@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Rajdhani:wght@400;600;700&display=swap');
:root{--primary:#0a1628;--accent:#00d4ff;--accent2:#ff4757;--text:#e8edf5;--muted:#8899aa;--surface:#0d1f3c;--surface2:#112244;--border:rgba(0,212,255,0.15);--grad:linear-gradient(135deg,#00d4ff,#0062ff)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans SC',sans-serif;background:var(--primary);color:var(--text);overflow-x:hidden}
a{text-decoration:none;color:inherit}
.btn{display:inline-block;cursor:pointer;border:none;font-family:inherit;font-size:14px;transition:.25s}
.btn-pri{background:var(--grad);color:#fff;padding:11px 30px;font-weight:600;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);letter-spacing:.5px}
.btn-pri:hover{opacity:.82;transform:translateY(-1px)}
.btn-out{background:transparent;color:var(--accent);border:1px solid var(--accent);padding:9px 26px;clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%)}
.btn-out:hover{background:rgba(0,212,255,.1)}
.stag{color:var(--accent);font-family:'Rajdhani',sans-serif;font-size:12px;letter-spacing:3px;text-transform:uppercase;margin-bottom:8px}
.stitle{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.2}
.stitle span{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.sec{padding:80px 0}
.wrap{max-width:1320px;margin:0 auto;padding:0 40px}
/* TOPBAR */
#topbar{position:fixed;top:0;left:0;right:0;z-index:2000;background:rgba(5,12,28,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.tb-main{height:64px;display:flex;align-items:center;justify-content:space-between;max-width:1320px;margin:0 auto;padding:0 40px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-hex{width:38px;height:38px;background:var(--grad);clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;color:#fff}
.logo-en{font-family:'Rajdhani',sans-serif;font-size:20px;font-weight:700;color:#fff;letter-spacing:1px;display:block}
.logo-cn{font-size:10px;color:var(--muted);letter-spacing:2px;display:block}
.top-nav{display:flex;align-items:center;height:64px;list-style:none}
.top-nav>li{height:100%;display:flex;align-items:center;position:relative}
.top-nav>li>a{color:var(--muted);font-size:14px;padding:0 16px;height:100%;display:flex;align-items:center;cursor:pointer;transition:.25s;white-space:nowrap;gap:4px}
.top-nav>li>a:hover,.top-nav>li.open>a,.top-nav>li>a.cur{color:#fff}
.top-nav>li>a.cur::after{content:'';position:absolute;bottom:0;left:16px;right:16px;height:2px;background:var(--accent)}
.nav-cta{background:var(--grad)!important;color:#fff!important;clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%);margin-left:8px;padding:0 18px!important}
/* MEGA */
.mega{position:absolute;top:64px;left:50%;transform:translateX(-50%);background:#07101f;border:1px solid var(--border);border-top:2px solid var(--accent);display:none;z-index:3000;min-width:920px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.top-nav>li.open .mega{display:flex}
.mega-cats{width:190px;background:#060e1c;border-right:1px solid var(--border);padding:12px 0;flex-shrink:0}
.mega-cat{padding:10px 18px;font-size:13px;color:var(--muted);cursor:pointer;transition:.2s;display:flex;align-items:center;gap:8px;border-left:2px solid transparent}
.mega-cat:hover,.mega-cat.act{color:#fff;background:rgba(0,212,255,.07);border-left-color:var(--accent)}
.mega-panels{flex:1;padding:20px 24px;overflow-y:auto;max-height:500px}
.mega-panel{display:none}
.mega-panel.act{display:block}
.mega-panel-title{font-size:11px;color:var(--accent);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.mega-sub-title{font-size:11px;color:var(--accent);letter-spacing:1px;padding:8px 0 5px 10px;border-bottom:1px solid var(--border);margin-bottom:2px;margin-top:10px}
.mega-cols{display:grid;grid-template-columns:repeat(auto-fill,minmax(185px,1fr))}
.mega-item{padding:8px 10px;cursor:pointer;transition:.2s;border-left:2px solid transparent}
.mega-item:hover{background:rgba(0,212,255,.07);border-left-color:var(--accent)}
.mega-item-name{font-size:13px;color:var(--text);font-weight:500}
.mega-item-desc{font-size:11px;color:var(--muted);margin-top:2px}
.dropdown{position:absolute;top:64px;left:0;background:#07101f;border:1px solid var(--border);border-top:2px solid var(--accent);display:none;min-width:150px;z-index:3000}
.top-nav>li.open .dropdown{display:block}
.dropdown a{display:block;padding:10px 18px;font-size:13px;color:var(--muted);transition:.2s;white-space:nowrap}
.dropdown a:hover{color:#fff;background:rgba(0,212,255,.07)}
/* FOOTER */
footer{background:#040c1a;border-top:1px solid var(--border);padding:52px 0 18px}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.foot-brand p{color:var(--muted);font-size:13px;line-height:1.8;margin-top:14px}
.foot-col h4{font-size:13px;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.foot-col ul{list-style:none}
.foot-col ul li{margin-bottom:8px}
.foot-col ul li a{color:var(--muted);font-size:12px;transition:.25s}
.foot-col ul li a:hover{color:var(--accent)}
.foot-bot{border-top:1px solid var(--border);padding-top:18px;display:flex;justify-content:space-between;align-items:center}
.foot-bot p{color:var(--muted);font-size:11px}
/* BREADCRUMB */
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:14px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:.2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:var(--accent)}
/* TAGS */
.tag{display:inline-block;background:rgba(0,212,255,.1);border:1px solid var(--border);color:var(--accent);font-size:11px;padding:3px 10px;letter-spacing:1px;margin:3px 4px 3px 0}
/* TOAST */
.toast{position:fixed;bottom:28px;right:28px;background:var(--surface);border:1px solid var(--accent);color:#fff;padding:12px 22px;font-size:13px;z-index:99999;animation:tin .25s ease}
@keyframes tin{from{transform:translateY(16px);opacity:0}to{transform:none;opacity:1}}
/* PAGE HERO */
.page-hero{background:var(--surface);border-bottom:1px solid var(--border);padding:52px 0 36px;margin-top:64px}
/* CARDS */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--border);overflow:hidden;transition:.3s}
.card:hover{border-color:var(--accent)}
.card-thumb{height:160px;background:linear-gradient(135deg,var(--surface2),var(--primary));display:flex;align-items:center;justify-content:center;font-size:52px}
.card-body{padding:18px}
.card-body h3{font-size:15px;font-weight:600;margin:8px 0 6px;line-height:1.4}
.card-body p{font-size:13px;color:var(--muted);line-height:1.6}
.card-meta{display:flex;justify-content:space-between;margin-top:10px;font-size:11px;color:var(--muted)}
.n-tag{display:inline-block;background:rgba(0,212,255,.12);color:var(--accent);font-size:11px;padding:3px 10px;letter-spacing:1px}
/* ARTICLE */
.article-wrap{max-width:860px;margin:0 auto;padding:48px 40px 80px}
.article-title{font-size:clamp(22px,3vw,36px);font-weight:900;line-height:1.3;margin-bottom:16px}
.article-meta{display:flex;gap:20px;color:var(--muted);font-size:12px;margin-bottom:28px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.article-body p{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:16px}
.article-body h2{font-size:20px;font-weight:700;margin:32px 0 12px;color:var(--text)}
.article-body h3{font-size:16px;font-weight:700;margin:24px 0 10px;color:var(--accent)}
.article-body li{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:6px;margin-left:20px}
.article-body strong{color:#fff}
/* PRODUCT DETAIL */
.pd-layout{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start;padding:52px 0 80px}
.pd-main h2{font-size:19px;font-weight:700;margin:28px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.pd-main h2:first-child{margin-top:0}
.pd-main p{color:var(--muted);font-size:14px;line-height:1.9;margin-bottom:12px}
.pd-feats{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0 18px}
.pd-feats li{display:flex;align-items:flex-start;gap:7px;font-size:13px;color:var(--muted)}
.pd-feats li::before{content:'✓';color:var(--accent);font-weight:700;flex-shrink:0}
.pd-sidebar{position:sticky;top:80px}
.pd-cta{background:var(--surface);border:1px solid var(--border);padding:24px;margin-bottom:16px}
.pd-cta h3{font-size:15px;font-weight:700;margin-bottom:10px}
.pd-cta p{font-size:13px;color:var(--muted);margin-bottom:18px;line-height:1.7}
.pd-related{background:var(--surface);border:1px solid var(--border);padding:20px}
.pd-related h3{font-size:12px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.pd-rel-item{padding:9px 0;border-bottom:1px solid var(--border);font-size:13px;color:var(--muted);transition:.2s;display:flex;align-items:center;gap:5px}
.pd-rel-item:last-child{border-bottom:none}
.pd-rel-item:hover{color:var(--accent)}
.pd-rel-item::before{content:'›';color:var(--accent)}
/* SOL TABS */
.sol-tabs{display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:32px;overflow-x:auto}
.sol-tabs::-webkit-scrollbar{display:none}
.sol-tab{padding:12px 22px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;font-size:13px;white-space:nowrap;transition:.25s}
.sol-tab:hover{color:#fff}
.sol-tab.act{color:#fff;border-bottom-color:var(--accent)}
/* CONTACT */
.fg{margin-bottom:16px}
.fg label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.fg input,.fg textarea,.fg select{width:100%;background:var(--surface);border:1px solid var(--border);color:#fff;padding:10px 14px;font-size:13px;font-family:inherit;outline:none;transition:.3s}
.fg input:focus,.fg textarea:focus{border-color:var(--accent)}
.fg textarea{height:100px;resize:vertical}
/* ADMIN */
.adm-top{background:#040c1a;border-bottom:1px solid var(--border);padding:0 28px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}
.adm-title{font-family:'Rajdhani',sans-serif;font-size:18px;font-weight:700;color:var(--accent)}
.adm-layout{display:grid;grid-template-columns:210px 1fr;min-height:calc(100vh - 56px)}
.adm-sidebar{background:#040c1a;border-right:1px solid var(--border);padding:20px 0}
.adm-mi{padding:10px 20px;color:var(--muted);cursor:pointer;transition:.25s;font-size:13px;display:flex;align-items:center;gap:8px;border-left:2px solid transparent}
.adm-mi:hover,.adm-mi.act{color:#fff;background:rgba(0,212,255,.07);border-left-color:var(--accent)}
.adm-mi-group{padding:6px 20px 2px;font-size:10px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-top:10px}
.adm-content{padding:28px}
.adm-sec{display:none}
.adm-sec.act{display:block}
.adm-sec-title{font-size:18px;font-weight:700;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}
.adm-table{width:100%;border-collapse:collapse}
.adm-table th{background:var(--surface);text-align:left;padding:10px 14px;font-size:11px;color:var(--muted);letter-spacing:1px;border-bottom:1px solid var(--border)}
.adm-table td{padding:12px 14px;border-bottom:1px solid var(--border);font-size:13px;color:var(--muted);vertical-align:middle}
.adm-table tr:hover td{background:var(--surface)}
.adm-badge{display:inline-block;padding:2px 9px;font-size:10px}
.badge-pub{background:rgba(0,212,255,.12);color:var(--accent)}
.badge-dft{background:rgba(255,71,87,.12);color:var(--accent2)}
.adm-form{background:var(--surface);border:1px solid var(--border);padding:28px;max-width:780px}
.adm-form .fg label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.adm-form input,.adm-form textarea,.adm-form select{width:100%;background:var(--primary);border:1px solid var(--border);color:#fff;padding:9px 12px;font-family:inherit;font-size:13px;outline:none;transition:.3s}
.adm-form input:focus,.adm-form textarea:focus{border-color:var(--accent)}
.adm-form textarea{height:200px;resize:vertical}
.cfg-card{background:var(--surface);border:1px solid var(--border);padding:24px;margin-bottom:18px;max-width:680px}
.cfg-card h3{font-size:14px;font-weight:700;margin-bottom:18px}
.btn-sm{padding:5px 14px;font-size:12px;cursor:pointer;border:none;font-family:inherit}
.btn-edit{background:rgba(0,212,255,.15);color:var(--accent)}
.btn-del{background:rgba(255,71,87,.15);color:var(--accent2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
/* LOGIN */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--primary)}
.login-box{background:var(--surface);border:1px solid var(--border);padding:44px 36px;width:340px}
.login-box h2{font-size:20px;font-weight:700;margin-bottom:6px}
.login-box p{color:var(--muted);font-size:13px;margin-bottom:28px}
/* PAGINATION */
.pagination{display:flex;gap:6px;justify-content:center;margin-top:40px}
.page-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--border);color:var(--muted);font-size:13px;cursor:pointer;transition:.2s}
.page-btn.act,.page-btn:hover{border-color:var(--accent);color:var(--accent)}
/* HERO ORBIT */
.orbit-ring{position:absolute;border:1px solid rgba(0,212,255,.18);border-radius:50%}
.orbit-ring .dot{position:absolute;width:7px;height:7px;background:var(--accent);border-radius:50%;box-shadow:0 0 8px var(--accent);top:-3.5px;left:50%;transform:translateX(-50%)}
.ring1{width:340px;height:340px;top:50%;left:50%;transform:translate(-50%,-50%) rotate(0deg);animation:spin1 9s linear infinite}
.ring2{width:430px;height:430px;top:50%;left:50%;transform:translate(-50%,-50%) rotate(0deg);animation:spin1 14s linear infinite reverse}
@keyframes spin1{to{transform:translate(-50%,-50%) rotate(360deg)}}
.shield-svg{width:280px;height:330px;filter:drop-shadow(0 0 28px rgba(0,212,255,.35));animation:float 4s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}