/* ===========================================================
   MALENE — World-Tier Brand Site Design System
   調性 ref: La Mer (深海奢華/留白/襯線標題) × MALENE 粉藍識別
   來源: 設計 token 自訂；品牌色取自官方包裝（粉藍）
   =========================================================== */
:root{
  /* La Mer 級深海色盤：深海藍主色 + 暖奶油底 + 金線，MALENE 粉藍為輔 */
  --paper:#FCFCFA; --cream:#F1ECE2; --line:#E7E3DA;
  --blue:#9DBFD9; --blue-soft:#DCE7EF; --blue-deep:#3C6E8C;
  --navy:#15333D; --navy-2:#0E2730; --ink:#152128; --grey:#5F6E74; --grey-2:#94928A;
  --gold:#A98B5B;
  --maxw:1280px; --gut:clamp(22px,6vw,84px);
  --serif:"Cormorant Garamond","Noto Serif TC",Georgia,"Songti TC",serif;
  --sans:"Noto Sans TC","Helvetica Neue",-apple-system,"PingFang TC",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:.6s var(--ease);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.7;font-size:16px;font-weight:300;letter-spacing:.02em;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.18;letter-spacing:.01em;color:var(--navy)}
.serif{font-family:var(--serif)}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
.eyebrow{font-size:12px;letter-spacing:.42em;text-transform:uppercase;color:var(--blue-deep);font-weight:400}
.lead{font-size:clamp(17px,1.4vw,20px);color:var(--grey);font-weight:300}
.center{text-align:center}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.6em;font-size:13px;letter-spacing:.22em;
  text-transform:uppercase;padding:16px 34px;border:1px solid var(--navy);color:var(--navy);
  background:transparent;cursor:pointer;transition:all .45s var(--ease);border-radius:0}
.btn:hover{background:var(--navy);color:#fff}
.btn--solid{background:var(--navy);color:#fff}
.btn--solid:hover{background:var(--blue-deep);border-color:var(--blue-deep)}
.btn--light{border-color:rgba(255,255,255,.7);color:#fff}
.btn--light:hover{background:#fff;color:var(--navy);border-color:#fff}

/* ---- header ---- */
.hd{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;padding:18px var(--gut);transition:var(--t);
  background:transparent;mix-blend-mode:normal}
.hd.scrolled{background:rgba(251,252,253,.92);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);padding-block:14px}
.hd__logo{font-family:var(--serif);font-size:26px;letter-spacing:.34em;color:#fff;transition:var(--t)}
.hd.scrolled .hd__logo,.hd--solid .hd__logo{color:var(--navy)}
.hd__nav{display:flex;gap:30px;font-size:13px;letter-spacing:.14em;color:#fff;transition:var(--t)}
.hd.scrolled .hd__nav a,.hd--solid .hd__nav a{color:var(--navy)}
.hd__nav a{position:relative;padding-bottom:3px}
.hd__nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:currentColor;transition:width .4s var(--ease)}
.hd__nav a:hover::after{width:100%}
.hd--solid{position:sticky;background:rgba(251,252,253,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.hd__burger{display:none;font-size:22px;color:#fff;background:none;border:0;cursor:pointer}
.hd.scrolled .hd__burger,.hd--solid .hd__burger{color:var(--navy)}

/* ---- hero ---- */
.hero{position:relative;height:100svh;min-height:620px;overflow:hidden;display:grid;place-items:center}
.hero__media,.hero__media video,.hero__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,34,46,.34) 0%,rgba(16,34,46,.12) 38%,rgba(16,34,46,.46) 100%)}
.hero__inner{position:relative;z-index:2;text-align:center;color:#fff;max-width:860px;padding-inline:24px}
.hero h1{color:#fff;font-size:clamp(38px,6.4vw,82px);font-weight:500;letter-spacing:.04em}
.hero__sub{margin:22px auto 34px;font-size:clamp(15px,1.5vw,19px);font-weight:300;
  letter-spacing:.16em;color:rgba(255,255,255,.92)}
.hero__eyebrow{color:rgba(255,255,255,.9);margin-bottom:20px}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  width:1px;height:54px;background:linear-gradient(rgba(255,255,255,.8),transparent);animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:translateX(-50%) scaleY(0);transform-origin:top}
  50%{transform:translateX(-50%) scaleY(1);transform-origin:top}
  50.1%{transform-origin:bottom}100%{transform:translateX(-50%) scaleY(0);transform-origin:bottom}}

/* ---- reveal animation ---- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-cue,video{animation:none}
}

/* ---- sections ---- */
.sec{padding-block:clamp(72px,11vw,140px)}
.sec--cream{background:var(--cream)}
.sec--navy{background:var(--navy);color:#fff}
.sec--navy h2,.sec--navy h3{color:#fff}
.sec__head{max-width:720px;margin:0 auto clamp(40px,6vw,72px);text-align:center}
.sec__head h2{font-size:clamp(30px,4vw,52px);margin:18px 0 0}
.sec__head .lead{margin-top:20px}

/* ---- pillars (抑菌/修護/平衡) ---- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,60px)}
.pillar{text-align:center}
.pillar__no{font-family:var(--serif);font-size:15px;letter-spacing:.3em;color:var(--gold)}
.pillar h3{font-size:26px;margin:14px 0 12px}
.pillar p{color:var(--grey);font-size:15px}
.sec--navy .pillar p{color:rgba(255,255,255,.74)}
.pillar__rule{width:34px;height:1px;background:var(--gold);margin:18px auto}

/* ---- tech band ---- */
.tech{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(30px,6vw,90px)}
.tech__media{aspect-ratio:4/5;overflow:hidden;background:var(--blue-soft)}
.tech__media img{width:100%;height:100%;object-fit:cover}
.tech h2{font-size:clamp(28px,3.6vw,46px)}
.tech .badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.badge{font-size:12px;letter-spacing:.12em;border:1px solid var(--line);
  padding:8px 14px;color:var(--blue-deep);border-radius:40px}
.sec--navy .badge{border-color:rgba(255,255,255,.28);color:rgba(255,255,255,.85)}

/* ---- product grid ---- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.6vw,40px)}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 60px -28px rgba(27,58,75,.36)}
.card__img{aspect-ratio:1/1;overflow:hidden;background:linear-gradient(160deg,#fff,var(--blue-soft) 160%)}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.card:hover .card__img img{transform:scale(1.05)}
.card__body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1;gap:8px}
.card__series{font-size:11px;letter-spacing:.24em;color:var(--blue-deep);text-transform:uppercase}
.card__name{font-family:var(--serif);font-size:21px;color:var(--navy)}
.card__cap{font-size:13px;color:var(--grey-2)}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:14px}
.card__price{font-family:var(--serif);font-size:20px;color:var(--ink)}
.card__price small{font-size:12px;color:var(--grey-2);font-family:var(--sans)}
.card__cta{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--navy);
  border-bottom:1px solid var(--navy);padding-bottom:2px}

/* ---- split feature ---- */
.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0;min-height:540px}
.split__media{height:100%;min-height:420px;background:var(--blue-soft);overflow:hidden}
.split__media img{width:100%;height:100%;object-fit:cover}
.split__text{padding:clamp(36px,6vw,96px)}
.split--rev .split__media{order:2}

/* ---- quote ---- */
.quote{max-width:880px;margin:0 auto;text-align:center}
.quote p{font-family:var(--serif);font-size:clamp(22px,3vw,38px);line-height:1.4;color:var(--navy);font-style:italic}
.sec--navy .quote p{color:#fff}
.quote cite{display:block;margin-top:26px;font-family:var(--sans);font-style:normal;
  font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--grey-2)}

/* ---- footer ---- */
.ft{background:var(--ink);color:rgba(255,255,255,.72);padding-block:64px 36px;font-size:14px}
.ft__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.12)}
.ft__logo{font-family:var(--serif);font-size:30px;letter-spacing:.34em;color:#fff;margin-bottom:18px}
.ft h4{color:#fff;font-family:var(--sans);font-size:12px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:18px;font-weight:400}
.ft a{display:block;padding:6px 0;color:rgba(255,255,255,.66);transition:color .3s}
.ft a:hover{color:#fff}
.ft__bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;font-size:12px;color:rgba(255,255,255,.5)}

/* ---- breadcrumb / product detail ---- */
.pdp{padding-top:120px}
.pdp__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,5vw,72px);align-items:start}
.pdp__gallery{position:sticky;top:100px}
.pdp__main{aspect-ratio:1/1;overflow:hidden;background:linear-gradient(160deg,#fff,var(--blue-soft) 170%);border:1px solid var(--line)}
.pdp__main img{width:100%;height:100%;object-fit:cover}
.pdp__thumbs{display:flex;gap:12px;margin-top:14px}
.pdp__thumbs img{width:84px;height:84px;object-fit:cover;border:1px solid var(--line);cursor:pointer;opacity:.7;transition:opacity .3s}
.pdp__thumbs img:hover{opacity:1}
.pdp h1{font-size:clamp(28px,3.6vw,42px);margin:10px 0 14px}
.pdp__price{font-family:var(--serif);font-size:30px;color:var(--ink);margin:8px 0 4px}
.pdp__cap{color:var(--grey-2);font-size:14px;letter-spacing:.06em}
.pdp__desc{margin:26px 0;color:#3c4a52;font-size:15px;line-height:1.9}
.pdp__desc p{margin-bottom:12px}
.pdp__actions{display:flex;gap:14px;margin:30px 0 24px;flex-wrap:wrap}
.spec{width:100%;border-collapse:collapse;margin-top:18px;font-size:14px}
.spec th,.spec td{text-align:left;padding:13px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{width:36%;color:var(--grey);font-weight:400}
.note{font-size:12px;color:var(--grey-2);background:var(--cream);padding:14px 16px;margin-top:24px;border-left:2px solid var(--gold)}

/* ---- campaign banner ---- */
.cband{background:var(--navy);color:#fff;text-align:center;padding:14px 20px;font-size:13px;letter-spacing:.14em}
.cband strong{color:var(--blue-soft)}

/* ---- responsive ---- */
@media(max-width:920px){
  .tech,.pgrid,.pillars,.split,.pdp__grid,.ft__top{grid-template-columns:1fr}
  .split--rev .split__media{order:0}
  .split__media{min-height:340px}
  .pdp__gallery{position:static}
  .hd__nav{display:none}
  .hd__burger{display:block}
  .hd__nav.open{display:flex;position:absolute;top:100%;right:0;left:0;flex-direction:column;
    background:rgba(251,252,253,.98);backdrop-filter:blur(14px);padding:20px var(--gut);gap:14px}
  .hd__nav.open a{color:var(--navy)}
}
@media(max-width:600px){
  .pgrid{grid-template-columns:1fr 1fr;gap:14px}
  .card__body{padding:16px}
  .card__name{font-size:17px}
}

/* ============ v2 升級元件（La Mer 級產品頁敘事 + 情境 banner）============ */
/* 情境 banner（全幅） */
.lbanner{position:relative;height:clamp(320px,42vw,520px);overflow:hidden}
.lbanner img{width:100%;height:100%;object-fit:cover}
.lbanner__ov{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  padding-inline:var(--gut);color:#fff;background:linear-gradient(90deg,rgba(14,39,48,.5),rgba(14,39,48,.05))}
.lbanner__ov h2{color:#fff;font-size:clamp(26px,3.6vw,46px);max-width:640px}
.lbanner__ov p{color:rgba(255,255,255,.9);margin-top:14px;max-width:520px;letter-spacing:.06em}

/* 產品頁標語 */
.pdp__tagline{font-family:var(--serif);font-size:clamp(18px,1.7vw,22px);color:var(--blue-deep);
  font-style:italic;letter-spacing:.04em;margin:2px 0 12px}

/* 賣點 highlights */
.hl{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0}
.hl__item{text-align:center;padding:22px 14px;background:var(--cream);border-radius:3px}
.hl__mk{font-family:var(--serif);font-size:22px;color:var(--gold);line-height:1}
.hl__item p{margin-top:10px;font-size:13.5px;color:var(--ink);letter-spacing:.03em}

/* 使用儀式步驟 */
.ritual{margin:40px 0}
.ritual h3,.section-h{font-family:var(--serif);font-size:clamp(22px,2.4vw,30px);color:var(--navy);margin-bottom:22px;letter-spacing:.04em}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;padding-top:18px}
.step__n{font-family:var(--serif);font-size:34px;color:var(--blue-soft);line-height:1}
.step p{margin-top:8px;font-size:14px;color:var(--grey)}
.step::before{content:"";position:absolute;top:0;left:0;width:26px;height:1px;background:var(--gold)}

/* 信任徽章列 */
.trust{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;padding:34px 0;border-block:1px solid var(--line);margin:8px 0}
.trust span{font-size:12.5px;letter-spacing:.16em;color:var(--blue-deep);position:relative;padding-left:22px}
.trust span::before{content:"✦";position:absolute;left:0;color:var(--gold)}

/* 成分/技術小卡 */
.ingr{background:var(--cream);padding:26px 28px;border-radius:3px;margin:30px 0}
.ingr h3{font-family:var(--serif);font-size:22px;color:var(--navy);margin-bottom:10px}
.ingr p{font-size:14.5px;color:var(--ink)}

/* 區段標題置中 + 細金線 */
.rule-c{width:36px;height:1px;background:var(--gold);margin:0 auto 18px}

@media(max-width:760px){
  .hl,.steps{grid-template-columns:1fr 1fr;gap:12px}
}

/* ---- 官方 landing page 圖嵌入（奶油底框，世界級編輯感）---- */
.landing{width:100%;max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:0;
  box-shadow:0 40px 90px -45px rgba(21,51,61,.5);border:1px solid var(--line);background:#fff;border-radius:2px;overflow:hidden}
.landing img{width:100%!important;height:auto;display:block}
/* ---- 矽片銀動畫影片區塊 ---- */
.feature-video{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0E2730;border-radius:3px}
.feature-video video{width:100%;height:100%;object-fit:cover;display:block}