:root {
  --ink: #0f1923;
  --navy: #1b3a5c;
  --navy-2: #2a5a8c;
  --gold: #e8a838;
  --gold-2: #d49530;
  --green: #2f7d5a;
  --paper: #ffffff;
  --mist: #f5f7fa;
  --line: #dde4ec;
  --muted: #5f6d7a;
  --shadow: 0 18px 50px rgba(15, 25, 35, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "IBM Plex Sans", "IBM Plex Sans SC", "IBM Plex Sans TC", "IBM Plex Sans JP", "IBM Plex Sans KR", "IBM Plex Sans Thai", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background: var(--paper);
}

a {
  color: inherit;
}

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.top-bar {
  color: #d4d9df;
  background: var(--ink);
  font-size: 13px;
}

.top-bar .container {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.top-bar a {
  color: #d4d9df;
  text-decoration: none;
}

.top-bar a:hover {
  color: var(--gold);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
}

.top-bar-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.28);
}

.lang-btn {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 3px;
  padding: 3px 10px;
  color: #f0f3f6;
  background: rgba(255, 255, 255, 0.08);
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.lang-btn svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
}

.lang-switcher {
  position: relative;
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 60;
  min-width: 158px;
  padding: 4px;
  background: #1a2a3a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.3);
}

.lang-dropdown.show {
  display: block;
}

.lang-option {
  width: 100%;
  display: block;
  border: 0;
  border-radius: 3px;
  padding: 8px 11px;
  color: rgba(255, 255, 255, 0.86);
  background: transparent;
  font: inherit;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
}

.lang-option:hover,
.lang-option.active {
  color: #fff;
  background: rgba(232, 168, 56, 0.18);
}

.header-lang {
  display: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(221, 228, 236, 0.88);
  backdrop-filter: blur(14px);
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  min-width: 0;
}

.logo-icon {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: block;
}

.logo-text {
  display: block;
  color: var(--navy);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.logo-tagline {
  display: block;
  margin-top: -2px;
  color: #666666;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--navy-2);
}

.nav-links .btn {
  color: #fff;
}

.nav-links .btn:hover {
  color: #fff;
}

.nav-links a:not(.btn) {
  position: relative;
}

.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.18s ease;
}

.nav-links a:not(.btn):hover::after {
  width: 100%;
}

.section-jump {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.section-jump-links {
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-jump-links a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 7px 14px;
  color: var(--navy);
  background: var(--mist);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.section-jump-links a:hover {
  border-color: rgba(232, 168, 56, 0.62);
  color: var(--ink);
  background: #fff8e8;
}

.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  position: relative;
  color: #fff;
  background-position: center;
  background-size: cover;
  overflow: hidden;
}

.market-hero {
  min-height: min(680px, calc(100vh - 124px));
}

.market-hero .hero-content {
  padding: 50px 0 38px;
}

.market-hero h1 {
  font-size: clamp(34px, 4vw, 48px);
  max-width: 780px;
}

.market-hero .hero-copy {
  max-width: 700px;
  font-size: clamp(16px, 1.55vw, 19px);
}

.market-hero .hero-actions {
  margin-top: 26px;
}

.market-hero .hero-facts {
  margin-top: 22px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(15, 25, 35, 0.9) 0%, rgba(27, 58, 92, 0.72) 52%, rgba(15, 25, 35, 0.28) 100%),
    linear-gradient(0deg, rgba(15, 25, 35, 0.62), rgba(15, 25, 35, 0.04));
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.hero-content {
  position: relative;
  width: min(760px, 100%);
  padding: 92px 0 86px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: #ffe3a5;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--gold);
}

h1 {
  margin: 0;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.06;
  letter-spacing: 0;
  text-transform: uppercase;
  max-width: 900px;
}

html[lang="zh-CN"] h1,
html[lang="zh-TW"] h1,
html[lang="ja"] h1,
html[lang="ko"] h1 {
  font-size: clamp(34px, 4.7vw, 56px);
  line-height: 1.12;
}

.hero-copy {
  max-width: 660px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 1.8vw, 21px);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: var(--gold);
}

.btn-primary:hover {
  background: var(--gold-2);
}

.btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.06);
}

.btn-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.btn-dark {
  color: #fff;
  background: var(--navy);
}

.btn-dark:hover {
  background: var(--navy-2);
}

.nav-cta {
  min-height: 44px;
  padding: 11px 24px;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero-facts span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 700;
}

.proof-strip {
  position: relative;
  margin-top: -38px;
  z-index: 5;
}

.section-jump + .section {
  padding-top: 74px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.proof-item {
  padding: 24px 22px;
  border-right: 1px solid var(--line);
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item strong {
  display: block;
  color: var(--navy);
  font-size: 24px;
  line-height: 1;
}

.proof-item span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.section {
  padding: 86px 0;
}

.section-soft {
  background: var(--mist);
}

.section-dark {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(15, 25, 35, 0.92), rgba(27, 58, 92, 0.9)),
    var(--navy);
}

.section-head {
  max-width: 760px;
  margin-bottom: 42px;
}

.label {
  margin-bottom: 11px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(29px, 4vw, 44px);
  line-height: 1.08;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-dark h2,
.section-dark .section-lead {
  color: #fff;
}

.section-lead {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  max-width: 720px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 44px;
  align-items: start;
}

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

.photo {
  min-height: 280px;
  overflow: hidden;
  border-radius: 8px;
  background: #d9e0e7;
}

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

.photo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.photo-row .photo {
  min-height: 190px;
}

.spec-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.spec-row {
  display: grid;
  grid-template-columns: 190px 1fr;
  border-bottom: 1px solid var(--line);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-key,
.spec-value {
  margin: 0;
  padding: 17px 20px;
}

.spec-key {
  color: var(--navy);
  background: #f8fafc;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.spec-value {
  color: #283847;
  font-size: 15px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(15, 25, 35, 0.05);
}

.section-dark .card {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.card-kicker {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-dark .card-kicker {
  color: #ffe3a5;
}

.card h3 {
  margin: 10px 0 8px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.2;
}

.section-dark .card h3 {
  color: #fff;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.section-dark .card p {
  color: rgba(255, 255, 255, 0.76);
}

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

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(15, 25, 35, 0.04);
}

.faq-item summary {
  padding: 18px 20px;
  color: var(--navy);
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
}

.faq-item p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
  font-size: 15px;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.step {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.step-number {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #fff;
  background: var(--navy);
  font-size: 13px;
  font-weight: 900;
}

.step h3 {
  margin: 18px 0 8px;
  color: var(--navy);
  font-size: 18px;
}

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

.quote-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1fr);
  gap: 40px;
  align-items: start;
}

.quote-copy {
  color: rgba(255, 255, 255, 0.82);
}

.quote-copy h2 {
  color: #fff;
}

.quote-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.quote-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 700;
}

.quote-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--gold);
  flex: 0 0 auto;
}

.lead-form {
  border: 1px solid var(--line);
  border-top: 4px solid var(--gold);
  border-radius: 8px;
  padding: 28px;
  background: #fff;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-field {
  margin-bottom: 15px;
}

.form-field label {
  display: block;
  margin-bottom: 7px;
  color: #233342;
  font-size: 13px;
  font-weight: 800;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 45px;
  border: 1px solid #ccd6e0;
  border-radius: 4px;
  padding: 11px 12px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

.form-field textarea {
  min-height: 104px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(232, 168, 56, 0.3);
  border-color: var(--gold);
}

.full {
  grid-column: 1 / -1;
}

.form-note {
  margin: 12px 0 0;
  color: #788491;
  font-size: 12px;
}

.form-note a {
  color: var(--navy);
}

.site-footer {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.72);
  background: var(--ink);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
}

.footer-inner a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--gold);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.sticky-mobile-cta {
  display: none;
}

.hub {
  min-height: 100vh;
  padding: 72px 0;
  background: var(--mist);
}

.hub h1 {
  color: var(--ink);
  font-size: clamp(34px, 5vw, 58px);
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 34px;
}

@media (max-width: 980px) {
  .nav-links a:not(.btn) {
    display: none;
  }

  .proof-grid,
  .cards,
  .process,
  .hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col,
  .quote-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .top-bar {
    display: none;
  }

  .container {
    width: min(100% - 28px, 1180px);
  }

  .nav {
    height: 64px;
  }

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

  .logo-text {
    font-size: 21px;
  }

  .nav-links {
    gap: 10px;
  }

  .nav-links .header-lang {
    display: block;
  }

  .nav-links .header-lang .lang-btn {
    min-height: 42px;
    padding: 10px 12px;
    color: var(--ink);
    background: #fff;
    border-color: var(--line);
  }

  .nav-links .header-lang .lang-btn:hover {
    border-color: var(--gold);
  }

  .nav-links .btn {
    min-height: 42px;
    padding: 10px 13px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    background: linear-gradient(90deg, rgba(15, 25, 35, 0.92), rgba(27, 58, 92, 0.76));
  }

  .hero-content {
    padding: 74px 0 76px;
  }

  h1 {
    font-size: clamp(31px, 10vw, 42px);
    line-height: 1.08;
  }

  html[lang="zh-CN"] h1,
  html[lang="zh-TW"] h1,
  html[lang="ja"] h1,
  html[lang="ko"] h1 {
    font-size: clamp(29px, 9vw, 40px);
    line-height: 1.14;
  }

  .hero-facts {
    display: none;
  }

  .proof-strip {
    margin-top: -30px;
  }

  .proof-grid,
  .cards,
  .process,
  .hub-grid,
  .photo-row {
    grid-template-columns: 1fr;
  }

  .proof-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-item:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 62px 0;
  }

  .spec-row {
    grid-template-columns: 1fr;
  }

  .spec-key,
  .spec-value {
    padding: 13px 16px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .lead-form {
    padding: 22px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .sticky-mobile-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    background: var(--ink);
  }

  .sticky-mobile-cta a {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
  }

  .sticky-mobile-cta a:last-child {
    border-right: 0;
    background: var(--gold);
  }

  body {
    padding-bottom: 54px;
  }
}