*{box-sizing:border-box}
:root{--ink:#111827;--muted:#667085;--paper:#f5f5f2;--white:#fff;--gold:#b99455;--line:rgba(17,24,39,.12);--dark:#121922}
html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7}
a{color:inherit}button,input,textarea{font:inherit}
.site-header,.simple-header{height:76px;padding:0 5vw;display:flex;align-items:center;gap:28px;background:rgba(18,25,34,.96);color:#fff;position:sticky;top:0;z-index:50}
.simple-header{justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-weight:700;font-size:20px}
.brand-mark{width:38px;height:38px;border:1px solid rgba(255,255,255,.4);border-radius:50%;display:grid;place-items:center;color:var(--gold)}
.main-nav{margin-left:auto;display:flex;gap:28px}.main-nav a{text-decoration:none;color:rgba(255,255,255,.82)}
.language-switch,.menu-toggle{border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;border-radius:999px;padding:10px 16px;cursor:pointer}.menu-toggle{display:none}
.language-switch span{margin:0 3px;opacity:.55}.language-switch .active{opacity:1;color:#f4d99a}
.hero{min-height:760px;position:relative;display:grid;place-items:center;overflow:hidden;color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s}.hero-bg.active{opacity:1}
.hero-bg-1{background-image:url("hero-city.jpg"),linear-gradient(135deg,#1b2735,#090a0f)}
.hero-bg-2{background-image:url("future-city.jpg"),linear-gradient(135deg,#334155,#111827)}
.hero-bg-3{background-image:url("lake-city.jpg"),linear-gradient(135deg,#334155,#0f172a)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,12,20,.78),rgba(7,12,20,.35))}
.hero-content{position:relative;z-index:2;max-width:1100px;width:90%;padding:80px 0}.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--gold);font-size:13px;font-weight:700}
.hero h1{font-size:clamp(46px,7vw,88px);line-height:1.05;margin:14px 0 22px;max-width:1000px}.hero h2{font-size:clamp(22px,3vw,36px);font-weight:500;max-width:900px}
.hero-copy{font-size:19px;max-width:760px;color:rgba(255,255,255,.82)}.hero-actions,.result-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 24px;border-radius:999px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-weight:700}
.btn-primary{background:#fff;color:#111827}.inner-page .btn-primary,.submit-button{background:#20242b;color:#fff}
.btn-secondary{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.08)}.inner-page .btn-secondary{border-color:#20242b;color:#20242b;background:transparent}
.btn-ghost{background:transparent;border-color:var(--line)}.btn.small{min-height:40px;padding:8px 18px}
.split-section{display:grid;grid-template-columns:1fr 1fr;min-height:620px;background:#fff}.section-photo{background-size:cover;background-position:center}
.vision-photo{background-image:url("city-vision.jpg"),linear-gradient(135deg,#d9e4ec,#9fb3c8)}.section-panel{padding:9vw 8vw;display:flex;flex-direction:column;justify-content:center}
.section-panel h2,.section-heading h2,.cta-section h2{font-size:clamp(34px,4vw,58px);line-height:1.15;margin:14px 0 24px}
.content-section{padding:110px 6vw}.section-heading{max-width:900px;margin-bottom:48px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line)}.feature-card{padding:42px 30px;min-height:310px;border-right:1px solid var(--line)}
.feature-card:last-child{border-right:0}.feature-card span{color:var(--gold)}.feature-card h3{margin-top:60px;font-size:24px}
.cta-section{padding:120px 6vw;background:#17202b;color:#fff;text-align:center}footer{display:flex;justify-content:space-between;gap:30px;padding:50px 6vw;background:#0f151d;color:#fff}
.inner-page{background:#f3f4f1}.text-link{text-decoration:none;color:rgba(255,255,255,.78)}.form-shell,.wall-shell{padding:70px 20px 110px}
.form-card{max-width:930px;margin:auto;background:#fff;border-radius:18px;padding:50px;box-shadow:0 20px 60px rgba(17,24,39,.08)}
.form-card h1,.wall-heading h1{font-size:clamp(40px,6vw,64px);margin:5px 0}.intro,.wall-heading p{color:var(--muted)}
label{display:block;margin-top:28px;margin-bottom:8px;font-weight:700;font-size:18px}textarea{width:100%;min-height:125px;padding:16px;border:1px solid #d9dde3;border-radius:12px;resize:vertical;background:#fff}
textarea:focus{outline:2px solid rgba(185,148,85,.25);border-color:var(--gold)}.submit-button{margin-top:34px;border:0;padding:16px 34px}
.form-message{min-height:28px;margin-top:18px;color:#177245}.form-message.error,.error{color:#b42318}.wish-result{margin-top:36px;padding:34px;border-radius:14px;background:#f1f2ef}
.wall-shell{max-width:1280px;margin:auto}.wall-heading{max-width:760px;margin-bottom:40px}.wall-status{margin-bottom:24px;color:var(--muted)}
.wish-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.wish-card{background:#fff;border-radius:16px;padding:28px;box-shadow:0 10px 35px rgba(17,24,39,.06)}
.wish-card h2{font-size:24px;line-height:1.35}.wish-date{color:var(--gold);font-size:13px}.reveal{opacity:0;transform:translateY(25px);transition:.7s}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.main-nav{position:absolute;top:76px;left:0;right:0;background:#121922;padding:20px 5vw;display:none;flex-direction:column}.main-nav.open{display:flex}.menu-toggle{display:block;margin-left:auto}.split-section{grid-template-columns:1fr}.section-photo{min-height:380px}.feature-grid,.wish-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.hero{min-height:680px}.hero-actions{flex-direction:column;align-items:stretch}.feature-grid,.wish-grid{grid-template-columns:1fr}.form-card{padding:28px 20px}footer{flex-direction:column}}

/* EchoCity v1.1 cache/layout fix */
.form-card form{display:block!important}
.form-card label{display:block!important;width:100%!important}
.form-card textarea{display:block!important;width:100%!important;min-height:130px!important;margin:0 0 8px!important}
.form-card .submit-button{display:inline-flex!important;margin-top:34px!important}
.wall-heading,.wall-status,.wish-grid{width:100%!important}

/* EchoCity v1.2 — Community Wish Wall */
.wall-page{background:
  radial-gradient(circle at 85% 10%,rgba(185,148,85,.10),transparent 28%),
  #f3f4f1;
}
.wall-shell{max-width:1280px;margin:auto;padding-top:80px}
.wall-heading{margin-bottom:46px}
.wall-heading h1{letter-spacing:-.04em}
.wall-toolbar{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding:22px 0;
  margin-bottom:24px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.wall-toolbar strong{font-size:18px}
.wall-toolbar .wall-status{margin:3px 0 0}
.wall-share-link{
  text-decoration:none;
  font-weight:700;
  color:#8b6a30;
}
.wish-grid{
  display:grid!important;
  grid-template-columns:repeat(3,minmax(0,1fr))!important;
  gap:24px!important;
  align-items:start;
}
.community-card{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(17,24,39,.07);
  border-radius:22px!important;
  padding:0!important;
  background:rgba(255,255,255,.92)!important;
  box-shadow:
    0 12px 30px rgba(17,24,39,.06),
    0 2px 8px rgba(17,24,39,.03)!important;
  transition:
    transform .28s ease,
    box-shadow .28s ease,
    border-color .28s ease;
  animation:wishCardEnter .55s ease both;
}
.community-card:hover{
  transform:translateY(-7px);
  border-color:rgba(185,148,85,.32);
  box-shadow:
    0 24px 54px rgba(17,24,39,.12),
    0 5px 14px rgba(17,24,39,.05)!important;
}
.wish-card-top{
  display:flex;
  align-items:center;
  gap:13px;
  padding:24px 24px 18px;
}
.wish-avatar{
  flex:0 0 46px;
  width:46px;
  height:46px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:18px;
  font-weight:800;
  color:#fff;
  background:
    linear-gradient(145deg,#c6a15d,#7d5d29);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);
}
.wish-meta{display:flex;flex-direction:column;line-height:1.35}
.wish-meta strong{font-size:15px}
.wish-meta span{font-size:13px;color:var(--muted);margin-top:3px}
.wish-card-body{padding:0 24px 24px}
.wish-label{
  margin:0 0 6px;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--gold);
  font-weight:800;
}
.community-card h2{
  margin:0 0 23px;
  font-size:25px!important;
  line-height:1.38!important;
  letter-spacing:-.02em;
}
.wish-detail-list{display:grid;gap:14px}
.wish-detail-list p{
  margin:0;
  padding-top:14px;
  border-top:1px solid rgba(17,24,39,.08);
}
.wish-detail-list strong{
  display:block;
  margin-bottom:4px;
  font-size:13px;
  color:#344054;
}
.wish-detail-list span{
  display:block;
  color:#667085;
  font-size:15px;
  line-height:1.65;
}
.wish-card-footer{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:15px 24px;
  border-top:1px solid rgba(17,24,39,.07);
  background:rgba(247,247,244,.78);
  color:#7b8493;
  font-size:12px;
}
.wish-visible-badge{
  padding:4px 9px;
  border-radius:999px;
  color:#6d552c;
  background:rgba(185,148,85,.14);
}
@keyframes wishCardEnter{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:translateY(0)}
}
@media(max-width:960px){
  .wish-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}
}
@media(max-width:640px){
  .wall-shell{padding:52px 16px 90px}
  .wall-toolbar{align-items:flex-start;flex-direction:column}
  .wish-grid{grid-template-columns:1fr!important;gap:18px!important}
  .community-card:hover{transform:none}
  .wish-card-top{padding:21px 20px 16px}
  .wish-card-body{padding:0 20px 21px}
  .wish-card-footer{padding:14px 20px}
}

/* EchoCity v1.3 Stable — Companion Application */
.wish-card-actions{padding:0 24px 22px}
.companion-button{
  width:100%;min-height:46px;border:1px solid rgba(185,148,85,.45);
  border-radius:999px;background:rgba(185,148,85,.12);color:#6d552c;
  font-weight:800;cursor:pointer;transition:.22s ease
}
.companion-button:hover{transform:translateY(-2px);background:rgba(185,148,85,.22)}
.application-modal[hidden]{display:none}
.application-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px}
.application-backdrop{position:absolute;inset:0;background:rgba(7,12,20,.68);backdrop-filter:blur(8px)}
.application-dialog{
  position:relative;z-index:1;width:min(620px,100%);max-height:calc(100vh - 48px);
  overflow:auto;padding:38px;border-radius:24px;background:#fff;
  box-shadow:0 35px 90px rgba(0,0,0,.28)
}
.application-dialog h2{margin:8px 0 10px;font-size:36px;line-height:1.2}
.selected-wish-text{margin:0 0 24px;padding:14px 16px;border-radius:12px;background:#f3f4f1;color:#475467}
.application-dialog label{display:block;margin-top:20px;margin-bottom:8px}
.application-dialog input,.application-dialog textarea{
  display:block;width:100%;border:1px solid #d9dde3;border-radius:12px;background:#fff;padding:14px 15px
}
.application-dialog textarea{min-height:150px}
.application-submit{margin-top:26px;width:100%;border:0}
.modal-close{
  position:absolute;top:16px;right:18px;width:38px;height:38px;border:0;border-radius:50%;
  background:#f2f3f0;color:#344054;font-size:25px;cursor:pointer
}
.modal-open{overflow:hidden}
@media(max-width:640px){
  .application-modal{padding:12px}
  .application-dialog{padding:28px 20px;border-radius:20px;max-height:calc(100vh - 24px)}
  .application-dialog h2{font-size:30px}
  .wish-card-actions{padding:0 20px 20px}
}