html {
  scroll-behavior: smooth;
  scroll-padding-top: 0;
  overscroll-behavior-y: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

button,
input {
  font: inherit;
}

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

body.landing-body {
  --landing-navy: #0d2248;
  --landing-navy-deep: #08162f;
  --landing-ink: #eff4ff;
  --landing-muted: rgba(239, 244, 255, 0.7);
  --landing-line: rgba(255, 255, 255, 0.1);
  --landing-card: rgba(7, 18, 38, 0.76);
  --landing-card-soft: rgba(11, 30, 63, 0.74);
  --landing-accent: #8dbbff;
  background:
    radial-gradient(circle at 18% 18%, rgba(94, 145, 255, 0.2), transparent 28%),
    radial-gradient(circle at 82% 22%, rgba(255, 255, 255, 0.08), transparent 20%),
    linear-gradient(180deg, #112b5c 0%, #0a1833 50%, #061120 100%);
  color: var(--landing-ink);
  min-height: 100vh;
}

.landing-header {
  position: fixed;
  inset: 0 0 auto;
  padding: 26px 56px;
  z-index: 50;
  pointer-events: none;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.landing-nav-shell {
  width: 100%;
  margin: 0 auto;
  padding: 0;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: transparent;
  box-shadow: none;
  pointer-events: auto;
}

.landing-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.landing-logo {
  width: 54px;
  height: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.3s ease;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.landing-nav-item {
  position: relative;
}

.landing-nav-trigger {
  border: 0;
  padding: 12px 18px;
  border-radius: 999px;
  background: transparent;
  color: var(--landing-ink);
  font-size: 0.98rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  text-shadow: 0 2px 14px rgba(1, 9, 25, 0.42);
  transition: background 0.28s ease, color 0.28s ease, transform 0.28s ease;
}

.landing-header.is-on-light {
  background: transparent;
  border-bottom-color: transparent;
}

.landing-header.is-on-light .landing-logo {
  filter: brightness(0);
}

.landing-header.is-on-light .landing-nav-trigger,
.landing-header.is-on-light .news-back-link {
  color: #0a1c3b;
  text-shadow: none;
}

.landing-header.is-on-light .landing-nav-item:hover .landing-nav-trigger,
.landing-header.is-on-light .landing-nav-item.is-open .landing-nav-trigger {
  background: rgba(10, 28, 59, 0.07);
}

.landing-nav-item:hover .landing-nav-trigger,
.landing-nav-item.is-open .landing-nav-trigger {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  transform: translateY(-1px);
}

.landing-submenu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  min-width: 220px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  display: grid;
  gap: 8px;
  background: rgba(242, 246, 255, 0.96);
  box-shadow: 0 22px 50px rgba(1, 10, 27, 0.24);
  transform: translateX(-50%) translateY(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s ease;
}

.landing-submenu a {
  padding: 10px 12px;
  border-radius: 14px;
  color: #10254f;
  text-decoration: none;
  font-size: 0.94rem;
  transition: background 0.22s ease, transform 0.22s ease;
}

.landing-submenu a:hover {
  background: rgba(16, 37, 79, 0.08);
  transform: translateX(4px);
}

.landing-nav-item:hover .landing-submenu,
.landing-nav-item.is-open .landing-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.news-back-link {
  color: var(--landing-ink);
  text-decoration: none;
  font-size: 0.94rem;
  letter-spacing: 0.08em;
}

.hero-screen,
.news-screen {
  min-height: 100vh;
}

.hero-screen {
  position: sticky;
  top: 0;
  z-index: 1;
  height: 100vh;
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(520px, 1.1fr);
  align-items: center;
  gap: 30px;
  padding: 132px 56px 40px;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 52%, rgba(28, 61, 119, 0.38), transparent 42%),
    linear-gradient(90deg, #020519 0%, #04132f 100%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  align-self: center;
  transform: translate3d(0, 0, 0);
  will-change: transform, opacity;
}

.hero-title-art {
  position: relative;
  width: min(48vw, 900px);
  aspect-ratio: 3.05;
  margin-left: -1.5vw;
  overflow: visible;
}

.hero-title-image {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 104%;
  height: auto;
  max-width: none;
  transform: translate(-50%, -50%);
}

.hero-stage {
  position: relative;
  height: min(76vh, 760px);
  transform: translate3d(0, 0, 0) scale(1);
  transform-origin: 72% 74%;
  will-change: transform, opacity;
}

.hero-building-visual {
  position: absolute;
  inset: 0;
  overflow: visible;
}

.hero-building-image {
  position: absolute;
  right: -7%;
  bottom: -10%;
  width: 130%;
  height: auto;
  max-width: none;
  clip-path: polygon(15% 100%, 15% 90%, 86% 0, 100% 0, 100% 100%);
}

.hero-scroll-cue {
  position: absolute;
  left: 56px;
  bottom: 34px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  letter-spacing: 0.14em;
}

.hero-scroll-cue::before {
  content: "";
  width: 46px;
  height: 1px;
  background: rgba(255, 255, 255, 0.38);
  transform-origin: left;
  animation: cue-line 1.8s ease-in-out infinite;
}

.news-screen {
  position: relative;
  z-index: 2;
  height: 100vh;
  padding: 116px 56px 120px;
  overflow: hidden;
  color: #0a1c3b;
  background:
    radial-gradient(circle at 8% 12%, rgba(185, 206, 242, 0.22), transparent 24%),
    #f7f7f4;
  scroll-margin-top: 0;
}

.news-screen::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: rgba(9, 29, 61, 0.09);
}

.news-screen-inner {
  width: min(1380px, 100%);
  margin: 0 auto;
}

.news-section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 38px;
}

.news-section-header h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(3rem, 5vw, 5.2rem);
  line-height: 1;
  letter-spacing: 0.04em;
}

.news-all-link {
  padding-bottom: 8px;
  color: #263750;
  text-decoration: none;
  font-size: 0.92rem;
}

.news-all-link span,
.news-card-body a span {
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.25s ease;
}

.news-all-link:hover span,
.news-card-body a:hover span {
  transform: translateX(5px);
}

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

.news-reveal-item {
  opacity: 0;
  transform: translate3d(0, 58px, 0);
  transition:
    opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.news-reveal-item.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.news-card {
  scroll-margin-top: 120px;
  overflow: hidden;
  border: 1px solid rgba(10, 28, 59, 0.1);
  border-radius: 20px;
  background: #ffffff;
  box-shadow: 0 18px 50px rgba(10, 28, 59, 0.07);
  contain: layout paint;
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.news-card:hover {
  box-shadow: 0 26px 70px rgba(10, 28, 59, 0.13);
  transform: translateY(-6px);
}

.news-card-visual {
  position: relative;
  height: clamp(220px, 24vw, 340px);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.news-card-visual strong {
  position: relative;
  z-index: 2;
  color: #f8fbff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3vw, 3.4rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-shadow: 0 4px 24px rgba(3, 12, 32, 0.32);
}

.visual-ixone {
  background:
    linear-gradient(115deg, transparent 15%, rgba(255, 255, 255, 0.9) 50%, transparent 78%),
    repeating-linear-gradient(90deg, rgba(94, 128, 189, 0.1) 0 1px, transparent 1px 52px),
    linear-gradient(145deg, #e8effc, #aabce1 54%, #eef3fd);
}

.visual-aries {
  background:
    radial-gradient(circle, transparent 25%, rgba(70, 130, 255, 0.68) 27%, transparent 30%),
    radial-gradient(circle, transparent 35%, rgba(69, 119, 240, 0.32) 37%, transparent 43%),
    radial-gradient(circle at 50% 55%, #173c83, #07162f 48%, #020814 82%);
}

.visual-aries::before {
  content: "";
  position: absolute;
  width: 58%;
  aspect-ratio: 1;
  border: 2px solid rgba(151, 194, 255, 0.62);
  border-radius: 50%;
  box-shadow: 0 0 34px #4f91ff, inset 0 0 28px rgba(79, 145, 255, 0.55);
}

.visual-sh1ne {
  background:
    repeating-linear-gradient(82deg, transparent 0 34px, rgba(255, 255, 255, 0.24) 35px 38px),
    radial-gradient(circle at 50% 12%, #ffffff 0%, #d8d4f8 28%, #a9a8dd 68%, #7778b0 100%);
}

.news-card-body {
  padding: 24px 26px 28px;
}

.news-card-body time {
  color: #8993a4;
  font-size: 0.8rem;
}

.news-card-body h3 {
  margin: 14px 0 10px;
  color: #101e36;
  font-size: 1.32rem;
  font-weight: 600;
}

.news-card-body p {
  min-height: 58px;
  margin: 0 0 26px;
  color: #758095;
  line-height: 1.75;
}

.news-card-body a {
  color: #101e36;
  text-decoration: none;
  font-weight: 600;
}

.news-page-main {
  width: min(1280px, calc(100vw - 112px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 168px 0 72px;
}

.news-page-body {
  background: #f7f7f4;
  color: #0a1c3b;
}

.news-page-heading {
  max-width: 720px;
  margin-bottom: 54px;
}

.news-page-heading h1 {
  margin: 0 0 18px;
  color: #0a1c3b;
  font-size: clamp(4rem, 8vw, 7.6rem);
  line-height: 0.95;
  letter-spacing: 0.04em;
}

.news-page-heading > p:last-child {
  color: #6f7c91;
  font-size: 1.08rem;
  line-height: 1.8;
}

.news-page-list {
  border-top: 1px solid rgba(10, 28, 59, 0.12);
}

.news-page-empty {
  padding: 52px 0;
  border-bottom: 1px solid rgba(10, 28, 59, 0.12);
}

.news-page-empty span {
  color: var(--landing-accent);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
}

.news-page-empty h2 {
  margin: 16px 0 8px;
  color: #0a1c3b;
  font-size: 2rem;
}

.news-page-empty p {
  margin: 0;
  color: #6f7c91;
}

@keyframes cue-line {
  0%, 100% { transform: scaleX(0.55); opacity: 0.45; }
  50% { transform: scaleX(1); opacity: 1; }
}

@media (max-width: 1180px) {
  .landing-header {
    padding-left: 32px;
    padding-right: 32px;
  }

  .hero-screen,
  .news-screen {
    padding-left: 32px;
    padding-right: 32px;
  }

  .hero-screen {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-stage {
    height: 58vh;
  }

  .hero-title-art {
    width: min(76vw, 820px);
  }

  .hero-building-visual {
    inset: 0 0 -8% 12%;
  }

  .news-card-grid {
    gap: 18px;
  }
}

@media (max-width: 860px) {
  .news-card-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-copy,
  .hero-stage,
  .news-reveal-item {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-scroll-cue::before {
    animation: none;
  }
}