:root{--ink:#102033;--muted:#64748b;--line:#dbeafe;--paper:#f4f9ff;--white:#fff;--green:#0284c7;--green2:#0369a1;--mint:#e0f2fe;--orange:#38bdf8;--gold:#7dd3fc;--danger:#b91c1c;--shadow:0 18px 48px rgba(14,116,144,.10);--shadow-strong:0 26px 72px rgba(2,132,199,.18);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:radial-gradient(circle at 86% 8%,rgba(56,189,248,.20),transparent 28rem),radial-gradient(circle at 12% 0,rgba(125,211,252,.18),transparent 24rem),var(--paper)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p{margin-top:0}
small{color:var(--muted)}
:focus-visible{outline:3px solid rgba(56,189,248,.42);outline-offset:3px}
.skip-link{position:fixed;left:14px;top:-60px;z-index:99;background:#fff;color:var(--green);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}
.skip-link:focus{top:14px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.app-shell{display:grid;grid-template-columns:245px minmax(0,1fr);min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:245px;padding:28px 18px;display:flex;flex-direction:column;background:linear-gradient(180deg,#082f49,#075985);color:#eaf4ef;box-shadow:18px 0 60px rgba(8,47,73,.12)}
.brand{display:flex;align-items:center;gap:12px;padding:0 10px 28px}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#38bdf8,#e0f2fe);color:#075985;font-weight:900;letter-spacing:-1px}
.brand b,.brand small{display:block}
.brand small{font-size:11px;color:#c7e8f7;margin-top:3px}
.sidebar nav{display:grid;gap:5px}
.sidebar nav a{display:flex;align-items:center;gap:13px;padding:13px 14px;border-radius:10px;color:#c7e8f7;font-size:14px;transition:.18s ease}
.sidebar nav a:hover,.sidebar nav a.active{background:rgba(224,242,254,.16);color:#fff;transform:translateX(2px)}
.sidebar nav i{width:22px;text-align:center;font-style:normal}
.sidebar-user{margin-top:auto;border-top:1px solid rgba(224,242,254,.22);padding:20px 8px 0;display:flex;align-items:center;gap:10px}
.sidebar-user span:nth-child(2){flex:1}
.sidebar-user b,.sidebar-user small{display:block}
.sidebar-user small{font-size:11px;color:#c7e8f7}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#38bdf8,#e0f2fe);color:#075985;display:grid;place-items:center;font-weight:800;flex:none}
.avatar-img{object-fit:cover;border:2px solid rgba(255,255,255,.65)}
.main{grid-column:2;padding:30px 4vw 60px;max-width:1680px;width:100%;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:flex-end;padding:18px 22px;margin-bottom:20px;border:1px solid rgba(219,234,254,.9);border-radius:24px;background:rgba(255,255,255,.74);box-shadow:0 14px 40px rgba(14,116,144,.06);backdrop-filter:blur(16px)}
.topbar h1{font-size:28px;margin:3px 0 0;letter-spacing:-1px;color:#0f172a}
.eyebrow{font-size:10px;letter-spacing:2.2px;text-transform:uppercase;color:#0284c7;font-weight:800;margin-bottom:6px}
.top-actions{display:flex;align-items:center;gap:14px}
.date{font-size:13px;color:var(--muted)}
.icon-button{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#fff;box-shadow:0 12px 26px rgba(2,132,199,.12);color:#0284c7}
.hero,.event-banner,.detail-hero,.machine-hero,.service-banner,.profile-banner{border-radius:28px;padding:38px 42px;margin-bottom:22px;overflow:hidden;position:relative}
.hero,.event-banner,.detail-hero,.machine-hero,.service-banner,.profile-banner{background:linear-gradient(135deg,#0284c7,#38bdf8);color:#fff;box-shadow:var(--shadow-strong)}
.hero{min-height:285px;display:flex;justify-content:space-between}
.hero h2,.event-banner h2,.detail-hero h2,.machine-hero h2,.service-banner h2{font-size:38px;line-height:1.18;margin:18px 0 12px;letter-spacing:-1px}
.hero p,.event-banner p,.detail-hero p,.machine-hero p,.service-banner p,.profile-banner p{color:#e0f7ff}
.hero-actions{display:flex;gap:10px;margin-top:25px}
.hero-orbit{width:280px;display:grid;place-items:center;position:relative;font-size:72px;font-weight:900;color:#e0f2fe}
.hero-orbit div{position:absolute;border:1px solid rgba(255,255,255,.25);border-radius:50%}
.orbit-one{width:210px;height:210px}
.orbit-two{width:150px;height:250px;transform:rotate(55deg)}
.button{border:0;border-radius:10px;padding:11px 18px;font-weight:700;display:inline-block;text-align:center;transition:.18s ease}
.button:hover{transform:translateY(-1px);box-shadow:0 10px 18px rgba(2,132,199,.16)}
.button.primary{background:linear-gradient(135deg,#0284c7,#38bdf8);color:#fff}
.button.secondary{background:#e0f2fe;color:#075985}
.button.white{background:#fff;color:#0369a1}
.button.ghost-white{border:1px solid rgba(255,255,255,.45);color:#fff}
.button.wide{width:100%;padding:14px}
.pill,.tag,.rank,.status{display:inline-flex;align-items:center;border-radius:999px;font-size:11px;font-weight:700;padding:5px 10px}
.pill.light{background:rgba(255,255,255,.13);color:#fff;border:1px solid rgba(255,255,255,.18)}
.tag,.status{background:#e0f2fe;color:#0369a1}
.rank{background:#f0f9ff;color:#0369a1}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:22px}
.metric{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 16px 44px rgba(14,116,144,.07)}
.metric span,.metric b,.metric small{display:block}
.metric b{font-size:27px;margin:8px 0 4px}
.metric.accent{background:linear-gradient(135deg,#e0f2fe,#fff)}
.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:18px;margin-bottom:18px}
.panel{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 16px 44px rgba(14,116,144,.07);margin-bottom:18px;backdrop-filter:blur(12px)}
.span-2{min-width:0}
.section-head,.between{display:flex;justify-content:space-between;align-items:center;gap:12px}
.section-head{margin-bottom:18px}
.section-head h3{margin:0}
.section-head a{font-size:13px;color:var(--green);font-weight:700}
.event-row{display:grid;grid-template-columns:55px 1fr auto 20px;align-items:center;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.event-row:first-child{border-top:0}
.date-block{text-align:center;background:#eff6ff;border-radius:9px;padding:7px}
.date-block b,.date-block small,.event-copy b,.event-copy small{display:block}
.date-block b{font-size:19px;color:var(--green)}
.quick-grid{display:grid;gap:9px}
.quick-grid a{display:flex;gap:12px;align-items:center;padding:12px;background:#eff6ff;border:1px solid #dbeafe;border-radius:18px}
.quick-grid i{font-style:normal;width:34px;height:34px;background:#e0f2fe;color:#0284c7;display:grid;place-items:center;border-radius:9px}
.quick-grid b,.quick-grid small,.quick-grid span{display:block}
.post-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.post-strip a{padding:16px;border:1px solid var(--line);border-radius:12px;background:#fff}
.post-strip b,.post-strip small{display:block;margin-top:10px}
.tabbar,.filter-row{display:flex;gap:7px;margin-bottom:20px}
.tabbar button,.filter-row button{border:0;background:#fff;padding:9px 14px;border-radius:8px;color:var(--muted)}
.tabbar button.active,.filter-row button.active{background:var(--green);color:#fff}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}
.class-card,.result-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;transition:.18s ease;box-shadow:0 16px 44px rgba(14,116,144,.07)}
.class-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.class-card h3{margin:14px 0 4px}
.class-meta{display:grid;gap:7px;font-size:12px;color:var(--muted);margin:18px 0}
.progress{height:5px;background:#e7ede9;border-radius:5px;margin-bottom:8px}
.progress i{height:100%;display:block;background:linear-gradient(90deg,#0284c7,#7dd3fc);border-radius:5px}
.table-wrap{overflow:auto}
table{border-collapse:collapse;width:100%;font-size:13px;background:#fff}
thead{background:#eff6ff}
th{text-align:left;color:#0369a1;font-size:11px;text-transform:uppercase;letter-spacing:.7px}
th,td{padding:13px 10px;border-bottom:1px solid var(--line)}
tbody tr:hover{background:#f0f9ff}
td small{display:block;margin-top:3px}
code{background:#eef6ff;color:var(--green);padding:4px 7px;border-radius:5px;font-weight:800}
.text-button,.post-actions button{background:none;border:0;color:var(--green);font-weight:700;padding:4px}
.stack-form{display:grid;gap:13px}
.stack-form label,.large-form label,.auth-form label{display:grid;gap:6px;font-size:12px;font-weight:700;color:#475569}
input,select,textarea{width:100%;border:1px solid #bfdbfe;background:#fff;border-radius:14px;padding:10px 11px;outline:none;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:#38bdf8;box-shadow:0 0 0 4px rgba(56,189,248,.16)}
input[type=file]{background:#f7faf8;border-style:dashed}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.big-score{font-size:28px;color:var(--green)}
.list-card{border-top:1px solid var(--line);padding:17px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}
.list-card:first-of-type{border-top:0}
.searchbar{display:grid;grid-template-columns:minmax(0,1fr) 88px;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px;margin-bottom:15px}
.searchbar input{border:0;min-width:0;height:42px}
.searchbar button{border:0;background:linear-gradient(135deg,#0284c7,#38bdf8);color:#fff;border-radius:10px;padding:0 18px;font-weight:700}
.event-card-grid,.machine-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.event-card,.machine-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:.2s;box-shadow:0 16px 44px rgba(14,116,144,.07)}
.event-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-strong)}
.event-cover,.machine-image{height:145px;background:linear-gradient(135deg,#0284c7,#7dd3fc);color:#fff;display:flex;justify-content:space-between;align-items:flex-start;padding:18px;position:relative}
.event-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.event-cover.has-poster:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,30,22,.2),rgba(9,30,22,.7))}
.event-cover span,.event-cover b{position:relative;z-index:1}
.event-cover b{font-size:55px;align-self:center;opacity:.3}
.event-body{padding:20px}
.event-body h3{margin:13px 0 7px}
.event-body p{color:var(--muted);font-size:13px;min-height:40px}
.event-facts{display:grid;gap:7px;color:#59675f;font-size:12px;margin:15px 0}
.event-foot{border-top:1px solid var(--line);padding-top:14px;display:flex;justify-content:space-between;font-size:11px}
.event-foot b{color:var(--green)}
.large-form{max-width:950px}
.large-form hr{border:0;border-top:1px solid var(--line);margin:23px 0}
.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center}
.check input{width:auto}
.form-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:20px}
.group-grid,.match-grid,.knowledge-grid,.price-grid,.quick-manage,.action-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.group-grid article,.match-card,.knowledge-grid article,.price-grid article{border:1px solid var(--line);padding:17px;border-radius:22px;background:#fff}
.quick-manage{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}
.quick-manage a{background:#fff;border:1px solid var(--line);border-radius:22px;padding:19px;display:grid;gap:5px;box-shadow:0 16px 44px rgba(14,116,144,.07)}
.quick-manage i{font-style:normal;color:#0284c7;font-size:22px}
.action-grid a{background:#eff6ff;padding:17px;border-radius:18px;color:#075985;font-weight:700}
.inline-form{display:flex;gap:5px}
.profile-banner{display:flex;align-items:center;gap:20px}
.profile-avatar{width:84px;height:84px;border-radius:28px;display:grid;place-items:center;background:linear-gradient(135deg,#38bdf8,#e0f2fe);color:#075985;font-size:31px;font-weight:950;flex:none}
.profile-avatar-img{object-fit:cover;border:3px solid rgba(255,255,255,.72)}
.profile-banner h2{margin:9px 0 3px}
.profile-stats{margin-left:auto;display:flex;gap:28px}
.profile-stats span,.profile-stats b{display:block;text-align:center}
.profile-stats span{padding:12px 16px;border-radius:18px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18)}
.profile-stats b{font-size:25px}
.toast{position:relative;padding:12px 15px;background:#e5f3eb;color:var(--green);border-radius:9px;margin-bottom:14px;transition:.3s}
.toast.error{background:#ffebe5;color:#a13f22}
.toast.fade{opacity:0;transform:translateY(-5px)}
.empty{padding:35px;text-align:center;color:var(--muted);background:#f7f9ff;border-radius:10px}
.mobile-nav{display:none}
.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:#fff}
.auth-visual{background:linear-gradient(135deg,#082f49,#0284c7);color:#fff;padding:45px 6vw;position:relative;overflow:hidden;display:flex;flex-direction:column}
.auth-brand{display:flex;align-items:center;gap:11px;font-weight:800}
.visual-copy{margin:auto 0;max-width:600px;position:relative;z-index:2}
.visual-copy h1{font-size:54px;line-height:1.2;letter-spacing:-2px}
.visual-copy p{color:#d9f3ff;line-height:1.8}
.register-visual{background:linear-gradient(145deg,#075985,#0ea5e9)}
.auth-panel{display:grid;place-items:center;padding:40px}
.auth-form{width:min(440px,100%)}
.auth-form h2{font-size:30px;margin-bottom:8px}
.muted{color:var(--muted);font-size:13px;line-height:1.6;margin-bottom:25px}
.auth-form label{margin-bottom:14px}
.auth-link{text-align:center;color:var(--muted);font-size:13px;margin-top:18px}
.auth-link a{color:var(--green);font-weight:700}
.segmented{display:grid;grid-template-columns:1fr 1fr;background:#eff3f8;padding:4px;border-radius:10px;margin-bottom:18px}
.segmented input{display:none}
.segmented span{display:block;text-align:center;padding:10px;border-radius:8px}
.segmented input:checked+span{background:#fff;color:var(--green);box-shadow:0 2px 8px rgba(0,0,0,.07)}
.demo-hint{font-size:11px;color:var(--muted);background:#f5f7f9;padding:10px;border-radius:7px;margin-top:18px;text-align:center}
@media(max-width:1100px){.metric-grid,.post-strip,.event-card-grid,.machine-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.price-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.app-shell{display:block}.sidebar{display:none}.main{padding:20px 15px 90px}.mobile-nav{display:flex;position:fixed;z-index:10;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);justify-content:space-around;padding:9px 3px}.mobile-nav a{display:grid;text-align:center;color:var(--green);font-size:18px}.mobile-nav small{font-size:9px}.topbar{align-items:center;padding:14px 16px;border-radius:20px}.date{display:none}.hero,.event-banner,.detail-hero,.machine-hero,.service-banner,.profile-banner{padding:26px 22px}.hero h2,.event-banner h2,.detail-hero h2,.machine-hero h2,.service-banner h2{font-size:28px}.hero-orbit{display:none}.metric-grid,.card-grid,.event-card-grid,.machine-grid,.group-grid,.match-grid,.quick-manage,.action-grid,.post-strip,.knowledge-grid,.price-grid{grid-template-columns:1fr 1fr}.content-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.auth-shell{grid-template-columns:1fr}.auth-visual{display:none}.auth-panel{padding:28px 20px}.profile-banner{align-items:flex-start;flex-wrap:wrap}.profile-stats{margin-left:0;width:100%}}
@media(max-width:460px){.metric-grid,.event-card-grid,.machine-grid,.group-grid,.match-grid,.quick-manage,.post-strip,.knowledge-grid,.price-grid{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr 1fr}.hero-actions{flex-wrap:wrap}.topbar h1{font-size:22px}.panel{padding:18px}}
.logout-panel{display:flex;justify-content:flex-end;margin-top:18px}
.logout-button{display:inline-flex;align-items:center;justify-content:center;min-width:140px;padding:12px 22px;border-radius:14px;background:#dc2626;color:#fff;font-weight:900;box-shadow:0 12px 28px rgba(220,38,38,.22);transition:.18s ease}
.logout-button:hover{background:#b91c1c;transform:translateY(-1px)}
@media(max-width:620px){.logout-button{width:100%}}