:root {
  color-scheme: light;
  --ink: #18211f;
  --muted: #66706e;
  --soft: #eef1ef;
  --line: #d9dfdc;
  --paper: #f6f7f5;
  --white: #ffffff;
  --green: #0f6354;
  --green-dark: #102c2a;
  --gold: #9a7b52;
  --copper: #b38a61;
  --steel: #344243;
  --shadow: 0 10px 28px rgba(24, 33, 31, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(246, 247, 245, 0.96) 280px),
    var(--paper);
  font-family:
    "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.65;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
  padding: 0 clamp(20px, 6vw, 72px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(217, 223, 220, 0.92);
  box-shadow: 0 8px 26px rgba(24, 33, 31, 0.05);
  backdrop-filter: blur(18px) saturate(115%);
}

.brand,
.nav-links,
.footer-links,
.hero-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  flex: 0 0 auto;
  font-weight: 800;
  white-space: nowrap;
}

.brand-logo {
  display: block;
  width: 168px;
  height: 44px;
}

.nav-links {
  justify-content: flex-end;
  gap: clamp(12px, 2.4vw, 26px);
  color: #53605d;
  font-size: 14px;
  white-space: nowrap;
}

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

.nav-links a[aria-current="page"] {
  text-underline-offset: 6px;
  text-decoration: underline;
  text-decoration-color: rgba(179, 138, 97, 0.85);
}

.hero,
.page-hero {
  position: relative;
  overflow: hidden;
  color: var(--ink);
  background: #f1f3ef;
}

.hero {
  min-height: 86vh;
  display: grid;
  align-items: center;
  padding-top: 72px;
}

.page-hero {
  padding: 158px clamp(20px, 7vw, 88px) 82px;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("../assets/hero-futures.webp");
  background-size: cover;
  background-position: center right;
  filter: saturate(0.72) contrast(0.96);
  transform: scale(1.015);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(246, 247, 245, 0.98) 0%, rgba(246, 247, 245, 0.92) 45%, rgba(246, 247, 245, 0.28) 100%),
    linear-gradient(0deg, rgba(246, 247, 245, 0.9), rgba(246, 247, 245, 0.1) 58%);
}

.page-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(246, 247, 245, 0.98), rgba(246, 247, 245, 0.82)),
    url("../assets/hero-futures.webp") center right / cover;
  filter: saturate(0.82);
}

.hero-content,
.page-hero-inner {
  position: relative;
  z-index: 1;
}

.hero-content {
  width: min(820px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 88px);
  padding-top: 0;
}

.page-hero-inner {
  max-width: 900px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--copper);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(40px, 5.8vw, 70px);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 760;
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 56px);
}

.hero-copy,
.page-hero p:not(.eyebrow) {
  max-width: 700px;
  margin: 24px 0 0;
  color: #4f5d59;
  font-size: clamp(16px, 2vw, 20px);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  line-height: 1.2;
}

.button.primary {
  color: var(--white);
  background: var(--green-dark);
  border-color: var(--green-dark);
  box-shadow: none;
}

.button.secondary {
  color: var(--green-dark);
  border-color: rgba(16, 44, 42, 0.24);
  background: rgba(255, 255, 255, 0.58);
}

.button.dark {
  color: var(--white);
  background: var(--green-dark);
  border-color: rgba(255, 255, 255, 0.08);
}

.hero-stats,
.metric-grid,
.card-grid,
.service-grid,
.product-grid,
.article-grid {
  display: grid;
  gap: 18px;
}

.hero-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 720px;
  margin: 48px 0 0;
}

.hero-stats div {
  padding: 18px 18px 17px;
  border: 1px solid rgba(217, 223, 220, 0.95);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.76);
}

.hero-stats dt {
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
}

.hero-stats dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.notice-band {
  padding: 18px clamp(20px, 6vw, 72px);
  color: #3f4b48;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.notice-band p {
  max-width: 1160px;
  margin: 0 auto;
  font-size: 14px;
}

.section {
  padding: clamp(56px, 8vw, 96px) clamp(20px, 6vw, 72px);
}

.section.white {
  background: #fbfcfb;
  border-block: 1px solid rgba(217, 223, 220, 0.72);
}

.section-inner {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading.left {
  margin-inline: 0;
  text-align: left;
}

.section-heading h2,
.split-copy h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  letter-spacing: 0;
  font-weight: 740;
}

.section-heading p:not(.eyebrow),
.split-copy p:not(.eyebrow),
.contact-copy p:not(.eyebrow) {
  margin: 14px 0 0;
  color: var(--muted);
}

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

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

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

.card,
.service-card,
.article-card,
.product-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

.card.flat,
.article-card,
.product-card {
  box-shadow: none;
}

.service-card {
  min-height: 250px;
  box-shadow: none;
}

.service-icon,
.step-badge {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  color: var(--green-dark);
  background: #e8efec;
  border: 1px solid #cbd8d3;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 900;
}

.card h3,
.service-card h3,
.article-card h3,
.product-card h3,
.process-list h3 {
  margin: 20px 0 8px;
  font-size: 20px;
  line-height: 1.3;
  font-weight: 740;
}

.card p,
.service-card p,
.article-card p,
.product-card p,
.process-list p,
.list-check p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: flex;
  gap: 18px;
  padding: 26px;
  border-top: 2px solid var(--green);
  background: #f7f8f6;
}

.process-list h3 {
  margin-top: 0;
}

.risk-panel,
.list-check {
  display: grid;
  gap: 14px;
}

.risk-panel div {
  display: grid;
  gap: 6px;
  padding: 22px 24px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 6px;
}

.risk-panel strong,
.list-check strong {
  font-size: 18px;
}

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

.list-check article {
  padding: 22px 24px;
  border-left: 3px solid var(--green);
  background: rgba(255, 255, 255, 0.76);
}

.metric {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: var(--white);
  background: #172523;
}

.metric strong {
  display: block;
  font-size: 30px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--green-dark);
  background: #eef1ef;
}

td {
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: clamp(30px, 6vw, 76px);
  align-items: center;
  padding: clamp(56px, 8vw, 96px) clamp(20px, 7vw, 88px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(16, 33, 31, 0.98), rgba(42, 50, 49, 0.96)),
    linear-gradient(90deg, rgba(154, 123, 82, 0.1), transparent 46%);
}

.contact-copy {
  max-width: 780px;
}

.contact-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
}

.section .contact-copy p:not(.eyebrow) {
  color: var(--muted);
}

.qr-card {
  padding: 22px;
  color: var(--ink);
  text-align: center;
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.16);
}

.qr-card img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 auto;
}

.qr-card h3 {
  margin: 18px 0 4px;
  font-size: 20px;
}

.qr-card p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 28px clamp(20px, 6vw, 72px);
  color: #52615b;
  background: #eff2f0;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  font-size: 13px;
}

.footer-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 22px;
  font-size: 13px;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 10;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: var(--green-dark);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-size: 18px;
}

@media (max-width: 1080px) {
  .site-header {
    height: auto;
    min-height: 72px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding-block: 12px;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero-content {
    padding-top: 42px;
  }

  .page-hero {
    padding-top: 170px;
  }

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

  .article-grid,
  .product-grid,
  .process-list,
  .split,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .qr-card {
    width: min(100%, 360px);
  }
}

@media (max-width: 720px) {
  .site-header {
    padding-inline: 16px;
  }

  .brand-logo {
    width: 128px;
    height: auto;
  }

  .nav-links {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    min-height: 790px;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-inline: 16px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-stats,
  .service-grid,
  .card-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .process-list li {
    padding: 22px;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}