:root {
  --ink: #0f172a;
  --ink-soft: #1e293b;
  --muted: #64748b;
  --cream: #fffbeb;
  --cream-2: #fef3c7;
  --orange: #ea580c;
  --orange-2: #c2410c;
  --sky: #38bdf8;
  --sky-2: #0284c7;
  --line: rgba(15, 23, 42, 0.08);
  --white: #ffffff;
  --shadow: 0 32px 90px rgba(15, 23, 42, 0.14);
  --soft-shadow: 0 14px 40px rgba(15, 23, 42, 0.07);
  --radius-xl: 32px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

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

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

.site-shell {
  min-height: 100vh;
}

/* section */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(20px, 4vw, 64px);
  background: rgba(255, 251, 235, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(234, 88, 12, 0.2);
}

.brand-mark img {
  width: 100%;
  height: 100%;
}

.brand-sub {
  display: block;
  margin-top: 1px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.nav-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.nav-pill a {
  padding: 8px 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}

.nav-pill a:hover {
  color: var(--ink);
  background: rgba(234, 88, 12, 0.08);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  color: var(--white);
  font-weight: 800;
  font-size: 14px;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  border: 0;
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(234, 88, 12, 0.28);
  transition: transform 0.2s, box-shadow 0.2s;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(234, 88, 12, 0.34);
}

.button.outline {
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: none;
}

.button.sky {
  background: linear-gradient(135deg, var(--sky), var(--sky-2));
  box-shadow: 0 12px 28px rgba(56, 189, 248, 0.28);
}

/* section */
.hero-band {
  position: relative;
  padding: clamp(64px, 9vw, 120px) clamp(20px, 4vw, 64px) clamp(48px, 7vw, 88px);
  text-align: center;
  color: var(--white);
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(56, 189, 248, 0.18), transparent),
    radial-gradient(circle at 90% 80%, rgba(234, 88, 12, 0.2), transparent 40%),
    linear-gradient(165deg, #0f172a 0%, #1e293b 55%, #172554 100%);
  overflow: hidden;
}

.hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.025) 0 1px,
    transparent 1px 48px
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  margin-bottom: 24px;
  color: #fed7aa;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(234, 88, 12, 0.15);
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: 999px;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--orange);
}

.hero-band h1 {
  margin: 0 0 20px;
  font-size: clamp(36px, 5.5vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 900;
}

.hero-band h1 span {
  background: linear-gradient(90deg, #fb923c, #38bdf8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 580px;
  margin: 0 auto 32px;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.hero-visual-wrap {
  position: relative;
  max-width: 920px;
  margin: clamp(40px, 6vw, 72px) auto 0;
  padding: 0 clamp(12px, 3vw, 32px);
}

.hero-visual-wrap img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-chip {
  position: absolute;
  display: grid;
  gap: 2px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  border-radius: var(--radius-md);
  box-shadow: var(--soft-shadow);
  font-size: 13px;
  text-align: left;
}

.hero-chip strong {
  font-size: 14px;
}

.hero-chip span {
  color: var(--muted);
  font-size: 12px;
}

.hero-chip.left {
  top: 12%;
  left: -8px;
}

.hero-chip.right {
  bottom: 10%;
  right: -8px;
}

/* section */
.marquee-strip {
  display: flex;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--white);
}

.marquee-track {
  display: flex;
  gap: 48px;
  padding: 18px 0;
  animation: marquee 28s linear infinite;
  white-space: nowrap;
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.marquee-track span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* section */
.section {
  padding: clamp(56px, 8vw, 96px) clamp(20px, 4vw, 64px);
}

.section-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-title {
  margin: 0 0 12px;
  max-width: 640px;
  font-size: clamp(28px, 3.8vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-desc {
  max-width: 520px;
  margin: 0 0 40px;
  color: var(--muted);
  font-size: 16px;
}

/* section */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.bento-item {
  padding: clamp(24px, 3vw, 32px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--soft-shadow);
}

.bento-item.wide {
  grid-column: span 7;
}

.bento-item.narrow {
  grid-column: span 5;
}

.bento-item.third {
  grid-column: span 4;
}

.bento-item.highlight {
  color: var(--white);
  background:
    radial-gradient(circle at 100% 0%, rgba(56, 189, 248, 0.25), transparent 50%),
    linear-gradient(145deg, var(--ink-soft), #172554);
  border-color: rgba(255, 255, 255, 0.1);
}

.bento-item.highlight p {
  color: rgba(255, 255, 255, 0.72);
}

.bento-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  color: var(--orange-2);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.04em;
  background: rgba(234, 88, 12, 0.1);
  border-radius: 12px;
}

.bento-item.highlight .bento-icon {
  color: #fed7aa;
  background: rgba(255, 255, 255, 0.12);
}

.bento-item h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.bento-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.bento-tags span {
  padding: 5px 10px;
  color: var(--orange-2);
  font-size: 11px;
  font-weight: 800;
  background: rgba(234, 88, 12, 0.08);
  border-radius: 6px;
}

.bento-item.highlight .bento-tags span {
  color: #fed7aa;
  background: rgba(255, 255, 255, 0.1);
}

/* section */
.journey-list {
  display: grid;
  gap: 0;
  max-width: 760px;
}

.journey-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.journey-step:last-child {
  border-bottom: 0;
}

.journey-num {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--white);
  font-weight: 900;
  font-size: 16px;
  background: linear-gradient(135deg, var(--orange), var(--sky));
  border-radius: 14px;
}

.journey-step h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.journey-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* section */
.company-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}

.company-card {
  padding: clamp(32px, 4vw, 48px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--soft-shadow);
}

.company-card.dark {
  color: var(--white);
  background:
    radial-gradient(circle at 0% 100%, rgba(234, 88, 12, 0.2), transparent 45%),
    linear-gradient(160deg, var(--ink-soft), #0f172a);
  border-color: rgba(255, 255, 255, 0.08);
}

.company-card.dark p {
  color: rgba(255, 255, 255, 0.72);
}

.company-card h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
}

.info-row {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.company-card.dark .info-row {
  border-color: rgba(255, 255, 255, 0.1);
}

.info-row strong {
  flex: 0 0 72px;
  color: var(--muted);
  font-weight: 700;
}

.company-card.dark .info-row strong {
  color: rgba(255, 255, 255, 0.5);
}

.compliance-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.compliance-links a {
  padding: 10px 18px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color 0.2s, background 0.2s;
}

.compliance-links a:hover {
  border-color: var(--orange);
  background: rgba(234, 88, 12, 0.06);
}

/* section */
.cta-band {
  margin: 0 clamp(20px, 4vw, 64px) clamp(56px, 8vw, 96px);
  padding: clamp(36px, 5vw, 56px);
  text-align: center;
  color: var(--white);
  background:
    radial-gradient(circle at 20% 50%, rgba(56, 189, 248, 0.2), transparent 40%),
    linear-gradient(120deg, var(--orange-2), var(--orange) 50%, #f97316);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 60px rgba(234, 88, 12, 0.25);
}

.cta-band h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.5vw, 36px);
}

.cta-band p {
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
}

/* section */
.footer {
  padding: 40px clamp(20px, 4vw, 64px) 32px;
  background: var(--white);
  border-top: 1px solid var(--line);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

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

.footer-brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.footer-brand strong {
  display: block;
  font-size: 16px;
}

.footer-brand span {
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links div {
  display: grid;
  gap: 6px;
}

.footer-links strong {
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
}

.footer-links a:hover {
  color: var(--orange);
}

.footer-copy {
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-copy a {
  color: var(--ink-soft);
}

.footer-copy a:hover {
  color: var(--orange);
}

/* section */
.doc-page .nav-pill {
  display: none;
}

.doc-main {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px clamp(20px, 4vw, 64px) 80px;
}

.doc-aside {
  position: sticky;
  top: 88px;
  align-self: start;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.doc-aside a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.doc-aside a:hover {
  color: var(--orange);
}

.doc-content {
  padding: clamp(28px, 4vw, 44px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--soft-shadow);
}

.doc-content h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.12;
}

.doc-content h2 {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 20px;
}

.doc-content p,
.doc-content li {
  color: #475569;
}

.doc-content .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.doc-content .card {
  padding: 22px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.doc-content .card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.doc-content .card p {
  margin: 0;
  font-size: 14px;
}

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

/* section */
@media (max-width: 960px) {
  .nav-pill {
    display: none;
  }

  .bento-item.wide,
  .bento-item.narrow,
  .bento-item.third {
    grid-column: span 12;
  }

  .company-panel {
    grid-template-columns: 1fr;
  }

  .hero-chip {
    position: static;
    margin-top: 12px;
    display: inline-grid;
  }

  .hero-visual-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .doc-main {
    grid-template-columns: 1fr;
  }

  .doc-aside {
    position: static;
  }
}

@media (max-width: 560px) {
  .nav-right .button.outline {
    display: none;
  }

  .hero-band h1 {
    font-size: 32px;
  }
}