:root{--bg:#f4f6fb;--bg-2:#e9edf7;--surface:#ffffff;--surface-2:#f8fafc;--glass:rgba(255,255,255,.62);--glass-border:rgba(255,255,255,.75);--text:#1a2233;--text-2:#4a5568;--text-3:#7a8699;--primary:#1f3a5f;--primary-2:#2c5a8f;--accent:#e8b04b;--accent-2:#f0c76a;--line:rgba(31,58,95,.1);--shadow-sm:0 2px 8px rgba(31,58,95,.06);--shadow:0 8px 28px rgba(31,58,95,.1);--shadow-lg:0 18px 48px rgba(31,58,95,.16);--radius:18px;--radius-sm:12px;--radius-lg:26px;--maxw:1180px;--ease:cubic-bezier(.22,.61,.36,1)}
@media (prefers-color-scheme:dark){:root{--bg:#0d1420;--bg-2:#111a29;--surface:#16202f;--surface-2:#1b2739;--glass:rgba(22,32,47,.55);--glass-border:rgba(255,255,255,.08);--text:#e8eef7;--text-2:#a9b6c8;--text-3:#7d8ba0;--primary:#7fa8d8;--primary-2:#a3c4ea;--accent:#e8b04b;--accent-2:#f0c76a;--line:rgba(255,255,255,.08);--shadow-sm:0 2px 8px rgba(0,0,0,.3);--shadow:0 8px 28px rgba(0,0,0,.4);--shadow-lg:0 18px 48px rgba(0,0,0,.55)}}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;overflow-x:hidden;transition:background .4s var(--ease),color .4s var(--ease)}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(1200px 600px at 12% -10%,rgba(31,58,95,.1),transparent 60%),radial-gradient(900px 500px at 100% 0%,rgba(232,176,75,.12),transparent 55%),linear-gradient(180deg,var(--bg),var(--bg-2));pointer-events:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-2);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.35;font-weight:700;letter-spacing:.01em;color:var(--text)}
h1{font-size:clamp(1.6rem,3.4vw,2.5rem);letter-spacing:.005em}
h2{font-size:clamp(1.35rem,2.6vw,1.9rem);position:relative;padding-left:18px}
h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;background:linear-gradient(180deg,var(--accent),var(--primary-2))}
h3{font-size:clamp(1.1rem,1.9vw,1.32rem);color:var(--primary-2)}
h4{font-size:1.02rem;color:var(--text)}
p{margin:0 0 1em;color:var(--text-2)}
ul,ol{margin:0 0 1em;padding-left:1.35em;color:var(--text-2)}
li{margin:.35em 0}
blockquote{margin:1em 0;padding:1em 1.2em;border-left:4px solid var(--accent);background:var(--glass);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}
blockquote p{margin:0;color:var(--text-2);font-style:italic}
#site-header{position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);border-bottom:1px solid var(--glass-border);box-shadow:0 4px 24px rgba(31,58,95,.08);transition:background .4s var(--ease)}
.top-bar{max-width:var(--maxw);margin:0 auto;padding:.7rem 1.25rem .4rem;display:flex;flex-wrap:wrap;gap:.35rem 1rem;align-items:center;justify-content:space-between}
.brand-name{font-weight:800;font-size:1.02rem;letter-spacing:.02em;background:linear-gradient(100deg,var(--primary),var(--primary-2) 45%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.top-note{font-size:.82rem;color:var(--text-3);letter-spacing:.04em}
#main-nav{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
#main-nav ul{list-style:none;margin:0;padding:.25rem 0 .6rem;display:flex;gap:.35rem;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
#main-nav ul::-webkit-scrollbar{display:none}
#main-nav li{flex:0 0 auto}
#main-nav a{display:inline-block;padding:.42rem .85rem;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--text-2);white-space:nowrap;transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease)}
#main-nav a:hover,#main-nav a:focus-visible{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;transform:translateY(-2px);box-shadow:0 6px 18px rgba(31,58,95,.28);outline:none}
main{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
section{padding:2.6rem 0;scroll-margin-top:120px}
section>h2{margin-bottom:1.1rem}
#hero{position:relative;margin:1.6rem 0 0;padding:3.2rem 2.2rem;border-radius:var(--radius-lg);overflow:hidden;background:linear-gradient(125deg,#1f3a5f 0%,#2c5a8f 42%,#3f7bb8 68%,#e8b04b 130%);box-shadow:var(--shadow-lg);isolation:isolate}
#hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 88% 8%,rgba(255,255,255,.28),transparent 60%),radial-gradient(500px 260px at 6% 100%,rgba(232,176,75,.35),transparent 65%);z-index:-1}
#hero::after{content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-180px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);z-index:-1;animation:float 12s ease-in-out infinite}
#hero h1{color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.22)}
#hero h1::before{display:none}
.hero-lead{color:rgba(255,255,255,.92);font-size:clamp(.95rem,1.4vw,1.04rem);max-width:78ch;text-shadow:0 1px 10px rgba(0,0,0,.18)}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.4rem 0 1rem}
.btn-primary,.btn-secondary{display:inline-block;padding:.72rem 1.6rem;border-radius:999px;font-weight:700;font-size:.95rem;letter-spacing:.02em;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease)}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#231a05;box-shadow:0 10px 26px rgba(232,176,75,.42)}
.btn-primary:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 16px 36px rgba(232,176,75,.55);color:#231a05}
.btn-secondary{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.btn-secondary:hover{background:rgba(255,255,255,.26);transform:translateY(-3px) scale(1.02);color:#fff;box-shadow:0 14px 30px rgba(0,0,0,.22)}
.hero-meta{font-size:.8rem;color:rgba(255,255,255,.78);margin:0;letter-spacing:.02em}
#breadcrumb{padding:.9rem 0;border-bottom:1px dashed var(--line)}
#breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;margin:0;padding:0;font-size:.84rem;color:var(--text-3)}
#breadcrumb li{display:flex;align-items:center;gap:.4rem}
#breadcrumb li+li::before{content:"›";color:var(--text-3);opacity:.7}
#breadcrumb a{color:var(--text-2);font-weight:600}
#breadcrumb a:hover{color:var(--accent)}
#brand,#concept,#products,#solutions,#cases,#news,#articles,#knowledge,#faq,#howto,#contact{position:relative}
#brand>p,#concept>p,#products>p,#solutions>p,#cases>p,#news>p,#articles>p,#knowledge>p,#faq>p,#howto>p,#contact>p{background:var(--glass);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);border:1px solid var(--glass-border);border-radius:var(--radius);padding:1.1rem 1.3rem;box-shadow:var(--shadow-sm);margin-bottom:1.3rem}
#brand h3,#concept h3,#products h3,#solutions h3,#cases h3,#news h3,#articles h3,#knowledge h3,#faq h3,#howto h3,#contact h3{margin-top:1.7rem;padding-bottom:.4rem;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:.5rem}
#brand h3::before,#concept h3::before,#products h3::before,#solutions h3::before,#cases h3::before,#news h3::before,#articles h3::before,#knowledge h3::before,#faq h3::before,#howto h3::before,#contact h3::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--primary-2));flex:0 0 auto;box-shadow:0 0 0 4px rgba(232,176,75,.16)}
#products h4,#solutions h4,#howto h4{margin:1.1rem 0 .4rem;padding:.55rem .9rem;border-radius:var(--radius-sm);background:linear-gradient(100deg,var(--surface-2),transparent);border-left:3px solid var(--accent);color:var(--primary-2)}
#articles{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.2rem}
#articles>h2,#articles>p{grid-column:1/-1}
#articles article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.35rem 1.1rem;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);position:relative;overflow:hidden;display:flex;flex-direction:column}
#articles article::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-2),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
#articles article:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(232,176,75,.4)}
#articles article:hover::before{transform:scaleX(1)}
#articles article h3{font-size:1.02rem;margin:.2rem 0 .5rem;border:none;padding:0}
#articles article h3::before{display:none}
#articles article p{font-size:.92rem;margin-bottom:.7rem}
#articles article .article-meta{font-size:.78rem;color:var(--text-3);letter-spacing:.02em;margin-bottom:.6rem}
#articles article a{display:inline-block;margin-top:auto;font-weight:700;font-size:.88rem;padding:.4rem .95rem;border-radius:999px;background:linear-gradient(135deg,rgba(31,58,95,.08),rgba(232,176,75,.14));color:var(--primary-2);transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease)}
#articles article a:hover{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;transform:translateX(3px)}
#cases blockquote{transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
#cases blockquote:hover{transform:translateX(6px);box-shadow:var(--shadow)}
#news h3{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:.85rem 1rem;margin-top:1rem;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
#news h3:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(232,176,75,.4)}
#news h3::before{display:none}
#news h3+p{margin-top:.5rem;padding-left:.2rem}
#faq h3{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.8rem 1rem;margin-top:1rem;cursor:default;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
#faq h3:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(232,176,75,.45)}
#faq h3+p{margin-top:.55rem;padding:0 .2rem}
#howto h4{counter-increment:step}
#howto{position:relative}
#howto h4::before{display:none}
#contact ul:first-of-type{list-style:none;padding:0;display:grid;gap:.6rem}
#contact ul:first-of-type li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.7rem 1rem;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);font-size:.94rem}
#contact ul:first-of-type li:hover{transform:translateX(5px);box-shadow:var(--shadow);border-color:rgba(232,176,75,.45)}
#contact ul:last-of-type,#contact ul:nth-of-type(2){list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.5rem}
#contact ul:last-of-type li,#contact ul:nth-of-type(2) li{margin:0}
#contact ul:last-of-type a,#contact ul:nth-of-type(2) a{display:block;padding:.55rem .9rem;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:.88rem;font-weight:600;color:var(--text-2);text-align:center;transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease)}
#contact ul:last-of-type a:hover,#contact ul:nth-of-type(2) a:hover{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;transform:translateY(-3px);box-shadow:0 10px 22px rgba(31,58,95,.28)}
#site-footer{margin-top:2.5rem;padding:2.6rem 0 1.6rem;background:linear-gradient(160deg,rgba(31,58,95,.06),rgba(232,176,75,.07));border-top:1px solid var(--line);position:relative;overflow:hidden}
#site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-2),var(--accent),var(--primary))}
#site-footer>section{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem 1.4rem}
#site-footer h2{font-size:1.06rem;padding-left:14px}
#site-footer h2::before{width:4px}
#site-footer p{font-size:.9rem;color:var(--text-3)}
#footer-meta{text-align:center;border-top:1px dashed var(--line);padding-top:1.2rem!important;margin-top:.6rem}
#footer-meta p{font-size:.82rem;margin:.3rem 0;color:var(--text-3)}
#footer-meta p:first-child{font-weight:700;color:var(--text-2);letter-spacing:.03em}
@media (prefers-reduced-motion:no-preference){
section,#hero,#articles article,#news h3,#faq h3,#contact ul:first-of-type li{animation:rise .7s var(--ease) both}
#hero{animation-delay:.05s}
#brand{animation-delay:.1s}
#concept{animation-delay:.15s}
#products{animation-delay:.2s}
#solutions{animation-delay:.25s}
#cases{animation-delay:.3s}
#news{animation-delay:.35s}
#articles{animation-delay:.4s}
#knowledge{animation-delay:.45s}
#faq{animation-delay:.5s}
#howto{animation-delay:.55s}
#contact{animation-delay:.6s}
#articles article:nth-child(3n+1){animation-delay:.05s}
#articles article:nth-child(3n+2){animation-delay:.12s}
#articles article:nth-child(3n+3){animation-delay:.19s}
}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-24px,-22px) scale(1.06)}}
@media (max-width:900px){
section{padding:2rem 0;scroll-margin-top:140px}
#hero{padding:2.4rem 1.4rem;border-radius:var(--radius)}
#articles{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
}
@media (max-width:640px){
body{font-size:15px}
.top-bar{padding:.6rem .9rem .3rem}
.top-note{font-size:.74rem}
#main-nav{padding:0 .9rem}
#main-nav a{padding:.38rem .7rem;font-size:.84rem}
main{padding:0 .9rem}
section{padding:1.7rem 0;scroll-margin-top:150px}
#hero{margin-top:1rem;padding:2rem 1.15rem}
.hero-actions{gap:.6rem}
.btn-primary,.btn-secondary{padding:.62rem 1.2rem;font-size:.88rem}
h2{font-size:1.28rem;padding-left:14px}
h2::before{width:4px}
#articles{grid-template-columns:1fr}
#contact ul:last-of-type,#contact ul:nth-of-type(2){grid-template-columns:1fr 1fr}
#site-footer{padding:1.8rem 0 1rem}
blockquote{padding:.85rem 1rem}
#brand>p,#concept>p,#products>p,#solutions>p,#cases>p,#news>p,#articles>p,#knowledge>p,#faq>p,#howto>p,#contact>p{padding:.9rem 1rem;border-radius:var(--radius-sm)}
}
@media (max-width:380px){
#contact ul:last-of-type,#contact ul:nth-of-type(2){grid-template-columns:1fr}
.hero-actions{flex-direction:column;align-items:stretch}
.btn-primary,.btn-secondary{text-align:center}
}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}
a:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:999px}
::selection{background:rgba(232,176,75,.42);color:var(--text)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--primary-2),var(--accent));border-radius:999px;border:2px solid var(--bg)}
@media print{#site-header,#hero::after,#site-footer::before{display:none}body{background:#fff;color:#000}a{color:#000}}