:root {
  --ink: #10212f;
  --muted: #657783;
  --deep: #0b2a35;
  --sea: #0f6f85;
  --teal: #1c9a91;
  --foam: #f3fbf9;
  --white: #ffffff;
  --sand: #f0d29a;
  --gold: #e5a63c;
  --coral: #d85c48;
  --line: #d7e7e7;
  --shadow: 0 24px 70px rgba(6, 33, 43, 0.18);
}

@keyframes headerDrop {
  from {
    opacity: 0;
    transform: translateY(-14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes oceanDrift {
  from {
    transform: scale(1.03) translate3d(0, 0, 0);
  }

  to {
    transform: scale(1.08) translate3d(-1.2%, -0.8%, 0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes softReveal {
  from {
    opacity: 0;
    transform: translateY(26px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--foam);
  font-family:
    "Noto Sans TC",
    "Microsoft JhengHei",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.7;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px max(24px, calc((100% - 1180px) / 2));
  color: var(--white);
  background: rgba(8, 40, 52, 0.68);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(14px);
  animation: headerDrop 560ms ease-out both;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  color: var(--deep);
  background: linear-gradient(135deg, var(--sand), #fff7df);
  border-radius: 8px;
}

.brand-mark svg,
.fact-icon svg,
.panel-title svg,
.equipment-item svg,
.button svg,
.menu-button svg {
  width: 22px;
  height: 22px;
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.brand strong {
  font-size: 1.12rem;
}

.brand small {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.96rem;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.86);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

.site-nav .nav-cta {
  color: var(--deep);
  background: var(--sand);
}

.menu-button {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 126px 24px 70px;
  color: var(--white);
  isolation: isolate;
}

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

.hero-image {
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: oceanDrift 18s ease-in-out infinite alternate;
  will-change: transform;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(5, 28, 39, 0.92), rgba(5, 38, 51, 0.66) 45%, rgba(5, 28, 39, 0.2)),
    linear-gradient(180deg, rgba(5, 28, 39, 0.38), rgba(5, 28, 39, 0.2) 58%, rgba(243, 251, 249, 0.92));
}

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

.hero-content .eyebrow,
.hero-content h1,
.hero-copy,
.hero-actions,
.hero-badges,
.image-note {
  animation: fadeUp 760ms cubic-bezier(0.2, 0.75, 0.22, 1) both;
}

.hero-content .eyebrow {
  animation-delay: 120ms;
}

.hero-content h1 {
  animation-delay: 220ms;
}

.hero-copy {
  animation-delay: 340ms;
}

.hero-actions {
  animation-delay: 460ms;
}

.hero-badges {
  animation-delay: 580ms;
}

.image-note {
  animation-delay: 700ms;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--sand);
  font-weight: 800;
  font-size: 0.93rem;
}

.eyebrow.dark {
  color: var(--sea);
}

.eyebrow.light {
  color: var(--sand);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: 4.4rem;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 span {
  display: block;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.35rem;
  line-height: 1.35;
  margin-top: 12px;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.22rem;
}

.hero-actions,
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-bottom: 24px;
}

.button {
  display: inline-flex;
  position: relative;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  overflow: hidden;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 35%, rgba(255, 255, 255, 0.34) 48%, transparent 62% 100%);
  transform: translateX(-120%);
  transition: transform 560ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button:hover::after,
.button:focus-visible::after {
  transform: translateX(120%);
}

.button.primary {
  color: var(--deep);
  background: linear-gradient(135deg, var(--sand), #fff3cc);
  box-shadow: 0 16px 38px rgba(229, 166, 60, 0.28);
}

.button.secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.34);
}

.button.wide {
  width: 100%;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-weight: 700;
}

.image-note {
  max-width: 520px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
}

.section {
  padding: 88px 24px;
}

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

.section-heading {
  max-width: 620px;
}

.section-heading.centered {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading h2 {
  margin-bottom: 16px;
  font-size: 2.35rem;
  line-height: 1.18;
}

.section-copy {
  color: var(--muted);
  font-size: 1.04rem;
}

.overview {
  padding-top: 64px;
  background:
    radial-gradient(circle at 15% 10%, rgba(240, 210, 154, 0.48), transparent 26%),
    linear-gradient(180deg, var(--foam), #ffffff 70%);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.fact-card {
  min-height: 190px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 44px rgba(6, 33, 43, 0.08);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.fact-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  color: var(--white);
  background: linear-gradient(135deg, var(--sea), var(--teal));
  border-radius: 8px;
  transition: transform 220ms ease;
}

.fact-card:hover {
  transform: translateY(-5px);
  border-color: rgba(28, 154, 145, 0.42);
  box-shadow: 0 22px 58px rgba(6, 33, 43, 0.13);
}

.fact-card:hover .fact-icon {
  transform: translateY(-2px) rotate(-3deg);
}

.fact-card p {
  margin-bottom: 4px;
  color: var(--muted);
  font-weight: 700;
}

.fact-card strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1.35;
}

.identity-band {
  background:
    linear-gradient(135deg, rgba(15, 111, 133, 0.1), rgba(216, 92, 72, 0.06)),
    #ffffff;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: center;
}

.split-layout.reverse {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.data-list,
.spec-list,
.contact-list {
  margin: 0;
}

.data-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.data-list div {
  min-height: 116px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 36px rgba(6, 33, 43, 0.07);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

.data-list div:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(15, 111, 133, 0.32);
  box-shadow: 0 20px 48px rgba(6, 33, 43, 0.12);
}

dt {
  color: var(--muted);
  font-weight: 800;
  font-size: 0.92rem;
}

dd {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
  font-size: 1.18rem;
  line-height: 1.45;
}

.specs-section {
  background:
    radial-gradient(circle at 85% 18%, rgba(28, 154, 145, 0.14), transparent 28%),
    #f9fcfb;
}

.spec-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.spec-panel {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.spec-panel:hover {
  transform: translateY(-4px);
  border-color: rgba(28, 154, 145, 0.34);
  box-shadow: 0 30px 82px rgba(6, 33, 43, 0.19);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.panel-title span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  color: var(--deep);
  background: var(--sand);
  border-radius: 8px;
  transition: transform 220ms ease;
}

.spec-panel:hover .panel-title span {
  transform: rotate(-4deg) scale(1.04);
}

.panel-title h3 {
  margin: 0;
  font-size: 1.35rem;
}

.spec-list div,
.contact-list div {
  display: grid;
  grid-template-columns: minmax(100px, 0.52fr) minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 54px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.spec-list div:first-child,
.contact-list div:first-child {
  border-top: 0;
}

.spec-list dd.muted,
.muted {
  color: #7b8d96;
  font-weight: 800;
}

.highlight-row {
  margin: 10px -14px 0;
  padding: 18px 14px !important;
  background: rgba(240, 210, 154, 0.34);
  border: 1px solid rgba(229, 166, 60, 0.25) !important;
  border-radius: 8px;
}

.highlight-row dd {
  color: #a3482f;
  font-size: 1.35rem;
}

.equipment-section {
  background:
    linear-gradient(180deg, #ffffff, #edf8f5),
    var(--foam);
}

.equipment-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.equipment-item {
  min-height: 148px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(6, 33, 43, 0.08);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.equipment-item span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 8px;
  transition: transform 220ms ease;
}

.equipment-item:hover {
  transform: translateY(-4px);
  border-color: rgba(15, 111, 133, 0.28);
  box-shadow: 0 20px 48px rgba(6, 33, 43, 0.12);
}

.equipment-item:hover span {
  transform: translateY(-2px) scale(1.04);
}

.equipment-item strong,
.equipment-item small {
  display: block;
}

.equipment-item strong {
  font-size: 1.08rem;
}

.equipment-item small {
  color: var(--muted);
  font-weight: 800;
  font-size: 0.94rem;
}

.equipment-item.available span {
  color: var(--white);
  background: var(--teal);
}

.equipment-item.unavailable span {
  color: var(--white);
  background: var(--coral);
}

.equipment-item.pending span {
  color: var(--deep);
  background: var(--sand);
}

.contact-section {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(11, 42, 53, 0.96), rgba(15, 111, 133, 0.9)),
    var(--deep);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.62fr);
  gap: 52px;
  align-items: center;
}

.contact-copy h2 {
  margin-bottom: 16px;
  font-size: 2.45rem;
  line-height: 1.18;
}

.contact-copy p:not(.eyebrow) {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
}

.contact-panel {
  padding: 26px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.2);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease;
}

.contact-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 34px 86px rgba(0, 0, 0, 0.24);
}

@supports (animation-timeline: view()) {
  .fact-card,
  .data-list div,
  .spec-panel,
  .equipment-item,
  .contact-panel {
    animation: softReveal both;
    animation-timeline: view();
    animation-range: entry 8% cover 28%;
  }
}

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

.contact-list {
  margin-bottom: 22px;
}

.contact-list dd {
  font-size: 1.08rem;
}

@media (max-width: 980px) {
  .site-header {
    padding-inline: 18px;
  }

  .menu-button {
    display: grid;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    left: 14px;
    right: 14px;
    display: grid;
    gap: 6px;
    padding: 12px;
    background: rgba(8, 40, 52, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.26);
    transform: translateY(-18px);
    opacity: 0;
    pointer-events: none;
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

  body.menu-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    width: 100%;
  }

  .hero {
    min-height: 86svh;
    padding-top: 118px;
  }

  h1 {
    max-width: 620px;
    font-size: 3.35rem;
  }

  .hero-copy {
    font-size: 1.1rem;
  }

  .fact-grid,
  .spec-columns,
  .split-layout,
  .split-layout.reverse,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding-block: 72px;
  }

  .section-heading.centered {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
    padding: 12px 14px;
  }

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

  .brand strong {
    font-size: 1rem;
  }

  .brand small {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-nav {
    top: 68px;
  }

  .hero {
    align-items: end;
    min-height: 88svh;
    padding: 100px 18px 52px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(5, 28, 39, 0.52), rgba(5, 28, 39, 0.7) 40%, rgba(5, 28, 39, 0.92)),
      linear-gradient(180deg, transparent 76%, rgba(243, 251, 249, 0.92));
  }

  h1 {
    margin-bottom: 18px;
    font-size: 2.45rem;
  }

  h1 span {
    font-size: 1rem;
  }

  .hero-copy {
    margin-bottom: 22px;
    font-size: 1rem;
  }

  .button {
    width: 100%;
    min-height: 50px;
  }

  .hero-badges {
    gap: 8px;
  }

  .hero-badges span {
    min-height: 34px;
    font-size: 0.88rem;
  }

  .section {
    padding: 58px 18px;
  }

  .section-heading h2,
  .contact-copy h2 {
    font-size: 1.85rem;
  }

  .fact-grid {
    grid-template-columns: 1fr;
  }

  .equipment-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .equipment-item {
    min-height: 132px;
    padding: 16px;
  }

  .equipment-item span {
    width: 38px;
    height: 38px;
    margin-bottom: 14px;
  }

  .equipment-item strong {
    overflow-wrap: anywhere;
    font-size: 1rem;
  }

  .equipment-item small {
    font-size: 0.88rem;
  }

  .data-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .data-list div {
    min-height: 108px;
    padding: 16px;
  }

  .data-list dd {
    overflow-wrap: anywhere;
    font-size: 0.98rem;
  }

  .fact-card {
    min-height: 150px;
  }

  .spec-panel,
  .contact-panel {
    padding: 20px;
  }

  .spec-list div,
  .contact-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  dd {
    font-size: 1.05rem;
  }

  .highlight-row {
    margin-inline: 0;
  }
}