:root{--red:#d9231f;--red2:#b91816;--ink:#101318;--muted:#626971;--line:#e6e8eb;--bg:#f6f7f8;--teal:#00a6a6;--max:1180px;--shadow:0 16px 48px rgba(15,25,35,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;line-height:1.68;background:#fff}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(0,0,0,.06)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;min-width:275px}.brand img{width:46px;height:46px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand strong{font-size:17px;letter-spacing:.03em}.brand small{font-size:9px;color:#8a8f95;letter-spacing:.08em;margin-top:5px}.main-nav{display:flex;align-items:center;gap:26px;font-size:14px}.main-nav a{position:relative}.main-nav a:not(.nav-cta):after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;background:var(--red);transition:.25s}.main-nav a:hover:after{right:0}.nav-cta{background:var(--red);color:#fff;padding:10px 16px;border-radius:8px}.menu-btn{display:none;border:0;background:transparent;padding:8px}.menu-btn span{display:block;width:24px;height:2px;background:#222;margin:5px}
.hero{position:relative;min-height:690px;color:#fff;display:flex;align-items:center;overflow:hidden}.hero-bg{position:absolute;inset:0;background:url('assets/images/image10.webp') center/cover no-repeat;transform:scale(1.04)}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,10,15,.94) 0%,rgba(7,10,15,.86) 48%,rgba(7,10,15,.42) 100%)}.hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-120px;top:90px}.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr .8fr;gap:72px;align-items:center;padding:78px 0}.eyebrow,.kicker{font-size:12px;letter-spacing:.16em;font-weight:700}.eyebrow{display:flex;align-items:center;gap:10px;color:#e7e9ec}.eyebrow span{width:34px;height:2px;background:var(--red)}.hero h1{font-size:56px;line-height:1.14;margin:20px 0 22px;letter-spacing:-.02em}.hero h1 em{font-style:normal;color:#fff}.hero-copy>p{max-width:740px;color:#d8dde2;font-size:18px}.hero-actions{display:flex;gap:12px;margin:34px 0 26px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:8px;font-weight:700;font-size:14px;transition:.2s;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red2);transform:translateY(-1px)}.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.05)}.btn-ghost:hover{background:rgba(255,255,255,.12)}.hero-tags{display:flex;gap:9px;flex-wrap:wrap}.hero-tags span{border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 11px;font-size:12px;color:#dce1e5}.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:28px;backdrop-filter:blur(14px);box-shadow:0 20px 80px rgba(0,0,0,.22)}.status{font-size:12px;color:#d9dfe3;display:flex;align-items:center;gap:8px}.status i{width:8px;height:8px;border-radius:50%;background:#2ecf84;box-shadow:0 0 0 5px rgba(46,207,132,.12)}.hero-card h2{font-size:28px;margin:18px 0 8px}.hero-card p{color:#cbd2d7;margin:0}.quick-data{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.quick-data div{background:rgba(255,255,255,.07);border-radius:12px;padding:16px}.quick-data b{font-size:22px;display:block}.quick-data span{font-size:12px;color:#bec6cc}.phone-link{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.14);padding-top:18px;color:#fff;font-weight:700}.phone-link span{font-size:22px}.stats-strip{background:#fff;border-bottom:1px solid var(--line)}.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);padding:28px 0}.stats-grid div{padding:2px 22px;border-right:1px solid var(--line)}.stats-grid div:last-child{border-right:0}.stats-grid strong{display:block;font-size:25px}.stats-grid span{color:#71777e;font-size:12px}.section{padding:96px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:42px}.section-head>div{max-width:650px}.section-head h2,.auth-copy h2,.team-copy h2,.about-copy h2,.contact-copy h2{font-size:36px;line-height:1.25;margin:8px 0 0}.section-head p{max-width:440px;color:var(--muted);margin:0}.kicker{color:var(--red)}.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card{position:relative;border:1px solid var(--line);padding:30px 24px 28px;min-height:275px;background:#fff;border-radius:14px;overflow:hidden;transition:.25s}.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.feature-card .num{font-size:12px;font-weight:800;color:var(--red)}.feature-card h3{font-size:20px;margin:45px 0 10px}.feature-card p{color:var(--muted);font-size:14px}.mini-line{position:absolute;left:0;bottom:0;width:42px;height:4px;background:var(--red);transition:.25s}.feature-card:hover .mini-line{width:100%}.products,.inventory{background:#11151a;color:#fff}.section-head.light p{color:#aeb6bd}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.product-card{border:1px solid #30363d;background:#181d23;border-radius:14px;padding:28px;min-height:310px}.product-card>span{color:#8e99a3;font-size:11px;font-weight:800;letter-spacing:.15em}.product-card h3{font-size:22px;margin:22px 0 14px}.product-card ul{list-style:none;padding:0;margin:0 0 24px;color:#cbd1d6;font-size:14px}.product-card li{padding:6px 0;border-bottom:1px solid #2a3036}.product-card a{font-size:13px;color:#fff;font-weight:700}.product-card.accent{background:linear-gradient(145deg,var(--red),#9d1513);border:0}.product-card.accent p{color:#ffe9e8}.product-card.accent>span{color:#ffc4c2}.industry-grid{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}.industry-grid article{padding:28px 24px;border-right:1px solid var(--line);background:#fff;min-height:300px}.industry-grid article:last-child{border-right:0}.industry-grid b{color:var(--red);font-size:12px}.industry-grid h3{font-size:19px;margin:68px 0 12px}.industry-grid p{font-size:13px;color:var(--muted)}.tech-team{background:var(--bg)}.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.team-copy>p,.about-copy>p{color:var(--muted);font-size:16px}.team-numbers{display:flex;gap:14px;margin:28px 0}.team-numbers div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 18px;min-width:150px}.team-numbers b{font-size:28px;color:var(--red);display:block}.team-numbers span{font-size:12px;color:#6d7379}.check-list{display:grid;grid-template-columns:1fr 1fr;gap:7px 22px;padding:0;list-style:none;font-size:13px}.check-list li:before{content:"✓";color:var(--red);font-weight:800;margin-right:8px}.photo-stack{position:relative;min-height:510px}.photo-main{position:absolute;inset:0 80px 60px 0;margin:0;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.photo-main img{width:100%;height:100%;object-fit:cover}.photo-small{position:absolute;width:240px;right:0;bottom:0;margin:0;border:8px solid #f6f7f8;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);background:#fff}.photo-small img{aspect-ratio:4/3;object-fit:cover}.photo-small figcaption{padding:8px 10px;font-size:11px;color:#646a70}.gallery{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-auto-rows:225px;gap:12px}.gallery figure{margin:0;overflow:hidden;border-radius:12px;background:#222}.gallery img{width:100%;height:100%;object-fit:cover;transition:.35s}.gallery figure:hover img{transform:scale(1.035)}.gallery .g-wide{grid-row:span 2}.authorization{background:#fff}.auth-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:center}.auth-copy p{color:var(--muted)}.auth-note{margin-top:24px;padding:18px;border-left:3px solid var(--red);background:#fff5f4}.auth-note b,.auth-note span{display:block}.auth-note span{font-size:12px;color:#787d82;margin-top:6px}.cert-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.cert-grid a{border:1px solid var(--line);border-radius:12px;padding:10px;background:#f8f9fa;box-shadow:0 10px 30px rgba(0,0,0,.06)}.cert-grid img{aspect-ratio:2105/2977;object-fit:cover}.about{background:var(--bg)}.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}.about-photo{position:relative}.about-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px}.photo-label{position:absolute;left:18px;bottom:18px;background:#fff;padding:8px 12px;border-radius:8px;font-size:12px;font-weight:700}.timeline{margin:28px 0}.timeline div{display:grid;grid-template-columns:70px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid #dde0e3}.timeline b{color:var(--red)}.timeline span{font-size:13px;color:#5f666c}.license-box{border:1px solid #dfe2e5;border-radius:10px;background:#fff;padding:12px 14px}.license-box summary{cursor:pointer;font-weight:700;font-size:13px}.license-box img{margin-top:12px;border-radius:8px}.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.knowledge-grid article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}.knowledge-grid span{font-size:11px;color:var(--red);font-weight:800}.knowledge-grid h3{font-size:18px;margin:18px 0 10px}.knowledge-grid p{font-size:13px;color:var(--muted)}.coming{font-size:12px;color:#8a8f94;margin-top:18px}.contact{padding:86px 0;background:linear-gradient(135deg,#15191e,#242b31);color:#fff}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:72px}.contact-copy p{color:#c5ccd1}.contact-info{margin-top:30px}.contact-info>a,.contact-info>div{display:grid;grid-template-columns:70px 1fr;gap:14px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12)}.contact-info b{font-size:12px;color:#a9b1b8}.contact-info span{font-size:14px}.inquiry-form{background:#fff;color:#111;border-radius:16px;padding:28px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.inquiry-form label{display:block;font-size:12px;font-weight:700;margin-bottom:14px}.inquiry-form input,.inquiry-form select,.inquiry-form textarea{display:block;width:100%;margin-top:7px;border:1px solid #dcdfe3;border-radius:8px;padding:12px 13px;font:inherit;font-size:13px;outline:none}.inquiry-form input:focus,.inquiry-form select:focus,.inquiry-form textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(217,35,31,.07)}.form-submit{width:100%}.form-tip{font-size:11px;color:#8a9095;margin-bottom:0}.generated{margin-top:16px;background:#f5f6f7;padding:14px;border-radius:10px}.generated pre{white-space:pre-wrap;font:12px/1.6 inherit;color:#43484d}.generated button{border:0;background:#222;color:#fff;padding:8px 12px;border-radius:7px;cursor:pointer}.footer{background:#0b0e11;color:#fff;padding:34px 0 16px}.footer-grid{display:flex;justify-content:space-between;align-items:center}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand img{width:44px;height:44px;object-fit:contain;background:#fff;border-radius:50%;padding:2px}.footer-brand div{display:flex;flex-direction:column}.footer-brand span{font-size:11px;color:#7f8992}.footer-links{display:flex;gap:18px;font-size:12px;color:#b8c0c7}.copyright{margin-top:28px;padding-top:14px;border-top:1px solid #23292e;display:flex;justify-content:space-between;font-size:10px;color:#69727a}.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.08s}.delay-2{transition-delay:.16s}.delay-3{transition-delay:.24s}
@media(max-width:980px){.main-nav{position:absolute;top:76px;left:0;right:0;background:#fff;display:none;flex-direction:column;align-items:stretch;padding:18px 24px;border-bottom:1px solid var(--line);gap:6px}.main-nav.open{display:flex}.main-nav a{padding:10px}.menu-btn{display:block}.hero-grid,.team-grid,.auth-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.hero{min-height:auto}.hero-grid{padding:72px 0}.hero-card{max-width:520px}.strength-grid{grid-template-columns:1fr 1fr}.industry-grid{grid-template-columns:1fr 1fr;border:0;gap:12px}.industry-grid article{border:1px solid var(--line);border-radius:12px}.product-grid{grid-template-columns:1fr 1fr}.stats-grid{grid-template-columns:repeat(3,1fr);row-gap:18px}.stats-grid div:nth-child(3){border-right:0}.gallery{grid-template-columns:1fr 1fr}.gallery .g-wide{grid-row:auto;grid-column:span 2}.section-head{align-items:start;flex-direction:column}.photo-stack{min-height:450px}.cert-grid{max-width:700px}}
@media(max-width:640px){.container{width:min(100% - 28px,var(--max))}.nav-wrap{height:68px}.brand{min-width:0}.brand strong{font-size:14px}.brand small{display:none}.brand img{width:40px;height:40px}.main-nav{top:68px}.hero h1{font-size:37px}.hero-copy>p{font-size:15px}.hero-actions{flex-direction:column;align-items:stretch}.hero-card{padding:22px}.stats-grid{grid-template-columns:1fr 1fr}.stats-grid div{border-right:0;border-bottom:1px solid var(--line);padding:12px}.stats-grid div:last-child{grid-column:span 2}.section{padding:70px 0}.section-head h2,.auth-copy h2,.team-copy h2,.about-copy h2,.contact-copy h2{font-size:28px}.strength-grid,.product-grid,.knowledge-grid{grid-template-columns:1fr}.industry-grid{grid-template-columns:1fr}.industry-grid article{min-height:auto}.industry-grid h3{margin:30px 0 10px}.team-grid{gap:42px}.check-list{grid-template-columns:1fr}.photo-stack{min-height:390px}.photo-main{inset:0 44px 52px 0}.photo-small{width:180px}.gallery{grid-template-columns:1fr;grid-auto-rows:220px}.gallery .g-wide{grid-column:auto}.cert-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.footer-grid,.copyright{flex-direction:column;align-items:flex-start;gap:18px}.footer-links{flex-wrap:wrap}.contact-grid{gap:40px}.quick-data{grid-template-columns:1fr}}

/* 吹瓶设备电气系统方案 */
[id]{scroll-margin-top:96px}
.blow-systems{background:#f8f9fa;border-top:1px solid var(--line)}
.blow-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.blow-scope{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px}
.blow-scope h3{font-size:25px;line-height:1.4;margin:14px 0 24px}
.machine-types{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.machine-types li{padding:16px 0;border-bottom:1px solid var(--line);font-weight:700;font-size:18px}
.machine-types li::before{content:"•";color:var(--red);margin-right:12px}
.blow-scope p{color:var(--muted);font-size:15px;margin:24px 0}
.delivery-steps{list-style:none;padding:0;margin:0}
.delivery-steps li{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid #dde1e5}
.delivery-steps li:first-child{padding-top:4px}
.delivery-steps li>span{font-size:14px;color:var(--red);font-weight:800;padding-top:4px;flex:0 0 28px}
.delivery-steps h3{margin:0 0 6px;font-size:20px}
.delivery-steps p{margin:0;color:var(--muted);font-size:14px}
@media(max-width:980px){.blow-layout{grid-template-columns:1fr}}
@media(max-width:640px){.blow-scope{padding:24px}.blow-scope h3{font-size:22px}.blow-layout{gap:24px}}

.hero-bg{background-image:url("assets/images/siemens-industrial-machinery.jpg");transform:none}.hero-overlay{background:linear-gradient(90deg,rgba(0,0,40,.45) 0%,rgba(0,0,40,.25) 48%,rgba(0,0,40,.05) 100%)}

/* Representative Siemens product backgrounds */
.product-card:not(.accent){position:relative;isolation:isolate;overflow:hidden;background:#111726}
.product-card:not(.accent)::before{content:"";position:absolute;inset:0;z-index:-2;background:var(--product-image) center/cover no-repeat;transition:transform .35s ease}
.product-card:not(.accent)::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(8,14,25,.94) 0%,rgba(8,14,25,.78) 45%,rgba(8,14,25,.28) 100%)}
.product-card:not(.accent):hover::before{transform:scale(1.04)}
.product-card:not(.accent)>span{color:#a6cbd8}.product-card:not(.accent) li{color:#f0f4fa;border-color:rgba(255,255,255,.16)}
.product-card:nth-child(1){--product-image:url("assets/images/product-plc.jpg")}
.product-card:nth-child(2){--product-image:url("assets/images/product-drive.jpg")}
.product-card:nth-child(3){--product-image:url("assets/images/product-motion.jpg")}
.product-card:nth-child(4){--product-image:url("assets/images/product-hmi.jpg")}
.product-card:nth-child(5){--product-image:url("assets/images/product-low-voltage.png")}