:root {
  --m3-primary: #1967d2;
  --m3-on-primary: #ffffff;
  --m3-secondary: #185abc;
  --m3-surface: #f6f9fe;
  --m3-surface-1: #edf3fd;
  --m3-surface-2: #ffffff;
  --m3-outline: #d3deef;
  --m3-text: #0f172a;
  --m3-text-muted: #3d4f6a;
  --m3-hero-a: #133a85;
  --m3-hero-b: #1f56bd;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
  color: var(--m3-text);
  background:
    radial-gradient(960px 430px at 100% -35%, rgba(25, 103, 210, 0.11), transparent 62%),
    radial-gradient(820px 380px at -8% 16%, rgba(67, 127, 233, 0.1), transparent 56%),
    var(--m3-surface);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: #0f172a;
}

h1 {
  font-size: clamp(44px, 3.9vw, 68px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
}

h2 {
  font-size: clamp(30px, 2.1vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 700;
}

h3 {
  font-size: clamp(22px, 1.45vw, 30px);
  line-height: 1.24;
  font-weight: 700;
}

p {
  margin: 0;
  font-size: clamp(17px, 1.04vw, 19px);
  line-height: 1.72;
  color: var(--m3-text-muted);
}

a {
  color: var(--m3-primary);
}

.ly-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(202, 216, 238, 0.72);
  background: rgba(246, 249, 254, 0.86);
  backdrop-filter: blur(10px);
}

.ly-header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.ly-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #0f172a;
  font-size: clamp(30px, 1.72vw, 36px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.ly-brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  object-fit: contain;
  flex-shrink: 0;
  box-shadow: 0 6px 14px rgba(25, 63, 126, 0.15);
}

.ly-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.ly-nav a {
  text-decoration: none;
  color: #1b2940;
  font-size: 17px;
  line-height: 1;
  font-weight: 700;
}

.ly-nav a:hover {
  color: #0f172a;
}

.ly-nav-cta {
  padding: 11px 18px;
  border-radius: 12px;
  color: var(--m3-on-primary) !important;
  background: linear-gradient(145deg, #1967d2, #3b82f6);
  box-shadow: 0 8px 18px rgba(25, 103, 210, 0.28);
}

.ly-section {
  padding: 82px 0;
}

.ly-section-alt {
  background: #edf3fb;
  border-top: 1px solid #dde5f2;
  border-bottom: 1px solid #dde5f2;
}

.ly-eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  color: #1b4ba1;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

.ly-hero {
  padding: 58px 0 48px;
}

.ly-hero .ly-grid {
  align-items: start;
}

.ly-hero-copy {
  max-width: 980px;
}

.ly-hero-copy h1 {
  max-width: 12.2em;
  margin-bottom: 22px;
}

.ly-hero-copy p {
  max-width: 28em;
}

.ly-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 30px 0 20px;
}

.ly-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 12px;
  border: 0;
  font-size: 17px;
  line-height: 1;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 180ms ease, filter 180ms ease;
}

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

.ly-btn-primary {
  color: var(--m3-on-primary);
  background: linear-gradient(145deg, #1967d2, #3b82f6);
  box-shadow: 0 10px 20px rgba(25, 103, 210, 0.3);
}

.ly-btn-secondary {
  color: #123a84;
  background: #dfe9fb;
  box-shadow: inset 0 0 0 1px rgba(86, 109, 149, 0.12);
}

.ly-trust-inline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ly-trust-inline li {
  padding: 10px 15px;
  border-radius: 999px;
  font-size: 15px;
  line-height: 1;
  font-weight: 700;
  color: #163870;
  background: #dee8fa;
}

.ly-hero-panel {
  align-self: start;
  padding: 28px 30px;
  min-height: 380px;
  border-radius: 24px;
  color: #f4f8ff;
  background:
    linear-gradient(180deg, var(--m3-hero-a) 0%, var(--m3-hero-b) 100%);
  box-shadow: 0 16px 32px rgba(17, 42, 96, 0.25);
}

.ly-hero-panel h2 {
  color: #f4f8ff;
  margin-bottom: 20px;
  font-size: clamp(36px, 2.2vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.ly-hero-panel ol {
  margin: 0;
  padding-left: 1.05em;
  display: grid;
  gap: 18px;
  font-size: clamp(20px, 1.28vw, 24px);
  line-height: 1.4;
  font-weight: 600;
}

.ly-card,
.ly-proof,
.ly-form,
.ly-state-box {
  border-radius: 20px;
  border: 1px solid var(--m3-outline);
  background: var(--m3-surface-2);
  box-shadow: 0 5px 14px rgba(16, 32, 62, 0.08);
}

.ly-card,
.ly-proof {
  padding: 28px;
}

.ly-card p,
.ly-proof p {
  margin-top: 10px;
  font-size: clamp(18px, 1.04vw, 22px);
}

.ly-proof strong {
  display: block;
  font-size: clamp(42px, 2.1vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #0f172a;
}

.ly-final-cta {
  text-align: center;
  background: linear-gradient(180deg, #e8f0fd, #edf5ff);
  border-top: 1px solid #d5dfef;
}

.ly-final-cta h2 {
  margin-bottom: 22px;
}

.ly-form {
  padding: 24px;
  display: grid;
  gap: 14px;
}

.ly-form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  color: #0f172a;
}

.ly-form input,
.ly-form select {
  min-height: 46px;
  border-radius: 12px;
  border: 1px solid #b8c5da;
  background: #ffffff;
  padding: 0 12px;
  font: inherit;
}

.ly-form input:focus,
.ly-form select:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.ly-check {
  display: flex !important;
  gap: 10px;
  align-items: center;
  font-size: 14px;
}

.ly-check input {
  width: 18px;
  height: 18px;
}

#lead-message {
  min-height: 20px;
  margin: 0;
  font-weight: 600;
}

#lead-message.error {
  color: #b42318;
}

#lead-message.success {
  color: #027a48;
}

.ly-state-box {
  padding: 16px;
}

.ly-note-list {
  margin: 0;
  padding-left: 22px;
  color: #334155;
}

.ly-note-list li {
  margin-bottom: 8px;
  line-height: 1.65;
}

.ly-values-intro {
  margin: 12px 0 24px;
  max-width: 58em;
}

.ly-values-grid .ly-card {
  position: relative;
  overflow: hidden;
}

.ly-values-grid .ly-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, #1d4ed8, #60a5fa);
  opacity: 0.85;
}

.ly-values-grid .ly-card h3 {
  font-size: clamp(20px, 1.2vw, 24px);
  margin-bottom: 4px;
}

.ly-values-grid .ly-card p {
  font-size: 17px;
  line-height: 1.62;
}

.ly-grit-grid {
  align-items: stretch;
  gap: 20px;
}

.ly-grit-card {
  background: linear-gradient(180deg, #f8fbff, #edf4ff);
}

.ly-grit-image-card {
  display: grid;
  gap: 14px;
  align-content: start;
}

.ly-grit-image {
  width: 100%;
  min-height: 280px;
  border-radius: 14px;
  border: 1px solid #d4deed;
  object-fit: cover;
  display: block;
  background: #e7eef9;
}

.ly-grit-image-card p {
  margin-top: 0;
  font-size: 16px;
  line-height: 1.68;
}

.ly-grit-summary {
  margin-top: 12px;
  color: #1e3a66;
  font-weight: 600;
}

.ly-grit-section h2 {
  margin-bottom: 6px;
}

.ly-eyebrow-zh {
  letter-spacing: 0.04em;
  text-transform: none;
  font-size: 14px;
}

.ly-grit-intro {
  margin: 0 0 18px;
  font-size: 30px;
  font-weight: 700;
  color: #1f3f70;
  line-height: 1.25;
}

.ly-grit-subtitle {
  margin: -6px 0 18px;
  font-size: 22px;
  font-weight: 700;
  color: #2f4f7f;
}

.ly-grit-acronym {
  margin: 6px 0 10px;
  padding-left: 22px;
  color: #264772;
}

.ly-grit-acronym li {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.5;
}

.ly-grit-tail {
  margin-top: 12px;
  font-size: 17px;
  color: #21416f;
  font-weight: 600;
}

.ly-cases-grid {
  gap: 22px;
}

.ly-cases-title {
  font-size: clamp(44px, 2.6vw, 56px);
  line-height: 1.16;
  margin-bottom: 24px;
}

.ly-service-focus-title {
  margin-bottom: 24px;
}

.ly-case-card {
  display: block;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid #d3deef;
  background: #fdfefe;
  box-shadow: 0 10px 26px rgba(19, 37, 72, 0.08);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.ly-case-card:hover {
  transform: translateY(-6px);
  border-color: #8bb0ea;
  box-shadow: 0 22px 42px rgba(20, 56, 120, 0.2);
}

.ly-case-card-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.ly-case-card-link:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}

.ly-case-cover {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  display: block;
  background: #e7eef9;
}

.ly-case-body {
  padding: 18px 20px 20px;
}

.ly-case-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 14px;
  color: #536889;
}

.ly-case-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #1d4ed8;
  display: inline-block;
}

.ly-case-title {
  margin: 0 0 8px;
  font-size: clamp(22px, 1.5vw, 28px);
  line-height: 1.25;
}

.ly-case-summary {
  margin-bottom: 10px;
}

.ly-case-field {
  margin-bottom: 6px;
  color: #3b4b64;
  font-size: 15px;
  line-height: 1.6;
}

.ly-case-field strong {
  color: #112444;
}

.ly-case-list {
  margin: 8px 0 14px;
  padding-left: 22px;
  color: #32445f;
}

.ly-case-list li {
  margin-bottom: 6px;
}

.ly-case-detail-cover {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 16px;
  background: #e8eef8;
}

.ly-contact-card {
  padding: 24px;
}

.ly-contact-card h2 {
  margin-bottom: 12px;
  font-size: clamp(24px, 1.6vw, 30px);
}

.ly-contact-card p {
  margin-bottom: 8px;
  font-size: 16px;
}

.ly-contact-card .ly-btn {
  margin-top: 8px;
}

.ly-contact-map {
  width: 100%;
  height: 360px;
  margin-top: 16px;
  border-radius: 12px;
  border: 1px solid #d4deed;
  display: block;
  object-fit: cover;
}

.ly-contact-shell {
  align-items: start;
}

.ly-contact-left {
  padding-right: 0;
}

.ly-contact-right {
  display: grid;
  gap: 16px;
  padding-left: 0;
  border-left: 0;
}

.ly-contact-map-col {
  padding-left: 0;
}

.ly-contact-map-card {
  padding: 24px;
}

.ly-contact-map-card .ly-btn {
  margin-bottom: 12px;
}

.ly-contact-map-canvas {
  width: 100%;
  height: 460px;
  border-radius: 14px;
  border: 1px solid #d4deed;
  overflow: hidden;
  background: #e7eef9;
}

@media (min-width: 1280px) {
  .ly-contact-map-canvas {
    height: 540px;
  }
}

.ly-site-footer {
  padding: 26px 0;
  border-top: 1px solid #d9e5f5;
  background: #f4f8ff;
}

.ly-site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #4b5d7a;
  font-size: 13px;
  line-height: 1.6;
}

.ly-beian-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #4b5d7a;
  text-decoration: none;
}

.ly-beian-link img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.ly-beian-link:hover {
  color: #1d4ed8;
}

.ly-beian-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
}

@media (max-width: 1023px) {
  h1 {
    font-size: clamp(40px, 6.8vw, 56px);
    line-height: 1.12;
  }

  h2 {
    font-size: clamp(30px, 4.1vw, 40px);
  }

  p {
    font-size: clamp(16px, 2.1vw, 18px);
  }

  .ly-section {
    padding: 72px 0;
  }

  .ly-header-inner {
    min-height: 72px;
  }

  .ly-brand {
    font-size: 30px;
  }

  .ly-brand img {
    width: 30px;
    height: 30px;
  }

  .ly-nav {
    gap: 14px;
  }

  .ly-nav a {
    font-size: 15px;
  }

  .ly-nav-cta {
    padding: 10px 16px;
  }

  .ly-btn {
    font-size: 16px;
    padding: 13px 18px;
  }

  .ly-trust-inline li {
    font-size: 14px;
    padding: 9px 14px;
  }

  .ly-hero {
    padding: 44px 0 48px;
  }

  .ly-hero-copy {
    max-width: none;
  }

  .ly-hero-copy h1 {
    max-width: 12em;
    margin-bottom: 24px;
  }

  .ly-hero-panel {
    min-height: 0;
    margin-top: 4px;
    padding: 28px;
  }

  .ly-hero-panel h2 {
    font-size: clamp(30px, 4.2vw, 40px);
    margin-bottom: 16px;
  }

  .ly-hero-panel ol {
    font-size: clamp(19px, 2.7vw, 24px);
    gap: 12px;
  }

  .ly-contact-left {
    padding-right: 0;
  }

  .ly-contact-right {
    padding-left: 0;
    border-left: 0;
  }

  .ly-contact-map-col {
    padding-left: 0;
  }

  .ly-contact-map-canvas {
    height: 380px;
  }
}

@media (max-width: 767px) {
  .ly-site-header {
    position: relative;
  }

  .ly-header-inner {
    min-height: 0;
    padding-top: 14px;
    padding-bottom: 14px;
    flex-direction: column;
    align-items: flex-start;
  }

  .ly-brand {
    font-size: 28px;
    gap: 10px;
  }

  .ly-brand img {
    width: 28px;
    height: 28px;
  }

  .ly-nav {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .ly-nav a {
    min-height: 42px;
    border-radius: 10px;
    background: #e9eef7;
    justify-content: center;
    align-items: center;
    display: inline-flex;
    font-size: 15px;
  }

  .ly-nav-cta {
    grid-column: 1 / -1;
  }

  h1 {
    font-size: clamp(36px, 9.2vw, 48px);
  }

  p {
    font-size: clamp(16px, 4.2vw, 18px);
  }

  .ly-eyebrow {
    font-size: 15px;
    letter-spacing: 0.12em;
  }

  .ly-cta-row {
    margin: 24px 0 18px;
  }

  .ly-btn {
    width: 100%;
    font-size: 16px;
    padding: 13px 16px;
  }

  .ly-trust-inline li {
    font-size: 14px;
  }

  .ly-hero-panel {
    border-radius: 22px;
    padding: 22px;
  }

  .ly-hero-panel h2 {
    font-size: clamp(28px, 8.3vw, 36px);
  }

  .ly-hero-panel ol {
    font-size: clamp(17px, 4.8vw, 20px);
    line-height: 1.45;
  }

  .ly-site-footer-inner {
    justify-content: flex-start;
    font-size: 12px;
  }

  .ly-case-cover {
    aspect-ratio: 16 / 9;
  }
}