:root{--red:#e52b24;--red-dark:#c91d18;--ink:#222;--muted:#666;--line:#e5e5e5;--soft:#f5f5f5;--dark:#171717;--container:1200px;--shadow:0 12px 35px rgba(0,0,0,.11)}

*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.72;background:#fff}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea,select{font:inherit}.container{width:min(var(--container),calc(100% - 48px));margin:auto}.section{padding:46px 0}.section.gray{background:#f6f6f6}.eyebrow{font-size:12px;font-weight:800;letter-spacing:2.6px;text-transform:uppercase;color:var(--red);margin-bottom:11px}.section-title{font-size:36px;line-height:1.22;margin:0 0 18px;font-weight:800;letter-spacing:-.6px}.section-subtitle{max-width:760px;color:#6c6c6c;margin:0 auto 40px;text-align:center}.center{text-align:center}.red-line{width:54px;height:3px;background:var(--red);margin:15px auto 28px}.btn{height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 27px;border:0;background:var(--red);color:#fff;font-size:13px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;cursor:pointer;transition:.28s}.btn:hover{background:var(--red-dark);transform:translateY(-2px)}.btn.outline{background:transparent;border:1px solid #fff}.btn.outline:hover{background:#fff;color:#222}.btn.dark{background:#222}.btn.light{background:#fff;color:#222}.btn.light:hover{background:#eee}.btn.lg{height:52px;padding:0 34px;font-size:14px}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.show{opacity:1;transform:none}



/* ===== TOP BAR ===== */

.topbar{height:42px;background:#1a1a1a;color:#ccc;font-size:12px;border-bottom:1px solid #333}.topbar .container{height:100%;display:flex;justify-content:space-between;align-items:center}.topbar-left,.topbar-right{display:flex;gap:20px;align-items:center}.topbar-left span{display:flex;align-items:center;gap:5px;color:#ccc}.topbar-left span i{font-style:normal;color:var(--red)}.topbar-left a{color:#ccc}.topbar-left a:hover{color:var(--red)}.social-links{display:flex;gap:8px}.social-links a{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.08);color:#ccc;font-size:13px;transition:.2s}.social-links a:hover{background:var(--red);color:#fff}.topbar-search{position:relative}.topbar-search input{width:160px;height:28px;padding:0 10px;border:1px solid #444;background:#222;color:#ccc;font-size:12px;outline:none;border-radius:3px;transition:.2s}.topbar-search input:focus{width:200px;border-color:var(--red)}.topbar-search button{position:absolute;right:4px;top:50%;transform:translateY(-50%);border:0;background:none;color:#888;cursor:pointer;font-size:12px}



/* ===== HEADER ===== */

.main-header{height:85px;background:#fff;border-bottom:1px solid rgba(0,0,0,.08);position:relative;z-index:60}.main-header.sticky{position:fixed;left:0;right:0;top:0;box-shadow:0 3px 15px rgba(0,0,0,.12);animation:headIn .25s ease}.main-header.sticky+.header-spacer{height:85px}.header-spacer{height:0}@keyframes headIn{from{transform:translateY(-100%)}to{transform:none}}.header-inner{height:100%;display:flex;align-items:center;justify-content:center;gap:28px}.brand{display:flex;align-items:center;gap:8px;flex-shrink:0}.brand img{height:46px;width:auto}.brand-word{font-size:17px;font-weight:700;letter-spacing:.2px;color:#222;white-space:nowrap}.brand-word .red{color:#222}.desktop-nav{height:100%;display:flex;align-items:stretch}.nav-item{height:100%;display:flex;align-items:center;position:relative}.nav-link{height:100%;padding:0 13px;display:flex;align-items:center;font-size:13px;font-weight:700;text-transform:uppercase;transition:.2s;gap:4px;white-space:nowrap}.nav-link:after{content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;background:var(--red);transform:scaleX(0);transition:.25s}.nav-item:hover>.nav-link,.nav-item.active>.nav-link{color:var(--red)}.nav-item:hover>.nav-link:after,.nav-item.active>.nav-link:after{transform:scaleX(1)}.nav-caret{font-size:8px;color:#999}.nav-item:hover .nav-caret{color:var(--red)}.quick-btn{height:100%;min-width:128px;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;text-transform:uppercase;font-size:12px;font-weight:900;letter-spacing:.4px;margin-left:12px;transition:.25s}.quick-btn:hover{background:var(--red-dark);color:#fff}



/* ===== MEGA MENU ===== */

.mega{position:absolute;top:85px;left:50%;transform:translate(-52%,15px);width:min(1140px,95vw);background:white;box-shadow:0 18px 45px rgba(0,0,0,.2);border-top:3px solid var(--red);display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0;opacity:0;visibility:hidden;transition:.22s;z-index:100;border-radius:0 0 6px 6px}.nav-item:hover .mega{opacity:1;visibility:visible;transform:translate(-52%,0)}.mega-col{padding:0 24px;border-right:1px solid #eee}.mega-col:last-child{border-right:0}.mega h4,.mega .mega-title{font-size:13px;text-transform:uppercase;margin:0 0 12px;color:#222;font-weight:800;position:relative;padding-bottom:8px;letter-spacing:.3px}.mega h4:after,.mega .mega-title:after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--red)}.mega a{display:block;font-size:12.5px;color:#666;padding:5px 0;line-height:1.5;transition:.15s}.mega a:hover{color:var(--red);padding-left:6px}.mega-feature{background:linear-gradient(140deg,rgba(0,0,0,.6),rgba(0,0,0,.15)),url('../images/factory-machine.jpg') center/cover;color:white;padding:24px;display:flex;flex-direction:column;justify-content:flex-end;min-height:200px;border-radius:4px}.mega-feature strong{font-size:18px;line-height:1.3;display:block}.mega-feature span{font-size:12px;margin-top:6px;color:#ddd}.mega-feature a{color:#fff;padding:0;font-size:12px;margin-top:8px}.mega-feature a:hover{padding-left:0;text-decoration:underline}

.mega-sub-title{font-size:11px;font-weight:700;color:#999;text-transform:uppercase;letter-spacing:.5px;margin:10px 0 4px;padding-top:6px;border-top:1px dotted #eee}



/* ===== MOBILE TOGGLE ===== */

.mobile-toggle{display:none;margin-left:auto;border:0;background:none;width:42px;height:42px;position:relative;cursor:pointer}.mobile-toggle span,.mobile-toggle:before,.mobile-toggle:after{content:"";position:absolute;left:8px;right:8px;height:2.5px;background:#222;border-radius:2px;transition:.3s}.mobile-toggle:before{top:12px}.mobile-toggle span{top:21px}.mobile-toggle:after{top:30px}



/* ===== HERO ===== */

.hero{height:700px;position:relative;overflow:hidden;background:#222}.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .8s ease}.hero-slide.active{opacity:1;visibility:visible}.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover}.hero-overlay{position:absolute;inset:0;background:none}.hero .container{height:100%;position:relative;z-index:2;display:flex;align-items:center}.hero-copy{display:none}.hero-kicker{display:flex;align-items:center;gap:13px;color:#ddd;font-size:13px;font-weight:800;letter-spacing:2.1px;text-transform:uppercase;margin-bottom:18px}.hero-kicker:before{content:"";width:42px;height:3px;background:var(--red);flex-shrink:0}.hero h1{font-size:54px;line-height:1.1;margin:0 0 20px;font-weight:900;letter-spacing:-1.4px}.hero h1 .red{color:var(--red)}.hero p{max-width:580px;color:#e0e0e0;font-size:16px;line-height:1.75;margin:0 0 30px}.hero-actions{display:flex;gap:12px}.hero-product{position:absolute;z-index:2;right:max(3vw,calc((100vw - 1240px)/2));bottom:10px;width:min(560px,42vw);filter:drop-shadow(0 25px 18px rgba(0,0,0,.4));animation:float 4.5s ease-in-out infinite}.hero-slide:nth-child(2) .hero-product{width:min(490px,38vw);right:max(2vw,calc((100vw - 1180px)/2))}.hero-slide:nth-child(3) .hero-product{width:min(520px,40vw)}@keyframes float{50%{transform:translateY(-10px)}}.hero-dots{position:absolute;z-index:5;left:50%;bottom:30px;transform:translateX(-50%);display:flex;gap:10px}.hero-dot{width:30px;height:3px;background:rgba(255,255,255,.45);border:0;padding:0;cursor:pointer;border-radius:2px;transition:.2s}.hero-dot.active{background:var(--red);width:38px}.hero-arrows button{position:absolute;z-index:5;top:50%;transform:translateY(-50%);width:48px;height:56px;background:rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:22px;cursor:pointer;opacity:1;transition:.3s;border-radius:0}.hero:hover .hero-arrows button{opacity:1}.hero-prev{left:0}.hero-next{right:0}



/* ===== HERO RESPONSIVE ===== */

@media(max-width:760px){.hero{height:640px}.contact-form-img{min-height:0;max-height:340px}.hero-overlay{background:none}.hero-copy{width:100%;padding-top:0;align-self:flex-start;margin-top:85px}.hero h1{font-size:36px}.hero p{font-size:14px;line-height:1.65}.hero-product{width:340px;max-width:90vw;right:-50px;bottom:-10px;opacity:.75}.hero-actions{position:relative;z-index:3}.hero-arrows{display:none}.hero-dots{bottom:20px}.section{padding:40px 0}.section-title{font-size:28px}}



/* ===== INTRO SECTION ===== */

.intro{padding:60px 0 52px;background:#fff}.intro-grid{max-width:1100px;margin:0 auto;text-align:center}.intro-heading{margin-bottom:24px}.intro-heading .section-title{font-size:48px;font-weight:600;color:#222;line-height:1.18;margin:0 0 12px}.intro-body{color:#555;font-size:16px;line-height:1.85;margin-bottom:36px}.intro-body p{margin:0 0 18px}.intro-body p:last-child{margin-bottom:0}.intro-action{text-align:center;margin-top:22px}.intro-action .btn{display:inline-flex;height:auto;align-items:center;justify-content:center;background:var(--red);color:#fff;padding:12px 36px;font-size:15px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;border-radius:4px;text-decoration:none;transition:.3s;opacity:1!important;visibility:visible!important;pointer-events:auto!important}.intro-action .btn *{opacity:1!important;visibility:visible!important}.intro-action .btn:hover{background:#c00;transform:translateY(-2px)}@media(max-width:760px){.intro{padding:45px 0 38px}.intro-heading .section-title{font-size:34px;font-weight:600;line-height:1.2;margin:0 0 10px}.intro-body{font-size:14px;line-height:1.75}}



/* ===== PRODUCTS GRID ===== */

.products{padding:88px 0 90px;background:#f4f4f4}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;position:relative;overflow:hidden;border:1px solid #e7e7e7;transition:.35s;border-radius:4px}.product-card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:transparent}.product-image{height:260px;display:flex;align-items:center;justify-content:center;background:linear-gradient(#fff,#f8f8f8);overflow:hidden}.product-image img{height:250px;width:92%;object-fit:contain;transition:transform .45s ease}.product-card:hover .product-image img{transform:scale(1.07)}.product-body{padding:18px 20px 20px;border-top:1px solid #eee;position:relative}.product-body h3{font-size:16px;line-height:1.35;margin:0 48px 8px 0}.product-body h3 a{color:var(--ink)}.product-body h3 a:hover{color:var(--red)}.detail-link{font-size:11px;color:#777;font-weight:800;letter-spacing:.9px;text-transform:uppercase}.detail-link:after{content:" \2192";color:var(--red)}.card-arrow{position:absolute;right:20px;top:20px;width:34px;height:34px;border:1px solid #ddd;display:grid;place-items:center;color:var(--red);transition:.25s;border-radius:3px}.product-card:hover .card-arrow{background:var(--red);border-color:var(--red);color:#fff}.product-actions{text-align:center;margin-top:36px;display:flex;justify-content:center;gap:10px}@media(max-width:1050px){.product-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.products{padding:60px 0}.product-grid{grid-template-columns:1fr}.product-image{height:240px}}



/* ===== MEDIA BAND (VIDEO + CTA) ===== */

.media-band{display:grid;grid-template-columns:1.4fr .6fr;min-height:460px}.video-panel{position:relative;background:linear-gradient(rgba(0,0,0,.35),rgba(0,0,0,.35)),url('../images/factory-machine.jpg') center/cover;display:flex;flex-direction:column;align-items:center;justify-content:center;color:white}.video-play{width:82px;height:82px;border-radius:50%;border:2px solid rgba(255,255,255,.8);background:rgba(229,43,36,.85);color:white;font-size:30px;cursor:pointer;box-shadow:0 0 0 13px rgba(255,255,255,.12);transition:.25s;display:grid;place-items:center;margin-bottom:16px}.video-play:hover{transform:scale(1.1);box-shadow:0 0 0 18px rgba(255,255,255,.1)}.video-caption{text-align:center;position:absolute;left:30px;bottom:30px;text-align:left}.video-caption strong{display:block;font-size:22px;font-weight:800}.video-caption span{font-size:12px;color:#ccc;letter-spacing:.3px}.video-all-btn{position:absolute;top:24px;right:24px;background:rgba(0,0,0,.4);color:#fff;border:1px solid rgba(255,255,255,.3);padding:8px 16px;font-size:11px;text-transform:uppercase;font-weight:700;letter-spacing:.5px;cursor:pointer;transition:.2s;border-radius:3px}.video-all-btn:hover{background:var(--red);border-color:var(--red)}.quote-panel{background:var(--red);color:white;padding:60px 48px;display:flex;flex-direction:column;justify-content:center}.quote-panel h2{font-size:32px;line-height:1.22;margin:0 0 16px}.quote-panel p{color:#ffe8e7;margin:0 0 25px;font-size:14px;line-height:1.7}.quote-panel .btn.light:hover{background:#eee;color:var(--ink)}@media(max-width:1050px){.media-band{grid-template-columns:1fr}.video-panel{min-height:340px}}@media(max-width:760px){.quote-panel{padding:42px 24px}.quote-panel h2{font-size:28px}}



.media-band.about-ruihong{display:block;min-height:0;padding:70px 0;background:#f5f5f5}

.about-ruihong-grid{display:grid;grid-template-columns:280px 1fr;gap:0;max-width:1200px;margin:0 auto;align-items:center}

.about-ruihong-left{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:35px;background:transparent;padding:0 25px}

.about-ruihong-icon{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}

.ar-icon-circle{width:130px;height:130px;min-width:130px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.25s;box-shadow:0 4px 16px rgba(0,0,0,.12);border:4px solid #fff}

.about-ruihong-icon:nth-child(1) .ar-icon-circle{background:#f5b800}
.about-ruihong-icon:nth-child(2) .ar-icon-circle{background:#2a2a2a}
.about-ruihong-icon:nth-child(3) .ar-icon-circle{background:#f5b800}

.about-ruihong-icon:hover .ar-icon-circle{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.2)}

.ar-icon-label{font-size:11px;font-weight:900;text-transform:uppercase;color:#1a1a1a;letter-spacing:.4px;line-height:1.4;max-width:130px}.lang-zh .ar-icon-label{font-size:17px;line-height:1.5;max-width:170px}

.about-ruihong-right{display:flex;align-items:center;justify-content:flex-start;padding:0 30px 0 5px}

.ar-video-box{position:relative;width:100%;max-width:1000px;background:#e8e8e8;border-radius:4px;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,.1)}

.ar-video-box video,.ar-video-box img{display:block;width:100%;height:auto;max-height:600px;object-fit:contain}

.ar-video{display:block;width:100%;height:auto;max-height:600px;object-fit:contain}

@media(max-width:1100px){.about-ruihong-grid{grid-template-columns:230px 1fr;max-width:100%}.about-ruihong-left{padding:0 20px;gap:30px}.ar-icon-circle{width:110px;height:110px;border-width:4px}.ar-icon-circle svg{width:44px;height:36px}.ar-icon-label{font-size:10px;max-width:110px}.lang-zh .ar-icon-label{font-size:15px;max-width:140px}.about-ruihong-right{padding:0 25px 0 8px}.ar-video-box{max-width:900px}.ar-video-box video,.ar-video-box img,.ar-video{max-height:500px}}

@media(max-width:900px){.about-ruihong-grid{grid-template-columns:1fr}.about-ruihong-left{flex-direction:row;gap:20px;padding:30px 20px}.about-ruihong-icon{gap:8px}.ar-icon-circle{width:75px;height:95px;border-width:3px}.ar-icon-circle svg{width:38px;height:32px}.ar-icon-label{font-size:10px;max-width:100px}.lang-zh .ar-icon-label{font-size:15px;max-width:130px}.about-ruihong-right{padding:0 20px 20px}.ar-video-box{max-width:100%}.ar-video-box video,.ar-video-box img,.ar-video{max-height:420px}}

@media(max-width:760px){.about-ruihong-left{flex-direction:column;gap:25px;padding:30px 15px}.about-ruihong-icon{flex-direction:row;gap:12px;text-align:left;width:100%;max-width:260px}.ar-icon-label{max-width:none;font-size:10px}.lang-zh .ar-icon-label{font-size:15px}.about-ruihong-right{padding:0 15px 15px}.ar-video-box video,.ar-video-box img,.ar-video{max-height:320px}}

/* ===== WHY CHOOSE ===== */

.why{padding:90px 0;background:#fff}.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.why-visual{position:relative;height:580px}.why-main{position:absolute;inset:0 95px 70px 0;width:calc(100% - 95px);height:calc(100% - 70px);object-fit:cover;border-radius:4px}.why-small{position:absolute;right:0;bottom:0;width:47%;height:45%;object-fit:cover;border:10px solid #fff;box-shadow:var(--shadow);border-radius:4px}.why-badge{position:absolute;right:15px;top:42px;width:130px;height:130px;background:var(--red);color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-radius:4px}.why-badge strong{font-size:36px;line-height:1;display:block}.why-badge span{font-size:11px;text-transform:uppercase;letter-spacing:1px;margin-top:6px}.why-content .section-title{font-size:38px}.why-content>p{color:#696969;font-size:15px}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;margin-top:24px}.feature-item{display:flex;align-items:flex-start;gap:11px;padding:11px 0;border-bottom:1px solid #eee;font-size:13.5px}.feature-icon{width:24px;height:24px;flex:0 0 auto;border-radius:50%;background:#fce7e6;color:var(--red);display:grid;place-items:center;font-weight:bold;font-size:12px}.stats{display:grid;grid-template-columns:repeat(4,1fr);background:#222;color:#fff;margin-top:65px;border-radius:4px;overflow:hidden}.stat{padding:28px 16px;text-align:center;border-right:1px solid #3a3a3a}.stat:last-child{border-right:0}.stat strong{display:block;font-size:34px;color:#fff;line-height:1.1;font-weight:900}.stat span{font-size:11px;color:#bbb;text-transform:uppercase;letter-spacing:.7px;margin-top:3px;display:block}.why-carousel{position:relative;height:580px}.why-carousel .carousel-img{position:absolute;inset:0;object-fit:cover;opacity:0;transition:opacity .8s ease;border-radius:4px}.why-carousel .carousel-img.active{opacity:1}.carousel-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.carousel-dots button{width:10px;height:10px;border-radius:50%;border:2px solid rgba(255,255,255,.6);background:transparent;padding:0;cursor:pointer;transition:.2s}.carousel-dots button.active{background:#fff;border-color:#fff}

@media(max-width:1050px){.why-grid{gap:34px}.feature-list{grid-template-columns:1fr}}@media(max-width:760px){.why{padding:60px 0}.why-grid{grid-template-columns:1fr}.why-visual,.why-carousel{height:400px}.why-content .section-title{font-size:30px}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid #3a3a3a}}



/* ===== APPLICATIONS ===== */

.applications{padding:88px 0 95px;background:#f6f6f6;overflow:hidden}.app-track-wrap{overflow:hidden;margin:0 auto}.app-track{display:flex;gap:20px;transition:transform .55s ease}
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
@media(max-width:1100px){.app-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.app-grid{grid-template-columns:1fr}}
.app-card{min-width:calc((100% - 40px)/3);height:420px;position:relative;overflow:hidden;color:#fff;border-radius:6px;cursor:pointer}.app-card img{width:100%;height:100%;object-fit:cover;transition:.5s}.app-card:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 38%,rgba(0,0,0,.88))}.app-card:hover img{transform:scale(1.08)}.app-info{position:absolute;z-index:2;left:25px;right:25px;bottom:24px}.app-info small{display:block;text-transform:uppercase;letter-spacing:1.2px;color:#ddd;font-size:10px}.app-info h3{font-size:22px;margin:4px 0 6px;font-weight:800}.app-info span{font-size:12px;color:var(--red);font-weight:700}.app-nav{text-align:center;margin-top:26px;display:flex;justify-content:center;gap:6px}.app-nav button{width:44px;height:44px;border:1px solid #ccc;background:#fff;cursor:pointer;font-size:16px;border-radius:4px;transition:.2s}.app-nav button:hover{background:var(--red);color:#fff;border-color:var(--red)}@media(max-width:1050px){.app-card{min-width:calc((100% - 20px)/2)}}@media(max-width:760px){.applications{padding:60px 0}.app-card{min-width:100%;height:360px}}



/* ===== TESTIMONIALS ===== */

.testimonials{padding:90px 0;background:#fff}.testimonial-layout{display:grid;grid-template-columns:35% 65%;min-height:430px;border-radius:4px;overflow:hidden}.testimonial-title{background:#202020;color:white;padding:65px 50px;display:flex;flex-direction:column;justify-content:center}.testimonial-title h2{font-size:34px;line-height:1.25;margin:0 0 15px;font-weight:800}.testimonial-title p{color:#aaa;font-size:14px}.testimonial-slider{position:relative;background:#f4f4f4;overflow:hidden}.testimonial{position:absolute;inset:0;padding:70px 75px;opacity:0;transform:translateX(35px);transition:.55s}.testimonial.active{opacity:1;transform:none}.quote-mark{font-family:Georgia,serif;font-size:80px;color:var(--red);line-height:.6;font-weight:700}.testimonial blockquote{font-size:17px;line-height:1.85;color:#555;margin:20px 0 26px;font-style:italic}.client{display:flex;align-items:center;gap:14px;margin-top:20px}.avatar{width:54px;height:54px;border-radius:50%;background:#222;color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;flex-shrink:0}.client strong{display:block;font-size:15px}.client span{font-size:12px;color:#888}.testimonial-dots{position:absolute;bottom:28px;right:40px;display:flex;gap:9px;z-index:3}.testimonial-dots button{width:10px;height:10px;border:0;border-radius:50%;background:#bbb;padding:0;cursor:pointer;transition:.2s}.testimonial-dots button.active{background:var(--red);transform:scale(1.4);box-shadow:0 0 6px rgba(229,43,36,.4)}@media(max-width:760px){.testimonial-layout{grid-template-columns:1fr}.testimonial-title{padding:40px 28px}.testimonial-title h2{font-size:28px}.testimonial-slider{height:480px}.testimonial{padding:50px 24px}.testimonial blockquote{font-size:15px}}



/* ===== GUIDES / RESOURCES ===== */

.guides{padding:88px 0;background:#f7f7f7}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.guide-card{background:#fff;border-radius:6px;overflow:hidden;transition:.3s;border:1px solid #eee}.guide-card:hover{box-shadow:var(--shadow);transform:translateY(-5px)}.guide-img{height:220px;overflow:hidden;position:relative}.guide-img img{width:100%;height:100%;object-fit:cover;transition:.45s}.guide-card:hover .guide-img img{transform:scale(1.06)}.guide-tag{position:absolute;left:0;bottom:0;background:var(--red);color:#fff;font-size:10px;text-transform:uppercase;padding:7px 12px;letter-spacing:.7px;font-weight:700}.guide-body{padding:22px 22px 26px}.guide-body h3{font-size:17px;line-height:1.45;margin:0 0 10px}.guide-body p{font-size:13px;color:#777;margin:0 0 12px;line-height:1.6}@media(max-width:760px){.guides{padding:60px 0}.guide-grid{grid-template-columns:1fr}}



/* ===== QUOTE SECTION ===== */

.quote-section{position:relative;padding:90px 0;background:linear-gradient(90deg,rgba(16,16,16,.92),rgba(16,16,16,.66)),url('../images/factory-pipes.jpg') center/cover fixed;color:#fff}.quote-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}.quote-copy h2{font-size:40px;line-height:1.18;margin:0 0 16px;font-weight:800;letter-spacing:-.6px}.quote-copy p{color:#ddd;font-size:14.5px}.quote-note{margin-top:24px;display:flex;align-items:center;gap:12px}.quote-note b{font-size:24px;color:var(--red)}.quote-note span{font-size:13px}.quote-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.quote-form input,.quote-form select,.quote-form textarea{width:100%;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;padding:12px 14px;outline:none;border-radius:3px;font-size:13px;transition:.2s}.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{border-color:var(--red)}.quote-form input::placeholder,.quote-form textarea::placeholder{color:#ccc}.quote-form select option{color:#222}.quote-form textarea{grid-column:1/-1;height:100px;resize:vertical}.quote-form .btn{grid-column:1/-1;width:100%;height:50px;font-size:14px;border-radius:6px;box-shadow:0 4px 14px rgba(229,43,36,.28);transition:all .25s}
.quote-form .btn:hover{box-shadow:0 6px 20px rgba(229,43,36,.4);transform:translateY(-1px)}
.quote-form .btn:active{transform:translateY(0)}@media(max-width:1050px){.quote-grid{gap:36px}}@media(max-width:760px){.quote-section{padding:55px 0;background-attachment:scroll}.quote-grid{grid-template-columns:1fr;gap:30px}.quote-copy h2{font-size:32px}.quote-form{grid-template-columns:1fr}.quote-form textarea,.quote-form .btn{grid-column:auto}}



/* ===== FAQ ===== */

.faq{padding:88px 0 95px}.faq-grid{display:grid;grid-template-columns:.65fr 1.35fr;gap:70px;align-items:start}.faq-intro{position:sticky;top:110px;align-self:start}.faq-intro .section-title{font-size:36px}.faq-intro p{color:#707070;font-size:14.5px}.accordion{border-top:1px solid #ddd}.faq-item{border-bottom:1px solid #eee}.faq-question{width:100%;border:0;background:#fff;text-align:left;padding:20px 46px 20px 0;font-weight:700;font-size:14.5px;position:relative;cursor:pointer;transition:.15s}.faq-question:hover{color:var(--red)}.faq-question:after{content:"+";position:absolute;right:10px;top:14px;color:var(--red);font-size:22px;font-weight:300;transition:transform .3s}.faq-item.open .faq-question:after{content:"\2212"}.faq-answer{max-height:0;overflow:hidden;color:#6b6b6b;transition:max-height .35s ease}.faq-answer-inner{padding:0 40px 20px 0;font-size:14px;line-height:1.8}.faq-item.open .faq-answer{max-height:500px}@media(max-width:760px){.faq{padding:60px 0}.faq-grid{grid-template-columns:1fr;gap:28px}.faq-intro{position:static}}



/* ===== FOOTER ===== */

.footer{background:#181818;color:#aaa;padding-top:60px}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr 1.1fr;gap:50px;padding-bottom:50px}.footer-brand .brand img{height:38px}.footer p{font-size:13px;line-height:1.7;margin:15px 0 0}.footer h4{color:#fff;font-size:14px;text-transform:uppercase;margin:0 0 20px;position:relative;padding-bottom:12px;font-weight:800;letter-spacing:.3px}.footer h4:after{content:"";position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--red)}.footer-links a{display:block;font-size:13px;padding:5px 0;color:#aaa;transition:.15s}.footer-links a:hover{color:#fff;padding-left:5px}.contact-row{display:flex;gap:10px;margin:0 0 10px;font-size:13px;align-items:center}.contact-row b{color:var(--red);flex-shrink:0}.footer-social{display:flex;gap:10px;margin-top:16px}.footer-social a{width:34px;height:34px;border-radius:50%;border:1px solid #444;display:grid;place-items:center;color:#aaa;font-size:14px;transition:.2s}.footer-social a:hover{background:var(--red);border-color:var(--red);color:#fff}.newsletter{display:flex;margin-top:18px}.newsletter input{min-width:0;flex:1;border:1px solid #444;background:#222;padding:10px 12px;color:#ccc;font-size:12px;outline:none;border-radius:3px 0 0 3px}.newsletter input:focus{border-color:var(--red)}.newsletter button{width:42px;border:0;background:var(--red);color:#fff;cursor:pointer;font-size:16px;border-radius:0 3px 3px 0}.copyright{border-top:1px solid #303030;padding:18px 0;font-size:12px}.copyright .container{display:flex;justify-content:space-between;align-items:center}.copyright-links{display:flex;gap:15px}.copyright-links a{color:#888;transition:.15s}.copyright-links a:hover{color:var(--red)}.footer-tags{display:flex;gap:12px}@media(max-width:1050px){.footer-grid{grid-template-columns:1fr 1fr;gap:35px}}@media(max-width:760px){.footer{padding-top:45px}.footer-grid{grid-template-columns:1fr;gap:28px}.copyright .container{flex-direction:column;text-align:center;gap:8px}}



/* ===== FLOATING BUTTONS ===== */

.float-stack{position:fixed;right:0;top:40%;z-index:55;display:flex;flex-direction:column;gap:1px}.float-btn{width:50px;height:50px;border:0;background:#222;color:#fff;display:grid;place-items:center;font-size:18px;cursor:pointer;position:relative;transition:.2s}.float-btn:hover{background:#333}.float-btn.red{background:var(--red)}.float-btn.red:hover{background:var(--red-dark)}.float-btn span{position:absolute;right:54px;white-space:nowrap;background:#222;color:#fff;font-size:11px;padding:7px 10px;opacity:0;visibility:hidden;transform:translateX(8px);transition:.2s;border-radius:3px;pointer-events:none}.float-btn.red span{background:var(--red)}.float-btn:hover span{opacity:1;visibility:visible;transform:translateX(0)}.back-top{position:fixed;right:20px;bottom:20px;width:42px;height:42px;background:#222;color:#fff;border:0;display:none;z-index:54;cursor:pointer;border-radius:4px;font-size:18px;transition:.2s}.back-top.show{display:grid;place-items:center}.back-top:hover{background:var(--red)}@media(max-width:760px){.float-stack{top:auto;bottom:70px}.float-btn{width:44px;height:44px;font-size:16px}}



/* ===== MODALS ===== */

.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:200;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.25s;padding:20px}.modal.open{opacity:1;visibility:visible}.modal-box{width:min(700px,100%);background:#fff;position:relative;transform:translateY(20px);transition:.25s;max-height:90vh;overflow-y:auto;border-radius:6px}.modal.open .modal-box{transform:none}.modal-close{position:absolute;right:12px;top:10px;width:34px;height:34px;border:0;background:#222;color:white;font-size:18px;z-index:2;cursor:pointer;border-radius:4px;display:grid;place-items:center;transition:.2s}.modal-close:hover{background:var(--red)}.quote-modal .modal-box{display:grid;grid-template-columns:.7fr 1.3fr}.modal-side{background:linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.7)),url('../images/factory-machine.jpg') center/cover;color:#fff;padding:45px 25px;display:flex;flex-direction:column;justify-content:flex-end;border-radius:6px 0 0 6px}.modal-side h3{font-size:26px;line-height:1.25;margin:12px 0 8px}.modal-side p{font-size:13px;color:#ddd}.modal-form{padding:40px 38px}.modal-form h3{font-size:26px;margin:0 0 6px}.modal-form p{color:#777;margin:0 0 18px;font-size:13px}.modal-form input,.modal-form textarea{width:100%;border:1px solid #ddd;padding:11px 12px;margin-bottom:10px;border-radius:3px;font-size:13px;outline:none;transition:.2s}.modal-form input:focus,.modal-form textarea:focus{border-color:var(--red)}.modal-form textarea{height:80px;resize:vertical}.video-modal .modal-box{width:min(900px,100%);aspect-ratio:16/9;background:#111;color:#fff;display:grid;place-items:center;border-radius:6px}
.app-detail-box{width:min(760px,100%);background:#fff;border-radius:8px;overflow:hidden}
.app-detail-img{width:100%;height:340px;object-fit:cover;display:block;background:#eee}
.app-detail-body{padding:28px 34px 34px}
.app-detail-cat{display:inline-block;color:var(--red);font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px}
.app-detail-name{font-size:26px;font-weight:800;color:#1a1a1a;margin:0 0 14px}
.app-detail-desc{font-size:14px;line-height:1.8;color:#555;margin:0}
@media(max-width:600px){.app-detail-img{height:220px}.app-detail-body{padding:20px}}
.video-placeholder{text-align:center}.video-placeholder .video-play{margin:0 auto 12px}.video-placeholder h3{color:#fff;font-size:18px}@media(max-width:760px){.quote-modal .modal-box{grid-template-columns:1fr}.modal-side{display:none;border-radius:6px 6px 0 0}.modal-form{padding:30px 20px}}



/* ===== MOBILE DRAWER ===== */

.mobile-drawer{position:fixed;z-index:150;inset:0 0 0 auto;width:min(380px,88vw);background:#fff;transform:translateX(100%);transition:.28s cubic-bezier(.4,0,.2,1);overflow:auto;padding:75px 24px 30px;box-shadow:-10px 0 35px rgba(0,0,0,.2)}.mobile-drawer.open{transform:none}.drawer-close{position:absolute;right:18px;top:16px;border:0;background:none;font-size:28px;cursor:pointer;color:#222;width:36px;height:36px;display:grid;place-items:center}.drawer-nav a,.drawer-group-title{display:block;padding:12px 0;border-bottom:1px solid #eee;font-size:14px}.drawer-nav a{font-weight:600;color:var(--ink)}.drawer-nav a:hover{color:var(--red)}.drawer-group-title{font-weight:800;color:var(--red);font-size:11px;text-transform:uppercase;letter-spacing:1px;padding-top:18px}.drawer-sub{padding-left:14px}.drawer-sub a{font-weight:400;font-size:13px;padding:10px 0;border-bottom:1px solid #f5f5f5}.drawer-sub a:last-child{border-bottom:0}.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:140;opacity:0;visibility:hidden;transition:.25s}.drawer-overlay.open{opacity:1;visibility:visible}



/* ===== PAGE HERO (inner pages) ===== */

.page-hero{width:100%;aspect-ratio:1920/460;background:url('../images/factory-machine.jpg') center/cover no-repeat;display:flex;align-items:center}.page-hero .container{display:none}.breadcrumbs{display:none}@media(max-width:760px){.page-hero{aspect-ratio:1920/460}}



/* ===== CONTENT GRID (inner pages with sidebar) ===== */

.content-grid{display:grid;grid-template-columns:270px 1fr;gap:40px;align-items:start}.sidebar-box{border:1px solid #e4e4e4;margin-bottom:22px;border-radius:4px;overflow:hidden}.sidebar-title{background:#222;color:#fff;padding:13px 16px;font-size:14px;font-weight:800;text-transform:uppercase;border-left:4px solid var(--red)}.sidebar-list a{display:block;padding:10px 16px;border-bottom:1px solid #eee;font-size:13px;transition:.15s}.sidebar-list a:hover,.sidebar-list a.active{color:var(--red);padding-left:22px;background:#fef5f4}.sidebar-help{padding:18px}.sidebar-help p{font-size:13px;color:#777;margin:0 0 14px}.inner-product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}@media(max-width:1050px){.content-grid{grid-template-columns:230px 1fr}.inner-product-grid{grid-template-columns:1fr}}@media(max-width:760px){.content-grid{grid-template-columns:1fr}.sidebar{display:none}}



/* ===== CONTACT PAGE ===== */

.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.contact-card{padding:28px;border:1px solid #e5e5e5;text-align:center;border-radius:6px;transition:.25s}.contact-card:hover{box-shadow:var(--shadow);border-color:transparent}.contact-card .icon{width:54px;height:54px;border-radius:50%;background:#fce5e4;color:var(--red);display:grid;place-items:center;margin:0 auto 14px;font-size:22px}.contact-card h3{margin:0 0 6px;font-size:16px}.contact-card p{color:#555;font-size:14px;margin:0}.full-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.full-form input,.full-form textarea,.full-form select{border:1px solid #ddd;padding:12px 14px;border-radius:3px;outline:none;font-size:13px;transition:.2s}.full-form input:focus,.full-form textarea:focus,.full-form select:focus{border-color:var(--red)}.full-form textarea{grid-column:1/-1;height:130px;resize:vertical}.full-form .btn{grid-column:1/-1;width:100%;height:50px;font-size:14px;border-radius:6px;background:var(--red);box-shadow:0 4px 14px rgba(229,43,36,.28);transition:all .25s}
.full-form .btn:hover{background:var(--red-dark,#c81f19);box-shadow:0 6px 20px rgba(229,43,36,.4);transform:translateY(-1px)}
.full-form .btn:active{transform:translateY(0);box-shadow:0 2px 8px rgba(229,43,36,.3)}@media(max-width:760px){.contact-cards{grid-template-columns:1fr}.full-form{grid-template-columns:1fr}.full-form textarea{grid-column:auto}}



/* ===== ABOUT PAGE SPECIFIC ===== */

.about-split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.about-img{position:relative;border-radius:4px;overflow:hidden}.about-img:after{content:"";position:absolute;left:-12px;top:12px;width:100%;height:100%;border:4px solid var(--red);z-index:-1;border-radius:4px}.about-img img{width:100%;height:440px;object-fit:cover;border-radius:4px}.about-content p{color:#686868;font-size:15px;margin:0 0 16px}.timeline{position:relative;margin-top:28px;padding-left:32px}.timeline:before{content:"";position:absolute;left:8px;top:4px;bottom:0;width:2px;background:#ddd}.time-item{position:relative;margin-bottom:25px;padding-left:10px}.time-item:before{content:"";position:absolute;left:-28px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px #fbe3e2}.time-item strong{color:var(--red);font-size:18px;display:block}.time-item h3{font-size:16px;margin:4px 0 2px}.time-item p{color:#777;font-size:13px;margin:0}



/* About: Mission & Values */

.mission-values{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.mission-text p{color:#686868}.values-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.value-card{padding:22px;border:1px solid #eee;border-radius:6px;transition:.25s}.value-card:hover{box-shadow:var(--shadow);border-color:transparent;transform:translateY(-3px)}.value-card .v-icon{width:42px;height:42px;border-radius:50%;background:#fce5e4;color:var(--red);display:grid;place-items:center;font-size:18px;margin-bottom:12px}.value-card h4{font-size:14px;margin:0 0 6px;font-weight:800;text-transform:uppercase}.value-card p{font-size:12.5px;color:#777;margin:0;line-height:1.6}



/* About: Corporate Culture */

.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.culture-card{padding:32px 24px;text-align:center;border:1px solid #eee;border-radius:6px;transition:.25s}.culture-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.culture-card .c-icon{width:56px;height:56px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;margin:0 auto 16px;font-size:24px}.culture-card h4{font-size:15px;margin:0 0 10px;font-weight:800}.culture-card p{font-size:13px;color:#777;margin:0;line-height:1.6}




/* About: Certifications */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:30px}.cert-item{text-align:center}.cert-item:hover{transform:translateY(-4px)}.cert-img{width:100%;aspect-ratio:3/4;display:block;overflow:hidden;margin-bottom:14px}.cert-img img{width:100%;height:100%;object-fit:cover;display:block}.cert-ph{color:#bbb;font-size:13px;font-weight:600;text-align:center;line-height:1.5;padding:10px}.cert-title{font-size:15px;font-weight:700;margin:0;color:#333}
@media(max-width:900px){.cert-grid{grid-template-columns:repeat(2,1fr);gap:18px}}
@media(max-width:520px){.cert-grid{grid-template-columns:repeat(1,1fr)}}

/* About: Quality Control */

.qc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.qc-item{background:#f9f9f9;border:1px solid #eee;border-radius:4px;padding:14px;text-align:center;font-size:12px;font-weight:600;transition:.2s}.qc-item:hover{background:var(--red);color:#fff;border-color:var(--red)}



/* About: Team */

.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:20px}.team-card{text-align:center;border:1px solid #eee;border-radius:6px;padding:24px 16px;transition:.25s}.team-card:hover{box-shadow:var(--shadow)}.team-card .t-avatar{width:90px;height:90px;border-radius:50%;background:#fce5e4;color:var(--red);display:grid;place-items:center;margin:0 auto 14px;font-size:28px;font-weight:800}.team-card h4{font-size:15px;margin:0 0 3px}.team-card .t-role{color:var(--red);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;display:block}.team-card .t-desc{font-size:12px;color:#888;line-height:1.5;margin:0}.team-card .t-email{font-size:11px;color:#aaa;margin-top:6px;display:block}.team-card .t-email:hover{color:var(--red)}



/* About: Quality Policy */

.policy-list{padding:0;list-style:none;margin:18px 0 0}.policy-list li{position:relative;padding:8px 0 8px 24px;color:#555;font-size:14px;border-bottom:1px solid #f0f0f0}.policy-list li:before{content:"\2713";position:absolute;left:0;color:var(--red);font-weight:700}



/* About: Certifications */

.cert-logos{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:20px}.cert-logo-item{width:140px;height:100px;border:1px solid #eee;border-radius:6px;display:flex;align-items:center;justify-content:center;background:#fff;padding:15px}.cert-logo-item img{max-width:100%;max-height:100%;object-fit:contain}



/* About: Production Process */

.proc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-top:24px}.proc-step{text-align:center;padding:20px 14px;border:1px solid #eee;border-radius:6px;position:relative;transition:.2s}.proc-step:hover{border-color:var(--red)}.proc-step .step-num{width:36px;height:36px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;margin:0 auto 10px;font-size:14px;font-weight:800}.proc-step h4{font-size:13px;margin:0 0 4px}.proc-step p{font-size:11px;color:#888;margin:0}



/* Tab panels (product detail) */

.tabs{margin-top:55px}.tab-head{display:flex;border-bottom:2px solid #222;overflow-x:auto}.tab-head button{border:0;background:#f2f2f2;padding:13px 22px;font-weight:700;cursor:pointer;white-space:nowrap;transition:.15s;font-size:13px}.tab-head button.active{background:#222;color:#fff}.tab-panel{display:none;padding:28px 5px;color:#686868}.tab-panel.active{display:block}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:50px}.product-detail-img{border:1px solid #eee;background:#fafafa;min-height:440px;display:flex;align-items:center;justify-content:center;border-radius:4px}.product-detail-img img{max-width:90%;max-height:90%;object-fit:contain}.spec-list{border-top:1px solid #ddd;margin:20px 0}.spec-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #eee;font-size:14px}.spec-row span{color:#777}@media(max-width:760px){.about-split,.product-detail{grid-template-columns:1fr}.about-img img{height:330px}.product-detail-img{min-height:340px}.mission-values{grid-template-columns:1fr}.culture-grid{grid-template-columns:1fr}.team-grid{grid-template-columns:1fr 1fr}.qc-grid{grid-template-columns:repeat(2,1fr)}.tab-head{overflow:auto}.tab-head button{white-space:nowrap}}.lang-switch{display:inline-flex;align-items:center;gap:4px;margin-right:14px}.lang-switch a{color:#ccc;text-decoration:none;font-weight:600;padding:2px 4px;border-radius:3px;transition:color .2s}.lang-switch a:hover{color:#fff}.lang-switch a.active{color:#fff;background:#e60012;padding:2px 6px}.lang-sep{color:#666}@media(max-width:1100px){.lang-switch{margin-right:8px}.topbar-right .topbar-search{display:none}}
/* ======= Homepage Products Grid (3x3 card layout) ======= */
.home-products{padding:80px 0 80px;background:#fff}
.home-products .section-heading{text-align:center;margin-bottom:50px}
.home-products .section-heading h2{font-size:38px;font-weight:800;color:#222;margin:0 0 12px;text-transform:uppercase;letter-spacing:1px}
.home-products .section-sub{font-size:16px;color:#888;margin:0}
.home-products-grid{display:grid;grid-template-columns:repeat(3,1fr);row-gap:55px;column-gap:40px}
.hp-card{background:transparent;border-radius:0;overflow:visible;display:flex;flex-direction:column;align-items:center;transition:.3s;box-shadow:none;border:none}
.hp-card-img{width:100%;aspect-ratio:1/1;display:block;background:#fff;padding:30px;margin:0;overflow:hidden;line-height:0;border-radius:6px;box-shadow:0 2px 10px rgba(0,0,0,.08);transition:box-shadow .3s}
.hp-card-img img{width:100%;height:100%;max-width:none;max-height:none;object-fit:cover;display:block;transition:transform .4s ease}
.hp-card:hover .hp-card-img{box-shadow:0 6px 20px rgba(0,0,0,.14)}
.hp-card:hover .hp-card-img img{transform:scale(1.06)}
.hp-card-body{padding:22px 4px 8px;display:flex;flex-direction:column;align-items:center;flex:none;gap:12px;background:transparent}
.hp-card-body h3{font-size:18px;font-weight:700;color:#222;margin:0;line-height:1.3;text-align:center;letter-spacing:.3px;transition:color .25s}
.hp-card:hover .hp-card-body h3{color:var(--red)}
.btn-check-detail{display:inline-block;padding:9px 28px;font-size:12px;font-weight:700;color:var(--red);border:2px solid var(--red);border-radius:4px;text-decoration:none;text-transform:uppercase;transition:.25s;letter-spacing:.5px;margin-top:auto}
.btn-check-detail:hover{background:var(--red);color:#fff}
.hp-cta-row{display:flex;justify-content:center;gap:18px;margin-top:50px}
.btn-hp-cta{display:inline-block;padding:14px 42px;font-size:15px;font-weight:700;border-radius:5px;text-decoration:none;text-transform:uppercase;letter-spacing:.5px;transition:.25s}
.btn-hp-contact{background:var(--red);color:#fff}
.btn-hp-contact:hover{background:#c00}
.btn-hp-quote{background:#fff;color:var(--red);border:2px solid var(--red)}
.btn-hp-quote:hover{background:var(--red);color:#fff}
@media(max-width:1050px){.home-products-grid{grid-template-columns:repeat(2,1fr);row-gap:48px;column-gap:36px}}
@media(max-width:640px){.home-products-grid{grid-template-columns:repeat(2,1fr);row-gap:40px;column-gap:28px}.hp-cta-row{flex-direction:column;align-items:center;gap:14px}.home-products .section-heading h2{font-size:28px}.home-products{padding:50px 0 60px}}
@media(max-width:480px){.home-products-grid{grid-template-columns:1fr}}

/* ===== Exhibition Section ===== */
/* === Exhibition === */
.exhibition-section {
    padding: 50px 0;
    background: #F5F0E8;
}
.exhibition-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    gap: 16px;
}
.exhibition-line {
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #C8933A, #E8B84B, #C8933A);
    border-radius: 2px;
}
.exhibition-title {
    font-size: 32px;
    font-weight: 800;
    color: #1A2B4A;
    white-space: nowrap;
}
.exhibition-img-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}
.exhibition-hero-img {
    width: 100%;
    max-width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
@media (max-width: 768px) {
    .exhibition-section { padding: 40px 20px; }
    .exhibition-title { font-size: 26px; }
    .exhibition-line { width: 36px; }
    .exhibition-hero-img { width: 100%; max-width: 500px; }
}

@media(max-width:900px){.exhibition-section{padding:50px 0}.exhibition-title{font-size:26px}.exhibition-img-wrap{padding:0 16px}.exhibition-hero-img{max-height:400px}}
@media(max-width:620px){.exhibition-section{padding:40px 0}.exhibition-title{font-size:22px}.exhibition-hero-img{max-height:320px;border-radius:8px}}
@media(max-width:620px){.exhibition-section{padding:40px 0}.exhibition-title{font-size:22px}.exhibition-hero-img{max-height:320px;border-radius:8px}}
@media(max-width:900px){.exhibition-section{padding:60px 0}.exhibition-grid{grid-template-columns:1fr;grid-template-rows:auto}.exhibition-grid__large{grid-row:auto}.exhibition-grid__large img{min-height:320px}.exhibition-grid__stack{flex-direction:row}.exhibition-grid__item img{min-height:180px}.exhibition-title{font-size:32px}}
@media(max-width:620px){.exhibition-section{padding:44px 0}.exhibition-header{gap:16px;margin-bottom:36px}.exhibition-line{width:40px}.exhibition-title{font-size:26px}}

/* ============================================
   Products Page - Reference: Stone Coated Roof
   ============================================ */

/* Section heading (shared) */
.ps-section-heading {
  text-align: center;
  margin-bottom: 48px;
}
.ps-section-heading h2 {
  font-size: clamp(26px, 2.8vw, 36px);
  font-weight: 800;
  color: #111827;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.ps-section-heading h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--red, #e52b24);
  margin: 12px auto 0;
  border-radius: 2px;
}
.ps-heading-sub {
  font-size: 16px;
  color: #6b7280;
  margin-top: 8px;
}

/* ===== Section 1: Product Series ===== */
.ps-series-section {
  padding: 80px 0;
  background: #fff;
}
.ps-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ps-product-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  border: 1px solid #e5e7eb;
  transition: box-shadow 0.2s, transform 0.2s;
}
.ps-product-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  transform: translateY(-4px);
}
.ps-card-image {
  display: block;
  aspect-ratio: 1/1;
  background: #f3f4f6;
  overflow: hidden;
}
.ps-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  display: block;
}
.ps-card-body {
  padding: 12px 14px 16px;
  text-align: center;
}
.ps-card-body h3 {
  font-size: 13px;
  font-weight: 600;
  color: #1f2937;
  line-height: 1.4;
  margin: 0;
}
.ps-card-body h3 a { color: inherit; text-decoration: none; }

/* ===== Section 2: Why Choose ===== */
.ps-why-section {
  padding: 80px 0;
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
}
.ps-why-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.ps-why-title {
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 800;
  color: #111827;
  margin-bottom: 20px;
  line-height: 1.2;
}
.ps-why-content {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 28px;
}
.ps-why-btn {
  display: inline-block;
  padding: 12px 32px;
  background: var(--red, #e52b24);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s;
}
.ps-why-btn:hover { background: #c41f1a; color: #fff; }
.ps-why-right img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* ===== Section 3: Benefits ===== */
.ps-benefits-section {
  padding: 80px 0;
  background: #fff;
}
.ps-benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ps-benefit-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow 0.2s;
}
.ps-benefit-card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.ps-benefit-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}
.ps-benefit-icon svg {
  width: 56px;
  height: 56px;
}
.ps-benefit-title {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 8px;
}
.ps-benefit-desc {
  font-size: 13px;
  color: #6b7280;
  line-height: 1.6;
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .ps-product-grid { grid-template-columns: repeat(3, 1fr); }
  .ps-why-inner { grid-template-columns: 1fr; gap: 32px; }
  .ps-benefits-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .ps-product-grid { grid-template-columns: repeat(2, 1fr); }
  .ps-benefits-grid { grid-template-columns: 1fr 1fr; }
}


/* ===== PRODUCTS LIST LAYOUT (Left Nav + Right List) ===== */
.ps-list-section {
  padding: 60px 0;
  background: #f8f8f8;
}
.ps-list-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}

/* 左侧导航 */
.ps-sidebar {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  overflow: hidden;
  position: sticky;
  top: 100px;
}
.ps-sidebar-header {
  background: var(--red);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 16px 20px;
  text-align: center;
  letter-spacing: 1px;
}
.ps-sidebar-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ps-sidebar-menu li {
  border-bottom: 1px solid #f0f0f0;
}
.ps-sidebar-menu li:last-child {
  border-bottom: 0;
}
.ps-sidebar-menu a {
  display: block;
  padding: 14px 20px;
  font-size: 14px;
  color: #333;
  transition: .2s;
}
.ps-sidebar-menu a:hover {
  background: #f5f5f5;
  color: var(--red);
  padding-left: 24px;
}

/* 右侧产品列表 */
.ps-list-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.ps-list-item {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 28px;
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
  transition: .25s;
}
.ps-list-item:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,.1);
  transform: translateY(-2px);
}
.ps-list-image {
  display: block;
  border-radius: 6px;
  overflow: hidden;
  background: #f5f5f5;
  aspect-ratio: 4/3;
}
.ps-list-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: .3s;
}
.ps-list-item:hover .ps-list-image img {
  transform: scale(1.03);
}
.ps-list-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ps-list-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 12px;
}
.ps-list-title a {
  color: #1a1a1a;
  transition: .2s;
}
.ps-list-title a:hover {
  color: var(--red);
}
.ps-list-desc {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
  margin: 0 0 16px;
}
.ps-list-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.ps-list-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background: #f0f4ff;
  color: #2563eb;
  font-size: 12px;
  border-radius: 4px;
  font-weight: 500;
}
.ps-list-more {
  display: inline-flex;
  align-items: center;
  color: var(--red);
  font-size: 14px;
  font-weight: 600;
  transition: .2s;
}
.ps-list-more:hover {
  color: var(--red-dark);
  padding-left: 4px;
}

/* Responsive */
@media (max-width: 960px) {
  .ps-list-inner {
    grid-template-columns: 1fr;
  }
  .ps-sidebar {
    position: static;
    margin-bottom: 20px;
  }
  .ps-list-item {
    grid-template-columns: 1fr;
  }
  .ps-list-image {
    aspect-ratio: 16/9;
  }
}
@media (max-width: 620px) {
  .ps-list-item {
    padding: 16px;
  }
  .ps-list-title {
    font-size: 17px;
  }
  .ps-list-desc {
    font-size: 13px;
  }
}


/* Application Detail Page */
.app-detail-section{padding:50px 0}
.app-detail-back{display:inline-block;margin-bottom:24px;color:#333;font-weight:600;text-decoration:none}
.app-detail-back:hover{color:var(--red)}
.app-detail-hero{width:100%;border-radius:12px;overflow:hidden;margin-bottom:30px}
.app-detail-hero img{width:100%;display:block;object-fit:cover;max-height:560px}
.app-detail-info{max-width:900px;margin:0 auto 44px}
.app-detail-info small{color:var(--red);font-weight:700;letter-spacing:1.2px;text-transform:uppercase;font-size:12px}
.app-detail-info h1{font-size:34px;margin:10px 0 16px;font-weight:800}
.app-detail-desc{font-size:16px;line-height:1.8;color:#555;white-space:pre-line;margin:0}
.inquiry-box{max-width:820px;margin:0 auto;background:#f7f8fa;border:1px solid #e6e8ec;border-radius:12px;padding:36px}
.inquiry-box h2{font-size:24px;margin:0 0 6px}
.inquiry-sub{color:#888;margin:0 0 22px}
.inquiry-form .frow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.inquiry-form label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}
.inquiry-form input,.inquiry-form textarea{width:100%;padding:11px 14px;border:1px solid #d4d7dd;border-radius:6px;font-size:14px;background:#fff;box-sizing:border-box}
.inquiry-form textarea{min-height:120px}
.inquiry-form .frow-full{grid-column:1/-1}
.inquiry-form .btn{border:none;cursor:pointer}
.inquiry-ok{background:#e8f7ee;color:#1a7f37;padding:12px 16px;border-radius:6px;margin-bottom:18px}
.inquiry-err{background:#fdecec;color:#c0392b;padding:12px 16px;border-radius:6px;margin-bottom:18px}
@media(max-width:700px){.inquiry-form .frow{grid-template-columns:1fr}}
/* ================================================
   Product Detail Page Styles
   ================================================ */
.pd-section {padding:60px 0 80px}
.pd-breadcrumb {font-size:14px;color:#666;margin-bottom:30px}
.pd-breadcrumb a {color:#e52b24;text-decoration:none}
.pd-breadcrumb a:hover {text-decoration:underline}

.pd-main {display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start;margin-bottom:50px}

.pd-image-wrap {position:sticky;top:90px}
.pd-product-img {width:100%;max-height:500px;height:auto;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.1);object-fit:contain;background:#f8f8f8;padding:20px}

.pd-info {}
.pd-kicker {font-size:13px;font-weight:600;color:#e52b24;text-transform:uppercase;letter-spacing:1px;margin-bottom:10px}
.pd-name {font-size:28px;font-weight:700;color:#1a1a1a;margin:0 0 20px;line-height:1.3}
.pd-desc {color:#444;font-size:15px;line-height:1.7;margin-bottom:24px}
.pd-desc p {margin:0 0 12px}

.pd-tags {display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.pd-tag {background:#eef4ff;color:#2563eb;border:1px solid #c7d9fa;border-radius:20px;padding:4px 14px;font-size:13px;font-weight:500}

.pd-cta {display:flex;gap:14px;flex-wrap:wrap}
.btn-red {background:#e52b24;color:#fff;border:none;border-radius:6px;padding:12px 28px;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;transition:background .2s}
.btn-red:hover {background:#c0241c}
.btn-outline {border:2px solid #e52b24;color:#e52b24;border-radius:6px;padding:11px 28px;font-size:15px;font-weight:600;text-decoration:none;transition:all .2s}
.btn-outline:hover {background:#e52b24;color:#fff}

/* Specifications */
.pd-specs-wrap {margin-bottom:60px}
.pd-specs-title {font-size:20px;font-weight:700;color:#1a1a1a;margin:0 0 20px;padding-bottom:12px;border-bottom:2px solid #e52b24}
.pd-specs-table {width:100%;border-collapse:collapse;font-size:14px}
.pd-specs-table tr:nth-child(even) {background:#f8f8f8}
.pd-specs-table th {text-align:left;padding:10px 16px;color:#555;font-weight:600;width:35%}
.pd-specs-table td {padding:10px 16px;color:#222}

/* Other products */
.pd-other {border-top:1px solid #eee;padding-top:50px}
.pd-other-title {font-size:20px;font-weight:700;color:#1a1a1a;margin:0 0 24px}
.pd-other-grid {display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.pd-other-card {display:flex;flex-direction:column;align-items:center;gap:10px;padding:16px;border:1px solid #eee;border-radius:10px;text-decoration:none;color:#333;transition:all .25s;background:#fff}
.pd-other-card:hover {border-color:#e52b24;transform:translateY(-4px);box-shadow:0 6px 20px rgba(0,0,0,.1)}
.pd-other-card img {width:100%;max-height:120px;object-fit:contain}
.pd-other-card span {font-size:13px;text-align:center;line-height:1.4;color:#333}

@media(max-width:900px) {
  .pd-main {grid-template-columns:1fr;gap:30px}
  .pd-image-wrap {position:static}
}
@media(max-width:600px) {
  .pd-section {padding:40px 0 60px}
  .pd-name {font-size:22px}
  .pd-other-grid {grid-template-columns:repeat(2,1fr)}
}


body.page-id-7 .eyebrow{display:none}
/* Global Network section */
.global-network { padding: 70px 0 90px; }
.global-network__desc { max-width: 800px; margin: 0 auto 36px; text-align: center; color: #4b5563; line-height: 1.7; }
.global-network__map { width: 100vw; margin-left: calc(50% - 50vw); border-radius: 0; overflow: hidden; background: #f5f5f5; }
.global-network__map img { width: 100%; height: auto; max-height: 760px; object-fit: cover; display: block; }
.global-network__actions { display: flex; justify-content: center; gap: 18px; margin-top: 42px; flex-wrap: wrap; }
.global-network__actions .btn { min-width: 160px; padding: 14px 32px; text-align: center; border-radius: 3px; font-weight: 600; font-size: 13px; letter-spacing: .5px; text-transform: uppercase; transition: .2s; }
.global-network__actions .btn--outline { border: 1px solid #d1d5db; background: #fff; color: #111827; }
.global-network__actions .btn--outline:hover { border-color: #9ca3af; background: #f9fafb; }
.global-network__actions .btn--red { background: var(--red); color: #fff; border: 1px solid var(--red); }
.global-network__actions .btn--red:hover { background: #c41e1a; border-color: #c41e1a; }
@media(max-width:768px){ .global-network { padding: 50px 0 60px; } .global-network__actions { gap: 12px; } .global-network__actions .btn { width: 100%; max-width: 300px; } }

/* Global Distributors */
.distributors-section{background:#fafafa}
.distributors-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:36px 14px;margin-top:44px}
.distributor-item{text-align:center}
.distributor-img{display:flex;align-items:center;justify-content:center;margin-bottom:14px;min-height:260px}
.distributor-img img{max-width:100%;max-height:260px;object-fit:contain}
.distributor-name{font-size:16px;font-weight:700;margin:0;letter-spacing:.3px}
@media(max-width:1100px){.distributors-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:992px){.distributors-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.distributors-grid{grid-template-columns:1fr}}


/* News Detail */
.nd-wrap{max-width:960px}
.nd-hero-img{margin-bottom:34px;text-align:center}
.nd-hero-img img{max-width:100%;max-height:480px;width:auto;height:auto;display:block;margin:0 auto;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
.nd-body .red-line{margin:0 0 26px}
.nd-content{font-size:16px;line-height:1.9;color:#333;margin-bottom:34px}
.nd-content h3{margin:26px 0 10px;font-size:20px;color:var(--ink)}
.nd-content p{margin:0 0 16px}
.nd-content strong{color:var(--ink)}
.nd-content ul,.nd-content ol{margin:0 0 16px;padding-left:22px}
.guide-img-link{display:block}
.guide-img-link .guide-img{transition:transform .4s}
.guide-card:hover .guide-img-link .guide-img{transform:scale(1.03)}


/* === Distributor: Why Partner With Ruihong === */
.pb-section{background:#f7f8fa;padding:96px 0}
.pb-section .section-subtitle{max-width:640px;margin-bottom:0}
.pb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:64px}
.pb-card{background:#fff;border:1px solid #e8eaee;border-radius:10px;padding:40px 34px;display:flex;flex-direction:column;align-items:flex-start;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
.pb-card:hover{transform:translateY(-5px);border-color:#d5d9e0;box-shadow:0 10px 28px rgba(20,24,40,.07)}
.pb-icon{width:52px;height:52px;border-radius:10px;background:rgba(229,43,36,.08);color:var(--red);display:flex;align-items:center;justify-content:center;margin-bottom:26px;flex:none}
.pb-icon svg{width:26px;height:26px}
.pb-title{font-size:19px;font-weight:800;line-height:1.35;margin:0 0 12px;color:var(--ink)}
.pb-desc{font-size:14.5px;line-height:1.75;color:#6c6c6c;margin:0}
@media (max-width:1024px){
  .pb-grid{grid-template-columns:repeat(2,1fr);gap:22px;margin-top:48px}
  .pb-section{padding:80px 0}
}
@media (max-width:640px){
  .pb-grid{grid-template-columns:1fr;gap:18px;margin-top:40px}
  .pb-section{padding:64px 0}
  .pb-card{padding:30px 24px}
    }

.contact-form-img{align-self:stretch;display:flex;min-height:420px}
.contact-form-img img{width:100%;height:100%;object-fit:cover;border-radius:6px;display:block}


/* === Nav Dropdown === */
.desktop-nav{position:relative;z-index:60}
.nav-item{position:relative}
.dropdown{position:absolute;top:100%;left:0;min-width:220px;background:#fff;border:1px solid #eee;border-radius:8px;box-shadow:0 12px 32px rgba(20,24,40,.12);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s,transform .22s,visibility .22s;z-index:100}
.nav-item.has-dropdown:hover>.dropdown,.nav-item.has-dropdown:focus-within>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 20px;font-size:13.5px;font-weight:600;color:#333;text-decoration:none;white-space:nowrap;transition:background .15s,color .15s}
.dropdown a:hover{background:#f7f7f8;color:var(--red)}
/* 移动端隐藏下拉（保持简单） */
@media(max-width:992px){.dropdown{display:none}}
/* 平滑滚动 */
html{scroll-behavior:smooth}
/* 锚点偏移（避免固定头遮挡） */
section[id],div[id]{scroll-margin-top:96px}


/* =====================================================================
   MOBILE RESPONSIVE OVERRIDE LAYER  (appended, overrides earlier rules)
   Breakpoints: <=1024 tablet / <=768 phone / <=480 small phone
   ===================================================================== */

/* ---------- Global ---------- */
@media(max-width:768px){
  html{overflow-x:hidden}
  body{overflow-x:hidden;font-size:15px}
  .container{width:100%;max-width:100%;padding-left:16px;padding-right:16px}
  .section{padding:40px 0}
  .section-title{font-size:26px;line-height:1.3}
  .eyebrow{font-size:11px;letter-spacing:2px}
  .section-subtitle{font-size:14px;line-height:1.7;margin-bottom:28px}
  img{max-width:100%;height:auto}
  p{overflow-wrap:break-word;word-wrap:break-word}
  h1,h2,h3,h4{overflow-wrap:break-word}
}

/* ---------- Top Bar (hide non-essential on phone) ---------- */
@media(max-width:768px){
  .topbar{height:auto;padding:7px 0;font-size:11px}
  .topbar .container{display:flex;justify-content:space-between;gap:12px}
  .topbar-left span:nth-child(2),.topbar-left span:nth-child(3){display:none}
  .topbar-left,.topbar-right{gap:8px;min-width:0}
  .topbar-left a{display:block;max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar-right .topbar-search,.topbar-right .social-links{display:none}
  .topbar-right .lang-switch{font-size:12px;margin-right:0;white-space:nowrap}
}

/* ---------- Header / Nav ---------- */
@media(max-width:992px){
  .desktop-nav{display:none}
  .quick-btn{display:none}
  .mobile-toggle{display:block}
  .brand{transform:none !important}
  .brand img{height:34px;width:auto}
  .brand-word{font-size:16px}
  .header-inner{gap:10px;justify-content:space-between;padding-left:16px;padding-right:16px}
  .main-header{height:64px}
  .header-spacer{height:64px}
  .header-inner .brand{transform:none}
}
@media(max-width:480px){
  .brand img{height:28px}
  .brand-word{font-size:14px}
}

/* ---------- Mobile Drawer ---------- */
.mobile-drawer{width:min(340px,86vw);padding:60px 22px 40px;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer::after{content:"";position:fixed;bottom:0;right:0;width:min(340px,86vw);height:36px;background:linear-gradient(transparent,#fff);pointer-events:none;z-index:2}
.drawer-nav a{font-size:15px;padding:14px 0}
.drawer-group-title{font-size:13px;color:var(--red);font-weight:800;letter-spacing:1px;padding:18px 0 6px;border-bottom:none;text-transform:uppercase}
.drawer-sub a{font-size:14px;padding:11px 0;border-bottom:1px solid #f2f2f2;color:#444}
.drawer-close{top:10px;right:10px;width:44px;height:44px;font-size:26px;display:flex;align-items:center;justify-content:center}

/* ---------- Hero (phone: full-bleed image, product visible) ---------- */
@media(max-width:768px){
  .hero{height:clamp(230px,64vw,320px)}
  .hero-slide.active{display:block}
  .hero-bg{background-size:cover;background-position:center}
  .hero-copy{display:none}
  .hero-product{width:min(230px,58vw);right:2vw;left:auto;transform:none;bottom:4px;animation:none;opacity:.95}
  .hero-dots{bottom:16px}
}
@media(max-width:480px){
  .hero{height:clamp(220px,66vw,285px)}
  .hero-product{width:min(205px,56vw)}
}

/* ---------- Page Hero (banner) ---------- */
@media(max-width:768px){
  .page-hero{aspect-ratio:16/9;max-height:280px;background-position:left center}
  .page-hero,.page-hero[style]{background-position:left center !important}
}
@media(max-width:480px){
  .page-hero{aspect-ratio:4/3;max-height:220px}
}

/* ---------- Intro ---------- */
@media(max-width:768px){
  .intro{padding:40px 0 36px}
  .intro-heading .section-title{font-size:26px !important;line-height:1.3}
  .intro-body p{font-size:14.5px;line-height:1.75}
  .intro-action .btn{width:100%;max-width:320px}
}

/* ---------- Media Band (video + icons) ---------- */
@media(max-width:768px){
  .about-ruihong-grid{grid-template-columns:1fr !important;gap:24px}
  .about-ruihong-left{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:0;width:100%;max-width:100%;overflow:hidden}
  .about-ruihong-icon{gap:6px;min-width:0}
  .ar-icon-circle{width:64px;height:64px;min-width:64px}
  .ar-icon-circle svg{width:32px;height:32px}
  .ar-icon-label{font-size:10px;line-height:1.25;max-width:100%;word-break:break-word;overflow-wrap:break-word}
  .about-ruihong-right{padding:0}
  .ar-video-box video,.ar-video-box img{width:100%;height:auto;max-height:none}
  .ar-video{width:100%;height:auto;max-height:none}
}

/* ---------- Home Products (2 per row on phone) ---------- */
@media(max-width:768px){
  .home-products-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:26px;column-gap:12px}
  .hp-card-img{aspect-ratio:1/1;width:100%}
  .hp-card-img{padding:10px}
  .hp-card-img img{padding:0;object-fit:contain}
  .hp-card-body h3{font-size:13px;line-height:1.4;margin:8px 0 4px}
  .btn-check-detail{font-size:11px;min-height:44px;padding:10px 14px;display:inline-flex;align-items:center;justify-content:center}
}
@media(max-width:360px){
  .home-products-grid{grid-template-columns:repeat(2,1fr);column-gap:10px}
  .hp-card-body h3{font-size:12px}
}

/* ---------- Exhibition ---------- */
@media(max-width:768px){
  .exhibition-section{padding:36px 0}
  .exhibition-title{font-size:22px}
  .exhibition-img-wrap img{width:100%;height:auto;max-height:none;object-fit:cover}
}

/* ---------- Products Page ---------- */
@media(max-width:992px){
  .ps-list-inner{grid-template-columns:1fr;gap:24px}
  .ps-sidebar{position:static;display:block;padding:0;box-shadow:none;border:0;border-radius:0;overflow:hidden;max-width:100%}
  .ps-sidebar-header{width:100%;font-size:13px;padding:12px 4px 8px;text-align:left;background:transparent;color:var(--red);box-sizing:border-box}
  .ps-sidebar-menu{display:flex;flex-wrap:nowrap;gap:8px;padding:4px 4px 10px;margin:0;list-style:none;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;max-width:100%;box-sizing:border-box}
  .ps-sidebar-menu::-webkit-scrollbar{display:none}
  .ps-sidebar-menu li{flex:0 0 auto;width:auto;margin:0;border:0}
  .ps-sidebar-menu li:last-child{border:0}
  .ps-sidebar-menu a{display:block;padding:8px 14px;background:#f5f5f6;border-radius:20px;font-size:12.5px;white-space:nowrap;width:auto}
  .ps-sidebar-menu li.active a{background:var(--red);color:#fff}
}
@media(max-width:768px){
  .ps-list-item{flex-direction:column;align-items:flex-start;gap:14px}
  .ps-list-image{width:100%}
  .ps-list-image img{width:100%;height:auto;max-height:300px;object-fit:cover}
  .ps-list-content{padding:0 4px}
  .ps-list-title{font-size:18px}
  .ps-list-tags{flex-wrap:wrap;gap:6px}
  .ps-list-tag{font-size:11px;padding:5px 10px}
  .ps-why-inner{flex-direction:column;gap:24px}
  .ps-why-title{font-size:24px}
  .ps-benefits-grid{grid-template-columns:1fr;gap:16px}
  .ps-section-heading{margin-bottom:24px}
}

/* ---------- About Page ---------- */
@media(max-width:768px){
  .about-split{grid-template-columns:1fr;gap:28px}
  .about-img img{width:100%;height:auto;max-height:320px;object-fit:cover}
  .about-content .section-title{font-size:24px}
  .cert-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .cert-img{aspect-ratio:3/4;height:auto}
  .cert-img img{width:100%;height:100%;object-fit:cover}
  .cert-title{font-size:13px}
  .quote-grid{grid-template-columns:1fr;gap:28px}
  .quote-form input,.quote-form select,.quote-form textarea{width:100%;font-size:15px;padding:13px 14px}
  .quote-form .btn{width:100%;height:48px}
  .quote-copy h2{font-size:24px}
}

/* ---------- Applications ---------- */
@media(max-width:768px){
  .app-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .app-card{height:auto !important;aspect-ratio:4/5}
  .app-card img{width:100%;height:100%;object-fit:cover}
  .app-card .app-info h3{font-size:15px}
  .app-card .app-info small{font-size:10.5px}
  .app-card .app-info span{font-size:12px}
}
@media(max-width:480px){
  .app-grid{grid-template-columns:repeat(2,1fr);gap:10px}
}

/* ---------- Distributor ---------- */
@media(max-width:768px){
  .distributors-grid{grid-template-columns:repeat(3,1fr);gap:24px 10px;margin-top:32px}
  .distributor-img{min-height:120px}
  .distributor-img img{max-height:120px}
  .distributor-name{font-size:13px}
  .pb-grid{grid-template-columns:1fr;gap:16px;margin-top:36px}
  .pb-section{padding:56px 0}
  .pb-card{padding:28px 22px}
  .pb-title{font-size:17px}
  .pb-icon{width:46px;height:46px;margin-bottom:18px}
  .about-split .full-form{grid-template-columns:1fr}
}
@media(max-width:480px){
  .distributors-grid{grid-template-columns:repeat(2,1fr)}
}

/* ---------- News ---------- */
@media(max-width:768px){
  .guide-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .guide-card .guide-img{width:100%}
  .guide-card .guide-img img{width:100%;height:auto;max-height:200px;object-fit:cover}
  .guide-body h3{font-size:14px;line-height:1.45}
  .detail-link{font-size:12px}
  .product-actions .btn{width:100%;max-width:320px;margin:0 auto}
}
@media(max-width:480px){
  .guide-grid{grid-template-columns:1fr;gap:20px}
}

/* ---------- Contact ---------- */
@media(max-width:768px){
  .contact-cards{grid-template-columns:1fr;gap:14px}
  .contact-card{padding:22px 18px}
  .contact-card h3{font-size:16px}
  .contact-form-img{min-height:0;max-height:300px;align-self:auto}
  .contact-form-img img{width:100%;height:100%;object-fit:cover}
  .full-form input,.full-form select,.full-form textarea{width:100%;font-size:15px;padding:13px 14px}
  .full-form .btn{width:100%;height:48px;font-size:15px}
  .full-form textarea{height:110px}
}
@media(max-width:480px){
  .contact-form-img{max-height:240px}
}

/* ---------- Stats ---------- */
@media(max-width:768px){
  .stats{grid-template-columns:repeat(2,1fr);gap:1px;margin-top:40px}
  .stat{padding:20px 10px}
  .stat strong{font-size:26px}
  .stat span{font-size:12px}
}

/* ---------- Why Choose (about/home) ---------- */
@media(max-width:768px){
  .why-grid{grid-template-columns:1fr;gap:28px}
  .why-visual img,.why-carousel img{width:100%;height:auto}
  .feature-list{grid-template-columns:1fr}
}

/* ---------- Quote / FAQ / Testimonials ---------- */
@media(max-width:768px){
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .testimonial-layout{grid-template-columns:1fr;gap:24px}
  .testimonial-title h2{font-size:24px}
}

/* ---------- Footer ---------- */
@media(max-width:768px){
  .footer{padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-brand p{font-size:13.5px;line-height:1.7}
  .newsletter{display:flex;max-width:100%}
  .newsletter input{flex:1;min-width:0;font-size:14px;padding:12px}
  .footer h4{font-size:15px;margin-bottom:10px}
  .footer-links a{font-size:13.5px;padding:7px 0}
  .contact-row{font-size:13.5px}
  .copyright .container{flex-direction:column;gap:8px;text-align:center;padding:14px 16px}
  .copyright-links{flex-wrap:wrap;justify-content:center}
  .newsletter button{width:48px;min-width:48px;min-height:44px}
}

/* ---------- Floating buttons / modals ---------- */
@media(max-width:768px){
  /* 底部浮动操作栏：横排 3 个按钮 + 返回顶部 */
  .float-stack{top:auto;bottom:0;right:0;left:0;width:100%;flex-direction:row;justify-content:center;gap:10px;padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.96);border-top:1px solid #eee;box-shadow:0 -2px 12px rgba(0,0,0,.06);z-index:120}
  .float-btn{width:auto;height:44px;flex:1;max-width:130px;display:flex;align-items:center;justify-content:center;gap:6px;font-size:13px;font-weight:700;border-radius:22px;background:#222;color:#fff}
  .float-btn.red{background:var(--red)}
  .float-btn span{position:static;opacity:1;visibility:visible;transform:none;background:transparent;color:inherit;font-size:13px;padding:0;border-radius:0;pointer-events:none}
  .back-top{bottom:auto;top:-44px;right:12px;width:38px;height:38px;font-size:15px;z-index:121}
  .modal-box{width:92vw;max-height:86vh;overflow-y:auto;border-radius:10px}
  .modal-box{display:flex;flex-direction:column}
  .modal-side{display:none}
  .modal-form{padding:22px 18px}
  .modal-form input,.modal-form textarea{width:100%;font-size:15px;padding:13px 14px}
  .modal-form .btn{width:100%;height:48px}
  /* 页面主体底部留白，防止被浮动栏遮挡 */
  body{padding-bottom:64px}
  .container{padding-right:16px}
}

/* ---------- News Detail ---------- */
@media(max-width:768px){
  .nd-wrap{flex-direction:column}
  .nd-hero-img{width:100%}
  .nd-hero-img img{width:100%;height:auto;max-height:280px;object-fit:cover}
  .nd-content{font-size:15px;line-height:1.8}
  .nd-content table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ---------- Product Detail ---------- */
@media(max-width:768px){
  .pd-main{flex-direction:column;gap:22px}
  .pd-image-wrap{width:100%}
  .pd-product-img{width:100% !important;max-height:320px;object-fit:contain}
  .pd-info{width:100% !important;padding:0}
  .pd-name{font-size:22px;line-height:1.35}
  .pd-kicker{font-size:11px}
  .pd-desc{font-size:14.5px;line-height:1.75}
  .pd-desc h1,.pd-desc h2,.pd-desc h3{font-size:18px}
  .pd-tags{flex-wrap:wrap;gap:8px}
  .pd-tag{font-size:12px;padding:7px 12px}
  .pd-cta{display:flex;flex-wrap:wrap;gap:10px}
  .pd-cta .btn-red,.pd-cta .btn-outline{flex:1 1 46%;min-width:140px;height:48px;font-size:13.5px;display:flex;align-items:center;justify-content:center}
  .pd-specs-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .pd-specs-table{min-width:420px;width:100%}
  .pd-other-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .pd-other-card img{width:100%;height:auto}
  .pd-other-title{font-size:18px}
  .pd-breadcrumb{font-size:12px;overflow-wrap:break-word}
}

/* ---------- App Detail ---------- */
@media(max-width:768px){
  .app-detail-hero img{width:100%;height:auto;max-height:260px;object-fit:cover}
  .inquiry-form .frow{flex-direction:column;gap:12px}
  .inquiry-form .frow>div{width:100%}
  .inquiry-form input,.inquiry-form textarea{width:100%;font-size:15px;padding:13px 14px}
  .inquiry-form .btn{width:100%;height:48px}
}

/* ---------- Tables (global safety) ---------- */
@media(max-width:768px){
  table{max-width:100%}
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
}

/* ---------- 320px minimum ---------- */
@media(max-width:340px){
  .container{padding-left:12px;padding-right:12px}
  .hp-card-body h3{font-size:11.5px}
  .app-card .app-info h3{font-size:13px}
  .ps-sidebar-menu a{font-size:11.5px;padding:7px 10px}
}

/* ---------- Mobile padding tune ---------- */
@media(max-width:768px){
  .ps-list-section{padding:28px 0 40px}
  .ps-list-item{padding:16px}
  .ps-list-item + .ps-list-item{margin-top:0}
  .ps-why-section,.ps-benefits-section{padding:44px 0}
  .section{padding:40px 0}
}

/* ---------- Detail pages: bottom padding for float bar ---------- */
@media(max-width:768px){
  .pd-section{padding-bottom:90px}
  .nd-wrap{padding-bottom:90px}
  .app-detail-section{padding-bottom:90px}
  .quote-section{padding-bottom:70px}
}

/* ---------- Phone toast ---------- */
.phone-toast{position:fixed;left:50%;bottom:110px;transform:translateX(-50%) translateY(12px);background:#222;color:#fff;padding:12px 24px;border-radius:30px;font-size:15px;font-weight:700;letter-spacing:.5px;z-index:999;opacity:0;visibility:hidden;transition:.25s;box-shadow:0 6px 20px rgba(0,0,0,.25);white-space:nowrap;pointer-events:none}
.phone-toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
@media(max-width:768px){
  .phone-toast{bottom:90px;font-size:16px;padding:14px 26px}
  #phoneBtn span{display:none}
}

.modal-form .btn{width:100%;height:50px;border-radius:6px;box-shadow:0 4px 14px rgba(229,43,36,.25);transition:all .25s}
.modal-form .btn:hover{box-shadow:0 6px 20px rgba(229,43,36,.38);transform:translateY(-1px)}
.inquiry-form .btn{width:100%;height:50px;border-radius:6px;box-shadow:0 4px 14px rgba(229,43,36,.25);transition:all .25s}
.inquiry-form .btn:hover{box-shadow:0 6px 20px rgba(229,43,36,.38);transform:translateY(-1px)}

/* ---------- Responsive banners: always show the complete artwork ---------- */
.hero-bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.page-hero{width:100%;height:auto;aspect-ratio:auto;background:#f4f4f4;overflow:hidden}
.page-hero-img{display:block;width:100%;height:auto;object-fit:contain}
.intro-toggle{display:none}

@media(max-width:768px){
  .hero{height:auto !important;min-height:0;background:#fff}
  .hero-slide{display:none;position:absolute;inset:auto;opacity:0;visibility:hidden}
  .hero-slide.active{display:block;position:relative;opacity:1;visibility:visible}
  .hero-bg-img{position:relative;inset:auto;width:100%;height:auto;object-fit:contain}
  .hero-overlay,.hero-product,.hero-arrows{display:none !important}
  .hero-dots{bottom:8px}
  .page-hero{height:auto !important;max-height:none !important;aspect-ratio:auto !important;background-image:none !important}
  .page-hero,.page-hero[style]{background-position:center !important;background-size:contain !important}
  .page-hero-img{width:100%;height:auto;max-height:none;object-fit:contain}

  .intro-heading .section-title{font-size:24px !important;line-height:1.28;margin-bottom:18px}
  .intro-collapsible{position:relative;max-height:7em;overflow:hidden;margin-bottom:12px;transition:max-height .35s ease}
  .intro-collapsible::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3.2em;background:linear-gradient(transparent,#fff);pointer-events:none}
  .intro-collapsible.expanded{max-height:80em}
  .intro-collapsible.expanded::after{display:none}
  .intro-toggle{display:inline-flex;align-items:center;justify-content:center;min-height:44px;margin:0 auto 18px;padding:8px 18px;border:1px solid #d8d8d8;border-radius:22px;background:#fff;color:#333;font-size:14px;font-weight:700;cursor:pointer}

  /* Product list artwork must remain fully visible on narrow screens. */
  .ps-list-image{width:100%;height:auto;aspect-ratio:auto;background:#fff;overflow:visible}
  .ps-list-image img{display:block;width:100%;height:auto;max-height:none;object-fit:contain;object-position:center;transform:none}
  .ps-list-item:hover .ps-list-image img{transform:none}
}

/* ---------- Contact page bottom padding ---------- */
@media(max-width:768px){
  #contact-form{padding-bottom:20px}
  #contact-info{margin-bottom:30px}
}

/* ---------- Mobile accessibility and spacing safeguards ---------- */
@media(max-width:768px){
  button,.btn,.mobile-toggle,.drawer-close,.drawer-nav a,.lang-switch a{min-height:44px}
  .lang-switch a{display:inline-flex;align-items:center;padding:0 9px}
  input,select,textarea{font-size:16px !important}
  .section + .section{margin-top:0}
  .product-actions{gap:12px;flex-wrap:wrap}
  .ar-video-box{aspect-ratio:16/9;background:#111}
  .ar-video-box video,.ar-video-box img{width:100%;height:100%;object-fit:cover}
}