*{margin:0;padding:0;box-sizing:border-box}
:root{
--brand:#1f6f5c;
--brand-dark:#155043;
--brand-light:#e8f3ef;
--accent:#d98a3d;
--accent-soft:#f6e6d3;
--text:#1c2321;
--muted:#5b6b66;
--bg:#ffffff;
--bg-soft:#f5f8f7;
--line:#dce6e2;
--glass:rgba(255,255,255,.62);
--glass-line:rgba(255,255,255,.55);
--shadow:0 12px 32px rgba(21,80,67,.10);
--shadow-hover:0 22px 48px rgba(21,80,67,.20);
--radius:18px;
--radius-sm:12px;
--grad:linear-gradient(135deg,#1f6f5c 0%,#2f8a73 42%,#d98a3d 100%);
--grad-soft:linear-gradient(135deg,#e8f3ef 0%,#f6e6d3 100%);
}
[data-theme="dark"]{
--brand:#4fb79c;
--brand-dark:#2f8a73;
--brand-light:#16241f;
--accent:#e0a35c;
--accent-soft:#2a2116;
--text:#e8efec;
--muted:#9fb3ad;
--bg:#101613;
--bg-soft:#161e1a;
--line:#26332d;
--glass:rgba(22,30,26,.62);
--glass-line:rgba(79,183,156,.22);
--shadow:0 12px 32px rgba(0,0,0,.42);
--shadow-hover:0 22px 48px rgba(0,0,0,.55);
--grad:linear-gradient(135deg,#2f8a73 0%,#4fb79c 45%,#e0a35c 100%);
--grad-soft:linear-gradient(135deg,#16241f 0%,#2a2116 100%);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
background:var(--bg);
color:var(--text);
line-height:1.8;
font-size:16px;
overflow-x:hidden;
transition:background .35s ease,color .35s ease;
background-image:radial-gradient(circle at 12% 8%,rgba(31,111,92,.07),transparent 42%),radial-gradient(circle at 88% 4%,rgba(217,138,61,.08),transparent 40%);
background-attachment:fixed;
}
[data-theme="dark"] body{background-image:radial-gradient(circle at 12% 8%,rgba(79,183,156,.10),transparent 42%),radial-gradient(circle at 88% 4%,rgba(224,163,92,.08),transparent 40%)}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{text-decoration:underline;color:var(--brand-dark)}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header.site{
position:sticky;top:0;z-index:100;
background:var(--glass);
border-bottom:1px solid var(--glass-line);
-webkit-backdrop-filter:blur(16px) saturate(160%);
backdrop-filter:blur(16px) saturate(160%);
transition:background .35s ease,border-color .35s ease,box-shadow .35s ease;
}
header.site.scrolled{box-shadow:var(--shadow)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--text);letter-spacing:.5px;flex-shrink:0}
.logo svg{width:34px;height:34px;border-radius:10px;box-shadow:0 6px 16px rgba(31,111,92,.28);transition:transform .4s cubic-bezier(.34,1.56,.64,1)}
.logo:hover{text-decoration:none}
.logo:hover svg{transform:rotate(-8deg) scale(1.08)}
.nav ul{display:flex;gap:6px;list-style:none;align-items:center}
.nav ul a{
position:relative;color:var(--text);font-size:15px;padding:8px 12px;border-radius:10px;
transition:color .25s ease,background .25s ease,transform .25s ease;
}
.nav ul a::after{
content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav ul a:hover{text-decoration:none;color:var(--brand);background:var(--brand-light);transform:translateY(-1px)}
.nav ul a:hover::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
position:relative;overflow:hidden;
border:1px solid var(--brand);
background:var(--grad);
color:#fff;padding:9px 18px;border-radius:10px;font-size:14px;cursor:pointer;
font-family:inherit;font-weight:600;letter-spacing:.3px;
box-shadow:0 6px 18px rgba(31,111,92,.24);
transition:transform .28s cubic-bezier(.34,1.56,.64,1),box-shadow .28s ease,filter .28s ease;
}
.btn::before{
content:"";position:absolute;inset:0;
background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.42) 50%,transparent 70%);
transform:translateX(-120%);transition:transform .6s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(31,111,92,.34);filter:saturate(1.1);text-decoration:none;color:#fff}
.btn:hover::before{transform:translateX(120%)}
.btn:active{transform:translateY(0) scale(.98)}
.btn.ghost{
background:var(--glass);color:var(--brand);border:1px solid var(--brand);
-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:none;
}
.btn.ghost:hover{background:var(--brand-light);color:var(--brand-dark);box-shadow:0 10px 24px rgba(31,111,92,.18)}
.menu-toggle{
display:none;background:var(--glass);border:1px solid var(--line);border-radius:10px;
padding:7px 12px;cursor:pointer;color:var(--text);font-family:inherit;font-size:14px;
-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
transition:background .25s ease,transform .25s ease;
}
.menu-toggle:hover{background:var(--brand-light);transform:translateY(-1px)}
main{padding:0 0 40px}
section{padding:64px 0;position:relative}
section.soft{background:var(--bg-soft);transition:background .35s ease}
section.soft::before{
content:"";position:absolute;inset:0;pointer-events:none;
background:linear-gradient(180deg,transparent,rgba(31,111,92,.03) 50%,transparent);
}
h1{font-size:clamp(26px,4vw,38px);line-height:1.35;margin-bottom:16px;letter-spacing:-.4px;font-weight:800}
h2{
font-size:clamp(22px,3vw,28px);margin-bottom:20px;color:var(--text);font-weight:800;
position:relative;padding-bottom:12px;letter-spacing:-.2px;
}
h2::after{
content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;border-radius:4px;
background:var(--grad);box-shadow:0 3px 10px rgba(31,111,92,.30);
}
h3{font-size:20px;margin:22px 0 10px;font-weight:700}
h4{font-size:17px;margin:16px 0 8px;color:var(--muted);font-weight:600}
p{margin-bottom:14px;color:var(--text)}
.lead{font-size:17px;color:var(--muted)}
.breadcrumb{font-size:13px;color:var(--muted);padding:16px 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.hero{
display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;padding:56px 0 64px;
position:relative;
}
.hero::before{
content:"";position:absolute;top:-120px;left:-160px;width:520px;height:520px;border-radius:50%;
background:radial-gradient(circle,rgba(31,111,92,.16),transparent 68%);
filter:blur(30px);pointer-events:none;z-index:-1;
}
.hero::after{
content:"";position:absolute;bottom:-140px;right:-140px;width:460px;height:460px;border-radius:50%;
background:radial-gradient(circle,rgba(217,138,61,.16),transparent 68%);
filter:blur(30px);pointer-events:none;z-index:-1;
}
.hero .tag{
display:inline-block;background:var(--grad);color:#fff;padding:6px 16px;border-radius:24px;
font-size:13px;margin-bottom:18px;font-weight:600;letter-spacing:.4px;
box-shadow:0 8px 22px rgba(31,111,92,.28);
animation:floatTag 4s ease-in-out infinite;
}
@keyframes floatTag{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.hero-cta{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.hero-art{
background:var(--grad-soft);border-radius:var(--radius);padding:20px;
border:1px solid var(--glass-line);box-shadow:var(--shadow);
-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
transition:transform .5s cubic-bezier(.34,1.2,.64,1),box-shadow .5s ease;
}
.hero-art:hover{transform:translateY(-6px) rotate(-.6deg);box-shadow:var(--shadow-hover)}
.carousel{
position:relative;overflow:hidden;border-radius:var(--radius-sm);
background:var(--glass);
-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
border:1px solid var(--glass-line);
}
.slides{display:flex;transition:transform .65s cubic-bezier(.65,.05,.36,1)}
.slide{min-width:100%;padding:30px 26px}
.slide h3{margin-top:0;color:var(--brand-dark)}
[data-theme="dark"] .slide h3{color:var(--brand)}
.slide p{color:var(--muted);margin-bottom:0}
.dots{display:flex;gap:8px;justify-content:center;padding:14px}
.dot{
width:10px;height:10px;border-radius:50%;background:var(--line);border:none;cursor:pointer;
transition:background .3s ease,transform .3s ease,width .3s ease;padding:0;
}
.dot:hover{background:var(--brand);transform:scale(1.25)}
.dot.active{background:var(--grad);width:26px;border-radius:6px}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
position:relative;overflow:hidden;
background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius);padding:26px;
-webkit-backdrop-filter:blur(14px) saturate(150%);backdrop-filter:blur(14px) saturate(150%);
box-shadow:var(--shadow);
transition:transform .45s cubic-bezier(.34,1.3,.64,1),box-shadow .45s ease,border-color .45s ease;
}
.card::before{
content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px;
background:var(--grad);transform:scaleX(0);transform-origin:left;
transition:transform .5s cubic-bezier(.65,.05,.36,1);
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.card:hover::before{transform:scaleX(1)}
.card h3{margin-top:0;transition:color .3s ease}
.card:hover h3{color:var(--brand)}
.card p:last-child{margin-bottom:0}
.stat{text-align:center}
.stat .num{font-size:clamp(28px,4vw,36px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand);line-height:1.2}
.stat .label{color:var(--muted);font-size:14px}
.article-item{
position:relative;border-bottom:1px solid var(--line);padding:20px 0 20px 18px;
transition:padding-left .35s ease,background .35s ease;
}
.article-item::before{
content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;
background:var(--grad);transform:scaleY(0);transform-origin:top;
transition:transform .4s cubic-bezier(.65,.05,.36,1);
}
.article-item:hover{padding-left:26px}
.article-item:hover::before{transform:scaleY(1)}
.article-item:last-child{border-bottom:none}
.article-item h3{margin:0 0 8px;font-size:18px;transition:color .3s ease}
.article-item:hover h3{color:var(--brand)}
.meta{font-size:13px;color:var(--muted);margin-bottom:8px}
.faq-item{
border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;
background:var(--glass);
-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
transition:border-color .35s ease,box-shadow .35s ease,transform .35s ease;
}
.faq-item:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-2px)}
.faq-item.open{border-color:var(--brand);box-shadow:var(--shadow)}
.faq-q{
width:100%;text-align:left;background:transparent;border:none;padding:17px 20px;
font-size:16px;font-weight:600;cursor:pointer;color:var(--text);font-family:inherit;
display:flex;justify-content:space-between;gap:12px;align-items:center;
transition:color .25s ease,background .25s ease;
}
.faq-q:hover{color:var(--brand);background:var(--brand-light)}
.faq-q span{
flex-shrink:0;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;
background:var(--grad);color:#fff;font-size:16px;font-weight:700;line-height:1;
transition:transform .35s cubic-bezier(.34,1.56,.64,1);
}
.faq-item.open .faq-q span{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .42s cubic-bezier(.65,.05,.36,1),padding .42s ease;padding:0 20px;color:var(--muted)}
.faq-a p{margin-bottom:0}
.faq-item.open .faq-a{max-height:640px;padding:0 20px 18px}
.howto-step{
position:relative;border-left:3px solid var(--brand);padding:6px 0 6px 20px;margin-bottom:22px;
border-radius:0 10px 10px 0;
transition:transform .35s ease,border-color .35s ease,background .35s ease,padding-left .35s ease;
}
.howto-step::before{
content:"";position:absolute;left:-7px;top:16px;width:11px;height:11px;border-radius:50%;
background:var(--grad);box-shadow:0 0 0 4px var(--brand-light);
transition:transform .35s ease;
}
.howto-step:hover{transform:translateX(6px);border-color:var(--accent);background:var(--brand-light);padding-left:26px}
.howto-step:hover::before{transform:scale(1.25)}
.howto-step h4{margin-top:0;color:var(--text)}
.search-box{display:flex;gap:10px;max-width:440px}
.search-box input{
flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:10px;
background:var(--glass);color:var(--text);font-family:inherit;font-size:14px;
-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
transition:border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.search-box input::placeholder{color:var(--muted)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-light);background:var(--bg)}
footer.site{
background:var(--bg-soft);border-top:1px solid var(--line);padding:48px 0 26px;
font-size:14px;color:var(--muted);position:relative;transition:background .35s ease;
}
footer.site::before{
content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:.85;
}
footer .cols{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
footer h4{color:var(--text);margin-bottom:12px;font-weight:700}
footer ul{list-style:none}
footer li{margin-bottom:8px;transition:transform .25s ease}
footer li:hover{transform:translateX(4px)}
footer .copy{margin-top:30px;border-top:1px solid var(--line);padding-top:18px;text-align:center;font-size:13px}
footer .copy a{color:var(--brand)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.25,.8,.35,1),transform .7s cubic-bezier(.25,.8,.35,1)}
.reveal.show{opacity:1;transform:none}
#toTop{
position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:none;
background:var(--grad);color:#fff;font-size:18px;cursor:pointer;display:none;z-index:90;
box-shadow:0 10px 26px rgba(31,111,92,.36);
transition:transform .3s cubic-bezier(.34,1.56,.64,1),box-shadow .3s ease,filter .3s ease;
}
#toTop:hover{transform:translateY(-5px) scale(1.06);box-shadow:0 16px 34px rgba(31,111,92,.48);filter:saturate(1.15)}
#toTop:active{transform:translateY(-2px) scale(.98)}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.anchor-nav a{
background:var(--glass);color:var(--brand);padding:7px 14px;border-radius:22px;font-size:13px;
border:1px solid var(--glass-line);font-weight:500;
-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
transition:background .28s ease,color .28s ease,transform .28s cubic-bezier(.34,1.56,.64,1),box-shadow .28s ease;
}
.anchor-nav a:hover{
background:var(--grad);color:#fff;text-decoration:none;transform:translateY(-3px);
box-shadow:0 10px 22px rgba(31,111,92,.28);
}
#sitemap ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:10px 24px}
#sitemap li{position:relative;padding-left:18px}
#sitemap li::before{
content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
background:var(--grad);transition:transform .28s ease;
}
#sitemap li:hover::before{transform:scale(1.5)}
#sitemap a{color:var(--text);transition:color .25s ease,padding-left .25s ease}
#sitemap a:hover{color:var(--brand);padding-left:4px}
#contact .card{text-align:center}
#contact .card h3{color:var(--brand)}
@media(max-width:1024px){
.hero{grid-template-columns:1fr;gap:32px;padding:44px 0 52px}
.grid-4{grid-template-columns:repeat(2,1fr)}
footer .cols{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
.nav ul{
display:none;
}
.menu-toggle{display:block}
.nav ul.open{
display:flex;flex-direction:column;align-items:stretch;gap:4px;
position:absolute;top:68px;left:0;right:0;
background:var(--glass);padding:16px 20px 20px;
border-bottom:1px solid var(--glass-line);
-webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);
box-shadow:var(--shadow);
animation:menuDrop .32s cubic-bezier(.25,.8,.35,1);
}
.nav ul.open a{padding:11px 14px;font-size:15px}
.nav ul.open a::after{left:14px;right:14px}
@keyframes menuDrop{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
#sitemap ul{grid-template-columns:1fr}
section{padding:48px 0}
}
@media(max-width:640px){
.wrap{padding:0 16px}
h1{font-size:25px}
h2{font-size:21px}
h3{font-size:18px}
body{font-size:15px}
section{padding:40px 0}
.hero{padding:32px 0 40px}
.hero-cta{flex-direction:column;align-items:stretch}
.hero-cta .btn{width:100%;text-align:center}
.hero-art{padding:14px}
.slide{padding:22px 18px}
.card{padding:20px}
footer .cols{grid-template-columns:1fr;gap:22px}
.search-box{flex-direction:column;max-width:100%}
.search-box .btn{width:100%}
#toTop{right:14px;bottom:14px;width:42px;height:42px}
.article-item{padding-left:14px}
.article-item:hover{padding-left:18px}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
.reveal{opacity:1;transform:none}
}