/* ====== Base ====== */
:root{
  --bg: #f5f9ff;
  --bg2: #ffffff;
  --glass: rgba(255,255,255,0.72);
  --glass-strong: rgba(255,255,255,0.88);
  --card: rgba(255,255,255,0.72);
  --card2: rgba(255,255,255,0.62);
  --border: rgba(17,34,68,0.10);
  --text: #1b2233;
  --muted: #5f6b7a;
  --subtle: #8b96a6;
  --primary: #3a7bfd;
  --primary2: #4bb38a;
  --danger: #d93b3b;
  --shadow: 0 18px 50px rgba(30,60,120,0.12);
  --radius: 20px;
  --container: 1120px;
  --font: "SF Pro Text", "SF Pro Display", "Helvetica Neue", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(800px 400px at 12% 8%, rgba(84,148,255,0.22), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(160,210,255,0.20), transparent 58%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--text);
}

a{ color:inherit; text-decoration:none; }
.container{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}
.muted{ color:var(--muted); }
.is-hidden{ display:none !important; }

/* ====== Nav ====== */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(16px) saturate(140%);
  background: var(--glass);
  border-bottom:1px solid var(--border);
  box-shadow: 0 8px 24px rgba(31,66,118,0.08);
}
.nav__inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:0.3px;
}
.brand__dot{
  width:12px; height:12px; border-radius:50%;
  background: radial-gradient(circle at 30% 30%, #fff, var(--primary));
  box-shadow: 0 0 0 4px rgba(255,138,61,0.2);
}
.navTabs{
  position:relative;
  display:flex;
  gap:6px;
  padding:6px;
  border:1px solid var(--border);
  border-radius:999px;
  background: var(--glass);
  backdrop-filter: blur(14px) saturate(150%);
}
.navTabs a{
  position:relative;
  z-index:2;
  padding:8px 12px;
  border-radius:999px;
  color:var(--muted);
  font-weight:700;
  font-size:14px;
  transition: color .15s ease;
}
.navTabs a.is-active{
  color:var(--text);
}
.navTabs a:hover{
  color:var(--text);
}
.navIndicator{
  position:absolute;
  top:6px;
  bottom:6px;
  left:6px;
  width:80px;
  border-radius:999px;
  background: rgba(255,255,255,0.85);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 12px 24px rgba(58,123,253,0.18);
  backdrop-filter: blur(10px);
  transition: transform .22s ease, width .22s ease;
}
.nav__actions{
  display:flex;
  align-items:center;
  gap:10px;
}

/* ====== Buttons & Inputs ====== */
.btn{
  border:1px solid var(--border);
  border-radius:999px;
  padding:10px 14px;
  background: var(--glass);
  color:var(--text);
  font-weight:700;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, box-shadow .12s ease;
  backdrop-filter: blur(12px);
}
.btn:hover{ transform: translateY(-1px); background: var(--glass-strong); box-shadow: 0 8px 20px rgba(31,66,118,0.12); }
.btn:active{ transform: translateY(0); }

.btn--primary{
  border:none;
  background: linear-gradient(135deg, var(--primary), #8fc2ff);
  box-shadow: 0 12px 26px rgba(58,123,253,0.28);
  color:#ffffff;
}
.btn--primary:hover{ background: linear-gradient(135deg, #2f6cf5, #7db7ff); }
.btn--ghost{
  background: transparent;
}
.input, .textarea{
  width:100%;
  border-radius: 14px;
  border:1px solid var(--border);
  background: var(--glass);
  color: var(--text);
  padding: 12px 12px;
  outline:none;
  backdrop-filter: blur(12px);
}
.textarea{ min-height: 160px; resize: vertical; }
.input:focus, .textarea:focus{
  border-color: rgba(255,138,61,0.55);
  box-shadow: 0 0 0 4px rgba(255,138,61,0.18);
}
.label{ font-size:13px; color: var(--subtle); margin-top:8px; display:block; }
.hint{ margin-top:10px; color: var(--muted); font-size: 13px; }

/* ====== Hero ====== */
.hero{
  padding: 54px 0 32px;
  position: relative;
}
.hero__inner{
  display:grid;
  grid-template-columns: 1fr;
  gap:24px;
  align-items:stretch;
}
.kicker{
  margin:0;
  color:var(--muted);
  font-weight:800;
  letter-spacing:0.12em;
  text-transform:uppercase;
  font-size:12px;
}
.hero__title{
  margin: 10px 0 0;
  font-size: 52px;
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.hero__subtitle{
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 50ch;
}
.hero__cta{
  margin-top: 18px;
  display:flex;
  gap:10px;
  flex-wrap: wrap;
}
.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

/* ====== Home cards ====== */
.homeGrid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap:16px;
  margin-top: 22px;
}
.homeCard{
  padding: 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background: linear-gradient(180deg, var(--card), var(--card2));
}
.homeCard__title{ font-weight: 800; font-size: 18px; }
.homeCard__desc{ color: var(--muted); font-size: 13px; margin-top: 6px; }
.homeCard__icon{
  width: 44px; height: 44px; border-radius: 14px;
  display:grid; place-items:center;
  background: rgba(58,123,253,0.10);
  border:1px solid var(--border);
  font-size: 20px;
}

.contactRow{
  margin-top: 14px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.contactChip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 12px;
  border-radius: 999px;
  border:1px solid var(--border);
  background: var(--glass);
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
  backdrop-filter: blur(12px);
}
.contactChip:hover{
  color: var(--text);
  background: var(--glass-strong);
}

/* ====== Sections ====== */
.section{
  padding: 48px 0;
}
.section__head{
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:flex-end;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.section__head h2{
  margin:0;
  font-size: 26px;
  letter-spacing: -0.01em;
}

.toolbar{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}
.sectionGate{
  margin-top: 12px;
  padding: 18px;
  border-radius: var(--radius);
  border:1px dashed var(--border);
  background: var(--glass);
  backdrop-filter: blur(14px);
}

.sectionPanel{
  margin-top: 18px;
}

/* ====== Travel Grid ====== */
.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:14px;
}
.album{
  overflow:hidden;
  position:relative;
}
.album__cover{
  aspect-ratio: 16/10;
  background: rgba(58,123,253,0.08);
  border-bottom:1px solid var(--border);
  display:grid;
  place-items:center;
  cursor:pointer;
}
.album__noimg{
  color: var(--muted);
  font-weight: 700;
}
.album--simple .album__title h3{ font-size: 18px; }
.album__cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter: saturate(1.02) contrast(1.02);
  transition: transform .3s ease;
}
.album:hover .album__cover img{ transform: scale(1.03); }

.album__body{ padding: 14px; }
.album__title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.album__title h3{
  margin:0;
  font-size: 18px;
  font-weight: 900;
}
.album__meta{ margin-top: 6px; color: var(--subtle); font-size: 12px; }
.album__desc{ margin-top: 8px; color: var(--muted); font-size: 13px; }
.pill{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(58,123,253,0.10);
  border:1px solid var(--border);
  color: var(--muted);
  font-weight:800;
}
.actions{
  margin-top: 10px;
  display:flex;
  gap:10px;
  flex-wrap: wrap;
}
.action{
  border-radius: 12px;
  padding: 8px 10px;
  border:1px solid var(--border);
  background: var(--glass);
  cursor:pointer;
  font-weight: 800;
  color: var(--muted);
  backdrop-filter: blur(12px);
}
.action:hover{ color: var(--text); background: var(--glass-strong); }
.action--danger{ color: var(--danger); }

.commentbox{
  margin-top: 12px;
  display:flex;
  gap:10px;
}
.commentbox input{ flex:1; }
.comments{
  margin-top: 10px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.comment{
  padding: 10px 10px;
  border-radius: 14px;
  border:1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(10px);
}
.comment__meta{
  font-size: 12px;
  color: var(--subtle);
  font-weight: 800;
  display:flex;
  justify-content:space-between;
  gap:10px;
}
.comment__content{
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.6;
  white-space: pre-wrap;
}
.comment__msg{
  margin-top: 8px;
  color: var(--danger);
  font-weight: 800;
  font-size: 12px;
}

/* ====== Post list ====== */
.stack{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.post{
  padding: 16px;
  background: linear-gradient(180deg, var(--card), var(--card2));
}
.post__top{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
  flex-wrap: wrap;
}
.post__title{
  font-size: 18px;
  font-weight: 900;
  margin:0;
}
.post__time{
  color: var(--subtle);
  font-weight: 800;
  font-size: 12px;
}
.post__body{
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.8;
  white-space: pre-wrap;
}
.post__footer{ margin-top: 12px; }

.mediaGrid{
  margin-top: 12px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:10px;
}
.mediaItem{
  border-radius: 14px;
  overflow:hidden;
  border:1px solid var(--border);
  background: var(--glass);
}
.mediaItem img,
.mediaItem video{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}
.mediaItem video{ background:#000; }

/* ====== Empty State ====== */
.empty__card{
  padding: 18px;
  border-radius: var(--radius);
  border:1px dashed var(--border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  text-align:center;
}
.empty__icon{ font-size: 28px; }
.empty__title{ font-weight: 900; margin-top: 8px; }
.empty__text{ color: var(--muted); margin-top: 6px; line-height: 1.7; }

/* ====== Footer ====== */
.footer{
  padding: 26px 0 44px;
}
.footer__inner{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  border-top:1px solid var(--border);
  padding-top: 18px;
  color: var(--muted);
  font-weight: 800;
}
.footer a{ color: var(--muted); }
.footer a:hover{ color: var(--text); }

/* ====== Modal ====== */
.modal{
  position: fixed;
  inset: 0;
  z-index: 80;
  display:grid;
  place-items:center;
  padding: 20px;
}
.modal__backdrop{
  position:absolute;
  inset:0;
  background: rgba(17,34,68,0.25);
}
.modal__panel{
  position:relative;
  width: min(640px, 100%);
  background: var(--glass-strong);
  border:1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 16px;
  backdrop-filter: blur(18px) saturate(140%);
}
.modal__head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
}
.modal__head h3{ margin: 4px 0; font-size: 18px; }
.form{ margin-top: 10px; display:flex; flex-direction:column; gap:10px; }
.form__actions{ display:flex; gap:10px; justify-content:flex-end; }
.form__msg{ color: var(--danger); font-weight: 800; font-size: 12px; }

/* ====== Lightbox ====== */
.lightbox{
  position:fixed;
  inset:0;
  z-index:90;
  display:grid;
  place-items:center;
  padding: 18px;
}
.lightbox__backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,0.6);
}
.lightbox__inner{
  position:relative;
  width: min(980px, 100%);
  border-radius: 22px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.4);
  box-shadow: var(--shadow);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px) saturate(140%);
}
.lightbox__inner img{
  width: 100%;
  max-height: 74vh;
  object-fit: contain;
  display:block;
  background: rgba(0,0,0,0.2);
}
.lightbox__cap{
  padding: 10px 14px;
  color: rgba(0,0,0,0.75);
  font-weight: 800;
  background: rgba(255,255,255,0.8);
  border-top:1px solid rgba(0,0,0,0.08);
}
.lightbox__close{
  position:absolute;
  top: 10px;
  right: 10px;
}
.lightbox__nav{
  position:absolute;
  bottom: 12px;
  left: 12px;
  display:flex;
  gap:10px;
}

/* ====== Responsive ====== */
@media (max-width: 980px){
  .navTabs{ display:none; }
  .hero__title{ font-size: 40px; }
  .grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mediaGrid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .homeGrid{ grid-template-columns: 1fr; }
}
@media (max-width: 640px){
  .grid{ grid-template-columns: 1fr; }
  .mediaGrid{ grid-template-columns: 1fr; }
  .nav__inner{ height:auto; padding:10px 0; }
}