/* ===================================
   CIE.com 中文站 · 共享样式
   字体策略：完全使用系统字体，零外部请求。中国大陆访问稳定 0ms。
     - 中文衬线：Apple 走 Songti SC，Windows 走 SimSun，Android 走系统 Source Han / Noto
     - 中文无衬线后备：PingFang SC / Microsoft YaHei
     - 等宽：Consolas / Menlo / SF Mono
   配色：#0A0A0A · #FAFAF7 · #C8841F · #888
   =================================== */

:root {
  /* 系统字体栈 —— 零外部请求。Apple 走 Songti，Windows 走 SimSun，Android 走系统 */
  --font-serif: 'Songti SC', STSong, 'Source Han Serif SC', 'Source Han Serif CN', 'Noto Serif CJK SC', SimSun, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', serif;
  --font-sans:  'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', 'Source Han Sans CN', 'Noto Sans CJK SC', sans-serif;
  --font-mono:  Consolas, Menlo, 'SF Mono', 'JetBrains Mono', 'Courier New', monospace;
  --font-display: 'GT Sectra Display', GTSectraDisplay, 'Songti SC', 'STSong', 'Times New Roman', serif;
}

@font-face {
  font-family: 'GT Sectra Display';
  src: local('GT Sectra Display Bold'), local('GTSectraDisplay-Bold');
  font-weight: 700;
  font-display: swap;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: #0A0A0A; color: #FAFAF7; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-serif);
  line-height: 1.85;
  font-weight: 400;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }

/* === FONT HELPERS === */
.ft-sectra { font-family: var(--font-display); font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1; font-weight: 700; }
.ft-mono { font-family: var(--font-mono); font-weight: 500; letter-spacing: 0.02em; }
.ft-cn-506 { font-family: var(--font-serif); font-weight: 600; }
.ft-cn-508 { font-family: var(--font-serif); font-weight: 800; }
.ft-cn-504 { font-family: var(--font-serif); font-weight: 400; }

/* === SVG LOGO === */
.cie-svg-logo { display: inline-block; vertical-align: middle; }
.cie-svg-logo svg { display: block; width: 100%; height: auto; }
.cie-svg-logo path { fill: currentColor; transition: fill 0.2s; }

/* === NAV === */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 56px;
  background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 100%);
  transition: background 0.3s;
}
.nav.solid { background: #0A0A0A; border-bottom: 1px solid #1a1a1a; }
.nav-logo {
  width: 70px; height: 32px;
  color: #FAFAF7;
  display: flex; align-items: center;
}
.nav-logo svg { width: 100%; height: auto; }
.nav-logo path { fill: currentColor; }
.nav-links { display: flex; gap: 36px; }
.nav-links a {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: #C8841F; }
.nav-cta {
  border: 1px solid rgba(255,255,255,0.6);
  padding: 10px 18px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.14em;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-cta:hover { background: #FAFAF7; color: #0A0A0A; }

/* === HERO === */
.hero-full {
  height: 100vh; min-height: 720px;
  position: relative; overflow: hidden;
  background-size: cover; background-position: center;
}
.hero-full video.bg-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
.hero-full::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.2) 35%, rgba(0,0,0,0.65) 100%),
    radial-gradient(ellipse at 30% 70%, rgba(0,0,0,0) 30%, rgba(0,0,0,0.45) 100%);
  z-index: 1;
}
.hero-content {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  text-align: center;
  max-width: 920px;
  width: 100%;
  padding: 0 32px;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase;
  color: rgba(255,255,255,0.78);
  margin-bottom: 28px;
}
.hero-eyebrow.cn {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.32em;
  font-size: 13px;
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 132px;
  line-height: 1.05;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}
.hero-sub {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 19px;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.88);
  max-width: 580px;
  margin: 0 auto 40px;
}
.hero-cta {
  display: inline-flex; align-items: center; gap: 18px;
  padding: 16px 28px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.4);
  font-family: var(--font-serif);
  font-size: 14px; letter-spacing: 0.18em; font-weight: 500;
  transition: all 0.2s;
}
.hero-cta:hover { background: rgba(255,255,255,0.18); }
.hero-meta {
  position: absolute; bottom: 36px;
  left: 56px; right: 56px;
  z-index: 5;
  display: flex; justify-content: space-between;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.22em;
}
.hero-meta .cn { font-family: var(--font-serif); letter-spacing: 0.16em; font-size: 12px; }

/* === PAGE HERO === */
.page-hero {
  height: 60vh; min-height: 480px;
  background-size: cover; background-position: center;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 0 56px;
  position: relative;
}
.page-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase;
  color: #C8841F; margin-bottom: 26px;
}
.page-hero-eyebrow.cn { font-family: var(--font-serif); letter-spacing: 0.22em; font-size: 13px; }
.page-hero-title {
  font-family: var(--font-serif);
  font-weight: 700; font-size: 88px;
  line-height: 1.05; letter-spacing: 0.04em;
}
.page-hero-sub {
  margin-top: 24px;
  font-family: var(--font-serif);
  font-size: 18px; line-height: 1.85;
  color: rgba(255,255,255,0.85);
  max-width: 720px; margin-left: auto; margin-right: auto;
}

/* === SECTION === */
.section { padding: 120px 56px; position: relative; }
.section.bg-cream { background: #F4F1EA; color: #0A0A0A; }
.section.bg-black { background: #0A0A0A; color: #FAFAF7; }
.section.bg-dark { background: #1f1c17; color: #FAFAF7; }
.container { max-width: 1320px; margin: 0 auto; }
.container-narrow { max-width: 880px; margin: 0 auto; }

.section-eyebrow {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: #C8841F;
  margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin-bottom: 36px;
}
.section-lead {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.95;
  max-width: 720px;
  color: rgba(255,255,255,0.85);
}
.bg-cream .section-lead { color: #444; }

.body-text {
  font-size: 16px;
  line-height: 2;
  margin-bottom: 22px;
  max-width: 720px;
}
.body-text strong { font-weight: 600; }
.bg-cream .body-text { color: #2a2a2a; }
.bg-cream .body-text strong { color: #0A0A0A; }

/* === BUTTONS === */
.btn-primary {
  display: inline-block;
  background: #FAFAF7; color: #0A0A0A;
  padding: 18px 36px;
  font-family: var(--font-serif);
  font-size: 14px; letter-spacing: 0.18em; font-weight: 500;
  transition: all 0.2s;
  border: none; cursor: pointer;
}
.btn-primary:hover { background: #C8841F; }
.btn-outline {
  display: inline-block;
  background: transparent; color: #FAFAF7;
  border: 1px solid #FAFAF7;
  padding: 16px 32px;
  font-family: var(--font-serif);
  font-size: 13px; letter-spacing: 0.16em; font-weight: 500;
  transition: all 0.2s;
}
.btn-outline:hover { background: #FAFAF7; color: #0A0A0A; }
.btn-amber {
  display: inline-block;
  background: #C8841F; color: #0A0A0A;
  padding: 18px 36px;
  font-family: var(--font-serif);
  font-size: 14px; letter-spacing: 0.18em; font-weight: 600;
  transition: all 0.2s;
  border: none; cursor: pointer;
}
.btn-amber:hover { background: #FAFAF7; }

/* === STATS BAR === */
.stats-bar {
  background: #0A0A0A;
  padding: 64px 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border-bottom: 1px solid #1f1f1f;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-serif);
  font-weight: 700; font-size: 56px;
  line-height: 1; color: #C8841F;
  margin-bottom: 12px;
}
.stat-label {
  font-family: var(--font-serif);
  font-size: 13px; letter-spacing: 0.18em;
  color: #888;
}

/* === JOURNEY CARDS === */
.journey-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.journey-grid.col-3 { grid-template-columns: repeat(3, 1fr); }
.journey-grid.col-2 { grid-template-columns: repeat(2, 1fr); }
.journey-card {
  background: #FAFAF7;
  color: #0A0A0A;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s;
  display: block;
}
.journey-card:hover { transform: translateY(-4px); }
.journey-card .img {
  aspect-ratio: 1;
  background-size: cover; background-position: center;
  position: relative;
}
.journey-card .img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 65%, rgba(0,0,0,0.4) 100%);
}
.journey-card .tier {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(10,10,10,0.85); color: #C8841F;
  padding: 5px 10px;
  font-family: var(--font-serif);
  font-size: 11px; letter-spacing: 0.12em; font-weight: 600;
}
.journey-card .stars {
  position: absolute; bottom: 14px; right: 14px; z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px; color: #FAFAF7;
  text-shadow: 0 1px 4px rgba(0,0,0,0.7);
}
.journey-card .body { padding: 24px 24px 28px; }
.journey-card .num {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.22em;
  color: #888; margin-bottom: 10px;
}
.journey-card .name {
  font-family: var(--font-serif);
  font-weight: 700; font-size: 22px;
  line-height: 1.3; letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.journey-card .meta {
  font-family: var(--font-serif);
  font-size: 12px; letter-spacing: 0.06em;
  color: #888;
  padding-top: 14px;
  border-top: 1px solid #E8E5DD;
  display: flex; gap: 12px; flex-wrap: wrap;
}

/* === FOOTER === */
.footer {
  background: #050505;
  padding: 80px 56px 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid #222;
}
.footer h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 13px; letter-spacing: 0.22em;
  color: #888; margin-bottom: 22px;
}
.footer ul { list-style: none; }
.footer ul li {
  padding: 8px 0; font-size: 14px;
  color: #aaa;
  font-family: var(--font-serif);
}
.footer ul li a:hover { color: #C8841F; }
.footer .brand .footer-logo {
  width: 90px; height: 40px;
  color: #FAFAF7;
  margin-bottom: 22px;
}
.footer .brand .footer-logo svg path { fill: currentColor; }
.footer .brand p {
  font-family: var(--font-serif);
  color: #999;
  font-size: 14px; line-height: 1.85;
  max-width: 380px;
}
.footer-bottom {
  padding-top: 32px;
  display: flex; justify-content: space-between;
  font-family: var(--font-serif);
  font-size: 12px; letter-spacing: 0.12em;
  color: #555;
}

/* === APPLY CTA === */
.apply-cta {
  padding: 140px 56px;
  background-size: cover; background-position: center;
  text-align: center; color: #FAFAF7;
}
.apply-cta .eyebrow {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 13px; letter-spacing: 0.28em;
  color: #C8841F; margin-bottom: 26px;
}
.apply-cta h2 {
  font-family: var(--font-serif);
  font-weight: 700; font-size: 64px;
  line-height: 1.05; letter-spacing: 0.04em;
  margin-bottom: 30px;
}
.apply-cta p {
  font-family: var(--font-serif);
  font-size: 18px; line-height: 1.95;
  color: rgba(255,255,255,0.85);
  max-width: 620px; margin: 0 auto 42px;
}

/* === RESPONSIVE === */
@media (max-width: 1200px) {
  .journey-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
  .hero-title { font-size: 80px; }
  .page-hero-title { font-size: 56px; }
  .section-title { font-size: 32px; }
  .apply-cta h2 { font-size: 44px; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 28px; }
  .stat-num { font-size: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .section { padding: 80px 24px; }
  .page-hero { padding: 0 24px; }
}
@media (max-width: 640px) {
  .journey-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 56px; }
  .page-hero-title { font-size: 40px; }
}