@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');
:root{--ink:#111c2b;--navy:#101d2c;--navy2:#172b40;--orange:#f28b32;--orange2:#ffad59;--paper:#f3f5f7;--white:#fff;--muted:#657384;--line:#dce2e8;--radius:18px;--shadow:0 18px 45px rgba(14,30,48,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;font-family:Manrope,'Noto Sans SC',Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 44px));margin:auto}.header{position:sticky;top:0;z-index:30;background:rgba(13,27,42,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.10);color:#fff}.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.06em;white-space:nowrap}.logo-mark{width:42px;height:42px;border:2px solid var(--orange);display:grid;place-items:center;color:var(--orange);font-size:21px;font-weight:800;transform:skew(-7deg)}.logo-text{display:flex;flex-direction:column;line-height:1.25}.logo-text strong{font-size:18px}.logo-text small{font-size:10px;letter-spacing:.19em;color:#aab8c7;margin-top:4px}.nav nav{display:flex;align-items:center;gap:27px}.nav nav a{font-size:13px;color:#c8d2dc;transition:.2s}.nav nav a:hover,.nav nav a.active{color:var(--orange2)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 20px;font-size:13px;font-weight:700;border-radius:5px;transition:.2s;border:1px solid transparent}.nav-cta,.btn.primary{background:var(--orange);color:#111c2b}.nav-cta:hover,.btn.primary:hover{background:var(--orange2);transform:translateY(-1px)}.btn.ghost{border-color:rgba(255,255,255,.42);color:#fff}.btn.ghost:hover{border-color:var(--orange);color:var(--orange2)}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--orange);margin:0 0 12px}.hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(110deg,rgba(8,20,32,.97) 0%,rgba(13,30,47,.91) 49%,rgba(13,30,47,.48) 100%),radial-gradient(circle at 78% 35%,#52677b 0,#1b344c 27%,#101d2c 64%);min-height:570px;display:flex;align-items:center}.hero:after{content:'HY';position:absolute;right:3%;bottom:-130px;font-size:clamp(250px,38vw,520px);font-weight:800;line-height:1;color:rgba(255,255,255,.035);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:76px 0;position:relative;z-index:1}.hero h1{font-size:clamp(34px,4.5vw,60px);line-height:1.18;letter-spacing:-.04em;margin:0 0 24px;max-width:650px}.hero h1 em{font-style:normal;color:var(--orange2)}.hero-copy{color:#c2ccd6;max-width:580px;font-size:15px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero-visual{position:relative;padding:22px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.045);box-shadow:0 30px 70px rgba(0,0,0,.2)}.hero-visual img{width:100%;height:350px;object-fit:contain;background:linear-gradient(145deg,#e7ebee,#cdd4da);padding:18px}.visual-label{display:flex;justify-content:space-between;gap:15px;color:#dce4eb;font-size:11px;letter-spacing:.08em;padding:15px 2px 0}.visual-label b{color:var(--orange2)}.hero-lines{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(135deg,transparent 0 38px,rgba(255,255,255,.025) 39px 40px)}.stats{background:#fff;border-bottom:1px solid var(--line)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:25px 22px;border-right:1px solid var(--line)}.stat:first-child{border-left:1px solid var(--line)}.stat strong{display:block;font-size:18px;color:var(--navy);margin-bottom:2px}.stat span{font-size:12px;color:var(--muted)}.section{padding:86px 0}.section.soft{background:var(--paper)}.section.dark{background:var(--navy);color:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h2,.page-hero h1{font-size:clamp(27px,3vw,40px);line-height:1.2;letter-spacing:-.03em;margin:0}.section-head p:not(.eyebrow){color:var(--muted);margin:10px 0 0;max-width:650px;font-size:14px}.text-link{font-size:13px;font-weight:800;color:var(--navy);border-bottom:1px solid var(--orange);padding-bottom:6px;white-space:nowrap}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.product-card{background:#fff;border:1px solid #e2e7eb;transition:transform .25s,box-shadow .25s;min-width:0}.product-card:hover{transform:none;box-shadow:var(--shadow)}.product-image{background:#e8ecef;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.product-image img{width:100%;height:100%;object-fit:contain;padding:16px;mix-blend-mode:multiply;transition:transform .35s}.product-card:hover .product-image img{transform:none}.product-image .num{position:absolute;left:14px;top:14px;background:var(--navy);color:var(--orange2);font-size:11px;padding:5px 8px;letter-spacing:.08em}.product-info{padding:21px 22px 23px}.product-info .en{font-size:10px;letter-spacing:.15em;color:#8b97a4;font-weight:800;margin:0 0 7px;text-transform:uppercase}.product-info h3{font-size:18px;margin:0 0 9px;line-height:1.4}.product-info p{font-size:13px;color:var(--muted);margin:0 0 16px;min-height:44px}.product-info a{font-size:12px;font-weight:800;color:var(--navy)}.product-info a span{color:var(--orange);font-size:17px;margin-left:6px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service{border:1px solid rgba(255,255,255,.13);padding:26px;min-height:190px;background:rgba(255,255,255,.035)}.service .n{font-size:12px;color:var(--orange2);letter-spacing:.15em}.service h3{font-size:18px;margin:12px 0 8px}.service p{font-size:13px;color:#b8c4cf;margin:0}.cta-band{background:var(--orange);color:#172333;padding:34px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.cta-inner h2{font-size:clamp(21px,2.5vw,30px);margin:0 0 5px}.cta-inner p{margin:0;font-size:13px}.cta-inner .btn{background:var(--navy);color:#fff;white-space:nowrap}.page-hero{background:linear-gradient(115deg,#101d2c,#1d354c);color:#fff;padding:74px 0 70px;position:relative;overflow:hidden}.page-hero:after{content:'ENGINEERED FOR INDUSTRY';position:absolute;right:-20px;bottom:-16px;color:rgba(255,255,255,.05);font-size:clamp(32px,7vw,90px);font-weight:800;white-space:nowrap;letter-spacing:.06em}.page-hero .container{position:relative;z-index:1}.page-hero p:not(.eyebrow){color:#bdc8d3;max-width:690px;margin:15px 0 0;font-size:14px}.product-catalog{display:grid;grid-template-columns:240px minmax(0,1fr);gap:35px;align-items:start}.side-menu{border:1px solid var(--line);position:sticky;top:100px;background:#fff}.side-menu h3{margin:0;padding:17px 19px;background:var(--navy);color:#fff;font-size:14px}.side-menu a{display:block;padding:12px 18px;border-bottom:1px solid #edf0f3;font-size:13px;color:#4c5a68}.side-menu a:hover{color:#b75c0a;background:#fff8f0}.catalog-main{min-width:0}.catalog-intro{margin:0 0 22px;color:var(--muted);font-size:13px}.catalog-item{display:grid;grid-template-columns:minmax(220px,.85fr) minmax(0,1.15fr);gap:28px;padding:27px 0;border-bottom:1px solid var(--line);scroll-margin-top:100px}.catalog-item:first-of-type{padding-top:0}.catalog-item .catalog-photo{aspect-ratio:1/1;background:#e9edf0;display:grid;place-items:center;overflow:hidden}.catalog-photo img{width:100%;height:100%;object-fit:contain;padding:18px;mix-blend-mode:multiply}.catalog-item h2{font-size:24px;line-height:1.3;margin:0 0 12px}.catalog-item p{font-size:14px;color:var(--muted)}.catalog-item ul{padding-left:18px;color:#465462;font-size:13px;margin:14px 0 21px}.catalog-item li{margin:5px 0}.about-grid,.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}.about-copy p{color:var(--muted);font-size:14px}.about-image{background:#e8ecef;min-height:340px;display:grid;place-items:center;padding:25px}.about-image img{width:100%;max-height:380px;object-fit:contain;mix-blend-mode:multiply}.bullet-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:25px}.bullet{border-left:3px solid var(--orange);background:var(--paper);padding:14px 16px}.bullet b{display:block;font-size:14px}.bullet span{font-size:12px;color:var(--muted)}.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.contact-card{border:1px solid var(--line);padding:17px}.contact-card span{display:block;font-size:11px;color:var(--muted);margin-bottom:6px}.contact-card b,.contact-card a{font-size:14px;overflow-wrap:anywhere}.form-panel{padding:28px;background:var(--paper);border:1px solid var(--line)}.form-panel h2{margin:0 0 5px;font-size:23px}.form-panel>p{margin:0 0 22px;font-size:13px;color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700}.field.full{grid-column:1/-1}.field input,.field textarea,.field select{font:inherit;font-weight:400;padding:12px 13px;border:1px solid #cfd7de;background:#fff;border-radius:3px;width:100%;min-width:0}.field textarea{resize:vertical}.form-note{font-size:11px;color:var(--muted);margin-top:12px}footer{background:#0b1622;color:#dce4eb;padding:46px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px;padding-bottom:32px}.footer-grid h4{font-size:13px;color:var(--orange2);margin:0 0 12px}.footer-grid p,.footer-grid a{font-size:12px;color:#aab7c4;margin:6px 0}.footer-brand p{max-width:330px}.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:11px;color:#8392a1;text-align:center}.mobile-bottom{display:none}
@media(max-width:900px){.nav{gap:14px}.nav nav{gap:15px}.nav-cta{padding:11px 13px}.hero-grid{gap:25px}.hero-visual img{height:290px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-catalog{grid-template-columns:200px minmax(0,1fr);gap:22px}.catalog-item{grid-template-columns:1fr;gap:18px}.catalog-item .catalog-photo{aspect-ratio:16/9}.catalog-item .catalog-photo img{max-height:320px}.about-grid,.contact-grid{gap:28px}}
@media(max-width:640px){html{scroll-padding-top:72px}.container{width:calc(100% - 32px)}.nav{min-height:68px;flex-wrap:wrap;gap:8px 12px;padding:10px 0}.logo-mark{width:36px;height:36px}.logo-text strong{font-size:16px}.logo-text small{font-size:9px}.nav nav{order:3;width:100%;overflow-x:auto;gap:22px;padding:5px 0 7px;scrollbar-width:none}.nav nav::-webkit-scrollbar{display:none}.nav nav a{white-space:nowrap;font-size:12px}.nav-cta{font-size:11px;padding:9px 11px}.hero{min-height:0}.hero-grid{grid-template-columns:1fr;padding:54px 0 38px;gap:28px}.hero h1{font-size:clamp(32px,9vw,43px)}.hero-copy{font-size:13px}.hero-visual{padding:12px}.hero-visual img{height:235px;padding:10px}.visual-label{font-size:9px}.actions{margin-top:23px}.btn{padding:12px 15px;font-size:12px}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat{padding:17px 15px;border-bottom:1px solid var(--line)}.stat:nth-child(odd){border-left:1px solid var(--line)}.stat strong{font-size:16px}.stat span{font-size:11px}.section{padding:55px 0}.section-head{align-items:start;flex-direction:column;gap:13px;margin-bottom:23px}.section-head h2,.page-hero h1{font-size:29px}.section-head p:not(.eyebrow){font-size:13px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.product-image{aspect-ratio:1/1}.product-image img{padding:8px}.product-image .num{left:8px;top:8px;font-size:9px;padding:4px 6px}.product-info{padding:13px 12px 15px}.product-info .en{font-size:8px;letter-spacing:.09em}.product-info h3{font-size:14px;line-height:1.4}.product-info p{font-size:11px;line-height:1.6;min-height:0;margin-bottom:12px}.product-info a{font-size:11px}.service-grid{grid-template-columns:1fr;gap:11px}.service{min-height:0;padding:20px}.service h3{margin:7px 0}.cta-band{padding:26px 0}.cta-inner{align-items:flex-start;flex-direction:column;gap:16px}.page-hero{padding:49px 0 46px}.page-hero p:not(.eyebrow){font-size:13px}.product-catalog{grid-template-columns:1fr;gap:18px}.side-menu{position:static;display:flex;flex-wrap:wrap}.side-menu h3{width:100%}.side-menu a{flex:1 1 33%;padding:10px 8px;text-align:center;font-size:11px}.catalog-intro{font-size:12px}.catalog-item{padding:23px 0;gap:16px}.catalog-item h2{font-size:21px}.catalog-item p{font-size:13px}.catalog-item ul{font-size:12px}.about-grid,.contact-grid{grid-template-columns:1fr;gap:25px}.about-image{min-height:230px}.bullet-list{gap:9px}.bullet{padding:12px}.bullet b{font-size:12px}.bullet span{font-size:11px}.contact-cards{gap:9px}.contact-card{padding:13px}.contact-card b,.contact-card a{font-size:12px}.form-panel{padding:20px 16px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-brand{grid-column:1/-1}.copyright{font-size:10px}.mobile-bottom{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:40;background:#101d2c;padding:9px 12px calc(9px + env(safe-area-inset-bottom));gap:10px;box-shadow:0 -8px 25px rgba(0,0,0,.12)}.mobile-bottom a{flex:1;text-align:center;padding:11px 8px;border-radius:4px;font-size:12px;font-weight:800}.mobile-bottom a:first-child{border:1px solid rgba(255,255,255,.3);color:#fff}.mobile-bottom a:last-child{background:var(--orange);color:#172333}body{padding-bottom:62px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
/* Desktop product grid fix - mobile layout unchanged */

@media screen and (min-width: 769px) {

  .products-grid,

  .product-grid,

  .product-list,

  .category-grid,

  .products-list {

    display: grid !important;

    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;

    gap: 24px !important;

    width: 100% !important;

    max-width: 1200px !important;

    margin-left: auto !important;

    margin-right: auto !important;

    box-sizing: border-box !important;

  }

  .products-grid img,

  .product-grid img,

  .product-list img,

  .category-grid img,

  .products-list img {

    display: block !important;

    width: 100% !important;

    max-width: 100% !important;

    height: 240px !important;

    object-fit: contain !important;

    box-sizing: border-box !important;

  }

  .products-grid *,

  .product-grid *,

  .product-list *,

  .category-grid *,

  .products-list * {

    min-width: 0;

    box-sizing: border-box;

  }

}
/* 电脑端产品展示优化，手机端保持不变 */

@media screen and (min-width: 769px) {

  .product-grid {

    grid-template-columns: repeat(3, minmax(0, 1fr));

    gap: 28px 22px;

  }

  .product-image {

    aspect-ratio: 16 / 10;

  }

  .product-image img {

    width: 100%;

    height: 100%;

    padding: 6px;

    object-fit: contain;

    transform: none;

  }

  .product-info {

    padding: 18px 4px 22px;

  }

  .product-info .en {

    font-size: 12px;

    line-height: 1.6;

    letter-spacing: 0.12em;

  }

  .product-info h3 {

    font-size: 22px;

    line-height: 1.5;

    margin: 8px 0 10px;

  }

  .product-info p {

    font-size: 15px;

    line-height: 1.9;

    margin: 8px 0 16px;

  }

  .product-info a {

    font-size: 16px;

  }

}/* 产品图片点击放大窗口 */

#product-image-viewer {

  position: fixed;

  inset: 0;

  z-index: 99999;

  display: none;

  align-items: center;

  justify-content: center;

  padding: 24px;

  background: rgba(0, 0, 0, .88);

  box-sizing: border-box;

}

#product-image-viewer.is-open {

  display: flex;

}

#product-image-viewer img {

  display: block;

  max-width: 94vw;

  max-height: 88vh;

  width: auto;

  height: auto;

  object-fit: contain;

  background: #fff;

  border-radius: 4px;

}

#product-image-viewer .viewer-close {

  position: absolute;

  top: 14px;

  right: 20px;

  width: 44px;

  height: 44px;

  border: 0;

  border-radius: 50%;

  background: #fff;

  color: #111;

  font-size: 30px;

  line-height: 1;

  cursor: pointer;

}

.product-image img,

.catalog-photo img {

  cursor: zoom-in;

}

@media (max-width: 768px) {

  #product-image-viewer {

    padding: 12px;

  }

  #product-image-viewer img {

    max-width: 96vw;

    max-height: 84vh;

  }

  #product-image-viewer .viewer-close {

    top: 10px;

    right: 10px;

  }

}