:root {
  --ink:#183e30;
  --body:#48584f;
  --muted:#778078;
  --line:#dbdfd6;
  --paper:#f6f5ef;
  --accent:#c6d99c;
  --green-600:#285a40;
}
* {
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:104px;
}
body {
  font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  color:var(--body);
  background:var(--paper);
  line-height:1.8;
}
a {
  color:inherit;
  text-decoration:none;
}
img {
  max-width:100%;
  display:block;
}
ul {
  list-style:none;
}
button {
  font:inherit;
}
a,button,summary {
  -webkit-tap-highlight-color:transparent;
}
a:focus-visible,button:focus-visible,summary:focus-visible {
  outline:3px solid #91a967;
  outline-offset:6px;
}
.container {
  width:min(1280px,88%);
  margin:auto;
}
.site-header {
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(246,245,239,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.nav-wrap {
  height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand {
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand img {
  width:42px;
  height:42px;
  mix-blend-mode:multiply;
}
.brand-name {
  font-size:25px;
  letter-spacing:3px;
  font-weight:700;
  color:var(--ink);
}
.brand-name em {
  font-style:normal;
}
.nav-links {
  display:flex;
  gap:27px;
}
.nav-links a {
  font-size:13px;
  white-space:nowrap;
}
.nav-links a:hover {
  color:#1a7043;
}
.nav-cta {
  background:var(--ink);
  color:white;
  padding:12px 20px;
  font-size:13px;
  white-space:nowrap;
}
.nav-cta svg,.hero-actions svg {
  display:none;
}
.nav-toggle {
  display:none;
  border:0;
  background:none;
  padding:10px;
}
.nav-toggle span {
  width:23px;
  height:2px;
  background:var(--ink);
  display:block;
  margin:5px 0;
}
section {
  padding:104px 0;
}
.hero {
  padding:62px 0 64px;
  overflow:hidden;
}
.hero-grid {
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:60px;
  align-items:center;
}
.hero-badge {
  font-size:10px;
  letter-spacing:2px;
  color:var(--ink);
  display:flex;
  gap:10px;
  align-items:center;
  margin-bottom:30px;
}
.dot {
  width:6px;
  height:6px;
  background:#668443;
  border-radius:50%;
}
.hero h1 {
  font-size:clamp(34px,3.5vw,54px);
  font-weight:500;
  line-height:1.45;
  letter-spacing:-2px;
  color:var(--ink);
  margin-bottom:24px;
}
.hero h1 .grad {
  color:#6a834c;
}
.hero-sub {
  font-size:14px;
  line-height:2;
  color:var(--muted);
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:28px;
  margin:32px 0 44px;
}
.btn-primary,.btn-ghost {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  min-height:49px;
  transition:background .2s;
}
.btn-primary {
  background:var(--ink);
  color:#fff;
  padding:12px 26px;
}
.btn-primary:hover,.nav-cta:hover {
  background:#2b5d46;
}
.btn-ghost {
  border-bottom:1px solid #a6b0a2;
  gap:10px;
}
.btn-ghost:after {
  content:'↗';
}
.hero-stats {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  padding-top:24px;
  gap:16px;
}
.stat-num {
  font-family:Georgia,"Microsoft YaHei",serif;
  font-size:30px;
  line-height:1.3;
  color:var(--ink);
}
.stat-num small {
  font-size:17px;
  margin-left:3px;
}
.stat-card:last-child .stat-num {
  font-family:inherit;
  font-size:22px;
  line-height:1.8;
}
.stat-label {
  font-size:10px;
  color:var(--muted);
  margin-top:5px;
}
.hero-visual {
  position:relative;
  padding:0 0 28px;
}
.image-index {
  position:absolute;
  right:0;
  top:-26px;
  letter-spacing:2px;
  font-size:9px;
  color:var(--muted);
}
.hero-photo {
  overflow:hidden;
  border-radius:160px 8px 8px 8px;
  background:#e6e9d9;
}
.hero-photo img {
  width:100%;
  height:510px;
  object-fit:cover;
}
.image-caption {
  position:absolute;
  bottom:0;
  left:28px;
  right:0;
  padding:21px 25px;
  background:var(--ink);
  color:#fff;
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:center;
  font-size:14px;
}
.image-caption small {
  font-size:8px;
  letter-spacing:1px;
  color:#cad8be;
}
.section-soft {
  background:#eeefe7;
}
.sec-head {
  text-align:left;
  max-width:none;
  margin-bottom:44px;
}
.sec-tag {
  font-size:11px;
  color:#6c7e5b;
  letter-spacing:3px;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:14px;
}
.sec-tag:before {
  content:'';
  width:24px;
  height:1px;
  background:currentColor;
}
.sec-head h2,.wh-content h2 {
  font-size:clamp(27px,3vw,38px);
  font-weight:500;
  letter-spacing:-1px;
  color:var(--ink);
  line-height:1.5;
  margin-bottom:12px;
}
.sec-head p {
  font-size:13px;
  color:var(--muted);
  max-width:650px;
}
.cat-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:36px 26px;
}
.cat-card .ph {
  height:255px;
  overflow:hidden;
  background:#e1e5d9;
  border-radius:3px;
}
.cat-card img {
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s;
}
.cat-card:hover img {
  transform:scale(1.035);
}
.cat-info {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 0;
  border-bottom:1px solid #d3d8ca;
  gap:10px;
}
.cat-info h3 {
  font-size:18px;
  font-weight:500;
  color:var(--ink);
}
.cat-info p {
  font-size:11px;
  color:var(--muted);
  margin-top:3px;
}
.cat-arrow {
  display:none;
}
.adv-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px 50px;
}
.adv-card {
  border-top:1px solid var(--line);
  padding-top:28px;
}
.adv-ic {
  margin-bottom:20px;
}
.adv-ic svg {
  width:28px;
  height:28px;
  stroke:#648351;
}
.adv-card h3 {
  font-size:18px;
  color:var(--ink);
  font-weight:500;
  margin-bottom:12px;
}
.adv-card p {
  font-size:13px;
  color:var(--muted);
  line-height:2;
}
#process {
  background:var(--ink);
  color:#dce5d6;
}
#process .sec-tag {
  color:#b4ca9d;
}
#process h2,#process h3 {
  color:#fff;
}
#process .sec-head p {
  color:#aebcaf;
}
.flow-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.flow-step {
  border-top:1px solid #54705e;
  padding-top:24px;
}
.flow-num {
  font:italic 38px Georgia,serif;
  color:#b6cd96;
  margin-bottom:30px;
}
.flow-num:before {
  content:'0';
}
.flow-step h3 {
  font-size:16px;
  font-weight:500;
  margin-bottom:10px;
}
.flow-step p {
  font-size:12px;
  color:#bdc9bd;
}
.wh-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;
  align-items:center;
}
.wh-photo img {
  height:480px;
  width:100%;
  object-fit:cover;
  border-radius:4px;
}
.wh-content>p {
  font-size:13px;
  color:var(--muted);
  margin:20px 0 26px;
}
.wh-list li {
  display:flex;
  gap:16px;
  border-top:1px solid var(--line);
  padding:15px 0;
}
.wh-list .check {
  color:#708853;
}
.wh-list b {
  font-size:14px;
  color:var(--ink);
  font-weight:500;
}
.wh-list span {
  font-size:12px;
  color:var(--muted);
}
.client-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}
.client-card {
  border-top:1px solid #ccd2c3;
  padding-top:24px;
}
.client-ic {
  background:transparent!important;
  font:italic 24px Georgia,serif;
  color:#879976;
  margin-bottom:24px;
}
.client-card h3 {
  font-size:18px;
  font-weight:500;
  color:var(--ink);
  margin-bottom:10px;
}
.client-card p {
  font-size:12px;
  color:var(--muted);
}
#faq>.container {
  display:grid;
  grid-template-columns:1fr 1.5fr;
  gap:70px;
}
.faq-item {
  border-bottom:1px solid var(--line);
}
.faq-item:first-child {
  border-top:1px solid var(--line);
}
.faq-item summary {
  list-style:none;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:22px;
  padding:23px 0;
  color:var(--ink);
  font-size:14px;
}
.faq-item summary::-webkit-details-marker {
  display:none;
}
.plus {
  font-size:24px;
  font-weight:300;
  transition:transform .2s;
}
.faq-item[open] .plus {
  transform:rotate(45deg);
}
.faq-body {
  font-size:13px;
  color:var(--muted);
  padding:0 28px 24px 0;
}
.cta-section {
  padding:0 0 80px;
}
.cta-box {
  background:#e4e9d7;
  padding:62px;
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:70px;
  align-items:center;
}
.cta-box h2 {
  color:var(--ink);
  font-size:34px;
  font-weight:500;
  line-height:1.6;
  margin-bottom:18px;
}
.cta-box h2 em {
  font-style:normal;
}
.cta-box p {
  font-size:13px;
  max-width:450px;
  color:#6c7963;
}
.cta-contact {
  margin-top:28px;
  display:grid;
  gap:14px;
}
.cta-contact-item {
  display:flex;
  gap:0;
}
.cta-contact-item b {
  font-size:12px;
  font-weight:500;
  color:var(--ink);
}
.cta-contact-item small {
  display:block;
  color:var(--muted);
  font-size:10px;
}
.qr-panel {
  background:var(--paper);
  padding:32px;
  text-align:center;
}
.mini-label {
  font-size:9px;
  letter-spacing:2px;
  color:var(--muted);
  margin-bottom:22px;
}
.qr-panel img {
  margin:0 auto 18px;
}
.qr-panel h3 {
  font-size:20px;
  font-weight:500;
  color:var(--ink);
}
.qr-panel .sub {
  margin:6px auto 18px;
  font-size:12px;
}
.qr-code {
  display:block;
  margin:0 auto 18px;
  width:240px;
  height:240px;
  background:#fff;
  padding:10px;
  box-sizing:border-box;
  mix-blend-mode:normal;
}
.qr-placeholder-note {
  font-size:10px;
  color:var(--muted);
  margin-top:14px;
}
.site-footer {
  background:#163629;
  color:#b1c1b3;
  padding:65px 0 24px;
}
.footer-grid {
  display:grid;
  grid-template-columns:1.3fr .8fr .9fr 1.3fr;
  gap:50px;
  margin-bottom:45px;
}
.footer-brand {
  display:flex;
  align-items:center;
  gap:10px;
  color:white;
  margin-bottom:18px;
}
.footer-brand img {
  width:34px;
  height:34px;
  border-radius:4px;
}
.footer-brand span {
  font-size:22px;
  letter-spacing:3px;
}
.footer-desc {
  font-size:12px;
}
.footer-col h4 {
  font-weight:500;
  font-size:13px;
  color:#fff;
  margin-bottom:20px;
}
.footer-col li {
  font-size:11px;
  margin-bottom:10px;
}
.footer-col a:hover {
  color:#fff;
}
.footer-bottom {
  border-top:1px solid #3a5342;
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  font-size:10px;
}
.icp-badge {
  color:#d3e0d5;
  text-decoration:none;
  transition:color .2s;
}
.icp-badge:hover {
  color:#fff;
  text-decoration:underline;
}
.footer-seo {
  font-size:10px;
  opacity:.5;
  margin-top:14px;
}
.back-top {
  position:fixed;
  bottom:25px;
  right:25px;
  width:44px;
  height:44px;
  background:var(--paper);
  color:var(--ink);
  border:1px solid var(--line);
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s;
}
.back-top.show {
  opacity:1;
  pointer-events:auto;
}
.reveal {
  opacity:1;
}
.reveal.visible {
  animation:rise .55s both;
}
@keyframes rise {
  from {
    transform:translateY(12px);
  }
  to {
    transform:translateY(0);
  }
}
@media(min-width:1600px) {
  .hero {
    padding:90px 0;
  }
  .hero-photo img {
    height:560px;
  }
}
@media(max-width:1100px) {
  .nav-links {
    gap:16px;
  }
  .nav-links a {
    font-size:12px;
  }
  .nav-cta {
    padding:10px 12px;
  }
  .hero-grid {
    gap:32px;
  }
  .hero h1 {
    font-size:37px;
  }
  .hero-photo img {
    height:460px;
  }
  .hero-actions {
    gap:18px;
  }
  .wh-grid {
    gap:40px;
  }
  .cta-box {
    gap:40px;
    padding:40px;
  }
  .footer-grid {
    gap:25px;
  }
  .image-caption small {
    display:none;
  }
}
@media(max-width:900px) {
  .nav-links {
    display:none;
  }
  .nav-toggle {
    display:block;
  }
  .nav-cta {
    margin-left:auto;
  }
  .nav-links.open {
    display:flex;
    position:absolute;
    top:88px;
    left:0;
    right:0;
    flex-direction:column;
    background:var(--paper);
    padding:16px 6%;
    gap:0;
    border-bottom:1px solid var(--line);
  }
  .nav-links a {
    padding:12px;
    font-size:14px;
  }
  .hero-grid {
    grid-template-columns:1fr 1fr;
  }
  .hero h1 {
    font-size:30px;
    letter-spacing:-1px;
  }
  .hero-badge {
    font-size:8px;
    letter-spacing:1px;
  }
  .hero-sub br {
    display:none;
  }
  .hero-photo img {
    height:430px;
  }
  .hero-actions {
    gap:15px;
    flex-wrap:wrap;
  }
  .hero-stats {
    gap:10px;
    grid-template-columns:repeat(2,1fr);
  }
  .cat-card .ph {
    height:200px;
  }
  .cat-grid {
    gap:25px 20px;
  }
  .adv-grid {
    gap:32px;
  }
  .wh-grid {
    grid-template-columns:1fr 1fr;
    gap:30px;
  }
  .wh-photo img {
    height:430px;
  }
  .cta-box h2 {
    font-size:28px;
  }
  #faq>.container {
    gap:35px;
  }
}
@media(max-width:640px) {
  html {
    scroll-padding-top:90px;
  }
  .container {
    width:88%;
  }
  .nav-wrap {
    height:72px;
    gap:10px;
  }
  .brand-name {
    font-size:22px;
  }
  .brand img {
    width:33px;
    height:33px;
  }
  .nav-cta {
    font-size:10px;
    padding:9px 10px;
  }
  .nav-links.open {
    top:72px;
  }
  section {
    padding:66px 0;
  }
  .hero {
    padding:38px 0 44px;
  }
  .hero-grid {
    grid-template-columns:1fr;
    gap:48px;
  }
  .hero-badge {
    margin-bottom:22px;
    font-size:9px;
  }
  .hero h1 {
    font-size:clamp(29px,7.9vw,44px);
    line-height:1.5;
  }
  .hero-sub {
    font-size:12px;
  }
  .hero-actions {
    margin:26px 0 30px;
    gap:24px;
  }
  .btn-primary,.btn-ghost {
    font-size:12px;
  }
  .hero-stats {
    grid-template-columns:repeat(4,1fr);
    gap:9px;
  }
  .stat-num {
    font-size:25px;
  }
  .stat-card:last-child .stat-num {
    font-size:18px;
  }
  .stat-label {
    font-size:9px;
  }
  .hero-photo {
    border-radius:100px 4px 4px 4px;
  }
  .hero-photo img {
    height:350px;
  }
  .image-caption {
    left:20px;
    font-size:13px;
    padding:16px 20px;
  }
  .image-caption small {
    display:block;
    font-size:7px;
  }
  .sec-head {
    margin-bottom:30px;
  }
  .sec-head h2,.wh-content h2 {
    font-size:27px;
  }
  .sec-head p {
    font-size:12px;
  }
  .cat-grid {
    grid-template-columns:repeat(2,1fr);
    gap:24px 16px;
  }
  .cat-card .ph {
    height:160px;
  }
  .cat-info {
    padding:12px 0;
  }
  .cat-info h3 {
    font-size:15px;
  }
  .cat-info p {
    font-size:10px;
    line-height:1.7;
  }
  .adv-grid {
    grid-template-columns:1fr;
    gap:28px;
  }
  .adv-card {
    display:grid;
    grid-template-columns:35px 1fr;
    column-gap:16px;
    padding-top:20px;
  }
  .adv-ic {
    grid-row:span 2;
    margin:3px 0;
  }
  .adv-card h3 {
    font-size:17px;
    margin-bottom:8px;
  }
  .adv-card p {
    font-size:12px;
  }
  .flow-grid {
    grid-template-columns:1fr 1fr;
    gap:30px 22px;
  }
  .flow-num {
    margin-bottom:20px;
  }
  .flow-step h3 {
    font-size:14px;
  }
  .flow-step p {
    font-size:11px;
  }
  .wh-grid {
    grid-template-columns:1fr;
    gap:35px;
  }
  .wh-photo img {
    height:300px;
  }
  .client-grid {
    grid-template-columns:1fr 1fr;
    gap:30px 22px;
  }
  .client-card h3 {
    font-size:16px;
  }
  #faq>.container {
    display:block;
  }
  .faq-item summary {
    font-size:13px;
  }
  .cta-section {
    padding-bottom:50px;
  }
  .cta-box {
    padding:30px 24px;
    grid-template-columns:1fr;
    gap:32px;
  }
  .cta-box h2 {
    font-size:25px;
  }
  .qr-panel {
    padding:26px;
  }
  .footer-grid {
    grid-template-columns:1fr 1fr;
    gap:30px 24px;
  }
  .footer-col:first-child,.footer-col:last-child {
    grid-column:1/-1;
  }
  .footer-bottom {
    font-size:9px;
  }
  .back-top {
    right:14px;
    bottom:14px;
  }
  .nav-toggle {
    padding:8px;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  *,*:before,*:after {
    animation:none!important;
    transition:none!important;
  }
}