:root {
  --bg: #060606;
  --bg-soft: #121212;
  --panel: rgba(17, 17, 17, 0.82);
  --panel-strong: rgba(24, 24, 24, 0.96);
  --line: rgba(214, 173, 86, 0.16);
  --text: #f3ebdc;
  --muted: #c0b29b;
  --accent: #d8b15f;
  --accent-deep: #9d7a31;
  --shadow: 0 30px 88px rgba(0, 0, 0, 0.46);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  background:
    radial-gradient(circle at top left, rgba(255, 208, 104, 0.12), transparent 24%),
    radial-gradient(circle at bottom right, rgba(255, 208, 104, 0.08), transparent 30%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-soft) 100%);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(255, 216, 121, 0.08), transparent 34%),
    linear-gradient(0deg, rgba(255,255,255,0.02), rgba(255,255,255,0.02));
}
a { color: inherit; }
.site-shell {
  width: min(1320px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 22px 0 48px;
}
.topbar,
.hero,
.section,
.footer,
.about-visual {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.topbar {
  position: sticky;
  top: 10px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 24px;
}
.topbar {
  background:
    linear-gradient(180deg, rgba(28,28,28,0.94), rgba(14,14,14,0.90));
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  font-weight: 700;
  overflow: hidden;
}
.brand-avatar {
  padding: 0;
}
.brand-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.brand strong,
.main-nav a,
.nav-cta,
.button,
.contact-grid strong,
.feature-grid h3,
.framework-grid h3,
.service-box h3,
.process-list strong,
.faq-grid h3,
figcaption strong,
.story-quote span {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
}
.brand strong { display: block; font-size: 15px; }
.brand span { display: block; color: var(--muted); font-size: 12px; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.04em;
}
.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.nav-cta {
  min-width: 120px;
  padding: 12px 16px;
  color: #17120c;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
}
.nav-cta:hover,
.button:hover { transform: translateY(-1px); }
.homepage,
.section-stack {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}
.hero,
.section { border-radius: 34px; }
.premium-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  padding: 36px;
  min-height: 780px;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 720px;
}
.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.34em;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
}
.hero h1,
.page-hero h1 {
  margin: 0;
  line-height: 1;
  letter-spacing: -0.03em;
}
.hero h1 { font-size: clamp(48px, 6vw, 84px); }
.page-hero h1 { font-size: clamp(40px, 5vw, 62px); }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin-top: 18px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(216, 177, 95, 0.16);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.hero-meta span {
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(216, 177, 95, 0.14);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.hero-divider {
  width: 100%;
  height: 1px;
  margin: 24px 0 0;
  background: linear-gradient(90deg, transparent, rgba(216, 177, 95, 0.44), transparent);
}
.lead {
  max-width: 44rem;
  margin: 22px 0 0;
  color: var(--muted);
  line-height: 2;
  font-size: 17px;
}
.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.button {
  min-width: 148px;
  padding: 15px 20px;
  border: 1px solid transparent;
}
.button.primary {
  color: #17120c;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 18px 34px rgba(216, 177, 95, 0.16);
}
.button.secondary {
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border-color: rgba(216, 177, 95, 0.18);
}
.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}
.hero-points div,
.intro-card,
.service-box,
.contact-card,
.feature-grid article,
.framework-grid article,
.process-list div,
.faq-grid article,
.story-quote {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
}
.hero-points div { padding: 16px 18px; }
.hero-points span {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.14em;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
}
.hero-points strong { font-size: 15px; }
.hero-note {
  margin-top: 20px;
  padding: 20px 22px;
  border-radius: 24px;
  border: 1px solid rgba(216, 177, 95, 0.18);
  background:
    linear-gradient(180deg, rgba(28,28,28,0.98), rgba(18,18,18,0.98));
}
.hero-note span {
  display: inline-block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.22em;
  margin-bottom: 8px;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
}
.hero-note strong {
  display: block;
  font-size: 22px;
  line-height: 1.5;
}
.hero-note p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.8;
}
.hero-stage {
  display: block;
  align-content: start;
  position: relative;
}
.hero-banner {
  height: 100%;
  padding: 22px;
  border-radius: 30px;
  border: 1px solid rgba(216, 177, 95, 0.18);
  background: linear-gradient(180deg, rgba(30,30,30,0.98), rgba(12,12,12,0.98));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
}
.banner-copy span {
  display: inline-block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.28em;
  margin-bottom: 12px;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
}
.banner-copy strong {
  display: block;
  font-size: 28px;
  line-height: 1.35;
  letter-spacing: -0.03em;
}
.banner-copy p {
  margin: 14px 0 0;
  max-width: 36rem;
  color: var(--muted);
  line-height: 1.9;
}
.banner-visual {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 16px;
  margin-top: 22px;
  min-height: 540px;
}
.banner-main,
.banner-mini,
figure,
.about-visual { overflow: hidden; }
.banner-main,
.banner-mini,
figure {
  border-radius: 28px;
  border: 1px solid rgba(216, 177, 95, 0.16);
  background: rgba(255,255,255,0.03);
}
.banner-main img,
.banner-mini img,
figure img,
.about-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner-main { min-height: 540px; }
.banner-stack { display: grid; gap: 16px; }
.banner-mini { min-height: 262px; }
.section { padding: 32px; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  margin-bottom: 24px;
}
.section h2 { margin: 0; font-size: 32px; letter-spacing: -0.02em; }
.intro-strip {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}
.intro-card { padding: 24px; }
.plain-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}
.story-panel { padding-top: 24px; padding-bottom: 24px; }
.story-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}
.story-copy,
.story-quote { padding: 26px; }
.story-copy p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.95;
  font-size: 16px;
}
.story-copy p:last-child { margin-bottom: 0; }
.story-quote {
  display: flex;
  flex-direction: column;
  justify-content: end;
  min-height: 100%;
  background:
    linear-gradient(180deg, rgba(28,28,28,0.98), rgba(18,18,18,0.98));
}
.story-quote p {
  margin: 0;
  font-size: 28px;
  line-height: 1.45;
  color: var(--text);
}
.story-quote span {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent);
  letter-spacing: 0.12em;
  font-size: 12px;
}
.philosophy-panel {
  padding-top: 24px;
  padding-bottom: 24px;
}
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.philosophy-grid article {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(28,28,28,0.98), rgba(18,18,18,0.98));
}
.philosophy-grid h3 {
  margin: 0 0 10px;
  font-size: 18px;
}
.philosophy-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}
.credentials-panel {
  padding-top: 24px;
  padding-bottom: 24px;
}
.credential-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.credential-grid article {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(28,28,28,0.98), rgba(18,18,18,0.98));
}
.credential-grid span {
  display: inline-block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.22em;
  margin-bottom: 10px;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
}
.credential-grid h3 {
  margin: 0 0 10px;
  font-size: 18px;
}
.credential-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}
.value-grid .feature-grid,
.framework-grid,
.service-grid,
.work-grid,
.process-list,
.faq-grid,
.contact-grid {
  display: grid;
  gap: 16px;
}
.feature-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature-grid article,
.framework-grid article,
.service-box,
.process-list div,
.faq-grid article { padding: 20px; }
.feature-grid p,
.framework-grid p,
.service-box p,
.process-list p,
.faq-grid p,
.contact-copy p,
.intro-card p,
.footer p,
.contact-grid span,
figcaption span {
  color: var(--muted);
  line-height: 1.8;
}
.framework-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.framework-grid span,
.process-list span {
  display: inline-block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.22em;
  margin-bottom: 10px;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
}
.service-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.premium-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.trust-grid article {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(28,28,28,0.98), rgba(18,18,18,0.98));
}
.trust-grid h3 {
  margin: 0 0 10px;
  font-size: 18px;
}
.trust-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}
figure { margin: 0; }
figure img { aspect-ratio: 1 / 1; }
figcaption { padding: 16px 18px 18px; }
figcaption strong {
  display: block;
  margin-bottom: 6px;
}
.process-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.premium-contact .contact-wrap {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 18px;
  align-items: start;
}
.contact-card { padding: 22px; }
.contact-card.emphasis {
  background: linear-gradient(180deg, rgba(28,28,28,0.98), rgba(18,18,18,0.98));
}
.contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.contact-grid div {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(216, 177, 95, 0.14);
}
.contact-grid strong {
  display: block;
  margin-bottom: 6px;
}
.footer {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  padding: 20px 24px;
  margin-top: 18px;
  border-radius: 24px;
  color: var(--muted);
}
.consult-bar {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 50;
  width: min(1180px, calc(100vw - 20px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 24px;
  border: 1px solid rgba(216, 177, 95, 0.18);
  background: rgba(15, 15, 15, 0.94);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
}
.consult-bar strong { display: block; font-size: 15px; }
.consult-bar span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 3px;
}
.consult-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.consult-actions .button {
  min-width: 0;
  padding: 12px 16px;
}
.page-hero {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  padding: 28px 4px 14px;
}
.about-visual { border-radius: 28px; }
.about-visual img { max-height: 520px; }
.founder-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  align-items: center;
}
.founder-avatar {
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.founder-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.founder-copy h2 {
  margin-bottom: 10px;
}
.founder-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}
.text-card {
  padding: 24px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
}
.text-card p { color: var(--muted); line-height: 1.9; }
.product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-grid figcaption span { display: block; }
.product-grid figure img { aspect-ratio: 1 / 1.04; }
figure figcaption {
  background: linear-gradient(180deg, rgba(28,28,28,0.08), rgba(18,18,18,0.35));
}
.page-hero .button.secondary,
.contact-card,
.contact-grid div,
.intro-card,
.text-card,
.service-box,
.feature-grid article,
.framework-grid article,
.process-list div,
.faq-grid article,
.credential-grid article,
.philosophy-grid article,
.trust-grid article {
  background: linear-gradient(180deg, rgba(28,28,28,0.98), rgba(18,18,18,0.98));
}
@media (max-width: 1120px) {
  .premium-hero,
  .intro-strip,
  .premium-contact .contact-wrap,
  .story-grid,
  .founder-card {
    grid-template-columns: 1fr;
  }
  .banner-visual {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .banner-main,
  .banner-mini {
    min-height: 280px;
  }
  .feature-grid,
  .framework-grid,
  .process-list,
  .premium-grid,
  .credential-grid,
  .philosophy-grid,
  .trust-grid,
  .product-grid {
    grid-template-columns: 1fr 1fr;
  }
  .service-grid { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; }
}
@media (max-width: 760px) {
  .site-shell {
    width: min(100vw - 18px, 100%);
    padding-top: 10px;
    padding-bottom: 96px;
  }
  .topbar,
  .section,
  .premium-hero,
  .footer {
    border-radius: 20px;
  }
  .topbar,
  .section,
  .premium-hero { padding: 18px; }
  .main-nav {
    flex-wrap: wrap;
    gap: 12px;
  }
  .hero-points,
  .feature-grid,
  .framework-grid,
  .premium-grid,
  .credential-grid,
  .philosophy-grid,
  .trust-grid,
  .product-grid,
  .process-list,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .banner-stack { grid-template-columns: 1fr; }
  .section-head,
  .page-hero,
  .footer {
    flex-direction: column;
    align-items: start;
  }
  .hero h1 { font-size: 38px; }
  .lead { font-size: 16px; }
  .banner-copy strong { font-size: 22px; }
  .consult-bar {
    left: 10px;
    right: 10px;
    transform: none;
    width: auto;
    flex-direction: column;
    align-items: start;
  }
}