/* ═══ Palette ═══
   bg:       #080c18
   surface:  #0c1124
   border:   #151d38
   accent:   #00d4aa (teal)
   accent2:  #0ea5e9 (sky blue)
   text:     #94a3b8
   heading:  #e2e8f0
*/

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scrollbar-width:none}
html::-webkit-scrollbar{display:none}
body{font-family:'Inter','Microsoft YaHei',-apple-system,sans-serif;
  background:#080c18;color:#94a3b8;line-height:1.65;overflow-x:hidden;
  background-image:
    radial-gradient(ellipse 80% 50% at 15% 85%,rgba(0,212,170,.03) 0%,transparent 50%),
    radial-gradient(ellipse 60% 40% at 85% 15%,rgba(14,165,233,.03) 0%,transparent 50%)}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
a{color:#00d4aa;text-decoration:none;transition:color .2s}
a:hover{color:#34eac4}

/* ═══ Buttons ═══ */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:10px;
  font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all .3s}
.btn-lg{padding:15px 36px;font-size:15px}
.btn-primary{background:linear-gradient(135deg,#00d4aa 0%,#0ea5e9 100%);
  color:#080c18;box-shadow:0 4px 24px rgba(0,212,170,.2)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 40px rgba(0,212,170,.35);color:#080c18}
.btn-outline{background:transparent;border:1.5px solid #1e2d4a;color:#64748b}
.btn-outline:hover{border-color:#00d4aa;color:#e2e8f0;background:rgba(0,212,170,.04)}
.btn-disabled{opacity:.35;cursor:default;pointer-events:none}
.btn-sm{display:inline-flex;align-items:center;gap:6px;background:#111a30;color:#94a3b8;padding:7px 16px;border-radius:8px;
  font-size:13px;border:none;cursor:pointer;transition:all .2s;text-decoration:none;vertical-align:middle;line-height:1}
.btn-sm:hover{background:#182240;color:#e2e8f0}
.btn-del{display:inline-flex;align-items:center;gap:6px;background:#1a1020;color:#f87171;border:none;border-radius:8px;
  cursor:pointer;padding:7px 16px;font-size:13px;transition:all .2s;vertical-align:middle;line-height:1}
.btn-del:hover{background:#2a1525;color:#fca5a5}
.admin-actions{display:flex;align-items:center;gap:6px}
.btn-sort{display:inline-flex;align-items:center;justify-content:center;background:#111a30;color:#475569;border:none;
  border-radius:6px;cursor:pointer;padding:6px 8px;font-size:12px;transition:all .2s;vertical-align:middle}
.btn-sort:hover{background:#182240;color:#94a3b8}

/* ═══ Nav ═══ */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(8,12,24,.75);backdrop-filter:blur(24px) saturate(1.5);
  border-bottom:1px solid rgba(21,29,56,.6)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;height:64px}
.logo{font-size:20px;font-weight:700;color:#00d4aa;display:flex;align-items:center;gap:10px}
.logo span{color:#e2e8f0}
.logo i{font-size:22px}
.nav-links{display:flex;gap:36px}
.nav-links a{color:#475569;font-size:14px;font-weight:500;position:relative;padding:4px 0;transition:color .2s}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;
  background:linear-gradient(90deg,#00d4aa,#0ea5e9);border-radius:1px;transition:width .3s}
.nav-links a:hover,.nav-links a.active{color:#e2e8f0}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}

/* ═══ Hero ═══ */
.hero{position:relative;padding:140px 0 100px;overflow:hidden}
.hero-bg{position:absolute;inset:0;
  background:radial-gradient(ellipse 80% 60% at 30% 40%,rgba(0,212,170,.06) 0%,transparent 60%),
             radial-gradient(ellipse 60% 50% at 80% 30%,rgba(14,165,233,.05) 0%,transparent 60%);
  pointer-events:none}
.hero-split{display:flex;align-items:center;gap:64px;position:relative;z-index:1}
.hero-left{flex:1;min-width:0}
.hero-right{flex:0 0 480px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,212,170,.08);border:1px solid rgba(0,212,170,.2);
  color:#00d4aa;padding:8px 22px;border-radius:24px;font-size:13px;font-weight:600;margin-bottom:32px}
.hero h1{font-size:52px;font-weight:800;line-height:1.15;margin-bottom:20px;color:#e2e8f0}
.hero-sub{font-size:17px;color:#00d4aa;margin-bottom:16px;font-weight:500;letter-spacing:3px;opacity:.8}
.hero-desc{font-size:15px;color:#64748b;line-height:1.9;margin-bottom:40px}
.hero-actions{display:flex;gap:14px}

/* Slideshow */
.slideshow{position:relative;width:100%;aspect-ratio:16/10;border-radius:20px;overflow:hidden;
  box-shadow:0 24px 64px rgba(0,0,0,.5)}
.slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1.2s ease}
.slide-active{opacity:1}
.slide-placeholder{width:100%;aspect-ratio:16/10;border-radius:20px;
  border:2px dashed #151d3840;display:flex;flex-direction:column;align-items:center;
  justify-content:center;color:#1e2d4a;gap:12px}
.slide-placeholder i{font-size:48px}
.slide-placeholder p{font-size:13px}

/* ═══ Sections ═══ */
.section{padding:110px 0}
.section-alt{background:linear-gradient(180deg,#060a1a 0%,#0a1020 50%,#060a1a 100%)}
.section-header{text-align:center;margin-bottom:64px}
.section-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:4px;
  color:#00d4aa;text-transform:uppercase;margin-bottom:14px}
.section-header h2{font-size:38px;font-weight:700;color:#e2e8f0;margin-bottom:14px}
.section-desc{font-size:15px;color:#475569;max-width:480px;margin:0 auto}

/* ═══ Features ═══ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{background:#0c1124;border:1px solid #151d38;border-radius:16px;padding:30px 22px;text-align:center;
  transition:all .4s cubic-bezier(.25,.8,.25,1);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,#00d4aa,transparent);opacity:0;transition:opacity .4s}
.feature-card:hover{border-color:#1e3a4a;transform:translateY(-6px);
  box-shadow:0 16px 48px rgba(0,0,0,.4)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,212,170,.1),rgba(14,165,233,.1));
  color:#00d4aa;font-size:18px;margin:0 auto 16px}
.feature-card h3{font-size:15px;color:#e2e8f0;margin-bottom:10px;font-weight:600}
.feature-card p{font-size:12.5px;color:#475569;line-height:1.8}

/* ═══ Compare Table ═══ */
.table-wrap{border-radius:16px;border:1px solid #151d38;overflow:hidden;
  box-shadow:0 8px 32px rgba(0,0,0,.25)}
.compare-table{width:100%;border-collapse:collapse;font-size:13.5px}
.compare-table th{padding:18px 22px;text-align:left;font-weight:600;font-size:12px;letter-spacing:1px;
  color:#475569;background:#0a0f1e;border-bottom:1px solid #151d38;white-space:nowrap;text-transform:uppercase}
.compare-table td{padding:14px 22px;border-bottom:1px solid #0e1428;color:#64748b}
.compare-table tr:last-child td{border-bottom:none}
.compare-table tbody tr{transition:background .2s}
.compare-table tbody tr:hover td{background:rgba(0,212,170,.02)}
.compare-table .col-ours{color:#00d4aa;font-weight:600;background:rgba(0,212,170,.04)}
.compare-table th.col-ours{color:#00d4aa;background:rgba(0,212,170,.06)}
.compare-table th.col-ours i{margin-right:6px;color:#f59e0b}
.feat-name{color:#cbd5e1;font-weight:500}

/* ═══ Pricing ═══ */
.price-grid{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.price-card{background:#0c1124;border:1px solid #151d38;border-radius:20px;padding:36px 28px;
  width:260px;text-align:center;position:relative;transition:all .35s}
.price-card:hover{border-color:#1e3a4a;transform:translateY(-6px);box-shadow:0 16px 48px rgba(0,0,0,.4)}
.price-featured{border-color:#00d4aa30;background:linear-gradient(170deg,#0c1124 0%,#0d1a2a 100%)}
.price-featured:hover{border-color:#00d4aa60}
.price-tag{position:absolute;top:-1px;right:24px;background:linear-gradient(135deg,#00d4aa,#0ea5e9);
  color:#080c18;font-size:11px;font-weight:700;padding:5px 14px;border-radius:0 0 8px 8px}
.price-card h3{font-size:18px;color:#e2e8f0;font-weight:600;margin-bottom:16px}
.price-amount{font-size:14px;color:#475569;margin-bottom:4px}
.price-amount span{font-size:40px;font-weight:800;color:#e2e8f0;
  background:linear-gradient(135deg,#e2e8f0,#00d4aa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.price-featured .price-amount span{background:linear-gradient(135deg,#00d4aa,#0ea5e9);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent}
.price-period{font-size:13px;color:#475569;margin-bottom:24px}
.price-features{list-style:none;text-align:left;margin-bottom:28px;min-height:120px}
.price-features li{font-size:13px;color:#64748b;padding:6px 0;display:flex;align-items:center;gap:10px}
.price-features i{color:#00d4aa;font-size:11px;flex-shrink:0}
.price-btn{width:100%;justify-content:center}

/* ═══ Download ═══ */
.download-card{display:flex;gap:48px;background:#0c1124;
  border:1px solid #151d38;border-radius:20px;padding:52px;align-items:flex-start;
  box-shadow:0 8px 32px rgba(0,0,0,.25)}
.dl-left{flex:0 0 280px;text-align:center}
.ver-badge{display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#00d4aa,#0ea5e9);
  color:#080c18;padding:10px 28px;border-radius:28px;font-size:17px;font-weight:700;margin-bottom:18px;
  box-shadow:0 4px 20px rgba(0,212,170,.25)}
.dl-title{font-size:18px;color:#e2e8f0;font-weight:600;margin-bottom:6px}
.dl-size{font-size:13px;color:#475569;margin-bottom:28px}
.dl-size i{margin-right:4px}
.dl-right{flex:1;min-width:0}
.dl-right h4{color:#64748b;font-size:12px;font-weight:600;text-transform:uppercase;
  letter-spacing:3px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.changelog{font-size:13px;color:#475569;line-height:2;white-space:pre-line;
  font-family:inherit;background:transparent;border:none;margin:0;padding:0}

/* ═══ Contact ═══ */
.contact-cards{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.contact-item{display:flex;align-items:center;gap:18px;background:#0c1124;
  border:1px solid #151d38;border-radius:14px;padding:24px 32px;min-width:220px;
  transition:border-color .3s}
.contact-item:hover{border-color:#1e3a4a}
.ci-icon{font-size:26px;color:#00d4aa}
.ci-label{display:block;font-size:11px;color:#475569;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:2px}
.ci-val{font-size:15px;color:#e2e8f0}

/* ═══ Help Page ═══ */
.help-panel{display:flex;gap:0;min-height:520px;border:1px solid #151d38;border-radius:16px;overflow:hidden;
  background:#0c1124}
.help-left{flex:0 0 320px;border-right:1px solid #151d38;overflow-y:auto;max-height:620px}
.help-nav-item{display:flex;align-items:center;gap:14px;padding:18px 22px;cursor:pointer;
  border-bottom:1px solid #0e1428;transition:all .2s;color:#64748b;font-size:14px}
.help-nav-item:last-child{border-bottom:none}
.help-nav-item:hover{background:rgba(0,212,170,.03);color:#94a3b8}
.help-nav-item.active{background:rgba(0,212,170,.06);color:#e2e8f0;
  border-left:3px solid #00d4aa;padding-left:19px}
.help-num{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,212,170,.08);color:#00d4aa;font-size:12px;font-weight:700;flex-shrink:0}
.help-nav-item.active .help-num{background:linear-gradient(135deg,#00d4aa,#0ea5e9);color:#080c18}
.help-right{flex:1;padding:36px 40px;overflow-y:auto;max-height:620px}
.help-detail{display:none}
.help-detail.active{display:block}
.help-detail h3{font-size:20px;color:#e2e8f0;font-weight:600;margin-bottom:24px;
  padding-bottom:16px;border-bottom:1px solid #151d38}
.help-body{font-size:14.5px;color:#94a3b8;line-height:2}
.help-body img{max-width:100%;border-radius:10px;margin:12px 0;cursor:pointer;
  transition:transform .2s;border:1px solid #151d38}
.help-body img:hover{transform:scale(1.02)}
.help-body h1,.help-body h2,.help-body h3{color:#e2e8f0;margin:20px 0 10px}
.help-body p{margin-bottom:10px}
.help-body ul,.help-body ol{padding-left:24px;margin-bottom:10px}
.help-body blockquote{border-left:3px solid #00d4aa;padding-left:16px;color:#64748b;margin:12px 0}
.help-body code{background:#0a0f1e;padding:2px 6px;border-radius:4px;font-size:13px;color:#00d4aa}
.help-body pre{background:#0a0f1e;padding:16px;border-radius:8px;overflow-x:auto;margin:12px 0}

/* Video Page */
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.video-card{background:#0c1124;border:1px solid #151d38;border-radius:16px;overflow:hidden;
  transition:border-color .3s,transform .3s}
.video-card:hover{border-color:#1e3a4a;transform:translateY(-4px)}
.video-player{position:relative;aspect-ratio:16/9;background:#000}
.video-player video{width:100%;height:100%;display:block}
.video-info{padding:20px 24px}
.video-info h3{font-size:16px;color:#e2e8f0;font-weight:600;margin-bottom:6px}
.video-info p{font-size:13px;color:#475569;line-height:1.7}
@media(max-width:768px){.video-grid{grid-template-columns:1fr}}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.85);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;cursor:zoom-out;
  opacity:0;pointer-events:none;transition:opacity .3s}
.lightbox.show{opacity:1;pointer-events:auto}
.lightbox img{max-width:90vw;max-height:90vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.6)}

@media(max-width:768px){
  .help-panel{flex-direction:column}
  .help-left{flex:none;max-height:240px;border-right:none;border-bottom:1px solid #151d38}
  .help-right{max-height:none}
}

/* ═══ Fullpage Doc Layout (Help) ═══ */
.fullpage-body{overflow:hidden}
.doc-layout{display:flex;height:100vh;padding-top:64px}
.doc-sidebar{width:300px;background:#0a0f1e;border-right:1px solid #151d38;
  overflow-y:auto;flex-shrink:0}
.doc-sidebar::-webkit-scrollbar{width:4px}
.doc-sidebar::-webkit-scrollbar-track{background:transparent}
.doc-sidebar::-webkit-scrollbar-thumb{background:#1e2d4a;border-radius:4px}
.doc-sidebar::-webkit-scrollbar-thumb:hover{background:#00d4aa40}
.doc-sidebar{scrollbar-width:thin;scrollbar-color:#1e2d4a transparent}
.doc-sidebar-header{padding:24px 22px 16px;font-size:16px;font-weight:700;color:#00d4aa;
  border-bottom:1px solid #151d38;display:flex;align-items:center;gap:10px}
.doc-nav-item{display:flex;align-items:center;gap:12px;padding:16px 22px;
  color:#64748b;font-size:14px;border-bottom:1px solid #0e1428;
  border-left:3px solid transparent;transition:all .2s;text-decoration:none;cursor:pointer}
.doc-nav-item:hover{color:#94a3b8;background:rgba(0,212,170,.03)}
.doc-nav-item.active{color:#e2e8f0;background:rgba(0,212,170,.06);border-left-color:#00d4aa}
.doc-num{width:26px;height:26px;border-radius:7px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,212,170,.08);color:#00d4aa;font-size:11px;font-weight:700;flex-shrink:0}
.doc-nav-item.active .doc-num{background:linear-gradient(135deg,#00d4aa,#0ea5e9);color:#080c18}
.doc-content{flex:1;overflow-y:auto;padding:40px 56px}
.doc-content::-webkit-scrollbar{width:6px}
.doc-content::-webkit-scrollbar-track{background:#080c18}
.doc-content::-webkit-scrollbar-thumb{background:#1e2d4a;border-radius:6px}
.doc-content::-webkit-scrollbar-thumb:hover{background:#00d4aa60}
.doc-content{scrollbar-width:thin;scrollbar-color:#1e2d4a #080c18}
.doc-article{display:none}
.doc-article.active{display:block}
.doc-article h1{font-size:28px;color:#e2e8f0;font-weight:700;margin-bottom:28px;
  padding-bottom:20px;border-bottom:1px solid #151d38}
.doc-body{font-size:15px;color:#94a3b8;line-height:2}
.doc-body img{max-width:100%;border-radius:10px;margin:16px 0;cursor:pointer;border:1px solid #151d38;transition:transform .2s}
.doc-body img:hover{transform:scale(1.02)}
.doc-body h1,.doc-body h2,.doc-body h3{color:#e2e8f0;margin:24px 0 12px}
.doc-body p{margin-bottom:12px}
.doc-body ul,.doc-body ol{padding-left:24px;margin-bottom:12px}
.doc-body blockquote{border-left:3px solid #00d4aa;padding-left:16px;color:#64748b;margin:16px 0}
.doc-body code{background:#0a0f1e;padding:2px 8px;border-radius:4px;font-size:13px;color:#00d4aa}
.doc-body pre{background:#0a0f1e;padding:16px;border-radius:8px;overflow-x:auto;margin:16px 0}

@media(max-width:768px){
  .doc-layout{flex-direction:column;height:auto}
  .doc-sidebar{width:100%;max-height:40vh;border-right:none;border-bottom:1px solid #151d38}
  .doc-content{padding:24px 20px}
}

/* ═══ Article List & Detail ═══ */
.article-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.article-item{display:flex;align-items:center;gap:16px;padding:20px 24px;
  background:#0c1124;border:1px solid #151d38;border-radius:14px;
  color:#94a3b8;transition:all .25s;text-decoration:none}
.article-item:hover{border-color:#1e3a4a;background:#0d1328;transform:translateX(4px);color:#e2e8f0}
.article-num{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,212,170,.08);color:#00d4aa;font-size:13px;font-weight:700;flex-shrink:0}
.article-title{flex:1;font-size:15px;font-weight:500}
.article-desc{font-size:12px;color:#475569;max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-arrow{color:#334155;font-size:12px;transition:color .2s}
.article-item:hover .article-arrow{color:#00d4aa}

.back-link{display:inline-flex;align-items:center;gap:8px;color:#475569;font-size:14px;margin-bottom:28px;transition:color .2s}
.back-link:hover{color:#00d4aa}
.article-detail{max-width:1100px;margin:0 auto;background:#0c1124;border:1px solid #151d38;
  border-radius:20px;padding:48px}
.article-detail h1{font-size:28px;color:#e2e8f0;font-weight:700;margin-bottom:28px;
  padding-bottom:20px;border-bottom:1px solid #151d38}
.article-body{font-size:15px;color:#94a3b8;line-height:2}
.article-body img{max-width:100%;border-radius:10px;margin:16px 0;cursor:pointer;border:1px solid #151d38;transition:transform .2s}
.article-body img:hover{transform:scale(1.02)}
.article-body h1,.article-body h2,.article-body h3{color:#e2e8f0;margin:24px 0 12px}
.article-body p{margin-bottom:12px}
.article-body ul,.article-body ol{padding-left:24px;margin-bottom:12px}
.article-body blockquote{border-left:3px solid #00d4aa;padding-left:16px;color:#64748b;margin:16px 0}
.article-body code{background:#0a0f1e;padding:2px 8px;border-radius:4px;font-size:13px;color:#00d4aa}
.article-body pre{background:#0a0f1e;padding:16px;border-radius:8px;overflow-x:auto;margin:16px 0}
.article-nav{max-width:800px;margin:28px auto 0;display:flex;justify-content:space-between}

.video-detail-desc{font-size:15px;color:#64748b;margin-bottom:24px}
.video-detail-player{aspect-ratio:16/9;background:#000;border-radius:16px;overflow:hidden;border:1px solid #151d38;max-width:100%}
.video-detail-player video{width:100%;height:100%;display:block}

/* ═══ Footer ═══ */
footer{padding:36px 0;border-top:1px solid #0e1428;text-align:center}
footer p{color:#334155;font-size:12px;letter-spacing:1px}

/* ═══ Animations ═══ */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
.fade-up:nth-child(2){transition-delay:.05s}
.fade-up:nth-child(3){transition-delay:.1s}
.fade-up:nth-child(4){transition-delay:.15s}
.fade-up:nth-child(5){transition-delay:.2s}
.fade-up:nth-child(6){transition-delay:.25s}
.fade-up:nth-child(7){transition-delay:.3s}
.fade-up:nth-child(8){transition-delay:.35s}
.fade-up:nth-child(9){transition-delay:.4s}
.fade-up:nth-child(10){transition-delay:.45s}
.fade-up:nth-child(11){transition-delay:.5s}
.fade-up:nth-child(12){transition-delay:.55s}
.fade-up:nth-child(13){transition-delay:.6s}
.fade-up:nth-child(14){transition-delay:.65s}
.fade-up:nth-child(15){transition-delay:.7s}
.fade-up:nth-child(16){transition-delay:.75s}

/* ═══ Responsive ═══ */
@media(max-width:960px){
  .hero-split{flex-direction:column;text-align:center}
  .hero-right{flex:none;width:100%;max-width:500px}
  .hero-actions{justify-content:center}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .download-card{flex-direction:column}
}
@media(max-width:600px){
  .feature-grid{grid-template-columns:1fr}
  .nav-links{gap:16px}
  .hero h1{font-size:32px}
  .section{padding:80px 0}
}

/* ═══ Admin Layout ═══ */
.admin-body{background:#080c18;min-height:100vh;overflow-x:hidden}
.login-body{background:#080c18;min-height:100vh;display:flex;align-items:center;justify-content:center}
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{width:240px;background:#0a0f1e;border-right:1px solid #151d38;
  display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}
.admin-logo{padding:24px 22px;font-size:17px;font-weight:700;color:#00d4aa;
  border-bottom:1px solid #151d38;display:flex;align-items:center;gap:10px}
.admin-logo i{font-size:20px}
.admin-nav-item{display:flex;align-items:center;gap:12px;padding:14px 22px;
  color:#475569;font-size:14px;transition:all .2s;border-left:3px solid transparent}
.admin-nav-item:hover{color:#94a3b8;background:rgba(0,212,170,.03)}
.admin-nav-item.active{color:#e2e8f0;background:rgba(0,212,170,.06);border-left-color:#00d4aa}
.admin-nav-item i{width:18px;text-align:center;font-size:14px}
.admin-sidebar-bottom{margin-top:auto;border-top:1px solid #151d38;padding-top:8px}
.admin-nav-logout:hover{color:#f87171}
.admin-main{flex:1;margin-left:240px;padding:40px 48px}
.admin-page-header{display:flex;justify-content:space-between;align-items:center;
  margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid #151d38}
.admin-page-header h2{font-size:22px;color:#e2e8f0;font-weight:600}

/* Admin Form */
.admin-form label{display:block;margin-bottom:16px;color:#64748b;font-size:13px}
.admin-form input,.admin-form textarea{width:100%;padding:11px 16px;margin-top:6px;background:#0a0f1e;
  border:1px solid #151d38;border-radius:10px;color:#e2e8f0;font-size:14px;font-family:inherit;transition:border-color .2s}
.admin-form input:focus,.admin-form textarea:focus{outline:none;border-color:#00d4aa}
.admin-form textarea{resize:vertical}
.admin-form .btn{margin-top:8px}

/* Admin List Items */
.admin-list-item{display:flex;gap:10px;margin-bottom:10px;align-items:center}
.admin-list-item input{margin-top:0}

/* Admin Cards (help items) */
.admin-card{background:#0a0f1e;border:1px solid #151d38;border-radius:12px;padding:20px;margin-bottom:14px}
.admin-card-header{display:flex;gap:10px;align-items:center;margin-bottom:12px}
.admin-card-num{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,212,170,.1);color:#00d4aa;font-size:12px;font-weight:700;flex-shrink:0}
.admin-card textarea{width:100%;padding:12px 16px;background:#080c18;border:1px solid #151d38;
  border-radius:8px;color:#e2e8f0;font-size:13px;font-family:inherit;resize:vertical}
.admin-card textarea:focus{outline:none;border-color:#00d4aa}

/* Admin Table */
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th{padding:14px 18px;text-align:left;font-weight:600;font-size:12px;
  color:#475569;background:#0a0f1e;border-bottom:1px solid #151d38;text-transform:uppercase;letter-spacing:1px}
.admin-table td{padding:14px 18px;border-bottom:1px solid #0e1428;color:#94a3b8}
.admin-table tr:hover td{background:rgba(0,212,170,.02)}
.admin-table-num{color:#475569;font-weight:600}

/* Login (keep) */
.login-box{background:#0c1124;border:1px solid #151d38;border-radius:20px;padding:48px;
  width:400px;text-align:center;box-shadow:0 16px 48px rgba(0,0,0,.5);margin:auto}
.login-box h2{margin-bottom:28px;color:#00d4aa;font-size:22px}
.login-box input{width:100%;padding:12px 16px;margin-bottom:14px;background:#080c18;
  border:1px solid #151d38;border-radius:10px;color:#e2e8f0;font-size:14px;transition:border-color .2s}
.login-box input:focus{outline:none;border-color:#00d4aa}
.login-box .btn,.login-box .btn-primary{width:100%;margin-top:8px;justify-content:center;display:flex}
.error{color:#f87171;font-size:13px;margin-bottom:14px}