:root{
  --bg:#040914;--panel:#0b1728;--line:rgba(255,255,255,.085);--line2:rgba(255,255,255,.14);
  --text:#f5f8fc;--muted:#8da0b8;--dim:#62768f;--cyan:#59dcff;--mint:#77f2c2;
  --red:#ff7f91;--amber:#f5c86c;--shadow:0 26px 90px rgba(0,0,0,.34);--radius:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;color:var(--text);background:
radial-gradient(1000px 650px at 12% -10%,rgba(68,124,255,.16),transparent 62%),
radial-gradient(900px 700px at 100% 0%,rgba(56,225,190,.09),transparent 58%),
linear-gradient(180deg,var(--bg),#06101c 48%,#03070d);
font:14px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
button,input,select,textarea{font:inherit}a{color:inherit}
.ambient{position:fixed;border-radius:999px;filter:blur(90px);pointer-events:none;opacity:.35}
.ambient-a{width:360px;height:360px;left:-120px;top:160px;background:rgba(82,118,255,.22)}
.ambient-b{width:420px;height:420px;right:-140px;top:360px;background:rgba(67,230,190,.13)}
.noise{position:fixed;inset:0;pointer-events:none;opacity:.10;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.15'/%3E%3C/svg%3E")}
.shell,.admin-shell{width:min(1480px,calc(100% - 32px));margin:0 auto;padding:28px 0 48px;position:relative;z-index:1}
.glass-line{border-bottom:1px solid rgba(255,255,255,.055);padding-bottom:24px}
.topbar,.admin-topbar{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:24px}
.brand-block{max-width:760px}.eyebrow,.card-label{letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-size:10px;font-weight:800}
.live-dot{display:inline-block;width:7px;height:7px;background:var(--mint);border-radius:50%;box-shadow:0 0 18px var(--mint);margin-right:8px}
h1{font-size:clamp(30px,4vw,52px);letter-spacing:-.045em;line-height:1;margin:10px 0 12px}
h2{margin:5px 0 0;font-size:22px;letter-spacing:-.025em}p{margin:0;color:var(--muted)}.topbar p,.admin-topbar p{font-size:15px}
.card{background:linear-gradient(180deg,rgba(16,32,53,.88),rgba(7,18,31,.88));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.btn{appearance:none;border:1px solid transparent;border-radius:12px;padding:10px 14px;font-weight:760;cursor:pointer;color:var(--text);transition:.16s transform,.16s background,.16s border;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px}
.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn.primary{background:linear-gradient(135deg,#48cfff,#607cff);box-shadow:0 10px 30px rgba(65,142,255,.22)}
.btn.subtle{background:rgba(255,255,255,.045);border-color:var(--line)}
.btn.danger-soft{background:rgba(255,127,145,.08);border-color:rgba(255,127,145,.18);color:#ffadb8}.btn.wide{width:100%}
.top-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}

.hero-grid{display:grid;grid-template-columns:390px 1fr;gap:18px}
.price-card{padding:24px;overflow:hidden;position:relative}
.price-card:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-130px;bottom:-160px;background:rgba(83,219,255,.08)}
.card-topline,.card-head,.table-head,.section-intro{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}
.pair{font-weight:800;font-size:17px;margin-top:5px}
.status-chip{display:flex;align-items:center;gap:6px;padding:5px 8px;border-radius:999px;background:rgba(119,242,194,.07);border:1px solid rgba(119,242,194,.12);font-size:9px;font-weight:850;letter-spacing:.08em;color:#aaf6da}
.status-chip i{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint)}
.price-row{display:flex;align-items:center;gap:12px;margin:18px 0 4px}.price-row strong{font-size:44px;letter-spacing:-.055em}
.pill{padding:5px 8px;border-radius:999px;font-size:12px;font-weight:800}.pill.up{background:rgba(119,242,194,.12);color:var(--mint)}.pill.down{background:rgba(255,127,145,.12);color:var(--red)}.pill.neutral{background:rgba(255,255,255,.07);color:var(--muted)}
.subline{display:flex;gap:8px;color:var(--muted);font-size:12px}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:28px}
.mini-grid div{padding:11px;background:rgba(255,255,255,.032);border:1px solid rgba(255,255,255,.052);border-radius:14px}.mini-grid span{display:block;color:var(--muted);font-size:10px;margin-bottom:3px}.mini-grid b{font-size:12px}

.chart-card{padding:20px 20px 14px;min-height:300px}.chart-title{font-weight:800;font-size:18px;margin-top:4px}
.segmented{display:flex;padding:3px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:10px}
.segmented button{border:0;background:transparent;color:var(--muted);padding:6px 9px;border-radius:7px;cursor:pointer;font-weight:800}.segmented button.active{background:rgba(89,220,255,.13);color:var(--cyan)}
.chart-wrap{height:225px;position:relative;margin-top:12px}.chart-wrap canvas{display:block;width:100%;height:100%}.chart-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:12px}

.stats-row,.admin-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
.stat{padding:17px 18px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.033),rgba(255,255,255,.018));border-radius:17px;position:relative;overflow:hidden}
.stat.accent:after{content:"";position:absolute;inset:auto -30px -45px auto;width:110px;height:110px;border-radius:50%;background:rgba(89,220,255,.08)}
.stat span{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}.stat strong{font-size:19px;letter-spacing:-.025em}.stat small{display:block;color:var(--dim);font-size:10px;margin-top:3px}

.controls-card{margin-top:18px;padding:20px}.section-intro{align-items:center;margin-bottom:17px}
.hint-chip,.result-badge{padding:6px 9px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.035);color:var(--muted);font-size:10px}
.controls-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:12px}
label span{display:block;color:var(--muted);font-size:11px;font-weight:720;margin:0 0 6px}
input,select,textarea{width:100%;border-radius:12px;border:1px solid var(--line);background:#091524;color:var(--text);padding:10px 11px;outline:none;transition:.15s border,.15s box-shadow}
textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:rgba(89,220,255,.45);box-shadow:0 0 0 3px rgba(89,220,255,.07)}

.table-card{overflow:hidden;margin-top:18px}.table-head{padding:20px 20px 14px;align-items:center}.table-scroll{overflow:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
table{border-collapse:collapse;width:100%;min-width:1320px}th,td{padding:13px 12px;text-align:right;border-bottom:1px solid rgba(255,255,255,.05);white-space:nowrap}
th{position:sticky;top:0;background:#0a1626;color:#91a4bb;font-size:10px;letter-spacing:.03em;z-index:2}th:first-child,td:first-child{text-align:left;position:sticky;left:0;background:#091524;z-index:1}th:first-child{z-index:3}
th small{font-weight:500;color:#61748d}td{font-variant-numeric:tabular-nums}tbody tr{transition:.14s background}tbody tr:hover{background:rgba(89,220,255,.032)}
.model{font-weight:800}.series-tag{font-size:9px;color:var(--muted);margin-left:7px;border:1px solid var(--line);padding:2px 5px;border-radius:999px}
.positive{color:var(--mint)}.negative{color:var(--red)}.price-input{width:92px;padding:8px 9px;text-align:right}.roi{font-weight:760}
.source-link{color:var(--cyan);text-decoration:none;font-size:10px}.source-link:hover{text-decoration:underline}
.footnote{padding:13px 20px;color:var(--muted);font-size:10px}footer{display:flex;justify-content:space-between;gap:18px;color:#5e718a;font-size:10px;padding:24px 4px 0}

/* Admin */
.hidden{display:none!important}.login-wrap{min-height:calc(100vh - 56px);display:grid;place-items:center}.login-card{width:min(430px,100%);padding:34px;text-align:center}
.admin-mark{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;margin:0 auto 18px;background:linear-gradient(135deg,#4fd6ff,#667aff);font-size:24px;font-weight:900;box-shadow:0 16px 45px rgba(69,137,255,.25)}
.login-card h1{font-size:38px;margin:10px 0}.login-card p{margin-bottom:23px}.login-form{text-align:left;display:grid;gap:14px}.form-error{min-height:20px;color:#ff9eab;font-size:12px}
.back-link{display:inline-block;margin-top:16px;color:var(--muted);text-decoration:none;font-size:12px}.back-link:hover{color:var(--text)}
.admin-topbar{padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.055)}.admin-topbar h1{font-size:38px}
.admin-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px}.admin-card,.security-card{padding:20px}.settings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.settings-actions{grid-column:1/-1;display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:5px}.save-status{color:var(--muted);font-size:11px}
.security-list{display:grid;gap:11px;margin-top:17px}.security-list div{display:flex;gap:12px;align-items:flex-start;padding:12px;border:1px solid var(--line);background:rgba(255,255,255,.025);border-radius:14px}
.security-list i{font-style:normal;color:var(--cyan);font-size:10px;font-weight:900;padding-top:2px}.security-list span{display:block}.security-list b{display:block;font-size:12px}.security-list small{display:block;color:var(--muted);font-size:10px;margin-top:3px}
.security-note{margin-top:14px;padding:12px;border-radius:13px;background:rgba(245,200,108,.055);border:1px solid rgba(245,200,108,.12);color:#c8b589;font-size:10px}
.gpu-manager{margin-top:18px}.compact-search{width:220px}.admin-table-wrap{overflow:auto;border-top:1px solid var(--line);margin:0 -20px -20px}.admin-table{min-width:900px}.admin-table th:first-child,.admin-table td:first-child{position:static;background:transparent}.admin-table th,.admin-table td{text-align:left}
.row-actions{display:flex;gap:7px}.tiny-btn{border-radius:9px;padding:6px 9px;border:1px solid var(--line);background:rgba(255,255,255,.035);color:var(--text);cursor:pointer;font-weight:700;font-size:10px}.tiny-btn.delete{color:#ff9cab;border-color:rgba(255,127,145,.14)}
.gpu-dialog{border:0;padding:0;background:transparent;max-width:none;width:100%;height:100%;color:var(--text)}.gpu-dialog::backdrop{background:rgba(0,4,10,.76);backdrop-filter:blur(8px)}
.dialog-card{width:min(900px,calc(100% - 28px));max-height:calc(100vh - 40px);overflow:auto;margin:20px auto;background:#081525;border:1px solid var(--line2);border-radius:22px;box-shadow:0 35px 120px rgba(0,0,0,.6);padding:22px}
.dialog-head,.dialog-actions{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.icon-btn{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.035);color:var(--text);font-size:22px;cursor:pointer}
.dialog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin-top:18px}.dialog-grid .full{grid-column:1/-1}.dialog-actions{justify-content:flex-end;align-items:center;margin-top:18px}

@media(max-width:1100px){.admin-grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}.controls-grid{grid-template-columns:repeat(2,1fr)}.stats-row,.admin-kpis{grid-template-columns:repeat(2,1fr)}}
@media(max-width:660px){
  .shell,.admin-shell{width:min(100% - 20px,1480px);padding-top:18px}.topbar,.admin-topbar{display:block}.top-actions{margin-top:16px}
  .controls-grid,.settings-grid,.dialog-grid{grid-template-columns:1fr}.settings-actions,.dialog-grid .full{grid-column:1}.stats-row,.admin-kpis{grid-template-columns:1fr 1fr}
  .price-row strong{font-size:35px}footer{display:block}.compact-search{width:100%}.section-intro{display:block}.section-intro .top-actions{margin-top:12px}.login-card{padding:25px}
}
@media(max-width:430px){.stats-row,.admin-kpis{grid-template-columns:1fr}}

/* ---------- 补充：可访问性、滚动条、动效与新增组件 ---------- */
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
*{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent}
*::-webkit-scrollbar{height:8px;width:8px}
*::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px}
*::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.28)}
@media(prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}html{scroll-behavior:auto}}

@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.card{animation:fadeUp .45s ease both}
.hero-grid .card:nth-child(2){animation-delay:.05s}
.stats-row .stat{animation:fadeUp .45s ease both}
.stats-row .stat:nth-child(2){animation-delay:.05s}.stats-row .stat:nth-child(3){animation-delay:.1s}.stats-row .stat:nth-child(4){animation-delay:.15s}

/* 价格闪烁反馈：数值刷新时短暂高亮，让"实时"感更明显 */
@keyframes flashUp{0%{color:var(--mint);text-shadow:0 0 18px rgba(119,242,194,.55)}100%{color:inherit;text-shadow:none}}
@keyframes flashDown{0%{color:var(--red);text-shadow:0 0 18px rgba(255,127,145,.5)}100%{color:inherit;text-shadow:none}}
.flash-up{animation:flashUp .9s ease}
.flash-down{animation:flashDown .9s ease}

/* 骨架屏：数据加载中的占位效果，替代空白闪烁 */
.skeleton-row td{padding:14px 12px}
.skeleton-bar{height:12px;border-radius:6px;background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.14),rgba(255,255,255,.05));background-size:200% 100%;animation:shimmer 1.35s ease-in-out infinite}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* 表格空状态 */
.empty-state{padding:48px 20px;text-align:center;color:var(--muted)}
.empty-state b{display:block;color:var(--text);font-size:15px;margin-bottom:6px}

/* 图表悬停十字线与提示框 */
.chart-wrap{cursor:crosshair}
.chart-tooltip{position:absolute;pointer-events:none;background:rgba(6,14,26,.94);border:1px solid var(--line2);border-radius:10px;padding:8px 10px;font-size:11px;line-height:1.5;box-shadow:0 12px 30px rgba(0,0,0,.4);white-space:nowrap;opacity:0;transition:opacity .12s;z-index:5}
.chart-tooltip.show{opacity:1}
.chart-tooltip b{color:var(--cyan);font-size:12px}

/* Toast 通知：替代无提示的静默失败 */
.toast-stack{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:60;width:min(340px,calc(100vw - 36px))}
.toast{background:linear-gradient(180deg,rgba(18,34,55,.97),rgba(9,20,34,.97));border:1px solid var(--line2);border-radius:14px;padding:12px 14px;box-shadow:0 18px 50px rgba(0,0,0,.45);font-size:12.5px;display:flex;gap:10px;align-items:flex-start;animation:toastIn .22s ease}
.toast i{font-style:normal;font-size:15px;line-height:1}
.toast.success i{color:var(--mint)}.toast.error i{color:var(--red)}.toast.info i{color:var(--cyan)}
.toast span{flex:1;color:var(--text)}
@keyframes toastIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
.toast.leaving{animation:toastOut .18s ease forwards}
@keyframes toastOut{to{opacity:0;transform:translateY(6px) scale(.97)}}

/* 输入框数字微调按钮在暗色主题下更协调 */
input[type=number]{-moz-appearance:textfield}

/* Segmented / tab 按钮增加聚焦与激活的过渡细节 */
.segmented button{transition:.15s background,.15s color}
.btn.primary:active{transform:translateY(0) scale(.98)}
.tiny-btn:hover{border-color:var(--line2);background:rgba(255,255,255,.06)}

/* 顶部品牌小圆点呼吸感 */
.live-dot{animation:pulseDot 2.2s ease-in-out infinite}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.45}}