*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px;-webkit-text-size-adjust:100%}
body{min-height:100vh;font-family:'Noto Sans SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.6;background:#0f0f16;color:#a0a0b0;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
ul,ol{list-style:none}
a{color:inherit}
button{font:inherit;cursor:pointer;border:none}
:focus-visible{outline:2px solid #39ff14;outline-offset:3px}

:root{
  --color-bg:#0f0f16;
  --color-neon:#8a2be2;
  --color-electric:#00d4ff;
  --color-mint:#39ff14;
  --color-warm:#a0a0b0;
  --color-white:#f5f5fa;
  --glass:rgba(255,255,255,.08);
  --gradient-primary:linear-gradient(135deg,#8a2be2 0%,#00d4ff 100%);
  --shadow-neon:0 0 20px rgba(138,43,226,.25);
  --header-height:72px;
}

.skip-link{position:fixed;left:16px;top:-100px;z-index:2000;background:#8a2be2;color:#f5f5fa;padding:.65rem 1.2rem;font-size:.9rem;font-weight:700;text-decoration:none;transition:top .2s ease}
.skip-link:focus{top:16px}

.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:linear-gradient(to bottom,rgba(15,15,22,.85),transparent);border-bottom:1px solid transparent;transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease}
.site-header[data-scrolled]{background:rgba(15,15,22,.95);border-bottom-color:rgba(138,43,226,.35);box-shadow:0 6px 24px rgba(0,0,0,.45);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.header-inner{max-width:1440px;margin:0 auto;min-height:72px;padding:0 clamp(1rem,4vw,2rem);display:flex;align-items:center;justify-content:space-between;gap:2rem;position:relative}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{width:42px;height:42px;border:2px solid #00d4ff;transform:rotate(45deg);position:relative;overflow:hidden}
.brand-mark::before{content:'';position:absolute;inset:4px;background:linear-gradient(135deg,#8a2be2,#00d4ff)}
.brand-text{display:flex;flex-direction:column}
.brand-title{font-size:1.1rem;font-weight:900;color:#f5f5fa;letter-spacing:.06em;line-height:1.2}
.brand-note{font-size:.7rem;letter-spacing:.24em;color:#a0a0b0;text-transform:uppercase;margin-top:2px}

.nav-toggle{display:none;align-items:center;gap:8px;background:none;color:#f5f5fa;padding:.5rem;z-index:1200;position:relative}
.nav-toggle-box{width:28px;height:16px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .3s}
.nav-toggle-bar{width:28px;height:2px;background:#f5f5fa;transition:transform .3s,opacity .3s}
.nav-toggle[data-open] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[data-open] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[data-open] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-toggle-text{font-size:.85rem;letter-spacing:.1em}

.site-nav{position:relative}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{position:relative;display:block;padding:.6rem 1rem;color:#a0a0b0;text-decoration:none;font-size:.95rem;font-weight:500;letter-spacing:.05em;transition:color .2s}
.nav-list a::after{content:'';position:absolute;left:1rem;right:calc(100% - 1rem);bottom:.35rem;height:2px;background:linear-gradient(90deg,#8a2be2,#00d4ff);transition:right .3s ease}
.nav-list a:hover::after,.nav-list a[aria-current="page"]::after{right:1rem}
.nav-list a:hover,.nav-list a[aria-current="page"]{color:#f5f5fa}

.main-content{display:block}
#main-content{scroll-margin-top:90px}

.site-footer{position:relative;background:linear-gradient(to bottom,#0f0f16,#120f1c);border-top:2px solid transparent;border-image:linear-gradient(90deg,#8a2be2,#00d4ff,#39ff14) 1;overflow:hidden}
.footer-glow{position:absolute;top:-100px;right:10%;width:400px;height:400px;background:radial-gradient(circle,rgba(0,212,255,.12),transparent 70%);pointer-events:none}
.footer-container{position:relative;z-index:1;max-width:1440px;margin:0 auto;padding:4rem clamp(1rem,4vw,2rem) 2rem;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:2.5rem}
.footer-brand{display:flex;flex-direction:column}
.footer-brand-link{font-size:1.5rem;font-weight:900;color:#f5f5fa;text-decoration:none;letter-spacing:.03em}
.footer-about{color:#a0a0b0;margin-top:1rem;max-width:30rem;font-size:.95rem}
.footer-trust{color:#39ff14;font-size:.9rem;margin-top:1.5rem;padding-left:.8rem;border-left:3px solid #39ff14;letter-spacing:.02em}
.footer-heading{color:#00d4ff;font-size:1rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.2rem}
.footer-links ul,.footer-legal ul{display:grid;gap:.85rem}
.footer-links a,.footer-legal a{color:#a0a0b0;text-decoration:none;transition:color .2s,padding-left .2s}
.footer-links a:hover,.footer-legal a:hover{color:#8a2be2;padding-left:.4rem}
.footer-contact .contact-list li{line-height:1.5}
.contact-list{display:grid;gap:.65rem;color:#a0a0b0;font-size:.9rem}
.footer-bottom{max-width:1440px;margin:0 auto;padding:1.4rem clamp(1rem,4vw,2rem);border-top:1px solid rgba(255,255,255,.06);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.8rem;color:#a0a0b0;font-size:.85rem;position:relative;z-index:1}

.container{max-width:1440px;margin:0 auto;padding-left:clamp(1rem,4vw,2rem);padding-right:clamp(1rem,4vw,2rem)}
.section{padding:6rem 0}
.section-sm{padding:3rem 0}
.section-head{max-width:720px;margin-bottom:3rem}
.section-title{font-size:clamp(2rem,4vw,3.2rem);letter-spacing:.02em}
.section-sub{color:#a0a0b0;font-size:1.05rem;margin-top:.8rem}
.lead{font-size:1.15rem;line-height:1.7}

.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.85rem 1.8rem;font-family:inherit;font-weight:700;font-size:1rem;letter-spacing:.04em;text-decoration:none;color:#fff;background:linear-gradient(135deg,#8a2be2,#00d4ff);border:none;clip-path:polygon(0 0,calc(100% - 14px) 0,100% 100%,14px 100%);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(138,43,226,.35)}
.btn:active{transform:translateY(0)}
.btn-secondary{background:rgba(255,255,255,.06);color:#00d4ff;border:1px solid #00d4ff}
.btn-secondary:hover{background:rgba(0,212,255,.1);box-shadow:0 0 20px rgba(0,212,255,.2)}

.grid{display:grid;gap:2rem}
.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:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);padding:2rem;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-6px);border-color:#8a2be2;box-shadow:0 10px 30px rgba(138,43,226,.18)}
.card-title{font-size:1.25rem;color:#f5f5fa;margin-bottom:.5rem}
.card-text{color:#a0a0b0}
.card-link{color:#00d4ff;text-decoration:none;font-weight:500}

.breadcrumb{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:1.5rem 0 3rem;font-size:.9rem}
.breadcrumb li{color:#a0a0b0}
.breadcrumb a{color:#00d4ff;text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:#8a2be2}
.breadcrumb li+li::before{content:'/';margin-right:.5rem;color:#8a2be2}

.image-frame{position:relative;overflow:hidden;background:rgba(255,255,255,.08);border:1px solid rgba(0,212,255,.2);aspect-ratio:16/9;transition:border-color .2s}
.image-frame:hover{border-color:#8a2be2}
.image-frame img{width:100%;height:100%;object-fit:cover}
.image-frame::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(138,43,226,.25),transparent 60%);pointer-events:none}
.image-placeholder{display:flex;align-items:center;justify-content:center;height:100%;color:#a0a0b0;font-size:.9rem;background:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 2px,transparent 2px 8px)}

html.js-ready [data-scroll-reveal]{opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease}
html.js-ready [data-scroll-reveal].is-visible{opacity:1;transform:none}

@media (max-width:1100px){
  .footer-container{grid-template-columns:1fr 1fr}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{position:fixed;top:0;right:0;height:100dvh;width:min(82vw,380px);z-index:1100;background:rgba(10,10,18,.98);border-left:2px solid #8a2be2;padding:6rem 2rem 2rem;transform:translateX(100%);transition:transform .3s ease;overflow-y:auto}
  .site-nav[data-open]{transform:translateX(0);box-shadow:-12px 0 40px rgba(0,0,0,.5)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list a{font-size:1.15rem;padding:1rem 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-list a::after{display:none}
  .nav-list a[aria-current="page"]{color:#8a2be2}
}
@media (max-width:700px){
  .footer-container{grid-template-columns:1fr;gap:2rem;padding-top:3rem}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  html.js-ready [data-scroll-reveal]{opacity:1;transform:none;transition:none}
}