:root{
--brand:#e63946;--brand-2:#f77f00;--brand-3:#457b9d;
--bg:#ffffff;--bg-soft:#f5f6fa;--text:#1d1d1f;--text-soft:#5a5a66;
--line:#e6e8ef;--card:#ffffff;
--shadow:0 8px 30px rgba(20,20,40,.08);
--shadow-lg:0 18px 50px rgba(20,20,40,.14);
--glass:rgba(255,255,255,.62);
--glass-border:rgba(255,255,255,.55);
--radius:16px;--radius-lg:24px;--header-h:64px;
--grad-brand:linear-gradient(135deg,#e63946 0%,#f77f00 100%);
--grad-hero:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);
}
html[data-theme="dark"]{
--bg:#0f1020;--bg-soft:#171830;--text:#eef0f8;--text-soft:#a5a9c0;
--line:#262842;--card:#1a1c33;
--shadow:0 8px 30px rgba(0,0,0,.5);
--shadow-lg:0 18px 50px rgba(0,0,0,.6);
--glass:rgba(26,28,51,.62);
--glass-border:rgba(255,255,255,.08);
--grad-hero:linear-gradient(135deg,#0b0c1a 0%,#111633 50%,#0a1f3d 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
background:var(--bg);color:var(--text);line-height:1.8;font-size:16px;
-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
transition:background .35s ease,color .35s ease;
overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img,svg{max-width:100%;display:block}
ul,ol{list-style-position:outside}
::selection{background:rgba(230,57,70,.22);color:var(--text)}
.container{width:min(1180px,92%);margin:0 auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:10px;top:10px;background:var(--brand);color:#fff;padding:8px 14px;border-radius:8px;z-index:9999}
header.site-header{
position:sticky;top:0;z-index:1000;
background:var(--glass);
-webkit-backdrop-filter:saturate(180%) blur(14px);
backdrop-filter:saturate(180%) blur(14px);
border-bottom:1px solid var(--line);
transition:background .35s ease,border-color .35s ease,box-shadow .3s ease;
}
header.site-header.scrolled{box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;gap:18px;height:var(--header-h)}
.logo{
display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;
letter-spacing:.5px;white-space:nowrap;transition:transform .25s ease;
}
.logo:hover{transform:translateY(-1px)}
.logo svg{width:34px;height:34px;border-radius:10px;box-shadow:0 4px 14px rgba(230,57,70,.35);transition:transform .3s ease}
.logo:hover svg{transform:rotate(-6deg) scale(1.05)}
.logo .accent{color:var(--brand)}
nav.main-nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
nav.main-nav a{
position:relative;padding:8px 12px;border-radius:10px;font-size:14.5px;
color:var(--text-soft);transition:color .2s ease,background .2s ease;
}
nav.main-nav a::after{
content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
border-radius:2px;background:var(--grad-brand);
transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
nav.main-nav a:hover{color:var(--brand);background:var(--bg-soft)}
nav.main-nav a:hover::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:8px}
.search-box{
display:flex;align-items:center;gap:6px;background:var(--bg-soft);
border:1px solid transparent;border-radius:10px;padding:6px 10px;
transition:border-color .2s ease,box-shadow .2s ease,background .3s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(230,57,70,.14)}
.search-box input{
border:none;background:transparent;outline:none;color:var(--text);
width:130px;font-size:14px;font-family:inherit;
}
.search-box input::placeholder{color:var(--text-soft)}
.search-box button{border:none;background:transparent;cursor:pointer;color:var(--text-soft);display:grid;place-items:center;transition:color .2s ease}
.search-box button:hover{color:var(--brand)}
.icon-btn{
border:1px solid var(--line);background:var(--card);border-radius:10px;
width:38px;height:38px;cursor:pointer;display:grid;place-items:center;
color:var(--text);transition:border-color .2s ease,color .2s ease,transform .2s ease,background .3s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.icon-btn:active{transform:translateY(0)}
.menu-toggle{display:none}
.breadcrumb{font-size:13.5px;color:var(--text-soft);padding:14px 0;word-break:break-word}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{margin:0 6px;opacity:.6}
.hero{
position:relative;overflow:hidden;border-radius:var(--radius-lg);
margin:6px 0 28px;background:var(--grad-hero);color:#fff;
padding:56px 40px;min-height:340px;
box-shadow:0 24px 60px rgba(15,20,50,.28);
}
.hero::before{
content:"";position:absolute;inset:0;
background:radial-gradient(circle at 80% 20%,rgba(230,57,70,.38),transparent 45%),
radial-gradient(circle at 10% 90%,rgba(247,127,0,.30),transparent 40%),
radial-gradient(circle at 50% 50%,rgba(69,123,157,.22),transparent 60%);
pointer-events:none;
}
.hero::after{
content:"";position:absolute;inset:-40%;
background:conic-gradient(from 0deg,transparent 0deg,rgba(255,255,255,.05) 90deg,transparent 180deg);
animation:heroSweep 18s linear infinite;pointer-events:none;
}
@keyframes heroSweep{to{transform:rotate(360deg)}}
.hero-slide{position:relative;z-index:2;display:none}
.hero-slide.active{display:block;animation:fadeUp .6s cubic-bezier(.22,.68,.36,1)}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hero h1{
font-size:clamp(24px,4vw,40px);line-height:1.3;margin-bottom:14px;
font-weight:800;letter-spacing:-.5px;text-wrap:balance;
}
.hero h1 .accent{
color:#ffb703;
background:linear-gradient(120deg,#ffb703,#ff8c00);
-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p{font-size:16px;color:#d6d9e6;max-width:720px;margin-bottom:20px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:11px 22px;border-radius:12px;font-weight:600;font-size:15px;
cursor:pointer;border:none;font-family:inherit;
transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(230,57,70,.32)}
.btn-primary:hover{background:#c92f3c;transform:translateY(-2px);box-shadow:0 12px 28px rgba(230,57,70,.42)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
background:rgba(255,255,255,.12);color:#fff;
border:1px solid rgba(255,255,255,.25);
-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);border-color:rgba(255,255,255,.45)}
.hero-dots{position:relative;z-index:3;display:flex;gap:8px;margin-top:26px}
.hero-dots button{
width:26px;height:6px;border-radius:4px;border:none;
background:rgba(255,255,255,.3);cursor:pointer;
transition:background .25s ease,width .25s ease;
}
.hero-dots button:hover{background:rgba(255,255,255,.55)}
.hero-dots button.active{background:#ffb703;width:40px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0 40px}
.stat{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
padding:22px;text-align:center;box-shadow:var(--shadow);
transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
position:relative;overflow:hidden;
}
.stat::before{
content:"";position:absolute;top:0;left:0;right:0;height:3px;
background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
transition:transform .35s ease;
}
.stat:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(230,57,70,.3)}
.stat:hover::before{transform:scaleX(1)}
.stat .num{font-size:30px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat .label{font-size:13.5px;color:var(--text-soft);margin-top:4px}
section.block{padding:34px 0}
.section-head{
display:flex;align-items:flex-end;justify-content:space-between;
gap:16px;margin-bottom:22px;flex-wrap:wrap;
}
.section-head h2{
font-size:clamp(21px,2.6vw,28px);font-weight:800;
position:relative;padding-left:16px;letter-spacing:-.3px;
}
.section-head h2::before{
content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;
border-radius:4px;background:var(--grad-brand);
}
.section-head p{color:var(--text-soft);font-size:14.5px;max-width:640px}
.prose p{margin-bottom:14px;color:var(--text-soft);text-align:justify;word-break:break-word}
.prose h3{font-size:19px;margin:22px 0 10px;color:var(--text);letter-spacing:-.2px}
.prose h4{font-size:16px;margin:16px 0 8px;color:var(--text)}
.prose ul,.prose ol{margin:0 0 14px 22px;color:var(--text-soft)}
.prose li{margin-bottom:6px}
.prose a{color:var(--brand);font-weight:600}
.prose a:hover{text-decoration:underline}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
padding:22px;box-shadow:var(--shadow);
transition:transform .28s cubic-bezier(.22,.68,.36,1),border-color .28s ease,box-shadow .28s ease;
position:relative;
}
.card:hover{
transform:translateY(-5px);
border-color:rgba(230,57,70,.35);
box-shadow:var(--shadow-lg);
}
.card h3{font-size:17px;margin-bottom:8px;letter-spacing:-.2px}
.card p{font-size:14.5px;color:var(--text-soft)}
.card .tag{
display:inline-block;font-size:12px;padding:3px 10px;border-radius:20px;
background:rgba(230,57,70,.1);color:var(--brand);margin-bottom:10px;font-weight:600;
transition:background .2s ease;
}
.card:hover .tag{background:rgba(230,57,70,.16)}
.card .meta{
font-size:12.5px;color:var(--text-soft);margin-top:12px;
display:flex;gap:12px;flex-wrap:wrap;
}
.card .more{
display:inline-block;margin-top:12px;color:var(--brand);
font-weight:600;font-size:14px;transition:transform .2s ease;
}
.card .more:hover{text-decoration:underline;transform:translateX(3px)}
.feature-icon{
width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
background:var(--grad-brand);color:#fff;margin-bottom:12px;
box-shadow:0 8px 20px rgba(230,57,70,.28);
transition:transform .3s ease,box-shadow .3s ease;
}
.card:hover .feature-icon{transform:rotate(-6deg) scale(1.06);box-shadow:0 12px 26px rgba(230,57,70,.38)}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.article-item{
background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
padding:20px;box-shadow:var(--shadow);
transition:transform .28s cubic-bezier(.22,.68,.36,1),border-color .28s ease,box-shadow .28s ease;
position:relative;overflow:hidden;
}
.article-item::after{
content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
background:var(--grad-brand);transform:scaleY(0);transform-origin:top;
transition:transform .3s ease;
}
.article-item:hover{transform:translateY(-4px);border-color:rgba(69,123,157,.4);box-shadow:var(--shadow-lg)}
.article-item:hover::after{transform:scaleY(1)}
.article-item h3{font-size:16.5px;margin-bottom:8px;letter-spacing:-.2px}
.article-item .abs{font-size:14px;color:var(--text-soft);margin-bottom:10px;text-align:justify}
.article-item .meta{
font-size:12.5px;color:var(--text-soft);
display:flex;gap:14px;flex-wrap:wrap;
}
.article-item .more{
color:var(--brand);font-weight:600;font-size:14px;
display:inline-block;margin-top:10px;transition:transform .2s ease;
}
.article-item .more:hover{transform:translateX(4px)}
.faq-item{
border:1px solid var(--line);border-radius:14px;margin-bottom:12px;
background:var(--card);overflow:hidden;
transition:border-color .25s ease,box-shadow .25s ease,background .3s ease;
}
.faq-item:hover{border-color:rgba(230,57,70,.3)}
.faq-item.open{border-color:rgba(230,57,70,.45);box-shadow:0 8px 24px rgba(230,57,70,.1)}
.faq-q{
width:100%;text-align:left;background:transparent;border:none;
padding:16px 20px;font-size:15.5px;font-weight:600;color:var(--text);
cursor:pointer;display:flex;justify-content:space-between;gap:14px;align-items:center;
font-family:inherit;transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{
transition:transform .3s ease,color .2s ease;color:var(--brand);
font-size:20px;line-height:1;flex:0 0 auto;
}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.22,.68,.36,1)}
.faq-a-inner{padding:0 20px 18px;color:var(--text-soft);font-size:14.5px;text-align:justify}
.howto-step{display:flex;gap:16px;margin-bottom:18px}
.howto-step .step-num{
flex:0 0 40px;height:40px;border-radius:50%;
background:var(--grad-brand);color:#fff;display:grid;place-items:center;
font-weight:800;box-shadow:0 6px 16px rgba(230,57,70,.3);
transition:transform .25s ease;
}
.howto-step:hover .step-num{transform:scale(1.1) rotate(-6deg)}
.howto-step h4{margin-bottom:4px}
.howto-step p{font-size:14.5px;color:var(--text-soft)}
.case-card{display:flex;gap:16px;align-items:flex-start}
.case-card .avatar{
flex:0 0 52px;height:52px;border-radius:14px;
background:linear-gradient(135deg,var(--brand-3),var(--brand));
display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;
box-shadow:0 8px 20px rgba(69,123,157,.3);
transition:transform .3s ease;
}
.case-card:hover .avatar{transform:scale(1.08) rotate(-4deg)}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}
.contact-info{display:grid;gap:14px}
.contact-row{
display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-soft);
padding:12px 14px;border-radius:12px;background:var(--card);
border:1px solid var(--line);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.contact-row:hover{border-color:rgba(230,57,70,.35);transform:translateX(4px);box-shadow:var(--shadow)}
.contact-row strong{color:var(--text);display:block;font-size:14px}
.contact-row svg{flex:0 0 20px;color:var(--brand);margin-top:3px}
.map-box{
background:var(--bg-soft);border:1px dashed var(--line);border-radius:var(--radius);
min-height:220px;display:grid;place-items:center;color:var(--text-soft);
font-size:14px;text-align:center;padding:20px;
transition:border-color .25s ease,background .3s ease;
}
.map-box:hover{border-color:var(--brand)}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.team-card{
text-align:center;background:var(--card);border:1px solid var(--line);
border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.team-card:hover{transform:translateY(-5px);border-color:rgba(230,57,70,.35);box-shadow:var(--shadow-lg)}
.team-card .avatar{
width:64px;height:64px;border-radius:50%;margin:0 auto 12px;
background:linear-gradient(135deg,var(--brand-2),var(--brand));
display:grid;place-items:center;color:#fff;font-weight:800;font-size:22px;
box-shadow:0 8px 22px rgba(247,127,0,.3);
transition:transform .3s ease;
}
.team-card:hover .avatar{transform:scale(1.08) rotate(6deg)}
.team-card h4{font-size:15.5px}
.team-card p{font-size:13px;color:var(--text-soft);margin-top:4px}
.sitemap-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sitemap-links h4{font-size:15px;margin-bottom:10px;color:var(--text)}
.sitemap-links a{
display:block;font-size:14px;color:var(--text-soft);padding:3px 0;
transition:color .2s ease,transform .2s ease;
}
.sitemap-links a:hover{color:var(--brand);transform:translateX(3px)}
.friend-links{display:flex;flex-wrap:wrap;gap:10px}
.friend-links a{
font-size:14px;padding:6px 14px;border:1px solid var(--line);
border-radius:20px;color:var(--text-soft);
transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.friend-links a:hover{
color:var(--brand);border-color:var(--brand);
background:rgba(230,57,70,.06);transform:translateY(-2px);
}
footer.site-footer{
background:var(--bg-soft);border-top:1px solid var(--line);
margin-top:40px;padding:44px 0 24px;
transition:background .35s ease,border-color .35s ease;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.footer-grid h4{font-size:15px;margin-bottom:12px}
.footer-grid p,.footer-grid a{font-size:14px;color:var(--text-soft);display:block;padding:3px 0}
.footer-grid a{transition:color .2s ease,transform .2s ease}
.footer-grid a:hover{color:var(--brand);transform:translateX(3px)}
.footer-bottom{
border-top:1px solid var(--line);padding-top:18px;font-size:13px;
color:var(--text-soft);display:flex;justify-content:space-between;
gap:14px;flex-wrap:wrap;
}
.back-top{
position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
background:var(--brand);color:#fff;border:none;cursor:pointer;
display:grid;place-items:center;
box-shadow:0 8px 24px rgba(230,57,70,.42);
opacity:0;pointer-events:none;transform:translateY(12px);
transition:opacity .3s ease,transform .3s ease,background .2s ease;
z-index:1200;
}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.back-top:hover{background:#c92f3c;transform:translateY(-3px)}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s cubic-bezier(.22,.68,.36,1),transform .65s cubic-bezier(.22,.68,.36,1)}
.reveal.visible{opacity:1;transform:none}
.notice{
background:linear-gradient(135deg,rgba(230,57,70,.08),rgba(247,127,0,.08));
border:1px solid rgba(230,57,70,.2);border-radius:var(--radius);
padding:18px 22px;font-size:14.5px;color:var(--text-soft);
margin:20px 0;
-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
transition:border-color .25s ease,background .3s ease;
}
.notice:hover{border-color:rgba(230,57,70,.4)}
.notice strong{color:var(--brand)}
.anchor-nav{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 8px}
.anchor-nav a{
font-size:13.5px;padding:6px 14px;border-radius:20px;
background:var(--bg-soft);border:1px solid var(--line);color:var(--text-soft);
transition:color .2s ease,border-color .2s ease,transform .2s ease,background .2s ease;
}
.anchor-nav a:hover{
color:var(--brand);border-color:var(--brand);
transform:translateY(-2px);background:rgba(230,57,70,.06);
}
.table-wrap{
overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
margin:14px 0;-webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-soft);font-weight:700;white-space:nowrap}
tr:last-child td{border-bottom:none}
tbody tr{transition:background .2s ease}
tbody tr:hover{background:var(--bg-soft)}
@media(max-width:980px){
.stats,.grid-4,.team-grid,.sitemap-links{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(2,1fr)}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
:root{--header-h:58px}
nav.main-nav{
position:fixed;top:var(--header-h);left:0;right:0;
background:var(--glass);
-webkit-backdrop-filter:saturate(180%) blur(16px);
backdrop-filter:saturate(180%) blur(16px);
border-bottom:1px solid var(--line);
flex-direction:column;padding:10px 16px;gap:2px;display:none;
box-shadow:var(--shadow);max-height:calc(100vh - var(--header-h));overflow-y:auto;
}
nav.main-nav.open{display:flex;animation:fadeUp .3s ease}
nav.main-nav a{padding:10px 12px;font-size:15px}
nav.main-nav a::after{display:none}
.menu-toggle{display:grid}
.search-box input{width:90px}
.hero{padding:36px 22px;min-height:auto;border-radius:20px}
.hero p{font-size:15px}
.article-list,.grid-2,.grid-3,.grid-4,.stats,.team-grid,.sitemap-links{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.footer-bottom{flex-direction:column;gap:6px}
.back-top{right:16px;bottom:18px;width:42px;height:42px}
.stat .num{font-size:26px}
}
@media(max-width:380px){
.search-box{display:none}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{
animation-duration:.01ms !important;
animation-iteration-count:1 !important;
transition-duration:.01ms !important;
scroll-behavior:auto !important;
}
.reveal{opacity:1;transform:none}
}
@media print{
header.site-header,.back-top,.hero-dots,.menu-toggle,.anchor-nav{display:none !important}
body{background:#fff;color:#000}
.card,.stat,.article-item,.faq-item{box-shadow:none;border-color:#ccc}
}