:root {
  --blue: #2f6df6;
  --blue-deep: #2050c8;
  --blue-bright: #5b8dff;
  --navy: #0e1b33;
  --navy-mid: #16294f;
  --navy-footer: #0a1426;
  --blue-soft: #e9f0fe;
  --sky: #6fa2ff;
  --paper: #ffffff;
  --paper-2: #f6f8fc;
  --ink: #17233a;
  --ink-2: #51617e;
  --ink-3: #8291ac;
  --line: #e4e9f2;
  --line-2: #d3dcec;
  --up: #0e9f6e;
  --down: #e02424;
  --radius: 14px;
  --wrap: 1200px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 13px 26px;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-deep); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(47, 109, 246, 0.32); }
.btn-outline { border-color: var(--blue); color: var(--blue-deep); background: transparent; }
.btn-outline:hover { background: var(--blue-soft); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--blue-soft); transform: translateY(-1px); }
.btn-ghost-w { border-color: rgba(255, 255, 255, 0.42); color: #fff; background: transparent; }
.btn-ghost-w:hover { background: rgba(255, 255, 255, 0.12); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: #091224; transform: translateY(-1px); box-shadow: 0 12px 26px rgba(9, 18, 36, 0.38); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-block { width: 100%; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 6px;
  padding: 4px 10px;
  letter-spacing: 0.03em;
}
.tag-blue { color: var(--blue-deep); background: var(--blue-soft); }
.tag-sky { color: #1f6f9e; background: #e3f2fb; }
.tag-slate { color: var(--ink-2); background: #eef1f7; }
.tag-green { color: #0a7a52; background: #e6f6ef; }

.rise { transition: opacity 0.7s ease, transform 0.7s ease; }
body.js .rise { opacity: 0; transform: translateY(22px); }
body.js .rise.in { opacity: 1; transform: none; }
.rise.d1 { transition-delay: 0.08s; }
.rise.d2 { transition-delay: 0.16s; }
.rise.d3 { transition-delay: 0.24s; }

.announce { background: var(--navy); color: #c3d2ea; font-size: 13.5px; }
.announce-inner { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 42px; position: relative; padding-right: 40px; }
.announce-tag { flex-shrink: 0; font-size: 12px; font-weight: 800; color: #fff; background: var(--blue); border-radius: 6px; padding: 3px 10px; letter-spacing: 0.06em; }
.announce a { color: #fff; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.announce-x {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  color: #7f92b3;
  font-size: 15px;
  line-height: 1;
  transition: background 0.2s ease;
}
.announce-x:hover { background: rgba(255, 255, 255, 0.14); }
.announce.gone { display: none; }

.nav-shell {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: box-shadow 0.25s ease;
}
.nav-shell.scrolled { box-shadow: 0 10px 30px rgba(5, 10, 24, 0.5); }
.nav-inner { display: flex; align-items: center; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { width: 27px; height: 27px; }
.brand-name { font-size: 21px; font-weight: 800; color: #fff; letter-spacing: 0.02em; }
.brand-divider { width: 1px; height: 18px; background: rgba(255, 255, 255, 0.2); margin: 0 2px; }
.brand-sub { font-size: 13px; color: #8fa3c4; letter-spacing: 0.14em; }
.nav-menu { display: flex; align-items: center; gap: 2px; flex: 1; margin-left: 38px; }
.nav-menu a {
  position: relative;
  font-size: 15px;
  color: #c3d2ea;
  padding: 10px 15px;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-menu a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-menu a.active { color: #fff; font-weight: 700; }
.nav-menu a.active::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 4px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}
.nav-cta { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.nav-ghost { font-size: 15px; color: #c3d2ea; transition: color 0.2s ease; }
.nav-ghost:hover { color: #fff; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  margin-left: auto;
  flex-shrink: 0;
}
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 0 auto; background: #fff; border-radius: 2px; transition: transform 0.25s ease, opacity 0.25s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; flex-direction: column; padding: 6px 24px 20px; background: var(--navy); border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 15px; color: #c3d2ea; padding: 13px 2px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.mobile-nav a:hover, .mobile-nav a.active { color: #fff; }
.mobile-nav .btn { margin-top: 16px; border-bottom: none; }

.hero {
  position: relative;
  background: linear-gradient(150deg, #0e1b33 0%, #16294f 52%, #1e3a70 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  right: -160px;
  top: -220px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 109, 246, 0.32), transparent 62%);
}
.hero::after {
  content: "";
  position: absolute;
  left: -180px;
  bottom: -280px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 162, 255, 0.16), transparent 60%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 56px;
  align-items: center;
  padding-top: 76px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #a8c2f5;
  background: rgba(47, 109, 246, 0.16);
  border: 1px solid rgba(47, 109, 246, 0.5);
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 26px;
}
.hero-title {
  font-size: clamp(32px, 4.2vw, 50px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: #fff;
}
.hero-sub { font-size: 16.5px; color: #b9c6e0; max-width: 560px; margin: 20px 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.help-card {
  position: relative;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  padding: 26px;
  backdrop-filter: blur(6px);
}
.hc-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 13px 16px;
  font-size: 14.5px;
  color: var(--ink-3);
}
.hc-search svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--blue); }
.hc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 18px; }
.hc-tag { font-size: 12.5px; color: #c3d2ea; border: 1px solid rgba(255, 255, 255, 0.22); border-radius: 999px; padding: 5px 13px; }
.hc-links { display: grid; gap: 10px; }
.hc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 11px;
  padding: 12px 15px;
  font-size: 14px;
  color: #dbe5f5;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.hc-link:hover { background: rgba(47, 109, 246, 0.18); border-color: rgba(47, 109, 246, 0.5); }
.hc-link .hc-go { font-size: 12.5px; color: #a8c2f5; font-weight: 700; }
.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 58px;
  padding-top: 32px;
  padding-bottom: 46px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.stat { padding-left: 26px; border-left: 1px solid rgba(255, 255, 255, 0.14); }
.stat:first-child { padding-left: 0; border-left: none; }
.stat strong {
  display: block;
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat span { font-size: 13.5px; color: #93a6c8; }

.ticker { display: flex; align-items: center; background: var(--navy); color: #fff; overflow: hidden; }
.ticker-tag {
  flex-shrink: 0;
  align-self: stretch;
  display: flex;
  align-items: center;
  padding: 0 22px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--blue);
}
.ticker-viewport { flex: 1; overflow: hidden; }
.ticker-track { display: flex; width: max-content; animation: tickmove 42s linear infinite; }
.ticker-viewport:hover .ticker-track { animation-play-state: paused; }
.tick-set { display: flex; align-items: center; }
.tick-item { display: flex; align-items: center; gap: 10px; padding: 13px 26px; font-size: 13.5px; white-space: nowrap; }
.tick-name { color: #93a6c8; font-weight: 600; }
.tick-price { font-family: var(--mono); font-size: 13px; }
.tick-chg { font-family: var(--mono); font-size: 12.5px; font-weight: 700; }
.tick-chg.up { color: #4ade9e; }
.tick-chg.down { color: #ff8b8b; }
@keyframes tickmove {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.block { padding: 84px 0; }
.tint { background: var(--paper-2); }
.block-head { max-width: 720px; margin-bottom: 46px; }
.block-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.block-eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--blue-deep);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.block-head h2 { font-size: clamp(26px, 3.1vw, 36px); font-weight: 800; color: var(--navy); line-height: 1.3; letter-spacing: -0.01em; }
.block-head p { font-size: 16px; color: var(--ink-2); margin-top: 14px; }

.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cat-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(23, 35, 58, 0.1); border-color: rgba(47, 109, 246, 0.4); }
.cat-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  margin-bottom: 6px;
}
.cat-ico svg { width: 24px; height: 24px; }
.cat-card h3 { font-size: 17px; font-weight: 800; color: var(--ink); }
.cat-card p { font-size: 14.5px; color: var(--ink-2); flex: 1; }
.cat-foot { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--ink-3); }
.cat-foot .more { font-weight: 700; color: var(--blue-deep); }

.market-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.market-bar { display: flex; align-items: center; justify-content: space-between; padding: 20px 26px; border-bottom: 1px solid var(--line); }
.market-bar h3 { font-size: 17.5px; font-weight: 800; color: var(--ink); }
.market-bar span { font-size: 13px; color: var(--ink-3); }
.market-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.market-table thead th {
  text-align: left;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding: 13px 26px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.market-table tbody td { padding: 15px 26px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.market-table tbody tr:last-child td { border-bottom: none; }
.market-table tbody tr { transition: background 0.2s ease; }
.market-table tbody tr:hover { background: var(--blue-soft); }
.pair-cell { display: flex; align-items: center; gap: 12px; }
.pair-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  background: var(--navy);
}
.pair-icon.eth { background: #627eea; }
.pair-icon.okb { background: #1c1f26; }
.pair-icon.sol { background: #7c4dff; }
.pair-icon.bnb { background: #efb90a; color: #1c1f26; }
.pair-icon.xrp { background: #23292f; }
.pair-icon.doge { background: #c2a633; }
.pair-icon.ton { background: #0098ea; }
.pair-name strong { display: block; font-size: 14.5px; font-weight: 700; color: var(--ink); }
.pair-name span { font-size: 12.5px; color: var(--ink-3); }
.price-cell { font-family: var(--mono); font-size: 14px; font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.chg-cell { font-family: var(--mono); font-size: 13.5px; font-weight: 700; font-variant-numeric: tabular-nums; }
.chg-cell.up { color: var(--up); }
.chg-cell.down { color: var(--down); }
.trade-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--blue-deep);
  background: var(--blue-soft);
  border-radius: 9px;
  padding: 8px 18px;
  transition: background 0.2s ease, color 0.2s ease;
}
.trade-btn:hover { background: var(--blue); color: #fff; }

.feed-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feed-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.feed-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(23, 35, 58, 0.1); border-color: rgba(47, 109, 246, 0.4); }
.feed-card h3 { font-size: 16.5px; font-weight: 800; color: var(--ink); line-height: 1.45; }
.feed-card p { font-size: 14px; color: var(--ink-2); flex: 1; }
.feed-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--ink-3); }
.feed-meta .more { font-weight: 700; color: var(--blue-deep); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  background: var(--blue);
  margin-bottom: 18px;
}
.step-card h3 { font-size: 17px; font-weight: 800; color: var(--ink); margin-bottom: 10px; }
.step-card p { font-size: 14.5px; color: var(--ink-2); }

.dl-panel {
  position: relative;
  background: linear-gradient(135deg, #0e1b33 0%, #16294f 55%, #1e3a70 100%);
  border-radius: 20px;
  overflow: hidden;
  padding: 64px 60px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}
.dl-panel::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -160px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 109, 246, 0.34), transparent 62%);
}
.dl-copy { position: relative; }
.dl-copy h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: #fff; line-height: 1.32; letter-spacing: -0.01em; }
.dl-copy p { font-size: 15.5px; color: #b9c6e0; margin: 16px 0 26px; max-width: 520px; }
.dl-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; margin-bottom: 30px; }
.dl-point { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: #dbe5f5; }
.dl-point::before {
  content: "";
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(47, 109, 246, 0.26);
  border: 1px solid rgba(47, 109, 246, 0.6);
}
.dl-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.phone-wrap { position: relative; display: flex; justify-content: center; }
.phone {
  position: relative;
  width: 264px;
  border-radius: 34px;
  background: #0a1224;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 32px 70px rgba(5, 10, 22, 0.55);
  padding: 16px 14px 20px;
  animation: floaty 5.2s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.ph-notch { width: 84px; height: 6px; border-radius: 3px; background: rgba(255, 255, 255, 0.18); margin: 0 auto 14px; }
.ph-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.ph-head span { font-size: 11.5px; color: #93a6c8; }
.ph-head strong { font-size: 12.5px; color: #fff; }
.ph-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 11.5px;
  color: #93a6c8;
  margin-bottom: 12px;
}
.ph-search svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--sky); }
.ph-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 10px 13px;
  margin-bottom: 8px;
  font-size: 12px;
  color: #dbe5f5;
}
.ph-row .meta { font-size: 10.5px; color: #93a6c8; }
.ph-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  border-radius: 10px;
  background: var(--blue);
  color: #fff;
  font-size: 13.5px;
  font-weight: 800;
  margin-top: 12px;
}

.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; transition: border-color 0.2s ease; }
.faq-item[open] { border-color: rgba(47, 109, 246, 0.5); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 17px;
  font-weight: 700;
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-a { padding: 0 26px 22px; font-size: 15px; color: var(--ink-2); }

.cta-band {
  position: relative;
  background: linear-gradient(120deg, #1e50c8 0%, #2f6df6 54%, #6fa2ff 100%);
  color: #fff;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -180px;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 60%);
}
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; padding-top: 62px; padding-bottom: 62px; }
.cta-inner h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 800; line-height: 1.35; color: #fff; }
.cta-inner p { font-size: 15.5px; color: rgba(255, 255, 255, 0.9); margin-top: 10px; max-width: 620px; }
.cta-actions { position: relative; display: flex; flex-wrap: wrap; gap: 14px; }

.site-footer { background: var(--navy-footer); color: #9fb0cc; padding-top: 62px; }
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 46px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-divider { background: rgba(255, 255, 255, 0.18); }
.footer-brand .brand-sub { color: #7186ab; }
.footer-brand p { font-size: 14px; margin: 18px 0 0; max-width: 320px; }
.footer-marks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.footer-mark { font-size: 12px; color: #9fb0cc; border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 999px; padding: 4px 12px; }
.footer-col h3 { font-size: 15px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; color: #9fb0cc; padding: 6px 0; transition: color 0.2s ease; }
.footer-col a:hover { color: #fff; }
.footer-note { font-size: 12.5px; color: #7186ab; border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 22px 0; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 13px; color: #7186ab; padding-bottom: 30px; }
.footer-bottom a { color: #9fb0cc; }
.footer-bottom a:hover { color: #fff; }

.backtop {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--navy);
  color: #fff;
  font-size: 18px;
  box-shadow: 0 12px 30px rgba(5, 10, 24, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, background 0.2s ease;
}
.backtop.show { opacity: 1; visibility: visible; transform: none; }
.backtop:hover { background: var(--blue); }

.page-banner {
  position: relative;
  background: linear-gradient(120deg, #0e1b33 0%, #16294f 58%, #1e3a70 100%);
  padding: 56px 0 50px;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.page-banner::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -160px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 109, 246, 0.3), transparent 62%);
}
.page-banner .wrap { position: relative; }
.page-banner h1 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; color: #fff; line-height: 1.3; letter-spacing: -0.01em; }
.page-banner .sub { font-size: 15.5px; color: #b9c6e0; margin-top: 12px; max-width: 720px; }
.crumb { display: flex; align-items: center; gap: 9px; font-size: 13px; color: #8fa3c4; margin-bottom: 16px; }
.crumb a { color: #8fa3c4; transition: color 0.2s ease; }
.crumb a:hover { color: #fff; }
.crumb .sep { color: rgba(255, 255, 255, 0.32); }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-btn {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 9px 20px;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.filter-btn:hover { color: var(--blue-deep); border-color: var(--blue); }
.filter-btn.active { color: #fff; background: var(--navy); border-color: var(--navy); font-weight: 700; }
.is-hidden { display: none !important; }

.help-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; align-items: start; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; margin-bottom: 20px; }
.side-card h3 { font-size: 16.5px; font-weight: 800; color: var(--ink); margin-bottom: 16px; }
.hot-list li { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.hot-list li:last-child { border-bottom: none; }
.hot-rank {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 800;
  color: var(--line-2);
  width: 24px;
  line-height: 1.6;
}
.hot-list li:nth-child(1) .hot-rank,
.hot-list li:nth-child(2) .hot-rank,
.hot-list li:nth-child(3) .hot-rank { color: var(--blue); }
.hot-list a { color: var(--ink-2); transition: color 0.2s ease; }
.hot-list a:hover { color: var(--blue-deep); }
.side-cta {
  position: relative;
  background: linear-gradient(135deg, #0e1b33 0%, #1e3a70 100%);
  border-radius: var(--radius);
  padding: 28px;
  overflow: hidden;
}
.side-cta::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 109, 246, 0.38), transparent 62%);
}
.side-cta h3 { position: relative; font-size: 17px; font-weight: 800; color: #fff; }
.side-cta p { position: relative; font-size: 14px; color: #b9c6e0; margin: 10px 0 18px; }
.side-cta .btn { position: relative; }

.faq-block { margin-bottom: 38px; }
.faq-cat {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 19px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 18px;
}
.faq-cat::before {
  content: "";
  width: 5px;
  height: 20px;
  border-radius: 3px;
  background: var(--blue);
}
.faq-cat .count { font-size: 13px; font-weight: 600; color: var(--ink-3); }
.faq-block .faq-item { margin-bottom: 10px; }

.upd-list { display: grid; gap: 16px; }
.upd-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 30px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.upd-item:hover { border-color: rgba(47, 109, 246, 0.4); box-shadow: 0 14px 34px rgba(23, 35, 58, 0.08); }
.upd-head .ver {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.upd-head .date { display: block; font-size: 13px; color: var(--ink-3); margin-top: 6px; }
.upd-head .tag { margin-top: 12px; }
.upd-body h3 { font-size: 17px; font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.upd-body ul { display: grid; gap: 8px; }
.upd-body li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--ink-2); }
.upd-body li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--blue);
}

.prev-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.prev-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.prev-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(23, 35, 58, 0.1); border-color: rgba(47, 109, 246, 0.4); }
.prev-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue-deep);
}
.prev-ico svg { width: 23px; height: 23px; }
.prev-card h3 { font-size: 16.5px; font-weight: 800; color: var(--ink); }
.prev-card p { font-size: 14.5px; color: var(--ink-2); flex: 1; }
.prev-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue);
}
.tl-date { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--blue-deep); margin-bottom: 6px; }
.tl-item h3 { font-size: 16.5px; font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.tl-item p { font-size: 14.5px; color: var(--ink-2); }

.article-shell { max-width: 800px; margin: 0 auto; }
.article-body { padding: 44px 0 10px; font-size: 16.5px; line-height: 1.9; color: #2c3a55; }
.article-body h2 { position: relative; font-size: 24px; font-weight: 800; color: var(--navy); margin: 42px 0 16px; padding-left: 16px; line-height: 1.4; }
.article-body h2::before { content: ""; position: absolute; left: 0; top: 7px; bottom: 7px; width: 4px; border-radius: 2px; background: var(--blue); }
.article-body p { margin-bottom: 18px; }
.article-body ul { margin: 0 0 22px 4px; }
.article-body ul li { position: relative; padding-left: 24px; margin-bottom: 10px; }
.article-body ul li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 7px; height: 7px; background: var(--blue); border-radius: 3px; }
.article-body .lede { font-size: 18px; color: var(--ink-2); border-left: 4px solid var(--blue); padding-left: 20px; margin-bottom: 34px; }
.article-body .tip-box {
  background: var(--blue-soft);
  border: 1px solid rgba(47, 109, 246, 0.35);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 15px;
  color: var(--blue-deep);
  margin: 24px 0;
}
.article-body .tip-box strong { font-weight: 800; }
.article-body blockquote {
  margin: 26px 0;
  padding: 22px 26px;
  background: var(--paper-2);
  border-left: 4px solid var(--navy);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 16px;
  color: var(--ink-2);
}
.art-table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 24px 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.art-table thead th { text-align: left; font-size: 13px; color: var(--ink-3); background: var(--paper-2); padding: 12px 18px; border-bottom: 1px solid var(--line); }
.art-table tbody td { padding: 13px 18px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.art-table tbody tr:last-child td { border-bottom: none; }

.related-block { margin-top: 52px; padding-top: 30px; border-top: 2px solid var(--navy); max-width: 800px; margin-left: auto; margin-right: auto; }
.related-block h2 { font-size: 24px; font-weight: 800; color: var(--navy); margin-bottom: 20px; }
.related-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

@media (max-width: 1100px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .feed-grid { grid-template-columns: repeat(2, 1fr); }
  .prev-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; }
  .related-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-top: 60px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .stat:nth-child(odd) { padding-left: 0; border-left: none; }
  .dl-panel { grid-template-columns: 1fr; padding: 52px 44px; }
  .phone-wrap { order: -1; }
  .help-layout { grid-template-columns: 1fr; }
  .upd-item { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 768px) {
  .block { padding: 60px 0; }
  .steps { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .feed-grid { grid-template-columns: 1fr; }
  .prev-grid { grid-template-columns: 1fr; }
  .dl-points { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .market-table thead th, .market-table tbody td { padding: 13px 16px; }
  .related-row { grid-template-columns: 1fr; }
  .cta-inner { padding-top: 50px; padding-bottom: 50px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .hero-actions .btn { width: 100%; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .brand-sub, .brand-divider { display: none; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .announce-inner { height: auto; padding-top: 8px; padding-bottom: 8px; }
  .announce-inner span:not(.announce-tag) { display: none; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .market-table tbody td { padding: 12px; font-size: 13.5px; }
  .market-table thead th { padding: 11px 12px; }
  .dl-panel { padding: 42px 26px; }
  .upd-item { padding: 22px 20px; }
}