:root {
  --ink: #17211f;
  --muted: #5c6965;
  --line: #dfe8e3;
  --paper: #fbfdfb;
  --soft: #eef6f0;
  --mint: #0f8f72;
  --mint-dark: #0a5f4d;
  --gold: #c9912f;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(23, 33, 31, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui,
    sans-serif;
  line-height: 1.6;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 14px clamp(18px, 5vw, 68px);
  border-bottom: 1px solid rgba(223, 232, 227, 0.9);
  background: rgba(251, 253, 251, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--white);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--mint), var(--gold));
}

.site-nav {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.site-nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--mint-dark);
  background: var(--soft);
}

.nav-action,
.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 11px 18px;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.nav-action,
.primary-button {
  color: var(--white);
  background: var(--mint);
  box-shadow: 0 10px 24px rgba(15, 143, 114, 0.22);
}

.secondary-button {
  color: var(--mint-dark);
  background: var(--white);
  border-color: var(--line);
}

.nav-action:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.full {
  width: 100%;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 72px));
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: clamp(72px, 10vw, 120px) clamp(20px, 7vw, 88px);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(251, 253, 251, 0.96) 0%, rgba(251, 253, 251, 0.82) 42%, rgba(251, 253, 251, 0.08) 100%),
    linear-gradient(180deg, rgba(251, 253, 251, 0.12), rgba(251, 253, 251, 0.78));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(690px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--mint-dark);
  font-size: 14px;
  font-weight: 900;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 6.2vw, 78px);
  line-height: 1.06;
  letter-spacing: 0;
}

.hero-copy,
.page-hero p,
.note-band p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.section {
  padding: clamp(58px, 8vw, 96px) clamp(20px, 7vw, 88px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading h2,
.note-band h2,
.order-panel h2,
.pay-box h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.16;
}

.feature-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.price-card,
.order-panel,
.pay-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.feature-card {
  padding: 26px;
}

.feature-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  border-radius: 8px;
  background: var(--mint);
  font-weight: 900;
}

.feature-card h3,
.price-card h2 {
  margin: 18px 0 8px;
}

.feature-card p,
.price-desc,
.secure-list,
.form-tip {
  color: var(--muted);
}

.process-band,
.note-band {
  background: var(--soft);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  padding: 22px;
  border-top: 4px solid var(--mint);
  background: var(--white);
  border-radius: 8px;
}

.process-list span {
  color: var(--gold);
  font-weight: 900;
}

.process-list strong {
  display: block;
  margin-top: 10px;
  font-size: 20px;
}

.page-hero {
  padding: clamp(68px, 10vw, 118px) clamp(20px, 7vw, 88px) 48px;
  background:
    linear-gradient(120deg, rgba(238, 246, 240, 0.94), rgba(255, 255, 255, 0.84)),
    url("./hero.png") center / cover;
}

.page-hero.compact {
  padding-bottom: 34px;
}

.page-hero h1 {
  max-width: 850px;
  font-size: clamp(38px, 5vw, 64px);
}

.pricing-grid {
  align-items: stretch;
}

.price-card {
  padding: 28px;
}

.price-card.highlight {
  border-color: rgba(15, 143, 114, 0.45);
}

.tag {
  display: inline-flex;
  margin: 0;
  padding: 5px 10px;
  color: var(--mint-dark);
  background: var(--soft);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.price {
  margin: 12px 0 4px;
  color: var(--mint-dark);
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
}

.price span {
  font-size: 24px;
}

.consult-price {
  margin: 16px 0 10px;
  color: var(--gold);
  font-size: 42px;
  font-weight: 900;
}

.price-card ul,
.secure-list ul {
  padding-left: 20px;
}

.price-card li,
.secure-list li {
  margin: 10px 0;
}

.payment-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 22px;
  align-items: start;
}

.order-panel,
.pay-panel {
  padding: 28px;
}

label {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  color: var(--ink);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

textarea {
  resize: vertical;
}

button {
  margin-top: 20px;
  font: inherit;
}

.pay-summary {
  padding: 24px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--mint-dark), var(--mint));
}

.pay-summary p,
.pay-summary span {
  margin: 0;
  opacity: 0.9;
}

.pay-summary strong {
  display: block;
  margin: 10px 0 6px;
  font-size: 52px;
  line-height: 1;
}

.pay-box {
  margin-top: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.alipay-box {
  border-color: rgba(22, 119, 255, 0.28);
  background: linear-gradient(180deg, #ffffff, #f7fbff);
}

.scan-icon {
  display: inline-grid;
  width: 54px;
  height: 54px;
  place-items: center;
  color: var(--white);
  border-radius: 8px;
  background: var(--gold);
  font-size: 26px;
  font-weight: 900;
}

.alipay-icon {
  background: #1677ff;
}

.pay-title-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
}

.pay-title-row h2 {
  margin: 0;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  color: #0f5fc9;
  background: #e8f2ff;
  font-size: 13px;
  font-weight: 900;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 7vw, 88px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--white);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .site-nav {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .nav-action {
    width: 100%;
  }

  .hero {
    min-height: 680px;
    align-items: flex-end;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(251, 253, 251, 0.58), rgba(251, 253, 251, 0.98) 56%);
  }

  .feature-grid,
  .pricing-grid,
  .process-list,
  .payment-layout {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-nav a {
    padding: 7px 9px;
    font-size: 14px;
  }

  h1 {
    font-size: 38px;
  }

  .section,
  .page-hero,
  .hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .price {
    font-size: 48px;
  }
}