/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */
/* Hallmark · genre: modern-minimal · macrostructure: stat-led · theme: YangShuai Cloud · enrichment: none · nav: N5 · footer: Ft2 · contrast: pass (40–41) · honest: pass · responsive: pass */
* { box-sizing: border-box; }
html, body { min-width: 320px; overflow-x: clip; }
html { background: var(--ys-paper); }
body { margin: 0; min-height: 100dvh; color: var(--ys-ink); background: var(--ys-paper); font: 16px/1.55 var(--ys-font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a, button { outline: 2px solid transparent; outline-offset: 2px; }
a:focus-visible, button:focus-visible { outline-color: var(--ys-focus); }
.skip-link { position: fixed; z-index: 50; inset: 8px auto auto 8px; padding: 10px 14px; color: var(--ys-accent-ink); border-radius: 12px; background: var(--ys-accent); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.nav-pill { position: sticky; z-index: 20; top: max(12px, env(safe-area-inset-top)); display: flex; align-items: center; justify-content: space-between; gap: 24px; width: min(720px, calc(100% - 28px)); min-height: 64px; margin: max(12px, env(safe-area-inset-top)) auto 0; padding: 8px 9px 8px 12px; border: 1px solid var(--ys-rule); border-radius: 24px; background: var(--ys-glass); box-shadow: var(--ys-shadow-md); backdrop-filter: blur(22px) saturate(135%); }
.wordmark { display: flex; align-items: center; gap: 10px; min-width: 0; font-weight: 750; }
.wordmark > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wordmark small { display: block; color: var(--ys-ink-tertiary); font-size: .62rem; font-weight: 700; letter-spacing: .12em; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; flex: 0 0 40px; color: var(--ys-accent-ink); border-radius: 13px; background: var(--ys-accent); font-size: .72rem; letter-spacing: -.02em; }
.nav-pill nav { display: flex; gap: 6px; margin-inline-start: auto; }
.nav-pill nav a { min-height: 44px; padding: 0 12px; display: grid; place-items: center; color: var(--ys-ink-secondary); border-radius: 12px; font-size: .82rem; font-weight: 650; white-space: nowrap; }
.icon-button { display: grid; place-items: center; width: 44px; height: 44px; flex: 0 0 44px; padding: 0; color: var(--ys-ink-secondary); border: 1px solid var(--ys-rule); border-radius: 14px; background: var(--ys-surface-raised); cursor: pointer; }
.icon-button svg { width: 18px; fill: currentColor; }
.icon-button .moon, [data-theme="dark"] .icon-button .sun { display: none; }
[data-theme="dark"] .icon-button .moon { display: block; }
.shell { width: min(1080px, calc(100% - 32px)); margin: 0 auto; padding: clamp(56px, 9vw, 112px) 0 48px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .65fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
.hero-copy { min-width: 0; }
.eyebrow { margin: 0 0 12px; color: var(--ys-accent); font-size: .72rem; font-weight: 750; letter-spacing: .14em; }
h1 { max-width: 12ch; margin: 0; overflow-wrap: anywhere; font-size: clamp(2.75rem, 6vw, 5rem); line-height: 1.04; letter-spacing: -.055em; }
.lede { max-width: 60ch; margin: 24px 0 28px; color: var(--ys-ink-secondary); font-size: clamp(1rem, 1.5vw, 1.12rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 17px; border: 1px solid var(--ys-rule-strong); border-radius: 14px; font-size: .86rem; font-weight: 700; white-space: nowrap; }
.button svg { width: 18px; fill: currentColor; }
.button.primary { color: var(--ys-accent-ink); border-color: var(--ys-accent); background: var(--ys-accent); }
.button.secondary { background: var(--ys-surface); }
.stat-card { min-width: 0; padding: 24px; border: 1px solid var(--ys-rule); border-radius: 20px; background: var(--ys-surface); box-shadow: var(--ys-shadow-sm); }
.stat-top { display: flex; align-items: center; gap: 9px; color: var(--ys-ink-secondary); font-size: .82rem; font-weight: 700; }
.signal-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ys-ink-tertiary); }
.stat-card.online .signal-dot { background: var(--ys-success); box-shadow: 0 0 0 5px var(--ys-success-soft); }
.stat-card.offline .signal-dot { background: var(--ys-danger); box-shadow: 0 0 0 5px var(--ys-danger-soft); }
.stat-figure { margin: 42px 0 2px; font-size: clamp(4.5rem, 11vw, 7rem); font-weight: 760; line-height: .86; letter-spacing: -.07em; font-variant-numeric: tabular-nums; }
.stat-card h2 { margin: 14px 0 5px; font-size: 1.08rem; letter-spacing: -.025em; }
.stat-card > p:last-of-type { margin: 0; color: var(--ys-ink-secondary); font-size: .84rem; }
.stat-card dl { margin: 24px 0 0; }
.stat-card dl div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-top: 1px solid var(--ys-rule); }
dt { color: var(--ys-ink-tertiary); font-size: .75rem; }
dd { margin: 0; font-size: .75rem; font-weight: 700; }
.endpoint-section { margin-top: clamp(56px, 10vw, 104px); padding-top: 28px; border-top: 1px solid var(--ys-rule); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 20px; }
.section-heading .eyebrow { margin-bottom: 5px; }
.section-heading h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -.04em; }
.section-heading > p { margin: 0; color: var(--ys-ink-secondary); }
.endpoint-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.endpoint-card { padding: 22px; border: 1px solid var(--ys-rule); border-radius: 20px; background: var(--ys-surface); box-shadow: var(--ys-shadow-sm); }
.endpoint-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
code { font: 700 .9rem/1.4 var(--ys-font-mono); }
.badge { padding: 5px 8px; color: var(--ys-accent); border-radius: 999px; background: var(--ys-accent-soft); font-size: .68rem; font-weight: 750; white-space: nowrap; }
.badge.success { color: var(--ys-success); background: var(--ys-success-soft); }
.endpoint-card p { min-height: 3.2em; margin: 18px 0; color: var(--ys-ink-secondary); font-size: .88rem; }
.copy-button { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; padding: 0; color: var(--ys-accent); border: 0; background: transparent; cursor: pointer; font-size: .82rem; font-weight: 700; }
.copy-button svg { width: 17px; fill: currentColor; }
.button:active, .icon-button:active, .copy-button:active { transform: translateY(1px); }
.button[aria-disabled="true"], .icon-button:disabled, .copy-button:disabled { opacity: .55; cursor: not-allowed; }
.foot-line { display: flex; justify-content: space-between; gap: 20px; width: min(1080px, calc(100% - 32px)); margin: 0 auto; padding: 20px 0 max(28px, env(safe-area-inset-bottom)); color: var(--ys-ink-tertiary); border-top: 1px solid var(--ys-rule); font-size: .75rem; }
@media (hover: hover) and (pointer: fine) { .nav-pill nav a:hover, .icon-button:hover { color: var(--ys-ink); background: var(--ys-paper-subtle); } .button:hover { transform: translateY(-1px); } .button.primary:hover { background: var(--ys-accent-hover); } }
@media (max-width: 720px) { .nav-pill { gap: 8px; } .nav-pill nav a { padding-inline: 8px; } .hero { grid-template-columns: 1fr; } .stat-card { margin-top: 12px; } .section-heading { align-items: start; flex-direction: column; gap: 5px; } .endpoint-grid { grid-template-columns: 1fr; } .endpoint-card p { min-height: 0; } }
@media (max-width: 440px) { .nav-pill { width: calc(100% - 20px); } .wordmark > span:last-child { max-width: 135px; } .nav-pill nav { display: none; } .shell { width: min(100% - 24px, 1080px); padding-top: 44px; } .hero-actions { display: grid; } .button { width: 100%; } .foot-line { align-items: flex-start; flex-direction: column; gap: 4px; width: calc(100% - 24px); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: 1ms !important; scroll-behavior: auto !important; } }