:root{--bg:#f2f5fa;--bg-2:#e8eef7;--surface:#ffffff;--surface-2:#f7f9fc;--text:#101a2b;--text-2:#4a5768;--text-3:#7b8798;--brand:#0b1d3a;--brand-2:#1c3a6b;--accent:#f5a623;--accent-2:#ff8a3d;--line:#dfe6f0;--glass:rgba(255,255,255,.62);--glass-border:rgba(255,255,255,.75);--shadow:0 10px 30px rgba(16,26,43,.08);--shadow-lg:0 20px 50px rgba(16,26,43,.14);--radius:18px;--radius-sm:12px;--radius-lg:28px;--maxw:1180px;--header-h:72px;--ease:cubic-bezier(.22,.61,.36,1)}
@media (prefers-color-scheme:dark){:root{--bg:#070d18;--bg-2:#0b1424;--surface:#0f1a2c;--surface-2:#132239;--text:#eaf0fa;--text-2:#a9b7cc;--text-3:#7d8ca3;--brand:#0b1d3a;--brand-2:#16305a;--accent:#f5a623;--accent-2:#ff9d4d;--line:#1f3050;--glass:rgba(15,26,44,.6);--glass-border:rgba(120,160,220,.18);--shadow:0 10px 30px rgba(0,0,0,.4);--shadow-lg:0 20px 50px rgba(0,0,0,.55)}}
html[data-theme="dark"]{--bg:#070d18;--bg-2:#0b1424;--surface:#0f1a2c;--surface-2:#132239;--text:#eaf0fa;--text-2:#a9b7cc;--text-3:#7d8ca3;--line:#1f3050;--glass:rgba(15,26,44,.6);--glass-border:rgba(120,160,220,.18);--shadow:0 10px 30px rgba(0,0,0,.4);--shadow-lg:0 20px 50px 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:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);background-image:radial-gradient(1200px 600px at 10% -10%,rgba(245,166,35,.10),transparent 60%),radial-gradient(1000px 500px at 100% 0%,rgba(28,58,107,.14),transparent 55%);background-attachment:fixed;overflow-x:hidden}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--brand-2);text-decoration:none;transition:color .25s var(--ease),opacity .25s var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding-left:1.4em}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.35;letter-spacing:.2px;color:var(--text);font-weight:800}
h1{font-size:clamp(1.6rem,3.4vw,2.6rem);letter-spacing:.4px}
h2{font-size:clamp(1.35rem,2.6vw,2rem);position:relative;padding-left:18px}
h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:6px;background:linear-gradient(180deg,var(--accent),var(--accent-2))}
h3{font-size:clamp(1.05rem,1.8vw,1.3rem);color:var(--brand-2)}
html[data-theme="dark"] h3{color:#9fc0f0}
@media (prefers-color-scheme:dark){h3{color:#9fc0f0}}
strong{color:var(--text)}
blockquote{margin:0 0 1em;padding:16px 20px;border-left:4px solid var(--accent);background:var(--surface-2);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-2);font-style:normal}
blockquote p{margin:0}
::selection{background:rgba(245,166,35,.35);color:var(--text)}
#site-header{position:sticky;top:0;z-index:100;background:var(--glass);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--glass-border);box-shadow:0 6px 24px rgba(16,26,43,.06);transition:box-shadow .3s var(--ease)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 22px;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand svg{width:40px;height:40px;border-radius:10px;box-shadow:0 6px 16px rgba(11,29,58,.28);transition:transform .4s var(--ease)}
.brand:hover svg{transform:rotate(-6deg) scale(1.06)}
.brand-name{font-size:1.12rem;font-weight:800;letter-spacing:1px;background:linear-gradient(120deg,var(--brand),var(--brand-2) 55%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
html[data-theme="dark"] .brand-name{background:linear-gradient(120deg,#cfe0ff,#8fb6ea 55%,var(--accent));-webkit-background-clip:text;background-clip:text}
@media (prefers-color-scheme:dark){.brand-name{background:linear-gradient(120deg,#cfe0ff,#8fb6ea 55%,var(--accent));-webkit-background-clip:text;background-clip:text}}
#site-header nav{min-width:0}
#site-header nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
#site-header nav ul::-webkit-scrollbar{display:none}
#site-header nav a{display:inline-block;padding:8px 12px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--text-2);white-space:nowrap;position:relative;transition:color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease)}
#site-header nav a::after{content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:translateX(-50%);transition:width .3s var(--ease)}
#site-header nav a:hover{color:var(--text);background:rgba(245,166,35,.12);transform:translateY(-1px)}
#site-header nav a:hover::after{width:60%}
main{max-width:var(--maxw);margin:0 auto;padding:0 22px 60px}
main>section,main>nav[aria-label="面包屑导航"]{margin-top:34px}
#hero{position:relative;margin-top:26px;padding:clamp(28px,5vw,58px) clamp(22px,4vw,54px);border-radius:var(--radius-lg);background:linear-gradient(135deg,#0b1d3a 0%,#16305a 45%,#1c3a6b 72%,#2a4f8a 100%);color:#eaf0fa;overflow:hidden;box-shadow:var(--shadow-lg);isolation:isolate}
#hero::before{content:"";position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(245,166,35,.55),rgba(245,166,35,0) 68%);filter:blur(10px);z-index:-1;animation:float 12s ease-in-out infinite}
#hero::after{content:"";position:absolute;inset:auto auto -50% -15%;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(120,180,255,.35),rgba(120,180,255,0) 70%);z-index:-1;animation:float 16s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(-30px,26px,0) scale(1.08)}}
#hero h1{color:#fff;text-shadow:0 4px 24px rgba(0,0,0,.35);max-width:22em}
#hero p{color:#cfdcf2;max-width:70ch}
#hero strong{color:var(--accent)}
#hero figure{margin:26px 0 18px;border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);box-shadow:0 18px 40px rgba(0,0,0,.3);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
#hero figure:hover{transform:translateY(-6px) scale(1.01);box-shadow:0 28px 60px rgba(0,0,0,.42)}
#hero figcaption{padding:12px 18px;font-size:.88rem;color:#b9cbe8;background:rgba(0,0,0,.22);border-top:1px solid rgba(255,255,255,.1)}
#hero svg{display:block;width:100%}
main>nav[aria-label="面包屑导航"] ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:10px 16px;background:var(--surface);border:1px solid var(--line);border-radius:999px;font-size:.88rem;color:var(--text-3);box-shadow:var(--shadow);width:fit-content;max-width:100%}
main>nav[aria-label="面包屑导航"] li+li::before{content:"›";margin:0 8px 0 0;color:var(--accent);font-weight:700}
main>nav[aria-label="面包屑导航"] a{color:var(--text-2)}
main>nav[aria-label="面包屑导航"] a:hover{color:var(--accent)}
main>section:not(#hero){background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3.4vw,40px);box-shadow:var(--shadow);position:relative;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);scroll-margin-top:calc(var(--header-h) + 18px)}
main>section:not(#hero):hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(245,166,35,.4)}
main>section:not(#hero)::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(140deg,rgba(245,166,35,.06),transparent 35%)}
#about,#products,#solutions,#cases,#articles,#faq,#howto,#contact{background-image:linear-gradient(180deg,var(--surface-2),var(--surface))}
#products ul,#howto ul,#howto ol,#sitemap ul,#links ul{padding-left:0;list-style:none}
#products ul li,#howto ul li,#howto ol li,#sitemap ul li,#links ul li{position:relative;padding:8px 12px 8px 34px;margin-bottom:8px;border-radius:var(--radius-sm);background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);transition:transform .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease)}
#products ul li::before,#howto ul li::before{content:"";position:absolute;left:13px;top:50%;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));transform:translateY(-50%);box-shadow:0 0 0 4px rgba(245,166,35,.16)}
#products ul li:hover,#howto ul li:hover,#howto ol li:hover,#sitemap ul li:hover,#links ul li:hover{transform:translateX(6px);background:rgba(245,166,35,.1);border-color:rgba(245,166,35,.45);color:var(--text)}
#howto ol{counter-reset:step}
#howto ol li{counter-increment:step;padding-left:46px}
#howto ol li::before{content:counter(step);position:absolute;left:10px;top:50%;transform:translateY(-50%);width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:.78rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand-2),var(--accent))}
#sitemap ul,#links ul{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
#sitemap ul li,#links ul li{margin:0;padding:10px 14px}
#sitemap ul li::before,#links ul li::before{content:"→";position:absolute;left:10px;color:var(--accent);font-weight:700}
#sitemap ul li{padding-left:32px}
#links ul li{padding-left:32px}
#sitemap a,#links a{font-weight:600;color:var(--text-2);display:block}
#sitemap a:hover,#links a:hover{color:var(--accent)}
#articles>article,#article-bodies>article{position:relative;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin-bottom:18px;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease)}
#articles>article::before,#article-bodies>article::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--accent),var(--accent-2));opacity:.85;transition:width .3s var(--ease)}
#articles>article:hover,#article-bodies>article:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(245,166,35,.45)}
#articles>article:hover::before,#article-bodies>article:hover::before{width:6px}
#articles>article h3,#article-bodies>article h3{margin-bottom:.35em}
#articles>article p:first-of-type{font-size:.84rem;color:var(--text-3);letter-spacing:.4px;margin-bottom:.7em}
#articles>article a{display:inline-flex;align-items:center;gap:6px;margin-top:6px;padding:7px 16px;border-radius:999px;font-size:.86rem;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--brand-2),var(--brand));box-shadow:0 8px 18px rgba(28,58,107,.28);transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease)}
#articles>article a::after{content:"→";transition:transform .28s var(--ease)}
#articles>article a:hover{color:#fff;background:linear-gradient(135deg,var(--accent-2),var(--accent));transform:translateY(-2px);box-shadow:0 12px 26px rgba(245,166,35,.4)}
#articles>article a:hover::after{transform:translateX(4px)}
#article-bodies>article>p{color:var(--text-2);text-align:justify}
#article-bodies>article h3{padding-bottom:.4em;border-bottom:1px dashed var(--line)}
#faq details{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0;margin-bottom:12px;overflow:hidden;transition:border-color .3s var(--ease),box-shadow .3s var(--ease),transform .3s var(--ease)}
#faq details:hover{border-color:rgba(245,166,35,.5);box-shadow:var(--shadow)}
#faq details[open]{border-color:rgba(245,166,35,.6);box-shadow:var(--shadow);background:var(--surface)}
#faq summary{list-style:none;cursor:pointer;padding:16px 52px 16px 20px;font-weight:700;color:var(--text);position:relative;user-select:none;transition:color .25s var(--ease),background .25s var(--ease)}
#faq summary::-webkit-details-marker{display:none}
#faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:1.1rem;font-weight:700;line-height:1;color:var(--accent);background:rgba(245,166,35,.14);transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease)}
#faq details[open] summary{color:var(--accent)}
#faq details[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff}
#faq summary:hover{background:rgba(245,166,35,.08)}
#faq details p{margin:0;padding:0 20px 18px;color:var(--text-2);animation:fadeSlide .4s var(--ease)}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
#news h3{margin-top:1.2em}
#news h3:first-of-type{margin-top:0}
#news p{color:var(--text-2)}
#news h3+p{position:relative;padding-left:16px;border-left:3px solid rgba(245,166,35,.45);margin-bottom:1.4em}
#cases blockquote{transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
#cases blockquote:hover{transform:translateX(6px);box-shadow:var(--shadow)}
#contact p{color:var(--text-2);line-height:2}
#contact p:first-of-type{padding:18px 22px;background:var(--surface-2);border:1px dashed var(--line);border-radius:var(--radius-sm)}
#legal p{color:var(--text-2)}
#legal h3{margin-top:1.2em}
#legal h3:first-of-type{margin-top:0}
#notes h3{color:var(--brand-2)}
html[data-theme="dark"] #notes h3{color:#9fc0f0}
@media (prefers-color-scheme:dark){#notes h3{color:#9fc0f0}}
footer{position:relative;margin-top:50px;padding:46px 22px 34px;text-align:center;color:#c3d3ec;background:linear-gradient(160deg,#0b1d3a,#16305a 60%,#1c3a6b);border-top:1px solid rgba(255,255,255,.08);overflow:hidden}
footer::before{content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:600px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(245,166,35,.35),transparent 70%);pointer-events:none}
footer p{margin:0 0 10px;font-size:.92rem;position:relative}
footer p:nth-child(2){color:#9fb4d6;font-size:.86rem;letter-spacing:.5px}
footer a{display:inline-block;margin-top:6px;padding:8px 22px;border-radius:999px;font-weight:700;font-size:.88rem;color:#0b1d3a;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 10px 24px rgba(245,166,35,.35);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
footer a:hover{color:#0b1d3a;transform:translateY(-3px);box-shadow:0 16px 32px rgba(245,166,35,.5)}
main>section{opacity:0;transform:translateY(28px);animation:reveal .8s var(--ease) forwards}
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(n+6){animation-delay:.22s}
@keyframes reveal{to{opacity:1;transform:translateY(0)}}
#articles>article,#article-bodies>article,#faq details,#cases blockquote,#products ul li,#howto ol li,#howto ul li{opacity:0;transform:translateY(16px);animation:reveal .7s var(--ease) forwards}
#articles>article:nth-child(2),#article-bodies>article:nth-child(2){animation-delay:.05s}
#articles>article:nth-child(3),#article-bodies>article:nth-child(3){animation-delay:.1s}
#articles>article:nth-child(4),#article-bodies>article:nth-child(4){animation-delay:.15s}
#articles>article:nth-child(5),#article-bodies>article:nth-child(5){animation-delay:.2s}
#articles>article:nth-child(n+6),#article-bodies>article:nth-child(n+6){animation-delay:.25s}
#faq details:nth-child(2){animation-delay:.03s}
#faq details:nth-child(3){animation-delay:.06s}
#faq details:nth-child(4){animation-delay:.09s}
#faq details:nth-child(5){animation-delay:.12s}
#faq details:nth-child(n+6){animation-delay:.15s}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}main>section,#articles>article,#article-bodies>article,#faq details,#cases blockquote,#products ul li,#howto ol li,#howto ul li{opacity:1;transform:none}}
@media (max-width:1024px){:root{--header-h:64px}.header-inner{padding:0 18px;gap:14px}.brand-name{font-size:1rem}#site-header nav a{padding:7px 10px;font-size:.85rem}}
@media (max-width:860px){.header-inner{flex-direction:column;align-items:stretch;height:auto;padding:12px 18px;gap:10px}#site-header nav ul{justify-content:flex-start;padding-bottom:2px}.brand{justify-content:center}#site-header{position:sticky}main{padding:0 16px 50px}main>section:not(#hero){padding:22px 18px;border-radius:16px}#hero{padding:30px 20px;border-radius:22px}#hero h1{font-size:clamp(1.4rem,5.4vw,2rem)}#hero p{font-size:.95rem}#sitemap ul,#links ul{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}#articles>article,#article-bodies>article{padding:18px 16px}}
@media (max-width:560px){body{font-size:15px;line-height:1.75}h2{padding-left:14px;font-size:1.28rem}h2::before{width:5px}.brand svg{width:34px;height:34px}#site-header nav a{font-size:.8rem;padding:6px 9px}#hero{padding:26px 16px}#hero figure{margin:18px 0 14px}#hero figcaption{font-size:.8rem;padding:10px 14px}#faq summary{padding:14px 46px 14px 16px;font-size:.95rem}#faq details p{padding:0 16px 16px}#products ul li,#howto ul li,#howto ol li{padding-left:30px;font-size:.94rem}#howto ol li{padding-left:42px}#sitemap ul,#links ul{grid-template-columns:1fr 1fr}footer{padding:36px 16px 28px}}
@media (min-width:1400px){:root{--maxw:1240px}}
@media print{#site-header,footer,#sitemap,#links,#contact{display:none}body{background:#fff;color:#000}main>section{box-shadow:none;border:1px solid #ccc;opacity:1;transform:none;animation:none}}