:root {
  --pine: #123f36;
  --forest: #0d2f29;
  --leaf: #2f7d5f;
  --sage: #8fa27d;
  --porcelain: #fbf8f1;
  --warm: #f2eadf;
  --ivory: #fffdf8;
  --clay: #b86f43;
  --gold: #c6a15b;
  --ink: #17211f;
  --muted: #68726f;
  --line: rgba(23, 33, 31, 0.14);
  --shadow: 0 24px 70px rgba(18, 63, 54, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--porcelain);
  line-height: 1.7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 12px clamp(20px, 5vw, 78px);
  background: rgba(251, 248, 241, 0.9);
  border-bottom: 1px solid rgba(23, 33, 31, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
}

.brand-mark {
  position: relative;
  display: inline-flex;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 46%, #1f6652 0 38%, var(--forest) 39% 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 253, 248, 0.58), 0 10px 24px rgba(13, 47, 41, 0.18);
}

.brand-mark::before {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 11px;
  height: 6px;
  border-radius: 999px;
  background: var(--gold);
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 12px;
  top: 12px;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 253, 248, 0.92);
  border-top-color: transparent;
  border-right-color: transparent;
  border-radius: 50%;
  transform: rotate(-45deg);
}

.brand-leaf {
  position: absolute;
  top: 11px;
  width: 15px;
  height: 21px;
  border-radius: 16px 16px 2px 16px;
}

.brand-leaf.left {
  left: 9px;
  background: var(--sage);
  transform: rotate(-42deg);
}

.brand-leaf.right {
  right: 9px;
  background: #57a176;
  transform: rotate(42deg) scaleX(-1);
}

.brand-text {
  display: grid;
  gap: 1px;
  line-height: 1.12;
}

.brand-text strong {
  color: var(--ink);
  font-size: 19px;
  font-weight: 900;
}

.brand-text small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  color: #3f4b48;
  font-size: 14px;
  font-weight: 700;
}

.nav a:hover {
  color: var(--clay);
}

.hero {
  position: relative;
  min-height: calc(100svh - 74px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(251, 248, 241, 0.98) 0%, rgba(251, 248, 241, 0.94) 52%, rgba(242, 234, 223, 0.72) 100%),
    linear-gradient(135deg, #f7efe3 0%, #e7eee7 100%);
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 63, 54, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 63, 54, 0.055) 1px, transparent 1px);
  background-size: 86px 86px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 32%, #000 72%, transparent 100%);
}

.hero-bg {
  position: absolute;
  right: clamp(24px, 8vw, 142px);
  top: 50%;
  transform: translateY(-50%);
}

.hero-panel {
  width: min(410px, 36vw);
  min-height: 430px;
  display: grid;
  align-content: end;
  padding: 34px;
  border: 1px solid rgba(18, 63, 54, 0.14);
  background: rgba(255, 253, 248, 0.72);
  box-shadow: var(--shadow);
}

.hero-panel span {
  color: var(--clay);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-panel strong {
  margin-top: 10px;
  color: var(--pine);
  font-size: 44px;
  line-height: 1.04;
}

.hero-panel em {
  margin-top: 22px;
  color: var(--muted);
  font-style: normal;
  font-weight: 700;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 82px 0 108px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--clay);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--forest);
  font-size: clamp(44px, 6vw, 82px);
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-bottom: 34px;
  color: #32403c;
  font-size: clamp(18px, 2vw, 22px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border-radius: 6px;
  border: 1px solid var(--forest);
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(18, 63, 54, 0.16);
}

.button.primary {
  background: var(--forest);
  color: var(--ivory);
}

.button.secondary {
  background: rgba(255, 253, 248, 0.7);
  color: var(--forest);
}

.intro-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ivory);
}

.intro-item {
  min-height: 132px;
  padding: 30px clamp(22px, 4vw, 58px);
  border-right: 1px solid var(--line);
}

.intro-item:last-child {
  border-right: 0;
}

.intro-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--forest);
  font-size: 21px;
}

.intro-item span {
  color: var(--muted);
}

.section,
.method,
.contact {
  padding: clamp(70px, 8vw, 118px) clamp(20px, 5vw, 78px);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

h2 {
  margin-bottom: 14px;
  color: var(--forest);
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.14;
  letter-spacing: 0;
}

.section-head p,
.method-copy p,
.resource-panel p,
.contact-copy p {
  color: var(--muted);
  font-size: 18px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.service-card {
  display: flex;
  flex-direction: column;
  min-height: 386px;
  padding: 32px;
  border: 1px solid rgba(23, 33, 31, 0.12);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.76);
}

.service-card.featured {
  border-color: rgba(184, 111, 67, 0.5);
  background: #fffdf8;
  box-shadow: var(--shadow);
}

.service-top {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

.tag {
  width: fit-content;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(184, 111, 67, 0.26);
  background: rgba(184, 111, 67, 0.08);
  color: #8f4f2e;
  font-size: 13px;
  font-weight: 900;
}

.service-card strong {
  color: var(--forest);
  font-size: 25px;
  line-height: 1.25;
}

.service-card p,
.service-card li {
  color: var(--muted);
}

.service-card ul {
  margin: 8px 0 28px;
  padding-left: 20px;
}

.text-link {
  margin-top: auto;
  color: var(--forest);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-color: rgba(184, 111, 67, 0.45);
}

.method {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(28px, 5vw, 82px);
  align-items: start;
  background: #eaf0e8;
  border-block: 1px solid rgba(18, 63, 54, 0.1);
}

.method-copy {
  max-width: 500px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.step {
  min-height: 196px;
  padding: 26px;
  border: 1px solid rgba(18, 63, 54, 0.14);
  border-radius: 6px;
  background: rgba(255, 253, 248, 0.72);
}

.step span {
  display: block;
  margin-bottom: 18px;
  color: var(--clay);
  font-weight: 900;
}

.step h3 {
  margin-bottom: 8px;
  color: var(--forest);
  font-size: 23px;
}

.step p {
  margin-bottom: 0;
  color: var(--muted);
}

.resources {
  background: var(--porcelain);
}

.resource-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(330px, 0.6fr);
  gap: clamp(28px, 5vw, 70px);
  width: min(1120px, 100%);
  margin: 0 auto;
  align-items: center;
}

.lead-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid rgba(23, 33, 31, 0.13);
  border-radius: 6px;
  background: #fffdf8;
  box-shadow: 0 18px 44px rgba(18, 63, 54, 0.08);
}

label {
  display: grid;
  gap: 8px;
  color: var(--forest);
  font-weight: 900;
}

input,
select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid rgba(23, 33, 31, 0.2);
  border-radius: 6px;
  background: #fffaf1;
  color: var(--ink);
  font: inherit;
}

.form-note {
  min-height: 44px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.content-strip {
  padding: 50px clamp(20px, 5vw, 78px);
  background: var(--forest);
  color: var(--ivory);
}

.content-strip h2 {
  color: var(--ivory);
  font-size: 30px;
}

.topic-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.topic-row span {
  padding: 9px 14px;
  border: 1px solid rgba(255, 253, 248, 0.25);
  border-radius: 999px;
  color: #f5eee4;
  font-weight: 700;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.76fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.contact-box {
  padding: 30px;
  border: 1px solid rgba(23, 33, 31, 0.13);
  border-radius: 6px;
  background: #fffdf8;
}

dl {
  margin: 0;
}

dl div {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

dl div:first-child {
  padding-top: 0;
}

dl div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

dt {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

dd {
  margin: 4px 0 0;
  color: var(--forest);
  font-weight: 900;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  justify-content: space-between;
  padding: 24px clamp(20px, 5vw, 78px);
  background: #101b18;
  color: rgba(255, 253, 248, 0.78);
  font-size: 14px;
}

@media (max-width: 920px) {
  .site-header {
    position: static;
    align-items: flex-start;
    gap: 14px;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: auto;
  }

  .hero-bg {
    display: none;
  }

  .hero-inner {
    padding: 70px 0 86px;
  }

  .intro-band,
  .service-grid,
  .method,
  .resource-panel,
  .contact {
    grid-template-columns: 1fr;
  }

  .intro-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .intro-item:last-child {
    border-bottom: 0;
  }

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

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

@media (max-width: 540px) {
  .nav {
    overflow-x: auto;
    justify-content: flex-start;
    gap: 22px;
    padding-bottom: 2px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .brand-text small {
    display: none;
  }

  .lead-form,
  .contact-box,
  .service-card,
  .step {
    padding: 22px;
  }
}