:root {
  --ink: #1f2420;
  --muted: #687064;
  --paper: #fffaf0;
  --panel: #ffffff;
  --line: #d8dfd1;
  --green: #2f7d4f;
  --green-dark: #1f5d3b;
  --amber: #f2b84b;
  --brick: #b64a31;
  --blue: #356c93;
  --shadow: 0 18px 45px rgba(31, 36, 32, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f6f2e8;
  font-family:
    "Noto Sans SC",
    "Microsoft YaHei",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  letter-spacing: 0;
}

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

button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 10px clamp(18px, 4vw, 54px);
  background: rgba(255, 250, 240, 0.94);
  border-bottom: 1px solid rgba(104, 112, 100, 0.2);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: var(--green-dark);
  border: 3px solid var(--amber);
  border-radius: 8px;
  font-size: 24px;
  font-weight: 900;
}

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

.brand strong {
  font-size: 18px;
  line-height: 1.2;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 28px);
  color: #3f493e;
  font-size: 15px;
  white-space: nowrap;
}

.top-nav a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.top-nav a:hover {
  color: var(--green-dark);
  border-color: var(--amber);
}

.header-call,
.primary-action,
.secondary-action,
.quick-contact a,
.mobile-dock a,
.mobile-dock button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 800;
}

.header-call {
  flex: 0 0 auto;
  padding: 0 16px;
  color: #fff;
  background: var(--brick);
}

.header-call svg,
.primary-action svg,
.secondary-action svg,
.quick-contact svg,
.quote-list svg,
.item-card svg,
.mobile-dock svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.4;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: calc(100vh - 72px);
  overflow: hidden;
  isolation: isolate;
}

.hero-photo,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-photo {
  z-index: -2;
  object-fit: cover;
  object-position: center right;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(18, 30, 24, 0.9) 0%, rgba(18, 30, 24, 0.7) 38%, rgba(18, 30, 24, 0.2) 72%, rgba(18, 30, 24, 0.05) 100%),
    linear-gradient(0deg, rgba(18, 30, 24, 0.42), rgba(18, 30, 24, 0.02));
}

.hero-content {
  width: min(720px, calc(100% - 36px));
  margin-left: clamp(18px, 6vw, 76px);
  padding: 70px 0 90px;
  color: #fff;
}

.local-badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: #ffe1a0;
  font-size: 15px;
  font-weight: 900;
}

.local-badge svg {
  width: 18px;
  height: 18px;
}

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

h1 {
  max-width: 650px;
  margin-bottom: 20px;
  font-size: clamp(40px, 7vw, 78px);
  line-height: 1.03;
  font-weight: 950;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.primary-action,
.secondary-action {
  min-width: 178px;
  padding: 0 22px;
  border: 0;
  cursor: pointer;
}

.primary-action {
  color: #1b211d;
  background: var(--amber);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.primary-action.dark {
  color: #fff;
  background: var(--green-dark);
  box-shadow: none;
}

.secondary-action {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(92px, 140px));
  gap: 10px;
  width: min(100%, 460px);
  margin: 0;
}

.trust-strip div {
  padding: 14px 12px;
  background: rgba(255, 250, 240, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  color: var(--ink);
}

.trust-strip dt {
  color: var(--brick);
  font-size: 24px;
  font-weight: 950;
  line-height: 1;
}

.trust-strip dd {
  margin: 6px 0 0;
  color: #4e574b;
  font-size: 14px;
  font-weight: 700;
}

.quick-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px clamp(18px, 6vw, 76px);
  color: #fff;
  background: var(--green-dark);
}

.quick-contact strong,
.quick-contact span {
  display: block;
}

.quick-contact strong {
  margin-bottom: 4px;
  font-size: 20px;
}

.quick-contact span {
  color: rgba(255, 255, 255, 0.82);
}

.quick-contact a {
  flex: 0 0 auto;
  padding: 0 18px;
  color: var(--ink);
  background: var(--amber);
}

.section {
  padding: clamp(56px, 8vw, 96px) clamp(18px, 6vw, 76px);
}

.section-heading {
  display: block;
  max-width: 980px;
  margin-bottom: 28px;
}

.section-heading.compact {
  display: block;
  max-width: 760px;
}

.section-heading .eyebrow,
.price-band .eyebrow,
.area-copy .eyebrow,
.final-cta .eyebrow {
  color: var(--brick);
}

h2 {
  max-width: 980px;
  margin-bottom: 0;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.16;
  font-weight: 950;
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.item-card,
.process article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 28px rgba(74, 78, 68, 0.08);
}

.item-card {
  min-height: 250px;
  padding: 24px;
  border-top: 6px solid var(--green);
}

.item-card.electric {
  border-top-color: var(--blue);
}

.item-card.metal {
  border-top-color: var(--brick);
}

.item-card.site {
  border-top-color: var(--amber);
}

.item-card.warehouse {
  border-top-color: var(--green);
}

.item-card svg {
  width: 34px;
  height: 34px;
  margin-bottom: 20px;
  color: var(--green-dark);
}

.item-card h3,
.process h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.item-card p,
.process p,
.area-copy p,
.final-cta p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.price-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 1fr);
  gap: 32px;
  padding: clamp(44px, 6vw, 70px) clamp(18px, 6vw, 76px);
  background: #eee5d5;
  border-block: 1px solid #ddd0bb;
}

.quote-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.quote-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 62px;
  padding: 12px 18px;
  background: #fffaf0;
  border: 1px solid #d8c8ae;
  border-radius: 8px;
  color: #32372f;
  font-size: 17px;
  font-weight: 800;
}

.quote-list svg {
  flex: 0 0 auto;
  color: var(--brick);
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.process article {
  min-height: 230px;
  padding: 22px;
}

.process span {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--green-dark);
  font-size: 34px;
  font-weight: 950;
  line-height: 1;
}

.area-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1fr);
  gap: 32px;
  align-items: center;
  padding: clamp(56px, 8vw, 96px) clamp(18px, 6vw, 76px);
  background: var(--green-dark);
  color: #fff;
}

.area-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.area-copy .eyebrow {
  color: #ffe1a0;
}

.area-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.area-board span {
  min-height: 58px;
  display: grid;
  place-items: center;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  color: #143522;
  background: #f6f2e8;
  font-size: 18px;
  font-weight: 900;
  text-align: center;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(48px, 7vw, 88px) clamp(18px, 6vw, 76px);
  background: #fffaf0;
}

.final-cta > div {
  max-width: 820px;
}

.footer {
  padding: 28px clamp(18px, 6vw, 76px) 96px;
  color: #5f665d;
  background: #eee5d5;
  border-top: 1px solid #ddd0bb;
  font-size: 14px;
}

.footer p {
  margin: 0 0 6px;
}

.mobile-dock {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 30;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px;
  background: rgba(31, 36, 32, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  backdrop-filter: blur(16px);
}

.mobile-dock a,
.mobile-dock button {
  width: 100%;
  color: #1b211d;
  background: var(--amber);
  border: 0;
}

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

.is-shaking {
  animation: shake 0.42s ease;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-4px);
  }

  50% {
    transform: translateX(4px);
  }

  75% {
    transform: translateX(-2px);
  }
}

@media (max-width: 980px) {
  .site-header {
    gap: 12px;
  }

  .top-nav {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(18, 30, 24, 0.92) 0%, rgba(18, 30, 24, 0.74) 58%, rgba(18, 30, 24, 0.24) 100%),
      linear-gradient(0deg, rgba(18, 30, 24, 0.46), rgba(18, 30, 24, 0.08));
  }

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

  .price-band,
  .area-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
    padding: 8px 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    font-size: 22px;
  }

  .brand strong {
    font-size: 16px;
  }

  .brand small,
  .header-call {
    display: none;
  }

  .hero {
    min-height: calc(100vh - 66px);
  }

  .hero-photo {
    object-position: 63% center;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(18, 30, 24, 0.88) 0%, rgba(18, 30, 24, 0.76) 52%, rgba(18, 30, 24, 0.56) 100%),
      linear-gradient(90deg, rgba(18, 30, 24, 0.76), rgba(18, 30, 24, 0.25));
  }

  .hero-content {
    width: calc(100% - 28px);
    margin: 0 auto;
    padding: 56px 0 110px;
  }

  h1 {
    font-size: clamp(36px, 11vw, 52px);
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

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

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

  .trust-strip div {
    padding: 12px 8px;
  }

  .trust-strip dt {
    font-size: 22px;
  }

  .trust-strip dd {
    font-size: 12px;
  }

  .quick-contact,
  .final-cta {
    display: block;
  }

  .quick-contact a,
  .final-cta .primary-action {
    width: 100%;
    margin-top: 16px;
  }

  .item-grid,
  .process,
  .area-board {
    grid-template-columns: 1fr;
  }

  .item-card,
  .process article {
    min-height: auto;
  }

  .quote-list li {
    align-items: flex-start;
    font-size: 16px;
  }

  .mobile-dock {
    display: grid;
  }
}