*{margin:0;padding:0;box-sizing:border-box}
:root{
--brand:#6c5ce7;
--brand2:#00b894;
--brand3:#a29bfe;
--accent:#fd79a8;
--bg:#ffffff;
--bg-soft:#f7f7fb;
--fg:#1a1a2e;
--muted:#666;
--card:#f7f7fb;
--line:#e6e6ef;
--glass:rgba(255,255,255,.16);
--glass-border:rgba(255,255,255,.35);
--shadow:0 12px 30px rgba(108,92,231,.12);
--shadow-lg:0 20px 48px rgba(26,26,46,.16);
--radius:16px;
--radius-sm:12px;
--radius-lg:24px;
--ease:cubic-bezier(.22,.68,.32,1);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
background:var(--bg);
color:var(--fg);
line-height:1.8;
font-size:16px;
-webkit-font-smoothing:antialiased;
-moz-osx-font-smoothing:grayscale;
overflow-x:hidden;
transition:background .35s var(--ease),color .35s var(--ease);
}
body.dark{
--bg:#12121c;
--bg-soft:#181826;
--fg:#eaeaf2;
--muted:#a0a0b8;
--card:#1c1c2b;
--line:#2a2a3d;
--glass:rgba(255,255,255,.06);
--glass-border:rgba(255,255,255,.14);
--shadow:0 12px 30px rgba(0,0,0,.4);
--shadow-lg:0 20px 48px rgba(0,0,0,.55);
}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease)}
a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}
ul,ol{list-style:none}
::selection{background:rgba(108,92,231,.28);color:inherit}
:focus-visible{outline:3px solid rgba(108,92,231,.55);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
header.site{
position:sticky;top:0;z-index:100;
background:var(--bg);
border-bottom:1px solid var(--line);
transition:box-shadow .3s var(--ease),background .3s var(--ease),backdrop-filter .3s var(--ease);
}
header.site.scrolled{
box-shadow:0 6px 24px rgba(26,26,46,.1);
background:color-mix(in srgb,var(--bg) 88%,transparent);
backdrop-filter:saturate(180%) blur(14px);
-webkit-backdrop-filter:saturate(180%) blur(14px);
}
body.dark header.site.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--fg);letter-spacing:.3px}
.logo svg{width:36px;height:36px;transition:transform .4s var(--ease)}
.logo:hover{text-decoration:none}
.logo:hover svg{transform:rotate(-8deg) scale(1.06)}
.nav-links{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
.nav-links a{color:var(--fg);font-size:15px;font-weight:500;position:relative;padding:4px 0}
.nav-links a::after{
content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
background:linear-gradient(90deg,var(--brand),var(--brand2));
border-radius:2px;transition:width .3s var(--ease);
}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.nav-links a:hover::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:12px}
.search-box{
display:flex;align-items:center;gap:6px;
border:1px solid var(--line);border-radius:24px;padding:5px 8px 5px 14px;
background:var(--card);
transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(108,92,231,.14)}
.search-box input{
border:none;outline:none;background:transparent;color:var(--fg);
width:130px;font-size:14px;font-family:inherit;
}
.search-box input::placeholder{color:var(--muted)}
.search-box button{
border:none;background:linear-gradient(135deg,var(--brand),var(--brand3));
color:#fff;font-size:13px;font-weight:600;cursor:pointer;
padding:6px 14px;border-radius:18px;font-family:inherit;
transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box button:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(108,92,231,.4)}
.icon-btn,.menu-toggle{
border:1px solid var(--line);background:var(--card);
border-radius:50%;width:38px;height:38px;cursor:pointer;
display:flex;align-items:center;justify-content:center;
color:var(--fg);font-size:16px;font-family:inherit;
transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.menu-toggle{border-radius:10px;font-size:18px}
.icon-btn:hover,.menu-toggle:hover{transform:translateY(-2px) rotate(6deg);border-color:var(--brand)}
@media(max-width:900px){
.nav-links{
display:none;position:absolute;top:68px;left:0;right:0;
background:color-mix(in srgb,var(--bg) 94%,transparent);
backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
flex-direction:column;align-items:flex-start;
padding:16px 20px;border-bottom:1px solid var(--line);gap:14px;
box-shadow:0 16px 32px rgba(26,26,46,.12);
}
.nav-links.open{display:flex;animation:slideDown .32s var(--ease)}
.menu-toggle{display:flex}
.search-box{display:none}
}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}

/* ===== Hero / Gradient Banner ===== */
.hero{
position:relative;overflow:hidden;color:#fff;
padding:64px 0 72px;
background:linear-gradient(135deg,#6c5ce7 0%,#a29bfe 48%,#00b894 100%);
background-size:200% 200%;
animation:gradientShift 16s ease infinite;
}
@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.hero::before,.hero::after{
content:"";position:absolute;border-radius:50%;pointer-events:none;
filter:blur(60px);opacity:.55;
}
.hero::before{width:420px;height:420px;background:#fd79a8;top:-160px;right:-120px;animation:floatBlob 14s ease-in-out infinite}
.hero::after{width:340px;height:340px;background:#55efc4;bottom:-150px;left:-100px;animation:floatBlob 18s ease-in-out infinite reverse}
@keyframes floatBlob{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,-24px) scale(1.12)}}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:40px;line-height:1.3;margin-bottom:16px;font-weight:800;letter-spacing:-.5px;text-shadow:0 2px 20px rgba(0,0,0,.12)}
.hero h1 .kw{
background:linear-gradient(90deg,#ffeaa7,#fdcb6e);
-webkit-background-clip:text;background-clip:text;
-webkit-text-fill-color:transparent;color:#ffeaa7;
}
.hero p.lead{font-size:18px;max-width:760px;margin-bottom:24px;opacity:.96}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
display:inline-block;padding:12px 26px;border-radius:30px;
font-weight:600;font-size:16px;cursor:pointer;border:none;
font-family:inherit;position:relative;overflow:hidden;
transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.btn-primary{background:#fff;color:#6c5ce7}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(0,0,0,.22);text-decoration:none}
.btn-ghost{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.3);transform:translateY(-3px);text-decoration:none}

/* ===== Banner Carousel (Glass) ===== */
.banner-wrap{
margin-top:36px;border-radius:var(--radius-lg);overflow:hidden;position:relative;
background:var(--glass);
border:1px solid var(--glass-border);
backdrop-filter:blur(14px) saturate(160%);
-webkit-backdrop-filter:blur(14px) saturate(160%);
box-shadow:0 12px 40px rgba(0,0,0,.14);
}
.banner-slide{display:none;padding:26px 30px 40px;min-height:120px}
.banner-slide.active{display:block;animation:fadein .6s var(--ease)}
@keyframes fadein{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.banner-slide h2{font-size:22px;margin-bottom:6px;font-weight:700}
.banner-slide p{opacity:.92;font-size:15px;margin:0}
.banner-dots{position:absolute;bottom:14px;right:22px;display:flex;gap:8px}
.banner-dots span{
width:10px;height:10px;border-radius:50%;
background:rgba(255,255,255,.5);cursor:pointer;
transition:background .3s var(--ease),transform .3s var(--ease),width .3s var(--ease);
}
.banner-dots span:hover{transform:scale(1.2)}
.banner-dots span.active{background:#fff;width:24px;border-radius:6px}

/* ===== Breadcrumb ===== */
.breadcrumb{
font-size:14px;color:var(--muted);
padding:14px 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}

/* ===== Anchor Nav ===== */
.anchor-nav{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 0}
.anchor-nav a{
font-size:14px;padding:6px 14px;border:1px solid var(--line);
border-radius:20px;background:var(--card);color:var(--fg);
transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),background .25s var(--ease);
}
.anchor-nav a:hover{
border-color:var(--brand);color:var(--brand);
transform:translateY(-2px);text-decoration:none;
background:rgba(108,92,231,.08);
}

/* ===== Sections ===== */
section{padding:56px 0;position:relative}
section.alt{background:var(--bg-soft)}
h2.sec-title{
font-size:30px;font-weight:800;margin-bottom:10px;
position:relative;display:inline-block;letter-spacing:-.4px;
}
h2.sec-title::after{
content:"";display:block;width:56px;height:4px;
background:linear-gradient(90deg,var(--brand),var(--brand2));
border-radius:2px;margin-top:10px;
}
.sec-sub{color:var(--muted);margin-bottom:32px;font-size:15px}
h3{font-size:21px;font-weight:700;margin:26px 0 12px;letter-spacing:-.2px}
h4{font-size:17px;font-weight:700;margin:18px 0 8px}
p{margin-bottom:14px;color:var(--fg)}
.muted{color:var(--muted)}
strong{font-weight:700}

/* ===== Grid / Cards (Rounded + Glass hover) ===== */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}}
.card{
background:var(--bg);
border:1px solid var(--line);
border-radius:var(--radius);
padding:22px;
position:relative;overflow:hidden;
transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card::before{
content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
background:linear-gradient(135deg,rgba(108,92,231,.08),rgba(0,184,148,.08));
opacity:0;transition:opacity .3s var(--ease);
}
.card:hover{
transform:translateY(-6px);
box-shadow:var(--shadow);
border-color:rgba(108,92,231,.35);
}
.card:hover::before{opacity:1}
.card h4{margin-top:0;position:relative;z-index:1}
.card p{position:relative;z-index:1}
.card .icon{
width:46px;height:46px;margin-bottom:12px;
transition:transform .4s var(--ease);position:relative;z-index:1;
}
.card:hover .icon{transform:scale(1.12) rotate(-4deg)}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
@media(max-width:700px){.stats{grid-template-columns:1fr 1fr}}
.stat-num{
font-size:38px;font-weight:800;line-height:1.1;
background:linear-gradient(135deg,var(--brand),var(--brand2));
-webkit-background-clip:text;background-clip:text;
-webkit-text-fill-color:transparent;
font-variant-numeric:tabular-nums;
}
.stat-label{color:var(--muted);font-size:14px;margin-top:4px}

/* ===== Reveal Animation ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
.reveal{opacity:1;transform:none}
html{scroll-behavior:auto}
}

/* ===== Article Cards ===== */
.article-card{
background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
padding:20px;display:flex;flex-direction:column;
position:relative;overflow:hidden;
transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.article-card::after{
content:"";position:absolute;left:0;top:0;height:3px;width:0;
background:linear-gradient(90deg,var(--brand),var(--brand2));
transition:width .35s var(--ease);
}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(108,92,231,.3)}
.article-card:hover::after{width:100%}
.article-card .meta{
font-size:13px;color:var(--muted);margin-bottom:8px;
display:flex;gap:10px;flex-wrap:wrap;
}
.article-card h4{margin:0 0 8px;font-size:17px;line-height:1.5}
.article-card p{font-size:14px;color:var(--muted);flex:1;margin-bottom:0}
.article-card a.more{
margin-top:12px;font-size:14px;font-weight:600;
display:inline-block;transition:transform .25s var(--ease);
}
.article-card a.more:hover{transform:translateX(4px);text-decoration:none}

/* ===== FAQ Accordion ===== */
.faq-item{
border:1px solid var(--line);border-radius:var(--radius-sm);
margin-bottom:12px;overflow:hidden;background:var(--bg);
transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item:hover{border-color:rgba(108,92,231,.35)}
.faq-item.open{border-color:rgba(108,92,231,.5);box-shadow:0 8px 24px rgba(108,92,231,.1)}
.faq-q{
width:100%;text-align:left;padding:16px 20px;
background:transparent;border:none;font-size:16px;font-weight:600;
color:var(--fg);cursor:pointer;
display:flex;justify-content:space-between;align-items:center;gap:12px;
font-family:inherit;line-height:1.6;
transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q .arrow{transition:transform .35s var(--ease);color:var(--brand);flex-shrink:0}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .arrow{transform:rotate(180deg)}
.faq-a{
max-height:0;overflow:hidden;
transition:max-height .4s var(--ease),padding .4s var(--ease);
padding:0 20px;color:var(--muted);font-size:15px;
}
.faq-a p{margin:0;color:var(--muted)}
.faq-item.open .faq-a{max-height:800px;padding:0 20px 18px}

/* ===== Steps ===== */
.steps{counter-reset:step;list-style:none}
.steps li{position:relative;padding-left:56px;margin-bottom:22px}
.steps li::before{
counter-increment:step;content:counter(step);
position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;
background:linear-gradient(135deg,var(--brand),var(--brand2));
color:#fff;display:flex;align-items:center;justify-content:center;
font-weight:700;box-shadow:0 6px 16px rgba(108,92,231,.3);
transition:transform .3s var(--ease);
}
.steps li:hover::before{transform:scale(1.1)}
.steps li h4{margin-top:0}

/* ===== Testimonials ===== */
.testimonial{
background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
padding:24px;position:relative;overflow:hidden;
transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.testimonial::before{
content:"\201C";position:absolute;top:-10px;right:16px;
font-size:80px;line-height:1;color:rgba(108,92,231,.12);
font-family:Georgia,serif;pointer-events:none;
}
.testimonial:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(108,92,231,.3)}
.testimonial .quote{font-size:15px;color:var(--fg);margin-bottom:16px;position:relative;z-index:1}
.testimonial .who{display:flex;align-items:center;gap:12px}
.testimonial .avatar{width:44px;height:44px;border-radius:50%;overflow:hidden;flex-shrink:0}
.testimonial .who .name{font-weight:700;font-size:15px}
.testimonial .who .role{font-size:13px;color:var(--muted)}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr}}
.contact-item{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start}
.contact-item .ci-icon{width:40px;height:40px;flex-shrink:0;transition:transform .3s var(--ease)}
.contact-item:hover .ci-icon{transform:scale(1.1) rotate(-4deg)}
.contact-item .ci-text strong{display:block;font-size:15px}
.contact-item .ci-text span{font-size:14px;color:var(--muted);word-break:break-word}

/* ===== Author Box ===== */
.author-box{
display:flex;gap:16px;background:var(--card);
border:1px solid var(--line);border-radius:var(--radius);
padding:20px;margin-top:20px;align-items:center;
transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.author-box:hover{box-shadow:var(--shadow);border-color:rgba(108,92,231,.3)}
.author-box .avatar{width:64px;height:64px;border-radius:50%;overflow:hidden;flex-shrink:0}
.author-box .info strong{font-size:16px;display:block}
.author-box .info span{font-size:14px;color:var(--muted)}

/* ===== Table ===== */
.table-wrap{overflow-x:auto;margin:18px 0;border-radius:var(--radius-sm);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{border:1px solid var(--line);padding:12px 14px;text-align:left}
th{background:var(--card);font-weight:700;white-space:nowrap}
tbody tr{transition:background .25s var(--ease)}
tbody tr:hover{background:rgba(108,92,231,.06)}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--line);margin:20px 0}
.timeline .tl-item{position:relative;margin-bottom:24px}
.timeline .tl-item::before{
content:"";position:absolute;left:-37px;top:4px;width:14px;height:14px;
border-radius:50%;background:var(--brand);border:3px solid var(--bg);
box-shadow:0 0 0 3px rgba(108,92,231,.18);
transition:transform .3s var(--ease);
}
.timeline .tl-item:hover::before{transform:scale(1.3)}
.timeline .tl-year{font-weight:800;color:var(--brand);font-size:16px}

/* ===== Highlight & Notice ===== */
.highlight-box{
background:linear-gradient(135deg,rgba(108,92,231,.08),rgba(0,184,148,.08));
border:1px solid var(--line);border-radius:var(--radius);
padding:24px;margin:20px 0;
backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.highlight-box ul{list-style:disc;padding-left:20px}
.highlight-box li{margin-bottom:6px;font-size:15px}
.notice{
background:rgba(253,121,168,.08);border-left:4px solid var(--accent);
padding:16px 20px;border-radius:8px;margin:18px 0;font-size:15px;
}
.notice strong{color:var(--accent)}

/* ===== Tag ===== */
.tag{
display:inline-block;font-size:12px;padding:3px 10px;border-radius:12px;
background:rgba(108,92,231,.12);color:var(--brand);
margin-right:6px;margin-bottom:6px;
transition:background .25s var(--ease),transform .25s var(--ease);
}
.tag:hover{background:rgba(108,92,231,.22);transform:translateY(-1px)}

/* ===== Footer ===== */
footer.site{
background:#12121c;color:#c8c8d8;
padding:48px 0 24px;margin-top:20px;
position:relative;overflow:hidden;
}
footer.site::before{
content:"";position:absolute;top:0;left:0;right:0;height:3px;
background:linear-gradient(90deg,var(--brand),var(--brand3),var(--brand2));
}
footer.site a{color:#c8c8d8;transition:color .25s var(--ease),padding-left .25s var(--ease)}
footer.site a:hover{color:#fff;text-decoration:none;padding-left:4px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:32px}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:500px){.footer-grid{grid-template-columns:1fr}}
footer.site h5{color:#fff;font-size:16px;margin-bottom:14px;position:relative;padding-bottom:8px}
footer.site h5::after{
content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;
background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:2px;
}
footer.site ul li{margin-bottom:8px;font-size:14px}
.footer-bottom{
border-top:1px solid #2a2a3d;padding-top:20px;font-size:13px;color:#8888a0;
display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}

/* ===== Back To Top ===== */
.back-top{
position:fixed;right:24px;bottom:24px;width:48px;height:48px;
border-radius:50%;
background:linear-gradient(135deg,var(--brand),var(--brand2));
color:#fff;border:none;cursor:pointer;
display:none;align-items:center;justify-content:center;
font-size:20px;font-family:inherit;
box-shadow:0 8px 24px rgba(108,92,231,.4);
z-index:200;
transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.back-top.show{display:flex;animation:popIn .35s var(--ease)}
.back-top:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 12px 32px rgba(108,92,231,.55)}
@keyframes popIn{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}

/* ===== Responsive Typography ===== */
@media(max-width:900px){
.hero h1{font-size:32px}
h2.sec-title{font-size:26px}
section{padding:44px 0}
}
@media(max-width:600px){
body{font-size:15px}
.hero{padding:48px 0 56px}
.hero h1{font-size:26px}
.hero p.lead{font-size:16px}
h2.sec-title{font-size:23px}
h3{font-size:19px}
.banner-slide{padding:20px 20px 40px}
.banner-slide h2{font-size:18px}
.stat-num{font-size:30px}
.btn{padding:11px 22px;font-size:15px}
.anchor-nav a{font-size:13px;padding:5px 12px}
.back-top{right:16px;bottom:16px;width:44px;height:44px}
}

/* ===== Print ===== */
@media print{
header.site,.back-top,.anchor-nav,.hero-actions,.banner-wrap{display:none!important}
body{background:#fff;color:#000}
.card,.article-card,.faq-item,.testimonial{box-shadow:none;border:1px solid #ccc}
}