/* ============================================================
   FERNSTEAD — 全站设计系统 v2（2026-08-21 全面重做）
   调性：后花园 · 鲜艳 · 丰收 · 喜悦 · 宠物有爱 · 家庭温暖
   与 experience.104e120a.css 同源，禁暖黄/黄昏/暗沉
   ============================================================ */
:root{
  --cream:#FDFBF6; --paper:#FFFFFF;
  --fern-deep:#1F4433; --fern:#25543C; --fern-soft:#3E7355;
  --meadow:#79A868; --mint:#EAF3EA; --mint-2:#F3F8F2;
  --bloom:#E8836F; --petal:#F8E4DE; --sky:#DEECF6; --lav:#E7E0F3;
  --bark:#7A6550; --ink:#1A231E; --muted:#5D6B62; --line:#E7E1D6; --line-2:#F2EEE5;
  --max:1240px; --gut:clamp(20px,5vw,60px); --r:14px;
  --serif:"Fraunces",ui-serif,Georgia,serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--fern);text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.14;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5.4vw,3.8rem)}
h2{font-size:clamp(1.75rem,3.6vw,2.6rem)}
h3{font-size:1.2rem}
p{margin:0 0 1.1em}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.eyebrow{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;
  color:var(--meadow);margin:0 0 .9em}
.lede{font-size:1.1rem;color:var(--muted);max-width:60ch}
.muted{color:var(--muted)} .center{text-align:center}

/* 滚动揭示 */
.rv{opacity:0;transform:translateY(30px);
  transition:opacity .85s cubic-bezier(.2,.7,.3,1),transform .85s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.09s}.rv-d2{transition-delay:.18s}
.rv-d3{transition-delay:.27s}.rv-d4{transition-delay:.36s}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}*{animation:none!important}}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;border-radius:999px;
  padding:.9em 1.9em;font-size:.93rem;font-weight:600;text-decoration:none;cursor:pointer;
  border:1.5px solid transparent;transition:transform .2s,background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--fern);color:#fff;border-color:var(--fern)}
.btn-primary:hover{background:var(--fern-deep);border-color:var(--fern-deep);color:#fff}
.btn-outline{background:transparent;color:var(--fern);border-color:var(--fern)}
.btn-outline:hover{background:var(--fern);color:#fff}
.btn-solid{background:#fff;color:var(--fern-deep);border-color:#fff}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:#fff;color:var(--fern-deep)}
.btn-paypal{background:#FFC439;color:#12325B;border-color:#EDB219;font-weight:700}
.btn-paypal:hover{background:#F0B429;color:#12325B}
.btn-block{width:100%}

/* 顶栏 */
.announce{background:var(--fern-deep);color:#DCE9DD;text-align:center;
  font-size:.78rem;letter-spacing:.05em;padding:.62em 1em}
.site-header{position:sticky;top:0;z-index:60;background:rgba(253,251,246,.93);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:1.4rem;height:74px}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;flex:none}
.logo svg{width:34px;height:34px;flex:none}
.logo-text{font-family:var(--serif);font-size:1.24rem;font-weight:600;letter-spacing:.055em;
  text-transform:lowercase;color:var(--fern-deep)}
.nav{display:flex;gap:1.6rem;margin-left:auto;align-items:center}
.nav a{font-size:.85rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;
  color:var(--ink);text-decoration:none}
.nav a:hover{color:var(--fern);text-decoration:underline}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);
  border-radius:999px;padding:.5em .95em;font-size:.85rem;cursor:pointer;color:var(--ink)}
@media(max-width:880px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:flex-start;
    gap:0;background:var(--cream);border-bottom:1px solid var(--line);padding:.4rem var(--gut) 1.2rem}
  .nav:not(.open){display:none}
  .nav a{padding:.75rem 0;width:100%;border-bottom:1px solid var(--line-2)}
}

/* 满幅 Hero */
.hero{position:relative;height:clamp(560px,88svh,940px);overflow:hidden}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.05)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,
  rgba(20,35,26,.30) 0%,rgba(20,35,26,.04) 34%,rgba(20,35,26,.10) 58%,rgba(20,35,26,.60) 100%)}
.hero-inner{position:absolute;inset:auto 0 clamp(3rem,8vh,6rem);z-index:3;
  max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.hero h1{color:#fff;max-width:15ch;margin-bottom:.5rem}
.hero .eyebrow{color:#B7D2BC}
.hero p{color:#E7F0E7;font-size:clamp(1rem,1.5vw,1.16rem);max-width:46ch;margin-bottom:1.7rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* 区块 */
.section{padding:clamp(3.8rem,9vh,6.5rem) 0}
.section-mint{background:linear-gradient(180deg,var(--cream),var(--mint))}
.section-paper{background:var(--paper);border-block:1px solid var(--line)}
.section-head{max-width:58ch;margin-bottom:clamp(2.2rem,5vh,3.4rem)}
.section-head.center{margin-inline:auto;text-align:center}

/* 大字陈述 */
.statement{padding:clamp(4.5rem,12vh,8rem) 0;text-align:center}
.statement h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.7rem,4.2vw,3.1rem);
  line-height:1.24;max-width:22ch;margin-inline:auto}
.statement h2 em{font-style:normal;color:var(--fern);font-weight:600}
.statement .sub{margin:1.6rem auto 0;max-width:54ch;color:var(--muted)}

/* 产品卡 */
.grid{display:grid;gap:clamp(1.2rem,2.6vw,2rem)}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:var(--meadow);
  box-shadow:0 20px 44px -30px rgba(26,35,30,.5)}
.card-media{aspect-ratio:4/3;overflow:hidden;background:var(--mint-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:1.4rem 1.4rem 1.6rem;display:flex;flex-direction:column;flex:1}
.card-cat{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--meadow);
  font-weight:700;margin-bottom:.55em}
.card h3{margin:0 0 .5rem;font-size:1.18rem;line-height:1.3}
.card h3 a{color:var(--ink);text-decoration:none}
.card:hover h3 a{color:var(--fern)}
.card p{font-size:.9rem;color:var(--muted);margin-bottom:1.1rem}
.card-foot{margin-top:auto;display:flex;align-items:baseline;gap:.6rem}
.price{font-family:var(--serif);font-size:1.32rem;font-weight:600;color:var(--fern-deep)}
.price-was{font-size:.88rem;color:var(--muted);text-decoration:line-through}

/* 特色 */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:2.2rem}
.feature-num{font-family:var(--serif);font-size:.78rem;font-weight:600;color:var(--meadow);
  letter-spacing:.12em;display:block;margin-bottom:.7rem}
.feature h3{font-size:1.04rem;margin-bottom:.45rem}
.feature p{font-size:.9rem;color:var(--muted);margin:0}

/* 左右分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.split img{border-radius:var(--r)}

/* 满幅生活场景带 */
.band{position:relative;height:clamp(400px,62svh,680px);overflow:hidden}
.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,35,26,.58),rgba(20,35,26,.14) 56%,transparent)}
.band-copy{position:relative;z-index:3;height:100%;display:flex;align-items:center}
.band-copy .inner{max-width:36ch;color:#fff}
.band-copy h2{color:#fff;margin-bottom:.8rem}
.band-copy p{color:#E7F0E7;margin:0}

/* 产品详情 */
.breadcrumb{font-size:.8rem;color:var(--muted);padding:1.4rem 0 0}
.breadcrumb a{color:var(--muted)}
.pdp{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(1.8rem,4vw,3.6rem);
  padding:1.6rem 0 1rem;align-items:start}
@media(max-width:920px){.pdp{grid-template-columns:1fr}}
.gallery-main{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:var(--paper);aspect-ratio:4/3}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:.6rem;margin-top:.7rem;flex-wrap:wrap}
.thumbs button{width:84px;aspect-ratio:4/3;padding:0;border:1.5px solid var(--line);
  border-radius:8px;overflow:hidden;cursor:pointer;background:none}
.thumbs button[aria-selected="true"]{border-color:var(--fern)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.pdp-brand{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;font-weight:700;
  color:var(--meadow);margin-bottom:.7em}
.pdp h1{font-size:clamp(1.45rem,2.5vw,2rem);line-height:1.26;margin-bottom:.5rem}
.pdp-sku{font-size:.82rem;color:var(--muted);margin-bottom:1.2rem}
.pdp-ih{background:var(--mint);border-left:3px solid var(--meadow);padding:.85rem 1.1rem;
  border-radius:0 8px 8px 0;font-size:.94rem;margin-bottom:1.4rem}
.pdp-price{display:flex;align-items:baseline;gap:.7rem;margin-bottom:.3rem}
.pdp-price .price{font-size:2.1rem}
.badge{font-size:.7rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  background:var(--bloom);color:#fff;padding:.3em .75em;border-radius:999px}
.pdp-vat{font-size:.83rem;color:var(--muted);margin-bottom:1.5rem}
.opt-label{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;
  color:var(--muted);margin:0 0 .6rem}
.swatches{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.6rem}
.swatch{font-size:.86rem;padding:.5em 1.05em;border:1.5px solid var(--line);border-radius:999px;
  background:var(--paper);cursor:pointer;color:var(--ink)}
.swatch[aria-pressed="true"]{border-color:var(--fern);background:var(--mint);
  color:var(--fern-deep);font-weight:600}
.buybox{border:1px solid var(--line);border-radius:var(--r);background:var(--paper);
  padding:1.4rem;margin-bottom:1.5rem}
.buybox .btn+.btn{margin-top:.65rem}
.buybox-note{font-size:.8rem;color:var(--muted);margin:1rem 0 0;line-height:1.55}
.stock{font-size:.86rem;color:var(--fern);font-weight:600;margin:0 0 1rem;
  display:flex;align-items:center;gap:.45em}
.stock::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--meadow);flex:none}
.bullets{list-style:none;padding:0;margin:0 0 2rem}
.bullets li{position:relative;padding-left:1.6rem;margin-bottom:.9rem;font-size:.93rem;line-height:1.6}
.bullets li::before{content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;
  background:var(--meadow);border-radius:2px;transform:rotate(45deg)}
.bullets strong{color:var(--ink)}
.info-table{width:100%;border-collapse:collapse;font-size:.9rem;margin-bottom:2rem}
.info-table th,.info-table td{text-align:left;padding:.72em .9em;border-bottom:1px solid var(--line-2);
  vertical-align:top}
.info-table th{width:44%;font-weight:500;color:var(--muted);font-size:.86rem}
.prose{max-width:68ch}
.prose p{font-size:1rem;line-height:1.78}
.trust-row{display:flex;flex-wrap:wrap;gap:1.5rem 2.6rem;padding-top:1.8rem;
  border-top:1px solid var(--line);margin-top:2.2rem}
.trust{font-size:.84rem;color:var(--muted);display:flex;gap:.55em;align-items:flex-start;max-width:22ch}
.trust strong{display:block;color:var(--ink);font-size:.88rem;margin-bottom:.12em}
.notice{background:var(--mint);border-left:3px solid var(--meadow);padding:1.1rem 1.3rem;
  border-radius:0 8px 8px 0;font-size:.92rem}
.notice p:last-child{margin-bottom:0}
form label{display:block;font-size:.84rem;font-weight:600;color:var(--muted);margin-bottom:.4rem}
form input,form textarea,form select{width:100%;padding:.78em .95em;border:1.5px solid var(--line);
  border-radius:10px;font:inherit;font-size:.94rem;background:var(--paper);color:var(--ink);margin-bottom:1.1rem}
form input:focus,form textarea:focus,form select:focus{outline:2px solid var(--meadow);
  outline-offset:1px;border-color:var(--fern-soft)}
.page-head{padding:clamp(2.6rem,6vh,4.5rem) 0 0}

/* 页脚 */
.site-footer{background:var(--fern-deep);color:#C7D8CB;padding:clamp(3rem,6vw,4.5rem) 0 2rem;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:2.2rem;margin-bottom:3rem}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{font-family:var(--sans);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:#fff;margin:0 0 1.1rem;font-weight:700}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.6rem}
.site-footer a{color:#C7D8CB;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-logo{display:flex;align-items:center;gap:.6rem;color:#fff;margin-bottom:1rem}
.footer-logo svg{width:32px;height:32px}
.footer-logo span{font-family:var(--serif);font-size:1.2rem;letter-spacing:.055em;text-transform:lowercase}
.footer-about{color:#A9C0AD;max-width:34ch;font-size:.88rem;line-height:1.65}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:1.6rem;display:flex;
  flex-wrap:wrap;gap:.8rem 1.6rem;justify-content:space-between;font-size:.8rem;color:#93AC98}

/* 数字对比陈述：15（绿·好）对 3（珊瑚·警示），数字压过文字才有冲击力 */
.stat-line{line-height:1.3}
.stat-line .num{
  font-family:var(--serif);font-weight:600;font-size:1.85em;line-height:.8;
  letter-spacing:-.03em;display:inline-block;vertical-align:-.10em;padding:0 .06em;
  font-variant-numeric:lining-nums tabular-nums;
}
.num-good{color:var(--fern)}
.num-bad{color:var(--bloom)}
.num-bad::after{
  content:"";display:block;height:.07em;margin-top:.10em;border-radius:99px;
  background:var(--bloom);opacity:.42;
}
.stat-kicker{display:inline-block;margin-top:.5em;font-size:.62em;color:var(--muted);
  font-family:var(--sans);font-weight:500;letter-spacing:.01em}

/* 亚马逊全套图网格 */
.amz-grid{display:grid;gap:clamp(.9rem,2vw,1.5rem);
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.amz-tile{margin:0;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden}
.amz-tile img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.amz-tile figcaption{padding:.75rem .95rem 1rem;font-size:.83rem;color:var(--muted);line-height:1.45}
.amz-tile:first-child img{object-fit:contain;background:#fff}