/* ============================================
   极北光 NORAAURA · 投资项目集 · v2 视觉系统
   严格遵循官方 VIS：白底为主 / 蓝色块强调 / 金仅限蓝底
   ============================================ */

/* ── Fonts (复用主站自托管字体) ─────────────────────────────────── */
@font-face {
  font-family: 'Alibaba PuHuiTi 3.0';
  font-weight: 300; font-style: normal; font-display: swap;
  src: url('/fonts/AlibabaPuHuiTi-3-45-Light.woff2') format('woff2');
}
@font-face {
  font-family: 'Alibaba PuHuiTi 3.0';
  font-weight: 400; font-style: normal; font-display: swap;
  src: url('/fonts/AlibabaPuHuiTi-3-55-Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Alibaba PuHuiTi 3.0';
  font-weight: 500; font-style: normal; font-display: swap;
  src: url('/fonts/AlibabaPuHuiTi-3-65-Medium.woff2') format('woff2');
}
@font-face {
  font-family: 'Alibaba PuHuiTi 3.0';
  font-weight: 700; font-style: normal; font-display: swap;
  src: url('/fonts/AlibabaPuHuiTi-3-85-Bold.woff2') format('woff2');
}
@font-face {
  font-family: 'FreightBig Pro';
  font-weight: 300 500; font-style: normal; font-display: swap;
  src: url('/assets/fonts/FreightBig-Book.otf') format('opentype');
  unicode-range: U+0020-007E, U+00A0-00FF, U+2000-206F;
}
@font-face {
  font-family: 'FF Mark Pro';
  font-weight: 400 700; font-style: normal; font-display: swap;
  src: url('/assets/fonts/FFMarkPro.otf') format('opentype');
}
@font-face {
  font-family: 'Source Han Serif CN';
  font-weight: 700; font-style: normal; font-display: swap;
  src: url('/assets/fonts/SourceHanSerifCN-Bold.otf') format('opentype');
}
@font-face {
  font-family: 'Feeling Passionate';
  font-weight: 400; font-style: normal; font-display: swap;
  src: url('/assets/fonts/FeelingPassionate.otf') format('opentype');
  unicode-range: U+0020, U+0041-005A, U+0061-007A;
}

/* ── Design tokens (VIS official) ─────────────── */
:root {
  --black:   #0A0A0A;
  --white:   #FFFFFF;
  --blue:    #3054E5;
  --blue-2:  #2849C7;
  --grey:    #A8A8A8;
  --sliver:  #F4F4F5;
  --sliver-2:#EAEAEC;
  --sky:     #CADCFF;
  --gold:    #FFDE93;
  --green:   #16A34A;
  --red:     #E53030;

  --font-sans:    'Alibaba PuHuiTi 3.0', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --font-serif-cn:'Source Han Serif CN', 'Songti SC', 'STSong', serif;
  --font-serif-en:'FreightBig Pro', 'Cormorant Garamond', 'Times New Roman', serif;
  --font-num:     'FreightBig Pro', 'Cormorant Garamond', 'EB Garamond', 'Times New Roman', serif;
  --font-script:  'Feeling Passionate', 'Caveat', cursive;

  --ease: cubic-bezier(.22,.61,.36,1);
  --dur:  240ms;

  --maxw: 1240px;
}

/* ── Theme tokens (apply via data-theme on body or section) ── */
:root,
[data-theme="light"] {
  --bg:        var(--white);
  --bg-alt:    var(--sliver);
  --fg:        var(--black);
  --fg-2:      #4A4A4A;
  --fg-3:      #8A8A8A;
  --line:      rgba(0,0,0,0.08);
  --line-2:    rgba(0,0,0,0.16);
  --accent:    var(--blue);
  --card-bg:   var(--white);
}

[data-theme="sliver"] {
  --bg:        var(--sliver);
  --bg-alt:    var(--sliver-2);
  --fg:        var(--black);
  --fg-2:      #4A4A4A;
  --fg-3:      #8A8A8A;
  --line:      rgba(0,0,0,0.07);
  --line-2:    rgba(0,0,0,0.16);
  --accent:    var(--blue);
  --card-bg:   var(--white);
}

[data-theme="dark"] {
  --bg:        var(--black);
  --bg-alt:    #1A1A1A;
  --fg:        var(--white);
  --fg-2:      rgba(255,255,255,0.78);
  --fg-3:      rgba(255,255,255,0.52);
  --line:      rgba(255,255,255,0.12);
  --line-2:    rgba(255,255,255,0.24);
  --accent:    var(--white);
  --card-bg:   #1A1A1A;
}

[data-theme="blue"] {
  --bg:        var(--blue);
  --bg-alt:    var(--blue-2);
  --fg:        var(--white);
  --fg-2:      rgba(255,255,255,0.86);
  --fg-3:      rgba(255,255,255,0.62);
  --line:      rgba(255,255,255,0.20);
  --line-2:    rgba(255,255,255,0.38);
  --accent:    var(--gold);
  --card-bg:   rgba(255,255,255,0.06);
}

/* ── Base ─────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg);
  background: var(--bg);
  letter-spacing: 0.005em;
}
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }

/* ── Nav ─────────────────────────────────────── */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 32px; align-items: center;
  padding: 18px 48px;
  background: rgba(255,255,255,0);
  transition: background var(--dur) var(--ease), padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav.is-scrolled {
  background: rgba(255,255,255,0.96);
  padding: 14px 48px;
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
}
.nav__brand {
  position: relative; display: inline-flex; align-items: center;
  height: 28px; width: 144px;
}
.nav__logo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain; object-position: left center;
  transition: opacity var(--dur) var(--ease);
}
.nav__logo--white { opacity: 1; }
.nav__logo--color { opacity: 0; }
.nav.is-scrolled .nav__logo--white { opacity: 0; }
.nav.is-scrolled .nav__logo--color { opacity: 1; }

.nav__links {
  display: flex; gap: 30px; justify-content: center;
  font-size: 14px; font-weight: 500;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}
.nav.is-scrolled .nav__links { color: var(--black); }
.nav__links a { opacity: 0.85; transition: opacity var(--dur) var(--ease); position: relative; }
.nav__links a:hover { opacity: 1; }
.nav__links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -8px;
  height: 2px; background: var(--blue);
}

.nav__meta {
  font-size: 12px; letter-spacing: 0.05em;
  color: rgba(255,255,255,0.7);
  transition: color var(--dur) var(--ease);
}
.nav.is-scrolled .nav__meta { color: var(--fg-3); }

/* ── Section base ─────────────────────────────── */
.section {
  position: relative;
  background: var(--bg);
  color: var(--fg);
  padding: 120px 0;
}
.section.section--tight { padding: 80px 0; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 48px;
}

.section__head {
  max-width: 880px;
  margin-bottom: 56px;
}
.section__num {
  font-family: var(--font-num);
  font-size: 14px; font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 16px;
}
.section__num::after {
  content: ''; flex: 0 0 60px; height: 1px; background: currentColor; opacity: 0.5;
}
.section__title {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.section__title em {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.section__sub {
  font-size: 17px;
  line-height: 1.75;
  color: var(--fg-2);
  max-width: 760px;
}

/* ── Eyebrow ───────────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-num);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: ''; width: 24px; height: 1px; background: currentColor;
}

/* ── Hero · Project Index ───────────────────── */
.hero-home {
  position: relative;
  min-height: 660px;
  display: flex; align-items: center;
  padding: 160px 0 100px;
  overflow: hidden;
}
.hero-home::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(48,84,229,0.18), transparent 55%),
    radial-gradient(ellipse at 0% 100%, rgba(255,222,147,0.06), transparent 50%),
    var(--black);
  z-index: 0;
}
.hero-home > .container { position: relative; z-index: 1; }

.hero-home__eyebrow {
  font-family: var(--font-num); font-size: 14px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
}
.hero-home__title {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 76px;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 28px;
  max-width: 880px;
  letter-spacing: -0.015em;
}
.hero-home__title em {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-weight: 400;
  color: var(--gold);
}
.hero-home__lede {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,0.78);
  max-width: 680px;
  margin-bottom: 56px;
}

.hero-home__stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 0;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.18);
  max-width: 880px;
}
.hero-home__stat { padding-right: 64px; }
.hero-home__stat:not(:last-child) { border-right: 1px solid rgba(255,255,255,0.12); padding-right: 56px; margin-right: 56px; }
.hero-home__stat .n {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-home__stat .n .unit { font-size: 22px; color: rgba(255,255,255,0.65); margin-left: 4px; font-weight: 400; }
.hero-home__stat .l {
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.62);
  margin-top: 14px;
}

/* ── Hero · Project Detail (Blue) ───────────── */
.project-hero {
  position: relative;
  padding: 140px 0 90px;
  background:
    radial-gradient(ellipse at 100% 0%, rgba(255,255,255,0.10), transparent 55%),
    radial-gradient(ellipse at 0% 100%, rgba(255,222,147,0.08), transparent 50%),
    var(--blue);
  color: var(--white);
  overflow: hidden;
}
.project-hero::after {
  content: ''; position: absolute; right: -160px; top: 60px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.06), transparent 70%);
  pointer-events: none;
}

.breadcrumb {
  display: flex; gap: 10px; align-items: center;
  font-family: var(--font-num);
  font-size: 13px; font-weight: 500;
  color: rgba(255,255,255,0.55);
  margin-bottom: 48px;
  letter-spacing: 0.04em;
}
.breadcrumb a { color: rgba(255,255,255,0.75); transition: color var(--dur); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .now { color: var(--gold); }

.tag-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.tag {
  display: inline-flex; align-items: center; height: 26px; padding: 0 14px;
  font-family: var(--font-num); font-size: 12px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.32);
  color: rgba(255,255,255,0.92);
}
.tag--gold { background: var(--gold); color: var(--black); border-color: var(--gold); font-weight: 600; }
.tag--ghost { color: rgba(255,255,255,0.78); }

.project-hero__title {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 80px;
  line-height: 1.05;
  margin-bottom: 14px;
  letter-spacing: -0.015em;
}
.project-hero__title-en {
  font-family: var(--font-serif-en);
  font-style: italic; font-weight: 400;
  font-size: 30px;
  color: var(--gold);
  letter-spacing: 0.01em;
  margin-bottom: 36px;
  display: block;
}
.project-hero__lede {
  font-size: 19px; line-height: 1.8;
  color: rgba(255,255,255,0.88);
  max-width: 820px;
  margin-bottom: 64px;
}
.project-hero__lede strong { color: var(--gold); font-weight: 500; }

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.18);
  padding: 1px;
  border-radius: 4px;
}
.hero-metric {
  padding: 32px 28px;
  background: rgba(48,84,229,0.96);
}
.hero-metric .n {
  font-family: var(--font-num);
  font-size: 44px; font-weight: 500;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.015em;
}
.hero-metric .n .unit { font-size: 16px; color: rgba(255,255,255,0.78); margin-left: 4px; font-weight: 400; }
.hero-metric .l {
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.72);
  margin-top: 14px;
  text-transform: uppercase;
}

/* ── Project Matrix · Cards ────────────────── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.project-card {
  display: flex; flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 44px 40px 36px;
  position: relative;
  min-height: 380px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.project-card:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(48,84,229,0.10);
}
.project-card .status {
  position: absolute; top: 28px; right: 28px;
  font-family: var(--font-num);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}
.status--live { background: rgba(48,84,229,0.10); color: var(--blue); }
.status--secondary { background: rgba(255,222,147,0.18); color: #B58A2B; }
.status--closed { background: rgba(168,168,168,0.18); color: var(--fg-3); }

.project-card .industry {
  font-family: var(--font-num);
  font-size: 12px; font-weight: 500;
  color: var(--blue);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.project-card h3 {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.15;
  margin-bottom: 6px;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.project-card h3 .en {
  font-family: var(--font-serif-en);
  font-style: italic; font-weight: 400;
  font-size: 22px;
  color: var(--fg-3);
  margin-left: 8px;
}
.project-card .tagline {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-2);
  margin: 16px 0 24px;
  flex-grow: 1;
}

.project-card .metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.project-card .metric .n {
  font-family: var(--font-num);
  font-size: 22px; font-weight: 600;
  color: var(--blue);
  line-height: 1.1;
}
.project-card .metric .n .unit { font-size: 12px; color: var(--fg-2); margin-left: 3px; font-weight: 400; }
.project-card .metric .l {
  font-family: var(--font-num);
  font-size: 11px; color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}

.project-card .more {
  margin-top: 24px;
  font-family: var(--font-num);
  font-size: 13px; font-weight: 500;
  color: var(--fg-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--dur) var(--ease);
}
.project-card:hover .more { color: var(--blue); }

/* ── Matrix header ─────────────────────────── */
.matrix-header {
  display: flex; justify-content: space-between; align-items: end;
  margin-bottom: 56px; gap: 32px; flex-wrap: wrap;
}
.matrix-filter { display: flex; gap: 22px; font-size: 13px; font-weight: 500; }
.matrix-filter span { color: var(--fg-3); padding-bottom: 4px; }
.matrix-filter span.active { color: var(--blue); border-bottom: 2px solid var(--blue); }

/* ── Facts Table ───────────────────────────── */
.facts {
  display: grid;
  grid-template-columns: 200px 1fr 200px 1fr;
  border-top: 1px solid var(--line);
}
.facts > div {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.65;
}
.facts .k {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  background: var(--bg-alt);
}
.facts .v { color: var(--fg); }
.facts .v--accent { color: var(--blue); font-weight: 500; }

/* ── Highlights (numbered) ─────────────────── */
.highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.highlight {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 36px 34px 32px;
  position: relative;
}
.highlight__num {
  font-family: var(--font-serif-en);
  font-style: italic; font-weight: 400;
  font-size: 38px;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 14px;
}
.highlight h3 {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  margin-bottom: 14px;
  color: var(--fg);
}
.highlight p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fg-2);
  margin-bottom: 12px;
}
.highlight p:last-child { margin-bottom: 0; }
.highlight p strong { color: var(--blue); font-weight: 500; }

/* ── Team Cards ────────────────────────────── */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.team-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 32px 32px 28px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.team-card .avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 30px;
}
.team-card h4 {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 4px;
  color: var(--fg);
}
.team-card .role {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 500;
  color: var(--blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.team-card ul li {
  position: relative; padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fg-2);
  margin-bottom: 5px;
}
.team-card ul li::before {
  content: ''; position: absolute; left: 0; top: 11px;
  width: 6px; height: 1px; background: var(--blue);
}
.team-card ul li strong { color: var(--fg); font-weight: 600; }

/* ── Tech Grid ─────────────────────────────── */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tech-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
}
.tech-card .label {
  font-family: var(--font-num);
  font-size: 11px; font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.tech-card h4 {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--fg);
  letter-spacing: -0.005em;
}
.tech-card p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fg-2);
}
.tech-card p strong { color: var(--blue); font-weight: 500; }

/* ── KPI Row (large numbers) ───────────────── */
.kpi-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.kpi {
  padding: 40px 28px;
  border-right: 1px solid var(--line);
}
.kpi:last-child { border-right: none; }
.kpi .n {
  font-family: var(--font-num);
  font-size: 48px; font-weight: 500;
  color: var(--blue);
  line-height: 1;
  letter-spacing: -0.02em;
}
.kpi .n .unit { font-size: 18px; color: var(--fg-2); margin-left: 4px; }
.kpi .l {
  font-size: 13px; color: var(--fg-2);
  margin-top: 14px;
  line-height: 1.5;
}

/* ── Funding Rounds ────────────────────────── */
.rounds { border-top: 1px solid var(--line); }
.round {
  display: grid;
  grid-template-columns: 200px 1fr 220px;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.round__when {
  font-family: var(--font-num);
  font-size: 13px; color: var(--fg-3); font-weight: 500;
  letter-spacing: 0.06em;
}
.round__when .stage {
  display: block; margin-top: 6px;
  font-family: var(--font-serif-en);
  font-style: italic; font-weight: 400;
  font-size: 22px;
  color: var(--blue);
}
.round__inv {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--fg);
}
.round__inv strong { color: var(--blue); font-weight: 500; }
.round__inv .lead {
  font-family: var(--font-num);
  font-size: 11px; font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-right: 10px;
  padding: 3px 9px;
  background: rgba(48,84,229,0.10);
  border-radius: 3px;
  display: inline-block;
  vertical-align: middle;
}
.round__amt {
  text-align: right;
  font-family: var(--font-num);
  font-size: 28px; font-weight: 500;
  color: var(--blue);
  letter-spacing: -0.01em;
}
.round__amt .unit { font-size: 14px; color: var(--fg-2); margin-left: 3px; font-weight: 400; }
.round__amt .val {
  display: block; margin-top: 6px;
  font-family: var(--font-num);
  font-size: 12px; font-style: italic;
  color: var(--fg-3); font-weight: 400;
  letter-spacing: 0.02em;
}

/* ── POV Block (Blue Section) ──────────────── */
.pov {
  padding: 56px 64px;
  background: var(--bg-alt);
  border-left: 4px solid var(--gold);
  border-radius: 4px;
}
.pov__label {
  font-family: var(--font-num);
  font-size: 13px; font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.pov h3 {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.5;
  margin-bottom: 24px;
  color: var(--white);
  letter-spacing: -0.005em;
}
.pov p {
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(255,255,255,0.88);
  margin-bottom: 16px;
}
.pov p strong { color: var(--gold); font-weight: 500; }
.pov p a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }

.pov__rating {
  display: inline-flex; align-items: center; gap: 12px;
  margin-top: 30px;
  padding: 14px 26px;
  background: var(--gold);
  color: var(--black);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 3px;
}

/* ── Risk Grid ─────────────────────────────── */
.risks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.risk {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px 24px 22px;
}
.risk h4 {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 16px;
  color: var(--blue);
  margin-bottom: 12px;
}
.risk p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fg-2);
}
.risk p em { color: var(--green); font-style: normal; font-weight: 500; }

/* ── Doc List ──────────────────────────────── */
.docs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.doc {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 14px;
  color: var(--fg);
}
.doc .name { display: flex; gap: 14px; align-items: center; }
.doc .icon {
  font-family: var(--font-num);
  font-size: 10px; font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.06em;
  padding: 3px 8px;
  background: rgba(48,84,229,0.08);
  border-radius: 3px;
}
.doc .meta { color: var(--fg-3); font-family: var(--font-num); font-size: 12px; }

/* ── Cross-section divider ──────────────────── */
.subhead {
  margin-top: 64px;
  margin-bottom: 28px;
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 22px;
  color: var(--fg);
  line-height: 1.3;
}

/* ── Footer (minimal · 不含联系信息) ─────── */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 72px 0 40px;
}
.footer__brand {
  text-align: center;
  margin-bottom: 40px;
}
.footer__brand .logo {
  width: 240px; height: 44px;
  background-image: url('logo-white.svg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  margin: 0 auto 28px;
}
.footer__tagline {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 19px;
  color: var(--white);
  letter-spacing: 0.01em;
  margin-bottom: 10px;
}
.footer__tagline-en {
  font-family: var(--font-script);
  font-weight: 400;
  font-size: 26px;
  color: var(--gold);
  letter-spacing: 0.02em;
  line-height: 1;
}
.footer__bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.10);
  display: flex; justify-content: space-between; gap: 24px;
  font-family: var(--font-num);
  font-size: 12px; color: rgba(255,255,255,0.50);
  letter-spacing: 0.04em;
  font-style: italic;
}

/* ── Methodology cards (index) ─────────────── */
.method-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.method-card {
  padding: 36px 34px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.method-card .roman {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 28px;
  color: var(--blue);
  margin-bottom: 14px;
  line-height: 1;
}
.method-card h3 {
  font-family: var(--font-serif-cn);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--fg);
}
.method-card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fg-2);
}
.method-card p strong { color: var(--blue); font-weight: 500; }

/* ── Responsive ────────────────────────────── */
@media (max-width: 980px) {
  .nav, .container { padding-left: 24px; padding-right: 24px; }
  .nav__links { display: none; }
  .section { padding: 80px 0; }
  .hero-home { padding: 130px 0 80px; min-height: 0; }
  .hero-home__title { font-size: 44px; }
  .project-hero { padding: 120px 0 70px; }
  .project-hero__title { font-size: 48px; }
  .project-hero__title-en { font-size: 22px; }
  .section__title { font-size: 30px; }
  .hero-metrics, .kpi-row { grid-template-columns: 1fr 1fr; }
  .project-grid, .highlights, .team-grid, .risks, .docs, .method-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 130px 1fr; }
  .round { grid-template-columns: 1fr; gap: 12px; }
  .round__amt { text-align: left; }
  .footer__inner { grid-template-columns: 1fr; }
  .pov { padding: 40px 32px; }
  .hero-home__stats { grid-template-columns: 1fr; }
  .hero-home__stat { padding: 24px 0; border-right: none !important; border-bottom: 1px solid rgba(255,255,255,0.10); margin: 0 !important; }
  .hero-home__stat:last-child { border-bottom: none; }
}

/* ── Print ─────────────────────────────────── */
@media print {
  .nav { display: none; }
  .section { padding: 40px 0; break-inside: avoid; }
  .project-hero { background: var(--blue) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  body { font-size: 11px; }
}