.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:999;display:none;pointer-events:none}
.modal-overlay.active{display:flex}
.modal-overlay .modal{pointer-events:auto;position:relative}

:root{
  --bg-primary:#0f1729;--bg-secondary:#172033;--bg-card:#1e293b;--bg-card-hover:#263348;
  --bg-glass:rgba(30,41,59,.92);--border:rgba(79,195,247,.15);--border-hover:rgba(79,195,247,.35);
  --text:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;
  --accent:#38bdf8;--accent2:#22d3ee;--accent3:#f59e0b;--accent4:#10b981;
  --danger:#f87171;--success:#34d399;--warning:#fbbf24;
  --glow-cyan:0 0 20px rgba(56,189,248,.15);--glow-purple:0 0 20px rgba(34,211,238,.15);
  --radius:16px;--radius-sm:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg-primary);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh}
/* Animated bg */
body::before{content:'';position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 50%,rgba(79,195,247,.03) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(124,77,255,.03) 0%,transparent 50%),radial-gradient(ellipse at 50% 80%,rgba(0,230,118,.02) 0%,transparent 50%);pointer-events:none;z-index:0}
/* Scrollbar */
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* Nav */
.hamburger{display:none;background:none;border:none;color:var(--text);font-size:22px;cursor:pointer;padding:8px}
.nav{background:#0f1729;background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;text-decoration:none;cursor:pointer}
.nav-brand .logo{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;position:relative}
.nav-brand .logo::before{content:'';position:absolute;inset:-2px;border-radius:12px;background:linear-gradient(135deg,#38bdf8,#22d3ee,#f59e0b);opacity:.6;animation:logoSpin 3s linear infinite}
.nav-brand .logo .inner{width:100%;height:100%;border-radius:8px;background:var(--bg-primary);display:flex;align-items:center;justify-content:center;position:relative;z-index:1}
@keyframes logoSpin{to{filter:hue-rotate(360deg)}}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu a{color:var(--text);text-decoration:none;padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;transition:all .3s;position:relative}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-menu a.active{color:var(--accent);background:rgba(79,195,247,.08)}
.nav-menu a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:2px;border-radius:1px;background:linear-gradient(90deg,#38bdf8,#22d3ee)}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-right .btn-login{background:linear-gradient(135deg,#38bdf8,#22d3ee);color:#fff!important;padding:8px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;text-decoration:none;cursor:pointer;transition:all .3s;box-shadow:var(--glow-cyan)}
.nav-right .btn-login:hover{transform:translateY(-1px);box-shadow:0 0 30px rgba(79,195,247,.3)}


/* Hero */
.hero{position:relative;padding:48px 20px;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 30% 50%,rgba(79,195,247,.08) 0%,transparent 60%),radial-gradient(ellipse at 70% 50%,rgba(124,77,255,.06) 0%,transparent 60%);pointer-events:none}
.hero-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;position:relative;z-index:1}
.hero-text{flex:1;min-width:280px}
.hero-text .badge{display:inline-block;background:rgba(79,195,247,.1);border:1px solid rgba(79,195,247,.2);color:var(--accent);padding:4px 14px;border-radius:20px;font-size:12px;font-weight:500;margin-bottom:12px}
.hero-text h1{font-size:28px;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,#f8fafc 20%,#38bdf8,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-text p{font-size:14px;color:var(--text-muted);max-width:500px}
.hero-stats{display:flex;gap:32px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:26px;font-weight:700;background:linear-gradient(135deg,#38bdf8,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-stat .label{font-size:12px;color:var(--text-muted);margin-top:2px}
@media(max-width:768px){.hero-stats{gap:16px}.hero-text h1{font-size:22px}}


/* Skeleton loading */
@keyframes shimmer{0%{background-position:-400px 0}100%{background-position:400px 0}}
.sk-block{background:linear-gradient(90deg,rgba(255,255,255,.04) 25%,rgba(255,255,255,.08) 50%,rgba(255,255,255,.04) 75%);background-size:800px 100%;animation:shimmer 1.5s ease-in-out infinite}
.skeleton{pointer-events:none;border-color:transparent!important}
.skeleton::before{display:none!important}
/* Card entrance */
@keyframes cardIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.supply-card{animation:cardIn .4s ease-out both}
.supply-card:nth-child(1){animation-delay:0s}
.supply-card:nth-child(2){animation-delay:.05s}
.supply-card:nth-child(3){animation-delay:.1s}
.supply-card:nth-child(4){animation-delay:.15s}
.supply-card:nth-child(5){animation-delay:.2s}
.supply-card:nth-child(6){animation-delay:.25s}
.supply-card:nth-child(7){animation-delay:.3s}
.supply-card:nth-child(8){animation-delay:.35s}
.supply-card:nth-child(9){animation-delay:.4s}
.supply-card:nth-child(10){animation-delay:.45s}
.supply-card:nth-child(11){animation-delay:.5s}
.supply-card:nth-child(12){animation-delay:.55s}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media(max-width:900px){
  .hamburger{display:flex!important}
  .nav-menu{display:none;position:fixed;top:56px;left:0;right:0;bottom:0;background:rgba(7,11,20,.98);backdrop-filter:blur(20px);flex-direction:column;padding:16px;z-index:200;overflow-y:auto}
  .nav-menu.open{display:flex}
  .nav-menu a{padding:16px 20px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.05);min-height:48px;display:flex;align-items:center}
  .trust-inner{flex-direction:column;gap:8px;align-items:flex-start}
}

/* Trust bar */
.trust-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:12px 20px}
.trust-inner{max-width:1200px;margin:0 auto;display:flex;gap:28px;font-size:13px;color:var(--text-muted);flex-wrap:wrap}
.trust-inner span{display:flex;align-items:center;gap:6px}
.trust-inner .dot{width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block;box-shadow:0 0 8px rgba(0,230,118,.4)}

/* Category section - data-driven */
.cat-section{background:var(--bg-card);border-bottom:1px solid var(--border);padding:10px 20px;position:sticky;top:56px;z-index:90}
.cat-scroll{max-width:1200px;margin:0 auto}
.cat-l1{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.cat-l1::-webkit-scrollbar{display:none}
.cat-l1-card{display:flex;align-items:center;gap:6px;padding:7px 12px;border-radius:8px;text-decoration:none;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.05);transition:all .2s;cursor:pointer;white-space:nowrap;flex-shrink:0}
.cat-l1-card:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}
.cat-l1-card.active{background:rgba(56,189,248,.1);border-color:#38bdf8;box-shadow:0 0 12px rgba(56,189,248,.15)}
.cat-l1-card.active .l1-name{color:#fff;font-weight:700}
.l1-icon{font-size:18px;line-height:1}
.l1-name{font-size:13px;font-weight:600;color:var(--text);line-height:1}
.l1-sub{font-size:10px;color:var(--text-muted);line-height:1;margin-left:2px}
.cat-l2{display:flex;align-items:center;gap:6px;margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,.05);flex-wrap:wrap}
.l2-label{font-size:11px;color:var(--text-muted);font-weight:500;margin-right:4px}
.l2-tag{padding:3px 10px;border-radius:6px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);font-size:11px;color:var(--text-secondary);cursor:pointer;transition:all .2s}
.l2-tag:hover{background:rgba(79,195,247,.1);color:var(--accent);border-color:rgba(79,195,247,.2)}
.l2-tag.active{background:rgba(79,195,247,.15);color:var(--accent);border-color:var(--accent);font-weight:600}
@media(max-width:768px){
  .cat-section{top:0;position:relative;padding:8px 12px}
  .cat-l1{gap:4px}
  .cat-l1-card{padding:5px 8px;gap:4px}
  .l1-icon{font-size:15px}
  .l1-name{font-size:11px}
  .l1-sub{display:none}
  .cat-l2{margin-top:6px;padding-top:6px}
  .l2-tag{padding:2px 8px;font-size:10px}
}
@media(max-width:480px){
  .cat-l1-card{padding:4px 6px}
  .l1-icon{font-size:13px}
  .l1-name{font-size:10px}
}/* Container */
.container{max-width:1200px;margin:0 auto;padding:20px;position:relative;z-index:1}

/* Price board */
.price-board{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);margin-bottom:20px;overflow:hidden;transition:border-color .3s}
.price-board .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.price-board:hover{border-color:var(--border-hover)}
.price-board-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.price-board-header h3{font-size:15px;font-weight:600;color:#fff;display:flex;align-items:center;gap:8px}
.price-board-header h3 .update-time{font-size:12px;font-weight:400;color:var(--text-secondary)}
.price-board-header .view-all{font-size:13px;color:var(--accent);text-decoration:none}
.price-board table{width:100%;border-collapse:collapse;font-size:13px}
.price-board th{padding:10px 16px;text-align:left;color:var(--text-muted);font-weight:600;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.price-board td{padding:10px 16px;border-bottom:1px solid rgba(255,255,255,.03)}
.price-board tr:last-child td{border-bottom:none}
.price-board tr:hover td{background:rgba(79,195,247,.03)}
.price-board .trend-up{color:var(--danger)}.price-board .trend-down{color:var(--success)}.price-board .trend-flat{color:var(--text-secondary)}
.price-board .price{font-weight:700;color:#fff}
.price-board .gpu-name{font-weight:600;color:var(--accent)}
.price-board .stock-tag{font-size:11px;padding:2px 10px;border-radius:4px;font-weight:500}
.stock-tag.充足{background:rgba(0,230,118,.1);color:var(--success);border:1px solid rgba(0,230,118,.2)}
.stock-tag.紧缺{background:rgba(239,83,80,.1);color:var(--danger);border:1px solid rgba(239,83,80,.2)}
.stock-tag.一般{background:rgba(255,171,0,.1);color:var(--warning);border:1px solid rgba(255,171,0,.2)}

/* Filters */
.filters-panel{background:var(--bg-card);border-radius:var(--radius);padding:14px 18px;margin-bottom:16px;border:1px solid var(--border)}
.filters-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.filters-row select,.filters-row input{padding:8px 12px;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-sm);font-size:13px;background:rgba(255,255,255,.04);color:var(--text);outline:none;transition:all .3s}
.filters-row select option{background:var(--bg-card);color:var(--text)}
.filters-row select:focus,.filters-row input:focus{border-color:var(--accent);box-shadow:0 0 12px rgba(79,195,247,.1)}
.filters-row input[type=text]{flex:1;min-width:150px;background:rgba(255,255,255,.04)}
.filters-row input::placeholder{color:var(--text-secondary)}
.btn-search{background:linear-gradient(135deg,#38bdf8,#22d3ee);color:#fff;border:none;padding:8px 18px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:600;transition:all .3s}
.btn-search:hover{box-shadow:var(--glow-cyan);transform:translateY(-1px)}
.btn-reset{background:rgba(255,255,255,.04);color:var(--text-secondary);border:1px solid rgba(255,255,255,.08);padding:8px 14px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;transition:all .3s}
.btn-reset:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-shortage{background:rgba(239,83,80,.1);color:var(--danger);border:1px solid rgba(239,83,80,.2);padding:8px 14px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;transition:all .3s}
.btn-shortage:hover{background:rgba(239,83,80,.2)}

/* Results bar */
.results-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-size:13px;color:var(--text-secondary)}
.results-bar .count{font-weight:600;color:var(--text)}
.results-bar select{padding:6px 10px;border:1px solid rgba(255,255,255,.08);border-radius:6px;font-size:13px;background:rgba(255,255,255,.04);color:var(--text);outline:none}
.results-bar select option{background:var(--bg-card)}

/* Grid */
.supplies-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(340px,100%),1fr));gap:14px}
.supply-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .4s;cursor:pointer;position:relative}
.supply-card::before{content:'';position:absolute;inset:-1px;border-radius:17px;background:linear-gradient(135deg,#38bdf8,#22d3ee,#f59e0b,#38bdf8);opacity:0;transition:opacity .4s;z-index:-1}
.supply-card:hover{transform:translateY(-4px);border-color:transparent}
.supply-card:hover::before{opacity:.5}
.supply-card:hover{box-shadow:0 8px 32px rgba(79,195,247,.1)}
.card-header{padding:14px 16px 0;display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.card-header .gpu-brand{background:linear-gradient(135deg,#38bdf8,#22d3ee);color:#fff;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:700}
.card-header .badges{display:flex;gap:4px;flex-wrap:wrap}
.card-header .badge{font-size:11px;padding:3px 8px;border-radius:4px;font-weight:500}
.badge-new{background:rgba(0,230,118,.1);color:var(--success);border:1px solid rgba(0,230,118,.2)}
.badge-used{background:rgba(255,171,0,.1);color:var(--warning);border:1px solid rgba(255,171,0,.2)}
.badge-featured{background:linear-gradient(135deg,rgba(255,171,0,.2),rgba(255,107,0,.2));color:var(--accent3);border:1px solid rgba(255,171,0,.3)}
.card-body{padding:10px 16px}
.card-body h3{font-size:15px;font-weight:600;margin-bottom:6px;line-height:1.4;color:#fff}
.card-body .meta{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--text-muted);margin-bottom:8px}
.card-body .meta span{display:flex;align-items:center;gap:3px}
.card-body .specs{display:grid;grid-template-columns:1fr 1fr;gap:4px 10px;font-size:12px;margin-bottom:10px;padding:8px;background:rgba(0,0,0,.2);border-radius:8px}
.card-body .specs .spec-item{display:flex;justify-content:space-between}
.card-body .specs .key{color:var(--text-secondary)}
.card-body .specs .val{font-weight:500;color:var(--text)}
.card-body .desc{font-size:12px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.card-body .price-area{display:flex;gap:8px}
.card-body .price-box{flex:1;text-align:center;padding:8px;background:rgba(0,0,0,.2);border-radius:8px}
.card-body .price-box .amount{font-size:18px;font-weight:700;color:var(--danger)}
.card-body .price-box .amount.sale{color:var(--accent3)}
.card-body .price-box .unit{font-size:11px;color:var(--text-secondary)}
.card-footer{padding:10px 16px;border-top:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-secondary)}
.card-footer .seller{display:flex;align-items:center;gap:4px}
.card-footer .seller .verified{color:var(--success)}
.card-footer .actions{display:flex;gap:6px}
.card-footer .actions button,.card-footer .actions a{padding:5px 12px;border-radius:6px;border:none;font-size:12px;cursor:pointer;font-weight:500;text-decoration:none;transition:all .3s}
.card-footer .btn-inquire{background:linear-gradient(135deg,#38bdf8,#22d3ee);color:#fff}
.card-footer .btn-inquire:hover{box-shadow:var(--glow-cyan)}
.card-footer .btn-wechat{background:rgba(7,193,96,.15);color:#07c160;border:1px solid rgba(7,193,96,.25)}
.card-footer .btn-wechat:hover{background:rgba(7,193,96,.25)}

/* Detail overlay */
.detail-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:200}
.detail-overlay.active{display:block}
.detail-backdrop{position:absolute;width:100%;height:100%;background:rgba(7,11,20,.8);backdrop-filter:blur(8px)}
.detail-panel{position:absolute;top:0;right:0;width:520px;max-width:100%;height:100%;background:var(--bg-card);overflow-y:auto;border-left:1px solid var(--border)}
.detail-header{position:sticky;top:0;background:var(--bg-glass);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:14px 20px;display:flex;justify-content:space-between;align-items:center;z-index:1}
.detail-header h2{font-size:15px;font-weight:600;color:#fff;flex:1;margin-right:10px}
.detail-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-muted);padding:4px}
.detail-close:hover{color:#fff}
.detail-body{padding:20px}
.detail-section{margin-bottom:20px}
.detail-section h4{font-size:13px;font-weight:600;margin-bottom:10px;color:var(--text-secondary)}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.detail-item{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.04);font-size:13px}
.detail-item .label{color:var(--text-secondary)}
.detail-item .value{font-weight:500;color:var(--text)}
.detail-item .value.price-lg{font-size:22px;font-weight:700;color:var(--danger)}
.detail-actions{position:sticky;bottom:0;background:var(--bg-glass);backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:14px 20px;display:flex;gap:8px}
.detail-actions button{flex:1;padding:11px;border-radius:8px;border:none;font-size:13px;font-weight:600;cursor:pointer;transition:all .3s}
.detail-actions .btn-pri{background:linear-gradient(135deg,#38bdf8,#22d3ee);color:#fff}
.detail-actions .btn-pri:hover{box-shadow:var(--glow-cyan)}
.detail-actions .btn-suc{background:rgba(7,193,96,.15);color:#07c160;border:1px solid rgba(7,193,96,.25)}
.detail-actions .btn-suc:hover{background:rgba(7,193,96,.25)}
.detail-actions .btn-out{background:rgba(255,255,255,.04);color:var(--text);border:1px solid rgba(255,255,255,.08)}
.detail-actions .btn-out:hover{background:rgba(255,255,255,.08)}

/* Toast */
.toast{position:fixed;top:80px;right:20px;z-index:300;background:var(--bg-card);color:#fff;padding:12px 20px;border-radius:8px;font-size:13px;opacity:0;transition:opacity .3s;max-width:340px;border:1px solid var(--border);backdrop-filter:blur(20px)}
.toast.show{opacity:1}
.toast.success{border-color:rgba(0,230,118,.3)}
.toast.error{border-color:rgba(239,83,80,.3)}

/* Loading */
.loading{text-align:center;padding:40px;color:var(--text-secondary)}
.spinner{width:24px;height:24px;border:2px solid rgba(255,255,255,.05);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 10px}
@keyframes spin{to{transform:rotate(360deg)}}

/* FAB */
.fab{position:fixed;bottom:24px;right:24px;background:linear-gradient(135deg,#38bdf8,#22d3ee);color:#fff;border:none;padding:12px 22px;border-radius:30px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 4px 20px rgba(79,195,247,.3);transition:all .3s;z-index:100;display:flex;align-items:center;gap:6px}
.fab:hover{transform:translateY(-3px);box-shadow:0 8px 32px rgba(79,195,247,.4)}

/* Modal */
.modal-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(7,11,20,.8);backdrop-filter:blur(8px);z-index:200;justify-content:center;align-items:center}
.modal-overlay.active{display:flex}
.modal{background:var(--bg-card);border-radius:16px;padding:24px;max-width:500px;width:92%;max-height:85vh;overflow-y:auto;border:1px solid var(--border)}
.modal h2{font-size:17px;margin-bottom:16px;color:#fff}
.modal p{font-size:13px;color:var(--text-secondary)}
.modal .form-group{margin-bottom:14px}
.modal .form-group label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:4px;font-weight:500}
.modal .form-group input,.modal .form-group select,.modal .form-group textarea{width:100%;padding:9px 12px;border:1px solid rgba(255,255,255,.08);border-radius:8px;font-size:13px;outline:none;background:rgba(255,255,255,.04);color:var(--text);transition:border-color .3s}
.modal .form-group select option{background:var(--bg-card)}
.modal .form-group input:focus,.modal .form-group select:focus,.modal .form-group textarea:focus{border-color:var(--accent)}
.modal .form-group textarea{resize:vertical;min-height:60px}
.modal .modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}
.modal .modal-actions button{padding:9px 22px;border-radius:8px;border:none;cursor:pointer;font-size:13px;font-weight:500;transition:all .3s}
.btn-primary-s{background:linear-gradient(135deg,#38bdf8,#22d3ee);color:#fff}
.btn-primary-s:hover{box-shadow:var(--glow-cyan)}
.btn-secondary{background:rgba(255,255,255,.06);color:var(--text-secondary)}
.btn-secondary:hover{background:rgba(255,255,255,.1);color:#fff}

/* Pagination */
.pagination{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:24px;padding:16px 0}
.pagination button{padding:8px 16px;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:rgba(255,255,255,.04);cursor:pointer;font-size:13px;color:var(--text-secondary);transition:all .3s}
.pagination button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.pagination button:disabled{opacity:.3;cursor:default}
.pagination .page-info{font-size:13px;color:var(--text-secondary)}
/* Empty */
.empty-state{text-align:center;padding:48px 20px;color:var(--text-secondary)}
.empty-state .icon{font-size:40px;margin-bottom:8px;display:block}
.empty-state h3{font-size:15px;color:var(--text);margin-bottom:4px}

/* Footer */
.footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:32px 20px 20px;margin-top:48px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:10px}
.footer-col p,.footer-col a{font-size:13px;color:var(--text-muted);line-height:1.8;text-decoration:none;display:block}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);margin-top:24px;padding-top:16px;text-align:center;font-size:12px;color:var(--text-secondary)}
.footer-bottom a{color:var(--text-muted);text-decoration:none}
.footer-bottom a:hover{color:var(--accent)}

/* Animated border glow for featured */
@keyframes borderGlow{0%,100%{border-color:rgba(79,195,247,.2)}50%{border-color:rgba(124,77,255,.4)}}
.supply-card:first-child{border-color:rgba(79,195,247,.2);animation:borderGlow 3s ease-in-out infinite}

/* Price board special */
.price-board .trend-up::before{content:'▲ ';font-size:10px}
.price-board .trend-down::before{content:'▼ ';font-size:10px}


/* === Enhanced Mobile Responsive === */
@media(max-width:768px){
  .hero{padding:32px 16px}
  .hero-text h1{font-size:22px}
  .hero-text p{font-size:13px}
  .hero-stats{flex-wrap:wrap;justify-content:center;gap:12px;width:100%}
  .hero-stat{flex:1;min-width:70px}
  .hero-stat .num{font-size:20px}
  .hero-stat .label{font-size:10px}
  .supplies-grid{grid-template-columns:1fr}
  .card-body .specs{grid-template-columns:1fr}
  .card-body .price-area{flex-direction:column;gap:4px}
  .detail-panel{width:100%}
  .filters-row{padding:8px 12px}
  .filters-row input[type=text]{min-width:100px;font-size:16px;height:44px}
  .filters-row select{height:44px;font-size:14px}
  .filters-row .btn-search{height:44px;padding:0 20px;font-size:14px}
  .container{padding:12px}
  .price-board-header{padding:12px 14px}
  .price-board-header h3{font-size:13px}
  .price-board th,.price-board td{padding:6px 8px;font-size:11px}
  .card-footer .actions button,.card-footer .actions a{padding:10px 16px;font-size:13px;min-height:44px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:16px}
}
@media(max-width:480px){
  .hero-text h1{font-size:18px}
  .hero-stats{gap:8px}
  .hero-stat .num{font-size:17px}
  .nav-inner{padding:0 12px;height:50px}
  .nav-brand{font-size:15px}
  .nav-brand .logo{width:28px;height:28px}
  .nav-menu a{padding:14px 16px;font-size:15px;min-height:44px}
  .btn-login,.btn-sell{padding:10px 18px!important;font-size:13px!important;min-height:44px}
  .supplies-grid{gap:10px}
  .price-board table{font-size:11px}
  .price-board td{padding:5px 6px}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .fab{padding:12px 20px;font-size:13px;bottom:16px;right:16px;min-height:44px}
  .card-footer .actions button,.card-footer .actions a{min-height:44px;padding:12px 18px;font-size:13px}
  .modal{padding:18px;max-width:96%}
}