:root {
  /* 更浓郁的橙红色系背景 */
  --bg: #fff0e6;       /* 暖橙白 */
  --bg-light: #fff5f0; /* 暖白带橙 */
  --card: #ffffff;
  --text: #2a1f1a;     /* 暖棕色 */
  --muted: #6b4f3c;    /* 暖灰褐色 */

  /* 橙色色调 */
  --accent: #ff5722;    /* 深橙色 */
  --accent-gold: #ffb347; /* 橙黄 */
  --accent-amber: #ff8c42; /* 橙红 */
  --accent-grad: linear-gradient(135deg, #ff4518 0%, #ff7e3a 55%, #ffb347 100%);
  --accent-glow: 0 18px 42px rgba(255, 87, 34, 0.25);

  --border: rgba(42, 31, 26, 0.12);
  --shadow: 0 18px 45px rgba(42, 31, 26, 0.10);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft Yahei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  width: min(1160px, 90vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 1px;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 122, 24, 0.55);
  border-radius: 12px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #ffffff;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--muted);
}

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

.lang-toggle {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.75);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
}

.hero {
  padding: 120px 0 100px;
  background:
    radial-gradient(circle at top left, rgba(255, 122, 24, 0.20), transparent 48%),
    radial-gradient(circle at bottom right, rgba(247, 211, 106, 0.22), transparent 58%),
    radial-gradient(circle at 40% 30%, rgba(255, 255, 255, 0.95), transparent 62%),
    radial-gradient(circle at 70% 10%, rgba(255, 154, 0, 0.18), transparent 55%),
    radial-gradient(circle at 10% 80%, rgba(255, 224, 138, 0.22), transparent 58%);
}

.hero-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent);
  font-size: 12px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.4rem, 3vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-desc {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: 0.2s ease;
}

.btn.primary {
  background: var(--accent-grad);
  color: #3b2a1a;
  border-color: transparent;
  box-shadow: var(--accent-glow);
}

.btn.primary:hover {
  transform: translateY(-1px);
  filter: saturate(1.05) brightness(1.05);
}

.btn.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-panel {
  display: grid;
  gap: 20px;
}

.panel-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.panel-title {
  font-weight: 600;
  margin-bottom: 8px;
}

.panel-text {
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 90px 0;
}

.section.muted {
  background: var(--bg-light);
}

.section-header {
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 2.4vw, 2.4rem);
  margin-bottom: 10px;
}

.section-header p {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  background: #ffffff;
  min-height: 160px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 122, 24, 0.35);
  box-shadow: 0 22px 60px rgba(27, 26, 22, 0.14);
}

.card-media {
  height: 140px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(27, 26, 22, 0.12);
  background: #fff6ed;
  margin-bottom: 18px;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill {
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.about {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: start;
}

.about-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.about-card h3 {
  margin-bottom: 12px;
}

.about-card ul {
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 20px;
  color: var(--muted);
}

.contact-list span {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
}

.contact-card {
  border-radius: 18px;
  padding: 28px;
  background: linear-gradient(140deg,
    rgba(255, 122, 24, 0.16),
    rgba(247, 211, 106, 0.22),
    rgba(255, 255, 255, 0.85)
  );
  border: 1px solid rgba(255, 122, 24, 0.25);
  box-shadow: var(--shadow);
}

.contact-card h3 {
  margin-bottom: 12px;
}

.contact-card p {
  color: var(--muted);
  margin-bottom: 24px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 26px 0;
  color: var(--muted);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.65);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }
}