:root {
  --navy: #141f46;
  --navy-2: #0b1228;
  --red: #cf1f3a;
  --gold: #f2b733;
  --green: #1f8f4d;
  --ink: #111827;
  --muted: #667085;
  --line: #e5e7eb;
  --paper: #fffaf0;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  background: #f7f8fb;
}

img,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  align-items: center;
  backdrop-filter: blur(16px);
  background: rgba(9, 16, 38, 0.72);
  color: var(--white);
  display: flex;
  gap: 28px;
  justify-content: space-between;
  left: 0;
  padding: 14px clamp(18px, 5vw, 64px);
  position: fixed;
  right: 0;
  top: 0;
  transition: background 180ms ease, border 180ms ease;
  z-index: 20;
}

.site-header.is-solid {
  background: rgba(9, 16, 38, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  min-width: 210px;
}

.brand img {
  background: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.65);
  border-radius: 8px;
  height: 46px;
  object-fit: cover;
  width: 46px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
}

.brand small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: clamp(16px, 3vw, 36px);
  font-size: 14px;
}

.nav a {
  color: rgba(255, 255, 255, 0.78);
}

.nav a:hover {
  color: var(--gold);
}

.header-cta,
.primary-action,
.secondary-action {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
}

.header-cta,
.primary-action {
  background: var(--gold);
  color: var(--navy-2);
}

.secondary-action {
  border: 1px solid rgba(255, 255, 255, 0.42);
  color: var(--white);
}

.hero {
  color: var(--white);
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

.hero-media,
.hero-shade {
  inset: 0;
  position: absolute;
}

.hero-media {
  background-image: url("assets/images/hero.jpg");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(6, 12, 28, 0.9) 0%, rgba(6, 12, 28, 0.68) 42%, rgba(6, 12, 28, 0.12) 100%),
    linear-gradient(0deg, rgba(6, 12, 28, 0.45), rgba(6, 12, 28, 0.05));
}

.hero-content {
  max-width: 760px;
  padding: 168px clamp(22px, 7vw, 92px) 64px;
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-kicker {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 16px;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--red);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(46px, 8vw, 92px);
  line-height: 0.98;
  margin-bottom: 26px;
  max-width: 730px;
}

h2 {
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.08;
  margin-bottom: 22px;
}

h3 {
  font-size: 22px;
  line-height: 1.2;
  margin-bottom: 10px;
}

.hero-copy {
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 52px;
}

.hero-stats {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 640px;
}

.hero-stats div {
  border-left: 3px solid var(--gold);
  padding-left: 16px;
}

.hero-stats dt {
  font-size: clamp(27px, 4vw, 40px);
  font-weight: 900;
}

.hero-stats dd {
  color: rgba(255, 255, 255, 0.72);
  margin: 6px 0 0;
}

.section {
  padding: clamp(64px, 9vw, 120px) clamp(20px, 6vw, 76px);
}

.intro {
  background: var(--white);
}

.intro-grid,
.split,
.video-section,
.join {
  display: grid;
  gap: clamp(28px, 5vw, 74px);
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}

.intro-copy {
  color: #344054;
  font-size: 18px;
  line-height: 1.85;
}

.feature-band {
  background: var(--navy);
  color: var(--white);
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding-top: 54px;
  padding-bottom: 54px;
}

.feature-card {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  min-height: 210px;
  padding: 30px;
}

.feature-card span,
.program-grid span,
.moments span {
  color: var(--gold);
  display: block;
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 18px;
}

.feature-card p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
}

.split {
  align-items: center;
  background: var(--paper);
}

.split-media img {
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.split-copy {
  max-width: 620px;
}

.check-list {
  display: grid;
  gap: 14px;
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.check-list li {
  background: var(--white);
  border-left: 4px solid var(--green);
  border-radius: 8px;
  box-shadow: 0 16px 45px rgba(17, 24, 39, 0.07);
  padding: 18px 20px;
}

.section-heading {
  margin-bottom: 36px;
  max-width: 780px;
}

.section-heading.light h2 {
  color: var(--white);
}

.program {
  background: var(--white);
}

.program-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.program-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 260px;
  padding: 28px;
}

.program-grid article:nth-child(2) span {
  color: var(--red);
}

.program-grid article:nth-child(3) span {
  color: var(--green);
}

.program-grid article:nth-child(4) span {
  color: var(--navy);
}

.program-grid p,
.join-copy p,
.video-copy p,
.roster .section-heading p {
  color: var(--muted);
  line-height: 1.75;
}

.roster {
  background: #f7f8fb;
}

.roster-summary {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 26px;
}

.roster-summary div {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.roster-summary strong,
.roster-summary span {
  display: block;
}

.roster-summary strong {
  color: var(--navy);
  font-size: 34px;
  line-height: 1;
}

.roster-summary span {
  color: var(--muted);
  margin-top: 9px;
}

.roster-actions {
  display: flex;
  justify-content: flex-end;
  margin: -8px 0 18px;
}

.download-link {
  align-items: center;
  background: var(--navy);
  border-radius: 8px;
  color: var(--white);
  display: inline-flex;
  font-size: 14px;
  font-weight: 800;
  min-height: 42px;
  padding: 0 16px;
}

.roster-table-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 55px rgba(17, 24, 39, 0.08);
  overflow: auto;
}

.roster-table {
  border-collapse: collapse;
  min-width: 1120px;
  width: 100%;
}

.roster-table th,
.roster-table td {
  border-bottom: 1px solid var(--line);
  padding: 15px 18px;
  text-align: left;
  white-space: nowrap;
}

.roster-table th {
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
}

.roster-table td {
  color: #263244;
  font-size: 14px;
}

.rate {
  border-radius: 999px;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-width: 58px;
  padding: 5px 10px;
}

.rate.high {
  background: rgba(31, 143, 77, 0.12);
  color: var(--green);
}

.rate.mid {
  background: rgba(242, 183, 51, 0.18);
  color: #9a6500;
}

.rate.low {
  background: rgba(207, 31, 58, 0.12);
  color: var(--red);
}

.moments {
  background: var(--navy-2);
}

.moments-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
}

.moment-large,
.moment-stack article {
  background: #17213f;
  border-radius: 8px;
  color: var(--white);
  overflow: hidden;
}

.moment-large img {
  height: 530px;
  object-fit: cover;
  width: 100%;
}

.moment-large div,
.moment-stack div {
  padding: 26px;
}

.moment-large p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
}

.moment-stack {
  display: grid;
  gap: 18px;
}

.moment-stack img {
  height: 228px;
  object-fit: cover;
  width: 100%;
}

.video-section {
  align-items: center;
  background: var(--white);
}

.team-video {
  aspect-ratio: 16 / 9;
  background: var(--navy-2);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(17, 24, 39, 0.16);
  width: 100%;
}

.gallery {
  background: #eef2f7;
}

.gallery-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(6, 1fr);
}

.gallery-grid img {
  border-radius: 8px;
  height: 260px;
  object-fit: cover;
  width: 100%;
}

.gallery-grid img:nth-child(1),
.gallery-grid img:nth-child(4),
.gallery-grid img:nth-child(8) {
  grid-column: span 2;
}

.gallery-grid img:nth-child(2),
.gallery-grid img:nth-child(3),
.gallery-grid img:nth-child(5),
.gallery-grid img:nth-child(6),
.gallery-grid img:nth-child(7) {
  grid-column: span 2;
}

.join {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(242, 183, 51, 0.18), rgba(207, 31, 58, 0.08)),
    var(--paper);
}

.price-row {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 32px;
}

.price-row div {
  background: var(--white);
  border-radius: 8px;
  padding: 22px;
}

.price-row strong,
.price-row span {
  display: block;
}

.price-row span {
  color: var(--red);
  font-size: 22px;
  font-weight: 900;
  margin-top: 8px;
}

.join-card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(17, 24, 39, 0.12);
  padding: 24px;
}

.join-card img {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 22px;
  width: 100%;
}

.join-card p {
  color: var(--muted);
  line-height: 1.7;
}

.site-footer {
  align-items: center;
  background: var(--navy-2);
  color: rgba(255, 255, 255, 0.76);
  display: flex;
  justify-content: space-between;
  padding: 26px clamp(20px, 6vw, 76px);
}

.site-footer div {
  align-items: center;
  display: flex;
  gap: 12px;
}

.site-footer img {
  border-radius: 6px;
  height: 38px;
  object-fit: cover;
  width: 38px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .intro-grid,
  .split,
  .video-section,
  .join,
  .moments-layout {
    grid-template-columns: 1fr;
  }

  .feature-band,
  .program-grid,
  .roster-summary {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid img,
  .gallery-grid img:nth-child(n) {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .site-header {
    gap: 12px;
    padding: 10px 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand small,
  .header-cta {
    display: none;
  }

  .hero-content {
    padding-top: 124px;
  }

  .hero-stats,
  .feature-band,
  .program-grid,
  .roster-summary,
  .price-row,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .moment-large img,
  .moment-stack img {
    height: 260px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }
}
