:root{
  --color-primary:#0F4C81;
  --color-primary-dark:#093658;
  --color-accent:#F26A21;
  --color-bg:#F5F7FA;
  --color-surface:#FFFFFF;
  --color-text:#1F2933;
  --color-text-muted:#6B7785;
  --color-border:#DCE3EB;
  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --font-title:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --radius-card:8px;
  --radius-btn:6px;
  --shadow-card:0 2px 10px rgba(15,76,129,.08);
  --container:1360px;
  --space-sm:8px;
  --space-md:16px;
  --space-lg:32px;
  --space-xl:56px;
  --header-h:68px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--color-primary);text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-title);margin:0 0 var(--space-md);line-height:1.3;color:var(--color-text)}
h1{font-size:34px;font-weight:800}
h2{font-size:26px;font-weight:800}
h3{font-size:18px;font-weight:700}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:var(--space-xl) 0}
.section--alt{background:var(--color-surface)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--color-accent);font-weight:700;margin-bottom:6px;text-transform:uppercase}
.lead{color:var(--color-text-muted);font-size:16px;max-width:900px;margin-bottom:var(--space-lg)}
.section-head{margin-bottom:var(--space-lg)}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--color-surface);border-bottom:1px solid var(--color-border);height:var(--header-h)}
.nav-bar{display:flex;align-items:center;gap:var(--space-lg);height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--color-primary);font-size:17px;white-space:nowrap}
.brand img{height:42px;width:auto}
.menu{display:flex;align-items:center;gap:4px;margin-left:auto;list-style:none;padding:0}
.menu li{position:relative}
.menu a,.menu button.nav-drop{display:block;padding:10px 12px;font-size:15px;color:var(--color-text);background:none;border:0;font-family:inherit;cursor:pointer}
.menu a:hover,.menu button.nav-drop:hover{color:var(--color-primary)}
.submenu{display:none;position:absolute;left:0;top:100%;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);min-width:190px;padding:6px;list-style:none;margin:0}
.menu li:hover .submenu,.menu li.open .submenu{display:block}
.cta-btn{display:inline-block;background:var(--color-accent);color:#fff;padding:11px 20px;border-radius:var(--radius-btn);font-weight:700;border:0;cursor:pointer;font-family:inherit;font-size:15px;box-shadow:0 1px 2px rgba(0,0,0,.12),0 0 0 rgba(242,106,33,0);transition:background .25s ease,box-shadow .3s ease,transform .3s cubic-bezier(.32,.72,.36,1)}
.cta-btn:hover{background:#d8570f;color:#fff;box-shadow:0 8px 22px rgba(242,106,33,.32),0 2px 6px rgba(0,0,0,.14);transform:translateY(-2px)}
.cta-btn:active{transform:translateY(0) scale(.98)}
.cta-btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--color-border);border-radius:var(--radius-btn);padding:8px 12px;font-size:15px;cursor:pointer;color:var(--color-primary)}
/* hero */
.hero{position:relative;background:linear-gradient(100deg,#093658 0%,#0F4C81 54%,#0F4C81 100%);color:#fff;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:center;padding-top:84px;padding-bottom:76px;min-height:520px}
.hero-copy{position:relative;z-index:2;padding-right:10px}
.hero-copy h1{max-width:600px}
.hero h1{color:#fff}
.hero p{color:rgba(255,255,255,.9);font-size:17px}
.hero-media{position:absolute;top:0;right:0;bottom:0;left:0;height:auto;margin:0;z-index:0}
.hero-frame{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;transition:opacity .9s ease}
.hero-frame.is-active{opacity:1}
.hero-frame img{width:100%;height:100%;object-fit:cover;object-position:74% 50%;-webkit-mask-image:linear-gradient(90deg,transparent 0,rgba(0,0,0,.42) 18%,#000 48%);mask-image:linear-gradient(90deg,transparent 0,rgba(0,0,0,.42) 18%,#000 48%)}
.hero-frame--machine{left:36%}
.hero-frame--machine img{-webkit-mask-image:linear-gradient(90deg,transparent 0,rgba(0,0,0,.45) 16%,#000 46%);mask-image:linear-gradient(90deg,transparent 0,rgba(0,0,0,.45) 16%,#000 46%);object-position:78% 42%}
.hero-media::after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(90deg,rgba(9,54,88,.95) -20%,rgba(11,60,96,.8) 18%,rgba(15,76,129,.14) 44%,rgba(15,76,129,0) 58%)}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin:var(--space-md) 0 var(--space-lg)}
.hero-chips span{border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:5px 14px;font-size:14px;transition:border-color .3s ease,background-color .3s ease,transform .3s cubic-bezier(.32,.72,.36,1)}
.hero-chips span:hover{border-color:rgba(255,255,255,.9);background:rgba(255,255,255,.12);transform:translateY(-2px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-note{margin-top:18px;font-size:14px;color:rgba(255,255,255,.82)}
/* trust bar */
.trustbar{background:var(--color-primary-dark);color:#fff}
.trustbar ul{list-style:none;margin:0;padding:18px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.trustbar li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;transition:transform .3s cubic-bezier(.32,.72,.36,1)}
.trustbar li:hover{transform:translateY(-3px)}
.trustbar strong{display:block;font-size:15px}
.trustbar small{color:rgba(255,255,255,.78)}
/* cards */
.grid{display:grid;gap:var(--space-md)}
.grid--5{grid-template-columns:repeat(5,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px;display:flex;flex-direction:column;gap:8px;transition:transform .35s cubic-bezier(.32,.72,.36,1),box-shadow .35s ease,border-color .3s ease}
.card:hover{border-color:var(--color-primary);transform:translateY(-4px);box-shadow:0 14px 32px rgba(15,76,129,.14)}
.card h3 a{color:var(--color-primary)}
.card p{margin:0;color:var(--color-text-muted);font-size:14.5px}
.card .tag{font-size:12.5px;color:var(--color-accent);font-weight:700}
.ico{width:34px;height:34px}
.card-img{margin:-20px -20px 12px;border-radius:var(--radius-card) var(--radius-card) 0 0;overflow:hidden}
.card-img img{width:100%;height:170px;object-fit:cover;transition:transform .5s cubic-bezier(.32,.72,.36,1)}
.card:hover .card-img img{transform:scale(1.05)}
/* table */
.spec-table{width:100%;border-collapse:collapse;background:var(--color-surface);font-size:14.5px}
.spec-table th,.spec-table td{border:1px solid var(--color-border);padding:11px 12px;text-align:left;vertical-align:top}
.spec-table thead th{background:var(--color-primary);color:#fff;font-weight:700}
.spec-table tbody tr:nth-child(even){background:#FAFBFD}
.table-wrap{overflow-x:auto}
/* faq */
.faq details{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:14px 18px;margin-bottom:10px;transition:border-color .3s ease,box-shadow .3s ease}
.faq details:hover{border-color:var(--color-primary);box-shadow:0 6px 18px rgba(15,76,129,.08)}
.faq summary{font-weight:700;cursor:pointer;color:var(--color-primary)}
.faq details p{margin:10px 0 0;color:var(--color-text)}
/* contact split */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--space-lg);align-items:start}
.panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
label{font-size:14px;font-weight:600;color:var(--color-text)}
input,select,textarea{font-family:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-btn);background:#fff;color:var(--color-text)}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(15,76,129,.25);border-color:var(--color-primary)}
.form-note{font-size:13px;color:var(--color-text-muted);margin-top:10px}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.contact-list li{display:flex;gap:10px;font-size:15px;align-items:flex-start}
.contact-list strong{display:block;font-size:14px;color:var(--color-text-muted);font-weight:600}
/* footer */
.site-footer{background:#11202B;color:#C9D4DE;padding:var(--space-xl) 0 var(--space-lg);font-size:14.5px}
.site-footer h3{color:#fff;font-size:15px}
.site-footer a{color:#C9D4DE}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--space-lg)}
.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.footer-bottom{border-top:1px solid #253846;margin-top:var(--space-lg);padding-top:16px;color:#8FA1B0;font-size:13.5px}
/* catalog sidebar layout */
.layout-side{display:grid;grid-template-columns:250px minmax(0,1fr);gap:var(--space-lg);align-items:start}
.side-nav{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.side-nav a{display:block;padding:9px 12px;border-radius:var(--radius-btn);font-size:14.5px;color:var(--color-text)}
.side-nav a:hover{background:#EEF3F9;color:var(--color-primary)}
.side-nav a.is-active{background:var(--color-primary);color:#fff;font-weight:700}
.side-title{margin:0 0 12px;font-size:15px;color:var(--color-primary)}
.panel--sticky{position:sticky;top:calc(var(--header-h) + 16px)}
/* responsive */

/* === siteforge:inner-page-scaffold:begin style=title_band === */
/* title_band: 营销内页用 .page-hero.page-hero--slim；勿叠大图 */
.page-hero {
  position: relative;
  padding: calc(var(--header-h, 72px) + 48px) 0 56px;
  color: var(--color-on-dark, #e8eef4);
  background:
    linear-gradient(135deg, var(--color-primary, #1b3a6b) 0%, color-mix(in srgb, var(--color-primary, #1b3a6b) 78%, #000) 100%),
    var(--page-hero-image, none) center / cover no-repeat;
  background-blend-mode: overlay, normal;
}
.page-hero h1 { color: #fff; margin: 0 0 14px; font-size: 2.2rem; line-height: 1.2; }
.page-hero .eyebrow { margin-bottom: 10px; color: var(--color-accent, #f59e0b); }
.page-hero p.lead,
.page-hero .lead { color: var(--color-on-dark-muted, #c7d6e9); max-width: 40rem; margin: 0; }
.page-hero--slim { padding: calc(var(--header-h, 72px) + 36px) 0 40px; }
.page-hero--slim h1 { font-size: 1.9rem; }
.page-hero--full { padding: calc(var(--header-h, 72px) + 72px) 0 80px; min-height: 42vh; }
.page-hero--full h1 { font-size: 2.5rem; }

.breadcrumb { margin: 0 0 18px; font-size: 0.9rem; }
.breadcrumb ol {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  list-style: none; margin: 0; padding: 0;
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: rgba(255,255,255,.35); }
.breadcrumb a { color: var(--color-on-dark-muted, #c7d6e9); }
.breadcrumb a:hover { color: var(--color-accent, #f59e0b); text-decoration: none; }
.breadcrumb [aria-current="page"] { color: #fff; font-weight: 600; }

.table-wrap { overflow-x: auto; margin: 1.25rem 0; }
.spec-table {
  width: 100%; border-collapse: collapse; font-size: 0.95rem;
  background: var(--color-surface, #fff);
}
.spec-table th, .spec-table td {
  border: 1px solid var(--color-border, #e3e8ee);
  padding: 0.65rem 0.85rem; text-align: left; vertical-align: top;
}
.spec-table th { background: color-mix(in srgb, var(--color-primary, #1b3a6b) 8%, #fff); color: var(--color-primary, #1b3a6b); }

@media (max-width: 768px) {
  .page-hero h1 { font-size: 1.7rem; }
  .page-hero--slim h1 { font-size: 1.55rem; }
  .page-hero--full h1 { font-size: 1.85rem; }
}
/* === siteforge:inner-page-scaffold:end === */

@media (max-width:1080px){
  .grid--5{grid-template-columns:repeat(3,1fr)}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .trustbar ul{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
.layout-side{grid-template-columns:1fr}
.panel--sticky{position:static}
.hero-inner{gap:28px;padding-top:60px;padding-bottom:56px;min-height:440px}
.hero-copy{margin-left:0;max-width:520px}
.hero-frame img{object-position:76% 50%}
}
/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.32,.72,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.card,.card-img img,.trustbar li,.faq details,.cta-btn,.hero-chips span{transition:none}}
@media (max-width:760px){
  h1{font-size:26px}
  h2{font-size:22px}
  .section{padding:40px 0}
  .nav-toggle{display:block}
  .menu{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--color-surface);flex-direction:column;align-items:stretch;padding:10px;border-bottom:1px solid var(--color-border);gap:0}
  .menu.open{display:flex}
  .menu a,.menu button.nav-drop{text-align:left;padding:12px}
  .submenu{position:static;box-shadow:none;border:0;border-left:2px solid var(--color-border);border-radius:0;margin-left:12px;min-width:0}
  .menu .nav-cta{margin:10px 12px}
  .grid--5,.grid--3,.grid--2,.grid--4,.split{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .trustbar ul{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:0}
.hero-inner{grid-template-columns:1fr;gap:0;padding-top:0;padding-bottom:0;min-height:0}
.hero-copy{padding:40px 0 44px}
.hero-media{position:absolute;top:0;right:0;bottom:0;left:0;margin:0}
.hero-frame img{object-position:70% 50%;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.45) 0%,#000 40%,#000 100%);mask-image:linear-gradient(180deg,rgba(0,0,0,.45) 0%,#000 40%,#000 100%)}
.hero-frame--machine{left:0}
.hero-frame--machine img{object-position:74% 46%;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.4) 0%,#000 44%,#000 100%);mask-image:linear-gradient(180deg,rgba(0,0,0,.4) 0%,#000 44%,#000 100%)}
.hero-media::after{background:linear-gradient(180deg,rgba(9,54,88,.96) 0%,rgba(11,60,96,.84) 40%,rgba(14,71,116,.6) 66%,rgba(13,68,110,.78) 100%)}
}