:root {
  --blue-deep: #1E3A8A;
  --blue: #2B5FCF;
  --blue-bright: #4B8BFF;
  --cyan: #49B7D8;
  --teal: #38BFA1;
  --green: #6DD66A;
  --green-light: #A9F1D7;
  --gradient-brand: linear-gradient(135deg, #2B5FCF 0%, #49B7D8 50%, #6DD66A 100%);
  --gradient-brand-h: linear-gradient(90deg, #2B5FCF 0%, #49B7D8 50%, #6DD66A 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(43,95,207,0.06) 0%, rgba(73,183,216,0.06) 50%, rgba(109,214,106,0.06) 100%);
  --white: #fff;
  --bg: #fff;
  --bg-soft: #F7F9FC;
  --bg-card: #fff;
  --text-heading: #0F172A;
  --text-body: #334155;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.04), 0 1px 2px rgba(15,23,42,0.06);
  --shadow-md: 0 4px 16px rgba(15,23,42,0.06), 0 1px 3px rgba(15,23,42,0.04);
  --shadow-lg: 0 10px 40px rgba(15,23,42,0.08);
  --shadow-brand: 0 8px 30px rgba(43,95,207,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", Inter, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

.navbar {
  position: fixed; inset: 0 0 auto 0; z-index: 1000;
  height: 72px; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); background: rgba(255,255,255,0.96); }
.nav-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo { height: 36px; width: auto; }
.nav-brand-cn { font-size: 16px; font-weight: 700; color: var(--text-heading); letter-spacing: 0.5px; display: block; line-height: 1.15; }
.nav-brand-en {
  font-size: 10px; font-weight: 600; letter-spacing: 1.6px; text-transform: uppercase;
  background: var(--gradient-brand-h); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  color: var(--text-body); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 8px 12px; border-radius: var(--radius-sm);
}
.nav-link:hover { color: var(--blue); background: rgba(43,95,207,0.05); }
.nav-cta {
  background: var(--gradient-brand); color: #fff !important; margin-left: 8px;
  box-shadow: var(--shadow-brand); font-weight: 600 !important;
}
.nav-lang { font-size: 12px; font-weight: 700; letter-spacing: 0.4px; color: var(--blue); text-decoration: none; padding: 8px 10px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text-heading); border-radius: 2px; }

.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 112px 48px 72px; position: relative; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.96) 0%, rgba(255,255,255,0.88) 42%, rgba(255,255,255,0.35) 100%);
}
.hero-inner { position: relative; z-index: 1; max-width: 1160px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero-copy { max-width: 640px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 50px; font-size: 13px; font-weight: 500; color: var(--blue);
  background: var(--gradient-subtle); border: 1px solid rgba(43,95,207,0.12); margin-bottom: 22px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gradient-brand); }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.7rem); line-height: 1.18; font-weight: 900; color: var(--text-heading); }
h1 .grad, .grad {
  background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.en-kicker {
  margin: 12px 0 18px; font-family: Inter, sans-serif; font-weight: 600; letter-spacing: 3px;
  font-size: 13px; text-transform: uppercase;
  background: var(--gradient-brand-h); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.lead { font-size: 1.05rem; max-width: 560px; margin-bottom: 28px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  padding: 13px 26px; border-radius: var(--radius-md); font-weight: 600; font-size: 15px; font-family: inherit;
}
.btn-primary { background: var(--gradient-brand); color: #fff; box-shadow: var(--shadow-brand); }
.btn-secondary { border: 1.5px solid var(--border); color: var(--blue); background: rgba(255,255,255,0.7); }
.hero-photo {
  border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.8); position: relative; min-height: 420px;
}
.hero-photo img { width: 100%; height: 520px; object-fit: cover; }
.photo-cap {
  position: absolute; left: 14px; bottom: 14px;
  background: rgba(255,255,255,0.92); color: var(--text-heading);
  font-size: 12px; font-weight: 600; padding: 6px 10px; border-radius: 8px;
}
.stats { display: flex; gap: 28px; margin-top: 36px; flex-wrap: wrap; }
.stat-num { font-family: Inter, sans-serif; font-size: 1.7rem; font-weight: 800; line-height: 1.1; }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }

.section { padding: 88px 48px; }
.section-alt { background: var(--bg-soft); }
.container { max-width: 1160px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 42px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px;
  background: var(--gradient-brand-h); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section-tag::before, .section-tag::after { content: ""; width: 18px; height: 1.5px; background: var(--gradient-brand-h); }
.section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); color: var(--text-heading); font-weight: 800; margin-bottom: 10px; }
.section-desc { color: var(--text-muted); max-width: 640px; margin: 0 auto; }

.formula {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: stretch;
}
.panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 32px;
  box-shadow: var(--shadow-sm);
}
.panel h3 { color: var(--text-heading); font-size: 1.35rem; margin-bottom: 12px; }
.panel p + p { margin-top: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip {
  padding: 6px 12px; border-radius: 999px; background: var(--gradient-subtle);
  border: 1px solid rgba(43,95,207,0.1); color: var(--blue); font-size: 13px; font-weight: 600;
}
.photo-panel { position: relative; border-radius: var(--radius-xl); overflow: hidden; min-height: 320px; border: 1px solid var(--border); }
.photo-panel img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }

.cards-3, .cards-2, .cards-5 { display: grid; gap: 18px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-5 { grid-template-columns: repeat(5, 1fr); }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: 0.3s transform, 0.3s box-shadow;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.card-photo { height: 168px; position: relative; }
.card-photo img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 22px; }
.card h3 { color: var(--text-heading); font-size: 1.12rem; margin-bottom: 6px; }
.card h3 small { display: block; margin-top: 2px; font-size: 12px; letter-spacing: 1px; font-weight: 700; }
.card ul { list-style: none; margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.card li { font-size: 0.9rem; padding-left: 14px; position: relative; }
.card li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gradient-brand); position: absolute; left: 0; top: 0.55em; }

.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--gradient-brand); }
.t-item {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px 22px; margin-bottom: 14px;
}
.t-item::before {
  content: ""; position: absolute; left: -25px; top: 26px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--gradient-brand); box-shadow: 0 0 0 3px #fff;
}
.t-when { font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--blue); }
.t-item h3 { color: var(--text-heading); font-size: 1.05rem; margin: 2px 0 6px; }
.t-item p { font-size: 0.92rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { background: #F8FAFC; color: var(--text-heading); font-weight: 700; }
td.num, th.num { text-align: center; font-variant-numeric: tabular-nums; font-family: Inter, sans-serif; }

.region { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.region img { height: 150px; width: 100%; object-fit: cover; }
.region div { padding: 16px 16px 18px; }
.region h3 { color: var(--text-heading); font-size: 1rem; }
.region p { font-size: 0.84rem; margin-top: 4px; }
.region .who { color: var(--blue); font-weight: 600; font-size: 0.8rem; margin-top: 8px; }

.days { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.day { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px; }
.day strong { display: block; color: var(--text-heading); margin-bottom: 8px; }
.day span { display: block; font-size: 0.82rem; margin-bottom: 8px; }
.day em { font-style: normal; color: var(--text-muted); font-size: 11px; font-weight: 700; letter-spacing: 0.4px; }

.awards { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 18px; }
.award-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.award {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px;
}
.award b { display: block; color: var(--text-heading); }
.award span { font-family: Inter, sans-serif; font-weight: 800; font-size: 1.25rem; }

.rules { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rule { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px 18px; }
.rule h3 { font-size: 0.98rem; color: var(--text-heading); margin-bottom: 4px; }
.rule p { font-size: 0.88rem; }

.partners { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.partner {
  background: #fff; border: 1px solid var(--border); border-radius: 999px;
  padding: 8px 14px; font-size: 0.86rem; font-weight: 600; color: var(--text-heading);
}

.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; }
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 28px; box-shadow: var(--shadow-md); }
label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-soft); font: inherit; color: var(--text-heading); margin-bottom: 12px;
}
textarea { min-height: 96px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
button.btn { border: 0; cursor: pointer; width: 100%; justify-content: center; }

.footer { background: var(--text-heading); color: rgba(255,255,255,0.72); padding: 48px 48px 24px; }
.footer-grid { max-width: 1160px; margin: 0 auto 28px; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 28px; }
.footer h3 { color: #fff; font-size: 1.05rem; }
.footer a { display: block; color: rgba(255,255,255,0.55); text-decoration: none; font-size: 0.86rem; margin-top: 8px; }
.footer a:hover { color: var(--green-light); }
.footer-bottom { max-width: 1160px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px; font-size: 12px; color: rgba(255,255,255,0.38); }

@media (max-width: 1024px) {
  .hero-inner, .formula, .awards, .contact-grid, .cards-5, .days { grid-template-columns: 1fr 1fr; }
  .cards-5, .days { grid-template-columns: 1fr 1fr; }
  .hero-photo img { height: 360px; }
}
@media (max-width: 768px) {
  .navbar { padding: 0 16px; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 12px; flex-direction: column; align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .hero, .section, .footer { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 96px; }
  .hero-inner, .formula, .cards-3, .cards-2, .cards-5, .days, .awards, .rules, .contact-grid, .footer-grid, .form-row, .award-grid {
    grid-template-columns: 1fr;
  }
  .hero-bg::after { background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.82)); }
}