:root {
  --bg: #f8faff;
  --ink: #172033;
  --muted: #8a95a7;
  --line: #edf1f8;
  --blue: #4f5ee8;
  --blue-deep: #4050d1;
  --cyan: #29c7bd;
  --purple: #7e4ce2;
  --green: #16a05d;
  --orange: #f0762f;
  --red: #ef5c5c;
  --shadow: 0 18px 46px rgba(72, 83, 158, 0.13);
  --shadow-strong: 0 30px 70px rgba(82, 91, 194, 0.18);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(65, 205, 192, 0.16), transparent 26%),
    radial-gradient(circle at 86% 12%, rgba(113, 83, 221, 0.12), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, #f6f9ff 58%, #ffffff 100%);
  line-height: 1.72;
  letter-spacing: 0;
  overflow-x: hidden;
}

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

img,
svg {
  display: block;
}

button {
  font: inherit;
}

.container {
  width: calc(100% - 32px);
  max-width: 1120px;
  margin: 0 auto;
}

.container.narrow {
  width: calc(100% - 32px);
  max-width: 720px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 255, 0.92);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: calc(100% - 32px);
  max-width: 1120px;
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  position: relative;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #2856ce;
  font-size: 24px;
  font-weight: 900;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  color: #5d6880;
  font-size: 16px;
  font-weight: 800;
}

.nav-links a {
  transition: color 160ms ease;
}

.nav-links a:hover,
.nav-highlight {
  color: #315bdc;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: #5d6880;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}

.menu-icon {
  width: 28px;
  height: 28px;
}

.mobile-menu {
  position: absolute;
  inset: 100% 0 auto;
  padding: 18px 24px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  text-align: center;
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  color: #46536a;
  font-size: 18px;
  font-weight: 800;
}

.hero {
  padding: 54px 0 18px;
  text-align: center;
}

.hero-inner {
  min-height: 230px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 26px;
  border: 1px solid rgba(91, 104, 220, 0.12);
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(82, 91, 194, 0.1);
  animation: floatBadge 3.2s ease-in-out infinite;
}

.hero-badge-icon {
  width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
}

.hero-badge-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-badge h1 {
  min-width: 0;
  margin: 0;
  color: transparent;
  background: linear-gradient(90deg, #2564da, #684fde 70%);
  -webkit-background-clip: text;
  background-clip: text;
  font-size: 31px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.hero-subtitle,
.hero-price {
  margin: 18px 0 0;
  color: #778397;
  font-size: 18px;
}

.hero-price {
  margin-top: 4px;
  color: var(--blue);
  font-weight: 900;
}

@keyframes floatBadge {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.section {
  padding: 56px 0;
}

.section-title {
  margin: 0 0 44px;
  text-align: center;
  font-size: 31px;
  line-height: 1.25;
}

.section-title-inline {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  font-size: 27px;
}

.section-title-inline span {
  color: var(--blue);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.feature-card {
  min-height: 222px;
  padding: 32px;
  border: 1px solid rgba(232, 237, 248, 0.9);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow);
  max-width: 100%;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 16px;
  font-size: 26px;
  font-weight: 900;
}

.feature-icon svg {
  width: 29px;
  height: 29px;
}

.icon-indigo {
  color: #4e59de;
  background: #eef0ff;
}

.icon-blue {
  color: #2371dc;
  background: #edf5ff;
}

.icon-purple {
  color: #7b4de2;
  background: #f3edff;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  overflow-wrap: anywhere;
}

.feature-card p {
  margin: 0;
  color: #9aa4b5;
  font-size: 15px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.process {
  text-align: center;
}

.process-pill {
  max-width: 880px;
  margin: 0 auto;
  padding: 26px 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  border: 1px solid rgba(87, 99, 225, 0.1);
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow);
}

.process-step {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #3b465a;
  font-size: 17px;
  font-weight: 850;
}

.process-step span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 15px;
}

.process-pill i {
  color: #d0d6e5;
  font-style: normal;
  font-size: 22px;
}

.process-note {
  margin: 24px 0 0;
  color: #9aa4b5;
  font-size: 14px;
}

.process-note a {
  color: var(--blue);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.package-card {
  overflow: hidden;
  border: 1px solid rgba(98, 111, 225, 0.18);
  border-radius: 32px;
  background: #fff;
  box-shadow: var(--shadow-strong);
}

.package-bar {
  padding: 14px 20px;
  text-align: center;
  color: #fff;
  background: linear-gradient(90deg, #34c7ba, #5a62e5 62%, #4556d8);
  font-size: 15px;
  font-weight: 900;
}

.package-body {
  padding: 42px 48px 46px;
  text-align: center;
}

.package-body h2 {
  margin: 0 0 28px;
  font-size: 28px;
}

.package-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 38px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 28px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.2;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn svg {
  width: 20px;
  height: 20px;
}

.btn-primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 12px 28px rgba(79, 94, 232, 0.26);
}

.btn-primary:hover {
  background: var(--blue-deep);
}

.btn-secondary {
  color: #5c6679;
  background: #fff;
  border-color: #dfe5f0;
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(23, 32, 51, 0.05);
}

.price-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin-bottom: 28px;
}

.price-wrap {
  position: relative;
}

.sale-label {
  position: absolute;
  top: -24px;
  left: -22px;
  padding: 4px 12px;
  border-radius: 12px 12px 12px 0;
  color: #fff;
  background: var(--orange);
  box-shadow: 0 6px 14px rgba(240, 118, 47, 0.2);
  transform: rotate(-12deg);
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.main-price {
  color: #2467d8;
  font-size: 58px;
  line-height: 1;
  font-weight: 950;
}

.price-row p {
  max-width: 180px;
  margin: 0;
  color: #9aa4b5;
  text-align: left;
  font-size: 14px;
}

.green-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  margin: 0 0 34px;
  color: var(--green);
  font-size: 18px;
  font-weight: 900;
}

.green-line svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
}

.divider {
  height: 1px;
  margin: 0 0 30px;
  background: var(--line);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}

.compare-card {
  position: relative;
  min-height: 390px;
  padding: 42px 44px;
  border-radius: 28px;
  background: #fff;
  text-align: center;
}

.compare-muted {
  border: 1px solid #edf1f8;
  box-shadow: 0 14px 30px rgba(23, 32, 51, 0.06);
  opacity: 0.84;
}

.compare-strong {
  border: 2px solid rgba(95, 106, 229, 0.15);
  box-shadow: 0 32px 80px rgba(82, 91, 194, 0.18);
}

.recommend {
  position: absolute;
  top: -16px;
  right: -10px;
  padding: 7px 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--orange);
  box-shadow: 0 8px 18px rgba(240, 118, 47, 0.2);
  font-size: 12px;
  font-weight: 900;
}

.circle-icon {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  margin: 0 auto 26px;
  border-radius: 50%;
  font-size: 24px;
  font-weight: 900;
}

.danger {
  color: var(--red);
  background: #fff0f0;
}

.success {
  color: var(--blue);
  background: #eff2ff;
}

.success svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.compare-card h3 {
  margin: 0 0 26px;
  font-size: 23px;
}

.bad-list,
.good-list {
  display: inline-grid;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.bad-list li,
.good-list li {
  position: relative;
  padding-left: 30px;
  color: #687386;
  font-size: 15px;
}

.good-list li {
  color: #3f4a60;
  font-size: 16px;
  font-weight: 750;
}

.bad-list li::before,
.good-list li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-size: 18px;
  font-weight: 900;
}

.bad-list li::before {
  content: "×";
  color: var(--red);
}

.good-list li::before {
  content: "✓";
  color: var(--green);
}

.compare-foot {
  margin: 26px 0 0;
  color: #a2abba;
  font-size: 12px;
}

.footer {
  padding: 62px 0 72px;
  text-align: center;
}

.footer-kicker {
  margin: 0 0 8px;
  color: #a1abbc;
  font-size: 14px;
}

.footer h2 {
  margin: 0 0 12px;
  font-size: 28px;
}

.footer-copy {
  margin: 0 auto 36px;
  max-width: 560px;
  color: #7d889a;
  font-size: 15px;
}

.footer-copy strong {
  color: var(--blue);
}

.qr-row {
  display: flex;
  justify-content: center;
  gap: 54px;
  margin-bottom: 54px;
}

.qr-card {
  margin: 0;
  padding: 16px;
  border: 1px solid #edf1f8;
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform 180ms ease;
}

.qr-card:hover {
  transform: scale(1.03);
}

.qr-card img {
  width: 176px;
  height: 176px;
  object-fit: contain;
  border: 1px solid #edf1f8;
  border-radius: 10px;
}

.qr-card figcaption {
  margin-top: 12px;
  color: #5e6a80;
  font-size: 14px;
  font-weight: 900;
}

.footer-note {
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: #b0b8c6;
  font-size: 13px;
}

.footer-note p {
  margin: 4px 0;
}

.floating-wechat {
  position: fixed;
  right: 24px;
  bottom: 22px;
  z-index: 80;
  width: auto;
  min-width: 168px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 999px;
  color: #fff;
  background: #12b51b;
  box-shadow: 0 8px 20px rgba(18, 181, 27, 0.28);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.2;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.floating-wechat:hover {
  transform: translateY(-2px);
  background: #0fa816;
  box-shadow: 0 10px 24px rgba(18, 181, 27, 0.32);
}

.floating-wechat-icon {
  font-size: 17px;
  line-height: 1;
  flex: 0 0 auto;
}

@media (max-width: 860px) {
  .nav-links {
    display: none !important;
  }

  .menu-toggle {
    display: flex !important;
    position: fixed;
    top: 13px;
    right: 14px;
    z-index: 60;
    color: #2856ce;
    background: #fff;
    border: 1px solid #dce4f2;
    box-shadow: 0 8px 18px rgba(40, 86, 206, 0.12);
  }

  .header-inner {
    min-height: 70px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-badge h1 {
    font-size: 26px;
  }

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

  .process-pill {
    max-width: 480px;
    border-radius: 28px;
    flex-direction: column;
    gap: 18px;
  }

  .process-pill i {
    display: none;
  }

  .package-actions,
  .price-row,
  .qr-row {
    flex-direction: column;
  }

  .price-row p {
    max-width: 300px;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .container,
  .container.narrow,
  .header-inner {
    width: calc(100% - 28px);
    max-width: 1120px;
  }

  .brand {
    font-size: 21px;
  }

  .hero-inner {
    min-height: 210px;
  }

  .hero-badge {
    width: 100%;
    justify-content: center;
    gap: 8px;
    padding: 12px 14px;
  }

  .hero-badge h1 {
    font-size: 21px;
  }

  .hero-subtitle,
  .hero-price {
    font-size: 16px;
  }

  .section {
    padding: 44px 0;
  }

  .section-title {
    margin-bottom: 30px;
    font-size: 26px;
  }

  .section-title-inline {
    font-size: 23px;
  }

  .feature-grid {
    gap: 18px;
  }

  .feature-card {
    min-height: auto;
    padding: 26px 22px;
    text-align: center;
  }

  .feature-card p {
    max-width: 280px;
    margin-inline: auto;
    word-break: break-all;
  }

  .feature-icon {
    margin-inline: auto;
  }

  .package-card {
    border-radius: 26px;
  }

  .package-body {
    padding: 34px 24px 36px;
  }

  .package-actions {
    gap: 12px;
  }

  .btn {
    width: 100%;
  }

  .main-price {
    font-size: 50px;
  }

  .compare-card {
    min-height: auto;
    padding: 34px 26px;
  }

  .qr-row {
    gap: 26px;
  }

  .floating-wechat {
    left: auto;
    right: 14px;
    bottom: 14px;
    min-width: 148px;
    width: auto;
    min-height: 40px;
    padding: 9px 16px;
    font-size: 15px;
  }
}