:root {
  --bg: #121212;
  --bg-soft: #1f1f1f;
  --panel: rgba(32, 32, 32, 0.94);
  --panel-strong: rgba(18, 18, 18, 0.98);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f6f3ea;
  --muted: #d2d2d2;
  --accent: #ffc400;
  --accent-strong: #ffd84a;
  --accent-cool: #ffe07a;
  --paper: #f7f2df;
  --paper-text: #182027;
  --paper-muted: #53606b;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --max-width: 1680px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(255, 196, 0, 0.12), transparent 34%),
    linear-gradient(180deg, #151515 0%, #101010 50%, #161616 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.62), transparent 92%);
  pointer-events: none;
}

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

p,
li {
  color: var(--muted);
  line-height: 1.75;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Noto Serif SC", "Source Han Serif SC", "STSong", serif;
  line-height: 1.18;
  letter-spacing: 0;
}

img {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 50;
  background: #fff;
  color: #111;
  padding: 0.75rem 1rem;
  border-radius: 999px;
}

.site-shell {
  position: relative;
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 22px 0 48px;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  align-items: center;
  padding: 12px 14px;
  background: rgba(16, 16, 16, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.24);
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.brand-block.has-mark {
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.logo-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--accent);
  color: #111;
  font-weight: 900;
}

.brand {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.nav a {
  color: #d4dfec;
  font-size: 0.96rem;
  font-weight: 700;
}

.nav a[aria-current="page"] {
  color: var(--accent);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.nav-cta {
  padding: 0.78rem 1.15rem;
  background: var(--accent);
  color: #111;
  font-weight: 700;
}

.hero,
.page-hero {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 32px;
}

.hero {
  grid-template-columns: minmax(0, 1fr);
  padding: 60px 0 28px;
}

.company-hero {
  min-height: min(540px, calc(100vh - 126px));
  align-items: center;
  margin-top: 24px;
  padding: 54px clamp(28px, 5vw, 72px) 34px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(circle at center top, rgba(255, 196, 0, 0.12), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 45%),
    #1b1b1b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
}

.company-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 78%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-hero {
  padding: 68px 0 8px;
  max-width: 860px;
}

.company-hero h1 {
  max-width: 1280px;
  margin: 0 auto;
  color: var(--accent);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 4.45rem;
  font-weight: 900;
  letter-spacing: 0;
}

.page-hero h1 {
  font-size: 3.65rem;
}

.hero-service-line {
  margin: 18px 0 0;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
}

.lead {
  max-width: 760px;
  font-size: 1.06rem;
  color: #ededed;
}

.company-hero .lead {
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}

.hero-phone {
  width: min(100%, 560px);
  min-height: 74px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  margin: 26px auto 20px;
  padding: 13px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.hero-phone .phone-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #111;
  font-size: 1.4rem;
}

.hero-phone strong {
  color: var(--accent);
  font-size: 2rem;
  letter-spacing: 0.08em;
}

.hero-phone em {
  padding: 0.52rem 0.9rem;
  border-radius: 999px;
  background: var(--accent);
  color: #111;
  font-style: normal;
  font-weight: 900;
}

.hero-actions,
.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.button {
  min-height: 48px;
  padding: 0.88rem 1.25rem;
  border: 1px solid transparent;
  font-weight: 700;
}

.button:hover,
.nav-cta:hover,
.button:focus-visible,
.nav-cta:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--accent);
  color: #111;
}

.button.secondary,
.button.ghost {
  border-color: rgba(255, 196, 0, 0.65);
  background: rgba(255, 255, 255, 0.02);
  color: var(--accent);
}

.trust-row,
.tag-strip {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-row span,
.tag-strip span {
  padding: 0.78rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.08);
  color: #f0f0f0;
  font-size: 0.92rem;
  font-weight: 800;
}

.hero-card,
.service-card,
.note-card,
.cta-panel,
.company-contact-strip,
.footer {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-strong) 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.company-contact-strip {
  display: grid;
  grid-template-columns: minmax(280px, 1.3fr) 0.65fr 0.45fr minmax(260px, 1.2fr);
  gap: 0;
  margin: 16px 0 18px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.company-contact-strip div {
  padding: 18px 20px;
  background: transparent;
  border-left: 1px solid rgba(24, 32, 39, 0.12);
}

.company-contact-strip div:first-child {
  border-left: 0;
}

.company-contact-strip span {
  display: block;
  margin-bottom: 8px;
  color: #8c6500;
  font-size: 0.82rem;
  font-weight: 800;
}

.company-contact-strip strong {
  display: block;
  color: var(--paper-text);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.company-contact-strip small {
  display: block;
  margin-top: 6px;
  color: var(--paper-muted);
  line-height: 1.55;
}

.hero-card {
  padding: 26px;
  border-radius: var(--radius-lg);
}

.card-kicker {
  margin: 0 0 10px;
  font-size: 0.88rem;
  color: var(--accent);
  letter-spacing: 0;
  text-transform: uppercase;
}

.info-list {
  display: grid;
  gap: 16px;
  margin: 22px 0 0;
}

.info-list dt {
  color: #d7e5f4;
  font-size: 0.9rem;
}

.info-list dd {
  margin: 6px 0 0;
  color: #fff;
  line-height: 1.7;
}

.section {
  padding: 40px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-heading h2,
.split h2,
.cta-panel h2 {
  font-size: 2.65rem;
}

.card-grid {
  display: grid;
  gap: 18px;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-card,
.note-card {
  padding: 24px;
  border-radius: var(--radius-md);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.service-card:hover,
.note-card:hover {
  transform: translateY(-3px);
  border-color: rgba(104, 214, 194, 0.35);
  background: linear-gradient(180deg, rgba(17, 28, 45, 0.92) 0%, rgba(13, 21, 34, 0.98) 100%);
}

.service-card h3,
.note-card h3,
.service-card h2 {
  margin-bottom: 12px;
  font-size: 1.38rem;
}

.service-card a {
  display: inline-flex;
  margin-top: 14px;
  color: var(--accent-strong);
  font-weight: 700;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 22px;
  align-items: start;
}

.stack {
  display: grid;
  gap: 16px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 72px 22px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 22px;
  top: 22px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #ffd08f);
  color: #24190f;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.copy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.copy-grid article {
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.copy-grid h3 {
  font-size: 1.28rem;
  margin-bottom: 10px;
}

.recovery-table {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.recovery-table div {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: 18px;
  padding: 18px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.recovery-table div:first-child {
  border-top: 0;
}

.recovery-table strong {
  color: #fff;
}

.recovery-table span {
  color: var(--muted);
  line-height: 1.75;
}

.geo-answer-box {
  padding: 28px;
  border: 1px solid rgba(247, 162, 79, 0.3);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(247, 162, 79, 0.14), rgba(104, 214, 194, 0.08)),
    rgba(255, 255, 255, 0.04);
}

.geo-answer-box h2 {
  margin-top: 8px;
  font-size: 2.2rem;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  padding: 18px 22px;
}

.faq-list summary {
  cursor: pointer;
  color: #fff;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 12px 0 0;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: 22px;
  align-items: center;
  padding: 28px;
  border-radius: var(--radius-lg);
  margin: 12px 0 36px;
}

.footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 18px;
  align-items: end;
  border-radius: var(--radius-lg);
  padding: 24px;
}

.footer-title {
  color: #fff;
  font-weight: 700;
  margin: 0 0 8px;
}

.footer-meta {
  color: #90a8c2;
}

.clean-list {
  margin: 0;
  padding-left: 1.2rem;
}

.clean-list li + li {
  margin-top: 0.45rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@media (max-width: 960px) {
  .topbar,
  .hero,
  .split,
  .cta-panel,
  .company-contact-strip,
  .footer {
    grid-template-columns: 1fr;
  }

  .company-hero h1 {
    font-size: 3.35rem;
  }

  .page-hero h1 {
    font-size: 3rem;
  }

  .section-heading h2,
  .split h2,
  .cta-panel h2 {
    font-size: 2.3rem;
  }

  .topbar {
    border-radius: var(--radius-lg);
  }

  .nav {
    justify-content: flex-start;
  }

  .three-up,
  .four-up,
  .two-up,
  .copy-grid,
  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 22px), var(--max-width));
    padding-top: 14px;
  }

  .topbar {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 16px;
  }

  .brand-block.has-mark {
    grid-column: 1;
    grid-row: 1;
  }

  .brand-block.has-mark .eyebrow {
    display: none;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
  }

  .nav {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav a {
    white-space: nowrap;
  }

  .nav-cta {
    grid-column: 2;
    grid-row: 1;
    width: auto;
    padding: 0.72rem 0.88rem;
  }

  .hero {
    padding-top: 34px;
  }

  .page-hero {
    padding-top: 42px;
  }

  .company-hero {
    min-height: 520px;
    padding: 56px 20px 24px;
    background:
      radial-gradient(circle at center top, rgba(255, 196, 0, 0.13), transparent 34%),
      #1b1b1b;
  }

  .company-hero h1 {
    font-size: 2.55rem;
  }

  .page-hero h1 {
    font-size: 2.45rem;
  }

  .hero-service-line {
    font-size: 1.15rem;
  }

  .hero-phone {
    grid-template-columns: auto 1fr auto;
    min-height: 64px;
    padding: 12px 14px;
    gap: 10px;
  }

  .hero-phone strong {
    font-size: 1.18rem;
    letter-spacing: 0;
  }

  .hero-phone em {
    grid-column: auto;
    text-align: center;
    padding: 0.45rem 0.72rem;
    white-space: nowrap;
  }

  .company-hero .hero-actions {
    display: none;
  }

  .section-heading h2,
  .split h2,
  .cta-panel h2 {
    font-size: 2.05rem;
  }

  .three-up,
  .four-up,
  .two-up,
  .copy-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .recovery-table div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .nav {
    gap: 12px;
  }

  .hero-card,
  .service-card,
  .note-card,
  .copy-grid article,
  .faq-list details,
  .cta-panel,
  .company-contact-strip div,
  .footer {
    padding: 20px;
  }
}
