@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+SC:wght@600;700&display=swap");

:root {
  color-scheme: light;
  --bg: #f7f2ea;
  --ink: #1f1b16;
  --muted: #5d534b;
  --accent: #c76a2b;
  --accent-dark: #8b441f;
  --surface: #fffaf3;
  --shadow: rgba(44, 29, 16, 0.15);
  --radius: 22px;
}

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

body {
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top, #fff5e6 0%, #f7f2ea 55%, #f1e7db 100%);
  color: var(--ink);
  line-height: 1.6;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 242, 234, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(141, 90, 57, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f4a261, #c76a2b);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-family: "Noto Serif SC", serif;
  letter-spacing: 1px;
}

.brand-name {
  font-family: "Noto Serif SC", serif;
  font-size: 1.15rem;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-weight: 500;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(141, 90, 57, 0.25);
  background: transparent;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
}

.hero {
  padding: 86px 0 70px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 10%, rgba(199, 106, 43, 0.22), transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(2.2rem, 3.4vw, 3.4rem);
  margin: 16px 0 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 600;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 24px rgba(199, 106, 43, 0.25);
}

.button.ghost {
  border-color: rgba(141, 90, 57, 0.35);
  color: var(--accent-dark);
}

.button:hover {
  transform: translateY(-2px);
}

.hero-metrics {
  display: flex;
  gap: 24px;
  margin-top: 32px;
}

.hero-metrics strong {
  font-size: 1.4rem;
  display: block;
  font-family: "Noto Serif SC", serif;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
  min-height: 320px;
}

.orb {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 106, 43, 0.45), rgba(199, 106, 43, 0));
  top: -40px;
  right: -20px;
  filter: blur(2px);
}

.panel {
  position: absolute;
  right: 0;
  bottom: 40px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px 24px;
  width: min(280px, 70vw);
  box-shadow: 0 20px 40px var(--shadow);
}

.panel-secondary {
  right: auto;
  left: 0;
  bottom: 120px;
}

.panel p {
  color: var(--muted);
  font-size: 0.9rem;
}

.panel h3 {
  margin: 8px 0 14px;
  font-size: 1.1rem;
}

.bars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.bars span {
  height: 52px;
  background: linear-gradient(180deg, #c76a2b, #f4a261);
  border-radius: 6px;
}

.bars span:nth-child(2) {
  height: 36px;
}

.bars span:nth-child(3) {
  height: 64px;
}

.bars span:nth-child(4) {
  height: 28px;
}

.dots {
  display: flex;
  gap: 8px;
}

.dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c76a2b;
  opacity: 0.6;
}

.section {
  padding: 70px 0;
}

.section-header {
  margin-bottom: 36px;
}

.section-header h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  margin-bottom: 12px;
}

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

.grid {
  display: grid;
  gap: 24px;
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 16px 30px var(--shadow);
  border: 1px solid rgba(141, 90, 57, 0.08);
}

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

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

.contrast {
  background: linear-gradient(135deg, rgba(255, 250, 243, 0.9), rgba(255, 238, 214, 0.65));
}

.solution-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.solution {
  background: rgba(255, 255, 255, 0.8);
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid rgba(141, 90, 57, 0.1);
}

.solution ul {
  margin-top: 12px;
  padding-left: 18px;
  color: var(--muted);
}

.case-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.case {
  padding: 26px;
  border-radius: var(--radius);
  background: var(--surface);
  border-left: 6px solid var(--accent);
  box-shadow: 0 16px 30px var(--shadow);
}

.case-tag {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent-dark);
  margin-bottom: 8px;
}

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

.about-cards {
  display: grid;
  gap: 18px;
}

.about-cards div {
  background: var(--surface);
  padding: 20px 22px;
  border-radius: var(--radius);
  box-shadow: 0 12px 24px var(--shadow);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.logo-grid span {
  background: rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 18px;
  text-align: center;
  font-weight: 600;
  color: var(--muted);
}

.news-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.news-item {
  background: var(--surface);
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(141, 90, 57, 0.1);
}

.news-item span {
  font-size: 0.85rem;
  color: var(--accent-dark);
}

.news-item h3 {
  margin: 10px 0;
}

.footer-link {
  background: transparent;
  border: none;
  padding: 0;
  color: #f8f2ea;
  opacity: 0.8;
  display: block;
  margin: 6px 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.footer-link:hover,
.footer-link:focus {
  opacity: 1;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal.open {
  display: grid;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(22, 16, 12, 0.6);
  backdrop-filter: blur(4px);
}

.modal-panel {
  position: relative;
  width: min(860px, 92vw);
  max-height: 85vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px 30px 26px;
  box-shadow: 0 22px 50px rgba(22, 16, 12, 0.35);
  border: 1px solid rgba(141, 90, 57, 0.12);
  animation: modalRise 0.2s ease;
}

.modal-panel h2 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.4rem, 2.3vw, 2rem);
  margin-bottom: 12px;
}

.modal-panel p {
  color: var(--muted);
  margin-top: 12px;
}

.modal-panel h3 {
  margin-top: 18px;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  border: none;
  background: transparent;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--accent-dark);
}

.no-scroll {
  overflow: hidden;
}

@keyframes modalRise {
  from {
    transform: translateY(12px);
    opacity: 0.6;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cta {
  padding-bottom: 50px;
}

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

.contact-form {
  background: var(--surface);
  padding: 26px;
  border-radius: var(--radius);
  box-shadow: 0 18px 30px var(--shadow);
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 500;
}

input,
textarea {
  font: inherit;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(141, 90, 57, 0.18);
  background: rgba(255, 255, 255, 0.85);
}

.form-note {
  font-size: 0.8rem;
  color: var(--muted);
}

.contact-info {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 36px;
}

.site-footer {
  background: #1f1b16;
  color: #f8f2ea;
  padding: 50px 0 28px;
}

.footer-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.site-footer a {
  color: #f8f2ea;
  opacity: 0.8;
  display: block;
  margin: 6px 0;
}

.icp-link {
  display: inline;
  margin: 0;
}

.record-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  opacity: 0.85;
}

.record-icon {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  margin-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 18px;
  font-size: 0.85rem;
  opacity: 0.7;
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .site-nav.open {
    display: flex;
    position: absolute;
    top: 72px;
    right: 5vw;
    flex-direction: column;
    background: var(--surface);
    padding: 18px 22px;
    border-radius: 18px;
    box-shadow: 0 12px 26px var(--shadow);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero-metrics {
    flex-direction: column;
    gap: 10px;
  }

  .panel {
    position: static;
    margin-top: 24px;
  }

  .panel-secondary {
    margin-top: 16px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 70px;
  }

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