:root{--blue:#1a3a5c;--blue-light:#2d5f8a;--blue-glow:#4a90c2;--berry:#3d5a80;--berry-light:#5b7fa6;--accent:#6ec6ff;--accent-soft:#a8d8ff;--bg:#f4f7fb;--bg-alt:#e8eef6;--card:#ffffff;--card-glass:rgba(255,255,255,.72);--text:#1a2332;--text-secondary:#4a5568;--text-muted:#7a8699;--border:rgba(26,58,92,.1);--border-strong:rgba(26,58,92,.18);--shadow-sm:0 2px 8px rgba(26,58,92,.06);--shadow-md:0 8px 30px rgba(26,58,92,.1);--shadow-lg:0 20px 60px rgba(26,58,92,.14);--shadow-glow:0 0 40px rgba(110,198,255,.25);--radius-sm:8px;--radius:16px;--radius-lg:24px;--radius-xl:32px;--transition:all .35s cubic-bezier(.4,0,.2,1);--transition-fast:all .2s ease;--font:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;--max-width:1200px}

@media(prefers-color-scheme:dark){:root{--bg:#0d1520;--bg-alt:#111b29;--card:#16202e;--card-glass:rgba(22,32,46,.78);--text:#e8eef6;--text-secondary:#a8b8cc;--text-muted:#6b7d94;--border:rgba(110,198,255,.1);--border-strong:rgba(110,198,255,.2);--shadow-sm:0 2px 8px rgba(0,0,0,.3);--shadow-md:0 8px 30px rgba(0,0,0,.4);--shadow-lg:0 20px 60px rgba(0,0,0,.5);--shadow-glow:0 0 40px rgba(110,198,255,.15)}}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:80px}

body{font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);overflow-x:hidden;transition:background .4s ease,color .4s ease;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}

body::before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 20%,rgba(110,198,255,.06) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(61,90,128,.05) 0%,transparent 50%);pointer-events:none;z-index:0}

img{max-width:100%;height:auto;display:block}

a{color:var(--blue-glow);text-decoration:none;transition:var(--transition-fast);position:relative}

a:hover{color:var(--accent)}

a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

ul{list-style:none}

::selection{background:rgba(110,198,255,.3);color:var(--text)}

header{position:sticky;top:0;z-index:1000;background:var(--card-glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border);transition:var(--transition)}

header nav{padding:0 24px}

header nav ul{display:flex;align-items:center;justify-content:center;gap:4px;max-width:var(--max-width);margin:0 auto;flex-wrap:wrap}

header nav ul li a{display:block;padding:14px 16px;font-size:14px;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);transition:var(--transition);position:relative;letter-spacing:.02em}

header nav ul li a::after{content:"";position:absolute;bottom:6px;left:50%;transform:translateX(-50%) scaleX(0);width:60%;height:2px;background:linear-gradient(90deg,var(--blue-glow),var(--accent));border-radius:2px;transition:transform .3s cubic-bezier(.4,0,.2,1)}

header nav ul li a:hover{color:var(--blue-glow);background:rgba(110,198,255,.08)}

header nav ul li a:hover::after{transform:translateX(-50%) scaleX(1)}

main{position:relative;z-index:1;max-width:var(--max-width);margin:0 auto;padding:0 24px}

section{padding:64px 0;position:relative}

section+section{border-top:1px solid var(--border)}

h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.25;letter-spacing:-.02em;background:linear-gradient(135deg,var(--blue) 0%,var(--blue-glow) 50%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:20px}

h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--text);margin-bottom:28px;position:relative;padding-bottom:16px}

h2::after{content:"";position:absolute;bottom:0;left:0;width:56px;height:4px;background:linear-gradient(90deg,var(--blue-glow),var(--accent));border-radius:2px}

h3{font-size:clamp(1.1rem,2vw,1.35rem);font-weight:600;line-height:1.4;color:var(--text);margin-bottom:14px;margin-top:28px}

h3:first-child{margin-top:0}

p{color:var(--text-secondary);margin-bottom:16px;line-height:1.8}

p:last-child{margin-bottom:0}

#hero{padding:80px 0 64px;text-align:center;position:relative;overflow:hidden}

#hero::before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 40%,rgba(110,198,255,.12) 0%,transparent 50%),radial-gradient(circle at 70% 60%,rgba(26,58,92,.08) 0%,transparent 50%);animation:heroGlow 12s ease-in-out infinite alternate;pointer-events:none}

@keyframes heroGlow{0%{transform:translate(0,0) scale(1)}100%{transform:translate(3%,-3%) scale(1.05)}}

#hero h1{max-width:900px;margin:0 auto 24px;position:relative;z-index:1}

#hero p{max-width:780px;margin:0 auto;font-size:clamp(.95rem,1.5vw,1.1rem);color:var(--text-secondary);position:relative;z-index:1;line-height:1.9}

#about,#products,#solutions,#cases,#articles,#faq,#howto,#contact,#sitemap,#links,#legal{animation:fadeInUp .8s ease both}

@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

#about h3,#products h3,#solutions h3,#cases h3,#howto h3{display:flex;align-items:center;gap:10px}

#about h3::before,#products h3::before,#solutions h3::before,#cases h3::before,#howto h3::before{content:"";width:6px;height:6px;border-radius:50%;background:linear-gradient(135deg,var(--blue-glow),var(--accent));flex-shrink:0;box-shadow:0 0 8px rgba(110,198,255,.5)}

#about>p,#products>p,#solutions>p,#cases>p{padding:20px 24px;background:var(--card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition)}

#about>p:hover,#products>p:hover,#solutions>p:hover,#cases>p:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong);transform:translateY(-2px)}

#about p,#products p,#solutions p,#cases p{text-align:justify}

#about h3+p,#products h3+p,#solutions h3+p,#cases h3+p{padding-left:16px;border-left:3px solid var(--border-strong);transition:var(--transition)}

#about h3+p:hover,#products h3+p:hover,#solutions h3+p:hover,#cases h3+p:hover{border-left-color:var(--blue-glow)}

#cases p:nth-of-type(4),#cases p:nth-of-type(5),#cases p:nth-of-type(6),#cases p:nth-of-type(7){background:var(--card);border-radius:var(--radius);padding:18px 22px;border:1px solid var(--border);box-shadow:var(--shadow-sm);margin-bottom:12px;font-style:italic;position:relative;transition:var(--transition)}

#cases p:nth-of-type(4)::before,#cases p:nth-of-type(5)::before,#cases p:nth-of-type(6)::before,#cases p:nth-of-type(7)::before{content:"“";position:absolute;top:8px;left:10px;font-size:2.5rem;line-height:1;color:var(--blue-glow);opacity:.25;font-family:Georgia,serif}

#cases p:nth-of-type(4):hover,#cases p:nth-of-type(5):hover,#cases p:nth-of-type(6):hover,#cases p:nth-of-type(7):hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}

#articles article{background:var(--card);border-radius:var(--radius-lg);padding:28px 32px;margin-bottom:20px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;overflow:hidden}

#articles article::before{content:"";position:absolute;top:0;left:0;width:4px;height:0;background:linear-gradient(180deg,var(--blue-glow),var(--accent));transition:height .4s cubic-bezier(.4,0,.2,1);border-radius:0 2px 2px 0}

#articles article:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong);transform:translateY(-3px)}

#articles article:hover::before{height:100%}

#articles article h3{margin-top:0;margin-bottom:8px;font-size:clamp(1.05rem,1.8vw,1.25rem)}

#articles article h3 a{color:var(--text)}

#articles article h3 a:hover{color:var(--blue-glow)}

#articles article time{display:inline-block;font-size:.82rem;color:var(--text-muted);margin-bottom:12px;padding:3px 10px;background:var(--bg-alt);border-radius:20px;letter-spacing:.02em}

#articles article p{font-size:.95rem;margin-bottom:12px}

#articles article a[href^="#article"]{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600;color:var(--blue-glow);padding:6px 0;transition:var(--transition)}

#articles article a[href^="#article"]::after{content:"→";transition:transform .3s ease}

#articles article a[href^="#article"]:hover{color:var(--accent)}

#articles article a[href^="#article"]:hover::after{transform:translateX(4px)}

#faq h3{background:var(--card);border-radius:var(--radius) var(--radius) 0 0;padding:18px 24px 12px;margin-bottom:0;margin-top:16px;border:1px solid var(--border);border-bottom:none;cursor:pointer;transition:var(--transition);position:relative;font-size:1rem}

#faq h3::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:300;color:var(--blue-glow);transition:transform .3s ease}

#faq h3:hover{background:var(--bg-alt);color:var(--blue-glow)}

#faq h3+p{background:var(--card);border-radius:0 0 var(--radius) var(--radius);padding:0 24px 20px;border:1px solid var(--border);border-top:none;margin-bottom:0;font-size:.93rem;color:var(--text-secondary);line-height:1.8}

#faq p:last-of-type{border-radius:0 0 var(--radius) var(--radius);margin-bottom:8px}

#faq h3+p:hover{background:var(--bg-alt)}

#howto h3:first-of-type{margin-top:0}

#howto p{text-align:justify}

#howto ol,#howto ul{padding-left:0;counter-reset:step}

#howto p:nth-of-type(3){background:var(--card);border-radius:var(--radius);padding:20px 24px;border:1px solid var(--border);box-shadow:var(--shadow-sm);line-height:2}

#howto p:nth-of-type(4),#howto p:nth-of-type(5),#howto p:nth-of-type(6){background:var(--bg-alt);border-radius:var(--radius);padding:18px 22px;border-left:3px solid var(--blue-glow);font-size:.93rem}

#contact{background:linear-gradient(135deg,rgba(26,58,92,.04) 0%,rgba(110,198,255,.06) 100%);border-radius:var(--radius-xl);padding:48px 40px;margin:32px 0;border:1px solid var(--border)}

#contact p{padding:8px 0;border-bottom:1px solid var(--border);display:flex;flex-wrap:wrap;gap:8px;font-size:.95rem}

#contact p:last-child{border-bottom:none}

#contact p strong,#contact p b{color:var(--text);font-weight:600}

#sitemap ul{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px}

#sitemap ul li{margin-bottom:4px}

#sitemap ul li a{display:inline-block;padding:6px 12px;border-radius:var(--radius-sm);font-size:.9rem;color:var(--text-secondary);transition:var(--transition)}

#sitemap ul li a:hover{background:rgba(110,198,255,.1);color:var(--blue-glow);transform:translateX(4px)}

#sitemap ul ul{padding-left:16px;margin-top:4px;grid-column:1/-1}

#sitemap ul ul li a{font-size:.85rem;color:var(--text-muted)}

#links ul{display:flex;flex-wrap:wrap;gap:12px}

#links ul li a{display:inline-block;padding:10px 20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;color:var(--text-secondary);transition:var(--transition);box-shadow:var(--shadow-sm)}

#links ul li a:hover{background:linear-gradient(135deg,var(--blue-glow),var(--accent));color:#fff;border-color:transparent;box-shadow:var(--shadow-glow);transform:translateY(-2px)}

#legal h2{font-size:clamp(1.1rem,2vw,1.4rem);margin-top:32px;margin-bottom:16px}

#legal h2:first-child{margin-top:0}

#legal p{font-size:.9rem;color:var(--text-muted);text-align:justify;line-height:1.85}

footer{background:linear-gradient(135deg,var(--blue) 0%,var(--berry) 50%,var(--blue-light) 100%);color:rgba(255,255,255,.85);padding:48px 24px;margin-top:64px;position:relative;overflow:hidden}

footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(110,198,255,.5),transparent)}

footer::after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 50%,rgba(110,198,255,.08) 0%,transparent 50%);pointer-events:none}

footer p{color:rgba(255,255,255,.7);font-size:.85rem;text-align:center;margin-bottom:8px;position:relative;z-index:1;line-height:1.7}

footer p:last-child{margin-bottom:0;font-size:.8rem;color:rgba(255,255,255,.5)}

footer p:first-child{font-size:.9rem;color:rgba(255,255,255,.85);font-weight:500}

@media(max-width:1024px){section{padding:48px 0}#hero{padding:64px 0 48px}#contact{padding:36px 28px;border-radius:var(--radius-lg)}#articles article{padding:24px 26px}}

@media(max-width:768px){html{scroll-padding-top:60px}header nav{padding:0 12px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}header nav::-webkit-scrollbar{display:none}header nav ul{justify-content:flex-start;flex-wrap:nowrap;gap:0;padding:0 4px}header nav ul li a{padding:12px 12px;font-size:13px;white-space:nowrap}main{padding:0 16px}section{padding:40px 0}h1{font-size:clamp(1.5rem,5vw,2rem)}h2{font-size:clamp(1.25rem,4vw,1.6rem);margin-bottom:20px}h3{font-size:1.05rem}#hero{padding:48px 0 36px}#hero p{font-size:.92rem}#about>p,#products>p,#solutions>p,#cases>p{padding:16px 18px}#articles article{padding:20px 18px;border-radius:var(--radius)}#articles article h3{font-size:1rem}#faq h3{padding:14px 18px 10px;font-size:.93rem}#faq h3::after{right:18px}#faq h3+p{padding:0 18px 16px;font-size:.88rem}#contact{padding:28px 20px;border-radius:var(--radius);margin:24px 0}#contact p{font-size:.88rem}#sitemap ul{grid-template-columns:1fr 1fr;gap:6px}#sitemap ul li a{padding:5px 10px;font-size:.85rem}#links ul{gap:8px}#links ul li a{padding:8px 14px;font-size:.85rem}footer{padding:36px 16px;margin-top:48px}footer p{font-size:.8rem}#howto p:nth-of-type(3){padding:16px 18px;line-height:1.9}#howto p:nth-of-type(4),#howto p:nth-of-type(5),#howto p:nth-of-type(6){padding:14px 16px;font-size:.88rem}}

@media(max-width:480px){header nav ul li a{padding:10px 10px;font-size:12px}main{padding:0 12px}section{padding:32px 0}h1{font-size:1.35rem}h2{font-size:1.15rem}h2::after{width:40px;height:3px}#hero{padding:36px 0 28px}#hero p{font-size:.88rem;line-height:1.8}#about>p,#products>p,#solutions>p,#cases>p{padding:14px 16px;font-size:.9rem}#about h3+p,#products h3+p,#solutions h3+p,#cases h3+p{padding-left:12px}#articles article{padding:16px 14px}#articles article h3{font-size:.95rem}#articles article time{font-size:.75rem}#articles article p{font-size:.88rem}#faq h3{padding:12px 14px 8px;font-size:.88rem}#faq h3::after{right:14px;font-size:1.2rem}#faq h3+p{padding:0 14px 14px;font-size:.84rem}#contact{padding:20px 16px}#contact p{font-size:.84rem}#sitemap ul{grid-template-columns:1fr}#links ul{flex-direction:column}#links ul li a{text-align:center}footer{padding:28px 12px}footer p{font-size:.75rem}#cases p:nth-of-type(4),#cases p:nth-of-type(5),#cases p:nth-of-type(6),#cases p:nth-of-type(7){padding:14px 16px;font-size:.88rem}}

@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

@media print{header,footer,#links,#sitemap{display:none}body{background:#fff;color:#000}section{padding:20px 0;border:none}a{color:#000;text-decoration:underline}}