*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #F4811F; --primary-dark: #D66D15;
    --dark: #1A1A2E; --dark-2: #16213E;
    --text: #282828; --text-light: #666; --white: #FFF;
    --gray-bg: #F5F7FA; --gray-border: #E0E4EA;
    --shadow: 0 4px 24px rgba(0,0,0,.08); --shadow-lg: 0 12px 48px rgba(0,0,0,.12);
    --radius: 8px; --transition: all .3s ease;
}
html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var(--text); line-height: 1.7; background: var(--white); overflow-x: hidden; max-width: 100vw; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; overflow: hidden; }
.header-inner { display: flex; align-items: stretch; height: 72px; }
.header-left { display: flex; align-items: center; background: var(--white); padding: 0 24px; flex-shrink: 0; position: relative; z-index: 2; }
.header-left::after { content: ''; position: absolute; top: 0; right: -20px; width: 28px; height: 100%; background: var(--white); transform: skewX(-15deg); transform-origin: top left; }
.header-right { display: flex; align-items: center; justify-content: center; gap: 28px; background: #F4811F; flex: 1; padding: 0 32px; min-width: 0; position: relative; z-index: 1; padding-left: 40px; }
.logo { display: flex; align-items: center; min-width: 0; }
.logo-img { height: 38px; width: auto; display: block; object-fit: contain; }
.nav { display: flex; align-items: center; gap: 28px; flex-shrink: 0; }
.nav a { font-size: 15px; font-weight: 500; position: relative; padding: 4px 0; color: rgba(255,255,255,.85); white-space: nowrap; }
.nav a::after { content: ''; position: absolute; bottom: -2px; left: 50%; width: 0; height: 2px; background: #fff; transition: var(--transition); transform: translateX(-50%); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a:hover, .nav a.active { color: #fff; }
.lang-switch { display: flex; background: rgba(255,255,255,.15); border-radius: 20px; padding: 3px; flex-shrink: 0; }
.lang-btn { padding: 5px 12px; border-radius: 16px; font-size: 13px; font-weight: 600; border: none; background: transparent; color: rgba(255,255,255,.8); cursor: pointer; white-space: nowrap; transition: var(--transition); }
.lang-btn.active { background: var(--white); color: var(--dark); box-shadow: 0 1px 4px rgba(0,0,0,.1); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition); border: none; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,129,31,.3); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.3); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.05); }
.btn-sm { padding: 10px 22px; font-size: 14px; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, #0F3460 100%); padding-top: 72px; }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 800px; height: 800px; background: radial-gradient(circle, rgba(244,129,31,.15) 0%, transparent 70%); border-radius: 50%; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero h1 { font-size: 46px; font-weight: 800; color: var(--white); line-height: 1.2; margin-bottom: 20px; }
.hero h1 .hl { color: var(--primary); position: relative; }
.hero h1 .hl::after { content: ''; position: absolute; bottom: 2px; left: 0; width: 100%; height: 4px; background: var(--primary); opacity: .3; border-radius: 2px; }
.hero > .container > .hero-grid > div:first-child p { font-size: 17px; color: rgba(255,255,255,.7); margin-bottom: 12px; line-height: 1.8; }
.badges { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.badge { display: flex; align-items: center; gap: 8px; padding: 10px 18px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 30px; color: rgba(255,255,255,.85); font-size: 14px; font-weight: 500; }
.hero-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.hero-card { background: rgba(255,255,255,.06); backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,.1); border-radius: 20px; padding: 24px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 16px 12px; text-align: center; }
.stat-num { font-size: 30px; font-weight: 800; color: var(--white); line-height: 1; }
.stat-num em { font-style: normal; font-size: 16px; color: var(--primary); }
.stat-label { font-size: 13px; color: rgba(255,255,255,.55); font-weight: 500; margin-top: 6px; }

/* Sections */
.section { padding: 100px 0; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.sec-tag { display: inline-block; padding: 6px 16px; background: rgba(244,129,31,.1); color: var(--primary); border-radius: 20px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.sec-head h2 { font-size: 34px; font-weight: 700; color: var(--dark); margin-bottom: 14px; line-height: 1.3; }
.sec-head p { font-size: 16px; color: var(--text-light); line-height: 1.8; }

/* About */
.about { background: var(--gray-bg); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-img { position: relative; border-radius: 16px; overflow: hidden; aspect-ratio: 4/3; background: linear-gradient(135deg, var(--dark-2), var(--dark)); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.25); font-size: 14px; text-align: center; }
.about-badge { position: absolute; bottom: 20px; right: 20px; background: var(--primary); color: white; padding: 12px 20px; border-radius: 10px; font-size: 13px; font-weight: 600; }
.about-text h3 { font-size: 26px; font-weight: 700; color: var(--dark); margin-bottom: 18px; }
.about-text p { font-size: 15px; color: var(--text-light); margin-bottom: 12px; line-height: 1.8; }
.feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.feat { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--white); border-radius: 10px; border: 1px solid var(--gray-border); }
.feat-icon { width: 36px; height: 36px; border-radius: 8px; background: rgba(244,129,31,.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--primary); }
.feat span { font-size: 14px; font-weight: 600; color: var(--dark); }

/* Services */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc { background: var(--white); border: 1px solid var(--gray-border); border-radius: 16px; padding: 32px; transition: var(--transition); position: relative; overflow: hidden; }
.svc::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--primary); transform: scaleX(0); transition: var(--transition); }
.svc:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc:hover::before { transform: scaleX(1); }
.svc-icon { width: 52px; height: 52px; border-radius: 12px; background: linear-gradient(135deg, rgba(244,129,31,.12), rgba(244,129,31,.03)); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--primary); }
.svc h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.svc p { font-size: 14px; color: var(--text-light); line-height: 1.8; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.tag { padding: 4px 12px; background: var(--gray-bg); border-radius: 12px; font-size: 12px; color: var(--text-light); font-weight: 500; }

/* Processes */
.procs { background: var(--dark); color: var(--white); }
.procs .sec-tag { background: rgba(244,129,31,.2); }
.procs .sec-head h2 { color: var(--white); }
.procs .sec-head p { color: rgba(255,255,255,.55); }
.proc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.proc { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 28px; transition: var(--transition); }
.proc:hover { background: rgba(255,255,255,.08); border-color: rgba(244,129,31,.35); }
.proc-num { font-size: 44px; font-weight: 800; color: rgba(255,255,255,.07); line-height: 1; margin-bottom: 14px; }
.proc h3 { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.proc p { font-size: 14px; color: rgba(255,255,255,.5); line-height: 1.7; }

/* Workflow */
.wf { background: var(--gray-bg); overflow-x: hidden; }
.wf-steps { display: flex; justify-content: center; gap: 28px; position: relative; padding: 0; }
.wf-steps::before { content: ''; position: absolute; top: 30px; left: 80px; right: 80px; height: 2px; background: linear-gradient(to right, var(--gray-border), var(--primary), var(--gray-border)); z-index: 0; }
.wf-step { display: flex; flex-direction: column; align-items: center; text-align: center; width: 200px; flex-shrink: 1; min-width: 0; position: relative; z-index: 1; }
.wf-icon { width: 60px; height: 60px; min-width: 60px; min-height: 60px; border-radius: 50%; background: var(--white); border: 3px solid var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--primary); font-size: 20px; box-shadow: 0 4px 16px rgba(244,129,31,.15); transition: var(--transition); flex-shrink: 0; }
.wf-step:hover .wf-icon { background: var(--primary); color: var(--white); }
.wf-step h4 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 10px; line-height: 1.3; white-space: nowrap; }
.wf-step p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* RFQ */
.rfq { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); }
.rfq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.rfq h2 { font-size: 34px; font-weight: 700; margin-bottom: 16px; line-height: 1.3; }
.rfq > .container > .rfq-grid > div:first-child p { font-size: 16px; color: rgba(255,255,255,.8); margin-bottom: 24px; line-height: 1.8; }
.rfq-list { display: flex; flex-direction: column; gap: 10px; }
.rfq-list li { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.rfq-chk { width: 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.rfq-form { background: rgba(255,255,255,.1); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,.15); border-radius: 16px; padding: 36px; }
.rfq-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; }
.fg { margin-bottom: 14px; }
.fg label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; color: rgba(255,255,255,.8); }
.fi { width: 100%; padding: 11px 14px; border: 1px solid rgba(255,255,255,.2); border-radius: 8px; background: rgba(255,255,255,.08); color: var(--white); font-size: 14px; outline: none; transition: var(--transition); font-family: inherit; }
.fi:focus { border-color: var(--white); background: rgba(255,255,255,.12); }
.fi::placeholder { color: rgba(255,255,255,.35); }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
textarea.fi { min-height: 80px; resize: vertical; }
.fbtn { width: 100%; padding: 13px; background: var(--white); color: var(--primary); border: none; border-radius: 8px; font-size: 15px; font-weight: 700; cursor: pointer; transition: var(--transition); margin-top: 6px; }
.fbtn:hover { background: var(--gray-bg); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }

/* News */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news { background: var(--white); border: 1px solid var(--gray-border); border-radius: 14px; overflow: hidden; transition: var(--transition); }
.news:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-img { height: 190px; background: linear-gradient(135deg, var(--gray-bg), #E8ECF1); display: flex; align-items: center; justify-content: center; color: var(--text-light); font-size: 13px; }
.news-body { padding: 22px; }
.news-date { font-size: 12px; color: var(--text-light); margin-bottom: 8px; }
.news h3 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 8px; line-height: 1.5; }
.news p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.news a.read { display: inline-flex; align-items: center; gap: 4px; margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--primary); }
.news a.read:hover { gap: 8px; }

/* Contact */
.contact { background: var(--gray-bg); }
.ct-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.ct-info h3 { font-size: 22px; font-weight: 700; margin-bottom: 14px; }
.ct-info > p { font-size: 15px; color: var(--text-light); line-height: 1.8; margin-bottom: 28px; }
.ct-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 22px; }
.ct-ico { width: 44px; height: 44px; border-radius: 10px; background: rgba(244,129,31,.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--primary); }
.ct-item h4 { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.ct-item p { font-size: 14px; color: var(--text-light); }
.ct-map { border-radius: 16px; overflow: hidden; min-height: 380px; background: linear-gradient(135deg, var(--dark-2), var(--dark)); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.25); font-size: 14px; border: 1px solid var(--gray-border); }

/* Footer */
.footer { background: var(--dark); color: rgba(255,255,255,.6); padding: 60px 0 28px; }
.ft-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
.ft-brand .ft-logo-img { height: 44px; width: auto; display: block; object-fit: contain; margin-bottom: 14px; opacity: 0.9; }
.ft-brand > p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.45); margin-bottom: 18px; }
.ft-social { display: flex; gap: 10px; }
.ft-soc { width: 34px; height: 34px; border-radius: 8px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; }
.ft-soc:hover { background: var(--primary); border-color: var(--primary); }
.ft-col h4 { color: var(--white); font-size: 14px; font-weight: 700; margin-bottom: 18px; }
.ft-col a { display: block; font-size: 13px; color: rgba(255,255,255,.45); padding: 3px 0; }
.ft-col a:hover { color: var(--white); }
.ft-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; font-size: 13px; color: rgba(255,255,255,.3); }

/* Hero decorative images */
.hero-zs1 { position: absolute; top: 0; right: 0; width: 55%; max-width: 700px; height: 100%; object-fit: cover; opacity: .10; pointer-events: none; z-index: 0; }
.hero-zs2 { position: absolute; bottom: -60px; left: -80px; width: 380px; opacity: .06; pointer-events: none; z-index: 0; }
.hero-pro-img { width: 100%; max-height: 340px; object-fit: contain; border-radius: 16px; display: block; position: relative; z-index: 2; }
.hero-img-wrap { position: relative; }
.hero-img-wrap .hero-card { position: relative; z-index: 3; margin-top: -24px; }

/* Scroll indicator */
.scroll-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 10; display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,.4); font-size: 12px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; animation: scroll-bounce 2s ease-in-out infinite; }
.scroll-indicator img { width: 28px; opacity: .5; filter: invert(1); }
@keyframes scroll-bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* About real images */
.about-img-real { position: relative; border-radius: 16px; overflow: hidden; }
.about-img-real img.main-img { width: 100%; height: 320px; object-fit: cover; border-radius: 16px; display: block; }
.about-img-real img.sub-img { position: absolute; bottom: -18px; right: -18px; width: 44%; border-radius: 12px; border: 4px solid white; box-shadow: 0 8px 28px rgba(0,0,0,.18); }

/* Number counter */
.stat-num .num-val { display: inline; }

/* AOS custom overrides */
[data-aos] { pointer-events: auto !important; }

/* ============ 产品列表页 ============ */
.page-banner { padding: 140px 0 60px; background: linear-gradient(135deg, var(--gray-bg) 0%, #fff 100%); position: relative; overflow: hidden; }
.page-banner::before { content: ''; position: absolute; top: -50%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(244,129,31,.08) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.page-banner-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.page-banner h1 { font-size: 38px; font-weight: 800; color: var(--dark); margin-bottom: 16px; line-height: 1.2; }
.page-banner p { font-size: 16px; color: var(--text-light); line-height: 1.8; }
.page-banner-img { display: flex; align-items: center; justify-content: center; }
.page-banner-img img { max-height: 320px; width: auto; object-fit: contain; filter: drop-shadow(0 20px 40px rgba(0,0,0,.12)); }

.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-light); margin-bottom: 20px; }
.breadcrumb a { color: var(--primary); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--gray-border); }

/* 产品卡片 - 列表布局 */
.product-list { padding: 60px 0 100px; }
.product-card { display: grid; grid-template-columns: 240px 1fr; gap: 32px; padding: 32px; background: var(--white); border: 1px solid var(--gray-border); border-radius: 16px; margin-bottom: 24px; transition: var(--transition); }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-card-img { width: 240px; height: 240px; border-radius: 12px; overflow: hidden; background: var(--gray-bg); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card-body { display: flex; flex-direction: column; justify-content: center; }
.product-card-body h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.product-card-body p { font-size: 15px; color: var(--text-light); line-height: 1.8; margin-bottom: 20px; }
.product-card-body .btn-link { display: inline-flex; align-items: center; gap: 6px; padding: 10px 24px; background: var(--primary); color: var(--white); border-radius: 8px; font-size: 14px; font-weight: 600; width: fit-content; transition: var(--transition); }
.product-card-body .btn-link:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,129,31,.25); }

/* 分页 */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 48px; }
.pagination a, .pagination span { display: flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; border-radius: 8px; font-size: 14px; font-weight: 600; transition: var(--transition); }
.pagination a { color: var(--text-light); background: var(--white); border: 1px solid var(--gray-border); }
.pagination a:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.pagination span { background: var(--primary); color: var(--white); }
.pagination .prev, .pagination .next { padding: 0 16px; }

/* ============ 产品详情页 ============ */
.product-detail { padding: 120px 0 80px; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: flex-start; }

/* 左侧图库 */
.gallery-main { border-radius: 16px; overflow: hidden; background: var(--gray-bg); margin-bottom: 16px; aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 12px; }
.gallery-thumbs img { width: 80px; height: 80px; border-radius: 8px; object-fit: cover; cursor: pointer; border: 2px solid transparent; transition: var(--transition); }
.gallery-thumbs img:hover, .gallery-thumbs img.active { border-color: var(--primary); }

/* 右侧信息 */
.product-info h1 { font-size: 32px; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.product-info .product-desc { font-size: 15px; color: var(--text-light); line-height: 1.8; margin-bottom: 24px; }
.product-specs { margin-bottom: 28px; }
.product-specs li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: var(--text); margin-bottom: 10px; padding-left: 4px; }
.product-specs li::before { content: '●'; color: var(--primary); font-size: 8px; margin-top: 4px; }
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.product-actions .btn-share { display: inline-flex; align-items: center; gap: 6px; padding: 12px 24px; background: var(--white); color: var(--primary); border: 2px solid var(--primary); border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.product-actions .btn-share:hover { background: var(--primary); color: var(--white); }

/* 产品详情内容区 */
.product-content { padding: 60px 0 80px; background: var(--gray-bg); }
.product-content-title { text-align: center; margin-bottom: 48px; }
.product-content-title h2 { font-size: 28px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.product-content-title p { font-size: 15px; color: var(--text-light); }
.product-text { max-width: 800px; margin: 0 auto 48px; font-size: 15px; color: var(--text); line-height: 1.9; }
.product-text p { margin-bottom: 16px; }
.product-images { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 24px; }
.product-images img { width: 100%; border-radius: 12px; object-fit: cover; }
.product-images.full { grid-template-columns: 1fr; }
.product-images.full img { max-height: 480px; }

/* ===== Responsive ===== */
@media(max-width:1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 36px; }
    .badges, .hero-actions { justify-content: center; }
    .about-grid, .rfq-grid, .ct-grid { grid-template-columns: 1fr; }
    .svc-grid { grid-template-columns: repeat(2, 1fr); }
    .proc-grid { grid-template-columns: repeat(2, 1fr); }
    .ft-grid { grid-template-columns: repeat(2, 1fr); }
    .header-right { gap: 14px; padding: 0 20px; }
    .nav { gap: 14px; }
    .nav a { font-size: 13px; }
    .lang-switch { padding: 2px; }
    .lang-btn { padding: 4px 10px; font-size: 11px; }
    .page-banner-inner { grid-template-columns: 1fr; text-align: center; }
    .page-banner-img { order: -1; }
    .product-card { grid-template-columns: 1fr; }
    .product-card-img { width: 100%; height: 200px; }
    .product-detail-grid { grid-template-columns: 1fr; }
}
@media(max-width:768px) {
    .header-left { padding: 0 16px; }
    .header-right { justify-content: flex-end; padding: 0 16px; }
    .logo-img { height: 32px; }
    .lang-btn { padding: 5px 12px; font-size: 12px; }
    .nav { display: none; }
    .hero { min-height: auto; padding-top: 72px; padding-bottom: 60px; }
    .section { min-height: auto; padding: 60px 0; justify-content: flex-start; }
    .hero h1 { font-size: 28px; }
    .badges { flex-direction: column; align-items: center; }
    .hero-actions { flex-direction: column; align-items: center; }
    .svc-grid, .proc-grid, .news-grid { grid-template-columns: 1fr; }
    .wf-steps { flex-direction: column; gap: 28px; align-items: flex-start; padding: 0; }
    .wf-steps::before { display: none; }
    .wf-step { flex-direction: row; text-align: left; max-width: 100%; width: 100%; gap: 18px; }
    .wf-icon { margin-bottom: 0; width: 60px; height: 60px; min-width: 60px; min-height: 60px; }
    .sec-head h2 { font-size: 26px; }
    .rfq h2 { font-size: 26px; }
    .ft-grid { grid-template-columns: 1fr; }
    .ft-bottom { flex-direction: column; gap: 6px; text-align: center; }
    .frow { grid-template-columns: 1fr; }
    .page-banner { padding: 120px 0 40px; }
    .page-banner h1 { font-size: 28px; }
    .product-images { grid-template-columns: 1fr; }
    .gallery-thumbs { flex-wrap: wrap; }
}
@media(max-width:480px) {
    .header-left { padding: 0 12px; }
    .header-right { padding: 0 12px; }
    .logo-img { height: 26px; }
    .lang-btn { padding: 4px 8px; font-size: 11px; }
    .hero h1 { font-size: 22px; }
    .sec-head h2 { font-size: 22px; }
    .rfq h2 { font-size: 22px; }
    .page-banner h1 { font-size: 24px; }
    .product-card { padding: 20px; }
    .product-info h1 { font-size: 24px; }
    .pagination a, .pagination span { min-width: 36px; height: 36px; font-size: 13px; }
}