:root {
  --ink: #111827;
  --muted: #667085;
  --line: #e8eef0;
  --paper: #ffffff;
  --wash: #f4f8f6;
  --deep: #071827;
  --deep-2: #0c2436;
  --green: #4bb483;
  --green-dark: #25795b;
  --green-soft: #eaf8f1;
  --gold: #e7b943;
  --shadow: 0 28px 70px rgba(7, 24, 39, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

#phone-consult,
#contact-info {
  scroll-margin-top: 24px;
}

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

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

.page-shell {
  width: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--paper);
}

.site-header {
  display: grid;
  grid-template-columns: minmax(320px, auto) 1fr auto;
  align-items: center;
  gap: 42px;
  min-height: 84px;
  padding: 16px 72px;
  color: #fff;
  background: var(--deep);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  max-width: 430px;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.25;
}

.brand strong {
  font-size: 18px;
  letter-spacing: 0;
}

.brand small {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  line-height: 1.55;
  letter-spacing: 0;
  white-space: normal;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 3.2vw, 52px);
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}

.nav a {
  position: relative;
  padding: 10px 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s ease;
}

.nav a:hover {
  color: #fff;
}

.nav a:hover::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 18px;
  color: var(--deep);
  font-size: 13px;
  font-weight: 800;
  background: #fff;
  border-radius: 999px;
}

.hero {
  position: relative;
  padding: 0 72px 52px;
  background: linear-gradient(180deg, var(--deep) 0 64%, #fff 64% 100%);
}

.hero-frame {
  min-height: 430px;
  display: flex;
  align-items: center;
  padding: 58px 44px;
  color: #fff;
  background-image:
    linear-gradient(90deg, rgba(7, 24, 39, 0.78), rgba(7, 24, 39, 0.34), rgba(7, 24, 39, 0.1)),
    url("assets/hero-auto-recycling.png");
  background-position: center;
  background-size: cover;
}

.hero-content {
  width: min(700px, 100%);
}

.eyebrow,
.section-kicker {
  display: block;
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 700px;
  font-size: clamp(36px, 5.3vw, 66px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 span {
  white-space: nowrap;
}

.hero p {
  max-width: 520px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 19px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-weight: 900;
  border-radius: 999px;
}

.button.primary {
  color: var(--deep);
  background: var(--gold);
}

.button.ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.46);
}

.button.light {
  color: var(--green-dark);
  background: var(--green-soft);
}

.section {
  padding: 86px 92px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 64px;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

.intro-copy {
  display: grid;
  gap: 18px;
  color: var(--muted);
  font-size: 17px;
}

.intro-copy p {
  margin: 0;
}

.services {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 46px;
  align-items: center;
  padding-bottom: 132px;
  background: #fff;
}

.service-lead p,
.section-heading p,
.contact-copy p {
  margin: 14px 0 0;
  color: var(--muted);
}

.small-link {
  display: inline-flex;
  margin-top: 28px;
  padding: 10px 18px;
  color: var(--deep);
  font-size: 13px;
  font-weight: 900;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(7, 24, 39, 0.08);
}

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

.service-card {
  position: relative;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: 24px;
  color: #fff;
  background: var(--deep-2);
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(180deg, rgba(7, 24, 39, 0.12), rgba(7, 24, 39, 0.82)),
    url("assets/hero-auto-recycling.png");
  background-position: center;
  background-size: cover;
  filter: saturate(0.8);
  transform: scale(1.08);
}

.service-two::before {
  background-position: 60% center;
}

.service-three::before {
  background-position: 75% center;
}

.service-four::before {
  background-position: 40% center;
}

.service-card span,
.service-card h3,
.service-card p {
  position: relative;
  z-index: 1;
}

.service-card span {
  position: absolute;
  top: 18px;
  right: 18px;
  color: rgba(255, 255, 255, 0.16);
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
}

.service-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.25;
}

.service-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.values {
  color: #fff;
  background-image:
    linear-gradient(rgba(7, 24, 39, 0.88), rgba(7, 24, 39, 0.92)),
    url("assets/hero-auto-recycling.png");
  background-position: center;
  background-size: cover;
}

.values-inner {
  padding: 100px 92px;
  text-align: center;
}

.values h2 {
  color: #fff;
}

.values-lead {
  max-width: 620px;
  margin: 14px auto 48px;
  color: rgba(255, 255, 255, 0.72);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 22px;
  margin-top: 44px;
}

.value-item {
  display: grid;
  justify-items: center;
}

.value-icon {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  margin-bottom: 20px;
  color: var(--gold);
  font-weight: 900;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
}

.value-item strong {
  font-size: 18px;
}

.value-item p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.process {
  background: var(--deep);
}

.process .section-heading h2,
.process .section-heading p {
  color: #fff;
}

.process .section-heading p {
  color: rgba(255, 255, 255, 0.68);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  min-height: 190px;
  padding: 24px;
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

.timeline strong,
.timeline span {
  display: block;
}

.timeline strong {
  font-size: 18px;
}

.timeline span {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

.section-heading.center {
  text-align: center;
}

.document-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
  padding: 0;
  list-style: none;
  counter-reset: doc;
}

.document-grid li {
  counter-increment: doc;
  min-height: 190px;
  padding: 24px;
  background: #fff;
  border-top: 4px solid var(--deep-2);
  box-shadow: 0 16px 42px rgba(7, 24, 39, 0.08);
}

.document-grid li::before {
  content: counter(doc, decimal-leading-zero);
  display: block;
  margin-bottom: 34px;
  color: var(--deep-2);
  font-size: 30px;
  line-height: 1;
  font-weight: 900;
}

.document-grid strong,
.document-grid span {
  display: block;
}

.document-grid strong {
  color: var(--ink);
  font-size: 18px;
}

.document-grid span {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(380px, 0.88fr);
  gap: 72px;
  align-items: start;
  padding: 86px 92px;
  background: linear-gradient(180deg, #fff 0%, #f8faf9 100%);
}

.map-column {
  width: min(100%, 720px);
  justify-self: center;
}

.map-card {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #eef3f0;
  box-shadow: 0 24px 70px rgba(7, 24, 39, 0.12);
}

.map-card img {
  display: block;
  width: 100%;
  height: auto;
}

.contact-copy h2 {
  color: var(--ink);
}

.contact-copy {
  padding: 0;
}

.contact-location {
  width: 100%;
  margin-top: 18px;
  margin-bottom: 0;
  padding: 18px 22px 18px 20px;
  color: var(--ink);
  background: #fff;
  border-left: 4px solid var(--deep-2);
  box-shadow: 0 14px 34px rgba(7, 24, 39, 0.08);
}

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

.contact-location strong {
  font-size: 18px;
  font-weight: 900;
}

.contact-location span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.contact-list {
  display: grid;
  gap: 20px;
  margin: 34px 0 0;
}

.contact-list div {
  display: grid;
  gap: 7px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.contact-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-list dt {
  color: var(--muted);
  font-size: 13px;
}

.contact-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.phone-list {
  display: grid;
  gap: 8px;
}

.phone-list a {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
}

.phone-list span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 46px 92px;
  color: rgba(255, 255, 255, 0.7);
  background: var(--deep);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: #fff;
}

.site-footer span {
  margin-top: 8px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  align-items: center;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
  font-weight: 700;
}

.footer-links a:hover {
  color: #fff;
}

.site-footer .back-top {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 50%;
}

.content-hero {
  padding: 92px;
  color: #fff;
  background-image:
    linear-gradient(90deg, rgba(7, 24, 39, 0.88), rgba(7, 24, 39, 0.52)),
    url("assets/hero-auto-recycling.png");
  background-position: center;
  background-size: cover;
}

.content-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.16;
}

.content-hero p {
  max-width: 700px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
}

.content-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 64px;
  padding: 86px 92px;
  background: #fff;
}

.content-main {
  display: grid;
  gap: 34px;
}

.content-main section {
  display: grid;
  gap: 14px;
}

.content-main h2 {
  font-size: clamp(26px, 3vw, 36px);
}

.content-main h3,
.contact-panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: 22px;
}

.content-main p,
.content-main li,
.contact-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.content-main ul,
.content-main ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
}

.contact-panel {
  align-self: start;
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--wash);
  box-shadow: 0 18px 48px rgba(7, 24, 39, 0.08);
}

.contact-panel a {
  color: var(--deep);
  font-weight: 900;
}

.mobile-contact {
  display: none;
}

@media (max-width: 980px) {
  .page-shell {
    width: 100%;
    margin: 0;
  }

  .site-header {
    grid-template-columns: 1fr;
    padding: 18px 24px;
    gap: 18px;
  }

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

  .header-cta {
    justify-self: start;
  }

  .hero,
  .section,
  .content-hero,
  .content-body,
  .values-inner,
  .contact-section,
  .site-footer {
    padding-left: 24px;
    padding-right: 24px;
  }

  .hero-frame {
    min-height: 500px;
  }

  .intro-grid,
  .services,
  .content-body,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .services {
    padding-bottom: 86px;
  }

  .service-strip,
  .value-grid,
  .timeline,
  .document-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    padding-bottom: 64px;
    background: #fff;
  }

  .site-header {
    gap: 16px;
  }

  .brand strong {
    font-size: 17px;
  }

  .brand small {
    max-width: 280px;
    font-size: 12px;
    line-height: 1.5;
  }

  .hero {
    padding-top: 0;
    padding-bottom: 36px;
  }

  .hero-frame {
    min-height: 500px;
    padding: 38px 22px;
  }

  .section,
  .content-hero,
  .content-body,
  .values-inner,
  .contact-section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .services {
    padding-bottom: 64px;
  }

  .service-strip,
  .value-grid,
  .timeline,
  .document-grid {
    grid-template-columns: 1fr;
  }

  .service-card,
  .timeline li,
  .document-grid li {
    min-height: 170px;
  }

  .document-grid li {
    min-height: auto;
  }

  .map-card {
    height: auto;
    background: #fff;
    box-shadow: none;
  }

  .map-card img {
    height: auto;
  }

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

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

  .footer-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .mobile-contact {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: #fff;
    box-shadow: 0 -12px 30px rgba(7, 24, 39, 0.16);
  }

  .mobile-contact a {
    display: grid;
    place-items: center;
    min-height: 58px;
    font-weight: 900;
  }

  .mobile-contact a:first-child {
    color: var(--deep);
    background: var(--gold);
  }

  .mobile-contact a:last-child {
    color: #fff;
    background: var(--green-dark);
  }
}