:root{--navy-900: #08182b;--navy-800: #0b2238;--navy-700: #10304e;--navy-600: #154266;--blue-500: #1d6aa5;--blue-400: #3b8fd0;--accent: #e8862c;--accent-dark: #d1731e;--accent-soft: #fdf3e9;--ink: #17212c;--muted: #5b6b7c;--faint: #8a97a6;--line: #e6ebf1;--bg: #f5f7fa;--bg-soft: #eef2f7;--white: #ffffff;--fs-sm: .875rem;--fs-base: 1rem;--fs-md: 1.125rem;--fs-lg: 1.375rem;--fs-xl: clamp(1.75rem, 3.2vw, 2.5rem);--fs-2xl: clamp(2rem, 4.4vw, 3.25rem);--fs-hero: clamp(1.9rem, 4.6vw, 3.6rem);--container: 1200px;--radius: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(9, 24, 42, .08);--shadow: 0 10px 30px rgba(9, 24, 42, .1);--shadow-lg: 0 20px 50px rgba(9, 24, 42, .16);--header-h: 72px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:var(--fs-base);line-height:1.75;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}ul,ol{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}section{position:relative}.section{padding:88px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;font-size:var(--fs-base);font-weight:600;line-height:1.2;border-radius:6px;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark);box-shadow:0 8px 20px #e8862c59}.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}.btn-outline:hover{background:#ffffff1f;border-color:#fff}.btn-ghost{background:transparent;color:var(--blue-500);border:1.5px solid var(--blue-500)}.btn-ghost:hover{background:var(--blue-500);color:#fff}.topbar{background:var(--navy-900);color:#ffffffd1;font-size:.82rem}.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:38px}.topbar a:hover{color:#fff}.topbar-group{display:flex;align-items:center;gap:22px}.topbar-group span,.topbar-group a{display:inline-flex;align-items:center;gap:6px}.topbar svg{width:14px;height:14px;opacity:.85}.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue-500),var(--navy-700));color:#fff;font-weight:800;font-size:1.1rem;letter-spacing:1px;flex-shrink:0}.brand-text{display:flex;flex-direction:column;min-width:0}.brand-text .name{white-space:nowrap;font-size:1.06rem;font-weight:700;color:var(--navy-800);line-height:1.25}.brand-text .sub{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.72rem;color:var(--muted);letter-spacing:.4px}.main-nav{display:flex;align-items:center;height:100%;flex-shrink:0}.main-nav>li{position:relative;height:100%;display:flex;align-items:center}.main-nav>li>a{display:inline-flex;align-items:center;gap:4px;height:100%;padding:0 17px;font-size:.98rem;font-weight:500;white-space:nowrap;color:var(--ink);transition:color .16s ease}.main-nav>li>a:hover,.main-nav>li.active>a{color:var(--blue-500)}.main-nav>li.active>a:after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:var(--accent);border-radius:3px 3px 0 0}.main-nav .caret{width:10px;height:10px;transition:transform .2s ease}.main-nav li:hover .caret{transform:rotate(180deg)}.dropdown{position:absolute;top:100%;left:50%;transform:translate(-50%) translateY(8px);min-width:172px;background:#fff;border-radius:8px;box-shadow:var(--shadow);border:1px solid var(--line);padding:8px;opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s}.main-nav li:hover .dropdown{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.dropdown a{display:block;padding:9px 14px;font-size:.9rem;color:var(--ink);border-radius:6px}.dropdown a:hover{background:var(--bg-soft);color:var(--blue-500)}.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px}.nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{content:"";display:block;width:20px;height:2px;background:var(--navy-800);position:relative;transition:.25s}.nav-toggle span:before{position:absolute;top:-6px}.nav-toggle span:after{position:absolute;top:6px}body.menu-open .nav-toggle span{background:transparent}body.menu-open .nav-toggle span:before{top:0;transform:rotate(45deg)}body.menu-open .nav-toggle span:after{top:0;transform:rotate(-45deg)}.hero{position:relative;height:min(78vh,680px);min-height:460px;overflow:hidden;background:var(--navy-900)}.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}.hero-slide.active{opacity:1}.hero-slide img{width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,#08182beb,#0b2238b8 45%,#0b223840)}.hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff}.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:.86rem;letter-spacing:2px;color:var(--accent);font-weight:600;margin-bottom:18px}.hero-kicker:before{content:"";width:34px;height:2px;background:var(--accent)}.hero-title{font-size:var(--fs-hero);font-weight:800;line-height:1.22;letter-spacing:1px;max-width:20ch}.hero-title em{font-style:normal;color:var(--accent)}.hero-sub{margin-top:20px;font-size:var(--fs-md);color:#ffffffd9;max-width:44em}.hero-actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap}.hero-dots{position:absolute;z-index:3;bottom:28px;left:50%;transform:translate(-50%);display:flex;gap:10px}.hero-dots button{width:10px;height:10px;border-radius:50%;background:#fff6;transition:.25s}.hero-dots button.active{width:26px;border-radius:5px;background:var(--accent)}.stats-band{background:var(--navy-800);color:#fff;padding:46px 0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.stat{text-align:center;padding:8px 12px}.stat+.stat{border-left:1px solid rgba(255,255,255,.14)}.stat-value{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;color:var(--accent);line-height:1.1}.stat-value .unit{font-size:.9rem;font-weight:600;margin-left:3px}.stat-label{margin-top:8px;font-size:.9rem;color:#ffffffb8}.section-head{max-width:720px;margin:0 auto 52px;text-align:center}.section-head .eyebrow{display:inline-block;font-size:.82rem;letter-spacing:3px;color:var(--accent);font-weight:700;margin-bottom:10px}.section-head h2{font-size:var(--fs-xl);font-weight:800;color:var(--navy-800);line-height:1.3}.section-head p{margin-top:14px;color:var(--muted)}.section-head.left{margin:0 0 40px;text-align:left}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.product-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease}.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}.product-card .thumb{position:relative;aspect-ratio:4 / 3;overflow:hidden;background:var(--bg-soft)}.product-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.product-card:hover .thumb img{transform:scale(1.06)}.product-card .body{padding:15px 16px 18px}.product-card .name{font-size:.98rem;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.product-card .more{margin-top:6px;font-size:.82rem;color:var(--blue-500);display:inline-flex;align-items:center;gap:4px}.product-card .more svg{width:13px;height:13px;transition:transform .2s}.product-card:hover .more svg{transform:translate(3px)}.cat-block{padding-top:64px}.cat-block:first-child{padding-top:0}.cat-head{display:flex;align-items:baseline;gap:14px;margin-bottom:26px;padding-bottom:14px;border-bottom:2px solid var(--bg-soft)}.cat-head h3{font-size:1.35rem;font-weight:700;color:var(--navy-800)}.cat-head .en{font-size:.8rem;letter-spacing:2px;color:var(--faint);text-transform:uppercase}.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.adv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 26px;transition:transform .22s ease,box-shadow .22s ease}.adv-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.adv-icon{width:58px;height:58px;border-radius:14px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:20px}.adv-icon svg{width:30px;height:30px}.adv-card h3{font-size:1.15rem;font-weight:700;color:var(--navy-800);margin-bottom:10px}.adv-card p{font-size:.92rem;color:var(--muted);line-height:1.8}.about-teaser{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}.about-teaser .media{position:relative}.about-teaser .media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);aspect-ratio:4 / 3;object-fit:cover;width:100%}.about-teaser .media:after{content:"";position:absolute;inset:20px -20px -20px 20px;border:2px solid var(--accent);border-radius:var(--radius-lg);z-index:-1;opacity:.5}.about-teaser .lead{color:var(--blue-500);font-weight:600;letter-spacing:1px;margin-bottom:8px}.about-teaser h2{font-size:var(--fs-xl);font-weight:800;color:var(--navy-800);line-height:1.3}.about-teaser .text{margin-top:18px;color:var(--muted);text-align:justify}.about-teaser .actions{margin-top:28px}.news-split{display:grid;grid-template-columns:1fr 1fr;gap:44px}.news-list li{display:flex;align-items:center;gap:16px;padding:15px 4px;border-bottom:1px dashed var(--line)}.news-list li:first-child{padding-top:0}.news-list .date{flex-shrink:0;width:62px;text-align:center;background:var(--bg-soft);border-radius:8px;padding:6px 4px;line-height:1.25}.news-list .date b{display:block;font-size:1.2rem;color:var(--blue-500)}.news-list .date span{font-size:.72rem;color:var(--muted)}.news-list a{font-weight:500;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.news-list a:hover{color:var(--blue-500)}.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.case-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease}.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.case-card .thumb{aspect-ratio:4 / 3;overflow:hidden}.case-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.case-card:hover .thumb img{transform:scale(1.06)}.case-card .body{padding:14px 16px}.case-card .name{font-weight:600;font-size:.95rem}.case-card .desc{margin-top:4px;font-size:.82rem;color:var(--muted)}.cta-band{background:linear-gradient(120deg,var(--navy-800),var(--blue-500));color:#fff;padding:60px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.cta-inner h2{font-size:var(--fs-xl);font-weight:800}.cta-inner p{margin-top:8px;color:#ffffffd1}.cta-phone{font-size:1.9rem;font-weight:800;letter-spacing:1px}.cta-actions{display:flex;gap:14px;flex-wrap:wrap}.page-hero{position:relative;background:linear-gradient(120deg,var(--navy-800),var(--navy-600));color:#fff;padding:64px 0;overflow:hidden}.page-hero:after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(59,143,208,.35),transparent 70%)}.page-hero h1{font-size:var(--fs-2xl);font-weight:800;letter-spacing:1px}.page-hero .sub{margin-top:10px;color:#ffffffc7;max-width:46em}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.84rem;color:#ffffffa6;margin-top:16px}.breadcrumb a:hover{color:#fff}.breadcrumb .sep{opacity:.5}.prose{color:var(--ink);font-size:1.02rem;line-height:1.9}.prose p{margin-bottom:1.1em;text-align:justify}.prose h3{font-size:1.18rem;font-weight:700;color:var(--navy-800);margin:1.6em 0 .6em;padding-left:12px;border-left:3px solid var(--accent)}.prose ul{margin:.4em 0 1.2em;padding-left:4px}.prose ul li{position:relative;padding-left:20px;margin-bottom:.5em}.prose ul li:before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--accent)}.layout-two{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}.sidebar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.sidebar h4{padding:16px 20px;background:var(--navy-800);color:#fff;font-size:1rem;font-weight:700}.sidebar ul{padding:8px}.sidebar ul a{display:block;padding:11px 16px;border-radius:6px;color:var(--ink);font-size:.94rem;transition:.16s}.sidebar ul a:hover,.sidebar ul a.active{background:var(--accent-soft);color:var(--accent-dark);font-weight:600}.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-field{display:flex;flex-direction:column;gap:7px}.form-field.full{grid-column:1 / -1}.form-field label{font-size:.9rem;font-weight:600;color:var(--navy-800)}.form-field label em{color:var(--accent);font-style:normal}.form-field input,.form-field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit;color:var(--ink);background:var(--bg);transition:border .16s,box-shadow .16s}.form-field input:focus,.form-field 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var(--line);border-radius:8px;font-family:inherit;font-size:.85rem;line-height:1.75;color:var(--ink);white-space:pre-wrap;word-break:break-word}.form-result-actions{margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}.link-btn{padding:0;background:none;border:none;font-family:inherit;font-size:.85rem;color:var(--muted);text-decoration:underline;cursor:pointer}.link-btn:hover{color:var(--blue-500)}.copy-hint{margin-top:12px;font-size:.84rem;font-weight:600;color:#1f8a4c}.contact-list{display:grid;gap:0}.contact-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}.contact-item:last-child{border-bottom:none}.contact-item .ic{flex-shrink:0;width:46px;height:46px;border-radius:10px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}.contact-item .ic svg{width:22px;height:22px}.contact-item .k{font-size:.84rem;color:var(--muted)}.contact-item .v{font-size:1.02rem;font-weight:600;color:var(--ink);word-break:break-all}.site-footer{background:var(--navy-900);color:#ffffffb8;font-size:.9rem}.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}.footer-col h5{color:#fff;font-size:1rem;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:10px}.footer-col h5:after{content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;background:var(--accent);border-radius:2px}.footer-col p{line-height:1.9}.footer-links li{margin-bottom:10px}.footer-links a{transition:color .16s,padding-left .16s}.footer-links a:hover{color:#fff;padding-left:4px}.footer-contact li{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start}.footer-contact svg{width:16px;height:16px;flex-shrink:0;margin-top:5px;color:var(--accent)}.footer-qr{display:flex;gap:18px;align-items:center}.footer-qr img{width:92px;height:92px;border-radius:8px;background:#fff;padding:4px}.footer-qr .txt{font-size:.82rem;color:#fff9;line-height:1.7}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.82rem;color:#ffffff8c}.footer-bottom a{color:#ffffffb3}.footer-bottom a:hover{color:#fff}.empty{text-align:center;padding:60px 20px;color:var(--muted);background:var(--bg);border-radius:var(--radius)}.empty .ic{font-size:2rem;margin-bottom:12px}.empty p{margin-bottom:4px}.to-top{position:fixed;right:24px;bottom:30px;width:46px;height:46px;border-radius:50%;background:var(--navy-800);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;z-index:50}.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}.to-top:hover{background:var(--accent)}.to-top svg{width:18px;height:18px}.contact-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:start}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}html,body{overflow-x:clip}@media(max-width:1500px){.brand-text .sub{display:none}}@media(max-width:1400px){.main-nav>li>a{padding:0 11px;font-size:.94rem}}@media(max-width:1024px){.product-grid,.adv-grid,.case-grid{grid-template-columns:repeat(3,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat:nth-child(3){border-left:none}.footer-top{grid-template-columns:1fr 1fr}}@media(max-width:900px){.main-nav{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;height:auto;padding:12px 20px 40px;overflow-y:auto;transform:translate(100%);transition:transform .28s ease;border-top:1px solid var(--line)}body.menu-open .main-nav{transform:translate(0)}.main-nav>li{height:auto;display:block;border-bottom:1px solid var(--bg-soft)}.main-nav>li>a{height:auto;padding:15px 2px;display:flex;justify-content:space-between;width:100%}.main-nav>li.active>a:after{display:none}.dropdown{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;padding:0 0 12px 8px;display:none}.main-nav li.open .dropdown{display:block}.nav-toggle{display:flex}.topbar .hide-m{display:none}.topbar-group span{white-space:nowrap}.about-teaser{grid-template-columns:1fr}.about-teaser .media{order:-1}.news-split,.layout-two{grid-template-columns:1fr}.sidebar{order:-1}.contact-grid,.product-detail{grid-template-columns:1fr;gap:26px}}@media(max-width:640px){.section{padding:60px 0}.product-grid,.adv-grid,.case-grid{grid-template-columns:repeat(2,1fr);gap:14px}.stats-grid{grid-template-columns:1fr 1fr;gap:18px 10px}.stat+.stat{border-left:none}.form-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr;gap:30px}.cta-inner{flex-direction:column;align-items:flex-start}.hero-title{letter-spacing:0}}.contact-list .v .seg{white-space:nowrap}