:root{
  --g:#0b3d2e;
  --g2:#164f3d;
  --g3:#245d4b;
  --light:#d3dfd2;
  --paper:#edf2e9;
  --text:#183d33;
  --white:#f5f8f2;
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius:28px;
  --shadow:0 24px 60px rgba(0,30,22,.16);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  color:var(--text);
  background:var(--light);
  font-family:var(--sans);
  font-weight:300;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,p{margin-top:0}
h1,h2{font-family:var(--serif);font-weight:400}

::selection{background:#6c9480;color:#fff}


/* ===== Header ===== */

.site-header{
  position:fixed;
  z-index:50;
  top:0;left:0;right:0;
  height:68px;
  padding:0 4.8vw;
  display:flex;
  align-items:center;
  justify-content:space-between;
  color:var(--text);
  background:rgba(236,242,233,.78);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,.38);
  transition:.3s;
}

.site-header.scrolled{
  background:rgba(228,237,226,.94);
  box-shadow:0 10px 35px rgba(10,50,38,.1);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:220px;
}

.brand-mark{
  width:30px;
  height:22px;
  display:grid;
  place-items:center;
  border-top:1px solid currentColor;
  border-radius:50%;
  font-size:17px;
}

.brand strong{
  display:block;
  font-family:var(--serif);
  font-size:14px;
  letter-spacing:.06em;
}

.brand small{
  display:block;
  margin-top:2px;
  font-size:7px;
  letter-spacing:.14em;
  opacity:.62;
}

.main-nav{
  display:flex;
  align-items:center;
  gap:clamp(18px,2.6vw,38px);
}

.nav-link{
  position:relative;
  font-size:11px;
  color:rgba(20,58,47,.7);
  transition:.25s;
}

.nav-link:after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-9px;
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--g);
  transform:translateX(-50%) scale(0);
  transition:.25s;
}

.nav-link:hover,
.nav-link.active{color:var(--g)}

.nav-link.active:after{
  transform:translateX(-50%) scale(1);
}

.header-button,
.footer-book{
  padding:9px 20px;
  border:1px solid rgba(21,62,49,.45);
  border-radius:999px;
  font-size:10px;
  transition:.3s;
}

.header-button:hover,
.footer-book:hover{
  color:#fff;
  background:var(--g);
  transform:translateY(-2px);
}


/* ===== Common ===== */

.section-screen{
  min-height:100vh;
  position:relative;
}

.section-label{
  display:block;
  margin-bottom:13px;
  font-size:8px;
  letter-spacing:.12em;
  color:rgba(24,61,51,.58);
}

.section-label.light{color:rgba(239,245,237,.68)}

h2{
  margin-bottom:16px;
  font-size:clamp(30px,4vw,52px);
  line-height:1.05;
}

.glass-card{
  background:rgba(237,244,235,.76);
  border:1px solid rgba(255,255,255,.55);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}

.text-button{
  border:1px solid rgba(25,70,55,.34);
  background:transparent;
  border-radius:999px;
  padding:9px 18px;
  color:var(--text);
  font-size:10px;
  transition:.3s;
}

.text-button span{margin-left:18px;transition:.25s}

.text-button:hover{
  background:var(--g);
  border-color:var(--g);
  color:#fff;
}

.text-button:hover span{margin-left:24px}


/* ===== Hero ===== */

.hero{
  height:100vh;
  min-height:680px;
  color:#fff;
  overflow:hidden;
  background:#122d22;
}

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

.hero-bg{
  background:
    linear-gradient(90deg,rgba(2,15,10,.72),rgba(2,15,10,.05) 62%),
    url("banner.jpg")
    center/cover no-repeat;
  transform:scale(1.02);
  animation:heroIn 1.5s ease both;
}

.hero-overlay{
  background:
    linear-gradient(180deg,rgba(0,0,0,.18),transparent 35%,rgba(0,0,0,.52)),
    linear-gradient(90deg,rgba(0,0,0,.2),transparent 70%);
}

.hero-copy{
  position:absolute;
  z-index:2;
  left:4.8vw;
  top:31%;
}

.eyebrow{
  margin-bottom:8px;
  font-size:12px;
  letter-spacing:.18em;
}

.hero h1{
  margin:0;
  font-size:clamp(48px,7vw,92px);
  letter-spacing:.03em;
}

.hero-bottom{
  position:absolute;
  z-index:2;
  left:4.8vw;
  right:4.8vw;
  bottom:38px;
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  font-size:10px;
  line-height:1.9;
}

.hero-bottom p{margin:0;opacity:.88}

.round-arrow{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border:1px solid rgba(255,255,255,.7);
  border-radius:50%;
  transition:.3s;
}

.round-arrow:hover{
  background:#fff;
  color:var(--g);
  transform:translateX(5px);
}


/* ===== About ===== */

.about{
  min-height:720px;
  display:grid;
  place-items:center;
  padding:90px 5.8vw;
  background:#d3dfd2;
  overflow:hidden;
}

.about-card{
  width:min(100%,980px);
  min-height:390px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:50px;
  align-items:center;
  padding:58px 55px;
  border-radius:var(--radius);
  overflow:hidden;
}

.bamboo-art{display:none}

.about-copy,
.about-features{
  position:relative;
  z-index:1;
}

.about-copy{max-width:530px}

.about-copy h2{font-size:38px}

.about-copy p{
  max-width:500px;
  color:rgba(24,61,51,.7);
  font-size:11px;
  line-height:2.05;
}

.about-features{
  display:grid;
  gap:8px;
}

.feature-item{
  display:grid;
  grid-template-columns:43px 1fr;
  align-items:center;
  gap:12px;
  border:0;
  background:transparent;
  color:var(--text);
  text-align:left;
  padding:7px 0;
  transition:.25s;
}

.feature-item:hover{transform:translateX(5px)}

.feature-icon{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border:1px solid rgba(22,64,50,.55);
  border-radius:50%;
}

.feature-item b,
.feature-item small{display:block}

.feature-item b{
  font-size:11px;
  font-weight:400;
}

.feature-item small{
  margin-top:4px;
  font-size:8px;
  color:rgba(24,61,51,.55);
}


/* ===== Scenery ===== */

.scenery{
  min-height:700px;
  padding:85px 5.8vw 80px;
  color:#fff;
  background:
    linear-gradient(180deg,rgba(1,57,40,.94),rgba(3,68,49,.9)),
    url("https://images.unsplash.com/photo-1441974231531-c6227db76b6e?auto=format&fit=crop&w=2200&q=80")
    center/cover fixed;
}

.scenery-heading{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:40px;
  max-width:980px;
  margin:0 auto 55px;
}

.scenery h2{margin-bottom:5px}

.scenery-heading p{
  font-size:10px;
  opacity:.68;
}

.scenery-intro{
  max-width:310px;
  font-size:10px;
  line-height:1.9;
  opacity:.75;
}

.text-button.light{
  color:#fff;
  border-color:rgba(255,255,255,.45);
}

.text-button.light:hover{
  color:var(--g);
  background:#fff;
  border-color:#fff;
}

.season-grid{
  max-width:980px;
  margin:auto;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}

.season-card{
  border:0;
  padding:0;
  background:transparent;
  color:#fff;
  text-align:left;
  transition:.35s;
}

.season-card:hover,
.season-card.active{transform:translateY(-7px)}

.season-image{
  display:block;
  width:100%;
  height:120px;
  margin-bottom:15px;
  border-radius:15px;
  border:1px solid rgba(255,255,255,.2);
  background-position:center;
  background-size:cover;
  transition:.45s;
}

.season-card:hover .season-image{
  box-shadow:0 16px 40px rgba(0,0,0,.25);
  filter:saturate(1.1);
}

.spring{
  background-image:url("https://res.cloudinary.com/z1xhv5nt/image/upload/v1790169973/%E6%98%A5.webpv");
}

.summer{
  background-image:url("https://res.cloudinary.com/z1xhv5nt/image/upload/v1790169972/%E5%A4%8F.webp");
}

.autumn{
  background-image:url("https://res.cloudinary.com/z1xhv5nt/image/upload/v1790169973/%E7%A7%8B.webp");
}

.winter{
  background-image:url("https://res.cloudinary.com/z1xhv5nt/image/upload/v1790169998/%E5%86%AC.webp");
}

.season-card strong{
  display:block;
  font-family:var(--serif);
  font-size:13px;
  font-weight:400;
}

.season-card small{
  display:block;
  margin-top:6px;
  font-size:8px;
  opacity:.55;
}


/* ===== Guide + Notice ===== */

.guide-section{
  padding:0 5.8vw 24px;
  background:
    linear-gradient(rgba(213,224,211,.83),rgba(213,224,211,.83)),
    url("https://res.cloudinary.com/z1xhv5nt/image/upload/v1790170654/bg.webp")
    center/cover;
}

.guide-grid{
  max-width:980px;
  min-height:410px;
  margin:auto;
  display:grid;
  grid-template-columns:1fr 1.25fr;
  gap:16px;
}

.panel{
  min-height:410px;
  position:relative;
  overflow:hidden;
}

.guide-photo{background:#c7cec4}

.guide-photo-bg{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,transparent 35%,rgba(30,48,40,.1)),
    url("https://res.cloudinary.com/z1xhv5nt/image/upload/v1790169972/%E6%B5%8F%E8%A7%88%E6%8C%87%E5%8D%97.webp")
    center/cover;
  filter:saturate(.7);
}

.photo-title{
  position:absolute;
  z-index:1;
  left:30px;
  top:28px;
  display:flex;
  flex-direction:column;
  gap:4px;
  color:#23443a;
}

.photo-title span{
  font-family:var(--serif);
  font-size:30px;
}

.photo-title small{
  font-size:9px;
  opacity:.65;
}

.notice{
  color:#fff;
  background:#1d503e;
}

.notice-bg{
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(17,65,49,.72),rgba(17,65,49,.78)),
    url("https://res.cloudinary.com/z1xhv5nt/image/upload/v1790169971/%E5%85%AC%E5%91%8A.webp")
    center/cover;
}

.notice-content{
  position:relative;
  z-index:1;
  padding:30px 34px;
}

.notice h2{
  font-size:32px;
  margin-bottom:35px;
}

.notice ul{
  margin:0;
  padding:0;
  list-style:none;
}

.notice li{
  display:grid;
  grid-template-columns:1fr auto;
  gap:20px;
  padding:11px 0;
  border-bottom:1px solid rgba(255,255,255,.14);
  font-size:9px;
}

.notice time{opacity:.55}


/* ===== Activities ===== */

.activities{
  padding:24px 5.8vw 80px;
  background:#d5e0d3;
}

.activities-card{
  max-width:980px;
  min-height:260px;
  margin:auto;
  padding:30px 28px;
  display:grid;
  grid-template-columns:1fr 1.05fr .65fr;
  gap:24px;
  align-items:center;
  border-radius:var(--radius);
}

.activity-copy h2{
  margin:0;
  font-size:32px;
}

.activity-subtitle{
  margin:0 0 12px;
  font-family:var(--serif);
  font-size:12px;
  color:rgba(24,61,51,.68);
}

.activity-copy>p:not(.activity-subtitle){
  max-width:260px;
  font-size:9px;
  line-height:1.9;
  color:rgba(24,61,51,.62);
}

.activity-photo{
  height:185px;
  overflow:hidden;
  border-radius:2px;
}

.activity-photo-bg{
  width:100%;
  height:100%;
  background:
    linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,30,20,.18)),
    url("https://res.cloudinary.com/z1xhv5nt/image/upload/v1790169973/%E8%B5%84%E8%AE%AF.webp")
    center/cover;
  transition:.6s;
}

.activity-photo:hover .activity-photo-bg{
  transform:scale(1.06);
}

.event-list{
  display:grid;
  gap:7px;
}

.event-item{
  border:0;
  border-radius:12px;
  background:rgba(255,255,255,.54);
  color:var(--text);
  padding:9px 13px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  text-align:left;
  transition:.25s;
}

.event-item:hover{
  background:rgba(255,255,255,.85);
  transform:translateX(-4px);
}

.event-item span{font-size:9px}

.event-item small{
  display:block;
  margin-top:3px;
  font-size:7px;
  opacity:.45;
}


/* ===== Footer ===== */

.site-footer{
  min-height:160px;
  padding:35px 5.8vw 20px;
  display:grid;
  grid-template-columns:1.1fr 1.5fr 1fr;
  gap:30px;
  align-items:start;
  color:rgba(239,245,237,.85);
  background:#214e42;
}

.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--serif);
  font-size:12px;
}

.footer-nav{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:18px;
  font-size:9px;
  opacity:.75;
}

.footer-nav a:hover{
  opacity:1;
  text-decoration:underline;
  text-underline-offset:5px;
}

.footer-actions{
  display:flex;
  justify-content:flex-end;
  gap:8px;
}

.circle-button{
  width:28px;
  height:28px;
  border:1px solid rgba(255,255,255,.4);
  border-radius:50%;
  background:transparent;
  color:#fff;
  transition:.25s;
}

.circle-button:hover{
  background:#fff;
  color:var(--g);
}

.footer-book{
  color:#fff;
  border-color:rgba(255,255,255,.4);
  margin-left:4px;
}

.footer-bottom{
  grid-column:1/-1;
  padding-top:25px;
  display:flex;
  justify-content:space-between;
  font-size:7px;
  opacity:.45;
}


/* ===== Responsive ===== */

@media(max-width:820px){

  .site-header{
    height:62px;
    padding:0 20px;
  }

  .brand{min-width:auto}
  .main-nav{display:none}

  .header-button{padding:8px 13px}

  .hero-copy{
    left:25px;
    top:34%;
  }

  .hero-bottom{
    left:25px;
    right:25px;
  }

  .about{padding:60px 20px}

  .about-card{
    grid-template-columns:1fr;
    gap:35px;
    padding:42px 28px;
  }

  .about-features{
    grid-template-columns:1fr 1fr;
  }

  .scenery{
    padding:65px 20px;
    background-attachment:scroll;
  }

  .scenery-heading{
    align-items:start;
    flex-direction:column;
  }

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

  .guide-section,
  .activities{
    padding-left:20px;
    padding-right:20px;
  }

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

  .panel{min-height:330px}

  .activities-card{
    grid-template-columns:1fr;
  }

  .activity-photo{height:240px}

  .site-footer{
    grid-template-columns:1fr;
    gap:22px;
  }

  .footer-nav,
  .footer-actions{
    justify-content:flex-start;
  }

  .footer-bottom{
    gap:12px;
    flex-direction:column;
  }
}


@media(max-width:480px){

  .hero{min-height:620px}

  .brand small{display:none}

  .hero h1{font-size:52px}

  .about-features,
  .season-grid{
    grid-template-columns:1fr;
  }

  .season-image{height:155px}

  .notice li{
    grid-template-columns:1fr;
    gap:5px;
  }
}


/* ===== Animation ===== */

@keyframes heroIn{
  from{
    transform:scale(1.08);
    opacity:.7;
  }
  to{
    transform:scale(1.02);
    opacity:1;
  }
}