:root {
  --bg: #0b1020;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.14);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --muted2: rgba(255, 255, 255, 0.55);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --primary: #7c3aed;
  --primary2: #22c55e;
  --warn: #f59e0b;
  --radius: 18px;
  --radius2: 26px;
  --w: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Segoe UI, Roboto, Helvetica, Arial;
  color: var(--text);
  background: radial-gradient(1200px 800px at 20% 10%, rgba(124, 58, 237, 0.18), transparent 55%),
    radial-gradient(1200px 800px at 85% 30%, rgba(34, 197, 94, 0.12), transparent 60%),
    radial-gradient(900px 600px at 50% 90%, rgba(59, 130, 246, 0.1), transparent 60%),
    var(--bg);
  overflow-x: hidden;
}

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

.bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.bg__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(closest-side, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
}

.bg__glow {
  position: absolute;
  width: 860px;
  height: 860px;
  border-radius: 50%;
  filter: blur(56px);
  opacity: 0.35;
}

.bg__glow--a {
  left: -220px;
  top: -220px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.65), transparent 65%);
}

.bg__glow--b {
  right: -260px;
  top: 10vh;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.5), transparent 65%);
}

.container {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 18px 64px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 18px;
  backdrop-filter: blur(16px);
  background: rgba(10, 14, 28, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 1), rgba(59, 130, 246, 1));
  box-shadow: 0 16px 30px rgba(124, 58, 237, 0.22);
}

.brand__name {
  opacity: 0.95;
}

.nav {
  display: none;
  gap: 18px;
  opacity: 0.86;
  font-weight: 600;
}

.nav a {
  padding: 8px 10px;
  border-radius: 12px;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.06);
}

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

.btn {
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.11);
}

.btn--lg {
  padding: 12px 18px;
  border-radius: 16px;
}

.btn--primary {
  background: linear-gradient(135deg, rgba(124, 58, 237, 1), rgba(59, 130, 246, 1));
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 40px rgba(124, 58, 237, 0.18);
}

.btn--primary:hover {
  background: linear-gradient(135deg, rgba(124, 58, 237, 1), rgba(34, 197, 94, 1));
}

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.14);
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 30px 0 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-weight: 700;
}

.pill__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 1);
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.14);
}

.hero__title {
  margin: 14px 0 10px;
  font-size: clamp(30px, 4.4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.4px;
}

.hero__titleAccent,
.hero__titleAccent2 {
  display: inline-block;
  margin-left: 10px;
  font-weight: 900;
}

.hero__titleAccent {
  background: linear-gradient(90deg, rgba(124, 58, 237, 1), rgba(59, 130, 246, 1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__titleAccent2 {
  background: linear-gradient(90deg, rgba(34, 197, 94, 1), rgba(245, 158, 11, 1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__desc {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.7;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.badge {
  padding: 9px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
  font-size: 13px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 18px;
}

.metaItem {
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

@media (min-width: 520px) {
  .hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.metaItem__k {
  font-size: 12px;
  color: var(--muted2);
  font-weight: 700;
}

.metaItem__v {
  margin-top: 6px;
  font-weight: 900;
  letter-spacing: 0.2px;
}

.card {
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

.card--glass {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  backdrop-filter: blur(16px);
}

.card__title {
  padding: 18px 18px 10px;
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.2px;
}

.list {
  padding: 0 14px 14px;
}

.list__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 12px 10px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.08);
  margin: 10px 0;
}

.list__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
}

.list__h {
  font-weight: 900;
}

.list__p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.55;
}

.card__footer {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hint {
  color: var(--muted2);
  font-weight: 700;
  font-size: 12.5px;
}

.section {
  padding: 44px 0 0;
}

.section--tight {
  padding-top: 36px;
}

.section__head h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.2px;
}

.section__head p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

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

.feature {
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.feature__icon {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 12px;
  font-size: 18px;
}

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

.feature__desc {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.7;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tags span {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.82);
  font-weight: 800;
  font-size: 12px;
}

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
}

.step {
  padding: 16px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.step__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 34px;
  border-radius: 14px;
  background: rgba(124, 58, 237, 0.16);
  border: 1px solid rgba(124, 58, 237, 0.28);
  font-weight: 900;
}

.step__t {
  margin-top: 10px;
  font-weight: 900;
}

.step__d {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.7;
}

.price {
  position: relative;
  padding: 18px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
}

.price--hot {
  border-color: rgba(124, 58, 237, 0.36);
  box-shadow: 0 28px 70px rgba(124, 58, 237, 0.18);
}

.price__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.16);
  border: 1px solid rgba(124, 58, 237, 0.35);
  font-weight: 900;
  font-size: 12px;
}

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

.price__money {
  margin-top: 10px;
  font-weight: 1000;
  font-size: 30px;
  letter-spacing: -0.4px;
}

.price__money span {
  font-size: 13px;
  color: var(--muted2);
  font-weight: 900;
  margin-left: 6px;
}

.price__note {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.6;
}

.price__list {
  margin: 14px 0 16px;
  display: grid;
  gap: 10px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
}

.tip {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(34, 197, 94, 0.08);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 800;
}

.contact {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-top: 18px;
}

.contact__card {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

.contact__card:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.06);
}

.contact__k {
  color: var(--muted2);
  font-weight: 900;
  font-size: 12px;
}

.contact__v {
  margin-top: 8px;
  font-weight: 1000;
  font-size: 18px;
  letter-spacing: 0.2px;
}

.contact__s {
  margin-top: 6px;
  color: var(--muted);
  font-weight: 800;
  font-size: 12.5px;
}

.faq {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.qa {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  padding: 14px 16px;
}

.qa summary {
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa__a {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.7;
}

.footer {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: space-between;
}

.footer__brand {
  font-weight: 1000;
}

.footer__desc {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.7;
}

.footer__right {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0.86;
  font-weight: 800;
}

.footer__copy {
  margin-top: 16px;
  color: var(--muted2);
  font-weight: 800;
  font-size: 12.5px;
  padding-bottom: 16px;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 100;
}

.modal[data-open="true"] {
  display: flex;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.modal__panel {
  position: relative;
  width: min(520px, 100%);
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(15, 19, 34, 0.88);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal__title {
  font-weight: 1000;
}

.iconBtn {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}

.iconBtn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.form {
  padding: 16px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.field__label {
  color: var(--muted2);
  font-weight: 900;
  font-size: 12px;
}

.field__input {
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  outline: none;
  font-weight: 800;
}

.field__input::placeholder {
  color: rgba(255, 255, 255, 0.45);
  font-weight: 700;
}

.row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.preset {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 10px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 900;
  cursor: pointer;
}

.chip:hover {
  background: rgba(255, 255, 255, 0.08);
}

.form__hint {
  color: var(--muted);
  font-weight: 800;
  font-size: 12.5px;
  line-height: 1.6;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(124, 58, 237, 0.08);
}

.form__actions {
  margin-top: 14px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.qr {
  padding: 16px;
}

.qr__title {
  font-weight: 1000;
  font-size: 16px;
}

.qr__sub {
  margin-top: 6px;
  color: var(--muted);
  font-weight: 800;
  font-size: 13px;
}

.qr__box {
  margin-top: 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.12);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr__img {
  width: 240px;
  height: 240px;
  object-fit: contain;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
}

.qr__hint {
  margin-top: 12px;
  color: var(--muted2);
  font-weight: 800;
  font-size: 12.5px;
  line-height: 1.6;
}

.qr__actions {
  margin-top: 14px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.toast {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.5);
  color: rgba(255, 255, 255, 0.92);
  font-weight: 900;
  display: none;
}

.toast[data-show="true"] {
  display: block;
}

@media (min-width: 880px) {
  .nav {
    display: flex;
  }
  .hero {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 18px;
    padding-top: 38px;
  }
  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .footer__inner {
    flex-direction: row;
    align-items: flex-start;
  }
  .row {
    grid-template-columns: 1fr 1fr;
  }
}