:root{--brand:#1a5cff;--brand-2:#6b3cff;--brand-3:#00c2ff;--accent:#ff4d8d;--bg:#f5f7fc;--bg-2:#ffffff;--card:#ffffff;--text:#1b2233;--text-2:#5a6478;--line:rgba(26,92,255,.12);--glass:rgba(255,255,255,.62);--glass-brd:rgba(255,255,255,.55);--shadow:0 10px 30px rgba(26,60,140,.10);--shadow-hover:0 18px 44px rgba(26,60,140,.20);--radius:20px;--radius-sm:12px;--radius-pill:999px;--maxw:1180px;--ease:cubic-bezier(.22,.61,.36,1)}
@media (prefers-color-scheme:dark){
:root{--bg:#0b1020;--bg-2:#101830;--card:#141d36;--text:#eaf0ff;--text-2:#a7b3d0;--line:rgba(120,160,255,.18);--glass:rgba(20,29,54,.55);--glass-brd:rgba(120,160,255,.22);--shadow:0 10px 30px rgba(0,0,0,.45);--shadow-hover:0 18px 44px rgba(0,0,0,.6)}
}
*,*::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","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(900px 500px at 12% -8%,rgba(26,92,255,.16),transparent 60%),radial-gradient(800px 480px at 92% 4%,rgba(107,60,255,.14),transparent 60%),radial-gradient(700px 460px at 50% 110%,rgba(0,194,255,.12),transparent 60%);pointer-events:none}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease),opacity .25s var(--ease)}
a:hover{color:var(--brand-2)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(26,92,255,.45);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .6em;font-weight:800;letter-spacing:.2px}
h1{font-size:clamp(1.7rem,4.2vw,2.9rem)}
h2{font-size:clamp(1.35rem,2.8vw,2rem)}
h3{font-size:clamp(1.08rem,1.9vw,1.3rem)}
p{margin:0 0 1em;color:var(--text-2)}
ul,ol{margin:0 0 1em;padding-left:1.35em}
li{margin:.3em 0;color:var(--text-2)}
strong{color:var(--text)}
header[role="banner"]{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-brd);box-shadow:0 2px 20px rgba(20,40,100,.06)}
.topbar{display:flex;flex-wrap:wrap;gap:.4em 1.6em;justify-content:space-between;align-items:center;max-width:var(--maxw);margin:0 auto;padding:.45em 1.4em;font-size:.8rem;color:var(--text-2);border-bottom:1px solid var(--line)}
.topbar span{display:inline-flex;align-items:center;gap:.4em}
.topbar span:first-child{font-weight:600;color:var(--brand)}
nav[aria-label="主导航"]{display:flex;flex-wrap:wrap;align-items:center;gap:.8em 1.6em;max-width:var(--maxw);margin:0 auto;padding:.7em 1.4em}
nav[aria-label="主导航"] .brand{flex:0 0 auto}
nav[aria-label="主导航"] .brand a{display:inline-block;font-size:1.12rem;font-weight:900;letter-spacing:.5px;background:linear-gradient(120deg,var(--brand),var(--brand-2) 55%,var(--brand-3));-webkit-background-clip:text;background-clip:text;color:transparent;transition:transform .3s var(--ease),filter .3s var(--ease)}
nav[aria-label="主导航"] .brand a:hover{transform:translateY(-1px);filter:brightness(1.12)}
nav[aria-label="主导航"] ul{display:flex;flex-wrap:wrap;gap:.2em .3em;list-style:none;margin:0;padding:0;flex:1 1 auto}
nav[aria-label="主导航"] ul li{margin:0}
nav[aria-label="主导航"] ul a{display:inline-block;padding:.42em .78em;border-radius:var(--radius-pill);font-size:.92rem;font-weight:600;color:var(--text-2);transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease)}
nav[aria-label="主导航"] ul a:hover{background:linear-gradient(120deg,rgba(26,92,255,.14),rgba(107,60,255,.12));color:var(--brand);transform:translateY(-2px)}
nav[aria-label="主导航"] form[role="search"]{display:flex;align-items:center;gap:.4em;flex:0 1 auto}
nav[aria-label="主导航"] form[role="search"] label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
nav[aria-label="主导航"] form[role="search"] input[type="search"]{width:180px;max-width:46vw;padding:.5em .95em;font-size:.9rem;color:var(--text);background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-pill);transition:box-shadow .25s var(--ease),border-color .25s var(--ease),width .3s var(--ease)}
nav[aria-label="主导航"] form[role="search"] input[type="search"]::placeholder{color:var(--text-2);opacity:.75}
nav[aria-label="主导航"] form[role="search"] input[type="search"]:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(26,92,255,.16);width:220px}
nav[aria-label="主导航"] form[role="search"] button{padding:.5em 1.05em;font-size:.9rem;font-weight:700;color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));border:0;border-radius:var(--radius-pill);cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease)}
nav[aria-label="主导航"] form[role="search"] button:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(26,92,255,.35);filter:brightness(1.05)}
main{display:block;max-width:var(--maxw);margin:0 auto;padding:1.6em 1.4em 3em}
nav[aria-label="面包屑导航"] ol{display:flex;flex-wrap:wrap;gap:.35em;list-style:none;margin:0 0 1.4em;padding:.6em 1em;font-size:.84rem;color:var(--text-2);background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-brd);border-radius:var(--radius-pill)}
nav[aria-label="面包屑导航"] ol li{display:inline-flex;align-items:center;margin:0}
nav[aria-label="面包屑导航"] ol li+li::before{content:"›";margin-right:.4em;color:var(--text-2);opacity:.6}
nav[aria-label="面包屑导航"] ol li[aria-current="page"]{color:var(--brand);font-weight:700}
section{position:relative;margin:0 0 2em;padding:2em 1.8em;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease)}
section:hover{box-shadow:var(--shadow-hover);border-color:rgba(26,92,255,.28)}
section>h2{position:relative;padding-left:.85em;margin-bottom:1.1em}
section>h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:6px;background:linear-gradient(180deg,var(--brand),var(--brand-2) 55%,var(--brand-3))}
section>h3{color:var(--text);margin-top:1.4em}
#banner{position:relative;overflow:hidden;padding:3.2em 2.2em;border:0;border-radius:calc(var(--radius) + 6px);background:linear-gradient(125deg,#1a5cff 0%,#4a3aff 42%,#6b3cff 68%,#00c2ff 100%);background-size:200% 200%;animation:bannerFlow 16s ease-in-out infinite;box-shadow:0 24px 60px rgba(26,60,180,.35);color:#fff}
#banner::before{content:"";position:absolute;inset:-40% -20% auto auto;width:640px;height:640px;background:radial-gradient(circle,rgba(255,255,255,.28),transparent 62%);pointer-events:none}
#banner::after{content:"";position:absolute;left:-15%;bottom:-55%;width:560px;height:560px;background:radial-gradient(circle,rgba(0,194,255,.4),transparent 65%);pointer-events:none}
@keyframes bannerFlow{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
#banner h1{position:relative;z-index:1;color:#fff;text-shadow:0 4px 24px rgba(0,20,80,.35);margin-bottom:.5em}
#banner p{position:relative;z-index:1;color:rgba(255,255,255,.92);max-width:62em;font-size:1.02rem}
#banner figure{position:relative;z-index:1;margin:1.8em 0 0;border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 48px rgba(0,20,80,.35);border:1px solid rgba(255,255,255,.35);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
#banner figure:hover{transform:translateY(-6px) scale(1.008);box-shadow:0 26px 60px rgba(0,20,80,.45)}
#banner figure svg{width:100%;height:auto}
#banner figcaption{margin-top:.8em;font-size:.85rem;color:rgba(255,255,255,.82);text-align:center}
nav[aria-label="页内锚点导航"]{margin:0 0 2em;padding:1.6em 1.8em;background:var(--glass);backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);border:1px solid var(--glass-brd);border-radius:var(--radius);box-shadow:var(--shadow)}
nav[aria-label="页内锚点导航"] h2{font-size:1.05rem;margin-bottom:.9em;color:var(--text)}
nav[aria-label="页内锚点导航"] ul{display:flex;flex-wrap:wrap;gap:.55em;list-style:none;margin:0;padding:0}
nav[aria-label="页内锚点导航"] ul li{margin:0}
nav[aria-label="页内锚点导航"] ul a{display:inline-block;padding:.42em 1em;font-size:.86rem;font-weight:600;color:var(--text-2);background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-pill);transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
nav[aria-label="页内锚点导航"] ul a:hover{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));border-color:transparent;transform:translateY(-3px);box-shadow:0 10px 22px rgba(26,92,255,.32)}
#products ul,#services ul,#scenes ul,#solutions ul,#knowledge ul{list-style:none;padding:0;display:grid;gap:.7em}
#articles{display:grid;gap:1.1em}
#articles>p{grid-column:1/-1}
#articles article{position:relative;padding:1.4em 1.5em;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:0 4px 14px rgba(20,50,120,.06);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease)}
#articles article::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--brand),var(--brand-3));transform:scaleY(0);transform-origin:top;transition:transform .4s var(--ease)}
#articles article:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(26,92,255,.3)}
#articles article:hover::before{transform:scaleY(1)}
#articles article h3{margin-top:0;color:var(--text);transition:color .25s var(--ease)}
#articles article:hover h3{color:var(--brand)}
#articles article p:nth-of-type(1){font-size:.82rem;color:var(--text-2);opacity:.9;display:inline-block;padding:.18em .75em;background:rgba(26,92,255,.08);border-radius:var(--radius-pill);margin-bottom:.7em}
#articles article p:last-child{margin-bottom:0}
#articles article a{display:inline-flex;align-items:center;gap:.35em;font-weight:700;font-size:.92rem;color:var(--brand);transition:gap .25s var(--ease),color .25s var(--ease)}
#articles article a::after{content:"→";transition:transform .25s var(--ease)}
#articles article a:hover{gap:.6em;color:var(--brand-2)}
#articles article a:hover::after{transform:translateX(3px)}
blockquote{position:relative;margin:1em 0;padding:1.1em 1.3em 1.1em 3em;background:linear-gradient(120deg,rgba(26,92,255,.07),rgba(107,60,255,.05));border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--radius-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
blockquote::before{content:"“";position:absolute;left:.5em;top:.05em;font-size:2.6rem;line-height:1;font-weight:900;color:var(--brand);opacity:.35}
blockquote p{margin:0;color:var(--text);font-style:italic}
blockquote:hover{transform:translateX(4px);box-shadow:0 10px 26px rgba(26,92,255,.14)}
#howto ol{counter-reset:step;list-style:none;padding:0;display:grid;gap:.65em}
#howto ol li{position:relative;counter-increment:step;padding:.85em 1em .85em 3.1em;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
#howto ol li::before{content:counter(step);position:absolute;left:.8em;top:50%;transform:translateY(-50%);width:1.7em;height:1.7em;display:grid;place-items:center;font-size:.85rem;font-weight:800;color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));border-radius:50%;box-shadow:0 4px 12px rgba(26,92,255,.35)}
#howto ol li:hover{transform:translateX(5px);border-color:rgba(26,92,255,.32);box-shadow:0 8px 22px rgba(26,92,255,.14)}
#faq h3{position:relative;margin-top:1.5em;padding:.85em 1.1em;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm) var(--radius-sm) 0 0;color:var(--text);cursor:default;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
#faq h3::after{content:"?";position:absolute;right:1em;top:50%;transform:translateY(-50%);width:1.5em;height:1.5em;display:grid;place-items:center;font-size:.82rem;font-weight:800;color:var(--brand);background:rgba(26,92,255,.12);border-radius:50%;transition:transform .35s var(--ease),background .3s var(--ease),color .3s var(--ease)}
#faq h3:hover{background:linear-gradient(120deg,rgba(26,92,255,.12),rgba(107,60,255,.1));border-color:rgba(26,92,255,.3)}
#faq h3:hover::after{transform:translateY(-50%) rotate(180deg);background:var(--brand);color:#fff}
#faq h3+p{margin:0 0 1em;padding:1em 1.1em;background:var(--bg-2);border:1px solid var(--line);border-top:0;border-radius:0 0 var(--radius-sm) var(--radius-sm);transition:box-shadow .3s var(--ease)}
#faq h3+p:hover{box-shadow:0 8px 20px rgba(26,92,255,.1)}
#notice{background:linear-gradient(135deg,rgba(255,77,141,.06),rgba(26,92,255,.05));border-color:rgba(255,77,141,.22)}
#notice h2::before{background:linear-gradient(180deg,var(--accent),var(--brand-2))}
#contact address{font-style:normal;display:grid;gap:.35em;padding:1.2em 1.4em;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:1.4em}
#contact address p{margin:0;color:var(--text-2)}
#contact address a{font-weight:700}
#contact ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.5em}
#contact ul li{margin:0}
#contact ul a{display:inline-block;padding:.38em .95em;font-size:.86rem;font-weight:600;color:var(--text-2);background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-pill);transition:transform .25s var(--ease),color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
#contact ul a:hover{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));border-color:transparent;transform:translateY(-3px);box-shadow:0 10px 22px rgba(26,92,255,.3)}
footer{max-width:var(--maxw);margin:0 auto;padding:2em 1.4em 3em;text-align:center;border-top:1px solid var(--line);color:var(--text-2);font-size:.86rem}
footer p{margin:.35em 0;color:var(--text-2)}
footer a{font-weight:600}
footer a:hover{text-decoration:underline}
@supports (animation-timeline:view()){
section,#articles article,nav[aria-label="页内锚点导航"],#howto ol li{animation:revealUp .9s var(--ease) both;animation-timeline:view();animation-range:entry 0% entry 28%}
}
@keyframes revealUp{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}
@media (min-width:860px){
#articles{grid-template-columns:repeat(2,1fr)}
#articles article:first-of-type{grid-column:1/-1}
#products ul,#services ul,#scenes ul,#solutions ul,#knowledge ul{grid-template-columns:repeat(2,1fr)}
#howto ol{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
nav[aria-label="主导航"]{padding:.6em 1em}
nav[aria-label="主导航"] ul a{font-size:.86rem;padding:.36em .6em}
nav[aria-label="主导航"] form[role="search"] input[type="search"]{width:140px}
nav[aria-label="主导航"] form[role="search"] input[type="search"]:focus{width:170px}
}
@media (max-width:640px){
body{font-size:15px}
.topbar{justify-content:center;text-align:center;padding:.45em .9em;font-size:.74rem}
nav[aria-label="主导航"]{gap:.5em;padding:.6em .9em}
nav[aria-label="主导航"] .brand{width:100%}
nav[aria-label="主导航"] .brand a{font-size:1.05rem}
nav[aria-label="主导航"] ul{order:3;width:100%;justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:.2em;scrollbar-width:none;-webkit-overflow-scrolling:touch}
nav[aria-label="主导航"] ul::-webkit-scrollbar{display:none}
nav[aria-label="主导航"] ul a{white-space:nowrap;font-size:.84rem}
nav[aria-label="主导航"] form[role="search"]{order:2;width:100%}
nav[aria-label="主导航"] form[role="search"] input[type="search"]{flex:1 1 auto;width:auto;max-width:none}
nav[aria-label="主导航"] form[role="search"] input[type="search"]:focus{width:auto}
main{padding:1.1em .9em 2.4em}
nav[aria-label="面包屑导航"] ol{font-size:.76rem;padding:.5em .8em;border-radius:var(--radius-sm)}
#banner{padding:2em 1.2em;border-radius:var(--radius)}
#banner p{font-size:.95rem}
section{padding:1.4em 1.1em;border-radius:var(--radius-sm);margin-bottom:1.3em}
section>h2{padding-left:.7em;margin-bottom:.9em}
section>h2::before{width:5px}
nav[aria-label="页内锚点导航"]{padding:1.1em;border-radius:var(--radius-sm)}
nav[aria-label="页内锚点导航"] ul a{font-size:.8rem;padding:.36em .8em}
#articles article{padding:1.1em 1.1em 1.1em 1.2em}
#howto ol li{padding:.75em .8em .75em 2.8em}
#faq h3{padding:.75em .9em;font-size:1rem}
#faq h3::after{right:.7em;width:1.35em;height:1.35em}
#faq h3+p{padding:.85em .9em}
footer{padding:1.6em .9em 2.4em;font-size:.8rem}
}
@media (max-width:380px){
#banner{padding:1.6em 1em}
#banner h1{font-size:1.5rem}
section{padding:1.2em .9em}
}