/* SERISDAN — responsive static website */
:root{--cream:#3478C9;--paper:#fbfaf7;--ink:#282923;--muted:#666666;--olive:#8892a0;--line:#E5E7EB;--dark:#3478C9;--star:#FFD643;--serif:"Playfair Display",Georgia,serif;--sans:"DM Sans",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}img{display:block;width:100%;height:100%;object-fit:cover}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 48px));margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(40,41,35,.08)}.nav-wrap{height:86px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0}.brand-name{font-family:var(--serif);font-size:25px;letter-spacing:.13em;font-weight:600}.brand-sub{font-size:8px;letter-spacing:.2em;margin-top:7px;color:var(--muted)}.main-nav{display:flex;align-items:center;gap:29px;font-size:12px;letter-spacing:.035em}.main-nav>a{transition:color .2s}.main-nav>a:hover,.main-nav>a.active{color:var(--olive)}.nav-cta{border:1px solid #c9c8bd;padding:11px 15px!important}.nav-cta span,.button span{margin-left:10px}.menu-toggle{display:none;background:none;border:0;padding:8px}.menu-toggle span{display:block;width:23px;height:1px;background:var(--ink);margin:5px}
.hero{height:min(720px,calc(100vh - 86px));min-height:590px;position:relative;display:flex;align-items:center;overflow:hidden;background:#3478C9}.hero-image,.hero-shade{position:absolute;inset:0}.hero-image{background-image:url("../images/hero-banner.png");background-position:center 45%;background-size:cover;transform:scale(1.015)}.hero-shade{background:linear-gradient(90deg,rgba(24,27,22,.73) 0%,rgba(24,27,22,.45) 43%,rgba(24,27,22,.08) 100%)}.hero-content{position:relative;color:#fff;padding:70px 0 100px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--olive);margin:0 0 20px}.eyebrow.light{color:#e1dfd3}.hero h1,.page-hero h1,.contact-hero h1{font-family:var(--serif);font-weight:400;letter-spacing:-.045em;font-size:clamp(54px,7.5vw,100px);line-height:1.02;margin:0 0 26px}.hero h1 em,.page-hero h1 em,.contact-hero h1 em,h2 em{font-weight:400}.hero h1 em{color:#e5ddc8}.hero-copy{max-width:490px;color:rgba(255,255,255,.84);font-size:16px;line-height:1.8}.hero-actions{display:flex;align-items:center;gap:30px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 20px;font-size:11px;letter-spacing:.05em;font-weight:700;border:1px solid transparent;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button-light{background:#f7f4ed;color:#282923}.button-dark{background:var(--dark);color:#fff}.text-link{display:inline-flex;align-items:center;gap:13px;font-size:12px;font-weight:700;border-bottom:1px solid #b8b9ad;padding:0 0 7px}.text-link span{font-size:16px}.light-link{color:#fff;border-color:rgba(255,255,255,.55)}.hero-note{position:absolute;right:34px;bottom:35px;color:rgba(255,255,255,.8);font-size:9px;letter-spacing:.16em;display:flex;align-items:center;gap:12px}.note-line{height:1px;width:38px;background:rgba(255,255,255,.65)}
.section-pad{padding:110px 0}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:start}.intro h2,.section-heading h2,.feature-copy h2,.notice-grid h2,.cta-inner h2{font-family:var(--serif);font-size:clamp(36px,4.4vw,57px);line-height:1.12;font-weight:400;letter-spacing:-.035em;margin:0}.intro h2 em,.section-heading h2 em,.feature-copy h2 em,.notice-grid h2 em{color:var(--olive)}.intro-copy{max-width:510px;padding-top:26px;color:#66685f}.intro-copy p{margin:0 0 20px}.intro-copy .text-link{margin-top:10px;color:var(--ink)}
.category-section{background:#f0ede5}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:42px}.section-heading .eyebrow{margin-bottom:17px}.section-heading>.text-link{margin-bottom:8px;flex-shrink:0}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.category-card{position:relative;display:block;background:#e3ded2;min-height:450px;overflow:hidden}.category-card img{position:absolute;inset:0;transition:transform .7s}.category-card:hover img{transform:scale(1.045)}.category-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,15,.02) 30%,rgba(20,20,15,.75) 100%)}.category-card>div,.category-number,.card-arrow{position:absolute;z-index:1;color:#fff}.category-card>div{left:27px;right:25px;bottom:28px}.category-card h3{font-family:var(--serif);font-weight:400;font-size:28px;margin:0 0 5px}.category-card p{font-size:12px;color:rgba(255,255,255,.82);margin:0}.category-number{top:20px;left:24px;font-size:10px;letter-spacing:.15em}.card-arrow{right:24px;top:17px;font-size:19px}
.feature-band{display:grid;grid-template-columns:1fr 1fr;min-height:550px;background:#e5e2d8}.feature-photo{background:url("../images/index.png") center/cover no-repeat;min-height:500px}.feature-copy{align-self:center;max-width:560px;padding:75px clamp(35px,7vw,105px)}.feature-copy h2{margin-bottom:23px}.feature-copy>p:not(.eyebrow){color:#66685f;max-width:430px;margin-bottom:29px}.process-section{background:var(--paper)}.heading-side{max-width:340px;color:var(--muted);font-size:13px;margin:0 0 7px}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:54px}.process-item{padding:25px 25px 0 0;border-right:1px solid var(--line);margin-right:25px}.process-item:last-child{border-right:0;margin-right:0}.process-item>span,.capability-grid article>span,.values-grid span{font-size:10px;letter-spacing:.15em;color:var(--olive)}.process-item h3,.capability-grid h3,.values-grid h3{font-family:var(--serif);font-size:22px;font-weight:400;margin:16px 0 9px}.process-item p,.capability-grid p,.values-grid p{color:var(--muted);font-size:12px;margin:0;line-height:1.8}
.cta-section{background:#424a3d;color:#fff;padding:100px 0 110px;position:relative;overflow:hidden}.cta-section:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-110px;top:-160px;box-shadow:0 0 0 50px rgba(255,255,255,.025),0 0 0 100px rgba(255,255,255,.02)}.cta-inner{position:relative;z-index:1}.cta-inner h2{font-size:clamp(42px,5.5vw,70px);margin-bottom:20px}.cta-inner h2 em{color:#d7d6c4}.cta-inner>p:not(.eyebrow){color:rgba(255,255,255,.73);max-width:460px;margin-bottom:28px}
.site-footer{background:#292d27;color:#f6f3ec;padding:55px 0 22px}.footer-top{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:50px;align-items:start;padding-bottom:50px}.brand-footer .brand-sub{color:#a9ac9e}.footer-top>p{font-size:12px;color:#b9bbb2;max-width:300px;margin:3px 0}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;font-size:11px;color:#d4d4ca}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;display:flex;justify-content:space-between;color:#aeb0a7;font-size:10px}
.page-hero{position:relative;min-height:475px;display:flex;align-items:center;overflow:hidden;background:#e9e5db}.page-hero>.container{position:relative;z-index:2;padding-top:60px;padding-bottom:70px}.page-hero h1{font-size:clamp(55px,7vw,83px);margin-bottom:20px}.page-hero h1 em{color:var(--olive)}.page-lead{max-width:510px;color:#67695f;font-size:15px;line-height:1.85}.page-hero-art{position:absolute;right:0;top:0;width:42%;height:100%;background-position:center;background-size:cover;opacity:.82}.page-hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#e9e5db 0%,rgba(233,229,219,.2) 60%,rgba(233,229,219,.05))}.product-art{background-image:url("../images/hero-product.png")}.oem-art{background-image:url("../images/oem.png")}.manufacturing-art{background-image:url("../images/manufactory.jpeg")}.about-art{background-image:url("../images/about.png")}
.product-list{display:grid;gap:95px}.product-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;scroll-margin-top:120px}.product-row.reverse .product-image{order:2}.product-image{height:470px;background:#e8e2d8;overflow:hidden}.product-image img{transition:transform .5s}.product-image:hover img{transform:scale(1.025)}.product-text{max-width:490px}.product-text h2{font-family:var(--serif);font-size:43px;font-weight:400;margin:0 0 18px;line-height:1.15}.product-text>p{color:#696b62}.product-text ul,.service-card ul{padding-left:17px;color:#696b62;font-size:12px;line-height:2.2;margin:20px 0 28px}.product-text .eyebrow{margin-bottom:15px}
.notice-band{padding:75px 0;background:#e8e5dc}.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.notice-grid h2{font-size:clamp(34px,4vw,50px)}.notice-grid p{color:#686a60;font-size:13px;max-width:480px;margin:0 0 24px}
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:65px}.service-card{padding:40px;background:#eeeae1;border:1px solid #e0dbd0}.service-card-dark{background:#41483b;color:#fff}.service-index{font-size:10px;letter-spacing:.15em;color:var(--olive)}.service-card-dark .service-index{color:#d5d8c8}.service-card h3{font-family:var(--serif);font-size:46px;font-weight:400;margin:15px 0 0}.service-kicker{font-size:11px;text-transform:uppercase;letter-spacing:.1em;margin:0 0 25px!important}.service-card p{font-size:13px;color:#686a60}.service-card-dark p,.service-card-dark ul{color:#d0d2c8}.service-card ul{margin-bottom:0}
.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}.capability-grid article{padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:210px}.capability-grid h3{margin-top:22px}.values-section{background:#e9e6dd;padding:70px 0}.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}.values-grid>div{border-top:1px solid #c9c7bc;padding-top:22px}
.contact-hero{padding:90px 0 110px;background:#efebe2}.contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:90px;align-items:start}.contact-hero h1{font-size:clamp(48px,6vw,76px)}.contact-hero .page-lead{max-width:460px}.contact-detail{margin-top:45px;max-width:450px;border-top:1px solid #d5d1c6;padding-top:19px}.contact-detail .eyebrow{display:block;margin-bottom:9px}.contact-detail>a{font-family:var(--serif);font-size:22px;overflow-wrap:anywhere}.contact-detail p{color:#686a60;font-size:12px;margin:8px 0 0}.contact-detail .small-note{font-size:10px;color:#898a80}.contact-panel{background:var(--paper);padding:38px;border:1px solid #e0dcd2;box-shadow:0 20px 50px rgba(46,45,35,.04)}.contact-panel h2{font-family:var(--serif);font-weight:400;font-size:32px;margin:0 0 10px}.contact-panel>p{color:#74766d;font-size:12px;margin-bottom:27px}.contact-panel form{display:flex;flex-direction:column}.contact-panel label{font-size:11px;font-weight:700;margin:15px 0 7px}.contact-panel input,.contact-panel select,.contact-panel textarea{width:100%;border:1px solid #d8d5cb;background:#fffefa;padding:12px 13px;font:inherit;font-size:12px;color:var(--ink);border-radius:0}.contact-panel input:focus,.contact-panel select:focus,.contact-panel textarea:focus{outline:1px solid var(--olive);border-color:var(--olive)}.contact-panel textarea{resize:vertical}.form-submit{margin-top:22px;cursor:pointer}.form-status{font-size:11px;color:#68735c;overflow-wrap:anywhere}
@media(max-width:950px){.main-nav{gap:17px}.nav-wrap{gap:18px}.brand-name{font-size:22px}.main-nav{font-size:11px}.intro-grid,.product-row{gap:45px}.product-image{height:390px}.category-card{min-height:380px}.feature-copy{padding:55px 40px}.contact-grid{gap:45px}}
@media(max-width:760px){.container{width:min(100% - 36px,560px)}.nav-wrap{height:72px}.menu-toggle{display:block;z-index:60}.main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);padding:18px 24px 26px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.main-nav.is-open{display:flex}.main-nav>a{padding:13px 0;border-bottom:1px solid #e8e4da}.main-nav .nav-cta{margin-top:12px;padding:13px!important;text-align:center;border:1px solid var(--line)}.hero{min-height:620px;height:calc(100svh - 72px);max-height:760px}.hero-image{background-position:58% center}.hero-shade{background:linear-gradient(90deg,rgba(24,27,22,.76),rgba(24,27,22,.32))}.hero-content{padding:50px 0 90px}.hero h1{font-size:clamp(55px,14vw,78px)}.hero-copy{font-size:14px;max-width:390px}.hero-actions{align-items:flex-start;flex-direction:column;gap:22px}.hero-note{left:18px;right:auto;bottom:20px;font-size:8px}.section-pad{padding:72px 0}.intro-grid,.notice-grid,.contact-grid{grid-template-columns:1fr;gap:28px}.intro-copy{padding-top:0}.section-heading{align-items:flex-start;flex-direction:column;gap:20px}.category-grid{grid-template-columns:1fr;gap:16px}.category-card{min-height:430px}.feature-band{grid-template-columns:1fr}.feature-photo{min-height:350px}.feature-copy{padding:55px 24px 65px}.process-grid{grid-template-columns:1fr 1fr;row-gap:30px;margin-top:35px}.process-item{margin-right:15px;padding-top:20px}.process-item:nth-child(2){border-right:0;margin-right:0}.process-item h3{font-size:20px}.cta-section{padding:75px 0 85px}.footer-top{grid-template-columns:1fr;gap:25px;padding-bottom:35px}.footer-links{max-width:350px}.footer-bottom{gap:10px;flex-direction:column}.page-hero{min-height:510px;align-items:flex-start}.page-hero>.container{padding-top:70px}.page-hero-art{width:100%;opacity:.25}.page-hero-art:after{background:linear-gradient(90deg,rgba(233,229,219,.96),rgba(233,229,219,.48))}.page-hero h1{font-size:clamp(52px,13vw,72px)}.page-lead{font-size:14px}.product-list{gap:60px}.product-row{grid-template-columns:1fr;gap:25px}.product-row.reverse .product-image{order:0}.product-image{height:350px}.product-text h2{font-size:36px}.notice-band{padding:58px 0}.service-grid{grid-template-columns:1fr;margin-top:38px}.service-card{padding:30px}.capability-grid{grid-template-columns:1fr 1fr}.capability-grid article{padding:22px;min-height:200px}.values-grid{grid-template-columns:1fr;gap:25px}.contact-hero{padding:65px 0 75px}.contact-panel{padding:25px}.contact-hero h1{font-size:clamp(47px,12vw,65px)}}
@media(max-width:420px){.brand-name{font-size:20px}.brand-sub{font-size:7px}.category-card{min-height:370px}.process-grid{grid-template-columns:1fr}.process-item{border-right:0;border-bottom:1px solid var(--line);padding:0 0 23px;margin:0}.process-item:last-child{border-bottom:0}.capability-grid{grid-template-columns:1fr}.capability-grid article{min-height:0}.product-image{height:290px}}
/* SERISDAN Brand Blue Palette Override
   Append this block to the END of assets/css/style.css.
   Primary brand blue: #3478C9
*/
:root{
  --cream:#EEF4FB;
  --paper:#F8FAFD;
  --ink:#263244;
  --muted:#68778A;
  --olive:#3478C9;
  --line:#DCE5F0;
  --dark:#243B5A;
}
body{background:var(--paper);color:var(--ink)}
.site-header{background:rgba(248,250,253,.96)}
.main-nav>a:hover,.main-nav>a.active{color:#3478C9}
.nav-cta{border-color:#C8D7EA}
.hero{background:#526B8A}
.hero-shade{background:linear-gradient(90deg,rgba(22,38,61,.80) 0%,rgba(22,38,61,.48) 43%,rgba(22,38,61,.10) 100%)}
.hero h1 em,.cta-inner h2 em{color:#C7DDF8}
.button-light{background:#F8FAFD;color:#263244}
.button-dark{background:#3478C9;color:#fff}
.text-link{border-color:#B7C9E0}
.light-link{border-color:rgba(255,255,255,.55)}
.category-section{background:#EEF4FB}
.category-card{background:#DCE8F7}
.feature-band{background:#E7EFF9}
.process-section{background:#F8FAFD}
.process-grid{border-color:#DCE5F0}
.process-item{border-color:#DCE5F0}
.cta-section{background:#243B5A}
.site-footer{background:#1E2D42}
.brand-sub{color:#68778A}
.brand-footer .brand-sub{color:#AFC4E0}
.footer-top>p{color:#C0CCDA}
.footer-links{color:#D5E2F2}
.footer-bottom{border-color:rgba(255,255,255,.15);color:#AEBED2}
.page-hero{background:#EAF2FB}
.page-hero h1 em,.intro h2 em,.section-heading h2 em,.feature-copy h2 em,.notice-grid h2 em{color:#3478C9}
.page-hero-art:after{background:linear-gradient(90deg,#EAF2FB 0%,rgba(234,242,251,.25) 60%,rgba(234,242,251,.05))}
.notice-band{background:#EAF2FB}
.service-card{background:#EEF4FB;border-color:#DCE5F0}
.service-card-dark{background:#2B4E7D;color:#fff}
.service-card-dark .service-index{color:#BBD5F5}
.service-card-dark p,.service-card-dark ul{color:#D5E2F2}
.capability-grid{border-color:#DCE5F0}
.capability-grid article{border-color:#DCE5F0}
.values-section{background:#EAF2FB}
.values-grid>div{border-color:#C8D7EA}
.contact-hero{background:#EEF4FB}
.contact-detail{border-color:#D5E1EF}
.contact-panel{background:#F8FAFD;border-color:#DCE5F0;box-shadow:0 20px 50px rgba(38,61,92,.06)}
.contact-panel input,.contact-panel select,.contact-panel textarea{background:#fff;border-color:#D3DFED;color:#263244}
.contact-panel input:focus,.contact-panel select:focus,.contact-panel textarea:focus{outline-color:#3478C9;border-color:#3478C9}
.form-status{color:#3478C9}
@media(max-width:760px){
  .main-nav{background:#F8FAFD;border-color:#DCE5F0}
  .main-nav>a{border-color:#E5ECF5}
  .page-hero-art:after{background:linear-gradient(90deg,rgba(234,242,251,.96),rgba(234,242,251,.48))}
}

/* HUIZHIXING header logo */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-name {
    line-height: 1.2;
}

.brand-sub {
    line-height: 1.4;
}

/* Fix HUIZHIXING logo alignment */
a.brand {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
}

.brand-logo {
    display: block;
    width: 48px;
    height: 48px;
    object-fit: contain;
    flex: 0 0 48px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    min-width: 0;
}

.brand-name,
.brand-sub {
    display: block;
}

/* Contact page: static enquiry guide */
.enquiry-guide {
  margin-top: 28px;
  border-top: 1px solid #d7e0ec;
}

.enquiry-item {
  padding: 15px 0;
  border-bottom: 1px solid #d7e0ec;
}

.enquiry-item h3 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
}

.enquiry-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #687589;
}

.enquiry-note {
  margin: 24px 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: #687589;
}

.enquiry-email-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  background: #3478c9;
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.2s ease;
}

.enquiry-email-button:hover {
  background: #2865ad;
}