/* metatraderj4.com.cn — classic corporate product sheet
   Navy mast + gold rules, two-pane hero, 2x2 capability cells,
   comparison table, dated news rail, stacked Q/A. */

:root {
  --navy: #0b1f3a;
  --navy-deep: #071525;
  --navy-mid: #122a4a;
  --gold: #c9a227;
  --gold-soft: #e0c56a;
  --sand: #f4f1ea;
  --paper: #fffdf8;
  --ink: #0b1f3a;
  --ink-soft: #3a4556;
  --line: #d8d0c2;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--sand);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

img,
svg {
  display: block;
}

a {
  color: var(--gold);
}

a:hover {
  color: var(--gold-soft);
}

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

/* —— Header: horizontal navy bar, gold brand + nav —— */
.mast {
  background: var(--navy);
  border-bottom: 3px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 20;
}

.mast-bar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.mast-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gold);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.05rem;
}

.mast-brand:hover {
  color: var(--gold-soft);
}

.mast-mark {
  width: 28px;
  height: 28px;
  border: 2px solid var(--gold);
  display: grid;
  place-items: center;
  flex: 0 0 28px;
}

.mast-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mast-nav a {
  color: #e8e2d4;
  text-decoration: none;
  padding: 8px 14px;
  font-size: 0.95rem;
  border: 1px solid transparent;
}

.mast-nav a:hover {
  color: var(--gold);
  border-color: rgba(201, 162, 39, 0.45);
}

.mast-nav a.is-here {
  color: var(--navy);
  background: var(--gold);
  font-weight: 700;
}

/* —— Hero: copy 60% / gold-edged download card 40% —— */
.hero-band {
  background: var(--navy);
  color: var(--sand);
  padding: 48px 0 56px;
}

.hero-pane {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 36px;
  align-items: stretch;
}

.hero-copy h1 {
  margin: 0 0 16px;
  font-size: 1.85rem;
  line-height: 1.35;
  font-weight: 700;
  color: #fffdf8;
  border-left: 4px solid var(--gold);
  padding-left: 14px;
}

.hero-kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-lead {
  margin: 0 0 14px;
  color: #e4ddd0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn-win,
.btn-ghost,
.plat-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  padding: 11px 18px;
  min-height: 44px;
}

.btn-win {
  background: var(--gold);
  color: var(--navy);
  border: 1px solid var(--gold);
}

.btn-win:hover {
  background: var(--gold-soft);
  color: var(--navy);
}

.btn-ghost {
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(201, 162, 39, 0.12);
  color: var(--gold-soft);
}

.dl-card {
  border: 2px solid var(--gold);
  background: var(--navy-mid);
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dl-card-kicker {
  margin: 0;
  color: var(--gold);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  font-weight: 700;
}

.dl-card-title {
  margin: 0;
  color: #fffdf8;
  font-size: 1.15rem;
  font-weight: 700;
}

.dl-card p {
  margin: 0;
  color: #d9d2c4;
  font-size: 0.92rem;
}

.plat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.plat-btn {
  background: var(--navy);
  color: var(--gold);
  border: 1px solid var(--gold);
  font-size: 0.88rem;
  padding: 10px 8px;
}

.plat-btn:hover {
  background: #18345a;
  color: var(--gold-soft);
}

.plat-btn svg,
.btn-win svg,
.btn-ghost svg,
.cap-cell svg,
.mast-mark svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.ver-note {
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--gold);
  background: rgba(7, 21, 37, 0.55);
  color: #f0e6c8;
  font-size: 0.86rem;
}

/* —— Alternating bands —— */
.band {
  padding: 46px 0;
}

.band-navy {
  background: var(--navy);
  color: var(--sand);
}

.band-sand {
  background: var(--sand);
  color: var(--ink);
}

.band h2 {
  margin: 0 0 16px;
  font-size: 1.42rem;
  line-height: 1.4;
  font-weight: 700;
}

.band-navy h2 {
  color: #fffdf8;
  border-bottom: 1px solid rgba(201, 162, 39, 0.55);
  padding-bottom: 10px;
}

.band-sand h2 {
  color: var(--navy);
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.sec-lead,
.band p {
  margin: 0 0 14px;
}

.band-navy p,
.band-navy li {
  color: #e4ddd0;
}

.band-sand p,
.band-sand li {
  color: var(--ink-soft);
}

.band-navy a {
  color: var(--gold-soft);
}

.band-sand a {
  color: #8a7010;
}

.band-sand a:hover {
  color: #6d5808;
}

/* —— 2x2 capability cards —— */
.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}

.cap-cell {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  padding: 18px 18px 16px;
}

.band-navy .cap-cell {
  background: var(--navy-mid);
  border-color: rgba(201, 162, 39, 0.35);
  border-top-color: var(--gold);
}

.cap-name {
  margin: 10px 0 8px;
  font-weight: 700;
  color: var(--navy);
}

.band-navy .cap-name {
  color: var(--gold);
}

.cap-cell p:last-child {
  margin-bottom: 0;
}

/* —— Comparison table —— */
.cmp-scroll {
  overflow-x: auto;
  margin: 16px 0 8px;
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  background: var(--paper);
  color: var(--ink);
}

.cmp-table th,
.cmp-table td {
  border: 1px solid #cfc6b4;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  font-size: 0.94rem;
  line-height: 1.55;
}

.cmp-table th {
  background: var(--navy);
  color: var(--gold);
  font-weight: 700;
}

.cmp-table tr:nth-child(even) td {
  background: #f7f3ea;
}

/* —— Risk —— */
.risk-banner {
  border: 1px solid var(--gold);
  border-left: 6px solid var(--gold);
  background: #2a210c;
  color: #f3e8c4;
  padding: 16px 18px;
  margin: 8px 0 18px;
  font-weight: 600;
}

.band-sand .risk-banner {
  background: #fff6d8;
  color: #3d320c;
}

/* —— News: vertical list, gold date tick on the left —— */
.news-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.news-row {
  display: grid;
  grid-template-columns: 7.2rem minmax(0, 1fr);
  gap: 0;
  background: var(--paper);
  border: 1px solid var(--line);
}

.band-navy .news-row {
  background: var(--navy-mid);
  border-color: rgba(201, 162, 39, 0.28);
}

.news-tick {
  background: var(--gold);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
}

.news-body {
  padding: 12px 16px 14px;
}

.news-name {
  margin: 0 0 6px;
  font-weight: 700;
  color: var(--navy);
}

.band-navy .news-name {
  color: #fffdf8;
}

.news-body p {
  margin: 0;
  font-size: 0.94rem;
}

/* —— FAQ: stacked visible blocks, never accordion —— */
.qa-block {
  padding: 16px 18px 14px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.band-navy .qa-block {
  background: var(--navy-mid);
  border-color: rgba(201, 162, 39, 0.35);
}

.qa-q {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--navy);
}

.band-navy .qa-q {
  color: var(--gold);
}

.qa-a {
  margin: 0;
}

.step-list {
  margin: 8px 0 16px;
  padding-left: 1.25rem;
}

.step-list li {
  margin-bottom: 8px;
}

.req-list {
  margin: 8px 0 0;
  padding-left: 1.2rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 8px;
}

/* —— Footer —— */
.site-end {
  background: var(--navy-deep);
  color: #cfc6b4;
  padding: 36px 0 28px;
  border-top: 3px solid var(--gold);
}

.site-end .end-copy {
  margin: 0 0 12px;
  font-size: 0.9rem;
  line-height: 1.7;
}

.site-end .end-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 0 0 16px;
}

.site-end a {
  color: var(--gold);
  text-decoration: none;
}

.site-end a:hover {
  color: var(--gold-soft);
}

/* —— Focus —— */
a:focus-visible,
.mast-nav a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

@media (max-width: 860px) {
  .hero-pane,
  .cap-grid,
  .news-row {
    grid-template-columns: 1fr;
  }

  .mast-bar {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 10px;
  }

  .hero-copy h1 {
    font-size: 1.45rem;
  }

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

  .news-tick {
    justify-content: flex-start;
    padding-left: 14px;
  }
}