*{margin:0;padding:0;box-sizing:border-box}
:root{
--bg:#0a0e27;
--bg2:#111735;
--card:#161d3f;
--card2:#1b2450;
--text:#e8ecf7;
--muted:#9aa6c8;
--accent:#5b8cff;
--accent2:#b45bff;
--accent3:#3ce0c8;
--border:#232c56;
--glow:rgba(91,140,255,.35);
--radius:14px;
--radius-sm:10px;
--shadow:0 10px 30px rgba(0,0,0,.45);
--shadow-hover:0 18px 46px rgba(91,140,255,.28);
--ease:cubic-bezier(.22,.61,.36,1);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
background:
radial-gradient(1200px 620px at 12% -8%,rgba(91,140,255,.16),transparent 60%),
radial-gradient(1000px 560px at 88% 4%,rgba(180,91,255,.14),transparent 62%),
linear-gradient(180deg,#0a0e27 0%,#0b1030 40%,#0a0e27 100%);
background-attachment:fixed;
color:var(--text);
line-height:1.85;
font-size:16px;
overflow-x:hidden;
-webkit-font-smoothing:antialiased;
text-rendering:optimizeLegibility;
}
::selection{background:rgba(91,140,255,.4);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0b1030}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--accent),var(--accent2));border-radius:20px;border:2px solid #0b1030}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,var(--accent2),var(--accent))}
a{
color:var(--accent);
text-decoration:none;
transition:color .3s var(--ease),text-shadow .3s var(--ease);
position:relative;
}
a:hover{color:var(--accent2);text-shadow:0 0 14px rgba(180,91,255,.55)}
a:focus-visible,button:focus-visible,input:focus-visible{
outline:2px solid var(--accent3);
outline-offset:2px;
border-radius:6px;
}
header{
position:sticky;
top:0;
z-index:100;
background:rgba(10,14,39,.72);
border-bottom:1px solid var(--border);
backdrop-filter:blur(18px) saturate(160%);
-webkit-backdrop-filter:blur(18px) saturate(160%);
box-shadow:0 6px 26px rgba(0,0,0,.35);
animation:slideDown .6s var(--ease) both;
}
@keyframes slideDown{from{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}
.nav-wrap{
max-width:1200px;
margin:0 auto;
display:flex;
align-items:center;
justify-content:space-between;
gap:16px;
padding:14px 20px;
}
.logo{
font-size:22px;
font-weight:800;
color:var(--text);
letter-spacing:.5px;
white-space:nowrap;
transition:transform .35s var(--ease);
}
.logo:hover{transform:scale(1.04)}
.logo span{
background:linear-gradient(120deg,var(--accent),var(--accent2) 60%,var(--accent3));
-webkit-background-clip:text;
background-clip:text;
-webkit-text-fill-color:transparent;
color:transparent;
}
nav ul{display:flex;list-style:none;gap:8px;flex-wrap:wrap}
nav a{
color:var(--muted);
font-size:15px;
padding:8px 12px;
border-radius:8px;
display:inline-block;
transition:color .3s var(--ease),background .3s var(--ease),transform .3s var(--ease);
}
nav a::after{
content:"";
position:absolute;
left:12px;right:12px;bottom:4px;
height:2px;
background:linear-gradient(90deg,var(--accent),var(--accent2));
transform:scaleX(0);
transform-origin:left;
transition:transform .35s var(--ease);
border-radius:2px;
}
nav a:hover{color:var(--text);background:rgba(91,140,255,.1);transform:translateY(-1px)}
nav a:hover::after{transform:scaleX(1)}
.search-box{display:flex;gap:8px;align-items:center}
.search-box input{
padding:9px 14px;
border-radius:999px;
border:1px solid var(--border);
background:rgba(17,23,53,.85);
color:var(--text);
width:170px;
font-size:14px;
transition:border-color .3s var(--ease),box-shadow .3s var(--ease),width .3s var(--ease),background .3s var(--ease);
}
.search-box input::placeholder{color:#6f7cab}
.search-box input:focus{
border-color:var(--accent);
box-shadow:0 0 0 3px rgba(91,140,255,.22),0 0 20px rgba(91,140,255,.25);
width:200px;
background:rgba(17,23,53,1);
}
.search-box button{
padding:9px 18px;
border:none;
border-radius:999px;
background:linear-gradient(120deg,var(--accent),var(--accent2));
color:#fff;
cursor:pointer;
font-size:14px;
font-weight:600;
letter-spacing:.5px;
transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s var(--ease);
box-shadow:0 6px 18px rgba(91,140,255,.35);
}
.search-box button:hover{
transform:translateY(-2px);
box-shadow:0 10px 26px rgba(180,91,255,.45);
filter:brightness(1.08);
}
.search-box button:active{transform:translateY(0) scale(.97)}
.menu-btn{
display:none;
background:rgba(17,23,53,.8);
border:1px solid var(--border);
color:var(--text);
padding:8px 12px;
border-radius:10px;
cursor:pointer;
font-size:18px;
line-height:1;
transition:background .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
}
.menu-btn:hover{background:rgba(91,140,255,.16);border-color:var(--accent);transform:scale(1.05)}
main{max-width:1200px;margin:0 auto;padding:0 20px}
.breadcrumb{
font-size:13px;
color:var(--muted);
padding:18px 0 6px;
letter-spacing:.3px;
animation:fadeUp .6s var(--ease) both;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
section{
padding:40px 0;
border-bottom:1px solid var(--border);
animation:fadeUp .7s var(--ease) both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
h1{
font-size:32px;
margin-bottom:16px;
line-height:1.4;
font-weight:800;
letter-spacing:.5px;
background:linear-gradient(120deg,#ffffff 0%,#c9d6ff 45%,#b45bff 100%);
-webkit-background-clip:text;
background-clip:text;
-webkit-text-fill-color:transparent;
color:transparent;
}
h2{
font-size:25px;
margin-bottom:18px;
color:var(--text);
font-weight:800;
position:relative;
padding-left:16px;
letter-spacing:.4px;
}
h2::before{
content:"";
position:absolute;
left:0;top:6px;bottom:6px;
width:5px;
border-radius:4px;
background:linear-gradient(180deg,var(--accent),var(--accent2),var(--accent3));
box-shadow:0 0 16px rgba(91,140,255,.6);
}
h3{font-size:19px;margin:22px 0 10px;color:var(--text);font-weight:700}
h4{font-size:16px;margin:14px 0 8px;color:var(--muted);font-weight:600}
p{margin-bottom:14px;color:#cfd6ea}
.lead{
font-size:17px;
color:var(--text);
background:linear-gradient(135deg,rgba(22,29,63,.92),rgba(27,36,80,.72));
padding:22px 24px;
border-radius:var(--radius);
border-left:4px solid var(--accent);
backdrop-filter:blur(12px);
-webkit-backdrop-filter:blur(12px);
box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.05);
transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.lead:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover),inset 0 1px 0 rgba(255,255,255,.08)}
.banner{
position:relative;
overflow:hidden;
background:
radial-gradient(700px 320px at 15% 0%,rgba(91,140,255,.4),transparent 65%),
radial-gradient(620px 340px at 88% 100%,rgba(180,91,255,.38),transparent 65%),
linear-gradient(135deg,#1a2350 0%,#2a1a50 55%,#0f1740 100%);
border-radius:var(--radius);
padding:48px 26px;
margin-top:24px;
text-align:center;
border:1px solid rgba(91,140,255,.28);
box-shadow:var(--shadow);
animation:fadeUp .8s var(--ease) both;
}
.banner::before{
content:"";
position:absolute;
inset:-45%;
background:conic-gradient(from 0deg,transparent 0deg,rgba(91,140,255,.16) 60deg,transparent 130deg,rgba(180,91,255,.18) 220deg,transparent 300deg);
animation:spin 18s linear infinite;
pointer-events:none;
}
@keyframes spin{to{transform:rotate(360deg)}}
.banner>*{position:relative;z-index:1}
.banner h2{
color:#fff;
font-size:27px;
padding-left:0;
justify-content:center;
}
.banner h2::before{display:none}
.banner p{color:#c8d2f0;font-size:16px}
.stats{
display:flex;
gap:20px;
justify-content:center;
flex-wrap:wrap;
margin-top:26px;
}
.stat{
background:rgba(22,29,63,.72);
padding:18px 26px;
border-radius:var(--radius-sm);
text-align:center;
min-width:140px;
border:1px solid rgba(91,140,255,.24);
backdrop-filter:blur(14px);
-webkit-backdrop-filter:blur(14px);
transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.stat:hover{
transform:translateY(-6px) scale(1.03);
box-shadow:0 16px 40px rgba(91,140,255,.3);
border-color:var(--accent);
}
.stat b{
display:block;
font-size:28px;
font-weight:800;
background:linear-gradient(120deg,var(--accent),var(--accent3));
-webkit-background-clip:text;
background-clip:text;
-webkit-text-fill-color:transparent;
color:transparent;
letter-spacing:.5px;
}
.stat span{font-size:13px;color:var(--muted);letter-spacing:.5px}
.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:20px;
margin-top:20px;
}
.card{
position:relative;
overflow:hidden;
background:linear-gradient(160deg,rgba(22,29,63,.95),rgba(27,36,80,.78));
border:1px solid var(--border);
border-radius:var(--radius);
padding:22px;
backdrop-filter:blur(12px);
-webkit-backdrop-filter:blur(12px);
box-shadow:var(--shadow);
transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.card::after{
content:"";
position:absolute;
top:0;left:-120%;
width:70%;
height:100%;
background:linear-gradient(100deg,transparent,rgba(255,255,255,.09),transparent);
transform:skewX(-20deg);
transition:left .7s var(--ease);
pointer-events:none;
}
.card:hover{
transform:translateY(-8px);
border-color:rgba(91,140,255,.65);
box-shadow:var(--shadow-hover);
}
.card:hover::after{left:130%}
.card h3{margin-top:0}
.card cite{display:block;margin-top:10px;font-size:13px;color:var(--muted);font-style:normal}
.article-list{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(290px,1fr));
gap:20px;
}
.article{
position:relative;
overflow:hidden;
background:linear-gradient(160deg,rgba(22,29,63,.95),rgba(27,36,80,.75));
border-radius:var(--radius);
padding:22px;
border:1px solid var(--border);
backdrop-filter:blur(12px);
-webkit-backdrop-filter:blur(12px);
box-shadow:var(--shadow);
transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
}
.article::before{
content:"";
position:absolute;
left:0;top:0;bottom:0;
width:4px;
background:linear-gradient(180deg,var(--accent),var(--accent2));
transform:scaleY(0);
transform-origin:top;
transition:transform .45s var(--ease);
}
.article:hover{
transform:translateY(-8px);
border-color:rgba(180,91,255,.55);
box-shadow:var(--shadow-hover);
}
.article:hover::before{transform:scaleY(1)}
.article time{
font-size:13px;
color:var(--muted);
display:inline-block;
padding:3px 10px;
border-radius:999px;
background:rgba(91,140,255,.12);
border:1px solid rgba(91,140,255,.22);
margin-bottom:10px;
letter-spacing:.4px;
}
.article h3{margin:6px 0 10px;font-size:18px;line-height:1.5;transition:color .3s var(--ease)}
.article:hover h3{color:var(--accent3)}
.article p{font-size:14px;color:#b9c3e0}
.article a{font-size:14px;font-weight:600;display:inline-block;transition:transform .3s var(--ease),color .3s var(--ease)}
.article a:hover{transform:translateX(5px);color:var(--accent3)}
.faq-item{
border:1px solid var(--border);
border-radius:var(--radius-sm);
margin-bottom:12px;
overflow:hidden;
background:linear-gradient(160deg,rgba(22,29,63,.95),rgba(27,36,80,.72));
backdrop-filter:blur(12px);
-webkit-backdrop-filter:blur(12px);
transition:border-color .35s var(--ease),box-shadow .35s var(--ease),transform .35s var(--ease);
}
.faq-item:hover{
border-color:rgba(91,140,255,.55);
box-shadow:0 12px 30px rgba(91,140,255,.18);
transform:translateY(-2px);
}
.faq-q{
width:100%;
text-align:left;
background:none;
border:none;
color:var(--text);
padding:16px 18px;
font-size:15px;
cursor:pointer;
font-weight:600;
font-family:inherit;
display:flex;
align-items:center;
justify-content:space-between;
gap:12px;
transition:color .3s var(--ease),background .3s var(--ease);
}
.faq-q::after{
content:"+";
font-size:20px;
font-weight:400;
color:var(--accent);
transition:transform .35s var(--ease),color .35s var(--ease);
flex-shrink:0;
}
.faq-q:hover{color:var(--accent3);background:rgba(91,140,255,.08)}
.faq-q:hover::after{color:var(--accent3);transform:rotate(90deg)}
.faq-a{
padding:0 18px 16px;
color:#cfd6ea;
font-size:14px;
line-height:1.9;
border-top:1px solid rgba(35,44,86,.7);
padding-top:14px;
animation:fadeUp .4s var(--ease) both;
}
.howto ol,.howto ul{padding-left:24px;color:#cfd6ea}
.howto li{margin-bottom:9px;transition:color .3s var(--ease),transform .3s var(--ease)}
.howto li::marker{color:var(--accent)}
.howto li:hover{color:var(--text);transform:translateX(4px)}
.contact-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:18px;
}
.contact-item{
background:linear-gradient(160deg,rgba(22,29,63,.95),rgba(27,36,80,.72));
padding:20px;
border-radius:var(--radius-sm);
border:1px solid var(--border);
backdrop-filter:blur(12px);
-webkit-backdrop-filter:blur(12px);
transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.contact-item:hover{
transform:translateY(-6px);
border-color:var(--accent);
box-shadow:0 14px 34px rgba(91,140,255,.26);
}
.contact-item h4{margin-top:0;color:var(--accent3);font-size:14px;letter-spacing:.6px}
.contact-item p{margin-bottom:0;font-size:14px;color:#cfd6ea;word-break:break-all}
footer{
background:linear-gradient(180deg,rgba(17,23,53,.96),rgba(10,14,39,.99));
border-top:1px solid var(--border);
padding:36px 20px;
margin-top:30px;
position:relative;
}
footer::before{
content:"";
position:absolute;
top:0;left:50%;
transform:translateX(-50%);
width:60%;
height:1px;
background:linear-gradient(90deg,transparent,var(--accent),var(--accent2),transparent);
opacity:.7;
}
.footer-inner{
max-width:1200px;
margin:0 auto;
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:24px;
}
footer h4{color:var(--text);font-size:16px;margin-bottom:12px;position:relative;padding-bottom:8px}
footer h4::after{
content:"";
position:absolute;
left:0;bottom:0;
width:28px;height:2px;
border-radius:2px;
background:linear-gradient(90deg,var(--accent),var(--accent2));
}
footer ul{list-style:none}
footer li{margin-bottom:8px}
footer a{color:var(--muted);font-size:14px;transition:color .3s var(--ease),padding-left .3s var(--ease)}
footer a:hover{color:var(--accent3);padding-left:5px}
.copyright{
text-align:center;
color:var(--muted);
font-size:13px;
margin-top:26px;
border-top:1px solid var(--border);
padding-top:18px;
line-height:2;
}
#toTop{
position:fixed;
right:22px;
bottom:22px;
background:linear-gradient(135deg,var(--accent),var(--accent2));
color:#fff;
border:none;
border-radius:50%;
width:46px;
height:46px;
cursor:pointer;
display:none;
font-size:19px;
line-height:1;
box-shadow:0 10px 26px rgba(91,140,255,.45);
transition:transform .35s var(--ease),box-shadow .35s var(--ease),filter .35s var(--ease);
z-index:99;
}
#toTop:hover{
transform:translateY(-5px) scale(1.08);
box-shadow:0 16px 36px rgba(180,91,255,.55);
filter:brightness(1.1);
}
#toTop:active{transform:scale(.94)}
.tag{
display:inline-block;
background:rgba(17,23,53,.9);
color:var(--accent);
font-size:12px;
padding:4px 12px;
border-radius:20px;
margin:3px;
border:1px solid rgba(91,140,255,.3);
transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease),border-color .3s var(--ease);
}
.tag:hover{
background:linear-gradient(120deg,var(--accent),var(--accent2));
color:#fff;
border-color:transparent;
transform:translateY(-2px);
}
@media(max-width:900px){
nav ul{gap:4px}
nav a{padding:7px 9px;font-size:14px}
.search-box input{width:140px}
.search-box input:focus{width:160px}
}
@media(max-width:768px){
.nav-wrap{flex-wrap:wrap;padding:12px 16px;gap:10px}
nav ul{
display:none;
width:100%;
}
nav ul.open{
display:flex;
flex-direction:column;
position:absolute;
top:100%;
left:0;
right:0;
background:rgba(17,23,53,.98);
backdrop-filter:blur(18px);
-webkit-backdrop-filter:blur(18px);
padding:16px 20px;
border-bottom:1px solid var(--border);
box-shadow:0 18px 40px rgba(0,0,0,.5);
gap:6px;
animation:fadeUp .35s var(--ease) both;
}
nav ul.open li{width:100%}
nav ul.open a{display:block;width:100%;padding:11px 14px;font-size:15px;border-radius:10px}
nav ul.open a::after{display:none}
.menu-btn{display:block;order:3}
.search-box{display:none}
h1{font-size:24px;line-height:1.45}
h2{font-size:21px}
h3{font-size:17px}
.banner{padding:34px 18px}
.banner h2{font-size:21px}
.stats{gap:12px}
.stat{min-width:120px;padding:14px 18px}
.stat b{font-size:23px}
main{padding:0 16px}
section{padding:30px 0}
.grid,.article-list{gap:14px}
.card,.article,.contact-item{padding:18px}
}
@media(max-width:420px){
.stat{min-width:100%;padding:12px 16px}
h1{font-size:21px}
.lead{padding:16px;font-size:15px}
#toTop{width:40px;height:40px;right:14px;bottom:14px;font-size:16px}
}
@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(prefers-color-scheme:light){
:root{
--bg:#f4f6fd;
--bg2:#ffffff;
--card:#ffffff;
--card2:#f0f3ff;
--text:#131a33;
--muted:#5d6788;
--border:#dfe4f5;
--glow:rgba(91,140,255,.22);
--shadow:0 10px 30px rgba(30,45,110,.1);
--shadow-hover:0 18px 46px rgba(91,140,255,.2);
}
body{
background:
radial-gradient(1200px 620px at 12% -8%,rgba(91,140,255,.12),transparent 60%),
radial-gradient(1000px 560px at 88% 4%,rgba(180,91,255,.1),transparent 62%),
linear-gradient(180deg,#f4f6fd 0%,#eef2ff 45%,#f4f6fd 100%);
color:var(--text);
}
header{background:rgba(255,255,255,.78)}
h1{background:linear-gradient(120deg,#1a2350 0%,#3b4a8f 45%,#7a3bd6 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
p,.article p,.faq-a,.howto li{color:#3d476b}
.lead{background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(240,243,255,.85));color:var(--text)}
.banner{background:radial-gradient(700px 320px at 15% 0%,rgba(91,140,255,.28),transparent 65%),radial-gradient(620px 340px at 88% 100%,rgba(180,91,255,.26),transparent 65%),linear-gradient(135deg,#e4ebff 0%,#efe4ff 55%,#e8eeff 100%);border-color:rgba(91,140,255,.35)}
.banner h2{color:#1a2350}
.banner p{color:#4a5680}
.stat,.card,.article,.faq-item,.contact-item{background:linear-gradient(160deg,rgba(255,255,255,.98),rgba(244,246,253,.9))}
#toTop{color:#fff}
}