/* ===== lovemo 情书式AI恋人 · loovemo.cn ===== */
:root{
  --cream:#fff8f6;
  --pink:#ff7aa2;
  --pink-deep:#e84d7c;
  --pink-d2:#d6396a;
  --pink-soft:#ffe3ec;
  --blush:#ffd3e1;
  --cocoa:#5a3d46;
  --cocoa-2:#9c7e88;
  --gold:#c99b4f;
  --line:#f6dde5;
  --shadow:0 14px 34px rgba(214,77,124,.15);
  --shadow-2:0 10px 24px rgba(120,50,74,.13);
  --radius:20px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--cocoa);background:var(--cream);line-height:1.78;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
section{position:relative}
.hand{font-family:"Kaitin","STKaiti","Songti SC",serif}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;cursor:pointer;border:2px solid transparent;white-space:nowrap;transition:transform .22s,box-shadow .22s,background .22s}
.btn-pri{background:linear-gradient(135deg,#ff93b5,var(--pink-deep));color:#fff;box-shadow:0 10px 24px rgba(232,77,124,.36)}
.btn-pri:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(232,77,124,.5)}
.btn-line{border-color:var(--pink);color:var(--pink-deep);background:#fff}
.btn-line:hover{background:var(--pink-soft);transform:translateY(-3px)}
.btn-line-d{border-color:#fff;color:#fff;background:transparent}
.btn-line-d:hover{background:rgba(255,255,255,.16)}
.btn-lg{padding:14px 32px;font-size:16px}
.btn-sm{padding:9px 22px;font-size:14px}

/* 顶栏 */
.hd{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,248,246,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{border-radius:11px;box-shadow:0 4px 12px rgba(232,77,124,.25)}
.brand-t{display:flex;flex-direction:column;line-height:1.15}
.brand-t strong{color:var(--pink-deep);font-size:18px;letter-spacing:.5px}
.brand-t small{color:var(--cocoa-2);font-size:11px}
.nav{display:flex;gap:4px}
.nav a{padding:8px 13px;border-radius:999px;font-size:14.5px;color:#835b67;transition:.2s}
.nav a:hover,.nav a.on{color:var(--pink-deep);background:var(--pink-soft)}
.hd-r{display:flex;align-items:center;gap:12px}
.hd-cta{padding:10px 22px;font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;border-radius:2px;background:var(--pink-deep);transition:.25s}

/* ===== 英雄区 ===== */
.hero{background:radial-gradient(760px 500px at 85% -10%,#ffe1ec,transparent 60%),radial-gradient(600px 420px at 0% 100%,#fff0f5,transparent 55%),linear-gradient(180deg,#fff6f8,#ffedf2);padding:126px 0 110px;overflow:hidden}
.hearts-bg i{position:absolute;opacity:.5;pointer-events:none;animation:floaty 6s ease-in-out infinite}
.hearts-bg i:before{content:"";display:block;width:100%;height:100%;background:var(--pink);-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 21s-8-5.2-8-11a5 5 0 0 1 8-4 5 5 0 0 1 8 4c0 5.8-8 11-8 11z'/></svg>") center/contain no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 21s-8-5.2-8-11a5 5 0 0 1 8-4 5 5 0 0 1 8 4c0 5.8-8 11-8 11z'/></svg>") center/contain no-repeat}
.h1{width:34px;height:34px;top:18%;left:7%;animation-delay:.2s}
.h2{width:20px;height:20px;top:30%;left:46%;animation-delay:1.1s}
.h3{width:26px;height:26px;top:12%;right:20%;animation-delay:.6s}
.h4{width:18px;height:18px;bottom:22%;left:14%;animation-delay:1.6s}
.h5{width:40px;height:40px;bottom:12%;right:9%;animation-delay:2s;opacity:.35!important}
.h6{width:16px;height:16px;top:52%;left:2%;animation-delay:2.5s}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-16px) rotate(8deg)}}
.hero-in{display:flex;align-items:center;gap:60px;position:relative;z-index:2}
.hero-l{flex:1;min-width:0}
.letter-kicker{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--pink-deep);font-size:12px;font-weight:800;letter-spacing:2.5px;padding:7px 16px;border-radius:999px;box-shadow:var(--shadow-2);margin-bottom:22px}
.letter-kicker svg{fill:var(--pink)}
.hero-l h1{font-size:72px;font-weight:900;line-height:1;color:var(--pink-d2);letter-spacing:1px}
.hero-hand{font-family:"Kaitin","STKaiti","Songti SC",serif;font-size:30px;font-weight:700;color:var(--cocoa);line-height:1.6;margin:16px 0 20px}
.lead{font-size:15.5px;color:#8a6673;max-width:540px;margin-bottom:30px}
.hero-acts{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.btn-seal svg{fill:#fff}
.hero-points{display:flex;gap:24px;flex-wrap:wrap}
.hero-points li{font-size:13.5px;color:#a37686}
.hero-points b{color:var(--pink-deep)}
/* 右侧手机手账卡 */
.hero-r{position:relative;width:380px;flex:none}
.hero-shot{background:#fff;padding:14px 14px 46px;border-radius:22px;box-shadow:var(--shadow);transform:rotate(2.5deg)}
.hero-shot img{width:100%;border-radius:14px}
.tape{position:absolute;display:block;width:110px;height:30px;background:rgba(255,170,199,.55);box-shadow:0 2px 6px rgba(214,77,124,.18)}
.tape-a{top:-14px;left:50%;margin-left:-55px;transform:rotate(-4deg)}
.sticky{position:absolute;background:#fff;box-shadow:var(--shadow-2);border-radius:12px;font-size:13px;font-weight:700}
.s-a{display:flex;align-items:center;gap:6px;top:30px;left:-34px;padding:9px 14px;color:var(--pink-deep);transform:rotate(-6deg)}
.s-a svg{fill:var(--pink)}
.s-b{right:-30px;bottom:60px;padding:12px 15px;line-height:1.6;color:#835b67;font-weight:600;background:#fff8fb;transform:rotate(4deg)}

/* ===== 邮票数据条 ===== */
.stamp-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:-52px;position:relative;z-index:10}
.stamp{background:#fff;text-align:center;padding:26px 14px 22px;position:relative;box-shadow:var(--shadow-2);border-radius:6px}
.stamp:before,.stamp:after{content:"";position:absolute;left:0;right:0;height:10px;background:radial-gradient(circle at 5px -1px,transparent 4px,var(--cream) 4.5px) repeat-x;background-size:10px 10px}
.stamp:before{top:-1px;background-position:0 0;transform:rotate(180deg)}
.stamp:after{bottom:-1px}
.stamp b{display:block;font-size:33px;font-weight:900;color:var(--pink-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.stamp span{font-size:13.5px;color:var(--cocoa-2)}

/* 区块头 */
.sec-head{text-align:center;max-width:680px;margin:0 auto 50px}
.sec-head.left{text-align:left;margin:0 0 34px}
.sec-kick{font-size:12.5px;font-weight:800;letter-spacing:4px;color:var(--pink);margin-bottom:12px}
.sec-head h2{font-size:31px;font-weight:900;line-height:1.4}
.sec-sub{margin-top:12px;font-size:15px;color:var(--cocoa-2)}

/* ===== 心动四功能 ===== */
.hearts{padding:92px 0 84px}
.heart-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.hcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 24px 28px;box-shadow:var(--shadow-2);transition:transform .25s,box-shadow .25s;position:relative}
.hcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.tape-m{position:absolute;top:-11px;left:24px;width:74px;height:24px;background:rgba(255,184,207,.6);transform:rotate(-5deg);border-left:1px dashed rgba(255,255,255,.7);border-right:1px dashed rgba(255,255,255,.7)}
.tape-m-b{left:auto;right:22px;transform:rotate(6deg);background:rgba(255,210,160,.6)}
.h-ic{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;border-radius:50%;background:var(--pink-soft);margin-bottom:17px}
.h-ic svg{fill:var(--pink-deep)}
.h-ic svg[stroke]{fill:none;stroke:var(--pink-deep)}
.hcard h3{font-size:19px;margin-bottom:10px}
.hcard p{font-size:14px;color:var(--cocoa-2)}

/* ===== 明信片 ===== */
.cards{padding:86px 0 90px;background:linear-gradient(180deg,var(--cream),#fff2f6)}
.pc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:stretch}
.pc{position:relative;border-radius:14px}
.pc-front{position:relative;z-index:2;background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 20px 24px;min-height:236px;display:flex;flex-direction:column;box-shadow:var(--shadow-2);transition:transform .25s,box-shadow .25s}
.pc:hover .pc-front{transform:translateY(-6px) rotate(0)!important;box-shadow:var(--shadow);z-index:5}
.pc-back{position:absolute;inset:8px -8px -8px 8px;background:repeating-linear-gradient(0deg,#ffeef3 0 22px,#ffdfe9 22px 23px);border:1px solid var(--line);border-radius:14px;z-index:1}
.pc:nth-child(odd) .pc-front{transform:rotate(-1.6deg)}
.pc:nth-child(even) .pc-front{transform:rotate(1.8deg)}
.stamp-mini{position:absolute;top:16px;right:16px;width:34px;height:42px;background:linear-gradient(135deg,#ffb6cc,#ff85a8);border:2px dashed #fff;border-radius:3px}
.postmark{display:inline-block;align-self:flex-start;font-size:10px;font-weight:800;letter-spacing:2px;color:var(--gold);border:1.5px solid var(--gold);border-radius:6px;padding:3px 9px;margin-bottom:14px}
.pc-front h3{font-size:22px;margin-bottom:4px}
.pc-front h3 small{display:block;font-size:12.5px;color:var(--cocoa-2);font-weight:600;margin-top:4px}
.pc-tag{font-size:12.5px;color:var(--pink-deep);font-weight:700;margin-bottom:12px}
.pc-line{font-family:"Kaitin","STKaiti","Songti SC",serif;font-size:16.5px;color:#6e4d59;line-height:1.8}
.pc-wide{grid-column:span 2}
.pc-wide .pc-front{background:linear-gradient(135deg,#fff,#fff5f8);min-height:0;padding:30px 32px}
.pc-quote{font-size:18px;margin:8px 0 18px}
.pc-more{background:linear-gradient(135deg,#ffe3ec,#ffd0df);border:1px dashed var(--pink);border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px}
.pc-more b{font-size:26px;color:var(--pink-d2)}
.pc-more p{font-size:13.5px;color:#a37686}

/* ===== 情书对话区 ===== */
.letter-chat{background:linear-gradient(160deg,#ffd9e6,#ffbdd2);padding:90px 0 94px}
.lc-in{display:flex;align-items:center;gap:60px}
.lc-shot{flex:none;width:330px;text-align:center}
.lc-shot img{border-radius:24px;border:6px solid #fff;box-shadow:var(--shadow);margin:0 auto}
.lc-shot figcaption{margin-top:14px;color:var(--pink-d2);font-size:14px;font-weight:700}
.lc-body{flex:1;min-width:0}
.lc-body .sec-kick{color:#c83466}
.lc-body h2{font-size:29px;margin-bottom:24px}
.letter-paper{background:#fffdf9;border-radius:14px;padding:28px 28px 22px;box-shadow:var(--shadow);background-image:repeating-linear-gradient(0deg,transparent 0 33px,rgba(232,77,124,.10) 33px 34px)}
.lp-row{display:flex;gap:12px;margin-bottom:16px}
.lp-row.me{justify-content:flex-end}
.lp-ava{flex:none;width:40px;height:40px;border-radius:50%}
.a1{background:linear-gradient(135deg,#8a6a4f,#3a2c24)}
.a2{background:linear-gradient(135deg,#ffd3a0,#e8a36c)}
.lp-row b{font-size:13px;color:var(--pink-d2)}
.lp-row p{font-size:14.5px;color:#6e4d59;background:var(--pink-soft);border-radius:12px;padding:10px 15px;margin-top:3px;max-width:420px}
.lp-row.me p{background:linear-gradient(135deg,#ff9bba,#f4749b);color:#fff;text-align:right}
.lp-sign{font-family:"Kaitin","STKaiti",serif;font-size:13.5px;color:#b38595;text-align:right;margin-top:6px}
.lc-tags{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.lc-tags li{font-size:13px;color:#a63761;background:rgba(255,255,255,.7);border-radius:999px;padding:6px 16px;font-weight:600}

/* ===== 自定义TA ===== */
.custom{padding:92px 0 88px}
.cu-in{display:flex;align-items:center;gap:64px}
.cu-body{flex:1;min-width:0}
.cu-list li{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 22px;margin-bottom:14px;box-shadow:var(--shadow-2)}
.cu-list li b{flex:none;display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--pink-soft);color:var(--pink-d2);font-size:14px}
.cu-list li b:before{counter-increment:step;content:counter(step)}
.cu-list{counter-reset:step}
.cu-txt{flex:1;min-width:0}
.cu-txt strong{display:block;font-size:15.5px;color:var(--cocoa);margin-bottom:3px}
.cu-txt span{display:block;font-size:14px;color:var(--cocoa-2)}
.cu-shot{flex:none;width:300px;position:relative}
.tape-c{position:absolute;top:-13px;left:50%;margin-left:-55px;width:110px;height:28px;background:rgba(255,170,199,.6);transform:rotate(-3deg);z-index:2}
.cu-shot img{background:#fff;padding:12px;border-radius:20px;box-shadow:var(--shadow);transform:rotate(-2deg)}

/* ===== 手账拼贴 ===== */
.shots{padding:88px 0 92px;background:linear-gradient(180deg,#fff2f6,var(--cream))}
.scrap{display:grid;grid-template-columns:repeat(4,1fr);gap:26px 22px;align-items:start}
.sc{background:#fff;padding:12px 12px 15px;border-radius:8px;box-shadow:var(--shadow-2);transition:transform .25s}
.sc:hover{transform:rotate(0) translateY(-8px) scale(1.03)!important;z-index:5}
.sc-1{transform:rotate(-2deg);margin-top:18px}
.sc-2{transform:rotate(1.6deg)}
.sc-3{transform:rotate(-1.2deg);margin-top:30px}
.sc-4{transform:rotate(2.3deg)}
.sc img{width:100%;border-radius:5px;aspect-ratio:9/16;object-fit:cover;background:#fbe9ef}
.sc figcaption{text-align:center;font-size:13px;font-weight:700;color:#a37686;padding-top:10px;font-family:"Kaitin","STKaiti",serif}

/* ===== 信封FAQ ===== */
.faq{padding:90px 0 92px}
.faq-in{max-width:840px;margin:0 auto}
.env-list{margin-top:8px}
.env-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:16px;box-shadow:var(--shadow-2);overflow:hidden}
.env-q{width:100%;display:flex;align-items:center;gap:14px;background:none;border:0;cursor:pointer;text-align:left;padding:0 22px;height:68px;font-family:inherit}
.env-flap{position:relative;flex:none;width:30px;height:22px;background:var(--pink-soft);clip-path:polygon(0 0,50% 78%,100% 0);transition:transform .35s}
.env-item.open .env-flap{transform:rotateX(180deg);background:var(--blush)}
.env-txt{flex:1;font-size:16px;font-weight:800;color:var(--cocoa)}
.env-heart{flex:none;width:18px;height:18px;background:var(--pink);-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 21s-8-5.2-8-11a5 5 0 0 1 8-4 5 5 0 0 1 8 4c0 5.8-8 11-8 11z'/></svg>") center/contain no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 21s-8-5.2-8-11a5 5 0 0 1 8-4 5 5 0 0 1 8 4c0 5.8-8 11-8 11z'/></svg>") center/contain no-repeat;transition:transform .3s}
.env-item.open .env-heart{transform:scale(1.25) rotate(8deg)}
.env-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.env-a p{padding:0 24px 22px 66px;font-size:14.5px;color:var(--cocoa-2)}

/* ===== 心动时间轴 ===== */
.timeline-sec{padding:88px 0 94px;background:linear-gradient(180deg,var(--cream),#fff0f5)}
.timeline{position:relative;max-width:920px;margin:0 auto;padding:10px 0}
.timeline:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:3px;margin-left:-1.5px;border-radius:2px;background:linear-gradient(180deg,var(--blush),var(--pink),var(--blush))}
.tl{position:relative;width:50%;margin-bottom:26px}
.tl-l{left:0;padding-right:44px}
.tl-r{left:50%;padding-left:44px}
.tl-dot{position:absolute;top:26px;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--pink);box-shadow:0 0 0 5px rgba(255,122,162,.18)}
.tl-l .tl-dot{right:-9px}
.tl-r .tl-dot{left:-9px}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;box-shadow:var(--shadow-2);position:relative}
.tl-l .tl-card{border-radius:16px 16px 16px 4px}
.tl-r .tl-card{border-radius:16px 16px 4px 16px}
.tl-card p{font-size:14.5px;color:#6e4d59}
.tl-card footer{margin-top:12px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.tl-card footer b{font-size:13px;color:var(--pink-d2)}
.tl-card time{font-size:12.5px;color:var(--cocoa-2)}

/* ===== 航空信下载区 ===== */
.reply{padding:92px 0 96px}
.reply-card{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.air-edge{height:16px;background:repeating-linear-gradient(135deg,#7fb7e8 0 14px,#fff 14px 28px,#e8658f 28px 42px,#fff 42px 56px)}
.reply-body{padding:52px 48px 50px;text-align:center}
.reply-kicker{font-size:12px;font-weight:800;letter-spacing:3px;color:var(--pink);margin-bottom:16px}
.reply-body h2{font-size:30px;line-height:1.5;margin-bottom:14px;font-family:"Kaitin","STKaiti","Songti SC",serif}
.reply-body>p{color:var(--cocoa-2);font-size:15px;margin-bottom:30px}
.reply-acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.reply-meta{font-size:13px;color:#bd98a5}
.wax{position:absolute;right:34px;bottom:30px;width:60px;height:60px;border-radius:50%;background:radial-gradient(circle at 36% 30%,#ff8aa8,var(--pink-d2) 72%);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(214,57,106,.4),inset 0 -3px 8px rgba(120,20,55,.35)}

/* ===== 页脚 ===== */
.ft{background:#3e2a33;color:#cdaebb;padding:44px 0 34px}
.ft-in{display:grid;grid-template-columns:auto 1fr auto;gap:24px 30px;align-items:center}
.ft-brand{display:flex;align-items:center;gap:10px}
.ft-brand img{border-radius:10px}
.ft-brand strong{color:#ffe3ec;font-size:17px}
.ft-brand span{font-size:12px;color:#a68795}
.ft-nav{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
.ft-nav a{font-size:14px;color:#d3b4c0;transition:.2s}
.ft-nav a:hover{color:#ffb3cb}
.ft-complaint{justify-self:end}
.complaint-entry{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:#e0c3cd;border:1px solid rgba(255,122,162,.4);border-radius:999px;padding:8px 18px;transition:.2s}
.complaint-entry:hover{color:#fff;border-color:var(--pink);background:rgba(255,122,162,.15)}
.ft-copy{grid-column:1/-1;text-align:center;font-size:12.5px;color:#9d7e8c}
.ft-copy p{margin:3px 0}
.ft-copy a{color:#c3a1ae}

/* 右侧浮动投诉 */
.float-complaint{position:fixed;right:24px;bottom:220px;z-index:60;display:flex;flex-direction:column;align-items:center;gap:5px;width:62px;padding:9px 4px;border-radius:16px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid rgba(255,122,162,.6);color:var(--pink-deep);font-size:11px;font-weight:600;box-shadow:0 10px 26px rgba(214,77,124,.25);transition:.25s}
.float-complaint:hover{background:var(--pink-deep);color:#fff;border-color:transparent;transform:translateY(-3px)}
/* 返回顶部 */
.backtop{position:fixed;right:28px;bottom:160px;width:46px;height:46px;border-radius:50%;border:2px solid #fff;background:linear-gradient(135deg,#ff93b5,#e84d7c);cursor:pointer;opacity:0;visibility:hidden;transition:.3s;z-index:60;box-shadow:0 10px 24px rgba(214,77,124,.4)}
.backtop.show{opacity:1;visibility:visible}
.backtop:before{content:"";position:absolute;left:16px;top:18px;width:11px;height:11px;border-left:2.5px solid #fff;border-top:2.5px solid #fff;transform:rotate(45deg)}
.backtop:hover{transform:translateY(-3px)}

/* 入场 */
.rv{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* ===== 移动端 ===== */
@media(max-width:768px){
  .wrap{padding:0 18px}
  .hd-cta{display:none}
  .burger{display:flex}
  .nav{position:fixed;top:66px;left:0;right:0;flex-direction:column;background:rgba(255,248,246,.98);padding:14px 22px 22px;gap:4px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s;visibility:hidden}
  .nav.open{transform:none;visibility:visible}
  .nav a{padding:12px 8px;font-size:16px}
  .hero{padding:104px 0 90px}
  .hero-in{flex-direction:column;gap:54px}
  .hero-l h1{font-size:52px}
  .hero-hand{font-size:24px}
  .lead{font-size:14.5px}
  .hero-r{width:248px;margin:0 auto}
  .s-a{left:-26px}
  .s-b{right:-22px}
  .stamp-strip{grid-template-columns:1fr 1fr;gap:16px 14px;margin-top:-40px}
  .stamp b{font-size:26px}
  .sec-head h2{font-size:23px}
  .sec-head.left{text-align:center}
  .sec-head{margin-bottom:36px}
  .hearts,.cards,.letter-chat,.custom,.shots,.faq,.timeline-sec,.reply{padding:64px 0}
  .heart-grid{grid-template-columns:1fr;gap:18px}
  .pc-grid{grid-template-columns:1fr 1fr;gap:18px}
  .pc-wide{grid-column:1/-1}
  .pc-front{min-height:0;padding:20px 16px}
  .pc-line{font-size:15px}
  .lc-in{flex-direction:column;gap:40px}
  .lc-shot{width:250px}
  .lc-body h2{font-size:23px}
  .cu-in{flex-direction:column;gap:44px}
  .cu-shot{width:240px}
  .cu-list li{padding:16px 18px}
  .scrap{display:flex;overflow-x:auto;gap:18px;padding:4px 4px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
  .sc{flex:none;width:172px;scroll-snap-align:start;margin-top:0!important}
  .sc-1,.sc-2,.sc-3,.sc-4{transform:none}
  .env-q{padding:0 16px;height:auto;min-height:64px}
  .env-a p{padding:0 18px 20px 18px}
  .timeline:before{left:9px}
  .tl,.tl-l,.tl-r{width:100%;left:0;padding:0 0 0 38px}
  .tl-l .tl-dot,.tl-r .tl-dot{left:0;right:auto}
  .reply-body{padding:40px 24px 46px}
  .reply-body h2{font-size:23px}
  .wax{width:46px;height:46px;right:18px;bottom:16px}
  .ft-in{grid-template-columns:1fr;text-align:center;justify-items:center}
  .ft-brand,.ft-nav,.ft-complaint{grid-column:1}
  .ft-nav{justify-content:center}
  .backtop{bottom:150px;right:22px;width:42px;height:42px}
  .backtop:before{left:14px;top:17px}
  .float-complaint{right:18px;bottom:204px;width:56px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .hearts-bg i{animation:none}
}