/**
 * FXPPAY 2.0 — 视觉与布局
 * 背景层级、玻璃拟态、触感设计、四模块布局
 */

:root {
  --fxp2-bg: #050505;
  --fxp2-orb-indigo: rgba(99, 102, 241, 0.1);
  --fxp2-orb-purple: rgba(168, 85, 247, 0.1);
  --fxp2-glass: rgba(255, 255, 255, 0.08);
  --fxp2-glass-border: rgba(255, 255, 255, 0.12);
  --fxp2-glass-highlight: rgba(255, 255, 255, 0.1);
  --fxp2-text: #ffffff;
  --fxp2-text-muted: rgba(255, 255, 255, 0.75);
  --fxp2-gradient-title: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #c084fc 100%);
  --fxp2-font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
  --fxp2-radius-card: 24px;
  --fxp2-radius-btn: 14px;
  --fxp2-blur-orb: 150px;
  --fxp2-blur-glass: 25px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--fxp2-font);
  background: var(--fxp2-bg);
  color: var(--fxp2-text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ========== 背景层级：底层 + 中层光晕 ========== */
.fxp2-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.fxp2-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(var(--fxp2-blur-orb));
  -webkit-filter: blur(var(--fxp2-blur-orb));
  will-change: transform;
}

.fxp2-orb--tl {
  width: 80vmax;
  height: 80vmax;
  top: -30vmax;
  left: -20vmax;
  background: radial-gradient(circle, var(--fxp2-orb-indigo) 0%, transparent 70%);
  animation: fxp2-float 18s ease-in-out infinite;
}

.fxp2-orb--br {
  width: 70vmax;
  height: 70vmax;
  bottom: -25vmax;
  right: -20vmax;
  background: radial-gradient(circle, var(--fxp2-orb-purple) 0%, transparent 70%);
  animation: fxp2-float 22s ease-in-out infinite reverse;
}

@keyframes fxp2-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(3%, 4%) scale(1.05); }
}

/* ========== 玻璃卡片：触感设计 ========== */
.fxp-glass-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(var(--fxp2-blur-glass));
  -webkit-backdrop-filter: blur(var(--fxp2-blur-glass));
  border: 1px solid var(--fxp2-glass-border);
  box-shadow: inset 0 1px 1px var(--fxp2-glass-highlight);
  border-radius: var(--fxp2-radius-card);
  position: relative;
  z-index: 1;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.fxp-glass-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 18px 45px rgba(0, 0, 0, 0.6),
    inset 0 1px 1px var(--fxp2-glass-highlight);
}

/* ========== 悬浮动态岛导航 ========== */
.fxp2-nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 10px 20px 10px 24px;
  min-height: 52px;
  max-width: min(92vw, 560px);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--fxp2-glass-border);
  box-shadow: inset 0 1px 1px var(--fxp2-glass-highlight);
  border-radius: 999px;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease, min-height 0.35s ease;
}

.fxp2-nav.fxp2-nav--scrolled {
  top: 12px;
  padding: 8px 16px 8px 20px;
  min-height: 44px;
  max-width: min(90vw, 480px);
}

.fxp2-nav-brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--fxp2-text);
  text-decoration: none;
  white-space: nowrap;
  font-family: "SF Pro Display", "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.fxp2-nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fxp2-nav-links a {
  color: var(--fxp2-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

.fxp2-nav-links a:hover {
  color: var(--fxp2-text);
  background: rgba(255, 255, 255, 0.06);
}

.fxp2-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: var(--fxp2-gradient-title);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.fxp2-nav-cta:hover {
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.5);
}

.fxp2-nav-cta:active {
  transform: scale(0.95);
}

@media (max-width: 640px) {
  .fxp2-nav {
    flex-wrap: wrap;
    justify-content: center;
    padding: 12px 16px;
    gap: 10px;
  }
  .fxp2-nav-links span:not(.fxp2-nav-cta) { display: none; }
  .fxp2-nav-links a { padding: 8px 12px; font-size: 0.85rem; }
}

/* ========== 主内容区 ========== */
.fxp2-main {
  position: relative;
  z-index: 1;
  padding: 120px 24px 80px;
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .fxp2-main { padding: 100px 20px 60px; }
}

/* ========== 英雄看板 ========== */
.fxp2-hero {
  margin-bottom: 48px;
}

.fxp2-hero-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  margin-bottom: 32px;
  background: var(--fxp2-gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fxp2-hero-card {
  padding: 32px 28px;
  margin: 0 auto;
  max-width: 420px;
}

.fxp2-hero-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fxp2-text-muted);
  margin-bottom: 8px;
}

.fxp2-hero-balance {
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--fxp2-gradient-title);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fxp2-hero-actions {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.fxp2-hero-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 80px;
  padding: 16px 0;
  color: var(--fxp2-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--fxp2-radius-btn);
  transition: color 0.2s, background 0.2s, transform 0.2s;
}

.fxp2-hero-action:hover {
  color: var(--fxp2-text);
  background: rgba(255, 255, 255, 0.06);
}

.fxp2-hero-action:active {
  transform: scale(0.95);
}

.fxp2-hero-action-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--fxp2-glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fxp2-text);
}

/* ========== 无缝兑换区 ========== */
.fxp2-exchange {
  margin-bottom: 48px;
}

.fxp2-exchange-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--fxp2-text);
}

.fxp2-exchange-card {
  padding: 24px;
}

.fxp2-exchange-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.fxp2-exchange-field {
  flex: 1;
  min-width: 0;
}

.fxp2-exchange-field label {
  display: block;
  font-size: 0.75rem;
  color: var(--fxp2-text-muted);
  margin-bottom: 6px;
}

.fxp2-exchange-field input,
.fxp2-exchange-field select {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--fxp2-glass-border);
  border-radius: 12px;
  color: var(--fxp2-text);
  font-family: var(--fxp2-font);
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.fxp2-exchange-field input::placeholder {
  color: var(--fxp2-text-muted);
}

.fxp2-exchange-field input:focus,
.fxp2-exchange-field select:focus {
  outline: none;
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.fxp2-exchange-arrow {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.25);
  border: 1px solid rgba(99, 102, 241, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a5b4fc;
  font-size: 1rem;
}

.fxp2-exchange-meta {
  font-size: 0.8rem;
  color: var(--fxp2-text-muted);
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.fxp2-exchange-meta span strong {
  color: var(--fxp2-text);
}

/* ========== 信任背书区 ========== */
.fxp2-trust-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--fxp2-text);
}

.fxp2-trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.fxp2-trust-card {
  padding: 20px 18px;
  text-align: center;
}

.fxp2-trust-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fxp2-text);
  margin-bottom: 6px;
}

.fxp2-trust-card p {
  font-size: 0.8rem;
  color: var(--fxp2-text-muted);
  line-height: 1.4;
}

/* ========== 功能卡片区 (Features) ========== */
.fxp2-features {
  margin-bottom: 56px;
}

.fxp2-features-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 22px;
  color: var(--fxp2-text);
}

.fxp2-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.fxp2-feature-card {
  padding: 22px 20px;
}

.fxp2-feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--fxp2-text);
}

.fxp2-feature-card p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--fxp2-text-muted);
}

/* ========== 通用按钮触感 ========== */
.fxp2-btn {
  padding: 12px 24px;
  border-radius: var(--fxp2-radius-btn);
  font-family: var(--fxp2-font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid var(--fxp2-glass-border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--fxp2-text);
}

.fxp2-btn:active {
  transform: scale(0.95);
}

.fxp2-btn-primary {
  background: var(--fxp2-gradient-title);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.fxp2-btn-primary:hover {
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.45);
}

/* ========== 页脚与系统状态 ========== */
.fxp2-footer {
  padding: 32px 24px 80px;
  max-width: 900px;
  margin: 0 auto;
  color: var(--fxp2-text-muted);
  font-size: 0.85rem;
}

.fxp2-footer-slogan {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--fxp2-text);
}

.fxp2-footer-legal {
  margin-bottom: 14px;
  line-height: 1.5;
}

.fxp2-footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.fxp2-footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.fxp2-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  animation: fxp2-pulse 1.6s ease-out infinite;
}

@keyframes fxp2-pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  }
  70% {
    transform: scale(1.3);
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

/* ========== 固定 X 链接 ========== */
.fxp2-x-link {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  padding: 12px 18px;
  background: rgba(30, 30, 30, 0.95);
  border: 1px solid var(--fxp2-glass-border);
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--fxp2-radius-btn);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s;
}

.fxp2-x-link:hover {
  color: #fff;
  background: rgba(40, 40, 40, 0.98);
}

.fxp2-x-link:active {
  transform: scale(0.95);
}

@media (max-width: 480px) {
  .fxp2-x-link { bottom: 16px; right: 16px; padding: 10px 14px; font-size: 0.85rem; }
}

/* ========== 参考图五段式结构：Header / Hero / Value / How / Scenarios / Footer ========== */

.lp-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.lp-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.lp-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  font-family: "SF Pro Display", "Montserrat", system-ui, sans-serif;
}

.lp-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.9);
  padding: 6px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.9);
}

.lp-logo-text {
  letter-spacing: 0.04em;
}

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

.lp-nav a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 16px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.lp-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.lp-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.lp-cta:hover {
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.5);
}

.lp-cta:active {
  transform: scale(0.95);
}

.lp-cta--header { flex-shrink: 0; }
.lp-cta--block { margin-top: 24px; width: 100%; max-width: 200px; }
.lp-cta--footer { flex-shrink: 0; }

/* Hero：深色区，两列 + 底部合作伙伴 */
.lp-hero {
  position: relative;
  z-index: 1;
  padding: 120px 24px 80px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.97) 0%, rgba(30, 27, 75, 0.95) 100%);
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lp-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.lp-hero-left {
  max-width: 520px;
}

.lp-hero-brand {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 8px;
  line-height: 1.1;
  background: linear-gradient(135deg, #a5b4fc 0%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lp-hero-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 20px;
  line-height: 1.2;
}

.lp-hero-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 28px;
}

.lp-hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.lp-hero-cards {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1.3;
}

.lp-card {
  position: absolute;
  border-radius: 20px;
  padding: 26px 30px;
  background: linear-gradient(135deg, #7c3aed 0%, #6366f1 50%, #0ea5e9 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 0 60px rgba(129, 140, 248, 0.85),
    0 0 120px rgba(147, 51, 234, 0.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
}

.lp-card::before,
.lp-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  opacity: 0.26;
}

.lp-card::before {
  width: 220%;
  height: 220%;
  top: -60%;
  right: -40%;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.32) 0%, transparent 55%);
}

.lp-card::after {
  width: 160%;
  height: 160%;
  bottom: -40%;
  left: -30%;
  background: radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.45) 0%, transparent 60%);
}

.lp-card--front {
  top: 0;
  left: 4%;
  right: -4%;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.lp-card--back {
  bottom: -6%;
  right: -6%;
  left: 46%;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transform: rotate(-7deg);
}

.lp-card-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lp-card-amount {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.lp-card-icon {
  align-self: flex-end;
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
}

.lp-card-logo {
  position: relative;
  align-self: flex-end;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.2), rgba(15, 23, 42, 0.6));
  box-shadow: 0 0 18px rgba(15, 23, 42, 0.65);
}

.lp-card-number {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.1em;
  font-family: ui-monospace, monospace;
}

.lp-card-date {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 4px;
}

.lp-partners {
  max-width: 1200px;
  margin: 32px auto 0;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 28px 40px;
}

.lp-partner-logo {
  height: 26px;
  max-width: 120px;
  width: auto;
  filter: drop-shadow(0 4px 12px rgba(15, 23, 42, 0.8));
  opacity: 0.9;
}

@media (max-width: 640px) {
  .lp-partner-logo {
    height: 22px;
    max-width: 90px;
  }
}

@media (max-width: 900px) {
  .lp-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .lp-hero-left { margin: 0 auto; }
  .lp-hero-desc { margin-left: auto; margin-right: auto; }
  .lp-hero-right { order: -1; }
}

@media (max-width: 640px) {
  .lp-nav { display: none; }
  .lp-hero { padding-top: 100px; min-height: auto; padding-bottom: 48px; }
}

/* Value Proposition：浅灰底，2x2 紫色卡片 */
.lp-value {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
  background: #f1f5f9;
}

.lp-section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0 0 48px;
}

.lp-section-title--dark {
  color: #6366f1;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lp-value-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.lp-value-card {
  padding: 32px 28px;
  border-radius: 20px;
  background: linear-gradient(135deg, #6366f1 0%, #7c3aed 50%, #a855f7 100%);
  color: #fff;
  box-shadow: 0 16px 40px rgba(99, 102, 241, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.lp-value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(99, 102, 241, 0.45);
}

.lp-value-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 12px;
}

.lp-value-card p {
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0;
  opacity: 0.95;
}

@media (max-width: 700px) {
  .lp-value-grid { grid-template-columns: 1fr; }
}

/* How It Works：深色区，左手机右三步 */
.lp-how {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
  background: linear-gradient(180deg, rgba(30, 27, 75, 0.98) 0%, rgba(15, 23, 42, 0.98) 100%);
}

.lp-section-title--light {
  color: #fff;
  background: linear-gradient(135deg, #a5b4fc 0%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lp-how-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.lp-phone {
  width: 260px;
  margin: 0 auto;
  aspect-ratio: 9/19;
  border-radius: 28px;
  padding: 12px;
  background: #000;
  border: 3px solid #020617;
  box-shadow:
    0 26px 70px rgba(15, 23, 42, 0.9),
    0 0 0 1px rgba(148, 163, 184, 0.4);
}

.lp-phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 18px;
  background: linear-gradient(135deg, #7c3aed 0%, #6366f1 45%, #0ea5e9 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.lp-phone-balance {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
}

.lp-phone-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.lp-phone-actions {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.lp-phone-actions span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.lp-how-right {
  max-width: 420px;
}

.lp-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 28px;
}

.lp-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.lp-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px;
}

.lp-step p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

@media (max-width: 900px) {
  .lp-how-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .lp-how-right { max-width: 100%; }
  .lp-step { justify-content: center; }
  .lp-cta--block { margin-left: auto; margin-right: auto; }
}

/* Application Scenarios：浅灰底，3x2 浅卡 */
.lp-scenarios {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
  background: #f1f5f9;
}

.lp-scenarios-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.lp-scenario-card {
  padding: 28px 24px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-align: center;
}

.lp-scenario-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.1);
}

.lp-scenario-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 16px;
}

.lp-scenario-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 10px;
  line-height: 1.3;
}

.lp-scenario-card p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #64748b;
  margin: 0 0 18px;
}

.lp-cta-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: transparent;
  color: #6366f1;
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid #6366f1;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 0.2s, background 0.2s, color 0.2s;
}

.lp-cta-outline:hover {
  background: #6366f1;
  color: #fff;
}

.lp-cta-outline:active {
  transform: scale(0.95);
}

@media (max-width: 900px) {
  .lp-scenarios-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .lp-scenarios-grid { grid-template-columns: 1fr; }
}

/* Footer：白底，Slogan + 硬币 + Sign Up */
.lp-footer {
  position: relative;
  z-index: 1;
  padding: 64px 24px 48px;
  background: #fff;
  text-align: center;
}

.lp-footer-slogan {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: #6366f1;
  margin: 0 0 40px;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lp-footer-visual {
  max-width: 900px;
  margin: 0 auto 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.lp-footer-coins-img {
  max-width: 520px;
  width: 100%;
  height: auto;
  display: block;
}

.lp-footer-copy {
  font-size: 0.85rem;
  color: #64748b;
  margin: 0;
}

/* FAQ 区块 */
.lp-faq {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
  background: linear-gradient(180deg, #111827 0%, #020617 100%);
}

.lp-faq-title {
  text-align: center;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 40px;
}

.lp-faq-list {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(circle at top left, rgba(129, 140, 248, 0.24), transparent 55%), rgba(15, 23, 42, 0.95);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.9);
  overflow: hidden;
}

.lp-faq-item + .lp-faq-item {
  border-top: 1px solid rgba(148, 163, 184, 0.5);
}

.lp-faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  color: #e5e7eb;
  font-size: 1rem;
  text-align: left;
}

.lp-faq-question:hover {
  background: rgba(15, 23, 42, 0.8);
}

.lp-faq-icon {
  font-size: 1.25rem;
  color: rgba(148, 163, 184, 0.9);
}

.lp-faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height 0.3s ease;
}

.lp-faq-answer p {
  margin: 0 0 20px;
  color: rgba(209, 213, 219, 0.96);
  font-size: 0.95rem;
  line-height: 1.6;
}

.lp-faq-item.is-open .lp-faq-answer {
  /* max-height 在 JS 中动态设置 */
}

/* 底部资讯栏 */
.lp-footer-info {
  background: #020617;
  padding: 48px 24px 32px;
  color: rgba(148, 163, 184, 0.9);
}

.lp-footer-info-inner {
  max-width: 1100px;
  margin: 0 auto 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}

.lp-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 200px;
}

.lp-footer-logo {
  width: 28px;
  height: 28px;
}

.lp-footer-brand-name {
  font-weight: 700;
  color: #e5e7eb;
  letter-spacing: 0.04em;
}

.lp-footer-columns {
  display: grid;
  flex: 2 1 500px;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 24px;
}

.lp-footer-column h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #e5e7eb;
  margin: 0 0 10px;
}

.lp-footer-column a {
  display: block;
  font-size: 0.85rem;
  color: rgba(148, 163, 184, 0.9);
  text-decoration: none;
  margin-bottom: 6px;
}

.lp-footer-column a:hover {
  color: #e5e7eb;
}

.lp-footer-info-bottom {
  max-width: 1100px;
  margin: 0 auto;
  font-size: 0.8rem;
  color: rgba(107, 114, 128, 1);
}

@media (max-width: 900px) {
  .lp-footer-columns {
    grid-template-columns: repeat(3, minmax(120px, 1fr));
  }
}

@media (max-width: 640px) {
  .lp-footer-columns {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}