:root{--brand:#e94560;--brand2:#0f3460;--brand3:#533483;--dark:#1a1a2e;--light:#f5f5f7;--text:#222;--muted:#666;--bg:#fff;--card:#fff;--border:#e5e5ea;--glass:rgba(255,255,255,.6);--glass-border:rgba(255,255,255,.35);--shadow:0 12px 30px rgba(0,0,0,.08);--shadow-lg:0 20px 50px rgba(0,0,0,.14);}
[data-theme="dark"]{--light:#161625;--text:#e8e8ec;--muted:#a0a0b0;--bg:#0e0e18;--card:#1a1a2e;--border:#2a2a3e;--glass:rgba(26,26,46,.55);--glass-border:rgba(255,255,255,.08);--shadow:0 12px 30px rgba(0,0,0,.4);--shadow-lg:0 20px 50px rgba(0,0,0,.55);}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.8;font-size:16px;transition:background .3s,color .3s;overflow-x:hidden;}
a{color:var(--brand);text-decoration:none;transition:color .25s;}
a:hover{text-decoration:underline;}
img,svg{max-width:100%;display:block;}
ul{list-style:none;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}
::selection{background:var(--brand);color:#fff;}
header.site-header{position:sticky;top:0;z-index:1000;background:var(--glass);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(0,0,0,.06);transition:background .3s,border-color .3s;}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:16px;flex-wrap:wrap;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--text);transition:transform .3s;}
.logo:hover{text-decoration:none;transform:translateY(-1px);}
.logo svg{width:38px;height:38px;flex:0 0 auto;transition:transform .4s ease;}
.logo:hover svg{transform:rotate(-6deg) scale(1.05);}
.logo span small{display:block;font-size:11px;font-weight:400;color:var(--muted);}
nav.main-nav ul{display:flex;gap:22px;flex-wrap:wrap;}
nav.main-nav a{color:var(--text);font-size:15px;position:relative;padding:4px 0;transition:color .25s;}
nav.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand3));border-radius:2px;transition:width .3s ease;}
nav.main-nav a:hover{color:var(--brand);text-decoration:none;}
nav.main-nav a:hover::after{width:100%;}
.header-tools{display:flex;align-items:center;gap:10px;}
.search-box{display:flex;border:1px solid var(--border);border-radius:22px;overflow:hidden;background:var(--bg);transition:border-color .25s,box-shadow .25s;}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(233,69,96,.15);}
.search-box input{border:none;outline:none;padding:8px 16px;background:transparent;color:var(--text);font-size:14px;width:150px;}
.search-box button{border:none;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;padding:0 16px;cursor:pointer;font-size:14px;transition:opacity .25s;}
.search-box button:hover{opacity:.88;}
.theme-toggle,.menu-toggle{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:50%;width:38px;height:38px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:transform .3s,background .3s,border-color .3s;}
.theme-toggle:hover,.menu-toggle:hover{transform:scale(1.08);border-color:var(--brand);}
.menu-toggle{display:none;}
.breadcrumb{background:var(--light);padding:12px 0;font-size:14px;color:var(--muted);transition:background .3s;}
.breadcrumb ol{display:flex;gap:8px;flex-wrap:wrap;}
.breadcrumb li::after{content:"›";margin-left:8px;color:var(--muted);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.hero{position:relative;background:linear-gradient(135deg,#1a1a2e 0%,#0f3460 45%,#533483 100%);color:#fff;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-40%;right:-10%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(233,69,96,.45),transparent 70%);filter:blur(20px);pointer-events:none;}
.hero::after{content:"";position:absolute;bottom:-30%;left:-8%;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(83,52,131,.55),transparent 70%);filter:blur(20px);pointer-events:none;}
.slides{position:relative;min-height:360px;z-index:1;}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;padding:64px 20px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;pointer-events:none;}
.slide.active{opacity:1;position:relative;pointer-events:auto;}
.slide h1,.slide h2{font-size:clamp(24px,4vw,40px);line-height:1.3;margin-bottom:16px;letter-spacing:.5px;text-shadow:0 2px 18px rgba(0,0,0,.25);}
.slide p{max-width:720px;font-size:16px;color:rgba(255,255,255,.88);margin-bottom:22px;}
.slide .cta{display:inline-block;background:linear-gradient(135deg,var(--brand),#ff6b81);color:#fff;padding:12px 30px;border-radius:30px;font-weight:600;box-shadow:0 8px 24px rgba(233,69,96,.4);transition:transform .3s,box-shadow .3s,opacity .3s;}
.slide .cta:hover{text-decoration:none;transform:translateY(-3px);box-shadow:0 14px 32px rgba(233,69,96,.55);}
.slider-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:2;}
.slider-dots button{width:10px;height:10px;border-radius:50%;border:none;background:rgba(255,255,255,.4);cursor:pointer;transition:background .3s,transform .3s,width .3s;}
.slider-dots button:hover{transform:scale(1.2);}
.slider-dots button.active{background:var(--brand);width:26px;border-radius:6px;}
section{padding:56px 0;transition:background .3s;}
section:nth-child(even){background:var(--light);}
.section-title{text-align:center;margin-bottom:40px;}
.section-title h2{font-size:clamp(22px,3vw,30px);color:var(--text);margin-bottom:10px;position:relative;display:inline-block;padding-bottom:10px;}
.section-title h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:4px;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--brand3));}
.section-title p{color:var(--muted);max-width:760px;margin:0 auto;}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;margin-top:30px;}
.stat{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;text-align:center;transition:transform .3s,box-shadow .3s,border-color .3s;}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(233,69,96,.4);}
.stat .num{font-size:34px;font-weight:700;background:linear-gradient(135deg,var(--brand),var(--brand3));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat .label{color:var(--muted);font-size:14px;margin-top:6px;}
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:26px;transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;position:relative;overflow:hidden;}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand3));transform:scaleX(0);transform-origin:left;transition:transform .4s ease;}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(233,69,96,.3);}
.card:hover::before{transform:scaleX(1);}
.card h3{font-size:19px;margin-bottom:12px;color:var(--text);}
.card h4{font-size:16px;margin:14px 0 8px;color:var(--text);}
.card p{color:var(--muted);font-size:15px;}
.card svg{width:100%;height:auto;border-radius:12px;margin-bottom:16px;background:var(--light);transition:transform .4s ease;}
.card:hover svg{transform:scale(1.02);}
.article-list .article-item{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;margin-bottom:18px;transition:transform .3s,box-shadow .3s,border-color .3s;}
.article-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:rgba(233,69,96,.3);}
.article-item h3{font-size:18px;margin-bottom:8px;color:var(--text);}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:10px;display:flex;gap:16px;flex-wrap:wrap;}
.article-item p{color:var(--muted);font-size:15px;margin-bottom:10px;}
.read-more{font-size:14px;font-weight:600;display:inline-block;transition:transform .25s;}
.read-more:hover{transform:translateX(4px);text-decoration:none;}
.faq-item{border:1px solid var(--border);border-radius:14px;margin-bottom:12px;background:var(--card);overflow:hidden;transition:border-color .3s,box-shadow .3s;}
.faq-item:hover{border-color:rgba(233,69,96,.35);}
.faq-item.open{box-shadow:var(--shadow);border-color:rgba(233,69,96,.45);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;font-family:inherit;transition:color .25s;}
.faq-q:hover{color:var(--brand);}
.faq-q::after{content:"+";font-size:22px;color:var(--brand);transition:transform .35s ease;flex:0 0 auto;}
.faq-item.open .faq-q::after{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s ease,padding .45s ease;padding:0 20px;}
.faq-item.open .faq-a{max-height:600px;padding:0 20px 18px;}
.faq-a p{color:var(--muted);font-size:15px;}
.howto-step{display:flex;gap:16px;margin-bottom:20px;align-items:flex-start;}
.step-num{flex:0 0 44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;box-shadow:0 6px 16px rgba(233,69,96,.35);transition:transform .3s;}
.howto-step:hover .step-num{transform:scale(1.1) rotate(-6deg);}
.step-body h4{margin-bottom:6px;}
.step-body p{color:var(--muted);font-size:15px;}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.contact-item{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px;transition:transform .3s,box-shadow .3s,border-color .3s;}
.contact-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(233,69,96,.35);}
.contact-item h4{margin-bottom:8px;font-size:16px;color:var(--text);}
.contact-item p{color:var(--muted);font-size:15px;}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease;}
.reveal.visible{opacity:1;transform:none;}
footer.site-footer{background:linear-gradient(160deg,#1a1a2e,#0f3460);color:#c8c8d8;padding:50px 0 20px;font-size:14px;}
footer.site-footer a{color:#c8c8d8;transition:color .25s;}
footer.site-footer a:hover{color:#fff;text-decoration:none;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px;}
.footer-grid h4{color:#fff;margin-bottom:14px;font-size:16px;}
.footer-grid li{margin-bottom:8px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;color:#8a8a9a;font-size:13px;line-height:2;}
#backToTop{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;font-size:20px;cursor:pointer;display:none;z-index:999;box-shadow:0 6px 18px rgba(233,69,96,.4);transition:transform .3s,box-shadow .3s;}
#backToTop:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 12px 28px rgba(233,69,96,.55);}
#backToTop.show{display:block;animation:fadeInUp .3s ease;}
@keyframes fadeInUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.tag{display:inline-block;background:rgba(233,69,96,.12);color:var(--brand);padding:3px 12px;border-radius:20px;font-size:13px;margin:0 6px 6px 0;transition:background .25s,color .25s;}
.tag:hover{background:var(--brand);color:#fff;}
.timeline{border-left:3px solid var(--brand);padding-left:24px;margin-top:20px;}
.timeline-item{margin-bottom:22px;position:relative;transition:transform .3s;}
.timeline-item:hover{transform:translateX(4px);}
.timeline-item::before{content:"";position:absolute;left:-32px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--brand);border:3px solid var(--bg);transition:transform .3s,box-shadow .3s;}
.timeline-item:hover::before{transform:scale(1.25);box-shadow:0 0 0 4px rgba(233,69,96,.2);}
.timeline-item h4{margin-bottom:4px;}
.timeline-item span{font-size:13px;color:var(--brand);font-weight:600;}
.timeline-item p{color:var(--muted);font-size:15px;}
table{width:100%;border-collapse:collapse;margin-top:16px;font-size:15px;border-radius:12px;overflow:hidden;}
th,td{border:1px solid var(--border);padding:12px;text-align:left;}
th{background:var(--light);color:var(--text);}
td{color:var(--muted);}
tr{transition:background .25s;}
tbody tr:hover{background:rgba(233,69,96,.05);}
blockquote{border-left:4px solid var(--brand);background:var(--light);padding:16px 20px;border-radius:10px;margin:16px 0;color:var(--muted);transition:transform .3s,box-shadow .3s;}
blockquote:hover{transform:translateX(4px);box-shadow:var(--shadow);}
@media(max-width:860px){
nav.main-nav{display:none;width:100%;}
nav.main-nav.open{display:block;animation:fadeInUp .3s ease;}
nav.main-nav ul{flex-direction:column;gap:0;padding:10px 0;}
nav.main-nav li{border-bottom:1px solid var(--border);}
nav.main-nav li:last-child{border-bottom:none;}
nav.main-nav a{display:block;padding:12px 4px;}
nav.main-nav a::after{display:none;}
.menu-toggle{display:flex;}
.search-box input{width:110px;}
.slide{padding:48px 16px;}
.slides{min-height:320px;}
section{padding:44px 0;}
.card{padding:22px;}
}
@media(max-width:560px){
.header-inner{padding:10px 0;gap:10px;}
.logo{font-size:17px;}
.logo svg{width:32px;height:32px;}
.logo span small{font-size:10px;}
.search-box input{width:80px;padding:7px 12px;}
.search-box button{padding:0 12px;}
.theme-toggle,.menu-toggle{width:34px;height:34px;font-size:14px;}
.slide h1,.slide h2{font-size:22px;}
.slide p{font-size:14px;}
.slide .cta{padding:10px 22px;font-size:14px;}
.grid-2,.grid-3{gap:16px;}
.card{padding:18px;border-radius:14px;}
.stat .num{font-size:28px;}
.article-item{padding:18px;}
.faq-q{padding:15px 16px;font-size:15px;}
.faq-a{padding:0 16px;}
.faq-item.open .faq-a{padding:0 16px 16px;}
.howto-step{gap:12px;}
.step-num{flex:0 0 38px;height:38px;font-size:16px;}
#backToTop{right:16px;bottom:16px;width:42px;height:42px;font-size:18px;}
.footer-grid{gap:22px;}
}
@media(prefers-reduced-motion:reduce){
*{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
.reveal{opacity:1;transform:none;}
}