:root{--color-navy: #0b2a4a;--color-navy-2: #123a63;--color-graphite: #1f2933;--color-muted: #5d6b78;--color-line: #d9e2ec;--color-bg: #ffffff;--color-soft: #f4f7fa;--color-red: #c83737;--color-yellow: #d6a316;--color-blue: #1d6fb8;--color-green: #21845b;--shadow-card: 0 16px 40px rgba(11, 42, 74, .08);--radius: 8px;--container: 1180px;--font-sans: Arial, "Helvetica Neue", Helvetica, sans-serif}*{box-sizing:border-box}html{background:var(--color-bg);color:var(--color-graphite);font-family:var(--font-sans);line-height:1.6}body{margin:0;min-width:320px}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}p{margin:0;color:var(--color-muted)}h1,h2,h3{margin:0;color:var(--color-graphite);line-height:1.18;letter-spacing:0}h1{font-size:clamp(2.35rem,4.6vw,4.05rem)}h2{font-size:clamp(1.55rem,3vw,2.4rem)}h3{font-size:1.2rem}main{overflow:hidden}.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;background:#fffffff5;border-bottom:1px solid var(--color-line);backdrop-filter:blur(10px)}.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}.brand{display:inline-flex;align-items:center;flex:0 0 auto}.brand-logo{width:155px;height:auto}.brand-fallback{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.main-nav{display:flex;align-items:center;justify-content:center;flex:1;gap:28px;font-size:.94rem;font-weight:700;color:var(--color-graphite)}.main-nav a{padding:8px 0;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a.is-active{color:var(--color-navy);border-color:var(--color-blue)}.language-switch{position:relative;flex:0 0 auto;color:var(--color-navy);font-weight:700}.language-switch summary{display:inline-flex;align-items:center;justify-content:center;width:44px;min-height:44px;padding:0;border:1px solid var(--color-line);border-radius:var(--radius);background:#fff;cursor:pointer;list-style:none}.language-switch summary::-webkit-details-marker{display:none}.language-icon{width:19px;height:19px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.language-menu{position:absolute;right:0;top:calc(100% + 8px);z-index:30;display:grid;min-width:150px;padding:6px;border:1px solid var(--color-line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-card)}.language-menu a{padding:10px 12px;border-radius:6px;color:var(--color-graphite)}.language-menu a:hover,.language-menu a.is-current{background:var(--color-soft);color:var(--color-navy)}.mobile-menu,.mobile-header-actions{display:none}.mobile-menu summary{display:inline-flex;width:44px;min-height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--color-line);border-radius:var(--radius);background:#fff;color:var(--color-navy);cursor:pointer;list-style:none}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary span{display:block;width:18px;height:2px;border-radius:999px;background:currentColor}.mobile-menu-panel{position:absolute;right:0;top:calc(100% + 10px);z-index:40;display:grid;width:min(320px,calc(100vw - 28px));gap:14px;padding:14px;border:1px solid var(--color-line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-card)}.mobile-nav{display:grid;gap:4px}.mobile-nav a{padding:12px 10px;border-radius:6px;color:var(--color-graphite);font-weight:800}.mobile-nav a:hover,.mobile-nav a.is-active{background:var(--color-soft);color:var(--color-navy)}.home-hero-carousel{position:relative;min-height:calc(100svh - 78px);overflow:hidden;background:#f8fafc}.home-hero-slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity .9s ease}.home-hero-slide.is-active{opacity:1;z-index:1}.home-hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.02)}.home-hero-slide.is-active img{animation:heroImageZoom 7.2s ease-in-out forwards}.home-hero-overlay{position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,#ffffffdb,#ffffff9e 36%,#ffffff2e 64%,#ffffff14),linear-gradient(0deg,#0b2a4a24,#fff0 44%)}.home-hero-content{position:relative;z-index:3;display:flex;min-height:calc(100svh - 78px);flex-direction:column;justify-content:center;padding:72px 0;transform:translateY(3svh)}.home-hero-content h1,.home-hero-title{max-width:680px;color:#17324d;font-family:"PingFang SC","Microsoft YaHei",var(--font-sans);font-size:clamp(2.35rem,4.2vw,3.8rem);font-weight:700;line-height:1.16}.home-hero-content .hero-subtitle{max-width:620px;color:#3e5364;font-size:1.12rem;font-weight:600}.home-hero-dots{position:absolute;left:50%;bottom:26px;z-index:4;display:flex;gap:10px;transform:translate(-50%)}.home-hero-dots button{width:10px;height:10px;padding:0;border:1px solid rgba(255,255,255,.9);border-radius:999px;background:#0b2a4a42;cursor:pointer}.home-hero-dots button.is-active{width:28px;background:var(--color-navy);border-color:var(--color-navy)}@keyframes heroImageZoom{0%{transform:scale(1.02)}to{transform:scale(1.075)}}.hero-section{display:flex;min-height:calc(100svh - 78px);align-items:center;padding:56px 0;background:linear-gradient(135deg,#0b2a4a14,#fff0 45%),var(--color-bg)}.hero-grid,.split-grid,.contact-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);gap:48px;align-items:center}.hero-copy{max-width:780px}.hero-copy h1{max-width:720px}.eyebrow{margin-bottom:12px;color:var(--color-blue);font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.hero-subtitle{margin-top:24px;font-size:1.16rem;max-width:680px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 18px;border:1px solid transparent;border-radius:var(--radius);font-weight:800;cursor:pointer}.button-primary{background:var(--color-navy);color:#fff}.button-primary:hover{background:var(--color-navy-2)}.button-secondary{background:#fff;border-color:var(--color-line);color:var(--color-navy)}.button-light{background:#fff;color:var(--color-navy)}.section{padding:72px 0}.section-muted{background:var(--color-soft)}.section-heading{max-width:760px;margin-bottom:32px}.section-heading h2+p{margin-top:12px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.content-card{overflow:hidden;background:#fff;border:1px solid var(--color-line);border-radius:var(--radius);box-shadow:var(--shadow-card)}.card-body{padding:20px 22px 22px}.card-body h3+p{margin-top:10px}.text-link{display:inline-flex;margin-top:18px;color:var(--color-blue);font-weight:800}.placeholder-visual{position:relative;display:flex;min-height:210px;align-items:center;justify-content:center;overflow:hidden;padding:28px;border:1px solid var(--color-line);border-radius:var(--radius);background:radial-gradient(circle at 20% 20%,rgba(200,55,55,.22),transparent 25%),radial-gradient(circle at 78% 24%,rgba(29,111,184,.18),transparent 28%),radial-gradient(circle at 55% 78%,rgba(33,132,91,.16),transparent 25%),#f9fbfd;color:var(--color-muted);text-align:center;font-weight:800}.placeholder-visual img{width:100%;height:100%;object-fit:cover;border-radius:calc(var(--radius) - 2px)}.placeholder-hero{min-height:min(560px,calc(100svh - 190px))}.placeholder-wide{min-height:300px}.placeholder-card{height:205px;min-height:205px;border-width:0 0 1px;border-radius:0}.placeholder-mark{position:absolute;width:120px;height:120px;border:18px solid rgba(11,42,74,.08);border-radius:50%}.hero-visual-composite{display:grid;width:100%;height:100%;min-height:min(500px,calc(100svh - 250px));grid-template-rows:1fr auto auto;gap:18px}.visual-panel{position:relative;overflow:hidden;border-radius:var(--radius);background:radial-gradient(circle at 28% 36%,rgba(200,55,55,.45),transparent 13%),radial-gradient(circle at 45% 42%,rgba(214,163,22,.48),transparent 14%),radial-gradient(circle at 62% 38%,rgba(29,111,184,.42),transparent 13%),radial-gradient(circle at 74% 55%,rgba(33,132,91,.36),transparent 13%),linear-gradient(135deg,#fff,#edf5fb)}.visual-panel:before{position:absolute;inset:26px;content:"";border:1px solid rgba(11,42,74,.12);border-radius:var(--radius);background:linear-gradient(90deg,#ffffffb8,#ffffff57),repeating-linear-gradient(90deg,rgba(11,42,74,.08) 0 1px,transparent 1px 54px)}.visual-panel span{position:absolute;left:38px;bottom:32px;z-index:1;max-width:260px;color:var(--color-navy);text-align:left}.sample-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.sample-row i{display:block;height:42px;border-radius:var(--radius)}.swatch-red{background:linear-gradient(135deg,#b92932,#e37959)}.swatch-yellow{background:linear-gradient(135deg,#d7a111,#ffe47b)}.swatch-blue{background:linear-gradient(135deg,#1163a5,#55b5e8)}.swatch-green{background:linear-gradient(135deg,#1d8058,#75c989)}.visual-caption{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.visual-caption strong{padding:10px;border:1px solid rgba(11,42,74,.12);border-radius:var(--radius);background:#ffffffc7;color:var(--color-graphite);font-size:.82rem}.application-card .placeholder-visual:not(:has(img)){min-height:170px}.accent-red{border-top:4px solid var(--color-red)}.accent-yellow{border-top:4px solid var(--color-yellow)}.accent-blue{border-top:4px solid var(--color-blue)}.accent-green{border-top:4px solid var(--color-green)}.accent-graphite{border-top:4px solid var(--color-graphite)}.document-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.document-item,.info-panel,.notice-box,.article-card{padding:24px;border:1px solid var(--color-line);border-radius:var(--radius);background:#fff}.document-item span{display:inline-flex;margin-bottom:8px;color:var(--color-navy);font-weight:900}.three-column{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.check-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.check-list li{position:relative;padding-left:20px;color:var(--color-muted)}.check-list li:before{position:absolute;left:0;content:"";width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--color-blue)}.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}.tag-cloud span{padding:9px 12px;border:1px solid var(--color-line);border-radius:var(--radius);background:#fff;color:var(--color-graphite);font-weight:700}.cta-band{display:flex;align-items:center;justify-content:space-between;gap:28px;margin:34px 0 72px;padding:34px;border-radius:var(--radius);background:var(--color-navy);color:#fff}.cta-band h2,.cta-band p{color:#fff}.cta-band p{margin-top:10px;opacity:.86}.article-list{display:grid;gap:18px}.article-card span{color:var(--color-blue);font-weight:800}.article-card h2{margin-top:8px;font-size:1.35rem}.article-card p{margin-top:10px}.contact-grid{align-items:start}.contact-list{display:grid;gap:16px;margin:18px 0 0}.contact-list div{padding-bottom:14px;border-bottom:1px solid var(--color-line)}.contact-list dt{color:var(--color-muted);font-size:.86rem;font-weight:800}.contact-list dd{margin:4px 0 0;color:var(--color-graphite);font-weight:800}.contact-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:24px;border:1px solid var(--color-line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-card)}.contact-form label{display:grid;gap:8px;color:var(--color-graphite);font-weight:800}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--color-line);border-radius:var(--radius);padding:12px 13px;color:var(--color-graphite);font:inherit}.contact-form textarea{resize:vertical}.form-full{grid-column:1 / -1}.form-actions{display:flex;align-items:center;gap:16px}.contact-placeholder{display:grid;gap:8px;margin-top:28px;padding-top:24px;border-top:1px solid var(--color-line)}.contact-placeholder strong{color:var(--color-graphite)}.site-footer{background:var(--color-graphite);color:#fff;padding:50px 0 24px}.site-footer p,.site-footer a{color:#ffffffc7}.site-footer h2{color:#fff;font-size:1rem}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}.footer-brand{margin-bottom:12px;font-size:1.25rem;font-weight:900}.footer-links{display:grid;gap:8px;margin-top:12px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);color:#ffffff9e;font-size:.9rem}@media(min-width:981px){.home-hero-content{min-height:calc(100svh - 78px);padding:72px 0 104px;transform:translateY(2.5svh)}.home-hero-content h1,.home-hero-title{max-width:840px;font-size:clamp(2.7rem,3.4vw,3.55rem);line-height:1.1}.home-hero-content .hero-subtitle{max-width:760px;font-size:1.08rem;line-height:1.75}}@media(max-width:980px){h1{font-size:clamp(2rem,6.2vw,3.1rem)}.header-inner{min-height:68px;gap:14px}.brand-logo{width:136px}.header-inner>.main-nav,.header-inner>.language-switch{display:none}.mobile-header-actions{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}.mobile-menu{display:block;flex:0 0 auto}.hero-grid,.split-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}.hero-section{min-height:auto;padding:48px 0 56px}.home-hero-carousel{min-height:calc(100svh - 68px)}.home-hero-content{min-height:calc(100svh - 68px);padding:56px 0 88px;transform:translateY(4svh)}.home-hero-content h1,.home-hero-title{max-width:560px;font-size:clamp(2rem,6.2vw,3.1rem)}.home-hero-content .hero-subtitle{max-width:520px}.hero-grid{gap:36px}.hero-copy{max-width:700px}.card-grid,.three-column{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.container{width:min(var(--container),calc(100% - 28px))}h1{font-size:clamp(2rem,11vw,2.75rem);line-height:1.12}h2{font-size:clamp(1.45rem,7vw,2rem)}.header-inner{min-height:62px}.brand-logo{width:122px}.mobile-menu-panel{top:calc(100% + 8px)}.home-hero-carousel{min-height:calc(100svh - 62px)}.home-hero-slide img{object-position:58% center}.home-hero-overlay{background:linear-gradient(180deg,#ffffffdb,#ffffff9e 44%,#fff3),linear-gradient(0deg,#0b2a4a33,#fff0 52%)}.home-hero-content{min-height:calc(100svh - 62px);justify-content:center;padding:48px 0 82px;transform:translateY(4svh)}.home-hero-content h1,.home-hero-title{max-width:min(390px,100%);font-size:clamp(1.95rem,9.8vw,2.55rem);line-height:1.12}.home-hero-content .hero-subtitle{max-width:min(390px,100%);font-size:1rem;font-weight:600}.hero-section,.section{padding:42px 0}.hero-grid{gap:28px}.eyebrow{margin-bottom:10px;font-size:.76rem}.hero-subtitle{margin-top:18px;font-size:1rem}.hero-actions{gap:10px;margin-top:26px}.button{min-height:46px;padding:11px 15px}.card-grid,.three-column,.document-grid,.contact-form{grid-template-columns:1fr}.cta-band,.form-actions,.footer-bottom{align-items:flex-start;flex-direction:column}.placeholder-hero,.placeholder-wide{min-height:220px}.hero-visual-composite{min-height:260px;gap:12px}.visual-panel:before{inset:16px}.visual-panel span{left:22px;bottom:22px;max-width:220px}.sample-row i{height:32px}}@media(prefers-reduced-motion:reduce){.home-hero-slide,.home-hero-slide img{animation:none;transition:none}.home-hero-slide.is-active{opacity:1}}