:root {
  --ink: #071a2f;
  --ink-2: #0b2947;
  --ink-3: #103755;
  --blue: #19a9ff;
  --green: #21d17f;
  --gold: #ffce4a;
  --red: #ff667b;
  --paper: #ffffff;
  --soft: #f4f8fb;
  --line: #dbe7f1;
  --muted: #637b91;
  --shadow: 0 24px 70px rgba(5, 21, 36, 0.14);
  --radius: 8px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.notice-bar {
  background: #04111f;
  color: #b7c7d5;
  font-size: 12px;
  letter-spacing: 0;
}

.notice-bar .container {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 9px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(219, 231, 241, 0.8);
  backdrop-filter: blur(16px);
  transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 14px 40px rgba(7, 26, 47, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 90px;
  gap: 22px;
}

.brand img {
  width: auto;
  height: 46px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 700;
  color: #24445f;
}

.main-nav a {
  position: relative;
  padding: 28px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  color: #041522;
  background: var(--green);
  box-shadow: 0 16px 35px rgba(33, 209, 127, 0.26);
  margin-right:10px;
}

.btn-secondary {
  color: var(--paper);
  background: var(--ink-2);
  border-color: #254969;
}

.btn-ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.section {
  min-height: 82vh;
  display: flex;
  align-items: center;
  padding: 92px 0;
}

.page-section {
  min-height: 70vh;
  padding: 88px 0;
  display: flex;
  align-items: center;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 110px);
  color: var(--paper);
  background:
    radial-gradient(circle at 70% 18%, rgba(25, 169, 255, 0.2), transparent 28%),
    linear-gradient(135deg, #061524 0%, #08243d 52%, #071a2f 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -18% 30%;
  height: 270px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 54px;
  padding:60px 0px 10px;
}

.hero-copy h1,
.page-hero h1 {
  margin: 0 0 24px;
  font-size: clamp(42px, 6vw, 60px);
  line-height: 1.2;
  letter-spacing: 0;
  font-weight: 900;
}

.hero-copy p,
.page-hero p {
  margin: 0 0 32px;
  max-width: 650px;
  color: #b8cce0;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin:30px 0px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 610px;
}

.proof-item {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  padding-top: 18px;
}

.proof-item strong {
  display: block;
  color: var(--paper);
  font-size: 28px;
  line-height: 1;
}

.proof-item span {
  display: block;
  margin-top: 9px;
  color: #95adc1;
  font-size: 13px;
}

.hero-visual {
  min-width: 0;
}

.ticker {
  background: #04111f;
  color: var(--paper);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ticker-track {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  padding: 14px 0;
}

.ticker-card {
  padding: 13px 18px;
  background: #0b2238;
  border-radius: var(--radius);
}

.ticker-card span {
  display: block;
  color: #9eb9cc;
  font-size: 12px;
  font-weight: 800;
}

.ticker-card strong {
  display: inline-block;
  margin-top: 5px;
  font-size: 17px;
}

.ticker-card em {
  margin-left: 10px;
  color: var(--green);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.section-head {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2,
.split-copy h2,
.page-section h2 {
  margin: 0 0 18px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: 0;
  font-weight: 900;
}

.section-head p,
.split-copy p,
.page-section p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.dark {
  color: var(--paper);
  background: var(--ink);
}

.dark .section-head p,
.dark .split-copy p,
.dark .page-section p {
  color: #a8bfd3;
}

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

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

.feature-card,
.account-card,
.market-card,
.lesson-card,
.contact-card,
.step-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 12px 30px rgba(7, 26, 47, 0.05);
}

.dark .feature-card,
.dark .account-card,
.dark .market-card,
.dark .lesson-card,
.dark .step-card {
  background: #0b2947;
  border-color: #224765;
  box-shadow: none;
}

.icon {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: var(--radius);
  color: var(--green);
  background: #e8fbf2;
  font-size: 24px;
  font-weight: 900;
}

.dark .icon {
  color: var(--green);
  background: #123b5d;
}

.feature-card h3,
.account-card h3,
.market-card h3,
.lesson-card h3,
.contact-card h3,
.step-card h3 {
  margin: 0 0 12px;
  font-size: 21px;
  line-height: 1.2;
}

.feature-card p,
.account-card p,
.market-card p,
.lesson-card p,
.contact-card p,
.step-card p {
  color: var(--muted);
  font-size: 15px;
}

.dark .feature-card p,
.dark .account-card p,
.dark .market-card p,
.dark .lesson-card p,
.dark .step-card p {
  color: #a8bfd3;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 58px;
  align-items: center;
}

.visual-frame {
  border-radius: 16px;
  background: linear-gradient(135deg, #e9f4fb, #ffffff);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.dark .visual-frame {
  background: #0b2947;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.28);
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: #33516a;
  font-weight: 700;
}

.dark .check-list li {
  color: #d5e4ef;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: inset 0 0 0 5px rgba(4, 21, 34, 0.12);
}

.market-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.market-row {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  align-items: center;
  min-height: 64px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  gap: 18px;
  font-size: 14px;
}

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

.market-row.header {
  min-height: 52px;
  color: var(--muted);
  background: #f7fbfe;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.market-row strong {
  color: var(--ink);
}

.gain {
  color: var(--green);
  font-weight: 900;
}

.loss {
  color: var(--red);
  font-weight: 900;
}

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

.step-num {
  display: block;
  margin-bottom: 24px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 900;
}

.cta-band {
  color: var(--paper);
  background:
    radial-gradient(circle at 85% 18%, rgba(33, 209, 127, 0.24), transparent 30%),
    linear-gradient(135deg, #071a2f, #0d3557);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 24px;
  align-items: center;
  padding: 76px 0;
}

.cta-inner h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.02;
}

.cta-inner p {
  margin: 0;
  max-width: 760px;
  color: #b8cce0;
}

.page-hero {
  min-height: 58vh;
  display: flex;
  align-items: center;
  color: var(--paper);
  background:
    linear-gradient(120deg, rgba(7, 26, 47, 0.95), rgba(7, 26, 47, 0.74)),
    url("../images/market-map.svg") center / cover no-repeat;
}

.page-hero .container {
  padding: 82px 0;
}

.crumb {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

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

.stat-box {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
}

.stat-box strong {
  display: block;
  font-size: 34px;
  line-height: 1;
}

.stat-box span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.tab-button {
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
}

.tab-button.is-active {
  border-color: var(--green);
  background: var(--green);
  color: #041522;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

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

.account-card.featured {
  border-color: var(--green);
  box-shadow: 0 20px 60px rgba(33, 209, 127, 0.18);
}

.price {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin: 20px 0;
}

.price strong {
  font-size: 48px;
  line-height: 1;
}

.price span {
  color: var(--muted);
  font-weight: 800;
}

.account-card ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 22px 0;
  list-style: none;
  color: #38556d;
}

.account-card li::before {
  content: "✓";
  margin-right: 10px;
  color: var(--green);
  font-weight: 900;
}

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

.market-card {
  min-height: 240px;
}

.market-card .symbol-line {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.funding-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.funding-table th,
.funding-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.funding-table th {
  color: var(--muted);
  background: #f7fbfe;
  font-size: 12px;
  text-transform: uppercase;
}

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

.faq {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  min-height: 64px;
  padding: 0 24px;
  border: 0;
  background: transparent;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
}

.faq-answer {
  display: none;
  padding: 0 24px 22px;
  color: var(--muted);
}

.faq-item.is-open .faq-answer {
  display: block;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 30px;
  align-items: start;
}

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

.form-grid label {
  display: grid;
  gap: 8px;
  color: #31516d;
  font-size: 13px;
  font-weight: 900;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 14px;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  color: #b8cce0;
  background: #04111f;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: 36px;
  padding: 68px 0 42px;
}

.footer-brand img {
  width: 210px;
  filter: brightness(0.5) invert(1);
}

.footer-brand p,
.footer-risk {
  color: #8298aa;
  font-size: 13px;
}

.footer-col h4 {
  margin: 0 0 16px;
  color: var(--paper);
  font-size: 14px;
}

.footer-col a {
  display: block;
  margin: 10px 0;
  color: #9eb5c7;
  font-size: 13px;
}

.footer-bottom {
  border-top: 1px solid #18324a;
  padding: 22px 0 34px;
  color: #72889a;
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1080px) {
  .main-nav {
    gap: 16px;
  }

  .ticker-track,
  .feature-grid,
  .steps,
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid,
  .product-grid,
  .lesson-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 840px) {
  .notice-bar .container {
    flex-direction: column;
    gap: 4px;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    inset: 112px 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 24px 28px;
    background: var(--paper);
    box-shadow: 0 24px 50px rgba(7, 26, 47, 0.16);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .main-nav a::after {
    display: none;
  }

  .nav-actions .btn-ghost {
    display: none;
  }

  .hero-grid,
  .split,
  .contact-layout,
  .cta-inner,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    padding:40px 0;
  }

  .hero-proof,
  .ticker-track,
  .feature-grid,
  .steps,
  .stats-strip,
  .pricing-grid,
  .product-grid,
  .lesson-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .page-section {
    min-height: auto;
    padding: 70px 0;
  }

  .market-row {
    grid-template-columns: 1fr 1fr;
    padding: 18px;
  }

  .market-row.header {
    display: none;
  }

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

@media (max-width: 520px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .brand img {
    width: 174px;
  }

  .nav-actions .btn-primary {
    display: none;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: 42px;
  }

  .section-head h2,
  .split-copy h2,
  .page-section h2 {
    font-size: 32px;
  }

  .feature-card,
  .account-card,
  .market-card,
  .lesson-card,
  .contact-card,
  .step-card,
  .stat-box {
    padding: 22px;
  }

  .funding-table {
    display: block;
    overflow-x: auto;
  }
}