:root{--green-900:#123d1a;--green-800:#1b5e20;--green-700:#2e7d32;--green-600:#388e3c;--green-500:#43a047;--green-400:#66bb6a;--green-300:#a5d6a7;--green-100:#e8f5e9;--accent:#00bfa6;--accent-2:#8bc34a;--bg:#f4faf5;--surface:rgba(255,255,255,.72);--surface-solid:#ffffff;--text:#1c2b1f;--text-soft:#4a5d4e;--border:rgba(46,125,50,.16);--shadow:0 8px 30px rgba(18,61,26,.10);--shadow-hover:0 16px 44px rgba(18,61,26,.18);--radius:18px;--radius-sm:12px;--radius-lg:26px;--maxw:1180px;--ease:cubic-bezier(.22,.61,.36,1)}
@media (prefers-color-scheme:dark){:root{--bg:#0b1510;--surface:rgba(20,34,26,.62);--surface-solid:#12211a;--text:#e6f2e9;--text-soft:#a9c2b1;--border:rgba(102,187,106,.22);--shadow:0 8px 30px rgba(0,0,0,.45);--shadow-hover:0 16px 44px rgba(0,0,0,.6);--green-100:#16301f}}
*,*::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:1.75;color:var(--text);background:var(--bg);background-image:radial-gradient(1200px 600px at 85% -10%,rgba(0,191,166,.10),transparent 60%),radial-gradient(900px 500px at -10% 20%,rgba(102,187,106,.12),transparent 55%);background-attachment:fixed;transition:background-color .35s var(--ease),color .35s var(--ease);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--green-600);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3{line-height:1.3;font-weight:700;letter-spacing:.2px;margin:0 0 .6em}
h1{font-size:clamp(1.7rem,4.2vw,2.9rem)}
h2{font-size:clamp(1.4rem,2.8vw,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(--green-500),var(--accent))}
h3{font-size:clamp(1.05rem,1.8vw,1.25rem);color:var(--green-700)}
@media (prefers-color-scheme:dark){h3{color:var(--green-300)}}
p{margin:0 0 1em;color:var(--text-soft)}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin:.35em 0;color:var(--text-soft)}
header{position:sticky;top:0;z-index:100;backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 2px 18px rgba(18,61,26,.06)}
nav[aria-label="主导航"]{max-width:var(--maxw);margin:0 auto;padding:.7rem 1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
nav[aria-label="主导航"]>a{font-weight:800;font-size:1.12rem;letter-spacing:.4px;background:linear-gradient(90deg,var(--green-700),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
nav[aria-label="主导航"]>a:hover{filter:brightness(1.12)}
nav[aria-label="主导航"] ul{list-style:none;display:flex;flex-wrap:wrap;gap:.25rem;margin:0;padding:0}
nav[aria-label="主导航"] ul a{display:inline-block;padding:.42rem .78rem;border-radius:999px;font-size:.92rem;font-weight:500;color:var(--text-soft);transition:all .25s var(--ease)}
nav[aria-label="主导航"] ul a:hover,nav[aria-label="主导航"] ul a:focus-visible{color:#fff;background:linear-gradient(135deg,var(--green-600),var(--accent));box-shadow:0 6px 18px rgba(0,191,166,.3);transform:translateY(-2px);outline:none}
main{max-width:var(--maxw);margin:0 auto;padding:1.2rem 1.2rem 3rem}
section{background:var(--surface);backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:clamp(1.2rem,3vw,2.4rem);margin:1.4rem 0;transition:box-shadow .35s var(--ease),transform .35s var(--ease),border-color .35s var(--ease)}
section:hover{box-shadow:var(--shadow-hover);border-color:rgba(0,191,166,.35)}
#banner{position:relative;overflow:hidden;border:none;color:#fff;padding:clamp(2.2rem,6vw,4.2rem) clamp(1.4rem,4vw,3rem);background:linear-gradient(120deg,#1b5e20 0%,#2e7d32 32%,#00bfa6 72%,#8bc34a 100%);background-size:200% 200%;animation:gradientShift 14s ease infinite;box-shadow:0 18px 50px rgba(27,94,32,.35)}
#banner::after{content:"";position:absolute;inset:auto -10% -60% auto;width:60%;height:120%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%);pointer-events:none}
#banner h1{color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.18);max-width:22ch}
#banner p{color:rgba(255,255,255,.94);max-width:62ch;font-size:clamp(1rem,1.6vw,1.12rem);margin-bottom:0}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
nav[aria-label="面包屑"]{margin:1rem 0 .2rem}
nav[aria-label="面包屑"] ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:.35rem;margin:0;padding:.55rem .95rem;font-size:.86rem;background:var(--surface);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:999px;width:fit-content;max-width:100%}
nav[aria-label="面包屑"] li{display:flex;align-items:center;margin:0;color:var(--text-soft)}
nav[aria-label="面包屑"] li+li::before{content:"/";margin-right:.35rem;color:var(--green-400);opacity:.7}
#about,#products,#solutions,#cases,#howto,#faq,#contact,#sitemap,#links{scroll-margin-top:88px}
#about h3,#products h3,#solutions h3,#howto h3{margin-top:1.4em;display:flex;align-items:center;gap:.5rem}
#about h3::before,#products h3::before,#solutions h3::before,#howto h3::before{content:"";width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--green-500),var(--accent));flex:none;transform:rotate(45deg)}
#products,#solutions{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem;align-items:start}
#products>h2,#solutions>h2{grid-column:1/-1}
#products>h3,#products>p,#solutions>h3,#solutions>p{background:var(--surface-solid);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem 1.2rem;margin:0;box-shadow:0 4px 16px rgba(18,61,26,.05);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
#products>h3,#solutions>h3{color:var(--green-700);border-bottom:3px solid transparent;border-image:linear-gradient(90deg,var(--green-500),var(--accent)) 1;border-image-slice:0 0 3 0}
@media (prefers-color-scheme:dark){#products>h3,#solutions>h3{color:var(--green-300)}}
#products>h3:hover,#products>p:hover,#solutions>h3:hover,#solutions>p:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,191,166,.4)}
#products>h3+p,#solutions>h3+p{grid-column:auto}
#products>h2+p,#solutions>h2+p{grid-column:1/-1}
#cases p{max-width:75ch}
#cases h3{margin-top:1.2rem}
#articles{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.2rem}
#articles>h2{grid-column:1/-1}
#articles article{position:relative;display:flex;flex-direction:column;gap:.35rem;background:var(--surface-solid);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.3rem;box-shadow:0 4px 16px rgba(18,61,26,.05);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease)}
#articles article::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--green-500),var(--accent),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
#articles article:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(0,191,166,.4)}
#articles article:hover::before{transform:scaleX(1)}
#articles article h3{margin:0;font-size:1.06rem;line-height:1.45}
#articles article p{margin:0;font-size:.9rem}
#articles article p:first-of-type{font-size:.8rem;color:var(--green-600);font-weight:600;letter-spacing:.3px;opacity:.9}
@media (prefers-color-scheme:dark){#articles article p:first-of-type{color:var(--green-300)}}
#articles article a{align-self:flex-start;margin-top:auto;padding:.45rem 1rem;font-size:.86rem;font-weight:600;border-radius:999px;color:#fff;background:linear-gradient(135deg,var(--green-600),var(--accent));box-shadow:0 6px 16px rgba(0,191,166,.28);transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease)}
#articles article a:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 10px 24px rgba(0,191,166,.4)}
#howto{background:linear-gradient(160deg,var(--surface),rgba(232,245,233,.55))}
#howto ol{padding-left:1.3em}
#howto h3:last-of-type+p{margin-bottom:0}
#faq dl{margin:0;display:grid;grid-template-columns:1fr;gap:.7rem}
#faq dt{font-weight:700;color:var(--green-700);background:var(--surface-solid);border:1px solid var(--border);border-bottom:none;border-radius:var(--radius-sm) var(--radius-sm) 0 0;padding:.85rem 1.1rem;position:relative;padding-left:2.4rem;transition:background .25s var(--ease),color .25s var(--ease)}
#faq dt::before{content:"Q";position:absolute;left:.9rem;top:.85rem;width:1.25rem;height:1.25rem;display:grid;place-items:center;font-size:.72rem;font-weight:800;color:#fff;border-radius:50%;background:linear-gradient(135deg,var(--green-600),var(--accent))}
#faq dd{margin:0 0 .2rem;padding:.85rem 1.1rem .95rem 2.4rem;background:var(--surface-solid);border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius-sm) var(--radius-sm);color:var(--text-soft);position:relative;transition:background .25s var(--ease)}
#faq dd::before{content:"A";position:absolute;left:.9rem;top:.85rem;width:1.25rem;height:1.25rem;display:grid;place-items:center;font-size:.72rem;font-weight:800;color:var(--green-700);border-radius:50%;background:var(--green-100)}
#faq dt:hover{background:linear-gradient(135deg,rgba(46,125,50,.08),rgba(0,191,166,.08))}
#faq dt:hover+dd{background:linear-gradient(135deg,rgba(46,125,50,.04),rgba(0,191,166,.04))}
@media (prefers-color-scheme:dark){#faq dt{color:var(--green-300)}#faq dd::before{color:var(--green-300)}}
#contact{background:linear-gradient(150deg,rgba(27,94,32,.92),rgba(0,191,166,.85));color:#fff;border:none;box-shadow:0 18px 50px rgba(27,94,32,.3)}
#contact h2{color:#fff}
#contact h2::before{background:linear-gradient(180deg,#fff,rgba(255,255,255,.6))}
#contact p{color:rgba(255,255,255,.95);margin:.45em 0;padding-left:1.1rem;position:relative}
#contact p::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.85)}
#contact p:last-of-type{margin-bottom:0;font-weight:600}
#sitemap ul,#links ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.5rem;margin:0}
#sitemap li,#links li{margin:0}
#sitemap a,#links a{display:inline-block;padding:.42rem .95rem;font-size:.9rem;font-weight:500;border-radius:999px;border:1px solid var(--border);background:var(--surface-solid);color:var(--text-soft);transition:all .25s var(--ease)}
#sitemap a:hover,#links a:hover{color:#fff;background:linear-gradient(135deg,var(--green-600),var(--accent));border-color:transparent;transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,191,166,.3)}
footer{max-width:var(--maxw);margin:0 auto;padding:1.8rem 1.2rem 2.6rem;border-top:1px solid var(--border);text-align:center}
footer p{margin:.4em 0;font-size:.84rem;color:var(--text-soft)}
footer p:last-of-type{font-size:.78rem;opacity:.8}
main>section,main>nav,#articles article{animation:fadeUp .7s var(--ease) both}
main>section:nth-of-type(1){animation-delay:.05s}
main>section:nth-of-type(2){animation-delay:.1s}
main>section:nth-of-type(3){animation-delay:.15s}
main>section:nth-of-type(4){animation-delay:.2s}
main>section:nth-of-type(5){animation-delay:.25s}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
@supports (animation-timeline:view()){main>section,#articles article{animation:fadeUp .7s var(--ease) both;animation-timeline:view();animation-range:entry 0% entry 28%}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(0,191,166,.3);color:var(--text)}
@media (max-width:768px){
nav[aria-label="主导航"]{padding:.6rem .9rem;gap:.5rem}
nav[aria-label="主导航"]>a{font-size:1.02rem}
nav[aria-label="主导航"] ul{width:100%;justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:.15rem;scrollbar-width:none;-ms-overflow-style:none}
nav[aria-label="主导航"] ul::-webkit-scrollbar{display:none}
nav[aria-label="主导航"] ul a{white-space:nowrap;font-size:.86rem;padding:.36rem .7rem}
main{padding:.9rem .9rem 2.4rem}
section{border-radius:var(--radius);padding:1.15rem 1.05rem;margin:1rem 0}
#banner{border-radius:var(--radius);padding:2rem 1.2rem}
#banner h1{max-width:none}
#products,#solutions{grid-template-columns:1fr}
#articles{grid-template-columns:1fr}
#faq dt,#faq dd{padding-left:2.15rem}
#faq dt::before,#faq dd::before{left:.7rem}
footer{padding:1.5rem .9rem 2.2rem}
}
@media (max-width:420px){
h2{font-size:1.25rem;padding-left:14px}
#banner h1{font-size:1.5rem}
#contact p{font-size:.92rem}
}
@media print{
header,nav[aria-label="面包屑"],footer,#sitemap,#links{display:none}
body{background:#fff;color:#000}
section{box-shadow:none;border:1px solid #ccc;background:#fff;backdrop-filter:none}
#banner,#contact{background:#eee!important;color:#000!important}
#banner h1,#banner p,#contact h2,#contact p{color:#000!important;text-shadow:none}
a{color:#000;text-decoration:underline}
}