:root {
  --ink: #07132a;
  --ink-2: #0d2450;
  --blue: #155dce;
  --cyan: #5fd8f4;
  --green: #25a565;
  --gold: #f2c94c;
  --orange: #dc6d31;
  --paper: #f7fbff;
  --line: rgba(255, 255, 255, 0.22);
  --text: #142036;
  --muted: #66748a;
  --shadow: 0 24px 70px rgba(7, 19, 42, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family:
    "Noto Sans SC",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  background: var(--paper);
  letter-spacing: 0;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: #ffffff;
  background: linear-gradient(180deg, rgba(7, 19, 42, 0.78), rgba(7, 19, 42, 0.12));
}

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

.brand-mark {
  position: relative;
  width: 54px;
  height: 42px;
  flex: 0 0 auto;
}

.brand-roof {
  position: absolute;
  top: 0;
  left: 4px;
  width: 46px;
  height: 13px;
  background: var(--gold);
  clip-path: polygon(50% 0, 100% 72%, 100% 100%, 0 100%, 0 72%);
}

.brand-pillars {
  position: absolute;
  top: 14px;
  left: 8px;
  width: 38px;
  height: 25px;
  border-right: 6px solid var(--gold);
  border-left: 6px solid var(--gold);
}

.brand-bolt {
  position: absolute;
  top: 16px;
  left: 22px;
  width: 14px;
  height: 22px;
  background: var(--orange);
  clip-path: polygon(52% 0, 100% 0, 66% 42%, 100% 42%, 34% 100%, 44% 55%, 0 55%);
}

.brand-text {
  display: grid;
  gap: 2px;
  line-height: 1;
}

.brand-text strong {
  font-size: 18px;
  font-weight: 900;
}

.brand-text span {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.76);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 3vw, 42px);
  font-size: 15px;
  font-weight: 700;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
  color: rgba(255, 255, 255, 0.84);
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--cyan);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

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

.header-call {
  flex: 0 0 auto;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.hero {
  position: relative;
  min-height: clamp(760px, 94vh, 980px);
  overflow: hidden;
  color: #ffffff;
  background: var(--ink);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background:
    linear-gradient(118deg, rgba(8, 32, 70, 0.95) 0 38%, rgba(10, 92, 86, 0.86) 38% 54%, transparent 54%),
    linear-gradient(164deg, transparent 0 46%, rgba(95, 216, 244, 0.16) 46% 47%, transparent 47% 100%),
    linear-gradient(24deg, transparent 0 61%, rgba(242, 201, 76, 0.18) 61% 62%, transparent 62% 100%),
    repeating-linear-gradient(90deg, transparent 0 72px, rgba(95, 216, 244, 0.08) 73px 74px),
    repeating-linear-gradient(0deg, transparent 0 78px, rgba(255, 255, 255, 0.05) 79px 80px),
    linear-gradient(135deg, #07132a 0%, #0d2450 48%, #061b2f 100%);
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(180deg, rgba(7, 19, 42, 0.22), rgba(7, 19, 42, 0.9)),
    repeating-linear-gradient(90deg, transparent 0 68px, rgba(95, 216, 244, 0.08) 69px 70px);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: clamp(650px, 82vh, 820px);
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: end;
  gap: clamp(28px, 5vw, 86px);
  padding: 150px clamp(20px, 6vw, 90px) 150px;
}

.hero-copy {
  max-width: 980px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 15px;
  font-weight: 900;
}

.hero h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(42px, 7.4vw, 92px);
  font-weight: 950;
  line-height: 1.05;
  text-wrap: balance;
}

.hero-lead {
  max-width: 780px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.65;
}

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

.primary-action,
.secondary-action,
.phone-link,
.map-link {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 900;
  line-height: 1.2;
}

.primary-action {
  padding: 14px 24px;
  color: var(--ink);
  background: var(--cyan);
  box-shadow: 0 16px 36px rgba(95, 216, 244, 0.34);
}

.secondary-action {
  padding: 13px 23px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.hero-badge {
  display: grid;
  gap: 12px;
  align-self: center;
  padding: 34px 26px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
  background: rgba(7, 19, 42, 0.42);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-badge span {
  color: var(--cyan);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 950;
}

.hero-badge strong {
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.hero-strip {
  position: absolute;
  right: clamp(18px, 6vw, 90px);
  bottom: 36px;
  left: clamp(18px, 6vw, 90px);
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: rgba(8, 35, 73, 0.5);
  backdrop-filter: blur(14px);
}

.hero-strip span {
  min-width: 0;
  padding: 18px clamp(12px, 2vw, 28px);
  border-right: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(14px, 1.7vw, 18px);
  font-weight: 800;
  text-align: center;
}

.hero-strip span:last-child {
  border-right: 0;
}

.section {
  padding: clamp(70px, 9vw, 124px) clamp(18px, 5vw, 72px);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-light {
  background:
    linear-gradient(180deg, #f7fbff, #ffffff 54%, #eef7f3),
    linear-gradient(90deg, rgba(37, 165, 101, 0.1), transparent);
}

.section-ink {
  color: #ffffff;
  background:
    linear-gradient(135deg, #07132a, #102c62 58%, #0b583f),
    var(--ink);
}

.section-process {
  background: #ffffff;
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(26px, 4vw, 60px);
  align-items: start;
}

.section-heading h2 {
  margin: 0;
  color: inherit;
  font-size: clamp(30px, 4vw, 54px);
  font-weight: 950;
  line-height: 1.15;
  text-wrap: balance;
}

.profile-copy {
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 650;
  line-height: 1.9;
}

.profile-copy p {
  margin: 0 0 16px;
}

.photo-stack {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 18px;
}

.photo-stack img {
  width: 100%;
  height: clamp(260px, 32vw, 420px);
  border-radius: 6px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.photo-stack img:first-child {
  object-position: center;
}

.photo-stack img:last-child {
  object-position: center 42%;
}

.profile-points {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.profile-points article,
.process-grid article {
  border-top: 4px solid var(--green);
  border-radius: 6px;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(10, 28, 62, 0.08);
}

.profile-points article {
  padding: 26px;
}

.profile-points span {
  color: var(--blue);
  font-size: 14px;
  font-weight: 950;
}

.profile-points h3,
.service-card h3 {
  margin: 10px 0 8px;
  font-size: 22px;
  font-weight: 950;
}

.profile-points p,
.service-card p,
.process-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.7;
}

.services-heading {
  display: grid;
  max-width: 820px;
  gap: 12px;
}

.services-heading p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  font-weight: 650;
  line-height: 1.7;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 46px;
}

.service-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.18);
}

.service-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #ffffff;
  object-fit: contain;
  padding: 18px;
}

.service-card div {
  min-height: 126px;
  padding: 22px 22px 24px;
}

.service-card h3 {
  color: #ffffff;
}

.service-card p {
  color: rgba(255, 255, 255, 0.72);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.process-grid article {
  padding: 28px 22px;
}

.process-grid span {
  display: inline-flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--ink);
  font-size: 20px;
  font-weight: 950;
  background: var(--gold);
}

.process-grid p {
  margin-top: 18px;
}

.contact-section {
  padding: clamp(64px, 9vw, 112px) clamp(18px, 5vw, 72px);
  color: #ffffff;
  background:
    linear-gradient(116deg, rgba(95, 216, 244, 0.16) 0 18%, transparent 18% 100%),
    linear-gradient(164deg, transparent 0 58%, rgba(37, 165, 101, 0.18) 58% 60%, transparent 60% 100%),
    repeating-linear-gradient(90deg, transparent 0 70px, rgba(255, 255, 255, 0.07) 71px 72px),
    linear-gradient(135deg, #07132a 0%, #0d2450 54%, #082a28 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 32px;
  align-items: center;
}

.contact-grid h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 950;
}

.contact-address {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 2.3vw, 26px);
  font-weight: 850;
  line-height: 1.6;
}

.contact-actions {
  display: grid;
  gap: 14px;
}

.phone-link {
  padding: 16px 22px;
  color: var(--ink);
  background: var(--cyan);
}

.map-link {
  padding: 15px 21px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 26px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
  font-weight: 700;
  background: var(--ink);
}

@media (max-width: 980px) {
  .site-header {
    gap: 14px;
  }

  .nav-links {
    display: none;
  }

  .hero-content {
    min-height: clamp(640px, 82vh, 780px);
    grid-template-columns: 1fr;
    align-items: end;
    padding-top: 126px;
    padding-bottom: 168px;
  }

  .hero-badge {
    max-width: 360px;
    align-self: start;
    padding: 22px;
  }

  .profile-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 680px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand-mark {
    width: 44px;
    height: 36px;
  }

  .brand-roof {
    left: 3px;
    width: 38px;
  }

  .brand-pillars {
    left: 7px;
    width: 30px;
    height: 21px;
    border-right-width: 5px;
    border-left-width: 5px;
  }

  .brand-bolt {
    top: 15px;
    left: 18px;
    width: 12px;
    height: 18px;
  }

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

  .brand-text span {
    display: none;
  }

  .header-call {
    padding: 9px 12px;
    font-size: 12px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-bg {
    background:
      linear-gradient(120deg, rgba(8, 32, 70, 0.94) 0 54%, rgba(10, 92, 86, 0.72) 54% 70%, transparent 70%),
      linear-gradient(162deg, transparent 0 42%, rgba(95, 216, 244, 0.18) 42% 43%, transparent 43% 100%),
      repeating-linear-gradient(90deg, transparent 0 66px, rgba(95, 216, 244, 0.08) 67px 68px),
      repeating-linear-gradient(0deg, transparent 0 72px, rgba(255, 255, 255, 0.05) 73px 74px),
      linear-gradient(180deg, #07132a 0%, #0d2450 55%, #06131f 100%);
  }

  .hero-content {
    min-height: 690px;
    padding: 112px 18px 190px;
  }

  .eyebrow,
  .section-kicker {
    font-size: 13px;
  }

  .hero h1 {
    font-size: clamp(34px, 12vw, 48px);
    line-height: 1.12;
  }

  .hero-lead {
    margin-top: 18px;
    font-size: 17px;
    line-height: 1.7;
  }

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

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

  .hero-badge {
    width: 100%;
    max-width: none;
    padding: 18px;
  }

  .hero-badge span {
    font-size: 34px;
  }

  .hero-strip {
    right: 18px;
    bottom: 20px;
    left: 18px;
    grid-template-columns: 1fr;
  }

  .hero-strip span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-strip span:last-child {
    border-bottom: 0;
  }

  .photo-stack,
  .profile-points,
  .service-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .photo-stack img {
    height: 250px;
  }

  .service-card {
    display: grid;
    grid-template-columns: 42% 58%;
  }

  .service-card img {
    height: 100%;
    min-height: 164px;
    aspect-ratio: auto;
    padding: 12px;
  }

  .service-card div {
    min-height: 0;
    padding: 18px;
  }

  .service-card h3 {
    margin-top: 0;
    font-size: 20px;
  }

  .contact-actions {
    align-items: stretch;
  }

  .site-footer {
    display: grid;
  }
}

@media (max-width: 420px) {
  .brand {
    gap: 8px;
  }

  .header-call {
    max-width: 132px;
    text-align: center;
  }

  .service-card {
    grid-template-columns: 1fr;
  }

  .service-card img {
    min-height: 190px;
  }
}