:root {
  --paper: #f4efe5;
  --paper-soft: #faf6ee;
  --ink: #24201b;
  --muted: #716d65;
  --line: rgba(77, 70, 60, 0.17);
  --blue: #7f99af;
  --green: #aeb7a4;
  --clay: #c8a083;
  --sand: #cfc3a8;
  --sage: #aeb9ac;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: Inter, "Noto Serif SC", "Microsoft YaHei", sans-serif;
  background:
    url("assets/textures/paper-warm.webp") center / 580px 580px repeat,
    radial-gradient(circle at 22% 20%, rgba(255, 255, 255, 0.55), transparent 34%),
    radial-gradient(circle at 80% 76%, rgba(188, 164, 128, 0.13), transparent 32%),
    linear-gradient(135deg, #f8f3ea 0%, #f0e9de 100%);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.26;
  background-image:
    radial-gradient(rgba(87, 78, 64, 0.11) 0.6px, transparent 0.8px),
    radial-gradient(rgba(255, 255, 255, 0.5) 0.7px, transparent 1px);
  background-position: 0 0, 14px 18px;
  background-size: 24px 24px, 31px 31px;
}

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

button {
  font: inherit;
}

.garden {
  display: grid;
  grid-template-columns: minmax(760px, 1fr) 390px;
  width: min(100vw, 1452px);
  min-height: min(100vh, 1024px);
  margin: 0 auto;
  background:
    linear-gradient(rgba(248, 244, 236, 0.72), rgba(248, 244, 236, 0.72)),
    url("assets/textures/paper-warm.webp") center / 640px 640px repeat;
}

.map-pane {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  border-right: 1px solid rgba(71, 65, 54, 0.2);
}

.header {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 34px 44px 0;
}

.brand {
  display: grid;
  gap: 10px;
}

.brand-name {
  font-family: "Noto Serif SC", serif;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
}

.brand-line {
  color: #67645f;
  font-family: "Noto Serif SC", serif;
  font-size: 15px;
  line-height: 1.4;
}

.nav {
  padding-top: 8px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #6d6961;
  font-size: 14px;
}

.nav-icon,
.paper-icon,
.chain-icon {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}

.nav-icon::before,
.nav-icon::after {
  position: absolute;
  top: 2px;
  width: 6px;
  height: 11px;
  border: 1px solid currentColor;
  border-radius: 1px;
  content: "";
}

.nav-icon::before {
  left: 1px;
}

.nav-icon::after {
  right: 1px;
}

.map {
  position: absolute;
  inset: 108px 28px 82px 34px;
}

.route-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.route {
  fill: none;
  stroke-dasharray: 6 6;
  stroke-linecap: round;
  stroke-width: 1.25;
}

.route-blue {
  stroke: rgba(89, 124, 149, 0.38);
}

.route-brown {
  stroke: rgba(148, 111, 78, 0.35);
}

.joint {
  fill: var(--paper-soft);
  stroke: rgba(87, 124, 148, 0.7);
  stroke-width: 1.3;
}

.joint.warm {
  stroke: rgba(153, 103, 58, 0.68);
}

.sea-mark {
  position: absolute;
  color: rgba(88, 82, 72, 0.08);
  font-family: "Noto Serif SC", serif;
  font-size: 24px;
  letter-spacing: 2px;
  pointer-events: none;
}

.sea-mark-a {
  top: 5%;
  left: 50%;
}

.sea-mark-b {
  top: 48%;
  left: 2%;
}

.sea-mark-c {
  top: 56%;
  left: 58%;
}

.island {
  position: absolute;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 17px;
  width: 282px;
  height: 228px;
  padding: 62px 50px 40px;
  cursor: pointer;
  text-align: center;
  color: var(--ink);
  border: 0;
  background: transparent;
  transition: transform 180ms ease, filter 180ms ease;
}

.island-img {
  position: absolute;
  inset: -16px;
  z-index: -1;
  display: block;
  width: calc(100% + 32px);
  height: calc(100% + 32px);
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.island:hover,
.island.active {
  transform: translateY(-4px);
  filter: saturate(1.02);
}

.island-title {
  position: relative;
  z-index: 2;
  color: var(--island-ink);
  font-family: "Noto Serif SC", serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.15;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.72),
    0 0 8px rgba(255, 255, 255, 0.5);
}

.island-question {
  position: relative;
  z-index: 2;
  color: rgba(37, 32, 27, 0.76);
  font-family: "Noto Serif SC", serif;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.65;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7),
    0 0 7px rgba(255, 255, 255, 0.46);
}

.product {
  --island-ink: #1d1f1a;
  top: 16%;
  left: 16%;
}

.ai {
  --island-ink: #2f5879;
  top: 13%;
  left: 49%;
  width: 304px;
  height: 236px;
}

.business {
  --island-ink: #7f3f22;
  top: 57%;
  left: 7%;
}

.system {
  --island-ink: #3e3425;
  top: 68%;
  left: 38%;
}

.observe {
  --island-ink: #27311e;
  top: 53%;
  left: 71%;
  width: 270px;
  height: 214px;
}

.continue {
  position: absolute;
  bottom: 36px;
  left: 38px;
  z-index: 4;
  display: grid;
  grid-template-columns: auto auto 215px;
  align-items: center;
  gap: 13px;
  color: #6b6862;
  font-size: 15px;
}

.compass {
  position: relative;
  width: 18px;
  height: 18px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.compass::before {
  position: absolute;
  top: 4px;
  left: 7px;
  width: 3px;
  height: 8px;
  border-radius: 3px;
  background: currentColor;
  content: "";
  transform: rotate(35deg);
}

.continue-line {
  height: 1px;
  background: rgba(79, 73, 63, 0.36);
}

.continue-line::after {
  position: absolute;
  right: 0;
  width: 8px;
  height: 8px;
  border-top: 1px solid rgba(79, 73, 63, 0.5);
  border-right: 1px solid rgba(79, 73, 63, 0.5);
  content: "";
  transform: translateY(-4px) rotate(45deg);
}

.detail {
  position: relative;
  min-height: 100vh;
  padding: 39px 42px;
  background: rgba(248, 244, 236, 0.6);
}

.close {
  position: absolute;
  top: 38px;
  right: 38px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  color: #8a867e;
  border: 0;
  background: transparent;
  font-size: 29px;
  font-weight: 300;
  line-height: 1;
}

.detail-inner {
  padding-top: 218px;
}

.detail-title-row {
  display: flex;
  align-items: center;
  gap: 20px;
}

.detail-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue);
}

.detail-dot.product {
  background: var(--green);
}

.detail-dot.ai {
  background: var(--blue);
}

.detail-dot.business {
  background: var(--clay);
}

.detail-dot.system {
  background: var(--sand);
}

.detail-dot.observe {
  background: var(--sage);
}

.detail h1 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
}

.detail p {
  max-width: 286px;
  margin: 34px 0 44px;
  color: #5f5c56;
  font-family: "Noto Serif SC", serif;
  font-size: 15px;
  line-height: 1.95;
}

.link-list {
  max-width: 304px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.link-list a {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  min-height: 56px;
  gap: 14px;
  color: #625f58;
  font-family: "Noto Serif SC", serif;
  font-size: 15px;
}

.link-list a + a {
  border-top: 1px solid rgba(77, 70, 60, 0.08);
}

.paper-icon {
  border: 1px solid currentColor;
  border-radius: 2px;
}

.paper-icon::before {
  position: absolute;
  top: 2px;
  left: 3px;
  width: 7px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 4px 0 currentColor, 0 8px 0 currentColor;
  content: "";
}

.chain-icon::before,
.chain-icon::after {
  position: absolute;
  width: 8px;
  height: 6px;
  border: 1px solid currentColor;
  border-radius: 999px;
  content: "";
}

.chain-icon::before {
  top: 3px;
  left: 1px;
  transform: rotate(-35deg);
}

.chain-icon::after {
  right: 1px;
  bottom: 3px;
  transform: rotate(-35deg);
}

.arrow {
  font-size: 22px;
  font-family: Inter, sans-serif;
  font-weight: 400;
}

.status {
  display: grid;
  gap: 17px;
  margin-top: 45px;
  color: #77736b;
  font-family: "Noto Serif SC", serif;
  font-size: 14px;
}

.status strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  min-height: 32px;
  padding: 0 15px;
  color: #514d45;
  border-radius: 8px;
  background: rgba(219, 211, 191, 0.58);
  font-size: 14px;
  font-weight: 500;
}

.sprout {
  position: relative;
  width: 13px;
  height: 13px;
  color: #6a8b67;
}

.sprout::before {
  position: absolute;
  left: 6px;
  bottom: 1px;
  width: 1px;
  height: 11px;
  background: currentColor;
  content: "";
  transform: rotate(12deg);
}

.sprout::after {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 9px;
  height: 6px;
  border: 1px solid currentColor;
  border-right: 0;
  border-radius: 9px 0 9px 0;
  content: "";
  transform: rotate(-28deg);
}

@media (max-width: 1120px) {
  .garden {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .map-pane {
    min-height: 860px;
    border-right: 0;
    border-bottom: 1px solid rgba(71, 65, 54, 0.2);
  }

  .map {
    inset: 120px 22px 82px;
  }

  .detail {
    min-height: auto;
    padding: 34px;
  }

  .detail-inner {
    padding-top: 24px;
  }
}

@media (max-width: 720px) {
  .header {
    padding: 26px 22px 0;
  }

  .brand-name {
    font-size: 30px;
  }

  .nav {
    display: none;
  }

  .map-pane {
    min-height: 760px;
  }

  .island {
    width: 190px;
    height: 158px;
    gap: 10px;
    padding: 34px 26px 24px;
  }

  .island-title {
    font-size: 20px;
  }

  .island-question {
    font-size: 13px;
  }

  .product {
    left: 3%;
  }

  .ai {
    left: 48%;
    width: 208px;
  }

  .business {
    left: 0;
  }

  .system {
    left: 31%;
  }

  .observe {
    left: 58%;
    width: 190px;
  }

  .continue {
    grid-template-columns: auto auto 120px;
    left: 24px;
  }
}