:root {
  --bg: #05070e;
  --surface: #0b1220;
  --surface-2: #101a2c;
  --fg: #e8f2ff;
  --muted: #8aa0bd;
  --subtle: #5d7290;
  --line: #1a2a44;
  --accent: #1ea7ff;
  --accent-fg: #041018;
  --accent-dim: #0d2a4a;
  --danger: #e07a7a;
  --warn: #c4a574;
  --font-d: "Syne", ui-sans-serif, system-ui, sans-serif;
  --font: "Manrope", ui-sans-serif, system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font); line-height: 1.55; }
button:not(:disabled), [role="button"]:not(:disabled) { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }
.mesh { background-image: radial-gradient(circle at 1px 1px, color-mix(in oklab, var(--accent) 18%, transparent) 1px, transparent 0); background-size: 28px 28px; }
h1, h2, h3, .display { font-family: var(--font-d); font-weight: 600; letter-spacing: -0.03em; }
.kicker { font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }
.muted { color: var(--muted); }
.subtle { color: var(--subtle); font-size: 0.75rem; }
.tabular { font-variant-numeric: tabular-nums; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 1.25rem; padding: 1.25rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: 2.75rem; padding: 0 1rem; border-radius: 0.75rem; border: 0; font: inherit; font-weight: 600; }
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-line { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.btn-danger { background: color-mix(in oklab, var(--danger) 18%, transparent); color: var(--danger); }
.btn-sm { min-height: 2.25rem; font-size: 0.875rem; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.field { display: block; margin: 0 0 1rem; }
.field span { display: block; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.4rem; }
input, textarea, select { width: 100%; min-height: 2.75rem; border-radius: 0.75rem; border: 1px solid var(--line); background: var(--bg); color: var(--fg); padding: 0 0.75rem; font: inherit; }
textarea { min-height: 5.5rem; padding: 0.6rem 0.75rem; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 0.15rem 0.6rem; font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; background: var(--surface-2); color: var(--muted); }
.badge-accent { background: var(--accent-dim); color: var(--accent); }
.badge-warn { background: color-mix(in oklab, var(--warn) 18%, transparent); color: var(--warn); }
.badge-danger { background: color-mix(in oklab, var(--danger) 18%, transparent); color: var(--danger); }
.row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.grid { display: grid; gap: 0.75rem; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.nav { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.5rem; padding: 0.4rem 1.25rem; border-bottom: 1px solid var(--line); background: color-mix(in oklab, var(--bg) 82%, transparent); backdrop-filter: blur(12px); }
.logo { display: flex; align-items: center; gap: 0.6rem; }
.logo img { height: 42px; width: auto; display: block; }
.links { display: none; gap: 1.25rem; color: var(--muted); font-size: 0.9rem; }
.hero { display: grid; gap: 2rem; padding: 3.5rem 0; }
.desk { display: grid; min-height: 100dvh; }
.side { display: none; border-right: 1px solid var(--line); background: var(--bg); }
.side a { display: flex; align-items: center; min-height: 2.75rem; padding: 0 1rem; margin: 0.15rem 0.6rem; border-radius: 0.6rem; color: var(--muted); }
.side a.active, .side a:hover { background: var(--accent-dim); color: var(--accent); }
.top { display: flex; align-items: center; gap: 0.75rem; min-height: 4rem; padding: 0 1rem; border-bottom: 1px solid var(--line); }
.menu-btn { display: inline-flex; align-items: center; justify-content: center; width: 2.6rem; min-height: 2.6rem; border-radius: 0.75rem; border: 1px solid var(--line); background: var(--surface); color: var(--fg); font-size: 1.2rem; }
.nav-scrim { position: fixed; inset: 0; background: rgba(5,7,14,0.62); z-index: 55; }
.nav-scrim[hidden] { display: none; }
.main { padding: 1.25rem; }
.toast { position: fixed; right: 1rem; bottom: 1rem; background: var(--surface); border: 1px solid var(--line); padding: 0.75rem 1rem; border-radius: 0.75rem; z-index: 50; }
.err { color: var(--danger); }
.bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; width: 0; background: var(--accent); animation: ryzen-fill 5s linear forwards; }
@keyframes ryzen-fill { to { width: 100%; } }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.7rem 0.5rem; border-bottom: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); padding: 0.9rem 0; }
summary { cursor: pointer; font-weight: 600; }
footer { border-top: 1px solid var(--line); padding: 2rem 0; font-size: 0.75rem; color: var(--subtle); }
@media (max-width: 799px) {
  .landing-nav { display: flex; flex-wrap: nowrap; align-items: center; gap: 0.5rem; padding: 0.35rem 0.75rem; }
  .landing-nav .logo img { height: 32px; }
  .land-actions { display: none; }
  .links { display: none; position: absolute; top: 3.6rem; left: 0.6rem; right: 0.6rem; flex-direction: column; gap: 0; padding: 0.55rem; background: var(--surface); border: 1px solid var(--line); border-radius: 1rem; z-index: 30; }
  .links.open { display: flex; }
  .links a { padding: 0.7rem 0.8rem; border-radius: 0.6rem; }
  .land-menu-auth { display: block; }
  .side { display: flex; flex-direction: column; position: fixed; z-index: 60; inset: 0 auto 0 0; width: min(82vw, 280px); transform: translateX(-105%); transition: transform 0.2s ease; box-shadow: 12px 0 40px rgba(0,0,0,0.35); }
  .side.open { transform: none; }
}
@media (min-width: 800px) {
  .links { display: flex; }
  .land-menu-auth { display: none; }
  .menu-btn { display: none; }
  .hero { grid-template-columns: 1.15fr 0.85fr; padding: 5rem 0; }
  .desk { grid-template-columns: 240px 1fr; }
  .side { display: flex; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

.tree-wrap { overflow-x: auto; }
.tree-node { margin-top: 0.6rem; }
.tree-kids { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin-top: 0.5rem; padding-left: 0.4rem; border-left: 1px solid var(--line); }
.tree-leg { min-width: 0; }

.landing { background: #05070e; }
.landing-nav { justify-content: space-between; position: relative; }
.landing .wrap > .land-sec { text-align: center; padding: 4rem 0; border-top: 1px solid var(--line); }
.splash { position: relative; min-height: 88vh; display: flex; align-items: center; justify-content: center; background-size: cover; background-position: center; }
.splash-veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,7,14,0.35) 0%, rgba(5,7,14,0.72) 70%, #05070e 100%); }
.splash-copy { position: relative; z-index: 1; text-align: center; padding: 6rem 1rem 4rem; }
.splash-lead { max-width: 36rem; margin: 1rem auto 0; }
.glow-title { font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.05; margin: 0.4rem 0 0.8rem; }
.glow-title span { color: var(--accent); }
.land-hero { padding: 2rem 0 1rem; display: flex; justify-content: center; }
.calc-card { width: min(28rem, 100%); text-align: center; border-color: color-mix(in oklab, var(--accent) 35%, var(--line)); box-shadow: 0 0 40px color-mix(in oklab, var(--accent) 18%, transparent); }
#calc-amount { font-size: 2.1rem; margin: 0.35rem 0; color: var(--accent); }
.mini { background: var(--bg); border: 1px solid var(--line); border-radius: 0.9rem; padding: 0.7rem; }
.land-split { display: grid; gap: 1.5rem; text-align: left; }
@media (min-width: 860px) { .land-split { grid-template-columns: 1fr 1fr; align-items: center; } }
.land-lead { max-width: 38rem; margin: 0 auto; }
.stack { display: grid; gap: 0.7rem; }
.line-item { text-align: left; padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.1rem; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.8rem; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.center-card { text-align: center; }
.pack-card { text-align: center; border-color: color-mix(in oklab, var(--accent) 28%, var(--line)); }
.pack-rate { font-family: var(--font-d); font-size: 2.2rem; color: var(--accent); margin: 0.4rem 0 0; }
.min-pill { display: inline-block; margin-top: 1.25rem; border: 1px solid var(--line); border-radius: 999px; padding: 0.5rem 1rem; }
.how-list { text-align: left; margin: 0; padding-left: 1.2rem; color: var(--muted); }
.how-list li { margin: 0.55rem 0; }
.rank-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.7rem; margin-top: 1.2rem; }
.rank-card { text-align: left; }
.rank-meta { display: flex; justify-content: space-between; gap: 0.4rem; font-size: 0.78rem; color: var(--muted); margin-top: 0.35rem; }
.rank-meta .accent { color: var(--accent); }
.faq-col { max-width: 40rem; margin: 1rem auto 0; text-align: left; }
.support-art { width: 100%; border-radius: 1.25rem; border: 1px solid var(--line); display: block; }
.thanks { text-align: center; padding: 4.5rem 1.25rem 3rem; border-top: 1px solid var(--line); background: radial-gradient(ellipse at center, color-mix(in oklab, var(--accent) 16%, transparent), transparent 60%); }
.landing footer { text-align: center; }
.rank-ico { display: inline-flex; align-items: center; color: var(--accent); vertical-align: middle; }
.rank-head { display: flex; align-items: center; gap: 0.4rem; }
.tron-ok { color: #3dff8a; text-shadow: 0 0 8px rgba(61,255,138,0.75), 0 0 18px rgba(61,255,138,0.35); }
.modal-back { position: fixed; inset: 0; z-index: 80; background: rgba(5,7,14,0.72); display: flex; align-items: center; justify-content: center; padding: 1.25rem; }
.modal-back[hidden] { display: none; }
.modal-card { width: min(28rem, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 1.25rem; padding: 1.4rem; }
.ok-tick { width: 5.2rem; height: 5.2rem; margin: 0.4rem auto 0.8rem; border-radius: 999px; display: flex; align-items: center; justify-content: center; font-size: 2.8rem; color: #041018; background: #3dff8a; box-shadow: 0 0 0 8px rgba(61,255,138,0.18), 0 0 28px rgba(61,255,138,0.55); }
.bin-status-ok { border-color: color-mix(in oklab, #3dff8a 40%, var(--line)); }
.bin-status-warn { border-color: color-mix(in oklab, var(--warn) 40%, var(--line)); }
.avail-glow { color: #3dff8a; font-weight: 800; font-size: 1.15rem; text-shadow: 0 0 8px rgba(61,255,138,0.8), 0 0 18px rgba(61,255,138,0.4); }
.led-hot { color: #ff5b5b; font-weight: 800; text-shadow: 0 0 8px rgba(255,91,91,0.75), 0 0 16px rgba(255,91,91,0.35); }
.led-ok { color: #3dff8a; font-weight: 800; text-shadow: 0 0 8px rgba(61,255,138,0.8), 0 0 18px rgba(61,255,138,0.4); }
.qual-card { border-left: 3px solid var(--warn); }
.qual-ok { border-left-color: #3dff8a; }
.qual-warn { border-left-color: var(--warn); }
.pill { display: inline-flex; align-items: center; gap: 0.35rem; min-height: 1.7rem; padding: 0 0.7rem; border-radius: 999px; border: 1px solid var(--line); font-size: 0.78rem; }
.pill-weak { border-color: color-mix(in oklab, var(--warn) 55%, var(--line)); color: var(--warn); }
.pill-strong { border-color: color-mix(in oklab, var(--accent) 55%, var(--line)); color: var(--accent); }
.leg-bar { display: flex; height: 1.15rem; border-radius: 999px; overflow: hidden; margin: 0.85rem 0 0.35rem; background: var(--line); }
.leg-bar i { display: block; height: 100%; }
.leg-l { background: #e0a21a; }
.leg-r { background: #3db4ff; }
.badge-pending { background: rgba(255,140,40,0.16); color: #ff9a3c; font-weight: 800; text-shadow: 0 0 8px rgba(255,154,60,0.75), 0 0 16px rgba(255,154,60,0.35); }
.led-hold { color: #ff9a3c; font-weight: 800; text-shadow: 0 0 8px rgba(255,154,60,0.8), 0 0 18px rgba(255,154,60,0.4); }
.notice-board { border-color: rgba(255,180,70,0.45); box-shadow: 0 0 0 1px rgba(255,180,70,0.18), 0 0 24px rgba(255,154,60,0.22); }
.notice-item { border-bottom: 1px solid rgba(255,180,70,0.18); padding: 0.7rem 0; }
.notice-item:last-child { border-bottom: 0; }
.notice-title { color: #ffb347; font-weight: 800; text-shadow: 0 0 8px rgba(255,179,71,0.75), 0 0 18px rgba(255,154,60,0.4); }
.notice-date { color: #ffb347; font-size: 0.8rem; margin-top: 0.15rem; text-shadow: 0 0 6px rgba(255,179,71,0.45); }
.notice-body { color: #ffe0b0; margin: 0.35rem 0 0; text-shadow: 0 0 8px rgba(255,179,71,0.25); }