@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=Montserrat:wght@500;600;700&display=swap");

:root {
  --bg-ink: #0b0f14;
  --bg-slate: #111826;
  --bg-mist: #f4f7fb;
  --brand: #0ea5e9;
  --brand-2: #38bdf8;
  --accent: #22c55e;
  --gold: #f59e0b;
  --ink: #0f172a;
  --muted: #5b677a;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

* { box-sizing: border-box; }

body {
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg-mist);
  letter-spacing: 0.1px;
}

h1, h2, h3, h4, h5 {
  font-family: "Montserrat", "IBM Plex Sans", sans-serif;
}

.navbar {
  background: rgb(243, 244, 245);
  backdrop-filter: blur(10px);
}

.navbar .nav-link {
  color: rgba(26, 25, 25, 0.812) !important;
  font-weight: 500;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
  color: var(--brand-2) !important;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.6px;
}

.brand-badge span {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(130deg, var(--brand), var(--accent));
}

.brand-logo img {
  height: 38px;
  width: auto;
  display: block;
}

.hero {
  position: relative;
  color: var(--white);
  background: radial-gradient(circle at top left, #1f2937 0%, #0b0f14 65%);
  overflow: hidden;
  padding-top: 120px;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -180px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.35), transparent 70%);
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -200px;
  left: -160px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.28), transparent 68%);
}

.hero::before,
.hero::after {
  pointer-events: none;
}

.hero-graphic {
  position: absolute;
  inset: 0;
  background-image: url("../img/hero/index.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.5;
  pointer-events: none;
}

.hero-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 18px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
}

.hero-stat {
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.section {
  padding: 90px 0;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.section-title::before {
  content: "";
  width: 32px;
  height: 4px;
  background: linear-gradient(120deg, var(--brand), var(--accent));
  border-radius: 999px;
}

.card-soft {
  background: var(--white);
  border-radius: 18px;
  padding: 26px;
  border: 1px solid var(--border);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
}

.icon-bubble {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(14, 165, 233, 0.12);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.bg-ink {
  background: var(--bg-ink);
  color: var(--white);
}

.bg-ink .card-soft {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(148, 163, 184, 0.2);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.14);
  color: var(--brand);
  font-weight: 600;
  font-size: 0.85rem;
}

.case-card {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
}

.case-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.timeline {
  border-left: 2px solid rgba(148, 163, 184, 0.4);
  padding-left: 24px;
}

.timeline .item {
  margin-bottom: 26px;
  position: relative;
}

.timeline .item::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--brand);
  border-radius: 50%;
  position: absolute;
  left: -30px;
  top: 6px;
}

.contact-panel {
  background: linear-gradient(120deg, #0f172a, #0b1220);
  color: var(--white);
  border-radius: 20px;
  padding: 32px;
}

footer {
  background: #0b0f14;
  color: rgba(255, 255, 255, 0.7);
  padding: 50px 0;
}

footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

footer a:hover {
  color: var(--brand-2);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 600ms ease;
}

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

.lang-toggle button {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: var(--white);
}

.lang-toggle button.active {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--white);
}

/* 导航栏右侧：手机号 + 申请演示 */
.nav-actions {
  flex-shrink: 0;
}

.nav-phone {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: color 0.2s;
}

.nav-phone:hover {
  color: var(--brand);
}

.btn-trial {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: var(--white) !important;
  border: none;
  border-radius: 20px;
  padding: 6px 20px;
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  transition: box-shadow 0.2s, transform 0.2s;
}

.btn-trial:hover {
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.4);
  transform: translateY(-1px);
  color: var(--white) !important;
}

@media (max-width: 991.98px) {
  .nav-actions {
    margin-top: 12px;
    justify-content: center;
  }
}

.hero-simple {
  padding-bottom: 80px;
}

.value-list {
  display: grid;
  gap: 18px;
}

.value-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 14px;
  padding: 16px;
}

.value-item h6 {
  margin-bottom: 6px;
  font-weight: 600;
}

.value-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.pill-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.16);
  color: var(--brand-2);
  font-weight: 600;
  font-size: 0.75rem;
}

.value-dual {
  display: grid;
  gap: 14px;
}

.value-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 16px;
  padding: 16px;
}

.value-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.value-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

.value-tag {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.2);
  color: #8ef0b0;
  font-size: 0.72rem;
  font-weight: 600;
}

.value-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.value-tags span {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.25);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  font-weight: 600;
}

.hero-simple::after {
  background: radial-gradient(circle, rgba(34, 197, 94, 0.2), transparent 70%);
}

.hero-simple::before {
  background: radial-gradient(circle, rgba(56, 189, 248, 0.4), transparent 72%);
}

.hero-simple .container {
  position: relative;
  z-index: 1;
}

.role-card {
  background: var(--white);
  border-radius: 18px;
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  position: relative;
  overflow: hidden;
}

.role-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.45), rgba(34, 197, 94, 0.35));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.role-card ul {
  padding-left: 18px;
  margin-bottom: 10px;
}

.role-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: rgba(14, 165, 233, 0.12);
  color: var(--brand);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
}

.role-icon {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(14, 165, 233, 0.12);
  color: var(--brand);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-size: 22px 22px;
  background-repeat: no-repeat;
  background-position: center;
}

.role-icon-chain {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230ea5e9' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 7h-2a4 4 0 0 0 0 8h2'/%3E%3Cpath d='M16 7h2a4 4 0 1 1 0 8h-2'/%3E%3Cpath d='M8 12h8'/%3E%3C/svg%3E");
}

.role-icon-service {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230ea5e9' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 20h16'/%3E%3Cpath d='M7 20v-6a5 5 0 0 1 10 0v6'/%3E%3Cpath d='M12 8a3 3 0 1 0-3-3 3 3 0 0 0 3 3Z'/%3E%3C/svg%3E");
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
}

.flow-step {
  background: var(--white);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  text-align: center;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  position: relative;
}

.flow-step span {
  display: inline-block;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(14, 165, 233, 0.12);
  color: var(--brand);
  font-weight: 700;
  line-height: 36px;
  margin-bottom: 8px;
}

.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  width: 18px;
  height: 18px;
  border-top: 2px solid rgba(148, 163, 184, 0.6);
  border-right: 2px solid rgba(148, 163, 184, 0.6);
  transform: translateY(-50%) rotate(45deg);
}

.flow-timeline {
  display: flex;
  gap: 18px;
  position: relative;
  padding: 12px 0 6px;
  flex-wrap: wrap;
}

.flow-timeline::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 10px;
  right: 10px;
  height: 2px;
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.3), rgba(34, 197, 94, 0.3));
}

.flow-timeline .flow-step {
  flex: 1 1 160px;
  min-width: 160px;
  padding-top: 20px;
}

.flow-timeline .flow-step span {
  margin-top: -22px;
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(14, 165, 233, 0.4);
}

.flow-timeline .flow-step:not(:last-child)::after {
  display: none;
}

.solution-card {
  background: var(--white);
  border-radius: 16px;
  padding: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  height: 100%;
}

.solution-card h6 {
  font-weight: 600;
}

.solution-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.module-list {
  display: grid;
  gap: 16px;
}

.module-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.module-item {
  background: var(--white);
  border-radius: 16px;
  padding: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.module-item ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.value-grid {
  display: grid;
  gap: 12px;
}

.value-chip {
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.enablement-board {
  background: var(--white);
  border-radius: 20px;
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 20px;
}

.chain-solution .solution-card {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.06), rgba(34, 197, 94, 0.04));
  border-color: rgba(14, 165, 233, 0.2);
}

.chain-highlight {
  background: var(--white);
  border-radius: 16px;
  padding: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.provider-center {
  background: linear-gradient(120deg, rgba(14, 165, 233, 0.08), rgba(34, 197, 94, 0.05));
}

.provider-center .provider-image-container {
  position: relative;
  padding: 20px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.03), rgba(14, 165, 233, 0.02));
  border-radius: 16px;
  border: 1px solid rgba(34, 197, 94, 0.1);
}

.provider-center .provider-image-container img {
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
  transition: transform 300ms ease, box-shadow 300ms ease;
}

.provider-center .provider-image-container:hover img {
  transform: translateY(-4px);
  box-shadow: 0 28px 56px rgba(15, 23, 42, 0.16);
}

.badge-feature {
  display: inline-block;
  background: rgba(14, 165, 233, 0.08);
  color: var(--brand);
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid rgba(14, 165, 233, 0.2);
  transition: all 300ms ease;
}

.badge-feature:hover {
  background: rgba(14, 165, 233, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
}

.provider-highlight {
  background: var(--white);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 12px;
}

.highlight-metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.highlight-metric strong {
  font-size: 1.1rem;
  color: var(--brand);
}

.provider-center .enablement-board {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(148, 163, 184, 0.35);
}


.enablement-flow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

/* Chain solution — tech layout improvements */
.chain-solution {
  padding-top: 100px;
  padding-bottom: 90px;
}

.chain-solution .framework-image-container {
  position: relative;
  padding: 20px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.03), rgba(34, 197, 94, 0.02));
  border-radius: 16px;
  border: 1px solid rgba(14, 165, 233, 0.1);
}

.chain-solution .framework-image-container img {
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
  transition: transform 300ms ease, box-shadow 300ms ease;
}

.chain-solution .framework-image-container:hover img {
  transform: translateY(-4px);
  box-shadow: 0 28px 56px rgba(15, 23, 42, 0.16);
}

.chain-solution .lead-features {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.chain-solution .lead-features li {
  background: rgba(14, 165, 233, 0.06);
  color: var(--brand);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
}

.tech-card {
  min-height: 120px;
  border-left: 4px solid rgba(14,165,233,0.9);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.tech-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(15,23,42,0.12);
}

.tech-modules {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.tech-module {
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.tech-module:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(15,23,42,0.08);
}

.tech-stat h6 {
  font-weight: 700;
}

.tech-stat p {
  color: var(--muted);
}

.flow-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
  position: relative;
  overflow: hidden;
}

/* Make enablement cards fill their grid column and allow content to stretch */
.enablement-flow .flow-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.flow-card .stage-content {
  flex: 1 1 auto;
}

.flow-card ul {
  margin-top: 10px;
}

.flow-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  border: 1px solid rgba(14, 165, 233, 0.18);
  pointer-events: none;
}

.flow-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.flow-index {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(14, 165, 233, 0.12);
  color: var(--brand);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.flow-card ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.flow-sub {
  background: rgba(14, 165, 233, 0.06);
  border-radius: 12px;
  padding: 10px 12px;
  margin-top: 8px;
}

.flow-sub p {
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--ink);
}

.flow-sub ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section.bg-white {
  position: relative;
  overflow: hidden;
}

.section.bg-white::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -160px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.08), transparent 70%);
  pointer-events: none;
}

.section.bg-white::after {
  content: "";
  position: absolute;
  bottom: -140px;
  left: -140px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.08), transparent 70%);
  pointer-events: none;
}

/* 平台价值区域样式 */
.platform-value {
  background: linear-gradient(120deg, rgba(14, 165, 233, 0.04), rgba(34, 197, 94, 0.02));
}

.platform-framework-container {
  position: relative;
}

.platform-framework-img {
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
  transition: transform 300ms ease, box-shadow 300ms ease;
}

.platform-framework-img:hover {
  transform: translateY(-8px);
  box-shadow: 0 32px 64px rgba(15, 23, 42, 0.16);
}

.framework-highlights {
  margin-top: 24px;
}

.highlight-item {
  text-align: center;
  padding: 12px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.2);
  transition: transform 200ms ease, box-shadow 200ms ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.highlight-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  border-color: rgba(14, 165, 233, 0.3);
}

.highlight-icon {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.highlight-item h6 {
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 3px;
  font-size: 0.9rem;
}

.highlight-item p {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.3;
}

/* 流程步骤网格布局样式 */
.flow-steps-grid {
  position: relative;
  padding: 16px 0;
}

.flow-steps-grid .flow-step {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 16px 14px;
  text-align: left;
  transition: transform 200ms ease, box-shadow 200ms ease;
  min-height: 100px;
  position: relative;
  border-radius: 16px;
}

.flow-steps-grid .flow-step:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
  border-color: rgba(14, 165, 233, 0.3);
}

.flow-steps-grid .flow-step span {
  float: left;
  margin-right: 10px;
  margin-bottom: 0;
  margin-top: 2px;
  width: 32px;
  height: 32px;
  line-height: 32px;
  font-size: 0.85rem;
  display: inline-block;
  border-radius: 50%;
  background: rgba(14, 165, 233, 0.12);
  color: var(--brand);
  font-weight: 700;
  text-align: center;
}

.flow-steps-grid .flow-content {
  overflow: hidden;
}

.flow-steps-grid .flow-content h6 {
  margin-bottom: 3px;
  font-weight: 600;
  font-size: 0.95rem;
}

.flow-steps-grid .flow-content p {
  margin: 0;
  line-height: 1.3;
  font-size: 0.8rem;
}


@media (max-width: 991px) {
  .hero {
    padding-top: 100px;
  }

  .flow-timeline::before {
    display: none;
  }

  .enablement-flow {
    grid-template-columns: 1fr;
  }

  .flow-steps-grid .flow-step {
    text-align: center;
    margin-bottom: 20px;
  }

  .flow-steps-grid .flow-step span {
    float: none;
    margin-right: 0;
    margin-bottom: 8px;
    display: inline-block;
  }


  .framework-highlights .row .col-3 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

/* 产品中心 Hero 全屏背景图片 */
.products-hero {
  position: relative;
  min-height: 450px;
  overflow: hidden;
  padding-bottom: 90px;
}

/* 背景图片容器 */
.products-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.products-hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 图片未放置时的占位背景 */
.products-hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(34, 197, 94, 0.12));
  z-index: -1;
}

/* 深色遮罩层，确保文字可读性 */
.products-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg, 
    rgba(15, 23, 42, 0.75) 0%, 
    rgba(15, 23, 42, 0.45) 50%, 
    rgba(15, 23, 42, 0.65) 100%
  );
  z-index: 1;
}

.products-hero .container {
  position: relative;
  z-index: 2;
}

.products-hero h1 {
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.products-hero .lead {
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.text-white-75 {
  color: rgba(255, 255, 255, 0.85) !important;
}

/* 产品卡片 */
.product-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.07);
  transition: transform 300ms ease, box-shadow 300ms ease;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.13);
}

/* 图片区域：4:3 比例 */
.product-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, #e8f4fd, #eaf7f0);
}

.product-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.product-card:hover .product-img {
  transform: scale(1.04);
}

/* 图片未加载时显示的占位文字 */
.product-img-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.5px;
  z-index: -1;
}

/* 图片成功加载后隐藏占位文字 */
.product-img:not([src=""]) ~ .product-img-fallback {
  display: none;
}

.product-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-body h5 {
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}

.product-body .text-muted {
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 14px;
}

.product-features {
  list-style: none;
  padding: 0;
  margin: 0;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-features li {
  font-size: 0.88rem;
  color: var(--muted);
  padding-left: 18px;
  position: relative;
}

.product-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

/* ========== 客户案例页面样式 ========== */

/* 总览数据统计 */
.case-overview-stat {
  padding: 24px 16px;
  border-radius: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.case-overview-stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.1);
}

.case-stat-number {
  font-family: "Montserrat", sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(120deg, var(--brand), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.case-stat-label {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 500;
  margin-top: 4px;
}

/* 案例区块 */
.case-section {
  padding: 80px 0;
}

.case-section-alt {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.03), rgba(34, 197, 94, 0.02));
}

/* 案例编号标签 */
.case-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--brand);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

/* 项目情况卡片 */
.case-info-card {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
  height: 100%;
}

.case-info-title {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(14, 165, 233, 0.15);
  font-size: 1rem;
}

.case-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}

.case-info-item:not(:last-child) {
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.case-info-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.case-info-item strong {
  font-size: 1rem;
  color: var(--ink);
}

/* 解决方案卡片 */
.case-solution-card {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
  height: 100%;
}

.case-solution-item {
  padding: 12px 0;
}

.case-solution-item:not(:last-child) {
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.case-solution-name {
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.case-solution-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* 客户收益卡片 */
.case-benefit-card {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border-radius: 16px;
  padding: 24px;
  color: var(--white);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.15);
  height: 100%;
}

.case-benefit-card .case-info-title {
  color: var(--white);
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.case-benefit-item {
  padding: 14px 0;
}

.case-benefit-item:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.case-benefit-metric {
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-benefit-value {
  font-family: "Montserrat", sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}

.case-benefit-up {
  color: var(--accent);
}

.case-benefit-down {
  color: var(--brand-2);
}

.case-benefit-arrow {
  flex-shrink: 0;
}

.case-benefit-arrow.up {
  color: var(--accent);
}

.case-benefit-arrow.down {
  color: var(--brand-2);
}

.case-benefit-label {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
  font-weight: 500;
}

/* 转型前后对比表 */
.case-compare-card {
  background: var(--white);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.case-compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 12px;
  overflow: hidden;
}

.case-compare-table thead th {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: var(--white);
  padding: 14px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
}

.case-compare-table thead th:first-child {
  text-align: left;
}

.case-compare-table tbody td {
  padding: 14px 20px;
  font-size: 0.92rem;
  text-align: center;
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.case-compare-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
}

.case-compare-table tbody td.before {
  color: var(--muted);
}

.case-compare-table tbody td.after {
  color: var(--brand);
  font-weight: 700;
}

.case-compare-table tbody tr:last-child td {
  border-bottom: none;
}

.case-compare-table tbody tr:hover {
  background: rgba(14, 165, 233, 0.04);
}

@media (max-width: 991px) {
  .case-section {
    padding: 50px 0;
  }

  .case-stat-number {
    font-size: 1.6rem;
  }

  .case-benefit-value {
    font-size: 1.4rem;
  }
}

/* ========== 关于我们 - 产品迭代发展历程 ========== */

.about-timeline-section {
  background: linear-gradient(180deg, var(--bg-mist) 0%, #fff 100%);
}

.about-timeline {
  position: relative;
  padding: 20px 0 0;
}

.about-timeline-track {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.15), rgba(14, 165, 233, 0.4), rgba(34, 197, 94, 0.4));
  border-radius: 2px;
  z-index: 0;
}

.about-timeline-items {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.about-timeline-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 8px;
}

.about-timeline-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--brand);
  margin-bottom: 8px;
  position: relative;
  z-index: 2;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.about-timeline-dot-highlight {
  width: 22px;
  height: 22px;
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.2);
}

.about-timeline-dot-accent {
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.2);
}

.about-timeline-year {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 12px;
}

.about-timeline-card {
  background: var(--white);
  border-radius: 14px;
  padding: 18px 16px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
  width: 100%;
  text-align: left;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.about-timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.1);
}

.about-timeline-card-highlight {
  border-color: rgba(14, 165, 233, 0.3);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.04), rgba(255, 255, 255, 1));
}

.about-timeline-card-accent {
  border-color: rgba(34, 197, 94, 0.3);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.06), rgba(255, 255, 255, 1));
}

.about-timeline-phase {
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.about-timeline-card-accent .about-timeline-phase {
  color: var(--accent);
}

.about-timeline-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.about-timeline-tag {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--brand);
  font-weight: 600;
  font-size: 0.78rem;
}

.about-timeline-features {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.about-timeline-features li {
  font-size: 0.82rem;
  color: var(--muted);
  padding-left: 18px;
  position: relative;
}

.about-timeline-features li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ========== 关于我们 - 合作伙伴 ========== */

.about-partners-section {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.03), rgba(34, 197, 94, 0.02));
}

.partner-card {
  background: var(--white);
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
  text-align: center;
  height: 100%;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.partner-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.1);
}

.partner-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.partner-icon-gold {
  background: rgba(245, 158, 11, 0.1);
  color: var(--gold);
}

.partner-icon-accent {
  background: rgba(34, 197, 94, 0.1);
  color: var(--accent);
}

.partner-card h5 {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.partner-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 991px) {
  .about-timeline-items {
    flex-direction: column;
    gap: 24px;
  }

  .about-timeline-track {
    top: 0;
    bottom: 0;
    left: 20px;
    right: auto;
    width: 4px;
    height: auto;
  }

  .about-timeline-item {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    padding: 0 0 0 50px;
    position: relative;
  }

  .about-timeline-dot {
    position: absolute;
    left: 12px;
    top: 4px;
    margin-bottom: 0;
  }

  .about-timeline-year {
    position: absolute;
    left: 50px;
    top: 0;
  }

  .about-timeline-card {
    margin-top: 28px;
  }
}

/* ========== 核心价值观 - 横向图标卡片 ========== */

.value-icon-card {
  background: var(--white);
  border-radius: 16px;
  padding: 28px 18px 24px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  text-align: center;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.value-icon-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.12);
}

.value-icon-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  opacity: 0;
  transition: opacity 240ms ease;
}

.value-icon-card:hover::after {
  opacity: 1;
}

.value-icon-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(14, 165, 233, 0.1);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: background 240ms ease, color 240ms ease;
}

.value-icon-card:hover .value-icon-circle {
  background: var(--brand);
  color: var(--white);
}

.value-icon-card h6 {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.value-icon-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* 案例页 Hero 重设计 */
.cases-hero {
  min-height: 460px;
  padding-top: 120px;
  padding-bottom: 80px;
}

/* 大数字标题行 */
.cases-hero-headline {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
  line-height: 1.1;
}

.cases-hero-number {
  font-family: "Montserrat", sans-serif;
  font-size: 3.8rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
}

.cases-hero-number-suffix {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

/* 副标题 */
.cases-hero-sub {
  font-size: 1.05rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 40px;
  max-width: 560px;
  line-height: 1.7;
}

/* 统计数据行 */
.cases-hero-stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}

.cases-hero-stat {
  padding: 0 28px;
}

.cases-hero-stat:first-child {
  padding-left: 0;
}

.cases-hero-stat-row {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.cases-hero-stat-num {
  font-family: "Montserrat", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--brand-2);
  line-height: 1;
}

.cases-hero-stat-unit {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
}

.cases-hero-stat-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 6px;
  white-space: nowrap;
}

/* 分隔线 */
.cases-hero-stat-divider {
  width: 1px;
  height: 44px;
  background: rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

/* 响应式 */
@media (max-width: 576px) {
  .cases-hero-number {
    font-size: 2.8rem;
  }
  .cases-hero-number-suffix {
    font-size: 1.2rem;
  }
  .cases-hero-stat-num {
    font-size: 1.5rem;
  }
  .cases-hero-stat {
    padding: 0 16px;
  }
  .cases-hero-stats {
    gap: 8px 0;
  }
}

/* 首页 Hero 背景图区域中间文字 */
.hero-motto {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  z-index: 1;
  white-space: nowrap;
}

.hero-motto strong {
  display: block;
  font-family: "Montserrat", "IBM Plex Sans", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 6px;
  line-height: 1.2;
}

.hero-motto span {
  display: block;
  font-size: 0.82rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.38);
  letter-spacing: 4px;
  margin-top: 10px;
}