:root {
  --ink: #17303b;
  --deep: #0f5265;
  --navy: #1a6374;
  --muted: #667982;
  --soft: #fbf7ef;
  --mist: #edf8f7;
  --white: #ffffff;
  --gold: #f0b84f;
  --copper: #e07d5f;
  --sage: #69a889;
  --sky: #cfeef2;
  --line: rgba(23, 48, 59, 0.12);
  --shadow: 0 24px 70px rgba(15, 82, 101, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #fbf7ef 0%, #f6fbfb 42%, #fbf7ef 100%);
  font-family: "Inter", "Avenir Next", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

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

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

.loading,
.maintenance {
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 40px;
  color: var(--white);
  background: linear-gradient(135deg, #3fa6b8, #79c6a3);
  text-align: center;
}

.loading.error {
  color: #ffd9d9;
}

.maintenance {
  align-content: center;
  gap: 16px;
}

.maintenance h1 {
  margin: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(40px, 8vw, 88px);
  font-weight: 500;
}

.maintenance p:last-child {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.8;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 28px;
  height: 82px;
  padding: 0 52px;
  color: var(--white);
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 12px 34px rgba(8, 19, 29, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 15px;
}

.site-header.scrolled .brand-mark {
  border-color: rgba(16, 24, 32, 0.18);
}

.brand-text {
  display: grid;
  width: 148px;
  min-width: 0;
}

.brand strong {
  font-size: 19px;
  font-weight: 700;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  text-align: justify;
  text-align-last: justify;
  white-space: nowrap;
}

.brand small {
  width: 100%;
  margin-top: 2px;
  color: currentColor;
  font-size: 10px;
  opacity: 0.68;
  text-transform: uppercase;
  text-align: justify;
  text-align-last: justify;
}

.desktop-nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
}

.desktop-nav a {
  opacity: 0.82;
}

.desktop-nav a:hover {
  opacity: 1;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  font-weight: 700;
  font-size: 14px;
}

.site-header.scrolled .header-cta {
  border-color: rgba(16, 24, 32, 0.18);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: transparent;
  color: currentColor;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
}

.mobile-nav {
  position: fixed;
  inset: 86px 16px auto 16px;
  z-index: 19;
  display: none;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow);
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line);
}

.mobile-nav a:last-child {
  border-bottom: 0;
}

.hero {
  position: relative;
  min-height: 96svh;
  color: var(--white);
  background: var(--image) center/cover no-repeat;
  overflow: hidden;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(15, 82, 101, 0.74) 0%, rgba(15, 82, 101, 0.42) 48%, rgba(15, 82, 101, 0.08) 100%),
    linear-gradient(0deg, rgba(23, 48, 59, 0.5) 0%, rgba(23, 48, 59, 0.02) 52%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(790px, calc(100% - 56px));
  padding: 184px 0 230px 56px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: clamp(46px, 7.3vw, 98px);
  line-height: 1.03;
  font-weight: 500;
}

.hero-copy {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 20px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  font-weight: 800;
}

.button.primary {
  color: var(--deep);
  background: #fffdf7;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.52);
}

.hero-proof {
  position: absolute;
  z-index: 3;
  right: 52px;
  bottom: 38px;
  display: grid;
  grid-template-columns: repeat(4, minmax(132px, 1fr));
  width: min(820px, calc(100% - 104px));
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(20px);
}

.hero-proof article {
  min-height: 144px;
  padding: 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-proof article:last-child {
  border-right: 0;
}

.hero-proof span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
}

.hero-proof strong {
  display: block;
  margin-top: 18px;
  font-size: 17px;
}

.hero-proof p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  line-height: 1.65;
}

.section {
  padding: 112px 56px;
}

.section-heading {
  max-width: 880px;
}

.section-heading.center {
  margin: 0 auto 50px;
  text-align: center;
}

.section-heading p,
.trust-copy p,
.experience-panel p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: clamp(34px, 4.4vw, 62px);
  line-height: 1.13;
  font-weight: 500;
}

.intro {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.1fr);
  gap: 70px;
  background: var(--soft);
}

.lead {
  margin: 0;
  color: #33414e;
  font-size: 22px;
  line-height: 1.95;
}

.signature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 52px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signature-strip span {
  padding: 22px 14px;
  border-right: 1px solid var(--line);
  color: var(--navy);
  font-family: Georgia, serif;
  font-size: 17px;
  text-align: center;
}

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

.strength {
  background: linear-gradient(180deg, #ffffff 0%, #f4fbfa 100%);
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 52px;
  background: var(--line);
}

.strength-grid article {
  min-height: 310px;
  padding: 34px;
  background: #ffffff;
}

.strength-grid span {
  color: var(--gold);
  font-weight: 900;
}

.strength-grid h3 {
  margin: 72px 0 0;
  font-size: 27px;
  line-height: 1.25;
}

.strength-grid p {
  color: var(--muted);
  line-height: 1.78;
}

.experience {
  min-height: 780px;
  display: grid;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(15, 82, 101, 0.72), rgba(15, 82, 101, 0.1)),
    var(--image) center/cover no-repeat;
}

.experience-panel {
  width: min(710px, 100%);
  color: var(--white);
}

.experience-panel p {
  color: rgba(255, 255, 255, 0.76);
}

.experience-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.experience-list div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.16);
}

.experience-list strong,
.experience-list span {
  display: block;
}

.experience-list span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
}

.routes {
  background: linear-gradient(180deg, #edf8f7 0%, #fffaf1 100%);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.route-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 48px rgba(15, 82, 101, 0.09);
}

.route-media {
  position: relative;
  height: 278px;
  overflow: hidden;
}

.route-media img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.route-card:hover .route-media img {
  transform: scale(1.035);
}

.route-media span {
  position: absolute;
  left: 18px;
  top: 18px;
  padding: 8px 12px;
  color: var(--deep);
  background: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-weight: 900;
}

.route-body {
  display: grid;
  align-content: start;
  gap: 17px;
  padding: 28px;
}

.route-meta,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.route-meta span,
.chips span {
  padding: 8px 10px;
  color: #33414e;
  background: #e9f6f2;
  font-size: 13px;
}

.route-body h3 {
  margin: 0;
  color: var(--navy);
  font-family: Georgia, "Songti SC", serif;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 500;
}

.route-body p,
.route-body dd,
.route-body li {
  color: var(--muted);
  line-height: 1.75;
}

.route-body p,
.route-body dl {
  margin: 0;
}

.route-body dt {
  margin-bottom: 5px;
  color: var(--ink);
  font-weight: 900;
}

.route-body dd {
  margin: 0 0 10px;
}

.route-body details {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.route-body summary {
  cursor: pointer;
  font-weight: 900;
}

.route-body ol {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 20px;
}

.route-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  color: var(--white);
  background: linear-gradient(135deg, var(--deep), var(--sage));
  font-weight: 900;
}

.trust {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  gap: 70px;
  color: var(--ink);
  background: linear-gradient(135deg, #e8f7f6 0%, #fff6de 100%);
}

.trust-copy p {
  color: var(--muted);
}

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

.trust-grid article {
  min-height: 190px;
  padding: 26px;
  border: 1px solid rgba(23, 48, 59, 0.1);
  background: rgba(255, 255, 255, 0.72);
}

.trust-grid strong {
  display: block;
  font-size: 20px;
}

.trust-grid p {
  color: var(--muted);
  line-height: 1.72;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: #d8efef;
  gap: 10px;
  padding: 10px;
}

.gallery figure {
  position: relative;
  min-height: 360px;
  background: #eef7f5;
  border-radius: 8px;
  margin: 0;
  overflow: hidden;
}

.gallery figure.wide {
  grid-column: span 2;
}

.gallery img {
  height: 100%;
  object-fit: cover;
}

.gallery figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: 54px 24px 24px;
  color: var(--white);
  background: linear-gradient(0deg, rgba(23, 48, 59, 0.78), rgba(23, 48, 59, 0));
}

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

.gallery span {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.72);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(390px, 0.75fr);
  gap: 72px;
  background: var(--white);
}

.contact-copy > p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.contact-note {
  display: grid;
  gap: 8px;
  margin-top: 34px;
  padding: 22px;
  border-left: 3px solid var(--gold);
  background: var(--soft);
}

.contact-note span {
  color: var(--muted);
  line-height: 1.7;
}

.company-card {
  display: grid;
  gap: 22px;
  margin-top: 34px;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--soft);
}

.company-card h3 {
  margin: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: 25px;
  font-weight: 500;
}

.company-lines {
  display: grid;
  gap: 12px;
}

.company-lines p {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.company-lines strong {
  color: var(--ink);
}

.company-lines span {
  overflow-wrap: anywhere;
}

.qr-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.qr-grid div {
  display: grid;
  gap: 10px;
  width: 138px;
}

.qr-grid img,
.qr-placeholder {
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--white);
}

.qr-placeholder {
  display: grid;
  place-items: center;
  padding: 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  text-align: center;
}

.qr-grid span {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.consult-form {
  display: grid;
  gap: 16px;
  padding: 34px;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, #eef8f6 100%);
  box-shadow: var(--shadow);
}

.consult-form label {
  display: grid;
  gap: 8px;
  color: #35515c;
  font-size: 14px;
}

.consult-form input,
.consult-form select,
.consult-form textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(23, 48, 59, 0.14);
  padding: 0 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
  font: inherit;
}

.consult-form option {
  color: var(--ink);
}

.consult-form textarea {
  min-height: 116px;
  padding-top: 14px;
  resize: vertical;
}

.consult-form button {
  min-height: 52px;
  border: 0;
  color: #17303b;
  background: linear-gradient(135deg, #ffd36a, #7fd6c1);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.form-tip {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(0, 1.2fr) auto;
  align-items: center;
  gap: 28px;
  padding: 36px 56px;
  color: rgba(255, 255, 255, 0.78);
  background: #174653;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.footer-brand > div {
  width: 300px;
  max-width: 100%;
  margin-left: 6px;
}

.footer-brand img,
.footer-brand > span {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
}

.footer-brand > span {
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--gold);
  font-family: Georgia, serif;
}

.footer-brand strong {
  display: block;
  color: var(--white);
  font-family: Georgia, "Songti SC", serif;
  font-size: 20px;
  font-weight: 500;
  text-align: justify;
  text-align-last: justify;
  white-space: nowrap;
}

.footer-brand p {
  margin: 6px 0 0;
  line-height: 1.5;
  text-align: justify;
  text-align-last: justify;
  white-space: nowrap;
}

.footer-info {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 14px;
  line-height: 1.7;
}

.footer-info a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 1180px) {
  .desktop-nav,
  .header-cta {
    display: none;
  }

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

  .menu-button {
    display: block;
    justify-self: end;
  }

  .hero-content {
    padding-left: 32px;
  }

  .hero-proof {
    left: 32px;
    right: 32px;
    width: auto;
    grid-template-columns: repeat(2, 1fr);
  }

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

  .strength-grid,
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 760px) {
  .site-header {
    height: 70px;
    padding: 0 18px;
  }

  .brand-logo,
  .brand-mark {
    width: 40px;
    height: 40px;
  }

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

  .brand small {
    display: none;
  }

  .mobile-nav {
    inset: 74px 12px auto 12px;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    width: auto;
    padding: 126px 20px 38px;
  }

  h1 {
    font-size: 36px;
    line-height: 1.12;
  }

  .hero-copy {
    font-size: 17px;
    line-height: 1.75;
  }

  .hero-actions {
    display: grid;
  }

  .hero-proof {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    width: auto;
    margin: 0 20px 24px;
    grid-template-columns: 1fr;
  }

  .hero-proof article {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .hero-proof article:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 76px 20px;
  }

  h2 {
    font-size: 31px;
    line-height: 1.18;
  }

  .lead {
    font-size: 18px;
  }

  .signature-strip,
  .strength-grid,
  .experience-list,
  .route-grid,
  .trust-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

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

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

  .strength-grid article {
    min-height: auto;
  }

  .strength-grid h3 {
    margin-top: 38px;
  }

  .experience {
    min-height: auto;
  }

  .route-media {
    height: 235px;
  }

  .route-body {
    padding: 24px;
  }

  .route-body h3 {
    font-size: 25px;
  }

  .gallery figure,
  .gallery figure.wide {
    grid-column: auto;
    min-height: 300px;
  }

  .contact {
    gap: 38px;
  }

  .company-lines p {
    grid-template-columns: 62px minmax(0, 1fr);
  }

  .consult-form {
    padding: 24px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 30px 20px;
  }
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
}

.footer-links a {
  text-decoration: underline;
  text-underline-offset: 4px;
}