:root {
  --ink: #eef3fa;
  --muted: #91a0b5;
  --dim: #64738a;
  --bg: #08111f;
  --panel: rgba(16, 29, 48, .84);
  --line: rgba(161, 183, 209, .14);
  --blue: #6ca8ff;
  --cyan: #51d7cf;
  --coral: #ff927c;
  --lime: #b9e56c;
}

* { box-sizing: border-box; }
html { background: var(--bg); color: var(--ink); }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(900px 500px at 83% -4%, rgba(81, 148, 255, .18), transparent 64%),
    radial-gradient(700px 520px at -10% 34%, rgba(81, 215, 207, .10), transparent 60%),
    var(--bg);
  font-family: Manrope, "Segoe UI", sans-serif;
}

.grain { position: fixed; inset: 0; pointer-events: none; opacity: .045; z-index: 0; 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='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E"); }
.shell { position: relative; z-index: 1; max-width: 1380px; margin: auto; padding: 28px 42px 26px; }
.topbar, .intro, .panel-heading, .chart-foot, .footer, .info-strip { display: flex; align-items: center; justify-content: space-between; }
.topbar { padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand-mark { display: flex; align-items: flex-end; gap: 3px; width: 28px; height: 30px; padding: 4px; border: 1px solid rgba(108,168,255,.6); border-radius: 9px; transform: rotate(-8deg); }
.brand-mark i { display: block; width: 5px; border-radius: 4px; background: var(--cyan); }
.brand-mark i:nth-child(1) { height: 9px; opacity: .65; }.brand-mark i:nth-child(2) { height: 16px; }.brand-mark i:nth-child(3) { height: 22px; background: var(--blue); }
.brand b, .brand em { display: block; font-style: normal; }.brand b { font-size: 14px; letter-spacing: .18em; }.brand em { color: var(--muted); font: 10px "DM Mono", monospace; letter-spacing: .1em; margin-top: 4px; }
.top-meta { display: flex; align-items: center; gap: 10px; color: var(--dim); font: 10px "DM Mono", monospace; letter-spacing: .12em; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(81,215,207,.1), 0 0 16px var(--cyan); }
.refresh { border: 1px solid var(--line); border-radius: 99px; padding: 8px 11px; background: rgba(255,255,255,.03); color: var(--ink); cursor: pointer; font: 11px Manrope, sans-serif; transition: .2s ease; }.refresh:hover { background: rgba(108,168,255,.14); border-color: rgba(108,168,255,.5); }.refresh:disabled { opacity: .5; cursor: wait; }
.intro { padding: 68px 0 50px; gap: 30px; align-items: flex-end; }.eyebrow { margin: 0 0 14px; color: var(--blue); font: 10px "DM Mono", monospace; letter-spacing: .17em; text-transform: uppercase; }.eyebrow span { color: var(--cyan); }
h1 { max-width: 760px; margin: 0; font-size: clamp(44px, 7vw, 90px); line-height: .98; letter-spacing: -.075em; font-weight: 800; }.intro h1 span { color: var(--cyan); }
.lead { margin: 25px 0 0; color: var(--muted); font-size: 14px; line-height: 1.9; }.date-card { min-width: 196px; padding: 18px 19px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(140deg, rgba(108,168,255,.12), rgba(81,215,207,.04)); }.date-card span, .date-card small { display: block; color: var(--muted); font: 10px "DM Mono", monospace; letter-spacing: .12em; }.date-card strong { display: block; margin: 11px 0 4px; font: 20px "DM Mono", monospace; letter-spacing: -.04em; }.date-rule { display: flex; gap: 4px; margin-top: 18px; }.date-rule i { display: block; height: 3px; border-radius: 3px; background: var(--cyan); }.date-rule i:nth-child(1) { width: 48%; }.date-rule i:nth-child(2) { width: 27%; opacity: .55; }.date-rule i:nth-child(3) { width: 12%; opacity: .28; }
.quote-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }.quote-card { position: relative; min-height: 174px; padding: 19px; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: linear-gradient(150deg, rgba(20,39,64,.9), rgba(11,23,39,.86)); cursor: pointer; transition: transform .22s ease, border-color .22s ease, background .22s ease; }.quote-card:hover, .quote-card.active { transform: translateY(-4px); border-color: rgba(81,215,207,.5); background: linear-gradient(150deg, rgba(27,56,81,.94), rgba(11,23,39,.9)); }.quote-card::after { content: ""; position: absolute; width: 100px; height: 100px; right: -45px; top: -46px; border: 1px solid rgba(81,215,207,.2); border-radius: 50%; box-shadow: 0 0 0 12px rgba(81,215,207,.025), 0 0 0 24px rgba(81,215,207,.018); }.quote-top { display: flex; justify-content: space-between; align-items: flex-start; }.quote-code { font: 17px "DM Mono", monospace; letter-spacing: .04em; }.quote-name { margin-top: 5px; color: var(--muted); font-size: 11px; }.quote-change { padding: 4px 7px; border-radius: 5px; color: var(--cyan); background: rgba(81,215,207,.09); font: 10px "DM Mono", monospace; }.quote-change.down { color: var(--coral); background: rgba(255,146,124,.09); }.quote-value { margin: 27px 0 3px; font: 29px "DM Mono", monospace; letter-spacing: -.08em; }.quote-label { color: var(--dim); font: 10px "DM Mono", monospace; }.quote-spread { display: flex; justify-content: space-between; gap: 12px; margin-top: 20px; padding-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }.quote-spread b { color: var(--ink); font: 11px "DM Mono", monospace; }
.workspace { display: grid; grid-template-columns: minmax(0, 1.66fr) minmax(300px, .74fr); gap: 14px; margin-top: 14px; }.panel { border: 1px solid var(--line); border-radius: 17px; background: var(--panel); box-shadow: 0 22px 60px rgba(0,0,0,.12); }.chart-panel { padding: 25px 26px 18px; min-height: 500px; }.panel-heading { align-items: flex-start; gap: 18px; }.panel-heading.compact { align-items: center; }.panel-heading h2 { margin: 0; font-size: 21px; letter-spacing: -.045em; }.period-tabs { display: flex; gap: 5px; padding: 4px; border: 1px solid var(--line); border-radius: 9px; }.period-tabs button { border: 0; border-radius: 6px; padding: 7px 10px; background: transparent; color: var(--muted); cursor: pointer; font: 10px "DM Mono", monospace; }.period-tabs button:hover, .period-tabs button.selected { color: var(--bg); background: var(--cyan); }.legend { display: flex; flex-wrap: wrap; gap: 15px; margin: 31px 0 11px; color: var(--muted); font-size: 10px; }.legend > span { display: inline-flex; align-items: center; gap: 6px; }.legend .unit { margin-left: auto; color: var(--dim); font: 10px "DM Mono", monospace; }.legend-line { width: 18px; height: 2px; display: inline-block; border-radius: 2px; }.legend-line.reference { background: var(--blue); }.legend-line.buy { background: var(--cyan); }.legend-line.sell { background: var(--coral); }
.chart-wrap { position: relative; height: 330px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.chart-wrap canvas { display: block; width: 100%; height: 100%; touch-action: none; }.chart-tip { position: absolute; z-index: 4; min-width: 158px; padding: 10px 11px; border: 1px solid rgba(108,168,255,.55); border-radius: 9px; background: rgba(7,17,31,.97); box-shadow: 0 14px 30px rgba(0,0,0,.3); pointer-events: none; font: 10px "DM Mono", monospace; }.chart-tip strong { display: block; margin-bottom: 7px; color: var(--ink); font-weight: 500; }.chart-tip span { display: flex; justify-content: space-between; gap: 14px; margin-top: 4px; color: var(--muted); }.chart-tip i { width: 6px; height: 6px; display: inline-block; margin: 0 5px 1px 0; border-radius: 50%; }.chart-tip .ref i { background: var(--blue); }.chart-tip .buy i { background: var(--cyan); }.chart-tip .sell i { background: var(--coral); }.chart-crosshair { position: absolute; z-index: 2; top: 0; bottom: 0; width: 1px; background: linear-gradient(to bottom, transparent, rgba(238,243,250,.5) 14%, rgba(238,243,250,.5) 86%, transparent); pointer-events: none; }.chart-crosshair span { position: absolute; left: -4px; width: 9px; height: 9px; border: 2px solid var(--ink); border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(108,168,255,.18); }.chart-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font: 11px "DM Mono", monospace; }.chart-foot { padding-top: 12px; color: var(--dim); font: 10px "DM Mono", monospace; }.side-column { display: flex; flex-direction: column; gap: 14px; }.quick-panel, .snapshot-panel { padding: 21px; }.orbit { color: var(--cyan); font-size: 20px; opacity: .7; }.currency-list { margin-top: 17px; display: grid; gap: 7px; }.currency-btn { display: flex; align-items: center; gap: 10px; width: 100%; padding: 11px 10px; border: 1px solid transparent; border-radius: 10px; background: rgba(255,255,255,.025); color: var(--ink); text-align: left; cursor: pointer; transition: .2s ease; }.currency-btn:hover, .currency-btn.active { border-color: rgba(81,215,207,.4); background: rgba(81,215,207,.08); }.currency-symbol { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 8px; background: rgba(108,168,255,.14); color: var(--blue); font: 11px "DM Mono", monospace; }.currency-btn b { font-size: 12px; font-weight: 600; }.currency-btn small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; }.currency-btn .mini-value { margin-left: auto; color: var(--muted); font: 11px "DM Mono", monospace; }.snapshot-table { margin-top: 15px; }.snapshot-row { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 7px; padding: 11px 0; border-top: 1px solid var(--line); font-size: 10px; }.snapshot-row:first-child { border-top: 0; padding-top: 0; }.snapshot-row span:first-child { color: var(--ink); font: 11px "DM Mono", monospace; }.snapshot-row span:nth-child(2), .snapshot-row span:nth-child(3) { color: var(--muted); text-align: right; font: 10px "DM Mono", monospace; }.snapshot-row .buy-val { color: var(--cyan); }.snapshot-row .sell-val { color: var(--coral); }
.section-lead { margin: 8px 0 0; color: var(--muted); font-size: 11px; }.price-note { display: flex; align-items: center; gap: 8px; color: var(--cyan); font: 10px "DM Mono", monospace; letter-spacing: .1em; }.price-note .live-dot { width: 6px; height: 6px; }.subscription-panel { margin-top: 14px; padding: 25px 26px 18px; }.price-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 9px; margin-top: 24px; }.price-card { min-width: 0; padding: 15px 13px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.025); }.price-card.chatgpt { border-top: 2px solid var(--blue); }.price-card.claude { border-top: 2px solid var(--coral); }.price-service { color: var(--muted); font: 9px "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }.price-name { min-height: 34px; margin: 7px 0 14px; font-size: 13px; font-weight: 700; }.price-usd { padding-bottom: 10px; border-bottom: 1px solid var(--line); color: var(--ink); font: 18px "DM Mono", monospace; }.price-usd small { color: var(--dim); font-size: 9px; }.price-list { display: grid; gap: 7px; margin-top: 11px; }.price-line { display: flex; justify-content: space-between; gap: 6px; color: var(--muted); font: 9px "DM Mono", monospace; }.price-line b { color: var(--ink); font-weight: 500; text-align: right; }.price-line.cny b { color: var(--cyan); }.price-foot { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 17px; color: var(--dim); font: 9px "DM Mono", monospace; line-height: 1.6; }.price-foot span:last-child { margin-left: auto; text-align: right; }.info-strip { gap: 16px; margin-top: 14px; padding: 19px 21px; border: 1px solid rgba(81,215,207,.18); border-radius: 14px; background: linear-gradient(100deg, rgba(81,215,207,.07), rgba(108,168,255,.05)); }.info-icon { width: 30px; height: 30px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: rgba(81,215,207,.13); color: var(--cyan); font-size: 16px; }.info-strip strong { display: block; font-size: 12px; }.info-strip p { margin: 4px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }.data-note { margin-left: auto; color: var(--muted); text-align: right; font: 10px "DM Mono", monospace; line-height: 1.7; }.data-note span { color: var(--cyan); letter-spacing: .12em; }.footer { margin-top: 25px; color: var(--dim); font: 9px "DM Mono", monospace; letter-spacing: .04em; }.footer span:nth-child(2) { color: var(--cyan); }
@media (max-width: 1040px) { .quote-grid { grid-template-columns: repeat(3, 1fr); }.workspace { grid-template-columns: 1fr; }.side-column { display: grid; grid-template-columns: 1fr 1fr; }.chart-panel { min-height: 0; }.price-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 680px) { .shell { padding: 18px 16px; }.topbar { align-items: flex-start; }.top-meta > span:not(.live-dot), .refresh span { display: none; }.intro { display: block; padding: 48px 0 35px; }.date-card { margin-top: 27px; }.quote-grid { grid-template-columns: repeat(2, 1fr); }.quote-card { min-height: 162px; padding: 15px; }.quote-value { margin-top: 20px; font-size: 24px; }.workspace { margin-top: 11px; }.chart-panel { padding: 20px 15px 15px; }.panel-heading { display: block; }.period-tabs { width: max-content; margin-top: 16px; }.legend { gap: 9px; margin-top: 22px; }.legend .unit { width: 100%; margin-left: 0; }.chart-wrap { height: 270px; }.side-column { display: flex; }.subscription-panel { padding: 20px 15px 15px; }.subscription-panel .panel-heading { display: block; }.price-note { margin-top: 15px; }.price-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }.price-card { padding: 13px 10px; }.price-foot span:last-child { margin-left: 0; text-align: left; }.info-strip { align-items: flex-start; }.data-note { display: none; }.footer { display: block; line-height: 1.8; }.footer span { display: block; } }

/* The subscription cards follow the currency selected above instead of showing a fixed USD table. */
.price-current { padding: 13px 0 11px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.price-current span { display: block; color: var(--muted); font: 9px "DM Mono", monospace; letter-spacing: .06em; }
.price-current strong { display: block; margin-top: 7px; color: var(--ink); font: 23px "DM Mono", monospace; letter-spacing: -.04em; }
.price-card.claude .price-current strong { color: #ffd0c6; }
.price-usd { margin-top: 10px; color: var(--muted); font: 10px "DM Mono", monospace; }
.price-usd small { color: var(--dim); font-size: 9px; }
.price-usage { margin-top: 9px; color: var(--dim); font-size: 10px; line-height: 1.4; }
.price-channel-switch { display: flex; width: max-content; gap: 5px; margin-top: 22px; padding: 4px; border: 1px solid var(--line); border-radius: 9px; }
.price-channel-switch button { border: 0; border-radius: 6px; padding: 8px 12px; background: transparent; color: var(--muted); cursor: pointer; font: 10px "DM Mono", monospace; }
.price-channel-switch button:hover, .price-channel-switch button.selected { color: var(--bg); background: var(--cyan); }
.price-channel-note { margin: 10px 0 0; color: var(--dim); font: 10px "DM Mono", monospace; line-height: 1.6; }
.price-usd { padding: 0; border: 0; color: var(--muted); font: 9px "DM Mono", monospace; line-height: 1.5; }
.price-usd small { color: var(--dim); font-size: 9px; }
.price-source { margin-left: 6px; color: var(--blue); text-decoration: none; }
.price-source:hover { text-decoration: underline; }
.price-cny { margin-top: 9px; padding: 8px 0 9px; border-bottom: 1px solid var(--line); }
.price-cny span { display: block; color: var(--cyan); font: 9px "DM Mono", monospace; letter-spacing: .06em; }
.price-cny strong { display: inline-block; margin-top: 4px; color: var(--ink); font: 16px "DM Mono", monospace; }
.price-card.claude .price-cny strong { color: #ffe2d9; }
.price-cny small { display: block; margin-top: 2px; color: var(--dim); font: 8px "DM Mono", monospace; line-height: 1.4; }
@media (max-width: 410px) { .quote-grid { grid-template-columns: 1fr 1fr; gap: 8px; }.quote-card { min-height: 150px; }.quote-spread { display: block; }.quote-spread span { display: block; margin-top: 4px; } h1 { font-size: 44px; } }