/* ============================================================
   LOTI — 数字资产交易平台单页样式
   配色：深色底 + 青(#2FE3E0)蓝(#3D7BFF)渐变，参考币安/OKX
   ============================================================ */
:root {
  --bg: #05090F;
  --bg-soft: #070D16;
  --surface: #0B121D;
  --surface-2: #0E1726;
  --border: rgba(96, 178, 255, 0.12);
  --border-strong: rgba(77, 219, 232, 0.35);

  --cyan: #2FE3E0;
  --cyan-bright: #4FF0EC;
  --blue: #3D7BFF;
  --blue-deep: #2A5BE8;
  --grad: linear-gradient(135deg, #2FE3E0 0%, #3D7BFF 100%);
  --grad-soft: linear-gradient(135deg, rgba(47,227,224,.14), rgba(61,123,255,.14));

  --up: #16C784;
  --down: #EA3943;

  --text: #EAF2F8;
  --muted: #8A97A8;
  --muted-2: #5C6B7E;

  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 72px;
  --font: "Inter", "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
canvas { display: block; max-width: 100%; }

.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 12px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--grad);
  color: #04121A;
  box-shadow: 0 6px 24px rgba(47, 227, 224, .25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(47, 227, 224, .4);
}

.btn-outline {
  border: 1px solid var(--border-strong);
  color: var(--cyan-bright);
  background: rgba(47, 227, 224, .06);
}
.btn-outline:hover { background: rgba(47, 227, 224, .14); transform: translateY(-2px); }

.btn-ghost { color: var(--text); }
.btn-ghost:hover { color: var(--cyan-bright); }

.btn-dark {
  background: #0E1726;
  color: var(--text);
  border: 1px solid var(--border);
  gap: 12px;
}
.btn-dark:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.btn-dark span { display: flex; flex-direction: column; line-height: 1.25; text-align: left; }
.btn-dark small { font-size: 11px; color: var(--muted); font-weight: 500; }

/* ---------------- 公告条 ---------------- */
.announce-bar {
  background: linear-gradient(90deg, rgba(47,227,224,.12), rgba(61,123,255,.12));
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.announce-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 38px;
}
.announce-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  flex-shrink: 0;
  animation: pulse 1.8s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.announce-text { color: var(--muted); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.announce-link { color: var(--cyan-bright); font-weight: 600; flex-shrink: 0; }
.announce-link:hover { text-decoration: underline; }

/* ---------------- 导航 ---------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 9, 15, .72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.header.scrolled {
  background: rgba(5, 9, 15, .92);
  border-bottom-color: var(--border);
}
.nav-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { filter: drop-shadow(0 0 12px rgba(47,227,224,.35)); }
.logo-text {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: .06em;
  color: #fff;
}
.logo-text em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links { display: flex; gap: 6px; flex: 1; }
.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: color .2s, background .2s;
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.05); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

/* 语言切换按钮 */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .04);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
  white-space: nowrap;
  transition: color .2s, border-color .2s, background .2s;
}
.lang-switch:hover {
  color: var(--cyan-bright);
  border-color: var(--border-strong);
  background: rgba(47, 227, 224, .08);
}
.lang-switch svg { flex-shrink: 0; }
.mobile-actions .lang-switch-mobile { flex: 0 0 auto; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: .3s;
}
.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-menu {
  display: none;
  position: fixed;
  top: calc(38px + var(--header-h));
  left: 0; right: 0;
  z-index: 99;
  background: rgba(7, 13, 22, .98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px 24px;
  flex-direction: column;
}
.mobile-menu.open { display: flex; }
.mobile-link {
  padding: 14px 8px;
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.mobile-actions { display: flex; gap: 12px; margin-top: 20px; }
.mobile-actions .btn { flex: 1; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: 90px 0 100px;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(47,227,224,.22), transparent 65%);
  top: -180px; left: -120px;
}
.hero-glow-2 {
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(61,123,255,.22), transparent 65%);
  top: 40px; right: -180px;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(96,178,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96,178,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(47,227,224,.06);
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 26px;
}
.badge-live {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--up);
  box-shadow: 0 0 8px var(--up);
  animation: pulse 1.8s infinite;
}

.hero-title {
  font-size: clamp(38px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: .01em;
  margin-bottom: 22px;
}
.text-gradient {
  background: linear-gradient(120deg, #4FF0EC 0%, #3D7BFF 60%, #6AA4FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 17px;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 34px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }

.hero-stats { display: flex; gap: 48px; }
.hero-stat strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat span { font-size: 14px; color: var(--muted); }

/* Hero 交易卡片 */
.hero-card { position: relative; }
.ticker-card {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45), 0 0 0 1px rgba(47,227,224,.06);
  position: relative;
}
.ticker-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 20px;
  padding: 1px;
  background: linear-gradient(160deg, rgba(47,227,224,.45), transparent 40%, transparent 70%, rgba(61,123,255,.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.ticker-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.ticker-coin { display: flex; align-items: center; gap: 12px; }
.ticker-coin strong { font-size: 16px; display: block; }
.ticker-coin small { color: var(--muted); font-size: 12px; }
.coin-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 18px;
  color: #04121A;
}
.coin-btc { background: #F7931A; }
.ticker-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan-bright);
  border: 1px solid var(--border-strong);
  background: rgba(47,227,224,.08);
  padding: 4px 12px;
  border-radius: 999px;
}

.ticker-price {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}
.ticker-price > span:first-child {
  font-size: 32px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.ticker-change {
  font-size: 14px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
}
.ticker-change.up, .up { color: var(--up); }
.ticker-change.down, .down { color: var(--down); }
.ticker-change.up { background: rgba(22,199,132,.12); }
.ticker-change.down { background: rgba(234,57,67,.12); }

#heroChart { width: 100%; height: 160px; margin: 6px 0 14px; }

.ticker-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.ticker-foot small { display: block; font-size: 12px; color: var(--muted-2); margin-bottom: 4px; }
.ticker-foot strong { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------------- 滚动行情条 ---------------- */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
  overflow: hidden;
  padding: 14px 0;
}
.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee 40s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  white-space: nowrap;
}
.marquee-item .m-name { color: var(--muted); font-weight: 600; }
.marquee-item .m-price { font-variant-numeric: tabular-nums; font-weight: 600; }

/* ---------------- 通用 Section ---------------- */
.section { padding: 96px 0; }
.section-alt {
  background:
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(61,123,255,.08), transparent 70%),
    var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}
.section-head-center { justify-content: center; text-align: center; }
.section-title {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 12px;
}
.section-sub { color: var(--muted); font-size: 16px; }
.section-more { color: var(--cyan-bright); font-weight: 600; font-size: 15px; flex-shrink: 0; }
.section-more:hover { text-decoration: underline; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan-bright);
  background: rgba(47,227,224,.1);
  border: 1px solid var(--border-strong);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

/* ---------------- 行情表格 ---------------- */
.market-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.market-row {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1fr 1.4fr .9fr;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}
.market-row:last-child { border-bottom: none; }
.market-row:not(.market-row-head):hover { background: rgba(47,227,224,.04); }
.market-row-head {
  background: var(--surface-2);
  font-size: 13px;
  color: var(--muted-2);
  font-weight: 600;
  padding-top: 14px;
  padding-bottom: 14px;
}

.mk-coin { display: flex; align-items: center; gap: 12px; }
.mk-coin .coin-icon { width: 36px; height: 36px; font-size: 15px; }
.mk-coin strong { font-size: 15px; display: block; line-height: 1.3; }
.mk-coin small { color: var(--muted); font-size: 12px; }

.mk-price, .mk-high { font-weight: 600; font-variant-numeric: tabular-nums; }
.mk-change {
  justify-self: start;
  font-weight: 700;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  padding: 4px 12px;
  border-radius: 6px;
}
.mk-change.up { color: var(--up); background: rgba(22,199,132,.1); }
.mk-change.down { color: var(--down); background: rgba(234,57,67,.1); }

.col-action .btn { padding: 8px 20px; font-size: 13px; }

.coin-eth { background: #627EEA; color: #fff; }
.coin-sol { background: linear-gradient(135deg, #9945FF, #14F195); color: #fff; }
.coin-bnb { background: #F0B90B; }
.coin-xrp { background: #23292F; color: #fff; border: 1px solid rgba(255,255,255,.15); }
.coin-doge { background: #C2A633; }
.coin-ada { background: #3468D1; color: #fff; }
.coin-avax { background: #E84142; color: #fff; }
.coin-link { background: #2A5ADA; color: #fff; }

/* ---------------- 功能卡片 ---------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 40px rgba(0,0,0,.4), 0 0 24px rgba(47,227,224,.08);
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
  color: var(--cyan-bright);
  margin-bottom: 20px;
}
.feature-icon svg { width: 26px; height: 26px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--muted); }

/* ---------------- 三步流程 ---------------- */
.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 20px;
}
.step-item {
  position: relative;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px 30px;
  transition: border-color .25s, transform .25s;
}
.step-item:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.step-num {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 34px;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(47,227,224,.4);
}
.step-icon {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #04121A;
  box-shadow: 0 8px 24px rgba(47,227,224,.3);
}
.step-icon svg { width: 30px; height: 30px; }
.step-item h3 { font-size: 19px; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--muted); }
.step-arrow {
  display: grid;
  place-items: center;
  align-self: center;
  padding-top: 60px;
  color: var(--cyan);
}
.step-arrow svg { width: 28px; height: 28px; }

.start-cta { text-align: center; margin-top: 48px; }

/* ---------------- 安全保障 ---------------- */
.security-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.security-list { list-style: none; margin-top: 32px; display: grid; gap: 22px; }
.security-list li { display: flex; gap: 16px; align-items: flex-start; }
.check-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #04121A;
  margin-top: 2px;
}
.check-icon svg { width: 14px; height: 14px; }
.security-list strong { font-size: 16px; display: block; margin-bottom: 4px; }
.security-list p { font-size: 14px; color: var(--muted); }

.security-visual {
  position: relative;
  height: 420px;
  display: grid;
  place-items: center;
}
.shield-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(47,227,224,.25);
}
.ring-1 { width: 300px; height: 300px; animation: ringPulse 3.2s ease-out infinite; }
.ring-2 { width: 300px; height: 300px; animation: ringPulse 3.2s ease-out 1.6s infinite; }
@keyframes ringPulse {
  0% { transform: scale(.75); opacity: .9; }
  100% { transform: scale(1.25); opacity: 0; }
}
.shield-core {
  width: 170px; height: 170px;
  border-radius: 36px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, rgba(47,227,224,.16), rgba(61,123,255,.16));
  border: 1px solid var(--border-strong);
  box-shadow: 0 0 60px rgba(47,227,224,.25), inset 0 0 40px rgba(47,227,224,.08);
  backdrop-filter: blur(4px);
}
.shield-core svg { width: 96px; height: 96px; filter: drop-shadow(0 0 14px rgba(47,227,224,.5)); }

.float-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(14, 23, 38, .92);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(0,0,0,.4);
  backdrop-filter: blur(8px);
  animation: floatY 4s ease-in-out infinite;
}
.chip-1 { top: 40px; left: 6%; }
.chip-2 { top: 110px; right: 0; animation-delay: 1.2s; }
.chip-3 { bottom: 40px; left: 12%; animation-delay: 2.1s; }
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.chip-dot { width: 8px; height: 8px; border-radius: 50%; }
.chip-dot.ok { background: var(--up); box-shadow: 0 0 8px var(--up); }
.chip-dot.warn { background: #F0B90B; box-shadow: 0 0 8px #F0B90B; }

/* ---------------- App 下载 ---------------- */
.app-banner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
  border-radius: 24px;
  padding: 64px 60px;
  background:
    radial-gradient(ellipse 70% 90% at 15% 20%, rgba(47,227,224,.12), transparent 60%),
    radial-gradient(ellipse 70% 90% at 90% 90%, rgba(61,123,255,.14), transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}
.app-copy h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; margin-bottom: 16px; }
.app-copy p { color: var(--muted); font-size: 16px; margin-bottom: 30px; max-width: 480px; }
.app-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
.app-rate { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }
.stars { color: #F0B90B; letter-spacing: 2px; }

.app-phone { display: grid; place-items: center; }
.phone {
  position: relative;
  width: 250px;
  height: 500px;
  background: #0A1018;
  border: 2px solid #26344A;
  border-radius: 38px;
  padding: 14px;
  box-shadow: 0 30px 70px rgba(0,0,0,.55), 0 0 50px rgba(47,227,224,.15);
  animation: floatY 5s ease-in-out infinite;
}
.phone-notch {
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 96px; height: 20px;
  background: #0A1018;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  z-index: 2;
}
.phone-screen {
  width: 100%; height: 100%;
  background: linear-gradient(180deg, #0C1524, #070D16);
  border-radius: 26px;
  padding: 38px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}
.ph-header { display: flex; justify-content: space-between; align-items: center; }
.ph-logo { font-weight: 900; font-size: 17px; letter-spacing: .05em; color: #fff; }
.ph-logo em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.ph-bell { color: var(--muted); }
.ph-balance { background: var(--grad-soft); border: 1px solid var(--border); border-radius: 14px; padding: 14px; }
.ph-balance small { color: var(--muted); font-size: 11px; }
.ph-balance strong { display: block; font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; }
.ph-balance .ph-up { font-size: 12px; color: var(--up); font-weight: 700; }
.ph-chart { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 8px; }
.ph-chart canvas { width: 100%; height: 70px; }
.ph-rows { display: flex; flex-direction: column; gap: 4px; }
.ph-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.ph-row .ph-coin { color: var(--muted); font-weight: 600; }
.ph-nav {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted-2);
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.ph-nav-buy {
  background: var(--grad);
  color: #04121A !important;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
}

/* ---------------- 页脚 ---------------- */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { font-size: 14px; color: var(--muted); max-width: 320px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--muted);
  transition: .2s;
}
.footer-social a:hover { color: var(--cyan-bright); border-color: var(--border-strong); background: rgba(47,227,224,.08); }
.footer-social svg { width: 18px; height: 18px; }

.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--muted);
  padding: 5px 0;
  transition: color .2s;
}
.footer-col a:hover { color: var(--cyan-bright); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 26px;
  text-align: center;
  color: var(--muted-2);
  font-size: 13px;
}
.footer-bottom p + p { margin-top: 6px; }

/* ---------------- 滚动入场动画 ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------- 关于 LOTI ---------------- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 56px;
}
.about-intro-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.about-intro-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 40px rgba(0,0,0,.4), 0 0 24px rgba(47,227,224,.08);
}
.about-intro-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
  color: var(--cyan-bright);
}
.about-intro-icon svg { width: 24px; height: 24px; }
.about-intro-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.about-intro-card p { font-size: 14px; color: var(--muted); }

.about-block-title {
  text-align: center;
  font-size: 24px;
  font-weight: 800;
  margin: 64px 0 28px;
  position: relative;
}
.about-block-title::after {
  content: "";
  display: block;
  width: 48px; height: 3px;
  border-radius: 3px;
  background: var(--grad);
  margin: 12px auto 0;
}

.biz-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.biz-card {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 20px 24px;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.biz-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad);
  opacity: 0;
  transition: opacity .25s ease;
}
.biz-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 40px rgba(0,0,0,.4), 0 0 24px rgba(47,227,224,.08);
}
.biz-card:hover::before { opacity: 1; }
.biz-num {
  display: block;
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 14px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.biz-card h4 { font-size: 15px; font-weight: 700; line-height: 1.5; }
.biz-card p { font-size: 12.5px; color: var(--muted); margin-top: 8px; line-height: 1.5; }

.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.adv-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 24px;
  transition: transform .25s ease, border-color .25s ease;
}
.adv-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.adv-card .check-icon { margin-bottom: 16px; }
.adv-card p { font-size: 14px; color: var(--text); line-height: 1.65; }

.about-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 64px;
}
.about-col {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 32px 30px;
}
.about-col-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.about-col-icon {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
  color: var(--cyan-bright);
}
.about-col-icon svg { width: 23px; height: 23px; }
.about-col-head h3 { font-size: 19px; font-weight: 800; }
.about-col > p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.compliance-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.comp-badge {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .02em;
  padding: 6px 16px;
  border-radius: 999px;
  color: var(--cyan-bright);
  background: var(--grad-soft);
  border: 1px solid var(--border-strong);
}

.vision-banner {
  position: relative;
  margin-top: 20px;
  border-radius: 18px;
  padding: 48px 40px;
  text-align: center;
  border: 1px solid var(--border-strong);
  background: linear-gradient(135deg, rgba(47,227,224,.10), rgba(61,123,255,.10));
  overflow: hidden;
}
.vision-glow {
  position: absolute;
  width: 420px; height: 420px;
  top: -260px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(47,227,224,.22), transparent 65%);
  pointer-events: none;
}
.vision-banner h3 {
  position: relative;
  font-size: 22px;
  font-weight: 800;
  color: var(--cyan-bright);
  margin-bottom: 14px;
}
.vision-banner p {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
}

/* 实时行情数据源标识 */
.live-source {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .03);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
}
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8a93a6;
  flex-shrink: 0;
}
.live-dot.live {
  background: #16c784;
  animation: livePulse 1.8s infinite;
}
@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 rgba(22, 199, 132, .55); }
  70%  { box-shadow: 0 0 0 8px rgba(22, 199, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22, 199, 132, 0); }
}

/* ---------------- Privacy Policy ---------------- */
.legal-page {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 70% 55% at 15% 0%, rgba(47,227,224,.12), transparent 64%),
    radial-gradient(ellipse 60% 45% at 90% 8%, rgba(61,123,255,.13), transparent 70%),
    var(--bg);
}
.legal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 9, 15, .84);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.legal-nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.legal-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.legal-main {
  padding: 82px 0 96px;
}
.legal-hero {
  max-width: 900px;
  margin-bottom: 36px;
}
.legal-kicker {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  color: var(--cyan-bright);
  background: rgba(47,227,224,.09);
  border: 1px solid var(--border-strong);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 18px;
}
.legal-title {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.12;
  font-weight: 900;
  margin-bottom: 18px;
}
.legal-intro {
  max-width: 820px;
  color: var(--muted);
  font-size: 17px;
}
.legal-updated {
  margin-top: 20px;
  color: var(--muted-2);
  font-size: 13px;
}
.legal-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}
.legal-toc {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(11,18,29,.78);
  padding: 18px;
}
.legal-toc h2 {
  color: var(--text);
  font-size: 14px;
  margin-bottom: 10px;
}
.legal-toc a {
  display: block;
  color: var(--muted);
  font-size: 13.5px;
  padding: 8px 0;
}
.legal-toc a:hover { color: var(--cyan-bright); }
.legal-content {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(14,23,38,.94), rgba(11,18,29,.94));
  padding: 42px;
}
.legal-section + .legal-section {
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}
.legal-section h2 {
  font-size: 22px;
  line-height: 1.35;
  margin-bottom: 14px;
}
.legal-section p,
.legal-section li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}
.legal-section ul {
  padding-left: 20px;
  display: grid;
  gap: 8px;
}
.legal-notice {
  margin-top: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--grad-soft);
  padding: 18px 20px;
  color: var(--text);
}
.legal-notice p { color: var(--text); }
.legal-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 26px 0;
  color: var(--muted-2);
  font-size: 13px;
  text-align: center;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .biz-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: static; }
}

@media (max-width: 900px) {
  .nav-links, .nav-actions { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner { justify-content: space-between; gap: 16px; }

  .hero { padding: 56px 0 72px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-stats { gap: 32px; }
  .hero-stat strong { font-size: 24px; }

  .steps { grid-template-columns: 1fr; }
  .step-arrow { transform: rotate(90deg); padding: 4px 0; }

  .security-inner { grid-template-columns: 1fr; gap: 48px; }
  .security-visual { height: 360px; }

  .app-banner { grid-template-columns: 1fr; padding: 44px 28px; text-align: center; }
  .app-copy p { margin-left: auto; margin-right: auto; }
  .app-btns, .app-rate { justify-content: center; }

  .market-row { grid-template-columns: 1.6fr 1.2fr 1fr auto; padding: 14px 16px; gap: 10px; }
  .col-high { display: none; }
  .market-row-head .col-high { display: none; }

  .about-intro { grid-template-columns: 1fr; }
  .about-cols { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .announce-text { font-size: 12px; }
  .ticker-price > span:first-child { font-size: 26px; }
  .market-row-head { display: none; }
  .market-row { grid-template-columns: 1.4fr 1fr .8fr; }
  .col-action { display: none; }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: 1fr; }
  .vision-banner { padding: 36px 22px; }
  .vision-banner p { font-size: 15px; }
  .about-block-title { margin-top: 48px; }
  .about-cols { margin-top: 48px; }
  .legal-nav { gap: 14px; }
  .legal-actions .btn { display: none; }
  .legal-main { padding: 56px 0 68px; }
  .legal-content { padding: 26px 20px; border-radius: var(--radius); }
  .legal-section h2 { font-size: 19px; }
}