:root {
  --bg: #f7f7f8; --bg-2: #eeeef0; --paper: #ffffff;
  --ink: #0b0b0d; --ink-soft: #45454b; --ink-mute: #85858e;
  --line: #d7d7dc; --accent: #3A34FF; --accent-soft: rgba(58,52,255,.12);
  --nav-bg: rgba(247,247,248,.92); --shadow: 0 16px 44px rgba(11,11,13,.09);
}
[data-theme="dark"] {
  --bg: #f7f7f8; --bg-2: #eeeef0; --paper: #ffffff;
  --ink: #0b0b0d; --ink-soft: #45454b; --ink-mute: #85858e;
  --line: #d7d7dc; --accent: #3A34FF; --accent-soft: rgba(58,52,255,.12);
  --nav-bg: rgba(247,247,248,.92); --shadow: 0 16px 44px rgba(11,11,13,.09);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); font-family: 'PingFang SC', 'Noto Sans SC', sans-serif; background-image: radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--ink) 6%, transparent) 1px, transparent 0); background-size: 24px 24px; }
body, body * { font-family: 'PingFang SC', 'Noto Sans SC', sans-serif !important; }
em, .em { font-style: normal !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.v2-wrap { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }
.v2-topbar { position: sticky; top: 0; z-index: 100; border-bottom: 1px dashed var(--line); background: var(--nav-bg); backdrop-filter: blur(12px); }
.v2-topbar-inner { position: relative; min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.v2-brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; }
.v2-brand-mark { width: 30px; height: 30px; display: block; flex: 0 0 auto; border-radius: 50%; box-shadow: 0 0 0 1px color-mix(in srgb, var(--ink) 10%, transparent); }
.v2-brand-copy { display: inline-flex; align-items: baseline; gap: 7px; font-family: "JetBrains Mono", monospace; }
.v2-brand-copy strong { font-size: 14px; font-weight: 600; }
.v2-brand-copy small { color: var(--ink-mute); font-size: 10px; font-weight: 500; }
.v2-brand-copy small::before { content: '·'; margin-right: 7px; }
.v2-nav { display: flex; align-items: center; gap: 4px; }
.v2-nav a { padding: 6px 13px; border-radius: 100px; color: var(--ink-soft); font: 13px/1.5 "JetBrains Mono", monospace; }
.v2-nav a:hover { background: var(--bg-2); color: var(--ink); }
.v2-nav a.active { background: var(--accent); color: #fff; }
.v2-actions { display: flex; align-items: center; gap: 8px; }
.v2-menu { display: none; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; background: var(--paper); color: var(--ink); cursor: pointer; }
.v2-theme { display: none; }
.v2-consult { padding: 8px 14px; border-radius: 100px; background: var(--accent); color: #fff; font-size: 13px; font-weight: 600; }
.v2-hero { padding: 92px 0 64px; }
.v2-kicker { color: var(--accent); font: 600 11px "JetBrains Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.v2-hero-grid { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(280px,.75fr); align-items: end; gap: 68px; margin-top: 16px; }
.v2-title { margin: 0; font: 900 clamp(46px,7vw,82px)/1.02 "PingFang SC", "Noto Sans SC", sans-serif; letter-spacing: -.04em; }
.v2-title em { color: var(--accent); font-family: Fraunces, serif; font-weight: 500; }
.v2-lede { max-width: 700px; margin: 25px 0 0; color: var(--ink-soft); font-size: 18px; line-height: 1.7; }
.v2-hero-aside { padding-left: 24px; border-left: 1px dashed var(--line); }
.v2-aside-row { display: flex; justify-content: space-between; gap: 20px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 13px; }
.v2-aside-row span:first-child { color: var(--ink-mute); font: 11px "JetBrains Mono", monospace; text-transform: uppercase; }
.v2-section { padding: 54px 0; }
.v2-section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; padding-bottom: 18px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.v2-section-head h2 { margin: 0; font: 900 clamp(28px,4vw,42px) "PingFang SC", "Noto Sans SC", sans-serif; }
.v2-section-head p { margin: 0; max-width: 520px; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.v2-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.v2-card { min-height: 260px; display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); transition: transform .2s, box-shadow .2s, border-color .2s; }
.v2-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--ink-mute); }
.v2-card.featured { grid-column: span 2; min-height: 300px; display: grid; grid-template-columns: 1fr minmax(260px,.65fr); gap: 42px; align-items: end; }
.v2-card-no { color: var(--accent); font: 11px "JetBrains Mono", monospace; letter-spacing: .1em; }
.v2-card h3 { margin: 14px 0 8px; font: 800 25px "PingFang SC", "Noto Sans SC", sans-serif; }
.v2-card p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.v2-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 18px; }
.v2-tag { padding: 4px 9px; border: 1px solid var(--line); border-radius: 100px; color: var(--ink-mute); font: 10px "JetBrains Mono", monospace; }
.v2-card-foot { margin-top: auto; padding-top: 26px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font: 12px "JetBrains Mono", monospace; }
.v2-card-foot strong { color: var(--accent); }
.v2-card-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font: 600 12px "JetBrains Mono", monospace; }
.v2-card-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.v2-card-stat { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.v2-stat { padding: 15px; border: 1px dashed var(--line); border-radius: 12px; }
.v2-stat b { display: block; font: 700 30px Fraunces, serif; }
.v2-stat span { color: var(--ink-mute); font-size: 11px; }
.v2-path { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.v2-step { position: relative; padding: 20px; border-top: 2px solid var(--accent); background: var(--paper); border-radius: 0 0 12px 12px; }
.v2-step b { display: block; margin-bottom: 8px; font-family: "PingFang SC", "Noto Sans SC", sans-serif; }
.v2-step span { color: var(--ink-soft); font-size: 12.5px; line-height: 1.6; }
.v2-resource-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.v2-resource { min-height: 150px; display: flex; flex-direction: column; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: color-mix(in srgb, var(--paper) 88%, transparent); }
.v2-resource:hover { border-color: var(--accent); }
.v2-resource small { color: var(--accent); font: 10px "JetBrains Mono", monospace; letter-spacing: .08em; }
.v2-resource b { margin: 12px 0 7px; font: 700 17px "PingFang SC", "Noto Sans SC", sans-serif; }
.v2-resource span { color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.v2-resource i { margin-top: auto; padding-top: 18px; color: var(--ink-mute); font: normal 11px "JetBrains Mono", monospace; }
.v2-local-note { margin-top: 20px; padding: 13px 15px; border: 1px dashed var(--line); border-radius: 10px; background: var(--accent-soft); color: var(--ink-soft); font-size: 12.5px; line-height: 1.7; }
.v2-local-note strong { color: var(--accent); }
.v2-footer { margin-top: 60px; padding: 32px 0; border-top: 1px solid var(--line); background: var(--paper); color: var(--ink-mute); font: 11px "JetBrains Mono", monospace; }
.v2-footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
@media (max-width: 900px) {
  .v2-menu { display: inline-grid; place-items: center; }
  .v2-nav { display: none; position: absolute; top: calc(100% + 1px); right: 0; width: min(280px,calc(100vw - 32px)); padding: 10px; border: 1px solid var(--line); border-radius: 0 0 14px 14px; background: var(--paper); box-shadow: var(--shadow); }
  .v2-nav.open { display: grid; }
  .v2-nav a { border-radius: 8px; }
  .v2-hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .v2-hero-aside { padding: 18px 0 0; border-left: 0; border-top: 1px dashed var(--line); }
  .v2-card.featured { grid-template-columns: 1fr; gap: 24px; }
  .v2-path { grid-template-columns: repeat(2,1fr); }
  .v2-resource-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 620px) {
  .v2-wrap { width: min(100% - 32px,1180px); }
  .v2-topbar-inner { min-height: 64px; }
  .v2-brand-copy strong { font-size: 11px; }
  .v2-brand-copy small { display: none; }
  .v2-consult { padding: 8px 11px; }
  .v2-hero { padding: 62px 0 38px; }
  .v2-title { font-size: 44px; }
  .v2-lede { font-size: 16px; }
  .v2-grid { grid-template-columns: 1fr; }
  .v2-card, .v2-card.featured { grid-column: span 1; min-height: 240px; padding: 22px; }
  .v2-section { padding: 38px 0; }
  .v2-section-head { align-items: flex-start; flex-direction: column; gap: 10px; }
  .v2-path { grid-template-columns: 1fr; }
  .v2-resource-grid { grid-template-columns: 1fr; }
  .v2-card-stat { grid-template-columns: 1fr 1fr; }
}