:root {
  --bg0: #f6f8ff;
  --bg1: #ffffff;
  --surface: rgba(255, 255, 255, 0.92);
  --surface2: rgba(255, 255, 255, 0.75);
  --border: rgba(15, 23, 42, 0.10);
  --text: rgba(15, 23, 42, 0.95);
  --muted: rgba(71, 85, 105, 0.88);
  --muted2: rgba(100, 116, 139, 0.82);
  --primary: #1e5af7;
  --primary2: #06b6d4;
  --shadow: 0 22px 55px -32px rgba(15, 23, 42, 0.22);
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1100px 680px at 15% 0%, rgba(30, 90, 247, 0.10), transparent 60%),
              radial-gradient(900px 520px at 85% 10%, rgba(6, 182, 212, 0.10), transparent 55%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  color: var(--text);
  overflow-x: hidden;
}

a {
  color: inherit;
}

main {
  display: block;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 28px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px 0;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.nav-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.4px;
  background: linear-gradient(120deg, var(--primary2), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  color: rgba(15, 23, 42, 0.78);
  padding: 10px 12px;
  border-radius: 999px;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-links a:hover {
  background: rgba(30, 90, 247, 0.08);
  transform: translateY(-1px);
}

.nav-links a.is-active {
  background: rgba(30, 90, 247, 0.12);
  color: rgba(15, 23, 42, 0.94);
  box-shadow: 0 10px 24px -18px rgba(30, 90, 247, 0.35);
}

.btn-download-nav {
  background: linear-gradient(120deg, rgba(30, 90, 247, 0.95), rgba(6, 182, 212, 0.92));
  color: rgba(255, 255, 255, 0.98) !important;
  padding: 10px 16px !important;
  border-radius: 999px;
  box-shadow: 0 18px 35px -26px rgba(30, 90, 247, 0.45);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.btn-primary, .btn-outline {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  padding: 13px 18px;
  font-weight: 900;
  letter-spacing: -0.2px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn-primary {
  background: linear-gradient(120deg, rgba(30, 90, 247, 0.98), rgba(6, 182, 212, 0.92));
  color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 24px 55px -38px rgba(30, 90, 247, 0.35);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(15, 23, 42, 0.10);
  color: rgba(15, 23, 42, 0.88);
}

.btn-primary:hover, .btn-outline:hover {
  transform: translateY(-2px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(30, 90, 247, 0.20);
}

.hero {
  margin-top: 86px;
  padding: 70px 0 26px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(1100px 560px at 35% 20%, rgba(30, 90, 247, 0.12), transparent 60%),
              radial-gradient(900px 520px at 80% 30%, rgba(6, 182, 212, 0.12), transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr;
  gap: 34px;
  align-items: start;
}

.global-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(15, 23, 42, 0.10);
  color: rgba(15, 23, 42, 0.78);
  font-weight: 800;
  font-size: 0.92rem;
}

.hero-left h1 {
  margin: 18px 0 14px;
  font-size: 3.1rem;
  line-height: 1.12;
  font-weight: 950;
  letter-spacing: -1.1px;
  color: rgba(15, 23, 42, 0.96);
}

.hero-desc {
  margin: 0;
  max-width: 640px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--muted);
}

.hero-right {
  display: flex;
  align-items: stretch;
}

.hero-card {
  width: 100%;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.10);
  box-shadow: var(--shadow);
  padding: 18px;
}

.hero-card-title {
  font-weight: 950;
  color: rgba(15, 23, 42, 0.92);
  letter-spacing: -0.3px;
}

.hero-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 14px 0 14px;
}

.hero-kpi {
  border-radius: 16px;
  background: rgba(30, 90, 247, 0.06);
  border: 1px solid rgba(30, 90, 247, 0.10);
  padding: 12px 12px;
  text-align: center;
}

.kpi-num {
  font-weight: 950;
  font-size: 1.05rem;
  color: rgba(15, 23, 42, 0.92);
}

.kpi-label {
  margin-top: 4px;
  font-weight: 800;
  font-size: 0.85rem;
  color: rgba(100, 116, 139, 0.90);
}

.hero-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 10px;
}

.hero-quick-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 16px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 42, 0.10);
  color: rgba(15, 23, 42, 0.88);
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.hero-quick-link:hover {
  transform: translateY(-1px);
  border-color: rgba(30, 90, 247, 0.20);
  box-shadow: 0 18px 45px -34px rgba(30, 90, 247, 0.28);
}

.hero-note {
  margin-top: 12px;
  color: rgba(100, 116, 139, 0.92);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.6;
}

.workbench-section {
  padding: 8px 0 76px;
}

.workbench-head {
  text-align: center;
  margin: 18px auto 18px;
}

.workbench-title {
  font-size: 1.9rem;
  font-weight: 950;
  letter-spacing: -0.8px;
  color: rgba(15, 23, 42, 0.92);
}

.workbench-sub {
  margin-top: 10px;
  color: rgba(71, 85, 105, 0.90);
  font-weight: 700;
}

.tech-workbench {
  width: 100%;
  border-radius: 34px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.10);
  box-shadow: var(--shadow);
}

.wb-window {
  width: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(15, 23, 42, 0.10);
  box-shadow: 0 18px 45px -36px rgba(15, 23, 42, 0.22);
}

.wb-topbar {
  display: grid;
  grid-template-columns: 120px 1fr 120px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, rgba(246, 248, 255, 0.95), rgba(255, 255, 255, 0.55));
}

.wb-dots {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.wb-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.wb-dot.red { background: #ff5f57; }
.wb-dot.yellow { background: #febc2e; }
.wb-dot.green { background: #28c840; }

.wb-top-title {
  justify-self: center;
  font-size: 0.92rem;
  font-weight: 900;
  color: rgba(15, 23, 42, 0.82);
}

.wb-top-actions {
  justify-self: end;
  display: inline-flex;
  gap: 12px;
  color: rgba(100, 116, 139, 0.82);
}

.wb-body {
  display: grid;
  grid-template-columns: 280px 1fr 260px;
  min-height: 640px;
}

.wb-sidebar {
  display: grid;
  grid-template-columns: 64px 1fr;
  border-right: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(246, 248, 255, 0.75);
}

.wb-rail {
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  border-right: 1px solid rgba(15, 23, 42, 0.08);
}

.wb-rail-btn {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: rgba(15, 23, 42, 0.72);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.10);
}

.wb-rail-btn.active {
  background: rgba(30, 90, 247, 0.12);
  border-color: rgba(30, 90, 247, 0.22);
  color: rgba(15, 23, 42, 0.92);
}

.wb-list {
  padding: 14px 14px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  overflow: hidden;
}

.wb-search {
  border-radius: 16px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 42, 0.10);
  color: rgba(71, 85, 105, 0.90);
  font-size: 0.9rem;
}

.wb-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

.wb-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.wb-item .dot {
  width: 38px;
  height: 38px;
  border-radius: 16px;
  background: rgba(30, 90, 247, 0.10);
  border: 1px solid rgba(30, 90, 247, 0.18);
}

.wb-item .line1 {
  height: 10px;
  width: 70%;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.10);
  margin-bottom: 8px;
}

.wb-item .line2 {
  height: 8px;
  width: 52%;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
}

.wb-main {
  padding: 22px 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
  overflow: hidden;
  background: radial-gradient(900px 420px at 30% 20%, rgba(30, 90, 247, 0.07), transparent 60%),
              linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(246, 248, 255, 0.55));
}

.wb-chat {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 12px;
}

.wb-bubble {
  max-width: 84%;
  border-radius: 18px;
  padding: 14px 14px;
  border: 1px solid rgba(15, 23, 42, 0.10);
  background: rgba(255, 255, 255, 0.92);
  color: rgba(15, 23, 42, 0.86);
  font-size: 0.95rem;
  line-height: 1.55;
}

.wb-bubble.ai {
  max-width: 88%;
  background: linear-gradient(120deg, rgba(30, 90, 247, 0.95), rgba(6, 182, 212, 0.92));
  border-color: rgba(30, 90, 247, 0.22);
  color: rgba(255, 255, 255, 0.98);
  font-weight: 900;
}

.wb-ai-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 10px;
}

.wb-speed {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.10);
  color: rgba(71, 85, 105, 0.92);
  font-size: 0.9rem;
}

.wb-right {
  padding: 18px 16px;
  border-left: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(246, 248, 255, 0.75);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  overflow: hidden;
}

.wb-right-card {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 42, 0.10);
  padding: 14px;
  color: rgba(15, 23, 42, 0.88);
}

.wb-right-title {
  font-weight: 900;
  font-size: 0.98rem;
  margin-bottom: 10px;
}

.wb-right-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.wb-right-row:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.wb-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 900;
}

.wb-chip .badge {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(30, 90, 247, 0.08);
  border: 1px solid rgba(30, 90, 247, 0.14);
  color: rgba(15, 23, 42, 0.84);
  font-weight: 950;
}

.wb-kpi {
  color: rgba(100, 116, 139, 0.90);
  font-weight: 900;
}

.section {
  padding: 86px 0;
}

.section-title {
  text-align: center;
  font-size: 2.05rem;
  font-weight: 950;
  letter-spacing: -0.8px;
  margin-bottom: 14px;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  margin: 0 auto 46px;
  max-width: 760px;
  line-height: 1.7;
}

.features-grid,
.platform-grid,
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.feature-card,
.platform-card,
.news-card,
.trust-badge,
.faq-item,
.client-card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 42, 0.10);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px -28px rgba(15, 23, 42, 0.18);
}

.feature-card,
.platform-card {
  padding: 26px 22px;
}

.platform-card h3,
.feature-card h3,
.news-card h3 {
  color: rgba(15, 23, 42, 0.92);
}

.platform-card p,
.feature-card p,
.news-card p {
  color: var(--muted);
  line-height: 1.75;
}

.platform-icon {
  font-size: 2.6rem;
  margin-bottom: 16px;
}

.download-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 950;
  color: rgba(255, 255, 255, 0.98);
  background: linear-gradient(120deg, rgba(30, 90, 247, 0.98), rgba(6, 182, 212, 0.92));
  box-shadow: 0 20px 40px -32px rgba(30, 90, 247, 0.35);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.download-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 28px 55px -42px rgba(30, 90, 247, 0.42);
}

.industry-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 34px 0;
}

.industry-tag {
  background: rgba(30, 90, 247, 0.06);
  border: 1px solid rgba(30, 90, 247, 0.14);
  padding: 10px 16px;
  border-radius: 999px;
  color: rgba(15, 23, 42, 0.86);
  font-weight: 900;
}

.news-card {
  padding: 22px;
}

.trust-badge {
  padding: 26px;
  text-align: center;
}

.trust-badge p {
  color: var(--muted);
  line-height: 1.75;
}

.client-slider {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 320px);
  gap: 16px;
  overflow-x: auto;
  padding: 10px 2px 6px;
  scroll-snap-type: x mandatory;
}

.client-card {
  padding: 20px;
  scroll-snap-align: start;
}

.faq-item {
  padding: 20px 22px;
}

.guide-content {
  margin-top: 26px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 42, 0.10);
  border-radius: 32px;
  padding: 22px 20px;
  box-shadow: var(--shadow);
}

.guide-content h3 {
  font-size: 1.35rem;
  font-weight: 950;
  letter-spacing: -0.5px;
  color: rgba(15, 23, 42, 0.92);
}

.guide-content h4 {
  font-size: 1.05rem;
  font-weight: 950;
  color: rgba(15, 23, 42, 0.92);
  margin: 14px 0 8px;
}

.guide-content p,
.guide-content li {
  color: var(--muted);
  line-height: 1.8;
}

.guide-content ul {
  padding-left: 18px;
  margin: 10px 0 12px;
}

.guide-content details {
  border-radius: 18px;
  background: rgba(246, 248, 255, 0.75);
  border: 1px solid rgba(15, 23, 42, 0.10);
  padding: 12px 14px;
  margin: 12px 0;
}

.guide-content details[open] {
  background: rgba(30, 90, 247, 0.06);
  border-color: rgba(30, 90, 247, 0.16);
}

.guide-content summary {
  cursor: pointer;
  font-weight: 950;
  color: rgba(15, 23, 42, 0.88);
  list-style: none;
  outline: none;
}

.guide-content summary::-webkit-details-marker {
  display: none;
}

.guide-sep {
  border: 0;
  height: 1px;
  background: rgba(148, 163, 184, 0.20);
  margin: 18px 0;
}

footer {
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  color: rgba(71, 85, 105, 0.92);
  padding: 56px 0 32px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
  gap: 26px;
}

.footer-links h4 {
  margin: 0 0 10px;
}

.footer-links a {
  display: inline-block;
  margin: 6px 0;
  text-decoration: none;
  color: rgba(71, 85, 105, 0.92) !important;
}

.footer-links a:hover {
  color: rgba(30, 90, 247, 0.92) !important;
}

.anchor {
  scroll-margin-top: 98px;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms ease, transform 420ms ease;
}

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

.fab-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.10);
  background: rgba(255, 255, 255, 0.92);
  color: rgba(15, 23, 42, 0.88);
  display: grid;
  place-items: center;
  box-shadow: 0 18px 45px -30px rgba(15, 23, 42, 0.22);
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.fab-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

@media (max-width: 920px) {
  .hero-left h1 {
    font-size: 2.55rem;
  }
  .wb-body {
    grid-template-columns: 72px 1fr;
  }
  .wb-right {
    display: none;
  }
  .wb-sidebar {
    grid-template-columns: 72px 1fr;
  }
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 420px;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .container, .container-wide {
    padding: 0 18px;
  }
  .nav-links {
    gap: 10px;
  }
  .nav-links a {
    padding: 8px 10px;
    font-size: 0.9rem;
  }
  .hero {
    padding-top: 52px;
  }
  .hero-left h1 {
    font-size: 2.05rem;
  }
  .btn-primary, .btn-outline {
    padding: 12px 16px;
  }
}