*{margin:0;padding:0;box-sizing:border-box}
:root{
--brand:#ff5f2e;
--brand-2:#ff9a3c;
--brand-3:#ff3d78;
--brand-dark:#d94415;
--ink:#1c1c1e;
--ink-2:#4a4a4f;
--ink-3:#8a8a92;
--line:#e8e8ec;
--line-2:#f0f0f3;
--bg:#ffffff;
--bg-2:#f6f7f9;
--bg-3:#eef0f4;
--glass:rgba(255,255,255,.72);
--glass-line:rgba(255,255,255,.6);
--radius:14px;
--radius-lg:18px;
--radius-sm:10px;
--shadow:0 6px 24px rgba(20,20,30,.08);
--shadow-lg:0 18px 48px rgba(20,20,30,.14);
--shadow-brand:0 12px 32px rgba(255,95,46,.28);
--grad:linear-gradient(135deg,#ff5f2e 0%,#ff9a3c 55%,#ff3d78 100%);
--grad-soft:linear-gradient(135deg,rgba(255,95,46,.14),rgba(255,154,60,.1) 55%,rgba(255,61,120,.12));
--grad-banner:linear-gradient(120deg,rgba(255,95,46,.92),rgba(255,154,60,.86) 45%,rgba(255,61,120,.9));
--ease:cubic-bezier(.22,.61,.36,1);
}
html[data-theme="dark"]{
--ink:#f2f2f4;
--ink-2:#b9b9c2;
--ink-3:#7e7e88;
--line:#2c2c33;
--line-2:#242429;
--bg:#141418;
--bg-2:#1c1c22;
--bg-3:#232329;
--glass:rgba(28,28,34,.7);
--glass-line:rgba(255,255,255,.08);
--shadow:0 6px 24px rgba(0,0,0,.5);
--shadow-lg:0 18px 48px rgba(0,0,0,.6);
--shadow-brand:0 12px 32px rgba(255,95,46,.32);
--grad-soft:linear-gradient(135deg,rgba(255,95,46,.16),rgba(255,154,60,.08) 55%,rgba(255,61,120,.14));
}
html{scroll-behavior:smooth}
body{
font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
color:var(--ink);
background:var(--bg);
line-height:1.85;
font-size:16px;
-webkit-font-smoothing:antialiased;
-moz-osx-font-smoothing:grayscale;
overflow-x:hidden;
transition:background .35s var(--ease),color .35s var(--ease);
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),opacity .22s var(--ease)}
a:hover{color:var(--brand)}
img,svg{max-width:100%;display:block}
button{font-family:inherit}
::selection{background:rgba(255,95,46,.22);color:var(--ink)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-2)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--brand),var(--brand-3));border-radius:8px;border:2px solid var(--bg-2)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header.site{
position:sticky;top:0;z-index:60;
background:var(--glass);
-webkit-backdrop-filter:blur(18px) saturate(160%);
backdrop-filter:blur(18px) saturate(160%);
border-bottom:1px solid var(--line);
transition:background .35s var(--ease),border-color .35s var(--ease);
}
.nav{display:flex;align-items:center;gap:22px;height:66px}
.logo{
display:flex;align-items:center;gap:10px;
font-weight:800;font-size:19px;letter-spacing:.5px;
transition:transform .25s var(--ease);
}
.logo:hover{transform:translateY(-1px)}
.logo .mark{
width:34px;height:34px;border-radius:10px;
background:var(--grad);
display:grid;place-items:center;color:#fff;
font-size:17px;font-weight:900;
box-shadow:var(--shadow-brand);
transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.logo:hover .mark{transform:rotate(-8deg) scale(1.06);box-shadow:0 14px 34px rgba(255,95,46,.42)}
.nav ul{
display:flex;gap:18px;list-style:none;
font-size:15px;color:var(--ink-2);flex:1;
}
.nav ul a{position:relative;padding:4px 0}
.nav ul a::after{
content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
background:var(--grad);border-radius:2px;
transform:scaleX(0);transform-origin:left;
transition:transform .28s var(--ease);
}
.nav ul a:hover{color:var(--brand)}
.nav ul a:hover::after{transform:scaleX(1)}
.nav .tools{display:flex;align-items:center;gap:10px}
.btn{
border:1px solid var(--line);
background:var(--bg-2);
color:var(--ink);
border-radius:var(--radius-sm);
padding:8px 14px;font-size:14px;cursor:pointer;
transition:transform .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0)}
.btn.primary{
background:var(--grad);border-color:transparent;color:#fff;
box-shadow:var(--shadow-brand);
}
.btn.primary:hover{color:#fff;filter:brightness(1.06);box-shadow:0 16px 38px rgba(255,95,46,.4)}
.searchbox{
display:flex;align-items:center;gap:6px;
border:1px solid var(--line);border-radius:var(--radius-sm);
padding:4px 8px;background:var(--bg-2);
transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.searchbox:focus-within{
border-color:var(--brand);
box-shadow:0 0 0 4px rgba(255,95,46,.14);
background:var(--bg);
}
.searchbox input{
border:0;background:transparent;outline:none;
color:var(--ink);width:130px;font-size:14px;
}
.searchbox input::placeholder{color:var(--ink-3)}
.menu-btn{display:none}
main{display:block}
section{padding:64px 0;border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:0}
.hero{
position:relative;
padding:72px 0 56px;
background:
radial-gradient(1200px 420px at 12% -12%,rgba(255,95,46,.18),transparent 62%),
radial-gradient(900px 380px at 92% 4%,rgba(255,61,120,.14),transparent 60%),
var(--bg);
overflow:hidden;
}
.hero::before{
content:"";position:absolute;inset:auto -10% -60% -10%;height:340px;
background:var(--grad-soft);filter:blur(60px);opacity:.7;pointer-events:none;
}
.hero .wrap{position:relative;z-index:1}
.hero h1{
font-size:38px;line-height:1.3;font-weight:800;letter-spacing:-.5px;
margin-bottom:18px;
animation:fadeUp .7s var(--ease) both;
}
.hero h1 em{
color:var(--brand);font-style:normal;
background:var(--grad);
-webkit-background-clip:text;background-clip:text;
-webkit-text-fill-color:transparent;
}
.hero p.lead{
font-size:17px;color:var(--ink-2);max-width:820px;margin-bottom:26px;
animation:fadeUp .7s var(--ease) .08s both;
}
.hero .cta{
display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px;
animation:fadeUp .7s var(--ease) .16s both;
}
.hero .cta a{
padding:12px 22px;border-radius:12px;font-weight:600;font-size:15px;
transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.hero .cta .a1{background:var(--grad);color:#fff;box-shadow:var(--shadow-brand)}
.hero .cta .a1:hover{transform:translateY(-3px);filter:brightness(1.06);box-shadow:0 18px 40px rgba(255,95,46,.42)}
.hero .cta .a2{
border:1px solid var(--line);background:var(--glass);
-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.hero .cta .a2:hover{transform:translateY(-3px);border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;animation:fadeUp .7s var(--ease) .24s both}
.stat{
background:var(--glass);
-webkit-backdrop-filter:blur(14px) saturate(150%);
backdrop-filter:blur(14px) saturate(150%);
border:1px solid var(--line);border-radius:var(--radius);
padding:20px;
transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}
.stat b{
display:block;font-size:28px;font-weight:800;
background:var(--grad);
-webkit-background-clip:text;background-clip:text;
-webkit-text-fill-color:transparent;
}
.stat span{font-size:14px;color:var(--ink-2)}
h2{
font-size:27px;font-weight:800;margin-bottom:8px;letter-spacing:-.3px;
display:flex;align-items:center;gap:0;
}
h2 .bar{
display:inline-block;width:6px;height:22px;
background:var(--grad);border-radius:3px;margin-right:10px;
box-shadow:0 4px 12px rgba(255,95,46,.4);
}
h3{font-size:20px;font-weight:700;margin:26px 0 10px}
h4{font-size:17px;font-weight:700;margin:18px 0 8px;color:var(--ink)}
p{margin-bottom:14px;color:var(--ink-2)}
.sec-sub{color:var(--ink-2);margin-bottom:30px;max-width:860px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
position:relative;
background:var(--bg-2);
border:1px solid var(--line);
border-radius:var(--radius);
padding:22px;
transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease),background .32s var(--ease);
overflow:hidden;
}
.card::before{
content:"";position:absolute;top:0;left:0;right:0;height:3px;
background:var(--grad);
transform:scaleX(0);transform-origin:left;
transition:transform .38s var(--ease);
}
.card:hover{
transform:translateY(-5px);
box-shadow:var(--shadow-lg);
border-color:color-mix(in srgb,var(--brand) 45%,var(--line));
background:var(--bg);
}
.card:hover::before{transform:scaleX(1)}
.card h4{margin-top:0}
.card ul{margin:10px 0 0 18px;color:var(--ink-2);font-size:15px}
.card li{margin-bottom:6px}
.card li::marker{color:var(--brand)}
.banner{
position:relative;border-radius:var(--radius-lg);overflow:hidden;
border:1px solid var(--line);
background:var(--grad-banner);
box-shadow:var(--shadow-lg);
}
.banner::after{
content:"";position:absolute;inset:0;pointer-events:none;
background:radial-gradient(600px 200px at 20% 0%,rgba(255,255,255,.28),transparent 60%);
}
.slides{position:relative;height:300px}
.slide{
position:absolute;inset:0;opacity:0;
transition:opacity .7s var(--ease),transform .7s var(--ease);
display:grid;place-items:center;text-align:center;padding:30px;
transform:scale(.98);
}
.slide.on{opacity:1;transform:scale(1)}
.slide h3{
font-size:24px;margin:0 0 8px;color:#fff;
text-shadow:0 2px 12px rgba(0,0,0,.22);
}
.slide p{
max-width:640px;margin:0 auto;color:rgba(255,255,255,.94);
text-shadow:0 1px 8px rgba(0,0,0,.2);
}
.dots{
position:absolute;bottom:14px;left:0;right:0;
display:flex;justify-content:center;gap:8px;z-index:2;
}
.dot{
width:9px;height:9px;border-radius:50%;
background:rgba(255,255,255,.45);cursor:pointer;
transition:width .3s var(--ease),background .3s var(--ease);
}
.dot:hover{background:rgba(255,255,255,.8)}
.dot.on{background:#fff;width:22px;border-radius:5px}
.article{display:flex;flex-direction:column;gap:8px}
.article .meta{
font-size:13px;color:var(--ink-3);
display:flex;gap:12px;flex-wrap:wrap;
}
.article h4{margin:0}
.article p{flex:1}
.article .more{
color:var(--brand);font-size:14px;font-weight:600;
display:inline-flex;align-items:center;gap:4px;
transition:gap .25s var(--ease),color .25s var(--ease);
}
.article:hover .more{gap:9px}
.faq-item{
border:1px solid var(--line);border-radius:12px;margin-bottom:10px;
background:var(--bg-2);overflow:hidden;
transition:border-color .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.faq-item:hover{border-color:color-mix(in srgb,var(--brand) 40%,var(--line));box-shadow:var(--shadow)}
.faq-item.open{
border-color:color-mix(in srgb,var(--brand) 55%,var(--line));
background:var(--bg);
box-shadow:var(--shadow);
}
.faq-q{
width:100%;text-align:left;background:transparent;border:0;
padding:16px 18px;font-size:16px;font-weight:600;color:var(--ink);
cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center;
transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q span.i{
color:var(--brand);font-weight:800;font-size:18px;line-height:1;
width:24px;height:24px;border-radius:50%;
display:grid;place-items:center;
background:var(--grad-soft);
flex:0 0 auto;
transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-item.open .faq-q span.i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s var(--ease);padding:0 18px}
.faq-a p{margin:0 0 16px}
.faq-item.open .faq-a{max-height:520px}
.steps{counter-reset:s;list-style:none}
.steps li{position:relative;padding-left:52px;margin-bottom:20px}
.steps li::before{
counter-increment:s;content:counter(s);
position:absolute;left:0;top:0;width:34px;height:34px;border-radius:10px;
background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;
box-shadow:var(--shadow-brand);
transition:transform .3s var(--ease);
}
.steps li:hover::before{transform:scale(1.08) rotate(-6deg)}
.steps li h4{margin-top:0}
table{
width:100%;border-collapse:collapse;margin:16px 0;font-size:15px;
border-radius:var(--radius);overflow:hidden;
box-shadow:var(--shadow);
}
th,td{border:1px solid var(--line);padding:12px;text-align:left;color:var(--ink-2)}
th{background:var(--bg-2);color:var(--ink);font-weight:700}
tbody tr{transition:background .22s var(--ease)}
tbody tr:hover{background:var(--grad-soft)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.map{
height:220px;border:1px solid var(--line);border-radius:var(--radius);
background:var(--bg-2);display:grid;place-items:center;color:var(--ink-2);
overflow:hidden;
transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.map:hover{box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
border:1px solid var(--line);background:var(--bg-2);
border-radius:999px;padding:6px 14px;font-size:14px;color:var(--ink-2);
transition:transform .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.tag:hover{
transform:translateY(-2px);
border-color:var(--brand);color:var(--brand);
background:var(--bg);
box-shadow:var(--shadow);
}
.crumb{font-size:14px;color:var(--ink-3);padding:14px 0}
.crumb a:hover{color:var(--brand)}
footer.site{
background:var(--bg-2);border-top:1px solid var(--line);
padding:48px 0 24px;font-size:14px;
transition:background .35s var(--ease),border-color .35s var(--ease);
}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px;margin-bottom:30px}
.fgrid h5{font-size:15px;margin-bottom:12px;color:var(--ink)}
.fgrid ul{list-style:none;color:var(--ink-2)}
.fgrid li{margin-bottom:8px}
.fgrid a:hover{color:var(--brand)}
.copy{
border-top:1px solid var(--line);padding-top:18px;color:var(--ink-3);
display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
#top{
position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
background:var(--grad);color:#fff;border:0;cursor:pointer;font-size:20px;
display:none;z-index:70;box-shadow:var(--shadow-brand);
transition:transform .28s var(--ease),box-shadow .28s var(--ease),filter .28s var(--ease);
}
#top:hover{transform:translateY(-4px) scale(1.06);filter:brightness(1.08);box-shadow:0 18px 40px rgba(255,95,46,.45)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@keyframes fadeUp{
from{opacity:0;transform:translateY(22px)}
to{opacity:1;transform:none}
}
@media(max-width:960px){
.g4,.g3,.contact-grid{grid-template-columns:repeat(2,1fr)}
.fgrid{grid-template-columns:1fr 1fr}
.stats{grid-template-columns:repeat(2,1fr)}
.nav ul{
display:none;position:absolute;top:66px;left:0;right:0;
background:var(--glass);
-webkit-backdrop-filter:blur(18px) saturate(160%);
backdrop-filter:blur(18px) saturate(160%);
border-bottom:1px solid var(--line);
flex-direction:column;padding:14px 20px;gap:12px;
animation:fadeUp .3s var(--ease) both;
}
.nav ul.show{display:flex}
.menu-btn{display:inline-block}
.searchbox{display:none}
.hero h1{font-size:28px}
.hero{padding:56px 0 44px}
section{padding:52px 0}
h2{font-size:23px}
.slides{height:340px}
}
@media(max-width:620px){
.g2,.g3,.g4,.contact-grid,.fgrid{grid-template-columns:1fr}
.slides{height:380px}
.slide h3{font-size:20px}
.hero h1{font-size:24px}
.hero p.lead{font-size:15.5px}
.stats{grid-template-columns:1fr 1fr}
.stat b{font-size:24px}
.card{padding:18px}
section{padding:44px 0}
#top{right:16px;bottom:18px;width:42px;height:42px}
}
@media(prefers-reduced-motion:reduce){
*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
.reveal{opacity:1;transform:none}
}