:root {
  --ink: #062333;
  --deep: #003a91;
  --blue: #006fff;
  --sky: #7bd7ff;
  --pool: #dff8ff;
  --foam: #fbfeff;
  --paper: #f5fbf8;
  --sun: #efff5a;
  --pink: #ff8fb9;
  --coral: #ff6848;
  --green: #306b5c;
  --line: rgba(6, 35, 51, 0.16);
  --white-line: rgba(255, 255, 255, 0.52);
  --shadow: 0 28px 80px rgba(0, 59, 145, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--foam);
  font-family: "Avenir Next", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0, 111, 255, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 111, 255, 0.05) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(to bottom, transparent, black 16%, black 82%, transparent);
}

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

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

.grain {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.18;
  mix-blend-mode: multiply;
  background-image:
    radial-gradient(circle at 22% 18%, rgba(6, 35, 51, 0.18) 0 1px, transparent 1px),
    radial-gradient(circle at 74% 68%, rgba(0, 111, 255, 0.14) 0 1px, transparent 1px);
  background-size: 7px 7px, 11px 11px;
}

.site-header {
  position: fixed;
  top: 16px;
  left: 16px;
  right: 16px;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 62px;
  padding: 12px 14px;
  color: var(--foam);
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(0, 58, 145, 0.16);
  backdrop-filter: blur(18px);
  transition: color 220ms ease, background 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(251, 254, 255, 0.86);
  border-color: rgba(6, 35, 51, 0.12);
  box-shadow: 0 18px 44px rgba(0, 58, 145, 0.12);
}

.brand {
  display: grid;
  line-height: 1;
}

.brand span {
  font-size: 0.96rem;
  font-weight: 900;
}

.brand small {
  margin-top: 5px;
  font-size: 0.64rem;
  font-weight: 700;
  opacity: 0.78;
}

.site-nav {
  display: flex;
  gap: 6px;
  align-items: center;
}

.site-nav a {
  min-width: 54px;
  padding: 7px 10px;
  border: 1px solid transparent;
  font-size: 0.82rem;
  font-weight: 800;
  text-align: center;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: currentColor;
  background: rgba(255, 255, 255, 0.16);
  outline: 0;
  transform: translateY(-1px);
}

.section-pad {
  padding: 112px 6vw;
}

.section-index {
  width: max-content;
  margin-bottom: 30px;
  padding: 6px 10px;
  color: var(--deep);
  background: var(--sun);
  border: 1px solid rgba(6, 35, 51, 0.12);
  font-size: 0.76rem;
  font-weight: 950;
  line-height: 1;
}

.hero {
  position: relative;
  min-height: 96svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  align-items: end;
  gap: 34px;
  padding: 130px 6vw 74px;
  overflow: hidden;
  color: var(--foam);
  background: var(--deep);
  isolation: isolate;
}

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

.hero-bg {
  z-index: -4;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.22) contrast(0.98) brightness(1.08);
  transform: scale(1.04);
}

.hero-wash {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(0, 58, 145, 0.9), rgba(0, 111, 255, 0.36) 50%, rgba(251, 254, 255, 0.08)),
    linear-gradient(0deg, rgba(0, 58, 145, 0.78), rgba(0, 58, 145, 0) 48%);
}

.hero::after {
  content: "";
  position: absolute;
  left: -10vw;
  right: -10vw;
  bottom: -1px;
  z-index: -1;
  height: 20svh;
  background: linear-gradient(176deg, transparent 0 44%, var(--foam) 45% 100%);
}

.hero-label {
  position: absolute;
  top: 18svh;
  right: -3vw;
  z-index: -2;
  display: grid;
  color: rgba(255, 255, 255, 0.18);
  font-size: 8.4rem;
  font-weight: 950;
  line-height: 0.78;
  transform: rotate(-6deg);
  user-select: none;
}

.hero-copy {
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--sun);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 880px;
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 4.15rem;
  font-weight: 800;
  line-height: 1.08;
  word-break: keep-all;
  text-shadow: 0 18px 70px rgba(0, 32, 86, 0.38);
}

.hero-lead {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(251, 254, 255, 0.88);
  font-size: 1.04rem;
  font-weight: 680;
}

.profile-ticket {
  align-self: end;
  margin: 0 0 16px;
  border: 1px solid var(--white-line);
  background: rgba(251, 254, 255, 0.12);
  box-shadow: 0 34px 90px rgba(0, 28, 86, 0.32);
  transform: rotate(1.2deg);
}

.profile-ticket img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 50% 38%;
}

.profile-ticket div {
  display: grid;
  gap: 5px;
  padding: 13px;
  color: var(--ink);
  background: var(--foam);
}

.profile-ticket strong {
  color: var(--deep);
  font-size: 1rem;
}

.profile-ticket span {
  font-size: 0.78rem;
  font-weight: 800;
}

.ticker {
  position: relative;
  z-index: 3;
  padding: 16px 0;
  overflow: hidden;
  color: var(--deep);
  background: var(--sun);
  border-top: 1px solid rgba(6, 35, 51, 0.12);
  border-bottom: 1px solid rgba(6, 35, 51, 0.12);
}

.ticker-track {
  display: flex;
  gap: 34px;
  width: max-content;
  padding-left: 6vw;
  animation: drift 30s linear infinite;
}

.ticker span {
  white-space: nowrap;
  font-size: 0.88rem;
  font-weight: 950;
}

.profile {
  background:
    radial-gradient(circle at 82% 14%, rgba(255, 143, 185, 0.22), transparent 28%),
    linear-gradient(180deg, var(--foam), var(--pool));
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
  gap: 7vw;
  align-items: start;
}

.profile-title,
.work h2,
.routes h2,
.city h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 3.05rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--ink);
}

.profile-copy {
  padding-top: 11px;
  border-top: 3px solid var(--blue);
}

.profile-copy p {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 650;
}

.profile-copy p + p {
  margin-top: 18px;
}

.work {
  color: var(--foam);
  background:
    linear-gradient(180deg, #006fff 0%, #0058d8 45%, #003a91 100%);
}

.work .section-index {
  color: var(--deep);
}

.work h2 {
  color: var(--foam);
}

.work-head {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 0.62fr);
  gap: 6vw;
  align-items: end;
  margin-bottom: 52px;
}

.work-head p {
  margin: 0;
  color: rgba(251, 254, 255, 0.82);
  font-size: 1rem;
  font-weight: 680;
}

.highlight-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.76fr) minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.work-photo,
.work-wide,
.travel-card,
.city-photo {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.work-photo {
  min-height: 520px;
}

.work-photo img,
.work-wide img,
.travel-card img,
.city-photo img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transition: transform 700ms ease, filter 700ms ease;
}

.work-photo::after,
.work-wide::after,
.travel-card::after,
.city-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 58, 145, 0) 44%, rgba(0, 40, 105, 0.74));
}

figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 2;
  color: var(--foam);
  font-size: 0.82rem;
  font-weight: 850;
}

.work-photo:hover img,
.work-wide:hover img,
.travel-card:hover img,
.city-photo:hover img {
  transform: scale(1.035);
  filter: saturate(1.12) brightness(1.04);
}

.highlight-list {
  display: grid;
  gap: 14px;
}

.highlight {
  min-height: 158px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  background: rgba(251, 254, 255, 0.08);
  backdrop-filter: blur(16px);
}

.highlight span {
  color: var(--sun);
  font-size: 0.8rem;
  font-weight: 950;
}

.highlight h3 {
  margin: 18px 0 10px;
  font-size: 1.28rem;
  line-height: 1.24;
}

.highlight p {
  margin: 0;
  color: rgba(251, 254, 255, 0.78);
  font-weight: 650;
}

.work-wide {
  min-height: 410px;
  margin-top: 20px;
}

.routes {
  background:
    linear-gradient(180deg, var(--paper), var(--foam) 62%, #e6f8ff);
}

.routes-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(0, 1fr);
  gap: 5vw;
  align-items: start;
  margin-bottom: 42px;
}

.route-intro p {
  max-width: 520px;
  margin: 26px 0 0;
  color: rgba(6, 35, 51, 0.72);
  font-weight: 680;
}

.route-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.route-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.route-list span {
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.9rem;
  font-weight: 800;
}

.route-list small {
  color: var(--deep);
  font-size: 0.9rem;
  font-weight: 900;
  text-align: right;
}

.travel-wall {
  display: grid;
  grid-template-columns: 1fr 0.74fr 0.74fr;
  gap: 16px;
  align-items: stretch;
}

.travel-card {
  min-height: 430px;
}

.travel-card.large {
  min-height: 560px;
}

.city {
  background:
    radial-gradient(circle at 14% 28%, rgba(123, 215, 255, 0.3), transparent 32%),
    linear-gradient(180deg, var(--foam), #f7fbff);
}

.city-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.42fr) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.city-copy {
  position: sticky;
  top: 118px;
}

.city-copy p {
  max-width: 440px;
  margin: 28px 0 0;
  color: rgba(6, 35, 51, 0.72);
  font-weight: 680;
}

.city-copy .note {
  padding-left: 14px;
  border-left: 4px solid var(--sun);
  color: var(--deep);
}

.city-photos {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 16px;
}

.city-photo {
  min-height: 380px;
}

.city-photo.wide {
  grid-column: 1 / -1;
  min-height: 520px;
}

.footer {
  padding: 76px 6vw 42px;
  text-align: center;
  color: var(--ink);
  background: var(--sun);
}

.footer p {
  max-width: 820px;
  margin: 0 auto 20px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.45;
}

.footer small {
  font-weight: 900;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 760ms ease var(--delay, 0ms),
    transform 760ms ease var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1020px) {
  .hero,
  .profile-grid,
  .work-head,
  .highlight-layout,
  .routes-grid,
  .city-layout {
    grid-template-columns: 1fr;
  }

  .profile-ticket {
    max-width: 390px;
    margin-left: auto;
  }

  .hero-label {
    font-size: 6rem;
  }

  .city-copy {
    position: relative;
    top: auto;
  }
}

@media (max-width: 740px) {
  .site-header {
    top: 10px;
    left: 10px;
    right: 10px;
    min-height: 56px;
    gap: 10px;
  }

  .brand small {
    display: none;
  }

  .site-nav {
    gap: 2px;
  }

  .site-nav a {
    min-width: auto;
    padding: 6px 7px;
    font-size: 0.74rem;
  }

  .section-pad {
    padding: 76px 20px;
  }

  .hero {
    min-height: 94svh;
    padding: 96px 20px 56px;
  }

  .hero-bg img {
    object-position: 58% center;
  }

  .hero-label {
    display: none;
  }

  .hero h1 {
    font-size: 2.08rem;
    line-height: 1.15;
  }

  .hero-lead {
    font-size: 0.96rem;
  }

  .profile-ticket {
    max-width: 245px;
  }

  .profile-title,
  .work h2,
  .routes h2,
  .city h2 {
    font-size: 2.08rem;
  }

  .travel-wall,
  .city-photos {
    grid-template-columns: 1fr;
  }

  .travel-card,
  .travel-card.large,
  .city-photo,
  .city-photo.wide,
  .work-photo,
  .work-wide {
    min-height: 360px;
  }

  .route-list li {
    display: grid;
    gap: 4px;
  }

  .route-list small {
    text-align: left;
  }

  .footer p {
    font-size: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}