.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
  padding: 72px 0 56px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
}

.hero h1 {
  margin: 16px 0 18px;
  font-size: clamp(38px, 5.2vw, 62px);
  line-height: 1.12;
  letter-spacing: 1px;
  font-weight: 700;
}

.lead {
  margin: 0;
  max-width: 520px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-note {
  margin: 18px 0 0;
  font-size: 12px;
  color: var(--dim);
}

/* 手机 mock */
.phone-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 20px 0;
}

.phone-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(99, 102, 241, 0.35), rgba(99, 102, 241, 0) 66%);
  filter: blur(10px);
}

.phone {
  position: relative;
  width: 310px;
  padding: 10px;
  border-radius: 44px;
  background: linear-gradient(160deg, #334155, #131c31 55%, #1e293b);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.phone-notch {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 96px;
  height: 20px;
  border-radius: 999px;
  background: #0b1220;
  z-index: 2;
}

.screen {
  position: relative;
  border-radius: 36px;
  overflow: hidden;
  background-color: #080B14;
  background-image: radial-gradient(120% 50% at 50% 0%, rgba(99, 102, 241, 0.22), rgba(8, 11, 20, 0) 60%);
  padding: 22px 18px 0;
  height: 590px;
  display: flex;
  flex-direction: column;
  font-size: 11px;
  color: var(--text);
}

.statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: #CBD5E1;
  padding: 0 4px;
}

.status-icons {
  letter-spacing: 1px;
  font-size: 8px;
}

.app-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 26px 0 16px;
}

.app-date {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1px;
}

.app-head strong {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.mock-card {
  background: rgba(20, 27, 45, 0.78);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
}

.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
}

.mock-row b {
  font-size: 21px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.mock-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.07);
  margin: 12px 0;
}

.mock-label {
  font-size: 10px;
  color: var(--dim);
}

.mock-slots {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.mock-slots div {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 9px 0;
  border-radius: 10px;
  background: rgba(8, 11, 20, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mock-slots b {
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.mock-slots span {
  font-size: 8px;
  color: var(--dim);
}

.mock-now {
  margin-top: 10px;
  font-size: 9px;
  color: #C7D2FE;
}

.mock-dial {
  width: 128px;
  height: 128px;
  margin: 26px auto 0;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: linear-gradient(150deg, #6D6FF5, #4F46E5);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 16px 44px rgba(79, 70, 229, 0.42);
}

.mock-dial span {
  font-size: 15px;
  font-weight: 600;
}

.mock-dial small {
  font-size: 9px;
  color: rgba(241, 245, 249, 0.7);
}

.mock-tabbar {
  margin-top: auto;
  display: flex;
  justify-content: space-around;
  padding: 12px 0 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--dim);
  font-size: 9px;
}

.mock-tabbar .on {
  color: var(--accent);
}

/* 区块 */
.section {
  padding: 64px 0 0;
}

.section-head {
  max-width: 620px;
  margin-bottom: 28px;
}

.section-head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.3;
  font-weight: 650;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature {
  padding: 24px;
}

.feature h3 {
  margin: 18px 0 8px;
  font-size: 17px;
}

.feature p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
}

.feature-icon {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(129, 140, 248, 0.12);
  border: 1px solid rgba(129, 140, 248, 0.24);
}

.icon-clock::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  border: 1.5px solid #A5B4FC;
}

.icon-clock::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 14px;
  width: 1.5px;
  height: 8px;
  background: #A5B4FC;
  box-shadow: 3px 7px 0 -0.2px #A5B4FC;
}

.icon-check::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 11px;
  width: 16px;
  height: 9px;
  border-left: 2px solid #A5B4FC;
  border-bottom: 2px solid #A5B4FC;
  transform: rotate(-45deg);
}

.icon-wave::before,
.icon-wave::after {
  content: "";
  position: absolute;
  left: 9px;
  right: 9px;
  height: 1.5px;
  background: #A5B4FC;
  border-radius: 2px;
  transform: rotate(-8deg);
}

.icon-wave::before { top: 16px; }
.icon-wave::after { top: 23px; transform: rotate(8deg); }

/* 步骤 */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.steps li {
  display: flex;
  gap: 14px;
  padding: 22px;
  border-radius: 18px;
  background: rgba(20, 27, 45, 0.5);
  border: 1px solid var(--line);
}

.step-no {
  font-size: 12px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  padding-top: 3px;
}

.steps h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.steps p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

/* 隐私边界 */
.privacy {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  padding: 32px;
  background: linear-gradient(140deg, rgba(20, 27, 45, 0.82), rgba(20, 27, 45, 0.45));
}

.privacy h2 {
  margin: 12px 0 12px;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.35;
}

.privacy p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
}

.checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-self: center;
}

.checks li {
  position: relative;
  padding-left: 26px;
  font-size: 13px;
  color: #CBD5E1;
}

.checks li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 8px;
  height: 13px;
  border-right: 1.5px solid var(--ok);
  border-bottom: 1.5px solid var(--ok);
  transform: rotate(40deg);
}

/* CTA */
.cta {
  padding: 64px 0 0;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 34px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.32), rgba(20, 27, 45, 0.72));
  border-color: rgba(129, 140, 248, 0.28);
}

.cta-panel h2 {
  margin: 10px 0 8px;
  font-size: clamp(22px, 2.8vw, 30px);
}

.cta-panel p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.cta-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* 页脚品牌 */
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.footer-brand .logo {
  width: 22px;
  height: 22px;
  border-radius: 7px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
    gap: 36px;
  }

  .phone-wrap {
    order: -1;
  }

  .phone {
    width: 280px;
  }

  .screen {
    height: 540px;
  }

  .feature-grid,
  .steps {
    grid-template-columns: 1fr;
  }

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

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}