*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#0A0E27;
  --bg-panel:#11163A;
  --bg-raised:#151B3B;
  --purple:#B537F2;
  --orange:#FF6B35;
  --gold:#F2C94C;
  --cyan:#00F0FF;
  --text:#E6E9F0;
  --text-dim:#8B93B5;
  --line:#2D3561;
  --header-h:64px;
  --rail-w:252px;
  --font-head:'Montserrat','Impact','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'Open Sans','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'Roboto Mono','Fira Code',Consolas,monospace;
}
html{scroll-behavior:smooth;}
body{min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:1rem;line-height:1.7;overflow-x:hidden;}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
address{font-style:normal;}
em,i{font-style:normal;}
::selection{background:var(--purple);color:#fff;}
[hidden]{display:none!important;}
:focus-visible{outline:2px dashed var(--cyan);outline-offset:3px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--line);border:2px solid var(--bg);}
::-webkit-scrollbar-thumb:hover{background:var(--purple);}
h1,h2,h3{font-family:var(--font-head);font-weight:800;line-height:1.15;}
h1{font-size:clamp(2.2rem,5vw,4rem);}
h2{font-size:clamp(1.6rem,3vw,2.5rem);}
h3{font-size:clamp(1.2rem,2vw,1.75rem);}
.mono{font-family:var(--font-mono);}
.skip-link{position:fixed;top:0;left:0;z-index:200;display:inline-block;padding:.6rem 1.2rem;background:var(--purple);color:#fff;font-family:var(--font-mono);font-size:.8rem;letter-spacing:.08em;transform:translateY(-130%);transition:transform .2s ease;}
.skip-link:focus{transform:translateY(0);color:#fff;}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);background:rgba(10,14,39,.96);border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 20px;}
@media(min-width:1024px){.header-inner{padding:0 28px;}}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:0;background:var(--cyan);z-index:120;transition:width .12s linear;}
.brand{display:inline-flex;flex-direction:column;line-height:1.15;gap:3px;}
.brand-badge{font-family:var(--font-head);font-weight:800;font-size:1.18rem;letter-spacing:.06em;color:#fff;}
.brand-code{color:var(--purple);}
.brand-slogan{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.24em;color:var(--text-dim);text-transform:uppercase;}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-phone{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.05em;color:var(--cyan);border:1px solid var(--line);padding:.32rem .7rem;transition:border-color .2s,color .2s;}
.header-phone:hover{border-color:var(--cyan);color:#fff;}
.header-loc{font-size:.68rem;letter-spacing:.08em;color:var(--text-dim);}
@media(max-width:640px){.header-phone,.header-loc{display:none;}}
.nav-toggle{position:relative;z-index:140;display:none;align-items:center;gap:.5rem;padding:.45rem .7rem;border:1px solid var(--line);background:var(--bg-panel);color:var(--cyan);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;}
.nav-toggle-text{letter-spacing:.08em;}
.nav-toggle-box{display:flex;flex-direction:column;gap:5px;width:18px;}
.nav-toggle-line{display:block;width:100%;height:2px;background:currentColor;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media(max-width:1023.98px){.nav-toggle{display:inline-flex;}}
.site-nav{position:fixed;top:var(--header-h);left:0;bottom:0;width:var(--rail-w);z-index:99;display:flex;flex-direction:column;background:var(--bg-panel);border-right:1px solid var(--line);padding:22px 0 0;}
.site-nav::after{content:"";display:block;height:4px;margin-top:auto;background:linear-gradient(90deg,var(--purple) 0 33%,var(--orange) 33% 66%,var(--cyan) 66%);}
.nav-head{padding:0 24px 18px;border-bottom:1px solid var(--line);margin-bottom:12px;}
.nav-index{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.3em;color:var(--purple);}
.nav-headline{display:block;margin-top:6px;font-size:.8rem;color:var(--text-dim);}
.nav-list{flex:1;overflow-y:auto;}
.nav-link{position:relative;display:grid;grid-template-columns:2rem 1fr;grid-template-areas:"no name" ".  sub";align-items:baseline;column-gap:12px;padding:12px 24px;border-left:2px solid transparent;transition:background .2s,border-color .2s;}
.nav-no{grid-area:no;font-family:var(--font-mono);font-size:.68rem;color:var(--cyan);}
.nav-name{grid-area:name;font-size:.95rem;font-weight:600;color:var(--text);}
.nav-sub{grid-area:sub;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);}
.nav-link:hover{background:rgba(181,55,242,.08);border-left-color:var(--purple);}
.nav-link[aria-current="page"]{background:linear-gradient(90deg,rgba(181,55,242,.2),rgba(181,55,242,0));border-left-color:var(--purple);}
.nav-link[aria-current="page"] .nav-no{color:var(--gold);}
.nav-link[aria-current="page"] .nav-name{color:#fff;}
.nav-foot{margin-top:auto;padding:16px 24px 0;border-top:1px solid var(--line);}
.nav-tip{display:block;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.04em;color:var(--text-dim);}
.nav-contact{display:inline-block;margin-top:10px;font-size:.85rem;font-weight:700;color:var(--orange);border-bottom:1px solid var(--orange);transition:color .2s,border-color .2s;}
.nav-contact:hover{color:var(--gold);border-color:var(--gold);}
.nav-overlay{position:fixed;inset:0;z-index:120;background:rgba(5,7,20,.74);opacity:0;pointer-events:none;transition:opacity .3s ease;display:none;}
@media(max-width:1023.98px){
  .site-nav{top:0;right:0;left:auto;width:min(350px,88vw);border-right:0;border-left:2px solid var(--purple);padding-top:84px;transform:translateX(106%);visibility:hidden;transition:transform .3s ease,visibility .3s;z-index:130;}
  .site-nav[data-open]{transform:translateX(0);visibility:visible;}
  .nav-overlay{display:block;}
  .site-nav[data-open] ~ .nav-overlay{opacity:1;pointer-events:auto;}
}
@media(min-width:1024px){.nav-overlay{display:none;}}
.main-content{margin-left:0;padding-top:var(--header-h);}
@media(min-width:1024px){.main-content{margin-left:var(--rail-w);}}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.page-head{padding:48px 0 28px;border-bottom:1px solid var(--line);}
.page-title{margin-top:10px;}
.page-kicker{margin-top:10px;color:var(--text-dim);max-width:640px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;color:var(--text-dim);}
.breadcrumb a{color:var(--cyan);transition:color .2s;}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb-item::after{content:"/";margin-left:6px;color:var(--line);}
.breadcrumb-item:last-child::after{content:"";}
.btn{display:inline-block;padding:.72rem 1.45rem;border:1px solid transparent;background:transparent;font-size:.9rem;font-weight:700;letter-spacing:.05em;transition:background .2s,border-color .2s,color .2s,transform .2s;}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--purple);color:#fff;}
.btn-primary:hover{background:#a020d8;border-color:var(--cyan);}
.btn-ghost{border:1px solid var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);}
.section{padding:clamp(40px,6vw,80px) 0;border-bottom:1px solid var(--line);}
.card{position:relative;padding:26px 24px;background:var(--bg-panel);border:1px solid var(--line);}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--purple);opacity:0;transition:opacity .2s;}
.card:hover::before{opacity:1;}
.card-title{font-size:1.1rem;margin-bottom:10px;}
.card-text{font-size:.9rem;color:var(--text-dim);}
.grid{display:grid;gap:26px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
@media(max-width:960px){.grid-2,.grid-3{grid-template-columns:1fr 1fr;}}
@media(max-width:640px){.grid-2,.grid-3{grid-template-columns:1fr;}}
.media-frame{position:relative;overflow:hidden;border:1px solid var(--line);background:var(--bg-panel);}
.media-frame::before{content:"";display:block;padding-top:56.25%;}
.media-frame.media-3-2::before{padding-top:66.66%;}
.media-frame.media-1-1::before{padding-top:100%;}
.media-frame > *{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.media-placeholder{background:linear-gradient(rgba(45,53,97,.6) 1px,transparent 1px) 0 0/24px 24px,linear-gradient(90deg,rgba(45,53,97,.6) 1px,transparent 1px) 0 0/24px 24px,radial-gradient(circle at 28% 32%,rgba(181,55,242,.18),transparent 58%),var(--bg-panel);}
.media-placeholder::after{content:"";position:absolute;right:18px;bottom:14px;border-right:2px solid var(--purple);border-bottom:2px solid var(--purple);width:22px;height:22px;}
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--cyan);}
.kicker::before{content:"";display:inline-block;width:20px;height:2px;background:var(--orange);}
.content{max-width:820px;}
.content h2,.content h3{margin:36px 0 14px;}
.content h2::before{content:"#";color:var(--purple);margin-right:8px;font-family:var(--font-mono);}
.content p{margin-bottom:18px;}
.content ul{padding-left:18px;list-style:square;color:var(--text-dim);margin-bottom:18px;}
.content li{margin-bottom:6px;}
.content a{color:var(--cyan);border-bottom:1px solid var(--line);transition:color .2s,border-color .2s;}
.content a:hover{color:var(--gold);border-color:var(--gold);}
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .5s ease-out,transform .5s ease-out;}
[data-reveal][data-shown]{opacity:1;transform:none;}
.site-footer{position:relative;z-index:10;margin-left:0;background:var(--bg-panel);border-top:1px solid var(--line);padding:56px 20px 0;}
@media(min-width:1024px){.site-footer{margin-left:var(--rail-w);}}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;}
.footer-brand-link{display:inline-flex;}
.footer-statement{max-width:280px;margin-top:14px;font-size:.85rem;color:var(--text-dim);}
.footer-trust{display:block;margin-top:16px;font-family:var(--font-mono);font-size:.64rem;letter-spacing:.18em;color:var(--cyan);}
.footer-col{min-width:0;}
.footer-title{margin-bottom:16px;font-family:var(--font-mono);font-size:.74rem;font-weight:400;letter-spacing:.22em;text-transform:uppercase;color:var(--purple);}
.footer-list li+li{margin-top:9px;}
.footer-list a{display:inline-block;padding-left:10px;border-left:2px solid var(--line);font-size:.9rem;color:var(--text-dim);transition:color .2s,border-color .2s;}
.footer-list a:hover{color:var(--gold);border-color:var(--gold);}
.footer-address{display:flex;flex-direction:column;gap:9px;font-size:.85rem;color:var(--text-dim);}
.footer-service{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-family:var(--font-mono);font-size:.66rem;line-height:1.6;color:var(--text-dim);}
.footer-bottom{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:10px 18px;padding:18px 0 24px;border-top:1px solid var(--line);flex-wrap:wrap;}
.footer-icp,.footer-note{font-family:var(--font-mono);font-size:.72rem;color:var(--text-dim);letter-spacing:.04em;}
.to-top{padding:.42rem .85rem;border:1px solid var(--line);background:transparent;color:var(--cyan);font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;transition:border-color .2s,color .2s;}
.to-top:hover{border-color:var(--cyan);color:#fff;}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}.site-footer{padding-top:48px;}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr;}.footer-bottom{flex-direction:column;align-items:flex-start;}}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;}
  [data-reveal]{opacity:1;transform:none;}
}