:root {
  --ink: #152125;
  --muted: #607075;
  --line: #dbe4e5;
  --surface: #ffffff;
  --soft: #f3f7f6;
  --green: #14764f;
  --green-dark: #0d563a;
  --teal: #0e6f82;
  --blue: #175b82;
  --amber: #d88422;
  --shadow: 0 18px 50px rgba(27, 48, 54, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
  background: var(--surface);
}

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: minmax(260px, 1fr) auto auto;
  gap: 22px;
  align-items: center;
  min-height: 76px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(216, 225, 226, 0.86);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  font-weight: 900;
  background: var(--green);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  line-height: 1.25;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  gap: 16px;
  color: #405056;
  font-size: 14px;
  white-space: nowrap;
}

.nav a {
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--green);
  border-bottom-color: var(--green);
}

.header-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  color: #fff;
  font-weight: 800;
  background: var(--green);
  white-space: nowrap;
}

.hero,
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(420px, 1.04fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(46px, 8vw, 92px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(90deg, #eef6f3 0%, #ffffff 48%, #edf7f8 100%);
}

.page-hero {
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.62fr);
}

.hero-copy,
.page-hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: 0;
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 54px);
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
}

.lead,
.hero-text {
  max-width: 680px;
  margin-bottom: 28px;
  color: #394b50;
  font-size: 18px;
}

.hero-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 900;
}

.button.primary {
  color: #fff;
  background: var(--green);
}

.button.primary:hover,
.header-call:hover {
  background: var(--green-dark);
}

.button.secondary {
  color: var(--green-dark);
  border: 1px solid #9fc4b4;
  background: #fff;
}

.hero-stats,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 680px;
  margin: 0;
}

.hero-stats div,
.metric,
.mini-card,
.info-card,
.product-card,
.checklist,
.contact-panel,
.question-card,
.case-card,
.table-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.hero-stats div,
.metric {
  min-height: 96px;
  padding: 16px;
}

.hero-stats dt,
.metric strong {
  display: block;
  color: var(--teal);
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
}

.hero-stats dd,
.metric span {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: #eef5f4;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-left: 6px solid var(--amber);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.section {
  padding: clamp(52px, 7vw, 88px) clamp(20px, 5vw, 72px);
}

.section.compact {
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(34px, 5vw, 56px);
}

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

.section-heading {
  max-width: 860px;
  margin-bottom: 30px;
}

.section-heading p:not(.eyebrow),
.muted {
  color: var(--muted);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 16px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mini-card,
.info-card,
.product-card,
.question-card,
.case-card {
  padding: 24px;
}

.product-card {
  box-shadow: 0 12px 34px rgba(32, 62, 68, 0.08);
}

.product-tag,
.status-tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
  background: #e4f2eb;
}

.status-tag.pending {
  color: #7a4c08;
  background: #fff2d6;
}

.product-card p,
.mini-card p,
.info-card p,
.case-card p,
.question-card p,
.faq-list p {
  color: var(--muted);
}

ul,
ol {
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 24px;
  align-items: start;
}

.checklist {
  padding: 26px;
  border-left: 6px solid var(--amber);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  min-height: 210px;
  padding: 24px;
  border-left: 4px solid var(--green);
  border-radius: 8px;
  background: #fff;
}

.steps span {
  display: block;
  margin-bottom: 20px;
  color: var(--amber);
  font-size: 28px;
  font-weight: 900;
}

.steps strong {
  display: block;
  margin-bottom: 8px;
  font-size: 19px;
}

.table-card {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th,
td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #304247;
  background: #f7faf9;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 900;
}

.faq-list p {
  margin: 0;
  padding: 0 22px 20px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: 30px;
  align-items: center;
  padding: clamp(52px, 7vw, 88px) clamp(20px, 5vw, 72px);
  color: #fff;
  background:
    linear-gradient(110deg, rgba(17, 72, 58, 0.96), rgba(14, 83, 94, 0.94)),
    #125747;
}

.contact h2,
.contact p {
  max-width: 760px;
}

.contact p {
  color: rgba(255, 255, 255, 0.84);
}

.contact .eyebrow {
  color: #f3b75d;
}

.contact-panel {
  padding: 24px;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.contact-panel div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.contact-panel span {
  color: var(--muted);
}

.contact-panel a,
.contact-panel strong {
  color: var(--green-dark);
  font-size: 18px;
  font-weight: 900;
}

.button.full {
  width: 100%;
  margin-top: 20px;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  font-size: 14px;
  background: #f5f7f7;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.placeholder {
  display: grid;
  min-height: 220px;
  place-items: center;
  padding: 24px;
  border: 1px dashed #b8c8cb;
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  background: #f8fbfb;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.trust-item {
  min-height: 118px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.trust-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--green-dark);
  font-size: 18px;
}

.answer-block {
  padding: 24px;
  border: 1px solid #bcd8cf;
  border-left: 6px solid var(--green);
  border-radius: 8px;
  background: #f7fbf9;
}

.answer-block p:last-child,
.trust-item p:last-child {
  margin-bottom: 0;
}

.data-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.data-list li {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.data-list strong {
  color: #31464c;
}

.cta-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid #bcd8cf;
  border-radius: 8px;
  background: #f7fbf9;
}

.cta-inline p {
  max-width: 760px;
  margin: 0;
  color: #40565c;
}

.freshness {
  display: inline-flex;
  margin-top: 18px;
  padding: 6px 10px;
  border: 1px solid #cbdadb;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.76);
}

.footer-meta {
  color: #738186;
  font-size: 13px;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .nav {
    grid-column: 1 / -1;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .page-hero,
  .contact,
  .split {
    grid-template-columns: 1fr;
  }

  .grid-4,
  .trust-strip,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    gap: 12px;
  }

  .brand strong {
    font-size: 14px;
  }

  .header-call {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 27px;
  }

  .hero,
  .page-hero {
    padding-top: 38px;
  }

  .hero-stats,
  .metric-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .trust-strip,
  .steps {
    grid-template-columns: 1fr;
  }

  .data-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .lead,
  .hero-text {
    font-size: 16px;
  }

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

  .site-footer {
    grid-template-columns: 1fr;
  }
}