:root {
  --bg1: #8b6f47;
  --bg2: #7a5f3a;
  --bg3: #6a4f2e;
  --card: rgba(255, 255, 255, 0.2);
  --card2: rgba(255, 255, 255, 0.15);
  --text: rgba(255, 255, 255, 0.98);
  --muted: rgba(255, 255, 255, 0.85);
  --muted2: rgba(255, 255, 255, 0.75);
  --stroke: rgba(255, 255, 255, 0.3);
  --shadow: 0 18px 60px rgba(139, 111, 71, 0.4);
  --shadow2: 0 12px 40px rgba(139, 111, 71, 0.35);
  --radius: 20px;
  --radius2: 26px;
  --maxw: 1120px;
  --accent: #ffffff;
  --like: #ff6b9d;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    "Noto Sans CJK SC",
    sans-serif;
  color: var(--text);
  /* 统一纯色背景（避免页面出现深浅渐变块） */
  background: var(--bg1);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(var(--maxw), calc(100% - 48px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px) saturate(180%);
  background: rgba(139, 111, 71, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 20px rgba(139, 111, 71, 0.25);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 140px;
}

.brand__logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.brand__name {
  font-weight: 800;
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav__link {
  font-size: 14px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  transition: 180ms ease;
}

.nav__link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav__cta {
  color: #0b45cf;
  background: rgba(255, 255, 255, 0.92);
  font-weight: 700;
}

.nav__cta:hover {
  background: #ffffff;
  transform: translateY(-1px);
}

.hero {
  padding: 62px 0 30px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.95);
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(139, 111, 71, 0.35);
}

.hero__title {
  margin: 18px 0 14px;
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.5px;
  font-weight: 800;
}

.hero__subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.2px;
  transition: 180ms ease;
  user-select: none;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.12);
}

.btn--primary {
  border: none;
  background: rgba(255, 255, 255, 0.95);
  color: #8b6f47;
  box-shadow: var(--shadow2);
  font-weight: 800;
}

.btn--primary:hover {
  background: #fff;
}

.btn--ghost {
  background: rgba(0, 0, 0, 0.12);
}

.btn--large {
  padding: 14px 18px;
  border-radius: 16px;
  min-width: 150px;
}

.hero__meta {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 560px;
}

.hero__metaItem {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 12px 12px;
}

.hero__metaStrong {
  display: block;
  font-weight: 800;
}

.hero__metaText {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.hero__visual {
  position: relative;
  min-height: 520px;
}

.device {
  position: relative;
  width: min(420px, 100%);
  margin-left: auto;
  border-radius: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.device__top {
  padding: 14px 16px 10px;
  display: flex;
  justify-content: center;
}

.device__pill {
  width: 128px;
  height: 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.device__screen {
  padding: 18px 18px 22px;
}

.card {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.10);
  padding: 14px 14px;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.18);
}

.card--profile {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
}

.card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 22px;
  background:
    radial-gradient(60% 60% at 30% 30%, rgba(255, 255, 255, 0.24), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(0, 0, 0, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.16);
}

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

.card__name {
  font-weight: 900;
}

.card__tag {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.84);
}

.card__desc {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  line-height: 1.55;
}

.card__chips {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.82);
}

.bubble {
  margin-top: 12px;
  max-width: 88%;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.10);
  color: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  line-height: 1.5;
}

.bubble--left {
  border-top-left-radius: 10px;
}

.bubble--right {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.16);
  border-top-right-radius: 10px;
}

.actionsRow {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 14px;
}

.iconBtn {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.14);
  color: rgba(255, 255, 255, 0.92);
  font-size: 20px;
  font-weight: 900;
  cursor: pointer;
  transition: 180ms ease;
}

.iconBtn:hover {
  transform: translateY(-1px);
  background: rgba(0, 0, 0, 0.18);
}

.iconBtn--like {
  background: rgba(255, 59, 117, 0.16);
  border-color: rgba(255, 59, 117, 0.35);
}

.glow {
  position: absolute;
  inset: auto auto 0 0;
  width: 340px;
  height: 340px;
  filter: blur(40px);
  opacity: 0.8;
  pointer-events: none;
}

.glow--a {
  left: -80px;
  bottom: -80px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.26), transparent 60%);
}

.glow--b {
  right: -120px;
  top: 40px;
  left: auto;
  bottom: auto;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.18), transparent 60%);
}

.section {
  padding: 64px 0;
}

.section--alt {
  /* 与全站背景保持一致，仅保留轻分割线 */
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.section__title {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 34px);
  letter-spacing: -0.3px;
  font-weight: 800;
}

.section__lead {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 760px;
}

.grid {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature,
.panel {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
  padding: 24px 22px;
  box-shadow: 0 10px 28px rgba(139, 111, 71, 0.3);
  transition: all 0.3s ease;
}

.feature:hover,
.panel:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(139, 111, 71, 0.4);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
}

.feature__title,
.panel__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.feature__desc {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
  font-size: 15px;
}

.panel__list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
}

.note {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.76);
}

.note a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.steps {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.step {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
  padding: 24px 22px;
  display: flex;
  gap: 16px;
  transition: all 0.3s ease;
}

.step:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(139, 111, 71, 0.4);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.35);
}

.step__num {
  width: 36px;
  height: 36px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #8b6f47;
  background: rgba(255, 255, 255, 0.95);
}

.step__title {
  font-weight: 900;
}

.step__desc {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.65;
  font-size: 14px;
}

.section--cta {
  padding: 54px 0;
}

.cta {
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background:
    radial-gradient(900px 400px at 10% 0%, rgba(255, 255, 255, 0.25), transparent 55%),
    rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow);
  padding: 40px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta__title {
  margin: 0;
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.3px;
}

.cta__desc {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.7;
  max-width: 650px;
}

.cta__right {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.faq {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

.faq__item {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
  padding: 18px 20px;
  transition: all 0.3s ease;
}

.faq__item:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
}

.faq__q {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.faq__q::-webkit-details-marker {
  display: none;
}

.faq__a {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.75;
}

.footer {
  padding: 40px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: transparent;
}

.footer__inner {
  display: grid;
  gap: 18px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer__logo {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
}

.footer__name {
  font-weight: 900;
  font-size: 16px;
}

.footer__desc {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.footer__cols {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 16px;
}

.footer__colTitle {
  font-weight: 900;
  margin-bottom: 10px;
}

.footer__link {
  display: inline-block;
  color: rgba(255, 255, 255, 0.74);
  padding: 6px 0;
}

.footer__link:hover {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer__text {
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  line-height: 1.7;
  padding: 3px 0;
}

.footer__bottom {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.92);
  padding: 10px 12px;
  border-radius: 14px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  transition: 220ms ease;
  max-width: min(520px, calc(100% - 40px));
  text-align: center;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

@media (max-width: 980px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: auto;
  }

  .device {
    margin: 18px auto 0;
  }

  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .cta__right {
    justify-content: flex-start;
  }

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

@media (max-width: 560px) {
  .nav {
    display: none;
  }

  .hero {
    padding-top: 44px;
  }

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

  .grid--3 {
    grid-template-columns: 1fr;
  }
}