:root{
  --yellow:#F5D547;
  --ink:#1A1A1A;
  --brown:#4A3728;
  --paper:#FAF6EC;
  --berry:#C0405A;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.6;
}
a{color:inherit;text-decoration:none}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:var(--ink);color:var(--yellow)}
.nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--yellow)}
.brand .paw{font-size:22px}
.bn{letter-spacing:2px}
.menu{display:flex;gap:22px;font-size:15px}
.menu a{color:var(--paper);opacity:.85}
.menu a:hover{opacity:1;color:var(--yellow)}

/* HERO 顶部动画小条 */
.hero-anim{position:relative;background:var(--yellow);overflow:hidden;padding:36px 0 28px}
.ha-stage{width:100%;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:45% 55%;align-items:center;padding:0 6vh}
.ha-left{padding-right:5vh;border-right:2px solid rgba(26,26,26,.12);text-align:center;display:flex;flex-direction:column;align-items:center;opacity:0;animation:ha-left-in .5s ease-out 1s forwards}
@keyframes ha-left-in{
  0%{opacity:0;transform:translateX(-100vw)}
  100%{opacity:1;transform:translateX(0)}
}
.ha-paw{width:108px;height:108px;margin:0 auto 14px}
.ha-paw svg{width:100%;height:100%}
.ha-paw .ha-pad{transform-origin:center;opacity:0;animation:ha-pop .55s cubic-bezier(.34,1.56,.64,1) forwards}
.ha-pad1{animation-delay:.1s}
.ha-pad2{animation-delay:.2s}
.ha-pad3{animation-delay:.3s}
.ha-pad4{animation-delay:.4s}
.ha-pad5{animation-delay:.55s}
@keyframes ha-pop{0%{opacity:0;transform:scale(0)}70%{opacity:1;transform:scale(1.2)}100%{opacity:1;transform:scale(1)}}

.ha-brand-top{font-size:1.8vh;font-weight:500;letter-spacing:0.3vh;color:var(--brown);margin-bottom:2vh;opacity:0;animation:ha-fadeup .5s ease-out .5s forwards}
.ha-brand-bottom{font-size:2.4vh;font-weight:700;letter-spacing:0.8vh;margin-top:2vh;opacity:0;animation:ha-fadeup .5s ease-out 1.6s forwards}

.ha-logo{text-align:center;margin-top:0;display:flex;flex-direction:column;align-items:center}
.ha-line1{font-size:6.2vh;font-weight:400;line-height:1;width:54vh;text-align:center;opacity:0;animation:ha-fly .6s cubic-bezier(.34,1.56,.64,1) forwards;animation-delay:.75s;display:flex;justify-content:center;align-items:baseline}
.ha-line1 .ha-s{margin-right:3.8vh}
.ha-line1 .ha-hare{letter-spacing:0.6vh}
.ha-line1 .ha-d{margin-left:3.8vh}
@keyframes ha-fly{0%{opacity:0;transform:translateY(-30px)}70%{transform:translateY(6px)}100%{opacity:1;transform:translateY(0)}}

/* NOTES 拆字母：N 迟到 + 碰 O + 弹回 */
.ha-notes{font-size:9.8vh;font-weight:800;letter-spacing:0.4vh;margin-top:1.2vh;line-height:0.9;width:54vh;text-align:center;display:flex;justify-content:center;gap:0.2vh}
.ha-notes span{display:inline-block;opacity:0}
/* O/T/E/S 1.5s后开始，0.1s间隔 */
.ha-o{animation:ha-letter .5s ease-out forwards;animation-delay:1.6s}
.ha-t{animation:ha-letter .5s ease-out forwards;animation-delay:1.7s}
.ha-e{animation:ha-letter .5s ease-out forwards;animation-delay:1.8s}
.ha-s2{animation:ha-letter .5s ease-out forwards;animation-delay:1.9s}
/* N 最慢：1.5s开始，2.5s时长，~3.5s碰到O，~4s弹回 */
.ha-n{animation:ha-n-late 2.5s cubic-bezier(.34,1.6,.64,1) forwards;animation-delay:1.5s}
@keyframes ha-letter{
  0%{opacity:0;transform:translateX(-60px)}
  60%{opacity:1;transform:translateX(8px)}
  100%{opacity:1;transform:translateX(0)}
}
@keyframes ha-n-late{
  0%{opacity:0;transform:translateX(-120px)}
  80%{opacity:1;transform:translateX(18px)} /* ~3.5s 碰到 O */
  100%{opacity:1;transform:translateX(0)} /* ~4s 弹回归位 */
}
@keyframes ha-drop{0%{opacity:0;transform:scale(.4) rotate(-10deg) translateY(-30px)}60%{opacity:1;transform:scale(1.15) rotate(2deg) translateY(8px)}80%{transform:scale(.97) rotate(-1deg) translateY(-3px)}100%{opacity:1;transform:scale(1) rotate(0) translateY(0)}}
.ha-cn{font-size:2.4vh;font-weight:700;margin-top:1vh;opacity:0;animation:ha-fadeup .5s ease-out 2s forwards}
.ha-slogan{font-size:1.7vh;color:var(--brown);font-style:italic;margin-top:.6vh;opacity:0;animation:ha-fadeup .5s ease-out 2.15s forwards}
.ha-cta{margin-top:16px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;opacity:0;animation:ha-fadeup .5s ease-out 2.3s forwards}
@keyframes ha-fadeup{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}

.ha-right{padding-left:3vh}
.ha-item{display:flex;align-items:center;gap:14px;margin-bottom:1.4vh;opacity:0;transform:translateX(60px);animation:ha-slide .5s cubic-bezier(.34,1.4,.64,1) forwards}
.ha-item:nth-child(1){animation-delay:1.8s}.ha-item:nth-child(2){animation-delay:1.95s}.ha-item:nth-child(3){animation-delay:2.1s}.ha-item:nth-child(4){animation-delay:2.25s}
.ha-num{width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--yellow);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}
@keyframes ha-slide{to{opacity:1;transform:translateX(0)}}
.ha-ti{font-size:2vh;font-weight:700;line-height:1.2}
.ha-fo{font-size:1.7vh;color:var(--brown);margin-top:2px}
.ha-re{font-size:1.5vh;margin-top:2px}
.ha-foot{margin-top:2vh;padding-top:1.5vh;border-top:2px solid rgba(26,26,26,.12);opacity:0;animation:ha-fadeup .6s ease-out 2.6s forwards}
.ha-foot-main{font-size:2vh;font-weight:700}
.ha-foot-sub{font-size:1.5vh;color:var(--brown);margin-top:4px}
.ha-replay{position:fixed;top:70px;right:20px;z-index:60;font-size:13px;color:var(--brown);background:rgba(255,255,255,.6);padding:6px 12px;border-radius:20px;cursor:pointer}

/* 手绘酒杯（粉笔/蜡笔风） */
.wine-icon{width:1.3em;height:1.3em;vertical-align:middle;margin-left:0.1em;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;transform:rotate(-3deg)}

/* 情感载体文案 */
.ha-quote{font-size:1.6vh;font-weight:500;line-height:1.6;color:var(--brown);margin-top:2vh;max-width:46vh;opacity:0;animation:ha-fadeup .6s ease-out 2.4s forwards}

/* 海报横条 */
.poster-strip{padding:0;background:var(--yellow)}
.poster-wide{display:block;width:100%;height:auto}

/* 通用标题 */
.sec-title{font-size:32px;font-weight:800;text-align:center;margin-bottom:10px}
/* 产品标题入场→停留→出场→循环（约10秒） */
#titleAnim{
  animation: titleCycle 10s ease-in-out infinite;
  will-change: opacity, transform;
}
@keyframes titleCycle{
  0%   { opacity:0; transform:translateY(28px); }
  8%   { opacity:1; transform:translateY(0); }
  90%  { opacity:1; transform:translateY(0); }
  100% { opacity:0; transform:translateY(-18px); }
}
/* 尊重无障碍：减少动画时改为静态显示 */
@media (prefers-reduced-motion: reduce){
  #titleAnim{ animation:none; opacity:1; transform:none; }
}
.sub{text-align:center;color:var(--brown);margin-bottom:28px}

/* 品牌故事 */
.story{padding:70px 20px;background:var(--paper)}
.layers{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.layer{background:#fff;border-radius:16px;padding:24px 18px;text-align:center;box-shadow:0 4px 18px rgba(0,0,0,.06)}
.layer .ln{display:inline-flex;width:30px;height:30px;background:var(--ink);color:var(--yellow);border-radius:50%;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-bottom:10px}
.layer h3{font-size:19px;margin-bottom:8px}
.layer .formula{color:var(--brown);font-size:14px;font-weight:600;margin-bottom:6px}
.layer p:last-child{font-size:14px}
.story-foot{text-align:center;font-size:20px;font-weight:700;margin-top:40px}

/* 轮播相册 */
.carousel-section{margin-top:50px;overflow:hidden}
.carousel-container{width:100%;overflow:hidden}
.carousel-track{display:flex;gap:20px;animation:carousel-scroll 30s linear infinite}
.carousel-slide{flex-shrink:0;width:300px;height:400px;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.carousel-slide img{width:100%;height:100%;object-fit:cover}
@keyframes carousel-scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* 产品 */
.products{padding:70px 20px;background:#fff}
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.chip{background:var(--paper);border:1px solid #e3dcc8;padding:8px 18px;border-radius:20px;font-size:14px;cursor:pointer;color:var(--brown)}
.chip.active{background:var(--ink);color:var(--yellow);border-color:var(--ink)}
.grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.card{background:var(--paper);border-radius:14px;overflow:hidden;box-shadow:0 3px 14px rgba(0,0,0,.07);transition:.2s;cursor:pointer}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.card .thumb{aspect-ratio:1/1;background:var(--yellow);display:flex;align-items:center;justify-content:center;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb .ph{font-size:40px}
.card .info{padding:14px}
.card .pname{font-size:15px;font-weight:600;line-height:1.35;min-height:42px}
.card .meta{font-size:13px;color:var(--brown);margin-top:6px}
.card .price{margin-top:8px;font-weight:700;color:var(--berry);font-size:16px}
.card .price small{color:var(--brown);font-weight:400;font-size:12px}

/* 购买 */
.buy{padding:70px 20px;background:var(--yellow)}
.buy-cards{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.buy-card{background:#fff;border-radius:16px;padding:28px;text-align:center}
.buy-card h3{font-size:20px;margin-bottom:10px}
.buy-card p{color:var(--brown);font-size:14px;margin-bottom:16px}

/* 主播招募 */
.join{padding:70px 20px;background:var(--ink);color:var(--paper)}
.join .sec-title{color:var(--yellow)}
.join-body{max-width:760px;margin:0 auto;font-size:16px}
.join-body ul{margin:18px 0;padding-left:20px}
.join-body li{margin-bottom:10px}
.join-body strong{color:var(--yellow)}
.join-foot{margin:18px 0;font-weight:600;color:#fff}
.join .btn{background:var(--yellow);color:var(--ink)}

/* 页脚 */
.foot{max-width:1100px;margin:0 auto;padding:30px 20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--brown);font-size:14px}

@media(max-width:860px){
  .layers{grid-template-columns:repeat(2,1fr)}
  .buy-cards{grid-template-columns:1fr}
  .ha-stage{grid-template-columns:1fr;padding:0 4vh}
  .ha-left{border-right:none;border-bottom:2px solid rgba(26,26,26,.12);padding-right:0;padding-bottom:2.4vh}
  .ha-right{padding-left:0;margin-top:2.4vh}
}

/* 品牌解析4层灵动动画：错开入场+高亮脉冲，10秒循环 */
#layerAnim .layer{
  opacity:0;
  transform:translateX(-40px);
  animation: layerCycle 10s ease-out infinite;
}
#layerAnim .layer-1{ animation-delay:0s; }
#layerAnim .layer-2{ animation-delay:0.4s; }
#layerAnim .layer-3{ animation-delay:0.8s; }
#layerAnim .layer-4{ animation-delay:1.2s; }

@keyframes layerCycle{
  /* 入场阶段（弹性回弹） */
  0%   { opacity:0; transform:translateX(-40px) scale(0.9); }
  6%   { opacity:1; transform:translateX(8px) scale(1.02); }
  10%  { transform:translateX(0) scale(1); }
  /* 高亮脉冲 */
  12%  { filter:brightness(1.3); text-shadow:0 0 12px rgba(245,213,71,0.6); }
  16%  { filter:brightness(1); text-shadow:none; }
  /* 停留 */
  85%  { opacity:1; transform:translateX(0); }
  /* 出场 */
  92%  { opacity:0.3; transform:translateX(20px) scale(0.95); }
  100% { opacity:0; transform:translateX(40px) scale(0.9); }
}

/* 序号圆圈单独脉冲 */
#layerAnim .ln{
  animation: lnPulse 10s ease-out infinite;
}
#layerAnim .layer-1 .ln{ animation-delay:0s; }
#layerAnim .layer-2 .ln{ animation-delay:0.4s; }
#layerAnim .layer-3 .ln{ animation-delay:0.8s; }
#layerAnim .layer-4 .ln{ animation-delay:1.2s; }

@keyframes lnPulse{
  0%,10%  { transform:scale(1); box-shadow:0 0 0 rgba(26,26,26,0); }
  14%     { transform:scale(1.25); box-shadow:0 0 0 6px rgba(26,26,26,0.15); }
  18%,85%{ transform:scale(1); box-shadow:0 0 0 rgba(26,26,26,0); }
  92%     { transform:scale(0.85); }
  100%    { transform:scale(1); }
}

/* 尊重无障碍：减少动画时改为静态显示 */
@media (prefers-reduced-motion: reduce){
  #layerAnim .layer,
  #layerAnim .ln{ animation:none; opacity:1; transform:none; filter:none; }
}