:root {
  --ink:#0c2518;
  --deep:#071a10;
  --green:#1c5b37;
  --leaf:#75a954;
  --gold:#d8b66a;
  --paper:#f1f0e8;
  --mist:#dfe9d8;
  --text:#183125;
  --muted:#698072;
  --line:rgba(17,50,33,.14)
}

* {
  box-sizing:border-box
}

html {
  scroll-behavior:smooth
}

body {
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Microsoft YaHei","PingFang SC",sans-serif;
  overflow-x:hidden
}

button,input,select,textarea {
  font:inherit
}

button {
  cursor:pointer
}

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

.shell {
  width:min(1240px,calc(100% - 64px));
  margin:auto
}

.kicker {
  font-size:11px;
  line-height:1;
  letter-spacing:2px;
  font-weight:700;
  color:#7b9d61;
  text-transform:uppercase
}

.display {
  font-family:"STKaiti","KaiTi",serif;
  letter-spacing:0;
  line-height:1.05
}

.reveal {
  opacity:0;
  transform:translateY(20px);
  transition:opacity .7s ease,transform .7s ease
}

.reveal.in {
  opacity:1;
  transform:none
}

.nav {
  height:82px;
  position:absolute;
  inset:0 0 auto;
  z-index:10;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.21);
  transition:.25s
}

.nav.fixed {
  position:fixed;
  background:rgba(7,26,16,.94);
  backdrop-filter:blur(16px);
  border-color:rgba(255,255,255,.1)
}

.nav-wrap {
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between
}

.brand {
  display:flex;
  align-items:center;
  gap:11px;
  font-size:15px;
  font-weight:700;
  letter-spacing:1px
}

.brand-seal {
  width:35px;
  height:35px;
  border:1px solid rgba(255,255,255,.72);
  border-radius:50%;
  display:grid;
  place-items:center;
  font-family:"STKaiti","KaiTi",serif;
  font-size:19px
}

.nav-links {
  display:flex;
  gap:28px;
  font-size:13px;
  color:rgba(255,255,255,.8)
}

.nav-links a:hover {
  color:#f0d98e
}

.nav-call {
  display:flex;
  gap:9px;
  align-items:center;
  font-family:Georgia,serif;
  font-size:15px;
  color:#f4dfa0
}

.menu {
  display:none;
  border:0;
  background:none;
  color:#fff;
  font-size:24px
}

.hero {
  min-height:100vh;
  min-height:740px;
  position:relative;
  color:#fff;
  background:var(--deep);
  display:flex;
  align-items:flex-end;
  overflow:hidden
}

.hero-image {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  animation:slowZoom 18s ease-out both
}

.hero-mask {
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(3,18,10,.88) 0%,rgba(4,23,12,.64) 43%,rgba(4,23,12,.08) 83%),linear-gradient(0deg,rgba(3,18,10,.72),transparent 48%)
}

@keyframes slowZoom {
  from {
    transform:scale(1.04)
  }

  to {
    transform:scale(1)
  }

}

.hero-inner {
  position:relative;
  z-index:1;
  width:100%;
  padding:0 0 50px
}

.hero-copy {
  max-width:800px;
  padding-top:180px
}

.hero .kicker {
  color:#e6cf8b
}

.hero h1 {
  margin:18px 0 18px;
  font-size:clamp(56px,7vw,105px);
  font-weight:700
}

.hero h1 em {
  font-style:normal;
  color:#e7cd87
}

.hero-desc {
  width:min(100%,540px);
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.8)
}

.action-row {
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px
}

.button {
  height:50px;
  border:1px solid transparent;
  padding:0 22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-size:14px;
  font-weight:700;
  transition:.25s
}

.button.primary {
  background:#e2c46f;
  color:#163523
}

.button.primary:hover {
  background:#f5dea0;
  transform:translateY(-2px)
}

.button.ghost {
  border-color:rgba(255,255,255,.55);
  color:#fff;
  background:rgba(0,0,0,.13)
}

.button.dark {
  background:var(--ink);
  color:#fff
}

.button.dark:hover {
  background:#286840
}

.hero-data {
  display:grid;
  grid-template-columns:1.1fr repeat(3,1fr);
  margin-top:75px;
  border-top:1px solid rgba(255,255,255,.29)
}

.hero-data article {
  min-height:88px;
  padding:17px 22px 0 0;
  border-right:1px solid rgba(255,255,255,.24);
  margin-right:20px
}

.hero-data article:last-child {
  border:0
}

.hero-data strong {
  display:block;
  font:700 26px/1 Georgia,serif;
  color:#f0d993
}

.hero-data span {
  font-size:12px;
  color:rgba(255,255,255,.7);
  margin-top:8px;
  display:block
}

.scroll-mark {
  position:absolute;
  right:42px;
  bottom:42px;
  z-index:2;
  writing-mode:vertical-rl;
  color:rgba(255,255,255,.65);
  letter-spacing:3px;
  font-size:10px
}

.scroll-mark:after {
  content:"";
  height:55px;
  width:1px;
  background:#d7bd76;
  display:block;
  margin:13px auto 0
}

section {
  padding:120px 0
}

.section-top {
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:48px;
  margin-bottom:50px
}

.section-top h2 {
  font-size:clamp(38px,4vw,58px);
  margin:12px 0 0
}

.section-top p {
  max-width:380px;
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.9
}

.intro {
  background:#f4f3ed
}

.intro-grid {
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:78px;
  align-items:center
}

.photo-stack {
  position:relative;
  padding:0 32px 32px 0
}

.photo-stack:after {
  content:"";
  position:absolute;
  right:0;
  bottom:0;
  width:72%;
  height:65%;
  border:1px solid var(--gold)
}

.photo-stack img {
  display:block;
  width:100%;
  height:590px;
  object-fit:cover;
  position:relative;
  z-index:1
}

.photo-caption {
  position:absolute;
  z-index:2;
  bottom:0;
  left:0;
  width:240px;
  padding:20px;
  background:var(--green);
  color:#fff
}

.photo-caption b {
  display:block;
  color:#e8d18d;
  font:28px Georgia,serif
}

.photo-caption span {
  font-size:12px;
  color:rgba(255,255,255,.7)
}

.intro-main h2 {
  font-size:51px;
  margin:12px 0 24px
}

.intro-main>p {
  font-size:15px;
  line-height:2;
  color:#5b7062
}

.point-list {
  margin-top:35px;
  border-top:1px solid var(--line)
}

.point {
  display:grid;
  grid-template-columns:34px 1fr;
  gap:14px;
  padding:18px 0;
  border-bottom:1px solid var(--line)
}

.point b {
  font:16px Georgia,serif;
  color:#c37b41
}

.point h3 {
  margin:0 0 4px;
  font-size:16px
}

.point p {
  margin:0;
  font-size:13px;
  color:var(--muted)
}

.map {
  background:#0a2416;
  color:#fff;
  overflow:hidden
}

.map .kicker {
  color:#abc98e
}

.map .section-top p {
  color:rgba(255,255,255,.6)
}

.map-layout {
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:26px;
  align-items:stretch
}

.map-nav {
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  min-height:560px;
  padding:32px;
  background:#123a25
}

.zone-buttons {
  display:flex;
  flex-direction:column;
  gap:2px
}

.zone-btn {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 0;
  border:0;
  border-bottom:1px solid rgba(255,255,255,.14);
  background:transparent;
  color:rgba(255,255,255,.62);
  font-size:15px;
  text-align:left
}

.zone-btn.active,.zone-btn:hover {
  color:#fff
}

.zone-btn i {
  font-style:normal;
  color:#dcbf79;
  opacity:0
}

.zone-btn.active i,.zone-btn:hover i {
  opacity:1
}

.zone-note {
  color:rgba(255,255,255,.58);
  font-size:13px;
  line-height:1.8
}

.zone-showcase {
  position:relative;
  min-height:560px;
  overflow:hidden
}

.zone-photo {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0;
  transition:opacity .5s
}

.zone-photo.active {
  opacity:1
}

.zone-overlay {
  position:absolute;
  inset:auto 0 0;
  padding:80px 34px 30px;
  background:linear-gradient(transparent,rgba(0,0,0,.75))
}

.zone-overlay b {
  font:38px "STKaiti","KaiTi",serif
}

.zone-overlay p {
  margin:8px 0 0;
  color:rgba(255,255,255,.75);
  font-size:13px
}

.models {
  background:var(--mist)
}

.models-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px
}

.model-card {
  min-height:475px;
  padding:30px;
  background:#f8f8f2;
  display:flex;
  flex-direction:column;
  border-top:3px solid #69a04b;
  transition:.25s
}

.model-card:hover {
  transform:translateY(-6px);
  box-shadow:0 18px 35px rgba(25,66,38,.13)
}

.model-card:nth-child(2) {
  border-color:#cb914a
}

.model-card:nth-child(3) {
  border-color:#59869c
}

.model-no {
  font:14px Georgia,serif;
  color:#8aa06e
}

.model-card h3 {
  font-size:25px;
  margin:45px 0 8px
}

.model-card .range {
  font:34px Georgia,serif;
  color:#bc783c
}

.model-card p {
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  min-height:72px
}

.model-card ul {
  padding:17px 0;
  margin:auto 0 0;
  list-style:none;
  border-top:1px solid var(--line)
}

.model-card li {
  font-size:13px;
  padding:5px 0
}

.model-card li:before {
  content:"+";
  color:#c27837;
  font-weight:bold;
  margin-right:8px
}

.text-link {
  margin-top:24px;
  font-size:13px;
  font-weight:700;
  color:#255f39
}

.text-link:after {
  content:" →"
}

.numbers {
  background:#e3c97e
}

.numbers-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr)
}

.numbers-grid article {
  padding:18px 28px;
  border-right:1px solid rgba(27,67,39,.24)
}

.numbers-grid article:first-child {
  padding-left:0
}

.numbers-grid article:last-child {
  border:0
}

.numbers-grid strong {
  display:block;
  font:36px/1 Georgia,serif;
  color:#1a462c
}

.numbers-grid span {
  font-size:12px;
  color:#395b3e;
  margin-top:10px;
  display:block
}

.return {
  background:#f4f3ed
}

.return-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px
}

.calculator {
  padding:42px;
  background:#143d26;
  color:#fff
}

.calculator .kicker {
  color:#c9dc9f
}

.calculator h2 {
  font-size:44px;
  margin:13px 0
}

.calculator>p {
  color:rgba(255,255,255,.67);
  font-size:14px;
  line-height:1.8
}

.slider-wrap {
  margin-top:35px
}

.slider-label {
  display:flex;
  justify-content:space-between;
  font-size:13px;
  margin-bottom:11px
}

.slider-label output {
  font:19px Georgia,serif;
  color:#edd38d
}

input[type=range] {
  width:100%;
  accent-color:#e0c374
}

.calc-result {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:34px
}

.calc-result div {
  padding:16px;
  background:rgba(255,255,255,.1)
}

.calc-result b {
  display:block;
  color:#ebd18c;
  font:24px Georgia,serif
}

.calc-result span {
  font-size:11px;
  color:rgba(255,255,255,.64)
}

.cashflow {
  padding:42px;
  background:#fff
}

.cashflow h3 {
  margin:0;
  font-size:25px
}

.cashflow>p {
  font-size:13px;
  color:var(--muted);
  margin:7px 0 27px
}

.flow-row {
  display:grid;
  grid-template-columns:112px 1fr 43px;
  gap:12px;
  align-items:center;
  margin:15px 0;
  font-size:13px
}

.bar {
  height:8px;
  background:#e5e8df
}

.bar i {
  display:block;
  height:100%;
  background:#4d8848
}

.flow-row:nth-of-type(3) .bar i {
  background:#b7803d
}

.flow-row:nth-of-type(4) .bar i {
  background:#7691a3
}

.flow-row:nth-of-type(5) .bar i {
  background:#90a956
}

.contact {
  padding-bottom:0;
  background:#ebece4
}

.contact-box {
  display:grid;
  grid-template-columns:.85fr 1.15fr
}

.contact-side {
  padding:58px;
  background:#0c2d1b;
  color:#fff
}

.contact-side .kicker {
  color:#cae0a4
}

.contact-side h2 {
  margin:14px 0 20px;
  font-size:48px
}

.contact-side>p {
  color:rgba(255,255,255,.68);
  font-size:14px;
  line-height:1.9
}

.contact-number {
  margin:45px 0 22px;
  font:29px Georgia,serif;
  color:#edd38d
}

.contact-meta {
  border-top:1px solid rgba(255,255,255,.2);
  padding-top:18px;
  font-size:13px;
  line-height:2;
  color:rgba(255,255,255,.72)
}

.form-side {
  padding:55px;
  background:#fff
}

.form-side h3 {
  font-size:26px;
  margin:0
}

.form-side>p {
  font-size:13px;
  color:var(--muted);
  margin:8px 0 26px
}

.form-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px
}

.field {
  display:flex;
  flex-direction:column;
  gap:7px
}

.field.wide {
  grid-column:span 2
}

.field label {
  font-size:12px;
  font-weight:700
}

.field input,.field select,.field textarea {
  width:100%;
  border:1px solid #dce3d8;
  border-radius:0;
  background:#fbfcfa;
  color:var(--text);
  padding:12px;
  outline:0;
  font-size:14px
}

.field input:focus,.field select:focus,.field textarea:focus {
  border-color:#5d954d;
  box-shadow:0 0 0 3px rgba(93,149,77,.11)
}

.field textarea {
  min-height:83px;
  resize:vertical
}

.form-actions {
  grid-column:span 2;
  display:flex;
  align-items:center;
  gap:16px;
  margin-top:6px
}

.form-hint {
  font-size:11px;
  color:#819187
}

.toast {
  position:fixed;
  z-index:30;
  left:50%;
  bottom:25px;
  transform:translate(-50%,140%);
  padding:14px 20px;
  background:#fff;
  color:var(--ink);
  border-left:3px solid #78a54e;
  box-shadow:0 10px 30px rgba(0,0,0,.2);
  font-size:14px;
  transition:.3s;
  white-space:nowrap
}

.toast.show {
  transform:translate(-50%,0)
}

.footer {
  background:#071a10;
  color:rgba(255,255,255,.52);
  font-size:12px;
  padding:23px 0
}

.footer .shell {
  display:flex;
  justify-content:space-between;
  gap:16px
}

.footer-credit {
  width:min(1240px,calc(100% - 64px));
  margin:12px auto 0;
  padding-top:12px;
  border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.38);
  font-size:11px
}

.footer-credit a {
  color:rgba(232,210,141,.82)
}

.floating {
  position:fixed;
  right:24px;
  bottom:25px;
  z-index:8;
  display:flex;
  flex-direction:column;
  gap:8px
}

.float-btn {
  width:48px;
  height:48px;
  border:0;
  background:#e3c573;
  color:#153621;
  box-shadow:0 8px 20px rgba(0,0,0,.18);
  font-weight:700
}

.float-btn:last-child {
  background:#174d30;
  color:#fff
}

.modal {
  position:fixed;
  z-index:20;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
  background:rgba(3,14,8,.76);
  backdrop-filter:blur(5px)
}

.modal.open {
  display:flex
}

.modal-card {
  width:min(560px,100%);
  max-height:90vh;
  overflow:auto;
  background:#fff;
  padding:34px;
  position:relative
}

.modal-card h3 {
  font-size:26px;
  margin:0 0 5px
}

.modal-card>p {
  font-size:13px;
  color:var(--muted);
  margin:0 0 23px
}

.close {
  position:absolute;
  right:17px;
  top:14px;
  border:0;
  background:none;
  color:#53675a;
  font-size:27px
}

@media(max-width:850px) {
  .shell {
    width:min(100% - 32px,650px)
  }

  .nav {
    height:70px
  }

  .nav-links,.nav-call {
    display:none
  }

  .menu {
    display:block
  }

  .nav.open {
    position:fixed;
    background:#0a2518
  }

  .nav.open .nav-links {
    display:flex;
    position:absolute;
    top:70px;
    left:0;
    right:0;
    padding:20px 16px;
    background:#0a2518;
    flex-direction:column;
    gap:18px
  }

  .hero {
    min-height:760px
  }

  .hero-copy {
    padding-top:145px
  }

  .hero h1 {
    font-size:58px
  }

  .scroll-mark {
    display:none
  }

  .hero-data {
    grid-template-columns:1fr 1fr;
    margin-top:55px
  }

  .hero-data article {
    margin-right:10px;
    padding-top:13px;
    min-height:65px
  }

  .hero-data strong {
    font-size:22px
  }

  .section-top {
    display:block
  }

  .section-top p {
    margin-top:18px
  }

  .intro-grid,.map-layout,.return-grid,.contact-box {
    grid-template-columns:1fr
  }

  .intro-main h2 {
    font-size:42px
  }

  .photo-stack img {
    height:440px
  }

  .map-nav {
    min-height:auto
  }

  .zone-showcase {
    min-height:470px
  }

  .models-grid {
    grid-template-columns:1fr
  }

  .numbers-grid {
    grid-template-columns:1fr 1fr;
    gap:15px
  }

  .numbers-grid article {
    padding:9px 12px;
    border:0;
    border-left:1px solid rgba(27,67,39,.24)
  }

  .numbers-grid article:first-child {
    padding-left:12px
  }

  .contact-side,.form-side {
    padding:38px 25px
  }

}

@media(max-width:480px) {
  section {
    padding:78px 0
  }

  .hero h1 {
    font-size:48px
  }

  .hero-desc {
    font-size:14px
  }

  .hero-data {
    grid-template-columns:1fr 1fr
  }

  .hero-data strong {
    font-size:18px
  }

  .hero-data span {
    font-size:10px
  }

  .action-row .button {
    width:100%
  }

  .photo-stack {
    padding-right:17px;
    padding-bottom:17px
  }

  .photo-stack img {
    height:350px
  }

  .photo-caption {
    width:190px;
    padding:13px
  }

  .map-nav {
    padding:23px
  }

  .zone-showcase {
    min-height:390px
  }

  .zone-overlay b {
    font-size:30px
  }

  .form-grid,.calc-result {
    grid-template-columns:1fr
  }

  .field.wide,.form-actions {
    grid-column:span 1
  }

  .form-actions {
    align-items:flex-start;
    flex-direction:column
  }

  .footer .shell {
    display:block
  }

  .footer .shell span {
    display:block;
    margin:5px 0
  }

  .footer-credit {
    width:min(100% - 32px,650px);
    margin-top:14px
  }

  .floating {
    right:14px;
    bottom:14px
  }

}

/* 竖版规划图作为独立项目图卡展示，完整保留底部联系方式与二维码。 */ .intro-grid {
  grid-template-columns:.9fr 1.1fr;
  gap:70px
}

.photo-stack {
  width:min(100%,520px);
  margin:0;
  padding:0;
  background:#eef4d9;
  box-shadow:0 18px 44px rgba(22,57,35,.11)
}

.photo-stack:after {
  display:none
}

.photo-stack img {
  display:block;
  width:100%;
  height:auto;
  margin:0;
  object-fit:contain;
  box-shadow:none
}

.photo-caption {
  position:relative;
  bottom:auto;
  left:auto;
  width:100%;
  margin:0;
  padding:19px 22px;
  background:#174c31
}

.photo-caption b {
  font-size:23px
}

@media(max-width:850px) {
  .intro-grid {
    grid-template-columns:1fr
  }

  .photo-stack {
    margin:0 auto
  }

  .photo-stack img {
    width:100%;
    height:auto
  }

}

@media(max-width:480px) {
  .photo-stack {
    width:100%
  }

  .photo-caption {
    width:100%;
    padding:15px 18px
  }

}