:root{
  --ink:#121212;--text:#41444b;--muted:#74767d;--line:#ece7e2;--paper:#fcfaf8;--white:#fff;
  --brand:#ef3b1e;--brand-deep:#c91d08;--brand-soft:#fff1eb;--dark:#17191d;
  --shadow:0 24px 60px -34px rgba(20,20,20,.34);--radius:18px;--wrap:min(1180px,calc(100% - 40px));
}
body.theme-huanpeng{--brand:#f05a24;--brand-deep:#c93c0e;--brand-soft:#fff2ea}
body.theme-bruker{--brand:#1767b2;--brand-deep:#0b3f7a;--brand-soft:#eaf4ff}
body.theme-sambaro{--brand:#1459d9;--brand-deep:#073d9c;--brand-soft:#edf4ff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Avenir Next","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:radial-gradient(circle at top left,color-mix(in srgb,var(--brand) 7%,transparent),transparent 28%),linear-gradient(180deg,#fff 0%,var(--paper) 36%,#fff 100%);line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}.wrap{width:var(--wrap);margin:0 auto}
.topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(18,18,18,.08)}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.expo-brand{display:flex;align-items:center;gap:14px;min-width:0}.expo-mark{width:50px;height:50px;border-radius:10px;background:linear-gradient(135deg,var(--brand-deep),var(--brand));color:#fff;display:grid;place-items:center;font-weight:900;letter-spacing:.04em;box-shadow:var(--shadow);flex:0 0 auto}.expo-title{font-size:1.3rem;font-weight:900;line-height:1.28}.nav-links{display:flex;align-items:center;gap:24px;color:var(--muted);font-size:.9rem;font-weight:800}.nav-links a{padding:8px 0;border-bottom:2px solid transparent}.nav-links a:hover{color:var(--brand);border-color:var(--brand)}.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer}
.breadcrumb{width:var(--wrap);margin:0 auto;padding:14px 0;color:var(--muted);font-size:.84rem}.breadcrumb a{color:var(--brand);font-weight:800}.breadcrumb span{padding:0 8px;color:#b4b4b8}
.hero{position:relative;min-height:640px;overflow:hidden;background:#eef3f8;isolation:isolate}.hero::before{content:"";position:absolute;inset:0;z-index:-3;background:linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.91) 33%,rgba(255,255,255,.48) 56%,rgba(10,14,18,.08) 100%),var(--hero-image) right center/cover no-repeat}.hero::after{content:"";position:absolute;left:-3%;right:-3%;bottom:-170px;height:260px;z-index:-1;background:#fff;border-radius:50% 50% 0 0/28% 28% 0 0;border-top:12px solid var(--brand)}
.hero-inner{width:var(--wrap);min-height:640px;margin:0 auto;padding:72px 390px 112px 0;display:grid;align-items:center;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:12px;color:var(--brand);font-size:.78rem;font-weight:900;letter-spacing:.17em;text-transform:uppercase;margin-bottom:18px}.eyebrow::before{content:"";width:38px;height:3px;border-radius:999px;background:var(--brand)}h1{max-width:700px;color:var(--brand);font-size:clamp(2.8rem,5.3vw,4.8rem);line-height:1.03;letter-spacing:-.035em;font-weight:950;margin-bottom:20px}.hero-subtitle{max-width:650px;color:#1f2229;font-size:clamp(1.28rem,2.2vw,1.9rem);line-height:1.35;font-weight:900;margin-bottom:16px}.hero-lead{max-width:590px;color:#454a54;font-size:1rem;margin-bottom:28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:11px 22px;border-radius:999px;font-size:.94rem;font-weight:900;border:1px solid transparent;transition:.18s ease;cursor:pointer}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 18px 34px -20px color-mix(in srgb,var(--brand) 70%,transparent)}.btn-ghost{background:rgba(255,255,255,.78);color:var(--ink);border-color:rgba(18,18,18,.08)}
.hero-card{background:rgba(255,255,255,.93);border:1px solid rgba(255,255,255,.7);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);position:absolute;right:0;bottom:130px;width:340px}.hero-card h2{font-size:1.16rem;line-height:1.35;margin-bottom:12px}.hero-card>p{color:var(--text);font-size:.92rem;margin-bottom:16px}.hero-meta{display:grid;gap:10px}.hero-meta div{padding:11px 13px;border-radius:13px;background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 14%,transparent)}.hero-meta strong{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin-bottom:3px}.hero-meta span{display:block;color:#202127;font-size:.9rem;font-weight:800;line-height:1.5}
main section{padding:76px 0}.section-head{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:end;margin-bottom:30px}.section-head h2{font-size:clamp(1.9rem,3.2vw,2.7rem);line-height:1.12;letter-spacing:-.02em}.section-head p{color:var(--muted);max-width:760px}.overview{background:linear-gradient(180deg,#fff 0%,var(--brand-soft) 160%)}.overview-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(350px,.9fr);gap:28px}.article-card,.cap-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.article-card,.cap-card{padding:32px}.article-card p{color:var(--text);margin-bottom:14px}.article-card p:last-child{margin-bottom:0}.brands{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.brands span{display:inline-flex;align-items:center;min-height:36px;padding:0 13px;border-radius:999px;background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 16%,transparent);color:var(--brand-deep);font-size:.84rem;font-weight:900}.cap-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:10px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.cap-item{min-height:104px;padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;justify-content:center;gap:7px}.cap-item strong{color:var(--brand);font-size:1.2rem}.cap-item span{font-size:.92rem;font-weight:800}
.products{background:linear-gradient(180deg,#fff 0%,#fff 68%,var(--brand-soft) 140%)}.product-stack{display:grid;gap:18px}.product-card{display:grid;grid-template-columns:minmax(330px,42%) minmax(0,1fr);min-height:400px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow)}.product-card.reverse{grid-template-columns:minmax(0,1fr) minmax(330px,42%)}.product-media{min-height:100%;background:var(--brand-soft);display:flex;align-items:stretch;justify-content:center}.product-media.contain{align-items:center;padding:20px}.product-media img{width:100%;height:100%;object-fit:cover;cursor:zoom-in}.product-media.contain img{height:auto;max-height:420px;object-fit:contain}.product-copy{padding:40px;display:flex;flex-direction:column;justify-content:center}.product-no{color:var(--brand);font-size:.82rem;font-weight:900;letter-spacing:.15em;text-transform:uppercase;margin-bottom:12px}.product-copy h3{font-size:1.9rem;line-height:1.18;margin-bottom:16px}.product-copy p{color:var(--text);margin-bottom:18px}.bullet-list{display:grid;gap:10px;list-style:none}.bullet-list li{position:relative;padding-left:23px;color:#282b31;font-size:.92rem;font-weight:700}.bullet-list li::before{content:"";position:absolute;left:0;top:.67em;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px color-mix(in srgb,var(--brand) 12%,transparent)}
.case-section,.strength-section{background:linear-gradient(180deg,#fff 0%,var(--brand-soft) 150%)}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.case-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;cursor:zoom-in}.case-card div{padding:18px}.case-card h3{font-size:1.02rem;margin-bottom:5px}.case-card p{color:var(--muted);font-size:.86rem}.strength-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.strength-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.strength-card strong{display:block;color:var(--brand);font-size:1.45rem;margin-bottom:8px}.strength-card h3{font-size:1.06rem;margin-bottom:8px}.strength-card p{color:var(--muted);font-size:.88rem}
.process{background:linear-gradient(180deg,#fff 0%,var(--brand-soft) 130%)}.process-rail{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}.process-step{text-align:center}.step-badge{width:68px;height:68px;margin:0 auto 14px;border-radius:50%;border:2px solid color-mix(in srgb,var(--brand) 22%,transparent);background:#fff;display:grid;place-items:center;color:var(--brand);font-weight:950;box-shadow:var(--shadow)}.process-step strong{display:block;color:var(--brand);margin-bottom:5px}.process-step span{display:block;color:var(--text);font-size:.86rem;line-height:1.55}
.info-band{position:relative;overflow:hidden;color:#fff;background:linear-gradient(120deg,var(--brand-deep),var(--brand) 58%,color-mix(in srgb,var(--brand) 74%,white))}.info-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) 310px;gap:34px;align-items:center}.info-band h2{font-size:2.2rem;margin-bottom:12px}.info-band p{max-width:700px;color:rgba(255,255,255,.84);margin-bottom:20px}.info-list{display:grid;gap:11px}.info-row{display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px;padding-bottom:11px;border-bottom:1px solid rgba(255,255,255,.16)}.info-row strong{color:rgba(255,255,255,.72);font-size:.8rem;letter-spacing:.1em}.info-row span,.info-row a{color:#fff;font-weight:800;word-break:break-word}.contact-card{border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);background:rgba(255,255,255,.1);padding:27px}.contact-card h3{font-size:1.2rem;margin-bottom:9px}.contact-card .btn{width:100%;margin-top:8px;background:#fff;color:var(--brand-deep)}
footer{background:#181b20;color:rgba(255,255,255,.72);padding:24px 0 28px;font-size:.88rem}footer .wrap{display:grid;gap:5px}footer strong{color:#fff}footer a{color:#fff}.lightbox{width:min(94vw,1280px);margin:auto;border:none;padding:0;background:transparent}.lightbox::backdrop{background:rgba(0,0,0,.82)}.lightbox-stage{position:relative;background:#000;border-radius:18px;overflow:hidden}.lightbox-stage img{width:100%;max-height:88vh;object-fit:contain;background:#000}.lightbox-close{position:absolute;top:12px;right:12px;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.18);color:#fff;font-size:1.4rem;cursor:pointer}.backtop{position:fixed;right:20px;bottom:24px;width:48px;height:48px;border:0;border-radius:50%;background:var(--brand);color:#fff;font-weight:900;box-shadow:var(--shadow);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:.2s;z-index:35}.backtop.show{opacity:1;visibility:visible;transform:none}.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}.reveal.show{opacity:1;transform:none}
@media(max-width:1040px){.hero-inner,.overview-grid,.info-inner,.section-head,.product-card,.product-card.reverse{grid-template-columns:1fr}.hero{min-height:auto}.hero-inner{min-height:auto;padding:54px 0 126px}.hero-card{position:static;width:auto;max-width:540px;margin-top:24px}.case-grid{grid-template-columns:repeat(2,1fr)}.strength-grid{grid-template-columns:repeat(2,1fr)}.process-rail{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.nav{min-height:72px}.expo-title{font-size:1rem}.nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:flex-start;gap:0;padding:10px 20px 18px;background:#fff;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.nav-links a{width:100%;padding:13px 0;border-bottom:1px solid var(--line)}.menu-btn{display:flex}.hero-inner{padding:44px 0 110px}.article-card,.cap-card,.product-copy,.contact-card{padding:24px}.cap-grid,.case-grid,.strength-grid,.process-rail{grid-template-columns:1fr}.product-card,.product-card.reverse{min-height:0}.product-media{min-height:270px}.info-row{grid-template-columns:1fr;gap:4px}}
@media(max-width:520px){:root{--wrap:min(100% - 24px,100%)}.expo-mark{width:42px;height:42px}.expo-title{font-size:.9rem}.breadcrumb{font-size:.76rem}h1{font-size:2.32rem}.hero-subtitle{font-size:1.12rem}.btn{width:100%}.hero-actions{flex-direction:column}main section{padding:62px 0}.product-copy h3{font-size:1.55rem}.info-band h2{font-size:1.8rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}