/* ============ 設計系統 ============
   概念：「一條海岸，五條大道」
   SIERRA SEA 每期以一條 Avenue 命名 —— Aqua（海）、Coral（珊瑚）、Daffodil（水仙）。
   底色取自西沙灣本身：深海藍 + 沙灘米色；每期用自己嘅顏色做記認。
*/
:root{
  --sea:#0F2E38; --sea-2:#163C48; --deep:#0A2129;
  --sand:#F5F0E6; --sand-2:#EBE3D3; --line:#DDD3C1;
  --ink:#172A30; --body:#3A4A4F; --muted:#56646A;

  /* 期數顏色 */
  --aqua:#3E8E97;      /* 1A(2) Aqua Avenue */
  --lagoon:#2F6F8F;    /* 1B */
  --coral:#D2694F;     /* 2A Coral Avenue */
  --daffodil:#D9A72E;  /* 2B Daffodil Avenue */
  --pine:#3F6B4E;      /* 2C(2) 今期 */

  --brass:#D9B77E;
  --serif:"Noto Serif TC",serif; --latin:"Cormorant Garamond",Georgia,serif;
  --sans:"Noto Sans TC","PingFang HK","Microsoft JhengHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--sans);background:var(--sand);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--aqua)}
:focus-visible{outline:3px solid var(--brass);outline-offset:3px}
h1,h2,h3{font-family:var(--serif);margin:0;color:var(--sea);line-height:1.3}
h2{font-size:clamp(28px,4vw,44px)}
p{margin:0}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto}
section{padding:104px 0;position:relative}
.kicker{font-size:14px;letter-spacing:.12em;color:var(--aqua);font-weight:700;margin-bottom:12px}
.lead{font-size:17px;line-height:1.9;color:var(--body);max-width:62ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 28px;border-radius:999px;font-weight:700;font-size:16px;text-decoration:none;border:none;cursor:pointer;font-family:inherit;transition:transform .2s,background .2s}
.btn:active{transform:scale(.97)}
.btn-brass{background:var(--brass);color:var(--sea)}
.btn-brass:hover{background:#E6C792}
.btn-ghost{border:1px solid #8FB3B5;color:var(--sand)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-sea{background:var(--sea);color:var(--sand)}
.btn-pine{background:var(--pine);color:#fff}

/* 相片層：有相就顯示相，冇相就顯示插畫 */
.photo{background-size:cover;background-position:center;background-repeat:no-repeat}

/* ============ NAV ============ */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.nav.solid{background:rgba(15,46,56,.96);box-shadow:0 1px 0 #24505A;backdrop-filter:blur(8px)}
.nav .wrap{height:80px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:baseline;gap:12px;text-decoration:none}
.logo b{font-family:var(--latin);font-size:28px;font-weight:600;letter-spacing:.22em;color:var(--sand)}
.logo span{font-size:14px;color:var(--brass);letter-spacing:.1em}
.menu{display:flex;align-items:center;gap:26px}
.menu a{color:#DCE4E3;text-decoration:none;font-size:15px;position:relative}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--brass);transition:right .25s}
.menu a:not(.btn):hover::after,.menu a.active::after{right:0}
.menu .btn{color:var(--sea);min-height:44px;padding:0 22px}
.burger{display:none;background:none;border:1px solid #3A6570;color:var(--sand);width:44px;height:44px;border-radius:10px;cursor:pointer}

/* ============ HERO ============ */
.hero{min-height:100vh;min-height:100svh;padding:0;background:linear-gradient(#0F2E38,#1C4A57 70%);color:var(--sand);overflow:hidden;display:flex;align-items:flex-start}
.hero-scene{position:absolute;inset:auto 0 0 0;height:62%;width:100%}
.hero-scene svg{width:100%;height:100%}
.hero-photo{position:absolute;inset:0;background-image:url(../images/photos/hero.jpg);opacity:.55}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,33,41,.85),rgba(10,33,41,.2) 70%)}
.hero .wrap{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;padding:130px 0 160px}
.hero .wrap{align-items:flex-start}
.hero-text{max-width:720px;display:flex;flex-direction:column;gap:24px}
.hero .kicker{color:var(--brass);margin:0}
.hero h1{font-size:clamp(44px,7vw,84px);color:var(--sand);letter-spacing:.02em}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line span{display:block;transform:translateY(105%);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.hero h1 .line:nth-child(2) span{animation-delay:.15s}
.hero-sub{font-size:clamp(17px,2vw,20px);color:#C9D6D6;opacity:0;animation:fade .8s .6s forwards}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;opacity:0;animation:fade .8s .8s forwards}
.status{width:320px;max-width:100%;background:rgba(245,240,230,.96);color:var(--ink);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:12px;opacity:0;animation:fade .8s 1s forwards}
.status strong{font-family:var(--serif);font-size:26px;color:var(--sea)}
.status p{font-size:15px;color:#4A575B}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center}
.countdown div{background:var(--sand-2);border-radius:10px;padding:8px 0}
.countdown b{display:block;font-family:var(--latin);font-size:28px;color:var(--pine);line-height:1}
.countdown small{font-size:12px;color:var(--muted)}
.scroll-cue{position:absolute;z-index:2;left:50%;bottom:28px;translate:-50% 0;color:#C9D6D6;font-size:13px;display:flex;flex-direction:column;align-items:center;gap:6px;text-decoration:none}
.scroll-cue i{width:1px;height:36px;background:linear-gradient(#C9D6D6,transparent);animation:cue 1.8s infinite}

/* 插畫動畫 */
.wave{animation:drift 9s linear infinite}
.wave.w2{animation-duration:13s;animation-direction:reverse}
.wave.w3{animation-duration:17s}
.sun{animation:sunrise 2.2s .2s cubic-bezier(.2,.7,.2,1) both}
.tower{transform-box:fill-box;transform-origin:bottom;animation:grow 1.2s cubic-bezier(.2,.7,.2,1) both}
.hill-back{animation:parallax 1.6s cubic-bezier(.2,.7,.2,1) both}
.bird{animation:fly 14s linear infinite}
.win{animation:twinkle 4s infinite}

@keyframes rise{to{transform:none}}
@keyframes fade{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes drift{to{transform:translateX(-240px)}}
@keyframes sunrise{from{transform:translateY(80px);opacity:0}to{transform:none;opacity:.9}}
@keyframes grow{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes parallax{from{transform:translateY(40px)}to{transform:none}}
@keyframes fly{from{transform:translate(-120px,0)}to{transform:translate(1560px,-40px)}}
@keyframes twinkle{0%,100%{opacity:.35}50%{opacity:1}}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============ FACTS ============ */
.facts{background:var(--sand-2);padding:52px 0;border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}
.fact b{display:block;font-family:var(--latin);font-size:50px;font-weight:600;color:var(--sea);line-height:1.05}
.fact span{font-size:15px;color:var(--muted)}

/* ============ 系列概念 / 總綱圖 ============ */
.concept-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;margin-bottom:48px}
.concept{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:start}
.masterplan{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px}
.masterplan svg{width:100%;height:auto}
.mp-phase{cursor:pointer;transition:opacity .3s,transform .3s;transform-box:fill-box;transform-origin:center}
.mp-phase path,.mp-phase rect{transition:fill-opacity .3s}
.masterplan.has-pick .mp-phase{opacity:.35}
.masterplan.has-pick .mp-phase.on{opacity:1}
.mp-phase.on{transform:scale(1.04)}
.mp-caption{font-size:12px;color:var(--muted);padding:8px 6px 0}
.pulse{animation:pulse 2s infinite;transform-box:fill-box;transform-origin:center}
@keyframes pulse{0%{transform:scale(1);opacity:.8}100%{transform:scale(2.4);opacity:0}}

.phases{display:flex;flex-direction:column;gap:10px}
.phase{all:unset;box-sizing:border-box;cursor:pointer;display:grid;grid-template-columns:8px 1fr auto;gap:16px;align-items:center;padding:16px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);transition:border-color .25s,box-shadow .25s,transform .25s}
.phase:hover{transform:translateX(4px)}
.phase .bar{height:100%;min-height:44px;border-radius:4px;background:var(--c)}
.phase h3{font-size:18px}
.phase h3 small{font-family:var(--sans);font-size:13px;font-weight:400;color:var(--muted);margin-left:8px}
.phase p{font-size:14px;color:var(--body)}
.phase .tag{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--sand-2);color:var(--muted);white-space:nowrap}
.phase.now .tag{background:var(--pine);color:#fff}
.phase[aria-pressed="true"]{border-color:var(--c);box-shadow:0 0 0 2px var(--c) inset}
.phase-detail{margin-top:6px;font-size:14px;color:var(--body);display:none}
.phase[aria-pressed="true"] .phase-detail{display:block}

/* ============ OVERVIEW ============ */
.overview{background:#fff}
.two{display:flex;gap:72px;align-items:flex-start}
.grow{flex:1;display:flex;flex-direction:column;gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px}
.market{width:420px;flex-shrink:0;display:flex;flex-direction:column;gap:22px;background:var(--sand)}
.market b{display:block;font-size:30px;color:var(--sea)}
.market span{font-size:14px;color:var(--muted)}
.source{font-size:12px;color:var(--muted)}

/* ============ UNITS ============ */
.units-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.tabs{display:flex;gap:6px;background:var(--sand-2);padding:6px;border-radius:999px;position:relative}
.tab-ind{position:absolute;top:6px;bottom:6px;border-radius:999px;background:var(--sea);transition:left .35s cubic-bezier(.2,.7,.2,1),width .35s}
.tab{position:relative;z-index:1;min-height:44px;padding:0 26px;border-radius:999px;border:none;background:none;color:var(--sea);font-size:16px;font-family:inherit;cursor:pointer;transition:color .3s}
.tab[aria-selected="true"]{color:var(--sand);font-weight:700}
.unit{display:flex;gap:48px}
.plan{width:540px;flex-shrink:0;aspect-ratio:4/3;border-radius:18px;background:#F7F3EC;border:2px dashed #B9AE99;position:relative;overflow:hidden}
.plan svg{width:100%;height:100%}
.plan .photo{position:absolute;inset:0}
.plan-note{position:absolute;left:14px;bottom:12px;font-size:12px;color:#6E6454;background:rgba(247,243,236,.9);padding:4px 10px;border-radius:999px}
.room{fill:#fff;stroke:#8C7F68;stroke-width:2}
.room-l{font-size:13px;fill:#6E6454;font-family:var(--sans)}
.unit-info{flex:1;display:flex;flex-direction:column;gap:20px}
.swap{transition:opacity .25s,transform .25s}
.swap.out{opacity:0;transform:translateY(8px)}
.unit-info h3{font-size:32px}
.unit-info p{font-size:17px;line-height:1.8;color:var(--body)}
.specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.spec{background:var(--sand);border-radius:12px;padding:16px 18px}
.spec span{display:block;font-size:13px;color:var(--muted)}
.spec b{font-size:18px;color:var(--sea)}

/* ============ CLUB ============ */
.club{background:var(--sea);color:var(--sand)}
.club h2{color:var(--sand)}
.club .kicker{color:var(--brass)}
.club .lead{color:#C9D6D6}
.zones{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-auto-rows:220px;gap:16px;margin-top:44px}
.zone{position:relative;border-radius:18px;overflow:hidden;background:#163C48}
.zone:nth-child(1){grid-column:span 3;grid-row:span 2}
.zone:nth-child(2),.zone:nth-child(3){grid-column:span 3}
.zone:nth-child(4),.zone:nth-child(5){grid-column:span 3}
.zone .photo{position:absolute;inset:0;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.zone:hover .photo{transform:scale(1.06)}
.zone figcaption{position:absolute;inset:auto 0 0 0;padding:22px;background:linear-gradient(transparent,rgba(10,33,41,.88));display:flex;flex-direction:column;gap:2px}
.zone figcaption b{font-family:var(--latin);font-size:26px;font-weight:600;letter-spacing:.04em}
.zone figcaption span{font-size:14px;color:#D5E0E0}
.zone{margin:0}
.facilities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:16px}
.fac{border:1px solid #2E5A66;border-radius:14px;padding:22px;display:flex;gap:14px;align-items:flex-start}
.fac svg{width:30px;height:30px;flex-shrink:0;fill:none;stroke:var(--brass);stroke-width:1.6}
.fac b{display:block;font-size:17px}
.fac span{font-size:14px;color:#B9C9CB}

/* ============ GO PARK ============ */
.gp-img{width:460px;flex-shrink:0;aspect-ratio:4/3;border-radius:20px;overflow:hidden;position:relative}
.gp-img .photo{position:absolute;inset:0}
.anchors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.anchor{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.anchor span{display:block;font-size:13px;color:var(--muted)}
.anchor b{font-size:16px;color:var(--sea)}
.perk{margin-top:8px;background:var(--brass);color:var(--sea);border-radius:18px;padding:26px 28px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center}
.perk-card{width:110px;aspect-ratio:1.6;border-radius:10px;background:var(--sea);color:var(--brass);font-family:var(--latin);font-weight:600;display:flex;align-items:center;justify-content:center;font-size:18px;letter-spacing:.1em;transform:rotate(-6deg);box-shadow:0 8px 18px rgba(15,46,56,.25);animation:float 4s ease-in-out infinite}
@keyframes float{50%{transform:rotate(-3deg) translateY(-6px)}}
.perk strong{font-family:var(--serif);font-size:22px;display:block}
.perk p{font-size:15px}

/* ============ TRANSPORT ============ */
.transport{background:var(--sand-2)}
.route-map{width:560px;flex-shrink:0;background:#fff;border-radius:20px;border:1px solid var(--line);padding:10px}
.route-map svg{width:100%;height:auto}
.draw{stroke-dasharray:420;stroke-dashoffset:420;transition:stroke-dashoffset 1.8s cubic-bezier(.2,.7,.2,1)}
.in .draw{stroke-dashoffset:0}
.in .draw.d2{transition-delay:.4s}
.bus{offset-rotate:0deg;animation:move 6s linear infinite}
.routes{flex:1;display:flex;flex-direction:column;gap:12px}
.route{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;display:flex;gap:18px;align-items:center}
.route b{width:64px;flex-shrink:0;font-size:20px;color:var(--aqua)}
.route span{color:var(--body);font-size:15px}
.note{font-size:13px;color:var(--muted)}

/* ============ 按揭計算機 ============ */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start}
.calc-form{display:grid;gap:18px}
.field label{display:flex;justify-content:space-between;font-size:14px;font-weight:700;color:var(--body);margin-bottom:8px}
.field output{color:var(--sea)}
.field input[type=number]{width:100%;height:50px;padding:0 16px;border-radius:10px;border:1px solid #B9AE99;background:#fff;font-size:18px;font-family:inherit}
.field input[type=range]{width:100%;accent-color:var(--pine);height:28px}
.result{background:var(--sea);color:var(--sand);border-radius:20px;padding:34px;display:flex;flex-direction:column;gap:18px}
.result .big{font-family:var(--latin);font-size:56px;font-weight:600;color:var(--brass);line-height:1}
.result dl{display:grid;grid-template-columns:1fr auto;gap:10px 16px;margin:0;font-size:15px}
.result dt{color:#B9C9CB}.result dd{margin:0;font-weight:700;text-align:right}
.donut{width:120px;height:120px}
.result small{font-size:12px;color:#9FB6B8}

/* ============ TIMELINE ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:40px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:9px;height:2px;background:var(--line)}
.timeline .progress{position:absolute;left:0;top:9px;height:2px;background:var(--pine);width:0;transition:width 1.6s cubic-bezier(.2,.7,.2,1)}
.in .timeline .progress{width:43%}
.step{position:relative;padding-top:34px}
.step::before{content:"";position:absolute;top:0;left:0;width:20px;height:20px;border-radius:50%;background:var(--pine);box-shadow:0 0 0 4px var(--sand)}
.step.todo::before{background:var(--sand);border:2px dashed #8B9A9C;box-sizing:border-box}
.step em{font-style:normal;font-size:14px;font-weight:700;color:var(--pine)}
.step.todo em{color:#8B6A3A}
.step b{display:block;font-size:18px;color:var(--sea);margin:4px 0}
.step span{font-size:14px;color:var(--muted)}

/* ============ REGISTER ============ */
.register{background:#fff}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:700;color:var(--body)}
.form input,.form select{height:50px;padding:0 16px;border-radius:10px;border:1px solid #B9AE99;background:#fff;font-size:16px;font-family:inherit}
.form .full{grid-column:1/-1}
.consent{flex-direction:row!important;align-items:flex-start;font-weight:400!important;font-size:13px!important;color:var(--muted)!important}
.consent input{width:18px;height:18px;margin-top:2px}
.error{color:#A33A1F;font-size:14px;min-height:22px}
.thanks{background:#E3EEE6;border-radius:18px;padding:32px;animation:fade .5s}
.thanks b{display:block;font-size:22px;color:var(--pine);margin-bottom:6px}
.agent{width:380px;flex-shrink:0;display:flex;flex-direction:column;gap:14px;background:var(--sand)}
.agent b{font-size:24px;color:var(--sea)}

/* ============ FOOTER ============ */
footer{background:var(--deep);color:#AFC0C2;padding:56px 0;font-size:13px;line-height:1.8}
footer p{max-width:110ch;margin-top:14px}
.stripe{display:flex;height:6px}
.stripe i{flex:1}

/* 浮動 WhatsApp */
.fab{position:fixed;right:20px;bottom:20px;z-index:40;width:58px;height:58px;border-radius:50%;background:var(--pine);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(15,46,56,.3);transform:scale(0);transition:transform .35s cubic-bezier(.3,1.5,.5,1)}
.fab.show{transform:scale(1)}

/* 捲動出現：只用喺少數重點元素 */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s,transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

[hidden]{display:none!important}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .facts .wrap{grid-template-columns:repeat(3,minmax(0,1fr))}
  .two,.unit,.concept,.calc{display:flex;flex-direction:column;gap:40px}
  .market,.plan,.gp-img,.route-map,.agent{width:100%}
  .zones{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:200px}
  .zone:nth-child(n){grid-column:auto;grid-row:auto}
  .zone:nth-child(1){grid-column:span 2}
  .facilities{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline::before,.timeline .progress{display:none}
}
@media (max-width:760px){
  section{padding:72px 0}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .menu{position:absolute;top:80px;left:0;right:0;background:var(--sea);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;display:none}
  .menu.open{display:flex}
  .menu a{padding:14px 0;border-bottom:1px solid #24505A}
  .menu .btn{margin-top:12px;border:none}
  .nav{background:rgba(15,46,56,.96)}
  .hero .wrap{padding:120px 0 200px}
  .facts .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact b{font-size:38px}
  .zones{grid-template-columns:1fr}
  .zone:nth-child(1){grid-column:auto}
  .facilities,.anchors,.form,.specs,.timeline{grid-template-columns:1fr}
  .perk{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .wave,.bird,.pulse,.win,.perk-card,.scroll-cue i,.slide img,.pin-ring{animation:none!important}
  html{scroll-behavior:auto}
}

/* ================= v3：實景相片 ================= */
.hero{background:#0A2129}
.slides{position:absolute;inset:0;overflow:hidden}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.6s ease}
.slide.on{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover}
.slide.on img{animation:kenburns 9s ease-out forwards}
@keyframes kenburns{from{transform:scale(1.14) translate(1.5%,1%)}to{transform:scale(1) translate(0,0)}}
.hero-shade{background:linear-gradient(180deg,rgba(10,33,41,.7),transparent 22%),linear-gradient(90deg,rgba(10,33,41,.88) 0%,rgba(10,33,41,.55) 45%,rgba(10,33,41,.1) 80%),linear-gradient(0deg,rgba(10,33,41,.7),transparent 35%)}
.hero-waves{position:absolute;left:0;right:0;bottom:0;height:70px;z-index:1;opacity:.55;pointer-events:none}
.hero-waves svg{width:100%;height:100%}
.dots{position:absolute;z-index:3;right:max(24px,calc((100% - 1200px)/2));bottom:34px;display:flex;gap:8px}
.dots button{width:34px;height:4px;border:none;border-radius:2px;background:rgba(245,240,230,.35);cursor:pointer;padding:0;position:relative;overflow:hidden}
.dots button::after{content:"";position:absolute;inset:0;background:var(--brass);transform:scaleX(0);transform-origin:left}
.dots button.on::after{animation:bar 6s linear forwards}
@keyframes bar{to{transform:scaleX(1)}}
.photo-note{position:absolute;z-index:3;left:max(24px,calc((100% - 1200px)/2));bottom:30px;font-size:12px;color:rgba(245,240,230,.75)}

/* 今期位置 */
.locate{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;align-items:center}
.pinfig{position:relative;margin:0;border-radius:20px;overflow:hidden;aspect-ratio:16/9;background:#163C48}
.pinfig img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);transition:transform 2.4s cubic-bezier(.2,.7,.2,1)}
.pinfig.in img{transform:none}
.pin{position:absolute;left:48.5%;top:36%;width:0;height:0}
.pin-dot{position:absolute;left:-9px;top:-9px;width:18px;height:18px;border-radius:50%;background:var(--brass);border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.4);transform:scale(0);transition:transform .5s 1.2s cubic-bezier(.3,1.6,.5,1)}
.pin-ring{position:absolute;left:-26px;top:-26px;width:52px;height:52px;border-radius:50%;border:2px solid var(--brass);opacity:0;animation:ring 2s 1.6s infinite}
@keyframes ring{0%{transform:scale(.3);opacity:1}100%{transform:scale(1.6);opacity:0}}
.pin-label{position:absolute;left:18px;top:-58px;white-space:nowrap;background:var(--sea);color:var(--sand);font-size:14px;font-weight:700;padding:8px 14px;border-radius:10px;opacity:0;transform:translateY(8px);transition:all .5s 1.6s}
.pin-label::after{content:"";position:absolute;left:-6px;bottom:10px;border:6px solid transparent;border-right-color:var(--sea);border-left:0}
.pinfig.in .pin-dot{transform:scale(1)}
.pinfig.in .pin-label{opacity:1;transform:none}
.pin-legend{display:flex;flex-direction:column;gap:14px}
.pin-legend li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:var(--body)}
.pin-legend ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.pin-legend b{color:var(--sea)}
.pin-legend i{flex-shrink:0;width:12px;height:12px;border-radius:50%;margin-top:7px}

/* 實景相集 */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:200px;gap:14px;margin-top:40px}
.shot{position:relative;border:none;padding:0;border-radius:16px;overflow:hidden;cursor:zoom-in;background:#163C48}
.shot:nth-child(1){grid-column:span 2;grid-row:span 2}
.shot:nth-child(4){grid-column:span 2}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.7,.2,1)}
.shot:hover img,.shot:focus-visible img{transform:scale(1.07)}
.shot span{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;text-align:left;color:#fff;font-size:15px;font-weight:700;background:linear-gradient(transparent,rgba(10,33,41,.8))}

/* 會所（售樓說明書頁） */
.clubs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:44px}
.clubcard{background:var(--sea-2);border:1px solid #2E5A66;border-radius:20px;overflow:hidden;display:flex;flex-direction:column}
.clubcard button{border:none;padding:0;cursor:zoom-in;background:#fff;aspect-ratio:1.37;overflow:hidden;display:block;width:100%}
.clubcard button img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.7,.2,1)}
.clubcard button:hover img{transform:scale(1.05)}
.clubcard .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px}
.clubcard h3{color:var(--sand);font-family:var(--latin);font-size:30px;font-weight:600;letter-spacing:.03em}
.clubcard h3 small{font-family:var(--sans);font-size:14px;color:var(--brass);margin-left:10px;letter-spacing:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:13px;color:#D5E0E0;border:1px solid #3A6570;border-radius:999px;padding:5px 12px}
.clubcard.wide{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
.clubcard.wide button{aspect-ratio:auto;height:100%}
.clubcard.wide .body{justify-content:center;padding:36px}
.big-num{font-family:var(--latin);font-size:72px;font-weight:600;color:var(--brass);line-height:1}
.brochure-note{font-size:12px;color:#9FB6B8;margin-top:16px}

/* GO PARK 相 */
.gp-img img{width:100%;height:100%;object-fit:cover;object-position:85% 90%}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(6,20,26,.94);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
.lb.open{opacity:1;pointer-events:auto}
.lb figure{margin:0;max-width:min(1400px,92vw);max-height:86vh;display:flex;flex-direction:column;gap:12px;transform:scale(.94);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.lb.open figure{transform:none}
.lb img{max-width:100%;max-height:78vh;object-fit:contain;border-radius:10px;background:#fff}
.lb figcaption{color:#D5E0E0;font-size:14px;text-align:center}
.lb-btn{position:absolute;width:52px;height:52px;border-radius:50%;border:1px solid #3A6570;background:rgba(15,46,56,.8);color:#fff;font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lb-close{top:20px;right:20px}.lb-prev{left:20px;top:50%;translate:0 -50%}.lb-next{right:20px;top:50%;translate:0 -50%}

@media (max-width:1024px){
  .locate{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:170px}
  .shot:nth-child(4){grid-column:auto}
  .clubs{grid-template-columns:1fr}
  .clubcard.wide{grid-template-columns:1fr}
}
@media (max-width:760px){
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:130px}
  .pin-label{font-size:12px;padding:6px 10px;top:-48px}
  .dots{bottom:22px}.photo-note{bottom:52px}
  .lb-prev,.lb-next{top:auto;bottom:20px;translate:none}
}

/* 正式版：戶型相片 */
.plan{border:none;background:var(--sea)}
.plan img{width:100%;height:100%;object-fit:cover}
.plan-over{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff;background:linear-gradient(transparent 15%,rgba(10,33,41,.55) 50%,rgba(10,33,41,.94))}
.plan-over b{text-shadow:0 2px 16px rgba(0,0,0,.5);font-family:var(--latin);font-size:110px;line-height:.9;font-weight:600;color:var(--brass);display:inline-block}
.plan-over b.pop{animation:pop .5s cubic-bezier(.3,1.6,.5,1)}
@keyframes pop{from{transform:scale(.6);opacity:0}to{transform:none;opacity:1}}
.plan-over span{font-size:20px;font-weight:700;margin-top:4px}
.plan-over small{font-size:13px;color:#D5E0E0;margin-top:6px}
.plan-over em{font-style:normal}

/* ================= v4：多頁版 ================= */
.logo span small{display:block;font-size:11px;color:#AFC0C2;letter-spacing:.06em;margin-top:2px}
.menu a[aria-current="page"]::after{right:0}
.menu a[aria-current="page"]{color:#fff}

/* 首頁銷售進度（取代倒數） */
.progress-steps{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:0}
.progress-steps li{position:relative;display:grid;grid-template-columns:22px 1fr;gap:12px;padding-bottom:14px}
.progress-steps li::before{content:"";position:absolute;left:10px;top:20px;bottom:0;width:2px;background:var(--line)}
.progress-steps li:last-child{padding-bottom:0}.progress-steps li:last-child::before{display:none}
.progress-steps .dot{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--pine);color:#fff;font-size:12px;position:relative;z-index:1}
.progress-steps .todo .dot{background:#fff;border:2px dashed #8B9A9C;color:transparent}
.progress-steps .next .dot{background:var(--brass);color:var(--sea);box-shadow:0 0 0 0 rgba(217,183,126,.7);animation:beacon 2s infinite}
@keyframes beacon{70%{box-shadow:0 0 0 10px rgba(217,183,126,0)}100%{box-shadow:0 0 0 0 rgba(217,183,126,0)}}
.progress-steps b{display:block;font-size:15px;color:var(--sea);line-height:1.3}
.progress-steps small{font-size:12.5px;color:var(--muted)}
.status .btn{margin-top:6px;min-height:46px}

/* 子頁頁頭 */
.page-hero{position:relative;min-height:420px;display:flex;align-items:flex-end;padding:0;color:var(--sand);overflow:hidden;background:var(--sea)}
.page-hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;animation:kenburns 12s ease-out forwards}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,33,41,.75),rgba(10,33,41,.25) 40%,rgba(10,33,41,.9))}
.page-hero .wrap{position:relative;z-index:2;padding:130px 0 56px}
.page-hero h1{color:var(--sand);font-size:clamp(34px,5vw,56px);opacity:0;animation:fade .8s .1s forwards}
.page-hero p{color:#D5E0E0;font-size:17px;max-width:60ch;margin-top:12px;opacity:0;animation:fade .8s .3s forwards}
.crumbs{list-style:none;margin:0 0 14px;padding:0;display:flex;gap:8px;font-size:13px;color:#C9D6D6}
.crumbs a{color:var(--brass);text-decoration:none}
.crumbs li+li::before{content:"/";margin-right:8px;color:#8FB3B5}

/* 頁尾 CTA 帶 */
.cta-band{background:var(--pine);color:#fff;padding:64px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px)}
.cta-band p{color:#DCEBDF;margin-top:6px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-wa{background:#fff;color:var(--pine)}
.btn-wa:hover{background:#EEF6F0}
.btn-wc{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-wc:hover{background:rgba(255,255,255,.1)}
.btn svg{width:20px;height:20px;flex-shrink:0}

/* 聯絡頁 */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px;align-items:start}
.contact-cards{display:flex;flex-direction:column;gap:16px}
.ccard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:12px}
.ccard h3{font-size:22px}
.ccard .num{font-family:var(--latin);font-size:40px;font-weight:600;color:var(--sea);letter-spacing:.04em;line-height:1}
.qr{width:200px;height:200px;border-radius:12px;border:1px solid var(--line);image-rendering:pixelated;background:#fff}
.form-note{font-size:13px;color:var(--muted)}

/* FAQ */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-size:18px;font-weight:700;color:var(--sea);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--aqua);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px;color:var(--body);font-size:16px;line-height:1.85}

/* 首頁導覽卡 */
.explore{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:40px}
.xcard{position:relative;display:block;border-radius:18px;overflow:hidden;aspect-ratio:4/3;text-decoration:none;color:#fff;background:var(--sea)}
.xcard img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.7,.2,1)}
.xcard:hover img{transform:scale(1.06)}
.xcard span{position:absolute;inset:auto 0 0 0;padding:20px;background:linear-gradient(transparent,rgba(10,33,41,.9));display:flex;flex-direction:column}
.xcard b{font-size:20px}.xcard small{font-size:14px;color:#D5E0E0}
.xcard i{position:absolute;right:18px;bottom:22px;width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;font-style:normal;transition:background .3s,transform .3s}
.xcard:hover i{background:var(--brass);color:var(--sea);transform:translateX(4px)}

/* 浮動聯絡掣（WhatsApp + 微信） */
.floats{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;gap:12px;transform:translateY(140%);transition:transform .45s cubic-bezier(.3,1.4,.5,1)}
.floats.show{transform:none}
.floats a,.floats button{width:58px;height:58px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;box-shadow:0 8px 20px rgba(15,46,56,.3)}
.floats svg{width:28px;height:28px}
.f-wa{background:#1F8F52}.f-wc{background:#2A7D3F}
.fab{display:none!important}

/* 微信彈窗 */
.wcm{position:fixed;inset:0;z-index:110;background:rgba(6,20,26,.8);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
.wcm.open{opacity:1;pointer-events:auto}
.wcm .box{background:#fff;border-radius:20px;padding:30px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;transform:scale(.92);transition:transform .35s cubic-bezier(.2,.7,.2,1);max-width:90vw}
.wcm.open .box{transform:none}
.wcm .qr{width:240px;height:240px;border:none}
.wcm h3{font-size:20px}.wcm p{font-size:14px;color:var(--muted)}

/* 頁尾聯絡 */
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:28px;border-bottom:1px solid #1E3E47}
.foot-grid h4{margin:0 0 12px;color:var(--sand);font-size:15px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.foot-grid a{color:#C9D6D6;text-decoration:none}.foot-grid a:hover{color:#fff}
.foot-qr{display:flex;gap:14px;align-items:center}
.foot-qr img{width:96px;height:96px;border-radius:8px;background:#fff;padding:4px;image-rendering:pixelated}
.disclaimer{font-size:12.5px;line-height:1.9;color:#94A9AC;margin-top:24px}
.disclaimer b{color:#C9D6D6}

@media (max-width:1024px){
  .contact-grid{grid-template-columns:1fr}
  .explore{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .explore,.foot-grid{grid-template-columns:1fr}
  .page-hero{min-height:340px}
}
@media (prefers-reduced-motion:reduce){.page-hero img.bg,.progress-steps .next .dot{animation:none}}
.logo b,.logo span{white-space:nowrap}
.crumbs{color:#E6EEEE;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.crumbs a{text-shadow:0 1px 6px rgba(0,0,0,.6)}
.page-hero::after{background:linear-gradient(180deg,rgba(10,33,41,.8),rgba(10,33,41,.35) 35%,rgba(10,33,41,.92))}
@media (max-width:760px){
  .logo{gap:8px}
  .logo b{font-size:20px;letter-spacing:.14em}
  .logo span{font-size:12px}
  .logo span small{display:none}
}