radius:50%;border:none;background:#fff;color:#0e1726;font-size:20px;cursor:pointer;box-shadow:var(--pds-shadow)}

/* 首页 */
.pds-hero{background:radial-gradient(1200px 400px at 20% -10%,rgba(255,106,19,.18),transparent),linear-gradient(135deg,var(--pds-navy),var(--pds-navy2));color:#fff;border-radius:0 0 28px 28px;padding:64px 0 56px;margin:0 -24px}
.pds-hero-inner{max-width:var(--pds-maxw);margin:0 auto;padding:0 24px}
.pds-hero-title{font-size:42px;font-weight:800;margin:0 0 16px;letter-spacing:1px}
.pds-hero-sub{font-size:18px;max-width:760px;color:#cdd9ea;line-height:1.8;margin:0 0 26px}
.pds-hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.pds-btn{padding:13px 24px;border-radius:30px;font-size:15px;font-weight:700;cursor:pointer;border:none}
.pds-btn-primary{background:var(--pds-accent);color:#fff;box-shadow:0 8px 22px rgba(255,106,19,.45)}
.pds-btn-primary:hover{background:var(--pds-accent-d);color:#fff}
.pds-btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff}
.pds-btn-ghost:hover{border-color:#fff;color:#fff}
.pds-sec{max-width:var(--pds-maxw);margin:46px auto 0;padding:0 24px}
.pds-sec-title{font-size:26px;color:var(--pds-navy);font-weight:800;margin:0 0 20px;position:relative;padding-left:14px}
.pds-sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--pds-accent)}
.pds-note{font-size:14px;color:var(--pds-ink2);background:var(--pds-soft);border-radius:10px;padding:10px 14px;margin:0 0 14px}
.pds-svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.pds-svc{display:block;background:#fff;border:1px solid var(--pds-line);border-radius:14px;padding:18px;transition:.18s;box-shadow:var(--pds-shadow)}
.pds-svc:hover{transform:translateY(-4px);border-color:var(--pds-accent)}
.pds-svc-name{display:block;font-size:17px;font-weight:700;color:var(--pds-navy);margin-bottom:8px}
.pds-svc-desc{display:block;font-size:14px;color:var(--pds-ink2);line-height:1.7}
.pds-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.pds-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--pds-line);border-radius:14px;padding:18px;transition:.18s;box-shadow:var(--pds-shadow)}
.pds-card:hover{transform:translateY(-4px);border-color:var(--pds-accent)}
.pds-card-cat{font-size:12px;color:var(--pds-accent-d);font-weight:700;margin-bottom:6px}
.pds-card-title{font-size:17px;font-weight:700;color:var(--pds-navy);margin-bottom:8px;line-height:1.4}
.pds-card-desc{font-size:14px;color:var(--pds-ink2);line-height:1.65}
.pds-more{display:inline-block;margin-top:16px;font-weight:600}

/* 页脚 */
.pds-footer{background:var(--pds-navy);color:#aeb9c9;margin-top:60px;padding:38px 0}
.pds-footer-inner{max-width:var(--pds-maxw);margin:0 auto;padding:0 24px}
.pds-footer-brand{color:#fff;font-weight:800;font-size:18px;margin-bottom:8px}
.pds-footer-desc{max-width:680px;font-size:14px;line-height:1.7;margin:0 0 16px}
.pds-footer-nav{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:14px}
.pds-footer-nav a{color:#cdd6e3;font-size:14px}
.pds-footer-nav a:hover{color:var(--pds-accent)}
.pds-footer-copy{font-size:13px;color:#7d8aa0;border-top:1px solid rgba(255,255,255,.08);padding-top:14px;margin:0}

/* 响应式 */
@media (max-width:920px){
  .pds-detail-grid{grid-template-columns:1fr}
  .pds-aside{display:none}
  .pds-nav{position:absolute;top:62px;left:0;right:0;background:var(--pds-navy);flex-direction:column;align-items:stretch;padding:10px 16px;gap:2px;display:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .pds-nav.open{display:flex}
  .pds-nav-item{position:static}
  .pds-has-sub .pds-sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.04);min-width:0;padding:4px 0 4px 12px;display:none}
  .pds-has-sub.open .pds-sub{display:block}
  .pds-nav-toggle{display:block}
  .pds-hero-title{font-size:30px}
  .pds-h1{font-size:25px}
}
@media (max-width:560px){
  .pds-crumbs,.pds-main{padding-left:16px;padding-right:16px}
  .pds-hero{margin:0 -16px}
  .pds-hero-inner,.pds-sec{padding-left:16px;padding-right:16px}
}