:root{
  --bg:#eef3ff;--bg2:#e3ebff;--surface:#ffffff;--surface2:#f3f7ff;
  --line:#d7e1f7;--text:#0f2545;--muted:#5b6b8c;--muted2:#8694b4;
  --primary:#2f6bff;--primary2:#06b6d4;--cyan:#06b6d4;--accent:#7c5cff;
  --grad:linear-gradient(120deg,#2f6bff,#06b6d4);
  --shadow:0 18px 50px rgba(47,107,255,.18);--radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Segoe UI",system-ui,-apple-system,"Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 700px at 85% -10%,rgba(47,107,255,.16),transparent 60%),
             radial-gradient(900px 600px at 0% 0%,rgba(6,182,212,.12),transparent 55%),
             var(--bg);
  color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:.2px}
.container{width:min(1180px,92vw);margin:0 auto;padding:0 4px}
.muted{color:var(--muted)}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:8px;top:8px;background:var(--primary);color:#fff;padding:8px 12px;border-radius:8px;z-index:100}

/* ---------- Header / Nav ---------- */
.site-header{background:var(--surface);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand-logo{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--grad);color:#fff;font-weight:900;box-shadow:0 8px 20px rgba(79,124,255,.4)}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.site-nav>a{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:600;transition:.2s}
.site-nav>a:hover,.site-nav>a.active{color:var(--primary);background:var(--surface2)}
.nav-cta{display:flex;gap:8px;margin-left:8px}
.nav-toggle{display:none;background:var(--surface2);border:1px solid var(--line);color:var(--text);
  width:46px;height:46px;border-radius:12px;font-size:22px;cursor:pointer}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;
  border-radius:12px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:.2s;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(79,124,255,.35)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:#fff}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-danger{background:#ff4d6d;color:#fff}
.btn-warn{background:#ffb020;color:#1a1a1a}

/* 作品样片·移动端竖向滑动喂流 */
.works-feed{display:none}
.feed-cats{display:flex;gap:8px;overflow-x:auto;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:6}
.feed-cat{padding:6px 14px;border-radius:999px;background:var(--surface2);color:var(--muted);font-weight:700;white-space:nowrap;border:1px solid var(--line)}
.feed-cat.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.feed-track{height:calc(100vh - 130px);overflow-y:auto;scroll-snap-type:y mandatory;-webkit-overflow-scrolling:touch}
.feed-slide{height:calc(100vh - 130px);scroll-snap-align:start;position:relative;display:flex;flex-direction:column;justify-content:flex-end;background:#000}
.feed-media{position:absolute;inset:0}
.feed-media{display:flex;align-items:center;justify-content:center;background:#000;overflow:hidden}.feed-media img,.feed-media video,.feed-media iframe{width:min(100%,calc((100vh - 130px) * 0.5625));height:auto;aspect-ratio:9/16;max-height:100%;object-fit:cover;border:0;display:block}
.feed-info{position:relative;z-index:2;color:#fff;padding:18px 18px calc(20px + env(safe-area-inset-bottom,0px));background:linear-gradient(0deg,rgba(0,0,0,.88) 0%,rgba(0,0,0,.72) 40%,rgba(0,0,0,.35) 80%,transparent 100%);text-shadow:0 1px 3px rgba(0,0,0,.7)}
.feed-info h3{color:#fff;margin:0 0 6px;font-size:16px;line-height:1.3;font-weight:800;white-space:normal;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
@media(max-width:680px){.works-desktop{display:none}.works-feed{display:block}.feed-info{display:none!important}}
.btn-sm{padding:7px 12px;font-size:13px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:70px 0 40px}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(600px 300px at 70% 20%,rgba(124,92,255,.25),transparent 60%),
  radial-gradient(500px 280px at 20% 60%,rgba(38,224,214,.16),transparent 60%);filter:blur(2px)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.3fr .9fr;gap:36px;align-items:center}
.hero-text .tag{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:999px;
  color:var(--cyan);font-size:13px;font-weight:700;margin-bottom:14px;background:rgba(6,182,212,.1)}
.hero-text h1{font-size:clamp(30px,4.4vw,50px);background:linear-gradient(90deg,#0f2545,#2f6bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-text p{color:var(--muted);max-width:560px;font-size:16px}
.hero-actions{display:flex;gap:12px;margin:22px 0 26px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:560px}
.hero-stats div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center}
.hero-stats b{display:block;font-size:24px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:12px;color:var(--muted)}
.hero-card .glass{background:linear-gradient(180deg,rgba(27,35,66,.9),rgba(20,27,52,.7));
  border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.check-list{list-style:none;padding:0;margin:14px 0 18px}
.check-list li{padding-left:26px;position:relative;margin:8px 0;color:var(--text)}
.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:#fff;background:var(--grad);
  width:18px;height:18px;border-radius:50%;display:block;line-height:18px;text-align:center;font-size:11px;font-weight:900}

.glass{background:linear-gradient(180deg,rgba(27,35,66,.9),rgba(20,27,52,.7));border:1px solid var(--line);border-radius:18px;color:#fff}
.glass h1,.glass h2,.glass h3,.glass h4,.glass h5{color:#fff}
.glass p,.glass .check-list li{color:rgba(255,255,255,.88)}
.glass .muted{color:rgba(255,255,255,.7)}

/* ---------- Sections ---------- */
.section{padding:54px 0}
.section.alt{background:rgba(47,107,255,.04);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:12px;flex-wrap:wrap}
.section-head h2{font-size:26px}
.more{color:var(--cyan);font-weight:700}
.cta-band{padding:40px 0 70px}
.cta-inner{text-align:center;padding:36px}
.cta-inner h2{font-size:28px}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow)}
.card-media{aspect-ratio:16/9;background:var(--surface2);overflow:hidden}
.work-card .card-media{aspect-ratio:9/16}
.card-media img{width:100%;height:100%;object-fit:cover;transition:.3s}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:16px}
.card-body h3{font-size:17px;margin:8px 0}
.chip{display:inline-block;font-size:12px;font-weight:700;color:var(--cyan);
  background:rgba(38,224,214,.1);border:1px solid rgba(38,224,214,.3);padding:3px 10px;border-radius:999px}

/* ---------- List rows (供需) ---------- */
.list-rows{display:flex;flex-direction:column;gap:10px}
.row-item{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;transition:.2s}
.row-item:hover{border-color:var(--primary);transform:translateX(2px)}
.badge{flex:0 0 auto;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:900;color:#fff}
.badge.supply{background:linear-gradient(120deg,#2f6bff,#06b6d4)}
.badge.demand{background:linear-gradient(120deg,#2f6bff,#7c5cff)}
.row-title{flex:1;font-weight:700;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-meta{color:var(--muted);font-size:13px;white-space:nowrap}
.filter-bar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.filter-bar .chip{padding:8px 14px;cursor:default;background:var(--surface);border-color:var(--line);color:var(--muted)}
.filter-bar .chip.active{color:#fff;border-color:var(--primary);background:var(--surface2)}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(238,243,255,.85),rgba(227,235,255,.9));padding:48px 0 22px;margin-top:28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1.3fr 1.1fr;gap:36px 32px}
.footer-grid h4{color:var(--primary);font-size:15px;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.footer-grid h4::before{content:'';width:4px;height:15px;border-radius:3px;background:linear-gradient(180deg,var(--primary),#06b6d4)}
.footer-brand .brand{margin-bottom:12px}
.footer-brand .muted{max-width:46ch;line-height:1.75;font-size:14px}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0}
/* 快速导航分三栏 */
.footer-links{columns:3;column-gap:18px}
.footer-links li{margin:0;break-inside:avoid;page-break-inside:avoid}
.footer-links a{display:inline-flex;align-items:center;gap:8px;color:var(--muted);padding:5px 0;font-size:14px;transition:.2s}
.footer-links a::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--line);transition:.2s}
.footer-links a:hover{color:var(--primary);transform:translateX(3px)}
.footer-links a:hover::before{background:var(--primary)}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;color:var(--muted);font-size:14px;padding:5px 0;line-height:1.6}
.fc-ico{flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);color:var(--primary);font-size:12px}
/* 友情链接：两排 */
.footer-friends{margin-top:34px;padding:20px 22px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.72);box-shadow:0 6px 20px rgba(47,107,255,.06)}
.friends-title{display:block;color:var(--primary);font-size:15px;font-weight:800;margin-bottom:12px;letter-spacing:.5px}
.friends-rows{display:flex;flex-direction:column;gap:10px}
.friends-row{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px 10px}
.friends-row a{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;transition:.2s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.friends-row a:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);transform:translateY(-1px);box-shadow:0 4px 12px rgba(47,107,255,.16)}
.footer-bottom{margin-top:26px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- Forms / Auth ---------- */
.auth-wrap{display:grid;place-items:center;min-height:calc(100vh - 64px);padding:40px 0}
.auth-card{width:min(440px,92vw);background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.auth-card h2{text-align:center}
.auth-card .role-pick{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0}
.role-opt{position:relative;border:1px solid var(--line);border-radius:14px;padding:16px;cursor:pointer;background:var(--surface2);transition:.2s}
.role-opt:hover{border-color:var(--primary)}
.role-opt input{position:absolute;opacity:0}
.role-opt .ic{font-size:22px}
.role-opt.sel{border-color:var(--primary);box-shadow:0 0 0 2px rgba(79,124,255,.4) inset}
.field{margin:14px 0}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field input,.field select,.field textarea{width:100%;background:var(--bg2);border:1px solid var(--line);
  color:var(--text);border-radius:10px;padding:11px 12px;font-size:14px;outline:none;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary)}
.field textarea{min-height:120px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hint{font-size:12px;color:var(--muted2)}

/* ---------- Page hero (inner) ---------- */
.page-hero{padding:46px 0 10px}
.page-hero h1{font-size:34px}
.page-hero p{color:var(--muted);max-width:640px}
.breadcrumb{color:var(--muted2);font-size:13px;margin-bottom:8px}

/* ---------- Detail ---------- */
.detail-grid{display:grid;grid-template-columns:1.6fr .9fr;gap:28px;align-items:start}
.article{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px}
.article img{max-width:100%;border-radius:12px;margin:14px 0}
.meta-bar{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:10px 0 18px}
.video-frame{aspect-ratio:9/16;width:100%;max-width:calc(78vh * 0.5625);margin:14px auto;border-radius:14px;overflow:hidden;background:#000}
.video-frame video,.video-frame iframe,.video-frame img{width:100%;height:100%;object-fit:cover;border:0;display:block}
.sidebar .box{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:16px}
.sidebar .box h4{margin-top:0}
/* ---------- 双角色卡片（关于页/通用） ---------- */
.role-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}
.role-card{background:var(--surface2);border:1px solid var(--line);border-radius:14px;padding:16px}
.role-card .chip{margin-bottom:10px}
.role-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.6}

/* ---------- Member center ---------- */
.dash{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
.side-menu{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px;position:sticky;top:84px}
.side-menu a{display:block;padding:11px 14px;border-radius:10px;color:var(--muted);font-weight:600}
.side-menu a:hover,.side-menu a.active{background:var(--surface2);color:var(--primary)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px}
.panel h3{margin-top:0}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat-cards .box{background:var(--surface2);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center}
.stat-cards b{font-size:24px;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Tables (admin/list) ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{background:var(--surface2);color:var(--muted);font-weight:700;white-space:nowrap}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(47,107,255,.04)}
.thumb{width:45px;height:80px;object-fit:cover;border-radius:6px}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.pill.ok{background:rgba(38,224,214,.15);color:var(--cyan)}
.pill.off{background:rgba(255,107,157,.15);color:var(--accent)}
.pill.warn{background:rgba(255,196,0,.15);color:#ffc400}
.actions-cell a,.actions-cell button{margin-right:6px}

/* ---------- Flash ---------- */
.flash{position:fixed;top:76px;right:18px;z-index:80;display:flex;flex-direction:column;gap:10px}
.flash .msg{padding:12px 16px;border-radius:12px;box-shadow:var(--shadow);font-weight:600;animation:slidein .25s ease;max-width:340px}
.flash .info{background:var(--primary);color:#fff}
.flash .success{background:#1fbf75;color:#fff}
.flash .warning{background:#ffb020;color:#1a1a1a}
.flash .error{background:#ff4d6d;color:#fff}
@keyframes slidein{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---------- Pagination ---------- */
.pager{display:flex;gap:8px;justify-content:center;margin:26px 0;flex-wrap:wrap}
.pager a,.pager span{padding:8px 13px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-weight:700}
.pager a:hover{border-color:var(--primary);color:var(--primary)}
.pager .cur{background:var(--grad);color:#fff;border-color:transparent}

/* ---------- Misc ---------- */
.divider{height:1px;background:var(--line);margin:22px 0}
.empty{text-align:center;color:var(--muted);padding:40px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar .field{margin:0;flex:1;min-width:200px}
.toolbar input,.toolbar select{background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px}
.log-row{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
.log-row .t{color:var(--muted);white-space:nowrap}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr}
  .detail-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .dash{grid-template-columns:1fr}
  .side-menu{position:static;display:flex;flex-wrap:wrap;gap:6px}
  .side-menu a{flex:1;min-width:120px;text-align:center}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-links{columns:2}
  .friends-row{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:680px){
  .nav-toggle{display:block;margin-left:auto}
  .site-nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--bg2);border-bottom:1px solid var(--line);padding:12px;gap:4px}
  .site-nav.open{display:flex;background:var(--surface);z-index:200;box-shadow:var(--shadow);padding:8px 0;border-bottom:1px solid var(--line);gap:2px}
  .site-nav>a{margin:0}
  .nav-cta{margin:6px 0 0}
  .card-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .stat-cards{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-links{columns:2}
  .footer-friends{padding:16px 14px;margin-top:24px}
  .friends-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:4px}
  .row-meta{display:none}
  .section{padding:38px 0}
  .auth-wrap{min-height:auto;padding:18px 0;align-items:start}
  .role-cards{grid-template-columns:1fr}
  .feed-info{display:none!important}
}
/* v=20261019a */

/* ============================================================
   TECH LAYER  v=20261022a
   Hero 深空科技风 / 霓虹玻璃卡 / 卡片流光 / CTA 光晕
   ============================================================ */
@keyframes tlGrid{from{background-position:0 0,0 0}to{background-position:56px 56px,56px 56px}}
@keyframes tlOrb{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(-26px,22px,0) scale(1.06)}}
@keyframes tlNeon{from{background-position:0% 50%}to{background-position:200% 50%}}
@keyframes tlPulse{0%{box-shadow:0 0 0 0 rgba(47,107,255,.55),0 14px 34px rgba(47,107,255,.35)}70%{box-shadow:0 0 0 16px rgba(47,107,255,0),0 14px 34px rgba(47,107,255,.35)}100%{box-shadow:0 0 0 0 rgba(47,107,255,0),0 14px 34px rgba(47,107,255,.35)}}
@keyframes tlFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- HERO ---------- */
.hero{
  background:
    radial-gradient(900px 480px at 78% 6%,rgba(47,107,255,.30),transparent 62%),
    radial-gradient(680px 420px at 18% 28%,rgba(47,107,255,.16),transparent 68%),
    radial-gradient(760px 440px at 10% 92%,rgba(124,92,255,.22),transparent 66%),
    linear-gradient(158deg,#050b1e 0%,#071331 38%,#08183c 63%,#050d22 100%);
  padding:74px 0 80px;
  isolation:isolate;
}
.hero::before{
  content:'';position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,170,255,.095) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,255,.095) 1px,transparent 1px);
  background-size:56px 56px,56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 76% 70% at 50% 42%,#000 28%,transparent 100%);
  mask-image:radial-gradient(ellipse 76% 70% at 50% 42%,#000 28%,transparent 100%);
  animation:tlGrid 22s linear infinite;
}
.hero::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:1px;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(94,231,245,.55),rgba(124,92,255,.55),transparent);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;pointer-events:none;filter:none;
  background:
    radial-gradient(520px 520px at 82% 16%,rgba(6,182,212,.20),transparent 62%),
    radial-gradient(620px 420px at 16% 80%,rgba(124,92,255,.18),transparent 66%);
  animation:tlOrb 16s ease-in-out infinite;
}
.hero-inner{position:relative;z-index:2}

/* Hero 文字 */
.hero-text .tag{
  background:rgba(47,107,255,.14);border:1px solid rgba(96,165,250,.45);color:#a9c9ff;
  box-shadow:0 0 24px rgba(47,107,255,.35),inset 0 0 12px rgba(47,107,255,.15);
  letter-spacing:.08em;
}
.hero-text h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:900;line-height:1.2;letter-spacing:-.01em;
  max-width:13.5em;text-wrap:balance;
  background:linear-gradient(96deg,#ffffff 0%,#cfe0ff 32%,#5ee7f5 62%,#a78bfa 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 30px rgba(47,107,255,.35));
}
.hero-text p{color:rgba(232,240,255,.86);max-width:600px}
.hero .btn-ghost{border-color:rgba(148,190,255,.40);color:#e8f1ff;background:rgba(255,255,255,.04)}
.hero .btn-ghost:hover{border-color:rgba(94,231,245,.75);color:#fff;background:rgba(47,107,255,.16)}

/* Hero 统计卡（玻璃化 + 渐变大数） */
.hero-stats div{
  background:linear-gradient(160deg,rgba(28,44,96,.55),rgba(9,17,42,.62));
  border:1px solid rgba(96,165,250,.22);border-radius:16px;
  padding:16px 12px;text-align:center;backdrop-filter:blur(8px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);transition:.25s;
}
.hero-stats div:hover{border-color:rgba(94,231,245,.55);transform:translateY(-3px);box-shadow:0 12px 30px rgba(2,8,26,.5)}
.hero-stats b{
  display:block;font-size:clamp(26px,3vw,34px);font-weight:900;line-height:1.12;
  background:linear-gradient(180deg,#ffffff,#5ee7f5);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stats span{font-size:13px;color:rgba(226,238,255,.90);letter-spacing:.03em;font-weight:600}

/* Hero 霓虹玻璃卡 */
.hero-card{animation:tlFloat 7s ease-in-out infinite;align-self:stretch;display:flex}
.hero .glass{width:100%;display:flex;flex-direction:column;justify-content:center}
.hero .glass{
  position:relative;overflow:hidden;
  background:linear-gradient(158deg,rgba(30,48,104,.62),rgba(8,15,38,.86));
  border:1px solid rgba(96,165,250,.30);border-radius:20px;
  box-shadow:0 34px 90px rgba(2,7,24,.68),inset 0 1px 0 rgba(255,255,255,.10),0 0 60px rgba(47,107,255,.18);
  backdrop-filter:blur(16px);
}
.hero .glass::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,#2f6bff,#5ee7f5,#a78bfa,transparent);
  background-size:200% 100%;animation:tlNeon 5s linear infinite;
}
.hero .glass::after{
  content:'';position:absolute;width:220px;height:220px;right:-90px;bottom:-110px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,107,255,.20),transparent 70%);pointer-events:none;
}
.hero .glass > *{position:relative;z-index:1}
.hero .glass h3{font-size:20px;font-weight:900}

/* ---------- SECTION 标题竖条 ---------- */
.section-head h2{position:relative;padding-left:16px;font-weight:900;letter-spacing:-.01em}
.section-head h2::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:24px;border-radius:3px;background:var(--grad);
  box-shadow:0 0 14px rgba(47,107,255,.6);
}

/* ---------- 卡片流光 ---------- */
.card{position:relative;transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s,border-color .28s}
.card::after{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .28s;
  background:linear-gradient(140deg,rgba(47,107,255,.10),transparent 40%,rgba(94,231,245,.10));
}
.card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.55);box-shadow:0 24px 60px rgba(47,107,255,.24)}
.card:hover::after{opacity:1}
.card-media{position:relative}
.card-media::after{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:0;transition:.28s;
  background:linear-gradient(180deg,transparent 45%,rgba(6,16,40,.55));
}
.card:hover .card-media::after{opacity:1}
.chip{background:linear-gradient(120deg,rgba(47,107,255,.12),rgba(6,182,212,.12));border-color:rgba(47,107,255,.35);color:#1b4bd8}

/* ---------- 供需列表 ---------- */
.row-item{transition:.24s;position:relative;overflow:hidden}
.row-item::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  transform:scaleY(0);transform-origin:top;transition:transform .24s;
}
.row-item:hover{transform:translateX(4px);border-color:rgba(47,107,255,.50);box-shadow:0 10px 28px rgba(47,107,255,.14)}
.row-item:hover::before{transform:scaleY(1)}
.badge.supply{background:linear-gradient(135deg,#2563eb,#06b6d4);box-shadow:0 8px 20px rgba(37,99,235,.35)}
.badge.demand{background:linear-gradient(135deg,#7c5cff,#c026d3);box-shadow:0 8px 20px rgba(124,92,255,.35)}

/* ---------- CTA 光晕面板 ---------- */
.cta-band{padding:46px 0 78px}
.cta-inner{
  position:relative;overflow:hidden;text-align:center;padding:52px 28px;border-radius:24px;
  background:
    radial-gradient(600px 300px at 50% -30%,rgba(47,107,255,.45),transparent 65%),
    linear-gradient(158deg,#071331,#0a1c48 55%,#050d22);
  border:1px solid rgba(96,165,250,.28);
  box-shadow:0 30px 80px rgba(7,19,49,.35);
}
.cta-inner::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);
  background-size:44px 44px,44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 70% 90% at 50% 50%,#000 25%,transparent 100%);
  mask-image:radial-gradient(ellipse 70% 90% at 50% 50%,#000 25%,transparent 100%);
}
.cta-inner > *{position:relative;z-index:1}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:900}
.cta-inner p{color:rgba(206,222,255,.72)}
.cta-inner .btn-primary{animation:tlPulse 2.6s ease-out infinite}

/* ---------- 首页 4 列卡格 ---------- */
.card-grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.card-grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:680px){.card-grid.cols-4{grid-template-columns:1fr}}

/* ---------- 移动端菜单遮罩 ---------- */
.nav-backdrop{position:fixed;inset:0;background:rgba(6,16,40,.46);opacity:0;pointer-events:none;transition:opacity .24s;z-index:190}
.nav-backdrop.show{opacity:1;pointer-events:auto}
@media (max-width:680px){
  .site-nav.open{box-shadow:0 18px 40px rgba(6,16,40,.28);gap:0;padding:8px 12px 12px}
  .site-nav.open>a{padding:9px 8px;border-radius:8px;color:var(--text);font-weight:600}
  .site-nav.open>a:hover,.site-nav.open>a.active{color:var(--primary);background:var(--surface2)}
  .site-nav.open .nav-cta{display:flex;gap:10px;margin-top:6px;padding-top:10px;border-top:1px solid var(--line)}
  .site-nav.open .nav-cta .btn{flex:1;justify-content:center}
}

/* ---------- 对比度修正 ---------- */
.footer-links a{color:#41527a}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{color:#4a5b80}
.footer-desc,.footer-contact a,.footer-contact li{color:#41527a}
.hero .glass .muted{color:rgba(233,242,255,.88)}
.hero .glass .check-list li{color:rgba(240,247,255,.95)}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .hero{padding:64px 0 74px}
}
@media (max-width:680px){
  .hero{padding:42px 0 42px}
  .hero-text p{font-size:14.5px;line-height:1.78;text-wrap:pretty}
  .hero-text h1{font-size:clamp(22px,6.4vw,32px);line-height:1.26}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .hero-stats div{padding:12px 8px}
  .hero-stats b{font-size:24px}
  .hero .glass{padding:18px}
  .hero-actions .btn{min-width:132px;justify-content:center}
  .cta-inner{padding:34px 18px;border-radius:18px}
  .section-head h2{font-size:21px;padding-left:13px}
  .section-head h2::before{height:20px;width:4px}
  .hero-card{animation:none}
}
@media (prefers-reduced-motion:reduce){
  .hero::before,.hero-bg,.hero-card,.hero .glass::before,.cta-inner .btn-primary{animation:none!important}
}
/* end TECH LAYER */

/* 作品喂流：声音开关 */
.feed-sound{position:fixed;right:14px;bottom:calc(86px + env(safe-area-inset-bottom,0px));width:46px;height:46px;padding:0;border:0;border-radius:50%;background:rgba(8,16,34,.62);color:#fff;font-size:20px;line-height:46px;text-align:center;z-index:120;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 6px 20px rgba(0,0,0,.35);cursor:pointer;transition:background .2s,transform .15s}
.feed-sound:active{transform:scale(.94)}
.feed-sound.on{background:rgba(47,107,255,.92);box-shadow:0 6px 22px rgba(47,107,255,.45)}
.feed-tip{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(146px + env(safe-area-inset-bottom,0px));max-width:80%;padding:8px 16px;border-radius:999px;background:rgba(8,16,34,.74);color:#fff;font-size:12.5px;letter-spacing:.2px;white-space:nowrap;z-index:120;pointer-events:none;animation:tipFloat 2.6s ease-in-out infinite}
@keyframes tipFloat{0%,100%{opacity:.82}50%{opacity:1}}
.feed-media{cursor:pointer}
@media(min-width:681px){.feed-sound,.feed-tip{display:none}}
/* 供需厅头部：与首页一致的深空科技风 */
.page-hero.supply-hero{
  background:linear-gradient(135deg,#050b1c 0%,#081231 46%,#0a1a45 100%);
  color:#fff;position:relative;overflow:hidden;
  padding:64px 0 46px;border-bottom:1px solid rgba(120,170,255,.12);
}
.page-hero.supply-hero::before{
  content:'';position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,170,255,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,255,.10) 1px,transparent 1px);
  background-size:56px 56px,56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 76% 70% at 50% 42%,#000 28%,transparent 100%);
  mask-image:radial-gradient(ellipse 76% 70% at 50% 42%,#000 28%,transparent 100%);
  animation:tlGrid 22s linear infinite;
}
.page-hero.supply-hero::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:1px;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(94,231,245,.55),rgba(124,92,255,.55),transparent);
}
.page-hero.supply-hero .container{position:relative;z-index:3}
.page-hero.supply-hero .breadcrumb{color:rgba(226,238,255,.72)}
.page-hero.supply-hero h1{
  color:#fff;font-size:clamp(28px,4.4vw,42px);font-weight:900;letter-spacing:.5px;margin:0 0 10px;
  background:linear-gradient(100deg,#fff 0%,#bfe9ff 55%,#c8b9ff 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.page-hero.supply-hero p{color:rgba(226,238,255,.74);max-width:640px;margin:0 0 22px}

/* 供需筛选胶囊：深底上保证可读 */
.filter-bar .chip{color:rgba(226,238,255,.85);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.20)}
.filter-bar .chip:hover{color:#fff;background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.34)}
.filter-bar .chip.active{color:#fff;background:linear-gradient(120deg,var(--primary),var(--cyan));border-color:transparent;box-shadow:0 8px 22px rgba(47,107,255,.42)}