:root{--ink:#1c1c1e;--dim:#c8c8cc;--bg:#fff;--line:#ececf0;--muted:#6b6b72;--green:#15803d;--blue:#3b6cff;--rose:#e0707f;--soft:#eef1fb}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-weight:500;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block}
.top{max-width:680px;margin:0 auto;padding:30px 24px 0;display:flex;justify-content:space-between;align-items:center;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:20px;text-decoration:none;letter-spacing:-.02em}
.logo i{width:34px;height:34px;display:block}
.logo i img{width:100%;height:100%;display:block}
.nav{display:flex;gap:6px;align-items:center}
.nav a{font-size:15px;text-decoration:none;color:var(--muted);padding:9px 12px;border-radius:999px}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.tag{border:1px solid var(--line);border-radius:999px;padding:11px 20px;font-size:15px;text-decoration:none;background:#fff;color:var(--ink);cursor:pointer;font-family:inherit;font-weight:500;display:inline-block}
.tag.dark{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}
@media(max-width:520px){.nav a.hide{display:none}}
.wrap{max-width:680px;margin:0 auto;padding:0 24px}
.wide{max-width:980px;margin:0 auto;padding:0 24px}
footer{max-width:680px;margin:0 auto;padding:0 24px 150px;color:var(--muted);font-size:15px;line-height:2}
footer a{color:var(--muted)}
.dock{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:20}
.dock a,.dock button{display:flex;align-items:center;gap:18px;background:#1d1d1f;color:#fff;border:0;border-radius:999px;padding:9px 9px 9px 26px;font:600 16px Inter,system-ui,sans-serif;cursor:pointer;box-shadow:0 12px 34px rgba(0,0,0,.28);text-decoration:none}
.dock span{width:34px;height:34px;border-radius:50%;background:#46464a;display:grid;place-items:center;font-size:22px;font-weight:500;transition:transform .3s}
.dock a:hover span{transform:rotate(90deg)}

/* ---------- dashboard (mirrors the real product UI) ---------- */
.break{width:min(1120px,calc(100vw - 32px));margin-left:calc(50% - min(1120px,calc(100vw - 32px))/2)}
.dash{background:#fff;border-radius:22px;box-shadow:0 14px 40px rgba(20,20,40,.1),0 0 0 1px rgba(0,0,0,.06);overflow:hidden;font-size:14px;color:var(--ink);text-align:left}
.dash *{font-size:inherit}
.dh{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;gap:10px;flex-wrap:wrap}
.site{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-weight:600}
.site i{width:16px;height:16px;border-radius:5px;background:linear-gradient(135deg,#3b5bdb,#7c8cff);display:inline-block}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;padding:3px;background:#fafafb}
.seg button{border:0;background:none;padding:6px 13px;border-radius:8px;font:inherit;color:var(--muted);cursor:pointer;transition:background .2s,color .2s,transform .15s}
.seg button:hover{color:var(--ink)}
.seg button:active{transform:scale(.95)}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 0 0 1px var(--line),0 1px 2px rgba(0,0,0,.06);font-weight:600}
.online{color:var(--muted);display:flex;align-items:center;gap:6px}
.online b{color:var(--ink);min-width:1ch}
.online:before{content:"";width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.5);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.kpis{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kpi{padding:16px 18px;border:0;border-right:1px solid var(--line);background:none;font:inherit;text-align:left;color:inherit;display:block;transition:background .2s}
.kpi:last-child{border-right:0}
.kpi.tog{cursor:pointer}
.kpi.tog:hover{background:#f8f8fb}
.kpi.tog:not(.on){opacity:.45}
.kpi .l{color:var(--muted);display:flex;align-items:center;gap:7px;font-size:13px}
.sw{display:inline-block;width:9px;height:9px;border-radius:3px;background:var(--blue)}
.sw.r{background:var(--rose)}
.kpi .v{font-size:clamp(20px,2.4vw,28px);font-weight:600;letter-spacing:-.03em;margin:6px 0 2px;font-variant-numeric:tabular-nums}
.kpi .d{color:var(--green);font-size:12px}
.kpi .d.dn{color:#b45309}
@media(max-width:900px){.kpis{grid-template-columns:repeat(2,1fr)}.kpi{border-bottom:1px solid var(--line)}.kpi.hide-s{display:none}}
.chart{padding:18px 14px 6px;position:relative}
.chart svg{width:100%;height:auto;display:block;overflow:visible}
.chart text{font-size:11px;fill:#9a9aa3;font-family:inherit}
.chart .bar{transform-box:fill-box;transform-origin:bottom;animation:grow .7s both cubic-bezier(.2,.8,.2,1)}
@keyframes grow{from{transform:scaleY(0)}}
.chart .ln{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.4s .2s forwards ease-out}
@keyframes draw{to{stroke-dashoffset:0}}
.note{position:absolute;top:8px;transform:translateX(-50%);background:#fff;border:1px solid var(--line);border-radius:8px;padding:4px 9px;font-size:12px;font-weight:600;box-shadow:0 2px 6px rgba(0,0,0,.06);white-space:nowrap;display:flex;gap:6px;align-items:center;transition:transform .2s,box-shadow .2s}
.note:hover{transform:translateX(-50%) translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.12)}
.tip{display:none;position:absolute;background:#17171c;color:#fff;border-radius:10px;padding:9px 12px;font-size:12px;pointer-events:none;z-index:3;line-height:1.7;white-space:nowrap}
.tip b{display:block;font-weight:600;margin-bottom:2px}
.tip span{display:flex;gap:7px;align-items:center}
.panels{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:12px}
@media(max-width:820px){.panels{grid-template-columns:1fr}}
.tbl{border:1px solid var(--line);border-radius:16px;padding:10px;background:#fcfcfe;min-width:0}
.tb{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:8px}
.tb .seg button{padding:5px 11px}
.tb .sort{color:var(--muted)}
.ref{position:relative;display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;margin-bottom:5px;font-weight:500;overflow:hidden;min-height:38px;transition:transform .2s,box-shadow .2s}
.ref:hover{transform:translateX(3px);box-shadow:0 0 0 1px #d9def2}
.ref:before{content:"";position:absolute;left:0;top:0;bottom:0;width:var(--b);background:#e6ebf8;border-radius:8px;transform-origin:left;transform:scaleX(0);transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.ref:after{content:"";position:absolute;right:0;top:0;bottom:0;width:calc(var(--r)*.38);background:#fbe3e6;border-radius:8px;opacity:.9;transform-origin:right;transform:scaleX(0);transition:transform 1s .15s cubic-bezier(.2,.8,.2,1)}
.on-view .ref:before,.on-view .ref:after{transform:none}
.ref>*{position:relative;z-index:1}
.ref img,.ref .ph{width:18px;height:18px;object-fit:contain;flex:none;border-radius:4px;transition:transform .25s cubic-bezier(.3,1.6,.5,1)}
.ref:hover img,.ref:hover .ph{transform:scale(1.25) rotate(-8deg)}
.ref .ph{display:grid;place-items:center;color:#55556a}
.ref .ph svg{width:16px;height:16px}
.ref .n{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ref .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.ref .sp{width:56px;height:20px;flex:none}
.ref .pill{background:#17171c;color:#fff;border-radius:7px;padding:4px 9px;font-size:12px;font-style:italic;white-space:nowrap}
.ref .c{font-variant-numeric:tabular-nums;font-weight:600;min-width:44px;text-align:right}
@media(max-width:560px){.ref .pill{font-size:11px;padding:3px 7px}.ref .sp{display:none}}
.cap{padding:2px 18px 16px;color:var(--muted);font-size:12px}
.dash.full .dh,.dash.full .cap{padding-left:20px;padding-right:20px}
/* demo extras */
.panel2{background:#fff;border-radius:22px;box-shadow:0 0 0 1px rgba(0,0,0,.07),0 10px 30px rgba(20,20,40,.06);padding:22px;min-width:0}
.panel2 h3{margin:0 0 4px;font-size:18px;letter-spacing:-.02em;font-weight:600}
.panel2 .s{color:var(--muted);font-size:14px;margin:0 0 16px;font-weight:400}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:820px){.grid2{grid-template-columns:1fr}}
.heat{display:grid;grid-template-columns:34px repeat(24,1fr);gap:3px;align-items:center}
.heat .hl{display:none}
.heat .hx{font-size:11px;color:var(--muted);grid-row:1}
.heat .hd{font-size:11px;color:var(--muted)}
.heat i{aspect-ratio:1;border-radius:4px;background:rgba(59,108,255,calc(.06 + var(--a)*.9));transition:transform .15s,box-shadow .15s}
.heat i:hover{transform:scale(1.5);box-shadow:0 4px 10px rgba(59,108,255,.4);position:relative;z-index:2}
.ps{margin-bottom:16px}
.ps .pt{display:flex;justify-content:space-between;margin-bottom:6px;font-size:14px}
.ps .pb{height:12px;border-radius:7px;background:#eef0f6;overflow:hidden}
.ps .pb i{display:block;height:100%;width:0;border-radius:7px;background:linear-gradient(90deg,#3b6cff,#7c8cff);transition:width 1.2s cubic-bezier(.2,.8,.2,1)}
.in .ps .pb i,.on-view .ps .pb i{width:var(--w)}
.ps:last-child .pb i{background:linear-gradient(90deg,#16a34a,#4ade80)}
.ps .pp{font-size:12px;color:var(--muted);margin-top:5px}
.lv{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;margin-bottom:6px;background:#f7f8fc;animation:slidein .45s both;font-size:14px}
.lv img{width:18px;height:18px}
.lv span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lv em{font-style:normal;font-size:12px;color:var(--muted)}
.lv.sale{background:#eafaf0;box-shadow:inset 0 0 0 1px #bfe8cf}
@keyframes slidein{from{opacity:0;transform:translateY(-10px)}}

/* ---------- article / content pages ---------- */
.art{max-width:680px;margin:0 auto;padding:clamp(48px,9vh,90px) 24px 40px}
.art h1{font-size:clamp(30px,5.6vw,46px);line-height:1.12;letter-spacing:-.03em;margin:0 0 18px;font-weight:600}
.art h2{font-size:24px;letter-spacing:-.02em;margin:44px 0 12px;font-weight:600}
.art p,.art li{font-size:18px;line-height:1.7;font-weight:400;color:#2c2c30}
.art .meta{color:var(--muted);font-size:14px;margin-bottom:26px}
.art .lede{font-size:21px;line-height:1.55;font-weight:500;color:var(--ink)}
.art a{text-underline-offset:.18em}
.art table{width:100%;border-collapse:collapse;margin:20px 0;font-size:16px}
.art th,.art td{border-bottom:1px solid var(--line);padding:11px 8px;text-align:left}
.art th{color:var(--muted);font-weight:500;font-size:14px}
.callout{background:var(--soft);border-radius:18px;padding:20px 22px;margin:28px 0}
.callout p{margin:0}
.cards{display:grid;gap:14px;margin:26px 0}
.pcard{border-radius:22px;padding:26px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.08)}
.pcard.hot{background:var(--ink);color:#fff}
.pcard h3{margin:0 0 6px;font-size:17px;font-weight:600}
.pcard .pr{font-size:44px;font-weight:600;letter-spacing:-.04em;line-height:1.1}
.pcard .pr small{font-size:16px;font-weight:500;color:var(--muted);letter-spacing:0}
.pcard.hot small,.pcard.hot li{color:#c4c4cc}
.pcard ul{margin:14px 0 18px;padding-left:20px}
.pcard li{font-size:16px;line-height:1.7;color:var(--muted)}
.pcard .tag{margin-top:4px}
.pcard.hot .tag{background:#fff;color:var(--ink);border-color:#fff;font-weight:600}
.plist{list-style:none;padding:0;margin:26px 0;display:grid;gap:12px}
.plist a{display:block;text-decoration:none;border-radius:20px;padding:22px;box-shadow:0 0 0 1px rgba(0,0,0,.08);transition:transform .2s,box-shadow .2s}
.plist a:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(20,20,40,.1),0 0 0 1px rgba(0,0,0,.08)}
.plist b{display:block;font-size:20px;letter-spacing:-.02em;margin-bottom:6px}
.plist span{color:var(--muted);font-weight:400;line-height:1.5}
.plist em{display:block;font-style:normal;font-size:13px;color:var(--muted);margin-top:10px}
.eyebrow{display:inline-block;font-size:13px;color:var(--muted);margin-bottom:14px;letter-spacing:.02em}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}.ref:before,.ref:after{transform:none}}

/* sticky offer bar */
.mx-ob{position:sticky;top:0;z-index:60;display:flex;justify-content:center;align-items:center;gap:14px;padding:9px 16px;background:var(--ink);color:#fff;font-size:14px;line-height:1.2}
.mx-ob b{font-weight:700}
.mx-ob a{display:inline-flex;align-items:center;gap:4px;padding:6px 14px;border-radius:99px;background:#fff;color:var(--ink);font-weight:700;text-decoration:none;white-space:nowrap;transition:transform .2s,box-shadow .2s}
.mx-ob a:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(255,255,255,.25)}
.mx-ob a i{font-style:normal;transition:transform .2s}.mx-ob a:hover i{transform:translate(2px,-2px)}
@media(max-width:520px){.mx-ob{gap:10px;font-size:13px;padding:8px 12px}.mx-ob a{padding:6px 12px}}