/* 西沙 Emerald Avenue 揀樓板
   概念：售樓處「銷控表／揀樓板」—— 每一格就係一個單位。
   白板底、板藍做主色，單位顏色跟樓書戶型色，方便對照平面圖。 */
:root{
  --bg:#FFFFFF; --panel:#F4F3FA; --panel-2:#E9E7F5; --line:#DFDDEC;
  --ink:#1B2333; --ink-2:#465166; --muted:#677187;
  --accent:#5146C8; --accent-dk:#3D33A6; --accent-lt:#EEECFB;
  --grad:linear-gradient(90deg,#F2A3C4 0%,#B7A6EC 50%,#86C3EC 100%);
  --wa:#1C9E50; --wa-dk:#157A3D;
  --c2:#F2C443; --c3:#79BDE8; --c3S:#8E6BB8; --c3W:#E68AB0; --c4:#D9504A;
  --num:"Manrope","Noto Sans TC",sans-serif;
  --sans:"Noto Sans TC","PingFang HK","Microsoft JhengHei",sans-serif;
  --r:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);font:16.5px/1.75 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1,h2,h3{margin:0;line-height:1.3;font-weight:900;letter-spacing:.005em}
h1{font-size:clamp(32px,4.6vw,52px)}
h2{font-size:clamp(24px,3.2vw,34px)}
h3{font-size:19px;font-weight:700}
p{margin:0}
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
section{padding:80px 0}
.lede{font-size:18px;color:var(--ink-2);max-width:38em;margin-top:12px}
.small{font-size:14px;color:var(--muted)}
.num{font-family:var(--num);font-weight:800;font-variant-numeric:tabular-nums}
.tint{background:var(--panel)}

/* 按鈕 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font:700 15.5px/1 var(--sans);text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s}
.btn:hover{border-color:var(--ink-2)}
.btn svg{width:19px;height:19px;flex-shrink:0}
.btn-wa{background:var(--wa);border-color:var(--wa);color:#fff}
.btn-wa:hover{background:var(--wa-dk);border-color:var(--wa-dk)}
.btn-blue{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-blue:hover{background:var(--accent-dk);border-color:var(--accent-dk)}

/* 頂部 */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand-mark{display:grid;grid-template-columns:repeat(3,7px);gap:2px}
.brand-mark i{width:7px;height:7px;border-radius:2px}
.brand b{font-size:17px;font-weight:900;line-height:1.1}
.brand small{display:block;font-size:12px;color:var(--muted);font-weight:400}
.menu{display:flex;align-items:center;gap:2px}
.menu a{color:var(--ink-2);text-decoration:none;font-size:15px;padding:8px 12px;border-radius:999px}
.menu a:hover{background:var(--panel)}
.menu a[aria-current="page"]{color:var(--accent);background:var(--accent-lt);font-weight:700}
.menu .btn{min-height:40px;padding:0 16px;margin-left:8px;font-size:14.5px}
.burger{display:none;width:44px;height:44px;border-radius:999px;border:1.5px solid var(--line);background:#fff;cursor:pointer}

/* 狀態條 */
.status{background:var(--ink);color:#fff;font-size:14.5px}
.status .wrap{display:flex;align-items:center;justify-content:center;gap:12px;min-height:42px;flex-wrap:wrap;text-align:center}
.status a{color:#fff;font-weight:700}
.dot{width:8px;height:8px;border-radius:50%;background:#F2C443;box-shadow:0 0 0 0 rgba(242,196,67,.7);animation:beacon 2s infinite}
@keyframes beacon{70%{box-shadow:0 0 0 8px rgba(242,196,67,0)}100%{box-shadow:0 0 0 0 rgba(242,196,67,0)}}

/* ===== 首頁 Hero：揀樓板 ===== */
.hero{padding:56px 0 64px;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:start}
.hero-copy{position:sticky;top:96px}
.hero-copy h1 small{display:block;font-size:.46em;color:var(--ink-2);font-weight:700;margin-top:8px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:22px;font-size:14px;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:14px;height:14px;border-radius:4px}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font:700 14px/1 var(--sans);color:var(--ink-2);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

/* 揀樓板 */
.board-wrap{background:var(--panel);border-radius:16px;padding:18px}
.board-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.tower-tabs{display:none}
.board{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.tower h3{font-size:15px;margin:0 0 8px;display:flex;justify-content:space-between;align-items:baseline}
.tower h3 small{font-weight:400;color:var(--muted);font-size:12.5px}
.cols,.row{display:grid;grid-template-columns:34px repeat(9,minmax(0,1fr));gap:3px}
.cols{margin-bottom:4px}
.cols span{font:800 11px/1 var(--num);color:var(--muted);text-align:center}
.row{margin-bottom:3px;opacity:0;animation:rise .35s ease-out forwards;animation-delay:calc(var(--i) * 28ms)}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.fl{font:800 11px/16px var(--num);color:var(--muted);text-align:right;padding-right:4px}
.cell{height:16px;border-radius:3px;border:none;padding:0;cursor:pointer;transition:opacity .2s,transform .12s}
.cell:hover{transform:scale(1.18);position:relative;z-index:2}
.cell.x{visibility:hidden;cursor:default}
.cell.off{opacity:.13}
.cell.sel{outline:2.5px solid var(--ink);outline-offset:1px}
.cell.feat::after{content:"";display:block;width:5px;height:5px;margin:auto;border-radius:50%;background:#fff}
.t-2{background:var(--c2)}.t-3{background:var(--c3)}.t-3S{background:var(--c3S)}.t-3W{background:var(--c3W)}.t-4{background:var(--c4)}
.board-note{margin-top:12px;font-size:13px;color:var(--muted)}

/* 單位詳情 */
.drawer{position:fixed;right:20px;bottom:20px;z-index:60;width:min(380px,calc(100% - 32px));background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 44px rgba(27,35,51,.18);padding:22px;transform:translateY(20px);opacity:0;pointer-events:none;transition:transform .25s,opacity .25s}
.drawer.open{transform:none;opacity:1;pointer-events:auto}
.drawer .close{position:absolute;right:12px;top:12px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px}
.drawer .tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--ink-2)}
.drawer .tag i{width:12px;height:12px;border-radius:3px}
.drawer h3{font-size:24px;margin-top:6px}
.drawer dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:16px 0 18px}
.drawer dt{color:var(--muted);font-size:14px}
.drawer dd{margin:0;font-weight:700;text-align:right}
.drawer .btn{width:100%}
.drawer .btn+.btn{margin-top:8px}

/* 數字卡 */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:32px}
.stat{background:#fff;padding:22px}
.stat b{display:block;font:800 38px/1.1 var(--num)}
.stat span{font-size:14px;color:var(--muted)}

/* 戶型分布條 */
.mix{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.mixrow{display:grid;grid-template-columns:200px 1fr 120px;gap:14px;align-items:center}
.mixrow .bar{height:14px;border-radius:999px;background:var(--panel-2);overflow:hidden}
.mixrow .bar i{display:block;height:100%;border-radius:999px;width:0;transition:width 1s cubic-bezier(.2,.7,.2,1)}
.in .mixrow .bar i{width:var(--w)}
.mixrow b{font-family:var(--num)}

/* 一般內容 */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center}
.photo{border-radius:14px;overflow:hidden;background:var(--panel)}
.photo img{width:100%}
figure{margin:0}
figcaption{font-size:13.5px;color:var(--muted);margin-top:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}
.zoom{border:none;padding:0;background:none;cursor:zoom-in;text-align:left;font:inherit;color:inherit;width:100%}
.zoom img{border-radius:12px;transition:filter .2s}
.zoom:hover img{filter:brightness(1.05)}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin-top:24px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;white-space:nowrap}
th{background:var(--panel);font-size:13px;color:var(--ink-2);font-weight:700;position:sticky;top:0}
tr:last-child td{border-bottom:none}
td .sw{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:8px;vertical-align:middle}
td.n{font-family:var(--num);font-weight:800;font-variant-numeric:tabular-nums}
td a.ask{font-weight:700;text-decoration:none;color:var(--wa)}

/* 揀單位頁篩選 */
.filters{display:grid;grid-template-columns:repeat(4,auto) 1fr;gap:18px 26px;align-items:end;background:var(--panel);border-radius:14px;padding:18px 20px;margin-top:24px}
.filters label,.filters .fg{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:700;color:var(--ink-2)}
.filters select,.filters input{height:42px;border:1.5px solid var(--line);border-radius:10px;padding:0 12px;font:15px var(--sans);background:#fff}
.filters input{width:110px}
.count{font-size:15px;margin-top:16px;color:var(--ink-2)}
.count b{font-family:var(--num);font-size:20px;color:var(--ink)}
.scroll{max-height:640px;overflow:auto}

/* 景觀 */
.views{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.view .zoom img{width:100%}
.view h3{margin-top:12px}
.view p{color:var(--ink-2);font-size:15px}

/* 交通 */
.routes td:first-child{font-family:var(--num);font-weight:800;color:var(--accent);width:90px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.duo div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.duo b{display:block;font:800 44px/1 var(--num);color:var(--accent)}
.duo b small{font:700 16px var(--sans);color:var(--ink)}

/* 價單／計數機 */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;margin-top:28px;align-items:start}
.field{margin-bottom:20px}
.field label{display:flex;justify-content:space-between;font-weight:700;margin-bottom:6px}
.field output{font-family:var(--num);font-weight:800;color:var(--accent)}
.field input[type=number]{width:100%;height:50px;border:1.5px solid var(--line);border-radius:10px;padding:0 14px;font:800 20px var(--num)}
.field input[type=range]{width:100%;accent-color:var(--accent)}
.result{background:var(--ink);color:#fff;border-radius:16px;padding:26px}
.result .big{font:800 52px/1 var(--num);margin:6px 0 16px}
.result dl{display:grid;grid-template-columns:1fr auto;gap:8px 16px;margin:0;border-top:1px solid rgba(255,255,255,.18);padding-top:14px}
.result dt{color:#B8C1D1}.result dd{margin:0;font-family:var(--num);font-weight:800;text-align:right}
.steps{list-style:none;margin:28px 0 0;padding:0;counter-reset:s;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--accent-lt);color:var(--accent);font:800 15px var(--num);margin-bottom:10px}
.steps b{display:block}
.steps span{font-size:14px;color:var(--ink-2)}

/* CTA */
.cta{background:var(--accent);color:#fff;padding:56px 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap}
.cta h2{color:#fff}.cta p{color:#D4DEFA;margin-top:6px}
.cta .btn:not(.btn-wa){background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta .btn-wa{border-color:#fff}

/* FAQ */
.faq{margin-top:22px;max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font-weight:700;font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:12px;font:400 26px var(--num);color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:18px;color:var(--ink-2)}

/* 子頁頭 */
.page-head{padding:48px 0 36px;border-bottom:1px solid var(--line)}
.crumbs{list-style:none;display:flex;gap:8px;margin:0 0 10px;padding:0;font-size:14px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs li+li::before{content:"›";margin-right:8px}

/* 聯絡 */
.contact{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;align-items:start}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:700;font-size:14.5px}
.form input,.form select{height:48px;border:1.5px solid var(--line);border-radius:10px;padding:0 12px;font:15.5px var(--sans);background:#fff}
.form .full{grid-column:1/-1}
.error{color:#C0362C;font-weight:700;min-height:22px}
.done{background:#E7F6EC;border-radius:14px;padding:22px;margin-top:20px}
.box{background:var(--panel);border-radius:14px;padding:22px}
.box+.box{margin-top:16px}
.qr{width:180px;height:180px;image-rendering:pixelated;background:#fff;border-radius:10px;margin-top:10px}

/* 頁尾 */
footer{background:var(--panel);padding:48px 0 36px;font-size:15px;margin-top:0}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.fgrid ul{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.fgrid a{color:var(--ink-2);text-decoration:none}.fgrid a:hover{color:var(--accent)}
.fqr{display:flex;gap:12px;align-items:center;margin-top:12px}
.fqr img{width:84px;height:84px;image-rendering:pixelated;background:#fff;border-radius:8px}
.disc{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;line-height:1.85;color:var(--muted)}

/* 浮動掣 */
.floats{position:fixed;left:16px;bottom:16px;z-index:40;display:flex;gap:10px}
.floats a,.floats button{width:52px;height:52px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 18px rgba(27,35,51,.22)}
.floats svg{width:25px;height:25px}
.f-wa{background:var(--wa);color:#fff}.f-wc{background:#fff;color:var(--ink)}

/* 彈窗 */
.modal{position:fixed;inset:0;z-index:100;background:rgba(27,35,51,.82);display:flex;align-items:center;justify-content:center;padding:18px}
.modal[hidden]{display:none}
.modal .panel{background:#fff;border-radius:16px;padding:26px;text-align:center}
.modal .panel .qr{width:220px;height:220px;margin:12px auto}
.lbfig{margin:0;max-width:min(1400px,94vw)}
.lbfig img{max-height:82vh;width:auto;margin:auto;border-radius:8px;background:#fff}
.lbfig figcaption{color:#fff;text-align:center}
.lbbtn{position:absolute;width:48px;height:48px;border-radius:50%;border:none;background:#fff;color:var(--ink);font-size:22px;cursor:pointer}
.lb-close{top:16px;right:16px}.lb-prev{left:16px;top:50%}.lb-next{right:16px;top:50%}

[hidden]{display:none!important}

@media (max-width:1020px){
  .hero .wrap,.split,.calc,.contact{grid-template-columns:1fr}
  .hero-copy{position:static}
  .stats{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .filters{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:16px}
  section{padding:56px 0}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .menu{position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 20px 18px;display:none}
  .menu.open{display:flex}
  .menu .btn{margin:8px 0 0}
  .tower-tabs{display:flex;gap:8px}
  .board{grid-template-columns:1fr}
  .board .tower[data-hide]{display:none}
  .cell{height:18px}
  .mixrow{grid-template-columns:110px 1fr 70px;font-size:14px}
  .grid2,.grid3,.views,.duo,.form,.fgrid{grid-template-columns:1fr}
  .filters{grid-template-columns:1fr 1fr;padding:16px}
  .filters select,.filters input{width:100%;min-width:0}
  .filters .fg{grid-column:1/-1}
  .filters .fg span{display:grid!important;grid-template-columns:1fr auto 1fr}
  .steps{grid-template-columns:1fr}
  .drawer{right:16px;left:16px;bottom:16px;width:auto}
  .floats{left:auto;right:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .row{opacity:1}
  html{scroll-behavior:auto}
}

/* 參考樓書色調：粉紅→淡紫→天藍漸變，只作點綴 */
.status{border-bottom:3px solid transparent;border-image:var(--grad) 1}
.cta{background:var(--accent-dk);position:relative}
.cta::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad)}
.cta p{color:#DCD8F7}
.board-wrap{background:linear-gradient(180deg,#F6F4FC,#EFF4FB)}
.verified{display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:7px 14px;border-radius:999px;background:var(--accent-lt);color:var(--accent-dk);font-size:13.5px;font-weight:700}
.verified::before{content:"✓";display:flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px}
.page-head{background:linear-gradient(180deg,#FAF8FE,#FFFFFF)}