:root{--brand:#1a237e;--brand-2:#3949ab;--brand-3:#5c6bc0;--accent:#00bcd4;--accent-2:#26c6da;--bg:#f5f7fb;--bg-2:#eef1f8;--surface:rgba(255,255,255,.72);--surface-solid:#ffffff;--glass:rgba(255,255,255,.55);--glass-border:rgba(255,255,255,.65);--text:#1c2033;--text-2:#4a5068;--text-3:#7b8199;--border:rgba(26,35,126,.12);--shadow:0 8px 30px rgba(26,35,126,.10);--shadow-hover:0 18px 44px rgba(26,35,126,.18);--radius:20px;--radius-sm:14px;--radius-lg:28px;--nav-h:68px;--font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif}
@media (prefers-color-scheme:dark){
:root{--brand:#7986cb;--brand-2:#5c6bc0;--brand-3:#3f51b5;--accent:#4dd0e1;--accent-2:#26c6da;--bg:#0b0e1a;--bg-2:#111527;--surface:rgba(24,28,48,.72);--surface-solid:#181c30;--glass:rgba(30,35,60,.55);--glass-border:rgba(120,130,200,.22);--text:#e8eaf6;--text-2:#b3b9d4;--text-3:#8b92b0;--border:rgba(120,130,200,.18);--shadow:0 8px 30px rgba(0,0,0,.45);--shadow-hover:0 18px 44px rgba(0,0,0,.6)}
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;overflow-x:hidden;transition:background .4s ease,color .4s ease;background-image:radial-gradient(circle at 12% 8%,rgba(92,107,192,.14),transparent 42%),radial-gradient(circle at 88% 4%,rgba(0,188,212,.12),transparent 40%),radial-gradient(circle at 50% 100%,rgba(57,73,171,.10),transparent 55%);background-attachment:fixed}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.35;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(1.6rem,4.2vw,2.6rem)}
h2{font-size:clamp(1.35rem,3vw,2rem)}
h3{font-size:clamp(1.08rem,2.2vw,1.35rem)}
p{margin-bottom:.85em}
::selection{background:var(--brand-3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--brand-3),var(--accent));border-radius:20px;border:2px solid var(--bg)}

header{position:sticky;top:0;z-index:1000;background:var(--glass);backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);border-bottom:1px solid var(--glass-border);box-shadow:0 4px 24px rgba(26,35,126,.06);transition:background .4s ease,box-shadow .3s ease}
header:hover{box-shadow:0 6px 30px rgba(26,35,126,.12)}
header nav{max-width:1200px;margin:0 auto;padding:0 20px;min-height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
header nav>a{font-size:1.15rem;font-weight:800;color:var(--text);letter-spacing:.02em;position:relative;padding:6px 0;display:inline-flex;align-items:center;gap:8px}
header nav>a::before{content:"";width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand-3),var(--accent));box-shadow:0 0 12px rgba(0,188,212,.6);flex:0 0 auto}
header nav>a::after{content:"";position:absolute;left:20px;right:0;bottom:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-3),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
header nav>a:hover::after{transform:scaleX(1)}
header nav ul{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
header nav ul li a{display:block;padding:8px 13px;font-size:.92rem;color:var(--text-2);border-radius:999px;position:relative;transition:color .25s ease,background .25s ease,transform .25s ease}
header nav ul li a:hover{color:var(--brand-2);background:var(--surface);transform:translateY(-2px)}
header nav ul li a::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-3),var(--accent));transition:left .3s ease,right .3s ease}
header nav ul li a:hover::after{left:14px;right:14px}

main{max-width:1200px;margin:0 auto;padding:0 20px;display:block}
main>section{margin:34px 0;padding:34px clamp(18px,3.4vw,44px);background:var(--surface);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow);position:relative;overflow:hidden;transition:transform .4s cubic-bezier(.2,.7,.3,1),box-shadow .4s ease,border-color .4s ease;animation:fadeUp .7s cubic-bezier(.2,.7,.3,1) both}
main>section::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand-3),var(--accent));opacity:.9}
main>section:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(92,107,192,.35)}
main>section h2{position:relative;padding-left:18px;margin-bottom:18px;color:var(--text)}
main>section h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:6px;background:linear-gradient(180deg,var(--brand-2),var(--accent));box-shadow:0 0 14px rgba(0,188,212,.45)}
main>section h3{margin:22px 0 10px;color:var(--brand-2);display:inline-block;position:relative}
main>section h3::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent);opacity:.6}
main>section p{color:var(--text-2)}

#hero{background:linear-gradient(135deg,rgba(26,35,126,.92) 0%,rgba(57,73,171,.88) 45%,rgba(0,188,212,.82) 100%);color:#fff;border:none;box-shadow:0 20px 60px rgba(26,35,126,.35);padding:clamp(34px,5.5vw,64px) clamp(20px,4vw,54px);text-align:left}
#hero::before{background:linear-gradient(90deg,rgba(255,255,255,.5),transparent)}
#hero::after{content:"";position:absolute;top:-40%;right:-12%;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.28),transparent 65%);pointer-events:none;animation:float 9s ease-in-out infinite}
#hero h1{color:#fff;text-shadow:0 4px 24px rgba(0,0,0,.28);margin-bottom:16px;letter-spacing:.02em}
#hero p{color:rgba(255,255,255,.94);max-width:60em;font-size:1.02rem;margin-bottom:1em}
#hero p:last-child{margin-bottom:0}

#breadcrumb,.breadcrumb{padding:0}
main>nav[aria-label="面包屑导航"]{margin:22px 0 0;padding:0}
main>nav[aria-label="面包屑导航"] ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.88rem;color:var(--text-3);background:var(--surface);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:999px;padding:10px 18px;box-shadow:var(--shadow)}
main>nav[aria-label="面包屑导航"] ol li{display:inline-flex;align-items:center;gap:8px}
main>nav[aria-label="面包屑导航"] ol li+li::before{content:"›";color:var(--text-3);font-weight:700}
main>nav[aria-label="面包屑导航"] ol li a{color:var(--brand-2);font-weight:600}
main>nav[aria-label="面包屑导航"] ol li a:hover{color:var(--accent)}

#products ul,#solutions ul,#cases ul,#contact ul,#sitemap ul,#links ul{margin:8px 0 0}
#products>p:first-of-type{margin-bottom:1em}
#contact ul li,#sitemap ul li,#links ul li{position:relative;padding:10px 14px 10px 34px;margin-bottom:8px;background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--text-2);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .3s ease,box-shadow .3s ease,background .3s ease}
#contact ul li::before,#sitemap ul li::before,#links ul li::before{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand-3),var(--accent));box-shadow:0 0 10px rgba(0,188,212,.55)}
#contact ul li:hover,#sitemap ul li:hover,#links ul li:hover{transform:translateX(6px);box-shadow:var(--shadow);background:var(--surface)}
#sitemap ul,#links ul{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
#sitemap ul li,#links ul li{margin-bottom:0}

#articles article{margin:18px 0;padding:22px clamp(16px,2.6vw,28px);background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);position:relative;overflow:hidden;transition:transform .38s cubic-bezier(.2,.7,.3,1),box-shadow .38s ease,border-color .38s ease}
#articles article::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--brand-3),var(--accent));transform:scaleY(0);transform-origin:top;transition:transform .4s ease}
#articles article:hover{transform:translateY(-5px) scale(1.006);box-shadow:var(--shadow-hover);border-color:rgba(92,107,192,.4)}
#articles article:hover::before{transform:scaleY(1)}
#articles article h3{margin-top:0;color:var(--text)}
#articles article p{color:var(--text-2);font-size:.96rem}
#articles article p:nth-of-type(1){color:var(--text-3);font-size:.82rem;letter-spacing:.02em;margin-bottom:8px;display:inline-block;padding:3px 12px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-border)}
#articles article a{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.92rem;padding:8px 18px;border-radius:999px;background:linear-gradient(135deg,var(--brand-2),var(--accent));color:#fff;box-shadow:0 6px 18px rgba(57,73,171,.28);transition:transform .3s ease,box-shadow .3s ease,filter .3s ease;margin-top:6px}
#articles article a::after{content:"→";transition:transform .3s ease}
#articles article a:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,188,212,.45);filter:brightness(1.06)}
#articles article a:hover::after{transform:translateX(4px)}

#faq h3{display:block;margin:18px 0 8px;padding:14px 18px 14px 46px;background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--text);position:relative;cursor:default;transition:background .3s ease,transform .3s ease,box-shadow .3s ease}
#faq h3::before{content:"Q";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--brand-2),var(--accent));color:#fff;font-size:.78rem;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(57,73,171,.35)}
#faq h3::after{display:none}
#faq h3:hover{background:var(--surface);transform:translateX(4px);box-shadow:var(--shadow)}
#faq p{padding-left:18px;border-left:2px solid var(--border);margin-bottom:18px;color:var(--text-2);font-size:.96rem}

#howto ol{counter-reset:step;display:grid;gap:12px;margin:14px 0}
#howto ol li{counter-increment:step;position:relative;padding:16px 18px 16px 58px;background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--text-2);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .3s ease,box-shadow .3s ease,background .3s ease}
#howto ol li::before{content:counter(step);position:absolute;left:14px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:800;font-size:.9rem;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(26,35,126,.3)}
#howto ol li:hover{transform:translateX(6px);box-shadow:var(--shadow);background:var(--surface)}
#howto h3{margin-top:20px}

#legal h2{font-size:1.15rem;margin-top:22px}
#legal h2:first-of-type{margin-top:0}
#legal p{font-size:.94rem;color:var(--text-2)}

footer{margin-top:44px;padding:34px 20px 42px;text-align:center;background:linear-gradient(135deg,rgba(26,35,126,.94),rgba(57,73,171,.9) 55%,rgba(0,188,212,.85));color:rgba(255,255,255,.92);position:relative;overflow:hidden}
footer::before{content:"";position:absolute;top:-60%;left:50%;transform:translateX(-50%);width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 62%);pointer-events:none}
footer p{margin:4px 0;font-size:.9rem;position:relative;z-index:1}
footer p:first-child{font-weight:700;letter-spacing:.03em}
footer p:last-child{color:rgba(255,255,255,.72);font-size:.82rem}

@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-22px) scale(1.05)}}
main>section:nth-of-type(1){animation-delay:.02s}
main>section:nth-of-type(2){animation-delay:.06s}
main>section:nth-of-type(3){animation-delay:.1s}
main>section:nth-of-type(4){animation-delay:.14s}
main>section:nth-of-type(5){animation-delay:.18s}
main>section:nth-of-type(6){animation-delay:.22s}
main>section:nth-of-type(7){animation-delay:.26s}
main>section:nth-of-type(8){animation-delay:.3s}
main>section:nth-of-type(9){animation-delay:.34s}
main>section:nth-of-type(10){animation-delay:.38s}
main>section:nth-of-type(11){animation-delay:.42s}
main>section:nth-of-type(12){animation-delay:.46s}
main>section:nth-of-type(13){animation-delay:.5s}
main>section:nth-of-type(14){animation-delay:.54s}
main>section:nth-of-type(15){animation-delay:.58s}
main>section:nth-of-type(16){animation-delay:.62s}

@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}

@media (max-width:960px){
header nav{padding:10px 16px;gap:10px}
header nav ul{gap:1px}
header nav ul li a{padding:7px 10px;font-size:.86rem}
main{padding:0 16px}
main>section{margin:24px 0;padding:26px 20px;border-radius:var(--radius)}
#hero{padding:32px 22px}
}

@media (max-width:680px){
:root{--nav-h:auto}
body{font-size:15px}
header nav{flex-direction:column;align-items:flex-start;padding:12px 14px}
header nav ul{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
header nav ul::-webkit-scrollbar{display:none}
header nav ul li a{white-space:nowrap;font-size:.82rem;padding:6px 11px}
main{padding:0 12px}
main>section{margin:18px 0;padding:22px 16px;border-radius:var(--radius-sm)}
main>section h2{padding-left:14px;font-size:1.22rem}
main>section h2::before{width:5px}
#hero{padding:26px 18px;border-radius:var(--radius)}
#hero h1{font-size:1.42rem}
#hero p{font-size:.94rem}
#articles article{padding:18px 16px}
#faq h3{padding:12px 14px 12px 42px;font-size:1rem}
#faq h3::before{left:12px;width:20px;height:20px;font-size:.72rem}
#howto ol li{padding:14px 14px 14px 52px}
#howto ol li::before{left:12px;width:26px;height:26px;font-size:.82rem}
#sitemap ul,#links ul{grid-template-columns:1fr 1fr}
footer{padding:26px 16px 34px}
footer p{font-size:.82rem}
}

@media (max-width:400px){
#sitemap ul,#links ul{grid-template-columns:1fr}
header nav>a{font-size:1.02rem}
}

@media print{
header,footer,#hero::after{display:none}
body{background:#fff;color:#000}
main>section{box-shadow:none;border:1px solid #ccc;background:#fff;break-inside:avoid}
a{color:#000;text-decoration:underline}
}